JP2011015538A5 - - Google Patents
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- JP2011015538A5 JP2011015538A5 JP2009157773A JP2009157773A JP2011015538A5 JP 2011015538 A5 JP2011015538 A5 JP 2011015538A5 JP 2009157773 A JP2009157773 A JP 2009157773A JP 2009157773 A JP2009157773 A JP 2009157773A JP 2011015538 A5 JP2011015538 A5 JP 2011015538A5
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Claims (15)
前記直列接続された複数の電池セルの中の最も電位の低い電池セルのマイナス側に接続され基準電位が出力される電池側マイナス端子と、
前記複数の電池セルの中で前記基準電位に対し最も電位の高い第1の電池セルのプラス側に接続され第1の電位が出力される第１のプラス端子と、
前記複数の電池セルの中で前記第1の電池セル以外の第２の電池セルのプラス側に接続され第２の電位が出力される第２のプラス端子と、
を有することを特徴とする電池パック。 A plurality of battery cells connected in series;
A battery-side negative terminal connected to the negative side of the battery cell having the lowest potential among the plurality of battery cells connected in series and outputting a reference potential;
A first positive terminal connected to the positive side of the first battery cell having the highest potential with respect to the reference potential among the plurality of battery cells and outputting a first potential;
A second positive terminal connected to the positive side of a second battery cell other than the first battery cell among the plurality of battery cells and outputting a second potential;
A battery pack comprising:
前記電池組のプラス側に接続された第1の端子と、
前記電池組のマイナス側端子に接続された第２の端子と、
前記電池組のうち前記第1の端子及び前記第２の端子とは異なる位置に接続された第３の端子を備え、
前記第1の端子と前記第３の端子とで第1の端子対を形成するとともに、前記第２の端子と前記第３の端子とで第２の端子対を形成し、前記第1の端子対で発生する電圧と前記第２の端子対で発生する電圧とが異なる電圧に設定されていることを特徴とする電池パック。 A battery set comprising a plurality of battery cells connected in series;
A first terminal connected to the positive side of the battery set;
A second terminal connected to the negative terminal of the battery set;
A third terminal connected to a position different from the first terminal and the second terminal in the battery set;
The first terminal and the third terminal form a first terminal pair, and the second terminal and the third terminal form a second terminal pair, and the first terminal The battery pack, wherein the voltage generated in the pair and the voltage generated in the second terminal pair are set to different voltages.
前記電池パックは、
前記直列接続された複数の電池セルの中の最も電位の低い電池セルのマイナス側に接続され基準電位が出力される電池側マイナス端子と、
前記複数の電池セルの中で前記基準電位に対し最も電位の高い第1の電池セルのプラス側に接続され第1の電位が出力される第１のプラス端子と、
前記複数の電池セルの中で前記第1の電池セル以外の第２の電池セルのプラス側に接続され第２の電位が出力される第２のプラス端子と、
を有し、
前記工具本体は、
前記コードレス電動工具が適正に駆動する駆動電圧に相当する電位が出力される前記第１のプラス端子または前記第２のプラス端子のいずれかに対応する第３のプラス端子と、
前記電池側マイナス端子と接続される工具側マイナス端子と、
を有し、
前記工具本体の前記第３のプラス端子と前記電池パックの前記第１のプラス端子または前記第２のプラス端子とが前記駆動電圧に応じて接続され、前記工具側マイナス端子と前記電池側マイナス端子とが接続されることにより使用されることを特徴とする電動工具。 A power tool comprising a battery pack in which a plurality of battery cells as drive sources are connected in series and a tool body to which the battery pack is mounted,
The battery pack is
A battery-side negative terminal connected to the negative side of the battery cell having the lowest potential among the plurality of battery cells connected in series and outputting a reference potential;
A first positive terminal connected to the positive side of the first battery cell having the highest potential with respect to the reference potential among the plurality of battery cells and outputting a first potential;
A second positive terminal connected to the positive side of a second battery cell other than the first battery cell among the plurality of battery cells and outputting a second potential;
Have
The tool body is
A third plus terminal corresponding to either the first plus terminal or the second plus terminal from which a potential corresponding to a driving voltage for properly driving the cordless electric tool is output;
A tool side negative terminal connected to the battery side negative terminal;
Have
The third plus terminal of the tool body and the first plus terminal or the second plus terminal of the battery pack are connected according to the drive voltage, and the tool side minus terminal and the battery side minus terminal are connected. A power tool characterized by being used by being connected to each other.
前記電池パックは、
直列接続された複数の電池セルからなる電池組と、
前記電池組のプラス側に接続された第1の端子と、
前記電池組のマイナス側端子に接続された第２の端子と、
前記電池組のうち前記第1の端子及び前記第２の端子とは異なる位置に接続された第３の端子を備え、
前記第1の端子と前記第３の端子とで第1の端子対を形成するとともに、前記第２の端子と前記第３の端子とで第２の端子対を形成し、前記第1の端子対で発生する電圧と前記第２の端子対で発生する電圧とが異なる電圧に設定されており、
前記工具本体は、
前記第１の端子対または前記第２の端子対のいずれかに対応して接続される本体側端子対を有し、
前記本体側端子を介して前記電池パックから電力供給を受けることを特徴とする電動工具。 A power tool comprising a battery pack in which a plurality of battery cells as drive sources are connected in series and a tool body to which the battery pack is mounted,
The battery pack is
A battery set comprising a plurality of battery cells connected in series;
A first terminal connected to the positive side of the battery set;
A second terminal connected to the negative terminal of the battery set;
A third terminal connected to a position different from the first terminal and the second terminal in the battery set;
The first terminal and the third terminal form a first terminal pair, and the second terminal and the third terminal form a second terminal pair, and the first terminal The voltage generated at the pair and the voltage generated at the second terminal pair are set to different voltages,
The tool body is
A main body side terminal pair connected corresponding to either the first terminal pair or the second terminal pair;
An electric tool that receives power supply from the battery pack through the main body side terminal.
前記電池パックの前記第１のプラス端子に接続される第１のプラス充電端子と、
前記電池パックの前記第２のプラス端子に接続される第２のプラス充電端子と、
前記電池パックの前記電池側マイナス端子に接続される充電側マイナス端子と、
前記電池パックを充電する電力が出力される充電出力プラス端子および充電出力マイナス端子と、
前記充電出力プラス端子に前記第１のプラス充電端子または前記第２のプラス充電端子を接続させる第１の切替手段と、
前記第１の切替手段が、前記充電出力プラス端子と前記第１のプラス充電端子とを接続している場合には、前記充電用マイナス端子に前記第２のプラス充電端子を接続する第１の接続状態とし、前記第１の切替手段が、前記充電出力プラス端子と前記第２のプラス充電端子とを接続している場合には、前記充電用マイナス端子に前記充電側マイナス端子を接続する第２の接続状態とする第２の切替手段と、
を有することを特徴とする充電装置。 A charging device for charging the battery pack according to claim 1,
A first positive charging terminal connected to the first positive terminal of the battery pack;
A second positive charging terminal connected to the second positive terminal of the battery pack;
A charging side negative terminal connected to the battery side negative terminal of the battery pack;
A charge output plus terminal and a charge output minus terminal from which power for charging the battery pack is output; and
First switching means for connecting the first plus charge terminal or the second plus charge terminal to the charge output plus terminal;
When the first switching means connects the charging output plus terminal and the first plus charging terminal, the first switching means connects the second plus charging terminal to the charging minus terminal. In a connected state, when the first switching means connects the charge output plus terminal and the second plus charge terminal, the charge switching minus terminal is connected to the charging minus terminal. 2nd switching means which makes 2 connection states,
A charging device comprising:
前記第２のプラス端子と前記電池側マイナス端子との間に接続される前記電池セルのセルあたりの電圧を第２の電池電圧として検出する第２の電池電圧検出手段と、
をさらに有し、
前記電池パックを充電する際には、前記第１の接続状態において充電を行った後、前記第２の電池電圧が前記第１の電池電圧に達するまで前記第２の接続状態において充電を行うことを特徴とする請求項６に記載の充電装置。 First battery voltage detecting means for detecting a voltage per cell of the battery cells connected between the first plus terminal and the second plus terminal as a first battery voltage;
Second battery voltage detection means for detecting a voltage per cell of the battery cell connected between the second plus terminal and the battery side minus terminal as a second battery voltage;
Further comprising
When charging the battery pack, after charging in the first connection state, charging is performed in the second connection state until the second battery voltage reaches the first battery voltage. The charging device according to claim 6.
前記第２のプラス端子と前記電池側マイナス端子との間に接続される前記電池セルのセルあたりの電圧を第２の電池電圧として検出する第２の電池電圧検出手段と、
前記第１の電池電圧と前記第２の電池電圧とを比較し、より大きい方を特定する電池電圧比較手段と、
をさらに有し、
前記電池電圧比較手段が前記第１の電池電圧をより大きいと特定した場合には、前記第２の接続状態において前記第２の電池電圧が前記第１の電池電圧に達するまで充電を行った後、所定時間待機し、
前記電池電圧比較手段が前記第２の電池電圧をより大きいと特定した場合には、前記第１の接続状態において前記第１の電池電圧が前記第２の電池電圧に達するまで充電を行った後、所定時間待機し、
前記所定時間待機した後、前記第１の接続状態及び前記第２の接続状態のそれぞれにおいて充電を行うことを特徴とする請求項６に記載の充電装置。 First battery voltage detecting means for detecting a voltage per cell of the battery cells connected between the first plus terminal and the second plus terminal as a first battery voltage;
Second battery voltage detection means for detecting a voltage per cell of the battery cell connected between the second plus terminal and the battery side minus terminal as a second battery voltage;
A battery voltage comparing means for comparing the first battery voltage with the second battery voltage and specifying the larger one;
Further comprising
When the battery voltage comparison means specifies that the first battery voltage is higher, after charging until the second battery voltage reaches the first battery voltage in the second connection state , Wait for a predetermined time,
When the battery voltage comparison means specifies that the second battery voltage is higher, after charging until the first battery voltage reaches the second battery voltage in the first connection state , Wait for a predetermined time,
The charging device according to claim 6, wherein after waiting for the predetermined time, charging is performed in each of the first connection state and the second connection state.
前記未接続信号が出力された場合には、前記第２の接続状態において充電を行うことを特徴とする請求項６に記載の充電装置。 Battery connection terminal determination means for determining that the first plus terminal of the battery pack is not connected to the first charging terminal and outputting a non-connection signal;
The charging device according to claim 6, wherein when the unconnected signal is output, charging is performed in the second connection state.
前記電池パックの前記第１の端子に接続される第１の充電端子と、
前記電池パックの前記第２の端子に接続される第２の充電端子と、
前記電池パックの前記第３の端子に接続される第３の充電端子と、
前記電池パックを充電する電力が出力される充電出力プラス端子および充電出力マイナス端子と、
前記充電出力プラス端子に前記第１の充電端子または前記第３の充電端子を接続させる第１の切替手段と、
前記第１の切替手段が、前記充電出力プラス端子と前記第１の充電端子とを接続している場合には、前記充電用マイナス端子に前記第３の充電端子を接続する第１の接続状態とし、前記第１の切替手段が、前記充電出力プラス端子と前記第３の充電端子とを接続している場合には、前記充電用マイナス端子に前記第２の端子を接続する第２の接続状態とする第２の切替手段と、
を有することを特徴とする充電装置。 A charging device for charging the battery pack according to claim 2,
A first charging terminal connected to the first terminal of the battery pack;
A second charging terminal connected to the second terminal of the battery pack;
A third charging terminal connected to the third terminal of the battery pack;
A charge output plus terminal and a charge output minus terminal from which power for charging the battery pack is output; and
First switching means for connecting the first charging terminal or the third charging terminal to the charging output plus terminal;
When the first switching means connects the charging output plus terminal and the first charging terminal, a first connection state in which the third charging terminal is connected to the charging minus terminal. And when the first switching means connects the charging output plus terminal and the third charging terminal, a second connection for connecting the second terminal to the charging minus terminal A second switching means for setting a state;
A charging device comprising:
前記第３の端子と前記第２の端子との間に接続される前記電池セルのセルあたりの電圧を第２の電池電圧として検出する第２の電池電圧検出手段と、
をさらに有し、
前記電池パックを充電する際には、前記第１の接続状態において充電を行った後、前記第２の電池電圧が前記第１の電池電圧に達するまで前記第２の接続状態において充電を行うことを特徴とする請求項１０に記載の充電装置。 First battery voltage detection means for detecting a voltage per cell of the battery cells connected between the first terminal and the third terminal as a first battery voltage;
Second battery voltage detection means for detecting a voltage per cell of the battery cell connected between the third terminal and the second terminal as a second battery voltage;
Further comprising
When charging the battery pack, after charging in the first connection state, charging is performed in the second connection state until the second battery voltage reaches the first battery voltage. The charging device according to claim 10.
前記第３の端子と前記第２の端子との間に接続される前記電池セルのセルあたりの電圧を第２の電池電圧として検出する第２の電池電圧検出手段と、
前記第１の電池電圧と前記第２の電池電圧とを比較し、より大きい方を特定する電池電圧比較手段と、
をさらに有し、
前記電池電圧比較手段が前記第１の電池電圧をより大きいと特定した場合には、前記第２の接続状態において前記第２の電池電圧が前記第１の電池電圧に達するまで充電を行った後、所定時間待機し、
前記電池電圧比較手段が前記第２の電池電圧をより大きいと特定した場合には、前記第１の接続状態において前記第１の電池電圧が前記第２の電池電圧に達するまで充電を行った後、所定時間待機し、
前記所定時間待機した後、前記第１の接続状態及び前記第２の接続状態のそれぞれにおいて充電を行うことを特徴とする請求項１０に記載の充電装置。 First battery voltage detection means for detecting a voltage per cell of the battery cells connected between the first terminal and the third terminal as a first battery voltage;
Second battery voltage detection means for detecting a voltage per cell of the battery cell connected between the third terminal and the second terminal as a second battery voltage;
A battery voltage comparing means for comparing the first battery voltage with the second battery voltage and specifying the larger one;
Further comprising
When the battery voltage comparison means specifies that the first battery voltage is higher, after charging until the second battery voltage reaches the first battery voltage in the second connection state , Wait for a predetermined time,
When the battery voltage comparison means specifies that the second battery voltage is higher, after charging until the first battery voltage reaches the second battery voltage in the first connection state , Wait for a predetermined time,
The charging device according to claim 10, wherein charging is performed in each of the first connection state and the second connection state after waiting for the predetermined time.
前記未接続信号が出力された場合には、前記第２の接続状態において充電を行うことを特徴とする請求項１０に記載の充電装置。 Battery connection terminal determination means for determining that the first terminal of the battery pack is not connected to the first charging terminal, and outputting a non-connection signal;
The charging device according to claim 10, wherein charging is performed in the second connection state when the unconnected signal is output.
直列接続された複数の電池セルと、 A plurality of battery cells connected in series;
前記直列接続された複数の電池セルの中の最も電位の低い電池セルのマイナス側に接続され基準電位が出力されるマイナス端子と、A negative terminal connected to the negative side of the battery cell having the lowest potential among the plurality of battery cells connected in series and outputting a reference potential;
前記複数の電池セルの中で前記基準電位に対し最も電位の高い第１の電池セルのプラス側に接続され第1の電位が出力される第１のプラス端子と、A first positive terminal connected to the positive side of the first battery cell having the highest potential with respect to the reference potential among the plurality of battery cells and outputting a first potential;
前記複数の電池セルの中で前記第１の電池セル以外の第２の電池セルのプラス側に接続され第２の電位が出力される第２のプラス端子と、を備え、A second positive terminal connected to a positive side of a second battery cell other than the first battery cell among the plurality of battery cells and outputting a second potential;
前記３つの端子の内、２つの端子は前記第１の電動工具に接続され、前記２つの端子の内の一方の端子と前記３つの端子の残りの１つの端子は前記第２の電動工具に接続されることを特徴とする電池パック。Of the three terminals, two terminals are connected to the first power tool, and one of the two terminals and the remaining one of the three terminals are connected to the second power tool. A battery pack characterized by being connected.
前記第１の電圧とは異なる第２の電圧で駆動する第２の電動工具と、A second electric power tool driven by a second voltage different from the first voltage;
前記第１の電動工具及び前記第２の電動工具に接続可能な電池パックと、を備えた電動工具システムであって、 A battery pack connectable to the first power tool and the second power tool, and a power tool system comprising:
前記電池パックは、The battery pack is
直列接続された複数の電池セルと、A plurality of battery cells connected in series;
前記直列接続された複数の電池セルの中の最も電位の低い電池セルのマイナス側に接続され基準電位が出力されるマイナス端子と、A negative terminal connected to the negative side of the battery cell having the lowest potential among the plurality of battery cells connected in series and outputting a reference potential;
前記複数の電池セルの中で前記基準電位に対し最も電位の高い第１の電池セルのプラス側に接続され第1の電位が出力される第１のプラス端子と、A first positive terminal connected to the positive side of the first battery cell having the highest potential with respect to the reference potential among the plurality of battery cells and outputting a first potential;
前記複数の電池セルの中で前記第１の電池セル以外の第２の電池セルのプラス側に接続され第２の電位が出力される第２のプラス端子と、を備え、A second positive terminal connected to a positive side of a second battery cell other than the first battery cell among the plurality of battery cells and outputting a second potential;
前記第１の電動工具は、前記３つの端子の内の、２つの端子と接続する第１の端子群、を備え、The first power tool includes a first terminal group connected to two of the three terminals,
前記第２の電動工具は、前記２つの端子の内の一方の端子と前記３つの端子の残りの１つの端子と接続する第２の端子群を備えたことを特徴とする電動工具システム。The second power tool is provided with a second terminal group connected to one terminal of the two terminals and the remaining one of the three terminals.
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| JP2009157773A JP5500337B2 (en) | 2009-07-02 | 2009-07-02 | Charging device for charging the battery pack |
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| JP2011015538A5 true JP2011015538A5 (en) | 2012-04-19 |
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| CN108616154B (en) | 2014-05-18 | 2021-09-14 | 百得有限公司 | Electric tool system |
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| JP3268513B2 (en) * | 1994-07-26 | 2002-03-25 | 沖電気工業株式会社 | Battery pack charger |
| JP3495636B2 (en) * | 1999-03-25 | 2004-02-09 | 株式会社マキタ | Charging device |
| JP3873648B2 (en) * | 2001-04-10 | 2007-01-24 | 日立工機株式会社 | DC power supply with charging function |
| JP2007257968A (en) * | 2006-03-23 | 2007-10-04 | Hitachi Ltd | Automobile-use power supply system using wound-around battery |
-
2009
- 2009-07-02 JP JP2009157773A patent/JP5500337B2/en not_active Expired - Fee Related
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