JP2007159292A - Charging device - Google Patents

Charging device Download PDF

Info

Publication number
JP2007159292A
JP2007159292A JP2005352268A JP2005352268A JP2007159292A JP 2007159292 A JP2007159292 A JP 2007159292A JP 2005352268 A JP2005352268 A JP 2005352268A JP 2005352268 A JP2005352268 A JP 2005352268A JP 2007159292 A JP2007159292 A JP 2007159292A
Authority
JP
Japan
Prior art keywords
terminal
battery
charging
positive electrode
mounting portion
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.)
Pending
Application number
JP2005352268A
Other languages
Japanese (ja)
Inventor
Masayuki Ishii
正幸 石井
Koji Umetsu
浩二 梅津
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP2005352268A priority Critical patent/JP2007159292A/en
Priority to TW095143588A priority patent/TW200727552A/en
Priority to KR1020060122065A priority patent/KR20070059987A/en
Priority to CNB2006101640462A priority patent/CN100438265C/en
Publication of JP2007159292A publication Critical patent/JP2007159292A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To detect whether a battery is set in a battery-mounting portion of a charging device without providing a mechanical switch or without providing an unnecessary terminal and a thermistor on the battery. <P>SOLUTION: This charging device is provided with: a positive charging terminal 1a and a negative one 1b, which are connected to the positive terminal 2a and the negative one 2b of the battery 2 respectively, are provided on the battery-mounting portion 8, and a control microcomputer 6 that is configured to control charging operation when the battery 2 is mounted on the battery-mounting portion 8. A switch terminal 1d is provided near the positive charging terminal 1a or the negative one 1b on the battery-mounting portion 8. When the battery 2 is mounted in the battery-mounting portion 8, the microcomputer 6 detects the setting of the battery 2 by making short-circuiting between the positive charging terminal 1a or the negative one 1b and the switch terminal 1d with the positive terminal 2a or the negative one 2b of the battery 2. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、制御マイクロコンピュータを用いて充電動作を制御するようにした充電装置に関する。   The present invention relates to a charging apparatus that controls a charging operation using a control microcomputer.

一般に、制御マイクロコンピュータを用いて充電動作を制御するようにした充電装置が提案されている。この制御マイクロコンピュータを用いて充電動作を制御するようにした充電装置においては、この充電装置のバッテリー装着部にバッテリーが装着されたことを確認して、この制御マイクロコンピュータが充電動作の制御を行うようにしている。   In general, a charging apparatus that controls a charging operation using a control microcomputer has been proposed. In the charging apparatus that controls the charging operation using the control microcomputer, it is confirmed that the battery is mounted in the battery mounting portion of the charging apparatus, and the control microcomputer controls the charging operation. I am doing so.

従来、このバッテリー装着部にバッテリーが装着されたことを確認するのに、図３に示す如く、充電装置１のバッテリー装着部にバッテリー（二次電池）を構成するバッテリーパック２の正極端子２ａ及び負極端子２ｂに接続する正極用充電端子１ａ及び負極用充電端子１ｂを設けると共にこのバッテリーパック２をこのバッテリー装着部に装着し、このバッテリーパック２の正極端子２ａ及び負極端子２ｂが正極用充電端子１ａ及び負極用充電端子１ｂに夫々接続されたときに、このバッテリーパック２の筐体により可動接点を構成する操作子３ａが押圧され、一方及び他方の固定接点３ｂ及び３ｃを短絡するようになされたメカスッチ３を設けたものが提案されている。   Conventionally, in order to confirm that a battery is mounted in the battery mounting portion, as shown in FIG. 3, the positive terminal 2 a of the battery pack 2 constituting the battery (secondary battery) in the battery mounting portion of the charging apparatus 1 and A positive electrode charging terminal 1a and a negative electrode charging terminal 1b connected to the negative electrode terminal 2b are provided, and the battery pack 2 is mounted on the battery mounting portion. The positive electrode terminal 2a and the negative electrode terminal 2b of the battery pack 2 are the positive electrode charging terminals. When connected to the charging terminal 1b and the negative charging terminal 1b, the operating element 3a constituting the movable contact is pressed by the casing of the battery pack 2, and the one and the other fixed contacts 3b and 3c are short-circuited. A mechanism provided with a mechanical switch 3 has been proposed.

この図３においては、正極用充電端子１ａに例えば４．２Ｖの充電電圧を供給すると共に負極用充電端子１ｂを接地する。また、このメカスッチ３の一方の固定接点３ｂを抵抗器４を介して、例えば３Ｖの直流電圧が供給される電源端子５に接続すると共にこの一方の固定接点３ｂを充電動作を制御する制御マイクロコンピュータ６のバッテリー有無検出端子６ａに接続し、このメカスッチ３の他方の固定接点３ｃを接地する。   In FIG. 3, a charging voltage of, for example, 4.2 V is supplied to the positive electrode charging terminal 1a and the negative electrode charging terminal 1b is grounded. In addition, one fixed contact 3b of the mechanical switch 3 is connected to a power supply terminal 5 to which, for example, a DC voltage of 3V is supplied through a resistor 4, and a control microcomputer that controls the charging operation of the one fixed contact 3b. 6 is connected to the battery presence / absence detection terminal 6a, and the other fixed contact 3c of the mechanical switch 3 is grounded.

この図３においては、バッテリーパック２が充電装置１のバッテリー装着部に装着されないときは、メカスッチ３はオフ（メカスッチ３の一方及び他方の固定接点３ｂ及び３ｃは短絡されない）であり、メカスッチ３の一方の固定接点３ｂは浮いた状態にあるので、制御マイクロコンピュータ６のバッテリー有無検出端子６ａには３Ｖの直流電圧が供給され、このときは制御マイクロコンピュータ６はバッテリーパック２が充電装置１のバッテリー装着部に装着されていないと判断し、充電動作の制御は行わない。   In FIG. 3, when the battery pack 2 is not mounted on the battery mounting portion of the charging device 1, the mechanical switch 3 is off (one and the other fixed contacts 3 b and 3 c of the mechanical switch 3 are not short-circuited). Since one fixed contact 3b is in a floating state, a DC voltage of 3V is supplied to the battery presence / absence detection terminal 6a of the control microcomputer 6. At this time, the control microcomputer 6 uses the battery pack 2 as the battery of the charging device 1. It is determined that it is not attached to the attachment portion, and the charging operation is not controlled.

また、バッテリーパック２が充電装置１のバッテリー装着部に装着されたときは、メカスッチ３はオン（メカスッチ３の一方及び他方の固定接点３ｂ及び３ｃが短絡され）であり、メカスッチ３の一方の固定接点３ｂが接地されるので、制御マイクロコンピュータ６のバッテリー有無検出端子６ａには０Ｖが供給され、このときは制御マイクロコンピュータ６はバッテリーパック２が充電装置１のバッテリー装着部に装着されていると判断し、充電動作の制御を行う。   When the battery pack 2 is mounted on the battery mounting portion of the charging device 1, the mechanical switch 3 is on (one of the mechanical switches 3 and the other fixed contacts 3 b and 3 c are short-circuited), and one of the mechanical switches 3 is fixed. Since the contact 3 b is grounded, 0 V is supplied to the battery presence / absence detection terminal 6 a of the control microcomputer 6. At this time, the control microcomputer 6 assumes that the battery pack 2 is mounted on the battery mounting portion of the charging device 1. Determine and control the charging operation.

また、図４は、従来のバッテリー装着部にバッテリーが装着されたことを確認するようにした充電装置の他の例を示す。この図４につき説明するに、図４において図３に対応する部分には同一符号を付して、その詳細説明は省略する。   FIG. 4 shows another example of a charging device for confirming that a battery is mounted on a conventional battery mounting portion. In FIG. 4, the same reference numerals are given to the portions corresponding to FIG. 3 in FIG.

図４においては、充電装置１のバッテリー装着部にバッテリー（二次電池）を構成するバッテリーパック２の正極端子２ａ及び負極端子２ｂに接続する正極用充電端子１ａ及び負極用充電端子１ｂを設けると共に検出用端子１ｃを設ける。   In FIG. 4, a positive electrode charging terminal 1 a and a negative electrode charging terminal 1 b connected to the positive electrode terminal 2 a and the negative electrode terminal 2 b of the battery pack 2 constituting the battery (secondary battery) are provided in the battery mounting portion of the charging device 1. A detection terminal 1c is provided.

この検出用端子１ｃを例えば１００ｋΩの抵抗器４を介して、例えば３Ｖの直流電圧が供給される電源端子５に接続すると共にこの検出用端子１ｃを充電動作を制御する制御マイクロコンピュータ６のバッテリー有無検出端子６ａに接続する。   This detection terminal 1c is connected to a power supply terminal 5 to which, for example, a DC voltage of 3 V is supplied via a resistor 4 of 100 kΩ, for example, and the presence or absence of a battery of the control microcomputer 6 that controls the charging operation of this detection terminal 1c Connect to the detection terminal 6a.

この図４においては、正極用充電端子１ａに例えば４．２Ｖの充電電圧を供給すると共に負極用充電端子１ｂを接地する。   In FIG. 4, a charging voltage of, for example, 4.2 V is supplied to the positive electrode charging terminal 1a and the negative electrode charging terminal 1b is grounded.

この図４例では、バッテリーパック２を充電装置１のバッテリー装着部に装着したときにこの検出用端子１ｃに接続する端子２ｃを設け、この端子２ｃと負極端子２ｂとの間に例えば１００ｋΩのサーミスタ７を接続する。   In the example of FIG. 4, a terminal 2c that is connected to the detection terminal 1c when the battery pack 2 is mounted on the battery mounting portion of the charging apparatus 1 is provided, and a 100 kΩ thermistor, for example, is provided between the terminal 2c and the negative terminal 2b. 7 is connected.

この図４例においては、バッテリーパック２が充電装置１のバッテリー装着部に装着されないときは、充電装置１の検出用端子１ｃは開放であるので、制御マイクロコンピュータ６のバッテリー有無検出端子６ａには３Ｖの直流電圧が供給され、このときは制御マイクロコンピュータ６はバッテリーパック２が充電装置１のバッテリー装着部に装着されていないと判断し、充電動作の制御は行わない。   In the example of FIG. 4, when the battery pack 2 is not attached to the battery attachment portion of the charging device 1, the detection terminal 1 c of the charging device 1 is open. A DC voltage of 3 V is supplied. At this time, the control microcomputer 6 determines that the battery pack 2 is not mounted on the battery mounting portion of the charging device 1 and does not control the charging operation.

また、バッテリーパック２が充電装置１のバッテリー装着部に装着されたときは、充電装置１の検出用端子１ｃとバッテリーパック２の端子２ｃとが接続され、検出用端子１ｃがサーミスタ７を介し、負極端子２ｂ及び負極用充電端子１ｂを介して接地されるので、制御マイクロコンピュータ６のバッテリー有無検出端子６ａには抵抗器４とサーミスタ７との分圧電圧の１.5Ｖが供給され、このときは、制御マイクロコンピュータ６はバッテリーパック２が充電装置１のバッテリー装着部に装着されていると判断し、充電動作の制御を行う。   When the battery pack 2 is mounted on the battery mounting portion of the charging device 1, the detection terminal 1 c of the charging device 1 and the terminal 2 c of the battery pack 2 are connected, and the detection terminal 1 c is connected via the thermistor 7. Since it is grounded via the negative electrode terminal 2b and the negative electrode charging terminal 1b, the divided voltage 1.5V of the resistor 4 and the thermistor 7 is supplied to the battery presence / absence detection terminal 6a of the control microcomputer 6. The control microcomputer 6 determines that the battery pack 2 is mounted on the battery mounting portion of the charging device 1 and controls the charging operation.

また、特許文献１には、充電装置において、バッテリーの充電電圧を検出するのに正極用充電端子及び負極用充電端子の外に電池電圧読込端子を設けたものが開示されている。
特開平９−２９４３３９号公報 Patent Document 1 discloses a charging device in which a battery voltage reading terminal is provided in addition to a positive electrode charging terminal and a negative electrode charging terminal to detect a charging voltage of a battery.
JP-A-9-294339

然しながら、図３に示す従来例においては、充電装置１にメカスッチ３を別に設ける必要があり、部品点数及びコストが増大すると共にこのメカスッチ３の取付け箇所を設ける必要があり、充電装置１が制約を受ける不都合があった。   However, in the conventional example shown in FIG. 3, it is necessary to provide the mechanical switch 3 separately in the charging device 1, which increases the number of parts and the cost, and it is necessary to provide a mounting location of the mechanical switch 3. There was inconvenience to receive.

また、図４に示す従来例においては、バッテリーパック２に余分な端子２ｃを設けると共にサーミスタ７を内蔵する必要があり、使用するバッテリーパック２に制限があると共にその分バッテリーパック２が高価となる不都合があった。   Further, in the conventional example shown in FIG. 4, it is necessary to provide the battery pack 2 with an extra terminal 2c and to incorporate a thermistor 7, so that the battery pack 2 to be used is limited and the battery pack 2 is expensive accordingly. There was an inconvenience.

本発明は、斯かる点に鑑み、メカスッチを設けることなく、またバッテリーに余分な端子及びサーミスタを設けることなく、充電装置のバッテリー装着部にバッテリーが装着されたかどうかを検知できるようにすることを目的とする。   In view of such a point, the present invention is capable of detecting whether or not a battery is mounted on a battery mounting portion of a charging device without providing a mechanical switch and without providing an extra terminal and thermistor on the battery. Objective.

本発明充電装置は、バッテリー装着部にバッテリーの正極端子及び負極端子に接続する正極用充電端子及び負極用充電端子を設けると共にこのバッテリー装着部にこのバッテリーが装着されたときに充電動作を制御するようにした制御マイクロコンピュータを設けた充電装置において、このバッテリー装着部のこの正極用充電端子又はこの負極用充電端子に近接してスイッチ用端子を設け、このバッテリー装着部にこのバッテリーを装着したときにこのバッテリーの正極端子又は負極端子でこの正極用充電端子又はこの負極用充電端子とスイッチ用端子とを短絡することによりこの制御マイクロコンピュータがこのバッテリーの装着を検知するようにしたものである。   The charging device of the present invention is provided with a charging terminal for a positive electrode and a charging terminal for a negative electrode connected to a positive electrode terminal and a negative electrode terminal of the battery in the battery mounting part, and controls a charging operation when the battery is mounted on the battery mounting part. In the charging device provided with the control microcomputer as described above, when a switch terminal is provided in the vicinity of the positive electrode charging terminal or the negative electrode charging terminal of the battery mounting portion, and the battery is mounted on the battery mounting portion. In addition, the control microcomputer detects the mounting of the battery by short-circuiting the positive charge terminal or the negative charge terminal and the switch terminal at the positive terminal or the negative terminal of the battery.

本発明によれば、バッテリー装着部のこの正極用充電端子又はこの負極用充電端子に近接してスイッチ用端子を設け、このバッテリー装着部にこのバッテリーを装着したときにこのバッテリーの正極端子又は負極端子でこの正極用充電端子又はこの負極用充電端子とスイッチ用端子とを短絡することによりこの制御マイクロコンピュータがこのバッテリーの装着を検知するようにしたので、メカスッチを設けることなく、またバッテリーに余分な端子及びサーミスタを設けることなく、充電装置のバッテリー装着部にバッテリーが装着されたかどうかを検知できる。   According to the present invention, a switch terminal is provided in the vicinity of the positive electrode charging terminal or the negative electrode charging terminal of the battery mounting portion, and when the battery is mounted on the battery mounting portion, the positive terminal or negative electrode of the battery is mounted. Since the control microcomputer detects the attachment of the battery by short-circuiting the positive charge terminal or the negative charge terminal and the switch terminal at the terminal, no extra mechanical switch is provided. It is possible to detect whether or not a battery is mounted on the battery mounting portion of the charging device without providing a proper terminal and thermistor.

以下、図１及び図２を参照して、本発明充電装置を実施するための最良の形態の例につき説明する。この図１及び図２において、図３及び図４に対応する部分には同一符号を付して示す。   Hereinafter, with reference to FIG.1 and FIG.2, the example of the best form for implementing this invention charging device is demonstrated. In FIGS. 1 and 2, parts corresponding to those in FIGS. 3 and 4 are denoted by the same reference numerals.

本例においては、図１及び図２に示す如く、充電装置１のバッテリー装着部８にバッテリー（二次電池）を構成するバッテリーパック２の正極端子２ａ及び負極端子２ｂに接続する正極用充電端子１ａ及び負極用充電端子１ｂを設けると共に本例においては、この正極用充電端子１ａに近接してスイッチ用端子１ｄを設ける。   In this example, as shown in FIGS. 1 and 2, a positive electrode charging terminal connected to the positive electrode terminal 2 a and the negative electrode terminal 2 b of the battery pack 2 constituting the battery (secondary battery) in the battery mounting portion 8 of the charging device 1. 1a and a negative electrode charging terminal 1b are provided, and in this example, a switch terminal 1d is provided adjacent to the positive electrode charging terminal 1a.

この場合、本例においては、バッテリーパック２の正極端子２ａ及び負極端子２ｂの接触部を図２に示す如く、所定大きさの平面形状とすると共に充電装置１の正極用充電端子１ａ、負極用充電端子１ｂ及びスイッチ用端子１ｄを夫々図２に示す如く線バネで構成し、この正極用充電端子１ａとスイッチ用端子１ｄとの距離をバッテリーパック２をバッテリー装着部８に装着したときに図２に示す如くバッテリーパック２の正極端子２ａを同時に接触できる距離とする。   In this case, in this example, the contact portion between the positive electrode terminal 2a and the negative electrode terminal 2b of the battery pack 2 has a planar shape with a predetermined size as shown in FIG. The charging terminal 1b and the switching terminal 1d are each constituted by a wire spring as shown in FIG. 2, and the distance between the positive charging terminal 1a and the switching terminal 1d is shown when the battery pack 2 is mounted on the battery mounting portion 8. As shown in FIG. 2, the distance is such that the positive electrode terminals 2a of the battery pack 2 can be simultaneously contacted.

即ち、このバッテリーパック２を充電装置1のバッテリー装着部８に装着したときに図２に示す如く、この正極用充電端子１ａとスイッチ用端子１ｄとをバッテリーパック２の正極端子２ａで短絡する如くする。   That is, as shown in FIG. 2, when the battery pack 2 is mounted on the battery mounting portion 8 of the charging device 1, the positive charging terminal 1a and the switching terminal 1d are short-circuited by the positive terminal 2a of the battery pack 2. To do.

尚、この充電装置１の正極用充電端子１ａ、負極用充電端子１ｂ及びスイッチ用端子１ｄは線バネでなく、板バネ等であっても良い。   The positive electrode charging terminal 1a, the negative electrode charging terminal 1b, and the switch terminal 1d of the charging device 1 may be leaf springs instead of wire springs.

本例においては、このスイッチ用端子１ｄを抵抗器１０を介してスッチング用のｎｐｎ形トランジスタ１１の制御電極であるベースに接続し、このスイッチング用トランジスタ１１の一方の被制御電極であるコレクタを抵抗器４を介して例えば３Ｖの直流電圧が供給される電源端子５に接続すると共にこのスイッチング用トランジスタ１１の一方の被制御電極であるコレクタを充電動作を制御する制御マイクロコンピュータ６のバッテリー有無検出端子６ａに接続する。また、このスイッチング用トランジスタ１１の他方の被制御電極であるエミッタを接地する。   In this example, the switch terminal 1d is connected to the base which is the control electrode of the switching npn transistor 11 via the resistor 10, and the collector which is one controlled electrode of the switching transistor 11 is connected to the resistor. A battery presence / absence detection terminal of a control microcomputer 6 which is connected to a power supply terminal 5 to which a DC voltage of 3V, for example, is supplied via a device 4 and which controls a charging operation of a collector which is one controlled electrode of the switching transistor 11. Connect to 6a. Further, the emitter which is the other controlled electrode of the switching transistor 11 is grounded.

また、本例においては、この充電装置１の正極用充電端子１ａに例えば４．２Ｖの充電電圧を供給すると共に負極用充電端子１ｂを接地する。その他は従来周知の充電装置と同様に構成する。   In this example, a charging voltage of, for example, 4.2 V is supplied to the positive electrode charging terminal 1a of the charging device 1 and the negative electrode charging terminal 1b is grounded. The other configuration is the same as that of a conventionally known charging device.

本例は上述の如く構成されているので、バッテリーパック２が充電装置１のバッテリー装着部８に装着されていないときは、充電装置１のスイッチ用端子１ｄは開放であるので、スイッチング用トランジスタ１１はオフであり、このスイッチング用トランジスタ１１のコレクタの電圧は３Ｖであり、制御マイクロコンピュータ６のバッテリー有無検出端子６ａには、この３Ｖの直流電圧が供給され、このときは制御マイクロコンピュータ６はバッテリーパック２が充電装置１のバッテリー装着部８に装着されていないと判断し、充電動作の制御は行わない。   Since this example is configured as described above, when the battery pack 2 is not mounted on the battery mounting portion 8 of the charging device 1, the switching terminal 1d of the charging device 1 is open, so that the switching transistor 11 Is off, the collector voltage of the switching transistor 11 is 3V, and the DC voltage of 3V is supplied to the battery presence / absence detection terminal 6a of the control microcomputer 6. At this time, the control microcomputer 6 is connected to the battery. It is determined that the pack 2 is not attached to the battery attachment portion 8 of the charging device 1, and the charging operation is not controlled.

また、バッテリーパック２が充電装置１のバッテリー装着部８に装着されたときは、図２に示す如く充電装置１の正極用充電端子１ａとスイッチ用端子１ｄとがバッテリーパック２の正極端子２ａに接触して短絡するので、スイッチング用トランジスタ１１のベースに正極用充電端子１ａの電圧例えば４．２Ｖ供給され、このスイッチング用トランジスタ１１はオンとなり、このスイッチング用トランジスタ１１のコレクタの電圧は略０Ｖとなり、制御マイクロコンピュータ６のバッテリー有無検出端子６ａには、この略０Ｖの電圧が供給され、このときは制御マイクロコンピュータ６はバッテリーパック２が充電装置１のバッテリー装着部８に装着されていると判断し、充電動作の制御は行う。   When the battery pack 2 is mounted on the battery mounting portion 8 of the charging device 1, the positive charging terminal 1a and the switching terminal 1d of the charging device 1 are connected to the positive terminal 2a of the battery pack 2 as shown in FIG. Since the contact is short-circuited, the voltage of the positive electrode charging terminal 1a, for example, 4.2V is supplied to the base of the switching transistor 11, the switching transistor 11 is turned on, and the collector voltage of the switching transistor 11 becomes substantially 0V. The voltage of approximately 0 V is supplied to the battery presence / absence detection terminal 6a of the control microcomputer 6. At this time, the control microcomputer 6 determines that the battery pack 2 is mounted on the battery mounting portion 8 of the charging device 1. The charging operation is controlled.

本例によれば、バッテリー装着部８の正極用充電端子１ａに近接してスイッチ用端子１ｄを設け、このバッテリー装着部８にバッテリーパック２を装着したときにこのバッテリーパック２の正極端子２ａでこの正極用充電端子１ａとスイッチ用端子１ｄとを短絡することによりこの制御マイクロコンピュータ６がこのバッテリーパック２の装着を検知するようにしたので、メカスッチ３を設けることなく、またバッテリーパック２に余分な端子２ｃ及びサーミスタ７を設けることなく、充電装置１のバッテリー装着部８にバッテリーパック２が装着されたことを検知することができる。   According to this example, the switch terminal 1d is provided in the vicinity of the positive electrode charging terminal 1a of the battery mounting portion 8, and when the battery pack 2 is mounted on the battery mounting portion 8, the positive terminal 2a of the battery pack 2 Since the control microcomputer 6 detects the attachment of the battery pack 2 by short-circuiting the positive electrode charging terminal 1a and the switch terminal 1d, the extra charge is added to the battery pack 2 without providing the mechanical switch 3. It is possible to detect that the battery pack 2 is mounted on the battery mounting portion 8 of the charging apparatus 1 without providing the terminal 2 c and the thermistor 7.

尚、上述例では、充電装置１の正極用充電端子１ａに近接してスイッチ用端子１ｄを設け例につき述べたが、この代わりに、負極用充電端子１ｂに近接してスイッチ用端子１ｄを設け、この負極用充電端子１ｂとスイッチ用端子１ｄとをバッテリーパック２の負極端子２ｂに接触して短絡するようにし、スイッチング用トランジスタとして極性の異なるトランジスタ（例えばｐｎｐ形トランジスタ）を使用するようにすれば、上述例同様の作用効果が得られることは容易に理解できよう。   In the above-described example, the switch terminal 1d is provided in the vicinity of the positive electrode charging terminal 1a of the charging device 1. However, instead of this, the switch terminal 1d is provided in the vicinity of the negative electrode charging terminal 1b. The negative charging terminal 1b and the switching terminal 1d are in contact with the negative terminal 2b of the battery pack 2 so as to be short-circuited, and transistors having different polarities (for example, pnp transistors) are used as switching transistors. It can be easily understood that the same effect as the above example can be obtained.

また、本発明は上述例に限ることなく、本発明の要旨を逸脱することなく、その他種々の構成が採り得ることは勿論である。   Further, the present invention is not limited to the above-described example, and various other configurations can be adopted without departing from the gist of the present invention.

本発明充電装置を実施するための最良の形態の例を示す構成図である。It is a block diagram which shows the example of the best form for implementing this invention charging device. 本発明充電装置を実施するための最良の形態の例の要部の例を示す斜視図である。It is a perspective view which shows the example of the principal part of the example of the best form for implementing this invention charging device. 従来の充電装置の例を示す構成図である。It is a block diagram which shows the example of the conventional charging device. 従来の充電装置の他の例を示す構成図である。It is a block diagram which shows the other example of the conventional charging device.

符号の説明Explanation of symbols

１…充電装置、１ａ…正極用充電端子、１ｂ…負極用充電端子、１ｄ…スイッチ用端子、２…バッテリーパック、２ａ…正極端子、２ｂ…負極端子、４、１０…抵抗器、５…電源端子、６…制御マイクロコンピュータ、６ａ…バッテリー有無検出端子、８…バッテリー装着部、１１…スイッチング用トランジスタ   DESCRIPTION OF SYMBOLS 1 ... Charging apparatus, 1a ... Positive charge terminal, 1b ... Negative charge terminal, 1d ... Switch terminal, 2 ... Battery pack, 2a ... Positive electrode terminal, 2b ... Negative electrode terminal, 4, 10 ... Resistor, 5 ... Power supply Terminals 6 ... Control microcomputer 6a ... Battery presence / absence detection terminal 8 ... Battery mounting portion 11 ... Switching transistor

Claims (4)

バッテリー装着部にバッテリーの正極端子及び負極端子に接続する正極用充電端子及び負極用充電端子を設けると共に前記バッテリー装着部に前記バッテリーが装着されたときに充電動作を制御するようにした制御マイクロコンピュータを設けた充電装置において、
前記バッテリー装着部の前記正極用充電端子又は前記負極用充電端子に近接してスイッチ用端子を設け、前記バッテリー装着部に前記バッテリーを装着したときに前記バッテリーの正極端子又は負極端子で前記正極用充電端子又は前記負極用充電端子とスイッチ用端子とを短絡することにより前記制御マイクロコンピュータが前記バッテリーの装着を検知するようにしたことを特徴とする充電装置。 A control microcomputer provided with a positive electrode charging terminal and a negative electrode charging terminal connected to a positive electrode terminal and a negative electrode terminal of the battery in the battery mounting part, and controlling a charging operation when the battery is mounted in the battery mounting part. In the charging device provided with
A switch terminal is provided adjacent to the positive electrode charging terminal or the negative electrode charging terminal of the battery mounting portion, and the positive electrode terminal or the negative electrode terminal of the battery is used for the positive electrode when the battery is mounted on the battery mounting portion. A charging device characterized in that the control microcomputer detects the mounting of the battery by short-circuiting the charging terminal or the negative charging terminal and the switching terminal. バッテリー装着部にバッテリーの正極端子及び負極端子に接続する正極用充電端子及び負極用充電端子を設けると共に前記バッテリー装着部に前記バッテリーが装着されたときに充電動作を制御するようにした制御マイクロコンピュータを設けた充電装置において、
前記バッテリー装着部の前記正極用充電端子又は前記負極用充電端子に近接してスイッチ用端子を設け、該スイッチ用端子をスッチング用トランジスタの制御電極に接続し、前記スッチング用トランジスタの一方の被制御電極を電源端子に接続すると共に前記制御マイクロコンピュータのバッテリー有無検出端子に接続し、前記スッチング用トランジスタの他方の被制御電極を接地するようにし、前記バッテリー装着部に前記バッテリーを装着したときに前記バッテリーの正極端子又は負極端子で前記正極用充電端子又は前記負極用充電端子とスイッチ用端子とを短絡するようにしたことを特徴とする充電装置。 A control microcomputer provided with a positive electrode charging terminal and a negative electrode charging terminal connected to a positive electrode terminal and a negative electrode terminal of the battery in the battery mounting part, and controlling a charging operation when the battery is mounted in the battery mounting part. In the charging device provided with
A switch terminal is provided in proximity to the positive charge terminal or the negative charge terminal of the battery mounting portion, the switch terminal is connected to a control electrode of a switching transistor, and one of the switching transistors is controlled. The electrode is connected to a power supply terminal and connected to a battery presence / absence detection terminal of the control microcomputer, the other controlled electrode of the switching transistor is grounded, and when the battery is mounted on the battery mounting portion, A charging apparatus comprising: a positive electrode terminal or a negative electrode terminal of a battery, wherein the positive electrode charging terminal or the negative electrode charging terminal and the switch terminal are short-circuited. 請求項１又は２記載の充電装置において、
前記バッテリーはバッテリーパック構成であることを特徴とする充電装置。 The charging device according to claim 1 or 2,
The battery charger has a battery pack configuration. 請求項１又は２記載の充電装置において、
前記バッテリーの正極端子及び負極端子は平面形状であることを特徴とする充電装置。 The charging device according to claim 1 or 2,
The battery charger is characterized in that the positive electrode terminal and the negative electrode terminal of the battery have a planar shape.
JP2005352268A 2005-12-06 2005-12-06 Charging device Pending JP2007159292A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2005352268A JP2007159292A (en) 2005-12-06 2005-12-06 Charging device
TW095143588A TW200727552A (en) 2005-12-06 2006-11-24 Charger
KR1020060122065A KR20070059987A (en) 2005-12-06 2006-12-05 Charging equipment
CNB2006101640462A CN100438265C (en) 2005-12-06 2006-12-06 Charging equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005352268A JP2007159292A (en) 2005-12-06 2005-12-06 Charging device

Publications (1)

Publication Number Publication Date
JP2007159292A true JP2007159292A (en) 2007-06-21

Family

ID=38131055

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005352268A Pending JP2007159292A (en) 2005-12-06 2005-12-06 Charging device

Country Status (4)

Country Link
JP (1) JP2007159292A (en)
KR (1) KR20070059987A (en)
CN (1) CN100438265C (en)
TW (1) TW200727552A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8283898B2 (en) 2009-05-28 2012-10-09 Freescale Semiconductor, Inc. Battery charging circuit
US8289001B2 (en) 2009-05-26 2012-10-16 Freescale Semiconductor, Inc. Battery charging circuit and battery charger
US8493034B2 (en) 2009-04-17 2013-07-23 Freescale Semiconductor, Inc. Charge control circuit and battery charger including a charge control circuit

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2667207B1 (en) 2011-01-18 2021-03-31 Nissan Motor Co., Ltd Charging apparatus and method for determining conduction state

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0336936A (en) * 1989-06-30 1991-02-18 Hitachi Koki Co Ltd Battery charger
JPH0354033U (en) * 1989-09-28 1991-05-24
JPH0482173A (en) * 1990-07-25 1992-03-16 Sony Corp Charging device
JPH0715887A (en) * 1993-06-23 1995-01-17 Funai Electric Co Ltd Charging changeover circuit device
JPH11176486A (en) * 1997-12-09 1999-07-02 Sanyo Electric Co Ltd Charging device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3203538B2 (en) * 1994-12-13 2001-08-27 京セラ株式会社 Battery charger
JP2005027471A (en) * 2003-07-02 2005-01-27 Kenwood Corp Charger
JP2005027435A (en) * 2003-07-02 2005-01-27 Sony Corp Charging equipment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0336936A (en) * 1989-06-30 1991-02-18 Hitachi Koki Co Ltd Battery charger
JPH0354033U (en) * 1989-09-28 1991-05-24
JPH0482173A (en) * 1990-07-25 1992-03-16 Sony Corp Charging device
JPH0715887A (en) * 1993-06-23 1995-01-17 Funai Electric Co Ltd Charging changeover circuit device
JPH11176486A (en) * 1997-12-09 1999-07-02 Sanyo Electric Co Ltd Charging device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8493034B2 (en) 2009-04-17 2013-07-23 Freescale Semiconductor, Inc. Charge control circuit and battery charger including a charge control circuit
US8289001B2 (en) 2009-05-26 2012-10-16 Freescale Semiconductor, Inc. Battery charging circuit and battery charger
US8283898B2 (en) 2009-05-28 2012-10-09 Freescale Semiconductor, Inc. Battery charging circuit

Also Published As

Publication number Publication date
CN1979995A (en) 2007-06-13
TW200727552A (en) 2007-07-16
TWI345351B (en) 2011-07-11
KR20070059987A (en) 2007-06-12
CN100438265C (en) 2008-11-26

Similar Documents

Publication Publication Date Title
EP2770586B1 (en) Magnetic connector module having power supply blocking circuit
JP2006326765A (en) Power tool
WO2017122450A1 (en) Battery-shaped power supply device equipped with wireless communication function
JP2007159292A (en) Charging device
KR20120092455A (en) Charging device using magnet in vehicles
US6759833B1 (en) Charger capable of switching polarity
JP2008136304A (en) Automatic detector for battery polarity
JPH07245095A (en) Removable type battery unit
JP2007257128A (en) Information terminal and cradle apparatus
JP2006288049A (en) Load control circuit, current control circuit, and load control system
JPH0779188A (en) Power supply changeover circuit
JP2940094B2 (en) Charging device
JP2006320154A (en) Charging set of secondary battery charger
JP3872643B2 (en) Battery circuit
JP2010160651A (en) Storage device and adapter therefor
JP2004199910A (en) Battery pack, electronic equipment using it, charger, and charging system
JP2005143211A (en) Battery charger
JP2009200022A (en) Primary/secondary common battery storage device
KR101529551B1 (en) Battery protecting device for replaceable secondary battery
JP3115291U (en) Solenoid drive circuit
WO2023195437A1 (en) Power supply control device, power supply control method, and computer program
JPH0675028A (en) Battery voltage detecting circuit
JP4461067B2 (en) Battery protection circuit
JP4395346B2 (en) Capacitor charging circuit
JPH0729543Y2 (en) Relay drive circuit

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20081113

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20090810

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090908

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20091019

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20100518

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20100804

A911 Transfer of reconsideration by examiner before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20100819

A912 Removal of reconsideration by examiner before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A912

Effective date: 20100910

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20110609