JPH1127869A - Portable electronic apparatus - Google Patents
Portable electronic apparatusInfo
- Publication number
- JPH1127869A JPH1127869A JP9173824A JP17382497A JPH1127869A JP H1127869 A JPH1127869 A JP H1127869A JP 9173824 A JP9173824 A JP 9173824A JP 17382497 A JP17382497 A JP 17382497A JP H1127869 A JPH1127869 A JP H1127869A
- Authority
- JP
- Japan
- Prior art keywords
- secondary battery
- power supply
- charge
- built
- charging
- 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.)
- Granted
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Telephone Set Structure (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、ＰＨＳ端末等の携
帯電子機器に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable electronic device such as a PHS terminal.
【０００２】[0002]
【従来の技術】従来より、携帯電子機器においては、キ
ャビネット部分が折り畳み可能なものがあり、このよう
な折り畳み可能な携帯電子機器においては、機器本体が
閉成状態か開成状態かを検知し、その検知結果に基づい
て電源をオン・オフさせる等の各種機能を起動するもの
があった。2. Description of the Related Art Conventionally, there is a portable electronic device in which a cabinet portion is foldable. In such a foldable portable electronic device, it is detected whether the device body is closed or open. Some devices activate various functions such as turning on / off a power supply based on the detection result.
【０００３】又、携帯電子機器においては、コンピュー
タのＰＣカードスロットに挿入されてコンピュータとの
データ通信を可能とするものがあり、特にＰＨＳ端末や
携帯電話機等のように外部ネットワークを利用した通信
が可能な携帯電子機器においては、この携帯電子機器を
コンピュータのＰＣカードスロットに挿入することによ
ってコンピュータと外部ネットワークとを接続すること
ができる。[0003] Some portable electronic devices are inserted into a PC card slot of a computer to enable data communication with the computer. In particular, communication using an external network such as a PHS terminal or a mobile phone is not available. In a possible portable electronic device, the portable electronic device can be connected to an external network by inserting the portable electronic device into a PC card slot of the computer.
【０００４】そして、このように、コンピュータのＰＣ
カードスロットに挿入されてコンピュータとのデータ通
信を可能とする携帯電子機器においては、専用の充電器
による電源供給に加えてＰＣカードスロットからの電源
によって内蔵二次電池の充電を行うようにしたものがあ
った。[0004] As described above, the computer PC
In a portable electronic device that is inserted into a card slot and enables data communication with a computer, a built-in secondary battery is charged by a power supply from a PC card slot in addition to a power supply from a dedicated charger. was there.
【０００５】[0005]
【発明が解決しようとする課題】ところで、上記従来装
置のように、充電器やＰＣカードスロットからの電源供
給によって内蔵二次電池の充電を行うようにした場合に
おいて、それぞれの充電方法において充電電圧や充電電
流が異なる場合には、内蔵二次電池に供給されている電
圧や電流が分からなかったり、内蔵二次電池の充電容量
を正確に認識することができない等の理由から、過充電
によって内蔵二次電池を破壊してしまい内蔵二次電池を
正常に充電することができないため、それぞれの充電方
法において充電電圧や充電電流を一致させるか、何れの
充電方法によって充電が行われているかを制御部におい
て認識する必要があった。In the case where the built-in secondary battery is charged by power supply from a charger or a PC card slot as in the above-mentioned conventional device, the charging voltage is increased in each charging method. If the charging current is different, the voltage or current supplied to the built-in secondary battery is not known, or the charging capacity of the built-in secondary battery cannot be accurately recognized. Since the rechargeable battery is destroyed and the built-in rechargeable battery cannot be charged normally, control the charging voltage and charging current in each charging method, and control which charging method is used. It was necessary to recognize in the department.
【０００６】ところが、それぞれの充電方法において充
電電圧や充電電流を一致させる場合には、内蔵二次電池
の充電を行わせるコンピュータにおいて非常に厳しい制
約がかかるといった問題点があり、又何れの充電方法に
よって充電が行われているかを認識するためには、それ
を検出するための機構又は回路が別途必要となるため回
路規模が増大し、機器が大型化になるといった問題点が
あった。However, when the charging voltage and the charging current are made to match in each charging method, there is a problem that a very strict restriction is imposed on a computer for charging the built-in secondary battery. In order to recognize whether or not charging is being performed, a mechanism or a circuit for detecting the charging is required separately, so that the circuit scale is increased, and there is a problem that the device becomes larger.
【０００７】本発明は、外部コンピュータに厳しい制約
をかけることなく、又機器本体の大型化を招くことな
く、内蔵二次電池の充電を正常に行うことができる携帯
電子機器を提供することを目的とするものである。SUMMARY OF THE INVENTION It is an object of the present invention to provide a portable electronic device that can normally charge a built-in secondary battery without severely restricting an external computer and without increasing the size of the device main body. It is assumed that.
【０００８】[0008]
【課題を解決するための手段】上記目的を達成するため
に、請求項１記載の発明は、キャビネット部分が折り畳
み可能な機構を有すると共に、機器本体が閉成状態か開
成状態かを検知し、その検知結果に基づいて各種機能を
起動する携帯電子機器において、専用充電器から電源供
給を得る第１電源手段と、外部コンピュータのカードス
ロットから電源供給を得る第２電源手段と、上記検知結
果に基づいて上記第１電源手段又は第２電源手段の何れ
により内蔵二次電池の充電が行われているか判断し、そ
の判断結果に基づいて充電制御を行う制御手段とを設け
たものである。In order to achieve the above object, according to the first aspect of the present invention, a cabinet portion has a foldable mechanism, and detects whether an apparatus main body is in a closed state or an open state. In a portable electronic device that activates various functions based on the detection result, a first power supply unit for obtaining power supply from a dedicated charger, a second power supply unit for obtaining power supply from a card slot of an external computer, Control means for determining whether the built-in secondary battery is being charged by the first power supply means or the second power supply means based on the determination result, and performing charge control based on the determination result.
【０００９】請求項２記載の発明は、上記制御手段が、
上記判断結果に基づいて上記内蔵二次電池の充電容量を
認識するものである。According to a second aspect of the present invention, the control means includes:
The charge capacity of the built-in secondary battery is recognized based on the determination result.
【００１０】請求項３記載の発明は、上記制御手段が、
認識された充電容量に基づいて上記第１電源手段又は第
２電源手段による上記内蔵二次電池の充電を停止するも
のである。According to a third aspect of the present invention, the control means includes:
The charging of the built-in secondary battery by the first power supply means or the second power supply means is stopped based on the recognized charging capacity.
【００１１】請求項４記載の発明は、上記制御手段が、
上記第２電源手段によって上記内蔵二次電池の充電が行
われていると判断されたとき、上記第２電源手段によっ
て得られる電源によって機器本体を駆動すると共に、上
記内蔵二次電池から機器本体への電源供給を抑制又は停
止するものである。According to a fourth aspect of the present invention, the control means includes:
When it is determined that the built-in secondary battery is being charged by the second power supply means, the device main body is driven by the power supply obtained by the second power supply means, and from the built-in secondary battery to the device main body. Power supply is suppressed or stopped.
【００１２】請求項５記載の発明は、機器本体が外部コ
ンピュータのカードスロットに接続されたとき、機器本
体の閉成を禁止する機構を設けたものである。According to a fifth aspect of the present invention, there is provided a mechanism for inhibiting the closing of the device main body when the device main body is connected to the card slot of the external computer.
【００１３】請求項６記載の発明は、機器本体が専用充
電器に載置されたとき、機器本体を強制的に閉成する機
構を設けたものである。According to a sixth aspect of the present invention, there is provided a mechanism for forcibly closing the device main body when the device main body is placed on the dedicated charger.
【００１４】従って、請求項１記載の発明によれば、機
器本体が閉成状態にあると検知されている状態において
内蔵二次電池の充電が行われているとき、制御手段が専
用充電器から電源供給を得た第１電源手段によって内蔵
二次電池の充電が行われていると判断してそれに応じた
充電制御を行う一方、機器本体が開成状態にあると検知
されている状態で内蔵二次電池の充電が行われているこ
とき、制御手段が外部コンピュータのカードスロットか
ら電源供給を得た第２電源手段によって内蔵二次電池の
充電が行われていると判断してそれに応じた充電制御を
行うことにより、充電器やＰＣカードスロットからの電
源供給における充電電圧や充電電流が異なる場合であっ
ても、正常に内蔵二次電池の充電を行うことができる。Therefore, according to the first aspect of the present invention, when the built-in secondary battery is being charged in a state where the main body of the device is detected to be in the closed state, the control means switches from the dedicated charger. While it is determined that the built-in secondary battery is being charged by the first power supply unit that has been supplied with power, charging control is performed in accordance with the determination. When the secondary battery is being charged, the control means determines that the built-in secondary battery is being charged by the second power supply means which has been supplied with power from the card slot of the external computer, and charges the battery accordingly. By performing the control, the built-in secondary battery can be normally charged even when the charging voltage and the charging current in the power supply from the charger and the PC card slot are different.
【００１５】請求項２記載の発明によれば、機器本体が
閉成状態にあると検知されている状態において内蔵二次
電池の充電が行われているとき、制御手段が専用充電器
から電源供給を得た第１電源手段によって内蔵二次電池
の充電が行われていると判断してそれに応じた充電量を
認識する一方、機器本体が開成状態にあると検知されて
いる状態で内蔵二次電池の充電が行われていることき、
制御手段が外部コンピュータのカードスロットから電源
供給を得た第２電源手段によって内蔵二次電池の充電が
行われていると判断してそれに応じた充電量を認識する
ことにより、充電器やＰＣカードスロットからの電源供
給における充電電圧や充電電流が異なる場合であって
も、正確に内蔵二次電池の充電容量を認識することがで
きる。According to the second aspect of the present invention, when the built-in secondary battery is being charged in a state where the apparatus main body is detected to be in the closed state, the control means supplies power from the dedicated charger. It is determined that the built-in secondary battery is being charged by the first power supply means that has obtained the power, and the amount of charge is recognized accordingly. When the battery is being charged,
The control means determines that the built-in secondary battery is being charged by the second power supply means, which has been supplied with power from the card slot of the external computer, and recognizes the amount of charge according to the charge. Even when the charging voltage or charging current in the power supply from the slot is different, the charging capacity of the built-in secondary battery can be accurately recognized.
【００１６】請求項３記載の発明によれば、機器本体が
閉成状態にあると検知されている状態において内蔵二次
電池の充電が行われているとき、制御手段が専用充電器
から電源供給を得た第１電源手段によって内蔵二次電池
の充電が行われていると判断してそれに応じた充電量を
認識する一方、機器本体が開成状態にあると検知されて
いる状態で内蔵二次電池の充電が行われていることき、
制御手段が外部コンピュータのカードスロットから電源
供給を得た第２電源手段によって内蔵二次電池の充電が
行われていると判断してそれに応じた充電量を認識する
ことによって、内蔵二次電池の充電容量を正確に認識
し、その充電容量に基づいて第１電源手段又は第２電源
手段による内蔵二次電池の充電を停止することにより、
過充電による内蔵二次電池の破壊を確実に防止すること
ができる。According to the third aspect of the invention, when the built-in secondary battery is being charged in a state where the main body of the device is detected to be in the closed state, the control means supplies power from the dedicated charger. It is determined that the built-in secondary battery is being charged by the first power supply means that has obtained the power, and the amount of charge is recognized accordingly. When the battery is being charged,
The control means determines that the built-in secondary battery is being charged by the second power supply means that has been supplied with power from the card slot of the external computer, and recognizes the amount of charge according to the charge. By accurately recognizing the charging capacity and stopping the charging of the built-in secondary battery by the first power supply means or the second power supply means based on the charging capacity,
Destruction of the built-in secondary battery due to overcharging can be reliably prevented.
【００１７】請求項４記載の発明によれば、第２電源手
段によって内蔵二次電池の充電が行われていると判断さ
れたとき、制御手段が第２電源手段によって得られる電
源によって機器本体を駆動すると共に、内蔵二次電池か
ら機器本体への電源供給を抑制又は停止することによ
り、内蔵二次電池の電力消費を抑えつつ機器本体を駆動
することができる。According to the fourth aspect of the present invention, when it is determined that the built-in secondary battery is being charged by the second power supply means, the control means controls the apparatus main body by the power supply obtained by the second power supply means. By driving and suppressing or stopping power supply from the built-in secondary battery to the device main body, the device main body can be driven while suppressing power consumption of the built-in secondary battery.
【００１８】請求項５記載の発明によれば、機器本体が
外部コンピュータのカードスロットに接続されたとき、
機器本体の機構によって機器本体の閉成が禁止されるこ
とにより、制御手段において外部コンピュータのカード
スロットから電源供給を得た第２電源手段によって内蔵
二次電池の充電が行われていることを正確に認識するこ
とができる。According to the fifth aspect of the present invention, when the device main body is connected to the card slot of the external computer,
By prohibiting the closing of the device main body by the mechanism of the device main body, the control means accurately checks that the built-in secondary battery is being charged by the second power supply means obtained from the card slot of the external computer. Can be recognized.
【００１９】請求項６記載の発明によれば、機器本体が
専用充電器に載置されたとき、機器本体の機構によって
機器本体が強制的に閉成されることにより、制御手段に
おいて専用充電器から電源供給を得た第１電源手段によ
って内蔵二次電池の充電が行われていることを正確に認
識することができる。According to the sixth aspect of the present invention, when the device main body is placed on the dedicated charger, the device body is forcibly closed by the mechanism of the device main body, so that the dedicated charger is controlled by the control means. It is possible to accurately recognize that the built-in secondary battery is being charged by the first power supply unit that has been supplied with power from the power supply.
【００２０】[0020]
【発明の実施の形態】以下、本発明の実施の形態につい
て図面を参照して詳細に説明する。Embodiments of the present invention will be described below in detail with reference to the drawings.
【００２１】図１は本発明の一実施の形態である携帯電
子機器の電気的構成を示す概略機能ブロック図、図２及
び図３は同携帯電子機器の構造を示す図面であり、図２
（ａ）は開成状態を示す正面図、図２（ｂ）は開成状態
を示す側面図、図３（ａ）は閉成状態を示す正面図、図
３（ｂ）は閉成状態を示す側面図、図３（ｃ）は閉成状
態を示す後面斜視図である。図４は同携帯電子機器を充
電する充電器の構成を示す斜視図、図５及び図６は同携
帯電子機器と充電器との接続状態を示す図面であり、図
５は載置状態における正面斜視図、図６（ａ）は載置状
態における側面断面図、図６（ｂ）は載置途中における
側面断面図である。図７は同携帯電子機器と外部コンピ
ュータとの接続状態を示す正面斜視図、図８は同携帯電
子機器における充電時の動作制御を示すフローチャート
である。FIG. 1 is a schematic functional block diagram showing an electrical configuration of a portable electronic device according to an embodiment of the present invention, and FIGS. 2 and 3 are diagrams showing the structure of the portable electronic device.
2A is a front view showing an open state, FIG. 2B is a side view showing an open state, FIG. 3A is a front view showing a closed state, and FIG. 3B is a side view showing a closed state. FIG. 3C is a rear perspective view showing the closed state. 4 is a perspective view showing a configuration of a charger for charging the portable electronic device, FIGS. 5 and 6 are views showing a connection state between the portable electronic device and the charger, and FIG. 5 is a front view in a mounted state. FIG. 6A is a side cross-sectional view in a mounted state, and FIG. 6B is a side cross-sectional view in the middle of mounting. FIG. 7 is a front perspective view illustrating a connection state between the portable electronic device and an external computer, and FIG. 8 is a flowchart illustrating operation control during charging in the portable electronic device.
【００２２】図１乃至図８において、１は充電器Ｂから
の電源供給を受ける充電端子、２は充電端子１に対して
供給された電源を所定の電流値に調整する第１電流調整
部、３は外部コンピュータＣのカードスロットに挿入接
続され電源供給を受ける接続端子、４は接続端子３に対
して供給された電源を所定の電流値に調整する第２電流
調整部、５は第１電流調整部２及び第２電流調整部４に
よって調整された電流を二次電池６に供給又は遮断する
強制停止部、６は強制停止部５を介して供給された充電
電流によって充電される二次電池、７は強制停止部５を
介して供給される二次電池６、第１電流調整部２又は第
２電流調整部４によって駆動される機器本体の負荷回路
部、８は強制停止部５に供給される電流に基づいて二次
電池６の充電が開始されたか否かを検出する充電検出
部、９は二次電池６の電圧値を検出する電圧検出部、１
０は機器本体が閉成状態にあるか開成状態にあるかを検
出する開閉検出部、１１は充電検出部８、電圧検出部９
及び開閉検出部１０からの検出信号に基づいて第１電流
調整部２及び第２電流調整部４における電流調整制御、
及び強制停止部５における供給／停止制御等を行う制御
部であり、これら充電端子１と第１電流調整部２と接続
端子３と第２電流調整部４と強制停止部５と二次電池６
と負荷回路部７と充電検出部８と電圧検出部９と開閉検
出部１０と制御部１１とによって携帯電子機器Ａが構成
されている。1 to 8, reference numeral 1 denotes a charging terminal for receiving power supply from the charger B, 2 denotes a first current adjusting unit for adjusting the power supplied to the charging terminal 1 to a predetermined current value, Reference numeral 3 denotes a connection terminal which is inserted and connected to a card slot of the external computer C and receives power supply, 4 denotes a second current adjustment unit for adjusting the power supplied to the connection terminal 3 to a predetermined current value, and 5 denotes a first current. A forced stop unit that supplies or interrupts the current adjusted by the adjustment unit 2 and the second current adjustment unit 4 to or from the secondary battery 6. The secondary battery 6 is charged by the charging current supplied through the forced stop unit 5. , 7 are a rechargeable battery 6 supplied through a forced stop unit 5, a load circuit unit of a device main body driven by the first current adjusting unit 2 or the second current adjusting unit 4, and 8 is supplied to the forced stop unit 5. Charging of the secondary battery 6 is started based on the supplied current. Charge detection unit that detects whether or not a voltage detecting unit for detecting a voltage value of the secondary battery 6 9, 1
Reference numeral 0 denotes an open / close detection unit for detecting whether the device body is in a closed state or an open state, 11 denotes a charge detection unit 8, and a voltage detection unit 9.
And current adjustment control in the first current adjustment unit 2 and the second current adjustment unit 4 based on the detection signal from the open / close detection unit 10,
And a control unit for performing supply / stop control and the like in the forcible stop unit 5. The charging terminal 1, the first current adjusting unit 2, the connection terminal 3, the second current adjusting unit 4, the forcible stopping unit 5, and the secondary battery 6
The portable electronic device A includes the load circuit unit 7, the charge detection unit 8, the voltage detection unit 9, the open / close detection unit 10, and the control unit 11.
【００２３】そして、携帯電子機器Ａは、図２及び図３
に示すように、第１部位２１と第２部位２２とが回動自
在に設けられて折り畳みが可能となっており、この第１
部位２１と第２部位２２とを回動自在な状態で連結する
部位に充電端子１が設けられると共に、第２部位２２の
先端部分に接続端子３が設けられており、且つ第１部位
と第２部位とがある程度閉成状態となったときにおいて
内蔵のスプリングによって完全な閉成状態になるように
なっている。The portable electronic device A is shown in FIGS.
As shown in FIG. 1, a first portion 21 and a second portion 22 are provided rotatably so as to be foldable.
A charging terminal 1 is provided at a portion that rotatably connects the portion 21 and the second portion 22, and a connection terminal 3 is provided at a tip portion of the second portion 22, and the first portion and the second portion 22 are connected to each other. When the two parts are closed to a certain extent, they are completely closed by a built-in spring.
【００２４】又、充電器Ｂは、図４乃至図６に示すよう
に、第１部位２１と第２部位２２とが閉成した状態にあ
る携帯電子機器Ａが載置嵌合される形状の載置部３１が
形成され、その載置部３１の底面に充電端子３２が設け
られており、更に外部コンピュータＣは、図７に示すよ
うに、携帯電子機器Ａの第２部位２２のみが挿入接続可
能なカードスロット４１が設けられている。As shown in FIGS. 4 to 6, the charger B has a shape in which the portable electronic device A in which the first part 21 and the second part 22 are closed is placed and fitted. A mounting portion 31 is formed, and a charging terminal 32 is provided on the bottom surface of the mounting portion 31. Further, as shown in FIG. 7, in the external computer C, only the second portion 22 of the portable electronic device A is inserted. A connectable card slot 41 is provided.
【００２５】従って、携帯電子機器Ａが充電器Ｂに載置
された場合には、図５及び図６に示すように、その充電
器Ｂへの載置に伴って携帯電子機器Ａの第１部位２１と
第２部位２２とが閉成した状態となり、又携帯電子機器
Ａが外部コンピュータＣに接続された場合には、図７に
示すように、第２部位２２の先端部分の挿入に伴って携
帯電子機器Ａの第１部位２１と第２部位２２とが閉成で
きない状態となる。Therefore, when the portable electronic device A is placed on the charger B, as shown in FIG. 5 and FIG. When the part 21 and the second part 22 are closed, and the portable electronic device A is connected to the external computer C, the tip of the second part 22 is inserted as shown in FIG. Thus, the first portion 21 and the second portion 22 of the portable electronic device A cannot be closed.
【００２６】尚、本実施の形態においては、第２部位２
２を外部コンピュータＣのカードスロットに直接挿入す
ることにより、携帯電子機器Ａの第１部位２１と第２部
位２２との閉成を禁止するようにしたが、これに限定さ
れるものではなく、例えば外部コンピュータＣのカード
スロットに通信カードを挿入接続し、その通信カードの
コネクタを携帯電子機器Ａに接続する際において、第１
部位２１と第２部位２２との折り畳み方向の面にコネク
タの一部を位置させることによって携帯電子機器Ａの第
１部位２１と第２部位２２との閉成を禁止するようにし
ても良い。In this embodiment, the second portion 2
2 is directly inserted into the card slot of the external computer C, thereby closing the first part 21 and the second part 22 of the portable electronic device A. However, the present invention is not limited to this. For example, when a communication card is inserted and connected to a card slot of the external computer C and the connector of the communication card is connected to the portable electronic device A, the first
The closing of the first part 21 and the second part 22 of the portable electronic device A may be prohibited by locating a part of the connector on the surface in the folding direction of the part 21 and the second part 22.
【００２７】次に、上記のように構成された携帯電子機
器Ａについて、二次電池６を充電するときの動作を図８
に示すフローチャートに基づいて説明する。Next, the operation of the portable electronic device A configured as described above when charging the secondary battery 6 will be described with reference to FIG.
This will be described based on the flowchart shown in FIG.
【００２８】充電検出部８によって二次電池６の充電開
始が検出される（ステップＦ１）と、制御部１１は開閉
検出部１０からの検出信号に基づいて機器本体が閉成し
てるか否か判断し（ステップＦ２）、機器本体が閉成し
てると判断された場合には、制御部１１は電圧検出部９
によって検出された二次電池６の電池電圧値Ｖｎと第１
電流調整部２の調整によって得られる理想電流値Ｉ1と
充電電圧Ｖと充電時間Ｔとに基づいて充電後の二次電池
６の充電容量Ｘを計算し（ステップＦ３）、又機器本体
が開成していると判断された場合には、制御部１１は電
圧検出部９によって検出された二次電池６の電池電圧値
Ｖｎと第２電流調整部４の調整によって得られる理想電
流値Ｉ2と充電電圧Ｖと充電時間Ｔとに基づいて充電後
の二次電池６の充電容量Ｘを計算する（ステップＦ
４）。When the start of charging of the secondary battery 6 is detected by the charge detecting section 8 (step F1), the control section 11 determines whether or not the apparatus body is closed based on a detection signal from the open / close detecting section 10. When the controller 11 determines that the device body is closed (step F2), the controller 11 determines whether the voltage detector 9 is closed.
The battery voltage value Vn of the secondary battery 6 detected by
Based an ideal current value I 1 which is obtained by the adjustment of the current controller 2 to the charging voltage V and the charging time T to calculate the charge capacity X of the secondary battery 6 after charging (step F3), also the device body is opened If it is determined that the battery voltage has been adjusted, the control unit 11 determines the battery voltage value Vn of the secondary battery 6 detected by the voltage detection unit 9 and the ideal current value I 2 obtained by the adjustment of the second current adjustment unit 4. The charge capacity X of the charged secondary battery 6 is calculated based on the charge voltage V and the charge time T (step F).
4).
【００２９】そして、その計算された充電容量Ｘが二次
電池６の最大充電容量Ｘｍに達したと判断された場合
（ステップＦ５）には、強制停止部５を制御して二次電
池６への充電電流の供給を停止して（ステップＦ６）充
電動作を終了し、又計算された充電容量Ｘが二次電池６
の最大充電容量Ｘｍに達する前に充電検出部８によって
二次電池６の充電終了が検出された場合（ステップＦ
７）にも充電動作を終了する。尚、このとき、計算され
た充電容量Ｘは二次電池６の充電容量として図示しない
表示部等によって表示される。If it is determined that the calculated charging capacity X has reached the maximum charging capacity Xm of the secondary battery 6 (step F5), the forced stop unit 5 is controlled to switch to the secondary battery 6. Is stopped (step F6), the charging operation is terminated, and the calculated charging capacity X is stored in the secondary battery 6.
Before the maximum charge capacity Xm of the secondary battery 6 is reached by the charge detection unit 8 (step F).
The charging operation also ends at 7). At this time, the calculated charging capacity X is displayed as a charging capacity of the secondary battery 6 by a display unit (not shown) or the like.
【００３０】従って、上記動作制御によれば、機器本体
が閉成状態にあるか開成状態にあるかに基づいて充電方
法を認識することができると共に、充電器やＰＣカード
スロットからの電源供給における充電電圧や充電電流が
異なる場合であっても、正確に内蔵二次電池の充電容量
を認識することができ、且つ正確に認識された内蔵二次
電池の充電容量に基づいて内蔵二次電池への電源供給を
停止することができ、過充電による内蔵二次電池の破壊
を確実に防止することができる。又、機器本体が閉成状
態にあるか開成状態にあるかに基づいて制御部１１が充
電制御を行うことから、制御部１１を構成する制御用Ｉ
Ｃ等において信号検出用の端子を増加する必要がなくな
り、それに伴って端子数が多い大型ＩＣを使用する必要
がなくなるため、回路規模やコストアップの増大を防止
することができる。Therefore, according to the above operation control, the charging method can be recognized based on whether the device main body is in the closed state or the open state, and the power supply from the charger or the PC card slot can be recognized. Even when the charging voltage and charging current are different, the charging capacity of the built-in secondary battery can be accurately recognized, and the charging capacity of the built-in secondary battery is determined based on the correctly recognized charging capacity of the built-in secondary battery. Power supply can be stopped, and destruction of the built-in secondary battery due to overcharging can be reliably prevented. In addition, since the control unit 11 performs charging control based on whether the device body is in the closed state or the open state, the control I
In C and the like, it is not necessary to increase the number of terminals for signal detection, and accordingly, it is not necessary to use a large-sized IC having a large number of terminals. Therefore, it is possible to prevent an increase in circuit scale and cost.
【００３１】尚、上記動作制御において、負荷回路部７
によって電力を消費している場合、即ち機器本体が駆動
している場合には、制御部１１は強制停止部５を制御し
て第１電流調整部２又は第２電流調整部３によって調整
された充電電流を負荷回路部７に供給する一方、負荷回
路部７において余った分を二次電池６の充電電流として
二次電池６の充電を行うことにより、二次電池６の電池
消費を抑えるようにしている。In the above operation control, the load circuit 7
When the power is consumed by the control unit 11, that is, when the device main body is driven, the control unit 11 controls the forced stop unit 5 and is adjusted by the first current adjustment unit 2 or the second current adjustment unit 3. The charging current is supplied to the load circuit unit 7, and the remaining amount in the load circuit unit 7 is used as the charging current of the secondary battery 6 to charge the secondary battery 6, so that the battery consumption of the secondary battery 6 is suppressed. I have to.
【００３２】又、負荷回路部７における消費電力が変化
する場合であって、その消費電力を第１電流調整部２又
は第２電流調整部３によって調整された充電電流によっ
て賄い切れないときに二次電池１０からの電流供給を行
ったり、又負荷回路部７における消費電力を二次電池１
０で賄い切れないときに第１電流調整部２又は第２電流
調整部３からの電流供給を行うことにより、機器の駆動
の安定化を図るようにしている。In the case where the power consumption in the load circuit section 7 changes and the power consumption cannot be covered by the charging current adjusted by the first current adjusting section 2 or the second current adjusting section 3, The current is supplied from the secondary battery 10 and the power consumption in the load circuit 7 is reduced by the secondary battery 1.
The current is supplied from the first current adjusting unit 2 or the second current adjusting unit 3 when 0 is not enough to stabilize the driving of the device.
【００３３】更に、制御部１１は二次電池６の充電容量
が空きに近づいたと判断されたときに、第１電流調整部
２又は第２電流調整部４を制御して充電電圧や充電電流
を可変することにより、急速充電を行うようにしてい
る。Further, when it is determined that the charging capacity of the secondary battery 6 is almost empty, the control unit 11 controls the first current adjusting unit 2 or the second current adjusting unit 4 to control the charging voltage and the charging current. By making it variable, quick charging is performed.
【００３４】[0034]
【発明の効果】以上のように、請求項１記載の発明によ
れば、機器本体が閉成状態にあるか開成状態にあるかに
基づいて充電方法を認識することにより、充電器やＰＣ
カードスロットからの電源供給における充電電圧や充電
電流が異なる場合であっても、正常に内蔵二次電池の充
電を行うことができ、且つ機器本体が閉成状態にあるか
開成状態にあるかに基づいて充電方法を認識することが
できることから、充電方法を検出するための専用の機構
や回路が必要でなくなると共に、制御部に入力される信
号も従来通りで済み、それに伴って、制御部を構成する
制御用ＩＣ等において信号検出用の端子を増加する必要
がなくなり、端子数が多い大型ＩＣを使用する必要がな
くなるため、回路規模やコストアップの増大を防止する
ことができると共に、機器が大型化するといったことを
防止することができる。As described above, according to the first aspect of the present invention, the charger or the PC is recognized by recognizing the charging method based on whether the device main body is in the closed state or the open state.
Even if the charging voltage and charging current in the power supply from the card slot are different, the built-in secondary battery can be charged normally and whether the device body is in the closed state or the open state Since the charging method can be recognized based on the charging method, a dedicated mechanism or circuit for detecting the charging method is not required, and the signal input to the control unit is the same as the conventional one. It is not necessary to increase the number of terminals for signal detection in the control IC or the like, and it is not necessary to use a large-sized IC having a large number of terminals. Enlargement can be prevented.
【００３５】請求項２記載の発明によれば、機器本体が
閉成状態にあるか開成状態にあるかに基づいて充電方法
を認識して内蔵二次電池の充電量を認識することによ
り、充電器やＰＣカードスロットからの電源供給におけ
る充電電圧や充電電流が異なる場合であっても、正確に
内蔵二次電池の充電容量を認識することができるため、
内蔵二次電池の残量表示等を正確に行うことができる。According to the second aspect of the present invention, the charging method is recognized based on whether the device main body is in the closed state or the open state, and the charge amount of the built-in secondary battery is recognized. Even if the charging voltage or charging current in the power supply from the device or the PC card slot is different, the charging capacity of the built-in secondary battery can be accurately recognized,
The remaining amount of the built-in secondary battery can be accurately displayed.
【００３６】請求項３記載の発明によれば、充電器やＰ
Ｃカードスロットからの電源供給における充電電圧や充
電電流が異なる場合であっても、正確に認識された内蔵
二次電池の充電容量に基づいて内蔵二次電池への電源供
給を停止することができるため、過充電による内蔵二次
電池の破壊を確実に防止することができる。According to the third aspect of the present invention, the charger or P
Even if the charging voltage and charging current in the power supply from the C card slot are different, the power supply to the built-in secondary battery can be stopped based on the correctly recognized charge capacity of the built-in secondary battery. Therefore, destruction of the built-in secondary battery due to overcharging can be reliably prevented.
【００３７】請求項４記載の発明によれば、ＰＣカード
スロットからの電源供給を受けているときに、そのＰＣ
カードスロットからの電源供給によって機器本体を駆動
すると共に、内蔵二次電池から機器本体への電源供給を
抑制又は停止することにより、内蔵二次電池の電力消費
を抑えつつ機器本体を駆動することができるため、内蔵
二次電池により機器本体をより長く使用することができ
る。According to the fourth aspect of the present invention, when power is supplied from the PC card slot, the PC
The device main body is driven by the power supply from the card slot, and the power supply from the built-in secondary battery to the device main body is suppressed or stopped, so that the device main body can be driven while suppressing the power consumption of the built-in secondary battery. Therefore, the device main body can be used longer by the built-in secondary battery.
【００３８】請求項５記載の発明によれば、機器本体が
外部コンピュータのカードスロットに接続されたとき、
機器本体の機構によって機器本体の閉成が禁止されるこ
とにより、使用者において機器本体の状態を意識するこ
となく、正常に内蔵二次電池の充電を行うことができ
る。According to the fifth aspect of the present invention, when the device main body is connected to the card slot of the external computer,
Since the closing of the device main body is prohibited by the mechanism of the device main body, the built-in secondary battery can be normally charged without the user being conscious of the state of the device main body.
【００３９】請求項６記載の発明によれば、機器本体が
専用充電器に載置されたとき、機器本体の機構によって
機器本体が強制的に閉成されることにより、使用者にお
いて機器本体の状態を意識することなく、正常に内蔵二
次電池の充電を行うことができる。According to the sixth aspect of the present invention, when the device main body is placed on the dedicated charger, the device main body is forcibly closed by the mechanism of the device main body, so that the user can remove the device main body. The built-in secondary battery can be charged normally without being conscious of the state.
【図１】本発明の一実施の形態である携帯電子機器の電
気的構成を示す概略機能ブロック図である。FIG. 1 is a schematic functional block diagram showing an electrical configuration of a portable electronic device according to an embodiment of the present invention.
【図２】同携帯電子機器の構造を示す図であり、（ａ）
は開成状態を示す正面図、（ｂ）は開成状態を示す側面
図であるFIG. 2 is a view showing a structure of the portable electronic device, and FIG.
Is a front view showing an opened state, and (b) is a side view showing an opened state.
【図３】同携帯電子機器の構造を示す図であり、（ａ）
は閉成状態を示す正面図、（ｂ）は閉成状態を示す側面
図、（ｃ）は閉成状態を示す後面斜視図である。FIG. 3 is a view showing a structure of the portable electronic device, and FIG.
FIG. 2 is a front view showing a closed state, FIG. 2B is a side view showing a closed state, and FIG. 2C is a rear perspective view showing a closed state.
【図４】同携帯電子機器を充電する充電器の構成を示す
斜視図である。FIG. 4 is a perspective view showing a configuration of a charger for charging the portable electronic device.
【図５】同携帯電子機器と充電器との接続状態を示す図
であり、載置状態における正面斜視図である。FIG. 5 is a diagram showing a connection state between the portable electronic device and a charger, and is a front perspective view in a mounted state.
【図６】同携帯電子機器と充電器との接続状態を示す図
であり、（ａ）は載置状態における側面断面図、（ｂ）
は載置途中における側面断面図である。6A and 6B are diagrams showing a connection state between the portable electronic device and a charger, wherein FIG. 6A is a side sectional view in a mounted state, and FIG.
Is a side cross-sectional view during placement.
【図７】同携帯電子機器と外部コンピュータとの接続状
態を示す正面斜視図である。FIG. 7 is a front perspective view showing a connection state between the portable electronic device and an external computer.
【図８】同携帯電子機器における充電時の動作制御を示
すフローチャート。FIG. 8 is a flowchart showing operation control during charging in the portable electronic device.
１ 充電端子 ２ 第１電流調整部 ３ 接続端子 ４ 第２電流調整部 ５ 強制停止部 ６ 二次電池 ７ 負荷回路部 ８ 充電検出部 ９ 電圧検出部 １０ 開閉検出部 １１ 制御部 DESCRIPTION OF SYMBOLS 1 Charging terminal 2 1st current adjustment part 3 Connection terminal 4 2nd current adjustment part 5 Forcible stop part 6 Secondary battery 7 Load circuit part 8 Charge detection part 9 Voltage detection part 10 Open / close detection part 11 Control part
Claims (6)
を有すると共に、機器本体が閉成状態か開成状態かを検
知し、その検知結果に基づいて各種機能を起動する携帯
電子機器において、 専用充電器から電源供給を得る第１電源手段と、 外部コンピュータのカードスロットから電源供給を得る
第２電源手段と、 上記検知結果に基づいて上記第１電源手段又は第２電源
手段の何れにより内蔵二次電池の充電が行われているか
判断し、その判断結果に基づいて充電制御を行う制御手
段とを設けたことを特徴とする携帯電子機器。1. A portable electronic device in which a cabinet portion has a foldable mechanism, detects whether a device main body is in a closed state or an open state, and activates various functions based on a result of the detection. A first power supply unit for obtaining power supply, a second power supply unit for obtaining power supply from a card slot of an external computer, and a built-in secondary battery, which is selected by the first power supply unit or the second power supply unit based on the detection result. A portable electronic device comprising: a control unit that determines whether charging is being performed and performs charging control based on a result of the determination.
て上記内蔵二次電池の充電容量を認識することを特徴と
する請求項１記載の携帯電子機器。2. The portable electronic device according to claim 1, wherein the control unit recognizes a charge capacity of the built-in secondary battery based on the determination result.
基づいて上記第１電源手段又は第２電源手段による上記
内蔵二次電池の充電を停止させることを特徴とする請求
項２記載の携帯電子機器。3. The portable device according to claim 2, wherein the control means stops charging the built-in secondary battery by the first power supply means or the second power supply means based on the recognized charging capacity. Electronics.
って上記内蔵二次電池の充電が行われていると判断され
たとき、上記第２電源手段によって得られる電源によっ
て機器本体を駆動すると共に、上記内蔵二次電池から機
器本体への電源供給を抑制又は停止することを特徴とす
る請求項１乃至請求項３の何れかに記載の携帯電子機
器。4. When the control means determines that the built-in secondary battery is being charged by the second power supply means, the control means drives an apparatus main body by a power supply obtained by the second power supply means. The portable electronic device according to any one of claims 1 to 3, wherein power supply from the built-in secondary battery to the device main body is suppressed or stopped.
ロットに接続されたとき、機器本体の閉成を禁止する機
構を設けたことを特徴とする請求項１乃至請求項４の何
れかに記載の携帯電子機器。5. The portable device according to claim 1, further comprising a mechanism for prohibiting closing of the device main body when the device main body is connected to a card slot of an external computer. Electronics.
き、機器本体を強制的に閉成する機構を設けたことを特
徴とする請求項１乃至請求項５の何れかに記載の携帯電
子機器。6. The portable device according to claim 1, further comprising a mechanism for forcibly closing the device main body when the device main body is placed on the dedicated charger. Electronics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17382497A JP3351992B2 (en) | 1997-06-30 | 1997-06-30 | Portable electronic devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17382497A JP3351992B2 (en) | 1997-06-30 | 1997-06-30 | Portable electronic devices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1127869A true JPH1127869A (en) | 1999-01-29 |
| JP3351992B2 JP3351992B2 (en) | 2002-12-03 |
Family
ID=15967842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17382497A Expired - Lifetime JP3351992B2 (en) | 1997-06-30 | 1997-06-30 | Portable electronic devices |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3351992B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004260909A (en) * | 2003-02-25 | 2004-09-16 | Canon Inc | Charging equipment for multi-input power |
| JP2008113512A (en) * | 2006-10-31 | 2008-05-15 | Sony Corp | Electronic apparatus, charging method therefor and battery |
| US7432685B2 (en) | 2003-02-25 | 2008-10-07 | Canon Kabushiki Kaisha | Battery charger and control method therefor |
| JP2008278570A (en) * | 2007-04-26 | 2008-11-13 | Kyocera Corp | Portable terminal, and charging method |
-
1997
- 1997-06-30 JP JP17382497A patent/JP3351992B2/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004260909A (en) * | 2003-02-25 | 2004-09-16 | Canon Inc | Charging equipment for multi-input power |
| US7432685B2 (en) | 2003-02-25 | 2008-10-07 | Canon Kabushiki Kaisha | Battery charger and control method therefor |
| JP2008113512A (en) * | 2006-10-31 | 2008-05-15 | Sony Corp | Electronic apparatus, charging method therefor and battery |
| US8198856B2 (en) | 2006-10-31 | 2012-06-12 | Sony Corporation | Electronic apparatus, charging method therefor, and battery |
| JP2008278570A (en) * | 2007-04-26 | 2008-11-13 | Kyocera Corp | Portable terminal, and charging method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3351992B2 (en) | 2002-12-03 |
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