JP2005192392A - Terminal device and power feed device - Google Patents

Terminal device and power feed device Download PDF

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Publication number
JP2005192392A
JP2005192392A JP2005030087A JP2005030087A JP2005192392A JP 2005192392 A JP2005192392 A JP 2005192392A JP 2005030087 A JP2005030087 A JP 2005030087A JP 2005030087 A JP2005030087 A JP 2005030087A JP 2005192392 A JP2005192392 A JP 2005192392A
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Prior art keywords
power supply
charging
communication
resonance
power
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JP2005030087A
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Japanese (ja)
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JP3843998B2 (en
Inventor
Yoshio Maekawa
誉雄 前川
Mikio Naruse
幹夫 成瀬
Nobuhiko Fujii
信彦 藤井
Satoshi Yoshihara
聡 吉原
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Panasonic Holdings Corp
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Matsushita Electric Industrial Co Ltd
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    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a portable terminal device capable of simultaneously executing charging operation and operation, such as communication by suppressing the effects of magnetic field. <P>SOLUTION: The power feeding device is provided with an oscillation means for charging which induces a current, by resonating a resonating means for charging an external terminal device by electromagnetic induction, a power supply feeding means for feeding power to the oscillation means for charging, an oscillation control means for controlling the oscillation of the oscillation means for charging, and a communication means for making communication with the terminal device. The oscillation control means controls the strength of the magnetic field, oscillated by a communication state of the communication means. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、端末装置および給電装置に関するものであり、特に電磁誘導を利用
した非接触充電方式を用いた端末装置および給電装置に関するものである。 The present invention relates to a terminal device and a power feeding device, and more particularly to a terminal device and a power feeding device using a non-contact charging method using electromagnetic induction.

近年、携帯端末のみならず、コードレス電話、電動歯ブラシなど電池を電源に
用いる製品において防水性の向上や充電端子での短絡などを防止するため、電磁
誘導を用いた非接触式の充電方式が多く用いられるようになってきている。 In recent years, not only mobile terminals but also cordless phones, electric toothbrushes, and other products that use batteries as power sources, there are many non-contact charging methods using electromagnetic induction in order to prevent waterproofing and prevent short circuits at charging terminals. It has come to be used.

充電中に端末装置と給電装置間で光通信などを行おうとした際に、通信用の半
導体などが磁界の影響を受け、通信成功率の低下などの現象が起こりやすくなる
。 When optical communication or the like is performed between the terminal device and the power supply device during charging, a communication semiconductor or the like is affected by a magnetic field, and a phenomenon such as a decrease in communication success rate is likely to occur.

本発明は上記のような課題に鑑み、磁界の影響を抑制し充電動作と通信などの
動作を同時に行う携帯端末装置を提供することを目的とする。 In view of the above problems, an object of the present invention is to provide a portable terminal device that suppresses the influence of a magnetic field and simultaneously performs a charging operation and an operation such as communication.

上記目的を解決するために、本発明の端末装置は、給電装置の充電発振手段による電磁誘導により共振し電流を誘起する充電用共振手段と、前記給電装置と通信を行う通信手段と、少なくとも前記通信手段に電力を供給する電池と、前記充電用共振手段が共振動作していることを検出する共振検出手段と、前記共振検出手段が共振動作を検出したことを受けて前記電池の電力供給を可能とする電源供給手段とを備え、前記給電装置に載置され前記電池から前記通信手段に電力が供給されたときに前記給電装置と通信が可能となるものである。   In order to solve the above-described object, a terminal device of the present invention includes a charging resonance unit that resonates by electromagnetic induction by a charging oscillation unit of a power feeding device and induces a current, a communication unit that communicates with the power feeding device, and at least the A battery for supplying power to the communication means, a resonance detection means for detecting that the resonance means for charging is in a resonance operation, and supplying power to the battery in response to the resonance detection means detecting a resonance operation. A power supply unit that enables the power supply device to communicate with the power supply device when power is supplied from the battery to the communication unit.

また、本発明の通信システムは、外部装置と、前記外部装置と通信を行う給電装置と、前記給電装置の充電発振手段による電磁誘導により共振し電流を誘起する充電用共振手段と、前記給電装置と通信を行う通信手段と、少なくとも前記通信手段に電力を供給する電池と、前記充電用共振手段が共振動作していることを検出する共振検出手段と、前記共振検出手段が共振動作を検出したことを受けて前記電池の電力供給を可能とする電源供給手段とを備え、前記給電装置に載置され前記電池から前記通信手段に電力が供給されたときに前記給電装置と通信が可能となる携帯端末とからなるものである。   The communication system of the present invention includes an external device, a power supply device that communicates with the external device, a charging resonance unit that resonates by electromagnetic induction by a charging oscillation unit of the power supply device, and induces a current, and the power supply device Communication means for communicating with, a battery for supplying power to at least the communication means, a resonance detection means for detecting that the charging resonance means is in resonance, and the resonance detection means has detected a resonance operation. Power supply means for enabling power supply of the battery in response to this, and when the power is supplied from the battery to the communication means placed on the power supply apparatus, communication with the power supply apparatus becomes possible It consists of a mobile terminal.

本発明によれば、発振制御手段により磁界の強さを制御するので、通信中などにおいて磁界の強さを制御し影響を抑えることにより充電と通信を同時に行うことができる。   According to the present invention, since the strength of the magnetic field is controlled by the oscillation control means, charging and communication can be performed simultaneously by controlling the strength of the magnetic field and suppressing the influence during communication or the like.

（実施の形態１）
次に、本発明の第１の実施の形態について、図１と図２を使用して説明する。 (Embodiment 1)
Next, a first embodiment of the present invention will be described with reference to FIGS.

図１は本発明の第１の実施の形態における端末装置および給電装置の構成を示
すブロック図である。 FIG. 1 is a block diagram showing configurations of a terminal device and a power feeding device according to the first embodiment of the present invention.

図１は同給電装置の発振制御手段の構成図である。   FIG. 1 is a configuration diagram of oscillation control means of the power feeding device.

端末装置１が給電装置２に置かれると、端末装置１のデータ処理手段１９と例
えば光通信などの通信手段２０および給電装置２のデータ処理手段２１と通信手
段２２により端末装置１と給電装置２間で通信が行われ、低電圧供給手段２３に
よる充電用発振手段３への電力供給が行われ、発振が始まる。このとき、低電圧
で発振させているため発生する磁界は通信に影響が出ない程度の磁界になる。端
末装置１の充電用共振手段４は電磁誘導により電流を誘起する。誘起された電流
は充電制御手段１６により制御され、電池１７に充電される。 When the terminal device 1 is placed on the power supply device 2, the terminal device 1 and the power supply device 2 are connected by the data processing means 19 of the terminal device 1, the communication means 20 such as optical communication, the data processing means 21 of the power supply device 2, and the communication means 22. Communication is performed between them, power is supplied to the charging oscillation means 3 by the low voltage supply means 23, and oscillation starts. At this time, since the oscillation is performed at a low voltage, the generated magnetic field is a magnetic field that does not affect communication. The charging resonance means 4 of the terminal device 1 induces a current by electromagnetic induction. The induced current is controlled by the charge control means 16 and the battery 17 is charged.

端末装置１と給電装置２間で必要なデータについて通信を終えると、給電装置
２は高電圧供給手段２３から充電用発振手段３への電力供給に切換える。このと
き発生する磁界は低電圧の時より強くなるため、端末装置１の得られる電流も大
きくなり、通信中の時より急速に充電を行うことができる。 When communication is completed for necessary data between the terminal device 1 and the power supply device 2, the power supply device 2 switches to power supply from the high voltage supply means 23 to the charging oscillation means 3. Since the magnetic field generated at this time is stronger than when the voltage is low, the current obtained by the terminal device 1 is also increased, and charging can be performed more rapidly than during communication.

このように充電中の磁界の強さを制御するので、通信中などにおいて磁界の強
さを制御し影響を抑えることにより、充電動作と通信動作などを同時に行うこと
ができ、通信が終わると急速充電を行うことができる。 Since the strength of the magnetic field during charging is controlled in this way, the charging operation and the communication operation can be performed simultaneously by controlling the magnetic field strength during communication and suppressing the influence. Charging can be performed.

なお本実施の形態では端末装置１と給電装置２間での通信を例としているが、
例えば端末装置１に無線通信手段が備えてあり、充電中に給電装置２以外の無線
通信手段を備えている装置との間で無線通信を行う場合にも、上記と同様磁界の
強度を変えることにより無線への磁界の影響を抑え、充電動作と無線通信を同時
に行うことができる。 In the present embodiment, communication between the terminal device 1 and the power feeding device 2 is taken as an example.
For example, when the terminal device 1 is provided with wireless communication means and wireless communication is performed with a device provided with wireless communication means other than the power feeding device 2 during charging, the magnetic field strength is changed in the same manner as described above. Thus, the influence of the magnetic field on the radio can be suppressed, and the charging operation and the radio communication can be performed simultaneously.

なお、磁界の強さを変えることによって温度上昇も変化するので、例えば、冬
季には高電圧による充電を行い、温度上昇の厳しい夏期には低電圧による充電を
行うなど、季節・時間・場所などによって充電時の磁界の強さを変更することも
できる。
（実施の形態２）
次に、本発明の第２の実施の形態について、図３を使用して説明する。 The temperature rise also changes by changing the strength of the magnetic field, so for example, charging with high voltage in winter and charging with low voltage in summer when temperature rise is severe, such as season, time, place, etc. It is also possible to change the strength of the magnetic field during charging.
(Embodiment 2)
Next, a second embodiment of the present invention will be described with reference to FIG.

図３は本発明の第２の実施の形態における端末装置および給電装置の構成を示
すブロック図である。 FIG. 3 is a block diagram showing the configuration of the terminal device and the power feeding device according to the second embodiment of the present invention.

発振が始まるまでの動作は第１の実施の形態と同様のため説明を省略する。デ
ータ処理手段１９や通信手段２０などへの電池１７からの電力供給をＯＮ／ＯＦ
Ｆする電源ＯＮ／ＯＦＦ手段２５がＯＦＦの状態での端末装置１が給電装置２に
置かれると、給電装置２の発振が始まる。端末装置１の充電用共振手段４が共振
すると、充電制御手段１６に電流を供給すると同時に、共振検出手段２６によっ
て共振が始まったことを検出する。共振検出手段２６は、データ処理手段１９や
通信手段２０などへの電池１７からの電力供給をＯＮ／ＯＦＦする電源ＯＮ／Ｏ
ＦＦ手段２５をＯＮ動作し、データ処理手段１９や通信手段２０などが動作し始
め、端末装置１と給電装置２間との通信が始まる。 Since the operation until the oscillation starts is the same as that of the first embodiment, the description is omitted. ON / OF power supply from the battery 17 to the data processing means 19 and the communication means 20
When the terminal device 1 is placed on the power feeding device 2 with the power ON / OFF means 25 to be turned off, the power feeding device 2 starts to oscillate. When the charging resonance means 4 of the terminal device 1 resonates, a current is supplied to the charging control means 16 and at the same time, the resonance detection means 26 detects that resonance has started. The resonance detection means 26 is a power ON / O that turns ON / OFF the power supply from the battery 17 to the data processing means 19, the communication means 20, and the like.
The FF unit 25 is turned on, the data processing unit 19 and the communication unit 20 start to operate, and communication between the terminal device 1 and the power feeding device 2 starts.

さらに具体的な例を説明する。   A more specific example will be described.

端末装置１内に蓄積したデータを給電装置２を通して他のコンピュータなどへ
通信する場合に、作業者は端末装置１の電源ＯＮ／ＯＦＦ状態を気にすることな
く給電装置２に置く。給電装置２に置かれた端末装置１は上記動作により自動的
に電源ＯＮ状態になり、給電装置２を通してコンピュータへデータの送信を始め
る。データの送信を終了すると、端末装置１は自動的に電源をＯＦＦする。この
間も給電装置からの電磁誘導による電力供給は行われている。 When communicating data stored in the terminal device 1 to another computer or the like through the power supply device 2, the worker puts the data in the power supply device 2 without worrying about the power ON / OFF state of the terminal device 1. The terminal device 1 placed on the power supply device 2 is automatically turned on by the above operation, and starts transmitting data to the computer through the power supply device 2. When the data transmission is completed, the terminal device 1 automatically turns off the power. During this time, power supply by electromagnetic induction from the power feeding device is performed.

このように、電源がＯＦＦの状態で端末装置１側で給電装置２に置かれたこと
を検出することができ、また検出に物理的なスイッチなどを必要とせず、端末装
置１の防水性を向上させデザインの自由度を向上させることができる。 In this way, it is possible to detect that the terminal device 1 is placed on the power supply device 2 with the power off, and no physical switch or the like is required for the detection, and the waterproof property of the terminal device 1 is improved. The degree of freedom in design can be improved.

本発明は、電磁誘導を利用した非接触充電方式を用いた端末装置および給電装置に利用でき、通信中などにおいて磁界の強さを制御し影響を抑えることにより充電と通信を同時に行うことができる。   INDUSTRIAL APPLICABILITY The present invention can be used for a terminal device and a power supply device that use a non-contact charging method using electromagnetic induction, and can perform charging and communication simultaneously by controlling the strength of a magnetic field and suppressing the influence during communication or the like. .

本発明の第１の実施の形態における端末装置および給電装置の構成を示すブロック図The block diagram which shows the structure of the terminal device and electric power feeder in the 1st Embodiment of this invention 同給電装置の発振制御手段の構成図Configuration diagram of oscillation control means of the power feeding device 本発明の第２の実施の形態における端末装置および給電装置の構成を示すブロック図The block diagram which shows the structure of the terminal device and electric power feeder in the 2nd Embodiment of this invention

符号の説明Explanation of symbols

１ 端末装置
２ 給電装置
３ 充電用発振手段（発振用コイル）
４ 充電用共振手段（共振用コイル）
１５ 電源供給手段
１６ 充電制御手段
１７ 電池
１８ 発振制御手段
１９ 端末装置のデータ処理手段
２０ 端末装置の通信手段
２１ 給電装置のデータ処理手段
２２ 給電装置の通信手段
２３ 低電圧供給手段
２４ 高電圧供給手段
２５ 電源ON/OFF手段
２６ 共振検出手段

1 Terminal Device 2 Power Supply Device 3 Charging Oscillating Means (Oscillation Coil)
4 Charging resonance means (resonance coil)
DESCRIPTION OF SYMBOLS 15 Power supply means 16 Charge control means 17 Battery 18 Oscillation control means 19 Data processing means of a terminal device 20 Communication means of a terminal device 21 Data processing means of a power supply device 22 Communication means of a power supply device 23 Low voltage supply means 24 High voltage supply means 25 Power ON / OFF means 26 Resonance detection means

Claims (2)

給電装置の充電発振手段による電磁誘導により共振し電流を誘
起する充電用共振手段と、前記給電装置と通信を行う通信手段と、少なくとも前
記通信手段に電力を供給する電池と、前記充電用共振手段が共振動作しているこ
とを検出する共振検出手段と、前記共振検出手段が共振動作を検出したことを受
けて前記電池の電力供給を可能とする電源供給手段とを備え、前記給電装置に載
置され前記電池から前記通信手段に電力が供給されたときに前記給電装置と通信
が可能となる端末装置。 Charging resonance means that resonates by electromagnetic induction by the charging oscillation means of the power supply apparatus and induces current, communication means that communicates with the power supply apparatus, a battery that supplies power to at least the communication means, and the charging resonance means Resonance detecting means for detecting that the battery is resonating, and power supply means for enabling power supply of the battery in response to the resonance detecting means detecting the resonance operation. And a terminal device capable of communicating with the power supply device when power is supplied from the battery to the communication means. 外部装置と、前記外部装置と通信を行う給電装置と、前記給電
装置の充電発振手段による電磁誘導により共振し電流を誘起する充電用共振手段
と、前記給電装置と通信を行う通信手段と、少なくとも前記通信手段に電力を供
給する電池と、前記充電用共振手段が共振動作していることを検出する共振検出
手段と、前記共振検出手段が共振動作を検出したことを受けて前記電池の電力供
給を可能とする電源供給手段とを備え、前記給電装置に載置され前記電池から前
記通信手段に電力が供給されたときに前記給電装置と通信が可能となる携帯端末
とからなる通信システム。 An external device, a power supply device that communicates with the external device, a charging resonance device that resonates by electromagnetic induction by a charging oscillation unit of the power supply device and induces a current, a communication device that communicates with the power supply device, and at least A battery for supplying power to the communication means; a resonance detecting means for detecting that the charging resonance means is in a resonance operation; and a power supply for the battery in response to the resonance detection means detecting a resonance operation. A power supply means for enabling communication, and a communication system comprising a portable terminal that is mounted on the power supply apparatus and capable of communicating with the power supply apparatus when power is supplied from the battery to the communication means.
JP2005030087A 1997-09-16 2005-02-07 Power supply apparatus and communication system Expired - Lifetime JP3843998B2 (en)

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JP25022597A JP3430877B2 (en) 1997-09-16 1997-09-16 Terminal device and power supply device
JP2005030087A JP3843998B2 (en) 1997-09-16 2005-02-07 Power supply apparatus and communication system

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JP2002290930A Division JP3923402B2 (en) 1997-09-16 2002-10-03 Power supply device and data communication system

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JP3843998B2 JP3843998B2 (en) 2006-11-08

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JP2005030087A Expired - Lifetime JP3843998B2 (en) 1997-09-16 2005-02-07 Power supply apparatus and communication system

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US8680715B2 (en) 2009-05-13 2014-03-25 Canon Kabushiki Kaisha Power supplying device, control method for the same, and power-supplying system

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JP3430877B2 (en) 2003-07-28
JPH1198705A (en) 1999-04-09

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