JP2009225622A - Portable type communication device - Google Patents

Portable type communication device Download PDF

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JP2009225622A
JP2009225622A JP2008069709A JP2008069709A JP2009225622A JP 2009225622 A JP2009225622 A JP 2009225622A JP 2008069709 A JP2008069709 A JP 2008069709A JP 2008069709 A JP2008069709 A JP 2008069709A JP 2009225622 A JP2009225622 A JP 2009225622A
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secondary battery
communication device
portable communication
piezoelectric element
power
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Hideo Hata
英夫 畑
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NEC Corp
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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
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    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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    • Y02E60/10—Energy storage using batteries

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Abstract

<P>PROBLEM TO BE SOLVED: To charge a secondary battery used as a power supply with a small, simple configuration without using an external power supply and an external apparatus. <P>SOLUTION: A portable telephone 10 has a plurality of input keys to be operated for communication, and uses the secondary battery as the power supply. Piezoelectric elements are disposed in a power generating section 23 at positions corresponding to the respective input key, and each piezoelectric element generates power by operating the input keys. A booster circuit 31 boosts outputs from the piezoelectric elements at proper voltages for charging and charges the secondary battery 14. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、携帯電話等の携帯型通信装置に関し、特に、通信時に操作される複数の入力キーを有し、電源として２次電池を用いる携帯型通信装置に関する。   The present invention relates to a portable communication device such as a mobile phone, and more particularly to a portable communication device having a plurality of input keys operated during communication and using a secondary battery as a power source.

従来から、携帯電話等の携帯通信機器が利用されている。
携帯通信機器の発達により通信機能のみならずマルチメディア端末としての進化を加速させている。
携帯通信機器の多機能化、利便性の向上にともない、機器の消費電力が増大し電池の消耗が激しくなり、外出先において電池が切れるケースが多くみられる。
電池切れによって携帯通信機器として使用できなくなること及び保存しているデータを全く参照できなくなることは致命的であり、また、電池切れに対応するためには常に外部の充電機器を携帯する必要があり不便極まりない。 Conventionally, mobile communication devices such as mobile phones have been used.
With the development of mobile communication devices, not only communication functions but also evolution as multimedia terminals is being accelerated.
With the increase in functionality and convenience of portable communication devices, the power consumption of the devices increases and the consumption of the batteries becomes severe, so that there are many cases where the batteries run out while away from home.
It is fatal that the battery cannot be used as a portable communication device due to running out of battery and that stored data cannot be referenced at all, and it is always necessary to carry an external charging device to cope with running out of battery. There is no inconvenience.

一方、特許文献１には、機体内部に振り子式磁極を設け、身体が揺れるときに前記振り子式磁極が往復して発電し、携帯電話を充電する携帯電話用携帯型充電装置が開示されている。前記携帯型充電装置は、携帯電話と別体に構成されており、携帯電話とは別に携帯する必要があるため、前述したように不便極まりないという問題がある。   On the other hand, Patent Document 1 discloses a portable charging device for a mobile phone in which a pendulum magnetic pole is provided inside the fuselage, and the pendulum magnetic pole reciprocates when the body shakes to generate power and charge the mobile phone. . Since the portable charging device is configured separately from the cellular phone and needs to be carried separately from the cellular phone, there is a problem that it is not inconvenient as described above.

特許文献２には、キーによって圧電素子に圧力を加えて発電するようにしたノート型パソコン等の情報処理機器が開示されている。前記情報処理機器では、単に圧電素子で発生する電力を電源として利用しているにすぎないため、機器に必要な電圧の電力が得られない恐れがある。
また、特許文献３には、携帯電話機用充電機構が開示されている。前記充電機構では、磁気を帯びた部分と誘導コイルとを用いた構成である。したがって、構造が大きくなるため、携帯電話等に用いる場合には、小型化が困難になるという問題がある。 Patent Document 2 discloses an information processing device such as a notebook computer that generates power by applying pressure to a piezoelectric element with a key. Since the information processing device simply uses the power generated by the piezoelectric element as a power source, there is a possibility that the power of the voltage necessary for the device cannot be obtained.
Patent Document 3 discloses a charging mechanism for a mobile phone. The charging mechanism uses a magnetic part and an induction coil. Therefore, since the structure becomes large, there is a problem that it is difficult to reduce the size when used in a mobile phone or the like.

実用新案登録第３０７６４８１号公報Utility Model Registration No. 3076481 特開２００１−１５４７８３号公報JP 2001-154783 A 特開２００３−２９８７３１号公報JP 2003-298731 A

本発明は、外部電源、外部機器を使用することなく、小型且つ簡単な構成で、電源として用いる２次電池を充電できるようにすることを課題としている。   An object of the present invention is to be able to charge a secondary battery used as a power source with a small and simple configuration without using an external power source or an external device.

本発明によれば、通信時に操作される複数の入力キーを有し、電源として２次電池を用いる携帯型通信装置において、前記入力キーに対応する位置に配設され、前記入力キーの操作によって電力を発生する複数の圧電素子と、前記圧電素子の出力を所定の電圧に変換して前記２次電池を充電する電圧変換手段とを備えて成ることを特徴とする携帯型通信装置が提供される。
入力キーに対応する位置に配設された圧電素子は、前記入力キーの操作によって電力を発生する。電圧変換手段は、前記圧電素子の出力を所定の電圧に変換して、電源として用いられる２次電池を充電する。 According to the present invention, in a portable communication device having a plurality of input keys operated at the time of communication and using a secondary battery as a power source, the portable communication device is disposed at a position corresponding to the input key, and is operated by operating the input key. Provided is a portable communication device comprising: a plurality of piezoelectric elements that generate electric power; and voltage conversion means for charging the secondary battery by converting the output of the piezoelectric elements into a predetermined voltage. The
A piezoelectric element disposed at a position corresponding to the input key generates electric power by operating the input key. The voltage conversion means converts the output of the piezoelectric element into a predetermined voltage and charges a secondary battery used as a power source.

ここで、前記入力キーは押圧操作するように構成され、前記圧電素子は前記入力キーが押圧操作されることによって電力を発生するように構成してもよい。
また、前記電圧変換手段は、複数の前記圧電素子の出力を所定の電圧に変換して前記２次電池を充電するように構成してもよい。
また、前記電圧変換手段は、前記圧電素子の出力を昇圧する昇圧手段を有するように構成してもよい。 Here, the input key may be configured to be pressed, and the piezoelectric element may be configured to generate electric power when the input key is pressed.
The voltage conversion means may be configured to charge the secondary battery by converting the outputs of the plurality of piezoelectric elements into a predetermined voltage.
In addition, the voltage conversion unit may include a boosting unit that boosts the output of the piezoelectric element.

本発明に係る携帯型通信装置によれば、外部電源、外部機器を使用することなく、小型且つ簡単な構成で、電源として用いる２次電池を充電することが可能になる。   According to the portable communication device of the present invention, it is possible to charge a secondary battery used as a power source with a small and simple configuration without using an external power source or an external device.

以下、本発明の実施の形態に係る携帯型通信装置について説明する。尚、各図において、同一部分には同一符号を付している。
図１は、本発明の実施の形態に係る携帯型通信装置のブロック図であり、携帯電話の例を示している。 Hereinafter, a portable communication device according to an embodiment of the present invention will be described. In the drawings, the same parts are denoted by the same reference numerals.
FIG. 1 is a block diagram of a portable communication device according to an embodiment of the present invention, showing an example of a cellular phone.

図１において、携帯電話１０は、表示部１１、通信時に使用する複数のキーによって構成された操作部１２、２次電池１４を充電する充電部１３、携帯電話１０の電源として用いられる２次電池１４、中央処理装置（ＣＰＵ）によって構成され携帯電話１０の各構成要素を制御する制御部１５、制御部１５が実行するプログラムや電子メール等の各種データを記憶するメモリ１６、アンテナ１８を介して無線によって信号の送受信を行う無線部１７、アンテナ１８、音声や報知音を出力するレシーバ１９、音声を入力するマイク２０を備えている。   In FIG. 1, a mobile phone 10 includes a display unit 11, an operation unit 12 constituted by a plurality of keys used during communication, a charging unit 13 for charging a secondary battery 14, and a secondary battery used as a power source for the mobile phone 10. 14, a control unit 15 configured by a central processing unit (CPU) and controlling each component of the mobile phone 10, a memory 16 storing various data such as programs executed by the control unit 15 and e-mail, and an antenna 18 A wireless unit 17 that transmits and receives signals wirelessly, an antenna 18, a receiver 19 that outputs sound and notification sound, and a microphone 20 that inputs sound are provided.

ここで、操作部１２は操作手段を構成し、充電部１３は充電手段を構成している。制御部１５は制御手段を構成し、無線部１７及びアンテナ１８は送受信手段を構成し、メモリ１６は記憶手段を構成している。
図２は、本発明の実施の形態に係る携帯電話１０の一部構成を示すブロック図である。 Here, the operation unit 12 constitutes an operation unit, and the charging unit 13 constitutes a charging unit. The control unit 15 constitutes a control unit, the radio unit 17 and the antenna 18 constitute a transmission / reception unit, and the memory 16 constitutes a storage unit.
FIG. 2 is a block diagram showing a partial configuration of mobile phone 10 according to the embodiment of the present invention.

図２において、操作部１２は、押圧操作加工に構成された複数の入力キー２１を備えている。また、電力発生部２３は、各入力キー２１に対応する位置に配設された複数の圧電素子２２を備えている。各入力キー２１は人の指により押圧操作されることにより、押圧操作された入力キー２１に下に対応して配設された圧電素子２２を加圧する。各加圧された圧電素子２２は起電力を発生させ、複数の圧電素子２２が発生したエネルギは後述する昇圧回路３１へ出力される。尚、電力発生部２３は電力発生手段を構成している。   In FIG. 2, the operation unit 12 includes a plurality of input keys 21 configured for pressing operation processing. The power generation unit 23 includes a plurality of piezoelectric elements 22 disposed at positions corresponding to the input keys 21. Each input key 21 is pressed by a human finger to pressurize the piezoelectric element 22 disposed below the input key 21 that has been pressed. Each pressurized piezoelectric element 22 generates an electromotive force, and energy generated by the plurality of piezoelectric elements 22 is output to a booster circuit 31 described later. The power generation unit 23 constitutes a power generation unit.

図３は、本発明の実施の形態に係る携帯電話１０における充電に関連する部分を示すブロック図である。
図３において、電力発生部２３によって発生した電力を昇圧回路３１に入力して、電力発生部２３が発生した電力の電圧を昇圧回路３１によって昇圧し、２次電池１４を充電するのに適切な電圧に変換する。尚、昇圧回路３１は電圧変換手段、昇圧手段を構成している。
昇圧された電圧は携帯電話１０に内蔵された２次電池１４を充電する。尚、２次電池１４は従来から用いられている公知の外部充電システム３２とも接続されており、外部電源３３から充電システム３２を介して充電される機能も有している。 FIG. 3 is a block diagram showing portions related to charging in the mobile phone 10 according to the embodiment of the present invention.
In FIG. 3, the power generated by the power generator 23 is input to the booster circuit 31, and the voltage of the power generated by the power generator 23 is boosted by the booster circuit 31 to charge the secondary battery 14. Convert to voltage. The booster circuit 31 constitutes voltage converting means and boosting means.
The boosted voltage charges the secondary battery 14 built in the mobile phone 10. The secondary battery 14 is also connected to a known external charging system 32 that has been used conventionally, and has a function of being charged from the external power supply 33 via the charging system 32.

以上説明したように、本実施の形態に係る携帯電話１０は、入力インターフェースである操作部１２の複数のキー２１の下に対応付けて複数の圧電素子２２を配置する。各圧電素子２２は対応するキー２１を押すことにより加圧され起電力が生じる。複数の圧電素子２２より生じた電圧を昇圧回路３１に入力させ充電に適切な電圧に変換させる。昇圧された電圧を２次電池１４に供給させ充電させる。   As described above, the cellular phone 10 according to the present embodiment arranges the plurality of piezoelectric elements 22 in association with the plurality of keys 21 of the operation unit 12 that is an input interface. Each piezoelectric element 22 is pressurized by pressing a corresponding key 21 to generate an electromotive force. Voltages generated from the plurality of piezoelectric elements 22 are input to the booster circuit 31 and converted to voltages suitable for charging. The boosted voltage is supplied to the secondary battery 14 and charged.

このように、携帯電話１０は、通信時に操作される複数の入力キーを有し、電源として２次電池を用いている。各入力キーに対応する位置には、電力発生部２３内に圧電素子が配設され、各圧電素子は前記入力キーの操作によって電力を発生する。昇圧回路３１は、前記圧電素子の出力を充電に適した電圧に昇圧して２次電池１４を充電する。   Thus, the mobile phone 10 has a plurality of input keys operated during communication, and uses a secondary battery as a power source. Piezoelectric elements are disposed in the power generation unit 23 at positions corresponding to the input keys, and each piezoelectric element generates power by operating the input keys. The booster circuit 31 boosts the output of the piezoelectric element to a voltage suitable for charging and charges the secondary battery 14.

したがって、外部電源、外部機器を使用することなく、小型且つ簡単な構成で、電源として用いる２次電池を充電することが可能になる。
また、入力キー２１に対向させて圧電素子２２を配置することによって発生する電力により、外部電源、外部機器を用いずに携帯電話１０単体で充電できる。これにより、電池切れの場合でも入力キー２１を押圧操作することにより再び電源ＯＮが可能となり、また普段使用する場合においても自然と電池１４の持ちがよくなるという効果を奏する。 Therefore, it is possible to charge a secondary battery used as a power source with a small and simple configuration without using an external power source or an external device.
Further, the power generated by disposing the piezoelectric element 22 so as to face the input key 21 can be charged by the mobile phone 10 alone without using an external power source or an external device. As a result, even when the battery is dead, the power can be turned on again by pressing the input key 21, and the battery 14 can be naturally held better even in normal use.

携帯電話１０の入力キー２１下に圧電素子２２を配置させることで生じさせる起電力を用いて２次電池１４を充電させるようにしたので、外部電源、外部機器を用いることなく携帯通信機器を充電させることができる。
尚、前記実施の形態では、携帯型通信装置が携帯電話の例で説明したが、ＰＨＳ（Personal Handyphone System）、ＰＤＡ（Personal Data Assistance,Personal Digital Assistants：個人向け携帯型情報通信機器）等の通信機能を有する通信装置にも利用可能である。 Since the secondary battery 14 is charged using the electromotive force generated by placing the piezoelectric element 22 under the input key 21 of the mobile phone 10, the mobile communication device can be charged without using an external power source or an external device. Can be made.
In the above-described embodiment, the portable communication device has been described as an example of a mobile phone, but communication such as PHS (Personal Handyphone System), PDA (Personal Data Assistance, Personal Digital Assistants). It can also be used for a communication device having a function.

携帯電話、ＰＨＳ、ＰＤＡ等の携帯型通信装置に利用可能である。   It can be used for portable communication devices such as mobile phones, PHS, and PDAs.

本発明の実施の形態に係る携帯型通信装置のブロック図である。1 is a block diagram of a portable communication device according to an embodiment of the present invention. 本発明の実施の形態に係る携帯型通信装置の部分ブロック図である。It is a partial block diagram of the portable communication apparatus which concerns on embodiment of this invention. 本発明の実施の形態に係る携帯型通信装置の部分ブロック図である。It is a partial block diagram of the portable communication apparatus which concerns on embodiment of this invention.

符号の説明Explanation of symbols

１０・・・携帯電話
１１・・・表示部
１２・・・操作部１２
１３・・・充電部
１４・・・２次電池
１５・・・制御部
１６・・・メモリ
１７・・・無線部
１８・・・アンテナ
１９・・・レシーバ
２０・・・マイク
２１・・・入力キー
２２・・・圧電素子
２３・・・電力発生部
３１・・・昇圧回路
３２・・・充電システム
３３・・・外部電源 DESCRIPTION OF SYMBOLS 10 ... Mobile phone 11 ... Display part 12 ... Operation part 12
DESCRIPTION OF SYMBOLS 13 ... Charging part 14 ... Secondary battery 15 ... Control part 16 ... Memory 17 ... Radio | wireless part 18 ... Antenna 19 ... Receiver 20 ... Microphone 21 ... Input Key 22 ... Piezoelectric element 23 ... Power generating unit 31 ... Boosting circuit 32 ... Charging system 33 ... External power supply

Claims (4)

通信時に操作される複数の入力キーを有し、電源として２次電池を用いる携帯型通信装置において、
前記入力キーに対応する位置に配設され、前記入力キーの操作によって電力を発生する複数の圧電素子と、
前記圧電素子の出力を所定の電圧に変換して前記２次電池を充電する電圧変換手段とを備えて成ることを特徴とする携帯型通信装置。 In a portable communication device having a plurality of input keys operated during communication and using a secondary battery as a power source,
A plurality of piezoelectric elements disposed at positions corresponding to the input keys and generating electric power by operating the input keys;
A portable communication device comprising voltage conversion means for converting the output of the piezoelectric element into a predetermined voltage to charge the secondary battery. 前記入力キーは押圧操作するように構成され、前記圧電素子は前記入力キーが押圧操作されることによって電力を発生することを特徴とする請求項１記載の携帯型通信装置。   The portable communication device according to claim 1, wherein the input key is configured to be pressed, and the piezoelectric element generates electric power when the input key is pressed. 前記電圧変換手段は、複数の前記圧電素子の出力を所定の電圧に変換して前記２次電池を充電することを特徴とする請求項１又は２記載の携帯型通信装置。   3. The portable communication device according to claim 1, wherein the voltage conversion unit converts the outputs of the plurality of piezoelectric elements into a predetermined voltage to charge the secondary battery. 前記電圧変換手段は、前記圧電素子の出力を昇圧する昇圧手段を有することを特徴とする請求項１乃至３のいずれか一に記載の携帯型通信装置。   The portable communication device according to claim 1, wherein the voltage conversion unit includes a boosting unit that boosts the output of the piezoelectric element.
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