JP2003299255A - Portable battery charger - Google Patents

Portable battery charger

Info

Publication number
JP2003299255A
JP2003299255A JP2002099691A JP2002099691A JP2003299255A JP 2003299255 A JP2003299255 A JP 2003299255A JP 2002099691 A JP2002099691 A JP 2002099691A JP 2002099691 A JP2002099691 A JP 2002099691A JP 2003299255 A JP2003299255 A JP 2003299255A
Authority
JP
Japan
Prior art keywords
charging device
portable
charging
portable charging
electric
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
JP2002099691A
Other languages
Japanese (ja)
Inventor
Junichi Owaki
純一 大脇
Yasumichi Kanai
康通 金井
Toshihiko Ishiyama
俊彦 石山
Masato Mino
正人 三野
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP2002099691A priority Critical patent/JP2003299255A/en
Publication of JP2003299255A publication Critical patent/JP2003299255A/en
Pending legal-status Critical Current

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
    • 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

Landscapes

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

Abstract

<P>PROBLEM TO BE SOLVED: To provide a portable battery charger which is chargeable for a portable appliance even in such a place that no commercial power supply is available, repeatedly usable with no waste generated, and which is economical because of only a small amount of electricity charges incurred at every charging, clean and convenient. <P>SOLUTION: This portable battery charger 8 is equipped at least with a receiving device 9 which receives electric energy provided from the outside with no contact, a storage means 10 for storing received electric energy, and an electricity output control device 11 for controlling and outputting stored electric energy. The charger 8 employs an electric double layer capacitor as the storage means 10. <P>COPYRIGHT: (C)2004,JPO

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【発明の属する技術分野】本発明は、携帯機器等に内蔵
されている蓄電池等に電力を供給する充電装置に係り、
特に携帯中でも充電動作が可能な携帯型充電装置に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a charging device for supplying electric power to a storage battery or the like built in a portable device or the like,
In particular, the present invention relates to a portable charging device that can be charged even while being carried.

【０００２】[0002]

【従来の技術】従来、携帯電話等の携帯型電子機器（以
下、携帯機器と言う）に内蔵された蓄電池を充電する場
合、商用電力を電力源とする充電装置に、電力供給を接
触で行う場合には上記携帯機器を接続して充電動作を行
い、また、電力供給を非接触で行う場合には上記携帯機
器をしかるべき位置に接近させて充電動作を行ってい
た。ここで、従来の一般的な充電装置の例として、電力
供給を接触型で行う充電装置の構成を図３に模式的に示
す。１は商用電源、２は充電装置（従来の装置）、３は
携帯機器である。充電装置２は、変圧器４、整流器５、
平滑回路６から構成され、また、携帯機器３には蓄電池
が内蔵されている。2. Description of the Related Art Conventionally, when a storage battery built in a portable electronic device such as a mobile phone (hereinafter referred to as a portable device) is charged, power is supplied by contact with a charging device using commercial power as a power source. In this case, the portable device is connected to perform the charging operation, and when the power is supplied in a contactless manner, the portable device is brought close to an appropriate position to perform the charging operation. Here, as an example of a conventional general charging device, a configuration of a charging device that supplies power in a contact type is schematically shown in FIG. Reference numeral 1 is a commercial power source, 2 is a charging device (conventional device), and 3 is a portable device. The charging device 2 includes a transformer 4, a rectifier 5,
It is composed of the smoothing circuit 6, and the mobile device 3 has a built-in storage battery.

【０００３】次に、図３を用いて、充電装置２における
充電動作を説明する。充電装置２は、商用電源１と携帯
機器３との間に接続される。商用電源１の、例えば電圧
１００Ｖの交流電力は、充電装置２の変圧器４で、携帯
機器３に適した電圧（交流）に変換され、整流器５と平
滑回路６とで、携帯機器３に適した直流電圧、例えば直
流５Ｖに変換された後、携帯機器３に供給される。携帯
機器３では、供給された直流電力により、内蔵している
蓄電池を充電する。また、緊急時等の用途に、乾電池等
を電力源とする携帯型の充電装置が、一部ではあるが市
販されている。Next, the charging operation of the charging device 2 will be described with reference to FIG. The charging device 2 is connected between the commercial power supply 1 and the mobile device 3. AC power of the commercial power supply 1 having a voltage of 100 V, for example, is converted into a voltage (AC) suitable for the mobile device 3 by the transformer 4 of the charging device 2, and suitable for the mobile device 3 by the rectifier 5 and the smoothing circuit 6. It is supplied to the mobile device 3 after being converted into a direct current voltage, for example, a direct current of 5V. In the mobile device 3, the built-in storage battery is charged by the supplied DC power. In addition, a portable charging device that uses a dry battery or the like as a power source is commercially available, although in part, for use in emergencies and the like.

【０００４】[0004]

【発明が解決しようとする課題】従来の充電装置２で
は、電力源として商用電源１を用いているため、商用電
源１のない場所では携帯機器３に対して充電動作を行う
ことができないという問題がある。また、乾電池等を電
力源とする緊急時用の携帯型充電装置では、電力源であ
る乾電池は１回の充電動作だけで電力源としての機能を
失ってしまい再使用することができずに廃棄物となるた
め、充電の都度に新しい乾電池が必要となり、新品乾電
池の購入および使用済み乾電池の廃棄処分のためにコス
トがかかるという問題がある。さらに、地球環境的な見
地、すなわち資源の有効活用の観点からも好ましくな
い。Since the conventional charging device 2 uses the commercial power source 1 as a power source, the charging operation cannot be performed on the portable device 3 in a place where the commercial power source 1 is not present. There is. In the case of an emergency portable charging device that uses a dry battery as a power source, the dry battery that is a power source loses its function as a power source after only one charging operation and cannot be reused, and is therefore discarded. Since it becomes a waste, a new dry battery is required every time it is charged, and there is a problem that it costs money to purchase a new dry battery and dispose of a used dry battery. Further, it is not preferable from the viewpoint of global environment, that is, from the viewpoint of effective use of resources.

【０００５】本発明の目的は、上記従来技術における問
題点を解消するものであって、商用電源のない場所であ
っても携帯機器に対して充電動作を行うことができ、ま
た、廃棄物を出すことなく、繰返して使用が可能で、し
かも、充電の度にかかるコストもわずかな電気代だけで
済み、経済的でクリーンかつ利便性の高い携帯型充電装
置を提供することにある。An object of the present invention is to solve the above-mentioned problems in the prior art. It is possible to perform a charging operation on a portable device even in a place where there is no commercial power source, and to eliminate waste. An object of the present invention is to provide an economical, clean, and convenient portable charging device that can be repeatedly used without taking out the battery, and that the cost for charging is only a small electricity bill.

【０００６】[0006]

【課題を解決するための手段】上記目的を達成するため
に、本発明は特許請求の範囲に記載のような構成とする
ものである。すなわち、請求項１に記載のように、外部
から供給される電気エネルギーを非接触で受取る受電手
段と、受取った電気エネルギーを蓄積する電気二重層コ
ンデンサからなる蓄電手段と、蓄積した電気エネルギー
を制御して出力する電気出力制御手段とを少なくとも備
えた携帯型充電装置とするものである。In order to achieve the above object, the present invention has a structure as described in the claims. That is, as described in claim 1, a power receiving unit that receives the electric energy supplied from the outside in a non-contact manner, a power storage unit that includes an electric double layer capacitor that stores the received electric energy, and the stored electric energy is controlled. The portable charging device is provided with at least an electric output control means for outputting.

【０００７】また、請求項２に記載のように、請求項１
において、上記受電手段は、上記電気エネルギーから変
換され放出された磁気エネルギーを非接触で受取り、こ
の磁気エネルギーを電気エネルギーに変換する手段を有
する携帯型充電装置とするものである。Further, as described in claim 2, claim 1
In the above, the power receiving means is a portable charging device having a means for receiving the magnetic energy converted from the electric energy and released and contactlessly converting the magnetic energy into the electric energy.

【０００８】また、請求項３に記載のように、請求項１
または請求項２に記載の携帯型充電装置おいて、上記受
電手段は、少なくとも受電コイル、負荷整合用コンデン
サ、整流・平滑回路、逆流防止ダイオード、充電制御手
段より構成してなる携帯型充電装置とするものでなる。Further, as described in claim 3, claim 1
Alternatively, in the portable charging device according to claim 2, the power receiving means includes at least a power receiving coil, a load matching capacitor, a rectifying / smoothing circuit, a backflow prevention diode, and a charging control means. It will be what you do.

【０００９】また、請求項４に記載のように、請求項１
ないし請求項３のいずれか１項に記載の携帯型充電装置
において、電気二重層コンデンサを単体で用いる構成と
するか、もしくは電力容量または電圧仕様によって複数
の電気二重層コンデンサを直列または並列に組合せて用
いる構成とした携帯型充電装置とするものである。Further, as described in claim 4, claim 1
The portable charging device according to any one of claims 1 to 3, wherein the electric double layer capacitor is used alone, or a plurality of electric double layer capacitors are combined in series or in parallel according to power capacity or voltage specifications. The portable charging device is configured to be used as described above.

【００１０】また、請求項５に記載のように、請求項１
ないし請求項４のいずれか１項に記載の携帯型充電装置
において、上記電気出力制御手段は、携帯機器に適した
電気出力動作方式として、定電流動作、定電圧動作もし
くは定電流−定電圧動作の出力条件を任意に選択できる
構成とした携帯型充電装置とするものである。Further, as described in claim 5, claim 1
5. The portable charging device according to claim 4, wherein the electric output control means is a constant current operation, a constant voltage operation, or a constant current-constant voltage operation as an electric output operation method suitable for a mobile device. The output condition of the portable charging device is configured to be arbitrarily selectable.

【００１１】また、請求項６に記載のように、請求項１
ないし請求項５のいずれか１項に記載の携帯型充電装置
において、外部の非接触給電装置に対して該携帯型充電
装置の存在を知らしめるための報知手段をさらに備えた
携帯型充電装置とするものである。Further, as described in claim 6, claim 1
The portable charging device according to claim 5, further comprising a notification unit for informing an external contactless power supply device of the presence of the portable charging device. To do.

【００１２】また、請求項７に記載のように、請求項１
ないし請求項６のいずれか１項に記載の携帯型充電装置
において、外部の携帯機器への充電動作を非接触で行う
構成手段をさらに設けた携帯型充電装置とするものであ
る。Further, as described in claim 7, claim 1
The portable charging device according to any one of claims 1 to 6 is further provided with a component that performs a charging operation to an external portable device in a non-contact manner.

【００１３】本発明の携帯型充電装置は、基本的に、外
部から供給される電気エネルギーを非接触で受取る受電
手段と、受取った電気エネルギーを電気二重層コンデン
サを用いて蓄積する蓄電手段と、蓄積した電気エネルギ
ーを制御して出力する電気出力制御手段とを具備する構
成とするものである。The portable charging device of the present invention basically comprises a power receiving means for receiving electric energy supplied from the outside in a non-contact manner, and a power storage means for storing the received electric energy using an electric double layer capacitor. And an electric output control means for controlling and outputting the accumulated electric energy.

【００１４】また、外部から供給される電気エネルギー
を非接触で受取る手順として、電気エネルギーから変換
して放出された磁気エネルギーを非接触で受取り、この
磁気エネルギーを電気エネルギーに変換して蓄積する蓄
電手段を有し、この蓄電手段として、電気二重層コンデ
ンサを用いる構成とするものである。Further, as a procedure for receiving the electric energy supplied from the outside in a non-contact manner, the electric energy converted from the electric energy is received in a non-contact manner, the magnetic energy is converted into the electric energy and stored. It has a means and uses an electric double layer capacitor as this electricity storage means.

【００１５】また、本発明の携帯型充電装置は、商用電
源のない場所でも携帯機器に対して充電動作を行うこと
ができ、また、廃棄物を出さずに繰返し使用が可能で、
しかも、充電の度にかかる費用もわずかで済み、経済的
でクリーン、かつ利便性の高い携帯型充電装置である。
さらに、電気二重層コンデンサを用いることにより、急
速な充電を行うことが可能となるため、より利便性の高
い携帯型充電装置を実現できる効果がある。Further, the portable charging device of the present invention can perform a charging operation for a portable device even in a place where there is no commercial power source, and can be repeatedly used without producing waste.
In addition, it is a portable charging device that is economical, clean, and highly convenient because it costs little to charge each time.
Furthermore, by using the electric double layer capacitor, rapid charging can be performed, so that there is an effect that a more convenient portable charging device can be realized.

【００１６】[0016]

【発明の実施の形態】以下、本発明の実施例について図
面を用いて説明する。 〈実施の形態１〉図１（ａ）、（ｂ）は本実施の形態で
例示する携帯型充電装置の構成を示す模式図で、（ａ）
は充電装置に蓄電する構成を示し、（ｂ）は充電装置か
ら携帯機器に充電する構成を示す模式図である。図１
（ａ）において、７は外部の電気エネルギー供給装置、
８は本発明の充電装置である。充電装置８は、外部から
供給される電磁エネルギーを非接触で受取り、受取った
電磁エネルギーを電気エネルギーに変換する受電手段９
と、変換された電気エネルギーを蓄積する蓄電手段１０
と、蓄積した電気エネルギーを制御して出力するための
電気出力制御手段１１とから構成される。図１（ｂ）に
おいて、８は本発明の充電装置、３は携帯機器である。
携帯機器３には蓄電池が内蔵されている。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. <First Embodiment> FIGS. 1A and 1B are schematic views showing the configuration of a portable charging device exemplified in the present embodiment.
FIG. 4 is a schematic diagram showing a configuration for charging a charging device with electricity, and FIG. Figure 1
In (a), 7 is an external electric energy supply device,
8 is a charging device of the present invention. The charging device 8 receives the electromagnetic energy supplied from the outside in a non-contact manner and converts the received electromagnetic energy into electric energy 9
And a storage means 10 for storing the converted electrical energy
And an electric output control means 11 for controlling and outputting the accumulated electric energy. In FIG. 1B, 8 is a charging device of the present invention, and 3 is a portable device.
A storage battery is built in the mobile device 3.

【００１７】次に、図１（ａ）、（ｂ）で示される携帯
型充電装置を用いた充電動作について説明する。本装置
における充電動作は、二つの工程からなる。第１の工程
は、図１（ａ）に示した、本発明の充電装置８に蓄電す
る工程であり、第２の工程は、図１（ｂ）に示した、充
電装置８から携帯機器３に充電する工程である。まず、
第１の工程は、外部の、電気エネルギーを電磁エネルギ
ーに変換して供給する。電気エネルギー供給装置７と、
本発明の充電装置８とを、しかるべき位置に近付け、外
部から供給される電磁エネルギーを、受電手段９が非接
触で受取り、受取った電磁エネルギーを電気エネルギー
に変換した後、その電気エネルギーを蓄電手段１０に蓄
積することにより、充電装置８に蓄電する。Next, a charging operation using the portable charging device shown in FIGS. 1A and 1B will be described. The charging operation in this device consists of two steps. The first step is a step of storing electricity in the charging device 8 of the present invention shown in FIG. 1A, and the second step is from the charging device 8 to the portable device 3 shown in FIG. 1B. It is the process of charging. First,
In the first step, external electric energy is converted into electromagnetic energy and supplied. An electric energy supply device 7,
The charging device 8 of the present invention is brought close to an appropriate position, and the power receiving means 9 receives the electromagnetic energy supplied from the outside in a non-contact manner, converts the received electromagnetic energy into electric energy, and then stores the electric energy. By accumulating in the means 10, it is stored in the charging device 8.

【００１８】次に、第２の工程として、まず、充電装置
８と携帯機器３とを接続する。次に、充電装置８の電気
出力制御手段１１は、携帯機器３に適した電気出力動作
方式（例えば定電流動作、定電圧動作、定電流−定電圧
動作等）に変換制御しながら、蓄電手段１０に蓄積され
た電気エネルギーを、携帯機器３に供給する。携帯機器
３では、本発明の充電装置８から供給された電力によ
り、内蔵している蓄電池を充電する。したがって、本発
明の携帯型充電装置は、上記、第２の工程で説明したよ
うに、商用電源のない場所でも携帯機器に対して充電動
作を行うことができ、また、廃棄物を出すことなく、繰
返し使用が可能で、しかも、充電の度にかかる費用もわ
ずかであり、経済的でクリーン、かつ利便性の高い携帯
型充電装置を実現することができる。Next, as a second step, first, the charging device 8 and the portable device 3 are connected. Next, the electric output control means 11 of the charging device 8 performs conversion control to an electric output operation method (for example, constant current operation, constant voltage operation, constant current-constant voltage operation, etc.) suitable for the mobile device 3, and the power storage means. The electric energy stored in 10 is supplied to the mobile device 3. In the mobile device 3, the built-in storage battery is charged with the electric power supplied from the charging device 8 of the present invention. Therefore, as described in the second step above, the portable charging device of the present invention can perform the charging operation for the portable device even in a place where there is no commercial power source, and does not generate waste. It is possible to realize an economical, clean, and highly convenient portable charging device that can be repeatedly used, and the cost required for each charging is small.

【００１９】〈実施の形態２〉図２（ａ）、（ｂ）は本
実施の形態で例示する携帯型充電装置の構成を示す模式
図で、（ａ）は充電装置に蓄電する構成を示し、（ｂ）
は充電装置から携帯機器に充電する構成を示す模式図で
ある。図２（ａ）において、１２は外部の非接触給電装
置、８は本発明の充電装置である。非接触給電装置１２
は、商用電源１、交流−直流変換回路１３、直流−交流
変換回路１４、送電コイル１５で構成される。本発明の
充電装置８は、受電コイル１６、負荷整合用コンデンサ
１７、整流・平滑回路１８、逆流防止ダイオード２３、
充電制御手段２４、電気二重層コンデンサ２５、電気出
力制御手段２６で構成され、整流・平滑回路１８は、ダ
イオード１９、ダイオード２０、コイル２１、コンデン
サ２２で構成される。図２（ｂ）において、８は本発明
の充電装置、３は携帯機器である。携帯機器３には蓄電
池が内蔵されている。<Second Embodiment> FIGS. 2 (a) and 2 (b) are schematic diagrams showing the structure of a portable charging device exemplified in the present embodiment, and FIG. 2 (a) shows a structure for storing electricity in the charging device. , (B)
FIG. 3 is a schematic diagram showing a configuration for charging a mobile device from a charging device. In FIG. 2A, 12 is an external non-contact power feeding device, and 8 is a charging device of the present invention. Contactless power supply device 12
Is composed of a commercial power supply 1, an AC / DC conversion circuit 13, a DC / AC conversion circuit 14, and a power transmission coil 15. The charging device 8 of the present invention includes a power receiving coil 16, a load matching capacitor 17, a rectifying / smoothing circuit 18, a backflow prevention diode 23,
The charge control unit 24, the electric double layer capacitor 25, and the electric output control unit 26 are included, and the rectifying / smoothing circuit 18 is configured with a diode 19, a diode 20, a coil 21, and a capacitor 22. In FIG. 2B, 8 is a charging device of the present invention, and 3 is a portable device. A storage battery is built in the mobile device 3.

【００２０】次に、図２（ａ）、（ｂ）で示される携帯
型充電装置を用いた充電動作について説明する。本装置
における充電動作は、二つの工程からなる。第１の工程
は、図２（ａ）に示した本発明の充電装置８に蓄電する
工程であり、第２の工程は、図２（ｂ）に示した本発明
の充電装置８から携帯機器３に充電する工程である。ま
ず、第１の工程は、外部の非接触給電装置１２と本発明
の充電装置８とを、しかるべき位置に近付ける。ここ
で、外部の非接触給電装置１２において、商用電源１
の、例えば電圧１００Ｖの交流電力は、交流−直流変換
回路１３で直流電圧に変換され、その後、直流−交流変
換回路１４で商用電源１よりも高い周波数の交流電圧に
変換された後、送電コイル１５に印加される。印加され
た電気エネルギーは、送電コイル１５により磁気エネル
ギーに変換されて交番磁界として空間に放出され、非接
触で充電装置８に到達する。Next, a charging operation using the portable charging device shown in FIGS. 2A and 2B will be described. The charging operation in this device consists of two steps. The first step is a step of storing electricity in the charging device 8 of the present invention shown in FIG. 2A, and the second step is from the charging device 8 of the present invention shown in FIG. 2B to a portable device. It is the process of charging to 3. First, in the first step, the external contactless power supply device 12 and the charging device 8 of the present invention are brought close to appropriate positions. Here, in the external contactless power supply device 12, the commercial power source 1
For example, AC power having a voltage of 100 V is converted into a DC voltage by the AC-DC conversion circuit 13, and then converted into an AC voltage having a frequency higher than that of the commercial power supply 1 by the DC-AC conversion circuit 14, and then the power transmission coil. 15 is applied. The applied electric energy is converted into magnetic energy by the power transmission coil 15 and is emitted into the space as an alternating magnetic field, and reaches the charging device 8 in a non-contact manner.

【００２１】このようにして、非接触給電装置１２から
発生・供給された交番磁界を、本発明の充電装置８の受
電コイル１６は非接触で受取り、上記交番磁界を交流電
圧に変換する。この交流電圧は、負荷整合用コンデンサ
１７と並列に接続された、ダイオード１９、ダイオード
２０、コイル２１、コンデンサ２２からなる整流・平滑
回路１８で直流電圧に変換され、逆流防止ダイオード２
３を介し、充電制御手段２４を経由して、蓄電装置であ
る電気二重層コンデンサ２５に電気エネルギーとして蓄
積される。充電制御手段２４では、電気二重層コンデン
サ２５に適した充電電流に制御しながら、所定の端子電
圧まで電気二重層コンデンサ２５に蓄電する。このよう
にして、本発明の充電装置８が蓄電される。In this way, the power receiving coil 16 of the charging device 8 of the present invention receives the alternating magnetic field generated and supplied from the non-contact power feeding device 12 in a non-contact manner and converts the alternating magnetic field into an alternating voltage. The AC voltage is converted into a DC voltage by a rectifying / smoothing circuit 18 which is connected in parallel with the load matching capacitor 17 and includes a diode 19, a diode 20, a coil 21, and a capacitor 22.
3 via the charging control means 24, and is stored as electric energy in the electric double layer capacitor 25 which is a power storage device. The charge control means 24 charges the electric double layer capacitor 25 up to a predetermined terminal voltage while controlling the charging current suitable for the electric double layer capacitor 25. In this way, the charging device 8 of the present invention is charged.

【００２２】次に、第２の工程は、図２（ｂ）に示した
通り、まず、充電装置８と携帯機器３とを接続する。次
いで、充電装置８において、電気二重層コンデンサ２５
に蓄積された電気エネルギーは、電気出力制御手段２６
で、携帯機器３に適した電気出力動作方式、例えば直流
５Ｖに変換されて、携帯機器３に供給される。携帯機器
３では、供給された直流電力により、内蔵している蓄電
池を充電する。Next, in the second step, as shown in FIG. 2B, first, the charging device 8 and the portable device 3 are connected. Next, in the charging device 8, the electric double layer capacitor 25
The electric energy stored in the electric power control means 26
Then, the electric output operation method suitable for the mobile device 3, for example, converted into DC 5V, is supplied to the mobile device 3. In the mobile device 3, the built-in storage battery is charged by the supplied DC power.

【００２３】なお、上記第１の工程で説明したように、
本実施の形態においては、外部の非接触給電装置１２か
ら本発明の充電装置８への蓄電工程を非接触で行ってい
る。もちろん、充電装置への蓄電工程を、給電装置から
接触型で行うことも可能であるが、非接触で蓄電するこ
との優位な点は、蓄電部品である電気二重層コンデンサ
２５ヘの急速な充電が可能なことである。電気二重層コ
ンデンサは、元々、他の蓄電部品（例えば、充電して再
利用可能な蓄電池等）と比較して、その性能をほとんど
劣化させることなく急速な充放電が可能なこと、繰返し
使用による特性劣化がなく寿命が半永久的であること、
等の特長を持っ蓄電部品である。したがって、例えば、
ある容量の蓄電池を充電するのに２時間掛かるとして、
同じ容量の電気二重層コンデンサを充電するのに、もち
ろん給電条件にも依存するが、数秒前後で充電すること
も可能である。As described in the first step above,
In the present embodiment, the power storage process from the external non-contact power supply device 12 to the charging device 8 of the present invention is performed in a non-contact manner. Of course, the charging process to the charging device can be performed in a contact type from the power feeding device, but the advantage of non-contact charging is that the electric double layer capacitor 25, which is a power storage component, is rapidly charged. Is possible. Originally, electric double layer capacitors are capable of rapid charging and discharging with almost no deterioration in their performance as compared with other power storage components (for example, rechargeable storage batteries, etc.). Life is semi-permanent without deterioration of characteristics,
It is an electricity storage component with features such as. So, for example,
It takes 2 hours to charge a storage battery of a certain capacity,
It is possible to charge an electric double layer capacitor of the same capacity within a few seconds, depending on the power supply conditions, of course.

【００２４】ただし、急速な充電を、接触型の給電で行
う場合には、大きな充電電流が流れるため、Ｉ２×Ｒに
よる配線抵抗損失、発熱が問題となり、配線抵抗の小さ
な給電線、言い換えると、太い給電線、大きな接続具
（コネクタ端子等）、断面積の大きな配線パタン等が必
要となり、充電装置の小型化が困難となる。これに対
し、電磁誘導を用いた非接触電力伝送の場合、交番磁界
の周波数を高周波化することにより平面型の伝送コイル
の使用が可能となり、機器の小型化・薄形化に寄与す
る。さらに、非接触電力伝送の場合には、伝送コイルの
１次側ターン数と２次側ターン数の比率（巻数比）を変
化させることにより、２次側に誘起される電圧を容易に
高電圧化できる。同じ電力を扱う場合、電圧を４倍にす
れば電流は１／４に減り、Ｉ２×Ｒによる配線抵抗損
失、発熱は１／１６に低減できる。このように、２次側
の伝送コイルの出力電圧を高電圧化することにより、受
電部周辺の伝送コイルの線径、配線パタンの断面積、損
失による発熱を減少させることができ、さらなる機器の
小型化が可能である。また、高電圧化は、整流部で使用
されるダイオードの順方向電圧に起因する整流効率の低
下を低減する効果もある。このように、電気二重層コン
デンサの特質を活かして、急速な充電を行うためには、
上記実施の形態で説明したように、外部に露出するコネ
クタ等は用いず、端子部の接触不良や腐食、感電等の問
題のない安全な非接触型で給電することが望ましい。However, when rapid charging is performed by the contact type power feeding, a large charging current flows, so that wiring resistance loss and heat generation due to I 2 × R become a problem, and in other words, a power feeding line with a small wiring resistance, in other words, In addition, a thick power supply line, a large connector (connector terminal, etc.), a wiring pattern having a large cross-sectional area, etc. are required, which makes it difficult to downsize the charging device. On the other hand, in the case of contactless power transmission using electromagnetic induction, by increasing the frequency of the alternating magnetic field, it becomes possible to use a flat type transmission coil, which contributes to downsizing and thinning of the device. Further, in the case of non-contact power transmission, the voltage induced on the secondary side can be easily increased to a high voltage by changing the ratio (turn ratio) of the number of turns on the primary side and the number of turns on the secondary side of the transmission coil. Can be converted. When the same electric power is used, if the voltage is quadrupled, the current is reduced to 1/4, and the wiring resistance loss and heat generation due to I 2 × R can be reduced to 1/16. In this way, by increasing the output voltage of the secondary side transmission coil, it is possible to reduce the wire diameter of the transmission coil around the power receiving section, the cross-sectional area of the wiring pattern, and the heat generation due to loss, and to further reduce the device Can be miniaturized. In addition, the higher voltage also has an effect of reducing a decrease in rectification efficiency due to the forward voltage of the diode used in the rectification unit. In this way, taking advantage of the characteristics of the electric double layer capacitor to perform rapid charging,
As described in the above embodiment, it is desirable to use a safe non-contact type power supply without using a connector or the like exposed to the outside and without problems such as poor contact of terminals, corrosion, and electric shock.

【００２５】次に、本発明の充電装置への急速な充電
（蓄電）の有用性の例を示す。例えば、これから外出し
ようとする際に、外出先で使用する予定の携帯機器が未
充電であることに気付いたとする。しかしながら、出発
時間が迫っているため、ここで数十分〜数時間を掛けて
携帯機器を充電している時間はない。そのような時に、
本発明の充電装置は急速な充電を行うことができる。こ
の場合、充電に要する時間が数秒〜２、３分程度であれ
ば、身支度や荷物の確認を行っている間に済んでしま
う。そして、蓄電された充電装置と未充電の携帯機器と
を持って行き、移動中に充電装置から携帯機器に充電す
ることにより、外出先で携帯機器を使用することが可能
になる。このように、本発明の充電装置は、蓄電さえし
ておけば、時と場所を選ばず、何時でも何処でも、携帯
機器に対して充電動作を行うことが可能であり、利便性
が極めて高い装置となる。Next, an example of the usefulness of rapid charging (storage) to the charging device of the present invention will be shown. For example, suppose that when trying to go out from now on, he notices that the portable device to be used at the place where he is going out is uncharged. However, since the departure time is approaching, there is no time to spend several tens of minutes to several hours to charge the mobile device. At such times,
The charging device of the present invention can perform rapid charging. In this case, if the time required for charging is several seconds to a few minutes, it will be completed while checking the dressing and luggage. Then, by carrying the charged charging device and the uncharged portable device and charging the portable device from the charging device while moving, it becomes possible to use the portable device on the go. As described above, the charging device of the present invention is capable of performing charging operation on a mobile device at any time and any place, as long as it is charged, and is extremely convenient. It becomes a device.

【００２６】また、本発明の充電装置８の蓄電部品であ
る電気二重層コンデンサ２５としては、電気二重層コン
デンサを単体で用いても、あるいは必要な電力容量や電
圧仕様によって、複数の電気二重層コンデンサを直並列
に組合せて用いても、上記と同様の効果が得られること
は言うまでもない。そして、ここに蓄えたエネルギーを
有効活用するとの観点からは、電気二重層コンデンサを
用いた蓄電部両端の端子電圧を高くする構成の方が望ま
しい。Further, as the electric double layer capacitor 25 which is a power storage component of the charging device 8 of the present invention, a plurality of electric double layer capacitors may be used even if the electric double layer capacitor is used alone or depending on the required power capacity and voltage specifications. It goes without saying that the same effect as described above can be obtained by using the capacitors in combination in series and parallel. From the viewpoint of effectively utilizing the energy stored here, it is preferable to increase the terminal voltage across the power storage unit using the electric double layer capacitor.

【００２７】また、本発明の充電装置８の電気出力制御
手段２６は、携帯機器３に適した電気出力動作方式とし
て、例えば、定電流動作、定電圧動作、あるいは、定電
流−定電圧動作、等のさまざまな出力条件を選択するこ
とが可能であり、携帯機器３、あるいはそれに内蔵され
ている蓄電池に対して、最適な条件に変換制御しなが
ら、電気二重層コンデンサに蓄積された電気エネルギー
を携帯機器３に供給することができる。したがって、さ
まざまな種類の携帯機器や、容量の異なる蓄電池に対し
ても、本発明の充電装置１台で充電動作を行うことが可
能となる。The electric output control means 26 of the charging device 8 of the present invention has an electric output operation method suitable for the portable device 3, for example, a constant current operation, a constant voltage operation, or a constant current-constant voltage operation, It is possible to select various output conditions such as, etc., and the electric energy stored in the electric double layer capacitor is controlled while converting and controlling the optimum condition for the portable device 3 or the storage battery built therein. It can be supplied to the mobile device 3. Therefore, it is possible to perform charging operation for various types of mobile devices and storage batteries having different capacities with one charging device of the present invention.

【００２８】また、上記第１の工程で示した外部の非接
触給電装置１２から本発明の充電装置８への蓄電工程に
おいて、非接触給電装置１２の消費電力を無駄に浪費す
ることがないようにするため、充電装置８に充電装置報
知手段を設けると共に、非接触給電装置１２に充電装置
検出手段を設け、該充電装置検出手段が上記充電装置報
知手段により充電装置の存在を確認可能な期間のみ、非
接触給電装置から充電装置への蓄電作業を行うようにす
ることも可能である。充電装置報知手段、および充電装
置検出手段としては、さまざまな構成を用いることが可
能であるが、一例を述べると、充電装置報知手段として
永久磁石、充電装置検出手段として磁気スイッチ等が挙
げられる。Further, in the step of storing electricity from the external non-contact power feeding device 12 to the charging device 8 of the present invention shown in the first step, the power consumption of the non-contact power feeding device 12 is not wasted. Therefore, the charging device 8 is provided with a charging device notification means, and the contactless power supply device 12 is provided with a charging device detection means, and the charging device detection means can confirm the presence of the charging device by the charging device notification means. Only, it is possible to perform the power storage work from the contactless power supply device to the charging device. Although various configurations can be used as the charging device notification means and the charging device detection means, for example, a permanent magnet is used as the charging device notification means, and a magnetic switch is used as the charging device detection means.

【００２９】さらに、上記第２の工程で説明した、充電
装置８から携帯機器３への充電動作を、非接触型で行う
ようにすることも可能である。この場合は、充電装置８
と携帯機器３とを、しかるべき位置に近付けて充電動作
を行う。また、この際、本充電装置に蓄電する際に受電
手段として用いた受電コイルは、携帯機器に対して非接
触で充電する際には、送電コイルとして使用することも
可能である。このように、コイルを受電と送電の両方に
入出力兼用部品として使用することは、本充電装置の小
型化、低コスト化に有効である。その上、本充電装置へ
の蓄電と、本充電装置から携帯機器への充電の両方を、
非接触型で行う易合には、本充電装置を完全防水構造に
することが可能になるため、利便性がさらに向上して、
その適用範囲をより拡大することができる。Furthermore, the charging operation from the charging device 8 to the portable device 3 described in the second step can be performed in a non-contact type. In this case, the charging device 8
Then, the portable device 3 and the portable device 3 are brought close to appropriate positions to perform the charging operation. In addition, at this time, the power receiving coil used as the power receiving unit when the power is stored in the charging device can also be used as the power transmitting coil when charging the portable device in a non-contact manner. In this way, using the coil for both power reception and power transmission as an input / output component is effective for downsizing and cost reduction of the charging device. In addition, both charging of the charging device and charging of the portable device from the charging device,
In the case of non-contact type, it is possible to make this charging device completely waterproof structure, further improving convenience,
The applicable range can be further expanded.

【００３０】[0030]

【発明の効果】以上述べたように、本発明の携帯型充電
装置は、外部から供給される電気エネルギーを非接触で
受取る受電手段と、受取った電気エネルギーを蓄積する
蓄電手段と、蓄積した電気エネルギーを制御して出力す
るための電気出力制御手段とを少なくとも具備する構成
とすることにより、商用電源のない場所でも携帯機器に
対して充電動作を行うことができ、また、廃棄物を出す
ことなく、繰返して使用することが可能で、しかも充電
の度にかかる費用もわずかで済み、経済的でクリーン、
かつ利便性の高い携帯型充電装置となる。さらに電気二
重層コンデンサを用いることにより、急速な充電を行う
ことが可能となり、より利便性の高い携帯型充電装置を
実現することができる。As described above, the portable charging device of the present invention has a power receiving means for receiving the electric energy supplied from the outside in a non-contact manner, a power storage means for storing the received electric energy, and the stored electricity. By having at least an electric output control means for controlling and outputting energy, the mobile device can be charged even in a place where there is no commercial power source, and waste is generated. , It can be used repeatedly, and the cost for each charge is low, economical and clean,
Moreover, it becomes a highly convenient portable charging device. Furthermore, by using the electric double layer capacitor, rapid charging can be performed, and a more convenient portable charging device can be realized.

【図面の簡単な説明】[Brief description of drawings]

【図１】実施の形態１において図１（ａ）は本発明の充
電装置に蓄電する構成を示し、図１（ｂ）は本発明の充
電装置から携帯機器に充電する構成を示す模式図。1A and 1B are schematic diagrams showing a structure in which electric power is stored in a charging device of the present invention in Embodiment 1, and FIG. 1B is a structure in which a portable device is charged from the charging device of the present invention.

【図２】実施の形態２において図２（ａ）は本発明の充
電装置に蓄電する構成を示し、図２（ｂ）は本発明の充
電装置から携帯機器に充電する構成を示す模式図。2A and 2B are schematic diagrams showing a configuration in which electric power is stored in a charging device of the present invention, and FIG. 2B is a configuration in which a mobile device is charged from the charging device of the present invention in Embodiment 2;

【図３】従来の一般的な充電装置の構成を示す模式図。FIG. 3 is a schematic diagram showing a configuration of a conventional general charging device.

【符号の説明】[Explanation of symbols]

１…商用電源 ２…充電装置（従来の装置） ３…携帯機器 ４…変圧器 ５…整流器 ６…平滑回路 ７…電気エネルギー供給装置 ８…充電装置（本発明の装置） ９…受電手段 １０…蓄電手段 １１…電気出力制御手段 １２…非接触給電装置 １３…交流−直流変換回路 １４…直流−交流変換回路 １５…送電コイル １６…受電コイル １７…負荷整合用コンデンサ １８…整流・平滑回路 １９…ダイオード ２０…ダイオード ２１…コイル ２２…コンデンサ ２３…逆流防止ダイオード ２４…充電制御手段 ２５…電気二重層コンデンサ ２６…電気出力制御手段 1 ... Commercial power 2 ... Charging device (conventional device) 3 ... Mobile device 4 ... Transformer 5 ... Rectifier 6 ... Smoothing circuit 7 ... Electric energy supply device 8 ... Charging device (device of the present invention) 9 ... Power receiving means 10 ... Power storage means 11 ... Electric output control means 12 ... Non-contact power supply device 13 ... AC-DC conversion circuit 14 ... DC-AC conversion circuit 15 ... Power transmission coil 16 ... Power receiving coil 17 ... Load matching capacitor 18 ... Rectification / smoothing circuit 19 ... Diode 20 ... Diode 21 ... Coil 22 ... Capacitor 23 ... Backflow prevention diode 24 ... Charging control means 25 ... Electric double layer capacitor 26. Electric output control means

フロントページの続き (72)発明者 石山 俊彦 東京都千代田区大手町二丁目３番１号 日 本電信電話株式会社内 (72)発明者 三野 正人 東京都千代田区大手町二丁目３番１号 日 本電信電話株式会社内 Ｆターム(参考） 5G003 AA01 BA01 CA03 CA12 CC02 GB03 GB08 5H030 AA00 AS14 BB01 Continued front page    (72) Inventor Toshihiko Ishiyama             2-3-1, Otemachi, Chiyoda-ku, Tokyo             Inside Telegraph and Telephone Corporation (72) Inventor Masato Mino             2-3-1, Otemachi, Chiyoda-ku, Tokyo             Inside Telegraph and Telephone Corporation F-term (reference) 5G003 AA01 BA01 CA03 CA12 CC02                       GB03 GB08                 5H030 AA00 AS14 BB01

Claims (7)

【特許請求の範囲】[Claims] 【請求項１】外部から供給される電気エネルギーを非接
触で受取る受電手段と、受取った電気エネルギーを蓄積
する電気二重層コンデンサからなる蓄電手段と、蓄積し
た電気エネルギーを制御して出力する電気出力制御手段
とを少なくとも備えたことを特徴とする携帯型充電装
置。1. A power receiving means for receiving electric energy supplied from the outside in a non-contact manner, a storage means composed of an electric double layer capacitor for storing the received electric energy, and an electric output for controlling and outputting the stored electric energy. A portable charging device comprising at least a control means. 【請求項２】請求項１において、上記受電手段は、上記
電気エネルギーから変換され放出された磁気エネルギー
を非接触で受取り、この磁気エネルギーを電気エネルギ
ーに変換する手段であることを特徴とする携帯型充電装
置。2. The portable device according to claim 1, wherein said power receiving means is a means for receiving the magnetic energy converted from said electric energy and emitted, in a non-contact manner, and converting this magnetic energy into electric energy. Type charger. 【請求項３】請求項１または請求項２に記載の携帯型充
電装置おいて、上記受電手段は、少なくとも受電コイ
ル、負荷整合用コンデンサ、整流・平滑回路、逆流防止
ダイオード、充電制御手段より構成してなることを特徴
とする携帯型充電装置。3. The portable charging device according to claim 1 or 2, wherein the power receiving means comprises at least a power receiving coil, a load matching capacitor, a rectifying / smoothing circuit, a backflow prevention diode, and a charge control means. A portable charging device characterized by the following. 【請求項４】請求項１ないし請求項３のいずれか１項に
記載の携帯型充電装置において、電気二重層コンデンサ
を単体で用いる構成とするか、もしくは電力容量または
電圧仕様によって複数の電気二重層コンデンサを直列ま
たは並列に組合せて用いる構成としてなることを特徴と
する携帯型充電装置。4. The portable charging device according to any one of claims 1 to 3, wherein the electric double layer capacitor is used alone or a plurality of electric capacitors are used depending on power capacity or voltage specifications. A portable charging device characterized in that it is configured to use a multilayer capacitor in combination in series or in parallel. 【請求項５】請求項１ないし請求項４のいずれか１項に
記載の携帯型充電装置において、上記電気出力制御手段
は、携帯機器に適した電気出力動作方式として、定電流
動作、定電圧動作もしくは定電流−定電圧動作の出力条
件を任意に選択できる構成としてなることを特徴とする
携帯型充電装置。5. The portable charging device according to any one of claims 1 to 4, wherein the electric output control means has a constant current operation and a constant voltage operation as an electric output operation method suitable for a mobile device. A portable charging device characterized in that the output condition of the operation or constant current-constant voltage operation can be arbitrarily selected. 【請求項６】請求項１ないし請求項５のいずれか１項に
記載の携帯型充電装置において、外部の非接触給電装置
に対して該携帯型充電装置の存在を知らしめるための報
知手段をさらに備えることを特徴とする携帯型充電装
置。6. The portable charging device according to any one of claims 1 to 5, further comprising informing means for informing an external contactless power supply device of the presence of the portable charging device. A portable charging device further comprising: 【請求項７】請求項１ないし請求項６のいずれか１項に
記載の携帯型充電装置において、外部の携帯機器への充
電動作を非接触で行う構成手段をさらに設けてなること
を特徴とする携帯型充電装置。7. The portable charging device according to any one of claims 1 to 6, further comprising a constituent means for charging an external portable device in a non-contact manner. Portable charging device that does.
JP2002099691A 2002-04-02 2002-04-02 Portable battery charger Pending JP2003299255A (en)

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