JP2000287369A - Charger - Google Patents
ChargerInfo
- Publication number
- JP2000287369A JP2000287369A JP11090473A JP9047399A JP2000287369A JP 2000287369 A JP2000287369 A JP 2000287369A JP 11090473 A JP11090473 A JP 11090473A JP 9047399 A JP9047399 A JP 9047399A JP 2000287369 A JP2000287369 A JP 2000287369A
- Authority
- JP
- Japan
- Prior art keywords
- storage battery
- resonance circuit
- primary
- charging device
- battery
- 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
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
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、一次コイルを有す
る一次側共振回路と、二次コイルを有する二次側共振回
路と、前記二次側共振回路に電気的に接続する蓄電池
と、を備え、両共振回路のコイル同志を近接させ、電磁
誘導作用により一次側から二次側に電力を供給して蓄電
池に充電する無接点式の充電装置に関するものである。The present invention relates to a primary resonance circuit having a primary coil, a secondary resonance circuit having a secondary coil, and a storage battery electrically connected to the secondary resonance circuit. The present invention relates to a non-contact type charging device in which coils of both resonance circuits are brought close to each other, and electric power is supplied from a primary side to a secondary side by electromagnetic induction to charge a storage battery.
【0002】[0002]
【従来の技術】従来の無接点式の充電装置を、図4に示
す。図4は、同充電装置の回路図である。図4に示す従
来の無接点式の充電装置は、一次コイル1を有する一次
側共振回路2と、二次コイル3を有する二次側共振回路
4と二次側共振回路4に電気的に接続する蓄電池5と、
で構成されており、両共振回路のコイル同志を近接さ
せ、電磁誘導作用により一次側から二次側に電力を供給
するものである。具体的には、図4に示すトランジスタ
Q1のオン、オフにより、一次コイル1に流入する電流
がスイッチングされて、帰還巻線L3、二次コイル3に
電圧が誘起され、二次コイル3から蓄電池5に充電電流
が供給されるようになっている。2. Description of the Related Art A conventional contactless charging device is shown in FIG. FIG. 4 is a circuit diagram of the charging device. The conventional contactless charging device shown in FIG. 4 is electrically connected to a primary resonance circuit 2 having a primary coil 1, a secondary resonance circuit 4 having a secondary coil 3, and a secondary resonance circuit 4. Storage battery 5
The coils of the two resonance circuits are brought close to each other, and power is supplied from the primary side to the secondary side by an electromagnetic induction action. Specifically, when the transistor Q1 shown in FIG. 4 is turned on and off, the current flowing into the primary coil 1 is switched, and a voltage is induced in the feedback winding L3 and the secondary coil 3, so that the storage battery 5 is supplied with a charging current.
【0003】[0003]
【発明が解決しようとする課題】しかしながら、上記従
来の無接点式の充電装置においては、トランジスタQ1
のオン、オフのスイッチング、一次側発振周波数を決定
している抵抗R2やR3などのタイミング素子は、ほぼ
専用に近い状態で蓄電池5に対応するように設定されて
いるため、充電電圧等の充電条件が大きく異なる蓄電池
5を充電すると、発熱が起こって電力ロスがあるなど不
具合が多く、結局は、前記蓄電池5の充電条件に対応し
たタイミング素子を選定する必要、即ち、別の充電装置
が必要になるという問題があった。However, in the above conventional contactless charging device, the transistor Q1
The timing elements such as the resistors R2 and R3, which determine the on / off switching and the primary oscillation frequency, are set so as to correspond to the storage battery 5 in an almost dedicated state. Charging the storage battery 5 under greatly different conditions causes many problems such as heat generation and power loss, and eventually, it is necessary to select a timing element corresponding to the charging condition of the storage battery 5, that is, another charging device is required. There was a problem of becoming.
【0004】本発明は、上記事由に鑑みてなしたもの
で、その目的とするところは、二次側共振回路に、二次
側インダクタンスを変更する変更手段を設けて、充電条
件が大きく異なる蓄電池にも充電できる利便性の高い充
電装置を提供することにある。The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a secondary-side resonance circuit with a changing means for changing a secondary-side inductance so that storage batteries having greatly different charging conditions. Another object of the present invention is to provide a highly convenient charging device capable of charging a battery.
【0005】[0005]
【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記載の充電装置は、一次コイルを有する一
次側共振回路と、二次コイルを有する二次側共振回路
と、前記二次側共振回路に電気的に接続する蓄電池と、
を備え、両共振回路のコイル同志を近接させ、電磁誘導
作用により一次側から二次側に電力を供給して蓄電池に
充電する無接点式の充電装置において、前記二次側共振
回路が、蓄電池の電池電圧を検知して、前記検知した電
圧が所定値に達すると、自動的に二次側インダクタンス
を変更する変更手段を設けて、蓄電池へ供給される電力
量を調整するようになしたことを特徴とする。According to a first aspect of the present invention, there is provided a charging device comprising: a primary resonance circuit having a primary coil; a secondary resonance circuit having a secondary coil; A storage battery electrically connected to the secondary resonance circuit;
A contactless charging device for charging the storage battery by bringing the coils of both resonance circuits close to each other and supplying power from the primary side to the secondary side by the electromagnetic induction action, wherein the secondary-side resonance circuit comprises: Battery voltage is detected, and when the detected voltage reaches a predetermined value, changing means for automatically changing the secondary inductance is provided to adjust the amount of power supplied to the storage battery. It is characterized by.
【0006】したがって、二次側インダクタンスを変更
して最適な充電条件とするため、充電条件が異なる蓄電
池にも、一台の充電装置で充電することができる。[0006] Therefore, since the secondary side inductance is changed to obtain the optimum charging condition, it is possible to charge even a storage battery having a different charging condition by one charging device.
【0007】また、請求項2記載の充電装置は、請求項
1記載の一次側共振回路が、二次側のインダクタンスの
変更を受けて、一次側インダクタンスを変更する変更手
段を備え、二次側へ供給する電力を調整するようになし
たことを特徴とする。According to a second aspect of the present invention, in the charging apparatus, the primary-side resonance circuit according to the first aspect further includes a changing unit configured to change the primary-side inductance in response to the change in the secondary-side inductance. It is characterized in that the power supplied to the power supply is adjusted.
【0008】したがって、二次側インダクタンスの変更
に対応するように一次側インダクタンスを変更して、最
適な充電条件とするため、より電力のロスが少なく効率
的に充電することができる。Therefore, the primary side inductance is changed to correspond to the change in the secondary side inductance, and the optimum charging condition is set. Therefore, the power can be efficiently charged with less power loss.
【0009】また、請求項3記載の充電装置は、請求項
1記載の一次側共振回路が、二次側から蓄電池の電池電
圧を検出して、前記蓄電池の電池電圧から得られる蓄電
池の残容量を表示する表示手段を備えたものであること
を特徴とする。According to a third aspect of the present invention, in the charging device, the primary resonance circuit detects the battery voltage of the storage battery from the secondary side and obtains the remaining capacity of the storage battery obtained from the battery voltage of the storage battery. Is provided with display means for displaying
【0010】したがって、蓄電池の充電状態を視覚的に
確認できるため、利便性が高い長所を有する。[0010] Therefore, the state of charge of the storage battery can be visually confirmed, which has an advantage of high convenience.
【0011】[0011]
【発明の実施の形態】図1は、本発明の請求項2及び3
に対応する第1の実施の形態を示している。DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows a second embodiment of the present invention.
Of the first embodiment corresponding to FIG.
【0012】[第1の実施の形態]図1は、第1の実施
の形態の概略を示す回路図である。[First Embodiment] FIG. 1 is a circuit diagram schematically showing a first embodiment.
【0013】この実施の形態の充電装置は、一次コイル
1を有する一次側共振回路2と、二次コイル3を有する
二次側共振回路4と、前記二次側共振回路4に電気的に
接続する蓄電池5と、を備え、両共振回路のコイル同志
を近接させ、電磁誘導作用により一次側から二次側に電
力を供給して蓄電池5に充電する無接点式の充電装置に
おいて、前記二次側共振回路4が、蓄電池5の電池電圧
を検知して、前記検知した電圧が所定値に達すると、自
動的に二次側インダクタンスを変更する変更手段6を設
けて、蓄電池5へ供給される電力量を調整するようにし
ている。また、この実施の形態の一次側共振回路2にお
いては、二次側のインダクタンスの変更を受けて、一次
側インダクタンスを変更する変更手段7を備え、二次側
へ供給する電力を調整するようにしている。また、この
実施の形態の一次側共振回路2においては、二次側から
蓄電池5の電池電圧を検出して、前記蓄電池5の電池電
圧から得られる蓄電池5の残容量を表示する表示手段8
を備えたものとしてもいる。The charging device according to this embodiment has a primary resonance circuit 2 having a primary coil 1, a secondary resonance circuit 4 having a secondary coil 3, and an electrical connection to the secondary resonance circuit 4. A contactless charging device for charging the storage battery 5 by supplying power from the primary side to the secondary side by electromagnetic induction to charge the storage battery 5. The side resonance circuit 4 detects the battery voltage of the storage battery 5, and when the detected voltage reaches a predetermined value, a changing means 6 for automatically changing the secondary side inductance is provided and supplied to the storage battery 5. The amount of power is adjusted. In addition, the primary-side resonance circuit 2 of this embodiment includes a change unit 7 that changes the primary-side inductance in response to the change of the secondary-side inductance, so that the power supplied to the secondary side is adjusted. ing. Further, in the primary side resonance circuit 2 of this embodiment, the display means 8 detects the battery voltage of the storage battery 5 from the secondary side and displays the remaining capacity of the storage battery 5 obtained from the battery voltage of the storage battery 5.
Some have.
【0014】したがって、二次側インダクタンスを変更
して最適な充電条件とするため、充電条件が異なる蓄電
池5にも、一台の充電装置で充電することができる。ま
た、二次側インダクタンスの変更に対応するように一次
側インダクタンスを変更して、最適な充電条件とするた
め、より電力のロスが少なく効率的に充電することがで
きる。また、蓄電池5の残容量を表示する表示手段8に
より、蓄電池5の充電状態を視覚的に確認できるため、
利便性が高い長所を有する。Therefore, since the secondary side inductance is changed to obtain the optimum charging condition, the storage battery 5 having different charging conditions can be charged by one charging device. In addition, since the primary-side inductance is changed so as to correspond to the change in the secondary-side inductance and the optimum charging condition is set, the charging can be performed more efficiently with less power loss. In addition, since the display means 8 for displaying the remaining capacity of the storage battery 5 allows the charge state of the storage battery 5 to be visually confirmed,
It has the advantage of high convenience.
【0015】[0015]
【発明の効果】上述の如く、本発明の請求項1記載の充
電装置は、充電条件が異なる蓄電池に対しても、一台の
充電装置で充電することができるので、利便性が高い充
電装置を提供できる。As described above, the charging device according to the first aspect of the present invention can charge a storage battery having different charging conditions with a single charging device. Can be provided.
【0016】また、請求項2記載の充電装置は、請求項
1記載のものの効果に加え、二次側インダクタンスの変
更に対応するように一次側インダクタンスを変更して、
最適な充電条件とするので、より電力のロスが少なく効
率的に充電することができる。Further, in the charging device according to the second aspect, in addition to the effects of the first aspect, the primary side inductance is changed so as to correspond to the change in the secondary side inductance.
Since optimal charging conditions are set, charging can be performed efficiently with less power loss.
【0017】また、請求項3記載の充電装置は、請求項
1記載のものの効果に加え、蓄電池の充電状態を視覚的
に確認できるので、利便性が高い充電装置を提供でき
る。Further, the charging device according to the third aspect can provide a highly convenient charging device because the charging state of the storage battery can be visually confirmed in addition to the effects of the first aspect.
【図1】本発明の第1の実施の形態の概略を示す回路図
である。FIG. 1 is a circuit diagram schematically showing a first embodiment of the present invention.
【図2】本発明の従来例の概略を示す回路図である。FIG. 2 is a circuit diagram schematically showing a conventional example of the present invention.
1 一次コイル 2 一次側共振回路 3 二次コイル 4 二次側共振回路 5 蓄電池 6 変更手段 7 変更手段 8 表示手段 DESCRIPTION OF SYMBOLS 1 Primary coil 2 Primary-side resonance circuit 3 Secondary coil 4 Secondary-side resonance circuit 5 Storage battery 6 Changing means 7 Changing means 8 Display means
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 FI テーマコート゛(参考) H02J 17/00 H02J 17/00 B ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat ゛ (Reference) H02J 17/00 H02J 17/00 B
Claims (3)
二次コイルを有する二次側共振回路と、前記二次側共振
回路に電気的に接続する蓄電池と、を備え、両共振回路
のコイル同志を近接させ、電磁誘導作用により一次側か
ら二次側に電力を供給して蓄電池に充電する無接点式の
充電装置において、前記二次側共振回路が、蓄電池の電
池電圧を検知して、前記検知した電圧が所定値に達する
と、自動的に二次側インダクタンスを変更する変更手段
を設けて、蓄電池へ供給される電力量を調整するように
なしたことを特徴とする充電装置。A primary resonance circuit having a primary coil;
A secondary-side resonance circuit having a secondary coil, and a storage battery electrically connected to the secondary-side resonance circuit; the coils of both resonance circuits are brought close to each other; In the contactless charging device that supplies power to the storage battery and charges the storage battery, the secondary-side resonance circuit detects the battery voltage of the storage battery and automatically detects the battery voltage when the detected voltage reaches a predetermined value. A charging device, characterized in that changing means for changing the secondary inductance is provided to adjust the amount of power supplied to the storage battery.
クタンスの変更を受けて、一次側インダクタンスを変更
する変更手段を備え、二次側へ供給する電力を調整する
ようになしたことを特徴とする請求項1記載の充電装
置。2. The method according to claim 1, wherein the primary-side resonance circuit includes a change unit that changes the primary-side inductance in response to a change in the secondary-side inductance, and adjusts power supplied to the secondary side. The charging device according to claim 1, wherein:
池の電池電圧を検出して、前記蓄電池の電池電圧から得
られる蓄電池の残容量を表示する表示手段を備えたもの
であることを特徴とする請求項1記載の充電装置。3. The primary-side resonance circuit includes a display unit that detects a battery voltage of a storage battery from a secondary side and displays a remaining capacity of the storage battery obtained from the battery voltage of the storage battery. The charging device according to claim 1, wherein:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11090473A JP2000287369A (en) | 1999-03-31 | 1999-03-31 | Charger |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11090473A JP2000287369A (en) | 1999-03-31 | 1999-03-31 | Charger |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2000287369A true JP2000287369A (en) | 2000-10-13 |
Family
ID=13999570
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11090473A Pending JP2000287369A (en) | 1999-03-31 | 1999-03-31 | Charger |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2000287369A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011062097A1 (en) * | 2009-11-17 | 2011-05-26 | パナソニック電工 株式会社 | Non-contact power-feed device |
JP2012152037A (en) * | 2011-01-19 | 2012-08-09 | Hitachi Maxell Energy Ltd | Charging system, electrical appliance having power reception device of charging system, and charge completion discrimination method for charging system |
EP2571140A1 (en) * | 2010-05-14 | 2013-03-20 | Kabushiki Kaisha Toyota Jidoshokki | Resonance-type non-contact power supply system, and adjustment method for matching unit during charging of resonance-type non-contact power supply system |
WO2014034183A1 (en) * | 2012-08-30 | 2014-03-06 | 富士フイルム株式会社 | Charging device, electronic device, method for notifying charging state |
US20140300317A1 (en) * | 2011-10-25 | 2014-10-09 | Seon Seob Kim | Contactless charging system and contactless charging method |
US8994326B2 (en) | 2010-05-14 | 2015-03-31 | Kabushiki Kaisha Toyota Jidoshokki | Resonance-type non-contact power supply system |
US9142972B2 (en) | 2010-05-14 | 2015-09-22 | Kabushiki Kaisha Toyota Jidoshokki | Power reception equipment for resonance-type non-contact power supply system |
-
1999
- 1999-03-31 JP JP11090473A patent/JP2000287369A/en active Pending
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011109810A (en) * | 2009-11-17 | 2011-06-02 | Panasonic Electric Works Co Ltd | Noncontact power supply |
WO2011062097A1 (en) * | 2009-11-17 | 2011-05-26 | パナソニック電工 株式会社 | Non-contact power-feed device |
US8994326B2 (en) | 2010-05-14 | 2015-03-31 | Kabushiki Kaisha Toyota Jidoshokki | Resonance-type non-contact power supply system |
EP2571140A1 (en) * | 2010-05-14 | 2013-03-20 | Kabushiki Kaisha Toyota Jidoshokki | Resonance-type non-contact power supply system, and adjustment method for matching unit during charging of resonance-type non-contact power supply system |
US9391468B2 (en) | 2010-05-14 | 2016-07-12 | Kabushiki Kaisha Toyota Jidoshokki | Resonance-type non-contact power supply system, and adjustment method for matching unit during charging of resonance-type non-contact power supply system |
EP2571140A4 (en) * | 2010-05-14 | 2014-04-30 | Toyota Jidoshokki Kk | Resonance-type non-contact power supply system, and adjustment method for matching unit during charging of resonance-type non-contact power supply system |
US9142972B2 (en) | 2010-05-14 | 2015-09-22 | Kabushiki Kaisha Toyota Jidoshokki | Power reception equipment for resonance-type non-contact power supply system |
JP2012152037A (en) * | 2011-01-19 | 2012-08-09 | Hitachi Maxell Energy Ltd | Charging system, electrical appliance having power reception device of charging system, and charge completion discrimination method for charging system |
US20140300317A1 (en) * | 2011-10-25 | 2014-10-09 | Seon Seob Kim | Contactless charging system and contactless charging method |
US9515515B2 (en) * | 2011-10-25 | 2016-12-06 | Seon Seob Kim | Contactless charging system and contactless charging method |
CN104584369A (en) * | 2012-08-30 | 2015-04-29 | 富士胶片株式会社 | Charging device, electronic device, method for notifying charging state |
JP5677640B2 (en) * | 2012-08-30 | 2015-02-25 | 富士フイルム株式会社 | Charging device, electronic device, charging status notification method |
WO2014034183A1 (en) * | 2012-08-30 | 2014-03-06 | 富士フイルム株式会社 | Charging device, electronic device, method for notifying charging state |
US9401624B2 (en) | 2012-08-30 | 2016-07-26 | Fujifilm Corporation | Charging device, electronic equipment, and charging situation notifying method |
JPWO2014034183A1 (en) * | 2012-08-30 | 2016-08-08 | 富士フイルム株式会社 | Charging device, electronic device, charging status notification method |
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