JPH04317527A - Noncontact charger for rechargeable electric appliance - Google Patents
Noncontact charger for rechargeable electric applianceInfo
- Publication number
- JPH04317527A JPH04317527A JP3080314A JP8031491A JPH04317527A JP H04317527 A JPH04317527 A JP H04317527A JP 3080314 A JP3080314 A JP 3080314A JP 8031491 A JP8031491 A JP 8031491A JP H04317527 A JPH04317527 A JP H04317527A
- Authority
- JP
- Japan
- Prior art keywords
- coil
- charging
- electric appliance
- box
- loop
- 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.)
- Withdrawn
Links
- 230000004907 flux Effects 0.000 claims description 30
- 239000000696 magnetic material Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 229910000859 α-Fe Inorganic materials 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000010355 oscillation Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は、電動歯ブラシ、電気か
みそり、高周波治療器、低周波治療器、爪みがき器等の
小型の充電式電気器具の非接触充電装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a non-contact charging device for small-sized rechargeable electric appliances such as electric toothbrushes, electric razors, high-frequency treatment devices, low-frequency treatment devices, and nail polishers.
【０００２】0002
【従来の技術】従来の小型の充電式電気器具への充電は
電気器具毎に決められた専用充電装置にて充電しなけれ
ばならなかった。その充電方式としては、プラスと、マ
イナスの接続接点を充電器に設け、この充電器の接続接
点を用いて電気器具内の充電電池を充電器に結合させる
方式、或いは図１２に示すように、例えば電動歯ブラシ
のような小型電気器具本体１に２次側コイル２と、この
２次側コイル２の出力を図１３に示すようにダイオード
Ｄ１、Ｄ２で全波整流して蓄電池３を充電する回路から
なる充電部４とを内蔵し、充電部４に充電用電力を与え
るための充電器５側には充電回路６と、充電回路６から
の出力電流で交番する磁束を発生させる１次側コイル７
と、１次側コイル７の中心透孔に貫挿せる鉄心８とを備
え、鉄心８の上部を電気器具本体１の底部に設けた凹部
９に嵌合させて、鉄心８により電気器具本体１内の２次
側コイル２と、１次側コイル７とを磁気的に結合し、１
次側コイル７で発生する磁束を鉄心８を介して２次側コ
イル２に伝え、２次側コイル２に電圧を誘起させ、この
誘起電圧を充電部４で整流して、蓄電池３に充電電流と
して流して充電する無接点、つまり非接触で充電する方
式がある。尚図１２、図１３中Ｍはモータ、ＳＷは操作
スイッチ、Ｋは歯ブラシ１０の駆動機構部である。2. Description of the Related Art Conventionally, small-sized rechargeable electric appliances had to be charged using a dedicated charging device determined for each electric appliance. The charging method is to provide a charger with positive and negative connection contacts, and use the connection contacts of the charger to connect the rechargeable battery in the appliance to the charger, or as shown in Figure 12, For example, a circuit that includes a secondary coil 2 in a small electric appliance body 1 such as an electric toothbrush, and charges a storage battery 3 by full-wave rectifying the output of the secondary coil 2 with diodes D1 and D2 as shown in FIG. A charging circuit 6 is provided on the charger 5 side for supplying charging power to the charging section 4, and a primary coil that generates alternating magnetic flux with the output current from the charging circuit 6. 7
and an iron core 8 that can be inserted into the center through hole of the primary coil 7.The upper part of the iron core 8 is fitted into a recess 9 provided at the bottom of the electric appliance main body 1, and the iron core 8 is inserted into the electric appliance main body 1. The secondary coil 2 and the primary coil 7 are magnetically coupled,
The magnetic flux generated in the secondary coil 7 is transmitted to the secondary coil 2 via the iron core 8, a voltage is induced in the secondary coil 2, this induced voltage is rectified in the charging section 4, and a charging current is applied to the storage battery 3. There is a non-contact charging method that charges the battery by charging the battery. In FIGS. 12 and 13, M is a motor, SW is an operation switch, and K is a drive mechanism of the toothbrush 10.
【０００３】0003
【発明が解決しようとする課題】図１２、図１３の従来
例では鉄心８を用いることにより、１次側コイル７に発
生する磁束を、２次側コイル２に効率良く伝えることが
できようにしたものであるが、上記のような構成である
ため、充電器５より突出している鉄心８に、電気器具本
体１の凹部９をきっちりと嵌め込まなければならず、即
ち非接触とは言え、差し込む位置が決められてしまい使
用勝手が悪いという問題があった。[Problems to be Solved by the Invention] In the conventional examples shown in FIGS. 12 and 13, by using the iron core 8, the magnetic flux generated in the primary coil 7 can be efficiently transmitted to the secondary coil 2. However, because of the above configuration, the recess 9 of the appliance main body 1 must be tightly fitted into the core 8 protruding from the charger 5. In other words, although it is non-contact, it is difficult to insert it. There was a problem that the position was determined and it was not convenient to use.
【０００４】本発明は、上述の問題点に鑑みて為された
ものであって、請求項１記載の発明の目的とするところ
は電気器具本体を充電器の箱体に、その収納位置を気に
せずに、入れるだけで充電することができ、使用勝手の
良い充電式電気器具の非接触充電装置を提供するにある
。請求項２記載の発明は、上述の請求項１記載の発明の
目的に加えて、充電器の箱体内に電気器具本体を安定さ
せて収納するだけで１次側コイルと２次側コイルとを効
率のよく磁気的に結合することができる充電式電気器具
の非接触充電装置を提供するにある。[0004] The present invention has been made in view of the above-mentioned problems, and the object of the invention as set forth in claim 1 is to place the main body of the electric appliance in the box of the charger, and to be careful about its storage position. To provide an easy-to-use non-contact charging device for a rechargeable electric appliance, which can be charged just by putting it in without having to use it. In addition to the object of the invention described in claim 1, the invention as claimed in claim 2 can connect the primary coil and the secondary coil simply by stably storing the electric appliance main body in the box of the charger. An object of the present invention is to provide a non-contact charging device for a rechargeable electric appliance that can be efficiently and magnetically coupled.
【０００５】請求項３記載の発明は、上述の請求項１記
載の発明の目的に加えて、充電器の箱体内に電気器具本
体をラフに収納しても１次側コイルから発生する磁束が
いずれかの２次側コイルを通って充電が確実に行える充
電式電気器具の非接触充電装置を提供するにある。[0005] In addition to the object of the invention described in claim 1, the invention as set forth in claim 3 can prevent the magnetic flux generated from the primary coil even if the main body of the electric appliance is roughly housed in the box of the charger. To provide a non-contact charging device for a rechargeable electric appliance that can reliably charge through any secondary coil.
【０００６】[0006]
【課題を解決するための手段】上述の目的を達成するた
めに、請求項１記載の発明は、少なくとも１個以上のル
ープ状の２次側コイルと、この２次側コイルの出力で蓄
電池を充電する充電部とを電気器具本体に設け、充電部
に充電用電力を与える充電器を、内部に電気器具本体を
出し入れ自在に収納する磁性材料製の箱体と、箱体の内
周面に沿って巻回せるループ状１次側コイルと、１次側
コイルに１次電流を流す充電回路とで構成し、箱体内に
収納された小型電気器具本体の２次側コイルに、１次電
流の通電で１次側コイルに発生する磁束にて充電用電力
を供給するものである。[Means for Solving the Problems] In order to achieve the above object, the invention according to claim 1 provides at least one loop-shaped secondary coil and a storage battery using the output of the secondary coil. A charging part for charging is provided in the main body of the electric appliance, and a charger for supplying charging power to the charging part is provided inside a box made of a magnetic material that stores the main body of the electric appliance in a manner that allows the main body of the electric appliance to be freely put in and taken out, and on the inner peripheral surface of the box. It consists of a loop-shaped primary coil that can be wound along the side, and a charging circuit that flows the primary current to the primary coil. Charging power is supplied by magnetic flux generated in the primary coil when energized.
【０００７】請求項２記載の発明は、電気器具本体に設
けられる２次側コイルを１つとするとともに、２次側コ
イルのループ状コイル面を、電気器具本体の設置安定状
態面と平行になるように形成したものである。請求項３
記載の発明は、電気器具本体に設けられる２次側コイル
を複数個とするとともに、各２次側コイルのループ状コ
イル面を互いに交差するように形成したものである。[0007] According to the second aspect of the invention, the number of secondary coils provided in the electric appliance body is one, and the loop-shaped coil surface of the secondary coil is parallel to the installation stable state plane of the electric appliance body. It was formed like this. Claim 3
In the described invention, a plurality of secondary coils are provided in an electric appliance main body, and the loop-shaped coil surfaces of each secondary coil are formed to intersect with each other.
【０００８】[0008]
【作用】而して、箱体内に電気器具本体を収納位置を気
にせずに収納するだけで、充電回路からの通電で発生す
る１次側コイルの磁束を電気器具本体内の２次側コイル
に通すことができ、結果２次側コイルに電圧を誘起させ
てこの誘起電圧により充電部で蓄電池を充電することが
できる。[Function] By simply storing the appliance body in the box without worrying about its storage position, the magnetic flux of the primary coil generated by electricity from the charging circuit can be transferred to the secondary coil inside the appliance body. As a result, a voltage is induced in the secondary coil, and the storage battery can be charged in the charging section by this induced voltage.
【０００９】また１次側コイルで発生する磁束は箱体が
磁性材料からなるため外へは漏れにくく、磁性材料から
なる蓋等で箱体の開口部を閉塞して充電を行えば、漏洩
磁束が周囲に影響を与えることがなく、また発生磁束の
利用効率が高くなる。尚２次側コイルを１つとするとと
もに、２次側コイルのループ状コイル面を、電気器具本
体の設置安定状態面と平行になるように形成すれば、電
気器具本体を安定状態に箱体内に収納するだけで、１次
側コイルのループ状コイル面と、２次側ループ状コイル
面とが平行をなし、１次側コイルの磁束が２次側コイル
を通って電気器具本体内の充電部へ効率良く電力を与え
ることができる。Furthermore, since the box is made of a magnetic material, the magnetic flux generated in the primary coil does not easily leak out. If charging is performed by closing the opening of the box with a lid made of magnetic material, the leakage magnetic flux can be reduced. The magnetic flux does not affect the surroundings, and the efficiency of using the generated magnetic flux is increased. In addition, if the number of secondary coils is one and the loop-shaped coil surface of the secondary coil is formed parallel to the installation stable state surface of the electrical appliance body, the electrical appliance body can be kept in a stable state inside the box. Just by storing it, the loop-shaped coil surface of the primary coil and the secondary loop-shaped coil surface become parallel, and the magnetic flux of the primary coil passes through the secondary coil to the live part inside the appliance body. It is possible to efficiently supply power to
【００１０】また電気器具本体に設けられる２次側コイ
ルを複数個とするとともに、各２次側コイルのループ状
コイル面を互いに交差するように形成すれば、電気器具
本体の収納位置を特に気にすること無くラフに箱体内に
収納するだけで、１次側コイルのループ状コイル面に対
して何れかの２次側コイルのループ状コイル面が平行と
なって、１次側コイルの発生磁束が２次側コイルを通り
、確実に充電が行える。[0010] Furthermore, if a plurality of secondary coils are provided in the main body of an electric appliance, and the loop-shaped coil surfaces of the respective secondary coils are formed to intersect with each other, it is possible to pay special attention to the storage position of the main body of the electric appliance. By just storing it roughly in the box without causing any damage, the loop-shaped coil surface of one of the secondary coils will be parallel to the loop-shaped coil surface of the primary coil, and the generation of the primary coil will occur. Magnetic flux passes through the secondary coil, ensuring reliable charging.
【００１１】[0011]
【実施例】以下本発明を実施例により説明する。図１は
本実施例の充電器１１の斜視図を示しており、この充電
器１１は、導磁性の高い、例えばフェライトで作られた
箱体１２と、箱体１２の内周壁に沿うように巻回せるル
ープ状１次側コイル１３と、箱体１２の側部に内蔵され
、１次側コイル１３に１次電流として高周波電流を流す
充電回路１４（後述する図５に示す）とから構成され、
箱体１２の開口部には箱体１２と同じ磁性材料からなる
蓋１５を開閉自在に枢着している。図２は蓋１５を外し
た状態の箱体１２の平面図を、また図３は箱体１２の断
面図を示し、矢印は１次側コイル１３で発生させる磁束
の方向を示している。[Examples] The present invention will be explained below with reference to Examples. FIG. 1 shows a perspective view of a charger 11 according to this embodiment. It consists of a loop-shaped primary coil 13 that can be wound around, and a charging circuit 14 (shown in FIG. 5, which will be described later), which is built into the side of the box body 12 and flows a high-frequency current as a primary current to the primary coil 13. ,
A lid 15 made of the same magnetic material as the box 12 is pivotally attached to the opening of the box 12 so as to be openable and closable. 2 shows a plan view of the box 12 with the lid 15 removed, and FIG. 3 shows a sectional view of the box 12, with arrows indicating the direction of magnetic flux generated by the primary coil 13.
【００１２】一方例えばカード状電気かみそりのような
電気器具の電気器具本体１６では図４に示すように設置
安定状態面である平坦な表面にループ状の２次側コイル
１７を配設し、電気器具本体１６内部には後述の充電部
１９及び蓄電池１８を内蔵している。図５は、充電器１
１側の充電回路１４と、電気器具本体１６側の充電部１
９及び蓄電池１８との電気的接続関係を示す回路図を示
し、充電回路１４は交流電源ＡＣを整流する整流回路１
４ａと、整流回路１４ａの整流出力を一定の直流電圧に
設定する定電圧回路１４ｂと、この定電圧回路１４ｂの
直流電圧を電源として発振動作する発振回路１４ｃとか
らなり、発振回路１４ｃは１次側コイル１３と、コンデ
ンサＣ１とで直列共振回路を、１次側コイル１３と、コ
ンデンサＣ２とで並列共振回路を夫々構成し、１次側コ
イル１３には発振電流が流れて、交番する磁束を発生す
るようになっている。On the other hand, in the case of an electric appliance main body 16 of an electric appliance such as a card-shaped electric shaver, a loop-shaped secondary coil 17 is arranged on a flat surface that is a stable installation surface as shown in FIG. A charging section 19 and a storage battery 18, which will be described later, are built inside the device main body 16. Figure 5 shows the charger 1
The charging circuit 14 on the 1 side and the charging section 1 on the electric appliance main body 16 side
9 and a storage battery 18, the charging circuit 14 is a rectifier circuit 1 that rectifies an alternating current power supply AC.
4a, a constant voltage circuit 14b that sets the rectified output of the rectifier circuit 14a to a constant DC voltage, and an oscillation circuit 14c that operates in oscillation using the DC voltage of this constant voltage circuit 14b as a power source.The oscillation circuit 14c is a primary The side coil 13 and the capacitor C1 form a series resonant circuit, and the primary coil 13 and the capacitor C2 form a parallel resonant circuit, and an oscillating current flows through the primary coil 13 to generate an alternating magnetic flux. It's starting to happen.
【００１３】一方充電部１９は１次側コイル１３の磁束
が通ることにより電圧を誘起する２次側コイル１７の出
力を全波整流器２０で整流して、その整流出力で蓄電池
１８を充電するようになっている。蓄電池１８は操作ス
イッチＳＷを介して負荷であるモータＭに接続される。
而して、放電した蓄電池１８を充電するに当たっては、
図１に示すように電気器具本体１６を箱体１２内に収納
した後蓋１５を閉成し、電源プラグ２１を電源コンセン
トに接続すれば交流電源ＡＣより充電回路１４に電源が
供給され、充電回路１４では発振回路１４ｃが発振を開
始して、１次側コイル１３より磁束を発生する。On the other hand, the charging section 19 rectifies the output of the secondary coil 17, which induces a voltage when the magnetic flux of the primary coil 13 passes therethrough, using a full-wave rectifier 20, and charges the storage battery 18 with the rectified output. It has become. The storage battery 18 is connected to a motor M, which is a load, via an operation switch SW. Therefore, when charging the discharged storage battery 18,
As shown in FIG. 1, when the electric appliance main body 16 is housed in the box 12, the lid 15 is closed, and the power plug 21 is connected to a power outlet, power is supplied from the AC power source to the charging circuit 14, and the charging circuit 14 is charged. In the circuit 14, the oscillation circuit 14c starts oscillating, and the primary coil 13 generates magnetic flux.
【００１４】箱体１２の底部に載置された電気機器本体
１６は２次側コイル１７のループ状コイル面が必ず、１
次側コイル１３のループ状コイル面と平行しているため
、１次側コイル１３より発生する磁束は必ず２次側コイ
ル１７を通る。２次側コイル１７は磁束が通ることによ
って電圧を誘起し、この電圧により充電部１９は蓄電池
１８を充電する。The electrical equipment main body 16 placed on the bottom of the box 12 has a loop-shaped coil surface of the secondary coil 17 that is always connected to the 1
Since it is parallel to the loop-shaped coil surface of the primary coil 13, the magnetic flux generated from the primary coil 13 always passes through the secondary coil 17. The secondary coil 17 induces a voltage when magnetic flux passes therethrough, and the charging unit 19 charges the storage battery 18 with this voltage.
【００１５】充電が完了すれば、電気器具本体１６を箱
体１２内より取り出すだけで、電気器具本体１６は充電
器１１とは独立して使用することができる。尚図３では
２次側コイル１７は３ターンしか示されていないが、実
際には必要なターン数のコイルが巻回されている。
（実施例２）上記実施例では充電中であることを表示す
る手段が備わっていないが、本実施例は図６に示すよう
に上記電気機器本体１６側に表示素子ＬＥＤを設けて、
この表示素子ＬＥＤを２次側コイル１７の出力で発光さ
せ、充電中であることを表示するようになっている。When charging is completed, the electric appliance main body 16 can be used independently of the charger 11 by simply taking it out from the box 12. Although FIG. 3 shows only three turns of the secondary coil 17, the coil is actually wound with the required number of turns. (Embodiment 2) Although the above embodiment does not have a means to display that charging is in progress, this embodiment provides a display element LED on the electrical equipment main body 16 side as shown in FIG.
This display element LED is caused to emit light by the output of the secondary coil 17 to indicate that charging is in progress.
【００１６】図７は本実施例の電気器具本体１６側の回
路を示し、図示するように２次側コイル１７としてはセ
ンタータップ付のものを用い、充電部１９はダイオード
Ｄ１、Ｄ２により全波整流を行なって、蓄電池１８を充
電する充電電流を得ている。またセンタータップと２次
側コイル１７の一端との間に発光ダイオードからなる表
示素子ＬＥＤと電流制限用抵抗Ｒ０との直列回路を接続
して、２次側コイル１７の出力により表示素子ＬＥＤを
点灯するようになっている。FIG. 7 shows a circuit on the side of the electric appliance main body 16 of this embodiment. As shown in the figure, the secondary coil 17 has a center tap, and the charging section 19 is connected to the full wave by diodes D1 and D2. A charging current for charging the storage battery 18 is obtained by rectification. In addition, a series circuit consisting of a display element LED made of a light emitting diode and a current limiting resistor R0 is connected between the center tap and one end of the secondary coil 17, and the display element LED is turned on by the output of the secondary coil 17. It is supposed to be done.
【００１７】一方箱体１２内が外部より見えるように、
蓋１５（箱体１２の側壁でも良い）に光透過性の窓２２
を設けている。従って、電気器具本体１６を図６に示す
如く表示素子ＬＥＤ側を上向きにして箱体１２の中に入
れておけば、蓋１５の窓２２から表示素子ＬＥＤの状態
を視認でき、充電が正常になされているかどうかが判る
。On the other hand, so that the inside of the box 12 can be seen from the outside,
A light-transmitting window 22 is provided on the lid 15 (the side wall of the box body 12 may also be used).
has been established. Therefore, if the electric appliance main body 16 is placed in the box body 12 with the display element LED side facing upward as shown in FIG. You can see if it has been done.
【００１８】（実施例３）上記各実施例の充電器１１は
蓋１５を開けた状態でも動作可能であるため、蓋１５を
開成したまま動作させている場合、１次側コイル１３か
らの発生磁束が外部に漏れ、その漏洩磁束により周囲に
悪影響を与えるという問題がある。そこで本実施例では
、電源プラグ２１と、充電回路１２間にマイクロスイッ
チからなる開閉検出スイッチＳＷ０を図８に示すように
挿入するとともに、その駆動ボタン２３を図９に示すよ
うに箱体１２の開口縁に露出させ、蓋１５が閉成された
ときに駆動ボタン２３が押されて開閉スイッチＳＷ０が
オンし、充電回路１４と電源プラグ２１との間を接続す
るようになっている。(Embodiment 3) Since the charger 11 of each of the above embodiments can operate even with the lid 15 open, if the battery charger 11 is operated with the lid 15 open, the generation from the primary coil 13 will be reduced. There is a problem in that magnetic flux leaks to the outside, and the leaked magnetic flux adversely affects the surroundings. Therefore, in this embodiment, an open/close detection switch SW0 consisting of a microswitch is inserted between the power plug 21 and the charging circuit 12 as shown in FIG. It is exposed at the edge of the opening, and when the lid 15 is closed, the drive button 23 is pressed to turn on the opening/closing switch SW0, thereby connecting the charging circuit 14 and the power plug 21.
【００１９】つまり蓋１５が閉成されているときのみ充
電回路１４が動作可能で、そのため１次側コイル１３か
ら発生する磁束が箱体１２から漏洩するのを防止できる
。
（実施例４、５）上記実施例１、２で使用する電気器具
はカード状の電気かみそりであったが、電気ブラシのよ
うに電気器具本体１６が柱状のものでは、電気器具本体
１６の設置安定面が特定しにくいため、例えば図１０に
示すように六角柱形状の電気器具本体１６の場合には各
面にループ状の２次側コイル１７を設け、図１１に示す
ように円柱状の電気器具本体１６の場合には互いのルー
プ状アンテナ面が直交する２つのループ状の２次側コイ
ル１７を設けるとよい。That is, the charging circuit 14 is operable only when the lid 15 is closed, so that the magnetic flux generated from the primary coil 13 can be prevented from leaking from the box 12. (Examples 4 and 5) The electric appliance used in Examples 1 and 2 above was a card-shaped electric shaver, but when the electric appliance body 16 is columnar, such as an electric brush, the installation of the electric appliance body 16 is difficult. Because it is difficult to identify the stable surface, for example, in the case of a hexagonal columnar electric appliance main body 16 as shown in FIG. 10, a loop-shaped secondary coil 17 is provided on each surface, and a cylindrical In the case of the electrical appliance main body 16, it is preferable to provide two loop-shaped secondary coils 17 whose loop-shaped antenna surfaces are orthogonal to each other.
【００２０】つまり何れの場合にも図１に示す充電器１
１の箱体１２内に特に位置決めせずに置いた時、図１０
の実施例の場合では必ず２つの２次側コイル１７のルー
プ状アンテナ面が、１次側コイル１３のループ状アンテ
ナ面と平行になり、充電部１９は主としてその二つの２
次側コイル１７の出力で蓄電池１８を充電する。また図
１１の実施例の場合では２つの２次側コイル１７がどの
ような位置に配置されるか不定であるが、必ず１次側コ
イル１３より発生する磁束が通る２次側コイル１７が存
在し、その２次側コイル１７の出力により充電部１９は
蓄電池１８を充電することができる。In other words, in either case, the charger 1 shown in FIG.
When placed in the box 12 of No. 1 without any particular positioning, Fig. 10
In the case of the above embodiment, the loop antenna surfaces of the two secondary coils 17 are always parallel to the loop antenna surface of the primary coil 13, and the charging section 19 mainly connects the two secondary coils 17.
The storage battery 18 is charged with the output of the next coil 17. In addition, in the case of the embodiment shown in FIG. 11, although it is unclear where the two secondary coils 17 are placed, there is always a secondary coil 17 through which the magnetic flux generated from the primary coil 13 passes. However, the charging section 19 can charge the storage battery 18 by the output of the secondary coil 17.
【００２１】[0021]
【発明の効果】請求項１記載の発明は、少なくとも１個
以上のループ状の２次側コイルと、この２次側コイルの
出力で蓄電池を充電する充電部とを電気器具本体に設け
、充電部に充電用電力を与える充電器を、内部に電気器
具本体を出し入れ自在に収納する磁性材料製の箱体と、
箱体の内周面に沿って巻回せるループ状１次側コイルと
、上記１次側コイルに１次電流を流す充電回路とで構成
し、箱体内に収納された小型電気器具本体の２次側コイ
ルに、１次電流の通電で１次側コイルに発生する磁束に
て充電用電力を供給するから、箱体内に電気器具本体を
収納位置を気にせずに収納するだけで、充電回路からの
通電で発生する１次側コイルの磁束を電気器具本体内の
２次側コイルに通すことができ、結果２次側コイルに電
圧を誘起させてこの誘起電圧により充電部で蓄電池を充
電することができるものであり、また１次側コイルで発
生する磁束は箱体が磁性材料からなるため外へは漏れに
くく、磁性材料からなる蓋等で箱体の開口部を閉塞して
充電を行えば、漏洩磁束が周囲に影響を与えることがな
く、また発生磁束の利用効率が高くなるという効果があ
る。[Effects of the Invention] The invention as claimed in claim 1 provides an electric appliance main body with at least one loop-shaped secondary coil and a charging section that charges a storage battery with the output of the secondary coil. A box body made of a magnetic material that stores a charger that provides charging power to the unit, and a box body made of a magnetic material that stores the electrical appliance main body in a manner that allows the main body of the electrical appliance to be freely inserted and removed;
It consists of a loop-shaped primary coil that can be wound along the inner circumferential surface of the box, and a charging circuit that supplies a primary current to the primary coil. Charging power is supplied to the side coil by the magnetic flux generated in the primary coil when the primary current is applied, so you can simply store the appliance in the box without worrying about its storage position, and it will be disconnected from the charging circuit. The magnetic flux of the primary coil generated by energization can be passed through the secondary coil in the appliance body, and as a result, a voltage is induced in the secondary coil, and this induced voltage charges the storage battery in the charging part. The magnetic flux generated by the primary coil is difficult to leak outside because the box is made of magnetic material, so if charging is performed by closing the opening of the box with a lid made of magnetic material, This has the effect that the leakage magnetic flux does not affect the surroundings, and the efficiency of using the generated magnetic flux is increased.
【００２２】請求項２記載の発明は、２次側コイルを１
つとするとともに、２次側コイルのループ状コイル面を
、電気器具本体の設置安定状態面と平行になるように形
成しているので、電気器具本体を安定状態に箱体内に収
納するだけで、１次側コイルのループ状コイル面と、２
次側ループ状コイル面とが平行をなし、１次側コイルの
磁束が２次側コイルを通って電気器具本体内の充電部へ
効率良く電力を与えることができるという効果がある。[0022] According to the second aspect of the invention, the secondary coil is
In addition, the loop-shaped coil surface of the secondary coil is formed to be parallel to the installation stable state surface of the electrical appliance main body, so simply by storing the electrical equipment main body in a stable state inside the box, The loop-shaped coil surface of the primary coil, and the
The surface of the loop-shaped coil on the next side is parallel to the surface of the coil on the primary side, and the magnetic flux of the primary side coil passes through the secondary side coil to efficiently supply electric power to the charging part in the main body of the electric appliance.
【００２３】請求項３記載の発明は、電気器具本体に設
けられる２次側コイルを複数個とするとともに、各２次
側コイルのループ状コイル面を互いに交差するように形
成しているので、電気器具本体の収納位置を特に気にす
ること無くラフに箱体内に収納するだけで、１次側コイ
ルのループ状コイル面に対して何れかの２次側コイルの
ループ状コイル面が平行となって、１次側コイルの発生
磁束が２次側コイルを通り、確実に充電が行えるという
効果がある。[0023] According to the third aspect of the present invention, a plurality of secondary coils are provided in the main body of the electric appliance, and the loop-shaped coil surfaces of the respective secondary coils are formed to intersect with each other. By just storing the appliance roughly in the box without worrying about the storage position of the appliance, the loop-shaped coil surface of one of the secondary coils will be parallel to the loop-shaped coil surface of the primary coil. Therefore, the magnetic flux generated by the primary coil passes through the secondary coil, and there is an effect that charging can be performed reliably.
【図１】本発明の実施例１の充電器の斜視図である。FIG. 1 is a perspective view of a charger according to a first embodiment of the present invention.
【図２】本発明の実施例１の充電器の蓋を外した状態の
平面図である。FIG. 2 is a plan view of the charger according to the first embodiment of the present invention with the lid removed.
【図３】本発明の実施例１の充電器の断面図である。FIG. 3 is a sectional view of the charger according to the first embodiment of the present invention.
【図４】本発明の実施例１の電気器具本体の拡大斜視図
である。FIG. 4 is an enlarged perspective view of the electrical appliance main body according to the first embodiment of the present invention.
【図５】本発明の実施例１の電気回路図である。FIG. 5 is an electrical circuit diagram of Embodiment 1 of the present invention.
【図６】本発明の実施例２の充電器の斜視図である。FIG. 6 is a perspective view of a charger according to a second embodiment of the present invention.
【図７】本発明の実施例２の充電部の回路図である。FIG. 7 is a circuit diagram of a charging section according to a second embodiment of the present invention.
【図８】本発明の実施例３の充電器の概略回路構成図で
ある。FIG. 8 is a schematic circuit configuration diagram of a charger according to a third embodiment of the present invention.
【図９】本発明の実施例３の充電器の斜視図である。FIG. 9 is a perspective view of a charger according to a third embodiment of the present invention.
【図１０】本発明の実施例４の電気器具本体の拡大斜視
図である。FIG. 10 is an enlarged perspective view of a main body of an electric appliance according to a fourth embodiment of the present invention.
【図１１】本発明の実施例５の電気器具本体の拡大斜視
図である。FIG. 11 is an enlarged perspective view of a main body of an electric appliance according to a fifth embodiment of the present invention.
【図１２】従来例の概略構成図である。FIG. 12 is a schematic configuration diagram of a conventional example.
【図１３】従来例の充電部の回路図である。FIG. 13 is a circuit diagram of a conventional charging section.
１１ 充電器 １２ 箱体 １３ １次側コイル １５ 蓋体 １６ 電気器具本体 １７ ２次側コイル 11 Charger 12 Box body 13 Primary coil 15 Lid body 16 Electrical appliance body 17 Secondary coil
Claims (3)
イルと、この２次側コイルの出力で蓄電池を充電する充
電部とを電気器具本体に設け、充電部に充電用電力を与
える充電器を、内部に電気器具本体を出し入れ自在に収
納する磁性材料製の箱体と、箱体の内周面に沿って巻回
せるループ状１次側コイルと、１次側コイルに１次電流
を流す充電回路とで構成し、箱体内に収納された電気器
具本体の２次側コイルに、１次電流の通電で１次側コイ
ルに発生する磁束にて充電用電力を供給することを特徴
とする充電式電気器具の非接触充電装置。Claim 1: A charging device in which at least one loop-shaped secondary coil and a charging section for charging a storage battery with the output of the secondary coil are provided in the main body of an electric appliance, and supplying electric power for charging to the charging section. The device consists of a box made of magnetic material that stores the electrical appliance body inside and out, a loop-shaped primary coil that can be wound along the inner circumferential surface of the box, and a primary current to the primary coil. It is characterized by a charging circuit that supplies charging power to the secondary coil of the appliance main body housed in the box using magnetic flux generated in the primary coil when the primary current is energized. A non-contact charging device for rechargeable electrical appliances.
１つとするとともに、２次側コイルのループ状コイル面
を、電気器具本体の設置安定状態面と平行になるように
形成したことを特徴とする請求項１記載の充電式電気器
具の非接触充電装置。Claim 2: The number of secondary coils provided in the electrical appliance body is one, and the loop-shaped coil surface of the secondary coil is formed to be parallel to the installation stable state surface of the electrical appliance body. A non-contact charging device for a rechargeable electric appliance according to claim 1.
複数個とするとともに、各２次側コイルのループ状コイ
ル面を互いに交差するように形成したことを特徴とする
請求項１記載の充電式電気器具の非接触充電装置。3. The appliance according to claim 1, wherein a plurality of secondary coils are provided in the electric appliance main body, and the loop-shaped coil surfaces of each secondary coil are formed to intersect with each other. Contactless charging device for rechargeable appliances.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3080314A JPH04317527A (en) | 1991-04-15 | 1991-04-15 | Noncontact charger for rechargeable electric appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3080314A JPH04317527A (en) | 1991-04-15 | 1991-04-15 | Noncontact charger for rechargeable electric appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04317527A true JPH04317527A (en) | 1992-11-09 |
Family
ID=13714805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3080314A Withdrawn JPH04317527A (en) | 1991-04-15 | 1991-04-15 | Noncontact charger for rechargeable electric appliance |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04317527A (en) |
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| KR20020057469A (en) * | 2001-01-05 | 2002-07-11 | 윤종용 | A coreless low-profile pcb transformer and contactless battery charger using the pcb transformer |
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