JP3506006B2 - Secondary side power receiving circuit of non-contact power supply equipment - Google Patents

Secondary side power receiving circuit of non-contact power supply equipment

Info

Publication number
JP3506006B2
JP3506006B2 JP14492598A JP14492598A JP3506006B2 JP 3506006 B2 JP3506006 B2 JP 3506006B2 JP 14492598 A JP14492598 A JP 14492598A JP 14492598 A JP14492598 A JP 14492598A JP 3506006 B2 JP3506006 B2 JP 3506006B2
Authority
JP
Japan
Prior art keywords
circuit
load
receiving circuit
secondary side
power receiving
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.)
Expired - Fee Related
Application number
JP14492598A
Other languages
Japanese (ja)
Other versions
JPH11341713A (en
Inventor
知己 今中
剛 久野
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.)
Daifuku Co Ltd
Original Assignee
Daifuku Co Ltd
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 Daifuku Co Ltd filed Critical Daifuku Co Ltd
Priority to JP14492598A priority Critical patent/JP3506006B2/en
Publication of JPH11341713A publication Critical patent/JPH11341713A/en
Application granted granted Critical
Publication of JP3506006B2 publication Critical patent/JP3506006B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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、無接触給電設備の
2次側受電回路、特にその保護回路に関するものであ
る。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a secondary side power receiving circuit of a contactless power feeding facility, and more particularly to a protection circuit thereof.

【0002】[0002]

【従来の技術】従来の無接触給電設備の2次側受電回路
の一例を図3により説明する。2次側受電回路は、高周
波電流を流す1次側誘導線路1に対向してコイル2を設
け、このコイル2に、コイル2とともに誘導線路1の周
波数に共振する共振回路を形成するコンデンサ3を接続
し、このコンデンサ3に整流回路4を接続し、さらに整
流回路4に、出力電圧VDCを基準電圧VEに制御する定
電圧制御回路5を接続して構成されている。負荷6は定
電圧制御回路5に接続され、この定電圧制御回路5より
負荷6へ給電される。また上記コイル2とコンデンサ3
により、誘導線路1より起電力が誘起されるピックアッ
プ部が構成される。
2. Description of the Related Art An example of a conventional secondary side power receiving circuit of a contactless power feeding facility will be described with reference to FIG. The secondary side power receiving circuit is provided with a coil 2 facing the primary side induction line 1 through which a high frequency current flows, and a capacitor 3 forming a resonance circuit resonating at the frequency of the induction line 1 together with the coil 2 in the coil 2. The capacitor 3 is connected to the rectifier circuit 4, and the rectifier circuit 4 is connected to a constant voltage control circuit 5 for controlling the output voltage V DC to the reference voltage V E. The load 6 is connected to the constant voltage control circuit 5, and the constant voltage control circuit 5 supplies power to the load 6. Also, the coil 2 and the capacitor 3
Thus, the pickup section in which the electromotive force is induced by the induction line 1 is configured.

【0003】上記定電圧制御回路5は、電流制限用のコ
イル7と、上記基準電圧VEを発生する電圧発生器8
と、出力電圧VDCと電圧発生器8の基準電圧VE とを
比較するコンパレータ9と、出力電圧VDCが基準電圧V
Eを越えた場合にコンパレータ9によりオンされる出力
調整用トランジスタ10と、フィルタを形成するダイオー
ド11およびコンデンサ12から構成されている。基準電圧
Eは、全負荷6に給電しているときを想定した高電圧
に設定されている。負荷6の電力は、使用電圧V DC、す
なわち基準電圧VEを大きくとると、大きくなる。
The constant voltage control circuit 5 is a current limiting circuit.
7 and the reference voltage VEVoltage generator 8 for generating
And the output voltage VDCAnd the reference voltage V of the voltage generator 8E  And
Comparator 9 for comparison and output voltage VDCIs the reference voltage V
EOutput that is turned on by the comparator 9 when it exceeds
The adjusting transistor 10 and the diode that forms the filter.
It is composed of a battery 11 and a capacitor 12. Reference voltage
VEIs a high voltage that is assumed when power is being supplied to the full load 6.
Is set to. The power of the load 6 is the working voltage V DCYou
That is, reference voltage VEThe larger is, the larger.

【0004】この定電圧制御回路5の構成により、負荷
6が減少すると、出力電圧VDCが上昇し、出力電圧VDC
が基準電圧VEを越えると、コンパレータ9によりトラ
ンジスタ10がオンされ、出力電圧VDCが下げられて、出
力電圧VDCが基準電圧VEに維持される。
With the configuration of the constant voltage control circuit 5, when the load 6 decreases, the output voltage V DC rises and the output voltage V DC increases.
There exceeds the reference voltage V E, the comparator 9 the transistor 10 is turned on, is lowered output voltage V DC is, the output voltage V DC is maintained at the reference voltage V E.

【0005】[0005]

【発明が解決しようとする課題】しかし、このような従
来の無接触給電設備の2次側受電回路では、共振回路
(ピックアップ部)の暴走により異常電圧が発生する
と、異常電圧が定電圧制御回路5と負荷6に印加され、
素子などの部品を破損する恐れがあった。
However, in such a secondary side power receiving circuit of a conventional contactless power feeding facility, when an abnormal voltage occurs due to a runaway of a resonance circuit (pickup section), the abnormal voltage is controlled by a constant voltage control circuit. 5 and load 6,
There was a risk of damaging components such as elements.

【0006】そこで本発明は、共振回路の異常電圧発生
時においても、回路を保護できる無接触給電設備の2次
側受電回路を提供することを目的としたものである。
Therefore, an object of the present invention is to provide a secondary side power receiving circuit of a contactless power feeding facility which can protect the circuit even when an abnormal voltage occurs in the resonance circuit.

【0007】[0007]

【課題を解決するための手段】上記問題を解決するため
第1発明の無接触給電設備の2次側受電回路は、高周波
電流を流す1次側誘導線路に対向して、前記誘導線路よ
り起電力が誘起されるピックアップ部を設け、このピッ
クアップ部より負荷に給電する無接触給電設備の2次側
受電回路であって、前記負荷の電圧が所定電圧以上とな
ると動作する過電圧検出手段と、前記ピックアップ部に
取り付けられた、非磁性体の一対の導線をそれぞれ所定
温度で軟化する絶縁体で被覆し、これら絶縁体で被覆さ
れた導線を撚り合わせて形成した感熱線と、前記過電圧
検出手段の動作により、前記感熱線の絶縁体を軟化さ
せ、導線間を短絡させる短絡手段を備えたことを特徴と
するものである。
In order to solve the above problems, the secondary side power receiving circuit of the contactless power feeding equipment of the first aspect of the invention faces the primary side inductive line through which a high frequency current flows and is generated from the inductive line. A secondary-side power receiving circuit of a contactless power feeding facility, in which a pickup unit for inducing electric power is provided, and power is supplied to the load from the pickup unit, the overvoltage detecting unit operating when the voltage of the load becomes a predetermined voltage or more; A pair of non-magnetic conductors attached to the pickup unit are coated with an insulator that softens at a predetermined temperature, and a heat-sensitive wire formed by twisting the conductors covered with these insulators and the overvoltage detection unit. It is characterized in that it is provided with a short-circuiting means for softening the insulator of the heat-sensitive wire by operation to short-circuit between the conductors.

【0008】上記構成によれば、ピックアップ部の異常
電圧発生により過電圧検出手段が動作し、これにより短
絡手段が動作し、感熱線の絶縁体が軟化して、導線間が
短絡し、この短絡した導線によりピックアップ部の両端
が短絡される。よって、負荷への給電が遮断され、異常
電圧が負荷に印加されることが防止される。また感熱線
は非磁性体の導線により形成されることから、誘導線路
より電磁誘導の影響を受けず、自己発熱はなく、また折
り曲げの影響を受けず、施工が容易である。
According to the above construction, the abnormal voltage generated in the pickup section causes the overvoltage detecting means to operate, thereby causing the short-circuiting means to operate, softening the insulator of the heat-sensitive wire, short-circuiting the conductors, and this short-circuiting. Both ends of the pickup section are short-circuited by the conductive wire. Therefore, the power supply to the load is cut off and the abnormal voltage is prevented from being applied to the load. Further, since the heat-sensitive wire is formed by a non-magnetic conductor wire, it is not affected by electromagnetic induction from the guide line, is not self-heated, and is not affected by bending and is easy to install.

【0009】また第2発明の無接触給電設備の2次側受
電回路は、上記第1発明の無接触給電設備の2次側受電
回路であって、ピックアップ部と負荷の間に、遮断器を
介装し、過電圧検出手段の動作により、前記遮断器を動
作させてピックアップ部と負荷間を遮断することを特徴
とするものである。
Further, the secondary side power receiving circuit of the contactless power feeding equipment of the second invention is the secondary side power receiving circuit of the contactless power feeding equipment of the first invention, wherein a circuit breaker is provided between the pickup section and the load. It is characterized in that the circuit breaker is operated and the circuit breaker is operated by the operation of the overvoltage detecting means to disconnect between the pickup section and the load.

【0010】上記構成によれば、過電圧検出手段の動作
により遮断器が動作してピックアップ部と負荷間が遮断
され、よってさらに確実に負荷への給電が遮断される。
According to the above construction, the circuit breaker operates due to the operation of the overvoltage detecting means, so that the pickup section and the load are cut off from each other, so that the power supply to the load is cut off more reliably.

【0011】[0011]

【実施の形態】以下、本発明の実施の形態を図面に基づ
いて説明する。なお、従来例の図3の構成と同一の構成
には同一の符号を付して説明を省略する。
Embodiments of the present invention will be described below with reference to the drawings. It should be noted that the same components as those of the conventional example shown in FIG.

【0012】図1は本発明の実施の形態における無接触
給電設備の2次側受電回路の回路構成図である。本実施
の形態1の2次側受電回路は、ピックアップ部(コイル
2とコンデンサ3の共振回路)の両端部に、先端をオー
プンとした感熱線21を接続し、定電圧制御回路5と負荷
6との間に遮断器としてサーキットプロテクタ22を介装
し、このサーキットプロテクタ22の引き外しコイル22A
とサージアブソーバ23の直列回路を負荷6の両端に接続
している。サージアブソーバ23は過電圧検出手段の一例
である。
FIG. 1 is a circuit configuration diagram of a secondary side power receiving circuit of a contactless power feeding facility according to an embodiment of the present invention. In the secondary side power receiving circuit of the first embodiment, a heat sensitive wire 21 having an open end is connected to both ends of a pickup section (a resonance circuit of the coil 2 and the capacitor 3), and a constant voltage control circuit 5 and a load 6 are connected. A circuit protector 22 as a circuit breaker is provided between the circuit protector 22 and
A series circuit of the surge absorber 23 and the surge absorber 23 is connected to both ends of the load 6. The surge absorber 23 is an example of overvoltage detection means.

【0013】また感熱線21には、感熱線21の短絡手段と
してニクロム線24が巻かれており、ニクロム線24の両端
はサーキットプロテクタ22の補助接点22Bを介して定電
圧制御回路5の出力端に接続されている。この補助接点
22Bは警報接点であり、引き外しコイル22Aに通電され
たときのみ、オン(閉)となる接点を使用している。
A nichrome wire 24 is wound around the heat-sensitive wire 21 as a short-circuiting means for the heat-sensitive wire 21, and both ends of the nichrome wire 24 are output terminals of the constant voltage control circuit 5 via auxiliary contacts 22B of the circuit protector 22. It is connected to the. This auxiliary contact
22B is an alarm contact, which uses a contact that is turned on (closed) only when the trip coil 22A is energized.

【0014】上記感熱線21は、図2に示すように、非磁
性体のリン青銅丸線からなる一対の導線31上にそれぞ
れ、熱に鋭敏なサーモプラスチックからなる絶縁体32を
被覆し、これら絶縁体32を被覆した一対の導線31を撚り
あわせ、その上にテープ33とシース34を被覆して構成さ
れている。この感熱線21は、周囲温度が一定温度に達す
ると、絶縁体32が軟化するとともに、撚りあわされた一
対の導線31がスプリングアクションを起こして短絡す
る。
As shown in FIG. 2, the heat-sensitive wire 21 is formed by coating a pair of conductive wires 31 made of non-magnetic phosphor bronze round wires with an insulating material 32 made of thermosensitive thermosensitive plastic. A pair of conductive wires 31 coated with an insulator 32 are twisted together, and a tape 33 and a sheath 34 are coated thereon. In this heat-sensitive wire 21, when the ambient temperature reaches a certain temperature, the insulator 32 is softened, and the pair of twisted conducting wires 31 cause a spring action to be short-circuited.

【0015】またサージアブソーバ23は、負荷6が許容
できる最大電圧により設定されており、この許容最大電
圧以上の電圧が印加されると、電流が流れる。このサー
ジアブソーバ23として、たとえばバリスタ、アバンラッ
シュ・ダイオード、アレスタなどが使用される。
The surge absorber 23 is set by the maximum voltage that the load 6 can tolerate, and a current flows when a voltage higher than the tolerable maximum voltage is applied. As the surge absorber 23, for example, a varistor, an avan rush diode, an arrester or the like is used.

【0016】上記2次側受電回路の回路構成による作用
を説明する。高周波、たとえば10kHz の正弦波電流が
誘導線路1に供給され、この誘導線路1に発生する磁束
により、誘導線路1の周波数に共振するピックアップコ
イル2に大きな起電力が発生し、この起電力により発生
した交流電流は整流回路4で整流され、定電圧制御回路
5により基準電圧に整圧されて負荷6へ供給される。
The operation of the circuit configuration of the secondary side power receiving circuit will be described. A high-frequency, for example, 10 kHz sinusoidal current is supplied to the induction line 1, and the magnetic flux generated in the induction line 1 causes a large electromotive force in the pickup coil 2 that resonates at the frequency of the induction line 1. The generated alternating current is rectified by the rectifying circuit 4, regulated to a reference voltage by the constant voltage control circuit 5, and supplied to the load 6.

【0017】そして万一、共振回路が暴走して異常電圧
が発生し、サージアブソーバ23に許容最大電圧以上の電
圧が印加されると、電流が流れて、負荷6へ異常電圧が
印加されることが防止され、同時にサーキットプロテク
タ22の引き外しコイル22Aに電流が流れてサーキットプ
ロテクタ22が動作し、給電側(ピックアップ部)と負荷
6間が遮断され、よって確実に負荷6への給電が遮断さ
れ、負荷6の電圧は0となり、異常電圧が負荷6へ印加
されることが防止される。またこのとき、サーキットプ
ロテクタ22の補助接点22Bがオン(閉)となり、ニクロ
ム線24へ通電され、よってニクロム線24が発熱し、この
発熱により感熱線21が加熱され、例えば温度90℃に達
すると、絶縁体34が軟化するとともに、撚りあわされた
一対の導線31がスプリングアクションを起こして短絡
し、ピックアップ部の両端が短絡され、一対の導線31と
ピックアップ部により閉回路が形成される。よって、定
電圧制御回路5と負荷6への給電が遮断され、異常電圧
がこれら回路へ印加されることが防止される。
If the resonance circuit runs away and an abnormal voltage is generated and a voltage exceeding the allowable maximum voltage is applied to the surge absorber 23, a current flows and the abnormal voltage is applied to the load 6. Is prevented, and at the same time, a current flows through the trip coil 22A of the circuit protector 22 to operate the circuit protector 22, and the power supply side (pickup part) and the load 6 are disconnected from each other, so that the power supply to the load 6 is surely cut off. , The voltage of the load 6 becomes 0, and an abnormal voltage is prevented from being applied to the load 6. At this time, the auxiliary contact 22B of the circuit protector 22 is turned on (closed), the nichrome wire 24 is energized, the nichrome wire 24 generates heat, and the heat-sensitive wire 21 is heated by this heat generation, for example, when the temperature reaches 90 ° C. While the insulator 34 is softened, the pair of twisted conductors 31 short-circuit due to a spring action to short-circuit both ends of the pickup section, and the pair of conductors 31 and the pickup section form a closed circuit. Therefore, the power supply to the constant voltage control circuit 5 and the load 6 is cut off, and the abnormal voltage is prevented from being applied to these circuits.

【0018】このように、共振回路に異常電圧が発生し
たときに電圧制御回路5と負荷6を給電側より引き外す
ことができ、異常電圧が定電圧制御回路5と負荷6へ印
加されることを防止でき、素子の破損などの恐れを回避
することができる。また、2次側受電回路の異常が内部
で処理されるため、誘導線路1へ影響を与えることな
く、他の正常な2次側回路は動作を続行することができ
る。
Thus, when an abnormal voltage is generated in the resonance circuit, the voltage control circuit 5 and the load 6 can be pulled out from the power supply side, and the abnormal voltage is applied to the constant voltage control circuit 5 and the load 6. Can be prevented, and the risk of damage to the element can be avoided. Further, since the abnormality of the secondary side power receiving circuit is internally processed, the normal secondary side circuit can continue to operate without affecting the induction line 1.

【0019】また感熱線21は非磁性体の導線により形成
されることから、誘導線路1より電磁誘導の影響を受け
ず、自己発熱はなく、また折り曲げの影響を受けず、施
工が容易である。また、感熱線21自体のコストも安く、
設備のコストを抑えることができる。
Further, since the heat-sensitive wire 21 is formed of a non-magnetic conductor wire, it is not affected by electromagnetic induction from the guide line 1, does not generate heat by itself, and is not affected by bending and is easy to install. . Also, the cost of the heat sensitive wire 21 itself is low,
The cost of equipment can be suppressed.

【0020】なお、本実施の形態では、サーキットプロ
テクタ22を介装し機械的に負荷を切り離しているが、感
熱線21を短絡させてピックアップ部を短絡させて電気的
に給電を停止するだけでも、同様に異常電圧が定電圧制
御回路5と負荷6へ印加されることを防止でき、素子の
破損などの恐れを回避することができる。
In this embodiment, the circuit protector 22 is interposed to mechanically disconnect the load. However, the heat-sensitive wire 21 is short-circuited to short-circuit the pickup unit to electrically stop the power supply. Similarly, it is possible to prevent an abnormal voltage from being applied to the constant voltage control circuit 5 and the load 6, and it is possible to avoid the risk of element damage or the like.

【0021】また、本実施の形態では、サージアブソー
バ23の動作により、感熱線21の絶縁体32を軟化させ、導
線31間を短絡させる短絡手段としてニクロム線24を使用
しているが、電流の通電で発熱する発熱体であればよ
い。
Further, in the present embodiment, the nichrome wire 24 is used as a short-circuiting means for short-circuiting the conductors 31 by softening the insulator 32 of the heat-sensitive wire 21 by the operation of the surge absorber 23. Any heating element that generates heat when energized may be used.

【0022】また、本実施の形態では、過電圧検出手段
としてサージアブソーバ23を使用しているが、サージア
ブソーバ23に限る必要はなく、負荷6へ印加される電圧
が許容最大電圧以上となると動作し、サーキットプロテ
クタ22を動作させ、感熱線21の導線31間を短絡させる手
段であればよい。また遮断器としてサーキットプロテク
タ22を使用しているが、サーキットプロテクタ22に限る
必要はなく、上記過電圧検出手段の動作により、ピック
アップ部と負荷6間を遮断できる手段であればよい。
Further, in the present embodiment, the surge absorber 23 is used as the overvoltage detecting means, but the surge absorber 23 is not limited to the surge absorber 23, and operates when the voltage applied to the load 6 exceeds the maximum allowable voltage. Any means may be used as long as it operates the circuit protector 22 and short-circuits the conductors 31 of the heat-sensitive wire 21. Although the circuit protector 22 is used as the circuit breaker, the circuit protector is not limited to the circuit protector 22, and any means can be used as long as it can interrupt the pickup section and the load 6 by the operation of the overvoltage detecting means.

【0023】[0023]

【発明の効果】以上説明したように本発明によれば、ピ
ックアップ部の異常電圧発生により過電圧検出手段が動
作し、これにより短絡手段が動作し、感熱線の絶縁体が
軟化して、導線間が短絡し、この短絡した導線によりピ
ックアップ部の両端が短絡されることによって、負荷へ
の給電が遮断され、異常電圧が負荷へ印加されることを
防止できる。
As described above, according to the present invention, the overvoltage detecting means operates due to the abnormal voltage generation in the pickup section, the short-circuiting means operates, and the insulator of the heat-sensitive wire is softened. Is short-circuited, and both ends of the pickup section are short-circuited by the short-circuited conductive wire, so that power supply to the load is interrupted and abnormal voltage can be prevented from being applied to the load.

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

【図1】本発明の実施の形態における無接触給電設備の
2次側受電回路の回路構成図である。
FIG. 1 is a circuit configuration diagram of a secondary side power receiving circuit of a contactless power feeding facility according to an embodiment of the present invention.

【図2】同無接触給電設備の2次側受電回路の感熱線の
断面、および側面図である。
FIG. 2 is a cross-sectional view and a side view of a heat-sensitive wire of a secondary side power receiving circuit of the contactless power feeding facility.

【図3】従来の無接触給電設備の2次側受電回路の回路
構成図である。
FIG. 3 is a circuit configuration diagram of a secondary side power receiving circuit of a conventional contactless power feeding facility.

【符号の説明】[Explanation of symbols]

1 誘導線路 2 ピックアップコイル 3 コンデンサ 4 整流回路 5 定電圧制御回路 6 負荷 21 感熱線 22 サーキットプロテクタ(遮断器) 22A サーキットプロテクタの引き外しコイル 22B サーキットプロテクタの補助接点 23 サージアブソーバ(過電圧検出手段) 24 ニクロム線 31 導線 32 絶縁体 33 テープ 34 シース 1 induction line 2 pickup coil 3 capacitors 4 Rectifier circuit 5 Constant voltage control circuit 6 load 21 heat sensitive wire 22 Circuit protector 22A Circuit protector trip coil 22B Circuit protector auxiliary contact 23 Surge absorber (overvoltage detection means) 24 Nichrome wire 31 conductor 32 insulator 33 tapes 34 sheath

───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平7−170681(JP,A) 特開 平5−338765(JP,A) 特開 平5−336607(JP,A) 国際公開97/42695(WO,A1) (58)調査した分野(Int.Cl.7,DB名) H02J 17/00 H01F 38/14 H02H 9/04 B60L 11/18 B60L 5/00 B65G 43/00 ─────────────────────────────────────────────────── --Continued from the front page (56) Reference JP-A-7-170681 (JP, A) JP-A-5-338765 (JP, A) JP-A-5-336607 (JP, A) International Publication 97/42695 (WO, A1) (58) Fields investigated (Int.Cl. 7 , DB name) H02J 17/00 H01F 38/14 H02H 9/04 B60L 11/18 B60L 5/00 B65G 43/00

Claims (2)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 高周波電流を流す1次側誘導線路に対向
して、前記誘導線路より起電力が誘起されるピックアッ
プ部を設け、このピックアップ部より負荷に給電する無
接触給電設備の2次側受電回路であって、 前記負荷へ印加される電圧が所定電圧以上となると動作
する過電圧検出手段と、 前記ピックアップ部に取り付けられた、非磁性体の一対
の導線をそれぞれ所定温度で軟化する絶縁体で被覆し、
これら絶縁体で被覆された導線を撚り合わせて形成した
感熱線と、 前記過電圧検出手段の動作により、前記感熱線の絶縁体
を軟化させ、導線間を短絡させる短絡手段を備えたこと
を特徴とする無接触給電設備の2次側受電回路。
1. A secondary side of a contactless power feeding facility, which is provided with a pickup unit facing the primary side induction line through which a high-frequency current flows and in which electromotive force is induced by the induction line, and which supplies power to a load from the pickup unit. An electric power receiving circuit, which operates when a voltage applied to the load becomes equal to or higher than a predetermined voltage, and an insulator which softens a pair of non-magnetic conductor wires attached to the pickup unit at predetermined temperatures. Coated with
A heat-sensitive wire formed by twisting conductors covered with these insulators, and a short-circuiting means for softening the insulator of the heat-sensitive wire by the operation of the overvoltage detecting means to short-circuit the conductors. Secondary power receiving circuit of contactless power supply equipment.
【請求項2】 ピックアップ部と負荷の間に、遮断器を
介装し、過電圧検出手段の動作により、前記遮断器を動
作させてピックアップ部と負荷間を遮断することを特徴
とする請求項1記載の無接触給電設備の2次側受電回
路。
2. A circuit breaker is interposed between the pickup section and the load, and the circuit breaker is operated by the operation of the overvoltage detecting means to cut off between the pickup section and the load. Secondary side power receiving circuit of the contactless power feeding facility described.
JP14492598A 1998-05-27 1998-05-27 Secondary side power receiving circuit of non-contact power supply equipment Expired - Fee Related JP3506006B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14492598A JP3506006B2 (en) 1998-05-27 1998-05-27 Secondary side power receiving circuit of non-contact power supply equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14492598A JP3506006B2 (en) 1998-05-27 1998-05-27 Secondary side power receiving circuit of non-contact power supply equipment

Publications (2)

Publication Number Publication Date
JPH11341713A JPH11341713A (en) 1999-12-10
JP3506006B2 true JP3506006B2 (en) 2004-03-15

Family

ID=15373415

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14492598A Expired - Fee Related JP3506006B2 (en) 1998-05-27 1998-05-27 Secondary side power receiving circuit of non-contact power supply equipment

Country Status (1)

Country Link
JP (1) JP3506006B2 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6330516B1 (en) * 2000-03-27 2001-12-11 Power Distribution, Inc. Branch circuit monitor
JP3505618B2 (en) 2000-09-04 2004-03-08 株式会社椿本チエイン Power supply device, transport vehicle and transport system
US7453267B2 (en) 2005-01-14 2008-11-18 Power Measurement Ltd. Branch circuit monitor system
WO2010032309A1 (en) * 2008-09-19 2010-03-25 トヨタ自動車株式会社 Noncontact power receiving device and vehicle equipped with it
JP5488505B2 (en) 2011-03-16 2014-05-14 株式会社ダイフク Contactless power supply equipment
KR101379747B1 (en) * 2012-05-22 2014-04-02 (주)그린파워 Protection Circuit for Wireless Power Transfer Apparatus
KR101930805B1 (en) 2012-07-10 2018-12-20 삼성전자주식회사 Method and apparatus for wireless power reception
JP5481598B1 (en) * 2013-05-20 2014-04-23 Necトーキン株式会社 Communication device
JP2016119759A (en) * 2014-12-19 2016-06-30 株式会社Ihi Non-contact power supply system and power transmission device
KR102408017B1 (en) * 2020-06-11 2022-06-14 한국전력공사 Transformer using induced voltage of cable sheath and method of operation thereof
KR102297574B1 (en) * 2020-12-08 2021-09-06 (주)그린파워 Automatic Transportation System

Also Published As

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