JPH11178248A - Power circuit for non-contact power supply - Google Patents

Power circuit for non-contact power supply

Info

Publication number
JPH11178248A
JPH11178248A JP9336122A JP33612297A JPH11178248A JP H11178248 A JPH11178248 A JP H11178248A JP 9336122 A JP9336122 A JP 9336122A JP 33612297 A JP33612297 A JP 33612297A JP H11178248 A JPH11178248 A JP H11178248A
Authority
JP
Japan
Prior art keywords
power supply
circuit
frequency
communication
coil
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
JP9336122A
Other languages
Japanese (ja)
Inventor
Atsushi Okuno
敦 奥野
Hitoshi Kono
等 河野
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.)
Shinko Electric Co Ltd
Original Assignee
Shinko Electric 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 Shinko Electric Co Ltd filed Critical Shinko Electric Co Ltd
Priority to JP9336122A priority Critical patent/JPH11178248A/en
Publication of JPH11178248A publication Critical patent/JPH11178248A/en
Pending legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/72Electric energy management in electromobility
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/16Information or communication technologies improving the operation of electric vehicles

Landscapes

  • Electric Propulsion And Braking For Vehicles (AREA)
  • Inverter Devices (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a power circuit which is capable of transmitting signals on low communication power in a non-contact power supply for use in power line carrier communication. SOLUTION: The output of a high-frequency inverter 100 input with commercial alternating-current power supply is led to a matching transformer 101, and thereafter a first resonance circuit comprising a capacitor 102 and a coil 103 is connected in parallel. Then a second resonance circuit comprising a capacitor 104 and a coil 105 is connected in series for configuring a power circuit for non-contact power supply.

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、電力の伝送に使用
する非接触給電装置用の電源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 power supply circuit for a contactless power supply device used for transmitting electric power.

【0002】[0002]

【従来の技術】電力会社などが使用している電力線搬送
通信の技術を応用して、電源の供給と通信用信号の送受
信とを一つのラインで行うようにした電力供給方式が知
られている。図2は、移動体への電力供給と通信用信号
のやりとりを行う非接触給電装置の従来例を示すもので
ある。符号20は高周波インバータであって、この高周
波インバータ20は整合トランス21を介して電源回路
Cに結合されている。また電源回路Cには、前記整合ト
ランス21の二次巻き線に対して並列にコンデンサ22
が接続されている。また、符号23は通信用信号を授受
する通信装置であって、この通信装置23は、トランス
26を介して前記電源回路Cに結合されている。すなわ
ち、トランス26を介して電源回路Cへ通信用信号を重
畳させ、あるいは、電源回路Cから所定の信号を受け取
るようになっている。前記電源回路Cには、非接触給電
装置24が接続されており、この非接触給電装置24を
介して搬送車等の移動体25へ高周波駆動電流の供給お
よび通信用信号の授受が行われる様になっている。
2. Description of the Related Art There is known a power supply system in which power supply and transmission / reception of communication signals are performed on one line by applying a power line carrier communication technique used by a power company or the like. . FIG. 2 shows a conventional example of a non-contact power supply apparatus for supplying power to a mobile body and exchanging communication signals. Reference numeral 20 denotes a high-frequency inverter. The high-frequency inverter 20 is coupled to the power supply circuit C via a matching transformer 21. The power supply circuit C includes a capacitor 22 in parallel with the secondary winding of the matching transformer 21.
Is connected. Reference numeral 23 denotes a communication device for transmitting and receiving a communication signal. The communication device 23 is coupled to the power supply circuit C via a transformer 26. That is, a communication signal is superimposed on the power supply circuit C via the transformer 26, or a predetermined signal is received from the power supply circuit C. A non-contact power supply device 24 is connected to the power supply circuit C. Supply of a high-frequency drive current and transmission and reception of a communication signal to a moving body 25 such as a transport vehicle are performed via the non-contact power supply device 24. It has become.

【0003】すなわち、前記非接触給電装置24の一次
側コイル24aが電源回路Cに接続されていて、車両2
5側の二次側コイル24bに電磁誘導作用によって非接
触で前記高周波駆動電流を供給するようになっている。
また車両25側には、受信用コイル24cおよび送信用
コイル24dが設けられており、前記電源回路Cの駆動
用高周波に重畳された通信用信号が前記受信用コイル2
4cを介して車両25へ供給され、また、車両25から
前記通信装置23へ供給すべき信号は、送信用コイル2
4dを介して一次側コイル24aへ供給され、高周波駆
動用電流へ重畳されるようになっている。
That is, the primary coil 24a of the contactless power supply device 24 is connected to a power supply circuit C,
The high frequency drive current is supplied to the fifth secondary coil 24b in a non-contact manner by electromagnetic induction.
On the vehicle 25 side, a receiving coil 24c and a transmitting coil 24d are provided.
4c, the signal to be supplied from the vehicle 25 to the communication device 23 is the transmission coil 2
The current is supplied to the primary coil 24a via 4d and is superimposed on the high-frequency driving current.

【0004】上記給電装置は以下のように動作する。高
周波インバータ20の出力である高周波駆動電流は、非
接触給電装置24の一次側コイル24a、二次側コイル
24bを介して車両25へ供給され、この車両25の駆
動装置(例えばリニアインダクションモータ)を駆動す
る。また、前記通信装置23から出力された通信用信号
は、トランス26を介して前記電源回路Cへ供給され、
前記高周波駆動電流に重畳される。この通信用信号はさ
らに、前記非接触給電装置24の一次側コイル24a、
受信用コイル24cを介して車両25へ供給され、車両
25に搭載された制御装置(図示略)へ通信用信号を供
給する。また、この制御装置から出力される応答信号、
あるいは、車両25に搭載された各種センサの検出信号
等は、送信用コイル24dから一次側コイル24aの高
周波駆動電流に重畳される。
[0004] The power supply device operates as follows. The high-frequency drive current, which is the output of the high-frequency inverter 20, is supplied to the vehicle 25 via the primary coil 24a and the secondary coil 24b of the non-contact power supply 24, and the driving device (for example, a linear induction motor) for the vehicle 25 Drive. The communication signal output from the communication device 23 is supplied to the power supply circuit C via the transformer 26,
Superimposed on the high frequency drive current. The communication signal further includes a primary coil 24a of the non-contact power supply device 24,
It is supplied to the vehicle 25 via the receiving coil 24c, and supplies a communication signal to a control device (not shown) mounted on the vehicle 25. Also, a response signal output from the control device,
Alternatively, detection signals and the like of various sensors mounted on the vehicle 25 are superimposed on the high-frequency drive current of the primary coil 24a from the transmission coil 24d.

【0005】これら応答信号、あるいは検出信号等は、
前記トランスの二次側コイルを介して通信装置23へ供
給され、これらの信号に基づいて、さらに、通信装置2
3から通信用信号が出力される。
[0005] These response signals or detection signals are:
The signal is supplied to the communication device 23 via the secondary coil of the transformer, and based on these signals, the communication device 2
3 outputs a communication signal.

【0006】[0006]

【発明が解決しようとする課題】上記の従来装置の例に
おいて、高周波インバータから出力される交流電流には
歪みが伴っており、これは共振回路によって低減されて
いるとはいえ、通信に悪影響を及ぼす危険がある。非接
触による給電では、給電線上の電力が持つ周波数が高い
ため、通信用の信号の持つ周波数との差が小さく、給電
線上の歪により、通信周波帯の高調波成分の通信の信号
への影響が大きい。通信の信号の電力を上げれば、その
高調波成分による悪影響を軽減し、通信の精度を上げる
ことも可能であるが、これはエネルギーの消費増加につ
ながり、さらにEMI(Electro Magnetic Interferenc
e)も考慮する時、この方法はあまり得策ではない。
In the above-described example of the conventional apparatus, the alternating current output from the high-frequency inverter is accompanied by a distortion, which, although reduced by the resonance circuit, adversely affects communication. There is a danger to do. In non-contact power supply, since the frequency of the power on the power supply line is high, the difference from the frequency of the communication signal is small, and the distortion on the power supply line affects the harmonic components of the communication frequency band on the communication signal. Is big. Increasing the power of communication signals can reduce the adverse effects of their harmonic components and improve communication accuracy. However, this leads to an increase in energy consumption, and furthermore EMI (Electro Magnetic Interferenc).
When considering also e), this method is not very good.

【0007】本発明はこのような事情に鑑みてなされた
もので、駆動電流に重畳する通信用信号の持つ高調波歪
が低減され、よって小さな電力の通信用信号によって電
力線搬送通信が可能となる、非接触給電装置用電源回路
を提供することを目的とする。
[0007] The present invention has been made in view of such circumstances, and harmonic distortion of a communication signal superimposed on a drive current is reduced, so that power line carrier communication can be performed using a communication signal of low power. It is another object of the present invention to provide a power supply circuit for a non-contact power supply device.

【0008】[0008]

【課題を解決するための手段】請求項1記載の発明は、
制御信号が重畳された高周波駆動電流を移動体へ供給す
る非接触給電装置用電源回路において、上記非接触給電
装置用電源回路は、商用交流電源を入力とする高周波イ
ンバータと、上記高周波インバータの出力に対し並列に
接続され、所定の周波数のみを通過させる第1の帯域通
過回路と、上記第1の回路の出力に対し直列に接続さ
れ、上記の所定の周波数のみを通過させる第2の帯域通
過回路と、上記第2の帯域通過回路の出力に並列に接続
されるコンデンサと、を具備してなる非接触給電装置用
電源回路である。
According to the first aspect of the present invention,
In a power supply circuit for a non-contact power supply device for supplying a high-frequency drive current on which a control signal is superimposed to a moving body, the power supply circuit for a non-contact power supply device includes a high-frequency inverter having a commercial AC power supply as an input, and an output of the high-frequency inverter. A first band-pass circuit connected in parallel to the first circuit and passing only a predetermined frequency, and a second band-pass circuit connected in series to the output of the first circuit and passing only the predetermined frequency A power supply circuit for a non-contact power supply device, comprising: a circuit; and a capacitor connected in parallel to an output of the second band-pass circuit.

【0009】請求項2記載の発明は、請求項1記載の非
接触給電装置用電源回路において、上記第1の帯域通過
回路は、互いに並列に接続される第1のコンデンサと第
1のコイルとを備え、上記第2の帯域通過回路は、互い
に直列に接続される第2のコンデンサと第2のコイルと
を備えることを特徴としている。
According to a second aspect of the present invention, in the power supply circuit for a wireless power supply according to the first aspect, the first band-pass circuit includes a first capacitor and a first coil connected in parallel with each other. And the second band-pass circuit includes a second capacitor and a second coil connected in series with each other.

【0010】請求項3記載の発明は、請求項1記載の非
接触給電装置用電源回路において、上記高周波インバー
タと上記第1の回路との間に挿入され、上記高周波イン
バータの出力を変圧し、その出力を上記第1の回路に入
力する変圧器を備えることを特徴とする。
According to a third aspect of the present invention, in the power supply circuit for a contactless power supply device according to the first aspect, the power supply circuit is inserted between the high-frequency inverter and the first circuit to transform an output of the high-frequency inverter. A transformer for inputting the output to the first circuit is provided.

【0011】[0011]

【発明の実施の形態】以下、本発明の一実施形態による
非接触給電装置用電源回路を図面を参照しつつ説明す
る。図1は、同実施形態による非接触給電装置の電源回
路を含む全体図である。まず、この実施形態の構成を示
す。符号100は高周波インバータであって、この高周
波インバータ100は整合トランス101を介して電源
回路Dに結合されている。また電源回路Dには、前記整
合トランス101の二次巻き線に対して並列にコイル1
03とコンデンサ102とからなる第1の共振回路が接
続され、この第1の共振回路に直列にコイル105とコ
ンデンサ104とからなる第2の共振回路が接続され、
さらにこの第2の共振回路に並列にコンデンサ22が接
続されている。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a power supply circuit for a wireless power supply according to an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is an overall view including a power supply circuit of the wireless power supply device according to the embodiment. First, the configuration of this embodiment will be described. A high-frequency inverter 100 is coupled to the power supply circuit D via a matching transformer 101. The power supply circuit D has a coil 1 in parallel with the secondary winding of the matching transformer 101.
03 and a capacitor 102 are connected, and a second resonance circuit including a coil 105 and a capacitor 104 is connected in series to the first resonance circuit.
Further, a capacitor 22 is connected in parallel with the second resonance circuit.

【0012】また、符号107は通信用信号を授受する
通信装置であって、この通信装置107は、トランス1
08を介して前記電源回路Dに結合されている。すなわ
ち、トランス108を介して電源回路Dへ通信用信号を
重畳させ、あるいは、電源回路Dから所定の信号を受け
取るようになっている。前記電源回路Dには、非接触給
電装置109が接続されており、この非接触給電装置1
09を介して搬送車等の移動体110へ高周波駆動電流
の供給および通信用信号の授受が行われる様になってい
る。
Reference numeral 107 denotes a communication device for transmitting and receiving a communication signal.
08 and the power supply circuit D. That is, a communication signal is superimposed on the power supply circuit D via the transformer 108 or a predetermined signal is received from the power supply circuit D. A non-contact power supply device 109 is connected to the power supply circuit D.
A high-frequency driving current is supplied to a moving body 110 such as a transport vehicle and a communication signal is transmitted / received via the mobile phone 110 via a transmission line 09.

【0013】すなわち、前記非接触給電装置109の一
次側コイル109aが電源回路Dに接続されていて、車
両110側の二次側コイル109bに電磁誘導作用によ
って非接触で前記高周波駆動電流を供給するようになっ
ている。また車両110側には、受信用コイル109c
および送信用コイル109dが設けられており、前記電
源回路Dの駆動用高周波に重畳された通信用信号が前記
受信用コイル109cを介して車両110へ供給され、
また、車両110から前記通信装置107へ供給すべき
信号は、送信用コイル109dを介して一次側コイル1
09aへ供給され、高周波駆動用電流へ重畳されるよう
になっている。
That is, a primary coil 109a of the non-contact power supply device 109 is connected to a power supply circuit D, and supplies the high-frequency driving current to a secondary coil 109b of the vehicle 110 in a non-contact manner by electromagnetic induction. It has become. The receiving coil 109c is provided on the vehicle 110 side.
And a transmission coil 109d, and a communication signal superimposed on a driving high frequency of the power supply circuit D is supplied to the vehicle 110 via the reception coil 109c,
A signal to be supplied from the vehicle 110 to the communication device 107 is transmitted to the primary side coil 1 via the transmission coil 109d.
09a to be superimposed on the high-frequency driving current.

【0014】次に本実施形態の動作を説明する。まず、
商用の交流電源から供給を受けた50/60Hz等の周
波数を持つ電力が高周波インバータ100によって、所
定の周波数を持った駆動電流に変換され出力される。本
実施形態の例では、10kHzの周波数を想定してい
る。この高周波インバータ100の出力は、電圧も商用
交流電源のものと同じである。よって、この高周波イン
バータ100の出力は、次段の整合トランス101によ
って、所定の希望する電圧へと変換される。また、この
整合トランス101は、その前後で電気的絶縁の効果も
併せ持つ。電圧を変更する必要が無い場合には、この整
合トランス101を省略してもよい。
Next, the operation of this embodiment will be described. First,
Power having a frequency of 50/60 Hz or the like supplied from a commercial AC power supply is converted into a drive current having a predetermined frequency by the high frequency inverter 100 and output. In the example of the present embodiment, a frequency of 10 kHz is assumed. The output of the high-frequency inverter 100 has the same voltage as that of the commercial AC power supply. Therefore, the output of the high-frequency inverter 100 is converted to a predetermined desired voltage by the matching transformer 101 at the next stage. The matching transformer 101 also has the effect of electrical insulation before and after. If it is not necessary to change the voltage, the matching transformer 101 may be omitted.

【0015】図3によって、この第1の共振回路及び第
2の共振回路の動作の説明を行う。まず、整合トランス
101の出力に対し並列に設けられた第1の共振回路
は、図3(a)に示す様なインピーダンス特性を持たせ
ることにより、本例の場合の希望周波数である10kH
zにインピーダンスのピークを持つものとなっている。
よって、10kHz近辺の周波数のみが次段の第2の共
振回路へと送られる。
The operation of the first resonance circuit and the second resonance circuit will be described with reference to FIG. First, the first resonance circuit provided in parallel with the output of the matching transformer 101 has an impedance characteristic as shown in FIG. 3A so that the desired frequency in the present example is 10 kHz.
It has an impedance peak at z.
Therefore, only the frequency around 10 kHz is sent to the second resonance circuit in the next stage.

【0016】次に、この第1の共振回路の出力に対して
直列に接続された第2の共振回路は、図3(b)に示す
様なインピーダンス特性を持たせることにより、本例の
場合の希望周波数である10kHzにインピーダンスの
ディップを持つものとなっている。よって10kHz近
辺以外の周波数には、非常に高いインピーダンスとなる
ので、この第2の共振回路によってカットされる。上記
の第1の共振回路と第2の共振回路によって、10kH
z近辺以外の周波数成分は遮断されて、最終的にコンデ
ンサ106と給電線の持つインダクタンス分とで作られ
る共振回路における電力は高調波歪を低減されたものと
なる。
Next, the second resonance circuit connected in series to the output of the first resonance circuit has an impedance characteristic as shown in FIG. Has an impedance dip at 10 kHz, which is the desired frequency. Therefore, the impedance becomes very high at frequencies other than around 10 kHz, and is cut by the second resonance circuit. 10 kHz by the first resonance circuit and the second resonance circuit.
The frequency components other than around z are cut off, and finally the power in the resonance circuit formed by the capacitor 106 and the inductance of the feed line has reduced harmonic distortion.

【0017】次に、上記の電力が送られる給電線に載せ
て、通信用の信号を伝送する動作の説明を行う。通信装
置107から、車両110に向けて通信を行う場合を取
ると、まず、通信装置107から送信用の信号線を使用
して信号を発する。この信号は、トランス108を介し
て、給電線に乗る。車両110では、トランス109を
介して非接触で、この信号を受信する。この際に、車両
110は、独立した受信用の信号線及びピックアップを
備えているものと想定している。車両は、移動可能なも
のであり、トランスが備えられている場所であるならど
こでも非接触によって電力及び通信用信号を受け取るこ
とができる。同様に、車両110から通信装置107に
向けて通信を行う場合にも、上述した信号の流れと逆の
方向に、同様にして行われる。
Next, an operation of transmitting a signal for communication on the power supply line to which the above-described power is transmitted will be described. When communication is performed from the communication device 107 to the vehicle 110, first, the communication device 107 emits a signal using a transmission signal line. This signal gets on the power supply line via the transformer 108. Vehicle 110 receives this signal via transformer 109 in a non-contact manner. At this time, it is assumed that the vehicle 110 includes an independent signal line for reception and a pickup. The vehicle is mobile and can receive power and communication signals contactlessly wherever a transformer is provided. Similarly, when communication is performed from the vehicle 110 to the communication device 107, the communication is similarly performed in a direction opposite to the above-described signal flow.

【0018】本実施形態では、コイルとコンデンサから
なる第1の及び第2の共振回路を取り上げているが、こ
れは特定周波数の帯域通過を行うフィルタ効果を持つ回
路であれば、特に実施形態の例に固執するものではな
い。
In the present embodiment, the first and second resonance circuits each including a coil and a capacitor are taken up. However, if the first and second resonance circuits are circuits having a filter effect of performing band-pass of a specific frequency, particularly the embodiment will be described. Don't stick to the examples.

【0019】[0019]

【発明の効果】以上説明したように、この発明による非
接触給電装置用電源回路によれば、下記の効果を得るこ
とができる。 1.電力線搬送通信において、通信用信号の持つ高調波
歪が大幅に低減され、よって信頼性の高い通信が可能と
なる。 2.上記の第1の効果によって、小さな通信電力を持つ
通信用信号を電力線に載せた搬送通信が可能となる。
As described above, according to the power supply circuit for a non-contact power feeding device according to the present invention, the following effects can be obtained. 1. In power line carrier communication, harmonic distortion of a communication signal is significantly reduced, and thus highly reliable communication is possible. 2. According to the first effect, carrier communication in which a communication signal having a small communication power is mounted on a power line can be performed.

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

【図1】 本発明による一実施形態による非接触給電装
置用電源回路のブロック図である。
FIG. 1 is a block diagram of a power supply circuit for a contactless power supply device according to an embodiment of the present invention.

【図2】 従来技術による非接触給電装置用電源回路の
ブロック図である。
FIG. 2 is a block diagram of a power supply circuit for a contactless power supply device according to the related art.

【図3】 本発明による一実施形態におけるインピーダ
ンス特性を示すグラフである。
FIG. 3 is a graph showing impedance characteristics according to an embodiment of the present invention.

【符号の説明】[Explanation of symbols]

100、20…高周波インバータ 101、21…整合トランス 102、104、106、22…コンデンサ 103、105…コイル 107、23…通信装置 108、26…トランス 109、24…非接触給電装置(トランス) 110、25…車両 100, 20 high-frequency inverter 101, 21 matching transformer 102, 104, 106, 22 capacitor 103, 105 coil 107, 23 communication device 108, 26 transformer 109, 24 non-contact power supply device (transformer) 110, 25 ... Vehicle

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 制御信号が重畳された高周波駆動電流を
移動体へ供給する非接触給電装置用電源回路において、 上記非接触給電装置用電源回路は、 商用交流電源を入力とする高周波インバータと、 上記高周波インバータの出力に対し並列に接続され、所
定の周波数のみを通過させる第1の帯域通過回路と、 上記第1の回路の出力に対し直列に接続され、上記の所
定の周波数のみを通過させる第2の帯域通過回路と、 上記第2の帯域通過回路の出力に並列に接続されるコン
デンサと、 を具備してなる非接触給電装置用電源回路。
1. A power supply circuit for a non-contact power supply device for supplying a high-frequency drive current on which a control signal is superimposed to a moving body, wherein the power supply circuit for the non-contact power supply device includes: a high-frequency inverter having a commercial AC power supply as an input; A first band-pass circuit connected in parallel to the output of the high-frequency inverter and passing only a predetermined frequency, and connected in series to the output of the first circuit and passing only the predetermined frequency A power supply circuit for a non-contact power supply device, comprising: a second band-pass circuit; and a capacitor connected in parallel to an output of the second band-pass circuit.
【請求項2】 上記第1の帯域通過回路は、互いに並列
に接続される第1のコンデンサと第1のコイルとを備
え、 上記第2の帯域通過回路は、互いに直列に接続される第
2のコンデンサと第2のコイルとを備えることを特徴と
する請求項1記載の非接触給電装置用電源回路。
2. The first band-pass circuit includes a first capacitor and a first coil connected in parallel with each other, and the second band-pass circuit includes a second capacitor connected in series with each other. The power supply circuit for a non-contact power supply device according to claim 1, further comprising a capacitor and a second coil.
【請求項3】 上記非接触給電装置用電源回路におい
て、 上記高周波インバータと上記第1の回路との間に挿入さ
れ、上記高周波インバータの出力を変圧し、その出力を
上記第1の回路に入力する変圧器を備えることを特徴と
する請求項1記載の非接触給電装置用電源回路。
3. The power supply circuit for a non-contact power supply device, wherein the power supply circuit is inserted between the high-frequency inverter and the first circuit, transforms an output of the high-frequency inverter, and inputs the output to the first circuit. The power supply circuit for a non-contact power supply device according to claim 1, further comprising:
JP9336122A 1997-12-05 1997-12-05 Power circuit for non-contact power supply Pending JPH11178248A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9336122A JPH11178248A (en) 1997-12-05 1997-12-05 Power circuit for non-contact power supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9336122A JPH11178248A (en) 1997-12-05 1997-12-05 Power circuit for non-contact power supply

Publications (1)

Publication Number Publication Date
JPH11178248A true JPH11178248A (en) 1999-07-02

Family

ID=18295929

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9336122A Pending JPH11178248A (en) 1997-12-05 1997-12-05 Power circuit for non-contact power supply

Country Status (1)

Country Link
JP (1) JPH11178248A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001197736A (en) * 2000-01-07 2001-07-19 Shinko Electric Co Ltd Non-contact power supply
JP2005055186A (en) * 2003-08-01 2005-03-03 Kajima Corp Three-dimensional position sensing method and method for sensing position of firefighter
JP2009072011A (en) * 2007-09-14 2009-04-02 Shinko Electric Co Ltd Power supply system
JP2011091991A (en) * 2009-08-17 2011-05-06 Schleifring & Apparatebau Gmbh Controlled contactless power transmission capable of estimating load state
CN103259345A (en) * 2013-05-18 2013-08-21 大连理工大学 Parallel resonance series composition of non-contact power supply system of traveling car
JP2014204523A (en) * 2013-04-03 2014-10-27 三菱電機株式会社 Inverter device, data communication device for inverter device, and data communication method for inverter device
JP2015505451A (en) * 2011-12-29 2015-02-19 コンティ テミック マイクロエレクトロニック ゲゼルシャフト ミットベシュレンクテル ハフツングConti Temic microelectronic GmbH Charging device for charging energy storage of portable electrical equipment
CN104701861A (en) * 2013-12-09 2015-06-10 国家电网公司 Latent series capacitor compensation device
JP2016504908A (en) * 2013-01-11 2016-02-12 コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. Wireless inductive power transmission

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001197736A (en) * 2000-01-07 2001-07-19 Shinko Electric Co Ltd Non-contact power supply
JP2005055186A (en) * 2003-08-01 2005-03-03 Kajima Corp Three-dimensional position sensing method and method for sensing position of firefighter
JP2009072011A (en) * 2007-09-14 2009-04-02 Shinko Electric Co Ltd Power supply system
JP2011091991A (en) * 2009-08-17 2011-05-06 Schleifring & Apparatebau Gmbh Controlled contactless power transmission capable of estimating load state
JP2015505451A (en) * 2011-12-29 2015-02-19 コンティ テミック マイクロエレクトロニック ゲゼルシャフト ミットベシュレンクテル ハフツングConti Temic microelectronic GmbH Charging device for charging energy storage of portable electrical equipment
US9509172B2 (en) 2011-12-29 2016-11-29 Conti Temic Microelectronic Gmbh Charging device for charging the energy store of a portable electric device
JP2016504908A (en) * 2013-01-11 2016-02-12 コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. Wireless inductive power transmission
JP2014204523A (en) * 2013-04-03 2014-10-27 三菱電機株式会社 Inverter device, data communication device for inverter device, and data communication method for inverter device
CN103259345A (en) * 2013-05-18 2013-08-21 大连理工大学 Parallel resonance series composition of non-contact power supply system of traveling car
CN104701861A (en) * 2013-12-09 2015-06-10 国家电网公司 Latent series capacitor compensation device

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