WO2013132616A1 - Appareil transmetteur de puissance - Google Patents

Appareil transmetteur de puissance Download PDF

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Publication number
WO2013132616A1
WO2013132616A1 PCT/JP2012/055831 JP2012055831W WO2013132616A1 WO 2013132616 A1 WO2013132616 A1 WO 2013132616A1 JP 2012055831 W JP2012055831 W JP 2012055831W WO 2013132616 A1 WO2013132616 A1 WO 2013132616A1
Authority
WO
WIPO (PCT)
Prior art keywords
power transmission
power
antenna
shielding
transmission device
Prior art date
Application number
PCT/JP2012/055831
Other languages
English (en)
Japanese (ja)
Inventor
晃司 柴田
Original Assignee
パイオニア株式会社
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 パイオニア株式会社 filed Critical パイオニア株式会社
Priority to JP2014503365A priority Critical patent/JP5843271B2/ja
Priority to PCT/JP2012/055831 priority patent/WO2013132616A1/fr
Publication of WO2013132616A1 publication Critical patent/WO2013132616A1/fr
Priority to JP2015219604A priority patent/JP6096266B2/ja

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00045—Authentication, i.e. circuits for checking compatibility between one component, e.g. a battery or a battery charger, and another component, e.g. a power source

Definitions

  • the present invention relates to a technical field of a power transmission device capable of supplying power without contact.
  • Non-Patent Document 1 a non-contact power transmission device including a power transmission antenna disposed horizontally facing a power reception antenna mounted on the rear part of an electric vehicle has been proposed (see Non-Patent Document 1).
  • Non-Patent Document 1 has a technical problem that it may be difficult to control the electric vehicle and make the distance between the power receiving antenna and the power transmitting antenna appropriate. Moreover, the technique described in Patent Document 1 has a technical problem that it is extremely difficult to apply to a vehicle such as an electric vehicle.
  • the present invention has been made in view of the above problems, for example, and can maintain an appropriate distance between the power receiving antenna and the power transmitting antenna, thereby preventing leakage of electromagnetic waves between the power receiving antenna and the power transmitting antenna. It is an object to propose a power transmission device that can be suppressed.
  • the power transmission device can transmit power to the power receiving device including the power receiving antenna in a contactless manner using, for example, a magnetic resonance method.
  • the power transmission antenna has a power transmission surface and is disposed to face the power receiving antenna when power is transmitted.
  • the length of the first shielding portion in the direction perpendicular to the power transmission surface of the power transmission antenna is set to a length that optimizes the transmission efficiency between the power transmission antenna and the power reception antenna. If the vehicle is mounted so that the rear part of the vehicle is in contact with the first shielding part, the distance between the power receiving antenna and the power transmitting antenna can be set to an appropriate distance.
  • the first shielding portion has a length in a direction along a direction perpendicular to the power transmission surface, and the transmission efficiency between the power transmission antenna and the power reception antenna during power transmission. Is formed to be equal to or greater than a predetermined value.
  • the distance between the power receiving antenna and the power transmitting antenna can be set to an appropriate distance relatively easily.
  • the “predetermined value” may be set as, for example, a lower limit value of transmission efficiency that can be accepted by a contractor who implements the power transmission apparatus.
  • the circumference of a power transmission antenna can be appropriately covered with the 1st shielding part and the 2nd shielding part.
  • FIG. 1 is a block diagram illustrating a configuration of a power transmission device according to the embodiment.
  • the power transmission device 100 includes a control / communication unit 101, a power transmission antenna 102, a power transmission device 103, a power supply device 104, a first shielding unit 111, and a second shielding unit 112.
  • the power receiving device 200 mounted on the vehicle 1, for example, an electric vehicle or the like includes a control / communication unit 201, a power receiving antenna 202, a rectifier 203, a converter 204, and a battery 205.
  • the power transmission surface 102a of the power transmission antenna 102 is along a direction perpendicular to the ground.
  • the power receiving surface of the power receiving antenna 202 is also along the direction perpendicular to the ground, and when power is transferred between the power transmitting antenna 102 and the power receiving antenna 202, the power transmitting antenna 102 and the power receiving antenna 202 are arranged horizontally opposite to each other. Is done.
  • control / communication unit 101 and the control / communication unit 201 When the power is transmitted, the control / communication unit 101 and the control / communication unit 201 perform, for example, authentication and transmission / reception of information related to power, etc., and based on the received information related to power, etc.
  • the transmission device 100 and the power receiving device 200 are controlled.
  • power transmission between the power transmission device 100 and the power receiving device 200 is preferably performed by a magnetic field resonance method. This is because the magnetic field resonance method has a feature that a decrease in transmission efficiency is relatively small even when the power transmitting antenna 102 and the power receiving antenna 202 are not accurately opposed to each other.
  • the 1st shielding part 111 shields electromagnetic waves (electromagnetic field) while covering the circumference
  • the second shielding unit 112 covers at least a portion of the periphery of the power transmission antenna 102 that is not covered by the first shielding unit 111 and shields electromagnetic waves when power is transmitted. That is, at least a part below the power transmission antenna 102 is not covered except during power transmission (see FIG. 2B).
  • the power transmission apparatus 100 may be affected by, for example, heat generation of the foreign object.
  • the first shielding part 111 and the second shielding part 112 according to the present embodiment can prevent foreign matters from staying inside the shielding part. As a result, it is possible to prevent problems caused by foreign matter.
  • the first shielding part 111 and the second shielding part 112 may be formed of a metal material such as aluminum, for example, or formed by attaching a magnetic body inside a cover formed of an insulating material, for example. May be.
  • the size of the opening formed by the first shielding part 111 and the second shielding part 112 (that is, the end part on the vehicle 1 side of each of the first shielding part 111 and the second shielding part 112) is set as the power transmission antenna. If it is made larger than the size of the power transmission surface 102a of 102, the burden on the user related to alignment can be reduced, which is very advantageous in practice.
  • the control / communication unit 101 determines whether or not the first shielding unit 111 is in contact with the receiving unit (that is, the rear portion of the vehicle 1) (step S101). Whether or not the first shielding unit 111 is in contact with the receiving unit may be determined, for example, by detecting the pressure applied to the first shielding unit 111 with a pressure sensor or the like.
  • step S102 When it is determined that the second shielding unit 112 is not slid (step S102: No), the control / communication unit 101 performs the process of step S102 again. On the other hand, when it determines with the 2nd shielding part 112 having been slid (step S102: Yes), the control and communication part 101 controls the power transmission apparatus 103 etc. to transmit electric power (step S103).
  • FIG. 4 is a perspective view illustrating a configuration of a shielding portion of the power transmission antenna according to the first modification of the embodiment.
  • the second shielding portion 112 is stored in the casing of the power transmission device 100, and when the power is transmitted, the second shielding portion 112 is placed outside the casing as shown in FIG. It is configured to protrude.
  • FIG. 5 is a perspective view illustrating a configuration of the shielding portion of the power transmission antenna according to the second modification of the embodiment.
  • FIG. 6 is a perspective view illustrating a configuration of a shielding portion of a power transmission antenna according to a third modification of the embodiment.
  • the power transmission device 100 is further provided with a non-conductive portion 113 that is disposed so as to face the power transmission surface 102a of the power transmission antenna 102 and is made of a non-conductive material. If comprised in this way, the penetration
  • the second shielding part 112 may always cover the power transmission antenna 102.
  • the power transmission device of the present invention is used as a charging device for the battery 205 mounted on the vehicle 1 such as an electric vehicle is taken as an example, but the power transmission device of the present invention is
  • the present invention can be applied to a charging device such as a battery mounted on an audio / visual device or a home appliance.
  • SYMBOLS 1 ... Vehicle, 100 ... Electric power transmission apparatus, 101, 201 ... Control and communication part, 102 ... Power transmission antenna, 103 ... Power transmission apparatus, 104 ... Power supply apparatus, 111 ... 1st shielding part, 112 ... 2nd shielding part, 113 ... Non-conductive part, 200 ... power receiving device, 202 ... power receiving antenna, 203 ... rectifier, 204 ... converter, 205 ... battery

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Regulation Of General Use Transformers (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)

Abstract

L'appareil transmetteur de puissance (100) selon l'invention est capable de transmettre une puissance de manière sans contact à un appareil récepteur de puissance (200), lequel comporte une antenne réceptrice de puissance (202). L'appareil transmetteur de puissance comporte : une antenne transmettrice de puissance (102), laquelle a une surface transmettrice de puissance (102a) dans la direction perpendiculaire au sol, et est disposée pour faire face à l'antenne réceptrice de puissance au moment de transmettre la puissance ; une première unité bloquante (111), laquelle couvre la périphérie de l'antenne transmettrice de puissance, sauf au moins une partie d'une portion inférieure de l'antenne transmettrice de puissance, et bloque les ondes électromagnétiques ; et une seconde unité bloquante (112), laquelle, au moment de transmettre la puissance, couvre au moins la partie de la périphérie de l'antenne transmettrice de puissance, et bloque les ondes électromagnétiques.
PCT/JP2012/055831 2012-03-07 2012-03-07 Appareil transmetteur de puissance WO2013132616A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2014503365A JP5843271B2 (ja) 2012-03-07 2012-03-07 電力伝送装置
PCT/JP2012/055831 WO2013132616A1 (fr) 2012-03-07 2012-03-07 Appareil transmetteur de puissance
JP2015219604A JP6096266B2 (ja) 2012-03-07 2015-11-09 電力伝送装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/JP2012/055831 WO2013132616A1 (fr) 2012-03-07 2012-03-07 Appareil transmetteur de puissance
JP2015219604A JP6096266B2 (ja) 2012-03-07 2015-11-09 電力伝送装置

Publications (1)

Publication Number Publication Date
WO2013132616A1 true WO2013132616A1 (fr) 2013-09-12

Family

ID=55710243

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/055831 WO2013132616A1 (fr) 2012-03-07 2012-03-07 Appareil transmetteur de puissance

Country Status (2)

Country Link
JP (2) JP5843271B2 (fr)
WO (1) WO2013132616A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107276240A (zh) * 2016-03-30 2017-10-20 Tdk株式会社 送电装置
JP2018029456A (ja) * 2016-08-19 2018-02-22 日本無線株式会社 車両用の非接触電力伝送装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008054424A (ja) * 2006-08-24 2008-03-06 Mitsubishi Heavy Ind Ltd 受電装置及び送電装置並びに車両
JP2011045189A (ja) * 2009-08-21 2011-03-03 Fujitsu Ltd 無線電力伝送システムにおける電磁波遮蔽方法および装置並びに無線電力送電装置
JP2011120382A (ja) * 2009-12-03 2011-06-16 Toyota Motor Corp 非接触給電設備、非接触受電装置および非接触給電システム

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09149502A (ja) * 1992-12-07 1997-06-06 Yaskawa Electric Corp 無接触給電方法および装置
JP3627421B2 (ja) * 1997-01-28 2005-03-09 松下電工株式会社 電源接続装置
KR102472547B1 (ko) * 2007-05-10 2022-11-30 오클랜드 유니서비시즈 리미티드 멀티 전력을 공급받는 전기 자동차
JP5072690B2 (ja) * 2008-04-04 2012-11-14 シャープ株式会社 無接点式充電装置
JP4743244B2 (ja) * 2008-09-18 2011-08-10 トヨタ自動車株式会社 非接触受電装置
JP2010087353A (ja) * 2008-10-01 2010-04-15 Toyota Motor Corp 非接触電力伝達装置、非接触電力伝達装置の製造方法および非接触電力伝達装置を備えた車両
WO2010098412A1 (fr) * 2009-02-25 2010-09-02 マスプロ電工株式会社 Système d'alimentation électrique pour corps en mouvement
JP2012029418A (ja) * 2010-07-22 2012-02-09 Nagano Japan Radio Co 電力伝送システム

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008054424A (ja) * 2006-08-24 2008-03-06 Mitsubishi Heavy Ind Ltd 受電装置及び送電装置並びに車両
JP2011045189A (ja) * 2009-08-21 2011-03-03 Fujitsu Ltd 無線電力伝送システムにおける電磁波遮蔽方法および装置並びに無線電力送電装置
JP2011120382A (ja) * 2009-12-03 2011-06-16 Toyota Motor Corp 非接触給電設備、非接触受電装置および非接触給電システム

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107276240A (zh) * 2016-03-30 2017-10-20 Tdk株式会社 送电装置
US10305330B2 (en) 2016-03-30 2019-05-28 Tdk Corporation Power transmission device
JP2018029456A (ja) * 2016-08-19 2018-02-22 日本無線株式会社 車両用の非接触電力伝送装置

Also Published As

Publication number Publication date
JP5843271B2 (ja) 2016-01-13
JPWO2013132616A1 (ja) 2015-07-30
JP2016042593A (ja) 2016-03-31
JP6096266B2 (ja) 2017-03-15

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