JP2014087188A - Portable device and its built-in battery pack - Google Patents

Portable device and its built-in battery pack Download PDF

Info

Publication number
JP2014087188A
JP2014087188A JP2012235185A JP2012235185A JP2014087188A JP 2014087188 A JP2014087188 A JP 2014087188A JP 2012235185 A JP2012235185 A JP 2012235185A JP 2012235185 A JP2012235185 A JP 2012235185A JP 2014087188 A JP2014087188 A JP 2014087188A
Authority
JP
Japan
Prior art keywords
coil
battery
power receiving
nfc
portable device
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
JP2012235185A
Other languages
Japanese (ja)
Inventor
Mikitaka Tamai
幹隆 玉井
Ryosuke Kubo
綾輔 久保
Hiroyoshi Yamamoto
洋由 山本
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP2012235185A priority Critical patent/JP2014087188A/en
Publication of JP2014087188A publication Critical patent/JP2014087188A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Support Of Aerials (AREA)

Abstract

PROBLEM TO BE SOLVED: To stably perform near field radio communication with another device by means of an NFC coil and also to stably charge a built-in battery.SOLUTION: A portable device comprises: a battery pack 10 that is set at a contactless charging stand 30 and that is equipped a built-in battery 2 charged by power transmitted by the contactless charging stand 30; an NFC coil 3 for near field radio communication; and a near field radio communication circuit 4 connected with the NFC coil 3. The battery pack 10 contains: a power receiving coil 1 electromagnetically coupled with a power transmission coil 31 of the contactless charging stand 30; the built-in battery 2 charged by power induced in the power receiving coil 1; and the NFC coil 3 for near field radio communication.

Description

本発明は、無接点充電台にセットされて、内蔵しているパック電池を充電するようにしてなる携帯機器とこれに内蔵されるパック電池に関し、とくに、近距離無線通信回路を内蔵してなる携帯機器とこれに内蔵されるパック電池に関する。   The present invention relates to a portable device that is set on a non-contact charging base and charges a built-in battery pack, and a battery pack built in the portable device, and more particularly, a short-range wireless communication circuit is built-in. The present invention relates to a portable device and a battery pack incorporated therein.

フェリカなどの近距離無線通信（Near Field Communication）機能を装備する携帯機器は開発されている。この携帯機器は、カード等のように規格毎に異なる装置を使用することなく通信して便利に使用できる。近距離無線通信機能を備える携帯機器は、他の機器に近づけるだけて、１３．５６ＭＨｚの電波を使用して、１０ｃｍ程度の近距離で１００〜４００ｋｂｐｓの双方向の通信を行うことできる。この種の携帯機器は、外部の機器と通信するためのアンテナの作用をするコイル、すなわちＮＦＣ（Near Field Communication）コイルを内蔵している。（特許文献１参照）   Mobile devices equipped with Near Field Communication functions such as Felica have been developed. This portable device can be conveniently used by communicating without using a different device for each standard such as a card. A portable device having a short-range wireless communication function can perform bidirectional communication of 100 to 400 kbps at a short distance of about 10 cm using a radio wave of 13.56 MHz only by being brought close to other devices. This type of portable device incorporates a coil that acts as an antenna for communicating with an external device, that is, an NFC (Near Field Communication) coil. (See Patent Document 1)

従来の携帯機器は、ＮＦＣコイルを外装ケースの内部に配置し、あるいはパック電池を脱着自在にセットする収納部の開閉蓋に設けている。ＮＦＣコイルを開閉蓋に設けている携帯機器は、ＮＦＣコイルを外装ケースの背面に配置できるので、背面を外部の通信機器に近づけることで、ＮＦＣコイルを接近させて効率よく通信できる。   In a conventional portable device, an NFC coil is disposed inside an outer case, or is provided on an opening / closing lid of a storage unit in which a battery pack is detachably set. Since the NFC coil can be arranged on the back surface of the exterior case, the portable device having the NFC coil provided on the opening / closing lid can efficiently communicate by bringing the NFC coil close to the external communication device.

特開２０１０−１１９００３号公報JP 2010-11903 A

しかしながら、この携帯機器は、無接点充電台に載せて無接点充電する機器に使用すると、種々の弊害が発生する。それは、無接点充電台にセットして電源のパック電池を充電する携帯機器は、無接点充電台に電磁結合される受電コイルをパック電池に内蔵しているために、この受電コイルとＮＦＣコイルとの相対位置から種々の弊害が発生するからである。   However, when this portable device is used for a device that performs contactless charging on a contactless charging stand, various problems occur. This is because a portable device that is set on a non-contact charging base and charges the battery pack of the power source has a receiving coil that is electromagnetically coupled to the non-contact charging base in the pack battery. This is because various adverse effects occur from the relative positions.

本発明は、以上の欠点を解決することを目的に開発されたものである。本発明の重要な目的は、ＮＦＣコイルでもって安定して他の機器との間で近距離無線通信できると共に、内蔵電池を安定して充電できる携帯機器とこれに内蔵されるパック電池を提供することにある。   The present invention has been developed for the purpose of solving the above drawbacks. An important object of the present invention is to provide a portable device that can stably carry out short-range wireless communication with other devices using an NFC coil, and can stably charge a built-in battery, and a pack battery built in the portable device. There is.

課題を解決するための手段及び発明の効果Means for Solving the Problems and Effects of the Invention

本発明の携帯機器は、無接点充電台３０にセットされて、無接点充電台３０から電力搬送される電力で充電される内蔵電池２を装備するパック電池１０と、近距離無線通信用のＮＦＣコイル３と、このＮＦＣコイル３に接続してなる近距離無線通信回路４とを備える。パック電池１０は、無接点充電台３０の送電コイル３１に電磁結合される受電コイル１と、この受電コイル１に誘導される電力で充電される内蔵電池２と、近距離無線通信用のＮＦＣコイル３とを内蔵している。   The portable device of the present invention includes a battery pack 10 equipped with a built-in battery 2 that is set on a non-contact charging base 30 and is charged with power carried from the non-contact charging base 30, and NFC for short-range wireless communication. A coil 3 and a short-range wireless communication circuit 4 connected to the NFC coil 3 are provided. The battery pack 10 includes a power receiving coil 1 that is electromagnetically coupled to a power transmission coil 31 of a contactless charging base 30, a built-in battery 2 that is charged with power induced in the power receiving coil 1, and an NFC coil for short-range wireless communication. 3 and built-in.

以上の携帯機器は、ＮＦＣコイルでもって安定して他の機器との間で近距離無線通信できる特徴がある。それは、以上の携帯機器が、ＮＦＣコイルを受電コイルを内蔵するパック電池に内蔵しているからである。ＮＦＣコイルと受電コイルをパック電池に内蔵する構造は、ＮＦＣコイルと受電コイルとの相対位置がずれないように配置できる。両方をパック電池に内蔵しているからである。相対位置がずれないＮＦＣコイルと受電コイルは、常に干渉しない位置に固定できる。したがって、ＮＦＣコイルのＳＮ比を常に一定に保持して、安定な通信を実現できる。送電コイルから受電コイルに電力搬送される交流信号は、近距離無線通信において雑音となる。このため、受電コイルに誘導される交流信号がＮＦＣコイルに高いレベルで誘導されると、雑音が大きくなってＳＮ比が低下する。しかしながら、以上の携帯機器は、パック電池にＮＦＣコイルと受電コイルの両方を固定するので、ＮＦＣコイルと受電コイルとの相対位置を、受電コイルに誘導される交流信号がＮＦＣコイルに与える影響の少ない位置に配置できる。すなわち、受電コイルに誘導される交流信号の雑音がＮＦＣコイルのＳＮ比を低下させない位置にＮＦＣコイルを配置できる。また、ＮＦＣコイルと受電コイルの両方をパック電池に設けるので、ＮＦＣコイルを開閉蓋に設ける携帯機器のように、開閉蓋の位置がずれて受電コイルとの相対位置が変化することがなく、常にＮＦＣコイルのＳＮ比を大きくして、安定した近距離無線通信を実現する。   The above-described portable device has a feature that short-range wireless communication can be stably performed with other devices using an NFC coil. This is because the portable device described above incorporates an NFC coil in a battery pack that incorporates a power receiving coil. The structure in which the NFC coil and the power receiving coil are built in the battery pack can be arranged so that the relative positions of the NFC coil and the power receiving coil do not shift. This is because both are built in the battery pack. The NFC coil and the power receiving coil whose relative positions are not shifted can be fixed at a position where they do not interfere with each other. Therefore, stable communication can be realized by always maintaining the SN ratio of the NFC coil constant. The AC signal that is conveyed from the power transmission coil to the power reception coil becomes noise in short-range wireless communication. For this reason, when the AC signal induced in the power receiving coil is induced in the NFC coil at a high level, noise increases and the SN ratio decreases. However, since the above portable device fixes both the NFC coil and the power receiving coil to the battery pack, the relative position between the NFC coil and the power receiving coil is less affected by the AC signal induced by the power receiving coil. Can be placed in position. That is, the NFC coil can be disposed at a position where the noise of the AC signal induced in the power receiving coil does not reduce the SN ratio of the NFC coil. In addition, since both the NFC coil and the power receiving coil are provided in the battery pack, the position of the open / close lid does not shift and the relative position with respect to the power receiving coil does not change unlike a portable device in which the NFC coil is provided in the open / close lid. The S / N ratio of the NFC coil is increased to realize stable short-range wireless communication.

本発明の携帯機器は、パック電池１０に内蔵される内蔵電池２を薄型電池２Ａとして、ＮＦＣコイル３を平面状のループコイル３Ａとし、さらに、受電コイル１をＮＦＣコイル３の内形よりも外形を小さくしてなる平面コイル１Ａとして、内蔵電池２である薄型電池２Ａの表面側に、ループコイル３ＡのＮＦＣコイル３を固定し、かつ薄型電池２Ａの表面側であって、ループコイル３Ａの内側に受電コイル１の平面コイル１Ａを配置することができる。   In the portable device of the present invention, the built-in battery 2 built in the battery pack 10 is a thin battery 2A, the NFC coil 3 is a planar loop coil 3A, and the power receiving coil 1 is more external than the inner shape of the NFC coil 3. As the flat coil 1A having a small size, the NFC coil 3 of the loop coil 3A is fixed to the surface side of the thin battery 2A, which is the built-in battery 2, and the surface side of the thin battery 2A is the inner side of the loop coil 3A. The planar coil 1A of the power receiving coil 1 can be disposed in

以上の携帯機器は、ＮＦＣコイルと受電コイルとを互いに干渉の少ない位置に配置しながら、ＮＦＣコイルと受電コイルとをスペース効率よくパック電池の定位置に内蔵できる。また、ＮＦＣコイルは、他の機器との近距離無線通信におけるＳＮ比を大きくでき、受電コイルは、送電コイルから効率よく電力搬送できる理想的な位置に配置できる。   The above-described portable device can incorporate the NFC coil and the power receiving coil at a fixed position of the battery pack in a space-efficient manner while arranging the NFC coil and the power receiving coil at a position where there is little interference. Further, the NFC coil can increase the SN ratio in short-range wireless communication with other devices, and the power receiving coil can be arranged at an ideal position where power can be efficiently transferred from the power transmitting coil.

本発明の携帯機器は、受電コイル１の平面コイル１Ａと、ＮＦＣコイル３のループコイル３Ａを、内蔵電池２である薄型電池２Ａの表面側に同一平面に固定することができる。
この携帯機器は、ＮＦＣコイルのＳＮ比をより大きく、受電コイルの電力搬送をより効率よくできる特徴がある。 In the portable device of the present invention, the planar coil 1 </ b> A of the power receiving coil 1 and the loop coil 3 </ b> A of the NFC coil 3 can be fixed to the same plane on the surface side of the thin battery 2 </ b> A that is the built-in battery 2.
This portable device has a feature that the SN ratio of the NFC coil is larger and the power transfer of the power receiving coil can be performed more efficiently.

本発明の携帯機器は、ＮＦＣコイル３であるループコイル３Ａの外形を、内蔵電池２である薄型電池２Ａの表面側の外形よりも小さくすることができる。
この携帯機器は、ＮＦＣコイルが薄型電池からはみ出すことなく、よりスペース効率よくパック電池に収納できる。 In the portable device of the present invention, the outer shape of the loop coil 3A that is the NFC coil 3 can be made smaller than the outer shape of the thin battery 2A that is the built-in battery 2.
This portable device can be stored in the battery pack more efficiently without the NFC coil protruding from the thin battery.

本発明の携帯機器は、ＮＦＣコイル３であるループコイル３Ａの内周縁と受電コイル１の外周縁との間に、１ｍｍ以上の隙間１２を設けることができる。
この携帯機器は、ＮＦＣコイルのＳＮ比をより大きくして、より安定な近距離無線通信を実現する。 In the portable device of the present invention, a gap 12 of 1 mm or more can be provided between the inner periphery of the loop coil 3 </ b> A that is the NFC coil 3 and the outer periphery of the power receiving coil 1.
This portable device realizes more stable short-range wireless communication by increasing the SN ratio of the NFC coil.

本発明の携帯機器は、ＮＦＣコイル３のループコイル３Ａと内蔵電池２である薄型電池２Ａの表面側との間に磁性シート１３を配置することができる。
この携帯機器は、磁性シートによってＮＦＣコイルのアンテナとして効率を高くして、より安定な近距離無線通信を実現する。 In the portable device of the present invention, the magnetic sheet 13 can be disposed between the loop coil 3 </ b> A of the NFC coil 3 and the surface side of the thin battery 2 </ b> A that is the built-in battery 2.
This portable device increases the efficiency as an antenna of an NFC coil by a magnetic sheet, and realizes more stable short-range wireless communication.

本発明の携帯機器は、受電コイル１の平面コイル１Ａと内蔵電池２である薄型電池２Ａの表面側との間に磁性シート１１を配置することができる。
この携帯機器は、磁性シートによって、送電コイルから送電される電力を効率よく受電コイルに送電できる。 In the portable device of the present invention, the magnetic sheet 11 can be disposed between the planar coil 1 </ b> A of the power receiving coil 1 and the surface side of the thin battery 2 </ b> A that is the built-in battery 2.
This portable device can efficiently transmit the power transmitted from the power transmission coil to the power receiving coil by the magnetic sheet.

本発明の携帯機器は、ＮＦＣコイル３をフレキシブル基板１４の表面にコイルを固定してなるループコイル３Ａとすることができる。
この携帯機器は、ＮＦＣコイルを簡単かつ容易に、しかも確実に定位置に配置できる。 In the portable device of the present invention, the NFC coil 3 can be a loop coil 3 </ b> A formed by fixing the coil to the surface of the flexible substrate 14.
In this portable device, the NFC coil can be easily and easily disposed at a fixed position.

本発明の携帯機器は、内蔵電池２である薄型電池２Ａの表面をカバーするホルダー８を備えると共に、このホルダー８が、薄型電池２Ａの平面部２ａの外周部に固定される四角形の枠部８Ａを有し、さらに、受電コイル１は、ＮＦＣコイル３よりも厚く成形されており、薄型電池２Ａの平面部２ａに、ホルダー８の枠部８Ａと磁性シート１３を介してＮＦＣコイル３を固定し、枠部８Ａの内側に磁性シート１１を介して受電コイル１を固定して、受電コイル１の表面とＮＦＣコイル３の表面とを同一平面状に配置することができる。
この携帯機器は、薄型電池の平面部の表面に固定されるホルダーの枠部によって、受電コイルとＮＦＣコイルとを正確に位置決めしながら、厚さの異なる受電コイルとＮＦＣコイルの表面を同一平面に配置できる。したがって、受電コイルに、大電流に耐えるように太い導線を使用して、受電コイルをＮＦＣコイルよりも厚くし、あるいは、受電コイルの磁性シートをＮＦＣコイルの磁性シートよりも厚くする構造においても、これらの厚さの違いをホルダーの枠部で吸収して、受電コイルとＮＦＣコイルの表面を同一平面に配置できる。 The portable device of the present invention includes a holder 8 that covers the surface of the thin battery 2A that is the built-in battery 2, and this holder 8 is fixed to the outer periphery of the flat portion 2a of the thin battery 2A. Furthermore, the power receiving coil 1 is formed to be thicker than the NFC coil 3, and the NFC coil 3 is fixed to the flat portion 2a of the thin battery 2A via the frame portion 8A of the holder 8 and the magnetic sheet 13. The power receiving coil 1 can be fixed to the inside of the frame portion 8A via the magnetic sheet 11, and the surface of the power receiving coil 1 and the surface of the NFC coil 3 can be arranged on the same plane.
In this portable device, the power receiving coil and the NFC coil are positioned on the same plane while the power receiving coil and the NFC coil are accurately positioned by the holder frame fixed to the surface of the flat part of the thin battery. Can be placed. Therefore, in the structure in which the receiving coil is made thicker than the NFC coil by using a thick conducting wire so as to withstand a large current, or the magnetic sheet of the receiving coil is thicker than the magnetic sheet of the NFC coil. These thickness differences are absorbed by the holder frame, and the surfaces of the power receiving coil and the NFC coil can be arranged in the same plane.

本発明の携帯機器は、ＮＦＣコイル３のループコイル３Ａと、受電コイル１の平面コイル１Ａの両方を、内蔵電池２である薄型電池２Ａに接着して固定することができる。
この携帯機器は、ＮＦＣコイルと受電コイルの両方を簡単かつ確実に、パック電池の定位置に固定できる。 In the portable device of the present invention, both the loop coil 3 </ b> A of the NFC coil 3 and the planar coil 1 </ b> A of the power receiving coil 1 can be bonded and fixed to the thin battery 2 </ b> A that is the built-in battery 2.
This portable device can easily and surely fix both the NFC coil and the power receiving coil at a fixed position of the battery pack.

本発明の携帯機器は、パック電池１０を携帯機器本体２０に収納して、ＮＦＣコイル３を携帯機器本体２０の背面側に配置することができる。
この携帯機器は、携帯機器の背面を他の近距離無線通信の機器に接近することで、より安定して近距離無線通信でき、また背面を下にして無接点充電台に載せて効率よく内蔵電池を充電できる。 In the portable device of the present invention, the battery pack 10 can be accommodated in the portable device body 20 and the NFC coil 3 can be disposed on the back side of the portable device body 20.
This portable device allows more stable short-range wireless communication by bringing the back of the portable device closer to other short-range wireless communication devices, and is efficiently built in by placing it on a contactless charging stand with the back facing down The battery can be charged.

本発明の携帯機器は、パック電池１０を脱着自在に携帯機器本体２０にセットする構造にできる。
この携帯機器は、パック電池を脱着して簡単に交換できる構造としながら、ＮＦＣコイルのＳＮ比を高く、かつ受電コイルには効率よく電力搬送できる。パック電池を脱着しても、ＮＦＣコイルと受電コイルの相対位置がずれないからである。 The portable device of the present invention can have a structure in which the battery pack 10 is detachably set on the portable device body 20.
While this portable device has a structure in which a battery pack can be easily removed and replaced, the SN ratio of the NFC coil is high and power can be efficiently conveyed to the power receiving coil. This is because the relative position of the NFC coil and the power receiving coil does not shift even when the battery pack is removed.

本発明のパック電池は、無接点充電台３０にセットされる携帯機器本体２０に装着されて、携帯機器１００に動作電力を供給すると共に、無接点充電台３０から電力搬送される電力で充電される内蔵電池２と、無接点充電台３０に設けている送電コイル３１から送電される電力が誘導される受電コイル１とを備えている。さらに、このパック電池は、他の機器との間で近距離無線通信するためのＮＦＣコイル３を備えている。   The battery pack of the present invention is mounted on the mobile device body 20 set on the contactless charging stand 30 to supply operating power to the mobile device 100 and to be charged with the power conveyed from the contactless charging stand 30. Built-in battery 2 and power receiving coil 1 to which power transmitted from power transmitting coil 31 provided in contactless charging base 30 is induced. Further, the battery pack includes an NFC coil 3 for short-range wireless communication with other devices.

以上のパック電池は、これを携帯機器にセットする状態で、内蔵するＮＦＣコイルで、安定して他の機器との間で近距離無線通信できる特徴がある。それは、以上のパック電池が、ＮＦＣコイルと受電コイルの両方を内蔵するからである。ＮＦＣコイルと受電コイルの両方を内蔵するパック電池は、ＮＦＣコイルと受電コイルとを相対位置がずれないように配置できる。相対位置がずれないＮＦＣコイルと受電コイルは、常に干渉しない位置に固定できる。したがって、ＮＦＣコイルのＳＮ比を常に一定に保持して、安定な通信を実現できる。送電コイルから受電コイルに電力搬送される交流信号は、近距離無線通信において雑音となる。このため、受電コイルに誘導される交流信号がＮＦＣコイルに高いレベルで誘導されると、雑音が大きくなってＳＮ比が低下する。しかしながら、以上のパック電池は、ＮＦＣコイルと受電コイルの両方を配置しているので、ＮＦＣコイルと受電コイルとの相対位置を、受電コイルに誘導される交流信号がＮＦＣコイルに与える影響の少ない配置にできる。すなわち、受電コイルに誘導される交流信号の雑音がＮＦＣコイルのＳＮ比を低下させない位置にＮＦＣコイルを配置できる。また、ＮＦＣコイルと受電コイルの両方を備えるパック電池は、ＮＦＣコイルを開閉蓋に設ける携帯機器のように、開閉蓋の位置がずれて受電コイルとの相対位置が変化することがなく、常にＮＦＣコイルのＳＮ比を大きくして、安定な近距離無線通信を実現する。   The battery pack described above is characterized in that short-range wireless communication can be stably performed with other devices using the built-in NFC coil in a state where the battery pack is set in a portable device. This is because the above battery pack incorporates both the NFC coil and the power receiving coil. A battery pack including both an NFC coil and a power receiving coil can be arranged such that the relative position of the NFC coil and the power receiving coil is not shifted. The NFC coil and the power receiving coil whose relative positions are not shifted can be fixed at a position where they do not interfere with each other. Therefore, stable communication can be realized by always maintaining the SN ratio of the NFC coil constant. The AC signal that is conveyed from the power transmission coil to the power reception coil becomes noise in short-range wireless communication. For this reason, when the AC signal induced in the power receiving coil is induced in the NFC coil at a high level, noise increases and the SN ratio decreases. However, since the above battery pack has both the NFC coil and the power receiving coil, the relative position between the NFC coil and the power receiving coil is arranged so that the AC signal induced by the power receiving coil has little influence on the NFC coil. Can be. That is, the NFC coil can be disposed at a position where the noise of the AC signal induced in the power receiving coil does not reduce the SN ratio of the NFC coil. In addition, the battery pack including both the NFC coil and the power receiving coil does not change the position of the opening / closing lid and the relative position with respect to the power receiving coil is different from that of a portable device in which the NFC coil is provided on the opening / closing lid. Stable near field communication is realized by increasing the SN ratio of the coil.

本発明の一実施の形態にかかる携帯機器を無接点充電台にセットする状態を示す概略図である。It is the schematic which shows the state which sets the portable apparatus concerning one embodiment of this invention to a non-contact charging stand. 本発明の一実施の形態にかかる携帯機器を近距離無線通信器にセットする状態を示す概略図である。It is the schematic which shows the state which sets the portable apparatus concerning one embodiment of this invention to a near field communication apparatus. 本発明の一実施の形態にかかる携帯機器を無接点充電台にセットする状態を示すブロック図である。It is a block diagram which shows the state which sets the portable apparatus concerning one embodiment of this invention to a non-contact charging stand. 本発明の一実施の形態にかかる携帯機器に内蔵されるパック電池の分解斜視図である。It is a disassembled perspective view of the battery pack built in the portable apparatus concerning one embodiment of this invention. 図４に示すパック電池をさらに分解した分解斜視図である。It is the disassembled perspective view which further decomposed | disassembled the battery pack shown in FIG.

以下、本発明の実施例を図面に基づいて説明する。ただし、以下に示す実施例は、本発明の技術思想を具体化するための携帯機器とこれに内蔵されるパック電池を例示するものであって、本発明は携帯機器とパック電池を以下のものに特定しない。さらに、この明細書は、特許請求の範囲を理解しやすいように、実施例に示される部材に対応する番号を、「特許請求の範囲」および「課題を解決するための手段の欄」に示される部材に付記している。ただ、特許請求の範囲に示される部材を、実施例の部材に特定するものでは決してない。   Embodiments of the present invention will be described below with reference to the drawings. However, the embodiment shown below exemplifies a portable device for embodying the technical idea of the present invention and a battery pack incorporated therein, and the present invention includes a portable device and a battery pack as follows. Not specified. Further, in this specification, in order to facilitate understanding of the scope of claims, numbers corresponding to the members shown in the examples are indicated in the “claims” and “means for solving problems” sections. It is added to the members. However, the members shown in the claims are not limited to the members in the embodiments.

図１に示す携帯機器１００は、無接点充電台３０にセットされて、無接点充電台３０から電力搬送される電力で充電される内蔵電池２を装備するパック電池１０と、近距離無線通信用のＮＦＣコイル３と、このＮＦＣコイル３に接続してなる近距離無線通信回路４とを備える。この図の携帯機器１００は、携帯機器本体２０にパック電池１０を脱着できるように装着している。携帯機器本体２０は、パック電池１０をセットする収納部２１をケースの背面側に設けている。パック電池１０は収納部２１にセットされて、接点（図示せず）を介して携帯機器本体２０に接続されて、携帯機器本体２０に電力を供給する。収納部２１は、パック電池１０をセットする状態で、開口部を開閉蓋２２で閉塞する。   A portable device 100 shown in FIG. 1 is set on a contactless charging stand 30 and is equipped with a battery pack 10 equipped with a built-in battery 2 that is charged with electric power carried from the contactless charging stand 30, and for short-range wireless communication. NFC coil 3 and short-range wireless communication circuit 4 connected to NFC coil 3. The portable device 100 in this figure is mounted so that the battery pack 10 can be attached to and detached from the portable device body 20. The mobile device body 20 is provided with a storage portion 21 in which the battery pack 10 is set on the back side of the case. The battery pack 10 is set in the storage unit 21 and connected to the mobile device body 20 via a contact (not shown) to supply power to the mobile device body 20. The storage unit 21 closes the opening with an opening / closing lid 22 in a state where the battery pack 10 is set.

携帯機器１００は、図２に示すように、他のフェリカなどの近距離無線通信器４０に近づけて、近距離無線通信する。近距離無線通信器４０は、近距離無線通信用のＮＦＣコイル４３と、このＮＦＣコイル４３に接続してなる近距離無線通信回路４４とを備えている。近距離無線通信は、例えば１３．５６ＭＨｚの搬送波を変調して、１０ｃｍ程度の近距離において１００〜４００ｋｂｐｓで、携帯機器１００と近距離無線通信器４０との間で双方向の通信を行う。   As shown in FIG. 2, the mobile device 100 performs short-range wireless communication by approaching the short-range wireless communication device 40 such as another Felica. The near field communication device 40 includes an NFC coil 43 for near field communication and a near field communication circuit 44 connected to the NFC coil 43. The short-range wireless communication modulates a carrier wave of, for example, 13.56 MHz, and performs bidirectional communication between the portable device 100 and the short-range wireless communication device 40 at a short distance of about 10 cm at 100 to 400 kbps.

図３のブロック図に示す携帯機器１００は、内蔵電池２を有するパック電池１０に、無接点充電台３０の送電コイル３１に接近されて、送電コイル３１から電力搬送される受電コイル１と、この受電コイル１に誘導される交流電力を内蔵電池２を充電するのに最適な電圧と電流にコントロールする充電回路５と、内蔵電池２が満充電されたことを無接点充電台３０に伝送する伝送回路６とを設けている。この図のパック電池１０は、充電回路５と伝送回路６をパック電池１０に設けているが、充電回路と伝送回路は携帯機器本体に設けることもできる。   The portable device 100 shown in the block diagram of FIG. 3 is connected to the battery pack 10 having the built-in battery 2, approaching the power transmission coil 31 of the non-contact charging base 30, and the power receiving coil 1 that carries power from the power transmission coil 31. A charging circuit 5 that controls the AC power induced in the power receiving coil 1 to an optimum voltage and current for charging the internal battery 2, and a transmission that transmits that the internal battery 2 is fully charged to the contactless charging stand 30. A circuit 6 is provided. In the battery pack 10 shown in the figure, the charging circuit 5 and the transmission circuit 6 are provided in the battery pack 10, but the charging circuit and the transmission circuit may be provided in the mobile device body.

このパック電池１０は、受電コイル１に誘導される交流電力を充電回路５で、充電に最適な電圧と電流の直流に変換して内蔵電池２を充電する。内蔵電池２をリチウムイオン二次電池とするパック電池１０は、充電回路５でもって内蔵電池２を定電圧・定電流充電して満充電する。内蔵電池２が満充電されすると、満充電信号を伝送回路６から無接点充電台３０に伝送する。伝送回路６は、満充電信号で受電コイル１の負荷インピーダンスを変化させて、無接点充電台３０に満充電信号を伝送する。この伝送回路６は、図示しないが、受電コイル１の負荷に接続されるコンデンサーとスイッチング素子との直列回路を備え、満充電信号でスイッチング素子をオンオフに切り換えて、満充電信号を無接点充電台３０に伝送する。   The battery pack 10 charges the built-in battery 2 by converting the alternating current power induced in the power receiving coil 1 into a direct current having a voltage and current optimum for charging by the charging circuit 5. The battery pack 10 in which the built-in battery 2 is a lithium ion secondary battery is fully charged by charging the built-in battery 2 at a constant voltage / constant current with the charging circuit 5. When the built-in battery 2 is fully charged, a full charge signal is transmitted from the transmission circuit 6 to the contactless charging stand 30. The transmission circuit 6 changes the load impedance of the power receiving coil 1 with the full charge signal, and transmits the full charge signal to the contactless charging stand 30. Although not shown, the transmission circuit 6 includes a series circuit of a capacitor and a switching element connected to the load of the power receiving coil 1, and switches the switching element on and off with a full charge signal so that the full charge signal is transmitted to the non-contact charging base. 30.

無接点充電台３０は、送電コイル３１に交流電力を供給する交流電源３２と、この交流電源３２の出力をコントロールする制御回路３３とを備えている。制御回路３３は、送電コイル３１に接近して受電コイル１がセットされたことを検出すると、交流電源３２から受電コイル１に交流電力を供給する。この状態で、送電コイル３１から受電コイル１に電力搬送されて内蔵電池２が充電される。内蔵電池２が満充電されて、パック電池１０から満充電信号が伝送されると、制御回路３３は、満充電信号を検出して、送電コイル３１への電力供給を停止する。制御回路３３は、送電コイル３１の負荷インピーダンスの変化を検出して、満充電信号を検出する。   The contactless charging stand 30 includes an AC power source 32 that supplies AC power to the power transmission coil 31 and a control circuit 33 that controls the output of the AC power source 32. When the control circuit 33 detects that the power receiving coil 1 is set by approaching the power transmitting coil 31, the control circuit 33 supplies AC power from the AC power supply 32 to the power receiving coil 1. In this state, power is transferred from the power transmission coil 31 to the power reception coil 1 to charge the internal battery 2. When the built-in battery 2 is fully charged and a full charge signal is transmitted from the battery pack 10, the control circuit 33 detects the full charge signal and stops supplying power to the power transmission coil 31. The control circuit 33 detects a change in load impedance of the power transmission coil 31 and detects a full charge signal.

以上のパック電池１０は、受電コイル１の負荷インピーダンスの変化で満充電信号を無接点充電台３０に伝送するが、満充電信号は無線伝送して、無接点充電台に伝送することもできる。満充電信号を無線伝送するパック電池は、満充電信号で搬送波を変調する電波を送信する送信器を備え、無接点充電台は電波を受信して、満充電信号を検出する受信器を備える。   The battery pack 10 described above transmits a full charge signal to the contactless charging base 30 due to a change in the load impedance of the power receiving coil 1, but the full charge signal can also be transmitted wirelessly and transmitted to the contactless charging base. A battery pack that wirelessly transmits a full charge signal includes a transmitter that transmits a radio wave that modulates a carrier wave with the full charge signal, and a contactless charging stand includes a receiver that receives the radio wave and detects a full charge signal.

さらに、携帯機器１００は、近距離無線通信用のＮＦＣコイル３を設けているが、このＮＦＣコイル３もパック電池１０に設けている。図４と図５は、受電コイル１とＮＦＣコイル３の両方を内蔵するパック電池１０の分解斜視図である。これらの図のパック電池１０は、受電コイル１と、この受電コイル１に誘導される電力で充電される内蔵電池２と、受電コイル１に誘導される交流電力を内蔵電池２の充電電圧に変換して内蔵電池２を充電する充電回路を実装する回路基板７と、ＮＦＣコイル３とを備える。   Furthermore, although the portable device 100 is provided with the NFC coil 3 for short-range wireless communication, this NFC coil 3 is also provided in the battery pack 10. 4 and 5 are exploded perspective views of the battery pack 10 including both the power receiving coil 1 and the NFC coil 3. The battery pack 10 shown in these figures includes a power receiving coil 1, a built-in battery 2 that is charged with power induced in the power receiving coil 1, and AC power that is induced in the power receiving coil 1 is converted into a charging voltage for the built-in battery 2. And a circuit board 7 on which a charging circuit for charging the built-in battery 2 is mounted, and an NFC coil 3.

図５のパック電池１０は、内蔵電池２を外形を四角形とする薄型電池２Ａとして、ＮＦＣコイル３を平面状のループコイル３Ａとし、受電コイル１をループコイル３Ａの内形よりも外形を小さくしている平面コイル１Ａとしている。ＮＦＣコイル３と受電コイル１は、内蔵電池２である薄型電池２Ａの表面側に接着して固定している。図４と図５のパック電池１０は、薄型電池２Ａの表面側（図において上面）に、ループコイル３ＡのＮＦＣコイル３を固定して、ＮＦＣコイル３と同じ表面側であって、ループコイル３Ａの内側に受電コイル１の平面コイル１Ａを接着して固定している。薄型電池２Ａの表面側は、パック電池１０を携帯機器本体２０にセットする状態で、携帯機器本体２０の表面に接近する側である。パック電池１０は携帯機器本体２０の背面にセットされるので、薄型電池２Ａの表面側は、携帯機器本体２０の背面に接近する側の表面となる。   The battery pack 10 of FIG. 5 has a built-in battery 2 as a thin battery 2A having a rectangular outer shape, an NFC coil 3 as a planar loop coil 3A, and a receiving coil 1 having a smaller outer shape than the inner shape of the loop coil 3A. The planar coil 1A. The NFC coil 3 and the power receiving coil 1 are bonded and fixed to the surface side of the thin battery 2 </ b> A that is the built-in battery 2. The battery pack 10 shown in FIGS. 4 and 5 has the NFC coil 3 of the loop coil 3A fixed to the surface side (upper surface in the figure) of the thin battery 2A, and is on the same surface side as the NFC coil 3, and the loop coil 3A The planar coil 1 </ b> A of the power receiving coil 1 is bonded and fixed to the inside. The surface side of the thin battery 2 </ b> A is a side that approaches the surface of the mobile device body 20 in a state where the battery pack 10 is set in the mobile device body 20. Since the battery pack 10 is set on the back surface of the mobile device body 20, the surface side of the thin battery 2 </ b> A is a surface on the side approaching the back surface of the mobile device body 20.

図５のパック電池１０は、プラスチック製のホルダー８を設けて、このホルダー８の定位置に回路基板７を固定している。回路基板７は、充電回路の電子部品（図示せず）と出力端子９とを固定している。ホルダー８は、側面視Ｌ字状に成形されて、薄型電池２Ａの平面部２ａの外周部に配置される四角形の枠部８Ａと、薄型電池２Ａの電極端子面２ｂをカバーする回路基板７の固定部８Ｂとを設けている。四角形の枠部８Ａは、外形を薄型電池２Ａの外形、正確には薄型電池２Ａの平面部２ａの外形にほぼ等しくしている。枠部８Ａの内形は、その内側に、受電コイル１を表面に固定している磁性シート１１を配置できるように、磁性シート１１の外形に等しく、あるいはわずかに大きくしくしている。ホルダー８の枠部８Ａは、薄型電池２Ａの表面に接着して固定され、枠部８Ａの内側には受電コイル１を固定している磁性シート１１を配置して、この磁性シート１１を薄型電池２Ａの表面に接着して固定している。受電コイル１の平面コイル１Ａは磁性シート１１の表面に接着して固定している。磁性シート１１はフェライトシートなどで、送電コイル３１から受電コイル１に効率よく電力搬送すると共に、送電コイル３１の交流磁場から薄型電池２Ａを磁気シールドするシートである。受電コイル１を固定している磁性シート１１は、接着されて薄型電池２Ａの平面部２ａに固定される。   The battery pack 10 of FIG. 5 is provided with a plastic holder 8, and the circuit board 7 is fixed to a fixed position of the holder 8. The circuit board 7 fixes an electronic component (not shown) of the charging circuit and the output terminal 9. The holder 8 is formed in an L-shape when viewed from the side, and includes a rectangular frame portion 8A disposed on the outer periphery of the flat portion 2a of the thin battery 2A, and a circuit board 7 that covers the electrode terminal surface 2b of the thin battery 2A. A fixing portion 8B is provided. The rectangular frame portion 8A has an outer shape substantially equal to the outer shape of the thin battery 2A, more precisely, the outer shape of the flat portion 2a of the thin battery 2A. The inner shape of the frame portion 8A is equal to or slightly larger than the outer shape of the magnetic sheet 11 so that the magnetic sheet 11 with the power receiving coil 1 fixed to the surface can be disposed on the inner side. The frame portion 8A of the holder 8 is bonded and fixed to the surface of the thin battery 2A, and a magnetic sheet 11 fixing the power receiving coil 1 is disposed inside the frame portion 8A, and the magnetic sheet 11 is attached to the thin battery. It is bonded and fixed to the surface of 2A. The planar coil 1 </ b> A of the power receiving coil 1 is bonded and fixed to the surface of the magnetic sheet 11. The magnetic sheet 11 is a ferrite sheet or the like, and is a sheet that efficiently conveys power from the power transmission coil 31 to the power reception coil 1 and magnetically shields the thin battery 2 </ b> A from the AC magnetic field of the power transmission coil 31. The magnetic sheet 11 fixing the power receiving coil 1 is bonded and fixed to the flat portion 2a of the thin battery 2A.

ホルダー８の枠部８Ａは、さらにその表面に、磁性シート１３を介してＮＦＣコイル３を固定している。ＮＦＣコイル３はフレキシブル基板１４に設けられており、このフレキシブル基板１４と薄型電池２Ａとの間に磁性シート１３を配置している。この磁性シート１３もフェライトシート等であって、ＮＦＣコイル３のアンテナ効率を向上させるシートである。ＮＦＣコイル３のフレキシブル基板１４と磁性シート１３の外形は、ホルダー８の枠部８Ａの外形にほぼ等しく、枠部８Ａの表面に接着して固定される。ＮＦＣコイル３の内形は、受電コイル１の外形よりも大きくしており、図４に示すように、ＮＦＣコイル３と受電コイル１との間に隙間１２を設けている。ＮＦＣコイル３と受電コイル１との隙間１２は、１ｍｍ以上とすることができるが、好ましくは２ｍｍとする。この隙間１２を大きくして、ＮＦＣコイル３の受電コイル１に対するＳＮ比を改善できる。   The NFC coil 3 is fixed to the surface of the frame portion 8A of the holder 8 via a magnetic sheet 13. The NFC coil 3 is provided on a flexible substrate 14, and a magnetic sheet 13 is disposed between the flexible substrate 14 and the thin battery 2A. The magnetic sheet 13 is also a ferrite sheet or the like, and is a sheet that improves the antenna efficiency of the NFC coil 3. The outer shapes of the flexible substrate 14 and the magnetic sheet 13 of the NFC coil 3 are substantially equal to the outer shape of the frame portion 8A of the holder 8 and are fixedly adhered to the surface of the frame portion 8A. The inner shape of the NFC coil 3 is larger than the outer shape of the power receiving coil 1, and a gap 12 is provided between the NFC coil 3 and the power receiving coil 1 as shown in FIG. 4. The gap 12 between the NFC coil 3 and the power receiving coil 1 can be 1 mm or more, preferably 2 mm. By increasing the gap 12, the SN ratio of the NFC coil 3 to the power receiving coil 1 can be improved.

図５のパック電池１０は、受電コイル１を磁性シート１１を介して薄型電池２Ａの表面側に接着して、ＮＦＣコイル３をホルダー８の枠部８Ａと磁性シート１３とを介して薄型電池２Ａの表面側に接着して、受電コイル１をＮＦＣコイル３の内側に配置している。この構造は、受電コイル１とＮＦＣコイル３の両方を薄型電池２Ａの表面側に固定して、両者を同一平面に配置している。受電コイル１は大電流に耐えるように太い導線が使用されるので、受電コイル１はＮＦＣコイル３よりも厚く、また受電コイル１の磁性シート１１もＮＦＣコイル３の磁性シート１３よりも厚くなる。なお、磁性シートの機能が所望通りであるなら、受電コイル１の磁性シート１１とＮＦＣコイル３の磁性シート１３との厚さを同じにしても良い。ここで、受電コイル１とＮＦＣコイル３は、薄型電池２Ａの平面部２ａに固定されて、ほぼ同一平面に配置される。図に示すパック電池は、薄型電池２Ａの平面部２ａにホルダー８の枠部８Ａを固定すると共に、この枠部８Ａの表面に磁性シート１３を介してＮＦＣコイル３を固定し、さらに、枠部８Ａの内側に磁性シート１１を介して受電コイル１を固定している。これにより、厚さの異なる受電コイル１とＮＦＣコイル３を薄型電池２Ａの表面側に配置しながら、受電コイル１の表面とＮＦＣコイル３の表面とを同一平面状に配置している。すなわち、薄型電池２Ａの平面部２ａに固定されるホルダー８の枠部８Ａによって、受電コイル１とＮＦＣコイル３の厚さの差、及び磁性シート１１、１３同士の厚さの差を吸収している。この構造は、薄型電池２Ａの平面部２ａの表面に固定されるホルダー８の枠部８Ａによって、受電コイル１とＮＦＣコイル３とを正確に位置決めしながら、厚さの異なる受電コイル１とＮＦＣコイル３の表面を同一平面に配置できる。   The battery pack 10 of FIG. 5 has the power receiving coil 1 bonded to the surface side of the thin battery 2A via the magnetic sheet 11, and the NFC coil 3 is attached to the thin battery 2A via the frame 8A of the holder 8 and the magnetic sheet 13. The power receiving coil 1 is disposed inside the NFC coil 3 by bonding to the surface side of the NFC coil 3. In this structure, both the power receiving coil 1 and the NFC coil 3 are fixed to the surface side of the thin battery 2A, and both are arranged on the same plane. Since a thick conducting wire is used for the receiving coil 1 to withstand a large current, the receiving coil 1 is thicker than the NFC coil 3, and the magnetic sheet 11 of the receiving coil 1 is also thicker than the magnetic sheet 13 of the NFC coil 3. If the function of the magnetic sheet is as desired, the magnetic sheet 11 of the power receiving coil 1 and the magnetic sheet 13 of the NFC coil 3 may have the same thickness. Here, the power receiving coil 1 and the NFC coil 3 are fixed to the flat portion 2a of the thin battery 2A and are arranged on substantially the same plane. In the battery pack shown in the figure, the frame portion 8A of the holder 8 is fixed to the flat portion 2a of the thin battery 2A, the NFC coil 3 is fixed to the surface of the frame portion 8A via the magnetic sheet 13, and the frame portion The receiving coil 1 is fixed to the inside of 8A through the magnetic sheet 11. Thereby, the surface of the power receiving coil 1 and the surface of the NFC coil 3 are disposed on the same plane while the power receiving coil 1 and the NFC coil 3 having different thicknesses are disposed on the surface side of the thin battery 2A. That is, the frame portion 8A of the holder 8 fixed to the flat surface portion 2a of the thin battery 2A absorbs the difference in thickness between the power receiving coil 1 and the NFC coil 3 and the difference in thickness between the magnetic sheets 11 and 13. Yes. In this structure, the receiving coil 1 and the NFC coil having different thicknesses are positioned while the receiving coil 1 and the NFC coil 3 are accurately positioned by the frame portion 8A of the holder 8 fixed to the surface of the flat portion 2a of the thin battery 2A. The three surfaces can be arranged in the same plane.

ＮＦＣコイル３を設けているフレキシブル基板１４は、外周の一部を突出させて、突出部１４ＡにＮＦＣコイル３に接続している一対の接続端子３ａを設けている。突出部１４Ａは、回路基板７の表面側に沿って直角に折曲されて、回路基板７の表面に接続端子３ａａを露出させている。この接続端子３ａは、図３に示すように、パック電池１０を携帯機器本体２０にセットする状態で、携帯機器本体２０の近距離無線通信回路４に接続される。   The flexible substrate 14 provided with the NFC coil 3 is provided with a pair of connection terminals 3a connected to the NFC coil 3 on the protruding portion 14A by protruding a part of the outer periphery. The protruding portion 14 </ b> A is bent at a right angle along the surface side of the circuit board 7 to expose the connection terminal 3 aa on the surface of the circuit board 7. As shown in FIG. 3, the connection terminal 3 a is connected to the short-range wireless communication circuit 4 of the mobile device body 20 in a state where the battery pack 10 is set in the mobile device body 20.

図５の分解斜視図に示すパック電池１０は、薄型電池２Ａにホルダー８を固定し、ホルダー８の固定部８Ｂに回路基板７を固定し、薄型電池２Ａの平面部２ａに磁性シート１１を介して受電コイル１を固定し、さらにホルダー８の枠部８Ａに磁性シート１３を介してＮＦＣコイル３を固定して電池組立１９とし、この電池組立１９を外装ケース１５に入れ、ラベル１６を貼って組み立てられる。外装ケース１５は、片面を開口する箱形にプラスチックを成形しており、ひとつの周壁１５Ａに、回路基板７に固定している出力端子９を露出させる開口窓１５ａと、フレキシブル基板１４の突出部１４Ａに設けている接続端子３ａを露出させる開口窓１５ｂとを設けている。   In the battery pack 10 shown in the exploded perspective view of FIG. 5, the holder 8 is fixed to the thin battery 2A, the circuit board 7 is fixed to the fixing portion 8B of the holder 8, and the magnetic sheet 11 is interposed on the flat portion 2a of the thin battery 2A. Then, the power receiving coil 1 is fixed, and the NFC coil 3 is fixed to the frame portion 8A of the holder 8 via the magnetic sheet 13 to form a battery assembly 19. The battery assembly 19 is placed in an outer case 15, and a label 16 is attached. Assembled. The outer case 15 is made of plastic in a box shape that opens on one side, an opening window 15a that exposes the output terminal 9 fixed to the circuit board 7 on one peripheral wall 15A, and a protruding portion of the flexible board 14 An opening window 15b for exposing the connection terminal 3a provided on 14A is provided.

１００…携帯機器
１…受電コイル １Ａ…平面コイル
２…内蔵電池 ２Ａ…薄型電池
２ａ…平面部
２ｂ…電極端子面
３…ＮＦＣコイル ３Ａ…ループコイル
３ａ…接続端子
４…近距離無線通信回路
５…充電回路
６…伝送回路
７…回路基板
８…ホルダー ８Ａ…枠部
８Ｂ…固定部
９…出力端子
１０…パック電池
１１…磁性シート
１２…隙間
１３…磁性シート
１４…フレキシブル基板 １４Ａ…突出部
１５…外装ケース １５Ａ…周壁
１５ａ…開口窓
１５ｂ…開口窓
１６…ラベル
１９…電池組立
２０…携帯機器本体
２１…収納部
２２…閉塞蓋
３０…無接点充電台
３１…送電コイル
３２…交流電源
３３…制御回路
４０…近距離無線通信器
４３…ＮＦＣコイル
４４…近距離無線通信回路 DESCRIPTION OF SYMBOLS 100 ... Portable apparatus 1 ... Power receiving coil 1A ... Planar coil 2 ... Built-in battery 2A ... Thin battery
2a ... plane part
2b ... Electrode terminal surface 3 ... NFC coil 3A ... Loop coil
3a ... connection terminal 4 ... short-range wireless communication circuit 5 ... charging circuit 6 ... transmission circuit 7 ... circuit board 8 ... holder 8A ... frame
8B ... Fixing part 9 ... Output terminal 10 ... Pack battery 11 ... Magnetic sheet 12 ... Gap 13 ... Magnetic sheet 14 ... Flexible substrate 14A ... Protrusion 15 ... Exterior case 15A ... Perimeter wall
15a ... Open window
15b ... Opening window 16 ... Label 19 ... Battery assembly 20 ... Mobile device body 21 ... Storage unit 22 ... Closure lid 30 ... Non-contact charging base 31 ... Power transmission coil 32 ... AC power source 33 ... Control circuit 40 ... Short-range wireless communicator 43 ... NFC coil 44 ... Near field communication circuit

Claims (13)

無接点充電台(30)にセットされて、無接点充電台(30)から電力搬送される電力で充電される内蔵電池(2)を装備するパック電池(10)と、近距離無線通信用のＮＦＣコイル(3)と、このＮＦＣコイル(3)に接続してなる近距離無線通信回路(4)とを備える携帯機器であって、
前記パック電池(10)に、無接点充電台(30)の送電コイル(31)に電磁結合される受電コイル(1)と、この受電コイル(1)に誘導される電力で充電される内蔵電池(2)と、前記近距離無線通信用のＮＦＣコイル(3)とを内蔵させてなることを特徴とする携帯機器。 A battery pack (10) equipped with a built-in battery (2) that is set on the contactless charging stand (30) and charged with the power carried from the contactless charging stand (30), and for short-range wireless communication A portable device comprising an NFC coil (3) and a short-range wireless communication circuit (4) connected to the NFC coil (3),
A power receiving coil (1) that is electromagnetically coupled to the power transmission coil (31) of the contactless charging base (30), and a built-in battery that is charged with power induced in the power receiving coil (1). (2) A portable device including the NFC coil (3) for short-range wireless communication. 前記パック電池(10)に内蔵される内蔵電池(2)が薄型電池(2A)で、前記ＮＦＣコイル(3)が平面状のループコイル(3A)であって、前記受電コイル(1)が、ループコイル(3A)であるＮＦＣコイル(3)の内形よりも外形を小さくしてなる平面コイル(1A)であって、
前記内蔵電池(2)である薄型電池(2A)の表面側に、ループコイル(3A)のＮＦＣコイル(3)が固定され、かつ前記薄型電池(2A)の表面側であって、前記ループコイル(3A)の内側に前記受電コイル(1)である平面コイル(1A)を配置してなる請求項１に記載される携帯機器。 The built-in battery (2) incorporated in the battery pack (10) is a thin battery (2A), the NFC coil (3) is a planar loop coil (3A), and the power receiving coil (1) is A planar coil (1A) having an outer shape smaller than the inner shape of the NFC coil (3) which is a loop coil (3A),
The NFC coil (3) of the loop coil (3A) is fixed to the surface side of the thin battery (2A) that is the built-in battery (2), and the loop coil is on the surface side of the thin battery (2A). The portable device according to claim 1, wherein a planar coil (1A) which is the power receiving coil (1) is arranged inside (3A). 前記受電コイル(1)の平面コイル(1A)と、ＮＦＣコイル(3)のループコイル(3A)が、前記内蔵電池(2)である薄型電池(2A)の表面側に同一平面に固定されてなる請求項１又は２に記載される携帯機器。   The planar coil (1A) of the power receiving coil (1) and the loop coil (3A) of the NFC coil (3) are fixed on the same plane on the surface side of the thin battery (2A) as the built-in battery (2). The portable device according to claim 1 or 2. 前記ＮＦＣコイル(3)のループコイル(3A)の外形が、前記内蔵電池(2)である薄型電池(2A)の表面側の外形よりも小さい請求項１ないし３のいずれかに記載される携帯機器。   The mobile phone according to any one of claims 1 to 3, wherein the outer shape of the loop coil (3A) of the NFC coil (3) is smaller than the outer shape of the thin battery (2A) which is the internal battery (2). machine. 前記ＮＦＣコイル(3)であるループコイル(3A)の内周縁と前記受電コイル(1)の外周縁との間に、１ｍｍ以上の隙間(12)を設けてなる請求項１ないし４のいずれかに記載される携帯機器。   The gap (12) of 1 mm or more is provided between the inner periphery of the loop coil (3A) that is the NFC coil (3) and the outer periphery of the power receiving coil (1). A portable device described in 1. 前記ＮＦＣコイル(3)のループコイル(3A)と前記内蔵電池(2)である薄型電池(2A)の表面側との間に磁性シート(13)を配置してなる請求項１ないし５のいずれかに記載される携帯機器。   The magnetic sheet (13) is arranged between the loop coil (3A) of the NFC coil (3) and the surface side of the thin battery (2A) as the built-in battery (2). A portable device described in the above. 前記受電コイル(1)の平面コイル(1A)と前記内蔵電池(2)である薄型電池(2A)の表面側との間に磁性シート(11)を配置してなる請求項１ないし６のいずれかに記載される携帯機器。   The magnetic sheet (11) is disposed between the planar coil (1A) of the power receiving coil (1) and the surface side of the thin battery (2A) as the built-in battery (2). A portable device described in the above. 前記ＮＦＣコイル(3)が、フレキシブル基板(14)の表面にコイルを固定してなるループコイル(3A)である請求項１ないし７のいずれかに記載される携帯機器。   The portable device according to any one of claims 1 to 7, wherein the NFC coil (3) is a loop coil (3A) formed by fixing a coil on a surface of a flexible substrate (14). 前記内蔵電池(2)である薄型電池(2A)の表面をカバーするホルダー(8)を備え、該ホルダー(8)は、前記薄型電池(2A)の平面部(2a)の外周部に固定される四角形の枠部(8A)を有しており、
さらに、前記受電コイル(1)は、前記ＮＦＣコイル(3)よりも厚く成形されており、
前記薄型電池(2A)の平面部(2a)に、前記ホルダー(8)の枠部(8A)と磁性シート(13)を介して前記ＮＦＣコイル(3)を固定し、前記枠部(8A)の内側に磁性シート(11)を介して前記受電コイル(1)を固定して、該受電コイル(1)の表面と該ＮＦＣコイル(3)の表面とを同一平面状に配置してなる請求項１ないし８のいずれかに記載される携帯機器。 A holder (8) that covers the surface of the thin battery (2A) that is the built-in battery (2) is provided, and the holder (8) is fixed to the outer peripheral portion of the flat portion (2a) of the thin battery (2A). A rectangular frame (8A)
Further, the power receiving coil (1) is formed thicker than the NFC coil (3),
The NFC coil (3) is fixed to the flat part (2a) of the thin battery (2A) via the frame part (8A) of the holder (8) and the magnetic sheet (13), and the frame part (8A) The power receiving coil (1) is fixed to the inside of the power receiving coil (11) via a magnetic sheet (11), and the surface of the power receiving coil (1) and the surface of the NFC coil (3) are arranged in the same plane. Item 9. A portable device according to any one of Items 1 to 8. 前記ＮＦＣコイル(3)のループコイル(3A)と、前記受電コイル(1)の平面コイル(1A)の両方が、前記内蔵電池(2)である薄型電池(2A)に接着して固定されてなる請求項１ないし９のいずれかに記載される携帯機器。   Both the loop coil (3A) of the NFC coil (3) and the planar coil (1A) of the power receiving coil (1) are bonded and fixed to the thin battery (2A) as the built-in battery (2). The portable device according to any one of claims 1 to 9. 前記パック電池(10)が携帯機器本体(20)に収納され、前記ＮＦＣコイル(3)が携帯機器本体(20)の背面側に配置されてなる請求項１ないし１０のいずれかに記載される携帯機器。   The said battery pack (10) is accommodated in a portable apparatus main body (20), The said NFC coil (3) is arrange | positioned in the back side of the portable apparatus main body (20), It is described in any one of Claim 1 thru | or 10 Mobile device. 前記パック電池(10)が脱着自在に前記携帯機器本体(20)にセットされてなる請求項１１に記載される携帯機器。   The portable device according to claim 11, wherein the battery pack (10) is detachably set in the portable device body (20). 無接点充電台(30)にセットされる携帯機器(100)に設けられて、携帯機器(100)に動作電力を供給すると共に、前記無接点充電台(30)から電力搬送される電力で充電される内蔵電池(2)と、前記無接点充電台(30)に設けている送電コイル(31)から送電される電力が誘導される受電コイル(1)と、この受電コイル(1)に誘導される電力で前記内蔵電池(2)を充電する充電回路(5)とを備えるパック電池(10)であって、
他の機器との間で近距離無線通信するためのＮＦＣコイル(3)を備えることを特徴とするパック電池。 Installed in the portable device (100) set on the contactless charging stand (30), supplies operating power to the portable device (100), and charges with the power carried from the contactless charging stand (30). A built-in battery (2), a power receiving coil (1) for inducing power transmitted from a power transmitting coil (31) provided in the contactless charging base (30), and induction to the power receiving coil (1) A battery pack (10) comprising a charging circuit (5) for charging the built-in battery (2) with electric power generated,
A battery pack comprising an NFC coil (3) for short-range wireless communication with another device.
JP2012235185A 2012-10-24 2012-10-24 Portable device and its built-in battery pack Pending JP2014087188A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2012235185A JP2014087188A (en) 2012-10-24 2012-10-24 Portable device and its built-in battery pack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012235185A JP2014087188A (en) 2012-10-24 2012-10-24 Portable device and its built-in battery pack

Publications (1)

Publication Number Publication Date
JP2014087188A true JP2014087188A (en) 2014-05-12

Family

ID=50789773

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012235185A Pending JP2014087188A (en) 2012-10-24 2012-10-24 Portable device and its built-in battery pack

Country Status (1)

Country Link
JP (1) JP2014087188A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016082187A (en) * 2014-10-22 2016-05-16 日本圧着端子製造株式会社 Electrical connection device
JP2018117451A (en) * 2017-01-18 2018-07-26 アイホン株式会社 Wireless power transmission system and wireless intercom system
US10044195B2 (en) 2014-08-29 2018-08-07 Renesas Electronics Corporation Electronic device for communication

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10044195B2 (en) 2014-08-29 2018-08-07 Renesas Electronics Corporation Electronic device for communication
JP2016082187A (en) * 2014-10-22 2016-05-16 日本圧着端子製造株式会社 Electrical connection device
JP2018117451A (en) * 2017-01-18 2018-07-26 アイホン株式会社 Wireless power transmission system and wireless intercom system

Similar Documents

Publication Publication Date Title
US10574082B2 (en) Electronic device including non-contact charging module and battery
JP6297638B2 (en) Packaging and details for wireless power devices
US9577468B2 (en) Wireless charging receiving device and wireless charging system using the same
KR102154744B1 (en) Wireless charging system for electronic device
US7211986B1 (en) Inductive charging system
KR101865540B1 (en) Wireless charging module and portable auxiliary battery comprising the same
CN208423175U (en) Antenna assembly and electronic equipment
US20160254678A1 (en) Multi-turn coil on metal backplate
KR20140111799A (en) Coil substrate for cordless charging and electric device using the same
JPWO2013172349A1 (en) Antenna sheet for non-contact charging device and charging device using the sheet
CN102456936A (en) Wireless charging system, battery with wireless charging function and electronic device with wireless charging function
KR20140117690A (en) Retrofitting wireless power and near-field communication in electronic devices
AU2017211647B2 (en) Wireless power transfer in an electronic device having a tuned metallic body
US20200119596A1 (en) Wireless power transmission/reception device
JP2014087188A (en) Portable device and its built-in battery pack
KR20140067185A (en) Mobile communication apparatus comprising near field communication circuit part and wireless charging circuit part
JP2014044994A (en) Coil unit
KR20140056606A (en) Wireless charging battery pack comprising near field communication circuit part and wireless charging circuit part
CN112817165B (en) Intelligent glasses and wireless charging seat
CN205248923U (en) Electric energy receiver structure and wireless power receiving module
KR20170140666A (en) Antenna, apparutus and system for transmitting wireless power
KR20180006757A (en) Wireless-chargable battery contained band and system for wirelessly charging battery of band
KR20230081739A (en) An antenna unit for a wireless charging and wireless communication device having the same
WO2017176058A1 (en) Rf wireless power transmission system provided with array antenna
KR20190080151A (en) Apparatus for transmitting device wireless power based on electric resonance