JP2012257445A - Mounting structure of contactless charger - Google Patents

Mounting structure of contactless charger Download PDF

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Publication number
JP2012257445A
JP2012257445A JP2012111536A JP2012111536A JP2012257445A JP 2012257445 A JP2012257445 A JP 2012257445A JP 2012111536 A JP2012111536 A JP 2012111536A JP 2012111536 A JP2012111536 A JP 2012111536A JP 2012257445 A JP2012257445 A JP 2012257445A
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JP
Japan
Prior art keywords
power receiving
non
electric vehicle
support member
fixed
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
JP2012111536A
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Japanese (ja)
Inventor
Nariyuki Yoshida
成幸 吉田
Hiroshi Tanaka
広志 田中
Akihiro Asai
明寛 浅井
Original Assignee
Nissan Motor Co Ltd
日産自動車株式会社
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
Priority to JP2011110498 priority Critical
Priority to JP2011110498 priority
Application filed by Nissan Motor Co Ltd, 日産自動車株式会社 filed Critical Nissan Motor Co Ltd
Priority to JP2012111536A priority patent/JP2012257445A/en
Publication of JP2012257445A publication Critical patent/JP2012257445A/en
Pending legal-status Critical Current

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    • 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
    • Y02T10/70Energy storage for electromobility
    • Y02T10/7005Batteries

Abstract

PROBLEM TO BE SOLVED: To provide a mounting structure for mounting a contactless charger on a vehicle, capable of protecting the contactless charger.SOLUTION: The mounting structure for mounting a power reception unit 10 with a power reception coil 11 on an electric vehicle 1 includes a support member 30 that extends along a cross direction of the electric vehicle 1, is fixed on a floor panel 2 of the electric vehicle 1 and that is fixed with the power reception unit 10, and a protection member 40 that extends along the vehicle width direction of the electric vehicle 1 and that is installed behind the power reception unit 10. The protection member 40 is fixed on the underside of the support member 30.

Description

  The present invention relates to a structure for mounting a non-contact charger having a power receiving coil to a vehicle.

  2. Description of the Related Art A power receiving coil that is electromagnetically coupled to a ground-side power supply coil for non-contact charging of a battery of an electric vehicle is affixed to the bottom surface of a rear trunk of the electric vehicle (see, for example, Patent Document 1). .

JP-A-7-227007

  In the above technique, since the power receiving coil is exposed rearward, there is a possibility that a curbstone or the like may come into contact with the power receiving coil when the electric vehicle moves backward.

  The problem to be solved by the present invention is to provide a structure for mounting a non-contact charger to a vehicle that can protect the non-contact charger.

  In the present invention, a protective member extending along the vehicle width direction is provided behind the non-contact charger, and the protective member is fixed to the lower surface of the support member to which the non-contact charger is fixed. Resolve.

  According to the present invention, since the protective member is located behind the non-contact charger and below the support member, the non-contact charger can be protected from a curb stone or the like by the protective member when the vehicle moves backward.

FIG. 1A is a diagram for explaining the operation of the electric vehicle for non-contact charging in the embodiment of the present invention, and is a diagram showing a state in which the electric vehicle is approaching the power feeding unit. FIG. 1B is a diagram for explaining the operation of the electric vehicle for non-contact charging in the embodiment of the present invention, and is a diagram showing a state in which the electric vehicle is stopped at the charging parking position. FIG. 2 is a cross-sectional view of the rear part of the electric vehicle according to the embodiment of the present invention. FIG. 3 is a perspective view of the rear part of the electric vehicle as viewed from below according to the embodiment of the present invention. FIG. 4 is a bottom view of the rear part of the electric vehicle according to the embodiment of the present invention. FIG. 5 is a view showing the mounting unit in the embodiment of the present invention, and is a view taken in the direction of the arrow V in FIG.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  1A and 1B are diagrams for explaining the operation of an electric vehicle for non-contact charging.

  As shown in FIGS. 1A and 1B, an electric vehicle (EV) 1 in the present embodiment includes a power receiving unit 10 having a power receiving coil 11 for charging a battery that supplies power to an electric motor for traveling. . The power receiving unit 10 is attached to the rear part of the electric vehicle 1.

  On the other hand, as shown in the figure, a power feeding unit 50 having a power feeding coil 51 is installed on the ground side, and the power receiving coil 11 and the power feeding coil 51 are electromagnetically coupled by electromagnetic induction, electromagnetic field resonance, or the like. The battery is charged without contact.

  When actually charging the battery, as shown in FIG. 1A, first, the electric vehicle 1 is moved backward to the charging parking position where the power feeding unit 50 is installed, and the power receiving unit 10 is brought closer to the power feeding unit 50. Then, as shown in FIG. 1B, when the power receiving unit 10 reaches a position facing the power feeding unit 50, the electric vehicle 1 is stopped and charging is started.

  Below, the attachment structure to the electric vehicle 1 of the power receiving unit 10 in this embodiment is demonstrated, referring FIGS.

  2 is a cross-sectional view of the rear portion of the electric vehicle in the present embodiment, FIG. 3 is a perspective view of the rear portion of the electric vehicle in the present embodiment, and FIG. 4 is a bottom view of the rear portion of the electric vehicle in the present embodiment. FIG. 5 is a view showing the mounting unit in the present embodiment. In FIG. 3, the power receiving unit 10 is indicated by a broken line in order to facilitate understanding of the structure of the mounting unit 20.

  In the present embodiment, as shown in FIGS. 2 to 4, the power reception unit 10 is attached to the floor panel 2 of the electric vehicle 1 via the attachment unit 20. The mounting unit 20 includes a pair of support members 30 and a protection member 40.

  Each support member 30 is a rectangular tube rod-like member extending in the front-rear direction of the electric vehicle 1 in plan view, and is made of, for example, aluminum, iron, nickel, or an alloy containing at least one of them. Has been.

  The support member 30 includes a first fixing portion 31, a first support portion 32, and a first bent portion 33. The support member 30 is fixed to the floor panel 2 by bolt fastening or the like at the first fixing portion 31.

  On the other hand, the power receiving unit 10 is fixed to the first support portion 32 of the support member 30 by bolt fastening or the like. Thus, in this embodiment, since the power receiving unit 10 is attached to the floor panel 2 via the support member 30, the power receiving coil 21 and the power receiving coil 21 can be changed depending on the height of the support member 30 without depending on the height of the electric vehicle 1. The distance to the power feeding coil 51 can be set.

  In addition, in the present embodiment, since only one member is interposed between the power receiving unit 10 and the floor panel 2, it is possible to improve power transmission efficiency easily and at low cost. Further, the power receiving unit 10 for non-contact charging can be easily retrofitted to an existing electric vehicle.

  At this time, in the present embodiment, as shown in FIG. 2 in particular, the power receiving unit 10 is connected to the lower surface 321 of the first support portion 32 so that the back surface 12 (the upper surface in FIG. 1 is attached to one support portion 32.

  For this reason, the power receiving surface 13 of the power receiving unit 10 (the surface that faces the power feeding unit 50 in the power receiving unit 10; see FIG. 1B) is always exposed downward, and the power receiving unit 10, the power feeding unit 50, The support member 30 is not interposed between the two. Therefore, in this embodiment, the magnetic flux formed between the power receiving coil 11 and the power feeding coil 51 at the time of non-contact charging is not hindered by the support member 30.

  In particular, as shown in FIG. 4, since the first support portion 32 is provided between the pair of rear wheels 4 of the electric vehicle 1, the power receiving unit fixed to the first support portion 32. Ten power receiving coils 11 are also located between the rear wheels 4. Generally, the wheel of the rear wheel 4 is made of a material having a low magnetic permeability and high conductivity such as aluminum. In the present embodiment, since the power receiving coil 11 is sandwiched between the wheels of the rear wheel 4, it is possible to prevent the magnetic flux formed between the power receiving coil 11 and the power feeding coil 51 from leaking to the side during non-contact charging. can do.

  Moreover, since the support member 30 is comprised by the rod-shaped member, the back surface 12 of the power receiving unit 10 can be exposed. For this reason, the power receiving unit 10 can be efficiently cooled.

  Further, a notch 34 is formed on the lower surface 321 of the first support portion 32. This notch 34 extends in parallel to the vehicle width direction of the electric vehicle 1 and is formed so as to correspond to the approximate center of the power receiving coil 11 in plan view, as shown in FIG.

  For example, when a curb or the like comes into contact with the mounting unit 20 when the electric vehicle 1 moves backward, the power receiving unit 10 itself bends with the notch 34 as a starting point. Therefore, other parts of the electric vehicle 1 (for example, the power receiving unit 10 Damage to the connected harness or battery) can be suppressed.

  At this time, by forming the notch 34 on the lower surface 321 of the support member 30, the power receiving unit 10 can be bent toward the floor panel 2, and the bent power receiving unit 10 can be prevented from contacting the ground. it can.

  Further, since the support member 30 is composed of a rod-shaped member, the support member 30 is easily bent together with the power receiving unit 10 as compared with the plate-shaped member.

  Further, even when the power receiving coil 11 has a radially arranged ferrite, the notch 34 is formed so as to correspond to the substantially center of the power receiving coil 11, so that it is disturbed by the ferrite. Thus, the power receiving coil 11 can be bent.

  In the support member 30, the first fixed portion 31 and the first support portion 32 are connected via a first bent portion 33. The first fixed portion 31 and the first support portion 32 extend substantially parallel to the plane direction of the floor panel 2, whereas the first bent portion 33 is a normal line of the floor panel 22. It extends in the direction (that is, the vertical direction), and a substantially stepped step is formed between the first fixed portion 31 and the first support portion 32.

  For this reason, the power receiving unit 10 is held in a state of being separated from the floor panel 2 by the support member 30, and a space 3 is formed between the back surface 12 of the power receiving unit 10 and the lower surface of the floor panel 2.

  In this embodiment, the power receiving unit 10 is efficiently cooled by the wind passing through the space 3 formed between the power receiving unit 10 and the floor panel 2.

  Further, by forming the space 3 between the power receiving unit 10 and the floor panel 2, for example, when the electric vehicle 1 moves backward, a curb or the like comes into contact with the mounting unit 20 or the floor panel 2 is prevented from being damaged when the wheel is removed. You can also

  On the other hand, the protection member 40 of the mounting unit 20 is a rectangular tube rod-like member extending in the vehicle width direction of the electric vehicle 1 in a plan view, and is made of, for example, aluminum or an alloy containing aluminum.

  By configuring the protection member 40 with a material having such a low magnetic permeability and high conductivity, it is possible to suppress the magnetic flux formed between the power receiving coil 11 and the power feeding coil 51 from leaking backward during non-contact charging. Can do.

  As shown in FIGS. 3 and 5, the protection member 40 includes a second support portion 41, a second fixing portion 42, and a second bent portion 43.

  The rear end of the first support portion 32 of the support member 30 is fixed to the upper surface 411 of the second support portion 41 by bolt fastening or the like (that is, the protection member 40 is fixed to the lower surface 321 of the support member 30). The protection member 40 supports the rear end of the support member 30. A second fixing portion 42 is connected to both ends of the second support portion 41 via a second bent portion 43, and the protection member 40 is bolted to the floor panel 2 by the second fixing portion 42. It is fixed by.

  In the present embodiment, as shown in FIGS. 2 to 4, the protection member 40 is provided behind the power receiving unit 10. For this reason, the power receiving unit 10 can be protected from the curb or the like by the protective member 40 when the electric vehicle 1 is moved backward.

  In the present embodiment, the protection member 40 is positioned below the support member 30 that supports the power reception unit 10. For this reason, the power receiving unit 10 can be protected from the curb or the like by the protective member 40 when the electric vehicle 1 is moved backward or removed.

  As shown in FIG. 2, the lower surface 412 of the second support portion 41 of the protection member 40 is located below the lower surface 13 (that is, the power receiving surface 13) of the power receiving unit 10. For this reason, the power receiving unit 10 can be protected from the curb or the like by the protective member 40 when the electric vehicle 1 is moved backward or removed.

  Further, as shown in FIG. 5, the second support portion 41 and the second fixing portion 42 are substantially parallel to the plane direction of the floor panel 2, whereas the second bent portion 43 is a floor. The panel 2 is inclined with respect to the normal direction. Since the rigidity of the protection member 40 is lowered by inclining the second bent portion 43 in this way, for example, the load applied to the mounting unit 20 at the time of contact with the curb or at the time of wheel removal is efficiently absorbed by the protection member 40. can do.

  As described above, in this embodiment, the protection member 40 is positioned behind the power reception unit 10 and below the support member 30, so that when the electric vehicle 1 is retracted, the protection member 40 causes the power reception unit 10 from a curb or the like. Can be protected.

  Moreover, in this embodiment, since the power receiving unit 10 is being fixed to the support member 30 so that the back surface 12 of the power receiving unit 10 and the lower surface 321 of the support member 30 may contact, the power receiving surface 13 of the power receiving unit 10 is It is exposed downward without being blocked by the support member 30. For this reason, the magnetic flux formed between the power receiving coil 11 and the power feeding coil 51 during non-contact charging is not hindered by the support member 30.

  The electric vehicle 1 in the present embodiment corresponds to an example of a vehicle in the present invention, and the power receiving unit 10 in the present embodiment corresponds to an example of a non-contact charger in the present invention.

  The embodiment described above is described for facilitating the understanding of the present invention, and is not described for limiting the present invention. Therefore, each element disclosed in the above embodiment is intended to include all design changes and equivalents belonging to the technical scope of the present invention.

DESCRIPTION OF SYMBOLS 1 ... Electric vehicle 2 ... Floor panel 3 ... Space 4 ... Rear wheel 10 ... Power receiving unit 11 ... Power receiving coil 12 ... Back surface 13 ... Power receiving surface 20 ... Mounting unit 30 ... Support member 31 ... 1st fixing | fixed part 32 ... 1st Support portion 321 ... lower surface 33 ... first bent portion 34 ... notch 40 ... protective member 41 ... second support portion 411 ... upper surface 412 ... lower surface 42 ... second fixing portion 43 ... second bent portion 50 ... power supply unit 51 ... Feed coil

Claims (3)

  1. A structure for mounting a non-contact charger having a power receiving coil to a vehicle,
    A support member that extends along the front-rear direction of the vehicle, is fixed to a floor panel of the vehicle, and has the non-contact charger fixed thereto;
    Extending along the vehicle width direction of the vehicle, and provided with a protective member provided behind the contactless charger,
    The non-contact charger mounting structure, wherein the protection member is fixed to a lower surface of the support member.
  2. It is the attachment structure of the non-contact charger according to claim 1,
    The non-contact charger mounting structure, wherein the non-contact charger is fixed to the support member such that a power receiving surface of the non-contact charger is exposed.
  3. It is the attachment structure of the non-contact charger according to claim 2,
    The non-contact charger mounting structure, wherein an upper surface of the non-contact charger is fixed to a lower surface of the support member.
JP2012111536A 2011-05-17 2012-05-15 Mounting structure of contactless charger Pending JP2012257445A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2011110498 2011-05-17
JP2011110498 2011-05-17
JP2012111536A JP2012257445A (en) 2011-05-17 2012-05-15 Mounting structure of contactless charger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012111536A JP2012257445A (en) 2011-05-17 2012-05-15 Mounting structure of contactless charger

Publications (1)

Publication Number Publication Date
JP2012257445A true JP2012257445A (en) 2012-12-27

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JP2012111536A Pending JP2012257445A (en) 2011-05-17 2012-05-15 Mounting structure of contactless charger

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015014827A2 (en) * 2013-08-01 2015-02-05 Bombardier Transportation Gmbh Carrying device and a receiving device
DE102013226830A1 (en) * 2013-12-20 2015-06-25 Bayerische Motoren Werke Aktiengesellschaft Arrangement of an induction coil on an underbody of a motor vehicle
DE102014206739A1 (en) * 2014-04-08 2015-10-08 Bayerische Motoren Werke Aktiengesellschaft Push panel for a front end of a vehicle body of a vehicle and vehicle
EP2985162A4 (en) * 2013-04-12 2016-06-29 Nissan Motor Contactless power supply device
JP2017093001A (en) * 2015-11-02 2017-05-25 本田技研工業株式会社 vehicle
DE102017211213A1 (en) 2017-06-30 2019-01-03 Bayerische Motoren Werke Aktiengesellschaft Coil device for a motor vehicle, and arrangement of such a coil device on an underbody of a motor vehicle
DE102017211208A1 (en) 2017-06-30 2019-01-03 Bayerische Motoren Werke Aktiengesellschaft Coil device for a motor vehicle, in particular for a motor vehicle
US10377432B2 (en) * 2016-11-28 2019-08-13 Toyota Jidosha Kabushiki Kaisha Vehicle lower section structure

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2014167978A1 (en) * 2013-04-12 2017-02-16 日産自動車株式会社 Non-contact power feeding device
EP2985162A4 (en) * 2013-04-12 2016-06-29 Nissan Motor Contactless power supply device
US10173531B2 (en) 2013-08-01 2019-01-08 Bombardier Primove Gmbh Carrying device and a receiving device
WO2015014827A2 (en) * 2013-08-01 2015-02-05 Bombardier Transportation Gmbh Carrying device and a receiving device
CN105073478A (en) * 2013-08-01 2015-11-18 庞巴迪运输有限公司 Carrying device and a receiving device
JP2016534691A (en) * 2013-08-01 2016-11-04 ボンバルディアー プリモーフ ゲゼルシャフト ミット ベシュレンクテル ハフツングBombardier Primove GmbH Carrier device and power receiving device
WO2015014827A3 (en) * 2013-08-01 2015-04-09 Bombardier Transportation Gmbh Carrying device and a receiving device
US10336199B2 (en) 2013-12-20 2019-07-02 Bayerische Motoren Werke Aktiengesellschaft Arrangement of an induction coil on an underbody of a motor vehicle
DE102013226830A1 (en) * 2013-12-20 2015-06-25 Bayerische Motoren Werke Aktiengesellschaft Arrangement of an induction coil on an underbody of a motor vehicle
DE102014206739A1 (en) * 2014-04-08 2015-10-08 Bayerische Motoren Werke Aktiengesellschaft Push panel for a front end of a vehicle body of a vehicle and vehicle
JP2017093001A (en) * 2015-11-02 2017-05-25 本田技研工業株式会社 vehicle
US10300799B2 (en) 2015-11-02 2019-05-28 Honda Motor Co., Ltd. Vehicle and protector structure
US10377432B2 (en) * 2016-11-28 2019-08-13 Toyota Jidosha Kabushiki Kaisha Vehicle lower section structure
WO2019002432A1 (en) 2017-06-30 2019-01-03 Bayerische Motoren Werke Aktiengesellschaft Coil device for a motor vehicle, in particular for a car
DE102017211208A1 (en) 2017-06-30 2019-01-03 Bayerische Motoren Werke Aktiengesellschaft Coil device for a motor vehicle, in particular for a motor vehicle
DE102017211213A1 (en) 2017-06-30 2019-01-03 Bayerische Motoren Werke Aktiengesellschaft Coil device for a motor vehicle, and arrangement of such a coil device on an underbody of a motor vehicle

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