JP6563167B2 - Power supply device - Google Patents

Power supply device Download PDF

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Publication number
JP6563167B2
JP6563167B2 JP2013237793A JP2013237793A JP6563167B2 JP 6563167 B2 JP6563167 B2 JP 6563167B2 JP 2013237793 A JP2013237793 A JP 2013237793A JP 2013237793 A JP2013237793 A JP 2013237793A JP 6563167 B2 JP6563167 B2 JP 6563167B2
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power
provided
coil
vehicle body
window glass
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JP2015100155A (en
Inventor
アントニー ガフ
アントニー ガフ
田中 信吾
信吾 田中
範高 田口
範高 田口
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矢崎総業株式会社
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Description

  The present invention relates to a power feeding device, and more particularly to a power feeding device mounted on a vehicle.

  In recent years, it has been considered to install a solar panel on the roof of a vehicle and supply electric power from the solar panel to an electronic device such as an air conditioner installed in the vehicle. Conventionally, electric power from a solar panel is taken into a vehicle using electric wires. For this reason, it is necessary to waterproof the electric wire itself, which increases the cost.

  It is also considered that a load such as a motor is provided on a side mirror or sun visor provided outside the vehicle body to drive the side mirror or sun visor. Electric power is also supplied from the battery (power source) provided in the vehicle body to the side mirror provided outside the vehicle body and the load in the sun visor by electric wires. For this reason, there has been a problem that the wiring work becomes complicated.

  As described above, in order to draw the electric wire into and out of the vehicle, it is necessary to open a hole for passing the electric wire through the vehicle body. Although it is conceivable that the electric wire is drawn into the vehicle through the opening of the door of the vehicle body, in any case, a waterproof member such as a grommet or a waterproof process needs to be applied, resulting in a complicated manufacturing process.

  Various loads such as lamps are provided on the roof of the vehicle. Conventionally, the power supply to the load provided on the roof has been performed by routing the electric wire in a narrow space in the pillar, which has a problem that the wiring work becomes complicated.

  Therefore, an object of the present invention is to provide a power supply device that facilitates a manufacturing process.

The invention according to claim 1 for solving the above-mentioned problem comprises coils provided respectively on an outer surface and an inner surface of a window glass provided in an opening of a vehicle body body, and provided facing each other. Power is supplied to the load provided on the other side from the power source provided on either the inside or outside of the vehicle body by non-contact power feeding between the coil provided on the outer surface and the inner surface. Both of the provided coils are provided at one end portion of the window glass, and are provided in a long shape in a direction along the one end portion .

According to a second aspect of the invention, the power source, the consist the installed solar panels on the outer surface of the body the body, a coil provided on an outer surface of the window glass, the power from the solar panel is supplied It consists feeding coils, coil provided on said window glass inner surface of the claim 1, characterized in that it is composed of a receiving coil for receiving electric power contactlessly from the power feeding coil Exist in the power supply device.

Third aspect of the present invention, the power supply, is installed in the vehicle body body, the load is provided on the side mirror or the sun visor is disposed outside the body body, provided on said window glass inner surface of the coil wound is composed of the feeding coil power from the power source is supplied, a coil provided on an outer surface of the window glass is composed of the power receiving coil for receiving electric power contactlessly from the power feeding coil It exists in the electric power feeder of Claim 1 characterized by the above-mentioned.

According to a fourth aspect of the present invention, there is provided a power feeding device for supplying power from a power source provided in a vehicle body to a load provided on a roof, the inner surface of a window glass provided in an opening of the vehicle body. A power supply coil for supplying power from the power source, and a power reception coil for receiving power from the power supply coil in a non-contact manner on an outer surface of a window glass provided in an opening of the vehicle body. A coil and the power feeding coil are provided facing each other, and the load is supplied with power received by the power receiving coil. Both the power feeding coil and the power receiving coil are provided at one end of the window glass, and the one end It exists in the electric power feeder characterized by being provided in the elongate shape in the direction along a part .

As described above, according to the first aspect of the present invention, the electric power from the power source provided on one side inside or outside the vehicle body is supplied to the load provided on the other side by non-contact power feeding without using an electric wire. The manufacturing process is facilitated. Moreover, even if it provides a coil on a window glass by providing a feeding coil and a receiving coil in the edge part of a window glass, visibility does not deteriorate. By providing the power feeding coil and the power receiving coil in a long shape in the direction along the edge of the window glass, the visibility does not deteriorate even if the coil is provided on the window glass.

  According to the second aspect of the present invention, electric power from a solar panel provided outside the vehicle body can be taken into the vehicle body by non-contact power feeding without using an electric wire.

  According to the third aspect of the present invention, the power from the power source provided in the vehicle body is supplied to the load provided on the side mirror or the sun visor provided outside the vehicle body by non-contact power feeding without using the electric wire. can do.

According to the fifth aspect of the present invention, the power source provided in the vehicle body is received by the power receiving coil provided on the inner surface and the outer surface of the window glass in a contactless manner to the power receiving coil, and then the load provided on the roof. Therefore, it is not necessary to route the electric wire to the pillar, and the wiring work becomes easy.

It is a block diagram which shows the electric power feeder of this invention in 1st Embodiment. It is a perspective view of the vehicle incorporating the electric power feeder shown in FIG. It is the II sectional view taken on the line of FIG. It is a block diagram which shows the electric power feeder of this invention in 2nd and 3rd embodiment. It is a side view of the vehicle incorporating the electric power feeder shown in FIG. 1 in 2nd Embodiment. It is a side view of the vehicle incorporating the electric power feeder shown in FIG. 1 in 3rd Embodiment. FIG. 7 is a partially schematic enlarged view of the side window shown in FIG. 5 or the front window shown in FIG. 6.

First Embodiment Hereinafter, a vehicle incorporating a power feeding device of the present invention in the first embodiment will be described with reference to FIGS. FIG. 1 is a block diagram showing a power supply device of the present invention in the first embodiment. FIG. 2 is a perspective view of a vehicle in which the power feeding device shown in FIG. 1 is incorporated. 3 is a cross-sectional view taken along the line II of FIG. 1 to 3 feeds electric power from a solar panel 111 (= power supply) provided outside the vehicle body to an electronic device 124 (= load) provided inside the vehicle body in a non-contact manner. It is a device for.

  As shown in the figure, the power feeding device 1 includes a plurality of power feeding units 11 provided outside the vehicle body and a plurality of power receiving units 12 provided inside the vehicle body. The vehicle body is made of a metal that blocks a magnetic field such as iron. The vehicle body is provided with openings on the front, back, and side surfaces, and a window glass is fitted into the openings.

  Each power supply unit 11 includes a solar panel 111, an inverter 112 that converts DC power from the solar panel 111 into AC, a power supply coil 113 that is supplied with power from the solar panel 111 that has been converted into AC by the inverter 112, and power supply And a power feeding capacitor 114 for adjusting the resonance frequency connected to the coil 113.

  The solar panel 111 is installed on the outer surface of the vehicle body and converts light energy into electric power. In the present embodiment, two solar panels 111 are provided on the roof and the trunk panel of the vehicle body. The inverter 112 is provided so as to supply AC power having a frequency equal to the resonance frequency of a resonance circuit including a power supply coil 113 and a power supply capacitor 114 described later.

  The power supply coil 113 is provided on the outer surface of the rear window 2 that is a window glass provided in an opening on the rear side of the vehicle body, and power from the solar panel 111 is supplied via the inverter 112. A feeding coil 113 that receives power from the solar panel 111 installed on the roof is provided at the upper end of the rear window 2. A feeding coil 113 that receives power supply from the solar panel 111 installed on the trunk panel is provided at the lower end of the rear window 2.

  These power supply coils 113 are configured by winding a conducting wire on the rear window 2 in a rectangular spiral shape. The feeding coil 113 is formed in a long shape in the direction along the upper end or lower end of the rear window 2, that is, in the left-right direction. Each of the feeding capacitors 114 is connected in series to the feeding coil 113 and forms a resonance circuit together with the feeding coil 113. In the present embodiment, the feeding capacitor 114 is connected in series with the feeding coil 113, but may be connected in parallel.

  Each power receiving unit 12 receives power from the power feeding coil 113 in a contactless manner, a power receiving coil 121 connected to the power receiving coil 121, and AC power received by the power receiving coil 121. A converter 123 for converting to direct current and an electronic device 124 to which direct current power converted by the converter 123 is supplied are provided.

  As shown in FIG. 3, the power receiving coil 121 is provided on the inner surface of the rear window 2. The power receiving coil 121 is provided at each of an upper end portion and a lower end portion of the rear window 2 and faces the above-described power supply coil 113. These power receiving coils 121 are provided in the same shape and the same size as the power feeding coil 113, and the power feeding coil 113 and the power receiving coil 121 are arranged on the same axis.

  Each of the power receiving capacitors 122 is connected in series to the power receiving coil 121, and forms a resonance circuit together with the power receiving coil 121. In the present embodiment, the power receiving capacitor 122 is connected in series with the power receiving coil 121, but may be connected in parallel. The electronic device 124 is a device such as an air conditioner or an audio, for example, and operates when DC power is supplied.

  The resonance circuit composed of the power feeding coil 113 and the power feeding capacitor 114 and the resonance circuit composed of the power receiving coil 121 and the power receiving capacitor 122 are provided so that their resonance frequencies coincide with each other.

  Next, the operation of the above-described power feeding device 1 will be described. When the solar panel 111 generates power, the inverter 112 converts it into high-frequency alternating current and supplies it to the feeding coil 113. When AC power is supplied to the feeding coil 113, the above-described resonance circuits resonate. As a result, the power from the power feeding coil 113 is received by the power receiving coil 121 in a non-contact manner, and power is supplied to the electronic device 124.

  According to the embodiment described above, electric power from the solar panel 111 provided outside the vehicle body can be taken into the vehicle body by non-contact power feeding without using an electric wire. For this reason, it is not necessary to draw the wire through the hole opened in the vehicle body into the vehicle or to provide a grommet at the door opening of the vehicle body, and the manufacturing process is facilitated.

  Further, according to the above-described embodiment, the power feeding coil 113 and the power receiving coil 121 are provided at the lower end or the upper end of the rear window 2. Thereby, even if it provides the coils 113 and 121 on the rear window 2, visibility does not deteriorate.

  In addition, according to embodiment mentioned above, although the solar panel 111 was provided in the roof or the trunk panel, it is not restricted to this. The solar panel 111 only needs to be provided on the outer surface of the vehicle body, and may be provided on a door panel or a bonnet.

  Further, according to the above-described embodiment, the power feeding coil 113 and the power receiving coil 121 are provided in the rear window 2, but the present invention is not limited to this. For example, it can be considered to be provided on another window glass such as a front window. Also, a resin bumper (= resin portion) may be attached to the front of the vehicle body. In this case, it is conceivable that the feeding coil 113 is provided on the outer surface of the resin bumper and the receiving coil 121 is provided on the inner surface.

  Further, according to the above-described embodiment, the power feeding coil 113 and the power receiving coil 121 are in the shape of a spiral, but are not limited thereto. The power supply coil 113 and the power reception coil 121 may be any one that can perform non-contact power supply, and may be formed in a spiral shape, for example.

Second Embodiment Hereinafter, a vehicle incorporating the power feeding device of the present invention in the second embodiment will be described below with reference to FIGS. 4, 5, and 7. The power supply device 1 according to the second embodiment is a device for supplying electric power from a battery 131 (= power source) provided in the vehicle to an electronic device 124 (= load) provided outside the vehicle in a contactless manner.

  As shown in the figure, the power feeding device 1 includes a power feeding unit 13 provided in the vehicle body and a power receiving unit 14 provided outside the vehicle body. Since the vehicle body is the same as that of the first embodiment, detailed description thereof is omitted here.

  The power supply unit 13 is connected to the battery 131, the inverter 132 that converts direct current power from the battery 131 into alternating current, the power supply coil 133 that is supplied with power from the battery 131 that is converted into alternating current by the inverter 132, and the power supply coil 133. The resonance frequency adjusting power supply capacitor 134 is provided. The inverter 132 is provided so as to supply AC power having a frequency equal to the resonance frequency of a resonance circuit including a power supply coil 133 and a power supply capacitor 134 described later.

  The feeding coil 133 is provided on the inner surface of the side window 3 (FIG. 5) that is a window glass provided in the side opening of the vehicle body, and the power from the battery 131 is supplied via the inverter 132. The feeding coil 133 is provided along the edge of the side window 3 as shown in FIG. The feed capacitor 134 is connected in series to the feed coil 133 and forms a resonance circuit together with the feed coil 133. In the present embodiment, the feeding capacitor 134 is connected in series with the feeding coil 133, but may be connected in parallel.

  The power receiving unit 14 is configured to receive the power from the power feeding coil 133 in a contactless manner, the power receiving coil 141 connected to the power receiving coil 141, and the AC power received by the power receiving coil 141. A converter 143 for converting to, and an electronic device 144 to which the DC power converted by the converter 143 is supplied.

  As shown in FIGS. 5 and 7, the power receiving coil 141 is provided on the outer surface of the side window 3 along the edge of the side window 3, and faces the power feeding coil 133 described above. The power receiving coil 141 is provided in the same shape and size as the power feeding coil 133, and the power feeding coil 133 and the power receiving coil 141 are arranged on the same axis. Since the power receiving capacitor 142 and the converter 143 are the same as the power receiving capacitor 122 and the converter 123 in the first embodiment, detailed description thereof is omitted here.

  The electronic device 144 is, for example, a device such as a side mirror provided outside the vehicle body or a motor built in a sun visor, and operates when power is supplied. The resonance circuit composed of the power supply coil 133 and the power supply capacitor 134 and the resonance circuit composed of the power reception coil 141 and the power reception capacitor 142 are provided so that their resonance frequencies coincide with each other.

  Next, the operation of the above-described power feeding device 1 will be described. Similarly to the first embodiment, when the AC power converted by the inverter 132 is supplied to the feeding coil 133, the above-described resonance circuits resonate. As a result, the power from the power feeding coil 133 is received in a non-contact manner by the power receiving coil 141, and power is supplied to the electronic device 144.

  According to the above-described embodiment, the electric power from the battery 131 provided in the vehicle body is supplied to the electronic device 144 provided in the side mirror or the sun visor provided outside the vehicle body by non-contact power feeding without using an electric wire. Can be supplied. For this reason, it is not necessary to draw the wire through the hole opened in the vehicle body into the vehicle or to provide a grommet at the door opening of the vehicle body, and the manufacturing process is facilitated.

  In addition, according to embodiment mentioned above, although the electronic device 144 was provided in the side mirror or the sun visor, it is not restricted to this. The electronic device 144 can be applied to other loads provided outside the vehicle body.

  Moreover, according to embodiment mentioned above, although the feed coil 133 and the receiving coil 141 were provided in the side window 3, it is not restricted to this. For example, it can be considered to be provided on another window glass such as a front window. Also, a resin bumper (= resin portion) may be attached to the front of the vehicle body. In this case, it is also conceivable that the power receiving coil 141 is provided on the outer surface of the resin bumper and the power feeding coil 133 is provided on the inner surface.

Third Embodiment Hereinafter, a vehicle incorporating the power feeding device of the present invention in the third embodiment will be described with reference to FIGS. 4, 6 and 7.

  As shown in FIG. 4, the power feeding device 1 includes a power feeding unit 13 provided inside the vehicle body and a power receiving unit 14 partly provided outside the vehicle body. Since the power supply unit 13 is the same as that of the second embodiment, detailed description thereof is omitted here, and only differences from the second embodiment will be described.

  The power supply coil 133 of the power supply unit 13 is provided on the inner surface of the front window 4 that is a window glass provided in the front opening of the vehicle body, and the power from the battery 131 is supplied via the inverter 132. The feeding coil 133 is provided along the edge of the front window 4 as shown in FIG.

  The power receiving unit 14 includes a power receiving coil 141, a power receiving capacitor 142, a converter 143, and an electronic device 144, as in the second embodiment. As shown in FIGS. 6 and 7, the power receiving coil 141 is provided on the outer surface of the front window 4 along the edge of the front window 4, and faces the power feeding coil 133 described above. Since the power receiving capacitor 142 and the converter 143 are the same as those in the second embodiment, detailed description thereof is omitted here. The electronic device 144 is a device such as a lamp provided inside the roof 5 of the vehicle body, and operates when supplied with power.

  According to the third embodiment described above, the battery 131 provided in the vehicle body is received by the power receiving coil 141 in a non-contact manner from the power feeding coil 133 provided on the inner surface and the outer surface of the front window 4. Therefore, it is not necessary to route the electric wire in the pillar, and the wiring work is facilitated.

  Further, according to the above-described embodiment, the power supply coils 113 and 133 and the power reception coils 121 and 141 are magnetic resonance types that resonate with each other, but the present invention is not limited to this. You may make it perform non-contact electric power feeding by an electromagnetic induction type.

  Further, the above-described embodiments are merely representative forms of the present invention, and the present invention is not limited to the embodiments. That is, various modifications can be made without departing from the scope of the present invention.

1 Power supply device 2 Rear window (window glass)
3 Side window (window glass)
4 Front window (window glass)
5 Roof 111 Solar Panel (Power)
113 Power supply coil 121 Power reception coil 124 Electronic equipment (load)
131 Battery (Power)
133 Feed coil 141 Receive coil 144 Electronic equipment (load)

Claims (4)

  1. Provided on the outer surface and inner surface of the window glass provided in the opening of the vehicle body body, respectively, and provided with coils provided facing each other,
    Power is supplied to the load provided on the other side from the power source provided on either the inside of the vehicle body or outside the vehicle body by non-contact power feeding between the coils,
    Both the coil provided on the outer surface and the coil provided on the inner surface are provided at one end portion of the window glass, and extend along one end portion from one end to the other end in the direction along the one end portion. It is provided in a long shape in the direction.
  2. The power source is composed of a solar panel installed on the outer surface of the vehicle body,
    The coil provided on the outer surface of the window glass is composed of a power feeding coil to which power from the solar panel is supplied,
    The power supply device according to claim 1, wherein the coil provided on the inner surface of the window glass is a power reception coil that receives power from the power supply coil in a contactless manner.
  3. The power source is installed in the body body;
    The load is provided on a side mirror or a sun visor installed outside the vehicle body,
    The coil provided on the inner surface of the window glass is composed of a power feeding coil to which power from the power source is supplied,
    The power supply apparatus according to claim 1, wherein the coil provided on the outer surface of the window glass is a power reception coil that receives power from the power supply coil in a non-contact manner.
  4. A power supply device for supplying power from a power source provided in a vehicle body to a load provided on a roof,
    Provided on the inner surface of the window glass provided in the opening of the vehicle body body is a feeding coil to which power from the power source is supplied,
    Provided on the outer surface of the window glass provided in the opening of the vehicle body body is a receiving coil for receiving power in a non-contact manner from the feeding coil;
    The power receiving coil and the power feeding coil are provided facing each other,
    The load is supplied with power received by the power receiving coil,
    Both the power feeding coil and the power receiving coil are provided at one end portion of the window glass, and are provided in an elongated shape in a direction along the one end portion from one end to the other end along the one end portion. A power supply device characterized by that.
JP2013237793A 2013-11-18 2013-11-18 Power supply device Active JP6563167B2 (en)

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JPH087703Y2 (en) * 1990-03-05 1996-03-04 富士通テン株式会社 The receiving device
JP3772997B2 (en) * 1995-07-31 2006-05-10 住友電装株式会社 Electric vehicle charging system and electromagnetic coupling device for electric vehicle charging
JP4200257B2 (en) * 2000-09-26 2008-12-24 パナソニック電工株式会社 Non-contact power transmission device
JP2005160179A (en) * 2003-11-25 2005-06-16 Aichi Electric Co Ltd Non-contact power supply device for control
JP4604094B2 (en) * 2008-01-23 2010-12-22 トヨタ自動車株式会社 Vehicle power supply device and vehicle window material
JP5276421B2 (en) * 2008-12-03 2013-08-28 株式会社豊田自動織機 Automobile
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