JP2017063536A - Sheet unit for wireless power supply, power-receiving sheet, power-transmission sheet, electric device, and vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide: a sheet unit for wireless power supply which enables both of the increase in transmission efficiency and the enhancement in general versatility; a power-receiving sheet; a power-transmission sheet; an electric device; and a vehicle.SOLUTION: A sheet unit 100 for wireless power supply, which is applied to an electric device or a vehicle comprises: a power-transmission sheet 101 having a sheet-like flexible transmission base 111, and a power-transmission inductor 7 provided on the transmission base 111, to which a power from a power source is supplied; and a power-receiving sheet 102 having a sheet-like flexible power-receiving base 112, and a power-receiving inductor 10 provided on the power-receiving base 112 and receiving a power from the power-transmission inductor 7 in a non-contact manner.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a wireless power feeding seat unit, a power receiving sheet, a power transmitting sheet, an electric device, and a vehicle.

  As a conventional wireless power feeding system, for example, in Patent Document 1, a power source provided in a vehicle main body, a power supply unit provided on a panel of the vehicle main body and connected to the power source, and receives power from the power supply unit An apparatus for supplying power to a vehicle auxiliary electronic device comprising a power receiving means and an auxiliary electronic device that operates with electric power from the power receiving means is disclosed. In this power supply apparatus, the power supply means includes a conversion means for converting the power from the power source into a high frequency, and a primary coil to which the high frequency from the conversion means is supplied, and the power reception means has a high frequency from the primary coil. The power source of the auxiliary electronic device is provided so as to be operable by receiving power from the secondary coil at high frequency.

Japanese Patent Laid-Open No. 9-182324

  By the way, the above-described power supply device described in Patent Document 1 has room for further improvement in terms of both improvement in transmission efficiency and improvement in versatility, for example.

  The present invention has been made in view of the above circumstances, and is a wireless power feeding sheet unit, a power receiving sheet, a power transmitting sheet, an electric device, and a wireless power feeding sheet unit capable of achieving both improved transmission efficiency and improved versatility. The purpose is to provide vehicles.

  In order to achieve the above object, a sheet unit for wireless power feeding according to the present invention includes a sheet-like power transmission base material having flexibility, and a power transmission coil provided on the power transmission base material and supplied with power from a power source. A sheet-shaped power receiving base material having flexibility, and a power receiving sheet having a power receiving coil that is provided on the power receiving base material and receives power from the power transmission coil in a contactless manner. Features.

  In the wireless power feeding sheet unit, the power transmitting base material or the power receiving base material may be formed of a transparent member that transmits light.

  The wireless power feeding sheet unit aligns the power transmitting sheet and the power receiving sheet at a position where the power transmitting coil and the power receiving coil face each other and power can be transmitted from the power transmitting coil to the power receiving coil. It is possible to provide an alignment unit that performs the above operation.

  Further, in the wireless power feeding sheet unit, the power transmission sheet includes a power transmission side communication coil provided on the power transmission base material, and the power reception sheet is provided on the power reception base material and mutually communicates with the power transmission side communication coil. It can have a power receiving side communication coil which performs communication.

  In the wireless power feeding seat unit, the power transmission sheet is provided so as to follow the shape of a wall surface constituting an installation area provided in a vehicle body provided with the power source, and the power receiving sheet is supplied with power. It can be provided to follow the shape of the wall surface that constitutes the casing in which the supplied portion is provided.

  In order to achieve the above object, a power receiving sheet according to the present invention includes a flexible sheet-shaped power receiving base, and a power receiving coil provided on the power receiving base and receiving power from a power transmitting coil in a contactless manner. It is characterized by providing.

  In order to achieve the above object, a power transmission sheet according to the present invention includes a flexible sheet-like power transmission base material, power supplied from a power source provided on the power transmission base material, and receiving the supplied power. And a power transmission coil that transmits power in a non-contact manner to the coil.

  In order to achieve the above object, an electrical device according to the present invention includes a housing provided with a supply portion to which power is supplied, a sheet-like power receiving base material having flexibility, and the power receiving base material. A power receiving sheet that is provided in a non-contact manner and that receives power from the power transmitting coil and supplies the power to the supplied portion, and includes a power receiving sheet that is provided to follow the shape of the wall surface of the housing. To do.

  In order to achieve the above object, a vehicle according to the present invention is provided in an installation area provided in a vehicle body provided with a power source, a flexible sheet-like power transmission base material, and the power transmission base material. A power transmission coil that is supplied with power from the power source and transmits the supplied power in a non-contact manner to a power receiving coil, and includes a power transmission sheet that is provided to follow the shape of the wall surface that constitutes the installation area. Features.

  A sheet unit for wireless power feeding, a power receiving sheet, a power transmitting sheet, an electric device, and a vehicle according to the present invention are configured by providing a power transmitting coil on at least a flexible sheet-shaped power transmitting substrate. Alternatively, one of the power receiving sheets configured by providing the power receiving coil on the flexible sheet-like power receiving base material can be curved following the shape of the portion to be attached. As a result, the wireless power feeding sheet unit, the power receiving sheet, the power transmitting sheet, the electric device, and the vehicle should have a positional relationship between the power transmitting coil and the power receiving coil with a good transmission efficiency with respect to various shapes. Therefore, it is possible to achieve both improvement in transmission efficiency and improvement in versatility.

FIG. 1 is a block diagram illustrating a schematic configuration of a wireless power feeding system to which a seat unit according to the first embodiment is applied. FIG. 2 is a schematic perspective view illustrating a schematic configuration of the seat unit according to the first embodiment. FIG. 3 is a schematic diagram illustrating a vehicle to which the seat unit according to the first embodiment is applied. FIG. 4 is a schematic cross-sectional view illustrating an installation example of the seat unit according to the first embodiment. FIG. 5 is a schematic perspective view illustrating a schematic configuration of the seat unit according to the second embodiment. FIG. 6 is a schematic perspective view illustrating a schematic configuration of the seat unit according to the third embodiment. FIG. 7 is a schematic perspective view illustrating a schematic configuration of a seat unit according to the fourth embodiment. FIG. 8 is a schematic perspective view illustrating a schematic configuration of the seat unit according to the fifth embodiment.

  Embodiments according to the present invention will be described below in detail with reference to the drawings. In addition, this invention is not limited by this embodiment. In addition, constituent elements in the following embodiments include those that can be easily replaced by those skilled in the art or those that are substantially the same.

[Embodiment 1]
FIG. 1 is a block diagram illustrating a schematic configuration of a wireless power feeding system to which a seat unit according to the first embodiment is applied. FIG. 2 is a schematic perspective view illustrating a schematic configuration of the seat unit according to the first embodiment. FIG. 3 is a schematic diagram illustrating a vehicle to which the seat unit according to the first embodiment is applied. FIG. 4 is a schematic cross-sectional view illustrating an installation example of the seat unit according to the first embodiment.

  As shown in FIGS. 1, 2, and 3, the seat unit 100 as the wireless power feeding seat unit according to the present embodiment at least partially transmits power from the power source 2 to various electric devices 50. It constitutes a part of a wireless (contactless) power feeding system 1 that transmits wirelessly. The wireless power feeding system 1 is mounted on a vehicle 30 as a vehicle, and a part of the electrical connection between the electric device (on-vehicle device) 50 side and the vehicle 30 side arranged in the vehicle 30 is made wireless. , Non-contact power transmission.

  Here, the electric device 50 to which electric power is supplied by the wireless power supply system 1 typically includes electric power from the wireless power supply system 1 in a predetermined installation area 31 (see FIG. 3 and the like) in the vehicle 30. Is the equipment to be supplied. The electric device 50 can be driven by consuming electric power supplied from the wireless power feeding system 1, or can charge a secondary battery with the supplied electric power. Examples of the electric device 50 include a car navigation system, an audio device, a drive recorder, a triple meter, a radar, a digital camera, a mobile terminal device (for example, a notebook computer, a portable game machine, a mobile phone, a tablet terminal, etc.) Any one of various so-called after-sale items that can be arbitrarily attached to or removed from the vehicle 30 may be included. Moreover, the predetermined installation area | region 31 in the vehicle 30 of the vehicle 30 is an area | region where attachment and use of the electric equipment 50 are anticipated, and is set in each place of the vehicle main body 32 (refer FIG. 3) in which the power supply 2 is provided. The installation area 31 is provided, for example, in a dashboard inside the vehicle 30, a rearview mirror installed in the upper part of the front window, an instrument panel, a console, a rear seat central part, and the like. FIG. 3 shows, as an example, a state in which an electrical device 50 that is an after-product is installed on the dashboard as an installation area 31 in the vehicle 30.

  And the sheet unit 100 applied to the wireless power feeding system 1 follows coils corresponding to various shapes of places where the electric device 50 as an after-product is provided, so that a coil (power transmission coil 7, The power receiving coil 10 or the like) is easily installed in a positional relationship with good transmission efficiency. Hereinafter, first, a schematic configuration of the wireless power feeding system 1 to which the seat unit 100 is applied will be described with reference to FIGS. 1, 2, 3, and 4.

  Specifically, as shown in FIG. 1, the wireless power feeding system 1 includes a power source 2, a power transmission unit 3, a power reception unit 4, a power transmission side communication unit 5, and a power reception side communication unit 6.

  The power source 2 is mounted on the vehicle 30 and is configured by, for example, a power storage device such as a battery (here, a 12V secondary battery). The power transmission unit 3 is provided on the vehicle 30 side and includes a power transmission coil (primary side coil) 7, a switching circuit 8, and an oscillator 9. The power receiving unit 4 is provided on the electric device 50 side, and includes a power receiving coil (secondary coil) 10 and a rectifying / smoothing circuit 11 as a power receiving circuit. The power transmission coil 7 is electrically connected to the power source 2 through various cables, connectors, a switching circuit 8 and the like. The switching circuit 8 constitutes a power transmission circuit of the power transmission coil 7 together with the oscillator 9. The power transmission coil 7 is supplied with power from the power source 2 via these various cables, connectors, switching circuit 8 and the like. The power transmission coil 7 transmits the power supplied from the power source 2 to the power reception coil 10. The power receiving coil 10 receives the power from the power transmitting coil 7 in a non-contact manner. The power receiving coil 10 is electrically connected to the supplied portion 51 of the electric device 50 through various cables, connectors, the rectifying / smoothing circuit 11 and the like. The rectifying / smoothing circuit 11 constitutes a power receiving circuit of the power receiving coil 10. The power receiving coil 10 supplies the power received from the power transmitting coil 7 to the supplied unit 51 via these various cables, connectors, rectifying and smoothing circuit 11 and the like. Here, the supplied unit 51 is, for example, a driving unit that consumes and drives electric power in the electric device 50, a battery (secondary battery) that stores electric power, or the like.

  The pair of power transmission coil 7 and power reception coil 10 according to the present embodiment are configured by, for example, a conductor coil wound in a spiral shape (see FIG. 2 and the like), and are opposed to each other in the axial direction, thereby forming a set of non-sets. The contact power supply transformer 12 (see FIG. 1) is configured. The contactless power supply transformer 12 can transmit power from the power transmission coil 7 to the power reception coil 10 in a noncontact manner by various methods such as an electromagnetic induction method and an electromagnetic resonance method. Here, the electromagnetic induction method refers to transmitting electric power from the power transmission coil 7 to the power receiving coil 10 using electromagnetic induction that generates an electromotive force in the power receiving coil 10 using magnetic flux generated by flowing an alternating current through the power transmitting coil 7 as a medium. It is a method to do. In the electromagnetic field resonance method, an alternating current is passed through the power transmission coil 7 to resonate the power transmission coil 7 and the power reception coil 10 at a specific frequency, and the power reception coil 7 receives power from the power transmission coil 7 using the resonance phenomenon of the electromagnetic field. 10 is a system for transmitting electric power to 10.

  More specifically, when transmitting power from the power transmission coil 7 to the power reception coil 10, the contactless power supply transformer 12 is configured so that the power transmission coil 7 and the power reception coil 10 face each other with an interval therebetween in the axial direction. The direct current from 2 is converted into an alternating current having an arbitrary high frequency via the switching circuit 8 or the like and supplied to the power transmission coil 7. When an alternating current is supplied to the power transmission coil 7, the contactless power supply transformer 12, for example, electromagnetically couples the power transmission coil 7 and the power reception coil 10, and the power from the power transmission coil 7 is generated by electromagnetic induction or electromagnetic resonance. The power is received by the power receiving coil 10 in a non-contact manner. The electric power received by the power receiving coil 10 is converted from an alternating current to a direct current through the rectifying and smoothing circuit 11 and the like and used in the supplied unit 51.

  The power transmission side communication unit 5 is provided on the vehicle 30 side, and includes a power transmission side communication coil 13 and a power transmission side communication circuit 14. The power receiving side communication unit 6 is provided on the electric device 50 side, and includes a power receiving side communication coil 15 and a power receiving side communication circuit 16. The pair of power receiving side communication coil 15 and the power transmitting side communication coil 13 are configured by, for example, conductor coils wound in a spiral like the power transmitting coil 7 and the power receiving coil 10 (see FIG. 2 and the like), and function as an antenna. To do. The power transmission side communication circuit 14 is electrically connected to the power source 2 and the power transmission side communication coil 13, and is connected to the signal output line Tx, the signal reception line Rx, and the ground line GND on the vehicle 30 side. The power receiving side communication circuit 16 is electrically connected to the power receiving side communication coil 15 and is connected to the signal output line Tx, the signal receiving line Rx, and the ground line GND on the electric device 50 side. The power transmission side communication unit 5 and the power reception side communication unit 6 constitute a set of communication units 17 (see FIG. 1). The communication unit 17 is configured such that, for example, NFC (Near Field Communication), Bluetooth (registered trademark), Wi-Fi (Wireless Fidelity), ZigBee (registered trademark), and the like on the power transmission side communication unit 5 and the power reception side communication. It is possible to communicate with the unit 6 and exchange information such as detection signals and control commands with each other. The communicable range between the power transmission side communication unit 5 and the power reception side communication unit 6, that is, the communicable range in the communication unit 17 is wider than the power transmission range between the power transmission coil 7 and the power reception coil 10. More specifically, the communicable range between the power transmission side communication unit 5 and the power reception side communication unit 6 includes at least the entire interior of the vehicle 30 in a state where the electric device 50 is in the vehicle 30. The power transmission side communication unit 5 and the power reception side communication unit 6 include various information and various vehicle information (for example, speed information, GPS position information, temperature, etc.) for using the electric device 50 as an after-product in the vehicle 30. Information, sensor information, etc.). The wireless power feeding system 1 performs non-contact power transmission by the power transmission coil 7 and the power receiving coil 10 that constitute the non-contact power feeding transformer 12 based on a control signal and the like transmitted and received via the communication unit 17.

  The power transmission coil 7 and the power reception coil 10 of the present embodiment constitute a power transmission sheet 101 and a power reception sheet 102, respectively, and the power transmission sheet 101 and the power reception sheet 102 constitute a sheet unit 100.

  Specifically, the seat unit 100 includes a power transmission sheet 101 provided on the vehicle 30 side and a power reception sheet 102 provided on the electric device 50 side. The power transmission sheet 101 includes a power transmission substrate 111 and a power transmission coil 7. The power receiving sheet 102 includes a power receiving substrate 112 and a power receiving coil 10. Here, the power transmission sheet 101 further includes a power transmission side communication coil 13, and the power reception sheet 102 includes a power reception side communication coil 15.

  Both the power transmission substrate 111 and the power reception substrate 112 are formed in a flexible sheet shape. The power transmission base 111 and the power reception base 112 are made of various flexible thin film resin films such as PET (polyethylene terephthalate) resin, PC (polycarbonate) resin, PE (polyethylene) resin, and PP (polypropylene) resin. Can be used. Here, the power transmission substrate 111 and the power reception substrate 112 are formed in a substantially rectangular sheet shape by a transparent member that transmits light.

  The power transmission coil 7 and the power transmission side communication coil 13 are provided on the power transmission base 111. Here, the power transmission coil 7 and the power transmission side communication coil 13 are formed at positions that do not overlap each other on the same surface of the main surface of the power transmission substrate 111. As described above, the power transmission coil 7 and the power transmission side communication coil 13 of the present embodiment are both configured by a spiral coil type conductor coil wound in a spiral shape. The power transmission coil 7 and the power transmission side communication coil 13 can use copper etc. as a conductor which comprises a conductor coil, for example. The power transmission coil 7 and the power transmission side communication coil 13 may be formed by spirally printing the conductor constituting the conductor coil on the surface of the power transmission base 111, or already formed as a spiral conductor coil. It may be formed by bonding a thing to the surface of the power transmission substrate 111. The power transmission coil 7 and the power transmission side communication coil 13 are provided with terminals 7 a and 13 a for electrical connection with a cable or the like at the end of the power transmission base 111. Here, the terminals 7 a and 13 a are provided on the same long side of the power transmission substrate 111. The power transmission coil 7 and the power transmission side communication coil 13 have been described as being provided on the same surface of the power transmission base 111, but are not limited thereto, and are respectively provided on both surfaces of the main surface of the power transmission base 111. They may be provided in a relationship of front and back surfaces.

  Similarly, the power receiving coil 10 and the power receiving side communication coil 15 are provided on the power receiving substrate 112. Here, the power receiving coil 10 and the power receiving side communication coil 15 are formed at positions that do not overlap each other on the same surface of the main surface of the power receiving substrate 112. As described above, the power reception coil 10 and the power reception side communication coil 15 of the present embodiment are each configured by a spiral coil type conductor coil wound in a spiral shape. The power reception coil 10 and the power reception side communication coil 15 can use copper etc. as a conductor which comprises a conductor coil, for example. The power receiving coil 10 and the power receiving side communication coil 15 may be formed by spirally printing a conductor constituting the conductor coil on the surface of the power receiving base material 112, or already formed as a spiral conductor coil. It may be formed by bonding a material to the surface of the power receiving substrate 112. The power receiving coil 10 and the power receiving side communication coil 15 are arranged so as to have a positional relationship equivalent to the positional relationship between the power transmitting coil 7 and the power transmitting side communication coil 13, that is, the power receiving coil 10 and the power transmitting coil 7 are arranged. The power receiving side communication coil 15 and the power transmission side communication coil 13 are arranged so as to face each other in a state where they face each other. The power receiving coil 10 and the power receiving side communication coil 15 are provided with terminals 10 a and 15 a for electrical connection with a cable or the like at the end of the power receiving base 112. Here, the terminals 10 a and 15 a are provided on the same long side of the power receiving substrate 112. The power receiving coil 10 and the power receiving side communication coil 15 have been described as being provided on the same surface of the power receiving base 112, but are not limited thereto, and are provided on both sides of the main surface of the power receiving base 112, that is, They may be provided in a relationship of front and back surfaces.

  And as for the power transmission sheet | seat 101, the whole including the power transmission coil 7 and the power transmission side communication coil 13 is possible because the power transmission coil 7 and the power transmission side communication coil 13 are provided in the flexible power transmission base material 111 as mentioned above. As shown in FIG. 4, it has flexibility and is provided to follow the shape of the wall surface 33 constituting the installation region 31. The wall surface 33 that constitutes the installation region 31 illustrated in FIG. 4 is a curved surface having a curved surface protruding toward the side opposite to the side on which the power transmission sheet 101 is provided (for example, the vehicle interior side of the vehicle 30). . The power transmission sheet 101 is provided in a curved shape following the shape of the wall surface 33 formed as the curved surface. In other words, the power transmission sheet 101 is formed to have a degree of flexibility that can be curved into a curved surface following the shape of the wall surface 33. Here, the power transmission sheet 101 is provided on the side opposite to the inside of the vehicle 30 with the wall surface 33 as a boundary, and is provided so as not to be exposed to the inside of the vehicle 30. The power transmission sheet 101 is provided on the wall surface 33 by, for example, an adhesive, a double-sided tape, a screw, or the like.

  On the other hand, the power receiving sheet 102 is entirely provided including the power receiving coil 10 and the power receiving side communication coil 15 by providing the power receiving coil 10 and the power receiving side communication coil 15 on the flexible power receiving base material 112 as described above. As shown in FIG. 4, it has flexibility and is provided following the shape of the wall surface 53 that constitutes the casing 52 of the electric device 50 provided with the supplied portion 51 (see FIG. 1). The wall surface 53 constituting the housing 52 shown in FIG. 4 is a concave curved surface that is depressed toward the side where the power receiving sheet 102 is provided, and more specifically, the above-described curved surface formed as a curved surface. It is a curved surface along the shape of the wall surface 33 constituting the installation region 31. The power receiving sheet 102 is provided in a curved shape following the shape of the wall surface 53 formed as the curved surface. In other words, the power receiving sheet 102 is formed to have a degree of flexibility that can be curved into a curved surface following the shape of the wall surface 53. Here, the power receiving sheet 102 is provided on the side where the supplied part 51 and the like are provided with the wall surface 53 as a boundary (that is, inside the casing 52), and is provided so as not to be exposed outside the casing 52. . The power receiving sheet 102 is provided on the wall surface 53 with, for example, an adhesive, a double-sided tape, a screw, or the like.

  Here, the sheet unit 100 of the present embodiment further includes an alignment unit 103 as shown in FIGS. 2 and 4. The alignment unit 103 aligns the power transmission sheet 101 and the power reception sheet 102 at a position where the power transmission coil 7 and the power reception coil 10 face each other and power can be transmitted from the power transmission coil 7 to the power reception coil 10. It is. More specifically, the alignment unit 103 faces the power transmission coil 7 and the power receiving coil 10 so that the transmission efficiency is relatively high, and the power receiving side communication coil 15 and the power transmission side communication coil 13 face each other. The power transmission sheet 101 and the power reception sheet 102 are aligned so as to have a positional relationship. The alignment unit 103 according to the present embodiment includes a magnet 103 a provided on the power transmission sheet 101 and a magnet 103 b provided on the power reception sheet 102. A total of two magnets 103 a are provided on the diagonal of the power transmission base 111. Similarly, a total of two magnets 103 b are provided, one on the diagonal of the power receiving substrate 112. The magnets 103a and 103b have different polarities. The magnet 103a and the magnet 103b are in a positional relationship in which the power transmission coil 7 and the power reception coil 10 face each other so that the transmission efficiency is relatively high, and the power reception side communication coil 15 and the power transmission side communication coil 13 face each other. , Face each other and attract each other. Thereby, the alignment part 103 can align the power transmission sheet | seat 101 and the power receiving sheet | seat 102 with the above positional relationships with the magnetic force of the said magnet 103a and the said magnet 103b. Further, here, the alignment unit 103 is an after-appliance device in which the power receiving sheet 102 is provided with respect to the installation region 31 of the vehicle 30 in which the power transmitting sheet 101 is provided by the magnetic force between the magnets 103a and 103b. 50 can be held so as not to be misaligned. As a result, the wireless power feeding system 1 holds the electric device 50 at a position where the power transmission efficiency between the power transmission coil 7 and the power reception coil 10 becomes relatively high even when the vehicle 30 is traveling. Therefore, power can be stably supplied to the electric device 50 and power transmission efficiency can be improved.

  According to the sheet unit 100 described above, a sheet-like power transmission base 111 having flexibility, and a power transmission sheet 101 having the power transmission coil 7 provided on the power transmission base 111 and supplied with power from the power source 2. And a sheet-like power receiving base 112 having flexibility, and a power receiving sheet 102 having the power receiving coil 10 provided on the power receiving base 112 and receiving power from the power transmission coil 7 in a non-contact manner. According to the electric device 50 described above, the casing 52 in which the supplied portion 51 to which power is supplied is provided, the flexible sheet-like power receiving base 112, and the power receiving base 112. The power receiving coil 10 includes the power receiving coil 10 that receives power from the power transmitting coil 7 in a non-contact manner and supplies the power to the supplied portion 51, and includes a power receiving sheet 102 that is provided to follow the shape of the wall surface 53 that configures the housing 52. According to the vehicle 30 described above, the installation area 31 provided in the vehicle main body 32 where the power source 2 is provided, the flexible sheet-like power transmission base 111, and the power source provided in the power transmission base 111. A power transmission sheet 101 that has power transmission coil 7 that is supplied with power from 2 and transmits the supplied power to the power receiving coil 10 in a contactless manner, and is provided to follow the shape of the wall surface 33 that configures the installation region 31. Prepare.

  Therefore, the seat unit 100, the power receiving sheet 102, the power transmission sheet 101, the electric device 50, and the vehicle 30 are configured by providing the power transmission coil 7 on at least a flexible sheet-shaped power transmission base 111. One of the power receiving sheet 102 formed by providing the power receiving coil 10 on the power transmitting sheet 101 or the flexible sheet-like power receiving base 112, here both are attached portions, here the wall surface 33. , 53 can be bent following the shape. As a result, the seat unit 100, the power receiving sheet 102, the power transmitting sheet 101, the electric device 50, and the vehicle 30 are in a position where the transmission efficiency of the positional relationship between the power transmitting coil 7 and the power receiving coil 10 is good with respect to various shapes. Can be in a relationship. That is, the seat unit 100, the power receiving sheet 102, the power transmitting sheet 101, the electric device 50, and the vehicle 30 cause the power transmitting base material 111 and the power receiving base material 112 to follow the shape of the wall surfaces 33 and 53 of the portion to be attached. By curving, regardless of the shape of the wall surfaces 33 and 53, the power transmission coil 7 and the power reception coil 10 can be opposed so that the power transmission efficiency is relatively high. As a result, the seat unit 100, the power receiving sheet 102, the power transmitting sheet 101, the electric device 50, and the vehicle 30 can achieve both improved transmission efficiency and improved versatility.

  In addition, the seat unit 100, the power receiving sheet 102, the power transmitting sheet 101, the electric device 50, and the vehicle 30 have not only the power receiving sheet 102 but also the wall surface 53 itself of the electric device 50 on which the power receiving sheet 102 is provided on the installation region 31 side. Since the curved surface conforms to the shape of the wall surface 33, the power transmission coil 7 and the power reception coil 10 can be more directly opposed so that the power transmission efficiency becomes relatively high.

  The seat unit 100, the power receiving sheet 102, the power transmitting sheet 101, the electric device 50, and the vehicle 30 are connected to the power transmitting coil 7 and the power receiving path in the power transmission path from the power source 2 of the vehicle 30 to the electric device 50 as an after-product. By performing non-contact power transmission with the coil 10, it is possible to reduce wiring, connectors, harnesses, and the like between the power source 2 and the electric device 50 that is the power supply destination as much as possible. Thereby, the seat unit 100, the power receiving sheet 102, the power transmission sheet 101, the electric device 50, and the vehicle 30 can suppress, for example, the number of component parts, and can suppress problems caused by the disconnection of the electric wires. . Furthermore, the seat unit 100, the power receiving sheet 102, the power transmission sheet 101, the electric device 50, and the vehicle 30 can reduce work man-hours in incidental work such as attachment work and wiring work of the electric equipment 50, for example. In addition, restrictions on the mounting position of the electric device 50 can be relaxed. Therefore, the seat unit 100, the power receiving sheet 102, the power transmitting sheet 101, the electric device 50, and the vehicle 30 can improve the mounting workability.

  Furthermore, according to the seat unit 100, the power receiving sheet 102, the power transmitting sheet 101, the electric device 50, and the vehicle 30 described above, the power transmitting base material 111 or the power receiving base material 112, here both transmit light. Formed by a transparent member. Therefore, the seat unit 100, the power receiving sheet 102, the power transmitting sheet 101, the electric device 50, and the vehicle 30 are in a positional relationship in which the power transmitting coil 7 and the power receiving coil 10 face each other so that the transmission efficiency is relatively high. When the power transmitting sheet 101 and the power receiving sheet 102 are aligned with each other, the power transmitting base material 111 or the power receiving base material 112 can be passed through and the power transmitting coil 7 and the power receiving coil 10 can be aligned with each other. As a result, the seat unit 100, the power reception sheet 102, the power transmission sheet 101, the electric device 50, and the vehicle 30 can improve the workability when aligning the power transmission sheet 101 and the power reception sheet 102 and facilitate alignment. Can do.

  Furthermore, according to the seat unit 100, the power receiving sheet 102, the power transmitting sheet 101, the electric device 50, and the vehicle 30 described above, the power transmitting sheet 101 and the power receiving sheet 102 are opposed to each other, and the power transmitting coil 7 and the power receiving coil 10 are opposed to each other. And a positioning unit 103 for positioning to a position where power can be transmitted from the power transmission coil 7 to the power receiving coil 10. Therefore, the seat unit 100, the power reception sheet 102, the power transmission sheet 101, the electric device 50, and the vehicle 30 have a relatively high power transmission efficiency between the power transmission coil 7 and the power reception coil 10 by the alignment unit 103. The power receiving sheet 102 and the power transmitting sheet 101 can be aligned at a position where the efficiency becomes high.

  Furthermore, according to the seat unit 100, the power receiving sheet 102, the power transmission sheet 101, the electric device 50, and the vehicle 30 described above, the power transmission sheet 101 includes the power transmission side communication coil 13 provided on the power transmission base 111. The power receiving sheet 102 includes a power receiving side communication coil 15 that is provided on the power receiving base 112 and communicates with the power transmitting side communication coil 13. Therefore, the seat unit 100, the power receiving sheet 102, the power transmission sheet 101, the electric device 50, and the vehicle 30 constitute the power transmission sheet 101 by unitizing the power transmission side communication coil 13 in addition to the power transmission coil 7 and the power transmission base 111. In addition to the power receiving coil 10 and the power receiving base material 112, the power receiving communication coil 15 is unitized to constitute the power receiving sheet 102. As a result, the seat unit 100, the power reception sheet 102, the power transmission sheet 101, the electric device 50, and the vehicle 30 can be attached to the power transmission coil 7 and the power transmission side communication coil 13 in a lump. Since the power-receiving-side communication coil 15 can be attached together, the attachment workability can be improved.

  Further, in the seat unit 100, the power reception sheet 102, the power transmission sheet 101, the electric device 50, and the vehicle 30, the power transmission coil 7 and the terminals 7 a and 13 a of the power transmission side communication coil 13 are provided on the same long side of the power transmission base 111. Thus, the terminals 10 a and 15 a of the power receiving coil 10 and the power receiving side communication coil 15 are provided on the same long side of the power receiving base 112. Thus, the seat unit 100, the power receiving sheet 102, the power transmitting sheet 101, the electric device 50, and the vehicle 30 are arranged on the terminals 7a, 13a, 10a, and 15a when the power receiving sheet 102 and the power transmitting sheet 101 are attached. The search workability can be improved.

[Embodiment 2]
FIG. 5 is a schematic perspective view illustrating a schematic configuration of the seat unit according to the second embodiment. A wireless power feeding sheet unit, a power receiving sheet, a power transmitting sheet, an electric device, and a vehicle according to the second embodiment are different from the first embodiment in that a plurality of power transmitting base materials and power receiving base materials are stacked. In addition, about the structure, an effect | action, and effect which are common in embodiment mentioned above, the overlapping description is abbreviate | omitted as much as possible (hereinafter, the same).

  In the seat unit 200 as the wireless power feeding seat unit of the present embodiment illustrated in FIG. 5, the power transmission sheet 201 is provided in the vehicle 30 (see FIGS. 1 and 3), and the power receiving sheet 202 is provided in the electric device 50, as described above. Is provided. Here, since the power transmission sheet 201 and the power reception sheet 202 have substantially the same configuration, the power transmission sheet 201 and the power reception sheet 202 will be described with reference to FIG. In FIG. 5, reference numerals regarding the power receiving sheet 202 are shown in parentheses.

  The power transmission base material 211 included in the power transmission sheet 201 of the present embodiment includes two substrates, a base material 211a and a base material 211b, and a two-layer stacked structure in which the two base materials 211a and 211b are stacked. It has become. Each of the base materials 211a and 211b has the same configuration as that of the above-described power transmission base material 111, and is formed in a flexible sheet shape. And the power transmission coil 7 of this embodiment is provided in the base material 211a, and the power transmission side communication coil 13 is provided in the base material 211b. The power transmission coil 7 is formed on one of the main surfaces of the base material 211a, and the power transmission side communication coil 13 is formed on one of the main surfaces of the base material 211b on the base material 211a and the base material 211b. Is formed at a position that does not overlap with the power transmission coil 7. And the power transmission sheet | seat 201 is comprised by laminating | stacking the base material 211a in which the power transmission coil 7 was provided, and the base material 211b in which the power transmission side communication coil 13 was provided, and being integrated with an adhesive agent, a double-sided tape, etc. Is done. The power transmission coil 7 is provided with a terminal 7a for electrical connection with a cable or the like on the same long side of the base material 211a, and the power transmission side communication coil 13 is connected with a cable or the like on the same long side of the base material 211b. A terminal 13a is provided for electrical connection. Here, in the power transmission sheet 201, the surface of the base material 211a opposite to the surface on which the power transmission coil 7 is provided and the surface of the base material 211b on which the power transmission side communication coil 13 is provided are in close contact with each other. Although the magnet 103a which comprises the position alignment part 103 is provided in the surface in which the power transmission coil 7 of 211a was provided, it is not restricted to this.

  Similarly, the power receiving base material 212 included in the power receiving sheet 202 of this embodiment includes two base materials 212a and 212b, and two layers in which these two base materials 212a and 212b are laminated. It has a laminated structure. Each of the base materials 212a and 212b has the same configuration as that of the above-described power receiving base material 112, and is formed into a flexible sheet shape. And the receiving coil 10 of this embodiment is provided in the base material 212a, and the power receiving side communication coil 15 is provided in the base material 212b. The power receiving coil 10 is formed on one of the main surfaces of the base material 212a, and the power receiving side communication coil 15 is formed on one surface of the main surfaces of the base material 212b with the base material 212a and the base material 212b. Is formed at a position that does not overlap with the power receiving coil 10. The power receiving sheet 202 is configured by laminating a base material 212a on which the power receiving coil 10 is provided and a base material 212b on which the power receiving side communication coil 15 is provided, and is integrated with an adhesive, a double-sided tape, or the like. Is done. The power receiving coil 10 is provided with a terminal 10a for electrical connection with a cable or the like on the same long side of the base material 212a, and the power receiving side communication coil 15 has a cable or the like on the same long side of the base material 212b. And a terminal 15a for electrical connection. Here, in the power receiving sheet 202, the surface of the base material 212 a opposite to the surface on which the power receiving coil 10 is provided and the surface of the base material 212 b on which the power receiving communication coil 15 is provided are in close contact with each other. Although the magnet 103b which comprises the position alignment part 103 is provided in the surface in which the receiving coil 10 of 212a was provided, it is not restricted to this.

  The seat unit 200, the power receiving sheet 202, the power transmitting sheet 201, the electric device 50, and the vehicle 30 described above can achieve both improved transmission efficiency and improved versatility, as described above.

[Embodiment 3]
FIG. 6 is a schematic perspective view illustrating a schematic configuration of the seat unit according to the third embodiment. A wireless power feeding sheet unit, a power receiving sheet, a power transmission sheet, an electric device, and a vehicle according to the third embodiment are different from the first embodiment in the configuration of the coil.

  In the seat unit 300 as the wireless power feeding seat unit of the present embodiment illustrated in FIG. 6, the power transmission sheet 301 is provided in the vehicle 30 (see FIGS. 1 and 3) and the power receiving sheet 302 is provided in the electric device 50, as described above. Is provided. Here, since the power transmission sheet 301 and the power reception sheet 302 have substantially the same configuration, the power transmission sheet 301 and the power reception sheet 302 will be described with reference to FIG. In FIG. 6, reference numerals regarding the power receiving sheet 302 are shown in parentheses.

  In the power transmission sheet 301 of the present embodiment, a power transmission base plate 111 is provided with a power transmission coil 307 and a power transmission side communication coil 313. Both the power transmission coil 307 and the power transmission side communication coil 313 of the present embodiment are configured by a solenoid coil type conductor coil wound around the power transmission base material 111 with a flat power transmission base material 111 as a core. The power transmission coil 307 and the power transmission side communication coil 313 can use copper etc. as a conductor which comprises a conductor coil, for example. The power transmission coil 307 and the power transmission side communication coil 313 may be formed by spirally printing a conductor constituting the conductor coil around the power transmission base 111, or already formed as a spiral conductor coil. It may be formed by attaching and bonding a thing around the power transmission base 111, or may be formed by directly winding a linear conductor around the power transmission base 111. The power transmission coil 307 and the power transmission side communication coil 313 are provided with terminals 307 a and 313 a for electrical connection with a cable or the like at the end of the power transmission base 111. Here, the terminals 307 a and 313 a are provided on the same long side of the power transmission base 111. Further, the power transmission sheet 301 is provided with a magnet 103 a constituting the alignment unit 103 on the power transmission base 111.

  Similarly, in the power receiving sheet 302 of the present embodiment, a power receiving base plate 112 is provided with a power receiving coil 310 and a power receiving side communication coil 315. The power receiving coil 310 and the power receiving side communication coil 315 of this embodiment are both configured by a solenoid coil type conductor coil wound around the power receiving base 112 with a flat power receiving base 112 as a core. The power reception coil 310 and the power reception side communication coil 315 can use copper etc. as a conductor which comprises a conductor coil, for example. The power receiving coil 310 and the power receiving side communication coil 315 may be formed by spirally printing a conductor constituting the conductor coil around the power receiving base material 112, or already formed as a helical conductor coil. It may be formed by attaching and adhering a material around the power receiving substrate 112, or by winding a linear conductor directly around the power receiving substrate 112. The power receiving coil 310 and the power receiving side communication coil 315 are provided with terminals 310 a and 315 a for electrical connection with a cable or the like at the end of the power receiving base 112. Here, the terminals 310 a and 315 a are provided on the same long side of the power receiving substrate 112. Further, the power receiving sheet 302 is provided with a magnet 103 b that constitutes the alignment unit 103 on the power receiving base 112.

  As described above, the seat unit 300, the power receiving sheet 302, the power transmitting sheet 301, the electric device 50, and the vehicle 30 described above can achieve both improved transmission efficiency and improved versatility.

[Embodiment 4]
FIG. 7 is a schematic perspective view illustrating a schematic configuration of a seat unit according to the fourth embodiment. The wireless power feeding sheet unit, the power receiving sheet, the power transmitting sheet, the electric device, and the vehicle according to the fourth embodiment are implemented in terms of a configuration in which a plurality of power transmitting base materials, power receiving base materials are stacked, and a coil configuration. Different from Form 1.

  In the seat unit 400 as the wireless power feeding seat unit of the present embodiment shown in FIG. 7, the power transmission sheet 401 is provided in the vehicle 30 (see FIGS. 1 and 3) and the power receiving sheet 402 is provided in the electric device 50, as described above. Is provided. Here, since the power transmission sheet 401 and the power reception sheet 402 have substantially the same configuration, the power transmission sheet 401 and the power reception sheet 402 will be described with reference to FIG. In FIG. 7, reference numerals regarding the power receiving sheet 402 are shown in parentheses.

  The power transmission base material 211 included in the power transmission sheet 401 of the present embodiment is configured to include two sheets of the base material 211a and the base material 211b, similar to the power transmission base material 211 of the power transmission sheet 201 described above. It has a two-layer laminated structure in which the base materials 211a and 211b are laminated. And the power transmission sheet 401 of this embodiment is provided with the power transmission coil 407 in the base material 211a, and the power transmission side communication coil 413 in the base material 211b. The power transmission coil 407 is formed of a spiral coil type conductor coil wound in a spiral shape. The power transmission coil 407 may be formed by spirally printing a conductor constituting the conductor coil on one of the main surfaces of the base material 211a, or already formed as a spiral conductor coil. It may be formed by adhering one to the main surface of the base material 211a. The power transmission side communication coil 413 includes a solenoid coil type conductor coil wound around the base material 211b with a flat base material 211b as a core. The power transmission side communication coil 413 may be formed by spirally printing a conductor that constitutes a conductor coil around the base material 211b, or a base material 211b that is already formed as a spiral conductor coil. It may be formed by attaching and bonding around the substrate, or may be formed by directly winding a linear conductor around the substrate 211b. The power transmission coil 407 and the power transmission side communication coil 413 may be formed at overlapping positions in a state where the base material 211a and the base material 211b are stacked. The power transmission coil 407 and the power transmission side communication coil 413 can use copper etc. as a conductor which comprises a conductor coil, for example. The power transmission sheet 401 is configured by laminating the base material 211a provided with the power transmission coil 407 and the base material 211b provided with the power transmission side communication coil 413 and integrating them with an adhesive, a double-sided tape or the like. Is done. In addition, the power transmission coil 407 is provided with a terminal 407a for electrical connection with a cable or the like on the same long side of the base material 211a, and the power transmission side communication coil 413 is a cable or the like on the same long side of the base material 211b. A terminal 413a is provided for electrical connection. Here, in the power transmission sheet 401, the surface opposite to the surface on which the power transmission coil 407 of the base material 211a is provided and one surface of the base material 211b are in close contact, and the power transmission coil 407 of the base material 211a is provided. Although the magnet 103a which comprises the position alignment part 103 is provided in the provided surface, it is not restricted to this. The power transmission coil 407 and the power transmission side communication coil 413 are not limited to the above combination, and the power transmission coil 407 may be configured by a solenoid coil type conductor coil and the power transmission side communication coil 413 may be configured by a spiral coil type conductor coil. .

  Similarly, the power receiving substrate 212 included in the power receiving sheet 402 of the present embodiment is configured to include two substrates 212a and 212b, similar to the power receiving substrate 212 of the power receiving sheet 202 described above. It has a two-layer laminated structure in which two base materials 212a and 212b are laminated. In the power receiving sheet 402 of this embodiment, the power receiving coil 410 is provided on the base material 212a, and the power receiving side communication coil 415 is provided on the base material 212b. The power receiving coil 410 is formed of a spiral coil type conductor coil wound in a spiral shape. The power receiving coil 410 may be formed by spirally printing a conductor constituting the conductor coil on one of the main surfaces of the base material 212a, or has already been formed as a spiral conductor coil. It may be formed by adhering one to the main surface of the base material 212a. The power receiving side communication coil 415 includes a solenoid coil type conductor coil wound around the base material 212b with a flat base material 212b as a core. The power receiving side communication coil 415 may be formed by spirally printing a conductor constituting the conductor coil around the base material 212b, or a base material 212b that is already formed as a spiral conductor coil. It may be formed by attaching and bonding around the substrate, or may be formed by directly winding a linear conductor around the base material 212b. The power receiving coil 410 and the power receiving side communication coil 415 may be formed at overlapping positions in a state where the base material 212a and the base material 212b are stacked. The power reception coil 410 and the power reception side communication coil 415 can use copper etc. as a conductor which comprises a conductor coil, for example. The power receiving sheet 402 is configured by laminating the base material 212a provided with the power receiving coil 410 and the base material 212b provided with the power receiving side communication coil 415 and integrating them with an adhesive, a double-sided tape, or the like. Is done. The power receiving coil 410 is provided with a terminal 410a for electrical connection with a cable or the like on the same long side of the base material 212a, and the power receiving side communication coil 415 is a cable or the like on the same long side of the base material 212b. And a terminal 415a for electrical connection to the terminal. Here, in the power receiving sheet 402, the surface of the base material 212a opposite to the surface on which the power receiving coil 410 is provided and the one surface of the base material 212b are in close contact with each other, and the power receiving coil 410 of the base material 212a is provided. Although the magnet 103b which comprises the position alignment part 103 is provided in the provided surface, it is not restricted to this. The power receiving coil 410 and the power receiving side communication coil 415 are not limited to the above combination, and the power receiving coil 410 may be configured by a solenoid coil type conductor coil, and the power receiving side communication coil 415 may be configured by a spiral coil type conductor coil. .

  As described above, the seat unit 400, the power receiving sheet 402, the power transmitting sheet 401, the electric device 50, and the vehicle 30 described above can achieve both improved transmission efficiency and improved versatility.

[Embodiment 5]
FIG. 8 is a schematic perspective view illustrating a schematic configuration of the seat unit according to the fifth embodiment. The wireless power feeding seat unit, the power receiving sheet, the power transmission sheet, the electric device, and the vehicle according to the fifth embodiment are different from the first embodiment in the configuration of the alignment unit.

  In the seat unit 500 as the wireless power feeding seat unit of the present embodiment shown in FIG. 8, the power transmission sheet 101 is provided in the vehicle 30 (see FIGS. 1 and 3), and the power receiving sheet 102 is provided in the electric device 50, as described above. Is provided. The sheet unit 500 of the present embodiment includes an alignment unit 503.

  The alignment unit 503 aligns the power transmission sheet 101 and the power reception sheet 102 at a position where the power transmission coil 7 and the power reception coil 10 face each other and power can be transmitted from the power transmission coil 7 to the power reception coil 10. It is. More specifically, the alignment unit 503 faces the power transmission coil 7 and the power reception coil 10 so that the transmission efficiency is relatively high, and the power reception side communication coil 15 and the power transmission side communication coil 13 face each other. The power transmission sheet 101 and the power reception sheet 102 are aligned so as to have a positional relationship. The alignment unit 503 of the present embodiment includes a light receiving element 503 a provided in the power transmission sheet 101 and a light emitting element 503 b provided in the power receiving sheet 102. The light receiving element 503a converts light into an electrical signal. For example, a photodiode or the like can be used. The light emitting element 503b converts an electrical signal into light and irradiates the converted light. For example, a light emitting diode or the like can be used. A total of two light receiving elements 503 a are provided, one on the diagonal of the power transmission substrate 111. Similarly, a total of two light emitting elements 503b are provided, one on the diagonal of the power receiving substrate 112. Each light receiving element 503a and each light emitting element 503b are paired one by one, and the power transmission coil 7 and the power reception coil 10 face each other so that the transmission efficiency is relatively high. They are arranged at positions facing each other in a positional relationship in which the power transmission side communication coil 13 faces directly. Thereby, the alignment unit 503 has received that each light receiving element 503a has received the light emitted by each light emitting element 503b when the power transmitting sheet 101 and the power receiving sheet 102 are positioned in the above-described positional relationship (each By confirming that the electrical signal of the light receiving element 503a has become larger than a predetermined threshold value, it is possible to detect that the power transmitting sheet 101 and the power receiving sheet 102 are aligned in the above positional relationship. . As a result, in the wireless power feeding system 1, the power transmission coil 7 and the power receiving coil 10 face each other so that the transmission efficiency is relatively high, and the power receiving side communication coil 15 and the power transmission side communication coil 13 face each other. Thus, the power transmission sheet 101 on the installation area 31 side and the power reception sheet 102 on the electric device 50 side can be aligned. In the wireless power feeding system 1, it is detected that the power transmitting sheet 101 and the power receiving sheet 102 are displaced from the positional relationship as described above by the light receiving elements 503 a and the light emitting elements 503 b that constitute the alignment unit 503. If there is an electrical signal (when the electrical signal of each light receiving element 503a is less than a predetermined threshold value), the fact that the power transmitting sheet 101 and the power receiving sheet 102 are misaligned may be guided via the guide device 534 or the like. The guide device 534 may be configured to include at least one of a display, a speaker, and the like provided in the vehicle interior of the vehicle 30, for example. As the guide device 534, for example, a display or a speaker of a navigation system mounted on the vehicle 30 may be used. In addition to the display and the speaker, the guide device 534 may include a device that outputs tactile information such as handle vibration, seat vibration, pedal reaction force, and the like. As a result, the seat unit 500, the power receiving sheet 102, the power transmitting sheet 101, the electric device 50, and the vehicle 30 can improve the workability when aligning the power transmitting sheet 101 and the power receiving sheet 102 and facilitate the alignment. Can do.

  As described above, the seat unit 500, the power receiving sheet 102, the power transmitting sheet 101, the electric device 50, and the vehicle 30 described above can achieve both improved transmission efficiency and improved versatility.

  The wireless power feeding sheet unit, the power receiving sheet, the power transmission sheet, the electric device, and the vehicle according to the above-described embodiment of the present invention are not limited to the above-described embodiment, and are within the scope described in the claims. Various changes are possible. The sheet unit for wireless power feeding, the power receiving sheet, the power transmitting sheet, the electric device, and the vehicle according to the present embodiment may be configured by appropriately combining the constituent elements of the embodiments and modified examples described above.

  The wireless power feeding seat unit described above has been described as being mounted on the vehicle 30 as a vehicle, but is not limited thereto, and may be mounted on other vehicles such as trains, airplanes, ships, and the like.

  Although the power transmission base material and the power reception base material demonstrated above were demonstrated as what is formed of the transparent member which permeate | transmits light, it is not restricted to this.

  The wireless power feeding sheet unit described above may not include the alignment unit.

  The power receiving sheet and the power transmitting sheet described above are each provided with a magnetic member (magnetic shield) such as a ferrite for suppressing an electromagnetic field generated when transmitting electric power in a non-contact manner to the surroundings. Also good.

  Any one of the power transmitting base material and the power receiving base material described above may not have flexibility as described above, and may not follow the shape of the portion to be provided.

  The wall surface 33 described above is described as a curved curved surface protruding toward the side opposite to the side on which the power transmission sheet 101 or the like is provided. It does not have to be curved. Further, the power transmission sheet 101 and the like may be provided so as to be exposed to the vehicle interior side of the vehicle 30 with the wall surface 33 as a boundary. Similarly, the wall surface 53 described above has been described as a concave curved surface that is depressed toward the side on which the power receiving sheet 102 or the like is provided, but the wall surface 53 may be curved in the opposite direction. It does not have to be curved. Moreover, although the wall surface 53 demonstrated as what follows the shape of the wall surface 33 to comprise, it is not restricted to this. The power receiving sheet 102 and the like may be provided so as to be exposed to the outside of the housing 52 with the wall surface 53 as a boundary.

  The power transmission base material 211 described above has been described as having a two-layer laminated structure in which two base materials 211a and 211b are laminated, but is not limited to this, and has a laminated structure of three or more layers. Also good. Similarly, the power receiving base material 212 described above has been described as having a two-layer structure in which two base materials 212a and 212b are stacked. It may be.

DESCRIPTION OF SYMBOLS 1 Wireless electric power feeding system 2 Power supply 7,307,407 Power transmission coil 10,310,410 Power receiving coil 13,313,413 Power transmission side communication coil 15,315,415 Power receiving side communication coil 30 Vehicle (vehicle)
Reference Signs List 31 Installation Area 32 Vehicle Main Body 33, 53 Wall Surface 50 Electrical Equipment 51 Supply Part 52 Case 100, 200, 300, 400, 500 Seat Unit (Wireless Power Feed Seat Unit)
101, 201, 301, 401 Power transmission sheet 102, 202, 302, 402 Power reception sheet 103, 503 Positioning unit 111, 211 Power transmission base material 112, 212 Power reception base material

Claims (9)

A sheet-like power transmission base material having flexibility, and a power transmission sheet provided with power transmission coils provided on the power transmission base material and supplied with power from a power source;
A sheet-shaped power receiving base material having flexibility, and a power receiving sheet provided on the power receiving base material and having a power receiving coil for receiving power from the power transmission coil in a non-contact manner,
Wireless power supply seat unit. The power transmission substrate or the power reception substrate is formed by a transparent member that transmits light.
The wireless power feeding seat unit according to claim 1. The power transmission sheet and the power reception sheet are provided with an alignment unit that aligns the power transmission coil and the power reception coil at positions where the power transmission coil and the power reception coil face each other and transmit power from the power transmission coil to the power reception coil.
The sheet unit for wireless power feeding according to claim 1 or 2. The power transmission sheet has a power transmission side communication coil provided on the power transmission base material,
The power receiving sheet has a power receiving side communication coil that is provided on the power receiving base material and communicates with the power transmitting side communication coil.
The sheet unit for wireless power feeding according to any one of claims 1 to 3. The power transmission sheet is provided to follow the shape of the wall surface constituting the installation area provided in the vehicle body provided with the power source,
The power receiving sheet is provided so as to follow the shape of a wall surface that constitutes a housing in which a supplied portion to which power is supplied is provided.
The sheet unit for wireless power feeding according to any one of claims 1 to 4. A sheet-like power receiving substrate having flexibility;
A power receiving coil that is provided on the power receiving base and receives power from the power transmitting coil in a non-contact manner;
Power receiving sheet. A sheet-like power transmission base material having flexibility;
A power transmission coil that is provided on the power transmission base and is supplied with power from a power source and transmits the supplied power to the power receiving coil in a contactless manner;
Power transmission sheet. A housing provided with a supplied part to which power is supplied;
A sheet-shaped power receiving base material having flexibility, and a power receiving coil provided on the power receiving base material for receiving power from a power transmission coil in a non-contact manner and supplying the power to the supplied portion, and constituting the casing And a power receiving sheet provided to follow the shape of the wall surface.
Electrical equipment. An installation area provided in the vehicle body where the power supply is provided;
A sheet-like power transmission base material having flexibility, and a power transmission coil that is provided on the power transmission base material and is supplied with power from the power source and transmits the supplied power to a power receiving coil in a contactless manner, A power transmission sheet provided to follow the shape of the wall surface constituting the installation area,
vehicle.

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