Power reception device, power transmission device, and power transfer system
First Claim
Patent Images
1. A power reception device comprising:
- a power reception unit including a first capacitor, and receiving electric power in a non-contact manner from an externally provided power transmission unit,a first housing case housing said power reception unit inside, anda first anchor member anchoring said first capacitor,said first housing case including a first shield defining a region where an electromagnetic field developed around said power reception unit is emitted,said first capacitor being anchored by said first anchor member at a position spaced apart from said first shield,said first shield including;
a top plate; and
a first peripheral wall formed suspending from said top plate,said first shield having a first opening formed, opposite to said top plate,said first housing case including an insulative first lid closing said first opening, andsaid first capacitor being secured to said first lid.
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Abstract
A power reception device includes a power reception unit having a first capacitor, receiving electric power in a non-contact manner from an externally provided power transmission unit, a first housing case housing the power reception unit inside, and a first anchor member anchoring the first capacitor. The first housing case includes a first shield defining a region where an electromagnetic field developed around the power reception unit is emitted. The first capacitor is anchored by the first anchor member at a position spaced apart from the first shield.
37 Citations
24 Claims
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1. A power reception device comprising:
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a power reception unit including a first capacitor, and receiving electric power in a non-contact manner from an externally provided power transmission unit, a first housing case housing said power reception unit inside, and a first anchor member anchoring said first capacitor, said first housing case including a first shield defining a region where an electromagnetic field developed around said power reception unit is emitted, said first capacitor being anchored by said first anchor member at a position spaced apart from said first shield, said first shield including; a top plate; and a first peripheral wall formed suspending from said top plate, said first shield having a first opening formed, opposite to said top plate, said first housing case including an insulative first lid closing said first opening, and said first capacitor being secured to said first lid. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A power reception device comprising:
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a power reception unit including a first capacitor, and receiving electric power in a non-contact manner from an externally provided power transmission unit, a first housing case housing said power reception unit inside, and a first anchor member anchoring said first capacitor, said first housing case including a first shield defining a region where an electromagnetic field developed around said power reception unit is emitted, said first capacitor being anchored by said first anchor member at a position spaced apart from said first shield, said first capacitor including; a first electrode; and a second electrode arranged opposite to said first electrode with a distance therebetween, said first anchor member including a first contact face in contact with said first capacitor, and a region of said first contact face, located between said first electrode and said second electrode, having a trench formed.
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9. A power reception device comprising:
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a power reception unit including a first capacitor, and receiving electric power in a non-contact manner from an externally provided power transmission unit, a first housing case housing said power reception unit inside, and a first anchor member anchoring said first capacitor, said first housing case including a first shield defining a region where an electromagnetic field developed around said power reception unit is emitted, said first capacitor being anchored by said first anchor member at a position spaced apart from said first shield, said first shield including; a top plate; and a first peripheral wall formed suspending from said top plate, said first shield having a first opening formed, opposite to said top plate, said first housing case including; an insulative first lid closing said first opening; and a first support provided at said first lid, supporting said first capacitor, said first capacitor including; a first electrode; and a second electrode arranged opposite to said first electrode with a distance therebetween, a region of an inner circumferential face of said first support, located between said first electrode and said second electrode, having a trench formed.
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10. A power reception device comprising:
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a power reception unit including a first capacitor, and receiving electric power in a non-contact manner from an externally provided power transmission unit, a first housing case housing said power reception unit inside, and a first anchor member anchoring said first capacitor, said first housing case including a first shield defining a region where an electromagnetic field developed around said power reception unit is emitted, said first capacitor being anchored by said first anchor member at a position spaced apart from said first shield, said first capacitor including; a first electrode; and a second electrode arranged opposite to said first electrode with a distance therebetween, said first anchor member including a first holder formed so as to cover a circumferential face of said first capacitor, and a region of an inner circumferential face of said first holder, located between said first electrode and said second electrode, having a trench formed.
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11. A power reception device comprising:
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a power reception unit including a first capacitor, and receiving electric power in a non-contact manner from an externally provided power transmission unit, a first housing case housing said power reception unit inside, and a first anchor member anchoring said first capacitor, said first housing case including a first shield defining a region where an electromagnetic field developed around said power reception unit is emitted, said first capacitor being anchored by said first anchor member at a position spaced apart from said first shield, said first capacitor including; a first electrode; and a second electrode arranged opposite to said first electrode with a distance therebetween, said first anchor member including a second holder formed so as to cover an inner circumferential face of said first capacitor, and a region of an inner circumferential face of said second holder, located between said first electrode and said second electrode, having a hole formed.
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12. A power transmission device comprising:
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a power transmission unit including a second capacitor, and transmitting electric power in a non-contact manner to an externally provided power reception unit, a second housing case housing said power transmission unit inside, and a second anchor member anchoring said second capacitor, said second housing case including a second shield defining a region where an electromagnetic field developed around said power transmission unit is emitted, said second capacitor being anchored by said second anchor member at a position spaced apart from said second shield, said second shield including; a bottom plate; and a second peripheral wall formed so as to erect from said bottom plate, said second shield having a second opening formed, opposite to said bottom plate, said second housing case including an insulative second lid closing said second opening, and said second capacitor being secured to said second lid. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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19. A power transmission device comprising:
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a power transmission unit including a second capacitor, and transmitting electric power in a non-contact manner to an externally provided power reception unit, a second housing case housing said power transmission unit inside, and a second anchor member anchoring said second capacitor, said second housing case including a second shield defining a region where an electromagnetic field developed around said power transmission unit is emitted, said second capacitor being anchored by said second anchor member at a position spaced apart from said second shield, said second capacitor including; a third electrode; and a fourth electrode arranged opposite to said third electrode with a distance therebetween, said second anchor member including a second contact face in contact with said second capacitor, and a region of said second contact face, located between said third electrode and said fourth electrode, having a trench formed.
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20. A power transmission device comprising:
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a power transmission unit including a second capacitor, and transmitting electric power in a non-contact manner to an externally provided power reception unit, a second housing case housing said power transmission unit inside, and a second anchor member anchoring said second capacitor, said second housing case including a second shield defining a region where an electromagnetic field developed around said power transmission unit is emitted, said second capacitor being anchored by said second anchor member at a position spaced apart from said second shield, said second shield including; a bottom plate; and a second peripheral wall formed so as to erect from said bottom plate, said second shield having a second opening formed, opposite to said bottom plate, said second housing case including; an insulative second lid closing said second opening; and a second support provided at said second lid, and supporting said second capacitor, said second capacitor including; a third electrode; and a fourth electrode arranged opposite to said third electrode with a distance therebetween, and a region of an inner circumferential face of said second support, located between said third electrode and said fourth electrode, having a trench formed.
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21. A power transmission device comprising:
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a power transmission unit including a second capacitor, and transmitting electric power in a non-contact manner to an externally provided power reception unit, a second housing case housing said power transmission unit inside, and a second anchor member anchoring said second capacitor, said second housing case including a second shield defining a region where an electromagnetic field developed around said power transmission unit is emitted, said second capacitor being anchored by said second anchor member at a position spaced apart from said second shield, said second capacitor including; a third electrode; and a fourth electrode arranged opposite to said third electrode with a distance therebetween, said second anchor member including a third holder formed so as to cover a circumferential face of second capacitor, and a region of an inner circumferential face of said third holder, located between said third electrode and said fourth electrode, having a trench formed.
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22. A power transmission device comprising:
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a power transmission unit including a second capacitor, and transmitting electric power in a non-contact manner to an externally provided power reception unit, a second housing case housing said power transmission unit inside, and a second anchor member anchoring said second capacitor, said second housing case including a second shield defining a region where an electromagnetic field developed around said power transmission unit is emitted, said second capacitor being anchored by said second anchor member at a position spaced apart from said second shield, said second capacitor including; a third electrode; and a fourth electrode arranged opposite to said third electrode with a distance therebetween, said second anchor member including a fourth holder formed so as to cover a circumferential face of said second capacitor, and a region of an inner circumferential face of said fourth holder, located between said third electrode and said fourth electrode, having a hole formed.
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23. A power transfer system comprising:
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a power transmission device including a power transmission unit; and a power reception device, said power reception device including; a power reception unit receiving electric power from said power transmission unit in a non-contact manner, and including a first capacitor; a first housing case housing said power reception unit inside; and a first anchor member anchoring said first capacitor, said first housing case including a first shield defining a region where an electromagnetic field developed around said power reception unit is emitted, said first capacitor being anchored by said first anchor member at a position spaced apart from said first shield, said first shield including; a top plate; and a first peripheral wall formed suspending from said top plate, said first shield having a first opening formed, opposite to said top plate, said first housing case including an insulative first lid closing said first opening, and said first capacitor being secured to said first lid.
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24. A power transfer system comprising:
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a power reception device including a power reception unit; and a power transmission device, said power transmission device including; a power transmission unit transmitting electric power in a non-contact manner to said power reception unit, and including a second capacitor; a second housing case housing said power transmission unit inside; and a second anchor member anchoring said second capacitor, said second housing case including a second shield defining a region where an electromagnetic field developed around said power transmission unit is emitted, said second capacitor being anchored by said second anchor member at a position spaced apart from said second shield, said second shield including; a bottom plate; and a second peripheral wall formed so as to erect front said bottom plate, said second shield having a second opening formed, opposite to said bottom plate, said second housing case including an insulative second lid closing said second opening, and said second capacitor being secured to said second lid.
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Specification