Power Semiconductor Module
First Claim
1. A power semiconductor module, comprising:
- a power semiconductor device;
a first heat dissipation plate provided at one side of the power semiconductor device;
a second heat dissipation plate provided at another side of the power semiconductor device;
a first channel through which a refrigerant flows so as to meet the first heat dissipation plate;
a second channel through which a refrigerant flows so as to meet the second heat dissipation plate;
a first channel wall arranged substantially parallel to the first heat dissipation plate so as to divide the first channel;
a second channel wall arranged substantially parallel to the second heat dissipation plate so as to divide the second channel;
a first refrigerant outlet provided on the first channel wall in a position corresponding to the power semiconductor device;
a second refrigerant outlet provided on the second channel wall in a position corresponding to the power semiconductor device;
first pin fins provided on at least one of the first heat dissipation plate and the second heat dissipation plate so as to be arranged radially around at least one of the first refrigerant outlet and the second refrigerant outlet; and
second pin fins arranged in a staggered manner or in a tessellated manner around the first pin fins that are arranged radially.
1 Assignment
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Accused Products
Abstract
A power semiconductor module includes: a power semiconductor device; a first heat dissipation plate; a second heat dissipation plate; a first channel; a second channel; a first channel wall; a second channel wall; a first refrigerant outlet provided on the first channel wall in a position corresponding to the power semiconductor device; a second refrigerant outlet provided on the second channel wall in a position corresponding to the power semiconductor device; first pin fins provided on at least one of the first heat dissipation plate and the second heat dissipation plate so as to be arranged radially around at least one of the first refrigerant outlet and the second refrigerant outlet; and second pin fins arranged in a staggered manner or in a tessellated manner around the first pin fins that are arranged radially.
35 Citations
11 Claims
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1. A power semiconductor module, comprising:
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a power semiconductor device; a first heat dissipation plate provided at one side of the power semiconductor device; a second heat dissipation plate provided at another side of the power semiconductor device; a first channel through which a refrigerant flows so as to meet the first heat dissipation plate; a second channel through which a refrigerant flows so as to meet the second heat dissipation plate; a first channel wall arranged substantially parallel to the first heat dissipation plate so as to divide the first channel; a second channel wall arranged substantially parallel to the second heat dissipation plate so as to divide the second channel; a first refrigerant outlet provided on the first channel wall in a position corresponding to the power semiconductor device; a second refrigerant outlet provided on the second channel wall in a position corresponding to the power semiconductor device; first pin fins provided on at least one of the first heat dissipation plate and the second heat dissipation plate so as to be arranged radially around at least one of the first refrigerant outlet and the second refrigerant outlet; and second pin fins arranged in a staggered manner or in a tessellated manner around the first pin fins that are arranged radially. - View Dependent Claims (2, 8, 9, 10)
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3. A power semiconductor module, comprising:
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a power semiconductor device; a first heat dissipation plate provided at one side of the power semiconductor device; a second heat dissipation plate provided at another side of the power semiconductor device; a first channel through which a refrigerant flows so as to meet the first heat dissipation plate; a second channel through which a refrigerant flows so as to meet the second heat dissipation plate; a first channel wall arranged substantially parallel to the first heat dissipation plate so as to divide the first channel; a second channel wall arranged substantially parallel to the second heat dissipation plate so as to divide the second channel; a first refrigerant outlet provided on the first channel wail in a position corresponding to the power semiconductor device; a second refrigerant outlet provided on the second channel wall in a position corresponding to the power semiconductor device; first holes provided on at least one of the first heat dissipation plate and the second heat dissipation plate so as to be arranged concentrically around at least one of the first refrigerant outlet and the second refrigerant outlet, with each hole formed in a cylindrical shape, in a conical shape or in a half-cone shape; and second holes arranged in a staggered manner around the first holes that are arranged radially, with each hole formed in a cylindrical shape, in a conical shape or in a half-cone shape. - View Dependent Claims (4, 11)
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5. A power semiconductor module, comprising:
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a power semiconductor device; a first heat dissipation plate provided at one side of the power semiconductor device; a second heat dissipation plate provided at another side of the power semiconductor device; a first channel through which a refrigerant flows so as to meet the first heat dissipation plate; a second channel through which a refrigerant flows so as to meet the second heat dissipation plate; a first channel wall arranged substantially parallel to the first heat dissipation plate so as to divide the first channel; a second channel wall arranged substantially parallel to the second heat dissipation plate so as to divide the second channel; a first refrigerant outlet provided on the first channel wall in a position corresponding to the power semiconductor device; a second refrigerant outlet provided on the second channel wall in a position corresponding to the power semiconductor device; first flat fins provided on at least one of the first heat dissipation plate and the second heat dissipation plate so as to be arranged radially around at least one of the first refrigerant outlet and the second refrigerant outlet; and second flat fins arranged in parallel to one another around the first flat fins that are arranged radially. - View Dependent Claims (7)
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6. A power semiconductor module, comprising:
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a power semiconductor device; a first heat dissipation plate provided at one side of the power semiconductor device; a second heat dissipation plate provided at another side of the power semiconductor device; a first channel through which a refrigerant flows so as to meet the first heat dissipation plate; a second channel through which a refrigerant flows so as to meet the second heat dissipation plate; a first channel wall arranged substantially parallel to the first heat dissipation plate so as to divide the first channel; a second channel wall arranged substantially parallel to the second heat dissipation plate so as to divide the second channel; a first refrigerant outlet provided on the first channel wall in a position corresponding to the power semiconductor device; a second refrigerant outlet provided on the second channel wall in a position corresponding to the power semiconductor device; first grooves formed on at least one of the first heat dissipation plate and the second heat dissipation plate so as to be arranged radially around at least one of the first refrigerant outlet and the second refrigerant outlet; and second grooves arranged in parallel to one another around the first grooves that are arranged radially.
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Specification