Power conversion apparatus
First Claim
1. A power conversion apparatus comprising:
- electronic components that form at least part of a power conversion circuit;
a cooler for cooling at least part of the electronic components;
a case that surrounds and encloses the electronic components and the cooler; and
a frame that is attached to an interior of the casewhereinthe at least part of the electronic components and the cooler are fixed to and integrated with the frame to form an internal unit,the frame is formed so as to surround the at least part of the electronic components that form at least part of the internal unit, and includes at least a front wall section, and a pair of side wall sections that extend backward from both ends of the front wall section,the cooler includes a coolant introduction tube introducing coolant into the cooler and a coolant discharge tube discharging the coolant from the cooler, the coolant introduction tube and the coolant discharge tube projecting outward from the frame while being supported by the front wall section, andthe thickness of the front wall section is larger than the thickness of the side wall section.
1 Assignment
0 Petitions
Accused Products
Abstract
In a power conversion apparatus, electronic components and a cooler are integrated in a frame as an internal unit. The internal unit is fixed within a case through the frame. The frame has such a shape that the electronic components are surrounded by the frame, and includes a first wall section, and second and third wall sections extending from both sides of the first wall section. The cooler includes a coolant introduction tube and a coolant discharge tube. The coolant introduction tube and the coolant discharge tube project outward from to the frame. The first to third wall sections include a support wall section supporting at least one of the coolant introduction tube and the coolant discharge tube, and a frame wall section not supporting the coolant introduction tube and the coolant discharge tube. The thickness of the support wall section is larger than the thickness of the frame wall section.
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Citations
23 Claims
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1. A power conversion apparatus comprising:
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electronic components that form at least part of a power conversion circuit; a cooler for cooling at least part of the electronic components; a case that surrounds and encloses the electronic components and the cooler; and a frame that is attached to an interior of the case wherein the at least part of the electronic components and the cooler are fixed to and integrated with the frame to form an internal unit, the frame is formed so as to surround the at least part of the electronic components that form at least part of the internal unit, and includes at least a front wall section, and a pair of side wall sections that extend backward from both ends of the front wall section, the cooler includes a coolant introduction tube introducing coolant into the cooler and a coolant discharge tube discharging the coolant from the cooler, the coolant introduction tube and the coolant discharge tube projecting outward from the frame while being supported by the front wall section, and the thickness of the front wall section is larger than the thickness of the side wall section. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A power conversion apparatus comprising:
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electronic components that form at least part of a power conversion circuit; a cooler for cooling at least part of the electronic components; and a case housing the electronic components and the cooler; wherein the at least part of the electronic components and the cooler are fixed to and integrated in a frame to form one internal unit, the internal unit is fixed within the case through the frame, the frame is formed so as to surround the at least part of the electronic components that form at least part of the internal unit, and includes at least a front wall section, and a pair of side wall sections that extend backward from both ends of the front wall section, the cooler includes a coolant introduction tube introducing coolant into the cooler and a coolant discharge tube discharging the coolant from the cooler, the coolant introduction tube and the coolant discharge tube projecting outward from the frame while being supported by the front wall section, the thickness of the front wall section is larger than the thickness of the side wall section, and the front wall section is provided with a pair of tube concave portions in which the coolant introduction tube and the coolant discharge tube are respectively disposed. - View Dependent Claims (16, 17)
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18. A power conversion apparatus comprising:
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electronic components that form at least part of a power conversion circuit; a cooler for cooling at least part of the electronic components; and a case housing the electronic components and the cooler; wherein the at least part of the electronic components and the cooler are fixed to and integrated in a frame to form one internal unit, the internal unit is fixed within the case through the frame, the frame is formed so as to surround the at least part of the electronic components that form at least part of the internal unit, and includes at least a front wall section, and a pair of side wall sections that extend backward from both ends of the front wall section, the cooler includes a coolant introduction tube introducing coolant into the cooler and a coolant discharge tube discharging the coolant from the cooler, the coolant introduction tube and the coolant discharge tube projecting outward from the frame while being supported by the front wall section, the thickness of the front wall section is larger than the thickness of the side wall section, the coolant introduction tube and the coolant discharge tube are held by clamping members with respect to the front wall section, and the front wall section includes threaded holes, into which fixing screws for fixing the clamping members are screwed, and engaged portions in which engaging portions for stopping turn of the clamping members are engaged.
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19. A power conversion apparatus comprising:
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electronic components that form at least part of a power conversion circuit; a cooler for cooling at least part of the electronic components; and a case housing the electronic components and the cooler; wherein the at least part of the electronic components and the cooler are fixed to and integrated in a frame to form one internal unit, the internal unit is fixed within the case through the frame, the frame is formed so as to surround the at least part of the electronic components that form at least part of the internal unit, and includes at least a front wall section, and a pair of side wall sections that extend backward from both ends of the front wall section, the cooler includes a coolant introduction tube introducing coolant into the cooler and a coolant discharge tube discharging the coolant from the cooler, the coolant introduction tube and the coolant discharge tube projecting outward from the frame while being supported by the front wall section, the thickness of the front wall section is larger than the thickness of the side wall section, the frame includes a rear wall section which joins the pair of side wall sections at rear ends thereof, and surrounds the at least part of the electronic components configuring the internal unit from four sides, the internal unit includes semiconductor modules, which incorporate switching elements, as the electronic components, the cooler includes cooling tubes each having therein a coolant passage, the internal unit incorporates a stacked body in which the cooling tubes and the semiconductor modules are stacked alternately, the internal unit includes a pressure member pressing the stacked body in the stacking direction, and the pressure member is interposed between the rear wall section and a rear end in the stacked direction of the stacked body, and a front end in the stacked direction of the stacked body is supported by the front wall section. - View Dependent Claims (20, 21, 22)
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23. A power conversion apparatus comprising:
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electronic components that form at least part of a power conversion circuit; a cooler for cooling at least part of the electronic components; and a case housing the electronic components and the cooler; wherein the at least part of the electronic components and the cooler are fixed to and integrated in a frame to form one internal unit, the internal unit is fixed within the case through the frame, the frame is formed so as to surround the at least part of the electronic components that form at least part of the internal unit, and includes at least a front wall section, and a pair of side wall sections that extend backward from both ends of the front wall section, the cooler includes a coolant introduction tube introducing coolant into the cooler and a coolant discharge tube discharging the coolant from the cooler, the coolant introduction tube and the coolant discharge tube projecting outward from the frame while being supported by the front wall section, the thickness of the front wall section is larger than the thickness of the side wall section, at least part of the front wall section is formed by an H-shaped wall section having a substantially H-shaped cross section, the H-shaped wall section being configured with a pair of longitudinal plate sections perpendicular to the stacking direction, and a connecting section connecting the pair of longitudinal plate sections together at the center of the pair of longitudinal plate sections, and the H-shaped wall section is configured by partially providing ribs which are orthogonal to the longitudinal plate sections and the connecting section, between the pair of longitudinal plate sections and the connecting section.
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Specification