An illustrative example motor control device includes a printed circuit board including electronics for motor control. At least one connector is associated with the electronics. The connector is configured for communicating at least one of control signals or power to a motor. A housing includes a fi
An illustrative example motor control device includes a printed circuit board including electronics for motor control. At least one connector is associated with the electronics. The connector is configured for communicating at least one of control signals or power to a motor. A housing includes a first portion configured to receive the printed circuit board and cover over a first side of the printed circuit board. A second portion of the housing is configured to provide access to the at least one connector from outside of the housing. The second portion of the housing inhibits exposure of the printed circuit board to outside contaminants. A third portion of the housing is configured to cover over a second side of the printed circuit board. At least one heat transfer element on at least one of the housing or the printed circuit board facilitates heat transfer from the printed circuit board to the housing.
대표청구항▼
1. A motor control device, comprising: a printed circuit board including electronics for motor control and at least one electrically conductive trace;at least one connector associated with the electronics, the at least one connector for communicating at least one of control signals or power to a mot
1. A motor control device, comprising: a printed circuit board including electronics for motor control and at least one electrically conductive trace;at least one connector associated with the electronics, the at least one connector for communicating at least one of control signals or power to a motor;a housing including a first portion to receive the printed circuit board and to cover over a first side of the printed circuit board, a second portion to provide access to the at least one connector from outside the housing and inhibit exposure of the printed circuit board to contaminants, and a third portion to cover over a second side of the printed circuit board, the third portion having at least one contact feature to maintain an interference fit with the printed circuit board that establishes direct physical contact between the third portion and the at least one electrically conductive trace; andat least one heat transfer element on at least one of the third portion or the printed circuit board that facilitates heat transfer from the printed circuit board to the housing. 2. The device of claim 1, wherein the second portion includes a shroud around an opening;the at least one connector is at least partially exposed within the opening; andthe second portion includes a first seal about the at least one connector within the opening. 3. The device of claim 2, wherein the at least one connector is supported on a carrier;the carrier is received near a surface in the housing near the opening; andan interface between the carrier and the surface is sealed. 4. The device of claim 3, comprising a second seal inserted at least partially into the opening such that the second seal establishes a sealed interface between the second portion and the at least one connector. 5. The device of claim 4, comprising a third seal between the second side of the printed circuit board and the second portion of the housing. 6. The device of claim 5, wherein the first portion of the housing comprises a plurality of tabs that retain the third portion near the first portion; andthe tabs are situated on the first portion to urge the third portion into contact with the third seal. 7. The device of claim 1, wherein the first portion of the housing comprises a plurality of ramped step portions that retain the third portion near the first portion; andthe third portion of the housing comprising a plurality of tabs situated to mate with the ramped step portions of the first portion and hold the third portion in contact with the first portion. 8. The device of claim 1, wherein the at least one electrically conductive trace comprises a first thermally conductive trace on the printed circuit board. 9. The device of claim 8, wherein the first thermally conductive trace is supported on the first side of the printed circuit board; andthe at least one heat transfer element comprises a second thermally conductive trace supported on the second side of the printed circuit board and at least one thermally conductive material coupling the first and second thermally conductive traces. 10. The device of claim 9, wherein the third portion comprises a thermally conductive material; and the third portion is situated relative to the second thermally conductive trace to facilitate heat dissipation away from the printed circuit board through the third portion. 11. The device of claim 1, wherein the at least one heat transfer element comprises a compressible thermal interface material in contact with the third portion and the printed circuit board. 12. A motor control device, comprising: a printed circuit board including electronics for motor control;at least one connector associated with the electronics, the at least one connector for communicating at least one of control signals or power to a motor;a housing including a first portion to receive the printed circuit board and cover over a first side of the printed circuit board, a second portion to provide access to the at least one connector from outside the housing and inhibit exposure of the printed circuit board to contaminants, a third portion to cover over a second side of the printed circuit board;at least one heat transfer element on at least one of the housing or the printed circuit board that facilitates heat transfer from the printed circuit board to the housing; andwherein the third portion has a first surface received near the printed circuit board;the third portion has a second, contact surface protruding from the first surface;at least the second, contact surface is electrically conductive;the second, contact surface is received against a corresponding portion of the printed circuit board; andthe corresponding portion of the printed circuit board includes at least one electrically conductive member in contact with the second, contact surface. 13. The device of claim 12, wherein the printed circuit board includes at least one relief feature adjacent the corresponding portion of the printed circuit board; andthe at least one relief feature to allow the corresponding portion to move or flex relative to another portion of the printed circuit board. 14. The device of claim 13, wherein the printed circuit board comprises a substrate; andthe at least one relief feature comprises a gap between the substrate of the corresponding portion and an adjacent portion of the substrate, the gap allowing the corresponding portion of the substrate to move relative to the adjacent portion of the substrate. 15. The device of claim 13, wherein the at least one relief feature to accommodate an interference fit connection between the second, contact surface and the corresponding portion of the printed circuit board without inducing stress on another portion of the printed circuit board adjacent the corresponding portion. 16. The device of claim 12, wherein the entire third portion is electrically conductive. 17. The device of claim 1, wherein the first portion includes two mounting tabs to mount the housing on a vehicle component. 18. The device of claim 17, wherein the printed circuit board comprises a generally planar substrate;the first portion includes a generally planar panel that is aligned parallel with the substrate; andthe mounting tabs have mounting surfaces to be received against the vehicle component that is aligned at an angle greater than 10° relative to the generally planar panel. 19. The device of claim 18, wherein the mounting surfaces are generally perpendicular to the generally planar panel. 20. A motor control device, comprising: a printed circuit board including electronics for motor control;at least one connector associated with the electronics, the at least one connector for communicating at least one of control signals or power to a motor;a housing including a first portion to receive the printed circuit board and to cover over a first side of the printed circuit board, a second portion to provide access to the at least one connector from outside the housing and inhibit exposure of the printed circuit board to contaminants, and a third portion to cover over a second side of the printed circuit board; andat least one heat transfer element on at least one of the housing or the printed circuit board that facilitates heat transfer from the printed circuit board to the housing;wherein the first portion includes two mounting tabs to mount the housing on a vehicle component;wherein the printed circuit board comprises a generally planar substrate;the first portion including a generally planar panel that is aligned parallel with the substrate and the mounting tabs have mounting surfaces to be received against the vehicle component that is aligned at an angle greater than 10° relative to the generally planar panel; andwherein the mounting tabs have support braces that maintain a desired orientation of the mounting tabs relative to the first portion. 21. A motor control device, comprising: a printed circuit board including electronics for motor control;at least one connector associated with the electronics, the at least one connector for communicating at least one of control signals or power to a motor;a housing including a first portion to receive the printed circuit board and cover over a first side of the printed circuit board, a second portion to provide access to the at least one connector from outside the housing and inhibit exposure of the printed circuit board to contaminants, and a third portion to cover over a second side of the printed circuit board;at least one heat transfer element on at least one of the housing or the printed circuit board that facilitates heat transfer from the printed circuit board to the housing; andwherein the second portion comprises an opening to facilitate pressurizing the housing when the first and second portions are secured together to detect whether there are any leaks through the housing.
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이 특허에 인용된 특허 (7)
Weber Bernd,DEX ; Hofsaess Dietmar,DEX ; Butschkau Werner,DEX ; Dittrich Thomas,DEX ; Schiefer Peter,DEX, Arrangement including a substrate for power components and a heat sink, and a method for manufacturing the arrangement.
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