Power transmission device and power supply

Abstract

This invention provides a power transmission device including a first power transmission element, wherein the first power transmission element includes a planar substrate, a first metal sheet, a second metal sheet, and an insulating sheet. The planar substrate includes a surface having a first side and a second side opposite to each other. A plurality of trenches are formed on the aforementioned surface, the trenches being spaced apart from each other and extending from the first side to the second side. The first metal sheet is accommodated in one of the aforementioned trenches and extends from the first side to the second side. The second metal sheet is accommodated in the other of the aforementioned trenches and extends from the first side to the second side. The insulating sheet is disposed on the surface of the planar substrate and shields the first and second metal sheets.

Claims

1. A power transmission device, comprising: A first power transmission element includes: a planar substrate having a surface and having a first side and a second side opposite to each other, wherein a plurality of trenches are formed on the surface, the trenches being spaced apart from each other and extending from the first side to the second side; a first metal sheet disposed in one of the trenches and extending from the first side to the second side; a second metal sheet disposed in the other of the trenches and extending from the first side to the second side; and an insulating sheet disposed on the surface of the planar substrate and shielding the first metal sheet and the second metal sheet.

2. The power transmission device as claimed in claim 1, wherein the first metal sheet and the second metal sheet each have an elongated segment, and the elongated segment of the first metal sheet is parallel to the elongated segment of the second metal sheet.

3. The power transmission device as claimed in claim 1, wherein the first metal sheet has a first connection end, and the first connection end protrudes from one side of the planar substrate, wherein the side from which the first connection end protrudes is different from the first side and the second side.

4. The power transmission device as claimed in claim 1, wherein the first power transmission element further comprises: A shielding element is disposed on the insulating sheet, and the insulating sheet is located between the shielding element and the planar substrate; And a fixing element that passes through the shielding element and the insulating sheet and is bonded to the planar substrate.

5. The power transmission device as claimed in claim 4, wherein the first power transmission element further includes an insulating tape that connects the planar substrate and shields the shielding element and the fixing element.

6. The power transmission device as claimed in claim 1, wherein the power transmission device further includes a second power transmission element and a coupling element, and the second power transmission element includes: Another planar substrate having a third side and a fourth side opposite to each other, and including a plurality of other trenches, wherein the other trenches are spaced apart from each other and extend from the third side to the fourth side; a third metal sheet being received in one of the other trenches and extending from the third side to the fourth side; a fourth metal sheet being received in the other of the other trenches and extending from the third side to the fourth side; a other insulating sheet being disposed on the other planar substrate and shielding the third metal sheet, wherein the second power transmission element is fixed to the first power transmission element by the bonding element.

7. The power transmission device as claimed in claim 6, wherein the first metal sheet and the fourth metal sheet each have an elongated segment, and in a normal direction perpendicular to the planar substrate, the elongated segment of the first metal sheet overlaps the elongated segment of the fourth metal sheet.

8. The power transmission device as claimed in claim 6, wherein the first metal sheet has a first connection end, the second metal sheet has a second connection end, the third metal sheet has a third connection end, the first connection end and the second connection end are located between the first side and the third side, and the third side is located between the second connection end and the third connection end.

9. The power transmission device as claimed in claim 8, wherein the distance between the second connection terminal and the third connection terminal is greater than the distance between the first connection terminal and the second connection terminal.

10. The power transmission device as claimed in claim 6, wherein the first power transmission element includes a fixing element passing through the insulating sheet and coupled to the planar substrate, the other planar substrate having a recess in which the fixing element is received, wherein the other grooves and the recess are respectively formed on opposite surfaces of the other planar substrate.

11. The power transmission device as claimed in claim 6, wherein the first power transmission element includes a shielding element disposed on the insulating sheet having a ground terminal, and the second power transmission element includes another shielding element disposed on the other insulating sheet having another ground terminal, wherein the ground terminal and the other ground terminal overlap in a normal direction perpendicular to the planar substrate.

12. The power transmission device as claimed in claim 6, wherein the surface faces the second power transmission element.

13. A power supply, comprising: One main electronic component; One electronic component; The system also includes a first power transmission element, wherein the first power transmission element is disposed between the main electronic element and the sub-electronic element in a normal direction of the main electronic element, and the first power transmission element comprises: a planar substrate including a surface having a first side and a second side opposite to each other, wherein a plurality of trenches are formed on the surface, the trenches being spaced apart from each other and extending from the first side to the second side; a first metal sheet housed in one of the trenches and extending from the first side to the second side, wherein the first metal sheet is electrically connected to the main electronic element on the first side and to the sub-electronic element on the second side; a second metal sheet housed in the other of the trenches and extending from the first side to the second side, wherein the second metal sheet is electrically connected to the main electronic element on the first side and to the sub-electronic element on the second side; and an insulating sheet disposed on the surface of the planar substrate and shielding the first metal sheet and the second metal sheet.

14. The power supply as claimed in claim 13, wherein the power supply further includes a second power transmission element and a connection element, and the second power transmission element includes: Another planar substrate having a third side and a fourth side opposite to each other, and including a plurality of other trenches, wherein the other trenches are spaced apart from each other and extend from the third side to the fourth side; a third metal sheet being received in one of the other trenches and extending from the third side to the fourth side; a fourth metal sheet being received in the other of the other trenches and extending from the third side to the fourth side; a other insulating sheet being disposed on the other planar substrate and shielding the third metal sheet, wherein the second power transmission element is fixed to the first power transmission element by the bonding element.

15. The power supply as claimed in claim 14, wherein at least a portion of the planar substrate overlaps with the other planar substrate in a normal direction perpendicular to the planar substrate, and at least a portion of the planar substrate does not overlap with the other planar substrate.

16. The power supply as claimed in claim 14, wherein the first metal sheet and the fourth metal sheet each have an elongated segment, and in a normal direction perpendicular to the planar substrate, the elongated segment of the first metal sheet overlaps the elongated segment of the fourth metal sheet.

17. The power supply as claimed in claim 14, wherein the first metal plate has a first connection end, the second metal plate has a second connection end, the third metal plate has a third connection end, the first connection end and the second connection end are located between the first side and the third side, and the third side is located between the second connection end and the third connection end.

18. The power supply as claimed in claim 17, wherein the distance between the second connection terminal and the third connection terminal is greater than the distance between the first connection terminal and the second connection terminal.

19. The power supply as claimed in claim 17, wherein the main electronic component has a plurality of quick-connect terminals, and the quick-connect terminals are detachably connected to the first connection end of the first metal plate, the second connection end of the second metal plate, and the third connection end of the third metal plate.

20. The power supply as claimed in claim 14, wherein the first power transmission element includes a fixing element passing through the insulating sheet and coupled to the planar substrate, the other planar substrate having a recess in which the fixing element is received, wherein the other grooves and the recess are formed on opposite surfaces of the other planar substrate.

21. The power supply as claimed in claim 14, wherein the power supply includes a cuboid having a long side and a short side, and the first power transmission element has an elongated structure extending along the long side.

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