Single-phase busbar suitable for high-frequency signals and motor system use same

Abstract

A single-phase busbar suitable for high-frequency signals and motor system. The single-phase busbar includes multiple conductive layers and multiple insulative layers extending from input end to output end. At least one insulative layer is provided between any two adjacent conductive layers. The conductive layers and the insulative layers are alternately stacked, and the conductive layers are electrically connected to each other at least at the input end and are electrically connected to each other at the output end.

Claims

1. A single-phase bus suitable for high-frequency signals, having an input terminal and an output terminal, the single-phase bus comprising: multiple conductor layers extending from the input terminal to the output terminal; and multiple insulating layers, wherein, At least one insulating layer is provided between any two adjacent conductor layers, the multilayer conductor layers and the multilayer insulating layers are stacked alternately, and the multilayer conductor layers are electrically connected to each other at least at the input end and electrically connected to each other at the output end.

2. The single-phase bus for high-frequency signals as described in claim 1 further includes an electrical connection portion disposed at the input terminal or the output terminal, and configured such that the multilayer conductor layers are electrically connected to each other through the electrical connection portion.

3. A single-phase bus for high-frequency signals as described in claim 2, wherein the electrical connection is disposed in the multilayer insulating layer at the input or output end.

4. A single-phase bus for high-frequency signals as described in claim 2, wherein the electrical connection portion is covered by the multilayer insulating layer and the multilayer conductor layer at the input or output end.

5. A single-phase bus suitable for high-frequency signals as described in claim 1, wherein the outermost layer of the single-phase bus is a conductor layer.

6. A single-phase bus suitable for high-frequency signals, having an input terminal and an output terminal, the single-phase bus comprising: multiple conductor layers extending from the input terminal to the output terminal; multiple insulating layers, wherein, At least one insulating layer is provided between any two adjacent conductor layers, and the multilayer conductor layers and the multilayer insulating layers are stacked alternately; and at least one opening is provided through the multilayer conductor layers and the multilayer insulating layers that are stacked alternately, and the extension direction of the opening is consistent with the stacking direction of the multilayer conductor layers and the multilayer insulating layers at the point where the opening is provided, and the stacking direction is not parallel to the extension direction from the input end to the output end.

7. The single-phase bus for high-frequency signals as described in claim 6 further includes an electrical connection portion disposed in the opening, and the electrical connection portion is configured such that the multilayer conductor layers are electrically connected to each other through the electrical connection portion.

8. A single-phase bus suitable for high-frequency signals as described in claim 6, wherein, The opening is a round hole.

9. A single-phase bus suitable for high-frequency signals as described in claim 6, wherein, The opening is a half-hole.

10. A single-phase bus suitable for high-frequency signals, having an input terminal and an output terminal, the single-phase bus comprising: multiple conductor layers extending from the input terminal to the output terminal; and multiple insulating layers, wherein, At least one insulating layer is provided between any two adjacent conductor layers, the multilayer conductor layers and the multilayer insulating layers are stacked alternately, and the multilayer conductor layers are at least suitable for electrical connection between the input terminal and the output terminal through external terminals.

11. A single-phase bus suitable for high-frequency signals as described in claim 10, wherein, At least one opening is provided at the input or output end of the single-phase busbar and the opening is configured to be locked with the external terminal.

12. A single-phase bus suitable for high-frequency signals as described in claim 10, wherein, The single-phase busbar is elongated in shape, and the stacking direction of the multilayer conductor layer and the multilayer insulating layer is not parallel to the extension direction from the input terminal to the output terminal.

13. The single-phase bus for high-frequency signals as described in claim 10 further includes at least one bend disposed between the input terminal and the output terminal.

14. A motor system comprising: an inverter including three output terminals for outputting three-phase power; a motor including three input terminals for receiving the three-phase power output from the inverter; and a bus unit electrically connected to the inverter and the motor, the bus unit including three single-phase buses, each single-phase bus having an input terminal and an output terminal, each single-phase bus including: multiple conductor layers extending from each input terminal to each output terminal; and multiple insulating layers, wherein... At least one insulating layer is provided between any two adjacent conductor layers. The multilayer conductor layers and the multilayer insulating layers are stacked alternately, and the multilayer conductor layers are electrically connected at least at the input end through the output terminal and at the output end through the input terminal.

15. The motor system of claim 14, wherein each of the single-phase busbars further includes at least one opening penetrating the staggered multilayer conductor layer and the multilayer insulating layer, and the extension direction of the opening is consistent with the stacking direction of the multilayer conductor layer and the multilayer insulating layer at the point where the opening is penetrating, and the stacking direction is not parallel to the extension direction from the input end to the output end.

16. The motor system as claimed in claim 15, wherein, The opening is a round hole.

17. The motor system as claimed in claim 15, wherein, The opening is a half-hole.

18. The motor system of claim 15, wherein each of the single-phase busbars further includes at least one locking fastener, the output terminal or the input terminal is provided with a through hole corresponding to the at least one opening, the locking fastener being adapted to pass through the at least one opening at the input terminal or the output terminal of the single-phase busbar and the through hole at the output terminal or the input terminal.

19. The motor system as claimed in claim 14, wherein the multilayer conductor layers are electrically connected to each other at least at the input end and electrically connected to each other at the output end.

20. The motor system as claimed in claim 14, wherein the outermost layer of the single-phase busbar is a conductor layer.

Images