Curved stator module and magnetically driven transport system

Abstract

This application discloses a curved stator module and a magnetically driven transport system, wherein the curved stator module includes a curved stator, the curved stator includes a curved stator body and a curved armature winding provided on the curved stator body, the curved armature winding includes a relief portion and an arc-shaped curved portion, the relief portion includes a first end, a second end, a first inner surface and a first outer surface located between the first end and the second end, the arc-shaped curved portion includes a second inner surface and a second outer surface, the first end is used to connect to a straight armature winding of a straight stator module, the first inner surface is connected to the second inner surface, the second end is used to connect to the arc-shaped curved portion, and the first inner surface extends inclined toward the direction approaching the second end from the first end and toward the first outer surface. This ensures that a large gap is always maintained between the third groove wall of the movable element and the first outer surface of the curved armature winding, preventing damage to the curved armature winding caused by the third groove wall colliding with the first inner surface.

Claims

1. A curved stator module, used to drive a movable element to move along the extending direction of the curved stator module, and including a curved stator, The aforementioned curved stator is, It includes a curved stator body and a curved armature winding, The curved armature winding is provided on the curved stator body and includes a relief portion and an arc-shaped curved portion, the relief portion and the arc-shaped curved portion are arranged along the extending direction of the curved armature winding, the relief portion includes a first end, a second end, a first inner surface and a first outer surface located between the first end and the second end, the arc-shaped curved portion includes a second inner surface and a second outer surface, the first end is used to connect to the straight armature winding of the straight stator module, the first inner surface is connected to the second inner surface, and the second end is used to connect to the arc-shaped curved portion. A curved stator module characterized in that the arc-shaped contour of the second inner surface has a first center, and the first inner surface extends inclined toward the first outer surface from the first end toward the second end and toward the first outer surface, such that the distance between the first inner surface and the first center along the width direction of the first end gradually increases.

2. The curved stator module according to claim 1, characterized in that the first inner surface is an inclined plane.

3. The curved stator module according to claim 1, characterized in that the first inner surface is a concave curved surface.

4. The curved stator module according to claim 1, characterized in that the width of the relief portion gradually decreases in the direction from the first end to the second end.

5. The curved stator module according to claim 1, characterized in that the width of the first end is equal to the width of the straight armature winding joined to the relief portion, and / or the width of the arc-shaped curved portion is the same as the width of the second end.

6. The curved stator module according to claim 1, characterized in that two relief portions are provided, and the two relief portions are each located at both ends of the arc-shaped curved portion.

7. The curved stator module according to claim 1, characterized in that the arc-shaped contour of the second outer surface has a second concentricity, and the first concentricity overlaps with the second concentricity.

8. The curved stator includes a plurality of coil windings arranged along the extending direction of the curved armature winding, The curved stator module according to claim 1, characterized in that both the relief portion and the arc-shaped curved portion have the coil windings.

9. The curved stator module according to claim 8, characterized in that each of the coil windings includes a U-phase coil, a V-phase coil, and a W-phase coil arranged in order along the extending direction of the curved armature winding.

10. The curved stator module according to claim 9, characterized in that the relief portion and the arc-shaped curved portion are integrally molded, the curved stator includes a circuit board, and all of the coil windings are provided on one of the circuit boards.

11. The curved stator module according to claim 9, wherein the curved stator includes a first circuit board located in the relief portion and a second circuit board located in the arc-shaped curved portion, the coil winding of the relief portion is located on the first circuit board, and the coil winding of the arc-shaped curved portion is located on the second circuit board.

12. Of the multiple coil windings, the first coil winding and the second coil winding are provided adjacent to each other, the first coil winding includes a first U-phase coil, a first V-phase coil, and a first W-phase coil, and the second coil winding includes a second U-phase coil, a second V-phase coil, and a second W-phase coil. The curved stator module according to claim 8, characterized in that the first U-phase coil, the first W-phase coil, and the second V-phase coil are located on the same layer and arranged in order, and the first V-phase coil, the second U-phase coil, and the second W-phase coil are located on the same layer and arranged in order.

13. The curved armature winding has a coupling surface provided opposite to the permanent magnet of the movable element, and the coupling surface is located between the inner surface of the curved armature winding and the outer surface of the curved armature winding and is provided horizontally, as described in claim 1.

14. The curved armature winding has a coupling end that is coupled to the permanent magnet of the movable element and a connecting end that is connected to the curved stator body, the coupling end has a first inner surface and a second inner surface, and the connecting end has a first outer surface and a second outer surface, characterized in that the curved stator module according to claim 1.

15. The aforementioned curved stator module is, The curved stator module according to claim 1, wherein a curved guide rail is provided on the side surface of the curved armature winding and connected to the curved stator body, the extending direction being the same as the extending direction of the curved armature winding, and the module includes a curved guide rail for the rollers of the movable element to roll on.

16. The curved armature winding has a coupling surface provided opposite to the permanent magnet of the movable element, the coupling surface is located between the inner surface and the outer surface of the curved armature winding, the curved armature winding has a coupling end that is coupled to the permanent magnet of the movable element, and a connecting end that is connected to the curved stator body, the coupling end has a first inner surface and a second inner surface, and the connecting end has a first outer surface and a second outer surface. The coupling surface and the curved guide rail are provided horizontally, and the curved guide rail is located below the curved armature winding, or The coupling surface and the curved guide rail are provided horizontally, and the curved guide rail is located above or below the curved stator body, or The curved stator module according to claim 15, characterized in that the coupling surface and the curved guide rail are provided vertically, and the curved guide rail is located at the connecting end.

17. The aforementioned curved guide rail is, It includes an arc-shaped conveying segment having an arc-shaped inner surface and an arc-shaped outer surface, facing the position of the curved portion of the arc-shaped curve, The curved stator module according to claim 15, characterized in that the arc-shaped contour of the second inner surface has a first center, the arc-shaped contour of the second outer surface has a second center, the arc-shaped contour of the arc-shaped inner surface has a third center, the arc-shaped contour of the arc-shaped outer surface has a fourth center, and the first, second, third, and fourth centers all overlap.

18. The curved guide rail includes an arc-shaped transport segment, and the portions of the curved armature winding corresponding to the second inner surface and the second outer surface face the position of the arc-shaped transport segment, and the arc-shaped transport segment has an arc-shaped inner surface and an arc-shaped outer surface. The curved stator module according to claim 15, characterized in that the arc-shaped contour of the second inner surface has a first center, the arc-shaped contour of the second outer surface has a second center, the arc-shaped contour of the arc-shaped inner surface has a fifth center, the arc-shaped outer surface includes a first outer arc surface, a second outer arc surface, and a third outer arc surface which are arranged in order along the extending direction of the curved guide rail and connected in order, the arc-shaped contour of the first outer arc surface has a sixth center, the arc-shaped contour of the second outer arc surface has a seventh center, the arc-shaped contour of the third outer arc surface has an eighth center, the fifth center and the seventh center both overlap with the first center and the second center, and the sixth center and the eighth center both are offset from the first center.

19. The curved stator module according to claim 18, characterized in that the first outer arc surface is tangent to the second outer arc surface, and / or the third outer arc surface is tangent to the second outer arc surface.

20. The curved guide rail includes, however, a first straight segment and a second straight segment, the first straight segment, the arc-shaped transport segment and the second straight segment being arranged and connected in order along the extending direction of the curved guide rail, the first straight segment and / or the second straight segment facing the relief portion position, and the first straight segment and the second straight segment being used to connect to the straight guide rail of the straight stator module, respectively. The inner surface of the first straight segment is a plane tangent to the arc-shaped inner surface, and / or the inner surface of the second straight segment is a plane tangent to the arc-shaped inner surface, and / or The curved stator module according to claim 18, characterized in that the outer surface of the first straight segment is a plane tangent to the first outer arc surface, and / or the outer surface of the second straight segment is a plane tangent to the third outer arc surface.

21. The movable element includes a first roller, a second roller, a third roller, and a fourth roller, wherein the first and second rollers are provided on the outside of the curved guide rail and are spaced apart along the extending direction of the curved guide rail, and the third and fourth rollers are provided on the inside of the curved guide rail and are spaced apart along the extending direction of the curved guide rail. The curved stator module according to claim 20, characterized in that the distance between the first roller and the second roller is smaller than the distance between the third roller and the fourth roller.

22. The curved stator module according to claim 21, characterized in that the inner surface of the first straight segment and the first outer arc surface have a first contact point, and when the first contact point and the axis of the fourth roller are in the same plane, the contact position between the third roller and the curved guide rail is the connection point between the first straight segment and the straight guide rail.

23. The curved stator module according to claim 21, characterized in that when both the first roller and the second roller are in contact with the second outer arc surface, the outer contours of both the first roller and the second roller are in contact with the second outer arc surface, and the outer contours of both the third roller and the fourth roller are in contact with the arc-shaped inner surface.

24. The curved stator module according to claim 21, characterized in that the inner surface of the second straight segment and the third outer arc surface have a second contact point, and when the second contact point and the axis of the third roller are in the same plane, the contact position between the fourth roller and the curved guide rail is the connection point between the second straight segment and the straight guide rail.

25. The curved stator module according to claim 21, characterized in that the distance between the inner surface of the first straight segment and the outer surface of the first straight segment, and the distance between the inner surface of the second straight segment and the outer surface of the second straight segment are both L1, the distance between the arc-shaped inner surface and the second outer arc surface is L2, and L1 > L2 or L1 = L2.

26. A magnetically driven transport system comprising a movable element, a linear stator module, and a curved stator module according to any one of claims 1 to 14, wherein the curved stator module is joined to the linear stator module to form a transport device, and the transport device is used to drive the movable element to move along the extending direction of the transport device. A magnetically driven transport system characterized in that the linear stator module includes a linear stator, the linear stator includes a linear stator body joined to the curved stator body, and a linear armature winding joined to the relief portion of the curved armature winding.

27. The movable element includes a base, the base has a storage groove, the storage groove extends along a first predetermined direction and penetrates both ends of the base, and extends along a second predetermined direction, forming a groove opening on one side of the base for the straight armature winding and the curved armature winding to enter and exit the storage groove, the second predetermined direction is perpendicular to the first predetermined direction, the storage groove includes a first groove wall, a second groove wall and a third groove wall, the third groove wall is provided opposite the groove opening, the first groove wall is provided opposite the second groove wall and is located on both sides of the third groove wall, The magnetically driven transport system according to claim 26, characterized in that permanent magnets are provided in the first groove wall and / or the second groove wall, and when the movable element is located in the straight stator module, the permanent magnets are provided opposite to the straight armature winding, and when the movable element is located in the curved stator module, the permanent magnets are provided opposite to the curved armature winding.

28. The magnetically driven transport system according to claim 27, characterized in that when the movable element is positioned in the linear stator module, there is a gap between the third groove wall and the linear armature winding.

29. The magnetically driven transport system according to claim 26, characterized in that the movable element is provided with a first sensor, and both the linear stator module and the curved stator module are provided with a second sensor, the second sensor being used in cooperation with the first sensor to detect the position of the movable element.

30. A magnetically driven transport system comprising a movable element, a linear stator module, and a curved stator module according to any one of claims 15 to 25, wherein the curved stator module is joined to the linear stator module to form a transport device, and the transport device is used to drive the movable element to move along the extending direction of the transport device. A magnetically driven transport system characterized in that the linear stator module includes a linear stator and a linear guide rail, the linear stator includes a linear stator body and a linear armature winding, the linear stator body is joined to the curved stator body, joined to the relief portions of the linear armature winding and the curved armature winding, and joined to the linear guide rail and the curved guide rail.

31. The movable element includes a base, the base has a storage groove, the storage groove extends along a first predetermined direction and penetrates both ends of the base, and extends along a second predetermined direction, forming a groove opening on one side of the base for the straight armature winding and the curved armature winding to enter and exit the storage groove, the second predetermined direction is perpendicular to the first predetermined direction, the storage groove includes a first groove wall, a second groove wall and a third groove wall, the third groove wall is provided opposite the groove opening, the first groove wall is provided opposite the second groove wall and is located on both sides of the third groove wall, The magnetically driven conveying system according to claim 30, characterized in that permanent magnets are provided in the first groove wall and / or the second groove wall, and when the movable element is located in the straight stator module, the permanent magnets are provided opposite to the straight armature winding, and when the movable element is located in the curved stator module, the permanent magnets are provided opposite to the curved armature winding.

32. The magnetically driven transport system according to claim 31, characterized in that when the movable element is positioned in the linear stator module, there is a gap between the third groove wall and the linear armature winding.

33. The magnetically driven transport system according to claim 30, characterized in that the movable element is provided with a first sensor, and both the linear stator module and the curved stator module are provided with a second sensor, the second sensor being used in cooperation with the first sensor to detect the position of the movable element.

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