Rotor and magnetic drive conveying system

Abstract

The embodiment of the utility model provides a mover and a magnetic drive conveying system.The mover comprises a mover body, a first permanent magnet array and a second permanent magnet array, and the mover body is provided with a mounting groove; the first permanent magnet array and the second permanent magnet array are arranged in the mounting groove, the second permanent magnet array is arranged around the first permanent magnet array, and for the first permanent magnet array and the second permanent magnet array which are adjacent, the polarization direction of the first permanent magnet array is opposite to the polarization direction of the second permanent magnet array. In the embodiment of the invention, the polarization directions of the second permanent magnet array are the same, the polarization directions of the permanent magnets of the second permanent magnet array do not need to be distinguished in the installation process, and the second permanent magnet array surrounds the first permanent magnet array and is at least partially opposite to the polarization direction of the first permanent magnet array. In the installation process, the polarity of the second permanent magnet array can be rapidly judged, so that installation of the second permanent magnet array and the first permanent magnet array can be rapidly and conveniently achieved, and the installation efficiency of the permanent magnet arrays on the rotor is effectively improved.

Description

Technical Field

[0001] The present application relates to the field of magnetic drive conveying technology, and in particular to a mover and a magnetic drive conveying system. Background Art

[0002] The magnetically driven conveying system consists of a conveyor line consisting of multiple stators and a mover that moves along the line. The stators are equipped with coils, and the movers are equipped with permanent magnet arrays. By periodically energizing the coils in the conveyor line's stators, a traveling wave magnetic field is generated that acts on the permanent magnet array of the mover, thereby achieving levitation and propulsion of the mover.

[0003] In order to enable the mover to move in more than two directions, it is necessary to set multiple permanent magnet arrays on the mover. In the related art, the arrangement of multiple permanent magnet arrays on the mover is relatively complicated and the installation efficiency is low. Utility Model Content

[0004] The present application provides a mover and a magnetic drive conveying system, which can effectively improve the installation efficiency of multiple permanent magnet arrays on the mover.

[0005] In a first aspect, the present application provides a mover, comprising:

[0006] The mover body is provided with a mounting groove;

[0007] The first permanent magnet array and the second permanent magnet array are both arranged in the installation groove, and the second permanent magnet array is arranged around the first permanent magnet array, wherein, for the adjacent first permanent magnet array and second permanent magnet array, the polarization direction of the first permanent magnet array is opposite to the polarization direction of the second permanent magnet array.

[0008] In the present application, the polarization direction of the second permanent magnet array is the same, and there is no need to distinguish the polarization direction of the permanent magnets of the second permanent magnet array during the installation process. The second permanent magnet array surrounds the first permanent magnet array and is at least partially opposite to the polarization direction of the first permanent magnet array. The polarity of the second permanent magnet array can be quickly determined during the installation process, so the second permanent magnet array and the first permanent magnet array can be installed quickly and conveniently, effectively improving the installation efficiency of the permanent magnet array on the mover.

[0009] In combination with the first aspect, in some possible implementations, the first permanent magnet array is located at the geometric center of the mover body.

[0010] In combination with the first aspect and the above implementation manner, in some possible implementation manners, the first permanent magnet array includes at least one first permanent magnet, the cross-section of the first permanent magnet is a square, and the side length of the first permanent magnet is greater than or equal to 0.9 unit lengths and less than or equal to 1 unit length;

[0011] The second permanent magnet array includes a plurality of second permanent magnets, the cross section of the second permanent magnets is rectangular, the long side of each second permanent magnet is 2 unit lengths, and the wide side is 1 unit length;

[0012] Wherein, the outer contours of the cross sections of the first permanent magnet array and the second permanent magnet array are square.

[0013] In combination with the first aspect and the above implementation manner, in some possible implementation manners, the second permanent magnet array includes multiple layers of second sub-arrays arranged around the first permanent magnet array;

[0014] There are two adjacent layers of the second sub-arrays with opposite polarization directions, and the polarization direction of the second sub-array adjacent to the first permanent magnet array is opposite to the polarization direction of the first permanent magnet array.

[0015] In combination with the first aspect and the above implementations, in some possible implementations, the present invention further includes:

[0016] a third permanent magnet array, comprising a plurality of third permanent magnets arranged around the second permanent magnet, the third permanent magnets being arranged on a side of the second permanent magnet away from the first permanent magnet; wherein, for adjacent third permanent magnets and second permanent magnets, a polarization direction of the third permanent magnets is opposite to a polarization direction of the second permanent magnet;

[0017] Among the plurality of third permanent magnets, a portion of the third permanent magnets are arranged along a first conveying direction, and another portion of the third permanent magnets are arranged along a second conveying direction, and the first conveying direction and the second conveying direction are set at an angle.

[0018] In combination with the first aspect and the foregoing implementations, in certain possible implementations, the plurality of third permanent magnets form a plurality of third sub-arrays, the polarization directions of two adjacent third sub-arrays are opposite, and the polarization direction of the third sub-array adjacent to the second permanent magnet is opposite to the polarization direction of the second permanent magnet;

[0019] The plurality of third permanent magnets of the third sub-array are respectively arranged corresponding to a plurality of sides of the second permanent magnet array.

[0020] In combination with the first aspect and the above implementations, in some possible implementations, the present invention further includes:

[0021] A fourth permanent magnet array is arranged on a side of the third permanent magnet array away from the first permanent magnet array; the fourth permanent magnet array includes a plurality of fourth permanent magnets, and the polarization direction of the fourth permanent magnets is opposite to that of the third permanent magnets of the adjacent third sub-array.

[0022] In combination with the first aspect and the above implementation manner, in some possible implementation manners, a gap is left between at least one of the first permanent magnet array and the second permanent magnet array, the second permanent magnet array and the third permanent magnet array, and the third permanent magnet array and the fourth permanent magnet array;

[0023] The mover also includes:

[0024] A magnetic steel sheet, the thickness of which is adapted to the gap, and the magnetic steel sheet is arranged in the gap.

[0025] In combination with the first aspect and the above-mentioned implementation, in some possible implementations, the value of 1 unit length is one of 16mm, 18mm, 20mm, 24mm, 26mm, 28mm, 30mm, 32mm, 34mm, 36mm, and 40mm.

[0026] In a second aspect, the present application further provides a magnetic drive conveying system, comprising:

[0027] The mover as described in the first aspect above;

[0028] The stator is provided with a coil assembly, and the coil assembly is used to couple with the permanent magnet array to drive the mover to move. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Various other advantages and benefits will become apparent to those skilled in the art upon reading the detailed description of the embodiments below. The accompanying drawings are for illustration purposes only and are not to be considered as limiting the present application. The same reference numerals are used throughout the drawings to denote the same components. In the drawings:

[0030] Figure 1 This is a schematic structural diagram of a mover provided in an embodiment of the present application;

[0031] Figure 2 yes Figure 1 Schematic diagram of the local structure of the permanent magnet array in the mover;

[0032] Figure 3 This is a structural diagram of a permanent magnet array in a mover provided in an embodiment of the present application;

[0033] Figure 4 This is a schematic structural diagram of another permanent magnet array in the mover provided in an embodiment of the present application;

[0034] Figure 5 yes Figure 1 Top view of the permanent magnet array in the mover.

[0035] The description of the reference numerals in the figures is as follows:

[0036] 100, mover;

[0037] 110. mover body; 111. reference plane;

[0038] 120. Permanent magnet array;

[0039] 121. First permanent magnet array; 1210. First permanent magnet;

[0040] 122, second permanent magnet array; 1220, second permanent magnet; 1221, second sub-array;

[0041] 123, third permanent magnet array; 1230, third permanent magnet; 1231, third sub-array;

[0042] 124. Fourth permanent magnet array; 1240. Fourth permanent magnet;

[0043] 130. Magnetic steel sheet;

[0044] 140. Rolling parts;

[0045] X, first conveying direction; Y, second conveying direction. DETAILED DESCRIPTION

[0046] The following embodiments of the technical solution of the present application will be described in detail with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present application and are therefore only examples and are not intended to limit the scope of protection of the present application.

[0047] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned figure descriptions are intended to cover non-exclusive inclusions.

[0048] References herein to "embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0049] In the description of the embodiments of the present application, the technical terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0050] In the description of the embodiments of the present application, unless otherwise expressly specified or limited, technical terms such as "installed," "connected," "connected," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integration; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; internal connections between two components or interactions between two components. Those skilled in the art can understand the specific meanings of the above terms in the embodiments of the present application based on specific circumstances.

[0051] In the description of the embodiments of the present application, the technical terms "first" and "second" are used only to distinguish different objects and should not be understood as indicating or implying relative importance or implicitly indicating the quantity, specific order, or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the term "multiple" refers to more than two (including two), similarly, "multiple groups" refers to more than two (including two), and "multiple pieces" refers to more than two (including two).

[0052] In the description of the embodiments of this application, the term "and / or" is simply a description of the association relationship between associated objects, indicating that three relationships can exist. For example, A and / or B can represent the following three situations: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " in this document generally indicates that the associated objects are in an "or" relationship.

[0053] The magnetically driven conveying system consists of a conveyor line consisting of multiple stators and a mover that moves along the line. The stators are equipped with coils, and the movers are equipped with permanent magnet arrays. By periodically energizing the coils in the conveyor line's stators, a traveling wave magnetic field is generated that acts on the permanent magnet array of the mover, thereby achieving levitation and propulsion of the mover.

[0054] To enable the mover to move in more than two directions, multiple permanent magnet arrays need to be installed on the mover. In related technologies, the installation of multiple permanent magnet arrays on the mover is relatively complex. Adjacent magnets in the permanent magnet array are installed with alternating north and south poles. During installation, the polarity of the magnets must be constantly determined to avoid installation errors. Therefore, each installation requires determining the polarity of the previously installed magnet, resulting in low installation efficiency.

[0055] In order to solve the above technical problems, the present invention provides a mover and a magnetic drive conveying system. The mover and the magnetic drive conveying system of the present invention are described in detail below with reference to the accompanying drawings.

[0056] See also Figure 1 An embodiment of the present application provides a magnetic drive conveying system, which includes a mover 100 and a stator (not shown in the figure). The stator is provided with an armature winding, which is used to couple with a permanent magnet array 120 and can drive the mover 100 to move.

[0057] See also Figure 1 and Figure 2 The mover 100 may include a mover body 110 and a permanent magnet array 120. The mover body 110 has a mounting groove; the permanent magnet array 120 includes a first permanent magnet array 121 and a second permanent magnet array 122. The first permanent magnet array 121 and the second permanent magnet array 122 are both disposed in the mounting groove. For adjacent first permanent magnet arrays 121 and second permanent magnet arrays 122, the polarization direction of the first permanent magnet array 121 is opposite to the polarization direction of the second permanent magnet array 122.

[0058] In the solution provided in the embodiment of the present application, the polarization directions of the second permanent magnet array 122 are the same, and there is no need to distinguish the polarization directions of the second permanent magnet array 122 during the installation process. In addition, the second permanent magnet array 122 surrounds the first permanent magnet array 121 and has an opposite polarization direction to the first permanent magnet array 121. During the installation process, the polarity of the second permanent magnet array 122 can be quickly determined. Therefore, the installation of the second permanent magnet array 122 and the first permanent magnet array 121 can be achieved quickly and conveniently, effectively improving the installation efficiency of multiple permanent magnet arrays on the mover 100.

[0059] Furthermore, the second permanent magnet array 122 is arranged around the first permanent magnet array 121, and the second permanent magnet array 122 includes multiple permanent magnets. During the installation process, for the permanent magnets surrounded by the second permanent magnet array 122 on the same layer, after determining the polarity of the second permanent magnet array 122 of the current layer, if the second permanent magnet array 122 of this layer does not form a complete closed-loop structure, the polarity of the permanent magnet to be installed in the second permanent magnet array 122 of this layer is the same as the polarity of the permanent magnet previously installed in the second permanent magnet array 122 of this layer. That is, compared to the related art method of installing adjacent permanent magnet arrays with alternating N and S poles, the multiple permanent magnets in the second permanent magnet array 122 on the same layer in the embodiment of the present application have the same polarity. When installing the permanent magnets in the second permanent magnet array 122, technicians do not need to determine whether the polarity of the permanent magnet to be installed is opposite to that of the previous permanent magnet on the basis of determining the polarity of a single permanent magnet (or determining the polarity of the first permanent magnet array 121). They only need to select permanent magnets of the same polarity for installation until the second permanent magnet array 122 forms a complete closed-loop structure. This simplifies the installation process, improves installation efficiency, and increases installation accuracy.

[0060] In addition, in the embodiment of the present application, the permanent magnet array 120, comprising the first permanent magnet array 121 and the second permanent magnet array 122, has a larger layout area, which enables greater thrust when coupled with the stator coil assembly, thereby providing the mover 100 with a higher load capacity. Furthermore, the first permanent magnet array 121 and the second permanent magnet array 122 have opposite polarities. When the permanent magnet array 120 is coupled with the three-phase armature winding, the adjacent permanent magnet arrays 120 have opposite polarities. This allows the permanent magnet array 120 to continue to move under the action of current excitation, thereby ensuring the stable driving capability of the mover 100.

[0061] The mover body 110 serves as the installation base of the permanent magnet array 120. In some embodiments, the mover body 110 has a reference surface 111. Figure 1 , the first permanent magnet array 121 and the second permanent magnet array 122 can be arranged flush with the reference plane 111 to ensure that the magnetic field strength formed by the first permanent magnet array 121 and the second permanent magnet array 122 is relatively balanced. In addition, in addition to the reference plane 111, the mover body 110 can also have a conveying surface opposite to the reference plane 111. The reference plane 111 is usually opposite to the surface of the stator, and the conveying surface is located on the upper side of the reference plane 111, serving as the surface on the mover body 110 for placing materials. In this way, when the mover 100 moves relative to the stator, the material on the conveying surface can move relative to the stator to achieve material transportation.

[0062] In some embodiments, a mounting groove is provided on the reference surface 111 , and the permanent magnet array 120 is located in the mounting groove. The mounting groove can not only reduce the weight of the mover 100 , but also facilitate the positioning and fixing of the permanent magnet array 120 .

[0063] In other embodiments, the first permanent magnet array 121 is located at the geometric center of the reference plane 111. That is, because the second permanent magnet array 122 is arranged around the first permanent magnet array 121, the permanent magnet array 120 formed by the first permanent magnet array 121 and the second permanent magnet array 122 has a centrally symmetrical structure. In the embodiment of the present application, the first permanent magnet array 121 is arranged at the geometric center of the reference plane 111, so that the electromagnetic driving force exerted on the mover body 110 remains balanced, thereby improving the driving stability of the mover 100.

[0064] See also Figures 2 to 5 In some embodiments, the first permanent magnet array 121 includes at least one first permanent magnet 1210, the cross-section of the first permanent magnet 1210 is a square, and the side length of the first permanent magnet 1210 is greater than or equal to 0.9 unit lengths and less than or equal to 1 unit length; the second permanent magnet array 122 includes a plurality of second permanent magnets 1220, the cross-section of the second permanent magnet 1220 is a rectangle, and the long side length is 2 unit lengths and the wide side length is 1 unit length; wherein, the outer contours of the cross-sections of the first permanent magnet array 121 and the second permanent magnet array 122 are square.

[0065] In some embodiments, as Figure 2 and Figure 3 As shown, the number of first permanent magnets 1210 in the first permanent magnet array 121 can be one, and the cross-section of a single first permanent magnet 1210 is square, thereby making the cross-section of the first permanent magnet array 121 a square; in other embodiments, the number of first permanent magnets 1210 in the first permanent magnet array 121 can be multiple, and the polarity of the multiple first permanent magnets 1210 can be the same, thereby making the polarity of the second permanent magnets 1220 adjacent to the first permanent magnet 1210 the same, thereby facilitating the installation of the second permanent magnet array 122. When the number of first permanent magnets 1210 is multiple, the cross-section of the first permanent magnet array 121 formed by the multiple first permanent magnets 1210 can still be square. It is understandable that when the cross-section formed by the first permanent magnet array 121 is square, when the first permanent magnet array 121 is coupled with armature windings extending in different directions, the armature windings can have the same specifications, thereby facilitating the arrangement and manufacture of the armature windings and facilitating the arrangement of the magnetic drive conveying system.

[0066] In some embodiments, the value of one unit length can be one of 16 mm, 18 mm, 20 mm, 24 mm, 26 mm, 28 mm, 30 mm, 32 mm, 34 mm, 36 mm, and 40 mm. For example, when the value of one unit length is 30 mm, the side length of the first permanent magnet array 121 can be 27 mm, 28 mm, 29 mm, or 30 mm, and the long side length of the second permanent magnet array 122 can be 60 mm, and the wide side length can be 30 mm. Designers can select an appropriate unit length value according to actual needs to make the magnetic field arrangement of the permanent magnet array 120 more reasonable, and this embodiment of the present application does not specifically limit this.

[0067] Furthermore, since the outline of the first permanent magnet array 121 is different from the outline of the second permanent magnet array 122, in this embodiment, the second permanent magnet 1220 is set to a rectangular shape to better fit the first permanent magnet array 121, so that the permanent magnet array 120 formed by the first permanent magnet array 121 and the second permanent magnet array 122 has a smaller vacant area to improve magnetic utilization. It is understandable that in some embodiments, when the side length of the first permanent magnet 1210 is 1 unit length, the long side of the second permanent magnet 1220 is 2 unit lengths, and the short side is 1 unit length, then the circumference of the first permanent magnet 1210 can be closely surrounded by 4 second permanent magnets 1220, that is, the circumference of the first permanent magnet 1210 can be adjacent to the second permanent magnet 1220, thereby avoiding a large vacant area between the first permanent magnet array 121 and the second permanent magnet array 122, thereby improving space utilization.

[0068] Furthermore, the embodiments of the present application do not limit the cross-sectional profiles of the first permanent magnet array 121 and the second permanent magnet array 122 to square or rectangular. For example, when the mover body 110 is square in shape, the permanent magnet array 120 can be square; when the mover body 110 is rectangular in shape, the permanent magnet array 120 can be rectangular. By adapting the outer profiles of the first permanent magnet array 121 and the second permanent magnet array 122 to the mover body 110, this embodiment ensures balanced force when the mover 100 is driven, enabling more stable driving.

[0069] like Figures 1 to 5 As shown, the cross section of the first permanent magnet array 121 can be square, and the cross section of the second permanent magnet array 122 can be rectangular. Therefore, when the second permanent magnet array 122 is arranged around the first permanent magnet array 121, the second permanent magnet array 122 can be arranged along the first conveying direction X or the second conveying direction Y. Figure 3In the embodiment, the second permanent magnet arrays 122 on the upper and lower sides can be arranged along the first conveying direction X, while the second permanent magnet arrays 122 on the left and right sides can be arranged along the second conveying direction Y. The mover 100 can move along the first conveying direction X when excited by the current of the armature winding arranged along the first conveying direction X; the mover 100 can move along the second conveying direction Y when excited by the current of the armature winding arranged along the second conveying direction Y; and when the mover 100 is excited by the current of the armature winding arranged along the first conveying direction X and the second conveying direction Y simultaneously, the mover 100 can rotate and move in any direction of the X and Y directions.

[0070] Furthermore, as can be seen above, the first permanent magnet array 121 serves as a reference and is surrounded by multiple second permanent magnet arrays 122. To achieve miniaturization of the mover 100 and reduce the area of ​​the permanent magnet array 120 formed by the multiple permanent magnet arrays, the side length of the cross section of the first permanent magnet array 121 and the side length of the wide side of the cross section of the second permanent magnet array 122 can be set to be equal or approximately equal. In addition, to facilitate the installation and positioning of the permanent magnet array 120, in some embodiments, the first permanent magnet array 121 can be positioned at the geometric center of the reference plane 111.

[0071] For the mover body 110 provided with a mounting groove, the side length of the cross section of the first permanent magnet array 121 can be slightly smaller than the wide side length of the cross section of the second permanent magnet array 122. For example, the side length of the cross section of the first permanent magnet array 121 and the wide side length of the cross section of the second permanent magnet array 122 are 27 mm and 30 mm, respectively, and there is a gap of 3 mm between the two. In this way, the gap reserved between the first permanent magnet array 121 and the second permanent magnet array 122 can accommodate the wall of the mounting groove. Such an arrangement can improve space utilization and more stably install the first permanent magnet array 121 and the second permanent magnet array 122 on the mover body 110 provided with a mounting groove.

[0072] Reference Figure 3 and Figure 4 The second permanent magnet array 122 may include multiple layers of second sub-arrays 1221 surrounding the first permanent magnet array 121, wherein the polarization directions of two adjacent layers of second sub-arrays 1221 are opposite, and the polarization direction of the second sub-array 1221 adjacent to the first permanent magnet array 121 is opposite to the polarization direction of the first permanent magnet array 121.

[0073] It will be appreciated that in the embodiments of the present application, on the one hand, the second permanent magnet array 122 includes multiple layers of second sub-arrays 1221, thereby increasing the magnetic induction intensity of the second permanent magnet array 122, thereby enabling the mover 100 to obtain a greater driving force when coupled with the three-phase armature winding. On the other hand, the polarization directions of the second sub-arrays 1221 in adjacent layers are opposite, and the polarization direction of the second sub-array 1221 adjacent to the first permanent magnet array 121 is opposite to the polarization direction of the first permanent magnet array 121. That is, after determining the polarity of the first permanent magnet array 121, the polarization direction of the second sub-array 1221 in each layer of the second permanent magnet array 122 can be determined. For each layer of the second sub-array 1221, after determining the polarity of a single permanent magnet in the layer, the polarity of the second sub-array 1221 in the current layer can be determined. Technicians then select permanent magnets of the same polarity and place them in until the second sub-arrays 1221 in the current layer are arranged in a closed loop, thereby simplifying the installation method and improving installation efficiency and accuracy.

[0074] Furthermore, there are two adjacent layers of second sub-arrays 1221 with opposite polarization directions. On the one hand, in some embodiments, it refers to all second sub-arrays 1221, and the polarization directions of the second sub-arrays 1221 of all two adjacent layers are opposite. The alternating polarity of the second sub-arrays 1221 can more stably drive the mover 100 to move; on the other hand, in other embodiments, only some adjacent second sub-arrays 1221 may have opposite polarization directions, and some adjacent second sub-arrays 1221 may have the same polarization direction, thereby better allowing the mover 100 to stop in place.

[0075] See also Figure 5 In some embodiments, the mover 100 may further include a third permanent magnet array 123, and the third permanent magnet array 123 may include a plurality of third permanent magnets 1230 arranged around the second permanent magnet 1220, and the third permanent magnet 1230 is arranged on the side of the second permanent magnet 1220 away from the first permanent magnet 1210; wherein, for adjacent third permanent magnets 1230 and second permanent magnets 1220, the polarization direction of the third permanent magnet 1230 is opposite to the polarization direction of the second permanent magnet 1220; among the plurality of third permanent magnets 1230, a portion of the third permanent magnets 1230 is arranged along the first conveying direction X, and another portion of the third permanent magnets 1230 is arranged along the second conveying direction Y, and the first conveying direction X and the second conveying direction Y are arranged at an angle.

[0076] The third permanent magnet array 123 can be arranged along the first conveying direction X or the second conveying direction Y. Figure 5As shown, the third permanent magnet arrays 123 on the upper and lower sides can be arranged along the first conveying direction X, that is, horizontally, and the third permanent magnet arrays 123 on the left and right sides can be arranged along the second conveying direction Y, that is, vertically. In this way, for the mover 100 moving in different directions, by setting the third permanent magnet array 123, the area of ​​the permanent magnet array 120 can be increased, the thrust received by the mover 100 can be increased, and the load of the mover 100 can be increased.

[0077] It can be understood that, on the one hand, the embodiment of the present application can increase the magnetic field strength of the mover 100 by additionally providing a third permanent magnet array 123, that is, by additionally providing permanent magnets, thereby increasing the thrust exerted on the mover 100 and further increasing the load of the mover 100; on the other hand, the embodiment of the present application provides a third permanent magnet 1230 in the first conveying direction X and the second conveying direction Y to specifically increase the thrust exerted on the mover 100 when it moves along the first conveying direction X or the second conveying direction Y, so that the mover 100 can have a faster speed when moving along the first conveying direction X or the second conveying direction Y.

[0078] Furthermore, for the adjacent third permanent magnet 1230 and second permanent magnet 1220, the polarization direction of the third permanent magnet 1230 is opposite to the polarization direction of the second permanent magnet 1220, that is, when the polarity of the second permanent magnet 1220 is determined, the polarity of the third permanent magnet 1230 is correspondingly determined; and since the second permanent magnets 1220 in the second sub-array 1221 of the same layer have the same polarity, the polarity of the third permanent magnet 1230 adjacent to the second permanent magnet 1220 is also the same, thereby facilitating the magnetic determination and installation of the third permanent magnet 1230.

[0079] Further, please refer to Figure 5 , multiple permanent magnets form a third sub-array 1231, the polarization directions of two adjacent third sub-arrays 1231 are opposite, and the polarization direction of the third sub-array 1231 adjacent to the second permanent magnet 1220 is opposite to the polarization direction of the second permanent magnet 1220, and the multiple third permanent magnets 1230 of the third sub-array 1231 are respectively arranged corresponding to multiple edges of the second permanent magnet array 122.

[0080] In the third sub-array 1231 described in the embodiment of the present application, the third permanent magnets 1230 included in the same third sub-array 1231 have the same polarity.

[0081] In some embodiments, for the multiple third sub-arrays 1231 arranged on different sides of the second permanent magnet array 122, the number of third sub-arrays 1231 may be different. For example, when the mover 100 mainly runs along the first conveying direction X, the third sub-arrays 1231 arranged along the first conveying direction X may be more in number to increase the conveying speed of the mover 100 along the first conveying direction X; at this time, the number of third sub-arrays 1231 arranged along the second conveying direction Y may be appropriately reduced to reduce the weight and setting cost of the mover 100.

[0082] like Figure 5 As shown, in some embodiments, four third permanent magnets 1230 can form a third sub-array 1231, and multiple third sub-arrays 1231 are arranged along the first conveying direction X or the second conveying direction Y; the long sides of the four third permanent magnets 1230 are respectively arranged in a one-to-one correspondence with the four sides of the second permanent magnet array 122; wherein, the polarization directions of multiple adjacent two third sub-arrays 1231 are opposite, and the polarization direction of the third permanent magnet array 123 adjacent to the second permanent magnet array 122 is opposite to the polarization direction of the second permanent magnet array 122.

[0083] The four third sub-arrays 1231 are arranged in a one-to-one correspondence with the four edges of the second permanent magnet array 122, thereby avoiding redundant placement of the third sub-arrays 1231. This prevents the length of the third permanent magnets 1230 from exceeding the length of the second permanent magnet array 122, which would prevent some third permanent magnets 1230 from properly coupling with the armature windings, thereby reducing magnetic utilization. Furthermore, a vacant area is formed around the permanent magnet array 120. This vacant area can be used to accommodate components such as sensors and rollers as needed to implement other functions of the mover 100, effectively improving the space utilization of the mover 100.

[0084] like Figure 5 As shown, in some embodiments, the permanent magnet array 120 may further include a fourth permanent magnet array 124, which is arranged on a side of the third permanent magnet array 123 away from the first permanent magnet array 121; the fourth permanent magnet array 124 includes a plurality of fourth permanent magnets 1240, and the long sides of the fourth permanent magnets 1240 are respectively arranged in a one-to-one correspondence with the four sides of the third permanent magnet array 123, and the polarization direction of the fourth permanent magnet 1240 is opposite to that of the third permanent magnet 1230 of the adjacent third sub-array 1231.

[0085] The fourth permanent magnet array 124 of the embodiment of the present application can reduce the end effect of the permanent magnet array 120, improve the thrust fluctuation during the movement of the mover 100, reduce additional loss, and improve magnetic utilization.

[0086] See also Figure 2In order to reduce the mutual influence of the magnetic fields between the multiple permanent magnet arrays and reduce magnetic leakage, in some embodiments, a gap is left between at least one of the first permanent magnet array 121 and the second permanent magnet array 122, the second permanent magnet array 122 and the third permanent magnet array 123, and the third permanent magnet array 123 and the fourth permanent magnet array 124; the mover 100 may also include a magnetic steel sheet 130, the thickness of the magnetic steel sheet 130 is adapted to the gap, and the magnetic steel sheet 130 is arranged in the gap. Exemplarily, the side length of the first permanent magnet array 121 can be slightly smaller than the width side length of the second permanent magnet array 122. For example, the side length of the first permanent magnet array 121 can be 27 mm, and the width side length of the second permanent magnet array 122 can be 30 mm. The thickness of the magnetic steel sheet 130 can be 3 mm, and the magnetic steel sheet 130 is inserted into the gap between the first permanent magnet array 121 and the second permanent magnet array 122.

[0087] See also Figure 3 and Figure 4 In some embodiments, a plurality of second permanent magnets 1220 are connected end to end, a portion of the second permanent magnets 1220 can be arranged along the first conveying direction X, and another portion of the second permanent magnets 1220 can be arranged along the second conveying direction Y, with the first conveying direction X and the second conveying direction Y being arranged at an angle. The outer contour of the cross section of the second permanent magnet array 122 is a square. The angle between the first conveying direction X and the second conveying direction Y can be an acute angle or an obtuse angle, or can be as follows: Figure 3 and Figure 4 Right angle shown.

[0088] like Figure 3 As shown, the three second permanent magnets 1220 on the upper side are arranged horizontally along the first conveying direction X, followed by the three second permanent magnets 1220 on the right side arranged vertically along the second conveying direction Y, and then the three second permanent magnets 1220 on the lower side are arranged horizontally along the first conveying direction X, and finally the two second permanent magnets 1220 on the left are arranged vertically along the second conveying direction Y to form a two-layer closed loop second sub-array 1221. Figure 4 As shown, the two second permanent magnets 1220 on the upper side are aligned along the first conveying direction X, followed by the two second permanent magnets 1220 on the left side aligned along the second conveying direction Y, then the two third permanent magnet arrays 123 on the lower side are aligned in the first conveying direction X, and finally the two third permanent magnet arrays 123 on the right side are aligned in the second conveying direction Y, and then the corresponding second permanent magnets 1220 are supplemented to form a two-layer closed-loop second sub-array 1221. In this way, on the one hand, the arrangement of the permanent magnet array 120 can be diversified to accommodate different types of armature windings and couple with them, thereby improving the conveying diversity of the mover 100; on the other hand, by providing multiple second permanent magnets 1220, the area of ​​the permanent magnet array 120 can be further increased, thereby increasing the driving force of the mover 100.

[0089] In some embodiments, the mover 100 may further include a rolling element 140 and an angle sensor (not shown). The rolling element 140 is rotatably connected to the mover body 110. The angle sensor is provided on the mover body 110 to detect the rotation angle of the rolling element 140 relative to the initial position.

[0090] The rolling element 140 may be at least one of a roller-type universal wheel, a ball-type universal wheel and a Mecanum wheel. Figure 1 As shown, when the mover body 110 is a quadrilateral, the rolling elements 140 can be arranged at the four diagonal corners of the mover body 110. For mover bodies 110 of other different shapes such as a circle, multiple rolling elements 140 can also be arranged on the edge of the mover body 110. The number of rolling elements 140 is at least three, for example, it can be three, four, five, and so on. The angle sensor can include a multi-pole magnet and a magnetic sensor. The multi-pole magnet is connected to the rolling element 140 and can rotate synchronously with the rolling element 140. The multi-pole magnet has multiple south poles and multiple north poles, and the multiple south poles and multiple north poles are arranged at intervals along the circumference of the multi-pole magnet; the magnetic sensor can detect the change in the magnetic field during the rotation of the multi-pole magnet, and obtain the rotation angle of the rolling element 140 based on the change in the magnetic field, and then determine the movement speed of the mover 100.

[0091] In some embodiments, the stator is further provided with a Hall effect sensor (not shown); when the mover 100 moves, the Hall effect sensor can obtain position information of the mover 100 based on the magnetic field interaction between the coil assembly and the permanent magnet array 120. It is understood that when the mover 100 is determined to have moved to a predetermined position based on the obtained position information of the mover 100, an actuator such as a manipulator or robot can be used to move materials on the conveying surface of the mover 100.

[0092] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some or all of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application, and they should all be included in the scope of the claims and specification of the present application. In particular, as long as there is no structural conflict, the various technical features mentioned in the various embodiments can be combined in any way. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.

Claims

1. A mover (100), characterized in that: include: The mover body (110) is provided with a mounting groove; A first permanent magnet array (121) and a second permanent magnet array (122), wherein the first permanent magnet array (121) and the second permanent magnet array (122) are arranged in the installation groove, and the second permanent magnet array (122) is arranged around the first permanent magnet array (121), wherein, for the adjacent first permanent magnet array (121) and the second permanent magnet array (122), the polarization direction of the first permanent magnet array (121) is opposite to the polarization direction of the second permanent magnet array (122).

2. The mover (100) according to claim 1, characterized in that The first permanent magnet array (121) is located at the geometric center of the mover body (110).

3. The mover (100) according to claim 1, characterized in that The first permanent magnet array (121) comprises at least one first permanent magnet (1210), the cross section of the first permanent magnet (1210) is a square, and the side length of the first permanent magnet (1210) is greater than or equal to 0.9 unit lengths and less than or equal to 1 unit length; The second permanent magnet array (122) comprises a plurality of second permanent magnets (1220), the cross section of the second permanent magnets (1220) being rectangular, and the long side length of each second permanent magnet (1220) being 2 unit lengths and the wide side length being 1 unit length; Wherein, the outer contours of the cross sections of the first permanent magnet array (121) and the second permanent magnet array (122) are square.

4. The mover (100) according to claim 3, characterized in that The second permanent magnet array (122) comprises multiple layers of second sub-arrays (1221) arranged around the first permanent magnet array (121); There are two adjacent layers of the second sub-arrays (1221) with opposite polarization directions, and the polarization direction of the second sub-array (1221) adjacent to the first permanent magnet array (121) is opposite to the polarization direction of the first permanent magnet array (121).

5. The mover (100) according to claim 3, characterized in that: Also includes: a third permanent magnet array (123), comprising a plurality of third permanent magnets (1230) arranged around the second permanent magnet (1220), the third permanent magnets (1230) being arranged on a side of the second permanent magnet (1220) away from the first permanent magnet (1210); wherein, for adjacent third permanent magnets (1230) and second permanent magnets (1220), the polarization direction of the third permanent magnets (1230) is opposite to the polarization direction of the second permanent magnets (1220); Among the plurality of third permanent magnets (1230), a portion of the third permanent magnets (1230) are arranged along a first conveying direction, and another portion of the third permanent magnets (1230) are arranged along a second conveying direction, and the first conveying direction and the second conveying direction are set at an angle.

6. The mover (100) according to claim 5, characterized in that The plurality of third permanent magnets (1230) form a plurality of third sub-arrays (1231), the polarization directions of two adjacent third sub-arrays (1231) are opposite, and the polarization direction of the third sub-array (1231) adjacent to the second permanent magnet (1220) is opposite to the polarization direction of the second permanent magnet (1220); The plurality of third permanent magnets (1230) of the third sub-array (1231) are respectively arranged corresponding to the plurality of sides of the second permanent magnet array (122).

7. The mover (100) according to claim 6, characterized in that Also includes: A fourth permanent magnet array (124) is arranged on a side of the third permanent magnet array (123) away from the first permanent magnet array (121); the fourth permanent magnet array (124) includes a plurality of fourth permanent magnets (1240), and the polarization direction of the fourth permanent magnets (1240) is opposite to that of the third permanent magnets (1230) of the adjacent third sub-array (1231).

8. The mover (100) according to claim 7, characterized in that A gap is left between at least one of the first permanent magnet array (121) and the second permanent magnet array (122), the second permanent magnet array (122) and the third permanent magnet array (123), and the third permanent magnet array (123) and the fourth permanent magnet array (124); The mover (100) further includes: A magnetic steel sheet (130), the thickness of the magnetic steel sheet (130) being adapted to the gap, and the magnetic steel sheet (130) being arranged in the gap.

9. The mover (100) according to claim 3, characterized in that: The value of one unit length is one of 16 mm, 18 mm, 20 mm, 24 mm, 26 mm, 28 mm, 30 mm, 32 mm, 34 mm, 36 mm, and 40 mm.

10. A magnetic drive conveying system, characterized in that: include The mover (100) according to any one of claims 1 to 9; A stator is provided with a coil assembly, and the coil assembly is used to couple with the permanent magnet array to drive the mover (100) to move.

Images