WO2023097920A1

WO2023097920A1 - Stator iron core, motor, compressor, and refrigeration device

Info

Publication number: WO2023097920A1
Application number: PCT/CN2022/079411
Authority: WO
Inventors: 毛临书; 邱小华; 杨文权; 张肃; 朱晓光; 马瑞
Original assignee: 广东美芝制冷设备有限公司
Priority date: 2021-12-03
Filing date: 2022-03-04
Publication date: 2023-06-08

Abstract

The present application provides a stator iron core, a motor, a compressor, and a refrigeration device. The stator iron core comprises a plurality of iron core blocks; the plurality of iron core blocks are tiled to form a rotor cavity; each of the plurality of iron core blocks comprises a plurality of magnetic conduction pieces that are stacked in the axial direction of the rotor cavity; each magnetic conduction piece comprises a stator yoke and stator teeth; a first riveting portion is arranged on the stator yoke; the first riveting portions of the magnetic conduction pieces that are adjacent in the axial direction in the plurality of magnetic conduction pieces are connected to each other; the stator teeth are connected to the stator yoke; the stator teeth are arranged close to the center of the rotor cavity relative to the stator yoke; the stator teeth are provided with second riveting portions; and the second riveting portions of the magnetic conduction pieces that are adjacent in the axial direction in the plurality of magnetic conduction pieces are connected to each other. The riveting binding force of the second riveting portion is different from the riveting binding force of the first riveting portion, so that a riveting structure is adapted to the stress of the magnetic conduction pieces at different positions, and the overall precision of the iron core block formed by stacking the plurality of the magnetic conduction pieces can be improved, and thus, the overall precision of the stator iron core is ensured, and the manufacturing performance of the motor is improved.

Description

定子铁芯、电机、压缩机和制冷设备Stator cores, motors, compressors and refrigeration equipment

本申请要求于2021年12月03日提交中国专利局、申请号为“202111468821.4”、发明名称为“定子铁芯、电机、压缩机和制冷设备”以及2021年12月03日提交中国专利局、申请号为“202123020125.5”、发明名称为“定子铁芯、电机、压缩机和制冷设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。This application is required to be submitted to the China Patent Office on December 3, 2021, the application number is "202111468821.4", the title of the invention is "stator core, motor, compressor and refrigeration equipment" and it is submitted to the China Patent Office on December 03, 2021, The priority of the Chinese patent application with the application number "202123020125.5" and the title of the invention "Stator core, motor, compressor and refrigeration equipment", the entire content of which is incorporated in this application by reference.

技术领域technical field

本申请涉及定子技术领域，具体而言，涉及一种定子铁芯、一种电机、一种压缩机和一种制冷设备。The present application relates to the technical field of stators, in particular, to a stator core, a motor, a compressor and a refrigeration device.

背景技术Background technique

目前，分块式定子铁芯是由单块铁芯块拼接而成的，单个的铁芯块是采用多个冲片通过层叠的方式叠压而成，叠压后通过采用一定的固定方式形成具有一定强度的铁芯块，但是，目前固定方式会影响冲片堆叠后的精度，导致后续电机无法制造的问题。At present, the segmented stator core is spliced by single iron core blocks. A single iron core block is formed by laminating multiple punched sheets by stacking. After lamination, it is formed by adopting a certain fixing method. The iron core block has a certain strength, but the current fixing method will affect the accuracy of the punched sheets after stacking, resulting in the problem that the subsequent motor cannot be manufactured.

发明内容Contents of the invention

本申请旨在至少解决现有技术或相关技术中存在的技术问题之一。This application aims to solve at least one of the technical problems existing in the prior art or related art.

为此，本申请的第一个方面在于，提出一种定子铁芯。To this end, the first aspect of the present application is to propose a stator core.

本申请的第二个方面在于，提出一种电机。A second aspect of the present application is to propose an electric machine.

本申请的第三个方面在于，提出一种压缩机。The third aspect of the present application is to provide a compressor.

本申请的第四个方面在于，提出一种制冷设备。The fourth aspect of the present application is to provide a refrigeration device.

有鉴于此，根据本申请的第一个方面，提供了一种定子铁芯，其包括多个铁芯块，多个铁芯块拼接形成转子腔，多个铁芯块中每个铁芯块包括沿转子腔的轴向堆叠的多个导磁片，每个导磁片包括定子轭和定子齿，定子轭上设有第一铆接部，多个导磁片中在轴向上相邻的导磁片的第一铆接部相连；定子齿与定子轭相连，定子齿相对定子轭靠近转子腔的中心设置，定子齿上设有第二铆接部，多个导磁片中在轴向上相邻的导磁片的第二铆接部相连；其中，第一铆接部的铆接结合力大于第二铆接部的铆接结合力。In view of this, according to the first aspect of the present application, a stator core is provided, which includes a plurality of iron core blocks, and the plurality of iron core blocks are spliced to form a rotor cavity, and each of the plurality of iron core blocks It includes a plurality of magnetically conductive sheets stacked along the axial direction of the rotor cavity, each magnetically conductive sheet includes a stator yoke and stator teeth, the stator yoke is provided with a first riveting part, and among the plurality of magnetically conductive sheets that are adjacent in the axial direction The first riveting part of the magnetic conductive sheet is connected; the stator teeth are connected with the stator yoke, and the stator teeth are arranged close to the center of the rotor cavity relative to the stator yoke, and the second riveting part is arranged on the stator teeth. The second riveting parts of adjacent magnetic conductive sheets are connected; wherein, the riveting force of the first riveting part is greater than that of the second riveting part.

本申请提供的定子铁芯为分块铁芯，定子铁芯包括多个铁芯块，多个铁芯块依次首尾拼接以形成一个整体的定子铁芯，多个铁芯块拼接可以形成转子腔，转子腔用于容置电机的转子。其中，转子腔位于定子铁芯的中部，也就是说，定子铁芯可为外定子，转子设在定子铁芯的内侧。其中，转子腔沿轴向贯穿设置。每个铁芯块包括多个导磁片，多个导磁片沿轴向堆叠设置。也就是说，在定子铁芯的生产制备过程中，铁芯块可以单独加工，之后再令多个铁芯块拼接组成定子铁芯。对于每个导磁片而言，均具有相连的定子轭和定子齿，定子轭相对定子齿而言远离转子腔的中心设置，即定子轭靠外，定子齿靠内设置，多个定子轭拼接能够构成定子铁芯的外周缘。其中，定子轭上设有第一铆接部，定子齿上设有第二铆接部，对于一个铁芯块而言，多个导磁片在堆叠的过程中，在轴向上相邻的导磁片的定子轭堆叠，即相邻定子轭上的第一铆接部铆接连接，在轴向上相邻的导磁片的定子齿堆叠，即相邻定子齿上的第二铆接部铆接连接，也就是说，对于定子轭和定子齿分别设有相应的固定结构，从而可以确保导磁片整体的连接稳定性。进一步地，第一铆接部和第二铆接部各自的铆接结合力不同，即对于导磁片的不同位置处受力不同，从而设置相应的铆接结合力，即第一铆接部和第二铆接部为不同类型的铆接结构，使得多个导磁片堆叠后形成铁芯块的整体精度较高，确保后续定子铁芯在电机中的装配，提升电机的可制造性能。The stator core provided by this application is a segmented iron core. The stator core includes a plurality of iron core blocks. The multiple iron core blocks are spliced end to end in sequence to form an integral stator core. The splicing of multiple iron core blocks can form a rotor cavity. , the rotor cavity is used to accommodate the rotor of the motor. Wherein, the rotor cavity is located in the middle of the stator core, that is to say, the stator core can be an outer stator, and the rotor is arranged inside the stator core. Wherein, the rotor cavity is arranged axially through. Each core block includes a plurality of magnetically conductive sheets, and the plurality of magnetically conductive sheets are stacked along the axial direction. That is to say, during the production and preparation process of the stator core, the core blocks can be processed separately, and then a plurality of core blocks can be spliced to form the stator core. For each magnetic sheet, it has a connected stator yoke and stator teeth. The stator yoke is set far away from the center of the rotor cavity relative to the stator teeth, that is, the stator yoke is set outside, the stator teeth are set inside, and multiple stator yokes are spliced. The outer peripheral edge of the stator core can be formed. Wherein, the first riveting part is provided on the stator yoke, and the second riveting part is provided on the stator teeth. For a core block, during the stacking process of a plurality of magnetic conductive sheets, the adjacent magnetic conductive sheets in the axial direction The stator yokes of the slices are stacked, that is, the first riveting parts on the adjacent stator yokes are riveted and connected, and the stator teeth of the adjacent magnetic conductive sheets in the axial direction are stacked, that is, the second riveting parts on the adjacent stator teeth are riveted and connected. That is to say, corresponding fixing structures are respectively provided for the stator yoke and the stator teeth, so that the overall connection stability of the magnetic permeable sheet can be ensured. Further, the riveting bonding force of the first riveting part and the second riveting part are different, that is, the forces at different positions of the magnetic conductive sheet are different, so that the corresponding riveting bonding force is set, that is, the first riveting part and the second riveting part It is a different type of riveting structure, so that the overall precision of the core block formed by stacking multiple magnetic conductive sheets is high, which ensures the subsequent assembly of the stator core in the motor and improves the manufacturability of the motor.

本申请中通过在定子轭、定子齿处分别设置不同的第一铆接部、第二铆接部，从而使得固定结构与导磁片不同位置处的受力相适应，能够提升多个导磁片堆叠形成的铁芯块的整体精度，进而确保定子铁芯的整体精度，提升电机的可制造性能。In this application, different first riveting parts and second riveting parts are respectively arranged at the stator yoke and the stator teeth, so that the fixed structure can adapt to the force at different positions of the magnetic permeable sheets, and the stacking of multiple magnetic permeable sheets can be improved. The overall accuracy of the formed iron core block can ensure the overall accuracy of the stator core and improve the manufacturability of the motor.

其中，需要说明的是，第一铆接部与第二铆接部的铆接结合力不同，单个第一铆接部的铆接力与单个第二铆接部的铆接力不同。Wherein, it should be noted that the riveting force of the first riveting part is different from that of the second riveting part, and the riveting force of a single first riveting part is different from the riveting force of a single second riveting part.

在一种可能的设计中，进一步地，第一铆接部的铆接结合力大于第二铆接部的铆接结合力。In a possible design, further, the riveting bonding force of the first riveting part is greater than the riveting bonding force of the second riveting part.

在该设计中，位于定子轭处的第一铆接部的铆接结合力，大于位于定子齿处的第二铆接部的铆接结合力，由于定子轭相对定子齿而言靠外设置，当第一铆接部的铆接结合力大于第二铆接部的铆接结合力时，则能够有效保证整个定子铁芯在圆周方向上的尺寸精度，从而确保了多个铁芯块拼接形成完整定子铁芯后的精度，确保定子铁芯在电机内的可装配性能。In this design, the riveting force of the first riveting part located at the stator yoke is greater than the riveting force of the second riveting part located at the stator teeth. When the riveting bonding force of the first riveting part is greater than the riveting bonding force of the second riveting part, the dimensional accuracy of the entire stator core in the circumferential direction can be effectively guaranteed, thereby ensuring the accuracy of a complete stator core formed by splicing multiple core blocks. Ensure the assemblability of the stator core in the motor.

需要说明的是，为了获得第一铆接部和第二铆接部的铆接结合力不同，可以对第一铆接部、第二铆接部的铆接深度、铆接面积等参数进行调整。It should be noted that, in order to obtain different riveting bonding forces between the first riveting portion and the second riveting portion, parameters such as riveting depth and riveting area of the first riveting portion and the second riveting portion may be adjusted.

在一种可能的设计中，进一步地，定子轭包括位于轴向端面上的轭内缘线和轭外缘线，轭内缘线相对于轭外缘线靠近转子腔设置，轭内缘线和轭外缘线之间具有轭分界线，第一铆接部位于轭外缘线和轭分界线之间。其中，轭内缘线和轭分界线之间的距离为X，在平行于定子齿的中心线的方向，定子轭的最小宽度为Y，满足，X≤0.4Y。In a possible design, further, the stator yoke includes a yoke inner edge line and a yoke outer edge line on the axial end surface, the yoke inner edge line is arranged closer to the rotor cavity relative to the yoke outer edge line, and the yoke inner edge line and the yoke outer edge line There is a yoke dividing line between the yoke outer edge lines, and the first riveting part is located between the yoke outer edge lines and the yoke dividing line. Wherein, the distance between the inner edge line of the yoke and the boundary line of the yoke is X, and in the direction parallel to the center line of the stator teeth, the minimum width of the stator yoke is Y, which satisfies X≤0.4Y.

在该设计中，定子轭包括轭内缘线和轭外缘线，其中，轭内缘线和轭外缘线位于同一平面内，该平面为垂直于轴向的平面。轭内缘线朝向转子腔的中心设置，轭内缘线的一部分与定子齿接触，对于定子轭而言，其具有朝向定子齿的轭内缘面，定子齿的一部分设在轭内缘面上，轭内缘线位于轭内缘面内。当轭内缘面为轴向延伸的平面时，则轭内缘线为直线。第一铆接部位于轭分界线背离转子腔的一侧，即第一铆接部位于轭分界线的外侧。此时，对于轭分界线的确定与定子轭的最小宽度相关联，当定子轭的最小宽度为Y时，则轭内缘线和轭分界线之间的距离为X，且二者满足上述关系，轭内缘线和轭分界线在轴向端面内相平行，即将轭内缘线朝外平移0.4Y距离后即可得到轭分界线，第一铆接部位于定子轭上靠外的位置，从而能够对外周圆处的精度进一步把握，确保最终铁芯块的精度。In this design, the stator yoke includes a yoke inner edge line and a yoke outer edge line, wherein the yoke inner edge line and the yoke outer edge line are located in the same plane, which is a plane perpendicular to the axial direction. The inner edge line of the yoke is set towards the center of the rotor cavity, a part of the inner edge line of the yoke is in contact with the stator teeth, and for the stator yoke, it has an inner edge surface of the yoke facing the teeth of the stator, and a part of the inner edge line of the yoke is arranged on the inner edge surface of the yoke , the yoke inner edge line is located in the yoke inner edge plane. When the inner edge surface of the yoke is a plane extending axially, the inner edge line of the yoke is a straight line. The first riveting portion is located on a side of the yoke boundary line away from the rotor cavity, that is, the first riveting portion is located outside the yoke boundary line. At this time, the determination of the yoke boundary line is related to the minimum width of the stator yoke. When the minimum width of the stator yoke is Y, the distance between the yoke inner edge line and the yoke boundary line is X, and the two satisfy the above relationship , the inner edge line of the yoke and the boundary line of the yoke are parallel to the axial end surface, that is, the inner edge line of the yoke can be translated outward by a distance of 0.4Y to obtain the boundary line of the yoke, and the first riveting part is located on the outer position of the stator yoke, so The accuracy of the outer circumference can be further grasped to ensure the accuracy of the final iron core block.

需要说明的是，定子轭类似于弧形结构，多个弧形结构的定子轭拼接后呈圆环状，定子轭的宽度方向为平行于定子齿的中心线的方向。It should be noted that the stator yoke is similar to an arc-shaped structure, and multiple arc-shaped stator yokes are spliced to form a ring shape, and the width direction of the stator yoke is parallel to the centerline of the stator teeth.

换而言之，在定子轭的最小宽度为Y时，将靠近转子腔的中心的轭内缘线向轭外缘线的方向平移0.4Y从而获得轭分界线，而第一铆接部设在轭分界线和轭外缘线所形成的区域内。In other words, when the minimum width of the stator yoke is Y, the yoke inner edge line near the center of the rotor cavity is translated by 0.4Y in the direction of the yoke outer edge line to obtain the yoke boundary line, and the first riveting part is set on the yoke In the area formed by the dividing line and the outer edge line of the yoke.

在一种可能的设计中，进一步地，第二铆接部的中心点偏离定子齿的中心线设置。In a possible design, further, the center point of the second riveting part is set away from the center line of the stator teeth.

在该设计中，位于定子齿上的第二铆接部的中心点避开定子齿的中心线设置，即第二铆接部在定子齿上偏心设置，从而能够保证齿部的损耗最小化，在保证电机精度优良的情况下，获得最少的电机损耗，保证电机较小的电磁效率衰减程度。In this design, the center point of the second riveting part located on the stator tooth is set away from the center line of the stator tooth, that is, the second riveting part is arranged eccentrically on the stator tooth, so as to ensure that the loss of the tooth part is minimized. In the case of excellent motor precision, the least motor loss is obtained to ensure a small degree of electromagnetic efficiency attenuation of the motor.

需要说明的是，如果在定子齿的中心线处设置铆接结构，那么会导致电机涡流损耗增大，降低电机效率。而本申请令第二铆接部偏离定子齿的中心线设置，不仅能够实现固定连接的作用，还能够尽可能地降低涡流损耗，保证电机的效率。It should be noted that if a riveting structure is provided at the centerline of the stator teeth, it will increase the eddy current loss of the motor and reduce the efficiency of the motor. However, in the present application, the second riveting part is arranged away from the center line of the stator teeth, which can not only achieve the function of fixed connection, but also reduce the eddy current loss as much as possible, and ensure the efficiency of the motor.

其中，转子腔具有中心轴线，定子齿的中心线穿过转子腔中心轴线。Wherein, the rotor chamber has a central axis, and the centerline of the stator teeth passes through the central axis of the rotor chamber.

在一种可能的设计中，进一步地，定子齿包括齿根和齿靴，齿根的第一端与定子轭相连，齿靴设在齿根的第二端，其中，齿根的中心对称线为定子齿的中心线，第二铆接部设在齿根上。In a possible design, further, the stator tooth includes a tooth root and a tooth shoe, the first end of the tooth root is connected to the stator yoke, and the tooth shoe is arranged at the second end of the tooth root, wherein the central symmetry line of the tooth root It is the center line of the stator tooth, and the second riveting part is arranged on the root of the tooth.

在该设计中，定子齿包括齿根和齿靴，齿根呈规则状，比如矩形。齿根的第一端与定子轭相连，齿根的第二端设有齿靴。定子绕组主要绕设在齿根上，周向向相邻的定子齿形成绕线槽，齿靴位于绕线槽的槽口处，齿靴能够防止定子绕组从绕线槽内脱出。穿过转子腔的中心轴线的齿根中心对称线即为定子齿的中心线。第二铆接部设在齿根上，齿根面积大于齿靴，可以为第二铆接部提供多种可选位置，提升第二铆接部的设置灵活性、自由度更高。而且，将第二铆接部设在齿根上，避免第二铆接部和第一铆接部相隔过远，通过设置轭部分界线，也能够防止第一铆接部、第二铆接部过于靠近，令第一铆接部和第二铆接部以适合的距离分布在定子轭和定子齿上，从而可以为导磁片整体提供可靠的连接性。In this design, the stator teeth consist of a tooth root and a tooth shoe, and the tooth root has a regular shape, such as a rectangle. The first end of the tooth root is connected with the stator yoke, and the second end of the tooth root is provided with a tooth shoe. The stator winding is mainly wound on the tooth root, and the circumferentially adjacent stator teeth form a winding slot, and the tooth shoe is located at the notch of the winding slot, and the tooth shoe can prevent the stator winding from falling out of the winding slot. The central symmetry line of the dedendum passing through the central axis of the rotor cavity is the central line of the stator teeth. The second riveting part is arranged on the root of the tooth, and the area of the root of the tooth is larger than that of the tooth shoe, which can provide a variety of optional positions for the second riveting part, improving the flexibility of setting the second riveting part and having a higher degree of freedom. Moreover, the second riveting part is arranged on the root of the tooth to prevent the second riveting part from being too far apart from the first riveting part. The riveting part and the second riveting part are distributed on the stator yoke and the stator teeth at a suitable distance, so as to provide reliable connection for the whole magnetic conductive sheet.

值得说明的是，齿靴的数量为两个，两个齿靴分布在齿根的不同侧，一个齿靴位于齿根周向上一侧，另一个齿靴位于齿根周向上另一侧，两个齿靴可以相对于齿根的中心对称线对称分布，提升定子铁芯整体的对称性，进而可以确保电机效率。It is worth noting that the number of tooth shoes is two, and the two tooth shoes are distributed on different sides of the tooth root. The tooth shoes can be distributed symmetrically with respect to the central symmetry line of the tooth root, so as to improve the overall symmetry of the stator core, thereby ensuring the efficiency of the motor.

在一种可能的设计中，进一步地，在垂直于定子齿的中心线的方向上，齿根的宽度为M，第二铆接部的中心点与齿根的中心对称线之间的距离为N，其中，0.01M≤N≤0.4M。In a possible design, further, in the direction perpendicular to the center line of the stator teeth, the width of the tooth root is M, and the distance between the center point of the second riveting part and the center line of symmetry of the tooth root is N , where, 0.01M≤N≤0.4M.

在该设计中，在垂直于定子齿的中心线的方向上，齿根的宽度为M，即定子轭的宽度方向与齿根的宽度方向不同，导磁片整体呈类似“T”型。第二铆接部的具***置与齿根的宽度相关联，尽管第二铆接部偏离齿根的中心对称线设置，然而，第二铆接部的中心点与齿根的中心对称线具有前述关系，即第二铆接部可以在一定范围内偏离齿根的中心对称设置，从而才能保证定子齿的最小化损耗，在保证电机精度优良的情况下，有效降低电机的损耗。如果第二铆接部远离齿根的中心对称线设在齿根的边缘处，则第二铆接部无法为定子齿位置处提供有效的连接作用，同时也无法减小损耗。In this design, the width of the dedendum is M in the direction perpendicular to the centerline of the stator teeth, that is, the width direction of the stator yoke is different from that of the dedendum, and the overall magnetic sheet is similar to a "T" shape. The specific position of the second riveting part is associated with the width of the dedendum, although the second riveting part is set away from the central symmetry line of the dedendum, however, the center point of the second riveting part and the central symmetry line of the dedendum have the aforementioned relationship, namely The second riveting part can be arranged symmetrically away from the center of the tooth root within a certain range, so as to ensure the minimum loss of the stator teeth, and effectively reduce the loss of the motor while ensuring excellent motor precision. If the second riveting part is arranged at the edge of the tooth root far away from the central symmetry line of the tooth root, the second riveting part cannot provide effective connection for the positions of the stator teeth, and at the same time cannot reduce loss.

需要说明的是，第二铆接部在齿根的长度方向上设在齿根的中部位置，从而能够令齿根处获得较为均匀的受力，提升结构稳定性。It should be noted that the second riveting part is arranged in the middle of the tooth root in the length direction of the tooth root, so that the force on the tooth root can be relatively uniform and the structural stability can be improved.

在一种可能的设计中，进一步地，第一铆接部的数量为多个，多个第一铆接部分布在定子齿的中心线的不同侧。In a possible design, further, there are multiple first riveting parts, and the multiple first riveting parts are distributed on different sides of the center line of the stator teeth.

在该设计中，定子轭上的第一铆接部的数量为多个，多个第一铆接部分布在定子齿的中心线的不同侧，由于第二铆接部靠近定子齿的中心线设置，则多个第一铆接部和第二铆接部能够形成多边形，比如，三角形、四边形等，可以令导磁片所受到的铆接作用更加均匀化。In this design, there are multiple first riveting parts on the stator yoke, and the multiple first riveting parts are distributed on different sides of the center line of the stator teeth. Since the second riveting parts are arranged close to the center line of the stator teeth, then The plurality of first riveting parts and second riveting parts can form polygons, such as triangles, quadrilaterals, etc., which can make the riveting effect on the magnetic conductive sheet more uniform.

具体而言，当第一铆接部的数量为2个时，一个第一铆接部设在定子齿的中心线的一侧，另一个第一铆接部和第二铆接部设在定子齿的中心线的另一侧，则三者可以构成稳定三角形，三角形区域占据整个导磁片的中心区域，此时，导磁片所受到的铆接力更加稳定有效。Specifically, when the number of first riveting parts is two, one first riveting part is set on one side of the center line of the stator teeth, and the other first riveting part and the second riveting part are set on the center line of the stator teeth On the other side, the three can form a stable triangle, and the triangle area occupies the central area of the entire magnetic conductive sheet. At this time, the riveting force on the magnetic conductive sheet is more stable and effective.

在一种可能的设计中，进一步地，多个第一铆接部沿定子齿的中心线对称分布。In a possible design, further, the multiple first riveting parts are symmetrically distributed along the centerline of the stator teeth.

在该设计中，多个第一铆接部对称排布在定子轭上，使得定子轭位置处能够得到对称的铆接力，保证定子铁芯的整体精度，保证电机的效率。In this design, multiple first riveting parts are symmetrically arranged on the stator yoke, so that a symmetrical riveting force can be obtained at the position of the stator yoke, ensuring the overall precision of the stator core and the efficiency of the motor.

在一种可能的设计中，进一步地，定子轭上还设有第三铆接部，第一铆接部和第三铆接部分布在定子齿的中心线的不同侧。In a possible design, further, the stator yoke is further provided with a third riveting part, and the first riveting part and the third riveting part are distributed on different sides of the center line of the stator teeth.

在该设计中，导磁片上设有第一铆接部、第二铆接部和第三铆接部，第一铆接部和第三铆接部能够为定子轭提供可靠的连接性能，第二铆接部为定子齿提供可靠连接性能。由于第三铆接部和第一铆接部分布在定子齿的中心线的不同侧，那么第一铆接部、第二铆接部和第三铆接部可以形成稳定三角形，三角形区域占据整个导磁片的中心区域，此时，导磁片所受到的铆接力更加稳定有效。其中，第三铆接部的铆接结合力大于等于第一铆接部的铆接结合力。In this design, a first riveting part, a second riveting part and a third riveting part are provided on the magnetic conductive sheet. The first riveting part and the third riveting part can provide reliable connection performance for the stator yoke, and the second riveting part is the stator yoke. Teeth provide reliable connection performance. Since the third riveting part and the first riveting part are distributed on different sides of the center line of the stator teeth, the first riveting part, the second riveting part and the third riveting part can form a stable triangle, and the triangular area occupies the center of the entire magnetic permeable sheet In this case, the riveting force on the magnetic sheet is more stable and effective. Wherein, the riveting bonding force of the third riveting part is greater than or equal to the riveting bonding force of the first riveting part.

在一种可能的设计中，进一步地，第三铆接部的铆接结合力与第二铆接部的铆接结合力相同。In a possible design, further, the riveting force of the third riveting part is the same as that of the second riveting part.

在该设计中，当第三铆接部的铆接结合力与第二铆接部的铆接结合力相等时，则第三铆接部和第二铆接部可以采用同一铆接工艺制备，即对于导磁片上铆接结构的加工，可以采用两种铆接工艺，即第一种铆接工艺用于在定子轭上加工第一铆接部，第二种铆接工艺用于在定子齿上加工第二铆接部，同时，可以在定子轭上加工第三铆接部，简化加工过程。In this design, when the riveting bonding force of the third riveting part is equal to the riveting bonding force of the second riveting part, the third riveting part and the second riveting part can be prepared by the same riveting process, that is, for the riveting structure on the magnetic conductive sheet Two kinds of riveting processes can be used for the processing, that is, the first riveting process is used to process the first riveting part on the stator yoke, and the second riveting process is used to process the second riveting part on the stator teeth. At the same time, it can be used on the stator The third riveting part is processed on the yoke, which simplifies the processing process.

在一种可能的设计中，进一步地，第一铆接部的中心与第三铆接部的中心相对定子齿的中心线对称分布。In a possible design, further, the center of the first riveting part and the center of the third riveting part are distributed symmetrically with respect to the center line of the stator teeth.

在该设计中，第一铆接部和第三铆接部对称排布在定子轭上，使得定子轭位置处能够得到对称的铆接力，保证定子铁芯的整体精度，保证电机的效率。In this design, the first riveting part and the third riveting part are symmetrically arranged on the stator yoke, so that a symmetrical riveting force can be obtained at the position of the stator yoke, ensuring the overall precision of the stator core and the efficiency of the motor.

根据本申请的第二个方面，提供了一种电机，包括上述任一设计所提供的定子铁芯。According to a second aspect of the present application, a motor is provided, including the stator core provided by any of the above-mentioned designs.

本申请提供的电机，包括上述任一设计所提供的定子铁芯，因此具有该定子铁芯的全部有益效果，在此不再赘述。The motor provided by the present application includes the stator core provided by any of the above-mentioned designs, so it has all the beneficial effects of the stator core, and will not be repeated here.

在一种可能的设计中，进一步地，电机包括转子，转子位于定子铁芯的转子腔内并能够相对定子铁芯旋转。自定子铁芯的定子齿的中心线指向定子铁芯的第二铆接部的方向为偏离方向，其中，偏离方向与转子的旋转方向相反。In a possible design, further, the motor includes a rotor, which is located in the rotor chamber of the stator core and can rotate relative to the stator core. The direction from the center line of the stator teeth of the stator core to the second riveting portion of the stator core is the deviation direction, wherein the deviation direction is opposite to the rotation direction of the rotor.

在该设计中，电机还包括转子，转子容置于定子铁芯形成的转子腔内，转子与定子铁芯之间为间隙配合，转子能够相对于定子铁芯转动。其中，当第二铆接部偏离定子齿的中心线设置时，由定子的中心线指向第二铆接部的方向即为第二铆接部的偏离方向，偏离方向与转子的旋转方向相反，即当转子逆时针旋转时，则第二铆接部位于定子齿的中心线的顺时针一侧。In this design, the motor also includes a rotor. The rotor is accommodated in the rotor cavity formed by the stator core. The rotor and the stator core are in clearance fit, and the rotor can rotate relative to the stator core. Wherein, when the second riveting part is set away from the center line of the stator teeth, the direction from the center line of the stator to the second riveting part is the deviation direction of the second riveting part, and the deviation direction is opposite to the rotation direction of the rotor, that is, when the rotor When rotating counterclockwise, the second riveting part is located on the clockwise side of the centerline of the stator teeth.

根据本申请的第三个方面，提供了一种压缩机，包括上述任一设计所提供的电机。According to a third aspect of the present application, a compressor is provided, including the motor provided by any of the above-mentioned designs.

本申请提供的压缩机，包括上述任一设计所提供的电机，因此具有该电机的全部有益效果，在此不再赘述。The compressor provided by the present application includes the motor provided by any of the above-mentioned designs, so it has all the beneficial effects of the motor, and will not be repeated here.

根据本申请的第四个方面，提供了一种制冷设备，包括上述任一设计所提供的电机或压缩机。According to a fourth aspect of the present application, a refrigeration device is provided, including the motor or the compressor provided by any of the above-mentioned designs.

本申请提供的制冷设备，包括上述任一设计所提供的电机或压缩机，因此具有该电机或压缩机的全部有益效果，在此不再赘述。The refrigerating equipment provided by the present application includes the motor or compressor provided by any of the above-mentioned designs, so it has all the beneficial effects of the motor or compressor, and will not be repeated here.

本申请的附加方面和优点将在下面的描述部分中变得明显，或通过本申请的实践了解到。Additional aspects and advantages of the application will become apparent in the description which follows, or may be learned by practice of the application.

附图说明Description of drawings

本申请的上述和/或附加的方面和优点从结合下面附图对实施例的描述中将变得明显和容易理解，其中：The above and/or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, wherein:

图1示出了根据本申请的一个实施例中定子铁芯中导磁片的结构示意图；Fig. 1 shows a schematic structural view of a magnetically conductive sheet in a stator core according to an embodiment of the present application;

图2示出了根据本申请的一个实施例中定子铁芯的结构示意图；Fig. 2 shows a schematic structural view of a stator core according to an embodiment of the present application;

图3示出了根据本申请的另一个实施例中定子铁芯中导磁片的结构示意图；Fig. 3 shows a schematic structural view of a magnetically conductive sheet in a stator core according to another embodiment of the present application;

图4示出了根据本申请的又一个实施例中定子铁芯中导磁片的结构示意图；Fig. 4 shows a schematic structural diagram of a magnetically conductive sheet in a stator core according to yet another embodiment of the present application;

图5示出了根据本申请的再一个实施例中定子铁芯中导磁片的结构示意图；Fig. 5 shows a schematic structural view of a magnetically conductive sheet in a stator core according to yet another embodiment of the present application;

图6示出了根据本申请的一个实施例中导磁片上第二铆接部与定子齿中心线的距离与定子齿的损耗对比曲线图；Fig. 6 shows a comparison graph of the distance between the second riveted part on the magnetic conductive sheet and the center line of the stator tooth and the loss of the stator tooth according to an embodiment of the present application;

图7示出了根据本申请的一个实施例中电机的结构示意图；Fig. 7 shows a schematic structural diagram of a motor according to an embodiment of the present application;

图8示出了根据本申请的一个实施例中压缩机的结构示意图。Fig. 8 shows a schematic structural diagram of a compressor according to an embodiment of the present application.

附图标记：Reference signs:

100定子铁芯，100 stator core,

100a铁芯块，100b转子腔，100c导磁片，100a core block, 100b rotor cavity, 100c magnetic sheet,

110定子轭，111第一铆接部，112第三铆接部，110 stator yoke, 111 first riveting part, 112 third riveting part,

120定子齿，121第二铆接部，122齿根，123齿靴，120 stator teeth, 121 second riveting part, 122 tooth root, 123 tooth shoe,

200电机，200 motors,

210转子，211转子铁芯，212磁铁，210 rotor, 211 rotor core, 212 magnet,

220定子绕组，220 stator windings,

300压缩机，310动力部，320转轴。300 compressors, 310 power units, 320 rotating shafts.

具体实施方式Detailed ways

为了能够更清楚地理解本申请的上述目的、特征和优点，下面结合附图和具体实施方式对本申请进行进一步的详细描述。需要说明的是，在不冲突的情况下，本申请的实施例及实施例中的特征可以相互组合。In order to better understand the above-mentioned purpose, features and advantages of the present application, the present application will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

在下面的描述中阐述了很多具体细节以便于充分理解本申请，但是，本申请还可以采用其他不同于在此描述的其他方式来实施，因此，本申请的保护范围并不受下面公开的具体实施例的限制。In the following description, many specific details are set forth in order to fully understand the application, but the application can also be implemented in other ways different from those described here, therefore, the protection scope of the application is not limited by the specific details disclosed below. EXAMPLE LIMITATIONS.

下面参照图1至图8描述根据本申请一些实施例所提供的定子铁芯100、电机200、压缩机300和制冷设备。The following describes a stator core 100 , a motor 200 , a compressor 300 and refrigeration equipment according to some embodiments of the present application with reference to FIGS. 1 to 8 .

根据本申请的第一个方面，提供了一种定子铁芯100，如图1、图2、图3、图4和图5所示，其包括多个铁芯块100a，多个铁芯块100a拼接形成转子腔100b，多个铁芯块100a中每个铁芯块100a包括沿转子腔100b的轴向堆叠的多个导磁片100c，每个导磁片100c包括定子轭110和定子齿120，定子轭110上设有第一铆接部111，多个导磁片100c中在轴向上相邻的导磁片100c的第一铆接部111相连；定子齿120与定子轭110相连，定子齿120相对定子轭110靠近转子腔100b的中心设置，定子齿120上设有第二铆接部121，多个导磁片100c中在轴向上相邻的导磁片100c的第二铆接部121相连；其中，第一铆接部111的铆接结合力大于第二铆接部121的铆接结合力。According to the first aspect of the present application, a stator core 100 is provided, as shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, which includes a plurality of core blocks 100a, a plurality of core blocks 100a are spliced to form a rotor cavity 100b. Each core block 100a of the plurality of core blocks 100a includes a plurality of magnetically conductive sheets 100c stacked in the axial direction of the rotor cavity 100b. Each magnetically conductive sheet 100c includes a stator yoke 110 and stator teeth. 120, the stator yoke 110 is provided with a first riveting portion 111, and the first riveting portions 111 of the magnetically conductive sheets 100c adjacent to each other in the axial direction among the plurality of magnetic conductive sheets 100c are connected; the stator teeth 120 are connected with the stator yoke 110, and the stator The tooth 120 is arranged close to the center of the rotor cavity 100b relative to the stator yoke 110, and the stator tooth 120 is provided with a second riveting portion 121, and the second riveting portion 121 of the axially adjacent magnetic conductive sheet 100c among the plurality of magnetic conductive sheets 100c connected; wherein, the riveting force of the first riveting portion 111 is greater than that of the second riveting portion 121 .

本申请提供的定子铁芯100为分块铁芯，定子铁芯100包括多个铁芯块100a，多个铁芯块100a依次首尾拼接以形成一个整体的定子铁芯100，多个铁芯块100a拼接可以形成转子腔100b，转子腔100b用于容置电机200的转子210。其中，转子腔100b位于定子铁芯100的中部，也就是说，定子铁芯100可为外定子，转子210设在定子铁芯100的内侧。其中，转子腔100b沿轴向贯穿设置。每个铁芯块100a包括多个导磁片100c，多个导磁片100c沿轴向堆叠设置。也就是说，在定子铁芯100的生产制备过程中，铁芯块100a可以单独加工，之后再令多个铁芯块100a拼接组成定子铁芯100。对于每个导磁片100c而言，均具有相连的定子轭110和定子齿120，定子轭110相对定子齿120而言远离转子腔100b的中心设置，即定子轭110靠外，定子齿120靠内设置，多个定子轭110拼接能够构成定子铁芯100的外周缘。其中，定子轭110上设有第一铆接部111，定子齿120上设有第二铆接部121，对于一个铁芯块100a而言，多个导磁片100c在堆叠的过程中，在轴向上相邻的导磁片100c的定子轭110堆叠，即相邻定子轭110上的第一铆接部111铆接连接，在轴向上相邻的导磁片100c的定子齿120堆叠，即相邻定子齿120上的第二铆接部121铆接连接，也就是说，对于定子轭110和定子齿120分别设有相应的固定结构，从而可以确保导磁片100c整体的连接稳定性。进一步地，第一铆接部111和第二铆接部121各自的铆接结合力不同，即对于导磁片100c的不同位置处受力不同，从而设置相应的铆接结合力，即第一铆接部111和第二铆接部121为不同类型的铆接结构，使得多个导磁片100c堆叠后形成铁芯块100a的整体精度较高，确保后续定子铁芯100在电机200中的装配，提升电机200的可制造性能。The stator core 100 provided by the present application is a segmented iron core. The stator core 100 includes a plurality of iron core blocks 100a, and the plurality of iron core blocks 100a are sequentially spliced end to end to form an integral stator core 100. The plurality of iron core blocks 100a The splicing of 100a can form a rotor cavity 100b, and the rotor cavity 100b is used to accommodate the rotor 210 of the motor 200. Wherein, the rotor chamber 100b is located in the middle of the stator core 100, that is to say, the stator core 100 can be an outer stator, and the rotor 210 is arranged inside the stator core 100. Wherein, the rotor cavity 100b is arranged axially through. Each core block 100a includes a plurality of magnetically conductive sheets 100c, and the plurality of magnetically conductive sheets 100c are stacked in an axial direction. That is to say, during the production and preparation process of the stator core 100 , the core block 100 a can be processed separately, and then a plurality of core blocks 100 a can be spliced to form the stator core 100 . For each magnetically permeable sheet 100c, it has a connected stator yoke 110 and stator teeth 120, and the stator yoke 110 is arranged away from the center of the rotor cavity 100b relative to the stator teeth 120, that is, the stator yoke 110 is on the outside, and the stator teeth 120 are on the outside. The outer peripheral edge of the stator core 100 can be formed by splicing a plurality of stator yokes 110 . Wherein, the first riveting portion 111 is provided on the stator yoke 110, and the second riveting portion 121 is provided on the stator tooth 120. For one iron core block 100a, during the process of stacking a plurality of magnetically conductive sheets 100c, the The stator yokes 110 of the adjacent magnetic conductive sheets 100c are stacked, that is, the first riveting parts 111 on the adjacent stator yokes 110 are riveted and connected, and the stator teeth 120 of the adjacent magnetic conductive sheets 100c in the axial direction are stacked, that is, adjacent The second riveting portion 121 on the stator tooth 120 is connected by riveting, that is, the stator yoke 110 and the stator tooth 120 are respectively provided with corresponding fixing structures, so as to ensure the overall connection stability of the magnetic conductive sheet 100c. Further, the first riveting portion 111 and the second riveting portion 121 have different riveting forces, that is, different positions of the magnetic conductive sheet 100c are subjected to different forces, so that the corresponding riveting force is set, that is, the first riveting portion 111 and the second riveting portion 121 have different riveting forces. The second riveting part 121 is a different type of riveting structure, so that the overall precision of the iron core block 100a formed by stacking a plurality of magnetically conductive sheets 100c is high, ensuring the subsequent assembly of the stator core 100 in the motor 200, and improving the reliability of the motor 200. manufacturing performance.

本申请中通过在定子轭110、定子齿120处分别设置不同的第一铆接部111、第二铆接部121，从而使得固定结构与导磁片100c不同位置处的受力相适应，能够提升多个导磁片100c堆叠形成的铁芯块100a的整体精度，进而确保定子铁芯100的整体精度，提升电机200的可制造性能。In this application, different first riveting parts 111 and second riveting parts 121 are respectively provided at the stator yoke 110 and the stator teeth 120, so that the fixing structure can adapt to the force at different positions of the magnetic permeable sheet 100c, and it can improve multiple The overall accuracy of the iron core block 100a formed by stacking the magnetic permeable sheets 100c ensures the overall accuracy of the stator core 100 and improves the manufacturability of the motor 200.

其中，需要说明的是，第一铆接部111与第二铆接部121的铆接结合力不同，单个第一铆接部111的铆接力与单个第二铆接部121的铆接力不同。Wherein, it should be noted that the riveting force of the first riveting portion 111 and the second riveting portion 121 are different, and the riveting force of a single first riveting portion 111 is different from the riveting force of a single second riveting portion 121 .

进一步地，第一铆接部111的铆接结合力大于第二铆接部121的铆接结合力。Further, the riveting bonding force of the first riveting portion 111 is greater than the riveting bonding force of the second riveting portion 121 .

在该实施例中，位于定子轭110处的第一铆接部111的铆接结合力，大于位于定子齿120处的第二铆接部121的铆接结合力，由于定子轭110 相对定子齿120而言靠外设置，当第一铆接部111的铆接结合力大于第二铆接部121的铆接结合力时，则能够有效保证整个定子铁芯100在圆周方向上的尺寸精度，从而确保了多个铁芯块100a拼接形成完整定子铁芯100后的精度，确保定子铁芯100在电机200内的可装配性能。In this embodiment, the riveting bonding force of the first riveting part 111 located at the stator yoke 110 is greater than the riveting bonding force of the second riveting part 121 located at the stator tooth 120, because the stator yoke 110 is closer to the stator tooth 120 When the riveting bonding force of the first riveting part 111 is greater than the riveting bonding force of the second riveting part 121, the dimensional accuracy of the entire stator core 100 in the circumferential direction can be effectively guaranteed, thereby ensuring that multiple core blocks The accuracy of splicing 100a to form a complete stator core 100 ensures the assemblability of the stator core 100 in the motor 200 .

需要说明的是，为了获得第一铆接部111和第二铆接部121的铆接结合力不同，可以对第一铆接部111、第二铆接部121的铆接深度、铆接面积等参数进行调整。It should be noted that, in order to obtain different riveting bonding forces between the first riveting portion 111 and the second riveting portion 121 , parameters such as riveting depth and riveting area of the first riveting portion 111 and the second riveting portion 121 may be adjusted.

其中，关于第一铆接部111和第二铆接部121的铆接结合力的测定方式，可以将定子铁芯100进行切割，形成轭部铁芯块和齿部铁芯块，然后再分别对轭部铁芯块、齿部铁芯块中的多个导磁片进行铆接力测定。Wherein, regarding the measurement method of the riveting bonding force of the first riveting part 111 and the second riveting part 121, the stator core 100 can be cut to form a yoke core block and a tooth core block, and then the yoke parts The riveting force of the iron core block and multiple magnetic conductive sheets in the tooth core block is measured.

针对于轭部铁芯块而言，将轭部铁芯块固定放置于平台上，轭部铁芯块沿轴向方向划分为底部铁芯和顶部铁芯，底部铁芯与平台固定连接。然后再令拉力机与顶部铁芯固定连接，拉力机启动后能够带动顶部铁芯朝向竖直向上的方向移动，当顶部铁芯和底部铁芯分离时，拉力机上会测定出二者分离瞬间所采用的拉拔力，拉拔力即为底部铁芯和顶部铁芯之间，在轴向上相邻的导磁片之间第一铆接部之间的铆接结合力。对于齿部铁芯块而言，其相邻两个导磁片上第二铆接部之间的铆接结合力采用同样的方式取得。For the yoke core block, the yoke core block is fixedly placed on the platform, the yoke core block is divided into a bottom core and a top core along the axial direction, and the bottom core is fixedly connected to the platform. Then connect the tension machine to the top iron core. After the tension machine is started, it can drive the top iron core to move vertically upward. When the top iron core and the bottom iron core are separated, the tension machine will measure the moment of separation The pulling force used is the riveting bonding force between the first riveting parts between the bottom iron core and the top iron core, and between the axially adjacent magnetic conductive sheets. For the tooth core block, the riveting bonding force between the second riveting parts on two adjacent magnetic conductive pieces is obtained in the same way.

进一步地，如图1所示，定子轭110包括位于轴向端面上的轭内缘线E1和轭外缘线E2，轭内缘线E1相对于轭外缘线E2靠近转子腔100b设置，轭内缘线E1和轭外缘线E2之间具有轭分界线E3，第一铆接部111位于轭外缘线E2和轭分界线E3之间。其中，轭内缘线E1和轭分界线E3之间的距离为X，在平行于定子齿120的中心线O的方向，定子轭110的最小宽度为Y，满足，X≤0.4Y。Further, as shown in FIG. 1 , the stator yoke 110 includes a yoke inner edge line E1 and a yoke outer edge line E2 located on the axial end surface. There is a yoke boundary line E3 between the inner edge line E1 and the yoke outer edge line E2, and the first riveting portion 111 is located between the yoke outer edge line E2 and the yoke boundary line E3. Wherein, the distance between the yoke inner edge line E1 and the yoke boundary line E3 is X, and the minimum width of the stator yoke 110 is Y in a direction parallel to the centerline O of the stator teeth 120, satisfying X≤0.4Y.

在该实施例中，定子轭110包括轭内缘线E1和轭外缘线E2，其中，轭内缘线E1和轭外缘线E2位于同一平面内，该平面为垂直于轴向的平面。轭内缘线E1朝向转子腔100b的中心设置，轭内缘线E1的一部分与定子齿120接触，对于定子轭110而言，其具有朝向定子齿120的轭内缘面，定子齿120的一部分设在轭内缘面上，轭内缘线E1位于轭内缘面内。当轭内缘面为轴向延伸的平面时，则轭内缘线E1为直线。第一铆接部111位于轭分界线E3背离转子腔100b的一侧，即第一铆接部111位于轭分界线E3的外侧。此时，对于轭分界线E3的确定与定子轭110的最小宽度相关联，当定子轭110的最小宽度为Y时，则轭内缘线E1和轭分界线E3之间的距离为X，且二者满足上述关系，轭内缘线E1和轭分界线E3在轴向端面内相平行，即将轭内缘线E1朝外平移0.4Y距离后即可得到轭分界线E3，第一铆接部111位于定子轭110上靠外的位置，从而能够对外周圆处的精度进一步把握，确保最终铁芯块100a的精度。In this embodiment, the stator yoke 110 includes a yoke inner edge line E1 and a yoke outer edge line E2 , wherein the yoke inner edge line E1 and the yoke outer edge line E2 are located in the same plane, which is a plane perpendicular to the axial direction. The yoke inner edge line E1 is set toward the center of the rotor cavity 100b, a part of the yoke inner edge line E1 is in contact with the stator tooth 120, and for the stator yoke 110, it has a yoke inner edge surface facing the stator tooth 120, and a part of the stator tooth 120 The yoke inner edge line E1 is located on the inner edge surface of the yoke. When the yoke inner edge surface is a plane extending in the axial direction, the yoke inner edge line E1 is a straight line. The first riveting portion 111 is located on a side of the yoke boundary line E3 away from the rotor chamber 100b, that is, the first riveting portion 111 is located outside the yoke boundary line E3. At this time, the determination of the yoke boundary line E3 is associated with the minimum width of the stator yoke 110. When the minimum width of the stator yoke 110 is Y, the distance between the yoke inner edge line E1 and the yoke boundary line E3 is X, and The two satisfy the above relationship, the yoke inner edge line E1 and the yoke boundary line E3 are parallel to the axial end surface, that is, the yoke inner edge line E1 can be translated outward by a distance of 0.4Y to obtain the yoke boundary line E3, and the first riveting part 111 It is located at the outer position on the stator yoke 110, so that the accuracy of the outer circumference can be further grasped to ensure the accuracy of the final iron core block 100a.

需要说明的是，定子轭110类似于弧形结构，多个弧形结构的定子轭110拼接后呈圆环状，定子轭110的宽度方向为平行于定子齿120的中心线O的方向。It should be noted that the stator yoke 110 is similar to an arc structure, and multiple arc-shaped stator yokes 110 are spliced to form a ring shape, and the width direction of the stator yoke 110 is parallel to the center line O of the stator tooth 120 .

换而言之，在定子轭110的最小宽度为Y时，将靠近转子腔100b的中心的轭内缘线E1向轭外缘线E2的方向平移0.4Y从而获得轭分界线E3，而第一铆接部111设在轭分界线E3和轭外缘线E2所形成的区域内。In other words, when the minimum width of the stator yoke 110 is Y, the yoke boundary line E3 is obtained by translating the yoke inner edge line E1 close to the center of the rotor cavity 100b in the direction of the yoke outer edge line E2 by 0.4Y, and the first The riveting portion 111 is provided in a region formed by the yoke boundary line E3 and the yoke outer edge line E2.

进一步地，如图1、图2、图3、图4、图5、图6和图7所示，第二铆接部121的中心点偏离定子齿120的中心线O设置。Further, as shown in FIG. 1 , FIG. 2 , FIG. 3 , FIG. 4 , FIG. 5 , FIG. 6 and FIG. 7 , the center point of the second riveting portion 121 is set away from the center line O of the stator tooth 120 .

在该实施例中，位于定子齿120上的第二铆接部121的中心点避开定子齿120的中心线O设置，即第二铆接部121在定子齿120上偏心设置，从而能够保证齿部的损耗最小化，在保证电机200精度优良的情况下，获得最少的电机200损耗，保证电机200较小的电磁效率衰减程度。In this embodiment, the center point of the second riveting part 121 on the stator tooth 120 is set away from the center line O of the stator tooth 120, that is, the second riveting part 121 is eccentrically arranged on the stator tooth 120, so that the teeth can be guaranteed The loss of the motor 200 is minimized, and the minimum loss of the motor 200 is obtained under the condition that the precision of the motor 200 is ensured to ensure a small degree of attenuation of the electromagnetic efficiency of the motor 200.

需要说明的是，如果在定子齿120的中心线O处设置铆接结构，那么会导致电机200涡流损耗增大，降低电机200效率。而本申请令第二铆接部121偏离定子齿120的中心线O设置，不仅能够实现固定连接的作用，还能够尽可能地降低涡流损耗，保证电机200的效率。It should be noted that if a riveting structure is provided at the center line O of the stator teeth 120 , it will increase the eddy current loss of the motor 200 and reduce the efficiency of the motor 200 . However, in the present application, the second riveting part 121 is arranged away from the center line O of the stator tooth 120 , which not only achieves the function of fixed connection, but also reduces the eddy current loss as much as possible to ensure the efficiency of the motor 200 .

其中，转子腔100b具有中心轴线，定子齿120的中心线O穿过转子腔100b中心轴线。Wherein, the rotor chamber 100b has a central axis, and the centerline O of the stator teeth 120 passes through the central axis of the rotor chamber 100b.

进一步地，如图1、图3、图4和图5所示，定子齿120包括齿根122和齿靴123，齿根122的第一端与定子轭110相连，齿靴123设在齿根122的第二端，其中，齿根122的中心对称线为定子齿120的中心线O，第二铆接部121设在齿根122上。Further, as shown in Fig. 1, Fig. 3, Fig. 4 and Fig. 5, the stator tooth 120 includes a tooth root 122 and a tooth shoe 123, the first end of the tooth root 122 is connected with the stator yoke 110, and the tooth shoe 123 is arranged at the tooth root 122 , wherein the center line of symmetry of the tooth root 122 is the center line O of the stator tooth 120 , and the second riveting portion 121 is provided on the tooth root 122 .

在该实施例中，定子齿120包括齿根122和齿靴123，齿根122呈规则状，比如矩形。齿根122的第一端与定子轭110相连，齿根122的第二端设有齿靴123。定子绕组220主要绕设在齿根122上，周向向相邻的定子齿120形成绕线槽，齿靴123位于绕线槽的槽口处，齿靴123能够防止定子绕组220从绕线槽内脱出。穿过转子腔100b的中心轴线的齿根122中心对称线即为定子齿120的中心线O。第二铆接部121设在齿根122上，齿根122面积大于齿靴123，可以为第二铆接部121提供多种可选位置，提升第二铆接部121的设置灵活性、自由度更高。而且，将第二铆接部121设在齿根122上，避免第二铆接部121和第一铆接部111相隔过远，通过设置轭部分界线，也能够防止第一铆接部111、第二铆接部121过于靠近，令第一铆接部111和第二铆接部121以适合的距离分布在定子轭110和定子齿120上，从而可以为导磁片100c整体提供可靠的连接性。In this embodiment, the stator tooth 120 includes a tooth root 122 and a tooth shoe 123, and the tooth root 122 is in a regular shape, such as a rectangle. The first end of the tooth root 122 is connected with the stator yoke 110 , and the second end of the tooth root 122 is provided with a tooth shoe 123 . The stator winding 220 is mainly wound on the tooth root 122, and the circumferentially adjacent stator teeth 120 form a winding slot, and the tooth shoe 123 is located at the notch of the winding slot, and the tooth shoe 123 can prevent the stator winding 220 from winding the slot. Inner prolapse. The central symmetry line of the dedendum 122 passing through the central axis of the rotor cavity 100 b is the central line O of the stator tooth 120 . The second riveting part 121 is set on the tooth root 122, and the area of the tooth root 122 is larger than that of the tooth shoe 123, which can provide a variety of optional positions for the second riveting part 121, improving the flexibility and freedom of setting the second riveting part 121 . Moreover, the second riveting portion 121 is arranged on the dedendum 122 to avoid the distance between the second riveting portion 121 and the first riveting portion 111. By setting the boundary line of the yoke, it is also possible to prevent the first riveting portion 111 and the second riveting portion from being separated from each other. 121 are too close, so that the first riveting portion 111 and the second riveting portion 121 are distributed on the stator yoke 110 and the stator teeth 120 at an appropriate distance, so as to provide reliable connection for the magnetic permeable sheet 100c as a whole.

值得说明的是，齿靴123的数量为两个，两个齿靴123分布在齿根122的不同侧，一个齿靴123位于齿根122周向上一侧，另一个齿靴123位于齿根122周向上另一侧，两个齿靴123可以相对于齿根122的中心对称线对称分布，提升定子铁芯100整体的对称性，进而可以确保电机200效率。It is worth noting that there are two tooth shoes 123, and the two tooth shoes 123 are distributed on different sides of the tooth root 122, one tooth shoe 123 is located on the circumferential side of the tooth root 122, and the other tooth shoe 123 is located on the tooth root 122 On the other side in the circumferential direction, the two tooth shoes 123 can be symmetrically distributed with respect to the central symmetry line of the tooth root 122 , so as to improve the overall symmetry of the stator core 100 , thereby ensuring the efficiency of the motor 200 .

进一步地，如图1所示，在垂直于定子齿120的中心线O的方向上，齿根122的宽度为M，第二铆接部121的中心点与齿根122的中心对称线之间的距离为N，其中，0.01M≤N≤0.4M。Further, as shown in FIG. 1 , in a direction perpendicular to the center line O of the stator tooth 120 , the width of the tooth root 122 is M, and the distance between the center point of the second riveting part 121 and the center line of symmetry of the tooth root 122 The distance is N, where 0.01M≤N≤0.4M.

在该实施例中，在垂直于定子齿120的中心线O的方向上，齿根122的宽度为M，即定子轭110的宽度方向与齿根122的宽度方向不同，导磁片100c整体呈类似“T”型。第二铆接部121的具***置与齿根122的宽度相关联，尽管第二铆接部121偏离齿根122的中心对称线设置，然而，第二铆接部121的中心点与齿根122的中心对称线具有前述关系，即第二铆接部121可以在一定范围内偏离齿根122的中心对称设置，从而才能保证定子齿120的最小化损耗，在保证电机200精度优良的情况下，有效降低电机200的损耗。如果第二铆接部121远离齿根122的中心对称线设在齿根122的边缘处，则第二铆接部121无法为定子齿120位置处提供有效的连接作用，同时也无法减小损耗。In this embodiment, in the direction perpendicular to the centerline O of the stator teeth 120, the width of the dedendum 122 is M, that is, the width direction of the stator yoke 110 is different from the width direction of the dedendum 122, and the magnetically conductive sheet 100c as a whole has the shape Similar to a "T" shape. The specific position of the second riveting portion 121 is associated with the width of the dedendum 122, although the second riveting portion 121 is disposed away from the central symmetry line of the dedendum 122, however, the center point of the second riveting portion 121 is symmetrical to the center of the dedendum 122 The line has the aforementioned relationship, that is, the second riveting part 121 can be deviated from the center of the dedendum 122 within a certain range and symmetrically arranged, so as to ensure the minimum loss of the stator teeth 120, and effectively reduce the motor 200 under the condition of ensuring excellent precision of the motor 200. loss. If the second riveting portion 121 is located at the edge of the tooth root 122 away from the center line of symmetry of the tooth root 122, the second riveting portion 121 cannot provide an effective connection for the position of the stator teeth 120, and at the same time cannot reduce loss.

需要说明的是，第二铆接部121在齿根122的长度方向上设在齿根122的中部位置，从而能够令齿根122处获得较为均匀的受力，提升结构稳定性。It should be noted that, the second riveting portion 121 is disposed at the middle of the tooth root 122 in the length direction of the tooth root 122 , so that the force on the tooth root 122 can be relatively uniform and the structural stability can be improved.

进一步地，如图1、图3、图4和图5所示，第一铆接部111的数量为多个，多个第一铆接部111分布在定子齿120的中心线O的不同侧。Further, as shown in FIG. 1 , FIG. 3 , FIG. 4 and FIG. 5 , there are multiple first riveting portions 111 , and the multiple first riveting portions 111 are distributed on different sides of the central line O of the stator teeth 120 .

在该实施例中，定子轭110上的第一铆接部111的数量为多个，多个第一铆接部111分布在定子齿120的中心线O的不同侧，由于第二铆接部121靠近定子齿120的中心线O设置，则多个第一铆接部111和第二铆接部121能够形成多边形，比如，三角形、四边形等，可以令导磁片100c所受到的铆接作用更加均匀化。In this embodiment, there are multiple first riveting parts 111 on the stator yoke 110, and the multiple first riveting parts 111 are distributed on different sides of the central line O of the stator teeth 120. Since the second riveting part 121 is close to the stator If the center line O of the tooth 120 is set, the plurality of first riveting parts 111 and second riveting parts 121 can form polygons, such as triangles, quadrilaterals, etc., which can make the riveting effect on the magnetic conductive sheet 100c more uniform.

具体而言，当第一铆接部111的数量为2个时，一个第一铆接部111设在定子齿120的中心线O的一侧，另一个第一铆接部111和第二铆接部121设在定子齿120的中心线O的另一侧，则三者可以构成稳定三角形，三角形区域占据整个导磁片100c的中心区域，此时，导磁片100c所受到的铆接力更加稳定有效。Specifically, when the number of first riveting parts 111 is two, one first riveting part 111 is arranged on one side of the centerline O of the stator tooth 120, and the other first riveting part 111 and second riveting part 121 are arranged On the other side of the center line O of the stator teeth 120, the three can form a stable triangle, and the triangle area occupies the central area of the entire magnetic conductive sheet 100c. At this time, the riveting force received by the magnetic conductive sheet 100c is more stable and effective.

进一步地，如图1、图3、图4和图5所示，多个第一铆接部111沿定子齿120的中心线O对称分布。Further, as shown in FIG. 1 , FIG. 3 , FIG. 4 and FIG. 5 , a plurality of first riveting portions 111 are distributed symmetrically along the center line O of the stator tooth 120 .

在该实施例中，多个第一铆接部111对称排布在定子轭110上，使得定子轭110位置处能够得到对称的铆接力，保证定子铁芯100的整体精度，保证电机200的效率。In this embodiment, a plurality of first riveting parts 111 are symmetrically arranged on the stator yoke 110 , so that a symmetrical riveting force can be obtained at the position of the stator yoke 110 , ensuring the overall precision of the stator core 100 and ensuring the efficiency of the motor 200 .

进一步地，如图1、图3、图4和图5所示，定子轭110上还设有第三铆接部112，第一铆接部111和第三铆接部112分布在定子齿120的中心线O的不同侧。Further, as shown in FIG. 1 , FIG. 3 , FIG. 4 and FIG. 5 , the stator yoke 110 is also provided with a third riveting portion 112 , and the first riveting portion 111 and the third riveting portion 112 are distributed on the center line of the stator teeth 120 Different sides of O.

在该实施例中，导磁片100c上设有第一铆接部111、第二铆接部121和第三铆接部112，第一铆接部111和第三铆接部112能够为定子轭110提供可靠的连接性能，第二铆接部121为定子齿120提供可靠连接性能。由于第三铆接部112和第一铆接部111分布在定子齿120的中心线的不同侧，那么第一铆接部111、第二铆接部121和第三铆接部112可以形成稳定三角形，三角形区域占据整个导磁片100c的中心区域，此时，导磁片100c所受到的铆接力更加稳定有效。其中，第三铆接部112的铆接结合力大于等于第一铆接部111的铆接结合力。In this embodiment, a first riveting portion 111 , a second riveting portion 121 and a third riveting portion 112 are provided on the magnetic conductive sheet 100c, and the first riveting portion 111 and the third riveting portion 112 can provide the stator yoke 110 with a reliable Connection performance, the second riveting portion 121 provides reliable connection performance for the stator teeth 120 . Since the third riveting portion 112 and the first riveting portion 111 are distributed on different sides of the center line of the stator teeth 120, the first riveting portion 111, the second riveting portion 121 and the third riveting portion 112 can form a stable triangle, and the triangular area occupies In the central area of the entire magnetic conductive sheet 100c, at this time, the riveting force received by the magnetic conductive sheet 100c is more stable and effective. Wherein, the riveting bonding force of the third riveting portion 112 is greater than or equal to the riveting bonding force of the first riveting portion 111 .

进一步地，第三铆接部112的铆接结合力与第二铆接部121的铆接结合力相同。Further, the riveting force of the third riveting portion 112 is the same as that of the second riveting portion 121 .

在该实施例中，当第三铆接部112的铆接结合力与第二铆接部121的铆接结合力相等时，则第三铆接部112和第二铆接部121可以采用同一铆接工艺制备，即对于导磁片100c上铆接结构的加工，可以采用两种铆接工艺，即第一种铆接工艺用于在定子轭110上加工第一铆接部111，第二种铆接工艺用于在定子齿120上加工第二铆接部121，同时，可以在定子轭110上加工第三铆接部112，简化加工过程。In this embodiment, when the riveting bonding force of the third riveting portion 112 is equal to the riveting bonding force of the second riveting portion 121, the third riveting portion 112 and the second riveting portion 121 can be prepared by the same riveting process, that is, for The processing of the riveting structure on the magnetic conductive sheet 100c can adopt two riveting processes, that is, the first riveting process is used to process the first riveting part 111 on the stator yoke 110, and the second riveting process is used to process the stator teeth 120. The second riveting portion 121 and the third riveting portion 112 can be processed on the stator yoke 110 at the same time, which simplifies the processing process.

进一步地，第一铆接部111的中心与第三铆接部112的中心相对定子齿120的中心线O对称分布。Further, the center of the first riveting portion 111 and the center of the third riveting portion 112 are distributed symmetrically with respect to the center line O of the stator tooth 120 .

在该实施例中，第一铆接部111和第三铆接部112对称排布在定子轭110上，使得定子轭110位置处能够得到对称的铆接力，保证定子铁芯100的整体精度，保证电机200的效率。In this embodiment, the first riveting part 111 and the third riveting part 112 are symmetrically arranged on the stator yoke 110, so that a symmetrical riveting force can be obtained at the position of the stator yoke 110, ensuring the overall precision of the stator core 100 and ensuring the 200 efficiency.

根据本申请的第二个方面，提供了一种电机200，如图7所示，包括上述任一设计所提供的定子铁芯100。According to the second aspect of the present application, a motor 200 is provided, as shown in FIG. 7 , comprising the stator core 100 provided by any of the above designs.

本申请提供的电机200，包括上述任一设计所提供的定子铁芯100，因此具有该定子铁芯100的全部有益效果，在此不再赘述。The motor 200 provided in the present application includes the stator core 100 provided by any of the above-mentioned designs, so it has all the beneficial effects of the stator core 100 and will not be repeated here.

进一步地，电机200包括转子210，转子210位于定子铁芯100的转子腔100b内并能够相对定子铁芯100旋转。自定子铁芯100的定子齿120的中心线O指向定子铁芯100的第二铆接部121的方向为偏离方向，其中，偏离方向与转子210的旋转方向相反。Further, the motor 200 includes a rotor 210 , the rotor 210 is located in the rotor chamber 100 b of the stator core 100 and can rotate relative to the stator core 100 . The direction from the centerline O of the stator teeth 120 of the stator core 100 to the second riveting portion 121 of the stator core 100 is a direction of deviation, wherein the direction of deviation is opposite to the rotation direction of the rotor 210 .

在该实施例中，电机200还包括转子210，转子210容置于定子铁芯100形成的转子腔100b内，转子210与定子铁芯100之间为间隙配合，转子210能够相对于定子铁芯100转动。其中，当第二铆接部121偏离定子齿120的中心线O设置时，由定子齿120的中心线O指向第二铆接部121的方向即为第二铆接部121的偏离方向，偏离方向与转子210的旋转方向相反，即当转子210逆时针旋转时，则第二铆接部121位于定子齿120的中心线的顺时针一侧。In this embodiment, the motor 200 also includes a rotor 210, the rotor 210 is accommodated in the rotor chamber 100b formed by the stator core 100, the rotor 210 and the stator core 100 are clearance fit, and the rotor 210 can be relative to the stator core 100b. 100 turns. Wherein, when the second riveting portion 121 is set away from the center line O of the stator tooth 120, the direction from the center line O of the stator tooth 120 to the second riveting portion 121 is the deviation direction of the second riveting portion 121, and the deviation direction is the same as that of the rotor The rotation direction of the rotor 210 is opposite, that is, when the rotor 210 rotates counterclockwise, the second riveting portion 121 is located on the clockwise side of the center line of the stator tooth 120 .

其中，转子210包括转子铁芯211和嵌设在转子铁芯211内的磁铁212。Wherein, the rotor 210 includes a rotor core 211 and a magnet 212 embedded in the rotor core 211 .

根据本申请的第三个方面，如图8所示，提供了一种压缩机300，包括上述任一设计所提供的电机200。According to a third aspect of the present application, as shown in FIG. 8 , a compressor 300 is provided, including the motor 200 provided by any of the above-mentioned designs.

本申请提供的压缩机300，包括上述任一设计所提供的电机200，因此具有该电机200的全部有益效果，在此不再赘述。The compressor 300 provided in the present application includes the motor 200 provided by any of the above-mentioned designs, and therefore has all the beneficial effects of the motor 200 , which will not be repeated here.

其中，压缩机300还包括转轴320和动力部310，转轴320穿设于转子210中，转轴320与转子210配合连接，动力部310与转轴320连接，动力部310被配置为带动转轴320转动，进而带动转子210转动。Wherein, the compressor 300 further includes a rotating shaft 320 and a power part 310, the rotating shaft 320 is penetrated in the rotor 210, the rotating shaft 320 is connected with the rotor 210, the power part 310 is connected with the rotating shaft 320, and the power part 310 is configured to drive the rotating shaft 320 to rotate, Then the rotor 210 is driven to rotate.

本申请提供的定子铁芯100为分块铁芯，定子铁芯100包括多个铁芯块100a，多个铁芯块100a依次首尾拼接以形成一个整体的定子铁芯100，多个铁芯块100a拼接可以形成转子腔100b，转子腔100b用于容置电机200的转子210。其中，转子腔100b位于定子铁芯100的中部，也就是说，定子铁芯100可为外定子，转子210设在定子铁芯100的内侧。其中，转子腔100b沿轴向贯穿设置。每个铁芯块100a包括多个导磁片100c，多个导磁片100c沿轴向堆叠设置。也就是说，在定子铁芯100的生产制备过程中，铁芯块100a可以单独加工，之后再令多个铁芯块100a拼接组成定子铁芯100。对于每个导磁片100c而言，均具有相连的定子轭110和定子齿120，定子轭110相对定子齿120而言远离转子腔100b的中心设置，即定子轭110靠外，定子齿120靠内设置，多个定子轭110拼接能够构成定子铁芯100的外周缘。其中，定子轭110上设有第一铆接部111，定子齿120上设有第二铆接部121，对于一个铁芯块100a而言，多个导磁片100c在堆叠的过程中，在轴向上相邻的导磁片100c的定子轭110堆叠，即相邻定子轭110上的第一铆接部111铆接连接，在轴向上相邻的导磁片100c的定子齿120堆叠，即相邻定子齿120上的第二铆接部121铆接连接，也就是说，对于定子轭110和定子齿120分别设有相应的固定结构，从而可以确保导磁片100c整体的连接稳定性。进一步地，第一铆接部111和第二铆接部121各自的铆接结合力不同，即对于导磁片100c的不同位置处受力不同，从而设置相应的铆接结合力，即第一铆接部111和第二铆接部121为不同类型的铆接结构，使得多个导磁片100c堆叠后形成铁芯块100a的整体精度较高，确保后续定子铁芯100在电机200中的装配，提升电机200的可制造性能。The stator core 100 provided by the present application is a segmented iron core. The stator core 100 includes a plurality of iron core blocks 100a, and the plurality of iron core blocks 100a are sequentially spliced end to end to form an integral stator core 100. The plurality of iron core blocks 100a The splicing of 100a can form a rotor chamber 100b, and the rotor chamber 100b is used to accommodate the rotor 210 of the motor 200. Wherein, the rotor chamber 100 b is located in the middle of the stator core 100 , that is, the stator core 100 may be an outer stator, and the rotor 210 is disposed inside the stator core 100 . Wherein, the rotor cavity 100b is arranged axially through. Each core block 100a includes a plurality of magnetically conductive sheets 100c, and the plurality of magnetically conductive sheets 100c are stacked in an axial direction. That is to say, during the production and preparation process of the stator core 100 , the core block 100 a can be processed separately, and then a plurality of core blocks 100 a can be spliced to form the stator core 100 . For each magnetically permeable sheet 100c, it has a connected stator yoke 110 and stator teeth 120, and the stator yoke 110 is arranged away from the center of the rotor cavity 100b relative to the stator teeth 120, that is, the stator yoke 110 is on the outside, and the stator teeth 120 are on the outside. The outer periphery of the stator core 100 can be formed by splicing a plurality of stator yokes 110 . Wherein, the first riveting portion 111 is provided on the stator yoke 110, and the second riveting portion 121 is provided on the stator tooth 120. For one iron core block 100a, during the process of stacking a plurality of magnetically conductive sheets 100c, the The stator yokes 110 of the adjacent magnetic conductive sheets 100c are stacked, that is, the first riveting parts 111 on the adjacent stator yokes 110 are riveted and connected, and the stator teeth 120 of the adjacent magnetic conductive sheets 100c in the axial direction are stacked, that is, adjacent The second riveting portion 121 on the stator tooth 120 is connected by riveting, that is, the stator yoke 110 and the stator tooth 120 are respectively provided with corresponding fixing structures, so as to ensure the overall connection stability of the magnetic conductive sheet 100c. Further, the first riveting portion 111 and the second riveting portion 121 have different riveting forces, that is, different positions of the magnetic conductive sheet 100c are subjected to different forces, so that the corresponding riveting force is set, that is, the first riveting portion 111 and the second riveting portion 121 have different riveting forces. The second riveting part 121 is a different type of riveting structure, so that the overall precision of the iron core block 100a formed by stacking a plurality of magnetically conductive sheets 100c is high, ensuring the subsequent assembly of the stator iron core 100 in the motor 200 and improving the reliability of the motor 200. manufacturing performance.

进一步地，位于定子轭110处的第一铆接部111的铆接结合力，大于位于定子齿120处的第二铆接部121的铆接结合力，由于定子轭110相对定子齿120而言靠外设置，当第一铆接部111的铆接结合力大于第二铆接部121的铆接结合力时，则能够有效保证整个定子铁芯100在圆周方向上的尺寸精度，从而确保了多个铁芯块100a拼接形成完整定子铁芯100后的精度，确保定子铁芯100在电机200内的可装配性能。Further, the riveting bonding force of the first riveting part 111 located at the stator yoke 110 is greater than the riveting bonding force of the second riveting part 121 located at the stator tooth 120, since the stator yoke 110 is arranged outside relative to the stator tooth 120, When the riveting bonding force of the first riveting portion 111 is greater than that of the second riveting portion 121, the dimensional accuracy of the entire stator core 100 in the circumferential direction can be effectively ensured, thereby ensuring that multiple core blocks 100a are spliced to form The precision after completing the stator core 100 ensures the assemblability of the stator core 100 in the motor 200 .

进一步地，如图1所示，定子轭110包括轭内缘线E1和轭外缘线E2，其中，轭内缘线E1和轭外缘线E2位于同一平面内，该平面为垂直于轴向的平面。轭内缘线E1朝向转子腔100b的中心设置，轭内缘线E1的一部分与定子齿120接触，对于定子轭110而言，其具有朝向定子齿120的轭内缘面，定子齿120的一部分设在轭内缘面上，轭内缘线E1位于轭内缘面内。当轭内缘面为轴向延伸的平面时，则轭内缘线E1为直线。第一铆接部111位于轭分界线E3背离转子腔100b的一侧，即第一铆接部111位于轭分界线E3的外侧。此时，对于轭分界线E3的确定与定子轭110的最小宽度相关联，当定子轭110的最小宽度为Y时，则轭内缘线E1和轭分界线E3之间的距离为X，且二者满足上述关系，轭内缘线E1和轭分界线E3在轴向端面内相平行，即将轭内缘线E1朝外平移0.4Y距离后即可得到轭分界线E3，第一铆接部111位于定子轭110上靠外的位置，从而能够对外周圆处的精度进一步把握，确保最终铁芯块100a的精度。Further, as shown in FIG. 1, the stator yoke 110 includes a yoke inner edge line E1 and a yoke outer edge line E2, wherein the yoke inner edge line E1 and the yoke outer edge line E2 are located in the same plane, and the plane is perpendicular to the axial direction. plane. The yoke inner edge line E1 is set toward the center of the rotor cavity 100b, a part of the yoke inner edge line E1 is in contact with the stator tooth 120, and for the stator yoke 110, it has a yoke inner edge surface facing the stator tooth 120, and a part of the stator tooth 120 The yoke inner edge line E1 is located on the inner edge surface of the yoke. When the inner edge surface of the yoke is a plane extending axially, the inner edge line E1 of the yoke is a straight line. The first riveting portion 111 is located on a side of the yoke boundary line E3 away from the rotor chamber 100b, that is, the first riveting portion 111 is located outside the yoke boundary line E3. At this time, the determination of the yoke boundary line E3 is associated with the minimum width of the stator yoke 110. When the minimum width of the stator yoke 110 is Y, the distance between the yoke inner edge line E1 and the yoke boundary line E3 is X, and The two satisfy the above relationship, the yoke inner edge line E1 and the yoke boundary line E3 are parallel to the axial end surface, that is, the yoke inner edge line E1 can be translated outward by a distance of 0.4Y to obtain the yoke boundary line E3, and the first riveting part 111 It is located on the outer side of the stator yoke 110, so that the accuracy of the outer circumference can be further grasped to ensure the accuracy of the final core block 100a.

需要说明的是，定子轭110类似于弧形结构，多个弧形结构的定子轭110拼接后呈圆环状，定子轭110的宽度方向为平行于定子齿120的中心线O的方向。It should be noted that the stator yoke 110 is similar to an arc structure, and multiple arc-shaped stator yokes 110 are spliced to form a ring shape, and the width direction of the stator yoke 110 is parallel to the center line O of the stator teeth 120 .

进一步地，如图1、图2、图3、图4、图5、图6和图7所示，位于定子齿120上的第二铆接部121的中心点避开定子齿120的中心线O设置，即第二铆接部121在定子齿120上偏心设置，从而能够保证齿部的损耗最小化，在保证电机200精度优良的情况下，获得最少的电机200损耗，保证电机200较小的电磁效率衰减程度。Further, as shown in FIG. 1, FIG. 2, FIG. 3, FIG. 4, FIG. 5, FIG. 6 and FIG. Setting, that is, the second riveting part 121 is eccentrically arranged on the stator teeth 120, thereby ensuring that the loss of the teeth is minimized, and under the condition that the precision of the motor 200 is excellent, the minimum loss of the motor 200 is obtained, and the small electromagnetic force of the motor 200 is ensured. Efficiency attenuation degree.

进一步地，如图1、图3、图4和图5所示，定子齿120包括齿根122和齿靴123，齿根122呈规则状，比如矩形。齿根122的第一端与定子轭110相连，齿根122的第二端设有齿靴123。定子绕组220主要绕设在齿根122上，周向向相邻的定子齿120形成绕线槽，齿靴123位于绕线槽的槽口处，齿靴123能够防止定子绕组220从绕线槽内脱出。穿过转子腔100b的中心轴线的齿根122中心对称线即为定子齿120的中心线O。第二铆接部121设在齿根122上，齿根122面积大于齿靴123，可以为第二铆接部121提供多种可选位置，提升第二铆接部121的设置灵活性、自由度更高。而且，将第二铆接部121设在齿根122上，避免第二铆接部121和第一铆接部111相隔过远，通过设置轭部分界线，也能够防止第一铆接部111、第二铆接部121过于靠近，令第一铆接部111和第二铆接部121以适合的距离分布在定子轭110和定子齿120上，从而可以为导磁片100c整体提供可靠的连接性。Further, as shown in FIG. 1 , FIG. 3 , FIG. 4 and FIG. 5 , the stator tooth 120 includes a dedendum 122 and a tooth shoe 123 , and the dedendum 122 is in a regular shape, such as a rectangle. The first end of the tooth root 122 is connected with the stator yoke 110 , and the second end of the tooth root 122 is provided with a tooth shoe 123 . The stator winding 220 is mainly wound on the tooth root 122, and the circumferentially adjacent stator teeth 120 form a winding slot, and the tooth shoe 123 is located at the notch of the winding slot, and the tooth shoe 123 can prevent the stator winding 220 from winding the slot. Inner prolapse. The central symmetry line of the dedendum 122 passing through the central axis of the rotor cavity 100 b is the central line O of the stator tooth 120 . The second riveting part 121 is set on the tooth root 122, and the area of the tooth root 122 is larger than that of the tooth shoe 123, which can provide a variety of optional positions for the second riveting part 121, improving the flexibility and freedom of setting the second riveting part 121 . Moreover, the second riveting portion 121 is arranged on the dedendum 122 to avoid the distance between the second riveting portion 121 and the first riveting portion 111. By setting the boundary line of the yoke, it is also possible to prevent the first riveting portion 111 and the second riveting portion from being separated from each other. 121 are too close, so that the first riveting portion 111 and the second riveting portion 121 are distributed on the stator yoke 110 and the stator teeth 120 at an appropriate distance, so as to provide reliable connection for the magnetic permeable sheet 100c as a whole.

进一步地，如图1所示，在垂直于定子齿120的中心线O的方向上，齿根122的宽度为M，即定子轭110的宽度方向与齿根122的宽度方向不同，导磁片100c整体呈类似“T”型。第二铆接部121的具***置与齿根122的宽度相关联，尽管第二铆接部121偏离齿根122的中心对称线设置，然而，第二铆接部121的中心点与齿根122的中心对称线具有前述关系，即第二铆接部121可以在一定范围内偏离齿根122的中心对称设置，从而才能保证定子齿120的最小化损耗，在保证电机200精度优良的情况下，有效降低电机200的损耗。如果第二铆接部121远离齿根122的中心对称线设在齿根122的边缘处，则第二铆接部121无法为定子齿120位置处提供有效的连接作用，同时也无法减小损耗。Further, as shown in FIG. 1 , in the direction perpendicular to the center line O of the stator teeth 120, the width of the dedendum 122 is M, that is, the width direction of the stator yoke 110 is different from the width direction of the dedendum 122, and the magnetically conductive sheet The overall shape of 100c is similar to "T". The specific position of the second riveting portion 121 is associated with the width of the dedendum 122, although the second riveting portion 121 is disposed away from the central symmetry line of the dedendum 122, however, the center point of the second riveting portion 121 is symmetrical to the center of the dedendum 122 The line has the aforementioned relationship, that is, the second riveting part 121 can be deviated from the center of the dedendum 122 within a certain range and symmetrically arranged, so as to ensure the minimum loss of the stator teeth 120, and effectively reduce the motor 200 under the condition of ensuring excellent precision of the motor 200. loss. If the second riveting portion 121 is located at the edge of the tooth root 122 away from the center line of symmetry of the tooth root 122 , the second riveting portion 121 cannot provide an effective connection for the position of the stator tooth 120 and also cannot reduce loss.

进一步地，如图1、图3、图4和图5所示，定子轭110上的第一铆接部111的数量为多个，多个第一铆接部111分布在定子齿120的中心线O的不同侧，由于第二铆接部121靠近定子齿120的中心线O设置，则多个第一铆接部111和第二铆接部121能够形成多边形，比如，三角形、四边形等，可以令导磁片100c所受到的铆接作用更加均匀化。Further, as shown in FIG. 1 , FIG. 3 , FIG. 4 and FIG. 5 , there are multiple first riveting parts 111 on the stator yoke 110 , and the multiple first riveting parts 111 are distributed on the center line O of the stator teeth 120 Since the second riveting portion 121 is arranged close to the center line O of the stator tooth 120, multiple first riveting portions 111 and second riveting portions 121 can form polygons, such as triangles, quadrilaterals, etc., which can make the magnetic conductive sheet The riveting action received by 100c is more uniform.

具体而言，当第一铆接部111的数量为2个时，一个第一铆接部111设在定子齿120的中心线O的一侧，另一个第一铆接部111和第二铆接部121设在定子齿120的中心线O的另一侧，则三者可以构成稳定三角形，三角形区域占据整个导磁片100c的中心区域，此时，导磁片100c所受到的铆接力更加稳定有效。Specifically, when the number of first riveting parts 111 is two, one first riveting part 111 is arranged on one side of the centerline O of the stator tooth 120, and the other first riveting part 111 and second riveting part 121 are arranged On the other side of the centerline O of the stator teeth 120, the three can form a stable triangle, and the triangle area occupies the central area of the entire magnetic conductive sheet 100c. At this time, the riveting force received by the magnetic conductive sheet 100c is more stable and effective.

进一步地，如图1、图3、图4和图5所示，多个第一铆接部111对称排布在定子轭110上，使得定子轭110位置处能够得到对称的铆接力，保证定子铁芯100的整体精度，保证电机200的效率。Further, as shown in Figure 1, Figure 3, Figure 4 and Figure 5, a plurality of first riveting parts 111 are symmetrically arranged on the stator yoke 110, so that a symmetrical riveting force can be obtained at the position of the stator yoke 110, ensuring that the stator iron The overall precision of the core 100 ensures the efficiency of the motor 200.

进一步地，如图1、图3、图4和图5所示，导磁片100c上设有第一铆接部111、第二铆接部121和第三铆接部112，第一铆接部111和第三铆接部112能够为定子轭110提供可靠的连接性能，第二铆接部121为定子齿120提供可靠连接性能。由于第三铆接部112和第一铆接部111分布在定子齿120的中心线的不同侧，那么第一铆接部111、第二铆接部121和第三铆接部112可以形成稳定三角形，三角形区域占据整个导磁片100c的中心区域，此时，导磁片100c所受到的铆接力更加稳定有效。其中，第三铆接部112的铆接结合力大于等于第一铆接部111的铆接结合力。Further, as shown in FIG. 1 , FIG. 3 , FIG. 4 and FIG. 5 , the magnetically conductive sheet 100c is provided with a first riveting portion 111 , a second riveting portion 121 and a third riveting portion 112 , and the first riveting portion 111 and the second riveting portion The three riveting parts 112 can provide reliable connection performance for the stator yoke 110 , and the second riveting part 121 can provide reliable connection performance for the stator teeth 120 . Since the third riveting portion 112 and the first riveting portion 111 are distributed on different sides of the center line of the stator teeth 120, the first riveting portion 111, the second riveting portion 121 and the third riveting portion 112 can form a stable triangle, and the triangular area occupies In the central area of the entire magnetic conductive sheet 100c, at this time, the riveting force received by the magnetic conductive sheet 100c is more stable and effective. Wherein, the riveting bonding force of the third riveting portion 112 is greater than or equal to the riveting bonding force of the first riveting portion 111 .

进一步地，当第三铆接部112的铆接结合力与第二铆接部121的铆接结合力相等时，则第三铆接部112和第二铆接部121可以采用同一铆接工艺制备，即对于导磁片100c上铆接结构的加工，可以采用两种铆接工艺，即第一种铆接工艺用于在定子轭110上加工第一铆接部111，第二种铆接工艺用于在定子齿120上加工第二铆接部121，同时，可以在定子轭110上加工第三铆接部112，简化加工过程。Further, when the riveting bonding force of the third riveting part 112 is equal to the riveting bonding force of the second riveting part 121, the third riveting part 112 and the second riveting part 121 can be prepared by the same riveting process, that is, for the magnetic conductive sheet The processing of the riveted structure on 100c can adopt two riveting processes, that is, the first riveting process is used to process the first riveting part 111 on the stator yoke 110, and the second riveting process is used to process the second riveting part on the stator tooth 120. part 121, and at the same time, the third riveting part 112 can be processed on the stator yoke 110, which simplifies the processing process.

进一步地，第一铆接部111和第三铆接部112对称排布在定子轭110上，使得定子轭110位置处能够得到对称的铆接力，保证定子铁芯100的整体精度，保证电机200的效率。Furthermore, the first riveting part 111 and the third riveting part 112 are symmetrically arranged on the stator yoke 110, so that a symmetrical riveting force can be obtained at the position of the stator yoke 110, ensuring the overall precision of the stator core 100 and ensuring the efficiency of the motor 200 .

根据本申请的第四个方面，提供了一种制冷设备，包括上述任一设计所提供的电机200或压缩机300。According to a fourth aspect of the present application, a refrigeration device is provided, including the motor 200 or the compressor 300 provided by any of the above-mentioned designs.

本申请提供的制冷设备，包括上述任一设计所提供的电机200或压缩机300，因此具有该电机200或压缩机300的全部有益效果，在此不再赘述。The refrigerating equipment provided by the present application includes the motor 200 or the compressor 300 provided by any of the above-mentioned designs, so it has all the beneficial effects of the motor 200 or the compressor 300 , and will not be repeated here.

在本申请中，术语“多个”则指两个或两个以上，除非另有明确的限定。术语“安装”、“相连”、“连接”、“固定”等术语均应做广义理解，例如，“连接”可以是固定连接，也可以是可拆卸连接，或一体地连接；“相连”可以是直接相连，也可以通过中间媒介间接相连。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请中的具体含义。In this application, the term "plurality" means two or more, unless otherwise clearly defined. The terms "installation", "connection", "connection", "fixed" and other terms should be interpreted in a broad sense, for example, "connection" can be fixed connection, detachable connection, or integral connection; "connection" can be directly or indirectly through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application according to specific situations.

在本说明书的描述中，术语“一个实施例”、“一些实施例”、“具体实施例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或特点包含于本申请的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或实例。而且，描述的具体特征、结构、材料或特点可以在任何的一个或多个实施例或示例中以合适的方式结合。In the description of this specification, descriptions of the terms "one embodiment", "some embodiments", "specific embodiments" and the like mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in this application In at least one embodiment or example of . In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

以上所述仅为本申请的优选实施例而已，并不用于限制本申请，对于本领域的技术人员来说，本申请可以有各种更改和变化。凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。The above descriptions are only preferred embodiments of the present application, and are not intended to limit the present application. For those skilled in the art, there may be various modifications and changes in the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of this application shall be included within the protection scope of this application.

Claims

一种定子铁芯，其中，包括：A stator core, including:

多个铁芯块，多个铁芯块拼接形成转子腔，多个所述铁芯块中每个所述铁芯块包括沿所述转子腔的轴向堆叠的多个导磁片，每个所述导磁片包括：A plurality of iron core blocks, the plurality of iron core blocks are spliced to form a rotor cavity, each of the plurality of core blocks includes a plurality of magnetic conductive sheets stacked along the axial direction of the rotor cavity, each The magnetic guide sheet includes:

定子轭，所述定子轭上设有第一铆接部，多个所述导磁片中在所述轴向上相邻的导磁片的第一铆接部相连；以及A stator yoke, the stator yoke is provided with a first riveting portion, and the first riveting portions of the plurality of magnetic conductive sheets adjacent in the axial direction are connected; and

定子齿，与所述定子轭相连，所述定子齿相对所述定子轭靠近所述转子腔的中心设置，所述定子齿上设有第二铆接部，多个所述导磁片中在所述轴向上相邻的导磁片的第二铆接部相连；The stator teeth are connected with the stator yoke, and the stator teeth are arranged close to the center of the rotor cavity relative to the stator yoke. The stator teeth are provided with a second riveting part. The second riveted parts of the axially adjacent magnetic conductive sheets are connected;

其中，所述第一铆接部的铆接结合力大于所述第二铆接部的铆接结合力。Wherein, the riveting bonding force of the first riveting portion is greater than the riveting bonding force of the second riveting portion.
根据权利要求1所述的定子铁芯，其中，The stator core according to claim 1, wherein,

所述定子轭包括位于轴向端面上的轭内缘线和轭外缘线，所述轭内缘线相对于所述轭外缘线靠近所述转子腔设置，所述轭内缘线和所述轭外缘线之间具有轭分界线，所述第一铆接部位于所述轭外缘线和所述轭分界线之间；The stator yoke includes a yoke inner edge line and a yoke outer edge line on the axial end surface, the yoke inner edge line is arranged closer to the rotor cavity relative to the yoke outer edge line, the yoke inner edge line and the yoke outer edge line There is a yoke boundary line between the outer edge lines of the yoke, and the first riveting part is located between the outer edge line of the yoke and the boundary line of the yoke;

其中，所述轭内缘线和所述轭分界线之间的距离为X，在平行于所述定子齿的中心线的方向，所述定子轭的最小宽度为Y，满足，X≤0.4Y。Wherein, the distance between the inner edge line of the yoke and the boundary line of the yoke is X, and in the direction parallel to the centerline of the stator teeth, the minimum width of the stator yoke is Y, satisfying that X≤0.4Y .
根据权利要求1所述的定子铁芯，其中，The stator core according to claim 1, wherein,

所述第二铆接部的中心点偏离所述定子齿的中心线设置。The center point of the second riveting part is set away from the center line of the stator teeth.
根据权利要求3所述的定子铁芯，其中，所述定子齿包括：The stator core of claim 3, wherein said stator teeth comprise:

齿根，所述齿根的第一端与所述定子轭相连；a tooth root, the first end of which is connected to the stator yoke;

齿靴，设在所述齿根的第二端，其中，所述齿根的中心对称线为所述定子齿的中心线，所述第二铆接部设在所述齿根上。The tooth shoe is arranged at the second end of the tooth root, wherein the center line of symmetry of the tooth root is the center line of the stator tooth, and the second riveting part is arranged on the tooth root.
根据权利要求4所述的定子铁芯，其中，The stator core according to claim 4, wherein,

在垂直于所述定子齿的中心线的方向上，所述齿根的宽度为M，所述第二铆接部的中心点与所述齿根的中心对称线之间的距离为N，其中，0.01M≤N≤0.4M。In the direction perpendicular to the center line of the stator tooth, the width of the tooth root is M, and the distance between the center point of the second riveting part and the central symmetry line of the tooth root is N, wherein, 0.01M≤N≤0.4M.
根据权利要求1至5中任一项所述的定子铁芯，其中，A stator core according to any one of claims 1 to 5, wherein,

所述第一铆接部的数量为多个，多个所述第一铆接部分布在所述定子齿的中心线的不同侧。There are multiple first riveting parts, and the multiple first riveting parts are distributed on different sides of the center line of the stator teeth.
根据权利要求6所述的定子铁芯，其中，The stator core according to claim 6, wherein,

多个所述第一铆接部沿所述定子齿的中心线对称分布。A plurality of the first riveting parts are symmetrically distributed along the center line of the stator teeth.
根据权利要求1至5中任一项所述的定子铁芯，其中，A stator core according to any one of claims 1 to 5, wherein,

所述定子轭上还设有第三铆接部，所述第一铆接部和所述第三铆接部分布在所述定子齿的中心线的不同侧。The stator yoke is also provided with a third riveting portion, and the first riveting portion and the third riveting portion are distributed on different sides of the center line of the stator teeth.
根据权利要求8所述的定子铁芯，其中，The stator core according to claim 8, wherein,

所述第三铆接部的铆接结合力与所述第二铆接部的铆接结合力相同。The riveting force of the third riveting portion is the same as that of the second riveting portion.
根据权利要求8所述的定子铁芯，其中，The stator core according to claim 8, wherein,

所述第一铆接部的中心与所述第三铆接部的中心相对所述定子齿的中心线对称分布。The center of the first riveting part and the center of the third riveting part are distributed symmetrically with respect to the center line of the stator teeth.
一种电机，其中，包括：如权利要求1至10中任一项所述的定子铁芯。A motor, comprising: the stator core according to any one of claims 1-10.
根据权利要求11所述的电机，其中，所述电机包括：The electric machine of claim 11, wherein said electric machine comprises:

转子，位于所述定子铁芯的转子腔内并能够相对所述定子铁芯旋转；a rotor, located in the rotor cavity of the stator core and capable of rotating relative to the stator core;

自所述定子铁芯的定子齿的中心线指向所述定子铁芯的第二铆接部的方向为偏离方向，其中，所述偏离方向与所述转子的旋转方向相反。The direction from the center line of the stator teeth of the stator core to the second riveted portion of the stator core is a deviation direction, wherein the deviation direction is opposite to the rotation direction of the rotor.
一种压缩机，其中，包括：如权利要求11或12所述的电机。A compressor, comprising: the motor as claimed in claim 11 or 12.
一种制冷设备，其中，包括：A refrigeration device, including:

如权利要求11或12所述的电机；或An electric machine as claimed in claim 11 or 12; or

如权利要求13所述的压缩机。A compressor as claimed in claim 13.