CN114678974A - Stator and block type motor - Google Patents
Stator and block type motor Download PDFInfo
- Publication number
- CN114678974A CN114678974A CN202210427947.5A CN202210427947A CN114678974A CN 114678974 A CN114678974 A CN 114678974A CN 202210427947 A CN202210427947 A CN 202210427947A CN 114678974 A CN114678974 A CN 114678974A
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- annular wall
- block
- stator core
- groove
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- 229910000976 Electrical steel Inorganic materials 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 3
- 229920000297 Rayon Polymers 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 17
- 238000009434 installation Methods 0.000 description 19
- 238000003466 welding Methods 0.000 description 14
- 238000011900 installation process Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000004804 winding Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/022—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies with salient poles or claw-shaped poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/52—Fastening salient pole windings or connections thereto
- H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention relates to a stator and a block type motor. The stator of the block type motor comprises a first annular wall, a second annular wall surrounding the outer side of the first annular wall and a plurality of stator blocks; the stator split block comprises a stator core split block, and the stator core split block is connected between the first annular wall and the second annular wall in a clamping mode. The stator, the block type electric motor and the mounting method of the stator of the block type electric motor are easy to mount and low in mounting cost.
Description
Technical Field
The invention relates to the technical field of motor structures, in particular to a stator and a block type motor.
Background
The block type motor has the advantages of convenience and high efficiency in winding, high slot filling rate, low stator coil, low copper loss, small torque fluctuation and the like, and is widely applied to the robot servo motor. In a block type motor, a plurality of stator blocks are mutually assembled to form a stator. During specific manufacturing, the enameled copper wires are wound on the single iron core splicing blocks to form the stator splicing blocks, the plurality of stator splicing blocks are spliced into the annular stator in a preset sequence in a pairwise mode, adjacent stator splicing blocks are connected together through laser welding, and finally the stator in the splicing block type motor is formed. However, the above-described conventional stator is complicated in the installation process, and the laser welding requires a special apparatus, resulting in high installation costs of the stator.
Disclosure of Invention
In view of the above, it is necessary to provide a stator and a segment motor which are easy to install and have a low installation cost, in order to solve the problems of complicated stator installation and high installation process cost in the prior art.
The first aspect of the embodiment of the application provides a stator of a block type motor, which comprises a first annular wall, a second annular wall arranged around the first annular wall, and a plurality of stator blocks;
the stator split block comprises a stator core split block, and the stator core split block is connected between the first annular wall and the second annular wall in a clamping mode.
In one embodiment, the stator core segment has a first end and a second end which are oppositely arranged;
a plurality of first mounting grooves are formed in the outer side surface of the first annular wall and are arranged along the circumferential direction of the first annular wall; a plurality of second mounting grooves which are in one-to-one correspondence with the first mounting grooves are formed in the inner side surface of the second annular wall;
the first end and the second end of each stator core segment are respectively clamped into a group of corresponding first mounting grooves and second mounting grooves.
In one embodiment, the groove bottom of each first mounting groove is arranged on a circumferential surface which is centered on the axis of the first annular wall, and the groove bottom of each first mounting groove is abutted with the first end of the corresponding stator core segment; and/or
The groove bottom of each second mounting groove is arranged on the circumferential surface taking the axis of the second annular wall as the center, and the groove bottom of each second mounting groove is abutted against the second end of the corresponding stator core splicing block.
In one embodiment, the first mounting groove is configured as a through groove that penetrates the first annular wall in the axial direction of the first annular wall;
the second mounting groove is configured as a through groove which penetrates the second annular wall in the axial direction of the second annular wall.
In one embodiment, glue is arranged between the first end of the stator core splicing block and the first mounting groove;
and viscose glue is arranged between the second end of the stator core splicing block and the second mounting groove.
In one embodiment, the stator core segment comprises a main body part and a shoe part which are connected, the shoe part is provided with a convex part which protrudes towards two sides of the main body part, the shoe part forms a first end of the stator core segment, and the end part of the main body part, which is far away from the shoe part, forms a second end of the stator core segment;
the inner groove profile of the first mounting groove matches the outer profile of the boot.
In one embodiment, the first annular wall is made of a non-magnetically conductive material; and/or
The second annular wall is constructed in a structure in which a plurality of silicon steel sheets are stacked.
In one embodiment, a group of corresponding first mounting grooves and second mounting grooves are oppositely arranged, and the opposite direction is along the radial direction of the first annular wall.
In one embodiment, the distance between the groove bottoms of the first mounting groove and the second mounting groove in the radial direction of the first annular wall is smaller than the radial dimension of the stator core segments in the radial direction of the first annular wall, so that each stator core segment is in interference fit between the first annular wall and the second annular wall.
A second aspect of the embodiments of the present application provides a block motor, including the stator of the above block motor.
The stator and the block type motor have the beneficial effects that:
through setting up first rampart and second rampart, piece the stator respectively the joint between first rampart and second rampart, need not with the help of welding equipment, the cost is lower, also need not simultaneously each stator piece between splice each other the concatenation, can realize processes such as wire winding and the equipment of stator fast simply.
In addition, the installation process can be assembled without complex special equipment and tool fixtures, and the installation period is short. In addition, because the stator is not connected in a welding mode, the hidden trouble of welding seam quality caused by the existing laser welding mode can be avoided, and the reliability of the stator is higher.
Drawings
Fig. 1 is a schematic structural diagram of a stator of a block motor according to an embodiment of the present disclosure;
fig. 2 is a schematic structural view of a stator segment fixed to a stator of a block motor according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a first mounting portion and a second mounting portion in a stator of a block motor according to an embodiment of the present application;
fig. 4 is a schematic flow chart illustrating a method for mounting a stator of a block motor according to an embodiment of the present disclosure;
fig. 5 is a schematic diagram illustrating an installation sequence of stator segments in an installation process of a stator of a block motor according to an embodiment of the present application.
The reference numbers illustrate:
100. a stator of a block type motor; 10. a stator split block; 11. splicing the stator core; 111. a first end; 112. a second end; 113. a main body portion; 114. a boot portion; 12. a winding; 20. a first annular wall; 22. a first mounting groove; 23. an accommodating space; 30. a second annular wall; 32. a second mounting groove; 51. a first stator segment; 52. a second stator segment.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
A stator, a block type motor, and a method of mounting a stator of a block type motor according to embodiments of the present invention will be described with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a stator of a block motor according to an embodiment of the present application, fig. 2 is a schematic structural diagram of a stator block fixed to the stator of the block motor according to the embodiment of the present application, and fig. 3 is a schematic structural diagram of a first mounting portion and a second mounting portion in the stator of the block motor according to the embodiment of the present application.
Referring to fig. 1, 2 and 3, the present embodiment provides a stator 100 of a block type motor, including a first annular wall 20, a second annular wall 30 surrounding the first annular wall 20, and a plurality of stator blocks 10; the stator segment 10 includes a stator core segment 11, and the stator core segment 11 is clamped between the first annular wall 20 and the second annular wall 30.
In the above scheme, by arranging the first annular wall 20 and the second annular wall 30, the stator splicing blocks 10 are respectively clamped between the first annular wall 20 and the second annular wall 30, welding equipment is not needed, the cost is low, meanwhile, the stator splicing blocks 10 are not needed to be spliced with each other, and the processes of winding and assembling of the stator can be quickly and simply realized.
In addition, the installation process can be assembled without complex special equipment and tool fixtures, and the installation period is short. In addition, because the stator is not connected in a welding mode, the hidden trouble of welding seam quality caused by the existing laser welding mode can be avoided, and the reliability of the stator is higher. For the maintenance process of the assembled stator in the prior art, if a certain stator segment is damaged, because the stator segment is welded with other stator segments, other normal stator segments may be damaged in the process of disassembling the damaged stator segment, and the damaged stator segment cannot be used continuously, whereas the stator segment 10 of the embodiment of the present application is directly taken down from between the first annular wall 20 and the second annular wall 30 during maintenance, and can be installed again after maintenance, and the disassembling process does not affect other normal stator segments 10.
In a specific implementation, the stator core segment 11 has a first end 111 and a second end 112 that are oppositely arranged; a plurality of first mounting grooves 22 are formed in the outer side surface of the first annular wall 20, and the plurality of first mounting grooves 22 are arranged along the circumferential direction of the first annular wall 20; a plurality of second mounting grooves 32 corresponding to the first mounting grooves one by one are arranged on the inner side surface of the second annular wall 30; the first end 111 and the second end 112 of each stator core segment 11 are connected to a set of corresponding first mounting slots 22 and second mounting slots 32, respectively.
Referring to fig. 2, the stator segment 10 includes a stator core segment 11, and the stator core segment 11 has a first end 111 and a second end 112 disposed opposite to each other. In a specific implementation, the stator core segment 11 may include a main body portion 113 and a shoe portion 114 connected to each other, and the shoe portion 114 may be located at one side end portion of the main body portion 113, for example. The shoe 114 has a protrusion protruding toward both sides of the body portion 113, the shoe 114 may form a first end 111 of the stator core segment 11, and an end of the body portion 113 facing away from the shoe 114 forms a second end 112 of the stator core segment 11. In addition, the inner groove profile of the first mounting groove 22 matches the outer profile of the shoe 114.
In addition, it will be appreciated that in the machine, the shoe 114 is an enlarged portion of the stator core near one end of the rotor, and functions to reduce air gap reluctance, improve main pole field distribution, and facilitate field set fixing.
As can be seen from fig. 2, the stator segment 10 of this embodiment is slightly different from the stator segment in the prior art, and because the adjacent stator segments 10 do not need to be spliced with each other, the structure of the slot and the protrusion that splice two adjacent stator segments 10 with each other is not needed to be set on the stator core segment 11, and the structure of the second end 112 of the stator core segment 11 becomes simple and easy to process and manufacture.
The first annular wall 20 and the second annular wall 30 are both annular structures, and their radial thickness can be determined according to the installation condition of the stator segment 10, wherein the inner diameter of the second annular wall 30 is larger than that of the first annular wall 20, and the second annular wall 30 and the first annular wall 20 are coaxially arranged and are approximately located at the same position in the axial direction, so that an accommodating space 23 capable of accommodating each stator segment 10 is formed between the inner side surface of the second annular wall 30 and the outer side surface of the first annular wall 20. In addition, in order to avoid the influence on the magnetic field of the stator, the first annular wall 20 may be made of non-magnetic material, such as aluminum alloy, titanium alloy, etc. The second annular wall 30 may be made of silicon steel, for example, the second annular wall 30 may be constructed by stacking a plurality of silicon steel sheets.
In the embodiment of the present application, referring to fig. 3, as mentioned above, the outer side surface of the first annular wall 20 is provided with a plurality of first mounting grooves 22, and the plurality of first mounting grooves 22 are arranged along the circumferential direction of the first annular wall 20; the inner side surface of the second annular wall 30 is provided with a plurality of second mounting grooves 32 corresponding to the first mounting grooves 22 one by one, where the one-to-one correspondence between the first mounting grooves 22 and the second mounting grooves 32 means that the number of the first mounting grooves 22 and the number of the second mounting grooves 32 are the same, and the arrangement positions are opposite in the radial direction of the first annular wall 20, that is, the opposite direction is along the radial direction of the first annular wall 20, so that one stator segment 10 can be mounted between a group of corresponding first mounting grooves 22 and second mounting grooves 32.
In the embodiment of the present application, referring to fig. 1 and 3, the stator core segments 11 may be circumferentially spaced outside the first annular wall 20. In a specific implementation, the first installation grooves 22 are circumferentially spaced on the first annular wall 20; and each second mounting groove 32 is circumferentially spaced on the second annular wall 30. And the first mounting grooves 22 are provided at equal angular intervals on the first annular wall 20. The second mounting slots 32 are disposed at equal angular intervals on the second annular wall 30. This may result in a more uniform magnetic field distribution in the stator 100 of the block motor.
In the embodiment of the present application, the first end 111 and the second end 112 of each stator core segment 11 are respectively coupled to a set of corresponding first mounting grooves 22 and second mounting grooves 32. The connection mentioned here is, for example, clamping, riveting, bonding, etc. which are commonly used in the art, and of course, the present application includes but is not limited to these methods as long as the fixation of the stator core segment 11 to the first and second mounting grooves 22 and 32 can be achieved. The first end 111 and the second end 112 of each stator core segment 11 are respectively clamped in a set of corresponding first mounting grooves 22 and second mounting grooves 32.
In a specific implementation, referring to fig. 3, the first end 111 and the second end 112 of each stator core segment 11 are respectively clamped in the corresponding first mounting groove 22 and the second mounting groove 32. Of course, in practical operation, the first ends 111 of the stator core segments 11 may be press-fitted into the first mounting grooves 22 in an interference manner, and for example, the width dimension of the first ends 111 of the stator core segments 11 along the circumferential direction of the first annular wall 20 is larger than the dimension of the first mounting grooves 22 along the circumferential direction of the first annular wall 20.
In addition, the second ends 112 of the stator core segments 11 are press-fitted into the second mounting grooves 32 with interference, and illustratively, the width dimension of the second ends 112 of the stator core segments 11 in the circumferential direction of the second annular wall 20 is larger than the dimension of the second mounting grooves 32 in the circumferential direction of the second annular wall 30.
Further, as a possible implementation manner, a distance between the groove bottoms of the first mounting groove 22 and the second mounting groove 32 in the radial direction of the first annular wall 20 is smaller than a radial dimension of the stator core segment 11 in the radial direction of the first annular wall 20, so that each stator core segment 11 is in interference fit between the first annular wall 20 and the second annular wall 30, that is, the interference fit between the stator core segment 11 and the first annular wall 20 and the second annular wall 30 is achieved.
Further, the first mounting groove 22 is configured as a through groove that penetrates the first annular wall 20 in the axial direction of the first annular wall 20 (the direction perpendicular to the drawing plane in fig. 3); the second mounting groove 32 is configured as a through groove that penetrates the second annular wall 30 in the axial direction of the second annular wall 30. Thus, even if the axial heights of the stator core segments 11 are slightly different, the stator core segments can be smoothly installed in the first installation grooves 22 and the second installation grooves 32, and the requirements on the design and machining accuracy of the first installation grooves 22 and the second installation grooves 32 are reduced. For example, both the first mounting groove 22 and the second mounting groove 32 may be formed as square grooves, i.e., grooves having a square shape in axial section.
In addition, in some other embodiments, the first and second mounting grooves 22 and 32 may also be grooves with one side having a bottom.
In addition, after the first stator segment 10 is installed in the accommodating space 23, the relative positions of the first annular wall 20 and the second annular wall 30 are fixed, and the rest of the stator segments 10 can be installed in the accommodating space 23 along the axial direction.
In order to ensure the cylindricity of the inner side surface of each assembled stator segment 10, it is conceivable to arrange the groove bottom of each first mounting groove 22 on the circumferential surface centered on the axis of the first annular wall 20; and the groove bottom of each first mounting groove 22 abuts against the first end 111 of the corresponding stator core segment 11.
And/or the groove bottom of each second mounting groove 32 is on the circumferential surface centered on the axis of the second annular wall 30, and the groove bottom of each second mounting groove 32 abuts against the second end 112 of the corresponding stator core segment 11.
Specifically, during the installation process, the first end 111 of the stator core segment 11 needs to be clamped in the first installation groove 22 and abutted against the bottom of the first installation groove 22, and the second end 112 of the stator core segment 11 needs to be clamped in the second installation groove 32 and abutted against the bottom of the second installation groove 32.
Alternatively, in order to improve the connection strength of the stator core segment 11 with the first and second mounting grooves 22 and 32, an adhesive (e.g., loctite 326 or loctite 609, etc.) is provided between the first end 111 of the stator core segment 11 and the first mounting groove 22, and an adhesive is provided between the second end 112 of the stator core segment 11 and the second mounting groove 32. Of course, the clamping connection and the adhesive connection can be added, so that the connection strength of the stator core segment 11 with the first mounting groove 22 and the second mounting groove 32 is higher.
The embodiment of the application also provides a block type motor, which comprises the stator 100 of the block type motor. It is understood that the detailed structure, function, principle, etc. of the stator 100 of the block motor have been described in detail previously and will not be described herein again.
Fig. 4 is a schematic flowchart of a method for installing a stator of a block motor according to an embodiment of the present application, and fig. 5 is a schematic diagram illustrating an installation sequence of each stator block in an installation process of the stator of the block motor according to the embodiment of the present application.
Referring to fig. 4 and 5, an embodiment of the present application further provides a method for mounting a stator of a block type motor.
The stator segment 10 included in the stator 100 of the segment motor is composed of a first stator segment 51 and a plurality of second stator segments 52. That is, among the stator segments 10 included in the stator 100 of the segment motor, there is only one first stator segment 51, and the rest are the second stator segments 52.
The mounting method of the split stator can comprise the following steps:
s10, providing a first annular wall and a second annular wall, wherein the inner diameter of the first annular wall is smaller than that of the second annular wall;
s20, connecting two opposite ends of the first stator segment to the outer side surface of the first annular wall and the inner side surface of the second annular wall respectively;
and S30, respectively connecting two opposite ends of each second stator segment to the outer side surface of the first annular wall and the inner side surface of the second annular wall, wherein the first stator segments and the second stator segments are arranged at intervals along the circumferential direction of the first annular wall.
As mentioned above, in the above method, the two opposite ends of the first stator segment 51 are fixed on the outer side of the first annular wall 20 and the inner side of the second annular wall 30, respectively, so that the first annular wall 20 and the second annular wall 30 are relatively fixed, and then the two opposite ends of each second stator segment 52 are continuously fixed on the outer side of the first annular wall 20 and the inner side of the second annular wall 30, respectively, so as to complete the stator installation. In the process, welding equipment is not needed, the cost is low, meanwhile, the stator splicing blocks are not needed to be spliced with one another, and the procedures of winding, assembling and the like of the stator can be quickly and simply realized.
In addition, the installation process can be assembled without complex special equipment and tool fixtures, and the installation period is short. In addition, because the stator is not connected in a welding mode, the hidden trouble of welding seam quality caused by the existing laser welding mode can be avoided, and the reliability of the stator is higher.
In step S20, the step of connecting the two opposite ends of the first stator segment 51 to the outer side of the first annular wall 20 and the inner side of the second annular wall 30 includes connecting one end of the first stator segment 51 to the first mounting groove 22 on the outer side of the first annular wall 20; and the other end of the first stator segment 10 is coupled to the second mounting groove 32 on the inner side of the second circumferential wall 30.
In step S30, the step of connecting the opposite ends of each second stator segment 52 to the outer side of first annular wall 20 and the inner side of second annular wall 30 includes,
one of the first stator segments 52 is coupled to the first mounting groove 22 on the outer side of the first annular wall 20; and the other end of second stator segment 52 is coupled to second mounting groove 32 on the inner side of second ring wall 30.
The above-described operations are sequentially repeated to mount the remaining second stator segments 52 on the corresponding first and second mounting grooves 22 and 32.
With continued reference to fig. 5, since the relative positions of the first and second annular walls 20 and 30 are determined depending on the stator segments 10, it is contemplated that mounting each stator segment 10 in a diagonal manner may make the mounting process more robust.
For example, in the embodiment of the present application, for convenience of explanation of each mounting position, a plurality of auxiliary lines passing through the axis of the first annular wall 20 and the axis of the second annular wall 30 are formed on the drawing plane shown in fig. 5. Each letter number corresponds to a mounting position of one stator segment 10.
The diagonal mounting is, for example, to mount the stator segments in the following order:
the stator segment 10 is sequentially installed in the order of the reference numerals a, B, C, D, E, F, J, H, I, G, K, L, M, N, O, P, Q, and R.
In the above sequence, the position indicated by reference symbol a and the position indicated by reference symbol B are located at relative positions, the position indicated by reference symbol C and the position indicated by reference symbol D are located at relative positions, and the position indicated by reference symbol Q and the position indicated by reference symbol R are located at relative positions … ….
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A stator of a block type motor is characterized by comprising a first annular wall, a second annular wall surrounding the outer side of the first annular wall, and a plurality of stator blocks;
the stator splicing block comprises a stator core splicing block, and the stator core splicing block is clamped between the first annular wall and the second annular wall.
2. The stator of a block motor according to claim 1, wherein the stator core blocks have first and second ends disposed opposite to each other;
a plurality of first mounting grooves are formed in the outer side surface of the first annular wall and are arranged along the circumferential direction of the first annular wall; a plurality of second mounting grooves which are in one-to-one correspondence with the first mounting grooves are formed in the inner side surface of the second annular wall;
the first end and the second end of each stator core segment are respectively connected to a group of corresponding first mounting grooves and second mounting grooves.
3. The stator of a block motor according to claim 2, wherein a groove bottom of each of the first mounting grooves is on a circumferential surface centered on an axis of the first annular wall, and the groove bottom of each of the first mounting grooves abuts against the first end of the corresponding stator core segment; and/or
The groove bottom of each second mounting groove is arranged on a circumferential surface which takes the axis of the second annular wall as the center, and the groove bottom of each second mounting groove is abutted against the second end of the corresponding stator core segment.
4. The stator of a block type motor according to claim 2, wherein the first mounting groove is configured as a through groove penetrating the first circumferential wall in an axial direction of the first circumferential wall;
the second mounting groove is configured as a through groove that penetrates the second annular wall in the axial direction of the second annular wall.
5. The stator of a block motor according to claim 2, wherein an adhesive is provided between the first ends of the stator core blocks and the first mounting grooves;
and viscose glue is arranged between the second end of the stator core splicing block and the second mounting groove.
6. The stator of a block motor according to any one of claims 2 to 5, wherein the stator core block includes a main body portion and a shoe portion connected, the shoe portion having a protruding portion protruding toward both sides of the main body portion, the shoe portion forming the first end of the stator core block, an end of the main body portion facing away from the shoe portion forming the second end of the stator core block;
the first mounting groove has an inner groove profile matching an outer profile of the boot.
7. The stator of a block motor according to any one of claims 1 to 5, wherein the first annular wall is made of a non-magnetic conductive material; and/or
The second annular wall is constructed in a structure in which a plurality of silicon steel sheets are stacked.
8. The stator of a block type motor according to any one of claims 2 to 5, wherein a set of the corresponding first and second mounting grooves are oppositely disposed and the opposite direction is along a radial direction of the first annular wall.
9. The stator of a block type motor according to claim 8, wherein a distance between the groove bottoms of the first and second mounting grooves along a radial direction of the first annular wall is smaller than a dimension of the stator core segments along the radial direction of the first annular wall, so that the stator core segments are in interference fit between the first annular wall and the second annular wall.
10. A block motor comprising a stator of the block motor according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210427947.5A CN114678974A (en) | 2022-04-22 | 2022-04-22 | Stator and block type motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210427947.5A CN114678974A (en) | 2022-04-22 | 2022-04-22 | Stator and block type motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114678974A true CN114678974A (en) | 2022-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210427947.5A Pending CN114678974A (en) | 2022-04-22 | 2022-04-22 | Stator and block type motor |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007195279A (en) * | 2006-01-17 | 2007-08-02 | Tamagawa Seiki Co Ltd | Split core stator structure |
| JP2008061319A (en) * | 2006-08-29 | 2008-03-13 | Sumitomo Electric Ind Ltd | Stator and its manufacturing method and inner diameter ring |
| CN104065184A (en) * | 2014-06-30 | 2014-09-24 | 浙江宇静电机有限公司 | Motor stator core produced by splicing split modules |
| CN213072228U (en) * | 2020-09-24 | 2021-04-27 | 河北大业电机制造有限公司 | Motor stator capable of improving efficiency |
| CN219372125U (en) * | 2023-02-24 | 2023-07-18 | 丽水方德智驱应用技术研究院有限公司 | Spliced stator |
-
2022
- 2022-04-22 CN CN202210427947.5A patent/CN114678974A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007195279A (en) * | 2006-01-17 | 2007-08-02 | Tamagawa Seiki Co Ltd | Split core stator structure |
| JP2008061319A (en) * | 2006-08-29 | 2008-03-13 | Sumitomo Electric Ind Ltd | Stator and its manufacturing method and inner diameter ring |
| CN104065184A (en) * | 2014-06-30 | 2014-09-24 | 浙江宇静电机有限公司 | Motor stator core produced by splicing split modules |
| CN213072228U (en) * | 2020-09-24 | 2021-04-27 | 河北大业电机制造有限公司 | Motor stator capable of improving efficiency |
| CN219372125U (en) * | 2023-02-24 | 2023-07-18 | 丽水方德智驱应用技术研究院有限公司 | Spliced stator |
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