CN218386975U - Stator single tooth, stator core, motor and elevator - Google Patents
Stator single tooth, stator core, motor and elevator Download PDFInfo
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- CN218386975U CN218386975U CN202222902046.5U CN202222902046U CN218386975U CN 218386975 U CN218386975 U CN 218386975U CN 202222902046 U CN202222902046 U CN 202222902046U CN 218386975 U CN218386975 U CN 218386975U
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Abstract
The utility model discloses a stator single tooth, a stator core, a motor and an elevator, wherein the stator core comprises a frame and a plurality of stator single teeth; the stator single tooth comprises a first connecting part, a winding part and a second connecting part which are arranged in sequence; the first connecting part and the second connecting part are both provided with a first connecting hole which penetrates through; the machine base is provided with a plurality of second connecting holes; the first connecting portion and the second connecting portion are sequentially arranged on the first connecting hole and the second connecting hole in a penetrating mode through the fasteners to be fixed on the machine base, and each stator single tooth is independently arranged and matched in the machine base to form a ring body structure. This technical scheme that stator monodentate, stator core, motor and elevator provided can conveniently carry out the wire winding and handle, and can form the automatic operation of wire winding, and on the other hand need not to adopt mosaic structure to connect, and the structure accuracy requirement is lower, can reduce the processing cost, and connects convenient and fast.
Description
Technical Field
The utility model belongs to the technical field of the engine, concretely relates to stator monodentate, stator core, motor and elevator.
Background
In the conventional motor, the stator core generally includes both a full-circle type stator core and a block type stator core. For the stator using the full-circle stator core, as shown in fig. 1, a certain space needs to be reserved in the stator slot for the winding needle of the winding device to pass through to ensure smooth winding, which causes a low slot filling rate of the stator slot after winding is completed and results in a low power density per unit volume of the motor. And when the whole round stator core is wound, manual coil inserting can be adopted usually, the efficiency is low, the labor intensity is high, a yoke part is required to form a magnetic circuit, and the material utilization rate is low. In addition, for the spliced stator core, as shown in fig. 2, because the single-tooth spliced core is adopted, single teeth can be automatically wound by a machine, and the wound single teeth are spliced into the whole stator core.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a stator core is convenient for carry out automatic wire winding, need not to increase yoke portion and forms the magnetic circuit, improves material utilization, and the structural accuracy requirement is lower.
The technical scheme for achieving the purpose comprises the following steps.
A stator core comprises a base and a plurality of stator single teeth;
the stator single tooth comprises a first connecting part, a winding part and a second connecting part which are arranged in sequence; the first connecting part and the second connecting part are both provided with a first connecting hole which penetrates through the first connecting part and the second connecting part; a plurality of second connecting holes are formed in the base; the first connecting portion and the second connecting portion are sequentially arranged in the first connecting hole and the second connecting hole in a penetrating mode through fasteners to be fixed on the machine base, and the single stator teeth are independently arranged and matched in the machine base to form a ring body structure.
In some embodiments, the ends of the first connecting part and the second connecting part, which are far away from the winding part, form an arc-shaped structure; when each stator single tooth is fixed in the base, the tail end of each first connecting part is positioned on a first circumference, and the tail end of each second connecting part is positioned on a second circumference.
In some embodiments, the ends of the first connecting portion and the second connecting portion, which are far away from the winding portion, are respectively formed into an arc-shaped structure protruding outwards, the arc-shaped structure of the first connecting portion has a first arc-shaped high point position, and the first arc-shaped high point position of each first connecting portion is located on the first circumference; the arc-shaped structure of the second connecting part is provided with a second arc-shaped high point position, and the second arc-shaped high point position of the second connecting part is positioned on the second circumference.
In some of these embodiments, the first circumference and the second circumference are concentrically arranged.
In some embodiments, the stator single tooth further includes a first insulating plate and a second insulating plate, the first insulating plate is sleeved at a transition position between the first connecting portion and the winding portion, and the second insulating plate is sleeved at a transition position between the second connecting portion and the winding portion.
In some embodiments, the width of each of the first connecting portion and the second connecting portion is greater than the width of the winding portion.
In some embodiments, each of the first connecting portion and the second connecting portion is disposed at two opposite sides of the stator single tooth in an inclined manner.
An electric machine comprising a first rotor, a second rotor, a first permanent magnet, a second permanent magnet, a coil and a stator core as described above;
the first rotor set up in the ring outside of ring structure, the second rotor set up in the ring inboard of ring structure, first permanent magnet set up in first rotor with between the first connecting portion, the second permanent magnet set up in the second rotor with between the second connecting portion, the coil is around locating on the wire winding portion, first permanent magnet with second permanent magnet magnetism is opposite.
An elevator comprising a motor as described above.
A stator single tooth comprises a first connecting part, a winding part and a second connecting part which are arranged in sequence; first connecting portion, second connecting portion all set up the first connecting hole of vertical running through, first connecting portion, second connecting portion all wear to locate through the fastener first connecting hole is in order to be fixed in on the external carrier.
The utility model provides a technical scheme has following advantage and effect:
this stator core sets up a plurality of independent stator monodentates and is fixed in on the frame through the fastener for after the stator monodentate can be formed with winding stator monodentate coiling copper line earlier, rethread fastener is fixed in order to form stator core on the frame with the stator monodentate, conveniently carry out the wire winding processing on the one hand, and can form the operation of winding automation, on the other hand need not to adopt mosaic structure to connect, and the structure accuracy requirement is lower, can reduce the processing cost, and connect convenient and fast.
Drawings
Fig. 1 is a schematic structural view of a full-circle stator core in the prior art;
fig. 2 is a schematic structural view of a block-type stator core in the prior art;
fig. 3 is a schematic view of a magnetic line distribution of the segmented stator core of fig. 2;
fig. 4 is a schematic structural diagram of a stator core according to an embodiment of the present invention;
fig. 5 is a schematic view of a winding structure of a stator single tooth and a coil according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of a single tooth of the stator of FIG. 5;
FIG. 7 is a schematic top view of the single stator tooth of FIG. 5;
fig. 8 is a schematic structural diagram of a motor according to an embodiment of the present invention;
FIG. 9 is a schematic view of a portion of the structure of the motor of FIG. 8;
fig. 10 is a schematic view of the magnetic flux distribution of the motor of fig. 8.
Description of reference numerals:
100. a motor;
1. a stator core; 11. a machine base; 111. a second connection hole; 12. a stator single tooth; 121. a first connection portion; 122. a winding part; 123. a second connecting portion; 124. a first connection hole; 125. a first insulating plate; 126. a second insulating plate;
2. a first rotor; 3. a second rotor; 4. a first permanent magnet; 5. a second permanent magnet; 6. a coil;
7. a full-circle stator core; 8. a block-type stator core; 81. a stator tooth; 82. a third rotor; 83. and a third permanent magnet.
Detailed Description
In order to facilitate an understanding of the invention, specific embodiments thereof will be described in more detail below with reference to the accompanying drawings.
As used herein, unless otherwise specified or defined, "first, second …" is used merely to distinguish between names and does not denote a particular quantity or order.
As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items, unless specified or otherwise defined.
It should be noted that "fixed to" or "connected to" in this document may be directly fixed to or connected to one element or may be indirectly fixed to or connected to one element.
The utility model discloses a stator core 1, as shown in figures 4 to 10, the stator core 1 comprises a base 11 and a plurality of stator single teeth 12; the stator single tooth 12 includes a first connection portion 121, a winding portion 122, and a second connection portion 123 that are sequentially disposed. The first connecting portion 121 and the second connecting portion 123 are both provided with a first connecting hole 124; the base 11 is provided with a plurality of second connecting holes 111; the first connection portion 121 and the second connection portion 123 are sequentially inserted into the first connection hole 124 and the second connection hole 111 through fasteners to be fixed on the base 11, and each stator single tooth 12 is independently arranged and is matched in the base 11 to form a ring structure. Wherein the winding portion 122 is used for winding a copper wire to form the coil 6.
It should be noted that, as shown in fig. 6, the stator single tooth 12 has a certain thickness, and the thickness of the stator single tooth 12 is the length of the stator core 1, so that the length required by the stator core 1 can be satisfied without stacking a plurality of stator single teeth 12. In addition, the stator single tooth 12 may be an integrally formed structure, and the first connection portion 121, the winding portion 122 and the second connection portion 123 may be specific regions which are specifically named for distinction according to different functions.
It can understand, this stator core 1 is through the independent setting of a plurality of stator monodentates 12, compare in the whole circle formula stator core 7 of whole circle punching sheet, the stator monodentate 12 of stator core 1 of this embodiment can be formed with winding stator monodentate 12 by the coiling copper line earlier, conveniently carry out the winding and handle, wherein the winding operation can directly adopt the automatic wire winding of machine, can form the automatic operation of winding, then can form stator core 1 on rethread fastener is fixed in stator monodentate 12 in frame 11. In addition, compare in the structure of piece together piece formula stator core 8, the stator monodentate 12 of stator core 1 of this embodiment directly wears to locate first connecting hole 124 and second connecting hole 111 in order to be fixed in frame 11 through the fastener in proper order, need not to adopt mosaic structure to connect, and the structure accuracy requirement is lower, can reduce the processing cost, and connects convenient and fast.
To sum up, this stator core 1 is fixed in on the frame 11 through setting up a plurality of independent stator monodentates 12 through the fastener, make stator monodentate 12 can wind the copper line earlier and be formed with winding stator monodentate 12 after, rethread fastener is fixed in stator monodentate 12 on the frame 11 in order to form stator core 1, conveniently carry out the winding processing on the one hand, and can form winding automation operation, on the other hand need not to adopt mosaic structure to connect, the structure accuracy requirement is lower, can reduce the processing cost, and connect convenient and fast.
Further, when the stator core 1 is applied to the motor 100, as shown in fig. 8 and 9, the structure of the motor 100 specifically includes: first rotor 2, second rotor 3, first permanent magnet 4, second permanent magnet 5, coil 6 and above-mentioned stator core 1.
The first rotor 2 is disposed outside the ring of the ring structure, the second rotor 3 is disposed inside the ring of the ring structure, the first permanent magnet 4 is disposed between the first rotor 2 and the first connecting portion 121, the second permanent magnet 5 is disposed between the second rotor 3 and the second connecting portion 123, the coil 6 is wound on the winding portion 122, the first permanent magnet 4 and the second permanent magnet 5 are opposite in magnetism, that is, the first permanent magnet 4 is an N pole, and corresponding to the second permanent magnet 5 is an S pole, the motor 100 can form an electromagnetic conversion system of a novel magnetic circuit with the stator monodentate 12 of the stator core 1 through the two rotors and the two permanent magnets, the magnetic circuit can form a magnetic circuit without the yoke of the stator core 1, specifically, in the motor 100 of the present embodiment, magnetic lines of force pass through the yoke of the first rotor 2, the first permanent magnet 4, the stator monodentate 12, the second permanent magnet 5, the yoke of the second rotor 3 forms a magnetic circuit (the magnetic lines of force are distributed as shown in fig. 10), compared with a magnetic line of force passing through the yoke of the third rotor 82, the third permanent magnet 83, the stator toothings 81 form a magnetic circuit, the stator core can reduce the torque of the motor 100, the stator core 1 can reduce the cost of the stator core 1 directly, and the stator core 1.
In some embodiments, as shown in fig. 4 and 9, the ends of the first connecting portion 121 and the second connecting portion 123, which are far away from the winding portion 122, form an arc-shaped structure; when each stator single tooth 12 is fixed in the housing 11, the end of each first connecting portion 121 is located on the first circumference, and the end of each second connecting portion 123 is located on the second circumference. First connecting portion 121 and second connecting portion 123 all set up to arc structure, can be when stator monodentate 12 is fixed in on the frame 11, a plurality of stator monodentates 12 can cooperate and form the ring structure, thereby when being applied to motor 100, the first connecting portion 121 of each stator monodentate 12, the end of second connecting portion 123 can with first permanent magnet 4 respectively, second permanent magnet 5 contact, and first rotor 2, first permanent magnet 4, stator core 1, second permanent magnet 5 and second rotor 3 can overlap in proper order and establish and form the cup joint structure, and the compactness of the structure is improved, and be convenient for form a plurality of magnetic flux return circuits in order to form drive power jointly.
In the present embodiment, as shown in fig. 7 and 9, the ends of the first connection portion 121 and the second connection portion 123, which are far away from the winding portion 122, are respectively formed into an arc-shaped structure protruding outward, the arc-shaped structure of the first connection portion 121 has a first arc-shaped high point position, and the first arc-shaped high point position of each first connection portion 121 is located on a first circumference; the arc-shaped structure of the second connecting part 123 has a second arc-shaped high point position, and the second arc-shaped high point position of the second connecting part 123 is located on a second circumference, the structure is arranged without all the positions of the arc-shaped structure of the first connecting part 121 being located on the first circumference, and without all the positions of the arc-shaped structure of the second connecting part 123 being located on the second circumference, so that on one hand, the connection lines of the tail ends of the first connecting part 121 and the second connecting part 123 can be ensured to be in contact with the first permanent magnet 4 and the second permanent magnet 5 on the same circle, the formation of a magnetic flux loop is ensured, on the other hand, the structure accuracy can be reduced, and the processing cost is reduced. Specifically, in this embodiment, the first circumference and the second circumference are concentrically arranged, so that the first rotor 2, the first permanent magnet 4, the stator core 1, the second permanent magnet 5 and the second rotor 3 can be sequentially sleeved to form a concentric sleeving structure.
In some embodiments, as shown in fig. 5, the stator single tooth 12 further includes a first insulating plate 125 and a second insulating plate 126, the first insulating plate 125 is sleeved at a transition position between the first connecting portion 121 and the winding portion 122, and the second insulating plate 126 is sleeved at a transition position between the second connecting portion 123 and the winding portion 122. It is understood that the first insulating plate 125 and the second insulating plate 126 can form an insulating skeleton on the stator single tooth 12 to facilitate a winding operation, and in addition, a winding limiting region can be formed by the cooperative disposition of the first insulating plate 125 and the second insulating plate 126, so that the coil 6 is limited only to the winding portion 122 during winding, the coil 6 is prevented from being wound out to the positions of the first connecting portion 121 and the second connecting portion 123 during automatic winding or manual winding, and the coil 6 can be isolated from other components.
In some embodiments, as shown in fig. 4 and 7, the widths of the first connecting portion 121 and the second connecting portion 123 are greater than the width of the winding portion 122, so that a space for placing the coil 6 is formed in a concave position of the stator single tooth 12 corresponding to the winding portion 122, which is convenient for a winding operation. The width of the first connecting portion 121 is greater than the width of the second connecting portion 123, so that the plurality of stator single teeth 12 are matched in the base 11 to form a ring structure, wherein the first connecting portion 121 is located on the outer side of the ring structure, and the second connecting portion 123 is located on the inner side of the ring structure.
In some embodiments, as shown in fig. 7, each of the first connection portion 121 and the second connection portion 123 is disposed at an angle to the central axis of the single stator tooth 12 on opposite sides thereof, so that the first connection portion 121, the winding portion 122 and the second connection portion 123 form a smooth transition structure, and are simple to manufacture and high in aesthetic property.
In some embodiments, the first connection hole 124 and the second connection hole 111 are both threaded holes, and the fastening member is a screw, and the screw is sequentially threaded into the first connection hole 124 and the second connection hole 111, so that the stator monodentate 12 can be stably fixed on the base 11 and is easy to detach.
The utility model provides an elevator, this elevator includes motor 100 as above, through setting up this motor 100, the magnetic line of force passes through the yoke portion of first rotor 2, first permanent magnet 4, stator monodentate 12, second permanent magnet 5, the yoke portion of second rotor 3 forms the magnetic flux return circuit, magnetic circuit can directly run through the stator monodentate 12 of whole stator core 1, this stator core 1 does not have yoke portion, can reduce the magnetic loss, equal power, under the torque condition, reducible stator core 1's length, save space, realize motor 100's thin shape better, and the manufacturing cost is reduced, can be fine be applied to no computer lab elevator hauler.
The utility model also provides a stator single tooth 12, as shown in fig. 5 to 7, the stator single tooth 12 comprises a first connecting part 121, a winding part 122 and a second connecting part 123 which are arranged in sequence; first connecting portion 121, the first connecting portion 124 that vertical run-through is all seted up to second connecting portion 123, and first connecting portion 121, second connecting portion 123 all wear to locate first connecting portion 124 in order to be fixed in on the external carrier through the fastener.
Above-mentioned, this stator monodentate 12 can be twined the copper line earlier and be formed with winding stator monodentate 12, is convenient for carry out the wire winding and handles, and wherein the wire winding operation can directly adopt the automatic wire winding of machine, can form wire winding automation operation. In addition, this stator monodentate 12 can directly wear to locate first connecting hole 124 in order to be fixed in on the outside carrier like frame 11 through the fastener, need not to adopt mosaic structure to connect, and the structure accuracy requirement is lower, can reduce the processing cost, and connects convenient and fast.
The above examples are not intended to be exhaustive list of the present invention, and there may be many other embodiments not listed. Any replacement and improvement made on the basis of not violating the conception of the utility model belong to the protection scope of the utility model.
Claims (10)
1. The stator core is characterized by comprising a machine base and a plurality of stator single teeth;
the stator single tooth comprises a first connecting part, a winding part and a second connecting part which are arranged in sequence; the first connecting part and the second connecting part are both provided with a first connecting hole which penetrates through the first connecting part and the second connecting part; the machine base is provided with a plurality of second connecting holes; the first connecting portion and the second connecting portion are sequentially arranged in the first connecting hole and the second connecting hole in a penetrating mode through fasteners to be fixed on the machine base, and the single stator teeth are independently arranged and matched in the machine base to form a ring body structure.
2. The stator core according to claim 1, wherein ends of the first connecting portion and the second connecting portion, which are away from the winding portion, are formed in an arc-shaped structure; when each stator single tooth is fixed in the base, the tail end of each first connecting part is positioned on a first circumference, and the tail end of each second connecting part is positioned on a second circumference.
3. The stator core according to claim 2, wherein the ends of the first connecting portions and the second connecting portions, which are far away from the winding portion, are respectively formed into an outwardly protruding arc-shaped structure, the arc-shaped structure of the first connecting portions has a first arc-shaped high point position, and the first arc-shaped high point position of each first connecting portion is located on the first circumference; the arc-shaped structure of the second connecting part is provided with a second arc-shaped high point position, and the second arc-shaped high point position of the second connecting part is positioned on the second circumference.
4. The stator core of claim 3 wherein the first circumference and the second circumference are concentrically arranged.
5. The stator core according to claim 1, wherein the stator single tooth further comprises a first insulating plate and a second insulating plate, the first insulating plate is sleeved at a transition position between the first connecting portion and the winding portion, and the second insulating plate is sleeved at a transition position between the second connecting portion and the winding portion.
6. The stator core according to claim 1, wherein the first connection portion and the second connection portion each have a width greater than a width of the winding portion.
7. The stator core according to claim 6 wherein the first connecting portion and the second connecting portion are each provided with opposite sides inclined toward a central axis of the single stator tooth.
8. An electrical machine comprising a first rotor, a second rotor, a first permanent magnet, a second permanent magnet, a coil and a stator core according to any one of claims 1 to 7;
the first rotor set up in the ring outside of ring structure, the second rotor set up in the ring inboard of ring structure, first permanent magnet set up in first rotor with between the first connecting portion, the second permanent magnet set up in the second rotor with between the second connecting portion, the coil is around locating on the wire winding portion, first permanent magnet with second permanent magnet magnetism is opposite.
9. Elevator, characterized in that it comprises a motor according to claim 8.
10. The single stator tooth is characterized by comprising a first connecting part, a winding part and a second connecting part which are sequentially arranged; first connecting portion, second connecting portion all set up the first connecting hole of vertical run-through, first connecting portion, second connecting portion all wear to locate through the fastener first connecting hole is in order to be fixed in on the external carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222902046.5U CN218386975U (en) | 2022-10-31 | 2022-10-31 | Stator single tooth, stator core, motor and elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222902046.5U CN218386975U (en) | 2022-10-31 | 2022-10-31 | Stator single tooth, stator core, motor and elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218386975U true CN218386975U (en) | 2023-01-24 |
Family
ID=84936516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222902046.5U Active CN218386975U (en) | 2022-10-31 | 2022-10-31 | Stator single tooth, stator core, motor and elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218386975U (en) |
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2022
- 2022-10-31 CN CN202222902046.5U patent/CN218386975U/en active Active
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