CN217769636U - Rotor sheet, rotor core, rotor and roller shutter door motor - Google Patents
Rotor sheet, rotor core, rotor and roller shutter door motor Download PDFInfo
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- CN217769636U CN217769636U CN202221753397.8U CN202221753397U CN217769636U CN 217769636 U CN217769636 U CN 217769636U CN 202221753397 U CN202221753397 U CN 202221753397U CN 217769636 U CN217769636 U CN 217769636U
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Abstract
The utility model provides a rotor piece, rotor core, rotor and rolling slats door motor relates to the motor field. A rotor sheet comprises a rotor sheet body, a shaft hole is formed in the center of the rotor sheet body, a plurality of rotor grooves are formed in the rotor sheet body, the rotor grooves are arranged to be circular, each rotor groove is a gourd-shaped closing groove, each gourd-shaped closing groove comprises an outer groove hole and an inner groove hole, the outer groove holes are connected with the inner groove holes through connecting groove holes, and the area of each outer groove hole is smaller than that of each inner groove hole. The rotor slots on the rotor sheet of the utility model are gourd-shaped closed slots, the area of the outer slot is smaller than that of the inner slot, when starting, the skin effect is obvious, the flow is mainly guided by the outer slot, the magnetic leakage flux of the inner slot is very large, the flowing current is very small, the rotor resistance is very large, the rotor has better operating characteristics, the rotor has larger starting torque, and the rotor can be started with rated load; therefore, the utility model discloses a rolling slats door motor is used for starting moment to require comparatively big, and operating duration is not long rolling slats door, and is effectual, is difficult to damage.
Description
Technical Field
The utility model relates to a motor field, in particular to rotor piece, rotor core, rotor and roll up curtain door motor.
Background
An electric motor is a device that converts electrical energy into mechanical energy. The motor mainly comprises a stator and a rotor, and the direction of the forced movement of the electrified conducting wire in the magnetic field is related to the current direction and the magnetic induction line direction. The working principle of the motor is that the magnetic field exerts force on current to rotate the motor.
The rolling door is a door which is formed by connecting a plurality of movable door sheets in series and rotates up and down by taking a scroll above the door as a center in a fixed slideway. Roller doors are widely used in stores, parking garages, and the like. The existing roller shutter door is mostly an electric roller shutter, a roller shutter central shaft is driven to rotate through a motor during use, the purpose that the roller shutter moves up and down is achieved, and the roller shutter door automatically stops when the roller shutter door rotates to an upper limit and a lower limit set by the motor. Because the rolling door is heavier, when opening, need great power, but current rolling door motor adopts the ordinary motor of general formula mostly, has that motor moment is little, the easy problem of damaging.
SUMMERY OF THE UTILITY MODEL
The utility model provides a rotor piece, rotor core, rotor and rolling slats door motor has solved current rolling slats door motor and has adopted the ordinary motor of universal most, and it is little to have motor torque, defect easy damage.
The technical scheme of the utility model is realized like this:
the utility model discloses at first provide a rotor piece, including the rotor lamellar body, the shaft hole has been seted up at rotor lamellar body center, has seted up a plurality of rotor grooves on the rotor lamellar body, and the rotor groove is arranged into circularly, and the rotor groove is calabash shape closed slot, and calabash shape closed slot includes outer slotted hole and inside slotted hole, and outer slotted hole and inside slotted hole are connected through connecting the slotted hole, and outer slotted hole area is less than inside slotted hole.
As a further technical scheme, the outer end of the outer slotted hole is also connected with a slotted nozzle hole.
As a further technical scheme, the slot mouth hole is an arc convex slot hole.
As a further technical scheme, the outer slotted hole is a circular slotted hole, an elliptical slotted hole or an elliptical slotted hole, the connecting slotted hole is a rectangular slot, and the inner slotted hole is a circular slotted hole, an elliptical slotted hole or an elliptical slotted hole.
As a further technical scheme, the rotor sheet body can be made of aluminum alloy.
The utility model discloses secondly provide rotor core, by above a plurality of pieces rotor piece stack fixed the constitution.
The utility model provides a rotor once more, including above rotor core, rotor core middle fixed cover be equipped with shaft hole complex pivot is provided with rotor winding in the rotor groove.
The utility model discloses provided rolling slats door motor at last, including the above the rotor, still include the stator, the stator includes stator core, stator core is fixed by a plurality of stator pieces superposes and forms, the rotor hole of cooperation rotor is seted up at the center of stator piece, has seted up a plurality of stator slots on the stator piece, the stator slot is arranged into circularly, the stator slot is the pear-shaped groove that the inner is less than the outer end, the inner in pear-shaped groove is open end and rotor hole intercommunication, is provided with stator winding in the stator slot.
As a further technical scheme, the number of the rotor slots is 30, and the number of the stator slots is 24.
The utility model has the advantages that: the rotor slots on the rotor sheet of the utility model are gourd-shaped closed slots, the area of the outer slot is smaller than that of the inner slot, when starting, the skin effect is obvious, the flow is mainly guided by the outer slot, the magnetic leakage flux of the inner slot is very large, the flowing current is very small, the rotor resistance is very large, the rotor has better operating characteristics, the rotor has larger starting torque, and the rotor can be started with rated load; therefore, the roller shutter door motor of the utility model has a large requirement on starting torque and good effect and is not easy to damage for the roller shutter door with short running time; the stator piece has high material utilization rate and low production cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the structure of embodiment 1;
FIG. 2 is a schematic view of the structure of embodiment 2;
FIG. 3 is a schematic view of a stator plate in accordance with embodiment 4;
fig. 4 is a schematic structural view of a rotor core and a stator core in embodiment 4.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1, the present embodiment provides a rotor sheet 1, including a rotor sheet body 11, a shaft hole 12 is formed in the center of the rotor sheet body 1, a plurality of rotor slots 13 are formed in the rotor sheet body 11, the rotor slots 13 are arranged in a circular shape, the rotor slots 13 are gourd-shaped closed slots, the gourd-shaped closed slots include an outer slot 131 and an inner slot 132, the outer slot 131 and the inner slot 132 are connected by a connecting slot 133, and the area of the outer slot 131 is smaller than that of the inner slot 132.
As a further technical proposal, the outer end of the outer slotted hole 131 is also connected with a slotted nozzle hole 134.
As a further technical solution, the slot opening 134 is an arc-shaped convex slot opening.
As a further technical solution, the outer slot 131 is a circular slot, an elliptical slot or an elliptical slot; the connecting slot 133 is a rectangular slot; the inner slot 132 is a circular slot, an elliptical slot, or an elliptical slot.
As a further technical solution, the material of the rotor sheet 11 may be aluminum alloy.
The utility model discloses a rotor groove 13 on rotor piece 1 is calabash shape closed slot, and outer slotted hole 131 area is less than interior slotted hole 132, and during the start-up, the skin effect is showing, mainly by outer slotted hole 131 water conservancy diversion, and interior slotted hole 132 magnetic leakage flux is very big, the electric current of flowing through is very little, leads to rotor resistance very big, possesses better operating characteristic, has great starting torque, can take the rated load to start.
Example 2
Referring to fig. 2, the present embodiment proposes a rotor core 2, which is formed by stacking and fixing a plurality of rotor sheets 1 described in embodiment 1.
Example 3
This embodiment has proposed the rotor, including embodiment 2 rotor core 2, rotor core 2 middle fixed cover be equipped with shaft hole complex pivot is provided with rotor winding in the rotor groove.
Example 4
Referring to fig. 3 to 4, the present embodiment provides a roller shutter door motor 3, including the rotor described in embodiment 3, and further including a stator 4, where the stator includes a stator core 5, the stator core 5 is formed by stacking and fixing a plurality of stator pieces 51, a rotor hole 52 matching with the rotor is formed in the center of the stator piece 51, a plurality of stator slots 53 are formed in the stator piece 51, the stator slots 52 are arranged in a circular shape, the stator slots 53 are pear-shaped slots whose inner ends are smaller than outer ends, the inner ends of the pear-shaped slots are open ends and are communicated with the rotor hole 52, and stator windings are disposed in the stator slots 53.
As a further technical solution, the number of the rotor slots 13 is 30, and the number of the stator slots 53 is 24.
Therefore, the utility model discloses a rolling slats door motor 3 is used for starting the moment requirement great, and operating duration is not long rolling slats door, and is effectual, is difficult to damage. The stator piece has high material utilization rate and low production cost.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A rotor sheet characterized by: the rotor comprises a rotor sheet body, wherein a shaft hole is formed in the center of the rotor sheet body, a plurality of rotor grooves are formed in the rotor sheet body, the rotor grooves are arranged to be circular, each rotor groove is a gourd-shaped closed groove, each gourd-shaped closed groove comprises an outer groove hole and an inner groove hole, the outer groove hole and the inner groove hole are connected through a connecting groove hole, and the area of the outer groove hole is smaller than that of the inner groove hole.
2. A rotor sheet according to claim 1, wherein: the outer end of the outer slotted hole is also connected with a slotted nozzle hole.
3. A rotor sheet according to claim 2, wherein: the slot mouth hole is an arc convex slot hole.
4. A rotor sheet according to claim 1, wherein: the outer slotted hole is a circular slotted hole, an elliptical slotted hole or an elliptical slotted hole; the connecting slotted hole is a rectangular groove; the inner slotted hole is a circular slotted hole, an elliptical slotted hole or an elliptical slotted hole.
5. Rotor core, its characterized in that: consisting of several rotor sheets according to any of claims 1-4 fixed one above the other.
6. A rotor, characterized in that: the rotor comprises a rotor core as claimed in claim 5, wherein a rotating shaft matched with the shaft hole is fixedly sleeved in the middle of the rotor core, and a rotor winding is arranged in the rotor slot.
7. Roller shutter door motor, its characterized in that: the rotor of claim 6, further comprising a stator, wherein the stator comprises a stator core, the stator core is formed by stacking and fixing a plurality of stator sheets, a rotor hole matched with the rotor is formed in the center of each stator sheet, a plurality of stator slots are formed in each stator sheet, the stator slots are arranged in a circular shape, each stator slot is a pear-shaped slot, the inner end of each pear-shaped slot is smaller than the outer end of each stator slot, the inner end of each pear-shaped slot is an open end and is communicated with the rotor hole, and a stator winding is arranged in each stator slot.
8. The motor for a roll screen door according to claim 7, wherein: the number of the rotor slots is 30, and the number of the stator slots is 24.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221753397.8U CN217769636U (en) | 2022-07-07 | 2022-07-07 | Rotor sheet, rotor core, rotor and roller shutter door motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221753397.8U CN217769636U (en) | 2022-07-07 | 2022-07-07 | Rotor sheet, rotor core, rotor and roller shutter door motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217769636U true CN217769636U (en) | 2022-11-08 |
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ID=83871295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221753397.8U Active CN217769636U (en) | 2022-07-07 | 2022-07-07 | Rotor sheet, rotor core, rotor and roller shutter door motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217769636U (en) |
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2022
- 2022-07-07 CN CN202221753397.8U patent/CN217769636U/en active Active
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