CN210327168U - Inner rotor direct-drive motor for large-diameter industrial ceiling fan - Google Patents
Inner rotor direct-drive motor for large-diameter industrial ceiling fan Download PDFInfo
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- CN210327168U CN210327168U CN201921478010.0U CN201921478010U CN210327168U CN 210327168 U CN210327168 U CN 210327168U CN 201921478010 U CN201921478010 U CN 201921478010U CN 210327168 U CN210327168 U CN 210327168U
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Abstract
The utility model discloses an inner rotor direct drive motor for major diameter industry ceiling fan, fixed axle including coaxial arrangement, stator and rotor, the outside extension of fixed axle tip circumference has the chassis, it has its axial section of fixed axle on chassis to extend for the T font of handstand, the stator cover is located outside the fixed axle, it is fixed with the chassis of fixed axle, the rotor is located the stator, the rotor passes through the bearing rotatable installation on the fixed axle, the outside extension of one end tip circumference that the fixed axle chassis was kept away from to the rotor has outer edge, it has its axial section of rotor on outer edge to be hollow T font to extend, the outer edge of rotor covers on the stator, and the outer edge of rotor is equipped with the blade installation position that is used for installing the ceiling fan blade. On one hand, the heat generated by the stator can be directly, quickly and effectively distributed; on the other hand, the stator and the rotor are both positioned above the fixed shaft chassis, and no part is arranged below the fixed shaft chassis, so that the hidden danger that the part falls does not exist.
Description
Technical Field
The utility model relates to a motor field especially relates to an inner rotor direct drive motor for major diameter industry ceiling fan.
Background
The blades of the large-diameter industrial ceiling fan are usually more than 5m, and the large-diameter industrial ceiling fan is mainly used for generating breeze similar to natural wind, accelerating air circulation in an oversized space and improving air environment. The existing large-diameter industrial ceiling fan is mostly driven by adopting an asynchronous motor, particularly, the asynchronous motor is decelerated by a speed reducer to drive the large-diameter industrial ceiling fan, and although the driving transmission mode can meet the requirements of low rotating speed and large torque, the driving transmission mode is often accompanied with the problems of high energy consumption, high noise, easiness in oil leakage, complex blade connecting mechanism, high maintenance cost and the like. In order to avoid the above problems caused by the driving of an asynchronous motor, the prior large-diameter industrial ceiling fan adopting an outer rotor direct drive motor to directly drive blades also appears, and the large-diameter industrial ceiling fan adopting the outer rotor direct drive motor to directly drive the blades can meet the requirements of low rotating speed and large torque, and has the advantages of low noise and low energy consumption.
Disclosure of Invention
An object of the utility model is to provide an inner rotor direct drive motor for major diameter industry ceiling fan.
Realize the utility model discloses purpose technical scheme is: an inner rotor direct drive motor for a large-diameter industrial ceiling fan comprises a fixed shaft, a stator and a rotor which are coaxially installed, wherein a chassis extends outwards from one end part of the fixed shaft in the circumferential direction, the axial section of the fixed shaft extending to form an inverted T shape, the stator comprises a stator shell, a stator core and a stator coil, the stator shell is sleeved outside the fixed shaft and fixed with the chassis of the fixed shaft, the stator core is coaxially sleeved and tightly attached to the inner wall of the stator shell, the stator coil is wound on the stator core, the rotor is positioned in the stator and comprises a rotor core and a permanent magnet attached to the outer circumferential wall of the rotor core, a bearing is sleeved outside the fixed shaft, the rotor core is rotatably installed on the fixed shaft through the bearing, an outer edge extends outwards from one end part of the rotor core, which is far away from the chassis of the fixed shaft, the axial, the outer edge of the rotor core covers the stator, and the outer edge of the rotor core is provided with a blade mounting position for mounting the blades of the ceiling fan.
Furthermore, a heat dissipation hole is formed in a chassis of the fixing shaft. The heat dissipation holes are arranged, so that heat inside the motor can be dissipated conveniently.
The utility model is used for the inner rotor direct drive motor of major diameter industry ceiling fan, on one hand, the stator is established outside the rotor, and after the stator coil circular telegram in the stator, the heat that produces is transmitted to the stator shell that exposes in the air by the stator core, distributes away by the stator shell fast, effectively to make the temperature rise of motor can keep in the safety range; on the other hand, the end part of the lower end of the fixed shaft extends out of the chassis in the circumferential direction, the stator and the rotor are both positioned above the fixed shaft chassis, no part is arranged below the fixed shaft chassis, the hidden danger that the part falls off does not exist, and the safety is very high.
Drawings
FIG. 1 is a schematic view of the inner rotor direct drive motor for a large diameter industrial ceiling fan according to the present invention;
FIG. 2 is a schematic top view of the inner rotor direct drive motor for a large diameter industrial ceiling fan of the present invention;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a cross-sectional structural view taken along line B-B of FIG. 1, wherein the stator coil is not included;
FIG. 5 is a schematic view of the fixed shaft of the inner rotor direct drive motor for a large diameter industrial ceiling fan of the present invention;
fig. 6 is a schematic structural view of the rotor of the inner rotor direct drive motor for large diameter industrial ceiling fan of the present invention.
Detailed Description
The following detailed description of the embodiments of the inner rotor direct drive motor for large diameter industrial ceiling fan according to the present invention is made with reference to the accompanying drawings:
as shown in fig. 1 to 6, an inner rotor direct drive motor for a large diameter industrial ceiling fan comprises a fixing shaft 1, a stator 2 and a rotor 3 which are coaxially installed, wherein a base plate 11 extends outwards in the circumferential direction at one end of the fixing shaft 1, the fixing shaft 1 extending with the base plate 11 is inverted T-shaped in the axial section, the stator 2 comprises a stator shell 21, a stator core 22 and a stator coil 23, the stator shell 21 is sleeved outside the fixing shaft 1 and fixed with the base plate 11 of the fixing shaft 1, the stator core 22 is coaxially sleeved and tightly attached to the inner wall of the stator shell 21, the stator coil 23 is wound on the stator core 22, the rotor 3 is located in the stator 2, the rotor 3 comprises a rotor core 31 and a permanent magnet 32 attached to the outer circumferential wall of the rotor core 31, the bearing 4 is sleeved outside the fixing shaft 1, the rotor core 31 is rotatably installed on the fixing shaft 1 through the bearing 4, an outer edge 311 extends outwards in the circumferential direction, the rotor core 31 with the extended outer edge 311 has a hollow T-shaped axial section, the outer edge 311 of the rotor core 31 covers the stator 2, and the outer edge 311 of the rotor core 31 is provided with a blade mounting position 312 for mounting the blades of the ceiling fan.
The utility model is used for the inner rotor of major diameter industry ceiling fan directly drives the motor, and stator coil 23 lets in the electric current after, and the electromagnetic force of production makes rotor 3 rotatory around fixed axle 1.
The utility model is used for the inner rotor of major diameter industry ceiling fan directly drives the motor, and rotor core 31 keeps away from the outside outer edge 311 that extends of one end tip circumference of fixed axle chassis 11 for when installing the blade on blade installation position 312, still cover on stator 2 through making it, realize the encapsulation of motor, inside the reduction dust enters into the motor, influence the operation of motor.
The utility model is used for the inner rotor direct drive motor of major diameter industry ceiling fan, on one hand, stator 2 is established outside rotor 1, and after stator coil 23 in stator 2 switched on, the heat that produces is transmitted to stator shell 21 exposed in the air by stator core 22, is distributed away by stator shell 21 fast, effectively to make the temperature rise of motor can keep in the safety range; on the other hand, the end part of the lower end of the fixed shaft 1 extends out of the chassis 11 in the circumferential direction, the stator 2 and the rotor 3 are both positioned above the fixed shaft chassis 11, no part is arranged below the fixed shaft chassis 11, the hidden danger that the part falls off does not exist, and the safety is very high.
The utility model is used for inner rotor of major diameter industry ceiling fan directly drives motor, simple structure, long service life, safe and reliable.
The utility model is used for the inner rotor of major diameter industry ceiling fan directly drives the motor, preferably, louvre 12 has been seted up on the chassis 11 of fixed axle 1. The heat dissipation holes 12 are arranged to facilitate the dissipation of heat inside the motor.
The utility model is used for the inner rotor direct drive motor of the large-diameter industrial ceiling fan, the fixed shaft 1 and the extended chassis 11 thereof can be an integral structure, and can also be a split structure of a combined part; the rotor core 31 and the extended outer edge 311 thereof may be an integral structure or a separate structure of a joint.
The utility model discloses an inner rotor direct drive motor for major diameter industry ceiling fan is not limited to the embodiment, to the utility model discloses the ordinary technical personnel of technical field are not deviating from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (2)
1. The utility model provides an inner rotor direct drive motor for major diameter industry ceiling fan, includes coaxial arrangement's fixed axle, stator and rotor, its characterized in that: a chassis extends outwards in the circumferential direction at one end part of the fixed shaft, the fixed shaft with the chassis extends, the axial section of the fixed shaft is in an inverted T shape, the stator comprises a stator shell, a stator core and a stator coil, the stator shell is sleeved outside the fixed shaft, the stator core is coaxially arranged close to the inner wall of the stator shell in a sleeved mode, the stator coil is arranged on the stator core in a wound mode, the rotor is located in the stator and comprises a rotor core and a permanent magnet, the permanent magnet is attached to the outer circumferential wall of the rotor core, a bearing is sleeved outside the fixed shaft, the rotor core is rotatably installed on the fixed shaft through the bearing, an outer edge extends outwards in the circumferential direction of the end portion, far away from the fixed shaft chassis, of the rotor core, the axial section of the rotor core, extending to the outer edge, is in a hollow T shape, the outer edge of the rotor core covers the stator, and a blade installation position used for installing blades of a ceiling fan is arranged on.
2. The inner rotor direct drive motor for large diameter industrial ceiling fans of claim 1 wherein: the chassis of the fixed shaft is provided with heat dissipation holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921478010.0U CN210327168U (en) | 2019-09-06 | 2019-09-06 | Inner rotor direct-drive motor for large-diameter industrial ceiling fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921478010.0U CN210327168U (en) | 2019-09-06 | 2019-09-06 | Inner rotor direct-drive motor for large-diameter industrial ceiling fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210327168U true CN210327168U (en) | 2020-04-14 |
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ID=70132130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921478010.0U Active CN210327168U (en) | 2019-09-06 | 2019-09-06 | Inner rotor direct-drive motor for large-diameter industrial ceiling fan |
Country Status (1)
| Country | Link |
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| CN (1) | CN210327168U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022113936A1 (en) * | 2020-11-27 | 2022-06-02 | 株式会社デンソー | Dynamo-electric machine |
-
2019
- 2019-09-06 CN CN201921478010.0U patent/CN210327168U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022113936A1 (en) * | 2020-11-27 | 2022-06-02 | 株式会社デンソー | Dynamo-electric machine |
| JPWO2022113936A1 (en) * | 2020-11-27 | 2022-06-02 | ||
| JP7424513B2 (en) | 2020-11-27 | 2024-01-30 | 株式会社デンソー | rotating electric machine |
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