SUMMERY OF THE UTILITY MODEL
According to the defects in the prior art, the outer rotor direct-drive electric roller device for the automatic door is provided, and has the advantages of simple structure, direct drive, low operation cost, low operation noise, accurate position control, smaller volume of the automatic door equipment and maintenance-free property.
The utility model discloses a technical means as follows:
a rotor direct-drive electric roller device for an automatic door comprises a rotor part, a stator part, a rotating shaft part and a magnetic encoder, wherein the rotor part is provided with a stator core;
the rotor part comprises a cylinder body serving as a shell of the roller device, a magnetic pole sleeve fixedly arranged on the inner wall of the cylinder body and a magnetic pole attached to the inner wall of the magnetic pole sleeve;
a front end cover and a rear end cover are respectively fixedly arranged at two ends of the cylinder body, and a middle end cover is fixedly arranged in the middle of the cylinder body;
the rotating shaft part comprises a secondary shaft and a primary shaft; the auxiliary shaft is arranged on the front end cover through front bearings respectively arranged at two ends; one end of the main shaft is mounted on the middle end cover through a middle bearing, and the other end of the main shaft is mounted on the rear end cover through a rear bearing;
the stator component is fixedly arranged on the main shaft, and the magnetic pole is positioned on the outer side of the stator component;
the magnetic encoder is fixed at the end part of the main shaft, a magnetic steel bracket is arranged at one end of the middle end cover connected with the main shaft, and the magnetic steel is fixedly arranged on the magnetic steel bracket.
Further, the magnetic encoder is used for sensing the position of the magnetic steel.
Furthermore, the stator component consists of a plurality of silicon steel sheets and windings; the winding is a single-phase winding or a multi-phase winding.
Further, the cylinder is of a cylindrical hollow structure.
Further, the magnet is a permanent magnet with a cylindrical hollow structure.
Further, the main shaft is of a hollow shaft structure, and the outgoing line of the stator component is led out from the hollow through hole of the hollow shaft structure.
Compared with the prior art, the utility model has the advantages of it is following:
1. the utility model provides a be used for automatically-controlled door outer rotor to directly drive electric cylinder device has independent outer rotor to directly drive the motor, does not need any drive mechanism, does not have the wearing and tearing problem that any drive disk assembly brought and installs conveniently, and equipment structure is simple, can realize non-maintaining in the aspect of using; the position of the rotor is directly induced through the magnetic encoder, and the position of the door plate is controlled very accurately.
2. The utility model provides a direct-drive electric roller device for an outer rotor of an automatic door, which is a high-efficiency permanent magnet motor, has no transmission loss, obviously reduces the power consumption of equipment, and reduces the energy consumption by more than 20 percent compared with the traditional equipment;
3. the utility model provides a be used for automatically-controlled door outer rotor to directly drive motorized pulley device, the fixed axle divide into main shaft and countershaft, and it is high to have avoided whole root to lead to the axle processing degree of difficulty, and the bad problem of whole concentricity has improved machining efficiency.
4. The utility model provides a be used for automatically-controlled door outer rotor to directly drive motorized pulley device, the integral structure design of adoption for the volume of automatically-controlled door is smaller and more exquisite, and simple to operate just is more pleasing to the eye.
Based on the reason, the utility model discloses can extensively promote in fields such as automatically-controlled door equipment.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. 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.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element in question must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.
Example 1
As shown in fig. 1-2, the present invention provides a rotor direct-drive motorized roller device for an automatic door, which comprises a rotor component, a stator component 12, a rotating shaft component and a magnetic encoder 7;
the rotor part comprises a cylinder 4 as a shell of the roller device, a magnetic pole sleeve 11 fixedly arranged on the inner wall of the cylinder 4 and a magnetic pole 10 attached to the inner wall of the magnetic pole sleeve 11;
a front end cover 1 and a rear end cover 13 are respectively fixedly arranged at two ends of the cylinder body 4, and a middle end cover 9 is fixedly arranged in the middle;
the rotating shaft parts comprise a secondary shaft 2 and a primary shaft 16; the auxiliary shaft 2 is arranged on the front end cover 1 through front bearings 3 respectively arranged at two ends; one end of the main shaft 16 is mounted on the middle end cover 9 through a middle bearing 8, and the other end of the main shaft is mounted on the rear end cover 13 through a rear bearing 14;
the stator part 12 is fixedly arranged on the main shaft 16, and the magnetic pole 10 is positioned outside the stator part 12;
the magnetic encoder 7 is fixed at the end part of the main shaft 16, a magnetic steel bracket 5 is arranged at one end of the middle end cover 9 connected with the main shaft 16, and the magnetic steel 6 is fixedly arranged on the magnetic steel bracket 5.
Further, the magnetic encoder 7 is used for sensing the position of the magnetic steel 6.
Further, the stator component 12 is composed of a plurality of silicon steel sheets and windings; the winding is a single-phase winding or a multi-phase winding.
Further, the cylinder 4 is a cylindrical hollow structure.
Further, the magnetic pole 10 is a permanent magnet having a cylindrical hollow structure.
Further, the main shaft 16 is a hollow shaft structure, and the lead-out wire 15 of the stator component 12 is led out from a hollow through hole of the hollow shaft structure.
The magnetic encoder 7 is fixed at the end part of the main shaft, and the magnetic steel 6 is fixed on the middle end cover 9 through the magnetic steel bracket 5 by bolts and rotates together with the rotor.
Further, one end of each of the auxiliary shaft 2 and the main shaft 16 extends out of the cylinder 4, and the extending parts of the auxiliary shaft 2 and the main shaft 16 are used for fixedly connecting an external bracket when in use.
The utility model discloses a theory of operation: the magnetic steel 6 is fixed on the middle end cover 9 and rotates with the cylinder 5, half of the circular magnetic steel 6 is N pole and half is S pole, a rotating magnetic field is formed when rotating, the device senses the position of the magnetic steel 6 through the magnetic encoder 7, further induces the change of the magnetic field, corresponding current is given out by an external driver (such as a servo motor) according to the position of the magnetic steel 6, so that the stator part 12 generates the rotating magnetic field attracted with the magnetic pole 10, the rotating magnetic field changes the corresponding rotating speed of the rotating magnetic field along with the frequency change of the current of a driving power supply of the external driver, further drives the magnetic pole 10 to rotate correspondingly, as the magnetic pole 10 is attached to the inner wall of the magnet sleeve 11, the magnet sleeve 11 is directly attached to the inner wall of the cylinder 4, the stator part 12 is fixed on the main shaft 16, and the two ends of the auxiliary shaft 2 and the main shaft 16 are respectively provided, and fix each bearing on the cylinder 4 through the front end cap 1, middle end cap 9 rear end cap 13, form the outer rotor and directly drive the electric machine structure, as shown in fig. 2, when using, the utility model relates to an automatic door spindle outer rotor directly drives the electric cylinder 18 and is connected with the door plant 20 through the fixed bolster 19, the cylinder 4 can be rotated along with the magnetic pole 10 together when the countershaft 2, main shaft 16 are fixed, produce the rotation of the cylinder, thus make the door plant open, close; through setting up magnetic encoder 7, can make this device have the characteristic that starts rapidly, stops rapidly, and position control is accurate, satisfies automatically-controlled door operation requirement.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.