CN216672760U

CN216672760U - Direct current brushless motor adopting Hall-free FOC control technology

Info

Publication number: CN216672760U
Application number: CN202123345966.3U
Authority: CN
Inventors: 刘荣庆; 高明
Original assignee: Changzhou Zhongbo Motor Co ltd
Current assignee: Changzhou Zhongbo Motor Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-06-03
Anticipated expiration: 2031-12-28

Abstract

The application discloses adopt brushless DC motor of no hall FOC control technique, including motor housing, front end housing, rear end cap, ball bearing, pivot, screw thread, preceding opening, back opening, screw, sealing washer and roll up board. The direct-current brushless motor has a reasonable structure, adopts a Hall-free FOC control technology, has the advantages of low vibration noise and high motor efficiency reliability, adopts an integrated design of a motor electrodeless controller, has the advantages of electrodeless speed regulation, constant torque, constant rotating speed and constant air volume, and is suitable for air source heat pumps, axial flow fans, fresh air systems, household air conditioners and commercial air conditioners; the direct current brushless motor adopts the rolled plate to facilitate the installation of the motor, has the advantage of adjustable installation size, meets various use environments, has good sealing performance, has a heat dissipation function, can avoid dust from entering, and prolongs the service life of the direct current brushless motor.

Description

Direct current brushless motor adopting Hall-free FOC control technology

Technical Field

The application relates to the field of direct current brushless motors, in particular to a direct current brushless motor adopting Hall-free FOC control technology.

Background

The brushless DC motor is a synchronous motor composed of a motor main body and a driver, and is also a typical electromechanical integrated product, has the advantages of the traditional DC motor, simultaneously cancels a carbon brush and a slip ring structure, and can run at low speed and high power. The device has the advantages of small volume, light weight, good stability and high efficiency, so the device is widely applied to automobiles, automation, aerospace and the like.

The direct current brushless motor generally adopts hall FOC control technology to carry out the control of the numerous motors of direct current, but the big motor efficiency reliability of vibrations noise is poor, and the motor installation is comparatively inconvenient, is difficult to use the installation of the motor of different models. Therefore, a brushless dc motor using hall-less FOC control technology is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

A direct current brushless motor adopting Hall-free FOC control technology comprises a motor shell, a front end cover and a rear end cover; the front end cover and the rear end cover are fixedly connected with the motor shell through screws, the ball bearing is fixedly connected to the middle of the front end cover, a front opening and a rear opening are respectively formed in the surfaces of the front end cover and the rear end cover, the edges of the front end cover and the rear end cover are both attached to the sealing ring, and a rolling plate is fixedly welded on the surface of the motor shell.

Preferably, the two ends of the motor shell are fixedly sleeved with the sealing rings, four rolling plates are uniformly distributed on the surface of the motor shell, and the four rolling plates are of L-shaped structures.

Preferably, a plurality of screws are uniformly distributed on the edges of the front end cover and the rear end cover, the front end cover and the rotating shaft are inserted and connected in a penetrating mode and extend to the interior of the motor shell, and a motor controller is integrally installed in the motor shell.

Preferably, the end part of the rotating shaft is provided with threads, and the rotating shaft is rotatably connected with the inside of the ball bearing.

Preferably, the filter screens are fixedly mounted in the front end cover and the rear end cover, and the front opening and the rear opening on the surfaces of the front end cover and the rear end cover are both connected with the filter screens in a laminating manner.

The utility model has the beneficial effects that: the brushless direct current motor has the advantages of low vibration noise and high motor efficiency and reliability, adopts the integrated design of the motor electrodeless controller, has the advantages of electrodeless speed regulation, constant torque, constant rotating speed and constant air quantity, is suitable for air source heat pumps, axial flow fans, fresh air systems, household air conditioners and commercial air conditioners, has the advantage of adjustable installation size, meets various use environments, has good sealing performance, has a heat dissipation function, can avoid dust from entering, and prolongs the service life of the brushless direct current motor.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a perspective view of the overall structure of one embodiment of the present application;

FIG. 2 is a schematic front view of an embodiment of the present application;

FIG. 3 is a schematic side view of an embodiment of the present application.

In the figure: 1. motor housing, 2, front end housing, 3, rear end housing, 4, ball bearing, 5, pivot, 6, screw thread, 7, front opening, 8, rear opening, 9, screw, 10, sealing washer, 11, roll up board.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1-3, a brushless dc motor using hall-free FOC control technology includes a motor housing 1, a front end cap 2, and a rear end cap 3; front end housing 2 and rear end housing 3 all pass through screw 9 and motor housing 1 fixed connection, 2 middle part fixedly connected with ball bearing 4 of front end housing, front opening 7 and rear opening 8 have been seted up respectively on

front end housing

2 and 3 surfaces of rear end housing,

front end housing

2 and 3 edges of rear end housing all are connected with the laminating of sealing washer 10, the welding of 1 fixed surface of motor housing has roll board 11.

Sealing rings 10 are fixedly sleeved at two ends of the motor shell 1, four rolling plates 11 are uniformly distributed on the surface of the motor shell 1, and the four rolling plates 11 are all of L-shaped structures; a plurality of screws 9 are uniformly distributed on the edges of the front end cover 2 and the rear end cover 3, the front end cover 2 and the rotating shaft 5 are inserted in a penetrating manner and extend into the motor shell 1, and a motor controller is integrally installed in the motor shell 1; the end part of the rotating shaft 5 is provided with a thread 6, and the rotating shaft 5 is rotatably connected with the inside of the ball bearing 4; front end housing 2 and the inside all fixed mounting of rear end housing 3 have the filter screen, front end housing 2 and the 3 surperficial front opening 7 of rear end housing and rear opening 8 all are connected with the filter screen laminating.

When the direct current brushless motor is used, the rotor and the stator are installed in the motor shell 1, the electrodeless controller is integrally installed for motor control, the electrodeless speed regulation interface is adopted to facilitate installation and plug and play, the problem that the vibration noise is large and the motor efficiency is reliable due to a Hall FOC control technology is solved, the advantages of the electrodeless speed regulation, the constant torque, the constant rotating speed and the constant air volume of the direct current brushless motor are realized, the service performance of the direct current brushless motor is improved, the fan blade installation of a fan is realized through the threads 6 arranged on the rotating shaft 5, when the direct current brushless motor is used, the heat dissipation can be realized through the front opening 7 on the front end cover 2 and the rear opening 8 on the rear end cover 3, the service life of the motor is prolonged, the filter screens are installed in the front end cover 2 and the rear end cover 3, the dust can be prevented from entering, the dustproof effect of the motor can be improved, and the front end cover 2 and the rear end cover 3 are installed with the motor shell 1 through the screws 9, the flexible rolling plate 11 is suitable for installation in various environments, is not limited by the size of the motor, meets various installation environments, adopts the low-noise ball bearings 4 such as NSK and TPI, reduces the noise problem of the motor as far as possible, and improves the service performance of the brushless direct current motor.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides an adopt direct current brushless motor of no hall FOC control technology which characterized in that: comprises a motor shell (1), a front end cover (2) and a rear end cover (3); front end housing (2) and rear end housing (3) are all through screw (9) and motor housing (1) fixed connection, front end housing (2) middle part fixedly connected with ball bearing (4), preceding opening (7) and back opening (8) have been seted up respectively on front end housing (2) and rear end housing (3) surface, front end housing (2) and rear end housing (3) edge all are connected with sealing washer (10) laminating, motor housing (1) fixed surface welding has roll board (11).

2. The brushless dc motor according to claim 1, wherein the hall-free FOC control technique is applied to the brushless dc motor, and the hall-free FOC control technique comprises: the sealing ring (10) is fixedly sleeved at two ends of the motor shell (1), four rolling plates (11) are uniformly distributed on the surface of the motor shell (1), and the four rolling plates (11) are of L-shaped structures.

3. The brushless dc motor according to claim 1, wherein the hall-free FOC control technique is applied to the brushless dc motor, and the hall-free FOC control technique comprises: the motor is characterized in that a plurality of screws (9) are uniformly distributed on the edges of the front end cover (2) and the rear end cover (3), the front end cover (2) and the rotating shaft (5) penetrate through and are inserted into the motor shell (1) and extend to the inside of the motor shell (1), and a motor controller is integrally installed in the motor shell (1).

4. The brushless dc motor according to claim 3, wherein the hall-free FOC control technique is applied to the brushless dc motor, and the hall-free FOC control technique comprises: screw thread (6) have been seted up to pivot (5) tip, pivot (5) and ball bearing (4) inside rotation are connected.

5. The brushless dc motor according to claim 1, wherein the hall-free FOC control technique is applied to the brushless dc motor, and the hall-free FOC control technique comprises: front end housing (2) and rear end cap (3) are inside all fixed mounting to have the filter screen, front end housing (2) and rear end cap (3) surface preceding opening (7) all are connected with the filter screen laminating with back opening (8).