CN214544007U

CN214544007U - Brushless motor module

Info

Publication number: CN214544007U
Application number: CN202120297544.4U
Authority: CN
Inventors: 黄正滨
Original assignee: Jiangmen Runsheng Electromechanical Co ltd
Current assignee: Jiangmen Runsheng Electromechanical Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-10-29
Anticipated expiration: 2031-02-02

Abstract

The utility model belongs to the motor field discloses a brushless motor module, including motor casing, the circuit board that carries host system, brushless motor, host system and brushless motor electricity are connected, be equipped with the support column in the motor casing, be equipped with well kenozooecium in the support column, bearing plug-in connection is passed through in well kenozooecium of support column in brushless motor's pivot, brushless motor's rotor and pivot fixed connection, brushless motor's stator, circuit board all connect on the support column. The brushless motor module connects the circuit board and the stator of the brushless motor at the outer side of the support column, and the rotating shaft is inserted in the support column, so that the brushless motor module is reasonable in structure and small in size.

Description

Brushless motor module

Technical Field

The utility model belongs to the motor field, more specifically speaking relates to a brushless motor module.

Background

The brushless direct current motor is composed of a motor main body and a driver, and is a typical electromechanical integration product. Because the brushless DC motor is operated in a self-control mode, a starting winding is not additionally arranged on a rotor like a synchronous motor which is started under the condition of heavy load under the condition of frequency conversion and speed regulation, and oscillation and step-out can not be generated when the load suddenly changes.

CN202030432195.3 discloses a brushless motor, the housing of which comprises an upper shell and a lower shell.

Cn201621014180.x discloses a highly reliable brushless motor for an automotive radiator fan. This motor is including having under shed upper housing and having under shed lower housing, the lower casing be used for holding electronic module, the lower casing on set up the apron, the apron pass through the opening part looks joint of joint structure and lower casing, the upper housing be used for holding stator module, stator module is fixed to be set up on stator support frame, stator support frame middle part rotor cavity that holds the drive shaft has, set up the rotor of drive shaft in the cavity, stator support frame periphery set up a plurality of screw hole posts, the screw hole post be connected with the screw of mounting panel in the lower casing through interlude.

The problem with this solution is that it requires a special lower housing to house the electronic device.

Therefore, the technical problem that the present scheme was solved is: how to reasonably fix the brushless motor and the circuit board so as to achieve the purpose of reasonably utilizing space.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a brushless motor module, which connects the stator of the circuit board and the brushless motor to the outside of the supporting pillar, and the rotating shaft is inserted into the supporting pillar, which is reasonable in structure and small in size.

According to the utility model discloses an aspect provides a brushless motor module, including motor casing, the circuit board that carries host system, brushless motor, host system and brushless motor electricity are connected, be equipped with the support column in the motor casing, be equipped with well kenozooecium in the support column, bearing plug-in connection is passed through in well kenozooecium of support column in brushless motor's pivot, brushless motor's rotor and pivot fixed connection, brushless motor's stator, circuit board are all connected on the support column.

In the brushless motor module, a plurality of reinforcing ribs are arranged on the outer side of the supporting column and fixedly connected with the bottom surface of the motor shell; the circuit board is sleeved on the supporting column.

In the brushless motor module, the supporting column is formed by connecting an upper part and a lower part, the diameter of the upper part is smaller than that of the lower part, and the stator is sleeved and fixed on the periphery of the upper part;

the outer side of the upper part of the supporting column is provided with a supporting block and a flat key positioned on the upper part of the supporting block, and the stator and the flat key are matched, positioned and placed on the supporting block.

In the above brushless motor module, the upper part and the lower part of the support column inside the hollow plate are connected with the rotating shaft through the bearing.

In the above brushless motor module, the rotor and the rotating shaft are connected through an inner housing, the rotor is fixed inside the inner housing, and the rotating shaft passes through the center of the inner housing and is fixedly connected with the inner housing.

In the above brushless motor module, the circuit board is further provided with a power supply module, and the main control module is electrically connected to the power supply module.

In the brushless motor module, the outer side surface of the motor shell is also provided with a connecting piece fixedly connected with the outside.

In the above brushless motor module, the circuit board is further provided with a voice control module, and the voice control module is electrically connected to the main control module.

In the above brushless motor module, the middle of the circuit board has a hole, the diameter of the hole is greater than or equal to the outer diameter of the upper part and smaller than the maximum outer diameter of the lower part, the edge of the circuit board is fixedly connected with the inner side wall of the motor casing, and the circuit board is located below the brushless motor.

In the above brushless motor module, the motor casing includes upper housing and lower casing, upper housing and lower casing fixed connection, the support column is the integrated into one piece structure with lower casing, be equipped with a plurality of heat dissipation fretworks on the bottom plate of lower casing.

The utility model discloses a technical scheme has following advantage or one of beneficial effect at least among the above-mentioned technical scheme:

the utility model discloses a brushless motor module all connects circuit board, brushless motor's stator in the outside of support column, and the pivot is pegged graft in the inside of support column, its rational in infrastructure, small in size.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is a perspective view of embodiment 1 of the present invention;

fig. 2 is a plan view of embodiment 1 of the present invention;

fig. 3 is a sectional view a-a of fig. 2 of embodiment 1 of the present invention;

fig. 4 is a front view of embodiment 1 of the present invention;

fig. 5 is a C-C sectional view of fig. 4 of embodiment 1 of the present invention;

fig. 6 is a control block diagram of embodiment 1 of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, and may be, for example, a fixed connection or a movable connection, a detachable connection or a non-detachable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other elements or indirectly connected through one or more other elements or in an interactive relationship between two elements.

The following disclosure provides many different embodiments or examples for implementing different aspects of the invention.

Referring to fig. 1 to 6, in an embodiment of the present invention, a brushless motor module includes a motor housing 1, a circuit board 2 carrying a main control module 21, and a brushless motor, wherein the main control module 21 is electrically connected to the brushless motor, a support column 3 is disposed in the motor housing 1, a hollow portion is disposed in the support column 3, a rotating shaft 6 of the brushless motor is inserted and connected in the hollow portion of the support column 3 through a bearing 4, a rotor 5 of the brushless motor is fixedly connected to the rotating shaft 6, and a stator 7 of the brushless motor and the circuit board 2 are both connected to the support column 3.

The biggest innovation point of the embodiment is that the circuit board 2 is also connected to the supporting column 3, and the circuit board does not need to be specially provided with a space and a structure for fixing the circuit board 2, so that the space minimization is facilitated, and the motor structure is simplified.

The supporting column 3 of the present embodiment may fix the stator 7 and the circuit board 2 of the brushless motor in any feasible manner, for example, the circuit board 2 may be connected to the supporting column 3 by bolts, buckles, etc., and the stator 7 may be connected to the supporting column 3 by screws, super glue, fasteners, etc.

By default, the support column 3 is vertically fixed at the center of the bottom surface of the motor case 1, and certainly does not exclude other positions, if the other positions do not represent a circumvention of the present embodiment.

Preferably, the outer side surface of the motor casing 1 is further provided with a connecting piece 8 fixedly connected with the outside, the connecting piece 8 is a connecting piece integrally formed on the motor casing 1, and the connecting piece is provided with a connecting hole.

Since the supporting column 3 of this embodiment is used as a main supporting component for the operation of the brushless motor, in order to improve the strength of the supporting column 3, a plurality of reinforcing ribs 9 are arranged on the outer side of the supporting column 3, and the reinforcing ribs 9 are fixedly connected with the bottom surface of the motor casing 1.

Preferably, the supporting column 3 is formed by connecting an upper part 31 and a lower part 32, the diameter of the upper part 31 is smaller than that of the lower part 32, and the stator 7 is sleeved and fixed on the periphery of the upper part 31;

more preferably, the outer side of the upper part 31 of the supporting column 3 is provided with a supporting block 33 and a flat key 34 positioned on the upper part 31 of the supporting block 33, and the stator 7 and the flat key 34 are cooperatively positioned and rest on the supporting block 33.

As for the fixing manner of the circuit board 2, it is preferable that the circuit board 2 has a hole in the middle, the diameter of the hole is greater than or equal to the outer diameter of the upper portion 31 and smaller than the maximum outer diameter of the lower portion 32, the edge of the circuit board 2 is fixedly connected with the inner side wall of the motor housing 1, and the circuit board 2 is located below the brushless motor.

In this embodiment, there is a step at the intersection of the lower part 32 and the upper part 31, the circuit board 2 is inserted from the upper part 31 and rests on the step, the edge of the circuit board 2 is screwed to the inner side wall of the motor casing 1, specifically, the inner side wall of the motor casing 1 has a post, the screw hole is formed in the post, and the edge of the circuit board 2 rests on the upper part 31 of the post 16 and is screwed.

Preferably, the upper part 31 and the lower part 32 of the hollow plate of the support column 3 are connected through the bearing 4 and the rotating shaft 6.

In this embodiment, the rotor is connected to the rotating shaft 6 through an inner housing 10, the rotor is fixed inside the inner housing 10, and the rotating shaft 6 passes through the center of the inner housing 10 and is fixedly connected to the inner housing 10.

As a further improvement of this embodiment, a power module 11 is further mounted on the circuit board 2, the main control module 21 is electrically connected to the power module 11, and the power module 11 is used to supply power to the brushless motor, the main control module 21, and the voice control module 12 later, and also can be used to supply power to external electric devices.

In this embodiment, the circuit board 2 further has a voice control module 12 mounted thereon, and the voice control module 12 is electrically connected to the main control module 21.

In this embodiment, motor casing 1 includes casing 13 and lower casing 14, go up casing 13 and lower casing 14 and pass through bolt fixed connection, support column 3 and lower casing 14 are the integrated into one piece structure, and it has certain distance from the upper wall of last casing 13, be equipped with a plurality of heat dissipation fretworks on the bottom plate of lower casing 14, the outside of casing is equipped with a plurality of supplementary stiffening ribs 15 down.

During assembly, the circuit board 2 is firstly installed on the support column 3, then the brushless motor is installed on the support column 3, and finally the upper shell 13 and the lower shell 14 are fixed together.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a brushless motor module, includes motor casing, the circuit board that carries main control module, brushless motor, main control module and brushless motor electricity are connected, be equipped with the support column in the motor casing, well kenozooecium is equipped with in the support column, brushless motor's pivot is passed through bearing plug-in connection and is in well kenozooecium of support column, brushless motor's rotor and pivot fixed connection, its characterized in that, brushless motor's stator, circuit board are all connected on the support column.

2. The brushless motor module of claim 1, wherein the support column is provided with a plurality of reinforcing ribs on an outer side thereof, and the reinforcing ribs are fixedly connected with a bottom surface of the motor housing; the circuit board is sleeved on the supporting column.

3. The brushless motor module of claim 1, wherein the supporting post is formed by connecting an upper portion and a lower portion, the upper portion having a smaller diameter than the lower portion, and the stator is fixed to an outer circumference of the upper portion;

4. The brushless motor module of claim 1, wherein the upper and lower portions of the support column within the hollow plate are connected by a bearing and a rotating shaft.

5. The brushless motor module of claim 1, wherein the rotor is coupled to the shaft through an inner housing, the rotor is fixed to an inner side of the inner housing, and the shaft passes through a center of the inner housing and is fixedly coupled to the inner housing.

6. The brushless motor module of claim 1, wherein a power module is further mounted on the circuit board, and the main control module is electrically connected to the power module.

7. The brushless motor module of claim 1, wherein the motor housing further comprises a connector fixedly connected to the outside on an outer side thereof.

8. The brushless motor module of claim 1, wherein the circuit board further has a voice control module mounted thereon, the voice control module being electrically connected to the main control module.

9. The brushless motor module of claim 3, wherein the circuit board has a hole in a middle portion thereof, the hole having a diameter greater than or equal to an outer diameter of the upper portion and less than a maximum outer diameter of the lower portion, an edge of the circuit board fixedly coupled to an inner sidewall of the motor housing, the circuit board being positioned under the brushless motor.

10. The brushless motor module of any one of claims 1-9, wherein the motor housing comprises an upper housing and a lower housing, the upper housing and the lower housing are fixedly connected, the supporting posts and the lower housing are integrally formed, a bottom plate of the lower housing has a plurality of heat dissipation hollows, and the outer side of the lower housing has a plurality of auxiliary reinforcing ribs.