阅读说明：本技术 定子总成及电机 (Stator assembly and motor ) 是由 梦醒 纪泽轩 李刚 肖胜宇 刘丽刚 唐林 于 2020-08-19 设计创作，主要内容包括：本申请总体来说涉及电机技术领域,具体而言,涉及一种定子总成及电机,定子总成包括骨架、活动安装于所述骨架的控制电路板及设置于所述控制电路板与所述骨架之间的弹性支撑件,所述控制电路板的活动方向与所述弹性支撑件的弹性方向形同,弹性支撑件使控制电路板具有一定的移动范围,在电机装配时,电机壳挤压控制电路板朝向骨架移动,弹性支撑件被压缩,弹性支撑件对控制电路板施加反作用力,保证控制电路板与电机壳贴合,所述弹性支撑件具有第一支撑部及设置于所述第一支撑部朝向所述骨架中心部位一侧的第二支撑部,第一支撑部和第二支撑部分别与控制电路板贴合,增大了对控制电路板的支撑范围,提高了控制电路板的稳定性。(The application relates to the technical field of motors in general, and particularly relates to a stator assembly and a motor, wherein the stator assembly comprises a framework, a control circuit board movably arranged on the framework and an elastic support arranged between the control circuit board and the framework, the moving direction of the control circuit board is the same as the elastic direction of the elastic support, the elastic support enables the control circuit board to have a certain moving range, when the motor is assembled, the motor shell extrudes the control circuit board to move towards the framework, the elastic support is compressed, the elastic support exerts a reaction force on the control circuit board to ensure the control circuit board to be attached to the motor shell, the elastic support is provided with a first supporting part and a second supporting part arranged on one side of the central part of the framework, the first supporting part and the second supporting part are respectively attached to the control circuit board, the support range of the control circuit board is enlarged, and the stability of the control circuit board is improved.)

1. The stator assembly is characterized by comprising a framework (100), a control circuit board (200) movably mounted on the framework (100) and an elastic support member (300) arranged between the control circuit board (200) and the framework (100), wherein the control circuit board (200) can move towards the framework and extrude the elastic support member (300);

the elastic support (300) is provided with a first support part (310) and a second support part (320) arranged on one side of the first support part (310) facing to the center part of the framework (100) so as to enlarge the support range of the elastic support (300).

2. The stator assembly according to claim 1, wherein the frame (100) is mounted with a first plug terminal (110), and the control circuit board (200) is provided with a second plug terminal (220) for plug-fit engagement with the first plug terminal (110).

3. The stator assembly according to claim 1, wherein the frame (100) is provided with a first connecting structure (130), and the control circuit board (200) is provided with a second connecting structure (210) for sliding fit with the first connecting structure (130).

4. The stator assembly according to claim 3, wherein the elastic support member (300) is provided with a connecting hole (360) for penetrating and connecting with the first connecting structure (130).

5. The stator assembly according to claim 4, characterized in that the connection hole (360) opens into the first support (310).

6. The stator assembly according to claim 4, wherein the first connecting structure (130) comprises a supporting column (131) and a positioning column (132) disposed on top of the supporting column (131);

the diameter of the supporting column (131) is larger than that of the connecting hole (360) so as to support the elastic supporting piece (300), and the positioning column (132) is used for penetrating through the connecting hole (360).

7. The stator assembly of claim 3, wherein the second connecting structure (210) comprises a groove extending inwardly from an edge of the control circuit board (200).

8. The stator assembly according to claim 1, wherein the frame (100) is a ring-shaped structure formed by processing an insulating material, the frame (100) has a plurality of circumferentially distributed bone teeth (120), the elastic support (300) is provided with a positioning protrusion (350), and the positioning protrusion (350) is used for being clamped into a gap between two adjacent bone teeth (120).

9. The stator assembly according to claim 8, characterized in that the backbone (100) is provided with a boss (121), and the elastic support (300) is provided with a mounting groove (370) for cooperating with the boss (121).

10. A stator assembly according to claim 9, characterized in that the mounting groove (370) opens into the first support (310).

11. The stator assembly of claim 1, wherein the first support (310) is spaced apart from the second support (320).

12. The stator assembly according to claim 1, wherein the elastic support (300) further comprises a bead portion (330) disposed between the first support portion (310) and the second support portion (320).

13. The stator assembly of claim 12, wherein the first support portion (310), the second support portion (320) and the reinforcing rib portion (330) have a plurality of heat dissipation holes (340) formed therein.

14. The stator assembly according to claim 1, wherein the elastic support member (300) is provided in a plurality, and the plurality of elastic support members (300) are circumferentially spaced.

15. The stator assembly according to claim 1, wherein the elastic support (300) is provided with an insulating structure on a side for contacting the control circuit board (200).

16. The stator assembly according to claim 1, characterized in that the resilient support (300) is machined from a resilient insulating material.

17. An electrical machine comprising a stator assembly as claimed in any one of claims 1 to 16.

Technical Field

The application relates to the technical field of motors in general, and particularly relates to a stator assembly and a motor.

Background

The brushless DC motor is a typical electromechanical integration product, because the brushless DC motor runs in an automatic control mode, a starting winding is not additionally arranged on a rotor like a synchronous motor which is started under heavy load under variable frequency speed regulation, and oscillation and step-out can not be generated when load suddenly changes.

Due to the reasons of dimensional tolerance between parts, assembly process and the like, the distances between the electronic elements and the motor cover are different between different motors and can only be designed according to the worst heat dissipation condition, so that the requirement on the type selection condition of the electronic elements is higher, the heat dissipation is poor when the distance is larger, the electronic elements can be burnt, the motors can not work normally, the control panels are stressed unevenly and are easy to deform, and the reliability of the controller is reduced.

Disclosure of Invention

In this summary, concepts in a simplified form are introduced that are further described in the detailed description. This summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.

In order to solve the above technical problem, a main object of the present application is to provide a stator assembly and a motor.

In order to achieve the purpose of the invention, the following technical scheme is adopted in the application:

a stator assembly comprises a framework, a control circuit board movably mounted on the framework and an elastic supporting piece arranged between the control circuit board and the framework, wherein the control circuit board can move towards the framework and extrude the elastic supporting piece;

the elastic support part is provided with a first support part and a second support part arranged on one side of the first support part facing the center part of the framework, so that the support range of the elastic support part is enlarged.

Further, in some embodiments of the present disclosure, the framework is mounted with a first plug terminal, and the control circuit board is provided with a second plug terminal for plug-in fitting with the first plug terminal.

Further, in some embodiments of the present disclosure, the frame is provided with a first connection structure, and the control circuit board is provided with a second connection structure for slidably engaging with the first connection structure.

Further, in some embodiments of the present disclosure, the elastic supporting member is provided with a connecting hole for penetrating and connecting with the first connecting structure.

Further, in some embodiments of the present disclosure, the connection hole is opened in the first supporting portion.

Further, in some embodiments of the present disclosure, the first connecting structure includes a supporting pillar and a positioning pillar disposed on a top of the supporting pillar;

the diameter of the supporting column is larger than that of the connecting hole so as to support the elastic supporting piece, and the positioning column is used for penetrating through the connecting hole.

Further, in some embodiments of the present disclosure, the second connecting structure includes a groove extending inward from an edge of the control circuit board.

Further, in some embodiments of this scheme, above-mentioned skeleton is the cyclic annular structure that insulating material processed and formed, just the skeleton has a plurality of bone teeth that circumference distributes, elastic support piece is provided with the location arch, the location arch is used for the card to go into adjacent two clearance between the bone tooth.

Further, in some embodiments of the present disclosure, the frame is provided with a boss, and the elastic supporting member is provided with an installation groove for matching with the boss.

Further, in some embodiments of the present disclosure, the mounting groove is opened in the first supporting portion.

Further, in some embodiments of the present disclosure, the first supporting portion and the second supporting portion are disposed at an interval.

Further, in some embodiments of the present disclosure, the elastic supporting member further includes a reinforcing rib portion disposed between the first supporting portion and the second supporting portion.

Further, in some embodiments of the present disclosure, the first supporting portion, the second supporting portion and the reinforcing rib portion are respectively provided with a plurality of heat dissipation holes.

Furthermore, in some embodiments of the present disclosure, the elastic supporting members are provided in plural, and the plural elastic supporting members are circumferentially spaced.

Further, in some embodiments of the present disclosure, an insulating structure is disposed on a side of the elastic supporting member, which is in contact with the control circuit board.

Further, in some embodiments of the present disclosure, the elastic supporting member is made of an elastic insulating material.

An electric machine comprises the stator assembly.

According to the technical scheme, the stator assembly and the motor have the advantages and positive effects that:

the electronic element on the control circuit board is attached to the motor cover when the motor is assembled, the radiating stability of the control circuit board is guaranteed, the type selection cost of the electronic element is reduced, the cost of the motor is reduced, a certain damping effect is achieved on the control circuit board, the stability of the control circuit board is improved, and the deformation of the control circuit board is reduced.

The stator assembly comprises a framework, a control circuit board movably arranged on the framework and an elastic supporting piece arranged between the control circuit board and the framework, the moving direction of the control circuit board is the same as the elastic direction of the elastic supporting piece, the elastic supporting piece enables the control circuit board to have a certain moving range, when the motor is assembled, the motor shell extrudes the control circuit board to move towards the framework, the elastic supporting piece is compressed, the elastic supporting piece applies reaction force to the control circuit board to ensure that the control circuit board is jointed with the motor shell, elastic support piece has first supporting part and set up in first supporting part orientation the second supporting part of skeleton central part one side, first supporting part and second supporting part laminate with control circuit board respectively, have increased the support scope to control circuit board, have improved control circuit board's stability.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

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, 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 schematic illustration of a stator assembly backbone structure according to an exemplary embodiment.

Fig. 2 is a perspective view of an elastic support member of a stator assembly according to an exemplary embodiment.

FIG. 3 is a schematic illustration of another perspective view of a resilient support of a stator assembly according to an exemplary embodiment.

FIG. 4 is a schematic view illustrating the assembly of a bobbin and resilient support member of a stator assembly according to an exemplary embodiment.

Fig. 5 is a schematic diagram illustrating a control circuit board structure of a stator assembly according to an exemplary embodiment.

Fig. 6 is an exploded view of the backbone, resilient support member, and control circuit board of a stator assembly according to an exemplary embodiment.

Fig. 7 is an assembly diagram illustrating a bobbin, an elastic support member, and a control circuit board of a stator assembly according to an exemplary embodiment.

Wherein the reference numerals are as follows:

100-a framework; 200-a control circuit board; 300-a resilient support;

110-a first plug terminal; 120-bone teeth; 130-a first connecting structure;

121-boss; 131-a support column; 132-a locating post;

210-a second connecting structure; 220-a second mating terminal;

310-a first support; 320-a second support; 330-reinforcing rib parts; 340-heat dissipation holes; 350-positioning protrusions; 360-connecting hole; 370-mounting groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, 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 some 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.

The scheme provides a stator assembly and a motor, the stator assembly comprises a framework 100, a control circuit board 200 movably mounted on the framework 100 and an elastic supporting piece 300 arranged between the control circuit board 200 and the framework 100, the moving direction of the control circuit board 200 is the same as the elastic direction of the elastic supporting piece 300, the elastic supporting piece 300 enables the control circuit board 200 to have a certain moving range, when the motor is assembled, a motor shell extrudes the control circuit board 200 to move towards the framework 100, the elastic supporting piece is compressed, the elastic supporting piece applies a reaction force to the control circuit board 200 to ensure that the control circuit board 200 is attached to the motor shell, the elastic supporting piece 300 is provided with a first supporting part 310 and a second supporting part 320 arranged on one side of the central part of the framework 100, the first supporting part 310 and the second supporting part 320 are respectively attached to the control circuit board 200, the support range of the control circuit board 200 is increased, and the stability of the control circuit board 200 is improved.

In this embodiment, an insulating structure is disposed on a side of the elastic supporting member 300 contacting the control circuit board 200, or the elastic supporting member 300 is made of an elastic insulating material, and as understood by those skilled in the art, the elastic supporting member 300 may be made of a rubber material.

As shown in fig. 1, fig. 1 is a schematic structural diagram of a frame 100, the frame 100 is an annular structure processed from an insulating material, the frame 100 has a plurality of bone teeth 120, the plurality of bone teeth 120 are circumferentially arranged at intervals, a part of the bone teeth 120 extends toward a center of the frame 100, a plurality of first connection structures 130 are arranged at intervals on one side of the frame 100 for mounting a control circuit board 200, the plurality of first connection structures 130 are circumferentially distributed, the first connection structures 130 extend along an axial direction of the frame 100, a first plug terminal 110 and two bosses 121 are arranged between two adjacent first connection structures 130, the first plug terminal 110 is arranged between two bosses 121, each first connection structure 130 includes a support pillar 131 and a positioning pillar 132, the support pillar 131 is mounted on the frame 100, the positioning pillar 132 is disposed on a top of the support pillar 131, a height of the boss 121 is the same as a height of the support pillar 131, the number of first connecting structures may be set according to actual requirements, as will be appreciated by those skilled in the art.

Referring to fig. 2-4, the elastic supporting member 300 includes a first supporting portion 310, a second supporting portion 320 and a reinforcing rib 330, the first supporting portion 310 and the second supporting portion 320 are disposed at an interval, the reinforcing rib 330 is disposed between the first supporting portion 310 and the second supporting portion 320, and the reinforcing rib 330 is respectively connected to the first supporting portion 310 and the second supporting portion 320, as shown in fig. 2 and 3, the first supporting portion 310 and the second supporting portion 320 are disposed with three reinforcing ribs 330, the three reinforcing ribs 330 are disposed at an interval, the elastic supporting member 300 forms two hollow structures extending along the axial direction of the frame 100, and the first supporting portion 310, the second supporting portion 320 and the reinforcing rib 330 are respectively provided with a plurality of heat dissipation holes 340, which is beneficial to heat dissipation of the control circuit board 200.

In this embodiment, the number of the elastic supporting members 300 is the same as the number of the first connecting structures 130, and the first supporting portions 310 and the second supporting portions 320 are both of a house-type structure, so as to correspond to the contour of the frame 100, thereby ensuring the tightness and the aesthetic property of the assembly of the elastic supporting members 300. The elastic supporting member 300 is provided with a connecting hole 360 for connecting with the positioning column 132, in this embodiment, the connecting hole 360 is disposed at the middle position of the first supporting portion 310, and after the positioning column 132 is connected with the connecting hole 360, the positioning column 132 partially extends out of the connecting hole 360, so that the positioning column 132 is connected with the control circuit board 200. As shown in fig. 3, the bottom of the elastic supporting member 300 is provided with two positioning protrusions 350 and two mounting grooves 370, the positioning protrusions 350 are used for being clamped into a gap between two adjacent bone teeth 120 to prevent the elastic supporting member 300 from rotating around the positioning post 132, so as to ensure the mounting stability of the elastic supporting member 300, the bottom of the elastic supporting member 300 is further provided with two mounting grooves 370 for being matched with the boss 121, and the two mounting grooves 370 are respectively located at two sides of the connecting hole 360.

As shown in fig. 4, a plurality of elastic supports 300 are provided, the plurality of elastic supports 300 have the same assembly structure as the framework 100, and the present embodiment describes only the assembly manner of one elastic support 300. The connection hole 360 of the elastic support 300 is connected to the positioning post 132 of the first connection structure 130, the diameter of the support post 131 is greater than that of the connection hole 360, a portion of the support post 131 supports the elastic support 300, two mounting grooves 370 at the bottom of the elastic support 300 are respectively matched with the bosses 121 at two sides of the first connection structure 130, the positioning protrusions 350 are clamped into the gap between two adjacent bone teeth 120, the second support 320 is located at one side of the first support 310 facing the center of the framework 100, and it can also be referred to that the second support 320 is located at the inner side of the first support 310 as understood by those skilled in the art.

As shown in fig. 5, fig. 5 is a schematic structural diagram of the control circuit board 200, the control circuit board 200 is provided with a second plug terminal 220 and a second connection structure 210 for sliding-fitting with the first connection structure 130, and the second connection structure 210 may be a through hole structure or a slot structure. As shown in fig. 6 and 7, the groove is matched with the supporting column 131, the supporting column 131 is clamped into the groove, the second plug terminal 220 is matched with the first plug terminal 110 in a plug-in manner, and the second plug terminal 220 can be soldered on the control circuit board 200 together with the electrical component by wave soldering or reflow soldering. In the scheme, the first plug terminal 110 can be a puncture terminal, the puncture terminal is connected with an enameled wire led out by the stator, and the puncture terminal is connected without removing an enamel coating and welding, so that the problems of insufficient soldering and desoldering are avoided, the production procedures are reduced, and the production efficiency is improved.

It should be noted that, in the present embodiment, the stator assembly further includes components such as a stator magnetic core and a winding set, and other components and assemblies of the stator assembly are prior art, and under the understanding of those skilled in the art, the present embodiment does not describe the existing structure too much, and the main content of the present embodiment lies in the assembly manner of the control circuit board and the framework.

The embodiment also provides a motor, the motor is provided with the stator assembly, the control circuit board 200 of the motor has good heat dissipation effect,

in summary, the present disclosure provides a stator assembly and a motor, the stator assembly includes a frame 100, a control circuit board 200 movably mounted on the frame 100, and an elastic supporting member 300 disposed between the control circuit board 200 and the frame 100, the frame 100 is provided with a first connecting structure 130, the control circuit board 200 is provided with a second connecting structure 210, the first connecting structure 130 is in sliding fit with the second connecting structure 210, the elastic supporting member 300 is provided with a connecting hole 360, the connecting member is in sliding socket joint with the first connecting structure 130, when the motor is assembled, the motor casing presses the control circuit board 200 to move towards the frame 100, the elastic supporting member 300 is compressed, the elastic supporting member 300 applies a reaction force to the control circuit board 200 to ensure that the control circuit board 200 is attached to the motor casing, the elastic supporting member 300 includes a first supporting portion 310, a second supporting portion 320 and a reinforcing rib 330, the first supporting portion 310 and the second supporting portion 320 are respectively attached to, the supporting range of the control circuit board 200 is enlarged, the stability of the control circuit board 200 is improved, the skeleton 100 is used for being connected with the stator to puncture the terminal, the control circuit board 200 is provided with the second plug-in terminal 220, the second plug-in terminal 220 is in plug-in fit with the puncture terminal, the enameled wire does not need to remove the enamel coating and does not need to be welded, the problems of insufficient soldering and desoldering are avoided, the production procedures are reduced, and the production efficiency is improved.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.