Direct drive motor and smart device

Abstract

The present invention relates to the technical field of smart equipment, and more particularly to a direct drive motor and a smart device, which includes a base, a stator assembly provided on the outer edge of the base, a rotating shaft assembly provided in the base, and a rotor assembly connected to the rotating shaft assembly and covering the stator assembly. The base includes an internal arrangement end, an external exposed end, and a rotating receiving chamber passing through the internal arrangement end and the external exposed end. The rotating shaft assembly is rotatably mounted in the rotating receiving chamber. A first circuit board is mounted on the internal arrangement end. An internal arrangement groove is opened on the external exposed end. A second circuit board is mounted on the internal arrangement groove. The first circuit board is connected to the second circuit board. When applied to equipment such as smart devices and smart robots, the present invention has excellent stability and smartness during use, high reliability of the entire structure, and high practicality.

Description

Technical Field

[0001] (Cross - reference to related applications) This application claims the priority of a Chinese application with the application number 202110565925.0 and the invention title "Direct Drive Motor and Smart Device", which was filed with the China National Intellectual Property Administration on May 24, 2021, and incorporates the entire content thereof by reference into this application. The present invention relates to the technical field of smart fitness, and particularly to a direct drive motor and a smart device.

Background Art

[0002] With the rapid development of science and technology, people's requirements for the living environment are getting higher and higher, and the quality of life has also improved accordingly. Pursuing the quality of life and enjoying life have also become people's goals. With both hands liberated, robots have come to work instead of people. Currently, various smart devices, such as smart robots and smart cleaning devices, are becoming increasingly popular products in the market.

[0003] The drive pulley assembly, as a structure for driving smart devices, is an essential and important structure of smart robots. In conventional drive pulley assemblies, a motor is used as a power source to drive smart devices, cleaning devices, etc. Conventional motors generally have a single structure, and smart control can be realized by an external controller during transmission. However, the external control structure has high costs and poor stability.

Summary of the Invention

Problems to be Solved by the Invention

[0004] To solve the above problems, when applied to devices such as smart devices and smart robots, the present invention provides a direct drive motor and a smart device that are excellent in stability, high in smartness, high in the reliability of the overall structure, and high in practicality during use.

Means for Solving the Problem

[0005] The above object can be achieved by the following technical solution. The direct drive motor includes a base, a stator assembly provided on the outer edge of the base, a rotating shaft assembly provided inside the base, and a rotor assembly connected to the rotating shaft assembly to cover the stator assembly. The base includes an internal placement end, an external exposure end, and a rotation accommodation chamber penetrating the internal placement end and the external exposure end. The rotating shaft assembly is rotatably mounted in the rotation accommodation chamber. A first circuit board is mounted on the internal placement end. An internal placement groove is formed in the external exposure end, and a second circuit board is mounted in the internal placement groove. The first circuit board is connected to the second circuit board.

[0006] Details of one or more embodiments of the present invention will be given in the following drawings and description. Other features, objects, and advantages of the present invention will become apparent from the specification, drawings, and claims.

[0007] The present invention solves the problem that the conventional motor has a single structure and function compared with the conventional direct drive motor, integrates the circuit control structure inside the motor, and further installs an induction detection circuit board inside the motor to realize a two-circuit integrated structure. When the motor is applied to devices such as smart devices and smart robots, it has excellent stability, high intelligence during use, does not require an external space for installing a controller, can reduce the installation space for interactive induction, and the overall structure has high reliability and high practicality. Specifically, a base, a stator assembly provided on the outer edge of the base, a rotating shaft assembly provided inside the base, and a rotor assembly connected to the rotating shaft assembly and covering the stator assembly are installed. The base includes an internal arrangement end, an external exposure end, and a rotation accommodation chamber penetrating the internal arrangement end and the external exposure end. The rotating shaft assembly is rotatably mounted in the rotation accommodation chamber. A first circuit board is mounted on the internal arrangement end. An internal arrangement groove is opened at the external exposure end. A second circuit board is mounted in the internal arrangement groove. The first circuit board is connected to the second circuit board. During operation, the first circuit board controls the transmission of the motor as the main control circuit board. During the transmission of the motor, the cooperation of the stator assembly and the rotor assembly ensures the balance and stability of the transmission by the rotating shaft assembly. The overall structure has high reliability. Furthermore, the second circuit board is installed and used for induction and interactive detection. The overall structure is simple and compact and has high practicality.

Brief Description of the Drawings

[0008] To better explain and illustrate the embodiments and / or examples of those inventions disclosed in this specification, one or more drawings can be referred to. Additional details or examples used to explain the drawings should not be construed as limiting the scope of any of the disclosed inventions, the currently described embodiments and / or examples, and the best mode of these inventions currently understood.

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DETAILED DESCRIPTION OF THE INVENTION

[0009] To facilitate the understanding of the present invention, the present invention will be described in more detail below with reference to the related drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, the purpose of providing these embodiments is to make the disclosure of the present invention more complete and thorough.

[0010] In addition, when a component is referred to as being "fixed" to another component, it may be directly present in the other component or an intermediate component may exist. When a component is considered to be "connected" to another component, it may be directly connected to the other component or an intermediate component may be present at the same time.

[0011] Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present invention belongs. The terms used in the description of the present invention herein are for the purpose of describing specific embodiments only and are not intended to limit the present invention.

[0012] As shown in FIGS. 1 to 8, the direct drive motor includes a base 1, a stator assembly 2 provided on the outer edge of the base 1, a rotating shaft assembly 3 provided inside the base 1, and a rotor assembly 4 connected to the rotating shaft assembly 3 and covering the stator assembly 2. The base 1 includes an internal placement end 11, an external exposure end 12, and a rotation accommodation chamber 13 penetrating the internal placement end 11 and the external exposure end 12. The rotating shaft assembly 3 is rotatably mounted in the rotation accommodation chamber 13. A first circuit board 14 is mounted on the internal placement end 11. An internal placement groove 121 is formed on the external exposure end 12. A second circuit board 15 is mounted in the internal placement groove 121. The first circuit board 14 is connected to the second circuit board 15.

[0013] In this embodiment, a receiving platform 111 is provided at the internal placement end 11, a convex ring 111a is provided on the outer edge of the receiving platform 111, and a mounting hole 111b is formed in the convex ring 111a. A through hole 141 is formed in the first circuit board 14 corresponding to the mounting hole 111b. By forming an air position protruding upward from the convex ring 111a, small electronic components of the first circuit board 14 can be mounted with space, improving the heat dissipation of the electronic components. Also, by aligning the mounting hole 111b and the through hole 141, a screw can be inserted for fixing and mounting, which is easy to mount and has excellent fixing stability.

[0014] A plurality of recessed portions 111c are formed in the receiving platform 111. At least one recessed portion 111c is used for inserting a connection line to connect the first circuit board 14 and the second circuit board 15. The recessed portion 111c can be used for the recess of large electronic components, facilitating the mounting and heat dissipation of the electronic components on the first circuit board 14. Further, the first circuit board 14 and the second circuit board 15 are connected and fixed by the connection line, with a simple and reliable structure.

[0015] In this embodiment, a punching hole 122 is formed in the externally exposed end 12. The punching hole 122 communicates with the retreat portion 111c and is used for inserting a connection wire to connect to the first circuit board 14. The punching hole 122 can insert a data wire connected to the first circuit board 14 to facilitate easy connection to the smart device.

[0016] In other embodiments, the punching hole 122 is located on one side of the internal placement groove 121. Since the internal placement groove 121 is opened in the middle and the punching hole 122 is opened on one side, it is possible to facilitate the connection of wires, and the structure is simple and reliable.

[0017] In this embodiment, a cover plate 123 through which an induction signal can pass is provided in the internal placement groove 121. The cover plate 123 allows the detection induction signal to pass through, facilitating smart induction and interactive operations.

[0018] In other embodiments, the cover plate 123 is a transparent or translucent cover plate 124, facilitating the detection induction signal to pass through for detection induction and interactive operations.

[0019] In this embodiment, the first circuit board 14 is a control circuit board, and the second circuit board 15 is an induction circuit board. The control board mainly controls the operation of the direct drive motor, and the second circuit board 15 is used for induction detection.

[0020] In this embodiment, a first sensing component 151 is installed on the surface corresponding to the internal placement groove 121 of the second circuit board 15, and a second sensing component 152 is provided on the surface corresponding to the rotation accommodation chamber 13 of the second circuit board 15. An induction element 153 is provided corresponding to the first sensing component 151. The induction element 153 is connected to the rotation shaft assembly 3. The first sensing component 151 and the second sensing component 152 are installed, and the first sensing component 151 detects the external situation and is used for smart interactive and induction, with high smartness. The second sensing component 152 cooperates with the induction element 153 to induce the transmission stroke and position, and the overall structure is stable and highly reliable.

[0021] Note that the first sensing component 151 is one or a combination of two or more of a detection sensor, a light-emitting sensor, a buzzer, or an infrared sensor. An appropriate sensing component is selected according to the needs of the smart device, which has high practicality and a wide application range.

[0022] Note that the second sensing component 152 is a Hall sensor. The induction element 153 is a magnetic induction element 153, which induces the rotation position by magnetic field detection.

[0023] In this embodiment, the stator assembly 2 includes an iron core 21 and coils 22 uniformly arranged on the iron core 21. A plurality of convex ribs 23 are uniformly provided around the iron core 21. The coils 22 are provided surrounding the convex ribs 23. By the fitting of the iron core 21 and the coils 22, the output transmission of the motor is realized in cooperation with the stator assembly 2.

[0024] On the inner placement end 11, a plurality of clamping grooves 112 are opened with the outer diameter of the inner placement end 11 corresponding to the inner diameter of the iron core 21. The clamping grooves 112 fit the iron core 21 and the inner placement end 11, and the structure is stable and reliable.

[0025] In this embodiment, the rotating shaft assembly 3 includes a bearing member 31 attached to the rotation accommodation chamber 13 and a rotating shaft 32 rotatably attached to the bearing member 31. One end of the rotating shaft 32 is connected to the rotor assembly 4, and a fixing member 33 is attached to the other end. The fixing member 33 faces the second circuit board 15, and the rotating shaft 32 is fixedly attached by rotating it with the bearing member 31, and transmits power in cooperation with the rotor assembly 4, having excellent stability and high accuracy. Further, the induction element 153 is provided on the fixing member 33 and cooperates with the second sensing component 152 and the rotation position of the rotating shaft 32.

[0026] In the rotary accommodation chamber 13, a first position regulating groove 131 and a second position regulating groove 132 are formed. Two bearings are provided on the bearing member 31. The two bearings are respectively attached to the first position regulating groove 131 and the second position regulating groove 132. By performing position regulation and fitting attachment with the two bearings, the structure is stable and reliable, the transmission stability is excellent, and the accuracy is high.

[0027] In this embodiment, the rotor assembly 4 includes an outer end cover 41 connected to the rotary shaft assembly 3, a connecting ring 42 connected to the outer end cover 41 and corresponding to the outer edge of the stator assembly 2, and a rotor member 43 attached to the connecting ring 42 and corresponding to the stator assembly 2. An inner end cover 44 is connected to the side of the connecting ring 42 away from the outer end cover 41. The inner end cover 44 is rotatably connected to the outer diameter of the outer end portion. The inner end cover 44 and the outer end cover 41 form a fixed structure on both sides, and by connecting and fixing the two with the connecting ring 42, the stability during operation is excellent.

[0028] A reinforcing base 411 is provided on the outer end cover 41. A connecting hole 412 is formed in the reinforcing base 411. A position regulating base is provided in the connecting hole 412. The outer end cover 41 is connected to the rotary shaft assembly 3 through the connecting hole 412. The reinforcing base 411 improves the connecting stability and further improves the stability during transmission.

[0029] A connecting bearing 441 is connected to the inner end cover 44. The connecting bearing 441 is externally fitted to the outer diameter of the external exposed end 12. The inner end cover 44 is rotatably connected to the outer end cover 12 by combining with the connecting bearing 441, reducing the load on the rotary shaft 32, improving the stability, and extending the service life.

[0030] The present invention solves the problem that the structure and function of a conventional motor are single. It integrates a circuit control structure inside the motor, and further installs an induction detection circuit board inside the motor to realize a two-circuit integrated structure. When the motor is applied to devices such as smart devices and smart robots, it has excellent stability, high smartness during use, does not require an external space for installing a controller, can reduce the installation space for interactive induction, and the overall structure is highly reliable and practical. Specifically, a base 1, a stator assembly 2 provided on the outer edge of the base 1, a rotating shaft assembly 3 provided inside the base 1, and a rotor assembly 4 connected to the rotating shaft assembly 3 and covering the stator assembly 2 are installed. The base 1 includes an internal placement end 11, an external exposure end 12, and a rotation accommodation chamber 13 penetrating through the internal placement end 11 and the external exposure end 12. The rotating shaft assembly 3 is rotatably mounted in the rotation accommodation chamber 13. A first circuit board 14 is mounted on the internal placement end 11. An internal placement groove 121 is opened on the external exposure end 12. A second circuit board 15 is mounted in the internal placement groove 121. The first circuit board 14 is connected to the second circuit board 15. During operation, the first circuit board 14 controls the transmission of the motor as the main control circuit board. During the transmission of the motor, the cooperation between the stator assembly 2 and the rotor assembly ensures the balance and stability of the transmission by the rotating shaft assembly 3, and the overall structure is highly reliable. Furthermore, the second circuit board 15 is installed and used for induction and interactive detection. The overall structure is simple and compact, and highly practical.

[0031] According to devices such as the smart device and smart robot with the above structure, the installation space is reduced, and the stability and reliability of the structure are improved.

[0032] The above embodiments merely represent some embodiments of the present invention. Although the description is specific and detailed, it should not be construed as a limitation to the scope of the claims of the present invention. It should be pointed out that those skilled in the art can make various modifications and improvements without departing from the technical idea of the present invention, and all such changes and improvements fall within the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention is based on the content specified in the appended claims.

Description of Reference Numerals

[0033] 1 Base 11 Inner Arrangement End 111 Accommodation Table 111a Convex Ring 111b Mounting Hole 111c Retreating Portion 112 Clamping Groove 12 Outer Exposed End 121 Inner Arrangement Groove 122 Punching Hole 123 Cover Plate 13 Rotating Accommodation Chamber 131 First Position Regulation Groove 132 Second Position Regulation Groove 14 First Circuit Board 141 Through Hole 15 Second Circuit Board 151 First Sensing Component 152 Second Sensing Component 153 Inductive Element 2 Stator Assembly 21 Iron Core 22 Coil 23 Convex Rib 3 Rotating Shaft Assembly 31 Bearing Member 32 Rotating Shaft 33 Fixing Member 4 Rotor Assembly 41 Outer End Cap 411 Reinforcing Table 412 Connecting Hole 42 Connecting Ring 43 Rotor Member 44 Inner End Cap 441 Connecting Bearing

Claims

1. A direct drive motor, comprising a base, a stator assembly provided at an outer edge of the base, a rotary shaft assembly provided within the base, and a rotor assembly connected to the rotary shaft assembly and covering the stator assembly, the base includes an internally disposed end, an externally exposed end, and a rotary accommodation chamber penetrating through the internally disposed end and the externally exposed end, the rotary shaft assembly is rotatably mounted in the rotary accommodation chamber, a first circuit board is mounted on the internally disposed end, an internally disposed groove is formed at the externally exposed end, a second circuit board is mounted in the internally disposed groove, the first circuit board is connected to the second circuit board, the first circuit board is a control circuit board, the second circuit board is an induction circuit board, a first sensing component is installed on a surface of the second circuit board corresponding to the internally disposed groove, a second sensing component is provided on a surface of the second circuit board corresponding to the rotary accommodation chamber, an induction element is correspondingly provided on the first sensing component, the induction element is connected to the rotary shaft assembly, characterized in that it is a direct drive motor.

2. a receiving platform is provided at the internally disposed end, a convex ring is provided at an outer edge of the receiving platform, mounting holes are formed in the convex ring, through holes are formed in the first circuit board corresponding to the mounting holes, characterized in that it is the direct drive motor according to Claim 1.

3. a plurality of recessed portions are formed in the receiving platform, At least one of the retraction portions is used for connecting the first circuit board and the second circuit board by inserting a connection line therethrough. The direct drive motor according to claim 2, wherein the direct drive motor is characterized in that.

4. A punching hole is formed in the externally exposed end, The punching hole communicates with the retraction portion and is used for inserting the connection line and connecting it to the first circuit board. The direct drive motor according to claim 3, wherein the direct drive motor is characterized in that.

5. The punching hole is located on one side of the internal placement groove. The direct drive motor according to claim 4, wherein the direct drive motor is characterized in that.

6. A cover plate through which an induction signal can pass is provided in the internal placement groove. The direct drive motor according to claim 1, wherein the direct drive motor is characterized in that.

7. The cover plate is a transparent or translucent cover plate. The direct drive motor according to claim 6, wherein the direct drive motor is characterized in that.

8. The first sensing component is one or a combination of two or more of a detection sensor, a light-emitting sensor, a buzzer, or an infrared sensor. The direct drive motor according to claim 1, wherein the direct drive motor is characterized in that.

9. The second sensing component is a Hall sensor, The induction element is a magnetic induction element. The direct drive motor according to claim 1, wherein the direct drive motor is characterized in that.

10. The stator assembly includes an iron core and coils uniformly arranged on the iron core, A plurality of convex ribs are uniformly provided around the iron core, The coil is provided to surround the convex rib. The direct drive motor according to claim 1, wherein the direct drive motor is characterized in that.

11. The direct drive motor according to claim 10, wherein a plurality of tightening grooves are formed in the inner diameter of the iron core corresponding to the outer diameter of the inner arrangement end at the inner arrangement end.

12. The rotary shaft assembly includes a bearing member attached to the rotary accommodation chamber and a rotary shaft rotatably attached to the bearing member. One end of the rotary shaft is connected to the rotor assembly, and a fixing member is attached to the other end. The direct drive motor according to claim 1, wherein the fixing member faces the second circuit board.

13. A first position regulating groove and a second position regulating groove are formed in the rotary accommodation chamber. Two bearings are provided on the bearing member. The direct drive motor according to claim 12, wherein the two bearings are respectively attached to the first position regulating groove and the second position regulating groove.

14. The rotor assembly includes an outer end cover connected to the rotary shaft assembly, a connecting ring connected to the outer end cover and corresponding to the outer edge of the stator assembly, and a rotor member attached to the connecting ring and corresponding to the stator assembly. An inner end cover is connected to a side of the connecting ring away from the outer end cover. The direct drive motor according to claim 1, wherein the inner end cover is rotatably connected to the outer diameter of the outer end portion.

15. A reinforcing base is provided on the outer end cover. A connecting hole is formed in the reinforcing base. A position regulating base is provided in the connecting hole. The direct drive motor according to claim 14, wherein the outer end cover is connected to the rotary shaft assembly through the connecting hole.

16. A connecting bearing is connected to the inner end cover, The direct drive motor according to claim 14, wherein the connecting bearing is externally fitted to the outer diameter of the externally exposed end. **Claim 17** A smart device, The smart device characterized by including the direct drive motor according to any one of claims 14 to 16.

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