Axial flux motor and fan

Abstract

The axial magnetic flux motor comprises a shell, a rotating shaft and a control assembly, a stator assembly and a rotor assembly capable of rotating relative to the stator assembly are arranged in the shell, channels are formed in the radial middle portions of the stator assembly and the rotor assembly, and the stator assembly is fixedly connected with one end of the shell; one end of the rotating shaft is inserted into the channel, the rotating shaft is coaxially connected with the stator assembly and the rotor assembly, and the other end of the rotating shaft protrudes out of the shell; and the control assembly is arranged at the other end of the shell and is used for realizing intelligent control of the axial magnetic flux motor. According to the utility model, the stator assembly is fixedly connected with one end of the shell, the resistance to shearing force of the motor during working is enhanced, the stator movement during the operation of the motor is prevented, the control assembly is arranged on the motor, the power density of the motor is improved, the peak torque of the motor under the same volume is enhanced, and the motor is more intelligent and automatic.

Description

Technical Field

[0001] The utility model relates to the technical field of fans and fan motors, and in particular to an axial flux motor and a fan. Background Art

[0002] With the continuous improvement of the quality of life, more functional requirements are also put forward for fans. However, the current axial flux motor stator assembly usually uses a limit structure to limit the stator assembly to remain stationary. The structure is complex, and the shear force is large when the motor is working. The motor is easy to move during operation, which affects the operation of the motor. In addition, the existing motor is usually separated from the controller, and intelligent control and automatic control under the control of a single motor cannot be achieved. Utility Model Content

[0003] In order to solve the above-mentioned technical problems, the utility model provides an axial flux motor and a fan. By fixedly connecting the stator assembly to one end of the shell, it is possible to enhance the resistance to the shear force of the motor when it is working and prevent the stator from moving during the operation of the motor. In addition, a control assembly is arranged on the motor to improve the power density of the motor, enhance the peak torque of the motor under the same volume, and realize a more intelligent and automated axial flux motor.

[0004] The technical solution adopted by the utility model is: to provide an axial flux motor, comprising:

[0005] A housing, wherein a stator assembly and a rotor assembly rotatable relative to the stator assembly are arranged in the housing, a channel is arranged in the radial middle of the stator assembly and the rotor assembly, and the stator assembly is fixedly connected to one end of the housing;

[0006] A rotating shaft, one end of which is inserted into the channel, the rotating shaft is coaxially connected to the stator assembly and the rotor assembly, and the other end of the rotating shaft protrudes out of the housing;

[0007] A control component is arranged at the other end of the shell, and the control component is used to realize intelligent control of the axial flux motor.

[0008] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: the embodiment of the utility model fixedly connects the stator assembly to one end of the shell, enhances the resistance to the shear force of the motor when it is working, prevents the stator from moving during the operation of the motor, and arranges a control assembly on the motor, thereby improving the power density of the motor, enhancing the peak torque of the motor under the same volume, and making the motor more intelligent and automated.

[0009] In an optional embodiment, the rotor assembly includes a rotor disk and a plurality of permanent magnets, and a plurality of protrusions are arranged on both end surfaces of the rotor disk in a circumferential direction. The protrusions are arranged at intervals, and the protrusions make the surface of the rotor disk present a concave-convex structure.

[0010] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: through the concave-convex structure on the surface of the rotor disk, when the rotor rotates, it can drive air to dissipate heat and cool the stator assembly and the rotor assembly, effectively accelerating the heat dissipation of the stator assembly and the rotor assembly.

[0011] In an optional embodiment, the permanent magnet is a fan-shaped pancake structure, the permanent magnet is circumferentially arranged on the surface of the rotor disk facing the stator assembly, and the permanent magnet is disposed between two adjacent protrusions, so that an axial magnetic flux is formed between the rotor assembly and the stator assembly.

[0012] Compared with the existing technology, the technical effect achieved by adopting this technical solution is as follows: the setting of the permanent magnet enables the formation of axial magnetic flux between the rotor assembly and the stator assembly. Compared with the radial magnetic flux at the same volume, the power density of the axial flux motor is improved, and the axial flux motor of the same volume has greater torque and a wider range of applications.

[0013] In an optional embodiment, one end of the stator assembly close to the rotor assembly includes a plurality of teeth, the teeth are arranged along the circumferential direction of the stator assembly, and the teeth protrude toward the rotor assembly.

[0014] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: the stator assembly has a plurality of teeth, and the teeth can be wound with wire groups, thereby reducing the difficulty of winding.

[0015] In an optional embodiment, an axial gap is provided between the tooth portion and the rotor assembly.

[0016] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: there is an axial gap between the tooth portion and the rotor assembly, so that the stator assembly and the rotor assembly do not interfere with each other, and the rotor assembly can rotate independently.

[0017] In an optional embodiment, end covers are installed at both axial ends of the housing, and the end covers include a first end cover and a second end cover, and the first end cover is fixedly connected to the stator assembly via fasteners.

[0018] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: end covers are installed at both axial ends of the shell to encapsulate the motor, and the stator assembly is fixed to the first end cover by fasteners, which can enhance the resistance to the shear force of the motor when it is working and prevent the stator from moving during the operation of the motor.

[0019] In an optional embodiment, a support bearing is provided between the first end cover and the rotating shaft.

[0020] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: a support bearing is provided between the first end cover and the rotating shaft, which can improve the reliability of the use of the rotating shaft and ensure the stability of the rotating shaft position and the stability during rotation.

[0021] In an optional embodiment, the control assembly includes a housing and a controller, the controller is installed in the housing, and one end of the housing is fixedly connected to the second end cover.

[0022] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: a controller is arranged in the casing to realize intelligent control and automatic control of the axial flux motor.

[0023] In an optional embodiment, a display element is provided on the housing, and the display element is used to display the operating status of the motor.

[0024] Compared with the prior art, the technical effect achieved by adopting this technical solution is that the display element is arranged on the housing of the control component and can display the operating status of the motor.

[0025] The utility model also provides a fan, comprising:

[0026] At least one axial flux motor as described in any one of the above embodiments;

[0027] At least one fan is fixedly connected to the rotating shaft, and the fan rotates coaxially with the rotating shaft.

[0028] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: the fan of this embodiment includes an axial flux motor as in any embodiment of the utility model, and thus it has all the beneficial effects of the axial flux motor as in any embodiment of the utility model, which will not be repeated here.

[0029] In summary, the above-mentioned technical solutions of the present application may have one or more of the following advantages or beneficial effects: (1) The stator assembly is fixedly connected to one end of the shell, which can enhance the resistance to the shear force of the motor when it is working and prevent the stator from moving during the operation of the motor; (2) A control assembly is arranged on the motor to improve the power density of the motor and enhance the peak torque of the motor under the same volume. The axial flux motor and the control assembly are integrated into a complete machine, which can realize remote communication control and remote centralized control under the control of a single motor, making the axial flux motor more intelligent and automated; (3) The concave-convex structure on the surface of the rotor disk can drive the air to dissipate heat and cool the stator assembly and the rotor assembly when the rotor rotates, effectively accelerating the heat dissipation of the stator assembly and the rotor assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0031] Figure 1 It is a schematic diagram of the structure of an axial flux motor according to some embodiments of the utility model;

[0032] Figure 2 It is a cross-sectional view of the axial flux motor in the AA direction of some embodiments of the utility model;

[0033] Figure 3 It is a schematic diagram of the structure of the stator assembly of some embodiments of the utility model;

[0034] Figure 4 It is a schematic diagram of the structure of the rotor assembly of some embodiments of the utility model;

[0035] Figure 5 It is a schematic diagram of the structure of the control components of some embodiments of the present utility model.

[0036] Description of reference numerals:

[0037] 100, housing; 110, stator assembly; 111, tooth portion; 120, rotor assembly; 121, rotor disk; 1211, protrusion; 122, permanent magnet; 130, first end cover; 131, support bearing; 140, second end cover; 200, rotating shaft; 300, control assembly; 310, housing; 311, display component. DETAILED DESCRIPTION

[0038] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model will be described in detail below. Obviously, the described embodiments are part of the embodiments of the utility model, but not all of the embodiments. Based on the described embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0039] It should be noted that the diagrams provided in the present embodiment are only used to illustrate the basic concept of the present invention in a schematic manner, so the diagrams only show the components related to the present invention rather than the number, shape and size of the components in the actual implementation. The type, quantity and proportion of each component in the actual implementation can be changed at will, and the layout of the components may be more complicated. The structure, proportion, size, etc. shown in the diagrams attached to this specification are only used to match the content disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions that the present invention can be implemented, so they have no technical substantive significance. Any modification of the structure, change of the proportional relationship or adjustment of the size should still fall within the scope of the technical content disclosed by the present invention without affecting the effect and purpose that the present invention can produce. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" cited in this specification are only for the convenience of description and are not used to limit the scope of the implementation of the present utility model. Changes or adjustments to their relative relationships should be regarded as the scope of the implementation of the present utility model without substantially changing the technical content.

[0040] Refer to the following Figures 1 to 5 The technical solutions of some embodiments of the utility model are described.

[0041] See attached Figure 1 and attached Figure 2 As shown, the technical solution adopted by the utility model is: an axial flux motor, comprising:

[0042] A housing 100, wherein a stator assembly 110 and a rotor assembly 120 rotatable relative to the stator assembly 110 are disposed in the housing 100, a channel is disposed in the radial middle of the stator assembly 110 and the rotor assembly 120, and the stator assembly 110 is fixedly connected to one end of the housing 100;

[0043] A rotating shaft 200, one end of which is inserted into the channel, the rotating shaft 200 is coaxially connected to the stator assembly 110 and the rotor assembly 120, and the other end of the rotating shaft 200 protrudes out of the housing 100;

[0044] A control component 300 is disposed at the other end of the housing 100 , and is used to implement intelligent control of the axial flux motor.

[0045] Specifically, a channel is provided in the radial middle portion of the stator assembly 110 and the rotor assembly 120 to provide an axial installation space for the installation of the rotating shaft 200, thereby further shortening the axial dimension of the motor.

[0046] Specifically, the motor includes a shell 100, a rotating shaft 200 and a control component 300. A stator component 110 and a rotor component 120 are provided in the shell 100. The rotating shaft 200 is inserted in the shell 100, so that the shell 100 and the control component 300 are fixedly connected to form a whole, thereby improving the power density of the motor, enhancing the peak torque of the motor under the same volume, and making the motor more intelligent and automated.

[0047] See attached Figure 4 As shown, in an optional embodiment, the rotor assembly 120 includes a rotor disk 121 and a plurality of permanent magnets 122, and a plurality of protrusions 1211 are arranged on both end surfaces of the rotor disk 121 in a circumferential direction, and the protrusions 1211 are arranged at intervals, and the protrusions 1211 make the surface of the rotor disk 121 present a concave-convex structure.

[0048] Specifically, the rotor disk 121 serves as an installation carrier for the permanent magnet 122. The rotor disk 121 is coaxially connected to the rotating shaft 200 and fixed together by injection molding or welding to form an integrated structure, or is fixedly connected by threaded connection or the like, thereby effectively ensuring the connection reliability between the rotating shaft 200 and the rotor disk 121, thereby ensuring the reliability of the synchronous rotation of the rotating shaft 200 and the rotor assembly 120, and realizing the power output function of the motor.

[0049] Optionally, the rotor disk 121 can be set to a disc-shaped structure, and the surface has a plurality of protrusions 1211, the protrusions 1211 are arranged at intervals, and the permanent magnet 122 is installed on the rotor disk 121 to generate a magnetic field to interact with the stator assembly 110. The concave and convex structure of the rotor disk 121 facilitates the arrangement of the permanent magnet 122, and when the rotor rotates, it can drive the air to dissipate heat and cool the stator assembly 110 and the rotor assembly 120, thereby effectively accelerating the heat dissipation of the stator assembly 110 and the rotor assembly 120.

[0050] See attached Figure 4 As shown, in an optional embodiment, the permanent magnet 122 is a fan-shaped pancake structure, and the permanent magnet 122 is circumferentially arranged on the surface of the rotor disk 121 facing the stator assembly 110, and the permanent magnet 122 is disposed between two adjacent protrusions 1211, so that an axial magnetic flux is formed between the rotor assembly 120 and the stator assembly 110.

[0051] Specifically, there are multiple permanent magnets 122, which are circumferentially arranged on the surface of the rotor disk 121 facing the stator assembly 110. The permanent magnets 122 are disposed between two adjacent protrusions 1211 to form an axial magnetic flux. Compared with the radial magnetic flux at the same volume, the power density of the axial flux motor is improved, and the axial flux motor of the same volume has a greater torque and a wider range of applications.

[0052] See attached Figure 3 As shown, in an optional embodiment, one end of the stator assembly 110 close to the rotor assembly 120 includes a plurality of teeth 111 , and the teeth 111 are arranged along the circumferential direction of the stator assembly 110 , and the teeth 111 protrude toward the rotor assembly 120 .

[0053] In an optional embodiment, an axial gap is provided between the tooth portion 111 and the rotor assembly 120 .

[0054] Specifically, the stator assembly 110 has a plurality of teeth 111, and the teeth 111 can be wound with a wire group to reduce the difficulty of winding. An axial gap is provided between the teeth 111 and the rotor assembly 120, so that the stator assembly 110 and the rotor assembly 120 do not interfere with each other, thereby realizing independent rotation of the rotor assembly 120.

[0055] See attached Figure 2 As shown, in an optional embodiment, end covers are installed at both axial ends of the housing 100, and the end covers include a first end cover 130 and a second end cover 140, and the first end cover 130 is fixedly connected to the stator assembly 110 by fasteners.

[0056] Specifically, end covers are provided at both ends of the housing 100 to ensure the integrity of the motor packaging, and the first end cover 130 is provided with an axial hole for the rotating shaft 200 to extend out, ensuring that the power of the motor can be output.

[0057] Specifically, the first end cover 130 is fixed to the stator assembly 110 by fasteners, so as to enhance the resistance to the shear force when the motor is working and prevent the stator from moving during the operation of the motor.

[0058] See attached Figure 2 As shown, in an optional embodiment, a support bearing 131 is provided between the first end cover 130 and the rotating shaft 200 .

[0059] Specifically, the first end cover 130 has a trapezoidal boss on the side away from the stator assembly 110. The setting of the trapezoidal boss is convenient for cooperating with other structures to encapsulate the motor. The support bearing 131 is arranged between the trapezoidal boss and the rotating shaft 200, which can improve the reliability of the rotating shaft 200 and ensure the stability of the position of the rotating shaft 200 and the stability during rotation.

[0060] See attached Figure 2 and attached Figure 5 As shown, in an optional embodiment, the control assembly 300 includes a housing 310 and a controller, the controller is installed in the housing 310 , and one end of the housing 310 is fixedly connected to the second end cover 140 .

[0061] Specifically, one end of the housing 310 is fixedly connected to the second end cover 140, so that the control component 300 and the housing 100 are integrated into a whole, thereby realizing intelligent control and automatic control of the axial flux motor.

[0062] See attached Figure 5 As shown, in an optional embodiment, a display element 311 is provided on the housing 310, and the display element 311 is used to display the operating status of the motor.

[0063] The utility model also provides a fan, comprising:

[0064] At least one axial flux motor as described in any one of the above embodiments;

[0065] At least one fan is fixedly connected to the rotating shaft 200 , and the fan and the rotating shaft 200 rotate coaxially.

[0066] The fan of this embodiment includes an axial flux motor as in any embodiment of the present invention, and thus has all the beneficial effects of the axial flux motor as in any embodiment of the present invention, which will not be described in detail here.

[0067] The above description is intended to be illustrative rather than restrictive, and those skilled in the art may make changes, modifications, substitutions and variations to the above embodiments within the scope of the present disclosure. Moreover, the above examples (or one or more of them) may be used in combination with each other, and it is contemplated that these embodiments may be combined with each other in various combinations or permutations.

Claims

1. An axial flux motor, characterized in that: include: A housing (100), wherein a stator assembly (110) and a rotor assembly (120) rotatable relative to the stator assembly (110) are arranged in the housing (100), a channel is arranged in the radial middle of the stator assembly (110) and the rotor assembly (120), and the stator assembly (110) is fixedly connected to one end of the housing (100); a rotating shaft (200), one end of the rotating shaft (200) being inserted into the channel, the rotating shaft (200) being coaxially connected to the stator assembly (110) and the rotor assembly (120), and the other end of the rotating shaft (200) protruding out of the housing (100); A control component (300), wherein the control component (300) is arranged at the other end of the housing (100), and the control component (300) is used to realize intelligent control of the axial flux motor.

2. An axial flux motor according to claim 1, characterized in that: The rotor assembly (120) comprises a rotor disk (121) and a plurality of permanent magnets (122); a plurality of protrusions (1211) are arranged on both end surfaces of the rotor disk (121) along a circumferential direction; the protrusions (1211) are arranged at intervals, and the protrusions (1211) cause the rotor surface to present a concave-convex structure.

3. An axial flux motor according to claim 2, characterized in that: The permanent magnet (122) is a fan-shaped pancake structure. The permanent magnet (122) is circumferentially arranged on the surface of the rotor disk (121) facing the stator assembly (110). The permanent magnet (122) is arranged between two adjacent protrusions (1211), so that an axial magnetic flux is formed between the rotor assembly (120) and the stator assembly (110).

4. The axial flux motor according to claim 1, characterized in that: One end of the stator assembly (110) close to the rotor assembly (120) comprises a plurality of teeth (111), the teeth (111) are arranged along the circumferential direction of the stator assembly (110), and the teeth (111) protrude in the direction of the rotor assembly (120).

5. An axial flux motor according to claim 4, characterized in that: An axial gap is provided between the tooth portion (111) and the rotor assembly (120).

6. An axial flux motor according to any one of claims 1 to 5, characterized in that: End covers are installed at both axial ends of the housing (100), and the end covers include a first end cover (130) and a second end cover (140). The first end cover (130) is fixedly connected to the stator assembly (110) via fasteners.

7. An axial flux motor according to claim 6, characterized in that: A support bearing (131) is provided between the first end cover (130) and the rotating shaft (200).

8. An axial flux motor according to claim 6, characterized in that: The control assembly (300) comprises a housing (310) and a controller, wherein the controller is installed in the housing (310), and one end of the housing (310) is fixedly connected to the second end cover (140).

9. An axial flux motor according to claim 8, characterized in that: The housing (310) is provided with a display element (311), and the display element (311) is used to display the operating state of the axial flux motor.

10. A fan, characterized in that: include: At least one axial flux electric machine as claimed in any one of claims 1 to 9; At least one fan, the fan is fixedly connected to the rotating shaft (200), and the fan and the rotating shaft (200) rotate coaxially.

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