Claw pole type permanent magnet direct current motor ceiling fan lamp

Abstract

The utility model provides a claw pole type permanent magnet direct current motor ceiling fan lamp which comprises a ceiling fan assembly and a lamp assembly which are arranged from top to bottom, the ceiling fan assembly comprises a claw pole type permanent magnet direct current motor and a plurality of fan blades, the claw pole type permanent magnet direct current motor comprises a motor shaft, a stator assembly and a rotor assembly, and the stator assembly comprises a stator coil and a stator claw pole. The rotor assembly comprises a rotor support and permanent magnets, the rotor support comprises a rotor cylinder and a rotor ring formed by outwards extending from the outer circumferential wall of the rotor cylinder in the radial direction, the permanent magnets are assembled on the inner circumferential wall of the rotor cylinder, the rotor ring is arranged perpendicular to the motor shaft, and the rotor ring comprises a plurality of installation areas which are evenly distributed in the circumferential direction; each fan blade comprises a fan blade body and a mounting lug arranged at one end of the fan blade body, and the mounting lugs and the mounting area are detachably assembled in the radial direction. The claw pole type permanent magnet direct current motor is used as a power source of the ceiling fan lamp, the ceiling fan lamp has the advantages of being efficient, low in noise, high in stability and the like, and a user can quickly detach the fan blades.

Description

Technical Field

[0001] The utility model belongs to the technical field of household appliances, and in particular relates to a claw-pole permanent magnet DC motor ceiling fan lamp. Background Art

[0002] A ceiling fan lamp is a household appliance that combines lighting and ventilation, and is widely used in homes, offices, shopping malls and other places. Traditional ceiling fans usually use induction motors or DC motors as power sources. These motors have certain limitations, such as low efficiency, high noise, and inconvenient maintenance. In addition, lighting fixtures often rotate with the fan blades. Due to the centrifugal effect, such ceiling fans with lights often have a short lifespan. The fan blades are usually integrally formed or fixedly connected to the drive device. In the absence of ventilation and cooling, the fan blades provide a large dust collection surface, which is often difficult to clean and replace, affecting the user experience. Utility Model Content

[0003] In view of the above-mentioned defects of the prior art, the purpose of the present utility model is to provide a claw-pole permanent magnet DC motor ceiling fan lamp to meet the needs of users.

[0004] To achieve the above object, the utility model provides a claw-pole permanent magnet DC motor ceiling fan lamp, comprising a ceiling fan assembly and a lamp assembly arranged from top to bottom, the ceiling fan assembly comprising

[0005] A claw-pole permanent magnet DC motor, comprising a motor shaft, a stator assembly and a rotor assembly, wherein the stator assembly comprises a stator coil and a stator claw pole, the rotor assembly comprises a rotor support and a permanent magnet, the rotor support comprises a rotor barrel and a rotor ring extending radially outward from the outer peripheral wall of the rotor barrel, the permanent magnet is mounted on the inner peripheral wall of the rotor barrel, the rotor ring is arranged perpendicular to the motor shaft, and the rotor ring comprises a plurality of circumferentially uniformly distributed mounting areas;

[0006] A plurality of fan blades include a fan blade body and a mounting ear arranged at one end of the fan blade body, wherein the mounting ear is detachably assembled with the mounting area along the radial direction.

[0007] Preferably: the stator coil includes a coil frame, a coil winding wound on the coil frame and a coil retaining ring suitable for limiting the axial displacement of the coil winding, the stator claw pole includes an upper claw pole structure and a lower claw pole structure, the upper claw pole structure includes an upper circular plate and a plurality of claw poles extending downward from the outer periphery of the upper circular plate, the lower claw pole structure includes a lower circular plate and a plurality of claw poles extending upward from the outer periphery of the lower circular plate, the upper claw pole structure is coaxially sleeved inside the lower claw pole structure to form a multi-phase structure, a uniform air gap is provided between adjacent claw poles, the coil retaining ring, the upper circular plate and the lower circular plate are fixed by a plurality of bolt structures arranged parallel to the motor shaft to form an integrated stator assembly.

[0008] Preferably, the ceiling fan assembly includes a ceiling fan housing suitable for shielding a claw-pole permanent magnet DC motor, the lamp assembly includes a lampshade and a light source device installed in the lampshade, and a rotating area suitable for allowing fan blades to extend and move outward is provided between the lampshade ceiling fan housing and the lampshade.

[0009] Preferably, the motor shaft includes a fixed end and a free end, the ceiling fan housing includes a first housing, a second housing and a bearing seat detachably enclosed by the two, a thrust bearing suitable for supporting the fixed end is fixedly installed in the bearing seat, the lampshade includes a cover body, a cover body and a cavity detachably enclosed by the two, the light source device is assembled in the cavity, and the cover body is connected to the free end.

[0010] Preferably, the cover body includes a mating plate arranged perpendicular to the motor shaft, the free end is detachably connected to the mating plate, and the mating plate also includes a plurality of circumferentially evenly distributed heat dissipation holes, and mounting claws suitable for supporting the light source device are formed extending downward from the edges of the heat dissipation holes.

[0011] As a preferred embodiment: the central axis of the motor shaft is defined as the first axis, the first shell is rotatably connected to a suspension part, the suspension part is suitable for flipping within a range of 180° around the second axis, the first axis is suitable for passing through the center point of the suspension part, and the first axis is arranged perpendicular to the second axis.

[0012] Preferably, the mounting ear comprises a positioning groove, the mounting area comprises a positioning protrusion, the positioning protrusion has a spherical cap structure, and the positioning protrusion is suitable for snapping into the positioning groove to limit the radial separation of the mounting ear and the mounting area.

[0013] As a preferred embodiment, the mounting area includes an upper limit surface and a lower limit surface suitable for constituting abutment and limiting the mounting ear along the axial direction of the motor shaft, and two limit side surfaces suitable for constituting abutment and limiting the mounting ear in the circumferential direction, wherein:

[0014] The mounting ear has a tendency to arch upward, and the upper surface of the mounting ear has a positioning groove. The upper limit surface includes a positioning protrusion. The fan blade is a cantilever structure, and under the action of its gravity, the upward arching tendency of the mounting ear will be strengthened, further limiting the separation of the positioning protrusion and the positioning groove, and enhancing the installation strength and stability of the fan blade.

[0015] Or, the mounting ear has a tendency to arch downward, the lower surface of the mounting ear has a positioning groove, and the lower limit surface includes a positioning protrusion;

[0016] Alternatively, the mounting ear has a lateral arc surface that bulges outward, the lateral arc surface includes a positioning groove, and the limiting side surface includes a positioning protrusion.

[0017] Preferably: the projection of the upper limit surface on the horizontal plane at most partially falls into the lower limit surface, and the non-overlapping area between the upper limit surface and the lower limit surface is suitable for constituting an observation area and / or a buffer zone. The observation area can be used to observe whether the mounting ear is radially installed in place, and the buffer zone can provide deformation space during the engagement / disengagement of the positioning protrusion and the positioning groove.

[0018] Preferably, one end of the mounting ear is integrally formed with or fixedly connected to the fan blade body, and the other end of the mounting ear has a matching arc surface suitable for fitting the outer peripheral wall of the rotor tube, and / or the mounting ear includes a plurality of criss-crossing reinforcing ribs.

[0019] Preferably, the rotor assembly includes a mating ring, the rotor ring and the mating ring are coaxially assembled to form an installation opening for the installation ear to enter the installation area, the mating ring and the rotor ring have the same radial dimensions, the rotor support includes a rotor disk arranged at the lower end of the rotor barrel, the rotor disk is assembled to the motor shaft through a bearing, and the rotor disk includes a plurality of ventilation holes evenly distributed circumferentially.

[0020] The beneficial effects of the utility model are:

[0021] A claw-pole permanent magnet DC motor is set as the power source of the ceiling fan lamp, which has the characteristics of high efficiency, low noise and high stability. Furthermore, the lamp assembly is installed through the motor shaft, so that the lamp assembly can remain relatively still, which is beneficial to extend the service life of the light source device, while reducing the glare caused by the rotation of the lamp assembly and improving the user experience.

[0022] By detachably connecting the fan blades to the rotor bracket, users can quickly remove the fan blades when they are damaged or need to be replaced and cleaned, thereby maintaining the hygiene and performance of the ceiling fan lamp, optimizing packaging space, reducing transportation costs, and allowing for adaptive disassembly and assembly according to seasonal needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 The utility model provides a structural schematic diagram of a claw-pole permanent magnet DC motor ceiling fan lamp.

[0024] Figure 2 The utility model provides a cross-sectional schematic diagram of a claw-pole permanent magnet DC motor ceiling fan lamp.

[0025] Figure 3 for Figure 2 A magnified schematic diagram of area A in the middle.

[0026] Figure 4 This is a structural schematic diagram of the rotor bracket provided by the utility model.

[0027] Figure 5 This is a three-dimensional schematic diagram of the rotor bracket provided by the utility model from another angle.

[0028] Figure 6This is a schematic structural diagram of the fan blade provided by the utility model.

[0029] Figure 7 This is a structural schematic diagram of the stator assembly provided by the utility model.

[0030] In the figure, a ceiling fan housing 101, a first housing 102, a second housing 103, a bearing seat 104, a thrust bearing 105, a suspension part 106, a claw-pole permanent magnet DC motor 107, a motor shaft 108, a coil skeleton 109, a coil retaining ring 110, an upper claw-pole structure 111, a lower claw-pole structure 112, an upper circular plate 113, a lower circular plate 114, a claw pole 115, a bolt structure 116, a rotor bracket 117, a rotor barrel 118, a rotor disk 119, a ventilation hole 120, and a rotor ring 121. 21. Matching ring 122, first vertical periphery 123, mounting opening 124, upper limit surface 125, lower limit surface 126, positioning protrusion 127, observation area 128, buffer zone 129, fan blade 130, fan blade body 131, mounting ear 132, matching arc surface 133, reinforcing rib 134, positioning groove 135, lampshade 136, cover body 137, cover body 138, cavity 139, matching plate 140, heat dissipation opening 141, mounting claw 142, second vertical periphery 143. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0032] It should also be noted that, in order to avoid obscuring the present invention due to unnecessary details, only structures and / or processing steps closely related to the scheme of the present invention are shown in the accompanying drawings, while other details that are not closely related to the present invention are omitted.

[0033] In addition, it should be noted that the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0034] like Figure 1-7The present invention discloses a claw-pole permanent magnet DC motor ceiling fan lamp, comprising a ceiling fan assembly and a lamp assembly arranged from top to bottom, wherein the ceiling fan assembly comprises a claw-pole permanent magnet DC motor 107, a ceiling fan housing 101 suitable for shielding the claw-pole permanent magnet DC motor 107, and a plurality of fan blades 130. The claw-pole permanent magnet DC motor 107 comprises a motor shaft 108, a stator assembly, and a rotor assembly. The rotor assembly comprises a rotor support 117 and a permanent magnet (not shown in the figure), and the rotor support 117 comprises a rotor barrel 118, a rotor disk 119 arranged at the lower end of the rotor barrel 118, a rotor ring 121 formed by radially extending outward from the outer peripheral wall of the rotor barrel 118, and a matching ring 122 coaxially assembled below the rotor ring 121. The rotor disk 119 is assembled to the motor shaft 108 through a bearing, and the permanent magnet is assembled to the inner peripheral wall of the rotor barrel 118. The rotor ring 121 is arranged perpendicular to the motor shaft 108. The rotor ring 121 includes a plurality of circumferentially evenly distributed mounting areas. The matching ring 122 has the same radial size as the rotor ring 121. The rotor ring 121 and the matching ring 122 form a mounting opening 124 for the mounting ear 132 to enter the mounting area, and are suitable for improving the overall structural strength of the rotor bracket 117. The fan blade 130 includes a fan blade body 131 and a mounting ear 132. The mounting ear 132 includes a plurality of crisscross reinforcing ribs 134. One end of the mounting ear 132 is integrally formed with the main body of the fan blade 130, and the other end of the mounting ear 132 has a matching arc surface 133 suitable for fitting the outer peripheral wall of the rotor barrel 118. The mounting ear 132 is detachably assembled with the mounting area in the radial direction, which is convenient for cleaning and maintenance. When the fan blade 130 is damaged or worn, or to meet the needs of different seasons, the detachable design allows the user to quickly replace the fan blade 130 without replacing the entire fan, reducing the packaging volume, reducing transportation costs, and reducing the risk of damage during transportation.

[0035] In this embodiment, the ceiling fan housing 101 includes a first housing 102, a second housing 103 and a bearing seat 104 detachably enclosed by the first housing 102, and a thrust bearing 105 is fixedly installed in the bearing seat 104. The motor shaft 108 includes a fixed end, a free end and a cavity formed therein for routing, and the fixed end is supported by the thrust bearing 105. The central axis of the motor shaft 108 is defined as the first axis. The first housing 102 is rotatably connected to a suspension portion 106. The suspension portion 106 is suitable for flipping within a range of 180° around the second axis. The first axis is suitable for passing through the center point of the suspension portion 106. The load is evenly distributed, which is conducive to maintaining balance during suspension and reducing swinging or vibration caused by the shift of the center of gravity. Further, when the fan blades 130 rotate, it helps to maintain dynamic stability. The first axis is arranged perpendicular to the second axis.

[0036] In this embodiment, the stator assembly includes a stator coil and a stator claw pole, the stator coil includes a coil frame 109, a coil winding wound on the coil frame 109, and a coil retaining ring 110 suitable for limiting the axial displacement of the coil winding, the stator claw pole includes an upper claw pole structure 111 and a lower claw pole structure 112, the upper claw pole structure includes an upper circular plate 113 and a plurality of claw poles 115 extending downward from the outer periphery of the upper circular plate 113, and the lower claw pole structure 112 includes a lower circular plate 114 and a plurality of claw poles 115 extending upward from the outer periphery of the lower circular plate 114. The upper claw pole structure 111 is coaxially sleeved inside the lower claw pole structure 112 to form a multi-phase structure. There is a uniform air gap between two adjacent claw poles 115. The coil retaining ring 110, the upper circular plate 113, and the lower circular plate 114 are fixed by a plurality of bolt structures 116 arranged parallel to the motor shaft 108 to form an integrated stator assembly with a stable structure. Furthermore, the claw pole 115 has a smooth shape and a uniform air gap, which can avoid torque fluctuations during operation of the claw pole permanent magnet DC motor 107, maintain smooth operation, and achieve the effect of reducing vibration and noise.

[0037] In this embodiment, the lamp assembly includes a lampshade 136 and a light source device (not shown in the figure) installed in the lampshade 136. There is a rotation area between the ceiling fan housing 101 and the lampshade 136, which is suitable for the fan blades 130 to extend outward and move. The lampshade 136 includes a cover body 137, a cover body 138 and a cavity 139 detachably enclosed by the two. The cover body 137 includes a matching plate 140 arranged perpendicular to the motor shaft 108, and the free end is detachably connected to the matching plate 140. The matching plate 140 also includes a plurality of circumferentially evenly distributed heat dissipation holes, and a mounting claw 142 suitable for supporting the light source device is formed extending downward from the edge of the heat dissipation hole. The light source device is assembled in the cavity 139. Further, the rotor disk 119 includes a plurality of circumferentially evenly distributed ventilation holes 120. The mating ring 122 includes a first vertical periphery 123 , and the mating plate 140 includes a coaxially arranged second vertical periphery 143 . A heat dissipation port 141 suitable for communicating with the ventilation port is formed between the first vertical periphery 123 and the second vertical periphery 143 .

[0038] In this embodiment, the installation area includes an upper limit surface 125 and a lower limit surface 126 suitable for forming an abutment limit for the installation ear 132 along the axial direction of the motor shaft 108, and two limit side surfaces suitable for forming a circumferential abutment limit for the installation ear 132. The upper limit surface 125 includes a positioning protrusion 127, and the positioning protrusion 127 has a spherical cap structure. The installation ear 132 has a tendency to arch upward, and the upper surface of the installation ear 132 has a positioning groove 135. The positioning protrusion 127 is suitable for being snapped into the positioning groove 135 to limit the radial separation of the installation ear 132 and the installation area. In particular, the fan blade 130 is a cantilever structure, and the upward arching tendency of the installation ear 132 will be strengthened under the action of its gravity, further limiting the separation of the positioning protrusion 127 and the positioning groove 135, and strengthening the installation strength and stability of the fan blade 130.

[0039] In this embodiment, the shadow of the claw-pole permanent magnet DC motor 107107 on the horizontal plane of the upper limit surface 125 does not fall into the lower limit surface 126, the upper limit surface 125 is set in the center of the installation area, and the lower limit surface 126 is connected to the limit inclined surface. The non-overlapping area of ​​the upper limit surface 125 and the lower limit surface 126 is suitable for forming an observation area 128 and a buffer zone 129. Specifically, the area between the upper limit surface 125 and the limit inclined surface is suitable for forming an observation area 128 for observing whether the mounting ear 132 is installed in place in the radial direction, and the area between the two lower limit surfaces 126 is suitable for forming a buffer zone 129. The buffer zone 129 can provide a deformation space during the engagement / disengagement of the positioning protrusion 127 and the positioning groove 135.

[0040] The above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model.

Claims

1. A claw-pole permanent magnet DC motor ceiling fan lamp, characterized in that: It comprises a ceiling fan assembly and a lamp assembly arranged from top to bottom, wherein the ceiling fan assembly comprises A claw-pole permanent magnet DC motor, comprising a motor shaft, a stator assembly and a rotor assembly, wherein the stator assembly comprises a stator coil and a stator claw pole, the rotor assembly comprises a rotor support and a permanent magnet, the rotor support comprises a rotor barrel and a rotor ring extending radially outward from the outer peripheral wall of the rotor barrel, the permanent magnet is mounted on the inner peripheral wall of the rotor barrel, the rotor ring is arranged perpendicular to the motor shaft, and the rotor ring comprises a plurality of circumferentially uniformly distributed mounting areas; A plurality of fan blades include a fan blade body and a mounting ear arranged at one end of the fan blade body, wherein the mounting ear is detachably assembled with the mounting area along the radial direction.

2. A claw-pole permanent magnet DC motor ceiling fan lamp according to claim 1, characterized in that: The stator coil includes a coil frame, a coil winding wound on the coil frame and a coil retaining ring suitable for limiting the axial displacement of the coil winding. The stator claw pole includes an upper claw pole structure and a lower claw pole structure. The upper claw pole structure includes an upper circular plate and a plurality of claw poles extending downward from the outer periphery of the upper circular plate. The lower claw pole structure includes a lower circular plate and a plurality of claw poles extending upward from the outer periphery of the lower circular plate. The upper claw pole structure is coaxially sleeved inside the lower claw pole structure to form a multi-phase structure. A uniform air gap is provided between two adjacent claw poles. The coil retaining ring, the upper circular plate and the lower circular plate are fixed by a plurality of bolt structures arranged parallel to the motor shaft to form an integrated stator assembly.

3. A claw-pole permanent magnet DC motor ceiling fan lamp according to claim 2, characterized in that: The ceiling fan assembly includes a ceiling fan housing suitable for covering the claw-pole permanent magnet DC motor, and the lamp assembly includes a lampshade and a light source device installed in the lampshade. The lampshade has a rotating area between the ceiling fan housing and the lampshade suitable for the fan blades to extend outward and move.

4. The claw-pole permanent magnet DC motor ceiling fan lamp according to claim 3, characterized in that: The motor shaft includes a fixed end and a free end, the ceiling fan housing includes a first housing, a second housing and a bearing seat detachably enclosed by the two, a thrust bearing suitable for supporting the fixed end is fixedly installed in the bearing seat, the lampshade includes a cover body, a cover body and a cavity detachably enclosed by the two, the light source device is assembled in the cavity, and the cover body is connected to the free end.

5. The claw-pole permanent magnet DC motor ceiling fan lamp according to claim 4, characterized in that: The cover body includes a matching plate arranged perpendicular to the motor shaft, the free end is detachably connected to the matching plate, the matching plate also includes a plurality of circumferentially evenly distributed heat dissipation holes, and mounting claws suitable for supporting the light source device are formed extending downward from the edges of the heat dissipation holes; And / or, define the central axis of the motor shaft as the first axis, the first shell is rotatably connected to a suspension part, the suspension part is suitable for flipping within a range of 180° around the second axis, the first axis is suitable for passing through the center point of the suspension part, and the first axis is arranged perpendicular to the second axis.

6. A claw-pole permanent magnet DC motor ceiling fan lamp according to any one of claims 1-5, characterized in that: The mounting ear comprises a positioning groove, the mounting area comprises a positioning protrusion, the positioning protrusion has a spherical cap structure, and the positioning protrusion is suitable for being inserted into the positioning groove to limit the radial separation of the mounting ear and the mounting area.

7. The claw-pole permanent magnet DC motor ceiling fan lamp according to claim 6, characterized in that: The installation area includes an upper limit surface and a lower limit surface suitable for forming an abutment limit for the installation ear along the axial direction of the motor shaft, and two limit side surfaces suitable for forming a circumferential abutment limit for the installation ear, wherein: The mounting ear has a tendency to arch upward, the upper surface of the mounting ear has the positioning groove, and the upper limit surface includes the positioning protrusion; Or, the mounting ear has a tendency to arch downward, the lower surface of the mounting ear has the positioning groove, and the lower limit surface includes the positioning protrusion; Alternatively, the mounting ear has a lateral arc surface that bulges outward, the lateral arc surface includes the positioning groove, and the limiting side surface includes the positioning protrusion.

8. The claw-pole permanent magnet DC motor ceiling fan lamp according to claim 7, characterized in that: The projection of the upper limit surface on the horizontal plane at most partially falls into the lower limit surface, and the non-overlapping area between the upper limit surface and the lower limit surface is suitable for constituting an observation area and / or a buffer zone. The observation area can be used to observe whether the mounting ear is radially installed in place, and the buffer zone can provide deformation space during the engagement / disengagement of the positioning protrusion and the positioning groove.

9. The claw-pole permanent magnet DC motor ceiling fan lamp according to claim 6, characterized in that: One end of the mounting ear is integrally formed with or fixedly connected to the fan blade body, and the other end of the mounting ear has a matching arc surface suitable for fitting the outer peripheral wall of the rotor tube, and / or the mounting ear includes a plurality of criss-crossing reinforcing ribs.

10. The claw-pole permanent magnet DC motor ceiling fan lamp according to claim 6, characterized in that: The rotor assembly includes a mating ring, the rotor ring is coaxially assembled with the mating ring and forms a mounting opening for the mounting ear to enter the mounting area, the mating ring and the rotor ring have the same radial size, the rotor support includes a rotor disk arranged at the lower end of the rotor barrel, the rotor disk is assembled to the motor shaft through a bearing, and the rotor disk includes a plurality of ventilation holes evenly distributed circumferentially.

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