CN112412843A

CN112412843A - Air supply device

Info

Publication number: CN112412843A
Application number: CN201910786690.0A
Authority: CN
Inventors: 邱水兵; 罗伟锦; 叶似锦; 梁显堂; 陈炜杰
Original assignee: Midea Group Co Ltd; GD Midea Environment Appliances Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; GD Midea Environment Appliances Manufacturing Co Ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2021-02-26
Anticipated expiration: 2039-08-23
Also published as: CN112412843B

Abstract

The present invention provides an air supply device, including: the fan blade assembly is provided with an air passing channel along the inner side of the radial direction, so that air can flow from one end of the fan blade assembly to the other end of the fan blade assembly through the air passing channel; the rotor structure is directly connected with the fan blade assembly; the stator structure is detachably connected with the rotor structure, and the stator structure comprises at least one stator core arranged on one side of the rotor structure and used for driving the rotor structure to rotate, so that the fan blade assembly is driven to rotate. According to the technical scheme, the eccentric arrangement between the driving device and the fan blades can be realized, the overall space occupation can be reduced, the arrangement positions of the rotor structure and the stator structure can be changed according to the specific structure of the air supply device, the light weight is favorably realized, the application range is wide, in addition, the air can be compensated through the air passing channel through the arrangement of the wind tunnel, the air outlet flow of the air supply device is increased, and the stability of the air outlet flow is favorably maintained.

Description

Air supply device

Technical Field

The invention relates to the technical field of fans, in particular to an air supply device.

Background

At present, fan motor commonly used comprises the stator and the rotor of establishing by inside and outside mutual cover, when the motor is driven externally, rotate the operation that realizes flabellum or other loads through the pivot of stator drive rotor and then drive motor, wherein, stator and the coaxial setting of rotor, and need form enclosed construction in the circumferential direction, the pivot can outwards stretch out along the axial, thereby make because the restriction of the structure of motor self, can increase the ascending size of whole product in the axial direction, the mutual position relation dumb of stator and rotor simultaneously, be unfavorable for the lightweight design of fan.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art or the related art.

Therefore, the invention aims to provide an air supply device.

In order to achieve the above object, according to an aspect of the present invention, there is provided an air blowing device including: the fan blade assembly is provided with an air passing channel along the inner side of the radial direction, so that air can flow from one end of the fan blade assembly to the other end of the fan blade assembly through the air passing channel; the rotor structure is directly connected with the fan blade assembly; the stator structure is detachably connected with the rotor structure, and the stator structure comprises at least one stator core arranged on one side of the rotor structure and used for driving the rotor structure to rotate, so that the fan blade assembly is driven to rotate.

The air supply device comprises a fan blade assembly, a rotor structure and a stator structure. Through the rotation of the fan blade assembly, air is stirred to form airflow, and the airflow flows to the air outlet side of the air supply device, so that the operation of the air supply device is realized; the air passing channel is arranged on the inner side of the fan blade component along the radial direction, so that air can flow to the other end of the fan blade component from one end of the fan blade component through the air passing channel, blocking of the fan blade component on air flow is reduced, air outlet flow of the air supply device is increased, and stability of the air outlet flow is kept. It can be understood that the conventional fan has no air passage at the position of the rotating shaft of the fan blade, and can block the air flow locally, so that the air flow at the air outlet side is easy to generate cyclone, and the air flow is disturbed. Through rotor structure direct with flabellum subassembly be connected to cancel the drive shaft in the traditional fan, changed stator structure and rotor structure in the traditional fan for flabellum subassembly's mode of setting, make stator structure need not to set up along the axial with flabellum subassembly, thereby can reduce air supply arrangement's the ascending size in axial direction, effectively reduce the occupation to the space, be favorable to realizing lightweight and miniaturized design.

Optionally, the rotor structure can be arranged on the outer side surface, the inner side surface and the end surface of the fan blade assembly, can be arranged on the side surface and the end surface simultaneously, and can be arranged on other positions which can be directly connected with the fan blade assembly according to the structural characteristics of the fan blade assembly.

In addition, the stator structure comprises at least one stator core arranged on one side of the rotor structure, the structure of the stator in the conventional air supply device is changed, namely, a closed annular structure or a symmetrical structure is not required to be formed in the rotor structure or outside the rotor structure along the circumferential direction, and the rotor structure can be driven to rotate by arranging at least one stator core corresponding to the rotor structure, namely, the stator core is arranged on one side of the rotor structure, so that the fan blade assembly is driven to move; meanwhile, the whole volume and the weight of the air supply device can be further reduced by the arrangement position of the stator structure, the space occupation in the axial direction of the air supply device can be particularly reduced, the motor installation position behind fan blades of a traditional fan can be eliminated, the flattening of the air supply device is facilitated, the weight and the eccentric influence of the head part of the air supply device are reduced, the unnecessary counterweight arrangement is reduced, and the overall stability is facilitated to be improved.

Wherein, because can dismantle between stator structure and the rotor structure, so when the flabellum subassembly of fan rotated, can pull down flabellum subassembly together with rotor structure alone and wash or change, be convenient for operate.

It should be emphasized that the stator structure is correspondingly arranged on one side of the rotor structure according to the arrangement position of the rotor structure, so that the air supply device integrally forms an eccentric structure, the arrangement position of the stator structure is more flexible, and the stator structure is suitable for fan blade assemblies with various different structures. Optionally, the stator structure may be disposed on the outer side and the inner side of the rotor structure along the circumferential direction, may be disposed on one side of the rotor structure in the axial direction, or may be disposed at other positions according to the specific structure of the fan blade assembly.

The whole rotor structure can be circular ring, square ring, elliptical ring or other closed rings.

In addition, the air supply device in the above technical solution provided by the present invention may further have the following additional technical features:

in the above technical solution, the fan blade assembly specifically includes: the fan blade assembly comprises a supporting structure and fan blades which are rotatably arranged on the inner side or the outer side of the supporting structure.

In this technical scheme, through locating bearing structure's inboard or outside with the flabellum rotationally to through the radial displacement or the axial displacement of bearing structure restriction flabellum, make the axis when the flabellum rotates along with rotor structure under stator structure's magnetic force effect not take place the skew, be favorable to keeping air supply arrangement's stability. It can be understood that the stator structure is arranged on one side of the rotor structure, the stress of the whole rotor structure is not balanced, and the rotor structure is limited by the supporting structure.

The specific form of the supporting structure includes, but is not limited to, a fixed shaft, a bearing, a fixed turntable, and a magnetic suspension device.

In the above technical scheme, the air passing channel is arranged along the axial direction of the fan blade.

In the technical scheme, the air passing channel is limited to be arranged along the axial direction of the fan blades, so that the direction of the air flow passing through the air passing channel and flowing to the air outlet side of the air supply device is consistent with the direction of the air flow formed by the fan blades, and the problem that the stability of the whole air outlet flow of the air supply device is influenced by the mutual dispersion of a plurality of air flows is avoided.

Further, the axis of rotation of the fan blades passes through the air passage.

In the technical scheme, the rotating axis of the fan blade is limited to penetrate through the air passing channel, namely at least part of the air passing channel extends from one end of the fan blade assembly to the other end along the rotating axis of the fan blade, so that the blockage of the air flow nearby the rotating axis of the fan blade assembly is reduced, the air flow of the central part of the outlet air flow is supplemented through the air passing channel, and meanwhile, the stability of the outlet air flow is improved. It can be understood that when the position of the rotating shaft of the fan blade assembly has no air passing channel, the air flow can be blocked locally, the air outlet flow of the air supply device can easily generate cyclone, the air flow is disordered, the air flow is supplemented to the central part of the air outlet flow through the national air channel, the generation of the cyclone can be effectively reduced, and the stability of the air outlet flow can be kept.

Furthermore, the air passage is cylindrical and is coaxial with the fan blades.

In this technical scheme, cross the wind passageway for being coaxial cylindric with the flabellum through specifically injecing to the air current that passes the wind passageway and flow to air supply arrangement's air-out side is in the center of whole air-out air current, and the mutual dispersion effect between the reducible air current is favorable to passing the air current of wind passageway and the air current that the flabellum formed fuses each other, thereby strengthens the bulk strength of air-out air current.

In the above technical scheme, the air passing channel and the rotation axis of the fan blade form a preset angle.

In this technical scheme, be preset the angle through the axis of rotation of injecing wind passageway and flabellum to the axis of rotation that makes wind passageway and flabellum is the slope form, in order according to specific air supply demand, makes the air current that passes wind passageway flow to air supply arrangement's air-out side along presetting the angle, and joins the air current that forms to a certain direction slope with the air-out air current that the flabellum formed.

Specifically, the preset angle is any non-zero angle, and further, the preset angle ranges from 0 ° to 30 °.

In the technical scheme, the air passing channel is spiral.

In this technical scheme, through set up the spiral helicine passageway of crossing wind on the flabellum subassembly to the air current that passes the air outlet side that the passageway flowed to air supply arrangement of crossing flows with the spiral form, can promote to fuse with the air current that the flabellum formed, is favorable to strengthening the bulk strength of air-out air current.

In the above technical solution, the inner diameter of the air passage is not changed in the axial direction of the fan blade assembly.

In the technical scheme, the inner diameter size of the air passing channel is limited to be kept constant along the axial direction of the fan blade assembly, so that the flow of the air passing channel is kept constant, and the influence on the flow of air flow passing through the air passing channel due to the change of the inner diameter size of the air passing channel is avoided. It can be understood that if the flow of the air passing channel is too small, the air cannot be supplemented, and if the flow of the air passing channel is too large, the air flow formed by the fan blades is easily dispersed, which is not beneficial to the fusion of the air flow and affects the whole air outlet flow of the air supply device.

In the above technical solution, the motor includes a driving area, the driving area includes at least one stator core, and a portion of the rotor structure directly opposite to the stator structure.

In the technical scheme, the motor comprises a driving area, specifically, the driving area comprises at least one stator core and a part of the rotor structure, which is opposite to the stator structure, i.e. the rotor structure is driven to rotate by the driving force generated by the stator core in the driving area to the part of the rotor structure, which is opposite to the stator core. The stator core is fixed, so that when the rotor structure rotates, the part of the rotor structure opposite to the stator structure in the driving area is changed, but the tangential driving force applied to the whole rotor structure is unchanged, so that the rotor structure is driven to continuously rotate, and the motor is operated.

The number of the driving regions may be one or more.

In the above technical scheme, the stator structure has a first curved surface facing the rotor structure, the first curved surface is arc-shaped, the rotor structure is ring-shaped, and the curvature of the side of at least part of the stator structure facing the rotor structure is the same as that of the rotor structure.

In the technical scheme, the rotor structure is limited to be in a circular ring shape, the stator structure is provided with the first curved surface facing the arc shape of the rotor structure, and the curvature of at least part of the first curved surface is the same as that of the rotor structure, so that the first curved surface and the rotor structure are at equal intervals, and therefore the driving force formed by at least part of the stator structure on the rotor structure is kept balanced, and the stability of the rotor structure in the rotating process is improved.

It will be appreciated that at least part of the arc of the first curved surface is parallel to the arc of the rotor structure.

In the above technical scheme, the first curved surface is arc-shaped, the rotor structure is circular, and the curvature of the first curved surface is the same as that of the rotor structure.

In this technical scheme, be the ring shape through injecing the rotor structure, first curved surface is arc, and the camber of first curved surface is the same with the camber of rotor structure for the whole equidistant setting that forms of stator structure and rotor structure, thereby make the drive power that the stator structure formed to the rotor structure keep invariable throughout in the rotor structure rotation process, can further improve the stability of rotor structure rotation process. It can be understood that if the driving force of the stator structure to the rotor structure changes, the rotation speed of the rotor structure is easily changed, and the rotation stability of the rotor structure is affected.

Wherein, the cambered surface of first curved surface and the cambered surface of rotor structure are parallel all the time.

In the above technical solution, the maximum distance between the rotor structure and the stator structure is not greater than 4 mm.

The maximum distance between the rotor structure and the stator structure is not more than 4mm, so that a gap can be kept between the rotor structure and the stator structure, the stator structure is prevented from interfering the rotation of the rotor structure, the driving force generated by the stator structure to the rotor structure is enabled to be as large as possible, and the rotation efficiency of the rotor structure is improved.

Alternatively, the driving effect is optimized when no barrier is arranged between the stator structure and the rotor structure.

In the above technical solution, the stator structure includes at least two stator teeth disposed on at least one stator core and disposed toward the rotor structure.

In this technical scheme, be equipped with the stator tooth on the stator core, be provided with two at least stator teeth that are equipped with stator winding towards rotor structure on restricting at least one stator core to through the magnetic field effort of two stator tooth forms rotor structure in pairs, drive rotor structure and take place to rotate, and then drive the load operation.

The stator structure includes at least two stator teeth, and the at least two stator teeth may be disposed on one stator core or on a plurality of stator cores, that is, the number of the stator cores is one or more, and the total number of the stator teeth on all the stator cores is at least two.

In the technical scheme, the number of the stator teeth is at least two, and the stator windings on any two stator teeth are sequentially electrified and have the same polarity; or the number of the stator teeth is at least two, the stator windings on any two stator teeth are electrified simultaneously and have different polarities, and the magnetic poles of the stator windings on any two stator teeth are alternated.

In the technical scheme, the stator iron core is provided with at least two stator teeth, and the stator windings on any two stator teeth are sequentially electrified and have the same polarity, so that the rotor structure is sequentially acted by the stator windings on the two stator teeth to generate acting force in the same direction, and the rotor structure continuously rotates in the same direction; in addition, the stator windings on any two stator teeth can be electrified at the same time and have different polarities, and the magnetic poles of the stator windings on any two stator teeth are alternated to generate continuous acting force in the same direction on the rotor structure so as to drive the rotor structure to rotate continuously in the same direction.

It should be noted that the stator teeth are arranged toward the rotor structure, so that the magnetic field generated by the stator winding after being electrified can drive the rotor, thereby driving the rotor structure to drive the fan blade assembly to rotate.

It is understood that at least two stator teeth may be provided on the same stator core, or on different stator cores.

In the above technical solution, the stator structure includes a stator core having three stator teeth, and distances from end faces of stator tooth shoes of the three stator teeth to the rotor structure are all equal.

In the technical scheme, the stator structure is limited to comprise the stator core with three stator teeth, and the distances from the end surfaces of the stator tooth shoes of the three stator teeth to the rotor structure are equal, so that the rotor structure and the end surfaces of the stator tooth shoes of each stator tooth keep the same distance, the size of the magnetic field acting force applied to the rotor structure in the rotating process is ensured to be balanced, and the stability of the fan blade assembly in the operating process is improved.

The number of the stator cores with the three stator teeth can be one or multiple, and the plurality of stator cores can be uniformly distributed or asymmetrically arranged.

In the technical scheme, the number of the stator teeth is at least three, and the stator windings on any two stator teeth are sequentially electrified and have the same polarity; or the number of the stator teeth is at least three, the stator windings on any two stator teeth are electrified simultaneously and have different polarities, and the magnetic poles of the stator windings on any two stator teeth are alternated.

In the technical scheme, the number of the stator teeth on the stator core is limited to be at least three, and the stator windings on any two stator teeth are sequentially electrified and have the same polarity, so that the rotor structure is sequentially acted by the stator windings on the two stator teeth to generate acting force in the same direction, and the rotor structure continuously rotates in the same direction; in addition, the stator windings on any two stator teeth can be electrified at the same time and have different polarities, and the magnetic poles of the stator windings on the two stator teeth are alternated to generate continuous acting force in the same direction on the rotor structure so as to drive the rotor structure to rotate continuously in the same direction.

For example, the number of the stator teeth of the stator structure is three, two adjacent stator windings are simultaneously electrified, specifically, the first stator winding and the second stator winding are electrified, and then the second stator winding and the third stator winding are electrified, wherein the first stator winding generates an N-pole magnetic field to attract the S-pole of the magnetic member in the rotor structure, the second stator winding generates an S-pole magnetic field to attract the N-pole of the magnetic member in the rotor structure, a tangential acting force is integrally formed on the rotor structure, then the second stator winding and the third stator winding are electrified, the second stator winding generates an N-pole magnetic field to repel the N-pole of the magnetic member, the third stator winding generates an S-pole magnetic field to repel the S-pole of the magnetic member, so that the rotor assembly continues to rotate, and the rotor assembly continuously rotates by circulating.

Particularly, the air supply device can also realize reverse operation by adjusting the electrifying sequence of the three stator windings, in short, the third stator winding and the second stator winding are electrified firstly, and then the second stator winding and the first stator winding are electrified to realize reverse rotation.

In the above technical solution, the air supply device further includes a magnetic determination device, and the magnetic determination device is disposed along a circumferential direction of the rotor structure and is used for obtaining a rotation direction of the rotor structure relative to the stator structure.

In this technical solution, the magnetic determination device disposed along the circumferential direction of the rotor structure is used to obtain the rotation direction of the rotor structure relative to the stator structure, so that the rotor structure rotates along a certain direction, for example, clockwise or counterclockwise.

The magnetic judging device can be a Hall element, and can also be other sensors for detecting magnetism so as to determine the rotating direction of the rotor structure and reduce the occurrence of abnormal rotation such as stalling or reversion.

Specifically, when the stator structure comprises two stator teeth, the rotor structure can be driven by respectively electrifying or simultaneously electrifying the windings on the two stator teeth, specifically, when the stator structure is respectively electrified, the N pole is firstly electrified by the first stator winding, the magnetic part of the S pole on the rotor structure is attracted to move towards the first stator winding, the polarity of the magnetic part corresponding to the second stator winding is the N pole, then, the N pole is electrified by the second stator winding, the rotor is driven to rotate by repulsive force, and the two stator windings are sequentially electrified to realize rotation; when the two stator windings are electrified simultaneously, the magnetic poles of the two stator windings after being electrified are opposite, for example, the magnetic poles of the two stator windings are electrified for the first time and are respectively N-S, and when the rotor rotates to the corresponding position, the magnetic poles of the stator windings are adjusted to be S-N, so that repulsion force is generated on the current rotor to form rotation.

In the above technical scheme, the number of the stator cores is multiple, each stator core is provided with at least one stator tooth, and the plurality of stator cores are arranged along the circumferential direction of the rotor structure.

In the technical scheme, the plurality of stator cores are limited to be arranged along the circumferential direction of the rotor structure, and each stator core is provided with at least one stator tooth, so that the distance between the rotor structure part corresponding to the stator structure and the stator structure is kept consistent, and the stress balance of the rotor structure in the radial direction is facilitated. Further, when a plurality of stator core evenly set up along rotor structure's circumference, help rotor structure in the atress equilibrium of circumference direction, alleviateed the vibration that the rotor subassembly produced at the rotation in-process to keep rotor structure to rotate the stability of in-process, and then reduced the noise that air supply arrangement produced in the course of the work, prolonged air supply arrangement's life. In addition, increase the quantity of stator tooth, can increase the holistic magnetic field effort of stator structure to rotor structure's slew rate accelerates, consequently, can set up corresponding quantity's stator tooth according to flabellum subassembly's rotational speed demand, thereby enlarge application scope.

In the above solution, the rotor structure comprises at least one magnetic element.

In this technical scheme, rotor structure includes at least one magnetism spare, through the magnetic field of the stator winding on the stator structure who corresponds the setting with magnetism spare, produces the effort to magnetism spare, and the effort direction that a plurality of magnetism spares received is the same to drive magnetism spare and rotate, realize driving flabellum subassembly and rotate. It can be understood that the longer the magnetic member is in the circumferential direction, the longer the magnetic force of the stator structure acts on the magnetic member, and even if the rotor structure only includes one magnetic member, the continuous rotation can be realized by the stator structure as long as the magnetic member is long enough in the circumferential direction.

In above-mentioned technical scheme, be equipped with a plurality of holding tanks on the side or the terminal surface of flabellum, the magnetic part is corresponding to be located in the holding tank.

In this technical scheme, through be equipped with the holding tank that can hold the magnetic part on the side or the terminal surface at the flabellum to the installation and the connection of magnetic part on the flabellum, simultaneously, the shape of holding tank and the shape looks adaptation of magnetic part, with spacing and fixed to the magnetic part, prevent that the magnetic part from breaking away from or colliding with the flabellum emergence in the rotation process, can effectively reduce air supply arrangement's wearing and tearing, improve the reliability.

In the above technical scheme, the magnetic member is a magnetic sheet, and the magnetic sheet forms an annular structure.

In the technical scheme, the magnetic piece is a magnetic sheet, so that the weight of a single magnetic piece can be reduced, and the air supply device is light. Meanwhile, the magnetic sheets are convenient to mount on the fan blades, and form an annular structure through the magnetic sheets, so that the stress balance in the rotation process of the rotor structure can be kept, the radial or axial thickness of the fan blades cannot be excessively increased, and the overall shape or structure of the air supply device cannot be influenced.

In the above technical solution, the magnetic members are continuously arranged in the circumferential direction.

The magnetic pieces are continuously arranged along the circumferential direction, so that the rotor structure forms an annular belt-shaped structure, and the rotor structure is under the action of balanced magnetic force in the rotating process, and the stability of the rotor structure in the rotating process is favorably kept.

In the technical scheme, the magnetic parts are uniformly arranged along the circumferential direction, and a circumferential gap exists between any two adjacent magnetic parts.

Through with magnetic part along circumference evenly arranged, and there is the circumference clearance directly for arbitrary two adjacent magnetic parts, make the rotor structure form discontinuous structure, and a plurality of magnetic parts etc. arrange along circumference interval for the size and the direction of the magnetic force that every magnetic part received are the same, thereby keep the stability of rotor structure rotation in-process.

In the above technical solution, the magnetic member is an integral structure.

In this technical scheme, as an organic whole structure through setting up the magnetic part to the installation and the spacing of magnetic part have reduced the clearance between a plurality of magnetic parts and consequently and the rocking that leads to, help reducing the magnetic part and take place the possibility of removing.

In the above technical scheme, the rotor structure is arranged on the outer side wall surface of the fan blade, and the stator structure is arranged outside the fan blade.

In the technical scheme, the rotor structure is arranged on the outer side wall surface of the fan blade, and the stator structure is arranged outside the fan blade, so that the stator core of the stator structure is arranged opposite to the rotor structure along the radial direction of the rotor structure, and generates corresponding magnetic force to drive the rotor structure to rotate. The stator structure is arranged outside the fan blades, so that the space between the stator structure and the rotor structure is favorably reduced, and the driving force to the rotor structure is enhanced.

In the above technical scheme, the rotor structure is arranged on the outer side wall surface of the fan blade, and the stator structure is arranged in the fan blade.

In the technical scheme, the rotor structure is arranged on the outer side wall surface of the fan blade, and the stator structure is arranged in the fan blade, so that the stator core of the stator structure is arranged opposite to the rotor structure along the radial direction of the rotor structure, and generates corresponding magnetic force to drive the rotor structure to rotate. The stator structure is arranged in the fan blade, so that the size of the air supply device in the radial direction is reduced, and the occupied space is reduced.

In the above technical scheme, the flabellum is the annular, and rotor structure locates the outside wall of the outer lane of flabellum, and the stator is located between the outer lane and the inner circle of flabellum.

In this technical scheme, the flabellum is the annular, the flabellum is equipped with at least one cavity that extends along axial direction promptly, through locating the outer side wall of the outer lane of flabellum with rotor structure, and locate stator structure between the outer lane and the inner circle of flabellum, so that stator structure corresponds the setting with rotor structure along the radial direction of flabellum, stator structure locates in the cavity between the outer lane of flabellum and the inner circle promptly, through the magnetic force effect of stator structure to rotor structure production, drive rotor structure drives the flabellum and rotates, simultaneously, be favorable to reducing air supply arrangement along the size of radial direction, reduce the space and occupy.

In the above technical scheme, the fan blades are annular, the rotor structure is arranged on the outer side wall surface of the outer ring of the fan blades, and the stator is arranged in the inner ring of the fan blades.

In this technical scheme, the flabellum is the annular, the flabellum is equipped with at least one cavity that extends along axial direction promptly, through locating the outer side wall of the outer lane of flabellum with rotor structure, and locate stator structure within the inner circle of flabellum, so that stator structure corresponds the setting with rotor structure along the radial direction of flabellum, stator structure locates in the cavity within the inner circle of flabellum promptly, magnetic force effect through stator structure to rotor structure production, drive rotor structure drives the flabellum and rotates, simultaneously, be favorable to reducing air supply arrangement along the size of radial direction, reduce the space and occupy.

In the above technical scheme, the rotor structure is arranged on the inner side wall surface of the fan blade, and the stator structure is arranged outside the fan blade.

In the technical scheme, the rotor structure is arranged on the inner side wall surface of the fan blade, the stator structure is arranged outside the fan blade, and the stator core of the stator structure is arranged opposite to the rotor structure along the radial direction of the rotor structure and generates corresponding magnetic force to drive the rotor structure to rotate.

In the above technical scheme, the flabellum is the annular, and the rotor structure locates the inside wall face of the outer lane of flabellum, and the stator is located outside the flabellum.

In this technical scheme, the flabellum is the annular, through the inside wall face of locating the outer lane of flabellum with rotor structure, and locate the stator structure outside the flabellum, and stator structure corresponds the setting with rotor structure along the radial direction of flabellum, and through the magnetic force effect that stator structure produced rotor structure, drive rotor structure and drive the flabellum and rotate. Wherein, the stator structure is located outside the flabellum to when being not suitable for installation stator structure in the flabellum, for example when the whole size of flabellum is less or be equipped with other parts in the flabellum, still enable stator structure and rotor structure and correspond the setting, in order to avoid influencing stator structure to rotor structure's driving action, simultaneously, can make and keep less radial interval between rotor structure and the stator structure.

In the above technical scheme, the flabellum is the annular, and the rotor structure is located the inside wall face of the inner circle of flabellum, and the stator is located outside the flabellum.

In this technical scheme, the flabellum is the annular, through locating the inner side wall face of the inner circle of flabellum with rotor structure, and locate the stator structure outside the flabellum, and stator structure corresponds the setting with rotor structure along the radial direction of flabellum to through the magnetic force effect that stator structure produced to rotor structure, drive rotor structure and drive the flabellum and rotate. Wherein, the stator structure is located outside the flabellum to when being not suitable for installation stator structure in the flabellum, for example the whole size of flabellum is less, or when being equipped with other parts in the flabellum, still enable stator structure and rotor structure and correspond the setting, in order to avoid influencing the drive effect of stator structure to rotor structure.

In the above technical scheme, the rotor structure is arranged on the inner side wall surface of the fan blade, and the stator is arranged in the fan blade.

In the technical scheme, the rotor structure is arranged on the inner side wall surface of the fan blade, the stator structure is arranged in the fan blade, and the stator core of the stator structure is arranged corresponding to the rotor structure along the radial direction of the rotor structure and generates corresponding magnetic force to drive the rotor structure to rotate. Meanwhile, the radial distance between the rotor structure and the stator structure can be reduced, and the driving force of the stator structure to the rotor structure is enhanced.

In the above technical scheme, the flabellum is the annular, and the inside wall face of the outer lane of flabellum is located to rotor structure, and stator structure locates between the outer lane and the inner circle of flabellum.

In this technical scheme, the flabellum is the annular, is equipped with at least one cavity that extends along axial direction on the flabellum promptly, through locating the inside wall face of the outer lane of flabellum with rotor structure, and the stator is located between the outer lane of flabellum and the inner circle, and stator structure locates in the cavity between the outer lane of flabellum and the inner circle promptly, and stator structure and rotor structure correspond the setting along radial direction to through the magnetic force effect that stator structure produced rotor structure, drive rotor structure and drive the flabellum and rotate. The stator structure is arranged between the outer ring and the inner ring of the fan blade, the overall size of the air supply device in the radial direction is reduced, and meanwhile, the driving force of the stator structure on the rotor structure can be increased by reducing the distance between the stator structure and the rotor structure.

In the above technical scheme, the flabellum is the annular, and rotor structure locates the inside wall face of the outer lane of flabellum, and the stator is located within the inner circle of flabellum.

In this technical scheme, the flabellum is the annular, the flabellum is equipped with at least one cavity that extends along axial direction promptly, through locating the inside wall face of the outer lane of flabellum with rotor structure, and locate stator structure within the inner circle of flabellum, so that stator structure corresponds the setting with rotor structure along the radial direction of flabellum, stator structure locates in the cavity within the inner circle of flabellum promptly, magnetic force effect through stator structure to rotor structure production, drive rotor structure drives the flabellum and rotates, simultaneously, be favorable to reducing air supply arrangement along the size of radial direction, reduce the space and occupy.

In the above technical scheme, the flabellum is the annular, and rotor structure locates the inside wall face of the inner circle of flabellum, and the stator is located between the outer lane and the inner circle of flabellum.

In this technical scheme, the flabellum is the annular, is equipped with at least one cavity that extends along axial direction on the flabellum promptly, through locating the inside wall face of the inner circle of flabellum with rotor structure, and the stator is located between the outer lane of flabellum and the inner circle, and stator structure locates in the cavity between the outer lane of flabellum and the inner circle promptly, and stator structure and rotor structure correspond the setting along radial direction to through the magnetic force effect that stator structure produced rotor structure, drive rotor structure and drive the flabellum and rotate. The stator structure is arranged between the outer ring and the inner ring of the fan blade, and the overall size of the air supply device in the radial direction is reduced. It can be understood that when the inner ring of the fan blade is not suitable for installing the stator structure, for example, when the whole size of the fan blade is small or other components are arranged in the fan blade, the stator structure and the rotor structure can still be arranged correspondingly, so as to avoid influencing the driving action of the stator structure on the rotor structure.

In the above technical solution, the fan blade specifically includes: the fan comprises a first fan blade support and a plurality of first fan blades, wherein the first fan blades are arranged on the outer side wall surface of the first fan blade support along the circumferential direction of the fan blades.

In this technical scheme, the flabellum specifically includes first fan blade support and a plurality of first fan blade, locates on the outside wall of first fan blade support along the circumference of flabellum through a plurality of first fan blades to make first fan blade support rotate under rotor structure's drive, thereby make a plurality of first fan blades on locating the outside wall of first fan blade support disturb the air, produce the air current, realize air supply arrangement's air supply operation.

Further, the fan blade further includes: and the second fan blade support is coaxially arranged with the first fan blade support, and the second fan blade support is sleeved outside the first fan blade.

In the technical scheme, the second fan blade support which is coaxial with the first fan blade support is arranged outside the first fan blade, so that the first fan blade can be fixed through the first fan blade support on the inner side and the second fan blade support on the outer side at the same time, and the stability and the service life of the fan blade during rotation are favorably improved.

Further, the fan blade further includes: and the second fan blades are arranged on the outer side wall surface of the fan blades along the circumferential direction of the fan blades.

In the technical scheme, the plurality of second fan blades are arranged on the outer side wall surface of the fan blade along the circumferential direction, so that the fan blade can form an inner circle of fan blades and an outer circle of fan blades, and the airflow is increased. It should be noted that the first fan blade and the second fan blade may be the same type of fan blade, or may be different types of fan blades, for example, the first fan blade and the second fan blade have different shapes, or different sizes, or different inclination angles. In addition, through locating a plurality of first fan blades and a plurality of second fan blade of inside and outside two rings of flabellum, still be favorable to the diffusion motion to the air current that the flabellum was seen off for the air current is softer, is favorable to improving air supply device's air supply comfort level.

In the technical scheme, the rotor structure is arranged on the end surface of the inner side of the first fan blade support; and/or the rotor structure is arranged on the end surface of the inner side of the second fan blade support.

In the technical scheme, the fan blade structure comprises a first fan blade support and a second fan blade support which are coaxially arranged, the first fan blade support is arranged on the inner side of the second fan blade support, namely the fan blade is annular at the moment, the rotor structure can be arranged on the end surface of the inner side wall of the first fan blade support, the distance between the rotor structure and the stator structure can be reduced, the distance between the rotor structure and the stator structure is relatively short, the rotor structure rotates along the circumferential direction, the linear displacement of the rotor structure is small, and the rotation speed is higher under the action of magnetic force with the same size; the magnetic force effect is enhanced, and the driving force is increased; the rotor structure can also be arranged on the end face of the inner side wall of the second fan blade support, and the distance from the rotor structure to the circumferential direction of rotation is relatively far, so that the force arm of the stressed fan blades can be prolonged, and the rotation efficiency can be improved. Of course, the rotor structures can be arranged on the end face of the inner side wall of the first fan blade support and the end face of the inner side wall of the second fan blade support at the same time, so that the driving force of the stator structure to the rotor structure is further increased through the plurality of rotor structures, and the rotating speed is increased at the same time.

It can be understood that the radial direction and the axial direction of the fan blades are provided with a plurality of groups of rotor structures and stator structures, so that the driving force to the fan blades can be effectively enhanced, and the rotation efficiency can be improved.

In the above technical solution, the air supply device further includes: can dismantle first fan housing and the second fan housing of connection, but the second fan housing is connected the back with first fan housing inside and is formed the holding cavity that can hold rotor structure at least, and wherein, stator structure locates and holds in the cavity, and/or stator structure locates outside holding the cavity, all is equipped with the wind hole that corresponds with the wind passageway on first fan housing and the second fan housing.

In the technical scheme, the air supply device further comprises a first air cover and a second air cover, the first air cover and the second air cover are detachably connected and then internally form an accommodating cavity, the rotor structure is accommodated in the accommodating cavity along with the fan blades, and the stator structure can be correspondingly arranged at a plurality of positions; when the stator structure is arranged outside the accommodating cavity, the occupied space is favorably reduced, and the stator structure is convenient to disassemble and assemble; when the stator structure comprises a plurality of stator cores, the stator cores can be arranged in the accommodating cavity and outside the accommodating cavity at the same time. The air passing holes corresponding to the air passing channels are formed in the first air cover and the second air cover, so that when the fan blade assembly is contained in the containing cavity, the air passing channels are not blocked, and air can flow to the other end from one end of the air supply device through the air passing channels. In addition, the fan blades can be detached through the first fan cover and the second fan cover, so that the fan blades can be maintained or cleaned conveniently.

In the above technical solution, the supporting structure of the air supply device is disposed on a side of the first fan housing facing the second fan housing.

In this technical scheme, through locating first fan housing one side towards the second fan housing with bearing structure, bearing structure locates on first fan housing promptly, and bearing structure is in the accommodation space after first fan housing is connected with the second fan housing, supports the flabellum that is equipped with rotor structure through bearing structure to prevent that the flabellum from taking place the skew in the rotation process.

In the above technical solution, the first fan housing and/or the second fan housing are provided with a ventilation grille.

In the technical scheme, the ventilation grids are arranged on the first fan housing and/or the second fan housing, so that when the fan blades rotate, airflow flows through the ventilation grids on the first fan housing and/or the second fan housing, and the air supply operation of the air supply device is realized. Specifically, the ventilation grille may be disposed along an axial direction of the fan blade, or may be disposed along both the axial direction and a radial direction of the fan blade.

In the above technical scheme, the air supply device further comprises a base, the stator structure is arranged on the base, and the base is detachably connected with the fan blade assembly.

In the technical scheme, the base detachably connected with the fan blade assembly is arranged, so that the air supply device is convenient to use, and the fan blades are convenient to clean and maintain; and the stator structure is arranged on the base, namely the stator structure can be independently detached from the rotor structure, and the stator structure and the rotor structure are convenient to clean and maintain respectively. It can be understood that the stator and the rotor of the common fan motor are usually installed as a whole, which cannot clean the inside, and the impurities such as dust attached to the inside easily affect the normal operation of the fan motor.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural view of an air supply apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of an air supply apparatus according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of an air supply apparatus according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of an air supply apparatus according to an embodiment of the present invention;

fig. 5 shows a schematic structural view of a stator core according to an embodiment of the present invention;

fig. 6 shows a schematic structural view of a stator core according to an embodiment of the present invention;

FIG. 7 is a schematic structural view of an air supply apparatus according to an embodiment of the present invention;

fig. 8 shows a schematic structural view of a stator core according to an embodiment of the present invention;

FIG. 9 is a schematic structural view of an air supply apparatus according to an embodiment of the present invention;

FIG. 10 is a schematic structural view of an air supply apparatus according to an embodiment of the present invention;

FIG. 11 is a schematic structural view of an air supply apparatus according to an embodiment of the present invention;

FIG. 12 is a schematic structural view of an air supply device according to an embodiment of the present invention;

FIG. 13 is a schematic structural view of an air supply apparatus according to an embodiment of the present invention;

FIG. 14 is a schematic structural diagram of a fan blade according to an embodiment of the invention;

FIG. 15a is a schematic view showing the flow lines of an air supply apparatus without an air passage;

FIG. 15b shows a streamline schematic view of an air supply arrangement according to an embodiment of the invention.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 15 is:

the fan comprises a motor 1, a rotor 12, a magnetic 122, a stator 14, a stator core 142, stator teeth 144, stator tooth shoes 1442, a support structure 16, an air supply device 2, an air passing channel 21, fan blades 22, a receiving groove 222, a first fan housing 24, a second fan housing 26, a ventilation grille 28, a base 32, a first fan blade support 34, a first fan blade 342, a second fan blade support 36 and a second fan blade 362.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

The invention provides an embodiment of an air supply device 2, wherein the air supply device 2 comprises a motor 1 which is formed by combining a stator structure 14 and a rotor structure 12 to form an eccentric center, and fan blades 22 which are directly contacted with the rotor structure 12, wherein the rotor structure 12 comprises a plurality of magnetic parts 122 which form a closed graph, the stator structure 14 is arranged at one or more positions of the inner side, the outer side, the inner end and the outer end of an annular structure formed by the plurality of magnetic parts 122, when the current direction of a stator winding which is wound on a stator tooth 144 in the stator structure 14 is controlled, magnetic fields with different polarities can be generated, at the moment, the rotor structure 12 can be driven through at least two stator windings with different polarities, and the rotor structure 12 drives a load to rotate.

Optionally, the plurality of magnetic members 122 surround to form a ring, and further optionally, gaps exist among the plurality of magnetic members 122 to form an interrupted ring.

The eccentric motor 1 means that the stator structure 14 is located at one side or one end of the rotor structure 12, and may be at one end in the axial direction or one end in the radial direction, so that the stator structure 14 forms a discontinuous magnetic field.

It will be appreciated that the fan 22 is only one representation of a load, and that the load may also vary when the motor 1 is used in different products, for example, when applied to a drum washing machine, the load may be a drum inside the washing machine, and when applied to a wall breaking machine or a juice extractor, the load may be a blade. In addition, the load may also be a rotating component in a desk fan, ceiling fan, wall fan, tower fan, cooling fan, warm air blower, or range hood.

An air supply arrangement according to some embodiments of the present invention is described below with reference to fig. 1-15.

Example one

An embodiment of the present application provides an air supply device 2, as shown in fig. 1, the air supply device 2 includes an electric motor 1 formed by combining a stator structure 14 and a rotor structure 12 to form an eccentric center, and a fan blade 22 directly contacting with the rotor structure 12, the rotor structure 12 includes a plurality of magnetic members 122 forming a closed figure, the stator structure 14 is disposed in an annular structure formed by the plurality of magnetic members 122 and is correspondingly disposed, so as to generate magnetic fields with different polarities when controlling a current direction of a stator winding wound on a stator tooth 144 in the stator structure 14, at this time, through at least two stator windings with different polarities, the rotor structure 12 can be driven, so that the rotor structure 12 drives a load to rotate. Air supply arrangement 2 still includes first fan housing 24 and the second fan housing 26 of connection of dismantling, and second fan housing 26 is connected the inside cavity that holds that forms of back with first fan housing 24, and rotor structure 12 and stator structure 14 are located and are held in the cavity, and of course, stator structure 14 also can be located outside holding the cavity correspondingly, or a plurality of stator core 142 of stator structure 14 locate simultaneously and hold in the cavity or outside.

Further, as shown in fig. 2, the supporting structure 16 is disposed on a side of the first wind shield 24 facing the second wind shield 26, so that when the first wind shield 24 is connected to the second wind shield 26, the supporting structure 16 is disposed in the accommodating cavity.

Further, as shown in fig. 3, the first wind cover 24 and the second wind cover 26 are both provided with ventilation grilles 28, and the ventilation grilles 28 extend outward in the radial direction to the side of the first wind cover 24 and the side of the second wind cover 26, respectively.

The supporting structure 16 is a hollow shaft, the fan blades 22 are sleeved on the supporting structure 16, the hollow part of the supporting structure 16 forms an air passing channel 21, air can flow from one end of the fan blades 22 to the other end through the air passing channel 21, the air passing channel of the supporting structure 16 is arranged along the axial direction of the fan blades and is in a straight cylinder shape, and the axis of the air passing channel coincides with the axis of the fan blades.

Example two

An embodiment of the present application provides an air supply device 2, air supply device 2 includes motor 1 that forms the eccentricity by stator structure 14 and rotor structure 12 combination, and the flabellum 22 that directly contacts with rotor structure 12, wherein, rotor structure 12 includes a plurality of magnetic part 122 that form the closed figure, stator structure 14 locates the annular structure that a plurality of magnetic parts 122 formed and corresponds the setting, in order when controlling the current direction of the stator winding of locating on stator tooth 144 in stator structure 14, can produce the magnetic field of different polarity, through the different stator winding of at least two polarity this moment, can realize the drive to rotor structure 12, make rotor structure 12 drive the load and realize rotating. The air supply device 2 further includes a first fan housing 24 and a second fan housing 26 that are detachably connected, the second fan housing 26 is connected with the first fan housing 24 and then internally forms a containing cavity, and the rotor structure 12 and the stator structure 14 are disposed in the containing cavity.

Wherein, bearing structure 16 is the hollow shaft form, and on bearing structure 16 was located to flabellum 22 cover, bearing structure 16's hollow part formed a plurality of straight cylindric wind passageway 21 of crossing, and a plurality of wind passageway 21 of crossing is the expansion form by the air inlet side of flabellum to the air-out side, and every wind passageway of crossing is the same with the contained angle between the axis of rotation of flabellum, is 0 ~ 30, optionally, and the contained angle is 20.

EXAMPLE III

The supporting structure 16 is a hollow shaft, the fan blades 22 are sleeved on the supporting structure 16, one or more spiral air passing channels 21 are formed in the hollow part of the supporting structure 16, and the air passing channels rotate around the axis of the fan blades.

Example four

Another embodiment of the present application provides an air supply device 2, as shown in fig. 4, the air supply device 2 includes an eccentric motor 1 formed by combining a stator structure 14 and a rotor structure 12, and a supporting structure 16 directly contacting with the rotor structure 12, a fan blade is sleeved in the supporting structure 16, and a hollow structure is arranged in the fan blade 22 to form an air passage, wherein the rotor structure 12 includes a plurality of magnetic members 122 forming a closed pattern, the stator structure 14 is arranged in an annular structure formed by the plurality of magnetic members 122 and is correspondingly arranged, so that when the current direction of a stator winding arranged on a stator tooth 144 in the stator structure 14 is controlled, magnetic fields with different polarities can be generated, at this time, the rotor structure 12 can be driven by at least two stator windings with different polarities, so that the rotor structure 12 drives a load to rotate. The air supply device 2 further includes a first fan housing 24 and a second fan housing 26 that are detachably connected, the second fan housing 26 is connected with the first fan housing 24 and then internally forms a containing cavity, and the rotor structure 12 and the stator structure 14 are disposed in the containing cavity.

The air passage of the fan 22 is arranged along the axial direction of the fan, and the air passage is in a straight cylinder shape, and the axis of the air passage coincides with the axis of the fan.

EXAMPLE five

Another embodiment of the present application provides an air supply device 2, the air supply device 2 includes a motor 1 formed by combining a stator structure 14 and a rotor structure 12 to be eccentric, and a support structure directly contacting with the rotor structure 12, the fan blade is sleeved in the support structure 16, and a hollow structure is arranged in the fan blade 22 to form an air passage, wherein the rotor structure 12 includes a plurality of magnetic members 122 forming a closed pattern, the stator structure 14 is arranged in an annular structure formed by the plurality of magnetic members 122 and is correspondingly arranged, so that when the current direction of a stator winding arranged on the stator teeth 144 in the stator structure 14 is controlled, magnetic fields with different polarities can be generated, at this time, through at least two stator windings with different polarities, the drive of the rotor structure 12 can be realized, and the rotor structure 12 drives a load to realize rotation. The air supply device 2 further includes a first fan housing 24 and a second fan housing 26 that are detachably connected, the second fan housing 26 is connected with the first fan housing 24 and then internally forms a containing cavity, and the rotor structure 12 and the stator structure 14 are disposed in the containing cavity.

The fan blade 22 includes a plurality of straight cylindrical air passing channels 21, the air passing channels 21 are expanded from the air inlet side to the air outlet side of the fan blade, and the included angle between each air passing channel and the rotation axis of the fan blade is the same and is 0-30 degrees, and optionally, the included angle is 20 degrees.

EXAMPLE six

Another embodiment of the present application provides an air supply device 2, the air supply device 2 includes an eccentric motor 1 formed by combining a stator structure 14 and a rotor structure 12, and a supporting structure 16 directly contacting with the rotor structure 12, a fan blade 22 is sleeved in the supporting structure 16, and a hollow structure is arranged in the fan blade 22 to form an air passage, wherein the rotor structure 12 includes a plurality of magnetic members 122 forming a closed pattern, the stator structure 14 is arranged in an annular structure formed by the plurality of magnetic members 122 and is correspondingly arranged, so that when the current direction of a stator winding arranged on a stator tooth 144 in the stator structure 14 is controlled, magnetic fields with different polarities can be generated, at this time, through at least two stator windings with different polarities, the drive of the rotor structure 12 can be realized, and the rotor structure 12 drives a load to realize rotation. The air supply device 2 further includes a first fan housing 24 and a second fan housing 26 that are detachably connected, the second fan housing 26 is connected with the first fan housing 24 and then internally forms a containing cavity, and the rotor structure 12 and the stator structure 14 are disposed in the containing cavity.

The hollow part of the fan blade 22 forms one or more spiral air passing channels 21, and the air passing channels rotate around the axis of the fan blade.

EXAMPLE seven

The motor 1 in any of the above-described embodiments of air-moving devices may include a rotor structure 12 and a stator structure 14 that are removably coupled. Wherein, rotor structure 12 is the ring shape, stator structure 14 locate one side of rotor structure 12 and with rotor structure 12 between have the clearance, stator structure 14 includes at least one stator core 142 that sets up along rotor structure 12 circumference to form drive power to rotor structure 12 through stator core 142, and then drive rotor structure 12 and rotate. The motor 1 is provided with a driving area, the driving area comprises a stator core 142 and a part of the rotor structure 12 opposite to the stator structure 14, so that the stator structure 14 and the rotor structure 12 in the driving area interact with each other to generate a driving force for driving the rotor structure 12 to rotate; in the driving area, the position of the stator structure 14 is kept fixed, the portion of the rotor structure 12 opposite to the stator structure 14 changes along with the rotation of the rotor structure 12, but the portion of the rotor structure 12 opposite to the stator structure 14 in the driving area is under the same driving force, and the rotor structure 12 is driven to continuously rotate along the same direction.

Further, as shown in fig. 5, the stator structure 14 includes three stator teeth 144, wherein the sides of the stator teeth 144 facing the rotor structure 12 on two sides are arc-shaped surfaces, the curvature of the arc-shaped surfaces is the same as the curvature of the rotor structure 12, and the sides of the stator teeth 144 facing the rotor structure 12 in the middle are flat surfaces.

Further, as shown in fig. 6, the stator structure 14 includes three stator teeth 144, and a side of each stator tooth 144 facing the rotor structure 12 is a circular arc surface, and a curvature of the circular arc surface is the same as a curvature of the rotor structure 12.

Optionally, the maximum gap h between the rotor structure 12 and the stator structure 14 is not greater than 4 mm.

Further, the gap between the rotor structure 12 and the stator structure 14 is 1mm, 2mm, 3mm, 4 mm.

Example eight

The motor 1 in any one of the above air supply devices includes a rotor structure 12 and a stator structure 14 that are detachably connected, where the rotor structure 12 is in a circular ring shape, the stator structure 14 is located on one side of the rotor structure 12 and has a gap with the rotor structure 12, and the stator structure 14 includes at least one stator core 142 that is circumferentially arranged along the rotor structure 12, so as to form a driving force for the rotor structure 12 through the stator core 142, and further drive the rotor structure 12 to rotate. As shown in fig. 1, the stator structure 14 includes a stator core 142 having three stator teeth 144, and the stator teeth 144 are provided with windings, the two adjacent stator windings have different polarities, and the stator structure 14 generates a magnetic field to drive the rotor structure 12 to rotate by simultaneously energizing the two adjacent stator windings, specifically, the first stator winding and the second stator winding are energized first, so that the first stator winding generates an N-pole magnetic field to attract the S-pole of the magnetic member 122 in the rotor structure 12, the second stator winding generates an S-pole magnetic field to attract the N-pole of the magnetic member 122 in the rotor structure 12, so as to form an acting force in a tangential direction on the whole rotor structure 12, and after the rotor structure 12 rotates for a distance under the acting force, the second stator winding and the third stator winding are energized, so that the second stator winding generates an N-pole magnetic field to repel the N-pole of the magnetic member 122, the third stator winding generates an S-pole magnetic field to repel the S-pole of the magnetic member 122, so that the rotor assembly continues to rotate, and the rotation is repeated to continuously rotate the rotor assembly. Furthermore, by changing the sequence of energization of the three stator windings, a reverse rotation of the rotor structure 12 is also achieved.

Further, the end surfaces of the stator tooth shoes 1442 of the three stator teeth 144 are all arc surfaces, and the distance from the end surface of each stator tooth shoe 1442 to the rotor structure 12 is equal.

Further, as shown in fig. 7, the number of the stator cores 142 is plural, and the plural stator cores 142 are uniformly arranged along the circumferential direction of the rotor structure 12.

As shown in fig. 8, the stator structure 14 includes a stator core 142 provided with two stator teeth 144, and stator windings are provided on the stator teeth 144, and the polarities of the adjacent two stator windings are different. Further, the electrical machine 1 also comprises a magnetic sensor to detect the direction of rotation of the rotor structure 12 relative to the stator structure 14. It should be noted that the number of the stator teeth 144 on the stator core 142 is not limited by the embodiment, and only one stator tooth 144 may be provided on each stator core 142, and the two stator teeth 144 are respectively provided on the two stator cores 142.

When the stator structure 14 includes two stator teeth 144, the rotor structure can be driven by respectively or simultaneously energizing the windings on the two stator teeth 144, specifically, when the windings are respectively energized, the N pole is first energized by the first stator winding to attract the magnetic member of the S pole on the rotor structure to move towards the first stator winding, at this time, the polarity of the magnetic member corresponding to the second stator winding is the N pole, then, the N pole is energized by the second stator winding to drive the rotor to rotate by the repulsive force, and the two stator windings are sequentially energized to realize rotation; when the two stator windings are electrified simultaneously, the magnetic poles of the two stator windings after being electrified are opposite, for example, the magnetic poles of the two stator windings are electrified for the first time and are respectively N-S, and when the rotor rotates to the corresponding position, the magnetic poles of the stator windings are adjusted to be S-N, so that repulsion force is generated on the current rotor to form rotation.

Further, as shown in fig. 9, the number of the stator cores 142 is plural, and the plural stator cores 142 are uniformly arranged along the circumferential direction of the rotor structure 12.

Example nine

The motor 1 in any of the above embodiments of the air supply device includes a rotor structure 12 and a stator structure 14, and the rotor structure 12 is detachably connected to the rotor structure 12. Wherein, rotor structure 12 is the ring shape, stator structure 14 locate one side of rotor structure 12 and with rotor structure 12 between have the clearance, stator structure 14 includes at least one stator core 142 that sets up along rotor structure 12 circumference to form drive power to rotor structure 12 through stator core 142, and then drive rotor structure 12 and rotate.

As shown in fig. 1, the rotor structure 12 includes a plurality of magnetic members 122, and the stator structure 14 is disposed corresponding to the magnetic members 122. Wherein the plurality of magnetic members 122 are continuously arranged in the circumferential direction.

Further, the magnetic member 122 is a magnetic sheet, and a plurality of magnetic sheets form a ring structure, and each magnetic sheet is disposed in the receiving groove 222 on the side surface or the end surface of the fan blade.

As shown in fig. 10, the plurality of magnetic members 122 are uniformly arranged in the circumferential direction, and a circumferential gap exists between any two adjacent magnetic members 122.

Example ten

As shown in fig. 1, the rotor structure 12 of the motor in any of the above-mentioned embodiments of the blower device includes a plurality of magnetic members 122 disposed on the outer wall surface of the fan blade 22, and the stator structure 14 is disposed outside the annular structure formed by the plurality of magnetic members 122.

EXAMPLE eleven

In any of the embodiments of the blower apparatus described above, the rotor structure 12 of the motor includes a plurality of magnetic members 122 disposed on the outer wall surface of the fan blade 22, and the stator structure 14 is disposed inside an annular structure formed by the plurality of magnetic members 122.

Example twelve

As shown in fig. 11, the rotor structure 12 of the motor in any of the above-mentioned embodiments of the air blowing device includes a plurality of magnetic members 122 disposed on the inner side wall surface of the fan blade 22, and the stator structure 14 is disposed inside the annular structure formed by the plurality of magnetic members 122.

EXAMPLE thirteen

In any of the embodiments of the air blowing device, the rotor structure 12 of the motor includes a plurality of magnetic members 122 disposed on the inner sidewall of the fan blade 22, and the stator structure 14 is disposed outside the annular structure formed by the plurality of magnetic members 122.

Example fourteen

As shown in fig. 12, the rotor structure 12 of the motor in any of the above embodiments of the air supply device includes a plurality of magnetic members 122 disposed on the air inlet side and/or the air outlet side of the fan blades 22, and the stator structure 14 is disposed outside the annular structure formed by the plurality of magnetic members 122.

Example fifteen

The rotor structure 12 of the motor in any of the embodiments of the air supply device includes a plurality of magnetic members 122 disposed on the air inlet side and/or the air outlet side of the fan blade 22, and the stator structure 14 is disposed inside an annular structure formed by the plurality of magnetic members 122.

Further, rotor structure and stator structure all locate the inside of flabellum subassembly.

Example sixteen

As shown in fig. 13, an air supply device 2 includes an eccentric motor 1 formed by combining a stator structure 14 and a rotor structure 12, and a fan blade 22 directly contacting with the rotor structure 12, wherein the rotor structure 12 includes a plurality of magnetic members 122 forming a closed pattern, the stator structure 14 is disposed in an annular structure formed by the plurality of magnetic members 122 and is disposed correspondingly, so that when the current direction of a stator winding wound on a stator tooth 144 in the stator structure 14 is controlled, magnetic fields with different polarities can be generated, and at this time, the rotor structure 12 can be driven by at least two stator windings with different polarities, so that the rotor structure 12 drives a load to rotate. The air supply device 2 further comprises a base 32, the base 32 is detachably connected with the fan blades 22, the stator structure 14 is arranged on the base 32, and the stator structure 14 can be separated from the rotor structure 12 along with the base 32.

On the basis of any of the above embodiments, optionally, the motor 1 further includes a housing, and the supporting structure is specifically a supporting shaft disposed on the housing, and is rotatably disposed on the supporting shaft through the rotor structure, so that the rotor structure rotates around the supporting shaft to prevent the rotor structure from radial displacement; and fix the stator structure on locating the casing to make the relative distance between rotor structure and the stator structure keep unchangeable, in order to prevent that the stator structure from receiving the reaction force of rotor structure and taking place the displacement, in order to avoid influencing rotor structure pivoted stability.

In addition, the rotor structure can rotate clockwise or anticlockwise for the stator structure, can realize the rotation of two positive and negative directions according to the rotation needs of load, can satisfy different load demands, and the flexibility is high.

In any of the above embodiments, as shown in fig. 14, the fan blade 22 includes the first fan blade support 34 and the first fan blade 342 disposed on the outer sidewall of the first fan blade support 34. When the air passage is formed in the fan blade 22, the air passage is formed on the radial inner side of the first fan blade support 34, and when the air passage is formed on the support structure, the support structure is arranged in the first fan blade support 34.

As shown in fig. 14, in order to improve the use safety of the product, a second blade support 36 coaxial with the first blade support 34 is sleeved outside the first blade 342.

As shown in fig. 11, in order to further increase the air volume, a second fan 362 is further disposed on the second fan bracket 36.

As is apparent from comparison between fig. 15a and fig. 15b, in the air supply device 2 according to the embodiment of the present disclosure, the air passing channel is provided, so that the effect of the supplementary air flow to the entire flow area is significant, when the air diffuser without the air passing channel in fig. 15a rotates, the center of the air flow is blocked by the motor, the subsequent air flow at a certain distance may swirl, although the subsequent air flow may be supplemented by the pressure effect after flowing to a certain area, the uneven overall pressure field may cause the subsequent air flow to be relatively turbulent, and the subsequent air flow is easily unevenly biased to one side, and the center of the air supply device in fig. 15b may supplement the air flow, so that the entire flow field is more uniform and stable.

The technical scheme of the invention is described in detail in the above with reference to the attached drawings, the eccentric arrangement between the driving device and the fan blades can be realized, the overall space occupation can be reduced, the arrangement positions of the rotor structure and the stator structure can be changed according to the specific structure of the air supply device, the light weight can be realized, the application range is wide, in addition, the wind tunnel can be arranged to compensate the wind through the wind passing channel, the air outlet flow of the air supply device is increased, and the stability of the air outlet flow can be kept.

In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An air supply device, comprising:

the fan blade assembly is provided with an air passing channel on the inner side in the radial direction, so that air can flow from one end of the fan blade assembly to the other end through the air passing channel;

a rotor structure directly connected to the fan blade assembly;

stator structure, with rotor structure can dismantle the connection, stator structure includes that at least one is located the stator core of rotor structure one side is used for the drive rotor structure rotates to drive the flabellum subassembly rotates.

2. The air supply arrangement of claim 1, wherein the fan blade assembly comprises: the fan blade assembly comprises a supporting structure and fan blades which are rotatably arranged on the inner side or the outer side of the supporting structure.

3. The air supply device according to claim 2, wherein the air passage is provided in an axial direction of the fan blade.

4. The air supply arrangement as recited in claim 3, wherein an axis of rotation of the fan blade passes through the air passage.

5. The blower according to claim 4, wherein the air passage is cylindrical and is coaxial with the fan blades.

6. The blower device of claim 2, wherein the air passage is at a predetermined angle with respect to an axis of rotation of the fan blades.

7. The air supply device according to claim 2, wherein the air passage has a spiral shape.

8. The air supply device according to any one of claims 1 to 7, wherein an inner diameter of the air passage is constant in an axial direction of the fan blade assembly.

9. The air supply arrangement of claim 1, further comprising a drive zone, the drive zone including at least one of the stator cores and a portion of the rotor structure directly opposite the stator structure.

10. The air supply arrangement of claim 1, wherein the stator structure has a first curved surface facing the rotor structure, the first curved surface is arcuate, the rotor structure is circular, and at least a portion of the first curved surface has a curvature that is the same as a curvature of the rotor structure.

11. The air supply arrangement of claim 10, wherein the first curved surface is arcuate, the rotor structure is circular, and the first curved surface has a curvature that is the same as a curvature of the rotor structure.

12. The air supply arrangement of claim 1, wherein the maximum distance of the rotor structure from the stator structure is less than 4 mm.

13. The air supply arrangement of claim 1, wherein the stator structure includes at least two stator teeth disposed on at least one of the stator cores and facing the rotor structure.

14. The air supply arrangement of claim 13,

the number of the stator teeth is at least two, and the stator windings on any two stator teeth are sequentially electrified and have the same polarity; or

The number of the stator teeth is at least two, the stator windings on any two of the stator teeth are electrified at the same time and have different polarities, and the magnetic poles of the stator windings on any two of the stator teeth are alternated.

15. The air supply arrangement according to claim 14, wherein the stator structure includes a stator core having three stator teeth, and end faces of stator tooth shoes of the three stator teeth are all equidistant from the rotor structure.

16. The air supply arrangement of claim 14,

the number of the stator teeth is at least three, and the stator windings on any two stator teeth are sequentially electrified and have the same polarity; or

The number of the stator teeth is at least three, the stator windings on any two of the stator teeth are electrified at the same time and have different polarities, and the magnetic poles of the stator windings on any two of the stator teeth are alternated.

17. The air supply arrangement of claim 14, further comprising a magnetic determination device disposed circumferentially of the rotor structure for capturing a direction of rotation of the rotor structure relative to the stator structure.

18. The air supply device according to claim 16 or 17, wherein the number of the stator cores is plural, at least one of the stator teeth is provided on each of the stator cores, and the plural stator cores are provided along a circumferential direction of the rotor structure.

19. The air supply arrangement of claim 2, wherein the rotor structure includes at least one magnetic element.

20. The blowing device of claim 19, wherein a plurality of receiving slots are provided on a side surface or an end surface of the fan blade, and the magnetic member is correspondingly disposed in the receiving slots.

21. The blowing device of claim 19, wherein the magnetic member is a magnetic sheet, and the plurality of magnetic sheets are uniformly provided on the side surfaces or end surfaces of the fan blades.

22. The air supply device according to claim 19, wherein the magnetic members are arranged continuously in a circumferential direction.

23. The air supply device of claim 19, wherein the magnetic members are circumferentially uniformly arranged, and a circumferential gap exists between any two adjacent magnetic members.

24. The air supply arrangement of claim 19, wherein the magnetic member is of unitary construction.

25. The device according to any one of claims 2 to 7, 9 to 17, and 19 to 24, wherein the rotor structure is provided on an outer wall surface of the fan blade, and the stator is provided outside the fan blade.

26. The device according to any one of claims 2 to 7, 9 to 17, and 19 to 24, wherein the rotor structure is provided on an outer wall surface of the fan blade, and the stator is provided in the fan blade.

27. The device according to any one of claims 2 to 7, 9 to 17, or 19 to 24, wherein the fan blades are annular, the rotor structure is provided on an outer side wall surface of an outer ring of the fan blades, and the stator is provided between the outer ring and an inner ring of the fan blades.

28. The device according to any one of claims 2 to 7, 9 to 17, or 19 to 24, wherein the fan blades are annular, the rotor structure is provided on an outer side wall surface of an outer ring of the fan blades, and the stator is provided inside an inner ring of the fan blades.

29. The device according to any one of claims 2 to 7, 9 to 17, or 19 to 24, wherein the rotor structure is disposed on an inner sidewall surface of the fan blade, and the stator is disposed outside the fan blade.

30. The device according to any one of claims 2 to 7, 9 to 17, or 19 to 24, wherein the fan blades are annular, the rotor structure is disposed on an inner sidewall of an outer ring of the fan blades, and the stator is disposed outside the fan blades.

31. The device according to any one of claims 2 to 7, 9 to 17, or 19 to 24, wherein the fan blades are annular, the rotor structure is disposed on an inner sidewall of an inner ring of the fan blades, and the stator is disposed outside the fan blades.

32. The device according to any one of claims 2 to 7, 9 to 17, or 19 to 24, wherein the rotor structure is provided on an inner sidewall surface of the fan blade, and the stator is provided in the fan blade.

33. The device according to any one of claims 2 to 7, 9 to 17, or 19 to 24, wherein the fan blades are annular, the rotor structure is disposed on an inner sidewall surface of an outer ring of the fan blades, and the stator is disposed between the outer ring and an inner ring of the fan blades.

34. The device according to any one of claims 2 to 7, 9 to 17, or 19 to 24, wherein the fan blades are annular, the rotor structure is disposed on an inner sidewall surface of an outer ring of the fan blades, and the stator is disposed inside an inner ring of the fan blades.

35. The device according to any one of claims 2 to 7, 9 to 17, or 19 to 24, wherein the fan blades are annular, the rotor structure is disposed on an inner sidewall surface of an inner ring of the fan blades, and the stator is disposed between an outer ring and an inner ring of the fan blades.

36. The air supply arrangement according to any one of claims 2 to 7 or 9 to 17 or 19 to 24, wherein the fan blades comprise:

the fan comprises a first fan blade support and a plurality of first fan blades, wherein the first fan blades are arranged on the outer side wall surface of the first fan blade support along the circumferential direction of the fan blades.

37. The air supply arrangement of claim 36, wherein the fan blades further comprise:

the second fan blade support is coaxially arranged with the first fan blade support, and the second fan blade support is sleeved outside the first fan blade.

38. The air supply arrangement of claim 37, wherein the fan blades further comprise:

and the second fan blades are arranged on the outer side wall surface of the fan blades along the circumferential direction of the fan blades.

39. The air supply arrangement of claim 38, wherein the rotor structure is provided on an end surface of an inner side of the first fan blade support; and/or the rotor structure is arranged on the end surface of the outer side of the second fan blade support.

40. The air supply arrangement according to any one of claims 1 to 7, 9 to 17, or 19 to 24, further comprising:

the second fan housing is connected with the first fan housing and then internally forms a containing cavity at least containing the rotor structure,

the stator structure is arranged in the accommodating cavity, and/or the stator structure is arranged outside the accommodating cavity, and the first wind cover and the second wind cover are both provided with air passing holes corresponding to the air passing channels.

41. The air supply device according to claim 40, wherein the support structure of the air supply device is provided on a side of the first hood facing the second hood.

42. The air supply device according to claim 41, wherein a ventilation grille is provided on the first fan housing and/or the second fan housing.

43. The air supply arrangement according to any one of claims 1 to 7, 9 to 17, or 19 to 24, further comprising:

the base, stator structure locates on the base, just the base with fan blade component can dismantle the connection.