Disclosure of Invention
The invention mainly aims to provide an ultrahigh rotating speed wind motor, which aims to reduce the sound generated when the motor is started and ensure that the installation is more stable and reliable.
In order to achieve the purpose, the invention provides an ultrahigh rotating speed wind motor, which comprises an air duct shell, a fan blade, a motor stator, a motor rotating shaft, a rear end cover and a PCB, wherein the fan blade and the motor stator are arranged in the air duct shell, the fan blade, the motor stator, the motor rotating shaft, the rear end cover and the PCB are coaxially arranged, the motor rotating shaft is connected with the fan blade, a plurality of arc-shaped radial positioning plates for fixing the motor stator are arranged in the air duct shell, the plurality of arc-shaped radial positioning plates surround the periphery of the motor stator, one end of the rear end cover is axially connected with the motor stator and/or the air duct shell, the other end of the rear end cover is connected with the PCB, and the plurality of arc-shaped radial positioning plates and the rear end cover surround to form an installation structure for installing.
The further technical scheme of the invention is that the rear end cover is made of plastic or metal material.
The further technical scheme of the invention is that the inner wall of the air duct shell is connected with a plurality of stator fixing pieces, and the motor stator is axially connected with the stator fixing pieces through screws.
According to a further technical scheme, the plurality of stator fixing pieces, the plurality of arc-shaped radial positioning plates and the air duct shell are integrally formed.
According to a further technical scheme, the wind driven generator further comprises a first bearing, a first shaft sleeve, a second bearing and a second shaft sleeve which are arranged on the motor rotating shaft, the bearings penetrate through the first bearing and the second bearing to be connected with the fan blade, a first wave gasket is arranged between the first bearing and the fan blade, and a second wave gasket is arranged between the second bearing and the rear end cover.
The further technical scheme of the invention is that a plurality of air deflectors are uniformly arranged in the air duct shell.
The further technical scheme of the invention is that the number of the air deflectors is 7 or 9.
The invention further adopts the technical scheme that the fan blade is in an Archimedes spiral curved surface.
The further technical scheme of the invention is that the motor stator is integrally formed by adopting iron core in-mold injection molding.
The further technical scheme of the invention is that the rotating speed of the motor is 5-15 ten thousand revolutions per minute.
The ultrahigh rotating speed wind motor has the beneficial effects that: the invention adopts the technical scheme that the wind channel type motor comprises a wind channel shell, a wind blade, a motor stator, a motor rotating shaft, a rear end cover and a PCB, wherein the wind blade and the motor stator are arranged in the wind channel shell, the wind blade, the motor stator, the motor rotating shaft, the rear end cover and the PCB are coaxially arranged, the motor rotating shaft is connected with the wind blade, a plurality of arc-shaped radial positioning plates for fixing the motor stator are arranged in the wind channel shell, the plurality of arc-shaped radial positioning plates surround the periphery of the motor stator, one end of the rear end cover is axially connected with the motor stator and/or the wind channel shell, the other end of the rear end cover is connected with the PCB, the plurality of arc-shaped radial positioning plates and the rear end cover surround and construct an installation structure for installing the motor stator, and compared with the prior art, and make the installation more reliable and more stable.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 to 2, the present invention provides an ultra-high speed wind motor, in which a preferred embodiment of the ultra-high speed wind motor includes an air duct casing 10, a fan blade 20, a motor stator 30, a motor rotor 40, a motor rotating shaft 50, a rear end cover 60, and a PCB 70, the fan blade 20 and the motor stator 30 are installed in the air duct casing 10, and the fan blade 20, the motor stator 30, the motor rotor 40, the motor rotating shaft 50, the rear end cover 60, and the PCB 70 are coaxially disposed. The motor stator 30 may be formed by molding an iron core in a mold.
The fan blades 20, the motor stator 30, the motor rotor 40, the motor rotating shaft 50, the rear end cover 60 and the PCB 70 are coaxially arranged, so that shaking generated when the motor is started can be effectively avoided, and starting noise is reduced.
The motor rotating shaft 50 is connected with the fan blades 20, a plurality of circular arc radial positioning plates for fixing the motor stator 30 are arranged in the air duct casing 10, the circular arc radial positioning plates surround the periphery of the motor stator 30, one end of the rear end cover 60 is axially connected with the motor stator 30 and/or the air duct casing 10, the other end of the rear end cover is connected with the PCB 70, and the circular arc radial positioning plates and the rear end cover 60 are surrounded to form an installation structure for installing the motor stator 30.
It is worth proposing that the mounting structure formed by surrounding the arc-shaped radial positioning plates and the rear end cover 60 is close to a full-surrounding structure, and the motor stator 30 is mounted in the mounting structure close to the full-surrounding structure, so that the radial positioning of the motor stator 30 is more accurate and the motor is prevented from being stressed and shaken compared with the prior art.
In addition, when the rear end cover 60 is installed, the rear end cover 60 may be installed on the motor stator 30 through a screw 80, and then the rear end cover 60 is installed on the air duct casing 10, or the whole of the rear end cover 60 and the motor stator 30 is installed in the air duct casing 10, or only the rear end cover 60 is installed on the air duct casing 10, and the motor stator 30 is installed in the air duct casing 10, which is not limited in this embodiment. The several mounting modes can ensure the axial fixation of the motor machinery, are more stable and reliable than the mode of tight fit or glue fixation in the prior art, are more convenient to operate and save time and labor.
It can be understood that the ultra-high rotating speed wind motor provided by the invention is applied to the fields of electric hair dryers, bladeless fans, negative pressure dust collectors, hand dryers, bathroom drying and the like, wherein the rotating speed of the ultra-high rotating speed wind motor can be, for example, 5-15 ten thousand revolutions per minute.
Further, in this embodiment, the rear end cap 60 is made of plastic or metal. Compared with the prior art, the rear end cover 60 thoroughly improves the long cantilever structure of the rotor and thoroughly solves the abnormal sound when the high-speed motor is started.
Furthermore, in this embodiment, the inner wall of the air duct housing 10 is connected to a plurality of stator fixing members, and the motor stator 30 is axially connected to the plurality of stator fixing members through screws 80. The plurality of stator fixing pieces and the plurality of arc-shaped radial positioning plates are integrally formed with the air duct casing 10. Therefore, the motor stator 30 can be more stably and reliably mounted in the air duct casing 10.
Furthermore, in this embodiment, the high-speed wind motor further includes a first bearing 90, a first shaft sleeve 100, a second bearing 110, and a second shaft sleeve 120, which are mounted on the motor rotating shaft 50, the bearings pass through the first bearing 90 and the second bearing 110 and are connected with the fan blade 20, a first wave gasket 130 is mounted between the first bearing 90 and the fan blade 20, and a second wave gasket 140 is mounted between the second bearing 110 and the rear end cover 60.
The first wavy gasket 130 and the second wavy gasket 140 are used for applying pre-pressure to the bearing, and in specific implementation, whether the first wavy gasket 130 and the second wavy gasket 140 are adopted or not can be selected according to the actual pre-pressure.
Furthermore, in this embodiment, a plurality of air deflectors are uniformly arranged in the air duct enclosure 10, and the number of the air deflectors may be preferably 7 or 9.
Furthermore, in this embodiment, the fan blade 20 is shaped as an archimedes spiral curved surface.
The ultrahigh rotating speed wind motor has the beneficial effects that: the invention adopts the technical scheme that the wind channel type motor comprises a wind channel shell, a wind blade, a motor stator, a motor rotating shaft, a rear end cover and a PCB, wherein the wind blade and the motor stator are arranged in the wind channel shell, the wind blade, the motor stator, the motor rotating shaft, the rear end cover and the PCB are coaxially arranged, the motor rotating shaft is connected with the wind blade, a plurality of arc-shaped radial positioning plates for fixing the motor stator are arranged in the wind channel shell, the plurality of arc-shaped radial positioning plates surround the periphery of the motor stator, one end of the rear end cover is axially connected with the motor stator and/or the wind channel shell, the other end of the rear end cover is connected with the PCB, the plurality of arc-shaped radial positioning plates and the rear end cover surround and construct an installation structure for installing the motor stator, and compared with the prior art, and make the installation more reliable and more stable.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.