CN209875503U - High-speed fan motor - Google Patents
High-speed fan motor Download PDFInfo
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- CN209875503U CN209875503U CN201920175169.9U CN201920175169U CN209875503U CN 209875503 U CN209875503 U CN 209875503U CN 201920175169 U CN201920175169 U CN 201920175169U CN 209875503 U CN209875503 U CN 209875503U
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Abstract
The utility model discloses a high-speed fan motor, which comprises an outer shell, the rotor of setting in the shell, stator and axle, wherein, the stator outer wall is fixed with the lower extreme inner wall of shell, the rotor is located inside the stator, and set up with the inner wall interval of stator, the one end of axle sets up with the rotor inner wall is fixed, be provided with a plurality of layers of movable blades along the direction interval of axle around the other end of axle, every layer of movable blade includes a plurality of movable blades the same for axial incline direction, the interval is provided with a plurality of layers of quiet leaf of axial direction on the inner wall of shell, every layer of quiet leaf includes a plurality of static leaf that axial and incline direction are the same for a plurality of, alternate setting with one deck movable blade and the quiet leaf interval of one deck in axial direction. This motor is through setting up in the leading-in motor of air current with the quiet leaf of water conservancy diversion in advance of motor foremost, and the cooperation of rethread multistage movable leaf and quiet leaf makes the inside high-speed highly compressed cyclone that produces of motor, when effectively improving fan motor's work efficiency, the external diameter and the volume of reduction motor by a wide margin.
Description
Technical Field
The utility model relates to the technical field of motors, concretely relates to high-speed fan motor.
Background
At present, most of fan motors used in occasions needing high-pressure high-speed gas adopt a centrifugal principle to generate required airflow, so that the outer diameter and the volume of the fan motor are large, the centrifugal motor is not easy to concentrate the airflow, and the working energy efficiency of the motor is low.
SUMMERY OF THE UTILITY MODEL
Based on prior art not enough, the utility model provides a high-speed fan motor for reduce the motor volume, improve motor work efficiency.
The technical scheme of the utility model is that:
a high-speed fan motor, its characterized in that: including the shell, set up the rotor in the shell, stator and axle, wherein, the stator outer wall is fixed with the lower extreme inner wall of shell, the rotor is located inside the stator, and set up with the inner wall interval of stator, the one end of axle sets up with the rotor inner wall is fixed, the direction interval along the axle around the other end of axle is provided with a plurality of layers of movable vane, every layer of movable vane includes a plurality of movable vane the same for axial tilt direction, the interval is provided with a plurality of layers of quiet leaf of axial direction on the inner wall of shell, every layer of quiet leaf includes a plurality of static vane the same for axial and tilt direction, alternate the setting with one deck movable vane and one deck quiet leaf interval in axial direction.
Furthermore, a plurality of pre-diversion stationary blades are uniformly distributed at the air inlet of the shell.
Furthermore, counter bores are arranged on the inner wall of the shell at intervals, a boss which is correspondingly inserted into each counter bore is arranged at the tail end of each static blade, and the static blades are inserted into the counter bores through the bosses.
Furthermore, the movable blades on each layer of movable blades and the fixed blades on each layer of fixed blades are arranged at an inclined angle relative to the axial direction at equal intervals, the blades of the same layer of movable blades are uniformly distributed in the circumferential direction, the blade shapes, the inclined directions and the inclined angles are the same, the blades of the same layer of fixed blades are uniformly distributed in the circumferential direction, and the blade shapes, the inclined directions and the inclined angles are the same.
Furthermore, each layer of movable blades and a layer of static blades below the layer of movable blades form a first-stage unit, and the blade shape and the static blade shape of each stage unit are different relative to the blade shape of the other unit.
Furthermore, the upper end of the shaft is fixedly sleeved with a movable blade mounting sleeve, and each movable blade layer is fixed on the periphery of the movable blade mounting sleeve.
Further, the diameter of the movable blade mounting sleeve is gradually increased from the upper end to the lower end of the shaft, and the lengths of the static blades and the movable blades are gradually reduced from top to bottom.
Furthermore, the stator adopts a symmetrical 6-slot stator, the rotor adopts a 2-pole magnetic ring, the periphery of the stator is fixed with the inner wall of the shell, and the rotor is fixed on the shaft.
The utility model has the advantages that: this motor is through setting up in the leading-in motor of air current with the quiet leaf of water conservancy diversion in advance of motor foremost, and the cooperation of rethread multistage movable leaf and quiet leaf makes the inside high-speed highly compressed cyclone that produces of motor, when effectively improving fan motor's work efficiency, the external diameter and the volume of reduction motor by a wide margin.
Drawings
Fig. 1 is a schematic external structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a cross-sectional view of the present invention;
FIG. 4 is a schematic structural diagram of the bearing bracket of the present invention
Fig. 5 is a schematic view of the magnetic field distribution of the 2-pole magnetic ring rotor according to the present invention;
fig. 6 is a schematic structural view of the stator of the present invention;
fig. 7 is a schematic diagram of a star winding connection structure according to the present invention;
fig. 8 is a schematic view of the connection structure of the delta winding of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the features of the following embodiments and examples may be combined with each other without conflict.
As shown in fig. 1 to 6, a high-speed fan motor includes a casing 1, a rotor 2 disposed in the casing 1, a stator 3, and a shaft 4, wherein an outer wall of the stator 3 is fixed to an inner wall of a lower end of the casing 1, the rotor 2 is disposed inside the stator 3 and spaced from the inner wall of the stator 3, one end of the shaft 4 is fixed to the inner wall of the rotor 2, a plurality of layers of movable blades 5 are disposed around the other end of the shaft 4 at intervals along a direction of the shaft, each layer of movable blades 5 includes a plurality of movable blades having the same inclination direction with respect to the axial direction, a plurality of layers of stationary blades 6 are disposed on the inner wall of the casing 1 at intervals in the axial direction, each layer of stationary blades 6 includes a plurality of stationary blades having the same inclination direction with respect to the axial direction, and each layer of stationary blades 6 and each layer of movable blades 5 are disposed at intervals in a.
A plurality of pre-diversion stationary blades 7 are uniformly distributed on the inner wall of the air inlet of the shell 1, and a plurality of diversion stationary blades 12 are also uniformly distributed on the inner wall of the air outlet of the shell.
Counter bores are arranged on the inner wall of the shell 1 at intervals, a boss which is correspondingly inserted into each counter bore is arranged at the tail end of each static blade, and the static blades are inserted into the counter bores through the bosses.
The movable blades on each layer of movable blades 5 and the fixed blades on each layer of fixed blades 6 are arranged at an inclined angle relative to the axial direction at equal intervals, the fan blades of the same layer of movable blades are uniformly distributed in the circumferential direction, the blade shapes, the inclined directions and the inclined angles are the same, the fan blades of the same layer of fixed blades are uniformly distributed in the circumferential direction, and the blade shapes, the inclined directions and the inclined angles are the same.
Each layer of movable blades and a layer of static blades under the layer of movable blades form a first-stage blade unit, and the movable blade and the static blade of each stage unit have different blade shapes relative to the other unit.
The inclination angle of the pre-diversion stationary blade in the axial direction is smaller than that of the movable blade and the stationary blade, the pre-diversion stationary blade guides airflow into the motor, and the multistage stationary blade and movable blade in the motor form high-pressure and high-speed cyclone entering the motor when working, so that the working efficiency of the fan motor is improved, and the size of the fan motor is reduced.
The motor of the embodiment is provided with a first-stage blade unit under the pre-guide static blade, wherein the upper part of the first-stage blade unit, namely the movable blade layer is arranged under the pre-guide static blade, and then the first-stage static blade and the second-stage movable blade are arranged in sequence. The static blades in each unit stage are used for converting the wind kinetic energy of the movable blades on the static blades into the wind pressure potential energy of gas and simultaneously used for air inlet and guide flow of the next stage unit.
The top of the pre-diversion stationary blade is a structure 9 with a certain curved surface cone, and the structure is only arranged at the air inlet, so that the wind resistance at the top of the first-stage movable blade is reduced, and the pre-diversion effect is achieved for the air inlet of the first-stage movable blade.
The fixed cover in upper end of axle 4 is equipped with movable vane installing sleeve 8, and each layer movable vane 5 is fixed on the periphery of movable vane installing sleeve 8.
The diameter of the movable blade mounting sleeve 8 from the upper end to the lower end of the shaft 4 is gradually increased, and the lengths of the static blades and the movable blades are gradually reduced from top to bottom. The arrangement has the advantages that the space at the air flow inlet of the motor is large, the space at the air flow outlet of the motor is small, the passageway of the air flow is gradually narrowed, the space is gradually reduced in the flowing process of the air flow, and the high-pressure cyclone is more favorably formed.
The stator 3 adopts a symmetrical 6-slot stator, the rotor 2 adopts a 2-pole magnetic ring, and the rotor 2 is fixed on a shaft.
The middle part of the shaft is further sleeved with a bearing support 10, the outer ring of the bearing 101 is fixed to the inner wall of the bearing support, the inner ring of the bearing 101 is fixed to the shaft, a spring 102 is further arranged in the bearing support 10, a spring placing step 103 is further arranged at the bottom of the bearing support, and the outer diameter of the bearing support 10 is fixed to the inner hole wall of the center of the shell.
Specifically, the rotor 2 is a 2-pole magnetic ring rotor obtained by directional saturation magnetization, and the 2-pole magnetic ring rotor is fixed on the shaft 4 on one side of the bearing support 10 in a surrounding manner through an inner hole of the rotor.
The periphery of the stator 3 is fixed with the inner wall of the shell 1, the inner periphery of the stator 3 is sleeved on the periphery of the rotor 2, the inner periphery of the stator 3 is spaced from the periphery of the rotor 2, 6 tooth grooves 31 are uniformly distributed in the circumferential direction of the stator 3, a concentrated winding is arranged in each tooth groove, the windings in two opposite tooth grooves are formed by winding a continuous winding, the winding directions of the windings in two opposite tooth grooves are opposite, and the windings are connected in a star shape and a triangular shape as shown in fig. 7 and 8.
Through 6 tooth's sockets of evenly distributed in stator core circumference, be provided with a winding in every tooth's socket, subtend tooth's socket constitutes a pair of tooth groove group, the opening direction of two windings in a pair of tooth groove group is on a straight line, and wire winding coiling direction is opposite, its subtend tooth's socket current's opposite direction when drive current input promptly, and simultaneously, rotor 2 is 2 magnetic ring structures, make stator winding and rotor produce symmetrical magnetic field like this, the noise that the magnetic field atress inequality arouses has fully been solved, vibrate, the fan motor external diameter has been reduced simultaneously by a wide margin, the volume of motor has been reduced, the cost is reduced, with the cooperation of above-mentioned multistage quiet leaf and movable blade structure, make the stability of this motor better, efficiency is higher.
The 6 windings are radially arranged by taking the rotating shaft as a center. The opening directions of the two windings in the opposite tooth slots are on a straight line.
The peripheral direction of stator 3 is provided with a plurality of recess 32, be provided with the arch on the position that corresponds with recess 32 on the inner wall of shell 1, recess 32 and protruding cooperation, reciprocal anchorage.
The grooves 32 are vertical grooves uniformly distributed on the outer circumference of the stator in the axial direction of the rotary shaft.
The protrusions can be integrally formed with the housing 1 during machining and production, and the protrusions are matched with the grooves 32 to limit axial rotation of the stator 3 relative to the housing 1.
The above embodiments are only intended to represent the concentrated embodiments of the present invention, and the description thereof is more specific and detailed, but it is not to be understood as the limitation of the scope of the present invention, and it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the concept of the present invention, and all of them belong to the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. A high-speed fan motor, its characterized in that: including the shell, set up the rotor in the shell, stator and axle, wherein, the stator outer wall is fixed with the lower extreme inner wall of shell, the rotor is located inside the stator, and set up with the inner wall interval of stator, the one end of axle sets up with the rotor inner wall is fixed, the direction interval along the axle around the other end of axle is provided with a plurality of layers of movable vane, every layer of movable vane includes a plurality of movable vane the same for axial tilt direction, the interval is provided with a plurality of layers of quiet leaf of axial direction on the inner wall of shell, every layer of quiet leaf includes a plurality of static vane the same for axial and tilt direction, alternate the setting with one deck movable vane and one deck quiet leaf interval in axial direction.
2. The high speed fan motor of claim 1, wherein: a plurality of pre-diversion stationary blades are uniformly distributed at the air inlet of the shell.
3. The high speed fan motor of claim 1, wherein: the inner wall of the shell is provided with counter bores at intervals, the tail end of each static blade is provided with a boss correspondingly spliced with the counter bore, and the static blades are spliced with the counter bores through the bosses.
4. The high speed fan motor of claim 1, wherein: the movable blades on each layer of movable blades and the fixed blades on each layer of fixed blades are arranged at an inclination angle relative to the axial direction at equal intervals, the fan blades of the same layer of movable blades are uniformly distributed in the circumferential direction, the blade shapes, the inclination directions and the inclination angles are the same, the fan blades of the same layer of fixed blades are uniformly distributed in the circumferential direction, and the blade shapes, the inclination directions and the inclination angles are the same.
5. The high speed fan motor of claim 4, wherein: each layer of movable blades and a layer of static blades under the layer of movable blades form a first-stage unit, and the movable blade and the static blade of each stage unit have different blade shapes relative to the other unit.
6. The high speed fan motor of claim 5, wherein: the fixed cover in upper end of axle is equipped with movable vane installation cover, and each movable vane layer is fixed on movable vane installation cover's periphery.
7. The high speed fan motor of claim 6, wherein: the diameter of the movable blade mounting sleeve is gradually increased from the upper end to the lower end of the shaft, and the lengths of the static blades and the movable blades are gradually reduced from top to bottom.
8. The high speed fan motor of claim 1, wherein: the stator adopts 6 slot stators of symmetry, and the rotor adopts 2 utmost point magnetic rings, the stator periphery is fixed with the shell inner wall, the rotor is fixed on the axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920175169.9U CN209875503U (en) | 2019-01-31 | 2019-01-31 | High-speed fan motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920175169.9U CN209875503U (en) | 2019-01-31 | 2019-01-31 | High-speed fan motor |
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| Publication Number | Publication Date |
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| CN209875503U true CN209875503U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920175169.9U Active CN209875503U (en) | 2019-01-31 | 2019-01-31 | High-speed fan motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798259A (en) * | 2019-01-31 | 2019-05-24 | 稻津电机(珠海)有限公司 | A kind of high-speed fan motor |
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2019
- 2019-01-31 CN CN201920175169.9U patent/CN209875503U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798259A (en) * | 2019-01-31 | 2019-05-24 | 稻津电机(珠海)有限公司 | A kind of high-speed fan motor |
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