CN212717261U

CN212717261U - Industrial fan based on low-speed large-torque magnetic regulating motor

Info

Publication number: CN212717261U
Application number: CN202020992924.5U
Authority: CN
Inventors: 李常文
Original assignee: Goal Technology Shenzhen Co ltd
Current assignee: Goal Technology Shenzhen Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-03-16
Anticipated expiration: 2030-06-03

Abstract

The utility model relates to an industrial equipment technical field, concretely relates to industrial fan based on low-speed big torque magnetic motor adjusts, this industrial fan includes: the magnetic regulating device comprises a rotating assembly, a magnetic regulating motor and fan blades, wherein an accommodating space is formed in the rotating assembly; the magnetic flux regulating motor includes: the motor stator and the motor rotor are sleeved outside the motor stator, an air gap is formed between the motor stator and the motor rotor, the motor stator comprises a stator iron yoke, a coil winding wound on the stator iron yoke and a stator magnet adjusting block fixed at the tail end of the stator iron yoke, the motor rotor comprises a rotor iron yoke and a rotor permanent magnet assembly attached to the inner side of the rotor iron yoke, and the stator magnet adjusting block and the rotor permanent magnet assembly are uniformly and radially magnetized. In this way, for traditional industrial fan, the utility model discloses can direct torque output drive the flabellum operation, transfer the magnetic block through the stator and increase the magnetic flux, improve motor torque output, reduce mechanical loss, improve motor efficiency.

Description

Industrial fan based on low-speed large-torque magnetic regulating motor

Technical Field

The utility model relates to an industrial equipment technical field specifically relates to an industrial fan based on low-speed big torque magnetic motor.

Background

The existing industrial fan generally adopts a reduction gearbox motor, has a complex structure and is not easy to maintain. The reduction gearbox motor adopts a reduction gearbox to convert the speed and the torque of the traditional motor, the existence of the gearbox not only increases the volume of the system, but also inevitably introduces vibration and noise due to mechanical friction between gears, and increases the cost of lubrication and maintenance.

Disclosure of Invention

The utility model provides an industrial fan based on low-speed big torque magnetic motor transfers, can direct torque output drive flabellum operation, reduced mechanical loss, improved motor efficiency.

In order to solve the technical problem, the utility model discloses a technical scheme be: provided is an industrial fan based on a low-speed large-torque flux-regulating motor, comprising:

the magnetic field regulating device comprises a rotating assembly, a magnetic regulating motor and fan blades, wherein an accommodating space is formed in the rotating assembly;

the magnetic flux regulating motor includes: motor stator and cover are located the electric motor rotor in the motor stator outside, motor stator with be formed with the air gap between the electric motor rotor, motor stator includes stator yoke, winding coil winding on the stator yoke and fixes the terminal stator of stator yoke transfers the magnetic path, electric motor rotor includes the rotor yoke and pastes and locates the inboard rotor permanent magnet subassembly of rotor yoke, the stator transfer the magnetic path with the equal radial magnetization of rotor permanent magnet subassembly.

According to an embodiment of the present invention, the rotating assembly comprises: the fixed shaft in both ends opening and the inside cavity, locate the fixed shaft in the fixed part, locate the first casing and the second casing at the both ends of fixed part, the fixed shaft is worn to establish motor stator center, the outside of rotor yoke with the inner wall fixed connection of fixed part, the one end of fixed shaft is worn to establish first casing and will first casing is fixed in the one end of fixed part, the other end of fixed shaft is worn to establish the second casing will the second casing is fixed in the other end of fixed part.

According to the utility model discloses an embodiment, fixed part week side is equipped with the edge the extending direction part of flabellum extends the lug that forms, flabellum one end with the terminal surface butt and the fixed connection of lug.

According to the utility model discloses an embodiment, the fixed axle include with motor stator fixed connection's axle main part, be located the first link of axle main part one end and being located the second link of the axle main part other end, first link with first casing fixed connection, the second link with second casing fixed connection.

According to the utility model discloses an embodiment, be equipped with the through-hole that is used for connecting cable conductor on the fixed axle.

According to the utility model discloses an embodiment, rotor permanent magnet subassembly includes a plurality of bar permanent magnet along circumferencial direction evenly distributed, adjacent two bar permanent magnet's the opposite direction that magnetizes.

According to the utility model discloses an embodiment, stator yoke end is equipped with two stator teeth, be formed with the stator tooth's socket between the stator tooth, the stator magnetic adjusting piece nest in the stator tooth's socket.

According to an embodiment of the invention, the rotating assembly is made of a non-magnetically conductive material.

According to an embodiment of the invention, the stator yoke and the rotor yoke are made of magnetically conductive material.

The utility model has the advantages that: the motor stator of the magnetic regulating motor is arranged on the inner side, the motor rotor is arranged on the outer side, the motor rotor can directly drive the fan blades to rotate, and compared with a traditional reduction gearbox motor fan, the industrial fan increases magnetic flux through the stator magnetic regulating block, improves motor torque output, reduces mechanical loss and improves motor efficiency.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is an explosion structure diagram of an industrial fan based on a low-speed large-torque flux-modulating motor according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of an industrial fan based on a low-speed large-torque flux modulating motor according to an embodiment of the present invention;

fig. 3 is a side view of an industrial fan based on a low-speed high-torque flux modulating motor according to an embodiment of the present invention;

fig. 4 is a cross-sectional view taken along a-a of fig. 3.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The terms "first", "second" and "third" in the present application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of indicated technical features. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. All directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Fig. 1 is an exploded schematic view of an industrial fan based on a low-speed high-torque flux modulating motor according to an embodiment of the present invention, please refer to fig. 1, in which the industrial fan 100 includes a rotating component 10 having an accommodating space 11 therein, a flux modulating motor 20 disposed in the accommodating space 11, and a fan blade 30 fixed outside the rotating component 10. The field adjusting motor 20 includes a motor stator 21 and a motor rotor 22 sleeved outside the motor stator 21, and an air gap is formed between the motor stator 21 and the motor rotor 22.

Referring to fig. 4, the motor stator 21 includes a stator iron yoke 211, a coil winding 212 wound on the stator iron yoke 211, and a stator magnet adjusting block 213 fixed to an end of the stator iron yoke 211. The stator magnetically tuning block 213 is radially magnetized. Further, the stator iron yoke 211 is made of a magnetic conductive material, and further, the stator iron yoke 211 is made of silicon steel sheets by laminating, and the stator iron yoke 211 is provided with a central shaft hole 2111. The tail end of the stator iron yoke 211 is provided with two stator teeth 2112, a stator tooth socket is formed between the stator teeth 2112, and the stator magnet adjusting block 213 is nested in the stator tooth socket.

Referring to fig. 4, the motor rotor 22 includes a rotor yoke 221 and a rotor permanent magnet assembly 222 attached to the inside of the rotor yoke 221, and the rotor permanent magnet assembly 222 is radially magnetized. The rotor yoke 221 is made of a magnetically conductive material, and further, the rotor yoke 221 is laminated by silicon steel sheets. The rotor permanent magnet assembly 222 includes a plurality of bar permanent magnets 2221 uniformly distributed in a circumferential direction, and the magnetizing directions of two adjacent bar permanent magnets 2221 are opposite.

Referring to fig. 1, 3 and 4, the rotating assembly 10 is made of a non-magnetic material, and further, the rotating assembly 10 includes: the motor stator comprises a fixing part 12 with two open ends and a hollow inner part, a fixing shaft 13 arranged in the fixing part 12, a first shell 14 and a second shell 15 arranged at two ends of the fixing part 12, wherein the fixing shaft 13 penetrates through a central shaft hole 2111 of the motor stator, the outer side of a rotor iron yoke 221 is fixedly connected with the inner wall of the fixing part 12, one end of the fixing shaft 13 penetrates through the first shell 14 and fixes the first shell 14 at one end of the fixing part 12, and the other end of the fixing shaft 13 penetrates through the second shell 15 and fixes the second shell 15 at the other end of the fixing part 12. The fixing portion 12, the first housing 14 and the second housing 15 cooperate to form an accommodating space 11 and accommodate the magnetic adjustment motor 20 in the accommodating space 11, as shown in fig. 2.

Further, referring to fig. 1 and 2, a bump 121 formed by partially extending along the extending direction of the fan blade 30 is disposed on the periphery of the fixing portion 12, and one end of the fan blade 30 abuts against and is fixedly connected to an end surface of the bump 121. This setting mode can make flabellum 30 steady operation more, reduces and rocks and the noise.

Further, referring to fig. 1 to 4, the fixed shaft 13 includes a shaft main body 131 fixedly connected to the central shaft hole 2111 of the motor stator 21, a first connection end 132 located at one end of the shaft main body 131, and a second connection end 133 located at the other end of the shaft main body 131, wherein the first connection end 132 is fixedly connected to the first housing 14, and the second connection end 133 is fixedly connected to the second housing 15.

Referring to fig. 2 and 4, the fixing shaft 13 is provided with a through hole 134 for connecting a cable, and a power supply supplies power to the magnetic adjustment motor 20 through the cable. When the coil winding 212 is energized, the magnetic force is increased by the stator magnetic adjusting block 213, a rotating magnetic field is generated in the air gap, the rotor permanent magnet assembly 222 is driven to drive the whole motor rotor 22 and the rotating assembly 10 to rotate, and therefore the fan blades 30 fixed on the rotating assembly 10 are driven to rotate, so that indoor environments such as industrial factory buildings and large-scale gymnasiums are ventilated and cooled.

The motor stator 21 of this embodiment is inboard, electric rotor 22 is the outside, conveniently directly drive flabellum 30 operation, based on magnetic field modulation principle, coil winding 212 on motor stator 21 leads to the three-phase excitation source and provides energy input for the motor, increase the magnetic flux through stator magnetic adjusting piece 213, utilize harmonic magnetic field to carry out energy transmission, the motor torque output has been improved, for traditional reducing gear box motor fan, the industrial fan 100 of this embodiment can avoid friction and vibration in the mechanical gear, mechanical loss has been reduced, motor efficiency has been improved.

The main dimensional parameters of the industrial fan 100 of the present embodiment are as follows, the axial length of the motor rotor 22, the motor stator 21 and the fixing portion 12 is 60mm, the outer diameter of the motor rotor 22 is 150mm, and the inner diameter is 130 mm. The width of the air gap between the motor stator 21 and the motor rotor 22 in the radial direction is 0.5mm, the radial outer diameter of the motor stator 21 is 129mm, the length of the stator tooth slot in the radial direction is 4mm, the width of each stator tooth 2112 is 4 °, the width of the stator tooth slot is 5.2 °, the length of the coil winding 212 in the radial direction is 13.5mm, the central shaft hole 2111 of the stator iron yoke 211 is 40mm, the length of the fixed shaft 13 is 150mm, the diameters of the first housing 14 and the second housing 15 are 150mm, the axial length is 70mm, the inner diameter of the fixed part 12 is 150mm, the outer diameter is 190mm, and the length of the fan blade 30 is 5000 mm.

The above only is the partial embodiment of the utility model discloses a not therefore restriction the utility model discloses a protection scope, all utilize the utility model discloses equivalent device or equivalent flow transform that the content of description and drawing was done, or direct or indirect application in other relevant technical field, all the same reason is included in the patent protection scope of the utility model.

Claims

1. An industrial fan based on a low-speed large-torque magnetic regulating motor is characterized by comprising:

2. The industrial fan as claimed in claim 1, wherein the rotating assembly comprises: the fixed shaft in both ends opening and the inside cavity, locate the fixed shaft in the fixed part, locate the first casing and the second casing at the both ends of fixed part, the fixed shaft is worn to establish motor stator center, the outside of rotor yoke with the inner wall fixed connection of fixed part, the one end of fixed shaft is worn to establish first casing and will first casing is fixed in the one end of fixed part, the other end of fixed shaft is worn to establish the second casing will the second casing is fixed in the other end of fixed part.

3. The industrial fan as claimed in claim 2, wherein a projection extending along a part of the extension direction of the fan blade is provided on the periphery of the fixing portion, and one end of the fan blade is abutted against and fixedly connected to an end face of the projection.

4. The industrial fan as claimed in claim 2, wherein the fixed shaft includes a shaft body fixedly connected to the motor stator, a first connection end at one end of the shaft body and a second connection end at the other end of the shaft body, the first connection end being fixedly connected to the first casing, the second connection end being fixedly connected to the second casing.

5. The industrial fan as claimed in claim 2, wherein the fixing shaft is provided with a through hole for connecting a cable.

6. The industrial fan as claimed in claim 1, wherein the rotor permanent magnet assembly comprises a plurality of bar-shaped permanent magnets uniformly distributed along a circumferential direction, and the magnetizing directions of two adjacent bar-shaped permanent magnets are opposite.

7. The industrial fan as claimed in claim 1, wherein the stator iron yoke is provided at an end thereof with two stator teeth, a stator slot is formed between the stator teeth, and the stator field adjusting block is nested in the stator slot.

8. The industrial fan as claimed in claim 1 wherein the rotating assembly is made of a non-magnetically permeable material.

9. The industrial fan as claimed in claim 1, wherein the stator and rotor yokes are made of magnetically permeable material.