CN117439314A - Outer rotor high-speed blower motor adopting novel shell - Google Patents
Outer rotor high-speed blower motor adopting novel shell Download PDFInfo
- Publication number
- CN117439314A CN117439314A CN202311383019.4A CN202311383019A CN117439314A CN 117439314 A CN117439314 A CN 117439314A CN 202311383019 A CN202311383019 A CN 202311383019A CN 117439314 A CN117439314 A CN 117439314A
- Authority
- CN
- China
- Prior art keywords
- shell
- inner shell
- blower motor
- speed blower
- novel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims description 9
- 238000002955 isolation Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract description 6
- 238000001338 self-assembly Methods 0.000 abstract description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000001743 silencing effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2786—Outer rotors
- H02K1/2787—Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2786—Outer rotors
- H02K1/2787—Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/2788—Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of a single magnet or two or more axially juxtaposed single magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides an outer rotor high-speed blower motor adopting a novel shell, which comprises a rotor assembly, a stator assembly, a control device, a duct shell, a rotating shaft and a flow guiding mechanism, wherein the duct shell comprises an inner shell and an outer shell, the inner shell and the outer shell are coaxial, the flow guiding mechanism fixedly connects the inner shell with the outer shell, the inner shell is separated and divided into a first inner shell and a second inner shell by a separation plate, one or more through holes are formed in the separation plate, stationary blades based on Archimedes spiral design are arranged between the inner shell and the outer shell of the duct shell to fixedly connect the inner shell with the outer shell, and at least two bearing chambers are assembled between the stator assembly and the rotating self-assembly.
Description
Technical Field
The invention relates to the field of high-speed blower motors, in particular to an outer rotor high-speed blower motor adopting a novel shell.
Background
Blowing device and dust extraction like hairdryer, bladeless electric fan, negative pressure dust catcher, hand dryer, bathroom drying etc. all need use the motor, and the high-speed hair-dryer motor of outer rotor adopts the mode of plane connecting plate to be fixed connection with the inner and outer shell of motor among the prior art, has motor casing intensity inadequately, and the unable problem of casing that flows rapidly of high-speed amount of wind, adopts the mode of single bearing assembly to stator module and rotor module's assembly among the traditional motor simultaneously, has the assembly concentricity not high and leads to the electromagnetic noise that should the unbalanced magnetic tension cause.
Disclosure of Invention
In order to overcome the defects and shortcomings of the prior art, the invention provides an outer rotor high-speed blower motor adopting a novel shell, which solves the technical problems that in the prior art, the structural strength of the shell of the high-speed blower motor is insufficient, the air quantity caused by the shell cannot be blown out quickly, the pneumatic noise is caused by the air pressure difference, and the electromagnetic noise is caused by the assembly concentricity difference.
The invention realizes the aim through the following technical scheme: the utility model provides an adopt high-speed hair-dryer motor of external rotor of novel casing, includes rotor subassembly, stator module and duct casing, axis of rotation, guiding mechanism, the duct casing includes inner shell and shell, the inner shell with the shell is coaxial, guiding mechanism will the inner shell with shell fixed connection, the inner shell is kept apart by the division board and is cut apart into first inner shell and second inner shell, be provided with one or more through-holes on the division board.
Preferably, the motor further comprises a control device and a fan blade, wherein the stator assembly and the fan blade are arranged in the first inner shell, and the control device is installed at one end of the second inner shell.
Preferably, the flow guiding mechanism is a stator blade designed by adopting an Archimedes spiral line.
Preferably, the inner housing is provided with at least two bearing chambers for placing bearings of the rotating shaft.
Preferably, the rotating shaft is provided with a clamp spring groove, and the clamp spring is matched with the clamp spring groove and used for preventing the axial movement of the rotating shaft.
Preferably, the rotating shaft is an optical axis, and the optical axis is provided with a limiting piece matched with the optical axis for preventing axial movement of the rotating shaft.
Preferably, the limiting piece is a plum blossom meson.
Preferably, the control device is fixedly connected with one end of the second inner shell through a buckle structure, and an interface is arranged on the control device and is used for connecting the lead wires of the stator assembly.
Preferably, the second inner shell is provided with a boss, and the control device is fixedly connected with the boss through a buckle structure.
Preferably, the rotor assembly includes a rotor magnet and a rotor housing.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the stator blades based on Archimedes spiral design are arranged between the inner shell and the outer shell of the ducted casing to fixedly connect the inner shell and the outer shell, and the stator blades have the function of reinforcing ribs, so that the technical problems that the structural strength of the high-speed blower motor casing is insufficient, the air quantity caused by the casing cannot be blown out quickly, and the pneumatic noise is caused by the strong difference of the air pressure in the prior art are solved; meanwhile, at least two bearing chambers are assembled between the stator assembly and the rotating self-assembly, so that the technical problem of electromagnetic noise caused by poor assembly concentricity of the stator assembly and the rotor assembly in the prior art is solved, and the motor has the advantages of low motor starting and working noise, good silencing effect, low high-speed blowing air outlet resistance and high motor shell structural strength.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 shows an explosion diagram of an external rotor high-speed blower motor employing a novel housing according to the present invention.
Figure 2 shows an isometric view of a ducted casing of an external rotor high speed blower motor employing a novel casing of the present invention.
Reference numerals: 1-a rotor assembly; 11-rotor magnet; 12-a rotor housing; a 2-stator assembly; 3-a control device; 4-duct housing; 41-an inner shell; 411-a first inner shell; 412-a second inner housing; 42-a housing; 5-a flow guiding mechanism; 6-rotating shaft; 7-limiting pieces; 8-interface.
Detailed Description
The present invention will be further described with reference to the drawings and detailed description, wherein the described embodiments are only some, but not all, of the embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-2, an external rotor high-speed blower motor adopting a novel casing comprises a rotor assembly 1, a stator assembly 2, a ducted casing 4, a rotating shaft 6 and a diversion mechanism 5, wherein the rotor assembly 1 comprises a rotor magnet 11 and a rotor outer casing 12, the ducted casing 4 comprises an inner casing 41 and an outer casing 42, the inner casing 41 and the outer casing 42 are coaxial, the diversion mechanism 5 fixedly connects the inner casing 41 with the outer casing 42, the diversion mechanism 5 is a stator blade adopting an archimedes spiral line design, the inner casing 41 is separated and divided into a first inner casing 411 and a second inner casing 412 by a separation plate, a plurality of through holes are formed in the separation plate, the blower fan also comprises a control device 3 and a fan blade, the stator assembly 2 and the fan blade are arranged in the first inner casing 411, and the control device 3 is arranged at one end of the second inner casing 412.
Further, the inner housing 41 is provided with two bearing chambers for placing the bearings of the rotating shaft 6, and the cooperation of the bearings of the rotating shaft 6 and the bearing chambers improves the assembly concentricity of the rotating shaft during assembly.
Further, a snap spring groove is formed in the rotating shaft 6, and the snap spring is matched with the snap spring groove and used for preventing axial movement of the rotating shaft 6.
Further, the control device 3 is fixedly connected with one end of the second inner shell 412 through a fastening structure, an interface 8 is arranged on the control device 3 and used for connecting the lead wires of the stator assembly 2, a boss is arranged on the second inner shell 412, and the control device 3 is fixedly connected with the boss through the fastening structure.
Example 2
Referring to fig. 1-2, an external rotor high-speed blower motor adopting a novel casing comprises a rotor assembly 1, a stator assembly 2, a ducted casing 4, a rotating shaft 6, a diversion mechanism 5, wherein the rotor assembly 1 comprises a rotor magnet 11 and a rotor outer casing 12, the ducted casing 4 comprises an inner casing 41 and an outer casing 42, the inner casing 41 and the outer casing 42 are coaxial, the diversion mechanism 5 fixedly connects the inner casing 41 with the outer casing 42, the diversion mechanism 5 is a stator blade adopting an archimedes spiral line design, the inner casing 41 is separated and divided into a first inner casing 411 and a second inner casing 412 by a separation plate, a through hole is formed in the separation plate, the blower fan also comprises a control device 3 and a fan blade, the stator assembly 2 and the fan blade are arranged in the first inner casing 411, and the control device 3 is arranged at one end of the second inner casing 412.
Further, the inner housing 41 is provided with two bearing chambers for placing the bearings of the rotating shaft 6, and the cooperation of the bearings of the rotating shaft 6 and the bearing chambers improves the assembly concentricity of the rotating shaft during assembly.
Further, the rotating shaft 6 is an optical axis, and a limiting piece is arranged on the optical axis and matched with the optical axis to prevent the axial movement of the rotating shaft, and the limiting piece is a plum blossom meson.
Further, the control device 3 is fixedly connected with one end of the second inner shell 412 through a fastening structure, an interface 8 is arranged on the control device 3 and used for connecting the lead wires of the stator assembly 2, a boss is arranged on the second inner shell 412, and the control device 3 is fixedly connected with the boss through the fastening structure.
The foregoing list is only illustrative of specific embodiments of the invention. It is obvious that the invention is not limited to the above embodiments, but that many similar modifications are possible, all modifications which can be directly derived or suggested to a person skilled in the art from the disclosure of the invention are to be considered as the scope of the invention as claimed.
Claims (10)
1. The utility model provides an adopt high-speed hair-dryer motor of external rotor of novel casing, includes rotor subassembly (1), stator module (2), duct casing (4), axis of rotation (6), its characterized in that still includes guiding mechanism (5), duct casing (4) include inner shell (41) and shell (42), inner shell (41) with the shell is coaxial, guiding mechanism (5) will inner shell (41) with shell (42) fixed connection, inner shell (41) are cut apart into first inner shell (411) and second inner shell (412) by the division board isolation, be provided with one or more through-hole on the division board.
2. The outer rotor high-speed blower motor adopting the novel shell according to claim 1, further comprising a control device (3) and fan blades, wherein the stator assembly (2) and the fan blades are arranged in the first inner shell (411), and the control device (3) is installed at one end of the second inner shell (412).
3. The external rotor high-speed blower motor adopting the novel shell according to claim 1, wherein the flow guiding mechanism (5) is a stator blade adopting an archimedes spiral design.
4. An external rotor high speed blower motor employing a new housing as in claim 1, wherein the inner housing (41) is provided with at least two bearing chambers for the bearing of the rotating shaft (6).
5. An outer rotor high-speed blower motor adopting a novel casing as claimed in claim 1, characterized in that the rotating shaft (6) is provided with a snap spring groove, and the snap spring is matched with the snap spring groove for preventing the axial movement of the rotating shaft.
6. The outer rotor high-speed blower motor adopting the novel shell according to claim 1, wherein the rotating shaft (6) is an optical axis, and a limiting piece (7) is arranged on the optical axis and matched with the optical axis, so as to prevent axial movement of the rotating shaft.
7. The outer rotor high-speed blower motor adopting the novel shell according to claim 6, wherein the limiting piece (7) is a plum blossom meson.
8. The outer rotor high-speed blower motor adopting the novel shell according to claim 2, wherein the control device (3) is fixedly connected with one end of the second inner shell (412) through a fastening structure, and an interface (8) is arranged on the control device (3) and is used for connecting leads of the stator assembly (2).
9. The outer rotor high speed blower motor employing the novel casing according to claim 8, wherein the second inner casing (412) is provided with a boss, and the control device (3) is fixedly connected with the boss through a snap structure.
10. An external rotor high speed blower motor employing a novel housing as in claim 1, wherein the rotor assembly (1) comprises a rotor magnet (11) and a rotor housing (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311383019.4A CN117439314A (en) | 2023-10-24 | 2023-10-24 | Outer rotor high-speed blower motor adopting novel shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311383019.4A CN117439314A (en) | 2023-10-24 | 2023-10-24 | Outer rotor high-speed blower motor adopting novel shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117439314A true CN117439314A (en) | 2024-01-23 |
Family
ID=89545519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311383019.4A Pending CN117439314A (en) | 2023-10-24 | 2023-10-24 | Outer rotor high-speed blower motor adopting novel shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117439314A (en) |
-
2023
- 2023-10-24 CN CN202311383019.4A patent/CN117439314A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Country or region after: China Address after: 518000, Building 13A, 102, 202, 402, Lantian Science and Technology Park, Di Tang Road, Shasi Community, Shajing Street, Bao'an District, Shenzhen City, Guangdong Province Applicant after: Shenzhen Zhongqu Motor Co.,Ltd. Address before: 518000 4th floor, building 13a, building 1-16, Shaer Industrial Park, Ditang Road, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Applicant before: CHINA DRIVE MOTORS (SHENZHEN) Co.,Ltd. Country or region before: China |