CN111407185A - Low-noise efficient motor and dust collector - Google Patents
Low-noise efficient motor and dust collector Download PDFInfo
- Publication number
- CN111407185A CN111407185A CN202010070520.5A CN202010070520A CN111407185A CN 111407185 A CN111407185 A CN 111407185A CN 202010070520 A CN202010070520 A CN 202010070520A CN 111407185 A CN111407185 A CN 111407185A
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- guide vane
- motor
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- 239000000428 dust Substances 0.000 title abstract description 14
- 239000003990 capacitor Substances 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 description 17
- 230000007246 mechanism Effects 0.000 description 15
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/22—Mountings for motor fan assemblies
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a low-noise high-efficiency motor and a dust collector, wherein the low-noise high-efficiency motor comprises a motor component, the motor component comprises a fan cover, a stator component and a movable impeller arranged in the fan cover, and the movable impeller and the fan cover define an air outlet channel; the low-noise high-efficiency motor is further provided with a guide vane assembly matched with the air duct, the guide vane assembly comprises at least two guide vane groups which are arranged up and down along the axis direction of the fan cover, and each guide vane group comprises a plurality of guide vanes which are arranged around the circumference of the fan cover; and in the adjacent guide vane groups, the guide vanes in the guide vane group of the secondary group are configured to separate the wind led in from the guide vane group of the upper group, and at least two groups of the guide vane groups and the stator assembly are arranged on the same side of the movable impeller. The low-noise high-efficiency motor and the dust collector can greatly reduce the noise generated by the motor and improve the efficiency of the motor on the premise of keeping other performances unchanged.
Description
Technical Field
The invention relates to a low-noise high-efficiency motor and a dust collector, and belongs to the field of electric tools.
Background
The noise and efficiency problems of high speed motors are currently major problems, however, the efficiency problems of prior art motors for high speed cleaners are difficult to improve. Moreover, the noise problem of the motor is not ideal on the premise of keeping other performances unchanged, and is particularly prominent in household electric tools such as dust collectors and the like.
Disclosure of Invention
The invention aims to provide a low-noise high-efficiency motor and a dust collector, which can greatly reduce the noise generated by the motor and improve the efficiency of the motor on the premise of keeping other performances unchanged.
In order to achieve the purpose, the invention provides the following technical scheme: a low-noise high-efficiency motor comprises a motor component, wherein the motor component comprises a fan cover, a stator component and a movable impeller arranged in the fan cover, and the movable impeller and the fan cover define an air outlet channel; the low-noise high-efficiency motor is further provided with a guide vane assembly matched with the air duct, the guide vane assembly comprises at least two guide vane groups which are arranged up and down along the axis direction of the fan cover, and each guide vane group comprises a plurality of guide vanes which are arranged around the circumference of the fan cover; and in the adjacent guide vane groups, the guide vanes in the guide vane group of the secondary group are configured to separate the wind led in from the guide vane group of the upper group, and at least two groups of the guide vane groups and the stator assembly are arranged on the same side of the movable impeller.
Further, the number of guide vanes in the guide vane group of the secondary group is larger than that of the guide vanes in the guide vane group of the upper group.
Further, on the circumferential plane of fan housing, adjacent the stator vane assembly, at least some stator vanes in the secondary set of stator vane group set up between two adjacent stator vanes in the upper set of stator vane group.
Furthermore, on the circumferential plane of the fan cover, one or more guide vanes in the secondary guide vane group are arranged between two adjacent guide vanes in the upper guide vane group.
Further, the guide vane assembly comprises a first-stage guide vane group, a second-stage guide vane group and a third-stage guide vane group which are sequentially arranged from top to bottom along the axial direction of the fan cover; on the circumferential plane of fan housing, be equipped with two between two adjacent stator in the one-level stator group the stator in the second grade stator group, be equipped with one between two adjacent stator in the second grade stator group the stator in the third grade stator group.
Furthermore, a plurality of blades are arranged on the movable impeller and used for guiding the air outside the fan cover into the air duct.
Further, the motor assembly further comprises a rotor assembly, the rotor assembly is rotatably mounted on the stator assembly, and the movable impeller is connected with the stator assembly and arranged on the wind shield.
Further, the low-noise high-efficiency motor further comprises a support frame, and the fan cover is installed on the support frame.
Further, the support frame includes the support body and sets up location muscle on the support body, be equipped with the assembly on the support body the bearing of rotor subassembly.
Further, the low-noise high-efficiency motor further comprises a capacitor and a circuit board which are electrically connected with the motor assembly, the capacitor and the circuit board are arranged at the other end of the low-noise high-efficiency motor relative to the fan cover, and the capacitor and the circuit board are arranged at an air outlet of the guide vane assembly.
The invention also provides a dust collector which comprises the low-noise high-efficiency motor.
Compared with the prior art, the invention has the beneficial effects that: the low-noise high-efficiency motor and the dust collector provided by the invention have the advantages that the guide vane groups arranged by matching with the motor air duct are arranged to separate the air led into the motor, so that the air passing through the guide vanes in each guide vane group is gradually reduced, the air outlet of the motor is buffered, the purpose of reducing noise is realized, and meanwhile, the motor efficiency can be improved. Therefore, the low-noise high-efficiency motor and the dust collector can greatly reduce the noise generated by the motor and improve the efficiency of the motor on the premise of keeping other performances unchanged.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
Fig. 1 and 2 are schematic structural views of a low-noise high-efficiency motor according to a first embodiment of the present invention;
FIG. 3 is a schematic diagram of the operation of a vane assembly in the low noise high efficiency electric machine of FIG. 1;
fig. 4 is a schematic structural diagram of a support frame in a motor according to a second embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
It should be noted that: the terms "upper", "lower", "left", "right", "inner" and "outer" of the present invention are used for describing the present invention with reference to the drawings, and are not intended to be limiting terms.
Example one
Referring to fig. 1 to 3, a low-noise and high-efficiency motor according to a preferred embodiment of the present invention includes a housing 1 and a motor assembly at least partially disposed in the housing 1, where the housing 1 is formed by splicing regions, and in this embodiment, the housing 1 is formed by an outer peripheral structure of a fan housing 2 and a vane assembly 4. The motor assembly includes a fan housing 2 and an impeller 3 disposed in the fan housing 2, the impeller 3 and the fan housing 2 define an outlet air, and specifically, the impeller 3 is provided with a plurality of blades 31 for guiding the air outside the fan housing 2 into the air duct 10 along the blades 31. Still be equipped with the cooperation in casing 1 the stator subassembly 4 that wind channel 10 set up, stator subassembly 4 includes at least two sets of edges the guide vane group that sets up from top to bottom in the axis direction of fan housing 2, every group the guide vane group includes a plurality of winds 2 circumference of fan housing sets up the guide vane, and guide vane group and stator module 5 set up in same one side of movable vane wheel 3. Taking fig. 2 as an example, the linear direction of a is the axial direction of the fan housing 2, and the direction of B is the circumferential direction of the fan housing 2. And in the adjacent guide vane groups, the guide vanes in the guide vane group in the secondary group are configured to be used for separating the wind introduced from the guide vane group in the upper group, so as to achieve the purpose of gradually decreasing the wind passing through each guide vane group, thereby achieving the noise reduction of the motor.
In this embodiment, three sets of vane groups are disposed on the circumferential plane of the fan housing 2, and the vane groups are, from top to bottom, from the axial direction thereof: a first-stage guide blade group 41, a second-stage guide blade group 42, and a third-stage guide blade group 43; indeed, in other embodiments, two or more sets of guide vanes may be provided. In the invention, in two adjacent guide vane groups, the guide vane group arranged above is taken as an upper guide vane group, the guide vane group arranged below is taken as a secondary guide vane group, and in order to realize the purpose of gradually decreasing the wind passing through each guide vane group, on the circumferential plane of the wind cover 2, at least part of guide vanes in the secondary guide vane group are arranged between two adjacent guide vanes in the upper guide vane group; preferably, all the guide vanes in the guide vane group of the secondary group are arranged between two adjacent guide vanes in the guide vane group of the upper group. Meanwhile, preferably, the number of guide vanes in the guide vane group of the secondary group is greater than that of the guide vanes in the guide vane group of the upper group.
In this embodiment, two second-stage guide vanes 421 in the second-stage guide vane group 42 are arranged between two adjacent first-stage guide vanes 411 in the first-stage guide vane group 41, one third-stage guide vane 431 in the third-stage guide vane group 43 is arranged between two adjacent second-stage guide vanes 421 in the second-stage guide vane group 42, and preferably, the guide vanes in each guide vane group are uniformly arranged. As shown in fig. 3, after the external air is introduced into the air duct 10 by the movable impeller 3, the formed wind is uniformly divided in the first-stage guide vanes 411, then the wind between two adjacent first-stage guide vanes 411 is divided into three parts by the two second-stage guide vanes 421 disposed therebetween, and then the wind between two adjacent second-stage guide vanes 421 is divided into two parts by the third-stage guide vane 431 disposed therebetween and is led out of the casing 1. Therefore, the wind to be guided out is much smaller than the wind to be guided into the casing 1, and the noise in the motor operation state can be significantly improved. Indeed, in other embodiments, the number and arrangement of the guide vanes in each guide vane group may be selected according to actual conditions.
In this embodiment, the motor assembly further includes a stator assembly 5 and a rotor assembly 6, the rotor assembly 6 is rotatably mounted on the stator assembly 5, and the moving impeller 3 is connected to the stator assembly 5 and disposed on the wind shield 2. The casing 1 is further provided with a support frame 7, the support frame 7 is provided with an annular frame body 71 and a positioning rib 72 for connecting the frame body 71 and the casing 1, and a bearing 73 is arranged in the middle of the frame body 71. The wind shield 2 is mounted on the support frame 7, and the rotor assembly 6 is rotatably mounted on the bearing 73 and is in transmission connection with the stator assembly 5.
In this embodiment, the low-noise high-efficiency motor further includes a capacitor 8 and a circuit board 9 electrically connected to the motor assembly, and the capacitor 8 and the circuit board 9 are disposed at the other end of the housing 1 with respect to the wind cover 2 and remain outside. The wind guided out by the tertiary vane group 43 blows on the capacitor 8 and the circuit board 9 to dissipate heat thereof.
The low-noise high-efficiency motor can obviously enhance the efficiency of the motor by improving the air guide effect. Referring to table 1, the applicant found through multiple sets of experiments that the efficiency of the motor can be increased by providing the first stage guide vane set, the second stage guide vane set and the third stage guide vane set.
TABLE 1
Example two
The low-noise high-efficiency motor of the embodiment is basically the same as the first embodiment, and is different from the first embodiment in that the support frame 2-1 is different in structure. Specifically, referring to fig. 4, as shown in the figure, the support frame 2-1 of the present embodiment includes a bearing seat 2-11 for mounting the bearing 2-2, and a plurality of reinforcing mechanisms 2-12 disposed on the bearing seat 2-11, wherein at least one of the reinforcing mechanisms 2-12 is provided with a concave-convex structure 2-122. Preferably, all the reinforcing means 2-12 are provided with a relief structure 2-122 to facilitate heat dissipation of the bearing 2-2.
Specifically, in this embodiment, the supporting frame 2-1 includes a frame body 2-13, the frame body 2-13 includes the bearing seat 2-11 disposed in the middle and the ring frame 2-14 disposed on the periphery of the bearing seat 2-11, and the reinforcing mechanism 2-12 connects the bearing seat 2-11 and the ring frame 2-14. Hollow areas 2-10 are arranged between adjacent reinforcing mechanisms 2-12, in the embodiment, the number of the reinforcing mechanisms 2-12 is 9, and the 9 reinforcing mechanisms 2-12 are uniformly arranged along the circumferential direction of the bearing seat 2-11. Each of the reinforcing means 2-12 has two opposite faces 2-121 arranged facing the area of the hollowed-out area 2-10, the relief structure 2-122 being arranged on the opposite faces 2-121. Preferably, on each of said reinforcing means 2-12, said relief structure 2-122 is alternately arranged on two of said opposite faces 2-121, i.e. in a wave shape. And, the concave-convex structures 2-122 are preferably circular grooves, and by adopting the circular grooves, the contact area with air can be greatly increased, so as to increase the heat dissipation efficiency. The two opposite surfaces 2-121 of each of the reinforcing mechanisms 2-12 are provided with 9 circular grooves, and indeed, in other embodiments, the arrangement positions and the number of the reinforcing mechanisms 2-12 and the shapes and the number of the concave-convex structures 2-122 can be selected according to actual situations.
In this embodiment, the reinforcing mechanisms 2 to 12 are reinforcing ribs, and the reinforcing mechanisms 2 to 12 are made of an aluminum alloy material, so that the reinforcing mechanisms have good thermal conductivity and a good shock absorption effect.
Tests show that compared with the existing support frame 2-1, the support frame 2-1 of the embodiment can reduce the temperature of the bearing 2-2 by more than 6 degrees.
This embodiment sets up strengthening mechanism through setting up on the bearing frame to set up concave-convex structure on strengthening mechanism and increase the area of contact with the air, can discharge the heat that the bearing gived off with this reduction bearing's operating temperature effectively with lower cost, improve the bearing life, thereby improve the life of motor complete machine.
The low-noise high-efficiency motor can be applied to household electric tools such as fans, dust collectors and the like.
The invention also provides a dust collector which comprises the low-noise high-efficiency motor shown in the previous embodiment, and other structures are the prior art and are not described herein.
In summary, the following steps: the low-noise high-efficiency motor and the dust collector provided by the invention have the advantages that the guide vane groups arranged by matching with the motor air duct are arranged to separate the air introduced into the motor shell, so that the air passing through the guide vanes in each guide vane group is gradually reduced, the air outlet of the motor is buffered, the purpose of reducing noise is realized, and meanwhile, the motor efficiency can be improved. Therefore, the low-noise high-efficiency motor and the dust collector can greatly reduce the noise generated by the motor and improve the efficiency of the motor on the premise of keeping other performances unchanged.
And, set up reinforcing mechanism through setting up on the bearing frame to set up concave-convex structure on reinforcing mechanism and increase the area of contact with the air, can discharge the heat that the bearing gived off with this reduction bearing's operating temperature effectively with lower cost, improve the bearing life, thereby improve the life of motor complete machine.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A low-noise high-efficiency motor comprises a motor component, wherein the motor component comprises a fan cover, a stator component and a movable impeller arranged in the fan cover, and the movable impeller and the fan cover define an air outlet channel; the low-noise high-efficiency motor is characterized by further comprising a guide vane assembly matched with the air duct, the guide vane assembly comprises at least two guide vane groups arranged up and down along the axis direction of the fan cover, and each guide vane group comprises a plurality of guide vanes arranged around the circumferential direction of the fan cover; at least two sets of guide vane group and stator module set up in the same side of movable vane wheel.
2. The low noise, high efficiency electric machine of claim 1 wherein the number of vanes in the secondary set of vane sets is greater than the number of vanes in the upper set of vane sets.
3. A low noise, high efficiency electric machine as claimed in claim 2 wherein, in the circumferential plane of said fan housing, there are one or more vanes in said secondary set of vane sets between two adjacent vanes in said upper set of vane sets.
4. The low-noise high-efficiency motor according to claim 1, wherein the guide vane assembly comprises a first-stage guide vane group, a second-stage guide vane group and a third-stage guide vane group which are arranged in sequence from top to bottom along the axial direction of the fan cover; the guide vanes in the first-stage guide vane group, the second-stage guide vane group and the third-stage guide vane group are increased in number in sequence.
5. The low noise and high efficiency motor of claim 1, wherein said impeller has a plurality of blades for guiding air outside said fan housing into said air duct.
6. A low noise, high efficiency motor as defined in claim 1, wherein said motor assembly further comprises a rotor assembly rotatably mounted to said stator assembly, said impeller being connected to said stator assembly and disposed on said shroud.
7. The low noise, high efficiency motor of claim 6 further comprising a support frame, said fan housing being mounted to said support frame.
8. The low-noise high-efficiency motor according to claim 7, wherein the supporting frame comprises a frame body and positioning ribs arranged on the frame body, and the frame body is provided with a bearing for assembling the rotor assembly.
9. The low noise high efficiency motor of claim 1 further comprising a capacitor and a circuit board electrically connected to the motor assembly, the capacitor and circuit board being disposed at the other end of the low noise high efficiency motor relative to the fan housing, and the capacitor and circuit board being disposed at the outlet of the vane assembly.
10. A vacuum cleaner comprising a low noise and high efficiency motor according to any one of claims 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010070520.5A CN111407185A (en) | 2020-01-21 | 2020-01-21 | Low-noise efficient motor and dust collector |
| PCT/CN2021/072680 WO2021147849A1 (en) | 2020-01-21 | 2021-01-19 | Low-noise efficient motor and vacuum cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010070520.5A CN111407185A (en) | 2020-01-21 | 2020-01-21 | Low-noise efficient motor and dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111407185A true CN111407185A (en) | 2020-07-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010070520.5A Pending CN111407185A (en) | 2020-01-21 | 2020-01-21 | Low-noise efficient motor and dust collector |
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| Country | Link |
|---|---|
| CN (1) | CN111407185A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1031705A (en) * | 1949-12-12 | 1953-06-25 | Havilland Engine Co Ltd | Improvements to centrifugal compressors |
| JPH11173296A (en) * | 1997-12-11 | 1999-06-29 | Ebara Corp | Diffuser device for pump |
| JP2010281232A (en) * | 2009-06-03 | 2010-12-16 | Panasonic Corp | Electric blower and vacuum cleaner having the same |
| CN106089807A (en) * | 2016-06-28 | 2016-11-09 | 中国科学院工程热物理研究所 | A kind of diffuser based on fractal blade |
| CN206686030U (en) * | 2017-04-28 | 2017-11-28 | 广东威灵电机制造有限公司 | Integrated motor and there are its household electrical appliance |
| CN206785668U (en) * | 2017-04-28 | 2017-12-22 | 广东威灵电机制造有限公司 | Blower fan system and electric device |
| CN107781176A (en) * | 2017-11-30 | 2018-03-09 | 浙江颐顿机电有限公司 | A kind of stacked Multi-layer centrifugal formula blower fan |
| CN109340187A (en) * | 2018-10-08 | 2019-02-15 | 江苏美的清洁电器股份有限公司 | Impeller, blower and dust catcher are determined for dust catcher |
| CN109589042A (en) * | 2018-12-29 | 2019-04-09 | 江苏美的清洁电器股份有限公司 | For the motor cover of dust catcher, the motor mould group of dust catcher and dust catcher |
| CN212015462U (en) * | 2020-01-21 | 2020-11-27 | 追创科技(苏州)有限公司 | Low-noise efficient motor and dust collector |
-
2020
- 2020-01-21 CN CN202010070520.5A patent/CN111407185A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1031705A (en) * | 1949-12-12 | 1953-06-25 | Havilland Engine Co Ltd | Improvements to centrifugal compressors |
| JPH11173296A (en) * | 1997-12-11 | 1999-06-29 | Ebara Corp | Diffuser device for pump |
| JP2010281232A (en) * | 2009-06-03 | 2010-12-16 | Panasonic Corp | Electric blower and vacuum cleaner having the same |
| CN106089807A (en) * | 2016-06-28 | 2016-11-09 | 中国科学院工程热物理研究所 | A kind of diffuser based on fractal blade |
| CN206686030U (en) * | 2017-04-28 | 2017-11-28 | 广东威灵电机制造有限公司 | Integrated motor and there are its household electrical appliance |
| CN206785668U (en) * | 2017-04-28 | 2017-12-22 | 广东威灵电机制造有限公司 | Blower fan system and electric device |
| CN107781176A (en) * | 2017-11-30 | 2018-03-09 | 浙江颐顿机电有限公司 | A kind of stacked Multi-layer centrifugal formula blower fan |
| CN109340187A (en) * | 2018-10-08 | 2019-02-15 | 江苏美的清洁电器股份有限公司 | Impeller, blower and dust catcher are determined for dust catcher |
| CN109589042A (en) * | 2018-12-29 | 2019-04-09 | 江苏美的清洁电器股份有限公司 | For the motor cover of dust catcher, the motor mould group of dust catcher and dust catcher |
| CN212015462U (en) * | 2020-01-21 | 2020-11-27 | 追创科技(苏州)有限公司 | Low-noise efficient motor and dust collector |
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Application publication date: 20200714 |