CN110336440A - A kind of dust catcher brushless motor - Google Patents
A kind of dust catcher brushless motor Download PDFInfo
- Publication number
- CN110336440A CN110336440A CN201910383521.2A CN201910383521A CN110336440A CN 110336440 A CN110336440 A CN 110336440A CN 201910383521 A CN201910383521 A CN 201910383521A CN 110336440 A CN110336440 A CN 110336440A
- Authority
- CN
- China
- Prior art keywords
- deflector
- brushless motor
- dust catcher
- motor according
- silicon steel
- 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.)
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Classifications
-
- 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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Brushless Motors (AREA)
Abstract
The invention discloses a kind of dust catcher brushless motors, it include bracket, rotor assembly and stator module are equipped in the bracket, wiring board is fixed on the bracket, the lower end of the rotor assembly is fixed with movable vane wheel, fan housing is covered with outside the movable vane wheel, inducer is provided between the lower part of the stator module and the fan housing, the inducer is located at the top of the movable vane wheel, the inducer includes wheel body and the deflector that is set on wheel body outer wall, the deflector is in curved arcuate structure to the right, the lower end of the deflector is perpendicular to wheel body outer wall, the upper end of the deflector is obliquely installed compared with the right side that is facing perpendicularly to of wheel body outer wall, the surface of the deflector is smooth spiral cambered surface, air-guiding aisle is formed between adjacent baffle.The present invention has the advantages that structurally reasonable, gettering efficiency is high.
Description
Technical field
The present invention relates to dust catcher manufacturing field, specifically a kind of dust catcher brushless motor.
Background technique
Dust catcher is to drive blower high speed rotation using motor, makes to be formed outside parital vacuum, with dust storage chamber in dust storage chamber
It forms draught head and generates air-flow, dust sucks in dust storage chamber with air-flow, and through filtering, dust is resided in dust storage chamber, arranges
Pure air out.
Therefore, 1. structures of motor will directly affect the suction and gettering efficiency of dust catcher, and then influence dust catcher
Efficiency value.
For motor of dust collector in order to improve gettering efficiency, more designs have flow-guiding structure, the flow-guiding structure of existing motor of dust collector
It is set between movable vane wheel and fan housing, and flow-guiding channel is simple vertical channel or simple curved channel, such as application number
It is 201710202140.0, the patent application of entitled " a kind of brushless motor " is that wind-guiding is arranged between movable vane wheel and fan housing
Wheel.
(inducer is set between movable vane wheel and fan housing the flow-guiding structure of existing motor of dust collector, the arc-shaped knot of deflector
Structure) by testing, (existing domestic vacuum cleaners mostly use 20mm internal diameter tube to the snorkel of motor connection 20mm internal diameter in test process
As ventilation connecting tube), test results are shown in figure 10, when test opening is 13mm, efficiency value highest, efficiency at this moment
Value is 48.09；We are it can be found that it reaches efficiency peak when opening is 13mm from test result, and snorkel is interior
Diameter is 20mm, illustrates that the ventilation quantity of snorkel is not fully utilized, and therefore, existing motor of dust collector structure and efficiency value are also
There is the space further promoted.
Summary of the invention
It is an object of the present invention to make up above-mentioned deficiency, Xiang Shehui open structure is reasonable, a kind of high dust suction of gettering efficiency
Device brushless motor.
The technical scheme of the present invention is realized as follows:
A kind of dust catcher brushless motor, includes bracket, and rotor assembly and stator module are equipped in the bracket, described
Bracket on be fixed with wiring board, the lower end of the rotor assembly is fixed with movable vane wheel, is covered with fan housing outside the movable vane wheel, institute
It is provided with inducer between the lower part for the stator module stated and the fan housing, which is located at the top of the movable vane wheel, institute
The inducer stated includes wheel body and the deflector that is set on wheel body outer wall, and the deflector is in curved arc to the right
Structure, perpendicular to wheel body outer wall, the upper end of the deflector is facing perpendicularly to compared with wheel body outer wall for the lower end of the deflector
Right side is obliquely installed, and the surface of the deflector is smooth spiral cambered surface, forms air-guiding aisle between adjacent baffle.
The measure for advanced optimizing the technical program is:
The lower section of adjacent baffle upper end, the uptake of the air-guiding aisle and lower air port are protruded into the lower end of the deflector
It is arranged in a staggered manner.
The lower end tail portion of the deflector is in a horizontal state.
Sealing ring, the sealing chimeric with the sealing ring of the lower end of the movable vane wheel are equipped in the fan housing.
The upper end of the inducer is provided with assembling groove, and the lower end inserting of the bracket is in the assembling groove.
The stator module includes the stator core as made of multilayer silicon steel plate stacking and is wound on stator core
Coil, the silicon steel sheet are formed by the identical silicon steel block fixation of three block structures, the silicon steel block include outer yoke portion and around
Line portion, the winding section are set to the center in the outer yoke portion, and the one end in the outer yoke portion is provided with male part, described
The other end in outer yoke portion is provided with inner fovea part compatible with the male part, uses after the male part and inner fovea part split
Laser Welding is fixed.
The male part is trapezium structure, and the apex angle of the trapezium structure is arcuate structure, the trapezium structure
Base angle and the outer yoke portion end between use arc-shaped transition.
The inner end of the winding section has extended to form interior arc portion to two sides.
The outer side center in the outer yoke portion is formed respectively with limiting groove.
The silicon steel sheet is in regular hexagon structure.
Compared with the prior art, the advantages of the invention are
Dust catcher brushless motor of the invention is provided with inducer between the lower part and fan housing of stator module, the wind-guiding
Wheel is located at the top of movable vane wheel, has adjusted the position of inducer, and the deflector of inducer is led in curved arcuate structure to the right
The lower end of flowing plate is obliquely installed perpendicular to wheel body outer wall, the upper end of deflector compared with the right side that is facing perpendicularly to of wheel body outer wall, deflector
Surface be smooth spiral cambered surface, make wind when passing through air-guiding aisle using such structure deflector, air can not only be made to produce
Raw circumferential eddy flow, forms vortex, in each channel so as to improve the gettering efficiency of dust catcher；Through detecting, using this
Dust catcher brushless motor, reaches efficiency peak when being open 19mm, and efficiency value is up to 52.58.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the portion A enlarged drawing in Fig. 1；
Fig. 3 is decomposition diagram of the invention；
Fig. 4 is the structural schematic diagram of inducer in Fig. 3；
Fig. 5 is the structural schematic diagram of silicon steel sheet in the present invention；
Fig. 6 is the structural schematic diagram of silicon steel block in Fig. 5；
Fig. 7 is the portion B enlarged drawing in Fig. 6；
Fig. 8 is silicon steel sheet of the present invention and monoblock type silicon steel material utilization rate comparison diagram；
Fig. 9 is brushless motor gettering efficiency test result figure of the present invention；
Figure 10 is existing structure brushless motor gettering efficiency test result figure.
Specific embodiment
The title of each appended drawing reference is in attached drawing of the present invention:
Bracket 1, rotor assembly 2, stator module 3, stator core 31, coil 32, wiring board 4, movable vane wheel 5, fan housing 6, sealing ring
61, inducer 7, assembling groove 7a, wheel body 71, deflector 72, air-guiding aisle 73, uptake 73a, lower air port 73b, silicon steel sheet 8,
Silicon steel block 9, outer yoke portion 91, male part 91a, inner fovea part 91b, limiting groove 91c, winding section 92, interior arc portion 92a.
The present invention is described in further detail with reference to the accompanying drawing:
A kind of dust catcher brushless motor includes bracket 1, is equipped with rotor assembly 2 and stator module 3 in the bracket 1,
Wiring board 4 is fixed on the bracket 1, the lower end of the rotor assembly 2 is fixed with movable vane wheel 5, is provide with outside the movable vane wheel 5
There is fan housing 6, be provided with inducer 7 between the lower part and the fan housing 6 of the stator module 3, which is located at described dynamic
The top of impeller 5, the inducer 7 include wheel body 71 and the deflector 72 that is set on 71 outer wall of wheel body, and described leads
Flowing plate 72 is in curved arcuate structure to the right, and the lower end of the deflector 72 is perpendicular to 71 outer wall of wheel body, the water conservancy diversion
The upper end of plate 72 is obliquely installed compared with the right side that is facing perpendicularly to of 71 outer wall of wheel body, and the surface of the deflector 72 is smooth helical arc
Face forms air-guiding aisle 73 between adjacent baffle 72.
The lower section of 72 upper end of adjacent baffle, the windward of the air-guiding aisle 73 are protruded into the lower end of the deflector 72
Mouth 73a and lower air port 73b is arranged in a staggered manner.
The lower end tail portion of the deflector 72 is in a horizontal state.
Sealing ring 61 is equipped in the fan housing 6, the lower end of the movable vane wheel 5 and the sealing ring 61 are chimeric close
Envelope.
The upper end of the inducer 7 is provided with assembling groove 7a, and the lower end inserting of the bracket 1 is in the assembling groove
In 7a.
The stator module 3 includes the stator core 31 being overrided to form by multilayer silicon steel sheet 8 and is wound in stator core
Coil 32 on 31, the silicon steel sheet 8 are formed by the identical fixation of silicon steel block 9 of three block structures, and the silicon steel block 9 includes
Outer yoke portion 91 and winding section 92, the winding section 92 are set to the center in the outer yoke portion 91, and the one of the outer yoke portion 91
End is provided with male part 91a, and the other end in the outer yoke portion 91 is provided with inner fovea part compatible with the male part 91a
It is fixed after 91b, the male part 91a and inner fovea part 91b split using Laser Welding.
As shown in fig. 7, the male part 91a is trapezium structure, the apex angle of the trapezium structure is arcuate structure, institute
Arc-shaped transition is used between the base angle for the trapezium structure stated and the end in the outer yoke portion 91.
The inner end of the winding section 92 has extended to form interior arc portion 92a to two sides.
The outer side center in the outer yoke portion 91 is formed respectively with limiting groove 91c.
The silicon steel sheet 8 is in regular hexagon structure.
The brushless single machine of dust catcher uses three-phase electricity, needs three groups of coils 32 of coiling, silicon steel of the invention on stator core
Piece 8 is formed by the identical fixation of silicon steel block 9 of three block structures, and one group of coil 32 of coiling is distinguished in the winding section 92 of three pieces of silicon steel blocks 9, is adopted
With split type structure, the outer yoke of peripheral annular is decomposed into three parts, is also exposed to winding section 92 and (avoids 92 quilt of winding section outside
In outer yoke is enclosed in), facilitate the coiling of coil 32.
Three pieces of 9 structures of silicon steel block of separate structure are identical, improve the uniformity of component, facilitate processing, storage whole
Reason.
Stock utilization compares:
As shown in figure 8, needing side length is the original of 50.61MM if production complete structure silicon steel sheet, is made of square raw material
Material, raw material area 2561.37mm2；It is made of round raw material, needing diameter is the raw material of 50.61MM, former material
Charge level product is 2010.68mm2, silicon steel plate is fabricated to round raw material, equally will cause the waste of part raw material.
And the silicon steel sheet of the split type structure in the present invention is made, using a length of 86.25mm, width is the rectangle of 21.04mm
Raw material can produce three pieces of silicon steel blocks 9, and raw material area is 1814.7 mm2, more above-mentioned round raw material few 9%,
More above-mentioned square raw material 29%.
Dimensions above data are as obtained by CAD software measurement.
Above utilization rate of raw materials compares, and only considers to make single silicon steel sheet；Three pieces of 9 structures of silicon steel block are identical, production
When silicon steel block 9, it can continuously be made on the raw material plate of strip, the utilization of raw material can be further increased in this way
Rate, therefore the separate structure in the present invention can greatly improve the utilization rate of raw material, reduce production cost.
Brushless motor of the invention has adjusted the position of inducer 7, using between the lower part of stator module 3 and fan housing 6
It is provided with inducer 7, which is located at the top of the movable vane wheel 5, the not only arc-shaped structure, but also tool of deflector 72
There is micro- helical structure, the lower end of deflector 72 is perpendicular to 71 outer wall of wheel body, and the upper end of deflector 72 is vertical compared with 71 outer wall of wheel body
It faces directly and is obliquely installed to the right, using the inducer 7 of such structure, when not only causing air flow through, circumferential eddy flow can be generated,
And it is capable of forming vortex in each air-guiding aisle 73, to improve the gettering efficiency of brushless motor.
In addition, the uptake 73a of air-guiding aisle 73 and lower air port 73b are arranged in a staggered manner, the uptake of air-guiding aisle 73 is avoided
73a and lower air port 73b is straight-through, enhances and generates eddy flow motive force, can further increase gettering efficiency.
Under the same test conditions, connect the snorkel of 20mm internal diameter, test brushless motor of the present invention gettering efficiency and
Existing structure brushless motor (inducer is set between movable vane wheel and fan housing, the arc-shaped structure of deflector), test result such as Fig. 9
(brushless motor test result of the present invention) and Figure 10 are (shown in the test of existing structure brushless motor.
By comparing it can be found that brushless motor of the present invention reaches efficiency peak, peak efficiency value when being open 19mm
Up to 52.58；And existing structure brushless motor reaches efficiency peak when being open 13mm, peak efficiency value is 48.09.
The corresponding openings of sizes in efficiency value peak of the invention can utilize the logical of snorkel close to the internal diameter of snorkel
Tolerance avoids the waste of ventilatory capacity.
In very mature dust catcher mechanism, it is all very difficult for the gettering efficiency of motor capable of being improved 1%
, its efficiency value of brushless motor structure of the invention improves more than 4%, this will greatly facilitate the promotion of dust catcher performance.
Highly preferred embodiment of the present invention has been elucidated with, and the various change or remodeling made by those of ordinary skill in the art are all
It is without departing from the scope of the invention.
Claims (10)
1. a kind of dust catcher brushless motor includes bracket (1), it is equipped with rotor assembly (2) in the bracket (1) and determines
Sub-component (3) is fixed with wiring board (4) on the bracket (1), and the lower end of the rotor assembly (2) is fixed with movable vane wheel
(5), fan housing (6) are covered with outside the movable vane wheel (5), it is characterised in that: the lower part of the stator module (3) and the fan housing
(6) inducer (7) are provided between, which is located at the top of the movable vane wheel (5), and the inducer (7) includes
The deflector (72) for having wheel body (71) and being set on wheel body (71) outer wall, the deflector (72) is in curved arc to the right
Shape structure, the lower end of the deflector (72) is perpendicular to wheel body (71) outer wall, and the upper end of the deflector (72) is compared with wheel body
(71) right side that is facing perpendicularly to of outer wall is obliquely installed, and the surface of the deflector (72) is smooth spiral cambered surface, adjacent guide
Air-guiding aisle (73) are formed between plate (72).
2. a kind of dust catcher brushless motor according to claim 1, it is characterised in that: under the deflector (72)
The lower section of adjacent baffle (72) upper end is protruded at end, and the uptake (73a) of the air-guiding aisle (73) and lower air port (73b) are wrong
It opens up and sets.
3. a kind of dust catcher brushless motor according to claim 2, it is characterised in that: under the deflector (72)
End tail portion is in a horizontal state.
4. a kind of dust catcher brushless motor according to claim 3, it is characterised in that: set in the fan housing (6)
Have sealing ring (61), the sealing chimeric with the sealing ring (61) of the lower end of the movable vane wheel (5).
5. a kind of dust catcher brushless motor according to claim 4, it is characterised in that: the inducer (7) it is upper
End is provided with assembling groove (7a), and the lower end inserting of the bracket (1) is in the assembling groove (7a).
6. a kind of dust catcher brushless motor according to claim 5, it is characterised in that: stator module (3) packet
The coil (32) for including the stator core (31) being overrided to form by multilayer silicon steel sheet (8) and being wound on stator core (31), it is described
Silicon steel sheet (8) formed by identical silicon steel block (9) fixation of three block structures, the silicon steel block (9) includes outer yoke portion (91)
With winding section (92), the winding section (92) are set to the center of the outer yoke portion (91), and the one of the outer yoke portion (91)
End is provided with male part (91a), and the other end of the outer yoke portion (91) is provided in compatible with the male part (91a)
It is fixed after recess portion (91b), the male part (91a) and inner fovea part (91b) split using Laser Welding.
7. a kind of dust catcher brushless motor according to claim 6, it is characterised in that: the male part (91a) is
Trapezium structure, the apex angle of the trapezium structure are arcuate structure, the base angle of the trapezium structure and the outer yoke portion (91)
End between use arc-shaped transition.
8. a kind of dust catcher brushless motor according to claim 7, it is characterised in that: the winding section (92) it is interior
It holds to two sides and has extended to form interior arc portion (92a).
9. a kind of dust catcher brushless motor according to claim 8, it is characterised in that: outside the outer yoke portion (91)
Side center is formed respectively with limiting groove (91c).
10. a kind of dust catcher brushless motor according to claim 9, it is characterised in that: the silicon steel sheet (8) is in just
Hexagonal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910383521.2A CN110336440B (en) | 2019-05-09 | 2019-05-09 | Brushless motor for dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910383521.2A CN110336440B (en) | 2019-05-09 | 2019-05-09 | Brushless motor for dust collector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110336440A true CN110336440A (en) | 2019-10-15 |
| CN110336440B CN110336440B (en) | 2020-08-11 |
Family
ID=68140070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910383521.2A Active CN110336440B (en) | 2019-05-09 | 2019-05-09 | Brushless motor for dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110336440B (en) |
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| WO2001042653A1 (en) * | 1999-12-10 | 2001-06-14 | Medquest Products, Inc. | Electromagnetically suspended and rotated centrifugal pumping apparatus and method |
| CN1495366A (en) * | 2002-09-20 | 2004-05-12 | ���µ�����ҵ��ʽ���� | Electric fan and electric dust collector using said fan |
| CN1724878A (en) * | 2004-07-20 | 2006-01-25 | Lg电子株式会社 | Centrifugal fan and vacuum cleaner having the centrifugal fan |
| CN205753683U (en) * | 2016-05-23 | 2016-11-30 | 阜新德尔汽车部件股份有限公司 | Electric hydraulic power-assisted steering system motor block-partitioned type stator iron core structure |
| CN205882888U (en) * | 2016-08-11 | 2017-01-11 | 苏州永捷电机有限公司 | Efficient D type motor for dust catcher |
| CN206452196U (en) * | 2017-01-21 | 2017-08-29 | 浙江悍马光电设备有限公司 | A kind of brushless motor of dust collector |
| CN206668619U (en) * | 2017-04-18 | 2017-11-24 | 苏州普发机电有限公司 | A kind of blower of cleaner determines impeller |
| CN207554429U (en) * | 2017-12-12 | 2018-06-29 | 江苏美的清洁电器股份有限公司 | Determine impeller and with its wind turbine, dust catcher |
| CN108521210A (en) * | 2018-06-12 | 2018-09-11 | 鲍真 | A kind of brshless DC motor for dust catcher |
| CN109236737A (en) * | 2018-11-23 | 2019-01-18 | 常州朗奇威电器有限公司 | A kind of centrifugal impeller for motor radiating |
-
2019
- 2019-05-09 CN CN201910383521.2A patent/CN110336440B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001042653A1 (en) * | 1999-12-10 | 2001-06-14 | Medquest Products, Inc. | Electromagnetically suspended and rotated centrifugal pumping apparatus and method |
| CN1495366A (en) * | 2002-09-20 | 2004-05-12 | ���µ�����ҵ��ʽ���� | Electric fan and electric dust collector using said fan |
| CN1724878A (en) * | 2004-07-20 | 2006-01-25 | Lg电子株式会社 | Centrifugal fan and vacuum cleaner having the centrifugal fan |
| CN205753683U (en) * | 2016-05-23 | 2016-11-30 | 阜新德尔汽车部件股份有限公司 | Electric hydraulic power-assisted steering system motor block-partitioned type stator iron core structure |
| CN205882888U (en) * | 2016-08-11 | 2017-01-11 | 苏州永捷电机有限公司 | Efficient D type motor for dust catcher |
| CN206452196U (en) * | 2017-01-21 | 2017-08-29 | 浙江悍马光电设备有限公司 | A kind of brushless motor of dust collector |
| CN206668619U (en) * | 2017-04-18 | 2017-11-24 | 苏州普发机电有限公司 | A kind of blower of cleaner determines impeller |
| CN207554429U (en) * | 2017-12-12 | 2018-06-29 | 江苏美的清洁电器股份有限公司 | Determine impeller and with its wind turbine, dust catcher |
| CN108521210A (en) * | 2018-06-12 | 2018-09-11 | 鲍真 | A kind of brshless DC motor for dust catcher |
| CN109236737A (en) * | 2018-11-23 | 2019-01-18 | 常州朗奇威电器有限公司 | A kind of centrifugal impeller for motor radiating |
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| Publication number | Publication date |
|---|---|
| CN110336440B (en) | 2020-08-11 |
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