CN105406644B - A kind of digital induced-draught electric motor - Google Patents
A kind of digital induced-draught electric motor Download PDFInfo
- Publication number
- CN105406644B CN105406644B CN201510948221.6A CN201510948221A CN105406644B CN 105406644 B CN105406644 B CN 105406644B CN 201510948221 A CN201510948221 A CN 201510948221A CN 105406644 B CN105406644 B CN 105406644B
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- China
- Prior art keywords
- drive end
- bearing bracket
- kuppe
- electric machine
- machine casing
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Classifications
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- 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
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- 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
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a kind of digital induced-draught electric motor, the front end of electric machine casing is provided with drive end bearing bracket, fan assembly is installed on the outside of drive end bearing bracket including electric machine casing and in electric machine casing stator assembly and rotor assembly.The kuppe of a tubular is fixed with electric machine casing.The upper end of the kuppe is fixedly connected with the inside of drive end bearing bracket, is formed with the flow deflector being spaced apart in the outer surface of kuppe.Flow deflector is engaged with the inwall of electric machine casing, constitutes diversion air duct between flow deflector.The inside of kuppe is stator assembly and rotor assembly fixedly mounted on.The digital induced-draught electric motor can be prevented effectively from the suction impact of aqueous vapor and micronic dust to motor internal, even if motor long-time is used also effectively can increase the service life and operational efficiency.
Description
Technical field
The present invention relates to a kind of brushless electric machine for electrical equipment such as vacuum cleaner, hand dryers, specifically a kind of digital suction
Wind turbine.
Background technology
With the raising of quality of the life, the use of vacuum cleaner is also more and more universal.Vacuum cleaner has dry suction dust suction by species point
Device and Wet-dry vacuum cleaner, and motor of dust collector is the heart of vacuum cleaner.Motor of dust collector mainly has two parts to constitute：Motor
Part and fan section.Motor of dust collector is very high to rotation speed requirements, with the development of motor technology, has the motor of brush configuration gradually
Cannot meet the requirement of existing vacuum cleaner, and brushless motor speed is high, small volume, easy care, applies increasingly in vacuum cleaner
Extensively.
Patent of invention title：A kind of brushless electric machine for vacuum cleaner, number of patent application：201310024896.2 disclose
A kind of brushless electric machine for vacuum cleaner, including controller, commutator, is embedded with the stator core of winding and in stator core
The rotor core in portion and the housing for consolidating the stator core and the rotor core, are embedded with the stator core
Winding described in three groups, in the middle part of the rotor core, periphery sintering has rubidium ferrum boron magnet steel, the adjacent magnet steel to point to axis and be located
The magnetic pole in direction is different, and the magnet steel periphery is provided with stainless stirrup, and the controller includes driver and position detection chip, institute
Stating commutator includes transformator and AC/DC changeover switch.The patent effectively increases motor in outer rotor in interior mode using stator
Rotating speed, detects motor position using position detection chip, effectively increases the precision of position detection.
As vacuum cleaner is to produce pull of vacuum by motor-driven blower fan, air-flow is made to enter from vacuum cleaner suction inlet,
Separation device of sewage discharge and blower fan is flowed through, then the airflow exhaust outlet from motor is discharged.When vacuum cleaner works, unavoidable suction is moist
Aqueous vapor, and after the separated device of dirt is separated, cannot guarantee that all fine solid particles can be isolated in outside blower fan.Existing suction
After dirt device long-time use, fine solid particle sucks motor through blower fan, can tire out inside fan blade, air channel and on motor circuit plate
Product, had both affected the operational efficiency of blower fan, and can also affect the circuit board service life of motor internal.
Content of the invention
The technical problem to be solved is for above-mentioned state of the art, and provides a kind of digital air draught electricity
Machine, can be prevented effectively from the suction impact of aqueous vapor and micronic dust to motor internal, be used using rear effective prolongation in motor long-time
Life-span and operational efficiency.
The present invention solve the technical scheme that adopted of above-mentioned technical problem for：A kind of digital induced-draught electric motor, including motor casing
Body and in electric machine casing stator assembly and rotor assembly, the front end of electric machine casing is provided with drive end bearing bracket, in front end
Fan assembly is installed on the outside of lid.The kuppe of a tubular is fixed with electric machine casing.The upper end of the kuppe with
Be fixedly connected on the inside of drive end bearing bracket, the flow deflector being spaced apart is formed with the outer surface of kuppe.Flow deflector is interior with electric machine casing
Wall is engaged, and constitutes diversion air duct between flow deflector.The inside of kuppe is stator assembly and rotor assembly fixedly mounted on.
For optimizing above-mentioned technical proposal, present invention additionally comprises improved technical scheme below.
Above-mentioned fan assembly includes being fixed on the blade cover on the outside of drive end bearing bracket, and be arranged on drive end bearing bracket and blade cover it
Between and the fan blade that is connected with rotor assembly.
The center of above-mentioned blade cover is formed with wind inlet.The outer wall of the drive end bearing bracket is integrally formed with multiple wind being spaced apart
Leaf cover support chip, the inwall of blade cover are fixedly connected with blade cover support chip.Gap between blade cover support chip constitutes first
Air intake passage.Fan blade is arranged on the inside of blade cover support chip, and air-flow is sucked from wind inlet, and flows through the through fan blade rotation driving
One air intake passage.
The periphery of above-mentioned drive end bearing bracket is integrally formed with multiple drive end bearing bracket support chips, in the drive end bearing bracket support chip and electric machine casing
Wall is fixedly connected.The second air intake passage being connected with diversion air duct is provided between drive end bearing bracket support chip.Drive end bearing bracket support chip is
Fixed drive end bearing bracket can be played a part of, air-flow can be facilitated again to pass through, the compact conformation of drive end bearing bracket is made, reduce motor entirety body
Product.
The rear end of above-mentioned electric machine casing is fixed with rear end cap, and rear end cap is formed with the fixed interface being connected with electric machine casing,
The air outlet being connected with diversion air duct is provided between fixed interface.
Above-mentioned stator module includes the stator installation seat for being fixed on kuppe inwall, is fixed on determining on stator installation seat
Sub- iron core and stator coil, the circuit board being fixedly connected with stator installation seat.
The inwall of above-mentioned kuppe is formed with the first bayonet socket, and stator installation seat is fixed on the first bayonet socket.
Above-mentioned circuit board is provided with heat sink, and kuppe inwall is formed with the second bayonet socket, and the heat sink of circuit board is arranged on
In second bayonet socket.
Above-mentioned rotor assembly includes rotating shaft and the rotor being fixed in rotating shaft.The integral middle of drive end bearing bracket is formed with bearing peace
Encapsulation, axis of rotation is in bearing mounting sleeve.The roller end of protruding drive end bearing bracket is fixedly connected with fan blade.Rotating shaft position
The rotor with rotor yoke is installed with the position of stator core side.
Above-mentioned bearing mounting sleeve is fixed with bearing holder (housing, cover), and bearing is arranged with the clutch shaft bearing at two intervals and second bearing,
Spring is provided between clutch shaft bearing and second bearing.
Compared with prior art, a kind of digital induced-draught electric motor of the invention, is guided inside electric machine casing by kuppe
Air-flow, overcomes, and reduces the technical problem of air-flow suction.
And micronic dust and aqueous vapor that kuppe effectively completely cuts off in suction airflow, it is to avoid micronic dust and aqueous vapor pollution rotor assembly and stator pack
Part, improves motor service life.Due to having used flow deflector, air-flow to greatly improve through the speed of diversion air duct, not only play
The effect of guiding air-flow, also effectively increases heat exchanger effectiveness, makes stator module pass through kuppe quick heat radiating.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the embodiment of the present invention.
Fig. 2 is the profile of Fig. 1.
Fig. 3 is the assembling decomposing schematic representation of Fig. 1.
Fig. 4 is the structural representation of kuppe in Fig. 3.
Fig. 5 is the profile of Fig. 4.
Fig. 6 is the profile after Fig. 5 is rotated by 90 °.
Specific embodiment
Embodiments of the invention are described in further detail below in conjunction with accompanying drawing.
Fig. 1 to Fig. 6 show the structural representation of the present invention.
Reference therein is：Electric machine casing 1, drive end bearing bracket 11, blade cover support chip 11a, drive end bearing bracket support chip 11b,
Bearing mounting sleeve 11c, the first air intake passage 12, the second air intake passage 13, rear end cap 14, fixed interface 14a, air outlet 15, lead
Stream cover 2, flow deflector 2a, diversion air duct 21, the first bayonet socket 22, limiting section 22a, the second bayonet socket 23, blade cover 3, fan blade 31, air draught
Hole 32, stator installation seat 4, stator core 41, stator coil 42, circuit board 43, heat sink 44, rotating shaft 5, rotor 51, bearing holder (housing, cover)
52nd, clutch shaft bearing 53, second bearing 54, spring 55, inductance coil 6.
A kind of digital induced-draught electric motor of the present invention, including electric machine casing 1 and the stator module in electric machine casing 1 and
Rotor assembly, the front end of electric machine casing 1 are integrally formed with drive end bearing bracket 11, are provided with fan assembly in the outside of drive end bearing bracket 11.
The kuppe 2 of a tubular is fixed with electric machine casing 1.Fix on the inside of the upper end of kuppe 2 and drive end bearing bracket 11
Connection, is formed with the flow deflector 2a being spaced apart in the outer surface of kuppe 2.Flow deflector 2a is engaged with the inwall of electric machine casing 1,
Diversion air duct 21 is constituted between flow deflector 2a.
The inside of kuppe 2 is stator assembly and rotor assembly fixedly mounted on.Guided in electric machine casing 1 by kuppe 2
The air-flow in portion, overcomes, and reduces the technology of air-flow suction
Problem.And the micronic dust and aqueous vapor in the effective isolation suction airflow of kuppe 2, it is to avoid micronic dust and aqueous vapor pollute rotor assembly and determine
Sub-component, improves motor service life.Due to having used flow deflector 2a, air-flow to greatly improve through the speed of diversion air duct 21,
Not only play a part of to guide air-flow, also effectively increase heat exchanger effectiveness, make stator module pass through 2 quick heat radiating of kuppe.
The fan assembly of the present invention includes being fixed on the blade cover 3 on the outside of drive end bearing bracket 11, and be arranged on drive end bearing bracket 11 with
The fan blade 31 being connected between blade cover 3 and with rotor assembly.Fan blade 31 drives rotation by rotor assembly.
Wind inlet 32 is formed with the center of blade cover 3.The outer wall of drive end bearing bracket 11 is integrally formed with multiple fan blades being spaced apart
Cover support chip 11a, the gap between blade cover support chip 11a constitute the first air intake passage 12.The inwall and blade cover of blade cover 3
Support chip 11a is fixedly connected.Blade cover 3 constitutes air intake in the case where the support of blade cover support chip 11a is fixed, between fan blade 31
Chamber.Fan blade 31 is arranged on the inside of blade cover support chip 11a, and air-flow is sucked from wind inlet 32, and through 31 rotation driving stream of fan blade
Through the first air intake passage 12.
The periphery of drive end bearing bracket 11 is integrally formed with multiple drive end bearing bracket support chip 11b, drive end bearing bracket support chip 11b and electric machine casing 1
Inwall is integrally fixedly connected.The second air intake passage 13 being connected with diversion air duct 21 is provided between drive end bearing bracket support chip 11b.Before
Endcap support piece 11b can play a part of fixed drive end bearing bracket 11, and air-flow can be facilitated again to pass through, and make the structure of drive end bearing bracket 11 tight
Gather, reduce motor overall volume.
The rear end of electric machine casing 1 is fixed with rear end cap 14, and rear end cap 14 is formed with the fixed interface being connected with electric machine casing 1
14a, is provided with the air outlet 15 being connected with diversion air duct 21 between fixed interface 14a.
Stator module includes the stator installation seat 4 for being fixed on 2 inwall of kuppe, the stator being fixed on stator installation seat 4
Iron core 41 and stator coil 42, the circuit board 43 being fixedly connected with stator installation seat 4.
The inwall of kuppe 2 is formed with the first bayonet socket 22, and stator installation seat 4 is fixed on the first bayonet socket 22.First bayonet socket 22
There are two limiting section 22a, and the opening of embedded stator installation seat 4 is provided between two limiting section 22a.
Heat sink 44 is installed on circuit board 43,2 inwall of kuppe is formed with the second bayonet socket 23, the heat sink 44 of circuit board 43
In the second bayonet socket 23.Heat sink 44 is fully contacted with kuppe 2 in the second bayonet socket 23, and kuppe 2 is using easily
Heat sink material, flow deflector 2a can improve the area of dissipation of kuppe 2, and improve the flow velocity of air-flow, so that heat sink 44 is fast
Speed radiating.
An inductance for adjusting electric property is installed between rear end cap 14, kuppe 2 and circuit board 43
Coil 6, inductance coil 6 are electrically connected with circuit board 43.
Rotor assembly includes a rotating shaft 5 and the rotor 51 being fixed in rotating shaft 5.The integral middle of drive end bearing bracket 11 is formed with axle
Installation set 11c is held, rotating shaft 5 is rotatably installed in bearing mounting sleeve 11c by bearing.Stretch out 5 end of rotating shaft of drive end bearing bracket 11 with
Fan blade 31 is connected, to drive 31 rotary motion of fan blade.Rotating shaft 5 is located at the position of 41 side of stator core and is installed with and determines
The rotor 51 that son is coupled.
Above-mentioned bearing mounting sleeve 11c is fixed with bearing holder (housing, cover) 52, is provided with the clutch shaft bearing at two intervals in bearing holder (housing, cover) 52
53 and second bearing 54, spring 55 is provided between clutch shaft bearing 53 and second bearing 54.Clutch shaft bearing 53 and second bearing 54
Under 55 active force of spring, 5 axial stretching of rotating shaft can be prevented.
Highly preferred embodiment of the present invention is illustrated, and the various change that is made by those of ordinary skill in the art or remodeling are not
Can depart from the scope of the present invention.
Claims (8)
1. a kind of digital induced-draught electric motor, including electric machine casing (1) and the stator module in electric machine casing (1) and rotor set
Part, is characterized in that：The front end of electric machine casing (1) is provided with drive end bearing bracket (11), on the outside of drive end bearing bracket (11) is provided with wind
Thermomechanical components；The kuppe (2) of a tubular is fixed with electric machine casing (1)；The upper end of kuppe (2) and drive end bearing bracket
(11) be fixedly connected on the inside of, the flow deflector (2a) being spaced apart is formed with the outer surface of kuppe (2)；Described flow deflector (2a)
Be engaged with the inwall of electric machine casing (1), diversion air duct (21) is constituted between flow deflector (2a)；Described stator module and turn
Sub-component is fixedly mounted on the inside of kuppe (2)；Described fan assembly includes being fixed on the fan blade on the outside of drive end bearing bracket (11)
Cover (3), and it is arranged on the fan blade (31) being connected between drive end bearing bracket (11) and blade cover (3) and with rotor assembly；Described
The center of blade cover (3) is formed with wind inlet (32)；The outer wall of drive end bearing bracket (11) is integrally formed with multiple fan blades being spaced apart
Cover support chip (11a), the inwall of described blade cover (3) are fixedly connected with blade cover support chip (11a)；Described blade cover
Gap between blade (11a) constitutes the first air intake passage (12).
2. a kind of digital induced-draught electric motor according to claim 1, is characterized in that：One system of periphery of drive end bearing bracket (11)
Have multiple drive end bearing bracket support chip (11b), drive end bearing bracket support chip (11b) is fixedly connected with electric machine casing (1) inwall；Drive end bearing bracket
The second air intake passage (13) being connected with diversion air duct (21) is provided between support chip (11b).
3. a kind of digital induced-draught electric motor according to claim 2, is characterized in that：Fix the rear end of electric machine casing (1)
The inwall for having rear end cap (14), described rear end cap (14) is formed with the sealing edge that a circle is engaged with the kuppe (2) bottom,
Outside spacers on sealing edge are formed with the fixed interface (14a) being connected with electric machine casing (1), described fixed interface (14a)
Between be provided with the air outlet (15) being connected with diversion air duct (21).
4. a kind of digital induced-draught electric motor according to claim 3, is characterized in that：Described stator module includes being fixed on leads
The stator installation seat (4) of stream cover (2) inwall, the stator core (41) being fixed on stator installation seat (4) and stator coil (42),
And the circuit board (43) being fixedly connected with stator installation seat (4).
5. a kind of digital induced-draught electric motor according to claim 4, is characterized in that：The inwall of kuppe (2) is formed with
One bayonet socket (22), described stator installation seat (4) are fixed on the first bayonet socket (22).
6. a kind of digital induced-draught electric motor according to claim 5, is characterized in that：Described circuit board (43) is provided with radiating
Plate (44), described kuppe (2) inwall are formed with the second bayonet socket (23), and the heat sink (44) of circuit board (43) is installed in the second card
In mouth (23).
7. a kind of digital induced-draught electric motor according to claim 6, is characterized in that：Described rotor assembly includes rotating shaft (5)
With the rotor (51) being fixed in rotating shaft (5)；The bearing mounting sleeve that one is connected is formed with the middle part of drive end bearing bracket (11)
(11c), described rotating shaft (5) is rotatably arranged in bearing mounting sleeve (11c)；The rotating shaft of protruding drive end bearing bracket (11)
(5) end is fixedly connected with described fan blade (31)；Rotating shaft (5) be located at stator core (41) side position be installed with
The rotor (51) that the stator is coupled.
8. a kind of digital induced-draught electric motor according to claim 7, is characterized in that：Solid in described bearing mounting sleeve (11c)
Surely there is a bearing holder (housing, cover) (52), described bearing holder (housing, cover) (52) is provided with the clutch shaft bearings (53) at two intervals and second bearing (54), the
Spring (55) is provided between one bearing (53) and second bearing (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510948221.6A CN105406644B (en) | 2015-12-17 | 2015-12-17 | A kind of digital induced-draught electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510948221.6A CN105406644B (en) | 2015-12-17 | 2015-12-17 | A kind of digital induced-draught electric motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105406644A CN105406644A (en) | 2016-03-16 |
| CN105406644B true CN105406644B (en) | 2017-03-15 |
Family
ID=55471960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510948221.6A Active CN105406644B (en) | 2015-12-17 | 2015-12-17 | A kind of digital induced-draught electric motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105406644B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106996383A (en) * | 2017-05-12 | 2017-08-01 | 浙江帝仕电子科技有限公司 | Brushless fan with built-in driver and control method thereof |
| CN114629281A (en) * | 2021-12-06 | 2022-06-14 | 鑫磊压缩机股份有限公司 | Motor integrated structure that heat-sinking capability is good |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202004573U (en) * | 2011-01-04 | 2011-10-05 | 贺欣机械厂股份有限公司 | Radiating structure of motor device |
| KR101331731B1 (en) * | 2011-12-29 | 2013-11-20 | 삼성전기주식회사 | Motor assembly for vacuum cleaner |
| CN203398941U (en) * | 2013-07-22 | 2014-01-15 | 宁波德昌电机制造有限公司 | Dust collector motor |
| CN203691122U (en) * | 2013-12-26 | 2014-07-02 | 东明机电（深圳）有限公司 | Dust collector motor provided with wind-guiding disc |
| CN103997140A (en) * | 2014-05-29 | 2014-08-20 | 江阴市曾氏动力机械科技有限公司 | Internal and external dual-air-cooled electric generator |
| CN205248976U (en) * | 2015-12-17 | 2016-05-18 | 宁波纽兴克电机有限公司 | Digital air intake motor |
-
2015
- 2015-12-17 CN CN201510948221.6A patent/CN105406644B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105406644A (en) | 2016-03-16 |
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| C06 | Publication | ||
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| CB02 | Change of applicant information |
Address after: 315100 Zhejiang city of Ningbo province Yinzhou District Jingu Road No. 219 Applicant after: Ningbo new G motor Limited by Share Ltd Address before: 315100 Zhejiang city of Ningbo province Yinzhou District Jingu Road No. 219 Applicant before: NINGBO NEWTHINK MOTOR CO., LTD. |
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| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315100 Zhejiang city of Ningbo province Yinzhou District Jingu Road No. 219 Patentee after: Ningbo Newark Electric Co., Ltd Address before: 315100 Zhejiang city of Ningbo province Yinzhou District Jingu Road No. 219 Patentee before: Ningbo new G motor Limited by Share Ltd |