CN206237219U - A kind of DC three-phase brushless motors of domestic fan - Google Patents
A kind of DC three-phase brushless motors of domestic fan Download PDFInfo
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- CN206237219U CN206237219U CN201621177200.5U CN201621177200U CN206237219U CN 206237219 U CN206237219 U CN 206237219U CN 201621177200 U CN201621177200 U CN 201621177200U CN 206237219 U CN206237219 U CN 206237219U
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- pedestal
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Abstract
The utility model is related to fan electromotor technical field, more particularly to a kind of DC three-phase brushless motors of domestic fan, include coiling group, magnet frame, bearing and pcb board, also include magnetite and pedestal, the magnet frame is provided with shaft core, the coiling group is sheathed on shaft core, and the magnet frame is sheathed on the outer surface of coiling group, and the magnetite is located between magnet frame and coiling group；The coiling group is connected with pcb board, and the base sleeve is located at shaft core and is arranged in the endoporus of coiling group, and one end of the pedestal contacts with magnet frame, and the other end of the pedestal protrudes from pcb board, and the bearing holder (housing, cover) is located at shaft core and is installed in pedestal.The AC voltage conversions of 220V into the D/C voltage of 5V and can be ensured that the utility model can reach the running speed and air pressure air flow of AC motors under the driving of 5V voltages by the utility model, both save electric energy, and can meet the effect of radiating.
Description
Technical field
The utility model is related to fan electromotor technical field, more particularly to a kind of domestic fan DC three-phase brushless motors.
Background technology
Current existing domestic fan, is all exchange (AC) motor for the 220V for using, and power consumption is big, and energy loss is excessive,
And noise super large, the high standards of user cannot have been met in power supply supply respect；And the peace of current domestic fan
The space for filling motor is limited, and radiating effect is poor, easily the service life of influence motor.
And existing direct current (DC) motor for fan, be only used for some miniature, mini fans, there is provided it is dynamic
Power is limited, it is impossible to used by high-power domestic fan.
Utility model content
The purpose of this utility model is that AC electric currents can be converted into 5V there is provided one kind in view of the shortcomings of the prior art
DC electric current and supply the DC three-phase brushless motors of domestic fan, the low in energy consumption of the motor, energy loss are small, radiating is good and make an uproar
Sound is small.
To achieve the above object, the utility model is achieved through the following technical solutions：
A kind of DC three-phase brushless motors of domestic fan, include coiling group, magnet frame, bearing and pcb board, also include magnetic
Stone and pedestal, the magnet frame are provided with shaft core, and the coiling group is sheathed on shaft core, and the magnet frame is sheathed on the appearance of coiling group
Face, the magnetite is located between magnet frame and coiling group；The coiling group is connected with pcb board, and the base sleeve is located at shaft core and wears
Located at the endoporus of coiling group, one end of the pedestal contacts with magnet frame, and the other end of the pedestal protrudes from pcb board, the axle
Bearing sleeve is located at shaft core and is installed in pedestal.
Wherein, the magnet frame is provided with pedestal, and magnet frame is fixed in one end of the pedestal, and its other end is connected with pedestal.
Wherein, flexibly positioned is provided between the bearing and pedestal.
Further, the coiling group includes winding bracket, and the winding bracket is provided with least three groups wire-winding units,
Every group of wire-winding unit includes four wrapping posts, each two wrapping post around wiretapping connection, the first of previous group wire-winding unit
The coiling of wrapping post is connected with the 3rd wrapping post of latter wire-winding unit around wiretapping, every group of second wrapping post of wire-winding unit
Tap is connected with pcb board, and every group of the 4th wrapping post tap of wire-winding unit is common port.
Preferably, the wire-winding unit is three groups；The magnet frame three groups of wire-winding units of correspondence be provided with 10 pairs of number of magnetic poles or
14 pairs of number of magnetic poles.
Yet further, every group of wire-winding unit is provided with least one projection, and the projection is fixedly connected with pcb board.
Wherein, the front end of the shaft core is provided with thread.
Wherein, the end face of the pedestal is provided with least three fixing holes.
Wherein, it is provided with fixed clasp between the end face and shaft core of the pedestal.
Further, shell and sealing plate are also included, the shell is coated on magnet frame outer surface, the sealing plate lid
Located at pcb board top, the sealing plate offers the through hole matched with pedestal.
The beneficial effects of the utility model are：
A kind of DC three-phase brushless motors of domestic fan described in the utility model, outer giving a dinner for a visitor from afar is driven by the shaft core of magnet frame
Fan, the magnetite coordinates coiling group and magnet frame, and the 220V AC voltage conversions that PCB is input into are carried into the D/C voltage of 5V by shaft core
Supply fan, so as to drive fan to rotate, the utility model and can ensure the AC voltage conversions of 220V into the D/C voltage of 5V
The utility model can reach the running speed and air pressure air flow of AC motors under the driving of 5V voltages, both save electric energy, and
The effect of radiating can be met.
Brief description of the drawings
Fig. 1 conceals shell and the blast of sealing plate is shown for a kind of DC three-phase brushless motors of domestic fan of the utility model
It is intended to；
Fig. 2 is a kind of coiling block diagram of the coiling group of the DC three-phase brushless motors of domestic fan of the utility model；
Fig. 3 is a kind of structural representation of the DC three-phase brushless motors of domestic fan of the utility model；
Mark is included in Fig. 1 to Fig. 3：
1 --- winding bracket 11 --- wrapping post
12 --- projection 2 --- magnet frames
21 --- shaft core 3 --- bearings
4 --- pcb board 5 --- magnetites
6 --- pedestal 7 --- pedestals
8 --- flexibly positioned 9 --- fixed clasps
101 --- shell 102 --- sealing plates.
Specific embodiment
Referring to Fig. 1 to Fig. 3, the utility model is described in detail below in conjunction with accompanying drawing.
A kind of DC three-phase brushless motors of domestic fan described in the utility model, include coiling group, magnet frame 2, bearing 3
With pcb board 4, magnetite 5 and pedestal 6 are also included, the magnet frame 2 is provided with shaft core 21, and the coiling group is sheathed on shaft core 21, institute
The outer surface that magnet frame 2 is sheathed on coiling group is stated, the magnetite 5 is located between magnet frame 2 and coiling group；The coiling group and pcb board 4
Connection, the pedestal 6 is sheathed on shaft core 21 and is arranged in the endoporus of coiling group, and one end of the pedestal 6 contacts with magnet frame 2, institute
The other end for stating pedestal 6 protrudes from pcb board 4, and the bearing 3 is sheathed on shaft core 21 and is installed in pedestal 6.
In the utility model, the small-scale structure motor that described AC turns DC drives outer giving a dinner for a visitor from afar by the shaft core 21 of magnet frame 2
Fan, the magnetite 5 coordinates coiling group and magnet frame 2, and is fixed by pedestal 6, the 220V AC voltage conversions that PCB is input into
D/C voltage into 5V is supplied to fan by shaft core 21, so as to drive fan to rotate, the utility model can be by the AC of 220V electricity
Pressure is converted into the D/C voltage of 5V, and ensure the utility model can be reached under the driving of 5V voltages AC motors running speed and
Air pressure air flow, power of the present utility model only has 5W, is the 12% of similar domestic fan, and energy consumption die-offs, and has both saved electric energy, and
The effect of radiating can be met；And finished product of the present utility model is easy to use, common USB charger babies can also directly for it is carried out
Power supply is operated, and the slight chill in the air of an electric fan can be all experienced in the field without power supply！
Wherein, the magnet frame 2 is provided with pedestal 7, and magnet frame 2 is fixed in one end of the pedestal 7, its other end and pedestal 6
Connection.In the utility model, by setting pedestal 7 at the inside center of magnet frame 2, by pedestal 7 to coiling group and base
Seat 6 is further fixed, and enhances stability of the present utility model, it is to avoid the utility model occurs shaking in the course of the work
Noise is moved and produces, it is practical.
Wherein, flexibly positioned 8 is provided between the bearing 3 and pedestal 6.In the utility model, the elasticity is fixed
Bit slice 8 is risen using double ball elastic piece structures by between this pair of flexibly positioned of ball elastic piece structure 8 pairs of bearings 3 and pedestal 6
To certain cushioning effect, effectively extend service life of the present utility model, and further meet the standard of low noise.
Further, the coiling group includes winding bracket 1, and the winding bracket 1 is provided with least three groups coiling groups
Part, every group of wire-winding unit includes four wrapping posts 11, each two wrapping post 11 around wiretapping connection, previous group wire-winding unit
The coiling of the first wrapping post 11 and being connected around wiretapping for the 3rd wrapping post 11 of latter wire-winding unit, every group of wire-winding unit
The tap of second wrapping post 11 is connected with pcb board 4, and every group of tap of the 4th wrapping post 11 of wire-winding unit is common port.Specifically, this
The preferred scheme that utility model is used is three groups for the wire-winding unit；The three groups of wire-winding units of correspondence of the magnet frame 2 are provided with 10
To number of magnetic poles or 14 pairs of number of magnetic poles, coiling group of the present utility model, as winding bracket 1, can strengthen torsion using 12 pole silicon steel sheets
Power, improves operating rotating speed, and magnet frame 2 is rotated in periphery as outer rotor, centered on shaft core 21, puts bearing 3 in coiling group
In endoporus, so as to form an outer-rotor structure, by magnetic field N, the switching of S poles is driven operating, compared to existing internal rotor
For structure, it is more convenient to assemble, and cost is lower；12 wrapping posts 11 of correspondence of magnet frame of the present utility model 2 set 10 pairs of magnetic poles
Number or 14 pairs of number of magnetic poles, combination form three-phase drive mode of the present utility model, are the optimal cases that experiment is completed at present；When
So, the utility model is not precluded from testing more schemes that obtain by limited number of time in the future, such as the correspondence of magnet frame 2 is different number of
Wrapping post 11 sets the number of magnetic poles of different pairs, and above scheme is encompassed by the technical solution of the utility model.
The winding mode of the preferred three groups of wire-winding units of the utility model specifically refers to Fig. 2, and first group of wire-winding unit is extremely
3rd group of wrapping post 11 of wire-winding unit is respectively 1-12, wherein every group of external pcb board 4 of the second wrapping post 11 of wire-winding unit
Tap is respectively A, B, C, and it is common port that every group of the 4th wrapping post 11 of wire-winding unit is extracted out.
Yet further, every group of wire-winding unit is provided with least one projection 12, and the projection 12 is fixed with pcb board 4
Connection.In the utility model, by every group of wire-winding unit set projection 12 be fixed with pcb board 4, can strengthen around
Stability between line component and pcb board 4, it is practical.
Wherein, the front end of the shaft core 21 is provided with thread.The utility model sets thread by the front end of shaft core 21,
Can be used in the flabellum that locks so that during revolution, impeller is rotated, so that wind is sent out in face.
Wherein, the end face of the pedestal 6 is provided with least three fixing holes.Further, the end of pedestal of the present utility model 6
Face sets three fixing holes, goes for different fan structures and is locked so that the utility model can have versatility.
Wherein, fixed clasp 9 is provided between the end face of the pedestal 6 and shaft core 21.Fixed clasp 9 of the present utility model
It is arranged between the end face of pedestal 6 and shaft core 21, prevents pedestal 6 from the situation rocked occur relative to shaft core 21, further enhances
Practicality of the present utility model.
Further, shell 101 and sealing plate 102 are also included, the shell 101 is coated on the outer surface of magnet frame 2, institute
State sealing plate 102 and be covered on the top of pcb board 4, the sealing plate 102 offers the through hole matched with pedestal 6.To prevent fan from existing
Dust during use enters in motor, and the utility model is additionally provided with shell 101 and sealing plate 102, can effectively extend
Service life of the present utility model.
Above content is only preferred embodiment of the present utility model, for one of ordinary skill in the art, according to this reality
With new thought, will change in specific embodiments and applications, this specification content should not be construed as
To limitation of the present utility model.
Claims (10)
1. a kind of DC three-phase brushless motors of domestic fan, include coiling group, magnet frame, bearing and pcb board, it is characterised in that：
Magnetite and pedestal are also included, the magnet frame is provided with shaft core, and the coiling group is sheathed on shaft core, and the magnet frame is sheathed on coiling
The outer surface of group, the magnetite is located between magnet frame and coiling group；The coiling group is connected with pcb board, and the base sleeve is located at
Shaft core is simultaneously arranged in the endoporus of coiling group, and one end of the pedestal contacts with magnet frame, and the other end of the pedestal protrudes from PCB
Plate, the bearing holder (housing, cover) is located at shaft core and is installed in pedestal.
2. DC three-phase brushless motors of a kind of domestic fan according to claim 1, it is characterised in that：The magnet frame is set
Magnet frame is fixed in the one end for having pedestal, the pedestal, and its other end is connected with pedestal.
3. DC three-phase brushless motors of a kind of domestic fan according to claim 1, it is characterised in that：The bearing and base
Flexibly positioned is provided between seat.
4. DC three-phase brushless motors of a kind of domestic fan according to claim 1-3 any one, it is characterised in that：Institute
State coiling group and include winding bracket, the winding bracket is provided with least three groups wire-winding units, and every group of wire-winding unit includes
Four wrapping posts, each two wrapping post around wiretapping connection, the coiling of the first wrapping post of previous group wire-winding unit with it is latter
3rd wrapping post of wire-winding unit around wiretapping connection, the second wrapping post tap of every group of wire-winding unit is connected with pcb board, often
4th wrapping post tap of group wire-winding unit is common port.
5. DC three-phase brushless motors of a kind of domestic fan according to claim 4, it is characterised in that：The wire-winding unit
It is three groups；Three groups of wire-winding units of the magnet frame correspondence are provided with 10 pairs of number of magnetic poles or 14 pairs of number of magnetic poles.
6. DC three-phase brushless motors of a kind of domestic fan according to claim 4, it is characterised in that：Every group of wire-winding unit
At least one projection is provided with, the projection is fixedly connected with pcb board.
7. DC three-phase brushless motors of a kind of domestic fan according to claim 1, it is characterised in that：Before the shaft core
End is provided with thread.
8. DC three-phase brushless motors of a kind of domestic fan according to claim 1, it is characterised in that：The end of the pedestal
Face is provided with least three fixing holes.
9. DC three-phase brushless motors of a kind of domestic fan according to claim 1, it is characterised in that：The end of the pedestal
Fixed clasp is provided between face and shaft core.
10. DC three-phase brushless motors of a kind of domestic fan according to claim 1, it is characterised in that：Also include outer
Shell and sealing plate, the shell are coated on magnet frame outer surface, and the sealing plate is covered on pcb board top, and the sealing plate is opened up
There is the through hole matched with pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621177200.5U CN206237219U (en) | 2016-10-27 | 2016-10-27 | A kind of DC three-phase brushless motors of domestic fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621177200.5U CN206237219U (en) | 2016-10-27 | 2016-10-27 | A kind of DC three-phase brushless motors of domestic fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206237219U true CN206237219U (en) | 2017-06-09 |
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ID=58983320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621177200.5U Active CN206237219U (en) | 2016-10-27 | 2016-10-27 | A kind of DC three-phase brushless motors of domestic fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206237219U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655569A (en) * | 2016-10-27 | 2017-05-10 | 东莞市翰硕塑胶有限公司 | DC three-phase brushless motor for household fan |
-
2016
- 2016-10-27 CN CN201621177200.5U patent/CN206237219U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655569A (en) * | 2016-10-27 | 2017-05-10 | 东莞市翰硕塑胶有限公司 | DC three-phase brushless motor for household fan |
| WO2018076989A1 (en) * | 2016-10-27 | 2018-05-03 | 东莞市翰硕塑胶有限公司 | Dc three-phase brushless motor for household fans |
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