CN107240988A - Electric machine assembly, exhaust fan and electronic equipment - Google Patents
Electric machine assembly, exhaust fan and electronic equipment Download PDFInfo
- Publication number
- CN107240988A CN107240988A CN201610482697.XA CN201610482697A CN107240988A CN 107240988 A CN107240988 A CN 107240988A CN 201610482697 A CN201610482697 A CN 201610482697A CN 107240988 A CN107240988 A CN 107240988A
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- China
- Prior art keywords
- coil holder
- electric machine
- pcb board
- insulation coil
- rotating shaft
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- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The present invention relates to a kind of electric machine assembly, exhaust fan and electronic equipment, the electric machine assembly includes monophase machine and drive circuit；The monophase machine include stator and can relative to stator rotation rotor；The stator includes stator core, is installed to the insulation coil holder of stator core and is set around the winding of insulation coil holder；The drive circuit includes pcb board, and the pcb board is installed to the insulation coil holder and close to the winding.The pcb board of the electric machine assembly of the present invention is installed to the insulation coil holder of monophase machine and close to the winding of monophase machine so that the compact conformation of electric machine assembly, reduces the size of electric machine assembly.
Description
【Technical field】
The present invention relates to machine field, relate particularly to a kind of electric machine assembly, the exhaust fan using the electric machine assembly and
Using the electronic equipment of the exhaust fan.
【Background technology】
The pcb board of existing electric machine assembly is typically installed separately with monophase machine, and this design causes the knot of electric machine assembly
Structure is not compact, and the size of electric machine assembly is big, can take very big space.
【The content of the invention】
It is an object of the invention to overcome the shortcomings of above-mentioned technology, there is provided a kind of electric machine assembly, exhaust fan and electronic equipment.
A kind of electric machine assembly that the present invention is provided, including monophase machine and drive circuit；The monophase machine includes stator
And can relative to stator rotation rotor；The stator include stator core, be installed to stator core insulation coil holder and
It is set around the winding of insulation coil holder；The drive circuit includes pcb board, and the pcb board is installed to the insulation coil holder and close
The winding.
Further, the rotor includes a rotating shaft, and one end of the rotating shaft protrudes out the rotor and stator, described
Pcb board is installed to the side that the dorsad described rotating shaft for insulating coil holder protrudes out direction.
Further, the insulation coil holder includes being used for the main part of winding winding and extended out from main part two ends
Two side plates, the winding be located at described two side plates between, the pcb board is installed to the side plate.
Further, the pcb board is provided with through hole, and there is the side plate raised installation portion to pass through the through hole.
Further, the installation portion includes supporting part and is arranged on the connector of supporting part upper end, and the connector is worn
Crossing the through hole of the pcb board makes the supporting part support the pcb board.
Further, the end of the connector is formed with hook portion to prevent the pcb board from departing from the connector.
Further, the insulation coil holder includes the first insulation coil holder and the second insulation coil holder, the first insulation coil holder
Include a main part and two side plates extended out from main part two ends with the second insulation coil holder, the winding include around
It is described located at the second winding of the first winding and the main part for being set around the second insulation coil holder of the main part of the first insulation coil holder
Pcb board is installed to the side plate of the first insulation coil holder and the side plate of the second insulation coil holder.
Further, the stator core include U-shaped yoke portion, stretched out in opposite directions from two relative sides in yoke portion two
Pole portion, the first insulation coil holder and the second insulation coil holder are mounted respectively to described two relative sides.
Further, the stator core includes the first core assembly and the second core assembly, first core assembly
And second connected by magnetic conduction connector between core assembly；The main part of the first insulation coil holder and the second insulation coil holder
Main part is arranged first core assembly and the second core assembly respectively.
Further, the first end of first core assembly and the first end of the second core assembly have dovetail respectively
Groove, the two ends of the connector have dovetail respectively, and the dovetail is fastened in the dovetail groove.
Further, the second end of first core assembly and the second end of the second core assembly are respectively formed with two
Relative pole portion, each pole portion has by the short pole shoe and long pole shoe of the laterally opposed pole portion extension in pole portion two, described turn
Son is housed in the space that the short pole shoe in two pole portion and long pole shoe are enclosed.
Further, the rotor includes rotating shaft, covers the rotor subject for being set to rotating shaft and be contained in slow in rotor subject
Flushing device, the rotor subject is slide fit with the rotating shaft, and the two ends of the buffer unit are connected respectively to the rotating shaft and institute
Stating rotor subject is used to being delayed the rotating speed of the ground synchronization rotating shaft and rotor subject.
Present invention also offers a kind of exhaust fan, including impeller, the exhaust fan also includes above-mentioned electric machine assembly；The leaf
Wheel is installed to the rotating shaft of the monophase machine of the electric machine assembly；The impeller is driven by the rotating shaft.
Further, the pcb board is installed to the insulation coil holder away from the side of the impeller and close to the winding；
Air-flow caused by the impeller can flow through and cool down the pcb board.
Further, the external diameter of the impeller is more than the size of the monophase machine, makes the pcb board and winding position
In caused by the impeller in the runner of air-flow.
Present invention also offers a kind of electronic equipment, including shell, the electronic equipment also includes above-mentioned exhaust fan, described
Exhaust fan is installed to the inside of the shell.
Compared with prior art, the pcb board of electric machine assembly of the invention is installed to the insulation coil holder of monophase machine and close
The winding of monophase machine, the design can cause the compact conformation of electric machine assembly, reduce the size of electric machine assembly.
【Brief description of the drawings】
A kind of schematic diagram for exhaust fan that Fig. 1 is provided by the embodiment of the present invention；
Fig. 2 is the structural representation of the electric machine assembly of exhaust fan shown in Fig. 1；
Fig. 3 is the structural representation of the insulation coil holder of monophase machine shown in Fig. 2；
Fig. 4 is the floor map of the stator core of monophase machine shown in Fig. 2；
Fig. 5 is the stator core of monophase machine shown in Fig. 2 and the floor map of rotor；
Fig. 6 is the exploded perspective view of stator core shown in Fig. 4；
Fig. 7 is the structural representation of the rotor of monophase machine shown in Fig. 2；
Fig. 8 and Fig. 9 are the exploded perspective views of rotor shown in Fig. 7；
Figure 10 is the schematic diagram of the electronic equipment of the exhaust fan shown in application drawing 1.
【Embodiment】
The invention will be further described with reference to the accompanying drawings and examples.
Reference picture 1, a kind of exhaust fan 500 that the present invention is provided, including impeller 300 and electric machine assembly 600, electric machine assembly
600 include monophase machine 100 and drive circuit.There is impeller 300 installation portion 301 to be installed to a rotating shaft of monophase machine 100
31 one end, impeller 300 is driven by rotating shaft 31.In the present embodiment, monophase machine 100 is single phase synchronous AC motor, with tradition
Motor with cup rotor compare, monophase machine compact conformation of the invention, easy maintenance and replacement.Drive circuit includes pcb board 200,
Pcb board 200 is installed to monophase machine 100.In the present embodiment, impeller 300 is receded disk impeller, and the external diameter of impeller 300 is significantly big
In the size of monophase machine 100.
Reference picture 2, the monophase machine 100 of electric machine assembly 600 includes stator 20 and turn that can be rotated relative to stator 20
Son 30.Stator 20 includes stator core 21, is installed to the insulation coil holder 22 of stator core 21 and is set around insulation coil holder 22
Winding 23.In the present embodiment, pcb board 200 is installed to insulation coil holder 22, and close to winding 23.Preferably, pcb board 200 is installed to
The side away from impeller 300 of insulation coil holder 22.It can so make it that the structure of monophase machine 100 is compacter, reduce single-phase
The size of motor 100.Meanwhile, impeller 300 is operationally formed centrally within low-pressure area and promotes the air of outside to flow into the low pressure
Area, monophase machine 100 and pcb board 200 and winding 23 are located in the low-pressure area, therefore, exist between pcb board 200 and impeller 300
The runner that air-flow flows through is available for, the air flow can flow through and directly cool down pcb board 200, extend the use longevity of pcb board 200
Life.It because the external diameter of impeller 300 is noticeably greater than the size of monophase machine 100, can be adequately cooled pcb board 200.At it
In his embodiment, impeller 300 can also be aial flow impeller.
Stator 20 also includes the first support frame 24 and the second support frame 25 for being respectively installed to the axial side of 21 liang of stator core.
Stator core 21 is made up of permeability magnetic material.First support frame 24 and the second support frame 25 are used for the rotating shaft 31 for supporting rotor 30.The
One support frame 24 and the second support frame 25 are by the connection of bindiny mechanism 26 of axial direction so as to clamp and be fixed on stator core 21
Between the two.It is preferred that, the first support frame 24 and the second support frame 25 are formed in one part, are easy to manufacture.First support frame
24 and second are respectively equipped with bearing block in support frame 25, are respectively used to install bearing 24a, 25a (see Fig. 7), two bearings
24a, 25a are used to support rotating shaft 31 so that rotating shaft 31 can be rotated relative to stator 20.
Bindiny mechanism 26 includes screw rod 261 and screw rod 261 supporting nut 262 and locating sleeve 263.First support frame
24 and second have the through hole passed through for screw rod 261 on support frame 25.263 sets of locating sleeve is set to screw rod 261 and positioned at first
Between the support frame 25 of support frame 24 and second, axially position effect, beautification are played to the first support frame 24 and the second support frame 25
Effect.
In reference picture 3, the present embodiment, insulation coil holder 22 includes the integrally formed first insulation coil holder 221 and second and insulated
Coil holder 226.The first insulation insulation of coil holder 221 and second coil holder 226 includes integrally formed main part 222,227 and formed
Side plate 223a, 223b, 228a, 228b in main part 222,227 two ends, main part 222,227 sets be set to stator core 21, around
Group 23 includes the first winding and the second winding, and the first winding and the second winding are rotating around located at main part 222,227.
One of side plate 223a, 228a of the first insulation insulation coil holder 226 of coil holder 221, second upper end are formed respectively
There is the first installation portion 224,229 of projection.Another side plate 223b of the first insulation insulation coil holder 226 of coil holder 221, second,
228b upper end is respectively formed with the second installation portion 225,230 of projection.First the 224,229, second installation portion 225 of installation portion,
230 are used to install pcb board 200.
Wherein, 229 points of the first installation portion of the first installation portion 224, second insulation coil holder 226 of the first insulation coil holder 221
Supporting part 224a, 229a and connector 224b, 229b of supporting part 224a, 229a upper ends Bao Kuo not be arranged on.Supporting part 224a,
229a is concordant with side plate 223a, 228a.Connector 224b, 229b pass through the first through hole of pcb board 200, play positioning with fixing
The effect of connection.Supporting part 224a, 229a upper end abut to the lower end of pcb board 200, play a supportive role.
The lower end that the upper end of second installation portion 225 of the first insulation coil holder 221 abuts to pcb board 200 is used to support pcb board
200.Second installation portion 230 of the second insulation coil holder 226 includes supporting part 233 and be arranged on supporting part 233 two side by side
Connector 231,232.Two supporting parts 233 abut to the lower end of pcb board 200, play a supportive role, two connectors 231,
232 end is respectively formed with hook portion 234, and two connectors 231,232 both pass through the second through hole of pcb board 200 and by hook
Portion 234 blocks the upper end for being set to pcb board 200, by the clamping of pcb board 200, prevents from loosening.
Reference picture 4, stator core 21 includes substantially u-shaped yoke portion 24, stretched in opposite directions from two relative sides in yoke portion 24
The two pole portion 211 gone out.The first insulation insulation coil holder 226 of coil holder 221, second is respectively installed to described two relative sides.
Each pole portion 211 has the short pole shoe 211a and long pole shoe 211b extended along the both sides of pole portion 211.Because pole portion 211 is asymmetric
Shape, so the two-way startup ability of monophase machine 100 is different, i.e. the starting capability in a direction is opened than another direction
Kinetic force is strong.In two pole portion 211, the short pole shoe 211a in each pole portion 211 is adjacent with the long pole shoe 211b in another pole portion 211
And between form notch 212, thus the center line or the axis of symmetry of the length direction of center deviation stator core 21 of notch 212
L2, the line L1 at the center of two notches 212 tilts 0-30 degree relative to line L2.The design helps to increase two pole portion
Magnetic resistance between 211, reduces inductance, enhances the unilateral initiative ability of monophase machine 100, improves operating efficiency, simultaneously
Improve power factor.In the present embodiment, short pole shoe 211a, the long pole shoe 211b in each pole portion are towards the end of respective slot 212
Face is parallel with the line L1.The long pole shoe 211b in each pole portion 211 has oblique cutting part 211c, makes long pole shoe 211b radial direction thick
Degree, so as to reduce inductance, enhances the unilateral initiative energy of monophase machine 100 along being gradually reduced towards the direction of respective slot 212
Power.
Reference picture 5, rotor 30 is housed in the space that the short pole shoe 211a in two pole portion 211 and long pole shoe 211b are enclosed.
Each pole portion 211 is formed with the detent 213 towards rotor 30, and detent 213 deviates the center in pole portion 211 and away from long
Pole shoe 211b, the setting causes the long pole shoe 211b in each pole portion 211, short pole shoe 211a difference in length bigger, so as to
The stop position of rotor 30 is better controled over to cause the stop position of rotor 30 to deviate dead-centre position, and causes the court of rotor 30
One direction, which starts, to be easier.Preferably, the bottom of detent 213 is arc.It should be understood that detent 213
Bottom can also be V-type.
The outer peripheral face of rotor 30 is on same circumference, short pole shoe 211a, the long pole shoe 211b inner side table in each pole portion 211
Face is the arc pole-face of indent, short pole shoe 211a, long pole shoe 211b pole-face on same circumference, and short pole shoe 211a, length
The outer peripheral face of pole shoe 211b pole-face and rotor 30 is concentric, i.e., short pole shoe 211a, long pole shoe 211b pole-face and rotor 30
Outer peripheral face is all using the center of rotor 30 to form thickness between the center of circle, thus short pole shoe 211a, long pole shoe 211b and rotor 30
Uniform air gap 214, can strengthen the stationarity of the startup of monophase machine 100, start reliable.
In the present embodiment, the width of notch 212 (that is, between the short pole shoe 211a of the both sides of notch 212, long pole shoe 211b away from
From) it is more than the thickness d 3 of air gap 214.
In the present embodiment, the outline of stator core 21 is rectangle on the whole, and the width of stator core 21 is with W come table
Show, the external diameter of rotor 30 is represented with D, the 50%-70% that the outer diameter D of rotor 30 is the width W of stator core 21, the setting subtracts
The size of monophase machine 100 is lacked, has reduced cost, made the cost performance of monophase machine 100 more preferable.
Reference picture 6, the frame shape for being shaped as opening of stator core 21.Stator core 21 includes the He of the first core assembly 215
Second core assembly 216.Connected between first core assembly 215 and the second core assembly 216 by magnetic conduction connector 217.The
The main part 222, second that one core assembly 215 and the second core assembly 216 are respectively used to be arranged the first insulation coil holder 221 insulate
The main part 227 of coil holder 226.
The first end 215a of first core assembly 215, the first end 216a of the second core assembly 216 have dovetail groove respectively
218a, 218b, the two ends of magnetic conduction connector 217 have dovetail 219a, 219b respectively, and dovetail 219a, 219b are fastened on swallow
In stern notch 218a, 218b, so that the first core assembly 215, the second core assembly 216 and the three of magnetic conduction connector 217 be combined
Connect and be locked together.Second end 215b of the first core assembly 215, the second end 216b difference shapes of the second core assembly 216
Into two above-mentioned relative pole portions 211.
In the present embodiment, the shape of the first core assembly 215 and the second core assembly 216 substantially F types.
In another alternative, the shape of the first core assembly 215 and the second core assembly 216 is " E " type.
It should be understood that the first core assembly 215 and the second core assembly 216 also can be directly by being arranged on the first magnetic core
The first end 216a of the first end 215a of component 215 dovetail groove/dovetail and the second core assembly 216 dovetail/dovetail
Groove fastens, without being connected by magnetic conduction connector 217.
Reference picture 7, rotor 30 includes the rotating shaft 31, rotor subject 32 and buffer unit 35.32 sets of rotor subject is set to
Rotating shaft 31.Rotating shaft 31 is supported by two bearings 24a, 25a, and two bearings 24a, 25a are respectively positioned at the two ends of rotor subject 32
Outside, so that rotor 30 can be rotated relative to stator 20.Rotor subject 32 includes magnet mount 33 and permanent magnet 34.Magnet
Mounting bracket 33 is injection molding part.Permanent magnet 34 is installed to the lateral surface of magnet mount 33, and the outer peripheral face of permanent magnet 34 is same
On one circumference.
Specifically, reference picture 8 and Fig. 9, rotor subject 32 are that slide fit is connected so as to allow the presence of speed discrepancy with rotating shaft 31.It is slow
Flushing device 35, which is located in rotor subject 32 and covered, is set to rotating shaft 31, and the one end of buffer unit 35 is connected with rotor subject 32, the other end
It is connected with rotating shaft 31, for the rotating speed being delayed between ground synchronous rotor main body 32 and rotating shaft 31, and effectively can eliminates or reduce
Monophase machine 100 starts failure, the situation of stall.Buffer unit 35 is arranged on the inside of rotor subject 32, thus monophase machine
One end of 100 rotating shaft 31 is directly connected with load so that the compact conformation of monophase machine 100, easy maintenance and replacement.
The magnet mount 33 of rotor subject 32 include cylindrical portion 36, fixed cover be set to the lower end of cylindrical portion 36 lower cover 37 and
The collar 38 of the upper end of cylindrical portion 36 is formed at, cylindrical portion 36 is integrated the moulding of injection molding with the collar 38, is easy to manufacture.Forever
Arc-shaped permanent magnet 34a, 34b that magnet 34 is installed to the outside of cylindrical portion 36 by a pair are formed.Pacify respectively in the two ends of cylindrical portion 36
Equipped with bearing 32a, 32b, between two bearings 32a, 32b and rotating shaft 31 for slide fit connect so that allow rotor subject 32 relative to
Rotating shaft 31 is rotated.Buffer unit 35 is located between two bearings 32a, 32b, can prevent the axial float of rotor subject 32.
The collar 38 and lower cover 37 have relative recess 37a (recess of the collar 38 is invisible in figure), permanent magnet 34
Two ends are fastened in recess 37a it is achieved thereby that the axial restraint of permanent magnet 34.
Buffer unit 35 includes elastic component 351, is respectively fixedly connected with the and of the first connecting seat 352 at the two ends of elastic component 351
Second connecting seat 353, elastic component 351, the first connecting seat 352 are slidingly connected to rotating shaft 31, and the fixed cover of the second connecting seat 353 is set to
Rotating shaft 31.Cylindrical portion 36 is looped around the outer circumferential side of buffer unit 35.First connecting seat 352 is connected to cylindrical portion 36.Specifically, this
Having in embodiment, on the first connecting seat 352 on four circumferentially disposed projection 352a, the inwall of cylindrical portion 36 has and projection
The groove 36a that 352a is engaged, so that the first connecting seat 352 and cylindrical portion 36 be connected.
Rotor 30 also includes a spacing ring 39, and the fixed cover of spacing ring 39 is set to rotating shaft 31, and positioned at the remote of rotor subject 32
From the outside of the second connecting seat 353.In this way, the two ends of rotor subject 32 are respectively that the second connecting seat 353, spacing ring 39 are spacing.
In the rotation process of monophase machine 100, spacing ring 39 plays a part of axial limiting to rotor subject 32, prevents rotor subject
32 axial movements.
In the present embodiment, buffer unit 35 also includes the sleeve 354 of elasticity, and sleeve 354 is located in the inner side of cylindrical portion 36
And the outer circumferential side of elastic component 351 is looped around, the two ends of sleeve 354 are fixed with the first connecting seat 352, the second connecting seat 353 respectively
Connection.Preferably, the material of sleeve 354 is the flexible materials such as rubber or foamed plastic, on the one hand plays damping, the effect of noise reduction
Really, cylindrical portion 36 is directly impinged when on the other hand can prevent the external diameter of elastic component 351 from increasing.
In the present embodiment, elastic component 351 is the helical spring being slidingly connected to rotating shaft 31.When monophase machine 100 starts to open
When dynamic, rotor subject 32 can rotate under the electromagnetic force of stator 20, because one end of rotating shaft 31 directly connects with load
Connect thus connected with slide fit between larger inertia, and rotating shaft 31 and rotor subject 32, so now rotor subject 32
Rotating speed can be more than the rotating speed of rotating shaft 31, i.e., there is speed discrepancy between rotor subject 32 and rotating shaft 31, helical spring is in rotor subject
Under 32 rotation traction action, that one end that helical spring is connected with the first connecting seat 352 can be tightened, and its internal diameter can gradually subtract
It is small, so that one end for causing helical spring to be connected with the second connecting seat 353 is finally also tightened, and final gradually synchronous rotor
Main body 32 and the rotating speed of rotating shaft 31.Effectively alleviate monophase machine 100 and load brought inertia on startup.Work as single-phase electricity
Machine 100 from running status stop when, because load has larger rotary inertia, thus the rotating speed of rotating shaft 31 can be more than rotor main
There is speed discrepancy between the rotating speed of body 32, i.e. rotor subject 32 and rotating shaft 31, helical spring be connected with the second connecting seat 353 that
One end can be loosened, and its internal diameter can gradually increase, so as to cause helical spring to be revolved with that one end that the first connecting seat 352 is connected
Pine, and finally make the synchronization of rotor subject 32 and rotating shaft 31, effectively alleviate load.In the process, because sleeve
354 around helical spring, so preventing the internal diameter of helical spring to be damaged because of excessively increasing.
The compact conformation of monophase machine 100 of the present invention, with unilateral initiative ability is strong, operating efficiency is high, power factor is high,
The advantages of cost is relatively low, thus the operating efficiency of exhaust fan 500 of the monophase machine 100 of the application present invention is high, cost is low, use the longevity
Life length.
It should be understood that to apply also for warm-air drier, water pump of air conditioner etc. other to monophase machine for the monophase machine 100 of the present invention
The equipment that 100 unilateral initiative is required.
Reference picture 10, for the electronic equipment 700 for the exhaust fan 500 for applying the present invention.Electronic equipment 700 includes shell
701 are installed to mounting bracket 702 with the mounting bracket 702 being arranged on inside shell 701, exhaust fan 500.Using the row of the present invention
The operating efficiency of electronic equipment 700 of gas fan 500 is high, and service life is long, and cost is low.Electronic equipment 700 can be that for example ventilation is set
Standby, air draft cooling system, smoke pumping equipment etc..
Above example only expresses the preferred embodiment of the present invention, and it describes more specific and detailed, but can not
Therefore it is interpreted as the limitation to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, it is such as special to the difference in each embodiment
Levy and be combined, these belong to protection scope of the present invention.
Claims (16)
1. a kind of electric machine assembly, including monophase machine and drive circuit；The monophase machine includes stator and can be relative to fixed
The rotor that son is rotated；The stator includes stator core, is installed to the insulation coil holder of stator core and is set around insulation coil holder
Winding；It is characterized in that：The drive circuit includes pcb board, and the pcb board is installed to the insulation coil holder and close to described
Winding.
2. electric machine assembly according to claim 1, it is characterised in that：The rotor includes a rotating shaft, the one of the rotating shaft
End protrudes out the rotor and stator, and the dorsad described rotating shaft that the pcb board is installed to the insulation coil holder protrudes out the one of direction
Side.
3. electric machine assembly according to claim 1, it is characterised in that：The insulation coil holder includes the master for winding winding
Body portion and two side plates extended out from main part two ends, the winding are located between described two side plates, the pcb board
It is installed to the side plate.
4. electric machine assembly according to claim 3, it is characterised in that：The pcb board is provided with through hole, and the side plate has convex
The installation portion risen passes through the through hole.
5. electric machine assembly according to claim 4, it is characterised in that：The installation portion includes supporting part and is arranged on support
The connector of portion upper end, the through hole of the connector through the pcb board makes the supporting part support the pcb board.
6. electric machine assembly according to claim 5, it is characterised in that：The end of the connector is formed with hook portion to prevent
The pcb board departs from the connector.
7. electric machine assembly according to claim 3, it is characterised in that：The insulation coil holder includes the first insulation coil holder and the
Two insulation coil holders, the first insulation coil holder and the second insulation coil holder include a main part and extended from main part two ends
Two side plates come, the winding includes being set around the first winding of the main part of the first insulation coil holder and is set around the second insulation
Second winding of the main part of coil holder, the pcb board is installed to the side plate of the first insulation coil holder and second and insulated coil holder
Side plate.
8. electric machine assembly according to claim 7, it is characterised in that：The stator core includes U-shaped yoke portion, from yoke portion
The two pole portion stretched out in opposite directions of two relative sides, the first insulation coil holder and the second insulation coil holder are mounted respectively to described
Two relative sides.
9. electric machine assembly according to claim 8, it is characterised in that：The stator core includes the first core assembly and the
Two core assemblies, are connected between first core assembly and the second core assembly by magnetic conduction connector；First insulation
The main part of the main part of coil holder and the second insulation coil holder is arranged first core assembly and the second core assembly respectively.
10. electric machine assembly according to claim 9, it is characterised in that：The first end and second of first core assembly
The first end of core assembly has dovetail groove respectively, and the two ends of the connector have dovetail, the dovetail engaging respectively
In the dovetail groove.
11. electric machine assembly according to claim 10, it is characterised in that：The second end and second of first core assembly
Second end of core assembly is respectively formed with two relative pole portions, and each pole portion has by the laterally opposed pole in pole portion two
The short pole shoe and long pole shoe of portion's extension, the rotor are housed in the space that the short pole shoe in two pole portion and long pole shoe are enclosed.
12. electric machine assembly according to claim 1, it is characterised in that：The rotor includes rotating shaft, set and is set to turning for rotating shaft
Sub- main body and the buffer unit being contained in rotor subject, the rotor subject are slide fit, the buffer unit with the rotating shaft
Two ends be connected respectively to the rotating shaft and the rotor subject and be used to being delayed the rotating speed of the synchronous rotating shaft in ground and rotor subject.
13. a kind of exhaust fan, including impeller, it is characterised in that：The exhaust fan is also included such as any one of claim 1-12
Electric machine assembly described in claim；The impeller is installed to the rotating shaft of the monophase machine of the electric machine assembly；The impeller quilt
The rotating shaft driving.
14. exhaust fan according to claim 13, it is characterised in that：The pcb board, which is installed to the insulation coil holder, to deviate from
The side of the impeller and the close winding；Air-flow caused by the impeller can flow through and cool down the pcb board.
15. exhaust fan according to claim 14, it is characterised in that：The external diameter of the impeller is more than the monophase machine
Size, makes the pcb board and the winding be located at caused by the impeller in the runner of air-flow.
16. a kind of electronic equipment, including shell, it is characterised in that：The electronic equipment also includes as claimed in claim 14
Exhaust fan, the exhaust fan is installed to the inside of the shell.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017063256A JP2017192293A (en) | 2016-03-28 | 2017-03-28 | Stator and fan |
| DE102017106630.6A DE102017106630A1 (en) | 2016-03-28 | 2017-03-28 | Stand, single-phase motor and blower |
| US15/471,558 US10404147B2 (en) | 2016-03-28 | 2017-03-28 | Stator, single phase motor and fan |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610184549 | 2016-03-28 | ||
| CN201610184549X | 2016-03-28 | ||
| CN201610332939 | 2016-05-17 | ||
| CN2016103329397 | 2016-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107240988A true CN107240988A (en) | 2017-10-10 |
Family
ID=59983432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610482697.XA Pending CN107240988A (en) | 2016-03-28 | 2016-06-27 | Electric machine assembly, exhaust fan and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107240988A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730218A (en) * | 2018-06-04 | 2018-11-02 | 彭希南 | A kind of Full-automatic Variable Frequency Speed Regulation ventilation fan |
-
2016
- 2016-06-27 CN CN201610482697.XA patent/CN107240988A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730218A (en) * | 2018-06-04 | 2018-11-02 | 彭希南 | A kind of Full-automatic Variable Frequency Speed Regulation ventilation fan |
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Application publication date: 20171010 |