CN201528245U - Motor and radiator fan with same - Google Patents

Motor and radiator fan with same Download PDF

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Publication number
CN201528245U
CN201528245U CN2009202161464U CN200920216146U CN201528245U CN 201528245 U CN201528245 U CN 201528245U CN 2009202161464 U CN2009202161464 U CN 2009202161464U CN 200920216146 U CN200920216146 U CN 200920216146U CN 201528245 U CN201528245 U CN 201528245U
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CN
China
Prior art keywords
balance element
magnet
circuit board
rotor
motor
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Expired - Lifetime
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CN2009202161464U
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Chinese (zh)
Inventor
洪银树
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Sunonwealth Electric Machine Industry Co Ltd
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Sunonwealth Electric Machine Industry Co Ltd
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Priority to CN2009202161464U priority Critical patent/CN201528245U/en
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Publication of CN201528245U publication Critical patent/CN201528245U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

Disclosed are a motor and a radiator fan with the same, wherein the motor comprises a balancing element, a stator and a rotor. The balancing element is provided with a surface which is provided with a coupling portion and a magnetic portion; the stator is combined with the balancing element; and the rotor comprises a wheel hub, a rotating shaft and a permanent magnet, the rotating shaft and the permanent magnet are arranged on the inner side of the wheel hub, the rotating shaft is combined with the coupling portion, and the permanent magnet is provided with a magnetic attracting face which is arranged at a position opposite to the magnetic portion of the balancing element. By the arrangement, the balancing element is capable of directly replacing a base or a base plate of a conventional motor and maintaining balanced rotation of the rotor.

Description

Motor and have the radiator fan of this motor
Technical field
The utility model is about a kind of motor and have the radiator fan of this motor, particularly about a kind of motor and radiator fan with balancing patch.
Background technology
Existing radiator fan is usually by its impeller rotation of a motor driven, to reach predetermined thermolysis.Generally speaking, existing motor roughly comprises a pedestal (or substrate), a stator and a rotor; This stator of this base for supporting and this rotor, this stator are in conjunction with this pedestal, and this rotor is rotatably in conjunction with this stator, so that utilize this stator to drive this rotor rotation.Again, can stablize rotation for making this rotor, at present common on the market existing motor can be provided with on this pedestal or substrate in addition as balanceable magnet, gimbal, balancing patch or other has the member of identical function, rotates in order to keep this rotor balancing; Below disclose several and have the existing motor configuration that can make the rotor balancing rotation, wherein:
Please refer to shown in Figure 1, as " the rotary balance structure of fan motor rotor " patent of invention case of TaiWan, China I256440 number; Disclose first kind of existing motor 5, this existing motor 5 is provided with a central siphon 52, a rotor 53, a balanceable magnet 54 and a magnet sensing part 55 in a pedestal 51.This central siphon 52 is located at the central authorities of a stator 56; This rotor 53 is provided with an axle bed 531 and an axostylus axostyle 532, and these axostylus axostyle 532 1 ends are in conjunction with this axle bed 531, and the other end is rotatably in conjunction with this central siphon 52; This balanceable magnet 54 is located at the top of this central siphon 52; This magnet sensing part 55 is incorporated into this axle bed 531.Whereby, this balanceable magnet 54 can this magnet sensing part 55 of corresponding magnetic, with the rotation of keeping this rotor 53 and the balance of startup.
Yet above-mentioned first kind of existing motor 5 must be installed on this balanceable magnet 54 top of this central siphon 52 separately, and the axle bed 531 that this magnet sensing part 55 is installed on this rotor 53; Therefore, cause inconvenience greatly on the assembling operation, and cause the various and manufacturing cost raising of the number of components of this motor 5; Moreover, must reservation between the axle bed 531 of this rotor 53 and this central siphon 52 can be for the ccontaining space of this magnet sensing part 55 and this balanceable magnet 54, so also can't effectively reduce the whole axial height of this motor 5.
Please refer to shown in Figure 2, as " structure of tool balancing motor rotor " novel patent case of No. the 590330th, TaiWan, China; Disclose second kind of existing motor 6, this existing motor 6 roughly comprises a stator 61, a balanceable magnet 62, a rotor 63 and a metal-back 64.This balanceable magnet 62 is arranged on this stator 61; This rotor 63 has a permanent magnet 631 relative with this stator 61; This metal-back 64 is incorporated into this rotor 63 inboards.Whereby, can produce balancing magnetic force between this balanceable magnet 62 and this metal-back 64, to keep this rotor 63 balance rotating.
Yet, above-mentioned second kind of existing motor 6 must be in these rotor 63 inboards in conjunction with this metal-back 64, inconvenience when causing the making moulding of this rotor 63, and also must separately this balanceable magnet 62 be installed on this stator 61, therefore, the assembling convenience of this motor 6 is still not good, and it has the various and more high shortcoming of manufacturing cost of the number of components equally; Moreover, must reservation between this rotor 63 and this stator 61 can be for the ccontaining space of this metal-back 64 and this balanceable magnet 62, so still can't effectively reduce the whole axial height of this motor 6.
Please refer to shown in Figure 3, as " rotor balance structure of motor " patent of invention case of TaiWan, China I257757 number; Disclose the third existing motor 7, this existing motor 7 comprises a pedestal 71, one first balanceable magnet 72, a rotor 73, one second balanceable magnet 74 at least.This pedestal 71 is in order to support a stator 711; This first balanceable magnet 72 is incorporated on this pedestal 71; This rotor 73 is rotatably in conjunction with this stator 711; This second balanceable magnet 74 is in conjunction with this rotor 73 and relative with this first balanceable magnet 72.Whereby, this first and second balanceable magnet 72,74 can corresponding in the axial direction magnetic, effectively to keep the rotary balance of this rotor 73.
Yet above-mentioned the third existing motor 7 must be installed this first and second balanceable magnet 72,74 respectively in this pedestal 71 and this rotor 73, therefore, has assembling inconvenience, complex structure and the more high many shortcomings of manufacturing cost equally; In addition, this rotor 73 also may produce as problems such as this second balanceable magnet 74 come off easily in the process of long-time rotation; Moreover, because this axle bed 71 is equipped with this first balanceable magnet 72, so still can't effectively reduce the whole axial height of this motor 7.
Please refer to shown in Figure 4, as " the gimbal structure of motor " patent of invention case of No. the 501823rd, TaiWan, China; Disclose the 4th kind of existing motor 8, for a stator seat 82 combinations, this stator seat 82 can supply a rotatably combination of rotor 83 to this motor 8 with a substrate 81, and this rotor 83 has a permanent magnet 831, this substrate 81 is in addition in conjunction with a gimbal 84, and this gimbal 84 has a ringwall 841.Whereby, the ringwall 841 of this gimbal 84 can with the corresponding magnetic mutually of the end section of this permanent magnet 831, to keep the spin balancing of this rotor 83.
Yet, the gimbal 84 necessary ringwalls 841 that form the setting shape in addition of above-mentioned the 4th kind of existing motor 8, so the structure of this gimbal 84 is comparatively complicated, and the manufacturing moulding is comparatively difficult, and the design of this ringwall 841 also can cause the whole axial height of this motor 8 to increase; Moreover, when reality is used, still must separately this gimbal 84 be installed on this substrate 81, therefore, can cause inconvenience greatly on the assembling operation equally.
In sum, above-mentioned variously have the existing motor 5,6,7,8 that can make rotor balancing rotation and generally all have complex structure, assembling inconvenience, be difficult for reduction axial height and the more high shortcoming of manufacturing cost; In addition, below only disclose several more representative motor configurations, other disclose No. 200638658 " motor structure " patent of invention case, I246817 number " the rotary balance structure of motor rotor " patent of invention case of TaiWan, China, M243848 number " the spin balancing structure of motor " novel patent case of TaiWan, China etc. as TaiWan, China, roughly all be on pedestal or substrate, to be combined with members such as balancing patch in addition, therefore, take off every shortcoming before having equally; In addition, " Brushless DC motor balance location and pole piece structure thereof " novel patent case as No. the 421369th, TaiWan, China, it then is the ring body pole piece that directly has equilibrium function in the wherein pole piece formation of a stator, cause this stator in the inconvenience of making in the assembling, so necessity of being improved is all arranged.
The utility model content
The utility model order is the above-mentioned various shortcomings with the existing motor that can make the rotor balancing rotation of improvement, it replaces the pedestal of existing motor by a balance element, but, can further reduce the complicated integral structure degree so that under the condition of possessing the function that makes the rotor balance rotating.
The utility model time purpose provides a kind of motor and has the radiator fan of this motor, to promote the assembling convenience.
The another purpose of the utility model provides a kind of motor and has the radiator fan of this motor, with the whole axial height of effective reduction.
Another purpose of the utility model provides a kind of motor and has the radiator fan of this motor, to reduce manufacturing cost.
According to the utility model motor, comprise: a balance element, have a surface, this surface is provided with an axis part and a magnet sensing part; One stator is in conjunction with this balance element; An and rotor, comprise a wheel hub, a rotation axis and a permanent magnet, this rotation axis and this permanent magnet are arranged at this wheel hub inboard, and this rotation axis is in conjunction with this axis part, this permanent magnet has the magnetic face towards the surface of this balance element, the mutual contraposition of the magnet sensing part of this magnetic face and this balance element.
According to the utility model motor, comprise: a balance element comprises a circuit board and a ring body, this ring body is incorporated into the outer peripheral edges of this circuit board, this circuit board and this ring body have a surface respectively, and wherein the surface of this circuit board is provided with an axis part, and the surface of this ring body is a magnet sensing part; One stator is in conjunction with this balance element and be electrically connected this circuit board; An and rotor, comprise a wheel hub, a rotation axis and a permanent magnet, this rotation axis and this permanent magnet are arranged at this wheel hub inboard, and this rotation axis is in conjunction with this axis part, this permanent magnet has the magnetic face towards the surface of this balance element, the mutual contraposition of the magnet sensing part of this magnetic face and this balance element.
Radiator fan according to the utlity model has this motor comprises: a balance element has a surface, this surface is provided with an axis part and a magnet sensing part, this balance element in addition connects a fan frame with several connectors, and this balance element is positioned at this fan frame, and this fan frame is provided with an air intake vent and an air outlet; One stator is in conjunction with this balance element; An and rotor, comprise a wheel hub, a rotation axis and a permanent magnet, this wheel hub extends several blades, this rotation axis and this permanent magnet are arranged at this wheel hub inboard, this rotation axis is in conjunction with this axis part, this permanent magnet has the magnetic face towards the surface of this balance element, the mutual contraposition of the magnet sensing part of this magnetic face and this balance element.
According to the radiator fan that the utlity model has this motor, comprise: a balance element, comprise a circuit board and a ring body, this ring body is incorporated into the outer peripheral edges of this circuit board, and this circuit board and this ring body have a surface respectively, this two surface is same plane, wherein the surface of this circuit board is provided with an axis part, and the surface of this ring body is a magnet sensing part, and this balance element connects a fan frame with several connectors in addition, and this balance element is positioned at this fan frame, and this fan frame is provided with an air intake vent and an air outlet; One stator is in conjunction with this balance element; An and rotor, comprise a wheel hub, a rotation axis and a permanent magnet, this wheel hub extends several blades, this rotation axis and this permanent magnet are arranged at this wheel hub inboard, this rotation axis is in conjunction with this axis part, this permanent magnet has the magnetic face towards the surface of this balance element, the mutual contraposition of the magnet sensing part of this magnetic face and this balance element.
The beneficial effects of the utility model are, the utility model motor and the radiator fan with this motor can directly replace the pedestal or the substrate of existing motor by this balance element, this balance element promptly has the function of keeping this rotor balancing rotation, whereby, compared to existing motor generally on pedestal or substrate in addition in conjunction with as members such as balancing patches, the utility model motor can reach really and reduce structure complexity, promotes the assembling convenience, reduces manufacturing cost and reduce many effects such as axial height.
Description of drawings
Fig. 1: the assembled sectional view of first kind of existing motor.
Fig. 2: the assembled sectional view of second kind of existing motor.
Fig. 3: the assembled sectional view of the third existing motor.
Fig. 4: the assembled sectional view of the 4th kind of existing motor.
Fig. 5: the three-dimensional exploded view of the motor of the utility model first embodiment.
Fig. 6: the assembled sectional view of the motor of the utility model first embodiment.
Fig. 7: the three-dimensional exploded view of the motor of the utility model second embodiment.
Fig. 8: the assembled sectional view of the motor of the utility model second embodiment.
Fig. 9: the three-dimensional exploded view of the motor of the utility model the 3rd embodiment.
Figure 10: the assembled sectional view of the motor of the utility model the 3rd embodiment.
Figure 11: the assembled sectional view of the utility model radiator fan.
The main element symbol description:
1 motor, 11 balance elements, 111 surperficial 112 axis parts
113 magnet sensing parts, 114 wear plates, 115 buttons are held sheet 116 bearings
12 stators, 121 wiring, 13 rotors, 131 wheel hubs
132 rotation axiss, 133 permanent magnets, 134 magnetic faces, 2 motors
21 balance element 21a circuit board 21b ring bodies, 211,211 ' surface
212 axis parts, 213 magnet sensing parts, 214 wear plates, 215 buttons are held sheet
216 bearings, 22 stators, 221 wiring, 23 rotors
231 wheel hubs, 232 rotation axiss, 233 permanent magnets, 234 magnetic faces
3 motors, 31 balance elements, 311 surperficial 312 axis parts
313 magnet sensing parts, 314 wear plates, 315 buttons are held sheet 316 bearings
32 stators, 321 wiring, 33 rotors, 331 wheel hubs
332 rotation axiss, 333 permanent magnets, 334 magnetic faces, 4 fan frames
41 connectors, 42 air intake vents, 43 air outlets, 44 blades
5 motors, 51 pedestals, 52 central siphons, 53 rotors
531 axle beds, 532 axostylus axostyles, 54 balanceable magnets, 55 magnet sensing parts
56 stators, 6 motors, 61 stators, 62 balanceable magnets
63 rotors, 631 permanent magnets, 64 metal-backs, 7 motors
71 pedestals, 711 stators, 72 first balanceable magnets, 73 rotors
74 second balanceable magnets, 8 motors, 81 substrates, 82 stator seats
83 rotors, 831 permanent magnets, 84 gimbals, 841 ringwalls
Embodiment
For above-mentioned and other purpose of the present utility model, feature and advantage can be become apparent, preferred embodiment of the present utility model cited below particularly, and conjunction with figs. are described in detail below:
Please refer to Fig. 5 and shown in Figure 6, the motor 1 of the utility model first embodiment comprises a balance element 11, a stator 12 and a rotor 13.This balance element 11 is in order to support this stator 12 and this rotor 13; This stator 12 is in conjunction with this balance element 11; This rotor 13 is rotatably in conjunction with this stator 12; Whereby, can utilize this stator 12 to drive this rotor 13 rotations, and utilize this balancing patch 11 to make this rotor 13 can stablize rotation.
This balance element 11 has a surface 111, and this surface 111 is provided with an axis part 112 and a magnet sensing part 113; Wherein this axis part 112 can be shaped in this surface 111, maybe can utilize assembling mode to be incorporated into this surface 111, and this axis part 112 can be central siphon, axle bed or other can be for this rotor 13 rotatably member or the structural design of combination; In present embodiment, this axis part 112 is a central siphon, and this central siphon can be held members such as sheet 115 or bearing 116 as wear plate 114, button for ccontaining; In addition, this magnet sensing part 113 is preferably the bulge loop on the surface 111 that is formed at this balance element 11.
This stator 12 is in conjunction with this balance element 11, and in embodiment as shown in the figure, this stator 12 is incorporated into the outer peripheral face of this axis part 112.
This rotor 13 comprises a wheel hub 131, a rotation axis 132 and a permanent magnet 133, this rotation axis 132 and this permanent magnet 133 are arranged at this wheel hub 131 inboards, this rotation axis 132 rotatably in conjunction with the axis part 112 of this balance element 11, has an air gap between this permanent magnet 133 and this stator 12; Again, this permanent magnet 133 has a magnetic face 134 in addition, and this magnetic face 134 is towards the surface 111 of this balance element 11, and the magnet sensing part 113 mutual contrapositions of this magnetic face 134 and this balance element 11.
When the utility model motor 1 used in reality, this stator 12 can be provided with a wiring 121, so that connect a circuit board (not illustrating) by this wiring 121; Wherein this circuit board can directly be incorporated into this balance element 11 (not illustrating), and perhaps, this circuit board also can be external in the outside of this motor 1, when avoiding being combined with this circuit board because of this balance element 11, and causes the axial height of this motor 1 to increase; Whereby, can utilize this circuit board to drive this stator 12 and produce alternating magnetic fields, and by this air gap and the 133 generation effects of this permanent magnet, and then to drive this rotor 13 be that the center is rotated with the axis part 112 of this balance element 11.
More in detail, balance element 11 of the present utility model select for use can with the member of these permanent magnet 133 mutual magnetic, for example: this balance element 11 can be magnet plate, metal sheet etc.; Whereby, though the utility model motor 1 in running, static or when starting since the magnet sensing part 113 of this balance element 11 all can with this magnetic face 134 magnetic mutually in the axial direction, therefore, can suitably keep the spin balancing and the rotational stability of this rotor 13.
By the architectural feature of preceding taking off, the main feature of the motor 1 of the utility model first embodiment includes at least: can utilize this balance element 11 directly to replace the pedestal or the substrate of existing motor, this balance element 11 can be in order to supporting members such as this stator 12 and this rotor 13, and utilize this balance element 11 that replaces pedestal or substrate to be kept the spin balancing of this rotor 13; Therefore, generally must on pedestal or substrate, be provided with separately as members such as balanceable magnet, gimbal, balancing patch (or having the structure etc. of identical function in stator formation) compared to existing motor, the utility model motor 1 can reduce structure complexity undoubtedly, promotes the assembling convenience and reduce manufacturing cost, and hold concurrently and can effectively reduce the whole axial height of this motor 1, so that design towards the direction research and development of more compactization.In addition, also because the magnet sensing part 113 of present embodiment is the bulge loop that is formed at the surface 111 of this balance element 11, therefore, make this magnet sensing part 113 more press close to this magnetic face 134, further promoting the counterbalance effect of this balance element 11, and then prevent that effectively this rotor 13 from producing improper rocking and situation such as noise in rotary course; Moreover, utilize the structural design of this bulge loop, also can increase the structural strength of this balance element 11, this balance element 11 can be more suitable for as the purposes that supports this stator 12 and this rotor 13.
Please refer to Fig. 7 and shown in Figure 8, the motor 2 of the utility model second embodiment comprises a balance element 21, a stator 22 and a rotor 23, and wherein this stator 22 and this rotor 23 are identical with stator 12 and the rotor 13 that first embodiment is disclosed, and holds and does not give unnecessary details.Therefore, the stator 22 of the utility model second embodiment can include architectural features such as wiring 221 equally; This rotor 23 can include architectural features such as wheel hub 231, rotation axis 232, permanent magnet 233 and magnetic face 234 equally.
The balance element 21 of the utility model second embodiment comprises a circuit board 21a and a ring body 21b, and this circuit board 21a can power and connect this stator 22; This ring body 21b is around the outer peripheral edges that are incorporated into this circuit board 21a, and this ring body 21b can be magnet plate, metal sheet etc.; This circuit board 21a and this ring body 21b respectively have a surface 211,211 ', and this two surface 211,211 ' can be conplane design, the surface 211 that wherein is positioned at this circuit board 21a is provided with an axis part 212, and members such as sheet 215 or bearing 216 can be held as wear plate 214, button for ccontaining in this axis part 212; In addition, the surface 211 ' that is positioned at this ring body 21b is a magnet sensing part 213, the magnetic face 234 of this magnet sensing part 213 and this rotor 23 and contraposition mutually.
By the architectural feature of preceding taking off, the main feature of the motor 2 of the utility model second embodiment includes at least: can directly replace the pedestal or the substrate of existing motor equally by this balance element 21, to reach the purpose that reduces structure complexity, lifting assembling convenience and reduce manufacturing cost.In addition, because this ring body 21b around the outer peripheral edges that are incorporated into this circuit board 21a, when the surface 211,211 ' of this circuit board 21a and this ring body 21b is same planar design, more can further effectively reduce the whole axial height of this motor 2.
Please refer to Fig. 9 and shown in Figure 10, the motor 3 of the utility model the 3rd embodiment comprises a balance element 31, a stator 32 and a rotor 33, and wherein this stator 32 and this rotor 33 are identical with stator 12 and the rotor 13 that first embodiment is disclosed, and holds and does not give unnecessary details.Therefore, the stator 32 of the utility model the 3rd embodiment can include architectural features such as wiring 321 equally; This rotor 33 can include architectural features such as wheel hub 331, rotation axis 332, permanent magnet 333 and magnetic face 334 equally.
The balance element 31 of the utility model the 3rd embodiment has a surface 311, and this surface 311 is provided with an axis part 312 and a magnet sensing part 313; Wherein members such as sheet 315 or bearing 316 can be held as wear plate 314, button for ccontaining in this axis part 312; In addition, this magnet sensing part 313 is the plane with the magnetic face 334 mutual contrapositions of this rotor 33.
By the architectural feature of preceding taking off, the main feature of the motor 3 of the utility model the 3rd embodiment includes at least: can directly replace the pedestal or the substrate of existing motor equally by this balance element 31, to reach the purpose that reduces structure complexity, lifting assembling convenience, reduces manufacturing cost and reduction axial height.In addition, compared to the motor 1,2 of first and second embodiment, balance element 31 structures of the motor 3 of present embodiment are more simplified.
The motor 1,2,3 that each embodiment of the utility model is disclosed can be applicable to various cooling fan structure in addition, please refer to shown in Figure 11, the motor 1 that is disclosed with first embodiment is an example, this balance element 11 can connect a fan frame 4 by several connectors 41 (as rib or stator blade etc.), and this balance element 11 is positioned at this fan frame 4, and this fan frame 4 is provided with an air intake vent 42 and an air outlet 43; In addition, the wheel hub 131 of this rotor 13 can radially extend several blades 44.Whereby, this radiator fan can be installed in various electronic installation or electronic instrument, and when these rotor 13 rotations, this blade 44 can be introduced air-flow from this air intake vent 42, and this air-flow is exported to a thermal source from this air outlet 43, to reach predetermined thermolysis.
As mentioned above, the utility model motor and the radiator fan with this motor can directly replace the pedestal or the substrates of existing motor by this balance element 11,21,31, this balance element 11,21,31 promptly has the function of keeping these rotor 13,23,33 balance rotating, whereby, compared to existing motor generally on pedestal or substrate in addition in conjunction with as members such as balancing patches, the utility model motor can reach really and reduce structure complexity, promotes the assembling convenience, reduces manufacturing cost and reduce many effects such as axial height.

Claims (18)

1. motor is characterized in that comprising:
A balance element has a surface, and this surface is provided with an axis part and a magnet sensing part;
A stator is in conjunction with this balance element; And
A rotor, comprise a wheel hub, a rotation axis and a permanent magnet, this rotation axis and this permanent magnet are arranged at this wheel hub inboard, this rotation axis is in conjunction with this axis part, this permanent magnet has a magnetic face towards the surface of this balance element, the mutual contraposition of the magnet sensing part of this magnetic face and this balance element.
2. according to the described motor of claim 1, it is characterized in that this magnet sensing part is the bulge loop that is formed at the surface of this balance element.
3. according to the described motor of claim 1, it is characterized in that this magnet sensing part is the plane with the mutual contraposition of magnetic face of this rotor.
4. according to claim 1,2 or 3 described motors, it is characterized in that this balance element is magnet plate or metal sheet.
5. according to claim 1,2 or 3 described motors, it is characterized in that the external circuit board of this stator.
6. according to the described motor of claim 4, it is characterized in that the external circuit board of this stator.
7. motor is characterized in that comprising:
A balance element comprises a circuit board and a ring body, and this ring body is incorporated into the outer peripheral edges of this circuit board, and this circuit board and this ring body have a surface respectively, and wherein the surface of this circuit board is provided with an axis part, and the surface of this ring body is a magnet sensing part;
A stator is in conjunction with this balance element and be electrically connected this circuit board; And
A rotor, comprise a wheel hub, a rotation axis and a permanent magnet, this rotation axis and this permanent magnet are arranged at this wheel hub inboard, this rotation axis is in conjunction with this axis part, this permanent magnet has a magnetic face towards the surface of this balance element, the mutual contraposition of the magnet sensing part of this magnetic face and this balance element.
8. according to the described motor of claim 7, it is characterized in that the ring body of this balance element is magnet plate or metal sheet.
9. according to claim 7 or 8 described motors, it is characterized in that the surface of this circuit board and the surface of this ring body are same plane.
10. radiator fan is characterized in that comprising:
A balance element has a surface, and this surface is provided with an axis part and a magnet sensing part, and this balance element in addition connects a fan frame with several connectors, and this balance element is positioned at this fan frame, and this fan frame is provided with an air intake vent and an air outlet;
A stator is in conjunction with this balance element; And
A rotor, comprise a wheel hub, a rotation axis and a permanent magnet, this wheel hub extends several blades, this rotation axis and this permanent magnet are arranged at this wheel hub inboard, this rotation axis is in conjunction with this axis part, this permanent magnet has a magnetic face towards the surface of this balance element, the mutual contraposition of the magnet sensing part of this magnetic face and this balance element.
11., it is characterized in that this magnet sensing part is the bulge loop that is formed at the surface of this balance element according to the described radiator fan of claim 10.
12., it is characterized in that this magnet sensing part is the plane with the mutual contraposition of magnetic face of this rotor according to the described radiator fan of claim 10.
13., it is characterized in that this balance element is magnet plate or metal sheet according to claim 10,11 or 12 described radiator fans.
14., it is characterized in that the external circuit board of this stator according to claim 10,11 or 12 described radiator fans.
15., it is characterized in that the external circuit board of this stator according to the described radiator fan of claim 13.
16. a radiator fan is characterized in that comprising:
A balance element, comprise a circuit board and a ring body, this ring body is incorporated into the outer peripheral edges of this circuit board, this circuit board and this ring body have a surface respectively, wherein the surface of this circuit board is provided with an axis part, and the surface of this ring body is a magnet sensing part, and this balance element connects a fan frame with several connectors in addition, and this balance element is positioned at this fan frame, and this fan frame is provided with an air intake vent and an air outlet;
A stator is in conjunction with this balance element and be electrically connected this circuit board; And
A rotor, comprise a wheel hub, a rotation axis and a permanent magnet, this wheel hub extends several blades, this rotation axis and this permanent magnet are arranged at this wheel hub inboard, this rotation axis is in conjunction with this axis part, this permanent magnet has a magnetic face towards the surface of this balance element, the mutual contraposition of the magnet sensing part of this magnetic face and this balance element.
17., it is characterized in that the ring body of this balance element is magnet plate or metal sheet according to the described radiator fan of claim 16.
18., it is characterized in that the surface of this circuit board and the surface of this ring body are same plane according to claim 16 or 17 described radiator fans.
CN2009202161464U 2009-09-15 2009-09-15 Motor and radiator fan with same Expired - Lifetime CN201528245U (en)

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Application Number Priority Date Filing Date Title
CN2009202161464U CN201528245U (en) 2009-09-15 2009-09-15 Motor and radiator fan with same

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Publication Number Publication Date
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102628448A (en) * 2011-02-04 2012-08-08 日本电产株式会社 Blower fan
CN103219810A (en) * 2012-01-18 2013-07-24 建准电机工业股份有限公司 Motor and motor rotor thereof
CN104074779A (en) * 2013-03-26 2014-10-01 建准电机工业股份有限公司 Thin heat radiation fan with radial air gap motor and motor size selection method thereof
CN104235036A (en) * 2013-06-19 2014-12-24 建准电机工业股份有限公司 Heat radiation fan with balance function
CN111622984A (en) * 2019-02-28 2020-09-04 日本电产株式会社 Air supply device and dust collector

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102628448A (en) * 2011-02-04 2012-08-08 日本电产株式会社 Blower fan
CN103219810A (en) * 2012-01-18 2013-07-24 建准电机工业股份有限公司 Motor and motor rotor thereof
CN104074779A (en) * 2013-03-26 2014-10-01 建准电机工业股份有限公司 Thin heat radiation fan with radial air gap motor and motor size selection method thereof
CN104074779B (en) * 2013-03-26 2019-03-29 建准电机工业股份有限公司 Thin heat radiation fan with radial air gap motor
CN104235036A (en) * 2013-06-19 2014-12-24 建准电机工业股份有限公司 Heat radiation fan with balance function
CN111622984A (en) * 2019-02-28 2020-09-04 日本电产株式会社 Air supply device and dust collector
CN111622984B (en) * 2019-02-28 2022-01-04 日本电产株式会社 Air supply device and dust collector

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