CN102684363A - Fan and motor thereof - Google Patents
Fan and motor thereof Download PDFInfo
- Publication number
- CN102684363A CN102684363A CN2011100668419A CN201110066841A CN102684363A CN 102684363 A CN102684363 A CN 102684363A CN 2011100668419 A CN2011100668419 A CN 2011100668419A CN 201110066841 A CN201110066841 A CN 201110066841A CN 102684363 A CN102684363 A CN 102684363A
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- Prior art keywords
- motor
- axle sleeve
- base
- fan
- rotating shaft
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a motor, comprising a base, a shaft sleeve, a bearing structure, a stator structure, a rotor structure and a magnetic element. The base is provided with a bearing platform, and the shaft sleeve is connected with the base; the bearing structure is arranged in the shaft sleeve, and the stator structure is sleeved outside the shaft sleeve; and the rotor structure is provided with a revolving shaft which penetrates through the bearing structure. The magnetic element is arranged on the bearing platform corresponding to the revolving shaft, and the magnetic element magnetically acts on the revolving shaft. A fan provided with the motor is also disclosed.
Description
Technical field
The present invention relates to a kind of fan and motor thereof, particularly relate to a kind of configuration magnetic element and adsorb rotating shaft, make the fan and the motor thereof of rotating shaft stable rotation with magnetic.
Background technology
Please with reference to shown in Figure 1A, it is a kind of existing fan 1A and motor 10 thereof.Wherein, fan 1A comprises a motor 10 and an impeller 40, and motor 10 links and drives impeller 40 is rotated, and impeller 40 has a wheel hub 41 and a plurality of flabellum 42.Motor 10 has a rotor set 11, stator group 12 and a housing 13.Rotor set 11 sees through clasp 14 and is connected with stator pack 12, and the tape 111 of rotor set 11 is a sustained height with the central point of the coil 121 of stator pack 12, that is the magnetic force center A of tape 111 is positioned on the identical horizontal line with the magnetic force center B of coil 121.Therefore; After rotor set 11 is rotated; When air draught entering and air draft are gone out, will form the counter power that makes progress to rotor set 11, cause rotor set 11 reciprocal vibrating up and down to occur; And then the rotating shaft 112 that drives rotor set 11 produces synchronous upper and lower displacement, and fan 1A is on-stream to make a noise and make clasp 14 or other element produce wearing and tearing and accelerated deterioration and cause.
In order to reduce noise and reduce wear, there are some prior aries to propose a kind of fan 1B and motor thereof.See also shown in Figure 1B, the magnetic force center A of the tape 111 of fan 1B is provided with little high than the magnetic force center B of coil 121, that is to say that the central point of tape 111 is higher than the central point of coil 121, and makes the potential difference that is formed centrally height in both magnetic force.Therefore, after rotor set 11 was rotated, the magnetic field in 121 ring weeks of coil will produce a suction to tape 111 when driving rotor set 11 rotations, and became rotor set 11 to drop-down holdback force, to reduce the suspending power that rotor set 11 makes progress.
Because the motor of fan possibly apply under multiple different rotating speed and the environment; For example be high rotating speed or anti-dress, yet, when the following time of situation that applies to anti-dress; Fan 1B can't see through and shift to install the suction adsorption rotor set 11 that is produced, thereby limit the application of fan 1B widely.In addition, because the running power of rotor set 11 parts becomes suspending power, therefore make the rotating speed of fan 1B to promote.
Therefore, how a kind of fan and motor thereof are provided, make it can reduce noise and vibration, and then lower the wearing and tearing of element, and improve applicability, become one of important topic.
Summary of the invention
Because above-mentioned problem, the object of the present invention is to provide and a kind ofly can stablize running, reduce noise and vibration, and then lower the wearing and tearing of element, and improve the fan and the motor thereof of applicability.
For reaching above-mentioned purpose, according to a kind of motor of the present invention, it comprises a base, an axle sleeve, a bearing arrangement, a stator structure, a rotor structure and a magnetic element.Base has a carrying platform, and axle sleeve and base link; Bearing arrangement is arranged in the axle sleeve, and stator structure is sheathed on outside the axle sleeve; Rotor structure has a rotating shaft, and rotating shaft wears bearing arrangement.The corresponding rotating shaft of magnetic element and be arranged at carrying platform, the magnetic element magnetic action is in rotating shaft.
In one embodiment of this invention, base can all be processed by magnetic conductive material, and magnetic conductive material is for example and without limitation to metal or alloy, so base can be metab, metal for example is an iron.Perhaps, for for example lightweight is considered, can only have the carrying platform of base to be processed by magnetic conductive material, the remainder of base then can be processed by the non-magnetic material, for example the higher plastic cement of metal, alloy or rigidity.
In one embodiment of this invention, because the carrying platform at magnetic element place is to be processed by magnetic conductive material, so magnetic element is adsorbable in carrying platform.Perhaps, magnetic element can be arranged at carrying platform through other link tools, for example adheres, fixing, screw lock etc.
In one embodiment of this invention; Axle sleeve can for example adopt the plastic cement material that is different from base or carrying platform material, and through penetrating the carrying platform that the wrap molding mode links base, axle sleeve is penetrated this base of bag; Making base and axle sleeve one-body molded is solid memder, to improve the strength of connection between unlike material.In addition, base can have at least one holes (hole that penetrates) or blind hole (hole that does not penetrate), and the material of axle sleeve (for example plastic cement) coats holes or blind hole, increases the contact area between different materials thus, further improves strength of connection.The person of noting, the alleged holes of the present invention or blind hole is non-exceeds with circular port, any rule or irregular shaped aperture all can, equally all can make the material of axle sleeve coat opening and closely link with base.
In one embodiment of this invention, bearing arrangement can be oiliness bearing (sleeve bearing), and motor also can comprise an oil enveloping structure, and oil enveloping structure is arranged in the axle sleeve, and the top of adjacent shafts bearing structure, and rotating shaft wears the perforation of oil enveloping structure.Oil enveloping structure is when preventing motor running, and the lubricating oil of oiliness bearing is from the ejection of axle sleeve top end opening, avoids leakage of oil and influences the usefulness of profit certainly of rotating shaft running.
In one embodiment of this invention, magnetic element can be magnet or magnetite, and rotating shaft can be magnetic conductive material and processes.
For reaching above-mentioned purpose, according to a kind of fan of the present invention, it comprises an impeller and a motor, and motor links and drives impeller is rotated.Wherein, the formation of motor and variation aspect thereof are specified in, repeat no more at this.
In one embodiment of this invention, impeller can have a wheel hub (hub) and a plurality of flabellum (blades).
In one embodiment of this invention, fan can be tube-axial fan or centrifugal fan.
Hold the above,, make the rotating shaft stable rotation with magnetic absorption through the configuration magnetic element because of according to a kind of fan of the present invention and motor thereof; Lower noise and vibration when the motor constant speed drive is provided; More can be when the motor accelerated service, avoid noise and vibrate excessive, thereby realize reducing noise and vibration; And then the wearing and tearing of lowering element, and improve applicability.
Description of drawings
Figure 1A is the sketch map of existing fan and motor thereof;
Figure 1B is the sketch map of another kind of existing fan and motor thereof;
Fig. 2 is according to a kind of fan of preferred embodiment of the present invention and the sketch map of motor thereof;
Fig. 3 A to Fig. 5 B is for having the sketch map of holes in base according to the motor of preferred embodiment of the present invention;
Fig. 6 A and Fig. 6 B are the measurement comparison diagram according to the vibration values of the fan of preferred embodiment of the present invention and existing fan; And
Fig. 7 to Fig. 9 is according to fan of the present invention and the different sketch mapes that change aspect of motor thereof.
The main element symbol description
1A, 1B, 2,3,4,5: fan
10,20: motor
11: rotor set
111,233: tape
112,234: rotating shaft
12: stator pack
121,221: coil
13: housing
14: clasp
21: bearing arrangement
22: stator structure
222: pole piece
23: rotor structure
232: metal-back
24: magnetic element
26: base
260: carrying platform
261: holes
27: axle sleeve
28: oil enveloping structure
281: perforation
29: wear plate
30,40: impeller
31,41: wheel hub
32,42: flabellum
A, B: magnetic force center
O: through hole
P: circuit board
S: accommodation space
W
1, W
2: vibrational waveform
Embodiment
Below will a kind of fan and motor thereof according to preferred embodiment of the present invention be described with reference to correlative type, wherein components identical will be explained with identical reference marks.
At first, please with reference to Fig. 2, it is according to a kind of fan 2 of preferred embodiment of the present invention and motor 20 thereof.Wherein, fan 2 comprises a motor 20 and an impeller 30, and motor 20 links and drives impeller 30 is rotated, and fan can be tube-axial fan or centrifugal fan, though below be that example is explained with the tube-axial fan, yet not as limit.Impeller 30 has a wheel hub 31 and a plurality of flabellum 32, knows clearly it, and motor 20 links wheel hubs 31, and when motor 20 drive hubs 31 rotated, a plurality of flabellums 32 drove air-flows, and constitute fan.Because the fan that motor impeller running is constituted, it is whole to constitute that to be this area has a common knowledge the knowledgeable known with execution mode, therefore repeats no more.
When bearing arrangement 21 was oiliness bearing (sleeve bearing), motor 20 more can comprise an oil enveloping structure 28, and oil enveloping structure 28 is arranged in the axle sleeve 27, and the top of adjacent shafts bearing structure 21, and rotating shaft 234 wears the perforation 281 of oil enveloping structure 28.Oil enveloping structure 28 can be with when preventing motor 20 running, and the lubricating oil of bearing arrangement (oiliness bearing) 21 is from the ejection of axle sleeve 27 top end openings, avoids leakage of oil and influence the usefulness of profit certainly of rotating shaft 234 runnings.
The carrying platform 260 that magnetic element 24, magnetic conductive material constitute forms magnetic circuit with the rotating shaft 234 that magnetic conductive material is processed; Comparatively stablize smooth-goingly when its magnetic action is rotated rotating shaft 234 and operate; Reduce noise and vibration; Lower noise and vibration when the motor constant speed drive is provided more can be avoided noise and vibrated excessive when the motor accelerated service.In addition, between rotating shaft 234 bottoms and the magnetic element 24, can be provided with a wear plate 29, it is smooth-going that rotating shaft 234 rotations are comparatively stablized, and can lower the wearing and tearing of rotating shaft 234.
In addition, shown in Fig. 3 A to Fig. 5 B, base 26 can have at least one holes (hole that penetrates) 261, and present embodiment is that example is explained with a plurality of holes 261, its non-can in order to the restriction the present invention.Those holes 261 can be symmetry or asymmetric configuration; Those holes 261 shape or size each other also can be identical or inequality; And the corresponding contiguous middle of carrying platform that magnetic element 24 is set can not established holes (Fig. 3 A, Fig. 4 A, Fig. 5 A), also can be provided with holes (like Fig. 3 B, Fig. 4 B, Fig. 5 B).During ejection formation, constitute material (for example plastic cement) the meeting coating holes 261 of axle sleeve 27 and base 26 bottoms around the contiguous holes 261, increase the contact area between different materials thus, further improve strength of connection.The person of noting, though more than be example with the holes, yet blind hole (hole that does not penetrate, figure shows) but be passerby also, during ejection formation, the material (for example plastic cement) that constitutes axle sleeve 27 can be inserted blind hole equally, can reach the effectiveness of raising strength of connection equally.
Through above-mentioned composition structure, when motor 20 starts, the coil 221 of stator structure 22 will be excitatory with electric power, and magnetic force produces magnetic force via pole piece 222 with the tape 233 of rotor structure 23, makes rotor structure 23 rotate.The rotating shaft 234 of rotor structure 23 is because receiving the magnetic action of magnetic element 24 attracts, and rotor structure 23 can more stable running, and then reduces the generation of noise and vibration, and reduces the wearing and tearing of element.
In addition; What deserves to be mentioned is; Because magnetic element 24 is to be arranged at base 26 and axle sleeve 27 formed accommodation space S, so magnetic element 24 can directly see through the location that axle sleeve 27 carry out horizontal direction, and through carrying out the location of vertical direction with the magnetic attraction of base 26; And do not need extra location and the retaining element that other are set, can simplify the global design of motor 20.
Please with reference to Fig. 6 A and Fig. 6 B, it is the fan 2 and the fan 1A that does not dispose magnetic element of configuration magnetic element 24, and the two is in starting fan moment and decide the measurement comparison diagram of the vibration values under the rotating speed.Can know that by Fig. 6 A the fan 1A that does not dispose magnetic element is at the vibrational waveform W that starts moment
1Vibrational waveform W with fan 2
2Compare vibrational waveform W
1Have bigger fluctuation, and vibrational waveform W
1Maximum much larger than vibrational waveform W
2Maximum.In addition, can know that the vibration that fan 1A is produced is also greater than the vibration situation of fan 2 at the measurement comparison diagram of deciding under the rotating speed running shown in Fig. 6 B.Therefore, fan 2 and existing fan 1A relatively, no matter fan 2 is the vibrational waveform W when transient state running or quiet rum
2, all be superior to the vibrational waveform W of fan 1A
1In other words, fan 2 can reduce the noise that vibrates and produced really effectively.
Then, please with reference to Fig. 7 to Fig. 9, it is the fan of preferred embodiment of the present invention and the different sketch mapes that change aspect of motor thereof.As shown in Figure 7, fan 3 is with the difference of fan 2: the carrying platform 260 of fan 3 has a holes 261.Wherein, fan 3 is to see through material (for example plastic cement) the coating holes 261 of formation axle sleeve 27 and base 26 bottoms around the contiguous holes 261, increases the contact area between different materials thus, the raising strength of connection.Thereby fan 3 does not have and produces the doubt that lubricating oil leaks outside.
As shown in Figure 8, fan 4 is with the difference of fan 2: base 26 is not provided with holes 261, and fan 4 is when ejection formation axle sleeve 27; When the material (for example plastic cement) of formation axle sleeve 27 coats the bottom of base 26; Leave at least one through hole O, in the present invention, this through hole O is also not essential.Because the carrying platform 260 of fan 4 does not have holes; Therefore do not influencing under the prerequisite that stability of structure and lubricating oil leaks outside; Ejection formation leaves consumption that through hole O can save plastics to save cost; And increase fan 4 simultaneously when making, the grasping part of anchor clamps (figure shows) so that manufacture craft carry out.In addition, a plurality of through hole O can be set during ejection formation axle sleeve 27 according to the demand of reality.
Then, please with reference to Fig. 9, in the present embodiment, fan 5 is with the difference of fan 2: the carrying platform 260 of fan 5 has a holes 261, and leaves two through hole O during ejection formation axle sleeve 27, stresses that once more in the present invention, this through hole O is also not essential.Wherein, holes 261 and through hole O are for shifting to install, and therefore, fan 5 does not have and produces the doubt that lubricating oil leaks outside.
In sum, because of according to a kind of fan of the present invention and motor thereof, make the rotating shaft stable rotation with magnetic absorption through the configuration magnetic element; Lower noise and vibration when the motor constant speed drive is provided; More can be when the motor accelerated service, avoid noise and vibrate excessive, thereby realize reducing noise and vibration; And then the wearing and tearing of lowering element, and improve applicability.
The above is merely illustrative, but not is restricted person.Anyly do not break away from spirit of the present invention and category, and, all should be contained in the appended claim its equivalent modifications of carrying out or change.
Claims (13)
1. motor comprises:
Base has carrying platform;
Axle sleeve, itself and this base links;
Bearing arrangement is arranged in this axle sleeve;
Rotor structure has rotating shaft, and this rotating shaft wears this bearing arrangement; And
Magnetic element, to should rotating shaft and be arranged on this carrying platform, this magnetic element magnetic action be in this rotating shaft.
2. motor as claimed in claim 1, wherein this base or this carrying platform are processed by magnetic conductive material.
3. motor as claimed in claim 2, wherein this magnetic conductive material is a metal or alloy.
4. motor as claimed in claim 2, wherein this magnetic element is adsorbed in this carrying platform.
5. motor as claimed in claim 1, wherein this base and this axle sleeve are one-body molded is solid memder.
6. motor as claimed in claim 5, wherein this axle sleeve is through penetrating this carrying platform that the wrap molding mode links this base.
7. motor as claimed in claim 6, wherein the material of the material of this base and this axle sleeve is inequality.
8. motor as claimed in claim 7, wherein this base has at least one holes or blind hole, and the material of this axle sleeve coats this holes or this blind hole.
9. motor as claimed in claim 1, wherein this bearing arrangement is oiliness bearing (sleevebearing).
10. motor as claimed in claim 9 also comprises:
Oil enveloping structure is arranged in this axle sleeve, and the top of contiguous this bearing arrangement, and wherein this oil enveloping structure has perforation, and this rotating shaft wears this perforation.
11. motor as claimed in claim 1, wherein this magnetic element is magnet or magnetite, and this rotating shaft is that magnetic conductive material is processed.
12. motor as claimed in claim 1, it also comprises stator structure, is sheathed on outside this axle sleeve.
13. a fan comprises:
Impeller; And
Like each described motor in the claim 1 to 12, this motor links and also drives this wheel rotation.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100668419A CN102684363A (en) | 2011-03-18 | 2011-03-18 | Fan and motor thereof |
| CN201610022431.7A CN105680607B (en) | 2011-03-18 | 2011-03-18 | Fan and its motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100668419A CN102684363A (en) | 2011-03-18 | 2011-03-18 | Fan and motor thereof |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610022431.7A Division CN105680607B (en) | 2011-03-18 | 2011-03-18 | Fan and its motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102684363A true CN102684363A (en) | 2012-09-19 |
Family
ID=46815878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100668419A Pending CN102684363A (en) | 2011-03-18 | 2011-03-18 | Fan and motor thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102684363A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441598A (en) * | 2013-09-05 | 2013-12-11 | 江苏三江电器集团有限公司 | Steel-plastic motor for air-conditioner |
| CN104421198A (en) * | 2013-09-04 | 2015-03-18 | 台达电子工业股份有限公司 | Fan rotor structure and manufacture method thereof |
Citations (7)
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|---|---|---|---|---|
| JP2000245101A (en) * | 1999-02-17 | 2000-09-08 | Sony Corp | Motor |
| CN1638236A (en) * | 2003-12-24 | 2005-07-13 | 松下电器产业株式会社 | Brushless motor |
| CN1953302A (en) * | 2005-10-17 | 2007-04-25 | 日本电产株式会社 | Bearing unit and electric motor furnished therewith |
| US20090021087A1 (en) * | 2007-07-18 | 2009-01-22 | Nidec Corporation | Motor |
| CN201435637Y (en) * | 2008-12-17 | 2010-03-31 | 昆山广兴电子有限公司 | Base of motor frame |
| US20100148607A1 (en) * | 2008-12-11 | 2010-06-17 | Nidec Corporation | Bearing device, spindle motor and disk drive apparatus |
| CN101162330B (en) * | 2007-11-29 | 2010-07-28 | 友达光电股份有限公司 | LCD and backlight module structure, front frame and back board thereof, and manufacturing method thereof |
-
2011
- 2011-03-18 CN CN2011100668419A patent/CN102684363A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000245101A (en) * | 1999-02-17 | 2000-09-08 | Sony Corp | Motor |
| CN1638236A (en) * | 2003-12-24 | 2005-07-13 | 松下电器产业株式会社 | Brushless motor |
| CN1953302A (en) * | 2005-10-17 | 2007-04-25 | 日本电产株式会社 | Bearing unit and electric motor furnished therewith |
| US20090021087A1 (en) * | 2007-07-18 | 2009-01-22 | Nidec Corporation | Motor |
| CN101162330B (en) * | 2007-11-29 | 2010-07-28 | 友达光电股份有限公司 | LCD and backlight module structure, front frame and back board thereof, and manufacturing method thereof |
| US20100148607A1 (en) * | 2008-12-11 | 2010-06-17 | Nidec Corporation | Bearing device, spindle motor and disk drive apparatus |
| CN201435637Y (en) * | 2008-12-17 | 2010-03-31 | 昆山广兴电子有限公司 | Base of motor frame |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104421198A (en) * | 2013-09-04 | 2015-03-18 | 台达电子工业股份有限公司 | Fan rotor structure and manufacture method thereof |
| CN104421198B (en) * | 2013-09-04 | 2018-10-16 | 台达电子工业股份有限公司 | The rotor structure and its manufacturing method of fan |
| CN103441598A (en) * | 2013-09-05 | 2013-12-11 | 江苏三江电器集团有限公司 | Steel-plastic motor for air-conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120919 |