CN103375414A - Heat dissipation fan and electronic device with same - Google Patents

Heat dissipation fan and electronic device with same Download PDF

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Publication number
CN103375414A
CN103375414A CN2012101257521A CN201210125752A CN103375414A CN 103375414 A CN103375414 A CN 103375414A CN 2012101257521 A CN2012101257521 A CN 2012101257521A CN 201210125752 A CN201210125752 A CN 201210125752A CN 103375414 A CN103375414 A CN 103375414A
Authority
CN
China
Prior art keywords
radiation fan
magnet ring
rotor
stator
inductor coil
Prior art date
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.)
Granted
Application number
CN2012101257521A
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Chinese (zh)
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CN103375414B (en
Inventor
陈文正
廖建尧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Furui Precise Component Kunshan Co Ltd
Hon Hai Precision Industry Co Ltd
Original Assignee
Furui Precise Component Kunshan Co Ltd
Hon Hai Precision Industry Co Ltd
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Filing date
Publication date
Application filed by Furui Precise Component Kunshan Co Ltd, Hon Hai Precision Industry Co Ltd filed Critical Furui Precise Component Kunshan Co Ltd
Priority to CN201210125752.1A priority Critical patent/CN103375414B/en
Publication of CN103375414A publication Critical patent/CN103375414A/en
Application granted granted Critical
Publication of CN103375414B publication Critical patent/CN103375414B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

A heat dissipation fan comprises a stator and a rotor covering the stator. Coils are wound around the stator, and the rotor comprises a hub and a magnet ring arranged on the inner wall of the hub; after being electrified, the coils can generate a magnetic field which interacts with the magnetic field generated by the magnet ring to drive the rotor to rotate. The heat dissipation fan also comprises an induction coil and an indicator light electrically connected with the induction coil, the hub covers the induction coil, and the induction coil cuts magnetic induction lines during the rotation of the rotor to generate induced current to actuate the indicator light to light. Compared with the prior art, the heat dissipation fan comprises the induction coil arranged inside the hub and the indicator light electrically connected with the induction coil, after being electrified, the coils can generate the magnetic field which interacts with the magnetic field generated by the magnet ring to drive the rotor to rotate, and the induction coil cuts the magnetic induction lines under the action of the variable magnetic field to generate the induced current to actuate the indicator light to light, and further the operation condition of the determination of the heat dissipation fan can be facilitated through the indicator light. The invention also relates to an electronic device with the heat dissipation fan.

Description

Radiation fan and have the electronic equipment of this radiation fan
Technical field
The present invention is about a kind of radiation fan and have the electronic equipment of this radiation fan, espespecially a kind of electronic equipment that feeds back the radiation fan of fan running information and have this radiation fan.
Background technique
Development along with electronic and information industry, the operation frequency of electronic component (such as central processing unit (CPU)) constantly promotes, and then the heat of the described generation of electronic component also increases thereupon, temperature constantly raises, the performance of electronic component operation in serious threat, for guaranteeing the normal operation of electronic component, usually install a radiator additional at electronical elements surface, a radiation fan auxiliary electron element radiating is installed on radiator.
Existing fan comprises a center pillar that is positioned at the center, be fixed in this extra-stelar stator, be wound in coil on this stator, be embedded at intrastelar bearing and by the rotor of this bearings.This rotor generally includes a wheel hub, be located on some flabellums of wheel hub outer rim and be attached at a magnet ring of this wheel hub inwall.During work, the magnetic field that coil produces after the energising and the magnetic force interphase interaction of magnet ring, reaching the purpose of rotation, thereby the generation air-flow is to dispel the heat to heater element.
Yet, after existing radiation fan is assembled in the corresponding case of electronic device, because the cover of housing is established and can't be had or not running by the visual fan of learning again, when fan breaks down when no longer rotating, the working state of this fan can not in time feed back to outside, causes easily the electronic component superheating phenomenon to occur.So, need further to improve.
Summary of the invention
In view of this, be necessary to provide a kind of electronic equipment that feeds back the radiation fan of fan running information and have this radiation fan.
A kind of radiation fan, comprise a stator and cover a rotor of establishing this stator, described stator is provided with coiling, described rotor comprises a wheel hub and is located at the magnet ring of this wheel hub inwall, the magnetic field interaction that generation magnetic field and magnet ring produce behind the described coil electricity makes rotor, this radiation fan also comprises an inductor coil and is electrically connected the tutorial light of this inductor coil, described hubcap is established this inductor coil, this inductor coil cutting magnetic induction line and to produce induction current luminous to drive this tutorial light when rotor.
A kind of electronic equipment, comprise the housing with an opening and be contained in the interior radiation fan of this housing, this radiation fan comprises a stator and covers a rotor of establishing this stator, described stator is provided with coiling, described rotor comprises a wheel hub and is located at the magnet ring of this wheel hub inwall, the magnetic field interaction that generation magnetic field and magnet ring produce behind the described coil electricity makes rotor, this radiation fan also comprises an inductor coil and is electrically connected the tutorial light of this inductor coil, described hubcap is established this inductor coil, this inductor coil cutting magnetic induction line and produce induction current to drive the luminous described radiation fan of this tutorial light when rotor, the tutorial light of described radiation fan is located at outside this housing.
Compared with prior art, radiation fan of the present invention and the electronic equipment with this radiation fan comprise a tutorial light that is arranged at the inductor coil in the wheel hub and is electrically connected with this inductor coil, after the energising, described coil produces the magnetic field interaction of magnetic field and magnet ring generation, impel rotor to rotate, described inductor coil cutting magnetic induction line under the changing magnetic field effect produces induction current, and conduct to housing and impel tutorial light luminous outward, in order to differentiate the working order of radiation fan in housing by this tutorial light.Described tutorial light utilizes the magnetic fields of radiation fan itself luminous, does not need the electric power of consumption systems, energy-saving convenient.
With reference to the accompanying drawings, the invention will be further described in conjunction with embodiment.
Description of drawings
Fig. 1 is the generalized section of the sink of an embodiment of the present invention.
Fig. 2 is the generalized section of the sink of another embodiment of the present invention.
The primary component symbol description
Radiation fan 100
Base 10
Impeller 20
Inductor coil 30
Tutorial light 40
Wire 50
Center pillar 11
Projection 12
Flange 13
Bearing 21
Stator 22
Rotor 23
Axis hole 211
Circuit board 221
Armature winding 222
Coil 223
Wheel hub 231
Rotating shaft 232
Blade 233
Magnet ring 234
The protection clamshell 235
Loam cake 236
Side plate 237
Anti-oil cap 238
Electronic equipment 60
Housing 61
Top board 611
Sidewall 612
Opening 62
Following embodiment further specifies the present invention in connection with above-mentioned accompanying drawing.
Embodiment
See also Fig. 1, the radiation fan 100 that one embodiment of the invention provides comprises a base 10 and is arranged on a impeller 20 on this base 10, is positioned at an inductor coil 30 of this impeller 20 and a tutorial light 40 that is connected by wire 50 with this inductor coil 30.
Concrete, described base 10 is the planar of rule, extend to form a center pillar 11 on the mediad of described base 10, this center pillar 11 is cylindric, radially outward along center pillar 11 on the outer wall of center pillar 11 bottoms protrudes out formation one projection 12, be convexly equipped with formation one flange 13 to center pillar 11 interior central positions on the internal face of center pillar 11 bottoms, this flange 13 is circular and is integrally formed on center pillar 11 internal faces.
Described impeller 20 comprises that the bearing 21, of being located at these base 10 central authorities is sheathed on the rotor 23 that bearing 21 outer stators 22 and are surrounded on stator 22 peripheries.
The bottom embedding of described bearing 21 is fixed in this center pillar 11 and is connected to this flange 13 upper surfaces, and these bearing 21 central authorities are provided with an axis hole 211, match with rotor 23 for follow-up.
This stator 22 is sheathed on the periphery of bearing 21, this stator 22 comprises the circuit board 221 of an annular and an armature winding 222 that is electrically connected with this circuit board 221, the aperture of the circuit board 221 of described annular is a bit larger tham external diameter and sheathed projection 12 peripheries that contact at this center pillar 11 of center pillar 11, twine on the described armature winding 222 and form coil 223, described coil 223 can produce magnetic field after energising.
This rotor 23 comprises a wheel hub 231, from the rotating shaft 232 of wheel hub 231 mediad downward-extensions, be located on wheel hub 231 some blades 233, be contained in the magnet ring 234 of wheel hub 231 inwalls and be located in magnet ring 234 and wheel hub 231 internal faces between protection clamshell 235.
Described wheel hub 231 comprises a loam cake 236 and bends the side plate 237 that downward one extends to form from these loam cake 236 edges, described loam cake 236 is circular, described loam cake 236 is positioned at the top of this stator 22, the periphery that described side plate 237 is located in this stator 22, and namely these wheel hub 231 covers are established described stator 22.The gap that is separated by between the lower end surface of this wheel hub 231 and this circuit board 221, and the external diameter of this wheel hub 231 equates with the external diameter of this circuit board 221.
Described rotating shaft 232 rotatably is contained in this axis hole 211.The top of this bearing 21 is provided with an anti-oil cap 238 and is used for seal oil in axis hole 211, be that the oil storage space that common sealing forms a sealing between described rotating shaft 232, anti-oil cap 238 and the bearing 21 is accommodated lubricant oil, follow-up lubricant oil produces dynamic pressure distribution between bearing 21 and rotating shaft 232, this rotating shaft 232 is rotated in bearing 21.
Described blade 233 is located on these side plate 237 peripheries and stretches out from side plate 237 levels.
Described magnet ring 234 is located at the inwall of this side plate 237 and is parallel to each other with described side plate 237, the height degree of this magnet ring 234 is slightly less than the height of this side plate 237, described magnet ring 234 is along alternately being distributed with the N utmost point and the S utmost point on its circumferencial direction, the magnetic field interaction that coil 223 produces after the magnetic field that described magnet ring 234 produces and this energising, impel this rotor 23 relative these stator 22 rotations, drive blade 233 rotations of wheel hub 231 peripheries, thereby produce air-flow to reach the effect to the heat radiation of electronic component (not shown).Certainly, the N utmost point of described magnet ring 234 and the S utmost point two ends of magnet ring 234 that also can distribute vertically.
Described protection clamshell 235 is located between the inwall of magnet ring 234 and wheel hub 231, and the vertical part upper surface that covers magnet ring 234 that extends, and it is used for strengthening the intensity of wheel hub 231 and blade 233, protects simultaneously this magnet ring 234.
This inductor coil 30 is located on this circuit board 221, and these inductor coil 30 correspondences be positioned at this magnet ring 234 under, herein, 30 magnetic field inductions that can be subject to this magnet ring 234 of this inductor coil are the strongest.Certainly, this inductor coil 30 also can be positioned at the position that the center is slightly departed from these magnet ring 234 belows.In the present embodiment, described tutorial light 40 is a LED light, and it is located on this base 10 and with described inductor coil 30 and is spaced a distance.Described tutorial light 40 is connected by wire 50 with this inductor coil 30, and described wire 50 conducts to tutorial light 40 with the electric current at inductor coil 30 places and impels tutorial light 40 luminous.Concrete, after these radiation fan 100 energisings, producing magnetic field after coil 223 energisings on the stator 22, the magnetic field interaction that the magnetic field that described magnet ring 234 produces and coil 223 produce orders about rotor 23 around these stator 22 rotations.According to Faraday law of electromagnetic induction, when a part of conductor of closed circuit is done the cutting magnetic induction line motion, will generation current on conductor.In the process of rotor 23 rotations, the magnetic pole of this magnet ring 234 is with respect to these inductor coil 30 motions, so that the segment conductor cutting magnetic induction line on the inductor coil 30 and then generation induction current, induction current conducts to tutorial light 40 by wire 50, impels these tutorial light 40 tutorial light luminous.
During assembling, described radiation fan 100 usually is arranged on and is used in the electronic equipment 60 the electronic component (not shown) is dispelled the heat, in the present embodiment, this electronic equipment 60 comprises a housing 61, described housing 61 is located on this base 10, and described housing 61 comprises a top board 611 relative with this base 10 and connects the sidewall 612 of this base 10 and top board 611.This housing 61 is used for accommodating this radiation fan 100 and other electronic components, and described top board 611 and sidewall 612 all are the planar of rule, and this sidewall 612 extends to form from the downward one of these top board 611 edge-perpendicular.And this sidewall 612 forms an opening 62 near end and this base 10 intervals of this base 10, is used for wearing the wire 50 that connects this inductor coil 30 and tutorial light 40.Described tutorial light 40 is located at outside this housing 61, and forms electric connection by wire 50 and this inductor coil 30, during electronic equipment 60 operation like this, can differentiate by the luminous situation of these housing 61 outer tutorial light 40 working order of housing 61 interior radiation fans 100.
See also Fig. 2, be another embodiment of the present invention, the structure among this embodiment among radiation fan 100 and the first embodiment is basic identical, and difference is that described inductor coil 30 is located on the armature winding 222 of stator 22.
Compared with prior art, radiation fan 100 of the present invention comprises a tutorial light 40 that is arranged at the inductor coil 30 in the wheel hub 231 and is electrically connected with this inductor coil 30, after the energising, described coil 223 produces the magnetic interaction of magnetic field and magnet ring, impel rotor 23 to rotate, magnet ring 234 constantly switches magnetic pole, inductor coil 30 cutting magnetic induction line under the changing magnetic field effect produces induction current, and conduct to outer tutorial light 40 flashings that impel of housing 61, in order to differentiate the working order of housing 61 interior radiation fans 100 by this tutorial light 40, described tutorial light 40 utilizes the magnetic fields of radiation fan 100 itself luminous, does not need the electric power of consumption systems, energy-saving convenient.
Be understandable that, for the person of ordinary skill of the art, can make other various corresponding changes and distortion by technical conceive according to the present invention, and all these change the protection domain that all should belong to claim of the present invention with distortion.

Claims (10)

1. radiation fan, comprise a stator and cover a rotor of establishing this stator, described stator is provided with coiling, described rotor comprises a wheel hub and is located at the magnet ring of this wheel hub inwall, the magnetic field interaction that generation magnetic field and magnet ring produce behind the described coil electricity makes rotor, it is characterized in that: this radiation fan also comprises an inductor coil and is electrically connected the tutorial light of this inductor coil, described hubcap is established this inductor coil, this inductor coil cutting magnetic induction line and to produce induction current luminous to drive this tutorial light when rotor.
2. radiation fan as claimed in claim 1 is characterized in that: described magnet ring is along alternately being distributed with the N utmost point and the S utmost point on its circumferencial direction or described magnet ring two ends vertically are respectively equipped with the N utmost point and the S utmost point.
3. radiation fan as claimed in claim 1, it is characterized in that: this stator comprises an armature winding, this inductor coil is located on this armature winding.
4. radiation fan as claimed in claim 3, it is characterized in that: this inductor coil is positioned at the below of this magnet ring.
5. radiation fan as claimed in claim 4, it is characterized in that: this stator comprises a circuit board, this inductor coil is located on this circuit board, and be positioned at this magnet ring under.
6. radiation fan as claimed in claim 5, it is characterized in that: described radiation fan also comprises a base, extend to form a cylindric center pillar on the mediad of described base, protrude out along the radially outward of center pillar on the outer wall of center pillar and form flat column projection, the sheathed butt of this circuit board should projection and is positioned on this base.
7. radiation fan as claimed in claim 6, it is characterized in that: be convexly equipped with to intrastelar central position on the internal face of described center pillar and form a flange, this flange is circular and is integrally formed on the center pillar, described radiation fan comprises also that the bottom of the bearing of being located at base central authorities, described bearing embeds and is fixed in this center pillar and is connected to this lug upper surface, these bearing central authorities are provided with an axis hole, described rotor comprises that described rotating shaft rotatably is contained in this axis hole from a rotating shaft of wheel hub mediad downward-extension.
8. radiation fan as claimed in claim 1 is characterized in that: described rotor comprises a protection clamshell, and this protection clamshell is located between the inwall of magnet ring and wheel hub, and from the part upper surface of its top vertical-horizontal extension covering magnet ring.
9. radiation fan as claimed in claim 1, it is characterized in that: described tutorial light is LED light.
10. an electronic equipment comprises the housing with an opening and is contained in the interior radiation fan of this housing, and described radiation fan is the described radiation fan of claim 1 to 9 any one, and the tutorial light of described radiation fan is located at outside this housing.
CN201210125752.1A 2012-04-26 2012-04-26 Radiator fan and there is the electronic installation of this radiator fan Expired - Fee Related CN103375414B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210125752.1A CN103375414B (en) 2012-04-26 2012-04-26 Radiator fan and there is the electronic installation of this radiator fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210125752.1A CN103375414B (en) 2012-04-26 2012-04-26 Radiator fan and there is the electronic installation of this radiator fan

Publications (2)

Publication Number Publication Date
CN103375414A true CN103375414A (en) 2013-10-30
CN103375414B CN103375414B (en) 2016-12-28

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CN201210125752.1A Expired - Fee Related CN103375414B (en) 2012-04-26 2012-04-26 Radiator fan and there is the electronic installation of this radiator fan

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108207750A (en) * 2018-02-06 2018-06-29 广东博宇集团有限公司 A kind of aquarium
CN108271728A (en) * 2018-02-06 2018-07-13 广东博宇集团有限公司 A kind of aquarium
CN109209943A (en) * 2018-09-20 2019-01-15 句容市江电电器机械有限公司 A kind of blower of distribution box
CN109917889A (en) * 2019-02-27 2019-06-21 苏州浪潮智能科技有限公司 A kind of server power supply unit and server
CN109918263A (en) * 2019-02-27 2019-06-21 苏州浪潮智能科技有限公司 Device for measuring rotating speed of fan and server applied to server
CN109973404A (en) * 2017-12-25 2019-07-05 北汽福田汽车股份有限公司 Electricity generation system, fan and vehicle
CN110345096A (en) * 2018-04-04 2019-10-18 长鑫存储技术有限公司 Heat dissipation device, semiconductor production system and fault monitoring method of heat dissipation fan
CN110873070A (en) * 2019-12-17 2020-03-10 东莞市奇芳电气有限公司 Fan with real-time running state feedback
CN111278264A (en) * 2020-03-24 2020-06-12 Oppo广东移动通信有限公司 Heat dissipation assembly of electronic equipment and electronic equipment
CN111434924A (en) * 2019-01-11 2020-07-21 劳斯莱斯有限公司 Electric machine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030025526A (en) * 2001-09-21 2003-03-29 선온웰스 일렉트릭 머신 인더스트리 컴퍼니 리미티드 Heat-dissipating fan structure
CN2842032Y (en) * 2005-07-22 2006-11-29 富准精密工业(深圳)有限公司 Radiating fan
CN101071971A (en) * 2006-05-12 2007-11-14 陈丞修 Three-phase electric motor capable of generating inductive voltage output
CN101075759A (en) * 2006-05-19 2007-11-21 富准精密工业(深圳)有限公司 Radiating fan

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030025526A (en) * 2001-09-21 2003-03-29 선온웰스 일렉트릭 머신 인더스트리 컴퍼니 리미티드 Heat-dissipating fan structure
CN2842032Y (en) * 2005-07-22 2006-11-29 富准精密工业(深圳)有限公司 Radiating fan
CN101071971A (en) * 2006-05-12 2007-11-14 陈丞修 Three-phase electric motor capable of generating inductive voltage output
CN101075759A (en) * 2006-05-19 2007-11-21 富准精密工业(深圳)有限公司 Radiating fan

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109973404A (en) * 2017-12-25 2019-07-05 北汽福田汽车股份有限公司 Electricity generation system, fan and vehicle
CN108207750A (en) * 2018-02-06 2018-06-29 广东博宇集团有限公司 A kind of aquarium
CN108271728A (en) * 2018-02-06 2018-07-13 广东博宇集团有限公司 A kind of aquarium
CN108207750B (en) * 2018-02-06 2024-02-09 广东博宇集团有限公司 Aquarium
CN108271728B (en) * 2018-02-06 2023-12-05 广东博宇集团有限公司 Aquarium
CN110345096A (en) * 2018-04-04 2019-10-18 长鑫存储技术有限公司 Heat dissipation device, semiconductor production system and fault monitoring method of heat dissipation fan
CN109209943A (en) * 2018-09-20 2019-01-15 句容市江电电器机械有限公司 A kind of blower of distribution box
CN111434924A (en) * 2019-01-11 2020-07-21 劳斯莱斯有限公司 Electric machine
CN111434924B (en) * 2019-01-11 2024-02-02 劳斯莱斯有限公司 Aircraft engine with integrated electric motor
CN109918263A (en) * 2019-02-27 2019-06-21 苏州浪潮智能科技有限公司 Device for measuring rotating speed of fan and server applied to server
CN109917889A (en) * 2019-02-27 2019-06-21 苏州浪潮智能科技有限公司 A kind of server power supply unit and server
CN110873070A (en) * 2019-12-17 2020-03-10 东莞市奇芳电气有限公司 Fan with real-time running state feedback
CN111278264A (en) * 2020-03-24 2020-06-12 Oppo广东移动通信有限公司 Heat dissipation assembly of electronic equipment and electronic equipment

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