CN107806430A - Piezoelectric fan, radiator and electronic equipment - Google Patents
Piezoelectric fan, radiator and electronic equipment Download PDFInfo
- Publication number
- CN107806430A CN107806430A CN201711062411.3A CN201711062411A CN107806430A CN 107806430 A CN107806430 A CN 107806430A CN 201711062411 A CN201711062411 A CN 201711062411A CN 107806430 A CN107806430 A CN 107806430A
- Authority
- CN
- China
- Prior art keywords
- air
- vibrating reed
- piezoelectric
- piezoelectric element
- piezoelectric fan
- 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.)
- Pending
Links
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 69
- 244000273256 Phragmites communis Species 0.000 claims description 12
- 238000002791 soaking Methods 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 230000005670 electromagnetic radiation Effects 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 1
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/0005—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing non-specific motion; Details common to machines covered by H02N2/02 - H02N2/16
- H02N2/001—Driving devices, e.g. vibrators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/0005—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing non-specific motion; Details common to machines covered by H02N2/02 - H02N2/16
- H02N2/005—Mechanical details, e.g. housings
Abstract
The disclosure provides a kind of piezoelectric fan, radiator and electronic equipment.Wherein piezoelectric fan includes air-blast device, and the air-blast device includes vibrating reed and the piezoelectric element being contained on the vibrating reed.The air-blast device also includes air blast space and the air outlet connected with the air blast space, and the air blast space is surrounded after being connected with each other by the vibrating reed to be formed, and the piezoelectric element can drive the vibrating reed vibration to produce air draught.For the disclosure by the way that piezoelectric element is located on vibrating reed, piezoelectric element, which can drive vibrating reed vibration to produce, can meet the air draughts of radiating requirements, it is not necessary to extra air intake space, it is simple in construction, occupy little space, beneficial to the thin design of electronic equipment.
Description
Technical field
This disclosure relates to technical field of heat dissipation, more particularly to a kind of piezoelectric fan, radiator and electronic equipment.
Background technology
The radiating mode of tablet personal computer is that the heat of thermal source is transmitted into structural member using heat pipe, recycles free convection will
Heat in structural member is passed in air.When power of heat source is higher, radiating fin is conducted heat to using heat pipe, is then utilized
Centrifugal fan radiating fin is blowed cooling, so as to which heat to be discharged to the casing of tablet personal computer.
Because centrifugal fan is side air inlet, can be influenceed by casing.Simultaneously because outward appearance needs, cabinet sides are (i.e.
Face centrifugal fan air inlet) can not perforate, so need to ensure to have between shell and centrifugal fan air inlet it is certain away from
Meet air quantity demand from (air intake space).Further, since the special construction of tablet personal computer, causes to protect to improve air quantity
Demonstrate,prove certain air intake height so that the gross thickness of tablet personal computer can not be too thin, and the lightening design to tablet personal computer is unfavorable.
The content of the invention
The disclosure provides a kind of piezoelectric fan, radiator and electronic equipment, to solve the deficiency in correlation technique.
According to the first aspect of the embodiment of the present disclosure, there is provided a kind of piezoelectric fan, including air-blast device, the air-blast device
Including vibrating reed and the piezoelectric element being contained on the vibrating reed；
The air-blast device also includes air blast space and the air outlet that is connected with the air blast space, the air blast space by
The vibrating reed surrounds after being connected with each other to be formed, and the piezoelectric element can drive the vibrating reed vibration to produce air gas
Stream.
Optionally, the vibrating reed is provided with two, and two vibrating reeds are oppositely arranged, and is received on each vibrating reed
Have at least one piezoelectric element.
Optionally, two vibrating reeds are arranged at intervals, and the edge of two vibrating reeds is by bonding gemel connection, institute
State adhesive glue and be encircled into the air blast space and the air outlet with two vibrating reeds.
Optionally, the vibrating reed is provided with to house the holding part of the piezoelectric element, and the piezoelectric element houses
It is in the holding part and affixed with the vibrating reed.
Optionally, the piezoelectric element is adhesively fixed with the vibrating reed.
Optionally, the air-blast device is provided with multiple, multiple spaced settings of air-blast device.
Optionally, the piezoelectric fan also includes shielding part, and the shielding part is on the outside of the vibrating reed, for shielding
Electromagnetic radiation.
Optionally, the piezoelectric element is rounded.
According to the second aspect of the embodiment of the present disclosure, there is provided a kind of radiator, including radiating fin and disclosure first party
Piezoelectric fan described in face, the set location of the radiating fin correspond to the air outlet of the piezoelectric fan, to cause the pressure
Air draught caused by electric fan cools down the radiating fin.
Optionally, the radiator also includes the soaking plate being connected with the radiating fin, and the soaking plate is used for heat
The heat transfer in source gives the radiating fin.
According to the third aspect of the embodiment of the present disclosure, there is provided a kind of electronic equipment, including described in disclosure first aspect
Piezoelectric fan；Or the radiator described in disclosure second aspect.
Optionally, the electronic equipment also includes the inverter being connected with the piezoelectric fan, and the inverter is used for will
Direct current is converted to alternating current and used for the piezoelectric element.
The technical scheme that the disclosure provides can include the following benefits：
For the disclosure by the way that piezoelectric element is located on vibrating reed, piezoelectric element can drive vibrating reed vibration generation to expire
The air draught of sufficient radiating requirements, it is not necessary to extra air intake space, it is simple in construction, occupy little space, beneficial to electronic equipment
Thin design.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of electronic equipment and its radiator in correlation technique.
Fig. 2 is the structural representation of a kind of electronic equipment shown in the exemplary embodiment of the disclosure one.
Fig. 3 is the structural representation of the radiator of the electronic equipment shown in Fig. 2.
Fig. 4 is a kind of perspective view of piezoelectric fan shown in the exemplary embodiment of the disclosure one.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the disclosure.On the contrary, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects be described in detail in claims, the disclosure.
It is only merely for the purpose of description specific embodiment in the term that the disclosure uses, and is not intended to be limiting the disclosure.
" one kind " of singulative used in disclosure and the accompanying claims book, " described " and "the" are also intended to including majority
Form, unless context clearly shows that other implications.It is also understood that term "and/or" used herein refers to and wrapped
Containing the associated list items purpose of one or more, any or all may be combined.
As shown in figure 1, in correlation technique, electronic equipment 100 is radiated using centrifugal fan 105, and heat is by thermal source 101
Via hot pipe conducting to radiating fin 103, then dried by centrifugal fan 105 and heat is taken out of the casing 106 of electronic equipment 100.
But because centrifugal fan 105 is side air inlet, another side air-out, so needing pre- between centrifugal fan and the casing 106
Stay certain space that there is the defects of space-consuming is big as air intake space 104.Consider the appearance design demand of casing 106, casing
106 sides (i.e. the air inlet of face centrifugal fan 105) are unable to perforate, and to meet cooling requirement, the thickness of centrifugal fan 105 also has
One definite limitation so that the integral thickness of casing 106 can not be too thin.Due to the presence of centrifugal fan 105, it is unfavorable for electronic equipment 100
It is lightening.
Therefore the disclosure provides a kind of piezoelectric fan, radiator and electronic equipment, to solve the problems, such as above-mentioned at least part.
Fig. 2 is the structural representation of a kind of electronic equipment shown in the exemplary embodiment of the disclosure one；Fig. 3 is shown in Fig. 2
The structural representation of the radiator of the electronic equipment gone out.As shown in Figures 2 and 3, the electronic equipment 200 can be notebook,
Tablet personal computer, or other electronic products with fan.The electronic equipment 200 includes radiator 6 and inverter (does not show
Go out).The radiator 6 is to the progress radiating and cooling of thermal source 1 in electronic equipment 200.The radiator 6 includes radiating fin
3rd, soaking plate 2 and piezoelectric fan 4, the soaking plate 2 are fixed in electronic equipment 200 by screw 5, and piezoelectric fan 4 can also be adopted
It is screwed in electronic equipment 200.
The heat of the thermals source 1 such as the chip of the electronic equipment 200 is absorbed by soaking plate 2, and the soaking plate 2 is by thermal source 1
Heat transfer gives the radiating fin 3.The piezoelectric fan 4 electrically connects with the inverter, connects the piezoelectric fan 4 of alternating current
Air draught can be produced by dither, to cool down the radiating fin 3, so as to realize dissipating to electronic equipment 200
Heat.Wherein, the set location of the radiating fin 3 corresponds to the air outlet of the piezoelectric fan 4, so that the piezoelectric fan 4 is right
Its radiating of drying；The inverter is used to direct current (battery supplied or power supply of electronic equipment 200 are supplied) being converted to exchange
Electricity uses for the piezoelectric fan 4, to cause the piezoelectric fan 4 to vibrate.
As shown in figure 4, the piezoelectric fan 4, including air-blast device 44, the air-blast device 44 include vibrating reed 41 and set
In piezoelectric element 42 (lead zirconate titanate, PbTiO on the vibrating reed 413It is made Deng piezoelectric, applying alternating electric field can cause
The mechanically deform of crystal, apply ac high-frequency voltage, then high-frequency vibration occurs in crystal).In one embodiment, the piezoelectricity
Element 42 is contained on the vibrating reed 41, and the piezoelectric element 42 vibrates after connecing alternating current, and can drive the vibration
Piece 41 vibrates, so that the air-blast device 44 produces air draught by dither.
In the embodiment shown in Fig. 4, air-blast device 44 include about two be oppositely arranged described in shake
Moving plate 41, and two piezoelectric elements 42 being oppositely arranged, a piezoelectric element 42, which houses, is arranged at a vibration
On piece 41.Specifically, the vibrating reed 41 is provided with to house the holding part of the piezoelectric element 42, the holding part is located at institute
State the area of space at the middle part of vibrating reed 41.The piezoelectric element 42 is housed in the holding part region and consolidated with the vibrating reed 41
Connect.The fixed connection mode of the piezoelectric element 42 and the vibrating reed 41, which can use, to be adhesively fixed.For example, will using bonded adhesives 43
The piezoelectric element 42 is be bonded with the vibrating reed 41, may be such that the piezoelectric element 42 insulate with the vibrating reed 41；Simultaneously
Piezoelectric element 42 can drive the vibrating reed 41 to vibrate when vibrating.Certainly, in other examples, a vibrating reed 41
On two or more piezoelectric elements 42 can also be set.
The air-blast device 44 also includes air blast space 45 and the air outlet 46 connected with the air blast space 45, the drum
Wind space 45 is surrounded after being connected with each other by the vibrating reed 41 to be formed, and the piezoelectric element 42 can drive the vibrating reed 41 to shake
It is dynamic to extrude the air in the air blast space 45 to produce air draught.Specifically, two vibrating reeds 41 are between the upper and lower every (electricity
The above-below direction interval of the thickness direction of sub- equipment 200) set, the edge of two vibrating reeds 41 is connected by bonded adhesives 43
Connect.As shown in figure 4, the vibrating reed 41 includes three linear edges and a curved edge, two are bonded by bonded adhesives 43
The linear edge of two of which and a curved edge of the vibrating reed 41, it is described between the edge of two vibrating reeds 41
Bonded adhesives 43.The bonded adhesives 43 and two vibrating reeds 41 are encircled into air blast space 45, between two vibrating reeds 41
The linear edge (relative with curved edge) not being bonded be encircled into the air outlet 46 of air-blast device 44.The basis of air outlet 46
Demand can also set two, i.e., be encircled into the air outlet 46 at other edges of two vibrating reeds 41.
In the above-described embodiments, the rectangle for being shaped as carrying arc-shaped side of the vibrating reed 41, wherein the vibrating reed 41
Curved edge face described in air outlet 46, may be such that air draught caused by the piezoelectric element 42 and vibrating reed 41 is more preferable
Flow at the air outlet 46.In other examples, the shape of the vibrating reed 41 can also be arranged to other shapes, example
Such as, rectangle, circle etc., the disclosure is without limitation.The piezoelectric element 42 can be with oval, circular, rectangle etc..At this
Piezoelectric element 42 uses circular described in open embodiment, on the one hand can reduce the deformational stress of piezoelectric circular, on the other hand
Compared to other shapes, circle has the advantages of being easier to control the direction of vibration of the piezoelectric element 42.
The casing, radiating fin 3 and internal structure of the electronic equipment 200 are close in the side of the vibrating reed 41, can make
Obtain the inner space that the air-blast device 44 makes full use of electronic equipment 200.Because air-blast device 44 is that vibration produces air-flow, enter
Air port and air outlet 46 are co-located, without reserving air intake space.The air-blast device 44 can accomplish volume very little with
Reach the purpose of the reduction thickness of electronic equipment 200, and the light weight of air-blast device 44, the lightening of electronic equipment 200 can be achieved and set
Meter.
For the electronic equipment 200 by taking tablet personal computer as an example, the thickness of the piezoelectric element 42 can use 0.2mm piezoelectricity
Material is made, and the vibrating reed 41 can be made of 0.3mm metal material, the metal material include but is not limited to aluminium,
Alloy or stainless steel of copper etc. etc..The modulus of elasticity selection of the vibrating reed 41 can meet that structural strength will with air quantity intensity
Ask.The height the distance between (two vibrating reed 41) in the air blast space 45 can be 0.5mm, 1mm, 1.5mm, 2mm
Deng.Certainly, the height of the piezoelectric element 42, the thickness of the vibrating reed 41 and air blast space 45 can also be according to different need
Ask and select different sizes.Using the disclosure provide the piezoelectric fan 4 can make integral thickness 1mm (vibrating reed 41
Thickness, the thickness of piezoelectric element 42, the height summation in air blast space 45), can greatly save electronic equipment 200 inner space and
Thickness.
Furthermore it is also possible to multiple air-blast devices 44 are set, to meet described 200 required airflows of electronic equipment.It can incite somebody to action
Multiple (two or more) described 44 spaced setting of air-blast device, to prevent from disturbing between adjacent drum wind apparatus 44.
Multiple air-blast devices 44 are superimposed the air output that can increase the piezoelectric fan 4, and multiple air-blast devices 44 can be along institute
State electronic equipment 200 thickness direction superposition set, can also be set in the horizontal direction perpendicular to thickness direction it is multiple, or
Person sets multiple air-blast devices 44 on thickness direction and horizontal direction perpendicular to thickness direction simultaneously.
Further, the piezoelectric fan 4 also includes shielding part (not shown), and the shielding part is located at the vibrating reed
41 outsides, for shielding electromagnetic radiation.The shielding part can use shielding metal or metal grill etc..
From the technical scheme of above-mentioned offer, the disclosure is by the way that piezoelectric element 42 is located on vibrating reed 41, piezoelectricity member
Part 42, which can drive the vibrating reed 41 vibration to produce, can meet the air draughts of radiating requirements, it is not necessary to extra air intake space,
It is simple in construction, occupy little space, beneficial to the thin design of electronic equipment.
The preferred embodiment of the disclosure is the foregoing is only, not limiting the disclosure, all essences in the disclosure
God any modification, equivalent substitution and improvements done etc., should be included within the scope of disclosure protection with principle.
Claims (12)
1. a kind of piezoelectric fan, it is characterised in that including air-blast device, the air-blast device includes vibrating reed and is contained in described
Piezoelectric element on vibrating reed；
The air-blast device also includes air blast space and the air outlet connected with the air blast space, and the air blast space is by described
Vibrating reed surrounds after being connected with each other to be formed, and the piezoelectric element can drive the vibrating reed vibration to produce air draught.
2. piezoelectric fan according to claim 1, it is characterised in that the vibrating reed is provided with two, two vibrations
Piece is oppositely arranged, and contains at least one piezoelectric element on each vibrating reed.
3. piezoelectric fan according to claim 2, it is characterised in that two vibrating reeds are arranged at intervals, described in two
The edge of vibrating reed is encircled into the air blast space and institute by bonding gemel connection, the adhesive glue with two vibrating reeds
State air outlet.
4. piezoelectric fan according to claim 1, it is characterised in that the vibrating reed is provided with to house the piezoelectricity
The holding part of element, the piezoelectric element are housed in the holding part and affixed with the vibrating reed.
5. piezoelectric fan according to claim 1, it is characterised in that the piezoelectric element is Nian Jie with the vibrating reed solid
It is fixed.
6. piezoelectric fan according to claim 1, it is characterised in that the air-blast device is provided with multiple, multiple drums
The spaced setting of wind apparatus.
7. piezoelectric fan according to claim 1, it is characterised in that the piezoelectric fan also includes shielding part, the screen
Shield is on the outside of the vibrating reed, for shielding electromagnetic radiation.
8. piezoelectric fan according to claim 1, it is characterised in that the piezoelectric element is rounded.
9. a kind of radiator, it is characterised in that including the piezoelectric fan described in radiating fin and any one of claim 1 to 8, institute
The set location for stating radiating fin corresponds to the air outlet of the piezoelectric fan, to cause air draught caused by the piezoelectric fan
Cool down the radiating fin.
10. radiator according to claim 9, it is characterised in that the radiator also includes connecting with the radiating fin
The soaking plate connect, the soaking plate are used to give the heat transfer of thermal source to the radiating fin.
11. a kind of electronic equipment, it is characterised in that including the piezoelectric fan described in any one of claim 1 to 8；Or right
It is required that the radiator described in 9 to 10 any one.
12. electronic equipment according to claim 11, it is characterised in that the electronic equipment also includes and the piezoelectricity wind
The inverter of connection is fanned, the inverter uses for direct current to be converted into alternating current for the piezoelectric element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711062411.3A CN107806430A (en) | 2017-11-02 | 2017-11-02 | Piezoelectric fan, radiator and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711062411.3A CN107806430A (en) | 2017-11-02 | 2017-11-02 | Piezoelectric fan, radiator and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107806430A true CN107806430A (en) | 2018-03-16 |
Family
ID=61591530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711062411.3A Pending CN107806430A (en) | 2017-11-02 | 2017-11-02 | Piezoelectric fan, radiator and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107806430A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546789A (en) * | 2019-01-23 | 2019-03-29 | 宁波菲仕电机技术有限公司 | A kind of motor air cooling shell and gas cooled electrical machine |
| CN110195724A (en) * | 2019-07-05 | 2019-09-03 | 常州威图流体科技有限公司 | A kind of piezoelectric fan, radiator and electronic equipment |
| CN113692182A (en) * | 2021-08-05 | 2021-11-23 | Oppo广东移动通信有限公司 | Heat dissipation device and electronic equipment |
| WO2023213235A1 (en) * | 2022-05-05 | 2023-11-09 | 中兴通讯股份有限公司 | Heat dissipation apparatus and base station device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1265777A (en) * | 1997-05-30 | 2000-09-06 | Cts公司 | Low-profile axial-flow single-blade piezoelectric fan |
| CN105101747A (en) * | 2014-05-23 | 2015-11-25 | 通用电气公司 | Thermal clamp apparatus for electronic systems |
| JP2016017428A (en) * | 2014-07-07 | 2016-02-01 | 株式会社フジクラ | Air blower |
| TWM542801U (en) * | 2017-01-10 | 2017-06-01 | Arx Group | Piezoelectric fan driving device |
| CN207377839U (en) * | 2017-11-02 | 2018-05-18 | 北京小米移动软件有限公司 | Piezoelectric fan, radiator and electronic equipment |
-
2017
- 2017-11-02 CN CN201711062411.3A patent/CN107806430A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1265777A (en) * | 1997-05-30 | 2000-09-06 | Cts公司 | Low-profile axial-flow single-blade piezoelectric fan |
| CN105101747A (en) * | 2014-05-23 | 2015-11-25 | 通用电气公司 | Thermal clamp apparatus for electronic systems |
| JP2016017428A (en) * | 2014-07-07 | 2016-02-01 | 株式会社フジクラ | Air blower |
| TWM542801U (en) * | 2017-01-10 | 2017-06-01 | Arx Group | Piezoelectric fan driving device |
| CN207377839U (en) * | 2017-11-02 | 2018-05-18 | 北京小米移动软件有限公司 | Piezoelectric fan, radiator and electronic equipment |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546789A (en) * | 2019-01-23 | 2019-03-29 | 宁波菲仕电机技术有限公司 | A kind of motor air cooling shell and gas cooled electrical machine |
| CN110195724A (en) * | 2019-07-05 | 2019-09-03 | 常州威图流体科技有限公司 | A kind of piezoelectric fan, radiator and electronic equipment |
| CN113692182A (en) * | 2021-08-05 | 2021-11-23 | Oppo广东移动通信有限公司 | Heat dissipation device and electronic equipment |
| WO2023213235A1 (en) * | 2022-05-05 | 2023-11-09 | 中兴通讯股份有限公司 | Heat dissipation apparatus and base station device |
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