CN206222986U - A kind of Piezoelectric Driving from imbibition heat exchanger heat transfer system - Google Patents
A kind of Piezoelectric Driving from imbibition heat exchanger heat transfer system Download PDFInfo
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- CN206222986U CN206222986U CN201621217323.7U CN201621217323U CN206222986U CN 206222986 U CN206222986 U CN 206222986U CN 201621217323 U CN201621217323 U CN 201621217323U CN 206222986 U CN206222986 U CN 206222986U
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Abstract
The utility model discloses a kind of Piezoelectric Driving from imbibition heat exchanger heat transfer system and its heat-transferring method.The heat transfer system is included from imbibition heat exchanger（1）, AC power（3）, thermal source pipeline（6）, check valve（7）, low-temperature receiver pipeline（13）And heat dissipation element（14）；From imbibition heat exchanger（1）Including piezoelectric vibration dividing plate（2）, thermal source heat exchange cavity（8）, augmentation of heat transfer structure（9）, heat exchange dividing plate（10）With low-temperature receiver heat exchange cavity（11）.The system heat transfer method is piezoelectric vibration dividing plate（2）In AC power（3）In the presence of produce periodic vibration, change thermal source heat exchange cavity（8）With low-temperature receiver heat exchange cavity（11）Volume, coordinate check valve（7）Cut-off effect, thermal source pipeline（6）With low-temperature receiver pipeline（13）The directed circulation flowing and heat exchange of middle working medium.The system simplifies the liquid driving device in heat transfer system, improves heat exchange efficiency, meets the cooling requirements of the small electronic component in limited space.
Description
Technical field
The utility model is related to augmentation of heat transfer field, more particularly to a kind of Piezoelectric Driving from imbibition heat exchanger heat transfer system
System.
Background technology
In traditional liquid cooling heat radiation system loop, heat exchanger does not possess the effect of liquid driven.Heat source loop and cold
The directed circulation flowing of working medium in resource loop, is essentially relying in pipeline and concatenates mechanical pump and drive.Because mechanical pump has body
Product many deficiencies such as larger, operating noise is big, are unfavorable for the microminiaturization of cooling system, constrain the integrated level of cooling system.Separately
On the one hand, miniaturization with electronic manufacturing technology, integrated continuous improvement, unit volume internal heat generation amount are increased dramatically, with
As a example by computer CPU, the heat flow density produced in its running has reached 60 ~ 100W/cm2, and in semiconductor laser
Middle heat flow density is even up to 103W/cm2The order of magnitude.And the reliability of electronic device work is very sensitive to temperature, device temperature
Degree often increases by 1 DEG C in 70 ~ 80 DEG C of levels, and reliability will decline 5%, and temperature levels higher have been increasingly becoming restriction electronics
The bottleneck of device performance.Therefore the microminiaturization and high integration of cooling system, the development to electronic technology is particularly important, development set
There is important application value into the heat transfer original paper for spending heat transfer system and microminiaturization high.
Piezo-electric effect is the effect that a kind of electric energy and mechanical energy are mutually changed, and its principle is to apply pressure to piezoelectric,
It will produce potential difference, referred to as direct piezoelectric effect；Otherwise applied voltage, then produce mechanical stress, referred to as inverse piezoelectric effect.
If alternating voltage is added in when on piezoelectric ceramics, period mechanical can be produced to shake.Piezoelectric pump is that one kind utilizes piezoelectric ceramics
Inverse piezoelectric effect realize the new Micropump of fluid conveying, the application in microminiature fluid pump is increasingly extensive.In piezoelectric ceramics
Two end electrodes add alternating voltage, and periodically deforming during work by piezoelectric ceramics changes pump chamber, in combination with unidirectional
The cut-off of valve, realizes that the continuously-directional of fluid is pumped out.Because piezoelectric pump is in structure by the driving source portion of traditional electric-motor pump
Divide, running part and pump body portion three are reduced to an entirety, overcome because drive disk assembly is more, and the mechanical energy for producing disappears
Consumption, the pressure loss of working media, component wear and fatigue rupture.Therefore compared with traditional mechanical pump, piezoelectric pump has power consumption
Low, simple structure, be easy to miniaturization, it is lightweight, without electromagnetic interference, can according to controller apply voltage or FREQUENCY CONTROL output
Many advantages, such as flow.Therefore, the liquid driven principle of piezoelectric pump is integrated in heat exchanger, is conducive to the small-sized of heat-exchange system
Change, improve integrated level, while the turbulent flow that piezoelectric vibration is produced in the cavity that exchanges heat, can effectively improve heat exchange efficiency.
Heat exchanger be it is a kind of realize material between two or more fluid of different temperatures between heat transfer section
Energy equipment, is heat is passed to the relatively low fluid of temperature by temperature fluid higher, fluid temperature (F.T.) is reached flow specification
Index, to meet process conditions the need for, while being also one of the capital equipment for improving energy utilization rate.Heat exchanger is former by heat transfer
Reason classification has dividing wall type heat exchanger, heat regenerator, fluidly connects indirect type heat exchanger, direct-contact heat exchanger, compound
Heat exchanger etc., the utility model belongs to the category of dividing wall type heat exchanger.Dividing wall type heat exchanger is that two kinds of different fluids of temperature exist
Flowed in the separate space of wall, exchanged heat between wall surface convection current, two kinds of fluids by the heat conduction and fluid of wall.
Dividing wall type heat exchanger has the heat exchanger of shell-and-tube, bushing type and other patterns.Dividing wall type heat exchanger is to be most widely used at present
Heat exchanger.
Utility model content
The technical problems to be solved in the utility model is：In dividing wall type heat exchanger heat transfer system, due to heat source loop and cold
Working medium directed circulation flowing in resource loop, it is necessary to concatenate external mechanical pump, and mechanical pump has, and drive disk assembly is more, energy respectively
The features such as loss is big, operating noise is big, volume is larger, causes that integrated level is not high, is difficult to minimize；Meanwhile, concatenate external mechanical
Pump realizes that fluid drives, and is unfavorable for that heat transfer system improves heat exchanger heat transfer efficiency.
To solve the above problems, the utility model proposes a kind of Piezoelectric Driving from imbibition heat exchanger heat transfer system.
A kind of Piezoelectric Driving from imbibition heat exchanger heat transfer system, including from imbibition heat exchanger, AC power, thermal source, cold
But head, thermal source pipeline, check valve, working medium, low-temperature receiver pipeline and heat dissipation element；
It is described from imbibition heat exchanger include piezoelectric vibration dividing plate, thermal source heat exchange cavity, augmentation of heat transfer structure, heat exchange dividing plate and
Low-temperature receiver heat exchange cavity；The thermal source heat exchange cavity and low-temperature receiver heat exchange cavity are separated by heat exchange dividing plate and piezoelectric vibration dividing plate, are pressed
The fringe region of electric oscillation dividing plate is arranged on heat exchange dividing plate, and heat exchange dividing plate is supported fixation to piezoelectric vibration dividing plate；It is described
Augmentation of heat transfer even structure is distributed in the two sides of heat exchange dividing plate；The full thermal source pipeline of the working medium filling, thermal source heat exchange cavity, low-temperature receiver
Heat exchange cavity and low-temperature receiver pipeline；
The refrigerating head is contacted and heat conduction with thermal source, and the two ends of refrigerating head are respectively communicated with thermal source heat exchanging chamber by thermal source pipeline
The inlet and outlet of body；The two ends of the heat dissipation element are respectively communicated with the import of low-temperature receiver heat exchange cavity and go out by low-temperature receiver pipeline
Mouthful；The check valve is arranged on the inlet and outlet of thermal source heat exchange cavity and low-temperature receiver heat exchange cavity, in entering for thermal source heat exchange cavity
Mouth installation direction is flowed into for forward direction, is positive outflow in the outlet installation direction of thermal source heat exchange cavity, in low-temperature receiver heat exchange cavity
Import installation direction is flowed into for positive, is flowed out for positive in the outlet installation direction of low-temperature receiver heat exchange cavity；
The piezoelectric vibration dividing plate includes elastic sealing film, sheet metal and piezoelectric ceramic piece；The piezoelectric ceramic piece
Two sides be respectively fixed with sheet metal, elastic sealing film is fixed with the outside of sheet metal；The AC power it is positive and negative
Pole is connected by sheet metal of the wire respectively with piezoelectric ceramic piece both sides.
Further, the zone line of the piezoelectric vibration dividing plate can vibrate after AC power is connected, and piezoelectricity shakes
The zone line of dynamic dividing plate is contacted with working medium.
Further, the quantity of the piezoelectric vibration dividing plate is more than one, the quantity of piezoelectric vibration dividing plate for two or
During two or more, uniform distributing installation side by side is on heat exchange dividing plate, and each piezoelectric vibration dividing plate shares an AC power and carries out
Connection.
Further, the structure of the augmentation of heat transfer structure includes array trench or array column.
Further, the cross sectional shape of the array trench includes triangle, trapezoidal or rectangle.
Further, the array column cross sectional shape includes circular, rectangle or polygon.
Further, the heat dissipation element is the radiating element for including fin or fan.
Further, the working medium is the good cooling liquid of heat conductivility, including methyl alcohol, ethanol, acetone, refrigerant
FC-72, freon or water.
Further, the shape of the elastic sealing film, sheet metal and piezoelectric ceramic piece include circular, triangle or
Rectangle.
Further, the area of the sheet metal more than piezoelectric ceramic piece area, the elastic sealing film it is big
It is small in the same size with sheet metal.
Further, the thickness of the piezoelectric ceramic piece is 0.05-5mm；The thickness of the sheet metal is 0.01-1mm；
The thickness of the elastic sealing film is 0.1-2mm.
Further, the material of the elastic sealing film is including silica gel or poly- diformazan with elastically-deformable material
Radical siloxane（PDMS）.
The heat-transferring method of system described in any of the above-described, comprises the following steps：
（1）Working medium is injected and fills full thermal source pipeline, thermal source heat exchange cavity, low-temperature receiver heat exchange cavity and low-temperature receiver pipeline, gold
Category thin slice connects AC power；
（2）Piezoelectric ceramic piece drives the elasticity on the outside of the sheet metal Repeated Compression of both sides in the presence of alternating voltage
Sealing film, makes piezoelectric vibration dividing plate produce periodic vibration, changes the volume of thermal source heat exchange cavity and low-temperature receiver heat exchange cavity；
（3）Working medium exchanges heat cavity and cold in the presence of the periodic vibration and check valve of piezoelectric vibration dividing plate in thermal source
Directed flow in the heat exchanging chamber body of source, and by thermal source pipeline and low-temperature receiver pipeline, form directed circulation flowing；Heat is transmitted from thermal source
To refrigerating head, then by working medium thermal source pipeline directed circulation flow be delivered to from imbibition heat exchanger, through exchange heat dividing plate send out
Heat exchange, be delivered in the working medium of low-temperature receiver pipeline, by working medium low-temperature receiver pipeline directed circulation flow, heat transfer to dissipate
Thermal element, completes radiating.
Further, step（1）In, the waveform of the AC power is that both positive and negative polarity is in periodically variable waveform, including
SIN function, triangular wave or square wave.
Further, step（1）In, the frequency of the AC power is 10-10000Hz, and voltage is 10-300V.
Further, step（3）In, the work in the flow direction and low-temperature receiver heat exchange cavity of the working medium in thermal source heat exchange cavity
The flow direction of matter is opposite.
Further, step（3）In, working medium is produced in the directed flow of thermal source heat exchange cavity and low-temperature receiver heat exchange cavity
Be conducive to the local turbulent of heat exchange.
Compared with prior art, the utility model has the following advantages that and beneficial effect：
（1）The periodic vibration in the presence of alternating voltage that the utility model passes through piezoelectric vibration dividing plate in heat exchanger,
Change thermal source heat exchange cavity simultaneously and low-temperature receiver exchanges heat the volume of cavity, with reference to the check valve imported and exported, realize heat source loop and cold
The directed circulation flowing of worker quality liquid, instead of liquid driven mechanical pump in heat source loop and low-temperature receiver loop, reduces and passes in resource loop
The installing space of hot systems, improves energy utilization rate, reduces work noise, and the integrated level of heat exchanger heat transfer system is greatly improved,
Realize miniaturization.
（2）The utility model from piezoelectric vibration dividing plate periodic vibration in the presence of alternating voltage in imbibition heat exchanger,
Local turbulent can be formed in the cavity that exchanges heat, the heat exchange efficiency of heat exchange dividing plate in heat exchange cavity be greatly improved, in the same of miniaturization
The efficient heat exchange of Shi Shixian, improves heat exchanger heat exchange property.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram from imbibition heat exchanger heat transfer system of Piezoelectric Driving of the utility model；
Fig. 2 is the structure and scheme of installation of piezoelectric vibration dividing plate in the utility model heat transfer system.
Specific embodiment
In order to more fully understand the utility model, specific implementation method of the present utility model is made into one below in conjunction with the accompanying drawings
The explanation of step, but implementation not limited to this of the present utility model.
Shown in Fig. 1, be a kind of Piezoelectric Driving of the utility model from imbibition heat exchanger heat transfer system, including exchanged heat from imbibition
Device 1, AC power 3, thermal source 4, refrigerating head 5, thermal source pipeline 6, check valve 7, working medium 12, low-temperature receiver pipeline 13 and heat dissipation element 14；
In figure, arrow represents the direction of motion of working medium 12；Working medium 12 is the good cooling liquid of heat conductivility, including methyl alcohol, ethanol, third
Ketone, refrigerant FC-72, freon or water；
Include piezoelectric vibration dividing plate 2, thermal source heat exchange cavity 8, augmentation of heat transfer structure 9, heat exchange dividing plate 10 from imbibition heat exchanger 1
With low-temperature receiver heat exchange cavity 11；Thermal source heat exchange cavity 8 and low-temperature receiver heat exchange cavity 11 are separated by heat exchange dividing plate 10 and piezoelectric vibration dividing plate 2
Open, the fringe region of piezoelectric vibration dividing plate 2 is arranged on heat exchange dividing plate 10, and heat exchange dividing plate 10 is propped up piezoelectric vibration dividing plate 2
Support is fixed；The quantity of piezoelectric vibration dividing plate 2 is more than one, when the quantity of piezoelectric vibration dividing plate 2 is two or more,
Even distributing installation arranged side by side is on heat exchange dividing plate, and each piezoelectric vibration dividing plate shares an AC power and is attached；Augmentation of heat transfer
Structure 9 is evenly distributed on the two sides of heat exchange dividing plate 10；Full thermal source pipeline 6, thermal source heat exchange cavity 8, the low-temperature receiver heat exchange of the filling of working medium 12
Cavity 11 and low-temperature receiver pipeline 13；The structure of augmentation of heat transfer structure 9 includes array trench or array column；The section shape of array trench
Shape includes triangle, trapezoidal or rectangle；Array column cross sectional shape includes circular, rectangle or polygon；Heat dissipation element 14 is bag
Include the radiating element of fin or fan；
Refrigerating head 5 is contacted and heat conduction with thermal source 4, and the two ends of refrigerating head 5 are respectively communicated with thermal source heat exchanging chamber by thermal source pipeline 6
The inlet and outlet of body 8；The two ends of heat dissipation element 14 by low-temperature receiver pipeline 13 be respectively communicated with low-temperature receiver exchange heat cavity 11 import and
Outlet；Check valve 7 is arranged on the inlet and outlet of thermal source heat exchange cavity 8 and low-temperature receiver heat exchange cavity 11, in thermal source heat exchange cavity 8
Import installation direction is positive inflow, is flowed out for positive in the outlet installation direction of thermal source heat exchange cavity 8, in low-temperature receiver heat exchange cavity
11 import installation direction is flowed into for positive, is flowed out for positive in the outlet installation direction of low-temperature receiver heat exchange cavity 11；
As shown in Fig. 2 being the structure and scheme of installation of piezoelectric vibration dividing plate 2 in the utility model heat transfer system, piezoelectricity
Vibration dividing plate 2 includes elastic sealing film 15, sheet metal 16 and piezoelectric ceramic piece 17；The two sides of piezoelectric ceramic piece 17 is solid respectively
Surely the outside for having sheet metal 16, sheet metal 16 is fixed with elastic sealing film 15；The both positive and negative polarity of AC power 3 passes through wire
The sheet metal 16 with the both sides of piezoelectric ceramic piece 17 is connected respectively；
The shape of elastic sealing film 15, sheet metal 16 and piezoelectric ceramic piece 17 includes circular, triangle or rectangle；Gold
Belong to the area of the area more than piezoelectric ceramic piece 17 of thin slice 16, the size of elastic sealing film 15 and the size one of sheet metal 16
Cause；The thickness of piezoelectric ceramic piece 17 is 0.05-5mm；The thickness of sheet metal 16 is 0.01-1mm；The thickness of elastic sealing film 15
It is 0.1-2mm to spend；The material of elastic sealing film 15 is including silica gel or polydimethylsiloxanes with elastically-deformable material
Alkane；
The zone line of piezoelectric vibration dividing plate 2 can vibrate after AC power 3 is connected, in piezoelectric vibration dividing plate 2
Between region contacted with working medium 12；In figure, arrow represents the direction of motion of working medium 12.
Embodiment 1
In the heat transfer system of use, the thickness of piezoelectric ceramic piece is 0.05mm；The thickness of sheet metal is 0.1mm；Elasticity
The material of sealing film is silica gel, and thickness is 0.5mm；Augmentation of heat transfer structure is array trench, and trench cross section is triangle, section
Size is 0.2mm, and groove depth is 0.2mm；Heat dissipation element is the combination of fin and fan；Using a kind of above-mentioned self-priming of Piezoelectric Driving
Liquid heat exchanger heat transfer system carries out heat-transferring method.
（1）Working medium 12 is injected and full of from imbibition heat exchanger 1, thermal source pipeline 6, low-temperature receiver pipeline 13, the working medium is system
Cryogen FC-72；
（2）Piezoelectric ceramic piece 17 from imbibition heat exchanger 1 is connected into AC power 3, the waveform of AC power 3 is sine
Function, the frequency of AC power 3 is 1000 Hz, alternating current, and 3 voltage is 220V；
（3）Piezoelectric ceramic piece 17 drives the Repeated Compression two sides of sheet metal 16 on two sides in the presence of AC power 3
Elastic sealing film 15, piezoelectric vibration dividing plate 2 produces the periodic vibration of periodic vibration, piezoelectric vibration dividing plate 2 to change thermal source
The volume of heat exchange cavity 8 and low-temperature receiver heat exchange cavity 11；
（4）Working medium 12 in the presence of the periodic vibration and check valve 7 of piezoelectric vibration dividing plate 2, thermal source exchange heat cavity 8
With directed flow, the directed circulation flowing in thermal source pipeline 6 and low-temperature receiver pipeline 13 of working medium 12 in low-temperature receiver heat exchange cavity 11, thermal source changes
The flow direction of working medium is opposite with the flow direction of working medium in low-temperature receiver heat exchange cavity 11 in hot cavity 8；
（5）Meanwhile, the periodic vibration of piezoelectric vibration dividing plate 2 causes that working medium 12 exchanges heat in thermal source heat exchange cavity 8 and low-temperature receiver
The local turbulent for being conducive to heat exchange is produced in cavity 11, heat exchange efficiency is improved；
（6）Heat is delivered to from imbibition heat exchanger 1 by working medium 12 from thermal source 4 in thermal source pipeline 6, and heat passes through self-priming
The heat exchange dividing plate 10 of liquid heat exchanger 1 is delivered to the working medium in low-temperature receiver pipeline 13, and heat is again from the working medium transmission in low-temperature receiver pipeline 13
To heat dissipation element 14, heat exchange is completed.
The present embodiment realizes being sent on radiating element for heat from heat source stabilization under the big heat flow density of thermal source；Due to pressure
The vibration of electric oscillation dividing plate, flow-disturbing is caused in cavity kind, and the heat transfer efficiency of the heat transfer system is much higher than other streams under same flow
Amount pump drives heat exchanger.
Embodiment 2
In the heat transfer system of use, the thickness of piezoelectric ceramic piece is 1mm；The thickness of sheet metal is 0.5mm；Elastic packing
The material of film is dimethyl silicone polymer（PDMS）, thickness is 2 mm；Augmentation of heat transfer structure is array column, and column section is
Circle, a diameter of 0.5mm is highly 2mm；Heat dissipation element is the combination of fin and fan；Using a kind of above-mentioned Piezoelectric Driving
Heat-transferring method is carried out from imbibition heat exchanger heat transfer system,
（1）Working medium 12 is injected and full of from imbibition heat exchanger 1, thermal source pipeline 6, low-temperature receiver pipeline 13, the working medium is second
Alcohol；
（2）Piezoelectric ceramic piece 17 from imbibition heat exchanger 1 is connected into AC power 3, the waveform of AC power 3 is rectangle
Ripple, the frequency of AC power 3 is 500 Hz, alternating current, and 3 voltage is 300V；
（3）Piezoelectric ceramic piece 17 drives the Repeated Compression two sides of sheet metal 16 on two sides in the presence of AC power 3
Elastic sealing film 15, piezoelectric vibration dividing plate 2 produces the periodic vibration of periodic vibration, piezoelectric vibration dividing plate 2 to change thermal source
The volume of heat exchange cavity 8 and low-temperature receiver heat exchange cavity 11；
（4）Working medium 12 is in the presence of the periodic vibration and check valve 7 of piezoelectric vibration dividing plate 2 in thermal source heat exchange cavity 8
With directed flow, the directed circulation flowing in thermal source pipeline 6 and low-temperature receiver pipeline 13 of working medium 12 in low-temperature receiver heat exchange cavity 11, thermal source changes
The flow direction of working medium is opposite with the flow direction of working medium in low-temperature receiver heat exchange cavity 11 in hot cavity 8；
（5）Meanwhile, the periodic vibration of piezoelectric vibration dividing plate 2 causes that working medium 12 exchanges heat in thermal source heat exchange cavity 8 and low-temperature receiver
The local turbulent for being conducive to heat exchange is produced in cavity 11, heat exchange efficiency is improved；
（6）Heat is delivered to from imbibition heat exchanger 1 by working medium 12 from thermal source 4 in thermal source pipeline 6, and heat passes through self-priming
The heat exchange dividing plate 10 of liquid heat exchanger 1 is delivered to the working medium in low-temperature receiver pipeline 13, and heat is again from the working medium transmission in low-temperature receiver pipeline 13
To heat dissipation element 14, heat exchange is completed.
The present embodiment realizes being sent on radiating element for heat from heat source stabilization under the big heat flow density of thermal source；Due to pressure
The vibration of electric oscillation dividing plate, flow-disturbing is caused in cavity kind, and the heat transfer efficiency of the heat transfer system is much higher than other streams under same flow
Amount pump drives heat exchanger.
Just can preferably realize the utility model as described above.
Claims (7)
1. a kind of Piezoelectric Driving from imbibition heat exchanger heat transfer system, it is characterised in that including from imbibition heat exchanger（1）, exchange
Power supply（3）, thermal source（4）, refrigerating head（5）, thermal source pipeline（6）, check valve（7）, working medium（12）, low-temperature receiver pipeline（13）With radiating unit
Part（14）；
It is described from imbibition heat exchanger（1）Including piezoelectric vibration dividing plate（2）, thermal source heat exchange cavity（8）, augmentation of heat transfer structure（9）, change
Hot dividing plate（10）With low-temperature receiver heat exchange cavity（11）；The thermal source heat exchange cavity（8）With low-temperature receiver heat exchange cavity（11）By heat exchange dividing plate
（10）With piezoelectric vibration dividing plate（2）Separate, piezoelectric vibration dividing plate（2）Fringe region be arranged on heat exchange dividing plate（10）On, change
Hot dividing plate（10）To piezoelectric vibration dividing plate（2）It is supported fixation；The augmentation of heat transfer structure（9）It is evenly distributed on heat exchange dividing plate
（10）Two sides；The working medium（12）The full thermal source pipeline of filling（6）, thermal source heat exchange cavity（8）, low-temperature receiver heat exchange cavity（11）With it is cold
Source capsule road（13）；
The refrigerating head（5）With thermal source（4）Contact and heat conduction, refrigerating head（5）Two ends pass through thermal source pipeline（6）It is respectively communicated with heat
Source heat exchange cavity（8）Inlet and outlet；The heat dissipation element（14）Two ends pass through low-temperature receiver pipeline（13）It is respectively communicated with low-temperature receiver
Heat exchange cavity（11）Inlet and outlet；The check valve（7）Installed in thermal source heat exchange cavity（8）With low-temperature receiver heat exchange cavity（11）
Inlet and outlet, thermal source exchange heat cavity（8）Import installation direction flowed into for positive, exchanged heat cavity in thermal source（8）Go out
Mouth installation direction flows out for positive, in low-temperature receiver heat exchange cavity（11）Import installation direction flowed into for positive, in low-temperature receiver heat exchanging chamber
Body（11）Outlet installation direction flowed out for positive；
The piezoelectric vibration dividing plate（2）Including elastic sealing film（15）, sheet metal（16）And piezoelectric ceramic piece（17）；It is described
Piezoelectric ceramic piece（17）Two sides be respectively fixed with sheet metal（16）, sheet metal（16）To be fixed with elastic packing thin in outside
Film（15）；The AC power（3）Both positive and negative polarity by wire respectively with piezoelectric ceramic piece（17）The sheet metal of both sides（16）
Connection.
2. a kind of Piezoelectric Driving according to claim 1 from imbibition heat exchanger heat transfer system, it is characterised in that the pressure
Electric oscillation dividing plate（2）Zone line connect AC power（3）After can vibrate, piezoelectric vibration dividing plate（2）Mesozone
Domain and working medium（12）Contact.
3. a kind of Piezoelectric Driving according to claim 1 from imbibition heat exchanger heat transfer system, it is characterised in that the pressure
Electric oscillation dividing plate（2）Quantity be more than one, piezoelectric vibration dividing plate（2）Quantity be two or more when, uniformly simultaneously
Column distribution is arranged on heat exchange dividing plate（10）On, and each piezoelectric vibration dividing plate share an AC power be attached.
4. a kind of Piezoelectric Driving according to claim 1 from imbibition heat exchanger heat transfer system, it is characterised in that it is described strong
Change heat transfer structure（9）Structure include array trench or array column；The cross sectional shape of the array trench includes triangle, ladder
Shape or rectangle；The array column cross sectional shape includes circular, rectangle or polygon.
5. a kind of Piezoelectric Driving according to claim 1 from imbibition heat exchanger heat transfer system, it is characterised in that the work
Matter（12）It is the good cooling liquid of heat conductivility, including methyl alcohol, ethanol, acetone, refrigerant FC-72, freon or water；It is described
Heat dissipation element（14）It is the radiating element for including fin or fan.
6. a kind of Piezoelectric Driving according to claim 1 from imbibition heat exchanger heat transfer system, it is characterised in that the bullet
Property sealing film（15）, sheet metal（16）And piezoelectric ceramic piece（17）Shape include circular, triangle or rectangle；The gold
Category thin slice（16）Area be more than piezoelectric ceramic piece（17）Area, the elastic sealing film（15）Size and sheet metal
（16）It is in the same size.
7. a kind of Piezoelectric Driving according to claim 1 from imbibition heat exchanger heat transfer system, it is characterised in that the pressure
Electroceramics piece（17）Thickness be 0.05-5mm；The sheet metal（16）Thickness be 0.01-1mm；The elastic packing is thin
Film（15）Thickness be 0.1-2mm；The elastic sealing film（15）Material be including the silica gel with elastically-deformable material
Or dimethyl silicone polymer.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679471A (en) * | 2016-11-11 | 2017-05-17 | 华南理工大学 | Heat transfer system driven by piezoelectricity and applied to self-priming liquid heat exchanger and heat transfer method thereof |
-
2016
- 2016-11-11 CN CN201621217323.7U patent/CN206222986U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679471A (en) * | 2016-11-11 | 2017-05-17 | 华南理工大学 | Heat transfer system driven by piezoelectricity and applied to self-priming liquid heat exchanger and heat transfer method thereof |
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