CN108800654A - A kind of refrigerating plant based on electrocaloric effect and field-synergy theory - Google Patents
A kind of refrigerating plant based on electrocaloric effect and field-synergy theory Download PDFInfo
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- CN108800654A CN108800654A CN201810508321.0A CN201810508321A CN108800654A CN 108800654 A CN108800654 A CN 108800654A CN 201810508321 A CN201810508321 A CN 201810508321A CN 108800654 A CN108800654 A CN 108800654A
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- heat
- transfer fluid
- cooling piece
- refrigeration
- electrocaloric effect
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
- F25B2321/001—Details of machines, plants or systems, using electric or magnetic effects by using electro-caloric effects
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Abstract
A kind of refrigerating plant based on electrocaloric effect and field-synergy theory, it includes N number of refrigeration device, N+1 heat-transfer fluid pipeline, heat-conducting fluid and power supply with electrocaloric effect material, and the N+1 heat-transfer fluid pipelines replace laying with N number of refrigeration device；The heat-conducting fluid is advanced along the heat-transfer fluid pipeline, each refrigeration device includes two sections of cooling pieces and the insulated heat object that is arranged between two sections of cooling pieces, several vertical runs are arranged in heat-transfer fluid channel interior corresponding to each section of cooling piece, heat-transfer fluid pipeline corresponding to the insulated heat object is the pipeline for bending steering vertically downward, each section of cooling piece is separately connected the power supply, be connected with power switch on circuit between each section of cooling piece and the power supply, each cooling piece according to regulation extra show and subtract field sequential and controlled to realize refrigeration.The refrigerating plant based on electrocaloric effect and field-synergy theory has the advantages that design science, simple in structure, raising heat transfer effect, realization heat unidirectional delivery.
Description
Technical field
The present invention relates to solid coolant fields, specifically, are related to a kind of system based on electrocaloric effect and field-synergy theory
Device for cooling.
Background technology
It is concentrated mainly on the material for researching and developing high electrocaloric effect using the research that electrocaloric effect is freezed both at home and abroad at present,
Such as PbZrTiO3 films and BaTiO3 and other thin-film ceramics and polymer.With the development of economy, device is towards micro-
Typeization develops, and especially the Refrigeration Technique in electronic equipment is particularly important.Electronic chip will produce largely in the course of work
Heat, the aggregation of heat can cause the failure and damage of chip, have one in the damage of the current electronic device of studies have shown that according to investigations
Half or more is caused by thermal failure, therefore the timely heat dissipation of electronic device is to ensure the necessary guarantee of its steady operation.With
The development of scientific and technological level, the gradual Highgrade integration of electronic device and micromation, in order to avoid electronic device damages, heat dissipation problem
Solution becomes the developing important link of microelectronic device.Traditional refrigeration modes can not realize the system to microdevice
It is cold, and solid coolant can meet the refrigeration demand of microdevice as novel refrigeration modes.Solid coolant includes mainly magnetic
Refrigeration heat, semiconductor refrigerating and electrocaloric effect refrigeration.Magnetic heat refrigeration haves the shortcomings that of high cost, operating temperature is low；Semiconductor system
Cold there are refrigerating efficiencies low, the big disadvantage of energy loss；Electrocaloric effect refrigeration has high cooling efficiency, freezes at low cost excellent
Point, and excessive mechanical composition component is not needed by the refrigerating plant of the material preparation with electrocaloric effect, it is simple in structure, it can
Flexibly it is applied to tiny device；It is convenient to start, applied by electric field and remove can fast-refrigerating make local cooling；Control compared with
It is simple, meets the trend of electronic device and the development of integrated circuit miniaturization.The above feature to utilize with electrocaloric effect
The electrocaloric effect refrigeration of material has significant advantage in terms of the adjusting of the temperature of microminiaturized electronic device and refrigeration.
It is existing that polarization can occur for dipole of the refrigeration device of the material with electrocaloric effect under the action of electric field in material
As being changed from disordered state to ordered state, the entropy of material internal reduces, and releases waste heat；After removing electric field, dipole goes to pole
Change, is restored to disordered state from ordered state, and by way of absorbing heat from external environment the entropy of material internal is increased, from
And make the reduction of exterior material temperature, realize the effect of refrigeration.Freeze currently based on the electrocaloric effect of the material with electrocaloric effect
Existing main problem be presently, there are electrocaloric effect refrigerating plant due to electric field application and removal time restriction, Wu Fashi
Now continuous heat transfer cannot be satisfied the requirement of the device refrigeration of practical application so heat radiation power and temperature span are relatively low.
In order to solve the above problems, people are seeking always a kind of ideal technical solution.
Invention content
The purpose of the present invention is in view of the deficiencies of the prior art, to provide a kind of design science, it is simple in structure, improve heat
The refrigerating plant based on electrocaloric effect and field-synergy theory measured transmission effect, realize heat unidirectional delivery.
To achieve the goals above, the technical solution adopted in the present invention is：One kind is based on electrocaloric effect and field collaboration reason
The refrigerating plant of opinion, it include N number of refrigeration device with electrocaloric effect material, N+1 heat-transfer fluid pipeline, heat-conducting fluid and
Power supply, the N+1 heat-transfer fluid pipelines replace laying, adjacent refrigeration device and heat-transfer fluid with N number of refrigeration device
The surface of pipeline fits, and two heat-transfer fluid pipelines on the outermost side correspond to radiating end and refrigeration end respectively；The heat conduction
Fluid is filled in the heat-transfer fluid pipeline and advances along the heat-transfer fluid pipeline, and each refrigeration device includes two sections
Cooling piece and the insulated heat object being arranged between two sections of cooling pieces, the heat-transfer fluid channel interior corresponding to each section of cooling piece are set
Several vertical runs are set, the heat-transfer fluid pipeline corresponding to the insulated heat object is the pipeline for bending steering vertically downward, respectively
Section cooling piece is separately connected the power supply, and power switch, each electricity are connected on the circuit between each section of cooling piece and the power supply
Source switch interval open and close, each cooling piece according to regulation extra show and subtract field sequential controlled with realize refrigeration.
It is described on base, one row's vertical partition plate of heat-transfer fluid channel interior spaced set corresponding to each section of cooling piece, phase
The vertical run, direction setting of each vertical run along vertical each cooling piece are formed between adjacent vertical partition plate.
It is described on base, in the first stage of refrigerating plant work, disconnect the power switch of each cooling piece, the electricity of each cooling piece
Field intensity reduces, and the entropy of each cooling piece increases, then each cooling piece by the heat-conducting fluid in its downside heat-transfer fluid pipeline from system
Cold end absorbs heat；In the second stage of refrigerating plant work, it is closed the power switch of each cooling piece, the electric-field strength of each cooling piece
Degree enhancing, the entropy of each cooling piece reduce, then each cooling piece by the heat-conducting fluid in its upside heat-transfer fluid pipeline to radiating end
Discharge heat.
Described on base, it further includes a conveying actuating unit, and the conveying actuating unit is respectively to each heat-transfer fluid pipeline
The middle conveying heat-conducting fluid, controls the heat-conducting fluid and advances along the heat-transfer fluid pipeline.
Described on base, the conveying actuating unit includes delivery pump and controller, and the outlet of the delivery pump is separately connected
Each heat-transfer fluid pipeline, the controller control connect the motor of the delivery pump.
Described on base, the heat-conducting fluid is the heat-conducting fluid of gas-liquid transformation.The present invention has compared with the prior art to be protruded
Substantive distinguishing features and significant progress, specifically, each cooling piece of the invention connects the electricity by power switch respectively
Source, when each power switch disconnects, each cooling piece be in off-position, and electric field strength gradually lowers, and dipole depolarizes, from having
Order is restored to disordered state, and the entropy of each cooling piece is caused to increase, then each cooling piece absorbs heat by heat-conducting fluid from refrigeration end,
When each power switch is closed, each cooling piece is in energized state, and electric field strength gradually increases, dipole polarization, from disordered state
It is converted to ordered state, the entropy of each cooling piece is caused to reduce, then each cooling piece discharges heat, each electricity by heat-conducting fluid to radiating end
Source switch alternating break-make can be realized heat and continuously be transmitted from refrigeration end to radiating end；Furthermore the heat-conducting fluid flows through each system
When heat-transfer fluid pipeline corresponding to cold, the heat-conducting fluid is flowed along the vertical run, the flowing of the heat-conducting fluid
Direction is changed to vertical upflow, consistent towards the temperature gradient direction of radiating end with refrigeration end, according to field-synergy theory, along institute
The effect for stating the flow direction heat transfer of heat-conducting fluid is best, in this way, realizing unidirectional biography of the heat from refrigeration end to radiating end
It passs.
It has the advantages that design science, simple in structure, raising heat transfer effect, realization heat unidirectional delivery.
Description of the drawings
Fig. 1 is the unit module operation principle schematic diagram of the present invention.
Fig. 2 is the unit module superposition schematic diagram of the present invention.
Fig. 3 is the power supply control schematic diagram of each section of cooling piece with electrocaloric effect of unit module of the present invention.
In figure：1. heat-transfer fluid pipeline；2. vertical run；3. cooling piece；4. insulated heat object；5. power supply；6. power supply
Switch.
Specific implementation mode
Below by specific implementation mode, technical scheme of the present invention will be described in further detail.
Embodiment 1
As shown in Figs. 1-3, a kind of refrigerating plant based on electrocaloric effect and field-synergy theory, it includes N number of with electrocaloric effect
The refrigeration device of material, N+1 heat-transfer fluid pipeline 1, heat-conducting fluid and power supply 5, N+1 heat-transfer fluid pipelines 1 with it is N number of
The refrigeration device is alternately laid with, and the surface of adjacent refrigeration device and heat-transfer fluid pipeline 1 fits, and on the outermost side two
A heat-transfer fluid pipeline 1 corresponds to radiating end and refrigeration end respectively；The heat-conducting fluid be filled in the heat-transfer fluid pipeline 1 and
Advance along the heat-transfer fluid pipeline 1, each refrigeration device include two sections of cooling pieces 3 and setting two sections of cooling pieces 3 it
Between insulated heat object 4,1 inside of heat-transfer fluid pipeline corresponding to each section of cooling piece 3 is arranged several vertical runs 2, it is described absolutely
Heat-transfer fluid pipeline 1 corresponding to edge thermal barrier 4 is the pipeline for bending steering vertically downward, and each section of cooling piece 3 is separately connected institute
Power supply 5 is stated, power switch 6 is connected on the circuit between each section of cooling piece 3 and the power supply 5, each power switch 6 is intermittently closed
And disconnection, each cooling piece 3 according to regulation extra show and subtract field sequential controlled with realize refrigeration.
1 inside spaced set of heat-transfer fluid pipeline, one row's vertical partition plate corresponding to each section of cooling piece 3, neighboring vertical every
The vertical run 2 is formed between plate, each vertical run 2 is arranged along the direction of vertical each cooling piece 3.
In the first stage of refrigerating plant work, the power switch 6 of each cooling piece 3, the electric field strength of each cooling piece 3 are disconnected
Reduce, the entropy of each cooling piece 3 increases, then each cooling piece 3 by the heat-conducting fluid in its downside heat-transfer fluid pipeline 1 from refrigeration end
Absorb heat；In the second stage of refrigerating plant work, it is closed the power switch 6 of each cooling piece 3, the electric-field strength of each cooling piece 3
Degree enhancing, the entropy of each cooling piece 3 reduce, then each cooling piece 3 by the heat-conducting fluid in its upside heat-transfer fluid pipeline 1 to heat dissipation
End release heat.
It further includes a conveying actuating unit, and the conveying actuating unit conveys institute into each heat-transfer fluid pipeline 1 respectively
Heat-conducting fluid is stated, the heat-conducting fluid is controlled and advances along the heat-transfer fluid pipeline 1.
The conveying actuating unit includes delivery pump and controller, and the outlet of the delivery pump is separately connected each heat-transfer fluid
Pipeline 1, the controller control connect the motor of the delivery pump.
Mobility status of the heat-conducting fluid in heat-transfer fluid pipeline 1 be：The heat-conducting fluid is through the delivery pump stream
Enter in heat-transfer fluid pipeline 1, from the heat-transfer fluid pipeline 1 that lower end flows into corresponding to first segment cooling piece 3, the heat-conducting fluid
It is changed to vertical upflow along each vertical run 2, the heat-conducting fluid is flowed into from upper end corresponding to the insulated heat object 4 later
Heat-transfer fluid pipeline 1 in, the pipeline through bending steering vertically downward guides, and is flowed into corresponding to second segment cooling piece 3 from lower end
Heat-transfer fluid pipeline 1 in, the heat-conducting fluid is just changed to vertical upflow along each vertical run 2 again.
One unit module of above-described only apparatus of the present invention, the present apparatus can be superimposed multiple according to refrigeration demand
Unit module, to reach ideal refrigeration effect.
Heat-conducting fluid in the present invention can be the relatively high high heat conduction fluid of boiling point, will not occur in diabatic process
Phase transformation, such high heat conduction fluid are usually nano-fluid, conduction oil, magnetic conductance hot fluid etc..
According to field-synergy theory, since the heat-conducting fluid flow direction in the upside heat-transfer fluid pipeline of each cooling piece 3 changes
For vertical upflow the reason of, heat can only transmit from bottom to top.
It is first that the operation principle of the refrigerating plant based on electrocaloric effect and field-synergy theory and process are somebody's turn to do in embodiment 1
Stage, each power switch 6 disconnect, and each cooling piece 3 is in off-position, and electric field strength gradually lowers, dipole depolarising, from
Ordered state is restored to disordered state, and the entropy of each cooling piece 3 is caused to increase, then each cooling piece 3 is absorbed by heat-conducting fluid from refrigeration end
Heat, heat-conducting fluid are flowed to after absorbing heat from refrigeration end after the upside of heat-transfer fluid pipeline 1 contacts with corresponding cooling piece 3,
The cooling piece 3, second stage are transferred heat to, each power switch 6 is closed, and each cooling piece 3 is in energized state, electric-field strength
Degree gradually increases, and dipole polarization is converted to ordered state from disordered state, causes the entropy of each cooling piece 3 to reduce, then each cooling piece 3
Heat is discharged to radiating end by heat-conducting fluid, heat-conducting fluid flows to heat-transfer fluid pipeline 1 after absorbing heat from each cooling piece
Upside transfers heat to radiating end and discharges with after heat dissipation end in contact, to realize that heat is transmitted from refrigeration end to radiating end；
Alternately first stage and second stage can be realized heat and continuously transmitted from refrigeration end to radiating end；Furthermore the heat conduction
When fluid flows through the heat-transfer fluid pipeline 1 corresponding to each cooling piece 3, the heat-conducting fluid is flowed along the vertical run 2, described
The flow direction of heat-conducting fluid is changed to vertical upflow, consistent towards the temperature gradient direction of radiating end with refrigeration end, according to
Field-synergy theory, the effect along the flow direction heat transfer of heat-transfer fluid is best, in this way, realizing heat from refrigeration end to heat dissipation
The unidirectional delivery at end.
Embodiment 2
As different from Example 1, the heat-conducting fluid is the heat-conducting fluid of gas-liquid transformation；The heat-conducting fluid is that boiling point is opposite
Lower high heat conduction fluid, can undergo phase transition in diabatic process, such high heat conduction fluid is usually cold water, but is not limited to cold
Water can be applied in the present invention as long as meeting the heat-conducting fluid that can be undergone phase transition in diabatic process.
Similarly, the operation principle of the refrigerating plant based on electrocaloric effect and field-synergy theory and process are somebody's turn to do in embodiment 2 is,
First stage, each power switch 6 disconnect, and each cooling piece 3 is in off-position, and electric field strength gradually lowers, and dipole goes to pole
Change, restore from ordered state to disordered state, the entropy of each cooling piece 3 is caused to increase, then each cooling piece 3 by heat-conducting fluid from refrigeration end
Heat is absorbed, heat-conducting fluid is undergone phase transition after absorbing heat from refrigeration end, and heat-conducting fluid gasification, the fluid after gasification flows to heat transfer
After 1 upside of fluid circuit is contacted with corresponding cooling piece 3, the cooling piece 3, second stage are transferred heat to, each power supply is opened
It closes 6 to be closed, each cooling piece 3 is in energized state, and electric field strength gradually increases, and dipole polarization has been converted to from disordered state
Order causes the entropy of each cooling piece 3 to reduce, then each cooling piece 3 by heat-conducting fluid to radiating end discharge heat, heat-conducting fluid from
It is undergone phase transition after absorbing heat on each cooling piece, heat-conducting fluid gasification, the heat-conducting fluid after gasification flows on heat-transfer fluid pipeline 1
Side transfers heat to radiating end and discharges with after heat dissipation end in contact, to realize that heat is transmitted from refrigeration end to radiating end；It hands over
Heat can be realized and continuously transmitted from refrigeration end to radiating end for progress first stage and second stage；Furthermore the heat conduction stream
When body flows through the heat-transfer fluid pipeline 1 corresponding to each cooling piece 3, the heat-conducting fluid is flowed along the vertical run 2, described to lead
The flow direction of hot fluid is changed to vertical upflow, consistent towards the temperature gradient direction of radiating end with refrigeration end, according to field
Synergy, the effect along the flow direction heat transfer of heat-transfer fluid is best, in this way, realizing heat from refrigeration end to radiating end
Unidirectional delivery.
Finally it should be noted that:The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, those of ordinary skills in the art should understand that：Still
It can modify to the specific implementation mode of the present invention or equivalent replacement is carried out to some technical characteristics；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (6)
1. a kind of refrigerating plant based on electrocaloric effect and field-synergy theory, it is characterised in that：It includes N number of with electrocaloric effect
The refrigeration device of material, N+1 heat-transfer fluid pipeline, heat-conducting fluid and power supply, the N+1 heat-transfer fluid pipelines and N number of institute
It states refrigeration device to be alternately laid with, the surface of adjacent refrigeration device and heat-transfer fluid pipeline fits, two on the outermost side
Heat-transfer fluid pipeline corresponds to radiating end and refrigeration end respectively；The heat-conducting fluid is filled in the heat-transfer fluid pipeline and along institute
State the traveling of heat-transfer fluid pipeline, each refrigeration device includes two sections of cooling pieces and the insulation that is arranged between two sections of cooling pieces
Several vertical runs are arranged in thermal barrier, the heat-transfer fluid channel interior corresponding to each section of cooling piece, and the insulated heat object institute is right
The heat-transfer fluid pipeline answered is the pipeline for bending steering vertically downward, and each section of cooling piece is separately connected the power supply, each section of refrigeration
Be connected with power switch on circuit between piece and the power supply, each power switch interval open and close, each cooling piece according to
Defined extra show and subtract field sequential controlled with realize refrigeration.
2. the refrigerating plant according to claim 1 based on electrocaloric effect and field-synergy theory, it is characterised in that：Each section of system
One row's vertical partition plate of heat-transfer fluid channel interior spaced set corresponding to cold forms described hang down between neighboring vertical partition board
Straight channel, direction setting of each vertical run along vertical each cooling piece.
3. the refrigerating plant according to claim 2 based on electrocaloric effect and field-synergy theory, it is characterised in that：Freezing
The first stage of device work disconnects the power switch of each cooling piece, and the electric field strength of each cooling piece reduces, the entropy of each cooling piece
Increase, then each cooling piece absorbs heat by the heat-conducting fluid in its downside heat-transfer fluid pipeline from refrigeration end；In refrigerating plant
The second stage of work, is closed the power switch of each cooling piece, the electric field strength enhancing of each cooling piece, and the entropy of each cooling piece subtracts
Small, then each cooling piece discharges heat by the heat-conducting fluid in its upside heat-transfer fluid pipeline to radiating end.
4. the refrigerating plant according to claim 3 based on electrocaloric effect and field-synergy theory, it is characterised in that：It is also wrapped
A conveying actuating unit is included, the conveying actuating unit conveys the heat-conducting fluid into each heat-transfer fluid pipeline respectively, control
The heat-conducting fluid is advanced along the heat-transfer fluid pipeline.
5. the refrigerating plant according to claim 4 based on electrocaloric effect and field-synergy theory, it is characterised in that：It is described defeated
It includes delivery pump and controller to send actuating unit, and the outlet of the delivery pump is separately connected each heat-transfer fluid pipeline, the control
Device control connects the motor of the delivery pump.
6. according to refrigerating plant of the claim 1-5 any one of them based on electrocaloric effect and field-synergy theory, feature exists
In：The heat-conducting fluid is the heat-conducting fluid of gas-liquid transformation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810508321.0A CN108800654A (en) | 2018-05-24 | 2018-05-24 | A kind of refrigerating plant based on electrocaloric effect and field-synergy theory |
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| CN201810508321.0A CN108800654A (en) | 2018-05-24 | 2018-05-24 | A kind of refrigerating plant based on electrocaloric effect and field-synergy theory |
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| CN201810508321.0A Pending CN108800654A (en) | 2018-05-24 | 2018-05-24 | A kind of refrigerating plant based on electrocaloric effect and field-synergy theory |
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| CN109682111A (en) * | 2018-12-13 | 2019-04-26 | 郑州大学 | Refrigeration unit and combinations thereof formula refrigerating plant |
| CN112984659A (en) * | 2021-03-16 | 2021-06-18 | 重庆大学 | Air conditioning system based on solid-state electric card effect |
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| CN112984659A (en) * | 2021-03-16 | 2021-06-18 | 重庆大学 | Air conditioning system based on solid-state electric card effect |
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