CN208299753U - A kind of micro jet flow coldplate that porous heating surface is added - Google Patents
A kind of micro jet flow coldplate that porous heating surface is added Download PDFInfo
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- CN208299753U CN208299753U CN201820631053.7U CN201820631053U CN208299753U CN 208299753 U CN208299753 U CN 208299753U CN 201820631053 U CN201820631053 U CN 201820631053U CN 208299753 U CN208299753 U CN 208299753U
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model discloses a kind of micro jet flow coldplates that porous heating surface is added, the rectangle working face of the micro jet flow coldplate is centrally located by the porous super-hydrophilic surface structure being made of several equally distributed apertures, two cooling liquid outlet channels are arranged in parallel at two relative edges of the working face, the coolant liquid collection channel that both ends are connected to the cooling liquid outlet channel is arranged in parallel at the another two relative edge of the working face, the porous super-hydrophilic surface structure and the cooling liquid outlet channel, several micro-channels are uniformly provided with and communicated between coolant liquid collection channel.The utility model can reduce the thermal resistance on channel surface, increase phase-change heat transfer efficiency, and it is excessively high and the problems such as be unevenly distributed effectively to solve to improve Condensation photovoltaic battery local temperature, to improve cell power generation efficiency.
Description
Technical field
The utility model relates to Condensation photovoltaic battery plate cooling technology fields, and in particular to a kind of that porous heating surface is added
Micro jet flow coldplate.
Technical background
Third-generation technology of the Photospot solar technology as solar power generation future developing trend, with the electricity of unit area
The heat that the increase of pond plate radiation light intensity absorbs also increases, and the temperature control of battery and heat dissipation problem are also more prominent.Traditional
Heat exchange cooling device is mostly contacted by heat exchange material with heat source component, takes away heat using circulatory mediator, is difficult to realize instantaneous cooling
The effect being evenly distributed with battery temperature.In this context, excessively high for Condensation photovoltaic battery local temperature and be unevenly distributed
The problems such as even, needs to propose a kind of new radiating, it is intended to quickly reduce photovoltaic battery temperature, make its heat flux distribution more
To be uniform, and then power conversion efficiency (pce) is improved, increases the service life of battery.
Utility model content
In view of the above technical problems, the utility model is intended to provide that a kind of structure is simple, it is efficient to can be realized and uniformly dissipates
Micro jet flow coldplate and its manufacturing method of heat, the porous heating surface of addition.
The utility model is achieved through the following technical solutions:
The rectangle working face of a kind of micro jet flow coldplate that porous heating surface is added, the micro jet flow coldplate occupies
In be provided with the porous super-hydrophilic surface structure being made of several equally distributed apertures, put down at two relative edges of the working face
Row is provided with two cooling liquid outlet channels, and both ends are arranged in parallel at the another two relative edge of the working face and are connected to the cooling
The coolant liquid collection channel of liquid exit passageway, the porous super-hydrophilic surface structure and the cooling liquid outlet channel, coolant liquid
Several micro-channels are uniformly provided with and communicated between collection channel.
Further, the aperture of the porous super-hydrophilic surface structure is uniformly distributed by matrix.
Further, the spacing distance of the aperture is 0.1mm ~ 0.5mm.
Further, the radius of the aperture is 0.04mm ~ 0.06mm, hole depth 0.08-0.11mm.
Further, the cross sectional shape of the micro-channel is rectangle.
Further, the sectional dimension of the micro-channel is 0.5mm × 0.5mm.
Further, the bottom surface of the micro-channel is hydrophobic surface.
Further, the contact angle of the hydrophobic surface is 120 degree ~ 180 degree.
Compared with prior art, the utility model is based on activation core and plays boiling principle, is added in impinging jet planar range
Porous super-hydrophilic surface structure with fixed nucleus of boiling hole, void structure can increase bubble departure frequency, super close
Water surface promotes being replenished in time for boiling bubble departure liquid phase, realizes and exchanges heat to the moment of localized hyperthermia, while around it
The hydrophobic surface micro-channel of even setting can reduce the thermal resistance on channel surface, increase phase-change heat transfer efficiency, effectively solve optically focused light
The problems such as local temperature is excessively high among volt battery and is unevenly distributed, to improve cell power generation efficiency.
Detailed description of the invention
Fig. 1 is the micro jet flow cooling system work flow diagram of the porous heating surface of addition of the utility model embodiment.
Fig. 2 is the micro jet flow coldplate schematic front view of the porous heating surface of addition of the utility model embodiment.
Fig. 3 is the stereoscopic schematic diagram of the micro jet flow coldplate of the porous heating surface of addition of the utility model embodiment.
In figure: 1- flow pump；2- upper cavity；3- micro ejector；4- lower chamber；5- micro jet flow coldplate；6- optically focused light
Lie prostrate solar panel；7- pipeline；8- cooling tank；9- outside heat sink；10- fan；11- cooling liquid storage tank；12- cooling liquid outlet is logical
Road；13- micro-channel；14- porous super-hydrophilic surface structure；15- coolant liquid liquid separation channel.
Specific embodiment
The purpose of utility model of the utility model is described in further detail in the following with reference to the drawings and specific embodiments,
The embodiments cannot be described here one by one, but therefore the embodiments of the present invention is not limited to the following examples.
Embodiment one
As shown in Fig. 2, a kind of micro jet flow coldplate that porous heating surface is added, the square of the micro jet flow coldplate
Shape working face is centrally located by the porous super-hydrophilic surface structure 14 being made of several equally distributed apertures, the working face
It is arranged in parallel with two cooling liquid outlet channels at two relative edges, is arranged in parallel with both ends at the another two relative edge of the working face
It is connected to the coolant liquid collection channel 15 in the cooling liquid outlet channel, the porous super-hydrophilic surface structure 14 and the coolant liquid
Several micro-channels 13 are uniformly provided with and communicated between exit passageway, coolant liquid collection channel 15.Coolant liquid is sprayed by micro ejector
Onto porous structure coldplate, equally distributed micro-channel 13 is flowed through, is then pooled to cooling liquid outlet channel 12 and cooling
In liquid liquid separation channel 15, the coolant liquid is water, ethyl alcohol or refrigerant.
The aperture of the porous super-hydrophilic surface structure 14 is uniformly distributed by matrix, and the spacing distance of the aperture is
0.1mm~0.5mm.The radius of the aperture is 0.04mm ~ 0.06mm, hole depth 0.08-0.11mm.It is described porous super hydrophilic
Surface texture 14 can increase bubble departure frequency, and ultra-hydrophilic surface can promote being replenished in time for boiling bubble departure liquid phase,
It realizes and exchanges heat to the moment of localized hyperthermia.
The cross sectional shape of the micro-channel 13 is rectangle, and sectional dimension is 0.5mm × 0.5mm, meanwhile, it is described fine logical
The bottom surface in road 13 is the hydrophobic surface that contact angle is 120 degree ~ 180 degree.To reduce the thermal resistance on channel surface, increases phase transformation and pass
The thermal efficiency.
As shown in Figure 1, the cooling system of Condensation photovoltaic battery includes the liquid for being in turn connected to form circulation loop by pipeline 7
Fluid reservoir 11, flow pump 1, micro-fluid ejection device, cooling tank 8, between the upper cavity 2 and lower chamber 4 of the micro-fluid ejection device
Several micro ejectors 3 are provided with, micro jet flow coldplate 5 provided by the above embodiment is located at 4 bottom of lower chamber, micro-injection
Porous super-hydrophilic surface structure 14 on stream 5 working face of coldplate is oppositely arranged with the micro ejector 3, and the micro jet flow is cold
But setting is close at the back side of plate 5 with Condensation photovoltaic battery plate 6, is provided with outside heat sink 9 and fan 10 on the cooling tank 8.
The size of the micro jet flow coldplate 5 is identical as Condensation photovoltaic battery plate 6, the following table of the micro jet flow coldplate 5
Face is connected with photovoltaic battery panel, in actual use, as needed, can be placed in parallel several along 12 direction of cooling liquid outlet channel
The micro jet flow coldplate 5, and the micro jet flow coldplate 5 being placed in parallel is interconnected, and can further improve heat exchange effect
Fruit.
The workflow of the cooling system of the Condensation photovoltaic battery is as follows:
Firstly, coolant liquid enters the epicoele in micro-fluid ejection device by cooling liquid storage tank 11 under the driving of flow pump 1
Body 2, the coolant liquid reached in the upper cavity 2 are sprayed on micro jet flow coldplate 5 by micro ejector 3, the micro jet flow
Coldplate 5 is connected with Condensation photovoltaic battery plate 6, and coolant liquid takes away the heat of Condensation photovoltaic battery plate 6, and then coolant liquid enters
Cooling tank 8 takes away the heat in outside heat sink 9 under the action of 10 air blast cooling of fan, to keep coolant liquid cold once again
But, a circulation is completed into cooling liquid storage tank 11.
Embodiment two
A kind of manufacturing method of such as micro jet flow coldplate, comprising steps of
1) cooling liquid outlet is processed by the machining process that plough cuts extruding in smooth metal substrate surface to lead to
Road, coolant liquid collection channel 15 and micro-channel 13；
2) porous super-hydrophilic surface structure 14 is prepared in metal substrate intermediate region using the method for particle sintering；
3) hydrophobic surface processing is carried out to 13 bottom surface of micro-channel using chemical deposition.
The above embodiments of the present invention is merely examples for clearly illustrating the present invention, and is not
Limitations of the embodiments of the present invention.For those of ordinary skill in the art, on above explained basis
On can also make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.
Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in this reality
Within novel scope of protection of the claims.
Claims (8)
1. a kind of micro jet flow coldplate that porous heating surface is added, it is characterised in that: the square of the micro jet flow coldplate
Shape working face is centrally located by the porous super-hydrophilic surface structure (14) being made of several equally distributed apertures, the working face
Two relative edges at be arranged in parallel with two cooling liquid outlet channels, be arranged in parallel with two at the another two relative edge of the working face
End is connected to the coolant liquid collection channel (15) of the cooling liquid outlet channel (12), the porous super-hydrophilic surface structure (14) with
Several micro-channels (13) are uniformly provided with and communicated between the cooling liquid outlet channel, coolant liquid collection channel (15).
2. micro jet flow coldplate according to claim 1, it is characterised in that: the porous super-hydrophilic surface structure (14)
Aperture be uniformly distributed by matrix.
3. micro jet flow coldplate according to claim 1, it is characterised in that: the spacing distance of the aperture be 0.1mm ~
0.5mm。
4. micro jet flow coldplate according to claim 1, it is characterised in that: the radius of the aperture be 0.04mm ~
0.06mm, hole depth 0.08-0.11mm.
5. micro jet flow coldplate according to claim 1, it is characterised in that: the cross sectional shape of the micro-channel (13)
For rectangle.
6. micro jet flow coldplate according to claim 5, it is characterised in that: the sectional dimension of the micro-channel (13)
For 0.5mm × 0.5mm.
7. micro jet flow coldplate according to claim 1, it is characterised in that: the bottom surface of the micro-channel (13) is thin
Aqueous surface.
8. micro jet flow coldplate according to claim 7, it is characterised in that: the contact angle of the hydrophobic surface is
120 degree ~ 180 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820631053.7U CN208299753U (en) | 2018-04-28 | 2018-04-28 | A kind of micro jet flow coldplate that porous heating surface is added |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820631053.7U CN208299753U (en) | 2018-04-28 | 2018-04-28 | A kind of micro jet flow coldplate that porous heating surface is added |
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| Publication Number | Publication Date |
|---|---|
| CN208299753U true CN208299753U (en) | 2018-12-28 |
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| CN201820631053.7U Expired - Fee Related CN208299753U (en) | 2018-04-28 | 2018-04-28 | A kind of micro jet flow coldplate that porous heating surface is added |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108418545A (en) * | 2018-04-28 | 2018-08-17 | 华南理工大学 | A kind of micro jet flow coldplate and its manufacturing method that porous heating surface is added |
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2018
- 2018-04-28 CN CN201820631053.7U patent/CN208299753U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108418545A (en) * | 2018-04-28 | 2018-08-17 | 华南理工大学 | A kind of micro jet flow coldplate and its manufacturing method that porous heating surface is added |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181228 Termination date: 20190428 |