CN110213944A - A kind of water imbibition sheet metal, heat dissipating method and radiator - Google Patents
A kind of water imbibition sheet metal, heat dissipating method and radiator Download PDFInfo
- Publication number
- CN110213944A CN110213944A CN201910485110.4A CN201910485110A CN110213944A CN 110213944 A CN110213944 A CN 110213944A CN 201910485110 A CN201910485110 A CN 201910485110A CN 110213944 A CN110213944 A CN 110213944A
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- CN
- China
- Prior art keywords
- sheet metal
- water
- water imbibition
- heat
- heat exchanger
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- 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.)
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Classifications
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- 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
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/367—Cooling facilitated by shape of device
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
Abstract
A kind of water imbibition sheet metal, the sheet metal mutually to coincide including at least two layers, contact zone and interstitial area are equipped between sheet metal, interstitial area between sheet metal forms subtle, open capillary gap, the capillary gap can use the surface tension of water, and allow sheet metal that there is water absorbing capacity, can heat dissipation effect efficiently be significantly improved using the evaporation latent heat of water.The configuration of the present invention is simple, it is easy to manufacture, it is also convenient for post-production, and since manufacturing cost is low, keeps the cost performance of the relatively common cooling fin of entire water imbibition sheet metal higher, it is easy to spread.
Description
Technical field
The present invention relates to metal materials and physics field of radiating, more particularly to a kind of water imbibition sheet metal, heat dissipating method
And radiator.
Background technique
Cooling fin is widely used in the radiator or heat exchanger in electrical, mechanical, and technology is all metal fin knot at present
Blower is closed, the heat of fin surface is taken away, fin surface is dry always；Also someone expects latent using the evaporation of water
Heat obtains better heat dissipation effect, such as directly sprays water on a heat sink, can effectively improve heat dissipation effect really, but due to one
As sheet metal there was only hydrophily, without water imbibition, cannot stop, can be flowed away after spraying water at once, or be easy to be blown away, water
Utilization rate it is low, thus all do not enter into the practical stage.
Also having patent ZL2014104690078 " a kind of composite construction wet film surface air cooler " to disclose one kind can efficiently utilize
The fin structure of water, but independent metal piece+water-absorption fiber layer+metal layer three-layer composite structure is used, double layer of metal piece is
Separation, between without direct contact portion, it is necessary to fixed by tube expansion, mechanical strength is low, and composite construction can be easily separated；Simultaneously
This three-layer composite structure fixed by tube expansion loosely, can not be closely affixed, double layer of metal piece and intermediate fibrous layer meeting
Increase the thickness of surface air cooler；And manufacturing process is complicated, and the manufacturing process of existing surface air cooler can not achieve, and can not be used for it
In the radiator of his structure, such as the tube-strip heat exchanger in air conditioning for automobiles.
Therefore, it is necessary to design a kind of heat dissipation metal plate, heat dissipating method and heat exchanger.
Summary of the invention
The technical problems to be solved by the present invention are: overcoming the above-mentioned deficiency of the prior art, do not changing existing radiator
Or under the premise of the manufacturing process of heat exchanger, common metal piece is directly replaced by using water imbibition sheet metal, allows radiator can
Efficiently heat dissipation effect is significantly improved using the evaporation latent heat of water.
The present invention solve technical problem the technical solution adopted is that:
A kind of water imbibition sheet metal, the sheet metal mutually to coincide including at least two layers are equipped with contact between the sheet metal
Area and interstitial area, sheet metal contact zone keep sheet metal fastened to each other；Contact zone, which is arranged, can allow two layers of relatively thin sheet metal
Close adhesion forms the sheet metal that a thickness is equal to common fin thickness to outward seeming, obtains common condition of equivalent thickness
The same mechanical strength of cooling fin, while not increasing metal material cost.
Subtle, open capillary gap of the interstitial area between adjacent metal piece between sheet metal.
It is open, refer to it is direct be connected to external, or be connected to by other gaps with external.
Water imbibition sheet metal is in water mist, or water spray, or when top is dripped, which can allow water on surface
It under the action of tension, is immersed in inside cooling fin rapidly, thus cooling fin is allowed to obtain the ability of extremely strong water imbibition, only due to water
Slowly flowed inside cooling fin, thus be not easy to flow away or be blown away, and the outside of cooling fin then with common cooling fin one
Sample.And capillary principle can allow the water inside cooling fin to be not necessarily to any power, it, can be uniform as long as water supply point is arranged rationally
It is covered with entire cooling fin.The relatively direct technology being sprayed on water on common cooling fin, the utilization rate of water is higher, without any dynamic
Power, it is simple and reliable.
Further, superabsorbent fibrous material is completely or partially filled in the interstitial area；Allow in heat sink size thickness
Under conditions of, by increasing superabsorbent fibrous material, the water absorbing capacity of water imbibition sheet metal can be enhanced.
Further, the interstitial area is distributed in netted, strip or sheet, and the shape of interstitial area is the shape by contact zone in fact
What shape determined.
Further, the shape of adjacent metal piece is the same, is completely coincident mutually；Other one layer can also be less than with wherein one layer；
Or multiple small sheet metals are fitted in the different zones of same big sheet metal, such as multiple bullion pieces are bonded at regular intervals
On same sheet metal.
Further, several cracks, micropore or shutter are provided on the water imbibition sheet metal；
When the narrower width of the cooling fin of two layers of similar shape structure, the moisture content of interstitial area absorption can directly pass through heat dissipation
Leach evaporation in piece edge；
Or it is one layer of double layer of metal piece wider, one layer it is relatively narrow when, interstitial area absorption moisture content can directly pass through relatively narrow gold
Leach evaporation in the edge for belonging to piece；
When the wider width of the cooling fin of two layers of similar shape structure, then by these cracks among cooling fin, micropore or
Shutter allows the moisture evaporation inside cooling fin to come out, and obtains the evaporation latent heat of water, improves the heat-sinking capability of cooling fin.
Further, the sheet metal is using the thermally conductive strong metal materials such as aluminium, aluminium alloy, titanium, copper or stainless steel, Huo Zhefu
Close metal material.
Further, the contact zone can be pasted and shape by by double layer of metal piece physical impact, spot welding, soldering, adhesive
At；The distribution shape of contact zone can be obtained, such as physical impact by the mold of intermetallic composite coating, only need to be by the shape of extruding drum
Shape is designed to the shape of corresponding contact zone, and double layer of metal piece is allowed to obtain by the continuously extruded forming of the extruding drum, can be with
It is suitble to large-scale production, reduces cost.
Further, the sheet metal that the water imbibition sheet metal can mutually be coincided by two layers or more forms, in heat sink size
Under conditions of space and cost allow, above-mentioned water imbibition sheet metal is formed by three layers or more sheet metals, can be obtained more preferable
Mechanical strength and water imbibition.
A kind of heat dissipating method is realized using water imbibition sheet metal and is radiated；
It fills the water at the top of water imbibition sheet metal or lower part, or directly sprays water to it, flow through water in water imbibition sheet metal
The capillary gap in portion is uniformly covered with entire water imbibition sheet metal under the surface tension effects of water；The sheet metal of high temperature adds water
Heat, crack, micropore or shutter evaporation from the end face or water imbibition sheet metal surface of water imbibition sheet metal, takes away sheet metal
Heat, i.e., the heat dissipation effect of sheet metal is improved using the latent heat of vaporization of water.
A kind of heat exchanger is realized using water imbibition sheet metal above-mentioned and is radiated.
The heat exchanger is surface air cooler；Water imbibition sheet metal is arranged on surface air cooler.
Alternatively, heat exchanger is air conditioning for automobiles tube-strip heat exchanger.
Alternatively, heat exchanger is electronic power radiator.
The utility model has the advantages that
Core of the invention is that who knows capillary gap, which can use the surface tension of water, and allows metal
Piece has water absorbing capacity, efficiently can significantly improve heat dissipation effect using the evaporation latent heat of water.The configuration of the present invention is simple is easy system
It makes, is also convenient for post-production, and since manufacturing cost is low, make the cost performance of the relatively common cooling fin of entire water imbibition sheet metal
It is higher, it is easy to spread.
Water imbibition sheet metal, heat dissipating method and heat exchanger of the invention has following meaning:
1, thoroughly change the physical property of existing metal fin, common metal cooling fin only has hydrophily, do not absorb water
Property；And the present invention allows common metal cooling fin to obtain water absorbing capacity by simple process；
2, structure is simple, is easily worked manufacture, is suitble to produce in enormous quantities；
3, the direct material and cost for not increasing cooling fin, if common radiator is using the aluminium foil of 1mm thickness, water suction
Property sheet metal then uses the aluminium foil of two layers of 0.5mm, and the cost close to common metal piece can be obtained when mass production；
4, it closes and is convenient for post-production, since water imbibition sheet metal shape, thickness are as common metal piece, thus cut,
Drilling technology does not have any difficulty.
5, when the water imbibition sheet metal later period is in radiator, common metal piece is directly replaced, does not have to change existing dissipate
The manufacture mold and manufacturing process of hot device, thus can be used in the various radiators for needing metal fin.In air conditioner
Finned coil formula surface air cooler, the tube-strip heat exchanger in automobile, cooling tower etc., make the radiator of above-mentioned traditional structure, only
Heat dissipation metal plate is replaced, excellent heat dissipation effect can be easily obtained.It, can be with hundred when such as air cooling air conditioner surface air cooler refrigeration
Divide the condensed water of hundred recycling indoor units, then can save energy 30% or more by the latent heat of water evaporation, reaches the COP of Water cooled air conditioners unit
Value, and cost is hardly with increase.
Therefore the present invention has very strong creativeness, and valence ratio is higher, easy to spread.
To sum up, the present invention is under the premise of changing the manufacturing process of existing radiator or heat exchanger, by using
Water imbibition sheet metal directly replaces common metal piece, allows radiator that can efficiently significantly improve heat dissipation effect using the evaporation latent heat of water
Fruit.
Detailed description of the invention
Fig. 1 is that the embodiment of the present invention uses two layers of similar shape sheet metal coincident configurations schematic diagram；
Fig. 2 is the distribution schematic diagram of contact zone and interstitial area in water imbibition sheet metal；
Fig. 3 is the embodiment of the present invention using the structural schematic diagram to crack；
Fig. 4 is the structural schematic diagram that the embodiment of the present invention uses shutter；
Fig. 5 is the structural schematic diagram that the embodiment of the present invention uses micropore；
Fig. 6 is that the embodiment of the present invention uses two layers of different shape sheet metal coincident configurations schematic diagram；
Fig. 7 is that the embodiment of the present invention uses three layers of similar shape sheet metal coincident configurations schematic diagram；
Fig. 8 is that superabsorbent fibrous material structural schematic diagram is filled in interstitial area of the embodiment of the present invention；
Fig. 9 is the schematic diagram of surface air cooler；
Figure 10 is the schematic diagram that the embodiment of the present invention is applied to surface air cooler；
Figure 11 is the schematic diagram when embodiment of the present invention is used on air conditioning for automobiles tube-strip heat exchanger；
Figure 12 is the schematic diagram that the embodiment of the present invention is used for electronic power radiator.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and embodiments.
Embodiment 1
Referring to Fig.1, water imbibition sheet metal 5 provided in this embodiment by two layers of same shape the first sheet metal 1 and second
Sheet metal 2, mutually coincide composition.
Referring to Fig. 2, it is equipped with contact zone 11 and interstitial area 22 between the first sheet metal 1 and the second sheet metal 2, sheet metal
Contact zone 11 keeps the first sheet metal 1 and the second sheet metal 2 fastened to each other；Contact zone 11, which is arranged, can allow two layers of relatively thin sheet metal
Close adhesion forms the sheet metal that a thickness is equal to common fin thickness to outward seeming, obtains common condition of equivalent thickness
The same mechanical strength of cooling fin, while not increasing metal material cost.
Interstitial area 22 between first sheet metal 1 and the second sheet metal 2 forms subtle, open capillary gap.Between being somebody's turn to do
Gap area 22 is in net distribution on water imbibition sheet metal 5, and the shape of interstitial area 22 is determined by the shape of contact zone 11.
First sheet metal 1 and the second sheet metal 2 use metal material aluminium flake.
Contact zone 11 can be formed and pasting sheet metal physical impact, spot welding, adhesive；The distribution shape of contact zone 11
Shape can be obtained by the mold of intermetallic composite coating, and the shape of extruding drum need to be only designed to the shape of corresponding contact zone 11,
It allows double layer of metal piece to obtain by the continuously extruded forming of the extruding drum, can be suitble to be mass produced, reduce cost.
The working principle of the present embodiment:
Referring to Fig. 8, water imbibition sheet metal 5 is used for surface air cooler 101, and the water pipe of multiple apertures is equipped at the top of surface air cooler 101
102, can by the uniform water droplet in pipe on 5 top of water imbibition sheet metal, per a piece of water imbibition sheet metal 5 on capillary gap can be with
It allows water under the action of surface tension, is uniformly immersed in inside cooling fin 5, thus cooling fin 5 is allowed to obtain extremely strong water imbibition
Ability since water is only in the slowly flowing of 5 inside of cooling fin, thus is not easy to flow away or be blown away, and the outside of cooling fin 5 is then
As common cooling fin.And capillary principle can allow the water inside cooling fin to be not necessarily to any power.
Due to the narrower width of the cooling fin of two layers of similar shape structure, the moisture content that interstitial area 22 adsorbs can be directly by dissipating
5 edge of backing leaches evaporation, obtains the evaporation latent heat of water, can significantly improve the heat-sinking capability of cooling fin 5.It is relatively direct to spray water
The utilization rate of technology on common cooling fin, water is higher, simple and reliable without extra power.
The fouling on surface air cooler of the scale in tap water is prevented in practical applications, can access Interior Space in water pipe 102
Free condensed water is adjusted, or in access by the soft water of the calcium ions and magnesium ions in demineralized water treatment device removing water, also using rainwater.
Embodiment 2
Referring to Fig. 3, the difference from embodiment 1 is that, when the wider width of the cooling fin of two layers of similar shape structure, heat dissipation
On piece is provided with several cracks, by these cracks, the moisture evaporation inside water imbibition sheet metal 5 is allowed to come out, obtains the evaporation of water
Latent heat improves the heat-sinking capability of cooling fin.
Embodiment 3
Referring to Fig. 4, the difference from embodiment 1 is that, when the wider width of the cooling fin of two layers of similar shape structure, heat dissipation
On piece is provided with several shutters, by these shutters, allows the moisture evaporation inside water imbibition sheet metal 5 to come out, obtains water
Evaporation latent heat improves the heat-sinking capability of cooling fin.
Embodiment 4
Referring to Fig. 5, the difference from embodiment 1 is that, when the wider width of the water imbibition sheet metal 5 of two layers of similar shape structure
When, several micropores are provided on cooling fin, by these micropores, the moisture evaporation inside water imbibition sheet metal 5 are allowed to come out, and obtain water
Evaporation latent heat, improve the heat-sinking capability of cooling fin.
Embodiment 5
Referring to Fig. 6, the difference from embodiment 1 is that, two layer absorbent sheet metals 5 are by two pieces small of 1 He of the first sheet metal
Second sheet metal 2 is fitted on same big third sheet metal 3.
Embodiment 6
Referring to Fig. 7, the difference from embodiment 1 is that, water imbibition sheet metal 5 by three layers of same shape the first sheet metal 1,
Second sheet metal 2 and third sheet metal 3 are overlapped composition.
Embodiment 7
Referring to Fig. 8, the difference from embodiment 1 is that, water-absorption fiber material is filled in the interstitial area 11 of water imbibition sheet metal 5
Material 9；Under conditions of heat sink size thickness allows, by increasing superabsorbent fibrous material 9, water imbibition sheet metal 5 can be enhanced
Water absorbing capacity.
Embodiment 8
Referring to Fig.1 1, the difference from embodiment 1 is that, water imbibition sheet metal 5 is used for air conditioning for automobiles tube-strip heat exchanger.
Embodiment 9
Referring to Fig.1 2, the difference from embodiment 1 is that, water imbibition sheet metal 5 is used for electronic power radiator, water imbibition
Sheet metal 5 is tightly fixed to heat carrier 51, and heat carrier 51 is sent out with the electronics such as CPU chip of computer or high-power silicon controlled rectifier, IGBT again
Thermal element 6 connects, and by dripping on water imbibition sheet metal 5 or atomized water spray, allows water to evaporate on water imbibition sheet metal 5, improves
Heat dissipation effect reduces energy consumption.
In addition, 5 material of cooling fin uses 5 material of titanium alloy piece or cooling fin using aluminum alloy sheet or 5 material of cooling fin
Stainless steel substrates are used using copper sheet or 5 material of cooling fin.
Different materials metal material in implementation 1 and embodiment 12 is respectively adopted in 2 sheet metals of cooling fin 5.
Being in close contact area 11 can process to be formed by mash welder spot welding.
Being in close contact area 11 can be formed by soldering processing.
Adhesive Adhesion formation can be passed through by being in close contact area 11.
The above is only a preferred embodiment of the present invention, is not intended to restrict the invention, it is clear that those skilled in the art can
To carry out various changes, modification without departing from the spirit and scope of the present invention to the present invention.If to these modifications of the invention
Within the scope of the claims of the present invention and its equivalent technology with modification, it all belongs to the scope of protection of the present invention.
Claims (10)
1. a kind of water imbibition sheet metal, the sheet metal mutually to coincide including at least two layers, which is characterized in that between the sheet metal
Equipped with contact zone and interstitial area, the contact zone between sheet metal keeps sheet metal fastened to each other；Interstitial area between sheet metal is phase
Subtle, open capillary gap between adjacent sheet metal.
2. water imbibition sheet metal according to claim 1, which is characterized in that be completely or partially filled in the interstitial area
Superabsorbent fibrous material.
3. water imbibition sheet metal according to claim 1, which is characterized in that the interstitial area is in netted, strip or sheet
Distribution.
4. water imbibition sheet metal according to claim 1, which is characterized in that the shape of adjacent metal piece is the same, mutually weight
It closes；Other one layer can also be less than with wherein one layer；Or multiple small sheet metals are fitted in the different zones of same big sheet metal.
5. water imbibition sheet metal according to claim 1, which is characterized in that be provided on the water imbibition sheet metal it is several with
Crack, micropore or the shutter that interstitial area communicates.
6. water imbibition sheet metal according to claim 1, which is characterized in that the contact zone is by by sheet metal physics
Extruding, spot welding, adhesive are pasted and are formed.
7. a kind of heat dissipating method, which is characterized in that realized and dissipated using water imbibition sheet metal described in any one of claims 1-6
Heat；
It fills the water at the top of water imbibition sheet metal or lower part, or directly sprays water to it, flow through water inside water imbibition sheet metal
Capillary gap is uniformly covered with entire water imbibition sheet metal under the surface tension effects of water；The sheet metal of high temperature heats water, from
Crack, micropore or the shutter evaporation of the end face or water imbibition sheet metal surface of water imbibition sheet metal, take away the heat of sheet metal
Amount, i.e., improve the heat dissipation effect of sheet metal using the latent heat of vaporization of water.
8. a kind of heat exchanger, which is characterized in that realize heat dissipation using the described in any item water imbibition sheet metals of claim 1-7.
9. heat exchanger according to claim 8, which is characterized in that the heat exchanger is surface air cooler；Water imbibition sheet metal
It is arranged on surface air cooler.
10. heat exchanger according to claim 8, which is characterized in that heat exchanger is air conditioning for automobiles tube-strip heat exchanger, or
Person, heat exchanger are electronic power radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910485110.4A CN110213944A (en) | 2019-06-05 | 2019-06-05 | A kind of water imbibition sheet metal, heat dissipating method and radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910485110.4A CN110213944A (en) | 2019-06-05 | 2019-06-05 | A kind of water imbibition sheet metal, heat dissipating method and radiator |
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| Publication Number | Publication Date |
|---|---|
| CN110213944A true CN110213944A (en) | 2019-09-06 |
Family
ID=67790917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910485110.4A Pending CN110213944A (en) | 2019-06-05 | 2019-06-05 | A kind of water imbibition sheet metal, heat dissipating method and radiator |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101060974A (en) * | 2004-09-17 | 2007-10-24 | 先进能源科技公司 | Sandwiched finstock |
| JP4429251B2 (en) * | 2005-10-17 | 2010-03-10 | 三菱電機株式会社 | Power converter |
| CN103940154A (en) * | 2014-04-17 | 2014-07-23 | 童军 | Wet-film surface air cooler of composite structure |
-
2019
- 2019-06-05 CN CN201910485110.4A patent/CN110213944A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101060974A (en) * | 2004-09-17 | 2007-10-24 | 先进能源科技公司 | Sandwiched finstock |
| JP4429251B2 (en) * | 2005-10-17 | 2010-03-10 | 三菱電機株式会社 | Power converter |
| CN103940154A (en) * | 2014-04-17 | 2014-07-23 | 童军 | Wet-film surface air cooler of composite structure |
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Application publication date: 20190906 |
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