CN107084634A - A kind of long-distance transmissions with heat bridge effect store heat radiation structure - Google Patents
A kind of long-distance transmissions with heat bridge effect store heat radiation structure Download PDFInfo
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- CN107084634A CN107084634A CN201710352629.6A CN201710352629A CN107084634A CN 107084634 A CN107084634 A CN 107084634A CN 201710352629 A CN201710352629 A CN 201710352629A CN 107084634 A CN107084634 A CN 107084634A
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/06—Control arrangements therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
- F28D20/028—Control arrangements therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
Heat radiation structure is stored the present invention relates to a kind of long-distance transmissions with heat bridge effect, including energy-storage blocks, radiating block and heat-collecting block, radiating block is connected with energy-storage blocks, heat-collecting block is connected with energy-storage blocks, energy-storage blocks include metal shell and heat conduction grid, heat-conduction energy storage material is filled with heat conduction grid, the thermal conductivity factor of heat conduction grid is more than the thermal conductivity factor of heat-conduction energy storage material, and energy-storage blocks are internally formed heat bridge effect；Advantages of the present invention：Make to form heat bridge effect in energy-storage blocks by the heat conduction grid heat transfer coefficient different with phase-change accumulation energy heat carrier; improve the storage rate of heat release for storing heat radiation structure; and the energy storage density for the latent heat of phase change raising storage heat radiation structure for passing through heat-conduction energy storage material; and the rate of heat dispation of the storage heat radiation structure is controlled by radiating block; realize that the hot interference to energy-storage blocks is protected; heat-collecting block can quickly be transferred to heat in energy-storage blocks and be stored, and solve the problems, such as small space and remote heat recovery and energy storage.
Description
Technical field
Heat radiation structure is stored the present invention relates to a kind of long-distance transmissions with heat bridge effect.
Background technology
Night cheap electric energy or industrial waste heat can be converted to high temperature heat and stored by regenerative apparatus, storage
Heat energy can be used directly, for building heating, electric energy can also be converted heat energy into peak times of power consumption use, it is existing
Accumulation of heat constructional device is huge, and system investments maintenance cost is high, it is impossible to which adaptation is concentrated in narrow space heat and can not heat is timely
Shed, or the problem of radiating fin larger without space mounting.
For New-energy electric vehicle, battery is internal core part, and battery ambient temperature is too low or too high all to electricity
The pond life-span causes tremendous influence.The lithium battery optimal use environment temperature as is 40 DEG C, and temperature is higher than 40 DEG C or less than 40
DEG C when, lithium battery capacity rate of decay improve.Meanwhile, during automobile starting, acceleration or climbing, electric current becomes big, battery-heating
Amount is uprushed, and causes battery temperature to fluctuate.
Energy storage material, refers to absorb or discharge the phase-change material of a large amount of latent heats of phase change by phase transformation, and in phase transition process
Own temperature change is little or constant, can be very useful to battery equitemperature sensitive device.But energy storage material can not store always
Heat, when accumulation of heat to a certain extent when, it is necessary to which heat is discharged.Meanwhile, when environment temperature is too high or too low, phase-change accumulation energy
Material and environment heat exchange are very fast, rate of heat exchange can be reduced by heat-insulation layer, so as to play the maximum work of phase-changing energy storage material
Effect.
The content of the invention
The technical problem to be solved in the present invention is just to provide a kind of long-distance transmissions with heat bridge effect and stores heat radiation structure,
Solve the problem of existing narrow space heat is concentrated and heat shed can not in time.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical solutions：One kind has heat bridge effect
Long-distance transmissions store heat radiation structure, including energy-storage blocks, radiating block and heat-collecting block, radiating block is connected with energy-storage blocks for controlling to store up
Can block rate of heat dispation, heat-collecting block is connected with energy-storage blocks in heat fast transfer to the energy-storage blocks that gather heat-collecting block, storing up
Energy block includes being provided with heat-conduction energy storage material, heat conduction in metal shell and the heat conduction grid being arranged in metal shell, heat conduction grid
The thermal conductivity factor of grid, which is more than inside the thermal conductivity factor of heat-conduction energy storage material, energy-storage blocks, relies on heat conduction grid and heat-conduction energy storage material
Different heat transfer coefficient formation heat bridge effects；Heat-conduction energy storage material is constituted including following components：55~100% high heat conduction phase transformation
Powder and 0~45% enhanced thermal conduction material.
It is preferred that, the thermal conductivity factor of heat conduction grid improves 1~4 order of magnitude, energy with the thermal conductivity factor of heat-conduction energy storage material
Different occasions are adapted to, realize that the exotherm rate of energy-storage blocks is adjustable, practical performance is good.
It is preferred that, metal shell is provided with heat-insulation and heat-preservation set, and heat-insulation and heat-preservation set is detachably connected with metal shell, can realized
The heat of energy-storage blocks carries out isothermal holding, by heat-insulation and heat-preservation set with being detachably connected outside metal, can realize storage according to actual needs
The quick of energy block heat sheds.
It is preferred that, radiating block includes radiating fin and the first heat pipe, and radiating fin is arranged on energy-storage blocks by the first heat pipe, dissipates
Hot wing regulates and controls the rate of heat dispation of energy-storage blocks by the start-up temperature of the first heat pipe of regulation, and radiating fin and the first heat pipe dissipate heat
The rate of heat dispation of energy-storage blocks is controlled into the external world, and by adjusting the start-up temperature of the first heat pipe.
It is preferred that, heat-collecting block includes collecting plate and the second heat pipe, and collecting plate is arranged on energy-storage blocks by the second heat pipe, collects
The heat of hot plate collection is transmitted to energy-storage blocks by the second heat pipe, the collection of heat is realized by heat-collecting block, and pass through second
Heat pipe is by the heat transmission of collection to energy-storage blocks, and thermal-arrest, heat-transfer effect are good, is easy to small space and remote heat to transmit.
It is preferred that, the second heat pipe is provided with thermal insulation coat, can carry out isothermal holding to the heat on the second heat pipe.
It is preferred that, the thickness of thermal insulation coat is 1~50mm, and the thermal conductivity factor of thermal insulation coat for 0.02~
The thickness of thermal insulation coat is set to 1~50mm, has saved thermal insulation coat by 0.08W/mK, high insulating effect
Space.
It is preferred that, heat-conduction energy storage material is made up of following steps：
Step one：Energy storage material is put into reactor, 22~30 DEG C is heated to more than melting temperature and keeps constant temperature, when
Energy storage material stirs energy storage material after Solid State Transformation is liquid, and mixing speed is 80rpm, and mixing time is 1~3h；
Step 2：Enhanced thermal conduction material is slowly added in the reactor handled to step one, temperature during step one stirring is kept
Degree, then stirs 1~4h in the case where speed is 80~120rpm, enhanced thermal conduction material is evenly distributed in high heat conduction phase transformation powder,
The heat-conduction energy storage material of enhanced thermal conduction is obtained, can realize that enhanced thermal conduction material is evenly distributed in high heat conduction phase transformation powder, is improved
Phase change efficiency, whole service life is long, and overall prepare processes simple, and with low cost, energy storage density is big, thermal conductivity factor is high, nothing
Poison is harmless.
It is preferred that, energy storage material includes organic energy storage material and inorganic solid-liquid energy storage material, and organic energy storage material and nothing
The mass ratio of machine solid-liquid energy storage material is 1:1, thermal contact resistance can be reduced, heat conduction rate is improved.
In summary, advantages of the present invention：1. made by the heat conduction grid heat transfer coefficient different with phase-change accumulation energy heat carrier
Heat bridge effect is formed in energy-storage blocks, the storage rate of heat release of the storage heat radiation structure is improved, and improve by phase-change accumulation energy heat carrier
The energy storage density of storage bodies, and the rate of heat dispation of the storage heat radiation structure is controlled by radiating block, realize that the interference to energy storage block is protected
Shield, heat-collecting block can quickly be transferred to heat in the storage heat radiation structure and be stored, and solve small space and remote heat
Reclaim and energy storage problem；Available for space flight, new energy car battery temperature control, electronic product temperature control, solar energy heat utilization, building
The fields such as energy-conservation, heat transfer storage, waste heat recovery；
2. heat-conduction energy storage material is mixed by energy storage material and enhanced thermal conduction material, realizing energy storage material can be seamless
Gap is filled into metal shell, forms energy-storage blocks, the phase transition process of high heat conduction phase transformation powder is physical change, extends whole storage
The service life of energy block；Enhanced thermal conduction material improves thermal conductivity factor.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 stores the structural representation of heat radiation structure for a kind of long-distance transmissions with heat bridge effect of the present invention.
Embodiment
As shown in figure 1, a kind of long-distance transmissions with heat bridge effect store heat radiation structure, including energy-storage blocks 1, radiating block 2
With heat-collecting block 3, radiating block 2 is connected with energy-storage blocks 1 for the rate of heat dispation for controlling energy-storage blocks 1, and heat-collecting block 3 is connected with energy-storage blocks 1
For in heat fast transfer to the energy-storage blocks 1 that gather heat-collecting block, energy-storage blocks 1 to include metal shell 11 and are arranged on outside metal
Heat-conduction energy storage material 13 is provided with heat conduction grid 12 in shell 11, heat conduction grid 12, the thermal conductivity factor of heat conduction grid 12, which is more than, to be led
The thermal conductivity factor of hot energy storage material 13, the inside of energy-storage blocks 1 is by the heat transfer system different with heat-conduction energy storage material 13 of heat conduction grid 12
Number form is into heat bridge effect.
Heat conduction grid is by the 3rd heat pipe, copper or copper alloy plate, aluminum or aluminum alloy plate, titanium or titanium alloy sheet, stainless steel plate, iron
One or more in plate or carbon steel sheet tungsten or titanium alloy sheet are combined into, and metal shell is closed by copper or copper alloy plate, aluminium or aluminium
One or more in golden plate, titanium or titanium alloy sheet, stainless steel plate, iron plate or carbon steel sheet tungsten or titanium alloy sheet are combined into.
Heat-conduction energy storage material includes the component of following parts by weight：55~100% energy storage material and 0~45% heat conduction increase
Strong material, heat-conduction energy storage material can realize that seamless be filled into metal shell forms energy-storage blocks, and phase transition process is physical change, whole
Body service life is long, and overall prepare processes simple, and with low cost, energy storage density is big, thermal conductivity factor is high, nontoxic；Energy storage
Material includes organic energy storage material and inorganic solid-liquid energy storage material, wherein：It is 8~50 that organic energy storage material, which includes carbon number,
Aliphatic hydrocarbon, n-alkane, molecular weight be 800~20000 polyethylene glycol, specifically include normal octane, n-undecane, positive 13
Alkane, n-tetradecane, n-pentadecane, hexadecane, n-heptadecane, n-octadecane, NSC 77136, n-eicosane, Heneicosane,
N-tricosane, n-tetracosane, n-hexacosane, positive nonacosane, positive hentriacontane, n-dotriacontane, Tritriacontane,
Positive tetratriacontane, positive heptatriacontane, positive henpentacontane, stearic acid N-butyl, dodecylic acid, caproic acid, formic acid, n-capric acid, nutmeg
Acid, laurate, palmitic acid capric acid, ethylene glycol, positive undecyl alcohol, polyethylene glycol, polytetramethylene glycol, neopentyl glycol, octadecyl alcolol, distearyl
Sour glycol ester, glycerine, one kind in 1,10- decanediols, and paraffin wax, semi-refined paraffin wax, fully refined paraffin wax or two
The mixture or at least two mixture planted；Inorganic solid-liquid energy storage material includes water, nitrate trihydrate lithium, five water thiosulfuric acids
Sodium, calcium chloride hexahydrate, barium hydroxide, washing soda, sal glauberi, ten hydrogen phosphate dihydrate sodium, Sodium acetate trihydrate, sulphur
Sour sodium, potassium nitrate, aluminium chloride, sodium chloride lithium chromate, sodium nitrate, sodium carbonate, lithium nitrate, potassium chloride, lithium chloride, lithium carbonate, chlorine
Change the mixture or at least two mixture of one or both of magnesium；Enhanced thermal conduction material includes silver powder, copper powder, aluminium powder, stone
Ink powder, aluminium nitride, aluminum oxide, heat conduction carbon fiber, graphene, expanded graphite, foamed aluminium, nitridation magnesium powder, zinc powder, graphene bubble
Foam, carbon sponge, CNT, foam copper, porous carbon ball, boron nitride powder, silicon nitride powder, nitridation magnesium powder, carbon nanotube powders, oxidation
The mixture of one or both of zinc powder, bortz powder or at least two mixture.
The thermal conductivity factor of heat conduction grid 12 improves 1~4 order of magnitude with the thermal conductivity factor of heat-conduction energy storage material 13, adapts to
Different occasions, realizes that the exotherm rate of energy-storage blocks is adjustable, practical performance is good, the thermal conductivity factor of heat-conduction energy storage material 13 is arranged to
0.3~18W/mK, 5~20000W/mK is arranged to by the thermal conductivity factor of heat conduction grid, can be by after increase heat conduction grid
The thermal conductivity factor of whole energy-storage blocks is arranged to 1~218W/mK, effectively increases the thermal conductivity factor of energy block.
Metal shell 11 is detachably connected provided with heat-insulation and heat-preservation set 14, heat-insulation and heat-preservation set 14 with metal shell 11, can be real
The heat of existing energy-storage blocks carries out isothermal holding, by heat-insulation and heat-preservation set with being detachably connected outside metal, can realize according to actual needs
The quick of energy-storage blocks heat sheds, when needing the heat by energy-storage blocks quickly to shed, and only needing will will be heat-insulated outside metal shell
Muff is removed, during metal shell 11 is in square, cuboid, spheroid, cylinder, cone, lozenge body, polyhedron
The combination of one or two kinds of bodies or the combination of at least two bodies.
Radiating block 2 includes the heat pipe 22 of radiating fin 21 and first, and radiating fin 21 is arranged on energy-storage blocks 1 by the first heat pipe 22
On, radiating fin 21 regulates and controls the rate of heat dispation of energy-storage blocks 1 by the start-up temperature of the first heat pipe 22 of regulation, and radiating fin is according to demand
The structure of natural cooling or additional fans cooling is can be set to, and radiating fin is square or circular setting, radiating fin and the first heat
Heat is scattered in the external world by pipe, and controls the rate of heat dispation of energy-storage blocks, radiating fin by adjusting the start-up temperature of the first heat pipe
21 be micro heat pipe array mode fin, and relatively existing traditional sheet metal radiating effect is faster and better, according to radiating effect, selection
The length of first heat pipe, realizes the booster action of radiating, it is assumed that certain electronic device optimum working temperature scope is 5~90 DEG C, then
The phase transition temperature of settable phase-change accumulation energy heat carrier is 50 DEG C, and the start-up temperature of the first heat pipe is 65 DEG C, the i.e. temperature of energy-storage blocks 1
The first inside heat pipe is without convection heat transfer' heat-transfer by convection during less than 65 DEG C, and when temperature reaches 65 DEG C, the first heat pipe is actuated for spreading
Heat；When reaching 50 DEG C when electronic product operating temperature, phase-change accumulation energy heat carrier absorbs heat and stored, when phase-change accumulation energy heat conduction
After body accumulation of energy saturation, energy storage BOB(beginning of block) sensible heat accumulation of energy, own temperature starts rise, and when being raised to 65 DEG C, the first heat pipe starts to open
It is dynamic, and heat is scattered in the external world by radiating fin, the first heat pipe and radiating fin play hot interference protective effect.According to actual need
Will, the first heat pipe that two kinds or more of start-up temperatures are different can be set, such as, in said structure, increase by one or many
Root start-up temperature is 70 DEG C of the 3rd heat pipe, when the first uncontrollable energy storage of adopting heat pipes for heat transfer speed that above-mentioned start-up temperature is 60 DEG C
When deblocking temperature is below 70 DEG C, energy storage deblocking temperature reaches 70 DEG C, and start-up temperature starts to start for 70 DEG C of the 3rd heat pipe, and increase dissipates
Hot speed, by the above-mentioned means, radiating block can Intelligent adjustment energy-storage blocks rate of heat dispation.
According to the actual requirements, above-mentioned energy-storage blocks are prepared into the form for accelerating radiating, i.e., increase in each face of energy-storage blocks and radiate
Heat-insulation and heat-preservation set is not increased on fin structure, and energy-storage blocks, now the reinforcement structure of energy-storage blocks radiating fin the most, when radiating fin can not
When timely heat being shed, energy-storage blocks form heat buffering warmly being stored, can be to there is hot Wave crest and wave trough to dissipate
Thermal device, energy-storage blocks are a kind of enhancing to radiating fin, eliminate heat wave peak, and energy-storage blocks radiate in heat wave paddy.
Heat-collecting block 3 includes the heat pipe 32 of collecting plate 31 and second, and collecting plate 31 is arranged on energy-storage blocks 1 by the second heat pipe 32
On, the heat that collecting plate 31 is gathered is transmitted to energy-storage blocks 1 by the second heat pipe 32, and the collection of heat is realized by heat-collecting block,
And by the second heat pipe by the heat transmission of collection to energy-storage blocks, thermal-arrest, heat-transfer effect are good, it is easy to small space and remote
Heat is transmitted, and collecting plate includes one or both of aluminum or aluminum alloy, copper or copper alloy, stainless steel, iron or iron-carbon alloy
Alloy thing or two or more alloy things are made, and the second heat pipe is arranged to circular heat pipe or flat heat pipe, can be made according to space
The change of shape and route.
Second heat pipe 32 is provided with thermal insulation coat 33, and isothermal holding can be carried out to the heat on the second heat pipe, heat-insulated
The thickness of heat insulation coating 33 is 1~50mm, and the thermal conductivity factor of thermal insulation coat 33 is 0.02~0.08W/mK, insulation effect
It is really good, the thickness of thermal insulation coat is set to 1~50mm, the space of thermal insulation coat has been saved, and heat-insulation and heat-preservation is applied
Layer uses nano vacuum pearl heat insulating coatings.
Heat-conduction energy storage material is made up of following steps：
Step one：Energy storage material is put into reactor, 22~30 DEG C is heated to more than melting temperature and keeps constant temperature, when
Energy storage material stirs energy storage material after Solid State Transformation is liquid, and mixing speed is 80rpm, and mixing time is 1~3h；
Step 2：Enhanced thermal conduction material is slowly added in the reactor handled to step one, temperature during step one stirring is kept
Degree, then stirs 1~4h in the case where speed is 80~120rpm, enhanced thermal conduction material is evenly distributed in high heat conduction phase transformation powder,
The heat-conduction energy storage material of enhanced thermal conduction is obtained, can realize that enhanced thermal conduction material is evenly distributed in high heat conduction phase transformation powder, is improved
Phase change efficiency, whole service life is long, and overall prepare processes simple, and with low cost, energy storage density is big, thermal conductivity factor is high, nothing
Poison is harmless.
Energy storage material includes organic energy storage material and inorganic solid-liquid energy storage material, and organic energy storage material and inorganic solid-liquid
The mass ratio of energy storage material is 1:1, thermal contact resistance can be reduced, heat conduction rate is improved.
The preparation technology of energy-storage blocks, comprises the following steps successively：
Step one：Energy storage material is put into reactor, 22~30 DEG C are heated to more than the melting temperature of energy storage material simultaneously
Keep constant temperature, when energy storage material from Solid State Transformation be liquid after, stir energy storage material, mixing speed is 80rpm, and mixing time is
1~3h；
Step 2：Enhanced thermal conduction material is slowly added in the reactor handled to step one, temperature during step one stirring is kept
Degree, then stirs 1~4h in the case where speed is 80~120rpm, enhanced thermal conduction material is evenly distributed in high heat conduction phase transformation powder,
Obtain the composite energy-storage material of enhanced thermal conduction, i.e. heat-conduction energy storage material；
Step 3：The heat-conduction energy storage material that step 2 is made is poured into the metal shell of energy-storage blocks, and is compacted guarantee and is led
The gap of the hot full energy storage block of energy storage material filling；
Step 4：Metal shell sealing after step 3 is handled.
In addition to above preferred embodiment, the present invention also has other embodiments, and those skilled in the art can be according to this
Invention is variously modified and deformed, and without departing from the spirit of the present invention, all should belong to appended claims of the present invention and determine
The scope of justice.
Claims (9)
1. a kind of long-distance transmissions with heat bridge effect store heat radiation structure, it is characterised in that：Including energy-storage blocks (1), radiating block
(2) and heat-collecting block (3), radiating block (2) is connected with energy-storage blocks (1) for the rate of heat dispation for controlling energy-storage blocks (1), heat-collecting block (3)
It is connected with energy-storage blocks (1) in the heat fast transfer that gathers heat-collecting block to energy-storage blocks (1), energy-storage blocks (1) to include metal
Heat-conduction energy storage material is provided with shell (11) and the heat conduction grid (12) being arranged in metal shell (11), heat conduction grid (12)
(13), the thermal conductivity factor of heat conduction grid (12) is more than to rely on inside the thermal conductivity factor of heat-conduction energy storage material (13), energy-storage blocks (1) and led
Hot grid (12) the heat transfer coefficient formation heat bridge effect different with heat-conduction energy storage material (13)；
Heat-conduction energy storage material (13) is constituted including following components：55~100% high heat conduction phase transformation powder and 0~45% heat conduction
Enhancing material.
2. a kind of long-distance transmissions with heat bridge effect according to claim 1 store heat radiation structure, it is characterised in that：Lead
The thermal conductivity factor of hot grid (12) improves 1~4 order of magnitude with the thermal conductivity factor of heat-conduction energy storage material (13).
3. a kind of long-distance transmissions with heat bridge effect according to claim 1 store heat radiation structure, it is characterised in that：Gold
Belong to shell (11) and be provided with heat-insulation and heat-preservation set (14), heat-insulation and heat-preservation set (14) is detachably connected with metal shell (11).
4. a kind of long-distance transmissions with heat bridge effect according to claim 1 store heat radiation structure, it is characterised in that：Dissipate
Hot block (2) includes radiating fin (21) and the first heat pipe (22), and radiating fin (21) is arranged on energy-storage blocks (1) by the first heat pipe (22)
On, radiating fin (21) regulates and controls the rate of heat dispation of energy-storage blocks (1) by the start-up temperature of the first heat pipe of regulation (22).
5. a kind of long-distance transmissions with heat bridge effect according to claim 1 store heat radiation structure, it is characterised in that：Collection
Hot block (3) includes collecting plate (31) and the second heat pipe (32), and collecting plate (31) is arranged on energy-storage blocks (1) by the second heat pipe (32)
On, the heat of collecting plate (31) collection is transmitted to energy-storage blocks (1) by the second heat pipe (32).
6. a kind of long-distance transmissions with heat bridge effect according to claim 5 store heat radiation structure, it is characterised in that：The
Two heat pipes (32) are provided with thermal insulation coat (33).
7. a kind of long-distance transmissions with heat bridge effect according to claim 6 store heat radiation structure, it is characterised in that：Every
The thickness of hot heat insulation coating (33) is 1~50mm, and the thermal conductivity factor of thermal insulation coat (33) is 0.02~0.08W/mK.
8. a kind of long-distance transmissions with heat bridge effect according to claim 1 store heat radiation structure, it is characterised in that：Lead
Hot energy storage material is made up of following steps：
Step one：Energy storage material is put into reactor, 22~30 DEG C is heated to more than melting temperature and keeps constant temperature, work as energy storage
Material stirs energy storage material after Solid State Transformation is liquid, and mixing speed is 80rpm, and mixing time is 1~3h；
Step 2：Enhanced thermal conduction material is slowly added in the reactor handled to step one, temperature during step one stirring is kept, so
1~4h is stirred in the case where speed is 80~120rpm afterwards, enhanced thermal conduction material is evenly distributed in high heat conduction phase transformation powder, is led
The enhanced heat-conduction energy storage material of heat.
9. a kind of long-distance transmissions with heat bridge effect according to claim 1 store heat radiation structure, it is characterised in that：Storage
Can material include organic energy storage material and inorganic solid-liquid energy storage material, and organic energy storage material and inorganic solid-liquid energy storage material
Mass ratio is 1:1.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111386012A (en) * | 2020-02-28 | 2020-07-07 | 北京空间飞行器总体设计部 | Radiator with variable heat dissipation capacity suitable for near space |
| CN111410939A (en) * | 2020-04-09 | 2020-07-14 | 清华大学深圳国际研究生院 | Heat-conducting phase-change energy storage sheet and preparation method thereof |
| CN112451201A (en) * | 2020-11-26 | 2021-03-09 | 郑程程 | Self-heating patch for pediatrics and preparation method thereof |
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