CN206695657U - 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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- CN206695657U CN206695657U CN201720556849.6U CN201720556849U CN206695657U CN 206695657 U CN206695657 U CN 206695657U CN 201720556849 U CN201720556849 U CN 201720556849U CN 206695657 U CN206695657 U CN 206695657U
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
It the utility model is related to a kind of long-distance transmissions with heat bridge effect and store heat radiation structure, 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 provided 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；The advantages of the utility model：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 the hot interference protection to energy-storage blocks; 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
It the utility model is related to a kind of long-distance transmissions with heat bridge effect and store heat radiation structure.
Background technology
Night cheap electric energy or industrial waste heat can be converted to high temperature heat and stored by regenerative apparatus, the heat of storage
It can be used directly, heated for building, electric energy use, existing storage can also be converted heat energy into peak times of power consumption
Heat structure device is huge, and system investments maintenance cost is high, it is impossible to adapts to concentrate and heat is dissipated can not in time in narrow space heat
Go out, 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, refer to the phase-change material that can absorb or discharge 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 in time.Meanwhile when environment temperature is too high or too low, phase transformation
Energy storage material and environment heat exchange are very fast, and rate of heat exchange can be reduced by heat-insulation layer, so as to play phase-changing energy storage material most
Large effect.
Utility model content
The technical problems to be solved in the utility model is just to provide a kind of long-distance transmissions with heat bridge effect and stores heat release
Structure, solve the problems, such as that existing narrow space heat is concentrated and heat shed can not in time.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions：One kind has heat bridge
The long-distance transmissions of effect store heat radiation structure, including energy-storage blocks, radiating block and heat-collecting block, and radiating block is connected with energy-storage blocks for controlling
The rate of heat dispation of energy-storage blocks processed, heat-collecting block are connected with energy-storage blocks for the heat fast transfer that gathers heat-collecting block to energy-storage blocks
Interior, energy-storage blocks include metal shell and the heat conduction grid being arranged in metal shell, and heat-conduction energy storage material is provided 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 heat conduction grid and heat-conduction energy storage are relied on inside energy-storage blocks
The different heat transfer coefficient of material forms heat bridge effect.
Preferably, the thermal conductivity factor of the thermal conductivity factor of heat conduction grid and heat-conduction energy storage material improves 1~4 order of magnitude, energy
Different occasions is adapted to, realizes that the exotherm rate of energy-storage blocks is adjustable, practical performance is good.
Preferably, 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 being actually needed
The quick of energy block heat sheds.
Preferably, 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.
Preferably, 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, collection
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
For heat pipe by the heat transmission of collection to energy-storage blocks, thermal-arrest, heat-transfer effect are good, are easy to small space and remote heat to transmit.
Preferably, the second heat pipe is provided with thermal insulation coat, can carry out isothermal holding to the heat on the second heat pipe.
Preferably, the thickness of thermal insulation coat is 1~50mm, and the thermal conductivity factor of thermal insulation coat be 0.02~
0.08W/mK, high insulating effect, the thickness of thermal insulation coat is arranged to 1~50mm, has saved thermal insulation coat
Space.
In summary, the advantages of the utility model：Pass through the heat conduction grid heat transfer coefficient different with phase-change accumulation energy heat carrier
Make to form heat bridge effect in energy-storage blocks, improve the storage rate of heat release for storing heat radiation structure, and pass through the phase transformation of heat-conduction energy storage material
Latent heat improves the energy storage density for storing heat radiation structure, and the rate of heat dispation of the storage heat radiation structure is controlled by radiating block, realizes to storage
Can block hot interference protection, heat-collecting block can quickly be transferred to heat in energy-storage blocks and be stored, and solve small space and remote
Apart from heat recovery and energy storage problem；Available for space flight, new energy car battery temperature control, electronic product temperature control, solar energy optical-thermal
Utilize, building energy conservation, heat transfer storage, the field such as waste heat recovery.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is the structural representation that a kind of long-distance transmissions with heat bridge effect of the utility model store heat radiation structure.
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 to be connected for the rate of heat dispation for controlling energy-storage blocks 1, heat-collecting block 3 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 grid 12 in shell 11, heat conduction grid 12 is interior to be provided with heat-conduction energy storage material 13, and the thermal conductivity factor of heat conduction grid 12, which is more than, leads
The thermal conductivity factor of hot energy storage material 13, the inside of energy-storage blocks 1 is by the different heat transfer system of heat conduction grid 12 and heat-conduction energy storage material 13
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 grown, and overall prepare is processed simply, and cost is cheap, and 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 of kind；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, realize that the exotherm rate of energy-storage blocks is adjustable, practical performance is good, and the thermal conductivity factor of heat-conduction energy storage material 13 is arranged to
0.3~18W/mK, the thermal conductivity factor of heat conduction grid is arranged to 5~20000W/mK, after heat conduction grid is increased, can incited somebody to action
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 provided with heat-insulation and heat-preservation set 14, and heat-insulation and heat-preservation set 14 is detachably connected 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 be realized according to being actually needed
The quick of energy-storage blocks heat sheds, and when needing the heat by energy-storage blocks quickly to shed, only needing will will be heat-insulated outside metal shell
Muff is removed, and 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
Natural cooling or the structure of additional fans cooling are 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, realize 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 to raise, 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 more
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 is that 70 DEG C of the 3rd heat pipe starts to start, 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., in each face increase radiating of energy-storage blocks
Fin structure, and do not increase heat-insulation and heat-preservation set on energy-storage blocks, the now 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 gathers 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 transmits, 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
Fruit is good, and the thickness of thermal insulation coat is arranged into 1~50mm, has saved the space of thermal insulation coat, and heat-insulation and heat-preservation applies
Layer uses nano vacuum pearl heat insulating coatings.
The preparation technology of energy-storage blocks, comprises the following steps successively：
Step 1：Energy storage material is put into reactor, is heated to more than the melting temperature of energy storage material 22~30 DEG C simultaneously
Keep constant temperature, when energy storage material from Solid State Transformation be liquid after, stirring energy storage material, mixing speed 80rpm, mixing time is
1~3h；
Step 2：Enhanced thermal conduction material is slowly added in the reactor handled to step 1, keeps temperature during step 1 stirring
Degree, 1~4h then is stirred 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：Heat-conduction energy storage material made of step 2 is poured into the metal shell of energy-storage blocks, and is compacted guarantee and leads
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 utility model also has other embodiments, and those skilled in the art can root
It is variously modified and deforms according to the utility model, without departing from spirit of the present utility model, the utility model all should be belonged to
Scope defined in appended claims.
Claims (7)
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) it is connected with heat-collecting block (3), radiating block (2) 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
Shell (11) and the heat conduction grid (12) being arranged in metal shell (11), heat conduction grid (12) is interior to be provided with heat-conduction energy storage material
(13), the thermal conductivity factor of heat conduction grid (12) is more than the thermal conductivity factor of heat-conduction energy storage material (13), relies on and leads inside energy-storage blocks (1)
Hot grid (12) and the different heat transfer coefficient of heat-conduction energy storage material (13) form heat bridge effect.
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
Category shell (11) is provided with heat-insulation and heat-preservation set (14), and 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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720556849.6U CN206695657U (en) | 2017-05-18 | 2017-05-18 | A kind of long-distance transmissions with heat bridge effect store heat radiation structure |
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| CN201720556849.6U CN206695657U (en) | 2017-05-18 | 2017-05-18 | A kind of long-distance transmissions with heat bridge effect store heat radiation structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084634A (en) * | 2017-05-18 | 2017-08-22 | 平湖阿莱德实业有限公司 | A kind of long-distance transmissions with heat bridge effect store heat radiation structure |
| CN108232064A (en) * | 2017-12-22 | 2018-06-29 | 天津力神特种电源科技股份公司 | A kind of temperature control safeguard structure of lithium battery system |
-
2017
- 2017-05-18 CN CN201720556849.6U patent/CN206695657U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084634A (en) * | 2017-05-18 | 2017-08-22 | 平湖阿莱德实业有限公司 | A kind of long-distance transmissions with heat bridge effect store heat radiation structure |
| CN108232064A (en) * | 2017-12-22 | 2018-06-29 | 天津力神特种电源科技股份公司 | A kind of temperature control safeguard structure of lithium battery system |
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