CN103340712A - Electric hot-water bag utilizing phase change latent heat and manufacturing method thereof - Google Patents
Electric hot-water bag utilizing phase change latent heat and manufacturing method thereof Download PDFInfo
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Abstract
The invention discloses an electric hot-water bag utilizing phase change latent heat. An energy storage material layer is arranged inside the electric hot-water bag filled with heat storage liquid, the heat output portion of a heating element is arranged inside the energy storage material layer, the energy storage material layer forms a stable phase composition body system by blending phase change materials and auxiliaries, the composition body system of the energy storage material layer is made to be kept in an even and stable suspended state or an opacifying state or to form a gel state, a heat energy exchange buffering release functional layer is formed, and heat which is output by the heating element and absorbed by the energy storage material layer is slowly and smoothly transferred to the filled heat storage liquid. The invention further provides a manufacturing method of the electric hot-water bag. The method comprises the steps of manufacturing the composition body system of the energy storage material layer, preparing an energy storage material layer unit, manufacturing an energy storage material layer system and forming and manufacturing the electric hot-water bag. The electric hot-water bag utilizing the phase change latent heat can effectively prevent scald, and has the advantages of being longer in warming time, reasonable in structure, environmentally friendly, and good in market prospect.
Description
Technical field
The present invention relates to a kind of heating hot water bag and preparation method thereof, particularly relate to a kind of electric hot-water bag and preparation method thereof.
Background technology
Along with temperature continue drop, electric hot-water bag is used by people more and more.Its operation principle is by the solution heating of electric heater unit with inside, has the advantage easily that can be recycled, warms oneself.
Yet current electric hot-water bag still exists some shortcomings.At first, the charging finish after water temperature up to 90 ℃ about, though the electric hot-water bag skin is with the cloth cover, but internal hot-water through heat be passed to the human surface temperature still up to 75 ℃ about, even for the adult, it is higher that this temperature also shows slightly, and adult's temperature of warming oneself generally is advisable with 60-70 ℃.And for infant and old people, the heating temperature generally should not be higher than 50 ℃, and this temperature is just obviously higher, and the scald accident very likely takes place.Secondly, the current electric hot-water bag heating time is shorter, if place hands, its type discharge thermal effect can only be kept about 2 hours.
Because infant skin is relatively finer and smoother, old people's skin is relatively more fragile, if this two large group is also used traditional electric hot-water bag, will inevitably bury a series of potential safety hazard.Simultaneously, infant and old people are again that two bigger big electric hot-water bags of proportion use colony, have vast market.Yet, make a general survey of present existing product on the market, the electric hot-water bag of this two large group does not also appear being exclusively used in.
Summary of the invention
In order to solve the prior art problem, the objective of the invention is to overcome the defective that prior art exists, a kind of electric hot-water bag that utilizes latent heat of phase change and preparation method thereof is provided, when utilizing the phase-change material phase transformation, the electric hot-water bag of latent heat of phase change of the present invention can absorb or emit the characteristics of big calorimetric, make a large amount of heat energy of electric hot-water bag surplus saving, the electric hot-water bag outer sheath temperature can be stabilized in 45-50 ℃ the long period simultaneously, can effectively prevent from scalding, and in the heating process, the electric hot-water bag cooling trend of latent heat of phase change of the present invention is suitable mutually with people's heating process, has the longer heating time, and is rational in infrastructure, environmental protection, market prospect is good.
Create purpose for reaching foregoing invention, the present invention adopts following technical proposals:
A kind of electric hot-water bag that utilizes latent heat of phase change, by the electric hot-water bag skin, heater, insulant and filling heat accumulation liquid constitute, the outer airtight formation annular seal space of electric hot-water bag, in annular seal space, inject filling heat accumulation liquid, heater is arranged in the annular seal space, the heat output of heater is to filling heat accumulation liquid quantity of heat given up, one end of heater forms positive and negative electrode, positive and negative electrode outer surface coated insulation material insulate, positive and negative electrode is connected by the outer outside attaching plug of lead and electric hot-water bag, also be provided with the energy storage material layer segment in the inside of filling heat accumulation liquid, the heat output position of heater is arranged at energy storage material layer inside, the energy storage material layer is mixed by phase-change material and auxiliary agent and forms the stable phase composition system, make energy storage material layer composition system keep even and stable suspended state, milkiness state or formation gel state, and form thermal energy exchange buffering release function layer, the energy storage material layer with the heat of the heater output that absorbs slowly and reposefully to filling the heat accumulation liquid transfer.
As the improvement of technical solution of the present invention, the energy storage material layer is provided with the low thermal conductivity material interlayer for the composite structure that the multilamellar interlayer distributes between the adjacent energy storage material layer structure sheaf.
Improvement as technical solution of the present invention, in with one deck energy storage material layer structure sheaf, adopt the low thermal conductivity material interlayer that the single layer structure layer of energy storage material layer is divided into different blocks again, make the low thermal conductivity material interlayer of energy storage material layer be connected to form monoblock type space bulkhead bracket, the different blocks of energy storage material layer is separated, made the energy storage material layer form the tier array composite structure.
Above-mentioned low thermal conductivity material interlayer adopts butyl rubber to make and forms, and the heat output of heater is the heating wire of flat round pie, and heater adopts butyl rubber to be fixed in the middle part of energy storage material layer.
Above-mentioned energy storage material layer composition system preference comprises phase-change material component and nucleator component, adopt sodium acetate trihydrate as phase-change material, adopt sodium sulfate as nucleator, in described energy storage material layer composition system, make the quality percentage composition of each component be respectively the sodium sulfate of 90~92% sodium acetate trihydrates and 8~10%.
Above-mentioned energy storage material layer composition system preference comprises phase-change material component, nucleator component and thickener component, adopt sodium acetate trihydrate as phase-change material, adopt sodium sulfate as nucleator, adopt carboxymethyl cellulose as thickening agent, in described energy storage material layer composition system, make the quality percentage composition of each component be respectively 88~90% sodium acetate trihydrates, 8.5~10.5% sodium sulfate and 1.5~2.0% carboxymethyl cellulose.
The present invention also provides a kind of manufacture method of utilizing the electric hot-water bag of latent heat of phase change, comprises the steps:
A. energy storage material layer composition system preparation: adopt sodium acetate trihydrate as phase-change material, adopt sodium sulfate as nucleator, take by weighing sodium acetate trihydrate and sodium sulfate respectively as the compositions key component of preparation energy storage material layer according to preset proportion, the sodium acetate trihydrate heating for dissolving is become transparent phase-change material solution, in phase-change material solution, add sodium sulfate again, to mixed liquor mixing stirring, make mixed liquor reach the state of stable homogeneous, obtain energy storage material layer composition mixed liquor; In energy storage material layer composition system, make the quality percentage composition of each component be preferably the sodium sulfate of 90~92% sodium acetate trihydrates and 8~10% respectively; The good carboxymethyl cellulose that adopts again is as thickening agent, take by weighing sodium acetate trihydrate, sodium sulfate and carboxymethyl cellulose respectively as the composition component of preparation energy storage material layer according to preset proportion, sodium sulfate and carboxymethyl cellulose are joined in the phase-change material solution, again to mixed liquor mixing stirring, make mixed liquor reach the state of stable homogeneous, obtain energy storage material layer composition mixed liquor; In energy storage material layer composition system, make the quality percentage composition of each component can also be preferably 88~90% sodium acetate trihydrates, 8.5~10.5% sodium sulfate and 1.5~2.0% carboxymethyl cellulose respectively;
B. energy storage material layer unit preparation: the energy storage material layer composition mixed liquor that will prepare in above-mentioned steps a is distributed between the two-layer butyl rubber material layer while hot, make energy storage material layer composition mixed liquor keep even and stable suspended state, milkiness state or formation gel state, form phase-change material layers, prepare first composite material structural unit of the energy storage material layer that is constituted by two-layer butyl rubber material layer and the combination of one deck phase-change material layers; The thickness of every layer of butyl rubber material layer is preferably 0.5mm; Go up by coating method on corresponding surface in two between preferably will be the arbitrarily adjacent two-layer butyl rubber material layer, makes energy storage material layer composition mixed liquor fill and be attached between the two-layer butyl rubber material layer, forms phase-change material layers; Preferably pass through coating method, energy storage material layer composition mixed liquor is coated between the two-layer butyl rubber material layer in order dispersedly with array format, form the phase-change material block that array format distributes, by filling the butyl rubber material, make the butyl rubber material layer of each layer be in turn connected to form monoblock type space bulkhead bracket system in the gap between different phase-change material blocks;
C. energy storage material coating systems preparation: the phase-change material layers of between one deck butyl rubber material layer of first composite material structural unit and other one deck butyl rubber material layer, making another layer again, form second composite material structural unit, repeat above-mentioned steps b, make 7~9 composite material structural units of combination successively continuously, formation composite material structure system obtains energy storage material layer function body; The thickness of every layer of butyl rubber material layer is preferably 0.5mm; Go up by coating method on corresponding surface in two between preferably will be the arbitrarily adjacent two-layer butyl rubber material layer, makes energy storage material layer composition mixed liquor fill and be attached between the two-layer butyl rubber material layer, forms phase-change material layers; Preferably pass through coating method, energy storage material layer composition mixed liquor is coated between the two-layer butyl rubber material layer in order dispersedly with array format, form the phase-change material block that array format distributes, by filling the butyl rubber material, make the butyl rubber material layer of each layer be in turn connected to form monoblock type space bulkhead bracket system in the gap between different phase-change material blocks;
D. the making of electric hot-water bag: in the energy storage material layer function body that in above-mentioned steps a, prepares, insert the heater of electric heater unit, make the heat output of described heater be fixed in the middle part of energy storage material layer, again heater and energy storage material layer function external body are placed the electric hot-water bag inner chamber that is formed by the outer encapsulation of electric hot-water bag jointly, and in the electric hot-water bag inner chamber, inject heatable filling heat accumulation liquid, electrode tip with heater couples together by lead and the outer outside attaching plug of electric hot-water bag simultaneously, and the electrode tip of heater carried out insulation processing, namely finish the making of electric hot-water bag; The electric hot-water bag skin is preferably made by butadiene-styrene rubber, and butadiene-styrene rubber wearability, resistance to ag(e)ing are better, can guarantee the safety of using.
The present invention has following apparent outstanding substantive distinguishing features and remarkable advantage compared with prior art:
1. the present invention utilizes the electric hot-water bag of latent heat of phase change that energy storage material is placed in the butyl rubber interlayer with layering or multiple tier array form, and the multilamellar interlayer rationally is installed on electric hot-water bag inside, can absorb or emit the characteristics of big calorimetric when utilizing the phase-change material phase transformation, make a large amount of heat energy of electric hot-water bag surplus saving.
2. the present invention utilizes the electric hot-water bag outer sheath temperature of latent heat of phase change the long period to be stabilized in 45-50 ℃, can effectively prevent from scalding, and makes institute's product have safety, anti-scald, the lasting function of heating effect, is particularly useful for infant and old people.
3. use electric hot-water bag that the present invention utilizes latent heat of phase change in the heating process, its cooling trend is suitable mutually with people's heating process, and temperature reduces the back phase-change material and discharges the heat of transformation, is the internal solution additional heat, makes the present invention have the heating time of length.
4. the present invention utilizes electric hot-water bag the present invention of latent heat of phase change to select the phase-change material of environmental protection for use and adds multiple auxiliary agent, reaches good effect, environmental protection by compounded technology.
Description of drawings
Fig. 1 utilizes the structural representation of the electric hot-water bag of latent heat of phase change for the embodiment of the invention one.
Fig. 2 is the structural representation of the thermal energy exchange buffering release function layer of the embodiment of the invention one.
Fig. 3 is the cutaway view along the A-A line of Fig. 2.
Fig. 4 is the thin portion structural representation of the thermal energy exchange buffering release function layer part of the embodiment of the invention three.
The specific embodiment
Details are as follows for the preferred embodiments of the present invention:
Embodiment one:
In the present embodiment, referring to Fig. 1~Fig. 3, a kind of electric hot-water bag that utilizes latent heat of phase change, by electric hot-water bag skin 5, heater 7, insulant and filling heat accumulation liquid 3 constitute, the outer 5 airtight formation annular seal spaces of electric hot-water bag, in annular seal space, inject filling heat accumulation liquid 3, heater 7 is arranged in the annular seal space, the heat output of heater 7 is to filling heat accumulation liquid 3 quantities of heat given up, one end of heater 7 forms positive and negative electrode 2, positive and negative electrode 2 outer surface coated insulation materials insulate, positive and negative electrode 2 is connected by the attaching plug 1 of lead with outer 5 outsides of electric hot-water bag, also be provided with energy storage material layer 4 part in the inside of filling heat accumulation liquid 3, the heat output position of heater 7 is arranged at energy storage material layer 4 inside, energy storage material layer 4 is mixed by phase-change material and auxiliary agent and forms the stable phase composition system, make energy storage material layer 4 composition system keep even and stable suspended state, milkiness state or formation gel state, and forming thermal energy exchange buffering release function layer, the heat that energy storage material layer 4 is exported the heater 7 that absorbs slowly and reposefully transmits to filling heat accumulation liquid 3.
In the present embodiment, referring to Fig. 2 and Fig. 3, energy storage material layer 4 is provided with low thermal conductivity material interlayer 6 for the composite structure that the multilamellar interlayer distributes between adjacent energy storage material layer 4 structure sheaf.
In the present embodiment, referring to Fig. 2 and Fig. 3, low thermal conductivity material interlayer 6 adopts butyl rubber to make and forms, and the heat output of heater 7 is the heating wire of flat round pie, and heater 7 adopts butyl rubber to be fixed in the middle part of energy storage material layer 4.Present embodiment is placed the heating wire of flat round pie at energy storage material layer 4 middle part.Can promptly carry out heat transmission with water engaging surface is long-pending greatlyyer first, guarantee good temperature control effect; Second the heater of heating wire formula hot water bag wraps up with insulated coil, does not directly contact with liquid in the bag, has higher safety.Adopt butyl rubber to make and form low thermal conductivity material interlayer 6, butyl rubber good insulation performance, water resistance and less thermal conductivity, its thermal conductivity are 0.09W/ (m ℃), can make a large amount of heat energy of the inner better savings of the present invention.
Present embodiment utilizes the electric hot-water bag heat release time of latent heat of phase change to be divided into three phases: the phase I, after heating was finished, water temperature temporarily reached about 75 ℃; Second stage, water temperature is kept a period of time at 65-70 ℃; Phase III, continue constant temperature at 55-60 ℃.Can get according to experiment, internal layer solution and the outer cloth cover temperature difference are 10-15 ℃, and then corresponding outer cloth sleeving temperature is: about 60 ℃ of phase I, persistent period is about 5min, 50-55 ℃ of second stage, and the persistent period is about 25min, 45-50 ℃ of phase IIIs, the persistent period is about 3 hours.The benefit of the variations in temperature of this syllogic has: though the temperature of phase I is high slightly, the persistent period is shorter, and just in time satisfies the heating demand of a large amount of heats of the initial needs of user; The temperature duration of second stage is relatively long and temperature is suitable, thereby gives user with comfortable heating impression; Persistent period phase III is the longest, but temperature can hang down relatively, gives user with long-time warming effect, and effectively avoids low temperature to scald; Because this section temperature within infant and old people's tolerance range, even therefore leakage phenomenon is arranged, can not scalded yet.
Present embodiment utilizes the baking hands heating duration of the electric hot-water bag of latent heat of phase change to be about 3.5 hours, compares the longest temperature retention time of traditional product and has more lasting heating effect about 2 hours.Be example with traditional heating wire formula hot water bag, present embodiment utilizes the electric hot-water bag of latent heat of phase change only to need based on traditional heating wire formula hot water bag, its inside is divided into multilamellar butyl rubber interlayer, every layer of butyl rubber interlayer internal production energy storage material layer 4.
The structure of present embodiment energy storage material layer 4 part comprises that the multilamellar interlayer is arranged and middle part heater 7 is arranged.Adopt the multilamellar interlayer to arrange, according to experimental result, if phase-change material is concentrated placement, meeting caking and hardness were bigger after then the phase-change material heat release was solidified; In addition, skin and internal layer phase-change material very easily occur and be divided into biphase situation in heat transfer process, heat utilization efficiency is low, is not suitable for using.Therefore, present embodiment adopts the multilamellar interlayer to arrange to have higher heat utilization efficiency in the time of guaranteeing the phase-change material phase transformation, can realize that smoothly solid-liquid changes mutually completely.
Embodiment two:
Present embodiment and embodiment one are basic identical, and special feature is:
In the present embodiment, utilizing the volume of the electric hot-water bag of latent heat of phase change with present embodiment is that 1000ml is example.Be uniformly dispersed in order to make hot water bag save a large amount of heat energy while internal heat, draw according to Theoretical Calculation and experimental result: filling heat accumulation liquid 3 shared volumes is 570ml, and energy storage material then should have at 430 ml mutually.The quality percentage composition of each component is respectively in the energy storage material: sodium acetate trihydrate 88%, sodium sulfate 10% and carboxymethyl cellulose are 2%.
Utilize the manufacture method of the electric hot-water bag of latent heat of phase change at present embodiment, comprise the steps:
A. energy storage material layer composition system preparation: adopt sodium acetate trihydrate as phase-change material, adopt sodium sulfate as nucleator, adopt carboxymethyl cellulose as thickening agent, according to preset proportion, be that weighing quality percentage composition is respectively 88% sodium acetate trihydrate, 10% sodium sulfate and 2% carboxymethyl cellulose are as the compositions key component of preparation energy storage material layer, take by weighing energy storage material layer composition component material according to the above ratio and have 650g altogether, the sodium acetate trihydrate heating for dissolving is become the transparent phase-change material solution of 430 ml, in phase-change material solution, add sodium sulfate and carboxymethyl cellulose again, to mixed liquor mixing stirring, make mixed liquor reach the state of stable homogeneous, obtain energy storage material layer composition mixed liquor;
B. energy storage material layer unit preparation: the energy storage material layer composition mixed liquor that will prepare in above-mentioned steps a is distributed between the two-layer butyl rubber material layer while hot, make energy storage material layer composition mixed liquor keep even and stable suspended state, milkiness state or formation gel state, form phase-change material layers, prepare first composite material structural unit of the energy storage material layer that is constituted by two-layer butyl rubber material layer and the combination of one deck phase-change material layers; Corresponding surface in two between the arbitrarily adjacent two-layer butyl rubber material layer is gone up by coating method, make energy storage material layer composition mixed liquor fill and be attached between the two-layer butyl rubber material layer, form phase-change material layers;
C. energy storage material coating systems preparation: the phase-change material layers of between one deck butyl rubber material layer of first composite material structural unit and other one deck butyl rubber material layer, making another layer again, form second composite material structural unit, repeat above-mentioned steps b, make 8 composite material structural units of combination successively continuously, formation composite material structure system obtains energy storage material layer function body; Corresponding surface in two between the arbitrarily adjacent two-layer butyl rubber material layer is gone up by coating method, make energy storage material layer composition mixed liquor fill and be attached between the two-layer butyl rubber material layer, form phase-change material layers;
D. the making of electric hot-water bag: in the energy storage material layer function body that in above-mentioned steps a, prepares, insert the heater of electric heater unit, make the heat output of heater be fixed in the middle part of energy storage material layer, again heater and energy storage material layer function external body are placed the electric hot-water bag inner chamber that is formed by the outer encapsulation of electric hot-water bag jointly, and in the electric hot-water bag inner chamber, inject the heatable filling heat accumulation of 570ml liquid, electrode tip with heater couples together by lead and the outer outside attaching plug of electric hot-water bag simultaneously, and the electrode tip of heater carried out insulation processing, namely finish the making of electric hot-water bag.
In the present embodiment, in energy storage material layer 4 composition system, it is 2% that the quality percentage composition of each component is respectively sodium acetate trihydrate 88%, sodium sulfate 10% and carboxymethyl cellulose.According to Theoretical Calculation, 1g water is about 250J from 15 ℃ of heats that are heated to 75 ℃ of absorptions of room temperature in winter, and 1g phase-change material sodium acetate trihydrate, i.e. CH
3COONa3H
2The total amount of heat that comprises the heat of transformation that O absorbs is about 450J, has the energy storage capacity bigger than water.So in an embodiment, energy storage material layer 4 adopts phase-change material, and in conjunction with practical application and the market prospect of electric hot-water bag, this phase-change material should have following seven characteristics:
1. suitable phase transition temperature is arranged;
2. more heat can be preserved or emit to latent heat of fusion height in phase transition process;
3. heat conductivity is big, and density is big, and specific heat capacity is big;
4. the phase transition process good reversibility, the expansion contractility is little, supercool or superheating phenomenon is few;
5. phase-change material Heat stability is good is in order to avoid issue solution estranged and lost efficacy at higher temperature relatively.
6. phase-change material is nontoxic, non-corrosiveness;
7. cost is low, and is easily manufactured.
Present embodiment is selected sodium acetate trihydrate, is about 58 ℃ as its phase transition temperature of phase-change material, the nucleator sodium sulfate of employing, i.e. Na
2SO
4Surfusion to sodium acetate trihydrate is inhibited; The thickening agent carboxymethyl cellulose can effectively improve the phenomenon of system phase layering, thereby forms the phase of stable homogeneous.
After calculating, draw, the electric hot-water bag that utilizes latent heat of phase change reaches under the situation of identical heating effect than traditional product, namely emit under the identical heat situation, present embodiment utilizes the volume of the electric hot-water bag of latent heat of phase change to be about 2/3rds of traditional product, satisfies small and exquisite, the portable social need of electric hot-water bag profile and development trend more.
Embodiment three:
Present embodiment and previous embodiment are basic identical, and special feature is:
In the present embodiment, referring to Fig. 4, in with one deck energy storage material layer 4 structure sheaf, adopt low thermal conductivity material interlayer 6 that the single layer structure layer of energy storage material layer 4 is divided into different blocks again, make the low thermal conductivity material interlayer 6 of energy storage material layer 4 be connected to form monoblock type space bulkhead bracket, the different blocks of energy storage material layer 4 is separated, made energy storage material layer 4 form the tier array composite structure.Pass through coating method, energy storage material layer 4 compositions mixed liquor are coated between the two-layer butyl rubber material layer in order dispersedly with array format, form the phase-change material block that array format distributes, by filling the butyl rubber material, make the butyl rubber material layer of each layer be in turn connected to form monoblock type space bulkhead bracket system in the gap between different phase-change material blocks.Energy storage material is placed in the butyl rubber interlayer with the multiple tier array form, and the multilamellar interlayer rationally is installed on electric hot-water bag inside, can absorb or emit the characteristics of big calorimetric when utilizing the phase-change material phase transformation, makes a large amount of heat energy of electric hot-water bag surplus saving.
By reference to the accompanying drawings the embodiment of the invention is illustrated above; but the invention is not restricted to above-described embodiment; can also make multiple variation according to the purpose of innovation and creation of the present invention; all according to technical solution of the present invention spirit and principle under make change, modification, substitute, combination, simplify; all should be the substitute mode of equivalence; as long as goal of the invention according to the invention; only otherwise deviate from know-why and the inventive concept that the present invention utilizes the electric hot-water bag and preparation method thereof of latent heat of phase change, all belong to protection scope of the present invention.
Claims (14)
1. electric hot-water bag that utilizes latent heat of phase change, by electric hot-water bag skin (5), heater (7), insulant and filling heat accumulation liquid (3) constitute, the airtight formation annular seal space of described electric hot-water bag skin (5), in annular seal space, inject filling heat accumulation liquid (3), described heater (7) is arranged in the annular seal space, the heat output of described heater (7) is to described filling heat accumulation liquid (3) quantity of heat given up, one end of described heater (7) forms positive and negative electrode (2), described positive and negative electrode (2) outer surface coated insulation material insulate, described positive and negative electrode (2) is connected by the outside attaching plug (1) of lead and described electric hot-water bag skin (5), it is characterized in that: also be provided with energy storage material layer (4) part in the inside of described filling heat accumulation liquid (3), the heat output position of described heater (7) is arranged at described energy storage material layer (4) inside, described energy storage material layer (4) is mixed by phase-change material and auxiliary agent and forms the stable phase composition system, make described energy storage material layer (4) composition system keep even and stable suspended state, milkiness state or formation gel state, and forming thermal energy exchange buffering release function layer, the heat of described heater (7) output that described energy storage material layer (4) will absorb slowly and reposefully transmits to described filling heat accumulation liquid (3).
2. the electric hot-water bag that utilizes latent heat of phase change according to claim 1, it is characterized in that: described energy storage material layer (4) is provided with low thermal conductivity material interlayer (6) for the composite structure that the multilamellar interlayer distributes between adjacent energy storage material layer (4) structure sheaf.
3. the electric hot-water bag that utilizes latent heat of phase change according to claim 2, it is characterized in that: in described energy storage material layer (4) structure sheaf with one deck, adopt low thermal conductivity material interlayer (6) that the single layer structure layer of described energy storage material layer (4) is divided into different blocks again, make the low thermal conductivity material interlayer (6) of described energy storage material layer (4) be connected to form monoblock type space bulkhead bracket, the different blocks of described energy storage material layer (4) is separated, made described energy storage material layer (4) form the tier array composite structure.
4. according to claim 2 or the 3 described electric hot-water bags that utilize latent heat of phase change, it is characterized in that: described low thermal conductivity material interlayer (6) adopts butyl rubber to make and forms, the heat output of described heater (7) is the heating wire of flat round pie, and described heater (7) adopts butyl rubber to be fixed in the middle part of described energy storage material layer (4).
5. according to any described electric hot-water bag that utilizes latent heat of phase change in the claim 1~3, it is characterized in that: described energy storage material layer (4) composition system comprises phase-change material component and nucleator component, adopt sodium acetate trihydrate as phase-change material, adopt sodium sulfate as nucleator, in described energy storage material layer (4) composition system, make the quality percentage composition of each component be respectively the sodium sulfate of 90~92% sodium acetate trihydrates and 8~10%.
6. according to any described electric hot-water bag that utilizes latent heat of phase change in the claim 1~3, it is characterized in that: described energy storage material layer (4) composition system comprises phase-change material component, nucleator component and thickener component, adopt sodium acetate trihydrate as phase-change material, adopt sodium sulfate as nucleator, adopt carboxymethyl cellulose as thickening agent, in described energy storage material layer (4) composition system, make the quality percentage composition of each component be respectively 88~90% sodium acetate trihydrates, 8.5~10.5% sodium sulfate and 1.5~2.0% carboxymethyl cellulose.
7. any described manufacture method of utilizing the electric hot-water bag of latent heat of phase change in the claim 1~3 is characterized in that, comprises the steps:
A. energy storage material layer composition system preparation: adopt sodium acetate trihydrate as phase-change material, adopt sodium sulfate as nucleator, take by weighing sodium acetate trihydrate and sodium sulfate respectively as the compositions key component of preparation energy storage material layer according to preset proportion, the sodium acetate trihydrate heating for dissolving is become transparent phase-change material solution, in phase-change material solution, add sodium sulfate again, to mixed liquor mixing stirring, make mixed liquor reach the state of stable homogeneous, obtain energy storage material layer composition mixed liquor;
B. energy storage material layer unit preparation: the energy storage material layer composition mixed liquor that will prepare in above-mentioned steps a is distributed between the two-layer butyl rubber material layer while hot, make energy storage material layer composition mixed liquor keep even and stable suspended state, milkiness state or formation gel state, form phase-change material layers, prepare first composite material structural unit of the energy storage material layer that is constituted by two-layer butyl rubber material layer and the combination of one deck phase-change material layers;
C. energy storage material coating systems preparation: the phase-change material layers of between one deck butyl rubber material layer of first composite material structural unit and other one deck butyl rubber material layer, making another layer again, form second composite material structural unit, repeat above-mentioned steps b, make 7~9 composite material structural units of combination successively continuously, formation composite material structure system obtains energy storage material layer function body;
D. the making of electric hot-water bag: in the energy storage material layer function body that in above-mentioned steps a, prepares, insert the heater of electric heater unit, make the heat output of described heater be fixed in the middle part of energy storage material layer, again heater and energy storage material layer function external body are placed the electric hot-water bag inner chamber that is formed by the outer encapsulation of electric hot-water bag jointly, and in the electric hot-water bag inner chamber, inject heatable filling heat accumulation liquid, electrode tip with heater couples together by lead and the outer outside attaching plug of electric hot-water bag simultaneously, and the electrode tip of heater carried out insulation processing, namely finish the making of electric hot-water bag.
8. the manufacture method of electric hot-water bag according to claim 7, it is characterized in that: in above-mentioned steps a, adopt carboxymethyl cellulose as thickening agent, take by weighing sodium acetate trihydrate, sodium sulfate and carboxymethyl cellulose respectively as the composition component of preparation energy storage material layer according to preset proportion, sodium sulfate and carboxymethyl cellulose are joined in the phase-change material solution, to mixed liquor mixing stirring, make mixed liquor reach the state of stable homogeneous again, obtain energy storage material layer composition mixed liquor.
9. the manufacture method of electric hot-water bag according to claim 7 is characterized in that: in above-mentioned steps a, in energy storage material layer composition system, make the quality percentage composition of each component be respectively the sodium sulfate of 90~92% sodium acetate trihydrates and 8~10%.
10. the manufacture method of electric hot-water bag according to claim 7, it is characterized in that: in above-mentioned steps a, in energy storage material layer composition system, make the quality percentage composition of each component be respectively 88~90% sodium acetate trihydrates, 8.5~10.5% sodium sulfate and 1.5~2.0% carboxymethyl cellulose.
11. the manufacture method of electric hot-water bag according to claim 7 is characterized in that: in above-mentioned steps b and c, the thickness of every layer of butyl rubber material layer is 0.5mm.
12. the manufacture method of electric hot-water bag according to claim 7 is characterized in that: in above-mentioned steps d, the electric hot-water bag skin is made by butadiene-styrene rubber.
13. the manufacture method of electric hot-water bag according to claim 7, it is characterized in that: in above-mentioned steps b and c, to pass through coating method on the corresponding surface in two between the arbitrarily adjacent two-layer butyl rubber material layer, make energy storage material layer composition mixed liquor fill and be attached between the two-layer butyl rubber material layer, form phase-change material layers.
14. the manufacture method of electric hot-water bag according to claim 13, it is characterized in that: in above-mentioned steps b and c, pass through coating method, energy storage material layer composition mixed liquor is coated between the two-layer butyl rubber material layer in order dispersedly with array format, form the phase-change material block that array format distributes, by filling the butyl rubber material, make the butyl rubber material layer of each layer be in turn connected to form monoblock type space bulkhead bracket system in the gap between different phase-change material blocks.
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CN103976817A (en) * | 2014-06-10 | 2014-08-13 | 陈科 | Novel electric water heater bag |
CN104382687A (en) * | 2014-12-03 | 2015-03-04 | 西南科技大学 | Hot water bottle |
CN104757732A (en) * | 2015-03-30 | 2015-07-08 | 茂泰(福建)鞋材有限公司 | Novel foot-warming shoe sole and shoe having same |
AT515344A1 (en) * | 2014-01-23 | 2015-08-15 | Benjamin Ohmer | Heating device with a latent heat storage medium |
CN106232064A (en) * | 2014-01-23 | 2016-12-14 | Wfi 沃姆费拉盛创新公司(有限责任) | Heater with latent heat accumulator unit |
CN106367033A (en) * | 2016-08-30 | 2017-02-01 | 中国科学院山西煤炭化学研究所 | High-stability composite phase-change material and preparation method |
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CN111059757A (en) * | 2019-12-30 | 2020-04-24 | 江苏大学 | Intelligence phase transition formula graphite alkene hot-water bag heater |
WO2020232974A1 (en) * | 2019-05-20 | 2020-11-26 | 华南理工大学 | Controllable phase-change material package and preparation method therefor and application thereof |
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WO2020232974A1 (en) * | 2019-05-20 | 2020-11-26 | 华南理工大学 | Controllable phase-change material package and preparation method therefor and application thereof |
CN110567306A (en) * | 2019-09-11 | 2019-12-13 | 上海电力大学 | Electric heating step solid-liquid heat storage heating bag |
CN111059757A (en) * | 2019-12-30 | 2020-04-24 | 江苏大学 | Intelligence phase transition formula graphite alkene hot-water bag heater |
FR3110171A1 (en) * | 2020-05-17 | 2021-11-19 | Patrick Herbault | Heat storage medium with encapsulated phase change material |
FR3110172A1 (en) * | 2020-05-17 | 2021-11-19 | Patrick Herbault | Heat storage medium with sodium acetate trihydrate solution without supercooling |
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