CN212699289U - Phase-change heat storage type uterus warming device - Google Patents
Phase-change heat storage type uterus warming device Download PDFInfo
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- CN212699289U CN212699289U CN202020244122.6U CN202020244122U CN212699289U CN 212699289 U CN212699289 U CN 212699289U CN 202020244122 U CN202020244122 U CN 202020244122U CN 212699289 U CN212699289 U CN 212699289U
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Abstract
The utility model discloses a phase transition heat accumulation formula uterus warmer, wherein, phase transition heat accumulation formula uterus warmer includes the waistband and sets up the phase transition heat-retaining device of waistband one end, phase transition heat-retaining device includes the thermal-insulated layer of the aerogel adhesive tape that a cavity structures that has the indent, phase transition lamella, PTC generate heat the piece and reinforce the heat-conducting layer by interior outside to having set gradually in the cavity on the thermal-insulated layer of aerogel adhesive tape, the one end that the PTC generates heat the piece is provided with the interface that charges, the interface that charges is used for being connected the messenger with external power source the switching on of PTC heating piece generates heat. The utility model discloses in, utilize the phase transition lamella to absorb the heat that the PTC generates heat the piece and produce under the condition of being connected with external power source after the abundant energy storage of phase transition lamella, under the power-off state, can carry out the hot compress to user's belly through the heat transfer that reinforces the heat-conducting layer will be stored, the heat-retaining of the phase transition lamella of adoption is good in the repeatability that releases heat, can realize the used circulation of the phase transition heat-retaining formula uterus warming treasured of preparing, green.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a phase transition heat-retaining formula uterus warmer.
Background
The uterus warming device is used as an auxiliary tool for treating female gynecological diseases, and mainly adopts a heating sheet to carry out hot compress on the abdomen of a user so as to achieve the uterus warming effect. At present, the uterus warming treasured on the market mainly adds hot type and electrical heating formula for chemical reaction, wherein, chemical reaction formula uterus warming treasured utilizes active substance to expose to the air and produces chemical reaction, turn into chemical energy heat energy, electrical heating formula uterus warming treasured utilizes the mobile power supply to heat the controllable warm formula of PTC piece that generates heat, turn into electric energy heat energy, but these two kinds of uterus warming treasureds all have certain drawback, for example, chemical reaction formula uterus warming treasured is uncontrollable and can not reuse to the temperature that generates heat, and electrical heating formula uterus warming treasured need mobile power supply such as treasured that charges just can use and continue a journey, carried for the user and caused very big inconvenience.
Accordingly, the prior art is yet to be improved and developed.
SUMMERY OF THE UTILITY MODEL
In view of the not enough of the above-mentioned prior art, the utility model aims at providing a phase transition heat-retaining formula uterus warming is precious, aims at solving the inconvenient and poor technical problem of reuse effect of carrying of current uterus warming is precious.
The technical scheme of the utility model as follows:
the utility model provides a phase transition heat-retaining formula uterus warming is precious, wherein, is in including waistband and setting the phase transition heat-retaining device of waistband one end, phase transition heat-retaining device includes the cold-proof layer of the cavity structures's of an indent aerogel adhesive tape, phase transition lamella, PTC generate heat piece and reinforce the heat-conducting layer have set gradually by inside to outside in the cavity on the cold-proof layer of aerogel adhesive tape, the one end of PTC generate heat piece is provided with the interface that charges, the interface that charges is used for being connected the messenger with external power supply PTC generates heat piece circular telegram and generates heat.
Phase transition heat-retaining formula uterus warming is precious, wherein, the phase transition lamella with one side that the intensive heat-conducting layer contacted is provided with the recess, PTC generate heat the piece fixed set up in the recess of phase transition lamella.
The phase-change heat storage type uterus warming device is characterized in that the aerogel adhesive tape heat preservation layer is formed by compounding silicon dioxide aerogel and flexible fibers.
The phase-change heat storage type uterus warming device is characterized in that the thickness of the aerogel adhesive tape warming layer is 1.0-5.0 mm.
The phase-change heat storage type uterus warmer is characterized in that the phase-change sheet layer is formed by compounding an organic phase-change material and elastomer resin.
The phase-change heat storage type uterus warming device is characterized in that the organic phase-change material is one or more of paraffin, fatty acid, fatty alcohol and polyol.
The phase-change heat storage type uterus warmer is characterized in that the thickness of the phase-change sheet layer is 0.5-3.0 mm.
The phase-change heat storage type uterus warming device is characterized in that the reinforced heat conduction layer is one of a graphite film, a graphene film, a carbon nanotube film, a copper foil or an aluminum foil.
The phase-change heat storage type uterus warming device is characterized in that the reinforced heat conduction layer is one of a graphite film, a graphene film, a carbon nanotube film, a copper foil or an aluminum foil.
The utility model discloses a phase transition heat-retaining formula uterus warming is precious, wherein, phase transition heat-retaining device's both sides are still fixed and are provided with the bed of cloth, the bed of cloth include with the outer bed of cloth of the cold-proof layer laminating of aerogel adhesive tape and with the interior bed of cloth of the laminating of intensive heat-conducting layer.
The phase-change heat storage type uterus warming device is characterized in that the PTC heating sheet is a PTC resistor for overheat protection.
Has the advantages that: the utility model provides a phase change heat-retaining formula uterus warming treasured utilizes the phase transition lamella to absorb the heat that PTC heating plate produced under the condition of being connected with external power supply after the phase transition lamella is abundant in energy storage, under the power-off state, the phase transition lamella can be through strengthening the heat-conducting layer with the heat transfer of storage to user's belly and carrying out the hot compress, wherein, the heat-retaining of the phase transition lamella that adopts is good for heat-emitting reproducibility, the phase transition temperature is slightly higher than human body temperature, heat-emitting lasting mild does not have the scald risk, can realize the cycle use of the phase transition heat-retaining formula uterus warming treasured that prepares, green, furtherly, the utility model discloses still cladding one deck aerogel adhesive tape layer on the surface of phase transition lamella, the thermal insulation performance of aerogel adhesive tape layer is splendid, is favorable to shortening the energy storage time of phase transition lamella, prolongs the heat-emitting time of phase transition, additionally, the utility model discloses well phase transition heat-retaining formula uterus warming is precious simple structure, easily carries, and convenience of customers uses.
Drawings
Fig. 1 is a schematic view of an appearance structure of the preferred embodiment of the phase change heat storage type uterus warmer of the present invention.
Fig. 2 is a schematic structural diagram of a preferred embodiment of a cross section of a middle phase-change heat storage device according to the present invention.
Detailed Description
The utility model provides a phase transition heat-retaining formula uterus warming is precious, for making the utility model discloses a purpose, technical scheme and effect are clearer, more clear and definite, it is following right the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Please refer to fig. 1 and fig. 2, wherein, fig. 1 is a schematic structural diagram of a preferred embodiment of a phase change heat storage type womb warmer, fig. 2 is a schematic structural diagram of a preferred embodiment of a cross section of a phase change heat storage device of the present invention, as shown in the figure, the phase change heat storage type womb warmer comprises a belt 1 and a phase change heat storage device 2 disposed at one end of the belt 1, wherein the phase change heat storage device 2 comprises an aerogel heat preservation layer 21 having an inwards concave cavity structure, a phase change sheet layer 22, a PTC heat generating sheet 23 and a reinforced heat conducting layer 24 are sequentially disposed inside and outside the cavity of the aerogel heat preservation layer 21, one end of the PTC heat generating sheet 23 is provided with a charging interface 231, and the charging interface 231 is used for being connected with an external power supply to enable the PTC heat generating sheet 23 to be powered on and generate heat.
In this embodiment, the effect of warming the uterus is mainly achieved by carrying out hot compress by using the heat provided by the phase-change heat storage device 2, wherein the phase-change heat storage device 2 comprises an aerogel heat-insulating layer 21, a phase-change sheet layer 22, a PTC heating sheet 23 and an enhanced heat-conducting layer 24, the PTC heating sheet 23 is located between the phase-change sheet layer 22 and the enhanced heat-conducting layer 24, when the PTC heating sheet 23 is connected with an external power supply, the PTC heating sheet 23 immediately starts to heat, the phase-change sheet layer 22 stores the heat generated by the PTC heating sheet 23, because the aerogel heat-insulating layer 21 is of a cavity structure with an indent, the phase-change sheet layer 22, the PTC heating sheet 23 and the interlayer structure formed by the enhanced heat-conducting layer 24 are located in the indent cavity of the aerogel heat-insulating layer 21, one side of the phase-change sheet layer 22 is in contact with the PTC, and the rest sides are in contact with the aerogel heat, phase change lamella 22 is in the heat loss of energy storage in-process, works as after the abundant energy storage of phase change lamella 22, need not put through portable power source, the heat of storing can slowly release in the phase change lamella 22, through strengthen heat-conducting layer 24 and transmit to user's belly and carry out the hot compress, it is same phase change lamella 22 release energy in-process, the thermal-insulated layer of aerogel adhesive tape is as insulation material, can the heat release in-process that significantly reduces the heat loss that phase change lamella 22 produced for the heat is more in the aspect of the hot compress of utilizing user's belly.
In the embodiment, the phase-change sheet layer is used for absorbing heat generated by the PTC heating sheet under the condition of being connected with an external power supply, after the phase-change sheet layer stores energy fully, the heat released by the phase-change sheet layer is transferred to the abdomen of a consumer through the reinforced heat-conducting layer without switching on the power supply, so that the effect of continuous heat release in a power-off state is realized.
In addition, in this embodiment, the aerogel proof fabric warm-keeping layer, the phase change sheet layer and the enhanced heat conduction layer are made of flexible materials, and have certain tensile strength and bending strength.
In some embodiments, a groove is formed in one side of the phase-change sheet layer, which is in contact with the reinforced heat-conducting layer, and the PTC heating sheet is fixedly arranged in the groove of the phase-change sheet layer. In the embodiment, a groove is arranged on one side of the phase change sheet layer, the PTC heating sheet is arranged in the groove, in the process of storing energy in the phase change sheet layer, the heat emitted by the PTC heating sheet is favorably absorbed, meanwhile, the heat loss caused by the heat transfer of the PTC heating sheet to the external environment in the heating process is reduced, the heat generated by the PTC heating sheets is directly absorbed by the adjacent phase change sheet layers and the reinforced heat conducting layer, and in the process of heat release of the phase change sheet layer, part of the phase change sheet layer is directly contacted with the enhanced heat conducting layer, which is beneficial to rapidly transferring heat to the enhanced heat conducting layer in a short time, the heat is not completely transferred to the PTC heating sheet by the phase change sheet layer, and then is transferred to the reinforced heat conduction layer by the PTC heating sheet.
In some embodiments, the aerogel blanket insulation layer is formed by compounding silica aerogel and flexible fibers. In this embodiment, a silica aerogel and flexible fiber composite manner is adopted to prepare the aerogel adhesive tape thermal insulation layer, the prepared aerogel adhesive tape thermal insulation layer has excellent thermal insulation performance, the thermal conductivity is less than or equal to 0.025W/m.k, and the heat loss of the phase change sheet layer in the heating process can be greatly reduced.
Further, in some embodiments, the phase change sheet layer is formed by compounding an organic phase change material and an elastomer resin, wherein the organic phase change material is one or more of paraffin, fatty acid, fatty alcohol and polyol. In the embodiment, the phase change sheet layer prepared by compounding the organic phase change material and the elastic numerical value has good flexibility, the phase change temperature of the phase change sheet layer is slightly higher than the body temperature of a human body, the phase change sheet layer has a higher phase change enthalpy value, the heat release durability is mild, and no scalding risk exists. Preferably, the thickness of the phase change sheet layer is 0.5-3.0 mm.
In some embodiments, the heat and reinforcing layer is one of a graphite film, a graphene film, a carbon nanotube film, a copper foil or an aluminum foil. In the embodiment, the heat conduction layer is prepared from the high heat conduction material, so that the energy storage time of the phase change sheet layer during charging can be effectively shortened.
In some embodiments, fabric layers are further fixedly arranged on two sides of the phase-change heat storage device, and each fabric layer comprises an outer fabric layer attached to the aerogel heat-insulating layer and an inner fabric layer attached to the reinforced heat-conducting layer. In this embodiment, the laminating is in the outer cloth layer of the cold-proof layer laminating of aerogel adhesive tape makes the phase transition heat-retaining device who prepares have better heat preservation function, simultaneously, with the interior cloth layer of strengthening the heat-conducting layer laminating avoid consumer's skin direct with strengthen the heat-conducting layer contact, avoided being scalded in the use to realize good hot compress effect.
In some embodiments, the PTC heat generating sheet is a PTC resistor for overheat protection. In the embodiment, the PTC heating sheet can realize the function of overheat disconnection in the energy storage process, and the protection temperature is 5-15 ℃ higher than the phase change temperature.
The present invention is further illustrated by the following specific examples:
example 1
The aerogel rubberized fabric warm-keeping layer is formed by compounding silicon dioxide aerogel and flexible fibers, the heat conductivity coefficient is 0.022W/m.k, and the thickness is 3.5 mm; the phase change sheet layer is formed by compounding a paraffin organic phase change material and elastomer resin, the phase change temperature is 44 ℃, the thickness is 2.0mm, and the phase change enthalpy value is 152J/g; the heat conduction strengthening layer is a graphite film with the thickness of 50 mu m; the PTC heating sheet adopts a PTC resistor for overheat protection, the protection temperature is 50 ℃, and the PTC heating sheet is connected with a charging interface and can be used for heating the PTC heating sheet by connecting a conducting wire with a power supply.
Embed the PTC heating piece in the recess of phase transition lamella one side, the degree of depth of recess is unanimous with the thickness of PTC heating piece, simultaneously, in order to reduce seam crossing thermal resistance, adopt the high heat conduction silicone grease of coefficient of heat conductivity more than 10W/m.k to joint a seam, afterwards, will strengthen the mode laminating of heat-conducting layer adoption two-sided gum on phase transition lamella and PTC heating piece, and inlay phase transition lamella, PTC heating piece and heat-conducting layer and fix in the cavity of the cold-proof layer of aerogel adhesive tape, furthermore, in order to realize better heat preservation effect, still laminated the outer cloth layer of one deck in the cold-proof layer outside of aerogel adhesive tape, simultaneously, still laminated the cloth layer in the one deck in the heat-conducting layer outside of strengthening, in order to realize good hot compress effect.
Example 2
The aerogel rubberized fabric warm-keeping layer is formed by compounding silicon dioxide aerogel and flexible fibers, the heat conductivity coefficient is 0.022W/m.k, and the thickness is 4.0 mm; the phase change sheet layer is formed by compounding a paraffin organic phase change material and elastomer resin, the phase change temperature is 44 ℃, the thickness is 2.5mm, and the phase change enthalpy value is 152J/g; the heat conduction strengthening layer adopts a copper foil with the thickness of 50 mu m; the PTC heating sheet adopts a PTC resistor for overheat protection, the protection temperature is 50 ℃, and the PTC heating sheet is connected with a charging interface and can be used for heating the PTC heating sheet by connecting a conducting wire with a power supply.
Embed the PTC heating piece in the recess of phase transition lamella one side, the degree of depth of recess is unanimous with the thickness of PTC heating piece, simultaneously, in order to reduce seam crossing thermal resistance, adopt the high heat conduction silicone grease of coefficient of heat conductivity more than 10W/m.k to joint a seam, afterwards, will strengthen the mode laminating of heat-conducting layer adoption two-sided gum on phase transition lamella and PTC heating piece, and inlay phase transition lamella, PTC heating piece and heat-conducting layer and fix in the cavity of the cold-proof layer of aerogel adhesive tape, furthermore, in order to realize better heat preservation effect, still laminated the outer cloth layer of one deck in the cold-proof layer outside of aerogel adhesive tape, simultaneously, still laminated the cloth layer in the one deck in the heat-conducting layer outside of strengthening, in order to realize good hot compress effect.
Further, the utility model discloses in, to the phase transition heat storage formula uterus warmer that embodiment 1 and embodiment 2 were prepared, simulate its charging heat-retaining time and the heat release time data under the outage state under service condition, wherein, the ambient temperature of heat-retaining test is 25 ℃, the ambient temperature of heat release test is 35 ℃, concrete data is as shown in the following table:
can discover through above-mentioned test result, the utility model discloses phase transition heat-retaining formula uterus warming treasured that prepares all has the heat-retaining time of charging shorter, and charge efficiency is high, and the heat release time is longer relatively, and is durable lastingly, and further the thickness of accessible increase the cold-proof layer of aerogel adhesive tape and the thickness of phase transition lamella effectively prolong the heat release time, and for the copper foil, the energy storage efficiency that charges of graphite film is higher.
To sum up, the utility model provides a phase transition heat-retaining formula uterus warming is precious, utilizes the phase transition lamella to absorb the heat that the PTC heating plate produced under the condition of being connected with external power supply, after the abundant energy storage of phase transition lamella, need not switch on the power supply but pass through the heat that the phase transition lamella discharged transmits the belly of consumer through strengthening the heat-conducting layer, can realize under the power-off state, the effect of continuous heat release, wherein, the heat-retaining of phase transition lamella that uses is good for heat release reproducibility, and the phase transition temperature is slightly higher than human body temperature, and heat release is lasting mild and no scald risk, can realize the cycle use of the phase transition heat-retaining formula uterus warming of preparing, green, furtherly, in this embodiment still cladding one deck aerogel adhesive tape heat preservation layer on the surface of phase transition lamella, aerogel adhesive tape heat preservation layer is as outer insulation material, and its thermal insulation performance is splendid in the heat-retaining and the heat release, greatly reduced the calorific loss of phase transition lamella is favorable to shortening the energy storage time of phase transition lamella prolongs the heat release time of phase transition lamella, in addition, the utility model discloses a phase transition heat-retaining formula uterus warming is precious simple structure easily carries, and convenience of customers uses.
It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (7)
1. The utility model provides a phase transition heat-retaining formula uterus warming is precious, its characterized in that is in including waistband and setting the phase transition heat-retaining device of waistband one end, phase transition heat-retaining device includes the cold-proof layer of the cavity structure's of an indent aerogel adhesive tape, phase transition lamella, PTC heating plate and the heat-conducting layer of reinforceing have set gradually from inside to outside in the cavity on the cold-proof layer of aerogel adhesive tape, the one end of PTC heating plate is provided with the interface that charges, the interface that charges is used for being connected with external power source and makes PTC heating plate circular telegram generates heat.
2. The phase-change heat storage type uterus warmer of claim 1, wherein a groove is formed in one side of the phase-change sheet layer, which is in contact with the heat-conducting enhancement layer, and the PTC heating sheet is fixedly arranged in the groove of the phase-change sheet layer.
3. The phase-change heat storage type uterus warmer of claim 1, wherein the thickness of the aerogel blanket thermal insulation layer is 1.0-5.0 mm.
4. The phase-change thermal storage type uterus warmer of claim 1, wherein the thickness of the phase-change sheet layer is 0.5-3.0 mm.
5. The phase-change heat storage type uterus warmer of claim 1, wherein the enhanced heat conducting layer is one of a graphite film, a graphene film, a carbon nanotube film, a copper foil or an aluminum foil.
6. The phase-change heat storage type uterus warmer of claim 1, wherein fabric layers are fixedly arranged on two sides of the phase-change heat storage device, and each fabric layer comprises an outer fabric layer attached to the aerogel heat-insulating layer and an inner fabric layer attached to the reinforced heat-conducting layer.
7. The phase-change heat storage type uterus warmer of claim 1, wherein the PTC heating sheet is a PTC resistor for overheat protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020244122.6U CN212699289U (en) | 2020-03-03 | 2020-03-03 | Phase-change heat storage type uterus warming device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020244122.6U CN212699289U (en) | 2020-03-03 | 2020-03-03 | Phase-change heat storage type uterus warming device |
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| CN212699289U true CN212699289U (en) | 2021-03-16 |
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| CN202020244122.6U Active CN212699289U (en) | 2020-03-03 | 2020-03-03 | Phase-change heat storage type uterus warming device |
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