CN210518866U - Graphene heating membrane assembly, heating article and bed warmer - Google Patents
Graphene heating membrane assembly, heating article and bed warmer Download PDFInfo
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- CN210518866U CN210518866U CN201921518426.0U CN201921518426U CN210518866U CN 210518866 U CN210518866 U CN 210518866U CN 201921518426 U CN201921518426 U CN 201921518426U CN 210518866 U CN210518866 U CN 210518866U
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Abstract
The utility model discloses a graphite alkene heating film subassembly, articles for use, warm bed are precious generates heat, this graphite alkene heating film subassembly includes the outer protective layer, outer insulating layer, electrode layer, the electrically conductive rete that generates heat of graphite alkene, far infrared reflection stratum, lining insulating layer and the lining protective layer that sets gradually from outside to inside. The graphene heating membrane component has excellent infrared reflection effect and saves more energy; heating articles (especially a bed warmer) based on the graphene heating membrane assembly have the advantages of good heating stability, high temperature rise speed, uniform heating and soft material, and can play a role in physical therapy such as blood circulation promotion, cell repair, disease prevention and the like.
Description
Technical Field
The utility model relates to a graphite alkene heating film subassembly and based on its articles for use that generate heat with single face far infrared radiation function.
Background
In cold winter, the body temperature of a human body is reduced when the human body enters a sleep state, and a constant-temperature, healthy and health-care sleep product is needed. Similar to the blanket that generates heat of warm bed treasured in the existing market mostly is the power supply of high pressure 220V, and the material that generates heat is heating wire, carbon fiber etc.. Whether based on power safety consideration or heating physiotherapy consideration, generally all there is the potential safety hazard. And the existing heating products are both double-sided heating, so that heat loss is serious, and the effects of safety, energy conservation and comfortable physiotherapy cannot be achieved.
Therefore, there is a need for a low-pressure, safe, practical, warm-keeping, and comfortable-to-experience health product.
SUMMERY OF THE UTILITY MODEL
For avoiding the problem that the product existed that generates heat in the tradition, the utility model aims to provide a graphite alkene heating film subassembly and the articles for use that generate heat based on it that low pressure work, dual fail safe's temperature control system, single face reflect far infrared ray, repeatedly usable and can evenly generate heat.
To realize the purpose of the utility model, the utility model adopts the following technical scheme:
the utility model discloses at first a graphite alkene heating film subassembly with single face far infrared radiation function, its characteristics lie in: the graphene heating film component with the single-side far infrared radiation function comprises an outer protection layer, an outer insulating layer, an electrode layer, a graphene conductive heating film layer, a far infrared reflecting layer, an inner insulating layer and an inner protection layer which are sequentially arranged from outside to inside; the electrode layer is in contact connection with the graphene conductive heating film layer.
In the existing market, no matter the flexible heating film based on graphene or other electric heating film products generally have double-sided heating, and the far infrared radiation of the inner side and the outer side of the product is not different when the product is electrified and heated, so that the heat loss is serious, and the ideal heating physiotherapy effect cannot be achieved. Based on the above problem, the utility model discloses suitable solution route has been found in the exploration: the far infrared reflection layer is arranged, and the single-side far infrared radiation function of the graphene heating film is achieved. The far infrared reflecting layer can be far infrared reflecting cloth or a far infrared reflecting film, and can also be a far infrared reflecting coating formed by coating a far infrared reflecting coating on one surface of the graphene conductive heating film layer, which is far away from the electrode layer, to form a film. Wherein, because of the problem of laminating, the effect of far infrared reflection coating is superior with far infrared reflection cloth and far infrared reflection membrane on the existing market.
The utility model discloses a graphite alkene heating film subassembly with single face far infrared radiation function has the universality, can be used to as the multiple heating parts that generate heat the articles for use. The heating articles comprise but not limited to a bed warmer, a heating throw pillow, a heating sleeping bag, a heating cushion, a heating tapestry, a heating waistband, a heating floor warmer, a heating uterus warmer, a heating hand warmer, a heating neck warmer, a heating foot warmer, a heating knee pad, a heating eye patch, a heating U-shaped pillow, a graphene heating light wave room, a heating medical physiotherapy blanket, a heating rhinitis warmer, a heating pharyngitis warmer, a heating stomach warmer and the like.
The utility model also discloses a warm bed is precious with single face far infrared radiation function, its characteristics lie in: the graphene heating film component with the single-side far infrared radiation function and the temperature control component are arranged on the bed warmer body; the graphene heating film component is fixed in an interlayer inside the bed warmer body; the temperature control assembly is connected with the electrode layer of the graphene heating membrane assembly through a lead.
Furthermore, the bed warmer body comprises an upper layer sheet body, a heat dissipation cotton layer, an upper cloth supporting layer, a lower cloth supporting layer, a heat insulation cotton layer and a bottom layer sheet body; the graphene heating membrane assembly is fixed in the interlayer between the upper and lower cloth supporting layers.
Further, the temperature control component comprises a line control switch, an NTC temperature sensor, a mechanical temperature limiter and a DC joint;
the NTC temperature sensor is fixed on the graphene heating membrane assembly and used for collecting the temperature on the graphene heating membrane assembly; the NTC temperature sensor is connected with the line control switch through a wire, and the line control switch controls the heating state of the graphene heating membrane component in real time according to the temperature acquired by the NTC temperature sensor;
the mechanical temperature limiter is fixed on the graphene heating membrane assembly, is connected with an electrode layer of the graphene heating membrane assembly in series through a lead and then is connected with the line control switch through a lead, and the line control switch is connected with the DC connector through a lead.
Further, the number of the graphene heating film assemblies packaged in the warming bed body is 1, or a plurality of graphene heating film assemblies are arranged at required positions.
The beneficial effects of the utility model are embodied in:
the graphene heating film component with the single-side far infrared radiation function has the beneficial effects that:
1. the utility model discloses graphite alkene heating film subassembly with single face far infrared radiation function compares with current electrical heating membrane commonly used, except that generate heat evenly stably, outside radiation far infrared meets most behind the far infrared reflection stratum and is reflected back for the heat outwards scatters and disappears and reduce greatly, and the heat of internal radiation then is fully absorbed by the human body, has reached single face far infrared radiation's function. The utility model discloses a this kind of electric heat membrane can reach the physiotherapy effect that generates heat equally under less power, has advantages such as energy-conservation, physiotherapy effect increase.
Secondly, have the beneficial effect of warm bed treasured of single face far infrared radiation function:
1. the utility model discloses a warm bed treasured has adopted the flexible graphite alkene electric heat membrane that has single face far infrared radiation function for the first time, operating condition's graphite alkene membrane piece can launch the life light wave of far infrared 6-14 mu m, this wave band is the natural life light wave that is closest to the human body, very strong infiltration has, can go deep into skin and subcutaneous tissue, arouse the cell resonance at effect position, play promotion blood circulation then, restore the cell, physiotherapy functions such as prevention disease, have good antiphlogosis simultaneously, alleviate pain, the health preserving, antibiotic, health care effects such as antibacterial, and the product is frivolous, and is pleasing to the eye.
2. The utility model discloses a warm bed is precious, the inside far infrared reflection stratum of used graphite alkene heating film subassembly makes the far infrared ray that graphite alkene sent have the directionality, has energy-conserving and increase physiotherapy effect's characteristics.
3. The utility model discloses a warm bed is precious, adopts the membrane module encapsulation of cloth system ization, and reduction by a wide margin the foreign matter of graphite alkene heating membrane subassembly is felt, can direct sewing walk the line, and anti buckling, water-fast washing have increased the wholeness of product, more are fit for extensive sewing production.
4. The utility model discloses a warm bed is precious, uses the human 24V power supply that is far less than the safe voltage upper limit, generates heat through graphite alkene body direct work, combines far-infrared reflection stratum and temperature control component, makes this product have that factor of safety is high, the energy consumption is low, the accuse temperature is accurate, generate heat advantage such as even, the physiotherapy is effectual. Compared with the traditional electric blanket, the electric blanket avoids the risks of high voltage, high temperature, electric injury and scalding from the source.
5. The utility model discloses a warm bed is precious, to the human long-time heat preservation hot compress effect that falls asleep at night, can alleviate human fatigue, restore human cells, in addition the utility model discloses a warm bed is precious still has the stability of generating heat good, the temperature rise is fast, generate heat even, the soft advantage of material.
Drawings
Fig. 1 is a schematic view of the split of the graphene heating film assembly with single-side far infrared radiation function of the present invention.
FIG. 2 is a schematic view of the overall structure of the bed warmer of the present invention;
FIG. 3 is a longitudinal sectional view of the bed warmer of the present invention;
fig. 4 is a schematic connection diagram of the bed warmer temperature control assembly and the graphene heating membrane assembly of the present invention;
reference numbers in the figures: 1 a graphene heating membrane assembly; 11 an outer protective layer; 12 an outer insulating layer; 13 an electrode layer; 14, a graphene conductive heating film layer; 15 a far infrared reflecting layer; 16 an insulating layer; 17, a protective layer; 2, a warming bed body; 21 an upper sheet; 22 a heat-dissipating cotton layer; 23, mounting a cloth supporting layer; 24, laying a mop layer; 25 heat insulation cotton layer; 26 a bottom sheet; 3, a temperature control component; 31 a line control switch; a 32NTC temperature sensor; 33 a mechanical temperature limiter; 34 a DC connector; 35 wire holder.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are implemented on the premise of the technical solution of the present invention, and the detailed embodiments and the specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1, the graphene heating film assembly 1 with single-sided far infrared radiation function comprises an outer protection layer 11, an outer insulation layer 12, an electrode layer 13, a graphene conductive heating film layer 14, a far infrared reflection layer 15, an inner insulation layer 16 and an inner protection layer 17 which are sequentially arranged from outside to inside; wherein, the electrode layer 13 is connected with the graphene conductive heating film layer 14 in a contact manner.
In the specific implementation: the outer protective layer and the inner protective layer can be made of any one of cotton cloth, chemical fiber cloth, polyester fiber cloth, blended cloth, nylon cloth, leather and flannelette; the outer insulating layer and the inner insulating layer are made of insulating glue films.
Specifically, in this embodiment, the outer protective layer 11 and the inner protective layer 17 are made of waterproof thin chemical fabric, and the outer insulating layer 12 and the inner insulating layer 16 are made of insulating adhesive films. The graphene heating film component packaged by the waterproof light and thin fabric can be used for packaging the film component to realize cloth making, greatly reduces the foreign body sensation of the film component, enhances the integrity of a product, and can resist washing for many times and arbitrary kneading and bending. Compare better the insulating security performance who has promoted the product with ordinary surface fabric, the good graphite alkene heating film subassembly of encapsulation can direct action walk the line in the sewing simultaneously, and simple process is fit for the volume production, can be better assemble among all kinds of textile products.
In the specific implementation: the material of the electrode layer can be any one of metal foil, conductive cloth, conductive adhesive tape, conductive wire and conductive slurry. In the embodiment, the copper foil is adopted to form the electrode through an etching process, and the electrode is fixed on the heating film through pasting and hot pressing.
In specific implementation, the electrode layer comprises a positive electrode and a negative electrode, and the specific shape and structure of the electrodes can be set arbitrarily as required. The interdigital electrode structure in the embodiment: each electrode comprises a collector bar and a plurality of inner electrode bars which are vertical to the collector bar, the inner electrode bars are arranged on the inner side of the collector bar and are distributed at equal intervals, and the inner electrodes of the positive electrode and the negative electrode are distributed in a crossed mode at equal intervals to form an interdigital electrode structure. The current collecting bars of the two electrodes are respectively connected with the positive electrode and the negative electrode of the power supply, so that the adjacent inner electrode bars have opposite polarities. The interdigital electrode structure can make the heating of the conductive heating film layer of the graphene more uniform.
In specific implementation, the graphene conductive heating film layer includes a heating film which adopts graphene alone as a functional material, and also includes a heating film which adopts graphene mixed with other functional materials (such as silver nanowires). The graphene heating film used in the embodiment is a graphene silver nanowire composite flexible heating film of combined fertilizer microcrystal material science and technology limited company, and can be purchased in the market.
In specific implementation, the far infrared reflecting layer can be far infrared reflecting cloth or a far infrared reflecting film, and can also be a far infrared reflecting coating formed by coating a far infrared reflecting coating on one surface of the graphene conductive heating film layer, which is far away from the electrode layer, to form a film. Wherein, due to the sticking problem, far-redThe effect of the outer reflective coating is optimal. The far infrared reflective coating can be commercially available mainstream far infrared reflective coating, such as far infrared reflective coating (model number WO3-NQ12A-H2O) of Shanghai Zhengnzhen NTechni Co., Ltd. The far infrared reflective coating is preferably produced by combined fertilizer microcrystalline material science and technology limited, has better adhesion with the graphene conductive heating film layer and better reflection effect on the 6-14 mu m far infrared generated by the graphene heating film, and has the following formula system: ITO (in (Sn)2O3) 5-20 parts of silicon dioxide, 1-10 parts of aluminum oxide, 20-28 parts of titanium dioxide, 5-20 parts of acrylic resin, 5-10 parts of polyurethane-polyacrylic acid composite emulsion and 80-300 parts of solvent.
The graphene heating membrane component of the embodiment has a good function of single-side far-red radiation. When the graphite alkene heating film subassembly of this embodiment outwards radiates far infrared, meet far infrared reflection coating after, the overwhelming majority is reflected back for the heat outwards scatters and disappears and reduces greatly, has advantages such as energy-conservation, physiotherapy effect increase.
As shown in fig. 2, 3 and 4, the bed warmer with the single-sided far infrared radiation function includes a bed warmer body 2, the graphene heating membrane module 1 with the single-sided far infrared radiation function obtained in example 1, and a temperature control module 3;
wherein, the bed warmer body 2 comprises an upper sheet body 21, a heat radiation cotton layer 22, an upper cloth supporting layer 23, a lower cloth supporting layer 24, a heat insulation cotton layer 25 and a bottom sheet body 26; the graphene heating membrane module 1 is fixed in the interlayer between the upper and lower cloth supporting layers 23 and 24.
The temperature control assembly 3 comprises a line control switch 31, an NTC temperature sensor 32, a mechanical temperature limiter 33 and a DC joint 34;
the NTC temperature sensor 32 is used for collecting the temperature on the graphene heating film assembly 1, and the NTC temperature sensor 32 can be fixed on the graphene heating film assembly 1; the NTC temperature sensor 32 is connected with the line control switch 31 through a wire, and the line control switch 31 controls the heating state of the graphene heating membrane component in real time according to the temperature collected by the NTC temperature sensor 32; the mechanical temperature limiter 33 is installed on the graphene heating membrane module 1, and is connected in series with the electrode layer 13 of the graphene heating membrane module 1 through a wire, and then is connected with the line control switch 31 through a wire, and the line control switch 31 is connected with the DC connector 34 through a wire.
Temperature detect switch and DC connect and all be located outside the warm bed treasured body. The DC connector is externally connected with a power supply (for residential use) through a power converter, so that the graphene conductive heating film layer is supplied with power to heat the graphene conductive heating film layer. The power converter can convert the mains power to a voltage required by the bed warmer, for example, a 24V dc voltage.
The graphene heating film component can be one arranged according to the requirement or a plurality of the graphene heating film components arranged at intervals. If the number of the heating film components is multiple, the heating film components can be supplied with power in a series and parallel combination mode, and the condition that the whole bed warming blanket cannot be used due to local damage of the one-piece heating film components can be avoided. Meanwhile, the arrangement of the plurality of graphene heating membrane assemblies can also realize local heating, such as arrangement corresponding to acupuncture points of each part of a human body. Specifically, this embodiment evenly is provided with 6 graphite alkene heating membrane subassemblies in this internal warm bed treasure, and wherein three, three series connection form two sets ofly, and two sets of parallelly connected connection is again on temperature detect switch.
When the number of the graphene heating membrane assemblies is multiple, each graphene heating membrane assembly is connected with a mechanical temperature limiter in series. One or more NTC temperature sensors can be arranged on one graphene heating membrane component.
The wire-controlled switch can set a plurality of temperature gears and timing gears according to requirements. In combination with the usage requirements of the bed warmer, the linear control switch in this embodiment sets three temperature control gears of high temperature (50 ℃) -medium temperature (43 ℃) -low temperature (38 ℃) and timing gear positions of 1h-2h-12 h. The temperature gear and the timing gear can be set in a combined mode, if the timing gear of a user is selected to be 12h in the use of the high-temperature gear, the system can be switched to the medium-temperature gear to execute the rest 10h after defaulting for 2h, the safety of the product can be improved through the setting, the risks of fire, sweat dehydration and the like caused by continuous high-temperature heating after the user enters the sleep are avoided, and the comfort and the safety of user experience are improved.
The temperature control of the wire control switch plays a crucial role in ensuring the safety of the bed warmer. The utility model discloses a temperature control system contains NTC accuse temperature and two parts of mechanical temperature limiter.
The NTC temperature control detects the temperature of the heating film through an NTC temperature sensor and feeds the temperature back to the line control switch, and the line control switch can accurately control the temperature of the heating film block by regulating and controlling the duty ratio of the switch (such as 8s power-on and 2s power-off) according to the gear selection of a user. If the probe of the NTC temperature sensor is broken and damaged, the system can be automatically powered off for protection.
Except for the NTC temperature control system, each heating membrane block is connected with a mechanical temperature limiter in series, the upper temperature limit value of the mechanical temperature limiter is set to 55 ℃, and the mechanical temperature limiter has the following effects: when the NTC system became invalid, the mechanical temperature limiter just played the effect of fuse, can directly cut off circuit, and the drive-by-wire switch also can auto-power-off, avoids the user to have the scald risk. Therefore, the NTC is matched with the mechanical temperature limiter for use, the double-insurance effect is achieved, and the use safety of a user is fully ensured. And the mechanical temperature limiter can be repeatedly used.
Specifically, the NTC temperature sensor, the line control switch and the mechanical temperature limiter are commercially available products, such as: NTC temperature sensor (model 10K) of Shenzhen Kedi electronics Limited; drive-by-wire switch (model ZLM515) of the bright electronic technology ltd in east guan; a mechanical temperature limiter (model TB02-BB8D) of Shenzhen Xingtian assist science and technology Limited in Shenzhen.
Specifically, the graphene heating membrane assembly can be sewn and fixed between the upper cloth supporting layer and the lower cloth supporting layer through a sewing process; or a glue coating layer is arranged on the surface of at least one of the upper and lower cloth supporting layers, and the graphene heating film assembly is bonded between the upper and lower cloth supporting layers through the glue coating. In the embodiment, the glue coating and bonding mode is adopted, and the processing is more convenient.
Specifically, all layers of the bed warmer body are sewn together through a sewing process.
Specifically, an NTC temperature sensor and a mechanical temperature limiter in the temperature control assembly are adhered to an outer protection layer of the graphene heating membrane assembly.
In specific implementation, a wire fixer 35 may be further provided, for fixing wires led out from the NTC temperature sensor and the electrode layer of the graphene heating film assembly in series with the mechanical temperature limiter at the edge of the heating blanket body, and sealing and connecting the wires with an external wire. The wire fixer does not have an electrical connection relation with each component and is only used for fixing the wire.
Specifically, in the warm bed treasured: the upper layer sheet and the bottom layer sheet can be any one of textiles such as genuine leather, imitation leather, microfiber, cashmere, wool, silk, lycra cloth, cotton cloth, linen, imitation silk, flannelette, glasses cloth, bamboo sheet, bamboo filament, wood sheet and wood filament; the heat dissipation cotton layer and the heat insulation cotton layer are made of any one of cotton, silk floss, spray cotton, memory cotton, heat insulation cotton/latex and other various cotton products and latex products; the upper and lower cloth supporting layers can be any one of woven cloth, non-woven cloth, chemical fiber cloth, TC cloth, cotton cloth, rubber-coated polar fleece cloth, rubber-coated cotton and rubber-coated cloth.
Specifically, in this embodiment: the upper layer sheet body and the bottom layer sheet body are made of chemical fiber flannelette, and have the advantages of lightness, thinness, softness, skin friendliness, air permeability and the like; the heat dissipation cotton layer adopts environment-friendly silk cotton, and has the characteristics of quick heat dissipation, softness, rubbing resistance, high temperature resistance, air permeability and the like; the heat insulation cotton layer is made of environment-friendly heat insulation cotton and has the characteristics of heat resistance, high temperature resistance, rubbing resistance, strong tension and the like; the upper cloth supporting layer and the lower cloth supporting layer are made of glue-coated waterproof chemical fiber fabric and have the characteristics of water resistance, moisture resistance, air permeability, softness and the like.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (8)
1. A graphite alkene heating membrane module which characterized in that: the graphene heating membrane component (1) with the single-sided far infrared radiation function comprises an outer protection layer (11), an outer insulating layer (12), an electrode layer (13), a graphene conductive heating membrane layer (14), a far infrared reflecting layer (15), an inner insulating layer (16) and an inner protection layer (17) which are sequentially arranged from outside to inside; the electrode layer (13) is in contact connection with the graphene conductive heating film layer (14).
2. The graphene heating membrane assembly of claim 1, wherein: the far infrared reflecting layer (15) is far infrared reflecting cloth, a far infrared reflecting film or a far infrared reflecting coating.
3. A heating article, characterized in that: the heating component of the heating article adopts the graphene heating membrane component with the single-side far infrared radiation function as claimed in any one of claims 1-2.
4. The heating article according to claim 3, wherein: the heating article is a bed warmer, a heating throw pillow, a heating sleeping bag, a heating cushion, a heating tapestry, a heating waistband, a heating floor warmer, a heating uterus warmer, a heating hand warmer, a heating neck warmer, a heating foot warmer, a heating knee pad, a heating eye patch, a heating U-shaped pillow, a graphene heating light wave room, a heating medical physiotherapy blanket, a heating rhinitis warmer, a heating pharyngitis warmer or a heating stomach warmer.
5. The utility model provides a warm bed is precious which characterized in that: the single-sided far infrared radiation type electric heating bed comprises a bed warmer body (2), the graphene heating membrane assembly (1) with the single-sided far infrared radiation function and a temperature control assembly (3), wherein the graphene heating membrane assembly is as claimed in any one of claims 1-2;
the graphene heating membrane assembly (1) is packaged in an interlayer inside the bed warmer body (2); the temperature control assembly (3) is connected with an electrode layer (13) of the graphene heating membrane assembly (1) through a lead.
6. The warming bed apparatus of claim 5, wherein: the bed warmer body (2) comprises an upper layer sheet body (21), a heat dissipation cotton layer (22), an upper cloth supporting layer (23), a lower cloth supporting layer (24), a heat insulation cotton layer (25) and a bottom layer sheet body (26);
the graphene heating membrane assembly (1) is fixed in an interlayer between the upper supporting cloth layer (23) and the lower supporting cloth layer (24).
7. The warming bed apparatus of claim 5, wherein: the temperature control component (3) comprises a line control switch (31), an NTC temperature sensor (32), a mechanical temperature limiter (33) and a DC joint (34);
the NTC temperature sensor (32) is used for collecting the temperature on the graphene heating membrane assembly (1);
the NTC temperature sensor (32) is connected with the line control switch (31) through a wire; the drive-by-wire switch (31) controls the heating state of the graphene heating membrane component according to the temperature collected by the NTC temperature sensor (32);
the mechanical temperature limiter (33) is installed on the graphene heating membrane assembly (1), is connected with an electrode layer (13) of the graphene heating membrane assembly (1) in series through a lead and then is connected with the drive-by-wire switch (31) through a lead; the drive-by-wire switch (31) is connected with the DC connector (34) through a lead.
8. The warming bed apparatus of claim 5, wherein: the number of the graphene heating membrane assemblies (1) packaged in the warming bed body (2) is 1 or more.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110475396A (en) * | 2019-09-12 | 2019-11-19 | 合肥微晶材料科技有限公司 | A kind of graphene fever membrane module with single side function far infrared radiation function and the warm bed treasured based on it |
| CN112911741A (en) * | 2021-01-18 | 2021-06-04 | 安徽宇航派蒙健康科技股份有限公司 | Preparation method of flexible graphene electrothermal film |
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2019
- 2019-09-12 CN CN201921518426.0U patent/CN210518866U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110475396A (en) * | 2019-09-12 | 2019-11-19 | 合肥微晶材料科技有限公司 | A kind of graphene fever membrane module with single side function far infrared radiation function and the warm bed treasured based on it |
| CN110475396B (en) * | 2019-09-12 | 2024-03-26 | 合肥微晶材料科技有限公司 | Graphene heating film component with single-sided far infrared radiation function and warmer based on same |
| CN112911741A (en) * | 2021-01-18 | 2021-06-04 | 安徽宇航派蒙健康科技股份有限公司 | Preparation method of flexible graphene electrothermal film |
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