CN217088192U

CN217088192U - Graphene heating module, heating device and energy room

Info

Publication number: CN217088192U
Application number: CN202122870510.2U
Authority: CN
Inventors: 阳铭
Original assignee: Shenzhen Allheat Technology Co ltd
Current assignee: Shenzhen Allheat Technology Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-07-29
Anticipated expiration: 2031-11-22

Abstract

The utility model discloses a graphite alkene module that generates heat, include: at least one graphene heating membrane; the heat dissipation substrate is attached to one surface of the graphene heating membrane; the fixing piece is used for fixing the graphene heating membrane on the heat dissipation substrate; the graphene heating film comprises a single-layer graphene film, an electrode and two insulating films, wherein the electrode and the two insulating films are arranged on one surface of the graphene film, and the graphene film and the electrode are clamped between the two insulating films. The utility model discloses among the technical scheme, graphite alkene diaphragm laminating that generates heat is on the heat dissipation base plate, and the heat that produces when graphite diaphragm that generates heat can transmit for the heat dissipation base plate via the insulating film, so, can not produce heat collection on the insulating film, guarantees the life that graphite alkene diaphragm that generates heat. Furthermore, the utility model discloses still disclose a device and energy room generate heat.

Description

Graphene heating module, heating device and energy room

Technical Field

The utility model relates to a physiotherapy articles for use technical field, in particular to graphite alkene module, the device and the energy room that generate heat.

Background

The graphene is sp ² The hybridized and connected carbon atoms are tightly packed into a new material with a single-layer two-dimensional honeycomb lattice structure, the heat conduction performance is very good, and the total conversion rate of effective electric energy is up to more than 99%.

The graphene heating film needs to be electrified to generate heat, and under the condition that electrodes at two ends of the graphene heating film are electrified, carbon atoms in the electrothermal film generate phonons, ions and electrons in the resistor, and heat energy is generated by mutual friction and collision (also called Brownian motion) between generated carbon atom groups.

At present, a plurality of far infrared physiotherapy products applying the graphene heating film are available on the market, and the effectiveness of utilizing far infrared rays to carry out human body rehabilitation physiotherapy is a consensus of the scientific community. However, it is important to prepare a far infrared physiotherapy product closer to the far infrared wavelength of the human body for human body physiotherapy, and it is also important to make the far infrared physiotherapy product exert its efficacy as much as possible, as well as to improve the safety in use and life of the far infrared physiotherapy product.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a graphite alkene module that generates heat aims at providing one kind and is close the physiotherapy product with human far infrared wavelength to make far infrared physiotherapy product performance its efficiency as far as possible and promote far infrared physiotherapy product's safety in utilization and life-span.

In order to achieve the above object, the utility model provides a graphite alkene module that generates heat, graphite alkene module that generates heat includes:

at least one graphene heating membrane;

the heat dissipation substrate is attached to one surface of the graphene heating membrane; and the number of the first and second groups,

the fixing piece is used for fixing the graphene heating membrane on the heat dissipation substrate;

the graphene heating film comprises a single-layer graphene film, an electrode and two insulating films, wherein the electrode and the two insulating films are arranged on one surface of the graphene film, and the graphene film and the electrode are clamped between the two insulating films.

In some embodiments, the fixing member is a first insulating thermal conductive adhesive, and the first insulating thermal conductive adhesive is coated between the insulating film and the heat dissipation substrate.

In some embodiments, the heat-dissipating substrate is an aluminum plate; and/or the presence of a gas in the gas,

the insulating film is a transparent polymer film, and the material of the insulating film is polyethylene terephthalate, polyvinyl chloride, polyethylene, polycarbonate, polymethyl methacrylate, polyvinylidene fluoride or a composition of two or more of the above.

In some embodiments, the graphene heating module further includes a second insulating and heat-conducting adhesive, the second insulating and heat-conducting adhesive is coated on the peripheral side edge of the graphene heating membrane, and the second insulating and heat-conducting adhesive enables the graphene membrane to be insulated and isolated from the outside.

In some embodiments, the electrodes comprise a first bus bar and a second bus bar, the first bus bar being disposed parallel to the second bus bar;

a first internal electrode is arranged on the first bus bar, one end of the first internal electrode is connected with the first bus bar, and the other end of the first internal electrode extends towards the second bus bar;

the second bus bar is provided with two spaced second internal electrodes, the two second internal electrodes are positioned on two sides of the first internal electrode, one end of each second internal electrode is connected with the second bus bar, and the other end of each second internal electrode extends towards the first bus bar.

In some embodiments, the number of the graphene heating films is two, the two graphene heating films are arranged on the heat dissipation substrate at intervals, and the two graphene heating films are electrically connected through a wire.

In some embodiments, each of the graphene heating membranes is electrically connected to a connecting member, and one end of each of the wires is electrically connected to one connecting member and the other end of each of the wires is electrically connected to the other connecting member.

In some embodiments, the connector is a rivet, and an outer surface of the rivet is coated with an insulating paste.

In some embodiments, the heat dissipating substrate has a thickness of 0.5 to 1.5 millimeters; and/or

The width of the graphene heating film is 10-15 cm; and/or

The length of the graphene heating membrane is 25 cm to 30 cm.

The utility model also provides a device generates heat, this device generates heat includes power and graphite alkene module of generating heat, the power with graphite alkene diaphragm electricity that generates heat is connected.

The utility model discloses further provide an energy room, this energy room include energy room body and the device that generates heat, the device that generates heat is located energy room is originally internal.

At present, a plurality of devices using graphene materials as heating elements are insufficient in technical capability, and most of the devices are formed by pressing graphene powder and other carrier materials in a manner of referring to a carbon fiber plate or by coating graphene slurry and then drying, and the products are black or black brown. The graphene powder and the graphene slurry are not pure graphene, and a functional group with a hydrogen atom or an oxygen atom is connected to a carbon atom, so that the heating power of the graphene powder is equivalent to or lower than that of the existing carbon fiber plate heating element. The utility model provides a graphite alkene membrane that generates heat of diaphragm is individual layer graphite alkene membrane, and the far infrared that generates heat after its circular telegram extremely coincide with human far infrared wavelength, can produce with the human body with same frequency resonance's effect, thereby make the better absorption infrared energy of human body reach the physiotherapy or the medical effect that promote the activity of body temperature, promotion human cell.

Meanwhile, when the graphene film generates heat, the insulating film attached to the graphene film generates heat aggregation, and the graphene film is easy to age after long-term use, so that the use effect and the service life of the graphene heating film are affected. Therefore, the utility model discloses technical scheme generates heat the laminating of diaphragm with graphite alkene on the radiating basal plate, and the heat that produces when the graphite alkene membrane generates heat can transmit for the radiating basal plate via the insulating film, so, can not produce heat collection on the insulating film, has guaranteed the stability of the effect of graphite alkene diaphragm that generates heat and the life of graphite alkene diaphragm that generates heat.

Drawings

Fig. 1 is a schematic structural diagram of a graphene heating module according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of the graphene heating module in the embodiment of fig. 1;

fig. 3 is an exploded schematic view of the graphene heating membrane in the embodiment of fig. 2;

FIG. 4 is a schematic structural diagram of the fixing member and the second insulating thermal conductive adhesive in the embodiment of FIG. 2;

fig. 5 is a schematic structural diagram of the electrode in the embodiment of fig. 2.

Fig. 6 is a raman spectrum of a graphene membrane in an embodiment of the present invention;

fig. 7 is a graph of relative radiation energy spectrum between the graphene film and the human body in the embodiment of the present invention.

Description of the reference numerals

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

It will also be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-3, fig. 1 is a schematic structural diagram of a graphene heating module according to an embodiment of the present invention, fig. 2 is a schematic structural diagram of an explosion structure of the graphene heating module according to the embodiment of fig. 1, and fig. 3 is a schematic structural diagram of an explosion structure of a graphene film according to the embodiment of fig. 2.

In some embodiments, the utility model provides a graphite alkene module of generating heat, include:

at least one graphene heating membrane 10;

the heat dissipation substrate 20 is attached to one surface of the graphene heating membrane 10; and the number of the first and second groups,

the fixing member 30 fixes the graphene heating film 10 on the heat dissipation substrate 20;

the graphene heating film 10 includes a single-layer graphene film 11, an electrode 12, and two insulating films 13, and the graphene film 11 and the electrode 12 are sandwiched between the two insulating films 13.

In this embodiment, the graphene heating film 10 is attached to the heat dissipation substrate 20, and conducts heat to the heat dissipation substrate 20 in a heat conduction manner. The larger the contact area between the graphene heating film 10 and the heat dissipation substrate 20 is, the larger the heat exchanged between the graphene heating film 10 and the heat dissipation substrate 20 is, and the heat on the insulating film 13 can be more rapidly conducted to the heat dissipation substrate 20.

The material of the insulating film 13 may be a transparent polymer film, and includes, but is not limited to, polyethylene terephthalate (PET), polyvinyl chloride (PVC), Polyethylene (PE), Polycarbonate (PC), polymethyl methacrylate (PMMA), polyvinylidene fluoride (PVDF), or a combination of two or more of the foregoing.

Preferably, the surface area of the heat dissipation substrate 20 proposed in the present embodiment is greater than or equal to the surface area of the graphene heating film 10, that is, the surface area of the insulating film 13, so that the insulating film 13 is in full contact with the heat dissipation substrate 20, thereby ensuring that the heat on the insulating film 13 can be rapidly transferred to the heat dissipation substrate 20 by means of heat conduction.

The heat dissipation substrate 20 not only plays a role in dissipating heat, but also plays a role in supporting the graphene heating film 10. The heat dissipating substrate 20 is made of a material with excellent heat conductivity, and may be made of a metal material, such as a copper plate, an aluminum plate, or the like. The heat dissipation substrate 20 may be designed to have a rectangular shape, a square shape, a circular shape, or a fan shape, and one skilled in the art can select the shape according to practical situations.

The number of the graphene heating film 10 may be one, two, three, four, or five, and the graphene heating film 10 includes two insulating films 13, an electrode 12, and a graphene film 11. The electrode 12 may be made of silver, silver paste, copper paste, aluminum, graphene, or Indium Tin Oxide (ITO). The electrode 12 may be formed on one surface of the graphene film 11 by Physical Vapor Deposition (PVD) (for example, the electrode material is silver, copper, or aluminum), chemical vapor deposition (for example, the electrode material is graphene), or screen printing (for example, the electrode material is silver paste, copper paste, or indium tin oxide), and the graphene film 11 and the electrode 12 are sandwiched between the two insulating films 13.

Please refer to fig. 6, fig. 6 shows a raman spectrum of the graphene film of the present invention, and the 2D peak of the raman spectrum of the graphene film of the embodiment of the present invention is higher than the G peak, which indicates that the graphene film is a single-layer graphene. Referring to fig. 6, in the embodiment of the present invention, there is also a G ' peak between the G peak and the 2D peak, and the G ' peak is a defect peak, which shows defects and disorder of the carbon lattice, but the G ' peak is very weak, which indicates that the defects of the single-layer graphene film in the embodiment of the present invention are very few. In addition, there is a D peak on the left side of the G peak, which is also a defect peak, and shows defects and disorder of the carbon lattice, but the D peak is also very weak, which indicates that the defects of the single-layer graphene film in the embodiment of the present invention are few. In the graphene film according to the embodiment of the present invention, the intensity ratio of the 2D peak to the G peak is about 2, which also indicates that the graphene film 11 according to the embodiment of the present invention is a high-quality single-layer graphene (the number of graphene layers is more and more as the intensity ratio of the 2D peak to the G peak is reduced), and the single-layer rate of the single-layer graphene film is measured by the experiment at the same time to be more than 96%, further proving that the graphene film 11 is a high-quality single-layer graphene.

Referring to fig. 7, fig. 7 is a graph of relative radiation energy spectrum of the graphene film and a human body, that is, an infrared spectrum, according to an embodiment of the present invention. It can be seen from fig. 7 that, the utility model discloses the graphite alkene membrane 11 generates heat after circular telegram and the far infrared wavelength of human body extremely coincide, consequently can reach with the human effect of same frequency resonance, thereby make the better absorption infrared energy of human body reach the physiotherapy or the medical treatment effect that promote the body temperature, promote the activity of human cell.

And simultaneously, the utility model discloses technical scheme generates heat the laminating of diaphragm 10 with graphite alkene on heat dissipation base plate 20, and the heat that produces when graphite alkene membrane 11 generates heat can transmit for heat dissipation base plate 20 via insulating film 13, so, can not produce heat collection on the insulating film 13, has guaranteed the stability of the effect of graphite alkene diaphragm 10 that generates heat and the life of graphite alkene diaphragm 10 that generates heat.

In some embodiments, referring to fig. 2, the fixing member 30 of the present invention is a thermal conductive adhesive coated between the insulating film 13 and the heat dissipating substrate 20.

In this embodiment, the heat conducting glue mainly plays two roles, the first role is to fix the heat dissipation substrate 20 and the graphene heating film 10 in an adhesive manner, and the second role is to conduct heat between the insulating film 13 and the heat dissipation substrate 20. The thermal conductive adhesive is coated between the insulating film 13 and the heat dissipating substrate 20, and after curing, in order to ensure that the heat on the insulating film 13 can be conducted to the heat dissipating substrate 20, the thermal conductive adhesive needs to have excellent thermal conductivity.

When the graphene heating film 10 is fixed on the heat dissipation substrate 20, only one layer of heat-conducting glue may be coated on the surface of the insulating film 13, only one layer of heat-conducting glue may be coated on the surface of the heat dissipation substrate 20, and a layer of heat-conducting glue may be coated on the insulating film 13 and the heat dissipation substrate 20 respectively.

In some embodiments, the thermally conductive paste is a first insulating thermally conductive paste.

In this embodiment, the first insulating heat-conducting adhesive has two functions of a heat-conducting adhesive, and also has an insulating function, so that electric leakage is prevented when the insulating film 13 is damaged. The first insulating heat-conducting adhesive is coated between the heat dissipation substrate 20 and the insulating film 13, and if the insulating film 13 is damaged, the graphene film 11 and the electrode 12 are insulated and isolated from the heat dissipation substrate 20 through the first insulating heat-conducting adhesive, so that current is prevented from being transmitted to the heat dissipation substrate 20.

In some embodiments, the heat-dissipating substrate 20 is an aluminum plate; and/or the presence of a gas in the gas,

the insulating film is a transparent polymer film made of polyethylene terephthalate, polyvinyl chloride, polyethylene, polycarbonate, polymethyl methacrylate, polyvinylidene fluoride, or a combination of two or more of the above.

In this embodiment, the heat dissipation substrate 20 is made of aluminum material, so that the heat dissipation substrate 20 has both advantages of heat conductivity and light weight. Aluminum is not the metal material with the best thermal conductivity, silver is the best thermal conductivity, and copper is the next, but silver is expensive, and copper is heavy, so the heat dissipation substrate 20 is made of aluminum material in this embodiment.

Referring to fig. 2 and 4, fig. 4 is a schematic structural diagram of the fixing element and the second insulating thermal conductive adhesive in the embodiment of fig. 2.

In some embodiments, the graphene heating module further includes a second insulating and heat-conducting adhesive 40, the second insulating and heat-conducting adhesive 40 is coated on the peripheral side edge of the graphene heating membrane 10, and the second insulating and heat-conducting adhesive 40 insulates the graphene film 11 from the outside.

In the present embodiment, the graphene film 11 may be exposed to the outside from the peripheral side edges of the two insulating films 13, which may cause an electric shock. Therefore, the second insulating and heat-conducting glue 40 is coated on the peripheral side edge of the graphene heating film 10, and the second insulating and heat-conducting glue 40 is mainly used for coating the exposed graphene film 11, so that the graphene film 11 is insulated and isolated from the outside. In addition, because the second insulating and heat-conducting adhesive 40 is coated on the peripheral side edge of the graphene heating film 10, the contact area between the graphene heating film 10 and the heat dissipation substrate 20 is increased, so that the effect of accelerating heat dissipation can be achieved.

Referring to fig. 5, fig. 5 is a schematic structural diagram of the electrode in the embodiment of fig. 2.

In some embodiments, the electrode 12 includes a first bus bar 121 and a second bus bar 122, the first bus bar 121 being disposed in parallel with the second bus bar 122; the first bus bar 121 is provided with a first internal electrode 123, one end of the first internal electrode 123 is connected with the first bus bar 121, and the other end extends towards the second bus bar 122; the second bus bar 122 is provided with two spaced second internal electrodes 124, the two second internal electrodes 124 are located at two sides of the first internal electrode 123, one end of each second internal electrode 124 is connected to the second bus bar 122, and the other end extends toward the first bus bar 121.

In this embodiment, the electrode 12 is in a "r" shape, and includes two parallel first bus bars 121 and two parallel second bus bars 122, and the first bus bars 121 and the second bus bars 122 are electrically connected to the positive electrode and the negative electrode of the power supply, respectively. The first bus bar 121 is provided with a first internal electrode 123 extending toward the second bus bar 122, one end of the first internal electrode 123 is connected to the first bus bar, and the other end is a free end. The second bus bar 122 is provided with two second internal electrodes 124, one end of each second internal electrode 124 is connected to the second bus bar 122, and the other end is a free end.

It is understood that the electrode 12 may also be designed in a "tian" shape, or a "wooden" shape, etc. Through adopting the design of the electrode 12 of different shapes, can adjust the resistance of graphite alkene diaphragm 10 that generates heat to solve graphite alkene diaphragm 10 that generates heat's resistance problem on the large side.

In some embodiments, referring to fig. 1, the graphene heating sheets 10 include two graphene heating sheets 10, the two graphene heating sheets 10 are disposed on the heat dissipation substrate 20 at intervals, and the two graphene heating sheets 10 are electrically connected through a wire 50.

In this embodiment, the operating voltage of each graphene heating film 10 is 110V, and the two graphene heating films 10 are connected in series through the wire 50, so that the power supply of the 220V graphene heating module can be directly provided, and the power supply voltage does not need to be converted through the power adapter, thereby reducing the manufacturing cost of the graphene heating module.

In some embodiments, each graphene heating membrane 10 is electrically connected to a connecting member, and one end of each wire 50 is electrically connected to one connecting member and the other end is electrically connected to the other connecting member.

In this embodiment, the connecting member cooperates with the conducting wire 50 for electrically connecting the two graphene heating films 10. The connecting member may be integrally disposed with the graphene heating film 10, or may be disposed separately, and those skilled in the art may design the connecting member according to actual situations.

In some embodiments, referring to fig. 1 and 2, the connecting member is a rivet, and an outer surface of the rivet is coated with an insulating glue 60.

In this embodiment, because the rivet is electrically connected with the lead 50, the outside of the rivet is coated with the insulating glue 60 after the rivet is connected with the lead 50, so that the rivet is insulated and isolated from the outside, the electric shock is avoided, and the safety in use of the graphene heating module is ensured.

The width of the graphene heating film 10 is 10 cm to 15 cm; and/or

The length of the graphene heating film 10 is 25 cm to 30 cm.

The utility model discloses further provide a device generates heat, the device should generate heat includes the graphite alkene module that generates heat that power and aforementioned each embodiment recorded, and the concrete structure of this graphite alkene module that generates heat refers to above-mentioned embodiment, because this device that generates heat has adopted all technical scheme of above-mentioned all embodiments, consequently has all technical effects that the technical scheme of above-mentioned embodiment brought at least, no longer gives unnecessary details here. Wherein, the power is connected with the graphite alkene diaphragm electricity that generates heat to generate heat the power supply for graphite alkene diaphragm electricity, the power can be the wiring power, also can be the battery.

The utility model discloses further provide an energy room, this energy room include energy room body and the device that generates heat, and the device that should generate heat includes the graphite alkene module that generates heat that aforementioned each embodiment recorded, and the concrete structure of this graphite alkene module that generates heat refers to above-mentioned embodiment, because this energy room has adopted all technical scheme of above-mentioned all embodiments, consequently has all technical effects that the technical scheme of above-mentioned embodiment brought at least, no longer gives unnecessary detail here. Wherein, the heating device is arranged in the energy room body.

The above is only the part or the preferred embodiment of the present invention, no matter the characters or the drawings can not limit the protection scope of the present invention, all under the whole concept of the present invention, the equivalent structure transformation performed by the contents of the specification and the drawings is utilized, or the direct/indirect application in other related technical fields is included in the protection scope of the present invention.

Claims

1. A graphene heating module, comprising:

at least one graphene heating membrane;

2. The graphene heating module according to claim 1, wherein the fixing member is a first insulating and heat-conducting adhesive, and the first insulating and heat-conducting adhesive is coated between the insulating film and the heat dissipation substrate.

3. The graphene heating module according to claim 1,

the heat dissipation substrate is an aluminum plate; and/or the presence of a gas in the gas,

the insulating film is a transparent polymer film.

4. The graphene heating module according to any one of claims 1 to 3, further comprising a second insulating and heat-conducting adhesive, wherein the second insulating and heat-conducting adhesive is coated on the peripheral side edge of the graphene heating membrane, and the second insulating and heat-conducting adhesive insulates the graphene membrane from the outside.

5. The graphene heating module according to claim 1,

the electrodes include a first bus bar and a second bus bar, the first bus bar being disposed parallel to the second bus bar;

a first inner electrode is arranged on the first bus bar, one end of the first inner electrode is connected with the first bus bar, and the other end of the first inner electrode extends towards the second bus bar;

6. The graphene heating module according to claim 1, wherein the number of the graphene heating films is two, the two graphene heating films are disposed on the heat dissipation substrate at intervals, and the two graphene heating films are electrically connected through a wire.

7. The graphene heating module according to claim 6, wherein each of the graphene heating membranes is electrically connected to a connecting member, one end of the wire is electrically connected to one connecting member, and the other end of the wire is electrically connected to the other connecting member.

8. The graphene heating module according to claim 7, wherein the connector is a rivet, and an outer surface of the rivet is coated with an insulating glue.

9. The graphene heating module according to any one of claims 1-3 and 5-8,

the thickness of the heat dissipation substrate is 0.5 mm to 1.5 mm; and/or

The width of the graphene heating film is 10-15 cm; and/or

The length of the graphene heating membrane is 25 cm to 30 cm.

10. A heat-generating device comprising a power supply and the graphene heat-generating module of any one of claims 1-9, wherein the power supply is electrically connected to the graphene heat-generating membrane.

11. An energy house, comprising an energy house body and the heat generating device of claim 10, wherein the heat generating device is disposed in the energy house body.