Graphene electric heating module and system

Abstract

The present invention discloses a graphene electric heating module and system, wherein the graphene electric heating module (1) comprises a heat conducting plate (2), a graphene electric heating film (3) and a sealing member (4) which are placed in sequence, wherein the heat conducting plate (2) is provided with a liquid outlet (5) and a liquid inlet (6), wherein the graphene electric heating film (3) is arranged on the heat conducting plate (2), and the sealing member (4) seals the outer periphery of the liquid outlet (5) and the outer periphery of the liquid inlet (6). The present invention provides a heating system which is formed by stacking and compacting the graphene electric heating modules (1). The heating system designed by the present invention can realize the production and manufacturing of products with different powers by freely stacking the graphene electric heating modules; in addition, it can be seamlessly connected with the existing heating sheet / heat sink and floor heating system, which is more conducive to the replacement and upgrading of the existing coal-fired boiler heating method, and reduces the renovation work volume and renovation cost.

Description

Technical Field

[0001] The present invention relates to the field of heating, and in particular to a graphene electric heating module and a heating system composed of the electric heating module. Background Art

[0002] Electric heating technology has a long history. Existing electric heating mainly includes three types: direct heating heater, thermal storage heater and air source heat pump. The heat source and heat dissipation device of the direct heating heater are designed as one body, which can heat up as soon as the power is turned on; thermal storage heater is usually equipped with a heat storage device, which is used to convert electrical energy into thermal energy and then store and release it in a cycle; air source heat pump uses the principle of heat pump to realize phase change heat generation of the medium in the pipeline, usually including indoor main unit, outdoor unit, compressor and other components.

[0003] The above three electric heating methods all have their own advantages and disadvantages. For example, direct heating heaters are usually used for instant heating, heat up quickly, and have correspondingly high power consumption; heat storage heaters are usually one of the ways for household combined heating and long-term uninterrupted heating, but their structure is relatively complex and the surface temperature is relatively high, which makes the indoor air dry. If used improperly, it will cause people to have difficulty breathing and feel hot all over, which will have adverse effects on health; air source heat pumps have little environmental pollution and high electric heat conversion efficiency. The disadvantage is that in places in northern my country where the outdoor air temperature is low, the heat pump does not provide enough heat at low temperatures, so an auxiliary heater is required, and its reliability in cold areas is poor.

[0004] With the development of new materials and new technologies, new electric heating materials have great advantages in energy saving and environmental protection when applied to electric heating. At present, with the development of graphene materials, graphene electric heating films have shown excellent performance in electric heating equipment and have broad application prospects. Graphene electric heating films have very obvious advantages over traditional electric heating films. On the one hand, graphene electric heating films have high electric heating efficiency, good heat dissipation effect, light weight, no pollutants, and green and low-carbon; on the other hand, graphene electric heating films have wide voltage adaptability. In addition to conventional power systems, they can also be connected to auxiliary power systems such as solar energy and wind energy. In addition, graphene electric heating films can also radiate far-infrared light waves that are beneficial to human health, and are one of the most advanced heating methods at present. In the process of the country's promotion of the "coal to electricity" heating policy, it has great promotion value. Summary of the invention

[0005] The technical problem to be solved by the present invention is to provide a new graphene electric heating device.

[0006] The present invention has developed a graphene heating module that can be combined in any number, and the production of products with different powers can be achieved through free stacking between modules.

[0007] Specifically, the present invention proposes the following technical solutions:

[0008] On the one hand, the present invention provides a graphene electric heating module 1, which includes a heat conducting plate 2, a graphene electric heating film 3 and a seal 4 placed in sequence, the heat conducting plate 2 is provided with a liquid outlet 5 and a liquid inlet 6, the graphene electric heating film 3 is arranged on the heat conducting plate 2, and the seal 4 seals the periphery of the liquid outlet 5 and the periphery of the liquid inlet 6.

[0009] Preferably, the above-mentioned electric heating module 1, wherein the graphene electric heating module 1 also includes a heat sink 7, a second seal 8, the heat sink 7, the second seal 8, the heat conducting plate 2, the graphene electric heating film 3 and the seal 4 are placed in sequence, the heat sink 7 and the heat conducting plate 2 are both provided with a liquid outlet and a liquid inlet, the second seal 8 seals the outer periphery of the heat sink 1, and the seal 4 seals the outer periphery of the liquid outlet 5 and the outer periphery of the liquid inlet 6 of the heat conducting plate 2; preferably, the liquid outlet 17 on the heat sink 7 and the liquid outlet 5 on the heat conducting plate 2 are in the same position, and the liquid inlet 18 on the heat sink 7 and the liquid inlet 6 on the heat conducting plate 2 are in the same position.

[0010] Preferably, in the above-mentioned electric heating module 1, the heat conducting plate 2 is provided with a liquid outlet 5, a liquid inlet 6 and a heating area 9, and the heating area 9 is located in the central area of ​​the heat conducting plate 2; preferably, the heating area 9 is a plane in the central area of ​​the heat conducting plate 2, and more preferably, the heating area is a concave surface located in the center of the heat conducting plate 2; more preferably, the liquid outlet 5 is located above the heat conducting plate 2, and the liquid inlet 6 is located below the heat conducting plate 2; more preferably, the heat conducting plate 2 is provided with a sealing fixing area, and more preferably, the sealing fixing area includes a groove 10 located at the periphery of the liquid outlet 5 and the periphery of the liquid inlet 6; more preferably, the heat conducting plate 2 is provided with a heat dissipation enhancement area 11 outside the heating area 9, and the heat dissipation enhancement area 11 is in a corrugated or grid shape; more preferably, a fin heat dissipation structure is provided on the back of the heat conducting plate 2; more preferably, the heat conducting plate 2 is selected from a metal heat conducting plate.

[0011] Preferably, in the above-mentioned electric heating module 1, the graphene electric heating film 3 comprises a graphene heating layer, an electrode and a protective layer, and the graphene heating layer is graphene;

[0012] Preferably, the graphene heating layer is selected from 1 to 5 layers of graphene.

[0013] Preferably, in the above-mentioned electric heating module 1, the seal 4 includes a sealing ring 12, preferably, the seal 4 also includes a fixing member 13, more preferably, the seal 4 also includes a peripheral sealing strip, and the peripheral sealing strip is connected to the sealing ring 12; more preferably, the peripheral sealing strip and the sealing ring 12 are an integral structure; more preferably, the peripheral sealing ring includes an arc-shaped sealing strip 14 and a vertical linear sealing strip 15, more preferably, the seal 4 also includes an inclined linear sealing strip 16, more preferably, the inclined linear sealing strip 16 is connected to the peripheral sealing strip; more preferably, the sealing strip 16 is located outside the sealing ring 12, close to the sealing ring 12, one end is located between the arc-shaped sealing strip 14 and the sealing ring 12, and the other end is located on the vertical linear sealing strip 15.

[0014] Preferably, in the above-mentioned electric heating module 1, the heat sink 7 is provided with a liquid outlet 17 and a liquid inlet 18, preferably, the liquid outlet 17 is located above the heat sink 7, and the liquid inlet 18 is located below the heat sink 7; more preferably, the heat sink 7 is provided with a sealing fixing area, more preferably, the sealing fixing area includes a groove 19 located on the periphery of the heat sink 7; more preferably, the heat sink 7 is provided with a heat dissipation enhancement area 20, and the heat dissipation enhancement area 20 is in a corrugated or grid shape; more preferably, a fin heat dissipation structure is provided on the front side of the heat sink 7; the heat sink 7 is selected from a metal heat conductive plate.

[0015] Preferably, the above-mentioned electric heating module 1, wherein the second sealing member 8 includes a peripheral sealing strip, preferably, the peripheral seal includes an arc-shaped sealing strip 29, a vertical linear sealing strip 21 and an inclined linear sealing strip 22; more preferably, the inclined linear sealing strip 22 connects the arc-shaped sealing strip 29 and the vertical linear sealing strip 21; more preferably, the arc-shaped sealing strip 29 corresponds to the outside of the liquid outlet 17 and the liquid inlet 18; more preferably, the second sealing member 8 also includes a sealing ring 23, and the sealing ring 23 is located on the outside of the inclined linear sealing strip 22; more preferably, the peripheral sealing strip and the sealing ring 23 are an integrated structure; more preferably, the second sealing member 8 also includes a fixing member 24.

[0016] On the other hand, the present invention provides a heating system 25, which is formed by stacking and pressing multiple graphene electric heating modules 1; preferably, the heating system 25 is formed by stacking and pressing the graphene electric heating modules 1 with fasteners, and the fasteners are selected from bolts, studs, nuts and / or screws.

[0017] Preferably, in the above-mentioned heating system 25, a water outlet pipe 26 is arranged on the upper side of the heating system 25, and a water inlet pipe 27 is arranged on the lower side.

[0018] On the other hand, the present invention provides a heating system, including a heating system 25, a control module, a water circulation module and a heat dissipation terminal. Preferably, the water circulation module is connected to the heating system 25 and the heat dissipation terminal.

[0019] More preferably, the water circulation module includes a pipeline and a circulating water pump, and more preferably, the pipeline is provided with a temperature sensor and / or a pressure sensor; more preferably, the water circulation module also includes a water tank, and more preferably, a liquid level sensor is provided in the water tank.

[0020] Preferably, in the above-mentioned heating system, the control module controls the temperature of the heating system 25. Preferably, the control module includes a temperature controller. More preferably, the control module includes a touch display screen, a wireless communicator and / or an alarm indicator.

[0021] The beneficial effects of the present invention include:

[0022] 1. The host designed and developed by the present invention is similar to the principle of a boiler, with simple operation and high reliability. It heats the hot water pipeline through electric heat conversion;

[0023] 2. The electric heating element adopts graphene flexible film with a thickness of 0.3-1mm. The weight of a single film can be controlled at dozens of grams, which is very light and thin. This makes the weight of the entire heating system much lighter, which has great advantages for both home installation and logistics transportation;

[0024] 3. The electric heating element uses graphene flexible film, which can release far-infrared light waves close to the human body, which is beneficial to physical health and comfort. The heat it generates will not cause indoor air dryness, providing a better experience.

[0025] 4. The design of multiple groups / pieces of stacked graphene heating modules is conducive to the realization of modular production and automated production of models with different powers. Models with different powers can be designed and produced by simply adding or reducing several modular components;

[0026] 5. The graphene heating module designed in the present invention realizes planar heating and surface water flow zone heat exchange, making heat dissipation more sufficient and improving the electrothermal conversion efficiency;

[0027] 6. The heating system designed by the present invention can be seamlessly connected with the existing heating fins / radiators and floor heating systems, which is more conducive to the replacement and upgrading of the existing coal-fired boiler heating method and reduces the renovation work volume and renovation costs.

[0028] 7. The present invention is not only easy to realize independent control or centralized control, but can also be widely used for household heating and heating of multi-story villa buildings, and can also realize centralized heating of public spaces such as commercial office buildings, factories, hospitals, and schools.

[0029] 8. This design can realize centralized control, regional control and remote control. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 The graphene electric heating module of Example 1;

[0031] Figure 2 The graphene electric heating module of Example 2;

[0032] Figure 3 The heat conducting plate in Example 2;

[0033] Figure 4 The sealing member in Example 2;

[0034] Figure 5 The heat sink in Example 2;

[0035] Figure 6 The second sealing member in Embodiment 2;

[0036] Figure 7 The heating system in Example 3;

[0037] Figure 8 This is a schematic diagram of water flowing through the graphene electric heating module in Example 3;

[0038] In the figure, 1 is a graphene electric heating module, 2 is a heat conducting plate, 3 is a graphene electric heating film, 4 is a sealing member, 5 is a water outlet, 6 is a water inlet, 7 is a heat dissipation plate, 8 is a second sealing member, 9 is a heating area, 10 is a groove, 11 is a heat dissipation enhancement area, 12 is a sealing ring, 13 is a fixing member, 14 is an arc-shaped sealing strip, 15 is a vertical linear sealing strip, 16 is an inclined linear sealing strip, 17 is a water outlet, 18 is a water inlet, 19 is a groove, 20 is a heat dissipation enhancement area, 21 is a vertical linear sealing strip, 22 is an inclined linear sealing strip, 23 is a sealing ring, 24 is a fixing member, 25 is a heating system, 26 is a water outlet pipe, 27 is a water inlet pipe, 28 is a bolt, and 29 is an arc-shaped sealing strip. DETAILED DESCRIPTION

[0039] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, based on the specific implementations of the present invention, all other implementations obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0040] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present invention.

[0041] In the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0042] Unless otherwise specified, the terms "center", "top", "bottom", "up", "down", "left", "right", "vertical", "horizontal", "longitudinal", "lateral", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0043] The terms "first", "second" and "third" are used for descriptive purposes only and should not be construed as relative importance.

[0044] The present invention provides a graphene electric heating module 1, comprising a heat conducting plate 2, a graphene electric heating film 3 and a sealing member 4, wherein the heat conducting plate 2 is provided with a liquid outlet 5 and a liquid inlet 6, the graphene electric heating film 3 is provided on the heat conducting plate 2, and the sealing member 4 seals the outer periphery of the liquid outlet 5 and the outer periphery of the liquid inlet 6. The sealing member 4 seals the outer periphery of the liquid outlet 5 and the liquid inlet 6, thereby ensuring that the liquid does not contact the graphene electric heating film 2 when flowing through the liquid outlet 5 and the liquid inlet 6.

[0045] In the preferred technical solution of the present invention, a graphene electric heating module 1 is provided, comprising a heat sink 7, a second seal 8, a heat conducting plate 2, a graphene electric heating film 3 and a seal 4 placed in sequence, the heat sink 7 and the heat conducting plate 2 are both provided with a liquid outlet and a liquid inlet, the second seal 8 seals the periphery of the heat sink 1, and the seal 4 seals the periphery of the liquid outlet 5 and the periphery of the liquid inlet 6 of the heat conducting plate 2. The seal 8 seals the periphery of the heat sink 7 so that the space between the heat sink 7 and the heat conducting plate 2 forms a heat dissipation channel, and the liquid does not flow out from the periphery of the heat sink. The fluid enters the heat dissipation channel from the liquid inlet 6 of the heat conducting plate 2, absorbs the heat generated by the heat conducting plate 2, and then flows out from the liquid outlet 5 of the heat conducting plate 2, thereby exchanging the heat of the heat conducting plate 2 to the fluid. Preferably, the liquid outlet 17 on the heat sink 7 and the liquid outlet 5 on the heat conducting plate 2 are in the same position, and the liquid inlet 18 on the heat sink 7 and the liquid inlet 6 on the heat conducting plate 2 are in the same position.

[0046] In the preferred technical solution of the present invention, the heat conducting plate 2 is provided with a liquid outlet 5, a liquid inlet 6 and a heating area 9, and the heating area 9 is located in the central area of ​​the heat conducting plate 2; preferably, the heating area 9 is a plane in the central area of ​​the heat conducting plate 2, and more preferably, the heating area is a concave surface located in the center of the heat conducting plate 2; more preferably, the liquid outlet 5 is located above the heat conducting plate 2, and the liquid inlet 6 is located below the heat conducting plate 2; more preferably, the heat conducting plate 2 is provided with a sealing fixing area, and more preferably, the sealing fixing area includes a groove 10 located at the periphery of the liquid outlet 5 and the periphery of the liquid inlet 6; more preferably, the heat conducting plate 2 is provided with a heat dissipation enhancement area 11 outside the heating area 9, and the heat dissipation enhancement area 11 is in a corrugated or grid shape; more preferably, the heat conducting plate 2 is provided with a fin heat dissipation structure; the heat conducting plate 2 is selected from a metal heat conducting plate.

[0047] In the preferred technical solution of the present invention, the graphene electric heating film 3 includes a graphene heating layer, an electrode and a protective layer, the graphene heating layer is graphene, and preferably, the graphene heating layer is selected from 1 to 5 layers of graphene. The graphene electric heating film 3 electrode can generate heat by passing electricity through a wire. The graphene electric heating film can be prepared by the method of CN105517215B.

[0048] In the preferred technical solution of the present invention, the seal 4 includes a sealing ring 12, preferably, the seal 4 also includes a fixing member 13, more preferably, the seal 4 also includes a peripheral sealing strip, and the peripheral sealing strip is connected to the sealing ring 12; more preferably, the peripheral sealing strip and the sealing ring 12 are an integral structure; more preferably, the peripheral sealing ring includes an arc-shaped sealing strip 14 and a vertical linear sealing strip 15, more preferably, the positions of the arc-shaped sealing strip 15 and the sealing ring 12 are symmetrical; more preferably, the seal 4 also includes an inclined linear sealing strip 16, more preferably, the inclined linear sealing strip 16 is connected to the peripheral sealing strip; more preferably, the inclined linear sealing strip 16 is located outside the sealing ring 12 near the sealing ring 12, more preferably, one end of the inclined linear sealing strip 16 is located between the arc-shaped sealing strip 14 and the sealing ring 12, and the other end is located on the vertical linear sealing strip 15.

[0049] In the preferred technical solution of the present invention, the heat sink 7 is provided with a liquid outlet 17 and a liquid inlet 18. Preferably, the liquid outlet 17 is located above the heat sink 7, and the liquid inlet 18 is located below the heat sink 7; more preferably, the heat sink 7 is provided with a sealing fixing area, and more preferably, the sealing fixing area includes a groove 19 located on the outer periphery of the heat sink 7; more preferably, the heat sink 7 is provided with a heat dissipation enhancement area 20, and the heat dissipation enhancement area 20 is in a corrugated or grid shape; more preferably, a fin heat dissipation structure is provided on the front side of the heat sink 7; the heat sink 7 is selected from a metal heat conductive plate.

[0050] In the preferred technical solution of the present invention, the second seal 8 includes a peripheral sealing strip, preferably, the peripheral seal includes an arc-shaped sealing strip 29, a vertical linear sealing strip 21 and an inclined linear sealing strip 22; more preferably, the inclined linear sealing strip 22 connects the arc-shaped sealing strip 29 and the vertical linear sealing strip 21; more preferably, the arc-shaped sealing strip 29 corresponds to the outside of the liquid outlet 17 and the liquid inlet 18; more preferably, the second seal 8 also includes a sealing ring 23, and the sealing ring 23 is located on the outside of the inclined linear sealing strip 22; more preferably, the peripheral sealing strip and the sealing ring 23 are an integral structure; more preferably, the second seal 8 also includes a fixing member 24, which assists the second seal 8 in fixing to the heat sink 7.

[0051] In the preferred technical solution of the present invention, a heating system 25 is provided, wherein the heating system 25 is formed by stacking a plurality of graphene electric heating modules 1 and pressing them with fasteners, and a water outlet 26 is arranged above the heating system 25 and a water inlet 27 is arranged below the heating system 25.

[0052] In the preferred technical solution of the present invention, a heating system is provided, including a heating system 25, a control module, a water circulation module and a heat dissipation terminal; preferably, the control module includes a temperature and humidity controller, a power regulator, a touch display screen, a single-chip microcomputer / PLC system, an alarm indication buzzer, an emergency stop button, and a WiFi module. The control module is assembled as a whole in a control cabinet, and can be autonomously controlled and adjusted through touch buttons / APP / PC terminals. At the same time, if there is a fault in the system operation, an alarm message will pop up on the touch screen, and the fault can be eliminated according to the content of the message prompt. The water circulation module includes inlet and outlet water pipelines and temperature sensors and pressure sensors on the pipelines, a circulating water pump and a water storage / supplement tank and a liquid level sensor in the water replenishment tank and a solenoid valve connected to the water replenishment tank. The water pump is arranged at the outlet or inlet of the water pipe, and is used to pump hot water to the heat dissipation terminal and pump the cooling water after flowing through the heat dissipation terminal back to the heating system 25 to realize water circulation; the temperature sensor and pressure sensor in the circulating pipeline monitor the inlet and outlet water temperature and the inlet and outlet water pressure, so as to adjust the inlet and outlet water temperature difference and the inlet and outlet water pressure difference by adjusting the flow rate or flow rate of the circulating water pump. When the temperature reaches the preset temperature, the heating is suspended or the frequency conversion is used to reduce the power of the heating to keep warm in order to save energy; the water storage tank is used for water replenishment, and is arranged at a certain distance from the outlet of the water pipe. On the one hand, it adjusts the pipeline flow and water pressure, and on the other hand, it can replenish cold water / medium. When the water replenishment tank is short of water, the liquid level sensor feedbacks a signal, and the water replenishment solenoid valve automatically opens to replenish water. If the solenoid valve is out of water, the unit alarms. The heat dissipation terminal may be a heat sink on an indoor wall or a floor heating pipe or a combination of the two, and the connection may be achieved through a pipe interface.

[0053] Example 1

[0054] like Figure 1 As shown, the graphene electric heating module 1 of this embodiment includes a heat conducting plate 2, a graphene electric heating film 3 and a sealing member 4. The graphene electric heating film 3 includes a graphene heating layer, an electrode and a protective layer. The graphene heating layer is two layers of graphene. The graphene electric heating film 3 is arranged on the heat conducting plate 2. The graphene electric heating film 3 is connected to the wire to generate heat by electricity. A temperature sensor is arranged on the electric heating film. There are two water outlets 5 above the heat conducting plate 2 and two water inlets 6 below. The two sealing rings on the left side of the sealing member 4 correspond to the positions of the left water outlet 5 and the water inlet 6 respectively.

[0055] Example 2

[0056] like Figure 2 As shown, the graphene electric heating module 1 of this embodiment includes a heat sink 7, a second seal 8, a heat conducting plate 2, a graphene electric heating film 3 and a seal 4 placed in sequence. The graphene electric heating film 3 includes a graphene heating layer, an electrode and a protective layer, and the graphene heating layer is a three-layer graphene. The graphene electric heating film 3 is arranged on the heat conducting plate 2, and the graphene electric heating film 3 is connected to the wire to generate heat by electricity, and a temperature sensor is provided on the electric heating film. The heat sink 7 and the heat conducting plate 2 are both provided with a liquid outlet and a liquid inlet, and the liquid outlet on the heat sink 7 is in the same position as the liquid outlet on the heat conducting plate 2, and the liquid inlet on the heat sink 7 is in the same position as the liquid inlet on the heat conducting plate 2. The second seal 8 seals the periphery of the heat sink 1, and the seal 4 seals the periphery of the liquid outlet and the periphery of the liquid inlet of the heat conducting plate 2. The seal 8 seals the periphery of the heat sink 7, so that the space between the heat sink 7 and the heat conducting plate 2 forms a heat dissipation channel, and the liquid does not flow out from the periphery of the heat sink. The fluid enters the heat dissipation channel from the liquid inlet 6 of the heat conducting plate 2, absorbs the heat generated by the heat conducting plate 2, and then flows out from the liquid outlet 5 of the heat conducting plate 2, thereby exchanging the heat of the heat conducting plate 2 to the fluid.

[0057] like Figure 3 As shown, the heat conducting plate 2 is a corrugated and finned metal heat sink, with a concave heating area 9 at the center, and the depth of the concave surface is 1 to 20 mm, and the graphene electric heating film can be fixed in the concave surface. The heat conducting plate 2 is provided with two sets of upper and lower water inlets and outlets, of which two water inlets 6 are on the lower side and two water outlets 5 are on the upper side. The heating area is a concave surface located at the center of the heat conducting plate 2; the heat conducting plate 2 is provided with a heat dissipation enhancement area 11 outside the heating area 9, and the heat dissipation enhancement area 11 is formed by stamping a metal plate to form staggered corrugations to increase the turbulent effect of the water flow, and the heat conducting plate is provided with a fin structure on the back of the heating area 9 to enhance heat dissipation. The heat conducting plate 2 is provided with a groove, and the shape of the groove is consistent with the shape of the sealing ring, so that the seal 4 is embedded in the groove.

[0058] like Figure 4As shown, the sealing member 4 includes a sealing ring 12, a peripheral sealing strip and a fixing member 13, which are an integrated structure. The peripheral sealing strip includes an arc-shaped sealing strip 14 and a vertical linear sealing strip 15. The center above and below the peripheral sealing strip is respectively provided with an inclined linear sealing strip 16 in the direction of the vertical linear sealing strip 15 on the right side, so that the water inlet and water outlet corresponding to the sealing ring 12 form a double seal. When the sealing member 4 is placed in the groove of the heat conducting plate 2, the arc-shaped sealing strip 15 and the sealing ring 12 both correspond to the positions of the water inlet and the water outlet. Finally, the water inlet and water outlet corresponding to the sealing ring 12 are connected to the actual pipeline; while the water inlet and water outlet corresponding to the arc-shaped sealing strip 15 are not connected to the pipeline and are in an empty state.

[0059] like Figure 5 and Figure 6 As shown, the structure of the heat sink 7 is the same as that of the heat conducting plate 2, and the structure of the seal 8 is the same as that of the seal 2. When assembled into the graphene electric heating module 1, the arc-shaped sealing strip 29 of the seal 8 is placed at the water outlet 17 of the heat sink 2 connected to the water outlet pipe, and the sealing ring 23 is placed at the water outlet of the heat sink 2 not connected to the water outlet pipe.

[0060] Example 3

[0061] like Figure 7 As shown, multiple graphene electric heating modules 1 in Example 2 are stacked to form a graphene heating system 25. The graphene electric heating modules 1 are compressed by bolts 28. The graphene heating system 25 includes a water outlet 26 located above the heating system and a water inlet 27 located below the heating system. The internal water flow direction is as shown in FIG. Figure 8 As shown. Cold water flows into the graphene heating system 25 from the water inlet 27, and part of the cold water flows through the water outlet 18 below the heat sink 7 to enter the next electric heating module to absorb heat; part of the cold water flows through the cavity between the heat sink 7 and the heat sink 2 from the water inlet 6 of the heat conduction plate 2, absorbs heat and then flows out from the water outlet 5 above the heat conduction plate 2. After the heating system heats the water, the hot water is pumped to the terminal heat dissipation module, such as to the radiator or floor heating heat dissipation pipeline.

Claims

1. A graphene electric heating module (1), characterized in that: The graphene electric heating module (1) comprises a heat conducting plate (2), a graphene electric heating film (3) and a first sealing member (4) which are placed in sequence, the heat conducting plate (2) being provided with a heat conducting plate liquid outlet (5) and a heat conducting plate liquid inlet (6), the graphene electric heating film (3) being arranged on the heat conducting plate (2), and the first sealing member (4) sealing the outer periphery of the heat conducting plate liquid outlet (5) and the outer periphery of the heat conducting plate liquid inlet (6); The graphene electric heating module (1) further comprises a heat sink (7) and a second sealing member (8); the heat sink (7), the second sealing member (8), the heat conducting plate (2), the graphene electric heating film (3) and the first sealing member (4) are placed in sequence; the heat sink (7) and the heat conducting plate (2) are both provided with a liquid outlet and a liquid inlet; the second sealing member (8) seals the periphery of the heat sink (7); the first sealing member (4) seals the periphery of the heat conducting plate liquid outlet (5) and the periphery of the heat conducting plate liquid inlet (6) of the heat conducting plate (2); the heat sink liquid outlet (17) on the heat sink (7) and the heat conducting plate liquid outlet (5) on the heat conducting plate (2) are in the same position; the heat sink liquid inlet (18) on the heat sink (7) and the heat conducting plate liquid inlet (6) on the heat conducting plate (2) are in the same position; The heat conducting plate (2) is also provided with a heating zone (9), and the heating zone (9) is located in the central area of ​​the heat conducting plate (2); the heating zone (9) is a plane in the central area of ​​the heat conducting plate (2), and the heating zone is a concave surface located in the center of the heat conducting plate (2); the heat conducting plate liquid outlet (5) is located above the heat conducting plate (2), and the heat conducting plate liquid inlet (6) is located below the heat conducting plate (2); the heat conducting plate (2) is provided with a first sealing member fixing zone, and the first sealing member fixing zone includes a heat conducting plate groove (10) located at the periphery of the heat conducting plate liquid outlet (5) and the periphery of the heat conducting plate liquid inlet (6); the heat conducting plate (2) is provided with a first heat dissipation enhancement zone (11) outside the heating zone (9), and the first heat dissipation enhancement zone (11) is in a corrugated or grid shape; a fin heat dissipation structure is provided on the back of the heat conducting plate (2); the heat conducting plate (2) is a metal heat conducting plate; The first sealing member (4) further comprises a first sealing ring (12), a heat conducting plate fixing member (13) and a first peripheral sealing strip, wherein the first peripheral sealing strip is connected to the first sealing ring (12); the first peripheral sealing strip and the first sealing ring (12) are an integral structure; the first peripheral sealing strip comprises a first arc-shaped sealing strip (14) and a vertical first linear sealing strip (15); the first sealing member (4) further comprises an inclined first linear sealing strip (16), wherein the inclined first linear sealing strip (16) is connected to the first peripheral sealing strip; the inclined first linear sealing strip (16) is located outside the first sealing ring (12) and close to the first sealing ring (12), one end of the inclined first linear sealing strip (16) is located between the first arc-shaped sealing strip (14) and the first sealing ring (12), and the other end is located on the vertical first linear sealing strip (15); The heat sink (7) is provided with a heat sink liquid outlet (17) and a heat sink liquid inlet (18), wherein the heat sink liquid outlet (17) is located above the heat sink (7) and the heat sink liquid inlet (18) is located below the heat sink (7); the heat sink (7) is provided with a second sealing member fixing area, wherein the second sealing member fixing area comprises a heat sink groove (19) located at the periphery of the heat sink (7); the heat sink (7) is provided with a second heat dissipation enhancement area (20), wherein the second heat dissipation enhancement area (20) is in a corrugated or grid shape; a fin heat dissipation structure is provided on the front side of the heat sink (7); and the heat sink (7) is a metal heat sink.

2. The graphene electric heating module (1) according to claim 1, wherein: The graphene electric heating film (3) comprises a graphene heating layer, an electrode and a protective layer; the graphene heating layer is graphene; and the graphene heating layer comprises 1 to 5 layers of graphene.

3. The graphene electric heating module (1) according to any one of claims 1 to 2, wherein: The second sealing member (8) comprises a second peripheral sealing strip, which comprises a second arc-shaped sealing strip (29), a vertical second linear sealing strip (21) and an inclined second linear sealing strip (22); the inclined second linear sealing strip (22) connects the second arc-shaped sealing strip (29) and the vertical second linear sealing strip (21); the second arc-shaped sealing strip (29) corresponds to the outside of the heat sink liquid outlet (17) and the heat sink liquid inlet (18); the second sealing member (8) further comprises a second sealing ring (23), which is located on the outside of the inclined second linear sealing strip (22); the second peripheral sealing strip and the second sealing ring (23) are an integral structure; the second sealing member (8) further comprises a heat sink fixing member (24).

4. A heating system (25), formed by stacking and pressing a plurality of graphene electric heating modules (1) as described in any one of claims 1 to 3; the heating system 25 is formed by stacking and pressing the graphene electric heating modules (1) by fasteners, and the fasteners include bolts, studs, nuts and / or screws.

5. The heating system (25) according to claim 4, wherein: A water outlet pipe (26) is arranged above the heating system (25), and a water inlet pipe (27) is arranged below the heating system (25).

6. A heating system, comprising a heating system (25) as described in claim 4 or 5, a control module, a water circulation module and a heat dissipation terminal, wherein the water circulation module connects the heating system (25) and the heat dissipation terminal, the water circulation module comprises a pipeline and a circulating water pump, and the pipeline is provided with a temperature sensor and / or a pressure sensor; the water circulation module also comprises a water tank, and a liquid level sensor is provided in the water tank.

7. The heating system according to claim 6, wherein the control module controls the temperature of the heating system (25), and the control module comprises a temperature controller, a touch display screen, a wireless communicator and / or an alarm indicator.

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