CN210035849U - Efficient electric water heating device for instant heating type graphene membrane heating and phase change energy storage - Google Patents
Efficient electric water heating device for instant heating type graphene membrane heating and phase change energy storage Download PDFInfo
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- CN210035849U CN210035849U CN201920542413.0U CN201920542413U CN210035849U CN 210035849 U CN210035849 U CN 210035849U CN 201920542413 U CN201920542413 U CN 201920542413U CN 210035849 U CN210035849 U CN 210035849U
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Abstract
An efficient electric water heating device for instant heating type graphene film heating and phase change energy storage comprises: the device comprises a water heater shell, a phase-change heat storage chamber, a phase-change heat storage material, a plate heat exchanger, a graphene heating film, a heat insulation layer, an intelligent controller, a touch display screen, a temperature sensor, a water inlet pipe, a water outlet pipe and a mains supply; the touch display screen and the intelligent controller are installed on the water heater shell, an interlayer is arranged between the water heater shell and the phase-change heat storage chamber, a heat insulation layer is arranged in the interlayer, heat insulation materials are filled in the heat insulation layer, the plate type heat exchanger is located in the middle of the phase-change heat storage chamber, and phase-change heat storage materials are filled in a cavity of the phase-change heat storage chamber; the heat exchange surface device of plate heat exchanger has graphite alkene heating film and has the wire to draw forth the phase change heat accumulation chamber and be connected with intelligent control ware, and plate heat exchanger and graphite alkene heating film all submerge in the phase change heat storage material, have temperature sensor in the phase change heat accumulation chamber and link to each other with intelligent control ware, realize the heat accumulation and the exothermic cyclic utilization of phase change heat storage material.
Description
Technical Field
The utility model relates to a remove flavor technical field, concretely relates to high-efficient electric water heating device of instant-heating type graphite alkene membrane heating and phase change energy storage.
Background
The electric water heater is a water heater which heats by taking electricity as energy. Is one of three water heaters which are parallel to a gas water heater and a solar water heater. The electric water heater can be divided into three types of water storage type (also called volumetric type or heat storage type), instant heating type and instant heating type (also called semi-water storage type) according to the heating power, wherein the water storage type is the main type of the electric water heater, and can be further divided into a vertical type, a horizontal type, a floor type, a tank type and an integrated type which is designed with a bathroom cabinet in an integrated manner on the market at present according to the different installation modes. According to whether the pressure is bearing or not, the pressure-bearing type can be divided into an open type (simple type) and a closed type (pressure-bearing type), and according to the usage, the pressure-bearing type can be divided into a household type and a commercial type. According to the heating mode, the device can be divided into three types, namely magnetic energy, resistance wires, silicon tubes and the like. The electric water heater is developed for more than ten years, the technology of the water heater is continuously improved, the industry respectively has the appearance of innovative products such as an electricity-proof wall, an electricity-proof brake, 3D quick heating, frequency conversion capacity increase and the like, the electric water heater is continuously improved in the aspects of safety, convenience, heating speed, water yield and the like, certain innovation is provided, but the electric water heater heats cold water by converting electric energy into heat energy, and the energy consumption of the electric water is more and more emphasized by people along with the popularization of the electric water storage type water heater. The existing water heater mainly has the following problems: water storage formula water heater, general volume is great, needs preheat before the use, can not use the water yield that surpasss rated capacity in succession, is that the family people is many, bathes and still gets midway etc. in addition, the hot water that does not use up after washing can slowly cool off, causes the waste, and temperature heating temperature is high, easy scale deposit, and the dirt clearance is troublesome, and unclear influences the heater life again, because remaining hot water breeds the germ easily or has heavy metal pollution in the water tank, influences safety and sanitation in utilization. The instantaneous water heater has the advantages that the power is generally higher, the line requirement is high, the power is generally required to be at least more than 6KW, and the 8KW power in winter is difficult to ensure that enough hot water can be used for bathing, so the requirement on the circuit is strict, and the accidents caused by burning out the electric wire due to overload are easy to occur. The heating pipe of the existing electric water heater is mainly a heating source of an electric heating wire, and the heating of the electric heating wire is a linear heating device, so that the local temperature is high, the service life of the heating pipe is influenced, and the heating efficiency is reduced. The application of the electric water heater has many problems to be solved.
Disclosure of Invention
For the utilization ratio of electric water heater, it is big to solve electric water heater and have occupation space, and heat utilization is low, and is not energy-conserving, also has certain power consumption hidden danger simultaneously, and is unsafe, and the electric water heater commonly used is because there is the problem of thousand boiling water moreover, and the serious scheduling problem of pollution, the utility model provides a high-efficient electric water heating device of instant-heating type graphite alkene membrane heating and phase transition energy storage. The utility model discloses a realize the technical scheme that its purpose was taken: an efficient electric water heating device for instant heating type graphene film heating and phase change energy storage comprises: the water heater comprises a water heater shell, a phase-change heat storage chamber, a phase-change heat storage material, a plate heat exchanger, a graphene heating film, a heat preservation layer, an intelligent controller, a touch display screen, a temperature sensor, a water inlet pipe, a water outlet pipe and a mains supply. The high-efficiency electric water heating device main body is composed of a water heater shell, a phase-change heat storage chamber, a plate type heat exchanger and a graphene heating film, wherein a touch display screen and an intelligent controller are installed on the water heater shell, an interlayer is arranged between the water heater shell and the phase-change heat storage chamber, a heat insulation layer is arranged in the interlayer, and a heat insulation material is filled in the heat insulation layer; the phase-change regenerator is a closed space, positioning bolts are arranged at the bottom and the periphery of the phase-change regenerator, the plate heat exchanger is positioned in the middle of the phase-change regenerator and fixed on the bolts by nuts, and a cavity of the phase-change regenerator is filled with a phase-change heat storage material; the upper end and the lower end of the plate heat exchanger are respectively provided with a water inlet pipe and a water outlet pipe, the water inlet pipe is arranged at the lower part of the plate heat exchanger, the water outlet pipe is arranged at the upper part of the plate heat exchanger, two side edges of the plate heat exchanger are provided with bulges, positioning holes are arranged on the bulges, a heat exchange surface of the plate heat exchanger is provided with a graphene heating film, corners of the graphene heating film are fixed on the positioning holes of the plate heat exchanger by bolts through pressing strips, the graphene heating film is provided with leads led out of the, and is connected on an output terminal of the intelligent controller, the plate heat exchanger and the graphene heating film are both immersed in the phase-change heat storage material, a temperature sensor is arranged in the phase-change heat storage chamber and connected with an intelligent controller, the intelligent controller obtains temperature information and time of the phase-change heat storage chamber, heating or heat release of the phase-change heat storage material is determined, and heat storage and heat release recycling of the phase-change heat storage material are achieved.
The heat storage process of the phase-change heat storage material is characterized in that an intelligent controller is arranged with a clock, the intelligent controller sets the heating time of a graphene heating film, the graphene heating film is started to store heat to the phase-change heat storage material, the automatic heating working time of the graphene heating film is 22 points to 5 points in the next morning, and the valley electricity time period is mainly utilized for heating and storing the phase-change heat storage material.
Cold water heating process in the plate heat exchanger, its characterized in that plate heat exchanger's cold water flows in from plate heat exchanger's bottom by the inlet tube, because the cold water temperature is less than the phase change heat storage material temperature after the heat accumulation during through plate heat exchanger, phase change heat storage material release heat heating cold water, make the outlet pipe flow constant temperature's hot water, and simultaneously, the intelligent control ware detects the indoor temperature of phase change heat storage, if the indoor temperature of phase change heat storage reduces, the heat energy of phase change heat storage material storage is not enough to maintain hydrothermal constant temperature, the intelligent control ware starts graphite alkene heating film and carries out the auxiliary heating to hot water, flow out constant temperature's hot water until in the outlet pipe.
The plate heat exchanger is characterized in that the plate heat exchanger is a corrugated plate made of copper or stainless steel, a flow baffle plate is arranged inside the plate heat exchanger, water flow holes are formed in the flow baffle plate, the diameter of each water flow hole is phi 2-5mm, hot water can be uniformly exchanged and does not flow in a bias mode, the thickness of the plate heat exchanger is 8-10mm, a cold water pipe at the bottom end of the plate heat exchanger is connected with a tap water pipe, and a hot water pipe at the other end of the plate heat exchanger is connected with a shower and a kitchen water pipe, so that heat exchange water path circulation is formed.
Graphene heating film, its characterized in that graphene heating film is the polymer heat conduction membrane basement, compound graphite alkene heating material layer, insulating layer and chromium zirconium copper circuit are constituteed, polymer heat conduction membrane basement is the insulating layer too, compound graphite alkene heating material slurry layer is scribbled to its upper face, this slurry layer forms compound graphite alkene heating material layer promptly after being dried, compound graphite alkene heating material layer is last to have the printing to have a chromium zirconium copper circuit, the distance between every two adjacent chromium zirconium copper circuits equals, chromium zirconium copper circuit's the port of drawing forth is provided with chromium zirconium copper collector terminal, collector terminal has to draw forth the wire and is connected with intelligent control ware output terminal.
The thickness of the graphene heating film is 0.1-1mm, the power of the graphene heating film is 1.0-2.5KW, and the heating temperature is 85-95 ℃.
The intelligent controller is characterized in that the intelligent controller is a control center of the system, the intelligent controller is respectively communicated with the graphene heating film and the temperature sensor circuit, the intelligent controller is also connected with the touch display screen circuit, and the temperature of the graphene heating film is set and controlled through the touch display screen.
The heat insulation material of the heat insulation layer is at least one of polyurethane heat insulation material or heat insulation asbestos, and preferably polyurethane.
The phase change heat storage material is one of inorganic molten salt phase change heat storage materials or doped nano-aluminum wax phase change heat storage materials, preferably the inorganic molten salt phase change heat storage material, and the phase change temperature of the phase change heat storage material is 85-90 ℃.
The utility model has the advantages that:
1. the technical scheme of the utility model effectively utilizes the phase change heat storage technology, realizes that the electric energy is stored in the phase change heat storage material when the bottom of the power consumption valley is used, realizes high-efficiency energy conversion, ensures that the electric water heater does not need a water storage tank for water storage and heating, reduces the equipment cost, is safe and sanitary, does not have the phenomenon of water boiling, and is possible to cook by using hot water, and the electric water heater can be used immediately and is convenient and quick;
2. by adopting an intelligent control technology, after the heating time of the graphene heating film is set to be 22 o' clock at midnight, the phase change heat storage material is heated to store energy at the bottom of the power utilization valley, so that an energy-saving power utilization mode of power grid peak-eliminating valley leveling is realized, and the power utilization cost is saved;
3. the graphene heating film heating technology is adopted, the heating-free purpose is realized, the heating hot water is quickly switched to be uniform in heat, the heat transfer efficiency is high, and the problems that the traditional electric water heater is overhigh in local temperature, short in heat transfer efficiency and service life and easy to break down due to the fact that the traditional electric water heater is heated by a heating wire are solved;
4. the phase change heat storage and the graphene heating film are adopted for auxiliary heating, so that the superposition of two heats is realized, the input power of the instant water heater is greatly reduced, and a power supply circuit is safer;
due to the adoption of the technical scheme, thereby making the utility model provides a traditional electric water heater, occupation space is big, high energy consumption, and the water temperature is unstable, and the installation is inconvenient, and the long-term retaining of water tank is unhygienic, breaks easily and leaks the scheduling problem, has broken through the restriction condition that traditional electric water heater used, accords with energy saving and emission reduction's development strategy target.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural view of an instant-heating graphene membrane-heating and phase-change energy-storage efficient electric water heater according to the present invention;
fig. 2 is a schematic structural view of a graphene heating film of the instant graphene film heating and phase change energy storage efficient electric water heater of the present invention;
fig. 3 is a schematic structural view of a plate heat exchanger of an instant heating type graphene film heating and phase change energy storage efficient electric water heater of the present invention;
fig. 4 is a schematic diagram of a circuit structure of an instant heating type graphene film heating and phase change energy storage efficient electric water heater of the present invention;
in the figure: 1. the water heater shell, 2, the phase change regenerator, 3, the phase change heat accumulation material, 4, plate heat exchanger, 41, plate heat exchanger buckled plate, 42, keep off the flow board, 43, the water flow hole, 44, the locating hole, 5, graphite alkene heating film, 51, the polymer heat conduction membrane base, 52, compound graphite alkene heating material layer, 53, the insulating layer, 54, chromium zirconium copper circuit, 55, chromium zirconium copper collecting electrode terminal, 6, the heat preservation, 7, the intelligent control ware, 8, touch display screen, 9, temperature sensor, 10, the inlet tube, 11, the outlet pipe, 12, mains supply.
Detailed Description
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the utility model relates to an instant heating type graphite alkene membrane heating and high-efficient electric water heater of phase change energy storage, include: water heater shell 1, phase change regenerator 2, phase change heat storage material 3, plate heat exchanger 4, graphite alkene heating film 5, heat preservation 6, intelligent control ware 7, touch display screen 8, temperature sensor 9, inlet tube 10, outlet pipe 11 and mains supply 12. The high-efficiency electric water heating device main body is composed of a water heater shell 1, a phase-change heat storage chamber 2, a plate type heat exchanger 3 and a graphene heating film 4, wherein a touch display screen 8 and an intelligent controller 7 are installed on the water heater shell 1, an interlayer is arranged between the water heater shell 1 and the phase-change heat storage chamber 2, a heat insulation layer 6 is arranged in the interlayer, and heat insulation materials are filled in the heat insulation layer 6; the phase-change regenerator 2 is a closed space, positioning bolts are arranged at the bottom and the periphery of the phase-change regenerator 2, the plate heat exchanger 4 is positioned in the middle of the phase-change regenerator 2 and fixed on the bolts by nuts, and a cavity of the phase-change regenerator 2 is filled with a phase-change heat storage material 3; the upper end and the lower end of the plate heat exchanger 4 are respectively provided with a water inlet pipe 10 and a water outlet pipe 11, the water inlet pipe 10 is arranged at the lower part of the plate heat exchanger 4, the water outlet pipe 11 is arranged at the upper part of the plate heat exchanger 4, two side edges of the plate heat exchanger 4 are provided with bulges, the bulges are provided with positioning holes 44, a heat exchange surface of the plate heat exchanger 4 is provided with a graphene heating film 5, corners of the graphene heating film 5 are fixed on the positioning holes 44 of the plate heat exchanger 4 through pressing strips by bolts, the graphene heating film 5 is led out of the phase-change regenerator 2 through leads and is connected onto an output connecting terminal of the intelligent controller 7, the plate heat exchanger 4 and the graphene heating film 5 are both immersed in the phase-change heat storage material 3, the phase-change heat storage chamber 2 is internally provided with a temperature sensor 9 and is connected with the intelligent controller 7, the intelligent controller 7 obtains, the cyclic utilization of heat storage and heat release of the phase change heat storage material 3 is realized.
The heat storage process of the phase-change heat storage material 3 is characterized in that the intelligent controller 7 is provided with a clock, the intelligent controller 7 sets the heating time of the graphene heating film 5, the graphene heating film 5 is started to store heat for the phase-change heat storage material 3, the automatic heating working time of the graphene heating film 5 is 22 points to 5 points in the next morning, and the valley electricity time period is mainly utilized for heating and storing the phase-change heat storage material.
Cold water heating process in plate heat exchanger 4, its characterized in that plate heat exchanger 4's cold water flows in from plate heat exchanger 4's bottom by inlet tube 10, because the cold water temperature is less than the 3 temperatures of phase change heat storage material after the heat accumulation when plate heat exchanger 4 is passed through, 3 heat heating cold water of phase change heat storage material release, make outlet pipe flow 11 go out the hot water of constant temperature, and simultaneously, intelligent control ware 7 detects the temperature in the phase change heat storage chamber 2, if the temperature reduces in the phase change heat storage chamber 2, the heat energy of phase change heat storage material 3 storage is not enough to maintain hydrothermal constant temperature, intelligent control ware 7 starts graphite alkene heating film 5 and carries out the auxiliary heating to hot water, until flowing out constant temperature's hot water in the outlet pipe.
The plate heat exchanger is characterized in that the plate heat exchanger 4 is a corrugated plate 41 made of copper or stainless steel, a flow baffle plate 42 is arranged inside the plate heat exchanger 4, a water flow hole 43 is formed in the flow baffle plate 42, the aperture of the water flow hole 43 is phi 2-5mm, hot water can be uniformly exchanged heat and does not flow bias, the thickness of the plate heat exchanger 4 is 8-10mm, a cold water pipe at the bottom end of the plate heat exchanger 4 is connected with a tap water pipe, and a hot water pipe at the other end is connected with a shower and a kitchen water pipe, so that heat exchange water path circulation is formed.
The graphene heating film is characterized in that the graphene heating film 5 is composed of a high-molecular heat-conducting film substrate 51, a composite graphene heating material layer 52, an insulating layer 53 and a chromium-zirconium-copper circuit 54, the high-molecular heat-conducting film substrate 52 is also an insulating layer, a composite graphene heating material slurry layer is coated on the high-molecular heat-conducting film substrate, the composite graphene heating material slurry layer is dried to form the composite graphene heating material layer 52, the composite graphene heating material layer 52 is printed with the chromium-zirconium-copper circuit 53, the distance between every two adjacent chromium-zirconium-copper circuits 53 is equal, a chromium-zirconium-copper collector terminal 54 is arranged at a leading-out port of the chromium-zirconium-copper circuit 53, and a leading-out lead of the collector terminal 54 is connected with an output terminal of the intelligent controller 7.
The thickness of the graphene heating film 5 is 0.1-1mm, the power of the graphene heating film 5 is 1.5-2.5KW, and the heating temperature is 85-95 ℃.
The intelligent controller is characterized in that the intelligent controller 7 is a control center of the system, the intelligent controller 7 is respectively communicated with the graphene heating film 5 and the temperature sensor 9 through circuits, the intelligent controller 7 is further connected with the touch display screen 8 through circuits, and the temperature of the graphene heating film 5 is set and controlled through the touch display screen 8.
The preferable heat insulation material of the heat insulation layer 6 is at least one of polyurethane heat insulation material or heat insulation asbestos.
The preferable phase-change heat storage material 3 is one of an inorganic molten salt phase-change heat storage material or a doped nano-aluminum wax phase-change heat storage material, and the phase-change temperature of the phase-change heat storage material 3 is 85-90 ℃.
Examples
Starting the first step thermal device and setting relevant parameters
The high-efficiency electric water heating device of the utility model is installed, the commercial power supply 12 is connected, the intelligent controller 7 is started, the control chip of the intelligent controller 7 in the embodiment adopts an ARM core 32-digit Cortex-M3 processor, the working frequency is 72MHz, the intelligent controller 7 starts the touch display screen 8, the hot water outlet temperature is set on the touch display screen 8, the hot water outlet temperature of the embodiment is 42 ℃, the energy storage working time of the graphene heating film 5 is set to be 22:00-5:00, the upper limit of the working temperature of the graphene heating film 5 is 95 ℃, and the random auxiliary heating temperature of the graphene heating film 5 is set to be 55 ℃ (that is, when the temperature in the phase-change heat storage chamber 2 is lower than 55 ℃ in the use process of the hot water device, the intelligent controller 7 randomly starts the graphene heating film 5 to perform auxiliary heating), the real-time temperature of the phase-change heat storage chamber 2 is checked, and the instant temperature of the phase-change heat storage chamber 2 of the embodiment is 28 ℃.
Second step phase change energy storage
After the efficient electric water heating device 7 is set, the valley power waiting time is set, 22:00 nights, the working point of the intelligent controller 7 is started, the graphene heating film 5 is conducted, the graphene heating film 5 heats the phase-change heat storage material 3 to store heat, the phase-change heat storage material 3 changes phase with the increase of heat energy, the phase-change temperature of the phase-change heat storage material 3 is 90 ℃, the temperature of the phase-change heat storage room starts to rise at 2 ℃ after the phase-change heat storage material 3 is completely changed phase, when the temperature of the phase-change heat storage room reaches 95 ℃, the intelligent controller 7 stops the work of the graphene heating film 5, and the heat storage of the phase-change heat storage material 3.
Third step of hot water heat exchange
After the phase change heat storage of high-efficient electric water heating device is accomplished, begin to carry out the hot water heat transfer, open cold water inlet tube 10 valve, cold water advances and gets into plate heat exchanger 4, cold water upwards flows step by step through the rivers hole 43 that keep off the flow board 42, cold water carries out the heat transfer through the heat-transfer surface of plate heat exchanger 4 and the outer high temperature phase change heat storage material 3 of board at the flow in-process, hot water flows from the outlet pipe, hot water temperature's height can be through adjusting hot water play water valve control hot water flow size to satisfy the hot water demand. If the demand of hot water is large (namely, the heat exchanged by cold water is larger than the heat stored by the phase-change heat storage material), the heat released by the phase-change heat storage material 3 is not enough to maintain the temperature of the hot water, and when the temperature in the phase-change heat storage chamber 2 is lower than 55 ℃ (the experimental data of the embodiment shows that the temperature of the hot water in the phase-change heat storage chamber 2 is lower than 55 ℃ and the water flow speed is 0.8 m/s, the temperature of the hot water outlet is 38 ℃), the intelligent controller 7 starts the graphene heating film 5 to work, and the graphene heating film 5 heats the low-temperature hot water to assist in heating, so that the temperature of the hot.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the features of the present invention and to implement the same, so as not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention shall be covered by the protection scope of the present invention.
Claims (8)
1. An efficient electric water heating device for instant heating type graphene film heating and phase change energy storage comprises: the device comprises a water heater shell, a phase-change heat storage chamber, a phase-change heat storage material, a plate heat exchanger, a graphene heating film, a heat insulation layer, an intelligent controller, a touch display screen, a temperature sensor, a water inlet pipe, a water outlet pipe and a mains supply; the efficient electric water heating device is characterized in that a main body of the efficient electric water heating device comprises a water heater shell, a phase-change heat storage chamber, a plate heat exchanger and a graphene heating film, wherein a touch display screen and an intelligent controller are installed on the water heater shell;
the phase-change regenerator is a closed space, positioning bolts are arranged at the bottom and the periphery of the phase-change regenerator, the plate heat exchanger is positioned in the middle of the phase-change regenerator and fixed on the bolts by nuts, and a cavity of the phase-change regenerator is filled with a phase-change heat storage material;
the upper end and the lower end of the plate heat exchanger are respectively provided with a water inlet pipe and a water outlet pipe, the water inlet pipe is arranged at the lower part of the plate heat exchanger, the water outlet pipe is arranged at the upper part of the plate heat exchanger, two side edges of the plate heat exchanger are provided with bulges, positioning holes are arranged on the bulges, a heat exchange surface of the plate heat exchanger is provided with a graphene heating film, corners of the graphene heating film are fixed on the positioning holes of the plate heat exchanger by bolts through pressing strips, the graphene heating film is provided with leads led out of the, and is connected on an output terminal of the intelligent controller, the plate heat exchanger and the graphene heating film are both immersed in the phase-change heat storage material, a temperature sensor is arranged in the phase-change heat storage chamber and connected with an intelligent controller, the intelligent controller obtains temperature information and time of the phase-change heat storage chamber, heating or heat release of the phase-change heat storage material is determined, and heat storage and heat release recycling of the phase-change heat storage material are achieved.
2. The efficient electric water heating device for instant heating type graphene film heating and phase change energy storage according to claim 1, wherein the intelligent controller is provided with a clock, the intelligent controller sets the heating time of the graphene heating film, the graphene heating film is started to heat the phase change heat storage material, and the automatic heating operation time of the graphene heating film is 22:00 to the next morning 5:00, the phase change heat storage material is heated and stored energy mainly in a valley power time period.
3. The efficient electric water heater according to claim 1, wherein the plate heat exchanger is a corrugated plate made of copper or stainless steel, a flow baffle is disposed inside the plate heat exchanger, a water flow hole is disposed on the flow baffle, the diameter of the water flow hole is phi 2-5mm, so that the hot water can exchange heat uniformly without flowing, the thickness of the plate heat exchanger is 8-10mm, a cold water pipe at the bottom end of the plate heat exchanger is connected to a tap water pipe, and a hot water pipe at the other end is connected to both a shower and a kitchen water pipe, thereby forming a heat exchange water circuit cycle.
4. The efficient electric water heating device capable of realizing instant heating through the graphene membrane and storing energy in the phase change manner according to claim 1 or 3, wherein in the cold water heating process in the plate heat exchanger, cold water in the plate heat exchanger flows in from the bottom of the plate heat exchanger through the water inlet pipe, and when the cold water passes through the plate heat exchanger, because the temperature of the cold water is lower than that of the phase change heat storage material after heat storage, the phase change heat storage material releases heat to heat the cold water, so that hot water with constant temperature flows out of the water outlet pipe, meanwhile, the intelligent controller detects the temperature in the phase change heat storage chamber, if the temperature in the phase change heat storage chamber is reduced, the heat energy stored in the phase change heat storage material is not enough to maintain the constant temperature of the hot water, and the intelligent controller starts the graphene heating.
5. The efficient electric water heating device for heating of the instant graphene film and energy storage through phase change according to claim 1, wherein the graphene heating film comprises a high-molecular heat-conducting film substrate, a composite graphene heating material layer, an insulating layer and a chromium-zirconium-copper circuit, the high-molecular heat-conducting film substrate is also the insulating layer, a composite graphene heating material slurry layer is coated on the high-molecular heat-conducting film substrate, the composite graphene heating material layer is formed after drying of the slurry layer, the composite graphene heating material layer is printed with the chromium-zirconium-copper circuit, the distance between every two adjacent chromium-zirconium-copper circuits is equal, a chromium-zirconium-copper collector terminal is arranged at an outlet of the chromium-zirconium-copper circuit, and a lead wire is connected with an output terminal of the intelligent controller.
6. The efficient electric water heating device for heating by the instant graphene film and storing energy through phase change as claimed in claim 1 or 5, wherein the thickness of the graphene heating film is 0.1-1mm, the power of the graphene heating film is 1.0-2.5KW, and the heating temperature is 85-95 ℃.
7. The efficient electric water heating device for instant heating type graphene film heating and phase change energy storage according to claim 1, wherein the intelligent controller is a control center of the system, the intelligent controller is respectively communicated with the graphene heating film and the temperature sensor circuit, the intelligent controller is further connected with the touch display screen circuit, and the temperature of the graphene heating film is set and controlled through the touch display screen.
8. The efficient electric water heater according to claim 1, wherein the phase change heat storage material is one of an inorganic fused salt phase change heat storage material or a doped nano-alumina wax phase change heat storage material, and the phase change temperature of the phase change heat storage material is 85-90 ℃.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920542413.0U CN210035849U (en) | 2019-04-21 | 2019-04-21 | Efficient electric water heating device for instant heating type graphene membrane heating and phase change energy storage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920542413.0U CN210035849U (en) | 2019-04-21 | 2019-04-21 | Efficient electric water heating device for instant heating type graphene membrane heating and phase change energy storage |
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| CN210035849U true CN210035849U (en) | 2020-02-07 |
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| CN201920542413.0U Active CN210035849U (en) | 2019-04-21 | 2019-04-21 | Efficient electric water heating device for instant heating type graphene membrane heating and phase change energy storage |
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