CN102538179A - Photovoltaic electromagnetic induction water heater - Google Patents

Photovoltaic electromagnetic induction water heater Download PDF

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Publication number
CN102538179A
CN102538179A CN2012100062598A CN201210006259A CN102538179A CN 102538179 A CN102538179 A CN 102538179A CN 2012100062598 A CN2012100062598 A CN 2012100062598A CN 201210006259 A CN201210006259 A CN 201210006259A CN 102538179 A CN102538179 A CN 102538179A
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CN
China
Prior art keywords
water heater
induction coil
water storage
electromagnetic induction
heat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2012100062598A
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Chinese (zh)
Inventor
樊永华
伽略特·斯蒂芬·威廉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIAETE STEPHEN WILLIAM
Original Assignee
JIAETE STEPHEN WILLIAM
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JIAETE STEPHEN WILLIAM filed Critical JIAETE STEPHEN WILLIAM
Priority to CN2012100062598A priority Critical patent/CN102538179A/en
Publication of CN102538179A publication Critical patent/CN102538179A/en
Priority to PCT/CN2012/001681 priority patent/WO2013104095A1/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/02Induction heating
    • H05B6/10Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/105Induction heating apparatus, other than furnaces, for specific applications using a susceptor
    • H05B6/108Induction heating apparatus, other than furnaces, for specific applications using a susceptor for heating a fluid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/18Water-storage heaters
    • F24H1/185Water-storage heaters using electric energy supply
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/18Arrangement or mounting of grates or heating means
    • F24H9/1809Arrangement or mounting of grates or heating means for water heaters
    • F24H9/1818Arrangement or mounting of electric heating means
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/40Thermal components
    • H02S40/44Means to utilise heat energy, e.g. hybrid systems producing warm water and electricity at the same time
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00Heat sources or energy sources
    • F24D2200/02Photovoltaic energy
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00Heat sources or energy sources
    • F24D2200/08Electric heater
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/60Thermal-PV hybrids

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

The invention relates to a photovoltaic electromagnetic induction water heater, which comprises a photoelectric conversion system and a water storage barrel of the water heater. The water storage barrel of the water heater is provided with an energy input device, the photoelectric conversion system is connected with the water storage barrel of the water heater by the energy input device and is an array consisting of a plurality of solar silicon cell modules, the energy input device consists of a heat conduction layer, an insulating layer, an induction coil and a control system, the heat conduction layer is made of magnetic metal materials, one side of the heat conduction layer contacts with water in the water storage barrel of the water heater, the other side of the heat conduction layer is connected with the insulating layer, the induction coil and the control system, the insulating layer is arranged between the heat conduction layer and the induction coil, and the control system is respectively connected with the photoelectric conversion system and the induction coil and provides electric energy for the induction coil to generate an alternating magnetic field. The photovoltaic electromagnetic induction water heater has the advantages that a photovoltaic electromagnetic induction heating mode replaces an existing heating means, the insulating layer is arranged between the induction coil and the heat conduction layer, probable electric leakage is avoided, heat loss is reduced, and the water heater is high-efficiency and safe.

Description

Photovoltaic electromagnetic induction heat hydrophone
Technical field
The present invention relates to a kind of water heater, especially a kind of photovoltaic electromagnetic induction heat hydrophone.
Background technology
The hot water energy accounts for the 25-35% that home energy source consumes; Existing water heater has four types: one type is city electricity power supply; Utilize electric heater for heating; So-called electric heating tube is the electrothermal device that a kind of resistance wire adds insulating barrier and stainless steel sleeve pipe, when the generation electric heating tube breaks, is prone to personnel's electric shock accidents.Another kind of is solar energy glass vacuum pipe water heater, utilizes vacuum tube to obtain solar radiant energy, drives hot water to water tank heat preserving with gravity flow or circulating pump; Be equipped with the electric heating tube assistant heating, wherein a is vacuum tube and water tank integral type, is arranged in the roof; Its shortcoming is that thermal loss is big, especially need use electrical heat tracing in winter, prevents to freeze; Also having a is that pressure-bearing is split type, with the water tank heat preserving on circulating pump driving hot water to ground, except circulating pump additive decrementation electric energy; The hot water whole day circulates in pipeline, and great amount of heat energy is loss in flowing.The 3rd type is flat casing water-heater; Its principle is the metal tube of layout surface blackout in a square chest; Cover glass above the square chest absorbs solar radiation and adds hot water, and drives the water tank on hot water thermal insulating to ground with circulating pump; Its shortcoming is identical with the split type water heater of above-mentioned solar energy glass vacuum pipe pressure-bearing, and often leaks.Also having one type is Teat pump boiler, with being similar to compressor of air conditioner, utilizes heat pump principle to heat, and its weak point can only heat water temperature to 60 degree, does not reach more than desired sterilization temperature 70 degree of health, and can't use owing to the off-premises station frosting at cold district.
Summary of the invention
For remedying the shortcoming of being mentioned in the above-mentioned prior art: security is low, thermal loss, do not reach hygienic requirements etc., the invention provides a kind of photovoltaic electromagnetic induction heat hydrophone.
Concrete technical scheme is following:
Photovoltaic electromagnetic induction heat hydrophone; Comprise photo-translating system, be provided with the water heater water storage cylindrical shell of energy input devices; Photo-translating system is connected with water heater water storage cylindrical shell through energy input devices; Photo-translating system is the array of being made up of a plurality of silicon solar cell modules, and energy input devices comprises heat-conducting layer, insulating barrier, induction coil and the control system that ferromagnetic metal material is processed, and this heat-conducting layer one side contacts with the water in the water storage cylindrical shell; Opposite side connects insulating barrier, induction coil and control system; Insulating barrier is arranged between heat-conducting layer and the induction coil, and the control system is connected with photo-translating system, induction coil respectively, for induction coil provides alternating magnetic field required electric energy.
Further, said heat-conducting layer is a water heater water storage cylindrical shell.
Further, said energy input devices is arranged at water heater water storage cylinder body side surface or bottom.
Further, the changeable external power supply of said control system.
Further, said external power supply is supplied 50 hertz or 60 hz ac by the city electricity.
Further, said control system comprises a power device IGBT.
Further, said energy input devices comprises a cooling water pipe, and water heater water storage cylindrical shell is inserted at the cooling water pipe two ends, and cooling water pipe is positioned at the external side sections of water heater water storage cylinder and contacts with IGBT in the control system.
Further, the joint face of said heat-conducting layer and insulating barrier and induction coil, it is shaped as curved surface, plane or sphere.
Beneficial effect of the present invention is: replace conventional electric heating, solar energy glass vacuum pipe, flat casing water-heater and heat pump with the photovoltaic electromagnetic induction heating, improve security, reduce thermal loss, water temperature is heated to more than 70 degree of hygienic requirements.And the present invention further is provided with an insulating barrier 5 at photovoltaic electromagnetic induction heat water heater water-storage cylindrical shell 6 and 4 of induction coils, prevents that the unexpected damaged back of induction coil 4 insulating barriers high voltage from touching water heater water storage cylindrical shell 6 and even water, guarantees personal safety.In addition; Photovoltaic electromagnetic induction heat hydrophone also is provided with a cooling water pipe 2, and this cooling water pipe 2 utilizes water heater water storage cylindrical shell 6 low side cold water with the device IGBT on the cooling control system 3, has both guaranteed the operating temperature of IGBT; Reclaim the heat of IGBT again, improved heat energy efficiency.
Description of drawings
Fig. 1 is the sketch map of first embodiment of the invention, comprises that general arrangement Figure 10, forward sight are amplified Figure 11, Figure 12 is amplified in blast and amplification Figure 13 is looked on the right side.
Fig. 2 is the sketch map of second embodiment of the invention, and forward sight is amplified Figure 21, Figure 22 is amplified in blast and amplification Figure 23 is looked on the right side.
Fig. 3 is the sketch map of third embodiment of the invention, and forward sight is amplified Figure 31, Figure 32 is amplified in blast and amplification Figure 33 is looked on the right side.
Fig. 4 is the sketch map of fourth embodiment of the invention, comprises that general arrangement Figure 40, forward sight are amplified Figure 41, Figure 42 is amplified in blast.
Fig. 5 is the sketch map of fifth embodiment of the invention, comprises that forward sight is amplified Figure 51, Figure 52 is amplified in blast.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described further.
Be illustrated in figure 1 as the sketch map of first embodiment of the invention; Figure 10 is the General Arrangement of photovoltaic electromagnetic induction heat hydrophone; This photovoltaic electromagnetic induction heat hydrophone comprises photo-translating system 1, external power supply 7 and the heat-conducting layer of energy input devices is installed that heat-conducting layer is water heater water storage cylindrical shell 6 in the present embodiment.Photo-translating system 1 can be the array of being made up of a plurality of silicon solar cell modules; Be arranged at the place that roof or sunlight can shine; With conversion of solar energy is required electric energy; And output DC, photo-translating system 1 output voltage is DC 319V ± 10% in the present embodiment, perhaps DC 159V ± 10%.Photovoltaic electromagnetic induction heat hydrophone comprises the required common components of existing water heaters such as water inlet pipe and water outlet pipe, temperature control (not identifying among the figure).Photovoltaic electromagnetic induction heat hydrophone passes through energy input devices and photo-translating system 1 and 7 changeable connections of external power supply, required electric energy when heating to obtain water.The said external power supply of present embodiment can be 7 power supply sources of city electricity, that is, the alternating current of 50 hertz or 60 hertz, the dc voltage that the said photo-translating system 1 of the voltage after rectification and aforementioned present embodiment is exported is suitable, but not as limit.Under most weather conditions, photo-translating system 1 produces electric energy satisfying domestic hot water's needs, and when overcast and rainy, then switches city electricity assistant heating continuous.The photo-translating system 1 that the present invention adopts can be carried out the low-loss electric power of longer distance and carried, for example 100 meters can be not lossy, and the solar energy glass vacuum pipe water heater of mentioning in the background technology is delivered to water tank heat preserving with circulating pump with water, thermal loss is very big.
Like Figure 11,12, shown in 13, be the concrete structure of aforementioned energy input devices, this structure comprises water heater water storage cylindrical shell 6, insulating barrier 5, induction coil 4 and the control system 3 of a curved surface.Control system 3 comprises the input and the power device IGBT of a changeable external power supply 7; Induction coil 4 produces alternating magnetic field as primary coil; Water heater water storage cylindrical shell 6 is as secondary coil, and alternating magnetic field changes into heat energy and transmits feedwater with vortex flow and magnetic hysteresis mode in water heater water storage cylindrical shell 6 inside.And insulating barrier 5 is arranged between induction coil 4 and the water heater water storage cylindrical shell 6; Be used to intercept induction coil 4 and water heater water storage cylindrical shell 6; Guarantee that the unexpected damaged back of induction coil 4 insulating barriers high voltage can not touch water heater water storage cylindrical shell 6, so water, guarantee personal safety.And the direct current that aforementioned lights power conversion system 1 is provided is also very favourable for the operating mode of IGBT.
This photovoltaic electromagnetic induction heat hydrophone also further is provided with a cooling water pipe 2, to draw water heater water storage cylindrical shell 6 bottom lower temperature water, in order to cooling IGBT; These cooling water pipe 2 two ends penetrate respectively in the water heater water storage cylindrical shell 6 in order to guide cooling water; And be furnished with the suitable seal device, and cooling water pipe 2 is positioned at water heater water storage cylindrical shell 6 Outboard Sections and then contacts with IGBT, and the allowable work temperature of IGBT is 175 degree; Ideal temperature is below 80 degree; Water heater top water temperature is spent 70 usually, the bottom water temperature is then lower, and this cooling water pipe utilizes fluid mechanics principle to make the water self-loopa, need not to add in addition to be equipped with; Recyclable heat energy 5%, this design can make IGBT be in preferable duty.
Each parts in the aforementioned energy input devices, instant heating hydrophone water storage cylinder body 6, insulating barrier 5, induction coil 4, control system 3 and cooling water pipe 2 are provided with successively from the inside to the outside.Water heater water storage cylindrical shell 6 is a part of outer wall curved surface that said water heater water storage cylindrical shell 6 contacts with insulating barrier 5 applyings with insulating barrier 5 joint faces; All the other induction coils 4 are also for being all curved surface, further closely to amplexiform with the insulating barrier 5 that fits on the water heater water storage cylindrical shell 6.
Aforementioned energy input devices outside is provided with a case (not identifying among the figure), and International Power association waterproof, requirements such as safety and electromagnetic interference are satisfied in the design of case.
Be illustrated in figure 2 as the sketch map of second embodiment of the invention, energy input devices is like Figure 21,22, shown in 23, and 21,22 and 23 are respectively forward sight enlarged drawing, blast enlarged drawing and the right side looks enlarged drawing.
This embodiment radially is provided with an inside column type groove on the outer wall of water heater water storage cylindrical shell 6 lower ends, this column type groove floor promptly with the joint face of insulating barrier 5, is a plane, can amplexiform the insulating barrier 5 and induction coil 4 on plane, and is surplus with embodiment 1.
Be illustrated in figure 3 as the sketch map of third embodiment of the invention, energy input devices is like Figure 31,32, shown in 33, and 31,32 and 33 are respectively forward sight enlarged drawing, blast enlarged drawing and the right side looks enlarged drawing.
This embodiment radially is provided with an outside column type projection on the outer wall of water heater water storage cylindrical shell 6 lower ends, this cylindricality end face promptly with the joint face of insulating barrier 5, is a plane, can amplexiform the insulating barrier 5 and induction coil 4 on plane, and is surplus with embodiment 1.
Be illustrated in figure 4 as the sketch map of fourth embodiment of the invention, Figure 40 is the General Arrangement of photovoltaic electromagnetic induction heat hydrophone, and energy input devices is like Figure 41, shown in 42, and 41,42 are respectively forward sight enlarged drawing and blast enlarged drawing.Energy input devices is arranged at the bottom of water heater water storage cylindrical shell 6, and this device comprises that together the joint face of insulating barrier 5 is water heater water storage cylindrical shell 6, insulating barrier 5, the induction coil 4 of sphere, and is surplus with embodiment 1.
Be illustrated in figure 5 as the sketch map of fifth embodiment of the invention, energy input devices is like Figure 51, shown in 52, and 51,52 are respectively forward sight enlarged drawing and blast enlarged drawing.Energy input devices is arranged at the bottom of water heater water storage cylindrical shell 6, and this device comprises that together the joint face of insulating barrier 5 is water heater water storage cylindrical shell 6, insulating barrier 5, the induction coil 4 on plane, and is surplus with embodiment 1.
Outside the heat extraction of heat-conducting layer described in the present invention water heater water-storage cylindrical shell 6; It also can be the heat-transfer device that adds or be embedded in water heater water storage cylindrical shell 6; So that produce heat, pass to water in the water heater water storage cylindrical shell 6 to heat as secondary coil cutting variation magnetic field.
Being merely inventive embodiment in sum, is not to be used for limiting practical range of the present invention.Be that all equivalences of doing according to the content of claim of the present invention change and modification, all should be technological category of the present invention.

Claims (8)

1. photovoltaic electromagnetic induction heat hydrophone; Comprise photo-translating system, be provided with the water heater water storage cylindrical shell of energy input devices; Photo-translating system is connected with water heater water storage cylindrical shell through energy input devices, it is characterized in that, photo-translating system is the array of being made up of a plurality of silicon solar cell modules; Energy input devices comprises heat-conducting layer, insulating barrier, induction coil and the control system that ferromagnetic metal material is processed; This heat-conducting layer one side is with the contact of the water in the water storage cylindrical shell, and opposite side connects insulating barrier, induction coil and control system, and insulating barrier is arranged between heat-conducting layer and the induction coil; The control system is connected with photo-translating system, induction coil respectively, for induction coil provides alternating magnetic field required electric energy.
2. photovoltaic electromagnetic induction heat hydrophone as claimed in claim 1 is characterized in that, said heat-conducting layer is a water heater water storage cylindrical shell.
3. photovoltaic electromagnetic induction heat hydrophone as claimed in claim 1 is characterized in that said energy input devices is arranged at water heater water storage cylinder body side surface or bottom.
4. photovoltaic electromagnetic induction heat hydrophone as claimed in claim 1 is characterized in that, the changeable external power supply of said control system.
5. photovoltaic electromagnetic induction heat hydrophone as claimed in claim 1 is characterized in that, said external power supply is supplied 50 hertz or 60 hz ac by the city electricity.
6. photovoltaic electromagnetic induction heat hydrophone as claimed in claim 1 is characterized in that, said control system comprises a power device IGBT.
7. photovoltaic electromagnetic induction heat hydrophone as claimed in claim 6; It is characterized in that; Said energy input devices comprises a cooling water pipe, and water heater water storage cylindrical shell is inserted at the cooling water pipe two ends, and cooling water pipe is positioned at the external side sections of water heater water storage cylinder and contacts with IGBT in the control system.
8. according to claim 1 or claim 2 photovoltaic electromagnetic induction heat hydrophone is characterized in that, the joint face of said heat-conducting layer and insulating barrier and induction coil, and it is shaped as curved surface, plane or sphere.
CN2012100062598A 2012-01-10 2012-01-10 Photovoltaic electromagnetic induction water heater Pending CN102538179A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2012100062598A CN102538179A (en) 2012-01-10 2012-01-10 Photovoltaic electromagnetic induction water heater
PCT/CN2012/001681 WO2013104095A1 (en) 2012-01-10 2012-12-11 Photovoltaic electromagnet induction water heater

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Application Number Priority Date Filing Date Title
CN2012100062598A CN102538179A (en) 2012-01-10 2012-01-10 Photovoltaic electromagnetic induction water heater

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WO (1) WO2013104095A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013104095A1 (en) * 2012-01-10 2013-07-18 Fan Yonghua Photovoltaic electromagnet induction water heater
CN108901095A (en) * 2018-06-01 2018-11-27 刘志强 A kind of multistage photovoltaic electromagnetic induction control heating means and its application
CN112229067A (en) * 2020-10-22 2021-01-15 佛山市宏贝电气有限责任公司 Heating system of solar electromagnetic water heater
EP4253893A1 (en) * 2022-03-30 2023-10-04 Uros Ravljen A device for storage of photovoltaic energy and a method for storage of photovoltaic energy using the said device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2530259A (en) * 2014-09-16 2016-03-23 Nicholas Julian Jan Francis Macphail Induction to heat thermal storage boilers, hot water cylinders and flow boilers
CN104482648A (en) * 2014-12-17 2015-04-01 贵州黔唐电器有限责任公司 Water heater
ES1155709Y (en) * 2016-03-15 2016-07-29 Melgar Juan Conde THERMAL HEALTHWATER HOT WATER ACCUMULATOR HEATED BY A VARIABLE MAGNETIC INDUCTION SYSTEM

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JPS5723747A (en) * 1980-07-18 1982-02-08 Akio Hayama Electromagnetic bathtub
JP2000074487A (en) * 1998-08-26 2000-03-14 Inax Corp Hot water tank
CN2389318Y (en) * 1999-08-25 2000-07-26 金德奎 Electromagnetic induction water heater
CN2906441Y (en) * 2006-05-10 2007-05-30 李相文 Magnetic induction type electric water heater
CN101551157A (en) * 2008-04-02 2009-10-07 刘金根 Electromagnetic induction water storage type water heater
CN102072556A (en) * 2011-02-18 2011-05-25 刘道明 Electromagnetic water heater
CN201844538U (en) * 2010-09-21 2011-05-25 芜湖市天地电子科技有限公司 High-frequency electric water heater

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Publication number Priority date Publication date Assignee Title
JPS5723747A (en) * 1980-07-18 1982-02-08 Akio Hayama Electromagnetic bathtub
JP2000074487A (en) * 1998-08-26 2000-03-14 Inax Corp Hot water tank
CN2389318Y (en) * 1999-08-25 2000-07-26 金德奎 Electromagnetic induction water heater
CN2906441Y (en) * 2006-05-10 2007-05-30 李相文 Magnetic induction type electric water heater
CN101551157A (en) * 2008-04-02 2009-10-07 刘金根 Electromagnetic induction water storage type water heater
CN201844538U (en) * 2010-09-21 2011-05-25 芜湖市天地电子科技有限公司 High-frequency electric water heater
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013104095A1 (en) * 2012-01-10 2013-07-18 Fan Yonghua Photovoltaic electromagnet induction water heater
CN108901095A (en) * 2018-06-01 2018-11-27 刘志强 A kind of multistage photovoltaic electromagnetic induction control heating means and its application
CN108901095B (en) * 2018-06-01 2021-12-10 刘志强 Multistage photovoltaic electromagnetic induction control heating method and application thereof
CN112229067A (en) * 2020-10-22 2021-01-15 佛山市宏贝电气有限责任公司 Heating system of solar electromagnetic water heater
EP4253893A1 (en) * 2022-03-30 2023-10-04 Uros Ravljen A device for storage of photovoltaic energy and a method for storage of photovoltaic energy using the said device

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