CN101813378B - Method for modifying general gas engine or electric water heater into solar water heater - Google Patents

Method for modifying general gas engine or electric water heater into solar water heater Download PDF

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Publication number
CN101813378B
CN101813378B CN2010101546448A CN201010154644A CN101813378B CN 101813378 B CN101813378 B CN 101813378B CN 2010101546448 A CN2010101546448 A CN 2010101546448A CN 201010154644 A CN201010154644 A CN 201010154644A CN 101813378 B CN101813378 B CN 101813378B
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CN
China
Prior art keywords
water
solar
water heater
heater
heat
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Expired - Fee Related
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CN2010101546448A
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Chinese (zh)
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CN101813378A (en
Inventor
郑克汀
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SHANGHAI JITE INDUSTRIAL Co Ltd
Shanghai Jite Enterprise Co Ltd
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SHANGHAI JITE INDUSTRIAL Co Ltd
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Priority to CN2010101546448A priority Critical patent/CN101813378B/en
Priority to US12/816,387 priority patent/US8375934B2/en
Publication of CN101813378A publication Critical patent/CN101813378A/en
Priority to PCT/CN2010/076528 priority patent/WO2011134222A1/en
Priority to AU2010352496A priority patent/AU2010352496A1/en
Priority to MX2012012584A priority patent/MX2012012584A/en
Application granted granted Critical
Publication of CN101813378B publication Critical patent/CN101813378B/en
Expired - Fee Related legal-status Critical Current
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    • 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
    • F24D19/00Details
    • F24D19/10Arrangement or mounting of control or safety devices
    • F24D19/1006Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1051Arrangement or mounting of control or safety devices for water heating systems for domestic hot water
    • F24D19/1057Arrangement or mounting of control or safety devices for water heating systems for domestic hot water the system uses solar 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
    • F24D17/00Domestic hot-water supply systems
    • F24D17/0036Domestic hot-water supply systems with combination of different kinds of heating means
    • F24D17/0063Domestic hot-water supply systems with combination of different kinds of heating means solar energy and conventional heaters
    • F24D17/0068Domestic hot-water supply systems with combination of different kinds of heating means solar energy and conventional heaters with accumulation of the heated water
    • 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
    • F24H15/00Control of fluid heaters
    • F24H15/10Control of fluid heaters characterised by the purpose of the control
    • F24H15/128Preventing overheating
    • 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
    • F24H15/00Control of fluid heaters
    • F24H15/10Control of fluid heaters characterised by the purpose of the control
    • F24H15/136Defrosting or de-icing; Preventing freezing
    • 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
    • F24H15/00Control of fluid heaters
    • F24H15/10Control of fluid heaters characterised by the purpose of the control
    • F24H15/184Preventing harm to users from exposure to heated water, e.g. scalding
    • 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
    • F24H15/00Control of fluid heaters
    • F24H15/20Control of fluid heaters characterised by control inputs
    • F24H15/212Temperature of the water
    • 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
    • F24H15/00Control of fluid heaters
    • F24H15/20Control of fluid heaters characterised by control inputs
    • F24H15/212Temperature of the water
    • F24H15/219Temperature of the water after heating
    • 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
    • F24H15/00Control of fluid heaters
    • F24H15/20Control of fluid heaters characterised by control inputs
    • F24H15/212Temperature of the water
    • F24H15/223Temperature of the water in the water storage tank
    • 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
    • F24H15/00Control of fluid heaters
    • F24H15/30Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/335Control of pumps, e.g. on-off control
    • 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
    • F24H15/00Control of fluid heaters
    • F24H15/30Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/355Control of heat-generating means in heaters
    • F24H15/36Control of heat-generating means in heaters of burners
    • 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
    • F24H15/00Control of fluid heaters
    • F24H15/30Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/355Control of heat-generating means in heaters
    • F24H15/37Control of heat-generating means in heaters of electric heaters
    • 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
    • F24D2200/04Gas or oil fired boiler
    • 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
    • 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
    • F24D2200/14Solar 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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/20Solar thermal
    • 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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/70Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies

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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)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)

Abstract

The invention discloses a method for modifying a general gas engine or an electric water heater into a solar water heater, comprising the following steps: adding two tee joints for an original water heater; adding a solar thermal cycle loop for the original water heater; adding a temperature sensor for the original water heater; and adding a computer controller for the original water heater. In the modification method of the invention, the solar thermal cycle loop comprises a first manual ball valve, a solar water circulating pump, a solar thermal collector, a temperature/pressure valve, a vacuum valve, a thermal cycle check valve and a second manual ball valve which are successively connected; and the computer controller comprises a related software system and a related hardware system, the modified solar water heater is automatically controlled to enable solar to be maximally utilized so as to heat water in a heating water storage bucket, while the traditional fuel gas or electrical energy carried by the original water heater only can be utilized when solar can not satisfy to heat water to the required temperature.

Description

Utilize general gas or electric heater to repack the method for solar water heater into
Technical field
The present invention relates to solar energy green energy resource application, be specifically related to a kind of method of utilizing family, the commercial combustion gas of generally using or electric heater to repack solar water heater into.
Technical background
Solar energy is inexhaustible green energy resource.Utilize the hot water and the heating system of solar energy and average family, commerce and enterprise as much as possible, can greatly reduce use, to reach the target of energy-saving and emission-reduction and minimizing global greenhouse effect traditional energy.
At present the most frequently used common water heater overwhelming majority is to be acted as a fuel by combustion gas in family, commerce and the enterprise of countries such as Europe, the United States, and small part is used the electric energy heating water heater, all has one in the garage of common family in country of Europe, the United States.This water heater has an enclosed pressure bearing stored bucket and directly is connected with cold water inlet.This combustion gas or electric heater progressively are being applied to the family of China, commercial hot-water heating system along with the development that Chinese foreign exchanges.These combustion gas () water heater consumption all be non-renewable energy resources, if things go on like this to energy-saving and emission-reduction with to reduce global greenhouse effect very unfavorable.Therefore demand a kind of method that can utilize these water heaters that are used in a large number to repack solar water heater into urgently, to use green energy resource, energy-saving and emission-reduction, protection environment.
Summary of the invention
The invention solves the problem that water heater mainly uses combustion gas and electrical heating traditional energy that has now, a kind of method of utilizing general gas or electric heater to repack solar water heater into is provided, it can make original hot water supply system can utilize this green energy resource of solar energy fully, thereby has saved the non-renewable energy resources that need consume originally greatly.
Realize that the above-mentioned purpose technical scheme is: a kind of method of utilizing general gas or electric heater to repack solar water heater into may further comprise the steps at least:
Increase the step of two threeways for former water heater, promptly between the bottom blow valve hole of former water heater water butt and discharging valve, increase a pipeline and first threeway is installed on this pipeline, the outlet of this first threeway is as the water inlet of solar heat circulation loop, and increase by second threeway on the cold water inlet of former water heater water butt, the inlet of this second threeway is as the delivery port of solar heat circulation loop;
Increase the step of solar heat circulation loop for former water heater, promptly increase the solar heat circulation loop between described water inlet and delivery port, this solar heat circulation loop comprises first manual ball valve, solar energy water circulating pump, solar thermal collector, heat collector temperature/pressure valve, thermal cycle check-valves and second manual ball valve that connects successively;
The step of increasing temperature sensor for former water heater is promptly at the output of described solar thermal collector, increase by first temperature sensor, second temperature sensor and three-temperature sensor respectively in the bottom blow valve hole of former water heater water butt and the hot water outlet of former water heater water butt;
Increase the step of computer control for former water heater, this computer control is electrically connected with described solar energy water circulating pump and described first temperature sensor, second temperature sensor and three-temperature sensor respectively.
Above-mentioned utilize general gas or electric heater repack the method for solar water heater into, wherein, described solar thermal collector is the vacuum heat-pipe heat collector, it comprises a thermal-arrest connecting tube and a plurality of vacuum heat collection pipe, described thermal-arrest connecting tube is communicated with described solar heat circulation loop, its length direction is offered a plurality of jacks uniformly at intervals, is inserted with a spile in these jacks respectively hermetically, the upper end closed of this spile and lower ending opening; Described a plurality of vacuum heat collection pipe comprises respectively and is used to absorb heat and heat insulation vacuum tube and the heat pipe that is used to conduct heat that is inserted in vacuum pipe inner cavity central authorities, heat pipe in the vacuum heat collection pipe is plugged in the spile, so that the recirculated water by solar thermal collector only flows into described thermal-arrest connecting tube and do not flow in the described vacuum heat collection pipe.
Above-mentioned utilize general gas or electric heater repack the method for solar water heater into, and wherein, described thermal-arrest connecting tube and spile are copper pipe or stainless steel tube, and the outside of described thermal-arrest connecting tube is coated with insulating barrier.
Above-mentioned utilize general gas or electric heater repack the method for solar water heater into, and wherein, described solar heat circulation loop also comprises the vacuum valve that is connected between described heat collector temperature/pressure valve and the described thermal cycle check-valves.
Above-mentioned utilize general gas or electric heater repack the method for solar water heater into, wherein, described method also comprises the step that increases cold water check-valves, thermostatic valve and hot water circulating pump to former water heater, promptly on the described cold water inlet of former water heater, increase the cold water check-valves, increase thermostatic valve and hot water circulating pump on the hot water delivery pipe of former water heater water butt, this hot water circulating pump is electrically connected with described computer control.
Above-mentioned utilize general gas or electric heater repack the method for solar water heater into, wherein, the major control function of described computer control comprises: based on the using energy source of solar energy resources, promptly under the enough situation of solar energy resources, do not use any conventional energy resource heat cycles water, only when solar energy is not enough, start the combustion heater of former water heater or electric heater as supplementary energy heat cycles water; The water temperature of control solar water heater; The protection of solar thermal collector maximum temperature; The solar thermal collector freezing prevention protection; The control of water butt maximum temperature; Water butt is refrigerating function again; System is Celsius to show conversion with Fahrenheit temperature; Water butt automatic sterilizing function; Water heater hot-water output hot water temperature control; The water butt overtemperature protection; The function manual adjustments of control system and the cryptoguard of control system.
Above-mentioned utilize general gas or electric heater repack the method for solar water heater into, wherein, the combustion heater of described former water heater as supplementary energy or the startup of electric heater and close can be by the temperature control system control of former water heater also can be by described computer control controls.
The technical scheme of utilizing general gas or electric heater to repack the method for solar water heater into of the present invention, under the prerequisite of not removing original traditional gas heater in the family, green energy resource-solar energy be can make things convenient for, effectively and at low cost promote and the most general commerce and the application on family's combustion gas or the electric heater used, solved main use combustion gas or the electric power present situation as the hot water energy, the consumption that greatly reduces non-renewable traditional energy also effectively reduces discharge of harmful gases such as carbon dioxide.
Description of drawings
Fig. 1 is the structural representation that adopts the solar water heater that method of the present invention repacks into;
Fig. 2 a is the structural representation that adopts thermal-arrest connecting tube in the solar thermal collector of the solar water heater that method of the present invention repacks into;
Fig. 2 b is the A-A cutaway view among Fig. 2 a.
The specific embodiment
Also the present invention is described in further detail in conjunction with the accompanying drawings below by the specific embodiment.
See also Fig. 1, the former water heater of present embodiment is a gas heater, it has an enclosed pressure bearing stored bucket 1, the top of water butt 1 is provided with cooling water inlet 11, hot water outlet 12, temperature/pressure valve 16 and smoke exhaust pipe 15, the bottom is provided with the valve opening 13 that discharges water, cooling water inlet 11 and hot water outlet 12 are connected with cold water inlet 8 and hot water delivery pipe 9 respectively, and the valve opening 13 that discharges water is equipped with discharging valve 17.
The method of utilizing general gas or electric heater to repack solar water heater into of the present invention may further comprise the steps:
Increase the step of two threeways for former water heater, promptly between the bottom blow valve hole 13 of former water heater water butt 1 and discharging valve 17, increase a pipeline 14 and first threeway is installed on this pipeline 14, the outlet of this first threeway is as the water inlet 21 of solar heat circulation loop, and increase by second threeway on the cold water inlet 8 of former water heater water butt 1, the inlet of this second threeway is as the delivery port 29 of solar heat circulation loop;
Increase the step of solar heat circulation loop for former water heater, promptly increase the solar heat circulation loop between water inlet 21 and delivery port 29, this solar heat circulation loop comprises first manual ball valve 22, solar energy water circulating pump 23, solar thermal collector 24, heat collector temperature/pressure valve 25, vacuum valve 26, thermal cycle check-valves 27 and second manual ball valve 28 that connects successively by pipeline; Thermal cycle check-valves 27 can guarantee that the cold water in the cold water inlet 8 can not flow to the solar heat circulation loop; Heat collector temperature/pressure valve 25, vacuum valve 26 can shield to the solar heat circulation loop; First manual ball valve 22 and second manual ball valve 28 can be closed the solar heat circulation loop when solar thermal collector 24 needs repairing;
The step of increasing temperature sensor for former water heater is promptly at the output of solar thermal collector 24, increase by first temperature sensor 4, second temperature sensor 5 and the three-temperature sensor 6 respectively in the bottom blow valve hole 13 of former water heater water butt 1 and the hot water outlet 12 of former water heater water butt 1; The water temperature that first temperature sensor 4, second temperature sensor 5 and three-temperature sensor 6 are responded to is respectively T1, T2 and T3;
Increase the step of computer control for former water heater, this computer control 3 is electrically connected with solar energy water circulating pump 23 and first temperature sensor 4, second temperature sensor 5 and three-temperature sensor 6 respectively;
Increase the step of cold water check-valves, thermostatic valve and hot water circulating pump for former water heater, promptly increase cold water check-valves 81 on the cold water inlet 8 of former water heater, this cold water check-valves 81 can not flow to the cold water watering in order to guarantee the hot water that circulates in the solar energy heating circulation loop; Increase thermostatic valve 91 and hot water circulating pump 92 on the hot water delivery pipe 9 of former water heater water butt 1, this hot water circulating pump 92 is electrically connected with computer control 3; The hot water output temperature that thermostatic valve 91 assurances are repacked into behind the solar water heater can be set by the user, and avoids the hot water of water butt 1 output excessive temperature; Hot water circulating pump 92 is as the hot water circuit power of hot water supply system, also can be by computer control 3 controls, start when water butt 1 temperature is increased to the highest control temperature in summer, force to make hot water in hot water delivery pipe 9, circulate with the water temperature of reduction water butt 1.
Solar thermal collector 24 is the vacuum heat-pipe heat collector, it comprises a thermal-arrest connecting tube 241 and a plurality of vacuum heat collection pipe 243, the length direction of thermal-arrest connecting tube 241 (seeing also Fig. 2 a and Fig. 2 b) is offered a plurality of jacks uniformly at intervals, be inserted with a spile 242 in these jacks respectively hermetically, the upper end closed of this spile 242 and lower ending opening, thermal-arrest connecting tube 241 usefulness copper pipes or stainless steel tube material are made; Spile 232 is made by copper pipe or stainless steel tube and is consistent with the material therefor of thermal-arrest connecting tube 241; Thermal-arrest connecting tube 241 is communicated with solar energy water circulating pump 23 in the solar heat circulation loop by pipeline; Vacuum heat collection pipe 243 comprises and is used to absorb heat and the heat insulation vacuum tube heat pipe that be used to conduct heat central with being inserted in vacuum pipe inner cavity; Heat pipe in the vacuum heat collection pipe 243 is plugged in the spile 242, so that the recirculated water by solar thermal collector only flows into thermal-arrest connecting tube 241 and do not flow in the vacuum heat collection pipe 243, the solar thermal energy of vacuum heat collection pipe 243 being collected by spile 242 passes to the recirculated water in the thermal-arrest connecting tube 241; The flow of this thermal-arrest connecting tube 241 and flow velocity design basic identically with flow, the flow velocity of solar energy heating circulation loop; Thermal-arrest connecting tube 241 outsides also are coated with insulating barrier, can insulate with external environment condition well, vacuum thermal insulator owing to vacuum heat collection pipe 243 is not communicated with thermal-arrest connecting tube 241 simultaneously, thermal-arrest connecting tube 241 there is fabulous underground heat protection, water so can directly circulate in the thermal-arrest connecting tube 241 in the water butt 1 does not transmit hydraulic fluid and do not use other transmitting medium to do thermal cycle;
The major control function of computer control 3 comprises: based on the using energy source of solar energy resources, promptly under the enough situation of solar energy resources, do not use any conventional energy resource heat cycles water, only when solar energy is not enough, start the combustion heater of former water heater or electric heater as supplementary energy heat cycles water; The water temperature of control solar water heater; The protection of solar thermal collector maximum temperature; The solar thermal collector freezing prevention protection; The control of water butt maximum temperature; Water butt is refrigerating function again; System is Celsius to show conversion with Fahrenheit temperature; Water butt automatic sterilizing function; Water heater hot-water output hot water temperature control; The water butt overtemperature protection; The function manual adjustments of control system and the cryptoguard of control system.
Adopt the operation principle of the solar water heater after method of the present invention is reequiped to be: solar heat circulating pump 23 is startup work under the control of computer controlled automatic device 3, gives water butt 1 in order to the solar thermal energy circulating transfer that the solar thermal collector in the solar heat circulation loop 24 is collected; Computer control 3 is controlled the startup of solar energy water circulating pump 23 by the water temperature T 1 of solar thermal collector 24 outputs with the temperature difference of the water temperature T 2 of water butt 1 bottom or is closed, the temperature difference of opening or closing solar energy water circulating pump 23 can be set by the user, and the water temperature T 3 of computer control 3 usefulness water butts 1 hot water outlet 12 compares and control the highest water temperature of solar water heater; The difference of comparing with the water temperature T 2 of water butt 1 bottom in the water temperature T 1 of solar thermal collector 24 outputs reaches a certain setting value, and thermal-arrest circulating pump 23 is opened, and the solar thermal energy of assembling is flowed by hot water circuit is transferred to water butt 1; Transmission along with heat energy, the temperature of solar thermal collector 24 outputs progressively reduces, the water temperature T 2 of water butt 1 progressively raises, when the temperature difference of the water temperature T 1 of solar thermal collector 24 outputs and the water temperature T 2 of water butt 1 bottom is reduced to a certain setting value, computer control 3 control thermal-arrest circulating pumps 23 cut out, and solar water heating system stops to heat to the water in the water butt 1.Computer control 3 detects the highest water temperature of water butt 1 simultaneously by three-temperature sensor 6, when hot water circuit makes the water temperature T 3 of the hot water outlet 12 of water butt 1 reach the highest water temperature of setting, computer control 3 is by different control methods, such as the hot water circulating pump 92 that is connected on by startup on the hot water delivery pipe 9, high-temperature-hot-water in the water butt 1 is circulated, so that water butt 1 water temperature is reduced under the highest set water temperature in hot water delivery pipe 9.
Under the condition of illumination abundance, computer control 3 enough heats the temperature that the water arrival in the water butt 1 needs by the solar energy that first temperature sensor 4 detects solar thermal collector 24 outputs, combustion heater or electric heater 7 by the former water heater of computer control 3 controls do not start, or by the temperature of water in the temperature control system of the former water heater induction water butt 1, when water temperature satisfied setting value, the combustion heater of former water heater or electric heater 7 did not start;
Under the relatively poor condition of illumination, the water temperature T 2 that the solar energy that computer control 3 is exported by first temperature sensor, 4 detection solar thermal collectors 24 is not enough to heat in the water butt 1 arrives the setting value of setting, simultaneously because when the use of hot water makes water temperature be reduced to specified temp in the water butt 1, the combustion heater of former water heater or electric heater 7 are opened by computer control 3 controls, or, the water in the water butt 1 is heated by its former water heater temperature control system control unlatching; When computer control 3 detected the temperature of a certain setting of water temperature T 2 arrival in the water butt 1 by three-temperature sensor 6, then the combustion heater of former water heater or electric heater 7 were closed.
Adopt the solar water heater after method of the present invention is reequiped owing to do not pass through water in the vacuum heat collection pipe 243 of solar thermal collector 24, so solar thermal collector 24 except being installed in the roof, can also vertically be installed on the metope in face south or install angularly with the metope in face south.
Adopt method of the present invention to repack electrical heating water heater commonly used on the mobile garage into solar water heater.
Above embodiment has been described in detail the present invention, and those skilled in the art can make the many variations example to the present invention according to the above description.Thereby some details in the embodiment should not constitute limitation of the invention, and the scope that the present invention will define with appended claims is as protection scope of the present invention.

Claims (7)

1. a method of utilizing general gas or electric heater to repack solar water heater into is characterized in that, described method may further comprise the steps at least:
Increase the step of two threeways for former water heater, promptly between the bottom blow valve hole of former water heater water butt and discharging valve, increase a pipeline and first threeway is installed on this pipeline, the outlet of this first threeway is as the water inlet of solar heat circulation loop, and increase by second threeway on the cold water inlet of former water heater water butt, the inlet of this second threeway is as the delivery port of solar heat circulation loop;
Increase the step of solar heat circulation loop for former water heater, promptly increase the solar heat circulation loop between described water inlet and delivery port, this solar heat circulation loop comprises first manual ball valve, solar energy water circulating pump, solar thermal collector, heat collector temperature/pressure valve, thermal cycle check-valves and second manual ball valve that connects successively;
The step of increasing temperature sensor for former water heater is promptly at the output of described solar thermal collector, increase by first temperature sensor, second temperature sensor and three-temperature sensor respectively in the bottom blow valve hole of former water heater water butt and the hot water outlet of former water heater water butt;
Increase the step of computer control for former water heater, this computer control is electrically connected with described solar energy water circulating pump and described first temperature sensor, second temperature sensor and three-temperature sensor respectively.
2. the method for utilizing general gas or electric heater to repack solar water heater into according to claim 1, it is characterized in that, described solar thermal collector is the vacuum heat-pipe heat collector, it comprises a thermal-arrest connecting tube and a plurality of vacuum heat collection pipe, described thermal-arrest connecting tube is communicated with described solar heat circulation loop, its length direction is offered a plurality of jacks uniformly at intervals, is inserted with a spile in these jacks respectively hermetically, the upper end closed of this spile and lower ending opening; Described a plurality of vacuum heat collection pipe comprises respectively and is used to absorb heat and heat insulation vacuum tube and the heat pipe that is used to conduct heat that is inserted in vacuum pipe inner cavity central authorities, heat pipe in the vacuum heat collection pipe is plugged in the spile, so that the recirculated water by solar thermal collector only flows into described thermal-arrest connecting tube and do not flow in the described vacuum heat collection pipe.
3. the method for utilizing general gas or electric heater to repack solar water heater into according to claim 2 is characterized in that, described thermal-arrest connecting tube and spile are copper pipe or stainless steel tube, and the outside of described thermal-arrest connecting tube is coated with insulating barrier.
4. the method for utilizing general gas or electric heater to repack solar water heater into according to claim 1, it is characterized in that described solar heat circulation loop also comprises the vacuum valve that is connected between described heat collector temperature/pressure valve and the described thermal cycle check-valves.
5. the method for utilizing general gas or electric heater to repack solar water heater into according to claim 1, it is characterized in that, described method also comprises the step that increases cold water check-valves, thermostatic valve and hot water circulating pump to former water heater, promptly on the described cold water inlet of former water heater, increase the cold water check-valves, increase thermostatic valve and hot water circulating pump on the hot water delivery pipe of former water heater water butt, this hot water circulating pump is electrically connected with described computer control.
6. the method for utilizing general gas or electric heater to repack solar water heater into according to claim 1, it is characterized in that, the major control function of described computer control comprises: based on the using energy source of solar energy resources, promptly under the enough situation of solar energy resources, do not use any conventional energy resource heat cycles water, only when solar energy is not enough, start the combustion heater of former water heater or electric heater as supplementary energy heat cycles water; The water temperature of control solar water heater; The protection of solar thermal collector maximum temperature; The solar thermal collector freezing prevention protection; The control of water butt maximum temperature; Water butt is refrigerating function again; System is Celsius to show conversion with Fahrenheit temperature; Water butt automatic sterilizing function; Water heater hot-water output hot water temperature control; The water butt overtemperature protection; The function manual adjustments of control system and the cryptoguard of control system.
7. the method for utilizing general gas or electric heater to repack solar water heater into according to claim 6, it is characterized in that, the combustion heater of described former water heater as supplementary energy or the startup of electric heater and close can be by the temperature control system control of former water heater also can be by described computer control controls.
CN2010101546448A 2010-04-26 2010-04-26 Method for modifying general gas engine or electric water heater into solar water heater Expired - Fee Related CN101813378B (en)

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CN2010101546448A CN101813378B (en) 2010-04-26 2010-04-26 Method for modifying general gas engine or electric water heater into solar water heater
US12/816,387 US8375934B2 (en) 2010-04-26 2010-06-16 Solar water heater retrofitted from conventional water heater, system and method
PCT/CN2010/076528 WO2011134222A1 (en) 2010-04-26 2010-09-01 Method for refitting ordinary gas or electric water heater into solar water heater
AU2010352496A AU2010352496A1 (en) 2010-04-26 2010-09-01 Method for refitting ordinary gas or electric water heater into solar water heater
MX2012012584A MX2012012584A (en) 2010-04-26 2010-09-01 Method for refitting ordinary gas or electric water heater into solar water heater.

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CN101813378B (en) * 2010-04-26 2011-11-09 上海极特实业有限公司 Method for modifying general gas engine or electric water heater into solar water heater
CN105202774B (en) * 2014-06-30 2017-03-15 青岛经济技术开发区海尔热水器有限公司 A kind of double water tank solar water heater and double water tank water heater control method
GR1009257B (en) * 2017-08-08 2018-03-23 Βασιλειος Μιχαηλ Βαρσακελης Digital thermometer practicable for solar and electric geysers
CN111853924A (en) * 2020-08-14 2020-10-30 河南科技大学 Intelligent switching device based on wireless sensor network and control method thereof
CN114811711B (en) * 2022-03-04 2023-06-20 吉林大学 Equipment control method for assisting gas combined heat supply by using solar energy

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CN101813378B (en) * 2010-04-26 2011-11-09 上海极特实业有限公司 Method for modifying general gas engine or electric water heater into solar water heater

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