CN103090456B - Multiple-energy-source combines hot-water heating system and multiple-energy-source controls switching method - Google Patents

Multiple-energy-source combines hot-water heating system and multiple-energy-source controls switching method Download PDF

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Publication number
CN103090456B
CN103090456B CN201210497792.9A CN201210497792A CN103090456B CN 103090456 B CN103090456 B CN 103090456B CN 201210497792 A CN201210497792 A CN 201210497792A CN 103090456 B CN103090456 B CN 103090456B
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energy
temperature
heating
heat pump
source
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CN103090456A (en
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杨春涛
渠荣华
王少鹏
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Haier Group Corp
Qingdao Economic and Technological Development Zone Haier Water Heater Co Ltd
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Haier Group Corp
Qingdao Economic and Technological Development Zone Haier Water Heater Co Ltd
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    • 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

Abstract

The present invention proposes that a kind of multiple-energy-source combines hot-water heating system and multiple-energy-source method for handover control, the present invention can be when user largely uses water heater, successively start solar energy, heat pump, combustion gas and electric heating by system controller, it quickly provides the user with and is comfortably tested with water body, realize that optimum energy-saving effect, each heating unit are independent heating unit, its modularized design, unified interface, later period maintenance replacement is convenient, advantageously reduces cost;In addition it will be disposed over gas heating and electrically heated heat exchanger, and be conducive to quickly provide hot water in external environment condition difference.

Description

Multiple-energy-source combines hot-water heating system and multiple-energy-source controls switching method
Technical field
The invention belongs to technical field of solar water heaters, in particular relate to solar energy and heat pump, combustion gas and electric heating The control switching mode of combined multiple-energy-source hot-water heating system and multi-energy system.
Background technique
Solar water heater is widely received as green product, forms a huge developing market, In small and medium-sized cities and vast rural area, more and more families provide hot water for life using solar water heater.
However, in rainy weather, solar water heater cannot provide hot water, such case to user bring it is very big not Just.To solve the above problems, it is existing proposition on solar water heater increase supplementary energy mode, mainly there are several types of Mode:1, solar energy and electric heating combination, electric heating are not limited by other environmental factors, can be started at any time, but inefficient, Generally to heat could obtain available hot water for 4-6 hours, consume energy larger, and heating rod is easily damaged, and after damaging, repair pole It is inconvenient;2, solar energy and Combined gas, gas heating speed is fast, but at present between solar water heater and gas heater Connection often converted using multiple hand-operated valves, thus cause using inconvenience;3, solar energy and heat pump combination, heat pump have Energy-efficient advantage, but existing heat pump is with solar energy when being used cooperatively, including the heat exchange coil setting being connected with heat pump It is that line contacts with liner outside gallbladder, when heat exchange, by heating inner liner, reheats the water in liner, thus heat exchange efficiency is low.
Each energy mentioned above when being applied in combination, does not make full use of and plays its advantage although respectively having advantage, Thus energy-saving effect is poor.
Summary of the invention
It is combined to solve existing solar water heater and other energy, does not fully consider its advantage and disadvantage, thus after combination In the presence of such as consume energy big, inconvenient for use and heat exchange efficiency the problems such as, propose a kind of multiple-energy-source combination hot-water heating system, use as follows Technical solution:A kind of multiple-energy-source combination hot-water heating system, it is characterised in that including:Water tank, the water tank is interior to be equipped with temperature sensing Device and upper and lower two groups of heat exchangers, every group of heat exchanger include two coil pipes, and wherein the import connection of a pipe is opened on cabinet Cooling water inlet, the hot water outlet that outlet connection is opened on cabinet, the thermal-arrest that the import connection of another a pipe is opened on cabinet follow Ring import, the thermal-arrest loop exit that outlet connection is opened on cabinet.Solar energy heating unit, the solar energy heating unit include collection Hot device, the pumping plant being connected with heat collector, the system controller being mounted in pumping plant, and the solar energy water inlet being connected on pumping plant Pipe and solar energy outlet pipe;Heat pump unit, the heat pump unit include the outer machine of heat pump and are connected on the outer machine of heat pump Heat pump water inlet pipe and heat pump outlet pipe;Gas heating unit, the gas heating unit include gas fired-boiler and are connected to gas-fired boiler Combustion gas water inlet pipe and combustion gas outlet pipe on furnace;Electric heating unit, the electric heating unit include that heater is connected with the heater Heating rod, the heating rod is located in the water tank;The thermal-arrest loop exit of the upper heat exchanger connects combustion gas water inlet pipe, Collect thermal cycle import and connects combustion gas outlet pipe;The upper-part centralized thermal cycle outlet connection combustion gas water inlet pipe, collection thermal cycle import connect Connect combustion gas outlet pipe;The lower part thermal-arrest loop exit is separately connected heat pump water inlet pipe and solar energy by the first electric T-shaped valve Water inlet pipe, collection thermal cycle import connection heat pump outlet pipe and solar energy outlet pipe;The system controller electrical connection described first The control terminal of the outer machine of control terminal, the control terminal of heater, the control terminal of gas fired-boiler and the heat pump of electric T-shaped valve, the temperature The output end of degree sensor connects the input terminal of the system controller.
It further, further include radiator group in order to make full use of gas energy, the combustion gas water inlet pipe is equipped with and is The second electric T-shaped valve that controller of uniting is electrically connected, the combustion gas water inlet pipe connect radiator group by second electric T-shaped valve Water inlet pipe, the outlet pipe of the radiator group is connected to the collection thermal cycle import of heat exchanger.
Further, the heating rod is mounted on the upper end in water tank.
It further, further include one positioned at the indoor operation panel being connected with system controller, which is equipped with heat pump Heating lamp, gas heating indicator light and electric heating indicator light.
The present invention proposes a kind of preferable multiple-energy-source control switching of energy-saving effect for above-mentioned multiple-energy-source combination hot-water heating system Method comprising following steps:A, start solar energy heating unit;B, the temperature for reaching needs is detected whether, if so, stopping adding Otherwise heat according to requirements, detects solar energy heating temperature rise curve, when the temperature rise curve does not meet temperature increase requirement, execute Otherwise step C returns to step A;C, start heat pump unit;D, the temperature for reaching needs is detected whether, if so, stopping adding Otherwise heat detects heat pump temperature rise curve, when the temperature rise curve does not meet temperature increase requirement, execute E step, otherwise return to C Step;E, start gas heating unit;F, it detects whether the temperature for reaching needs, if so, stopping heating, otherwise detects combustion gas and add Hot cell whether there is failure, if so, executing J step, otherwise return to E step;J, start electric heating unit, and detect whether to reach To the temperature of needs, if so, stopping heating, otherwise, J step is executed.
It further, further include following steps before executing step C:Judge whether the temperature of requirement setting is less than Default temperature, if so, water tank temperature declines 3 DEG C of execution step Cs, otherwise, water tank temperature declines 8 DEG C of execution step Cs;It is holding It further include following steps before row E step:Judge whether the temperature of requirement setting is less than default temperature, if so, water tank Temperature declines 5 DEG C of execution E steps, and otherwise, water tank temperature declines 10 DEG C of execution E steps;Before executing J step further include as Lower step:Judge whether the temperature of requirement setting is less than default temperature, if so, water tank temperature declines 5 DEG C of execution E steps Suddenly, otherwise, water tank temperature declines 10 DEG C of execution E steps.
It further, further include following steps in the step C:It is bright that system controller controls heat pump indicator light;Institute Stating in E step further includes following steps:It is bright that system controller controls gas heating indicator light;It further include as follows in the J step Step:It is bright that system controller controls electric heating indicator light.
Further, the requirement includes the user's habit or 24 hours hot water of memory.
Further, the default temperature is 55 DEG C.
Compared with prior art, the advantages and positive effects of the present invention are as follows:The present invention can largely use hot water in user When device, successively start solar energy, heat pump, combustion gas and electric heating by system controller, quickly provides the user with and comfortably use water body It tests, realizes that optimum energy-saving effect, each heating unit are independent heating unit, modularized design, unified interface, later period Convenient maintenance and replacement advantageously reduces cost;In addition it will be disposed over, be conducive to gas heating and electrically heated heat exchanger In external environment condition difference, hot water is quickly provided.
After the specific embodiment of this explanation is read in conjunction with the figure, other features and advantages of this explanation will become more clear Chu.
Detailed description of the invention
Illustrate embodiment or technical solution in the prior art in order to illustrate more clearly of this, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this theory Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.
Fig. 1 is that multiple-energy-source combines hot-water heating system structural schematic diagram;Fig. 2 is water tank schematic diagram of internal structure;Fig. 3 is multipotency Source switching control flow chart;In each figure:100, solar energy heating unit;110, pumping plant;120, heat collector;130, solar energy is intake Pipe;140, solar energy outlet pipe;200, the outer machine of heat pump;210, heat pump water inlet pipe;220, heat pump outlet pipe;300, gas heating list Member;310, combustion gas water inlet pipe;320, combustion gas outlet pipe;;400, electric heater;410, heating rod;500, water tank;501, it is changed on Hot device;502, lower heat exchanger;510, upper collection thermal cycle import;520, upper thermal-arrest loop exit;530, next part thermal cycle import; 540, next part thermal cycle exports;550, lower cooling water inlet;560, lower hot water outlet;570, upper cooling water inlet;580, upper hot water goes out Mouthful;600, radiator group;610, heater inlet pipe;620, heating outlet pipe;700, the first electric T-shaped valve;800, second is electronic Triple valve.
Specific embodiment
Embodiment one, with reference to Fig. 1, this is implemented a kind of multiple-energy-source combination hot-water heating system, realizes the sun using integration mode Energy, air source heat pump, combustion gas, the four kinds of energy matchings of auxiliary electricity and switching, to reach lowest energy consumption and optimum energy-saving effect, It is beneficial to energy conservation emission reduction implementation, it is specific as follows:Including solar energy heating unit, heat pump unit, gas heating unit, electricity add Hot cell and water tank.
Temperature sensor is installed in the water tank 500(It is not shown in the figure)And upper and lower two groups of heat exchangers 501,502, Every group of heat exchanger includes two coil pipes, is provided with upper and lower cooling water inlet 570,550 on cabinet, upper and lower hot water outlet 580,560, Upper and lower collection thermal cycle import 510,530, upper and lower thermal-arrest loop exit 520,540, the wherein a pipe of lower heat exchanger 502 Import connects lower cooling water inlet 550, and outlet connects lower hot water outlet 560, the import of another a pipe connect next part thermal cycle into Mouth 530, outlet connection next part thermal cycle outlet 540, similarly, the import connection of the wherein a pipe of upper heat exchanger 501 are above cold Water inlet 570, outlet connect upper hot water outlet 580, collect thermal cycle import 510 in the import connection of another a pipe, outlet connects Connect thermal-arrest loop exit 520.In order to accurately control time and the frequency of heat collector circulation, the upper, middle and lower position in water tank Install respectively, in, lower sensor, specifically, upper temperature sensor is located at away from the upper thermal-arrest circulation inlet that exchanges heat, middle temperature Sensor is located at 1/2 of the liner height in the middle part of liner, and lower temperature sensor 1 is located at upper thermal-arrest loop exit.
The solar energy heating unit 100 include heat collector 120, be connected with heat collector pumping plant 110, be mounted in pumping plant System controller, and the solar energy water inlet pipe 130 that is connected on pumping plant and solar energy outlet pipe 140.The heat pump Unit includes machine 200 and the heat pump water inlet pipe 210 and heat pump outlet pipe 220 that are connected on the outer machine 200 of heat pump outside heat pump.The combustion Gas heating unit 300 includes gas fired-boiler and the combustion gas water inlet pipe 310 and combustion gas outlet pipe 320 that are connected on gas fired-boiler.Institute Stating electric heating unit 400 includes the heating rod 410 that heater is connected with the heater, and the heating rod 410 is located at the water storage In case 500, the heater is fixed on the outer wall of water tank 500.
In view of when external environment is poor, guaranteeing that user obtains the hot water of needs, the present embodiment within the shortest time Faster combustion unit 300 will be heated to be connected with upper heat exchanger 501, the setting of heating rod 410 in electric heating unit 400 stored up Upper end in water tank 500.Consider from the heat exchange efficiency for reducing cost and raising heat pump, the present embodiment solar energy heating unit and heat pump Heating unit shares a heat exchanger, in the heat exchanger of the heating rod partial insertion gas heating unit of electric heating unit, specifically Connection relationship is as follows:The upper thermal-arrest loop exit 520 connects combustion gas water inlet pipe 310, and collection thermal cycle import 510 connects combustion gas and goes out Water pipe 320;The next part thermal cycle outlet 540 is separately connected heat pump water inlet pipe 210 and the sun by the first electric T-shaped valve 700 It can water inlet pipe 130, collection thermal cycle import 530 connection heat pump outlet pipe 220 and solar energy outlet pipe 140;The system controller It is electrically connected outside control terminal, the control terminal of heater, the control terminal of gas fired-boiler and the heat pump of first electric T-shaped valve 700 The control terminal of machine 200, the output end of the temperature sensor connect the input terminal of the system controller.(Filament is control in figure Line processed, to avoid marking on a map, confusion is not indicated)Further in order to make full use of gas energy, facilitate user's winter heating, also Including radiator group 600, the combustion gas water inlet pipe 310 is equipped with the second electric T-shaped valve 800 being electrically connected with system controller, The combustion gas water inlet pipe 310 connects the water inlet pipe 610 of radiator group by second electric T-shaped valve 800, the radiator group Outlet pipe 620 is connected to the collection thermal cycle import of heat exchanger, and when operation, on the one hand the circulating pump in gas heating unit is pumped into The recirculated water of upper heat exchanger exchanges heat after gas fired-boiler, and recirculated water to the radiator group for being on the other hand pumped into heat exchanger exchanges heat.
It further include one being located at interior and being connected with system controller to make user intuitively obtain heat source situation used at present Operation panel, the panel be equipped with heat pump indicator light, gas heating indicator light and electric heating indicator light.When heat pump work When making, system controller control heat pump indicator light is bright, and when gas heating, system controller controls gas heating indicator light Bright, when electric heating, it is bright that system controls electric heating indicator light.
When system is run, system controller is adjusted according to external environment, and successively selection starting heat pump unit, combustion gas add Hot cell and electric heating unit auxiliary heat.
Embodiment two, with reference to Fig. 3, the present embodiment proposes a kind of multiple-energy-source control switching side on the basis of example 1 Method, each energy of the present embodiment stops and starting service condition carries out in the following order:1, solar energy heating:As long as meeting solar energy Thermal-arrest loop start condition, solar energy pumping plant internal circulation pump just start;2, heat pump:Under the conditions of selecting heat pump, heat is considered It pumps starting more preferential than electric heating and heat pump is controlled by system controller according to the temperature in water tank.
3, gas heating:When heat pump and solar energy cannot be met the requirements, water storage the temperature inside the box is detected, is controlled in system Gas heating is carried out under the control of device.
4, electric heating:Temperature requirement is not achieved in solar energy, heat pump, gas heating, water storage the temperature inside the box is detected, in system It is electrically heated under the control of controller until terminating.
Specific step is as follows:001, start solar energy heating unit;002, the temperature for reaching needs is detected whether;It uses When, general user can set a temperature, and water tank temperature sensor detects whether water temperature in water tank reaches setting temperature first Otherwise degree, according to requirements, executes step 003 if so, executing step 012 stops heating, requirement herein can be with It is the water habits of memory, is also possible to 24 hours hot water demands or water consumption water time etc.;003, detection solar energy adds Hot temperature rise curve;For solar energy after heating a period of time, system will record its temperature rise curve, and it is main that this step detects temperature rise curve It is that the temperature that whether can be heated to setting according to temperature rise curve estimation needs to be implemented 004 step when temperature condition is not very good Suddenly, 001 step starting solar energy heating unit is otherwise returned;004, start heat pump unit;005, detecting whether to reach needs The temperature wanted;This step similar step 002, equally, water tank temperature sensor detects whether water temperature in water tank reaches first Otherwise set temperature, executes step 006 if so, executing step 012 stops heating;006, heat pump temperature rise curve is detected; Same system can store the temperature rise curve of heat pump after running for a period of time, and read the cop value of heat pump, when cop is less than 1.2 When, i.e., when the temperature rise curve does not meet temperature increase requirement, 007 step is executed, otherwise returns to 004 step, starts heat pump unit; 007, start gas heating unit;008, the temperature for reaching needs is detected whether;This step is similar to above-mentioned steps 002 and 005, storage Water tank temperature sensor detects whether water temperature in water tank reaches set temperature first, if so, executing step 012 stops heating, Otherwise, step 009 is executed;009, detection gas heating unit whether there is failure;The failure of this step be mainly combustion gas damage, The small probabilities failures such as alarm, failure executes step 010 if so, skipping 009 step if it exists, and otherwise return step 007 starts Gas heating unit;010, start electric heating unit;011, the temperature for reaching needs is detected whether;Electric heating is if so, stop adding Heat, otherwise return step 010 continues to start electric heating unit;012, terminate.
The present embodiment is required according to user setting, be can be carried out heating using the sun first, is not able to satisfy heating in solar energy It in the case where it is required that, is heated using air source heat pump, starting gas fired-boiler heating when heat pump does not meet heating requirements, electricity auxiliary adds Heat heats as needed as last supplementary energy.Whole system realizes optimum energy-saving effect, makes full use of solar energy can be again The raw energy utilizes electric energy and combustion gas with efficient, reduces the discharge of greenhouse gases.
In order to avoid frequent starting, generally one return difference temperature of setting are specifically executing heat pump during the work time It further include following steps before 004 step:Judge whether the temperature of requirement setting is less than default temperature, what is do not set In the case of, default temperature is 55 DEG C, if so, water tank temperature declines 3 DEG C of execution step Cs, otherwise, water tank temperature declines 8 DEG C Step C is executed, two return difference temperature, which are arranged, mainly ensures the amount of hot water of user;Similarly, further include before executing 007 step Following steps:Judge whether the temperature of requirement setting is less than default temperature, if so, water tank temperature declines 5 DEG C of execution E steps Suddenly, otherwise, water tank temperature declines 10 DEG C of execution E steps;It similarly, further include following steps before executing 010 step:Judgement Whether the temperature of requirement setting is less than default temperature, if so, water tank temperature declines 5 DEG C of execution E steps, otherwise, water storage Box temperature degree declines 10 DEG C of execution E steps.
In addition, further including following steps in 004 step to allow user to recognize current heat source:System It is bright that controller controls heat pump indicator light;It further include following steps in 007 step:System controller controls gas heating Indicator light is bright;It further include following steps in 010 step:It is bright that system controller controls electric heating indicator light.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although with reference to the foregoing embodiments This explanation is described in detail, those skilled in the art should understand that:It still can be to aforementioned each implementation Technical solution documented by example is modified or equivalent replacement of some of the technical features;And these modification or Replacement, it does not separate the essence of the corresponding technical solution, and this illustrates the spirit and scope of each embodiment technical solution.

Claims (9)

1. a kind of multiple-energy-source method for handover control, it is characterised in that:Multiple-energy-source used by the multiple-energy-source method for handover control Combining hot-water heating system includes:
Water tank, the water tank is interior to be equipped with temperature sensor and upper and lower two groups of heat exchangers, and every group of heat exchanger includes two coil pipes, Wherein the import of a pipe connects the cooling water inlet being opened on cabinet, and the hot water outlet that outlet connection is opened on cabinet is another The import of root canal connects the collection thermal cycle import being opened on cabinet, the thermal-arrest loop exit that outlet connection is opened on cabinet;
Solar energy heating unit, the solar energy heating unit include heat collector, the pumping plant being connected with heat collector, are mounted in pumping plant System controller, and the solar energy water inlet pipe that is connected on pumping plant and solar energy outlet pipe;
Heat pump unit, the heat pump unit include the outer machine of heat pump and the heat pump water inlet pipe being connected on the outer machine of heat pump and heat Water pump outlet pipe;
Gas heating unit, the gas heating unit include gas fired-boiler and the combustion gas water inlet pipe being connected on gas fired-boiler and combustion Gas outlet pipe;
Electric heating unit, the electric heating unit include the heating rod that heater is connected with the heater, and the heating rod is located at institute It states in water tank;
Upper-part centralized thermal cycle outlet connection combustion gas water inlet pipe, collection thermal cycle import connect combustion gas outlet pipe;Lower part thermal-arrest recycles Mouth is separately connected heat pump water inlet pipe and solar energy water inlet pipe, collection thermal cycle import connection heat pump water outlet by the first electric T-shaped valve Pipe and solar energy outlet pipe;The system controller is electrically connected the control of the control terminal, heater of first electric T-shaped valve The control terminal of the outer machine of end, the control terminal of gas fired-boiler and heat pump, the output end of the temperature sensor connect the system control The input terminal of device processed,
The multiple-energy-source method for handover control includes the following steps:
A, start solar energy heating unit;
B, it detects whether the temperature for reaching needs, if so, stopping heating, otherwise, according to requirements, detects solar energy heating temperature
Curve is risen, when the temperature rise curve does not meet temperature increase requirement, C step is executed, otherwise returns to A step;
C, start heat pump unit;
D, it detects whether the temperature for reaching needs, if so, stopping heating, otherwise, heat pump temperature rise curve is detected, when the temperature rise When curve does not meet temperature increase requirement, E step is executed, otherwise returns to C step;
E, start gas heating unit;
F, the temperature for reaching needs is detected whether, if so, stopping heating, otherwise detecting gas heating unit whether there is failure, If so, executing J step, E step is otherwise returned;
J, start electric heating unit, and detect whether the temperature for reaching needs, if so, stopping heating, otherwise, execute J step.
2. the multiple-energy-source method for handover control according to claim 1, it is characterised in that:
It further include following steps before executing C step:Judge whether the temperature of requirement setting is less than default temperature, if It is that water tank temperature declines 3 DEG C of execution C steps, otherwise, water tank temperature declines 8 DEG C of execution C steps;
It further include following steps before executing E step:Judge whether the temperature of requirement setting is less than default temperature, if It is that water tank temperature declines 5 DEG C of execution E steps, otherwise, water tank temperature declines 10 DEG C of execution E steps;
It further include following steps before executing J step:Judge whether the temperature of requirement setting is less than default temperature, if It is that water tank temperature declines 5 DEG C of execution E steps, otherwise, water tank temperature declines 10 DEG C of execution E steps.
3. according to claim 1 or multiple-energy-source method for handover control described in 2, it is characterised in that:
It further include following steps in the C step:It is bright that system controller controls heat pump indicator light;
It further include following steps in the E step:It is bright that system controller controls gas heating indicator light;
It further include following steps in the J step:It is bright that system controller controls electric heating indicator light.
4. multiple-energy-source method for handover control according to claim 1 or 2, it is characterised in that:The requirement includes note The user's habit recalled or 24 hours hot water demands.
5. multiple-energy-source method for handover control according to claim 3, it is characterised in that:The requirement includes memory User's habit or 24 hours hot water demands.
6. multiple-energy-source method for handover control according to claim 2, it is characterised in that:The default temperature is 55 DEG C.
7. multiple-energy-source method for handover control according to claim 1 or 2, it is characterised in that:The multiple-energy-source combines hot water System further includes radiator group, and the combustion gas water inlet pipe is equipped with the second electric T-shaped valve being electrically connected with system controller, institute The water inlet pipe that combustion gas water inlet pipe connects radiator group by second electric T-shaped valve is stated, the outlet pipe of the radiator group is connected to The collection thermal cycle import of upper heat exchanger.
8. multiple-energy-source method for handover control according to claim 1 or 2, it is characterised in that:The heating rod is mounted on storage Upper end in water tank.
9. multiple-energy-source method for handover control according to claim 1 or 2, it is characterised in that:Further include one be located at it is indoor with The connected operation panel of system controller, the panel are equipped with heat pump indicator light, gas heating indicator light and electric heating Indicator light.
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