CN103629814A - Hybrid electric water heater - Google Patents
Hybrid electric water heater Download PDFInfo
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- CN103629814A CN103629814A CN201310684442.8A CN201310684442A CN103629814A CN 103629814 A CN103629814 A CN 103629814A CN 201310684442 A CN201310684442 A CN 201310684442A CN 103629814 A CN103629814 A CN 103629814A
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Y—GENERAL 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Abstract
The embodiment of the invention discloses a hybrid electric water heater. A grid-connected inverter is used inside a water heater, thus using other external power supplies is not influenced when an energy-saving power supply can be directly obtained through the grid-connected inverter; meanwhile, a surplus power supply generated by the grid-connected inverter is fed back to a power supply socket so as to be used by an external electric load, thus the environment friendliness and energy saving are improved. The hybrid electric water heater provided by the embodiment of the invention comprises a first power supply module, an external power grid module and an internal power grid module, wherein the first power supply module is used for providing the obtained power supply converted by solar energy to the internal power grid module, the external power grid module is used for inputting a second alternating current power supply of an external power grid into the internal power grid module, and the internal power grid module is used for connecting a first alternating current power supply and a second alternating current power supply which are received so that the hybrid electric water heater works through the gird-connector power supply.
Description
Technical field
The present invention relates to electric power energy field, relate in particular to a kind of blended electric power water heater.
Background technology
Water heater, current the most frequently used household electrical appliance, water heater kind is a lot, such as electric heater, gas heater, solar water heater and air-source water heater etc., therefore, at water heater, obtain on electric power energy especially environmental protection and energy saving aspect, become numerous technical staff's research topic, especially by photovoltaic solar, provide electric power to water heater.
Current from photovoltaic solar, obtain electric power energy and have the electric power technology that is incorporated into the power networks to the technology of water heater, refer to that solar photovoltaic generation system is directly connected with electrical network is grid-connected, grid-connected photovoltaic system is that the electric power of many independently solar power systems need not be passed through to energy storage equipment accumulation of energy, but directly by parallel network reverse device, be incorporated to utility network, carrier using utility network as photovoltaic generating system, realizes the transmitted in both directions of high-quality electric energy with utility network.
Yet, the electric power technology that is incorporated into the power networks, directly to electric power networks, to provide electric energy, for the water heater in electric power networks, it is basic load, externally on electrical network, pass through to use inverter, make the direct current of solar energy change alternating current into and with electric power networks, be mixed together each electric power supply to family expenses electrical network again, such design can cause when inverter damages, other household electrical appliance cannot obtain the electric power that sun the subject of knowledge and the object of knowledge provides, simultaneously, also can produce the problem of the incomplete use of electric energy, therefore, the feature of environmental protection and energy saving reduce greatly.
Summary of the invention
The embodiment of the present invention provides a kind of blended electric power water heater, by combining inverter is inner for water heater, realized when not only can directly obtain energy-saving electric power by combining inverter, do not affect the use of other external power source, and, by the unnecessary power supply that combining inverter is produced, feed back to supply socket, for outside electric loading, improved the feature of environmental protection and energy saving.
The embodiment of the present invention provides a kind of blended electric power water heater, comprising:
The first supply module, is connected with interior electrical network module by power line, for the power supply of the solar energy conversion of obtaining is offered to interior electrical network module, comprising:
Wherein, described the first supply module comprises: solar cell and combining inverter;
Described solar cell, for obtaining solar energy, and converts solar energy to dc source and exports to described interior electrical network module;
Described combining inverter, for converting described dc source to first AC power, and offers described interior electrical network module;
External power grid module, for inputting external power grid the second AC power into interior electrical network module, wherein by supply socket, comprise: described supply socket, by described power line, be connected with described interior electrical network module, for receiving described the second AC power, and offer described interior electrical network module;
Described interior electrical network module, by described power line, be connected with described supply socket with described the first supply module, for described the first AC power and the second AC power that receive is grid-connected, make described blended electric power water heater pass through described power work after grid-connected;
Wherein, when described blended electric power water heater is not worked, described the first AC power that described interior electrical network module provides by described combining inverter is transferred to described supply socket using by electric loading to external power grid.
Alternatively, power storage module, is connected with described the first supply module by described power line, for storing power supply, comprising:
TRT, for obtaining external power source;
Battery, is connected with described combining inverter by described power line, for storing described external power source.
Alternatively, described the first supply module also comprises:
The first switch, by power line, be connected between described solar cell and described combining inverter, for when described the first supply module is powered, closed described the first switch, make described the first AC power and the second AC power grid-connected, described blended electric power water heater is by described power work after grid-connected.
Alternatively, described power storage module is provided with second switch, for stopping power supply when described the first supply module, when described the first switch disconnects, described battery provides described external power source to be converted to the 3rd AC power and the grid-connected generation of described the second AC power the 4th AC power to described combining inverter, and described blended electric power water heater is worked by described the 4th AC power.
Alternatively, when described the first supply module and described external power grid module are stopped power supply, described battery provides described external power source to be converted to the 3rd AC power to described combining inverter, and described blended electric power water heater is worked by described the 3rd AC power.
Alternatively, refrigeration module, comprises off-premises station and boiler, for the power supply providing by described interior electrical network module, makes outside low temperature absorption produce high temperature to described off-premises station, heats described boiler.
Alternatively, described off-premises station specifically comprises:
Throttling arrangement, for carrying out throttling processing by liquid refrigerant;
Heat exchanger, for carrying out evaporation process by described liquid refrigerant;
Heat exchange fan, for the described liquid refrigerant after evaporation process and air are carried out to heat exchange processing, becomes gaseous refrigerant;
Compressor, for by the described gaseous refrigerant circulation compression after heat exchange, obtains hot water and is transferred to described boiler.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages: in the embodiment of the present invention, a kind of blended electric power water heater comprises: the first supply module, by power line, be connected with interior electrical network module, for the power supply of the solar energy conversion of obtaining is offered to interior electrical network module, comprise: solar cell, be used for obtaining solar energy, and convert solar energy to dc source and export to interior electrical network module, combining inverter, for converting dc source to first AC power, and offer interior electrical network module, external power grid module, for external power grid the second AC power is inputted into interior electrical network module by supply socket, comprise: supply socket, by power line, be connected with interior electrical network module, be used for receiving the second AC power, and offer interior electrical network module, interior electrical network module, by power line, be connected with supply socket with the first supply module, for the first AC power receiving and the second AC power is grid-connected, make blended electric power water heater by the power work after grid-connected, wherein, when blended electric power water heater is not worked, the first AC power that interior electrical network module provides by combining inverter is transferred to supply socket using by electric loading to external power grid, in the present embodiment, by combining inverter being arranged in blended electric power water heater, when making water heater directly to obtain energy-saving electric power by combining inverter, do not affect the use of other external power source, and, by the unnecessary power supply that combining inverter is produced, feed back to supply socket, for outside electric loading, the feature of environmental protection and energy saving have been improved further.
Accompanying drawing explanation
Fig. 1 is the structural representation of an a kind of embodiment of blended electric power water heater in the embodiment of the present invention;
Fig. 2 is the structural representation of a kind of another embodiment of blended electric power water heater in the embodiment of the present invention;
Fig. 3 is the structural representation of a kind of another embodiment of blended electric power water heater in the embodiment of the present invention;
Fig. 4 is the structural representation of a kind of another embodiment of blended electric power water heater in the embodiment of the present invention.
The specific embodiment
The embodiment of the present invention provides a kind of blended electric power water heater, by combining inverter is inner for water heater, realized when not only can directly obtain energy-saving electric power by combining inverter, do not affect the use of other external power source, and, by the unnecessary power supply that combining inverter is produced, feed back to supply socket, for outside electric loading, improved the feature of environmental protection and energy saving.
For making goal of the invention of the present invention, feature, advantage can be more obvious and understandable, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, the embodiments described below are only the present invention's part embodiment, but not whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making all other embodiment that obtain under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, an embodiment of a kind of blended electric power water heater in the embodiment of the present invention comprises:
The first supply module 101, is connected with interior electrical network module 102 by power line, for the power supply of the solar energy conversion of obtaining is offered to interior electrical network module 102, comprising:
Combining inverter 1012, for dc source being converted to the first AC power, and offers interior electrical network module 102;
External power grid module 103, for external power grid the second AC power is inputted into interior electrical network module 102 by supply socket 1031, comprising:
Interior electrical network module 102, is connected with supply socket 1031 with the first supply module 101 by power line, for the first AC power receiving and the second AC power is grid-connected, makes blended electric power water heater by the power work after grid-connected;
Wherein, when blended electric power water heater is not worked, the first AC power that interior electrical network module 102 provides by combining inverter is transferred to supply socket using by electric loading to external power grid;
It should be noted that, the use electric loading of external power grid can be one or a plurality of, be not specifically limited herein, this use electric loading except receiving the first AC power additionally having more, also accept external power grid by electric energy meter, transmit the power supply that enters for other electrical equipment with net.
In the present embodiment, by combining inverter being arranged in blended electric power water heater, when making water heater directly to obtain energy-saving electric power by combining inverter, do not affect the use of other external power source, and, by the unnecessary power supply that combining inverter is produced, feed back to supply socket, for outside electric loading, improved further the feature of environmental protection and energy saving.
The connection and the function that are each parts of blended electric power water heater to providing in the embodiment of the present invention are above described in detail, below the power storage module to the present embodiment is described in detail, refer to Fig. 2, another embodiment of a kind of blended electric power water heater in the embodiment of the present invention comprises:
The first supply module 201, is connected with interior electrical network module 202 by power line, for the power supply of the solar energy conversion of obtaining is offered to interior electrical network module 202, comprising:
Combining inverter 2012, for dc source being converted to the first AC power, and offers interior electrical network module 202;
External power grid module 203, for external power grid the second AC power is inputted into interior electrical network module 202 by supply socket 2031, comprising:
Interior electrical network module 202, is connected with supply socket 2031 with the first supply module 201 by power line, for the first AC power receiving and the second AC power is grid-connected, makes blended electric power water heater by the power work after grid-connected;
Wherein, when blended electric power water heater is not worked, the first AC power that interior electrical network module 202 provides by combining inverter is transferred to supply socket using by electric loading to external power grid;
It should be noted that, the use electric loading of external power grid can be one or a plurality of, be not specifically limited herein, this use electric loading except receiving the first AC power additionally having more, also accept external power grid by electric energy meter, transmit the power supply that enters for other electrical equipment with net.
TRT 2041, for obtaining external power source, is understandable that, this TRT 2041 such as being the green energy resource generating equipments such as wind power plant, is not specifically limited herein;
It should be noted that, when the first supply module 201 and external power grid module 203 are stopped power supply, battery 2042 provides external power source to be converted to the 3rd AC power to combining inverter 2012, and blended electric power water heater is worked by the 3rd AC power.
In the present embodiment, by combining inverter being arranged in blended electric power water heater, when making water heater directly to obtain energy-saving electric power by combining inverter, do not affect the use of other external power source, and, by the unnecessary power supply that combining inverter is produced, feed back to supply socket, for outside electric loading, the feature of environmental protection and energy saving have been improved further, and the battery designs of power storage module, just can realize under the condition that cannot work at the first supply module, can continue further to provide green energy to carry out grid-connected, and then, continue to keep the feature of environmental protection and energy saving.
That the power storage module of the present embodiment is described in detail above, to the process of power storage module and other module interworking be described in detail below, refer to Fig. 3, another embodiment of a kind of blended electric power water heater in the embodiment of the present invention comprises:
The first supply module 301, is connected with interior electrical network module 302 by power line, for the power supply of the solar energy conversion of obtaining is offered to interior electrical network module 302, comprising:
Combining inverter 3012, for dc source being converted to the first AC power, and offers interior electrical network module 302;
It should be noted that, the first switch 3013, by power line, be connected between solar cell 3011 and combining inverter 3012, for when the first supply module 301 is powered, closed the first switch 3013, make the first AC power and the second AC power grid-connected, blended electric power water heater is by the power work after grid-connected.
External power grid module 303, for external power grid the second AC power is inputted into interior electrical network module 302 by supply socket 3031, comprising:
Interior electrical network module 302, is connected with supply socket 3031 with the first supply module 301 by power line, for the first AC power receiving and the second AC power is grid-connected, makes blended electric power water heater by the power work after grid-connected;
Wherein, when blended electric power water heater is not worked, the first AC power that interior electrical network module 302 provides by combining inverter is transferred to supply socket using by electric loading to external power grid;
It should be noted that, the use electric loading of external power grid can be one or a plurality of, be not specifically limited herein, this use electric loading except receiving the first AC power additionally having more, also accept external power grid by electric energy meter, transmit the power supply that enters for other electrical equipment with net.
In the present embodiment, when the first supply module 301 and external power grid module 303 are stopped power supply, battery 3042 provides external power source to be converted to the 3rd AC power to combining inverter 3012, and blended electric power water heater is worked by the 3rd AC power.
It should be noted that, power storage module 3042 is provided with second switch 3043, for stopping power supply when the first supply module 301, when the first switch 3013 disconnects, battery 3042 provides external power source to be converted to the 3rd AC power and the grid-connected generation of the second AC power the 4th AC power to combining inverter 3012, and blended electric power water heater is worked by the 4th AC power.
In the present embodiment, by combining inverter being arranged in blended electric power water heater, when making water heater directly to obtain energy-saving electric power by combining inverter, do not affect the use of other external power source, and, by the unnecessary power supply that combining inverter is produced, feed back to supply socket, for outside electric loading, the feature of environmental protection and energy saving have been improved further, and the battery designs of power storage module, just can realize under the condition that cannot work at the first supply module, can continue further to provide green energy to carry out grid-connected, and then, continue to keep the feature of environmental protection and energy saving, simultaneously, the design that the first switch passes through to switch different duties with second switch, realized more energy-conservation function.
That the process of power storage module and other module interworking is described in detail above, below the function of the refrigeration module in blended electric power water heater is described in detail, refer to Fig. 4, another embodiment of a kind of blended electric power water heater in the embodiment of the present invention comprises:
The first supply module 401, is connected with interior electrical network module 402 by power line, for the power supply of the solar energy conversion of obtaining is offered to interior electrical network module 402, comprising:
Combining inverter 4012, for dc source being converted to the first AC power, and offers interior electrical network module 402;
It should be noted that, the first switch 4013, by power line, be connected between solar cell 4011 and combining inverter 4012, for when the first supply module 401 is powered, closed the first switch 4013, make the first AC power and the second AC power grid-connected, blended electric power water heater is by the power work after grid-connected.
External power grid module 403, for external power grid the second AC power is inputted into interior electrical network module 402 by supply socket 4031, comprising:
Interior electrical network module 402, is connected with supply socket 4031 with the first supply module 401 by power line, for the first AC power receiving and the second AC power is grid-connected, makes blended electric power water heater by the power work after grid-connected;
Wherein, when blended electric power water heater is not worked, the first AC power that interior electrical network module 402 provides by combining inverter is transferred to supply socket using by electric loading to external power grid;
It should be noted that, the use electric loading of external power grid can be one or a plurality of, be not specifically limited herein, this use electric loading except receiving the first AC power additionally having more, also accept external power grid by electric energy meter, transmit the power supply that enters for other electrical equipment with net.
In the present embodiment, when the first supply module 401 and external power grid module 403 are stopped power supply, battery 4042 provides external power source to be converted to the 3rd AC power to combining inverter 4012, and blended electric power water heater is worked by the 3rd AC power.
It should be noted that, power storage module 4042 is provided with second switch 4043, for stopping power supply when the first supply module 401, when the first switch 4013 disconnects, battery 4042 provides external power source to be converted to the 3rd AC power and the grid-connected generation of the second AC power the 4th AC power to combining inverter 4012, and blended electric power water heater is worked by the 4th AC power.
Wherein, refrigeration module 405 can further include:
In the present embodiment, by combining inverter being arranged in blended electric power water heater, when making water heater directly to obtain energy-saving electric power by combining inverter, do not affect the use of other external power source, and, by the unnecessary power supply that combining inverter is produced, feed back to supply socket, for outside electric loading, the feature of environmental protection and energy saving have been improved further, and the battery designs of power storage module, just can realize under the condition that cannot work at the first supply module, can continue further to provide green energy to carry out grid-connected, and then, continue to keep the feature of environmental protection and energy saving, simultaneously, the design that the first switch passes through to switch different duties with second switch, realized more energy-conservation function, the heat energy that absorbs outside air by refrigeration module heats water tank, thereby further improved energy saving.
That the function of the refrigeration module in blended electric power water heater is described in detail above, for ease of understanding, to to embodiment illustrated in fig. 4, be described in detail with a concrete application scenarios below, another embodiment of a kind of blended electric power water heater in the embodiment of the present invention comprises:
In the present embodiment, the supply socket of external power grid module 403 4031 is communicated with to power supply with external power grid, inwardly electrical network module 402 power supplies, now, refrigeration module 405 operation of starting working, when sunshine is out time, the first switch 4013 closures of the first supply module 401, the second switch 4043 of power storage module 404 disconnects, the solar cell 4011 of solar light irradiation the first supply module 401 produces direct current, direct current produces the first AC power by the combining inverter 4012 of the first supply module 401, now, combining inverter 4012 detects the DC voltage value of input, when higher than minimum setting safety value, interior electrical network module 402 is inputted the first AC power and external power grid the second AC power by supply socket 4031 is grid-connected, AC power after grid-connected drives refrigeration module 405 operations, the throttling arrangement 40511 of refrigeration module 405 carries out throttling processing by liquid refrigerant, heat exchanger 40512 carries out evaporation process by liquid refrigerant, heat exchange fan 40513 carries out heat exchange processing by the liquid refrigerant after evaporation process and air, become gaseous refrigerant, compressor 40514 is by the gaseous refrigerant circulation compression after heat exchange, obtain the boiler 4052 that hot water is transferred to refrigeration module 405, when refrigeration module 405 does not move, be understandable that, refrigeration module 405 can also be said when operate power is less than the generated output of the first supply module 401, at this moment, the excrescent electric power that combining inverter 4012 produces, by interior electrical network module 402, be sent to supply socket 4031 using by electric loading to external electrical network, when night or while there is no the situation of solar light irradiation, combining inverter 4012 detects the DC voltage value of solar cell 4011 inputs lower than the safety value of setting, and the DC voltage value of the battery of power storage module 404 input higher than set safety value time, the first switch 4013 disconnects, until after the safety time of delay adjustments, second switch 4043 closures, the power supply of the first supply module 401 is cut off, power storage module 404 is started working, battery 4042 provides dc source to convert the 3rd AC power to combining inverter 4012, grid-connected by interior electrical network module 402 and the second AC power, be understandable that, this battery 4042 passes through TRT, wind-power electricity generation for example, be not specifically limited herein, electric energy accumulators 4042 is provided, it should be noted that, the power of battery 4042 can be to match with the inverter power value of combining inverter 4012, the 4th AC power of the 3rd AC power and the grid-connected generation of the second AC power is for refrigeration module 405 operations.
In the present embodiment, by combining inverter being arranged in blended electric power water heater, when making water heater directly to obtain energy-saving electric power by combining inverter, do not affect the use of other external power source, and, by the unnecessary power supply that combining inverter is produced, feed back to supply socket, for outside electric loading, the feature of environmental protection and energy saving have been improved further, and the battery designs of power storage module, just can realize under the condition that cannot work at the first supply module, can continue further to provide green energy to carry out grid-connected, and then, continue to keep the feature of environmental protection and energy saving, simultaneously, the design that the first switch passes through to switch different duties with second switch, realized more energy-conservation function, the heat energy that absorbs outside air by refrigeration module heats water tank, thereby further improved energy saving.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the specific works process of the module of foregoing description, can, with reference to the corresponding process in previous embodiment, not repeat them here.
In the several embodiment that provide in the application, should be understood that, disclosed blended electric power water heater, can realize by another way.For example, device embodiment described above is only schematic, for example, the division of described module, be only that a kind of logic function is divided, during actual realization, can have other dividing mode, for example a plurality of unit or assembly can in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out.Another point, shown or discussed coupling each other or direct-coupling can be by some interfaces, the INDIRECT COUPLING of module can be electrically, machinery or other form.
In addition, each functional module in each embodiment of the present invention can be integrated in a processing unit, can be also that the independent physics of unit exists, and also can be integrated in a unit two or more unit.
The above, above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (7)
1. a blended electric power water heater, is characterized in that, comprising:
The first supply module, is connected with interior electrical network module by power line, for the power supply of the solar energy conversion of obtaining is offered to interior electrical network module, comprising:
Wherein, described the first supply module comprises: solar cell and combining inverter;
Described solar cell, for obtaining solar energy, and converts solar energy to dc source and exports to described interior electrical network module;
Described combining inverter, for converting described dc source to first AC power, and offers described interior electrical network module;
External power grid module, for inputting external power grid the second AC power into interior electrical network module, wherein by supply socket, comprise: described supply socket, by described power line, be connected with described interior electrical network module, for receiving described the second AC power, and offer described interior electrical network module;
Described interior electrical network module, by described power line, be connected with described supply socket with described the first supply module, for described the first AC power and the second AC power that receive is grid-connected, make described blended electric power water heater pass through described power work after grid-connected;
Wherein, when described blended electric power water heater is not worked, described the first AC power that described interior electrical network module provides by described combining inverter is transferred to described supply socket using by electric loading to external power grid.
2. blended electric power water heater according to claim 1, is characterized in that, also comprises:
Power storage module, is connected with described the first supply module by described power line, for storing power supply, comprising:
TRT, for obtaining external power source;
Battery, is connected with described combining inverter by described power line, for storing described external power source.
3. blended electric power water heater according to claim 1, is characterized in that, described the first supply module also comprises:
The first switch, by power line, be connected between described solar cell and described combining inverter, for when described the first supply module is powered, closed described the first switch, make described the first AC power and the second AC power grid-connected, described blended electric power water heater is by described power work after grid-connected.
4. according to the blended electric power water heater described in any one in claims 1 to 3, it is characterized in that,
Described power storage module is provided with second switch, for stopping power supply when described the first supply module, when described the first switch disconnects, described battery provides described external power source to be converted to the 3rd AC power and the grid-connected generation of described the second AC power the 4th AC power to described combining inverter, and described blended electric power water heater is worked by described the 4th AC power.
5. blended electric power water heater according to claim 2, is characterized in that,
When described the first supply module and described external power grid module are stopped power supply, described battery provides described external power source to be converted to the 3rd AC power to described combining inverter, and described blended electric power water heater is worked by described the 3rd AC power.
6. blended electric power water heater according to claim 1, is characterized in that, also comprises:
Refrigeration module, comprises off-premises station and boiler, for the power supply providing by described interior electrical network module, makes outside low temperature absorption produce high temperature to described off-premises station, heats described boiler.
7. blended electric power water heater according to claim 6, is characterized in that, described off-premises station specifically comprises:
Throttling arrangement, for carrying out throttling processing by liquid refrigerant;
Heat exchanger, for carrying out evaporation process by described liquid refrigerant;
Heat exchange fan, for the described liquid refrigerant after evaporation process and air are carried out to heat exchange processing, becomes gaseous refrigerant;
Compressor, for by the described gaseous refrigerant circulation compression after heat exchange, obtains hot water and is transferred to described boiler.
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| CN201310684442.8A CN103629814A (en) | 2013-12-13 | 2013-12-13 | Hybrid electric water heater |
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| CN201310684442.8A CN103629814A (en) | 2013-12-13 | 2013-12-13 | Hybrid electric water heater |
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