Double-storage energy supply system of photovoltaic photo-thermal coupled air source heat pump

Abstract

A double-storage energy supply system of a photovoltaic photo-thermal coupled air source heat pump comprises a solar photovoltaic power supply system, an air source heat pump heat supply system, a solar photo-thermal heat supply system, a heat storage heat supply system, a water return pipeline and a water supply pipeline. The solar photovoltaic power supply system is electrically connected with the air source heat pump heat supply system and supplies power to the air source heat pump heat supply system, and the air source heat pump heat supply system and the solar photo-thermal heat supply system both communicate with the heat storage and heat supply system and supply heat to the heat storage and heat supply system. The air source heat pump heat supply system, the solar photo-thermal heat supply system and the heat storage heat supply system are all communicated with a water return pipeline and a water supply pipeline. According to the utility model, energy sources comprise commercial power, photovoltaic energy and photo-thermal energy, so that the purpose of energy complementation can be achieved; meanwhile, air source, photovoltaic, photo-thermal, power storage and heat storage are coupled, multi-energy coupling is achieved, and the cleanliness and supportability of the system are improved; according to the utility model, free photo-thermal and photovoltaic are utilized, and valley electricity price can be fully utilized through the energy storage system.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of heating system, and specifically point to a kind of photovoltaic photo-thermal coupling air source heat pump's dual energy storage and supply system. BACKGROUND

[0002] With the adjustment of heating structure, traditional fossil energy is gradually replaced by clean energy, and the adjustment of power structure is coordinated, the scale of heating electrification is gradually expanded, and the market demand of power as heating energy is increasing. As a conventional efficient electric heating system, air source heat pump faces more and more market and more and more use scene, and pure air source heat pump system cannot meet the demand, and multiple energy coupling and complementation are needed to meet the demand of efficient, clean and energy-saving heating.

[0003] The efficiency of air source heat pump is high when the temperature is high, and the heating load is large when the temperature is low, so the efficiency characteristics of air source heat pump and the demand characteristics of heating load are opposite, and at present, peak and valley electricity price is implemented in various places, and electricity price is the most critical parameter of air source heat pump project operation cost. At present, the main problems of air source heat pump as heating system are as follows: 1. Single energy source structure, generally using mains as driving energy, which may not realize clean heating in power shortage area; 2. High operation cost, the operation cost of energy mode mainly using mains is directly related to electricity price. CONTENT OF UTILITY MODEL

[0004] The utility model provides a kind of photovoltaic photo-thermal coupling air source heat pump's dual energy storage and supply system, and its main purpose is to overcome the problem of single energy source structure and high operation cost when existing air source heat pump is used as heating system.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0006] A kind of photovoltaic photo-thermal coupling air source heat pump's dual energy storage and supply system, including solar photovoltaic power supply system, air source heat pump heating system, solar photo-thermal heating system, heat storage heating system, return water pipeline and water supply pipeline, the solar photovoltaic power supply system is electrically connected with air source heat pump heating system and supplies power for air source heat pump heating system, the air source heat pump heating system and solar photo-thermal heating system are communicated with heat storage heating system and supply heat for heat storage heating system, the air source heat pump heating system, solar photo-thermal heating system and heat storage heating system are communicated with return water pipeline and water supply pipeline.

[0007] Further, the solar photovoltaic power supply system includes an electric storage module, a solar photovoltaic panel and a mains interface, the solar photovoltaic panel and the mains interface are electrically connected with the electric storage module, and the electric storage module is electrically connected with the air source heat pump heating system.

[0008] Further, the heat storage and supply system comprises a heat storage module, a high-temperature water pipeline, a low-temperature water pipeline, a heat storage system circulating pump, a heat supply system plate heat exchanger and a heat supply system circulating pump, the high-temperature water pipeline is in communication with the heat medium inlet of the heat storage module and the heat supply system plate heat exchanger, the low-temperature water pipeline is in communication with the cold medium outlet of the heat storage module and the heat supply system plate heat exchanger, the heat storage system circulating pump is connected between the high-temperature water pipeline and the heat medium inlet of the heat supply system plate heat exchanger, the heat supply system circulating pump is connected between the return water pipeline and the cold medium inlet of the heat supply system plate heat exchanger, the heat medium outlet of the heat supply system plate heat exchanger is in communication with the water supply pipeline, the first heat storage electric regulating valve and the second heat storage electric regulating valve are arranged on the high-temperature water pipeline, and the third heat storage electric regulating valve and the fourth heat storage electric regulating valve are arranged on the low-temperature water pipeline.

[0009] Further, the heat supply system plate heat exchanger is provided with a heat supply system plate heat exchanger shut-off valve at the cold medium inlet, the cold medium outlet, the heat medium inlet and the heat medium outlet.

[0010] Further, the air source heat pump heat supply system comprises a plurality of air source heat pumps, an air source heat pump circulating pump, an air source heat pump water inlet pipeline and an air source heat pump water outlet pipeline, the air source heat pump water inlet pipeline is in communication with the water inlets of the plurality of air source heat pumps and the low-temperature water pipeline, the communication position of the air source heat pump water inlet pipeline and the low-temperature water pipeline is between the third heat storage electric regulating valve and the fourth heat storage electric regulating valve, the air source heat pump circulating pump is arranged on the air source heat pump water inlet pipeline, the air source heat pump water outlet pipeline is in communication with the water outlets of the plurality of air source heat pumps and the high-temperature water pipeline, and the communication position of the air source heat pump water outlet pipeline and the high-temperature water pipeline is between the first heat storage electric regulating valve and the second heat storage electric regulating valve.

[0011] Further, the air source heat pump water inlet pipeline and the air source heat pump water outlet pipeline are provided with an air source heat pump electric regulating valve and an air source heat pump shut-off valve.

[0012] Further, the air source heat pump water inlet pipeline and the air source heat pump water outlet pipeline are connected by an air source heat pump bypass pipeline, and the air source heat pump bypass pipeline is connected with an air source heat pump bypass valve.

[0013] Further, the solar heat supply system comprises a plurality of solar collectors, a solar heat supply system heat collection circulating pump, a solar heat supply system plate heat exchanger, a solar heat supply system heat release circulating pump, a heat supply return water inlet pipeline, a heat supply return water outlet pipeline, a heat supply hot water inlet pipeline and a heat supply hot water outlet pipeline, the heat supply return water inlet pipeline is communicated with the air source heat pump water inlet pipeline and the cold medium inlet of the solar heat supply system plate heat exchanger, the solar heat supply system heat release circulating pump is connected to the heat supply return water inlet pipeline, the heat supply return water outlet pipeline is communicated with the cold medium outlet of the solar heat supply system plate heat exchanger and the water inlets of the plurality of solar collectors, the heat supply hot water inlet pipeline is communicated with the water outlets of the plurality of solar collectors and the hot medium inlet of the solar heat supply system plate heat exchanger, the solar heat supply system heat collection circulating pump is connected to the heat supply hot water inlet pipeline, and the heat supply hot water outlet pipeline is communicated with the hot medium outlet of the solar heat supply system plate heat exchanger and the air source heat pump water outlet pipeline.

[0014] Further, the heat supply return water inlet pipeline and the heat supply hot water outlet pipeline are each provided with a solar heat supply system electric regulating valve, the cold medium inlet, the cold medium outlet, the hot medium inlet and the hot medium outlet of the solar heat supply system plate heat exchanger are each provided with a solar heat supply system plate heat exchanger shutoff valve, and the water inlets and the water outlets of the solar collectors are each provided with a solar collector shutoff valve.

[0015] Further, a heat supply bypass pipeline is arranged between the heat supply return water inlet pipeline and the heat supply hot water outlet pipeline, and a heat supply bypass valve is arranged on the heat supply bypass pipeline.

[0016] As can be seen from the above description of the utility model, compared with the prior art, the utility model has the following advantages: 1. The energy sources of the utility model include commercial power, photovoltaic and photothermal energy, and the purpose of energy complementation can be achieved; 2. The utility model couples air source, photovoltaic, photothermal, energy storage and heat storage, and multi-energy coupling improves the cleanliness and security of the system; 3. The utility model utilizes free photothermal and photovoltaic energy, and also makes full use of valley electricity prices through the energy storage system; 4. The heat supply system of the utility model can participate in source-grid-load-storage integration as an energy storage body and participate in power grid peak shaving. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The system principle diagram of the utility model. DETAILED DESCRIPTION

[0018] REFERENCE Figure 1The application discloses a dual energy storage and supply system of a photovoltaic and photo-thermal coupled air source heat pump, which comprises a solar photovoltaic power supply system 1, an air source heat pump heating system 2, a solar photo-thermal heating system 3, a heat storage heating system 4, a return water pipeline 5 and a water supply pipeline 6.

[0019] With reference to Figure 1 The solar photovoltaic power supply system 1 comprises an electricity storage module 11, a solar photovoltaic panel 12 and a commercial power interface 13, wherein the solar photovoltaic panel 12 and the commercial power interface 13 are electrically connected with the electricity storage module 11, and the electricity storage module 11 is electrically connected with the air source heat pump heating system 2.

[0020] With reference to Figure 1 The heat storage heating system 4 comprises a heat storage module 41, a high-temperature water pipeline 42, a low-temperature water pipeline 43, a heat storage system circulating pump 44, a heating system plate heat exchanger 45 and a heating system circulating pump 46. The heating system plate heat exchanger 45 has a cold medium inlet, a cold medium outlet, a hot medium inlet and a hot medium outlet, which are existing structures and will not be described herein. The high-temperature water pipeline 42 is in communication with the heat storage module 41 and the hot medium inlet of the heating system plate heat exchanger 45, the low-temperature water pipeline 43 is in communication with the heat storage module 41 and the cold medium outlet of the heating system plate heat exchanger 45, the heat storage system circulating pump 44 is connected between the high-temperature water pipeline 42 and the hot medium inlet of the heating system plate heat exchanger 45, the heating system circulating pump 46 is connected between the return water pipeline 5 and the cold medium inlet of the heating system plate heat exchanger 45, and the hot medium outlet of the heating system plate heat exchanger 45 is in communication with the water supply pipeline 6. The high-temperature water pipeline 42 is provided with a first heat storage electric regulating valve 47 and a second heat storage electric regulating valve 48, the low-temperature water pipeline 13 is provided with a third heat storage electric regulating valve 49 and a fourth heat storage electric regulating valve 40, and the second heat storage electric regulating valve 48 and the fourth heat storage electric regulating valve 40 are close to the heat storage module 41. The cold medium inlet, the cold medium outlet, the hot medium inlet and the hot medium outlet of the heating system plate heat exchanger 45 are all provided with a heating system plate heat exchanger shut-off valve 451.

[0021] With reference to Figure 1The air source heat pump heating system 2 comprises multiple sets of air source heat pumps 21, an air source heat pump circulating pump 22, an air source heat pump water inlet pipeline 23 and an air source heat pump water outlet pipeline 24. The air source heat pump water inlet pipeline 23 is in communication with the water inlets of the multiple sets of air source heat pumps 21 and the low-temperature water pipeline 43, the communication position of the air source heat pump water inlet pipeline 23 and the low-temperature water pipeline 43 is between the third heat storage electric regulating valve 49 and the fourth heat storage electric regulating valve 40, and the air source heat pump circulating pump 22 is arranged on the air source heat pump water inlet pipeline 23. The air source heat pump water outlet pipeline 24 is in communication with the water outlets of the multiple sets of air source heat pumps 21 and the high-temperature water pipeline 42, the communication position of the air source heat pump water outlet pipeline 24 and the high-temperature water pipeline 42 is between the first heat storage electric regulating valve 47 and the second heat storage electric regulating valve 48. The power storage module 11 is electrically connected with the multiple sets of air source heat pumps 21, thereby supplying power for the multiple sets of air source heat pumps 21.

[0022] With reference to Figure 1 The air source heat pump water inlet pipeline 23 and the air source heat pump water outlet pipeline 24 are both provided with air source heat pump electric regulating valves 25 and air source heat pump shut-off valves 26. The air source heat pump water inlet pipeline 23 and the air source heat pump water outlet pipeline 24 are connected with an air source heat pump bypass pipeline 27, and the air source heat pump bypass pipeline 27 is connected with an air source heat pump bypass valve 28.

[0023] With reference to Figure 1 The solar light and heat heating system 3 comprises multiple solar heat collectors 31, a solar light and heat system heat collection circulating pump 32, a solar light and heat system plate heat exchanger 33, a solar light and heat system heat release circulating pump 34, a heating return water inlet pipeline 35, a heating return water outlet pipeline 36, a heating hot water inlet pipeline 37 and a heating hot water outlet pipeline 38. The heating return water inlet pipeline 35 is in communication with the air source heat pump water inlet pipeline 23 and the cold medium inlet of the solar light and heat system plate heat exchanger 33, the solar light and heat system heat release circulating pump 34 is connected to the heating return water inlet pipeline 35, the heating return water outlet pipeline 36 is in communication with the cold medium outlet of the solar light and heat system plate heat exchanger 33 and the water inlets of the multiple solar heat collectors 31, the heating hot water inlet pipeline 37 is in communication with the water outlets of the multiple solar heat collectors 31 and the hot medium inlet of the solar light and heat system plate heat exchanger 33, the solar light and heat system heat collection circulating pump 32 is connected to the heating hot water inlet pipeline 37, and the heating hot water outlet pipeline 38 is in communication with the hot medium outlet of the solar light and heat system plate heat exchanger 35 and the air source heat pump water outlet pipeline 24. The solar light and heat system plate heat exchanger 33 has a cold medium inlet, a cold medium outlet, a hot medium inlet and a hot medium outlet, and the solar heat collector 31 has a water inlet and a water outlet, which are existing structures and will not be described here.

[0024] With reference toFigure 1 The solar heat supply system electric regulating valve 39 is arranged on the heat supply return water inlet pipeline 35 and the heat supply hot water outlet pipeline 38, the solar photothermal system plate heat exchanger shut-off valve 331 is arranged at the cold medium inlet, the cold medium outlet, the hot medium inlet and the hot medium outlet of the solar photothermal system plate heat exchanger 33, and the solar collector shut-off valve 311 is arranged at the water inlet and the water outlet of the solar collector 31. The heat supply bypass pipeline 30 is arranged between the heat supply return water inlet pipeline 35 and the heat supply hot water outlet pipeline 38, and the heat supply bypass valve 301 is arranged on the heat supply bypass pipeline 30.

[0025] With reference to Figure 1 The working principle of the utility model is as follows:

[0026] I. The heat supply operation condition in the daytime and the solar photothermal heat supply system 3 meets the heat supply demand: the solar photothermal heat supply system 3 collects heat through the solar collector 31, and the heat meets the heat supply demand; the solar heat supply system electric regulating valves 39 on the heat supply return water inlet pipeline 35 and the heat supply hot water outlet pipeline 38 are fully opened to supply heat to the outside. At the same time, the electric energy generated by the solar photovoltaic panel 12 of the solar photovoltaic power supply system 1 is stored in the storage module 11, the air source heat pump heat supply system 2 does not operate, the electric energy consumption is reduced, and the air source heat pump electric regulating valves 25 on the air source heat pump inlet pipeline 23 and the air source heat pump outlet pipeline 24 are fully closed. In order to preferentially meet the demand of the heat supply system, the first heat storage electric regulating valve 47 and the third heat storage electric regulating valve 49 are fully opened, and the second heat storage electric regulating valve 48 and the fourth heat storage electric regulating valve 40 are fully closed; when the heat supply amount exceeds the heat supply demand, the second heat storage electric regulating valve 48 and the fourth heat storage electric regulating valve 40 are opened, and the mode of storing and supplying at the same time is started.

[0027] II. Daytime heating operation condition and solar thermal heating system 3 does not meet the heating demand: the solar thermal heating system 3 collects heat through the solar collector 31, and the heat meets the heating demand. The solar heating system electric regulating valve 39 on the heating return water inlet pipeline 35 and the heating hot water outlet pipeline 38 is fully opened, and external heating is supplied. At the same time, the solar photovoltaic power supply system 1 generates electric energy output to the air source heat pump 21 of the air source heat pump heating system 2, and the excess electric energy is stored in the power storage module 11. The air source heat pump 21 of the air source heat pump heating system 2 is driven to operate by the electric energy generated by the solar photovoltaic power supply system 1. The air source heat pump electric regulating valve 25 on the air source heat pump inlet pipeline 23 and the air source heat pump outlet pipeline 24 is fully opened, and external heating is supplied. In order to preferentially meet the heating system demand, the first heat storage electric regulating valve 47 and the third heat storage electric regulating valve 49 are fully opened, and the second heat storage electric regulating valve 48 and the fourth heat storage electric regulating valve 40 are fully closed. When the heating capacity exceeds the heating demand, the second heat storage electric regulating valve 48 and the fourth heat storage electric regulating valve 40 are opened, and the mode of storing and supplying simultaneously is started.

[0028] III. Nighttime heating operation condition and the heat storage module 41 of the heat storage heating system 4 meets the heating demand: the air source heat pump heating system 2 does not operate, and the air source heat pump electric regulating valve 25 on the air source heat pump inlet pipeline 23 and the air source heat pump outlet pipeline 24 is fully closed; the solar photovoltaic power supply system 1 and the solar thermal heating system 3 do not operate, and the solar heating system electric regulating valve 39 on the heating return water inlet pipeline 35 and the heating hot water outlet pipeline 38 is fully closed; the heat storage module 41 supplies heat to the outside, and the first heat storage electric regulating valve 47, the second heat storage electric regulating valve 48, the third heat storage electric regulating valve 49 and the fourth heat storage electric regulating valve 40 are fully opened.

[0029] IV. Nighttime heating operation condition and the heat storage module 41 of the heat storage heating system 4 does not meet the heating demand: the power storage module 11 of the solar photovoltaic power supply system 1 preferentially supplies power, and the insufficient part is supplemented by using commercial power; the heat storage module 41 of the heat storage heating system 4 preferentially supplies heat, and the first heat storage electric regulating valve 47, the second heat storage electric regulating valve 48, the third heat storage electric regulating valve 49 and the fourth heat storage electric regulating valve 40 are fully opened. When the heat of the heat storage module 41 does not meet the demand, the air source heat pump 21 of the air source heat pump heating system 2 is switched to supply heat, and the second heat storage electric regulating valve 48 and the fourth heat storage electric regulating valve 40 are closed. The air source heat pump 21 of the air source heat pump heating system 2 is turned on to supply heat to the outside, and the air source heat pump electric regulating valve 25 on the air source heat pump inlet pipeline 23 and the air source heat pump outlet pipeline 24 is fully opened.

[0030] V. Daytime energy storage mode: the solar photovoltaic panel 12 of the solar photovoltaic power supply system 1 generates electricity, which is preferentially stored in the power storage module 11, and when the power storage module 11 is full, the air source heat pump 21 of the air source heat pump heating system 2 is powered; the air source heat pump 21 of the air source heat pump heating system 2 receives excess photovoltaic power, and starts to supply heat externally, and the air source heat pump electric regulating valve 25 on the air source heat pump water inlet pipeline 23 and the air source heat pump water outlet pipeline 24 is fully open; the first heat storage electric regulating valve 47, the second heat storage electric regulating valve 48, the third heat storage electric regulating valve 49 and the fourth heat storage electric regulating valve 40 are fully open, and the edge supply and storage mode is started, so that the excess electricity generated by the solar photovoltaic panel 12 is stored in the heat storage module 41 in the form of heat energy.

[0031] VI. Response to grid peak shaving condition and in heating season: when the grid has a peak shaving demand, the power grid electricity is first stored in the power storage module 11 of the solar photovoltaic power supply system 1, and when the capacity of the power storage module 11 is full, the air source heat pump 21 is started to supply heat externally, and the air source heat pump electric regulating valve 25 on the air source heat pump water inlet pipeline 23 and the air source heat pump water outlet pipeline 24 is fully open; the first heat storage electric regulating valve 47, the second heat storage electric regulating valve 48, the third heat storage electric regulating valve 49 and the fourth heat storage electric regulating valve 40 are fully open, and the edge supply and storage mode is started, so that the excess electricity is stored in the heat storage module 41 in the form of heat energy.

[0032] VII. Response to grid peak shaving condition and in non-heating season: when the grid has a peak shaving demand, the power grid electricity is first stored in the power storage module 11 of the solar photovoltaic power supply system 1, and when the capacity of the power storage module 11 is full, the air source heat pump 21 is started to supply heat externally, and the air source heat pump electric regulating valve 25 on the air source heat pump water inlet pipeline 23 and the air source heat pump water outlet pipeline 24 is fully open; the second heat storage electric regulating valve 48 and the fourth heat storage electric regulating valve 40 are fully open, the first heat storage electric regulating valve 47 and the third heat storage electric regulating valve 49 are fully closed, and the heat storage module 41 is started in the heat storage mode, so that the excess electricity is stored in the form of heat; the heat in the heat storage heating system 4 can provide domestic hot water through the original heating system, release the stored heat, and at the same time receive a benefit.

[0033] The above is only a specific embodiment of the present application, but the design concept of the present application is not limited thereto, and any non-substantial change made by using the concept should be regarded as an infringement of the protection scope of the present application.

Claims

1. A dual energy storage and supply system of a photovoltaic photo-thermal coupled air source heat pump, characterized in that: The solar photovoltaic power supply system, the air source heat pump heating system, the solar photothermal heating system, the heat storage heating system, the return water pipeline and the water supply pipeline are connected with each other.

2. The dual energy storage and supply system of claim 1, wherein: The solar photovoltaic power supply system comprises an electricity storage module, a solar photovoltaic panel and a commercial power interface, the solar photovoltaic panel and the commercial power interface are electrically connected with the electricity storage module, and the electricity storage module is electrically connected with the air source heat pump heating system.

3. The dual energy storage and supply system of claim 1, wherein: The heat storage heating system comprises a heat storage module, a high-temperature water pipeline, a low-temperature water pipeline, a heat storage system circulating pump, a heating system plate heat exchanger and a heating system circulating pump, the high-temperature water pipeline is in communication with the heat storage module and the heating medium inlet of the heating system plate heat exchanger, the low-temperature water pipeline is in communication with the heat storage module and the cold medium outlet of the heating system plate heat exchanger, the heat storage system circulating pump is connected between the high-temperature water pipeline and the heating medium inlet of the heating system plate heat exchanger, the heating system circulating pump is connected between the return water pipeline and the cold medium inlet of the heating system plate heat exchanger, the heating medium outlet of the heating system plate heat exchanger is in communication with the water supply pipeline, and the high-temperature water pipeline is provided with a first heat storage electric regulating valve and a second heat storage electric regulating valve, and the low-temperature water pipeline is provided with a third heat storage electric regulating valve and a fourth heat storage electric regulating valve.

4. The dual energy storage and supply system of claim 3, wherein: The cold medium inlet, the cold medium outlet, the heating medium inlet and the heating medium outlet of the heating system plate heat exchanger are all provided with a heating system plate heat exchanger shutoff valve.

5. The dual energy storage and supply system of claim 3, wherein: The air source heat pump heating system comprises a plurality of air source heat pumps, an air source heat pump circulating pump, an air source heat pump water inlet pipeline and an air source heat pump water outlet pipeline, the air source heat pump water inlet pipeline is in communication with the water inlets of the plurality of air source heat pumps and the low-temperature water pipeline, the communication position of the air source heat pump water inlet pipeline and the low-temperature water pipeline is between the third heat storage electric regulating valve and the fourth heat storage electric regulating valve, the air source heat pump circulating pump is arranged on the air source heat pump water inlet pipeline, the air source heat pump water outlet pipeline is in communication with the water outlets of the plurality of air source heat pumps and the high-temperature water pipeline, and the communication position of the air source heat pump water outlet pipeline and the high-temperature water pipeline is between the first heat storage electric regulating valve and the second heat storage electric regulating valve.

6. A dual energy storage and supply system of a photovoltaic-photo thermal coupled air source heat pump according to claim 5, characterized in that: The air source heat pump water inlet pipeline and the air source heat pump water outlet pipeline are both provided with an air source heat pump electric regulating valve and an air source heat pump shutoff valve.

7. The dual energy storage and supply system of claim 5, wherein: The air source heat pump water inlet pipeline and the air source heat pump water outlet pipeline are connected with an air source heat pump bypass pipeline, and the air source heat pump bypass pipeline is connected with an air source heat pump bypass valve.

8. The dual energy storage and supply system of claim 5, wherein: The solar light and heat heating system comprises a plurality of solar heat collectors, a solar light and heat system heat collection circulating pump, a solar light and heat system plate heat exchanger, a solar light and heat system heat release circulating pump, a heating return water inlet pipeline, a heating return water outlet pipeline, a heating hot water inlet pipeline and a heating hot water outlet pipeline.

9. The dual energy storage and supply system of claim 8, wherein: The heating return water inlet pipeline and the heating hot water outlet pipeline are each provided with a solar heating system electric regulating valve, the cold medium inlet, the cold medium outlet, the hot medium inlet and the hot medium outlet of the solar light and heat system plate heat exchanger are each provided with a solar light and heat system plate heat exchanger shutoff valve, and the water inlet and the water outlet of the solar heat collector are each provided with a solar heat collector shutoff valve.

10. The dual energy storage and supply system of claim 8, wherein: The heating return water inlet pipeline and the heating hot water outlet pipeline are connected through a heating bypass pipeline, and the heating bypass pipeline is provided with a heating bypass valve.

Images