CN221630064U

CN221630064U - Comprehensive energy supply system

Info

Publication number: CN221630064U
Application number: CN202323276633.9U
Authority: CN
Inventors: 葛然; 韩胜
Original assignee: Beijing Jinfeng Zero Carbon Energy Co ltd
Current assignee: Beijing Jinfeng Zero Carbon Energy Co ltd
Priority date: 2023-12-01
Filing date: 2023-12-01
Publication date: 2024-08-30
Anticipated expiration: 2033-12-01

Abstract

The utility model provides a comprehensive energy supply system, which comprises: a renewable power generation device; the energy storage device is electrically connected with the renewable power generation device; an electric heating device electrically connected with the renewable power generation equipment and the energy storage equipment and heating the input domestic water to provide first domestic water with a temperature in a first temperature range; the heat pump is electrically connected with the renewable power generation equipment and the energy storage equipment, receives first backwater of a first user and provides first water supply for the first user; and the water energy storage device is used for receiving the first backwater and/or the second water supply provided by the heat pump and providing the first water supply for the first user. The integrated energy supply system according to embodiments of the present disclosure is capable of achieving zero or near zero carbon emissions.

Description

Comprehensive energy supply system

Technical Field

The present utility model relates to an energy supply system, and more particularly, to an integrated energy supply system.

Background

At present, energy consumption is still mainly based on fossil energy sources such as coal, petroleum and natural gas, however, the energy sources are limited and non-renewable. With the increasing severity of problems in energy and environment, renewable energy sources such as wind energy and solar energy have been widely used in various fields such as hot water supply, heating, refrigeration and power supply. Green energy technologies such as solar collectors, photovoltaic power generation, wind power generation and the like, energy-saving equipment, comprehensive energy utilization and the like are greatly popularized, and the energy-saving concept is gradually popularized.

The current comprehensive energy supply system mainly focuses on equipment integration and development and energy cascade utilization, and zero or near-zero carbon emission is difficult to realize. In addition, part of comprehensive energy supply systems comprise complex systems such as a hydrogen production system, a fuel cell system and the like, the energy supply scheme is complex, and the operation is complex during deployment and implementation. Moreover, the existing comprehensive energy system is deficient in terms of ensuring the overall storage and regulation capacity of the system, and needs a large amount of initial investment, so that the cost is high.

Disclosure of utility model

The present utility model aims to overcome at least one of the above technical problems.

The utility model aims to provide a comprehensive energy supply system with zero or near-zero carbon emission.

According to a first aspect of the present disclosure, there is provided an integrated energy supply system including: a renewable power generation device; the energy storage device is electrically connected with the renewable power generation device; an electric heating device electrically connected with the renewable power generation equipment and the energy storage equipment and heating the input domestic water to provide first domestic water with a temperature in a first temperature range; the heat pump is electrically connected with the renewable power generation equipment and the energy storage equipment, receives first backwater of a first user and provides first water supply for the first user; and the water energy storage device is used for receiving the first backwater and/or the second water supply provided by the heat pump and providing the first water supply for the first user.

According to embodiments of the present disclosure, the integrated energy supply system may further include a solar collector connected with the electric heating device and providing the second domestic hot water to the electric heating device and/or the second user.

According to embodiments of the present disclosure, the integrated energy supply system may further include an electric steam generator electrically connected to the renewable power generation device and the energy storage device and providing steam to the steam consumer, and a steam heat accumulator connected to the electric steam generator for storing thermal energy of the steam.

According to embodiments of the present disclosure, the renewable power generation apparatus may include a photovoltaic power generation apparatus and a wind power generation apparatus electrically connected with the energy storage apparatus, respectively, and each of the electric heating device and the heat pump is electrically connected with the photovoltaic power generation apparatus and the wind power generation apparatus, respectively.

According to embodiments of the present disclosure, the heat pump may comprise at least one of an air source heat pump, a water source heat pump, or a soil source heat pump.

According to an embodiment of the present disclosure, the water storage device is operable in a heating mode, the heat pump provides a second water supply to the water storage device when the total available power of the renewable power generation apparatus and the energy storage apparatus is greater than or equal to a first preset threshold, and the temperature of the second water supply is higher than the temperature of the first water supply, the heat pump provides the first water supply when the total available power of the renewable power generation apparatus and the energy storage apparatus is less than the first preset threshold, and the temperature of each of the first water supply, the second water supply, and the first return water is higher than the first preset temperature.

According to an embodiment of the present disclosure, the water storage device is operable in a cooling mode, the heat pump provides a second water supply to the water storage device when a total power supply of the renewable power generation and energy storage device is greater than or equal to a second preset threshold, the heat pump provides a first water supply when a total power supply of the renewable power generation and energy storage device is less than the second preset threshold, and a temperature of the second water supply is lower than a temperature of the first water supply, and a temperature of each of the first water supply, the second water supply, and the first return water is lower than a second preset temperature, wherein the first preset temperature is greater than the second preset temperature.

According to embodiments of the present disclosure, the heat pump may include a heat recovery module for providing the second domestic hot water to the second user.

According to an embodiment of the present disclosure, the heat pump may be connected to an electrical heating device.

According to embodiments of the present disclosure, the renewable power generation device and the energy storage device may provide power to a consumer of electricity, and the electrical heating apparatus provides first live hot water to a third consumer.

The integrated energy supply system according to the embodiments of the present disclosure can be applied in the context of various types of energy demands (including electricity, domestic hot water, cold or heat).

The comprehensive energy supply system according to the embodiment of the disclosure solves the problem of fluctuation of new energy power by utilizing technologies such as electric energy storage, water energy storage and the like, and ensures the stability of the comprehensive energy supply system.

According to the comprehensive energy supply system, when domestic hot water is supplied, the solar heat collector is firstly used, and then the electric heating device is used, so that the cascade utilization of energy is realized, and the energy utilization rationality of the whole system is improved.

Drawings

The above and other objects, features and advantages of the present utility model will become more apparent from the following detailed description taken in conjunction with the accompanying drawings in which:

Fig. 1 is a block diagram showing an integrated energy supply system according to a first embodiment of the present utility model;

Fig. 2 is a block diagram illustrating an integrated power supply system according to a second embodiment of the present utility model.

Detailed Description

The following detailed description is provided to help gain a comprehensive understanding of the methods, apparatus, and/or systems described herein. However, the order of the operations described herein is merely an example and is not limited to those set forth herein, but equivalent substitutions or changes may be made in addition to operations that must occur or be performed in a specific order. In addition, descriptions of the contents well known in the art will be omitted or simplified for the sake of clarity and conciseness.

Unless defined otherwise, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs after understanding this disclosure. Unless explicitly so defined herein, terms (such as those defined in a general dictionary) should be construed to have meanings consistent with their meanings in the context of the relevant art and the present disclosure, and should not be interpreted idealized or overly formal.

Unless specifically stated otherwise, like numbers generally refer to like elements (e.g., components, steps, and methods). The reference numerals described in the previous embodiments, which are again present in the latter embodiments, may be omitted. In addition, technical features described in different or the same embodiment may be combined in any manner as long as the combined embodiment or technical solution is complete and can solve the technical problem of the present application or realize technical effects described or not described in the present application but can be determined according to the complete technical solution.

The following is a brief description of terms used in this disclosure.

Photovoltaic power generation equipment: the power generation equipment for directly converting light energy into electric energy by utilizing the photovoltaic effect of a semiconductor interface mainly comprises a solar panel (component), a controller and an inverter. The solar cells are packaged and protected after being connected in series to form a large-area solar cell module, and then the solar cell module is matched with components such as a power controller, an inverter and the like to form photovoltaic power generation equipment.

Wind power generation equipment: and a device for converting the kinetic energy of wind into mechanical kinetic energy and then converting the mechanical energy into electric energy.

Solar collector: a solar collector is a device that absorbs solar radiation energy and transfers heat to a working medium.

Heat pump: the energy-saving device can transfer heat from high-temperature object to low-temperature object, but not in opposite direction. The working principle of the heat pump is a mechanical device which forces heat to flow from a low-temperature object to a high-temperature object in a reverse circulation mode, only a small amount of reverse circulation net work is consumed, larger heat supply can be obtained, and low-grade heat energy which is difficult to apply can be effectively utilized to achieve the purpose of energy conservation. The heat pump generally obtains low-grade heat energy from air, water or soil in nature, performs work through electric power, and then provides high-grade heat energy which can be utilized for users.

Energy storage device: the capacity of the power generation equipment put into operation in the power supply system is higher than the power consumption, and the electric energy (such as redundant electric energy) can be stored to adjust the equipment used when the standby electric energy rises.

Water energy storage device: the water energy storage device can be used for starting refrigerating equipment to refrigerate by utilizing low-cost electric power in the evening electricity consumption valley period, partially or completely preparing cold energy required by a building or production, storing the cold energy in a low-temperature water mode, releasing the stored cold energy in a low-temperature water mode during the daytime electric load and electricity price peak period, meeting the cold requirements of the building, production and the like, and saving a large amount of operation cost of an air conditioning system. In the water heat storage mode, the water energy storage device starts heating equipment to heat by using low-cost electric power in the evening electricity consumption valley period, partially or completely prepares heat required by a building or production, stores the heat in a high-temperature water form, and releases the stored heat in the high-temperature water form in the daytime electricity load and electricity price peak period so as to meet the heat consumption requirements of the building, production and the like.

The comprehensive energy supply system provided by the embodiment of the utility model can be applied to scenes of various energy demands, can meet various energy demands of users, and realizes zero carbon emission or near zero carbon emission.

Compared with the traditional integrated energy supply system, the integrated energy supply system provided by the embodiment of the utility model realizes zero-carbon energy or near-zero-carbon energy, realizes synchronous supply of various energy forms, solves the fluctuation problem of new energy power (wind power generation, photovoltaic power generation and the like) by utilizing the energy storage equipment and the water energy storage device, and ensures the stability of energy supply of the system. Embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

Fig. 1 is a block diagram showing an integrated energy supply system according to a first embodiment of the present utility model; fig. 2 is a block diagram illustrating an integrated power supply system according to a second embodiment of the present utility model.

Referring to fig. 1 and 2, an integrated energy supply system according to an embodiment of the present disclosure may include a renewable power generation apparatus, an energy storage apparatus 3, an electric heating device 5, a heat pump 6, and a water storage device 7. As an example, the renewable power generation apparatus may include the photovoltaic power generation apparatus 1 and the wind power generation apparatus 2 electrically connected with the energy storage apparatus 3, respectively, however, the renewable power generation apparatus may also include other types of power generation apparatuses, such as a hydro power generation apparatus, and the like.

The renewable power generation apparatus, the energy storage apparatus 3 may be used as a power generation or electricity generation section, the electric heating device 5 may be used as a domestic hot water supply section, and the heat pump 6 and the water storage device 7 may be used as heating/air conditioning sections.

The renewable power generation facility may be the primary power generation facility of the integrated energy supply system of the present disclosure. That is, the integrated energy supply system of the present disclosure may mainly use green energy or new energy as a main energy supply form to realize zero carbon. As an example, the integrated energy supply system of the present disclosure may also draw a small amount of electrical energy from the grid to achieve near zero emissions.

The energy storage device 3 may be electrically connected with the photovoltaic power generation device 1 and the wind power generation device 2 as renewable power generation devices, and the energy storage device 3 may store surplus power when the power supply of the photovoltaic power generation device 1 and the wind power generation device 2 can meet the power demand of the device, and may release power when the power supply of the photovoltaic power generation device 1 and the wind power generation device 2 cannot meet the power demand of the device. If the power supply of the energy storage device 3, the photovoltaic power generation device 1 and the wind power generation device 2 cannot meet the power demand of each device, a small amount of power can be taken from the power grid.

The energy storage device 3 may comprise a mechanical energy storage device (a system for converting electrical energy into mechanical energy for storage and further converting mechanical energy into electrical energy when needed), such as a gravity energy storage device, a flywheel energy storage device, a compressed air energy storage device, etc., and the energy storage device 3 may also comprise a chemical energy storage device, such as a battery energy storage device.

An integrated energy supply system according to embodiments of the present disclosure may include a renewable power generation device, an energy storage device, a heat pump, an electrical heating device, and a water storage device, thereby enabling zero or near zero carbon emissions.

Each of the electric heating device 5 and the heat pump 6 may be electrically connected with the photovoltaic power generation apparatus 1 and the wind power generation apparatus 2, respectively. The electric heating means 5 may be electrically connected to the renewable power generation device and the energy storage device 3 and heat the incoming domestic water to provide first domestic water having a temperature in a first temperature range. Each temperature in the first temperature range here is close to 100 ℃, for example, the first temperature range may be between 90 ℃ and 100 ℃. The domestic water may be normal temperature water or preheated domestic hot water (e.g., water at 50 to 55 ℃).

The electricity used by the electric heating device 5 may come from the photovoltaic power plant 1, the wind power plant 2, the energy storage device 3 or the grid. The electric heating device 5 may preferably consume electric power of the photovoltaic power generation apparatus 1 and the wind power generation apparatus 2. That is, the electric heating device 5 may be activated in a case where the photovoltaic power generation apparatus 1 and the wind power generation apparatus 2 can meet the electricity demand of the respective apparatuses.

Referring to fig. 1, a heat pump 6 may also be electrically connected to the renewable power generation apparatus and the energy storage apparatus 3, the heat pump 6 may receive a first return water of a first user, where the first user may be a cooling/heating user 11, and provide the first user with a first supply of water, and the temperature of the first return water may be between 35 ℃ and 45 ℃ (e.g., 40 ℃). In the cold supply mode, the temperature is about 12 ℃, and in the heat supply mode, the temperature is about 40 ℃.

The heat pump 6 may be an air source heat pump or a water source heat pump or a ground source heat pump, depending on the type of renewable energy source. The heat pump 6 may comprise at least one of an air source gas heat pump, a water source heat pump, or a ground source heat pump. The heat pump 6 may be connected to an electric heating device 5. The type of the heat pump 6 is not particularly limited. As an example, the heat pump 6 may also have a heat recovery function, and the heat pump 6 may comprise a heat recovery module for providing a second user (domestic hot water user 9) with a second domestic hot water (for example, domestic hot water at 55 ℃).

The water storage means 7 may receive the first return water and/or the second water supply provided by the heat pump 6 and provide the first water supply to the first user (cooling/heating user 11).

Referring to fig. 1, the water storage device 7 may receive first backwater (at a temperature of 35 to 45 ℃ (e.g., 40 ℃), where the first backwater provided by the water storage device 7 and the heat pump 6 may each come from a first user, i.e., a cooling/heating user, and the water storage device 7 may provide heating water to the first user, and the temperature of the heating water may be 40 to 50 ℃ (e.g., 45 ℃).

Referring to fig. 1, the water storage means 7 is operable in a heating mode (heating mode), the heat pump 6 providing a second water supply to the water storage means 7 when the total available power of the renewable power generation device and the energy storage device 3 is greater than or equal to a first preset threshold, and the temperature of the second water supply is higher than the temperature of the first water supply, the heat pump 6 providing a first water supply when the total available power of the renewable power generation device and the energy storage device 3 is less than the first preset threshold, the temperature of each of the first water supply, the second water supply, and the first return water being higher than the first preset temperature. As an example, the first preset temperature herein may be in a range of 20 to 30 ℃, for example, the first preset temperature may be 25 ℃, the temperature of the first water supply may be 45 ℃, the temperature of the second water supply may be in a range of 45 to 50 ℃, for example, the temperature of the second water supply may be 48 ℃.

Further, referring to fig. 2, the water storage device 7 is also capable of operating in a cooling mode (a cooling condition), the heat pump 6 supplies a second water supply to the water storage device 7 when the total amount of supplied power of the renewable power generation apparatus and the energy storage apparatus 3 is greater than or equal to a second preset threshold, the heat pump 6 supplies a first water supply when the total amount of supplied power of the renewable power generation apparatus and the energy storage apparatus 3 is less than the second preset threshold, and the second water supply has a temperature lower than that of the first water supply, each of the first water supply, the second water supply, and the first return water has a temperature lower than a second preset temperature, wherein the first preset temperature is greater than the second preset temperature, the second preset temperature may be 15 ℃, the first water supply may be an air-conditioning water supply, the temperature of the first water supply may be 7 ℃, the temperature of the second water supply may be 5 ℃, and the temperature of the first return water may be 12 ℃.

Referring to fig. 1 and 2, the integrated energy supply system further includes a solar collector 4, and the solar collector 4 may be connected with the electric heating device 5 and provide the second domestic hot water to the electric heating device 5 and/or a second user (domestic hot water user 9), and the first user, the second user, the third user, and the power user of the present disclosure may be the same user who needs water and/or electricity. According to the embodiment of the disclosure, the cascade utilization of energy sources can be realized through the solar heat collector and the electric heating device.

Referring to fig. 2, the electric heating device 5 may heat municipal water to produce domestic hot water in a first temperature range for direct supply to the direct drinking water user 10.

Referring to fig. 1, the electric heating device 5 may further heat the domestic hot water preheated by the solar collector 4 to generate the domestic hot water in the first temperature range, thereby directly supplying the direct drinking water user 10.

Although it is shown above that the water storage means 7 comprises two modes or conditions of operation, this is only an example and the water storage means 7 may also comprise two different means operating in a cold storage mode/condition and a heat storage mode/condition, respectively.

In addition, when the integrated energy supply system operates under different working conditions of the heating working condition and the cooling working condition, other devices except the water energy storage device 7 are also in different working states, and the device operation table of specific various working conditions can be shown in the following table (1):

Watch (1)

Referring to fig. 1, 2 and table 1, when the energy storage device of the integrated energy supply system has been fully charged and the respective subsystems or sub-devices cannot consume the power of the renewable power generation device, the integrated energy supply system according to the embodiment of the present disclosure may supply power to the power grid, as an example, the photovoltaic power generation device 1, the wind power generation device 2 and the energy storage device 3, which are renewable power generation devices, supply power to the power consumer 8, and the electric heating apparatus 5 supplies first domestic hot water (i.e., domestic hot water of around 100 ℃) to the third consumer (direct drinking water consumer 10).

Referring to table 1, when the integrated energy supply system is operated under a heating condition, the photovoltaic power generation apparatus 1 may generate power when the illumination is sufficient, and may not generate power when the illumination is insufficient. The wind power plant 2 can generate electricity when the wind resources are sufficient, and does not generate electricity when the wind resources are insufficient. The condition of the start-up illumination of the photovoltaic power generation equipment 1 and the condition of the start-up wind resource of the wind power generation equipment 2 are not particularly limited; when the integrated energy supply system works under the cooling working condition, the working modes of the photovoltaic power generation equipment 1 and the wind power generation equipment 2 are similar, and are not repeated here.

Whether it is a heating or cooling operation, the energy storage device 3 may be configured to store energy (e.g., charge) when the power generated by the photovoltaic power generation device 1 and the wind power generation device 2 meets the power demand of each device of the system, and the energy storage device 3 is configured to store energy (e.g., charge) when the energy storage space (e.g., the battery capacity allows) is still available, and the energy storage device 3 may release electric energy (e.g., discharge) when the power generated by the photovoltaic power generation device 1 and the wind power generation device 2 is insufficient to meet the power demand of each device of the system. The solar heat collector 4 can receive illumination to generate domestic hot water, and the solar heat collector 4 does not work when no illumination or insufficient illumination exists.

According to the comprehensive energy supply system disclosed by the embodiment of the disclosure, the instability of clean energy power generation is dealt with through the energy storage equipment and the water energy storage device, a flexible regulation mechanism of the system is realized, the investment cost of the energy storage equipment and the water energy storage device can be comprehensively considered, and the initial investment of system construction is reduced.

The electric heating device 5 can receive domestic hot water (for example, 55 ℃ hot water) generated by the solar heat collector 4 when the solar heat collector 4 works, and can continuously heat to 100 ℃ for the direct drinking water user 10. When the solar collector 4 is not in operation, the electric heating device 5 can directly heat municipal water to 55 ℃ for use by domestic hot water users or generate hot water of 100 ℃ for use by direct drinking water users, in addition to the water generated from the solar collector 4 being continuously heated to 100 ℃ for use by direct drinking water users 10.

Under the heat supply working condition, the heat pump 6 can generate heating water with the temperature of about 45 ℃ for cooling/heating users, and when the capacity of the heat pump 6 is rich and the photovoltaic power generation equipment 1, the wind power generation equipment 2 and the energy storage equipment 3 still consume the electric power, the heat pump 6 can generate hot water with the temperature of 48 ℃ for storage in the water energy storage device 7.

Under the cooling condition, the heat pump 6 can generate air-conditioning water supply at 7 ℃ for being directly used by a cooling/heating user 11, and when the capacity of the heat pump 6 is rich and the photovoltaic power generation equipment 1, the wind power generation equipment 2 and the energy storage equipment 3 still consume the electric power, the heat pump 6 can generate cold water at about 5 ℃ to be stored in the water energy storage device 7.

Under the heating condition, the water energy storage device 7 can supply hot water at 45 ℃ when the renewable power generation equipment is insufficient in power supply, and the water energy storage device 7 can receive and store hot water at 48 ℃ when the heat pump capacity is rich and the photovoltaic power generation equipment 1, the wind power generation equipment 2 and the energy storage equipment 3 still have power which cannot be consumed. In addition, the water storage device 7 may receive high-temperature backwater (air conditioner backwater at 40 ℃) of the cooling/heating user 11 under the heating condition.

Under the cooling condition, the water energy storage device 7 can supply air-conditioning water at about 7 ℃ when the renewable power generation equipment is insufficient in power supply, and receive cold water at 5 ℃ for storage when the heat pump capacity is rich and the photovoltaic power generation equipment 1, the wind power generation equipment 2 and the energy storage equipment 3 still have power which cannot be consumed. In addition, the water storage device 7 may receive low-temperature backwater (air conditioner backwater at 12 ℃) of the cooling/heating user 11 under the cooling condition.

Although not shown, the integrated energy supply system according to embodiments of the present disclosure may further include an electric steam generator, which may be electrically connected with the renewable power generation device and the energy storage device and provide steam to a steam consumer, and a steam heat accumulator connected with the electric steam generator for storing thermal energy of the steam. The electric steam generator may preferentially utilize the power of the renewable power generation apparatus. As an example, the integrated energy supply system according to the embodiments of the present disclosure may further include an electric steam boiler, a steam heat accumulator, and the like, the steam heat accumulator may be connected with the electric steam boiler, receive steam generated by the electric steam boiler to store heat, and the electric steam boiler may be electrically connected with the photovoltaic power generation device, the wind power generation device, the energy storage device.

In addition, under the cold supply working condition, the cold supply part can also comprise cooling devices such as a cooling tower and the like so as to realize natural cooling. Further, although not shown, the integrated power supply system of the present disclosure further includes various auxiliary devices such as valves.

The comprehensive energy supply system according to the embodiment of the disclosure solves the problem of fluctuation of new energy power by utilizing the electric energy storage and water energy storage technology, and ensures the stability of an energy supply system.

While particular embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that these embodiments may be combined, modified and improved (e.g. different technical features of the present utility model may be combined to obtain a new technical solution) without departing from the principle and spirit of the utility model, the scope of which is defined by the claims. Such combinations, modifications, and improvements should also be within the scope of the present utility model.

Claims

1. An integrated energy supply system, characterized in that the integrated energy supply system comprises:

a renewable power generation device;

the energy storage device is electrically connected with the renewable power generation device;

An electric heating device electrically connected with the renewable power generation device and the energy storage device and heating the input domestic water to provide first domestic water having a temperature in a first temperature range;

The heat pump is electrically connected with the renewable power generation equipment and the energy storage equipment, receives first backwater of a first user and provides first water supply for the first user;

And the water energy storage device is used for receiving the first backwater and/or the second water supply provided by the heat pump and providing the first water supply for the first user.

2. The integrated energy supply system of claim 1, further comprising a solar collector connected to the electrical heating device and providing second domestic hot water to the electrical heating device and/or a second user.

3. The integrated energy supply system of claim 1, further comprising an electrical steam generator electrically connected to the renewable power generation device and the energy storage device and providing steam to a steam consumer, and a steam regenerator connected to the electrical steam generator for storing thermal energy of the steam.

4. The integrated energy supply system according to claim 2, wherein the renewable power generation apparatus includes a photovoltaic power generation apparatus and a wind power generation apparatus electrically connected to the energy storage apparatus, respectively, and each of the electric heating device and the heat pump is electrically connected to the photovoltaic power generation apparatus and the wind power generation apparatus, respectively.

5. The integrated energy supply system of claim 4, wherein the heat pump comprises at least one of an air source heat pump, a water source heat pump, or a soil source heat pump.

6. The integrated energy supply system of claim 5, wherein the water storage device is operable in a heating mode, the heat pump providing the second water supply to the water storage device when the total available power of the renewable power generation and energy storage devices is greater than or equal to a first preset threshold, and the second water supply having a temperature greater than the temperature of the first water supply, the heat pump providing the first water supply when the total available power of the renewable power generation and energy storage devices is less than the first preset threshold, the temperature of each of the first water supply, the second water supply, and the first return water being greater than a first preset temperature.

7. The integrated energy supply system of claim 6, wherein the water storage device is operable in a cooling mode, the heat pump providing the second water supply to the water storage device when a total amount of power supplied by the renewable power generation apparatus and the energy storage apparatus is greater than or equal to a second preset threshold, the heat pump providing the first water supply when a total amount of power available by the renewable power generation apparatus and the energy storage apparatus is less than the second preset threshold, and a temperature of the second water supply is less than a temperature of the first water supply, the temperature of each of the first water supply, the second water supply, and the first return water being less than a second preset temperature, wherein the first preset temperature is greater than the second preset temperature.

8. The integrated energy supply system of claim 5, wherein the heat pump includes a heat recovery module for providing the second domestic hot water to the second user.

9. The integrated energy supply system of claim 8, wherein the heat pump is connected to the electrical heating device.

10. The integrated energy supply system of any one of claims 1 to 9, wherein the renewable power generation apparatus and the energy storage apparatus provide power to a consumer of electricity and the electrical heating apparatus provides the first domestic hot water to a third consumer.