Residential renewable energy temperature regulation control system, method and terminal

Abstract

The invention relates to the technical field of residence temperature regulation control, and discloses a residence renewable energy temperature regulation control system, method and terminal, and the system comprises a communication module, an energy storage module, a power utilization scheduling module and a heat preservation module. The communication module is configured to monitor and manage household energy in real time through an intelligent power grid and a communication technology. The energy storage module is configured to utilize energy storage equipment to store electric energy generated by renewable energy sources, and is switched with commercial power for operation; the power utilization scheduling module is configured to arrange the use time of the household appliances through an intelligent scheduling strategy; the heat preservation module is configured to adjust the indoor temperature to be increased or decreased. The method is applied to the system, and the terminal corresponds to the method. By the adoption of the system, the indoor temperature can be automatically adjusted, a more comfortable living environment can be provided, and climate change can be slowed down by reducing dependence on traditional energy and reducing emission of carbon dioxide and other greenhouse gases.

Description

Technical Field

[0001] The present application relates to the field of residential temperature control technology, and specifically to a residential renewable energy temperature control system, method and terminal. Background Art

[0002] A residential renewable energy temperature control system is a system that achieves indoor temperature balance by utilizing renewable energy from nature. After searching, a Chinese patent publication number CN101709901A discloses a phase change energy storage ground source air conditioning system. The system accumulates phase change energy storage balls and stores them in a ground source well (or pool cellar). The phase change energy storage balls absorb heat or cold from the ground source well (or pool cellar) and automatically store it. The heat or cold stored in the phase change energy storage balls is transported to the interior of the building through a ground source pump (or pipeline pump) and a capillary network phase change temperature control device, thereby achieving the purpose of heating in winter and cooling in summer. However, the system is not suitable for conditions with lower temperatures in winter. When the system is used in winter, it is affected by the upper limit of underground temperature, and the heating effect is not obvious. External equipment is still required to heat and temperature control the interior. Summary of the invention

[0003] The purpose of the present application is to provide a residential renewable energy temperature control system, method and terminal to solve the problem that the existing system proposed in the background technology is not effective in heating in winter due to the upper limit of underground temperature, and still requires external equipment to heat and control the indoor temperature.

[0004] To achieve the above objectives, this application discloses the following technical solutions:

[0005] In a first aspect, the present application discloses a residential renewable energy temperature control system, including a communication module, an energy storage module, an electricity scheduling module, and a heat preservation module;

[0006] The communication module is configured to: monitor and manage household energy in real time through smart grid and communication technology;

[0007] The energy storage module is configured to: utilize energy storage equipment to store electric energy generated by renewable energy, and switch operation with the mains;

[0008] The power scheduling module is configured to: arrange the usage time of household appliances through intelligent scheduling strategies;

[0009] The heat preservation module is configured to adjust the indoor temperature to increase or decrease the indoor temperature.

[0010] Preferably, the thermal insulation module comprises a solar heating unit and an energy storage unit;

[0011] The solar heat generating unit is configured to: utilize a solar collector and a phase change material to store solar heat during the day and release the stored heat at night;

[0012] The energy storage unit is configured as follows: embedded in the thermal insulation wall, and cooperates with circulating water to exchange heat with the underground and solar heating units.

[0013] In a second aspect, the present application discloses a residential renewable energy temperature control method, which is applied to the residential renewable energy temperature control system as described above, and the method comprises the following steps:

[0014] Winter operation mode: The indoor temperature is monitored in real time through the communication module. When there is sufficient solar energy, the insulation module is used to heat the temperature-controlled wall through the power scheduling module. When there is insufficient solar energy, the energy storage unit heats the insulation wall by exchanging heat between the auxiliary heat source and the circulating water.

[0015] Summer working mode: Circulating water is used to exchange cold with shallow soil, and the cold is stored in the phase change material of the wall through circulating water. When the indoor temperature exceeds the comfortable temperature, the cold is released to maintain the indoor temperature.

[0016] Transitional season operating mode: Maintain the comfort and stability of the indoor thermal environment by controlling the air flow and operating mode conversion in the room.

[0017] Preferably, the power scheduling module is configured to adjust the power consumption of household appliances according to grid demand and electricity price signals; wherein the power consumption adjustment algorithm is:

[0018] P DR =P base +ΔP×f(t)

[0019] Among them, P DR is the adjusted power, P base is the base power, ΔP is the power adjustment, and f(t) is the time-dependent adjustment factor.

[0020] Preferably, the electricity scheduling module is configured to optimize the energy usage time according to the change of electricity price; wherein the calculation formula for optimizing the energy usage time is:

[0021]

[0022] Among them, C total is the total electricity cost, C i is the electricity price in the ith period, P i is the power in the ith period, t i is the time of the i-th period; the power scheduling module is also configured to determine the discharge strategy of the energy storage module according to energy supply and demand and price, wherein the calculation formula of the discharge strategy is:

[0023] E stored =Ein -E out -η×E in

[0024] Among them, E stored is the amount of stored energy, E in is the amount of energy input, E out is the amount of energy output and η is the system efficiency loss.

[0025] Preferably, in the winter operation mode, when solar energy is insufficient for winter operation, energy consumption is controlled by controlling the operation time of the auxiliary heat source through the power scheduling module.

[0026] Preferably, in the summer operating mode, the electricity scheduling system calculates the heat energy transferred by the underground heat exchanger, the heat capacity of the circulating water, and the heat absorbed or released by the phase change material during the phase change process. When the indoor temperature exceeds the preset comfort temperature, the phase change material releases cold air.

[0027] Preferably, the calculation formula for the heat capacity of the circulating water is:

[0028] Q water =m water ·c water ΔT water

[0029] Among them, Q water The heat energy stored or released by water, m water is the mass of water, c water is the specific heat capacity of water, ΔT water Changes in water temperature;

[0030] The calculation formula for the heat absorbed or released by the phase change material during the phase change process is:

[0031] Q PCM =m PCM ·ΔH fusion

[0032] Among them, Q PCM is the heat stored or released by the phase change material during the phase change process, m PCM is the mass of the phase change material, ΔH fusion is the phase change heat of the phase change material.

[0033] Preferably, in the indoor temperature regulation, when the indoor temperature exceeds the comfortable temperature, the calculation formula of the cooling capacity released by the phase change material is:

[0034] Q release =Q stored -Q loss

[0035] Among them, Q release is the heat released by the phase change material, Q stored is the total heat stored in the phase change material, Q loss is the heat loss of the system.

[0036] In a third aspect, the present application discloses a terminal device, comprising at least one memory and at least one processor, wherein the memory is communicatively connected to the processor;

[0037] The memory stores a computer program that can be executed by the processor. When the computer program is executed by the processor, the residential renewable energy temperature control method as described above is implemented.

[0038] Technical effect: The residential renewable energy temperature control system, method and terminal of the present application can reduce the use of external auxiliary heat sources by predicting energy demand and supply and optimizing energy scheduling. Through energy storage and intelligent scheduling, it can reduce dependence on auxiliary heat sources or cold sources and reduce energy consumption. At the same time, it can automatically adjust the indoor temperature according to changes in indoor and outdoor temperatures to provide a more comfortable living environment. By reducing dependence on traditional energy sources and reducing emissions of carbon dioxide and other greenhouse gases, it helps to mitigate climate change. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0040] Figure 1 A schematic diagram of the structure of a residential renewable energy temperature control system provided in an embodiment of the present application. DETAILED DESCRIPTION

[0041] The technical solutions in the embodiments of the present application are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present application.

[0042] In this article, the term "comprising" is intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, the elements defined by the sentence "comprising..." do not exclude the presence of other identical elements in the process, method, article or device that includes the elements.

[0043] In a first aspect, this embodiment discloses Figure 1 A residential renewable energy temperature control system is shown, comprising a communication module, an energy storage module, a power scheduling module and a thermal insulation module.

[0044] The communication module is used to achieve real-time monitoring and management of household energy through smart grids and advanced communication technologies; the energy storage module is used to use batteries or other energy storage devices to store electricity generated by renewable energy, and switch it with the mains, so that the system power supply can switch between the mains and the energy storage module; the power scheduling module is used to reasonably arrange the use time of household appliances through intelligent scheduling strategies, reduce electricity costs, and improve energy efficiency; the insulation module improves the insulation capacity of the wall and reduces the loss of heat energy.

[0045] The insulation module includes a solar heating unit and an energy storage unit; the solar thermal collector utilizes a solar thermal collector and phase change materials to improve the efficiency of solar heating, store solar heat during the day, and release the stored heat at night, thereby solving the problem of discontinuity in the use of solar thermal energy; the energy storage unit is a phase change energy storage panel, which is embedded in the wall to enhance the heat storage capacity and thermal inertia of the wall and reduce the heat dissipation of the building envelope structure; a water circulation system is arranged inside the phase change energy storage panel, which exchanges heat with the underground and the solar heating module respectively.

[0046] In a second aspect, this embodiment discloses a residential renewable energy temperature control method, which is applied to the aforementioned residential renewable energy temperature control system. The method comprises the following steps:

[0047] Winter operation mode: The indoor temperature is monitored in real time through the communication module. When there is sufficient solar energy, the power dispatch module directly uses the solar collector to heat the temperature-controlled wall. When there is insufficient solar energy, the energy storage module uses the auxiliary heat source to heat the water in the water tank and heats the temperature-controlled wall through the circulation system.

[0048] Summer working mode: Utilize the cold energy of shallow soil for heat exchange, store the cold energy in the wall phase change material through circulating water, and release the cold energy to maintain the indoor temperature when the indoor temperature exceeds the comfortable temperature;

[0049] Transitional season operating mode: Maintain the comfort and stability of the indoor thermal environment by controlling the air flow and operating mode conversion in the room.

[0050] The power dispatching module can adjust household energy usage according to grid demand and electricity price signals; the algorithm for adjusting power usage is:

[0051] P DR =P base +ΔP×f(t)

[0052] Among them, P DR is the adjusted power, P base is the base power, ΔP is the power adjustment, and f(t) is the time-dependent adjustment factor.

[0053] The power dispatching module optimizes the energy usage time according to the change of electricity price to avoid the use during peak hours. The calculation formula for optimizing the energy usage time is:

[0054]

[0055] Among them, C total is the total electricity cost, C i is the electricity price in the ith period, P i is the power in the ith period, t i is the time of the i-th period; and the electric dispatch module determines the charging and discharging strategy of the energy storage module according to energy supply, demand and price. The calculation formula is:

[0056] E stored =E in -E out -η×E in

[0057] Among them, E stored is the amount of stored energy, E in is the amount of energy input, E out is the amount of energy output and η is the system efficiency loss.

[0058] In addition, the electricity scheduling module also coordinates and controls various devices based on household energy usage;

[0059] P device =P set -k×(T set -T current )

[0060] Among them, P device is the power of the device, P set is the set power, T set is the set temperature, Tcurrent is the current temperature, and k is the control coefficient.

[0061] When solar energy is insufficient in winter, the operation time of the auxiliary heat source is accurately controlled through the power scheduling module to achieve energy-saving effects and reduce energy consumption. The calculation method for the operation time of the auxiliary heat source is:

[0062] Q demand =m·c·ΔT

[0063] Among them, Q demand is the required heat energy (joules), m is the mass of water (kg), c is the specific heat capacity of water (J / kg·℃), ΔT is the temperature difference that the water temperature needs to be raised to (℃);

[0064]

[0065] Among them, P aux is the power required by the auxiliary heat source (watts), and t is the time required for heating (seconds);

[0066]

[0067] Where η is the efficiency percentage of the heating system, Q actual is the actual heat energy transferred to the water, Q input is the total heat energy input into the system;

[0068] Q loss =U·A·ΔT surroundings

[0069] Among them, Q loss is the heat loss (watt), U is the overall heat transfer coefficient of the system (W / m2·℃), A is the heat exchange area (m2), ΔT surroundings is the temperature difference between the system and the surrounding environment (°C);

[0070] Q absorption =η·P aux ·tQ loss

[0071] Among them, Q absorption It is the heat energy absorbed by the thermostatic wall;

[0072]

[0073] Among them, t aux is the time the auxiliary heat source needs to run.

[0074] In the summer operating mode, the electricity dispatch system calculates the heat energy transferred by the underground heat exchanger and the thermal capacity of the circulating water to determine the amount of heat that can be stored or released, as well as the heat absorbed or released by the phase change material (PCM) during the phase change process. When the indoor temperature exceeds the comfort temperature, the phase change material releases cold air.

[0075] The heat capacity of circulating water is calculated as:

[0076] Q water =m water ·c water ΔT water

[0077] Among them, Q water The heat energy stored or released by water, m water is the mass of water, c water is the specific heat capacity of water, ΔT water Changes in water temperature;

[0078] The calculation method for the heat absorbed or released by the phase change material (PCM) during the phase change process is:

[0079] Q PCM =m PCM ·ΔH fusion

[0080] Among them, Q PCM is the heat stored or released by the phase change material during the phase change process, m PCM is the mass of the phase change material, ΔH fusion is the phase change heat of the phase change material.

[0081] In indoor temperature regulation, when the indoor temperature exceeds the comfortable temperature, the cooling capacity released by the phase change material is:

[0082] Q release =Q stored -Q loss

[0083] Among them, Q release is the heat released by the phase change material, Q stored is the total heat stored in the phase change material, Q loss is the heat loss of the system; the total heat stored in the phase change material is calculated as:

[0084] Q stored =m PCM ·ΔH fusion

[0085] Among them, Q stored is the total heat stored, m PCM is the mass of the phase change material, ΔH fusion is phase change heat, and the heat loss calculation formula of the system is:

[0086] Q conduction = k·A·ΔT

[0087] Q conductionis the heat loss through heat conduction, k is the thermal conductivity of the material, A is the cross-sectional area of ​​heat conduction, and ΔT is the temperature difference on both sides.

[0088] In summary, the residential renewable energy temperature control system and method, by using machine learning algorithms to predict energy demand and supply and optimize scheduling, can reduce the use of external auxiliary heat sources, reduce dependence on auxiliary heat sources or cold sources through energy storage and intelligent scheduling, and reduce energy consumption. By reducing dependence on traditional energy sources, it can reduce emissions of carbon dioxide and other greenhouse gases, thereby helping to mitigate climate change.

[0089] In a third aspect, this embodiment discloses a terminal device, including at least one memory and at least one processor, wherein the memory is in communication with the processor. The memory stores a computer program that can be executed by the processor, and when the computer program is executed by the processor, the residential renewable energy temperature control method as described above is implemented.

[0090] Finally, it should be noted that the above are only preferred embodiments of the present application and are not intended to limit the present application. Although the present application has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A residential renewable energy temperature control system, characterized in that: It includes communication module, energy storage module, power dispatching module and thermal insulation module; The communication module is configured to: monitor and manage household energy in real time through smart grid and communication technology; The energy storage module is configured to: utilize energy storage equipment to store electric energy generated by renewable energy, and switch operation with the mains; The power scheduling module is configured to: arrange the usage time of household appliances through intelligent scheduling strategies; The heat preservation module is configured to adjust the indoor temperature to increase or decrease the indoor temperature.

2. The residential renewable energy temperature control system according to claim 1, characterized in that: The thermal insulation module includes a solar heating unit and an energy storage unit; The solar heat generating unit is configured to: utilize a solar collector and a phase change material to store solar heat during the day and release the stored heat at night; The energy storage unit is configured as follows: embedded in the thermal insulation wall, and cooperates with circulating water to exchange heat with the underground and solar heating units.

3. A residential renewable energy temperature control method, applied to the residential renewable energy temperature control system as claimed in claim 2, characterized in that: The method comprises the following steps: Winter operation mode: The indoor temperature is monitored in real time through the communication module. When there is sufficient solar energy, the insulation module is used to heat the temperature-controlled wall through the power scheduling module. When there is insufficient solar energy, the energy storage unit heats the insulation wall by exchanging heat between the auxiliary heat source and the circulating water. Summer working mode: Circulating water is used to exchange cold with shallow soil, and the cold is stored in the phase change material of the wall through circulating water. When the indoor temperature exceeds the comfortable temperature, the cold is released to maintain the indoor temperature. Transitional season operating mode: Maintain the comfort and stability of the indoor thermal environment by controlling the air flow and operating mode conversion in the room.

4. The residential renewable energy temperature control method according to claim 3, characterized in that: The power scheduling module is configured to adjust the power consumption of household appliances according to the grid demand and the power price signal; wherein the power consumption adjustment algorithm is: P DR =P base +ΔP×f(t) Among them, P DR is the adjusted power, P base is the base power, ΔP is the power adjustment, and f(t) is the time-dependent adjustment factor.

5. The residential renewable energy temperature control method according to claim 3, characterized in that: The electricity scheduling module is configured to optimize the energy usage time according to the change of electricity price; wherein the calculation formula for optimizing the energy usage time is: Among them, C total is the total electricity cost, C i is the electricity price in the ith period, P i is the power in the ith period, t i is the time of the i-th period; the power scheduling module is also configured to determine the discharge strategy of the energy storage module according to energy supply and demand and price, wherein the calculation formula of the discharge strategy is: AND stored =And in -AND out -η×E in Among them, E stored is the amount of stored energy, E in is the amount of energy input, E out is the amount of energy output and η is the system efficiency loss.

6. The residential renewable energy temperature control method according to claim 3, characterized in that: In the winter operation mode, when solar energy is insufficient for winter operation, energy consumption is controlled by controlling the operation time of the auxiliary heat source through the power scheduling module.

7. The residential renewable energy temperature control method according to claim 3, characterized in that: In the summer operating mode, the electricity scheduling system calculates the heat energy transferred by the underground heat exchanger, the heat capacity of the circulating water, and the heat absorbed or released by the phase change material during the phase change process. When the indoor temperature exceeds the preset comfort temperature, the phase change material releases cold air.

8. The residential renewable energy temperature control method according to claim 7, characterized in that: The calculation formula of the heat capacity of the circulating water is: Q water =m water ·c water ·ΔT water Among them, Q water The heat energy stored or released by water, m water is the mass of water, c water is the specific heat capacity of water, ΔT water Changes in water temperature; The calculation formula for the heat absorbed or released by the phase change material during the phase change process is: Q PCM =m PCM ·ΔH fusion Among them, Q PCM is the heat stored or released by the phase change material during the phase change process, m PCM is the mass of the phase change material, ΔH fusion is the phase change heat of the phase change material.

9. The residential renewable energy temperature control method according to claim 8, characterized in that: In the indoor temperature regulation, when the indoor temperature exceeds the comfortable temperature, the calculation formula of the cooling capacity released by the phase change material is: Q release =Q stored -Q loss Among them, Q release is the heat released by the phase change material, Q stored is the total heat stored in the phase change material, Q loss is the heat loss of the system.

10. A terminal device, characterized in that: comprising at least one memory and at least one processor, wherein the memory is communicatively connected to the processor; The memory stores a computer program that can be executed by the processor. When the computer program is executed by the processor, the residential renewable energy temperature control method as described in any one of claims 3 to 9 is implemented.

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