WO2023035595A1 - Système de chauffage et son procédé de commande de stockage de chaleur, dispositif électronique et support d'enregistrement - Google Patents

Système de chauffage et son procédé de commande de stockage de chaleur, dispositif électronique et support d'enregistrement Download PDF

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Publication number
WO2023035595A1
WO2023035595A1 PCT/CN2022/083687 CN2022083687W WO2023035595A1 WO 2023035595 A1 WO2023035595 A1 WO 2023035595A1 CN 2022083687 W CN2022083687 W CN 2022083687W WO 2023035595 A1 WO2023035595 A1 WO 2023035595A1
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WIPO (PCT)
Prior art keywords
temperature
heat storage
storage tank
water
liquid level
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PCT/CN2022/083687
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English (en)
Chinese (zh)
Inventor
刘帅
许文明
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青岛海尔空调器有限总公司
青岛海尔空调电子有限公司
海尔智家股份有限公司
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Publication of WO2023035595A1 publication Critical patent/WO2023035595A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D11/00—Central heating systems using heat accumulated in storage masses
    • F24D11/02—Central heating systems using heat accumulated in storage masses using heat pumps
    • F24D11/0214—Central heating systems using heat accumulated in storage masses using heat pumps water heating system
    • F24D11/0221—Central heating systems using heat accumulated in storage masses using heat pumps water heating system combined with solar energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D11/00—Central heating systems using heat accumulated in storage masses
    • F24D11/02—Central heating systems using heat accumulated in storage masses using heat pumps
    • F24D11/0214—Central heating systems using heat accumulated in storage masses using heat pumps water heating system
    • F24D11/0228—Central heating systems using heat accumulated in storage masses using heat pumps water heating system combined with conventional heater
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
    • F24D19/1042—Arrangement or mounting of control or safety devices for water heating systems for central heating the system uses solar energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies

Definitions

  • the present application relates to the technical field of heating equipment, in particular to a heating system, a heat storage control method thereof, electronic equipment and a storage medium.
  • Existing ambient air heating devices such as air-conditioning fans or air conditioners all use electric energy for energy supply, by converting electric energy into heat energy, and then supply heat to the surrounding environment.
  • the heated refrigerant When the air-conditioning fan or air conditioner finishes heating, the heated refrigerant will gradually dissipate heat over time, and eventually approach the ambient temperature. When heating is required again, it needs to be reheated from the ambient temperature to a higher temperature, and the energy loss is high.
  • the daytime belongs to the peak period of electricity consumption, and the electricity price is higher during the day; the evening belongs to the valley period of electricity consumption, and the electricity price is cheaper at night.
  • most users use air-conditioning fans for heating during the day, which makes the heating power consumption of air-conditioning fans larger and the electricity bills are higher, and the advantage of lower electricity bills during the valley value of electricity consumption at night is not taken advantage of.
  • This application provides a heating system and its heat storage control method, which is used to solve the problem of heating and air-conditioning fans or air conditioners in areas with different electricity costs at different times in the prior art.
  • the defect of high electricity cost realizes a heating system and its heat storage control method, electronic equipment and storage medium.
  • the application provides a heating system, including:
  • a heater comprising a heat storage tank
  • a solar water heater the solar water heater has a water storage tank, and the water storage tank has a water outlet and a water return port;
  • An incubator the incubator has a first water inlet and a first drain;
  • the conduit includes a first conduit and a second conduit, the first conduit is connected between the water outlet and the first water inlet, and the second conduit is connected between the water return port and the second conduit Between a water outlet, the second conduit portion is located in the heat storage tank;
  • the first circulation pump is arranged on the second conduit;
  • a first temperature sensor and/or a second temperature sensor is located in the incubator for detecting the temperature of the incubator and sent to the control device;
  • the second temperature sensor is located in the water storage tank , used to detect the temperature of the water storage tank and send it to the control device;
  • the third temperature sensor is located in the heat storage tank and is used to detect the temperature of the heat storage tank and send it to the control device;
  • the first liquid level sensor and/or the second liquid level sensor is located in the incubator, used to detect the liquid level of the incubator, and sent to the control device;
  • the second liquid level sensor Located in the water storage tank, it is used to detect the liquid level of the water storage tank and send it to the control device;
  • the time device is used to obtain and record the time value when the heat storage mode is running, and send it to the control device;
  • a control device communicatively connected with the first temperature sensor and/or the second temperature sensor, communicatively connected with the first liquid level sensor and/or the second liquid level sensor, and connected with the third temperature sensor
  • the sensor is connected in communication with the time device.
  • the present application also provides a heat storage control method for a heating system, including the following steps:
  • Step S100 obtain the time value, determine that the time value falls into the preset low-power time interval, and enter the thermal storage mode;
  • Step S200 when the heat storage mode is running, obtain the temperature of the heat storage tank, the temperature of the stored water, and the height of the liquid level of the stored water, and determine the height ratio of the liquid level of the stored water.
  • the temperature of the stored water is the temperature of the water storage tank or the temperature of the incubator.
  • the height of the water storage liquid level is the liquid level height of the water storage tank or the liquid level height of the incubator, and the second valve and the first circulating pump are controlled based on the temperature of the heat storage tank, the temperature of the stored water, and the ratio of the height of the water storage liquid level opening and closing.
  • the controlling the opening and closing of the second valve and the first circulation pump based on the temperature of the heat storage tank, the temperature of the stored water, and the height of the stored water level includes: :
  • the second valve and the first circulation pump are controlled to be turned on.
  • the second valve and the first circulation pump after controlling the opening of the second valve and the first circulation pump, when the temperature of the heat storage tank is greater than or equal to the third preset temperature value, the When the temperature of the stored water is lower than any one of the fourth preset temperature value and the height ratio of the stored water level is lower than the first preset height ratio, the second valve and the first circulation pump are controlled to be closed.
  • the heat storage control method of the heating system after controlling the closing of the second valve and the first circulation pump, it is determined that the temperature of the heat storage tank is lower than the third preset temperature value, and then the electric heater is controlled open.
  • the heat storage control method of the heating system when the time value does not fall into the preset low-power time interval and the start instruction of the heater is obtained, it is determined that the temperature of the heat storage tank is less than the fifth The preset temperature value and the storage water temperature is greater than or equal to the first preset temperature value, and the second valve and the first circulation pump are controlled to be turned on.
  • the second valve and the first circulation pump after controlling the opening of the second valve and the first circulation pump, when the temperature of the heat storage tank is greater than or equal to the third preset temperature value, the When the temperature of the stored water is lower than any one of the fourth preset temperature value and the height ratio of the stored water level is lower than the first preset height ratio, the second valve and the first circulation pump are controlled to be closed.
  • the heat storage control method of the heating system provided in this application, after controlling the closing of the second valve and the first circulation pump, it is determined that the temperature of the heat storage tank is lower than the fifth preset temperature value, and the electric heater is controlled to turn on .
  • the temperature of the heat storage tank in the heat storage mode is heated from the second preset temperature value to the third preset temperature value during the continuous preset number of days recorded
  • the heating duration is calculated, and the average heating duration in the continuous preset number of days is calculated;
  • the heat storage operation is started at the time of the average heating time before the last time of the preset low power time interval.
  • the present application also provides an electronic device, including a memory, a processor, and a computer program stored on the memory and operable on the processor.
  • the processor executes the program, it can realize the The steps of the heating system control method are described.
  • the present application also provides a non-transitory computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the steps of the heating system control method described in any one of the above are implemented.
  • the energy-saving heating device and heat storage control method provided by the present application by setting up a solar water heater and an incubator, guide the hot water prepared by the solar water heater into the incubator for storage, so that when the heater needs to heat, first pass through
  • the hot water prepared by the solar water heater provides heat for the heater.
  • there is a heat storage box inside the heater and the heat prepared by the heater and the heat guided by the heat preservation box into the heater can be stored in the heat storage box to prevent the heat storage box from falling to room temperature in a short time, so as to reduce loss of energy.
  • the heat stored in the heat storage tube can be used for heating first, and then By turning on the heater for heating, it can not only reduce the electricity consumption of users, reduce the electricity consumption cost, but also reduce the electricity consumption during the peak period of electricity consumption, and improve the uniformity of regional electricity consumption.
  • Fig. 1 is a schematic structural diagram of the heating system provided by the present application.
  • Fig. 2 is a schematic flow chart of the heating system control method provided by the present application.
  • FIG. 3 is a schematic structural diagram of an electronic device provided by the present application.
  • 200 solar water heater; 210: water storage tank; 211: water outlet;
  • conduit conduit; 310: first conduit; 320: second conduit;
  • 500 incubator; 510: the first water inlet; 520: the first outlet;
  • 910 processor
  • 920 communication interface
  • 930 memory
  • the liquid level height ratio described in this embodiment refers to the ratio of the liquid level height of the tank to the liquid level height of the tank filled with liquid, such as the liquid level ratio Hc of the water storage tank refers to the liquid level of the water storage tank.
  • the ratio of the surface height to the full water height in the water storage tank is specifically in the range of 0% to 100%.
  • connection should be interpreted in a broad sense, for example, it may be a direct connection or an indirect connection through an intermediary.
  • this embodiment provides a specific implementation of a heating system, including: a heater 100, a solar water heater 200, a conduit 300, a second valve 410, an incubator 500, a first circulation pump 800 and a time device, and The first temperature sensor and/or the second temperature sensor, and the first liquid level sensor and/or the second liquid level sensor.
  • the heater 100 includes a heat storage box 110, and the heat storage box 110 has a heat preservation function, and it is better to use a heat preservation box whose outer wall is made of heat preservation material.
  • the heater 100 is a heating and air-conditioning fan, and the heating and air-conditioning fan has a coil, and a part of the coil is located in the heat storage tank 110, and the heat storage tank 110 is filled with heat-conducting materials.
  • the heat stored in the heat storage box 110 can be used for heating first. Transfers heat from the coil to the environment.
  • the solar water heater 200 refers to a solar water heater that is generally placed on a location that can receive light, such as a roof, to heat water by receiving ultraviolet rays from the light. At present, more than 200 solar water heaters are used for people's daily water needs such as bathing.
  • the solar water heater 200 has a water storage tank 210 for storing hot water heated by the solar water heater 200 , and the water storage tank 210 has a water outlet 211 and a water return port 212 .
  • the water storage tank 210 is located on the body of the solar water heater 200, and the stored hot water is guided to the faucet through a water pipe.
  • the incubator 500 has a first water inlet 510 and a first water outlet 520
  • the conduit 300 includes a first conduit 310 and a second conduit 320
  • the first conduit 310 is connected between the water outlet 211 and the first water inlet 510
  • the second conduit One end of the conduit 320 is connected to the first drain port 520
  • the second conduit 320 is partly located in the heat storage tank 110 .
  • the capacity of the water storage tank 210 of the solar water heater 200 is not large, and most of them are designed with reference to domestic water consumption such as bathing of users. The amount of water does not meet the user's other domestic water needs.
  • the hot water produced by the solar water heater 200 can be guided into the incubator 500 for heat preservation and storage, and the volume of hot water prepared by the solar water heater 200 can be increased to meet the heat supply requirements of the heater 100 at the same time. And users' daily life water.
  • the hot water in the water storage tank 210 first flows into the incubator 500 through the first conduit 310. Since the height of the water storage tank 210 is higher than that of the incubator 500 in most cases, the hot water in the water storage tank 210 can be Direct flow to the incubator 500 under the action of gravity. Alternatively, a circulating pump is provided on the first conduit 310 to ensure that the hot water in the water storage tank 210 can flow into the insulated tank 500 .
  • the hot water in the insulation box 500 exchanges heat with the heat storage box 110 through the second conduit 320 .
  • the water after heat exchange in the second conduit 320 can be directly drained away, or the other end of the second conduit 320 is connected to the water return port 212, the second conduit 320 is provided with a first circulation pump 800, and the inside of the conduit 300 is connected to the heat storage tank. 110 The water after heat exchange is returned to the water storage tank 210 of the solar water heater 200 through the first circulating pump 800 .
  • the second conduit 320 is provided with a second valve 410, which is opened when the incubator 500 is required to divert hot water to the heat storage tank 110 side, and is opened when the incubator 500 is not required to divert hot water to the heat storage tank 110 side. Turn off when hot water is on.
  • a second valve 410 which is opened when the incubator 500 is required to divert hot water to the heat storage tank 110 side, and is opened when the incubator 500 is not required to divert hot water to the heat storage tank 110 side. Turn off when hot water is on.
  • the second conduit 320 is partly located in the thermal storage tank 110 , and the hot water in the thermal insulation tank 500 exchanges heat with the thermal storage tank 110 through the second conduit 320 .
  • the first temperature sensor and/or the second temperature sensor is located in the incubator 500, used to detect the temperature of the incubator, and sent to the control device; the second temperature sensor is located in the incubator
  • the water storage tank 210 is used to detect the temperature of the water storage tank and send it to the control device.
  • the third temperature sensor is located in the heat storage tank 110 and is used to detect the temperature of the heat storage tank and send it to the control device.
  • the first liquid level sensor and/or the second liquid level sensor is located in the incubator 500, used to detect the liquid level in the incubator and send it to the control device;
  • the second The liquid level sensor is located in the water storage tank 210 for detecting the liquid level of the water storage tank and sending it to the control device.
  • the time device is used to obtain and record the time value tx when the heat storage mode is running, and send it to the control device.
  • a control device communicatively connected with the first temperature sensor and/or the second temperature sensor, communicatively connected with the first liquid level sensor and/or the second liquid level sensor, and connected with the third temperature sensor
  • the sensor is connected in communication with the time device.
  • this embodiment also provides a heat storage control method for the heating system, including the following steps:
  • Step S100 obtain the time value, determine that the time value falls into the preset low-power time interval, and enter the thermal storage mode;
  • Step S200 when the heat storage mode is running, obtain the temperature Tx of the heat storage tank, the temperature Tr of the water storage and the height of the water storage liquid level, and determine the height ratio Hr of the water storage liquid level, and the storage water temperature Tr is the temperature of the water storage tank or the heat preservation
  • the tank temperature controls the opening and closing of the second valve 410 and the first circulation pump 800 based on the heat storage tank temperature Tx, the stored water temperature Tr and the stored water level height ratio Hr.
  • the time value tx is acquired in real time, and when the acquired time value tx falls within the preset high-power time interval, the thermal storage mode is exited.
  • the heat storage mode is also exited.
  • receiving the start-up command of the heater 100 refers to receiving the start-up command sent by the user through the remote control or the control button, and the heater 100 turns on the fan after receiving the start-up command. Under the action, heat is supplied to the outside, and the heat storage tank stops heat storage.
  • the preset low power time interval refers to a valley time period of electricity consumption preset in the memory of the heater 100 .
  • the electricity consumption valley time period is between 0:00 am and 6:00 am, and the electricity charge for the 6 hours between 0:00 am and 6:00 am is lower, and after 6:00 am to the early morning of the next day
  • the 18-hour electricity bill between midnight is relatively high, so the 6-hour time period between midnight and 6 am can be entered into the heater 100, and the heater 100 obtains the information of the time period and determines it as the preset low power time interval.
  • the preset high power time interval refers to the preset power consumption peak time period in the memory of the heater 100, for example, the 18-hour time period between 6:00 a.m. and 0:00 a.m. of the next day is entered into the heating determined in the device 100 as the preset high power time interval.
  • the heater 100 can be provided with a time setting program, which can be entered by the user through a mobile phone or a remote control; optionally, the heater 100 can obtain location information through the Internet of Things, and then obtain location information through the Internet of Things.
  • the valley time period and peak time period of power consumption in the area, and the obtained valley time period of power consumption is determined as the preset low power time period, and the obtained peak time period of power consumption is determined as the preset high power time period range, and can be updated automatically.
  • the heater 100 after the heater 100 is turned off or the user selects the heat storage mode to be turned on, the heater 100 automatically enters the heat storage control program, and judges whether it is in a low-cost electricity consumption by time.
  • the heat storage is carried out at the time when the electricity cost is low, so that when the electricity cost is high during the day, the heat stored in the heat storage tube is used for heating first, and then the heater is turned on for heating, which can reduce the user's Reduce electricity consumption, reduce electricity costs, reduce electricity consumption during peak hours of electricity consumption, and improve the uniformity of regional electricity consumption.
  • this embodiment controls the connection between the second valve 410 and the first
  • the opening and closing of the circulating pump 800 is to inject hot water into the incubator 500 when the hot water in the water storage tank 210 meets the heat demand, and regulate the flow of the water storage tank 210 to the incubator according to the temperature and the liquid level ratio in the incubator 500.
  • the opening time and closing time of injecting hot water in 500 to ensure that the hot water with maximum heat is stored in the incubator 500, so as to be better heated with the heat storage box 110.
  • the water storage temperature Tr is the temperature Tc of the water storage tank or the temperature Tb of the incubator.
  • the temperature Tc of the water storage tank is used to judge and control the opening and closing of the second valve 410 and the first circulation pump 800;
  • the thermal storage tank 500 is set between the thermal storage tank 110, the hot water in the water storage tank 210 will first flow to the thermal storage tank 500 for storage, and then provide hot water to the thermal storage tank 110 through the thermal storage tank 500.
  • the temperature Tb is used to control the opening and closing of the second valve 410 and the first circulation pump 800 .
  • the water storage liquid level height ratio Hr is the water storage tank liquid level height ratio Hc or the heat preservation tank liquid level height ratio Hb
  • the second valve is controlled by the water storage tank liquid level height ratio Hc or the heat preservation tank liquid level height ratio Hb 410 and the opening and closing of the first circulating pump 800.
  • the heater automatically enters the heat storage control program, and judges whether it is in the low electricity consumption valley time period by time , heat storage is carried out when the electricity cost is low, so that when the electricity cost is high during the day, the heat stored in the heat storage tube is used for heating first, and then the temperature of the heat storage tank, the storage water temperature and the height ratio of the water storage liquid are compared Hr To control the second valve 410 and the first circulation pump 800, so that when the solar water heater meets the heating capacity, the hot water stored in the solar water heater can be used to store heat, which can not only reduce the user's electricity consumption, reduce electricity costs, but also It can reduce the power consumption during the peak period of power consumption and improve the uniformity of regional power consumption.
  • controlling the opening and closing of the second valve 410 and the first circulating pump 800 based on the temperature Tx of the thermal storage tank, the temperature Tr of the stored water, and the height ratio Hr of the liquid level of the stored water described in this embodiment includes:
  • the second valve 410 and the first circulating pump are opened 800.
  • the second preset temperature value T2 refers to the lower temperature value of the heat storage tank that needs to be heated during the preset low-power time interval, and needs to be turned on when the temperature value of the heat storage tank is lower than the second preset temperature value T2
  • the heater stores heat.
  • the user selects the heat storage level through the remote control or the operation button, and different heat storage levels correspond to different second preset temperature values T2.
  • the second preset temperature value T2 is between 40°C and 65°C, preferably 55°C.
  • the first preset temperature value T1 refers to the temperature of the water in the water storage tank 210 or the heat preservation tank 500 is relatively high, suitable for heat exchange with the heat storage tank 110 , within the range of 45°C to 55°C, preferably 50°C.
  • the second valve 410 and the first circulating pump 800 are turned on to control the water storage tank 210 or
  • the thermal insulation tank 500 supplies hot water to the thermal storage tank 110 side.
  • the second valve 410 and the first circulation pump 800 are closed.
  • the third preset temperature value T3 is the highest temperature value that can be reached in the heat storage tank 110, or if the temperature in the heat storage tank 110 is higher than the third preset temperature value T3, more energy consumption will be consumed , such as the maximum temperature in the heat storage tank 110 reaches 75°C.
  • the fourth preset temperature value T4 is the temperature at which the water storage tank 210 or the heat preservation tank 500 is no longer suitable for providing heat to the heat storage tank 110 , which is in the range of 35°C to 45°C, preferably 40°C.
  • the water temperature in the water storage tank 210 or the insulated tank 500 is lower than 40° C., it is no longer suitable for supplying heat to the heat storage tank 110 .
  • the second valve 410 and the first circulation pump 800 are closed.
  • the first preset height ratio H1 refers to the ratio of the water volume to the overall height of the tank when the water stored in the incubator 500 or the water storage tank 210 is about to or has been drained, and is in the range of 0% to 10%, preferably 5 %.
  • the heat storage tank 500 or the water storage tank 210 provides hot water to the side of the heat storage tank 110
  • the temperature of the water storage tank 210 or the heat storage tank 500 has been lower than 40°C
  • the storage When the water volume in the water tank 210 or the incubator 500 is less than 5%, the second valve 410 and the first circulation pump 800 are closed.
  • the electric heater is controlled to be turned on.
  • the electric heater is controlled to be turned on for further heat storage through the electric heater.
  • the time value tx does not fall into the preset low-power time interval, and the start instruction of the heater 100 is obtained, it is determined that the temperature Tx of the heat storage tank is less than the fifth preset temperature value T5 and the When the stored water temperature Tr is greater than or equal to the first preset temperature value T1, the second valve 410 and the first circulation pump 800 are turned on.
  • the time value tx does not fall into the preset low-power time interval, which means that the current time value during the operation of the thermal storage mode does not fall into the preset low-power time interval, that is, it falls into the preset high-power time interval at this moment, High electricity consumption time period.
  • the start command of the heater 100 refers to the start command of the heater 100 to turn on the heating mode and supply heat to the surrounding environment. For example, when the air conditioner fan receives the start command, the fan is turned on to blow hot air to the surrounding environment.
  • the fifth preset temperature value T5 refers to a temperature value at which heat of the heat storage tank 110 is exhausted, and is in the range of 25°C to 35°C, preferably 30°C.
  • the temperature of the heat storage box 110 is lower than 30° C., it is difficult for the heat storage box 110 to provide heat to the external environment.
  • the heating function When the heating function is turned on in the preset high-power time interval, it is determined that the temperature Tx of the thermal storage tank is less than 30°C, and the storage water temperature Tr is greater than 50°C, then the second valve 410 and the first circulation pump 800 are turned on, and the water storage tank 210 or the hot water in the heat preservation box 500 is guided into the heat storage box 110 for heat storage.
  • the second valve 410 and the first circulation pump 800 are turned on within the preset high power time interval, when the temperature Tx of the heat storage tank is greater than or equal to the third preset temperature value T3, the When the water storage temperature Tr is less than the fourth preset temperature value T4 and the height ratio of the water storage liquid level Hr is less than the first preset height ratio H1, the second valve 410 and the first circulation pump are closed 800.
  • the third preset temperature value T3 is the highest temperature value that can be reached in the heat storage tank 110, or if the temperature in the heat storage tank 110 is higher than the third preset temperature value T3, more energy consumption will be consumed , such as the maximum temperature in the heat storage tank 110 reaches 75°C.
  • the fourth preset temperature value T4 is the temperature at which the water storage tank 210 or the heat preservation tank 500 is no longer suitable for providing heat to the heat storage tank 110 , which is in the range of 35°C to 45°C, preferably 40°C.
  • the water temperature in the water storage tank 210 or the insulated tank 500 is lower than 40° C., it is no longer suitable for supplying heat to the heat storage tank 110 .
  • the second valve 410 and the first circulating pump 800 are closed.
  • the first preset height ratio H1 refers to the ratio of the water volume to the overall height of the tank when the water stored in the incubator 500 or the water storage tank 210 is about to or has been drained, and is in the range of 0% to 10%, preferably 5 %.
  • the heat storage tank 500 or the water storage tank 210 provides hot water to the side of the heat storage tank 110
  • the temperature of the water storage tank 210 or the heat storage tank 500 has been lower than 40°C
  • the storage When the water volume in the water tank 210 or the incubator 500 is less than 5%, the second valve 410 and the first circulation pump 800 are closed.
  • the electric heater is controlled to be turned on.
  • the fifth preset temperature value T5 refers to a temperature value at which heat of the heat storage tank 110 is exhausted, and is in the range of 25°C to 35°C, preferably 30°C.
  • the temperature of the heat storage box 110 is lower than 30° C., it is difficult for the heat storage box 110 to provide heat to the external environment.
  • the heat storage mode record the heating time during which the temperature of the heat storage tank is heated from the second preset temperature value to the third preset temperature value in the heat storage mode within the continuous preset number of days, and calculate the continuous The average heating time within the preset number of days;
  • the heat storage operation is started at the time of the average heating time before the last time of the preset low power time interval.
  • the time for heating the temperature of the heat storage box from 60°C to 75°C in the heat storage mode for 3 consecutive days, such as 60 minutes on the first day, 61 minutes on the second day, and 65 minutes on the third day, and take three consecutive days
  • the average value is 61 minutes
  • the heat storage action will be performed 61 minutes before the last moment of the preset low-power time interval,
  • the electric heater is controlled to be turned on, and/or the second valve 410 and the first circulation pump 800 are turned on.
  • the electric heater is controlled to be turned on at 4:59 am, and/or the second valve 410 and the first circulation pump 800 are turned on to ensure that Set the temperature of the heat storage tank to the highest temperature at the last moment of the low power time interval, reduce the waiting time before the user turns on the heating mode, and reduce the loss of heat.
  • FIG. 3 illustrates a schematic diagram of the physical structure of an electronic device.
  • the electronic device may include: a processor (processor) 910, a communication interface (Communications Interface) 920, a memory (memory) 930 and a communication bus 940, Wherein, the processor 910 , the communication interface 920 , and the memory 930 communicate with each other through the communication bus 940 .
  • the processor 910 can call the logic instructions in the memory 930 to execute the heat storage control method of the heating system.
  • the above-mentioned logic instructions in the memory 930 may be implemented in the form of software function units and be stored in a computer-readable storage medium when sold or used as an independent product.
  • the technical solution of the present application is essentially or the part that contributes to the prior art or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disc, etc., which can store program codes. .
  • the present application also provides a computer program product
  • the computer program product includes a computer program stored on a non-transitory computer-readable storage medium
  • the computer program includes program instructions, and when the program instructions are executed by a computer When executing, the computer can execute the above-mentioned heat storage control method of the heating system.
  • the present application also provides a non-transitory computer-readable storage medium, on which a computer program is stored, and the computer program is implemented when executed by a processor to execute the above method for controlling heat storage in a heating system.
  • the device embodiments described above are only illustrative, and the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in One place, or it can be distributed to multiple network elements. Part or all of the devices can be selected according to actual needs to achieve the purpose of the solution of this embodiment. It can be understood and implemented by those skilled in the art without any creative effort.
  • each implementation can be implemented by means of software plus a necessary general-purpose hardware platform, and of course also by hardware.
  • the essence of the above technical solution or the part that contributes to the prior art can be embodied in the form of software products, and the computer software products can be stored in computer-readable storage media, such as ROM/RAM, magnetic discs, optical discs, etc., including several instructions to make a computer device (which may be a personal computer, server, or network device, etc.) execute the methods described in various embodiments or some parts of the embodiments.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Central Heating Systems (AREA)

Abstract

La présente demande concerne le domaine technique des dispositifs de chauffage, et fournit un système de chauffage et son procédé de commande de stockage de chaleur, un dispositif électronique et un support d'enregistrement. Le système de chauffage comprend : un dispositif de chauffage qui est doté à l'intérieur d'un réservoir de stockage de chaleur ; un chauffe-eau solaire qui comprend un réservoir de stockage d'eau ; un récipient d'isolation thermique ; un tuyau qui est utilisé pour guider l'écoulement entre le réservoir de stockage d'eau et le récipient d'isolation thermique et qui est partiellement situé dans le récipient d'isolation thermique ; une première vanne, la première vanne étant disposée sur un premier tuyau ; une première pompe de circulation, la première pompe de circulation étant disposée sur un second tuyau ; un premier capteur de température qui est utilisé pour mesurer la température du récipient d'isolation thermique ; un second capteur de température qui est utilisé pour mesurer la température du réservoir de stockage d'eau ; un premier capteur de niveau de liquide qui est utilisé pour détecter une hauteur de niveau de liquide du récipient d'isolation thermique ; un second capteur de niveau de liquide qui est utilisé pour détecter une hauteur de niveau de liquide du réservoir de stockage d'eau ; un appareil de temps qui est utilisé pour obtenir et enregistrer une valeur de temps pendant l'exécution d'un mode de stockage de chaleur ; et un appareil de commande. Dans la présente demande, au moyen du chauffe-eau solaire, du récipient d'isolation thermique et du réservoir de stockage de chaleur, tout d'abord, l'eau chaude préparée par le chauffe-eau solaire fournit de la chaleur au dispositif de chauffage, puis le réservoir de stockage de chaleur stocke la chaleur, de sorte que la perte d'énergie est réduite.
PCT/CN2022/083687 2021-09-10 2022-03-29 Système de chauffage et son procédé de commande de stockage de chaleur, dispositif électronique et support d'enregistrement WO2023035595A1 (fr)

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