CN113819547B - Heating system and control method thereof - Google Patents

Abstract

The invention provides a heating system and a control method thereof, which relate to the technical field of heating equipment and comprise the following steps: the heater is internally provided with a heat storage box; a solar water heater having a water storage tank; a heat preservation box; the guide pipe is used for guiding the water storage tank and the heat preservation tank, and the guide pipe part is positioned in the heat storage tank; the first valve is arranged on the first guide pipe; the first circulating pump is arranged on the second guide pipe; the first temperature sensor is used for detecting the temperature of the heat insulation box; the second temperature sensor is used for detecting the temperature of the water storage tank; the first liquid level sensor is used for detecting the liquid level height of the heat insulation box; the second liquid level sensor is used for detecting the liquid level height of the water storage tank; the time module is used for acquiring and recording a heat storage time value when the heat storage mode operates; and a control module. According to the invention, through the solar water heater, the heat insulation box and the heat storage box, hot water prepared by the solar water heater provides heat for the heater, and the heat storage box stores the heat, so that the energy loss is reduced.

Description

A heating system and its control method

technical field

The invention relates to the technical field of heating equipment, in particular to a heating system and a control method thereof.

Background technique

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.

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. Moreover, the pure power supply method also limits the energy supply method of air-conditioning fans or air conditioners, and it is necessary to propose the utilization of other clean energy sources under the increasingly serious environmental problems. Moreover, the process of converting electric energy will also cause aging of the air-conditioning fan or electrical components in the air-conditioner.

Contents of the invention

The invention provides a heating system and its control method, which are used to solve the defects in the prior art that when the air-conditioning fan or air conditioner repeatedly heats, it needs to be reheated from the ambient temperature for many times, the energy consumption is high, and the energy supply mode is single , to realize a heating system and a control method thereof.

The invention provides a heating system, comprising:

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;

Conduit, 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;

a first valve disposed on the first conduit;

a first circulation pump, the first circulation pump is arranged on the second conduit;

A first temperature sensor, located in the incubator, is used to detect the temperature of the incubator and send it to the control module;

The second temperature sensor is located in the water storage tank and is used to detect the temperature of the water storage tank and send it to the control module;

The first liquid level sensor is located in the incubator and is used to detect the liquid level in the incubator and send it to the control module;

The second liquid level sensor is located in the water storage tank and is used to detect the liquid level of the water storage tank and send it to the control module;

The time module is used to obtain and record the heat storage time value during the operation of the heat storage mode, and send it to the control module;

A control module is respectively connected in communication with the first temperature sensor, the second temperature sensor, the first liquid level sensor, the second liquid level sensor and the time module.

The present invention also provides a heating system control method, including the following steps:

Step S100, when the heat storage mode is running, obtain the temperature of the incubator, the temperature of the water storage tank, the liquid level height of the heat storage tank, the liquid level height of the water storage tank, and the heat storage time value when the heat storage mode is running, and determine the ratio of the liquid level height of the incubator to the storage temperature. Ratio of liquid level in water tank;

Step S200, based on the heat storage time value and the preset time period when the heat storage mode is running, and based on the temperature of the heat preservation tank, the temperature of the water storage tank, the liquid level ratio of the heat preservation tank and the liquid of the water storage tank The face height ratio determines the opening and closing of the first valve.

According to a heating system control method provided by the present invention, the temperature based on the temperature of the heat preservation tank, the temperature of the water storage tank, the liquid level ratio of the heat preservation tank, the liquid level ratio of the water storage tank and the heat storage The heat storage time value during mode operation determines the opening and closing of the first valve including:

When the temperature of the incubator is greater than or equal to the first preset temperature value, the temperature of the water storage tank is greater than or equal to the second preset temperature value, and the liquid level ratio of the incubator is less than or equal to the first preset height ratio, the When the heat storage time value falls within a preset time period and the liquid level height ratio of the water storage tank is greater than a second preset height ratio, the first valve is controlled to open.

According to a heating system control method provided by the present invention, the temperature based on the temperature of the heat preservation tank, the temperature of the water storage tank, the liquid level ratio of the heat preservation tank, the liquid level ratio of the water storage tank and the heat storage The heat storage time value during mode operation determines the opening and closing of the first valve including:

When the temperature of the incubator is greater than or equal to the first preset temperature value, the temperature of the water storage tank is greater than or equal to the second preset temperature value, and the liquid level ratio of the incubator is less than or equal to the first preset height ratio, the When the heat storage time value does not fall within the preset time period and the liquid level height ratio of the water storage tank is greater than a third preset height ratio, the first valve is controlled to open.

According to a heating system control method provided by the present invention, the temperature based on the temperature of the heat preservation tank, the temperature of the water storage tank, the liquid level ratio of the heat preservation tank, the liquid level ratio of the water storage tank and the heat storage The heat storage time value during mode operation determines the opening and closing of the first valve including:

When the temperature of the incubator is less than the first preset temperature value, the temperature of the water storage tank is greater than or equal to the second preset temperature value, and the liquid level ratio of the incubator is greater than the fourth preset height ratio, the fourth valve is controlled open until the liquid level ratio of the incubator decreases to less than or equal to the fourth preset height ratio, and then based on the liquid level ratio of the water storage tank, the liquid level ratio of the incubator and the heat storage mode when running The heat storage time value determines the opening and closing of the first valve.

According to a heating system control method provided by the present invention, the first valve is determined based on the liquid level ratio of the water storage tank, the liquid level ratio of the insulated tank, and the heat storage time value when the heat storage mode is running. The opening and closing include:

When the heat storage time value falls within a preset time period and the ratio of the liquid level height of the water storage tank is greater than a second preset height ratio, the first valve is controlled to open.

According to a heating system control method provided by the present invention, the first valve is determined based on the liquid level ratio of the water storage tank, the liquid level ratio of the insulated tank, and the heat storage time value when the heat storage mode is running. The opening and closing include:

When the heat storage time value does not fall within the preset time period and the ratio of the liquid level height of the water storage tank is greater than a third preset height ratio, the first valve is controlled to open.

According to a heating system control method provided by the present invention, after controlling the opening of the first valve, when the liquid level ratio of the insulated tank increases to be greater than or equal to the fifth preset height ratio or the liquid level of the water storage tank When the surface height ratio decreases to less than or equal to the second preset height ratio, the first valve is controlled to be closed.

According to a heating system control method provided by the present invention, after controlling the opening of the first valve, when the liquid level ratio of the heat preservation tank increases to be greater than or equal to the sixth preset height ratio or the liquid level of the water storage tank When the surface height ratio decreases to less than or equal to the second preset height ratio, the first valve is controlled to be closed.

According to a heating system control method provided by the present invention, the control method further includes: the control method further includes: when the water storage tank diverts non-storage hot water to the outside of the incubator every day for several days, the obtained The amount of non-storage heat in the plurality of days, determine the average value of non-storage heat in the plurality of days, and determine the value of the second preset height ratio as the average value of non-storage heat Ratio to the total volume of the water storage tank.

In the heating system and its control method provided by the present invention, by arranging a solar water heater and an incubator, the hot water prepared by the solar water heater is diverted to the incubator for storage, so that when the heater needs heating, it is firstly prepared by the solar water heater. The hot water provides heat for the heater. In addition, 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 the Little energy loss. And, based on the heat storage time value and the preset time period, it is judged whether it is in the time period of the hot water peak period in the user's use of the solar water heater, and based on the temperature of the tank, the temperature of the water storage tank, the liquid level ratio of the incubator, and the liquid level height of the water storage tank To determine the opening and closing of the first valve, to ensure that the hot water prepared by the solar water heater first meets the daily hot water demand of the user, and then uses the excess hot water to store hot water in the incubator.

Description of drawings

In order to more clearly illustrate the present invention or the technical solutions in the prior art, the accompanying drawings that need to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the accompanying drawings in the following description are the present invention. For some embodiments of the invention, those skilled in the art can also obtain other drawings based on these drawings without creative effort.

Fig. 1 is a schematic structural diagram of a heating system provided by the present invention;

Fig. 2 is a schematic flow chart of the heating system control method provided by the present invention;

Fig. 3 is a schematic structural diagram of an electronic device provided by the present invention.

Reference signs:

100: heater; 110: heat storage tank;

200: solar water heater; 210: water storage tank; 211: water outlet;

212: water return port;

300: conduit; 310: first conduit; 320: second conduit;

400: the first valve; 410: the second valve;

500: incubator; 510: first water inlet; 520: first water outlet;

800: the first circulating pump;

910: processor; 920: communication interface; 930: memory;

940: Communication bus.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention. Obviously, the described embodiments are part of the embodiments of the present invention , but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "first" and "second" are used to clearly illustrate the numbering of product parts and do not represent any substantial difference . "Up", "Down" and "Inner" are only used to indicate the relative positional relationship. When the absolute position of the described object changes, the relative positional relationship may also change accordingly. Those of ordinary skill in the art can understand the specific meanings of the above terms in the embodiments of the present invention according to specific situations.

It should be noted that the liquid level height ratio described in this embodiment refers to the ratio of the liquid level height in the tank to the liquid level height of the liquid in the tank. For example, 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%. When the liquid level sensor detects the liquid level of the liquid in the tank, the ratio of the detected liquid level to the total height of the liquid that can be contained in the tank is the liquid level ratio.

It should be noted that the description "within the range" in the present invention includes the values at both ends. For example, "within the range of 10 to 20" includes the end values 10 and 20 at both ends of the range.

It should be noted that, unless otherwise clearly stipulated and limited, the term "connection" should be interpreted in a broad sense, for example, it may be a direct connection or an indirect connection through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in the embodiments of the invention in specific situations.

The heating system and its control method of the present invention will be described below with reference to FIGS. 1-3 .

Specifically, this embodiment provides a heating system, including: a heater 100, a solar water heater 200, a conduit 300, a first valve 400, an incubator 500, a first circulation pump 800, a first temperature sensor, a second temperature sensor, first liquid level sensor, second liquid level sensor and time module.

Specifically, 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.

Optionally, 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.

When the air conditioner fan is not needed for heating, a certain amount of heat can be stored in the heat storage tank 110 first.

When the air-conditioning fan is needed for heating, the heat stored in the heat storage box 110 can be used for heating first. Transfers heat from the coil to the environment.

Specifically, 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.

Specifically, 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.

Specifically, 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;

Generally, 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, and the second conduit One end of the conduit 320 is connected to the first drain port 520 , and the second conduit 320 is partly located in the heat storage tank 110 .

Generally speaking, 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.

In this embodiment, by setting the incubator 500, 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.

Specifically, 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 . Specifically, 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 .

Preferably, 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.

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, located in the incubator 500, is used to detect the temperature of the incubator and send it to the control module.

The second temperature sensor, located in the water storage tank 210, is used to detect the temperature of the water storage tank 210 and send it to the control module;

The first liquid level sensor is located in the incubator 500 and is used to detect the liquid level in the incubator 500 and send it to the control module;

The second liquid level sensor, located in the water storage tank 210, is used to detect the liquid level of the water storage tank 210 and send it to the control module;

The time module is used to obtain and record the heat storage time value tx when the heat storage mode is running, and send it to the control module;

A control module is respectively connected in communication with the first temperature sensor, the second temperature sensor, the first liquid level sensor, the second liquid level sensor and the time module.

Specifically, on the basis of the above specific implementation of the heating system, this embodiment also provides a control method for the heating system, as shown in FIG. 2 , including the following steps:

Step S100, when the heat storage mode is running, obtain the temperature of the incubator Tb, the temperature of the water storage tank Tc, the liquid level of the heat preservation tank, the liquid level of the water storage tank and the heat storage time value tx when the heat storage mode is running, and determine the liquid level of the incubator Ratio of Hb to water storage tank liquid level ratio Hc;

Step S200, based on the heat storage time value tx and the preset time period t1 when the heat storage mode is running, and based on the temperature Tb of the insulated tank, the temperature Tc of the water storage tank, the liquid level ratio Hb of the insulated tank and The liquid level ratio Hc of the water storage tank determines the opening and closing of the first valve 400 .

Specifically, when the heater 100 is running in the heat storage mode, the heater 100 can preset the heat storage mode. When the user chooses to turn on the heat storage mode, the heater 100 enters the heat storage mode, and the heat storage tank 110 gradually enters the heat storage mode. Heat storage control. Preferably, the heat storage mode can be turned on following the turning on of the heater 100, but not turned off following the turning off of the heater 100. The turning off of the heater 100 refers to turning off the fan and other components, and can also refer to the 100 outages.

When running in thermal storage mode, the solar water heater 200 provides hot water to the incubator 500 . However, the hot water prepared by the solar water heater 200 needs to meet the user’s daily water requirements for bathing, and then use excess heat to supply heat to the incubator 500 .

It should be noted that the heat storage time value tx during heat storage mode operation refers to the time value obtained in real time. During the heat storage mode operation, each time the control method described in this embodiment is executed, or every interval The duration acquires the heat storage time value tx once, including but not limited to the time value when the heat storage mode is turned on. Wherein, the preset time period t1 refers to a time period during a peak period when a user uses the solar water heater for hot water.

In this embodiment, the heat storage time value tx during heat storage mode operation is obtained based on the heat storage time value tx and The preset time period t1 judges whether it is in the time period of the hot water peak period of the user using the solar water heater, and based on the temperature Tb of the incubator, the temperature Tc of the water storage tank, the liquid level ratio Hb of the incubator, the temperature of the water storage tank The liquid level height ratio Hc determines the opening and closing of the first valve 400 to ensure that the hot water prepared by the solar water heater 200 first meets the daily hot water demand of the user, and then uses the excess hot water to store hot water in the incubator 500 .

Specifically, when the temperature Tb of the incubator is greater than or equal to the first preset temperature value T1, the temperature Tc of the water storage tank is greater than or equal to the second preset temperature value T2, and the liquid level ratio Hb of the incubator is less than or equal to the first preset height ratio When H1, the heat storage time value tx falls into the preset time period t1 and the liquid level height ratio Hc of the water storage tank is greater than the second preset height ratio H2, the first valve 400 is controlled to open. Preferably, after controlling the opening of the first valve 400, when the liquid level ratio Hb of the incubator increases to be greater than or equal to the fifth preset height ratio H5 or the liquid level ratio Hc of the water storage tank decreases to be less than or equal to the second When the height ratio H2 is preset, the first valve 400 is closed. Specifically, the fifth preset height ratio H5 refers to the full storage height of the incubator 500 , which is in the range of 60% to 70%, preferably 65%.

Wherein, the first preset temperature value T1 is in the range of 45°C to 55°C, preferably 50°C. The second preset temperature value T2 is in the range of 60°C to 70°C, preferably 65°C. The first preset height ratio H1 is in the range of 25% to 35%, preferably 30%. The preset time period t1 is the pre-stored user water consumption peak time period, for example, the preset time period t1 is between 17:00 and 21:00 every day, or the preset time period t1 is calculated by recording the user's water consumption time. The second preset height ratio H2 refers to the ratio of the user's hot water consumption to the total water volume of the water storage tank, which can be obtained through the ratio of the height of the liquid level drop caused by the user's use of hot water in the water storage tank 210 to the total height of the water storage tank 210 To define the second preset height ratio H2, and the hot water consumption does not include the amount of hot water injected by the water storage tank 210 into the incubator 500; preferably, the second preset height ratio H2 is the hot water consumption for several consecutive days The average value of the quantity.

When the heat storage time value tx falls into the preset time period t1, it indicates that the heat storage running at this time is during the peak period of user water consumption, when the temperature Tb of the incubator is greater than or equal to 50°C and the temperature of the water storage tank Tc is greater than or equal to 65°C , the temperature in the water storage tank 210 can supply heat to the insulation box 500, and the temperature of the insulation box 500 is relatively high, as long as the liquid level ratio Hc of the water storage tank is greater than the second preset height ratio H2, that is, the water storage tank 210 internally meets the user's daily water consumption requirements. If there is excess hot water in addition to the amount of water, the first valve 400 is controlled to open, and the water storage tank 210 provides hot water to the incubator 500 .

Further, when the temperature Tb of the incubator is greater than or equal to the first preset temperature value T1, the temperature Tc of the water storage tank is greater than or equal to the second preset temperature value T2, and the liquid level ratio Hb of the incubator is less than or equal to the first preset height ratio H1, when the heat storage time value tx does not fall into the preset time period t1 and the water storage tank liquid level height ratio Hc is greater than the third preset height ratio H3, the first valve 400 is controlled to open; preferably, the first valve 400 is controlled After opening, when the liquid level ratio Hb of the incubator increases to be greater than or equal to the sixth preset height ratio H6 or the liquid level ratio Hc of the water storage tank decreases to less than or equal to the third preset height ratio H3, the first Valve 400. Specifically, the sixth preset height ratio H6 refers to the full storage height of the incubator 500 under this condition, which is in the range of 80% to 90%, preferably 85%.

Specifically, the third preset height ratio H3 refers to the lowest value of the water volume in the water storage tank 210, and the value is in the range of 5% to 10%, preferably 5%. When the heat storage time value tx does not fall into the preset time period t1, that is, when the heat storage mode runs to the user’s non-water consumption peak period, when the temperature Tb of the incubator is greater than or equal to 50°C, and the temperature Tc of the water storage tank is greater than or equal to 65°C, As long as the water stored in the water storage tank 210 is greater than 5%, the first valve 400 can be opened, and the water storage tank 210 injects hot water into the heat preservation tank 500 .

Further, when the temperature Tb of the incubator is less than the first preset temperature value T1, the temperature Tc of the water storage tank is greater than or equal to the second preset temperature value T2 and the height ratio Hb of the liquid level of the incubator is greater than the fourth preset height ratio H4, the control The fourth valve 430 is opened until the liquid level ratio Hb of the incubator decreases to less than or equal to the fourth preset height ratio H4, and then based on the liquid level ratio Hc of the water storage tank, the liquid level ratio Hb of the incubator and the heat storage mode operation time The heat storage time value tx of determines the opening and closing of the first valve 400 .

Specifically, the fourth preset height ratio H4 is in the range of 0% to 5%, preferably 0%.

When the temperature Tb of the heat preservation box is less than 50°C and the temperature Tc of the water storage tank is greater than or equal to 65°C, the heat of hot water in the water storage tank 210 meets the requirement of providing hot water to the heat preservation box 500. Water tank 210 provides hot water. At this time, when the amount of water in the incubator 500 is greater than 0%, the fourth valve 430 is first controlled to open, and the low-temperature water in the incubator 500 is discharged until the cold water in the incubator 500 is exhausted, and then based on the liquid level ratio of the water storage tank Hc The opening and closing of the first valve 400 is determined by the heat storage tank liquid level height ratio Hb and the heat storage time value tx in the heat storage mode.

Specifically, determining the opening and closing of the first valve 400 based on the liquid level ratio Hc of the water storage tank, the liquid level ratio Hb of the insulated tank, and the heat storage time value tx during the heat storage mode operation includes:

When the heat storage time value tx falls into the preset time period t1 and the liquid level ratio Hc of the water storage tank is greater than the second preset height ratio H2, the first valve 400 is controlled to open. Preferably, after controlling the opening of the first valve 400, when the liquid level ratio Hb of the incubator increases to be greater than or equal to the fifth preset height ratio H5 or the liquid level ratio Hc of the water storage tank decreases to be less than or equal to the second When the height ratio H2 is preset, the first valve 400 is closed. Specifically, the fifth preset height ratio H5 refers to the full storage height of the incubator 500 , which is in the range of 60% to 70%, preferably 65%.

Specifically, when the heat storage time value tx falls into the peak period of user water consumption, and the liquid level ratio of the water storage tank is greater than the second preset height ratio H2, that is, the water stored in the water storage tank 210 has met the user's daily water consumption, then The first valve 400 is controlled to open, and the water storage tank 210 is controlled to inject hot water into the heat preservation tank 500 .

Optionally, determining the opening and closing of the first valve 400 based on the liquid level ratio Hc of the water storage tank, the liquid level ratio Hb of the incubator tank, and the heat storage time value tx during the heat storage mode operation includes:

When the heat storage time value tx does not fall into the preset time period t1 and the water storage tank liquid level height ratio Hc is greater than the third preset height ratio H3, the first valve 400 is controlled to open; preferably, the first valve 400 is controlled to open Finally, when the liquid level ratio Hb of the incubator increases to be greater than or equal to the sixth preset height ratio H6 or the liquid level ratio Hc of the water storage tank decreases to less than or equal to the third preset height ratio H3, the first valve is closed 400. Specifically, the sixth preset height ratio H6 refers to the full storage height of the incubator 500 under this condition, which is in the range of 80% to 90%, preferably 85%.

When the heat storage time value tx does not fall into the peak period of user water consumption, as long as the liquid level ratio Hc of the water storage tank is greater than the third preset height ratio H3, that is, the amount of hot water in the water storage tank 210 is greater than 5%, the first valve is controlled. 400 is turned on, and the water storage tank 210 is controlled to provide hot water to the incubator 500 .

Further, the heating system control method described in this embodiment further includes: when the water storage tank 210 diverts the non-storage hot water to the outside of the incubator 500 every day within a plurality of days, acquiring the non-storage hot water in the plurality of days The amount of heat storage is to determine the average value of the non-storage heat amount per day in the plurality of days, and determine the value of the second preset height ratio to the average value of the non-storage heat amount and the total amount of the water storage tank 210 volume ratio.

For example, when the water storage tank 210 conducts non-storage hot water to the outside of the incubator 500 within 3 days (wherein the 3 days can be 3 consecutive days or 3 days intermittently), the water will flow to the outside of the incubator 500 every day. The diverted non-storage hot water volumes are 0.33m ³ , 0.42m ³ and 0.36m ³ respectively. The average non-storage hot water volume of 3 days is 0.37m ³ which is the average non-storage hot water volume per day. The water storage tank 210 The total volume is 1 m ³ . Then the second preset height ratio is the ratio of 0.37m ³ to 1m ³ , that is, the second preset height ratio is 37%.

It should be noted that, on the one hand, the hot water in the water storage tank 210 is diverted to the incubator 500 for heat storage in the heat storage tank; , such as bathing and water radiators, etc. This embodiment is based on the hot water diverted from the water storage tank 210 to the outside of the incubator 500 for several days to calculate the user's daily water consumption for bathing and other non-heat storage tanks. When the amount of water stored in the water storage tank is greater than the amount of non-heat storage , control the water storage tank 210 to supply water to the incubator 500, first meet the user's daily water demand, and then provide heat storage hot water to the heater.

Specifically, this embodiment also provides a heating system control device. The following describes the heating system control device provided by the present invention. The heating system control device described below can correspond to the heating system control method described above. refer to.

FIG. 3 illustrates a schematic diagram of the physical structure of an electronic device. As shown in FIG. 3 , 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 logic instructions in the memory 930 to execute the heating system control method.

In addition, 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. Based on this understanding, the essence of the technical solution of the present invention 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 various embodiments of the present invention. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disk and other media that can store program codes. .

On the other hand, the present invention 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 heating system control method.

In yet another aspect, the present invention 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 heating system control method.

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 modules 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 efforts.

Through the above description of the implementations, those skilled in the art can clearly understand that each implementation can be implemented by means of software plus a necessary general hardware platform, and of course also by hardware. Based on this understanding, 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.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be Modifications are made to the technical solutions described in the foregoing embodiments, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims (7)

1. A control method of a heating system, characterized in that the heating system includes:

a heater comprising a heat storage tank;

the solar water heater is provided with a water storage tank, and the water storage tank is provided with a water outlet and a water return port;

the heat preservation box is provided with a first water inlet and a first water drainage port;

a conduit comprising a first conduit connected between the water outlet and the first water inlet and a second conduit connected between the water return and the first water drain, the second conduit being partially located within the thermal storage tank;

a first valve disposed on the first conduit;

a first circulation pump disposed on the second conduit;

the first temperature sensor is positioned in the heat insulation box and used for detecting the temperature of the heat insulation box and sending the temperature to the control module;

the second temperature sensor is positioned in the water storage tank, is used for detecting the temperature of the water storage tank and sends the temperature to the control module;

the first liquid level sensor is positioned in the heat insulation box and used for detecting the liquid level height of the heat insulation box and sending the liquid level height to the control module;

the second liquid level sensor is positioned in the water storage tank, is used for detecting the liquid level height of the water storage tank and sends the liquid level height to the control module;

the time module is used for acquiring and recording a heat storage time value during the operation of the heat storage mode and sending the heat storage time value to the control module so that the control module can determine whether the heat storage time value during the operation of the heat storage mode falls into a preset time period or not;

the control module is respectively in communication connection with the first temperature sensor, the second temperature sensor, the first liquid level sensor, the second liquid level sensor and the time module;

the heat storage time value during the operation in the heat storage mode refers to a time value obtained in real time;

the preset time period refers to a peak time period when a user uses hot water in the solar water heater;

the control method of the heating system comprises the following steps:

step S100, when the heat storage mode is operated, acquiring the temperature of the heat preservation box, the temperature of the water storage tank, the liquid level height of the heat preservation box, the liquid level height of the water storage tank and a heat storage time value when the heat storage mode is operated, and determining the ratio of the liquid level height of the heat preservation box to the liquid level height of the water storage tank;

step S200, determining the opening and closing of a first valve based on the judgment result of whether the heat storage time value in the heat storage mode operation falls into a preset time period, the temperature of the heat insulation box, the temperature of the water storage tank, the liquid level height ratio of the heat insulation box and the liquid level height ratio of the water storage tank;

wherein, the liquid level height ratio of the water storage tank refers to a proportional value of the liquid level height of the water storage tank and the liquid level height of liquid fully stored in the water storage tank;

the height ratio of the liquid level of the heat preservation box refers to a proportional value of the height of the liquid level of the heat preservation box and the height of the liquid level of liquid filled in the heat preservation box;

the determining whether the first valve is opened or closed based on the determination result of whether the heat storage time value during the operation in the heat storage mode falls into a preset time period, the temperature of the heat preservation box, the temperature of the water storage tank, the liquid level height ratio of the heat preservation box and the liquid level height ratio of the water storage tank comprises:

when the temperature of the heat insulation box is greater than or equal to a first preset temperature value, the temperature of the water storage tank is greater than or equal to a second preset temperature value, the liquid level height ratio of the heat insulation box is less than or equal to a first preset height ratio, and the heat storage time value falls into a preset time period, and the liquid level height ratio of the water storage tank is greater than a second preset height ratio, the first valve is controlled to be opened;

wherein the first preset temperature value is within a range of 45 ℃ to 55 ℃;

the second preset temperature value is in the range of 60 ℃ to 70 ℃;

the first preset height ratio is in the range of 25% to 35%;

the second preset height ratio is a proportional value of the liquid level of the water storage tank which is lowered due to the use of hot water by a user and the liquid level of the liquid which is fully stored in the water storage tank;

the determining, based on a determination result of whether the heat storage time value during the operation in the heat storage mode falls within a preset time period, the temperature of the heat preservation tank, the temperature of the water storage tank, the liquid level height ratio of the heat preservation tank, and the liquid level height ratio of the water storage tank, whether the first valve is opened or closed includes:

when the temperature of the heat insulation box is greater than or equal to a first preset temperature value, the temperature of the water storage tank is greater than or equal to a second preset temperature value, the liquid level height ratio of the heat insulation box is less than or equal to a first preset height ratio, the heat storage time value does not fall into a preset time period, and the liquid level height ratio of the water storage tank is greater than a third preset height ratio, the first valve is controlled to be opened;

wherein the third preset height ratio H3 refers to a minimum water volume of the storage tank.

2. The heating system control method according to claim 1, wherein the determining of the opening and closing of the first valve based on the determination result of whether the heat storage time value during the heat storage mode operation falls within a preset time period, the incubator temperature, the tank temperature, the incubator liquid level ratio, and the tank liquid level ratio includes:

when the temperature of the heat insulation box is less than a first preset temperature value, the temperature of the water storage box is greater than or equal to a second preset temperature value, and the liquid level height ratio of the heat insulation box is greater than a fourth preset height ratio, a fourth valve is controlled to be opened until the liquid level height ratio of the heat insulation box is reduced to be less than or equal to the fourth preset height ratio, and then the opening and closing of the first valve are determined based on the liquid level height ratio of the water storage box, the liquid level height ratio of the heat insulation box and the heat storage time value during the heat storage mode operation;

wherein,

the fourth preset height ratio is in the range of 0% to 5%;

the fourth valve is a valve for discharging liquid from the heat preservation box to the outside.

3. The heating system control method according to claim 2, wherein the determining of the opening and closing of the first valve based on the water level ratio of the water storage tank, the water level ratio of the incubator, and the heat storage time value during the heat storage mode operation comprises:

and when the heat accumulation time value falls into a preset time period and the height ratio of the liquid level of the water storage tank is greater than a second preset height ratio, controlling the first valve to open.

4. The heating system control method according to claim 2, wherein the determining of the opening and closing of the first valve based on the water level ratio of the water storage tank, the water level ratio of the incubator, and the heat storage time value during the heat storage mode operation comprises:

and when the heat accumulation time value does not fall into a preset time period and the height ratio of the liquid level of the water storage tank is greater than a third preset height ratio, controlling the first valve to be opened.

5. The heating system control method according to claim 1 or 3, wherein after the first valve is controlled to be opened, when the height ratio of the liquid level in the thermal insulation box is increased to be greater than or equal to a fifth preset height ratio or the height ratio of the liquid level in the water storage tank is decreased to be less than or equal to the second preset height ratio, the first valve is controlled to be closed;

and the fifth preset height ratio refers to the full storage height of the incubator corresponding to the first valve which is opened when the heat storage time value falls into the preset time period.

6. The heating system control method according to claim 1 or 4, wherein after the first valve is controlled to be opened, when the height ratio of the liquid level in the thermal insulation box is increased to be greater than or equal to a sixth preset height ratio or the height ratio of the liquid level in the water storage tank is decreased to be less than or equal to a third preset height ratio, the first valve is controlled to be closed;

and the sixth preset height ratio is the full storage height of the incubator corresponding to the first valve which is opened when the heat storage time value does not fall into the preset time period.

7. The control method of a heating system according to claim 1 or 5, characterized in that the control method further comprises: when the water storage tank conducts non-heat storage water to the outside of the heat preservation tank every day in multiple days, obtaining non-heat storage water amount in the multiple days, determining the average value of the non-heat storage water amount in the multiple days every day, and determining the second preset height ratio as the ratio of the average value of the non-heat storage water amount to the total volume of the water storage tank.

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