CN117999443A - Heating system and control method thereof - Google Patents

Heating system and control method thereof Download PDF

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Publication number
CN117999443A
CN117999443A CN202280061694.2A CN202280061694A CN117999443A CN 117999443 A CN117999443 A CN 117999443A CN 202280061694 A CN202280061694 A CN 202280061694A CN 117999443 A CN117999443 A CN 117999443A
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CN
China
Prior art keywords
water
temperature value
heating
water supply
temperature
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202280061694.2A
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Chinese (zh)
Inventor
陈卫星
潘翠连
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Hisense Hitachi Air Conditioning System Co Ltd
Original Assignee
Qingdao Hisense Hitachi Air Conditioning System Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Hisense Hitachi Air Conditioning System Co Ltd filed Critical Qingdao Hisense Hitachi Air Conditioning System Co Ltd
Publication of CN117999443A publication Critical patent/CN117999443A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • F24D15/00—Other domestic- or space-heating systems
    • F24D15/04—Other domestic- or space-heating systems using heat pumps
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/001—Compression cycle type
    • 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
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/12—Heat pump
    • F24D2200/123—Compression type heat pumps
    • 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
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/12—Hot water central heating systems using heat pumps

Abstract

Provided are a heating system (1) and a control method therefor, wherein the heating system (1) comprises: a water tank (20); a heat pump unit (10) configured to heat or cool water in the water tank (20); a plurality of waterways (30), one waterway (30) being configured to supply water in the water tank (20) to a plurality of heating terminals (41, 42, 43, 44); a plurality of first temperature sensors (60, 61, 62, 63), one first temperature sensor (60, 61, 62, 63) configured to detect a temperature value of a space where one heating tip (41, 42, 43, 44) is located; a controller (50) configured to: for each waterway system (30), acquiring a first temperature value of a space in which each heating terminal (41, 42, 43, 44) corresponding to the waterway system (30) is located; determining a corrected set water supply temperature value of the waterway system (30) according to a first temperature value of the space where each heating end (41, 42, 43, 44) is located and a set temperature value of the space where each heating end (41, 42, 43, 44) is located; according to the corrected set water supply temperature values of the water path systems (30), determining the corrected load rate of the heat pump unit (10); the heat pump unit (10) is controlled to operate with the corrected load factor.

Description

Heating system and control method thereof
The present disclosure claims priority from chinese patent application number 202210613411.2 filed 5/31 2022, the entire contents of which are incorporated herein by reference.
Technical Field
The disclosure relates to the technical field of air conditioners, in particular to a heating system and a control method thereof.
Background
With the advancement of energy conservation and emission reduction, heat pump unit-based heating systems using renewable heat energy sources are increasingly used, and particularly in winter heating areas, heat pump unit-based heating systems can be used as alternatives to fuel oil, fuel gas or fire coal-based heating systems.
The heating system based on the heat pump unit adopts electric drive to absorb air source heat to prepare circulating hot water, and the circulating hot water circulates to the heating tail end of the room where the user is located through a waterway system, such as a radiator or a floor heater, and radiates heat to heat the room where the user is located. However, at present, the temperature of the circulating hot water is controlled by the heat pump unit, and the room temperature control of the room in which the user is located is generally controlled by an independent third party, so that the operation effect of the heating system is poor and the waste of electric power resources is caused.
Disclosure of Invention
In one aspect, a heating system is provided. The heating system includes: the system comprises a water tank, a heat pump unit, a plurality of waterway systems, a plurality of first temperature sensors and a controller. The heat pump unit is configured to heat or cool water in the water tank; the plurality of waterway systems are configured to supply water in the water tank to a plurality of heating terminals; the plurality of first temperature sensors are configured to detect temperature values of spaces where the plurality of heating terminals are located; the controller is configured to: acquiring a first temperature value of a space where a heating tail end corresponding to the waterway system is located; wherein, the water systems can be independently started and shut down and set the circulating water temperature; the space where the plurality of waterway systems are located can be independently turned on/off and the temperature of the space is set; determining a corrected set water supply temperature value of the waterway system according to a first temperature value of the space where the heating tail end is positioned and a set temperature value of the space where the heating tail end is positioned; according to the corrected set water supply temperature values of the water path systems, determining the corrected load rate of the heat pump unit; and controlling the heat pump unit to work at the corrected load rate.
In another aspect, a control method of a heating system is provided, which is applied to the heating system. The method comprises the following steps: for a plurality of waterway systems, acquiring a first temperature value of a space where a heating tail end corresponding to the waterway system is located; the water path systems can be independently started/shut down and set for circulating water temperature; the space where the plurality of waterway systems are located can be independently turned on/off and the temperature of the space is set; determining a corrected set water supply temperature value of the waterway system according to the first temperature values of the spaces where the heating terminals are located and the set temperature values of the spaces where the heating terminals are located; according to the corrected set water supply temperature values of the water path systems, determining the corrected load rate of the heat pump unit; and controlling the heat pump unit to work at the corrected load rate.
Drawings
FIG. 1 is a schematic diagram of a heating system according to some embodiments of the present disclosure;
FIG. 2 is a block diagram of a hardware configuration of a heating system provided in some embodiments of the present disclosure;
fig. 3 is a schematic interaction diagram of a terminal device and a controller according to some embodiments of the present disclosure;
Fig. 4 is a schematic diagram of a display interface of a terminal device according to some embodiments of the present disclosure;
FIG. 5 is a flow chart of a control method of a heating system according to some embodiments of the present disclosure;
FIG. 6 is a flow chart of another control method of a heating system according to some embodiments of the present disclosure;
FIG. 7 is a flow chart of another control method of a heating system according to some embodiments of the present disclosure;
FIG. 8 is a flow chart of another control method of a heating system according to some embodiments of the present disclosure;
FIG. 9 is a flow chart of another control method of a heating system according to some embodiments of the present disclosure;
FIG. 10 is a flow chart of another control method of a heating system according to some embodiments of the present disclosure;
fig. 11 is a schematic hardware structure of a controller according to some embodiments of the present disclosure.
Detailed Description
The following description of the embodiments of the present disclosure will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present disclosure. All other embodiments obtained by one of ordinary skill in the art based on the embodiments provided by the present disclosure are within the scope of the present disclosure.
Throughout the specification and claims, unless the context requires otherwise, the word "comprise" and its other forms such as the third person referring to the singular form "comprise" and the present word "comprising" are to be construed as open, inclusive meaning, i.e. as "comprising, but not limited to. In the description of the specification, the terms "one embodiment", "some embodiments (some embodiments)", "exemplary embodiment (exemplary embodiments)", "example (example)", "specific example (some examples)", etc. are intended to indicate that a particular feature, structure, material, or characteristic associated with the embodiment or example is included in at least one embodiment or example of the present disclosure. The schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The terms "first" and "second" are used below for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present disclosure, unless otherwise indicated, the meaning of "a plurality" is two or more.
In describing some embodiments, expressions of "coupled" and "connected" and their derivatives may be used. For example, the term "connected" may be used in describing some embodiments to indicate that two or more elements are in direct physical or electrical contact with each other. As another example, the term "coupled" may be used in describing some embodiments to indicate that two or more elements are in direct physical or electrical contact. However, the term "coupled" or "communicatively coupled (communicatively coupled)" may also mean that two or more elements are not in direct contact with each other, but yet still cooperate or interact with each other. The embodiments disclosed herein are not necessarily limited to the disclosure herein.
At least one of "A, B and C" has the same meaning as at least one of "A, B or C" and includes the following combinations of A, B and C: a alone, B alone, C alone, a combination of a and B, a combination of a and C, a combination of B and C, and a combination of A, B and C.
"A and/or B" includes the following three combinations: only a, only B, and combinations of a and B.
As used herein, the term "if" is optionally interpreted to mean "when … …" or "at … …" or "in response to a determination" or "in response to detection" depending on the context. Similarly, the phrase "if determined … …" or "if a [ stated condition or event ] is detected" is optionally interpreted to mean "upon determination … …" or "in response to determination … …" or "upon detection of a [ stated condition or event ]" or "in response to detection of a [ stated condition or event ], depending on the context.
The use of "adapted" or "configured to" herein is meant to be an open and inclusive language that does not exclude devices adapted or configured to perform additional tasks or steps.
In addition, the use of "based on" is intended to be open and inclusive in that a process, step, calculation, or other action "based on" one or more of the stated conditions or values may be based on additional conditions or beyond the stated values in practice.
The ATW (Air-Water) heat pump unit adopts an electrically driven refrigerant circulation system to absorb Air source heat to prepare circulating hot Water, and the circulating hot Water circulates to the heating tail end of a user through a Water pump, such as a radiator or a floor heater, so that heat is emitted to heat the room environment of the user. Here, the heat pump unit is a source, and the user heating terminal includes a waterway circulation system for intermediate transfer, in which the room environment is a terminal. The technical proposal combines the heat pump-waterway circulation system-space environment temperature regulation into a set of unified and coupled system through two directionsThe system is characterized by comprising the steps of adjusting, transferring parameters, states and controlling, enabling the heat pump capacity to output, controlling water temperature and circulating control (on/off and water pump circulation) of a waterway circulating system, adjusting and controlling space environment temperature (on/off), namely mutually influencing to form full-flow coordinated control, being relatively independent, realizing independent waterway circulating system control (independently setting temperature and on/off), and independent space environment control (independently setting temperature and on/off), finally meeting individual control and user comfort of a user, and operating with high efficiency.
In the related art, the heat pump unit generally controls the water temperature of the heat pump water supply, the room temperature control from water to the user terminal is generally controlled by an independent third party (including a temperature control valve, a controller and the like), the heat pump unit, the waterway system and the room temperature control are not integrated systematically or are limited in degree, the heat pump unit, the waterway system and the room temperature control are not well coordinated with each other, and the control of the heat pump unit, the waterway system and the room temperature control system in the whole process and the parameter transmission in the whole process are not carried out, so that the waste of electric power resources can be caused. For example, when the heat pump unit keeps operating at the rated load rate, the temperature of the circulating hot water produced by the heat pump unit is kept constant, and when the temperature set by the room temperature control is adjusted, for example, when the temperature set by the room temperature control is lowered, the heat pump unit still operates at the rated load rate due to the fact that the heat pump unit and the room temperature control cannot cooperate, the heat pump unit excessively heats the circulating hot water, and therefore the operation effect and efficiency are poor.
The independent third party control means that the control mode is simple, for example, a room controller and a linked temperature control valve are adopted. When the room temperature is not reached, the room controller drives the temperature control valve to open, water flow is provided, and the room is heated. When the room temperature is reached, the room controller drives the temperature control valve to be closed, and the water flow is stopped. The water circulation with certain temperature is provided by the heat pump, and the room controller is not directly connected with the heat pump or is simply started and stopped in linkage. For example, when the room temperature is reduced or increased, the heat pump still provides fixed flow, and the hot water circulation of fixed temperature, operation effect, inefficiency.
Based on this, some embodiments of the present disclosure provide a control method of a heating system, by combining a temperature value set by temperature control of a room with an actual temperature value of the room, correcting a set water supply temperature value of a water path system for supplying water to the room, and obtaining a corrected set water supply temperature value of the water path system. And carrying out the processing on each waterway system to obtain a corrected set water supply temperature value of each waterway system, and further correcting the load factor of the heat pump unit according to the corrected set water supply temperature value of each waterway system to obtain the corrected load factor of the heat pump unit. Therefore, the load rate of the heat pump unit is attached to the actual demand of a user, the heat pump unit does not work with a fixed load rate, and the utilization rate of electric power resources is improved while the mutual coordination of the heat pump unit, the waterway system and the room temperature control is realized.
For ease of understanding, a brief description and description of some of the terms or basic concepts of the technology involved in the embodiments of the present disclosure will first be presented.
The heat pump unit is a circulation system composed of a compressor, a heat exchanger, a throttle (e.g. expansion valve), a heat absorber, a compressor, etc. The heat pump unit performs a cooling and heating cycle of the heat pump unit by using a compressor, a condenser, an expansion valve, and an evaporator. The refrigerating and heating cycle includes a series of processes involving compression, condensation, expansion and evaporation, and refrigerating or heating an indoor space.
Taking refrigeration cycle as an example, low-temperature low-pressure refrigerant enters a compressor, the compressor compresses refrigerant gas in a high-temperature high-pressure state, and the compressed refrigerant gas is discharged. The discharged refrigerant gas flows into the condenser. The condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process. The expansion valve expands the liquid-phase refrigerant in a high-temperature and high-pressure state formed by condensation in the condenser into a low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator may achieve a cooling effect by exchanging heat with a material to be cooled using latent heat of evaporation of a refrigerant. In the whole cycle, the heat pump unit can adjust the temperature of the indoor space.
The outdoor unit of the heat pump unit refers to a portion of the refrigeration cycle including a compressor, an outdoor heat exchanger, and an outdoor fan, the indoor unit of the heat pump unit includes a portion of the indoor heat exchanger and the indoor fan, and a throttling device (e.g., a capillary tube or an electronic expansion valve) may be provided in the indoor unit or the outdoor unit.
The indoor heat exchanger and the outdoor heat exchanger function as a condenser or an evaporator. The heat pump unit performs a heating mode when the indoor heat exchanger is used as a condenser, and performs a cooling mode when the indoor heat exchanger is used as an evaporator. The mode of converting the indoor heat exchanger and the outdoor heat exchanger into a condenser or an evaporator generally adopts a four-way valve, and details are not repeated here.
The refrigeration working principle of the heat pump unit is as follows: the compressor works to enable the interior of an indoor heat exchanger (in an indoor unit, an evaporator at the moment) to be in an ultralow pressure state, liquid refrigerant in the indoor heat exchanger is rapidly evaporated to absorb heat, air blown out by an indoor fan is cooled by an indoor heat exchanger coil and then changed into cold air to be blown into the indoor, the evaporated refrigerant is pressurized by the compressor and then condensed into liquid state in a high-pressure environment in an outdoor heat exchanger (in an outdoor unit, a condenser at the moment), heat is released, the heat is emitted to the atmosphere by the outdoor fan, and the refrigerating effect is achieved through circulation.
The heating working principle of the heat pump unit is as follows: the gaseous refrigerant is pressurized by the compressor to become high-temperature high-pressure gas, and enters the indoor heat exchanger (a condenser at the moment), so that the gaseous refrigerant is condensed, liquefied and released heat to become liquid, and meanwhile, the indoor air is heated, so that the aim of improving the indoor temperature is fulfilled. The liquid refrigerant is decompressed by the throttling device, enters the outdoor heat exchanger (an evaporator at the moment), evaporates, gasifies and absorbs heat to become gas, and simultaneously absorbs heat of outdoor air (the outdoor air becomes colder) to become gaseous refrigerant, and enters the compressor again to start the next cycle.
The refrigerant is a substance that is easily absorbed in heat to become gas and easily released in heat to become liquid. In the heating system, heat energy is transferred by evaporation and condensation of a refrigerant, thereby generating a refrigerating effect.
Fig. 1 is a schematic diagram illustrating a heating system according to an exemplary embodiment of the present disclosure. As shown in fig. 1, the heating system 1 includes a heat pump unit 10, a water tank 20, a plurality of waterway systems 30, a plurality of heating terminals (e.g., heating terminal 41, heating terminal 42, heating terminal 43, and heating terminal 44), and a controller 50. In some embodiments, the plurality of waterways 30 includes a first waterway system and a second waterway system, and the first waterway system may include the circulating water pump 311, the thermo valve 321, and the thermo valve 322, and the second waterway system may include the circulating water pump 312, the thermo valve 323, the thermo valve 324, and the mixing valve 331, which will be described in detail below, and will not be explained here.
In some embodiments, the heat pump unit 10 is electrically coupled to the controller 50, and is connected to the water tank 20 through a pipeline, and the heat pump unit 10 is used for heating or cooling water in the water tank 20. For convenience of description, the heat pump unit 10 will be described below by taking a heat treatment of water in the water tank 20 as an example.
In some embodiments, the heat pump unit 10 may be an air source heat pump unit, or a water source heat pump unit, which has in common that heat is extracted from a heat source to produce circulating hot water for space heating, which is not limited by the embodiments of the present disclosure.
In some embodiments, a main circulation pump 11 may be disposed on a pipeline between the heat pump unit 10 and the water tank 20, the main circulation pump 11 being electrically connected to the controller 50, the main circulation pump 11 being used to implement water circulation between the heat pump unit 10 and the water tank 20.
In some embodiments, a water tank (also referred to as a buffer tank) 20 is connected to each heating tip through a plurality of waterways 30. The water tank 20 is used for storing water, including hot water or cold water produced by the heat pump unit 10 and water re-entering the water tank through the waterway system 30 after heat exchange of the hot water in each heating terminal.
In some embodiments, each waterway system 30 is electrically connected to the controller 50, one waterway system 30 is connected to a plurality of heating terminals through a pipeline, and the plurality of waterway systems 30 are used to achieve water circulation between the water tank 20 and the respective heating terminals. One waterway system can comprise a plurality of circulating water pumps and a plurality of temperature control valves. In some embodiments, one waterway system 30 may also include a mixing valve 331.
For example, it is assumed that the plurality of waterway systems includes a first waterway system and a second waterway system, wherein the waterway system supplying water to the room 1 and the room 2 is the first waterway system, and the waterway system supplying water to the room 3 and the room 4 is the second waterway system.
In some embodiments, the first waterway system may be referred to as a high Wen Shuilu and the second waterway system may be referred to as a low-temperature waterway. For one high-temperature water path, the hot water in the water tank 20 can be directly circulated to each heating end corresponding to the high-temperature water path through the circulating water pump, so that each high-temperature water path needs to be set with the same set water supply temperature value. For one low-temperature water path, the hot water in the water tank 20 is circulated to each heating end corresponding to the sub-low-temperature water path through the water mixing valve and the circulating water pump, so that each low-temperature water path can be set with different set water supply temperature values.
In some embodiments, the circulating water pump (e.g., circulating water pump 311) is a machine that delivers or pressurizes a fluid, including some that delivers a gas. The circulating water pump is used to convey water in the water tank 20 into a heating terminal (e.g., heating terminal 41).
In some embodiments, a temperature control valve (abbreviated as a thermo valve) may be disposed on the water inlet pipe of each heating end, for example, a thermo valve 321 is disposed on the water inlet pipe of the heating end 41, for adjusting the temperature value of water entering the heating end (for example, the heating end 41).
In some embodiments, the pipeline of the water tank 20 connected to the heating terminals may include a water inlet pipeline and a water return pipeline, wherein water (such as hot water) in the water tank 20 may enter each heating terminal through the water inlet pipeline, the hot water is cooled into cold water after exchanging heat with a space where the heating terminal is located in the heating terminal, and the cold water reenters the water tank 20 from the water return pipeline to complete water circulation.
In some embodiments, a mixing valve 331 is used to mix hot and cold water at one heating end.
In some embodiments, the water mixing valve may be disposed on a water supply pipe of one waterway system for supplying water to a plurality of heating terminals corresponding to the waterway system. As shown in fig. 1, the mixing valve 331 may be provided to a water supply line of the second waterway system supplying water to the heating terminal 43 and the heating terminal 44 and a water return line of the heating terminal 43 and the heating terminal 44 to the water tank 20.
In some embodiments, the heating tip may include a radiator, a floor heater, and a central air conditioner. And a space where a heating terminal is located can be understood as a room. Illustratively, heating tip 41 and heating tip 42 are radiators and heating tip 43 and heating tip 44 are floor heating in fig. 1, and the comparison of the embodiments of the present disclosure is not limited.
In the illustrated embodiment of the present disclosure, the controller 50 refers to a device that can generate an operation control signal, instructing the heating system to execute a control command, based on a command operation code and a timing signal. By way of example, the controller may be a central processing unit (central processing unit, CPU), a general purpose processor network processor (network processor, NP), a digital signal processor (DIGITAL SIGNAL processing, DSP), a microprocessor, a microcontroller, a programmable logic device (programmable logic device, PLD), or any combination thereof. The controller 50 may also be other devices having processing functions, such as a circuit, device or software module, which embodiments of the present disclosure do not limit in any way.
Further, the controller 50 may be used to control the operation of the components within the heating system 1 such that the components of the heating system 1 operate to perform predetermined functions of the heating system.
In some embodiments, the heating system 1 is also attached with a remote control having a function of communicating with the controller 50 using, for example, infrared rays or other communication means. The remote controller is used for various control of the heating system by a user, and interaction between the user and the heating system 1 is realized.
Fig. 2 is a hardware configuration block diagram of a heating system provided by the present disclosure according to an exemplary embodiment. As shown in fig. 2, the heating system may further include one or more of the following: a plurality of first temperature sensors (e.g., first temperature sensor 60, first temperature sensor 61, first temperature sensor 62, and first temperature sensor 63), a second temperature sensor 70, a plurality of thermostats (e.g., thermostat 71, thermostat 72, thermostat 73, and thermostat 74), at least one third temperature sensor (e.g., third temperature sensor 75), a communicator 80, and a memory 90.
In some embodiments, a plurality of first temperature sensors are each coupled to the controller 50. A first temperature sensor detects a temperature value of a space where the heating terminal is located and transmits the detected temperature value to the controller 50. For example, in connection with the heating system shown in fig. 1, first temperature sensors 60-63 may be provided in the rooms 1-4, respectively, for detecting temperature values of the rooms 1-4, and transmitting the detected temperature values of the rooms 1-4 to the controller 50.
In some embodiments, a second temperature sensor 70 is connected to the controller, and the second temperature sensor 70 may be disposed in the water tank 20, for example, may be disposed at a water outlet of the water tank 20, for detecting a water outlet temperature value of the water tank 20, and transmitting the detected water outlet temperature value to the controller 50.
In some embodiments, a plurality of temperature controllers (thermostats for short) are each connected to the controller 50. A thermostat may be provided in a space where a heating terminal is located, for example, the thermostats 71-74 may be provided in the rooms 1-4 shown in fig. 1, respectively.
The user may set the set temperature value of the room 1 through the thermostat 71, and may also adjust the set temperature value of the room 1. After the thermostat 71 receives the adjustment instruction from the user, the adjustment instruction is sent to the controller 50.
In some embodiments, the temperature controller may be independent, or may be integrated with the controller 50, that is, the temperature controller may be an independent physical device, or may be a virtual module or a virtual device in the controller 50, which is not limited in this disclosure.
In some embodiments, each thermostat may operate independently of the other thermostats.
In some embodiments, at least one third temperature sensor is connected to the controller 50, respectively, and the third temperature sensor is used for detecting water temperature values of water supplied from one waterway system to the corresponding plurality of heating terminals, and transmitting the detected water temperature values to the controller 50. For example, a third temperature sensor may be provided between the mixing valve 331 and the temperature control valve 323 of the second waterway system to detect a water temperature value of water supplied from the second waterway system to the heating terminal 43 and the heating terminal 44.
In some embodiments, the communicator 80 is configured to establish a communication connection with other network entities, such as with a terminal device. The communicator 80 may include a Radio Frequency (RF) module, a cellular module, a wireless fidelity (WIRELESS FIDELITY, WIFI) module, a GPS module, and the like. Taking an RF module as an example, the RF module may be used for receiving and transmitting signals, in particular, transmitting the received information to the controller 50 for processing; in addition, a signal generated by the controller 50 is transmitted. Typically, the RF circuitry may include, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier (low noise amplifier, LNA), a duplexer, and the like.
Memory 90 may be used to store software programs and data. The controller 50 executes various functions and data processing of the heating system 1 by running software programs or data stored in the memory 90. Memory 90 may include high-speed random access memory, but may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage device. The memory 90 stores an operating system that enables the heating system 1 to operate. The memory 90 in the present disclosure may store an operating system and various application programs, and may also store codes for performing the control method of the heating system provided by some embodiments of the present disclosure.
Those skilled in the art will appreciate that the hardware configuration shown in FIG. 2 is not limiting of the heating system, which may include more or fewer components than shown, or may combine certain components, or a different arrangement of components.
Fig. 3 is a schematic diagram illustrating interaction between a controller 50 and a terminal device 300 according to an exemplary embodiment of the disclosure.
As shown in fig. 3, the terminal device 300 may establish a communication connection with the controller 50 of the heating system. By way of example, the establishment of the communication connection may be accomplished using any known network communication protocol. The network communication protocol may be various wired or wireless communication protocols.
It should be noted that the terminal device 300 shown in fig. 3 is only one example of a terminal device. The terminal device 300 in the present disclosure may be a remote controller, a mobile phone, a tablet computer, a personal computer (personal computer, PC), a Personal Digital Assistant (PDA), a smart watch, a netbook, a wearable electronic device, an augmented reality (augmented reality, AR) device, a Virtual Reality (VR) device, a robot, etc., and the present disclosure does not limit the specific form of the terminal device in particular.
By way of example, taking the terminal device 300 as a mobile phone, a user may download an intelligent home APP on the mobile phone, where the intelligent home APP may be used to manage an intelligent home device, and in the embodiment of the disclosure, the intelligent home device is taken as the heating system 1 to illustrate. Further, the user may select an online device of the heating system 1, and select a control function to be executed on the heating system 1 among management options of the heating system 1. For example, as shown in fig. 4, management options of the heating system 1 displayed on the intelligent home APP may include control functions of on, off, switching modes (e.g., cooling mode, heating mode), and the like. If the user is detected to click a start button of the intelligent home APP for the heating system 1, the mobile phone can send a start instruction to the heating system 1.
Embodiments provided by the present disclosure are specifically described below with reference to the accompanying drawings.
As shown in fig. 5, an embodiment of the present disclosure provides a control method of a heating system, which is applied to the controller 50 in the heating system shown in fig. 1, and includes the following steps:
S101, for each waterway system, acquiring a first temperature value of a space where each heating terminal corresponding to the waterway system is located, wherein the waterway systems can be independently started/shut down and set circulating water temperature; the space where the plurality of waterway systems are located can be independently turned on/off and the temperature of the space is set.
In some embodiments, when a user needs to use the heating system to perform heating, the user may issue a start-up instruction to the heating system through a terminal device, a remote controller, a temperature controller, or the like. In response to the start-up instruction, the controller controls all components of the heating system to start up for working, for example, controls the heat pump unit to start heating treatment on water in the water tank.
When the heating system is in a working state, in order to timely acquire whether the temperature value of water in the water tank can meet the requirement of a user after the current heat pump unit heats the water in the water tank, the controller can acquire first temperature values of the spaces where the plurality of heating terminals corresponding to each waterway system are located through the first temperature sensor.
The first temperature value of the space where each heating end is located may be a current temperature value of the space where each heating end is located (e.g., living room, study room, bedroom, etc.).
S102, determining a corrected set water supply temperature value of the waterway system according to the first temperature value of the space where each heating end is located and the set temperature value of the space where each heating end is located.
The set temperature value of the space where the heating terminal is located is the temperature value to be reached by the room set by the user of the room. It will be appreciated that the requirements of different users for the room heating temperature may be different, and thus the set temperature value for the space in which each heating tip is located may also be different.
The set water supply temperature value of the water path system is the temperature value of water provided by the water path system to the corresponding heating terminals. The set temperature value of the water path system may be preset when the heating system leaves the factory, or may be set by a user through a remote controller or terminal equipment of the heating system, which is not limited in the embodiment of the disclosure.
In some embodiments, in order to ensure accuracy of correction of the set water supply temperature value of the water path system, at least one water path system in a start-up state may be determined from a plurality of water path systems, so as to obtain a first temperature value of a space where a heating end in a room temperature control start-up state is located in a plurality of heating ends corresponding to the at least one water path system in the start-up state.
In some embodiments, as shown in fig. 6, step S102 may be embodied as the following steps:
s1021, performing difference processing on the set temperature value of the space where each heating terminal is located and the first temperature value of the space where each heating terminal is located, so as to obtain a plurality of first temperature differences.
It will be appreciated that the set temperature value of the space where one heating end is located is the temperature value that the user should set to be reached for this room, while the first temperature value of the space where one heating end is located is the current actual temperature value for this space. And carrying out difference processing on the set temperature value and the first temperature value of the space where the heating tail end is positioned, so as to obtain a temperature difference value. And further, the difference processing is carried out on the set temperature value and the first temperature value of the space where each heating terminal is located, so that a plurality of first temperature difference values can be obtained.
S1022, correcting the set water supply temperature value of the waterway system according to the maximum temperature difference value in the first temperature differences, and determining the corrected set water supply temperature value of the waterway system.
It can be understood that the larger the temperature difference between the set temperature value of the space where the heating terminal is located and the first temperature value of the space where the heating terminal is located, the worse the temperature of the space where the heating terminal is located is, which means that the actual temperature value of the space where the heating terminal is located cannot meet the requirement of the user under the current set water supply temperature value of the waterway system.
In order to make the actual temperature value of the space where each heating end is located meet the requirement of each user as much as possible, the current set water supply temperature value of the waterway system needs to be corrected. Specifically, the set water supply temperature value of the water channel system may be corrected by using the maximum temperature difference value of the plurality of first temperature differences as a reference, so as to obtain the corrected set water supply temperature value of the water channel system.
For example, the relationship between the maximum temperature difference value among the plurality of first temperature difference values and the corrected set water supply temperature value of the waterway system may be as shown in the following formula (1):
max t*c+T 0＝T 1 formula (1)
Wherein max t is the maximum temperature difference value among the first temperature difference values corresponding to the rooms with the room temperature control in the running state, c is a constant, T 0 is the set water supply temperature value of the waterway system, and T 1 is the corrected set water supply temperature value of the waterway system.
In some embodiments, the set water supply temperature value of the water path system may be further corrected according to a difference average value of the plurality of first temperature differences, so as to obtain a corrected set water supply temperature value of the water path system.
For example, the relationship between the average value of the difference values of the first temperature differences and the corrected set water supply temperature value of the waterway system may be as shown in the following formula (2):
sigma (X m-T m)/m*c+T 0＝T 1 formula (2)
Wherein Σ represents summation processing, m is the number of rooms in which room temperature control is in an operation state in a space in which a plurality of heating terminals are located, X m is a set temperature value of a space in which any one of the m heating terminals is located in the operation state of the room temperature control, T m is a first temperature value of a space in which any one of the m heating terminals is located in the operation state of the room temperature control, c is a constant, T 0 is a set water supply temperature value of the waterway system, and T 1 is a set water supply temperature value corrected by the waterway system.
S103, determining the corrected load rate of the heat pump unit according to the corrected set water supply temperature values of the water path systems.
The processing of S102 is performed on each of the plurality of waterways, and the corrected set water supply temperature value for each waterway can be obtained.
It can be understood that the achievement of the set water supply temperature value corrected by each water path system is related to the load factor of the heat pump unit, so that after the set water supply temperature value corrected by each water path system is obtained, the current load factor of the heat pump unit can be corrected according to the set water supply temperature value corrected by each water path system, so as to obtain the corrected load factor of the heat pump unit, and the achievement of the set water supply temperature value corrected by each water path system is realized.
For a specific implementation of determining the corrected load factor of the heat pump unit according to the corrected set water supply temperature values of the plurality of waterway systems, reference may be made to the following descriptions of step S301 to step S302 in fig. 8, which will not be repeated here.
S104, controlling the heat pump unit to work at the corrected load rate.
In some embodiments, after determining the corrected load rate of the heat pump unit, the controller may send a first control instruction to the heat pump unit, the first control instruction including the corrected load rate, the first control instruction being for instructing the heat pump unit to operate at the corrected load rate.
Based on the embodiment shown in fig. 5, the disclosed embodiment provides a control method of a heating system, which aims at the problem that the heat pump unit, the waterway system and the room temperature control cannot be mutually cooperated to cause the waste of electric power resources in the current heating system based on the heat pump unit.
It will be appreciated that the first temperature value of the space where the heating end is located is the actual temperature value of the space where the heating end is located, and the set temperature value of the space where the heating end is located is the temperature value to be reached by the room where the room temperature control of the space where the heating end is located is set. Because the set temperature values set by different room temperature controls may be different, if the heat pump unit keeps heating water in the water tank at the rated load rate, the water channel system can supply water at the set water supply temperature value, so that excessive heating of water can be caused, and waste of electric power resources is caused, so that the set water supply temperature value of the corresponding water channel system needs to be corrected according to the actual temperature value and the set temperature value of the space where each heating end is located, and the water supply temperature value of the water channel system is related to the load rate of the heat pump unit, the current load rate of the heat pump unit can be corrected according to the corrected set water supply temperature value of the water channel system, and further the corrected load rate of the heat pump unit is determined. Therefore, by combining the set temperature value of the room temperature control and the actual temperature value of the room, the load rate of the heat pump unit is corrected in real time, namely, the water supply temperature value of each waterway system is corrected in real time, so that the water supply temperature value of each waterway system can be adjusted according to the adjustment of the set temperature values of the corresponding spaces where the plurality of heating terminals are located, and the water supply temperature value of the waterway system can be attached to the demands of users. Because the heat pump unit can not work with rated load rate, water can not be excessively heated, the utilization rate of electric power resources is improved while the mutual coordination of the heat pump unit, the waterway system and the room temperature control is realized.
The foregoing embodiments focus on how to determine the corrected load rate of the heat pump unit in the control method of the heating system provided in some embodiments of the present disclosure. In some embodiments, after determining a corrected set water supply temperature value for a waterway system, as shown in FIG. 7, the control method further includes the steps of:
S201, after the corrected set temperature value of the waterway system is determined, the current water supply temperature value of the waterway system is obtained.
As is apparent from the above description of the water mixing valve in fig. 1, the water mixing valve is used to mix hot water supplied from one waterway system to a plurality of heating terminals and cold water circulated from the plurality of heating terminals to a water tank, that is, to adjust a temperature value of water entering one heating terminal. After the set water supply temperature value of one waterway system is corrected, the opening of the water mixing valve arranged on the waterway system is required to be adjusted so as to achieve the corrected set water supply temperature value of the waterway system.
Before the opening of the water mixing valve is adjusted, the opening adjustment amount of the water mixing valve needs to be determined, so that after the corrected set temperature value of the water path system is determined, the current water supply temperature value of the water path system is obtained, and the opening adjustment amount of the water mixing valve is determined according to the corrected set temperature value of the water path system and the current water supply temperature value of the water path system.
S202, adjusting the opening of the water mixing valve corresponding to the waterway system according to the corrected set water supply temperature value of the waterway system and the current water supply temperature value of the waterway system.
In some embodiments, according to the corrected set water supply temperature value of the water path system and the current water supply temperature value of the water path system, the opening of the water mixing valve corresponding to the water path system is adjusted, which may be specifically implemented as: and adjusting the opening of the water mixing valve according to the temperature difference between the corrected set water supply temperature value of the water path system and the current water supply temperature value of the water path system.
In some embodiments, a memory of the heating system stores a preset correspondence between a plurality of openings of the water mixing valve and a plurality of corresponding temperature differences in advance. After the temperature difference between the corrected set water supply temperature value of the waterway system and the current water supply temperature value of the waterway system is determined, the opening adjustment amount of the water mixing valve can be determined according to the temperature difference and the preset corresponding relation, and then the water mixing valve is controlled to adjust the opening of the water mixing valve according to the opening adjustment amount.
Illustratively, adjusting the opening of the mixing valve may include one or more of:
In case 1, the temperature difference between the corrected set water supply temperature value of the water path system and the current water supply temperature value of the water path system is a positive number.
It will be appreciated that if the temperature difference is a positive number, the current water supply temperature value representing the water path system is smaller than the corrected set water supply temperature value, and the water inflow amount of the hot water entering the heating terminal needs to be increased in order to make the current water supply temperature of the water path system reach the corrected set water supply temperature value. If the opening of the water mixing valve is increased to increase the inflow of hot water entering the heating tail end, the opening adjustment amount of the water mixing valve can be determined according to the preset corresponding relation between the temperature difference value and the opening of the water mixing valve, and then the water mixing valve is controlled to be increased by the corresponding opening adjustment amount, so that the corrected set water supply temperature value of the waterway system is achieved.
In case 2, the temperature difference between the corrected set water supply temperature value of the water path system and the current water supply temperature value of the water path system is negative.
It will be appreciated that if the temperature difference is negative, it means that the current water supply temperature value of the water path system is greater than the corrected set water supply temperature value, and that the amount of inflow of hot water into the heating terminal needs to be reduced in order for the current water supply temperature of the water path system to reach the corrected set water supply temperature value. If the opening of the water mixing valve is reduced, the water inflow of hot water entering the heating tail end can be reduced, the opening adjustment amount of the water mixing valve can be determined according to the preset corresponding relation between the temperature difference value and the opening of the water mixing valve, and then the water mixing valve is controlled to reduce the corresponding opening adjustment amount, so that the corrected set water supply temperature value of the waterway system is achieved.
In some embodiments, the above-mentioned process may be performed on the mixing valve of each of the plurality of waterways, and the achievement of the corrected set water supply temperature value for each waterway is completed.
Wherein, the opening degree of controlling the water mixing valve to adjust the water mixing valve can be specifically realized as follows: the controller sends a second control instruction to the water mixing valve, wherein the second control instruction comprises an opening adjustment amount, and the second control instruction is used for instructing the water mixing valve to adjust the opening of the water mixing valve according to the opening adjustment amount.
In some embodiments, as shown in fig. 8, S103 may be implemented as the following steps:
s301, obtaining a water outlet temperature value of the water tank.
S302, determining the corrected load rate of the heat pump unit according to the set water supply temperature value corrected by the water path systems and the water outlet temperature value of the water tank.
The water outlet temperature value of the water tank is the temperature value reached by the water in the water tank when the heat pump unit heats the water in the water tank under the current load rate. And the corrected set water supply temperature value of each waterway system is the water supply temperature value which is to be reached by each waterway system. The water supply temperature value of each waterway system is related to the load rate of the heat pump unit, so that the corrected load rate of the heat pump unit can be determined according to the set water supply temperature value corrected by the waterway systems and the water outlet temperature value of the water tank.
In some embodiments, according to the set water supply temperature value and the water outlet temperature value of the water tank after the correction of the water path systems, the determining the corrected load rate of the heat pump unit may be specifically implemented as: and determining the corrected load rate of the heat pump unit according to a second temperature difference value between the maximum corrected set water supply temperature value in the corrected set water supply temperature values of the water path systems and the water outlet temperature value of the water tank.
It can be understood that, if the corrected set water supply temperature value of one water path system is larger, the requirement of the user on the water supply temperature value of the space where the plurality of heating terminals corresponding to the water path system are located is higher. In order to enable the water supply temperature value of each waterway system under the load rate of the heat pump unit to meet the requirement of each user on the water supply temperature value as far as possible, the corrected load rate of the heat pump unit can be determined by a second temperature difference value between the largest corrected set temperature value in the corrected set water supply temperature values of the waterway systems and the water outlet temperature value of the water tank.
For example, the relationship between the maximum corrected set temperature value of the corrected set water supply temperature values of the plurality of waterways in the on state, the outlet water temperature value of the water tank, and the corrected load factor of the heat pump unit may be as shown in the following formula (3):
P' = (T x-T 2) d formula (3)
Wherein P' is the corrected load rate of the heat pump unit, T x is the maximum corrected set temperature value in the corrected set water supply temperature values of the water paths in the starting state, T 2 is the outlet water temperature value of the water tank, and d is a constant.
In some embodiments, as shown in fig. 9, a control method of a heating system provided in some embodiments of the present disclosure may further include the following steps:
s401, when the temperature controller of the space where any heating end is located is in a starting state, controlling the waterway system corresponding to any heating end to be in the starting state. The water way system in the starting state is water pump circulation, and the water supply temperature value is set to participate in operation.
S402, when any waterway system enters a shutdown state, controlling temperature controllers of the spaces where a plurality of heating terminals corresponding to any waterway system are located to enter the shutdown state. The water way system in the shutdown state stops circulating for the water pump, and the set water supply temperature value is removed from the operation.
It can be understood that if the temperature controller of the space where the heating terminal is located is in the on state, it means that a user exists in the space where the temperature controller is located or the user of the space where the temperature controller is located needs to use the heating terminal to heat, or the user of the space where the temperature controller is located has a requirement on the temperature value of the room, in order that the temperature value of the room can meet the requirement of the user, the controller needs to keep the water channel system corresponding to the temperature controller in the on state, so as to ensure that the water heated by the heat pump unit can continuously circulate with the heating terminal of the room through the water channel system.
When any one of the waterway systems enters a shutdown state, water heated by the heat pump unit cannot enter each heating end corresponding to the waterway system through the waterway system, namely, a user cannot adjust the temperature of one room through the temperature controller, so that the temperature controllers of the spaces where a plurality of heating ends corresponding to the waterway system are located can be controlled to enter the shutdown state in order to reduce the waste of electric power resources, and the utilization rate of the electric power resources is improved while the mutual coordination of the heat pump unit, the waterway system and the room temperature control is realized.
In some embodiments, when any waterway system is in a power-on state, as shown in fig. 10, a control method of a heating system provided in some embodiments of the present disclosure may further include the following steps:
S501, when any waterway system is detected to start up for working, the heat pump unit is controlled to start up for working.
It will be appreciated that the waterway system is associated with room temperature control, and when a user in a room needs to use the heating terminal to perform heating, a start command may be issued to the thermostat in the room to enable the heating terminal to start heating. When the room temperature control of the room is started to work, the water path system corresponding to the room is required to start supplying hot water to the heating terminal, and the hot water supplied by any water path system to the heating terminal is required to be heated by the heat pump unit. Therefore, when any waterway system is started to work, the controller controls the heat pump unit to start to work, so that the mutual coordination of the heat pump unit, the room temperature control and the waterway system is realized.
S502, when detecting that the waterway systems are all in the shutdown state, controlling the heat pump unit to enter the shutdown state.
It can be appreciated that when the waterway system is in a shut-down state, even if the heat pump unit produces hot water, the hot water cannot reach each heating end. Therefore, in order to reduce the waste of electric power resources, when the waterway systems are all in the shutdown state, the controller controls the heat pump unit to enter the shutdown state.
It should be noted that, step S501 may be performed first, then step S502 may be performed first, then step S501 may be performed, and step S501 and step S502 may be performed simultaneously, which is not limited in the embodiment of the present disclosure.
Embodiments of the present disclosure also provide a hardware architecture diagram of a controller, as shown in fig. 11, the controller 3000 includes a processor 3001, and in some embodiments, a memory 3002 and a communication interface 3003 connected to the processor 3001. The processor 3001, the memory 3002, and the communication interface 3003 are connected by a bus 3004.
The processor 3001 may be a central processing unit (central processing unit, CPU), a general purpose processor network processor (network processor, NP), a digital signal processor (DIGITAL SIGNAL processing, DSP), a microprocessor, a microcontroller, a programmable logic device (programmable logic device, PLD), or any combination thereof. The processor 3001 may also be any other apparatus having processing functionality, such as a circuit, a device, or a software module. The processor 3001 may also include a plurality of CPUs, and the processor 3001 may be a single-core (single-CPU) processor or a multi-core (multi-CPU) processor. A processor herein may refer to one or more devices, circuits, or processing cores for processing data (e.g., computer program instructions).
The memory 3002 may be a read-only memory (ROM) or other type of static storage device that may store static information and instructions, a random access memory (random access memory, RAM) or other type of dynamic storage device that may store information and instructions, or an electrically erasable programmable read-only memory (ELECTRICALLY ERASABLE PROGRAMMABLE READ-only memory, EEPROM), a compact disc read-only memory (compact disc read-only memory) or other optical disk storage, optical disk storage (including compact discs, laser discs, optical discs, digital versatile discs, blu-ray discs, etc.), magnetic disk storage media or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer, to which embodiments of the present disclosure are not limited. The memory 3002 may be separate or integrated with the processor 3001. Wherein the memory 3002 may contain computer program code. The processor 3001 is configured to execute computer program code stored in the memory 3002 to implement a control method for a heating system provided by some embodiments of the present disclosure.
The communication interface 3003 may be used to communicate with other devices or communication networks (e.g., ethernet, radio access network (radio access network, RAN), wireless local area network (wireless local area networks, WLAN), etc.). The communication interface 3003 may be a module, a circuit, a transceiver, or any device capable of enabling communications.
Bus 3004 may be a peripheral component interconnect standard (PERIPHERAL COMPONENT INTERCONNECT, PCI) bus or an extended industry standard architecture (extended industry standard architecture, EISA) bus, or the like. The bus 3004 may be classified into an address bus, a data bus, a control bus, and the like. For ease of illustration, only one thick line is shown in FIG. 11, but not only one bus or one type of bus.
The embodiments of the present disclosure also provide a computer-readable storage medium including computer-executable instructions that, when executed on a computer, cause the computer to perform a control method of a heating system as provided in the above embodiments.
The disclosed embodiments also provide a computer program product directly loadable into a memory and including software code, which, when loaded and executed via a computer, enables to implement a control method of a heating system provided by the above embodiments.
The foregoing is merely a specific embodiment of the disclosure, but the protection scope of the disclosure is not limited thereto, and any person skilled in the art who is skilled in the art will recognize that changes or substitutions are within the technical scope of the disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims (18)

  1. A heating system, comprising:
    A water tank;
    A heat pump unit configured to heat or cool water in the water tank;
    a plurality of waterway systems configured to supply water in the water tank to a plurality of heating terminals;
    A plurality of first temperature sensors configured to detect temperature values of spaces in which the plurality of heating terminals are located;
    A controller configured to:
    Acquiring a first temperature value of a space where a heating tail end corresponding to the waterway system is located; wherein, the water systems can be independently started and shut down and set the circulating water temperature; the space where the plurality of waterway systems are located can be independently turned on/off and the temperature of the space is set;
    Determining a corrected set water supply temperature value of the waterway system according to a first temperature value of the space where the heating tail end is positioned and a set temperature value of the space where the heating tail end is positioned;
    according to the corrected set water supply temperature values of the water path systems, determining the corrected load rate of the heat pump unit;
    And controlling the heat pump unit to work at the corrected load rate.
  2. The heating system according to claim 1, wherein the controller determines the corrected set water supply temperature value of the waterway system according to the first temperature value of the space where the heating terminal is located and the set temperature value of the space where the heating terminal is located, and specifically performs the steps of:
    Performing difference processing on a set temperature value of a space where the heating terminal is located and a first temperature value of the space where the heating terminal is located to obtain a plurality of first temperature difference values;
    And correcting the set water supply temperature value of the waterway system according to the maximum temperature difference value in the first temperature differences or the average value of the first temperature differences, and determining the corrected set water supply temperature value of the waterway system.
  3. The heating system according to claim 2, wherein the relation between the maximum temperature difference value of the plurality of first temperature difference values and the water supply temperature value corrected by the water path system can be expressed as follows:
    max t*c+T 0＝T 1
    Wherein max t is the maximum temperature difference value among the first temperature difference values corresponding to the rooms with the room temperature control in the running state, c is a constant, T 0 is the set water supply temperature value of the waterway system, and T 1 is the corrected set water supply temperature value of the waterway system.
  4. The heating system of claim 2, wherein a relationship between a mean value of the differences of the plurality of first temperature differences and the corrected set water supply temperature value of the waterway system is as follows:
    ∑(X m-T m)/m*c+T 0＝T 1
    Wherein Σ represents summation processing, m is the number of rooms in which room temperature control is in an operation state in the spaces in which the plurality of heating terminals are located, X m is a set temperature value of the space in which any one of the m heating terminals in which the room temperature control is in an operation state is located, T m is a first temperature value of the space in which any one of the m heating terminals in which the room temperature control is in an operation state is located, c is a constant, T 0 is a set water supply temperature value of the waterway system, and T 1 is a set water supply temperature value corrected by the waterway system.
  5. The heating system of claim 1, further comprising:
    a second temperature sensor disposed in the water tank and configured to detect a water outlet temperature value of the water tank; the controller is configured to determine a corrected load factor of the heat pump unit according to the corrected set water supply temperature values of the plurality of waterway systems, and specifically execute the following steps:
    Obtaining a water outlet temperature value of the water tank;
    And determining the corrected load rate of the heat pump unit according to the corrected set water supply temperature value of the water path systems and the water outlet temperature value of the water tank.
  6. The heating system according to claim 5, wherein the controller is configured to determine the corrected load factor of the heat pump unit according to the corrected set water supply temperature values of the plurality of waterway systems and the outlet water temperature value of the water tank, and specifically performs the following steps:
    And determining the corrected load rate of the heat pump unit according to a second temperature difference value between the maximum corrected set water supply temperature value in the corrected set water supply temperature values of the water path systems and the water outlet temperature value of the water tank.
  7. The heating system according to claim 6, wherein the relation between the maximum corrected set temperature value of the corrected set water supply temperature values of the plurality of waterway systems in the on state, the outlet water temperature value of the water tank, and the corrected load factor of the heat pump unit is as follows:
    P′＝(T x-T 2)*d
    Wherein, P' is the corrected load factor of the heat pump unit, T x is the maximum corrected set temperature value in the corrected set water supply temperature values of the water paths in the starting state, T 2 is the outlet water temperature value of the water tank, and d is a constant.
  8. The heating system of claim 1, further comprising:
    At least one water mixing valve, wherein, one water mixing valve is arranged on a water supply pipeline of a waterway system for supplying water to a plurality of corresponding heating terminals;
    at least one third temperature sensor configured to detect a water temperature value of water supplied from one waterway system to a corresponding plurality of heating terminals;
    The controller is further configured to:
    After the corrected set water supply temperature value of the waterway system is determined, the current water supply temperature value of the waterway system is obtained;
    And adjusting the opening of the water mixing valve corresponding to the waterway system according to the corrected set water supply temperature value of the waterway system and the current water supply temperature value of the waterway system.
  9. The heating system of claim 1, further comprising:
    A plurality of temperature controllers, wherein one temperature controller is arranged in a space where a heating tail end is positioned;
    The controller is further configured to:
    When a temperature controller of a space where any heating terminal is located is in a starting state, controlling a waterway system corresponding to any heating terminal to be in a starting state; the water way system in the starting state is water pump circulation, and a water supply temperature value is set to participate in operation;
    Or alternatively
    When any water way system enters a shutdown state, controlling the temperature controllers of the spaces where the plurality of heating terminals corresponding to any water way system are located to enter the shutdown state, wherein the shutdown state is that the water pump stops circulating, and the set water supply temperature value is removed from the operation.
  10. A control method of a heating system, applied to a heating system, the method comprising:
    For a plurality of waterway systems, acquiring a first temperature value of a space where a heating tail end corresponding to the waterway system is located; the water path systems can be independently started/shut down and set for circulating water temperature; the space where the plurality of waterway systems are located can be independently turned on/off and the temperature of the space is set;
    Determining a corrected set water supply temperature value of the waterway system according to the first temperature values of the spaces where the heating terminals are located and the set temperature values of the spaces where the heating terminals are located;
    According to the corrected set water supply temperature values of the water path systems, determining the corrected load rate of the heat pump unit;
    And controlling the heat pump unit to work at the corrected load rate.
  11. The control method of claim 10, wherein determining the corrected set water supply temperature value of the waterway system based on the first temperature value of the space where the heating terminal is located and the set temperature value of the space where the heating terminal is located, comprises:
    Performing difference processing on a set temperature value of a space where the heating terminal is located and a first temperature value of the space where the heating terminal is located to obtain a plurality of first temperature difference values;
    And correcting the set water supply temperature value of the waterway system according to the maximum temperature difference value in the first temperature differences or the average value of the first temperature differences, and determining the corrected set water supply temperature value of the waterway system.
  12. The control method according to claim 11, wherein the relation between the maximum temperature difference value of the plurality of first temperature difference values and the corrected set water supply temperature value of the waterway system can be expressed as follows:
    max t*c+T 0＝T 1
    Wherein max t is the maximum temperature difference value among the first temperature difference values corresponding to the rooms with the room temperature control in the running state, c is a constant, T 0 is the set water supply temperature value of the waterway system, and T 1 is the corrected set water supply temperature value of the waterway system.
  13. The control method according to claim 11, wherein a relationship between a difference average value of the plurality of first temperature differences and the water supply temperature value corrected by the waterway system is as follows:
    ∑(X m-T m)/m*c+T 0＝T 1
    Wherein Σ represents summation processing, m is the number of rooms in which room temperature control is in an operation state in the spaces in which the plurality of heating terminals are located, X m is a set temperature value of the space in which any one of the m heating terminals in which the room temperature control is in an operation state is located, T m is a first temperature value of the space in which any one of the m heating terminals in which the room temperature control is in an operation state is located, c is a constant, T 0 is a set water supply temperature value of the waterway system, and T 1 is a set water supply temperature value corrected by the waterway system.
  14. The control method according to claim 10, wherein the determining the corrected load factor of the heat pump unit according to the corrected set water supply temperature values of the plurality of waterway systems includes:
    Obtaining a water outlet temperature value of a water tank;
    And determining the corrected load rate of the heat pump unit according to the corrected set water supply temperature value of the water path systems and the water outlet temperature value of the water tank.
  15. The control method according to claim 14, wherein the determining the corrected load factor of the heat pump unit according to the corrected set water supply temperature values of the plurality of waterway systems and the outlet water temperature value of the water tank includes:
    And determining the corrected load rate of the heat pump unit according to a second temperature difference value between the maximum corrected set water supply temperature value in the corrected set water supply temperature values of the water path systems and the water outlet temperature value of the water tank.
  16. The control method according to claim 15, wherein the relation between the maximum corrected set temperature value of the corrected set water supply temperature values of the plurality of waterway systems in the on state, the outlet water temperature value of the water tank, and the corrected load factor of the heat pump unit is as follows:
    P′＝(T x-T 2)*d
    Wherein, P' is the corrected load factor of the heat pump unit, T x is the maximum corrected set temperature value in the corrected set water supply temperature values of the water paths in the starting state, T 2 is the outlet water temperature value of the water tank, and d is a constant.
  17. The control method of claim 10, the heating system further comprising:
    At least one water mixing valve, wherein, one water mixing valve is arranged on a water supply pipeline of a waterway system for supplying water to a plurality of corresponding heating terminals;
    at least one third temperature sensor configured to detect a water temperature value of water supplied from one waterway system to a corresponding plurality of heating terminals;
    The controller is further configured to:
    After the corrected set water supply temperature value of the waterway system is determined, the current water supply temperature value of the waterway system is obtained;
    And adjusting the opening of the water mixing valve corresponding to the waterway system according to the corrected set water supply temperature value of the waterway system and the current water supply temperature value of the waterway system.
  18. The control method of claim 10, the heating system further comprising:
    A plurality of temperature controllers, wherein one temperature controller is arranged in a space where a heating tail end is positioned;
    The controller is further configured to:
    When a temperature controller of a space where any heating terminal is located is in a starting state, controlling a waterway system corresponding to any heating terminal to be in a starting state; the water way system in the starting state is water pump circulation, and a water supply temperature value is set to participate in operation;
    Or alternatively
    When any water way system enters a shutdown state, controlling the temperature controllers of the spaces where the plurality of heating terminals corresponding to any water way system are located to enter the shutdown state, wherein the shutdown state is that the water pump stops circulating, and the set water supply temperature value is removed from the operation.
CN202280061694.2A 2022-05-31 2022-11-10 Heating system and control method thereof Pending CN117999443A (en)

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CN203771630U (en) * 2014-01-26 2014-08-13 杭州鸿雁管道系统科技有限公司 Air-conditioning floor heating system allowing centralized control in different rooms and time periods
EP3059652B1 (en) * 2015-02-20 2020-04-08 Glen Dimplex Deutschland GmbH Control device and installation for controlling the temperature of a space
CN106016760B (en) * 2016-07-01 2018-04-13 顺德职业技术学院 Self-adapting frequency conversion heat-pump hot-water Energy conservation measures in heating system
CN108954717A (en) * 2018-07-28 2018-12-07 广东美的暖通设备有限公司 Control method, air conditioner and the computer readable storage medium of air conditioner
CN108954716B (en) * 2018-07-28 2021-03-19 广东美的暖通设备有限公司 Control method of air conditioner, air conditioner and computer readable storage medium
CN210717821U (en) * 2019-07-11 2020-06-09 银川艾尼工业科技开发股份有限公司 Water temperature and room temperature independent control system for air source heat pump heating
CN110940063A (en) * 2019-11-15 2020-03-31 珠海格力电器股份有限公司 Target water temperature control method and device, storage medium and water multi-connected system
CN114857652A (en) * 2022-05-31 2022-08-05 青岛海信日立空调系统有限公司 Heating system and control method thereof

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