WO2025246783A1 - 换热系统的控制方法、控制装置、暖通设备和存储介质 - Google Patents

换热系统的控制方法、控制装置、暖通设备和存储介质

Info

Publication number
WO2025246783A1
WO2025246783A1 PCT/CN2025/092130 CN2025092130W WO2025246783A1 WO 2025246783 A1 WO2025246783 A1 WO 2025246783A1 CN 2025092130 W CN2025092130 W CN 2025092130W WO 2025246783 A1 WO2025246783 A1 WO 2025246783A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat exchange
exchange system
refrigerant
mode
heating mode
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
PCT/CN2025/092130
Other languages
English (en)
French (fr)
Inventor
李松蒲
王永
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.)
Midea Group Co Ltd
Chongqing Midea General Refrigeration Equipment Co Ltd
Original Assignee
Midea Group Co Ltd
Chongqing Midea General Refrigeration Equipment 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 Midea Group Co Ltd, Chongqing Midea General Refrigeration Equipment Co Ltd filed Critical Midea Group Co Ltd
Publication of WO2025246783A1 publication Critical patent/WO2025246783A1/zh
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/46—Improving electric energy efficiency or saving
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • F24F11/67—Switching between heating and cooling modes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/89—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30—Arrangement or mounting of heat-exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/40—Fluid line arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F25B43/006—Accumulators

Definitions

  • HVAC heating, ventilation and air conditioning
  • a heat exchange system is a main unit system that can achieve independent cooling, independent heating, or simultaneous heating and cooling functions.
  • the refrigerant requirements vary depending on the operating mode of the heat exchange system. Generally, the refrigerant requirement is greatest when the heat exchange system is in standalone cooling mode, moderate when it is in standalone heating mode, and least when it is in simultaneous cooling and heating mode. Therefore, the heat exchange system uses a liquid storage component as a refrigerant regulating container.
  • the refrigerant in the system will typically migrate to the air-cooled heat exchanger, which has the lowest temperature.
  • the heat exchange system is started up and enters simultaneous cooling and heating mode, the refrigerant is not easily extracted from the air-cooled heat exchanger, resulting in a decrease in the energy efficiency of the heat exchange system.
  • the purpose of this application is to at least solve the problem of reduced energy efficiency in heat exchange systems when the refrigerant is not easily extracted from the air-cooled heat exchanger after prolonged standby in low-temperature environments and the system is started up to enter simultaneous cooling and heating mode.
  • This purpose is achieved through the following technical solution:
  • the first aspect of this application discloses a control method for a heat exchange system, the heat exchange system including an air-cooled heat exchanger and a refrigerant circulation pipeline, the control method comprising:
  • the operating parameters of the heat exchange system are obtained based on the running time being greater than or equal to the first preset time.
  • the heat exchange system is controlled to switch from the simultaneous cooling and heating mode to another mode.
  • the heat exchange system is controlled to switch from the other mode to the simultaneous cooling and heating mode.
  • the air-cooled heat exchanger When the heat exchange system is in simultaneous cooling and heating mode, the air-cooled heat exchanger is disconnected from the refrigerant circulation pipeline and does not participate in the refrigerant circulation. When the heat exchange system is in the other mode, the air-cooled heat exchanger is connected to the refrigerant circulation pipeline and participates in the refrigerant circulation.
  • the control method for the heat exchange system in this application after the heat exchange system operates in cooling and heating mode for a duration greater than or equal to a first preset duration, when the operating parameters meet the first preset condition, controls the heat exchange system to switch from simultaneous cooling and heating mode to another mode, and controls the heat exchange system to operate in the other mode for a duration greater than a second preset duration.
  • the air-cooled heat exchanger is located in the refrigerant circulation pipeline, so the refrigerant in the air-cooled heat exchanger can be extracted, increasing the amount of refrigerant participating in the circulation in the heat exchange system and improving the energy efficiency of the heat exchange system.
  • obtaining the operating parameters of the heat exchange system includes obtaining the low-pressure of the heat exchange system and obtaining the intake superheat of the heat exchange system.
  • controlling the heat exchange system to switch from the simultaneous cooling and heating mode to another mode based on the operating parameters meeting a first preset condition includes:
  • the low pressure of the heat exchange system is less than a first preset pressure value and the duration is greater than a first preset value, and/or the suction superheat is greater than a first preset suction value and the duration is greater than a second preset value.
  • the heat exchange system is controlled to switch from the simultaneous cooling and heating mode to the other mode.
  • the heat exchange system further includes a liquid storage component and a refrigerant regulating pipeline, wherein the refrigerant regulating pipeline is connected in parallel with the refrigerant circulation pipeline, and the liquid storage component is provided on the refrigerant regulating pipeline;
  • Controlling the heat exchange system to switch from the simultaneous cooling and heating mode to the other mode includes controlling the heat exchange system to switch from the simultaneous cooling and heating mode to a separate cooling mode;
  • the liquid storage component is connected to the refrigerant circulation pipeline and is used to supply refrigerant to the refrigerant circulation pipeline.
  • the heat exchange system further includes a liquid storage component and a refrigerant regulating pipeline, wherein the refrigerant regulating pipeline is connected to the refrigerant circulation pipeline in parallel, and the liquid storage component is provided on the refrigerant regulating pipeline;
  • Controlling the heat exchange system to switch from the simultaneous cooling and heating mode to the other mode includes controlling the heat exchange system to switch from the simultaneous cooling and heating mode to a separate heating mode, wherein the liquid storage component and the refrigerant circulation pipeline are disconnected.
  • a first valve and a second valve are provided on the refrigerant regulating pipeline, with the first valve and the second valve respectively located at both ends of the liquid storage assembly.
  • the first preset duration is in the range of 3 to 10 minutes, and/or the second preset duration is in the range of 3 to 10 minutes.
  • a second aspect of this application provides a control device, the control device comprising:
  • the first acquisition module is used to acquire the running time of the heat exchange system in simultaneous cooling and heating mode
  • the second acquisition module is used to acquire the operating parameters of the heat exchange system based on the running time being greater than or equal to the first preset time.
  • the control module is configured to control the heat exchange system to switch from the simultaneous cooling and heating mode to another mode according to the first preset condition of the operating parameters, and to control the heat exchange system to switch from the other mode to the simultaneous cooling and heating mode according to the running time of the heat exchange system in the other mode being greater than the second preset time.
  • a third aspect of this application provides a heating, ventilation, and air conditioning (HVAC) device, the HVAC device including a memory, a processor, and an air conditioning system control program stored in the memory and running on the processor, the air conditioning system control program being configured to implement the control method of the heat exchange system mentioned in the above embodiments.
  • HVAC heating, ventilation, and air conditioning
  • the fourth aspect of this application proposes a storage medium storing an air conditioning system control program, which, when executed by a processor, implements the control method for the heat exchange system mentioned in the above embodiments.
  • FIG 1 schematically shows the structure of the heat exchange system in standalone refrigeration mode
  • FIG. 1 schematically shows the structure of the heat exchange system in standalone heating mode
  • Figure 3 schematically shows the structure of the heat exchange system in simultaneous cooling and heating mode
  • FIG. 4 schematically illustrates a flowchart of a control method for a heat exchange system according to an embodiment of this application
  • FIG. 5 schematically shows a detailed flowchart of the control method for the heat exchange system according to an embodiment of this application
  • FIG. 6 schematically shows another specific flowchart of the control method of the heat exchange system according to an embodiment of the present application
  • Figure 7 is a schematic diagram of the control device of the heat exchange system.
  • the attached figures are labeled as follows: 100. Heat exchange system; 10. Refrigerant circulation piping; 11. Compressor; 12. Four-way valve; 121. First port; 122. Second port; 123. Third port; 124. Fourth port; 13. Air-cooled heat exchanger; 14. First electronic expansion valve; 15. Cold water heat exchanger; 151. First inlet; 152. First outlet; 16. First control valve; 17. Second electronic expansion valve; 18. Second control valve; 19. Hot water heat exchanger; 191. Second inlet; 192. Second outlet; 101. First refrigerant pipe; 102. Second refrigerant pipe; 103. Third refrigerant pipe; 1031. First sub-pipe; 1032.
  • first, second, third, etc. may be used in this document to describe multiple elements, components, regions, layers, and/or segments, these elements, components, regions, layers, and/or segments should not be limited by these terms. These terms may be used only to distinguish one element, component, region, layer, or segment from another. Unless the context clearly indicates otherwise, terms such as “first,” “second,” and other numerical terms used herein do not imply order or sequence. Therefore, the first element, component, region, layer, or segment discussed below may be referred to as the second element, component, region, layer, or segment without departing from the teachings of the exemplary embodiments.
  • spatial relative terms may be used in the text to describe the relationship of one element or feature relative to another element or feature, as shown in the figure. These relative terms include, for example, “inside,” “outside,” “middle,” “outer,” “below,” “below,” “above,” “over,” etc. Such spatial relative terms are intended to include different orientations of the device in use or operation, other than those depicted in the figure. For example, if the device in the figure is flipped, an element described as “below other elements or features” or “below other elements or features” would subsequently be oriented “above other elements or features” or “above other elements or features.” Therefore, the example term “below” can include both upper and lower orientations.
  • FIG. 1 schematically illustrates the structure of the heat exchange system 100 in standalone cooling mode
  • Figure 2 schematically illustrates the structure of the heat exchange system 100 in standalone heating mode
  • Figure 3 schematically illustrates the structure of the heat exchange system 100 in simultaneous cooling and heating mode.
  • the heat exchange system 100 includes a refrigerant circulation pipeline 10 and a refrigerant regulating pipeline 20.
  • the refrigerant circulation pipeline 10 and the refrigerant regulating pipeline 20 are connected in parallel, and a liquid storage component 21 is provided on the refrigerant regulating pipeline 20.
  • the liquid storage component 21 can selectively connect with the refrigerant circulation pipeline 10 to regulate the amount of refrigerant in the refrigerant circulation pipeline 10.
  • the heat exchange system 100 is an air conditioning unit system capable of independent cooling, independent heating, and simultaneous heating and cooling functions. It has three operating modes: independent heating mode, independent cooling mode, and simultaneous heating and cooling mode.
  • the refrigerant requirement varies depending on the operating mode. Specifically, in independent cooling mode, the heat exchange system 100 requires the most refrigerant, requiring all refrigerant to circulate in the refrigerant circulation pipe 10. In independent heating mode, the refrigerant requirement in the refrigerant circulation pipe 10 is moderate, requiring dynamic adjustment of the refrigerant quantity. In simultaneous heating and cooling mode, the heat exchange system 100 requires the least refrigerant, requiring a reduction in the refrigerant quantity in the refrigerant circulation pipe 10 to achieve precise refrigerant quantity control.
  • a refrigerant regulating pipeline 20 is set in parallel with the refrigerant circulation pipeline 10.
  • the refrigerant regulating pipeline 20 is equipped with a liquid storage component 21, which is selectively connected to the refrigerant circulation pipeline 10 to regulate the amount of refrigerant in the refrigerant circulation pipeline 10.
  • the liquid storage component 21 can absorb the refrigerant in the refrigerant circulation pipeline 10 or release the refrigerant stored in the liquid storage component 21 into the refrigerant circulation pipeline 10, thereby achieving fine regulation of the amount of refrigerant in the refrigerant circulation pipeline 10.
  • the liquid storage component 21 mentioned here can be a liquid storage tank or other container used to store refrigerant, enabling the storage of refrigerant. Furthermore, the liquid storage component 21 is selectively connected to the refrigerant circulation pipeline 10 to regulate the amount of refrigerant in the pipeline 10. This means that the liquid storage component 21 and the refrigerant circulation pipeline 10 can be in a disconnected or connected state, depending on the operating mode of the heat exchange system 100, thereby achieving the regulation of the amount of refrigerant in the refrigerant circulation pipeline 10.
  • the refrigerant regulating pipeline 20 includes a first pipeline 22, which can be a circular or rectangular pipe, and the first pipeline 22 has two ends, which are respectively connected to one end of the refrigerant circulation pipeline 10 and the liquid storage component 21.
  • a first valve 24 is provided on the first pipeline 22.
  • the first valve 24 here is used to control the connection or disconnection of the first pipeline 22.
  • the first pipeline 22 is in the connected state, which enables one end of the liquid storage component 21 to be connected to the refrigerant circulation pipeline 10.
  • the first valve 24 here can be a solenoid valve or other valves that can achieve automatic control.
  • the refrigerant circulation pipeline 10 of the heat exchange system 100 is equipped with a compressor 11, a four-way valve 12, and a heat exchange assembly that are interconnected. These components can be connected sequentially through pipelines, wherein the first pipeline 22 is connected to the heat exchange assembly.
  • the number of heat exchange components here can be one, two, or more, and the appropriate heat exchange components can be selected to work as needed.
  • the heat exchange components include an air-cooled heat exchanger 13, a cold water heat exchanger 15, and a hot water heat exchanger 19.
  • the first pipeline 22 is connected to the cold water heat exchanger 15.
  • the heat exchange system 100 selects different heat exchange components to enter the circulation process according to different working modes.
  • the heat exchange system 100 includes multiple pipelines.
  • the compressor 11 and the four-way valve 12 are connected via a first refrigerant pipe 101.
  • the four-way valve 12 is connected to an air-cooled heat exchanger 13 via a second refrigerant pipe 102.
  • the air-cooled heat exchanger 13 is connected to a chilled water heat exchanger 15 via a first sub-pipe 1031 of a third refrigerant pipe 103.
  • the air-cooled heat exchanger 13 is connected to a hot water heat exchanger 19 via a second sub-pipe 1032 of the third refrigerant pipe 103.
  • a first control valve 16 and a first electronic expansion valve 14 are provided on the first sub-pipe 1031, and a second electronic expansion valve 17 is provided on the second sub-pipe 1032.
  • the first sub-pipe 1031 and the second sub-pipe 1032 are connected via a fourth refrigerant pipe 104, on which a second control valve 18 is provided.
  • the hot water heat exchanger 19 is connected to the four-way valve 12 via the sixth refrigerant pipe 106
  • the cold water heat exchanger 15 is connected to the compressor 11 via the fourth sub-pipe 1052 of the fifth refrigerant pipe 105
  • the cold water heat exchanger 15 is connected to the four-way valve 12 via the third sub-pipe 1051 of the fifth refrigerant pipe 105.
  • a four-way valve 12, an air-cooled heat exchanger 13, a first electronic expansion valve 14, and a chilled water heat exchanger 15 are sequentially arranged along the exhaust direction of the compressor 11.
  • These components can form a cooling flow path; the first pipeline 22 can be connected to the suction side of the compressor 11, wherein the first valve 24 is in the open state.
  • the air-cooled heat exchanger 13 here can be a finned heat exchanger, which has a better heat exchange effect.
  • the four-way valve 12 here has four ports, namely the first port 121, the second port 122, the third port 123, and the fourth port 124.
  • the outlet of the compressor 11 is connected to the first port 121 of the four-way valve 12, the second port 122 of the four-way valve 12 is connected to the inlet of the chilled water heat exchanger 15, the outlet of the chilled water heat exchanger 15 is connected to the inlet of the first electronic expansion valve 14, the outlet of the first electronic expansion valve 14 is connected to the inlet of the chilled water heat exchanger 15, and the outlet of the chilled water heat exchanger 15 is connected to the air inlet of the compressor 11, thereby realizing the circulation of refrigerant.
  • the outlet of the compressor 11 is connected to the first port 121 of the four-way valve 12 via a first refrigerant pipe 101; the second port 122 of the four-way valve 12 is connected to the inlet of the chilled water heat exchanger 15 via a second refrigerant pipe 102; the outlet of the chilled water heat exchanger 15 is connected to the inlet of the first electronic expansion valve 14 via a third refrigerant pipe 103 and a first sub-pipe 1031; the outlet of the first electronic expansion valve 14 is connected to the inlet of the chilled water heat exchanger 15 via a first sub-pipe 1031; and the outlet of the chilled water heat exchanger 15 is connected to the inlet of the compressor 11 via a fifth refrigerant pipe 105 and a fourth sub-pipe 1052.
  • the cold water heat exchanger 15 is provided with a first inlet 151 and a first outlet 152, wherein the first inlet 151 is connected to a water source and the first outlet 152 is connected to the user's output end to provide cold water to the user.
  • a first control valve 16 is provided in the refrigeration flow path.
  • the two ends of the first control valve 16 are connected to the air-cooled heat exchanger 13 and the first electronic expansion valve 14, respectively. That is, when the refrigerant is circulating, after flowing out of the air-cooled heat exchanger 13, it passes through the first control valve 16 and the first electronic expansion valve 14 in sequence.
  • the first control valve 16 can adopt a one-way valve structure to realize the one-way flow of the refrigerant.
  • the outlet of the compressor 11 is connected to the first port 121 of the four-way valve 12
  • the second port 122 of the four-way valve 12 is connected to the inlet of the air-cooled heat exchanger 13
  • the outlet of the air-cooled heat exchanger 13 is connected to the inlet of the first control valve 16
  • the outlet of the first control valve 16 is connected to the inlet of the first electronic expansion valve 14
  • the outlet of the first electronic expansion valve 14 is connected to the inlet of the chilled water heat exchanger 15
  • the outlet of the chilled water heat exchanger 15 is connected to the inlet of the compressor 11, thus achieving refrigerant circulation.
  • the first valve 24 of the refrigerant regulating pipeline 20 When the refrigerant circulation pipeline 10 is in standby cooling mode, the first valve 24 of the refrigerant regulating pipeline 20 is open and the first pipeline 22 is connected, enabling one end of the liquid storage component 21 to be connected to the refrigerant circulation pipeline 10. All the refrigerant in the liquid storage component 21 can be delivered to the compressor 11 after passing through the first pipeline 22, the hot water heat exchanger 19, the fourth port 124 of the four-way valve 12, and the third port 123 of the four-way valve 12 in sequence, so that all the refrigerant participates in the circulation process of the refrigerant circulation pipeline 10. In standby cooling mode, there is no refrigerant inside the liquid storage component 21, and all the refrigerant participates in the refrigerant circulation pipeline 10.
  • the refrigerant regulating pipeline 20 also includes a second pipeline 23, the two ends of which are connected to the other end of the liquid storage component 21 and the refrigerant circulation pipeline 10, respectively.
  • a second valve 25 is provided on the second pipeline 23. At this time, the second valve 25 is in the closed state and can disconnect the second pipeline 23.
  • the refrigerant circulation pipeline 10 when the refrigerant circulation pipeline 10 is in standby heating mode, the refrigerant circulation pipeline 10 includes a compressor 11, and a four-way valve 12, a hot water heat exchanger 19, a second electronic expansion valve 17, and an air-cooled heat exchanger 13 are sequentially arranged along the exhaust direction of the compressor 11.
  • the compressor 11, the four-way valve 12, the hot water heat exchanger 19, the second electronic expansion valve 17, and the air-cooled heat exchanger 13 form a heating flow path;
  • the first pipeline 22 is connected to the inlet end of the second electronic expansion valve 17, and a first valve 24 is provided on the first pipeline 22.
  • the first pipeline 22 is selectively connected to adjust the amount of refrigerant in the refrigerant circulation pipeline 10.
  • the hot water heat exchanger 19 is provided with a second inlet 191 and a second outlet 192, wherein the second inlet 191 is connected to a water source and the second outlet 192 is connected to the user's output end to provide hot water to the user.
  • the first pipeline 22 is selectively connected to adjust the amount of refrigerant in the refrigerant circulation pipeline 10.
  • the first valve 24 can determine whether to open instantaneously based on the high pressure condition of the heat exchange system 100, and dynamically adjust the amount of refrigerant required for the refrigerant circulation pipeline. For example, for R410a refrigerant, when the high pressure in the heat exchange system 100 is greater than the first preset value, the first valve 24 is opened for a certain period of time and then closed.
  • the first valve 24 is opened for 3 or 5 seconds, thereby adjusting the amount of refrigerant circulating in the heat exchange system 100, reducing the high pressure in the heat exchange system 100, and thus improving the unit energy efficiency of the heat exchange system 100.
  • the first preset value and the opening time of the first valve 24 are different for different types of refrigerants, and can be adjusted as needed, which will not be elaborated here.
  • the outlet of the compressor 11 is connected to the first port 121 of the four-way valve 12, the fourth port 124 of the four-way valve 12 is connected to the inlet of the hot water heat exchanger 19, the outlet of the hot water heat exchanger 19 is connected to the inlet of the second electronic expansion valve 17, the outlet of the second electronic expansion valve 17 is connected to the inlet of the air-cooled heat exchanger 13, the outlet of the air-cooled heat exchanger 13 is connected to the second port 122 of the four-way valve 12, and the third port 123 of the four-way valve 12 is connected to the inlet of the compressor 11, thereby enabling the refrigerant to circulate.
  • the first valve 24 of the refrigerant regulating pipeline 20 When the refrigerant circulation pipeline 10 is in standby heating mode, the first valve 24 of the refrigerant regulating pipeline 20 is in a selectively connected state.
  • the first pipeline 22 When the first pipeline 22 is in a connected state, one end of the liquid storage component 21 can be connected to the refrigerant circulation pipeline 10, and excess refrigerant can be transported into the liquid storage component 21 to dynamically adjust the amount of refrigerant in the refrigerant circulation pipeline 10 and realize the storage of excess refrigerant.
  • the refrigerant circulation pipeline 10 when the refrigerant circulation pipeline 10 is in simultaneous cooling and heating mode, the refrigerant circulation pipeline 10 includes a compressor 11, and a four-way valve 12, a hot water heat exchanger 19, a first electronic expansion valve 14, and a cold water heat exchanger 15 are connected sequentially along the discharge direction of the compressor 11.
  • the compressor 11, the four-way valve 12, the hot water heat exchanger 19, the first electronic expansion valve 14, and the cold water heat exchanger 15 form a simultaneous cooling and heating flow path;
  • the first pipeline 22 is connected to the outlet end of the cold water heat exchanger 15, and the first valve 24 is in the open state.
  • a second control valve 18 is also provided in the cooling and heating flow path, with its two ends connected to the first electronic expansion valve 14 and the hot water heat exchanger 19, respectively.
  • the second control valve 18 can be a one-way valve structure to achieve unidirectional flow of the refrigerant.
  • the outlet of the compressor 11 is connected to the first port 121 of the four-way valve 12
  • the fourth port 124 of the four-way valve 12 is connected to the inlet of the hot water heat exchanger 19
  • the outlet of the hot water heat exchanger 19 is connected to the inlet of the second control valve 18
  • the outlet of the second control valve 18 is connected to the inlet of the first electronic expansion valve 14
  • the outlet of the first electronic expansion valve 14 is connected to the inlet of the cold water heat exchanger 15
  • the outlet of the cold water heat exchanger 15 is connected to the inlet of the compressor 11, thereby realizing the circulation of refrigerant.
  • the first pipe 22 is connected to the outlet end of the cold water heat exchanger 15, and the first valve 24 is in the open state, which can store excess refrigerant inside the liquid storage component 21 until the liquid storage component 21 is completely filled.
  • the refrigerant regulating pipeline 20 also includes a second pipeline 23, one end of which is connected to the other end of the liquid storage component 21, and the other end of which is connected to the refrigerant circulation pipeline 10.
  • a second valve 25 is provided on the second pipeline 23, wherein the second valve 25 is in a closed state to disconnect the second pipeline 23.
  • first valve 24 or the second valve 25 can be a solenoid valve, or both the first valve 24 and the second valve 25 can be solenoid valves, which can realize automatic control of the pipeline.
  • first valve 24 and the second valve 25 can also be manually controlled valves or other structures.
  • first valve 24 and the second valve 25 are respectively located at both ends of the liquid storage component 21 to adjust the amount of refrigerant participating in the circulation in the heat exchange system 100.
  • This application proposes a control method for a heat exchange system 100, which includes an air-cooled heat exchanger 13 and a refrigerant circulation pipeline 10, as shown in Figure 4.
  • the control method includes:
  • the heat exchange system 100 Before S41, the heat exchange system 100 is in a standby state in a low-temperature environment.
  • the heat exchange system 100 is started in a simultaneous cooling and heating mode.
  • the first preset duration can be a specific value or a range value.
  • the first preset duration can be 3 to 10 minutes, such as five minutes or six minutes.
  • the air-cooled heat exchanger 13 When the heat exchange system 100 is in simultaneous cooling and heating mode, the air-cooled heat exchanger 13 is disconnected from the refrigerant circulation pipeline 10 and does not participate in the refrigerant circulation. When the heat exchange system 100 is in another mode, the air-cooled heat exchanger 13 is connected to the refrigerant circulation pipeline 10 and participates in the refrigerant circulation. This other mode includes a standalone cooling mode and a standalone heating mode. In both of these modes, the air-cooled heat exchanger 13 is connected to the refrigerant circulation pipeline 10 and participates in the refrigerant circulation.
  • the first preset condition can be set with different conditions according to the type of operating parameter, so that it can be controlled separately, which will be described in detail later.
  • the heat exchange system 100 can adjust the amount of refrigerant by switching modes, so that the refrigerant in the air-cooled heat exchanger 13 can participate in the circulation process of the heat exchange system 100.
  • the control method of the heat exchange system 100 in this application after the heat exchange system 100 operates in the cooling and heating mode for a duration greater than or equal to a first preset duration, when the operating parameters meet the first preset condition, controls the heat exchange system 100 to switch from the simultaneous cooling and heating mode to another mode, and controls the heat exchange system 100 to operate in the other mode for a duration greater than a second preset duration.
  • the air-cooled heat exchanger 13 is installed in the refrigerant circulation pipeline 10, so the refrigerant in the air-cooled heat exchanger 13 can be extracted, increasing the amount of refrigerant participating in the circulation in the heat exchange system 100 and improving the energy efficiency of the heat exchange system 100.
  • obtaining the operating parameters of the heat exchange system 100 includes obtaining the low-pressure value of the heat exchange system 100 and the suction superheat value of the heat exchange system 100. That is, the operating parameters here can be either the low-pressure value of the heat exchange system 100 or the suction superheat value of the heat exchange system 100.
  • the low-pressure value of the heat exchange system 100 can be the pressure value at the suction port of the compressor 11, which can be detected by setting a pressure sensor.
  • the suction superheat value here refers to the difference between the suction temperature at the suction port of the compressor 11 and the low-pressure saturation temperature corresponding to the low-pressure value.
  • the suction temperature at the suction port of the compressor 11 can be obtained by measuring with a temperature sensor.
  • the low-pressure saturation temperature refers to the saturation temperature corresponding to the pressure detected by the pressure sensor on the low-pressure side of the compressor 11. This can be obtained by using a steam gauge and looking up the value in a table, or by using calculation software to calculate the corresponding saturation temperature value by inputting the low-pressure value.
  • controlling the heat exchange system 100 to switch from a simultaneous cooling and heating mode to another mode based on the operating parameters meeting the first preset condition includes controlling the heat exchange system 100 to switch from a simultaneous cooling and heating mode to another mode based on the low pressure of the heat exchange system 100 being less than a first preset pressure value and the duration being greater than a first preset value, and/or controlling the heat exchange system 100 to switch from a simultaneous cooling and heating mode to another mode based on the suction superheat being greater than a first preset suction value and the duration being greater than a second preset value.
  • the low pressure and suction superheat of the heat exchange system 100 are both operating parameters that can be measured separately, and the mode of the heat exchange system 100 can be switched based on at least one of the two parameters.
  • the other mode here can be either heating mode or cooling mode, which will be described in detail later with reference to Figures 5 and 6.
  • the heat exchange system 100 further includes a liquid storage component 21 and a refrigerant regulating pipeline 20.
  • the refrigerant regulating pipeline 20 is connected to the refrigerant circulation pipeline 10 in parallel, and the liquid storage component 21 is provided on the refrigerant regulating pipeline 20.
  • Controlling the heat exchange system 100 to switch from a simultaneous cooling and heating mode to another mode includes controlling the heat exchange system 100 to switch from a simultaneous cooling and heating mode to a separate cooling mode.
  • the liquid storage component 21 is connected to the refrigerant circulation pipeline 10 and is used to supply refrigerant to the refrigerant circulation pipeline 10.
  • the first valve 24 is a normally closed solenoid valve. When the heat exchange system 100 is in the cooling mode, the first valve 24 is energized and opened, so that the liquid storage component 21 is connected to the suction port of the compressor 11, and the refrigerant in the liquid storage component 21 during standby is also drawn back into the heat exchange system 100 to participate in the refrigerant circulation, thereby providing more refrigerant to the heat exchange system 100.
  • the heat exchange system 100 further includes a liquid storage component 21 and a refrigerant regulating pipeline 20, wherein the refrigerant regulating pipeline 20 is connected in parallel with the refrigerant circulation pipeline 10, and the liquid storage component 21 is provided on the refrigerant regulating pipeline 20; controlling the heat exchange system 100 to switch from a simultaneous cooling and heating mode to another mode includes controlling the heat exchange system 100 to switch from a simultaneous cooling and heating mode to a separate heating mode, wherein the liquid storage component 21 and the refrigerant circulation pipeline 10 are selectively connected.
  • the selective connection between the liquid storage component 21 and the refrigerant circulation pipe 10 means that the two can be in a disconnected state or a connected state, and the connection state between the liquid storage component 21 and the refrigerant circulation pipe 10 can be selected as needed.
  • the first valve 24 can be closed, that is, the liquid storage assembly 21 and the refrigerant circulation pipe 10 are disconnected, reducing the probability of refrigerant entering the liquid storage assembly 21.
  • the liquid storage assembly 21 and the refrigerant circulation pipe 10 can also be connected, as long as the amount of refrigerant provided by the air-cooled heat exchanger 13 is greater than the amount of refrigerant entering the liquid storage assembly 21, which can also increase the amount of refrigerant in the refrigerant circulation pipe of the heat exchange system 100.
  • the control method for the heat exchange system 100 will be described in detail below with reference to Figure 5.
  • the control method includes:
  • the heat exchange system 100 operates in simultaneous cooling and heating mode
  • the first pressure preset value A here can be a range value or a specific value, such as 5 bar to 10 bar, or 6 bar or 7 bar.
  • the first intake preset value B here can be a range value or a specific value, such as 5 degrees Celsius to 15 degrees Celsius, or 10 degrees Celsius or 12 degrees Celsius.
  • the first preset value M here can be 1 minute to 5 minutes, such as 2 minutes or 3 minutes.
  • the second preset value P here can be 15 minutes to 25 minutes, such as 20 minutes or 22 minutes.
  • the second preset duration here can be determined according to the ambient temperature of the heat exchange system 100, such as 3 minutes to 8 minutes, or 5 minutes or 6 minutes.
  • control method can extract the refrigerant in the liquid storage component 21 and the refrigerant in the air-cooled heat exchanger 13 into the refrigerant circulation pipeline 10, thereby increasing the amount of refrigerant in the refrigerant circulation pipeline 10 and improving the energy efficiency of the heat exchange system 100.
  • the control method includes:
  • the heat exchange system 100 is operated in simultaneous cooling and heating mode
  • control method of this application can extract at least part of the refrigerant in the air-cooled heat exchanger 13 into the refrigerant circulation pipe 10, increase the amount of refrigerant in the refrigerant circulation pipe 10, and improve the energy efficiency of the heat exchange system 100.
  • the second aspect of this application discloses a control device, as shown in FIG7.
  • the control device includes a first acquisition module 30, a second acquisition module 40, and a control module 50.
  • the first acquisition module 30 is used to acquire the running time of the heat exchange system 100 in the simultaneous cooling and heating mode.
  • the second acquisition module 40 is used to acquire the operating parameters of the heat exchange system 100 based on the running time being greater than or equal to a first preset time.
  • the control module 50 is used to control the heat exchange system 100 to switch from the simultaneous cooling and heating mode to another mode based on the operating parameters meeting the first preset condition.
  • the control module 50 is also used to control the heat exchange system 100 to switch from the other mode to the simultaneous cooling and heating mode based on the running time of the heat exchange system 100 in the other mode being greater than a second preset time.
  • the second acquisition module 40 here has acquisition function, comparison function and control function
  • the control module 50 has control function and comparison function
  • control device can be found in the description of the control method, which enables the control device to implement the entire process of the control method. They will not be described in detail here.
  • a third aspect of this application provides a heating, ventilation, and air conditioning (HVAC) device, which includes a memory, a processor, and an air conditioning system control program stored in the memory and running on the processor.
  • HVAC heating, ventilation, and air conditioning
  • the air conditioning system control program is configured to implement the control method of the heat exchange system 100 mentioned in the above embodiments.
  • the HVAC equipment here can be a heat pump type or other types of HVAC equipment.
  • the fourth aspect of this application proposes a storage medium storing an air conditioning system control program, which, when executed by a processor, implements the control method of the heat exchange system 100 as described in the above embodiments.

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Abstract

本申请涉及暖通设备技术领域，尤其涉及一种换热系统的控制方法、控制装置、暖通设备和存储介质。换热系统的控制方法包括获取换热系统处于同时制冷制热模式的运行时长；根据运行时长大于或者等于第一预设时长，获取换热系统的运行参数；根据运行参数满足第一预设条件，控制换热系统从同时制冷制热模式切换至另一模式；根据换热系统处于另一模式的运行时长大于第二预设时长，控制换热系统从另一模式切换至同时制冷制热模式；其中，换热系统处于另一模式时，风冷换热器设于冷媒循环管路中。本申请中的换热系统的控制方法，可以将风冷换热器中的冷媒抽出，增加换热系统中参与循环的冷媒量，提高换热系统的能效。

Description

换热系统的控制方法、控制装置、暖通设备和存储介质
相关申请的交叉引用
本申请要求享有2024年05月28日提交至中国国家知识产权局的、申请号为202410668813.1、名称为“换热系统的控制方法、控制装置、暖通设备和存储介质”的中国专利申请的优先权，申请的全部内容通过引用并入本文中。
技术领域
本申请涉及暖通设备技术领域，尤其涉及一种换热系统、换热系统的控制方法、控制装置、暖通设备和存储介质。
背景技术
本部分提供的仅仅是与本公开相关的背景信息，其并不必然是现有技术。
换热系统是一种能够实现单独制冷、单独制热以及同时制热和制冷功能的主机系统。
当换热系统处于不同的工作模式时，对冷媒量的需求是不一致的，一般情况下，换热系统处于单独制冷模式下，需要的冷媒量最大，换热系统处于单独制热模式下，需要的冷媒量居中，换热系统处于同时制冷制热模式下，需要的冷媒量最少，因此，换热系统采用储液组件作为冷媒调节容器。
当换热系统在低温环境中长时间待机后，由于冷媒的迁移特性，换热系统中的冷媒通常会迁移到温度最低的风冷换热器内。在启动换热系统进入同时制冷制热模式时，冷媒不易从风冷换热器中抽出，导致换热系统的能效降低。
发明内容
本申请的目的是至少解决换热系统在低温环境中长时间待机后，在启动换热系统进入同时制冷制热模式时，冷媒不易从风冷换热器中抽出导致换热系统的能效降低的问题。该目的是通过以下技术方案实现的：
本申请的第一方面提出了一种换热系统的控制方法，所述换热系统包括风冷换热器和冷媒循环管路，所述控制方法包括：
获取所述换热系统处于同时制冷制热模式的运行时长；
根据所述运行时长大于或者等于第一预设时长，获取所述换热系统的运行参数；
根据所述运行参数满足第一预设条件，控制所述换热系统从所述同时制冷制热模式切换至另一模式；
根据所述换热系统处于所述另一模式的运行时长大于第二预设时长，控制所述换热系统从所述另一模式切换至所述同时制冷制热模式；
其中，所述换热系统处于同时制冷制热模式时，所述风冷换热器与所述冷媒循环管路断开设置且不参与冷媒的循环，所述换热系统处于所述另一模式时，所述风冷换热器与所述冷媒循环管路连通设置且参与冷媒的循环。
本申请中的换热系统的控制方法，在换热系统处于制冷制热模式的运行时长大于或者等于第一预设时长后，当运行参数满足第一预设条件时，控制换热系统从同时制冷制热模式切换至另一模式，并控制换热系统在另一模式的运行时长大于第二预设时长，其中，换热系统处于所述另一模式时，风冷换热器设于冷媒循环管路中，则可以将风冷换热器中的冷媒抽出，增加换热系统中参与循环的冷媒量，提高换热系统的能效。
在本申请的一些实施例中，获取所述换热系统的运行参数包括获取所述换热系统的低压压力和获取所述换热系统的吸气过热度。
在本申请的一些实施例中，所述根据所述运行参数满足第一预设条件，控制所述换热系统从所述同时制冷制热模式切换至另一模式包括：
根据所述换热系统的低压压力小于第一压力预设值，且持续时长大于第一预设值，和/或，根据所述吸气过热度大于第一吸气预设值，且持续时长大于第二预设值；
控制所述换热系统从所述同时制冷制热模式切换至所述另一模式。在本申请的一些实施例中，所述换热系统还包括储液组件和冷媒调节管路，所述冷媒调节管路与所述冷媒循环管路以并联的方式连通，所述冷媒调节管路上设置有所述储液组件；
控制所述换热系统从所述同时制冷制热模式切换至所述另一模式包括控制所述换热系统从所述同时制冷制热模式切换至单独制冷模式；
其中，所述换热系统处于所述单独制冷模式时，所述储液组件与所述冷媒循环管路连通并用于向所述冷媒循环管路提供冷媒。
在本申请的一些实施例中，所述换热系统还包括储液组件和冷媒调节管路，所述冷媒调节管路与所述冷媒循环管路以并联的方式连通，所述冷媒调节管路上设置有所述储液组件；
控制所述换热系统从所述同时制冷制热模式切换至所述另一模式包括控制所述换热系统从所述同时制冷制热模式切换至单独制热模式，其中，所述储液组件和所述冷媒循环管路断开设置。
在本申请的一些实施例中，所述冷媒调节管路上设置有第一阀门和第二阀门，所述第一阀门和所述第二阀门分别设于所述储液组件的两端。
在本申请的一些实施例中，所述第一预设时长在3分钟至10分钟的范围内，和/或，所述第二预设时长在3分钟至10分钟的范围内。
本申请的第二方面提出了一种控制装置，所述控制装置包括：
第一获取模块，用于获取换热系统处于同时制冷制热模式的运行时长；
第二获取模块，用于根据所述运行时长大于或者等于第一预设时长，获取所述换热系统的运行参数；
控制模块，用于根据所述运行参数满足第一预设条件，控制所述换热系统从所述同时制冷制热模式切换至另一模式，以及根据所述换热系统处于所述另一模式的运行时长大于第二预设时长，控制所述换热系统从所述另一模式切换至所述同时制冷制热模式。
本申请的第三方面提出了一种暖通设备，所述暖通设备包括存储器、处理器及存储在所述存储器上并在所述处理器上运行的空调系统控制程序，所述空调系统控制程序配置为实现如上面实施例中所提到的换热系统的控制方法。
本申请的第四方面提出了一种存储介质，所述存储介质上存储有空调系统控制程序，所述空调系统控制程序被处理器执行时实现如上面实施例中所提到的换热系统的控制方法。
附图说明
通过阅读下文优选实施方式的详细描述，各种其他的优点和益处对于本领域普通技术人员将变得清楚明了。附图仅用于示出优选实施方式的目的，而并不认为是对本申请的限制。而且在整个附图中，用相同的附图标记表示相同的部件。在附图中：
图1示意性地示出了换热系统处于单独制冷模式的结构示意图；
图2示意性地示出了换热系统处于单独制热模式的结构示意图；
图3示意性地示出了换热系统处于同时制冷制热模式的结构示意图；
图4示意性地示出了根据本申请实施方式的换热系统的控制方法的流程图；
图5示意性地示出了根据本申请实施方式的换热系统的控制方法的具体流程图；
图6示意性地示出了根据本申请实施方式的换热系统的控制方法的另一具体流程图；
图7为换热系统的控制装置的结构示意图。
附图标记如下：
100、换热系统；
10、冷媒循环管路；11、压缩机；12、四通阀；121、第一端口；122、第二端口；
123、第三端口；124、第四端口；13、风冷换热器；14、第一电子膨胀阀；15、冷水换热器；151、第一进口；152、第一出口；16、第一控制阀；17、第二电子膨胀阀；18、第二控制阀；19、热水换热器；191、第二进口；192、第二出口；
101、第一冷媒管；102、第二冷媒管；103、第三冷媒管；1031、第一子管；1032、
第二子管；104、第四冷媒管；105、第五冷媒管；1051、第三子管；1052、第四子管；106、第六冷媒管；
20、冷媒调节管路；21、储液组件；22、第一管路；23、第二管路；24、第一阀
门；25、第二阀门；
30、第一获取模块；40、第二获取模块；50、控制模块。
具体实施方式
下面将参照附图更详细地描述本公开的示例性实施方式。虽然附图中显示了本公开的示例性实施方式，然而应当理解，可以以各种形式实现本公开而不应被这里阐述的实施方式所限制。相反，提供这些实施方式是为了能够更透彻地理解本公开，并且能够将本公开的范围完整的传达给本领域的技术人员。
应理解的是，文中使用的术语仅出于描述特定示例实施方式的目的，而无意于进行限制。除非上下文另外明确地指出，否则如文中使用的单数形式“一”、“一个”以及“所述”也可以表示包括复数形式。术语“包括”、“包含”、“含有”以及“具有”是包含性的，并且因此指明所陈述的特征、步骤、操作、元件和/或部件的存在，但并不排除存在或者添加一个或多个其它特征、步骤、操作、元件、部件、和/或它们的组合。文中描述的方法步骤、过程、以及操作不解释为必须要求它们以所描述或说明的特定顺序执行，除非明确指出执行顺序。还应当理解，可以使用另外或者替代的步骤。
尽管可以在文中使用术语第一、第二、第三等来描述多个元件、部件、区域、层和/或部段，但是，这些元件、部件、区域、层和/或部段不应被这些术语所限制。这些术语可以仅用来将一个元件、部件、区域、层或部段与另一区域、层或部段区分开。除非上下文明确地指出，否则诸如“第一”、“第二”之类的术语以及其它数字术语在文中使用时并不暗示顺序或者次序。因此，以下讨论的第一元件、部件、区域、层或部段在不脱离示例实施方式的教导的情况下可以被称作第二元件、部件、区域、层或部段。
为了便于描述，可以在文中使用空间相对关系术语来描述如图中示出的一个元件或者特征相对于另一元件或者特征的关系，这些相对关系术语例如为“内部”、“外部”、“内侧”、“外侧”、“下面”、“下方”、“上面”、“上方”等。这种空间相对关系术语意于包括除图中描绘的方位之外的在使用或者操作中装置的不同方位。例如，如果在图中的装置翻转，那么描述为“在其它元件或者特征下面”或者“在其它元件或者特征下方”的元件将随后定向为“在其它元件或者特征上面”或者“在其它元件或者特征上方”。因此，示例术语“在……下方”可以包括在上和在下的方位。
如图1至图3所示，图1示意性地示出了换热系统100处于单独制冷模式的结构示意图，图2示意性地示出了换热系统100处于单独制热模式的结构示意图，图3示意性地示出了换热系统100处于同时制冷制热模式的结构示意图。换热系统100包括冷媒循环管路10，换热系统100还包括冷媒调节管路20，冷媒循环管路10和冷媒调节管路20以并联的方式连通，且冷媒调节管路20上设有储液组件21，储液组件21能够与冷媒循环管路10选择性地连通，用于调节冷媒循环管路10中的冷媒量。
需要说明的是，换热系统100是一种能够实现单独制冷、单独制热以及同时制热制冷功能的空调主机系统，具有三种工作模式，也就是单独制热模式，单独制冷模式和同时制热制冷模式。其中，当换热系统100处于不同的工作模式时，对冷媒量的需求是不一致的，具体地，当换热系统100处于单独制冷模式时，换热系统100需要的冷媒量最多，需要将所有的冷媒全部参与到冷媒循环管路10的循环中，当换热系统100处于单独制热模式时，冷媒循环管路10需要的冷媒量居中，需要动态调节冷媒循环管路10的冷媒量；当换热系统100处于同时制冷制热模式时，换热系统100所需要的冷媒量是最少的，此时，需要将冷媒循环管路10中的冷媒量降低，从而实现对冷媒量的精细化调节。
根据本申请的换热系统100，通过设置与冷媒循环管路10并联的冷媒调节管路20，其中，冷媒调节管路20上设置储液组件21，储液组件21与冷媒循环管路10选择性地连通，以调节冷媒循环管路10中的冷媒量，则可以通过储液组件21吸收冷媒循环管路10内的冷媒或者释放储液组件21中储存的冷媒到冷媒循环管路10内，实现对冷媒循环管路10内的冷媒量的精细化调节。
需要重点强调的是，这里所提到的储液组件21，可以是储液罐或者其他用于储存冷媒的容器，能够实现对冷媒的存放。另外，储液组件21与冷媒循环管路10之间选择性地连通，用于调节冷媒循环管路10中的冷媒量，是指储液组件21和冷媒循环管路10之间可以是断开的状态，也可以是连通的状态，根据换热系统100的工作模式来选择使用，以此来实现对冷媒循环管路10中的冷媒量的调节。
可选地，如图1所示，冷媒调节管路20包括第一管路22，第一管路22可以是圆形管或者矩形管，且第一管路22具有两个端部，两个端部分别与冷媒循环管路10以及储液组件21的一端连通，其中，第一管路22上设有第一阀门24。
这里的第一阀门24用于控制第一管路22的连通或者断开，其中，当第一阀门24处于打开状态时，第一管路22处于连通状态，能够实现储液组件21的一端与冷媒循环管路10的连通。
这里的第一阀门24可以是电磁阀，也可以是其他能够实现自动控制的阀门。
可选地，换热系统100的冷媒循环管路10上设置了相互连通的压缩机11和四通阀12以及换热组件，这些部件能够通过管路依次连通，其中，第一管路22和换热组件连接。
其中，这里的换热组件的数量可以是一个、两个或者多个，可根据需要选择相应的换热组件工作。
具体地，换热组件具体包括风冷换热器13，冷水换热器15与热水换热器19，其中，第一管路22和冷水换热器15连接，换热系统100根据不同的工作模式，选择不同的换热件进入循环过程中。
继续参照图1所示，换热系统100包括多个管路，其中，压缩机11和四通阀12通过第一冷媒管101连接，四通阀12通过第二冷媒管102与风冷换热器13连接，风冷换热器13通过第三冷媒管103的第一子管1031与冷水换热器15连接，风冷换热器13通过第三冷媒管103的第二子管1032与热水换热器19连接，其中，第一子管1031上设有第一控制阀16和第一电子膨胀阀14，第二子管1032上设置有第二电子膨胀阀17。第一子管1031和第二子管1032之间通过第四冷媒管104连接，第四冷媒管104上设置有第二控制阀18。
可选地，热水换热器19与四通阀12通过第六冷媒管106连接，冷水换热器15与压缩机11通过第五冷媒管105的第四子管1052连接，冷水换热器15与四通阀12通过第五冷媒管105的第三子管1051连接，通过不同管路的通断实现对换热系统100的控制，从而实现换热系统100的不同工作模式。
下面将根据换热系统100不同的工作模式进行展开介绍。
可选地，如图1所示，冷媒循环管路10处于单独制冷模式时，沿压缩机11的排气方向依次设置了四通阀12，风冷换热器13，第一电子膨胀阀14以及冷水换热器15，这些部件之间能够形成制冷流通路径；第一管路22能够与压缩机11的吸气侧连通，其中，第一阀门24处于打开状态。
需要说明的是，这里的风冷换热器13可以是翅片式换热器，具有较好的换热效果。这里的四通阀12具有四个接口，分别是第一端口121，第二端口122，第三端口123和第四端口124，压缩机11的出气口与四通阀12的第一端口121连通，四通阀12的第二端口122与冷水换热器15的入口连通，冷水换热器15的出口与第一电子膨胀阀14的入口连通，第一电子膨胀阀14的出口与冷水换热器15的入口连通，冷水换热器15的出口与压缩机11的进气口连通，从而可以实现冷媒的循环流动。
具体地，压缩机11的出气口与四通阀12的第一端口121之间通过第一冷媒管101连通，四通阀12的第二端口122与冷水换热器15的入口之间通过第二冷媒管102连通，冷水换热器15的出口与第一电子膨胀阀14的入口通过第三冷媒管103以及第一子管1031连通，第一电子膨胀阀14的出口与冷水换热器15的入口之间通过第一子管1031连通，冷水换热器15的出口与压缩机11的进气口之间通过第五冷媒管105以及第四子管1052连通。
其中，在图1中，冷媒的流动方向按照箭头所示的方向流动。
可选地，冷水换热器15设置有第一进口151和第一出口152，其中，第一进口151与水源连通，第一出口152与用户的输出端连通，为用户提供冷水。
可选地，制冷流通路径上设有第一控制阀16，其中，第一控制阀16的两个端部分别和风冷换热器13以及第一电子膨胀阀14连通，也就是说，冷媒在循环流动时，从风冷换热器13中流出后，依次经过第一控制阀16和第一电子膨胀阀14，其中，第一控制阀16可以采用单向阀结构，实现冷媒的单向流动。
从图1中所展示的结构可以确定，在冷媒循环管路10处于单独制冷模式时，压缩机11的出气口与四通阀12的第一端口121连通，四通阀12的第二端口122与风冷换热器13的入口连通，风冷换热器13的出口与第一控制阀16的入口连通，第一控制阀16的出口与第一电子膨胀阀14的入口连通，第一电子膨胀阀14的出口与冷水换热器15的入口连通，冷水换热器15的出口与压缩机11的进气口连通，从而可以实现冷媒的循环流动。在这种模式下，冷媒从压缩机11流出后，依次经过四通阀12，风冷换热器13、第一控制阀16、第一电子膨胀阀14和冷水换热器15后返回压缩机11，实现冷媒的循环流动，流动路径用虚线表示。
在冷媒循环管路10处于单独制冷模式时，冷媒调节管路20的第一阀门24处于打开状态，第一管路22处于连通状态，能够实现储液组件21的一端与冷媒循环管路10的连通，储液组件21的所有冷媒能够依次经过第一管路22，热水换热器19、四通阀12的第四端口124，四通阀12的第三端口123后输送到压缩机11内，将冷媒全部参与到冷媒循环管路10的循环过程中，在单独制冷模式下，储液组件21的内部没有冷媒，全部冷媒均参与到冷媒循环管路10中。
可选地，冷媒调节管路20还包括第二管路23，第二管路23的两个端部分别和储液组件21的另一端以及冷媒循环管路10连通，第二管路23上设置有第二阀门25，此时，第二阀门25处于关闭状态，能够断开第二管路23。
可选地，如图2所示，冷媒循环管路10处于单独制热模式时，冷媒循环管路10包括压缩机11，沿压缩机11的排气方向依次设置了四通阀12，热水换热器19，第二电子膨胀阀17和风冷换热器13，压缩机11，四通阀12，热水换热器19，第二电子膨胀阀17和风冷换热器13形成制热流通路径；第一管路22与第二电子膨胀阀17的入口端连通，且第一管路22上设置有第一阀门24，第一管路22选择性地连通，以调节冷媒循环管路10中的冷媒量。
可选地，热水换热器19设置有第二进口191和第二出口192，其中，第二进口191与水源连通，第二出口192与用户的输出端连通，为用户提供热水。
需要说明的是，第一管路22选择性地连通，以调节冷媒循环管路10中的冷媒量，具体地包括第一阀门24能够根据换热系统100的高压的条件判断是否瞬时打开，动态调节冷媒循环管所需的冷媒量，如对于R410a冷媒，当换热系统100中的高压大于第一预设值时，将第一阀门24打开一定时间，然后关闭第一阀门24。
具体地，当换热系统100中的高压大于39MPa时，第一阀门24打开3或者5秒，从而调整换热系统100中循环的冷媒量，降低换热系统100中的高压，从而提高换热系统100的机组能效。
当然，对于不同类型的冷媒，第一预设值和第一阀门24的打开时间是存在区别的，可以根据需要进行适当调整，这里不再进行阐述。
从图2中所展示的结构可以确定，在冷媒循环管路10处于单独制热模式时，压缩机11的出气口与四通阀12的第一端口121连通，四通阀12的第四端口124与热水换热器19的入口连通，热水换热器19的出口与第二电子膨胀阀17的入口连通，第二电子膨胀阀17的出口与风冷换热器13的入口连通，风冷换热器13的出口与四通阀12的第二端口122连通，四通阀12的第三端口123与压缩机11的进气口连通，从而可以实现冷媒的循环流动。
在单独制热模式下，冷媒从压缩机11流出后，经过第一冷媒管101、四通阀12，第六冷媒管106、热水换热器19、第二电子膨胀阀17、风冷换热器13和四通阀12后返回压缩机11，实现冷媒的循环流动。
在冷媒循环管路10处于单独制热模式时，冷媒调节管路20的第一阀门24处于选择性地连通的状态，当第一管路22处于连通状态时，能够实现储液组件21的一端与冷媒循环管路10的连通，能够将多余的冷媒输送到储液组件21内，对冷媒循环管路10中的冷媒量进行动态调整，实现对多余的冷媒的储存。
可选地，如图3所示，冷媒循环管路10处于同时制冷制热模式时，冷媒循环管路10包括压缩机11，沿压缩机11的排气方向依次连接有四通阀12，热水换热器19，第一电子膨胀阀14和冷水换热器15，压缩机11，四通阀12，热水换热器19，第一电子膨胀阀14和冷水换热器15形成同时制冷制热流通路径；第一管路22与冷水换热器15的出口端连通，且第一阀门24处于打开状态。
可选地，同时制冷制热流通路径上设置有第二控制阀18，第二控制阀18的两个端部分别与第一电子膨胀阀14和热水换热器19连通。第二控制阀18可以采用单向阀结构，实现冷媒的单向流动。
从图3中所展示的结构可以确定，在冷媒循环管路10处于同时制冷制热模式时，压缩机11的出气口与四通阀12的第一端口121连通，四通阀12的第四端口124与热水换热器19的入口连通，热水换热器19的出口与第二控制阀18的入口连通，第二控制阀18的出口与第一电子膨胀阀14的入口连通，第一电子膨胀阀14的出口与冷水换热器15的入口连通，冷水换热器15的出口与压缩机11的进气口连通，从而可以实现冷媒的循环流动。
在同时制冷制热模式下，冷媒从压缩机11流出后，依次经过四通阀12，热水换热器19、第二控制阀18、第一电子膨胀阀14、冷水换热器15后返回压缩机11，实现冷媒的循环流动。
需要说明的是，在同时制冷制热模式下，第一管路22与冷水换热器15的出口端连通，且第一阀门24处于打开状态，能够将多余的冷媒储存在储液组件21的内部，至储液组件21全部装满为止。
可选地，冷媒调节管路20还包括第二管路23，第二管路23的一端和储液组件21的另一端连通，第二管路23的另一端和冷媒循环管路10连通，第二管路23上设有第二阀门25，其中，第二阀门25处于闭合状态，将第二管路23断开。
可选地，第一阀门24与第二阀门25两者中的任意一者为电磁阀，或者第一阀门24与第二阀门25均为电磁阀，能够实现对管路的自动控制，除了采用电磁阀外，第一阀门24与第二阀门25也可以采用手动控制阀等结构。
需要说明的是，第一阀门24与第二阀门25分别设置于储液组件21的两端，对换热系统100中参与循环的冷媒量进行调整。
需要强调的是，图1至图3中的箭头方向表示冷媒的流动方向，用箭头表示冷媒的流向。对于图1至图3中的虚线部分连接的，表示未参与到冷媒循环路径中的部件。
下面将重点结合图4至图7对换热系统100的控制方法进行展开介绍。
本申请提出了一种换热系统100的控制方法，换热系统100包括风冷换热器13和冷媒循环管路10，如图4所示，控制方法包括：
S41、获取换热系统100处于同时制冷制热模式的运行时长；
S42、根据运行时长大于或者等于第一预设时长，获取换热系统100的运行参数；
S43、根据运行参数满足第一预设条件，控制换热系统100从同时制冷制热模式切换至另一模式；
S44、根据换热系统100处于另一模式的运行时长大于第二预设时长，控制换热系统100从另一模式切换至同时制冷制热模式；其中，换热系统100处于另一模式时，风冷换热器13设于冷媒循环管路10中。
需要说明的是，在换热系统100在低温环境中长时间待机后，若以同时制冷制热模式启动，将会出现冷媒量不足的情况，因此，本申请中重点是针对以同时制冷制热模式进行启动的情况。
在S41前，换热系统100时处于低温环境中待机的状态，以同时制冷制热模式启动换热系统100。
在S42中，这里的第一预设时长可以是具体值，也可以是范围值，如第一预设时长可以是是3分钟至10分钟，如五分钟或者六分钟等，当换热系统100的运行时长大于或者等于第一预设时长时，获取换热系统100的运行参数，从而可以对换热系统100的运行情况进行检测。
换热系统100处于同时制冷制热模式时，风冷换热器13与冷媒循环管路10断开设置且不参与冷媒的循环，换热系统100处于另一模式时，风冷换热器13与冷媒循环管路10连通设置且参与冷媒的循环。这里的另一模式包括单独制冷模式和单独制热模式，在这两种模式中，风冷换热器13与冷媒循环管路10连通设置且参与冷媒的循环。
在S43中，第一预设条件可以根据运行参数的种类分别设置不同的条件，从而可以进行分别控制，将在后面进行重点展开描述。
在S44中，换热系统100能够通过模式的切换来实现对冷媒量的调整，使得风冷换热器13中的冷媒能够参与到换热系统100的循环过程中。
本申请中的换热系统100的控制方法，在换热系统100处于制冷制热模式的运行时长大于或者等于第一预设时长后，当运行参数满足第一预设条件时，控制换热系统100从同时制冷制热模式切换至另一模式，并控制换热系统100在另一模式的运行时长大于第二预设时长，其中，换热系统100处于所述另一模式时，风冷换热器13设于冷媒循环管路10中，则可以将风冷换热器13中的冷媒抽出，增加换热系统100中参与循环的冷媒量，提高换热系统100的能效。
可选地，获取换热系统100的运行参数包括获取换热系统100的低压压力和获取换热系统100的吸气过热度。也就是说，这里的运行参数可以是换热系统100的低压压力，也可以是换热系统100的吸气过热度，其中，换热系统100的低压压力可以是压缩机11的吸气口的压力值，可以通过设置压力传感器实现对低压压力的检测。这里的吸气过热度是指压缩机11的吸气口的吸气温度和低压压力对应的低压饱和温度的差值，其中，压缩机11的吸气口的吸气温度可以通过温度传感器测量后获得，低压饱和温度指的是压缩机11的低压侧的压力传感器检测压力对应的饱和温度，可以使用蒸汽表，通过查表得到低压饱和温度的数值，也可以使用计算软件进行计算，通过输入低压压力得到对应的饱和温度的数值。
可选地，根据运行参数满足第一预设条件，控制换热系统100从同时制冷制热模式切换至另一模式包括根据换热系统100的低压压力小于第一压力预设值，且持续时长大于第一预设值，和/或，根据吸气过热度大于第一吸气预设值，且持续时长大于第二预设值控制换热系统100从同时制冷制热模式切换至另一模式。
其中，换热系统100的低压压力以及吸气过热度都是运行参数的一种，可以分别进行测量，根据两个参数中的至少一个实现对换热系统100的模式的切换。
这里的另一模式可以是制热模式，也可以是制冷模式，将在后面结合图5和图6分别进行展开描述。
可选地，换热系统100还包括储液组件21和冷媒调节管路20，冷媒调节管路20与冷媒循环管路10以并联的方式连通，冷媒调节管路20上设置有储液组件21；控制换热系统100从同时制冷制热模式切换至另一模式包括控制换热系统100从同时制冷制热模式切换至单独制冷模式；其中，换热系统100处于制冷模式时，储液组件21与冷媒循环管路10连通并用于向冷媒循环管路10提供冷媒。
需要说明的是，第一阀门24为常闭电磁阀，当换热系统100处于制冷模式时，第一阀门24通电打开，使得储液组件21与压缩机11的吸气口连通，将储液组件21内待机时的冷媒也抽回到换热系统100中参与冷媒循环，从而可以为换热系统100提供更多的冷媒量。
可选地，换热系统100还包括储液组件21和冷媒调节管路20，冷媒调节管路20与冷媒循环管路10以并联的方式连通，冷媒调节管路20上设置有储液组件21；控制换热系统100从同时制冷制热模式切换至另一模式包括控制换热系统100从同时制冷制热模式切换至单独制热模式，其中，储液组件21和冷媒循环管路10之间选择性地连通。
需要说明的时，这里的储液组件21和冷媒循环管路10之间选择性地连通是指二者之间可以是断开的状态，也可以是连通的状态，可以根据需要选择储液组件21和冷媒循环管路10之间的连通状态。
在换热系统100处于换热模式时，正常情况下，冷媒会出现从冷媒循环管路10进入到储液组件21内的情况，因此，为了使得更多的冷媒在冷媒循环管路10中流动，这里可以将第一阀门24处于断开状态，也就是说，储液组件21和冷媒循环管路10之间为断开的状态，降低冷媒进入到储液组件21内的几率。当然，这里的储液组件21和冷媒循环管路10之间也可以是连通的状态，只要风冷换热器13提供出的冷媒量大于进入到储液组件21内的冷媒量即可，同样能够增加换热系统100的冷门循环管路中的冷媒量。
下面将结合图5对换热系统100的控制方法的具体流程进行展开描述。控制方法包括：
S51、以同时制冷制热模式开启换热系统100；
S52、获取换热系统100的运行时长；
S53、根据运行时长大于或者等于第一预设时长，获取低压压力和吸气过热度；
S54、比较吸气过热度是否大于第一吸气预设值B；
S55、若是，比较持续时长是否大于第二预设值P；
S56、若是，则切换至单独制冷模式，若否，则返回到S54；
S57、以制冷模式运行换热系统100至第二预设时长；
S58、切换至同时制冷制热模式；
S59、以同时制冷制热模式运行换热系统100；
S541、比较低压压力是否小于第一压力预设值A；
S542、若是，则比较持续时长是否大于第一预设值M，若是，则进入S56，若否，则进入S59，实现对换热系统100的循环控制。
这里的第一压力预设值A可以是范围值，也可以是具体值，如第一压力预设值为5bar至10bar，如6bar或者7bar等。这里的第一吸气预设值B可以是范围值，也可以是具体值，如这里的第一吸气预设值B可以是5摄氏度至15摄氏度，如10摄氏度或者12摄氏度等。这里的第一预设值M可以是1分钟至5分钟，如2分钟或者3分钟等。这里的第二预设值P可以是15分钟至25分钟，如20分钟或者22分钟等。这里的第二预设时长可以根据换热系统100所处的环境温度进行确定，如第二预设时长为3分钟至8分钟，如5分钟或者6分钟等。
其中，这里的另一模式为制冷模式，相对于另一模式为制热模式而言，本申请的控制方法能够将储液组件21内的冷媒以及风冷换热器13中的冷媒分别抽出到冷媒循环管路10中，增加冷媒循环管路10中的冷媒量，提高换热系统100的能效。
下面将结合图6对换热系统100的控制方法的具体流程进行展开描述，控制方法包括：
S61、以同时制冷制热模式开启换热系统100；
S62、获取换热系统100的运行时长；
S63、根据运行时长大于或者等于第一预设时长，获取低压压力和吸气过热度；
S64、比较吸气过热度是否大于第一吸气预设值B；
S65、若是，比较持续时长是否大于第二预设值P；
S66、若是，则切换至单独制热模式，若否，则返回到S54；
S67、以制热模式运行换热系统100至第二预设时长；
S68、切换至同时制冷制热模式；
S69、以同时制冷制热模式运行换热系统100；
S641、比较低压压力是否小于第一压力预设值A；
S642、若是，则比较持续时长是否大于第一预设值M，若是，则进入S66，若否，则进入S69，实现对换热系统100的循环控制。
需要说明的是，这里的另一模式为制热模式，本申请的控制方法能够将风冷换热器13中的冷媒至少部分抽出到冷媒循环管路10中，增加冷媒循环管路10中的冷媒量，提高换热系统100的能效。
本申请的第二方面提出了一种控制装置，如图7所示，控制装置包括第一获取模块30，第二获取模块40和控制模块50，其中，第一获取模块30用于获取换热系统100处于同时制冷制热模式的运行时长；第二获取模块40用于根据运行时长大于或者等于第一预设时长，获取换热系统100的运行参数；控制模块50用于根据运行参数满足第一预设条件，控制换热系统100从同时制冷制热模式切换至另一模式；控制模块50还用于根据换热系统100处于另一模式的运行时长大于第二预设时长，控制换热系统100从另一模式切换至同时制冷制热模式。
需要说明的是，这里的第二获取模块40除了具有获取功能外，还具有比较功能和控制功能，控制模块50除了具有控制功能外，还具有比较功能。
其中，控制装置的其他功能可以参照控制方法中的介绍，能够使得控制装置实现控制方法的全部流程，这里不再进行展开描述。
本申请的第三方面提出了一种暖通设备，暖通设备包括存储器、处理器及存储在存储器上并在处理器上运行的空调系统控制程序，空调系统控制程序配置为实现如上面实施例中所提到的换热系统100的控制方法。
这里的暖通设备可以是热泵式的暖通设备，也可以是其他类型的暖通设备。
本申请的第四方面提出了一种存储介质，存储介质上存储有空调系统控制程序，空调系统控制程序被处理器执行时实现如上面实施例中所提到的换热系统100的控制方法。
本申请的其它部分的结构请参考现有技术，在此本申请不再进行赘述。
以上所述，仅为本申请较佳的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到的变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以权利要求的保护范围为准。

Claims (10)

  1. 一种换热系统的控制方法，所述换热系统包括风冷换热器和冷媒循环管路，其中，所述控制方法包括：
    获取所述换热系统处于同时制冷制热模式的运行时长；
    根据所述运行时长大于或者等于第一预设时长，获取所述换热系统的运行参数；
    根据所述运行参数满足第一预设条件，控制所述换热系统从所述同时制冷制热模式切换至另一模式；
    根据所述换热系统处于所述另一模式的运行时长至第二预设时长，控制所述换热系统从所述另一模式切换至所述同时制冷制热模式；
    其中，所述换热系统处于同时制冷制热模式时，所述风冷换热器与所述冷媒循环管路断开设置且不参与冷媒的循环，所述换热系统处于所述另一模式时，所述风冷换热器与所述冷媒循环管路连通设置且参与冷媒的循环。
  2. 如权利要求1所述的换热系统的控制方法，其中，获取所述换热系统的运行参数包括获取所述换热系统的低压压力和获取所述换热系统的吸气过热度。
  3. 如权利要求2所述的换热系统的控制方法，其中，所述根据所述运行参数满足第一预设条件，控制所述换热系统从所述同时制冷制热模式切换至另一模式的步骤包括：
    根据所述换热系统的低压压力小于第一压力预设值，且持续时长大于第一预设值，和/或，根据所述吸气过热度大于第一吸气预设值，且持续时长大于第二预设值；
    控制所述换热系统从所述同时制冷制热模式切换至所述另一模式。
  4. 如权利要求3所述的换热系统的控制方法，其中，所述换热系统还包括储液组件和冷媒调节管路，所述冷媒调节管路与所述冷媒循环管路以并联的方式连通，所述冷媒调节管路上设置有所述储液组件；
    所述控制所述换热系统从所述同时制冷制热模式切换至所述另一模式的步骤包括：
    控制所述换热系统从所述同时制冷制热模式切换至单独制冷模式；
    其中，所述换热系统处于所述制冷模式时，所述储液组件与所述冷媒循环管路连通并用于向所述冷媒循环管路提供冷媒。
  5. 如权利要求3所述的换热系统的控制方法，其中，所述换热系统还包括储液组件和冷媒调节管路，所述冷媒调节管路与所述冷媒循环管路以并联的方式连通，所述冷媒调节管路上设置有所述储液组件；
    所述控制所述换热系统从所述同时制冷制热模式切换至所述另一模式的步骤包括：
    控制所述换热系统从所述同时制冷制热模式切换至单独制热模式，其中，所述储液组件和所述冷媒循环管路断开设置。
  6. 如权利要求5所述的换热系统的控制方法，其中，所述冷媒调节管路上设置有第一阀门和第二阀门，所述第一阀门和所述第二阀门分别设于所述储液组件的两端。
  7. 如权利要求1至6任一项所述的换热系统的控制方法，其中，所述第一预设时长在3分钟至10分钟的范围内，和/或，所述第二预设时长在3分钟至10分钟的范围内。
  8. 一种控制装置，其中，所述控制装置包括：
    第一获取模块，用于获取换热系统处于同时制冷制热模式的运行时长；
    第二获取模块，用于根据所述运行时长大于或者等于第一预设时长，获取所述换热系统的运行参数；
    控制模块，用于根据所述运行参数满足第一预设条件，控制所述换热系统从所述同时制冷制热模式切换至另一模式，以及根据所述换热系统处于所述另一模式的运行时长大于第二预设时长，控制所述换热系统从所述另一模式切换至所述同时制冷制热模式。
  9. 一种暖通设备，其中，所述暖通设备包括：存储器、处理器及存储在所述存储器上并在所述处理器上运行的空调系统控制程序，所述空调系统控制程序配置为实现如权利要求1至7中任一项所述的换热系统的控制方法。
  10. 一种存储介质，其中，所述存储介质上存储有空调系统控制程序，所述空调系统控制程序被处理器执行时实现如权利要求l至7任一项所述的换热系统的控制方法。
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CN118463343A (zh) * 2024-05-28 2024-08-09 重庆美的通用制冷设备有限公司 换热系统的控制方法、控制装置、暖通设备和存储介质

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