A multi-heat pump system and a control method thereof

Abstract

The embodiment of the present application provides a kind of multi-heat pump system and its control method, comprising: first heat pump system, second heat pump system, shell, inner air valve, side air valve and upper air valve;The inner air valve, the first heat pump system and the second heat pump system are set to the inside of the shell, and the first heat pump system and the second heat pump system are connected by the inner air valve;The side air valve is set to the side of the first heat pump system and the second heat pump system, and the side air valve is connected with the first heat pump system, the second heat pump system;The upper air valve is set to the first heat pump system, and the upper air valve is connected with the first heat pump system;The inner air valve, the side air valve and the upper air valve are used to open or close in different operating modes, so that the first heat pump system and the second heat pump system exchange heat.By the embodiment of the present application, the adaptability of heat pump system can be improved, and the engineering demand can be met.

Description

Technical Field

[0001] This invention relates to the field of thermal energy treatment engineering technology, and in particular to a multi-heat pump system, a control method for a multi-heat pump system, an electronic device, and a storage medium. Background Technology

[0002] Currently, heat pump technology is being used more and more widely. However, traditional heat pumps have limited functions and modes, while engineering application scenarios are diverse, resulting in heat pumps being unable to meet complex and ever-changing engineering needs and having a limited range of applications. Summary of the Invention

[0003] In view of the above problems, embodiments of the present invention are proposed to provide a multi-heat pump system, a control method for a multi-heat pump system, an electronic device, and a storage medium that overcome or at least partially solve the above problems.

[0004] To address the aforementioned problems, in a first aspect of the present invention, an embodiment of the present invention discloses a multi-heat pump system, comprising: a first heat pump system, a second heat pump system, a housing, an inner air valve, a side air valve, and an upper air valve;

[0005] The internal air valve, the first heat pump system, and the second heat pump system are disposed inside the housing, and the first heat pump system and the second heat pump system are connected through the internal air valve.

[0006] The side air valve is disposed on the side of the first heat pump system and the second heat pump system, and the side air valve is connected to the first heat pump system and the second heat pump system.

[0007] The upper air valve is located above the first heat pump system and is connected to the first heat pump system.

[0008] The internal air valve, the side air valve, and the upper air valve are used to open or close in different operating modes to enable heat exchange between the first heat pump system and the second heat pump system.

[0009] Optionally, the first heat pump system includes: a first water-side heat exchanger, a first cooling fan, and a first heat exchange fin; the second heat pump system includes: a second water-side heat exchanger, a second cooling fan, and a second heat exchange fin.

[0010] Optionally, in parallel operation mode, the internal air valve is closed, and the upper air valve and the side air valve are open; the heat exchange path of the first heat pump system is from the first heat exchange fins to the upper air valve, and the heat exchange path of the second heat pump system is from the side air valve to the second cooling fan.

[0011] Optionally, in series operation mode, the inlet of the first water-side heat exchanger is connected to the outlet of the second water-side heat exchanger; the inner air valve is in the closed state, and the upper air valve and the side air valve are in the open state.

[0012] Optionally, it also includes: an indoor unit with a first water coil and a domestic hot water tank.

[0013] The second water-side heat exchanger is connected to the first water coil indoor unit, and the first water-side heat exchanger is connected to the domestic hot water tank.

[0014] Optionally, it also includes: an external air duct,

[0015] The air outlet of the upper air valve and the air inlet of the first heat exchange fin are connected to one side of the external air duct, and an organic external air valve is installed on the other side of the external air duct.

[0016] Optionally, it also includes: a second water coil indoor unit, a third water coil indoor unit, and a water coil outdoor unit.

[0017] One end of the second water coil indoor unit is connected to the outlet end of the second water-side heat exchanger, and the other end is connected to the inlet end of the first water-side heat exchanger.

[0018] One end of the third water coil indoor unit is connected to the outlet end of the first water-side heat exchanger, the other end of the third water coil indoor unit is connected to one end of the water coil outdoor unit, and the other end of the water coil outdoor unit is connected to the inlet end of the second water-side heat exchanger.

[0019] In a second aspect, an embodiment of the present invention discloses a control method for a multi-heat pump system. The multi-heat pump system includes: a first heat pump system, a second heat pump system, a housing, an inner air valve, a side air valve, and an upper air valve. The inner air valve, the first heat pump system, and the second heat pump system are disposed inside the housing, and the first heat pump system and the second heat pump system are connected through the inner air valve. The side air valve is disposed on the side of the first heat pump system and the second heat pump system, and is connected to the first heat pump system and the second heat pump system. The upper air valve is disposed above the first heat pump system and is connected to the first heat pump system. The method includes:

[0020] Receive operating mode setting instructions;

[0021] According to the operating mode corresponding to the operating mode setting instruction, the state of at least one of the inner air valve, the side air valve, and the upper air valve is controlled so that the first heat pump system and the second heat pump system can exchange heat.

[0022] Optionally, the first heat pump system includes: a first water-side heat exchanger, a first cooling fan, and a first heat exchange fin; the second heat pump system includes: a second water-side heat exchanger, a second cooling fan, and a second heat exchange fin.

[0023] Optionally, the operating mode setting command corresponds to a parallel operating mode; the step of controlling the state of at least one of the internal air valve, the side air valve, and the upper air valve includes:

[0024] The internal air valve is controlled to be in the closed state, while the upper air valve and the side air valve are in the open state.

[0025] Optionally, the operation mode setting command corresponds to a series operation mode, wherein the inlet end of the first water-side heat exchanger is connected to the outlet end of the second water-side heat exchanger.

[0026] Optionally, the multi-heat pump system further includes: a first water coil indoor unit and a domestic hot water tank, a second water-side heat exchanger connected to the first water coil indoor unit, and the first water-side heat exchanger connected to the domestic hot water tank; the operating mode setting command corresponds to the non-connected air duct cold recovery operating mode, and the step of controlling the state of at least one of the internal air valve, the side air valve, and the upper air valve includes:

[0027] Detect the cooling water outlet temperature and domestic hot water temperature of the second heat pump system;

[0028] In response to the cooling water temperature being higher than a preset cooling temperature threshold and the domestic hot water temperature being lower than a preset hot water temperature threshold, the upper air valve is controlled to be closed and the side air valve is controlled to be closed, while the inner air valve is controlled to be open.

[0029] In response to the cooling water temperature being higher than a preset cooling temperature threshold and the domestic hot water temperature not being lower than a preset hot water temperature threshold, the upper air valve and the side air valve are controlled to be closed, and the inner air valve is controlled to be open.

[0030] In response to the cooling water outlet temperature not being higher than the preset cooling temperature threshold, the internal air valve is controlled to be in the closed state.

[0031] Optionally, the multi-heat pump system further includes: an external air duct, a first water coil indoor unit and a domestic hot water tank, a second water-side heat exchanger connected to the first water coil indoor unit, and the first water-side heat exchanger connected to the domestic hot water tank; the air outlet of the upper air valve and the air inlet of the first heat exchange fin are connected to one side of the external air duct, and an organic external air valve is installed on the other side of the external air duct; the operating mode setting command corresponds to the air duct cold recovery operating mode, and the step of controlling the state of at least one of the inner air valve, the side air valve and the upper air valve includes:

[0032] Detect the cooling water outlet temperature and domestic hot water temperature of the second heat pump system;

[0033] In response to the cooling water temperature being higher than a preset cooling temperature threshold and the domestic hot water temperature being lower than a preset hot water temperature threshold, the upper air valve is controlled to be in the open state and the side air valve is controlled to be in the closed state.

[0034] In response to the cooling water temperature being higher than a preset cooling temperature threshold and the domestic hot water temperature not being lower than a preset hot water temperature threshold, the upper air valve and the side air valve are controlled to be closed, and the external air valve and the internal air valve are controlled to be open.

[0035] In response to the cooling water outlet temperature not being higher than the preset cooling temperature threshold, the external air valve and the side air valve are open, while the internal air valve and the upper air valve are closed.

[0036] Optionally, the multi-heat pump system further includes: a second water coil indoor unit, a third water coil indoor unit, and a water coil outdoor unit; one end of the second water coil indoor unit is connected to the outlet of the second water-side heat exchanger, and the other end is connected to the inlet of the first water-side heat exchanger; one end of the third water coil indoor unit is connected to the outlet of the first water-side heat exchanger, and the other end of the third water coil indoor unit is connected to one end of the water coil outdoor unit, and the other end of the water coil outdoor unit is connected to the inlet of the second water-side heat exchanger; the operating mode setting command corresponds to a constant temperature dehumidification operating mode, and the step of controlling the state of at least one of the internal air valve, the side air valve, and the upper air valve includes:

[0037] The side air valve and the top air valve are controlled to be in the closed state, and the inner air valve is controlled to be in the open state; or,

[0038] The internal air valve is controlled to be in the closed state, while the side air valve and the upper air valve are in the open state.

[0039] In a third aspect, an embodiment of the present invention discloses an electronic device including a processor, a memory, and a computer program stored in the memory and capable of running on the processor, wherein the computer program, when executed by the processor, implements the steps of the control method for a multi-heat pump system as described above.

[0040] In a fourth aspect, embodiments of the present invention disclose a computer-readable storage medium storing a computer program that, when executed by a processor, implements the steps of the control method for a multi-heat pump system as described above.

[0041] The embodiments of the present invention have the following advantages:

[0042] This invention provides a multi-heat pump system comprised of a first heat pump system, a second heat pump system, a housing, an inner air valve, a side air valve, and an upper air valve. The inner air valve, the first heat pump system, and the second heat pump system are located inside the housing, and are connected via the inner air valve. The side air valve is located on the sides of the first and second heat pump systems and is connected to them. The upper air valve is located above the first heat pump system and is connected to it. The inner air valve, the side air valve, and the upper air valve are used to open or close under different operating modes to facilitate heat exchange between the first and second heat pump systems. Multiple operating modes can be achieved by controlling the inner air valve, the side air valve, and the upper air valve. Mode switching can be completed simply by switching the air valves, effectively expanding the applicable scenarios of the heat pump system, improving its adaptability, and meeting complex and ever-changing engineering needs. Attached Figure Description

[0043] Figure 1 This is a schematic diagram of the structure of a multi-heat pump system according to the present invention;

[0044] Figure 2 This is a flowchart illustrating the steps of an embodiment of a control method for a multi-heat pump system according to the present invention.

[0045] Figure 3 This is a schematic diagram of the operation of a multi-heat pump system according to the present invention. Figure 1 ;

[0046] Figure 4 This is a schematic diagram of the operation of a multi-heat pump system according to the present invention. Figure 2 ;

[0047] Figure 5 This is a schematic diagram of the operation of a multi-heat pump system according to the present invention. Figure 3 ;

[0048] Figure 6 This is a schematic diagram of the operation of a multi-heat pump system according to the present invention. Figure 4 ;

[0049] Figure 7 This is a structural block diagram of an electronic device provided in an embodiment of the present invention;

[0050] Figure 8 This is a structural block diagram of a storage medium provided in an embodiment of the present invention.

[0051] Explanation of reference numerals in the attached drawings: 100-First heat pump system, 200-Second heat pump system, 300-Casing, 400-Inner air valve, 500-Side air valve, 600-Upper air valve. Detailed Implementation

[0052] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0053] Reference Figure 1 The diagram shows a structural schematic of a multi-heat pump system according to the present invention; the multi-heat pump system includes: a first heat pump system 100, a second heat pump system 200, a housing 300, an inner air valve 400, a side air valve 500, and an upper air valve 600;

[0054] The inner air valve 400, the first heat pump system 100 and the second heat pump system 200 are disposed inside the housing 300, and the first heat pump system 100 and the second heat pump system 200 are connected through the inner air valve 400.

[0055] The side air valve 500 is disposed on the side of the first heat pump system 100 and the second heat pump system 200, and the side air valve 500 is connected to the first heat pump system 100 and the second heat pump system 200.

[0056] The upper air valve 600 is disposed above the first heat pump system 100, and the upper air valve 600 is connected to the first heat pump system 100;

[0057] The inner air valve 400, the side air valve 500, and the upper air valve 600 are used to open or close in different operating modes so that the first heat pump system 100 and the second heat pump system 200 can exchange heat.

[0058] In this embodiment of the invention, the multi-heat pump system may include a first heat pump system 100, a second heat pump system 200, a housing 300, an inner air valve 400, a side air valve 500, and an upper air valve 600. The first heat pump system 100 and the second heat pump system 200 are installed within the same housing 300. The inner air valve 400 is also disposed between the first heat pump system 100 and the second heat pump system 200, and is connected to both the first heat pump system 100 and the second heat pump system 200. The inner air valve 400, the first heat pump system 100, and the second heat pump system 200 are located inside the housing 300. The first heat pump system 100 and the second heat pump system 200 have identical structures. Each heat pump system may include a compressor, a vapor-liquid separator, an electronic expansion valve, a fan, a finned heat exchanger, a shell-and-tube heat exchanger, air valves, piping, etc. The compressors, shell-and-tube heat exchangers, electronic expansion valves, four-way valves, and pipelines of the first heat pump system 100 and the second heat pump system 200 are respectively placed on the left and right sides of the inner air valve 400.

[0059] Side air valves 500 are disposed on the sides of the first heat pump system 100 and the second heat pump system 200. There can be multiple side air valves 500, such as... Figure 1 As shown, there are two side air valves 500. The side air valves 500 are connected to the first heat pump system 100 and the second heat pump system 200, respectively. The top air valve 600 can be set above the first heat pump system 100, and the top air valve 600 is connected to the first heat pump system 100 to exchange heat with the outside.

[0060] The internal air valve 400, the side air valve 500, and the top air valve 600 can all be controlled independently. In different operating modes, each of the internal air valve 400, the side air valve 500, and the top air valve 600 can be independently controlled to be open or closed, so that the first heat pump system 100 and the second heat pump system 200 can exchange heat to meet the corresponding cooling or heating needs.

[0061] In an optional embodiment of the present invention, the first heat pump system 100 includes: a first water-side heat exchanger, a first cooling fan, and a first heat exchange fin; the second heat pump system 200 includes: a second water-side heat exchanger, a second cooling fan, and a second heat exchange fin.

[0062] In this embodiment of the invention, the first heat pump system 100 and the second heat pump system 200 have the same structure, both including a water-side heat exchange system and an air-side heat exchange system. Specifically, the first heat pump system 100 includes a first water-side heat exchanger, a first cooling fan, and first heat exchange fins. The second heat pump system 200 includes a second water-side heat exchanger, a second cooling fan, and second heat exchange fins. The first and second water-side heat exchangers have the same structure. The first and second heat exchange fins have the same structure. The first and second cooling fans have the same structure. The first and second heat exchange fans are used only to distinguish components located in different heat pump systems.

[0063] In an optional embodiment of the present invention, in parallel operation mode, the inner air valve 400 is in a closed state, and the upper air valve 600 and the side air valve 500 are in an open state; the heat exchange path of the first heat pump system 100 is to enter through the first heat exchange fins and exit through the upper air valve 600, and the heat exchange path of the second heat pump system 200 is to enter through the side air valve 500 and exit through the second cooling fan.

[0064] The multi-heat pump system features a parallel operation mode, where the first heat pump system 100 and the second heat pump system 200 operate independently, each independently performing cooling or heating to achieve corresponding temperature adjustments. In parallel operation mode, the internal air valve 400 is closed, while the upper air valve 600 and side air valve 500 are open. At this time, air from the first heat pump system 100 enters through the first heat exchange fins, undergoes heat exchange, and exits through the upper air valve 600. Correspondingly, air from the second heat pump system 200 enters through the side air valve 500, undergoes heat exchange, and exits through the second cooling fan. In other words, the heat exchange path for the first heat pump system 100 is from the first heat exchange fins to the upper air valve 600, and for the second heat pump system 200, it is from the side air valve 500 to the second cooling fan.

[0065] In an optional embodiment of the present invention, in the series operation mode, the inlet end of the first water-side heat exchanger is connected to the outlet end of the second water-side heat exchanger; the inner air valve 400 is in the closed state, and the upper air valve 600 and the side air valve 500 are in the open state.

[0066] The multi-heat pump system features a series operation mode, where the first heat pump system 100 and the second heat pump system 200 operate in series together, jointly performing cooling or heating to achieve corresponding temperature adjustments. In series operation mode, the inlet of the first water-side heat exchanger is connected to the outlet of the second water-side heat exchanger; the inner air valve 400 is closed, while the upper air valve 600 and the side air valve 500 are open. Air from the first heat pump system 100 enters through the first heat exchange fins, undergoes heat exchange, and exits through the upper air valve 600. Correspondingly, air from the second heat pump system 200 enters through the side air valve 500, undergoes heat exchange, and exits through the second cooling fan.

[0067] In an optional embodiment of the present invention, the multi-heat pump system further includes: a first water coil indoor unit and a domestic hot water tank, a second water-side heat exchanger connected to the first water coil indoor unit, and the first water-side heat exchanger connected to the domestic hot water tank.

[0068] In this embodiment of the invention, a first water coil indoor unit and a domestic hot water tank can also be installed in the water-side heat exchange system of a multi-heat pump system. Temperature control is achieved using the heat from the first water coil indoor unit and the domestic hot water tank. A second water-side heat exchanger is connected to the first water coil indoor unit, and the first water-side heat exchanger is connected to the domestic hot water tank, thereby broadening the applicability of this embodiment of the invention.

[0069] In an optional embodiment of the present invention, the multi-heat pump system further includes: an external air duct.

[0070] The air outlet of the upper air valve 600 and the air inlet of the first heat exchange fin are connected to one side of the external air duct, and an organic external air valve is installed on the other side of the external air duct.

[0071] In this embodiment of the invention, an external air duct can also be provided on the multi-heat pump system. One side of the external air duct is connected to the air outlet of the upper air valve 600 and the air inlet of the first heat exchange fin. An organic external air valve is installed on the other side of the external air duct. The external air duct is connected to the multi-heat pump system by opening or closing the external air valve, so that the external fresh air can be used for temperature control.

[0072] In an optional embodiment of the present invention, the multi-heat pump system further includes: a second water coil indoor unit, a third water coil indoor unit, and a water coil outdoor unit.

[0073] One end of the second water coil indoor unit is connected to the outlet end of the second water-side heat exchanger, and the other end is connected to the inlet end of the first water-side heat exchanger.

[0074] One end of the third water coil indoor unit is connected to the outlet end of the first water-side heat exchanger, the other end of the third water coil indoor unit is connected to one end of the water coil outdoor unit, and the other end of the water coil outdoor unit is connected to the inlet end of the second water-side heat exchanger.

[0075] In a multi-heat pump system, a second water coil indoor unit, a third water coil indoor unit, and a water coil outdoor unit can also be installed. One end of the second water coil indoor unit is connected to the outlet of the second water-side heat exchanger, and the other end is connected to the inlet of the first water-side heat exchanger. One end of the third water coil indoor unit is connected to the outlet of the first water-side heat exchanger, and the other end of the third water coil indoor unit is connected to one end of the water coil outdoor unit. The other end of the water coil outdoor unit is connected to the inlet of the second water-side heat exchanger. The water-side heat exchange systems of the first heat pump system 100 and the second heat pump system 200 are interconnected through the second water coil indoor unit, the third water coil indoor unit, and the water coil outdoor unit, so that they can work in coordination to perform corresponding temperature control.

[0076] This invention embodiment comprises a multi-heat pump system consisting of a first heat pump system 100, a second heat pump system 200, a housing 300, an inner air valve 400, a side air valve 500, and an upper air valve 600. The inner air valve 400, the first heat pump system 100, and the second heat pump system 200 are disposed inside the housing 300, and the first heat pump system 100 and the second heat pump system 200 are connected via the inner air valve 400. The side air valve 500 is disposed on the side of the first heat pump system 100 and the second heat pump system 200, and the side air valve 500 is connected to the first heat pump system 100 and the second heat pump system 200. An upper air valve 600 is disposed above the first heat pump system 100 and is connected to the first heat pump system 100. The inner air valve 400, the side air valve 500, and the upper air valve 600 are used to open or close in different operating modes to enable heat exchange between the first heat pump system 100 and the second heat pump system 200. Multiple operating modes can be realized by controlling the inner air valve 400, the side air valve 500, and the upper air valve 600 accordingly. Mode switching can be completed by simply switching the air valves, which can effectively expand the applicable scenarios of the heat pump system, improve the adaptability of the heat pump system, and meet complex and ever-changing engineering needs.

[0077] Reference Figure 2 This diagram illustrates a flowchart of an embodiment of a control method for a multi-heat pump system according to the present invention. The multi-heat pump system includes: a first heat pump system, a second heat pump system, a housing, an inner air valve, a side air valve, and an upper air valve. The inner air valve, the first heat pump system, and the second heat pump system are disposed inside the housing, and the first heat pump system and the second heat pump system are connected through the inner air valve. The side air valve is disposed on the side of the first heat pump system and the second heat pump system, and the side air valve is connected to the first heat pump system and the second heat pump system. The upper air valve is disposed above the first heat pump system and is connected to the first heat pump system. The specific structure of the multi-heat pump system can be referred to the above embodiment.

[0078] The control method for the multi-heat pump system may specifically include the following steps:

[0079] Step 201: Receive the operating mode setting instruction;

[0080] Users can send operating mode setting commands to the multi-heat pump system via controllers such as wired controllers, depending on the application scenario. These commands are used to set the status of various air valves within the system, enabling different operating modes to suit various applications. The multi-heat pump system can receive these operating mode setting commands.

[0081] Step 202: According to the operating mode corresponding to the operating mode setting instruction, control the state of at least one of the inner air valve, the side air valve and the upper air valve so that the first heat pump system and the second heat pump system can exchange heat.

[0082] The operating mode can be set according to different operating modes, and the corresponding air valve status can be set, that is, the status of at least one of the internal air valve, side air valve and upper air valve can be controlled, so as to realize different operating modes so that the first heat pump system and the second heat pump system can exchange heat.

[0083] Specifically, the first heat pump system includes: a first water-side heat exchanger, a first cooling fan, and a first heat exchange fin; the second heat pump system includes: a second water-side heat exchanger, a second cooling fan, and a second heat exchange fin. Corresponding operating modes are achieved through the water-side and air-side heat exchange systems.

[0084] In one example of the present invention, the operation mode setting instruction corresponds to a parallel operation mode; the step of controlling the state of at least one of the inner air valve, the side air valve and the upper air valve includes: controlling the inner air valve to be in a closed state, and the upper air valve and the side air valve to be in an open state.

[0085] You can refer to Figure 3 For conventional heating or cooling projects, the corresponding application scenario is cooling in summer and heating in winter. In this case, multiple heat pump systems can operate in parallel. The first heat pump system and the second heat pump system operate independently in parallel. The internal air valve can be controlled to be closed, while the upper air valve and the side air valve can be controlled to be open. The air of the first heat pump system enters through the first heat exchange fins, undergoes heat exchange, and exits through the upper air valve. The air of the second heat pump system enters through the side air valve and exits through the second cooling fan outlet. In summer, the first and second heat exchange fins provide heating, while the first and second water-side heat exchangers provide cooling. In winter, the first and second heat exchange fins provide cooling, while the first and second water-side heat exchangers provide heating.

[0086] In one example of the present invention, the operation mode setting instruction corresponds to a series operation mode, wherein the inlet end of the first water-side heat exchanger is connected to the outlet end of the second water-side heat exchanger.

[0087] You can refer to Figure 4For applications with small water flow and large temperature difference requirements, a series operation mode can be adopted. The inlet of the first water-side heat exchanger is connected to the outlet of the second water-side heat exchanger. The first and second water-side heat exchangers are connected in series, and the air-side heat exchangers are connected in parallel. This means that the internal air valve can be controlled to be closed, and the upper air valve and side air valve can be controlled to be open. The air of the first heat pump system enters through the first heat exchange fins, undergoes heat exchange, and is discharged from the upper air valve. The air of the second heat pump system enters through the side air valve and is discharged from the second cooling fan outlet.

[0088] In one example of the present invention, the multi-heat pump system further includes: a first water coil indoor unit and a domestic hot water tank, a second water-side heat exchanger connected to the first water coil indoor unit, and the first water-side heat exchanger connected to the domestic hot water tank; the operating mode setting command corresponds to the non-connected air duct cold recovery operating mode, and the step of controlling the state of at least one of the internal air valve, the side air valve, and the upper air valve includes: detecting the cooling water outlet temperature and the domestic hot water temperature of the second heat pump system; in response to the cooling water outlet temperature being higher than a preset cooling temperature threshold and the domestic hot water temperature being lower than a preset hot water temperature threshold, controlling the upper air valve to close and the side air valve to be in a closed state, and the internal air valve to be in an open state; in response to the cooling water outlet temperature being higher than the preset cooling temperature threshold and the domestic hot water temperature not being lower than the preset hot water temperature threshold, controlling the upper air valve and the side air valve to be in a closed state, and the internal air valve to be in an open state; in response to the cooling water outlet temperature not being higher than the preset cooling temperature threshold, controlling the internal air valve to be in a closed state.

[0089] For reference Figure 5 In applications requiring both summer cooling and domestic hot water, multi-heat pump systems can operate in a cold recovery mode without external ductwork, allowing operation without the need for external ductwork.

[0090] It can detect the cooling water outlet temperature and domestic hot water temperature of the second heat pump system.

[0091] When the cooling water outlet temperature of the second heat pump system is higher than the preset cooling temperature threshold and the domestic hot water temperature of the second heat pump system is lower than the preset hot water temperature threshold, it indicates that the cooling output load of the multi-heat pump system is insufficient and the domestic hot water temperature is inadequate. In response to the cooling water outlet temperature being higher than the preset cooling temperature threshold and the domestic hot water temperature being lower than the preset hot water temperature threshold, the first heat pump system is started up. The control valve is closed and the side air valve is closed, while the internal air valve is open. After the outdoor air is cooled by the first heat exchange fins, it enters the second heat exchange fins, increasing the air volume and reducing the inlet air temperature, thereby increasing the cooling capacity of the second heat pump system.

[0092] When the cooling water temperature is higher than the preset cooling temperature threshold and the domestic hot water temperature is not lower than the preset hot water temperature threshold, it indicates that the cooling output load of the multi-heat pump system is insufficient but the domestic hot water temperature is sufficient. The first heat pump system only operates the fan, controls the upper air valve and side air valve to be closed, and the inner air valve to be open. The air intake of the second heat pump system is accelerated by the first cooling fan and flows into the second heat exchange fins, which can increase the air volume of the second cooling fan and increase its cooling capacity.

[0093] When the cooling water outlet temperature is not higher than the preset cooling temperature threshold, it indicates that the system cooling load is sufficient or cooling is not required. In response to the cooling water outlet temperature not being higher than the preset cooling temperature threshold, the internal air valve can be controlled to be closed, and the first heat pump system and the second heat pump system can operate independently.

[0094] In one example of the present invention, the multi-heat pump system further includes: an external air duct, a first water coil indoor unit and a domestic hot water tank, a second water-side heat exchanger connected to the first water coil indoor unit, and the first water-side heat exchanger connected to the domestic hot water tank; the air outlet of the upper air valve and the air inlet of the first heat exchange fin are connected to one side of the external air duct, and an organic external air valve is installed on the other side of the external air duct; the operating mode setting command corresponds to the cold recovery operating mode of the air duct, and the step of controlling the state of at least one of the inner air valve, the side air valve and the upper air valve includes: detecting the cooling water outlet temperature and the domestic hot water temperature of the second heat pump system. Water temperature; in response to the cooling water outlet temperature being higher than a preset cooling temperature threshold and the domestic hot water temperature being lower than a preset hot water temperature threshold, the upper air valve is controlled to be in the open state and the side air valve is controlled to be in the closed state; in response to the cooling water outlet temperature being higher than a preset cooling temperature threshold and the domestic hot water temperature not being lower than a preset hot water temperature threshold, the upper air valve and the side air valve are controlled to be in the closed state, and the external air valve and the internal air valve are controlled to be in the open state; in response to the cooling water outlet temperature not being higher than a preset cooling temperature threshold, the external air valve and the side air valve are in the open state, and the internal air valve and the upper air valve are in the closed state.

[0095] Similarly, refer to Figure 5 For projects requiring both summer cooling and domestic hot water, an external air duct can be connected to utilize the fresh air from the external air duct for heat exchange. Specifically, the second water-side heat exchanger is connected to the first water coil indoor unit, and the first water-side heat exchanger is connected to the domestic hot water tank. The air outlet of the upper air valve and the air inlet of the first heat exchange fin are connected to one side of the external air duct, and an organic external air valve is installed on the other side of the external air duct.

[0096] Multi-heat pump systems can operate in a duct-connected cold recovery mode.

[0097] It can detect the cooling water outlet temperature and domestic hot water temperature of the second heat pump system.

[0098] When the cooling water outlet temperature of the second heat pump system is higher than the preset cooling temperature threshold and the domestic hot water temperature of the second heat pump system is lower than the preset hot water temperature threshold, it indicates that the cooling output load of the multi-heat pump system is insufficient and the domestic hot water temperature is inadequate. The first heat pump system is started up, the upper air valve is in the open state and the side air valve is in the closed state, and the cold air cooled by the first heat exchange fins is introduced to supplement the cooling capacity.

[0099] When the cooling water outlet temperature of the second heat pump system is higher than the preset cooling temperature threshold and the domestic hot water temperature of the second heat pump system is not lower than the preset hot water temperature threshold, it indicates that the cooling output load of the multi-heat pump system is insufficient but the domestic hot water temperature is sufficient. The first heat pump system only operates the fan, controls the upper air valve and side air valve to be in the closed state, and the external air valve and internal air valve to be in the open state. The air intake of the second heat pump system is accelerated by the first cooling fan and flows into the second heat exchange fins, which can increase the air volume of the second heat pump system and increase its cooling capacity.

[0100] When the cooling water outlet temperature is not higher than the preset cooling temperature threshold, it indicates that the cooling load is sufficient or no cooling is required. The external air valve and side air valve can be controlled to be in the open state, and the internal air valve and top air valve can be controlled to be in the closed state. The first heat pump system and the second heat pump system operate independently.

[0101] In one example of the present invention, the multi-heat pump system further includes: a second water coil indoor unit, a third water coil indoor unit, and a water coil outdoor unit. One end of the second water coil indoor unit is connected to the outlet of the second water-side heat exchanger, and the other end is connected to the inlet of the first water-side heat exchanger. One end of the third water coil indoor unit is connected to the outlet of the first water-side heat exchanger, and the other end of the third water coil indoor unit is connected to one end of the water coil outdoor unit. The other end of the water coil outdoor unit is connected to the inlet of the second water-side heat exchanger. The operating mode setting command corresponds to a constant temperature dehumidification operating mode. The step of controlling the state of at least one of the internal air valve, the side air valve, and the upper air valve includes: controlling the side air valve and the upper air valve to be in a closed state and the internal air valve to be in an open state; or, controlling the internal air valve to be in a closed state and the side air valve and the upper air valve to be in an open state.

[0102] You can refer to Figure 6 For constant temperature dehumidification projects, the entire unit can be installed indoors and run in constant temperature dehumidification mode. A second water coil indoor unit, a third water coil indoor unit, and a water coil outdoor unit can be installed. One end of the second water coil indoor unit is connected to the outlet of the second water-side heat exchanger, and the other end is connected to the inlet of the first water-side heat exchanger. One end of the third water coil indoor unit is connected to the outlet of the first water-side heat exchanger, and the other end is connected to one end of the water coil outdoor unit, while the other end of the water coil outdoor unit is connected to the inlet of the second water-side heat exchanger.

[0103] In constant temperature and dehumidification mode, the first heat pump system operates, with the first heat exchange fins providing cooling, while the second heat pump system operates, with the second heat exchange fins providing heating. The side air valve and top air valve are controlled to be closed, while the interior air valve is open. Indoor air, after being cooled and dehumidified by the first heat pump system, enters the second heat pump system for heating, maintaining a constant inlet and outlet air temperature. The two indoor units, the first and second water-side heat exchangers, are installed side-by-side. Low-temperature chilled water from the second heat pump system flows into the second water coil indoor unit to cool and dehumidify the indoor air. The second heat pump system then heats the water, which is then used by the third water coil indoor unit to further heat the indoor air, thus maintaining a constant indoor temperature. Excess heat is exhausted to the outside through the water coil outdoor unit.

[0104] When only cooling is needed indoors, the first and second heat pump systems can operate their corresponding finned cooling systems, controlling the indoor air valve to be closed and the side air valve and top air valve to be open. The indoor air is cooled by passing through the first and second heat exchange fins respectively. The second water coil indoor unit and the second water coil outdoor unit are both closed, while the water coil outdoor unit is open, transferring heat to the outdoor air.

[0105] When only heating is needed indoors, the first and second heat pump systems operate with finned heating. The indoor control valve is closed, while the side and top air valves are open, allowing indoor air to be heated through the first and second heat exchange fins. The second water coil indoor unit is closed, while the water coil outdoor unit is also open, transferring cooling capacity to the outdoor air.

[0106] This invention comprises a multi-heat pump system consisting of a first heat pump system, a second heat pump system, a housing, an inner air valve, a side air valve, and an upper air valve. The inner air valve, the first heat pump system, and the second heat pump system are located inside the housing, and the first and second heat pump systems are connected via the inner air valve. The side air valve is located on the side of the first and second heat pump systems and is connected to them. The upper air valve is located above the first heat pump system and is connected to it. The system receives an operating mode setting command and, according to the operating mode corresponding to the command, controls the state of at least one of the inner air valve, the side air valve, and the upper air valve to enable heat exchange between the first and second heat pump systems. Multiple operating modes can be achieved by controlling the inner air valve, the side air valve, and the upper air valve, and mode switching can be completed simply by switching the air valves. This effectively expands the adaptability of the heat pump system, enhances its adaptability, and meets complex and ever-changing engineering requirements.

[0107] It should be noted that, for the sake of simplicity, the method embodiments are all described as a series of actions. However, those skilled in the art should understand that the embodiments of the present invention are not limited to the described order of actions, because according to the embodiments of the present invention, some steps can be performed in other orders or simultaneously. Furthermore, those skilled in the art should also understand that the embodiments described in the specification are preferred embodiments, and the actions involved are not necessarily essential to the embodiments of the present invention.

[0108] Reference Figure 7 The present invention also provides an electronic device, comprising:

[0109] The processor 701 and the storage medium 702 store a computer program executable by the processor 701. When the electronic device is controlled to run, the processor 701 executes the computer program to implement the control method of the multi-heat pump system as described in any one of the embodiments of the present invention.

[0110] The multi-heat pump system includes: a first heat pump system, a second heat pump system, a housing, an inner air valve, a side air valve, and an upper air valve; the inner air valve, the first heat pump system, and the second heat pump system are disposed inside the housing, and the first heat pump system and the second heat pump system are connected through the inner air valve; the side air valve is disposed on the side of the first heat pump system and the second heat pump system, and the side air valve is connected to the first heat pump system; the upper air valve is disposed above the first heat pump system, and the upper air valve is connected to the first heat pump system; the control method of the multi-heat pump system includes:

[0111] Receive operating mode setting instructions;

[0112] According to the operating mode corresponding to the operating mode setting instruction, the state of at least one of the inner air valve, the side air valve, and the upper air valve is controlled so that the first heat pump system and the second heat pump system can exchange heat.

[0113] Optionally, the first heat pump system includes: a first water-side heat exchanger, a first cooling fan, and a first heat exchange fin; the second heat pump system includes: a second water-side heat exchanger, a second cooling fan, and a second heat exchange fin.

[0114] Optionally, the operating mode setting command corresponds to a parallel operating mode; the step of controlling the state of at least one of the internal air valve, the side air valve, and the upper air valve includes:

[0115] The internal air valve is controlled to be in the closed state, while the upper air valve and the side air valve are in the open state.

[0116] Optionally, the operation mode setting command corresponds to a series operation mode, wherein the inlet end of the first water-side heat exchanger is connected to the outlet end of the second water-side heat exchanger.

[0117] Optionally, the multi-heat pump system further includes: a first water coil indoor unit and a domestic hot water tank, a second water-side heat exchanger connected to the first water coil indoor unit, and the first water-side heat exchanger connected to the domestic hot water tank; the operating mode setting command corresponds to the non-connected air duct cold recovery operating mode, and the step of controlling the state of at least one of the internal air valve, the side air valve, and the upper air valve includes:

[0118] Detect the cooling water outlet temperature and domestic hot water temperature of the second heat pump system;

[0119] In response to the cooling water temperature being higher than a preset cooling temperature threshold and the domestic hot water temperature being lower than a preset hot water temperature threshold, the upper air valve is controlled to be closed and the side air valve is controlled to be closed, while the inner air valve is controlled to be open.

[0120] In response to the cooling water temperature being higher than a preset cooling temperature threshold and the domestic hot water temperature not being lower than a preset hot water temperature threshold, the upper air valve and the side air valve are controlled to be closed, and the inner air valve is controlled to be open.

[0121] In response to the cooling water outlet temperature not being higher than the preset cooling temperature threshold, the internal air valve is controlled to be in the closed state.

[0122] Optionally, the multi-heat pump system further includes: an external air duct, a first water coil indoor unit and a domestic hot water tank, a second water-side heat exchanger connected to the first water coil indoor unit, and the first water-side heat exchanger connected to the domestic hot water tank; the air outlet of the upper air valve and the air inlet of the first heat exchange fin are connected to one side of the external air duct, and an organic external air valve is installed on the other side of the external air duct; the operating mode setting command corresponds to the air duct cold recovery operating mode, and the step of controlling the state of at least one of the inner air valve, the side air valve and the upper air valve includes:

[0123] Detect the cooling water outlet temperature and domestic hot water temperature of the second heat pump system;

[0124] In response to the cooling water temperature being higher than a preset cooling temperature threshold and the domestic hot water temperature being lower than a preset hot water temperature threshold, the upper air valve is controlled to be in the open state and the side air valve is controlled to be in the closed state.

[0125] In response to the cooling water temperature being higher than a preset cooling temperature threshold and the domestic hot water temperature not being lower than a preset hot water temperature threshold, the upper air valve and the side air valve are controlled to be closed, and the external air valve and the internal air valve are controlled to be open.

[0126] In response to the cooling water outlet temperature not being higher than the preset cooling temperature threshold, the external air valve and the side air valve are open, while the internal air valve and the upper air valve are closed.

[0127] Optionally, the multi-heat pump system further includes: a second water coil indoor unit, a third water coil indoor unit, and a water coil outdoor unit; one end of the second water coil indoor unit is connected to the outlet of the second water-side heat exchanger, and the other end is connected to the inlet of the first water-side heat exchanger; one end of the third water coil indoor unit is connected to the outlet of the first water-side heat exchanger, and the other end of the third water coil indoor unit is connected to one end of the water coil outdoor unit, and the other end of the water coil outdoor unit is connected to the inlet of the second water-side heat exchanger; the operating mode setting command corresponds to a constant temperature dehumidification operating mode, and the step of controlling the state of at least one of the internal air valve, the side air valve, and the upper air valve includes:

[0128] The side air valve and the top air valve are controlled to be in the closed state, and the inner air valve is controlled to be in the open state; or,

[0129] The internal air valve is controlled to be in the closed state, while the side air valve and the upper air valve are in the open state.

[0130] This invention provides a multi-heat pump system comprised of a first heat pump system, a second heat pump system, a housing, an inner air valve, a side air valve, and an upper air valve. The inner air valve, the first heat pump system, and the second heat pump system are located inside the housing, and are connected via the inner air valve. The side air valve is located on the sides of the first and second heat pump systems and is connected to them. The upper air valve is located above the first heat pump system and is connected to it. The inner air valve, the side air valve, and the upper air valve are used to open or close under different operating modes to facilitate heat exchange between the first and second heat pump systems. Multiple operating modes can be achieved by controlling the inner air valve, the side air valve, and the upper air valve. Mode switching can be completed simply by switching the air valves, effectively expanding the applicable scenarios of the heat pump system, improving its adaptability, and meeting complex and ever-changing engineering needs.

[0131] The memory may include random access memory (RAM) or non-volatile memory, such as at least one disk storage device. Optionally, the memory may also be at least one storage device located remotely from the aforementioned processor.

[0132] The processors mentioned above can be general-purpose processors, including central processing units (CPUs), network processors (NPs), etc.; they can also be digital signal processors (DSPs), application-specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs), or other programmable logic devices, discrete gate or transistor logic devices, or discrete hardware components.

[0133] Reference Figure 8 The present invention also provides a computer-readable storage medium 801, on which a computer program is stored, and the computer program is executed by a processor to perform the control method of the multi-heat pump system as described in any one of the embodiments of the present invention.

[0134] The multi-heat pump system includes: a first heat pump system, a second heat pump system, a housing, an inner air valve, a side air valve, and an upper air valve; the inner air valve, the first heat pump system, and the second heat pump system are disposed inside the housing, and the first heat pump system and the second heat pump system are connected through the inner air valve; the side air valve is disposed on the side of the first heat pump system and the second heat pump system, and the side air valve is connected to the first heat pump system; the upper air valve is disposed above the first heat pump system, and the upper air valve is connected to the first heat pump system; the control method of the multi-heat pump system includes:

[0135] Receive operating mode setting instructions;

[0136] According to the operating mode corresponding to the operating mode setting instruction, the state of at least one of the inner air valve, the side air valve, and the upper air valve is controlled so that the first heat pump system and the second heat pump system can exchange heat.

[0137] Optionally, the first heat pump system includes: a first water-side heat exchanger, a first cooling fan, and a first heat exchange fin; the second heat pump system includes: a second water-side heat exchanger, a second cooling fan, and a second heat exchange fin.

[0138] Optionally, the operating mode setting command corresponds to a parallel operating mode; the step of controlling the state of at least one of the internal air valve, the side air valve, and the upper air valve includes:

[0139] The internal air valve is controlled to be in the closed state, while the upper air valve and the side air valve are in the open state.

[0140] Optionally, the operation mode setting command corresponds to a series operation mode, wherein the inlet end of the first water-side heat exchanger is connected to the outlet end of the second water-side heat exchanger.

[0141] Optionally, the multi-heat pump system further includes: a first water coil indoor unit and a domestic hot water tank, a second water-side heat exchanger connected to the first water coil indoor unit, and the first water-side heat exchanger connected to the domestic hot water tank; the operating mode setting command corresponds to the non-connected air duct cold recovery operating mode, and the step of controlling the state of at least one of the internal air valve, the side air valve, and the upper air valve includes:

[0142] Detect the cooling water outlet temperature and domestic hot water temperature of the second heat pump system;

[0143] In response to the cooling water temperature being higher than a preset cooling temperature threshold and the domestic hot water temperature being lower than a preset hot water temperature threshold, the upper air valve is controlled to be closed and the side air valve is controlled to be closed, while the inner air valve is controlled to be open.

[0144] In response to the cooling water temperature being higher than a preset cooling temperature threshold and the domestic hot water temperature not being lower than a preset hot water temperature threshold, the upper air valve and the side air valve are controlled to be closed, and the inner air valve is controlled to be open.

[0145] In response to the cooling water outlet temperature not being higher than the preset cooling temperature threshold, the internal air valve is controlled to be in the closed state.

[0146] Optionally, the multi-heat pump system further includes: an external air duct, a first water coil indoor unit and a domestic hot water tank, a second water-side heat exchanger connected to the first water coil indoor unit, and the first water-side heat exchanger connected to the domestic hot water tank; the air outlet of the upper air valve and the air inlet of the first heat exchange fin are connected to one side of the external air duct, and an organic external air valve is installed on the other side of the external air duct; the operating mode setting command corresponds to the air duct cold recovery operating mode, and the step of controlling the state of at least one of the inner air valve, the side air valve and the upper air valve includes:

[0147] Detect the cooling water outlet temperature and domestic hot water temperature of the second heat pump system;

[0148] In response to the cooling water temperature being higher than a preset cooling temperature threshold and the domestic hot water temperature being lower than a preset hot water temperature threshold, the upper air valve is controlled to be in the open state and the side air valve is controlled to be in the closed state.

[0149] In response to the cooling water temperature being higher than a preset cooling temperature threshold and the domestic hot water temperature not being lower than a preset hot water temperature threshold, the upper air valve and the side air valve are controlled to be closed, and the external air valve and the internal air valve are controlled to be open.

[0150] In response to the cooling water outlet temperature not being higher than the preset cooling temperature threshold, the external air valve and the side air valve are open, while the internal air valve and the upper air valve are closed.

[0151] Optionally, the multi-heat pump system further includes: a second water coil indoor unit, a third water coil indoor unit, and a water coil outdoor unit; one end of the second water coil indoor unit is connected to the outlet of the second water-side heat exchanger, and the other end is connected to the inlet of the first water-side heat exchanger; one end of the third water coil indoor unit is connected to the outlet of the first water-side heat exchanger, and the other end of the third water coil indoor unit is connected to one end of the water coil outdoor unit, and the other end of the water coil outdoor unit is connected to the inlet of the second water-side heat exchanger; the operating mode setting command corresponds to a constant temperature dehumidification operating mode, and the step of controlling the state of at least one of the internal air valve, the side air valve, and the upper air valve includes:

[0152] The side air valve and the top air valve are controlled to be in the closed state, and the inner air valve is controlled to be in the open state; or,

[0153] The internal air valve is controlled to be in the closed state, while the side air valve and the upper air valve are in the open state.

[0154] This invention provides a multi-heat pump system comprised of a first heat pump system, a second heat pump system, a housing, an inner air valve, a side air valve, and an upper air valve. The inner air valve, the first heat pump system, and the second heat pump system are located inside the housing, and are connected via the inner air valve. The side air valve is located on the sides of the first and second heat pump systems and is connected to them. The upper air valve is located above the first heat pump system and is connected to it. The inner air valve, the side air valve, and the upper air valve are used to open or close under different operating modes to facilitate heat exchange between the first and second heat pump systems. Multiple operating modes can be achieved by controlling the inner air valve, the side air valve, and the upper air valve. Mode switching can be completed simply by switching the air valves, effectively expanding the applicable scenarios of the heat pump system, improving its adaptability, and meeting complex and ever-changing engineering needs.

[0155] This invention also discloses an air conditioning unit, including the multi-heat pump system described above.

[0156] The multi-heat pump system includes: a first heat pump system, a second heat pump system, a housing, an inner air valve, a side air valve, and an upper air valve;

[0157] The internal air valve, the first heat pump system, and the second heat pump system are disposed inside the housing, and the first heat pump system and the second heat pump system are connected through the internal air valve.

[0158] The side air valve is disposed on the side of the first heat pump system and the second heat pump system, and the side air valve is connected to the first heat pump system and the second heat pump system.

[0159] The upper air valve is located above the first heat pump system and is connected to the first heat pump system.

[0160] The internal air valve, the side air valve, and the upper air valve are used to open or close in different operating modes to enable heat exchange between the first heat pump system and the second heat pump system.

[0161] Optionally, the first heat pump system includes: a first water-side heat exchanger, a first cooling fan, and a first heat exchange fin; the second heat pump system includes: a second water-side heat exchanger, a second cooling fan, and a second heat exchange fin.

[0162] Optionally, in parallel operation mode, the internal air valve is closed, and the upper air valve and the side air valve are open; the heat exchange path of the first heat pump system is from the first heat exchange fins to the upper air valve, and the heat exchange path of the second heat pump system is from the side air valve to the second cooling fan.

[0163] Optionally, in series operation mode, the inlet of the first water-side heat exchanger is connected to the outlet of the second water-side heat exchanger; the inner air valve is in the closed state, and the upper air valve and the side air valve are in the open state.

[0164] Optionally, it also includes: an indoor unit with a first water coil and a domestic hot water tank.

[0165] The second water-side heat exchanger is connected to the first water coil indoor unit, and the first water-side heat exchanger is connected to the domestic hot water tank.

[0166] Optionally, it also includes: an external air duct,

[0167] The air outlet of the upper air valve and the air inlet of the first heat exchange fin are connected to one side of the external air duct, and an organic external air valve is installed on the other side of the external air duct.

[0168] Optionally, it also includes: a second water coil indoor unit, a third water coil indoor unit, and a water coil outdoor unit.

[0169] One end of the second water coil indoor unit is connected to the outlet end of the second water-side heat exchanger, and the other end is connected to the inlet end of the first water-side heat exchanger.

[0170] One end of the third water coil indoor unit is connected to the outlet end of the first water-side heat exchanger, the other end of the third water coil indoor unit is connected to one end of the water coil outdoor unit, and the other end of the water coil outdoor unit is connected to the inlet end of the second water-side heat exchanger.

[0171] This invention provides a multi-heat pump system comprised of a first heat pump system, a second heat pump system, a housing, an inner air valve, a side air valve, and an upper air valve. The inner air valve, the first heat pump system, and the second heat pump system are located inside the housing, and are connected via the inner air valve. The side air valve is located on the sides of the first and second heat pump systems and is connected to them. The upper air valve is located above the first heat pump system and is connected to it. The inner air valve, the side air valve, and the upper air valve are used to open or close under different operating modes to facilitate heat exchange between the first and second heat pump systems. Multiple operating modes can be achieved by controlling the inner air valve, the side air valve, and the upper air valve. Mode switching can be completed simply by switching the air valves, effectively expanding the applicable scenarios of the heat pump system, improving its adaptability, and meeting complex and ever-changing engineering needs.

[0172] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0173] Those skilled in the art will understand that embodiments of the present invention can be provided as methods, apparatus, or computer program products. Therefore, embodiments of the present invention can take the form of entirely hardware embodiments, entirely software embodiments, or embodiments combining software and hardware aspects. Furthermore, embodiments of the present invention can take the form of computer program products implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0174] This invention is described with reference to flowchart illustrations and / or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the invention. It will be understood that each block of the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, special-purpose computer, embedded processor, or other programmable data processing terminal device to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal device, generate instructions for implementing the flowchart illustrations and / or block diagrams. Figure 1 One or more processes and / or boxes Figure 1 A device that provides the functions specified in one or more boxes.

[0175] These computer program instructions may also be stored in a computer-readable storage medium that can direct a computer or other programmable data processing terminal device to operate in a particular manner, such that the instructions stored in the computer-readable storage medium produce an article of manufacture including instruction means, which are implemented in a process Figure 1 One or more processes and / or boxes Figure 1 The function specified in one or more boxes.

[0176] These computer program instructions can also be loaded onto a computer or other programmable data processing terminal equipment, causing a series of operational steps to be performed on the computer or other programmable terminal equipment to produce a computer-implemented process, thereby providing instructions that execute on the computer or other programmable terminal equipment for implementing the process. Figure 1 One or more processes and / or boxes Figure 1 The steps of the function specified in one or more boxes.

[0177] Although preferred embodiments of the present invention have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of the embodiments of the present invention.

[0178] Finally, it should be noted that in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or terminal device that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or terminal device. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or terminal device that includes said element.

[0179] The foregoing has provided a detailed description of a multi-heat pump system, a control method for a multi-heat pump system, an electronic device, and a storage medium provided by the present invention. Specific examples have been used to illustrate the principles and implementation methods of the present invention. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of the present invention. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of the present invention. Therefore, the content of this specification should not be construed as a limitation of the present invention.

Claims

1. A multiple heat pump system, characterized by, Comprise: The first heat pump system, the second heat pump system, the shell, the inner air valve, the side air valve and the upper air valve; The inner air valve, the first heat pump system and the second heat pump system are arranged inside the shell, and the first heat pump system and the second heat pump system are connected through the inner air valve; The side air valve is arranged on the side of the first heat pump system and the second heat pump system, and the side air valve is connected with the first heat pump system and the second heat pump system; The upper air valve is arranged above the first heat pump system, and the upper air valve is connected with the first heat pump system; The inner air valve, the side air valve and the upper air valve are used to open or close in different operation modes, so that the first heat pump system and the second heat pump system exchange heat.

2. The multiple heat pump system of claim 1, wherein, The first heat pump system comprises a first water side heat exchanger, a first heat dissipation fan and a first heat exchange fin; the second heat pump system comprises a second water side heat exchanger, a second heat dissipation fan and a second heat exchange fin.

3. The multiple heat pump system of claim 2, wherein, In parallel operation mode, the inner air valve is in closed state, and the upper air valve and the side air valve are in open state; the heat exchange path of the first heat pump system is from the first heat exchange fin to the output of the upper air valve, and the heat exchange path of the second heat pump system is from the side air valve to the output of the second heat dissipation fan.

4. The multiple heat pump system of claim 2, wherein, In series operation mode, the water inlet end of the first water side heat exchanger is connected with the water outlet end of the second water side heat exchanger; the inner air valve is in closed state, and the upper air valve and the side air valve are in open state.

5. The multiple heat pump system of claim 2, wherein, Further comprise: The first water coil indoor unit and the domestic hot water tank, The second water side heat exchanger is connected with the first water coil indoor unit, and the first water side heat exchanger is connected with the domestic hot water tank.

6. The multiple heat pump system of claim 5, wherein, Further comprise: The external air duct, The air outlet of the upper air valve and the air inlet of the first heat exchange fin are connected with one side of the external air duct, and the other side of the external air duct is provided with an external air valve.

7. The multiple heat pump system of claim 2, wherein, Further comprise: The second water coil indoor unit, the third water coil indoor unit and the water coil outdoor unit, One end of the second water coil indoor unit is connected with the water outlet end of the second water side heat exchanger, and the other end is connected with the water inlet end of the first water side heat exchanger; One end of the third water coil indoor unit is connected with the water outlet end of the first water side heat exchanger, the other end of the third water coil indoor unit is connected with one end of the water coil outdoor unit, and the other end of the water coil outdoor unit is connected with the water inlet end of the second water side heat exchanger.

8. A control method of a multi-heat pump system, characterized by, The multi-heat pump system comprises: a first heat pump system, a second heat pump system, a shell, an inner air valve, a side air valve and an upper air valve; the inner air valve, the first heat pump system and the second heat pump system are arranged inside the shell, and the first heat pump system and the second heat pump system are connected through the inner air valve; the side air valve is arranged on the side of the first heat pump system and the second heat pump system, and the side air valve is connected with the first heat pump system and the second heat pump system; the upper air valve is arranged above the first heat pump system, and the upper air valve is connected with the first heat pump system; the method comprises: Receive operation mode setting instruction; According to the operation mode setting instruction, a corresponding operation mode is set, and states of at least one of the inner air valve, the side air valve and the upper air valve are controlled, so that the first heat pump system and the second heat pump system exchange heat.

9. The method of claim 8, wherein, The first heat pump system comprises a first water-side heat exchanger, a first heat dissipation fan and first heat exchange fins; and the second heat pump system comprises a second water-side heat exchanger, a second heat dissipation fan and second heat exchange fins.

10. The method of claim 9, wherein, The operation mode setting instruction corresponds to a parallel operation mode; and the step of controlling the states of at least one of the inner air valve, the side air valve and the upper air valve comprises: controlling the inner air valve to be in a closed state, and the upper air valve and the side air valve to be in an open state.

11. The method of claim 9, wherein, The operation mode setting instruction corresponds to a series operation mode, and a water inlet end of the first water-side heat exchanger is connected with a water outlet end of the second water-side heat exchanger.

12. The method of claim 9, wherein, The multi-heat pump system further comprises a first water coil indoor unit and a domestic hot water tank, the second water-side heat exchanger is connected with the first water coil indoor unit, and the first water-side heat exchanger is connected with the domestic hot water tank; the operation mode setting instruction corresponds to an air duct cold recovery operation mode without connection, and the step of controlling the states of at least one of the inner air valve, the side air valve and the upper air valve comprises: detecting a refrigeration outlet water temperature and a domestic hot water temperature of the second heat pump system; in response to the refrigeration outlet water temperature being higher than a preset refrigeration temperature threshold and the domestic hot water temperature being lower than a preset hot water temperature threshold, controlling the upper air valve to be closed and the side air valve to be in a closed state, and the inner air valve to be in an open state; in response to the refrigeration outlet water temperature being higher than the preset refrigeration temperature threshold and the domestic hot water temperature not being lower than the preset hot water temperature threshold, controlling the upper air valve and the side air valve to be in a closed state, and the inner air valve to be in an open state; in response to the refrigeration outlet water temperature not being higher than the preset refrigeration temperature threshold, controlling the inner air valve to be in a closed state.

13. The method of claim 9, wherein, The multi-heat pump system further comprises an external air duct, a first water coil indoor unit and a domestic hot water tank, the second water-side heat exchanger is connected with the first water coil indoor unit, and the first water-side heat exchanger is connected with the domestic hot water tank; an air outlet of the upper air valve and an air inlet of the first heat exchange fins are connected with one side of the external air duct, and an external air valve is installed on the other side of the external air duct; the operation mode setting instruction corresponds to an air duct cold recovery operation mode with connection, and the step of controlling the states of at least one of the inner air valve, the side air valve and the upper air valve comprises: detecting a refrigeration outlet water temperature and a domestic hot water temperature of the second heat pump system; in response to the refrigeration outlet water temperature being higher than a preset refrigeration temperature threshold and the domestic hot water temperature being lower than a preset hot water temperature threshold, controlling the upper air valve to be in an open state and the side air valve to be in a closed state; in response to the refrigeration outlet water temperature being higher than the preset refrigeration temperature threshold and the domestic hot water temperature not being lower than the preset hot water temperature threshold, controlling the upper air valve and the side air valve to be in a closed state, and the external air valve and the inner air valve to be in an open state; In response to the chilled water outlet temperature being not higher than a preset chilled temperature threshold, the outdoor air valve and the side air valve are opened, and the indoor air valve and the upper air valve are closed.

14. The method of claim 9, wherein, The multi-heat pump system further comprises a second water coil indoor unit, a third water coil indoor unit and a water coil outdoor unit, one end of the second water coil indoor unit is connected with the second water side heat exchanger outlet water end, and the other end is connected with the first water side heat exchanger inlet water end; one end of the third water coil indoor unit is connected with the first water side heat exchanger outlet water end, and the other end of the third water coil indoor unit is connected with one end of the water coil outdoor unit, and the other end of the water coil outdoor unit is connected with the second water side heat exchanger inlet water end; the operation mode setting instruction corresponds to a constant temperature dehumidification operation mode, and the step of controlling the state of at least one of the indoor air valve, the side air valve and the upper air valve comprises: controlling the side air valve and the upper air valve to be in a closed state, and the indoor air valve to be in an open state; or, controlling the indoor air valve to be in a closed state, and the side air valve and the upper air valve to be in an open state.

15. An electronic device, comprising: The computer program is stored on the computer readable storage medium and is executed by the processor to realize the steps of the control method of the multi-heat pump system according to any one of claims 8-14.

16. A computer-readable storage medium, characterized in that, The computer program is stored on the computer readable storage medium and is executed by the processor to realize the steps of the control method of the multi-heat pump system according to any one of claims 8-14.

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