Air conditioning system control method and device, electronic equipment and storage medium

Abstract

The present disclosure relates to an air conditioning system control method, device, electronic equipment and storage medium. The method comprises: obtaining a current operation mode of a fluorine pump air conditioning system; in response to satisfying a mode switching trigger condition corresponding to the current operation mode, determining a predicted refrigeration efficiency of the fluorine pump air conditioning system based on a to-be-switched operation mode of the current operation mode; the predicted refrigeration efficiency is obtained by simulating the operation of the fluorine pump air conditioning system in the to-be-switched operation mode; obtaining the current refrigeration efficiency of the fluorine pump air conditioning system in the current operation mode; in the case where the predicted refrigeration efficiency is greater than or equal to the current refrigeration efficiency, controlling the fluorine pump air conditioning system to switch to the to-be-switched operation mode. The present method realizes the control optimization of the mode switching of the fluorine pump air conditioning system, can improve the success rate of mode switching, ensure the temperature stability of the data center room, and improve the mode switching efficiency of the fluorine pump air conditioning system.

Description

Technical Field

[0001] This disclosure relates to the field of air conditioning control, and in particular to an air conditioning system control method, device, electronic equipment and storage medium. Background Technology

[0002] Currently, when switching modes in integrated or split refrigerant pump air conditioners, the control logic for mode switching is relatively crude, resulting in a low success rate for mode switching. Furthermore, there are cases where the operating power of the refrigerant pump air conditioner after mode switching is not necessarily lower than that before switching, leading to low mode switching efficiency for refrigerant pump air conditioners. Summary of the Invention

[0003] This disclosure provides an air conditioning system control method, apparatus, electronic device, and storage medium to at least solve the problem of low mode switching efficiency in refrigerant pump air conditioning systems in related technologies. The technical solution of this disclosure is as follows:

[0004] According to a first aspect of the present disclosure, an air conditioning system control method is provided, comprising:

[0005] Obtain the current operating mode of the refrigerant pump air conditioning system;

[0006] In response to the satisfaction of the mode switching trigger condition corresponding to the current operating mode, the predicted cooling efficiency of the refrigerant pump air conditioning system is determined based on the operating mode to be switched to in the current operating mode; the predicted cooling efficiency is obtained by simulating the operation of the refrigerant pump air conditioning system in the operating mode to be switched to.

[0007] The system obtains the current cooling efficiency of the refrigerant pump air conditioning system in the current operating mode, and controls the refrigerant pump air conditioning system to switch to the operating mode to be switched when the predicted cooling efficiency is greater than or equal to the current cooling efficiency.

[0008] In one possible implementation, the step of determining the predicted cooling efficiency of the refrigerant pump air conditioning system based on the operating mode to be switched to, in response to satisfying the mode switching trigger condition corresponding to the current operating mode, includes:

[0009] In response to the satisfaction of the mode switching trigger condition corresponding to the current operating mode, the predicted cooling capacity and predicted power of the refrigerant pump air conditioning system in the operating mode to be switched to in the current operating mode are obtained;

[0010] The predicted cooling efficiency is obtained based on the predicted cooling capacity and the predicted power.

[0011] Obtaining the current cooling efficiency of the refrigerant pump air conditioning system in the current operating mode includes:

[0012] The current cooling capacity and current power of the refrigerant pump air conditioning system in the current operating mode are obtained, and the current cooling efficiency is obtained based on the current cooling capacity and the current power.

[0013] In one possible implementation, controlling the refrigerant pump air conditioning system to switch to the desired operating mode when the predicted cooling efficiency is greater than or equal to the current cooling efficiency includes:

[0014] When the predicted cooling capacity is greater than or equal to the current cooling capacity, and the predicted power is less than or equal to the current power, the refrigerant pump air conditioning system is controlled to switch to the operating mode to be switched.

[0015] In one possible implementation, the mode switching trigger condition includes a first trigger condition that triggers switching to the pump operation mode. The step of obtaining the predicted cooling capacity and predicted power of the refrigerant pump air conditioning system in the desired operation mode of the current operation mode in response to satisfying the mode switching trigger condition corresponding to the current operation mode includes:

[0016] If the current operating mode is compressor operating mode, confirm that the operating mode to be switched to is pump operating mode;

[0017] In response to the fulfillment of the first triggering condition, the first predicted cooling capacity and the first predicted power of the refrigerant pump air conditioning system in the pump operation mode are obtained.

[0018] In one possible implementation, the refrigerant pump air conditioning system includes at least two subsystems, and the step of obtaining the first predicted cooling capacity of the refrigerant pump air conditioning system in the pump operation mode in response to satisfying the first trigger condition includes:

[0019] Obtain the first predicted cooling capacity corresponding to the target subsystem in the at least two subsystems; wherein, in the compressor operation mode, the refrigerant pump corresponding to each subsystem in the at least two subsystems is in a closed state, the first predicted cooling capacity is the cooling capacity simulating the refrigerant pump corresponding to the target subsystem when it is switched to full-load operation, the target subsystem is the subsystem whose refrigerant pump is switched from a closed state to a full-load operation state, and the refrigerant pumps corresponding to non-target subsystems other than the target subsystem in the at least two subsystems are in a closed state;

[0020] Determine the cooling capacity of the compressor after frequency conversion for the non-target subsystem in the at least two subsystems;

[0021] The first predicted cooling capacity is obtained based on the first predicted cooling capacity and the cooling capacity of the compressor after frequency conversion.

[0022] In one possible implementation, the mode switching trigger condition includes a second trigger condition that triggers a switch to a pure pump operation mode. The step of obtaining the predicted cooling capacity and predicted power of the refrigerant pump air conditioning system in the desired operation mode of the current operation mode in response to satisfying the mode switching trigger condition corresponding to the current operation mode includes:

[0023] If the current operating mode is the pump operating mode, confirm that the operating mode to be switched to is the pure pump operating mode;

[0024] In response to the fulfillment of the second triggering condition, the second predicted cooling capacity and the second predicted power of the refrigerant pump air conditioning system in the pure pump operation mode are obtained.

[0025] In one possible implementation, the refrigerant pump air conditioning system includes at least two subsystems, and the step of obtaining the second predicted cooling capacity of the refrigerant pump air conditioning system in the pure pump operation mode in response to satisfying the second trigger condition includes:

[0026] Obtain the second predicted cooling capacity corresponding to the non-target subsystem in the at least two subsystems; wherein, in the pump operation mode, the refrigerant pump corresponding to the target subsystem in the at least two subsystems is in full-load operation state, and the refrigerant pump corresponding to the non-target subsystem is in a closed state.

[0027] Determine the full-load cooling capacity of the refrigerant pump corresponding to the target subsystem;

[0028] The second predicted cooling capacity is obtained based on the second predicted cooling capacity and the cooling capacity of the refrigerant pump at full load.

[0029] In one possible implementation, prior to the step of controlling the refrigerant pump air conditioning system to switch to the desired operating mode, the method further includes:

[0030] The preset air supply temperature of the refrigerant pump air conditioning system is adjusted according to preset information; the preset information is used to instruct the refrigerant pump air conditioning system to reduce the preset air supply temperature by a preset value.

[0031] The control of the refrigerant pump air conditioning system to switch to the desired operating mode includes:

[0032] Based on the adjusted preset air supply temperature, the refrigerant pump air conditioning system is controlled to switch to the operating mode to be switched.

[0033] According to a second aspect of the present disclosure, an air conditioning system control device is provided, comprising:

[0034] The current operating mode acquisition unit is configured to acquire the current operating mode of the refrigerant pump air conditioning system.

[0035] The predictive cooling efficiency determination unit is configured to perform a response to a mode switching trigger condition corresponding to the current operating mode, and to determine the predicted cooling efficiency of the refrigerant pump air conditioning system based on the operating mode to be switched to from the current operating mode; the predicted cooling efficiency is obtained by simulating the operation of the refrigerant pump air conditioning system in the operating mode to be switched to.

[0036] The operating mode switching unit is configured to acquire the current cooling efficiency of the refrigerant pump air conditioning system in the current operating mode, and control the refrigerant pump air conditioning system to switch to the operating mode to be switched if the predicted cooling efficiency is greater than or equal to the current cooling efficiency.

[0037] In one possible implementation, the predicted cooling efficiency determination unit is specifically configured to perform an action in response to a mode switching trigger condition corresponding to the current operating mode, to obtain the predicted cooling capacity and predicted power of the refrigerant pump air conditioning system in the operating mode to be switched to in the current operating mode; and to obtain the predicted cooling efficiency based on the predicted cooling capacity and the predicted power.

[0038] The operating mode switching unit is specifically configured to acquire the current cooling capacity and current power of the refrigerant pump air conditioning system in the current operating mode, and obtain the current cooling efficiency based on the current cooling capacity and current power.

[0039] In one possible implementation, the operating mode switching unit is specifically configured to control the refrigerant pump air conditioning system to switch to the operating mode to be switched when the predicted cooling capacity is greater than or equal to the current cooling capacity and the predicted power is less than or equal to the current power.

[0040] In one possible implementation, the mode switching trigger condition includes a first trigger condition that triggers switching to the pump operation mode. The predicted cooling efficiency determination unit is specifically configured to, when the current operation mode is the compressor operation mode, confirm that the operation mode to be switched to is the pump operation mode; and in response to satisfying the first trigger condition, obtain the first predicted cooling capacity and the first predicted power of the refrigerant pump air conditioning system in the pump operation mode.

[0041] In one possible implementation, the refrigerant pump air conditioning system includes at least two subsystems. The predicted cooling efficiency determination unit is specifically configured to perform the following: obtaining a first predicted cooling capacity corresponding to a target subsystem in the at least two subsystems; wherein, in the compressor operating mode, the refrigerant pumps corresponding to each of the at least two subsystems are in a closed state; the first predicted cooling capacity is the cooling capacity simulating the refrigerant pump corresponding to the target subsystem switching to full-load operation; the target subsystem is the subsystem whose refrigerant pump switches from a closed state to a full-load operation state; and the refrigerant pumps corresponding to non-target subsystems in the at least two subsystems are in a closed state; determining the compressor's frequency conversion cooling capacity corresponding to the non-target subsystems in the at least two subsystems; and obtaining the first predicted cooling capacity based on the first predicted cooling capacity and the compressor's frequency conversion cooling capacity.

[0042] In one possible implementation, the mode switching trigger condition includes a second trigger condition that triggers switching to a pure pump operation mode. The predicted cooling efficiency determination unit is specifically configured to, when the current operation mode is a pressure pump operation mode, confirm that the operation mode to be switched to is a pure pump operation mode; and in response to satisfying the second trigger condition, obtain the second predicted cooling capacity and the second predicted power of the refrigerant pump air conditioning system in the pure pump operation mode.

[0043] In one possible implementation, the refrigerant pump air conditioning system includes at least two subsystems. The predicted cooling efficiency determination unit is specifically configured to perform the following: obtaining a second predicted cooling capacity corresponding to a non-target subsystem in the at least two subsystems; wherein, in the pump operation mode, the refrigerant pump corresponding to the target subsystem in the at least two subsystems is in a full-load operation state, and the refrigerant pump corresponding to the non-target subsystem is in a closed state; determining the full-load cooling capacity of the refrigerant pump corresponding to the target subsystem; and obtaining the second predicted cooling capacity based on the second predicted cooling capacity and the full-load cooling capacity of the refrigerant pump.

[0044] In one possible implementation, the air conditioning system control device further includes:

[0045] The air supply temperature regulating unit is specifically configured to adjust the preset air supply temperature of the refrigerant pump air conditioning system according to preset information; the preset information is used to instruct the refrigerant pump air conditioning system to reduce the preset air supply temperature by a preset value.

[0046] The operating mode switching unit is specifically configured to control the refrigerant pump air conditioning system to switch to the operating mode to be switched based on the adjusted preset air supply temperature.

[0047] According to a third aspect of the present disclosure, an electronic device is provided, comprising:

[0048] processor;

[0049] Memory used to store the processor's executable instructions;

[0050] The processor is configured to execute the instructions to implement the air conditioning system control method as described in any of the preceding claims.

[0051] According to a fourth aspect of the present disclosure, a computer-readable storage medium is provided, wherein when instructions in the computer-readable storage medium are executed by a processor of an electronic device, the electronic device is enabled to perform the air conditioning system control method as described in any of the preceding claims.

[0052] According to a fifth aspect of the present disclosure, a computer program product is provided, the computer program product including instructions that, when executed by a processor of an electronic device, enable the electronic device to perform the air conditioning system control method as described in any of the preceding claims.

[0053] The technical solutions provided by the embodiments of this disclosure bring at least the following beneficial effects:

[0054] The disclosed solution obtains the current operating mode of the refrigerant pump air conditioning system, and then, in response to the satisfaction of the mode switching trigger condition corresponding to the current operating mode, determines the predicted cooling efficiency of the refrigerant pump air conditioning system based on the next operating mode to be switched to. This predicted cooling efficiency is obtained by simulating the refrigerant pump air conditioning system in the operating mode to be switched to. Furthermore, the current cooling efficiency of the refrigerant pump air conditioning system in the current operating mode is obtained. If the predicted cooling efficiency is greater than or equal to the current cooling efficiency, the refrigerant pump air conditioning system is controlled to switch to the next operating mode to be switched to. In this way, control optimization for mode switching of the refrigerant pump air conditioning system is achieved. When the mode switching trigger condition is detected, the predicted cooling efficiency is determined based on the next operating mode to be switched to, and then the mode switching is controlled based on the comparison between the predicted cooling efficiency and the current cooling efficiency. This improves the success rate of mode switching, ensures the temperature stability of the data center computer room, avoids overheating of the computer room due to reduced cooling capacity, and improves the mode switching efficiency of the refrigerant pump air conditioning system.

[0055] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and are not intended to limit this disclosure. Attached Figure Description

[0056] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this disclosure and, together with the description, serve to explain the principles of this disclosure, and are not intended to unduly limit this disclosure.

[0057] Figure 1This is a flowchart illustrating an air conditioning system control method according to an exemplary embodiment.

[0058] Figure 2a This is a schematic diagram illustrating a compressor operating mode according to an exemplary embodiment.

[0059] Figure 2b This is a schematic diagram illustrating a pump operating mode according to an exemplary embodiment.

[0060] Figure 2c This is a schematic diagram illustrating a pure pump operation mode according to an exemplary embodiment.

[0061] Figure 3 This is a schematic diagram illustrating a mode switching process for a refrigerant pump air conditioning system according to an exemplary embodiment.

[0062] Figure 4 This is a flowchart illustrating another air conditioning system control method according to an exemplary embodiment.

[0063] Figure 5 This is a block diagram illustrating an air conditioning system control device according to an exemplary embodiment.

[0064] Figure 6 This is a block diagram illustrating an electronic device according to an exemplary embodiment. Detailed Implementation

[0065] To enable those skilled in the art to better understand the technical solutions of this disclosure, the technical solutions in the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings.

[0066] It should be noted that the terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this disclosure are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this disclosure described herein can be implemented in orders other than those illustrated or described herein. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this disclosure.

[0067] It should also be noted that the user information (including but not limited to user device information, user personal information, etc.) and data (including but not limited to data used for display, data used for analysis, etc.) involved in this disclosure are all information and data authorized by the user or fully authorized by all parties.

[0068] Figure 1 This is a flowchart illustrating an air conditioning system control method according to an exemplary embodiment, such as... Figure 1As shown in the illustration, this embodiment uses the method applied to a terminal as an example. It can be understood that the method can also be applied to a server, and can also be applied to a system including a terminal and a server, and implemented through the interaction between the terminal and the server. In this embodiment, the method includes the following steps.

[0069] In step S110, the current operating mode of the refrigerant pump air conditioning system is obtained;

[0070] The operating modes of the refrigerant pump air conditioning system can include compressor operating mode, pump operating mode, and pure pump operating mode. For example, it can switch from compressor operating mode to pump operating mode, or from pump operating mode to pure pump operating mode.

[0071] As an example, a refrigerant pump air conditioning system can be configured in a data center server room. By adjusting the cooling output, it can prevent large temperature fluctuations in the data center operating environment caused by the heat generated by IT equipment. For example, in compressor operation mode, the air conditioning equipment can use compressor cooling; in pump operation mode, it can combine outdoor natural cold source and compressor for mixed cooling; in pure pump operation mode, the compressor can be stopped and the refrigerant pump can be turned on to provide cooling output, so as to make full use of outdoor natural cold source.

[0072] In practical applications, the current operating mode of the refrigerant pump air conditioning system can be obtained. When switching modes based on this current mode, a judgment can be made based on the predicted cooling efficiency of the next operating mode to determine whether to control the refrigerant pump air conditioning system to switch to the next operating mode. For example, when the compressor is in operation mode, the predicted cooling efficiency can be determined based on the compressor pump operation mode, or when the compressor pump is in operation mode, the predicted cooling efficiency can be determined based on the pure pump operation mode.

[0073] In step S120, in response to the mode switching trigger condition corresponding to the current operating mode being met, the predicted cooling efficiency of the refrigerant pump air conditioning system is determined based on the operating mode to be switched to in the current operating mode.

[0074] The mode switching trigger conditions may include different trigger conditions for switching between different operating modes, such as the first trigger condition when switching from compressor operating mode to pump operating mode, and the second trigger condition when switching from pump operating mode to pure pump operating mode.

[0075] As an example, the predicted cooling efficiency can be obtained by simulating the operation of the refrigerant pump air conditioning system in the operating mode to be switched. For example, the predicted cooling efficiency can be calculated based on the predicted cooling capacity and predicted power of the refrigerant pump air conditioning system in the next operating mode to be switched.

[0076] In a specific implementation, when the mode switching trigger condition corresponding to the current operating mode is detected, the predicted cooling capacity and predicted power of the refrigerant pump air conditioning system in the next operating mode to be switched to can be obtained based on the next operating mode to be switched to. Then, the predicted cooling efficiency can be obtained based on the predicted cooling capacity and predicted power, and further judgment can be made based on the predicted cooling efficiency.

[0077] In one example, if the system is currently in compressor operation mode, when the first trigger condition is detected, the first predicted cooling capacity and the first predicted power of the refrigerant pump air conditioning system in the pump operation mode can be obtained to obtain the predicted cooling efficiency of the refrigerant pump air conditioning system in the pump operation mode; if the system is currently in pump operation mode, when the second trigger condition is detected, the second predicted cooling capacity and the second predicted power of the refrigerant pump air conditioning system in the pure pump operation mode can be obtained to obtain the predicted cooling efficiency of the refrigerant pump air conditioning system in the pure pump operation mode.

[0078] In step S130, the current cooling efficiency of the refrigerant pump air conditioning system in the current operating mode is obtained. If the predicted cooling efficiency is greater than or equal to the current cooling efficiency, the refrigerant pump air conditioning system is controlled to switch to the operating mode to be switched.

[0079] After obtaining the predicted cooling efficiency, the current cooling efficiency of the refrigerant pump air conditioning system in the current operating mode can be obtained. By comparing the current cooling efficiency with the predicted cooling efficiency, if the predicted cooling efficiency is greater than or equal to the current cooling efficiency, the refrigerant pump air conditioning system can be controlled to switch to the next operating mode to be switched, thereby improving the success rate of mode switching.

[0080] In one example, a refrigerant pump air conditioning system may include at least two subsystems, such as two sets of systems, and the air conditioning system control method in this embodiment can be implemented based on the at least two subsystems; a refrigerant pump air conditioning system may also include one subsystem, such as one set of systems, and the air conditioning system control method in this embodiment can be implemented based on the one subsystem.

[0081] In the aforementioned air conditioning system control method, the current operating mode of the refrigerant pump air conditioning system is obtained. Then, in response to the mode switching trigger condition corresponding to the current operating mode, the predicted cooling efficiency of the refrigerant pump air conditioning system is determined based on the next operating mode to be switched to. The current cooling efficiency of the refrigerant pump air conditioning system under the current operating mode is then obtained. If the predicted cooling efficiency is greater than or equal to the current cooling efficiency, the refrigerant pump air conditioning system is controlled to switch to the next operating mode to be switched to. This achieves optimized control for mode switching of the refrigerant pump air conditioning system. When the mode switching trigger condition is detected, the predicted cooling efficiency is determined based on the next operating mode to be switched to, and then mode switching is controlled based on the comparison between the predicted cooling efficiency and the current cooling efficiency. This improves the success rate of mode switching, ensures the temperature stability of the data center computer room, avoids overheating of the computer room due to reduced cooling capacity, and improves the mode switching efficiency of the refrigerant pump air conditioning system.

[0082] In an exemplary embodiment, in response to satisfying the mode switching trigger condition corresponding to the current operating mode, determining the predicted cooling efficiency of the refrigerant pump air conditioning system based on the operating mode to be switched to in the current operating mode includes: in response to satisfying the mode switching trigger condition corresponding to the current operating mode, obtaining the predicted cooling capacity and predicted power of the refrigerant pump air conditioning system in the operating mode to be switched to in the current operating mode; obtaining the predicted cooling efficiency based on the predicted cooling capacity and predicted power; obtaining the current cooling efficiency of the refrigerant pump air conditioning system in the current operating mode includes: obtaining the current cooling capacity and current power of the refrigerant pump air conditioning system in the current operating mode, and obtaining the current cooling efficiency based on the current cooling capacity and current power.

[0083] In practical applications, when the mode switching trigger condition corresponding to the current operating mode is detected, the predicted cooling capacity and predicted power of the refrigerant pump air conditioning system in the next operating mode to be switched to can be obtained based on the next operating mode to be switched to. The predicted cooling efficiency can be obtained based on the predicted cooling capacity and predicted power. The current cooling capacity and current power of the refrigerant pump air conditioning system in the current operating mode can be obtained based on the current cooling capacity and current power. Further judgment can be made based on the predicted cooling efficiency and the current cooling efficiency.

[0084] In one example, based on a predictive model, the predicted cooling capacity and predicted power, as well as the current cooling capacity and current power, can be obtained as follows:

[0085] For compressors, a 10-coefficient model can be used:

[0086]

[0087] Among them, T e T cThese are the suction saturation temperature (i.e., evaporation temperature) and the discharge saturation temperature (i.e., condensation temperature), respectively. y is the compressor's cooling capacity, and c1 to c10 are fitting coefficients. The compressor's cooling capacity can be calculated based on the evaporation temperature and the condensation temperature.

[0088] For refrigerant pumps, the rated speed of the pump and the rated speed of the outdoor fan can be set. By testing the cooling capacity at different indoor and outdoor temperatures, a fitting formula can be obtained. For example, if the indoor temperature is 22-25℃ and the outdoor temperature is 5-22℃, the pump cooling capacity formula can be fitted point by point to obtain the formula for the refrigerant pump cooling capacity at different indoor and outdoor temperatures.

[0089] For indoor fans, test conditions can be preset, and the indoor fan power can be tested on-site to fit a formula for the indoor fan power under different load rates.

[0090] For outdoor fans, their speed can be controlled by the condensing pressure. The condensing temperature and condensing pressure are positively correlated, and the outdoor fan power is positively correlated with the outdoor fan speed. The relationship between condensing temperature / condensing pressure and fan speed can be obtained to obtain the fan power. Furthermore, by testing multiple sets of relationships between condensing pressure, fan speed, and fan power, the corresponding formula can be fitted.

[0091] Specifically, taking the switching from compressor operation mode to pump operation mode as an example, the cooling capacity Q1 of system 1 and the cooling capacity Q2 of system 2 can be obtained using a 10-factor model based on the evaporation temperature and condensation temperature. ΔQ 现 (i.e., current cooling capacity) = Q1 + Q2, and the compressor power can be collected by using an electric meter to obtain the power W1 of system 1 and the power W2 of system 2. Q1, Q2, W1, and W2 can be displayed on the screen of the refrigerant pump air conditioning equipment and uploaded to the host computer.

[0092] In one optional embodiment, taking the switch from compressor operation mode to refrigerant pump operation mode as an example, the current state is that the equipment's current operating cooling capacity is 200kW. Using compressor operation mode, the following data can be displayed in real-time on the refrigerant pump air conditioning equipment screen:

[0093] In the current state, Q1 (i.e., the cooling capacity of system 1 compressor), Q2 (i.e., the cooling capacity of system 2 compressor), and W... 压1 (i.e., the power of system 1 compressor), W 压2 (i.e., the power of system 2 compressor), W 内1 (i.e., the power of the fan in system 1), W 内2 (i.e., the power of the fan in system 2), W 外1 (i.e., the power of the external fan of System 1), W 外2 (i.e., the power of the external fan in System 2);

[0094] Predicting parameters that the fluorine pump can provide, Q B1(i.e., the cooling capacity of the system's first refrigerant pump), Q B2 (i.e., the cooling capacity of the system's 2-fluorine pump), W B1 (i.e., the power of the system's first fluorine pump), W B2 (i.e., the power of the fluorine pump in system 2), W′ 内1 (i.e., the power of the fan in system 1), W′ 内2 (i.e., the power of the fan in system 2), W′ 外1 (i.e., the power of the external fan of system 1), W′ 外2 (i.e., the power of the external fan of system 2).

[0095] The outdoor temperature is 18℃, Q1 = Q2 = 100kW, Q B1 =Q B2 =50kW, if switched to pump operation mode, Q B2 It can provide a cooling capacity of 50kW (which can be obtained if the refrigerant pump 2 and the outdoor fan 2 are operating at their rated power, W). B2 and W′ 外2 (Given the known conditions) Compressor 1 can provide a cooling capacity of 100kW, which can be boosted to provide a cooling capacity of 150kW. The evaporation temperature Te and condensation temperature Tc can be derived using a 10-coefficient model. The predicted outdoor fan power W′ can be obtained by fitting the outdoor fan power with the condensation temperature Tc and the outdoor fan speed using a formula. 外1 The indoor fan power remains unchanged before and after the mode switch, i.e., W. 内1 =W′ 内1 =W 内2 =W′ 内2 Due to ΔQ 现 (i.e., current cooling capacity) = (Q1 + Q2), ΔQ 预 (i.e., predicted cooling capacity) = (Q1′ + Q) B2 ), where Q1′ is the cooling capacity that the compressor can provide after frequency conversion; ΔW 现 (i.e., current power) = (W) 压1 +W 压2 +W 内1 +W 内2 +W 外1 +W 外2 ), ΔW 预 (i.e., predicted power) = (W1′ + W) B2 +W′ 内1 +W′ 内2 +W′ 外1 +W′ 外2 ), where W1′ is the power of the compressor after frequency conversion.

[0096] In the technical solution of this embodiment, by responding to the mode switching trigger condition corresponding to the current operating mode, the predicted cooling capacity and predicted power of the fluorine pump air conditioning system in the to-be-switched operating mode of the current operating mode are obtained. According to the predicted cooling capacity and predicted power, the predicted refrigeration efficiency is obtained, and the current cooling capacity and current power of the fluorine pump air conditioning system in the current operating mode are obtained. And according to the current cooling capacity and current power, the current refrigeration efficiency is obtained, which provides data support for the comparison and judgment of the predicted refrigeration efficiency and the current refrigeration efficiency.

[0097] In an exemplary embodiment, when the predicted refrigeration efficiency is greater than or equal to the current refrigeration efficiency, controlling the fluorine pump air conditioning system to switch to the to-be-switched operating mode includes: when the predicted cooling capacity is greater than or equal to the current cooling capacity and the predicted power is less than or equal to the current power, controlling the fluorine pump air conditioning system to switch to the to-be-switched operating mode.

[0098] In an example, the comparison and judgment can be made according to the cooling capacity after model switching (i.e., the predicted cooling capacity) and the cooling capacity of the original operating mode (i.e., the current cooling capacity), and according to the power after model switching (i.e., the predicted power) and the power of the original operating mode (i.e., the current power). Furthermore, when the cooling capacity after model switching is greater than or equal to the cooling capacity of the original operating mode and the power after model switching is less than or equal to the power of the original operating mode, it can be determined that the operating mode can be switched, so as to control the fluorine pump air conditioning system to switch to the next to-be-switched operating mode.

[0099] In the technical solution of this embodiment, by controlling the fluorine pump air conditioning system to switch to the to-be-switched operating mode when the predicted cooling capacity is greater than or equal to the current cooling capacity and the predicted power is less than or equal to the current power, it helps to improve the success rate of mode switching and can ensure the temperature stability of the data center computer room.

[0100] In an exemplary embodiment, the mode switching trigger condition may include a first trigger condition for triggering the switch to the pressure pump operation mode. By responding to the mode switching trigger condition corresponding to the current operating mode, obtaining the predicted cooling capacity and predicted power of the fluorine pump air conditioning system in the to-be-switched operating mode of the current operating mode includes: when the current operating mode is the compressor operation mode, confirming that the to-be-switched operating mode is the pressure pump operation mode; by responding to the satisfaction of the first trigger condition, obtaining the first predicted cooling capacity and the first predicted power of the fluorine pump air conditioning system in the pressure pump operation mode.

[0101] As an example, the first trigger condition may be that the outdoor ambient temperature is less than the outdoor set switching temperature in the compressor operation mode, such as T0 < Test1, and lasts for 1 min, and the current supply air temperature is lower than the preset supply air temperature in the compressor operation mode by 25%, and lasts for 30 s. It can also be preset as other trigger conditions, which are not specifically limited in this embodiment.

[0102] Taking the example of a fluorine pump air-conditioning system including at least two subsystems, for example Figure 2a As shown, in the compressor operation mode, the variable-frequency compressor 1 corresponding to System 1 in the fluorine pump air-conditioning system is turned on, the fluorine pump 1 is turned off, and the variable-frequency compressor 2 corresponding to System 2 is turned on, and the fluorine pump 2 is turned off; as Figure 2b As shown, in the pressure pump operation mode, the variable-frequency compressor 1 corresponding to System 1 is turned on, the fluorine pump 1 is turned off, the variable-frequency compressor 2 corresponding to System 2 is turned off, and the fluorine pump 2 is turned on.

[0103] In an example, if it is detected that the outdoor ambient temperature T0 < Test1 for 1 minute and the air supply temperature requirement ≤ -25% for 30 seconds (i.e., in response to meeting the first trigger condition), based on the to-be-switched pressure pump operation mode, the cooling capacity after the fluorine pump 2 of System 2 is turned on at full load can be estimated according to the fitting formula. Furthermore, based on the new cooling capacity obtained by increasing the rotational speed of the variable-frequency compressor of System 1 to rotational speed 1 and the estimated cooling capacity after the fluorine pump 2 is turned on at full load, the first predicted cooling capacity can be obtained, and the operating power of the fluorine pump air-conditioning system in the pressure pump operation mode (i.e., the first predicted power) can be estimated.

[0104] The technical solution of this embodiment, by confirming that the to-be-switched operation mode is the pressure pump operation mode when the current operation mode is the compressor operation mode, and in response to meeting the first trigger condition, obtaining the first predicted cooling capacity and the first predicted power of the fluorine pump air-conditioning system in the pressure pump operation mode, provides data support for the prediction of the cooling efficiency judgment when switching from the compressor operation mode to the pressure pump operation mode.

[0105] In an exemplary embodiment, the fluorine pump air-conditioning system may include at least two subsystems. In response to meeting the first trigger condition, obtaining the first predicted cooling capacity of the fluorine pump air-conditioning system in the pressure pump operation mode includes: obtaining the first predicted cooling capacity corresponding to the target subsystem among at least two subsystems; determining the cooling capacity after the compressor of the non-target subsystems among at least two subsystems is frequency-converted; and obtaining the first predicted cooling capacity according to the first predicted cooling capacity and the cooling capacity after the compressor is frequency-converted.

[0106] Taking the example of a fluorine pump air-conditioning system including at least two subsystems, in the compressor operation mode, the fluorine pump corresponding to each subsystem is in the off state. For example, the fluorine pump 1 corresponding to System 1 in the fluorine pump air-conditioning system is turned off, and the fluorine pump 2 corresponding to System 2 is turned off.

[0107] As an example, the first predicted cooling capacity can be the cooling capacity of the refrigerant pump corresponding to the target subsystem when it is converted to full-load operation. The target subsystem can be the subsystem whose refrigerant pump is converted from a closed state to a full-load operation state. At least two subsystems, excluding the target subsystem, have their refrigerant pumps in the non-target subsystems in the same subsystem in the closed state. Since a refrigerant pump air conditioning system can include two or more subsystems, after a single subsystem's mode switch is successful, the mode switch for the second subsystem can be performed after a preset time (e.g., 5 minutes). For example, in the compressor operation mode, refrigerant pump 2 corresponding to system 2 (i.e., the target subsystem) in the refrigerant pump air conditioning system can be turned on, while refrigerant pump 1 corresponding to system 1 (i.e., the non-target subsystem) remains closed. For instance, for each equal subsystem in the refrigerant pump air conditioning system, any subsystem can be selected to turn on its corresponding refrigerant pump for mode switching. After a single subsystem's mode switch is successful, the remaining subsystems can be switched one by one.

[0108] In practical applications, when the compressor operation mode is switched to pump operation mode, the cooling capacity Q of the system's refrigerant pump can be obtained. B2 (i.e., the first predicted cooling capacity), and determine the cooling capacity Q1′ that the compressor of system 1 can provide after frequency conversion (i.e., the cooling capacity after compressor frequency conversion). For example, if the speed of the frequency conversion compressor of system 1 is increased to speed 1, the new cooling capacity obtained can be obtained, and then the first predicted cooling capacity, ΔQ, can be obtained. 预 =(Q1′+Q B2 ).

[0109] The technical solution of this embodiment obtains the first predicted cooling capacity corresponding to the target subsystem in at least two subsystems and determines the cooling capacity of the compressor after frequency conversion corresponding to the non-target subsystem in at least two subsystems. Then, based on the first predicted cooling capacity and the cooling capacity of the compressor after frequency conversion, the first predicted cooling capacity is obtained, which provides data support for judging the predicted cooling efficiency when the compressor operation mode is switched to the pump operation mode.

[0110] In an exemplary embodiment, the mode switching trigger condition may include a second trigger condition for triggering a switch to a pure pump operation mode. In response to satisfying the mode switching trigger condition corresponding to the current operation mode, the predicted cooling capacity and predicted power of the refrigerant pump air conditioning system in the operation mode to be switched to in the current operation mode are obtained, including: if the current operation mode is a compressor pump operation mode, confirming that the operation mode to be switched to is a pure pump operation mode; and in response to satisfying the second trigger condition, obtaining the second predicted cooling capacity and the second predicted power of the refrigerant pump air conditioning system in the pure pump operation mode.

[0111] As an example, the second trigger condition may be that the outdoor ambient temperature is lower than the outdoor set switching temperature in the pressure pump operation mode, such as T0 < Test2, or the current supply air temperature is lower than 50% of the preset supply air temperature in the compressor operation mode and lasts for 30 s. It may also be preset as other trigger conditions, which are not specifically limited in this embodiment.

[0112] Taking the example that the fluorine pump air-conditioning system includes at least two subsystems, as Figure 2c shown, in the pure pump operation mode, the variable-frequency compressor 1 corresponding to system 1 is turned off, and the fluorine pump 1 is turned on. The variable-frequency compressor 2 corresponding to system 2 is turned off, and the fluorine pump 2 is turned on.

[0113] In a specific implementation, if it is detected that the outdoor ambient temperature T0 < Test2, or the supply air temperature demand ≤ -50% and lasts for 30 s (i.e., in response to meeting the second trigger condition), based on the pure pump operation mode to be switched, the refrigerating capacity after the fluorine pump 1 of system 1 is fully loaded can be estimated according to the fitting formula. Furthermore, based on the estimated refrigerating capacity after the fluorine pump 1 is fully loaded and the refrigerating capacity after the fluorine pump 2 is fully loaded, the second predicted refrigerating capacity can be obtained, and the operating power of the fluorine pump air-conditioning system in the pure pump operation mode (i.e., the second predicted power) can be estimated.

[0114] For example, when currently in the pressure pump operation mode and to be switched to the pure pump operation mode, the current state is that the compressor of system 1 and the corresponding outdoor fan operate at low frequency. The fluorine pump of system 2 can vary its frequency according to the supply air temperature, and its corresponding outdoor fan varies its frequency according to the condensation pressure (or the fluorine pump varies its frequency according to the pressure difference, and the outdoor fan varies its frequency according to the supply air temperature). At this time, ΔQ 现 =(Q1 + Q B2 ), ΔQ 预 (i.e., the second predicted refrigerating capacity) = (Q B1 + Q B2 ); ΔW 现 =(W 压1 + W B2 + W 内1 + W 内2 + W 外1 [[ID=%33]] + W 外2 ), ΔW 预 (i.e., the second predicted power) = (W B1 + W′ B2 + W′ 内1 + W′ 内2 + W′ 外1 + W′ 外2 ), where W1′ is the power after the compressor varies its frequency.

[0115] The technical solution of this embodiment, when the current operating mode is the pump operation mode, confirms that the operating mode to be switched to is the pure pump operation mode. In response to the satisfaction of the second triggering condition, it obtains the second predicted cooling capacity and the second predicted power of the refrigerant pump air conditioning system in the pure pump operation mode, providing data support for the judgment of predicted cooling efficiency when switching from the pump operation mode to the pure pump operation mode.

[0116] In an exemplary embodiment, the refrigerant pump air conditioning system may include at least two subsystems. In response to satisfying a second triggering condition, the system obtains a second predicted cooling capacity in pure pump operation mode, including: obtaining the second predicted cooling capacity corresponding to a non-target subsystem in the at least two subsystems; determining the refrigerant pump full-load operation cooling capacity corresponding to the target subsystem; and obtaining the second predicted cooling capacity based on the second predicted cooling capacity and the refrigerant pump full-load operation cooling capacity.

[0117] Taking a refrigerant pump air conditioning system that includes at least two subsystems as an example, in the pressure pump operation mode, the refrigerant pump corresponding to the target subsystem is in full-load operation, while the refrigerant pump corresponding to the non-target subsystem is in a closed state. For example, in the refrigerant pump air conditioning system, refrigerant pump 1 corresponding to system 1 is closed, while refrigerant pump 2 corresponding to system 2 is in full-load operation.

[0118] In one example, for the case where the pump operation mode is switched to the pure pump operation mode, the cooling capacity Q of the system's refrigerant pump can be obtained. B1 (i.e., the second predicted cooling capacity), and determine the cooling capacity Q of the system's 2-fluorine pump. B2 (i.e., the cooling capacity of the refrigerant pump at full load), from which the second predicted cooling capacity, ΔQ, can be obtained. 预 =(Q B1 +Q B2 ).

[0119] The technical solution of this embodiment obtains the second predicted cooling capacity corresponding to the non-target subsystem in at least two subsystems, and determines the full-load cooling capacity of the refrigerant pump corresponding to the target subsystem. Then, based on the second predicted cooling capacity and the full-load cooling capacity of the refrigerant pump, the second predicted cooling capacity is obtained, which provides data support for judging the predicted cooling efficiency when switching from the pressure pump operation mode to the pure pump operation mode.

[0120] In an exemplary embodiment, before the step of controlling the refrigerant pump air conditioning system to switch to the desired operating mode, the method further includes: adjusting the preset supply air temperature of the refrigerant pump air conditioning system according to preset information; controlling the refrigerant pump air conditioning system to switch to the desired operating mode includes: controlling the refrigerant pump air conditioning system to switch to the desired operating mode based on the adjusted preset supply air temperature.

[0121] The preset information can be used to instruct the refrigerant pump air conditioning system to reduce the preset supply air temperature by a preset value, such as reducing the preset supply air temperature by -2℃.

[0122] In practical applications, if ΔQ 预 / ΔQ 现 ≥1 (configurable), meaning the predicted cooling capacity is greater than or equal to the current cooling capacity, ΔW 预 / ΔW 现 ≤1 (can be set, e.g., set to ΔW) 预 / ΔW 现 <1), that is, if the predicted power is less than or equal to the current power, a mode switch can be prompted. It can be set to automatic switch or manual confirmation switch. Before switching, the supply air temperature requirement (i.e., the preset supply air temperature) can be reduced by 2℃ (adjustable) as the new supply air temperature requirement (i.e., the adjusted preset supply air temperature). The mode switch can be performed automatically after the new supply air temperature requirement is reached.

[0123] In one example, taking the switch from compressor operation mode to pump operation mode as an example, if ΔQ 预 / ΔQ 现 ≥1, ΔW 预 / ΔW 现 ≤1, can be manually confirmed or automatically switched to pump operation mode. Its execution logic is as follows: the required air supply temperature is lowered by 2℃ (e.g., 23℃-2=21℃), system 1 frequency is increased to ≥150kW, the outdoor fan of system 2 is synchronously increased to rated speed, the compressor of system 2 slowly decreases frequency (step size is smaller than the frequency increase step size of system 1), after the required air supply temperature stabilizes, the frequency of the compressor of system 2 is reduced to shutdown, and the refrigerant pump 2 of system 2 is turned on to rated speed. System 1 and system 2 perform PID adjustment according to the original required air supply temperature (e.g., 23℃) to achieve the prediction of the relevant parameters provided by the refrigerant pump in pump operation mode.

[0124] Compared to traditional methods, which have a low success rate in model switching, resulting in frequent switching and situations where the operating power after mode switching is greater than the operating power before mode switching, the technical solution in this embodiment, by combining cooling capacity prediction, power prediction, and lowering the supply air temperature by 2°C before mode switching, can ensure that the cooling capacity does not decrease and the power does not increase after mode switching, and reduces the upper limit of temperature fluctuation during mode switching, thus avoiding exceeding the temperature requirements.

[0125] The technical solution of this embodiment adjusts the preset air supply temperature of the refrigerant pump air conditioning system according to preset information, and controls the refrigerant pump air conditioning system to switch to the operating mode to be switched based on the adjusted preset air supply temperature. This reduces the upper limit of temperature fluctuation during the mode switching process and ensures the temperature stability of the data center computer room.

[0126] To enable those skilled in the art to better understand the above steps, the following is combined with... Figure 3The embodiments of the present disclosure are exemplarily illustrated by an example, but it should be understood that the embodiments of the present disclosure are not limited thereto.

[0127] Take the example that the fluorine pump air-conditioning system includes two subsystems:

[0128] 1. When currently in the compressor operation mode, the variable-frequency compressor 1 corresponding to system 1 in the fluorine pump air-conditioning system is turned on, the fluorine pump 1 is turned off, and the variable-frequency compressor 2 corresponding to system 2 is turned on, and the fluorine pump 2 is turned off; the internal fan can adjust the speed by PID (Proportional Integral Derivative control) according to the control mode requirements (any two of the temperature difference / pressure difference, supply air temperature, and return air temperature); the external fan can adjust the speed by PID according to the condensing pressure requirements; the variable-frequency compressor can adjust the speed according to the supply air temperature requirements;

[0129] 2. Judge whether it satisfies that the outdoor ambient temperature T0 < Test1 and lasts for 1 minute, and the supply air temperature requirement ≤ -25% and lasts for 30 seconds;

[0130] 3. Cooling capacity prediction: According to the fitting formula, the cooling capacity after the fluorine pump 2 of system 2 is fully loaded can be estimated, and it is judged that (the new cooling capacity obtained by increasing the speed of the variable-frequency compressor 1 of system 1 to speed 1 + the estimated cooling capacity after the fluorine pump 2 is fully loaded) / the cooling capacity in the original compressor operation mode ≥ 1, that is, to judge whether the cooling capacity after the mode switch is greater than or equal to the cooling capacity before the switch; Power prediction: Judge that the power after the mode switch / the power in the original compressor operation mode ≤ 1, that is, to judge whether the power after the mode switch is less than or equal to the power before the switch;

[0131] 4. If it does not satisfy that the predicted cooling capacity is greater than or equal to the current cooling capacity and the predicted power is less than or equal to the current power, no mode switch is performed, and the original mode is maintained;

[0132] 5. If it satisfies that the predicted cooling capacity is greater than or equal to the current cooling capacity and the predicted power is less than or equal to the current power, execute: System 2 switches to the fluorine pump mode, system 1 maintains the compressor mode, and through forced refrigeration, the supply air temperature is adjusted to the original set value - 2°C; The compressor of system 1 reduces the evaporation temperature by increasing the speed to ensure that the supply air temperature is the original set value - 2°C, and the outdoor fan of system 2 is increased to the rated speed synchronously, and the compressor of system 2 is slowly reduced in frequency (the frequency reduction step of the compressor of system 2 is less than the frequency increase step of the compressor of system 1). After the supply air demand temperature is stable, the frequency of the compressor of system 2 is reduced again until it is turned off, and then the fluorine pump of system 2 is turned on to the rated speed; Systems 1 and 2 perform PID regulation according to the original supply air temperature requirements (not -2°C);

[0133] 6. Indoor fan: Adjust the speed by PID according to the requirements of the control mode (such as temperature difference / pressure difference); Outdoor fan: Adjust the speed by PID according to the condensing pressure requirement; System 1: Operate in the compressor mode; System 2: Operate in the fluorine pump mode and maintain full load (the speed of the variable frequency compressor in System 1 is adjusted first);

[0134] 7. If the actual indoor supply air temperature T within 10 minutes does not meet 测 ≤ the set indoor supply air temperature T 内 , the mode switching fails and returns to the compressor operation mode;

[0135] 8. If the actual indoor supply air temperature T within 10 minutes meets 测 ≤ the set indoor supply air temperature T 内 , the mode switching is successful, and the pressure pump operation mode is run. At the same time, the system can output and display whether the cooling capacity after switching is greater than or equal to the cooling capacity before switching, and whether the power after switching is less than or equal to the power before switching;

[0136] 9. Indoor fan: Adjust the speed by PID according to the requirements of the control mode (such as temperature difference / pressure difference); Outdoor fan: Adjust the speed by PID according to the condensing pressure requirement; System 1: Operate in the compressor mode; System 2: Operate in the fluorine pump mode and maintain full load (the speed of the variable frequency compressor in System 1 is adjusted first);

[0137] 10. Judge whether it meets the outdoor ambient temperature T0 < Test2, or the supply air temperature requirement ≤ -50% for 30 s;

[0138] 11. Cooling capacity prediction: According to the fitting formula, the cooling capacity after the fluorine pump 1 in System 1 is fully loaded can be estimated, and it is judged that (the cooling capacity of the fluorine pump in System 2 when fully loaded + the estimated cooling capacity after the fluorine pump 1 is fully loaded) / the cooling capacity in the original pressure pump operation mode ≥ 1, that is, to judge whether the cooling capacity after mode switching is greater than or equal to the cooling capacity before switching; Power prediction: Judge that the power after mode switching / the power in the original pressure pump operation mode ≤ 1, that is, to judge whether the power after mode switching is less than or equal to the power before switching;

[0139] 12. If it does not meet the prediction that the cooling capacity is greater than or equal to the current cooling capacity and the prediction that the power is less than or equal to the current power, the mode is not switched and the original mode is maintained;

[0140] 13. If the predicted cooling capacity is greater than or equal to the current cooling capacity, and the predicted power is less than or equal to the current power, execute the following: System 1 switches to refrigerant pump mode, System 2 maintains refrigerant pump mode, and through forced cooling, adjusts the supply air temperature to the original set value -2℃; Refrigerant pump 2 of System 2 runs at full load, and at the same time, the outdoor fan of System 2 is overclocked to 10%~20% of the rated speed, and the compressor and outdoor fan of System 1 gradually load, reaching the temperature set value -2℃ and maintaining it for 5 minutes; Mode switching: Refrigerant pump 2 of System 2 continues to run at full load, the outdoor fan of System 2 continues to be overclocked, the compressor of System 1 reduces the frequency to shutdown, and refrigerant pump 1 of System 1 starts and gradually runs at full load; Normal control is restored.

[0141] 14. Indoor fan: PID speed adjustment based on branch control mode (e.g., temperature difference / pressure difference); Outdoor fan: PID speed adjustment based on condensing pressure requirements; Refrigerant pump: System 1 and System 2 start simultaneously for PID speed adjustment based on supply air temperature requirements; Compressor: Off.

[0142] 15. If the actual indoor supply air temperature T is not met within 10 minutes 测 ≤Set indoor supply air temperature T′ 内 Mode switching failed, reverting to pump operation mode;

[0143] 16. If the actual indoor supply air temperature T within 10 minutes is met... 测 ≤Set indoor supply air temperature T′ 内 The mode switch was successful, and the system is now running in pure pump mode. The system can also output and display whether the cooling capacity after the switch is greater than or equal to the cooling capacity before the switch, and whether the power after the switch is less than or equal to the power before the switch.

[0144] Figure 4 This is a flowchart illustrating another air conditioning system control method according to an exemplary embodiment, such as... Figure 4 As shown, this method is used in computer devices such as terminals and includes the following steps.

[0145] In step S410, the current operating mode of the refrigerant pump air conditioning system is obtained. In step S420, in response to meeting the mode switching trigger condition corresponding to the current operating mode, the predicted cooling capacity and predicted power of the refrigerant pump air conditioning system in the operating mode to be switched to in the current operating mode are obtained. In step S430, the predicted cooling efficiency is obtained based on the predicted cooling capacity and predicted power. In step S440, the current cooling capacity and current power of the refrigerant pump air conditioning system in the current operating mode are obtained, and the current cooling efficiency is obtained based on the current cooling capacity and current power. In step S450, when the predicted cooling capacity is greater than or equal to the current cooling capacity and the predicted power is less than or equal to the current power, the preset supply air temperature of the refrigerant pump air conditioning system is adjusted according to preset information, which is used to instruct the refrigerant pump air conditioning system to reduce the preset supply air temperature by a preset value. In step S460, based on the adjusted preset supply air temperature, the refrigerant pump air conditioning system is controlled to switch to the operating mode to be switched to. It should be noted that the specific limitations of the above steps can be found in the specific limitations of an air conditioning system control method described above, and will not be repeated here.

[0146] It should be understood that although the steps in the flowcharts of the embodiments described above are shown sequentially according to the arrows, these steps are not necessarily executed in the order indicated by the arrows. Unless explicitly stated herein, there is no strict order restriction on the execution of these steps, and they can be executed in other orders. Moreover, at least some steps in the flowcharts of the embodiments described above may include multiple steps or multiple stages. These steps or stages are not necessarily completed at the same time, but can be executed at different times. The execution order of these steps or stages is not necessarily sequential, but can be performed alternately or in turn with other steps or at least some of the steps or stages of other steps.

[0147] It is understood that the same / similar parts between the various embodiments of the methods described above in this specification can be referred to each other. Each embodiment focuses on the differences from other embodiments, and relevant parts can be referred to the description of other method embodiments.

[0148] Based on the same inventive concept, this disclosure also provides an air conditioning system control device for implementing the air conditioning system control method described above.

[0149] Figure 5 This is a block diagram illustrating an air conditioning system control device according to an exemplary embodiment. (Refer to...) Figure 5 The device includes:

[0150] The current operating mode acquisition unit 501 is configured to acquire the current operating mode of the refrigerant pump air conditioning system.

[0151] The predicted cooling efficiency determination unit 502 is configured to perform a response to satisfying the mode switching trigger condition corresponding to the current operating mode, and determine the predicted cooling efficiency of the refrigerant pump air conditioning system based on the operating mode to be switched to in the current operating mode; the predicted cooling efficiency is obtained by simulating the operation of the refrigerant pump air conditioning system in the operating mode to be switched to.

[0152] The operating mode switching unit 503 is configured to acquire the current cooling efficiency of the refrigerant pump air conditioning system in the current operating mode, and control the refrigerant pump air conditioning system to switch to the operating mode to be switched when the predicted cooling efficiency is greater than or equal to the current cooling efficiency.

[0153] In one possible implementation, the predicted cooling efficiency determination unit 502 is specifically configured to perform an action in response to a mode switching trigger condition corresponding to the current operating mode, to obtain the predicted cooling capacity and predicted power of the refrigerant pump air conditioning system in the operating mode to be switched to in the current operating mode; and to obtain the predicted cooling efficiency based on the predicted cooling capacity and the predicted power.

[0154] The operating mode switching unit 503 is specifically configured to acquire the current cooling capacity and current power of the refrigerant pump air conditioning system in the current operating mode, and obtain the current cooling efficiency based on the current cooling capacity and current power.

[0155] In one possible implementation, the operating mode switching unit 503 is specifically configured to control the refrigerant pump air conditioning system to switch to the operating mode to be switched when the predicted cooling capacity is greater than or equal to the current cooling capacity and the predicted power is less than or equal to the current power.

[0156] In one possible implementation, the mode switching trigger condition includes a first trigger condition that triggers switching to the pump operation mode. Specifically, the predicted cooling efficiency determination unit 502 is configured to confirm that the operating mode to be switched to is the pump operation mode when the current operating mode is the compressor operation mode; and to obtain the first predicted cooling capacity and the first predicted power of the refrigerant pump air conditioning system in the pump operation mode in response to satisfying the first trigger condition.

[0157] In one possible implementation, the refrigerant pump air conditioning system includes at least two subsystems. The predicted cooling efficiency determination unit 502 is specifically configured to perform the following: obtaining a first predicted cooling capacity corresponding to a target subsystem in the at least two subsystems; wherein, in the compressor operating mode, the refrigerant pumps corresponding to each of the at least two subsystems are in a closed state; the first predicted cooling capacity is the cooling capacity simulating the refrigerant pump corresponding to the target subsystem switching to full-load operation; the target subsystem is the subsystem whose refrigerant pump switches from a closed state to a full-load operation state; and the refrigerant pumps corresponding to non-target subsystems in the at least two subsystems are in a closed state; determining the compressor's frequency conversion cooling capacity corresponding to the non-target subsystems in the at least two subsystems; and obtaining the first predicted cooling capacity based on the first predicted cooling capacity and the compressor's frequency conversion cooling capacity.

[0158] In one possible implementation, the mode switching trigger condition includes a second trigger condition that triggers switching to a pure pump operation mode. Specifically, the predicted cooling efficiency determination unit 502 is configured to confirm that the operation mode to be switched to is a pure pump operation mode when the current operation mode is a pressure pump operation mode; and to obtain the second predicted cooling capacity and the second predicted power of the refrigerant pump air conditioning system in the pure pump operation mode in response to satisfying the second trigger condition.

[0159] In one possible implementation, the refrigerant pump air conditioning system includes at least two subsystems. The predicted cooling efficiency determination unit 502 is specifically configured to perform the following: obtain a second predicted cooling capacity corresponding to a non-target subsystem in the at least two subsystems; wherein, in the pump operation mode, the refrigerant pump corresponding to the target subsystem in the at least two subsystems is in a full-load operation state, and the refrigerant pump corresponding to the non-target subsystem is in a closed state; determine the full-load cooling capacity of the refrigerant pump corresponding to the target subsystem; and obtain the second predicted cooling capacity based on the second predicted cooling capacity and the full-load cooling capacity of the refrigerant pump.

[0160] In one possible implementation, the air conditioning system control device further includes:

[0161] The air supply temperature regulating unit is specifically configured to adjust the preset air supply temperature of the refrigerant pump air conditioning system according to preset information; the preset information is used to instruct the refrigerant pump air conditioning system to reduce the preset air supply temperature by a preset value.

[0162] The operating mode switching unit 503 is specifically configured to control the refrigerant pump air conditioning system to switch to the operating mode to be switched based on the adjusted preset air supply temperature.

[0163] Regarding the apparatus in the above embodiments, the specific manner in which each module performs its operation has been described in detail in the embodiments related to the method, and will not be elaborated upon here.

[0164] Each module in the aforementioned air conditioning system control device can be implemented entirely or partially through software, hardware, or a combination thereof. These modules can be embedded in or independent of the processor in a computer device in hardware form, or stored in the memory of a computer device in software form, so that the processor can call and execute the operations corresponding to each module.

[0165] Figure 6 This is a block diagram illustrating an electronic device 600 for implementing an air conditioning system control method, according to an exemplary embodiment. For example, the electronic device 600 may be a mobile phone, computer, digital broadcasting terminal, messaging device, game console, tablet device, medical device, fitness equipment, personal digital assistant, etc.

[0166] Reference Figure 6 The electronic device 600 may include one or more of the following components: processing component 602, memory 604, power supply component 606, multimedia component 608, audio component 610, input / output (I / O) interface 612, sensor component 614, and communication component 616.

[0167] Processing component 602 typically controls the overall operation of electronic device 600, such as operations associated with display, telephone calls, data communication, camera operation, and recording operations. Processing component 602 may include one or more processors 620 to execute instructions to perform all or part of the steps of the methods described above. Furthermore, processing component 602 may include one or more modules to facilitate interaction between processing component 602 and other components. For example, processing component 602 may include a multimedia module to facilitate interaction between multimedia component 608 and processing component 602.

[0168] Memory 604 is configured to store various types of data to support the operation of electronic device 600. Examples of such data include instructions for any application or method operating on electronic device 600, contact data, phonebook data, messages, pictures, videos, etc. Memory 604 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic storage, flash memory, magnetic disk, optical disk, or graphene storage.

[0169] Power supply component 606 provides power to various components of electronic device 600. Power supply component 606 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power to electronic device 600.

[0170] Multimedia component 608 includes a screen that provides an output interface between the electronic device 600 and the user. In some embodiments, the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touchscreen to receive input signals from the user. The touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensors may sense not only the boundaries of the touch or swipe action but also the duration and pressure associated with the touch or swipe operation. In some embodiments, multimedia component 608 includes a front-facing camera and / or a rear-facing camera. When the electronic device 600 is in an operating mode, such as a shooting mode or a video mode, the front-facing camera and / or the rear-facing camera may receive external multimedia data. Each front-facing camera and rear-facing camera may be a fixed optical lens system or have focal length and optical zoom capabilities.

[0171] Audio component 610 is configured to output and / or input audio signals. For example, audio component 610 includes a microphone (MIC) configured to receive external audio signals when electronic device 600 is in an operating mode, such as call mode, recording mode, and voice recognition mode. The received audio signals may be further stored in memory 604 or transmitted via communication component 616. In some embodiments, audio component 610 also includes a speaker for outputting audio signals.

[0172] I / O interface 612 provides an interface between processing component 602 and peripheral interface modules, such as keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to, home buttons, volume buttons, power buttons, and lock buttons.

[0173] Sensor assembly 614 includes one or more sensors for providing state assessments of various aspects of electronic device 600. For example, sensor assembly 614 can detect the on / off state of electronic device 600, the relative positioning of components such as the display and keypad of electronic device 600, changes in position of electronic device 600 or its components, the presence or absence of user contact with electronic device 600, orientation or acceleration / deceleration of device 600, and temperature changes of electronic device 600. Sensor assembly 614 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact. Sensor assembly 614 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, sensor assembly 614 may also include an accelerometer, gyroscope, magnetometer, pressure sensor, or temperature sensor.

[0174] Communication component 616 is configured to facilitate wired or wireless communication between electronic device 600 and other devices. Electronic device 600 can access wireless networks based on communication standards, such as WiFi, carrier networks (such as 2G, 3G, 4G, or 5G), or combinations thereof. In one exemplary embodiment, communication component 616 receives broadcast signals or broadcast-related information from an external broadcast management system via a broadcast channel. In one exemplary embodiment, communication component 616 also includes a near-field communication (NFC) module to facilitate short-range communication. For example, the NFC module may be implemented based on radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.

[0175] In an exemplary embodiment, the electronic device 600 may be implemented by one or more application-specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field-programmable gate arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic components to perform the methods described above.

[0176] In an exemplary embodiment, a computer-readable storage medium including instructions is also provided, such as a memory 604 including instructions, which can be executed by a processor 620 of an electronic device 600 to perform the above-described method. For example, the computer-readable storage medium may be a ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, and optical data storage device, etc.

[0177] In an exemplary embodiment, a computer program product is also provided, which includes instructions that can be executed by a processor 620 of an electronic device 600 to perform the above-described method.

[0178] It should be noted that the above-mentioned apparatus, electronic equipment, computer-readable storage medium, computer program product, etc., may also include other implementation methods according to the description of the method embodiments. For specific implementation methods, please refer to the description of the relevant method embodiments, which will not be elaborated here.

[0179] Other embodiments of this disclosure will readily occur to those skilled in the art upon consideration of the specification and practice of the invention disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of this disclosure that follow the general principles of this disclosure and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only, and the true scope and spirit of this disclosure are indicated by the claims.

[0180] It should be understood that this disclosure is not limited to the precise structures described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of this disclosure is limited only by the appended claims.

Claims

1. An air conditioning system control method characterized by comprising: The method comprises: acquiring a current operation mode of a fluorine pump air conditioning system; in response to satisfying a mode switching trigger condition corresponding to the current operation mode, determining a predicted refrigeration efficiency of the fluorine pump air conditioning system based on a to-be-switched operation mode of the current operation mode; the predicted refrigeration efficiency is obtained by simulating operation of the fluorine pump air conditioning system in the to-be-switched operation mode; acquiring a current refrigeration efficiency of the fluorine pump air conditioning system in the current operation mode, and in a case where the predicted refrigeration efficiency is greater than or equal to the current refrigeration efficiency, controlling the fluorine pump air conditioning system to switch to the to-be-switched operation mode.

2. The method of claim 1, wherein, The response to satisfying the mode switching trigger condition corresponding to the current operation mode, the predicted refrigeration efficiency of the fluorine pump air conditioning system is determined based on the to-be-switched operation mode of the current operation mode, comprising: in response to satisfying the mode switching trigger condition corresponding to the current operation mode, acquiring a predicted cooling capacity and a predicted power of the fluorine pump air conditioning system in the to-be-switched operation mode of the current operation mode; obtaining the predicted refrigeration efficiency according to the predicted cooling capacity and the predicted power; The acquisition of the current refrigeration efficiency of the fluorine pump air conditioning system in the current operation mode comprises: acquiring a current cooling capacity and a current power of the fluorine pump air conditioning system in the current operation mode, and obtaining the current refrigeration efficiency according to the current cooling capacity and the current power.

3. The method of claim 2, wherein, The control of the fluorine pump air conditioning system to switch to the to-be-switched operation mode in the case where the predicted refrigeration efficiency is greater than or equal to the current refrigeration efficiency comprises: in the case where the predicted cooling capacity is greater than or equal to the current cooling capacity and the predicted power is less than or equal to the current power, controlling the fluorine pump air conditioning system to switch to the to-be-switched operation mode.

4. The method of claim 2, wherein, The mode switching trigger condition comprises a first trigger condition of triggering switching to a pressure pump operation mode, and the response to satisfying the mode switching trigger condition corresponding to the current operation mode, the acquisition of the predicted cooling capacity and the predicted power of the fluorine pump air conditioning system in the to-be-switched operation mode of the current operation mode comprises: in the case where the current operation mode is a compressor operation mode, confirming that the to-be-switched operation mode is a pressure pump operation mode; in response to satisfying the first trigger condition, acquiring a first predicted cooling capacity and a first predicted power of the fluorine pump air conditioning system in the pressure pump operation mode.

5. The method of claim 4, wherein, The fluorine pump air conditioning system comprises at least two subsystems, and the response to satisfying the first trigger condition, the acquisition of the first predicted cooling capacity of the fluorine pump air conditioning system in the pressure pump operation mode comprises: obtaining a first predicted refrigeration capacity corresponding to a target subsystem of the at least two subsystems; wherein, in the compressor operation mode, a fluorine pump corresponding to each of the at least two subsystems is in a closed state, the first predicted refrigeration capacity is a refrigeration capacity simulated when the fluorine pump corresponding to the target subsystem is switched to full load operation, the target subsystem is a subsystem in which the fluorine pump is switched from the closed state to the full load operation state, and a fluorine pump corresponding to a non-target subsystem of the at least two subsystems is in the closed state; determining a compressor variable frequency refrigeration capacity corresponding to the non-target subsystem of the at least two subsystems; obtaining the first predicted refrigeration capacity based on the first predicted refrigeration capacity and the compressor variable frequency refrigeration capacity.

6. The method of claim 2, wherein, The mode switching trigger condition includes a second trigger condition for triggering switching to the pure pump operation mode, and the obtaining of the predicted refrigeration capacity and the predicted power of the fluorine pump air conditioning system in the to-be-switched operation mode of the current operation mode in response to the satisfaction of the mode switching trigger condition corresponding to the current operation mode includes: In the case that the current operation mode is the compression-pump operation mode, it is determined that the to-be-switched operation mode is the pure pump operation mode. In response to the satisfaction of the second trigger condition, the second predicted refrigeration capacity and the second predicted power of the fluorine pump air conditioning system in the pure pump operation mode are obtained.

7. The method of claim 6, wherein, The fluorine pump air conditioning system includes at least two subsystems, and the obtaining of the second predicted refrigeration capacity of the fluorine pump air conditioning system in the pure pump operation mode in response to the satisfaction of the second trigger condition includes: obtaining a second predicted refrigeration capacity corresponding to a non-target subsystem of the at least two subsystems; wherein, in the compression-pump operation mode, a fluorine pump corresponding to a target subsystem of the at least two subsystems is in a full load operation state, and a fluorine pump corresponding to the non-target subsystem is in a closed state; determining a fluorine pump full load refrigeration capacity corresponding to the target subsystem; obtaining the second predicted refrigeration capacity based on the second predicted refrigeration capacity and the fluorine pump full load refrigeration capacity.

8. The method according to any one of claims 1 to 7, characterized in that, Before the step of controlling the fluorine pump air conditioning system to switch to the to-be-switched operation mode, the method further includes: adjusting a preset supply air temperature of the fluorine pump air conditioning system according to preset information; the preset information is used to indicate that the fluorine pump air conditioning system reduces the preset supply air temperature by a preset value; The control of the fluorine pump air conditioning system to switch to the to-be-switched operation mode includes: controlling the fluorine pump air conditioning system to switch to the to-be-switched operation mode based on the adjusted preset supply air temperature.

9. An air conditioning system control apparatus characterized by comprising: The device includes: a current operation mode obtaining unit configured to obtain a current operation mode of a fluorine pump air conditioning system; a predicted refrigeration efficiency determining unit configured to determine a predicted refrigeration efficiency of the fluorine pump air conditioning system based on a to-be-switched operation mode of the current operation mode in response to the satisfaction of a mode switching trigger condition corresponding to the current operation mode; the predicted refrigeration efficiency is obtained when the fluorine pump air conditioning system is simulated to operate in the to-be-switched operation mode. The operation mode switching unit is configured to perform obtaining a current refrigeration efficiency of the fluorine pump air conditioning system in the current operation mode, and controlling the fluorine pump air conditioning system to switch to the to-be-switched operation mode in a case where the predicted refrigeration efficiency is greater than or equal to the current refrigeration efficiency.

10. An electronic device, comprising: Comprise: a processor; a memory for storing instructions executable by the processor; wherein the processor is configured to execute the instructions to implement the air conditioning system control method of any one of claims 1 to 8.

11. A computer readable storage medium, characterized in that, When the instructions in the computer readable storage medium are executed by the processor of the electronic device, the electronic device is enabled to perform the air conditioning system control method of any one of claims 1 to 8.

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