Air conditioner, parameter determination method thereof and computer readable storage medium

Abstract

The application discloses a parameter determination method of an air conditioner, and relates to the technical field of air conditioners, in particular to a parameter determination method of an air conditioner based on a fan including a first wind wheel and a second wind wheel. The method comprises the following steps: obtaining a correlation relationship between a fan power corresponding to a target air volume required by a target working condition and an energy efficiency value of the air conditioner; adjusting a first rotating speed of the first wind wheel and a second rotating speed of the second wind wheel according to the correlation relationship; the first rotating speed and the second rotating speed are rotating speed values of the fan reaching the target air volume corresponding to a preset energy efficiency value of the air conditioner obtained through testing; and taking the adjusted first rotating speed and the second rotating speed as target operating rotating speeds of the two wind wheels in the fan under the target working condition respectively, so that an actual energy efficiency value of the air conditioner corresponding to a total power of the fan under the target working condition is greater than the preset energy efficiency value and the air volume of the fan reaches the target air volume. The application further discloses an air conditioner and a computer readable storage medium. The application aims to improve the energy efficiency value of the air conditioner and save the development and debugging time of the air conditioner.

Description

Technical Field

[0001] This invention relates to the field of air conditioning technology, and more particularly to a method for determining the parameters of an air conditioner, an air conditioner, and a computer-readable storage medium. Background Technology

[0002] With the development of economy and technology and the improvement of people's living standards, the application of air conditioners is becoming more and more widespread. Among them, the APF (Annual Performance Factor) energy efficiency value is generally used to evaluate the energy-saving effect of air conditioners. The higher the APF value, the more energy-efficient the air conditioner is.

[0003] In determining the APF energy efficiency value, the operating parameters required for the air conditioner to achieve the specified capacity value under different operating conditions are usually determined through testing (such as compressor frequency, flow rate of throttling components, and fan air volume). The APF value is a comprehensive value calculated by using a specific formula for all operating parameters under all test conditions.

[0004] Currently, air conditioner fans generally only have one impeller. The frequency, air volume, and flow rate required to meet the capacity requirements of an air conditioner under each operating condition are fixed. This means that the energy efficiency value of an air conditioner cannot be adjusted after testing. If the energy efficiency value needs to be improved, it needs to be readjusted, resulting in excessively long development time for air conditioners. Summary of the Invention

[0005] The main objective of this invention is to provide a method for determining the parameters of an air conditioner, an air conditioner, and a computer-readable storage medium, aiming to improve the energy efficiency of the air conditioner while saving development and debugging time.

[0006] To achieve the above objectives, the present invention provides a method for determining the parameters of an air conditioner, wherein the fan of the air conditioner includes a first impeller and a second impeller, and the method for determining the parameters of the air conditioner includes the following steps:

[0007] The correlation between the fan power corresponding to the target air volume required under the target operating condition and the energy efficiency value of the air conditioner is obtained;

[0008] The first rotational speed of the first impeller and the second rotational speed of the second impeller are adjusted according to the aforementioned relationship; the first rotational speed and the second rotational speed are the fan speed values ​​corresponding to the preset energy efficiency values ​​of the air conditioner obtained through testing, when the fan reaches the target air volume;

[0009] The adjusted first speed is taken as the first target operating speed of the first impeller under the target operating condition, and the adjusted second speed is taken as the second target operating speed of the second impeller under the target operating condition, so that the actual energy efficiency value of the air conditioner corresponding to the total power of the fan under the target operating condition is greater than the preset energy efficiency value and the air volume of the fan reaches the target air volume.

[0010] Optionally, the step of adjusting the first rotating speed of the first wind wheel and the second rotating speed of the second wind wheel according to the correlation relationship comprises:

[0011] determining a target adjustment direction of the total power of the air blower according to the correlation relationship;

[0012] adjusting the first rotating speed and the second rotating speed according to the first corresponding relationship, the second corresponding relationship and the target adjustment direction, so that the change direction of the total power of the air blower matches the target adjustment direction;

[0013] wherein the first corresponding relationship is a corresponding relationship between the first power of the first wind wheel and its rotating speed when the first wind wheel and the second wind wheel are both turned on, and the second corresponding relationship is a corresponding relationship between the second power of the second wind wheel and its rotating speed when the first wind wheel and the second wind wheel are both turned on.

[0014] Optionally, the step of determining a target adjustment direction of the total power of the air blower according to the correlation relationship comprises:

[0015] when the correlation relationship is that the energy efficiency value of the air conditioner is positively correlated with the power of the air blower, determining that increasing the total power of the air blower is the target adjustment direction;

[0016] when the correlation relationship is that the energy efficiency value of the air conditioner is negatively correlated with the power of the air blower, determining that decreasing the total power of the air blower is the target adjustment direction.

[0017] Optionally, the step of adjusting the first rotating speed and the second rotating speed according to the first corresponding relationship, the second corresponding relationship and the target adjustment direction comprises:

[0018] when the target adjustment direction is to increase the total power of the air blower, determining a first target rotating speed of the first wind wheel and a second target rotating speed of the second wind wheel according to the first corresponding relationship and the second corresponding relationship, adjusting the first rotating speed to the first target rotating speed and adjusting the second rotating speed to the second target rotating speed, the total power of the air blower corresponding to the first target rotating speed and the second target rotating speed reaching a maximum value and the air volume of the air blower reaching the target air volume;

[0019] when the target adjustment direction is to decrease the total power of the air blower, determining a third target rotating speed of the first wind wheel and a fourth target rotating speed of the second wind wheel according to the first corresponding relationship and the second corresponding relationship, adjusting the first rotating speed to the third target rotating speed and adjusting the second rotating speed to the fourth target rotating speed, the total power of the air blower corresponding to the third target rotating speed and the fourth target rotating speed reaching a minimum value and the air volume of the air blower reaching the target air volume.

[0020] Optionally, the step of obtaining the correlation between the target air volume corresponding to the target working condition requirement and the energy efficiency of the air conditioner comprises:

[0021] obtaining preset operating parameters of the air conditioner corresponding to a plurality of preset working conditions used for calculating the preset energy efficiency, the target working condition being one of the plurality of preset working conditions, and the preset operating parameters corresponding to the target working condition including the target air volume;

[0022] adjusting the first power of the fan corresponding to the target air volume in a preset adjustment direction to obtain a target fan power;

[0023] calculating a first energy efficiency of the air conditioner according to the air volume of the fan corresponding to the first power and target operating parameters, the target operating parameters being other parameters in the plurality of preset operating parameters except the target air volume;

[0024] determining the correlation according to the first energy efficiency, the preset energy efficiency and the preset adjustment direction.

[0025] Optionally, the step of determining the correlation according to the first energy efficiency, the preset energy efficiency and the preset adjustment direction comprises:

[0026] determining a size relationship between the first energy efficiency and the preset energy efficiency;

[0027] when the preset adjustment direction is to increase the first power and the size relationship is a first relationship, or when the preset adjustment direction is to decrease the first power and the size relationship is a second relationship, determining that the correlation is that the energy efficiency of the air conditioner is positively correlated with the fan power;

[0028] when the preset adjustment direction is to increase the first power and the size relationship is the second relationship, or when the preset adjustment direction is to decrease the first power and the size relationship is the first relationship, determining that the correlation is that the energy efficiency of the air conditioner is negatively correlated with the fan power;

[0029] the first relationship is that the first energy efficiency is greater than the preset energy efficiency, and the second relationship is that the first energy efficiency is less than the preset energy efficiency.

[0030] Optionally, before the step of obtaining the preset operating parameters of the air conditioner corresponding to the plurality of preset working conditions used for calculating the preset energy efficiency, the method further comprises:

[0031] In each of the preset working conditions, an operation parameter of the air conditioner is tested when an actual refrigerating capacity of the air conditioner reaches a rated refrigerating capacity, and preset operation parameters corresponding to each of the preset working conditions are obtained.

[0032] Optionally, the preset operation parameters corresponding to each of the preset working conditions include a compressor frequency, a flow of a throttling component, and an air volume of the fan.

[0033] In addition, to achieve the above object, the present application further provides an air conditioner, which comprises:

[0034] a fan, the fan comprising a first air wheel and a second air wheel;

[0035] a control device, the first air wheel and the second air wheel being connected with the control device, the control device comprising a memory, a processor, and an air conditioner parameter determination program stored in the memory and executable on the processor, the air conditioner parameter determination program realizing the steps of the air conditioner parameter determination method according to any one of the above when executed by the processor.

[0036] In addition, to achieve the above object, the present application further provides a computer readable storage medium, the computer readable storage medium storing an air conditioner parameter determination program, the air conditioner parameter determination program realizing the steps of the air conditioner parameter determination method according to any one of the above when executed by a processor.

[0037] The air conditioner parameter determination method provided by the present application adjusts the rotational speed value corresponding to the preset energy efficiency value based on the correlation between the target air volume corresponding to the target working condition and the energy efficiency value of the air conditioner, and since the air wheel of the fan is no longer one but more than one, the operating power of the fan can change with the rotational speed of each air wheel, so that the rotational speed of the two air wheels corresponding to the preset energy efficiency value is adjusted based on the correlation between the energy efficiency and the fan power under the target working condition, so that the actual energy efficiency value of the air conditioner under the target working condition can be higher than the preset energy efficiency value under the condition that the fan air volume required by the preset energy efficiency value is fixed, and the total power of the fan can be changed by the ratio between the rotational speeds of the air wheels, and the process only needs to be tested after obtaining the preset energy efficiency value without retesting the air conditioner, so as to improve the energy efficiency of the air conditioner and save the development and debugging time of the air conditioner. BRIEF DESCRIPTION OF DRAWINGS

[0038] Figure 1 The hardware structure diagram related to the operation of an embodiment of the air conditioner of the present application;

[0039] Figure 2 The flowchart of an embodiment of the air conditioner parameter determination method of the present application;

[0040] Figure 3 Flowchart of another embodiment of the parameter determination method of the air conditioner of the present application;

[0041] Figure 4 Flowchart of still another embodiment of the parameter determination method of the air conditioner of the present application.

[0042] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0043] It should be understood that the specific embodiments described herein are merely intended to explain the present application and not to limit the present application.

[0044] The main solution of the embodiment of the present application is: based on the air conditioner including the first fan wheel and the second fan wheel, obtaining the correlation between the fan power corresponding to the target air volume required by the target working condition and the energy efficiency value of the air conditioner; adjusting the first rotating speed of the first fan wheel and the second rotating speed of the second fan wheel according to the correlation; the first rotating speed and the second rotating speed are the rotating speed values of the fan reaching the target air volume corresponding to the preset energy efficiency value of the air conditioner obtained by testing; taking the adjusted first rotating speed as the first target running rotating speed of the first fan wheel under the target working condition, and taking the adjusted second rotating speed as the second target running rotating speed of the second fan wheel under the target working condition, so that the actual energy efficiency value of the air conditioner corresponding to the total power of the fan under the target working condition is greater than the preset energy efficiency value and the air volume of the fan reaches the target air volume.

[0045] In the prior art, the fan of the air conditioner generally only has one fan wheel, and the frequency, air volume and flow required to meet the capacity requirement of each working condition of the air conditioner are fixed, which leads to the fact that the energy efficiency value of the air conditioner cannot be adjusted after the test is completed, and if the energy efficiency value needs to be improved, the air conditioner needs to be debugged again, resulting in that the development time of the air conditioner is too long.

[0046] The present application provides the above-mentioned solution, which aims to improve the energy efficiency value of the air conditioner while saving the development and debugging time of the air conditioner.

[0047] The embodiment of the present application provides an air conditioner. The air conditioner can be any type of air conditioner such as a wall-mounted air conditioner, a ceiling-mounted air conditioner, a cabinet air conditioner, a mobile air conditioner, a window air conditioner, etc.

[0048] In the embodiment, referring to Figure 1 , the air conditioner includes a fan 2 and a control device 1, the fan 2 is connected with the control device 1, and the control device 1 can be used for regulating and controlling the operation of the fan 2. The fan 2 can specifically include an indoor fan and / or an outdoor fan.

[0049] In the embodiment, the outdoor fan includes the first fan wheel and the second fan wheel; in other embodiments, the indoor fan can also include the first fan wheel and the second fan wheel, or the indoor fan includes the first fan wheel and the second fan wheel and the outdoor fan includes the third fan wheel and the fourth fan wheel.

[0050] Further, referring to Figure 1 , the air conditioner can also include a compressor 3 and a throttling component 4, both of which are connected with the control device 1, and the control device 1 can be used to regulate the operation of the compressor 3 and the throttling component 4.

[0051] In the embodiment of the application, referring to Figure 1 , the control device 1 of the air conditioner includes a processor 1001 (such as a CPU), a memory 1002, a timer 1003, etc. The memory 1002 can be a high-speed RAM memory or a stable memory (non-volatile memory) such as a disk memory. The memory 1002 can also be a storage device independent of the aforementioned processor 1001.

[0052] Those skilled in the art can understand that Figure 1 the device structure shown in the above embodiments does not constitute a limitation on the device, and can include more or fewer components than those shown, or combine certain components, or different component arrangements.

[0053] As shown in Figure 1 , the memory 1002 as a computer readable storage medium can include a parameter determination program of the air conditioner. In the device shown in Figure 1 , the processor 1001 can be used to call the parameter determination program of the air conditioner stored in the memory 1002, and perform the related step operations of the parameter determination method of the air conditioner in the following embodiments.

[0054] The embodiment of the application also provides a parameter determination method of an air conditioner, which is applied to determine the operating parameters related to the energy efficiency value of the air conditioner.

[0055] Referring to Figure 2 , an embodiment of the parameter determination method of the air conditioner is proposed. In the embodiment, the fan of the air conditioner includes a first fan wheel and a second fan wheel, and in the embodiment, the fan is an outdoor fan; in other embodiments, the fan can also be an indoor fan. The parameter determination method of the air conditioner includes:

[0056] Step S10, obtaining a correlation relationship between a fan power corresponding to a target air volume required by a target working condition and an energy efficiency value of the air conditioner;

[0057] The target air volume is specifically a fan air volume required to achieve a rated refrigerating capacity or a rated heating capacity under a target working condition.

[0058] The energy efficiency value is a parameter for evaluating the energy saving effect of the air conditioner. In the embodiment, the energy efficiency value is the annual energy consumption efficiency of the air conditioner (i.e. the APF value). In other embodiments, a parameter for evaluating the energy saving effect of the air conditioner obtained by using other evaluation systems can also be used as the energy efficiency value herein.

[0059] The target working condition can be selected from a plurality of preset working conditions of the air conditioner according to the manually input parameter, or each working condition of the plurality of preset working conditions of the air conditioner can be sequentially taken as the target working condition.

[0060] The correlation corresponding to the target working condition can be a pre-stored fixed correlation, or a correlation determined according to the test parameter currently used to determine the preset energy efficiency value of the air conditioner.

[0061] The correlation specifically represents the variation characteristic of the energy efficiency value of the air conditioner with the fan power. The correlation can be one of the following correlations: the energy efficiency value is positively correlated with the fan power, the energy efficiency value is negatively correlated with the fan power, the energy efficiency value does not change with the change of the fan power, etc.

[0062] The correlations corresponding to different target working conditions are different. For example, the energy efficiency value is positively correlated with the fan power in the 25% refrigeration working condition, and the energy efficiency value is negatively correlated with the fan power in the rated refrigeration working condition.

[0063] In step S20, the first rotating speed of the first fan wheel and the second rotating speed of the second fan wheel are adjusted according to the correlation; the first rotating speed and the second rotating speed are the rotating speed values of the fan corresponding to the preset energy efficiency value of the air conditioner obtained by testing when the target air volume is reached;

[0064] Specifically, a corresponding relationship between the first rotational speed adjustment parameter corresponding to the first wind wheel and the second rotational speed adjustment parameter corresponding to the second wind wheel can be established in advance, where the corresponding relationship between the correlation and the first rotational speed adjustment parameter and the second rotational speed adjustment parameter can be determined based on a target air volume of the fan under a target working condition required for the air conditioner to determine the predicted energy efficiency value, and different target air volumes correspond to different corresponding relationships. The corresponding relationship here can be a calculation relationship, a mapping relationship, etc. The first rotational speed adjustment parameter and the second rotational speed adjustment parameter corresponding to the current correlation are determined based on the corresponding relationship, the first rotational speed is adjusted according to the determined first rotational speed adjustment parameter, and the second rotational speed is adjusted according to the second rotational speed adjustment parameter. For example, when the corresponding relationship is a preset formula, different correlations can correspond to different preset values (such as +1 for positive correlation and -1 for negative correlation), and the first rotational speed adjustment parameter and the second rotational speed adjustment parameter can be calculated by substituting the preset value corresponding to the current correlation into the preset formula; or, when the corresponding relationship is a preset mapping table, the matching result obtained by querying the mapping table based on the current correlation can be used as the first rotational speed adjustment parameter and the second rotational speed adjustment parameter.

[0065] Further, based on the above-mentioned corresponding relationship, the rotational speed relationship (such as the rotational speed ratio or the rotational speed difference, etc.) between the first wind wheel and the second wind wheel can be determined according to the correlation, and the first rotational speed adjustment parameter and the second rotational speed adjustment parameter corresponding to the first wind wheel and the second wind wheel, respectively, can be determined based on the rotational speed relationship.

[0066] In step S30, the adjusted first rotational speed is used as the first target running rotational speed of the first wind wheel under the target working condition, and the adjusted second rotational speed is used as the second target running rotational speed of the second wind wheel under the target working condition, so that the actual energy efficiency value of the air conditioner corresponding to the total power of the fan under the target working condition is greater than the preset energy efficiency value and the air volume of the fan reaches the target air volume.

[0067] Specifically, when the air conditioner is in the target working condition, the first wind wheel can be controlled to run at the first target running rotational speed, and the second wind wheel can be controlled to run at the second target running rotational speed. It should be noted that the first wind wheel and the second wind wheel can run in the same direction or in the opposite direction.

[0068] The first wind wheel is controlled to operate at a first target operating speed and the second wind wheel is controlled to operate at a second target operating speed under the target working condition, and at this time, the actual energy efficiency value of the air conditioner is greater than the preset energy efficiency value. Moreover, at this time, the air volume of the fan is consistent with the target air volume required for the air conditioner to reach the rated refrigerating capacity under the target working condition. The first wind wheel and the second wind wheel can have different speed combinations when the fan reaches the same air volume, the total power of the fan corresponding to different speed combinations is different, and then the actual energy efficiency value of the air conditioner can change with the total power, the first target operating speed and the second target operating speed are specifically the speeds that can make the fan reach the same air volume as the target air volume and make the total power of the fan change in the direction of improving the actual energy efficiency value compared with the power of the fan corresponding to the first speed and the second speed, so as to effectively improve the energy efficiency value of the air conditioner.

[0069] Moreover, when the correlation is that the energy efficiency value does not change with the change of the power of the fan, the first speed and the second speed can be kept unchanged, that is, the first speed is taken as the first target operating speed and the second speed is taken as the second target operating speed.

[0070] The parameter determination method of the air conditioner provided in the embodiment of the application adjusts the speed value corresponding to the preset energy efficiency value of the air conditioner based on the correlation between the power of the fan corresponding to the target air volume required under the target working condition and the energy efficiency value of the air conditioner. Since the fan has more than one wind wheel and the operating power of the fan can change with the change of the speed of each wind wheel, the speed of the two wind wheels corresponding to the preset energy efficiency value is adjusted based on the correlation between the energy efficiency under the target working condition and the power of the fan, so that even when the air volume of the fan required by the preset energy efficiency value is fixed, the actual energy efficiency value of the air conditioner under the target working condition can be higher than the preset energy efficiency value by changing the total power of the fan through the different matching of the speeds of the wind wheels, and the process only needs to test the preset energy efficiency value and does not need to retest the air conditioner, so that the energy efficiency value of the air conditioner is improved and the development and debugging time of the air conditioner is saved.

[0071] Further, based on the above embodiment, another embodiment of the parameter determination method of the air conditioner is provided. In the embodiment, referring to Figure 3 , the step S20 comprises:

[0072] The step S21 comprises:

[0073] The different correlations correspond to different target adjustment directions. Specifically, when the correlation is that the energy efficiency value of the air conditioner is positively correlated with the power of the fan, it is determined that the target adjustment direction is to increase the total power of the fan; when the correlation is that the energy efficiency value of the air conditioner is negatively correlated with the power of the fan, it is determined that the target adjustment direction is to reduce the total power of the fan.

[0074] adjusting the first rotating speed and the second rotating speed according to the first corresponding relationship, the second corresponding relationship and the target adjusting direction, so that a change direction of total power of the fan matches the target adjusting direction;

[0075] The first corresponding relationship is a corresponding relationship between a first power of the first fan and a rotating speed of the first fan when the first fan and the second fan are both opened, and the second corresponding relationship is a corresponding relationship between a second power of the second fan and a rotating speed of the second fan when the first fan and the second fan are both opened.

[0076] Specifically, the first corresponding relationship and the second corresponding relationship are different according to different target working conditions. Specifically, the first corresponding relationship and the second corresponding relationship can be obtained according to a target air volume of the fan required for the target working condition to reach a rated refrigerating capacity. The first corresponding relationship and the second corresponding relationship are different according to different target air volumes.

[0077] In the embodiment, the first corresponding relationship and the second corresponding relationship are a functional relationship between power and rotating speed. In other embodiments, the first corresponding relationship and the second corresponding relationship can also be a mapping relationship between power and rotating speed.

[0078] In the embodiment, when the target adjusting direction is to increase the total power of the fan, the first target rotating speed of the first fan and the second target rotating speed of the second fan are determined according to the first corresponding relationship and the second corresponding relationship, the first rotating speed is adjusted to the first target rotating speed, and the second rotating speed is adjusted to the second target rotating speed. The total power of the fan corresponding to the first target rotating speed and the second target rotating speed reaches a maximum value, and the air volume of the fan reaches the target air volume. When the target adjusting direction is to decrease the total power of the fan, the third target rotating speed of the first fan and the fourth target rotating speed of the second fan are determined according to the first corresponding relationship and the second corresponding relationship, the first rotating speed is adjusted to the third target rotating speed, and the second rotating speed is adjusted to the fourth target rotating speed. The total power of the fan corresponding to the third target rotating speed and the fourth target rotating speed reaches a minimum value, and the air volume of the fan reaches the target air volume.

[0079] The sum of the first power and the second power is the total power of the fan, based on which the first quantity relationship between the total power and the rotational speed of the first wind wheel and the rotational speed of the second wind wheel can be established according to the first power and the second power; the second quantity relationship (such as the rotational speed difference, the rotational speed sum, and / or the rotational speed ratio, etc.) between the rotational speed of the first wind wheel and the rotational speed of the second wind wheel corresponding to different target adjustment directions, for example, if the target adjustment direction is to increase the total power, the rotational speed difference between the rotational speed of the first wind wheel and the rotational speed of the second wind wheel can be smaller; if the target adjustment direction is to decrease the total power, the rotational speed difference between the rotational speed of the first wind wheel and the rotational speed of the second wind wheel can be larger. Specifically, the second quantity relationship can be substituted into the first quantity relationship to obtain the target quantity relationship between one of the rotational speed of the first wind wheel and the rotational speed of the second wind wheel and the total power, based on the target quantity relationship, the target rotational speed corresponding to one of the first wind wheel and the second wind wheel when the value of the total power is maximum is determined, and the target rotational speed is substituted into the second quantity relationship to determine the target rotational speed corresponding to the other of the first wind wheel and the second wind wheel. In addition, the first wind wheel and the second wind wheel generally have corresponding numerical intervals of allowed running rotational speeds, within which the first target interval of the adjusted rotational speed value of the first wind wheel and the second target interval of the adjusted rotational speed value of the second wind wheel that make the change direction of the total power consistent with the target adjustment direction can be determined according to the first quantity relationship and the second quantity relationship, the target value of the rotational speed of the first wind wheel after adjustment is determined within the first target interval, and the target value of the rotational speed of the second wind wheel after adjustment is determined within the second target interval.

[0080] In other embodiments, the current total power corresponding to the first rotational speed and the second rotational speed can also be obtained, the target total power greater than the current total power is taken as the known quantity of the first quantity relationship, and the first target rotational speed corresponding to the first wind wheel and the second target rotational speed corresponding to the second wind wheel are further calculated by combining the second quantity relationship, the first rotational speed is adjusted to the first target rotational speed, and the second rotational speed is adjusted to the second target frequency.

[0081] It should be noted that in the present embodiment, the rotational speed of the first wind wheel and / or the rotational speed of the second wind wheel in the first correspondence relationship and the second correspondence relationship both have a corresponding rotational speed range allowed to run (such as [0, 1500]).

[0082] In the embodiment, the first rotational speed and the second rotational speed are adjusted in combination with the target adjustment direction of the total power of the fan determined according to the correlation relationship and the corresponding relationship between the power and the rotational speed of each wind wheel in the fan, so that the first rotational speed and the second rotational speed are accurately adjusted, and the total power of the fan after the first rotational speed and the second rotational speed are adjusted can effectively improve the energy efficiency of the air conditioner under the target working condition. In which, the first target rotational speed and the second target rotational speed when the total power of the fan reaches the maximum value or the minimum value in the target adjustment direction are taken as the target values of the two wind wheel rotational speeds after adjustment, which is beneficial to improve the actual energy efficiency of the air conditioner under the target working condition to the best energy efficiency through the rotational speed cooperation of the two wind wheels.

[0083] Further, based on any of the above embodiments, another embodiment of a parameter determination method of the air conditioner is provided. In the embodiment, referring to Figure 4 , the step S10 comprises:

[0084] Step S11, obtaining preset operating parameters of the air conditioner corresponding to a plurality of preset working conditions for calculating the preset energy efficiency value, the target working condition being one of the plurality of preset working conditions, and the preset operating parameters corresponding to the target working condition including the target air volume;

[0085] The plurality of preset working conditions can be set according to the actual application scene of the air conditioner. In the embodiment, the plurality of preset working conditions includes part or all of the following working conditions: rated cooling working condition, intermediate cooling working condition, 25% cooling working condition, low-temperature cooling working condition, low-temperature intermediate cooling working condition, low-temperature 25% cooling working condition, rated heating working condition, intermediate heating working condition, 25% heating working condition, rated low-temperature working condition, etc.

[0086] In the embodiment, the preset operating parameters corresponding to each of the preset working conditions include the compressor frequency, the flow rate of the throttling component, and the air volume of the fan; in other embodiments, the preset operating parameters corresponding to each of the preset working conditions can also include operating parameters of other components, for example, operating parameters of an electric heating element in the air conditioner air duct, etc.

[0087] Before step S11, it can also include: under each of the preset working conditions, testing the operating parameters of the air conditioner when the actual cooling capacity of the air conditioner reaches the rated cooling capacity, and obtaining the preset operating parameters corresponding to each of the preset working conditions. The rated cooling capacities corresponding to different preset working conditions can be different. Specifically, the operating parameters of the air conditioner are adjusted under the preset working condition until the actual cooling capacity reaches the rated cooling capacity, and the current compressor operating frequency, the air volume of the indoor fan, the air volume of the outdoor fan, and the flow rate of the throttling component of the air conditioner are recorded as the preset operating parameters corresponding to the preset working condition when the actual cooling capacity reaches the rated cooling capacity.

[0088] Specifically, the evaluation criterion based on the energy-saving effect of the air conditioner can be pre-set as an energy efficiency value calculation formula, and a plurality of preset operating parameters corresponding to a plurality of preset working conditions are substituted into the energy efficiency value calculation formula, and the result obtained by calculation is taken as the preset energy efficiency value.

[0089] The first rotating speed and the second rotating speed corresponding to the preset energy efficiency value are specifically the rotating speed of the first fan wheel and the rotating speed of the second fan wheel when the target air volume is tested under the target working condition, that is, the air volume of the fan when the actual refrigerating capacity of the air conditioner reaches the rated refrigerating capacity under the target working condition.

[0090] In step S12, the first power of the fan corresponding to the target air volume is adjusted according to the preset adjustment direction, and a target fan power is obtained.

[0091] The first power is specifically the total power of the fan when the target air volume is tested under the target working condition, that is, the air volume of the fan when the actual refrigerating capacity of the air conditioner reaches the rated refrigerating capacity under the target working condition.

[0092] The preset adjustment direction is one of an increasing direction and a decreasing direction. Specifically, when the preset adjustment direction is the increasing direction, the target fan power can be obtained by increasing the first power; and when the preset adjustment direction is the decreasing direction, the target fan power can be obtained by decreasing the first power.

[0093] In step S13, a first energy efficiency value of the air conditioner is calculated according to the air volume of the fan corresponding to the first power and target operating parameters, and the target operating parameters are other parameters in the plurality of preset operating parameters except the target air volume.

[0094] Specifically, the result obtained by substituting the fan corresponding to the first power and the target operating parameters into the above-mentioned energy efficiency value calculation formula is taken as the first energy efficiency value.

[0095] In step S14, the correlation is determined according to the first energy efficiency value, the preset energy efficiency value and the preset adjustment direction.

[0096] Different first energy efficiency values, preset energy efficiency values and preset adjustment directions correspond to different correlations.

[0097] In the embodiment, the size relationship between the first energy efficiency value and the preset energy efficiency value can be determined, and the size relationship and the preset adjustment direction are taken as the correlation.

[0098] The size relationship is specifically one of a first relationship and a second relationship, the first relationship is that the first energy efficiency value is greater than the preset energy efficiency value, and the second relationship is that the first energy efficiency value is less than the preset energy efficiency value.

[0099] The different size relations and different preset adjustment directions correspond to different correlation relations.

[0100] In the embodiment, the step S14 comprises: determining a size relation between the first energy efficiency value and the preset energy efficiency value; determining that the correlation relation is that the energy efficiency value of the air conditioner is positively correlated with the fan power when the preset adjustment direction is to increase the first power and the size relation is a first relation, or when the preset adjustment direction is to decrease the first power and the size relation is a second relation; determining that the correlation relation is that the energy efficiency value of the air conditioner is negatively correlated with the fan power when the preset adjustment direction is to increase the first power and the size relation is the second relation, or when the preset adjustment direction is to decrease the first power and the size relation is the first relation; the first relation is that the first energy efficiency value is greater than the preset energy efficiency value, and the second relation is that the first energy efficiency value is less than the preset energy efficiency value.

[0101] In other embodiments, a difference value or a ratio value between the first energy efficiency value and the second energy efficiency value can also be determined, and the correlation relation herein is determined based on the difference value or the ratio value and the preset adjustment direction.

[0102] In the embodiment, the correlation relation between the fan power and the energy efficiency of the air conditioner under the target working condition can be accurately obtained by the above, so that accurate adjustment of the first rotating speed and the second rotating speed can be realized subsequently, and the energy efficiency of the air conditioner under the target working condition can be effectively improved.

[0103] In addition, an embodiment of the present application further provides a computer readable storage medium, and the computer readable storage medium stores an air conditioner parameter determination program. The air conditioner parameter determination program is executed by a processor to realize the related steps of any one of the above air conditioner parameter determination methods.

[0104] It should be noted that, in this document, the terms "comprising", "including", or any other variant thereof are intended to cover non-exclusive inclusions, so that processes, methods, articles, or systems that include a series of elements not only include those elements, but also include other elements not explicitly listed, or further include elements inherent to such processes, methods, articles, or systems. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of another identical element in the process, method, article, or system that includes the element.

[0105] The above-mentioned serial numbers of the embodiments of the present application are only for description, and do not represent the advantages and disadvantages of the embodiments.

[0106] Those skilled in the art can clearly understand the above-mentioned embodiment method can be realized by means of software and the necessary general hardware platform, of course, can also be through hardware, but in many cases the former is a better embodiment. Based on such understanding, the technical solutions of the present application essentially or say the part of the prior art contribution can be embodied in the form of software products, the computer software product is stored in a storage medium (such as ROM / RAM, magnetic disc, optical disc) as described above, including a number of instructions to make a terminal device (may be a mobile phone, computer, server, air conditioner, or network equipment, etc.) executes the method described in various embodiments of the present application.

[0107] The above is only the preferred embodiment of the present application, not therefore limit the patent scope of the present application, any equivalent structure or equivalent flow transformation made by using the content of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A method for determining the parameters of an air conditioner, characterized in that, The air conditioner's fan includes a first impeller and a second impeller, and the method for determining the air conditioner's parameters includes the following steps: The correlation between the fan power corresponding to the target air volume required under the target operating condition and the energy efficiency value of the air conditioner is obtained; The first rotational speed of the first impeller and the second rotational speed of the second impeller are adjusted according to the aforementioned relationship; the first rotational speed and the second rotational speed are the fan speed values ​​corresponding to the preset energy efficiency values ​​of the air conditioner obtained through testing, when the fan reaches the target air volume; The adjusted first speed is taken as the first target operating speed of the first impeller under the target operating condition, and the adjusted second speed is taken as the second target operating speed of the second impeller under the target operating condition, so that the actual energy efficiency value of the air conditioner corresponding to the total power of the fan under the target operating condition is greater than the preset energy efficiency value and the air volume of the fan reaches the target air volume.

2. The method for determining the parameters of an air conditioner as described in claim 1, characterized in that, The step of adjusting the first rotational speed of the first wind turbine and the second rotational speed of the second wind turbine according to the correlation includes: The target adjustment direction for the total power of the wind turbine is determined based on the aforementioned correlation. The first rotational speed and the second rotational speed are adjusted according to the first correspondence, the second correspondence, and the target adjustment direction, so that the change direction of the total power of the fan matches the target adjustment direction. Wherein, the first correspondence is the correspondence between the first power of the first wind turbine and its rotational speed when both the first wind turbine and the second wind turbine are turned on, and the second correspondence is the correspondence between the second power of the second wind turbine and its rotational speed when both the first wind turbine and the second wind turbine are turned on.

3. The method for determining the parameters of an air conditioner as described in claim 2, characterized in that, The step of determining the target adjustment direction of the total power of the wind turbine based on the correlation includes: When the correlation is that the energy efficiency value of the air conditioner is positively correlated with the power of the fan, increasing the total power of the fan is determined as the target adjustment direction. When the correlation is that the energy efficiency value of the air conditioner is negatively correlated with the power of the fan, reducing the total power of the fan is determined as the target adjustment direction.

4. The method for determining the parameters of an air conditioner as described in claim 2, characterized in that, The step of adjusting the first rotational speed and the second rotational speed according to the first correspondence, the second correspondence, and the target adjustment direction includes: When the target adjustment direction is to increase the total power of the fan, the first target speed of the first wind turbine and the second target speed of the second wind turbine are determined according to the first correspondence and the second correspondence. The first speed is adjusted to the first target speed, and the second speed is adjusted to the second target speed. The total power of the fan corresponding to the first target speed and the second target speed reaches the maximum value and the air volume of the fan reaches the target air volume. When the target adjustment direction is to reduce the total power of the fan, the third target speed of the first fan rotor and the fourth target speed of the second fan rotor are determined according to the first correspondence and the second correspondence. The first speed is adjusted to the third target speed, and the second speed is adjusted to the fourth target speed. The total power of the fan corresponding to the third target speed and the fourth target speed reaches the minimum value, and the air volume of the fan reaches the target air volume.

5. The method for determining the parameters of an air conditioner as described in any one of claims 1 to 4, characterized in that, The correlation between the fan power corresponding to the target air volume required for the target operating condition and the energy efficiency value of the air conditioner includes: Obtain preset operating parameters of the air conditioner corresponding to multiple preset operating conditions used to calculate the preset energy efficiency value, wherein the target operating condition is one of the multiple preset operating conditions, and the preset operating parameters corresponding to the target operating condition include the target air volume; Adjust the first power of the fan corresponding to the target air volume according to the preset adjustment direction to obtain the target fan power; The first energy efficiency value of the air conditioner is calculated based on the air volume of the fan corresponding to the first power and the target operating parameters; the target operating parameters are other parameters besides the target air volume among a plurality of preset operating parameters; The correlation is determined based on the first energy efficiency value, the preset energy efficiency value, and the preset adjustment direction.

6. The method for determining the parameters of an air conditioner as described in claim 5, characterized in that, Determining the correlation based on the first energy efficiency value, the preset energy efficiency value, and the preset adjustment direction includes: Determine the relationship between the first energy efficiency value and the preset energy efficiency value; When the preset adjustment direction is to increase the first power and the magnitude relationship is a first relationship, or when the preset adjustment direction is to decrease the first power and the magnitude relationship is a second relationship, the correlation relationship is determined to be that the energy efficiency value of the air conditioner is positively correlated with the fan power; When the preset adjustment direction is to increase the first power and the magnitude relationship is the second relationship, or when the preset adjustment direction is to decrease the first power and the magnitude relationship is the first relationship, the correlation relationship is determined to be that the energy efficiency value of the air conditioner is negatively correlated with the fan power; The first relationship is that the first energy efficiency value is greater than the preset energy efficiency value, and the second relationship is that the first energy efficiency value is less than the preset energy efficiency value.

7. The method for determining the parameters of an air conditioner as described in claim 5, characterized in that, Before obtaining the preset operating parameters of the air conditioner corresponding to the multiple preset operating conditions used to calculate the preset energy efficiency value, the method further includes: Under each preset operating condition, the operating parameters of the air conditioner are tested when the actual cooling capacity of the air conditioner reaches the rated cooling capacity, and the preset operating parameters corresponding to each preset operating condition are obtained.

8. The method for determining the parameters of an air conditioner as described in claim 7, characterized in that, The preset operating parameters corresponding to each preset operating condition include the compressor frequency, the flow rate of the throttling component, and the air volume of the fan.

9. An air conditioner, characterized in that, The air conditioner includes: The wind turbine includes a first impeller and a second impeller; A control device, wherein both the first impeller and the second impeller are connected to the control device, the control device comprising: a memory, a processor, and an air conditioner parameter determination program stored in the memory and executable on the processor, wherein when the air conditioner parameter determination program is executed by the processor, it implements the steps of the air conditioner parameter determination method as described in any one of claims 1 to 8.

10. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores a parameter determination program for an air conditioner, which, when executed by a processor, implements the steps of the parameter determination method for an air conditioner as described in any one of claims 1 to 8.

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