A control method and control device of an air conditioner and the air conditioner

Abstract

The application provides a control method and device of an air conditioner and the air conditioner. The control method comprises the following steps: detecting the outdoor environment temperature T 外环 , the air outlet temperature T 出风 and the set temperature T 设定 of the air conditioner; and controlling the running frequency of the compressor of the air conditioner according to the outdoor environment temperature T 外环 , the air outlet temperature T 出风 and the set temperature T 设定 . The running frequency of the compressor is adjusted by determining the target difference value ΔT 目标 and the frequency correction coefficient A according to the outdoor environment temperature T 外环 , the air outlet temperature T 出风 and the set temperature T 设定 , so as to change the air outlet temperature T 出风 of the air conditioner and make the air outlet temperature T 出风 easily reach the set temperature T 设定 .

Description

Technical Field

[0001] This invention relates to the field of air conditioning, and more specifically, to a control method, control device, and air conditioner for an air conditioner. Background Technology

[0002] Currently, the air outlet temperature of air conditioners is not constant during use, varying according to changes in the indoor and outdoor ambient temperatures. It cannot be adjusted according to the actual temperature setting via remote control, resulting in fluctuating temperatures and poor user comfort. Therefore, there is an urgent need to provide a control method for air conditioners to regulate the outlet temperature and improve user comfort. Summary of the Invention

[0003] The present invention aims to solve at least one of the above-mentioned technical problems.

[0004] Therefore, the first objective of this invention is to provide a control method for an air conditioner.

[0005] A second objective of the present invention is to provide a control device for an air conditioner.

[0006] A third objective of this invention is to provide an air conditioner.

[0007] To achieve the first objective of this invention, this invention provides a control method for an air conditioner, the control method comprising: detecting the outdoor ambient temperature T of the air conditioner. 外环 Air outlet temperature T 出风 and set temperature T 设定 According to the outdoor ambient temperature T 外环 Air conditioner outlet temperature T 出风 and set temperature T 设定 Control the operating frequency of the air conditioner's compressor.

[0008] Compared with existing technologies, the technical effects achieved by this solution are as follows: By detecting the outdoor ambient temperature T of the air conditioner... 外环 Air outlet temperature T 出风 and set temperature T 设定 This controls the operating frequency of the air conditioner's compressor. By adjusting the compressor's operating frequency, the air conditioner's outlet air temperature is adjusted to reach the set value, ensuring that the outlet air temperature is not affected by the outdoor ambient temperature T. 外环 The temperature fluctuates due to the influence of temperature changes, thereby meeting user needs and improving user comfort.

[0009] In the above technical solution, based on the outdoor ambient temperature T 外环 Air conditioner outlet temperature T 出风 and set temperature T 设定 Controlling the operating frequency of the air conditioner's compressor includes: based on the outdoor ambient temperature T 外环 Determine the target difference ΔT目标 ; Detect the set temperature T 设定 With the outlet air temperature T 出风 The actual difference ΔT between 实际 Determine the actual difference ΔT 实际 Difference from target ΔT 目标 The difference ΔT between 实际-目标 Based on the difference ΔT 实际-目标 Determine the compressor's frequency correction factor A; control the compressor's operating frequency based on the frequency correction factor A.

[0010] Compared with existing technologies, the technical effect achieved by adopting this technical solution is: through the actual difference ΔT 实际 Difference from target ΔT 目标 The difference ΔT between 实际-目标 To determine the compressor's frequency correction factor A, the compressor's frequency is continuously corrected based on A to reduce the difference ΔT. 实际-目标 Reduce the actual difference ΔT 实际 Difference from target ΔT 目标 The difference between them makes the actual difference ΔT 实际 Get as close as possible to the target difference ΔT 目标 To make the air conditioner's outlet temperature T 出风 It is easier to reach the set value.

[0011] In any of the above technical solutions, controlling the compressor's operating frequency according to the frequency correction coefficient A includes: obtaining the compressor's current target frequency F. 当前 According to the current target frequency F 当前 The calculated target frequency F of the compressor is determined by the frequency correction factor A. 计算 And control the compressor to run at the calculated target frequency F. 计算 ; Calculate the target frequency F 计算 F is obtained through the following formula: 计算 =F 当前 +F 当前 ×A.

[0012] Compared with existing technologies, the technical effect achieved by adopting this technical solution is as follows: the compressor frequency is corrected by the frequency correction coefficient A to adjust the compressor's operating frequency, thereby changing the air outlet temperature of the air conditioner to meet people's perceived needs for air outlet temperature.

[0013] In any of the above technical solutions, based on the outdoor ambient temperature T 外环 Determine the target difference ΔT 目标 Includes: determining multiple outdoor ambient temperatures T 外环 Temperature range; outdoor ambient temperature T 外环 Compare with multiple temperature ranges; determine the target difference ΔT based on the comparison results.目标 .

[0014] Compared with existing technologies, the technical effect achieved by adopting this technical solution is: to reduce the outdoor ambient temperature T 外环 Divide the temperature into multiple temperature ranges and set the outdoor ambient temperature T 外环 Compare with multiple temperature ranges to determine the outdoor ambient temperature T 外环 The appropriate target difference ΔT is determined by considering the temperature range in which the temperature range is located. 目标 To make the air conditioner's outlet temperature T 出风 It is easier to reach the set value.

[0015] In any of the above technical solutions, when the air conditioner is running in cooling mode, the target difference ΔT 目标 With outdoor ambient temperature T 外环 There is a negative correlation between them; and / or when the air conditioner is in heating mode, the target difference ΔT 目标 With outdoor ambient temperature T 外环 There is a positive correlation between them.

[0016] Compared with existing technologies, the technical effect achieved by this technical solution is as follows: In cooling mode, the target difference ΔT 目标 With outdoor ambient temperature T 外环 There is a negative correlation between them, that is, when the ambient temperature of the cooling environment is high, the target difference ΔT 目标 The smaller size makes the air conditioner's outlet air temperature T... 出风 It is easier to reach the set temperature T 设定 To meet user needs; while in heating mode, when the ambient temperature is low, the target difference ΔT 目标 Relatively small, outlet air temperature T 出风 It is easier to reach the set temperature T 设定 .

[0017] In any of the above technical solutions, based on the outdoor ambient temperature T 外环 Air conditioner outlet temperature T 出风 and set temperature T 设定 Controlling the operating frequency of the air conditioner's compressor also includes: obtaining the compressor's maximum operating frequency F. max According to the outdoor ambient temperature T 外环 Determine the outdoor ambient temperature correction factor B; based on the maximum operating frequency F max The initial operating frequency F of the compressor is determined by the outdoor ambient temperature correction factor B. 初始 And control the compressor to run at the initial operating frequency F. 初始 Initial operating frequency F 初始 F is obtained through the following formula: 初始 =F max ×B.

[0018] Compared with existing technologies, the technical effects achieved by adopting this technical solution are as follows: based on the compressor's maximum operating frequency F max and outdoor ambient temperature T 外环 Determine the outdoor ambient temperature correction factor B to determine the appropriate initial operating frequency F of the compressor. 初始 This ensures that the compressor can operate stably.

[0019] In any of the above technical solutions, based on the outdoor ambient temperature T 外环 Determining the outdoor ambient temperature correction factor B includes: determining multiple outdoor ambient temperatures T. 外环 Temperature range; outdoor ambient temperature T 外环 Compare with multiple temperature ranges; determine the outdoor ambient temperature correction factor B based on the comparison results.

[0020] Compared with existing technologies, the technical effect achieved by adopting this technical solution is: to reduce the outdoor ambient temperature T 外环 Divide the temperature into multiple temperature ranges and set the outdoor ambient temperature T 外环 Compare with multiple temperature ranges to determine the outdoor ambient temperature T 外环 The temperature range in which the unit is located is used to determine a suitable outdoor ambient temperature correction factor B, so that the initial operating frequency F of the air conditioner compressor is adjusted accordingly. 初始 More suitable.

[0021] In any of the above technical solutions, if the outdoor ambient temperature T 外环 Not greater than the outdoor ambient temperature threshold T 阈 The outdoor ambient temperature correction factor B is related to the outdoor ambient temperature T. 外环 There is a positive correlation; if the outdoor ambient temperature T 外环 greater than the outdoor ambient temperature threshold T 阈 The outdoor ambient temperature correction factor B is related to the outdoor ambient temperature T. 外环 The outdoor ambient temperature correction factor B is negatively correlated with the outdoor ambient temperature T when the air conditioner is in heating mode; and / or when the air conditioner is in heating mode. 外环 It shows a negative correlation.

[0022] Compared with existing technologies, the technical effects achieved by this solution are as follows: In cooling mode, the outdoor ambient temperature threshold T is set. 阈 When the outdoor ambient temperature T 外环 Not greater than the outdoor ambient temperature threshold T 阈 At that time, the outdoor ambient temperature correction factor B and the outdoor ambient temperature T 外环 A positive correlation can correct the compressor's initial operating frequency F. 初始 Up to a frequency that can operate stably; and when the outdoor ambient temperature T 外环 greater than the outdoor ambient temperature threshold T 阈To prevent excessive compressor pressure, the compressor's operating frequency should be appropriately reduced to ensure stable operation. Therefore, the outdoor ambient temperature correction factor B should be adjusted to match the outdoor ambient temperature T. 外环 There is a negative correlation; in heating mode, the outdoor ambient temperature correction factor B is negatively correlated with the outdoor ambient temperature T. 外环 A negative correlation can cause the compressor's initial operating frequency F to... 初始 The appropriate adjustments are made to ensure the compressor can operate smoothly.

[0023] To achieve the second objective of this invention, this invention provides a control device for an air conditioner, comprising: a detection module, the detection module being used to detect the outdoor ambient temperature T of the air conditioner. 外环 Air outlet temperature T 出风 and set temperature T 设定 The control module is used to adjust the outdoor ambient temperature T. 外环 Air outlet temperature T 出风 and the air conditioner set temperature T 设定 Control the operating frequency of the air conditioner's compressor.

[0024] The control device for the air conditioner of the present invention can realize the control method of the air conditioner as described in any technical solution of the present invention. Therefore, the control device for the air conditioner of the present invention has all the beneficial effects of the control method of the air conditioner as described in any technical solution of the present invention, which will not be repeated here.

[0025] To achieve the third objective of this invention, this invention provides an air conditioner, which includes: a processor, a memory, and a program or instructions stored in the memory and executable on the processor. When the program or instructions are executed by the processor, they implement the steps of the control method as described in any of the above technical solutions.

[0026] The air conditioner of the present invention can realize the control method of the air conditioner as described in any technical solution of the present invention. Therefore, the air conditioner of the present invention has all the beneficial effects of the control method of the air conditioner as described in any technical solution of the present invention, which will not be repeated here.

[0027] By adopting the technical solution of the present invention, the following technical effects can be achieved:

[0028] 1. Based on the outdoor ambient temperature T 外环 Air outlet temperature T 出风 and set temperature T 设定 Determine the target difference ΔT 目标 The frequency correction factor A is used to adjust the compressor's operating frequency, thereby changing the air outlet temperature T of the air conditioner. 出风 Make the outlet air temperature T 出风 It is easier to reach the set temperature T 设定 ;

[0029] 2. Based on the outdoor ambient temperature T 外环 Determine the outdoor ambient temperature correction factor B, and thus determine the appropriate initial operating frequency F of the compressor. 初始 This ensures that the compressor can operate stably. Attached Figure Description

[0030] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0031] Figure 1 This is a flowchart of the control method for an air conditioner according to an embodiment of the present invention;

[0032] Figure 2 This is a schematic diagram of the control device of an air conditioner according to an embodiment of the present invention.

[0033] Explanation of reference numerals in the attached figures:

[0034] 100 - Control device; 110 - Detection device; 120 - Control device. Detailed Implementation

[0035] To better understand the above-mentioned objectives, features, and advantages of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0036] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and therefore the scope of protection of the invention is not limited to the specific embodiments disclosed below.

[0037] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the following description is provided in conjunction with... Figure 1 and Figure 2 Specific embodiments of the present invention will be described in detail below.

[0038]

Example 1

[0039] like Figure 1 As shown, an embodiment of the present invention provides a control method for an air conditioner, the control method comprising: detecting the outdoor ambient temperature T of the air conditioner. 外环 Air outlet temperature T 出风 and set temperature T 设定 According to the outdoor ambient temperature T 外环 Air conditioner outlet temperature T 出风and set temperature T 设定 Control the operating frequency of the air conditioner's compressor.

[0040] In related technologies, the air outlet temperature of air conditioners is not constant, but varies depending on the temperature changes of the indoor and outdoor environments. It cannot be adjusted according to the temperature set by remote control according to actual needs, resulting in poor user comfort.

[0041] In view of this, embodiments of the present invention provide a control method for an air conditioner, which detects the outdoor ambient temperature T of the air conditioner. 外环 Air outlet temperature T 出风 and set temperature T 设定 This controls the operating frequency of the air conditioner's compressor, thereby controlling the air outlet temperature T. 出风 This improves user comfort.

[0042] Specifically, embodiments of the present invention detect the outdoor ambient temperature T of the air conditioner. 外环 Air outlet temperature T 出风 and set temperature T 设定 The compressor's operating frequency is adjusted by increasing the compressor frequency when the set temperature is low, which lowers the outlet air temperature, and decreasing the compressor frequency when the set temperature is high, which raises the outlet air temperature. This is done to adjust the air conditioner's outlet air temperature to reach the set value, ensuring that the outlet air temperature is not affected by the outdoor ambient temperature. 外环 The temperature fluctuates due to the influence of temperature changes, thereby meeting user needs and improving user comfort.

[0043] In some embodiments of the present invention, based on the outdoor ambient temperature T 外环 Air conditioner outlet temperature T 出风 and set temperature T 设定 Controlling the operating frequency of the air conditioner's compressor includes: based on the outdoor ambient temperature T 外环 Determine the target difference ΔT 目标 ; Detect the set temperature T 设定 With the outlet air temperature T 出风 The actual difference ΔT between 实际 Determine the actual difference ΔT 实际 Difference from target ΔT 目标 The difference ΔT between 实际-目标 Based on the difference ΔT 实际-目标 Determine the compressor's frequency correction factor A; control the compressor's operating frequency based on the frequency correction factor A.

[0044] Preferably, the actual difference ΔT 实际 Difference from target ΔT 目标 The difference ΔT between 实际-目标To determine the compressor's frequency correction factor A, the compressor's frequency is continuously corrected based on A to reduce the difference ΔT. 实际-目标 Reduce the actual difference ΔT 实际 Difference from target ΔT 目标 The difference between them makes the actual difference ΔT 实际 Get as close as possible to the target difference ΔT 目标 To make the air conditioner's outlet temperature T 出风 It is easier to reach the set value.

[0045] Preferably, when the actual difference ΔT 实际 Difference from target ΔT 目标 When the temperature difference is within 1°C, the difference is small and there is no need to adjust the compressor frequency; when the actual difference ΔT 实际 Greater than the target difference ΔT 目标 When the actual difference ΔT is reached, the compressor frequency should be appropriately reduced. 实际 Less than the target difference ΔT 目标 At this time, the compressor frequency should be increased appropriately.

[0046] Preferably, when the difference ΔT 实际-目标 When the temperature is greater than 8℃, the frequency correction factor A is preferably -10%; when the difference ΔT 实际-目标 Within the range of (5℃, 8℃), the frequency correction factor A is preferably -8%; when the difference ΔT 实际-目标 Within the range of (3℃, 5℃), the frequency correction factor A is preferably -5%; when the difference ΔT 实际-目标 Within the range of (1℃, 3℃), the frequency correction factor A is preferably -8%; when the difference ΔT 实际-目标 Within the range of [-1℃, 1℃], the frequency correction factor A is preferably 0%; when the difference ΔT 实际-目标 Within the range of [-3℃, -1℃), the frequency correction factor A is preferably 2%; when the difference ΔT 实际-目标 Within the range of [-5℃, -3℃), the frequency correction factor A is preferably 5%; when the difference ΔT 实际-目标 Within the range of [-8℃, -5℃), the frequency correction factor A is preferably 8%; when the difference ΔT 实际-目标 When the temperature is below -8℃, the frequency correction factor A is preferably 10%.

[0047] In some embodiments of the present invention, controlling the operating frequency of the compressor according to the frequency correction coefficient A includes: obtaining the current target frequency F of the compressor. 当前 According to the current target frequency F 当前 The calculated target frequency F of the compressor is determined by the frequency correction factor A. 计算 And control the compressor to run at the calculated target frequency F. 计算 ; Calculate the target frequency F计算 F is obtained through the following formula: 计算 =F 当前 +F 当前 ×A.

[0048] Preferably, in order to ensure that the air outlet temperature T of the air conditioner 出风 Able to reach the set temperature T 设定 The compressor frequency is corrected by a frequency correction factor A to adjust the compressor's operating frequency, thereby changing the air outlet temperature of the air conditioner to meet people's perceived needs for air outlet temperature.

[0049] Preferably, the compressor operates at its initial operating frequency F. 初始 Then, the operating frequency of the compressor was corrected to adjust the actual difference ΔT. 实际 Get as close as possible to the target difference ΔT 目标 To make the air conditioner's outlet temperature T 出风 It is easier to reach the set value. The compressor operating frequency is corrected once every cycle t, and the cycle t is preferably 30s.

[0050] Preferably, when the compressor's operating frequency is corrected for the first time, the compressor's current target frequency F is... 当前 This is the initial operating frequency F of the compressor. 初始 The current target frequency F when performing this operation again later. 当前 To detect the current frequency of the compressor.

[0051] In some embodiments of the present invention, based on the outdoor ambient temperature T 外环 Determine the target difference ΔT 目标 Includes: determining multiple outdoor ambient temperatures T 外环 Temperature range; outdoor ambient temperature T 外环 Compare with multiple temperature ranges; determine the target difference ΔT based on the comparison results. 目标 .

[0052] Preferably, the outdoor ambient temperature T 外环 Divide the temperature into multiple temperature ranges and set the outdoor ambient temperature T 外环 Compare with multiple temperature ranges to determine the outdoor ambient temperature T 外环 The appropriate target difference ΔT is determined by considering the temperature range in which the temperature range is located. 目标 To make the air conditioner's outlet temperature T 出风 It is easier to reach the set value.

[0053] Preferably, in cooling mode, the outdoor ambient temperature T 外环It is divided into five temperature ranges: less than 5℃, [5℃, 18℃), [18℃, 28℃), [28℃, 37℃), and greater than or equal to 37℃. Among these, when the outdoor ambient temperature T... 外环 When the temperature is less than 5℃, the target difference ΔT 目标 The preferred value is 10℃-16℃; when the outdoor ambient temperature T 外环 Within the range of [5℃, 18℃), the target difference ΔT 目标 The preferred value is 8℃-15℃; when the outdoor ambient temperature T 外环 Within the range [18℃, 28℃), the target difference ΔT 目标 The preferred value is 7℃-14℃; when the outdoor ambient temperature T 外环 Within the range [28℃, 37℃), the target difference ΔT 目标 The preferred value is 6℃-12℃; when the outdoor ambient temperature T 外环 When the temperature is greater than or equal to 37℃, the target difference ΔT 目标 The preferred value is 5℃-10℃.

[0054] Preferably, in heating mode, the outdoor ambient temperature T 外环 It is divided into five temperature ranges: less than -10℃, [-10℃, 0℃), [0℃, 10℃), [10℃, 20℃), and greater than or equal to 20℃. Among these, when the outdoor ambient temperature T... 外环 When the temperature is below -10℃, the target difference ΔT 目标 The preferred value is 7℃-15℃; when the outdoor ambient temperature T 外环 Within the range of [-10℃, 0℃), the target difference ΔT 目标 The preferred value is 10℃-20℃; when the outdoor ambient temperature T 外环 Within the range [0℃, 10℃), the target difference ΔT 目标 The preferred value is 12℃-22℃; when the outdoor ambient temperature T 外环 Within the range [10℃, 20℃), the target difference ΔT 目标 The preferred value is 16℃-25℃; when the outdoor ambient temperature T 外环 When the temperature is greater than or equal to 20℃, the target difference ΔT 目标 The preferred value is 20℃-30℃.

[0055] In some embodiments of the present invention, when the air conditioner is running in cooling mode, the target difference ΔT 目标 With outdoor ambient temperature T 外环 There is a negative correlation between them; and / or when the air conditioner is in heating mode, the target difference ΔT 目标 With outdoor ambient temperature T 外环 There is a positive correlation between them.

[0056] Preferably, in cooling mode, the target difference ΔT 目标 With outdoor ambient temperature T 外环 There is a negative correlation between them, that is, when the ambient temperature of the cooling environment is high, the target difference ΔT 目标 The smaller size makes the air conditioner's outlet air temperature T... 出风 It is easier to reach the set temperature T 设定 To meet user needs; while in heating mode, the target difference ΔT 目标 With outdoor ambient temperature T 外环 There is a positive correlation between them, that is, when the heating ambient temperature is low, the target difference ΔT 目标 Relatively small, outlet air temperature T 出风 It is easier to reach the set temperature T 设定 .

[0057] In some embodiments of the present invention, based on the outdoor ambient temperature T 外环 Air conditioner outlet temperature T 出风 and set temperature T 设定 Controlling the operating frequency of the air conditioner's compressor also includes: obtaining the compressor's maximum operating frequency F. max According to the outdoor ambient temperature T 外环 Determine the outdoor ambient temperature correction factor B; based on the maximum operating frequency F max The initial operating frequency F of the compressor is determined by the outdoor ambient temperature correction factor B. 初始 And control the compressor to run at the initial operating frequency F. 初始 Initial operating frequency F 初始 F is obtained through the following formula: 初始 =F max ×B.

[0058] Preferably, when the air conditioner is turned on, to prevent the compressor from shutting down due to excessive pressure or other reasons, it is necessary to control the compressor to operate at an appropriate initial frequency F. 初始 Operation; based on the compressor's maximum operating frequency F max and outdoor ambient temperature T 外环 Determine the outdoor ambient temperature correction factor B to determine the appropriate initial operating frequency F of the compressor. 初始 This ensures that the compressor can operate stably.

[0059] Preferably, the initial operating frequency F of the compressor 初始 It can also be a set value, that is, the initial operating frequency F of the compressor that has been set at the factory when the air conditioner leaves the factory. 初始 Once the air conditioner is started, the compressor should run at this frequency.

[0060] In some embodiments of the present invention, based on the outdoor ambient temperature T 外环Determining the outdoor ambient temperature correction factor B includes: determining multiple outdoor ambient temperatures T. 外环 Temperature range; outdoor ambient temperature T 外环 Compare with multiple temperature ranges; determine the outdoor ambient temperature correction factor B based on the comparison results.

[0061] Preferably, the outdoor ambient temperature T 外环 Divide the temperature into multiple temperature ranges and set the outdoor ambient temperature T 外环 Compare with multiple temperature ranges to determine the outdoor ambient temperature T 外环 The temperature range in which the unit is located is used to determine a suitable outdoor ambient temperature correction factor B, so that the initial operating frequency F of the air conditioner compressor is adjusted accordingly. 初始 More suitable.

[0062] Preferably, in cooling mode, the outdoor ambient temperature T 外环 It is divided into five temperature ranges: less than or equal to 18℃, (18℃, 24℃), (24℃, 30℃), (30℃, 43℃), and greater than 43℃. Among these, when the outdoor ambient temperature T... 外环 When the outdoor ambient temperature is less than or equal to 18℃, the preferred value of the outdoor ambient temperature correction factor B is 0.5-0.7; when the outdoor ambient temperature T... 外环 Within the range of (18℃, 24℃), the outdoor ambient temperature correction factor B is preferably set to 0.6-0.8; when the outdoor ambient temperature T 外环 Within the range of (24℃, 30℃), the outdoor ambient temperature correction factor B is preferably set to 0.7-0.9; when the outdoor ambient temperature T 外环 Within the range of (30℃, 43℃), the outdoor ambient temperature correction factor B is preferably set between 0.9 and 1.0; when the outdoor ambient temperature T... 外环 When the temperature is above 43℃, the outdoor ambient temperature correction factor B is preferably set to 0.6-0.8.

[0063] Preferably, in heating mode, the outdoor ambient temperature T 外环 It is divided into four temperature ranges: less than 7℃, [7℃, 12℃), [12℃, 17℃), and greater than or equal to 17℃. Among these, when the outdoor ambient temperature T... 外环 When the temperature is below 7℃, the outdoor ambient temperature correction factor B is preferably set to 0.5-0.7; when the outdoor ambient temperature T... 外环 Within the range of [7℃, 12℃), the outdoor ambient temperature correction factor B is preferably set to 0.6-0.8; when the outdoor ambient temperature T 外环 Within the range of [12℃, 17℃), the outdoor ambient temperature correction factor B is preferably set to 0.7-0.9; when the outdoor ambient temperature T 外环When the temperature is greater than or equal to 17℃, the outdoor ambient temperature correction factor B is preferably set to 0.9-1.0.

[0064] In some embodiments of the present invention, if the outdoor ambient temperature T 外环 Not greater than the outdoor ambient temperature threshold T 阈 The outdoor ambient temperature correction factor B is related to the outdoor ambient temperature T. 外环 There is a positive correlation; if the outdoor ambient temperature T 外环 greater than the outdoor ambient temperature threshold T 阈 Outdoor ambient temperature correction factor B and outdoor ambient temperature threshold T 阈 The outdoor ambient temperature correction factor B is negatively correlated with the outdoor ambient temperature threshold T when the air conditioner is in heating mode; and / or when the air conditioner is in heating mode. 阈 It shows a negative correlation.

[0065] Preferably, in cooling mode, the outdoor ambient temperature threshold T is set. 阈 When the outdoor ambient temperature T 外环 Not greater than the outdoor ambient temperature threshold T 阈 At that time, the outdoor ambient temperature correction factor B and the outdoor ambient temperature T 外环 A positive correlation can correct the compressor's initial operating frequency F. 初始 Up to a frequency that can operate stably; and when the outdoor ambient temperature T 外环 greater than the outdoor ambient temperature threshold T 阈 To prevent excessive compressor pressure, the compressor's operating frequency should be appropriately reduced to ensure stable operation. Therefore, the outdoor ambient temperature correction factor B should be adjusted to match the outdoor ambient temperature T. 外环 There is a negative correlation; in heating mode, the outdoor ambient temperature correction factor B is negatively correlated with the outdoor ambient temperature T. 外环 A negative correlation can cause the compressor's initial operating frequency F to... 初始 The appropriate adjustments are made to ensure the compressor can operate smoothly.

[0066] Preferably, in cooling mode, the outdoor ambient temperature threshold T 阈 The preferred temperature is 43℃, when the outdoor ambient temperature T 外环 When the outdoor ambient temperature is less than or equal to 43℃, the outdoor ambient temperature correction factor B varies with the outdoor ambient temperature T. 外环 Increase and increase; while when the outdoor ambient temperature T 外环 When the temperature is above 43℃, the outdoor ambient temperature correction factor B varies with the outdoor ambient temperature T. 外环 It decreases as it decreases.

[0067]

Example 2

[0068] This invention provides a control device 100 for an air conditioner, comprising: a detection module 110, the detection module 110 being used to detect the outdoor ambient temperature T of the air conditioner. 外环 Air outlet temperature T 出风 and set temperature T 设定 Control module 120, the control module 120 is used to adjust the outdoor ambient temperature T. 外环 Air outlet temperature T 出风 and the air conditioner set temperature T 设定 Control the operating frequency of the air conditioner's compressor.

[0069] Preferably, the control device 100 of the air conditioner has two parts: a detection module 110 and a control module 120. The detection module 110 is used to detect the outdoor ambient temperature T of the air conditioner. 外环 Air outlet temperature T 出风 and set temperature T 设定 The control module 120 is used to control the operating frequency of the air conditioner's compressor.

[0070] Preferably, the detection module 110 can also detect the compressor's maximum operating frequency F. max The control module 120 can also adjust the outdoor ambient temperature T. 外环 Determine the outdoor ambient temperature correction factor B, and based on the maximum operating frequency F. max The initial operating frequency F of the compressor is calculated using the outdoor ambient temperature correction factor B. 初始 And control the compressor to run at the initial operating frequency F. 初始 .

[0071] Preferably, the control module 120 can also adjust the outdoor ambient temperature T. 外环 Determine the target difference ΔT 目标 And calculate the set temperature T 设定 With the outlet air temperature T 出风 The actual difference ΔT between 实际 The difference between the actual and the actual value ΔT 实际 Difference from target ΔT 目标 The difference ΔT between 实际-目标 Based on the difference ΔT 实际-目标 Determine the compressor's frequency correction factor A, and correct the compressor's operating frequency based on the frequency correction factor A. The correction operation is performed once every interval t.

[0072]

Example 3

[0073] The present invention provides an air conditioner, which includes: a processor, a memory, and a program or instructions stored in the memory and executable on the processor. When the program or instructions are executed by the processor, they implement the steps of the manufacturing method as described in Embodiment 1.

[0074] Preferably, the air conditioner has a processor that can detect the outdoor ambient temperature T. 外环 Determine the target difference ΔT 目标 And calculate the set temperature T 设定 With the outlet air temperature T 出风 The actual difference ΔT between 实际 Based on the actual difference ΔT 实际 Difference from target ΔT 目标 The difference ΔT between 实际-目标 Determine the compressor's frequency correction factor A, and adjust the compressor's operating frequency according to the frequency correction factor A to achieve the desired air outlet temperature T of the air conditioner. 出风 Reaching the user-defined set temperature T 设定 .

[0075] Preferably, the air conditioner's processor can also adjust the outdoor ambient temperature T. 外环 Determine the outdoor ambient temperature correction factor B, and thus determine the appropriate initial operating frequency F of the compressor. 初始 This ensures that the compressor can operate stably.

[0076] In the description of this specification, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0077] While the present invention has been disclosed above, it is not limited thereto. Any person skilled in the art can make various modifications and alterations without departing from the spirit and scope of the invention; therefore, the scope of protection of the present invention should be determined by the scope defined in the claims.

Claims

1. A control method for an air conditioner, characterized in that, The control method includes: Detect the outdoor ambient temperature T of the air conditioner 外环 Air outlet temperature T 出风 and set temperature T 设定 ; According to the outdoor ambient temperature T 外环 The air outlet temperature T of the air conditioner 出风 and the set temperature T 设定 Controlling the operating frequency of the air conditioner's compressor includes: According to the outdoor ambient temperature T 外环 Determine the target difference ΔT 目标 ; Detect the set temperature T 设定 With the outlet air temperature T 出风 The actual difference ΔT between 实际 ; Determine the actual difference ΔT 实际 The difference ΔT between the target and the target 目标 The difference ΔT between 实际-目标 ; Based on the difference ΔT 实际-目标 Determine the frequency correction factor A of the compressor; The frequency of compressor operation is controlled according to the frequency correction coefficient A, specifically including: Obtain the current target frequency F of the compressor. 当前 ; According to the current target frequency F 当前 The calculated target frequency F of the compressor is determined by the frequency correction coefficient A. 计算 and control the compressor to run at the calculated target frequency F. 计算 ; The target frequency F is calculated using the following formula: F 计算 =F 当前 +F 当前 ×A; Specifically, when the air conditioner is in cooling mode, the target difference ΔT 目标 With the outdoor ambient temperature T 外环 There is a negative correlation between them; and When the air conditioner is in heating mode, the target difference ΔT 目标 With the outdoor ambient temperature T 外环 There is a positive correlation between them; The outdoor ambient temperature T 外环 The air outlet temperature T of the air conditioner 出风 and the set temperature T 设定 Controlling the operating frequency of the air conditioner's compressor also includes: Obtain the maximum operating frequency F of the compressor max ; According to the outdoor ambient temperature T 外环 Determine the outdoor ambient temperature correction factor B; According to the maximum operating frequency F max The initial operating frequency F of the compressor is determined by the outdoor ambient temperature correction factor B. 初始 And control the compressor to run at the initial operating frequency F. 初始 ; The initial operating frequency F 初始 It can be obtained through the following formula: F 初始 =F max ×B。 2. The control method according to claim 1, characterized in that, The outdoor ambient temperature T 外环 Determine the target difference ΔT 目标 include: Determine multiple outdoor ambient temperatures T 外环 Temperature range; The outdoor ambient temperature T 外环 Compare with multiple of the stated temperature ranges; The target difference ΔT is determined based on the comparison results. 目标 .

3. The control method according to claim 1, characterized in that, The outdoor ambient temperature T 外环 Determining the outdoor ambient temperature correction factor B includes: Determine multiple outdoor ambient temperatures T 外环 Temperature range; The outdoor ambient temperature T 外环 Compare with multiple of the stated temperature ranges; The outdoor ambient temperature correction factor B is determined based on the comparison results.

4. The control method according to claim 1, characterized in that, When the air conditioner is running in cooling mode, If the outdoor ambient temperature T 外环 Not greater than the threshold T of the outdoor ambient temperature 阈 The outdoor ambient temperature correction factor B is related to the outdoor ambient temperature T. 外环 Positive correlation; If the outdoor ambient temperature T 外环 The outdoor ambient temperature is greater than the threshold T. 阈 The outdoor ambient temperature correction factor B is related to the outdoor ambient temperature T. 外环 Negative correlation; or When the air conditioner is in heating mode, the outdoor ambient temperature correction coefficient B and the outdoor ambient temperature T 外环 It shows a negative correlation.

5. A control device for an air conditioner, characterized in that, Used to implement the control method as described in any one of claims 1-4, include: The detection module (110) is used to detect the outdoor ambient temperature T of the air conditioner. 外环 Air outlet temperature T 出风 and set temperature T 设定 ; Control module (120), the control module (120) is used to adjust the outdoor ambient temperature T according to the outdoor ambient temperature T. 外环 The outlet air temperature T 出风 and the set temperature T of the air conditioner 设定 Control the operating frequency of the air conditioner's compressor.

6. An air conditioner, characterized in that, The air conditioner includes: a processor, a memory, and a program or instructions stored in the memory and executable on the processor, wherein the program or instructions, when executed by the processor, implement the steps of the control method as described in any one of claims 1 to 4.

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