Air conditioning control method, device and air conditioning

Abstract

The present application belongs to the field of smart home appliances, and specifically relates to an air-conditioning control method, device and air-conditioner. The present application aims to solve the problem of large vibration amplitude in the air-conditioning of the prior art when the single-rotor compressor is running at low frequency. The air-conditioning control method, device and air-conditioner provided by the present application adjust the target exhaust temperature of the compressor according to the current outdoor ambient temperature and the current operating frequency of the compressor in the cooling mode when the compressor is running at low frequency, so that the adjusted target exhaust temperature is lower than the target exhaust temperature before adjustment. The opening of the electronic expansion valve is then adjusted according to the target exhaust temperature, so that the opening of the electronic expansion valve is increased, thereby reducing the vibration amplitude of the compressor. When the compressor is running at low frequency, this solution adjusts the target exhaust temperature of the compressor according to the current outdoor ambient temperature, and then adjusts the opening of the electronic expansion valve, thereby reducing the vibration amplitude of the compressor and the air-conditioning outdoor unit and improving the service life of the air-conditioner.

Description

Technical Field

[0001] The embodiments of the present application belong to the field of smart home appliances, and specifically relate to an air conditioning control method, device, and air conditioner. Background Art

[0002] With the development of science and technology and the improvement of people's living standards, the types and quantities of home appliances used in people's homes are increasing, and air conditioners are one of them.

[0003] In existing technology, air conditioners using single-rotor compressors typically operate at a low frequency during operation. This low-frequency operation not only saves energy and reduces noise, but also prevents frequent starts and stops, extending the compressor's lifespan and minimizing indoor temperature fluctuations. However, low-frequency operation of single-rotor compressors generates significant vibration, which in turn causes vibration in the air conditioner's outdoor unit, shortening its lifespan.

[0004] In summary, when the single-rotor compressor of the existing air conditioner operates at a low frequency, the vibration amplitude is large, resulting in a shorter life of the air conditioner. Summary of the Invention

[0005] In order to solve the above-mentioned problems in the prior art, that is, to solve the problem that when the single-rotor compressor of the prior art air conditioner operates at a low frequency, the vibration amplitude is large, resulting in a shorter life of the air conditioner, the embodiment of the present application provides an air conditioner control method, device and air conditioner.

[0006] In a first aspect, an embodiment of the present application provides an air conditioner control method, which is applied to an air conditioner having a single-rotor compressor, the method comprising:

[0007] When the operating mode of the air conditioner is a cooling mode, obtaining a current outdoor ambient temperature and a current operating frequency of the single-rotor compressor;

[0008] If the operating frequency is less than or equal to a preset low-frequency operating frequency threshold, adjusting the target exhaust temperature of the compressor according to the outdoor ambient temperature and the operating frequency to obtain an adjusted target exhaust temperature, wherein the adjusted target exhaust temperature is less than the target exhaust temperature before adjustment;

[0009] The opening of the electronic expansion valve in the air conditioner is adjusted according to the adjusted target exhaust temperature.

[0010] In the preferred technical solution of the above-mentioned air conditioning control method, adjusting the target exhaust temperature of the compressor according to the outdoor ambient temperature and the operating frequency to obtain the adjusted target exhaust temperature includes:

[0011] Determine a frequency weight value and a first temperature base value based on a relationship between the outdoor ambient temperature and a preset first temperature threshold interval, a preset second temperature threshold interval, a preset third temperature threshold interval, a preset fourth temperature threshold interval, a preset fifth temperature threshold interval, and a preset sixth temperature threshold interval, as well as the outdoor ambient temperature and the operating frequency; wherein, there is no intersection between the preset first temperature threshold interval and the preset sixth temperature threshold interval, any value of the preset first temperature threshold interval is less than any value of the preset second temperature threshold interval, any value of the preset second temperature threshold interval is less than any value of the preset third temperature threshold interval, any value of the preset third temperature threshold interval is less than any value of the preset fourth temperature threshold interval, any value of the preset fourth temperature threshold interval is less than any value of the preset fifth temperature threshold interval, and any value of the preset fifth temperature threshold interval is less than any value of the preset sixth temperature threshold interval;

[0012] The adjusted target exhaust temperature is determined according to the operating frequency, the frequency weight value, and the first temperature base value.

[0013] In the preferred technical solution of the above-mentioned air conditioning control method, determining the frequency weight value and the first temperature base value based on the relationship between the outdoor ambient temperature and the preset first temperature threshold interval, the preset second temperature threshold interval, the preset third temperature threshold interval, the preset fourth temperature threshold interval, the preset fifth temperature threshold interval, and the preset sixth temperature threshold interval, as well as the outdoor ambient temperature and the operating frequency, includes:

[0014] determining the temperature threshold interval to which the outdoor ambient temperature belongs among the preset first temperature threshold interval, the preset second temperature threshold interval, the preset third temperature threshold interval, the preset fourth temperature threshold interval, the preset fifth temperature threshold interval, and the preset sixth temperature threshold interval as a first target temperature threshold interval;

[0015] Using the formula K=k+x Tao, calculate the frequency weight value, using the formula B=T1-K F1, the first temperature base value is calculated; wherein K represents the frequency weight value, k represents the preset weight base value, Tao represents the outdoor ambient temperature, B represents the first temperature base value, x represents the preset adjustment parameter corresponding to the first target temperature threshold interval, T1 represents the target exhaust temperature before adjustment corresponding to the first target temperature threshold interval, and F1 represents the preset operating frequency threshold corresponding to the first target temperature threshold interval.

[0016] In a preferred technical solution of the above-mentioned air conditioning control method, determining the adjusted target exhaust temperature according to the operating frequency, the frequency weight value, and the first temperature base value includes:

[0017] Using the formula T=K F+B, the adjusted target exhaust temperature is calculated; wherein T represents the adjusted target exhaust temperature, K represents the frequency weight value, B represents the first temperature base value, and F represents the operating frequency.

[0018] In the preferred technical solution of the above air-conditioning control method, after obtaining the current outdoor ambient temperature and the current operating frequency of the single-rotor compressor, the method further includes:

[0019] If the operating frequency is greater than a preset low-frequency operating frequency threshold, the target exhaust temperature of the compressor is adjusted according to the outdoor ambient temperature and the operating frequency to obtain an adjusted target exhaust temperature.

[0020] In the preferred technical solution of the above-mentioned air conditioning control method, adjusting the target exhaust temperature of the compressor according to the outdoor ambient temperature and the operating frequency to obtain the adjusted target exhaust temperature includes:

[0021] Determine a second temperature base value based on a relationship between the outdoor ambient temperature and a preset first temperature threshold interval, a preset second temperature threshold interval, a preset third temperature threshold interval, a preset fourth temperature threshold interval, a preset fifth temperature threshold interval, and a preset sixth temperature threshold interval, as well as the outdoor ambient temperature and the operating frequency; wherein, there is no intersection between the preset first temperature threshold interval and the preset sixth temperature threshold interval, any value of the preset first temperature threshold interval is less than any value of the preset second temperature threshold interval, any value of the preset second temperature threshold interval is less than any value of the preset third temperature threshold interval, any value of the preset third temperature threshold interval is less than any value of the preset fourth temperature threshold interval, any value of the preset fourth temperature threshold interval is less than any value of the preset fifth temperature threshold interval, and any value of the preset fifth temperature threshold interval is less than any value of the preset sixth temperature threshold interval;

[0022] The adjusted target exhaust temperature is determined according to the operating frequency and the second temperature base value.

[0023] In a preferred technical solution of the above-mentioned air conditioning control method, determining the second temperature base value based on the relationship between the outdoor ambient temperature and the preset first temperature threshold interval, the preset second temperature threshold interval, the preset third temperature threshold interval, the preset fourth temperature threshold interval, the preset fifth temperature threshold interval, and the preset sixth temperature threshold interval, as well as the outdoor ambient temperature and the operating frequency, includes:

[0024] determining the temperature threshold interval to which the outdoor ambient temperature belongs among the preset first temperature threshold interval, the preset second temperature threshold interval, the preset third temperature threshold interval, the preset fourth temperature threshold interval, the preset fifth temperature threshold interval, and the preset sixth temperature threshold interval as the second target temperature threshold interval;

[0025] Use the formula B=T2-k F2, the second temperature base value is calculated; wherein B represents the second temperature base value, T2 represents the target exhaust temperature before adjustment corresponding to the second target temperature threshold interval, F2 represents the preset operating frequency threshold corresponding to the second target temperature threshold interval, and k represents the preset weight base value.

[0026] In the preferred technical solution of the above-mentioned air conditioning control method, determining the adjusted target exhaust temperature according to the operating frequency and the second temperature base value includes:

[0027] Using the formula T=k F+B, the adjusted target exhaust temperature is calculated; wherein T represents the adjusted target exhaust temperature, B represents the second temperature base value, and F represents the operating frequency.

[0028] In a second aspect, an embodiment of the present application provides an air conditioning control device, comprising:

[0029] an acquisition module, configured to acquire the current outdoor ambient temperature and the current operating frequency of the single-rotor compressor when the operating mode of the air conditioner is a cooling mode;

[0030] Processing module for:

[0031] If the operating frequency is less than or equal to a preset low-frequency operating frequency threshold, adjusting the target exhaust temperature of the compressor according to the outdoor ambient temperature and the operating frequency to obtain an adjusted target exhaust temperature, wherein the adjusted target exhaust temperature is less than the target exhaust temperature before adjustment;

[0032] The opening of the electronic expansion valve in the air conditioner is adjusted according to the adjusted target exhaust temperature.

[0033] In a third aspect, an embodiment of the present application provides an air conditioner, comprising:

[0034] Processor, memory, communication interface, single-rotor compressor, electronic expansion valve;

[0035] The memory is used to store executable instructions of the processor;

[0036] Wherein, the processor is configured to execute the air conditioning control method described in any one of the first aspects by executing the executable instructions.

[0037] It is understood by those skilled in the art that the air conditioning control method, device, and air conditioner provided in the embodiments of the present application, when an air conditioner having a single-rotor compressor determines that the operating mode is the cooling mode and the current operating frequency of the single-rotor compressor is less than a preset low-frequency operating frequency threshold, the air conditioner adjusts the target exhaust temperature of the compressor according to the current outdoor ambient temperature and the magnitude of the operating frequency, so that the adjusted target exhaust temperature is less than the target exhaust temperature before adjustment, and then adjusts the opening of the electronic expansion valve according to the target exhaust temperature, so that the opening of the electronic expansion valve is increased, and then the pressure difference between the air inlet and the exhaust port of the compressor is reduced, thereby reducing the vibration amplitude of the compressor. When the compressor is running at a low frequency, this solution adjusts the target exhaust temperature of the compressor according to the magnitude of the current outdoor ambient temperature, and then adjusts the opening of the electronic expansion valve, thereby reducing the vibration amplitude of the compressor and the air conditioner outdoor unit and improving the service life of the air conditioner. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] The preferred embodiment of the air conditioning control method of the present application is described below with reference to the accompanying drawings.

[0039] Figure 1 1 is a flow chart of the first embodiment of the air conditioning control method provided by the present application;

[0040] Figure 2 A flowchart of the second embodiment of the data visualization processing method provided in this application;

[0041] Figure 3 A schematic structural diagram of an embodiment of an air conditioning control device provided in this application;

[0042] Figure 4 This is a schematic diagram of the structure of the air conditioner provided in this application. DETAILED DESCRIPTION

[0043] First, those skilled in the art should understand that these embodiments are merely used to explain the technical principles of this application and are not intended to limit the scope of protection of this application. Those skilled in the art may adjust them as needed to suit specific applications.

[0044] Secondly, it should be noted that in the description of the embodiments of the present application, terms such as "inside" and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. This is only for the convenience of description and does not indicate or imply that the device or component must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present application.

[0045] In addition, it should be noted that in the description of the embodiments of this application, unless otherwise clearly specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. For those skilled in the art, the specific meanings of the above terms in the embodiments of this application can be understood according to the specific circumstances.

[0046] To make the purpose, technical solutions, and advantages of the embodiments of this application more clear, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the drawings in the embodiments of this application. Obviously, the described embodiments are part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0047] With the development of science and technology and the improvement of people's living standards, air conditioners are becoming more and more indispensable household appliances in life. However, users now have an increasing demand for energy-saving variable-frequency air conditioners, which means that air conditioners must operate at a lower frequency to achieve lower power consumption and achieve the purpose of energy saving and electricity saving; and low-frequency operation will also avoid frequent start-up and shutdown of the air conditioner to achieve temperature and achieve precise temperature control. Frequent start-up and shutdown will cause large fluctuations in the user's indoor temperature, seriously affecting the user experience; low-frequency operation will also reduce air conditioner noise and improve the user experience.

[0048] However, for air conditioners that use a single-rotor compressor, due to the current limitations of the compressor characteristics, the vibration amplitude is large when running at low frequency, which in turn causes the air conditioner outdoor unit to vibrate, affecting the life of the air conditioner.

[0049] This embodiment provides an air-conditioning control method that can reduce compressor vibration. The inventors found that in cooling mode, in order to ensure a better cooling effect, the target exhaust temperature of the compressor is relatively high, which will make the opening of the electronic expansion valve relatively small. This will cause the pressure difference between the air inlet and the exhaust port of the single-rotor compressor to increase, and then when the single-rotor compressor is running at a low frequency, the compressor will produce a larger vibration amplitude. Therefore, when the compressor of the air conditioner is running at a low frequency and in cooling mode, the air conditioner can adjust and determine the target exhaust temperature of the compressor according to the outdoor ambient temperature and the operating frequency of the compressor, so that the adjusted target exhaust temperature is lower than the target exhaust temperature before adjustment, and then adjust the opening of the electronic expansion valve according to the adjusted target exhaust temperature, so that the opening of the electronic expansion valve increases, and the pressure difference between the air inlet and the exhaust port of the compressor is reduced, which can effectively reduce the vibration amplitude of the compressor and also increase the service life of the air conditioner.

[0050] The principles and features of the embodiments of the present application are described below in conjunction with the accompanying drawings. The examples given are only used to explain the embodiments of the present application and are not used to limit the scope of the embodiments of the present application.

[0051] The following is an example of an application scenario of the air conditioning control method provided in this application.

[0052] When the current season is summer, the user returns home and turns on the air conditioner and switches it to cooling mode. The air conditioner is an air conditioner with a single-rotor compressor.

[0053] The air conditioner can determine that the current operating mode is the cooling mode, obtain the current outdoor ambient temperature and the current operating frequency of the single-rotor compressor to determine whether the compressor is in low-frequency operation.

[0054] When the operating frequency is less than or equal to the preset frequency threshold, the compressor is operating at a low frequency and its vibration amplitude needs to be reduced. The target exhaust temperature of the compressor is then adjusted based on the outdoor ambient temperature and the operating frequency. The adjusted target exhaust temperature is then lower than the target exhaust temperature before adjustment. By adjusting the opening of the electronic expansion valve in the air conditioner based on the adjusted target exhaust temperature, the opening of the electronic expansion valve can be increased, reducing the pressure difference between the compressor's inlet and exhaust ports, effectively reducing the compressor's vibration amplitude.

[0055] It should be noted that the embodiments of the present application do not limit the actual forms of various devices in the application scenarios. In the specific application of the solution, they can be set according to actual needs.

[0056] The technical solution of the present application is described in detail below through specific embodiments. It should be noted that the following specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments.

[0057] Figure 1 This is a flow chart of the first embodiment of the air-conditioning control method provided by the present application. The execution subject of the embodiment of the present application is an air-conditioning with a single-rotor compressor. The embodiment of the present application describes the case where the operating mode of the air-conditioning is cooling mode and the compressor is running at a low frequency, and the target exhaust temperature of the compressor is adjusted according to the current outdoor ambient temperature and the current operating frequency of the compressor to reduce the vibration amplitude of the compressor. The method in this embodiment can be implemented by software, hardware, or a combination of software and hardware. Figure 1 As shown, the air conditioning control method specifically includes the following steps:

[0058] S101: When the operation mode of the air conditioner is the cooling mode, the current outdoor ambient temperature and the current operating frequency of the single-rotor compressor are obtained.

[0059] In this step, when the air conditioner detects that its own operating mode is cooling mode, in order to determine whether the compressor is in low-frequency operation, it is necessary to first obtain the current outdoor ambient temperature and the current operating frequency of the single-rotor compressor.

[0060] S102: If the operating frequency is less than or equal to the preset low-frequency operating frequency threshold, the target exhaust temperature of the compressor is adjusted according to the outdoor ambient temperature and the operating frequency to obtain an adjusted target exhaust temperature.

[0061] In this step, after the air conditioner obtains the current outdoor ambient temperature and the current operating frequency of the single-rotor compressor, it determines whether the operating frequency is greater than a preset low-frequency operating frequency threshold. If the operating frequency is less than or equal to the preset low-frequency operating frequency threshold, the compressor is operating at a low frequency and the opening of the electronic expansion valve needs to be adjusted to reduce the vibration amplitude of the compressor. This requires adjusting the compressor's target exhaust temperature based on the outdoor ambient temperature and operating frequency. The adjusted target exhaust temperature is lower than the target exhaust temperature before adjustment.

[0062] Specifically, the frequency weight value and the first temperature base value are determined based on the relationship between the outdoor ambient temperature and the preset first temperature threshold interval, the preset second temperature threshold interval, the preset third temperature threshold interval, the preset fourth temperature threshold interval, the preset fifth temperature threshold interval, and the preset sixth temperature threshold interval, as well as the outdoor ambient temperature and the operating frequency; wherein, there is no intersection between the preset first temperature threshold interval and the preset sixth temperature threshold interval, any value of the preset first temperature threshold interval is less than any value of the preset second temperature threshold interval, any value of the preset second temperature threshold interval is less than any value of the preset third temperature threshold interval, any value of the preset third temperature threshold interval is less than any value of the preset fourth temperature threshold interval, any value of the preset fourth temperature threshold interval is less than any value of the preset fifth temperature threshold interval, and any value of the preset fifth temperature threshold interval is less than any value of the preset sixth temperature threshold interval.

[0063] The temperature threshold interval to which the outdoor ambient temperature belongs among the preset first temperature threshold interval, the preset second temperature threshold interval, the preset third temperature threshold interval, the preset fourth temperature threshold interval, the preset fifth temperature threshold interval, and the preset sixth temperature threshold interval is determined as the first target temperature threshold interval.

[0064] Using the formula K=k+x Tao, calculate the frequency weight value, using the formula B=T1-K F1, the first temperature base value is calculated; wherein K represents the frequency weight value, k represents the preset weight base value, Tao represents the outdoor ambient temperature, B represents the first temperature base value, x represents the preset adjustment parameter corresponding to the first target temperature threshold interval, T1 represents the target exhaust temperature before adjustment corresponding to the first target temperature threshold interval, and F1 represents the preset operating frequency threshold corresponding to the first target temperature threshold interval.

[0065] Exemplarily, Table 1 is a correspondence table of the first target temperature threshold range, preset adjustment parameters, target exhaust temperature before adjustment, and preset operating frequency threshold provided by this application.

[0066] Table 1

[0067]

[0068] As shown in Table 1, (-∞, 25] is a preset first temperature threshold interval, (25, 35] is a preset second temperature threshold interval, (35, 40] is a preset third temperature threshold interval, (40, 45] is a preset fourth temperature threshold interval, (45, 50] is a preset fifth temperature threshold interval, and (50, +∞) is a preset sixth temperature threshold interval.

[0069] It should be noted that the above examples are only examples of the first target temperature threshold range, preset adjustment parameters, target exhaust temperature before adjustment, preset operating frequency threshold, preset first temperature threshold range, preset second temperature threshold range, preset third temperature threshold range, preset fourth temperature threshold range, preset fifth temperature threshold range, and preset sixth temperature threshold range. The embodiments of the present application do not limit them, and they can be set according to actual situations.

[0070] It should be noted that for the preset first temperature threshold range to the preset sixth temperature threshold range, in the order of names, the corresponding preset adjustment parameters become larger; the corresponding target exhaust temperature before adjustment shows a normal distribution, that is, it first becomes larger and then smaller; the corresponding preset operating frequency threshold shows a normal distribution, that is, it first becomes larger and then smaller.

[0071] It should be noted that when the current operating frequency of the compressor is less than or equal to the preset low-frequency operating frequency threshold, this operating frequency is less than the preset operating frequency thresholds corresponding to each temperature threshold range in the preset first temperature threshold range to the preset sixth temperature threshold range.

[0072] It should be noted that the preset low-frequency operating frequency threshold can be 20Hz, 25Hz, or 30Hz. The embodiments of the present application do not limit the preset low-frequency operating frequency threshold, and it can be set according to actual situations.

[0073] It should be noted that the preset weight base value can be 0.1, 0.2, or 0.3. The embodiments of the present application do not limit the preset weight base value, and it can be set according to actual situations.

[0074] Furthermore, according to the operating frequency, frequency weight value, and first temperature base value, the adjusted target exhaust temperature is determined.

[0075] Using the formula T = K F + B, the adjusted target exhaust temperature is calculated; where T represents the adjusted target exhaust temperature, K represents the frequency weight value, B represents the first temperature base value, and F represents the operating frequency.

[0076] From the formula T = K F + B and B = T1 - K F1, we can get T = T1 + K (F - F1). In the same scenario, the outdoor ambient temperature before adjusting the target exhaust temperature and after adjusting the target exhaust temperature is the same, and the operating frequency of the single-rotor compressor is the same. So K > 0, F - F1 < 0, and we can get K (F - F1) < 0, T < T1, that is, the adjusted target exhaust temperature is less than the target exhaust temperature before adjustment.

[0077] S103: Adjusting the opening of the electronic expansion valve in the air conditioner according to the adjusted target exhaust temperature.

[0078] In this step, after the air conditioner obtains the adjusted target exhaust temperature, the opening of the electronic expansion valve in the air conditioner is adjusted based on the adjusted target exhaust temperature. Because the adjusted target exhaust temperature is lower than the target exhaust temperature before adjustment, the opening of the electronic expansion valve is increased, reducing the pressure difference between the compressor's inlet and exhaust ports, effectively reducing the vibration amplitude of the compressor.

[0079] It should be noted that, the higher the target exhaust temperature, the smaller the opening of the electronic expansion valve; and the lower the target exhaust temperature, the larger the opening of the electronic expansion valve.

[0080] It should be noted that if the opening of the electronic expansion valve after adjustment is greater than the preset cooling opening threshold, the opening of the electronic expansion valve is adjusted to the preset cooling opening threshold. The preset cooling opening threshold can be 150, 200, or even 230. This embodiment of the application does not limit the preset cooling opening threshold and can be set according to actual conditions.

[0081] The air conditioning control method provided in this embodiment adjusts the target exhaust temperature of the compressor according to the current outdoor ambient temperature and the current operating frequency of the compressor when the operating mode of the air conditioner is the cooling mode and the current operating frequency of the single-rotor compressor is less than or equal to the preset low-frequency operating frequency threshold, so that the adjusted target exhaust temperature is less than the target exhaust temperature before adjustment, and then adjusts the opening of the electronic expansion valve according to the target exhaust temperature, so that the opening of the electronic expansion valve increases and the vibration amplitude of the compressor is reduced. When the compressor is running at a low frequency, this solution adjusts the target exhaust temperature of the compressor according to the current outdoor ambient temperature and then adjusts the opening of the electronic expansion valve, thereby reducing the vibration amplitude of the compressor and the air conditioner outdoor unit and improving the service life of the air conditioner. In addition, the opening of the electronic expansion valve after adjustment will not be greater than the preset cooling opening threshold, which can ensure the cooling effect of the air conditioner.

[0082] Figure 2 This is a flow chart of the second embodiment of the data visualization processing method provided by this application. Based on the above embodiment, this embodiment of the application describes the situation where the air conditioner adjusts the target exhaust temperature and the opening of the electronic expansion valve when the operating frequency is greater than the preset low-frequency operating frequency threshold. Figure 2 As shown, in this embodiment, the air conditioning control method specifically includes the following steps:

[0083] S201: If the operating frequency is greater than a preset low-frequency operating frequency threshold, the target exhaust temperature of the compressor is adjusted according to the outdoor ambient temperature and the operating frequency to obtain an adjusted target exhaust temperature.

[0084] In this step, the air conditioner obtains the current outdoor ambient temperature and the current operating frequency of the single-rotor compressor. If the operating frequency is greater than the preset low-frequency operating frequency threshold, in order to ensure the cooling effect and reduce the vibration of the compressor, it is necessary to adjust the target exhaust temperature of the compressor according to the outdoor ambient temperature and operating frequency to obtain the adjusted target exhaust temperature.

[0085] Specifically, the second temperature base value is determined according to the relationship between the outdoor ambient temperature and the preset first temperature threshold interval, the preset second temperature threshold interval, the preset third temperature threshold interval, the preset fourth temperature threshold interval, the preset fifth temperature threshold interval, and the preset sixth temperature threshold interval, as well as the outdoor ambient temperature and the operating frequency; wherein, there is no intersection between the preset first temperature threshold interval and the preset sixth temperature threshold interval, any value of the preset first temperature threshold interval is less than any value of the preset second temperature threshold interval, any value of the preset second temperature threshold interval is less than any value of the preset third temperature threshold interval, any value of the preset third temperature threshold interval is less than any value of the preset fourth temperature threshold interval, any value of the preset fourth temperature threshold interval is less than any value of the preset fifth temperature threshold interval, and any value of the preset fifth temperature threshold interval is less than any value of the preset sixth temperature threshold interval.

[0086] The temperature threshold interval to which the outdoor ambient temperature belongs among the preset first temperature threshold interval, the preset second temperature threshold interval, the preset third temperature threshold interval, the preset fourth temperature threshold interval, the preset fifth temperature threshold interval, and the preset sixth temperature threshold interval is determined as the second target temperature threshold interval.

[0087] Use the formula B=T2-k F2, the second temperature base value is calculated; wherein B represents the second temperature base value, T2 represents the target exhaust temperature before adjustment corresponding to the second target temperature threshold interval, F2 represents the preset operating frequency threshold corresponding to the second target temperature threshold interval, and k represents the preset weight base value.

[0088] Then, the adjusted target exhaust temperature is determined according to the operating frequency and the second temperature base value.

[0089] Using the formula T=k F+B, the adjusted target exhaust temperature is calculated; wherein T represents the adjusted target exhaust temperature, B represents the second temperature base value, and F represents the operating frequency.

[0090] S202: Adjust the opening of the electronic expansion valve in the air conditioner according to the adjusted target exhaust temperature.

[0091] In this step, after the air conditioner obtains the adjusted target exhaust temperature, the opening of the electronic expansion valve in the air conditioner is adjusted based on the adjusted target exhaust temperature. The higher the target exhaust temperature, the smaller the opening of the electronic expansion valve; the lower the target exhaust temperature, the larger the opening of the electronic expansion valve.

[0092] The air conditioning control method provided in this embodiment adjusts the target exhaust temperature of the compressor according to the outdoor ambient temperature and the operating frequency when the operating frequency is greater than the preset low-frequency operating frequency threshold, and then adjusts the opening of the electronic expansion valve. This not only ensures the cooling effect of the air conditioner, but also reduces the vibration amplitude of the compressor, thereby effectively improving the service life of the air conditioner.

[0093] Figure 3 This is a schematic diagram of the structure of an embodiment of the air conditioning control device provided by this application; the device can be integrated into the air conditioning in the above method embodiment, or can be implemented by the air conditioning in the above method embodiment. Figure 3 As shown, the air conditioning control device 30 includes:

[0094] an acquisition module 31 for acquiring the current outdoor ambient temperature and the current operating frequency of the single-rotor compressor when the operating mode of the air conditioner is the cooling mode;

[0095] The processing module 32 is configured to:

[0096] If the operating frequency is less than or equal to a preset low-frequency operating frequency threshold, adjusting the target exhaust temperature of the compressor according to the outdoor ambient temperature and the operating frequency to obtain an adjusted target exhaust temperature, wherein the adjusted target exhaust temperature is less than the target exhaust temperature before adjustment;

[0097] The opening of the electronic expansion valve in the air conditioner is adjusted according to the adjusted target exhaust temperature.

[0098] Furthermore, the processing module 32 is specifically configured to:

[0099] Determine a frequency weight value and a first temperature base value based on a relationship between the outdoor ambient temperature and a preset first temperature threshold interval, a preset second temperature threshold interval, a preset third temperature threshold interval, a preset fourth temperature threshold interval, a preset fifth temperature threshold interval, and a preset sixth temperature threshold interval, as well as the outdoor ambient temperature and the operating frequency; wherein, there is no intersection between the preset first temperature threshold interval and the preset sixth temperature threshold interval, any value of the preset first temperature threshold interval is less than any value of the preset second temperature threshold interval, any value of the preset second temperature threshold interval is less than any value of the preset third temperature threshold interval, any value of the preset third temperature threshold interval is less than any value of the preset fourth temperature threshold interval, any value of the preset fourth temperature threshold interval is less than any value of the preset fifth temperature threshold interval, and any value of the preset fifth temperature threshold interval is less than any value of the preset sixth temperature threshold interval;

[0100] The adjusted target exhaust temperature is determined according to the operating frequency, the frequency weight value, and the first temperature base value.

[0101] Furthermore, the processing module 32 is further configured to:

[0102] determining the temperature threshold interval to which the outdoor ambient temperature belongs among the preset first temperature threshold interval, the preset second temperature threshold interval, the preset third temperature threshold interval, the preset fourth temperature threshold interval, the preset fifth temperature threshold interval, and the preset sixth temperature threshold interval as a first target temperature threshold interval;

[0103] Using the formula K=k+x Tao, calculate the frequency weight value, using the formula B=T1-K F1, the first temperature base value is calculated; wherein K represents the frequency weight value, k represents the preset weight base value, Tao represents the outdoor ambient temperature, B represents the first temperature base value, x represents the preset adjustment parameter corresponding to the first target temperature threshold interval, T1 represents the target exhaust temperature before adjustment corresponding to the first target temperature threshold interval, and F1 represents the preset operating frequency threshold corresponding to the first target temperature threshold interval.

[0104] Furthermore, the processing module 32 is further configured to:

[0105] Using the formula T=K F+B, the adjusted target exhaust temperature is calculated; wherein T represents the adjusted target exhaust temperature, K represents the frequency weight value, B represents the first temperature base value, and F represents the operating frequency.

[0106] Furthermore, the processing module 32 is further configured to adjust the target exhaust temperature of the compressor according to the outdoor ambient temperature and the operating frequency to obtain an adjusted target exhaust temperature if the operating frequency is greater than a preset low-frequency operating frequency threshold.

[0107] Furthermore, the processing module 32 is further configured to:

[0108] Determine a second temperature base value based on a relationship between the outdoor ambient temperature and a preset first temperature threshold interval, a preset second temperature threshold interval, a preset third temperature threshold interval, a preset fourth temperature threshold interval, a preset fifth temperature threshold interval, and a preset sixth temperature threshold interval, as well as the outdoor ambient temperature and the operating frequency; wherein, there is no intersection between the preset first temperature threshold interval and the preset sixth temperature threshold interval, any value of the preset first temperature threshold interval is less than any value of the preset second temperature threshold interval, any value of the preset second temperature threshold interval is less than any value of the preset third temperature threshold interval, any value of the preset third temperature threshold interval is less than any value of the preset fourth temperature threshold interval, any value of the preset fourth temperature threshold interval is less than any value of the preset fifth temperature threshold interval, and any value of the preset fifth temperature threshold interval is less than any value of the preset sixth temperature threshold interval;

[0109] The adjusted target exhaust temperature is determined according to the operating frequency and the second temperature base value.

[0110] Furthermore, the processing module 32 is further configured to:

[0111] determining the temperature threshold interval to which the outdoor ambient temperature belongs among the preset first temperature threshold interval, the preset second temperature threshold interval, the preset third temperature threshold interval, the preset fourth temperature threshold interval, the preset fifth temperature threshold interval, and the preset sixth temperature threshold interval as the second target temperature threshold interval;

[0112] Use the formula B=T2-k F2, the second temperature base value is calculated; wherein B represents the second temperature base value, T2 represents the target exhaust temperature before adjustment corresponding to the second target temperature threshold interval, F2 represents the preset operating frequency threshold corresponding to the second target temperature threshold interval, and k represents the preset weight base value.

[0113] Furthermore, the processing module 32 is further configured to:

[0114] Using the formula T=k F+B, the adjusted target exhaust temperature is calculated; wherein T represents the adjusted target exhaust temperature, B represents the second temperature base value, and F represents the operating frequency.

[0115] The air conditioning control device provided in this embodiment is used to execute the technical solution of the air conditioning in any of the aforementioned method embodiments. Its implementation principle and technical effects are similar and will not be repeated here.

[0116] Figure 4 This is a schematic diagram of the structure of the air conditioner provided in this application. Figure 4 As shown, the air conditioner 40 includes:

[0117] Processor 41, memory 42, communication interface 43, single-rotor compressor 44, electronic expansion valve 45;

[0118] The memory 42 is used to store executable instructions of the processor 41;

[0119] The processor 41 is configured to execute the technical solution of the air conditioner in any of the aforementioned method embodiments by executing the executable instructions.

[0120] Optionally, the memory 42 can be independent or integrated with the processor 41.

[0121] Optionally, when the memory 42 is a device independent of the processor 41, the air conditioner 40 may further include:

[0122] The bus 46 , the memory 42 and the communication interface 43 are connected to the processor 41 via the bus 46 and communicate with each other. The communication interface 43 is used to communicate with other devices.

[0123] Optionally, communication interface 43 may be implemented using a transceiver. The communication interface is used to enable communication between the database access device and other devices (e.g., clients, read-write libraries, and read-only libraries). The memory may include random access memory (RAM) and may also include non-volatile memory, such as at least one disk storage device.

[0124] Bus 46 may be a Peripheral Component Interconnect (PCI) bus or an Extended Industry Standard Architecture (EISA) bus. Buses can be categorized as address buses, data buses, and control buses. For ease of illustration, the figure uses only one thick line, but this does not imply that there is only one bus or only one type of bus.

[0125] The above-mentioned processors can be general-purpose processors, including central processing units (CPUs), network processors (NPs), etc.; they can also be digital signal processors (DSPs), application-specific integrated circuits (ASICs), field programmable gate arrays (FPGAs), or other programmable logic devices, discrete gate or transistor logic devices, or discrete hardware components.

[0126] The air conditioner is used to implement the technical solution of the air conditioner in any of the aforementioned method embodiments, and its implementation principle and technical effects are similar, which will not be repeated here.

[0127] An embodiment of the present application further provides a readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the technical solution provided by any of the aforementioned method embodiments.

[0128] An embodiment of the present application also provides a computer program product, including a computer program, which, when executed by a processor, is used to implement the technical solution provided by any of the aforementioned method embodiments.

[0129] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some or all of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims

1. An air conditioning control method, characterized in that: Applied to an air conditioner having a single-rotor compressor, the method comprises: When the operating mode of the air conditioner is a cooling mode, obtaining a current outdoor ambient temperature and a current operating frequency of the single-rotor compressor; If the operating frequency is less than or equal to a preset low-frequency operating frequency threshold, adjusting the target exhaust temperature of the compressor according to the outdoor ambient temperature and the operating frequency to obtain an adjusted target exhaust temperature, wherein the adjusted target exhaust temperature is less than the target exhaust temperature before adjustment; The opening of the electronic expansion valve in the air conditioner is adjusted according to the adjusted target exhaust temperature.

2. The method according to claim 1, characterized in that The step of adjusting the target exhaust temperature of the compressor according to the outdoor ambient temperature and the operating frequency to obtain the adjusted target exhaust temperature includes: Determine a frequency weight value and a first temperature base value based on a relationship between the outdoor ambient temperature and a preset first temperature threshold interval, a preset second temperature threshold interval, a preset third temperature threshold interval, a preset fourth temperature threshold interval, a preset fifth temperature threshold interval, and a preset sixth temperature threshold interval, as well as the outdoor ambient temperature and the operating frequency; wherein, there is no intersection between the preset first temperature threshold interval and the preset sixth temperature threshold interval, any value of the preset first temperature threshold interval is less than any value of the preset second temperature threshold interval, any value of the preset second temperature threshold interval is less than any value of the preset third temperature threshold interval, any value of the preset third temperature threshold interval is less than any value of the preset fourth temperature threshold interval, any value of the preset fourth temperature threshold interval is less than any value of the preset fifth temperature threshold interval, and any value of the preset fifth temperature threshold interval is less than any value of the preset sixth temperature threshold interval; The adjusted target exhaust temperature is determined according to the operating frequency, the frequency weight value, and the first temperature base value.

3. The method according to claim 2, characterized in that The determining of the frequency weight value and the first temperature base value according to the relationship between the outdoor ambient temperature and a preset first temperature threshold interval, a preset second temperature threshold interval, a preset third temperature threshold interval, a preset fourth temperature threshold interval, a preset fifth temperature threshold interval, and a preset sixth temperature threshold interval, as well as the outdoor ambient temperature and the operating frequency, includes: determining the temperature threshold interval to which the outdoor ambient temperature belongs among the preset first temperature threshold interval, the preset second temperature threshold interval, the preset third temperature threshold interval, the preset fourth temperature threshold interval, the preset fifth temperature threshold interval, and the preset sixth temperature threshold interval as a first target temperature threshold interval; Using the formula K=k+x Tao, calculate the frequency weight value, using the formula B=T1-K F1, the first temperature base value is calculated; wherein K represents the frequency weight value, k represents the preset weight base value, Tao represents the outdoor ambient temperature, B represents the first temperature base value, x represents the preset adjustment parameter corresponding to the first target temperature threshold interval, T1 represents the target exhaust temperature before adjustment corresponding to the first target temperature threshold interval, and F1 represents the preset operating frequency threshold corresponding to the first target temperature threshold interval.

4. The method according to claim 3, characterized in that The step of determining the adjusted target exhaust temperature according to the operating frequency, the frequency weight value, and the first temperature base value includes: Using the formula T=K F+B, the adjusted target exhaust temperature is calculated; wherein T represents the adjusted target exhaust temperature, K represents the frequency weight value, B represents the first temperature base value, and F represents the operating frequency.

5. The method according to claim 1, wherein After obtaining the current outdoor ambient temperature and the current operating frequency of the single-rotor compressor, the method further includes: If the operating frequency is greater than a preset low-frequency operating frequency threshold, the target exhaust temperature of the compressor is adjusted according to the outdoor ambient temperature and the operating frequency to obtain an adjusted target exhaust temperature.

6. The method according to claim 5, characterized in that The step of adjusting the target exhaust temperature of the compressor according to the outdoor ambient temperature and the operating frequency to obtain the adjusted target exhaust temperature includes: Determine a second temperature base value based on a relationship between the outdoor ambient temperature and a preset first temperature threshold interval, a preset second temperature threshold interval, a preset third temperature threshold interval, a preset fourth temperature threshold interval, a preset fifth temperature threshold interval, and a preset sixth temperature threshold interval, as well as the outdoor ambient temperature and the operating frequency; wherein, there is no intersection between the preset first temperature threshold interval and the preset sixth temperature threshold interval, any value of the preset first temperature threshold interval is less than any value of the preset second temperature threshold interval, any value of the preset second temperature threshold interval is less than any value of the preset third temperature threshold interval, any value of the preset third temperature threshold interval is less than any value of the preset fourth temperature threshold interval, any value of the preset fourth temperature threshold interval is less than any value of the preset fifth temperature threshold interval, and any value of the preset fifth temperature threshold interval is less than any value of the preset sixth temperature threshold interval; The adjusted target exhaust temperature is determined according to the operating frequency and the second temperature base value.

7. The method according to claim 6, characterized in that The determining of the second temperature base value according to the relationship between the outdoor ambient temperature and a preset first temperature threshold interval, a preset second temperature threshold interval, a preset third temperature threshold interval, a preset fourth temperature threshold interval, a preset fifth temperature threshold interval, and a preset sixth temperature threshold interval, as well as the outdoor ambient temperature and the operating frequency, includes: determining the temperature threshold interval to which the outdoor ambient temperature belongs among the preset first temperature threshold interval, the preset second temperature threshold interval, the preset third temperature threshold interval, the preset fourth temperature threshold interval, the preset fifth temperature threshold interval, and the preset sixth temperature threshold interval as the second target temperature threshold interval; Use the formula B=T2-k F2, the second temperature base value is calculated; wherein B represents the second temperature base value, T2 represents the target exhaust temperature before adjustment corresponding to the second target temperature threshold interval, F2 represents the preset operating frequency threshold corresponding to the second target temperature threshold interval, and k represents the preset weight base value.

8. The method according to claim 7, characterized in that The step of determining the adjusted target exhaust temperature according to the operating frequency and the second temperature base value includes: Using the formula T=k F+B, the adjusted target exhaust temperature is calculated; wherein T represents the adjusted target exhaust temperature, B represents the second temperature base value, and F represents the operating frequency.

9. An air conditioning control device, characterized in that: include: an acquisition module, configured to acquire the current outdoor ambient temperature and the current operating frequency of the single-rotor compressor when the operating mode of the air conditioner is a cooling mode; Processing module for: If the operating frequency is less than or equal to a preset low-frequency operating frequency threshold, adjusting the target exhaust temperature of the compressor according to the outdoor ambient temperature and the operating frequency to obtain an adjusted target exhaust temperature, wherein the adjusted target exhaust temperature is less than the target exhaust temperature before adjustment; The opening of the electronic expansion valve in the air conditioner is adjusted according to the adjusted target exhaust temperature.

10. An air conditioner, characterized in that: include: Processor, memory, communication interface, single-rotor compressor, electronic expansion valve; The memory is used to store executable instructions of the processor; The processor is configured to execute the air conditioning control method according to any one of claims 1 to 8 by executing the executable instructions.

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