Air conditioner temperature control method, air conditioner and storage medium

Abstract

The present invention belongs to the technical field of intelligent household appliances, and particularly relates to an air conditioner temperature control method, an air conditioner and a storage medium. The present invention aims to solve the problem of slow adjustment speed of room temperature in the prior art. The air conditioner temperature control method, air conditioner and storage medium provided by the present invention obtain the indoor temperature and the air conditioner set temperature. When the indoor temperature exceeds the set threshold range, the first temperature difference between the air conditioner set temperature and the indoor temperature is calculated. Then the real-time frequency of the compressor is obtained, the frequency difference between the real-time frequency and the minimum frequency is calculated, and then the target temperature control mode is determined according to the first temperature difference and the frequency difference, and temperature control is performed according to the target temperature control mode, so as to realize more targeted adjustment of the operating states of the compressor and the internal blower, enable the air conditioner to quickly and stably adjust the room temperature, and keep itself running smoothly, meeting the high-standard requirements of users for the comfort of room temperature.

Description

Technical Field

[0001] The embodiments of the present invention belong to the technical field of smart home appliances, and particularly relate to an air conditioner temperature control method, an air conditioner, and a storage medium. Background Art

[0002] As a necessary smart home appliance in daily life, with the improvement of living conditions, people have higher and higher requirements for the performance of air conditioners.

[0003] In the prior art, variable-frequency air conditioners usually start from adjusting the operating frequency of the compressor to solve the problem that the air conditioner frequently stops when the room temperature reaches a certain value. Specifically, the room temperature is detected by the ambient temperature sensor of the air conditioner itself. After the room temperature reaches the set temperature, the frequency of the compressor is reduced within a certain range. After running for a certain time, the room temperature is detected again to determine whether to reduce the frequency again.

[0004] However, the above air conditioner temperature control method makes the adjustment speed of the room temperature slower. Even in the case of a small room area and a strong air conditioner performance, it is difficult to quickly adjust the indoor temperature to the temperature set by the user. Summary of the Invention

[0005] To solve the above problems in the prior art, that is, to solve the problem that the adjustment speed of the room temperature in the prior art is slower, and even in the case of a small room area and a strong air conditioner performance, it is difficult to quickly adjust the indoor temperature to the temperature set by the user, the embodiments of the present invention provide an air conditioner temperature control method, an air conditioner, and a storage medium.

[0006] In a first aspect, the embodiments of the present invention provide an air conditioner temperature control method, including:

[0007] Obtain the indoor temperature and the air conditioner set temperature;

[0008] When the indoor temperature exceeds the set threshold range, calculate a first temperature difference between the air conditioner set temperature and the indoor temperature;

[0009] Obtain the real-time frequency of the compressor, and calculate a frequency difference between the real-time frequency and the minimum frequency;

[0010] Determine a target temperature control method according to the first temperature difference and the frequency difference, and perform temperature control according to the target temperature control method.

[0011] In a preferred technical solution of the above air conditioner temperature control method, the determining the target temperature control method according to the first temperature difference and the frequency difference includes:

[0012] Reduce the frequency of the compressor and / or reduce the rotation speed of the internal blower according to the first temperature difference and the frequency difference.

[0013] In the preferred technical solution of the above air conditioner temperature control method, according to the first temperature difference and the frequency difference, reducing the frequency of the compressor and / or reducing the rotational speed of the internal blower includes:

[0014] If the first temperature difference is greater than or equal to a preset temperature and the frequency difference is greater than or equal to a preset frequency, then reduce the frequency of the compressor to a target frequency, where the target frequency is greater than the minimum frequency, and / or reduce the rotational speed of the internal blower to a first target rotational speed;

[0015] Or,

[0016] If the first temperature difference is greater than or equal to a preset temperature and the frequency difference is less than the preset frequency, then reduce the frequency of the compressor to the minimum frequency, and / or reduce the rotational speed of the internal blower to a second target rotational speed, where the second target rotational speed is greater than the first target rotational speed.

[0017] In the preferred technical solution of the above air conditioner temperature control method, the method further includes:

[0018] When the compressor operates at the target frequency for a preset duration, obtain the indoor temperature at this time;

[0019] If the second temperature difference between the indoor temperature at this time and the air conditioner set temperature is greater than or equal to the preset temperature, then reduce the frequency of the compressor to the minimum frequency.

[0020] In the preferred technical solution of the above air conditioner temperature control method, the step of calculating the first temperature difference between the air conditioner set temperature and the indoor temperature when the indoor temperature exceeds the set threshold range includes:

[0021] Obtain the operating mode of the air conditioner, where the operating mode is cooling operation or heating operation;

[0022] When the operating mode of the air conditioner is cooling operation and the indoor temperature is less than the air conditioner set temperature, calculate the first temperature difference between the air conditioner set temperature and the indoor temperature;

[0023] Or,

[0024] When the operating mode of the air conditioner is heating operation and the indoor temperature is greater than the air conditioner set temperature, calculate the first temperature difference between the air conditioner set temperature and the indoor temperature.

[0025] In the preferred technical solution of the above air conditioner temperature control method, the preset temperature corresponding to the cooling operation mode of the air conditioner is different from the preset temperature corresponding to the heating operation mode of the air conditioner.

[0026] In a preferred technical solution of the above air conditioner temperature control method, the method further includes:

[0027] During the process of reducing the frequency of the compressor, obtain the real-time indoor temperature and the compressor frequency corresponding to the real-time indoor temperature at preset intervals;

[0028] When the operating mode of the air conditioner is cooling operation and the real-time indoor temperature is greater than or equal to the set temperature of the air conditioner, or when the operating mode of the air conditioner is heating operation and the real-time indoor temperature is less than or equal to the set temperature of the air conditioner, use the compressor frequency corresponding to the real-time indoor temperature as the initial frequency to control the frequency of the compressor to the steady-state frequency.

[0029] In a second aspect, an embodiment of the present invention provides an air conditioner, including:

[0030] An acquisition module, configured to acquire the indoor temperature and the set temperature of the air conditioner;

[0031] A calculation module, configured to calculate a first temperature difference between the set temperature of the air conditioner and the indoor temperature when the indoor temperature exceeds the set threshold range;

[0032] A processing module, configured to acquire the real-time frequency of the compressor and calculate a frequency difference between the real-time frequency and the minimum frequency;

[0033] A control module, configured to determine a target temperature control method according to the first temperature difference and the frequency difference, and perform temperature control according to the target temperature control method.

[0034] In a third aspect, an embodiment of the present invention provides an air conditioner, including: at least one processor and a memory;

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

[0036] Wherein, the at least one processor is configured to execute the air conditioner temperature control method described in the first aspect by executing the computer execution instructions.

[0037] In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, in which computer execution instructions are stored, and when the computer execution instructions are executed by a processor, they are used to implement the air conditioner temperature control method described in the first aspect.

[0038] In a fifth aspect, an embodiment of the present invention provides a computer program product, including a computer program, and when the computer program is executed by a processor, it is used to implement the air conditioner temperature control method described in the first aspect.

[0039] Those skilled in the art can understand that an air conditioner temperature control method, an air conditioner, and a storage medium provided by an embodiment of the present invention obtain the indoor temperature and the air conditioner set temperature. When the indoor temperature exceeds the set threshold range, the first temperature difference between the air conditioner set temperature and the indoor temperature is calculated. Then, the real-time frequency of the compressor is obtained, the frequency difference between the real-time frequency and the minimum frequency is calculated, and then the target temperature control method is determined according to the first temperature difference and the frequency difference, and the temperature is controlled according to the target temperature control method, so as to realize a more targeted adjustment of the operating states of the compressor and the internal blower, enable the air conditioner to quickly and stably adjust the room temperature, and keep itself running smoothly, meeting the high-standard requirements of users for the comfort of the room temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] The preferred embodiments of an air conditioner temperature control method of the present invention will be described below with reference to the accompanying drawings. The drawings are:

[0041] Figure 1 It is a flowchart of an air conditioner temperature control method provided in Embodiment 1 of the present invention;

[0042] Figure 2 It is a flowchart of another air conditioner temperature control method provided in Embodiment 2 of the present invention;

[0043] Figure 3 It is a flowchart of another air conditioner temperature control method provided in Embodiment 3 of the present invention;

[0044] Figure 4 It is a structural schematic diagram of an air conditioner provided in Embodiment 4 of the present application;

[0045] Figure 5 It is a structural schematic diagram of an air conditioner provided in Embodiment 5 of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0046] First of all, those skilled in the art should understand that these embodiments are only used to explain the technical principle of the present invention and are not intended to limit the protection scope of the present invention. Those skilled in the art can make adjustments according to needs to adapt to specific application scenarios.

[0047] Secondly, it should be noted that in the description of the embodiments of the present invention, terms such as "inside" and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings. This is only for 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, and therefore cannot be understood as a limitation of the present invention.

[0048] In addition, it should be noted that in the description of the embodiments of the present invention, unless otherwise clearly specified and defined, the terms "connected" and "coupled" 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those skilled in the art, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific situations.

[0049] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0050] A variable-frequency air conditioner can automatically adjust its operating state according to the ambient temperature so that the room temperature can reach the temperature set by the user. However, with the improvement of people's living conditions, the usage time of household air conditioners is getting longer and longer. When the room area is small, the small room area makes the air conditioner adjust the temperature faster. After the room temperature reaches the set temperature, it is easy to cause the temperature sensor to close, resulting in the shutdown of the air conditioner. After the air conditioner shuts down, the room temperature changes rapidly, and then the air conditioner starts up automatically again. The frequent start and stop of the air conditioner make it difficult to maintain the room temperature at the temperature set by the user and cause damage to the components of the air conditioner itself.

[0051] In the prior art, the room temperature is detected by the ambient temperature sensor of the air conditioner itself. After the room temperature reaches the set temperature of the air conditioner, the frequency of the compressor is reduced within a certain range and operated for a certain period of time. Then, the room temperature is detected again to determine whether to reduce the frequency again to solve the problem of the air conditioner shutting down when the temperature is reached.

[0052] However, the above air conditioner temperature control method can only reduce the frequency according to the set frequency, resulting in a slow adjustment speed of the room temperature. Even in the case of a small room area and a strong air conditioner performance, it is difficult to quickly adjust the indoor temperature to the temperature set by the user, and it is difficult to meet the user's demand for the comfort of the room temperature.

[0053] Therefore, this embodiment provides an air conditioner temperature control method, an air conditioner, and a storage medium. By obtaining the indoor temperature and the air conditioner set temperature, when the indoor temperature exceeds the set threshold range, the frequency of the compressor and / or the air speed of the internal blower are controlled according to the frequency difference between the real-time frequency of the compressor and the minimum frequency, and the temperature difference between the air conditioner set temperature and the indoor temperature. This realizes more targeted adjustment of the operating states of the compressor and the internal blower, enables the air conditioner to quickly adjust the room temperature, and can maintain its own stable operation, meeting the high-standard requirements of users for the comfort of the room temperature.

[0054] The principles and features of the embodiments of the present invention are described below with reference to the accompanying drawings. The examples given are only used to explain the embodiments of the present invention and are not intended to limit the scope of the embodiments of the present invention.

[0055] The air conditioner temperature control method of the present invention can be applied to various types of variable-frequency air conditioners. For example, it can be a wall-mounted variable-frequency air conditioner or a floor-standing variable-frequency air conditioner, etc. The embodiments of the present invention do not limit the actual form of the air conditioner equipment in the application scenario. Moreover, the above air conditioner can be a variable-frequency air conditioner of types such as AC variable frequency or DC variable frequency. It can be understood that the application scenario of the air conditioner temperature control method provided in this application includes but is not limited to the above, and the listed scenarios are not used as a limitation of this application.

[0056] Reference Figure 1 , Figure 1 is a schematic flowchart of an air conditioner temperature control method provided by Embodiment 1 of the present invention. This method can be executed by the air conditioner, and the method specifically includes the following steps.

[0057] S101. Obtain the indoor temperature and the air conditioner set temperature.

[0058] During the operation of the air conditioner, the indoor temperature and the air conditioner set temperature set by the user can be obtained every preset time to determine whether the indoor temperature exceeds the set range threshold, so as to further process to achieve the purpose of preventing the air conditioner from shutting down.

[0059] Specifically, the above indoor temperature can be obtained through a temperature sensor set inside the air conditioner. Or, the air conditioner can also communicate with the user terminal to obtain the indoor temperature measured by the user terminal through the temperature measurement APP. The embodiments of the present invention do not limit the acquisition method of the indoor temperature.

[0060] S102. When the indoor temperature exceeds the set threshold range, calculate the first temperature difference between the air conditioner set temperature and the indoor temperature.

[0061] Exemplarily, to determine whether the indoor temperature exceeds the set threshold range, the air conditioner can judge the magnitude relationship between the indoor temperature and the air conditioner set temperature according to the specific operation mode.

[0062] Specifically, when the operating mode of the air conditioner is cooling operation and the indoor temperature is lower than the set temperature of the air conditioner, or when the operating mode of the air conditioner is heating operation and the indoor temperature is higher than the set temperature of the air conditioner, the air conditioner calculates the first temperature difference between the set temperature of the air conditioner and the indoor temperature, so as to determine whether the temperature difference between the indoor temperature and the set temperature of the air conditioner is too large or too small, realizing a more delicate distinction of the room temperature, and thus providing a reference for determining the specific temperature control method subsequently.

[0063] S103. Obtain the real-time frequency of the compressor and calculate the frequency difference between the real-time frequency and the minimum frequency.

[0064] To avoid the situation that the air conditioner stops when directly reducing the frequency of the compressor to the minimum frequency when reducing the frequency of the compressor, the air conditioner can obtain the real-time frequency of the compressor and calculate the frequency difference between the real-time frequency and the minimum frequency to determine the magnitude of the real-time frequency of the compressor, and provide a reference for determining the specific temperature control method subsequently.

[0065] It should be noted that when the operating mode of the air conditioner is cooling operation, the above minimum frequency is the minimum frequency supported by the air conditioner for cooling operation, and when the operating mode of the air conditioner is heating operation, the above minimum frequency is the minimum frequency supported by the air conditioner for heating operation.

[0066] S104. Determine the target temperature control method according to the first temperature difference and the frequency difference, and perform temperature control according to the target temperature control method.

[0067] After the air conditioner calculates the frequency difference and the first temperature difference, it determines the target temperature control method according to the first temperature difference and the frequency difference, and then performs temperature control according to the target temperature control method.

[0068] The above determination of the target temperature control method can be, for example: reducing the frequency of the compressor, and / or reducing the rotational speed of the internal blower, so as to realize a more targeted adjustment of the operating states of the compressor and the internal blower, and thus realize the control of the indoor temperature.

[0069] The air conditioner temperature control method provided in this embodiment, by obtaining the indoor temperature and the set temperature of the air conditioner, when the indoor temperature exceeds the set threshold range, calculates the first temperature difference between the set temperature of the air conditioner and the indoor temperature. Then obtain the real-time frequency of the compressor, calculate the frequency difference between the real-time frequency and the minimum frequency, and then determine the target temperature control method according to the first temperature difference and the frequency difference, and perform temperature control according to the target temperature control method, realizing a more targeted adjustment of the operating states of the compressor and the internal blower, enabling the air conditioner to quickly and stably adjust the room temperature and maintain its own stable operation, meeting the high-standard requirements of users for the comfort of the room temperature.

[0070] Based on the first embodiment, hereinafter, the method for determining the target temperature control method according to the first temperature difference and the frequency difference in the above embodiments will be described in detail through the second embodiment.

[0071] Figure 2 FIG. 4 is a schematic flowchart of another air conditioner temperature control method provided by the second embodiment of the present invention. This method can be executed by an air conditioner, and the method specifically includes the following steps.

[0072] S201. Determine whether the first temperature difference is greater than or equal to a preset temperature.

[0073] If the first temperature difference is greater than or equal to the preset temperature, it means that the difference between the indoor temperature and the air conditioner set temperature is large. Then execute step S202 to determine the way to reduce the compressor frequency according to the magnitude of the compressor frequency, so as to make the indoor temperature reach the air conditioner set temperature.

[0074] It should be noted that when the operation mode of the air conditioner is cooling operation, the first temperature difference is the result of subtracting the indoor temperature from the preset temperature of the air conditioner. When the operation mode of the air conditioner is heating operation, the first temperature difference is the result of subtracting the preset temperature of the air conditioner from the indoor temperature.

[0075] Optionally, the preset temperature corresponding to the cooling operation mode of the air conditioner and the preset temperature corresponding to the heating operation mode of the air conditioner can be different, and can be set according to the specific conditions of cooling and heating to achieve temperature control in different modes.

[0076] S202. Determine whether the frequency difference is greater than or equal to a preset frequency.

[0077] If the frequency difference is greater than or equal to the preset frequency, then execute step S203. If the frequency difference is less than the preset frequency, then execute step S207.

[0078] S203. Reduce the frequency of the compressor to a target frequency, and / or reduce the rotational speed of the internal blower to a first target rotational speed.

[0079] When the frequency difference is greater than or equal to the preset frequency, it indicates that the frequency of the compressor is relatively high at this time. The frequency of the compressor can be adjusted to the target frequency first. Exemplarily, when the operation mode of the air conditioner is cooling operation, adjusting the compressor frequency to the target frequency can gradually relieve the cooling to increase the indoor temperature, and / or the air conditioner can reduce the rotational speed of the internal blower to the first target rotational speed to further relieve the cooling of the air conditioner.

[0080] When the operation mode of the air conditioner is heating operation, reducing the compressor frequency to the target frequency can gradually relieve the heating to reduce the indoor temperature, and / or the air conditioner can reduce the rotational speed of the internal blower to the first target rotational speed to relieve the heating of the air conditioner.

[0081] When the compressor operates at the target frequency for a preset duration, obtain the indoor temperature at this time.

[0082] After the air conditioner reduces the frequency of the compressor to the target frequency and operates at this target frequency for a preset duration, the air conditioner can obtain the indoor temperature at this time through the temperature sensor it sets, so as to judge the temperature difference between the indoor temperature at this time and the set temperature of the air conditioner after the compressor frequency is reduced, and thus determine whether to adjust the frequency of the compressor.

[0083] S205. Judge whether the second temperature difference between the indoor temperature at this time and the set temperature of the air conditioner is greater than or equal to the preset temperature.

[0084] If the second temperature difference between the indoor temperature at this time and the set temperature of the air conditioner is greater than or equal to the preset temperature, execute step S206. If the second temperature difference is less than the preset temperature, do not perform any operation, that is, control the compressor to maintain the target frequency and the internal fan to maintain the first target speed and continue to operate.

[0085] S206. Reduce the compressor to the minimum frequency.

[0086] Exemplarily, when the operating mode of the air conditioner is cooling operation, if the second temperature difference between the set temperature of the air conditioner and the indoor temperature at this time is greater than or equal to the preset temperature, it means that the temperature difference between the set temperature of the air conditioner and the indoor temperature at this time is still large. In order to quickly reach the set temperature of the air conditioner for the indoor temperature, continue to reduce the frequency of the compressor to the minimum frequency to relieve the cooling and increase the indoor temperature. However, to prevent the temperature from rising too fast and exceeding the set temperature of the air conditioner, it is necessary to keep the first target speed of the internal fan running.

[0087] In another example, when the operating mode of the air conditioner is heating operation, if the second temperature difference between the indoor temperature at this time and the set temperature of the air conditioner is greater than or equal to the preset temperature, it means that the temperature difference between the indoor temperature at this time and the set temperature of the air conditioner is still large. In order to quickly reach the set temperature of the air conditioner for the indoor temperature, continue to reduce the frequency of the compressor to the minimum frequency to relieve the heating and reduce the indoor temperature. However, to prevent the temperature from dropping too fast and being lower than the set temperature of the air conditioner, it is necessary to keep the first target speed of the internal fan running.

[0088] S207. Reduce the frequency of the compressor to the minimum frequency, and / or reduce the speed of the internal fan to the second target speed, where the second target speed is greater than the first target speed.

[0089] When the frequency difference is less than the preset frequency, it indicates that the frequency of the compressor is relatively low at this time. Then, the frequency of the compressor can be directly reduced to the minimum frequency. Exemplarily, when the operating mode of the air conditioner is cooling operation, directly reducing the frequency of the compressor to the minimum frequency can quickly relieve the cooling effect, so that the indoor temperature can rise rapidly, and / or the air conditioner can reduce the rotational speed of the indoor fan to the second target rotational speed, further relieving the cooling effect of the air conditioner, making the indoor temperature rise rapidly, so as to quickly reach the set temperature of the air conditioner.

[0090] When the operating mode of the air conditioner is heating operation, directly reducing the frequency of the compressor to the minimum frequency can quickly relieve the heating effect, so that the indoor temperature can drop rapidly, and / or the air conditioner can reduce the rotational speed of the indoor fan to the second target rotational speed, further relieving the heating effect of the air conditioner, making the indoor temperature drop rapidly, so as to quickly reach the set temperature of the air conditioner.

[0091] Among them, since the frequency of the compressor is reduced to the minimum frequency, it means that the cooling effect or heating effect of the air conditioner can be quickly controlled, and the reduction range of the rotational speed of the indoor fan can be relatively low. Therefore, the second target rotational speed can be set to be greater than the first target rotational speed, so that the reduction range of the rotational speed of the indoor fan is relatively low in the above situation, and more precise control of the temperature in the room can be achieved.

[0092] Of course, the first target rotational speed and the second target rotational speed can also be the same, and this application does not limit this.

[0093] Optionally, during the process of reducing the frequency of the compressor according to the above operations, the air conditioner can obtain the real-time indoor temperature and the compressor frequency corresponding to the real-time indoor temperature every second preset time. When the operating mode of the air conditioner is cooling operation and the real-time indoor temperature is greater than or equal to the set temperature of the air conditioner, or when the operating mode of the air conditioner is heating operation and the real-time indoor temperature is less than or equal to the set temperature of the air conditioner, the air conditioner uses the compressor frequency corresponding to the real-time indoor temperature as the initial frequency to control the frequency of the compressor to the steady-state frequency, which can improve the problems of shortened life of the compressor and relatively large noise during the frequency increase and decrease process caused by using traditional frequency increase and decrease methods.

[0094] Among them, the method of controlling the frequency of the compressor to the steady-state frequency can be the proportional-integral-derivative (PID) method.

[0095] In this embodiment, the air conditioner determines whether the first temperature difference is greater than a preset temperature. If so, it determines whether the frequency difference is greater than a preset frequency. If so, it reduces the frequency of the compressor to a target frequency and / or reduces the rotational speed of the indoor fan to a first target rotational speed. Then, when the compressor operates at the target frequency for a preset duration, it obtains the indoor temperature at this time and determines whether the second temperature difference between the indoor temperature at this time and the set temperature of the air conditioner is greater than or equal to the preset temperature. If so, it reduces the compressor to the minimum frequency. If the frequency difference is less than the preset frequency, it directly reduces the frequency of the compressor to the minimum frequency and / or reduces the rotational speed of the indoor fan to a second target rotational speed, where the second target rotational speed is greater than the first target rotational speed, achieving more targeted adjustment of the operating states of the compressor and the indoor fan, enabling the air conditioner to quickly and stably adjust the room temperature and maintain its own stable operation, meeting the high-standard requirements of users for the comfort of the room temperature.

[0096] Further, in order to improve the accuracy of judging the first temperature difference and the frequency difference and make the temperature control of the air conditioner more precise, based on Embodiment 2, below, through Embodiment 3, an exemplary description is given of achieving temperature control by more precisely judging the first temperature difference and the frequency difference.

[0097] Figure 3 FIG. 7 is a schematic flowchart of another air conditioner temperature control method provided by Embodiment 3 of the present invention. This method can be executed by the air conditioner, and the method specifically includes the following steps.

[0098] S301. Determine whether the first temperature difference meets the set conditions.

[0099] Specifically, the set conditions are: being within a preset temperature range or being greater than the upper limit value of the preset temperature range.

[0100] When the first temperature difference meets the set conditions, step S302 is executed. When the first temperature difference does not meet the set conditions, no operation is performed.

[0101] S301. Determine whether the frequency difference is greater than or equal to the preset frequency.

[0102] Specifically, when the first temperature difference is within the preset temperature range, it is determined whether the frequency difference is greater than or equal to a first preset frequency.

[0103] Or, when the first temperature difference is greater than the upper limit value of the preset temperature range, it is determined whether the frequency difference is greater than or equal to a second preset frequency. Among them, the second preset frequency is less than the first preset frequency.

[0104] When the frequency difference is greater than or equal to the preset frequency, step S303 is executed. When the frequency difference is less than the preset frequency, step S304 is executed.

[0105] It can be understood that when the above conditions are met, it is possible to implement the judgment condition of determining the corresponding frequency difference according to the temperature difference when the temperature difference is large, thereby achieving fine control.

[0106] Optionally, the preset temperature range corresponding to the cooling operation mode of the air conditioner and the preset temperature range corresponding to the heating operation mode of the air conditioner can be different, and can be set according to the specific conditions of cooling and heating to achieve temperature control in different modes.

[0107] Alternatively, the preset temperature range corresponding to the cooling operation mode of the air conditioner and the preset temperature range corresponding to the heating operation mode of the air conditioner can be the same, and this application does not limit this.

[0108] S303. Reduce the frequency of the compressor to the target frequency, and / or reduce the rotational speed of the indoor fan to the first target rotational speed. When the compressor operates at the target frequency for a preset duration, obtain the indoor temperature at this time. When the second temperature difference between the indoor temperature at this time and the set temperature of the air conditioner is greater than or equal to the lower limit value of the preset temperature range, reduce the compressor to the minimum frequency.

[0109] The temperature control method of this step will be described in detail below through examples.

[0110] Exemplarily, when the operation mode of the air conditioner is cooling operation, the preset temperature range is [1, 3), the preset temperature of the air conditioner is 25, the first preset frequency is 40, the second preset frequency is 20, and the minimum frequency is f min , assuming the indoor temperature is 23, then the first temperature difference between the preset temperature of the air conditioner and the indoor temperature is within the preset temperature range, and the frequency difference is greater than or equal to 40, indicating that the temperature difference between the preset temperature of the air conditioner and the indoor temperature at this time is large and the frequency of the compressor is high. Then, the frequency of the compressor can be adjusted to the target frequency first, that is, it can be f min +40, gradually increase the indoor temperature, and / or the air conditioner can reduce the rotational speed of the indoor fan to the first target rotational speed, so that the cooling of the air conditioner is further alleviated.

[0111] Then when the compressor operates at the frequency of f min +40 for a preset duration, the air conditioner obtains the indoor temperature at this time, calculates the second temperature difference between the set temperature of the air conditioner and the indoor temperature at this time. Assuming the indoor temperature at this time is 24, then the second temperature difference is greater than or equal to the lower limit value of the preset temperature range, indicating that the temperature difference between the set temperature of the air conditioner and the indoor temperature at this time is still large. In order to make the indoor temperature reach the set temperature of the air conditioner, continue to reduce the frequency of the compressor to f min, to continue to relieve the cooling to increase the indoor temperature, but to prevent the temperature from rising too fast and exceeding the air conditioner set temperature, the first target speed of the internal fan can be maintained and continue to operate, that is, the speed of the internal fan is not adjusted.

[0112] Assume that the indoor temperature at this time is 25. If the second temperature difference is less than the lower limit value of the preset temperature range, it means that the indoor temperature at this time is greater than or equal to the air conditioner set temperature. Then the air conditioner maintains the frequency of the compressor at the target frequency, that is, f min +40, and the speed of the internal fan maintains the first target speed to operate, so that the indoor temperature continues to drop to the air conditioner set temperature, or maintains the current temperature, so that the room temperature remains within the comfortable temperature set by the user.

[0113] In another example, when the operating mode of the air conditioner is heating operation, the preset temperature range is [1, 3), the air conditioner preset temperature is 28, the first preset frequency is 40, the second preset frequency is 20, and the minimum frequency is f min , assume that the indoor temperature is 30. When the first temperature difference between the indoor temperature and the air conditioner preset temperature is within the preset temperature range and the frequency difference is greater than or equal to 40, it means that the difference between the indoor temperature and the air conditioner preset temperature is relatively large and the frequency of the compressor is relatively high. Then at this time, the frequency of the compressor can be adjusted to the target frequency first, that is, it can be f min +40, gradually relieve the heating to reduce the indoor temperature, and / or the air conditioner can reduce the speed of the internal fan to the first target speed to relieve the heating of the air conditioner.

[0114] Then when the compressor runs at the frequency of f min +40 for a preset duration, the air conditioner obtains the indoor temperature at this time. Assume that the indoor temperature at this time is 29. If the second temperature difference is greater than or equal to the lower limit value of the preset temperature range, it means that the temperature difference between the indoor temperature and the air conditioner set temperature is still relatively large. In order to make the indoor temperature reach the air conditioner set temperature, continue to reduce the frequency of the compressor to f min , to relieve the temperature rise to reduce the indoor temperature, but to prevent the temperature from dropping too fast and being lower than the air conditioner set temperature, the first target speed of the internal fan can be maintained and continue to operate, that is, the speed of the internal fan is not adjusted.

[0115] Assume that the indoor temperature at this time is 28 or less. When the second temperature difference is less than the lower limit value of the preset temperature range, it means that the indoor temperature at this time is less than or equal to the air conditioner set temperature. Then the air conditioner maintains the frequency of the compressor at f min +40, and the speed of the internal fan maintains the first target speed to operate, so that the indoor temperature continues to rise to the air conditioner set temperature, or maintains the current temperature, so as to remain within the comfortable temperature set by the user.

[0116] S304. Reduce the frequency of the compressor to the minimum frequency, and / or reduce the rotational speed of the internal blower to a second target speed, where the second target speed is greater than the first target speed.

[0117] The temperature control method of this step will be described in detail through examples below.

[0118] Exemplarily, when the operating mode of the air conditioner is cooling operation, the preset temperature range is [1, 3), the preset temperature of the air conditioner is 25, the first preset frequency is 40, the second preset frequency is 20, and the minimum frequency is f min . Suppose the indoor temperature is 23. Then the first temperature difference between the preset temperature of the air conditioner and the indoor temperature is within the preset temperature range, but the frequency difference is less than 40, indicating that the indoor temperature is lower than the preset temperature of the air conditioner at this time, but the frequency of the compressor is relatively low. Then the frequency of the compressor can be directly adjusted to f min , and / or the air conditioner can reduce the rotational speed of the internal blower to the second target speed to relieve the cooling effect of the air conditioner, so that the indoor temperature rises rapidly to quickly reach the set temperature of the air conditioner.

[0119] In another example, when the operating mode of the air conditioner is heating operation, the preset temperature range is [1, 3), the preset temperature of the air conditioner is 28, the first preset frequency is 40, the second preset frequency is 20, and the minimum frequency is f min , suppose the indoor temperature is 30. Then the first temperature difference between the indoor temperature and the preset temperature of the air conditioner is within the preset temperature range, but the frequency difference is less than 40, indicating that the indoor temperature is higher than the preset temperature of the air conditioner at this time, but the frequency of the compressor is relatively low. Then the frequency of the compressor can be directly adjusted to f min , and / or the air conditioner can reduce the rotational speed of the internal blower to the second target speed to relieve the heating effect of the air conditioner, so that the indoor temperature drops rapidly to quickly reach the set temperature of the air conditioner.

[0120] It can be understood that the second target speed is less than the first target speed, indicating that the reduction amplitude of the rotational speed of the internal blower in this step is lower than that in step S302. Since the frequency of the compressor has been reduced to the lowest, the heating or cooling effect can be effectively controlled, and the reduction amplitude of the rotational speed of the internal blower can be relatively smaller than that in step S302 to achieve more precise control.

[0121] In this embodiment, after the air conditioner calculates the frequency difference and the first temperature difference, it judges the frequency difference and the first temperature difference. When the frequency difference meets the set condition and the frequency difference is greater than or equal to the preset frequency, the frequency of the compressor is reduced to the target frequency, and / or the rotational speed of the internal blower is reduced to the first target rotational speed. When the compressor runs at the target frequency for a preset duration, the indoor temperature at this time is obtained. When the second temperature difference between the indoor temperature at this time and the air conditioner set temperature is greater than or equal to the lower limit value of the preset temperature range, the compressor is reduced to the minimum frequency. When the frequency difference meets the set condition and the frequency difference is less than the preset frequency, the frequency of the compressor is reduced to the minimum frequency, and / or the rotational speed of the internal blower is reduced to the second target rotational speed, and the second target rotational speed is greater than the first target rotational speed. This realizes more refined adjustment of the operating states of the compressor and / or the internal blower in different situations, enables the air conditioner to quickly and accurately adjust the room temperature, and can maintain its own stable operation, meeting the high-standard requirements of users for the comfort of the room temperature.

[0122] Figure 4 FIG. 4 is a schematic structural diagram of an air conditioner provided in Embodiment 4 of the present application, as Figure 4 shown. The air conditioner 40 includes: an acquisition module 401, a calculation module 402, a processing module 403, and a control module 404.

[0123] The acquisition module 401 is configured to acquire the indoor temperature and the air conditioner set temperature.

[0124] The calculation module 402 is configured to calculate the first temperature difference between the air conditioner set temperature and the indoor temperature when the indoor temperature exceeds the set threshold range.

[0125] The processing module 403 is configured to acquire the real-time frequency of the compressor and calculate the frequency difference between the real-time frequency and the minimum frequency.

[0126] The control module 404 is configured to determine the target temperature control mode according to the first temperature difference and the frequency difference, and perform temperature control according to the target temperature control mode.

[0127] Optionally, the control module 404 is specifically configured to:

[0128] Reduce the frequency of the compressor and / or reduce the rotational speed of the internal blower according to the first temperature difference and the frequency difference.

[0129] Optionally, the control module 404 is further configured to:

[0130] If the first temperature difference is greater than or equal to the preset temperature and the frequency difference is greater than or equal to the preset frequency, the frequency of the compressor is reduced to the target frequency, the target frequency is greater than the minimum frequency, and / or the rotational speed of the internal blower is reduced to the first target rotational speed.

[0131] Alternatively,

[0132] If the first temperature difference is greater than or equal to a preset temperature and the frequency difference is less than a preset frequency, then reduce the frequency of the compressor to the minimum frequency, and / or reduce the rotational speed of the indoor fan to a second target rotational speed, where the second target rotational speed is greater than the first target rotational speed.

[0133] Optionally, the air conditioner 40 further includes: a first frequency control module.

[0134] The first frequency control module is specifically configured to:

[0135] When the compressor operates at a target frequency for a preset duration, obtain the indoor temperature at this time.

[0136] If the second temperature difference between the indoor temperature at this time and the set temperature of the air conditioner is greater than or equal to the preset temperature, then reduce the frequency of the compressor to the minimum frequency.

[0137] Optionally, the calculation module 402 is specifically configured to:

[0138] Obtain the operating mode of the air conditioner, where the operating mode is cooling operation or heating operation.

[0139] When the operating mode of the air conditioner is cooling operation and the indoor temperature is less than the set temperature of the air conditioner, calculate the first temperature difference between the set temperature of the air conditioner and the indoor temperature.

[0140] Or,

[0141] When the operating mode of the air conditioner is heating operation and the indoor temperature is greater than the set temperature of the air conditioner, calculate the first temperature difference between the set temperature of the air conditioner and the indoor temperature.

[0142] Optionally, the preset temperature corresponding to the cooling operation mode of the air conditioner is different from the preset temperature range corresponding to the heating operation mode of the air conditioner.

[0143] Optionally, the air conditioner 40 further includes: a second frequency control module.

[0144] The second frequency control module is specifically configured to:

[0145] During the process of reducing the frequency of the compressor, obtain the real-time indoor temperature and the compressor frequency corresponding to the real-time indoor temperature at every preset time.

[0146] When the operating mode of the air conditioner is cooling operation and the real-time indoor temperature is greater than or equal to the set temperature of the air conditioner, or when the operating mode of the air conditioner is heating operation and the real-time indoor temperature is less than or equal to the set temperature of the air conditioner, control the frequency of the compressor to the steady-state frequency with the compressor frequency corresponding to the real-time indoor temperature as the initial frequency.

[0147] The air conditioner of this embodiment can be used to execute the steps of an air conditioner temperature control method in Embodiment 1 to Embodiment 3. The specific implementation manners and technical effects are similar and will not be elaborated here.

[0148] Figure 5 FIG. 4 is a schematic structural diagram of an air conditioner provided in Embodiment 5 of the present invention. As Figure 5 shown, the air conditioner may include: at least one processor 501 and a memory 502.

[0149] The memory 502 is used to store a program. Specifically, the program may include program code, and the program code includes computer operation instructions.

[0150] The memory 502 may include a high-speed RAM memory, and may also include a non-volatile memory, such as at least one disk memory.

[0151] The processor 501 is configured to execute the computer execution instructions stored in the memory 502 to implement the method described in the foregoing method embodiments. Among them, the processor 501 may be a central processing unit (CPU for short), or an application specific integrated circuit (ASIC for short), or one or more integrated circuits configured to implement the embodiments of the present application.

[0152] Optionally, the device may further include a communication interface 503. In a specific implementation, if the communication interface 503, the memory 502, and the processor 501 are implemented independently, the communication interface 503, the memory 502, and the processor 501 may be connected to each other through a bus and communicate with each other. The bus may be an Industry Standard Architecture (ISA for short) bus, a Peripheral Component Interconnect (PCI for short) bus, or an Extended Industry Standard Architecture (EISA for short) bus, etc. The bus may be divided into an address bus, a data bus, a control bus, etc., but it does not mean that there is only one bus or one type of bus.

[0153] Optionally, in a specific implementation, if the communication interface 503, the memory 502, and the processor 501 are integrated on a chip, the communication interface 503, the memory 502, and the processor 501 may communicate through an internal interface.

[0154] The air conditioner of this embodiment can be used to execute the steps of an air conditioner temperature control method in Embodiment 1 to Embodiment 3. The specific implementation manners and technical effects are similar, and will not be elaborated here.

[0155] Embodiment 6 of the present application provides a computer-readable storage medium. The computer-readable storage medium may include: various media that can store computer programs such as USB flash drives, mobile hard disks, read-only memories (ROM, Read-Only Memory), random access memories (RAM, Random Access Memory), magnetic disks, or optical discs. Specifically, a computer program is stored in the computer-readable storage medium. When the computer program is executed by a processor, it is used to implement the steps of an air conditioner temperature control method in Embodiment 1 to Embodiment 3. The specific implementation manners and technical effects are similar, and will not be elaborated here.

[0156] Embodiment 7 of the present invention provides a computer program product, including a computer program. When the computer program is executed by a processor, it implements the steps of an air conditioner temperature control method in Embodiment 1 to Embodiment 3 as described above. The specific implementation manners and technical effects are similar, and will not be elaborated here.

[0157] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An air conditioner temperature control method, characterized in that, The method includes: Obtaining the indoor temperature and the air conditioner set temperature; Obtaining the operating mode of the air conditioner, where the operating mode is cooling operation or heating operation; When the operating mode of the air conditioner is cooling operation and the indoor temperature is less than the air conditioner set temperature, calculating a first temperature difference between the air conditioner set temperature and the indoor temperature; When the operating mode of the air conditioner is heating operation and the indoor temperature is greater than the air conditioner set temperature, calculating a first temperature difference between the air conditioner set temperature and the indoor temperature; Obtaining the real-time frequency of the compressor and calculating a frequency difference between the real-time frequency and the minimum frequency; Determining a target temperature control method according to the first temperature difference and the frequency difference, and performing temperature control according to the target temperature control method; The determining the target temperature control method according to the first temperature difference and the frequency difference includes: If the first temperature difference is greater than or equal to a preset temperature and the frequency difference is greater than or equal to a preset frequency, reducing the frequency of the compressor to a target frequency, where the target frequency is greater than the minimum frequency, and reducing the rotation speed of the internal fan to a first target rotation speed; If the first temperature difference is greater than or equal to a preset temperature and the frequency difference is less than the preset frequency, reducing the frequency of the compressor to the minimum frequency, and reducing the rotation speed of the internal fan to a second target rotation speed, where the second target rotation speed is greater than the first target rotation speed.

2. The method according to claim 1, characterized in that, The method further includes: When the compressor operates at the target frequency for a preset duration, obtaining the indoor temperature at this time; If the second temperature difference between the indoor temperature at this time and the air conditioner set temperature is greater than or equal to the preset temperature, reducing the frequency of the compressor to the minimum frequency.

3. The method according to claim 2, characterized in that, The preset temperature corresponding to the cooling operation mode of the air conditioner is different from the preset temperature corresponding to the heating operation mode of the air conditioner.

4. The method according to claim 3, characterized in that, The method further includes: During the frequency reduction process of the compressor, obtaining the real-time indoor temperature and the compressor frequency corresponding to the real-time indoor temperature at every preset time; When the operating mode of the air conditioner is cooling operation and the real-time indoor temperature is greater than or equal to the air conditioner set temperature, or when the operating mode of the air conditioner is heating operation and the real-time indoor temperature is less than or equal to the air conditioner set temperature, using the compressor frequency corresponding to the real-time indoor temperature as the initial frequency to control the frequency of the compressor to a steady-state frequency.

5. An air conditioner, characterized in that, It includes: An obtaining module, configured to obtain the indoor temperature, the air conditioner set temperature, and the operating mode of the air conditioner, where the operating mode is cooling operation or heating operation; A calculating module, configured to calculate a first temperature difference between the air conditioner set temperature and the indoor temperature when the operating mode of the air conditioner is cooling operation and the indoor temperature is less than the air conditioner set temperature; and calculate a first temperature difference between the air conditioner set temperature and the indoor temperature when the operating mode of the air conditioner is heating operation and the indoor temperature is greater than the air conditioner set temperature; A processing module, configured to obtain the real-time frequency of the compressor and calculate a frequency difference between the real-time frequency and the minimum frequency; A control module, configured to determine a target temperature control mode according to the first temperature difference and the frequency difference, and perform temperature control according to the target temperature control mode; Specifically, if the first temperature difference is greater than or equal to a preset temperature, and the frequency difference is greater than or equal to a preset frequency, the control module is configured to reduce the frequency of the compressor to a target frequency, where the target frequency is greater than the minimum frequency, and reduce the rotational speed of the internal blower to a first target rotational speed; If the first temperature difference is greater than or equal to the preset temperature, and the frequency difference is less than the preset frequency, the control module is configured to reduce the frequency of the compressor to the minimum frequency, and reduce the rotational speed of the internal blower to a second target rotational speed, where the second target rotational speed is greater than the first target rotational speed.

6. An air conditioner, characterized in that, Comprising: At least one processor and a memory; The memory is configured to store computer-executable instructions of the processor; Wherein, the at least one processor is configured to execute the air conditioner temperature control method according to any one of claims 1 to 4 by executing the computer-executable instructions.

7. A computer-readable storage medium, characterized in that, Computer-executable instructions are stored in the computer-readable storage medium, and when the computer-executable instructions are executed by a processor, they are used to implement the air conditioner temperature control method according to any one of claims 1 to 4.

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