Refrigeration control method and device of air conditioner and air conditioner

Abstract

The application provides a refrigeration control method and device of an air conditioner and the air conditioner. The method comprises the following steps: obtaining a difference between an indoor environment temperature and a set temperature; if the difference is less than or equal to a first temperature difference threshold and greater than a second temperature difference threshold, determining whether an inner disc temperature is greater than or equal to an inner disc temperature threshold; if the inner disc temperature is less than the inner disc temperature threshold, keeping an inner unit air guide door at a current angle; if the inner disc temperature is greater than or equal to the inner disc temperature threshold, adjusting the inner unit air guide door to a first angle; and the air volume corresponding to the first angle of the inner unit air guide door is less than the air volume corresponding to the current angle. In the refrigeration operation process, the air volume of the inner unit air guide door can be controlled to adjust the air volume of the air conditioner, so that the air conditioner reaches the temperature stop machine, avoids the frequent start and stop of the air conditioner, prolongs the service life of the air conditioner, maintains the indoor environment temperature stable, and improves the comfort.

Description

Technical Field

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

[0002] Most fixed-frequency air conditioners currently operate by rapidly lowering the indoor temperature to the user's set temperature during cooling, and then shutting off once the set temperature is reached. After the unit shuts off, the indoor temperature gradually rises, and the air conditioner restarts. This control method causes frequent start-stop cycles, reducing the unit's lifespan and failing to maintain a constant indoor temperature, resulting in poor comfort. Summary of the Invention

[0003] This invention addresses the problem of frequent start-stop cycles after reaching the set temperature in existing air conditioning systems.

[0004] To address the aforementioned problems, this invention provides a cooling control method for an air conditioner. The method includes: acquiring the difference between the indoor ambient temperature and a set temperature; if the difference is less than or equal to a first temperature difference threshold and greater than a second temperature difference threshold, determining whether the inner panel temperature is greater than or equal to an inner panel temperature threshold; if the inner panel temperature is less than the inner panel temperature threshold, maintaining the indoor unit air guide damper at the current angle; if the inner panel temperature is greater than or equal to the inner panel temperature threshold, adjusting the indoor unit air guide damper to a first angle; the airflow volume corresponding to the indoor unit air guide damper at the first angle is less than the airflow volume corresponding to the current angle.

[0005] In this embodiment of the invention, the air outlet angle of the indoor unit's air guide damper is determined by comprehensively considering the indoor ambient temperature and the inner panel temperature during the cooling operation, thereby adjusting the air volume of the air conditioner, adjusting the heat exchange, delaying the air conditioner from reaching the set temperature and shutting down, avoiding frequent start-stop of the air conditioner, extending the life of the air conditioner, maintaining a stable indoor ambient temperature, and improving comfort.

[0006] Optionally, the method further includes: if the difference is greater than a first temperature difference threshold, determining whether the outer disk temperature is greater than an outer disk temperature threshold; if the outer disk temperature is greater than the outer disk temperature threshold, keeping the indoor unit air guide damper unchanged at the current angle; if the outer disk temperature is less than or equal to the outer disk temperature threshold, controlling the indoor unit air guide damper to rotate to a second angle; the air volume corresponding to the indoor unit air guide damper at the second angle is greater than the air volume corresponding to the current angle.

[0007] In embodiments of the present invention, when the current indoor ambient temperature is far from meeting the user's desired temperature, the load of the air conditioner can be further determined by the outdoor temperature. When the load is large, the air volume cannot be increased, while when the load is small, the air volume is increased to improve the cooling efficiency.

[0008] Optionally, the method further includes: if the difference is less than or equal to the second temperature difference threshold, then controlling the air conditioner to stop.

[0009] In this embodiment of the invention, when the indoor ambient temperature is close to the user-set temperature, the system can control the machine to stop when the temperature is reached, thus maintaining a stable indoor ambient temperature.

[0010] Optionally, before determining whether the inner panel temperature is greater than or equal to the inner panel temperature threshold, the method further includes: if the difference is less than or equal to the first temperature difference threshold and greater than the second temperature difference threshold, then determining whether the current angle of the indoor unit air guide damper is the minimum air guide angle; the indoor unit air guide damper corresponds to the minimum air volume at the minimum air guide angle; if it is the minimum air guide angle, then keeping the indoor unit air guide damper unchanged at the current angle; if it is not the minimum air guide angle, then continuing to execute the step of determining whether the inner panel temperature is greater than or equal to the inner panel temperature threshold.

[0011] Given the current angle, it can be determined whether there is an adjustment margin. If the current angle of the indoor unit's air deflector corresponds to the maximum air volume, it is impossible to further control the increase of the air volume. If it corresponds to the minimum air volume, it is impossible to further control the decrease of the air volume.

[0012] Optionally, before determining whether the outer disk temperature is greater than the outer disk temperature threshold, the method further includes: if the difference is greater than the first temperature difference threshold, determining whether the current angle of the indoor unit air guide damper is the maximum air guide angle; the indoor unit air guide damper corresponds to the maximum air volume at the maximum air guide angle; if it is the maximum air guide angle, keeping the indoor unit air guide damper unchanged at the current angle; if it is not the maximum air guide angle, continuing to execute the step of determining whether the outer disk temperature is greater than the outer disk temperature threshold.

[0013] Given the current angle, it can be determined whether there is an adjustment margin. If the current angle of the indoor unit's air deflector corresponds to the maximum air volume, it is impossible to further control the increase of the air volume. If it corresponds to the minimum air volume, it is impossible to further control the decrease of the air volume.

[0014] Optionally, the method further includes: controlling the air conditioner to perform a simulation test to determine the maximum air guide angle, the intermediate air guide angle, and the minimum air guide angle; the indoor unit air guide damper corresponds to the maximum air volume at the maximum air guide angle, the minimum air volume at the minimum air guide angle, and the air volume corresponding to the intermediate air guide angle is less than the maximum air volume but greater than the minimum air volume.

[0015] In this embodiment of the invention, the air conditioner can be pre-adjusted before executing the above-mentioned cooling control method to find the air guide angle corresponding to the maximum air volume.

[0016] Optionally, the method further includes: when the indoor unit air guide door is at the current angle, the first angle, or the second angle, after the air conditioner has been running for a preset time, recording the current angle of the indoor unit air guide door.

[0017] In this embodiment of the invention, during the operation of the air conditioner, the current angle can be recorded periodically and after the air outlet angle is adjusted, thereby updating the current angle parameter in real time.

[0018] This invention provides a refrigeration control device for an air conditioner, comprising: an acquisition module for acquiring the difference between the indoor ambient temperature and a set temperature; a judgment module for determining whether the inner panel temperature is greater than or equal to an inner panel temperature threshold if the difference is less than or equal to a first temperature difference threshold and greater than a second temperature difference threshold; a holding module for maintaining the indoor unit air guide damper at a current angle if the inner panel temperature is less than the inner panel temperature threshold; and an adjustment module for adjusting the indoor unit air guide damper to a first angle if the inner panel temperature is greater than or equal to the inner panel temperature threshold, wherein the airflow volume corresponding to the first angle is less than the airflow volume corresponding to the current angle.

[0019] This invention provides an air conditioner, including a computer-readable storage medium storing a computer program and a processor, wherein the computer program is read and executed by the processor to implement the above-described method.

[0020] This invention provides a computer-readable storage medium storing a computer program, which is read and executed by a processor to implement the above-described method.

[0021] The air conditioner control device, air conditioner, and computer-readable storage medium of the present invention can achieve the same technical effect as the above-described air conditioner refrigeration control method. Attached Figure Description

[0022] Figure 1 A schematic flowchart of a refrigeration control method for an air conditioner provided by an embodiment of the present invention is shown;

[0023] Figure 2 A schematic flowchart of a control method for avoiding frequent start-stop of an air conditioner provided by an embodiment of the present invention is shown;

[0024] Figure 3 A schematic diagram of the structure of a refrigeration control device for an air conditioner according to an embodiment of the present invention is shown. Detailed Implementation

[0025] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0026] This invention provides a control method for an air conditioner. When the air conditioner is in cooling mode, it can control the airflow angle of the indoor air deflector by combining changes in parameters such as indoor ambient temperature, inner panel temperature, and outer panel temperature, thereby adjusting the air volume and adjusting the heat exchange of the unit. This avoids frequent start-stop situations caused by the unit quickly reaching the desired temperature and then restarting, maintaining a stable indoor temperature and improving comfort. For example, the above method can be applied to fixed-frequency air conditioners.

[0027] Figure 1 A schematic flowchart of a refrigeration control method for an air conditioner according to an embodiment of the present invention is shown. The method includes the following steps:

[0028] S102, obtain the difference between the indoor ambient temperature and the set temperature.

[0029] This difference reflects the gap between the current indoor temperature and the user's desired temperature. A small difference indicates that the current indoor temperature is close to meeting the user's desired temperature, while a large difference indicates that the current indoor temperature is far from meeting the user's desired temperature. By comparing this difference with a temperature difference threshold, the gap between the current indoor temperature and the user's desired temperature can be determined, thereby further adjusting the air conditioner's airflow. A larger gap tends to increase the airflow, while a smaller gap tends to decrease the airflow.

[0030] S104: If the above difference is less than or equal to the first temperature difference threshold and greater than the second temperature difference threshold, then determine whether the inner plate temperature is greater than or equal to the inner plate temperature threshold. If yes, then execute S108; if no, then execute S106.

[0031] If the temperature difference is not significant and the temperature is not close to the set temperature, the cooling capacity needs to be reduced to maintain a steady decrease in indoor temperature and avoid premature shutdown.

[0032] In this situation, it's necessary to determine whether the airflow can be reduced by checking the internal panel temperature, thereby slowing down the cooling speed and extending the time before reaching the desired temperature. Since condensation or icing is likely to occur if the internal panel temperature is too low, reducing the airflow should not be implemented if the internal panel temperature is below the threshold value, as this would increase the risk of condensation or icing. The unit should be kept running at the current angle for stable operation. If the internal panel temperature is greater than or equal to the threshold value, the airflow can be reduced by adjusting the angle of the indoor unit's air deflector.

[0033] S106, if the inner plate temperature is less than the inner plate temperature threshold, then keep the indoor unit air guide damper at the current angle.

[0034] S108, if the inner panel temperature is greater than or equal to the inner panel temperature threshold, adjust the indoor unit's air guide damper to the first angle. The airflow at this first angle is less than the airflow at the current angle.

[0035] The air conditioning refrigeration control method provided in this invention determines the air outlet angle of the indoor unit's air guide damper by comprehensively considering the indoor ambient temperature and the indoor unit's temperature during refrigeration operation. This adjusts the air volume of the air conditioner, thereby regulating the heat exchange and delaying the air conditioner's shutdown after reaching the set temperature. This avoids frequent start-stop cycles of the air conditioner, extending its lifespan, and maintains a stable indoor ambient temperature, thus improving comfort.

[0036] Furthermore, if the aforementioned difference is greater than the first temperature difference threshold, it is determined whether the external circuit temperature is greater than the external circuit temperature threshold. When the current indoor ambient temperature is far from meeting the user's desired temperature, the air conditioner's load can be further determined using the external circuit temperature. If the load is high, the airflow cannot be increased; if the load is low, the airflow is more likely to be increased.

[0037] Specifically, if the external circuit temperature is greater than the external circuit temperature threshold, the indoor unit's air deflector remains at its current angle. In this case, the air conditioner load is high, and it is not advisable to increase the heat exchange; the indoor unit's air deflector can be kept running stably at its current angle. If the external circuit temperature is less than or equal to the external circuit temperature threshold, the indoor unit's air deflector is controlled to rotate to a second angle. The airflow at the second angle is greater than the airflow at the current angle. In this case, the air conditioner load is not high, and it has been determined in the previous steps that the indoor temperature differs significantly from the user's desired temperature; therefore, the angle of the indoor unit's air deflector can be changed to increase the airflow and thus increase the heat exchange.

[0038] Furthermore, if the aforementioned difference is less than or equal to the second temperature difference threshold, the air conditioner is controlled to shut down. In this case, the indoor ambient temperature is close to the user's set temperature, and the air conditioner can be controlled to shut down upon reaching the set temperature. For example, the second temperature difference threshold can be zero.

[0039] During air conditioner operation, the current angle of the indoor unit's air deflector needs to be recorded periodically. If the aforementioned adjustment of the indoor unit's air deflector angle occurs, its current angle should be recorded after a period of stable operation. Based on this, the above method may also include: recording the current angle of the indoor unit's air deflector after a preset period of air conditioner operation, given that the indoor unit's air deflector is at the aforementioned current angle, first angle, or second angle.

[0040] Having obtained the current angle, it can be determined whether there is any adjustment margin. It should be noted that if the current angle of the indoor unit's air deflector corresponds to the maximum air volume, then the angle of the indoor unit's air deflector cannot be further controlled to increase the air volume; correspondingly, if the current angle of the indoor unit's air deflector corresponds to the minimum air volume, then the angle of the indoor unit's air deflector cannot be further controlled to decrease the air volume.

[0041] Before determining whether the inner plate temperature is greater than or equal to the inner plate temperature threshold, a step can be added to determine whether the current angle of the indoor unit's air guide damper has reached the minimum air guide angle, thus ensuring the rationality of the control logic. If the above-mentioned situation cannot be further adjusted, then it remains unchanged. Based on this, the above method also includes:

[0042] If the difference is less than or equal to the first temperature difference threshold and greater than the second temperature difference threshold, then determine whether the current angle of the indoor unit's air guide damper is the minimum air guide angle; the indoor unit's air guide damper corresponds to the minimum air volume at this minimum air guide angle.

[0043] If it is the minimum air guide angle, keep the indoor unit's air guide door at the current angle. If it is not the minimum air guide angle, continue to perform the above steps to determine whether the inner plate temperature is greater than or equal to the inner plate temperature threshold.

[0044] Before determining whether the external circuit temperature exceeds the external circuit temperature threshold, a step can be added to determine whether the current angle of the indoor unit's air deflector has reached the maximum air deflection angle, thus ensuring the rationality of the control logic. If the above-mentioned situation cannot be further adjusted, then it remains unchanged. Based on this, the above method also includes:

[0045] If the difference is greater than the first temperature difference threshold, it is determined whether the current angle of the indoor unit's air guide damper is the maximum air guide angle; the indoor unit's air guide damper corresponds to the maximum air volume at this maximum air guide angle.

[0046] If it is the maximum airflow angle, keep the indoor unit's airflow deflector at the current angle. If it is not the maximum airflow angle, continue to perform the above steps to determine whether the external radiator temperature is greater than the external radiator temperature threshold.

[0047] Before implementing the above method, the air conditioner can be pre-tested to find the air guide angle corresponding to the maximum airflow. Based on this, the above method may also include:

[0048] The air conditioner is controlled to undergo simulation testing to determine the maximum, intermediate, and minimum airflow guide angles. Specifically, the indoor unit's airflow guide damper corresponds to the maximum airflow volume at the maximum guide angle, the minimum airflow volume at the minimum guide angle, and the airflow volume at the intermediate guide angle is less than the maximum airflow volume but greater than the minimum airflow volume. For example, the air conditioner undergoes simulation testing to find the guide angle corresponding to the maximum airflow volume at rated speed, defined as Q1, and then successively defined as Q2, Q3, Q4, etc., according to the gradually decreasing airflow volume.

[0049] In this embodiment, after the air conditioner has stabilized, the indoor unit's air guide damper angle Qn is adjusted according to the defined categories of inner ring temperature, inner panel temperature, and outer panel temperature. The change in the air conditioner's inner ring temperature serves as the reference and basis for determining the indoor unit's air guide damper angle. Combined with changes in the inner and outer panel temperatures, precise parameter adjustment is achieved.

[0050] For example, the Q value ranges from 0 to 360°, and in this embodiment, Q1, Q2, Q3, and Q4 are defined (Q1 defines the maximum airflow angle, followed by Q2, and so on, decreasing in that order); the B value ranges from 0 to 35, and in this embodiment, the value is 0; the C value ranges from 5 to 35, and in this embodiment, the value is 5; the D value ranges from 0 to 8, and in this embodiment, the value is 4; the E value ranges from 40 to 65, and in this embodiment, the value is 57.

[0051] The values ​​for each parameter are primarily determined based on current air conditioning operating scenarios and are commonly used values ​​for air conditioners. The parameter definitions are as follows:

[0052] Qn is the corresponding air guide damper angle, which can be used to fine-tune the indoor unit's air volume to control the indoor unit's heat exchange. Q1 is the maximum air volume angle.

[0053] B-value, the judgment value, is used to reflect the difference between the current room temperature of the unit and the user's desired temperature. Approaching this value means that the user's desired temperature will soon be met.

[0054] The C-value, a judgment value, is used to reflect the difference between the current room temperature of the unit and the user's desired temperature. Exceeding this value means that the room temperature is far from the user's requirements.

[0055] D value, the judgment value. If the inner plate temperature is lower than the judgment value, the unit is prone to condensation or freezing.

[0056] E-value, a judgment value. If the external panel temperature exceeds this value, it indicates that the unit is under high load and is prone to damage.

[0057] The remaining parameters can be selected based on experience with current air conditioner technology.

[0058] Figure 2 A schematic flowchart of a control method for avoiding frequent start-stop of an air conditioner provided by an embodiment of the present invention is shown. The method includes the following steps:

[0059] S201, the air conditioner operates stably in cooling mode for 5 minutes.

[0060] S202, record the current angle Qn of the indoor unit's air guide damper.

[0061] S203, Detect T = T inner ring temperature - T set temperature.

[0062] S204, determine if T > C. If yes, then execute S205.

[0063] S205, determine if n > 1. If yes, proceed to S206; otherwise, proceed to S207.

[0064] S206, determine if the condition T_outer_disk ≤ E is met. If yes, proceed to S208; otherwise, proceed to S207.

[0065] S207 is operating stably at the current angle.

[0066] S208, the indoor unit's air guide damper angle is adjusted to Qn-1.

[0067] S209, determine if C≥T>B is satisfied. If yes, then execute S210.

[0068] S210, determine if n < 4. If yes, execute S211; otherwise, execute S212.

[0069] S211, determine if the condition T (inner disk) ≥ D is met. If yes, execute S213; otherwise, execute S212.

[0070] S212 is operating stably at the current angle.

[0071] S213, the indoor unit air guide damper angle is adjusted to Qn+1.

[0072] S214, determine if T≤B is satisfied. If yes, then execute S215.

[0073] S215, Dawen shutdown.

[0074] After executing S207, S208, S212, and S213, return to execute S201. After executing S215, return to execute S202.

[0075] For example, if the air conditioner load is high but within a safe range, it is not advisable to increase the heat exchange, and it can operate stably. After the air conditioner is turned on and operates stably in cooling mode for 5 minutes, the current angle Qn is recorded. If n is recorded as 2, then T is further checked, such as T = 8. If T = 8 is greater than the preset value C, then it is determined that n is greater than 1, and the unit further checks the T_outer_panel. If T_outer_panel = 60, then it is greater than the preset value E, and the unit returns to recording the current angle after running stably for 5 minutes.

[0076] For example, if the air conditioner load is low and the indoor temperature differs significantly from the user's desired temperature, the air outlet angle can be increased to enhance heat exchange. After the air conditioner is turned on and operates stably in cooling mode for 5 minutes, the current angle Qn is recorded. If n is recorded as 2, then T is further checked. If T = 8, which is greater than the preset value C, then n is further determined to be greater than 1, and the unit further checks the T_outer_panel. If T_outer_panel = 40, which is less than the preset value E, then the indoor unit's air guide damper angle is Qn-1, i.e., Q1. After 5 minutes of stable operation, the current angle is recorded again.

[0077] For example, when the indoor temperature is close to the user's desired temperature, the angle is adjusted to a smaller value to reduce the cooling capacity, maintain indoor temperature balance, and prevent premature shutdown. The air conditioner is turned on, and after 5 minutes of stable cooling operation, the current angle Qn is recorded. If n is recorded as 2, T is further checked. If T = 4, which is less than the preset value C but greater than B, it is further determined that n is less than 4, and the unit further checks the T_inner panel. If T_inner panel = 8, which is greater than the preset value D, the angle of the indoor unit's air guide damper is Qn+1, i.e., Q3. After 5 minutes of stable operation, the current angle is recorded again.

[0078] For example, if the inner panel temperature is already low and condensation or ice is likely to form, the angle cannot be adjusted further. After the air conditioner is turned on and runs stably in cooling mode for 5 minutes, the current angle Qn is recorded. If n is recorded as 2, then T is further checked. If T = 4, which is less than the preset value C but greater than B, and n is determined to be less than 4, then the unit further checks the inner panel angle T. If T inner panel = 3, which is less than the preset value D, then the unit runs stably for 5 minutes and returns to recording the current angle.

[0079] For example, the unit is already at its minimum airflow angle to ensure normal heat exchange. After the air conditioner is turned on and runs stably in cooling mode for 5 minutes, the current angle Qn is recorded. If n is recorded as 4, then T is further checked. If T = 4 is less than the preset value C but greater than B, then it is determined that n is not less than 4, and the unit runs stably for 5 minutes before returning to record the current angle.

[0080] For example, ensure the unit reaches the desired temperature and shuts down promptly. After the air conditioner is turned on and runs stably in cooling mode for 5 minutes, record the current angle Qn. If n is recorded as 2, then further check T. If T = 0 and not greater than B, the unit reaches the desired temperature and shuts down, returning to record the current angle after 5 minutes.

[0081] This invention employs a periodic cyclic algorithm involving the inner loop, inner panel, outer panel, and user preferences. During cooling operation, it can adjust the indoor unit's airflow angle in real time, sequentially regulating the air volume and controlling the unit's load status to ensure normal operation. For different user needs, it can adjust the indoor unit's heat exchange according to the actual scenario, enabling continuous air conditioner operation. By setting the temperature change range based on the inner loop and user preferences, it confirms the accuracy of temperature changes, achieving precise control of the airflow angle. By controlling the airflow angle through temperature changes, it adjusts heat exchange, delays the air conditioner's shutdown upon reaching the set temperature, and extends the air conditioner's lifespan.

[0082] Figure 3 This is a schematic diagram of the structure of a refrigeration control device for an air conditioner according to an embodiment of the present invention. The device includes:

[0083] The acquisition module 301 is used to acquire the difference between the indoor ambient temperature and the set temperature;

[0084] The inner disk temperature judgment module 302 is used to determine whether the inner disk temperature is greater than or equal to the inner disk temperature threshold if the difference is less than or equal to the first temperature difference threshold and greater than the second temperature difference threshold.

[0085] The module 303 is used to keep the indoor unit air guide damper at the current angle if the inner disk temperature is less than the inner disk temperature threshold.

[0086] The adjustment module 304 is used to adjust the indoor unit air guide damper to a first angle if the inner plate temperature is greater than or equal to the inner plate temperature threshold; the air volume corresponding to the indoor unit air guide damper at the first angle is less than the air volume corresponding to the current angle.

[0087] The refrigeration control device for an air conditioner provided in this embodiment of the invention determines the air outlet angle of the indoor unit's air guide damper by comprehensively considering the indoor ambient temperature and the indoor unit's temperature during refrigeration operation. This adjusts the air volume of the air conditioner, thereby regulating the heat exchange and delaying the air conditioner's shutdown after reaching the set temperature. This avoids frequent start-stop cycles of the air conditioner, extending its lifespan, and maintains a stable indoor ambient temperature, thus improving comfort.

[0088] As a feasible approach, the device further includes an outer disk temperature judgment module, used for: if the difference is greater than a first temperature difference threshold, determining whether the outer disk temperature is greater than the outer disk temperature threshold; if the outer disk temperature is greater than the outer disk temperature threshold, keeping the indoor unit air guide damper unchanged at the current angle; if the outer disk temperature is less than or equal to the outer disk temperature threshold, controlling the indoor unit air guide damper to rotate to a second angle; the airflow volume corresponding to the indoor unit air guide damper at the second angle is greater than the airflow volume corresponding to the current angle.

[0089] As an alternative, the device further includes a temperature-reaching shutdown module, used to: control the air conditioner to shut down if the difference is less than or equal to the second temperature difference threshold.

[0090] As a feasible approach, the device further includes an angle determination module, used to: if the difference is less than or equal to the first temperature difference threshold and greater than the second temperature difference threshold, determine whether the current angle of the indoor unit air guide door is the minimum air guide angle; the indoor unit air guide door corresponds to the minimum air volume at the minimum air guide angle; if it is the minimum air guide angle, keep the indoor unit air guide door at the current angle unchanged; if it is not the minimum air guide angle, continue to execute the step of determining whether the inner plate temperature is greater than or equal to the inner plate temperature threshold.

[0091] As a feasible approach, the angle determination module is further configured to: if the difference is greater than the first temperature difference threshold, determine whether the current angle of the indoor unit air guide door is the maximum air guide angle; the indoor unit air guide door corresponds to the maximum air volume at the maximum air guide angle; if it is the maximum air guide angle, keep the indoor unit air guide door at the current angle unchanged; if it is not the maximum air guide angle, continue to execute the step of determining whether the outer disk temperature is greater than the outer disk temperature threshold.

[0092] As a feasible approach, the device further includes a simulation test module for: controlling the air conditioner to perform a simulation test to determine the maximum air guide angle, the intermediate air guide angle, and the minimum air guide angle; the indoor unit's air guide damper corresponds to the maximum air volume at the maximum air guide angle, the minimum air volume at the minimum air guide angle, and the air volume corresponding to the intermediate air guide angle is less than the maximum air volume but greater than the minimum air volume.

[0093] As an alternative, the device further includes a recording module for recording the current angle of the indoor unit air guide door after the air conditioner has been running for a preset period of time, given the current angle, the first angle, or the second angle.

[0094] This invention provides an air conditioner, including a computer-readable storage medium storing a computer program and a processor, wherein the computer program is read and executed by the processor to implement the method provided in the above embodiments.

[0095] This invention provides a computer-readable storage medium storing a computer program. When read and executed by a processor, the computer program implements the method provided in the above embodiments and achieves the same technical effect. To avoid repetition, further details are omitted here. The computer-readable storage medium may be a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.

[0096] Of course, those skilled in the art will understand that all or part of the processes in the above embodiments can be implemented by computer-controlled devices. The program can be stored in a computer-readable storage medium. When the program is executed, it can include the processes of the above method embodiments. The storage medium can be a memory, a disk, an optical disk, etc.

[0097] While the present invention has been disclosed above, it is not limited thereto. Any person skilled in the art can make various modifications and alterations without departing from the spirit and scope of the invention; therefore, the scope of protection of the present invention should be determined by the scope defined in the claims.

[0098] Finally, it should be noted that in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0099] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably. Regarding the refrigeration control device and air conditioner disclosed in the embodiments, since they correspond to the refrigeration control method of the air conditioner disclosed in the above embodiments, the description is relatively simple, and relevant parts can be referred to the method section.

[0100] While the present invention has been disclosed above, it is not limited thereto. Any person skilled in the art can make various modifications and alterations without departing from the spirit and scope of the invention; therefore, the scope of protection of the present invention should be determined by the scope defined in the claims.

Claims

1. A refrigeration control method of an air conditioner, characterized by, The method comprises: obtaining a difference between the indoor environment temperature and the set temperature; if the difference is less than or equal to a first temperature difference threshold and greater than a second temperature difference threshold, determining whether the inner disc temperature is greater than or equal to an inner disc temperature threshold; if the inner disc temperature is less than the inner disc temperature threshold, keeping the inner unit air guide door at the current angle unchanged; if the inner disc temperature is greater than or equal to the inner disc temperature threshold, adjusting the inner unit air guide door to a first angle; the air volume corresponding to the inner unit air guide door at the first angle is less than the air volume corresponding to the inner unit air guide door at the current angle; if the difference is greater than the first temperature difference threshold, determining whether the outer disc temperature is greater than an outer disc temperature threshold; if the outer disc temperature is greater than the outer disc temperature threshold, keeping the inner unit air guide door at the current angle unchanged; if the outer disc temperature is less than or equal to the outer disc temperature threshold, controlling the inner unit air guide door to rotate to a second angle; the air volume corresponding to the inner unit air guide door at the second angle is greater than the air volume corresponding to the inner unit air guide door at the current angle.

2. The method of claim 1, wherein, The method further comprises: if the difference is less than or equal to the second temperature difference threshold, controlling the air conditioner to stop running.

3. The method of claim 1, wherein, Before the step of determining whether the inner disc temperature is greater than or equal to the inner disc temperature threshold, the method further comprises: if the difference is less than or equal to the first temperature difference threshold and greater than the second temperature difference threshold, determining whether the current angle of the inner unit air guide door is a minimum air guide angle; the air volume corresponding to the inner unit air guide door at the minimum air guide angle is a minimum air volume; if it is the minimum air guide angle, keeping the inner unit air guide door at the current angle unchanged; if it is not the minimum air guide angle, continuing to perform the step of determining whether the inner disc temperature is greater than or equal to the inner disc temperature threshold.

4. The method of claim 1, wherein, Before the step of determining whether the outer disc temperature is greater than the outer disc temperature threshold, the method further comprises: if the difference is greater than the first temperature difference threshold, determining whether the current angle of the inner unit air guide door is a maximum air guide angle; the air volume corresponding to the inner unit air guide door at the maximum air guide angle is a maximum air volume; if it is the maximum air guide angle, keeping the inner unit air guide door at the current angle unchanged; if it is not the maximum air guide angle, continuing to perform the step of determining whether the outer disc temperature is greater than the outer disc temperature threshold.

5. The method of claim 1, wherein, The method further comprises: controlling the air conditioner to perform simulation test to determine the maximum air guide angle, the intermediate air guide angle and the minimum air guide angle; the air volume corresponding to the inner unit air guide door at the maximum air guide angle is the maximum air volume, the air volume corresponding to the inner unit air guide door at the minimum air guide angle is the minimum air volume, and the air volume corresponding to the inner unit air guide door at the intermediate air guide angle is less than the maximum air volume and greater than the minimum air volume.

6. The method according to any one of claims 1 to 5, wherein, The method further comprises: after the air conditioner runs for a preset time length in the case that the inner unit air guide door is at the current angle, the first angle or the second angle, recording the current angle of the inner unit air guide door.

7. A refrigeration control device for an air conditioner, characterized in that, The device comprises: an obtaining module, configured to obtain a difference between the indoor environment temperature and the set temperature; an inner disc temperature determination module, configured to, if the difference is less than or equal to a first temperature difference threshold and greater than a second temperature difference threshold, determine whether the inner disc temperature is greater than or equal to an inner disc temperature threshold; a keeping module configured to keep the inner machine air guide door unchanged at a current angle if the inner disc temperature is less than the inner disc temperature threshold value; an adjusting module configured to adjust the inner machine air guide door to a first angle if the inner disc temperature is greater than or equal to the inner disc temperature threshold value; the outflow corresponding to the first angle of the inner machine air guide door is less than the outflow corresponding to the current angle of the inner machine air guide door; an outer disc temperature judging module configured to: if the difference is greater than a first temperature difference threshold value, judge whether an outer disc temperature is greater than an outer disc temperature threshold value; if the outer disc temperature is greater than the outer disc temperature threshold value, keep the inner machine air guide door unchanged at the current angle; if the outer disc temperature is less than or equal to the outer disc temperature threshold value, control the inner machine air guide door to rotate to a second angle; the outflow corresponding to the second angle of the inner machine air guide door is greater than the outflow corresponding to the current angle of the inner machine air guide door.

8. An air conditioner characterized by comprising: The computer readable storage medium stores a computer program, and the computer program is read and run by the processor to implement the method in any one of claims 1-6.

9. A computer-readable storage medium, characterized in that, The computer readable storage medium stores a computer program, and the computer program is read and run by the processor to implement the method in any one of claims 1-6.

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