Air conditioner heating control method and device and air conditioner system

Abstract

The invention provides an air conditioner heating control method and device and an air conditioner system.The method comprises the steps that under the condition that an air conditioner is in a heating mode, the outer ring temperature and the outer pipe temperature of the air conditioner are obtained, the outer ring temperature is the environment temperature of the space where an outdoor unit of the air conditioner is located, and the outer pipe temperature is the temperature of a connecting pipe of the outdoor unit and an indoor unit of the air conditioner; under the condition that the outer ring temperature of the air conditioner is smaller than a first temperature threshold value and meets a reverse rotation condition, an outer fan of the air conditioner is controlled to be converted into reverse rotation from forward rotation, and the reverse rotation condition is that when the outer fan of the air conditioner rotates forwards, the continuous working duration of a compressor of the air conditioner reaches preset duration, and the difference value between the outer ring temperature and the outer pipe temperature is larger than a preset temperature difference; the problem that in the prior art, the heating capacity and the continuous heating time of an air conditioner cannot meet the requirements of users under the cold weather condition is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of air conditioner control, in particular to an air conditioner heating control method and device, a computer readable storage medium and an air conditioner system. BACKGROUND

[0002] The existing air conditioner in the heating mode, especially in low temperature environment, is prone to problems such as low heating efficiency and short continuous heating time. In order to solve these problems, it is usually necessary to make complex modifications to the structure of the air conditioner or increase additional costs. However, this solution not only increases the manufacturing cost, but also may lead to the increase of maintenance complexity.

[0003] In the existing air conditioner heating technology, the heating performance of the air conditioner usually depends on the fixed operation mode, which limits the performance of the air conditioner in different environment temperatures to some extent. Especially in cold weather conditions, the heating capacity and continuous heating time of the air conditioner often cannot meet the user's demand. The existing control method for the outer fan is mainly the operation mode of forward rotation, which lacks flexibility and pertinence. SUMMARY

[0004] The main purpose of the present application is to provide an air conditioner heating control method, device, computer readable storage medium and air conditioner system to at least solve the problem that the heating capacity and continuous heating time of the air conditioner in cold weather conditions cannot meet the user's demand in the prior art.

[0005] In order to achieve the above purpose, according to one aspect of the present application, an air conditioner heating control method is provided, comprising: acquiring the outer ring temperature and the outer pipe temperature of the air conditioner when the air conditioner is in the heating mode, the outer ring temperature being the environment temperature of the space where the outdoor unit of the air conditioner is located, and the outer pipe temperature being the temperature of the connecting pipe between the outdoor unit and the indoor unit of the air conditioner; in the case that the outer ring temperature of the air conditioner is less than the first temperature threshold and the reverse condition is met, controlling the outer fan of the air conditioner to be converted from forward rotation to reverse rotation, the reverse condition being that the continuous working time length of the compressor of the air conditioner when the outer fan of the air conditioner is in forward rotation reaches the predetermined time length and the difference between the outer ring temperature and the outer pipe temperature is greater than the predetermined temperature difference.

[0006] Optionally, the reverse condition includes a first reverse condition and a second reverse condition, and in a case where the outer ring temperature of the air conditioner is less than a first temperature threshold and the reverse condition is met, the outer fan of the air conditioner is controlled to be switched from forward rotation to reverse rotation, including: in a case where the outer ring temperature is less than the first temperature threshold, the outer ring temperature is greater than or equal to a second temperature threshold, and the first reverse condition is met, the outer fan is controlled to be switched from forward rotation to reverse rotation, the first reverse condition being that the continuous operation time of the compressor when the outer fan is in forward rotation reaches a first predetermined time length and the difference between the outer ring temperature and the outer pipe temperature is greater than a predetermined temperature difference; in a case where the outer ring temperature is less than the second temperature threshold and the second reverse condition is met, the outer fan is controlled to be switched from forward rotation to reverse rotation, the second reverse condition being that the continuous operation time of the compressor when the outer fan is in forward rotation reaches a second predetermined time length and the difference between the outer ring temperature and the outer pipe temperature is greater than the predetermined temperature difference, the second predetermined time length being greater than the first predetermined time length.

[0007] Optionally, after the outer fan of the air conditioner is controlled to be switched from forward rotation to reverse rotation, the method further includes: in a case where the outer fan is in reverse rotation and the outer pipe temperature is less than a second temperature threshold, the outer fan is controlled to be switched from reverse rotation to forward rotation.

[0008] Optionally, after the outer fan is controlled to be switched from reverse rotation to forward rotation in a case where the outer fan is in reverse rotation and the outer pipe temperature is less than a second temperature threshold, the method further includes: in a case where the outer pipe temperature is greater than or equal to the second temperature threshold and the continuous operation time of the compressor of the air conditioner when the outer fan is in forward rotation reaches a third predetermined time length, the outer fan of the air conditioner is controlled to be switched from forward rotation to reverse rotation, the third predetermined time length being less than the first predetermined time length.

[0009] Optionally, after the outer fan is controlled to be switched from reverse rotation to forward rotation in a case where the outer fan is in reverse rotation and the outer pipe temperature is less than a second temperature threshold, the method further includes: in a case where the number of reversals reaches a predetermined number of times, the outer fan is controlled to remain in forward rotation until the air conditioner enters a defrosting mode, the number of reversals being the number of times that the outer fan is switched from forward rotation to reverse rotation from the time when the last defrosting ends to the current time.

[0010] Optionally, after the outer fan is controlled to remain in forward rotation in a case where the number of reversals reaches a predetermined number of times until the air conditioner enters a defrosting mode, the method further includes: in a case where the air conditioner finishes defrosting, the indoor temperature of the air conditioner is obtained; in a case where the indoor temperature is less than a set temperature, the air conditioner is controlled to enter the heating mode.

[0011] Optionally, when the air conditioner is in heating mode, after obtaining the outer ring temperature and outer tube temperature of the air conditioner, the method further includes: controlling the outer fan to keep rotating forward when the outer ring temperature is greater than or equal to the first temperature threshold.

[0012] According to another aspect of the present application, a control device for air conditioning heating is provided, comprising: a first acquisition unit, for acquiring the outer ring temperature and outer tube temperature of the air conditioner when the air conditioner is in heating mode, the outer ring temperature being the ambient temperature of the space where the outer unit of the air conditioner is located, and the outer tube temperature being the temperature of the connecting pipe between the outer unit and the inner unit of the air conditioner; a first control unit, for controlling the outer fan of the air conditioner to switch from forward rotation to reverse rotation when the outer ring temperature of the air conditioner is less than a first temperature threshold and a reversal condition is met, the reversal condition being that the continuous working time of the compressor of the air conditioner reaches a predetermined time when the outer fan of the air conditioner rotates forward and the difference between the outer ring temperature and the outer tube temperature is greater than a predetermined temperature difference.

[0013] According to another aspect of the present application, a computer-readable storage medium is provided, which includes a stored program, wherein when the program is run, the device where the computer-readable storage medium is located is controlled to execute any one of the air conditioning heating control methods.

[0014] According to another aspect of the present application, an air-conditioning system is provided, comprising: an air-conditioner, one or more processors, a memory, and one or more programs, wherein the one or more programs are stored in the memory and are configured to be executed by the one or more processors, and the one or more programs include a control method for executing any one of the air-conditioning heating methods.

[0015] With the technical solution of the present application, in the air conditioner heating control method, when the air conditioner is in the heating mode, the outer ring temperature and the outer pipe temperature of the air conditioner are obtained, the outer ring temperature of the air conditioner is less than the first temperature threshold, which indicates that the air conditioner outer machine will frost, and the continuous working time length of the compressor of the air conditioner when the outer fan of the air conditioner is forward rotation reaches the predetermined time length, so as to ensure that the air conditioner outer machine has already frosted, and the difference between the outer ring temperature and the outer pipe temperature is greater than the predetermined temperature difference, which indicates that the outer pipe temperature is too low, which greatly reduces the heating efficiency of the air conditioner, and the reverse condition is met when the two conditions are met, that is, the outer fan of the air conditioner is controlled to be converted from forward rotation to reverse rotation. Since the outer fan is forward running, frost will form on the windward surface of the heat exchanger, but there is little frost on the leeward surface. By reversing the outer fan, the other side of the heat exchanger can also form thin frost. When the frost layer on the heat exchanger of the air conditioner is thin frost, the heat exchange efficiency can be improved, so that the air conditioner does not need to enter the defrosting mode directly after the frost on the windward surface of the heat exchanger meets the defrosting condition, the defrosting is delayed, the heating time is prolonged, the user experience is improved, and the problem that the heating capacity and the continuous heating time of the air conditioner in the prior art cannot meet the user's demand in cold weather conditions is solved. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the application and are incorporated herein in their entirety. The embodiments of the present application, together with its advantages, can best be understood by referring to the following detailed description taken in connection with the accompanying drawings in which:

[0017] Figure 1 A hardware structure block diagram of a mobile terminal for executing an air conditioner heating control method according to an embodiment of the present application is shown;

[0018] Figure 2 A flowchart of an air conditioner heating control method according to an embodiment of the present application is shown;

[0019] Figure 3 A flowchart of another air conditioner heating control method according to an embodiment of the present application is shown;

[0020] Figure 4 A structure block diagram of an air conditioner heating control device according to an embodiment of the present application is shown.

[0021] Among them, the above-mentioned drawings include the following reference signs:

[0022] 102, processor; 104, memory; 106, transmission device; 108, input and output device. DETAILED DESCRIPTION

[0023] It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

[0024] In order to enable those skilled in the art to better understand the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of this application.

[0025] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0026] As introduced in the background technology, the heating capacity and continuous heating time of air conditioners in the existing technology cannot meet the needs of users under cold weather conditions. In order to solve this technical problem, the embodiments of the present application provide a control method, device, computer-readable storage medium and air conditioning system for air conditioning heating.

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0028] The method embodiments provided in the embodiments of the present application can be executed in a mobile terminal, a computer terminal or a similar computing device. Taking running on a mobile terminal as an example, Figure 1 This is a hardware structure block diagram of a mobile terminal for a method of controlling air conditioning and heating according to an embodiment of the present invention. Figure 1 As shown, the mobile terminal may include one or more ( Figure 1 Only one is shown) a processor 102 (the processor 102 may include but is not limited to a microprocessor MCU or a programmable logic device FPGA and other processing devices) and a memory 104 for storing data, wherein the mobile terminal may also include a transmission device 106 and an input and output device 108 for communication functions. It will be understood by those skilled in the art that Figure 1 The structure shown is only for illustration and does not limit the structure of the mobile terminal. Figure 1 More or fewer components than shown, or with Figure 1Different configurations shown.

[0029] The memory 104 can be used to store computer programs, such as software programs and modules of application software, such as the computer program corresponding to the air conditioning and heating control method in the embodiment of the present invention. The processor 102 executes the computer program stored in the memory 104 to execute various functional applications and data processing, thereby implementing the above-mentioned method. The memory 104 may include a high-speed random access memory and may also include a non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory 104 may further include a memory remotely located relative to the processor 102, and these remote memories may be connected to the mobile terminal via a network. Examples of such networks include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof. The transmission device 106 is used to receive or send data via a network. Specific examples of such networks may include a wireless network provided by the mobile terminal's telecommunications provider. In one example, the transmission device 106 includes a network interface controller (NIC), which can be connected to other network devices via a base station to enable communication with the Internet. In one example, the transmission device 106 may be a radio frequency (RF) module, which is used to communicate with the Internet wirelessly.

[0030] In this embodiment, a method for controlling air conditioning and heating that runs on a mobile terminal, a computer terminal, or a similar computing device is provided. It should be noted that the steps shown in the flowchart of the accompanying drawings can be executed in a computer system such as a set of computer-executable instructions, and although a logical order is shown in the flowchart, in some cases, the steps shown or described can be executed in an order different from that shown here.

[0031] Figure 2 FIG. 1 is a flow chart of a method for controlling air conditioning heating according to an embodiment of the present application. Figure 2 As shown, the method includes the following steps:

[0032] Step S201, when the air conditioner is in heating mode, obtaining the outer ring temperature and outer tube temperature of the air conditioner, wherein the outer ring temperature is the ambient temperature of the space where the outdoor unit of the air conditioner is located, and the outer tube temperature is the temperature of the connecting pipe between the outdoor unit and the indoor unit of the air conditioner;

[0033] Specifically, the air conditioner is in heating mode, indicating that the current weather conditions are cold. The outer ring temperature and outer tube temperature of the air conditioner will affect the heating effect of the air conditioner. The air conditioner heating strategy can be determined based on the outer ring temperature and outer tube temperature to ensure the heating effect.

[0034] Step S202, when the outer ring temperature of the above-mentioned air conditioner is less than the first temperature threshold and the reversal condition is met, the outer fan of the above-mentioned air conditioner is controlled to switch from forward rotation to reverse rotation. The above-mentioned reversal condition is that when the outer fan of the above-mentioned air conditioner rotates forward, the continuous working time of the compressor of the above-mentioned air conditioner reaches a predetermined time and the difference between the above-mentioned outer ring temperature and the above-mentioned outer tube temperature is greater than the predetermined temperature difference.

[0035] Specifically, if the outer ring temperature of the air conditioner is less than the first temperature threshold, it indicates that the heat exchanger of the air conditioner's outdoor unit will frost. When the outdoor fan is running in the forward direction, air enters from the side of the heat exchanger and exits from the front panel, resulting in frost on the windward side of the heat exchanger and less frost on the leeward side. If the reversal condition is also met, that is, the compressor of the air conditioner has been working continuously for a period of time when the outdoor fan of the air conditioner is running in the forward direction, the machine has been turned on for heating for a period of time, and the difference between the outer ring temperature and the outer tube temperature is greater than the predetermined temperature difference, indicating that the outer tube temperature is much lower than the outer ring temperature, indicating that the thick frost on the windward side of the heat exchanger reduces the heat exchange efficiency of the heat exchanger, thereby reducing the heating efficiency of the air conditioner. By reversing the outdoor fan, a thin layer of frost can be formed on the other side of the heat exchanger. When the frost layer on the air conditioner heat exchanger is thin, the heat exchange efficiency can be improved.

[0036] In the above-mentioned air conditioning heating control method, when the air conditioner is in heating mode, the outer ring temperature and outer tube temperature of the air conditioner are obtained. If the outer ring temperature of the air conditioner is less than the first temperature threshold, it indicates that the air conditioner outdoor unit is frosted. When the outer fan of the air conditioner rotates forward, the continuous working time of the air conditioner compressor reaches a predetermined time to ensure that the air conditioner outdoor unit has been frosted. If the difference between the outer ring temperature and the outer tube temperature is greater than the predetermined temperature difference, it indicates that the outer tube temperature is too low, which greatly reduces the heating efficiency of the air conditioner. If these two conditions are met, the reversal condition is met, and the outer fan of the air conditioner is controlled to rotate from forward to reverse. When the rotation is switched to reverse, due to the forward operation of the outdoor fan, frost will form on the windward side of the heat exchanger, but there will be less frost on the leeward side. By reversing the outdoor fan, a thin layer of frost can also form on the other side of the heat exchanger. When the frost layer on the air conditioner heat exchanger is in the thin state, the heat exchange efficiency can be improved. Therefore, there is no need to directly enter the defrost mode after the frost on the windward side of the heat exchanger meets the defrost conditions. The defrost is delayed, the heating time is extended, and the user experience is improved. This solves the problem in the existing technology that the heating capacity and continuous heating time of the air conditioner in cold weather conditions cannot meet the needs of users.

[0037] In order to extend the heating time at low temperatures, in an optional embodiment, the reversal condition includes a first reversal condition and a second reversal condition, and the step S202 includes:

[0038] Step S2021: When the outer ring temperature is less than the first temperature threshold, the outer ring temperature is greater than or equal to the second temperature threshold, and the first reversal condition is satisfied, controlling the outer fan to switch from forward rotation to reverse rotation, wherein the first reversal condition is that the continuous operation time of the compressor reaches a first predetermined time when the outer fan is rotating forward and the difference between the outer ring temperature and the outer tube temperature is greater than a predetermined temperature difference;

[0039] Step S2022, when the above-mentioned outer ring temperature is lower than the above-mentioned second temperature threshold and the above-mentioned second reversal condition is met, the above-mentioned outer fan is controlled to switch from forward rotation to reverse rotation, and the above-mentioned second reversal condition is that when the above-mentioned outer fan rotates forward, the continuous working time of the above-mentioned compressor reaches the second predetermined time and the difference between the above-mentioned outer ring temperature and the above-mentioned outer tube temperature is greater than the above-mentioned predetermined temperature difference, and the above-mentioned second predetermined time is greater than the above-mentioned first predetermined time.

[0040] In the above embodiment, if the outer ring temperature is less than the first temperature threshold and the outer ring temperature is greater than or equal to the second temperature threshold, that is, T2≤Touter ring<T1, it indicates that frost will form outside the air conditioner at this ambient temperature, and the outer ring temperature is slightly higher. If the outer ring temperature is less than the second temperature threshold, that is, Touter ring<T2, it indicates that frost will form outside the air conditioner at this ambient temperature, and the outer ring temperature is lower. The predetermined time lengths of the reversal conditions corresponding to the two situations are different. When the outer ring temperature is slightly higher, the higher the water vapor content in the air, the faster the frost formation speed. When the outer ring temperature is low, the lower the water vapor content in the air, the slower the frost formation speed. When the outer ring temperature is low, the frost on the windward side of the forward-conversion heat exchanger of the external fan is slower, and the heating can be continued for a longer time in the forward direction before reversing. That is, the second predetermined time is greater than the first predetermined time, thereby extending the heating time at low temperatures. The temperature threshold value range is T1∈[3,6], T2∈[-2,3), the first predetermined time is∈[10min,30min], and the second predetermined time is∈[15min,35min].

[0041] In order to further extend the heating time, in an optional embodiment, after controlling the outdoor fan of the air conditioner to switch from forward rotation to reverse rotation, the method further includes:

[0042] Step S301 : When the external fan rotates in reverse and the temperature of the external pipe is lower than a second temperature threshold, the external fan is controlled to switch from reverse rotation to forward rotation.

[0043] In the above embodiment, when the outer fan is reversed, the frost layer on the leeward side of the outer fan rotating in the forward direction is thin, the heat exchange effect is improved, and the frost layer on the windward side of the outer fan rotating in the forward direction is slightly melted. When the outer pipe temperature is less than the second temperature threshold, it indicates that the frost layer on the leeward side of the outer fan rotating in the forward direction is relatively thick, which reduces the heat exchange efficiency of the heat exchanger. Therefore, the outer fan can be controlled to switch from reverse rotation to forward rotation, the frost layer on the windward side of the outer fan rotating in the forward direction is relatively thin, which improves the heat exchange efficiency of the heat exchanger, thereby continuing heating and further prolonging the heating time.

[0044] In order to further prolong the heating time, in an optional embodiment, when the outer fan is reversed and the outer pipe temperature is less than the second temperature threshold, after the outer fan is controlled to switch from reverse rotation to forward rotation, the method further comprises:

[0045] In step S401, when the outer pipe temperature is greater than or equal to the second temperature threshold and the continuous operation time of the compressor of the air conditioner when the outer fan rotates in the forward direction reaches the third predetermined time, the outer fan of the air conditioner is controlled to switch from forward rotation to reverse rotation, and the third predetermined time is less than the first predetermined time.

[0046] In the above embodiment, after the outer fan is controlled to switch from reverse rotation to forward rotation, if the re-reversing condition is met, i.e., the outer pipe temperature is greater than or equal to the second temperature threshold, the frost layer of the heat exchanger is not thick, and the continuous operation time of the compressor of the air conditioner when the outer fan rotates in the forward direction reaches the third predetermined time, the third predetermined time is less than the first predetermined time, and the third predetermined time is ∈[5min, 25min], which is shorter than the previous forward rotation heating time, thereby preventing the frost layer from being too thick. Therefore, the outer fan of the air conditioner can be controlled to switch from forward rotation to reverse rotation, the forward rotation and reverse rotation switching is realized multiple times, the heating time is increased, and the time of entering the defrosting mode is delayed.

[0047] In order to avoid high-frequency switching, in an optional embodiment, when the outer fan is reversed and the outer pipe temperature is less than the second temperature threshold, after the outer fan is controlled to switch from reverse rotation to forward rotation, the method further comprises:

[0048] In step S501, when the number of reversals reaches a predetermined number, the outer fan is controlled to keep rotating in the forward direction until the air conditioner enters the defrosting mode, and the number of reversals is the number of times that the outer fan is switched from forward rotation to reverse rotation from the end of the last defrosting to the current time.

[0049] In the above embodiment, the outer fan rotates in the forward direction and the reverse direction multiple times, which more effectively prolongs the continuous heating time. Thereafter, the outer fan no longer reverses, avoiding frequent switching, until the air conditioner defrosts, and then a new round of judgment is performed.

[0050] In order to meet the user's heating needs, in an optional embodiment, when the number of reverse rotations reaches a predetermined number, controlling the outdoor fan to maintain forward rotation until the air conditioner enters the defrost mode, the method further includes:

[0051] Step S601, when the air conditioner defrost is completed, obtaining the indoor temperature of the air conditioner;

[0052] Step S602: When the indoor temperature is lower than the set temperature, the air conditioner is controlled to enter the heating mode.

[0053] In the above embodiment, air conditioner defrosting usually causes the room temperature to drop. After the air conditioner defrosting is completed, it is re-determined whether heating is needed. When the indoor temperature is lower than the set temperature, the air conditioner is controlled to enter the heating mode and continue heating to meet the user's heating needs. The above heating strategy can be repeated to extend the heating time.

[0054] To simplify the control strategy, in an optional embodiment, when the air conditioner is in heating mode, after obtaining the outer ring temperature and the outer tube temperature of the air conditioner, the method further includes:

[0055] Step S701: When the outer ring temperature is greater than or equal to the first temperature threshold, control the outer fan to keep rotating forward.

[0056] In the above embodiment, when the above outer ring temperature is greater than or equal to the above first temperature threshold, it indicates that the ambient temperature is high, the air conditioner outdoor unit will basically not frost, or the thin frost will not significantly affect the heating efficiency, and the above outdoor fan can be controlled to keep rotating forward for heating without reversing.

[0057] In order to enable those skilled in the art to more clearly understand the technical solution of the present application, the implementation process of the air conditioning heating control method of the present application will be described in detail below with reference to specific embodiments.

[0058] This embodiment relates to a specific air conditioning heating control method, such as Figure 3 As shown, the following steps are included:

[0059] Step S1: After the air conditioner is turned on, determine whether it is in heating mode;

[0060] Step S2: If the air conditioner is in heating mode, obtain the outer ring temperature and outer tube temperature of the air conditioner;

[0061] Step S3: Determine which temperature zone the outer ring temperature belongs to, temperature zone 1: Touter ring ≥ T1; temperature zone 2: T2 ≤ Touter ring < T1; temperature zone 3: Touter ring < T2, T1∈[3,6], T2∈[-2,3);

[0062] Step S4: If the outer ring temperature belongs to temperature zone 1, the outer fan operation mode is 1, and the outer fan operates normally, that is, rotates forward. If the outer ring temperature belongs to temperature zone 2 and condition 1 is satisfied (the continuous working time of the compressor when the outer fan rotates forward reaches a first predetermined time and the difference between the outer ring temperature and the outer tube temperature is greater than the predetermined temperature difference), the outer fan operation mode is 2, and the outer fan operates in reverse, that is, reverse. If the outer ring temperature belongs to temperature zone 3 and condition 2 is satisfied (the continuous working time of the compressor when the outer fan rotates forward reaches a second predetermined time and the difference between the outer ring temperature and the outer tube temperature is greater than the predetermined temperature difference, and the second predetermined time is greater than the first predetermined time), the outer fan operation mode is 2, and the outer fan operates in reverse, that is, reverse.

[0063] Step S5: determining whether the air conditioner meets the condition for exiting the second external fan operation mode (the external tube temperature is less than the second temperature threshold); if so, exiting the second external fan operation mode and entering the first external fan operation mode;

[0064] Step S6: During operation mode 1, determine whether the above-mentioned external tube temperature is greater than or equal to T2 and whether condition 3 is met (the continuous working time of the air conditioner compressor reaches the third predetermined time when the external fan rotates forward). If so, the external fan continues to operate in mode 2, executes external fan operation mode 2 multiple times, and then no longer enters external fan operation mode 2, enters external fan operation mode 1, until the air conditioner is defrosted, and then a new round of judgment is performed.

[0065] The embodiment of the present application also provides a control device for air conditioning heating. It should be noted that the control device for air conditioning heating in the embodiment of the present application can be used to execute the control method for air conditioning heating provided in the embodiment of the present application. The device is used to implement the above-mentioned embodiments and preferred embodiments, and the details that have been described will not be repeated here. As used below, the term "module" can implement a combination of software and / or hardware for a predetermined function. Although the devices described in the following embodiments are preferably implemented in software, the implementation of hardware, or a combination of software and hardware, is also possible and conceived.

[0066] The following is an introduction to the air conditioning heating control device provided in the embodiment of the present application.

[0067] Figure 4 Schematic diagram of a control device for air conditioning heating according to an embodiment of the present application. Figure 4 As shown, the device includes:

[0068] The first acquisition unit 10 is configured to acquire, when the air conditioner is in heating mode, an outer ring temperature and an outer tube temperature of the air conditioner, wherein the outer ring temperature is the ambient temperature of a space where the outdoor unit of the air conditioner is located, and the outer tube temperature is the temperature of a pipe connecting the outdoor unit and the indoor unit of the air conditioner;

[0069] Specifically, the air conditioner is in heating mode, indicating that the current weather conditions are cold. The outer ring temperature and outer tube temperature of the air conditioner will affect the heating effect of the air conditioner. The air conditioner heating strategy can be determined based on the outer ring temperature and outer tube temperature to ensure the heating effect.

[0070] The first control unit 20 is used to control the external fan of the above-mentioned air conditioner to switch from forward rotation to reverse rotation when the external ring temperature of the above-mentioned air conditioner is lower than the first temperature threshold and the reversal condition is met. The above-mentioned reversal condition is that when the external fan of the above-mentioned air conditioner rotates forward, the continuous working time of the compressor of the above-mentioned air conditioner reaches a predetermined time and the difference between the above-mentioned external ring temperature and the above-mentioned external tube temperature is greater than the predetermined temperature difference.

[0071] Specifically, if the outer ring temperature of the air conditioner is less than the first temperature threshold, it indicates that the heat exchanger of the air conditioner's outdoor unit will frost. When the outdoor fan is running in the forward direction, air enters from the side of the heat exchanger and exits from the front panel, resulting in frost on the windward side of the heat exchanger and less frost on the leeward side. If the reversal condition is also met, that is, the compressor of the air conditioner has been continuously operating for a period of time when the outdoor fan of the air conditioner is running in the forward direction, and the machine has been turned on for heating for a period of time, and the difference between the outer ring temperature and the outer tube temperature is greater than the predetermined temperature difference, it indicates that the outer tube temperature is low. The thick frost on the windward side of the heat exchanger reduces the heat exchange effect of the heat exchanger, thereby reducing the heating effect of the air conditioner. The outdoor fan can be reversed to cause a thin layer of frost to form on the other side of the heat exchanger. When the frost layer on the air conditioner heat exchanger is thin, it can actually improve the heat exchange efficiency.

[0072] In the above-mentioned air conditioning heating control device, when the air conditioner is in heating mode, the outer ring temperature and outer tube temperature of the air conditioner are obtained. If the outer ring temperature of the air conditioner is less than the first temperature threshold, it indicates that the air conditioner outdoor unit is frosted. When the outer fan of the air conditioner rotates forward, the continuous working time of the air conditioner compressor reaches a predetermined time to ensure that the air conditioner outdoor unit has been frosted. The difference between the outer ring temperature and the outer tube temperature is greater than the predetermined temperature difference, indicating that the outer tube temperature is too low, which greatly reduces the heating efficiency of the air conditioner. If these two conditions are met, the reversal condition is met, and the outer fan of the air conditioner is controlled to rotate from forward to reverse. When the rotation is switched to reverse, due to the forward operation of the outdoor fan, frost will form on the windward side of the heat exchanger, but there will be less frost on the leeward side. By reversing the outdoor fan, a thin layer of frost can also form on the other side of the heat exchanger. When the frost layer on the air conditioner heat exchanger is in the thin state, the heat exchange efficiency can be improved. Therefore, there is no need to directly enter the defrost mode after the frost on the windward side of the heat exchanger meets the defrost conditions. The defrost is delayed, the heating time is extended, and the user experience is improved. This solves the problem in the existing technology that the heating capacity and continuous heating time of the air conditioner in cold weather conditions cannot meet the needs of users.

[0073] In order to extend the heating time at low temperatures, in an optional embodiment, the reversal condition includes a first reversal condition and a second reversal condition, and the first control unit includes:

[0074] The first control module is configured to control the outdoor fan to switch from forward rotation to reverse rotation when the outer ring temperature is less than the first temperature threshold, the outer ring temperature is greater than or equal to the second temperature threshold, and the first reverse condition is met, the first reverse condition being that the continuous operation time of the compressor reaches a first predetermined time and the difference between the outer ring temperature and the outer pipe temperature is greater than a predetermined temperature difference when the outdoor fan is in forward rotation.

[0075] The second control module is configured to control the outdoor fan to switch from forward rotation to reverse rotation when the outer ring temperature is less than the second temperature threshold and the second reverse condition is met, the second reverse condition being that the continuous operation time of the compressor reaches a second predetermined time and the difference between the outer ring temperature and the outer pipe temperature is greater than the predetermined temperature difference when the outdoor fan is in forward rotation, the second predetermined time being greater than the first predetermined time.

[0076] In the embodiment, if the outer ring temperature is less than the first temperature threshold and the outer ring temperature is greater than or equal to the second temperature threshold, i.e., T2≤Touter ring

[0077] To further prolong the heating time, in an optional embodiment, the device further comprises:

[0078] The second control unit is configured to control the outdoor fan to switch from reverse rotation to forward rotation when the outdoor fan is in reverse rotation and the outer pipe temperature is less than the second temperature threshold after the outdoor fan of the air conditioner is controlled to switch from forward rotation to reverse rotation.

[0079] In the above embodiment, when the external fan is reversed, a thin layer of frost forms on the leeward side of the external fan rotating forward at the beginning, and the heat exchange effect is improved. The frost layer on the windward side of the external fan rotating forward is slightly melted, and the above-mentioned external tube temperature is less than the second temperature threshold, indicating that the frost on the leeward side of the external fan rotating forward is thicker, which reduces the heat exchange efficiency of the heat exchanger. The above-mentioned external fan can be controlled to convert from reverse rotation to forward rotation, and the frost layer on the windward side of the external fan rotating forward is thinner, which improves the heat exchange efficiency of the heat exchanger, so that heating can continue, further extending the heating time.

[0080] In order to further extend the heating time, in an optional embodiment, the above device further includes:

[0081] The third control unit is used to control the above-mentioned external fan to switch from reverse rotation to forward rotation when the above-mentioned external fan is reversed and the above-mentioned external tube temperature is lower than the second temperature threshold, and then control the above-mentioned external fan to switch from forward rotation to reverse rotation when the above-mentioned external tube temperature is higher than or equal to the above-mentioned second temperature threshold and the continuous working time of the compressor of the above-mentioned air conditioner when the above-mentioned external fan is rotated forward reaches a third predetermined time, and the above-mentioned third predetermined time is lower than the first predetermined time.

[0082] In the above embodiment, after the above-mentioned external fan is controlled to be converted from reverse rotation to forward rotation, if the reversal condition is met, that is, the temperature of the above-mentioned external tube is greater than or equal to the above-mentioned second temperature threshold, and the frost layer of the heat exchanger is not very thick, the continuous working time of the compressor of the above-mentioned air conditioner reaches the third predetermined time when the above-mentioned external fan is forward rotation. The above-mentioned third predetermined time is less than the first predetermined time, and the third predetermined time is ∈[5min,25min]. Compared with the previous forward heating time, it is shorter to prevent the frost layer from being too thick. The external fan of the above-mentioned air conditioner can be controlled to be converted from forward rotation to reverse rotation, and multiple forward and reverse switching can be achieved, thereby increasing the heating time and delaying the time to enter the defrost mode.

[0083] In order to avoid high-frequency switching, in an optional implementation manner, the above-mentioned device further includes:

[0084] The fourth control unit is used to control the above-mentioned external fan to switch from reverse rotation to forward rotation when the above-mentioned external fan is reversed and the above-mentioned external tube temperature is lower than the second temperature threshold value. After that, when the number of reversals reaches a predetermined number, the fourth control unit is used to control the above-mentioned external fan to keep rotating forward until the above-mentioned air conditioner enters the defrost mode. The above-mentioned number of reversals is the number of times the above-mentioned external fan switches from forward rotation to reverse rotation from the end time of the last defrost to the current moment.

[0085] In the above embodiment, the outdoor fan rotates forward and reverse multiple times to more effectively increase the continuous heating time. After that, the outdoor fan no longer reverses to avoid frequent switching until the air conditioner is defrosted, and then a new round of judgment is carried out.

[0086] In order to meet the heating needs of users, in an optional embodiment, the above device further includes:

[0087] a second acquiring unit, configured to control the outdoor fan to maintain forward rotation when the number of reverse rotations reaches a predetermined number, until the air conditioner enters a defrost mode, and to acquire the indoor temperature of the air conditioner when defrosting of the air conditioner is completed;

[0088] The fifth control unit is used to control the air conditioner to enter the heating mode when the indoor temperature is lower than the set temperature.

[0089] In the above embodiment, air conditioner defrosting usually causes the room temperature to drop. After the air conditioner defrosting is completed, it is re-determined whether heating is needed. When the indoor temperature is lower than the set temperature, the air conditioner is controlled to enter the heating mode and continue heating to meet the user's heating needs. The above heating strategy can be repeated to extend the heating time.

[0090] In order to simplify the control strategy, in an optional embodiment, the above-mentioned device further includes:

[0091] The sixth control unit is used to obtain the outer ring temperature and outer tube temperature of the air conditioner when the air conditioner is in heating mode, and control the outer fan to keep rotating forward when the outer ring temperature is greater than or equal to the first temperature threshold.

[0092] In the above embodiment, when the above outer ring temperature is greater than or equal to the above first temperature threshold, it indicates that the ambient temperature is high, the air conditioner outdoor unit will basically not frost, or the thin frost will not significantly affect the heating efficiency, and the above outdoor fan can be controlled to keep rotating forward for heating without reversing.

[0093] The air conditioning heating control device includes a processor and a memory. The first acquisition unit and the first control unit are stored in the memory as program units. The processor executes the program units stored in the memory to implement the corresponding functions. The modules are all located in the same processor; alternatively, the modules can be located in different processors in any combination.

[0094] The processor includes a kernel, which retrieves the corresponding program unit from memory. One or more kernels can be configured, and kernel parameters can be adjusted to address the existing issue of air conditioners failing to meet user requirements for heating capacity and duration in cold weather.

[0095] The memory may include non-permanent memory in a computer-readable medium, random access memory (RAM) and / or non-volatile memory, such as read-only memory (ROM) or flash RAM, and the memory includes at least one memory chip.

[0096] The embodiment of the present application provides a computer readable storage medium, the computer readable storage medium comprises a stored program, wherein the computer readable storage medium controls the device where the computer readable storage medium is located to execute the air conditioning heating control method when the program runs.

[0097] Specifically, the air conditioning heating control method comprises:

[0098] In step S201, the outer ring temperature and the outer pipe temperature of the air conditioner are acquired when the air conditioner is in the heating mode, the outer ring temperature is the ambient temperature of the space where the outdoor unit of the air conditioner is located, and the outer pipe temperature is the temperature of the connecting pipe between the outdoor unit and the indoor unit of the air conditioner.

[0099] Specifically, the air conditioner is in the heating mode, which indicates that the current is in the cold weather condition, and the outer ring temperature and the outer pipe temperature of the air conditioner will affect the heating effect of the air conditioner, and the air conditioning heating strategy can be determined according to the outer ring temperature and the outer pipe temperature to ensure the heating effect.

[0100] In step S202, the outer fan of the air conditioner is controlled to be switched from forward rotation to reverse rotation when the outer ring temperature of the air conditioner is less than a first temperature threshold and a reverse condition is met, and the reverse condition is that the continuous working time length of the compressor of the air conditioner reaches a predetermined time length when the outer fan of the air conditioner is in forward rotation, and the difference between the outer ring temperature and the outer pipe temperature is greater than a predetermined temperature difference.

[0101] Specifically, the outer ring temperature of the air conditioner is less than the first temperature threshold, so that the heat exchanger of the outdoor unit of the air conditioner will frost, the air enters from the heat exchanger side when the outer fan is in forward rotation, and the air is discharged from the front panel, so that the frost layer on the windward side of the heat exchanger is thick, and the frost layer on the leeward side is thin, if the reverse condition is also met, that is, the continuous working time length of the compressor of the air conditioner when the outer fan of the air conditioner is in forward rotation, the air conditioner has been started and heated for a period of time, and the difference between the outer ring temperature and the outer pipe temperature is greater than a predetermined temperature difference, which indicates that the outer pipe temperature is low, the frost layer on the windward side of the heat exchanger is thick, and the heat exchange effect of the heat exchanger is reduced, thereby reducing the heating effect of the air conditioner, and the outer fan can be reversed to make the other side of the heat exchanger also frost thin. When the frost layer on the heat exchanger of the air conditioner is thin, the heat exchange efficiency can be improved.

[0102] The embodiment of the present application provides a processor, the processor is used for running a program, wherein the air conditioning heating control method is executed when the program runs.

[0103] Specifically, the air conditioning heating control method comprises:

[0104] In step S201, the outer ring temperature and the outer pipe temperature of the air conditioner are acquired when the air conditioner is in the heating mode, the outer ring temperature is the ambient temperature of the space where the outdoor unit of the air conditioner is located, and the outer pipe temperature is the temperature of the connecting pipe between the outdoor unit and the indoor unit of the air conditioner.

[0105] Specifically, the air conditioner is in heating mode, indicating that the current weather conditions are cold. The outer ring temperature and outer tube temperature of the air conditioner will affect the heating effect of the air conditioner. The air conditioner heating strategy can be determined based on the outer ring temperature and outer tube temperature to ensure the heating effect.

[0106] Step S202, when the outer ring temperature of the above-mentioned air conditioner is less than the first temperature threshold and the reversal condition is met, the outer fan of the above-mentioned air conditioner is controlled to switch from forward rotation to reverse rotation. The above-mentioned reversal condition is that when the outer fan of the above-mentioned air conditioner rotates forward, the continuous working time of the compressor of the above-mentioned air conditioner reaches a predetermined time and the difference between the above-mentioned outer ring temperature and the above-mentioned outer tube temperature is greater than the predetermined temperature difference.

[0107] Specifically, if the outer ring temperature of the air conditioner is less than the first temperature threshold, it indicates that the heat exchanger of the air conditioner's outdoor unit will frost. When the outdoor fan is running in the forward direction, air enters from the side of the heat exchanger and exits from the front panel, resulting in frost on the windward side of the heat exchanger and less frost on the leeward side. If the reversal condition is also met, that is, the compressor of the air conditioner has been continuously operating for a period of time when the outdoor fan of the air conditioner is running in the forward direction, and the machine has been turned on for heating for a period of time, and the difference between the outer ring temperature and the outer tube temperature is greater than the predetermined temperature difference, it indicates that the outer tube temperature is low. The thick frost on the windward side of the heat exchanger reduces the heat exchange effect of the heat exchanger, thereby reducing the heating effect of the air conditioner. The outdoor fan can be reversed to cause a thin layer of frost to form on the other side of the heat exchanger. When the frost layer on the air conditioner heat exchanger is thin, it can actually improve the heat exchange efficiency.

[0108] An embodiment of the present invention provides an air conditioning system, comprising an air conditioner, a processor, a memory, and a program stored in the memory and executable on the processor. When the processor executes the program, at least the following steps are performed:

[0109] Step S201, when the air conditioner is in heating mode, obtaining the outer ring temperature and outer tube temperature of the air conditioner, wherein the outer ring temperature is the ambient temperature of the space where the outdoor unit of the air conditioner is located, and the outer tube temperature is the temperature of the connecting pipe between the outdoor unit and the indoor unit of the air conditioner;

[0110] Specifically, the air conditioner is in heating mode, indicating that the current weather conditions are cold. The outer ring temperature and outer tube temperature of the air conditioner will affect the heating effect of the air conditioner. The air conditioner heating strategy can be determined based on the outer ring temperature and outer tube temperature to ensure the heating effect.

[0111] Step S202, when the outer ring temperature of the above-mentioned air conditioner is less than the first temperature threshold and the reversal condition is met, the outer fan of the above-mentioned air conditioner is controlled to switch from forward rotation to reverse rotation. The above-mentioned reversal condition is that when the outer fan of the above-mentioned air conditioner rotates forward, the continuous working time of the compressor of the above-mentioned air conditioner reaches a predetermined time and the difference between the above-mentioned outer ring temperature and the above-mentioned outer tube temperature is greater than the predetermined temperature difference.

[0112] Specifically, if the outer ring temperature of the air conditioner is less than the first temperature threshold, it indicates that the heat exchanger of the air conditioner's outdoor unit will frost. When the outdoor fan is running in the forward direction, air enters from the side of the heat exchanger and exits from the front panel, resulting in frost on the windward side of the heat exchanger and less frost on the leeward side. If the reversal condition is also met, that is, the compressor of the air conditioner has been continuously operating for a period of time when the outdoor fan of the air conditioner is running in the forward direction, and the machine has been turned on for heating for a period of time, and the difference between the outer ring temperature and the outer tube temperature is greater than the predetermined temperature difference, it indicates that the outer tube temperature is low. The thick frost on the windward side of the heat exchanger reduces the heat exchange effect of the heat exchanger, thereby reducing the heating effect of the air conditioner. The outdoor fan can be reversed to cause a thin layer of frost to form on the other side of the heat exchanger. When the frost layer on the air conditioner heat exchanger is thin, it can actually improve the heat exchange efficiency.

[0113] The devices in this article can be servers, PCs, PADs, mobile phones, etc.

[0114] The present application also provides a computer program product, which, when executed on a data processing device, is adapted to execute a program for initializing at least the following method steps:

[0115] Step S201, when the air conditioner is in heating mode, obtaining the outer ring temperature and outer tube temperature of the air conditioner, wherein the outer ring temperature is the ambient temperature of the space where the outdoor unit of the air conditioner is located, and the outer tube temperature is the temperature of the connecting pipe between the outdoor unit and the indoor unit of the air conditioner;

[0116] Specifically, the air conditioner is in heating mode, indicating that the current weather conditions are cold. The outer ring temperature and outer tube temperature of the air conditioner will affect the heating effect of the air conditioner. The air conditioner heating strategy can be determined based on the outer ring temperature and outer tube temperature to ensure the heating effect.

[0117] Step S202, when the outer ring temperature of the above-mentioned air conditioner is less than the first temperature threshold and the reversal condition is met, the outer fan of the above-mentioned air conditioner is controlled to switch from forward rotation to reverse rotation. The above-mentioned reversal condition is that when the outer fan of the above-mentioned air conditioner rotates forward, the continuous working time of the compressor of the above-mentioned air conditioner reaches a predetermined time and the difference between the above-mentioned outer ring temperature and the above-mentioned outer tube temperature is greater than the predetermined temperature difference.

[0118] Specifically, the outer ring temperature of the air conditioner is less than the first temperature threshold, which indicates that the heat exchanger of the air conditioner outdoor unit will frost, and the air enters from the heat exchanger side when the outer fan is running, and the air is discharged from the front panel, which causes the frost to form on the windward side of the heat exchanger, and the frost layer on the leeward side is small. If the reverse condition is also met, that is, the continuous working time of the compressor of the air conditioner when the outer fan of the air conditioner is running is a period of time when the air conditioner has been started to heat, and the difference between the outer ring temperature and the outer pipe temperature is greater than the predetermined temperature difference, which indicates that the outer pipe temperature is low, and the frost on the windward side of the heat exchanger is thick, which reduces the heat exchange effect of the heat exchanger, thereby reducing the heating effect of the air conditioner. The reverse rotation of the outer fan can make the heat exchanger form thin frost on the other side. When the frost layer on the heat exchanger of the air conditioner is thin, the heat exchange efficiency is improved.

[0119] Obviously, those skilled in the art should understand that the modules or steps of the present application described above can be realized by general computing devices, which can be concentrated on a single computing device or distributed on a network composed of multiple computing devices, and can be realized by program codes executable by the computing devices, so that they can be stored in storage devices and executed by the computing devices, and in some cases, the steps shown or described can be executed in different order, or they can be manufactured into individual integrated circuit modules, or multiple modules or steps can be manufactured into a single integrated circuit module. Therefore, the present application is not limited to any specific hardware and software combination.

[0120] Those skilled in the art should understand that the embodiments of the present application can be provided as a method, a system, or a computer program product. Therefore, the present application can adopt a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware aspects. Moreover, the present application can adopt the form of a computer program product implemented on one or more computer usable storage media containing computer usable program codes (including but not limited to magnetic disk storage, CD-ROM, optical storage, etc.).

[0121] The present application is described with reference to flowcharts and / or block diagrams according to the methods, devices (systems), and computer program products of the embodiments of the present application. It should be understood that each flow and / or block in the flowcharts and / or block diagrams, and the combination of the flows and / or blocks in the flowcharts and / or block diagrams can be realized by computer program instructions. These computer program instructions can be provided to the processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing devices to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing devices produce a device for implementing the functions specified in the flowcharts and / or block diagrams. Figure 1 The functions specified in one flow or multiple flows and / or blocks Figure 1 The device for implementing the functions specified in one block or multiple blocks.

[0122] These computer program instructions may also be stored in a computer readable memory that can direct a computer or other programmable data processing device to work in a specific manner, so that the instructions stored in the computer readable memory produce an article of manufacture comprising an instruction device, which implements the process Figure 1 a process or multiple processes and / or boxes Figure 1 The function specified in one or more boxes.

[0123] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operational steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing the instructions executed on the computer or other programmable device for implementing the process. Figure 1 a process or multiple processes and / or boxes Figure 1 A step that specifies a function in one or more boxes.

[0124] In a typical configuration, a computing device includes one or more processors (CPUs), input / output interfaces, network interfaces, and memory.

[0125] The memory may include non-permanent memory in a computer-readable medium, random access memory (RAM) and / or non-volatile memory in the form of read-only memory (ROM) or flash RAM. The memory is an example of a computer-readable medium.

[0126] Computer-readable media includes permanent and non-permanent, removable and non-removable media that can be implemented by any method or technology to store information. The information can be computer-readable instructions, data structures, program modules, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technology, compact disc read-only memory (CD-ROM), digital versatile disc (DVD) or other optical storage, magnetic cassettes, magnetic disk storage or other magnetic storage devices, or any other non-transmission media that can be used to store information that can be accessed by a computing device. As defined herein, computer-readable media does not include transitory media such as modulated data signals and carrier waves.

[0127] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0128] It should also be noted that the terms "comprising", "comprises" or any other variations thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0129] From the above description, it can be seen that the above-mentioned embodiments of the present application achieve the following technical effects:

[0130] 1) In the air conditioning heating control method of the present application, when the air conditioner is in the heating mode, the outer ring temperature and the outer pipe temperature of the air conditioner are obtained. If the outer ring temperature of the air conditioner is less than the first temperature threshold, it indicates that the air conditioner outdoor unit will frost. If the continuous working time of the compressor of the air conditioner is equal to the predetermined time when the outdoor fan of the air conditioner is rotating forward, it ensures that the air conditioner outdoor unit has already frosted. If the difference between the outer ring temperature and the outer pipe temperature is greater than the predetermined temperature difference, it indicates that the outer pipe temperature is too low, which greatly reduces the heating efficiency of the air conditioner. If the above two conditions are met, the reverse condition is met, and the outdoor fan of the air conditioner is controlled to switch from forward rotation to reverse rotation. Since the outdoor fan rotates forward, frost will form on the windward surface of the heat exchanger, but there is little frost on the leeward surface. By reversing the outdoor fan, the other side of the heat exchanger can also form thin frost. When the frost layer on the air conditioner heat exchanger is thin frost, the heat exchange efficiency can be improved, so that the air conditioner does not need to enter the defrosting mode directly after the frost on the windward surface of the heat exchanger meets the defrosting condition, the defrosting is delayed, the heating time is prolonged, the user experience is improved, and the problem that the heating capacity and the continuous heating time of the air conditioner in the prior art cannot meet the user's demand in cold weather conditions is solved.

[0131] 2), In the air conditioner heating control device of the application, in the case that the air conditioner is in the heating mode, the outer ring temperature and the outer tube temperature of the air conditioner are obtained, the outer ring temperature of the air conditioner is less than the first temperature threshold, which indicates that the air conditioner will frost, and the continuous working time of the compressor of the air conditioner reaches the predetermined time when the outer fan of the air conditioner is running forward, to ensure that the air conditioner has already frosted, and the difference between the outer ring temperature and the outer tube temperature is greater than the predetermined temperature difference, which indicates that the outer tube temperature is too low, which greatly reduces the heating efficiency of the air conditioner, and the reverse condition is met when the two conditions are met, that is, the outer fan of the air conditioner is controlled to be reversed from forward rotation to reverse rotation. Since the outer fan runs forward, frost will form on the windward side of the heat exchanger, but there is little frost on the leeward side. By reversing the outer fan, the other side of the heat exchanger can also form thin frost. When the frost layer on the air conditioner heat exchanger is thin, the heat exchange efficiency can be improved, so that the air conditioner does not need to enter the defrosting mode directly after the frost on the windward side of the heat exchanger meets the defrosting condition, and the defrosting is delayed, the heating time is prolonged, and the user experience is improved. The problem that the heating capacity and continuous heating time of the air conditioner in the prior art cannot meet the user's demand in cold weather conditions is solved.

[0132] The above only describes the preferred embodiments of the application and is not intended to limit the application. Those skilled in the art can make various changes and modifications to the application. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the application shall be included in the protection scope of the application.

Claims

1. A method for controlling heating of an air conditioner, characterized in that: include: When the air conditioner is in heating mode, obtain the outer ring temperature and outer tube temperature of the air conditioner, where the outer ring temperature is the ambient temperature of the space where the air conditioner's outdoor unit is located, and the outer tube temperature is the temperature of the pipe connecting the outdoor unit and the indoor unit of the air conditioner; When the outer ring temperature of the air conditioner is lower than the first temperature threshold and the reversal condition is met, the outer fan of the air conditioner is controlled to switch from forward rotation to reverse rotation. The reversal condition is that when the outer fan of the air conditioner rotates forward, the continuous working time of the compressor of the air conditioner reaches a predetermined time and the difference between the outer ring temperature and the outer tube temperature is greater than the predetermined temperature difference.

2. The method according to claim 1, characterized in that The reversal condition includes a first reversal condition and a second reversal condition. When the outer ring temperature of the air conditioner is less than the first temperature threshold and the reversal condition is met, the outer fan of the air conditioner is controlled to switch from forward rotation to reverse rotation, including: When the outer ring temperature is less than the first temperature threshold, the outer ring temperature is greater than or equal to the second temperature threshold, and the first reversal condition is satisfied, controlling the outer fan to switch from forward rotation to reverse rotation, wherein the first reversal condition is that the continuous working time of the compressor reaches a first predetermined time when the outer fan rotates forward and the difference between the outer ring temperature and the outer tube temperature is greater than a predetermined temperature difference; When the outer ring temperature is lower than the second temperature threshold and the second reversal condition is met, the external fan is controlled to switch from forward rotation to reverse rotation. The second reversal condition is that when the external fan rotates forward, the continuous working time of the compressor reaches a second predetermined time and the difference between the outer ring temperature and the outer tube temperature is greater than the predetermined temperature difference, and the second predetermined time is greater than the first predetermined time.

3. The method according to claim 1, characterized in that After controlling the external fan of the air conditioner to switch from forward rotation to reverse rotation, the method further includes: When the external fan is reversed and the temperature of the external pipe is lower than a second temperature threshold, the external fan is controlled to switch from reverse rotation to forward rotation.

4. The method according to claim 3, characterized in that When the external fan is reversed and the temperature of the external pipe is less than a second temperature threshold, after controlling the external fan to switch from reverse rotation to forward rotation, the method further includes: When the external pipe temperature is greater than or equal to the second temperature threshold and the continuous working time of the compressor of the air conditioner reaches a third predetermined time when the external fan rotates forward, the external fan of the air conditioner is controlled to switch from forward rotation to reverse rotation, and the third predetermined time is less than the first predetermined time.

5. The method according to claim 3, characterized in that When the external fan is reversed and the temperature of the external pipe is less than a second temperature threshold, after controlling the external fan to switch from reverse rotation to forward rotation, the method further includes: When the number of reversals reaches a predetermined number, the external fan is controlled to keep rotating forward until the air conditioner enters the defrost mode. The number of reversals is the number of times the external fan switches from forward rotation to reverse rotation from the last defrost end time to the current time.

6. The method according to claim 5, characterized in that When the number of reverse rotations reaches a predetermined number, controlling the outdoor fan to keep rotating forward until the air conditioner enters a defrost mode, the method further includes: When the air conditioner is defrosted, obtaining the indoor temperature of the air conditioner; When the indoor temperature is lower than the set temperature, the air conditioner is controlled to enter the heating mode.

7. The method according to any one of claims 1 to 6, characterized in that When the air conditioner is in heating mode, after obtaining the outer ring temperature and the outer tube temperature of the air conditioner, the method further includes: When the outer ring temperature is greater than or equal to the first temperature threshold, the outer fan is controlled to keep rotating forward.

8. A control device for air conditioning heating, characterized in that: include: a first acquiring unit, configured to acquire, when the air conditioner is in a heating mode, an outer ring temperature and an outer tube temperature of the air conditioner, wherein the outer ring temperature is the ambient temperature of a space where the outdoor unit of the air conditioner is located, and the outer tube temperature is the temperature of a pipe connecting the outdoor unit and the indoor unit of the air conditioner; The first control unit is used to control the external fan of the air conditioner to switch from forward rotation to reverse rotation when the external ring temperature of the air conditioner is less than a first temperature threshold and the reversal condition is met. The reversal condition is that when the external fan of the air conditioner rotates forward, the continuous working time of the compressor of the air conditioner reaches a predetermined time and the difference between the external ring temperature and the external tube temperature is greater than a predetermined temperature difference.

9. A computer-readable storage medium, characterized in that The computer-readable storage medium includes a stored program, wherein when the program is executed, the device where the computer-readable storage medium is located is controlled to execute the air-conditioning heating control method according to any one of claims 1 to 7.

10. An air conditioning system, characterized in that: include: An air conditioner, one or more processors, a memory, and one or more programs, wherein the one or more programs are stored in the memory and are configured to be executed by the one or more processors, and the one or more programs include a control method for executing the air conditioning heating according to any one of claims 1 to 7.

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