An indoor unit auxiliary heating control method and device, a storage medium and an air conditioner

Abstract

The application provides an indoor unit auxiliary heating control method and device, a storage medium and an air conditioner. The indoor unit auxiliary heating control method comprises the following steps: S1, acquiring the indoor environment temperature T i , the outdoor environment temperature T n , the outlet air temperature T o , the set temperature T set and the indoor side wall temperature T q every t1 time interval when the air conditioner is in heating operation; S2, calculating ΔT1=T set -T i , ΔT i(n) =T i(n) -T i(n‑1) and controlling the auxiliary electric heating of the air conditioner according to T n . The indoor unit auxiliary heating control method controls whether the auxiliary electric heating is started according to the change of the outlet air temperature and the indoor environment temperature; meanwhile, the difference between the indoor environment temperature and the indoor side wall temperature determines the running gear of the auxiliary electric heating, and the running comfort and energy saving are considered.

Description

Technical Field

[0001] This invention relates to the field of air conditioning technology, and more specifically, to a control method, device, storage medium, and air conditioner for auxiliary heating of an indoor unit. Background Technology

[0002] With the development of society, air conditioners, as practical household appliances that can cool and heat, have entered thousands of homes. When an air conditioner is in heating mode, if the outdoor temperature is low, the condenser of the outdoor unit may not be able to exchange heat sufficiently. In this case, the heat exchanger of the indoor unit cannot meet the heating demand, resulting in poor user comfort.

[0003] To address this, existing technologies equip air conditioner indoor units with electric auxiliary heating to compensate for insufficient heat supply from the indoor unit's heat exchanger when necessary, thereby increasing the indoor unit's outlet air temperature and improving comfort. For example, Chinese Patent Application No. 201610008898.6 discloses a control method for auxiliary electric heating in an air conditioner, including: acquiring the indoor ambient temperature, the air conditioner's set operating temperature, and the outdoor ambient temperature; calculating the difference between the indoor ambient temperature and the set operating temperature; and controlling the operating state of the auxiliary electric heating in the air conditioner based on the difference and the outdoor ambient temperature. However, the control logic of the above scheme is relatively simple and does not consider the comfort requirements during actual use. How to balance user comfort and energy efficiency when utilizing electric auxiliary heating is a direction that air conditioner manufacturers need to research and improve.

[0004] In view of this, the present invention is hereby proposed. Summary of the Invention

[0005] The problem solved by this invention is that the existing control methods for electric auxiliary heating have simple control logic, making it difficult to balance user comfort and energy-saving requirements.

[0006] To solve the above problems, the present invention provides a control method for auxiliary heating of an indoor unit, comprising:

[0007] S1. During air conditioning heating operation, the indoor ambient temperature T is obtained every t1 time interval. i Outdoor ambient temperature T n Air outlet temperature T o Set temperature T set Indoor side wall temperature T q ;

[0008] S2, Calculate ΔT1 = T set -T i ΔT i(n) =T i(n) -T i(n-1) And combined with T n T o The auxiliary electric heating in the air conditioner is controlled.

[0009] The indoor unit auxiliary heating control method described in this invention determines the activation of auxiliary electric heating based on the outdoor temperature and the change in air outlet temperature during air conditioning heating operation, thus balancing the comfort and energy-saving effect of the air conditioner.

[0010] Preferably, step S2 includes:

[0011] S21, when the outdoor ambient temperature T n Determine if the outlet air temperature is ≥E. o If A1 is true, proceed to step S22; otherwise, proceed to step S23.

[0012] S22. Determine if ΔT1 ≥ 1. If so, then when ΔT1 ≥ 1 in two consecutive detection cycles... i(n) If ΔT ≤ 0, then auxiliary electric heating is activated; otherwise, then ΔT i(n) ≤0 and ΔT within two consecutive detection cycles i(n) / ΔT i(n-1) If the value is less than 1, then auxiliary electric heating will be activated;

[0013] S23. Determine if the air outlet temperature is T. o If ≤D1, proceed to step S24; otherwise, control the electric auxiliary heating to be in the off mode.

[0014] S24. Determine if ΔT1 ≥ 1. If so, then when ΔT1 ≥ 1 in two consecutive detection cycles... i(n) If ΔT ≤ 0, then auxiliary electric heating is activated; otherwise, when ΔT i(n) >0 and ΔT in two consecutive detection periods i(n) / ΔT i(n-1) If the value is less than 1, then auxiliary electric heating will be activated.

[0015] Preferably, step S2 further includes:

[0016] S25, when the outdoor ambient temperature T n When <E, determine whether the outlet air temperature is T o If the value is ≤A2, then start the auxiliary electric heating; otherwise, proceed to step S26.

[0017] S26. Determine if the air outlet temperature is T. o If ≤D2, return to step S24; otherwise, control the electric auxiliary heating to be in the off mode.

[0018] Preferably, the value range of t1 is 20 to 40 seconds, and the value ranges of E, A1, D1, A2, and D2 are -2 to 2℃, 40 to 45℃, 45 to 50℃, 40 to 45℃, and 45 to 50℃, respectively.

[0019] Preferably, the electric auxiliary heating control method further includes: S3, if the auxiliary electric auxiliary heating is started, the operating level of the auxiliary electric auxiliary heating is determined according to the relationship between ΔT2 and a preset value, wherein ΔT2 = T i -T q .

[0020] Preferably, step S3 includes:

[0021] S31. Determine whether ΔT2≥B. If yes, control the auxiliary electric heating to operate at a high level; otherwise, proceed to step S32.

[0022] S32. Determine whether ΔT2≥C, where C<B. If yes, control the auxiliary electric heater to operate at the medium setting; otherwise, control the auxiliary electric heater to operate at the low setting.

[0023] Preferably, the values ​​of B and C are in the range of 15-20℃ and 10-15℃, respectively.

[0024] Compared with the prior art, the indoor unit auxiliary heating control method of the present invention has the following beneficial effects: 1) When the air conditioner is in heating mode, the start of auxiliary electric heating is determined according to the outdoor temperature and the change of the air outlet temperature, which can take into account both the comfort and energy-saving effect of the air conditioner; 2) The indoor ambient temperature change rate is detected to determine whether the demand is met, and the operating level of electric auxiliary heating is determined according to the difference between the indoor ambient temperature and the indoor side wall temperature, which further reduces power consumption; 3) It requires little modification to existing equipment and is convenient for production and processing.

[0025] This invention also provides a control device for auxiliary heating of an indoor unit, including a monitoring unit and a control unit; the monitoring unit and the control unit are configured to perform corresponding functions to enable the auxiliary heating control device to execute the above-described auxiliary heating control method. This invention also provides a computer-readable storage medium storing a computer program, which, when read and executed by the air conditioner's processor, enables the air conditioner to execute the above-described auxiliary heating control method. This invention also provides an air conditioner, including auxiliary electric heating, a readable storage medium storing a computer program, and a processor, wherein the computer program, when read and executed by the processor, implements the above-described auxiliary heating control method. The control device for auxiliary heating of the indoor unit, the computer-readable storage medium, and the air conditioner have the same beneficial effects as the described auxiliary heating control method, and will not be elaborated upon here. Attached Figure Description

[0026] Figure 1 This is a schematic flowchart of the control method for auxiliary heating of the indoor unit according to an embodiment of the present invention;

[0027] Figure 2 This is another schematic flowchart of the control method for auxiliary heating of the indoor unit according to an embodiment of the present invention. Detailed Implementation

[0028] 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. It should be noted that, without conflict, the technical features in the various embodiments of the present invention can be combined with each other.

[0029] Example 1

[0030] like Figure 1 As shown, a method for controlling auxiliary heating in an indoor unit includes:

[0031] S1. During air conditioning heating operation, the indoor ambient temperature T is obtained every t1 time interval. i Outdoor ambient temperature T n Air outlet temperature T o Set temperature T set Indoor side wall temperature T q ;

[0032] S2, Calculate ΔT1 = T set -T i ΔT i(n) =T i(n) -T i(n-1) And combined with T n T o The auxiliary electric heating in the air conditioner is controlled.

[0033] Preferably, step S2 includes:

[0034] S21, when the outdoor ambient temperature T n Determine if the outlet air temperature is ≥E. o If A1 is true, proceed to step S22; otherwise, proceed to step S23.

[0035] S22. Determine whether ΔT1 ≥ 1℃. If so, then within two consecutive detection cycles, ΔT i(n) If the temperature is ≤0℃, then the auxiliary electric heating will be activated; otherwise, ΔT i(n) ≤0 and ΔT within two consecutive detection cycles i(n) / ΔT i(n-1) If the value is less than 1, then auxiliary electric heating will be activated;

[0036] When ΔT1≥1℃, if ΔT1 in two consecutive detection cycles i(n) If the temperature is ≤0℃, the electric auxiliary heating will be turned on to prevent the indoor temperature from dropping and affecting comfort; if △T is detected... i(n) >0℃ and ΔT was detected for two consecutive cycles i(n) / △T i(n-1) If the temperature is ≥1℃, the electric auxiliary heating will be turned off to save energy; similarly, when ΔT1 < 1℃, if ΔTi(n) >0 and ΔT in two consecutive detection periods i(n) / ΔT i(n-1) If the value is less than 1, the electric auxiliary heating will be turned on to prevent the indoor temperature from dropping and affecting comfort; while if ΔTi(n) / ΔTi(n-1)>1, the electric auxiliary heating will be turned off to achieve energy saving.

[0037] S23. Determine if the air outlet temperature is T. o If ≤D1, proceed to step S24; otherwise, control the electric auxiliary heating to be in the off mode.

[0038] S24. Determine if ΔT1 ≥ 1℃. If so, then within two consecutive detection cycles, ΔT i(n) If the temperature is ≤0℃, then the auxiliary electric heating will be activated; otherwise, when ΔT i(n) >0℃ and ΔT within two consecutive detection cycles i(n) / ΔT i(n-1) If the value is less than 1, then auxiliary electric heating will be activated.

[0039] When ΔT1≥1℃, if ΔT is detected i(n) If the temperature is >0℃, the electric auxiliary heating will remain off to avoid power consumption during auxiliary heating; if ΔT is detected for two consecutive cycles... i(n) If the temperature is ≤0℃, the electric auxiliary heating will be turned on to prevent the indoor temperature from dropping and affecting comfort; when ΔT1 < 1℃, if ΔT is detected... i(n) >0℃ and ΔT was detected i(n) / △T i(n-1) If ≥1, the electric auxiliary heating will remain off; if ΔT is detected for two consecutive cycles... i(n) / △T i(n-1) If the value is less than 1, the electric auxiliary heating will be turned on to prevent the indoor ambient temperature from dropping and affecting comfort.

[0040] As an example of the present invention, the value of t1 ranges from 20 to 40 seconds, and the values ​​of E, A1, and D1 range from -2 to 2°C, 40 to 45°C, and 45 to 50°C, respectively. Preferably, the value of t1 is 30 seconds, and the values ​​of E, A1, and D1 are 0°C, 40°C, and 50°C, respectively.

[0041] Preferably, step S2 further includes:

[0042] S25, when the outdoor ambient temperature T n When <E, determine whether the outlet air temperature is T o If the value is ≤A2, then start the auxiliary electric heating; otherwise, proceed to step S26.

[0043] S26. Determine if the air outlet temperature is T. o If ≤D2, return to step S24; otherwise, control the electric auxiliary heating to be in the off mode.

[0044] When ΔT1≥1℃, if ΔT is detected i(n) >0℃ and ΔT was detected for two consecutive cycles i(n) / △T i(n-1) If ≥1, the auxiliary heating is turned off to prevent the electric auxiliary heating from continuously consuming power; if ΔT is detected for two consecutive cycles... i(n) If the temperature is ≤0℃, the electric auxiliary heating will be turned on to prevent the indoor temperature from dropping and affecting comfort; when ΔT1 < 1℃, if ΔT is detected... i(n) <0℃ and ΔT was detected for two consecutive cycles i(n) / △T i(n-1) If the value is less than 1, the electric auxiliary heater will be turned on to prevent the indoor ambient temperature from dropping; if ΔT is detected for two consecutive cycles... i(n) / △T i(n-1) If the value is greater than 1, the electric auxiliary heating will be turned off to prevent the auxiliary heating from continuously consuming electricity.

[0045] As an example of the present invention, the values ​​of A2 and D2 are respectively 40-45℃ and 45-50℃. Preferably, the values ​​of A2 and D2 are 40℃ and 50℃, respectively.

[0046] Preferably, the electric auxiliary heating control method further includes: S3, if the auxiliary electric auxiliary heating is started, the operating level of the auxiliary electric auxiliary heating is determined according to the relationship between ΔT2 and a preset value, wherein ΔT2 = T i -T q .

[0047] Preferably, step S3 includes:

[0048] S31. Determine whether ΔT2≥B. If yes, control the auxiliary electric heating to operate at a high level; otherwise, proceed to step S32.

[0049] S32. Determine whether ΔT2≥C, where C<B. If yes, control the auxiliary electric heater to operate at the medium setting; otherwise, control the auxiliary electric heater to operate at the low setting.

[0050] Indoor ambient temperature T i Typically affected by outdoor ambient temperature T n Air outlet temperature T o The influence of outdoor ambient temperature T n For indoor ambient temperature T i The effects are transmitted through the building envelope, and the overall response is reflected in the interior wall temperature T. q When the indoor side wall temperature T q With indoor ambient temperature T i A large difference indicates significant convective heat transfer, which will lead to a decrease in indoor ambient temperature T. i The changes are significant; at this time, it depends on the indoor ambient temperature T.i With indoor side wall temperature T q的 The difference in temperature determines the operating level of the electric auxiliary heating, which can avoid drastic fluctuations in indoor ambient temperature and achieve precise control of the electric auxiliary heating to save energy. As an example of the present invention, the values ​​of B and C are 15-20℃ and 10-15℃, respectively. Preferably, the values ​​of B and C are 15℃ and 10℃, respectively.

[0051] The indoor unit auxiliary heating control method described in this invention determines the activation and deactivation of auxiliary heating based on the outdoor temperature, the outlet air temperature, and the rate of change of indoor ambient temperature during air conditioning heating operation, thus rationally controlling the input of auxiliary heating. The auxiliary heating input is determined by considering the outlet air temperature, the difference between the set temperature and the ambient temperature, and the rate of change of indoor ambient temperature, balancing user comfort and energy efficiency. Furthermore, the operating level of the electric auxiliary heating is determined based on the difference between the indoor ambient temperature and the indoor side wall temperature, resulting in even greater energy savings.

[0052] Example 2

[0053] like Figure 2 As shown, a method for controlling auxiliary heating in an indoor unit includes:

[0054] S1. The indoor ambient temperature T is obtained every 30 seconds when the air conditioner is in heating mode. i Outdoor ambient temperature T n Air outlet temperature T o Set temperature T set Indoor side wall temperature T q ;

[0055] S2, Determine if T is true. n If the temperature is ≥0℃, proceed to step S3; otherwise, proceed to step S7.

[0056] S3, Determine if the air outlet temperature is T o If the temperature is ≤42℃, proceed to step S4; otherwise, proceed to step S5.

[0057] S4. Determine if ΔT1 ≥ 1℃. If so, then within two consecutive detection cycles, ΔT i(n) If the temperature is ≤0℃, proceed to step S9; otherwise, proceed to ΔT. i(n) ≤0 and ΔT within two consecutive detection cycles i(n) / ΔT i(n-1) If <1, proceed to step S9;

[0058] When ΔT1≥1℃, if ΔT1 in two consecutive detection cycles i(n) If the temperature is ≤0℃, the electric auxiliary heating will be turned on to prevent the indoor temperature from dropping and affecting comfort; if △T is detected... i(n) >0℃ and ΔT was detected for two consecutive cycles i(n) / △T i(n-1)If the temperature is ≥1℃, the electric auxiliary heating will be turned off to save energy; similarly, when ΔT1 < 1℃, if ΔT i(n) >0 and ΔT in two consecutive detection periods i(n) / ΔT i(n-1) If the value is less than 1, the electric auxiliary heating will be turned on to prevent the indoor temperature from dropping and affecting comfort; while if ΔTi(n) / ΔTi(n-1)>1, the electric auxiliary heating will be turned off to achieve energy saving.

[0059] S5. Determine if the air outlet temperature is T o If the temperature is ≤50℃, proceed to step S24; otherwise, control the electric auxiliary heating to be in the off mode.

[0060] S6. Determine if ΔT1 ≥ 1℃. If so, then within two consecutive detection cycles, ΔT i(n) If ≤0℃, proceed to step S9; otherwise, proceed when ΔT i(n) >0℃ and ΔT within two consecutive detection cycles i(n) / ΔT i(n-1) If <1, proceed to step S9.

[0061] When ΔT1≥1℃, if ΔT is detected i(n) If the temperature is >0℃, the electric auxiliary heating will remain off to avoid power consumption during auxiliary heating; if ΔT is detected for two consecutive cycles... i(n) If the temperature is ≤0℃, the electric auxiliary heating will be turned on to prevent the indoor temperature from dropping and affecting comfort; when ΔT1 < 1℃, if ΔT is detected... i(n) >0℃ and ΔT was detected i(n) / △T i(n-1) If ≥1, the electric auxiliary heating will remain off; if ΔT is detected for two consecutive cycles... i(n) / △T i(n-1) If the value is less than 1, the electric auxiliary heating will be turned on to prevent the indoor ambient temperature from dropping and affecting comfort.

[0062] S7. Determine if the air outlet temperature is T. o If the temperature is ≤41℃, proceed to step S10; otherwise, proceed to step S8.

[0063] When ΔT1≥1℃, if ΔT is detected i(n) >0℃ and ΔT was detected for two consecutive cycles i(n) / △T i(n-1) If ≥1, the auxiliary heating is turned off to prevent the electric auxiliary heating from continuously consuming power; if ΔT is detected for two consecutive cycles... i(n) If the temperature is ≤0℃, the electric auxiliary heating will be turned on to prevent the indoor temperature from dropping and affecting comfort; when ΔT1 < 1℃, if ΔT is detected... i(n) <0℃ and ΔT was detected for two consecutive cycles i(n) / △T i(n-1)If the value is less than 1, the electric auxiliary heater will be turned on to prevent the indoor ambient temperature from dropping; if ΔT is detected for two consecutive cycles... i(n) / △T i(n-1) If the value is greater than 1, the electric auxiliary heating will be turned off to prevent the auxiliary heating from continuously consuming electricity.

[0064] S8. Determine if the air outlet temperature is T. o ≤50℃; if not, control the electric auxiliary heating to shut off; if yes, proceed to step S4.

[0065] S9. Determine if ΔT2 ≥ 15℃. If yes, control the auxiliary electric heater to operate at a high level. If no, proceed to step S32.

[0066] S10. Determine if ΔT2 ≥ 10℃. If yes, control the auxiliary electric heater to operate at medium speed. If no, control the auxiliary electric heater to operate at low speed.

[0067] Indoor ambient temperature T i Typically affected by outdoor ambient temperature T n Air outlet temperature T o The influence of outdoor ambient temperature T n For indoor ambient temperature T i The effects are transmitted through the building envelope, and the overall response is reflected in the interior wall temperature T. q When the indoor side wall temperature T q With indoor ambient temperature T i A large difference indicates significant convective heat transfer, which will lead to a decrease in indoor ambient temperature T. i The changes are significant; at this time, it depends on the indoor ambient temperature T. i With indoor side wall temperature T q的 The difference determines the operating level of the electric auxiliary heating, which can avoid drastic fluctuations in indoor ambient temperature and achieve precise control of the electric auxiliary heating to save electricity.

[0068] The present invention also provides a control device for auxiliary heating of an indoor unit, including a monitoring unit and a control unit; the monitoring unit and the control unit are configured to perform corresponding functions to enable the electric auxiliary heating control device to perform the above-described electric auxiliary heating control method.

[0069] The present invention also provides a computer-readable storage medium storing a computer program that enables the air conditioner to execute the electric auxiliary heating control method when the air conditioner's processor reads and runs the computer program.

[0070] The computer-readable storage medium can be a readable storage medium or a readable signal medium, such as a USB flash drive, portable hard drive, ROM, RAM, magnetic disk, or optical disk. In the embodiments provided in this application, it should be understood that the disclosed apparatus and methods can be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative; for instance, the division of units is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the displayed or discussed mutual coupling or direct coupling or communication connection may be through some interfaces; the indirect coupling or communication connection of devices or units may be electrical, mechanical, or other forms. The air conditioner and computer storage medium have the same beneficial effects as the variable frequency air conditioning control method, which will not be elaborated here.

[0071] The present invention also provides an air conditioner, including an auxiliary electric heater, a readable storage medium storing a computer program, and a processor, wherein the computer program is read and executed by the processor to implement the indoor unit auxiliary heating control method as described above.

[0072] 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 method for controlling auxiliary heating in an indoor unit, characterized in that, include: S1. During air conditioning heating operation, the indoor ambient temperature T is obtained every t1 time interval. i Outdoor ambient temperature T n Air outlet temperature T o Set temperature T set Indoor side wall temperature T q The value of t1 ranges from 20 to 40 seconds. S2, Calculate ΔT1=T set -T i ΔT i(n) =T i(n) -T i(n-1) And combined with T n T o The auxiliary electric heating in the air conditioner is controlled; S3. If the auxiliary electric heater is started, the operating level of the auxiliary electric heater is determined according to the relationship between ΔT2 and the preset value, where ΔT2 = T i -T q ; Step S2 includes: S21, when the outdoor ambient temperature T n Determine whether the outlet air temperature T is ≥E. o If E ≤ A1, proceed to step S22; otherwise, proceed to step S23; the values ​​of E and A1 are in the ranges of -2 to 2℃ and 40 to 45℃, respectively. S22. Determine whether ΔT1 ≥ 1℃. If so, then within two consecutive detection cycles, ΔT i(n) If the temperature is ≤0℃, then the auxiliary electric heating will be activated; otherwise, ΔT i(n) ≤0℃ and ΔT within two consecutive detection cycles i(n) / ΔT i(n-1) If the value is less than 1, then auxiliary electric heating will be activated; S23. Determine if the air outlet temperature is T. o If the value of D1 is ≤D1, and the value of D1 is in the range of 45~50℃, then proceed to step S24; otherwise, control the electric auxiliary heating to be in the off mode. S24. Determine if ΔT1 ≥ 1℃. If so, then within two consecutive detection cycles, ΔT i(n) If the temperature is ≤0℃, then the auxiliary electric heating will be activated; otherwise, when ΔT i(n) >0℃ and ΔT within two consecutive detection cycles i(n) / ΔT i(n-1) If the value is less than 1, then auxiliary electric heating will be activated.

2. The control method for auxiliary heating of the indoor unit according to claim 1, characterized in that, Step S2 further includes: S25, when the outdoor ambient temperature T n When <E, determine whether the outlet air temperature is T o If the value is ≤A2, then start the auxiliary electric heating; otherwise, proceed to step S26. S26. Determine if the air outlet temperature is T. o If ≤D2, return to step S24; otherwise, control the electric auxiliary heating to be in the off mode.

3. The control method for auxiliary heating of the indoor unit according to claim 2, characterized in that, The values ​​of A2 and D2 are respectively 40-45℃ and 45-50℃.

4. The control method for auxiliary heating of the indoor unit according to claim 1, characterized in that, Step S3 includes: S31. Determine whether ΔT2≥B. If yes, control the auxiliary electric heating to operate at a high level; otherwise, proceed to step S32. S32. Determine whether ΔT2≥C, where C<B. If yes, control the auxiliary electric heater to operate at the medium setting; otherwise, control the auxiliary electric heater to operate at the low setting.

5. The control method for auxiliary heating of the indoor unit according to claim 4, characterized in that, The values ​​of B and C are respectively 15-20℃ and 10-15℃.

6. A control device for auxiliary heating in an indoor unit, characterized in that, It includes a monitoring unit and a control unit; the monitoring unit and the control unit are configured to perform corresponding functions to enable the control device to perform the indoor unit auxiliary heating control method according to any one of claims 1-5.

7. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores a computer program that, when read and executed by the air conditioner's processor, enables the air conditioner to perform the indoor unit auxiliary heating control method according to any one of claims 1-5.

8. An air conditioner, characterized in that, The device includes auxiliary electric heating, a readable storage medium storing a computer program, and a processor, wherein the computer program is read and executed by the processor to implement the indoor unit auxiliary heating control method as described in any one of claims 1-5.

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