Fan control method and fan control device for indoor unit of air conditioner, and indoor unit
A technology for an air conditioner indoor unit and a control method, which is applied to heating and ventilation control systems, space heating and ventilation, and heating methods, etc., can solve the problems of reduced air conditioning performance and comfort, and large fluctuations in fan air volume.
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Embodiment 1
[0034] Embodiment 1. The embodiment of the present invention provides a fan control method for an air conditioner indoor unit, such as figure 1 Shown include:
[0035] S101. Run the preset gear according to the user's instruction, and switch to the preset power supply corresponding to the preset gear;
[0036] S102. After the operation is stable, measure the actual power of the preset power supply;
[0037] S103. Calculate the difference ΔP between the preset power of the preset gear and the actual power, and perform feedback control on the preset power supply according to ΔP to adjust the actual power of the preset power supply;
[0038] S104. Re-update △P according to the preset power of the preset gear and the adjusted actual power;
[0039] S105. Stop performing feedback control on the preset power supply until the updated ΔP is less than or equal to M; wherein, M is a preset maximum power error, and M is greater than or equal to 0.
[0040]An embodiment of the present ...
Embodiment 2
[0041] Embodiment 2. The embodiment of the present invention provides a fan control method for an indoor unit of an air conditioner. The specific implementation method is as follows:
[0042] Scenario 1. An embodiment of the present invention provides a fan control method for an indoor unit of an air conditioner, such as figure 1 Shown include:
[0043] S101. Run the preset gear according to the user's instruction, and switch to the preset power source corresponding to the preset gear.
[0044] S102. After the operation is stable, the actual power of the preset power supply is measured.
[0045] S103. Calculate the difference ΔP between the preset power of the preset gear and the actual power, and perform feedback control on the preset power supply according to ΔP to adjust the actual power of the preset power supply.
[0046] It should be noted that the preset power may be a target power value (English full name: pcont); or may be a rated power.
[0047] S104 , renewing ΔP...
Embodiment 3
[0092] Embodiment 3, the embodiment of the present invention provides a fan control device 10 for an air conditioner indoor unit, such as Figure 7 Shown include:
[0093] Gear unit 1010, used to run preset gears according to user instruction;
[0094] The power supply unit 1020 is used to switch to the corresponding preset power supply according to the preset gear operated by the gear unit 1010;
[0095] The detection unit 1030 is used to measure the actual power of the preset power supply after the power supply unit runs stably;
[0096] It should be noted that due to irregularities in the design or installation process of the indoor unit of the air conditioner, there may be a gap between the actual air volume of the fan running on the indoor unit of the air conditioner and the rated air volume; Types, individual air outlets closed for a long time without use, and dust accumulation on the filter will cause changes in the resistance characteristics of the pipe network, whic...
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