Cleaning method and device for indoor heat exchanger of air conditioner
An indoor heat exchanger and heat exchanger technology, applied in the direction of cleaning heat transfer devices, heating methods, space heating and ventilation, etc., can solve the problems that the sterilization function of air-conditioning indoor heat exchangers cannot be realized, and the cleaning effect needs to be improved. Achieve the effect of increasing cost and improving comfort
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Embodiment 1
[0037] figure 1 It is a flow chart of the cleaning method for the heat exchanger in the air-conditioning room in Embodiment 1 of the present invention. Such as figure 1 As shown, the cleaning method of the air-conditioning indoor heat exchanger in Embodiment 1 of the present invention comprises the following steps:
[0038] Step S101, the user sets "cleaning".
[0039] Step S102, when the controller receives the "cleaning" instruction, control the air conditioner to operate in cooling mode, turn off the indoor fan, and control the frequency of the compressor to be the frosting frequency F 结霜 , making frost on the surface of the indoor heat exchanger;
[0040] Step S103, judging whether frosting is completed.
[0041] Preferably, judging whether the frosting is complete is as follows: when the temperature T of the inner tube of the indoor heat exchanger 内管 ≤The second preset temperature T S2 , and maintain the second preset time t under this temperature condition S2 , th...
Embodiment 2
[0052] figure 2 It is a flow chart of the cleaning method for the heat exchanger in the air-conditioning room in the second embodiment of the present invention. Such as figure 2 As shown, the steps of the cleaning method for the heat exchanger in the air-conditioning room in the second embodiment of the present invention are generally the same as those in the first embodiment, except that a condensation step is provided before the frosting step. details as follows:
[0053] Step S201, the user sets "cleaning".
[0054] Step S202, when the controller receives the "cleaning" instruction, control the air conditioner to operate in the cooling mode, and control the indoor fan to operate at the lowest gear, so that water is deposited on the surface of the indoor heat exchanger and frost does not form. In the condensation stage, water will precipitate on the surface of the indoor heat exchanger while no frost will form, so that there will be a certain amount of water hanging bet...
Embodiment 3
[0065] According to the above method embodiment of the present invention, the present invention also provides a cleaning device for a heat exchanger in an air-conditioning room, image 3 It is a structural schematic diagram of a cleaning device for a heat exchanger in an air-conditioning room according to Embodiment 3 of the present invention.
[0066] Such as image 3 As shown, the cleaning device includes a frosting module 31, a defrosting module 32, and a sterilization module 33. The frosting module 31 is used to control the operation of the air conditioner in the cooling mode, turn off the indoor fan, and make the surface of the indoor heat exchanger frost, and judge Whether frosting is completed; the defrosting module 32 is used to control the operation of the air conditioner in heating mode, turn on the indoor fan, convert the frost on the surface of the indoor heat exchanger into water, and judge whether the defrosting is completed; the sterilization module 33 is used t...
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