Air conditioner and defrosting method and device thereof
An air conditioner and load technology, applied in space heating and ventilation, heating methods, refrigeration and liquefaction, etc., can solve the problem that the air conditioner cannot adjust the defrosting capacity, and achieve the effect of small time and low energy consumption
Active Publication Date: 2014-12-10
GREE ELECTRIC APPLIANCES INC
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Problems solved by technology
[0004] The main purpose of the present invention is to provide an air conditioner and its defrosting method and device to solve the problem that the air conditioner cannot adjust the defrosting capacity according to the frosting situation
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[0022] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.
[0023] Firstly, the air conditioner provided by this embodiment will be introduced. The air conditioner includes a defrosting device, and the specific composition of the defrosting device is described in detail below. The defrosting device can detect the frosting situation, and adjust the dehumidification frequency according to the frosting situation, so that the compressor of the air conditioner is at an appropriate frequency value during the dehumidification process. When the value is larger, increase the frequency of the compressor and reduce the defrosting time, which can reduce the impact of defrosting on the heating comfort of the air conditioner; it can also reduce the compressor when t...
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The invention discloses an air conditioner and a defrosting method and device thereof. The defrosting method of the air conditioner includes: detecting the first defrosting load; determining the first defrosting frequency according to the first defrosting load, wherein the defrosting frequency is the initial frequency of the air conditioner operating in the defrosting mode; adopting the first defrosting frequency for defrosting; detecting the second defrosting load after using the first defrosting frequency for defrosting for the first preset time; comparing the second defrosting load and the first defrosting load; determining the second defrosting frequency according to the second defrosting load when the second defrosting load is larger than or equal to the first defrosting load; and adopting the second defrosting frequency for defrosting, wherein the second defrosting frequency is larger than the first defrosting frequency. According to the air conditioner and the defrosting method and device thereof, the defrosting capability effect can be adjusted according to the specific frosting condition, the defrosting requirement is met, and simultaneously low energy consumption and little time are achieved.
Description
technical field [0001] The invention relates to the field of air conditioners, in particular to an air conditioner and its defrosting method and device. Background technique [0002] At present, the air conditioner uses the reverse cycle method to defrost. Although there are multiple defrosting entry conditions, the frequency conversion air conditioner adopts a fixed frequency method during the reverse cycle defrosting process, that is to say, as long as it enters the defrosting mode, no matter the Regardless of the frost situation, the ability to defrost is the same. Therefore, when the amount of frosting is large, the defrosting capacity is not enough, which will increase the defrosting time and affect the indoor comfort; when the amount of frosting is small, the defrosting capacity is too large, and the system needs to guarantee 3 minutes The minimum running time, resulting in a waste of energy. [0003] Aiming at the problem in the related art that the air conditioner ...
Claims
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IPC IPC(8): F25B47/02F24F11/02
Inventor 邵英翟丽华张希
Owner GREE ELECTRIC APPLIANCES INC