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Problems solved by technology
[0004] However, in order to purify the water in the washing tub to achieve the purpose of recycling, the filter system of the water purification module uses a filter with a nanometer pore size, so after a period of use, it is inevitable that there will be impurities, macromolecular particles, etc. Adsorbed on the surface of the filter system, if the impurities and macromolecular particles on the filter system cannot be stripped off, the water purification module will fail after a period of time, thus losing the meaning of water purification and even polluting the washing water
[0005] The existing washing machine self-cleaning program can only clean the inner cylinder of the washing machine, but not the water purification module, which will inevitably aggravate the failure of the water purification module. Once the water purification module fails, the user can only replace the filter system of the water purification module , increasing the economic burden
Method used
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Embodiment 1
[0078] Such as figure 1 As shown, the water purification module self-cleaning method of the present embodiment comprises the following steps:
[0092] 14) Judging whether the return water flow rate of the water purification module returns to normal;
[0093] 15) If the judgment result is yes, then end, if the judgment result is no, then return to step 2).
[0094] In step 14) o...
Embodiment 2
[0097] This embodiment provides a specific program flow of the self-cleaning method of the water purification module of the present invention:
[0098]
[0099]
[0100] The heating wash in the self-cleaning process of the water purification module in this embodiment includes heating wash 1, heating wash 2 and heating wash 3, which ensures that the water purification module is cleaned to the greatest extent, and the clean water replacement flushing after the heating wash ensures that the Heat and wash the remaining dirt to the greatest extent. Therefore, the self-cleaning process of this embodiment can be applied to the self-cleaning requirements of most water purification modules.
Embodiment 3
[0102] This embodiment is a washing machine adopting the self-cleaning method of the water purification module of the present invention, including a first lift pump and a second lift pump, and the first lift pump and the second lift pump are respectively connected to the washing tub and the water purification module. The water module includes a filtrationsystem, an air pump, a self-priming pump and a sewage valve, and the air pump, the self-priming pump and the sewage valve are connected to the filtration system respectively; during the membrane flushing step, the first head pump and the sewage valve are opened, and during the standing step , the first lift pump, the second lift pump, the air pump, the self-priming pump and the blowdown valve are all closed, and during the membrane air washing step, the second lift pump, the air pump and the blowdown valve are opened.
[0103] A flow sensor is arranged on the pipeline between the filter system and the self-priming pump describ...
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Abstract
The invention provides a self-cleaning method for a water purification module and a washing machine using the method. The self-cleaning method for the water purification module comprises the following steps of starting a self-cleaning program of the water purification module, feeding water into the washing machine to a set level position, successively and repeatedly performing a heating-rinsing program and a clean water replacement and rinsing program, and stopping the heating-rinsing program and the clean water replacement and rinsing program until the water purification module is detected to be thoroughly cleaned, wherein the heating-rinsing procedure comprises the steps of: heating washing water, performing film rinsing, performing standing and performing film gas washing. Through the adoption of the self-cleaning method for the water purification module disclosed by the invention, impurities, macromolecular particles and the like on the surface of a filtrationsystem of the water purification module can be stripped in time, the water purification effect of the water purification module is guaranteed, the service life of the water purification module is effectively prolonged, and the experience of users is greatly improved.
Description
technical field [0001] The invention relates to the technical field of washing machines, in particular to a water purification module self-cleaning method and a washing machine using the method. Background technique [0002] Along with the raising of people's living standard, washing machine has gradually become one of necessary household appliances in people's family, and most people regard washing machine as the main tool of washing clothes. With the deterioration of the environment and the pollution of water bodies, clean water resources have gradually become a scarce resource. How to save water and electricity while washing clothes has always been one of the focuses of consumers. [0003] The water purification washing machine was developed under the above-mentioned requirements. The working principle of the water purification washing machine is to install a water purification module inside the washing machine. During the rinsing process, the washing water is passed into...
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