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CN-119240814-B - Water supply device, cleaning method thereof and computer readable storage medium

CN119240814BCN 119240814 BCN119240814 BCN 119240814BCN-119240814-B

Abstract

The invention relates to water supply equipment, a cleaning method thereof and a computer storage medium, wherein the cleaning method comprises the steps of calculating the residual service life of a composite filter element and the residual service life of a reverse osmosis filter element, sending out core-changing cleaning prompt information according to the fact that the residual service life of the composite filter element is smaller than a first preset service life value and the residual service life of the reverse osmosis filter element is larger than a second preset service life value, changing the composite filter element into a cleaning filter element according to the core-changing cleaning prompt information, and flushing the reverse osmosis filter element.

Inventors

  • HE ZHIMING
  • DU WENXUE

Assignees

  • 佛山市顺德区美的饮水机制造有限公司
  • 美的集团股份有限公司

Dates

Publication Date
20260508
Application Date
20240930

Claims (12)

  1. 1. A method of cleaning a water supply apparatus, the water supply apparatus comprising a composite filter element, a cleaning filter element, and a reverse osmosis filter element, the cleaning method comprising: calculating the residual service life of the composite filter element and the residual service life of the reverse osmosis filter element; sending out a core replacement cleaning prompt message according to the fact that the residual service life of the composite filter core is smaller than a first preset service life value and the residual service life of the reverse osmosis filter core is larger than a second preset service life value; Replacing the composite filter element with the cleaning filter element according to the core replacement cleaning prompt information; Flushing the reverse osmosis filter element; Wherein the first preset life value is greater than or equal to zero and the second preset life value is greater than or equal to zero; The water supply equipment further comprises a second water tank, a water making main path, a waste water branch path and a flushing branch path, wherein the water making main path comprises a water inlet section, a waterway branch path and a water outlet section which are communicated in sequence, the composite filter element comprises a front filter element and a rear filter element, the front filter element, the reverse osmosis filter element and the rear filter element are sequentially arranged on the waterway branch path, a water inlet of the water inlet section is communicated with a water outlet of the second water tank, a water inlet of the waste water branch path is communicated with a waste water outlet of the reverse osmosis filter element, a water inlet of the flushing branch path is communicated with a pure water outlet of the rear filter element through the waterway branch path, and a water outlet of the waste water branch path and a water outlet of the flushing branch path are respectively communicated with the second water tank; in the step of flushing the reverse osmosis filter element, the method comprises the following steps: Controlling the water inlet section, the waterway branch and the wastewater branch to be communicated in sequence; performing a first round of flushing on the reverse osmosis filter element for a first period of time; and sending out a water changing signal of the first second water tank.
  2. 2. The method of cleaning a water supply apparatus according to claim 1, wherein in the step of calculating a remaining service life of the composite filter element, comprising: acquiring the total service life T1 of the composite filter element; accumulating the water making time t1 of the water supply equipment; and calculating the residual service life of the composite filter element according to T1 minus T1.
  3. 3. The method of cleaning a water supply apparatus according to claim 1, wherein in the step of calculating a remaining service life of the reverse osmosis cartridge, comprising: calculating the theoretical total filtered water quantity L1 of the reverse osmosis filter element during the service life; calculating a real-time water making accumulation amount p of the reverse osmosis filter element; According to the real-time water making cumulative amount P being more than or equal to 1 liter, the actual water making cumulative amount P of the reverse osmosis filter element is added up to 1 liter; And calculating the residual service life of the reverse osmosis filter element according to the actual water production cumulative amount P and the theoretical total filtered water amount L1.
  4. 4. A method of cleaning a water supply apparatus according to claim 3, wherein in the step of calculating the remaining service life of the reverse osmosis cartridge from the actual accumulated amount of produced water P and the theoretical total filtered water amount L1, it includes: Calculating the filtered water quantity L2 of the reverse osmosis filter element with the service life of 1% according to the theoretical total filtered water quantity L1/100; Accumulating the percent F of the service life of the reverse osmosis filter element by 1% according to a < L2< P < b < L2; calculating the residual service life of the reverse osmosis filter element according to 100% -F; Wherein a and b are constants, and 0.8< a≤1, 1< b <1.2.
  5. 5. The method of cleaning a water supply apparatus according to claim 4, further comprising: And accumulating 1% according to the service life percentage F of the reverse osmosis filter element, resetting the actual water making accumulated amount P, and returning to the step of executing the calculation of the real-time water making accumulated amount P of the reverse osmosis filter element.
  6. 6. A cleaning method of a water supply apparatus according to claim 3, characterized in that the cleaning method further comprises: calculating the maximum usable time length H of the service life of the reverse osmosis filter element according to (L1/10) x 24; calculating the service time t2 of the reverse osmosis filter element with the service life of 1% according to the maximum available time H/100; Calculating the real-time power-on accumulated time t3 of the reverse osmosis filter element; accumulating the actual power-on accumulated time H2 of the reverse osmosis filter element for 1 hour according to the fact that the real-time water making accumulated amount p is smaller than 1 liter and the real-time power-on accumulated time t3 is larger than or equal to 1 hour; accumulating the percent F of the service life of the reverse osmosis filter element by 1% according to a < t2< H2< b < t 2; calculating the residual service life of the reverse osmosis filter element according to 100% -F; Wherein a and b are constants, and 0.8< a≤1, 1< b <1.2.
  7. 7. A cleaning method of a water supply apparatus according to claim 3, characterized in that the cleaning method further comprises: and accumulating 1% according to the service life percentage F of the reverse osmosis filter element, resetting the actual power-on accumulated time H2, and returning to the step of executing the calculation of the real-time power-on accumulated time t3 of the reverse osmosis filter element.
  8. 8. The method of cleaning a water supply apparatus according to claim 1, further comprising: replacing raw water in the second water tank according to the first water tank water replacement signal; Performing a second round of flushing on the reverse osmosis filter element for a second period of time; the second period of time is greater than the first period of time.
  9. 9. The method of cleaning a water supply apparatus according to claim 8, wherein after the step of the second round of flushing, the method further comprises: sending a water changing signal of the second water tank for the second time; Replacing raw water in the second water tank according to the water replacing signal of the second water tank for the second time; The water inlet section, the waterway branch and the flushing branch are controlled to be communicated in sequence, the waste water branch and the water outlet section are controlled to be disconnected, and the reverse osmosis filter element is flushed for a third round and for a third time period.
  10. 10. The method of cleaning a water supply apparatus according to claim 9, wherein after the step of third-round flushing, the method further comprises: replacing the cleaning filter element with a new composite filter element; the water inlet section, the waterway branch, the flushing branch and the waste water branch are controlled to be communicated in sequence, the water outlet section is controlled to be disconnected, and the composite filter element and the reverse osmosis filter element are flushed for a fourth time period.
  11. 11. The water supply equipment is characterized by comprising a water making main path, a waste water branch path, a flushing branch path, a cleaning filter element, a composite filter element, a reverse osmosis filter element and a control device, wherein the water making main path comprises a water inlet section, a waterway branch path and a water outlet section which are sequentially communicated, the composite filter element comprises a preposed filter element and a postposition filter element, the preposed filter element, the reverse osmosis filter element and the postposition filter element are sequentially arranged on the waterway branch path, the cleaning filter element can replace the composite filter element so as to be arranged on the waterway branch path, a water inlet of the waste water branch path is communicated with a waste water port of the reverse osmosis filter element, and a water inlet of the flushing branch path is communicated with a pure water outlet of the postposition filter element through the waterway branch path; The control device comprises a memory and at least one processor, the memory having stored thereon a computer program executable on the processor, which when executed by the processor, implements a method of cleaning a water supply device as claimed in any one of claims 1 to 10.
  12. 12. A computer-readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements a method for cleaning a water supply device according to any one of claims 1-10.

Description

Water supply device, cleaning method thereof and computer readable storage medium Technical Field The invention relates to the technical field of water purifying equipment, in particular to water supply equipment, a cleaning method thereof and a computer readable storage medium. Background Along with the improvement of the living standard of substances, water supply equipment gradually becomes standard of quality living. Among them, the reverse osmosis water purifier is popular because it can effectively remove various pollutants in tap water. In the existing equipment, the water supply equipment is often limited by the service life of the front-end filter element, and after the service life of the front-end filter element expires, the filter module of the water supply equipment needs to be replaced integrally, but the reverse osmosis filter element still has use value, and the filter module is replaced integrally to cause resource waste. Disclosure of Invention The invention aims to at least solve the problem of resource waste caused by replacing the integral filter module under the condition of having use value of the reverse osmosis filter element. This object is achieved by: The first aspect of the invention provides a cleaning method of water supply equipment, which comprises a composite filter element, a cleaning filter element and a reverse osmosis filter element, wherein the cleaning method comprises the steps of calculating the residual service life of the composite filter element and the residual service life of the reverse osmosis filter element, sending out core replacement cleaning prompt information according to the residual service life of the composite filter element being smaller than a first preset service life value and the residual service life of the reverse osmosis filter element being larger than a second preset service life value, replacing the composite filter element with the cleaning filter element according to the core replacement cleaning prompt information, and flushing the reverse osmosis filter element, wherein the first preset service life value is larger than or equal to zero, and the second preset service life value is larger than or equal to zero. According to the cleaning method of the water supply equipment, when the service life of the composite filter element in the water supply equipment reaches the preset service life (namely, the residual service life of the composite filter element is smaller than the first preset service life value), and the service life of the reverse osmosis filter element does not reach the preset service life (namely, the residual service life of the reverse osmosis filter element is larger than the second preset service life value), the cleaning filter element is used for replacing the composite filter element, the cleaning filter element is used for cleaning raw water impurities attached to the reverse osmosis filter element, the service life of the reverse osmosis filter element is prolonged, the problem that the raw water impurities block the reverse osmosis filter element and the water making speed is low due to long-time use is solved, after the cleaning of the reverse osmosis filter element is completed, the cleaning filter element is replaced by a new composite filter element, the cleaned reverse osmosis filter element is continuously used, the residual service value of the reverse osmosis filter element is fully utilized, resources are saved, and the service cost of the water supply equipment is saved. In addition, the cleaning method of the water supply device according to the present invention may further have the following additional technical features: in some embodiments of the invention, the step of calculating the remaining service life of the composite filter element comprises the steps of obtaining the total service life T1 of the composite filter element, accumulating the water making time T1 of the water supply equipment, and calculating the remaining service life of the composite filter element according to the subtraction of T1 from T1. In some embodiments of the invention, the step of calculating the residual service life of the reverse osmosis filter element comprises calculating a theoretical total filtered water quantity L1 of the reverse osmosis filter element during the service life, calculating a real-time water making accumulated quantity P of the reverse osmosis filter element, accumulating the actual water making accumulated quantity P of the reverse osmosis filter element by 1 liter according to the real-time water making accumulated quantity P being more than or equal to 1 liter, and calculating the residual service life of the reverse osmosis filter element according to the actual water making accumulated quantity P and the theoretical total filtered water quantity L1. In some embodiments of the present invention, in the step of calculating the remaining service life of the reverse osmosis filter element acc