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CN-118405758-B - Water production system and water production method for adjusting mineral content

CN118405758BCN 118405758 BCN118405758 BCN 118405758BCN-118405758-B

Abstract

The invention relates to a water production system and a water production method for adjusting mineral content, wherein the water production system comprises a main pipeline, a first branch pipeline and a second branch pipeline, the main pipeline is sequentially provided with a water inlet end, a first flow control part, a membrane filter element, a second detection position and a water outlet end, the first branch pipeline is sequentially provided with a first water collector and a second flow control part, the first water collector is used for collecting water with a low TDS value, the second branch pipeline is sequentially provided with a second water collector and a third flow control part, the second water collector is used for collecting water with a high TDS value, the main pipeline is further provided with a second switch valve, the first branch pipeline is further provided with a third switch valve, and the second branch pipeline is further provided with a fourth switch valve. The water production system mixes water with water in the main pipeline through water with a low TDS value in the first water collector or water with a high TDS value in the second water collector, and controls flow through the first flow control piece, the second flow control piece and the third flow control piece, so that a user can obtain water with an expected TDS value from the beginning of a cup of water.

Inventors

  • WANG XINGFEI

Assignees

  • 宁波方太厨具有限公司

Dates

Publication Date
20260512
Application Date
20240426

Claims (14)

  1. 1. A water production method for adjusting mineral content is characterized by being applied to a water production system, wherein the water production system comprises a main pipeline (10), a first branch pipeline (20) and a second branch pipeline (30), a water inlet end, a first flow control member (13), a filter assembly (14), a second detection position (16) and a water outlet end are sequentially arranged on the main pipeline (10), the filter assembly (14) comprises a membrane filter element (141), an inlet and an outlet of the first branch pipeline (20) are respectively positioned between the second detection position (16) and the water outlet end, a first water collector (22) and a second flow control member (23) are sequentially arranged on the first branch pipeline (20), the first water collector (22) is used for collecting water with a low TDS value which is filtered by the membrane filter element (141) from the main pipeline (10), an inlet and an outlet of the second branch pipeline (30) are respectively positioned between the outlet of the first branch pipeline (20) and the water outlet end, a second water collector (33) is sequentially arranged on the first branch pipeline (20), a second water collector (32) is sequentially arranged on the second branch pipeline (30), the first branch pipeline (20) is also provided with a third switch valve (21) positioned in front of the first water collector (22), the second branch pipeline (30) is also provided with a fourth switch valve (31) positioned in front of the second water collector (32), the second water collector (32) is used for collecting water with high TDS value after standing in the main pipeline (10), and the water production method comprises the following steps: acquiring a value T0 of TDS of preset water intake; Regulating the first flow control part (13) to the maximum voltage, opening the second switching valve (17), and closing the third switching valve (21) and the fourth switching valve (31); Acquiring in real time a value T2 of TDS at the second detection bit (16); determining whether T2 is equal to T0; If yes, normally taking water; if not, judging whether T2 is larger than T0; If so, adjusting the second flow control element (23) to a first preset voltage for working, wherein the water with low TDS in the first water collector (22) flows into the main pipeline (10) to be mixed with the water with high TDS in the main pipeline (10), and PID control is carried out on the second flow control element (23) according to the relation between T2 and T0, so that the mixed water can be maintained at T0; If not, the third flow control element (33) is adjusted to a second preset voltage for operation, the water with high TDS in the second water collector (32) flows into the main pipeline (10) to be mixed with the water with low TDS in the main pipeline (10), and PID control is carried out on the third flow control element (33) according to the relation between T2 and T0, so that the mixed water can be maintained at T0.
  2. 2. The water production method according to claim 1, wherein a first liquid level detecting member (221) is provided in the first water collector (22), and the water production method further comprises the steps of: Presetting a water collecting condition of a first water collector (22): Acquiring a first liquid level in a first water collector (22) detected by a first liquid level detection part (221) in real time, closing a second switch valve (17) and a fourth switch valve (31) when the first liquid level is lower than a preset highest liquid level and the water taking time is longer than a first preset time period t1, opening a third switch valve (21), starting a first flow control part (13), collecting water by the first water collector (22) until the liquid level is equal to the preset highest liquid level, and/or, The first water collector (22) is internally provided with a first liquid level detection piece (221), the filter assembly (14) comprises a third detection position (143) arranged behind the membrane filter core (141), and the water production method further comprises the steps of: Presetting a water collecting condition of a first water collector (22): Acquiring a first liquid level in a first water collector (22) detected by a first liquid level detection piece (221) in real time, implementing acquisition of a TDS value T3 at a third detection position (143), closing a second switch valve (17) and a fourth switch valve (31) when the first liquid level is lower than a preset highest liquid level and T3 is smaller than or equal to a preset low TDS value T10, opening a third switch valve (21), starting a first flow control piece (13), and collecting water by the first water collector (22) until the first liquid level is equal to the preset highest liquid level.
  3. 3. The water production method according to claim 1, wherein the filter assembly (14) comprises a third detection position (143) arranged behind the membrane filter (141), the water production system further comprises a second water drain pipeline (60), a fifth flow control member (61) is arranged on the second water drain pipeline (60), and the water production method further comprises the steps of: presetting a water collecting condition of a second water collector (32): And (3) acquiring the value T3 of the TDS at the third detection position (143), closing the second switch valve (17) and the third switch valve (21) when the T3 is larger than or equal to a preset high TDS value T20, opening the fourth switch valve (31), starting the first flow control member (13), and collecting water by the second water collector (32) until the T3 is smaller than the preset high TDS value T20.
  4. 4. A water production method according to claim 3, wherein a second liquid level detecting member (321) is provided in the second water collector (32), and in the step of presetting the condition of collecting water in the second water collector (32), the method further comprises the steps of: And acquiring a second liquid level in a second water collector (32) detected by a second liquid level detection part (321) in real time, and starting a fifth flow control part (61) when the second liquid level is higher than a preset highest liquid level, wherein the second water collector (32) is used for collecting water and draining water at the same time until the second liquid level is equal to the preset highest liquid level.
  5. 5. The water production method according to claim 1, wherein the main pipeline (10) is further provided with a first detection position (18), and in the step of if the main pipeline (10) is provided, the second flow control member (23) is adjusted to a first preset voltage, and the PID control is performed on the second flow control member (23), the method further comprises the steps of: Acquiring in real time a value T1 of TDS at a first detection bit (18); determining whether T1 is equal to T0; If yes, normally taking water; If not, PID control is performed on the second flow control member (23).
  6. 6. The water production method according to claim 5, wherein if not, the PID control of the second flow control member (23) further comprises the steps of: When T1 is larger than T0, judging whether the working voltage of the second current control part (23) reaches the upper limit; if yes, the working voltage of the first flow control component (13) is regulated down, and the step of judging whether T1 is equal to T0 or not is executed in a circulating way; If not, the working voltage of the second flow control element (23) is adjusted upwards, and the step of judging whether T1 is equal to T0 or not is executed in a circulating way; when T1 is smaller than T0, judging whether the working voltage of the second current control part (23) reaches the lower limit; if yes, maintaining the lower limit voltage of the second flow control element (23) to work and prompting that the TDS value is lower than T0, or if yes, starting the third flow control element (33) and performing PID control on the third flow control element (33); if not, the working voltage of the second flow control element (23) is regulated down, and the step of judging whether T1 is equal to T0 is executed in a circulating way.
  7. 7. The water production method according to claim 1, wherein the main pipeline (10) is further provided with a first detection position (18), and if not, the step of adjusting the third flow control member (33) to a second preset voltage, and performing PID control on the third flow control member (33) further comprises the steps of: Acquiring in real time a value T1 of TDS at a first detection bit (18); determining whether T1 is equal to T0; If yes, normally taking water; If not, PID control is performed on the third flow control element (33).
  8. 8. The water production method according to claim 7, wherein if not, the PID control of the third flow control member (33) further comprises the steps of: When T1 is smaller than T0, judging whether the working voltage of the third flow control element (33) reaches the upper limit; if yes, the working voltage of the first flow control component (13) is regulated down, and the step of judging whether T1 is equal to T0 or not is executed in a circulating way; If not, the working voltage of the third flow control element (33) is adjusted upwards, and the step of judging whether T1 is equal to T0 or not is executed in a circulating way; when T1 is larger than T0, judging whether the working voltage of the third flow control element (33) reaches the lower limit; If yes, maintaining the lower limit voltage of the third flow control element (33) to work and prompting that the TDS value is lower than T0, or if yes, starting the second flow control element (23) and performing PID control on the second flow control element (23); if not, the operating voltage of the third flow control element (33) is regulated down, and the step of determining whether T1 is equal to T0 is executed in a circulating manner.
  9. 9. The water production method according to claim 1, wherein the water production system further comprises a first drain pipe (50) and a second drain pipe (60), the first drain pipe is provided with a fourth flow control member (51), the second drain pipe (60) is provided with a fifth flow control member (61), and before the adjusting to the water intake mode, the method further comprises the steps of: presetting a condition for draining water of the first water collector (22) and the second water collector (32): And calculating a time period t3 between the last water taking and the current water taking, and starting the fourth flow control piece (51) and the fifth flow control piece (61) to drain water from the first water collector (22) and the second water collector (32) if t3 is greater than or equal to a second preset time length.
  10. 10. The water production method according to claim 1, wherein the first water collector (22) is provided as a water tank, and a first liquid level detecting member (221) is provided in the first water collector (22), and/or, The second water collector (32) is arranged as a water tank, and a second liquid level detection piece (321) is arranged in the second water collector (32).
  11. 11. The water production method according to claim 1, characterized in that a second filter cartridge (15) is further provided on the main pipe (10) between the filter assembly (14) and the second detection site (16); The filter assembly (14) further comprises a filter cavity (142), the membrane filter core (141) is arranged in the filter cavity (142) and divides the filter cavity (142) into a raw water cavity (1421) communicated with the first flow control member (13) and a water purifying cavity (1422) communicated with the water outlet end, and a third detection position (143) is arranged in the water purifying cavity (1422).
  12. 12. The water production method according to claim 1, characterized in that the main pipeline (10) is further provided with a first detection position (18), and the first detection position (18) is located between the outlet of the second branch pipeline (30) and the water outlet end.
  13. 13. The water production method according to claim 1, wherein the water production system further comprises a third branch pipeline (40) arranged behind the membrane filter core (141), and a fifth switch valve (41) is arranged on the third branch pipeline (40); The water production system further comprises a first drainage pipeline (50), wherein an inlet and an outlet of the first drainage pipeline (50) are respectively communicated with the first water collector (22) and the third branch pipeline (40), the outlet of the first drainage pipeline (50) is positioned behind the fifth switch valve (41), a fourth flow control part (51) is arranged on the first drainage pipeline (50), and/or, The water production system further comprises a second drainage pipeline (60), an inlet and an outlet of the second drainage pipeline (60) are respectively communicated with the second water collector (32) and the third branch pipeline (40), the outlet of the second drainage pipeline (60) is positioned behind the fifth switch valve (41), and a fifth flow control piece (61) is arranged on the second drainage pipeline (60).
  14. 14. The water production method according to claim 1, wherein a first switch valve (12) is further arranged on the main pipeline (10), and the first switch valve (12) is located between the water inlet end and the first flow control member (13).

Description

Water production system and water production method for adjusting mineral content Technical Field The invention relates to the technical field of water production systems, in particular to a water production system and a water production method for adjusting mineral content. Background As water purification products are becoming more popular in the home of users, the individual water purification functions have not been able to meet the needs of some users. Some current water purification products generally use nanofiltration products or reverse osmosis products to remove ions in water. The TDS values produced by such products are very low, typically below 100. On the one hand, the water is ensured to be free from harmful substances such as heavy metals and the like. On the other hand, the taste of the purified water is ensured to meet the demands of users. However, both such nanofiltration and reverse osmosis products have problems with ion migration after a period of non-use. Resulting in a very high TDS of the first cup of water when used again, even higher than the TDS of tap water itself, after a period of non-use. At present, some products adopt to drain off some water behind the membrane before taking water each time, which wastes water resources. When the two use time interval is shorter, the TDS of the filtered water is lower, and the condition that the user demand cannot be met possibly affects the water taking experience of the user. Disclosure of Invention In view of the foregoing, it is desirable to provide a water producing system and a water producing method for adjusting the mineral content so that a user can obtain water with the mineral content satisfying the demand each time while ensuring the water quality safety. The invention firstly provides a water production system for adjusting mineral content, which comprises a main pipeline, a first branch pipeline, a first water collector, a second water control part, a second branch pipeline, a second water collector and a third water control part, wherein the main pipeline is sequentially provided with a water inlet end, a first flow control part, a filter assembly, a second detection position and a water outlet end, the filter assembly comprises a membrane filter element, the first branch pipeline is provided with an inlet and an outlet of the first branch pipeline which are positioned between the second detection position and the water outlet end, the first branch pipeline is sequentially provided with the first water collector and the second flow control part, the second branch pipeline is sequentially provided with the inlet and the second water collector, the second branch pipeline is further provided with a third switch valve positioned in front of the first water collector, and the second branch pipeline is further provided with a fourth switch valve positioned in front of the second water collector. In the water production system for adjusting the mineral content, when the TDS value of water in the main pipeline is higher due to longer time interval between last water taking and current water taking, or when the TDS value of water in the main pipeline is lower due to repeated continuous water taking, the water with low TDS value in the first water collector or water with high TDS value in the second water collector can be mixed with water in the main pipeline, and the flow in the main pipeline, the flow discharged from the first water collector and the flow discharged from the second water collector are respectively controlled through the first water control piece, the second water control piece and the third water control piece, so that the purpose of accurately adjusting the TDS value is achieved, a user can receive water with the TDS value meeting the expected requirement from the beginning of first cup water, namely, the mineral content can always meet the user requirement, water with different TDS values can be obtained after the adjustment of the first water control piece, the second water control piece and the third water control piece, different groups can be met, different users, the water groups can be met, the water groups can be prevented from being polluted by different users, the water groups from being polluted by water, the water groups can be avoided, the problem of water quality is avoided, and the problem of water quality is also being polluted, and the problem of water quality is solved, and the problem of heavy metal is avoided, and the problem of water quality is caused by heavy metal ion is caused. In one embodiment, the first water collector is a water tank, and a first liquid level detection member is arranged in the first water collector, and/or the second water collector is a water tank, and a second liquid level detection member is arranged in the second water collector. So set up, first liquid level detection spare and second liquid level detection spare are used for detecting the liquid level in first wate