CN1911821A - Reverse osmosis water purification machine - Google Patents
Reverse osmosis water purification machine Download PDFInfo
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- CN1911821A CN1911821A CN 200610052831 CN200610052831A CN1911821A CN 1911821 A CN1911821 A CN 1911821A CN 200610052831 CN200610052831 CN 200610052831 CN 200610052831 A CN200610052831 A CN 200610052831A CN 1911821 A CN1911821 A CN 1911821A
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Abstract
The reverse osmosis water purifying machine includes water inlet, the first non-return valve, water inlet solenoid valve, primary filter, booster pump, pre-filter combination and reverse osmosis membrane filter connected via pipeline, as well as waste water tank, pressure water tank, normal temperature water tap, etc connected via pipeline with valves.
Description
Technical field
The present invention relates to water-treatment technology field, refer in particular to a kind of reverse osmosis water purification machine.
Background technology
Seriousization along with growth in the living standard and water pollution, hygienic requirements improves people day by day to safety of drinking water, occur on the market various types of clean/water purification machine is in order to satisfy human consumer's safety and sanitation needs, particularly reverse osmosis water purification machine, it more and more is subjected to human consumer's favor.Traditional reverse osmosis water dispenser mainly exists following problem aspect several in the process of its use: the pure water and the condensed water that can the generation ratio after one, source water is handled through the reverse osmosis membrane filtration device be 1: 3, proportion then directly falls as discharge of wastewater up to 3/4ths condensed water, thereby causes serious source water waste; Two, be stored in pressure water storage barrel through the pure water after the purification process, do not drink if fetched water in the long period, then the pure water in the pressure water storage barrel also might be multiplied bacterium, thereby influences the safety and sanitation of pure water; Three, after water purification machine uses for some time, pollutions such as chemistry dirt, organism and colloid pollution, microbial contamination take place in reverse osmosis membrane easily, untimely as not cleaning for a long time or cleaning, then can damage reverse osmosis membrane, thereby influence the work-ing life of reverse osmosis membrane filtration device.At existing problem in the use of conventional reverse osmosis water purification machine, people improve accordingly to it, for example State Intellectual Property Office in April in 1999 Granted publication on the 21st the patent No. be that the utility model patent of ZL97221446.1 promptly discloses a kind of reverse osmosis water purification machine, its by offlet is set, discharge water magnetic valve and the timing register that discharges water realize the pure water that may multiply bacterium that automatic blowdown presssure water butt is stored, to guarantee the safety of drinking water health; And, avoid reverse osmosis membrane to be polluted, to prolong the work-ing life of reverse osmosis membrane filtration device by scouring electromagnetic valve being set and the flushing timing register is realized automatic flushing to the reverse osmosis membrane filtration device.This reverse osmosis water purification machine is not to the condensed water purifying that circulates, but it is discharged to do his usefulness, but the T/A that the T/A that condensed water produces and other aspect waters need is difficult to coincide, under the overwhelming majority's situation, be with condensed water directly discharging, so it does not solve the problem of source water waste as waste water.For another example State Intellectual Property Office in October in 2002 Granted publication on the 9th the patent No. be the utility model patent of ZL01251236.2, its disclosed reverse osmosis water purification machine is the counterflush reverse osmosis membrane regularly, working to prolong reverse osmosis membrane filtration device work-ing life, but this water purification machine does not solve the problem of source water waste yet.
Summary of the invention
Technical problem to be solved by this invention is at above-mentioned deficiency, provide a provenance water use efficiency height, effectively guarantee drinking water safety, and can prolong the reverse osmosis membrane filtration device reverse osmosis water purification machine in work-ing life.
Technical scheme that the present invention adopts is: a kind of reverse osmosis water purification machine, include water-in, described water-in by water inlet pipe and in turn with first check valve, entering water electromagnetic valve, the primary filter device, topping-up pump, preposition filtration unit group, reverse osmosis membrane filtration device pipeline connects, the condensed water water outlet of described reverse osmosis membrane filtration device inserts wastewater barrel by the condensed water rising pipe and after connecting into no pressure electromagnetic valve thereon, the pure water water outlet of described reverse osmosis membrane filtration device is by pure water rising pipe and second check valve in sequential series, first Y-junction, connect into pressure water storage barrel behind the high-voltage switch gear, the other end pipeline of described first Y-junction is connected with the normal-temperature water tap by second Y-junction after connecting the post active carbon filtration unit again, the other end pipeline of described second Y-junction connects low-tension switch, described entering water electromagnetic valve, topping-up pump, no pressure electromagnetic valve, high-voltage switch gear, low-tension switch all is connected with micro-computer controlling apparatus, the technical measures of taking comprise: described water inlet pipe is having access to the 3rd Y-junction between described entering water electromagnetic valve and primary filter device, described condensed water rising pipe is having access to the 4th Y-junction between described reverse osmosis membrane filtration device and described no pressure electromagnetic valve, pipeline is connected described the 3rd Y-junction by circulating pipe with described the 4th Y-junction.
For optimizing technique scheme, the measure of taking also comprises:
In the above-mentioned reverse osmosis water purification machine, have access to the ultraviolet germicidal lamp that is connected with described micro-computer controlling apparatus between described normal-temperature water tap and the post active carbon filtration unit.
In the above-mentioned reverse osmosis water purification machine, have access to the 5th Y-junction between described normal-temperature water tap and the described ultraviolet germicidal lamp, the other end pipeline of described the 5th Y-junction is connected with chilled water device and hot-water apparatus, described chilled water device, hot-water apparatus all are connected with described micro-computer controlling apparatus, and pipeline connection has cold water faucet, hot water tap respectively.
In the above-mentioned reverse osmosis water purification machine, the bottom of described chilled water device is provided with first cooling-water temperature sensor, it is connected with described micro-computer controlling apparatus to control the operation of described chilled water device, the top of described hot-water apparatus is provided with second cooling-water temperature sensor, and it is connected to control the operation of described hot-water apparatus with described micro-computer controlling apparatus.
In the above-mentioned reverse osmosis water purification machine, described chilled water device is provided with first temperature controller, and described hot-water apparatus is provided with second temperature controller.
In the above-mentioned reverse osmosis water purification machine, described hot-water apparatus is provided with pressure valve.
In the above-mentioned reverse osmosis water purification machine, described chilled water device and hot-water apparatus all adopt enclosed construction, are separately installed with first vent valve and second vent valve on it.
In the above-mentioned reverse osmosis water purification machine, have access to the 6th Y-junction on the pipeline between described ultraviolet germicidal lamp and the 5th Y-junction, it is connected with the water shoot that causes described wastewater barrel, has access to the drain solenoid valve that is connected with described micro-computer controlling apparatus on the described water shoot.
In the above-mentioned reverse osmosis water purification machine, described preposition filtration unit group is in series by cellucotton filtration unit, gac filtration device and sintering activity charcoal filtration unit.
Compare with existing common reverse osmose pure-water machine technology, the present invention has access to circulating pipe between its water inlet pipe and condensed water rising pipe, last time condensed water that purification process produces was led back into water pipe, carry out purification process once more, overcome the conventional reverse osmosis water purification machine source water is carried out just direct discharge of condensed water being caused the shortcoming of source water waste behind a purifying, thereby reached the purpose of raising source water use efficiency, saving source water; Be provided with water shoot and drain solenoid valve, after reverse osmosis water purification machine uses for some time, can the opening water discharge magnetic valve and the pure water that may multiply bacterium of pressure water storage barrel, chilled water device and hot-water apparatus inside is disposed to wastewater barrel, thus the safety of drinking water health guaranteed; By micro-computer controlling apparatus the scavenging period of reverse osmosis water purification machine is set, can avoids reverse osmosis membrane to be polluted, prolong the work-ing life of reverse osmosis membrane filtration device regularly to the automatic cleaning of reverse osmosis membrane filtration device.
Description of drawings
Fig. 1 is each assembly decomposition texture schematic diagram of reverse osmosis water purification machine of the present invention.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Shown in Figure 1, with reference to shown in Figure 1, reverse osmosis water purification machine disclosed in this invention includes water-in 12, water-in 12 by water inlet pipe 13 and in turn with first check valve 14, entering water electromagnetic valve 15, primary filter device 16, topping-up pump 17, preposition filtration unit group 18, reverse osmosis membrane filtration device 19 pipelines connect, the condensed water water outlet 190 of reverse osmosis membrane filtration device 19 is by condensed water rising pipe 20 and connect into no pressure electromagnetic valve 21 back access wastewater barrels 22 thereon, the pure water water outlet 192 of reverse osmosis membrane filtration device 19 is by pure water rising pipe 23 and second check valve 24 in sequential series, first Y-junction 25, connect into pressure water storage barrel 27 behind the high-voltage switch gear 26, the other end pipeline of first Y-junction 25 is connected with normal-temperature water tap 30 by second Y-junction 29 after connecting post active carbon filtration unit 28 again, the other end pipeline of second Y-junction 29 connects low-tension switch 31, water inlet pipe 13 is having access to the 3rd Y-junction 32 between entering water electromagnetic valve 15 and primary filter device 16, condensed water rising pipe 20 is having access to the 4th Y-junction 33 between reverse osmosis membrane filtration device 19 and no pressure electromagnetic valve 21, pipeline is connected the 3rd Y-junction 32 by circulating pipe 34 with the 4th Y-junction 33, above-mentioned entering water electromagnetic valve 15, topping-up pump 17, no pressure electromagnetic valve 21, high-voltage switch gear 26, low-tension switch 31 all is connected with micro-computer controlling apparatus 11, to realize the on-off control to above-mentioned parts.
Source water confession bucket 10 imports primary filter device 16 via water-in 12, first check valve 14, entering water electromagnetic valve 15, tentatively remove the impurity of source water through filtering, after topping-up pump 17 superchargings, deliver to preposition filtration unit group 18 again, arrive reverse osmosis membrane filtration device 19 after removing impurity in the water of source and peculiar smell once more, reverse osmosis membrane separation goes out behind bacterium, heavy metal, salinity, mineral substance and other dissolved matters in the water of source and is that condensed water and pure water two portions are sent with source moisture.Pure water via pure water rising pipe 23, second check valve 24, first Y-junction 25, high-voltage switch gear 26 storage go into pressure water storage barrel 27, condensed water is via condensed water rising pipe 20, the 4th Y-junction 33, circulating pipe 34, the 3rd Y-junction 32 and lead back into water pipe 13, carry out purification process once more, thereby overcome that the conventional reverse osmosis water purification machine carries out just condensed water directly being discharged behind purifying to source water and the shortcoming that causes source water waste, it can carry out purification process once more to the condensed water that purifying produces, and the purpose that reaches raising source water use efficiency, saves source water.After the circulation purification process through suitable number of times, open no pressure electromagnetic valve 21 and condensed water is entered in the wastewater barrel 22, can make such as of of watering flowers, washing aspects such as ground.The pure water that is stored in pressure water storage barrel 27 is by high-voltage switch gear 26, first Y-junction 25 and be directed to post active carbon filtration unit 28, the mouthfeel of improving pure water through filtering is after second Y-junction 29 and flow to normal-temperature water tap 30 places, and unlatching can be fetched water and be drunk.In the working process, when making water after for some time, the hydraulic pressure of pipeline rises to predetermined strength, and high-voltage switch gear 26 is closed, and micro-computer controlling apparatus 11 sends signal and closes topping-up pump 17, thereby makes reverse osmosis water purification machine stop to make water; Be reduced to predetermined strength when drink the hydraulic pressure that makes in the pipeline because of water intaking, low-tension switch 31 is opened, and micro-computer controlling apparatus 11 sends signal and opens topping-up pump 17, thereby makes reverse osmosis water purification machine begin to make water.
In order to prolong the work-ing life of reverse osmosis membrane filtration device, can set the parameter of micro-computer controlling apparatus 11 and regularly the reverse osmosis membrane of reverse osmosis membrane filtration device 19 is cleaned automatically, when the parameter that meets automatic cleaning (for example making water 30 minutes), micro-computer controlling apparatus 11 is opened entering water electromagnetic valve 15 simultaneously, topping-up pump 17 and no pressure electromagnetic valve 21, for the source water in the bucket 10 reverse osmosis membrane filtration device 19 is washed, and via condensed water rising pipe 20, no pressure electromagnetic valve 21 enters in the wastewater barrel 22, reaches the purpose of cleaning reverse osmosis membrane by quick a large amount of water inlet draining.
Above-mentioned preposition filtration unit group 18 is in series by cellucotton filtration unit 180, gac filtration device 182 and sintering activity charcoal filtration unit 184; wherein; cellucotton filtration unit 180 is used for filtered source water institute remaining impurities once more, and gac filtration device 182 and sintering activity charcoal filtration unit 184 are configured for the double filtration unit of peculiar smell in the filtered source water.
Secondary pollution for fear of pure water, between normal-temperature water tap 30 and post active carbon filtration unit 28, have access to the ultraviolet germicidal lamp 35 that is connected with micro-computer controlling apparatus 11, with to carrying out sterilization, guarantee safety for the pure water of drinking from pressure water storage barrel 27 effusive pure water.
Usually, reverse osmosis water purification machine also is provided with chilled water device and hot-water apparatus, so that the normal temperature pure water after the purification process is made cold water and hot water, satisfies human consumer's the needs of drinking.Between normal-temperature water tap 30 and ultraviolet germicidal lamp 35, have access to the 5th Y-junction 36, the other end pipeline of the 5th Y-junction 36 is connected with chilled water device 37 and hot-water apparatus 38, chilled water device 37, hot-water apparatus 38 all are connected with micro-computer controlling apparatus 11, and respectively with cold water faucet 39, hot water tap's 40 pipeline connections.Aptly, normal-temperature water tap 30, cold water faucet 39 and hot water tap 40 all electrically connect with micro-computer controlling apparatus 11, to realize the On/Off of the above-mentioned tap of electronic control.
The bottom of chilled water device 37 is provided with first cooling-water temperature sensor 370, it is connected the operation with control chilled water device 37 with micro-computer controlling apparatus 11, when the water temperature that detects chilled water device 37 inside when first cooling-water temperature sensor 370 is lower than default water temperature (for example 4 ℃), transmit signal to micro-computer controlling apparatus 11, make it stop the refrigerating operaton of chilled water device 37, when detecting water temperature and be higher than default water temperature (for example 10 ℃), promptly open the refrigerating operaton of chilled water device 37.This chilled water device 37 can also be provided with first temperature controller 372, when the water temperature in it is reduced to the temperature of being scheduled to (for example-10 ℃), closes its running, thereby guarantees the safe operation of chilled water device 37 under the situation that first cooling-water temperature sensor 370 lost efficacy.The top of hot-water apparatus 38 is provided with second cooling-water temperature sensor 380, it is connected the operation with control hot-water apparatus 38 with micro-computer controlling apparatus 11, when the water temperature that detects hot-water apparatus 38 inside when second cooling-water temperature sensor 380 is higher than default water temperature (for example 93 ℃), transmit signal to micro-computer controlling apparatus 11, make it stop the heating operation of hot-water apparatus 38, when detecting water temperature and be lower than default water temperature (for example 82 ℃), promptly open the heating operation of hot-water apparatus 38.This hot-water apparatus 38 can also be provided with second temperature controller 382, when the water temperature in it rises to the temperature (for example 105 ℃) of being scheduled to, closes its running, thereby guarantees the safe operation of hot-water apparatus 38 under the situation that second cooling-water temperature sensor 380 lost efficacy.In order further to guarantee the safe operation of hot-water apparatus 38, can be provided with pressure valve 384 thereon, when hot-water apparatus 38 made pressure in it excessive because of heating, pressure valve 384 can be opened pressure release automatically and be avoided the generation of security incident.The first above-mentioned cooling-water temperature sensor 370 and second cooling-water temperature sensor 380 can adopt the thermistor preparation.
The chilled water device 37 and the hot-water apparatus 38 of reverse osmosis water purification machine involved in the present invention all adopt enclosed construction, thereby avoid the secondary pollution of tap water, be separately installed with first vent valve 376 and second vent valve 386 on it, when pure water entered, the air in chilled water device 37 and the hot-water apparatus 38 can be discharged via above-mentioned vent valve respectively.
Have access to the 6th Y-junction 41 on the pipeline between ultraviolet germicidal lamp 35 and the 5th Y-junction 36, it is connected with the water shoot 42 that causes wastewater barrel 22, has access to the drain solenoid valve 43 that is connected with micro-computer controlling apparatus 11 on the water shoot 42.After reverse osmosis water purification machine uses for some time, energy opening water discharge magnetic valve 43, and the pure water that may multiply bacterium of pressure water storage barrel 27, chilled water device 37 and hot-water apparatus 38 inside is disposed to wastewater barrel 22, thus guarantee the safety of drinking water health.In the foregoing description,, certainly, also water-in 12 directly can be connected with water supply pipe and, and need not to use water supply barrels 10 for reverse osmosis water purification machine provides source water by supplying water bucket 10 and for reverse osmosis water purification machine provides source water.
The present invention has access to circulating pipe between its water inlet pipe and condensed water rising pipe, last time condensed water that purification process produces was led back into water pipe, carry out purification process once more, overcome the conventional reverse osmosis water purification machine source water is carried out just direct discharge of condensed water being caused the shortcoming of source water waste behind a purifying, thereby reached the purpose of raising source water use efficiency, saving source water; Be provided with water shoot and drain solenoid valve, after reverse osmosis water purification machine uses for some time, can the opening water discharge magnetic valve and the pure water that may multiply bacterium of pressure water storage barrel, chilled water device and hot-water apparatus inside is disposed to wastewater barrel, thus the safety of drinking water health guaranteed; By micro-computer controlling apparatus the scavenging period of reverse osmosis water purification machine is set, can avoids reverse osmosis membrane to be polluted, prolong the work-ing life of reverse osmosis membrane filtration device regularly to the automatic cleaning of reverse osmosis membrane filtration device.
Most preferred embodiment of the present invention is illustrated, and various variations or the remodeling made by those of ordinary skills can not depart from the scope of the present invention.
Claims (10)
1, reverse osmosis water purification machine, it includes water-in (12), described water-in (12) by water inlet pipe (13) and in turn with first check valve (14), entering water electromagnetic valve (15), primary filter device (16), topping-up pump (17), preposition filtration unit group (18), reverse osmosis membrane filtration device (19) pipeline connects, the condensed water water outlet (190) of described reverse osmosis membrane filtration device (19) is by condensed water rising pipe (20) and connect into no pressure electromagnetic valve (21) back access wastewater barrel (22) thereon, the pure water water outlet (192) of described reverse osmosis membrane filtration device (19) is by pure water rising pipe (23) and second check valve in sequential series (24), first Y-junction (25), connect into pressure water storage barrel (27) behind the high-voltage switch gear (26), the other end pipeline of described first Y-junction (25) is connected with normal-temperature water tap (30) by second Y-junction (29) after connecting post active carbon filtration unit (28) again, the other end pipeline of described second Y-junction (29) connects low-tension switch (31), described entering water electromagnetic valve (15), topping-up pump (17), no pressure electromagnetic valve (21), high-voltage switch gear (26), low-tension switch (31) all is connected with micro-computer controlling apparatus (11), it is characterized in that: described water inlet pipe (13) is having access to the 3rd Y-junction between described entering water electromagnetic valve and primary filter device, described condensed water rising pipe (20) has access to the 4th Y-junction (33) being positioned between described reverse osmosis membrane filtration device (19) and the described no pressure electromagnetic valve (21), and pipeline is connected described the 3rd Y-junction (32) by circulating pipe (34) with described the 4th Y-junction (33).
2, reverse osmosis water purification machine according to claim 1 is characterized in that: have access to the ultraviolet germicidal lamp (35) that is connected with described micro-computer controlling apparatus (11) between described normal-temperature water tap (30) and the post active carbon filtration unit (28).
3, reverse osmosis water purification machine according to claim 2, it is characterized in that: have access to the 5th Y-junction (36) between described normal-temperature water tap (30) and the described ultraviolet germicidal lamp (35), the other end pipeline of described the 5th Y-junction (36) is connected with chilled water device (37) and hot-water apparatus (38), described chilled water device, hot-water apparatus (38) all are connected with described micro-computer controlling apparatus (11), and pipeline connection has cold water faucet (39), hot water tap (40) respectively.
4, reverse osmosis water purification machine according to claim 3, it is characterized in that: the bottom of described chilled water device (37) is provided with first cooling-water temperature sensor (370) that is connected with described micro-computer controlling apparatus (11), and the top of described hot-water apparatus (38) is provided with second cooling-water temperature sensor (380) that is connected with described micro-computer controlling apparatus.
5, reverse osmosis water purification machine according to claim 4 is characterized in that: described chilled water device (37) is provided with first temperature controller (372), and described hot-water apparatus (38) is provided with second temperature controller (382).
6, reverse osmosis water purification machine according to claim 5 is characterized in that: described hot-water apparatus (38) is provided with pressure valve (384).
7, according to claim 3 or 4 or 5 or 6 described reverse osmosis water purification machines, it is characterized in that: described chilled water device (37) and hot-water apparatus (38) all adopt enclosed construction, are separately installed with first vent valve (376) and second vent valve (386) on it.
8, according to claim 2 or 3 or 4 or 5 or 6 described reverse osmosis water purification machines, it is characterized in that: have access to the 6th Y-junction (41) on the pipeline between described ultraviolet germicidal lamp (35) and the 5th Y-junction (36), it is connected with the water shoot (42) that causes described wastewater barrel (22), has access to the drain solenoid valve (43) that is connected with described micro-computer controlling apparatus (11) on the described water shoot (42).
9, reverse osmosis water purification machine according to claim 7, it is characterized in that: have access to the 6th Y-junction (41) on the pipeline between described ultraviolet germicidal lamp (35) and the 5th Y-junction (36), it is connected with the water shoot (42) that causes described wastewater barrel (22), has access to the drain solenoid valve (43) that is connected with micro-computer controlling apparatus (11) on the described water shoot.
10, according to claim 2 or 3 or 4 or 5 or 6 described reverse osmosis water purification machines, it is characterized in that: described preposition filtration unit group (18) is in series by cellucotton filtration unit (180), gac filtration device (182) and sintering activity charcoal filtration unit (184); Wherein, cellucotton filtration unit (180) is used for filtered source water institute remaining impurities once more, and gac filtration device (182) and sintering activity charcoal filtration unit (184) are configured for the double filtration unit of peculiar smell in the filtered source water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100528319A CN100509640C (en) | 2006-08-08 | 2006-08-08 | Reverse osmosis water purification machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100528319A CN100509640C (en) | 2006-08-08 | 2006-08-08 | Reverse osmosis water purification machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1911821A true CN1911821A (en) | 2007-02-14 |
| CN100509640C CN100509640C (en) | 2009-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100528319A Expired - Fee Related CN100509640C (en) | 2006-08-08 | 2006-08-08 | Reverse osmosis water purification machine |
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| CN (1) | CN100509640C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105217809A (en) * | 2014-06-03 | 2016-01-06 | 三泰万维思源（青岛）健康科技有限公司 | Water purifying plant |
| CN106724850A (en) * | 2015-11-20 | 2017-05-31 | 富士电机株式会社 | Beverage feeder |
| CN109293021A (en) * | 2017-07-24 | 2019-02-01 | 芜湖美的厨卫电器制造有限公司 | Control method, device and the computer readable storage medium of water purifier |
| CN109298727A (en) * | 2017-07-24 | 2019-02-01 | 芜湖美的厨卫电器制造有限公司 | Control method, device and the computer readable storage medium of water purifier |
| CN109293020A (en) * | 2017-07-24 | 2019-02-01 | 芜湖美的厨卫电器制造有限公司 | Control method, device and the computer readable storage medium of water purifier |
-
2006
- 2006-08-08 CN CNB2006100528319A patent/CN100509640C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105217809A (en) * | 2014-06-03 | 2016-01-06 | 三泰万维思源（青岛）健康科技有限公司 | Water purifying plant |
| CN105217809B (en) * | 2014-06-03 | 2017-11-10 | 三泰万维思源（青岛）健康科技有限公司 | Purifier |
| CN106724850A (en) * | 2015-11-20 | 2017-05-31 | 富士电机株式会社 | Beverage feeder |
| CN109293021A (en) * | 2017-07-24 | 2019-02-01 | 芜湖美的厨卫电器制造有限公司 | Control method, device and the computer readable storage medium of water purifier |
| CN109298727A (en) * | 2017-07-24 | 2019-02-01 | 芜湖美的厨卫电器制造有限公司 | Control method, device and the computer readable storage medium of water purifier |
| CN109293020A (en) * | 2017-07-24 | 2019-02-01 | 芜湖美的厨卫电器制造有限公司 | Control method, device and the computer readable storage medium of water purifier |
| CN109293021B (en) * | 2017-07-24 | 2021-12-03 | 芜湖美的厨卫电器制造有限公司 | Control method and device of water purifier and computer readable storage medium |
| CN109298727B (en) * | 2017-07-24 | 2021-12-03 | 芜湖美的厨卫电器制造有限公司 | Control method and device of water purifier and computer readable storage medium |
| CN109293020B (en) * | 2017-07-24 | 2021-12-03 | 芜湖美的厨卫电器制造有限公司 | Control method and device of water purifier and computer readable storage medium |
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| Publication number | Publication date |
|---|---|
| CN100509640C (en) | 2009-07-08 |
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