CN212315745U - Water purifier - Google Patents
Water purifier Download PDFInfo
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- CN212315745U CN212315745U CN202020714272.9U CN202020714272U CN212315745U CN 212315745 U CN212315745 U CN 212315745U CN 202020714272 U CN202020714272 U CN 202020714272U CN 212315745 U CN212315745 U CN 212315745U
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Abstract
The utility model discloses a water purifier, including the inhalant canal, the membrane filter core, the pure water passageway, pure water backward flow route and dense water passageway, be equipped with the booster pump on the inhalant canal, the membrane filter core has the end of intaking, pure water end and dense water end, the end of intaking is connected with the inhalant canal, the pure water passageway is connected in the pure water end, the pure water passageway once is equipped with first check valve and high-voltage switch in the direction of keeping away from the pure water end, the direction that switches on of first check valve is towards high-voltage switch's direction, the one end of pure water backward flow route is connected in the pure water passageway on the position between pure water end and the first check valve, the other end is connected in the position on the inhalant canal at booster pump upper reaches, be equipped with the backward flow control valve on the pure water backward flow route. The utility model discloses technical scheme can solve the higher problem of first cup of water TDS value.
Description
Technical Field
The utility model relates to a water purification unit technical field, in particular to purifier.
Background
Generally, big flux purifier is after closing tap a period, the high concentration water of RO membrane (reverse osmosis membrane) front end can permeate RO membrane rear end, make the TDS (dissolved solids total) value increase of RO membrane rear end filter flask normal water, lead to user's water intaking in-process, the water sample TDS value that first cup was taken out increases, and, big flux purifier often takes up the pipeline machine and uses, and pipeline machine water tank volume is all very little, the user only can get one to two cups basically when the water intaking is drunk, what get usually when the user's water intaking is drunk is the high concentration water of back RO membrane rear end of stewing just, easy scale deposit when making the TDS value too high or boiling water when the user measures, thereby influence user's use and experience.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a water purifier, which aims at solving the problem that the TDS value of the first cup of water is higher.
In order to achieve the above object, the utility model provides a water purifier, include: the water inlet passage is provided with a booster pump; the membrane filter element is provided with a water inlet end, a pure water end and a concentrated water end, and the water inlet end is connected with the water inlet passage; the pure water passage is connected to the pure water end, and a first one-way valve and a high-voltage switch are sequentially arranged on the pure water passage in the direction far away from the pure water end; the conducting direction of the first one-way valve is towards the high-voltage switch; one end of the pure water backflow passage is connected to a position, between the pure water end and the first one-way valve, on the pure water passage, the other end of the pure water backflow passage is connected to a position, on the water inlet passage, on the upstream of the booster pump, and a backflow control valve is arranged on the pure water backflow passage; and a concentrate passage connected to the concentrate end.
In one embodiment, the pure water return passage is further provided with a second check valve, and a conduction direction of the second check valve is a direction from the pure water passage to the water inlet passage.
In one embodiment, the second one-way valve is located between the backflow control valve and the water inlet passage.
In one embodiment, a concentrate control valve is provided on the concentrate passage.
In one embodiment, the concentrated water control valve is provided with a water passing small hole; when the concentrated water control valve is closed, concentrated water flows out from the water passing small hole.
In one embodiment, the membrane cartridge is an RO membrane cartridge.
In one embodiment, the pure water passage is further provided with a post-filter element, and the post-filter element is located at the downstream of the high-voltage switch.
In one embodiment, the water inlet passage is further provided with a water inlet control valve.
In an embodiment, a pre-filter element is further disposed on the water inlet passage, and the pre-filter element is located upstream of the booster pump.
In an embodiment, the water purifier further comprises a domestic water passage, and the domestic water passage is connected to the water inlet passage at a position between the pre-filter element and the pure water return passage.
The technical scheme of the utility model is through adopting to set up the booster pump on the water inlet passage, make the raw water can pass through the membrane filter core more smoothly, improve filtration efficiency, connect the pure water route at the pure water end of membrane filter core, set gradually first check valve and high-pressure switch in the direction that the pure water route keeps away from the pure water end, the direction of turning on of first check valve is the direction towards high-pressure switch, and set up the pure water backward flow route, the one end of pure water backward flow route is connected in the pure water route between pure water end and the first check valve, the other end is connected in the position of booster pump upper reaches on the water inlet route, set up the backward flow control valve on the pure water backward flow route; on the pure water passage, pure water at the pure water end flows out for a user to take after passing through the first one-way valve and the high-voltage switch; on the pure water return flow way, the pure water of pure water end flows back to the position on water inlet way upper reaches of booster pump after through the backward flow control valve, form the mixed water with the raw water mixture on the water inlet way, get into the membrane filter core through the booster pump again, the TDS value that gets into the mixed water of membrane filter core this moment is lower than the TDS value of raw water, make the water TDS value that permeates to the pure water end from the end of intaking also lower, thereby solve the higher problem of first cup of water TDS value, make the TDS value lower when the user measures, be difficult to the scale deposit during boiling water, and then promote user's use and experience.
And, because the one end of pure water return passage is connected in the pure water passageway on the position between pure water end and the first check valve, make at the in-process of pure water return passage circulation, the pure water that has flowed to the pure water passageway can receive the hindrance of first check valve or block when flowing to first check valve department, make the water pressure in this in-process first check valve low reaches remain stable, avoid or reduced this in-process pure water to high voltage switch's impact, thereby avoid high voltage switch consequently and open repeatedly, play protection high voltage switch, the effect of extension high voltage switch life-span, and then prolong the life of whole purifier.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a water path schematic diagram of the water purifier of the utility model.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
400 | Pure |
| 110 | |
410 | |
| 200 | |
420 | |
| 210 | |
500 | Concentrated |
| 220 | |
510 | Concentrated |
| 230 | |
600 | |
| 300 | |
700 | |
| 310 | |
800 | |
| 320 | High-voltage switch |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a water purifier.
In the embodiment of the present invention, as shown in fig. 1, the water purifier includes a water inlet passage 100, a membrane cartridge 200, a pure water passage 300, a pure water return passage 400, and a concentrated water passage 500. The booster pump 110 is arranged on the water inlet passage 100, the membrane filter element 200 is provided with a water inlet end 210, a pure water end 220 and a concentrated water end 230, the water inlet end 210 is connected with the water inlet passage 100, raw water of the water inlet passage 100 enters the membrane filter element 200 from the water inlet end 210, the membrane filter element 200 filters the raw water, pure water generated by filtration is output from the pure water end 220, and concentrated water generated by filtration is output from the concentrated water end 230.
One end of the pure water return passage 400 is connected to the pure water passage 300 at a position between the pure water end 220 and the first check valve 310, and the other end is connected to the water inlet passage 100 at a position upstream of the booster pump 110, and a return flow control valve 410 is provided on the pure water return passage 400, and on the pure water return passage 400, pure water flows from the pure water end 220 to the return flow control valve 410, flows to the water inlet passage 100 at a position upstream of the booster pump 110 through the return flow control valve 410, and is returned. And, the setting of the backflow control valve 410 makes it possible to prevent water on the water inlet passage 100 from directly entering the first check valve 310 along the pure water backflow passage 400 and then being taken by the user by closing the backflow control valve 410 when the user takes water, thereby ensuring the quality of water taken by the user. The concentrate passage 500 is connected to the concentrate end 230, and the concentrate generated by the filtration is discharged along the concentrate passage 500 after being output from the concentrate end 230.
The utility model discloses technical scheme is through adopting to set up booster pump 110 on inhalant canal 100, make the raw water pass through membrane filter element 200 more smoothly, improve filtration efficiency, pure water passageway 300 is connected at membrane filter element 200's pure water end 220, set gradually first check valve 310 and high-pressure switch 320 in pure water passageway 300 keeps away from pure water end 220's direction, the direction of switching on of first check valve 310 is the direction towards high-pressure switch 320, and set up pure water backflow route 400, pure water backflow route 400's one end is connected in pure water passageway 300 on pure water end 220 and the position between first check valve 310, the other end is connected in the position of booster pump 110 upper reaches on inhalant canal 100, set up backward flow control valve 410 on pure water backflow route 400; on the pure water passage 300, pure water at the pure water end 220 flows out for users to take after passing through the first check valve 310 and the high-voltage switch 320; on pure water return flow path 400, the pure water of pure water end 220 flows back to the position on water inlet path 100 on booster pump 110 upper reaches through backward flow control valve 410, form the mixed water with the raw water mixture on water inlet path 100, get into membrane filter core 200 through booster pump 110 again, the TDS value that the TDS value of the mixed water that gets into membrane filter core 200 this moment is lower than the TDS value of raw water, make also lower from the water TDS value that water inlet end 210 permeates to pure water end 220, thereby solve the higher problem of first cup of water TDS value, make the TDS value lower when the user measures, be difficult to the scale deposit during boiling water, and then promote user's use and experience.
And, because the one end of pure water return passage 400 is connected in the pure water passageway 300 between pure water end 220 and first check valve 310, make in the in-process of pure water return passage 400 circulation, the pure water that has flowed to pure water passageway 300 can receive the hindrance or the blockking of first check valve 310 when flowing to first check valve 310 department, make the water pressure in this in-process first check valve 310 low reaches remain stable, avoid or reduced the impact of this in-process pure water to high-voltage switch 320, thereby avoid high-voltage switch 320 to open and stop repeatedly because of this, play the effect of protection high-voltage switch 320, extension high-voltage switch 320 life-span, and then the life of extension whole purifier.
It can be understood that, when the first check valve 310 is a common check valve, the first check valve 310 functions to block the pure water from flowing from the pure water end 220 to the downstream of the first check valve 310 on the pure water passage 300 during the circulation process of the pure water backflow passage 400, in this case, even if a small amount of pure water flows to the downstream of the first check valve 310 through the first check valve 310, the pressure of the small amount of pure water on the high-pressure switch 320 is small, and the high-pressure switch 320 cannot be repeatedly turned on or off; when the first check valve 310 is an electrically operated valve, in the process of circulating through the pure water backflow passage 400, the first check valve 310 plays a role in preventing pure water from flowing from the pure water end 220 to the downstream of the first check valve 310 on the pure water passage 300, in such a case, the pure water can be prevented from flowing to the downstream of the first check valve 310 through the first check valve 310 by closing the first check valve 310, so that impact on the high-voltage switch 320 is avoided, and the high-voltage switch 320 cannot be repeatedly started and stopped.
The backflow control valve 410 may be an electromagnetic valve or an electrically operated valve, and the electromagnetic valve or the electrically operated valve is opened to ensure water inflow during the backflow process, and the electromagnetic valve or the electrically operated valve is closed to prevent a user from taking raw water that is not filtered by the membrane filter 200 when taking pure water.
Specifically, when the user stops using water for a period of time, the pure water passage 300 is in a water cut-off state, and in this state, the raw water at the water inlet end 210 may permeate into the pure water end 220, resulting in a higher TDS value of the water at the pure water end 220, which may result in the user taking water next time and taking water with a higher TDS value. Therefore, after the user stops using water for a period of time, the backflow control valve 410 is opened to allow pure water at the pure water end 220 to flow back to the water inlet passage 100 and to be mixed with raw water in the water inlet passage 100 to form mixed water, and at this time, even if water at the water inlet end 210 permeates into the pure water end 220, the TDS value is low. Further, when the user stops using water for 10min to 30min, the backflow control valve 410 is opened. It can be understood that, the shorter the interval between the time of opening the backflow control valve 410 and the time of stopping water use by the user, the more frequent the backflow control valve 410 and the second check valve 420 are used, the greater the damage to them, and the longer the interval between the time of opening the backflow control valve 410 and the time of stopping water use by the user, the greater the probability of the pure water end 220 being osmotically polluted by the water with higher concentration, so the time interval is set to 10min to 30min in the present application, the two are balanced, the damage to the water purifier is reduced, and the TDS value of the water taken by the user is guaranteed to be lower.
In an embodiment, the pure water return path 400 is further provided with a second check valve 420, the conduction direction of the second check valve 420 is a direction from the pure water path 300 to the water inlet path 100, and the water return direction on the pure water return path 400 is a direction from the pure water path 300 to the water inlet path 100 by the second check valve 420, so as to achieve the purpose of diluting the raw water at the water inlet 210 by the pure water at the pure water end 220 to reduce the TDS value of the mixed water.
In an embodiment, the second check valve 420 is located between the backflow control valve 410 and the water inlet passage 100, and the backflow control valve 410 is a normally closed solenoid valve, so that when the backflow control valve 410 fails, the backflow control valve 410 keeps a closed state, the pure water backflow passage 400 keeps a cut-off state, water cannot enter the second check valve 420, so that the second check valve 420 keeps an idle state and cannot be impacted by water, thereby reducing the damaged degree of the second check valve 420, and prolonging the service life of the whole water purifier.
In an embodiment, the concentrated water passage 500 is provided with the concentrated water control valve 510, the concentrated water discharge process can be manually adjusted by the concentrated water control valve 510, the concentrated water is not required to be discharged from the water purifier at any time, so that the waste of water is reduced, and the high water pressure at the water inlet end 210 of the membrane filter element 200 can be maintained, so that the membrane filter element 200 can rapidly filter raw water entering the water inlet end 210 when a user needs to use water.
In one embodiment, the concentrate control valve 510 is provided with a water through aperture (not shown) through which concentrate flows when the concentrate control valve 510 is closed. When the user does not need to take the drinking water, the concentrated water control valve 510 is closed, at this time, the concentrated water can flow out from the water through hole, the mixed water formed by mixing the pure water flowing back through the pure water backflow passage 400 and the raw water of the water inlet passage 100 extrudes the concentrated water at the concentrated water end 230, so that the concentrated water is discharged from the water through hole, thereby achieving the purpose of discharging the concentrated water and reducing the waste of the water.
In the above embodiment, the membrane cartridge 200 is an RO membrane cartridge 200, which has a good filtering effect, so as to provide drinking water with good water quality for users.
In an embodiment, the pure water passage 300 is further provided with a post-filter 600, the post-filter 600 is located downstream of the high-voltage switch 320, and the post-filter 600 is disposed downstream of the high-voltage switch 320 to further filter water, so that a user can take cleaner water.
In an embodiment, a water inlet control valve (not shown) is further disposed on the water inlet passage 100, and by disposing the water inlet control valve, the on-off state of water flow on the water inlet passage 100 can be controlled better without using an additional component.
In an embodiment, the water inlet passage 100 is further provided with a pre-filter element 700, the pre-filter element 700 is located at the upstream of the booster pump 110, and the pre-filter element 700 is arranged at the upstream of the booster pump 110, so that the raw water in the water inlet passage 100 can be primarily filtered in the pre-filter element 700 before entering the membrane filter element 200 through the booster pump 110 for filtration, thereby protecting the membrane filter element 200 and the high-pressure pump and preventing the membrane filter element 200 or the high-pressure pump from being damaged by large particle impurities in the raw water.
In an embodiment, the water purifier further includes a domestic water passage 800, and the domestic water passage 800 is connected to the water inlet passage 100 at a position between the pre-filter element 700 and the pure water return passage 400. Because the living water does not have high expectations to its filtration degree, connect living water passageway 800 in inhalant canal 100 between leading filter core 700 and the pure water backward flow route 400 position, make living water need not to export through membrane filter core 200 filtration, improve living water output efficiency, make the user can take living water fast, improve the living water convenience, and simultaneously, the quantity of living water is great, to so a large amount and the not high water of filtration degree requirement, do not pass through the filtration direct output of membrane filter core 200, can alleviate the filtration burden of membrane filter core 200, prolong the life of membrane filter core 200.
The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (10)
1. A water purifier, comprising:
the water inlet passage is provided with a booster pump;
the membrane filter element is provided with a water inlet end, a pure water end and a concentrated water end, and the water inlet end is connected with the water inlet passage;
the pure water passage is connected to the pure water end, and a first one-way valve and a high-voltage switch are sequentially arranged on the pure water passage in the direction far away from the pure water end; the conducting direction of the first one-way valve is towards the high-voltage switch;
one end of the pure water backflow passage is connected to a position, between the pure water end and the first one-way valve, on the pure water passage, the other end of the pure water backflow passage is connected to a position, on the water inlet passage, on the upstream of the booster pump, and a backflow control valve is arranged on the pure water backflow passage; and
and the concentrated water passage is connected to the concentrated water end.
2. The water purifier as claimed in claim 1, wherein said purified water return passage is further provided with a second check valve, and a direction of said second check valve is from said purified water passage to said water inlet passage.
3. The water purifier of claim 2, wherein the second one-way valve is positioned between the backflow control valve and the water inlet pathway.
4. The water purifier according to claim 1, wherein a concentrate control valve is provided on said concentrate passage.
5. The water purifier of claim 4, wherein the concentrate control valve is provided with a water outlet aperture; when the concentrated water control valve is closed, concentrated water flows out from the water passing small hole.
6. The water purifier according to any one of claims 1 to 5, wherein the membrane cartridge is an RO membrane cartridge.
7. The water purifier of claim 6, wherein the pure water pathway is further provided with a post-filter element, and the post-filter element is located downstream of the high-voltage switch.
8. The water purifier of claim 6, wherein the water inlet passage is further provided with a water inlet control valve.
9. The water purifier as recited in claim 6, wherein said water inlet passage is further provided with a pre-filter element, said pre-filter element being located upstream of said booster pump.
10. The water purifier of claim 9, further comprising a domestic water path connected to the water inlet path at a location between the pre-filter element and the pure water return path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020714272.9U CN212315745U (en) | 2020-04-30 | 2020-04-30 | Water purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020714272.9U CN212315745U (en) | 2020-04-30 | 2020-04-30 | Water purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212315745U true CN212315745U (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020714272.9U Active CN212315745U (en) | 2020-04-30 | 2020-04-30 | Water purifier |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114262027A (en) * | 2021-12-29 | 2022-04-01 | 佛山市美的清湖净水设备有限公司 | Reverse osmosis wastewater backflow waterway system and water purifier |
| CN114262024A (en) * | 2021-12-29 | 2022-04-01 | 佛山市美的清湖净水设备有限公司 | Water purifier with flowmeter and intelligent water outlet assembly |
| CN114262028A (en) * | 2021-12-29 | 2022-04-01 | 佛山市美的清湖净水设备有限公司 | Water purifier with flowmeter and high-voltage switch |
| CN114262029A (en) * | 2021-12-29 | 2022-04-01 | 佛山市美的清湖净水设备有限公司 | Water purifier with flowmeter |
| CN114275853A (en) * | 2021-12-29 | 2022-04-05 | 佛山市美的清湖净水设备有限公司 | Reverse osmosis wastewater backflow waterway system with intelligent water outlet assembly and water purifier |
| CN114275848A (en) * | 2021-12-29 | 2022-04-05 | 佛山市美的清湖净水设备有限公司 | Waterway system and water purifier |
| CN114275852A (en) * | 2021-12-29 | 2022-04-05 | 佛山市美的清湖净水设备有限公司 | Waterway system |
| CN114275846A (en) * | 2021-12-29 | 2022-04-05 | 佛山市美的清湖净水设备有限公司 | Waterway system with wastewater direct discharge and pure water reflux and water purifier |
| CN114275851A (en) * | 2021-12-29 | 2022-04-05 | 佛山市美的清湖净水设备有限公司 | Waterway system with double return pipelines and water purifier |
| CN114275850A (en) * | 2021-12-29 | 2022-04-05 | 佛山市美的清湖净水设备有限公司 | Waterway system and water purifier |
| CN114394646A (en) * | 2021-12-29 | 2022-04-26 | 佛山市美的清湖净水设备有限公司 | Waterway system and water purifier |
| CN114394644A (en) * | 2021-12-29 | 2022-04-26 | 佛山市美的清湖净水设备有限公司 | Water purifier with double TDS probes |
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2020
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114262027A (en) * | 2021-12-29 | 2022-04-01 | 佛山市美的清湖净水设备有限公司 | Reverse osmosis wastewater backflow waterway system and water purifier |
| CN114262024A (en) * | 2021-12-29 | 2022-04-01 | 佛山市美的清湖净水设备有限公司 | Water purifier with flowmeter and intelligent water outlet assembly |
| CN114262028A (en) * | 2021-12-29 | 2022-04-01 | 佛山市美的清湖净水设备有限公司 | Water purifier with flowmeter and high-voltage switch |
| CN114262029A (en) * | 2021-12-29 | 2022-04-01 | 佛山市美的清湖净水设备有限公司 | Water purifier with flowmeter |
| CN114275853A (en) * | 2021-12-29 | 2022-04-05 | 佛山市美的清湖净水设备有限公司 | Reverse osmosis wastewater backflow waterway system with intelligent water outlet assembly and water purifier |
| CN114275848A (en) * | 2021-12-29 | 2022-04-05 | 佛山市美的清湖净水设备有限公司 | Waterway system and water purifier |
| CN114275852A (en) * | 2021-12-29 | 2022-04-05 | 佛山市美的清湖净水设备有限公司 | Waterway system |
| CN114275846A (en) * | 2021-12-29 | 2022-04-05 | 佛山市美的清湖净水设备有限公司 | Waterway system with wastewater direct discharge and pure water reflux and water purifier |
| CN114275851A (en) * | 2021-12-29 | 2022-04-05 | 佛山市美的清湖净水设备有限公司 | Waterway system with double return pipelines and water purifier |
| CN114275850A (en) * | 2021-12-29 | 2022-04-05 | 佛山市美的清湖净水设备有限公司 | Waterway system and water purifier |
| CN114394646A (en) * | 2021-12-29 | 2022-04-26 | 佛山市美的清湖净水设备有限公司 | Waterway system and water purifier |
| CN114394644A (en) * | 2021-12-29 | 2022-04-26 | 佛山市美的清湖净水设备有限公司 | Water purifier with double TDS probes |
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