CN220723625U - Water purifier with filter membrane function is washd to pure water - Google Patents
Water purifier with filter membrane function is washd to pure water Download PDFInfo
- Publication number
- CN220723625U CN220723625U CN202322286977.1U CN202322286977U CN220723625U CN 220723625 U CN220723625 U CN 220723625U CN 202322286977 U CN202322286977 U CN 202322286977U CN 220723625 U CN220723625 U CN 220723625U
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- China
- Prior art keywords
- water
- pure water
- electromagnetic valve
- reverse osmosis
- filter element
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 200
- 239000012528 membrane Substances 0.000 title claims abstract description 27
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 57
- 238000004140 cleaning Methods 0.000 claims abstract description 14
- 239000008399 tap water Substances 0.000 claims abstract description 8
- 235000020679 tap water Nutrition 0.000 claims abstract description 8
- 239000002351 wastewater Substances 0.000 claims description 16
- 238000011045 prefiltration Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000012535 impurity Substances 0.000 abstract description 5
- 230000003204 osmotic effect Effects 0.000 abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 235000013162 Cocos nucifera Nutrition 0.000 description 1
- 244000060011 Cocos nucifera Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a water purifier with a pure water filter membrane cleaning function, which comprises a reverse osmosis filter element, a booster pump and a pure water tank, wherein a raw water pipeline, a pure water pipeline and a gas supply pipeline are arranged at the front end of the booster pump, the raw water pipeline is connected with tap water, the pure water pipeline is connected with the pure water tank, and the gas supply pipeline is connected with air; the raw water pipeline is provided with a first electromagnetic valve, the air supply pipeline is provided with a second electromagnetic valve, and the pure water pipeline is provided with a third electromagnetic valve. The water purifier with the function of cleaning the filter membrane by pure water ensures the purity of the head cup water, does not produce high-concentration impurity water body by osmotic balance, and prolongs the service life of the reverse osmosis filter element.
Description
Technical Field
The utility model relates to a water purifier with a filter membrane cleaning function by pure water, and belongs to the technical field of water purifier equipment.
Background
The reverse osmosis filter membrane is a core filter membrane for purifying water of the water purifier, and raw water can be filtered through the reverse osmosis filter membrane to obtain pure water.
However, when the water purifier is stopped, the pressure in front of the membrane is reduced, and the phenomenon of osmotic balance can occur between the low-concentration pure water end and the high-concentration raw water end until the concentrations at the two sides are balanced, so that the concentration of the pure water end becomes high, and the first cup of water taken by a user is the head cup of water with higher impurity concentration.
The existing water purifier solves the problem of head cup water in a pure water soaking mode, specifically, after the water purifier stops working, pure water is filled into a reverse osmosis membrane cavity, and the purpose is that both sides of the membrane are pure water.
However, before purified water is filled, the whole inner membrane of the reverse osmosis membrane cavity is fully filled with raw water, and the raw water is directly replaced by the purified water, so that the condition that two concentrations of water are mixed can occur, and the phenomenon of incomplete soaking can be caused.
For the above reasons, further studies on the existing water purifier are necessary in order to solve the above problems.
Disclosure of Invention
In order to overcome the above problems, the present inventors have conducted intensive studies and have proposed a water purifier having a function of washing a filter membrane with pure water, comprising a reverse osmosis cartridge having a water inlet passage, a wastewater passage and a pure water passage, a booster pump having a rear end connected to the water inlet passage of the reverse osmosis cartridge, and a pure water passage connected to the pure water tank, characterized in that,
the front end of the booster pump is provided with a raw water pipeline, a pure water pipeline and an air supply pipeline, wherein the raw water pipeline is connected with tap water, the pure water pipeline is connected with a pure water tank, and the air supply pipeline is connected with air;
the raw water pipeline is provided with a first electromagnetic valve, the air supply pipeline is provided with a second electromagnetic valve, and the pure water pipeline is provided with a third electromagnetic valve, so that after the first electromagnetic valve is opened, the second electromagnetic valve is closed, and the third electromagnetic valve is closed, the booster pump can pump tap water to the reverse osmosis filter element to filter raw water; when the first electromagnetic valve is closed, the second electromagnetic valve is opened, and the third electromagnetic valve is closed, the booster pump can pump air to the reverse osmosis filter core to empty raw water in the cavity of the reverse osmosis filter core; after the first electromagnetic valve is closed, the second electromagnetic valve is closed, and the third electromagnetic valve is opened, the booster pump can pump pure water to the reverse osmosis filter core to fill the cavity of the reverse osmosis filter core.
In a preferred embodiment, a fourth electromagnetic valve is arranged between the reverse osmosis filter element and the pure water tank, and the water in the reverse osmosis filter element cavity is completely discharged from the waste water channel by closing the fourth electromagnetic valve in the process of exhausting raw water in the reverse osmosis filter element cavity.
In a preferred embodiment, an air filter element is arranged in the air supply line.
In a preferred embodiment, an exhaust pipe is provided on the clean water tank, said exhaust pipe being connected to the air filter element.
In a preferred embodiment, one-way valves are provided in the pure water line and in the gas supply line so that the water cannot flow along the line to the air or pure water tank.
In a preferred embodiment, a pre-filter is arranged on the raw water line.
In a preferred embodiment, a temperature sensor is provided on the raw water line.
In a preferred embodiment, a waste-water control valve is provided in the waste-water channel.
In a preferred embodiment, the water purifier further has a tap connected to the pure water tank or to a connection pipe of the pure water channel and the pure water tank.
In a preferred embodiment, a raw water flow meter is provided in the raw water line, and a pure water flow meter is provided in the pure water passage.
The utility model has the beneficial effects that:
(1) The purity of the cup water is ensured, and high-concentration impurity water body produced by osmotic balance cannot occur;
(2) The reverse osmosis filter element is soaked in pure water all the time after working, and crystallization is not easy to occur, so that the service life of the reverse osmosis filter element is prolonged.
Drawings
Fig. 1 is a schematic view showing the structure of a water purifier having a function of washing a filter membrane with pure water according to a preferred embodiment of the present utility model.
Reference numerals illustrate:
1-a reverse osmosis filter element;
2-a booster pump;
3-a pure water tank;
5-an air filter element;
6-a one-way valve;
8-a waste water regulating valve;
9-a tap;
41-a first solenoid valve;
42-a second solenoid valve;
43-a third solenoid valve;
44-a fourth solenoid valve;
71-a pre-filter element;
72-a temperature detector;
73-a raw water flowmeter;
74-pure water flowmeter;
75-TDS sensor.
Detailed Description
The utility model is further described in detail below by means of the figures and examples. The features and advantages of the present utility model will become more apparent from the description.
The word "exemplary" is used herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. Although various aspects of the embodiments are illustrated in the accompanying drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
The water purifier with the function of cleaning the filter membrane by the pure water comprises a reverse osmosis filter element 1, a booster pump 2 and a pure water tank 3, wherein the reverse osmosis filter element 1 is provided with a water inlet channel, a waste water channel and a pure water channel, the rear end of the booster pump 2 is connected with the water inlet channel of the reverse osmosis filter element 1, the pure water channel of the reverse osmosis filter element 1 is connected with the pure water tank 3, as shown in figure 1,
the front end of the booster pump 2 is provided with a raw water pipeline, a pure water pipeline and an air supply pipeline, wherein the raw water pipeline is connected with tap water, the pure water pipeline is connected with the pure water tank 3, and the air supply pipeline is connected with air;
a first electromagnetic valve 41 is arranged on the raw water pipeline, a second electromagnetic valve 42 is arranged on the air supply pipeline, and a third electromagnetic valve 43 is arranged in the pure water pipeline, so that after the first electromagnetic valve 41 is opened, the second electromagnetic valve 42 is closed, and the third electromagnetic valve 43 is closed, the booster pump 2 can pump tap water to the reverse osmosis filter element 1 to filter raw water; after the first electromagnetic valve 41 is closed, the second electromagnetic valve 42 is opened, and the third electromagnetic valve 43 is closed, the booster pump 2 can pump air to the reverse osmosis filter element 1 to empty raw water in the cavity of the reverse osmosis filter element 1; after the first solenoid valve 41 is closed, the second solenoid valve 42 is closed, and the third solenoid valve 43 is opened, the booster pump 2 can pump pure water to the reverse osmosis filter cartridge 1 to fill the cavity of the reverse osmosis filter cartridge 1.
According to the present utility model, in the normal water purifying process, after the first solenoid valve 41 is opened, the second solenoid valve 42 is closed, and the third solenoid valve 43 is closed, the booster pump 2 pumps tap water to the reverse osmosis filter cartridge 1 for raw water filtration, and pure water obtained by filtration is stored in the pure water tank 3.
When the pure water tank 3 is full of water, the reverse osmosis filter element 1 is required to stop raw water filtration, at the moment, after the first electromagnetic valve 41 is closed, the second electromagnetic valve 42 is opened, and the third electromagnetic valve 43 is closed, the booster pump 2 pumps air to the reverse osmosis filter element 1, and raw water in the cavity of the reverse osmosis filter element 1 is emptied;
after the raw water in the cavity of the reverse osmosis filter element 1 is emptied, the first electromagnetic valve 41 is closed, the second electromagnetic valve 42 is closed, the third electromagnetic valve 43 is opened, the booster pump 2 pumps pure water to the reverse osmosis filter element 1 to fill the cavity of the reverse osmosis filter element 1, so that the membranes of the reverse osmosis filter element 1 are pure water front and back, and the immersed pure water impurity concentration is lower compared with the mode of mixing pure water with the raw water before filling, so that the effect of solving the drinking cup water is better.
In a preferred embodiment, a fourth solenoid valve 44 is provided between the reverse osmosis cartridge 1 and the pure water tank 3, and the water in the chamber of the reverse osmosis cartridge 1 is completely discharged from the waste water channel by closing the fourth solenoid valve 44 during the process of evacuating the raw water in the chamber of the reverse osmosis cartridge 1.
According to the present utility model, the pure water tank 3 may employ a large-volume tank for storing the obtained pure water, which is provided by the pure water tank 3 when the pure water is used by a user; the tank body with small volume can be adopted, the stored pure water is only used for filling the reverse osmosis filter core cavity, the pure water used by a user is completely obtained by the real-time filtration of the reverse osmosis filter core, and at the moment, the volume of the pure water tank 3 is required to be ensured to be larger than the volume of the reverse osmosis filter core cavity so as to ensure that the pure water can be filled in the reverse osmosis filter core cavity.
In a preferred embodiment, an air filter 5 is provided in the air supply line for filtering air entering the water purifier to maintain the inside of the water purifier in a clean state.
In a preferred embodiment, an exhaust pipe is provided in the pure water tank 3, said exhaust pipe being connected to the air filter element 5.
In a preferred embodiment, one-way valves 6 are provided in the pure water line and in the gas supply line so that the body of water cannot flow along the line to the air or pure water tank.
In a preferred embodiment, a pre-filter 71 is provided on the raw water line, and large-particle impurities are preliminarily filtered through the pre-filter 71. The pre-filter element is a common filter element of the water purifier, the specific material or model of the pre-filter element is not limited in the utility model, and the pre-filter element can be freely selected by a person skilled in the art according to the needs, for example, an activated carbon filter element, a coconut shell filter element, a PP cotton filter element or a combination of a plurality of filter elements is adopted.
In a preferred embodiment, a waste water control valve 8 is provided in the waste water channel, and the purification effect is controlled by adjusting the pure waste ratio of the reverse osmosis filter cartridge 1 by means of the waste water control valve 8.
In a preferred embodiment, a temperature detector 72 is provided on the raw water line for detecting the temperature of raw water and adjusting the opening degree of the waste water regulating valve according to the temperature, thereby ensuring the quality of pure water.
In a preferred embodiment, a TDS sensor 75 is further provided on the raw water management for detecting the TDS value of the raw water, and the opening degree of the wastewater regulating valve is adjusted according to the TDS value of the raw water, thereby ensuring the quality of pure water.
In a preferred embodiment, the water purifier further has a tap 9 connected to the pure water tank 3 or to a connection pipe of the pure water channel to the pure water tank 3.
In a preferred embodiment, a raw water flow meter 73 is provided on the raw water pipeline, and a pure water flow meter 74 is provided on the pure water channel for monitoring the pure waste ratio of the reverse osmosis filter cartridge 1 and assisting the water purifier in reminding the life of the filter cartridge.
In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "front", "rear", etc. are based on the positional or positional relationship in the operation state of the present utility model, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The utility model has been described above in connection with preferred embodiments, which are, however, exemplary only and for illustrative purposes. On this basis, the utility model can be subjected to various substitutions and improvements, and all fall within the protection scope of the utility model.
Claims (10)
1. The water purifier with the function of cleaning the filter membrane by pure water comprises a reverse osmosis filter element (1), a booster pump (2) and a pure water tank (3), wherein the reverse osmosis filter element (1) is provided with a water inlet channel, a waste water channel and a pure water channel, the rear end of the booster pump (2) is connected with the water inlet channel of the reverse osmosis filter element (1), the pure water channel of the reverse osmosis filter element (1) is connected with the pure water tank (3), and the water purifier is characterized in that,
the front end of the booster pump (2) is provided with a raw water pipeline, a pure water pipeline and an air supply pipeline, wherein the raw water pipeline is connected with tap water, the pure water pipeline is connected with a pure water tank (3), and the air supply pipeline is connected with air;
a first electromagnetic valve (41) is arranged on the raw water pipeline, a second electromagnetic valve (42) is arranged on the air supply pipeline, and a third electromagnetic valve (43) is arranged in the pure water pipeline, so that after the first electromagnetic valve (41) is opened, the second electromagnetic valve (42) is closed, and the third electromagnetic valve (43) is closed, the booster pump (2) can pump tap water to the reverse osmosis filter element (1) for raw water filtration; when the first electromagnetic valve (41) is closed, the second electromagnetic valve (42) is opened, and the third electromagnetic valve (43) is closed, the booster pump (2) can pump air to the reverse osmosis filter element (1) to empty raw water in the cavity of the reverse osmosis filter element (1); after the first electromagnetic valve (41) is closed, the second electromagnetic valve (42) is closed, and the third electromagnetic valve (43) is opened, the booster pump (2) can pump pure water to the reverse osmosis filter element (1) to fill the cavity of the reverse osmosis filter element (1).
2. The water purifier with the function of cleaning a filter membrane with pure water according to claim 1,
a fourth electromagnetic valve (44) is arranged between the reverse osmosis filter element (1) and the pure water tank (3), and in the process of evacuating raw water in the cavity of the reverse osmosis filter element (1), the fourth electromagnetic valve (44) is closed, so that all water in the cavity of the reverse osmosis filter element (1) is discharged from the waste water channel.
3. The water purifier with the function of cleaning a filter membrane with pure water according to claim 1,
an air filter element (5) is arranged on the air supply pipeline.
4. The water purifier having the function of cleaning a filter membrane with pure water as recited in claim 3,
an exhaust pipe is arranged on the pure water tank (3), and the exhaust pipe is connected with the air filter element (5).
5. The water purifier with the function of cleaning a filter membrane with pure water according to claim 1,
the pure water pipeline and the air supply pipeline are provided with one-way valves (6) so that water cannot flow to the air or pure water tank along the pipeline.
6. The water purifier with the function of cleaning a filter membrane with pure water according to claim 1,
a pre-filter element (71) is arranged on the raw water pipeline.
7. The water purifier with the function of cleaning a filter membrane with pure water according to claim 1,
a temperature detector (72) is provided in the raw water line.
8. The water purifier with the function of cleaning a filter membrane with pure water according to claim 1,
a waste water regulating valve (8) is arranged on the waste water channel.
9. The water purifier with the function of cleaning a filter membrane with pure water according to claim 1,
the water purifier is also provided with a water tap (9), and the water tap is connected with the pure water tank (3) or connected with a connecting pipe of the pure water channel and the pure water tank (3).
10. The water purifier with the function of cleaning a filter membrane with pure water according to claim 1,
a raw water flowmeter (73) is provided in the raw water pipeline, and a pure water flowmeter (74) is provided in the pure water channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322286977.1U CN220723625U (en) | 2023-08-24 | 2023-08-24 | Water purifier with filter membrane function is washd to pure water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322286977.1U CN220723625U (en) | 2023-08-24 | 2023-08-24 | Water purifier with filter membrane function is washd to pure water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220723625U true CN220723625U (en) | 2024-04-05 |
Family
ID=90496333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322286977.1U Active CN220723625U (en) | 2023-08-24 | 2023-08-24 | Water purifier with filter membrane function is washd to pure water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220723625U (en) |
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2023
- 2023-08-24 CN CN202322286977.1U patent/CN220723625U/en active Active
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