CN212532586U - Water purifier filter element and water purifier - Google Patents
Water purifier filter element and water purifier Download PDFInfo
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- CN212532586U CN212532586U CN202021679830.9U CN202021679830U CN212532586U CN 212532586 U CN212532586 U CN 212532586U CN 202021679830 U CN202021679830 U CN 202021679830U CN 212532586 U CN212532586 U CN 212532586U
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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Abstract
The utility model discloses a filter element of a water purifier, which comprises a shell and a filter body, wherein the shell is provided with a first water flow interface and a second water flow interface; the filter body is accommodated in the shell and comprises an exchange membrane and a central tube, the exchange membrane is arranged on the outer side of the central tube in a winding mode, a first cavity is formed by the inner wall of the shell and part of the exchange membrane, the second water flow interface is connected with the first cavity, and the first water flow interface is connected with a second cavity formed by the central tube; the filter body further comprises a physical interception layer, and the physical interception layer is arranged on the inner side or the outer side of the exchange membrane and is used for filtering impurities in water flow.
Description
Technical Field
The utility model relates to a water purification technical field especially relates to a water purifier filter core and water purifier.
Background
Water is a source of life, and the problem of healthy drinking water is more and more emphasized along with the improvement of living standard of people. A water purifier/water filter is an important water purifying apparatus that has been developed in recent years to be widely used.
The filter element structure of the existing water purifier is mostly the superposition of flat-plate single-effect filter element membranes or the superposition of flat-plate multi-effect filter element membranes, but the flat-plate filter element structure has larger size, particularly realizes the filtration of large area, and the process is more complex.
SUMMERY OF THE UTILITY MODEL
The utility model provides a water purifier filter core and water purifier becomes formula of book filter core with filter core structure from flat, not only can improve the area of interior exchange membrane of unit volume, but also can filter core structure's simplified production technology.
According to the utility model discloses an aspect, the utility model provides a water purifier filter core, include:
the shell is provided with a first water flow interface and a second water flow interface;
the filter body is accommodated in the shell and comprises an exchange membrane and a central tube, the exchange membrane is arranged on the outer side of the central tube in a winding mode, a first cavity is formed by the inner wall of the shell and part of the exchange membrane, the second water flow interface is connected with the first cavity, and the first water flow interface is connected with a second cavity formed by the central tube;
the filter body further comprises a physical interception layer, and the physical interception layer is arranged on the inner side or the outer side of the exchange membrane and is used for filtering impurities in water flow.
In the water purifier filter element according to an embodiment of the present invention, the physical interception layer includes a first physical interception layer, and the first physical interception layer is disposed in the first chamber; or the physical interception layer comprises a second physical interception layer disposed in the second chamber.
The utility model provides an in the water purifier filter core, physics interception layer includes one of them in pp cotton, micro-filtration membrane, milipore filter, carbon-point, carbon fiber or the carbon cloth.
The utility model discloses in embodiment's the water purifier filter core, be equipped with the first electrode and the second electrode that link to each other with DC power supply positive and negative poles electricity on the water purifier filter core, first electrode sets up in the second cavity, the second electrode sets up in the first cavity.
In the water purifier filter element according to the embodiment of the present invention, the exchange membrane includes a cation exchange membrane and an anion exchange membrane, the inside of the cation exchange membrane is attached to the inside of the anion exchange membrane, and the outside of the cation exchange membrane is opposite to the outside of the anion exchange membrane and forms a water flow channel.
In the filter element of the water purifier according to the embodiment of the present invention, the first electrode is electrically connected to a positive electrode of a dc power supply and disposed inside the cation exchange membrane, and the second electrode is electrically connected to a negative electrode of the dc power supply and disposed outside the anion exchange membrane; or
The first electrode is electrically connected with a negative electrode of a direct current power supply and is arranged on the inner side of the cation exchange membrane, and the second electrode is electrically connected with the negative electrode of the direct current power supply and is arranged on the outer side of the anion exchange membrane; or
The first electrode is electrically connected with a positive electrode of a direct current power supply and is arranged on the inner side of the anion exchange membrane, and the second electrode is electrically connected with a negative electrode of the direct current power supply and is arranged on the outer side of the cation exchange membrane; or
The first electrode is electrically connected with the negative electrode of the direct current power supply and is arranged on the inner side of the anion exchange membrane, and the second electrode is electrically connected with the positive electrode of the direct current power supply and is arranged on the outer side of the cation exchange membrane.
In the water purifier filter element according to an embodiment of the present invention, the first electrode is wound around the outer side of the central tube, and the second electrode is wound around the outer side of the exchange membrane.
In the water purifier filter element according to an embodiment of the present invention, the gap of the water flow passage is 10 to 500 μm.
In the water purifier filter element according to the embodiment of the present invention, the outer side of the cation exchange membrane or the anion exchange membrane is provided with a protrusion, so that when the exchange membrane is wound on the outer side of the central tube, the cation exchange membrane and the anion exchange membrane can form the water flow channel;
or the filter body also comprises a flow guide cloth, and the flow guide cloth is arranged in the water flow channel formed by the cation exchange membrane and the anion exchange membrane.
In the filter element of the water purifier of the embodiment of the utility model, the filter body further comprises waterproof glue layers which are arranged at two ends of the filter body, so that water flow can enter the exchange membrane from the outer side after passing through the physical interception layer and is discharged from the central tube; or the water flow enters the physical interception layer from the central pipe, passes through the exchange membrane and is discharged. According to the utility model discloses a second aspect, the utility model also provides a water purifier, including body and foretell water purifier filter core, the water purifier filter core is acceptd the inboard of body.
The technical scheme provided by the embodiment of the application can have the following beneficial effects: the application designs a water purifier filter core and water purifier, because exchange membrane installs the outside at the center tube with the mode of convoluteing, not only can improve the area of exchange membrane in the unit volume like this, but also can the simplification production technology of filter core structure. In addition, a physical interception layer is arranged in the second cavity, so that physical interception of small particles and adsorption removal of small molecular organic matters can be realized, and the structure is simple but practical.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.
Fig. 1 is a schematic structural diagram of a water purifier according to an embodiment of the present application;
fig. 2 is an exploded schematic view of the water purifier of fig. 1;
fig. 3 is a schematic sectional view of the water purifier in fig. 1;
FIG. 4 is an exploded schematic view of the water purifier cartridge of FIG. 1;
FIG. 5 is a schematic view of the filter body of FIG. 1;
FIG. 6 is another schematic structural view of the filter body of FIG. 1;
FIG. 7 is another schematic structural view of the filter body of FIG. 1;
FIG. 8 is another schematic structural view of the filter body of FIG. 1;
fig. 9 is another schematic view of the filter body of fig. 1.
Description of reference numerals:
100. a filter element of the water purifier; 101. a first chamber; 102. a second chamber; 200. a body;
10. a housing; 11. a first water flow interface; 12. a second water flow interface;
20. a filter body; 21. an exchange membrane; 211. an anion exchange membrane; 212. a cation exchange membrane; 22. a first electrode; 23. a second electrode; 24. a first physical interception layer; 25. a second physical interception layer.
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 some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
The filter element structure of the existing water purifier is mostly the superposition of flat-plate single-effect filter element membranes or the superposition of flat-plate multi-effect filter element membranes, but the flat-plate filter element structure has larger size, particularly realizes the filtration of large area, and the process is more complex.
The filter element of the water purifier is mainly used in the water purifier, and can filter water independently or in cooperation with other parts of the water purifier, so that the water quality is purified, and the filtered water meets the preset requirements, such as the drinking water standard.
As shown in fig. 1 to 9, according to a first aspect of the present application, there is provided a filter cartridge 100 for a water purifier, comprising a housing 10 and a filter 20, wherein the housing 10 is provided with a first water flow connector 11 and a second water flow connector 12, and the filter 20 is accommodated in the housing 10. In the present embodiment, the filter body 20 includes an exchange membrane 21 and a central tube, the exchange membrane 21 is mounted on the outer side of the central tube in a winding manner, so that the inner wall of the casing 10 and a part of the exchange membrane 21 can form a first chamber 101, the exchange membrane 21 is wound, and then the center or the central tube itself can form a second chamber 102, the second water flow port 12 is connected with the first chamber 101, and the first water flow port 11 is connected with the second chamber 102.
After the technical scheme is adopted, the exchange membrane is arranged on the outer side of the central tube in a winding mode, so that the area of the exchange membrane in unit volume can be increased, and the production process of the filter element structure can be simplified.
It should be noted that the central tube may be a physically existing element, or the central tube may not be a physically existing element, and is merely a virtual concept of winding the exchange membrane 21 around the center.
In an alternative embodiment, a physical interception layer is disposed in the first chamber 101 and/or the second chamber 102, so that pure water obtained by desalination through the exchange membrane 21 can enter the first water flow interface 11 and be discharged from the first water flow interface 11 after passing through the physical interception layer, or pure water obtained by desalination through the exchange membrane 21 can enter the second water flow interface 12 and be discharged from the second water flow interface 12 after passing through the physical interception layer.
Illustratively, as shown in fig. 3 and 5, the physical interception layer comprises a first physical interception layer 24, the first physical interception layer 24 being arranged outside the exchange membrane 21 and in the first chamber 101. When water flow enters the shell 10 from the second water flow port 12 and is discharged from the first water flow port 11, the water flow firstly carries out physical interception of small particles and adsorption removal of organic matters of small molecules through the second physical interception layer 25, and then the water flow flows into the exchange membrane 21 from the outer side of the exchange membrane 21. Or the water flow enters the shell 10 from the first water flow interface 11 and is discharged from the second water flow interface 12, the water flow firstly flows into the exchange membrane 21 from the outer side of the exchange membrane 21, and then flows into the second water flow interface 12 from the first physical interception layer 24 in the first chamber 101, so that the first physical interception layer 24 can physically intercept small particles in the first chamber 101 and adsorb and remove organic matters of small molecules.
Illustratively, as shown in fig. 3 and 6, the physical interception layer includes a second physical interception layer 25, the second physical interception layer 25 being disposed in the second chamber 102. When water flow enters the shell 10 from the second water flow port 12 and is discharged from the first water flow port 11, the first water flow port 11 flows into the exchange membrane 21 from the outer side of the exchange membrane 21, and then flows into the first water flow port 11 from the second physical interception layer 25 in the second chamber 102, so that the second physical interception layer 25 can physically intercept small particles in the second chamber 102 and adsorb and remove organic substances of small molecules. Or the water flow enters the shell 10 from the first water flow port 11 and is discharged from the second water flow port 12, the water flow firstly carries out physical interception of small particles and adsorption removal of organic matters of small molecules through the second physical interception layer 25, and then is discharged from the second water flow port 12 through the exchange membrane 21.
In an alternative embodiment, the physical barrier layer comprises one of pp cotton, a microfiltration membrane, an ultrafiltration membrane, a carbon rod, carbon fiber, or carbon cloth.
Specifically, the first physical interception layer 24 and the second physical interception layer 25 are configured as one of pp cotton, a microfiltration membrane, an ultrafiltration membrane, a carbon rod, carbon fiber or carbon cloth, so as to ensure a water purification effect.
In an alternative embodiment, as shown in fig. 3 to 9, the water purifier filter element is provided with a first electrode 22 and a second electrode 23 electrically connected to the positive and negative electrodes of the dc power supply, wherein the first electrode 22 and the second electrode 23 are respectively disposed on the inner and outer sides of the exchange membrane 21, so that the water flowing from the first chamber 101 to the second chamber 102 can be desalted under the action of the electric field, or the water flowing from the second chamber 102 to the first chamber 101 can be desalted under the action of the electric field.
In an alternative embodiment, the water purifier filter element further comprises a central tube, the exchange membrane 21 is wound on the outer side of the central tube, the first electrode 22 can be arranged on the outer side of the central tube, or the first electrode 22 is integrally formed with the central tube, and the second electrode 23 is arranged on the outer side of the exchange membrane 21, wherein the second electrode 23, the first electrode 22 and the wound exchange membrane 21 are concentrically arranged, so that the uniformity of the electric field after the exchange membrane 21 is wound can be ensured.
In an alternative embodiment, the first electrode 22 is a first electrode made of a titanium alloy material; and/or the second electrode 22 is a second electrode made of a titanium alloy material.
In an alternative embodiment, the first electrode 22 and/or the second electrode 23 are coated with a catalytic coating.
In an alternative embodiment, the catalytic coating is comprised of a noble metal oxide and a non-noble metal oxide; or the catalytic coating comprises a platinum plating, a platinum coating, or a platinum-containing tin oxide layer.
In an alternative embodiment, the noble metal oxide is iridium oxide or a mixture of iridium oxide and ruthenium oxide to ensure a useful life of the first electrode 22 and/or the second electrode 23.
In an alternative embodiment, the first electrode 22 and/or the second electrode 23 have an outer diameter of 0.1cm to 10 cm.
In an alternative embodiment, the wall thickness of the first electrode 22 and/or the second electrode 23 is between 0.01cm and 1 cm.
In an alternative embodiment, the first electrode 22 is filled with a plastic material to achieve hermeticity inside the first electrode 22.
In an alternative embodiment, the first electrode 22 is provided with a lumen, so that raw water can enter the first chamber 101 from the second chamber 102 through the lumen and then be discharged.
In an alternative embodiment, the exchange membrane 21 is a bipolar membrane, which is composed of a polymer film with fixed charges of opposite polarities, and includes an anion exchange membrane, a cation exchange membrane and an intermediate layer, the intermediate layer is disposed between the two layers of membranes, and under the action of an electric field, water molecules are dissociated into hydrogen ions and hydroxide ions in the intermediate layer of the bipolar membrane, wherein the hydrogen ions are in migration motion toward or away from the anion exchange membrane, and the hydroxide ions are in migration motion toward or away from the cation exchange membrane.
When the filter element of the water purifier is desalted through the bipolar membrane, the cation exchange membrane of the bipolar membrane faces the second chamber 102, the anion exchange membrane of the bipolar membrane faces the first chamber 101, the first electrode 22 is positioned in the second chamber 102 and is electrically connected with the positive electrode of the direct-current power supply, and the second electrode 23 is positioned in the first chamber 101 and is electrically connected with the negative electrode of the direct-current power supply, so that the water flow is desalted in a flow channel formed between the cation exchange membrane and the anion exchange membrane.
For example, the anions in the water flow move towards the first electrode 22 to replace hydroxide ions in the anion exchange membrane, which enter the flow channel; meanwhile, the cations in the raw water move towards the second electrode 23 to replace the hydrogen ions in the cation exchange membrane, and the hydrogen ions enter the flow channel, wherein the hydrogen ions and the hydroxyl ions are neutralized in the flow channel to generate water, so that the salt content in the water flow is removed to generate pure water, and the pure water is discharged from the second chamber 102.
Wherein, after desalination by using the bipolar membrane, the first electrode 22 and the second electrode 23 need to be subjected to reverse regeneration to release hydrogen ions and hydroxyl ions adsorbed on the bipolar membrane.
For example, the first electrode 22 is electrically connected to a negative electrode of a direct current power supply, the second electrode 23 is electrically connected to a positive electrode of the direct current power supply, a cation membrane and an anion membrane of the bipolar membrane generate hydrogen ions and hydroxide ions under an electric field, cations inside the cation membrane of the bipolar membrane are replaced by the hydrogen ions and move towards the first electrode 22, anions in the anion membrane of the bipolar membrane are replaced by the hydroxide ions and move towards the second electrode 23, and the cations and the anions enter a flow channel, so that a regeneration process is realized, wherein the cations can be Na +, and the anions can be Cl-, but not limited thereto.
In an alternative embodiment, the exchange membrane 21 comprises a cation exchange membrane 212 and an anion exchange membrane 211, wherein the inner side of the cation exchange membrane 212 is attached to the inner side of the anion exchange membrane 211, and the outer side of the cation exchange membrane 212 is opposite to the outer side of the anion exchange membrane 211 and forms a water flow channel, so that the hydrogen ions and the hydroxyl ions are neutralized in the water flow channel to generate water, or the cations and the anions enter the flow channel to realize a regeneration process.
In an alternative embodiment, the exchange membrane 21 is formed by stacking n layers of cation exchange membranes 212 and n layers of anion exchange membranes 211 in sequence, wherein 18 is greater than or equal to n and greater than or equal to 2, so that not only can the voltage required by the exchange membrane 21 during operation be prevented from being too large, but also the overall volume of the exchange membrane 21 after winding is ensured.
In an alternative embodiment, each layer of cation exchange membrane 212 is disposed opposite to the adjacent anion exchange membrane 211 and forms a water flow channel, so as to ensure that water flow can flow through the water flow channel formed by each layer of cation exchange membrane 212 and the anion exchange membrane 211, and ensure the speed of purified water.
In an alternative embodiment, the first electrode 22 is disposed outside the cation exchange membrane 212 and the second electrode 23 is disposed outside the anion exchange membrane 211.
The first electrode 22 may be disposed outside the anion exchange membrane 211, and the second electrode 23 may be disposed outside the cation exchange membrane 212, which is not limited in the present application.
In an alternative embodiment, the first electrode 22 is wound on the outside of the central tube, and the second electrode 23 is wound on the outside of the exchange membrane 21, so that the structure is simple and practical.
In an alternative embodiment, the gap of the water flow channel is 10 to 500 μm, which not only ensures that the water flow can pass through the water flow channel, but also ensures the volume of the membrane 21 after winding, and can maximize the function of the membrane 21.
In an alternative embodiment, the outer side of the cation exchange membrane 212 or the anion exchange membrane 211 is provided with a protrusion, so that when the exchange membrane 21 is wound on the outer side of the central tube, the cation exchange membrane 212 and the anion exchange membrane 211 can form a water flow channel for water flow to pass through.
In an alternative embodiment, the filter body further comprises a flow guide cloth, wherein the flow guide cloth is arranged in a water flow channel formed by the cation exchange membrane 212 and the anion exchange membrane 211 so as to ensure that water can pass through the water flow channel under the flow guide effect of the flow guide cloth.
In an optional embodiment, the filter body further includes a waterproof glue layer, and the waterproof glue layer is disposed at two ends of the exchange membrane 21 wound around the central tube to prevent the exchange membrane 21 from short-circuiting.
Illustratively, the waterproof glue layers are arranged at two ends of the whole filter body, so that the whole filter body is sealed, and water flow can enter the exchange membrane and be discharged from the central pipe after passing through the physical interception layer from the outer side; or the water flow enters the physical interception layer from the central pipe, passes through the exchange membrane and is discharged.
According to a second aspect of the present application, there is also provided a water purifier including a body 200 and the water purifier filter cartridge 100 described above, wherein the water purifier filter cartridge 100 is housed inside the body 200.
In the description of the present application, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The above disclosure provides many different embodiments or examples for implementing different structures of the application. The components and arrangements of specific examples are described above to simplify the present disclosure. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
In the description herein, references to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: numerous changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.
Claims (11)
1. A water purifier filter element, comprising:
the shell is provided with a first water flow interface and a second water flow interface;
the filter body is accommodated in the shell and comprises an exchange membrane and a central tube, the exchange membrane is arranged on the outer side of the central tube in a winding mode, a first cavity is formed by the inner wall of the shell and part of the exchange membrane, the second water flow interface is connected with the first cavity, and the first water flow interface is connected with a second cavity formed by the central tube;
the filter body further comprises a physical interception layer, and the physical interception layer is arranged on the inner side or the outer side of the exchange membrane and is used for filtering impurities in water flow.
2. The water purifier cartridge according to claim 1, wherein said physical interception layer comprises a first physical interception layer disposed in said first chamber; or the physical interception layer comprises a second physical interception layer disposed in the second chamber.
3. The water purifier filter element of claim 2, wherein the physical barrier comprises one of pp cotton, a microfiltration membrane, an ultrafiltration membrane, a carbon rod, carbon fiber, or carbon cloth.
4. The water purifier filter element according to claim 1, wherein the water purifier filter element is provided with a first electrode and a second electrode electrically connected to a positive and a negative electrode of a dc power supply, the first electrode being disposed in the second chamber, the second electrode being disposed in the first chamber.
5. The water purifier filter element of claim 4, wherein the exchange membrane comprises a cation exchange membrane and an anion exchange membrane, wherein the inside of the cation exchange membrane is attached to the inside of the anion exchange membrane, and the outside of the cation exchange membrane is opposite to the outside of the anion exchange membrane and forms a water flow channel.
6. The water purifier filter element according to claim 5, wherein the first electrode is electrically connected to a positive dc power supply and disposed inside the cation exchange membrane, and the second electrode is electrically connected to a negative dc power supply and disposed outside the anion exchange membrane; or
The first electrode is electrically connected with a negative electrode of a direct current power supply and is arranged on the inner side of the cation exchange membrane, and the second electrode is electrically connected with the negative electrode of the direct current power supply and is arranged on the outer side of the anion exchange membrane; or
The first electrode is electrically connected with a positive electrode of a direct current power supply and is arranged on the inner side of the anion exchange membrane, and the second electrode is electrically connected with a negative electrode of the direct current power supply and is arranged on the outer side of the cation exchange membrane; or
The first electrode is electrically connected with the negative electrode of the direct current power supply and is arranged on the inner side of the anion exchange membrane, and the second electrode is electrically connected with the positive electrode of the direct current power supply and is arranged on the outer side of the cation exchange membrane.
7. The water purifier cartridge according to claim 4, wherein said first electrode is wound around the outside of said center tube and said second electrode is wound around the outside of said exchange membrane.
8. The water purifier cartridge as recited in claim 5, wherein said water flow passage has a gap of 10 to 500 μm.
9. The water purifier cartridge according to claim 8, wherein the outer side of the cation exchange membrane or the anion exchange membrane is provided with a protrusion such that the cation exchange membrane and the anion exchange membrane can form the water flow passage when the exchange membrane is wound on the outer side of the center tube;
or the filter body also comprises a flow guide cloth, and the flow guide cloth is arranged in the water flow channel formed by the cation exchange membrane and the anion exchange membrane.
10. The water purifier filter element of claim 1, wherein the filter body further comprises a waterproof glue layer disposed at both ends of the filter body such that water flow can enter the exchange membrane from the outside through the physical interception layer and be discharged from the central tube; or the water flow enters the physical interception layer from the central pipe, passes through the exchange membrane and is discharged.
11. A water purifier comprising a body and the water purifier filter element according to any one of claims 1 to 10, the water purifier filter element being housed inside the body.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021679830.9U CN212532586U (en) | 2020-08-12 | 2020-08-12 | Water purifier filter element and water purifier |
| PCT/CN2021/102768 WO2022033204A1 (en) | 2020-08-12 | 2021-06-28 | Water purifier filter element and water purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021679830.9U CN212532586U (en) | 2020-08-12 | 2020-08-12 | Water purifier filter element and water purifier |
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| CN212532586U true CN212532586U (en) | 2021-02-12 |
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| CN202021679830.9U Active CN212532586U (en) | 2020-08-12 | 2020-08-12 | Water purifier filter element and water purifier |
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| WO (1) | WO2022033204A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022033204A1 (en) * | 2020-08-12 | 2022-02-17 | 云米互联科技(广东)有限公司 | Water purifier filter element and water purifier |
| CN114075001A (en) * | 2020-08-12 | 2022-02-22 | 云米互联科技(广东)有限公司 | Water purifier filter element and water purifier |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000070679A (en) * | 1998-08-26 | 2000-03-07 | Japan Organo Co Ltd | Electric deionized water making apparatus |
| JP2000126777A (en) * | 1998-10-22 | 2000-05-09 | Japan Organo Co Ltd | Electric deionized water making apparatus |
| US10155201B2 (en) * | 2014-01-27 | 2018-12-18 | Fujifilm Manufacturing Europe B.V. | Disposable membrane stacks |
| KR102211117B1 (en) * | 2018-01-15 | 2021-02-03 | 코웨이 주식회사 | Electro-deionization filter |
| CN110975618A (en) * | 2019-11-18 | 2020-04-10 | 厦门百霖净水科技有限公司 | Roll up membrane structure |
| CN110759438A (en) * | 2019-11-20 | 2020-02-07 | 佛山市云米电器科技有限公司 | Electric capacity desalination filter core and have water treatment facilities of this filter core |
| CN212609724U (en) * | 2020-08-12 | 2021-02-26 | 云米互联科技(广东)有限公司 | Water purifier filter element and water purifier |
| CN212609725U (en) * | 2020-08-12 | 2021-02-26 | 云米互联科技(广东)有限公司 | Water purifier filter element and water purifier |
| CN212532586U (en) * | 2020-08-12 | 2021-02-12 | 云米互联科技(广东)有限公司 | Water purifier filter element and water purifier |
-
2020
- 2020-08-12 CN CN202021679830.9U patent/CN212532586U/en active Active
-
2021
- 2021-06-28 WO PCT/CN2021/102768 patent/WO2022033204A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022033204A1 (en) * | 2020-08-12 | 2022-02-17 | 云米互联科技(广东)有限公司 | Water purifier filter element and water purifier |
| CN114075001A (en) * | 2020-08-12 | 2022-02-22 | 云米互联科技(广东)有限公司 | Water purifier filter element and water purifier |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022033204A1 (en) | 2022-02-17 |
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Effective date of registration: 20211022 Address after: 528000 No.2, North Xinxi 4th Road, Xiashi village, Lunjiao street, Shunde District, Foshan City, Guangdong Province Patentee after: Guangdong Chestnut Technology Co.,Ltd. Address before: 528000 no.1-7, north of the first floor of building a, No.2 north of Xinxi Fourth Road, Xiashi village committee, Lunjiao sub district office, Shunde District, Foshan City, Guangdong Province Patentee before: Yunmi Internet technology (Guangdong) Co.,Ltd. |