Composite filter element and water purifier

By adding protrusions in the composite filter element and setting up sterilization components, the problems of small surface area in contact with the filter element and bacterial breeding are solved, better filtration and sterilization effects are achieved, and the safety of the water purifier is improved.

CN223060816UActive Publication Date: 2025-07-04NINGBO FOTILE KITCHEN WARE CO LTD
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Patent Information

Application Number
CN202420907543.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-28
Publication Date
2025-07-04
Estimated Expiration
2034-04-28

AI Technical Summary

Technical Problem

The surface area of ​​the composite filter element of the existing water purifier is small and the filtration effect is poor. The activated carbon in the filter element is prone to breed bacteria and affects health.

Method used

The composite filter element is designed to increase the protrusions to increase the contact surface area with water, and a sterilization component is installed at the water inlet and outlet. Bacteria is killed by using an LED sterilizer, and further filtering is combined with the carbon filter element and reverse osmosis membrane.

Benefits of technology

It improves the filtering effect and sterilization ability of the filter element, makes the water effluent more sanitary and safe, and extends the service life of the filter element.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a composite filter element and a water purifier, and relates to the technical field of water purifiers. The composite filter element comprises the filter element body and the protrusions, and the protrusions protrude from the inner surface and / or the outer surface of the filter element body, so that the contact surface area of the filter element body and water can be increased, impurities in the filtered water are fully contacted, and the filtering effect is enhanced. The composite filter element is provided with the water inlet and the water outlet, the water inlet and the water outlet are communicated with the filter element body, and the water inlet and / or the water outlet are / is provided with the sterilization assembly, so that sterilization is carried out when water flows out of the composite filter element, bacteria bred in the water are killed, the sterilization effect of the composite filter element is improved, the filtering effect of the composite filter element is better, and discharged water is more sanitary and safer.
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Description

Technical Field

[0001] The utility model relates to the technical field of water purifiers, and particularly relates to a composite filter element and a water purifier. Background Art

[0002] At present, composite filter elements are usually used in water purifiers on the market. Polypropylene melt-blown filter elements are usually used in the pretreatment of composite filter elements. The surface area of the polypropylene melt-blown filter element in contact with water is generally small, that is, the water passing capacity is small, the filtering effect is poor, and the service life is short. In addition, due to the use of a large amount of activated carbon in the filter element, a large number of bacteria are easily bred after the activated carbon adsorbs organic substances, which affects the filtering effect and has an impact on the health of users. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to overcome the defects of the existing filter element, such as small surface area in contact with water, poor filtering effect and many bacteria, and provide a composite filter element and a water purifier.

[0004] The utility model solves the above technical problems through the following technical solutions:

[0005] The utility model provides a composite filter element, which includes a filter element body and protrusions, and the protrusions protrude from the inner surface and / or the outer surface of the filter element body;

[0006] The composite filter element is provided with a water inlet and a water outlet, the water inlet and the water outlet are communicated with the filter element body, and a sterilization component is installed at the water inlet and / or the water outlet.

[0007] In this solution, the composite filter element is provided with protrusions, and the protrusions protrude from the inner surface and / or the outer surface of the filter element body, so as to increase the surface area of the filter element body in contact with water, filter impurities in water through sufficient contact, and enhance the filtering effect. And, a sterilization component is provided at the water inlet of the composite filter element to sterilize the water when it enters the composite filter element, or a sterilization component can also be provided at the water outlet of the composite filter element to sterilize the water when it flows out of the composite filter element, kill the bacteria bred in the water, improve the sterilization effect of the composite filter element, make the filtering effect of the composite filter element better, and make the outlet water more hygienic and safe.

[0008] Preferably, the protrusions include folding lines formed by folding the filter element body.

[0009] In this solution, the protrusions include folding lines formed by folding the filter element body. The surface area of the folding lines is large, so as to further increase the surface area of the filter element body in contact with water and further enhance the filtering effect. At the same time, the folding lines are convenient for pressing and forming, which can make the manufacturing of the filter element body more convenient and reduce the production cost.

[0010] Preferably, the material of the filter element body includes a polypropylene meltblown filter element and carbon.

[0011] In this solution, the material of the filter element body includes a polypropylene meltblown filter element and carbon. The filter element body is compounded with carbon powder during meltblowing. Since the filter element body contains carbon powder, it can further deeply adsorb the different colors and foreign matters in the water, making the filtering effect of the composite filter element better.

[0012] Preferably, the composite filter element further includes a carbon filter element, and the filter element body is arranged around the circumferential side of the carbon filter element.

[0013] In this solution, the composite filter element further includes a carbon filter element, and the filter element body is arranged around the circumferential side of the carbon filter element, so that the composite filter element can be filtered twice by the filter element body and the carbon filter element, and thus can filter out the impurities in the water more fully, making the filtering effect better.

[0014] Preferably, the composite filter element further includes a central tube, the carbon filter element is arranged inside the central tube, and through holes communicating the carbon filter element and the filter element body are formed on the central tube;

[0015] And / or, a reverse osmosis membrane element is arranged between the carbon filter element and the filter element body.

[0016] In this solution, the carbon filter element is arranged inside the central tube. The central tube is used to place the carbon filter element, and through holes communicating the carbon filter element and the filter element body are formed on the central tube, so that water can flow through the filter element body and the carbon filter element respectively through the through holes. The setting of the through holes can slow down the flow rate of the water, enabling the water to contact the filter element body and the carbon filter element more fully. The through holes can also filter out some impurities in the water, further enhancing the filtering effect of the composite filter element.

[0017] A reverse osmosis membrane element is arranged between the carbon filter element and the filter element body. The reverse osmosis membrane can further adsorb the impurities in the water, further enhancing the filtering effect of the composite filter element.

[0018] Preferably, the composite filter element further includes a filter bottle body, the filter element body and the carbon filter element are arranged inside the filter bottle body, and the water inlet is arranged in the area of the filter bottle body close to the filter element body;

[0019] And / or, the water outlet is arranged in the area of the filter bottle body close to the carbon filter element.

[0020] In this solution, the composite filter element further includes a filter bottle body. The filter element body and the carbon filter element are arranged inside the filter bottle body, so that the filter bottle body plays a protective role for the filter element body and the carbon filter element, preventing the filter element body and the carbon filter element from being damaged and extending the service life of the composite filter element. By setting the water inlet in the area of the filter bottle body close to the filter element body, the incoming water can reach the filter element body faster for filtration, improving the filtration efficiency. By setting the water outlet in the area of the filter bottle body close to the carbon filter element, the water can be discharged faster, which can also improve the filtration efficiency.

[0021] Preferably, the sterilization component includes an LED sterilizer.

[0022] In this solution, the sterilization component selects an LED sterilizer. The LED sterilizer has a good sterilization effect, so it can kill the bacteria growing in the water, improving the sterilization effect of the composite filter element, making the filtration effect of the composite filter element better, and making the outlet water more hygienic and safe. The LED sterilizer is easy to obtain, so that the composite filter element is more convenient to manufacture.

[0023] Preferably, the sterilization component further includes a cover body, and the cover body covers the periphery of the LED sterilizer. The cover body is made of a light-transmitting material.

[0024] In this solution, the sterilization component further includes a cover body. The cover body covers the periphery of the LED sterilizer. The cover body can play a protective role for the sterilization component, preventing water from seeping into the sterilization component and avoiding damage to the sterilization component. The cover body is made of a light-transmitting material, so that the light can penetrate the cover body and act on the water to kill the bacteria growing in the water.

[0025] Preferably, the filter element body is consistent with the extension direction of the composite filter element.

[0026] In this solution, by making the filter element body consistent with the extension direction of the composite filter element, the space utilization rate inside the composite filter element is higher, the filter element body inside the composite filter element is more compact with other structures, and the filtration effect of the composite filter element is improved.

[0027] The present utility model also provides a water purifier, and the water purifier includes the above-mentioned composite filter element.

[0028] In this solution, the water purifier has the same effect as the above-mentioned composite filter element.

[0029] The positive and progressive effects of the present utility model are as follows:

[0030] The present utility model provides a composite filter element. The composite filter element is provided with protrusions that protrude from the inner surface and / or the outer surface of the filter element body, so as to increase the surface area of contact between the filter element body and water, filter impurities in water through sufficient contact, and enhance the filtering effect. Moreover, a sterilization component is provided at the water inlet of the composite filter element to sterilize the water when it enters the composite filter element, or a sterilization component can also be provided at the water outlet of the composite filter element to sterilize the water when it flows out of the composite filter element, kill bacteria growing in the water, improve the sterilization effect of the composite filter element, make the filtering effect of the composite filter element better, and make the outlet water more hygienic and safe. Description of the Drawings

[0031] Figure 1 Schematic perspective view of a composite filter element according to an embodiment of the present utility model.

[0032] Figure 2 Longitudinal sectional view of a composite filter element according to an embodiment of the present utility model.

[0033] Figure 3 Schematic perspective view of a filter element body according to an embodiment of the present utility model.

[0034] Figure 4 Schematic perspective view of a central tube according to an embodiment of the present utility model.

[0035] Figure 5 For Figure 2 Enlarged view of part A.

[0036] Description of the Reference Numerals:

[0037] Composite filter element 100

[0038] Filter element body 200

[0039] Protrusion 210

[0040] Folding lines 211

[0041] Carbon filter element 300

[0042] Reverse osmosis membrane element 400

[0043] Central tube 500

[0044] Through hole 510

[0045] Filter bottle body 600

[0046] Water inlet 610

[0047] Water outlet 620

[0048] Sterilization component 700

[0049] LED sterilizer 710

[0050] Housing 720 Detailed implementation manner

[0051] The present utility model will be further described below by way of embodiments, but the present utility model is not limited to the scope of the embodiments accordingly.

[0052] This embodiment provides a water purifier, and the water purifier includes a composite filter element 100.

[0053] As Figure 1 and Figure 2 shown, the composite filter element 100 includes a filter element body 200 and protrusions 210, and the protrusions 210 protrude from the inner surface and the outer surface of the filter element body 200. By providing the protrusions 210, the surface area of contact between the filter element body 200 and water is increased, and impurities in the water are filtered through sufficient contact, enhancing the filtering effect. In this embodiment, the protrusions 210 protrude from the inner surface and the outer surface of the filter element body 200, that is, the protrusions 210 are provided on both the inner surface and the outer surface. In other embodiments, the protrusions 210 protrude from the inner surface or the outer surface of the filter element body 200, that is, the protrusions 210 can be provided only on the inner surface or the outer surface.

[0054] The composite filter element 100 is provided with a water inlet 610 and a water outlet 620, and the water inlet 610 and the water outlet 620 are communicated with the filter element body 200. In this embodiment, a sterilization component 700 is installed at the water outlet 620, so as to sterilize the water when the water flows out of the composite filter element 100, kill the bacteria growing in the water, improve the sterilization effect of the composite filter element 100, make the filtering effect of the composite filter element 100 better, and make the outlet water more hygienic and safe. In other embodiments, the sterilization component 700 can also be installed at the water inlet 610, so as to sterilize the water when the water enters the composite filter element 100, or the sterilization component 700 can be provided at both the water inlet 610 and the water outlet 620 to further improve the sterilization effect of the composite filter element 100.

[0055] As Figure 3 shown, in this embodiment, the protrusions 210 include folding lines 211 formed by folding the filter element body 200. The surface area of the folding lines 211 is relatively large, so that the surface area of contact between the filter element body 200 and water can be further increased, and the filtering effect can be further enhanced. At the same time, the folding lines 211 are convenient for pressing and forming, which can make the manufacturing of the filter element body 200 more convenient and reduce the production cost. In other embodiments, other forms of protrusions 210 considered suitable by those skilled in the art can also be adopted.

[0056] In this embodiment, only one form of protrusions 210, i.e., the folding lines 211, is selected. In other embodiments, multiple forms of protrusions 210 can also be selected, and the multiple forms of protrusions 210 can be alternately arranged, or other numbers and setting manners of protrusions 210 considered suitable by those skilled in the art can also be selected.

[0057] In this embodiment, the material of the filter element body 200 includes a polypropylene melt-blown filter element and carbon. The filter element body 200 is compounded with carbon powder during melt-blown. Since the filter element body 200 contains carbon powder, it can further deeply adsorb the colored and foreign substances in water, making the filtering effect of the composite filter element 100 better. In other embodiments, the filter element body 200 can also adopt other materials considered suitable by those skilled in the art.

[0058] The composite filter element 100 further includes a carbon filter element 300. The filter element body 200 is disposed around the circumferential side of the carbon filter element 300, so that the composite filter element 100 can be filtered twice by the filter element body 200 and the carbon filter element 300, and thus the impurities in water can be more fully filtered out, making the filtering effect better.

[0059] As Figure 1 and Figure 4 shown, the composite filter element 100 further includes a central tube 500. The carbon filter element 300 is disposed inside the central tube 500. A through hole 510 communicating the carbon filter element 300 and the filter element body 200 is formed on the central tube 500, so that water can flow through the filter element body 200 and the carbon filter element 300 respectively through the through hole 510. The setting of the through hole 510 can slow down the flow rate of water, enabling water to contact the filter element body 200 and the carbon filter element 300 more fully. The through hole 510 can also filter out some impurities in water, further enhancing the filtering effect of the composite filter element 100.

[0060] A reverse osmosis membrane element 400 is provided between the carbon filter element 300 and the filter element body 200. The reverse osmosis membrane can further adsorb the impurities in water, further enhancing the filtering effect of the composite filter element 100.

[0061] The composite filter element 100 further includes a filter bottle body 600. The filter element body 200 and the carbon filter element 300 are disposed inside the filter bottle body 600, so that the filter bottle body 600 plays a protective role for the filter element body 200 and the carbon filter element 300, preventing the filter element body 200 and the carbon filter element 300 from being damaged and extending the service life of the composite filter element 100. The water inlet 610 is arranged in the area of the filter bottle body 600 close to the filter element body 200, so that the incoming water can reach the filter element body 200 faster for filtration, improving the filtration efficiency. The water outlet 620 is arranged in the area of the filter bottle body 600 close to the carbon filter element 300, so that the outgoing water can be discharged faster, which can also improve the filtration efficiency.

[0062] As Figure 2As shown, in this embodiment, the composite filter element 100 has a columnar structure. The carbon filter element 300 is disposed at the center of the composite filter element 100. The filter element body 200 is disposed around the circumferential side of the carbon filter element 300. The reverse osmosis membrane element 400 is disposed between the filter element body 200 and the carbon filter element 300. The water inlet 610 is opened on the outer peripheral side of the composite filter element 100. The water outlet 620 is opened at one axial end of the composite filter element 100. Water enters from the water inlet 610 on the outer peripheral side of the composite filter element 100, sequentially passes through the filter element body 200, the reverse osmosis membrane element 400, and the carbon filter element 300, and then is discharged from the water outlet 620 at one axial end of the composite filter element 100.

[0063] As Figure 5 As shown, in this embodiment, the sterilization component 700 includes an LED sterilizer 710. The LED sterilizer 710 has a good sterilization effect, so that bacteria growing in water can be killed, the sterilization effect of the composite filter element 100 can be improved, the filtering effect of the composite filter element 100 can be better, and the water outlet can be more hygienic and safe. The LED sterilizer 710 is easy to obtain, so that the composite filter element 100 is more convenient to manufacture. In other embodiments, other types of sterilizers considered suitable by those skilled in the art can also be selected.

[0064] The sterilization component 700 further includes a cover body 720. The cover body 720 covers the periphery of the LED sterilizer 710. The cover body 720 can protect the sterilization component 700, prevent water from seeping into the sterilization component 700, and avoid damage to the sterilization component 700. The cover body 720 is made of a light-transmitting material, so that light can penetrate the cover body 720 and act on the water to kill bacteria growing in the water. In this embodiment, the cover body 720 is made of glass material. In other embodiments, other light-transmitting materials considered suitable by those skilled in the art can also be selected.

[0065] The extending direction of the filter element body 200 is consistent with that of the composite filter element 100, so that the space utilization rate inside the composite filter element 100 is higher, the filter element body 200 inside the composite filter element 100 and other structures are more compact, and the filtering effect of the composite filter element 100 is improved. In this embodiment, the composite filter element 100 has a columnar structure, and the filter element body 200 is disposed along the circumferential direction of the composite filter element 100. In other embodiments, other shapes and setting manners of the composite filter element 100 and the filter element body 200 considered suitable by those skilled in the art can also be selected.

[0066] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is the orientation in which the device or component is located during normal use. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation at any time. Therefore, it should not be construed as a limitation of the present utility model in this regard.

[0067] Although the specific embodiments of the present utility model have been described above, those skilled in the art should understand that this is only an example. The protection scope of the present utility model is defined by the appended claims. Without departing from the principle and essence of the present utility model, those skilled in the art can make various changes or modifications to these embodiments, but these changes and modifications all fall within the protection scope of the present utility model.

Claims

1. A composite filter element, characterized in that, The composite filter element includes a filter element body and protrusions, and the protrusions protrude from the inner surface and / or outer surface of the filter element body; The composite filter element is provided with a water inlet and a water outlet, the water inlet and the water outlet are communicated with the filter element body, and a sterilization component is installed at the water inlet and / or the water outlet.

2. The composite filter element according to claim 1, wherein, The protrusions include folding lines formed by folding the filter element body.

3. The composite filter element according to claim 2, wherein, The composite filter element further includes a carbon filter element, and the filter element body is disposed around the circumference of the carbon filter element.

4. The composite filter element according to claim 3, wherein, The composite filter element further includes a central tube, the carbon filter element is disposed inside the central tube, and through holes communicating the carbon filter element and the filter element body are formed in the central tube; and / or, a reverse osmosis membrane element is provided between the carbon filter element and the filter element body.

5. The composite filter element according to claim 3, wherein The composite filter element further includes a filter bottle body, the filter element body and the carbon filter element are disposed inside the filter bottle body, and the water inlet is disposed in a region of the filter bottle body close to the filter element body; and / or, the water outlet is disposed in a region of the filter bottle body close to the carbon filter element.

6. The composite filter element according to claim 1, wherein The sterilization component includes an LED sterilizer.

7. The composite filter element according to claim 6, wherein, The sterilization component further includes a cover body, the cover body covers the periphery of the LED sterilizer, and the cover body is made of a light-transmitting material.

8. The composite filter element according to claim 1, wherein The filter element body is consistent with the extending direction of the composite filter element.

9. A water purifier, characterized in that, The water purifier includes the composite filter element according to any one of claims 1-8.