Method for intelligently detecting service life of filter element of water purifier

By connecting multiple filter elements in a series in the intelligent water purifier and installing multiple probes to detect the water quality to judge the use of the filter element, the problem of inaccurately defining the filter element in the existing technology is solved, and the effect of accurately replacing the filter element is achieved.

CN119492674APending Publication Date: 2025-02-21ANHUI UNIV
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Patent Information

Application Number
CN202411635914.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-15
Publication Date
2025-02-21

AI Technical Summary

Technical Problem

The existing smart water purifier filter life detection method cannot accurately define which filter element has problems, resulting in consumers needing to replace them all or test them one by one, which is both troublesome and expensive.

Method used

By connecting multiple filter elements of the water purifier in series in sequence, and installing infrared probes, chloride ion probes, microbial probes and color development probes at the output end of each filter element, we can detect water quality and judge the use of the filter element, accurately A filter element that needs to be replaced is prompted.

Benefits of technology

It realizes an accurate judgment of which filter element needs to be replaced, reducing the cost and trouble of replacing the filter element, and is convenient and fast to operate.

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Abstract

The invention provides a method for intelligently detecting the service life of filter elements of a water purifier, which comprises the following steps: S1, serially connecting the filter elements: sequentially connecting a PP cotton filter element, a front activated carbon filter element, a high-precision PP cotton filter element, an RO (Reverse Osmosis) membrane filter element and a rear activated carbon filter element of the water purifier in series, and ensuring that water flow sequentially passes through each filter element to form a complete filter passage. According to the method for intelligently detecting the service life of the filter element of the water purifier, provided by the invention, through an infrared probe, a chloride ion probe, a microbial probe and a developing probe which are mounted, when water flows through a joint between the filter elements, the probes can detect the content of impurities mainly filtered by the previous filter element, and if the content is too high, an external corresponding warning lamp can be turned on, so that the service life of the filter element of the water purifier can be detected. Therefore, the effect of accurately determining which filter element reaches the service life or is damaged is achieved, a user is reminded to accurately determine the replacement of a certain filter element, the cost of replacing the filter element by the user is reduced, and the operation is convenient and rapid.
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Description

Technical Field

[0001] The present invention relates to the field of intelligent detection, and in particular to a method for intelligently detecting the life of a filter element of a water purifier. Background Art

[0002] In the new era, as living standards improve, people have higher and higher requirements for drinking water, and smart water purifiers have gradually entered people's field of vision. However, the life detection of the filter element of smart water purifiers is very complicated. Factors such as ambient temperature, water quality in different regions, and water pressure will have a great impact on the prediction of filter element life.

[0003] The main methods for testing the life of filter cartridges in the current market are: determining the life of the filter cartridge based on empirical parameters by measuring the working time of the water pump; determining the life of the filter cartridge by testing the TDS value of purified water; determining the life of the filter cartridge by testing the pressure change before and after the RO filter cartridge through a pressure sensor; and determining the life of the filter cartridge through a flow sensor. Although the above four testing methods can all detect the life of the filter cartridge, they all have the same problem, that is, they can only determine that there is a problem with the filter cartridge, but they cannot know which filter cartridge has the problem. Consumers often have to replace all of them or go to professionals to test them one by one, which is very troublesome and expensive.

[0004] Therefore, it is necessary to provide a method for intelligently detecting the life of a water purifier filter element to solve the above technical problems. Summary of the invention

[0005] The present invention provides a method for intelligently detecting the life of a water purifier filter element, which solves the problem that it is impossible to determine which filter element has a problem, and consumers either have to replace all the filter elements or find professionals to detect them one by one, which is both troublesome and costly.

[0006] In order to solve the above technical problems, the present invention provides a method for intelligently detecting the life of a water purifier filter element, comprising the following steps:

[0007] S1. Filter element series setting: connect the PP cotton filter element, pre-activated carbon filter element, high-precision PP cotton filter element, RO reverse osmosis membrane filter element and post-activated carbon filter element of the water purifier in series in sequence to ensure that the water flows through each filter element in sequence to form a complete filtration path;

[0008] S2. Installation of multiple types of probes: infrared probes, chloride ion probes, microbial probes and colorimetric probes are installed at the output ends of the PP cotton filter element, pre-activated carbon filter element, high-precision PP cotton filter element and RO reverse osmosis membrane filter element through the probe mounting seat;

[0009] S3. Water quality detection and filter life judgment: The water quality is detected by installing infrared probes, chloride ion probes, microbial probes and colorimetric probes to analyze whether the content of various substances in the water exceeds the standard. Then the system accurately judges the use of the water purification core according to the function of the corresponding water purification core, so as to accurately prompt which water purification core should be replaced to avoid replacing all water purification cores;

[0010] S4. Remote monitoring: The detected data will be transmitted to the user's mobile terminal application or cloud server in real time through the wireless communication module. The user can check the status of each filter and water quality anytime and anywhere through the mobile terminal.

[0011] Preferably, the infrared probe can scan visible large particles and carbon powder. When large particles are scanned, the diode connected later will light up, and the photoresistor will sense the light of the diode, causing the resistance of the photoresistor to decrease, thereby lighting up the warning light connected to the outer layer.

[0012] Preferably, the chloride ion probe generates a potential difference across the membrane, the magnitude of the potential difference being proportional to the concentration of chloride ions. The concentration of chloride ions can be determined by measuring the potential difference, and when the concentration exceeds the standard, the outer warning light is turned on.

[0013] Preferably, the microbial probe emits light through a light source, and the photoelectric detection device receives the light transmitted through the suspension and converts it into an electrical signal. The instrument calculates the turbidity value of the suspension based on the strength of the electrical signal, thereby reflecting the concentration of the microorganisms. When the concentration exceeds the standard, the outer warning light is turned on.

[0014] Preferably, when water flows through the color developing probe, it absorbs some moisture, and when the color changes, the outer warning light is turned on.

[0015] Preferably, a probe mounting base is required in step S2, and the probe mounting base includes a detection frame, a mounting groove is provided on the front side of the detection frame, a transparent plate is fixedly installed on the inner side of the mounting groove, mounting tubes are fixedly installed on both sides of the detection frame, one end of the outer side of one of the mounting tubes is threadedly connected to a first sealing cover, and one end of the outer side of the other mounting tube is threadedly connected to a second sealing cover, a first threading hole is provided on one side of the second sealing cover, a first sealing ring is provided on the inner side of the second sealing cover, a baffle is provided on one side of the first sealing ring, a second threading hole is provided inside the baffle, a threaded ring is fixedly installed on one side of the baffle, a second sealing ring is provided on the inner side of the threaded ring, and the second sealing ring is attached to one side of the baffle, an inlet valve is fixedly installed on the top of the detection frame, and a water outlet valve is fixedly installed on the bottom of the detection frame.

[0016] Preferably, a connector is fixedly mounted on one end of the water inlet valve and the water outlet valve.

[0017] Preferably, two slide grooves are provided on the top and bottom of the inner side of the installation groove, and the inner side surfaces of the four slide grooves are slidably connected to two magnetic plates, and the two magnetic plates are respectively arranged on the front and back of the transparent plate.

[0018] Preferably, a cleaning brush is fixedly mounted on one side of the magnetic plate, and one side of the cleaning brush is attached to the back side of the transparent plate.

[0019] Preferably, slide rails are fixedly installed on the top and bottom of the front side of the detection frame, a protective plate is slidably connected between the two slide rails, the protective plate is arranged on the front side of the transparent plate, and a push plate is fixedly installed on one end of the front side of the protective plate.

[0020] Compared with the related art, the method for intelligently detecting the life of a water purifier filter element provided by the present invention has the following beneficial effects:

[0021] The present invention provides a method for intelligently detecting the life of a water purifier filter element. By installing infrared probes, chloride ion probes, microbial probes and colorimetric probes, when water flows through the connection between the filter elements, the probes will detect the content of impurities mainly filtered out by the previous filter element. If the content is too high, the corresponding external warning light will light up, thereby achieving the effect of accurately determining which filter element has reached the end of its life or is damaged, thereby reminding the user to accurately replace a certain filter element, reducing the cost of replacing the filter element required by the user, and the operation is convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A schematic diagram of a process for intelligently detecting the life of a water purifier filter element provided by the present invention;

[0023] Figure 2 A schematic structural diagram of a first embodiment of a probe mounting base for a method for intelligently detecting the life of a water purifier filter element provided by the present invention;

[0024] Figure 3 for Figure 2 A schematic cross-sectional structure diagram of a second sealing cover is shown;

[0025] Figure 4 for Figure 1 The schematic diagram of the cross-sectional structure of the detection frame shown in the figure is a top view;

[0026] Figure 5 for Figure 4 An enlarged schematic diagram of part A is shown;

[0027] Figure 6A schematic structural diagram of a second embodiment of a probe mounting base for a method for intelligently detecting the life of a water purifier filter element provided by the present invention.

[0028] Numbers in the figure: 1. Detection frame, 11. Installation groove, 12. Transparent plate, 13. Slide groove, 14. Magnetic plate, 15. Cleaning brush, 2. Installation tube, 21. First sealing cover, 22. Second sealing cover, 23. First threading hole, 24. First sealing ring, 25. Baffle, 26. Second threading hole, 27. Threaded ring, 28. Second sealing ring, 3. Water inlet valve, 31. Water outlet valve, 32. Connector, 4. Slide rail, 41. Protective plate, 42. Push plate. DETAILED DESCRIPTION

[0029] The present invention will be further described below in conjunction with the accompanying drawings and implementation modes.

[0030] First embodiment

[0031] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic diagram of a process for intelligently detecting the life of a water purifier filter element provided by the present invention; Figure 2 A schematic structural diagram of a first embodiment of a probe mounting base for a method for intelligently detecting the life of a water purifier filter element provided by the present invention; Figure 3 for Figure 2 A schematic cross-sectional structure diagram of a second sealing cover is shown; Figure 4 for Figure 1 The schematic diagram of the cross-sectional structure of the detection frame shown in the figure is a top view; Figure 5 for Figure 4 A method for intelligently detecting the life of a water purifier filter element comprises the following steps:

[0032] S1. Filter element series setting: connect the PP cotton filter element, pre-activated carbon filter element, high-precision PP cotton filter element, RO reverse osmosis membrane filter element and post-activated carbon filter element of the water purifier in series in sequence to ensure that the water flows through each filter element in sequence to form a complete filtration path;

[0033] S2. Installation of multiple types of probes: infrared probes, chloride ion probes, microbial probes and colorimetric probes are installed at the output ends of the PP cotton filter element, pre-activated carbon filter element, high-precision PP cotton filter element and RO reverse osmosis membrane filter element through the probe mounting seat;

[0034] S3. Water quality detection and filter life judgment: The water quality is detected by installing infrared probes, chloride ion probes, microbial probes and colorimetric probes to analyze whether the content of various substances in the water exceeds the standard. Then the system accurately judges the use of the water purification core according to the function of the corresponding water purification core, so as to accurately prompt which water purification core should be replaced to avoid replacing all water purification cores;

[0035] S4. Remote monitoring: The detected data will be transmitted to the user's mobile terminal application or cloud server in real time through the wireless communication module. The user can check the status of each filter and water quality anytime and anywhere through the mobile terminal.

[0036] The infrared probe can scan visible large particles and carbon powder. When large particles are scanned, the diode connected at the back will light up, and the photoresistor will sense the light of the diode, causing the resistance of the photoresistor to decrease, thereby lighting up the warning light connected to the outer layer.

[0037] The chloride ion probe generates a potential difference on both sides of the membrane. The size of the potential difference is proportional to the concentration of chloride ions. The concentration of chloride ions can be determined by measuring the potential difference. When the concentration exceeds the standard, the outer warning light will light up.

[0038] The microbial probe emits light through a light source, and the photoelectric detection device receives the light that passes through the suspension and converts it into an electrical signal. The instrument calculates the turbidity value of the suspension based on the strength of the electrical signal, thereby reflecting the concentration of the microorganisms. When the concentration exceeds the standard, the outer warning light lights up.

[0039] When water flows through the color developing probe, it absorbs some moisture, and when the color changes, the outer warning light is turned on.

[0040] A probe mounting seat is required in the step S2, and the probe mounting seat includes a detection frame 1, a mounting groove 11 is provided on the front of the detection frame 1, a transparent plate 12 is fixedly installed on the inner side of the mounting groove 11, mounting tubes 2 are fixedly installed on both sides of the detection frame 1, one end of the outer side of one of the mounting tubes 2 is threadedly connected to a first sealing cover 21, and one end of the outer side of the other mounting tube 2 is threadedly connected to a second sealing cover 22, a first threading hole 23 is provided on one side of the second sealing cover 22, a first sealing ring 24 is provided on the inner side of the second sealing cover 22, a baffle 25 is provided on one side of the first sealing ring 24, a second threading hole 26 is provided inside the baffle 25, a threaded ring 27 is fixedly installed on one side of the baffle 25, a second sealing ring 28 is provided on the inner side of the threaded ring 27, and the second sealing ring 28 is attached to one side of the baffle 25, an inlet valve 3 is fixedly installed on the top of the detection frame 1, and a water outlet valve 31 is fixedly installed on the bottom of the detection frame 1.

[0041] A connector 32 is fixedly mounted on one end of the water inlet valve 3 and the water outlet valve 31 .

[0042] Two slide grooves 13 are provided at the top and bottom of the inner side of the installation groove 11 , and two magnetic plates 14 are slidably connected to the inner side of the four slide grooves 13 . The two magnetic plates 14 are respectively arranged on the front and back of the transparent plate 12 .

[0043] By slidingly connecting the end surface of the magnetic plate 14 to the inner side surface of the slide groove 13, the stability of the magnetic plate 14 when moving can be increased during use.

[0044] A cleaning brush 15 is fixedly mounted on one side of the magnetic plate 14 , and one side of the cleaning brush 15 is attached to the back side of the transparent plate 12 .

[0045] When in use, the user connects the water inlet valve 3 and the water outlet end of the filter cartridge, connects the water outlet valve 31 and the water inlet end of another filter cartridge, and then removes the second sealing cover 22, and then threading the detection probe to the inner side of the threaded ring 27, so that one end of the detection probe abuts against one side of the second sealing ring 28, thereby achieving a sealing effect, and passes the power cord through the first threading hole 23 and the second threading hole 26 respectively, and then threading the second sealing cover 22 to the outer side of the mounting tube 2, so that one end of the mounting tube 2 abuts against one side of the baffle 25, and the other side of the baffle 25 abuts against the inner side of the second sealing cover 22, so as to install the detection probe;

[0046] During subsequent use, the user can observe the detection probe on the inner side of the detection frame 1 through the transparent plate 12. When impurities adhere to the transparent plate 12 and affect the observation effect, the user can move the magnetic plate 14 arranged on the front side of the transparent plate 12, thereby driving the magnetic plate 14 on the back side of the transparent plate 12 to move, so that the magnetic plate 14 drives the cleaning brush 15 to clean the back side of the transparent plate 12, thereby enhancing the user's observation effect.

[0047] The working principle of the method for intelligently detecting the life of a water purifier filter element provided by the present invention is as follows:

[0048] The PP cotton filter element, the front activated carbon filter element, the high-precision PP cotton filter element, the RO reverse osmosis membrane filter element and the rear activated carbon filter element of the water purifier are connected in series in sequence to ensure that the water flows through each filter element in sequence to form a complete filtration path. The infrared probe, the chloride ion probe, the microbial probe and the colorimetric probe are installed at the output end of the PP cotton filter element, the front activated carbon filter element, the high-precision PP cotton filter element and the RO reverse osmosis membrane filter element through the probe mounting seat. The water quality is detected by the installed infrared probe, the chloride ion probe, the microbial probe and the colorimetric probe to analyze whether the content of various substances in the water exceeds the standard. Then, the system accurately determines the use of the water purification core according to the function of the corresponding water purification core, so as to accurately prompt which water purification core should be replaced, and through the setting of the warning light, it plays the role of marking the filter element that needs to be replaced, which is convenient for the user to view intuitively and avoid replacing all the water purification cores. The detected data will be transmitted to the user's mobile terminal application or cloud server in real time through the wireless communication module. The user can view the status and water quality of each filter element anytime and anywhere through the mobile terminal.

[0049] Compared with the related art, the method for intelligently detecting the life of a water purifier filter element provided by the present invention has the following beneficial effects:

[0050] Through the installed infrared probes, chloride ion probes, microbial probes and colorimetric probes, when water flows through the connection between the filter elements, the probes will detect the content of impurities mainly filtered out by the previous filter element. If the content is too high, the corresponding external warning light will light up, thereby accurately determining which filter element has reached the end of its life or is damaged, thereby reminding the user to accurately replace a certain filter element, reducing the cost of replacing the filter element required by the user, and the operation is convenient and quick.

[0051] Second embodiment

[0052] Please refer to Figure 6 Based on the method for intelligently detecting the life of a water purifier filter cartridge provided in the first embodiment of the present application, the second embodiment of the present application proposes another method for intelligently detecting the life of a water purifier filter cartridge. The second embodiment is only a preferred method of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0053] Specifically, the second embodiment of the present application provides a method for intelligently detecting the life of a water purifier filter cartridge. The difference is that, in a method for intelligently detecting the life of a water purifier filter cartridge, slide rails 4 are fixedly installed on the top and bottom of the front side of the detection frame 1, and a protective plate 41 is slidably connected in the middle of the two slide rails 4. The protective plate 41 is arranged on the front side of the transparent plate 12, and a push plate 42 is fixedly installed on one end of the front side of the protective plate 41.

[0054] The working principle of the method for intelligently detecting the life of a water purifier filter element provided by the present invention is as follows:

[0055] After finishing observing the inner side of the detection frame 1, the user can push the push plate 42 so that the push plate 42 drives the protective plate 41 to slide on the inner side of the slide rail 4, thereby moving the protective plate 41 to the front of the transparent plate 12, thereby protecting the transparent plate 12.

[0056] Compared with the related art, the method for intelligently detecting the life of a water purifier filter element provided by the present invention has the following beneficial effects:

[0057] By cooperating with each other through structures such as the slide rail 4, the protective plate 41 and the push plate 42, the protective plate 41 can slide on the inner side of the slide rail 4 when in use, so that the protective plate 41 moves to the front of the transparent plate 12. In this way, the transparent plate 12 can be protected when not in use.

[0058] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A method for intelligently detecting the life of a water purifier filter element, characterized in that: The following steps are involved: S1. Filter element series setting: connect the PP cotton filter element, pre-activated carbon filter element, high-precision PP cotton filter element, RO reverse osmosis membrane filter element and post-activated carbon filter element of the water purifier in series in sequence to ensure that the water flows through each filter element in sequence to form a complete filtration path; S2. Installation of multiple types of probes: infrared probes, chloride ion probes, microbial probes and colorimetric probes are installed at the output ends of the PP cotton filter element, pre-activated carbon filter element, high-precision PP cotton filter element and RO reverse osmosis membrane filter element through the probe mounting seat; S3. Water quality detection and filter life judgment: The water quality is detected by installing infrared probes, chloride ion probes, microbial probes and colorimetric probes to analyze whether the content of various substances in the water exceeds the standard. Then the system accurately judges the use of the water purification core according to the function of the corresponding water purification core, so as to accurately prompt which water purification core should be replaced to avoid replacing all water purification cores; S4. Remote monitoring: The detected data will be transmitted to the user's mobile terminal application or cloud server in real time through the wireless communication module. The user can check the status of each filter and water quality anytime and anywhere through the mobile terminal.

2. The method for intelligently detecting the life of a water purifier filter cartridge according to claim 1, characterized in that: The infrared probe can scan visible large particles and carbon powder. When large particles are scanned, the diode connected at the back will light up, and the photoresistor will sense the light of the diode, causing the resistance of the photoresistor to decrease, thereby lighting up the warning light connected to the outer layer.

3. The method for intelligently detecting the life of a water purifier filter cartridge according to claim 1, characterized in that: The chloride ion probe generates a potential difference on both sides of the membrane. The size of the potential difference is proportional to the concentration of chloride ions. The concentration of chloride ions can be determined by measuring the potential difference. When the concentration exceeds the standard, the outer warning light will light up.

4. The method for intelligently detecting the life of a water purifier filter cartridge according to claim 1, characterized in that: The microbial probe emits light through a light source, and the photoelectric detection device receives the light that passes through the suspension and converts it into an electrical signal. The instrument calculates the turbidity value of the suspension based on the strength of the electrical signal, thereby reflecting the concentration of the microorganisms. When the concentration exceeds the standard, the outer warning light lights up.

5. The method for intelligently detecting the life of a water purifier filter cartridge according to claim 1, characterized in that: When water flows through the color developing probe, it absorbs some moisture, and when the color changes, the outer warning light is turned on.

6. The method for intelligently detecting the life of a water purifier filter cartridge according to claim 1, characterized in that: A probe mounting base is required in the step S2, and the probe mounting base includes a detection frame, a mounting groove is provided on the front side of the detection frame, a transparent plate is fixedly installed on the inner side of the mounting groove, mounting tubes are fixedly installed on both sides of the detection frame, one end of the outer side of one mounting tube is threadedly connected to a first sealing cover, and one end of the outer side of the other mounting tube is threadedly connected to a second sealing cover, a first threading hole is provided on one side of the second sealing cover, a first sealing ring is provided on the inner side of the second sealing cover, a baffle is provided on one side of the first sealing ring, a second threading hole is provided inside the baffle, a threaded ring is fixedly installed on one side of the baffle, a second sealing ring is provided on the inner side of the threaded ring, and the second sealing ring is attached to one side of the baffle, an inlet valve is fixedly installed on the top of the detection frame, and a water outlet valve is fixedly installed on the bottom of the detection frame.

7. A method for intelligently detecting the life of a water purifier filter cartridge according to claim 6, characterized in that: A connector is fixedly mounted on one end of the water inlet valve and the water outlet valve.

8. The method for intelligently detecting the life of a water purifier filter cartridge according to claim 7, characterized in that: Two slide grooves are provided at the top and the bottom of the inner side of the installation groove, and the inner side surfaces of the four slide grooves are slidably connected to two magnetic plates, and the two magnetic plates are respectively arranged on the front and back of the transparent plate.

9. A method for intelligently detecting the life of a water purifier filter element according to claim 8, characterized in that: A cleaning brush is fixedly mounted on one side of the magnetic plate, and one side of the cleaning brush is attached to the back side of the transparent plate.

10. A method for intelligently detecting the life of a water purifier filter cartridge according to claim 9, characterized in that: Slide rails are fixedly installed on the top and bottom of the front side of the detection frame, a protective plate is slidably connected between the two slide rails, the protective plate is arranged on the front side of the transparent plate, and a push plate is fixedly installed on one end of the front side of the protective plate.

Citation Information

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