Smart water purifier with water quality monitoring function

Abstract

The present invention is applied to the field of water treatment and provides an intelligent water purifier with a water quality monitoring function, comprising: a water purifier housing, a side sealing plate, a display module, a control module, a first filter module, a second filter module, an adapter module, a booster pump, a water inlet solenoid valve, a water path switching module, a conversion solenoid valve, a check valve, and a TDS sensor; the water path switching module comprises a first cavity and a second cavity, with a conversion solenoid valve disposed between the first and second cavities; the water inlet of the first filter module is connected to raw water, and the water outlet of the first filter module is connected to the first cavity; a water inlet solenoid valve is disposed between the water inlet of the booster pump and the first cavity; the water outlet of the booster pump is connected to the water inlet of the second filter module; a check valve is disposed between the purified water outlet of the second filter module and the second cavity; and the second cavity is connected to the water outlet. The present invention improves the versatility of the water purifier and the accuracy of the filter element service life assessment.

Description

Technical Field

[0001] The present invention relates to the field of water treatment, and in particular to an intelligent water purifier with a water quality monitoring function. Background Art

[0002] Most water purifiers can only provide a fixed amount of pure water, which cannot meet the needs of different water quality in different scenarios at home, and there are some limitations. They can often only provide a fixed amount of pure water, which makes it difficult to meet the diverse needs of different water quality in different scenarios at home. For example, some users may want mineral-rich water for cooking, while other users need ultrapure water for drinking or specific cleaning purposes. In addition, water purifiers in the prior art mostly use the method of replacing the filter element according to the service life, which cannot accurately assess the service life of the filter element. It is easy for the filter element to be replaced before it is fully utilized, resulting in certain losses. In addition, traditional water quality and pressure are monitored separately, which can easily introduce errors due to differences in sensors. Therefore, providing an intelligent water purifier that can simultaneously achieve different levels of water output control and water quality monitoring is a current difficulty. Summary of the Invention

[0003] In response to the above technical problems, the present invention provides an intelligent water purifier with water quality monitoring function, which is used to solve the problems of single water quality, inaccurate filter life assessment and water quality and pressure monitoring errors in the existing technology.

[0004] To achieve the above objectives, the following technical solutions are adopted:

[0005] The present invention provides an intelligent water purifier with a water quality monitoring function, comprising: a water purifier housing, a side sealing plate, a display module, a control module, a first filter module, a second filter module, a switching module, a booster pump, a water inlet solenoid valve, a water path switching module, a conversion solenoid valve, a check valve, and a TDS sensor; the water path switching module comprises a first cavity and a second cavity, and the conversion solenoid valve is provided between the first cavity and the second cavity;

[0006] The water inlet of the first filter module is connected to the raw water, and the water outlet of the first filter module is connected to the first cavity; the water inlet solenoid valve is provided between the water inlet of the booster pump and the first cavity; the water outlet of the booster pump is connected to the water inlet of the second filter module; the check valve is provided between the purified water outlet of the second filter module and the second cavity; the second cavity is connected to the water outlet;

[0007] Water outlet mode 1: open the water inlet solenoid valve, close the conversion solenoid valve, and output secondary filtered water at the water outlet. The TDS sensor is used to monitor the water quality of the secondary filtered water.

[0008] Water outlet mode 2: close the water inlet solenoid valve, open the conversion solenoid valve, and output the first-level filtered water at the water outlet. The TDS sensor is used to monitor the water quality of the first-level filtered water.

[0009] Optionally, the adapter module includes a water channel adapter plate, a first fixed cylinder, a second fixed cylinder and a fixed plate; the water channel adapter plate is provided with a raw water inlet hole, a first-level filter outlet hole, a booster water inlet hole, a booster water outlet hole, a second-level filter water inlet hole, a second-level filter purified water outlet hole and a second-level filter wastewater outlet hole from top to bottom; the booster water outlet hole is connected to the second-level filter water inlet hole;

[0010] The first fixed tube and the second fixed tube are sequentially arranged on the left side of the waterway adapter plate from top to bottom; the fixed plate is located on the left side of the first fixed tube and the second fixed tube, and is connected to the side walls of the first fixed tube and the second fixed tube;

[0011] The bottom of the first fixed cylinder is provided with the raw water inlet hole and the first-level filter outlet hole; the bottom of the second fixed cylinder is provided with the second-level filter inlet hole, the second-level filter purified water outlet hole and the second-level filter wastewater outlet hole; the boost water inlet hole and the boost water outlet hole are located between the first fixed cylinder and the second fixed cylinder.

[0012] Optionally, the first filter module is disposed inside the first fixed cylinder, the water inlet end of the first filter module is connected to the raw water inlet hole, and the water outlet end of the first filter module is connected to the primary filter outlet hole;

[0013] The booster pump is arranged on the upper side of the fixed plate, the water inlet end of the booster pump is connected to the booster water inlet hole, and the water outlet end of the booster pump is connected to the booster water outlet hole;

[0014] The second filter module is arranged inside the second fixed cylinder, the water inlet end of the second filter module is connected to the secondary filter water inlet hole, the clean water outlet end of the second filter module is connected to the secondary filter clean water outlet hole; the wastewater outlet end of the second filter module is connected to the secondary filter wastewater outlet hole.

[0015] Optionally, the water channel switching module is provided on the right side of the adapter module; the water channel switching module includes a first cavity and a second cavity arranged sequentially from top to bottom, the first cavity and the second cavity are arranged spaced apart, and the lower side of the first cavity is connected to the upper side of the second cavity; the conversion solenoid valve is provided at the interval between the first cavity and the second cavity, for connecting the first cavity and the second cavity;

[0016] The top of the first cavity is provided with a first water inlet hole, which is connected to the first-level filtered water outlet hole; the left side of the first cavity is connected to the water inlet solenoid valve, which is connected to the pressurized water inlet hole;

[0017] A second water inlet is provided on the lower left side of the second cavity, and the second water inlet is connected to the check valve; the check valve is connected to the secondary filtered water outlet; a monitoring hole is provided on the lower side of the second cavity, and the TDS sensor is provided in the monitoring hole; a water outlet is provided on the upper right side of the second cavity, and the water outlet is connected to the water outlet.

[0018] Optionally, the water purifier shell is a rectangular hollow shell with an opening on the right side, with a first opening and a second opening provided on its front side, and a water inlet, a water outlet, a wastewater outlet and a power connection port provided on its rear side; the display module is provided between the first opening and the second opening; the first opening corresponds to the position of the first fixed cylinder, and the second opening corresponds to the position of the second fixed cylinder; a first fixed cover is provided on the inner side of the first opening, and a second fixed cover is provided on the inner side of the second opening, and the fixed cover is rotatably connected to the opening; the fixed cover is used to lock the filter module.

[0019] Optionally, the TDS sensor integrates a pressure detection function; the display module is used to display the water quality and pressure of the first-level filtered water and the second-level filtered water.

[0020] Optionally, a 5μm PP cotton filter layer, a granular activated carbon filter layer and a 1μm PP cotton filter layer are provided inside the first filter module; and an RO reverse osmosis filter membrane is provided inside the second filter module.

[0021] Optionally, the control module is electrically connected to the display module, the boost pump, the water inlet solenoid valve, the conversion solenoid valve and the TDS sensor respectively, and is used for power supply and control of each module.

[0022] Compared with the prior art, the present invention has achieved the following technical effects:

[0023] 1. The setting method of the water channel switching module can realize the control of different levels of water output and water quality monitoring; the water output method is controlled by the display module, and users can choose to use primary filtered water (such as for washing vegetables, hands, etc.) or secondary filtered water (such as for direct drinking, etc.) according to their needs, which improves the use diversity of the water purifier and can be applied to more different life scenarios, enhancing the practicality and flexibility of the product.

[0024] 2. The second chamber in the waterway switching module flows into two types of water outlets, which can be used to monitor the water quality and pressure of both outlets. Therefore, only one water quality monitoring and pressure monitoring system is required. Compared with separate monitoring methods, the contrast is stronger and there is no error introduced by sensor differences. In addition, compared with the method of replacing filter elements according to service life, the use of TDS and pressure values ​​to push filter element replacement reminders improves the accuracy of filter element service life assessment and reduces losses caused by insufficient filter element use. Compared with the traditional method of replacing filter elements according to service life, it can more accurately grasp the actual usage of filter elements, rationally utilize filter elements, reduce waste, and lower operating costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A schematic diagram of the structure of an intelligent water purifier with a water quality monitoring function provided by one embodiment of the present invention;

[0026] Figure 2 A schematic diagram of the explosion structure of an intelligent water purifier with a water quality monitoring function provided by one embodiment of the present invention;

[0027] Figure 3 A schematic structural diagram of a transfer module and its connecting components in an intelligent water purifier with a water quality monitoring function provided by one embodiment of the present invention;

[0028] Figure 4 A schematic structural diagram of a transfer module in an intelligent water purifier with a water quality monitoring function provided by one embodiment of the present invention;

[0029] Figure 5 A schematic diagram of the structure of a water path switching module in an intelligent water purifier with a water quality monitoring function provided by one embodiment of the present invention;

[0030] Figure 6 A schematic diagram of the water flow of secondary filtered water in an intelligent water purifier with a water quality monitoring function provided by one embodiment of the present invention;

[0031] Figure 7 A schematic diagram of the water flow path of the first-stage filtered water in an intelligent water purifier with a water quality monitoring function provided by one embodiment of the present invention;

[0032] Figure 8 This is a schematic diagram of the structure of a TDS sensor in an intelligent water purifier with water quality monitoring function provided by one embodiment of the present invention.

[0033] Description of reference numerals:

[0034] 1. Water purifier housing; 2. Side sealing plate; 3. Display module; 4. Control module; 5. First filter module; 6. Second filter module; 7. Adapter module; 71. Waterway adapter plate; 711. Raw water inlet; 712. First filter outlet; 713. Booster inlet; 714. Booster outlet; 715. Second filter inlet; 716. Second filter clean water outlet; 717. Second filter waste water outlet; 72. First fixed cylinder; 73. Second fixed cylinder; 74. Fixed plate; 8. Booster pump; 9. Water inlet solenoid valve; 10. Waterway switching module; 101. First cavity; 102. Second cavity; 11. Conversion solenoid valve; 12. Check valve; 13. TDS sensor; 131. Sensor housing; 132. TDS probe; 133. Insulating disc; 134. Circuit board; 135. Elastic membrane; 136. Spring.

[0035] The purpose, features and advantages of the present invention will be further described with reference to the accompanying drawings and in conjunction with the embodiments. DETAILED DESCRIPTION

[0036] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0037] like Figures 1-8 As shown, an embodiment of the present invention provides an intelligent water purifier with a water quality monitoring function, comprising: a water purifier housing 1, a side sealing plate 2, a display module 3, a control module 4, a first filter module 5, a second filter module 6, an adapter module 7, a booster pump 8, a water inlet solenoid valve 9, a water path switching module 10, a conversion solenoid valve 11, a check valve 12, and a TDS sensor 13; the water path switching module 10 includes a first cavity 101 and a second cavity 102, and the conversion solenoid valve 11 is provided between the first cavity 101 and the second cavity 102;

[0038] The water inlet end of the first filter module 5 is connected to the raw water, and the water outlet end of the first filter module 5 is connected to the first cavity 101; the water inlet solenoid valve 9 is arranged between the water inlet end of the booster pump 8 and the first cavity 101; the water outlet end of the booster pump 8 is connected to the water inlet end of the second filter module 6; the check valve 12 is arranged between the purified water outlet end of the second filter module 6 and the second cavity 102 (the water flow direction is from the second filter module 6 to the second cavity 102); the second cavity 102 is connected to the water outlet.

[0039] Water outlet mode 1: open the water inlet solenoid valve 9, close the conversion solenoid valve 11, the water outlet outputs secondary filtered water, and the TDS sensor 13 is used to monitor the water quality of the secondary filtered water;

[0040] Water outlet mode 2: close the water inlet solenoid valve 9, open the conversion solenoid valve 11, and the water outlet outputs the first-level filtered water. The TDS sensor 13 is used to monitor the water quality of the first-level filtered water.

[0041] The waterway switching module of the present invention switches between different levels of water output by controlling the opening and closing states of the water inlet solenoid valve and the switching solenoid valve. For example, opening the water inlet solenoid valve and closing the switching solenoid valve outputs secondary filtered water, while closing the switching solenoid valve outputs primary filtered water. Furthermore, its unique structure allows both types of water to flow into the second chamber, facilitating water quality and pressure monitoring using a TDS sensor or other monitoring system, reducing errors caused by sensor differences and improving monitoring effectiveness.

[0042] Optionally, the adapter module 7 includes a water channel adapter plate 71, a first fixed cylinder 72, a second fixed cylinder 73, and a fixed plate 74; the water channel adapter plate 71 is provided with a raw water inlet hole 711, a first-level filter outlet hole 712, a booster water inlet hole 713, a booster water outlet hole 714, a second-level filter water inlet hole 715, a second-level filter purified water outlet hole 716, and a second-level filter wastewater outlet hole 717 in order from top to bottom; the booster water outlet hole 714 is connected to the second-level filter water inlet hole 715;

[0043] The first fixed cylinder 72 and the second fixed cylinder 73 are arranged in order from top to bottom on the left side of the waterway adapter plate 71; the fixed plate 74 is located on the left side of the first fixed cylinder 72 and the second fixed cylinder 73, and is connected to the side walls of the first fixed cylinder 72 and the second fixed cylinder 73;

[0044] The bottom of the first fixed cylinder 72 is provided with the raw water inlet hole 711 and the first-level filter outlet hole 712; the bottom of the second fixed cylinder 73 is provided with the second-level filter inlet hole 715, the second-level filter clean water outlet hole 716 and the second-level filter wastewater outlet hole 717; the boost water inlet hole 713 and the boost water outlet hole 714 are located between the first fixed cylinder 72 and the second fixed cylinder 73.

[0045] The adapter module 7 plays the role of water path transfer and the reasonable layout and connection of the main filtering, boosting and other components, ensuring that the raw water can flow through each component in sequence according to the predetermined water path, realizing different levels of filtration processes, and ensuring the normal operation of the entire water purifier. It is a key supporting structure for realizing different filtration functions and water path flow.

[0046] Optionally, the water channel adapter plate 71 , the first fixing cylinder 72 , the second fixing cylinder 73 and the fixing plate 74 are integrally formed to increase the overall structural strength of the adapter module 7 .

[0047] Optionally, the waterway adapter plate 71 has a rectangular shape.

[0048] Optionally, the first filter module 5 is disposed inside the first fixed cylinder 72 , the water inlet end of the first filter module 5 is connected to the raw water inlet hole 711 , and the water outlet end of the first filter module 5 is connected to the primary filter outlet hole 712 ;

[0049] The booster pump is arranged on the upper side of the fixing plate 74 , the water inlet end of the booster pump is connected to the booster water inlet hole 713 , and the water outlet end of the booster pump is connected to the booster water outlet hole 714 ;

[0050] The second filter module 6 is arranged inside the second fixed cylinder 73, the water inlet end of the second filter module 6 is connected to the secondary filter water inlet hole 715, the clean water outlet end of the second filter module 6 is connected to the secondary filter clean water outlet hole 716; the wastewater outlet end of the second filter module 6 is connected to the secondary filter wastewater outlet hole 717.

[0051] Optionally, the waterway switching module 10 is provided on the right side of the adapter module 7; the waterway switching module 10 includes a first cavity 101 and a second cavity 102 arranged sequentially from top to bottom, the first cavity 101 and the second cavity 102 are arranged at intervals, and the lower side of the first cavity 101 is connected to the upper side of the second cavity 102; the conversion solenoid valve 11 is provided at the interval between the first cavity 101 and the second cavity 102, for connecting the first cavity 101 and the second cavity 102;

[0052] A first water inlet is provided at the top of the first cavity 101, and the first water inlet is connected to the first-stage filtered water outlet 712; the left side of the first cavity 101 is connected to the water inlet solenoid valve 9, and the water inlet solenoid valve 9 is connected to the pressurized water inlet 713;

[0053] A second water inlet is provided on the lower left side of the second cavity 102, and the second water inlet is connected to the check valve 12; the check valve 12 is connected to the secondary filtered water outlet 716; a monitoring hole is provided on the lower side of the second cavity 102, and the TDS sensor 13 is provided in the monitoring hole; a water outlet is provided on the upper right side of the second cavity 102, and the water outlet is connected to the water outlet.

[0054] Optionally, the first cavity 101 and the second cavity 102 are rectangular cavities or square cavities.

[0055] Optionally, the water purifier shell 1 is a rectangular hollow shell with an opening on the right side, with a first opening and a second opening provided on its front side, and a water inlet, a water outlet, a wastewater outlet and a power connection port provided on its rear side; the display module 3 is provided between the first opening and the second opening; the first opening corresponds to the position of the first fixed cylinder 72, and the second opening corresponds to the position of the second fixed cylinder 73; a first fixed cover is provided on the inner side of the first opening, and a second fixed cover is provided on the inner side of the second opening, and the fixed cover is rotatably connected to the opening (the connection method includes a rotating locking member such as a thread); the fixed cover is used to lock the filter module.

[0056] Optionally, the adapter module 7 is arranged inside the water purifier housing 1; a wire hole is provided on the right side of the water channel adapter plate 71; and a plurality of limit blocks for fixing the adapter module 7 are provided on the inner plate of the water purifier housing 1.

[0057] Optionally, the first filter module 5 and the second filter module 6 are both provided with a concave handle on their outward sides to facilitate removal and replacement.

[0058] Optionally, the TDS sensor 13 integrates a pressure detection function. The TDS sensor 13 includes a sensor housing 131, a TDS probe 132, an insulating disc 133, a circuit board 134, an elastic membrane 135, and a spring 136. The sensor housing 131 is a hollow cylinder with an opening on one side. The insulating disc 133 is disposed on the open side, and an elastic membrane 135 is sealed between the insulating disc 133 and the opening. The circuit board 134 is disposed at the bottom of the inner side of the hollow cylinder. A spring 136 is disposed between the insulating disc 133 and the circuit board 134. The TDS probe 132 passes through the insulating disc 133 and is connected to the circuit board 134. An infrared ranging probe is disposed in the middle of the circuit board 134 for detecting the displacement of the insulating disc 133. Water pressure detection is achieved through the displacement of the insulating disc 133. The integrated pressure detection function of the TDS sensor 13 improves system integration, eliminating the need for an additional pressure monitoring module and pressure monitoring hole. The TDS sensor 13 can simultaneously detect water quality (reflected by TDS value) and pressure, providing key data support for judging the usage of the filter element. In addition, the integrated design improves the system integration level, eliminating the need for additional pressure monitoring modules and pressure monitoring holes, simplifying the equipment structure and reducing costs.

[0059] Optionally, the display module 3 is used to display the water quality and pressure of the first-level filtered water and the second-level filtered water.

[0060] Optionally, the secondary filtered wastewater outlet hole 717 is connected to a wastewater solenoid valve for discharging wastewater.

[0061] Optionally, the first filter module 5 is internally equipped with a 5μm PP cotton filter layer, a granular activated carbon filter layer, and a 1μm PP cotton filter layer; the second filter module 6 is internally equipped with an RO reverse osmosis filter membrane. The first filter module 5 performs preliminary filtration on the raw water, removing larger particulate impurities and some organic matter, preparing for subsequent further filtration. The second filter module 6 utilizes the characteristics of the RO reverse osmosis filter membrane to deeply purify the initially filtered water, producing purer secondary filtered water suitable for direct drinking and other scenarios. The two work together to achieve multi-stage filtration, ensuring that the water quality meets the needs of different scenarios.

[0062] Optionally, a wireless transmission module is provided inside the control module 4, and the external device can realize data interconnection with the control module 4 through the wireless transmission module.

[0063] Optionally, the control module 4 is electrically connected to the display module 3, the booster pump 8, the water inlet solenoid valve 9, the switching solenoid valve 11, and the TDS sensor 13. It is responsible for powering each module and coordinating overall control to ensure that each component works in a set mode, such as controlling the opening and closing of different solenoid valves to switch water outlet modes. The wireless transmission module facilitates the transmission of monitoring data and other information to external devices, allowing users to remotely receive important information such as filter replacement reminders.

[0064] Working principle of the intelligent water purifier with water quality monitoring function: install and fix the first filter module 5 and the second filter module 6;

[0065] Water outlet method 1 (such as Figure 6 As shown): Open the water inlet solenoid valve 9, close the conversion solenoid valve 11, and the raw water is filtered through the first filter module 5. The water after the first filter flows through the first cavity 101 and the booster pump 8 into the second filter module 6. The water after the second filter flows through the second cavity 102 and flows out through the water outlet;

[0066] Water outlet method 2 (such as Figure 7 As shown): Close the water inlet solenoid valve 9, open the conversion solenoid valve 11, and the raw water is filtered through the first filter module 5. The filtered water flows through the first cavity 101 and the second cavity 102 and flows out through the water outlet;

[0067] The water outlet mode is controlled by the display module (touch control). Users can choose to use primary filtered water (such as for washing vegetables, hands, etc.) or secondary filtered water (such as for direct drinking, etc.) according to their needs, thereby increasing the diversity of use of the water purifier.

[0068] Since two types of water flow into the second cavity 102, it can be used for water quality monitoring and pressure monitoring of the two types of water. Therefore, only one set of water quality monitoring and pressure monitoring systems is required. Compared with separate monitoring methods, the contrast is stronger and there is no error introduced by sensor differences.

[0069] By monitoring the water quality of the first and second filtered water, the user can determine the usage of the first and second filter modules 5 and 6. If the monitored water quality data exceeds the threshold, the user will be promptly reminded to replace the filter element. Because the first filter module 5 is directly connected to the raw water, it filters more impurities and its replacement cycle is shorter than that of the second filter module 6. Pressure monitoring can monitor the pressure changes of the filter element over long-term use to determine whether blockage has occurred. Replacement reminder method 1: When the pressure difference is greater than 0.5 bar and the TDS increases by 10%, a filter replacement reminder is pushed via Wi-Fi. Replacement reminder method 2: When the TDS increases by 20%, a filter replacement reminder is pushed via Wi-Fi, etc.

[0070] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not limiting. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. Intelligent water purifier with water quality monitoring function, including: Water purifier housing, side sealing plate, display module, control module, first filter module, second filter module, adapter module, booster pump, water inlet solenoid valve, water channel switching module, conversion solenoid valve, check valve and TDS sensor; characterized in that the water channel switching module includes a first cavity and a second cavity, and the conversion solenoid valve is provided between the first cavity and the second cavity; The water inlet of the first filter module is connected to the raw water, and the water outlet of the first filter module is connected to the first cavity; the water inlet solenoid valve is provided between the water inlet of the booster pump and the first cavity; the water outlet of the booster pump is connected to the water inlet of the second filter module; the check valve is provided between the purified water outlet of the second filter module and the second cavity; the second cavity is connected to the water outlet; Water outlet mode 1: open the water inlet solenoid valve, close the conversion solenoid valve, and output secondary filtered water at the water outlet. The TDS sensor is used to monitor the water quality of the secondary filtered water. Water outlet mode 2: close the water inlet solenoid valve, open the conversion solenoid valve, and output the first-level filtered water at the water outlet. The TDS sensor is used to monitor the water quality of the first-level filtered water.

2. The intelligent water purifier according to claim 1, characterized in that: in, The adapter module includes a water channel adapter plate, a first fixed cylinder, a second fixed cylinder and a fixed plate; the water channel adapter plate is provided with a raw water inlet, a first-level filter outlet, a booster water inlet, a booster water outlet, a second-level filter water inlet, a second-level filter purified water outlet and a second-level filter wastewater outlet from top to bottom; the booster water outlet is connected to the second-level filter water inlet; The first fixing cylinder and the second fixing cylinder are sequentially arranged on the left side of the waterway adapter plate from top to bottom; The fixing plate is located on the left side of the first fixing tube and the second fixing tube, and is connected to the side walls of the first fixing tube and the second fixing tube; The bottom of the first fixed cylinder is provided with the raw water inlet hole and the first-level filter outlet hole; the bottom of the second fixed cylinder is provided with the second-level filter inlet hole, the second-level filter purified water outlet hole and the second-level filter wastewater outlet hole; the boost water inlet hole and the boost water outlet hole are located between the first fixed cylinder and the second fixed cylinder.

3. The intelligent water purifier according to claim 2, characterized in that: in, The first filter module is arranged inside the first fixed cylinder, the water inlet end of the first filter module is connected to the raw water inlet hole, and the water outlet end of the first filter module is connected to the primary filter outlet hole; The booster pump is arranged on the upper side of the fixed plate, the water inlet end of the booster pump is connected to the booster water inlet hole, and the water outlet end of the booster pump is connected to the booster water outlet hole; The second filter module is arranged inside the second fixed cylinder, the water inlet end of the second filter module is connected to the secondary filter water inlet hole, the clean water outlet end of the second filter module is connected to the secondary filter clean water outlet hole; the wastewater outlet end of the second filter module is connected to the secondary filter wastewater outlet hole.

4. The intelligent water purifier according to claim 2, characterized in that: in, The waterway switching module is provided on the right side of the adapter module; the waterway switching module includes a first cavity and a second cavity arranged in sequence from top to bottom, the first cavity and the second cavity are arranged spaced apart, and the lower side of the first cavity is connected to the upper side of the second cavity; the conversion solenoid valve is provided in the spaced position between the first cavity and the second cavity, for connecting the first cavity and the second cavity; The top of the first cavity is provided with a first water inlet hole, which is connected to the first-level filtered water outlet hole; the left side of the first cavity is connected to the water inlet solenoid valve, which is connected to the pressurized water inlet hole; A second water inlet is provided on the lower left side of the second cavity, and the second water inlet is connected to the check valve; the check valve is connected to the secondary filtered water outlet; a monitoring hole is provided on the lower side of the second cavity, and the TDS sensor is provided in the monitoring hole; a water outlet is provided on the upper right side of the second cavity, and the water outlet is connected to the water outlet.

5. The intelligent water purifier according to claim 2, characterized in that: in, The water purifier shell is a rectangular hollow shell with an opening on the right side, with a first opening and a second opening provided on its front side, and a water inlet, a water outlet, a wastewater outlet and a power connection port provided on its rear side; the display module is provided between the first opening and the second opening; the first opening corresponds to the position of the first fixed cylinder, and the second opening corresponds to the position of the second fixed cylinder; a first fixed cover is provided on the inner side of the first opening, and a second fixed cover is provided on the inner side of the second opening, and the fixed cover is rotatably connected to the opening; the fixed cover is used to lock the filter module.

6. The intelligent water purifier according to claim 1, characterized in that: in, The TDS sensor integrates a pressure detection function; the display module is used to display the water quality and pressure of the first-level filtered water and the second-level filtered water.

7. The intelligent water purifier according to claim 1, characterized in that: in, A 5 μm PP cotton filter layer, a granular activated carbon filter layer and a 1 μm PP cotton filter layer are provided inside the first filter module; an RO reverse osmosis filter membrane is provided inside the second filter module.

8. The intelligent water purifier according to claim 1, characterized in that: in, The control module is electrically connected to the display module, the boost pump, the water inlet solenoid valve, the conversion solenoid valve and the TDS sensor respectively, and is used for power supply and control of each module.

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