Reverse osmosis (RO) water production system for direct drinking water

Abstract

The utility model discloses a direct drinking water RO (Reverse Osmosis) water production system, which belongs to the technical field of water production and water purification and comprises a water purification tank, a first filter screen placing barrel, a second filter screen placing barrel, a third filter screen placing barrel and a water storage tank, and the first filter screen placing barrel, the second filter screen placing barrel, the third filter screen placing barrel and the third filter screen placing barrel are fixedly connected in the water purification tank. Water flow channels are formed in the two sides of the first filter screen containing barrel, the two sides of the second filter screen containing barrel and the two sides of the third filter screen containing barrel correspondingly, a primary-effect filtering membrane is arranged in the first filter screen containing barrel in a sliding mode, and a high-efficiency filtering membrane is arranged in the second filter screen containing barrel in a sliding mode; water is sequentially filtered for three times through the primary filtering membrane, the high-efficiency filtering membrane and the RO filtering membrane, and the top cover of the placing barrel is driven to rotate and take out by rotating the top cover knob, so that the primary filtering membrane, the high-efficiency filtering membrane and the RO filtering membrane can be quickly replaced, and the operation is simple and convenient; unfiltered water containing impurities in the water purification tank can be observed through the visual window and can be discharged through the sewage discharge valve.

Description

Technical Field

[0001] The utility model relates to the technical field of water preparation and purification, in particular to a direct drinking water RO water preparation system. Background Art

[0002] With the increasing shortage of water resources and the increasingly serious water quality problems, people's demand for safe and healthy drinking water continues to grow. As an efficient and economical water purification solution, the direct drinking water RO water system is increasingly favored by the market.

[0003] The existing direct drinking water RO water system is not convenient for observing the filtering situation during use, and the filter screen does not change during the process. Multiple purification barrels are required to purify each item separately during the water purification process, which occupies a large area and has poor practicality. Utility Model Content

[0004] The utility model solves the technical problems in the above-mentioned background technology and provides a direct drinking water RO water making system.

[0005] In order to solve the above technical problems, the technical solution provided by the utility model is:

[0006] A direct drinking water RO water making system comprises a clean water tank, a first filter placement barrel is fixedly connected in the clean water tank, a second filter placement barrel is fixedly connected in the clean water tank, a third filter placement barrel is fixedly connected in the clean water tank, water flow channels are respectively arranged on both sides of the first filter placement barrel, the second filter placement barrel and the third filter placement barrel, a primary filter membrane slides in the first filter placement barrel, a high-efficiency filter membrane slides in the second filter placement barrel, an RO filter membrane slides in the third filter placement barrel, the tops of the first filter placement barrel, the second filter placement barrel and the third filter placement barrel are respectively threadedly connected to a placement barrel top cover, the top of the placement barrel top cover is fixedly connected to a top cover knob, a raw water inlet pipe is fixedly connected to the top of one side of the clean water tank, and an inlet solenoid valve is fixedly connected to the raw water inlet pipe.

[0007] Preferably, a clean water outlet pipe is fixedly connected to the bottom of one side of the clean water tank, one end of the clean water outlet pipe is fixedly connected to a water storage bucket, a water outlet solenoid valve is fixedly connected to the clean water outlet pipe, a clean water drain valve is fixedly connected to the top of one side of the water storage bucket, and a water level sensor is fixedly connected inside the water storage bucket.

[0008] Preferably, a mounting plate is fixedly connected to one side of the water storage bucket, a cover opening motor is fixedly connected to the mounting plate, a worm is fixedly connected to the output end of the cover opening motor, the worm is meshingly connected to a worm wheel, a connecting shaft is fixedly connected to the worm wheel, a bucket cover is fixedly connected to the connecting shaft, a connecting rod is rotatably connected to the bucket cover, one end of the connecting rod is fixedly connected to the mounting plate, and an ultraviolet sterilization lamp is fixedly connected to the bottom of the bucket cover.

[0009] Preferably, a visual window is provided on the clean water tank, a sewage drain valve is fixedly connected below the visual window, three groups of sewage drain valves are provided, and the three groups of visual windows are respectively located at the front end of the first filter placement barrel, the second filter placement barrel, and the third filter placement barrel.

[0010] Preferably, the first filter placement barrel, the second filter placement barrel, and the third filter placement barrel pass through the clean water tank, the placement barrel top cover is located above the clean water tank, the raw water inlet pipe is located on the side close to the first filter placement barrel, the second filter placement barrel is located behind the first filter placement barrel, and the third filter placement barrel is located behind the second filter placement barrel.

[0011] Preferably, the clean water outlet pipe is located on a side close to the third filter screen placement barrel, the water inlet solenoid valve, the water outlet solenoid valve, and the water level sensor are electrically connected, and the clean water outlet pipe is located at the bottom of one side of the water storage barrel.

[0012] Preferably, the ultraviolet sterilization lamps are provided in three groups, the connecting rod is L-shaped, the diameter of the barrel cover is consistent with the diameter of the water storage barrel, and a sealing strip is provided at the joint between the barrel cover and the water storage barrel.

[0013] With the above structure, the utility model has the following advantages:

[0014] 1. The utility model filters water three times in sequence through a primary filter membrane, a high-efficiency filter membrane, and a RO filter membrane, and by rotating the top cover knob to drive the top cover of the placement barrel to rotate and take it out, the primary filter membrane, the high-efficiency filter membrane, and the RO filter membrane can be quickly replaced. The operation is simple and convenient, and then the unfiltered water containing impurities in the clean water tank can be observed through the visual window, and it can be discharged through the sewage drain valve. When purifying water, the water flow channels are located on both sides, which can contact the primary filter membrane, the high-efficiency filter membrane, and the RO filter membrane over a larger area, and the water purification effect is better.

[0015] 2. The utility model is provided with a water level sensor. When the water level in the water storage barrel reaches a certain position, the water inlet solenoid valve and the water outlet solenoid valve can be closed to stop water production, thereby enhancing practicality. The ultraviolet sterilization lamp under the barrel cover can sterilize and disinfect the water purified from the clean water tank again, thereby ensuring the cleanliness of the water quality. By starting the cover opening motor to drive the worm to rotate, the connecting shaft drives the barrel cover to open, and the inside of the water storage barrel can be cleaned to prevent bacteria from growing due to long-term use.

[0016] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or technical descriptions will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 This is a structural schematic diagram of a direct drinking water RO water production system of the utility model;

[0019] Figure 2 This is a cross-sectional view of a direct drinking water RO water production system of the utility model;

[0020] Figure 3 This is a partial structural explosion diagram of a direct drinking water RO water production system of the utility model;

[0021] Figure 4 yes Figure 1 Enlarged view of point A in .

[0022] As shown in the figure: 1. Clean water tank; 2. First filter placement bucket; 3. Water flow channel; 4. Primary filter membrane; 5. Place bucket top cover; 6. Top cover knob; 7. Second filter placement bucket; 8. High efficiency filter membrane; 9. Third filter placement bucket; 10. RO filter membrane; 11. Raw water inlet pipe; 12. Water inlet solenoid valve; 13. Clean water outlet pipe; 14. Water storage bucket; 15. Water outlet solenoid valve; 16. Clean water drain valve; 17. Water level sensor; 18. Mounting plate; 19. Cover opening motor; 20. Worm; 21. Worm wheel; 22. Connecting shaft; 23. Bucket cover; 24. Connecting rod; 25. Visual window; 26. Sewage drain valve; 27. Ultraviolet sterilization lamp. DETAILED DESCRIPTION

[0023] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0024] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0025] The utility model is further described in detail below in conjunction with the full text:

[0026] Combined with Figures 1 to 4 A direct drinking water RO water making system comprises a clean water tank 1, a first filter placement barrel 2 is fixedly connected in the clean water tank 1, a second filter placement barrel 7 is fixedly connected in the clean water tank 1, a third filter placement barrel 9 is fixedly connected in the clean water tank 1, water flow channels 3 are respectively arranged on both sides of the first filter placement barrel 2, the second filter placement barrel 7 and the third filter placement barrel 9, a primary filter membrane 4 slides in the first filter placement barrel 2, a high-efficiency filter membrane 8 slides in the second filter placement barrel 7, and an RO filter membrane 10 slides in the third filter placement barrel 9, the tops of the first filter placement barrel 2, the second filter placement barrel 7 and the third filter placement barrel 9 are respectively threadedly connected with a placement barrel top cover 5, and the top of the placement barrel top cover 5 is fixedly connected with a top cover knob 6, and the clean water tank 1 comprises a first filter placement barrel 2, a second filter placement barrel 7 and a third filter placement barrel 9. A raw water inlet pipe 11 is fixedly connected to the top of one side of the water tank 1, and a water inlet solenoid valve 12 is fixedly connected to the raw water inlet pipe 11. The water is filtered three times in sequence through the primary filter membrane 4, the high-efficiency filter membrane 8, and the RO filter membrane 10. The top cover knob 6 is rotated to drive the top cover 5 of the placement barrel to rotate and take it out, so that the primary filter membrane 4, the high-efficiency filter membrane 8, and the RO filter membrane 10 can be quickly replaced. The operation is simple and convenient, and then the unfiltered water containing impurities in the clean water tank 1 can be observed through the visual window 25, and it can be discharged through the sewage drain valve 26. When purifying water, the water flow channel 3 is located on both sides, which can contact the primary filter membrane 4, the high-efficiency filter membrane 8, and the RO filter membrane 10 with a larger area, and the water purification effect is better.

[0027] Among them, a clean water outlet pipe 13 is fixedly connected to the bottom of one side of the clean water tank 1, one end of the clean water outlet pipe 13 is fixedly connected to a water storage bucket 14, a water outlet solenoid valve 15 is fixedly connected to the clean water outlet pipe 13, a clean water drain valve 16 is fixedly connected to the top of one side of the water storage bucket 14, a water level sensor 17 is fixedly connected in the water storage bucket 14, a mounting plate 18 is fixedly connected to one side of the water storage bucket 14, a cover opening motor 19 is fixedly connected to the mounting plate 18, a worm 20 is fixedly connected to the output end of the cover opening motor 19, the worm 20 is meshingly connected to a worm wheel 21, a connecting shaft 22 is fixedly connected to the worm wheel 21, and a barrel cover 23 is fixedly connected to the connecting shaft 22. The barrel cover 23 is rotatably connected with a connecting rod 24, one end of which is fixedly connected to the mounting plate 18, an ultraviolet sterilization lamp 27 is fixedly connected to the lower part of the barrel cover 23, a visual window 25 is provided on the clean water tank 1, a sewage drain valve 26 is fixedly connected to the lower part of the visual window 25, and the sewage drain valve 26 is provided with three groups, and the three groups of visual windows 25 are respectively located at the front end of the first filter placement barrel 2, the second filter placement barrel 7, and the third filter placement barrel 9, the first filter placement barrel 2, the second filter placement barrel 7, and the third filter placement barrel 9 penetrate the clean water tank 1, the placement barrel top cover 5 is located above the clean water tank 1, and the raw water inlet pipe 11 is located near the first filter placement barrel 2 On one side, the second filter placement bucket 7 is located behind the first filter placement bucket 2, the third filter placement bucket 9 is located behind the second filter placement bucket 7, the clean water outlet pipe 13 is located on the side close to the third filter placement bucket 9, the water inlet solenoid valve 12, the water outlet solenoid valve 15, and the water level sensor 17 are electrically connected, the water inlet solenoid valve 12, the water outlet solenoid valve 15, and the water level sensor 17 are commonly used in the art. Known technologies are only described without improvement in their use, so their internal structure and connection method are not described in detail, the clean water outlet pipe 13 is located at the bottom of one side of the water storage bucket 14, the ultraviolet sterilization lamp 27 is provided with three groups, the connecting rod 24 is in the shape of an L, and the barrel cover 23 The diameter is consistent with the diameter of the water storage barrel 14, and a sealing strip is provided at the joint between the barrel cover 23 and the water storage barrel 14. By arranging a water level sensor 17, when the water level in the water storage barrel 14 reaches a certain position, the water inlet solenoid valve 12 and the water outlet solenoid valve 15 can be closed to stop water production, thereby enhancing practicality. The ultraviolet sterilization lamp 27 under the barrel cover 23 can sterilize and disinfect the water purified from the clean water tank 1 again, thereby ensuring the cleanliness of the water quality. By starting the cover opening motor 19 to drive the worm 20 to rotate, the connecting shaft 22 drives the barrel cover 23 to open, and the inside of the water storage barrel 14 can be cleaned to prevent bacteria from growing due to long-term use.

[0028] Working principle of the utility model: when in use, first connect the raw water to the raw water inlet pipe 11 and flow into the clean water tank 1, the water enters the first filter screen through the water flow channel 3 and is placed in the barrel 2, then flows into the rear after being filtered by the primary filter membrane 4, then flows into the rear after being filtered by the high-efficiency filter membrane 8 again, and finally flows into the water storage barrel 14 through the clean water outlet pipe 13 after being filtered by the RO filter membrane 10, and the ultraviolet sterilization lamp 27 under the barrel cover 23 is turned on to sterilize the water in the water storage barrel 14, and after a period of time at one end of the disinfection, the purified water can be discharged through the clean water drain valve 16, at this time, the water level sensor 17 senses the water volume in the water storage barrel 14, and when the water volume reaches a certain water level, the water inlet solenoid valve 12 is closed to stop the water inlet purification, which can be seen through the visual window 25 Observe the condition of the unfiltered water in the clean water tank 1, and then discharge it through the sewage drain valve 26. When opening the sewage drain valve 26, it is necessary to close the water inlet solenoid valve 12 and the water outlet solenoid valve 15 to prevent raw water from entering and flowing back with the water in the water storage barrel 14. When cleaning and replacement are required, first close the water inlet solenoid valve 12 and the clean water outlet pipe 13, and drain the water in the clean water tank 1, rotate the top cover knob 6 to drive the placement barrel top cover 5 to rotate, take out the placement barrel top cover 5, and replace the primary filter membrane 4, high-efficiency filter membrane 8, and RO filter membrane 10, start the cover opening motor 19 to drive the worm 20 to rotate, and drive the connecting shaft 22 to rotate on the connecting rod 24 through the worm gear 21, so that the barrel cover 23 can be opened to clean the inside of the water storage barrel 14.

[0029] The above describes the utility model and its implementation methods, which is not restrictive. What is shown in the full text is only one of the implementation methods of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it, without departing from the purpose of the invention of the utility model, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the utility model.

Claims

1. A direct drinking water RO water production system, comprising a clean water tank (1), characterized in that: A first filter screen placement barrel (2) is fixedly connected to the clean water tank (1), a second filter screen placement barrel (7) is fixedly connected to the clean water tank (1), and a third filter screen placement barrel (9) is fixedly connected to the clean water tank (1). Water flow channels (3) are respectively provided on both sides of the first filter screen placement barrel (2), the second filter screen placement barrel (7), and the third filter screen placement barrel (9). A primary filter membrane (4) slides in the first filter screen placement barrel (2), and a high-efficiency filter membrane (4) slides in the second filter screen placement barrel (7). A filter membrane (8), an RO filter membrane (10) slides inside the third filter screen placement barrel (9), the tops of the first filter screen placement barrel (2), the second filter screen placement barrel (7), and the third filter screen placement barrel (9) are respectively threadedly connected to a placement barrel top cover (5), the top of the placement barrel top cover (5) is fixedly connected to a top cover knob (6), a raw water inlet pipe (11) is fixedly connected to the top of one side of the clean water tank (1), and a water inlet solenoid valve (12) is fixedly connected to the raw water inlet pipe (11).

2. A direct drinking water RO water production system according to claim 1, characterized in that: A clean water outlet pipe (13) is fixedly connected to the bottom of one side of the clean water tank (1), one end of the clean water outlet pipe (13) is fixedly connected to a water storage bucket (14), a water outlet solenoid valve (15) is fixedly connected to the clean water outlet pipe (13), a clean water drain valve (16) is fixedly connected to the top of one side of the water storage bucket (14), and a water level sensor (17) is fixedly connected inside the water storage bucket (14).

3. A direct drinking water RO water production system according to claim 2, characterized in that: A mounting plate (18) is fixedly connected to one side of the water storage bucket (14), a cover opening motor (19) is fixedly connected to the mounting plate (18), a worm (20) is fixedly connected to the output end of the cover opening motor (19), the worm (20) is meshingly connected to a worm wheel (21), a connecting shaft (22) is fixedly connected to the worm wheel (21), a bucket cover (23) is fixedly connected to the connecting shaft (22), a connecting rod (24) is rotatably connected to the bucket cover (23), one end of the connecting rod (24) is fixedly connected to the mounting plate (18), and an ultraviolet sterilization lamp (27) is fixedly connected below the bucket cover (23).

4. A direct drinking water RO water production system according to claim 3, characterized in that: The clean water tank (1) is provided with a visual window (25), and a sewage drainage valve (26) is fixedly connected below the visual window (25). The sewage drainage valve (26) is provided with three groups, and the three groups of visual windows (25) are respectively located at the front end of the first filter placement barrel (2), the second filter placement barrel (7), and the third filter placement barrel (9).

5. A direct drinking water RO water production system according to claim 4, characterized in that: The first filter placement barrel (2), the second filter placement barrel (7), and the third filter placement barrel (9) penetrate the clean water tank (1); the placement barrel top cover (5) is located above the clean water tank (1); the raw water inlet pipe (11) is located on a side close to the first filter placement barrel (2); the second filter placement barrel (7) is located behind the first filter placement barrel (2); and the third filter placement barrel (9) is located behind the second filter placement barrel (7).

6. A direct drinking water RO water production system according to claim 5, characterized in that: The clean water outlet pipe (13) is located on a side close to the third filter screen placement bucket (9); the water inlet solenoid valve (12), the water outlet solenoid valve (15), and the water level sensor (17) are electrically connected; and the clean water outlet pipe (13) is located at the bottom of one side of the water storage bucket (14).

7. A direct drinking water RO water production system according to claim 6, characterized in that: The ultraviolet sterilization lamps (27) are provided in three groups, the connecting rod (24) is L-shaped, the diameter of the barrel cover (23) is consistent with the diameter of the water storage barrel (14), and a sealing strip is provided at the joint between the barrel cover (23) and the water storage barrel (14).

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