CN209923045U - A new type of water purification device - Google Patents

Abstract

The utility model discloses a novel water purification device, a water storage device in which RO reverse osmosis membrane filters are arranged in parallel, the water storage device is connected with a micro-nano bubble generating device, and the water purification device includes a water storage process, a water outlet process and a water storage process purification process. The micro-nano bubble generating device regularly purifies the water storage device to further improve the water purification degree in the water storage device and provide users with higher quality drinking water.

Description

A new type of water purification device

technical field

The utility model relates to the technical field of water purifiers, in particular to a novel water purifying device.

Background technique

With the development of society, more and more people now put forward higher requirements for drinking water quality. The water purifier at this stage can improve the water quality to a certain extent, and through the addition of different modules, the degree of water purification is also different. For example, PP cotton filter element can filter solid substances such as sediment and rust, activated carbon can absorb residual chlorine and solid impurities, and RO membrane can remove heavy metal ions, filter bacteria, viruses and organic substances. However, the water production efficiency of the current water purifiers is not high, especially the high purification water purifiers containing RO membranes have lower water production efficiency. Therefore, in order to quickly provide a large amount of pure water when users need There will be water storage tanks. As we all know, the purification degree of RO membrane is not 100%, and the produced water may also contain many microorganisms. How to further improve the degree of purification of water in the water storage bucket is a technical problem to be solved urgently in this field.

SUMMARY OF THE INVENTION

The utility model provides a novel water purification device, which can further improve the water purification degree in the water storage device and provide users with higher-quality drinking water.

The technical solution provided by the present utility model is that a novel water purification device comprises a controller, a primary filter assembly and an RO reverse osmosis membrane filter connected in sequence through a water pipe, a water inlet and a direct drinking water inlet, the primary filter assembly Connected with the water inlet, the RO reverse osmosis membrane filter is connected with the direct drinking water inlet, a booster pump is provided on the water inlet side of the RO reverse osmosis membrane filter, and the RO reverse osmosis membrane filter is also connected with the RO reverse osmosis membrane. A water storage device with filters arranged in parallel, the water storage device is connected with a micro-nano bubble generating device, and the water storage device, the primary filter assembly and the RO reverse osmosis membrane filter are connected through an electromagnetic three-way valve, A first TDS probe is arranged between the water storage device and the electromagnetic three-way valve, a second electromagnetic valve is arranged on the water outlet side of the water storage device, and a second electromagnetic valve is arranged on the water inlet side of the direct drinking water outlet. Three solenoid valves, the booster pump, the first TDS probe, the electromagnetic three-way valve, the second solenoid valve, and the third solenoid valve are signal-connected to the controller, respectively.

Further, a second TDS probe is provided on the water outlet side of the RO reverse osmosis membrane filter.

Further, a high pressure switch is provided on the water outlet side of the second TDS probe, and the high pressure switch is signally connected to the controller. When the water pressure in the water storage device reaches the system set value, the The high pressure switch is disconnected; when the water pressure in the water storage device is lower than the system set value, the high pressure switch is closed.

Further, the water storage device is connected with a first waste water pipe, the first waste water pipe is connected with a first solenoid valve, and the first solenoid valve is signally connected with the controller.

Further, the RO reverse osmosis membrane filter is provided with a second waste water pipe, and the second waste water pipe is connected with a waste water ratio combination valve, and the waste water ratio combination valve adjusts the waste water ratio according to the opening size of the valve port. A ratio combination valve is signally connected to the controller.

Further, the water storage device and the micro-nano bubble generating device are connected by a hose, and the hose is provided with a one-way valve.

Further, the primary filter assembly includes a PP filter element and a pre-activated carbon filter element connected in sequence, a low pressure switch is arranged between the PP filter element and the water inlet, and a low-pressure switch is arranged between the PP filter element and the pre-activated carbon filter element. The water inlet solenoid valve, the low pressure switch and the water inlet solenoid valve are respectively connected with the controller in signal.

Compared with the prior art, the advantages and positive effects of the present utility model are:

The utility model proposes a novel water purification device, a water storage device in which RO reverse osmosis membrane filters are arranged in parallel, the water storage device is connected with a micro-nano bubble generating device, and the water purification device includes a water storage process, a water outlet process and a water storage purification process. process. The micro-nano bubble generating device regularly purifies the water storage device to further improve the water purification degree in the water storage device and provide users with higher quality drinking water.

Description of drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description The drawings are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative labor.

FIG. 1 is a schematic diagram of the principle structure of a novel water purification device according to an embodiment of the present invention.

Among them, 01-water pipe, 02-low pressure switch, 03-second waste water pipe, 04-PP filter element, 05-water inlet solenoid valve, 06-front activated carbon filter element, 07-electromagnetic three-way valve, 08-first waste water pipe , 09-first solenoid valve, 10-first TDS probe, 11-water storage device, 12-one-way valve, 13-hose, 14-micro-nano bubble generating device, 15-second solenoid valve, 16- Rear activated carbon filter element, 17-third solenoid valve, 18-high pressure switch, 19-second TDS probe, 20-booster pump, 21-RO reverse osmosis membrane filter, 22-wastewater ratio combination valve.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described above are a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

The utility model discloses a novel water purification device, referring to FIG. 1 , comprising a controller, a primary filter assembly and an RO reverse osmosis membrane filter 21 connected in sequence through a water pipe 01, a water inlet and a direct drinking water inlet, the primary filter assembly and the The water inlet is connected, the RO reverse osmosis membrane filter 21 is connected with the direct drinking water inlet, and a booster pump 20 is provided on the water inlet side of the RO reverse osmosis membrane filter 21 . It also includes a water storage device 11 arranged in parallel with the RO reverse osmosis membrane filter 21 , and the water storage device 11 is connected with a micro-nano bubble generating device 14 . The water storage device 11, the primary filter assembly and the RO reverse osmosis membrane filter 21 are connected through an electromagnetic three-way valve 07. A first TDS probe 10 is arranged between the water storage device 11 and the electromagnetic three-way valve 07, and the water storage device 11 A second solenoid valve 15 is provided on the water outlet side of the water inlet, a third solenoid valve 17 is provided on the water inlet side of the direct drinking water outlet, a booster pump 20, a first TDS probe 10, an electromagnetic three-way valve 07, and a second solenoid valve 15 and the third solenoid valve 17 are respectively connected with the controller signal.

The electromagnetic three-way valve 07 is used to control the communication or closing between the primary filter assembly and the RO reverse osmosis membrane filter 21 and between the water storage device 11 and the RO reverse osmosis membrane filter 21 . The second solenoid valve 15 is used to control the communication or closing between the water storage device 11 and the direct drinking water port. The third solenoid valve 17 is used to control the water outlet or stop of the direct drinking water outlet. The first TDS probe 10 is used to detect the TDS value of the purified water flowing out from the water storage device 11 . The controller is used to control the opening and closing of valves, sensors and other components in the entire water purification device.

Further, a second TDS probe 19 is provided on the water outlet side of the RO reverse osmosis membrane filter 21 , and the second TDS probe 19 is used to detect the TDS value of the purified water flowing out of the RO reverse osmosis membrane filter 21 . A high-pressure switch 18 is provided on the water outlet side of the second TDS probe 19, and the high-pressure switch 18 is signal-connected to the controller. When the water pressure in the water storage device 11 reaches the system set value, the high-pressure switch 18 is disconnected; When the water pressure in the device 11 is lower than the system set value, the high pressure switch 18 is closed. The water storage device 11 is connected with a first waste water pipe 08, the first waste water pipe 08 is connected with a first solenoid valve 09, and the first solenoid valve 09 is signal-connected to the controller. The first solenoid valve 09 is opened, and the waste water containing impurities in the upper layer of the water storage device 11 flows out from the first waste water pipe 08 to ensure the water quality in the water storage device 11 . The RO reverse osmosis membrane filter 21 is provided with a second waste water pipe 03, and the second waste water pipe 03 is connected with a waste water ratio combination valve 22. The waste water ratio combination valve 22 adjusts the waste water ratio according to the opening size of the valve port, and the waste water ratio combination valve 22 is connected with the control signal connection. The RO reverse osmosis membrane filter 21 itself needs to have pressure inside to produce purified water, that is to say, the second waste water pipe 03 is directly connected to the external water pipe. By adjusting the opening size of the second waste water pipe 03 to adjust the waste water ratio, It is the ratio of purified water to waste water, so when the waste water ratio combination valve 22 is fully opened, the water completely flows out from the second waste water pipe 03 . The water storage device 11 and the micro-nano bubble generating device 14 are connected by a hose 13 , and the hose 13 is provided with a one-way valve 12 to prevent the purified water in the water storage device 11 from flowing back into the micro-nano bubble generating device 14 .

The primary filter assembly includes a PP filter element 04 and a pre-activated carbon filter element 06 connected in sequence, a low pressure switch 02 is provided between the PP filter element 04 and the water inlet, and a water inlet solenoid valve 05 is provided between the PP filter element 04 and the pre-activated carbon filter element 06 , the low pressure switch 02 and the water inlet solenoid valve 05 are respectively connected with the controller signal. The PP filter element 04 is mainly used to filter out large particles of impurities such as rust and sand in the water. The pre-activated carbon filter element 06 is mainly used to remove residual chlorine, fine impurities and peculiar smell in the water. The RO reverse osmosis membrane filter 21 is mainly used to remove most of the of heavy metal ions, bacteria, viruses and organic matter. There is also a rear activated carbon filter element 16 on the water inlet side of the direct drinking water inlet, which is mainly used to increase the taste of the water.

A low pressure switch 02 is arranged between the PP filter element 04 and the water inlet. When the tap water is cut off or the PP filter element 04 is blocked, the low pressure switch 02 is disconnected when the pump is emptied, and an electrical signal is provided to the controller, and the water purification device stops water production.

There is a water inlet solenoid valve 05 between the PP filter element 04 and the front activated carbon filter element 06. When the water purification device starts to produce water, the water inlet solenoid valve 05 is opened, and the water inlet end flows into tap water; when the water purification device stops water production, The water inlet solenoid valve 05 is closed to cut off the water source of the system.

The above-mentioned water purification device includes a water storage process, a water outlet process, a water storage purification process, a self-washing process, and a water storage and waste discharge process, and the control methods of each process are described in detail below.

The control method of the water storage process is as follows: the water storage process refers to the process in which the purified water filtered by the primary filter assembly and the RO reverse osmosis membrane filter 21 flows into the water storage device 11 for water storage. Specifically, the electromagnetic three-way valve 07 opens the passage between the primary filter assembly and the RO reverse osmosis membrane filter 21, closes the passage between the RO reverse osmosis membrane filter 21 and the water storage device 11, and the second electromagnetic valve 15 is opened and the third solenoid valve 17 is closed, the tap water flowing in from the water inlet flows through the primary filter assembly, the booster pump 20, the RO reverse osmosis membrane filter 21, and the second solenoid valve 15 into the water storage device 11 in sequence. When the water pressure in the water storage device 11 reaches the system set value, the high pressure switch 18 is turned off, and the system stops storing water into the water storage device 11; when the water pressure in the water storage device 11 is lower than the system set value, the high pressure The switch 18 is closed, and the system stores water into the water storage device 11 . The water pressure in the water storage device 11 can be detected by a pressure sensor provided in the water storage device 11 .

The control method of the water outlet process is as follows: the water outlet process refers to the process of water outlet from the direct drinking water outlet for the user to use. Specifically, the electromagnetic three-way valve 07 opens the passage between the primary filter assembly and the RO reverse osmosis membrane filter 21, and closes the passage between the RO reverse osmosis membrane filter 21 and the water storage device 11, and the second electromagnetic valve 15 and the third solenoid valve 17 are opened, and the purified water in the water storage device 11 flows out from the direct drinking water outlet through the second solenoid valve 15 and the third solenoid valve 17 . When the user selects water, the purified water in the water storage device 11 supplies water to the direct drinking water outlet through the second solenoid valve 15 and the third solenoid valve 17, and when the water pressure in the water storage device 11 is lower than the system set value, the high pressure switch 18 is closed, and the purified water flowing out from the RO reverse osmosis membrane filter 21 enters the direct drinking water port through the third solenoid valve 17 . When the water pressure in the water storage device 11 is lower than the system setting value, it means that the water storage in the water storage device 11 is less at this time, which is not enough for the user's water demand, then the purified water flowing out from the RO reverse osmosis membrane filter 21 at this time. It plays a role in supplementing the water source to meet the water demand of users.

The control method of the water storage purification process is: the water storage purification process refers to the process of purifying the water in the water storage device 11. Specifically, the electromagnetic three-way valve 07 separates the primary filter assembly and the RO reverse osmosis membrane filter 21. The passage between the two is closed, the passage between the water storage device 11 and the RO reverse osmosis membrane filter 21 is opened, the waste water ratio combination valve 22 is fully opened, and the purified water in the water storage device 11 flows to the RO under the action of the booster pump 20. The reverse osmosis membrane filter 21 flows out from the second waste water pipe 03. As long as the first TDS probe 10 detects the TDS value of the purified water, the electromagnetic three-way valve 07 closes all passages. At this time, if the first TDS probe 10 detects If the TDS value exceeds the system setting value, the one-way valve 12 is opened, and the micro-nano bubble generating device 14 supplies the micro-nano bubbles to the water storage device 11 . When the bubbles rise in the water, they rub against the water and absorb bacteria, viruses and organic pollutants in the water. The suspended matter in the water is separated from the water due to the attraction of the air bubbles, and rises to the upper part of the water with the air bubbles. As the bubbles rise, the volume of the bubbles decreases, the internal pressure increases, and the rupture produces a large number of free radicals that are strongly oxidized and decomposed, removes heavy metal ions, kills bacteria, viruses and organic pollutants, etc., so as to purify the water in the water storage device 11. .

The system sets the interval start time T0 of the water storage purification process, and the controller will automatically start the water storage purification process every T0 time interval to purify the water in the water storage device regularly. In this embodiment, T0 is set to 3 days.

During the purification process, after the micro-nano bubble device 14 blows bubbles for T1 time into the water storage device 11, the controller controls the electromagnetic three-way valve 07 to open the passage between the RO reverse osmosis membrane filter 21 and the water storage device 11, The waste water ratio combination valve 22 is fully opened, and the purified water in the water storage device 11 flows to the RO reverse osmosis membrane filter 21 under the action of the booster pump 20. As long as the first TDS probe 10 detects the TDS value of the purified water, the electromagnetic three The pass valve 07 closes all the passages. At this time, if the TDS value detected by the first TDS probe 10 exceeds the system set value, it means that the water in the water storage device 11 does not meet the purification requirements, then the one-way valve 12 is opened, and the micro-nano bubbles The generating device 14 continues to supply micro-nano bubbles to the water storage device 11; if the TDS value detected by the first TDS probe 10 is less than the system set value, it means that the water in the water storage device 11 meets the purification requirements, and the one-way valve 12 is closed. , the micro-nano bubble generating device 14 stops supplying the micro-nano bubbles to the water storage device 11 .

The control method of the self-cleaning process is: the self-cleaning process refers to the process of using the water stored in the water storage device 11 to flush the RO reverse osmosis membrane filter 21. Specifically, when the TDS value detected by the second TDS probe 19 is If the system setting value is exceeded, it means that the water quality flowing out from the RO reverse osmosis membrane filter 21 does not meet the purification requirements, and the RO reverse osmosis membrane filter 21 needs to be washed and purified. The electromagnetic three-way valve 07 connects the primary filter assembly with the RO reverse osmosis membrane. The passage between the membrane filters 21 is closed, the passage between the water storage device 11 and the RO reverse osmosis membrane filter 21 is opened, the waste water ratio combination valve 22 is fully opened, and the purified water in the water storage device 11 is pumped by the booster pump 20. It flows to the RO reverse osmosis membrane filter 21 and flushes the RO reverse osmosis membrane filter 21, and the flushed waste water flows out from the second waste water pipe 03.

During the self-washing process, after the purified water in the water storage device 11 supplies water to the RO reverse osmosis membrane filter 21 for T2 time, the controller controls the electromagnetic three-way valve 07 to separate the primary filter assembly and the RO reverse osmosis membrane filter 21 between the primary filter assembly and the RO reverse osmosis membrane filter 21 Open the passage of the water storage device 11 and the RO reverse osmosis membrane filter 21, close the passage between the water storage device 11 and the RO reverse osmosis membrane filter 21, the waste water ratio combination valve 22 is at a certain waste water ratio opening position, and the second TDS probe 19 detects the RO reverse osmosis membrane The TDS value of the purified water flowing out of the filter 21, if the TDS value detected by the second TDS probe 19 exceeds the system setting value, it means that the water flowing out from the RO reverse osmosis membrane filter 21 does not meet the purification requirements, and the RO The reverse osmosis membrane filter 21 continues to be flushed, and the controller controls the electromagnetic three-way valve 07 to close the passage between the primary filter assembly and the RO reverse osmosis membrane filter 21, and connect the water storage device 11 to the RO reverse osmosis membrane filter 21. The passage between the two is opened, the waste water ratio combination valve 22 is fully opened, the water storage device 11 continues to supply water to the RO reverse osmosis membrane filter 21, and continues to flush the RO reverse osmosis membrane filter 21; The TDS value is less than the system setting value, indicating that the water flowing out from the RO reverse osmosis membrane filter 21 meets the purification requirements, the electromagnetic three-way valve 07 closes all the passages, the waste water ratio combination valve 22 is at a certain waste water ratio opening position, and the water storage device 11 The water supply to the RO reverse osmosis membrane filter 21 is stopped, and the flushing of the RO reverse osmosis membrane filter 21 is stopped.

The control method of the water storage and waste discharge process is: after a period of time, the water in the water storage device 11 will accumulate some impurities on the upper layer. The degree of purification of the water in the device 11. Specifically, after the new water purification device has undergone N times of water storage and purification processes, the controller automatically starts the water storage and waste discharge process, the first solenoid valve 09 is opened, and the waste water containing impurities in the upper layer of the water storage device 11 flows out from the first waste water pipe 08 . The method for stopping the water storage and waste discharge process is as follows: set the waste discharge time T3, and automatically close the water storage and waste discharge process after the waste discharge time T3 has elapsed after the water storage and waste discharge process is turned on.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, but not to limit them; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the spirit of the technical solutions of the embodiments of the present invention and range.

Claims (7)

1. A novel water purification device, comprising a controller, a primary filter assembly and an RO reverse osmosis membrane filter, a water inlet and a direct drinking water inlet connected in turn by a water pipe, and the primary filter assembly is connected with the water inlet, The RO reverse osmosis membrane filter is connected with the direct drinking water inlet, and the water inlet side of the RO reverse osmosis membrane filter is provided with a booster pump, characterized in that it also includes a parallel connection with the RO reverse osmosis membrane filter The provided water storage device, the water storage device is connected with a micro-nano bubble generating device, the water storage device, the primary filter assembly and the RO reverse osmosis membrane filter are connected through an electromagnetic three-way valve, and the storage device is connected through an electromagnetic three-way valve. A first TDS probe is arranged between the water device and the electromagnetic three-way valve, a second electromagnetic valve is arranged on the water outlet side of the water storage device, and a third electromagnetic valve is arranged on the water inlet side of the direct drinking water outlet , the booster pump, the first TDS probe, the electromagnetic three-way valve, the second electromagnetic valve and the third electromagnetic valve are respectively connected with the controller in signal. 2 . The novel water purification device according to claim 1 , wherein a second TDS probe is provided on the water outlet side of the RO reverse osmosis membrane filter. 3 . 3 . The novel water purification device according to claim 2 , wherein a high-voltage switch is provided on the water outlet side of the second TDS probe, and the high-voltage switch is signal-connected to the controller. When the water pressure in the water device reaches the system set value, the high pressure switch is turned off; when the water pressure in the water storage device is lower than the system set value, the high pressure switch is closed. 4. The novel water purification device according to claim 3, wherein the water storage device is connected with a first waste water pipe, the first waste water pipe is connected with a first solenoid valve, and the first solenoid valve is connected with The controller signal connection. 5. The novel water purification device according to claim 4, wherein the RO reverse osmosis membrane filter is provided with a second waste water pipe, and the second waste water pipe is connected with a waste water ratio combination valve, and the waste water ratio is The combination valve adjusts the waste water ratio according to the opening size of the valve port, and the waste water ratio combination valve is signally connected to the controller. 6 . The novel water purification device according to claim 5 , wherein the water storage device and the micro-nano bubble generating device are connected by a hose, and the hose is provided with a one-way valve. 7 . 7 . The novel water purification device according to claim 6 , wherein the primary filter assembly comprises a PP filter element and a pre-activated carbon filter element connected in sequence, and a low pressure is provided between the PP filter element and the water inlet. 8 . A water inlet solenoid valve is arranged between the PP filter element and the pre-activated carbon filter element, and the low pressure switch and the water inlet solenoid valve are respectively connected to the controller with signals.

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