CN210595492U - Prevent purifier of pure water TDS value rising - Google Patents
Prevent purifier of pure water TDS value rising Download PDFInfo
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- CN210595492U CN210595492U CN201920972785.7U CN201920972785U CN210595492U CN 210595492 U CN210595492 U CN 210595492U CN 201920972785 U CN201920972785 U CN 201920972785U CN 210595492 U CN210595492 U CN 210595492U
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Abstract
The utility model discloses a water purifier for preventing the TDS value of pure water from rising, which comprises a raw water inlet, wherein the raw water inlet is connected with a first electromagnetic valve and a booster pump in sequence; the booster pump is connected with the water inlet end of the RO filter element, and the concentrated water end of the RO filter element is connected to the waste discharge port through a concentrated water electromagnetic valve; the pure water end of the RO filter element is connected with the check valve and the high-voltage switch and then divided into two paths, one path is connected to the pure water tank through the second electromagnetic valve, the pure water tank is connected with the water outlet tap, and the other path is connected to the waste discharge port through the third electromagnetic valve. The utility model adds a pure water tank on the basis of the traditional large flux water purifier, the pure water is preserved in the pure water tank, and the water in the pure water tank can not be influenced when the concentrated water in the RO filter element diffuses.
Description
Technical Field
The utility model belongs to the technical field of water purification unit, in particular to prevent purifier of pure water TDS value rising.
Background
Traditional reverse osmosis water purification machines have water production capacity of 50 gallons per day, and water production capacity of 400 gallons, 800 gallons and even more than 1000 gallons is generally called as large-flux water purification machine, and the large-flux water purification machine improves certain performances and brings new problems in aspects of sanitation indexes and cost performance, so that a 'water retention' problem is generated.
The water flow channel of the prior reverse osmosis membrane filter element (RO filter element) has the following structure: raw water enters from one end of the filter element, the raw water is filtered from outside to inside, the filtered pure water flows out through the central tube, and the filtered concentrated water is arranged on the outer side of the central tube. The concentrated water at the concentrated water side of the reverse osmosis filter element contains high-concentration ions and organic matters which can be slowly diffused to the pure water side, and if the time is long enough, the concentrations at the two sides can reach balance. If the pure water is diffused overnight, the TDS value of the pure water in the pure water side is obviously increased, and if heavy metal ions in the raw water are more, the heavy metals in the pure water also exceed the standard, so that the water quality and the taste are greatly influenced.
When the large-flux water purifier works, the TDS at the pure water end is in a normal state, concentrated water at the RO membrane water inlet end can be gradually diffused to the pure water end when a user stops using, the diffusion time of the concentrated water starts to appear more than 5 minutes, water at the pure water end is generally determined according to the size of a membrane shell, about 500 plus 1000ml is generally generated, and the TDS value of first cup water after the water purifier works is restarted is higher.
Disclosure of Invention
The utility model aims at providing a can solve the purifier of the high problem on the high side of the first cup of water TDS value of big flux.
Therefore, the technical scheme of the utility model is that: a water purifier for preventing the TDS value of pure water from rising comprises a raw water inlet, wherein the raw water inlet is sequentially connected with a first electromagnetic valve and a booster pump; the booster pump is connected with the water inlet end of the RO filter element, and the concentrated water end of the RO filter element is connected to the waste discharge port through a concentrated water electromagnetic valve;
the method is characterized in that: the pure water end of the RO filter element is connected with a check valve and a high-pressure switch and then divided into two paths, one path is connected to a pure water tank through a second electromagnetic valve, the pure water tank is connected with a water outlet tap, and the other path is connected to a waste discharge port through a third electromagnetic valve; the booster pump further comprises a control module, and the control module controls the on-off of the first electromagnetic valve, the booster pump, the second electromagnetic valve and the third electromagnetic valve.
Preferably, the second electromagnetic valve controls the connection and disconnection between the pure water end of the RO filter element and the pure water tank, the third electromagnetic valve controls the connection and disconnection between the pure water end of the RO filter element and the waste discharge port, and the control module controls the flow direction of the pure water by controlling the connection and disconnection of the second electromagnetic valve and the third electromagnetic valve.
Preferably, a water pump and a pressure switch are arranged between the pure water tank and the water outlet faucet.
Preferably, the pure water tank is of a tank-shaped structure with an internal air bag.
When the water outlet faucet is opened, pure water at the pure water end of the RO filter element flows out of the water outlet faucet through the pure water tank; when the water outlet faucet is closed, pure water is stored in the pure water tank, and a passage with a pure water end of the RO filter element is disconnected; when the water outlet faucet is opened again, pure water in the pure water tank flows out from the water outlet faucet, meanwhile, pure water generated by the RO filter element is discharged from the waste discharge port, then, the passage of the pure water end of the RO filter element and the waste discharge port is disconnected, and the passage of the pure water end of the RO filter element and the pure water tank is connected.
When the water outlet faucet is opened, the first electromagnetic valve, the booster pump and the second electromagnetic valve are opened, the third electromagnetic valve is in a closed state, and pure water at the pure water end of the RO filter element firstly enters the pure water tank and then flows out of the water outlet faucet; when the water outlet faucet is closed, the high-pressure switch jumps, the first electromagnetic valve, the booster pump and the second electromagnetic valve are closed, and the passage between the RO filter element and the pure water tank is interrupted; when the water outlet faucet is opened again, the pure water in the pure water tank flows out from the water outlet faucet, meanwhile, the first electromagnetic valve, the booster pump and the third electromagnetic valve are opened, the second electromagnetic valve is in a closed state, and the pure water at the pure water end of the RO filter element is discharged from the waste discharge port; and then closing the third electromagnetic valve, and opening the second electromagnetic valve to normally work.
The utility model discloses increased a pure water case on the basis of traditional big flux purifier, the pure water flows from going out tap via the pure water case, closes out after the tap, and the water of RO filter core pure water end can't get into the pure water case through the second solenoid valve, can't influence the water of pure water incasement during the diffusion of the interior dense water of RO filter core, when the user is started once more and uses, the suction pump is opened, directly provides the user with the water that does not receive the influence in the pure water case and uses. Simultaneously, with the log raft of the pure water end that receives the dense water diffusion influence in the RO filter core after, be connected with the pure water case again, normally supply water, solve the problem that the first cup of water TDS value of large flux is on the high side through this kind of conversion mode.
The utility model discloses a if the pure water case is ordinary box, just need cooperate suction pump and pressure switch, when the second solenoid valve was closed, can take the water in the pure water case out for the use. Of course, the pure water tank can also be a small water storage tank with an air bag, and the water in the water tank can be pressed out by the pressure in the air bag. In actual production, one scheme can be selected according to factors such as cost, service life and the like.
Drawings
The following detailed description is made with reference to the accompanying drawings and embodiments of the present invention
Fig. 1 is a schematic structural diagram of the present invention.
Labeled as: the device comprises a raw water inlet 1, a preposed filter element 2, a first water inlet electromagnetic valve 3, a booster pump 4, an RO filter element 5, a concentrated water electromagnetic valve 6, a waste discharge port 7, a check valve 8, a high-pressure switch 9, a second water inlet electromagnetic valve 10, a pure water tank 11, a water suction pump 12, a pressure switch 13, a water outlet faucet 14 and a third water inlet electromagnetic valve 15.
Detailed Description
See the drawings. The water purifier comprises a raw water inlet 1, wherein the raw water inlet is connected with a front filter element 2 to primarily filter raw water, and the front filter element 2 is sequentially connected with a first water inlet electromagnetic valve 3 and a booster pump 4; the booster pump 4 is connected to the water inlet end of the RO filter element 5, and the concentrated water end of the RO filter element 5 is connected to the waste discharge port 7 through a concentrated water electromagnetic valve 6; a check valve 8 and a high-pressure switch 9 are arranged on a water path connected with a pure water end of the RO filter element 5, and then the water path is divided into two paths, one path is connected to a pure water tank 11 through a second water inlet electromagnetic valve 10, the pure water tank is connected to a water outlet faucet 14 through a water suction pump 12 and a pressure switch 13, and the other path is connected to a waste discharge port 7 through a third water inlet electromagnetic valve 15; the water pump also comprises a control module which controls the on-off of the first water inlet electromagnetic valve 3, the booster pump 4, the second water inlet electromagnetic valve 10 and the third water inlet electromagnetic valve 15.
The pure water case mainly used stores the first cup of water after restarting, need cooperate suction pump and pressure switch, and the suction pump can be taken out the water in the pure water case for the user to use. In practical use, the water storage tank with the air bag can replace a pure water tank, a water pump and a pressure switch, and water in the water storage tank can be pressed out by the pressure in the air bag.
Opening a water outlet faucet 14, performing primary filtration on raw water from a preposed filter element 2, allowing the raw water to enter an RO filter element 5 through a first water inlet electromagnetic valve 3 and a booster pump 4, allowing the pure water filtered by the RO filter element 5 to enter a pure water tank 11 through a check valve 8 and a second water inlet electromagnetic valve 10, and allowing the pure water to flow out of the water outlet faucet 14; the third water inlet solenoid valve 15 is in a closed state at this time.
The water outlet faucet 14 is closed, the water pressure of the pipeline rises, the high-voltage switch 9 jumps, the control module receives a high-voltage jump signal and then closes the first water inlet electromagnetic valve 3, the booster pump 4 and the second water inlet electromagnetic valve 10, the final pure water is stored in the pure water tank 11 and is not communicated with the pure water end of the RO filter element 5, the water at the pure water end cannot enter the water tank through the second water inlet electromagnetic valve, and the water in the pure water tank cannot be influenced when the concentrated water diffuses.
The water outlet faucet 14 is opened again, at this time, the second water inlet electromagnetic valve 10 is in a closed state, and pure water in the pure water tank 11 is pumped out by the water pump 12 and flows out from the water outlet faucet 14; meanwhile, raw water is primarily filtered from the preposed filter element 2, enters the RO filter element 5 through the first water inlet electromagnetic valve 3 and the booster pump 4, pure water filtered by the RO filter element 5 is discharged from the waste discharge port 7 through the check valve 8 and the third water inlet electromagnetic valve 15, and pure water influenced by concentrated water in the pure water end of the RO filter element is discharged; after 10 seconds (the specific flushing time can be determined according to actual conditions), the third water inlet electromagnetic valve 15 is closed, the second water inlet electromagnetic valve 10 is opened, and the whole machine starts to work normally.
Claims (4)
1. A water purifier for preventing the TDS value of pure water from rising comprises a raw water inlet, wherein the raw water inlet is sequentially connected with a first electromagnetic valve and a booster pump; the booster pump is connected with the water inlet end of the RO filter element, and the concentrated water end of the RO filter element is connected to the waste discharge port through a concentrated water electromagnetic valve;
the method is characterized in that: the pure water end of the RO filter element is connected with a check valve and a high-pressure switch and then divided into two paths, one path is connected to a pure water tank through a second electromagnetic valve, the pure water tank is connected with a water outlet tap, and the other path is connected to a waste discharge port through a third electromagnetic valve; the booster pump further comprises a control module, and the control module controls the on-off of the first electromagnetic valve, the booster pump, the second electromagnetic valve and the third electromagnetic valve.
2. The water purifier of claim 1, wherein the pure water comprises a water purifier body and a water outlet, wherein the water outlet is connected with the water outlet, and the water outlet is connected with the water outlet: the second electromagnetic valve controls the connection and disconnection of the RO filter element pure water end and the pure water tank, the third electromagnetic valve controls the connection and disconnection of the RO filter element pure water end and the waste discharge port, and the control module controls the flow direction of pure water by controlling the connection and disconnection of the second electromagnetic valve and the third electromagnetic valve.
3. The water purifier of claim 1, wherein the pure water comprises a water purifier body and a water outlet, wherein the water outlet is connected with the water outlet, and the water outlet is connected with the water outlet: a water pump and a pressure switch are arranged between the pure water tank and the water outlet tap.
4. The water purifier of claim 1, wherein the pure water comprises a water purifier body and a water outlet, wherein the water outlet is connected with the water outlet, and the water outlet is connected with the water outlet: the pure water tank is of a tank-shaped structure with an internal air bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920972785.7U CN210595492U (en) | 2019-06-26 | 2019-06-26 | Prevent purifier of pure water TDS value rising |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920972785.7U CN210595492U (en) | 2019-06-26 | 2019-06-26 | Prevent purifier of pure water TDS value rising |
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| Publication Number | Publication Date |
|---|---|
| CN210595492U true CN210595492U (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920972785.7U Active CN210595492U (en) | 2019-06-26 | 2019-06-26 | Prevent purifier of pure water TDS value rising |
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| CN (1) | CN210595492U (en) |
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- 2019-06-26 CN CN201920972785.7U patent/CN210595492U/en active Active
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