CN206476785U - A kind of water purifier - Google Patents

A kind of water purifier Download PDF

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Publication number
CN206476785U
CN206476785U CN201621132343.4U CN201621132343U CN206476785U CN 206476785 U CN206476785 U CN 206476785U CN 201621132343 U CN201621132343 U CN 201621132343U CN 206476785 U CN206476785 U CN 206476785U
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CN
China
Prior art keywords
concentrated water
filter core
counter
water
valve
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Withdrawn - After Issue
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CN201621132343.4U
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Chinese (zh)
Inventor
张细燕
秦利利
胡进华
李然
李一然
许�鹏
周栋
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN201621132343.4U priority Critical patent/CN206476785U/en
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Withdrawn - After Issue legal-status Critical Current
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Abstract

The utility model discloses a kind of water purifier, water purifier includes counter-infiltration filter core, in addition to:First rinses stream, and one end is connected with concentrated water outlet, the other end of counter-infiltration filter core with the water inlet of counter-infiltration filter core;Second rinses stream, and one end is connected with concentrated water outlet, the other end of counter-infiltration filter core with the water inlet of counter-infiltration filter core;Concentrated water discharge stream, one end and the concentrated water outlet of counter-infiltration filter core, the other end are used to concentrated water being discharged outside to, and concentrated water discharge stream is provided with the 3rd valve system for controlling its break-make;Reflow line, one end and the concentrated water outlet of counter-infiltration filter core, the other end are connected with the water inlet of counter-infiltration filter core, and reflow line is provided with the 4th valve system for controlling its break-make.It is arranged such, the water purifier that the utility model is provided, it can solve the problem of reverse osmosis membrane performance decay is very fast on the basis of the concentrated water rate of recovery is improved.

Description

A kind of water purifier
Technical field
The utility model is related to purifier technical field, more specifically to a kind of water purifier and its control method.
Background technology
Existing water purifier has that the concentrated water rate of recovery is low, the shortcoming more than concentrated water discharge, in order to realize water purifier water-saving result, one As high-recovery water purifier using reducing concentrated water discharge or by concentrated water partial reflux partial discharge.
Although however, both water treatment technologies improve the rate of recovery to a certain extent, having reached the purpose of water saving, It is that the concentration polarization on reverse osmosis membrane surface is serious, and reverse osmosis membrane can form CaCO3Small crystal nucleus, if CaCO can not timely be upset3 The formation of small crystal nucleus, fouling will be easy on reverse osmosis membrane surface, and reverse osmosis membrane performance decay accelerates, the life-span of reverse osmosis membrane It will be greatly affected.
Therefore, how on the basis of the concentrated water rate of recovery is improved, the problem of reverse osmosis membrane performance decay is very fast is solved, is turned into Those skilled in the art's important technological problems to be solved.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of water purifier, and it can improve the concentrated water rate of recovery On the basis of, solve the problem of reverse osmosis membrane performance decay is very fast.The purpose of this utility model is to provide a kind of above-mentioned water purifier Control method, by the control method equally can improve the concentrated water rate of recovery on the basis of, solve reverse osmosis membrane performance decline The problem of subtracting very fast.
A kind of water purifier that the utility model is provided, including counter-infiltration filter core, in addition to:
First rinses stream, one end and the concentrated water outlet, the other end and the reverse osmosis filter of the counter-infiltration filter core The water inlet connection of core, and the first flushing stream is provided with the first valve system for being used for controlling its break-make;
Second rinses stream, one end and the concentrated water outlet, the other end and the reverse osmosis filter of the counter-infiltration filter core The water inlet connection of core, the second flushing stream, which is provided with, to be used to control its break-make and can carry out the second valve of pulse-type drainage Door system;
Concentrated water discharge stream, one end and the concentrated water outlet of the counter-infiltration filter core, the other end are used to discharge concentrated water To extraneous, threeth valve system of the concentrated water discharge stream provided with its break-make of control;
Reflow line, one end and the concentrated water outlet of the counter-infiltration filter core, the other end and the counter-infiltration filter core Water inlet is connected, and the reflow line is provided with the 4th valve system for controlling its break-make.
Preferably, the concentrated water outlet of the counter-infiltration filter core is connected with concentrated water discharge main line, the counter-infiltration filter core and entered The mouth of a river is provided with into water main line, the concentrated water discharge main line and it is described enter water main line between be connected with:
Tie point, provided with the first scouring electromagnetic valve, stream is rinsed to form described first;
Second branch road, provided with the first normally opened concentrated water ratio, the second normally opened concentrated water when the second scouring electromagnetic valve, described second is normal Concentrated water ratio is opened with being connected after second scouring electromagnetic valve parallel connection with the described first normally opened concentrated water ratio, the second normally opened concentrated water ratio Delivery port be connected with the external world, stream where first normally opened the concentrated water ratio and second scouring electromagnetic valve forms described the Two rinse stream, and stream where the first normally opened concentrated water ratio and the second normally opened concentrated water ratio forms the concentrated water drainage and released Road;
3rd branch road, provided with the 3rd normally opened concentrated water ratio and return flow solenoid valve, to form the reflow line.
Preferably, the concentrated water outlet of the counter-infiltration filter core is connected with concentrated water discharge main line, the counter-infiltration filter core and entered The mouth of a river is provided with into water main line, the concentrated water discharge main line and it is described enter water main line between be connected with:
Tie point, it is normally opened provided with the first scouring electromagnetic valve, the second scouring electromagnetic valve, the first normally opened concentrated water ratio and second Concentrated water ratio, first scouring electromagnetic valve and the first normally opened concentrated water ratio are in parallel, second scouring electromagnetic valve and described Second normally opened concentrated water ratio is in parallel, and two parallel flow paths are in series, and first scouring electromagnetic valve and described second rinses electricity Stream where magnet valve forms described first and rinses stream, first scouring electromagnetic valve and the second normally opened concentrated water ratio or institute Stream where stating the second scouring electromagnetic valve and the first normally opened concentrated water ratio forms described second and rinses stream, and described first is normally opened Stream where concentrated water ratio and the second normally opened concentrated water ratio forms the concentrated water discharge stream;
Second branch road, provided with the 3rd normally opened concentrated water ratio and return flow solenoid valve, to form the reflow line.
Preferably, it is described enter water main line be provided with booster pump.
Preferably, in addition to be arranged on it is described enter water main line upstream the preposition filter core of at least one-level.
Preferably, in addition to be arranged on the counter-infiltration filter core pure water outlet downstream the rearmounted filter core of at least one-level.
The utility model additionally provides a kind of control method of water purifier, based on water purifier as described above, the water purification On machine after electricity, including step:
Stream conducting is rinsed in S1, the first valve system control described first, and the counter-infiltration filter core is rinsed;
S2, is rinsed after a seconds to the counter-infiltration filter core, and first valve system, second valve system are closed Close, the 4th valve system is closed, the 3rd valve system is opened, so that concentrated water drainage goes out the external world;
S3, concentrated water drainage go out it is extraneous b seconds after, second valve system, the 4th valve system open, the 3rd valve system close Close, so that a concentrated water part for the discharge of the counter-infiltration filter core is entered by the described second flushing stream to the counter-infiltration filter core Row is rinsed, another part is flow back into the counter-infiltration filter core by the reflow line;
S4, after second valve system, the 4th valve system are opened c seconds, second valve system, the 4th valve system System is closed, and the 3rd valve system is opened, and the concentrated water is discharged outside to;
S5, during the water purification mechanism pure water, repeating said steps S2, S3 and S4;
Wherein, a > 0, b > 0, c > 0.
Preferably, the water purification mechanism pure water time was reached after d hours, and first valve system is opened, described second Valve system, the 3rd valve system and the 4th valve system are closed, and the concentrated water of the counter-infiltration filter core exports the dense of outflow Water is rinsed by the described first flushing stream to the counter-infiltration filter core, and washing time was reached after e seconds, first valve System is closed, wherein, d > 0, e > 0.
Preferably, when the pressure in the pressure pot of the water purifier is more than preset high-pressure value, first valve system Open, second valve system, the 3rd valve system and the 4th valve system are closed, the concentrated water of the counter-infiltration filter core The concentrated water for exporting outflow is rinsed by the described first flushing stream to the counter-infiltration filter core, and washing time was reached after f seconds, First valve system is closed, wherein, f > 0.
Preferably, when the pressure in the pressure pot of the water purifier is less than pre-set low pressure value, first valve system Open, second valve system, the 3rd valve system and the 4th valve system are closed, the concentrated water of the counter-infiltration filter core The concentrated water for exporting outflow is rinsed by the described first flushing stream to the counter-infiltration filter core, and washing time was reached after g seconds, First valve system is closed, wherein, g >=0.
Preferably, in the step S3 and S4, into the counter-infiltration filter core raw water TDS values be less than predetermined low level when, Described b seconds is b1 seconds, and described c seconds is c1 seconds;Raw water TDS values into the counter-infiltration filter core are more than predetermined low level and are less than During default high level, described b seconds is b2 seconds, and described c seconds is c2 seconds;Raw water TDS values into the counter-infiltration filter core are more than default During high level, described b seconds is b3 seconds, and described c seconds is c3 seconds;Wherein, 0 < b1 < b2 < b3,0 < c1 < c2 < c3.
In the technical scheme that the utility model is provided, the concentrated water flowed out by counter-infiltration filter core can be in different processing stage point Not Jin Ru the first flushing stream, the second flushing stream, concentrated water discharge stream and reflow line handled.It is described in detail below: On water purifier after electricity, step is carried out:Stream conducting is rinsed in S1, the first valve system control first, and counter-infiltration filter core is carried out Rinse;S2, is rinsed after a seconds to counter-infiltration filter core, and the first valve system, the second valve system are closed, the 4th valve system Close, the 3rd valve system is opened, so that concentrated water drainage goes out the external world;S3, concentrated water drainage go out it is extraneous b seconds after, the second valve system, the 4th Valve system is opened, and the 3rd valve system is closed, so that a concentrated water part for the discharge of counter-infiltration filter core passes through the second rinse flow Road is rinsed to counter-infiltration filter core, another part is flow back into counter-infiltration filter core by reflow line;S4, the second valve system After system, the 4th valve system are opened c seconds, the second valve system, the 4th valve system are closed, and the 3rd valve system is opened, concentrated water It is discharged outside to;S5, during water purification mechanism pure water, repeat step S2, S3 and S4;Wherein, a > 0, b > 0, c > 0.
It is arranged such, the water purifier that the utility model is provided, counter-infiltration filter core is rinsed using pulsed and discontinuous is returned Flow control, can reduce concentrated water discharge, improve the system rate of recovery, while the filter membrane surface concentration polarization of counter-infiltration filter core can be slowed down, Extend membrane life.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of water purifier in the utility model the first embodiment;
Fig. 2 is the schematic diagram of water purifier in second of embodiment of the utility model;
Fig. 3 is the schematic diagram of water purifier in the utility model the third embodiment;
In Fig. 1-Fig. 3:
Counter-infiltration filter core -11, concentrated water discharge main line -12, enter water main line -13, tie point -14, the first flushing electricity Magnet valve -15, the second branch road -16, the first normally opened concentrated water ratio -17, the second normally opened concentrated water ratio -18, the second scouring electromagnetic valve - 19th, the 3rd branch road -20, the 3rd normally opened concentrated water ratio -21, return flow solenoid valve -22, booster pump -23, pressure pot -24.
Embodiment
The core of present embodiment is to provide a kind of water purifier, and it can improve the basis of the concentrated water rate of recovery On, solve the problem of reverse osmosis membrane performance decay is very fast.Another core of present embodiment is to provide a kind of above-mentioned net The control method of water dispenser, equally reverse osmosis membrane can be solved by the control method on the basis of the concentrated water rate of recovery is improved The problem of decaying very fast.
Hereinafter, embodiment is illustrated referring to the drawings.In addition, embodiments illustrated below is not to described in claim Utility model content play any restriction effect.In addition, the full content of the composition represented by example below is not limited to conduct Necessary to the solution of utility model described in claim.
It refer to Fig. 1-Fig. 3, a kind of water purifier that the present embodiment is provided, including counter-infiltration filter core 11, in addition to the first punching Wash stream, the second flushing stream, concentrated water discharge stream and reflow line.
Wherein, first stream one end and concentrated water outlet, the other end and the counter-infiltration filter core of counter-infiltration filter core 11 are rinsed 11 water inlet connection, and the first flushing stream is provided with the first valve system for being used for controlling its break-make.When the first valve system During opening, first rinses stream conducting, and the concentrated water that counter-infiltration filter core 11 is discharged can be expelled directly out and rinse stream stream by first It is back to counter-infiltration filter core 11 and the filter membrane to counter-infiltration filter core 11 is rinsed.
Second flushing stream one end enters with the concentrated water outlet, the other end and counter-infiltration filter core 11 of counter-infiltration filter core 11 The mouth of a river is connected, wherein, the second flushing stream, which is provided with, to be used to control its break-make and is capable of the second valve system of pulse-type drainage.Need It is noted that above-mentioned pulse-type drainage refers to, flushing current are pulse-type drainage, by being pressurized hydraulic pressure and unexpected release suddenly The mode of frequent transitions is rinsed to filter membrane.Above-mentioned second valve system can be made up of an electromagnetism concentrated water than valve, It can be made up of magnetic valve and normally opened concentrated water ratio valve.
Concentrated water discharge stream one end and the concentrated water outlet of counter-infiltration filter core 11, the other end are outer for concentrated water to be expelled to Boundary, concentrated water discharge stream is provided with the 3rd valve system for controlling its break-make.
Reflow line one end and the concentrated water outlet of counter-infiltration filter core 11, the other end enter water with counter-infiltration filter core 11 Mouth connection, and reflow line is provided with the 4th valve system for controlling its break-make.
It is arranged such, in the technical scheme that the present embodiment is provided, the concentrated water flowed out by counter-infiltration filter core 11 can be different Processing stage respectively enters the first flushing stream, the second flushing stream, concentrated water discharge stream and reflow line and handled.Specifically As described below:
On water purifier after electricity, step is carried out:Stream conducting is rinsed in S1, the first valve system control first, to counter-infiltration Filter core 11 is rinsed;S2, is rinsed after a seconds to counter-infiltration filter core 11, the first valve system, the second valve system close, 4th valve system is closed, and the 3rd valve system is opened, so that concentrated water drainage goes out the external world;S3, concentrated water drainage go out it is extraneous b seconds after, second Valve system, the 4th valve system are opened, and the 3rd valve system is closed, so that a concentrated water part for the discharge of counter-infiltration filter core 11 Counter-infiltration filter core 11 is rinsed by the second flushing stream, another part flows back into counter-infiltration filter core 11 by reflow line It is interior;S4, after the second valve system, the 4th valve system are opened c seconds, the second valve system, the 4th valve system are closed, and the 3rd Valve system is opened, and concentrated water is discharged outside to;S5, during water purification mechanism pure water, repeat step S2, S3 and S4;Wherein, a > 0, b > 0, c > 0.
It is arranged such, the water purifier that the present embodiment is provided, counter-infiltration filter core 11 is rinsed using pulsed and discontinuous is returned Flow control, can reduce concentrated water discharge, the system rate of recovery be improved, while can slow down the filter membrane surface concentration polarization of counter-infiltration filter core 11 Change, extend membrane life.
Refer to Fig. 1 and Fig. 2, the water purifier that the present embodiment is provided, above-mentioned first rinse stream, second rinse stream, it is dense Water drain flow path and the setting form of reflow line can state setting with specific as follows:
The concentrated water outlet of counter-infiltration filter core 11 be connected with concentrated water discharge main line 12, the water inlet of counter-infiltration filter core 11 be provided with into Water main line 13, concentrated water discharge main line 12 and enters and is connected with tie point 14, the second branch road 16 and the 3rd branch road between water main line 13 20, tie point 14, the second branch road 16 and the 3rd branch road 20 are parallel relationship.
Wherein, tie point 14 is provided with the first scouring electromagnetic valve 15, and stream is rinsed to form above-mentioned first.Second branch road 16 Provided with the first normally opened concentrated water than the 17, second normally opened concentrated water than 18 and second scouring electromagnetic valve 19, the second normally opened concentrated water is than 18 and Connected after the parallel connection of two scouring electromagnetic valve 19 with the first normally opened concentrated water than 17, the second delivery port of the normally opened concentrated water than 18 is connected with the external world Logical, the first normally opened concentrated water is than 17 and stream, the first normally opened concentrated water ratio are rinsed in the place stream formation second of the second scouring electromagnetic valve 19 17 and the place stream formation concentrated water discharge stream of the second normally opened concentrated water ratio 18.3rd branch road 20 is provided with the 3rd normally opened concentrated water than 21 Hes Return flow solenoid valve 22, to form reflow line.
It is arranged such, when electric on water purifier, the first scouring electromagnetic valve 15 is opened, and concentrated water is discharged from the first scouring electromagnetic valve 15 Counter-infiltration filter core 11 is rinsed, the first scouring electromagnetic valve 15 is powered off after rinsing a seconds, water purifier enters aqueous mode processed.
During water purification mechanism water, the first scouring electromagnetic valve 15 is powered off, and the second scouring electromagnetic valve 19 is powered off, and return flow solenoid valve 22 breaks Electricity, concentrated water is discharged from the first normally opened concentrated water than the 17, second normally opened concentrated water than 18, and interval is after b seconds, and the second scouring electromagnetic valve 19 leads to Electricity, return flow solenoid valve 22 is powered, and the normally opened concentrated water in concentrated water part first is discharged outside to than the 17, second scouring electromagnetic valve 19, portion The normally opened concentrated water of lease making the 3rd is back to the water inlet of counter-infiltration filter core 11 than 21, return flow solenoid valve 22.Interval is after c seconds, the second punching Wash magnetic valve 19 to power off, return flow solenoid valve 22 is powered off, concentrated water is discharged from the first normally opened concentrated water than the 17, second normally opened concentrated water than 18, So circulation.
It should be noted that above-mentioned first normally opened concentrated water than the 17, second normally opened concentrated water than 18 and the 3rd normally opened concentrated water compare 21, For a kind of title of pulse valve in the art, i.e., it can form pulse water flow.Made moreover, each above-mentioned concentrated water compares current Into resistance it is larger, if magnetic valve and normally opened concentrated water ratio are parallel connection, when magnetic valve and normally opened concentrated water ratio are opened simultaneously, current are excellent First flowed through from magnetic valve.
In addition, the water purifier that the present embodiment is provided can be double water outlet water purifiers, or single water outlet water purifier.
Certainly, the present embodiment provide water purifier, its first rinse stream, second rinse stream, concentrated water discharge stream and Reflow line can be configured as other forms, as shown in Figure 3:
Be with above example identical, the outlet of the concentrated water of counter-infiltration filter core 11 be equally connected with concentrated water discharge main line 12, The water inlet of counter-infiltration filter core 11 is provided with into water main line 13, concentrated water discharge main line 12 and is entered and is connected with first between water main line 13 The branch road 16 of road 14 and second, the branch road 16 of tie point 14 and second is parallel relationship.
Wherein, tie point 14 compares 17 provided with the first scouring electromagnetic valve 15, the second scouring electromagnetic valve 19, the first normally opened concentrated water And second normally opened concentrated water compare 18.
First scouring electromagnetic valve 15 and the first normally opened concentrated water ratio 17 are in parallel, and the second scouring electromagnetic valve 19 and second is normally opened dense Water is in parallel than 18, and two parallel flow paths are in series, the first scouring electromagnetic valve 15 and the place stream of the second scouring electromagnetic valve 19 Form first and rinse stream, the first scouring electromagnetic valve 15 and the second normally opened concentrated water ratio 18 or the second scouring electromagnetic valve 19 and first Normally opened concentrated water rinses streams than 17 place streams formation second, and the first normally opened concentrated water is than the stream where normally opened concentrated water ratio 18 of 17 and second Road forms concentrated water discharge stream.
Second branch road 16 provided with the 3rd normally opened concentrated water than 21 and return flow solenoid valve 22, to form reflow line.
It is arranged such,
When electric on water purifier, the first scouring electromagnetic valve 15 is powered, the second scouring electromagnetic valve 19 is powered, and concentrated water is rinsed through first Magnetic valve 15, the second scouring electromagnetic valve 19 are discharged and the filter membrane of counter-infiltration filter core 11 are rinsed, after rinsing a seconds, and first rinses Magnetic valve 15 is powered off, the second scouring electromagnetic valve 19 is powered off, and water purifier enters aqueous mode processed.
During water purification mechanism water, the first scouring electromagnetic valve 15 is powered off, and the second scouring electromagnetic valve 19 is powered off, and return flow solenoid valve 22 breaks Electricity, concentrated water is discharged outside to from the first normally opened concentrated water than the 17, second normally opened concentrated water than 18.Interval is after b seconds, the second scouring electromagnetic valve 19 are powered, and return flow solenoid valve 22 is powered, and the normally opened concentrated water in concentrated water part first is discharged than the 17, second scouring electromagnetic valve 19, part Through the 3rd normally opened concentrated water than in the backflow counter-infiltration of 21, return flow solenoid valve 22 filter core 11.Interval is after c seconds, the second scouring electromagnetic valve 19 Power-off, return flow solenoid valve 22 is powered off, and concentrated water is discharged outside to from the first normally opened concentrated water than the 17, second normally opened concentrated water than 18, so Circulation.
Or during water purification mechanism water, the first scouring electromagnetic valve 15 is powered off, the second scouring electromagnetic valve 19 is powered off, return flow solenoid valve 22 power-off, concentrated water is from the first normally opened concentrated water than the 17, second normally opened concentrated water than 18 discharges.Interval is after b seconds, the first scouring electromagnetic valve 15 It is powered, return flow solenoid valve 22 is powered, the first scouring electromagnetic valve of concentrated water part 15, the second normally opened concentrated water are partly passed through than 18 discharges 3rd normally opened concentrated water is back in counter-infiltration filter core 11 than 21, return flow solenoid valve 22.Interval is after c seconds, the first scouring electromagnetic valve 15 Power-off, return flow solenoid valve 22 is powered off, and concentrated water is discharged outside to from the first normally opened concentrated water than the 17, second normally opened concentrated water than 18, so Circulation.
In the preferred scheme of the present embodiment, enter water main line 13 provided with booster pump 23.Booster pump 23 can increase counter-infiltration The water entry pressure of filter core 11, improves filter efficiency and cleaning performance.
The water purifier that the present embodiment is provided, at least one is also provided with the upstream for entering water main line 13 of counter-infiltration filter core 11 The preposition filter core of level, such as can be provided with an active carbon filter core and super model filter core, under the pure water outlet of counter-infiltration filter core 11 Trip is equally also provided with least rearmounted filter core of one-level.In such manner, it is possible to effectively improve drainage effect.
The present embodiment additionally provides a kind of control method of water purifier, based on the water purifier being performed as described above in example, water purifier After upper electricity, including step:
Stream conducting is rinsed in S1, the first valve system control first, and counter-infiltration filter core 11 is rinsed;
S2, is rinsed after a seconds to counter-infiltration filter core 11, and the first valve system, the second valve system are closed, the 4th valve System is closed, and the 3rd valve system is opened, so that concentrated water drainage goes out the external world;
S3, concentrated water drainage go out it is extraneous b seconds after, the second valve system, the 4th valve system open, the 3rd valve system close, So that the discharge of counter-infiltration filter core 11 concentrated water a part by second flushing stream counter-infiltration filter core 11 is rinsed, it is another Part is flow back into counter-infiltration filter core 11 by reflow line;
S4, after the second valve system, the 4th valve system are opened c seconds, the second valve system, the 4th valve system are closed, 3rd valve system is opened, and concentrated water is discharged outside to;
S5, during water purification mechanism pure water, repeat step S2, S3 and S4;
Wherein, a > 0, b > 0, c > 0.
Be arranged such, the present embodiment provide water purifier control method, can improve the concentrated water rate of recovery on the basis of, Solve the problem of reverse osmosis membrane performance decay is very fast.The beneficial effect that the derivation of the beneficial effect is brought with above-mentioned water purifier The derivation of fruit is substantially the same, and is repeated no more herein.
In order to further improve the concentrated water rate of recovery, reduce the decay of reverse osmosis membrane performance, the water purification mechanism pure water time reaches d After hour, the first valve system is opened, and the second valve system, the 3rd valve system and the 4th valve system are closed, reverse osmosis filter The concentrated water of the concentrated water outlet outflow of core 11 is rinsed by the first flushing stream to counter-infiltration filter core 11, and washing time reaches e After second, the first valve system is closed, wherein, d > 0, e > 0.
Further, when the pressure in the pressure pot 24 of water purifier is more than preset high-pressure value, the first valve system is opened, Second valve system, the 3rd valve system and the 4th valve system are closed, the concentrated water of the concentrated water outlet outflow of counter-infiltration filter core 11 Counter-infiltration filter core 11 is rinsed by the first flushing stream, washing time was reached after f seconds, and the first valve system is closed, its In, f > 0.In this way, being rinsed to filter core for interruption, can effectively improve the concentrated water rate of recovery and the developing result to filter membrane.
In the further preferred scheme of the present embodiment, when the pressure in the pressure pot 24 of water purifier is less than pre-set low pressure value When, the first valve system is opened, and the second valve system, the 3rd valve system and the 4th valve system are closed, counter-infiltration filter core 11 Concentrated water outlet outflow concentrated water by first flushing stream counter-infiltration filter core 11 is rinsed, washing time was reached after g seconds, First valve system is closed, wherein, g >=0.
In addition, filter core can be rinsed according to the TDS values of raw water in the present embodiment, wherein, TDS values refer to dissolving Property solid total amount value, into counter-infiltration filter core 11 raw water TDS values be less than predetermined low level when, b second be b1 seconds, c seconds be c1 seconds; It is within b seconds b2 seconds when raw water TDS values into counter-infiltration filter core 11 are more than predetermined low level and are less than default high level, is within c seconds c2 seconds; When being more than default high level into the raw water TDS values of counter-infiltration filter core 11, it is within b second b3 seconds, is within c seconds c3 seconds;Wherein, 0 < b1 < b2 < b3,0 < c1 < c2 < c3.
It is arranged such, further increases the concentrated water rate of recovery, improves developing result to filter core.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein The General Principle of justice can in other embodiments be realized in the case where not departing from spirit or scope of the present utility model.Cause This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The most wide scope consistent with features of novelty.

Claims (6)

1. a kind of water purifier, including counter-infiltration filter core (11), it is characterised in that also include:
First rinses stream, one end and the concentrated water outlet, the other end and the reverse osmosis filter of the counter-infiltration filter core (11) The water inlet connection of core (11), and the first flushing stream is provided with the first valve system for being used for controlling its break-make;
Second rinses stream, one end and the concentrated water outlet, the other end and the reverse osmosis filter of the counter-infiltration filter core (11) The water inlet connection of core (11), the second flushing stream, which is provided with, to be used to control its break-make and can carry out the of pulse-type drainage Two valve systems;
Concentrated water discharge stream, one end and the concentrated water outlet of the counter-infiltration filter core (11), the other end are used to discharge concentrated water To extraneous, threeth valve system of the concentrated water discharge stream provided with its break-make of control;
Reflow line, one end and the concentrated water outlet of the counter-infiltration filter core (11), the other end and the counter-infiltration filter core (11) water inlet connection, and the reflow line is provided with the 4th valve system for controlling its break-make.
2. water purifier as claimed in claim 1, it is characterised in that the concentrated water outlet of the counter-infiltration filter core (11) is connected with dense Water discharge main line (12), the water inlet of the counter-infiltration filter core (11) are provided with into water main line (13), and the concentrated water discharges main line (12) and it is described enter water main line (13) between be connected with:
Tie point (14), provided with the first scouring electromagnetic valve (15), stream is rinsed to form described first;
Second branch road (16), provided with the first normally opened concentrated water ratio (17), the second normally opened concentrated water ratio (18) and the second scouring electromagnetic valve (19) with the described first normally opened concentrated water ratio after, the described second normally opened concentrated water ratio (18) is in parallel with second scouring electromagnetic valve (19) (17) connect, the delivery port of the second normally opened concentrated water ratio (18) is connected with the external world, the first normally opened concentrated water ratio (17) and Stream where second scouring electromagnetic valve (19) forms described second and rinses stream, the first normally opened concentrated water ratio (17) and institute Stream where stating the second normally opened concentrated water ratio (18) forms the concentrated water discharge stream;
3rd branch road (20), provided with the 3rd normally opened concentrated water ratio (21) and return flow solenoid valve (22), to form the reflow line.
3. water purifier as claimed in claim 1, it is characterised in that the concentrated water outlet of the counter-infiltration filter core (11) is connected with dense Water discharge main line (12), the water inlet of the counter-infiltration filter core (11) are provided with into water main line (13), and the concentrated water discharges main line (12) and it is described enter water main line (13) between be connected with:
Tie point (14), provided with the first scouring electromagnetic valve (15), the second scouring electromagnetic valve (19), the first normally opened concentrated water ratio (17) And the second normally opened concentrated water ratio (18), first scouring electromagnetic valve (15) and the first normally opened concentrated water ratio (17) be in parallel, Second scouring electromagnetic valve (19) and the second normally opened concentrated water ratio (18) are in parallel, and two parallel flow paths are in series, institute Stream where stating the first scouring electromagnetic valve (15) and second scouring electromagnetic valve (19) forms described first and rinses stream, described First scouring electromagnetic valve (15) and the second normally opened concentrated water ratio (18) or second scouring electromagnetic valve (19) and described Stream where one normally opened concentrated water ratio (17) forms described second and rinses stream, the first normally opened concentrated water ratio (17) and described second Stream where normally opened concentrated water ratio (18) forms the concentrated water discharge stream;
Second branch road (16), provided with the 3rd normally opened concentrated water ratio (21) and return flow solenoid valve (22), to form the reflow line.
4. water purifier as claimed in claim 2 or claim 3, it is characterised in that it is described enter water main line (13) be provided with booster pump (23).
5. water purifier as claimed in claim 4, it is characterised in that also including be arranged on it is described enter water main line (13) upstream extremely The preposition filter core of few one-level.
6. water purifier as claimed in claim 4, it is characterised in that the also pure water including being arranged on the counter-infiltration filter core (11) The rearmounted filter core of at least one-level of outlet downstream.
CN201621132343.4U 2016-10-17 2016-10-17 A kind of water purifier Withdrawn - After Issue CN206476785U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106277211A (en) * 2016-10-17 2017-01-04 珠海格力电器股份有限公司 A kind of water purifier and control method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106277211A (en) * 2016-10-17 2017-01-04 珠海格力电器股份有限公司 A kind of water purifier and control method thereof
CN106277211B (en) * 2016-10-17 2018-05-18 珠海格力电器股份有限公司 A kind of water purifier and its control method

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