CN206666253U

CN206666253U - Water purifier and water cleaning systems

Info

Publication number: CN206666253U
Application number: CN201720288090.8U
Authority: CN
Inventors: 杨旅
Original assignee: Midea Group Co Ltd; Foshan Shunde Midea Water Dispenser Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; Foshan Shunde Midea Water Dispenser Manufacturing Co Ltd
Priority date: 2017-03-22
Filing date: 2017-03-22
Publication date: 2017-11-24
Anticipated expiration: 2027-03-22

Abstract

The utility model discloses a kind of water purifier and water cleaning systems, wherein, the water purifier includes：Membrane cartridge, there is the water inlet connected with raw water tubes, the pure water mouth connected with DI and the waste water mouth connected with waste pipe；Return valve, its water inlet end connect with the waste water mouth of membrane cartridge, and its water side connects with the water inlet of membrane cartridge；First TDS detectors, are installed on raw water tubes, to detect the raw water DS values by raw water tubes；Controller, it is electrically connected with respectively with return valve and the first TDS detectors；The result that controller detects according to the first TDS values adjusts the aperture of return valve.So that from the waste water of membrane cartridge discharge, some reenters in membrane cartridge and filtered, so as to improve the utilization rate of water.

Description

Water purifier and water cleaning systems

Technical field

Technical field of water purification is the utility model is related to, more particularly to a kind of water purifier and water cleaning systems.

Background technology

Existing water purifier generally includes the parts such as preposition filter core, membrane cartridge, rearmounted filter core；Wherein, membrane cartridge is water purification The core parts of device, the membrane cartridge are reverse osmosis membrane filter element, also known as spiral wound reverse osmosis membrane filter element, and the membrane cartridge uses cross-flow Filtering, it can also produce waste water while water purification is produced.

The waste discharge water of the membrane cartridge of existing water purifier is fixed, however, when the water inlet TDS values of membrane cartridge are higher When, namely the water inlet salt of membrane cartridge is higher, so may result in effluent underfed, and then easily cause the anti-of membrane cartridge The fouling of permeable membrane pellicle and blocked；When the water inlet TDS values of membrane cartridge are relatively low, the waste discharge water-carrying capacity of membrane cartridge is relatively large, Thus can waste water resource, cause water resource waste.

Utility model content

Main purpose of the present utility model is to propose a kind of water purifier, it is intended to improves the utilization rate of water.

To achieve the above object, the utility model proposes a kind of water purifier, it includes：

Membrane cartridge, there is the water inlet connected with raw water tubes, the pure water mouth connected with DI and connected with waste pipe Waste water mouth；

Return valve, the water inlet end of the return valve are connected with the waste water mouth of the membrane cartridge, and the backflow is adjusted The water side of section valve connects with the water inlet of the membrane cartridge；

First TDS detectors, the raw water tubes are installed on, to detect the raw water DS values by the raw water tubes；And

Controller, it is electrically connected with respectively with the return valve and the first TDS detectors；The controller is according to The result of first TDS values detection adjusts the aperture of the return valve.

Preferably, the waste water regulating valve being electrically connected with the controller is provided with the waste pipe and the 2nd TDS is examined Device is surveyed, the result that the controller detects according to the 2nd TDS detectors adjusts the aperture of the waste water regulating valve.

Preferably, the water purifier also includes preposition filter core, and the water inlet of the preposition filter core connects with water source, before described The delivery port for putting filter core connects with the water inlet end of the raw water tubes.

Preferably, the water purifier also includes booster pump, the water inlet end of the booster pump and the raw water tubes and described time The water side of stream regulating valve connects, and the water side of the booster pump connects with the water inlet of the membrane cartridge.

Preferably, the water purifier also includes rearmounted filter core, the water inlet of the rearmounted filter core and going out for the DI Water end (W.E.) connects.

Preferably, the water purifier also includes：

Water intaking valve, it is installed on the raw water tubes；

Catch basin, it is connected with the water side of the DI；And

First detection piece, be electrically connected with the controller, and first detection piece located at connect the DI and On the pipeline of catch basin, controller water intaking valve ON/OFF according to the output control that first detection piece detects.

Preferably, the catch basin is pressurized tank, and first detection piece is pressure switch, and the controller is according to The ON/OFF of pressure switch described in the output control of pressure switch detection.

Preferably, the water purifier also includes the second detection piece being electrically connected with controller, and second detection piece Between the water pump and external outlet；The controller with according to second detection piece detect output control described in Water pump ON/OFF.

Preferably, the water purifier also include with the controller be electrically connected with flow-limiting valve, the flow-limiting valve with it is described Water pump is arranged in parallel；Unlatching/closing of controller flow-limiting valve according to the output control that second detection piece detects.

The utility model also proposes a kind of water cleaning systems, and the water cleaning systems also include, and the water purifier includes：

Return valve, the water inlet end of the return valve connect with the waste water mouth, state the water outlet of return valve End connects with the water inlet；

First TDS detectors, the raw water tubes are installed on, to detect the TDS values of the raw water by the raw water tubes；With And

Controller, it is electrically connected with respectively with the return valve and the first TDS detectors；The controller is described When one TDS detectors detect that raw water TDS values are more than the first preset value, the aperture of the return valve is controlled to increase；It is described Controller controls the return valve when the first TDS detectors detect that raw water TDS values are less than the first preset value Aperture reduces or keeps constant.

The utility model is also set by setting the first TDS detectors to detect into the raw water TDS values in membrane cartridge Put return valve to connect the waste water mouth of membrane cartridge with water inlet so that controller can detect according to the first TDS detectors Raw water TDS values control the aperture of return valve, so that the waste water discharged from the waste water mouth of membrane cartridge some Reenter in membrane cartridge and filtered, the water for so allowing for entering in membrane cartridge can be filtered sufficiently, so as to carry The high utilization rate of water.

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 required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only It is some embodiments of the 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 the structure shown in these accompanying drawings.

Fig. 1 is the structural representation of the embodiment of the utility model water purifier one；

Fig. 2 is the structural representation of another embodiment of the utility model water purifier；

Fig. 3 is the structural representation of the another embodiment of the utility model water purifier.

Drawing reference numeral explanation：

Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than all Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise Lower obtained every other embodiment, belong to the scope of the utility model protection.

If it is to be appreciated that related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding, Afterwards ...), then directionality instruction be only used for explain it is relative between each part under a certain particular pose (as shown in drawings) Position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes therewith.

If, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment Two " etc. description is only used for describing purpose, and it is not intended that instruction or implying its relative importance or implicit indicating meaning The quantity of the technical characteristic shown.Thus, " first " is defined, the feature of " second " can express or implicitly include at least one Individual this feature.In addition, the technical scheme between each embodiment can be combined with each other, but must be with ordinary skill Personnel can be implemented as basis, and this technical side is will be understood that when the combination appearance of technical scheme is conflicting or can not realize The combination of case is not present, also not within the protection domain of the requires of the utility model.

In order to improve the utilization rate of water, the utility model proposes a kind of new water purifier, refer to Fig. 1, and Fig. 1 shows this The structural representation of one embodiment of the water purifier of utility model.

The water purifier 100 include membrane cartridge 1, return valve 2, the first TDS detectors 3, controller (not shown) and Miscellaneous part.

Above-mentioned membrane cartridge 1 has water inlet a, pure water mouth b and waste water mouth c；Its water inlet a connects with raw water tubes, namely Connected with running water pipe；Its pure water mouth b is connected with DI, and is flowed into water tank and stored by DI, so that user takes； Waste water mouth c connects with waste pipe, for the waste water discharge in membrane cartridge 1.

The water inlet end of above-mentioned return valve 2 connects with the waste water mouth c of membrane cartridge 1, the water side of return valve 2 and film The water inlet a connections of filter core 1.The aperture of the return valve 2 is adjustable, and the maximum opening of return valve 2 is 1, backflow Actual current aperture/100% of aperture=return valve of regulating valve 2, the return valve 2 can be check valve, also can be also double To valve, specific restriction is not done herein.

Above-mentioned first TDS detectors 3 are installed on raw water tubes, and it enters membrane cartridge mainly for detection of by raw water tubes Raw water TDS values in 1.TDS values refer to the number of TDS in water, and units of measurement is mg/litre, and it shows 1 liter of water In dissolved with how many milligrams of soluble solids.TDS values are higher, and the impurity contained in expression water is more, the TDS values of raw water to be filtered Size, can not only influence the filter quality of membrane cartridge 1, can also influence the service life of membrane cartridge 1.

Controller noted above is electrically connected with the TDS detectors 3 of return valve 2 and the first, and the controller can be monolithic Machine or PW signal controllers, do not do specific restriction herein.

When the water purifier 100 carries out water purification work, the detection of the first TDS detectors 3 passes through the raw water TDS values of raw water tubes, and The result of detection is sent to controller；The testing result that controller sends the first TDS detectors 3 is carried out with the first preset value Compare, i.e., by raw water TDS values compared with the first preset value, if raw water TDS values are more than the first preset value, judgement passes through original The raw water TDS values of water pipe are higher, if membrane cartridge 1 is filtered with constant speed, can cause the raw water entered in membrane cartridge 1 only less Part is filtered into raw water, and the aperture increase of now controller control return valve 2, which increases given up in membrane cartridge 1 The velocity of discharge of water, and waste water so advantageously ensures that film from can also carry impurity outflow during the waste water mouth c discharges of membrane cartridge 1 The normal work of reverse osmosis membrane in filter core 1；Outside the waste water part discharged from the waste water mouth c of membrane cartridge 1 is drained into by waste pipe Boundary, another part are back in membrane cartridge 1 again after flowing through return valve 2, and the waste water for so allowing for the discharge of membrane cartridge 1 obtains To the second filtering, namely the covert inflow for increasing membrane cartridge 1, the filtering so repeated so that the utilization rate of raw water obtains To raising, while it can also ensure that the service life of membrane cartridge 1.If raw water TDS values are less than the first preset value, judgement passes through original The raw water TDS values of water pipe are than relatively low, namely the water quality of raw water is relatively good, and now controller can control opening for return valve 2 Degree keeps constant or reduced, and so advantageously ensures that the raw water in membrane cartridge 1 is fully utilized, that is, causes membrane cartridge 1 Interior raw water is filtered into water purification as far as possible, so as to improve the utilization rate of raw water.

The utility model is detected into the raw water TDS values in membrane cartridge 1 by setting the first TDS detectors 3, is gone back simultaneously Return valve 2 is set to connect the waste water mouth c of membrane cartridge 1 with water inlet a so that controller can detect according to the first TDS The raw water TDS values that device 3 detects control the aperture of return valve 2, so that are given up from what the waste water mouth c of membrane cartridge 1 was discharged Some reenters in membrane cartridge 1 and filtered water, and the water for so allowing for entering in membrane cartridge 1 can obtain sufficiently Filtering, so as to improve the utilization rate of water.

In an embodiment of the present utility model, the water purifier 100 is additionally provided with the TDS of waste water regulating valve 4 and the 2nd detections Device 5, the TDS detectors 5 of waste water regulating valve 4 and the 2nd may be contained within waste pipe, and the waste water regulating valve 4 is by adjusting its aperture To control the wastewater flow size of waste pipe, the 2nd TDS detectors 5 are used to detect passes through waste pipe in the first preset time period Waste water average TDS values, and the average TDS values of waste water are sent to controller, controller is controlled according to the average TDS values of waste water Waste water regulating valve 4 processed works.

Specifically, when water purifier 100 carries out water purification work, the 2nd TDS detectors 5 are detected in the first preset time period By the average TDS values of the waste water of waste pipe, and the result of detection is sent to controller；Controller detects according to the 2nd TDS The average TDS values for the waste water that device 5 is sent are compared with the second preset value, if the average TDS values of waste water are less than the second preset value, Then judging the waste water of the waste water mouth c discharges of membrane cartridge 1 can also reuse, namely the waste water of the waste water mouth c discharges of membrane cartridge 1 Filtering can also be re-started, now the aperture of controller control waste water regulating valve 4 reduces or keeps constant, to reduce or keep The waste water discharge rate of membrane cartridge 1, the wastewater flow rate being back in membrane cartridge 1 is thus in a disguised form increased, so as to improve the profit of water With rate.If it is pre- that the average TDS values for the waste water that the 2nd TDS detectors 5 detect in the first preset time period are more than or equal to second If during value, controller control waste water regulating valve 4 increases to default aperture, and continues the second preset time period.Preferably, second When the average TDS values for the waste water that TDS detectors 5 detect in the first preset time period are more than or equal to the second preset value, control The aperture of device control waste water regulating valve 4 is to maximum opening.Which increases the waste water velocity of discharge and discharge rate of membrane cartridge 1, So that the waste water in membrane cartridge 1 can discharge in time, because the waste water velocity of discharge of membrane cartridge 1 is very fast, membrane filtration is adsorbed in Incrustation scale in the reverse osmosis membrane of core 1 is rinsed out, and then is advantageous to extend the service life of membrane cartridge 1.In the present embodiment In, the utilization rate of water is not only further increasing, while the automatic cleaning of water purifier 100 is also achieved, extend membrane cartridge 1 Service life, and then extend the service life of the water purifier 100.

To avoid above-mentioned waste water regulating valve 4 from being blocked by incrustation scale, the waste pipe is additionally provided with positioned at waste water regulating valve 4 and waste water The direct antisludging agent module 6 of water inlet end of pipe.Specifically, the antisludging agent module 6 includes antisludging agent, and antisludging agent is preferably phosphate Class material, such as Si-P crystal.The antisludging agent can separate out phosphoric acid salt material, to form soluble complexing with calcium, magnesium ion in water Thing, so as to prevent the generation of the incrustation scales such as calcium, magnesium salts.Certainly, the antisludging agent may also be nonphosphate class material, new in this practicality The type of antisludging agent is not limited in type embodiment, the material that can be only generated with prevention incrustation scale.In order to anti- Only antisludging agent is washed away by waste water, and the antisludging agent module 6 is additionally provided with filter screen, and the filter screen in the form of sheets, and can be arranged on waste water regulation Between valve 4 and antisludging agent, to stop that antisludging agent follows waste water to flow out, certainly, the filter screen also can enclose to form an accommodating cavity, for Antisludging agent is placed.

Further, first be additionally provided with the waste pipe between antisludging agent module 6 and the water inlet end of waste pipe Check valve 7, the water inlet end of waste pipe are connected to the water inlet end of connection return valve 2 and the waste water mouth c of membrane cartridge 1 pipeline On.The setting of first check valve 7 can not only prevent return of waste water to return valve 2；It can also avoid being dissolved in simultaneously useless Antisludging agent in water is back to return valve 2, so as to avoid the secondary pollution to waste water.

In an embodiment of the present utility model, the water purifier 100 is additionally provided with preposition filter core 8, and the preposition filter core 8 enters Mouth of a river a connects with external water source, namely is connected with running water pipe, and the delivery port of the preposition filter core 8 and the water inlet end of raw water tubes connect Lead to, namely the delivery port of the preposition filter core 8 connects with the water inlet a of membrane cartridge 1.The preposition filter core 8 can be PP cotton filter cores, PP Cotton filter core also known as fusion-jet type PP filter cores, it can effectively remove the various granule foreigns in raw water, have multilayer depth structure, receive dirt Amount is big, is suitable for the preceding processing stages of purification of water quality.Preposition filter core 8 is set before raw water tubes, so avoided in raw water Granule foreign is adsorbed on the first TDS detectors 3 and influences the accuracy of detection of the first TDS detectors 3, while also avoid raw water In granule foreign the first TDS detectors 3 are impacted when being flowed with water, and then advantageously ensure that the first TDS detectors 3 uses the longevity Life.

It should be noted that the quantity of above-mentioned preposition filter core 8 can be one can also be arranged in series it is multiple, can be with Set according to actual conditions, do not do specific restriction herein.

Further, the delivery port of above-mentioned preposition filter core 8 is additionally provided with drainpipe, so allows for the energy of water purifier 100 Enough provide the water of multiple-quality water for users to use.

In an embodiment of the present utility model, the water purifier 100 is additionally provided with the booster pump being electrically connected with controller 9, the water inlet end of the booster pump 9 connects with the water side of raw water tubes and return valve 2, the water side of the booster pump 9 and membrane filtration The water inlet a connections of core 1.The setting of booster pump 9 so that outside raw water and flow through the waste water of return valve 2 and increase flowing through Press pump 9 is all pressurized, and so ensuring that has certain pressure into the water in membrane cartridge 1, and then ensures to enter membrane filtration Water in core 1 can quickly permeate reverse osmosis membrane.

Further, the booster pump 9 use variable frequency pump 14, due to the rotating speed of variable frequency pump 14 be it is adjustable, so Can adjusts the rotating speed of variable frequency pump 14 according to the water speed processed of membrane cartridge 1, and then is easy to control the water inlet of membrane cartridge 1 Amount.

In an embodiment of the present utility model, the water purifier 100 is additionally provided with rearmounted filter core 10, the rearmounted filter core 10 Water inlet a connects with the water side of DI, namely the water inlet a of the rearmounted filter core 10 connects with the pure water mouth b of membrane cartridge 1, The delivery port of the rearmounted filter core 10 connects with exterior line.In embodiment of the present utility model, the rearmounted filter core 10 can be Active carbon filter core, active carbon filter core is mainly using activated carbon as primary raw material, its chlorine residue that can be gone in water removal, peculiar smell etc., simultaneously The mouthfeel of water can also be improved, and then be advantageous to be lifted the experience of user.

It should be noted that the quantity of above-mentioned rearmounted filter core 10 can be one can also be arranged in series it is multiple, can To be set according to actual conditions, specific restriction is not done herein.

In an embodiment of the present utility model, refer to Fig. 2, the purifier also include water intaking valve 11, catch basin 12, First detection piece 13 etc..

Specifically, the water intaking valve 11 is installed on raw water tubes, it is used for the break-make for controlling raw water tubes, can thus control The work of membrane cartridge 1.Catch basin 12 is connected with the water side of DI, and it is used to store the water purification after the filtering of membrane cartridge 1, with Taken for user, solve the problems, such as to need to wait when user takes water purification.First detection piece 13 is electrically connected with controller, and And first detection piece 13 be arranged at connection DI and catch basin 12 pipeline on, to detect the water in catch basin 12.

Work is opened in water purifier 100 and when producing water purification, and the water purification formed after being filtered by membrane cartridge 1 is from membrane cartridge 1 Pure water mouth b flow out and flow into catch basin 12, at the same time, the first detection piece 13 detection catch basin 12 in water, first Detection piece 13 can specifically flow into the flow of the water purification in catch basin 12 by detecting, detect in catch basin 12 in preset time Hydraulic pressure, the liquid level in detection catch basin 12, the weight etc. of catch basin 12, namely first detection piece 13 can be pressure Switch, condensate tank of dehumidifier, Weight detecting device etc., specific restriction is not done herein.When the first detection piece 13 detects water storage When the water of part 12 reaches preset value, controller control water intaking valve 11 is closed, and the raw water for so allowing for outside is no longer flow into, together When controller also control booster pump 9 to be stopped, to cause whole water purifier 100 to be stopped.It is arranged such, realizes water purification Device 100 produces water purification automatically so that water purifier 100 is more intelligent, is user-friendly.

Above-mentioned catch basin 12 can be pressurized tank, when the first detection piece 13 is pressure switch, when the canned water of pressure is full, water without Method enters back into pressurized tank and flowed back, and now, pressure switch senses the pressure of recirculation water and can send a signal to controller, control The signal control pressure that device is sent according to pressure switch, which switchs, closes, while controls water intaking valve 11 to close, and so avoids to press During the built-in full water of power tank, water purifier 100 still occurs the problem of work causes water to overflow.

Fig. 3 is refer to, above-mentioned catch basin 12 is water bag, and purifier is additionally provided with a water pump being electrically connected with controller 14, the water inlet end of the water pump 14 connects with water bag, and the water side of the water pump 14 connects with external outlet d.When user needs to use During water, controller control water pump 14 starts, and the pure water in water bag is extracted out.

Further, the purifier also includes the second detection piece 15 being arranged between water pump 14 and external outlet d, Second detection piece 15 is used for the switch for detecting external outlet d, and controller is electrically connected with the second detection piece 15.The controller exists When second detection piece 15 detects that external outlet d is opened, control water pump 14 is opened；The controller detects in the second detection piece 15 When being closed to external outlet d, control water pump 14 is closed.

Specifically, second detection piece 15 can be contact induction device, pressure sensor etc., i.e., by with outside water outlet Outlet valve at mouth d is contacted to sense whether outlet valve is opened, or is judged by detecting the change of the water outlet end pressure Whether water end (W.E.) is opened.Preferably, the second detection piece 15 is pressure switch, and it is unidirectional to be additionally provided with second between pressure switch and water pump 14 Valve 16, pressure switch are used for the pressure for detecting the water side of the second check valve 16.By setting the second check valve 16, so as to avoid flowing Flowed back to external outlet d pure water, when external outlet d is closed, because pure water constantly flows to external outlet d, So that the pressure increase in pipeline between external outlet d and the second check valve 16；When pressure switch detects that outside goes out When pressure increases at the d of the mouth of a river, show that user need not use pure water, therefore controller control water pump 14 is stopped.

The purifier also includes the flow-limiting valve 17 being electrically connected with controller, and the flow-limiting valve 17 is in parallel with water pump 14 to be set Put, i.e., the one end of flow-limiting valve 17 is connected between water pump 14 and catch basin 12, and the other end is connected to the check valve of water pump 14 and second Between 16；Controller controls the flow-limiting valve 17 to close when external outlet d is opened, and controller is closed in external outlet d When, control flow-limiting valve 17 is opened.Specifically, when external outlet d is opened, if flow-limiting valve 17 is opened, taken out by water pump 14 The water gone out will be back to the water inlet end of water pump 14 from flow-limiting valve 17, therefore when external outlet d is opened, it is necessary to which flow-limiting valve 17 is closed Close；When external outlet d is closed, if water of the water pump 14 still in the extraction water bag that works on, therefore need to beat flow-limiting valve 17 Open so that the water extracted is back in water bag by flow-limiting valve 17, to avoid hydraulic pressure at external outlet d excessive.

To avoid external outlet d water from being back in membrane cartridge 1, thus purifier also in DI adjacent to membrane cartridge 1 Pure water mouth b at be provided with the 3rd check valve 18.

It should be noted that in embodiment of the present utility model, it is existing that controller, which controls the control mode of each part, , in the utility model, only protect the connected mode of above-mentioned each part.

The utility model also proposes a kind of water cleaning systems, and the water cleaning systems include water purifier, the concrete structure of the water purifier With reference to above-described embodiment, because this water cleaning systems employs whole technical schemes of above-mentioned all embodiments, therefore at least have All beneficial effects caused by the technical scheme of above-described embodiment, this is no longer going to repeat them.

Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, Every equivalent structure under utility model of the present utility model design, made using the utility model specification and accompanying drawing content Conversion, or directly/be used in other related technical areas indirectly and be included in scope of patent protection of the present utility model.

Claims

A kind of 1. water purifier, it is characterised in that including：

Membrane cartridge, there is the water inlet connected with raw water tubes, the pure water mouth connected with DI and connected with waste pipe useless The mouth of a river；

Return valve, the water inlet end of the return valve connect with the waste water mouth of the membrane cartridge, the return valve Water side connected with the water inlet of the membrane cartridge；

First TDS detectors, the raw water tubes are installed on, to detect the raw water DS values by the raw water tubes；And

Controller, it is electrically connected with respectively with the return valve and the first TDS detectors；The controller is according to described first The result of TDS values detection adjusts the aperture of the return valve.
2. water purifier as claimed in claim 1, it is characterised in that be provided with the waste pipe and electrically connect with the controller The waste water regulating valve connect and the 2nd TDS detectors, the result that the controller detects according to the 2nd TDS detectors adjust institute State the aperture of waste water regulating valve.
3. water purifier as claimed in claim 1, it is characterised in that the water purifier also includes preposition filter core, the preposition filter The water inlet of core connects with water source, and the delivery port of the preposition filter core connects with the water inlet end of the raw water tubes.
4. water purifier as claimed in claim 1, it is characterised in that the water purifier also includes booster pump, the booster pump Water inlet end connects with the water side of the raw water tubes and the return valve, the water side of the booster pump and the membrane filtration The water inlet connection of core.
5. water purifier as claimed in claim 1, it is characterised in that the water purifier also includes rearmounted filter core, the rearmounted filter The water inlet of core connects with the water side of the DI.
6. the water purifier as described in claim any one of 1-5, it is characterised in that the water purifier also includes：

Water intaking valve, it is installed on the raw water tubes；

Catch basin, it is connected with the water side of the DI；And

First detection piece, it is electrically connected with the controller, and first detection piece is located at the connection DI and water storage On the pipeline of part, controller water intaking valve ON/OFF according to the output control that first detection piece detects.
7. water purifier as claimed in claim 6, it is characterised in that the catch basin is pressurized tank, and first detection piece is Pressure switch, the ON/OFF of controller pressure switch according to the output control that the pressure switch detects.
8. water purifier as claimed in claim 6, it is characterised in that the catch basin is water bag, and the water purifier also includes water Pump, the water inlet end of the water pump connect with the catch basin, and water side connects with external outlet.
9. water purifier as claimed in claim 8, it is characterised in that the water purifier also includes the be electrically connected with controller Two detection pieces, and second detection piece is located between the water pump and external outlet；The controller with according to described the Water pump ON/OFF described in the output control of two detection pieces detection.
10. water purifier as claimed in claim 9, it is characterised in that the water purifier also includes electrically connecting with the controller The flow-limiting valve connect, the flow-limiting valve are arranged in parallel with the water pump；The knot that the controller detects according to second detection piece Fruit controls unlatching/closing of the flow-limiting valve.
11. a kind of water cleaning systems, it is characterised in that the water cleaning systems include net as described in claim 1-10 any one Hydrophone.