CN109205813A - The control method of water purifier and water purifier - Google Patents

The control method of water purifier and water purifier Download PDF

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Publication number
CN109205813A
CN109205813A CN201710530995.6A CN201710530995A CN109205813A CN 109205813 A CN109205813 A CN 109205813A CN 201710530995 A CN201710530995 A CN 201710530995A CN 109205813 A CN109205813 A CN 109205813A
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CN
China
Prior art keywords
water
fresh
branch
controller
tap
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201710530995.6A
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Chinese (zh)
Other versions
CN109205813B (en
Inventor
周勇
昂永程
王永平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
Foshan Shunde Midea Water Dispenser Manufacturing Co Ltd
Original Assignee
Midea Group Co Ltd
Foshan Shunde Midea Water Dispenser Manufacturing Co Ltd
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Priority to CN201710530995.6A priority Critical patent/CN109205813B/en
Publication of CN109205813A publication Critical patent/CN109205813A/en
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Publication of CN109205813B publication Critical patent/CN109205813B/en
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Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/283Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions

Abstract

The present invention discloses the control method of a kind of water purifier and water purifier, wherein the water purifier includes: receiving unit, controller, water purification component, fresh water lines and tap, and the water purification component is used for Water warfare and is delivered to the tap;The fresh water lines are used to the Liquid Residue between the water purification component and tap being back to the water purification component;The controller controls the fresh water lines for obtaining the received fresh water trigger signal of receiving unit, and according to the fresh water trigger signal.Liquid Residue between water purification component water outlet and tap can be back to the water inlet of water purification component by water purifier proposed by the present invention, to realize the double purification of Liquid Residue, therefore, water purifier proposed by the present invention can guarantee the i.e. fresh purified water of the water of tap outflow.

Description

The control method of water purifier and water purifier
Technical field
The present invention relates to purifier technical field, in particular to the control method of a kind of water purifier and water purifier.
Background technique
Safe and secure drinking water is always the water purification component of the urgent need of people and now water purifier that people use Water between tap valve port and non-fresh purified water, it is more likely that for water overnight or in pipeline retention time it is longer, Secondary pollution is caused, this non-fresh purified water of long-term drinking can endanger the health of people.
Summary of the invention
The main object of the present invention is to propose a kind of water purifier, it is intended to fresh purified water is provided convenient for user.
To achieve the above object, water purifier proposed by the present invention, comprising: tap;Water purification component, the water purification component connect Lead to the tap, by Water warfare and is delivered to the tap;Fresh water lines, the fresh water lines are connected to the water purification group Liquid Residue between the water purification component and tap is back to the water purification component by part and the tap;Reception group Part, the receiving unit is for receiving fresh water trigger signal;And controller, it is the controller and the receiving unit, described Water purification component, the fresh water lines and tap electrical connection, the controller are used to obtain the fresh water trigger signal, and The fresh water lines are triggered according to the fresh water trigger signal.
Preferably, the fresh water lines include: water outlet branch, and the water inlet of the water outlet branch is connected to the water purification component Water outlet, the water outlet of the water outlet branch is connected to the tap;And return water branch, the water inlet of the return water branch It is connected to the water inlet of the water outlet branch and the water outlet of the water purification component, the water outlet connection of the return water branch is described net The water inlet of water assembly.
Preferably, the water outlet branch road is equipped with the first solenoid valve, and the return water branch road is equipped with second solenoid valve and list To valve.
Preferably, the receiving unit includes fresh water key, and the fresh water key is to receive the control fresh water lines Fresh water trigger signal.
Preferably, the controller includes the first timing module, and first timing module is for recording the return water branch The opening time on road, when the opening time is more than or equal to preset duration, the controller closes the return water branch And open the water outlet branch.
Preferably, the controller further includes the second timing module, and second timing module obtains in preset time period The adjacent average time interval used twice of tap, when the use time interval of the tap is more than or equal to described put down When equal time interval, the controller opens the return water branch.
The present invention also proposes a kind of control method of water purifier, comprising: S1: receiving unit detects fresh water trigger signal;S2: Controller obtains the fresh water trigger signal, and opens return water branch according to the fresh water trigger signal;S3: the first timing module Record the opening time of the return water branch, the controller opening time and preset duration;S4: the controller is in institute The return water branch is closed when stating opening time more than or equal to the preset duration, and opens water outlet branch.
Preferably, the controller includes pressure sensor and processor, the controller opening time and Preset duration includes: the pressure that pressure sensor detects the fresh water lines;Processor pipeline according to the calculation of pressure Interior flow rate of liquid;Processor calculates preset duration according to the length of the fresh water lines and the flow rate of liquid;Controller ratio The opening time and the preset duration.
Preferably, before the fresh water trigger signal of the receiving unit detection further include: receiving unit detection water outlet triggering letter Number;When the receiving unit detects the water outlet trigger signal, controller obtains and according to the water outlet trigger signal, inspection Survey the fresh water trigger signal.
Preferably, the water outlet control method further include: it is adjacent that the second timing module obtains tap in preset time period The average time interval used twice;Controller is more than or equal to the mean time in the use time interval of the tap Between when being spaced, open the return water branch.
Water purifier proposed by the present invention is by being arranged fresh water lines, so that the receiving unit of water purifier is to receive user defeated After the fresh water trigger signal entered, which can be sent to the fresh water trigger signal of user controller, and controller is opened fresh Water lines, in this way, the Liquid Residue between water purification component post active carbon filter core and tap can be back to the water inlet of water purification component Mouth carries out double purification, so as to avoid purified water retains for a long time in pipeline and causes secondary pollution.Therefore, the present invention mentions Water purifier out can guarantee the i.e. fresh purified water of the water of tap outflow.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the block diagram of one embodiment of water purifier of the present invention;
Fig. 2 is the pipeline structure schematic diagram of Fig. 1 embodiment;
Fig. 3 is the flow chart of the control method of water purifier of the present invention;
Fig. 4 is the using process diagram of water purifier of the present invention;
Drawing reference numeral explanation:
Label Title Label Title
100 Receiving unit 500 Tap
200 Controller 410 It is discharged branch
300 Water purification component 420 Return water branch
400 Fresh water lines
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention, Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship, Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution Conjunction is not present, also not the present invention claims protection scope within.
The present invention proposes that a kind of water purifier, the water purifier can provide drinking water fresh, without secondary pollution for user.
In embodiments of the present invention, as shown in Figure 1, the water purifier includes: receiving unit 100, controller 200, water purification group Part 300, fresh water lines 400 and tap 500.
Wherein, receiving unit 100 is for receiving fresh water trigger signal;Controller 200 is for obtaining the fresh water triggering letter Number, and the fresh water lines 400 are controlled according to the fresh water trigger signal;Water purification component 300 be used for by water carry out purification and it is defeated It send to the tap 500;Fresh water lines 400 are used to flow back the Liquid Residue between the water purification component 300 and tap 500 To the water purification component 300 to purify the Liquid Residue.
Its circuit connecting mode are as follows: receiving unit 100 is electrically connected with controller 200, controller 200 respectively with the water purification Component 300, the fresh water lines 400 and the tap 500 are electrically connected;Its pipeline connection mode is that water purification component 300 passes through Fresh water lines 400 are connected to tap 500 by the fresh water lines 400.
Specifically, after water purifier powers on, receiving unit 100 can real-time detection user trigger signal, and receiving It is sent to controller 200 to after the trigger signal of user's input, such as by the switch triggering signal of user, controller 200 controls PP cotton filter element, granular activated carbon filter core, the compression activated carbon cartridge, the reverse osmosis membrane filtration of RO of for example multiple connections of water purification component 300 Core and post active carbon filter core start water purification, and purified fresh water is flowed out by tap 500.However, water purification component 300 Post active carbon filter core and tap 500 between can retain some Liquid Residues, when user opens tap 500 next time It waits, due to the non-fresh purified water of Liquid Residue, will receive secondary pollution in pipeline, therefore, Liquid Residue can be to the health of human body Have an adverse effect.
However, water purifier proposed by the present invention has fresh water lines 400, when receiving unit 100 receives user's input After fresh water trigger signal, the fresh water trigger signal of user is sent to controller 200 by receiving unit 100, and controller 200 is opened fresh Water lines 400, in this way, the Liquid Residue between 300 post active carbon filter core of water purification component and tap 500 can be back to water purification group Part 300 carries out double purification, at this point, the water from the outflow of tap 500 is fresh purified water.
The above embodiment of the present invention mainly has the beneficial effect of following three aspect as a result,.First, it is proposed by the present invention net Water dispenser can be realized water purification function truly, it may be assumed that avoid by the purified purified water of water purification component 300 in pipeline In there is the problem of secondary pollution, fresh purified water is provided for user, to guarantee the health of user;Second, this hair The water purifier of bright proposition using very convenient because fresh water lines 400 be connected directly with water purification component 300 it is logical, when user's starting When fresh water function, Liquid Residue directly can be back to water purification component 300 by fresh water lines 400, to carry out immediately to Liquid Residue Double purification, therefore water purifier proposed by the present invention has the convenience of " water outlet i.e. fresh " and convenient;Third, it is proposed by the present invention Water purifier can save water resource, avoid wasting.Existing water purifier, does not have fresh water function usually, and user is in order to pursue Health avoids the Liquid Residue in drinking water purifier pipeline, and effluent switch is usually first opened when using water purifier and releases a part Water, liquid stream is net to can will remain, and drinks the fresh purified water flowed out from water purification component 300.On the one hand, above-mentioned to discharge water Journey wastes water resource, and increase user uses water cost;On the other hand, user can not determine during above-mentioned discharge water has incited somebody to action Liquid Residue release is clean, this brings very big inconvenience for user.And the present invention can guarantee Liquid Residue carrying out two completely Secondary purification not only takes full advantage of remaining purified water in pipeline, but also can provide fresh purified water for user.
A specific embodiment according to the present invention, as shown in Fig. 2, the fresh water lines 400 include: water outlet branch 410 The water outlet of the water purification component 300, the water outlet branch are connected to the water inlet of return water branch 420, the water outlet branch 410 410 water outlet is connected to the tap 500;The water inlet of the return water branch 420 is connected to the water inlet of the water outlet branch 410 The water outlet of mouth and the water purification component 300, the water outlet of the return water branch 420 are connected to the water inlet of the water purification component 300 Mouthful.
When receiving unit 100 receives fresh water trigger signal, controller 200 controls return water branch 420 and opens, and is passing through After preset duration T1, controller 200 closes return water branch 420, and opens water outlet branch 410, and tap 500 is discharged.Return water branch The purpose that preset duration T1 is opened on road 420 is by the Liquid Residue total reflux in pipeline to water purification component 300 to realize Liquid Residue Double purification, in this way, tap 500 flow out water be fresh purified water.
In the present embodiment, for the flow and flow rate that adjustable tap 500 is discharged, first is equipped on water outlet branch 410 Solenoid valve;In view of the liquid flow direction of reflux branch is the water inlet of the water outlet and tap 500 from water purification component 300 Connectivity part be back to the water inlet of water purification component 300, and need to avoid the liquid in reflux branch that reverse flow occurs, therefore Reflux branch road is equipped with check valve, and in addition to this, in order to adjust the flow and flow rate of Liquid Residue reflux, reflux branch road is additionally provided with Second solenoid valve, the second solenoid valve and the check valve water outlet in sequential series for turning on water purification component 300 and water purification component Between 300 water inlet.
A specific embodiment according to the present invention, the receiving unit 100 include fresh water key, and the fresh water key is used With the fresh water trigger signal of user, controller 200 opens the fresh water lines 400 after receiving the fresh water trigger signal.? This can also be the Trackpad with the interface UI it should be noted that the receiving unit 100 is not limited to fresh water key;Moreover, Receiving unit 100 further includes the on/off key for controlling tap 500 and opening or closing.The reception as a preferred method, Component 100 is arranged on the tap 500, so, it is possible that user is facilitated to control receiving unit 100.
In the above embodiment of the present invention, the controller 200 includes the first timing module, and first timing module is used In the opening time for recording the return water branch, when the opening time is more than or equal to preset duration T1, the control Device closes the return water branch 420 and opens the water outlet branch 410, so that the Liquid Residue in pipeline be flow to end.
Controller 200 further includes pressure sensor and processor, and the pressure sensor is for detecting in the fresh water lines Pressure, the preset duration obtains by the processor according to the length computation of the pressure and the fresh water lines.Specifically Ground, processor can calculate the flow velocity of liquid in the pipeline according to the pressure value that the pressure sensor measures, and according to institute The length and flow rate of liquid for stating pipeline calculate the preset duration.The design of right this patent is without being limited thereto, in other embodiments, The preset duration can also be directly inputted by user.
The principle for now calculating preset duration T1 to the first timing module is described in detail, and the hydraulic gradient of pipeline can use house Wei Liefu formula calculating i=0.00107V^2/d^1.3, and i=(P1-P2)/(ρ gL);Above-mentioned two formula can obtain after eliminating i: V= This formula of 30.57d^0.65 { (P1-P2)/ρ gL } ^0.5 shows the flow velocity V and pressure difference P1-P2 of the interior unit length of pipe in pipeline Square root is directly proportional, directly proportional to 0.65 th Root of internal diameter of the pipeline d, is inversely proportional with 0.5 th Root of duct length L.
In formula: P1: pipe head end pressure;P2: pipe end pressure;ρ: the density of water;L: duct length;I: hydraulic gradient;V: Flow velocity;D: internal diameter of the pipeline.
Therefore, after measuring length of pipe L and internal diameter of the pipeline d, pressure sensor can measure the pressure of unit length in pipe The flow rate of liquid V in pipeline can be calculated according to above-mentioned formula for power difference P1-P2, processor;The first timing module is at this time The net required preset duration T1 of residual liquid stream can be calculated according to duct length L and flow rate of liquid V.
The design of right this patent is without being limited thereto, and in other embodiments, the controller 200 can also be including water flow velocity suddenly That sensor and processor, in this way, controller 200 can directly be detected in return water branch 420 by water flow velocity Hall sensor Flow rate of liquid, and then the net required preset duration of residual liquid stream is calculated according to flow rate of liquid and duct length by processor T1。
In the above embodiment of the present invention, in order to further speed up the time that user obtains fresh purified water, the water purification The controller 200 of machine further includes the second timing module, and it is adjacent that second timing module obtains tap 500 in preset time period The average time interval used twice so that the controller 200 be greater than in the use time interval of the tap 500 or The return water branch 420 is opened when equal to the average time interval.
That is, water purifier in the present embodiment is other than having the function of user and triggering fresh water by receiving unit 100, Water purifier is also equipped with automatic water purifying function.Specifically, the second timing module of the invention can be monitored in real time user and use water purification The case where machine, to record the demand in user's different periods to fresh purified water.Such as in high frequency use time, user is average It uses a water purifier within every 0.5 hour, in high frequency use time, uses a water purifier within user average every 4 hours;Second timing It is 2 hours that module, which calculates the average use time interval of user by the data of long-term record, then at night or morning etc. Automatic trigger controller 200 is opened fresh water loop by low frequency use time, the second timing module, in this way, when user's water, pipe The freshness of Liquid Residue is higher in road, i.e. capable of direct drinking after water purifier purifies again;Further, since Liquid Residue makes in low frequency Purification has been carried out with the period, impurity is less;The speed purified again is also relatively fast, so that user in the morning can be quick Ground drinks fresh purified water.
As a preferred method, in order to save water purification cost, the present invention is in high frequency use time and low frequency use time Using different average time intervals as whether executing the standard of automatic water purifying.Specifically, in high frequency use time, such as early 6:00 to late 22:00, the second timing module can subtract regulated quantity 1 hour on the basis of average time interval 2 hours, as The control standard of high frequency use time;And in low frequency use time, such as evening 22:00 to morning next day 6:00, the second timing module It can be added regulated quantity 1 hour on the basis of average time interval 2 hours, the control standard as high frequency use time, it may be assumed that Different control standards is used in high frequency use time and low frequency use time, in this way, fresh water function is held in high frequency use time Line frequency is higher, so that the time that user drinks fresh purified water is shorter;In low frequency use time, fresh water function executes frequency more It is low, electricity can be saved, the high-frequency work of water purification component 300 is avoided, improves the service life of water purifier.
The design of right this patent is without being limited thereto, can also be only in the when segmentum intercalaris of low frequency use time in other embodiments Point: morning, 6:00 executed primary automatic fresh water before, to not only be able to satisfy the demand that user drinks fresh purified water early morning, but also energy Save electricity.
To sum up, the water purifier proposed according to embodiments of the present invention, it is living to 300 postposition of water purification component by fresh water lines 400 Property filtration core and tap 500 between remaining purified water double purification, enable water purifier proposed by the present invention for use Family provides fresh purified water.
Fig. 3 is the flow chart of the control method of water purifier according to embodiments of the present invention.As shown in figure 3, the control of the water purifier Method processed includes:
S1: receiving unit 100 detects fresh water trigger signal;
S2: controller 200 obtains the fresh water trigger signal, and opens return water branch according to the fresh water trigger signal;
S3: the first timing module records the opening time of the return water branch, the controller opening time and pre- If duration T1;
S4: the controller 200 closes the return water when the opening time is more than or equal to the preset duration Branch 420, and open water outlet branch 410.
Wherein, the controller opening time and preset duration include: that pressure sensor detects the fresh water The pressure of pipeline;Flow rate of liquid of the processor in the pipeline according to the calculation of pressure;Processor is according to the fresh water lines Length and the flow rate of liquid calculate preset duration;The controller opening time and the preset duration.
Specifically, after water purifier powers on, receiving unit 100 can real-time detection user fresh water trigger signal, when connecing After receiving the fresh water trigger signal that component 100 receives user's input, controller 200 obtains the fresh water trigger signal, and according to Fresh water trigger signal opens return water branch 420, and the time that return water branch 420 is opened is the pressure and length computation according to pipeline , so residual liquid in pipeline can be sufficiently discharged;After preset duration T1, the Liquid Residue in pipeline is arranged completely Out, controller 200 closes the return water branch 420, and opens water outlet branch 410, and tap 500 can flow out fresh purification Water.
The method of the embodiment of the present invention is returned the Liquid Residue in pipeline by the return water branch 420 of fresh water lines 400 as a result, It is flow to water purification component 300, so that Liquid Residue is able to double purification, in this way, the water that tap 500 flows out is fresh net Change water, to realize the purpose for being discharged i.e. fresh water.
In order to accelerate the speed that water purifier flows out fresh purified water, in an embodiment of the present invention, the water outlet controlling party Method further include: the second timing module obtains the adjacent average time interval T2 used twice of tap 500 in preset time period;Control Device 200 processed is when the use time interval of the tap 500 is more than or equal to the average time interval T2, described in opening Return water branch 420.In this way, water purifier proposed by the present invention, when user does not use fresh water function within a certain period of time, this is net Water dispenser can execute fresh water function automatically, in this way, can be quickly obtained fresh purification when user uses the water purifier Water, realize i.e. turn on the tap 500 i.e. out fresh purified water purpose.
Further, according to one embodiment of present invention, receiving unit 100 also wraps before receiving fresh water trigger signal Include: receiving unit 100 receives water outlet trigger signal;When the receiving unit detects the water outlet trigger signal, controller 200 obtain and according to the water outlet trigger signal, detect the fresh water trigger signal, receive in the controller 200 described When fresh water trigger signal, the controller 200 opens the return water branch 420, and the return water is closed after preset duration T1 Branch 420 opens the water outlet branch 410;When the controller 200 does not receive the fresh water trigger signal, the control Device 200 processed opens the water outlet branch 410.
That is, receiving unit 100 further includes the on/off key for controlling tap 500 and switching water, referring to figure 4., this Invention water purifier it is complete use process is as follows: firstly, press on/off key, so that be in can effluent state for tap 500; Then, user can choose whether to enable fresh water function, specifically, when user is not switched on tap 500 and net the long period When water dispenser is not carried out automatic fresh water function, generally requires user and trigger fresh water key, this in season water function starting, return water branch 420 open, and after preset duration T1T1, return water branch 420 is closed, and water outlet branch 410 is opened, and tap 500 flows out fresh Purified water;When just opened tap 500 or water purifier had just executed automatic fresh water function to user, user does not need to touch Send out water key fresh, this in season water function is in close state, and water outlet branch 410 is opened, and tap 500 is discharged;Finally, working as the fire hose After first 500 water yield reaches user demand, on/off key is pressed again, and water outlet branch 410 is closed, and water purification component 300 stops work Make.
Water purifier proposed by the present invention can carry out double purification to the residual liquid in pipeline as a result, to realize water Water, that is, fresh purified water purpose of 500 outflow of faucet.
To sum up, the control method of the water purifier proposed according to embodiments of the present invention, by fresh water lines 400 to water purification component The double purification of Liquid Residue between 300 post active carbon filter cores and tap 500, so that by using the water purifier control method Fresh purified water can be provided afterwards for user.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly It is included in other related technical areas in scope of patent protection of the invention.

Claims (10)

1. a kind of water purifier characterized by comprising
Tap;
Water purification component, the water purification component are connected to the tap, by Water warfare and are delivered to the tap;
Fresh water lines, the fresh water lines are connected to the water purification component and the tap, by the water purification component and the fire hose Liquid Residue between head is back to the water purification component;
Receiving unit, the receiving unit is for receiving fresh water trigger signal;And
Controller, the controller are electrically connected with the receiving unit, the water purification component, the fresh water lines and the tap It connects, the controller triggers the fresh water lines for obtaining the fresh water trigger signal, and according to the fresh water trigger signal.
2. water purifier as described in claim 1, which is characterized in that the fresh water lines include:
It is discharged branch, the water inlet of the water outlet branch is connected to the water outlet of the water purification component, the water outlet of the water outlet branch Mouth is connected to the tap;And
Return water branch, the water inlet of the return water branch are connected to the water outlet of the water inlet and the water purification component of the water outlet branch Mouthful, the water outlet of the return water branch is connected to the water inlet of the water purification component.
3. water purifier as claimed in claim 2, which is characterized in that water outlet branch road is equipped with the first solenoid valve, and described time Water branch road is equipped with second solenoid valve and check valve.
4. water purifier as claimed in claim 2, which is characterized in that the receiving unit includes fresh water key, and the fresh water is pressed Key controls the fresh water trigger signal of the fresh water lines to receive.
5. the water purifier as described in Claims 1-4 any one, which is characterized in that the controller includes the first timing mould Block, first timing module is used to record the opening time of the return water branch, when the opening time is more than or equal to When preset duration, the controller closes the return water branch and opens the water outlet branch.
6. water purifier as claimed in claim 5, which is characterized in that the controller further includes the second timing module, and described Two timing modules obtain the adjacent average time interval used twice of tap in preset time period, when the use of the tap When time interval is more than or equal to the average time interval, the controller opens the return water branch.
7. a kind of control method of water purifier, which is characterized in that including,
S1: receiving unit detects fresh water trigger signal;
S2: controller obtains the fresh water trigger signal, and opens return water branch according to the fresh water trigger signal;
S3: the first timing module records the opening time of the return water branch, the controller opening time and it is default when It is long;
S4: controller closes the return water branch when the opening time is more than or equal to the preset duration, and opens It is discharged branch.
8. the control method of water purifier as claimed in claim 7, which is characterized in that the controller include pressure sensor and Processor;The controller opening time and preset duration include:
Pressure sensor detects the pressure of the fresh water lines;
Flow rate of liquid of the processor in the pipeline according to the calculation of pressure;
Processor calculates preset duration according to the length of the fresh water lines and the flow rate of liquid;
The controller opening time and the preset duration.
9. the control method of water purifier as claimed in claim 7, which is characterized in that the receiving unit detects fresh water triggering letter Before number further include:
Receiving unit detection water outlet trigger signal;
When the receiving unit detects the water outlet trigger signal, controller obtains and according to the water outlet trigger signal, Detect the fresh water trigger signal.
10. the control method of the water purifier as described in claim 7 to 9 any one, which is characterized in that the water outlet controlling party Method further include:
Second timing module obtains the adjacent average time interval used twice of tap in preset time period;
Controller opens described return when the use time interval of the tap is more than or equal to the average time interval Water branch.
CN201710530995.6A 2017-06-30 2017-06-30 Water purifier and control method thereof Active CN109205813B (en)

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CN114074968A (en) * 2020-08-13 2022-02-22 青岛海尔施特劳斯水设备有限公司 Water purification system and control method thereof
CN114074968B (en) * 2020-08-13 2023-10-20 青岛海尔施特劳斯水设备有限公司 Water purification system and control method thereof

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