CN108726634A - Reverse osmosis water purifier and control method thereof - Google Patents
Reverse osmosis water purifier and control method thereof Download PDFInfo
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- CN108726634A CN108726634A CN201810288933.3A CN201810288933A CN108726634A CN 108726634 A CN108726634 A CN 108726634A CN 201810288933 A CN201810288933 A CN 201810288933A CN 108726634 A CN108726634 A CN 108726634A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 507
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000012528 membrane Substances 0.000 claims abstract description 53
- 239000002351 wastewater Substances 0.000 claims description 45
- 238000003860 storage Methods 0.000 claims description 33
- 230000005764 inhibitory process Effects 0.000 claims description 18
- 238000001914 filtration Methods 0.000 claims description 11
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 230000001186 cumulative effect Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 210000000664 rectum Anatomy 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 5
- 238000007781 pre-processing Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000000116 mitigating effect Effects 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/12—Controlling or regulating
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
- C02F2103/04—Non-contaminated water, e.g. for industrial water supply for obtaining ultra-pure water
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- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Nanotechnology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention provides a reverse osmosis water purifier and a control method thereof, wherein the reverse osmosis water purifier comprises a main water path, a first branch water path and a controller, wherein the main water path comprises a booster pump, an RO membrane filter element and a water tank which are arranged along the water flow direction, and pure water filtered by the RO membrane filter element is conveyed to the water tank; the first water dividing path is connected between the water tank and the booster pump, and is provided with a control valve; the controller starts the control valve and the booster pump to pump water in the water tank to be filtered again through the RO membrane filter element.
Description
Technical field
The present invention relates to reverse osmosis water purifier and its control methods.
Background technology
As the improvement of people's living standards, reverse osmosis water purifier is more and more used by consumers in general.City at present
Traditional reverse osmosis water purifier has such shortcoming on field：The problems such as long-time storage pure water is stale.In order to cope in this way
The problem of, the technological means of generally use is by the water discharge in water tank.
Invention content
It is an object of the present invention to provide a kind of reverse osmosis water purifiers also can be with one kind even if long-time storage pure water
Water-saving mode provides fresh pure water.
It is a further object to provide a kind of control methods of reverse osmosis water purifier.
A kind of reverse osmosis water purifier according to an aspect of the present invention includes main waterway, first point of water route and controller,
In, main waterway includes booster pump, RO membrane filters, the water tank being arranged along water (flow) direction, wherein filtered through the RO membrane filters
Pure water is transported to the water tank；And first point of water route is connected between the water tank and the booster pump, first point of water
Road is provided with control valve；Controller starts the control valve and the booster pump, to extract the water in water tank again through RO films
Filter element filtering.
In one or more embodiments, the controller determines the storage time of water in the water tank, if when storage
Between be more than setting time, then start the control valve and the booster pump and make the water in water tank again by RO membrane filters
Water.
In one or more embodiments, the controller determines the storage according to the time set of program setting
Time.
In one or more embodiments, the water tank or radiator drain road are configured with pressure sensor, work as pressure
Force snesor is arranged in the water tank, and the pressure sensor is used to detect the hydraulic pressure of the water tank；When pressure sensor is set
It sets on the radiator drain road, the pressure sensor is managed for detecting the radiator drain road between depotition cock
The hydraulic pressure of road；The time that the controller is remained unchanged according to the hydraulic signal of the pressure sensor determines the storage
Time.
In one or more embodiments, the water tank is configured with water-level detecting device, and the water-level detecting device is used
In the water level of detection water tank, the time that the controller is remained unchanged according to the water level signal of the water-level detecting device determines
The storage time.
In one or more embodiments, the reverse osmosis water purifier further includes the intelligent fire hose to connect with the water tank
Head, the controller determine the storage time according to the shut-in time of the intelligent tap.
In one or more embodiments, the reverse osmosis water purifier further includes the tap to connect with the water tank,
The water outlet that the tap is connected in the water tank is arranged in the pressure sensor.
In one or more embodiments, which further includes second point of water route, second point of water route
Include RO membrane filters, wastewater valve, the waste water mouth being arranged along water (flow) direction, the concentrated water of RO membrane filters discharge is discharged through the wastewater valve
To the waste water mouth, wherein second point of water route is provided with the increasing that return water passage is connected to the main waterway in the upstream side of wastewater valve
The upstream side of press pump.
In one or more embodiments, which further includes second point of water route, second point of water route
Further include scale inhibition filter core, the concentrated water of RO membrane filters discharge is discharged into institute after the scale inhibition filter element filtering, then through the wastewater valve
Waste water mouth is stated, the return water passage is drawn from the water route between the scale inhibition filter core and the wastewater valve.
In one or more embodiments, the main waterway further includes clear water faucet, in the main waterway, the water
It is additionally provided with suction pump between case and the clear water faucet.
In one or more embodiments, return channel is provided in the return water passage, the return channel has latus rectum
The adjustable valve port of size.
In one or more embodiments, the water tank is arranged above the control valve, the water outlet of the control valve
Mouth connects the water inlet of the booster pump, and the control valve is solenoid valve.
In one or more embodiments, the control valve is located above water tank or side, the water outlet of the control valve
The water outlet of mouth connection booster pump, the control valve are suction pump.
In one or more embodiments, water-level detecting device is provided in the water tank, the controller controls institute
It states reverse osmosis water purifier and carries out water conservancy project processed and make, until the water-level detecting device sends to the controller water level of peak level
Signal.
A kind of reverse osmosis water purifier control method according to a further aspect of the invention, the pure water that RO membrane filters are produced are stored
In water tank, if the storage time of water is more than setting time in water tank, the water of water tank is drawn into RO membrane filters again after water processed
It is transported to water tank again.
In one or more embodiments of the control method, at interval of judging that water is deposited in water tank after a period of time
It is more than setting time to store up the time.
In one or more embodiments of the control method, time for being remained unchanged according to the hydraulic pressure of the water tank
To determine the storage time.
In one or more embodiments of the control method, time for being remained unchanged according to the water level of the water tank
To determine the storage time.
In one or more embodiments of the control method, when according to the closing for the tap for being connected to the water tank
Between determine the storage time.
In one or more embodiments of the control method, after the water of water tank all water again processed, root is judged
Whether it is in peak level according to water level in water tank, starts the reverse osmosis water purifier if not and produce new pure water and be transported to water tank, until
Reach peak level to water level.
In one or more embodiments of the control method, the waste water that RO membrane filters are discharged passes through return channel extremely
After the water that small part is led back with reverse osmosis water purifier newly enters mixes, it is transported to RO membrane filters and is filtered.
In one or more embodiments of the control method, filtered by scale inhibition in the waste water for discharging RO membrane filters
After core filtering, it is re-introduced into the return channel.
In one or more embodiments of the control method, judged by judging again the cumulative time of water processed
The whether whole water again processed of the water of water tank.
In one or more embodiments of the control method, the water in water tank is pumped to by the fire hose by suction pump
Head.
First point of water route of setting is connected between the water tank and the booster pump, and first point of water route is provided with control
Valve；Controller starts the control valve and the booster pump, is filtered again through RO membrane filters with extracting the water in water tank.Due to
The water extracted in water tank is filtered again through RO membrane filters, therefore can keep being constantly in freshness in water tank, only few
Part water is discharged by waste water mouth, even if long-time storage pure water, fresh pure water can be provided in a manner of water-saving.
Description of the drawings
The above and other features of the present invention, property and advantage will pass through retouching with reference to the accompanying drawings and examples
It states and becomes readily apparent from, wherein：
Fig. 1 is the hydrographic chart according to the reverse osmosis water purifier of one or more embodiments.
Fig. 2 is the control system block diagram according to the reverse osmosis water purifier of one or more embodiments.
Fig. 3 is the water level switch schematic diagram in the water tank according to the reverse osmosis water purifier of one or more embodiments.
Fig. 4 is the flow chart according to the reverse osmosis water purifier control method of one or more embodiments.
Specific implementation mode
Following embodiments or embodiment for disclosing the subject technology scheme described in a variety of different implementations.For simplification
Each element and the specific example of arrangement is described below in disclosure, and certainly, these are only example, is not to this
The protection domain of invention is limited.Such as the fisrt feature then recorded in the description above second feature or above
It is formed, may include the embodiment that the first and second features are formed by way of directly contacting, also be included in the first He
The embodiment that supplementary features are formed between second feature, to can not directly be contacted between the first and second features.In addition,
In these disclosures may in different examples repeat reference numerals and/or letter.The repetition is in order to brief and clear
Chu itself does not indicate that each embodiment being discussed and/or interstructural relationship.Further, when first element be with
The mode that second element is connected or combines describes, which includes the reality that the first and second elements are connected directly or are bonded to each other
Mode is applied, also includes so that the first and second interelements ground connection is connected or is tied each other using one or more other intervening elements additions
It closes.
As shown in Figure 1, include main waterway according to the reverse osmosis water purifier of one or more embodiments, wherein main waterway packet
Include booster pump 1, RO membrane filters 2, the water tank 3 being arranged along water (flow) direction.Booster pump 1 is by waterflow boosting to being suitable for RO membrane filter systems
After the pressure of water, RO membrane filters 2 are output to, the water at 2 water purification end of RO membrane filters is discharged into water tank 3, and storage is a certain amount of in water tank 3
Pure water.
The reverse osmosis water purifier further includes second point of water route, and second point of water route is drawn from the waste water end of RO membrane filters 2 in Fig. 1
Go out, includes RO membrane filters 2, scale inhibition filter core 4, wastewater valve 5, the waste water mouth 6 being arranged along water (flow) direction, wherein under scale inhibition filter core 4
Trip side water route also return water passage 7 is connected to the upstream side of the booster pump 1 of main waterway.The water being discharged from the waste water end of RO membrane filters 2
It is filtered by scale inhibition filter core 4, waste water mouth 6 is discharged by wastewater valve 5 again through 4 filtered water of scale inhibition filter core.By scale inhibition filter core 4
Filtered another part water is introduced into main waterway by return water passage 7, is pressurized through booster pump 1 with the water newly flowed into main waterway
Participate in the new water process processed of RO membrane filters 2 together afterwards.Second point of water route 7 is also referred to as concentrated water water route, due to being provided with scale inhibition filter core
4, therefore the fouling rate before the RO films of decrease RO membrane filters 2 and before wastewater valve 5, when reverse osmosis water purifier is matched using primary flux specification
The waste water hole meeting very little for the wastewater valve matched when the RO films set, due to being provided with scale inhibition filter core 4, so that concentrated water will not be easily
Wastewater valve 5 is blocked, while RO films being allowed to be not easy to block up, extends the service life of RO films.
With continued reference to Fig. 1, in some embodiments, reverse osmosis water purifier further includes first point of water route 8, first point of water route
8 are connected between water tank 3 and booster pump 1, and the water in order to extract water tank 3 by booster pump 1 rinses the RO films of RO membrane filters 2,
First point of water route 8 is provided with flow solenoid valve 9, and flow solenoid valve 9 is used for first point of water route 8 of switch, first point of water route 8 of switch
Valve is not limited to solenoid valve, such as can also be the motor-operated control valve of other structures form, or using can be indirect by controller
The pneumatically or hydraulically control valve of control.The RO films that the pure water rinsing RO membrane filters 2 in water tank 3 are extracted by first point of water route 8, can
With more effectively dissolved impurity so that RO films rinse more thorough.As the RO that reverse osmosis water purifier is configured using primary flux specification
The waste water hole meeting very little for the wastewater valve 5 matched when film, to concentrated water scale inhibition and and carrying out pure water rinsing to RO films can be such that it is not easy
Waste water hole is blocked.Therefore using mitigation and antiscaling technology and pure water rinsing technology the producing water ratio of reverse osmosis membrane is effectively improved, while allows RO
Film is not easy the stifled service life for extending RO films.
With continued reference to Fig. 1 and Fig. 2, in some embodiments, which further includes controller 10, controller
10 control time intervals come instruct flow solenoid valve 9 open and start booster pump 1 automatically extract water tank 3 in water again through RO
Membrane filter 2, i.e. water processed again, again the benefit of water processed including but not limited to filter the bacterium that may be grown, keep in water tank 3
Pure water is in fresh state.Compared to the mode of the water in other modes, such as interval time emptying water tank, aforementioned embodiments
It is more advantageous to water-saving.
As shown in Figure 1, in some embodiments, main waterway further includes clear water faucet 17, water tank 3 and clear water faucet 17 it
Between be additionally provided with suction pump 12.Low power pump can be chosen and be used as suction pump 12, since the downstream side of suction pump 12 is without filter core
Blocking, so even the power of suction pump 12 is small or driving is small, but water yield is larger, and noise is small.Relative to other realities
Mode is applied, for example, by using the water purifier of big standard filtering core and big specification booster pump, the noise of embodiment above-mentioned is small, water yield
Greatly, therefore better water draw rate experience sense can be obtained, and more dominant in manufacturing cost and noise reduction.At one or more
In a embodiment, suction pump 12 is brushless pump.
With continued reference to Fig. 1, in some embodiments, return channel 13 is provided in return water passage 7, return channel 13 is located at resistance
The downstream side of dirty filter core 4 shunts the concentrated water of the discharge of scale inhibition filter core 4 with wastewater valve 5 together.The concentrated water for being flowed into return channel 3 is more
In the concentrated water ratio for being flowed into wastewater valve 5, to reach water-saving purpose.In one or more embodiments, return channel 13 is valve
Mouthful adjustable valve of latus rectum size can be allowed to adjust and be diverted to the dense of wastewater valve 5 and return water passage 7 by the way that return channel 13 is arranged
Water ratio.
With continued reference to Fig. 1, in some embodiments, main waterway further includes preprocessing filter element 14, and return water passage 7 is connected to
Main waterway between preprocessing filter element 14 and booster pump 1 after the water at water source first passes through the filtering of preprocessing filter element 14, then flows to increasing
Press pump 1 carries out water processed by booster pump 1.Or with return water passage 7 flow back concentrated water together with flow to booster pump 1, by booster pump 1 into
Row water processed.Water source is can be intake with tap water either well water or other water sources.
As shown in Figure 1, in some embodiments, main waterway further includes main waterway flow solenoid valve 15, return water passage 7 connects
It is connected between main waterway flow solenoid valve 15 and booster pump 1.In this way when RO membrane filters 2 are stopped, water source water is closed, with
Water purifier is set to be in safer state.
With continued reference to Fig. 1, in some embodiments, non-return valve 16 is provided between RO membrane filters 2 and water tank 3, it is inverse
Only valve 16 prevents the aqueous reflux of water tank 3, it is ensured that pure water one-way flow.
With continued reference to Fig. 1, in some embodiments, flow electromagnetism is provided between suction pump 12 and clear water faucet 17
Valve 18, when being opened without clear water faucet 17, flow solenoid valve 18 is closed, and the unlatching of clear water faucet 17 can pass through controller 10
It realizes, such as clear water faucet 17 is opened by touching user interface device.In one or more embodiments
In, clear water faucet 17 is intelligent tap comprising controller and the valve controlled by controller, controller is according to input by user
Signal is switched on or off to be switched on or off valve, and then is switched on or off tap.
As shown in figure 3, in some embodiments, water tank 3 configures water level switch 31, and water tank is controlled by taps 31
Whether 3 water level or RO membrane filters needs to start work.Realize that the mode of water level switch 31 includes but not limited to close switch,
Such as it can also be contact-making switch.In one or more embodiments, water level switch 31 is close to switch or contact-making switch.
In at least one embodiment, it is provided with float mechanism and two water level switches 31 in water tank 3, is used to detect Gao Shui
The water level switch of position and the water level switch for detecting low water level, are coordinated, float mechanism by float mechanism and water level switch 31
Float changed with fluctuation of water table, the water level switch 31 of corresponding high water level is touched when reaching high water level, to triggering one
To controller, controller stops water conservancy project processed according to the high water level signal and makees high water level signal, such as stops booster pump 1, flow electricity
Magnet valve 15 stops flow solenoid valve 9 etc..The water level switch that corresponding low water level is touched when float reaches low water level, to trigger
One high water level signal to controller, open water conservancy project processed according to the water level signal and make by controller, for example, start flow solenoid valve 15,
It opens booster pump 1, open flow solenoid valve 9.
As shown in Fig. 2, reverse osmosis water purifier includes controller 10, controller 10 can be with the flow electricity in first point of water route 8
Magnet valve 9, the flow solenoid valve 15 of main waterway, return channel 13, flow solenoid valve 18, the power supply for controlling 31 water outlet of clear water faucet
19, suction pump 12, booster pump 1 and wastewater valve 5 are respectively coupled to, according to its internal program being arranged and instruction pair input by user
These components are controlled.
Controller starts the control valve and the booster pump, to extract the water in water tank again through RO membrane filter mistakes
Filter.
In one or more embodiments, controller 10 determines the storage time of water in water tank 3, if storage time is more than
Setting time then starts flow solenoid valve 9 and booster pump 1, and the water in water tank 3 is passed through RO membrane filters again water processed.Such as
In embodiment shown in FIG. 1, again a kind of mode of water processed be water tank 3 water through booster pump 3 extract supercharging after, through RO membrane filtrations
Core 2 filters, then returns to water tank through non-return valve 16, and controller 10 is judged by the cumulative time of water processed again in water tank 3
Water whether water processed again completely.In one or more embodiments, water processed further includes by a water processed again again
It is accumulative between after, open flow solenoid valve 15, shutdown flow solenoid valve 9 produces new pure water to water tank, water is triggered to arriving
Bit switch 31 provides a high water level signal to controller 10, then stops water processed.
In one or more embodiments, controller 10 determines storage time according to the time set of program setting.
In this way, opening flow solenoid valve 9 and booster pump 1 by the water in water tank 3 again water processed at regular intervals.
In one or more embodiments, pressure sensor is configured on water tank or radiator drain road, pressure passes
Hydraulic pressure of the water cycle factors to outlet pipeline in hydraulic pressure or water tank in sensor detection water tank.I.e. when pressure sensor is arranged
In water tank, pressure sensor is used to detect the hydraulic pressure of water tank.When pressure sensor be arranged on radiator drain road, pressure sensing
Device is for detecting radiator drain road to the hydraulic pressure between depotition cock on pipeline.Controller is believed according to the hydraulic pressure of pressure sensor
Number time remained unchanged determines storage time.Water in the big occasion of water consumption, water tank due in a short time just by
It is finished, i.e. water purification storage time in water tank is shorter, and holding just runs out in the fresh state, therefore is not necessarily to periodically to
Water in water tank water processed again.It is changed by hydraulic pressure in detection water tank to determine the time of water tank memory water storage, it is super when the time
Just water processed again when crossing setting time, can save cost in this way.In one or more embodiments, reverse osmosis water purifier is also
Include the tap to connect with water tank, pressure sensor is arranged the water outlet that tap is connected in water tank, controller according to by
The signal that the pressure sensor of this setting provides also can determine that the storage time of water in water tank.
In one or more embodiments, water tank is configured with water-level detecting device, and water-level detecting device is for detecting water
The water level of case, the time that controller is remained unchanged according to the water level signal of water-level detecting device determine storage time.Water level is examined
It can be the device that water level switch cooperation float mechanism as shown in Figure 3 is constituted to survey device, but not limited to this, such as water level switch
It can be with more than two.When user fetches water, there will be variations, otherwise water level to remain unchanged for water level.It therefore can be by water tank
SEA LEVEL VARIATION determines the storing water in water tank time.
In one or more embodiments, reverse osmosis water purifier further includes the intelligent tap to connect with water tank, control
Device determines storage time according to the shut-in time of intelligent tap.The closing of intelligent tap, that is, surface user does not fetch water row
For in other words, when intelligent tap is closed, it is generally the case that do not have new water and fill into water tank, when intelligent tap is closed
The storage time of water in a length of water tank.
Fig. 4 shows a kind of control method of reverse osmosis water purifier comprising following steps.
First, as shown in square S1, water purifier powers on, and is fetched water with preparing to open tap, in aftermentioned embodiment, the fire hose
Head by taking intelligent tap as an example, but not limited to this, may not be intelligent tap.
Then, it as shown in square S2, for a user, touches water tap and delivers a signal to controller, for net
For water dispenser, whether detection user receives the input signal of illustrating opening intelligent tap water intaking by touching water tap,
The example of the producing method of input signal includes touching, but in some embodiments, can also be pressing keys.At least one
In a embodiment, input signal can be inputted by the user interface of water purifier, either by wireless or wired
Signal is from remote input.
As shown in square S3, after controller receives the open signal of clear water faucet, instruction suction pump opens work, with
Water purification is extracted from water tank.In conjunction with Fig. 1, in one embodiment, controller opens flow solenoid valve 18 simultaneously, net to open
Tap 17.
Next, as shown in square S4, for a user, tap open one section between after, decide whether to after
Continuous water intaking.For water purifier, controller determines whether to continue to fetch water.In some embodiments, determine whether to after
The step of continuous water intaking is that controller is judged by the time, such as is received at one after the input signal of unlatching tap,
Start timing, if reaching the time of a setting, judges that water intaking terminates, before not receiving new input signal, control
Device judgement processed does not continue to fetch water.In other embodiments, the step of determining whether to continue water intaking be controller by
It is no to receive a lasting input signal and judged, after input signal is interrupted, it is judged as not continuing to fetch water.At least one
In a embodiment, it is to be judged by an input signal, such as touching water to determine whether to the step of continuing water intaking
After faucet switch is to generate water intaking signal, on user interface, water tap keeps showing water purification with highlighted state
Machine is persistently discharged, if touching water tap again, generates an input signal for stopping water outlet.
In some embodiments, as shown in square S5, when user theres is a decision to discontinue water intaking, then water tap biography is touched
Delivery signal is to controller.Next, as shown in square S6, touch intelligent water tap delivers a signal to controller, that is, controls
Device receives the input signal for stopping supplying water, and then as shown in square S7, controller instructs suction pump to be stopped, in conjunction with Fig. 1,
In some embodiments, controller instructs flow solenoid valve 18 to close simultaneously.
In some embodiments, as shown in square S8, when controller judges to need to continue water intaking, further judge water
Whether case water level is down to low water level.Its judgment mode is as shown in figure 3, it can be sentenced by the signal that water level switch 31 generates
Disconnected, in one embodiment, water level switch 31 coordinates float mechanism, hall sensor is carried thereon, in corresponding Gao Shui
Magnet is arranged in water level switch 31 at position, low level water level, and when water level switch 31 reaches low water level, one low water level signal of triggering arrives
Controller, when water level switch reaches high water level, one high water level signal of triggering to controller.If controller judges Water in Water Tank
Position is not as low as low water level, then continues to execute and acted as shown in square S3.
If controller judges that cistern water level is less than low water level, as shown in square S9, cistern water level switch delivers a signal to
Controller.Next, as shown in square S10, controller control suction pump is stopped, and in some embodiments, does not configure
Suction pump, controller stop water outlet by the open and close control water tank of valve.Embodiment as shown in Figure 1, stop pumping pump work
Meanwhile closing flow solenoid valve 18.Be then turned on counter-infiltration system carry out water operation, the counter-infiltration system include booster pump 1,
Wastewater valve 5, return channel 13, flow solenoid valve 15, preprocessing filter element 14, flow solenoid valve 9.In some embodiments, it flows back
Device 13, flow solenoid valve 15, preprocessing filter element 14 and/or flow solenoid valve 9 can be omitted.Wastewater valve 5 can be arranged to continue
It opens, with small volume exhaust waste water, interval time unlatching can also be arranged to.
Next, as shown in square S11, controller judges that this time time value is arranged whether there is or not accumulative water processed is reached in water processed.Such as
Fruit reaches setting time value, as shown in square S12, utilizes pure water rinsing RO membrane filters in water tank.As shown in Figure 1, utilizing water tank
The mode of interior pure water rinsing RO membrane filters is that booster pump 1 works, and flow solenoid valve 9 is opened, and wastewater valve 5 is according to setting interval time
It opens.In some embodiments, flow solenoid valve 15 is opened simultaneously, introduces new water and pure water together to the RO of RO membrane filters
Film is rinsed.In some embodiments, scale inhibition filter core is set on the water route at the waste water end of RO membrane filters, so as to return to
The water of RO membrane filters is easier to be rinsed, and effectively improves reverse osmosis membrane using mitigation and antiscaling technology and pure water rinsing technology simultaneously in this way
Producing water ratio, while RO films being allowed to be not easy to block up, extend the service life of RO films.
Judge not reach the accumulative water setting time processed in square S11, or pure water rinsing is completed shown in square S12
After RO films, as shown in square S13, controller continues to judge to continue whether water tank water level processed reaches high water level, if not reaching
To high water level, controller works according to the flow instruction system for returning to square S10.If reaching high water level, such as square S14 institutes
Show, controller will receive the high water level signal of cistern water level switch transmission.
After the water level for judging water tank reaches high water level, as shown in square S17, controller instructs counter-infiltration system to stop work
Make.In the embodiment shown in figure 1, stop booster pump 1 to work, close flow solenoid valve 15,9, close wastewater valve 5.
Next, as shown in square S16, controller judges whether the storing water in water tank time reaches setting value, if not having, controls
Device processed stops counter-infiltration system work according to mode shown in square S17, if reaching setting value, shown in square S15
Mode is controlled.
As shown in square S15, the pure water of water tank is extracted or is flowed back into main waterway.Then as shown in square S10, weight
New filtering water processed, the benefit for filtering water processed again include but not limited to filter the bacterium that may wherein grow, and are ensured pure in water tank
Water is fresh.In the embodiment shown in figure 1, controller instruction booster pump 1 works, and wastewater valve 5 is beaten according to setting interval time
It opens, flow solenoid valve 15,9 carries out filtering water processed again within the setting time according to setting clock switch using RO membrane filters.
Although the present invention is disclosed as above with preferred embodiment, it is not for limiting the present invention, any this field skill
Art personnel without departing from the spirit and scope of the present invention, can make possible variation and modification.Therefore, it is every without departing from
The content of technical solution of the present invention, according to the technical essence of the invention to any modification, equivalent variations made by above example
And modification, it each falls within the protection domain that the claims in the present invention are defined.
Claims (24)
1. reverse osmosis water purifier, which is characterized in that including：
Main waterway includes booster pump, RO membrane filters, the water tank being arranged along water (flow) direction, wherein after RO membrane filters filtering
Pure water be transported to the water tank；And
First point of water route, is connected between the water tank and the booster pump, and first point of water route is provided with control valve；
Controller starts the control valve and the booster pump, is filtered again through RO membrane filters with extracting the water in water tank.
2. reverse osmosis water purifier as described in claim 1, which is characterized in that the controller determines depositing for water in the water tank
The time is stored up, if storage time is more than setting time, starts the control valve and the booster pump passes through the water in water tank
RO membrane filters water processed again.
3. reverse osmosis water purifier as claimed in claim 2, which is characterized in that the controller is set according to the timing of program setting
It sets to determine the storage time.
4. reverse osmosis water purifier as claimed in claim 2, which is characterized in that the water tank or radiator drain road are configured with
Pressure sensor,
When pressure sensor is arranged in the water tank, the pressure sensor is used to detect the hydraulic pressure of the water tank；
When pressure sensor is arranged on the radiator drain road, the pressure sensor is for detecting the radiator drain
Road is to the hydraulic pressure between depotition cock on pipeline；
The time that the controller is remained unchanged according to the hydraulic signal of the pressure sensor determines the storage time.
5. reverse osmosis water purifier as claimed in claim 2, which is characterized in that the water tank is configured with water-level detecting device, institute
Water level of the water-level detecting device for detecting water tank is stated, the controller is kept according to the water level signal of the water-level detecting device
The constant time determines the storage time.
6. reverse osmosis water purifier as claimed in claim 2, which is characterized in that the reverse osmosis water purifier further includes and the water
The intelligent tap that case connects, the controller determine the storage time according to the shut-in time of the intelligent tap.
7. reverse osmosis water purifier as claimed in claim 4, which is characterized in that the reverse osmosis water purifier further includes and the water
The water outlet that the tap is connected in the water tank is arranged in the tap that case connects, the pressure sensor.
8. reverse osmosis water purifier as described in claim 1, which is characterized in that the reverse osmosis water purifier further includes second point of water
Road, second point of water route include RO membrane filters, wastewater valve, the waste water mouth being arranged along water (flow) direction, and RO membrane filters discharge dense
Water is discharged into the waste water mouth through the wastewater valve, connects wherein second point of water route is provided with return water passage in the upstream side of wastewater valve
It is connected to the upstream side of the booster pump of the main waterway.
9. reverse osmosis water purifier as claimed in claim 8, which is characterized in that the reverse osmosis water purifier further includes second point of water
Road, second point of water route further include scale inhibition filter core, and the concentrated water of RO membrane filters discharge is after the scale inhibition filter element filtering, then through institute
It states wastewater valve and is discharged into the waste water mouth, the return water passage draws from the water route between the scale inhibition filter core and the wastewater valve
Go out.
10. reverse osmosis water purifier as described in claim 1, which is characterized in that the main waterway further includes clear water faucet, in institute
It states in main waterway, suction pump is additionally provided between the water tank and the clear water faucet.
11. reverse osmosis water purifier as claimed in claim 8, which is characterized in that be provided with return channel, institute in the return water passage
Stating return channel has the adjustable valve port of latus rectum size.
12. reverse osmosis water purifier as described in claim 1, which is characterized in that the water tank is arranged above the control valve,
The water outlet of the control valve connects the water inlet of the booster pump, and the control valve is solenoid valve.
13. reverse osmosis water purifier as described in claim 1, which is characterized in that the control valve is located above water tank or side,
The water outlet of the water outlet connection booster pump of the control valve, the control valve is suction pump.
14. reverse osmosis water purifier as described in claim 1, which is characterized in that it is provided with water-level detecting device in the water tank,
The controller controls the reverse osmosis water purifier and carries out water conservancy project work processed, until the water-level detecting device is sent out to the controller
Send the water level signal of peak level.
15. a kind of reverse osmosis water purifier control method, which is characterized in that the pure water that RO membrane filters are produced is stored in water tank,
If the storage time of water is more than setting time in water tank, the water of water tank is drawn into RO membrane filters and is transported to water again after water processed again
Case.
16. control method as claimed in claim 15, which is characterized in that at interval of judging that water is deposited in water tank after a period of time
It is more than setting time to store up the time.
17. control method as claimed in claim 15, which is characterized in that the time remained unchanged according to the hydraulic pressure of the water tank
To determine the storage time.
18. control method as claimed in claim 15, which is characterized in that the time remained unchanged according to the water level of the water tank
To determine the storage time.
19. control method as claimed in claim 15, which is characterized in that when according to the closing for the tap for being connected to the water tank
Between determine the storage time.
20. control method as claimed in claim 15, which is characterized in that after the water of water tank all water again processed, judge root
Whether it is in peak level according to water level in water tank, starts the reverse osmosis water purifier if not and produce new pure water and be transported to water tank, until
Reach peak level to water level.
21. control method as claimed in claim 15, which is characterized in that the waste water for discharging RO membrane filters passes through return channel extremely
After the water that small part is led back with reverse osmosis water purifier newly enters mixes, it is transported to RO membrane filters and is filtered.
22. control method as claimed in claim 21, which is characterized in that filtered by scale inhibition in the waste water for discharging RO membrane filters
After core filtering, it is re-introduced into the return channel.
23. control method as claimed in claim 20, which is characterized in that judged by judging again the cumulative time of water processed
The whether whole water again processed of the water of water tank.
24. control method as claimed in claim 15, which is characterized in that the water in water tank is pumped to the fire hose by suction pump
Head.
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| CN201810288933.3A CN108726634A (en) | 2018-03-30 | 2018-03-30 | Reverse osmosis water purifier and control method thereof |
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| CN201810288933.3A CN108726634A (en) | 2018-03-30 | 2018-03-30 | Reverse osmosis water purifier and control method thereof |
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| CN109354283A (en) * | 2018-12-19 | 2019-02-19 | 珠海格力电器股份有限公司 | Water treatment system, control method and purifier |
| CN109368893A (en) * | 2018-12-19 | 2019-02-22 | 珠海格力电器股份有限公司 | Water treatment system and purifier |
| CN110204077A (en) * | 2019-06-21 | 2019-09-06 | 重庆市亚特蓝电器有限责任公司 | A kind of anti-penetration water purifier and its control method |
| CN111233230A (en) * | 2020-03-24 | 2020-06-05 | 广西桦源水处理设备有限公司 | Movable drinking fountain water and drinking purified water system and control method thereof |
| CN112142214A (en) * | 2020-10-10 | 2020-12-29 | 上海纯米电子科技有限公司 | Water purifier and control method and device thereof |
| CN113896285A (en) * | 2021-11-22 | 2022-01-07 | 杭州老板电器股份有限公司 | Water purifier, water purifier control method and intelligent household system control method |
| CN114873661A (en) * | 2021-12-20 | 2022-08-09 | 浙江苏泊尔厨卫电器有限公司 | Waterway system and control method for waterway system |
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