CN209173746U - Water purification system and water purification unit - Google Patents
Water purification system and water purification unit Download PDFInfo
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- CN209173746U CN209173746U CN201821192208.8U CN201821192208U CN209173746U CN 209173746 U CN209173746 U CN 209173746U CN 201821192208 U CN201821192208 U CN 201821192208U CN 209173746 U CN209173746 U CN 209173746U
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- 238000000746 purification Methods 0.000 title claims abstract description 176
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- 239000012528 membrane Substances 0.000 claims abstract description 169
- 239000002351 wastewater Substances 0.000 claims abstract description 152
- 238000002156 mixing Methods 0.000 claims abstract description 93
- 238000011010 flushing procedure Methods 0.000 claims abstract description 49
- 238000010992 reflux Methods 0.000 claims description 45
- 239000002699 waste material Substances 0.000 claims description 40
- 238000001514 detection method Methods 0.000 claims description 34
- 238000012360 testing method Methods 0.000 claims description 16
- 239000010865 sewage Substances 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims description 8
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a water purification system and water purification unit, it includes: the water purification system includes: the membrane filter element is provided with a raw water port, a pure water port and a waste water port; a water inlet valve; a pressure boosting device; a water intake device; the water storage device is provided with a water storage cavity and a plurality of water outlets; one end of the raw water branch is communicated with the raw water pipe at the point P of the first connecting point, and the other end of the raw water branch is connected with a water passing port of the water storage device; one end of the pure water backflow branch is communicated with the pure water pipe and is connected with the point R of the second connection point, and the other end of the pure water backflow branch is connected with a water passing port of the water storage device; one end of the flushing branch is connected with a water passing port of the water storage device, and the other end of the flushing branch is communicated with the raw water pipe and is communicated with a third connection point Q; the water mixing valve is arranged on the flushing branch; the first check valve is arranged on the pure water backflow branch; the waste water valve or the waste water hole, the waste water valve is installed on the waste water pipe or the waste water hole is arranged at the waste water end of the membrane filter element. So set up, be favorable to promoting membrane filter core life-span, reduce waste water valve scale deposit risk and reduce the TDS of the first cup pure water of water purification system.
Description
Technical field
The utility model relates to technical field of water purification, in particular to a kind of water purification system and purifier.
Background technique
Drinking Water Problem is the problem of common people pay special attention to, and having many substances for being unfavorable for health in water has been thing out of question
Real, this is also the hot root of the main reason for common people's healthy water consciousness is strengthened and purifier market.
It relies primarily on membrane filter in existing purifier to be filtered raw water, however, when the purifier is in standby
When state, raw water, waste water and pure water can be existed simultaneously in the membrane filter, wherein raw water and waste water are in the film of membrane filter
Before, after pure water is in the film of membrane filter, and raw water and total dissolved solidss (TDS) value of waste water are intended to greatly higher than pure water
TDS value, if the purifier is in standby for a long time, the ion that will lead in the raw water and waste water of membrane filter is diffused into
In pure water, so that the TDS value of pure water increases, when being switched on Pure-water Making purifier next time, the first cup pure water produced
TDS value can be relatively high, influence the experience of user.Simultaneously when shutting down, membrane filter and wastewater valve are immersed in the waste water of high TDS
In, the easy fouling of membrane filter causes performance to decline, and the easy fouling of wastewater valve leads to valve plug.
The effective ways to solve the above problems at present mainly pass through pure water and clean to membrane filter, will be high in membrane filter
The waste water flushing of TDS goes out.Therefore it needs to be arranged pure water storage device in water purification system, is stored first to pure water a certain amount of pure
Water, flushing are used for pure water extraction/extrusion to rinse membrane filter.
The patent reported at present uses common water tank, pressurized tank or water drive tank more.
Pure water rinsing is used for using common water tank: be must be equipped with self priming pump when flushing and is extracted pure water out.The program is to pump
Requirement it is high, lead to increased costs；And the noise of self priming pump is big, flush efficiency is low.Stomata must be opened up on water tank simultaneously, easily led
Cause bacteria breed.
Using pressurized tank for rinsing: the water storage efficiency of pressurized tank is very low, and usual water storage volume is less than actual volume
50%；And the pure water stored in pressurized tank can not be completely exhausted out by air bag, flush efficiency is low；And with the use of pressurized tank,
Air bag can gradually gas leakage, the pure water amount that can be squeezed out can be fewer and fewer.
Using water drive tank for rinsing: flexible diaphragm is set in water drive tank by tank body is divided into independent two chambers,
Structure is complicated, with high costs；Furthermore water drive tank works under larger pressure for a long time, and diaphragm easily ruptures, and leads to two chambers string
Water, thrashing.
In addition the inner cavity of pressurized tank and water drive tank can only be made into partially cylindrical tank body shape, it is difficult to be designed to other shapes
Shape, applicability are poor.
Furthermore above-mentioned three kinds of water storage devices must additional setting signal feedback device (such as water level sensor, flow sensor,
High-voltage switch gear, flow switch etc.) it is used cooperatively, it will increase the complexity and cost of system.
Utility model content
The main purpose of the utility model is to propose a kind of water purification system, it is intended to water purifier stop water processed when to membrane filter into
Row rinses, and the concentrated water of TDS high in membrane filter is discharged, to membrane filter and wastewater valve are immersed in the water of low TDS, with substantially
Reduce water purifier again water processed when the TDS of first cup water that produces, and extend the service life of membrane filter and wastewater valve simultaneously.And it should
Water purification system can also cooperate sewage recovering system to use, to recycle a part of waste water.It is encountered to solve above-mentioned water storage device
The problem of, this patent develops completely new cleaning way, using with water storage cavity (all interconnected multiple water storage cavities
It is considered as one) and multiple interconnected water storage devices for crossing the mouth of a river, for storing raw water and pure water and raw water and pure water mixing
The mixed water formed, when to be rinsed, is rinsed membrane filter using the water stored in water storage device.
The utility model provides a kind of water purification system, and the water purification system includes:
Membrane filter has the raw water mouth being connected to raw water tubes, the pure water mouth being connected to pure water pipe and is connected to waste pipe
Waste water mouth；
Inlet valve is installed on the raw water tubes；
Supercharging device is installed on the raw water tubes between the inlet valve and the membrane filter；
Water fetching device is installed in the pure water pipe；
Water storage device, with a water storage cavity and multiple interconnected mouths of a river excessively, for storing raw water, pure water and by original
One of the mixed water that water and pure water are mixed to form；
Raw water branch, the raw water tubes between raw water branch one end and raw water mouth and inlet valve are connected to the first tie point P point,
The other end is connected with the mouth of a river of crossing of water storage device, so that raw water flows into water storage cavity through raw water branch；
Pure water reflux branch, the pure water pipe between pure water reflux branch one end and membrane filter pure water mouth and water fetching device are connected to
The mouth of a river of crossing of second tie point R point, the other end and water storage device is connected, so that the pure water produced of membrane filter flows back branch through pure water
Flow into water storage cavity；
Branch is rinsed, one end is connected with the mouth of a river of crossing of water storage device, the original between the other end and inlet valve and supercharging device
Water pipe is connected to third tie point Q point so that the water stored in water storage device through rinse branch flow into membrane filter, to membrane filter into
Row rinses；
Water mixing valve, the water mixing valve, which is set to, rinses branch road；
First check valve, it is described to be set to pure water reflux branch road, pure water is flowed to limit raw water through pure water reflux branch
Pipe；
And wastewater valve or waste water hole, the wastewater valve is installed on the waste pipe or the waste water hole is provided with
Membrane filter waste water end, to control wastewater flow.
Preferably, the water purification system further includes pure water return valve, and the pure water return valve is set on pure water return pipe,
The pure water that membrane filter is produced when controlling normal water processed is without pure water reflux branch reflux.
Preferably, the water purification system further includes second one-way valve, and second individual event valve is set to raw water branch road, with
The pure water that membrane filter is produced when limiting normal water processed flows back into raw water tubes through raw water branch.
Preferably, the water purification system further includes controller, the controller respectively with the inlet valve, water mixing valve, institute
State supercharging device, the water fetching device and the pure water return valve are electrically connected, the controller receive water signal processed and
When flush signal, the inlet valve, water mixing valve, supercharging device, pure water return valve opened/closed are controlled respectively；
The flush signal includes rinsing first stage signal and flushing second stage signal,
When the controller receives flushing first stage signal, the inlet valve unlatching is controlled, water mixing valve is opened or closed
It closes, supercharging device unlatching, the unlatching of pure water return valve, so that the pure water that membrane filter is produced flows into water storage dress through pure water reflux branch
It sets；
When the controller receives flushing second stage signal, controls the inlet valve and close, water mixing valve unlatching, be pressurized
Device opens or closes, pure water return valve opens or closes, so as to rinse the water stored in first stage water storage device through rinsing
Branch flows into membrane filter, is rinsed to membrane filter.
Preferably, the water purification system further includes controller, the controller respectively with the inlet valve, water mixing valve, institute
State supercharging device, the water fetching device and the pure water return valve are electrically connected, the controller receive water signal processed and
When flush signal, the inlet valve, water mixing valve, supercharging device, pure water return valve opened/closed are controlled respectively；
The flush signal includes first stage flush signal and second stage flush signal,
When the controller receives first stage flush signal, controls the inlet valve and open, water mixing valve unlatching, be pressurized
Device is opened, so that the pure water that membrane filter is produced flows into water storage device through pure water reflux branch；
When the controller receives second stage flush signal, controls the inlet valve and close, water mixing valve unlatching, be pressurized
Device opens or closes, so that the water stored in water storage device when the first stage rinses flows into membrane filter through rinsing branch, to film
Filter core is rinsed.
Preferably, diversion pipe or separator are provided in the water storage device so that the water storage cavity is separated to form phase
Intercommunicated two parts, to control raw water, the degree that the water that pure water is filled in water storage device Shi Yuyuan water storage device is mixed.
Preferably, the water purification system further includes pressure reducing valve, and the pressure reducing valve is installed on the original before third tie point P
On water pipe.
Preferably, the water inlet system includes sewage recovering system, and sewage recovering system includes the second inlet valve, waste water time
Flow tube, third check valve；
Second inlet valve, second inlet valve are located on the waste line after the wastewater valve；
Return of waste water pipe, the waste pipe between the water inlet end and the wastewater valve and the second inlet valve of the return of waste water pipe
Connection, mixed water branch or water storage device between water outlet and the raw water tubes or raw water branch or water storage device and water mixing valve with
Pure water reflux branch between first check valve is connected to the 4th tie point N, by Sewage treatment；
Alternatively, sewage recovering system includes One In and Two Out valve, return of waste water pipe, third check valve；
One In and Two Out valve, water inlet are located on the waste line after the wastewater valve, and one water outlet and waste water return
Flow tube connection is for recycling waste water, and another water outlet is for directly waste water to be discharged；
The water inlet end of return of waste water pipe, the return of waste water pipe is connected to one water outlet of One In and Two Out valve, water outlet and institute
It states between mixed water branch or water storage device and the first check valve between raw water tubes or raw water branch or water storage device and water mixing valve
Pure water reflux branch be connected to the 4th tie point N, by Sewage treatment.
Preferably, the water inlet system includes third check valve, waste water mouth of the third check valve from the membrane filter
To the 4th tie point N one-way conduction.The third check valve of optimization can have a starting pressure, when hydraulic pressure is lower than starting pressure
Water can not pass through from the waste water mouth of the membrane filter to the 4th tie point N.
Preferably, the water purification system further includes time set, and the time set is for detecting the water purification system
Water duration processed stops the duration that water duration, the first rinse stage of water purification system and the second rinse stage processed carry out；
The controller of water purification system is also electrically connected with the time set, and the controller of water purification system is according to the timing
The testing result of device control the inlet valve, the water mixing valve, the supercharging device, water purification system pure water return valve, with
And the second inlet valve work of water purification system, to carry out the flushing of first/second stage to the membrane filter；
The controller of water purification system carries out one to membrane filter at regular intervals according to the timing result of the time set
Secondary flushing；
The controller of water purification system controls the second inlet valve or One In and Two Out valve according to the timing result of the time set
Work, to carry out Sewage treatment.
Preferably, the water purification system further includes first flow detection device, and the first flow detection device installation is pure
Water flows back branch on the road；
The controller of water purification system is also electrically connected with the first flow detection device, the controller of water purification system according to
The testing result of the first flow detection device controls the inlet valve, the supercharging device, the water mixing valve and water purification
The pure water return valve of system works, and terminates first stage flushing, switches to second stage flushing.
Preferably, the water purification system further includes second flow detection device, and the second flow detection device is installed on
On raw water branch or waste line；
The controller of water purification system is also electrically connected with the second flow detection device, the controller of water purification system according to
The testing result of the second flow detection device controls the inlet valve, the supercharging device, the water mixing valve and water purification
The pure water return valve of system works, and terminates second stage and rinses.
Preferably, the water purification system further includes the first TDS sensing device, and the TDS sensing device is installed on raw water branch
Road or mixed water branch road；The controller of water purification system is also electrically connected with the TDS sensing device, the controller root of water purification system
The inlet valve, the supercharging device, the water mixing valve and water purification are controlled according to the testing result of the first TDS sensing device
The work of the pure water return valve of system switches to second stage flushing to terminate first stage flushing.
Preferably, the water purification system further includes the 2nd TDS sensing device, and the TDS sensing device is installed on mixed water branch
On road or waste line；The controller of water purification system is also electrically connected with the TDS sensing device, the controller of water purification system
The inlet valve, the supercharging device, the water mixing valve and net are controlled according to the testing result of the 2nd TDS sensing device
The work of the pure water return valve of water system, to terminate second stage flushing.
Preferably, the water purification system further includes the 3rd TDS sensing device, and the TDS sensing device is installed on waste pipe
On the road；The controller of water purification system is also electrically connected with the TDS sensing device, and the controller of water purification system is according to the third
The testing result of TDS sensing device control the inlet valve, the supercharging device, the water mixing valve and water purification system pure water
The work of return valve, to terminate the second rinse stage；
The controller of water purification system according to the testing result of the 3rd TDS sensing device control second inlet valve or
The work of One In and Two Out valve, to recycle waste water.
Preferably, the water purification system further includes pressure-detecting device, and the pressure-detecting device is installed on the pure water
On pipeline；
The controller of the water purification system is also electrically connected with the pressure-detecting device, and the controller of water purification system receives
When the signal detected to the pressure-detecting device, triggering system enters normal water or cleaning procedure processed, control the inlet valve,
The supercharging device, the second inlet valve of the water purification system, water mixing valve and water purification system pure water return valve work, with
Carry out water/flushing processed.
Preferably, the water purification system further includes third flow sensor, and the third flow sensor is installed on described
In pure water pipe；
The controller of the water purification system is also electrically connected with the third flow sensor, and the controller of water purification system connects
When receiving the signal of third flow sensor detection, triggering system enters normal water or cleaning procedure processed, control it is described into
Water valve, the supercharging device, the second inlet valve of the water purification system, water mixing valve and water purification system pure water return valve work
Make, to carry out water/flushing processed.
Preferably, the water storage device, water mixing valve connect to form water storage element with the first check valve, and the water storage element can
Independent integral demounting is mounted in water purification system.
The utility model further increases a kind of purifier, comprising:
Shell；
Water purification system, the water purification system installation is inside the shell；
Wherein, the water purification system includes:
Membrane filter has the raw water mouth being connected to raw water tubes, the pure water mouth being connected to pure water pipe and is connected to waste pipe
Waste water mouth；
Inlet valve is installed on the raw water tubes；
Supercharging device is installed on the raw water tubes between the inlet valve and the membrane filter；
Water fetching device is installed in the pure water pipe；
Water storage device, with a water storage cavity and multiple interconnected mouths of a river excessively, for storing raw water, pure water and by original
One of the mixed water that water and pure water are mixed to form；
Raw water branch, the raw water tubes between raw water branch one end and raw water mouth and inlet valve are connected to the first tie point P point,
The other end is connected with the mouth of a river of crossing of water storage device, so that raw water flows into water storage cavity through raw water branch；
Pure water reflux branch, the pure water pipe between pure water reflux branch one end and membrane filter pure water mouth and water fetching device are connected to
The mouth of a river of crossing of second tie point R point, the other end and water storage device is connected, so that the pure water produced of membrane filter flows back branch through pure water
Flow into water storage cavity；
Branch is rinsed, one end is connected with the mouth of a river of crossing of water storage device, the original between the other end and inlet valve and supercharging device
Water pipe is connected to third tie point Q point so that the water stored in water storage device through rinse branch flow into membrane filter, to membrane filter into
Row rinses；
Water mixing valve, the water mixing valve, which is set to, rinses branch road；
First check valve, it is described to be set to pure water reflux branch road, pure water is flowed to limit raw water through pure water reflux branch
Pipe；
And wastewater valve or waste water hole, the wastewater valve is installed on the waste pipe or the waste water hole is provided with
Membrane filter waste water end, to control wastewater flow.
The technical solution of the utility model, using having a water storage cavity, (all interconnected multiple water storage cavities are considered as
One) and multiple interconnected water storage devices for crossing the mouth of a river, it is mixed to form for storing raw water and pure water and raw water and pure water
Mixed water, when flushing, first with mixing water (the first stage punching for the pure water and raw water for storing pure water or low TDS in water storage device
Wash), (second stage flushing) then is rinsed to membrane filter using the water stored in water storage device.The quantity for crossing the mouth of a river can be with
It is two, or three, by taking three are crossed the water storage device at the mouth of a river as an example, one of water storage device crosses the mouth of a river through raw water branch
Raw water tubes between raw water mouth and inlet valve are connected to, so that raw water flows into water storage cavity；Second is crossed the mouth of a river through pure water reflux branch
Pure water pipe between road and membrane filter pure water mouth and water fetching device is connected to, so that the pure water that membrane filter is produced flows into water storage cavity；Third
A mouth of a river excessively is rinsed branch and is connected to the raw water tubes between inlet valve and supercharging device, a certain amount of pure when being packed into water storage device
After the mixed water of raw water and pure water based on water or pure water, so that the water stored in water storage device flows into membrane filter, to membrane filter
It is rinsed；
It is arranged such, it is ensured that ion infiltration will not occur when the water purification system is in standby, in the membrane filter
Saturating problem, so ensure the water quality for the first cup pure water that water purification system next time, booting was produced can satisfy for need
It asks；And extends the service life of membrane filter, reduce the risk of waste water valve plug valve.
In addition, by the way that the water storage cavity in water storage device is set as being connected to, so that the flushing process in the application will not go out
Show multi-cavity string water (avoiding that water drive tank " quick-fried bag " membrane ruptures occur and are connected to multiple chambers of water storage device) and system is caused to be lost
The phenomenon that effect, occurs；Since water storage device is used only for storage water, air bag/diaphragm is free of, so that the shape of water storage device can be with
It is arranged to arbitrary shape according to actual needs, is conducive to adequately and reasonably using the sky of water treatment facilities (with water purification system)
Between, so that water treatment facilities are compact-sized, stablize.
Water storage device in the application can not need installation extra feedback device for judge in water storage cavity whether
It is full of or has been filled with a certain amount of pure water, greatly reduces the complexity and manufacturing cost of product, and improving system can
By property.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of one embodiment of the utility model water purification system；
Fig. 2 is a status architecture schematic diagram of Fig. 1 embodiment in implementation process；
Fig. 3 is another status architecture schematic diagram of Fig. 1 embodiment in implementation process；
Fig. 4 is another status architecture schematic diagram of Fig. 1 embodiment in implementation process；
Fig. 5 is another status architecture schematic diagram of Fig. 1 embodiment in implementation process；
Fig. 6 is the structural schematic diagram of another embodiment of the utility model water purification system；
Fig. 7 is the structural schematic diagram of the another embodiment of the utility model water purification system；
Fig. 8 is the structural schematic diagram of the utility model water purification system another embodiment；
Fig. 9 is the structural schematic diagram of the utility model water purification system a further embodiment；
Figure 10 is the structural schematic diagram of the utility model water purification system a further embodiment；
Figure 11 is the structural schematic diagram of the utility model water purification system a further embodiment.
Drawing reference numeral explanation:
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture)
Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the
Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one
A this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not within the protection scope of the requires of the utility model.
In order to adequately reducing the TDS value in the first cup water of water purifier, extending the service life of membrane filter and reducing wastewater valve valve
Stifled risk, the utility model proposes a kind of water purification system and its control methods.Fig. 1 is simplest reality during utility model is implemented
Apply mode.
Please refer to Fig. 1, in the present embodiment, water storage device tool crosses the mouth of a river there are three mutually independent, or there are two phases for tool
It is mutually independent to cross the mouth of a river.The water purification system 100 includes membrane filter 10, inlet valve 15, supercharging device 20, water fetching device 25, mixes
The components such as water valve 30, water storage device 35.
The membrane filter 10 has raw water mouth, pure water mouth and waste water mouth；Wherein, the raw water mouth of the membrane filter 10 with
Raw water tubes a (i.e. running water pipe or the water pipe being connected to water source) connection；The pure water mouth and pure water pipe b of the membrane filter 10 connect
Pure water discharge that is logical, being produced for the membrane filter 10；The waste water mouth of the membrane filter 10 is connected to waste pipe c, for described
The waste water discharge generated when 10 Pure-water Making of membrane filter.
The inlet valve 15 can be solenoid valve, be also possible to armstrong's patent valve, does not do and has to the inlet valve 15 at this
The restriction of body, the inlet valve 15 are installed on the raw water tubes a, are in and are beaten in 100 Pure-water Making of water purification system
Open state is in close state when the water purification system 100 is standby.
By taking booster pump as an example, booster pump 20 is installed on the raw water tubes a supercharging device 20, preferably, the increasing
Press pump 20 is installed on the raw water tubes a between the membrane filter 10 and the inlet valve 15, and the booster pump 20 not only drives institute
The raw water stated in raw water tubes a flows into the membrane filter 10, but also the raw water hydraulic pressure in the raw water tubes a can be improved, with
The raw water hydraulic pressure for ensuring to flow into the membrane filter 10 is sufficiently high, and then ensures that the membrane filter 10 being capable of normal Pure-water Making.
Preferably, the booster pump 20 be freq uency conversion supercharging pump 20, due to freq uency conversion supercharging pump 20 frequency be it is adjustable, thus
The working frequency for adjusting freq uency conversion supercharging pump 20 according to their own needs convenient for user, it is a large amount of pure when needing to obtain in user's short time
When water, the working frequency that freq uency conversion supercharging can be pumped 20 by user is turned up, and passes through freq uency conversion supercharging pump 20 within the unit time at this time
Raw water water can be relatively more, to ensure that the raw water water entered in the membrane filter 10 in the unit time can also increase accordingly
Add, and then is conducive to improve the pure water amount obtained in 10 unit time of membrane filter；When needing to obtain in user's short time
Pure water amount it is less when, user can by freq uency conversion supercharging pump 20 working frequency turn down, pass through frequency conversion within the unit time at this time
The raw water water of booster pump 20 is fewer, but the raw water entered in the membrane filter 10 can be filtered adequately, in turn
Be conducive to improve the utilization rate of water resource.
The water fetching device 25 can be solenoid valve, be also possible to armstrong's patent valve, not to the water fetching device 25 at this
Do specific restriction；The water fetching device 25 is installed on the water outlet of the pure water pipe b, is in and beats when user takes pure water
Open state is in close state at the end of user's water intaking.The water fetching device 25 can also be Intelligent water taking device, water intaking
When device opens or closes, signal can will be opened or closed automatically and send controller to, and can have detection effluent quality
Function.
The water fetching device water storage device has a water storage cavity (all interconnected multiple water storage cavities are considered as one)
With it is multiple it is interconnected cross the mouths of a river, the mixed water for storing raw water and pure water and raw water and pure water is mixed to form；
By taking three are crossed the water storage device at the mouth of a river as an example, one of water storage device cross the mouth of a river through raw water branch and raw water mouth and into
Raw water tubes between water valve are connected to P point, so that raw water flows into water storage cavity；Second is crossed the mouth of a river through pure water reflux branch and membrane filtration
Pure water pipe between core pure water mouth and water fetching device is connected to R point, so that the pure water that membrane filter is produced flows into water storage cavity；Third mistake
Raw water tubes of the mouth of a river through rinsing between branch and inlet valve and supercharging device are connected to Q point, a certain amount of when being packed into water storage device
After the mixed water of raw water and pure water based on pure water or pure water, so that the water stored in water storage device flows into membrane filter, to membrane filtration
Core is rinsed；
In some embodiments, in order to control the mixability of raw water and pure water in water storage cavity, in the water storage device
Diversion pipe, diaphragm or separator are provided with the water storage device to be separated to form to interconnected two parts, to subtract
The degree that the water that few pure water is filled in water storage device Shi Yuyuan water storage device is mixed.Realize that the mode for reducing mixability has
Very much, being arranged side by side such as in water storage cavity has several mutually isolated runner, and one end of runner is connected to first end, the other end and
Second end connection, so that a large amount of water is respectively positioned in runner in water storage device, when second end is filled with pure water, pure water is by runner
In water to first end squeeze.Since the cross-sectional area of each runner is relatively small, so that shipwreck in runner to mix.
In some embodiments, it in order to avoid adverse current, water purification system are additionally provided with the first check valve 105, is installed on described
On pure water return pipe, water tank and raw water branch can only be flowed to from pure water pipe for limiting water, prevents water through pure water return line flow
Enter in pure water pipe；
Water mixing valve is set to and rinses branch road, for controlling flushing process；
Wastewater valve, the wastewater valve are installed on the waste pipe, to control wastewater flow.
" wastewater valve " of water purification industrial practice refer to set foraminate solenoid valve block at.When the solenoid valve of wastewater valve is closed
When, waste water can only be flowed out from aperture, and flow is limited, and flow velocity depends on the pressure of water and the size of aperture.Work as wastewater valve
Solenoid valve open when, wastewater valve standard-sized sheet, waste water energy be directly over solenoid valve outflow, at this time wastewater valve do not have metering function.
Can also waste water hole directly be arranged in membrane filter waste water mouth in optimization, and substitution wastewater valve realizes limitation wastewater flow.
It is worth noting that water storage device, water mixing valve and the first check valve can be used as the entirety of a water storage element,
And then realize equipment that water storage element is external as one, can carry out according to the demand of user whole installation, disassembly and
Replacement, in this way, being conducive to the maintenance and assembly of water purification system.Specifically, by the water storage device, water mixing valve and the first check valve
Connection forms water storage element, the water storage element can independent integral demounting be mounted in water purification system.In this way, can be by water storage
Accessory of the component as a purifier, can easily more actual conditions be installed, dismantled and are replaced.
It is worth noting that in other embodiments, return valve can also be also used as to a portion of water storage element
Point, i.e., water storage element further includes return valve.The adaptability of water storage element and versatility can be so further improved.
The working principle of the water purification system will be simply introduced below: where water storage device is by taking water tank as an example；
The flushing of membrane filter is divided into two stages: the first stage rinses and second stage is rinsed.
First stage rinses the mixing that pure water or raw water and pure water based on pure water are mainly filled with into water storage device
Water；
The pure water that second stage mainly uses the water storage device first stage to store or the raw water based on pure water and pure water
Water is mixed to be rinsed membrane filter.
When intake switch is closed, the specific control process and working principle of water purification system are as follows:
First stage rinses: when intake switch is closed, by control, inlet valve is opened, water mixing valve ON/OFF, supercharging device are opened,
Pure water can be filled in water tank.
Second stage is rinsed: when being filled with the pure water of predetermined amount in water tank, can be closed by control inlet valve, water mixing valve
It opens, supercharging device ON/OFF, is used for the pure water stored in water tank extrusion to rinse membrane filter.
Table 1 is the working condition table of rinse mode and each water route component, wherein the pipeline for having water flow to pass through solid line table
Show, the pipeline that non-water flow passes through is represented by dashed line
The some embodiments that the utility model design may be implemented are specifically described below:
Embodiment one, referring to Fig. 6, in order to limit system normally water processed when, pure water flows back through pure water reflux branch, causes net
Water system pure water flow significantly reduces,
Pure water return valve 104 can be arranged on pure water reflux branch road in optimization, and the structure chart of specific embodiment is shown in figure
6, in the present embodiment, water storage device is for being arranged there are three the mouth of a river is crossed.The inlet valve 104 can be solenoid valve, can also be with
It is armstrong's patent valve, at this specific restriction is not done to the inlet valve 104.
As Fig. 6 embodiment in, when user needs to fetch water, the water fetching device 25 can be opened, the controller receives
To the water fetching device 25 open signal when, trigger the inlet valve 15, water mixing valve 30, the booster pump 20 and the pure water
The control circuit of return valve 105, opened or closed with controlling the inlet valve 15 and the unlatching of the booster pump 20, water mixing valve 30,
Pure water return valve 105 is closed, so that raw water is entered in the membrane filter 10 and is filtered, institute by the raw water tubes a
It states the pure water that membrane filter 10 is produced to be discharged by the pure water pipe b so that user takes, 10 Pure-water Making of membrane filter is produced
Raw waste water then passes through the waste pipe c discharge.
At the end of user's water intaking, the water fetching device 25 can be closed, the controller receives the water fetching device
When the signal of 25 closings, carry out first stage flushing: the controller triggers the inlet valve 15, the booster pump 20, second
The control circuit of inlet valve 107 and the pure water return valve 104 is continued with controlling the inlet valve 15 and the booster pump 20
It keeps it turned on, while controlling the pure water return valve 104 and opening, water mixing valve is closed, at this point, what the membrane filter 10 was produced
Pure water is flowed by the pure water return pipe d in the water storage cavity of water storage device 35, and water original in the water storage cavity is squeezed out,
The water of extrusion imports in raw water tubes through mixed water branch e.(working principle is shown in Fig. 2)
Or at the end of user's water intaking, the water fetching device 25 can be closed, the controller receives the water intaking dress
When setting the signal of 25 closings, carry out first stage flushing: the controller triggers the inlet valve 15, the booster pump 20, the
The control circuit of two inlet valves 107 and the pure water return valve 104, with control the inlet valve 15 and the booster pump 20 after
It is continuous to keep it turned on, while the pure water return valve 104 and water mixing valve unlatching are controlled, at this point, what the membrane filter 10 was produced
Pure water is flowed by the pure water return pipe d in the water storage cavity of water storage device 35, and water original in the water storage cavity is squeezed out,
The water of extrusion imports in raw water tubes through raw water branch f.(working principle is shown in Fig. 3)
After being packed into a certain amount of pure water in water storage device, rinsed into second stage: controller triggering it is described into
The control circuit of water valve 15, the booster pump 20, the second inlet valve 107 and the pure water return valve 104, with control it is described into
Water valve 15 is closed, the booster pump 20 continues to keep it turned on, while controlling the pure water return valve 104 and keeping it turning on shape
State, water mixing valve 30 are opened, so that raw water separately flows into water storage device, while the pure water warp that membrane filter is produced through raw water branch f
Pure water reflux branch d is back in water storage device, and the pure water stored in water storage device on last stage is squeezed out to membrane filter, right
Membrane filter is rinsed.A portion water is cleaned into pure water again, and the road d through pure water reflux is back to water storage device again
In, another part water carries the TDS in membrane filter and is discharged from waste water end.(working principle is shown in Fig. 4)
Or after being packed into a certain amount of pure water in water storage device, the controller triggers the inlet valve 15, the increasing
The control circuit of press pump 20, the second inlet valve 107 and the pure water return valve 104 is closed, institute with controlling the inlet valve 15
The closing of booster pump 20 is stated, pure water return valve 104 is closed, water mixing valve 30 is opened, and is filled so that raw water flows into water storage through raw water branch f
It sets, the pure water stored in water storage device on last stage is squeezed out into membrane filter, membrane filter is rinsed, it will be high in membrane filter
The raw water and concentrated water of concentration are discharged from waste water end.(working principle is shown in Fig. 5)
After such setting, what is be full of in membrane filter is exactly that the pure water of pure water or low TDS accounts for the mixed of leading pure water and raw water
Water allows for that ion phenomenon of osmosis will not substantially occur in the membrane filter 10 in this way, and then ensures the water purification system
100 next times, which opened the first cup pure water that water processed is produced, can satisfy the demand of user；Membrane filter and wastewater valve are immersed in simultaneously
In the water of low TDS, to extend the service life of membrane filter, and the valve plug risk of wastewater valve is reduced.
In addition, by the way that the water storage cavity in water storage device is set as being connected to, so that the flushing process in the application will not go out
Show multi-cavity string water (being connected to multiple chambers of water storage device due to avoiding generation water drive tank " quick-fried bag " membrane ruptures) and causes to rush
The phenomenon that washing thrashing appearance；Since water storage device is used only for storage water, air bag/diaphragm is free of, is become without itself
Shape cooperates with other components, and the shape of water storage device is allowed to be arranged to arbitrary shape according to actual needs,
Be conducive to adequately and reasonably using the space of water treatment facilities (with water purification system), so that water treatment facilities are compact-sized, steady
It is fixed.
Water storage device uses the common container (without setting stomata) with multiple outlets as water storage device, this water storage
Device not only can store raw water, but also can store pure water, and when being filled with pure water, pure water can squeeze out water original in water storage cavity.When
When needing to rinse, pure water is squeezed out into membrane filter using the mixed water that raw water or raw water and pure water are formed, is used for flushing membrane
Filter core.The rinse-system is simple and reliable, realizes preferable flushing effect with lower cost.
Waste water reuse system can also be arranged in the water purification system of this patent, recovery section waste water is used for, with lifting system
Practical pure water recovery rate saves water resource.
Water purifier normally water processed when, the waste water TDS being discharged from waste water mouth is very high, usually 2-4 times of raw water, this part
Waste water is irretrievable (only when raw water quality is fine, just suggesting recycling), and reuse can aggravate the burden of membrane filter by force, lead
The aggravation of membrane filter life time decay is caused, while will lead to the pure water water degradation produced.But when to membrane filter progress pure water rinsing
Afterwards, what is be full of in membrane filter is the water of low TDS, water purifier again water processed when, the water of these low TDS can become concentrated water, first from
The discharge of waste water mouth.Therefore water purifier again water processed when the TDS of this part concentrated water that is discharged first it is very low.Even also than raw water TDS
It is low, it can be with reuse.In actual recovered, this effluent part is reused for water processed before flowing back into pump, or flows back into water storage device
In, it is stored.
Referring to Fig. 6, it is provided with wastewater valve 95 and the second inlet valve 107 on the waste pipe c, the wastewater valve 95 is located at institute
It states between the second inlet valve 107 and the waste water mouth of the membrane filter；The water inlet end of the return of waste water pipe and the wastewater valve and
Waste pipe c connection between second inlet valve 107, the water outlet of the return of waste water pipe h and the raw water tubes a or raw water branch
Mixed water branch e between road f or water storage device and water mixing valve or the pure water reflux branch between water storage device and the first check valve
D is connected to the 4th tie point N, by Sewage treatment.
When the second inlet valve 107 is opened, waste water is directly discharged through waste pipe；When the second inlet valve 107 is closed, give up
Water flows back through return of waste water pipe.It is arranged such with recovery section waste water, the practical pure water recovery rate of lifting system, saves water money
Source.
The setting third check valve 115 on return of waste water branch road of optimization, it is direct through return of waste water pipeline h to limit raw water
It is flowed out from waste water end.
Due to the draft of booster pump, the practical pressure for being lower than raw water of hydraulic pressure in raw water tubes.It is very low in order to limit raw water pressure
When (be lower than 0.15MPa) when, waste water flows back through return of waste water branch automatically.Can selecting for optimization starts pressure with one
Check valve (such as by-passing valve and relief valve), i.e., when the pressure of water is lower than starting pressure, water forward direction also can not be by check valve, only
When the pressure of water be higher than starting pressure when, water just can forward direction pass through check valve.So set, when the second inlet valve is opened,
Even if raw water pressure is extremely low, also below starting pressure, waste water can not flow back the pressure of waste water through return of waste water pipeline h.
Embodiment two replaces the second inlet valve using One In and Two Out valve 108 (triple valve) and carries out return of waste water referring to Fig. 7.
Its water inlet is located on the waste line after the wastewater valve, and one water outlet is connected to useless for recycling with return of waste water pipe
Water, another water outlet are connected for directly waste water to be discharged with waste pipe.
One end of return of waste water pipe, the return of waste water pipe is connected to one water outlet of One In and Two Out valve, the other end with it is described
Between mixed water branch or water storage device and the first check valve between raw water tubes or raw water branch or water storage device and water mixing valve
Pure water reflux direct pipeline is connected to the 4th tie point N, by Sewage treatment.
When the outlet that One In and Two Out valve 107 connects waste pipe is opened, waste water is directly discharged through waste pipe；When the second water inlet
When the outlet that valve connects return of waste water pipeline is opened, waste water flows back through return of waste water pipe.It is arranged such with recovery section waste water, mentions
The practical pure water recovery rate of the system of liter saves water resource.
In some embodiments, in order to improve the fluency that pure water flows back, the water purification system further includes pressure reducing valve 36, institute
It states on the raw water tubes a before pressure reducing valve 36 is installed on third tie point P.Pressure reducing valve 36 reduces punching for reducing the pressure of raw water
The back pressure that pure water flows back when washing promotes flushing effect.
The signal feedback control procedures of above-described embodiment
In view of user is when using the water purification system 100, the section control water purification system in different times is needed
Being turned on or off for 100 different elements, thus brings inconvenience to users, in consideration of it, the water purification system of the utility model
System 100 further includes controller (not shown), and the controller can be single-chip microcontroller or PWM controller, the controller difference
With inlet valve 15, booster pump 20, water fetching device 25, the second inlet valve 107 and the pure water return valve in the water purification system 100
104 are electrically connected, and it is corresponding to control the water purification system 100 when the water purification system 100 is in different conditions for the controller
Component work.
When user needs to fetch water, the water fetching device 25 can be opened, the controller receives the water fetching device 25
When the signal of opening, the control of the inlet valve 15, water mixing valve 30, the booster pump 20 and the pure water return valve 104 is triggered
Circuit is opened with controlling the inlet valve 15 and the booster pump 20, and water mixing valve 30 opens or closes, the pure water return valve
104 are shut off such that raw water is entered in the membrane filter 10 and is filtered by the raw water tubes a, and the membrane filter 10 is made
The pure water taken is discharged by the pure water pipe b so that user takes, and waste water caused by 10 Pure-water Making of membrane filter then leads to
It crosses the waste pipe c discharge or is recycled by return of waste water pipe h.
At the end of user's water intaking, the water fetching device 25 can be closed, the controller receives the water fetching device
When the signal of 25 closings, carry out first stage flushing: the controller triggers the inlet valve 15, the booster pump 20, second
The control circuit of inlet valve 107 and the pure water return valve 104 is continued with controlling the inlet valve 15 and the booster pump 20
It keeps it turned on, while controlling the pure water return valve 104 and keeping it turned on, water mixing valve unlatching/closing, at this point, described
The pure water that membrane filter 10 is produced is flowed by the pure water return pipe d in the water storage cavity of water storage device 35, and by the water storage cavity
Interior original water squeezes out, and the water of extrusion imports in raw water tubes through mixed water branch e (Fig. 2) or raw water branch f (Fig. 3).
Reach the first preset time (timer) when the controller receives water storage cavity and is filled with pure water, or works as the control
Device receives the pure water amount that water storage cavity is equipped with and reaches the first preset vol (first flow detection device 45), or works as the controller
Receive water storage cavity discharge water TDS be lower than the first default TDS value (the first TDS sensor 110) signal when, carry out second-order
Duan Chongxi: the controller triggers the control circuit of the pure water return valve 104, is closed with controlling the inlet valve 15, is described
20 unlatchings of booster pump/closing, while 104 unlatchings of the pure water return valve/closing is controlled, water mixing valve 30 is opened, and water storage fills at this time
The pure water for setting first stage storage, which is extruded in membrane filter, is rinsed membrane filter, so that the membrane filter 10
The TDS of interior water is greatly reduced, and then avoids the problem of ion diffusion occurs in the membrane filter 10.
Reach the second preset time (timer) when the controller received for the second rinse stage time, or works as the control
The water that device processed receives the second rinse stage water storage cavity extrusion reaches the second preset vol (second flow detection device 85),
Or (the 2nd TDS is passed when the water TDS that the controller receives the discharge of the second rinse stage water storage cavity is higher than the second default TDS value
Sensor 110) signal when, terminate rinse-system it is standby.
Simply, the water purification system 100 can by the timer (not shown) that is electrically connected with the controller come
Control is rinsed the membrane filter 10 and stops rinsing.When filling pure water to water storage device 35 and reaching default first time,
The controller triggers the inlet valve 15, the booster pump 20, second inlet valve 107 and the pure water return valve
104 control circuit is switched to second stage flushing to terminate first stage flushing.When second stage flushing reaches default the
When two time, the controller triggers the inlet valve 15, the booster pump 20, second inlet valve 107 and described pure
The control circuit of water return valve 104 stops second stage and rinses, system standby.
Whether predetermined amount is packed into water storage cavity for the ease of more accurately confirming first stage flushing water storage device 35
Whether pure water and second stage are rinsed in the water storage cavity of water storage device 35 has the water of predetermined amount to be discharged for rinsing membrane filter,
In one embodiment of the utility model, Fig. 7 is please referred to, the water purification system 100 further includes first flow detection device 45 and
Two flow detectors 85, the controller is also connected with the testing result of the first/bis- flow detector, described in triggering
The control of inlet valve 15, the booster pump 20, the pure water return valve 104, the water mixing valve 30 and second inlet valve 107
Circuit, to control the inlet valve 15, the booster pump 20, the pure water return valve 104, the water mixing valve 30 and described second
Inlet valve 107 works.
The first flow detection device 45 is installed on pure water reflux branch d, when the first rinse stage is to water storage device
When the built-in pure water of 35 water storage cavity, passage at any time by the pure water flow back branch d pure water amount increase, when described the
When one flow detector 45 detects the pure water for being packed into default first volume in water storage cavity, triggering second stage is rinsed.
The second flow detection device 85 is installed on raw water branch f, when the second rinse stage will be in water storage device 35
The pure water of storage when squeezing out, passage at any time is by the amount increase of the raw water of the raw water branch f, when the second flow
When detection device 85 detects that the second rinse stage reaches default second volume by the raw water amount of raw water branch f, terminate second
Stage rinses.Or the second flow detection device 85 can also be installed on waste pipe c, when the second rinse stage fills water storage
When the pure water for setting the storage in 35 is pushed to membrane filter and is rinsed, passage at any time passes through the waste pipe c waste water being discharged
Amount increases, when the second flow detection device 85 detects that wastewater flow rate of second rinse stage by waste pipe discharge reaches pre-
If when the second volume, terminating second stage and rinsing.
For the ease of more accurately whether the flushing of confirmation first/second stage terminates, in an embodiment of the utility model
In, Fig. 7 is please referred to, the water purification system 100 further includes the first TDS sensor 110 and the 2nd TDS sensor 111, the control
Device processed is also connected with the testing result of the first/bis- TDS sensor, triggers the inlet valve 15, booster pump 20, described
The control circuit of pure water return valve 104, the water mixing valve 30 and second inlet valve 107, to control the inlet valve 15, institute
State booster pump 20, the pure water return valve 104, the water mixing valve 30 and second inlet valve 107 work.
When rinsing the first stage, water mixing valve 30 is remained turned-off, then will be in water storage device when pure water flows into water storage device 35
Original water is squeezed out through raw water branch f, then the first TDS sensor 110 is installed on raw water branch.When the first rinse stage to
When the built-in pure water of the water storage cavity of water storage device 35, the water TDS that passage at any time is extruded by the raw water branch f is increasingly
It is low, it is finally consistent with pure water TDS, when the first TDS sensor 110 detects that the water TDS for flowing through raw water branch f is lower than
Default first TDS value, triggering second stage are rinsed.Or when rinsing the first stage, water mixing valve 30 is opened, then pure water flows into water storage
Water original in water storage device is squeezed out through mixed water branch e when device 35, then the first TDS sensor 110 is installed on mixed water
Branch road, when the built-in pure water of the water storage cavity of the first rinse stage to water storage device 35, passage at any time passes through the mixed water
The water TDS that branch e is extruded is lower and lower, is finally consistent with pure water TDS, when the first TDS sensor 110 detects
The water TDS for flowing through mixed water branch e is lower than default first TDS value, and triggering second stage is rinsed.
The 2nd TDS sensor 111 is installed on mixed water branch e, when the second rinse stage will be in water storage device 35
When the pure water of storage squeezes out, the pure water of extrusion flows into membrane filter 10 through mixed water branch e and is rinsed, and passage at any time passes through institute
Stating the water TDS that mixed water branch e is extruded can gradually rise, when the 2nd TDS sensor 111 detects the second rinse stage
When water TDS through overmulling water branch e is higher than default 2nd TDS value, terminates second stage and rinse.Or the 2nd TDS sensor
111 can also be installed on waste pipe c, when the pure water of the storage in water storage device 35 is squeezed a membrane filter by the second rinse stage
When being rinsed, passage at any time is constantly reduced by the TDS of the waste pipe c waste water being discharged, when the 2nd TDS is sensed
When device 111 detects that waste water TDS of second rinse stage by waste pipe discharge is lower than default 3rd TDS value, terminate second-order
Duan Chongxi.
Lead to occur ion diffusion in the membrane filter 10 in order to avoid 100 stand-by time of water purification system is too long
Phenomenon, the water purification system 100 are additionally provided with time set (not shown), and the time set is for detecting the water purification system
100 standby times, the controller and the time set are electrically connected, and the controller is according to the detection of the time set
As a result, triggering the inlet valve 15, the booster pump 20, second inlet valve 107, the water mixing valve 30 and described pure
The control circuit of water return valve 104, to control the inlet valve 15, the booster pump 20, described in the water mixing valve 30 second into
Water valve 107 and the pure water return valve 104 work, to be rinsed to the membrane filter 10.So set, ensure that described
The membrane filter 10 of water purification system 100 will be cleaned once at regular intervals, and this assures inside the membrane filter 10
Ion diffusion phenomena will not occur, while also ensuring the freshness of the water in the membrane filter 10.
It is, of course, also possible to which by the way that a cleaning switch is arranged on the controller, user is defeated by the cleaning switch
Enter clear instruction, the controller receive trigger after clear instruction the inlet valve 15, the booster pump 20, described second into
The control circuit of water valve 107, the water mixing valve 30 and the pure water return valve 104, to control the inlet valve 15, the increasing
Press pump 20, the water mixing valve 30, second inlet valve 107 and the pure water return valve 104 work, to the membrane filter
10 are rinsed.
For the ease of confirming whether the water purification system 100 terminates water processed, i.e., convenient for the confirmation water purification system 100
Whether water fetching device 25 closes, and in an embodiment of the utility model, the water purification system 100 further includes pressure detecting dress
Set 96, the pressure-detecting device 96 can be pressure sensor, pressure switch or other be able to detect the device of hydraulic pressure, institute
It states pressure-detecting device 96 to be installed on the pure water pipe b, is used to detect the hydraulic pressure in the pure water pipe b.Specifically, working as institute
When stating water fetching device 25 and closing, the membrane filter 10 can't stop water processed immediately, but the pure water that the membrane filter 10 is produced
It can be discharged into the pure water pipe b, at this point, the hydraulic pressure in the pure water pipe b will increase, when the controller receives the pressure
When detection device 96 detects that the hydraulic pressure in the pure water pipe b is higher than the signal of default first hydraulic pressure value, the controller can be touched
Send out inlet valve 15 described, the work of the booster pump 20, the water mixing valve 30 and the pure water return valve 104, to described
Membrane filter 10 is rinsed；When the water fetching device 25 is opened, the controller receives the pressure-detecting device 96 and examines
When measuring hydraulic pressure in the pure water pipe b lower than the second default hydraulic pressure value, the controller can trigger the inlet valve 15, described
The work of water mixing valve 30, the booster pump 20 and the pure water return valve 104, to start water processed.
In order to improve the detection accuracy of the pressure-detecting device 96, it is unidirectional that the water purification system 100 is additionally provided with the 4th
Valve 97, the 4th check valve 97 are installed on the pure water pipe b between the excessively described membrane filter 10 and the water fetching device 25.So
Setting, it is ensured that the pure water in the pure water pipe b of 97 water outlet side of the 4th check valve will not be back in the membrane filter 10, into
And ensure the accuracy of the hydraulic pressure in pure water pipe b that the third pressure-detecting device 96 detects.
For the ease of confirming whether the water purification system 100 terminates water processed, i.e., convenient for the confirmation water purification system 100
Whether water fetching device 25 closes, and in an embodiment of the utility model, the water purification system 100 further includes the inspection of third flow
Device 109 is surveyed, the second flow detection device 109 is installed on the pure water pipe b, is used to detect in the pure water pipe b
Whether water flowing is had.Specifically, water stops flowing in pure water pipe b, when the controller connects when the water fetching device 25 is closed
It receives third flow detector 109 and detects that water stops the signal of flowing in the pure water pipe b or flow velocity is preset lower than first
When flow velocity, the controller can trigger the inlet valve 15, the booster pump 20, the water mixing valve 30 and the pure water and return
The work of valve 104 is flowed, to be rinsed to the membrane filter 10；When the water fetching device 25 is opened, the controller is received
Detect that water starts flowing in the pure water pipe b or flow velocity is higher than preset second level to the third flow detector 109
When the signal of flow velocity, the controller can trigger the inlet valve 15, the water mixing valve 30, the booster pump 20 and described pure
The work of water return valve 104, to start water processed.
For the ease of confirming whether the water fetching device is opened, Intelligent water taking device, water intaking dress is can be used in water fetching device
Set when opening/closing, signal is transmitted directly to controller, the controller can trigger the inlet valve 15, the water mixing valve 30,
The booster pump 20 and the pure water return valve 104, to start water/flushing processed.
In order to extend the service life of the membrane filter 10, in an embodiment of the utility model, the water purification system
100 further include front filter element 98, and the front filter element 98 is installed on the raw water tubes a.It should be noted that the preposition filter
The quantity of core 98 can be one, multiple or composite filter element, and the front filter element 98 can be P cotton filter core, active carbon filter core
Or other filter cores with filtering function, do not do specific restriction herein.Front filter element 98 is set before the membrane filter 10,
This makes it possible to effectively filter out large granular impurity in raw water, and then avoids granule foreign in raw water and be attached to the membrane filtration
On in core 10, and the problem for causing the membrane filter 10 blocked occurs, and then the problem of shorten 10 service life of membrane filter
Occur.
Preferably, the front filter element 98 is composite filter element, which includes non-woven fabrics, carbon fiber and three layers of P cotton
It is compounded to form, i.e. the composite filter element set function of carbon fiber filter core and P cotton filter core, namely with a filter core can replace two
Filter core, which reduces the quantity of front filter element 98, so that installation space required for entire water purification system 100 is more
It is small.
In order to promote the water quality and mouthfeel of pure water, in an embodiment of the utility model, Fig. 1, Fig. 6~figure are please referred to
11, the water purification system 100 further includes postposition filter core 99, and the postposition filter core 99 is serially connected on the pure water pipe b.It needs to illustrate
, the quantity of the front filter element 98 can be one, multiple or composite filter element.The postposition filter core 99 can be work
Property filtration core or ultra-filtration element, active carbon filter core can go chlorine residue in water removal, different mainly using active carbon as primary raw material
Taste etc., while the mouthfeel of water can also be improved, and then be conducive to be promoted the experience of user, ultra-filtration element can further be gone in water removal
The pollutants such as colloid, iron rust, suspended matter, silt and larger molecular organics.
It should say to be, the inlet valve 15, pressurization in each embodiment of the utility model, in the water purification system 100
The control circuit for pumping 20, pure water return valve 104, water mixing valve 30, the second inlet valve 107 and other elements is existing electricity
Road just repeats no more the control circuit of each element in the water purification system 100 at this.
In order to save water resource, return of waste water system can also be arranged in the water purification system of this patent, useless with reflux a part
Water.After carrying out pure water rinsing, what is be full of in RO is the water of low TDS, when water processed next time, one, the water of the low TDS in this part
Divide and be cleaned into pure water, another part becomes waste water and flows out from waste water mouth, therefore after pure water rinsing, is discharged earliest when water processed again
Waste water TDS is very low, the even much lower than TDS of raw water, therefore this effluent part is recuperable.With the water time processed
Delay, the TDS of waste water can gradually rise, and finally be not suitable for continuing to recycle.
When carrying out water processed again after pure water rinsing, the controller can trigger the second inlet valve closing or triple valve
107 connection return of waste water outlets, have just started to carry out waste water recycling when water processed.When reaching the default third time between upon recovery, institute
The second inlet valve unlatching or the outlet of the connection waste pipe of triple valve 107 can be triggered by stating controller, stop Sewage treatment.
Optimization for more precise control waste water recycling process, the 4th flow detection can be set on waste line c
Device 112 or the 3rd TDS sensor, the wastewater flow being discharged when the 4th flow detector 112 detects water processed again reach
When to default third volume, or when the 3rd TDS sensor 113 detects that waste water TDS is higher than default 4th TDS value, the control
Device processed can trigger the second inlet valve unlatching or triple valve 107 is connected to waste pipe outlet, stop recycling waste water.
Embodiment three, such as the example of Fig. 8, in order to further enhance rinsing result and simplifying water storage device interface, optimization
Pure water can be flowed back branch d and mixed water rinses branch e and be connected with the same mouth of a river of crossing of water storage device, and pure water, which flows back, branch d and to be mixed
Water rinses branch e and is intersected in T point, and there are two what is be interconnected to cross the mouth of a river for water storage device tool at this time.Corresponding backwashing manner can be sent out
Raw to change, the setting such as flow detector/TDS detection device position can also finely tune.The structure chart of specific embodiment is shown in
Shown in Fig. 8, in the present embodiment, there are two the mouth of a river is crossed, water storage device is mounted on f pipe water storage device tool, T point and water storage device
One is crossed mouth of a river connection.
When user needs to fetch water, the water fetching device 25 can be opened, the controller receives the water fetching device 25
When the signal of opening, the control of the inlet valve 15, water mixing valve 30, the booster pump 20 and the pure water return valve 104 is triggered
Circuit is opened with controlling the inlet valve 15 and the booster pump 20, and water mixing valve 30 opens or closes, so that raw water passes through institute
It states raw water tubes a to enter in the membrane filter 10 and be filtered, the pure water that the membrane filter 10 is produced passes through the pure water pipe
B discharge is taken for user, and waste water caused by 10 Pure-water Making of membrane filter then passes through the waste pipe c discharge.
At the end of user's water intaking, the water fetching device 25 can be closed, the controller receives the water fetching device
When the signal of 25 closings, carry out first stage flushing: the controller triggers the inlet valve 15, the booster pump 20, second
The control circuit of inlet valve 107 and the pure water return valve 104 is continued with controlling the inlet valve 15 and the booster pump 20
It keeps it turned on, while controlling the pure water return valve 104 and keeping it turned on, water mixing valve is closed, at this point, the membrane filter
10 pure water produced are flowed by the pure water return pipe d in the water storage cavity of water storage device 35, and will be original in the water storage cavity
Water squeeze out, the water of extrusion imports in raw water tubes through raw water branch f.
After being packed into a certain amount of pure water in water storage device, rinsed into second stage: controller triggering it is described into
The control circuit of water valve 15, the booster pump 20, the second inlet valve 107 and the pure water return valve 104, described in control
Inlet valve 15 is closed, the booster pump 20 continues to keep it turned on, while controlling the pure water return valve 104 and keeping it turning on shape
State, water mixing valve 30 is opened, so that raw water separately flows into water storage device through raw water branch f, will be deposited in water storage device on last stage
The pure water of storage squeezes out, while the pure water produced of membrane filter is through pure water reflux branch d reflux, the pure water that is extruded in water storage device and
The pure water that membrane filter is produced crosses and T point and is mixed, and flows into membrane filter together and is rinsed.A portion water again by
Be cleaned into pure water, the road d through pure water reflux is back in water storage device again, another part water carry membrane filter in TDS from
The discharge of waste water end.
Or after being packed into a certain amount of pure water in water storage device, the controller triggers the inlet valve 15, the increasing
The control circuit of press pump 20, the second inlet valve 107 and the pure water return valve 104 is closed, institute with controlling the inlet valve 15
The closing of booster pump 20 is stated, pure water return valve 104 is closed, water mixing valve 30 is opened, so that raw water flows into water storage through raw water branch f
The pure water stored in water storage device on last stage is squeezed out into membrane filter, is rinsed to membrane filter by device, will be in membrane filter
The raw water and concentrated water of high concentration are discharged from waste water end.
It is arranged such, it is ensured that ion infiltration will not occur when the water purification system is in standby, in the membrane filter
Saturating problem, so ensure the water quality for the first cup pure water that water purification system next time, booting was produced can satisfy for need
It asks；And extend the service life of membrane filter；Reduce the fouling risk of wastewater valve.
Example IV, such as the example of Fig. 9, in order to further enhance rinsing result and simplifying water storage device interface, optimization
The branch d and raw water branch f that pure water can be flowed back is connected with the same mouth of a river of crossing of water storage device, pure water reflux branch d and raw water branch
Road f is intersected in T point, and there are two what is be interconnected to cross the mouth of a river for water storage device tool at this time.Corresponding, backwashing manner can change
The setting such as change, flow detector/TDS detection device position can also finely tune.The structure chart of specific embodiment is shown in Fig. 9 institute
Show.In the present embodiment, for water storage device by taking two are crossed the mouth of a river as an example, pure water reflux branch d and raw water branch f is intersected in T point.
When user needs to fetch water, the water fetching device 25 can be opened, the controller receives the water fetching device 25
When the signal of opening, the control circuit of the inlet valve 15, water mixing valve 30 and the booster pump 20 is triggered, to control the water inlet
Valve 15 and the booster pump 20 are opened, and water mixing valve 30 opens or closes, so that described in raw water entered by the raw water tubes a
It in membrane filter 10 and is filtered, the pure water that the membrane filter 10 is produced is discharged by the pure water pipe b so that user takes, institute
It states waste water caused by 10 Pure-water Making of membrane filter and then passes through the waste pipe c discharge.
At the end of user's water intaking, the water fetching device 25 can be closed, the controller receives the water fetching device
When the signal of 25 closings, carry out first stage flushing: the controller triggers the inlet valve 15, the booster pump 20, second
The control circuit of inlet valve 107 and the pure water return valve 104, to control the inlet valve 15, the booster pump 20, pure water
Return valve 104 and water mixing valve are kept it turning on, at this point, the pure water that the membrane filter 10 is produced is flowed by the pure water return pipe d
In the water storage cavity for entering water storage device 35, and water original in the water storage cavity is squeezed out, the water of extrusion imports former through mixed water branch e
In water pipe.
After being packed into a certain amount of pure water in water storage device, rinsed into second stage: controller triggering it is described into
The control circuit of water valve 15, the booster pump 20, the second inlet valve 107 and the pure water return valve 104, described in control
Inlet valve 15 is closed, the booster pump 20 continues to keep it turned on, while controlling the pure water return valve 104 and keeping it turning on shape
State, water mixing valve 30 are opened, so that raw water is through raw water branch f, while the pure water that membrane filter is produced is returned through pure water reflux branch d
Stream, raw water and pure water cross and T point and are mixed, mixing water inflow water storage device, will store in water storage device on last stage
Pure water squeeze out, flow into membrane filter be rinsed.A portion water is cleaned into pure water again, the road again through pure water reflux
D is back in water storage device, and another part water carries the TDS in membrane filter and is discharged from waste water end.
Or after being packed into a certain amount of pure water in water storage device, the controller triggers the inlet valve 15, the increasing
The control circuit of press pump 20, the second inlet valve 107 and the pure water return valve 104 is closed, institute with controlling the inlet valve 15
The closing of booster pump 20 is stated, pure water return valve 104 is closed, water mixing valve 30 is opened, so that raw water flows into water storage through raw water branch f
The pure water stored in water storage device on last stage is squeezed out into membrane filter, is rinsed to membrane filter by device, will be in membrane filter
The raw water and concentrated water of high concentration are discharged from waste water end.
It is arranged such, it is ensured that ion infiltration will not occur when the water purification system is in standby, in the membrane filter
Saturating problem, so ensure the water quality for the first cup pure water that water purification system next time, booting was produced can satisfy for need
It asks；And extend the service life of membrane filter；Reduce the fouling risk of wastewater valve.
Embodiment 5, such as the example of Fig. 1, system normally water processed when, the pure water meeting that (is lower than 0.15MPa) when raw water pressure is very low
Through pure water reflux branch reflux, water purification system pure water flow is caused to significantly reduce,
Optimization in order to limit pure water directly or through water storage device flow into raw water branch, can also be in raw water branch Lu Shangshe
Set the pure water return valve 104 that second one-way valve 55 replaces Fig. 6 example.Corresponding, backwashing manner can change, flow is examined
Surveying the setting such as device/TDS detection device position can also finely tune.The structure chart of specific embodiment is as shown in Figure 10 and 11.
Figure 10 example is similar to 6 examples, flows out since second one-way valve limits the water in water tank through raw water branch f.
Figure 10 example first stage, which rinses, only has a kind of mode.
At the end of user's water intaking, the water fetching device 25 can be closed, the controller receives the water fetching device
When the signal of 25 closings, carry out first stage flushing: the controller triggers the inlet valve 15, the booster pump 20, second
The control circuit of inlet valve 107 and the water mixing valve 30, to control the inlet valve 15, the booster pump 20 and water mixing valve 30
It keeps it turning on, at this point, the pure water that the membrane filter 10 is produced flows into the storage of water storage device 35 by the pure water return pipe d
In water cavity, and water original in the water storage cavity is squeezed out, the water of extrusion imports in raw water tubes through mixed water branch e.
Second stage backwashing manner is identical as Fig. 6 example, be not discussed in detail here.
The backwashing manner of Figure 11 example is identical as Fig. 9 example, be not discussed in detail here.
The utility model is it is further proposed that a kind of purifier, the purifier include: shell；And above-described embodiment
In water purification system, wherein water purification system installation is inside the shell.Since purifier includes water purification system, so that water purification
Equipment has all beneficial effects of water purification system.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Under the utility model design of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (19)
1. a kind of water purification system, which is characterized in that the water purification system includes:
Membrane filter is connected to the raw water mouth being connected to raw water tubes, the pure water mouth being connected to pure water pipe and with waste pipe useless
The mouth of a river；
Inlet valve is installed on the raw water tubes；
Supercharging device is installed on the raw water tubes between the inlet valve and the membrane filter；
Water fetching device is installed in the pure water pipe；
Water storage device, with a water storage cavity and it is multiple it is interconnected cross the mouth of a river, for store raw water, pure water and by raw water and
One of the mixed water that pure water is mixed to form；
Raw water branch, the raw water tubes between raw water branch one end and original water inlet and inlet valve are connected to the first tie point P point, separately
One end is connected with the mouth of a river of crossing of water storage device, so that raw water flows into water storage cavity through raw water branch；
Pure water reflux branch, the pure water pipe between pure water reflux branch one end and membrane filter pure water mouth and water fetching device are connected to second
Tie point R point, the other end are connected with the mouth of a river of crossing of water storage device, so that the pure water that membrane filter is produced is flowed into through pure water reflux branch
Water storage cavity；
Branch is rinsed, one end is connected with the mouth of a river of crossing of water storage device, the raw water tubes between the other end and inlet valve and supercharging device
It is connected to third tie point Q point, so that the water stored in water storage device flows into membrane filter through rinsing branch, membrane filter is rushed
It washes；
Water mixing valve, the water mixing valve, which is set to, rinses branch road；
First check valve, it is described to be set to pure water reflux branch road, pure water pipe is flowed to limit raw water through pure water reflux branch；
And wastewater valve or waste water hole, the wastewater valve is installed on the waste pipe or the waste water hole be provided with it is described
Membrane filter waste water end, to control wastewater flow.
2. water purification system as described in claim 1, which is characterized in that the water purification system further includes pure water return valve, described
Pure water return valve is set on pure water return pipe, and the pure water that membrane filter is produced when controlling normal water processed is without pure water reflux branch
Reflux.
3. water purification system as described in claim 1, which is characterized in that the water purification system further includes second one-way valve, described
Second one-way valve is set to raw water branch road, and the pure water that membrane filter is produced when limiting normal water processed flows back into original through raw water branch
In water pipe.
4. water purification system as claimed in claim 2, which is characterized in that the water purification system further includes controller, the control
Device electrically connects with the inlet valve, water mixing valve, the supercharging device, the water fetching device and the pure water return valve respectively
It connects, when the controller receives water signal and flush signal processed, controls the inlet valve, water mixing valve, supercharging device, pure respectively
Water return valve opened/closed；
The flush signal includes rinsing first stage signal and flushing second stage signal,
When the controller receives flushing first stage signal, the inlet valve unlatching is controlled, water mixing valve opens or closes, increases
Pressure device is opened, pure water return valve is opened, so that the pure water that membrane filter is produced flows into water storage device through pure water reflux branch；
When the controller receives flushing second stage signal, the inlet valve closing is controlled, water mixing valve is opened, supercharging device
Open or close, pure water return valve opens or closes, so as to rinse in first stage water storage device the water that stores through rinsing branch
Membrane filter is flowed into, membrane filter is rinsed.
5. water purification system as claimed in claim 3, which is characterized in that the water purification system further includes controller, the control
Device is electrically connected with the inlet valve, water mixing valve, the supercharging device and the water fetching device respectively, and the controller receives
When to water signal processed and flush signal, the inlet valve, water mixing valve, supercharging device opened/closed are controlled respectively；
The flush signal includes first stage flush signal and second stage flush signal,
When the controller receives first stage flush signal, the inlet valve unlatching is controlled, water mixing valve is opened, supercharging device
It opens, so that the pure water that membrane filter is produced flows into water storage device through pure water reflux branch；
When the controller receives second stage flush signal, the inlet valve closing is controlled, water mixing valve is opened, supercharging device
It opens or closes, so that the water stored in water storage device when the first stage rinses flows into membrane filter through rinsing branch, to membrane filter
It is rinsed.
6. water purification system as described in claim 4 or 5, which is characterized in that be provided with diversion pipe, water conservancy diversion in the water storage device
The water storage cavity to be separated to form interconnected two parts by partition or separator, and to control raw water, pure water is filled with water storage
The degree that water in device Shi Yuyuan water storage device is mixed.
7. water purification system as described in claim 4 or 5, which is characterized in that the water purification system further includes pressure reducing valve, described to subtract
Pressure valve is installed on the raw water tubes before third tie point P.
8. water purification system as described in claim 1, which is characterized in that the water purification system includes sewage recovering system, waste water
Recovery system includes the second inlet valve, return of waste water pipe, third check valve；
Second inlet valve, second inlet valve are located on the waste line after the wastewater valve；
Return of waste water pipe, the waste pipe between the water inlet end and the wastewater valve and the second inlet valve of the return of waste water pipe connect
It is logical, mixed water branch or water storage device between water outlet and the raw water tubes or raw water branch or water storage device and water mixing valve and the
Pure water reflux branch between one check valve is connected to the 4th tie point N, by Sewage treatment；
Alternatively, sewage recovering system includes One In and Two Out valve, return of waste water pipe, third check valve；
One In and Two Out valve, water inlet are located on the waste line after the wastewater valve, one water outlet and return of waste water pipe
Connection is for recycling waste water, and another water outlet is for directly waste water to be discharged；
The water inlet end of return of waste water pipe, the return of waste water pipe is connected to one water outlet of One In and Two Out valve, water outlet and the original
Mixed water branch or pure between water storage device and the first check valve between water pipe or raw water branch or water storage device and water mixing valve
Water reflux branch is connected to the 4th tie point N, by Sewage treatment.
9. water purification system as claimed in claim 8, which is characterized in that waste water mouth of the third check valve from the membrane filter
To the 4th tie point N one-way conduction.
10. water purification system as described in claim 4 or 5, which is characterized in that the water purification system further includes time set, institute
Time set is stated for detecting water duration processed, the stopping water duration processed, the first rinse stage of water purification system of the water purification system
The duration carried out with the second rinse stage；
The controller is also electrically connected with the time set, and the controller is according to the testing result control of the time set
Make the second of the inlet valve, the water mixing valve, the supercharging device, the pure water return valve of water purification system and water purification system
Inlet valve work, to carry out the flushing of first/second stage to the membrane filter；
The controller carries out once flushing to membrane filter at regular intervals according to the timing result of the time set；
The controller controls the work of the second inlet valve or One In and Two Out valve according to the timing result of the time set, with
Carry out Sewage treatment.
11. water purification system as described in claim 4 or 5, which is characterized in that the water purification system further includes first flow detection
Device, the first flow detection device installation pure water reflux branch road；
The controller is also electrically connected with the first flow detection device, and the controller is detected according to the first flow
The testing result of device controls the pure water return valve of the inlet valve, the supercharging device, the water mixing valve and water purification system
Work terminates first stage flushing, switches to second stage flushing.
12. water purification system as described in claim 4 or 5, which is characterized in that the water purification system further includes second flow detection
Device, the second flow detection device are installed on raw water branch or waste line；
The controller is also electrically connected with the second flow detection device, and the controller is detected according to the second flow
The testing result of device controls the pure water return valve of the inlet valve, the supercharging device, the water mixing valve and water purification system
Work terminates second stage and rinses.
13. water purification system as described in claim 4 or 5, which is characterized in that the water purification system further includes the first TDS sensing
Device, the TDS sensing device are installed on raw water branch or mixed water branch road；The controller also with the TDS sensing device
It is electrically connected, the controller controls the inlet valve according to the testing result of the first TDS sensing device, the pressurization fills
It sets, the work of the pure water return valve of the water mixing valve and water purification system, to terminate first stage flushing, switches to second stage
It rinses.
14. water purification system as described in claim 4 or 5, which is characterized in that the water purification system further includes the 2nd TDS sensing
Device, the TDS sensing device are installed on mixed water branch road or waste line；The controller is also sensed with the TDS and is filled
Electric connection is set, the controller controls the inlet valve, the pressurization according to the testing result of the 2nd TDS sensing device
The work of the pure water return valve of device, the water mixing valve and water purification system, to terminate second stage flushing.
15. water purification system as described in claim 4 or 5, which is characterized in that the water purification system further includes the 3rd TDS sensing
Device, the TDS sensing device are installed on waste line；The controller is also electrically connected with the TDS sensing device, institute
It states controller and the inlet valve, the supercharging device, the mixed water is controlled according to the testing result of the 3rd TDS sensing device
The work of valve and the pure water return valve of water purification system, to terminate the second rinse stage；
The controller according to the testing result of the 3rd TDS sensing device control water purification system the second inlet valve or one into
Two go out the work of valve, to recycle waste water.
16. water purification system as described in claim 1, which is characterized in that the water purification system further includes pressure-detecting device, institute
Pressure-detecting device is stated to be installed in the pure water pipeline；
The controller of water purification system is also electrically connected with the pressure-detecting device, and the controller of water purification system receives the pressure
When the signal of force checking device detection, triggering system enters normal water or cleaning procedure processed, controls the inlet valve, the pressurization
Device, the second inlet valve of water purification system, water mixing valve and water purification system pure water return valve work, to carry out water/punching processed
It washes.
17. water purification system as described in claim 1, which is characterized in that the water purification system further includes third flow sensor,
The third flow sensor is installed in the pure water pipe；
The controller of water purification system is also electrically connected with the third flow sensor, and the controller of water purification system receives described
When the signal of third flow sensor detection, triggering system enters normal water or cleaning procedure processed, controls the inlet valve, described
Supercharging device, the second inlet valve of water purification system, water mixing valve and water purification system pure water return valve work, to be made
Water/flushing.
18. water purification system as described in claim 1, which is characterized in that the water storage device, water mixing valve and the first check valve connect
Connect to form water storage element, the water storage element can independent integral demounting be mounted in water purification system.
19. a kind of purifier characterized by comprising
Shell；
Water purification system as described in any one of claim 1~18, the water purification system installation is inside the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821192208.8U CN209173746U (en) | 2018-07-25 | 2018-07-25 | Water purification system and water purification unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821192208.8U CN209173746U (en) | 2018-07-25 | 2018-07-25 | Water purification system and water purification unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110898669A (en) * | 2019-12-06 | 2020-03-24 | 九牧厨卫股份有限公司 | Filter equipment and filtration system |
| CN114149117A (en) * | 2020-09-18 | 2022-03-08 | 佛山市顺德区美的饮水机制造有限公司 | Water purifier |
| CN114728813A (en) * | 2019-11-11 | 2022-07-08 | 东丽株式会社 | Flow path switching system and water purification system |
-
2018
- 2018-07-25 CN CN201821192208.8U patent/CN209173746U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114728813A (en) * | 2019-11-11 | 2022-07-08 | 东丽株式会社 | Flow path switching system and water purification system |
| CN114728813B (en) * | 2019-11-11 | 2024-04-26 | 东丽株式会社 | Flow path switching system and water purification system |
| CN110898669A (en) * | 2019-12-06 | 2020-03-24 | 九牧厨卫股份有限公司 | Filter equipment and filtration system |
| CN114149117A (en) * | 2020-09-18 | 2022-03-08 | 佛山市顺德区美的饮水机制造有限公司 | Water purifier |
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