CN207551968U - Water cleaning systems - Google Patents
Water cleaning systems Download PDFInfo
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- CN207551968U CN207551968U CN201721659952.XU CN201721659952U CN207551968U CN 207551968 U CN207551968 U CN 207551968U CN 201721659952 U CN201721659952 U CN 201721659952U CN 207551968 U CN207551968 U CN 207551968U
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- cleaning systems
- membrane filter
- raw water
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Abstract
The utility model discloses a kind of water cleaning systems, wherein, which includes：Membrane filter has the raw water mouth connected with raw water tubes, the pure water mouth connected with pure water pipe and the waste water mouth connected with waste pipe；Booster pump is installed on raw water tubes；Intake switch is installed in pure water pipe；Return duct, the pure water pipe between water inlet end and membrane filter and intake switch connect, and water outlet is connected with raw water tubes；Controller is electrically connected with booster pump and intake switch, and controller is in the shutdown signal for receiving intake switch, control supercharging pump work, so that the pure water in pure water pipe is back in raw water tubes and membrane filter is just rinsed together with the raw water in raw water tubes.It is arranged such, so that membrane filter is full of the mixing water being mixed to form by raw water and pure water, since the TDS values of mixing water are smaller, this allows for that ion diffusion phenomena hardly occur in membrane filter, so as to which the TDS values that ensure that first cup pure water made from water cleaning systems booting next time also disclosure satisfy that the demand of user.
Description
Technical field
The utility model is related to technical field of water purification, more particularly to a kind of water cleaning systems.
Background technology
Drinking Water Problem is the problem of common people pay special attention to, and it has been thing out of question to have many substances for being unfavorable for health in water
Real, this is also the hot root of the main reason for common people's healthy water consciousness is strengthened and purifier market.
Membrane filter is relied primarily in existing purifier to be filtered raw water, however, when the purifier is in standby
During state, raw water, waste water and pure water can be existed simultaneously in the membrane filter, wherein raw water and waste water is in the film of membrane filter
Before, after pure water is in the film of membrane filter, and raw water and the TDS values of waste water are intended to the TDS values for being greatly higher than pure water, if this is net
For a long time in standby mode, the ion that may result in the raw water and waste water of membrane filter is diffused into pure water wetting system, and then
So that the TDS values raising of pure water, when purifier booting next time Pure-water Making, the TDS values of first cup pure water produced can compare
It is higher, influence the experience of user.
Utility model content
The main purpose of the utility model is to propose a kind of water cleaning systems, it is intended to reduce what the water cleaning systems were produced every time
The TDS values of first cup pure water.
To achieve the above object, the utility model proposes a kind of water cleaning systems, including：
Membrane filter has the raw water mouth connected with raw water tubes, the pure water mouth connected with pure water pipe and is connected with waste pipe
Waste water mouth；
Booster pump is installed on the raw water tubes；
Intake switch is installed in the pure water pipe；
Return duct, the pure water pipe between water inlet end and the membrane filter and the intake switch connect, water outlet with
The raw water tubes connection；And
Controller is electrically connected with the booster pump and the intake switch, and the controller receives the water intaking
During the shutdown signal of switch, the supercharging pump work is controlled, so that the pure water in the pure water pipe is flowed back by the return duct
In to the raw water tubes and together with the raw water in the raw water tubes to the membrane filter just rinse.
Preferably, the water cleaning systems further include raw water regulating valve, and the raw water regulating valve is installed on the return duct
On the raw water tubes of trip；
The controller is also electrically connected with the raw water regulating valve, and the controller controls the raw water regulating valve work
Make, so that the real-time return water amount being back to by the return duct in the membrane filter increases.
Preferably, the water cleaning systems further include waste water regulating valve, and the waste water regulating valve is installed on the waste pipe；
The controller is also electrically connected with the waste water regulating valve, and the controller controls the waste water regulating valve work
Make, so that the real-time return water amount being back to by the return duct in the membrane filter increases.
Preferably, the water cleaning systems further include the first TDS detection devices and the 2nd TDS detection devices, the first TDS
Detection device is installed on the waste pipe, and the 2nd TDS detection devices are installed on the water outlet upstream of the return duct
On raw water tubes；
The controller is also electrically connected with the first TDS detection devices and the 2nd TDS detection devices respectively, the control
Device processed controls the supercharging pump work according to the testing result of the first TDS detection devices and the 2nd TDS detection devices.
Preferably, the water cleaning systems further include flow detector, and the flow detector is installed on the reflux
On the raw water tubes of the water outlet upstream of pipe or the flow detector is installed on the waste pipe；
The controller is electrically connected with the flow detector, and the controller is according to the flow detector
Testing result controls the supercharging pump work.
Preferably, the water cleaning systems further include timer, and the timer is used to detect the first flushing of the membrane filter
Duration；
The controller is also electrically connected with the timer, and the controller is according to the testing result control of the timer
Make the supercharging pump work.
Preferably, the water cleaning systems further include water storage device, the first check valve, the first solenoid valve and the second electromagnetism
Valve, the pure water pipe between the water inlet end of the water storage device and the membrane filter and the intake switch connect, the water storage dress
The water outlet put is connected with the raw water tubes, and first check valve is installed on the water outlet of the water storage device, and described first
Solenoid valve is installed on the water inlet end of the water storage device, and the second solenoid valve is installed on the water inlet end upstream of the water storage device
Raw water tubes on；
The controller is also electrically connected with first solenoid valve and second solenoid valve respectively, and the controller is receiving
To the intake switch shutdown signal when, first solenoid valve is controlled to open, so that the stream of pure water in the pure water pipe
Enter in the water storage device, and when receiving the pure water water level in the water storage device and reaching preset water level signal, control institute
State the closing of the first solenoid valve；The controller rinses end signal also receiving at the beginning of membrane filter when, control first electricity
Magnet valve is opened and the second solenoid valve is controlled to close so that the pure water in the water storage device be back to it is right in the membrane filter
The membrane filter carries out secondary flushing.
Preferably, the water outlet of the return duct is connected with the raw water tubes of the booster pump upstream.
Preferably, the water cleaning systems further include the second check valve, and second check valve is serially connected on the return duct,
It is flowed into the pure water pipe by the return duct with limiting the raw water in the raw water tubes.
Preferably, the water cleaning systems further include pure water return valve, and the pure water return valve is serially connected on the return duct.
Preferably, the water cleaning systems further include pressure-detecting device, and the pressure-detecting device is installed on the membrane filtration
In pure water pipe between core and the intake switch, to detect the real-time hydraulic pressure value in the pure water pipe；
The controller is also electrically connected with the pressure-detecting device, and the controller is according to the pressure-detecting device
Testing result control pure water return valve work.
Preferably, the water cleaning systems further include preposition filter core, and the preposition filter core is installed on the raw water tubes.
Preferably, the water cleaning systems further include postposition filter core, and the postposition filter core is serially connected in the pure water pipe.
Preferably, the water cleaning systems further include entering water electromagnetic valve, the entering water electromagnetic valve be installed on the membrane filter with
On raw water tubes between the water outlet of the return duct.
The technical solution of the utility model is connected the pure water pipe of water cleaning systems with raw water tubes by return duct, described
At the end of water cleaning systems water, the intake switch being installed in the pure water pipe is closed, at this point, the water cleaning systems
Controller the booster pump is controlled to work on so that the pure water that the membrane filter is produced is merely able to through the pure water pipe
It is back in the raw water tubes with the return duct, and is flowed into the membrane filter together with the raw water in the raw water tubes, with
The membrane filter is carried out just to rinse, finally so that only there being the mixing water of raw water and pure water formation in the membrane filter.Due to
The TDS values of raw water are less than the TDS values of waste water, and the TDS values of pure water will be much smaller than the TDS values of raw water, this allow for by raw water and
The TDS values for the mixing water that pure water is mixed to form will be less than the TDS values of raw water, and the mixing water being mixed to form by raw water and pure water
TDS values differ smaller with the TDS values of pure water, this allows for hardly occurring in the membrane filter showing for ion diffusion
As even if ensuring that the water cleaning systems start Pure-water Making, the TDS of first cup pure water obtained after some time
Value also disclosure satisfy that the demand of user, and which improves the performances of the water cleaning systems, are conducive to improve the experience of user.
Description of the drawings
It 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, other attached drawings can also be obtained according to the structure shown in these attached drawings.
Fig. 1 is the schematic diagram of one embodiment of the utility model water cleaning systems.
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 is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that described embodiment is only the part of the embodiment rather than whole of the utility model
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, shall fall within the protection scope of the present invention.
If it is to be appreciated that related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction be only used for explain it is opposite between each component under a certain particular pose (as shown in drawings)
Position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
It if, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment
Two " etc. description is only used for description purpose, and it is not intended that instruction or implying its relative importance or implicit indicating meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can express or implicitly include at least one
A this feature.In addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Personnel can be implemented as basis, and this technical side is will be understood that when the combination appearance of technical solution is conflicting or can not realize
The combination of case is not present, also not within the protection domain of the requires of the utility model.
The utility model proposes a kind of water cleaning systems, please refer to Fig. 1, and Fig. 1 shows the water cleaning systems one of the utility model
The structure diagram of embodiment.
The water cleaning systems 100 include：
Membrane filter 10, have the raw water mouth connected with raw water tubes a, the pure water mouth that is connected with pure water pipe b and with waste pipe c
The waste water mouth of connection；
Booster pump 15 is installed on the raw water tubes a；
Intake switch 20 is installed on the pure water pipe b；
Return duct d, the pure water pipe b between water inlet end and the membrane filter 10 and the intake switch 20 are connected, are gone out
Water end (W.E.) is connected with the raw water tubes a；And
Controller is electrically connected with the booster pump 15 and the intake switch 20, and the controller receives described
During the shutdown signal of intake switch 20, the booster pump 15 is controlled to work, so that the pure water in the pure water pipe b passes through described time
Flow tube d is back in the raw water tubes a and the membrane filter 10 is carried out together with the raw water in the raw water tubes a just to rinse.
Specifically, the raw water mouth of the membrane filter 10 is connected with raw water tubes a, i.e., the raw water mouth of described membrane filter 10 with originally
Water pipe or other pipeline connections connected with water source；The pure water mouth of the membrane filter 10 is connected with pure water pipe b, for the film
Filter core 10 filters the pure water produced and can be discharged by the pure water pipe b, so that user takes；The waste water mouth of the membrane filter 10
It is connected with waste pipe c, the useless impurities in water that is formed, TDS values are all higher after being filtered due to the membrane filter 10, this allows for giving up
Water is merely able to for toilet flushing or for cleaning other objects, in consideration of it, water tank can generally be set to fill the membrane filtration
The waste water that the filtering of core 10 generates, is conducive to make full use of water resource in this way.
It should be noted that the membrane filter 10 is only in the case of raw water mouth, pure water mouth and the equal water flowing of waste water mouth
Just water processed, the raw water mouth and waste water mouth of the usual membrane filter 10 are in normally open, this allows for the membrane filter 10 in institute
State pure water mouth in the open state can Pure-water Making, for the ease of controlling 10 water processed of membrane filter, generally described pure
Intake switch 20 is set on water pipe b, and when the intake switch 20 is opened, the pure water in the membrane filter 10 can be from the pure water
Pipe b is discharged so that the membrane filter 10 can lasting water processed, when the intake switch 20 is closed, in the membrane filter 10
Pure water can not discharge so that 10 water processed of the membrane filter terminates.
The water cleaning systems 100 are additionally provided with return duct d, the water inlet end of the return duct d and the membrane filter 10 and institute
The pure water pipe b connections between intake switch 20 are stated, the water outlet of the return duct d is connected with the raw water tubes a, so that described
Pure water in pure water pipe b can be back to by the return duct d in the raw water tubes a.
The booster pump 15 is installed on the raw water tubes a, is used to pressurize to the raw water in the raw water tubes a, with true
It is sufficiently high to protect the raw water hydraulic pressure entered in the membrane filter 10, ensures that the membrane filter 10 being capable of normal water processed.It is preferred that
Ground, the booster pump 15 pump 15 for freq uency conversion supercharging, and since the frequency of freq uency conversion supercharging pump 15 is adjustable, this facilitates user according to certainly
The frequency of oneself demand adjustment freq uency conversion supercharging pump 15, that is, when needing to obtain a large amount of pure water in user's short time, user can incite somebody to action
The frequency of freq uency conversion supercharging pump 15 is turned up, at this time can be relatively more by the raw water water of freq uency conversion supercharging pump 15 within the unit interval, from
And ensure that the raw water water entered in the membrane filter 10 in the unit interval can also accordingly increase, and then increase the film
Water production in 10 unit interval of filter core；When the pure water amount for needing to obtain in user's short time is less, user can be by frequency conversion
The frequency of booster pump 15 is held in a relatively low state, passes through the raw water water of freq uency conversion supercharging pump 15 within the unit interval at this time
It is fewer, but the raw water entered in the membrane filter 10 can be filtered adequately, and then be conducive to improve water resource
Utilization rate.
The controller is electrically connected with the booster pump 15, is used to control unlatching or the pass of the booster pump 15
It closes, the controller can be microcontroller or PWM controller, and specific restriction is not done to the controller at this.
When the water cleaning systems 100 are in water state processed namely when the intake switch 20 is opened, the controller connects
Receive the signal that the intake switch 20 is opened, the booster pump 15 controlled to open, with drive the raw water in the raw water tubes a into
Enter in the membrane filter 10, pure water is formed under the filtering of the membrane filter 10 into the raw water in the membrane filter 10 and give up
Water, pure water are flowed into the pure water pipe b, and be eventually fed to user by the pure water mouth of the membrane filter 10, and waste water passes through institute
The waste water mouth for stating membrane filter 10 flows into the waste pipe c and is ultimately discharged into the external world.Since the water cleaning systems 100 are watery in system
During state, the pure water hydraulic pressure in the pure water pipe b will be less than the raw water hydraulic pressure in the raw water tubes a, this is allowed for by described time
The pure water that flow tube d is back in the raw water tubes a can be hindered by raw water in the raw water tubes a, this allows for the membrane filtration
The pure water almost all that core 10 is produced is discharged from the pure water pipe b, and the raw water in the raw water tubes a is in the booster pump 15
Under the action of, the raw water in the raw water tubes a can be caused all to flow into the membrane filter 10, and then avoid the raw water tubes
Raw water in a is flowed by the return duct d in the pure water pipe b.
At the end of 100 water processed of water cleaning systems namely the intake switch 20 that is installed on the pure water pipe b is closed
When, the controller can receive the signal that the intake switch 20 is closed, and at the same time, the controller can control the increasing
Press pump 15 works on, so that the raw water in the raw water tubes a continues to flow into the membrane filter 10, due to the pure water
The water outlet of pipe b is closed, this pure water allowed in the pure water pipe b is merely able to be back to by the return duct d described
It in raw water tubes a, and is flowed into the membrane filter 10 after being mixed together with the raw water in the raw water tubes a, with to the membrane filter
10 just rinse.At this point, the membrane filter 10 was to originally retaining in its internal waste water and subsequently flowing into the pure of its inside
Water and raw water are carried out at the same time filtering, and the pure water being obtained by filtration flows into the pure water pipe b and passes through the return duct d and returns again
It flow in the raw water tubes a, and is flowed into the membrane filter 10 after being mixed again with the raw water in the raw water tubes a, with to institute
It states membrane filter 10 to be rinsed again, the waste water being obtained by filtration then is expelled directly out the membrane filter 10 by the waste pipe c, such as
This rinses multiple so that 10 inside of membrane filter is finally full of pure water and the mixed mixing water of raw water, due to the TDS of pure water
Value is very small, and the TDS values of raw water will be well below the TDS values of waste water, this allows for mixed by being obtained after raw water and pure water mixing
The TDS values of water will be less than the TDS values of raw water, and the TDS values of mixing water by being obtained after raw water and pure water mixing and pure water
Relatively, this allows for that the phenomenon that ion is spread hardly occurs in the membrane filter 10 TDS values, ensures that described
Even if water cleaning systems 100 start Pure-water Making after some time, the TDS values of first cup pure water obtained also disclosure satisfy that use
The demand at family, which improves the performances of the water cleaning systems 100, are conducive to improve the experience of user.
The technical solution of the utility model is connected the pure water pipe b of water cleaning systems 100 with raw water tubes a by return duct d,
At the end of 100 water processed of water cleaning systems, the intake switch 20 being installed on the pure water pipe b is closed, at this point,
The controller of the water cleaning systems 100 controls the booster pump 15 to work on, so that the pure water that the membrane filter 10 is produced
Be merely able to be back in the raw water tubes a by the pure water pipe b and the return duct d, and with the raw water in the raw water tubes a
It flows into together in the membrane filter 10, to carry out just rinsing to the membrane filter 10, finally so that only being deposited in the membrane filter 10
There is the mixing water of raw water and pure water formation.Since the TDS values of raw water are less than the TDS values of waste water, the TDS values of pure water will be much smaller than
The TDS values of raw water, this TDS value for allowing for the mixing water being mixed to form by raw water and pure water will be less than the TDS values of raw water, and
The TDS values for the mixing water being mixed to form by raw water and pure water differ smaller with the TDS values of pure water, this allows for the membrane filter
The phenomenon that ion diffusion hardly occurs in 10, even if ensuring that the water cleaning systems 100 open after some time
Dynamic Pure-water Making, the TDS values of first cup pure water obtained also disclosure satisfy that the demand of user, and which improves the water purification systems
The performance of system 100 is conducive to improve the experience of user.
It is pure by increasing in an embodiment of the utility model in order to improve the first flushing effect of the membrane filter 10
The accounting of mixing water that water is formed in pure water and raw water, to improve the first flushing effect to the membrane filter 10.It is specifically, described
Water cleaning systems 100 include raw water regulating valve 25, and the raw water regulating valve 25 is installed on the raw water tubes a of the return duct d upstreams；
The controller is electrically connected with the raw water regulating valve 25, and adjusts the raw water regulating valve 25 according to actual conditions, with drop
The impact of pure water of the raw water to flowing back in the return duct d in the low raw water tubes a so that flowed back by the return duct d
Real-time return water amount in the membrane filter 10 increases.It is arranged such so that in the mixing water be mixed to form by raw water and pure water
The accounting of pure water become larger, since the TDS values of pure water are almost nil, and pure water accounting is high in mixing water, this allows for mixing
The TDS values of water will be well below the TDS values of raw water, after mixing water is full of in the membrane filter 10, due to the TDS values of mixing water
Very small, this allows for that ion diffusion phenomena hardly occur in the membrane filter 10, ensures that the water cleaning systems
100 produce water purification every startup for a long time, and the TDS values of first cup water purification obtained also disclosure satisfy that the demand of user, thus
The performance of the water cleaning systems 100 is improved, is conducive to improve the experience of user.
It should be noted that the raw water regulating valve 25 is the valve body that aperture can be adjusted, the controller can basis
Actual conditions regulate and control the aperture of the raw water regulating valve 25.For example, when the intake switch 20 is closed, the controller can be with
Regulate and control the raw water regulating valve 25, reduced with the aperture of the raw water regulating valve 25；In this way, it reduces in the raw water tubes a
The impact of pure water of the raw water to flowing back in the return duct d, so as to make to be back in the membrane filter 10 by the return duct d
Real-time return water amount increase.
Obviously, the raw water regulating valve 25 can also be the valve body that can adjust hydraulic pressure, and the controller can be according to reality
Border situation regulates and controls the raw water regulating valve 25, to change the raw water hydraulic pressure by the raw water regulating valve 25.For example, it is taken when described
When water opens the closing of 20 passes, the controller can regulate and control the raw water regulating valve 25, so as to pass through the raw water regulating valve 25
Raw water hydraulic pressure reduces, and the raw water hydraulic pressure allowed in this way in the raw water tubes a reduces, so that the original in the raw water tubes a
Water becomes smaller to the impact of pure water to flow back in the return duct d, so that being back to the membrane filter by the return duct d
Real-time return water amount increase in 10.
Certainly, the raw water regulating valve 25 can also be other valve bodies, just not list one by one herein.
For the ease of detecting through the raw water tubes a real-time raw water amounts entered in the membrane filter 10 and passing through institute
The real-time return water amount that return duct d is back in the membrane filter 10 is stated, the water cleaning systems 100 further include first flowmeter (not
Diagram) and second flowmeter (not shown), the first flowmeter be installed on the raw water tubes of the water outlet upstream of the return duct d
On a, the second flowmeter is installed on the return duct d, the controller respectively with the first flowmeter and second
Gauge is electrically connected, and according to the first flowmeter and the testing result of the second flowmeter, is regulated and controled the raw water and adjusted
Valve 25 to reduce impact of the raw water to the pure water that flows back in the return duct d in the raw water tubes a, is allowed in this way by described
The increase of the real-time return water amount of return duct d reflux.In addition, by the detection of the first flowmeter and the second flowmeter,
It enables the controller to more to be accurately controlled the raw water regulating valve 25 and work.
It should be noted that according to mass conservation law it is found that the real-time inflow of the membrane filter 10 will be with the film
The real-time displacement of filter core 10 is equal, when the membrane filter 10, which is in, just rinses state, at this time into the membrane filter 10
Pure water amount it is suitable with the pure water amount that the membrane filter 10 is produced, this also allow for enter the membrane filter 10 in real-time raw water
Amount is suitable with the real-time wastewater flow rate that the membrane filter 10 is discharged, therefore, can be by regulating and controlling the real-time of the discharge of membrane filter 10
Wastewater flow rate adjusts the real-time raw water amount entered by the raw water tubes a in the membrane filter 10, so that passing through the original
The real-time raw water amount that water pipe a is entered in the membrane filter 10 reduces.
In another embodiment of the utility model, the water cleaning systems 100 further include waste water regulating valve 30, the waste water
Regulating valve 30 is installed on the waste pipe c；The controller is electrically connected with the waste water regulating valve 30, and according to practical feelings
Condition regulates and controls the aperture of the waste water regulating valve 30.Specifically, when the intake switch 20 is closed, the controller regulates and controls institute
Waste water regulating valve 30 is stated, to reduce the aperture of the waste water regulating valve 30；It so ensures that and is entered by the raw water tubes a
Real-time raw water amount in the membrane filter 10 is reduced therewith.
For the ease of detecting through the real-time wastewater flow rate of the waste pipe c and being back to by the return duct d described
Real-time return water amount in membrane filter 10, the water cleaning systems 100 further include third flowmeter (not shown) and the 4th flowmeter (not
Diagram), the third flowmeter is installed on the waste pipe c, and the 4th flowmeter is installed on the return duct d, institute
It states controller to be electrically connected with the third flowmeter and the 4th flowmeter respectively, and according to the third flowmeter and described the
The testing result of four flowmeters regulates and controls the waste water regulating valve 30, so as to be subtracted by the waste pipe c real-time wastewater flow rates discharged
It is small.In addition, the detection by the third flowmeter and the 4th flowmeter so that the controller can be more accurate
The waste water regulating valve 30 is controlled to work.
It is described net in an embodiment of the utility model in order to facilitate the first flushing duration for controlling the membrane filter 10
Water system 100 further includes the first TDS detection devices 40 and the 2nd TDS detection devices 45, and the first TDS detection devices 40 are installed
In on the waste pipe c, being used to detect waste water TDS values in the waste pipe c；The 2nd TDS detection devices 45 are installed on
On the raw water tubes a of the water outlet upstream of the return duct d, it is used to detect the raw water TDS values in the raw water tubes a；The control
Device processed is also electrically connected with the first TDS detection devices 40 and the 2nd TDS detection devices 45 respectively, and the controller root
According to the first TDS detection devices 40 and the testing result of the 2nd TDS detection devices 45, the booster pump 15 is controlled to work.
Specifically, when the waste water TDS values of the first TDS detection devices 40 detection are more than the 2nd TDS detection devices
The raw water TDS values of 45 detections, the controller controls the booster pump 15 to be kept open, to continue to the membrane filter 10
Just rinse；When the waste water TDS values of the first TDS detection devices 40 detection are detected with the 2nd TDS detection devices 45
Raw water TDS values it is suitable when, i.e., the difference of described waste water TDS values and the raw water TDS values is when in the range of setting, the control
Device processed controls the booster pump 15 to be stopped, and the water cleaning systems 100 are in standby mode at this time.
It should be noted that according to mass conservation law it is found that the inflow of the membrane filter 10 and the membrane filter 10
Water yield be equal, that is to say, that institute will be equal to by entering the sum of raw water amount and pure water amount inside the membrane filter 10
State the pure water amount and the sum of wastewater flow rate of the discharge of membrane filter 10, and from the pure water amount that the pure water mouth of the membrane filter 10 is discharged with from institute
The raw water mouth for stating membrane filter 10 is suitable into the pure water amount in the membrane filter 10, this allows for entering by the raw water tubes a
Raw water amount in the membrane filter 10 is also comparable with the wastewater flow rate discharged by the waste pipe c.Due to the pure water
TDS values are almost nil, after when 10 inside of the membrane filter, original remaining waste water is all flushed namely the membrane filter 10
When inside is full of the mixing water being mixed to form by raw water and pure water, from the TDS of the waste water of the waste water mouth discharge of the membrane filter 10
Value is roughly equal with the TDS values of the raw water in the raw water tubes a, therefore, can be by comparing the raw water in the raw water tubes a
TDS values judge whether the waste water inside the membrane filter 10 is displaced completely with the waste water TDS values in the waste pipe c,
Thus advantageously reduce the waste at water source.Meanwhile also so that the control of the water cleaning systems 100 is more intelligent, be conducive to
Improve the experience of user.
It should be noted that the first TDS detection devices 40 and the 2nd TDS detection devices 45 only take described
Just unlatching or the first TDS detection devices 40 and the 2nd TDS detection devices 45 take described when taps 20 are closed
Taps 20 open can't constantly work or the controller when the intake switch 20 is opened to the first TDS
The signal that detection device 40 and the 2nd TDS detection devices 45 are sent is not responding to.
Obviously, the first flushing duration of the membrane filter 10 is controlled for convenience, can also the raw water be passed through by monitoring
The raw water total amount that pipe a is entered in the membrane filter 10 or the waste water total amount discharged by the waste pipe c.Specifically, institute
It states water cleaning systems 100 and further includes flow detector 50, the flow detector 50 is installed on the water outlet of the return duct d
On the raw water tubes a of upstream or the flow detector 50 is installed on the waste pipe c；The controller and the flow
Detection device 50 is electrically connected, and the controller closes at the end of 10 water processed of membrane filter namely in the intake switch 20
The flow detector 50 is controlled to open when closing, and reaches default in the integrated flow value of the flow detector 50 detection
During flow value, the booster pump 15 is controlled to close.
It should be noted that the preset flow value can be set according to the water quality of 100 location of water cleaning systems
, when the water cleaning systems 100 be in water quality it is preferably regional when, the preset flow value can set relatively small one
A bit, when the water cleaning systems 100 are in the poor area of water quality, the preset flow value can set relatively large one
A bit.
It is, of course, also possible to the first flushing duration by setting the membrane filter 10, to determine the first punching of the membrane filter 10
Wash duration.Specifically, the water cleaning systems 100 further include timer (not shown), the timer is used to detect the membrane filtration
The first flushing duration of core 10, i.e., described timer can be by detecting duration or the timing that the intake switch 20 is closed
The duration that the booster pump 15 works after device can be closed by detecting the intake switch 20, at the beginning of determining the membrane filter 10
Rinse duration；The controller and the timer are electrically connected, and the controller detected in the timer it is described
When the first flushing duration of membrane filter 10 reaches preset duration, the booster pump 15 is controlled to close.
It should be noted that the flushing duration of the membrane filter 10 can also be determined in other way, herein
It does not list one by one.
It should be noted that the water quality in each area can have differences, some places water quality is relatively good, some places water
Matter is poor；It is preferably regional in water quality, after the membrane filter 10 is by just rinsing, it is possible to ensure in the membrane filter 10
Ion diffusion phenomena will not occur namely ensure that the water quality energy of first cup pure water that next time, booting was produced of water cleaning systems 100
Enough meet the needs of users；In the area that water quality is poor, even if after the membrane filter 10 is by just rinsing, but due to raw water
Water quality is poor, this allows for that ion diffusion phenomena can still occur in the membrane filter 10, so that under the water cleaning systems 100
The secondary water quality of first cup pure water produced that is switched on cannot still be met the needs of users.In consideration of it, in the one of the utility model implements,
The water cleaning systems 100 further include water storage device 55, the first check valve 60, the first solenoid valve 65 and second solenoid valve 70,
In, the pure water pipe b between the water inlet end of the water storage device 55 and the membrane filter 10 and the intake switch 20 is connected, described
The water outlet of water storage device 55 is connected with the raw water tubes a, and first check valve 60 is installed on going out for the water storage device 55
Water end (W.E.), first solenoid valve 65 are installed on the water inlet end of the water storage device 55, and the second solenoid valve 70 is installed on described
On the raw water tubes a of the water inlet end upstream of water storage device 55；The controller and first solenoid valve 65 and second solenoid valve 70
It is electrically connected, and controls opening or the closing of first solenoid valve 65 and the second solenoid valve 70.
Specifically, when at the end of 10 water processed of membrane filter namely when the intake switch 20 is closed, the controller control
It makes first solenoid valve 65 to open, so that the pure water in the pure water pipe b is flowed into the water storage device 55, and described
When pure water water level in water storage device 55 reaches preset water level, the controller controls first solenoid valve 65 to close, so that
It obtains and enough pure water is housed in the water storage device 55.At the end of the first flushing of the membrane filter 10, the controller control
It makes first solenoid valve 65 to open and the second solenoid valve 70 is controlled to close, at this point, entire water cleaning systems 100 are only described
Water storage device 55 is connected with the membrane filter 10, so that the pure water in the water storage device 55 is merely able to described in inflow
In membrane filter 10, and secondary flushing is carried out to the membrane filter 10, it is enough pure due to being prestored in the water storage device 55
Water, can be complete by the raw water in the membrane filter 10 and the mixing water of pure water which guarantee the pure water in the water storage device 55
Portion or aliquot replacement go out, so that be the mixing water that pure water or pure water accounting are more than raw water accounting entirely in the membrane filter 10,
Since pure water or pure water accounting are more than the TDS values of the mixing water of raw water accounting all than relatively low, and then ensure the water purification system
The water quality of first cup pure water that the next booting of system 100 is produced disclosure satisfy that the demand of user, while ensure the water cleaning systems
100 can be applied to the area of various water quality, be conducive to increase the use scope of the water cleaning systems 100.
It, can be with it should be noted that in order to detect whether the pure water water level in the water storage device 55 reaches preset water level
The setting water-level detecting device in the water storage device 55, the controller is electrically connected with the water-level detecting device, and root
The work of first solenoid valve 65 is controlled according to the water-level detecting device.Specifically, when 10 water processed of membrane filter terminates
When, when the pure water water level in the water storage device 55 reaches preset water level value, the controller will control first electromagnetism
Valve 65 is closed, and is thus skipped the water storage device 55 and is filled the process of water, and then directly the membrane filter 10 is carried out just to rinse；
At the end of 10 water processed of membrane filter, when the pure water water level in the water storage device 55 is less than preset water level value, the control
Device will control first solenoid valve 65 to open, so that the pure water that the membrane filter 10 is produced flows into the water storage device 55
It is interior.
Furthermore, it is necessary to explanation, it, can be by the raw water if being provided with raw water regulating valve 25 on the raw water tubes a
Regulating valve 25 is set on the raw water tubes a of the water outlet upstream of the water storage device 55, can thus be adjusted with the raw water
Valve 25 serves as first solenoid valve 65, and then can reduce the component of the water cleaning systems 100, advantageously reduces described net
The production cost of water system 100.
In order to improve the pure water back-flow velocity in the water cleaning systems 100, in an embodiment of the utility model, by institute
The water outlet for stating return duct d is connected with the raw water tubes a of 15 upstream of booster pump.It should be noted that the booster pump 15 is not
It can only pressurize to water, while the booster pump 15 also is able to driving water and is flowed in pipeline, due to the return duct d's
Water outlet is positioned at the upstream of the booster pump 15, this, which allows for the booster pump 15, can not only drive the original of trip disposed thereon
Raw water flowing in water pipe a, while also be able to be driven through the pure water flowing that the return duct d is back in the raw water tubes a,
The speed of pure water reflux is not only increased in this way, while also is able to be effectively prevented from raw water to enter to institute by the return duct d
The problem of stating in pure water pipe b occurs.
During in order to avoid 100 water processed of water cleaning systems, the pure water in the pure water pipe b is flowed back by the return duct d
In to the raw water tubes a, in an embodiment of the utility model, the water cleaning systems 100 further include the second check valve 75, institute
It states the second check valve 75 to be serially connected on the return duct d, be flowed with limiting the raw water in the raw water tubes a by the return duct d
Enter in the pure water pipe b.It is arranged such, it is ensured that described in the raw water in the raw water tubes a can not be flowed by the return duct d
In pure water pipe b, on the one hand ensure that the water in the raw water tubes a can not flow into the pure water pipe b by the return duct d in this way
It is interior, and the problem of the pure water in the pure water pipe b is caused to be polluted by raw water；On the other hand, it is ensured that the film
When filter core 10 is rinsed, the pure water in the pure water pipe b can be flowed into smoothly in the raw water tubes a, and then, and then ensure
Normally the membrane filter 10 can be rinsed.
When obviously, in order to avoid 100 water processed of water cleaning systems, the pure water in the pure water pipe b passes through the return duct d
It is back in the raw water tubes a, the pure water return valve 80 of bidirectional conduction can also be set on the return duct d, due to described
Pure water return valve 80 is bidirectional conduction, this allow for the pure water return valve 80 and need in 10 water processed of membrane filter, be
Convenient for controlling the opening of the pure water return valve 80 or closing, the pure water return valve 80 electrically connected with the controller
It connects, the controller controls the pure water return valve when the intake switch 20 is opened namely during 10 water processed of membrane filter
80 close；For the controller when the intake switch 20 is closed namely at the end of 10 water processed of the membrane filter, control is described pure
Water return valve 80 is opened.
Further, the water cleaning systems 100 further include pressure-detecting device 85, and the pressure-detecting device 85 can be
High-voltage switch gear, pressure sensor etc. are installed on the pure water pipe b between the membrane filter 10 and the intake switch 20,
And for detecting the real-time hydraulic pressure value in the pure water pipe b, the controller is also electrically connected with the pressure-detecting device 85,
And opening or the closing of the pure water return valve 80 are controlled according to the testing result of the pressure-detecting device 85.
Specifically, when the real-time hydraulic pressure value that the pressure-detecting device 85 is detected in the pure water pipe b is less than default water
It during pressure value, then represents the intake switch 20 and is in opening state, is i.e. user needs to fetch water, at this time described in the controller control
Booster pump 15 is opened and the pure water return valve 80 is controlled to close, and the pure water that the membrane filter 10 is produced at this time is only by described pure
Water pipe b discharges are taken for user；When the intake switch 20 is closed, the membrane filter 10 can't terminate water processed at once,
At this point, the pure water that the membrane filter 10 is produced is continued to flow into the pure water pipe b, since the pure water in the pure water pipe b is more next
More, this pure water hydraulic pressure allowed in the pure water pipe b can gradually increase, when the pressure-detecting device 85 detect it is described
When implementation hydraulic pressure value in pure water pipe b reaches default hydraulic pressure value, the controller controls the booster pump 15 to work on and control
It makes the pure water return valve 80 to open, so that the pure water in the pure water pipe b is back to the raw water by the return duct d
In pipe a, and the membrane filter 10 is rinsed together with the raw water in the raw water tubes a.It is arranged such so that the water purification
System 100 can automatically carry out the membrane filter 10 just rinsing, and the operation of the water cleaning systems 100 be simplified, convenient for user
It uses.
It should be noted that when the membrane filter 10 is in and just rinses state, if user beats the intake switch 20
It opens, then stops that the membrane filter 10 is carried out just to rinse, the controller controls the pure water return valve 80 to close, will
The membrane filter 10 switches to water state processed.
Further, the water cleaning systems 100 further include third check valve 90, and the third check valve 90 is installed on described
On pure water pipe b between pressure-detecting device 85 and the membrane filter 10, institute is back to limit the pure water in the pure water pipe b
It states in membrane filter 10, this assures pure in the pure water pipe b between the third check valve 90 and the intake switch 20
Water hydraulic pressure value can keep stable, be back in the membrane filter 10 so as to avoid the pure water in the pure water pipe b, and cause
Real-time Water pressure in the pure water pipe b changes, and then appearance the problem of the controller is caused to carry out maloperation.
In order to extend the service life of the membrane filter 10, in an embodiment of the utility model, the water cleaning systems
100 further include preposition filter core 95, and the preposition filter core 95 is installed on the raw water tubes a.It should be noted that the preposition filter
The quantity of core 95 can be one or more, the preposition filter core 95 can be PP cotton filter cores, active carbon filter core or other
Filter core with filtering function does not do specific restriction herein.Preposition filter core 95 before the membrane filter 10 is set, thus can
It is enough effectively to filter out large granular impurity in raw water, and then avoid granule foreign in raw water and be attached in the membrane filter 10
On, and the problem of the membrane filter 10 is caused to be blocked, and then the problem of shortening 10 service life of membrane filter, occurs.
Preferably, the preposition filter core 95 is composite filter element, which includes three layers of non-woven fabrics, carbon fiber and PP cottons
It is compounded to form, i.e., the function of composite filter element set carbon fiber filter core and PP cotton filter cores namely two can be replaced with filter core
A filter core, which reduces the quantity of preposition filter core 95, so that 100 required installation space of entire water cleaning systems is more
It is small.
Further, the booster pump 15 is installed on the raw water tubes a between the preposition filter core 95 and the membrane filter 10
On, the raw water tubes a between the water outlet of the pure water return valve 80 and the preposition filter core 95 and the membrane filter 10 is connected；Institute
It states water cleaning systems 100 and further includes the 4th check valve 96, the 4th check valve 96 is installed on the preposition filter core 95 and membrane filter
On raw water tubes a between 10, and positioned at the setting of the upstream of the booster pump 15 and the water outlet of the pure water return valve 80.So
Setting, on the one hand avoids the problem of being back in the preposition filter core 95 by the water purification of the preposition filter core 95 and occurs；Separately
On the one hand, the problem of pure water to flow back by the pure water return valve 80 is flowed into the preposition filter core 95 is avoided to occur.
In order to promote the mouthfeel of pure water, in an embodiment of the utility model, the water cleaning systems 100 further include postposition
Filter core 97, the postposition filter core 97 are serially connected on the pure water pipe bb.It should be noted that the quantity of the preposition filter core 95 can
To be one or more, the postposition filter core 97 can be installed on the water inlet of the membrane filter 10 and the pure water return valve 80
On pure water pipe b between end, it can also be serially connected on the pure water pipe b in the water inlet end downstream of the pure water return valve 80,
This does not do specific restriction to the installation site of the postposition filter core 97.The postposition filter core 97 can be active carbon filter core, living
Property filtration core mainly using activated carbon as primary raw material, chlorine residue, peculiar smell etc. in water removal can be removed, while the mouth of water can also be improved
Sense, and then be conducive to be promoted the experience of user.
When being in shutdown status in order to ensure the water cleaning systems 100, no water is entered to described by the raw water tubes a
In membrane filter 10, the water cleaning systems 100 further include entering water electromagnetic valve 98, and the entering water electromagnetic valve 98 is installed on the return duct
On the raw water tubes a in the water outlet downstream of d, to control whether the membrane filter 10 intakes.And the entering water electromagnetic valve 98 also with
The controller is electrically connected, so set, can be controlled by the controller entering water electromagnetic valve 98 open or
It closes, and then convenient for controlling the opening of the entering water electromagnetic valve 98 or closing.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
It is every under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes or directly/is used in other related technical areas indirectly and is included in the scope of patent protection of the utility model.
Claims (14)
1. a kind of water cleaning systems, which is characterized in that including：
Membrane filter has the raw water mouth connected with raw water tubes, the pure water mouth connected with pure water pipe and is connected with waste pipe useless
The mouth of a river；
Booster pump is installed on the raw water tubes；
Intake switch is installed in the pure water pipe；
Return duct, the pure water pipe between water inlet end and the membrane filter and the intake switch connect, water outlet with it is described
Raw water tubes connect；And
Controller is electrically connected with the booster pump and the intake switch, and the controller receives the intake switch
Shutdown signal when, the supercharging pump work is controlled, so that the pure water in the pure water pipe is back to institute by the return duct
It states in raw water tubes and together with the raw water in the raw water tubes to the membrane filter just rinse.
2. water cleaning systems as described in claim 1, which is characterized in that the water cleaning systems further include raw water regulating valve, described
Raw water regulating valve is installed on the raw water tubes of the return duct upstream；
The controller is also electrically connected with the raw water regulating valve, and the controller controls the raw water regulating valve work, with
So that the real-time return water amount being back to by the return duct in the membrane filter increases.
3. water cleaning systems as described in claim 1, which is characterized in that the water cleaning systems further include waste water regulating valve, described
Waste water regulating valve is installed on the waste pipe；
The controller is also electrically connected with the waste water regulating valve, and the controller controls the waste water regulating valve work, with
So that the real-time return water amount being back to by the return duct in the membrane filter increases.
4. water cleaning systems as described in claim 1, which is characterized in that the water cleaning systems further include the first TDS detection devices
With the 2nd TDS detection devices, the first TDS detection devices are installed on the waste pipe, the 2nd TDS detection devices peace
On the raw water tubes of water outlet upstream loaded on the return duct；
The controller is also electrically connected with the first TDS detection devices and the 2nd TDS detection devices respectively, the controller
The supercharging pump work is controlled according to the testing result of the first TDS detection devices and the 2nd TDS detection devices.
5. water cleaning systems as described in claim 1, which is characterized in that the water cleaning systems further include flow detector, institute
It states on the raw water tubes for the water outlet upstream that flow detector is installed on the return duct or the flow detector is installed
In on the waste pipe；
The controller and the flow detector are electrically connected, and the controller is according to the detection of the flow detector
Pump work is pressurized described in output control.
6. water cleaning systems as described in claim 1, which is characterized in that the water cleaning systems further include timer, the timing
Device is used to detect the first flushing duration of the membrane filter；
The controller is also electrically connected with the timer, and the controller controls institute according to the testing result of the timer
State supercharging pump work.
7. water cleaning systems as described in claim 1, which is characterized in that the water cleaning systems further include water storage device, the first list
To valve, the first solenoid valve and second solenoid valve, the water inlet end of the water storage device and the membrane filter and the intake switch
Between pure water pipe connection, the water outlet of the water storage device connects with the raw water tubes, and first check valve is installed on institute
The water outlet of water storage device is stated, first solenoid valve is installed on the water inlet end of the water storage device, the second solenoid valve peace
On the raw water tubes of water inlet end upstream loaded on the water storage device；
The controller is also electrically connected with first solenoid valve and second solenoid valve respectively, and the controller is receiving
When stating the shutdown signal of intake switch, first solenoid valve is controlled to open, so that the pure water in the pure water pipe flows into institute
It states in water storage device, and when receiving the pure water water level in the water storage device and reaching preset water level signal, control described the
One solenoid valve is closed；The controller rinses end signal also receiving at the beginning of membrane filter when, first solenoid valve is controlled
It opens and the second solenoid valve is controlled to close, so that the pure water in the water storage device is back in the membrane filter to described
Membrane filter carries out secondary flushing.
8. water cleaning systems as described in claim 1, which is characterized in that the water outlet of the return duct and the booster pump upstream
Raw water tubes connection.
9. water cleaning systems as described in claim 1, which is characterized in that the water cleaning systems further include the second check valve, described
Second check valve is serially connected on the return duct, described pure by return duct inflow to limit the raw water in the raw water tubes
In water pipe.
10. water cleaning systems as described in claim 1, which is characterized in that the water cleaning systems further include pure water return valve, described
Pure water return valve is serially connected on the return duct.
11. water cleaning systems as claimed in claim 10, which is characterized in that the water cleaning systems further include pressure-detecting device,
The pressure-detecting device is installed in the pure water pipe between the membrane filter and the intake switch, to detect the pure water pipe
Interior real-time hydraulic pressure value；
The controller is also electrically connected with the pressure-detecting device, and the controller is according to the inspection of the pressure-detecting device
Survey pure water return valve work described in output control.
12. water cleaning systems as described in claim 1, which is characterized in that the water cleaning systems further include preposition filter core, before described
Filter core is put to be installed on the raw water tubes.
13. water cleaning systems as described in claim 1, which is characterized in that the water cleaning systems further include postposition filter core, after described
Filter core is put to be serially connected in the pure water pipe.
14. water cleaning systems as described in claim 1, which is characterized in that the water cleaning systems further include entering water electromagnetic valve, described
Entering water electromagnetic valve is installed on the raw water tubes between the water outlet of the membrane filter and the return duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721659952.XU CN207551968U (en) | 2017-12-01 | 2017-12-01 | Water cleaning systems |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721659952.XU CN207551968U (en) | 2017-12-01 | 2017-12-01 | Water cleaning systems |
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| CN207551968U true CN207551968U (en) | 2018-06-29 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108892263A (en) * | 2018-08-21 | 2018-11-27 | 深圳安吉尔饮水产业集团有限公司 | The water purification system and water purifier of TDS value after reduction reverse osmosis membrane water salt balance |
| CN109399825A (en) * | 2018-12-26 | 2019-03-01 | 中山市史麦斯净水科技有限公司 | The adjustable water purifier of water yield and its runoff investigation control method |
| CN109395587A (en) * | 2018-12-19 | 2019-03-01 | 广东万家乐燃气具有限公司 | Filter membrane purging method |
| CN109626616A (en) * | 2018-12-25 | 2019-04-16 | 珠海格力电器股份有限公司 | water purification system and control method thereof |
| CN109867330A (en) * | 2017-12-01 | 2019-06-11 | 佛山市顺德区美的饮水机制造有限公司 | The control method of water purification system and water purification system |
| CN112320892A (en) * | 2020-10-13 | 2021-02-05 | 日出东方控股股份有限公司 | Pure water film washing system |
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2017
- 2017-12-01 CN CN201721659952.XU patent/CN207551968U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109867330A (en) * | 2017-12-01 | 2019-06-11 | 佛山市顺德区美的饮水机制造有限公司 | The control method of water purification system and water purification system |
| CN108892263A (en) * | 2018-08-21 | 2018-11-27 | 深圳安吉尔饮水产业集团有限公司 | The water purification system and water purifier of TDS value after reduction reverse osmosis membrane water salt balance |
| CN109395587A (en) * | 2018-12-19 | 2019-03-01 | 广东万家乐燃气具有限公司 | Filter membrane purging method |
| CN109626616A (en) * | 2018-12-25 | 2019-04-16 | 珠海格力电器股份有限公司 | water purification system and control method thereof |
| CN109399825A (en) * | 2018-12-26 | 2019-03-01 | 中山市史麦斯净水科技有限公司 | The adjustable water purifier of water yield and its runoff investigation control method |
| CN112320892A (en) * | 2020-10-13 | 2021-02-05 | 日出东方控股股份有限公司 | Pure water film washing system |
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