CN207418344U - Reverse osmosis purified water system and water purifier - Google Patents
Reverse osmosis purified water system and water purifier Download PDFInfo
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- CN207418344U CN207418344U CN201721390270.3U CN201721390270U CN207418344U CN 207418344 U CN207418344 U CN 207418344U CN 201721390270 U CN201721390270 U CN 201721390270U CN 207418344 U CN207418344 U CN 207418344U
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Abstract
The utility model provides a kind of reverse osmosis purified water system and water purifier, wherein, reverse osmosis purified water system, including：Inlet unit is connected with reverse-osmosis treated unit, and external raw water flows into reverse-osmosis treated unit through inlet unit；For filtering raw water, concentrated water is formed when filtering raw water in reverse-osmosis treated unit for reverse-osmosis treated unit；First detection unit, in inlet unit；Control unit, according to first detection unit detect raw water TDS values, control unit control reverse-osmosis treated unit concentrated water is discharged in the first water discharge time, will be in concentrate recirculation to inlet unit in the first return time.By the technical solution of the utility model, ensure that raw water it is purified after the TDS values of pure water that are formed within the specific limits, i.e. health and safe, while extend the service life of product and the rate of recovery of raising product.
Description
Technical field
The utility model is related to quality purifying device for water technical field, in particular to a kind of reverse osmosis purified water system and
A kind of water purifier.
Background technology
Existing market water purifier is mainly reverse osmosis type, and anti-penetration water purifier is being worked due to the principle of reverse osmosis membrane
When must exclude a part of concentrated water.Based on the requirement of current environmental protection, the domestic need for high water-saving anti-penetration water purifier
Ask more and more, and country proposes water effect class requirement with regard to anti-penetration water purifier, it is desirable that anti-penetration water purifier improves in producer
The rate of recovery.The domestic high water-saving technology used is all the discharge that concentrated water is directly reduced using the concentrated water solenoid valve more to throttle at present,
But this method be easy to cause the blocking of concentrated water solenoid valve, reverse osmosis membrane is dirty stifled.While reverse osmosis membrane reflux ratio is improved, because
It is raised for reverse osmosis membrane surface raw water TDS, the TDS values of reverse osmosis water outlet can be caused to raise, reduce reverse osmosis water outlet water quality.
The country has arguement all to filter out substance whole in water on reverse osmosis water outlet always at present, does not retain
A part of minerals may have deleterious effect to human body.So reverse osmosis water purifier uses in the preferable area of raw water quality
Water outlet TDS values it is relatively low may not be it is very healthy, be not suitable for human body, and reverse osmosis water purifier is in the poor region of raw water quality
Higher using water outlet TDS values may not be fool proof.
Utility model content
The utility model is intended at least solve one of technical problem present in the prior art or correlation technique.
For this purpose, first of the utility model is designed to provide a kind of reverse osmosis purified water system.
Second of the utility model is designed to provide a kind of water purifier.
To achieve the above object, the technical solution of the utility model first aspect provides a kind of reverse osmosis purified water system,
Including：Inlet unit is connected with reverse-osmosis treated unit, and external raw water flows into reverse-osmosis treated unit through inlet unit；
For filtering raw water, concentrated water is formed when filtering raw water in reverse-osmosis treated unit for reverse-osmosis treated unit；First detection is single
Member, in inlet unit；Control unit, the TDS values of raw water are detected according to first detection unit, and control unit control is reverse osmosis
Processing unit discharges concentrated water in the first water discharge time, will be in concentrate recirculation to inlet unit in the first return time.
In the technical scheme, by according to the TDS values of raw water set reverse-osmosis treated unit in concentrated water draining when
Between and return time, ensure that raw water it is purified after the TDS values of pure water that are formed within the specific limits, i.e., it is healthy and safely,
The service life of product is extended simultaneously and improves the rate of recovery of product.
In addition, the reverse osmosis purified water system in above-mentioned technical proposal provided by the utility model can also have following add
Technical characteristic：
In the above-mentioned technical solutions, it is preferable that the TDS values of first detection unit detection raw water are the first TDS value ranges, the
One TDS value ranges have multiple segmentations, wherein, first is segmented into TDS<120；Second is segmented into 120 to 250；3rd is segmented into
250 to 380；4th is segmented into 380 to 500；5th is segmented into 500 to 750；6th is segmented into 750 to 1000.
In the technical scheme, since the mobility of raw water may cause the TDS for the raw water that first detection unit detects
Value is variation or there are error, therefore, when control unit is according to the TDS values of the raw water in a certain scope setting identical draining
Between and return time so that the time control of the system is more accurate, while it is possible to prevente effectively from different TDS values need it is frequent
The unnecessary step such as adjustment time simplifies the program of the system, improves efficiency.
In any of the above-described technical solution, it is preferable that in same first TDS value ranges, the first water discharge time and first
Return time is identical.
In the technical scheme, by the way that the TDS values of the raw water in a certain scope are set identical water discharge time and reflux
Time so that the time control of the system is more accurate, while it is possible to prevente effectively from different TDS values need frequent adjustment time
Etc. unnecessary step, simplify the program of the system, improve efficiency.
In any of the above-described technical solution, it is preferable that the first water discharge time be 0s to 40s, the first return time for 0s extremely
40s。
In the technical scheme, by setting the first return time of concentrated water, the current stream of film surface can be effectively ensured
Speed reduces the concentration polarization effect of film surface；By setting the first drain time of concentrated water, reverse-osmosis treated unit can be accumulated
The high raw water of tired concentration emits, and so as to reduce concentrated water concentration, can effectively improve the rate of recovery of product.
In any of the above-described technical solution, it is preferable that further include：First water unit is connected with reverse-osmosis treated unit
It connects, the pure water that raw water is formed after the filtering of reverse-osmosis treated unit is discharged by the first water unit；Control unit has second
Detection unit, second detection unit are arranged on the first water unit；Wherein, the TDS of pure water is detected according to second detection unit
Value, control unit control reverse-osmosis treated unit concentrated water is discharged in the second water discharge time, in the second return time by concentrated water
It is back in inlet unit.
In the technical scheme, by according to the TDS values of raw water set reverse-osmosis treated unit in concentrated water draining when
Between and return time as initial set value, further according to the TDS values amendment water discharge time and return time of pure water, ensure that original
The TDS values of the pure water formed after water is purified within the specific limits, i.e. health and safe, while extend product uses the longevity
Life and the rate of recovery for improving product.
In any of the above-described technical solution, it is preferable that the TDS values of second detection unit detection pure water are the 2nd TDS models
Value is enclosed, the 2nd TDS value ranges have multiple segmentations, wherein, the 7th is segmented into TDS<7；8th is segmented into 7 to 20；9th segmentation
For TDS>20.
In the technical scheme, since the mobility of pure water may cause the pure water that second detection unit detects
TDS values are variations or there are error, therefore, control unit according to the setting of the TDS values of the pure water in a certain scope just as
Water discharge time and return time so that the time control of the system is more accurate, while it is possible to prevente effectively from different TDS values need
The unnecessary step such as frequent adjustment time is wanted, simplifies the program of the system, improves efficiency.
In any of the above-described technical solution, it is preferable that in same 2nd TDS value ranges, the second water discharge time and second
Return time is identical.
In the technical scheme, by the way that the TDS values of the pure water in a certain scope are set identical water discharge time and are returned
Flowing the time so that the time control of the system is more accurate, while it is possible to prevente effectively from when different TDS values need frequently adjustment
Between etc. unnecessary step, simplify the system program, improve efficiency.
In any of the above-described technical solution, it is preferable that the second water discharge time be 0s to 40s, the second return time for 0s extremely
40s。
In the technical scheme, it is the second water discharge time by the first draining time modification by the TDS values according to pure water,
The high raw water of the concentration that reverse-osmosis treated unit can be accumulated emits, and further reduces concentrated water concentration, can effectively carry
The rate of recovery of high product；First return time is revised as the second return time, is further ensured that the flow rate of water flow of film surface, into
One step reduces the concentration polarization effect of film surface.
In any of the above-described technical solution, it is preferable that first detection unit and second detection unit are respectively TDS probes.
In the technical scheme, TDS probes are as the solid dissolving contained in the solid amount dissolved in water, i.e. every liter of water
The survey tool of object, user can more intuitively observe data, easy to operate.
In any of the above-described technical solution, it is preferable that reverse-osmosis treated unit includes：Reverse-osmosis treated device has water inlet
Pipe, the first outlet pipe and the second outlet pipe, inlet unit are arranged on water inlet pipe, and the first water unit is arranged on the first outlet pipe；
Booster, on water inlet pipe, booster has water inlet end；First solenoid valve, on the second outlet pipe, the first solenoid valve is used
In the opening and closing for controlling the second outlet pipe.
In the technical scheme, by reverse-osmosis treated device by the impurity in raw water such as pesticide, bacterium, virus, heavy metal
Etc. harmful substances almost all be trapped exclusion, improve the water quality of drinking water so that user can drink more health and safety
Water, achieve the purpose that provide high-quality, clean water.
In any of the above-described technical solution, it is preferable that inlet unit includes：First filter, on water inlet pipe；Second
Solenoid valve, on water inlet pipe, second solenoid valve is used to control the opening and closing of water inlet pipe.
In the technical scheme, first filter tentatively filters raw water, is filled into the larger molecule of grain size, prevents
Large-sized molecule blocks reverse osmosis filter, prolongs the service life.
In any of the above-described technical solution, it is preferable that the first water unit includes：Second filter, arranged on the first water outlet
Guan Shang.
In the technical scheme, the second filter further filters the pure water that reverse-osmosis treated device is discharged, and carries
The water quality of high-purity water purification provides the clean water of high-quality.
In any of the above-described technical solution, it is preferable that further include：Second water unit is connected, instead with the first solenoid valve
Concentrated water in infiltration processing unit is discharged through the second water unit；Reflux unit, one end are connected with inlet unit, the other end with
Second water unit is connected, for by concentrate recirculation to inlet unit.
In the technical scheme, the concentrated water accumulated in reverse-osmosis treated unit can be discharged by the second water unit,
So as to reduce surface concentrated water concentration；The concentration polarization effect of reverse-osmosis treated unit can be effectively reduced by reflux unit.
In any of the above-described technical solution, it is preferable that the second water unit includes：Drainpipe is connected with the second outlet pipe
It is logical；3rd solenoid valve, on drainpipe, to control the opening and closing of drainpipe.
In the technical scheme, by the opening and closing of the 3rd solenoid valve, in control reverse-osmosis treated unit the concentrated water of accumulation from
Drainpipe is discharged, and ensures the water concentration in reverse-osmosis treated unit.
In any of the above-described technical solution, it is preferable that the first solenoid valve, second solenoid valve and the 3rd solenoid valve with control
Unit is connected.
In the technical scheme, the opening and closing of corresponding solenoid valve is controlled by control unit so that the system has cuts automatically
Change the function of discharge and the reflux of concentrated water.
In any of the above-described technical solution, it is preferable that reflux unit includes：One end of return duct, water inlet end and return duct
It is connected, the first solenoid valve is connected with the other end of return duct；Check valve, on return duct.
In the technical scheme, by check valve the concentrated water accumulated in reverse-osmosis treated unit is controlled to be back to from return duct
Water inlet pipe effectively reduces the concentration polarization effect of reverse-osmosis treated unit.
In any of the above-described technical solution, it is preferable that control unit is integrated chip, for controlling the draining of concentrated water and returning
Stream.
In the technical scheme, by integrated chip concentrated water is controlled to be discharged in the first drain time and when first flows back
Interior reflux and revised second drain time and the second return time simplify the circuit structure of the system, system fortune
Row is more stablized, and improves operational efficiency.
The technical solution of the utility model second aspect provides a kind of water purifier, has such as the utility model first aspect
In the reverse osmosis treatment system that provides of any technical solution.
In the technical scheme, the water purifier that the utility model second aspect provides has above-mentioned reverse osmosis treatment system
Any technique effect, details are not described herein.
The additional aspect and advantage of the utility model will become apparent or new by this practicality in following description section
The practice of type is recognized.
Description of the drawings
Fig. 1 shows the structure chart of one embodiment reverse osmosis treatment system according to the present utility model；
Fig. 2 shows the drainage flow path figure of concentrated water in one embodiment reverse osmosis treatment system according to the present utility model；
Fig. 3 shows the reflux process figure of concentrated water in one embodiment reverse osmosis treatment system according to the present utility model；
Correspondences of the Fig. 1 into Fig. 3 between reference numeral and component names be：
10 inlet units, 102 first filters, 104 second solenoid valves, 20 reverse-osmosis treated units, 202 reverse-osmosis treateds
Device, 204 water inlet pipes, 206 first outlet pipes, 208 second outlet pipes, 210 boosters, 212 first solenoid valves, 30 raw waters, 40 is dense
Water, 50 first detection units, 60 first water units, 70 pure water, 80 second detection units, 90 second water units, 902 rows
Water pipe, 904 the 3rd solenoid valves, 100 reflux units, 1002 return ducts, 1004 check valves.
Specific embodiment
In order to be more clearly understood that the above-mentioned purpose of the utility model, feature and advantage, below in conjunction with the accompanying drawings and have
The utility model is further described in detail in body embodiment.It should be noted that in the case where there is no conflict, this Shen
The feature in embodiment and embodiment please can be mutually combined.
Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality
New to be implemented using other different from other modes described here, therefore, the scope of protection of the utility model is simultaneously
It is not limited to the limitation of following public specific embodiment.
The reverse osmosis treatment system of embodiment according to the present utility model is specifically described with reference to Fig. 1 to Fig. 3.
As shown in Figure 1 to Figure 3, the reverse osmosis treatment system of one embodiment according to the present utility model, including：Water inlet is single
Member 10, is connected with reverse-osmosis treated unit 20, and external raw water 30 flows into reverse-osmosis treated unit 20 through inlet unit 10；Instead
Processing unit 20 is permeated, for filtering raw water 30, forms concentrated water 40 in reverse-osmosis treated unit 20 when filtering raw water 30；The
One detection unit 50, in inlet unit 10；Control unit detects the TDS values of raw water 30, control according to first detection unit 50
Unit processed control reverse-osmosis treated unit 20 discharges concentrated water 40 in the first water discharge time, in the first return time by concentrated water 40
It is back in inlet unit 10.
In this embodiment, the row according to the concentrated water 40 in the TDS values of raw water 30 setting reverse-osmosis treated unit 20 is passed through
Water time and return time, ensure that raw water 30 it is purified after the TDS values of pure water 70 that are formed within the specific limits, i.e. health
Safety again, while extend the service life of product and improve the rate of recovery of product.
Wherein, concentrated water refers to the waste water for the high saliferous being burdened in reverse osmosis deaslination processing procedure.
In the above embodiment, it is preferable that first detection unit 50 detects the TDS values of raw water 30 as the first TDS value ranges,
First TDS value ranges have multiple segmentations, wherein, first is segmented into TDS<120；Second is segmented into 120 to 250；3rd segmentation
For 250 to 380；4th is segmented into 380 to 500；5th is segmented into 500 to 750；6th is segmented into 750 to 1000.
In this embodiment, since the mobility of raw water 30 may cause the raw water 30 that first detection unit 50 detects
TDS values are variations or there are error, and therefore, control unit is identical according to the setting of the TDS values of the raw water 30 in a certain scope
Water discharge time and return time so that the time control of the system is more accurate, while it is possible to prevente effectively from different TDS values need
The unnecessary step such as frequent adjustment time is wanted, simplifies the program of the system, improves efficiency.
In any of the above-described embodiment, it is preferable that in same first TDS value ranges, the first water discharge time and first time
It is identical to flow the time.
In this embodiment, by the way that the TDS values of the raw water 30 in a certain scope are set identical water discharge time and reflux
Time so that the time control of the system is more accurate, while it is possible to prevente effectively from different TDS values need frequent adjustment time
Etc. unnecessary step, simplify the program of the system, improve efficiency.
In any of the above-described embodiment, it is preferable that the first water discharge time be 0s to 40s, the first return time for 0s extremely
40s。
In this embodiment, by setting the first return time of concentrated water 40, the current stream of film surface can be effectively ensured
Speed reduces the concentration polarization effect of film surface；It, can be by reverse-osmosis treated unit by setting the first drain time of concentrated water 40
The raw water 30 that the concentration of 20 accumulation is high emits, and so as to reduce by 40 concentration of concentrated water, can effectively improve the rate of recovery of product.
In any of the above-described embodiment, it is preferable that further include：First water unit 60, with 20 phase of reverse-osmosis treated unit
Connection, the pure water 70 that raw water 30 is formed after the filtering of reverse-osmosis treated unit 20 are discharged by the first water unit 60；Control is single
Member has second detection unit 80, and second detection unit 80 is arranged on the first water unit 60；Wherein, according to second detection unit
The TDS values of 80 detection pure water 70, control unit control reverse-osmosis treated unit 20 in the second water discharge time discharge concentrated water 40,
Concentrated water 40 is back in inlet unit 10 in the second return time.
In this embodiment, the row according to the concentrated water 40 in the TDS values of raw water 30 setting reverse-osmosis treated unit 20 is passed through
Water time and return time are corrected water discharge time and return time further according to the TDS values of pure water 70, are protected as initial set value
Demonstrate,proved raw water 30 it is purified after the TDS values of pure water 70 that are formed within the specific limits, i.e., it is healthy and safely, while extend production
The service life of product and the rate of recovery for improving product.
In any of the above-described embodiment, it is preferable that the TDS values that second detection unit 80 detects pure water 70 are the 2nd TDS
Value range, the 2nd TDS value ranges have multiple segmentations, wherein, the 7th is segmented into TDS<7；8th is segmented into 7 to 20；9th point
Section is TDS>20.
In this embodiment, since the mobility of pure water 70 may cause the pure water that second detection unit 80 detects
70 TDS values are variations or there are error, and therefore, control unit is according to the setting of the TDS values of the pure water 70 in a certain scope
Just as water discharge time and return time so that the time control of the system is more accurate, while it is possible to prevente effectively from different
TDS values need the unnecessary steps such as frequent adjustment time, simplify the program of the system, improve efficiency.
In any of the above-described embodiment, it is preferable that in same 2nd TDS value ranges, the second water discharge time and second time
It is identical to flow the time.
In this embodiment, by the way that the TDS values of the pure water 70 in a certain scope are set identical water discharge time and are returned
Flowing the time so that the time control of the system is more accurate, while it is possible to prevente effectively from when different TDS values need frequently adjustment
Between etc. unnecessary step, simplify the system program, improve efficiency.
In any of the above-described embodiment, it is preferable that the second water discharge time be 0s to 40s, the second return time for 0s extremely
40s。
In this embodiment, it is the second water discharge time by the first draining time modification by the TDS values according to pure water 70,
The high raw water 30 of the concentration that reverse-osmosis treated unit 20 can be accumulated emits, and further reduces by 40 concentration of concentrated water, can be with
Effectively improve the rate of recovery of product；First return time is revised as the second return time, is further ensured that the current of film surface
Flow velocity further reduces the concentration polarization effect of film surface.
In any of the above-described embodiment, it is preferable that first detection unit 50 and the respectively TDS of second detection unit 80 are visited
Pin.
In this embodiment, TDS probes are as the dissolved solids contained in the solid amount dissolved in water, i.e. every liter of water
Survey tool, user can more intuitively observe data, easy to operate.
In any of the above-described embodiment, it is preferable that reverse-osmosis treated unit 20 includes：Reverse-osmosis treated device 202, have into
Water pipe 204, the first outlet pipe 206 and the second outlet pipe 208, inlet unit 10 are arranged on water inlet pipe 204, the first water unit 60
On the first outlet pipe 206；Booster 210, on water inlet pipe 204, booster 210 has water inlet end；First solenoid valve
212, on the second outlet pipe 208, the first solenoid valve 212 is used to control the opening and closing of the second outlet pipe 208.
In this embodiment, by reverse-osmosis treated device 202 by the impurity in raw water 30 such as pesticide, bacterium, virus, a huge sum of money
The harmful substances almost all such as category are trapped exclusion, improve the water quality of drinking water so that user can drink more healthy and peace
Full water achievees the purpose that provide high-quality, clean water.
In any of the above-described embodiment, it is preferable that inlet unit 10 includes：First filter 102, arranged on water inlet pipe 204
On；Second solenoid valve 104, on water inlet pipe 204, second solenoid valve 104 is used to control the opening and closing of water inlet pipe 204.
In this embodiment, first filter 102 tentatively filters raw water 30, is filled into the larger molecule of grain size,
It prevents large-sized molecule from blocking reverse osmosis filter, prolongs the service life.
In any of the above-described embodiment, it is preferable that the first water unit 60 includes：Second filter, arranged on the first water outlet
On pipe 206.
In this embodiment, the pure water 70 that the second filter discharges reverse-osmosis treated device 202 is further filtered,
The water quality of pure water 70 is improved, the clean water of high-quality is provided.
In any of the above-described embodiment, it is preferable that further include：Second water unit 90 is connected with the first solenoid valve 212
It connects, the concentrated water 40 in reverse-osmosis treated unit 20 is discharged through the second water unit 90；Reflux unit 100, one end and inlet unit
10 are connected, and the other end is connected with the second water unit 90, for concentrated water 40 to be back to inlet unit 10.
It in this embodiment, can be by 40 row of concentrated water of accumulation in reverse-osmosis treated unit 20 by the second water unit 90
Go out, so as to reduce by 40 concentration of surface concentrated water；The concentration polarization of reverse-osmosis treated unit 20 can be effectively reduced by reflux unit 100
Change effect.
In any of the above-described embodiment, it is preferable that the second water unit 90 includes：Drainpipe 902, with the second outlet pipe
208 are connected；3rd solenoid valve 904, on drainpipe 902, to control the opening and closing of drainpipe 902.
In this embodiment, the opening and closing of the 3rd solenoid valve 904, the concentrated water of 20 interior accumulation of control reverse-osmosis treated unit are passed through
40 discharge from drainpipe 902, ensure the water concentration in reverse-osmosis treated unit 20.
In any of the above-described embodiment, it is preferable that the first solenoid valve 212,104 and the 3rd solenoid valve 904 of second solenoid valve
It is connected with control unit.
In this embodiment, the opening and closing of corresponding solenoid valve is controlled by control unit so that the system, which has, to automatically switch
The function of discharge and the reflux of concentrated water 40.
In any of the above-described embodiment, it is preferable that reflux unit 100 includes：Return duct 1002, water inlet end and return duct
1002 one end is connected, and the first solenoid valve 212 is connected with the other end of return duct 1002；Check valve 1004, arranged on reflux
On pipe 1002.
In this embodiment, the concentrated water 40 accumulated in reverse-osmosis treated unit 20 is controlled from return duct by check valve 1004
1002 are back to water inlet pipe 204, effectively reduce the concentration polarization effect of reverse-osmosis treated unit 20.
In any of the above-described embodiment, it is preferable that control unit is integrated chip, for controlling the draining of concentrated water 40 and returning
Stream.
In this embodiment, by integrated chip concentrated water 40 is controlled to be discharged in the first drain time and when first flows back
Interior reflux and revised second drain time and the second return time simplify the circuit structure of the system, system fortune
Row is more stablized, and improves operational efficiency.
According to the control method of the utility model one embodiment, for controlling as any in the utility model first aspect
The reverse osmosis purified water system that embodiment provides, control method include：Raw water 30 flows into reverse-osmosis treated unit through inlet unit 10
20；Raw water 30 forms concentrated water 40 after the filtering of reverse-osmosis treated unit 20 in reverse-osmosis treated unit 20；First detection unit
The TDS values of 50 detection raw waters 30 are used as the first TDS values；According to the first TDS values, control unit control reverse-osmosis treated unit 20 exists
Concentrated water 40 is discharged in first water discharge time, concentrated water 40 is back in inlet unit 10 in the first return time.
In this embodiment, control method is used to control the reverse osmosis purified water system of the utility model first aspect, the control
Method processed has any technique effect of above-mentioned reverse osmosis purified water system, and details are not described herein.
In the above embodiment, it is preferable that it further includes：Raw water 30 forms pure water after the filtering of reverse-osmosis treated unit 20
70；Pure water 70 is discharged through the first water unit 60；The TDS values that second detection unit 80 detects pure water 70 are used as the 2nd TDS
Value；According to the 2nd TDS values, control unit control reverse-osmosis treated unit 20 discharges concentrated water 40, the in the second water discharge time
Concentrated water 40 is back in inlet unit 10 in two return times.
In this embodiment, the row according to the concentrated water 40 in the TDS values of raw water 30 setting reverse-osmosis treated unit 20 is passed through
Water time and return time are corrected water discharge time and return time further according to the TDS values of pure water 70, are protected as initial set value
Demonstrate,proved raw water 30 it is purified after the TDS values of pure water 70 that are formed within the specific limits, i.e., it is healthy and safely, while extend production
The service life of product and the rate of recovery for improving product.
In any of the above-described embodiment, it is preferable that as shown in Fig. 2, in 40 draining of concentrated water, the first electricity of control unit control
Magnet valve 212,104 and the 3rd solenoid valve 904 of second solenoid valve are opened, and concentrated water 40 is through the first solenoid valve 212 and the 3rd solenoid valve 904
It is discharged from drainpipe 902.
In this embodiment it is possible to the concentrated water 40 of accumulation in reverse-osmosis treated unit 20 is discharged, it is dense so as to reduce surface
40 concentration of water.
In any of the above-described embodiment, it is preferable that as shown in figure 3, when concentrated water 40 flows back, the first electricity of control unit control
Magnet valve 212 and second solenoid valve 104 are opened, and the 3rd solenoid valve 904 is closed, and concentrated water 40 is through the first solenoid valve 212 from return duct
1002 are back to the water inlet end of booster 210.
In this embodiment it is possible to the concentrated water 40 of accumulation in reverse-osmosis treated unit 20 is controlled to be back to from return duct 1002
Water inlet pipe 204 effectively reduces the concentration polarization effect of reverse-osmosis treated unit 20.
According to the water purifier of the utility model one embodiment, using any embodiment in such as the utility model second aspect
The control method of offer is controlled.
In this embodiment, the water purifier controlled using the control method of the utility model second aspect has above-mentioned
Any technique effect of control method, details are not described herein.
The technical solution of the utility model is described in detail above in association with attached drawing, the utility model provides a kind of reverse osmosis
Processing system, the control method of the system and water purifier, by being set according to the TDS values of raw water 30 in reverse-osmosis treated unit 20
Concentrated water 40 water discharge time and return time as initial set value, correct water discharge time further according to the TDS values of pure water 70
And return time, ensure that raw water 30 it is purified after the TDS values of pure water 70 that are formed within the specific limits, i.e. health and peace
Entirely, while extend the service life of product and improve the rate of recovery of product.
On the other hand the utility model is additionally provided under the different methods of operation, the power on/off situation of each electrical part,
Such as table 1：
Table 1：
| Booster pump | Second solenoid valve | First solenoid valve | 3rd solenoid valve | |
| Concentrate recirculation | It is powered | It is powered | Power-off | Power-off |
| Concentrated water discharge | It is powered | It is powered | Power-off | It is powered |
| Product is shut down | Power-off | Power-off | Power-off | Power-off |
| Product rinses | It is powered | It is powered | It is powered | Power-off |
The time setting table of different first TDS values, such as table 2：
Table 2：
The time setting table of the 2nd different TDS values, such as table 3：
Table 3：
Wherein, the single loop time adds 40 return time of concentrated water for 40 drain time of concentrated water, and the time of single loop sets
Surely it is to be calculated according to the time-consuming of internal system water circulation primary, the setting of different circulation time also falls into the utility model
Protection domain.
The accounting of drain time and return time in the single loop time is calculated according to the required rate of recovery,
According to the specification of different booster pumps, reverse osmosis membrane and waste water solenoid valve, which is also different, so the different time
Accounting also falls into the scope of protection of the utility model.
The desired value of the TDS values of pure water 70 be according to different reverse osmosis membrane performance and customer demand come definite,
The desired range of values setting of the TDS values of his different pure water 70 also falls into the scope of protection of the utility model.
In the utility model, term " first ", " second ", " the 3rd " are only used for the purpose of description, and it is not intended that
Instruction implies relative importance；Term " multiple " then refers to two or more, unless otherwise restricted clearly.Term " peace
The terms such as dress ", " connected ", " connection ", " fixation " should all be interpreted broadly, for example, " connection " can be fixedly connected, it can also
It is to be detachably connected or be integrally connected；" connected " can be directly connected, and can also be indirectly connected by intermediary.It is right
For those of ordinary skill in the art, it can understand that specific in the utility model of above-mentioned term containing as the case may be
Justice.
In the description of the utility model, it is to be understood that the fingers such as term " on ", " under ", "left", "right", "front", "rear"
The orientation or position relationship shown be based on orientation shown in the drawings or position relationship, be for only for ease of description the utility model and
Simplify description rather than instruction or imply that signified device or unit there must be specific direction, with specific azimuth configuration
And operation, it is thus impossible to be interpreted as the limitation to the utility model.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that combining the particular features, structures, materials, or characteristics that the embodiment or example describe is contained at least the one of the utility model
In a embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical implementation or
Example.Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more embodiments or example
It combines in an appropriate manner.
It these are only the preferred embodiment of the utility model, be not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modifications, equivalent replacements and improvements are made should be included within the scope of protection of this utility model.
Claims (19)
1. a kind of reverse osmosis purified water system, which is characterized in that including：
Inlet unit (10) is connected with reverse-osmosis treated unit (20), and external raw water (30) is through the inlet unit (10)
Flow into the reverse-osmosis treated unit (20)；
The reverse-osmosis treated unit (20), for filtering the raw water (30), when filtering raw water (30) described anti-
It permeates and concentrated water (40) is formed in processing unit (20)；
First detection unit (50), in the inlet unit (10)；
Control unit detects the TDS values of the raw water (30), described control unit control according to the first detection unit (50)
The reverse-osmosis treated unit (20) discharged in the first water discharge time the concentrated water (40), in the first return time will described in
Concentrated water (40) is back in the inlet unit (10).
2. reverse osmosis purified water system according to claim 1, which is characterized in that the first detection unit (50) detects institute
The TDS values of raw water (30) are stated as the first TDS value ranges, the first TDS value ranges have multiple segmentations, wherein, the first segmentation
For TDS<120；Second is segmented into 120 to 250；3rd is segmented into 250 to 380；4th is segmented into 380 to 500；5th is segmented into
500 to 750；6th is segmented into 750 to 1000.
3. reverse osmosis purified water system according to claim 2, which is characterized in that in the same first TDS value ranges,
First water discharge time is identical with first return time.
4. reverse osmosis purified water system according to claim 1, which is characterized in that first water discharge time is 0s to 40s,
First return time is 0s to 40s.
5. reverse osmosis purified water system according to claim 1, which is characterized in that the first detection unit (50) is TDS
Probe.
6. reverse osmosis purified water system according to claim 1, which is characterized in that further include：
First water unit (60) is connected with the reverse-osmosis treated unit (20), and the raw water (30) is through described reverse osmosis
The pure water (70) formed after processing unit (20) filtering is discharged by first water unit (60)；
Second detection unit (80), the second detection unit (80) are arranged on first water unit (60)；
Wherein, the TDS values of the pure water (70), described control unit control institute are detected according to the second detection unit (80)
State reverse-osmosis treated unit (20) concentrated water (40) is discharged in the second water discharge time, will be described dense in the second return time
Water (40) is back in the inlet unit (10).
7. reverse osmosis purified water system according to claim 6, which is characterized in that the second detection unit (80) detects institute
The TDS values of pure water (70) are stated as the 2nd TDS value ranges, the 2nd TDS value ranges have multiple segmentations, wherein, the 7th point
Section is TDS<7；8th is segmented into 7 to 20；9th is segmented into TDS>20.
8. reverse osmosis purified water system according to claim 7, which is characterized in that in the same 2nd TDS value ranges,
Second water discharge time is identical with second return time.
9. reverse osmosis purified water system according to claim 6, which is characterized in that second water discharge time is 0s to 40s,
Second return time is 0s to 40s.
10. reverse osmosis purified water system according to claim 6, which is characterized in that the second detection unit (80) is TDS
Probe.
11. reverse osmosis purified water system according to any one of claim 1 to 10, which is characterized in that the reverse osmosis place
Reason unit (20) includes：
Reverse-osmosis treated device (202), have water inlet pipe (204), the first outlet pipe (206) and the second outlet pipe (208), it is described into
Water unit (10) is arranged on the water inlet pipe (204), and first water unit (60) is arranged on first outlet pipe (206)
On；
Booster (210), on the water inlet pipe (204), the booster (210) has water inlet end；
First solenoid valve (212), on second outlet pipe (208), first solenoid valve (212) is described for controlling
The opening and closing of second outlet pipe (208).
12. reverse osmosis purified water system according to claim 11, which is characterized in that the inlet unit (10) includes：
First filter (102), on the water inlet pipe (204)；
Second solenoid valve (104), on the water inlet pipe (204), the second solenoid valve (104) is used to control the water inlet
Manage the opening and closing of (204).
13. reverse osmosis purified water system according to claim 12, which is characterized in that the first water unit (60) bag
It includes：
Second filter, on first outlet pipe (206).
14. reverse osmosis purified water system according to claim 13, which is characterized in that further include：
Second water unit (90) is connected with first solenoid valve (212), dense in the reverse-osmosis treated unit (20)
Water (40) is discharged through second water unit (90)；
Reflux unit (100), one end are connected with the inlet unit (10), the other end and the second water unit (90) phase
Connection, for the concentrated water (40) to be back to the inlet unit (10).
15. reverse osmosis purified water system according to claim 14, which is characterized in that the second water unit (90) bag
It includes：
Drainpipe (902) is connected with second outlet pipe (208)；
3rd solenoid valve (904), on the drainpipe (902), to control the opening and closing of the drainpipe (902).
16. reverse osmosis purified water system according to claim 15, which is characterized in that first solenoid valve (212), described
Second solenoid valve (104) and the 3rd solenoid valve (904) are connected with described control unit.
17. reverse osmosis purified water system according to claim 14, which is characterized in that the reflux unit (100) includes：
Return duct (1002), the water inlet end are connected with the one end of the return duct (1002), first solenoid valve (212)
It is connected with the other end of the return duct (1002)；
Check valve (1004), on the return duct (1002).
18. reverse osmosis purified water system according to any one of claim 1 to 10, which is characterized in that described control unit
For integrated chip, for controlling the draining and reflux of the concentrated water (40).
19. a kind of water purifier, which is characterized in that there is the reverse osmosis purified water system as any one of claim 1 to 18.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721390270.3U CN207418344U (en) | 2017-10-25 | 2017-10-25 | Reverse osmosis purified water system and water purifier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721390270.3U CN207418344U (en) | 2017-10-25 | 2017-10-25 | Reverse osmosis purified water system and water purifier |
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| Publication Number | Publication Date |
|---|---|
| CN207418344U true CN207418344U (en) | 2018-05-29 |
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| Country | Link |
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| CN (1) | CN207418344U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107697981A (en) * | 2017-10-25 | 2018-02-16 | 佛山市顺德区美的饮水机制造有限公司 | Reverse osmosis purified water system, control method and water purifier |
-
2017
- 2017-10-25 CN CN201721390270.3U patent/CN207418344U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107697981A (en) * | 2017-10-25 | 2018-02-16 | 佛山市顺德区美的饮水机制造有限公司 | Reverse osmosis purified water system, control method and water purifier |
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