CN105314709B - The control method of water cleaning systems and water cleaning systems - Google Patents
The control method of water cleaning systems and water cleaning systems Download PDFInfo
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- CN105314709B CN105314709B CN201510828386.XA CN201510828386A CN105314709B CN 105314709 B CN105314709 B CN 105314709B CN 201510828386 A CN201510828386 A CN 201510828386A CN 105314709 B CN105314709 B CN 105314709B
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Abstract
The invention discloses the control method of a kind of water cleaning systems and water cleaning systems, the water cleaning systems include：There is water source inlet, pure water outlet and concentration water out, the water source inlet to be connected with booster pump for reverse osmosis membrane and wastewater valve, the reverse osmosis membrane, and the pure water outlet is connected with TDS detection modules；The waste water ratio of reverse osmosis membrane is adjusted in the wastewater valve, the wastewater valve is connected with the concentration water out of the reverse osmosis membrane, and the wastewater valve is communicated with the TDS detection modules, pressure before the film for adjusting the reverse osmosis membrane according to the testing result of TDS detection modules.Water cleaning systems according to the present invention adjust wastewater flow by the way that the wastewater valve of TDS detection modules and adjustable waste water ratio is arranged in water cleaning systems, and according to the testing result of TDS detection modules.The TDS values in pure water of the pure water yield of waste water valve regulation reverse osmosis membrane to adjust reverse osmosis membrane output can be passed through as a result,.
Description
Technical field
The present invention relates to technical field of water purification, more particularly, to the control method of a kind of water cleaning systems and water cleaning systems.
Background technology
In the related technology, the TDS values intake in water cleaning systems influence water outlet TDS values, and (wherein, TDS is English Total
The abbreviation of dissolved solids, Chinese are total dissolved solids, also known as dissolvability solid amount, it shows molten in 1 liter of water
How many milligram soluble solid).Specifically, when water inlet TDS is big, water outlet TDS is big, intakes TDS hours, and water outlet TDS is small, nothing
Method provides a kind of water of constant water quality to the user.And China region is wide, water quality situation is widely different, uses traditional water purification system
System, the good area of water quality, the water that user obtains is purer, the area of water quality inferiority, and the water that user obtains is poor, can not ensure
The drinking-water health of all users.
Invention content
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention exists
In proposing a kind of water cleaning systems, the water quality of pure water is good made from the water cleaning systems and water quality is constant.
It is another object of the present invention to propose a kind of control method of water cleaning systems.
Water cleaning systems according to a first aspect of the present invention, including：Reverse osmosis membrane, the reverse osmosis membrane have water source inlet,
Pure water outlet and concentration water out, the water source inlet are connected with booster pump, and the pure water outlet is connected with TDS detection moulds
Block；The waste water ratio of the reverse osmosis membrane, the concentration of the wastewater valve and the reverse osmosis membrane is adjusted in wastewater valve, the wastewater valve
Water out is connected, and the wastewater valve is communicated with the TDS detection modules, for the testing result tune according to TDS detection modules
Save the waste water ratio of the reverse osmosis membrane.
Water cleaning systems according to the present invention, by the way that TDS detection modules and adjustable waste water ratio are arranged in water cleaning systems
Wastewater valve, and wastewater flow is adjusted according to the testing result of TDS detection modules.Thus, it is possible to pass through the detection of TDS detection modules
As a result it determines the TDS in the pure water of reverse osmosis membrane output, is then adjusted by the pure water yield of waste water valve regulation reverse osmosis membrane
TDS values in the pure water of reverse osmosis membrane output.
In addition, water cleaning systems according to the present invention, can also have following additional technical characteristic：
According to some embodiments of the present invention, the water inlet end of the booster pump is connected with first pre-filter.
Optionally, the first pre-filter is at least one of PP cottons layer and filter screen.
Further, the pure water outlet is connected with high-voltage switch gear, and the pure water entrance is connected with inlet valve, the water inlet
Valve is communicated with the high-voltage switch gear.
Further, water bag, water are connected in turn along water (flow) direction between the pure water outlet and the high-voltage switch gear
Pump and composite filter element.
Optionally, liquid-level switch is equipped in the water bag.
Optionally, the composite filter element includes carbon-point and ultra-filtration element.
According to some embodiments of the present invention, the wastewater valve is the adjustable waste water of pressure before the film of reverse osmosis membrane is adjusted
Compare solenoid valve.
The control method of water cleaning systems according to a second aspect of the present invention, including：If the pure water of the reverse osmosis membrane goes out
The TDS values of the flow of mouthful output are more than preset value and then adjust before wastewater valve increases the film of the reverse osmosis membrane pressure until described anti-
The TDS values of the flow of the pure water outlet output of permeable membrane are less than the preset value.
The control method of water cleaning systems according to a second aspect of the present invention reduces wastewater flow by adjusting wastewater valve.By
This, can be improved pure water yield, to reduce the TDS contents in pure water.
Description of the drawings
Fig. 1 is the schematic diagram of water cleaning systems according to the ... of the embodiment of the present invention；
Fig. 2 is the control schematic diagram of TDS detection modules and wastewater valve shown in Fig. 1；
Fig. 3 is the control flow chart of water cleaning systems shown in Fig. 1.
Reference numeral：
Water cleaning systems 100,
Reverse osmosis membrane 1, water source inlet 101, pure water outlet 102 concentrate water out 103,
Wastewater valve 2, booster pump 3, TDS detection modules 4, first pre-filter 5, high-voltage switch gear 6, inlet valve 7, water bag 8, liquid level is opened
Pass 81, water pump 9, composite filter element 10,
Preset value TDS1.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Water cleaning systems 100 according to the ... of the embodiment of the present invention are described below with reference to Fig. 1-Fig. 3.
As shown in Figure 1, water cleaning systems 100 of embodiment according to a first aspect of the present invention, including：Reverse osmosis membrane 1 and waste water
Valve 2.
Reverse osmosis membrane 1 has water source inlet 101, pure water outlet 102 and concentration water out 103.For example, referring to Fig. 1, water
Source inlet 101 is formed in the left side of reverse osmosis membrane 1, and pure water outlet 102 and concentration water out 103 are both formed in reverse osmosis membrane 1
Right side, and pure water outlet 102 is staggeredly arranged with concentration water out 103.In the example of fig. 1, pure water outlet 102 is located at condensed water
The top of outlet 103.
Water source inlet 101 is connected with booster pump 3, and pure water outlet 102 is connected with TDS detection modules 4, in order to detect reverse osmosis
(Total Dissolved Solids, i.e. total dissolved solid substance refer to total molten in water to TDS in pure water made from permeable membrane 1
The concentration of solution property substance).
The waste water ratio of reverse osmosis membrane 1 is adjusted in wastewater valve 2, that is to say, that can adjust reverse osmosis membrane 1 by wastewater valve 2
The pure water of output and the ratio of waste water, it is consistent additionally, due to water source water supply, it, can if changing the waste water ratio of reverse osmosis membrane 1
To change the pure water yield by reverse osmosis membrane 1.
Wastewater valve 2 is connected with the concentration water out 103 of reverse osmosis membrane 1, and wastewater valve 2 is communicated with TDS detection modules 4, is used
In the waste water ratio for adjusting reverse osmosis membrane 1 according to the testing result of TDS detection modules 4.
Water cleaning systems 100 according to the ... of the embodiment of the present invention, by TDS detection modules 4 being arranged in water cleaning systems 100 and can
The wastewater valve 2 of waste water ratio is adjusted, and wastewater flow is adjusted according to the testing result of TDS detection modules 4.Thus, it is possible to pass through TDS
The testing result of detection module 4 determines the TDS in the pure water that reverse osmosis membrane 1 exports, and then adjusts reverse osmosis membrane by wastewater valve 2
TDS values in pure water of the 1 pure water yield to adjust the output of reverse osmosis membrane 1.
Specifically, when TDS detection modules 4 detect that the TDS values of pure water outlet 102 are excessively high, wastewater valve 2 can be adjusted
Increase the pure water yield of reverse osmosis membrane 1, to realize the purpose for the TDS values for reducing pure water outlet 102.
Preferably, the adjustable waste water ratio electromagnetic valve of pressure before the film of adjustable reverse osmosis membrane may be used in wastewater valve, also
It is to say, the pure water yield of reverse osmosis membrane 1 is adjusted by pressure before the film of adjusting reverse osmosis membrane 1.But not limited to this.
It is as follows by the principle for adjusting the TDS values that pure water yield reduces pure water outlet 102.
With reference to Fig. 2, TDS detection modules 4 and wastewater valve 2 are both connected on main control chip.
According to dissolve-diffusion model, the water yield and salt transit dose of reverse osmosis membrane 1 can be indicated with following diffusion formula：
QW=KW(ΔP-Δπ)A/τ ①
QS=KS×ΔC×A/τ ②
Wherein, QWFor water yield；KWFor the infiltration coefficient of reverse osmosis membrane 1；Δ P is the pressure difference of the both sides of reverse osmosis membrane 1；Δπ
For osmotic pressure；A is the area of reverse osmosis membrane 1；τ is the thickness of reverse osmosis membrane 1；QSFor salt transit dose；KSIt is spread for reverse osmosis membrane 1
Coefficient；Δ C is the concentration difference of 1 both sides of reverse osmosis membrane.
By formula 1. with formula 2. it is found that with inflow increase, the salt rejection rate of reverse osmosis membrane 1 is in rising trend.Wherein, into
Water pressure itself can't influence salt transit dose, but intake pressure increases and reverse osmosis net pressure is driven to increase so that production water
Amount increases, while salt transit dose is almost unchanged, and increased water yield dilutes the salinity of transmission, to reduce water outlet TDS values.
For example, when detecting that the TDS values in the pure water at pure water outlet 102 are more than preset value TDS1, wastewater valve is adjusted
2, wastewater flow is reduced, pressure before film is improved, to reduce the TDS values at pure water outlet 102, until TDS detection modules 4 detect
TDS values at pure water outlet 102 are not more than preset value TDS1.Water quality can be improved as a result, solve the water outlet of different zones water quality
The big problem of TDS differences, to improve the applicability of water cleaning systems 100.
According to some embodiments of the present invention, the water inlet end of booster pump 3 is connected with first pre-filter 5, different in water removal to go
Color, peculiar smell, chlorine residue, naked eyes visible etc..Wherein, first pre-filter 5 can be at least one of PP cottons layer and filter screen.Specifically
For, first pre-filter 5 can be PP cotton layers, or filter screen can also be the combination of PP cottons layer and filter screen composition
Filter part.It can be effectively prevented from the blocking of reverse osmosis membrane 1 as a result, extend the service life of reverse osmosis membrane 1, to reduce water purification system
The cost of system 100.
Further, pure water outlet 102 is connected with high-voltage switch gear 6, and pure water entrance is connected with inlet valve 7, inlet valve 7 and height
Compress switch 6 communications.Specifically, when high-voltage switch gear 6 is opened, inlet valve 7 is opened；When high-voltage switch gear 6 is closed, inlet valve 7
It closes.
Further, water bag 8, water pump 9 are connected in turn along water (flow) direction between pure water outlet 102 and high-voltage switch gear 6
With composite filter element 10.Pure water made from reverse osmosis membrane 1 can be stored in water bag 8 as a result, and will be in water bag 8 by water pump 9
Pure water is delivered to composite filter element 10 and is filtered, to improve the mouthfeel of pure water.Optionally, composite filter element 10 may include carbon-point and
Ultra-filtration element, but not limited to this.
Optionally, liquid-level switch 81 is equipped in water bag 8.For example, in the example of fig. 1, liquid-level switch 81 is located at water bag 8
Inside, and there is certain spacing in the open end of the horizontal plane where liquid-level switch 81 and water bag 8.Thus, it is possible to prevent in water bag 8
Water overflow, improve the reliability of water cleaning systems 100.
Below with reference to the accompanying drawings a specific embodiment according to the present invention is described.
As shown in Figure 1, water cleaning systems 100 according to the ... of the embodiment of the present invention include：First pre-filter 5, inlet valve 7, booster pump
3, reverse osmosis membrane 1, TDS detection modules 4, built-in water bag 8, liquid-level switch 81, small water pump 9, composite filter element 10,6 and of high-voltage switch gear
Adjustable waste water ratio electromagnetic valve.
Reverse osmosis membrane 1 has water source inlet 101, pure water outlet 102 and concentration water out 103.Wherein, water source inlet
101 are formed in the left side of reverse osmosis membrane 1, and pure water outlet 102 and concentration water out 103 are both formed in the right side of reverse osmosis membrane 1, and
Pure water outlet 102 is arranged in the top of concentration water out 103.
Booster pump 3 is connect with water source inlet 101, and TDS detection modules 4 are connect with pure water outlet 102, in order to detect reverse osmosis
TDS values in pure water made from permeable membrane 1.
Adjustable waste water ratio electromagnetic valve is connected with the concentration water out 103 of reverse osmosis membrane 1, and adjustable waste water ratio electromagnetic valve with
TDS detection modules 4 communicate, the waste water ratio for adjusting reverse osmosis membrane 1 according to the testing result of TDS detection modules 4.It is specific and
Speech, TDS detection modules 4 and adjustable waste water ratio electromagnetic valve are both connected on main control chip.
For example, when detecting that the TDS values in the pure water at pure water outlet 102 are more than preset value TDS1, adjust adjustable useless
Water reduces wastewater flow than solenoid valve, improves pressure before film, improves pure water amount, to reduce the TDS values at pure water outlet 102,
Until TDS detection modules 4 detect that the TDS values at pure water outlet 102 are not more than preset value TDS1.Water quality can be improved as a result, solve
The certainly big problem of different zones water quality water outlet TDS differences, to improve the applicability of water cleaning systems 100.
First pre-filter 5 is connected to the water inlet end of booster pump 3, to go heterochromatic, peculiar smell in water removal, chlorine residue, naked eyes visible
Deng.Wherein, first pre-filter 5 can be PP cotton layers.It can be effectively prevented from the blocking of reverse osmosis membrane 1 as a result, extend reverse osmosis membrane 1
Service life, to reduce the cost of water cleaning systems 100.
High-voltage switch gear 6 is connected with pure water outlet 102, and inlet valve 7 is connected with pure water entrance, and inlet valve 7 is logical with high-voltage switch gear 6
News.Water bag 8, water pump 9 and the composite filter element 10 that is made of carbon-point and ultra-filtration element are sequentially connected in series along water (flow) direction in pure water outlet
Between 102 and high-voltage switch gear 6.Pure water made from reverse osmosis membrane 1 can be stored in water bag 8 as a result, and by water pump 9 by water
Pure water in bag 8 is delivered to composite filter element 10 and is filtered, to improve the mouthfeel of pure water.
Liquid-level switch 81 is located at the inside of water bag 8, and the open end of the horizontal plane where liquid-level switch 81 and water bag 8 has one
Fixed spacing.Thus, it is possible to prevent the water in water bag 8 from overflowing, the reliability of water cleaning systems 100 is improved.
As shown in figure 3, the control method of the water cleaning systems 100 of embodiment according to a second aspect of the present invention, including：If anti-
The TDS values for the flow that the pure water outlet 102 of permeable membrane 1 exports are more than the wastewater valve that preset value TDS1 then adjusts adjustable waste water ratio
2, pressure is preset until the TDS values for the flow that the pure water outlet 102 of reverse osmosis membrane 1 exports are less than before increasing the film of reverse osmosis membrane 1
Value TDS1.Pressure before film can be changed by change wastewater flow rate as a result, reduce the TDS contents in pure water, to improve water quality, solution
The certainly big problem of different zones water quality water outlet TDS differences, to improve the applicability of water cleaning systems 100.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (8)
1. a kind of water cleaning systems, which is characterized in that including：
Reverse osmosis membrane, the reverse osmosis membrane have water source inlet, pure water outlet and concentration water out, the water source inlet connection
There are booster pump, the pure water outlet to be connected with TDS detection modules；
The wastewater valve of the waste water ratio of the reverse osmosis membrane, the concentration water out phase of the wastewater valve and the reverse osmosis membrane is adjusted
Even, and the wastewater valve is communicated with the TDS detection modules, described anti-for being adjusted according to the testing result of TDS detection modules
The waste water ratio of permeable membrane, the wastewater valve are the adjustable waste water ratio electromagnetic valve of pressure before the film of reverse osmosis membrane is adjusted；
Wherein, adjustable waste water is adjusted if the TDS values of the flow of the pure water outlet of reverse osmosis membrane output are more than preset value
The TDS values of the flow exported until the pure water outlet of the reverse osmosis membrane than pressure before film that solenoid valve increases the reverse osmosis membrane
Less than the preset value.
2. water cleaning systems according to claim 1, which is characterized in that the water inlet end of the booster pump is connected with pre-filtering
Part.
3. water cleaning systems according to claim 2, which is characterized in that the first pre-filter is in PP cottons layer and filter screen
It is at least one.
4. water cleaning systems according to claim 1, which is characterized in that the pure water outlet is connected with high-voltage switch gear, described
Pure water entrance is connected with inlet valve, and the inlet valve is communicated with the high-voltage switch gear.
5. water cleaning systems according to claim 4, which is characterized in that edge between the pure water outlet and the high-voltage switch gear
Water (flow) direction is connected with water bag, water pump and composite filter element in turn.
6. water cleaning systems according to claim 5, which is characterized in that be equipped with liquid-level switch in the water bag.
7. water cleaning systems according to claim 5, which is characterized in that the composite filter element includes carbon-point and ultra-filtration element.
8. the control method of the water cleaning systems described in a kind of any one of claim 1-7, which is characterized in that the control method
Including：
Adjustable waste water ratio electromagnetism is adjusted if the TDS values for the flow that the pure water outlet of the reverse osmosis membrane exports are more than preset value
Pressure is until the TDS values for the flow that the pure water outlet of the reverse osmosis membrane exports are less than institute before valve increases the film of the reverse osmosis membrane
State preset value.
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| CN201510828386.XA CN105314709B (en) | 2015-11-24 | 2015-11-24 | The control method of water cleaning systems and water cleaning systems |
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| WO2017152377A1 (en) * | 2016-03-09 | 2017-09-14 | 胡秀娟 | Method and system for rinsing water purifier |
| CN105664726A (en) * | 2016-03-09 | 2016-06-15 | 胡秀娟 | Flushing method and system of water purifier |
| CN106422782A (en) * | 2016-07-08 | 2017-02-22 | 苏州科尔净净化科技有限公司 | Efficient roll type filter element |
| CN106186394B (en) * | 2016-07-21 | 2023-10-31 | 佛山市美的清湖净水设备有限公司 | Reverse osmosis system, control method thereof and water purifying and drinking machine with reverse osmosis system |
| CN106745521A (en) * | 2016-12-21 | 2017-05-31 | 青岛海尔施特劳斯水设备有限公司 | The reverse osmosis purified water system and its adjusting method of a kind of adjustable waste water ratio |
| CN109095560A (en) * | 2017-06-20 | 2018-12-28 | 佛山市顺德区美的饮水机制造有限公司 | Water purification system and its control method, computer readable storage medium |
| CN108479402A (en) * | 2018-04-09 | 2018-09-04 | 深圳弗尔斯特环境健康技术有限公司 | A kind of intelligent self-adaptive length filter effect reverse osmosis purified water system |
| KR20210051018A (en) * | 2019-10-29 | 2021-05-10 | 코웨이 주식회사 | Water purifier |
| CN114380357A (en) * | 2020-10-16 | 2022-04-22 | 云米互联科技(广东)有限公司 | Water purification system and method convenient for TDS regulation and control and water purification equipment |
| WO2023116192A1 (en) * | 2021-12-22 | 2023-06-29 | Kunshan Eco Water Systems Company Limited | A reverse osmosis system having an adjustable flow restrictor for in-situ adjustment of concentrate water to a drain, and method of performing the same |
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