CN109277000A - Water purifier control method, system and water purifier - Google Patents
Water purifier control method, system and water purifier Download PDFInfo
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- CN109277000A CN109277000A CN201710597941.1A CN201710597941A CN109277000A CN 109277000 A CN109277000 A CN 109277000A CN 201710597941 A CN201710597941 A CN 201710597941A CN 109277000 A CN109277000 A CN 109277000A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/12—Controlling or regulating
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
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- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Nanotechnology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of water purifier control method, system and water purifiers, wherein the water purifier control method obtains the pressure value at tap the following steps are included: when water purifier is in standby；When pressure value is less than preset pressure value, the TDS value at reverse osmosis membrane filtration device pure water end is obtained；Judge whether TDS value is greater than the first default TDS value；If so, circulation pattern in starting, so that the pure water at reverse osmosis membrane filtration device pure water end is back to water pump front end, the water inlet end that pure water flows into reverse osmosis membrane filtration device with pretreated tap water after water pump pressurizes is filtered；If it is not, then starting normal aqueous mode processed, so that pure water is flowed out from tap.Water purifier control method, system and water purifier proposed by the present invention monitor pure water quality in real time by the way that the TDS detection device at RO film filter pure water end is arranged in, being drunk again for user after exceeded water circulating filter when overproof water quality, it is ensured that the water that user gets from tap is all healthy water.
Description
Technical field
The present invention relates to water purification field more particularly to a kind of water purifier control methods, system and water purifier.
Background technique
The existing water purifier for using reverse osmosis (RO) membrane system controlling water on the market, principle are substantially as follows: when water processed, originally
Water enters RO membranous system by pretreated water after water pump pressurizes, and concentrated water (i.e. waste water) discharge that RO membranous system comes out is pure
Water flows out from tap, with for users to use.
But according to the diffusion principle of RO film, when the water purifier time out of service is longer, between two diaphragm of RO film
Concentration can neutralize, until reach balance, cause the solid content (TDS) of first glass of water of water purifier dissolution higher, user
When water withdrawal is little, fetching the water drunk ninety-nine times out of a hundred all is the exceeded water of TDS value, is unfavorable for the health of user.
Summary of the invention
The main purpose of the present invention is to provide a kind of water purifier control method, system and water purifiers, it is intended to solve water purification
The higher technical problem of TDS value of first glass of water of device.
To achieve the above object, water purifier control method provided by the invention the following steps are included:
When the water purifier is in standby, the pressure value at tap is obtained；
When the pressure value is less than preset pressure value, the TDS value at reverse osmosis membrane filtration device pure water end is obtained；
Judge whether the TDS value is greater than the first default TDS value；
If so, circulation pattern in starting, so that the pure water at the reverse osmosis membrane filtration device pure water end is back to water pump
Front end, pure water and pretreated tap water flowed into after the water pump pressurization water inlet end of the reverse osmosis membrane filtration device into
Row filtering；
If it is not, then starting normal aqueous mode processed, so that pure water is flowed out from tap.
Preferably, in the starting the step of circulation pattern further include:
Obtain the flow value at the reverse osmosis membrane filtration device pure water end；
According to the parameter preset of the flow value, the TDS value and the reverse osmosis membrane filtration device, water process is calculated
Time simultaneously sends display signal to display device.
Preferably, in the starting the step of circulation pattern further include:
When the TDS value reaches the second default TDS value, standby signal is sent to boom unit or indicator light, wherein institute
The second default TDS value is stated more than or equal to the described first default TDS value.
To achieve the above object, the present invention also provides a kind of water purifier control systems, comprising:
Pressure value obtains module, for obtaining the pressure value at tap when the water purifier is in standby；
TDS value obtains module, for it is pure to obtain reverse osmosis membrane filtration device when the pressure value is less than preset pressure value
The TDS value of water end (W.E.)；
Control module, for judging whether the TDS value is greater than the first default TDS value；
If so, circulation pattern in starting, so that the pure water at the reverse osmosis membrane filtration device pure water end is back to water pump
Front end, pure water and pretreated tap water flowed into after the water pump pressurization water inlet end of the reverse osmosis membrane filtration device into
Row filtering；
If it is not, then starting normal aqueous mode processed, so that pure water is flowed out from tap.
Preferably, the control module includes:
Flow value acquiring unit, for obtaining the flow value at the reverse osmosis membrane filtration device pure water end；
Treatment time of water unit, for according to the flow value, the TDS value and the reverse osmosis membrane filtration device
Parameter preset calculates treatment time of water and sends display signal to display device.
Preferably, the control module is also used to when the TDS value reaches the second default TDS value, to boom unit or
Indicator light sends standby signal, wherein the second default TDS value is greater than or equal to the described first default TDS value.
To achieve the above object, the present invention also provides a kind of water purifiers, comprising:
By the sequentially connected inlet water solenoid valve of main flow line, water pump, reverse osmosis membrane filtration device, TDS detection device, go out
Water solenoid valve and high-voltage switch gear；
The reverse osmosis membrane filtration device includes water inlet end, pure water end and waste water end, and the water inlet end and the water pump connect
It connects, the pure water end is connect with the TDS detection device, and the waste water end is connected to discharge of wastewater mouth through discharge of wastewater pipeline；
Branch line is drawn between the TDS detection device and the water outlet solenoid valve to be connected with the water intake end of the water pump
It connects, return flow solenoid valve is provided on the branch line is back in the water inlet end with to control the pure water at the pure water end and carry out
Filtering；
One end of the high-voltage switch gear is connect with the water outlet solenoid valve, and the other end with tap for connecting.
Preferably, the pure water end is provided with flowmeter.
Preferably, the wastewater discharge pipe road is provided with throttle valve.
Preferably, the wastewater discharge pipe road is additionally provided with the flushing valve being in parallel with the throttle valve.
Pressure in technical solution proposed by the present invention, when water purifier is in standby, first at acquisition tap
Value, so that it is determined that whether user opens tap.When user opens tap, the TDS at RO film filter pure water end is obtained
Value illustrates that the TDS value of pure water at this time is exceeded if the TDS value is greater than the first default TDS value, and pure water is introduced the filtering of RO film
The water inlet end of device carries out circulating filtration, until when TDS value is not more than the first default TDS value, pure water from tap outflow for
User uses.The present invention monitors pure water quality, water in real time by the way that the TDS detection device at RO film filter pure water end is arranged in
Being drunk again for user after exceeded water circulating filter when matter is exceeded, it is ensured that the water that user gets from tap is all healthy water.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the flow diagram of one embodiment of water purifier control method of the present invention；
Fig. 2 is the functional block diagram of one embodiment of water purifier control system of the present invention；
Fig. 3 is the structural schematic diagram of one embodiment of water purifier of the present invention；
Fig. 4 is the water (flow) direction schematic diagram of the interior circulation pattern of the water purifier of Fig. 3；
Fig. 5 is the water (flow) direction schematic diagram of the normal aqueous mode processed of the water purifier of Fig. 3.
Drawing reference numeral explanation:
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as
Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In the description of the present invention, " multiple " contain
Justice is at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. shall be understood in a broad sense,
For example, " fixation " may be a fixed connection, it may be a detachable connection, or integral；It can be mechanical connection, be also possible to
Electrical connection；It can be directly connected, the connection inside two elements or two can also be can be indirectly connected through an intermediary
The interaction relationship of a element, unless otherwise restricted clearly.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
It in addition, the technical solution between each embodiment of the present invention can be combined with each other, but must be general with this field
Based on logical technical staff can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve this
The combination of technical solution is not present, also not the present invention claims protection scope within.
The present invention proposes a kind of water purifier control method.
Fig. 1 and Fig. 3 are please referred to, Fig. 1 is the water purifier control method that one embodiment of the invention proposes, Fig. 3 is the present invention one
The structural schematic diagram for the water purifier that embodiment proposes, the water purifier of Fig. 3 can be used for realizing the water purifier control method of Fig. 1.At this
In embodiment, which includes:
Step S100 obtains the pressure value at tap 7 when the water purifier is in standby.
Specifically, it is provided with high-voltage switch gear 6 at neighbouring tap 7, when tap 7 is in open and close two states,
Correspondence is detected different pressure values by high-voltage switch gear 6.
Step S200 obtains 3 pure water end of reverse osmosis membrane filtration device when the pressure value is less than preset pressure value
TDS value.
Specifically, when pressure value is less than preset pressure value, illustrates that user opens tap 7, need with water, at this point, logical
Cross be arranged in 3 pure water end of reverse osmosis membrane filtration device TDS detection device 4 detect pure water TDS value, according to the TDS value whether
Control whether tap 7 is discharged in the range of healthy water.
Step S300, judges whether the TDS value is greater than the first default TDS value；
If so, thening follow the steps S400, start interior circulation pattern, so that 3 pure water end of the reverse osmosis membrane filtration device
Pure water is back to 2 front end of water pump, pure water and pretreated tap water and flows into the reverse osmosis membrane mistake after the water pump 2 pressurization
The water inlet end of filter device 3 is filtered；
If it is not, thening follow the steps S500, start normal aqueous mode processed, so that pure water is flowed out from tap 7.
Specifically, when TDS value be greater than the first default TDS value, illustrate the quality dissatisfaction of pure water, pure water passed through into branched pipe
Road 8 is back to the front end of water pump 2, enters reverse osmosis membrane filtration device from water inlet end after pressurizeing together with pretreated tap water
3 are filtered, until TDS value is not more than the first default TDS value, interior circulation pattern stops.It is appreciated that it is pretreated originally
Water is generally municipal tap water by active carbon filter core and the filtered water of PP cotton filter element.
When TDS value is not more than the first default TDS value, illustrate the requisite quality of pure water, pretreated tap water pressurization
Enter reverse osmosis membrane filtration device 3 afterwards to be filtered, pure water is flowed out from tap 7, for users to use.
Pressure in technical solution proposed by the present invention, when water purifier is in standby, first at acquisition tap 7
Value, so that it is determined that whether user opens tap 7.When user opens tap 7, RO film filter pure water end is obtained
TDS value illustrates that the TDS value of pure water at this time is exceeded if the TDS value is greater than the first default TDS value, and pure water is introduced RO film mistake
Filter device water inlet end carry out circulating filtration, until TDS value be not more than the first default TDS value when, pure water from tap 7 outflow with
For users to use.The present invention monitors pure water matter in real time by the way that the TDS detection device 4 at RO film filter pure water end is arranged in
Amount, being drunk again for user after exceeded water circulating filter when overproof water quality, it is ensured that the water that user gets from tap 7 is all healthy
Water.
Further, in one embodiment, the step S400 starts interior circulation pattern, so that the reverse osmosis membrane mistake
The pure water at filter 3 pure water end of device, which is back to be filtered in the water inlet end of the reverse osmosis membrane filtration device 3, includes:
Step S410 obtains the flow value at the 3 pure water end of reverse osmosis membrane filtration device；
Step S411, according to the parameter preset of the flow value, the TDS value and the reverse osmosis membrane filtration device 3,
It calculates treatment time of water and sends display signal to display device.
When water purifier long-time not running, the TDS value of the pure water stored in RO film filter is gradually risen, Zhi Daojie
It is bordering on the TDS value at waste water end, in the present invention, in order to avoid user drinks the exceeded pure water of TDS value, which can be drawn
Enter RO film filter and carry out circulating filtration, until the TDS value of pure water is up to standard.So when user needs with water, if
The TDS value of pure water is not up to standard, and tap 7 is not discharged, until the TDS value of pure water is up to standard, tap 7 can be just discharged, at this point, user
The time that tap 7 is discharged is not known, if the waiting time is too long, it will cause poor usage experience.
By the way that flowmeter is arranged at 3 pure water end of reverse osmosis membrane filtration device, available pure water is back to reverse osmosis membrane mistake
The flow value for filtering 3 water inlet end of device, according to the parameter preset of TDS value, flow value and reverse osmosis membrane filtration device 3, Ke Yiji
The time required for treatment time of water namely water quality reaching standard is calculated, the aobvious control of water purifier can be shown in a manner of countdown
On panel, to prompt the time of waiting required for user.It should be noted that the parameter preset one of reverse osmosis membrane filtration device 3
As include strainability, the solid content which is filtered for the water that handles unit volume in the unit time, Ke Yili
The water quality of solution, the strainability and handled water has biggish relationship.
In the present embodiment, by the way that treatment time of water is calculated and be shown, the duration that user can be prompted to be needed to wait for is convenient
The timely water receiving of user uses.
Further, in another embodiment, the step S400 starts interior circulation pattern, so that the reverse osmosis membrane
The pure water at 3 pure water end of filter device is back to be filtered in the water inlet end of the reverse osmosis membrane filtration device 3
Step S420 sends prompt letter to boom unit or indicator light when the TDS value reaches the second default TDS value
Number, wherein the second default TDS value is greater than or equal to the described first default TDS value.
When entering the operation of interior circulation pattern or normal aqueous mode processed as triggering water purifier using the opening and closing of tap 7,
If water purifier is to enter back into normal aqueous mode processed after interior circulation pattern, tap 7 can be in a period of time after opening
It is directly discharged, if user is not by water purifier, it is likely that cause water container spilling water.Therefore when TDS value i.e. will be up to standard or reached
When mark, by whistle, the indicator light is always on or the modes such as flashing remind user's tap 7 that will or be discharged, and avoids finding
Spilling water phenomenon.
The present invention also provides a kind of water purifier control system, Fig. 2 is that the water purifier that one embodiment of the invention proposes controls system
System, referring to figure 2. and Fig. 3, in one embodiment, which includes:
Pressure value obtains module 100, for obtaining the pressure at tap 7 when the water purifier is in standby
Value.
Specifically, it is provided with high-voltage switch gear 6 at neighbouring tap 7, when tap 7 is in open and close two states,
Correspondence is detected different pressure values by high-voltage switch gear 6.
TDS value obtains module 200, for obtaining reverse osmosis membrane filtration dress when the pressure value is less than preset pressure value
Set the TDS value at 3 pure water ends.
Specifically, when pressure value is less than preset pressure value, illustrates that user opens tap 7, need with water, at this point, logical
Cross be arranged in 3 pure water end of reverse osmosis membrane filtration device TDS detection device 4 detect pure water TDS value, according to the TDS value whether
Control whether tap 7 is discharged in the range of healthy water.
Control module 300, for judging whether the TDS value is greater than the first default TDS value；
If so, circulation pattern in starting, so that the pure water at 3 pure water end of the reverse osmosis membrane filtration device is back to water pump
2 front ends, pure water and pretreated tap water flow into the water inlet of the reverse osmosis membrane filtration device 3 after the water pump 2 pressurization
End is filtered；
If it is not, then starting normal aqueous mode processed, so that pure water is flowed out from tap 7.
Specifically, when TDS value be greater than the first default TDS value, illustrate the quality dissatisfaction of pure water, pure water passed through into branched pipe
Road 8 is back to the front end of water pump 2, enters reverse osmosis membrane filtration device from water inlet end after pressurizeing together with pretreated tap water
3 are filtered, until TDS value is not more than the first default TDS value, interior circulation pattern stops.It is appreciated that it is pretreated originally
Water is generally municipal tap water by active carbon filter core and the filtered water of PP cotton filter element.
When TDS value is not more than the first default TDS value, illustrate the requisite quality of pure water, pretreated tap water pressurization
Enter reverse osmosis membrane filtration device 3 afterwards to be filtered, pure water is flowed out from tap 7, for users to use.
Pressure in technical solution proposed by the present invention, when water purifier is in standby, first at acquisition tap 7
Value, so that it is determined that whether user opens tap 7.When user opens tap 7, RO film filter pure water end is obtained
TDS value illustrates that the TDS value of pure water at this time is exceeded if the TDS value is greater than the first default TDS value, and pure water is introduced RO film mistake
Filter device water inlet end carry out circulating filtration, until TDS value be not more than the first default TDS value when, pure water from tap 7 outflow with
For users to use.The present invention monitors pure water matter in real time by the way that the TDS detection device 4 at RO film filter pure water end is arranged in
Amount, being drunk again for user after exceeded water circulating filter when overproof water quality, it is ensured that the water that user gets from tap 7 is all healthy
Water.
Further, in one embodiment, the control module 300 includes:
Flow value acquiring unit 410, for obtaining the flow value at the 3 pure water end of reverse osmosis membrane filtration device；
Treatment time of water unit 411, for being filled according to the flow value, the TDS value and the reverse osmosis membrane filtration
3 parameter preset is set, treatment time of water is calculated and sends display signal to display device.
When water purifier long-time not running, the TDS value of the pure water stored in RO film filter is gradually risen, Zhi Daojie
It is bordering on the TDS value at waste water end, in the present invention, in order to avoid user drinks the exceeded pure water of TDS value, which can be drawn
Enter RO film filter and carry out circulating filtration, until the TDS value of pure water is up to standard.So when user needs with water, if
The TDS value of pure water is not up to standard, and tap 7 is not discharged, until the TDS value of pure water is up to standard, tap 7 can be just discharged, at this point, user
The time that tap 7 is discharged is not known, if the waiting time is too long, it will cause poor usage experience.
By the way that flowmeter is arranged at 3 pure water end of reverse osmosis membrane filtration device, available pure water is back to reverse osmosis membrane mistake
The flow value for filtering 3 water inlet end of device, according to the parameter preset of TDS value, flow value and reverse osmosis membrane filtration device 3, Ke Yiji
The time required for treatment time of water namely water quality reaching standard is calculated, the aobvious control of water purifier can be shown in a manner of countdown
On panel, to prompt the time of waiting required for user.It should be noted that the parameter preset one of reverse osmosis membrane filtration device 3
As include strainability, the solid content which is filtered for the water that handles unit volume in the unit time, Ke Yili
The water quality of solution, the strainability and handled water has biggish relationship.
In the present embodiment, by the way that treatment time of water is calculated and be shown, the duration that user can be prompted to be needed to wait for is convenient
The timely water receiving of user uses.
In another embodiment, the control module 300 is also used to when the TDS value reaches the second default TDS value,
Standby signal is sent to boom unit or indicator light, wherein it is default that the second default TDS value is greater than or equal to described first
TDS value.
When entering the operation of interior circulation pattern or normal aqueous mode processed as triggering water purifier using the opening and closing of tap 7,
If water purifier is to enter back into normal aqueous mode processed after interior circulation pattern, tap 7 can be in a period of time after opening
It is directly discharged, if user is not by water purifier, it is likely that cause water container spilling water.Therefore when TDS value i.e. will be up to standard or reached
When mark, by whistle, the indicator light is always on or the modes such as flashing remind user's tap 7 that will or be discharged, and avoids finding
Spilling water phenomenon.
The present invention also provides a kind of water purifiers, as shown in figure 3, in one embodiment, which includes:
Pass through the sequentially connected inlet water solenoid valve 1 of main flow line, water pump 2, reverse osmosis membrane filtration device 3, TDS detection device
4, water outlet solenoid valve 5 and high-voltage switch gear 6；
The reverse osmosis membrane filtration device 3 includes water inlet end, pure water end and waste water end, the water inlet end and the water pump 2
Connection, the pure water end are connect with the TDS detection device 4, and the waste water end is connected to discharge of wastewater through discharge of wastewater pipeline 9
Mouthful；
The water intake end of branch line 8 and the water pump 2 is drawn between the TDS detection device 4 and the water outlet solenoid valve 5
It is connected, return flow solenoid valve 81 is provided on the branch line 8 with the pure water for controlling the pure water end and is back to the water inlet
It is filtered in end；
One end of the high-voltage switch gear 6 is connect with the water outlet solenoid valve 5, and the other end with tap 7 for connecting.
In Fig. 3 into Fig. 5, water inlet end, pure water end and waste water end are respectively with a, b and c label.
In technical solution proposed by the present invention, when user opens tap 7, high-voltage switch gear 6 is detected at tap 7
Pressure value is lower than preset pressure value, at this point, water purifier is detected according to the TDS detection device 4 at 3 pure water end of reverse osmosis membrane filtration device
To TDS value determine the next operational mode of water purifier.When TDS value is not higher than the first default TDS value, water purifier enters
Normal aqueous mode processed: inlet water solenoid valve 1 is opened, and the starting operation of water pump 2, return flow solenoid valve 81 is closed, and water outlet solenoid valve 5 is opened,
Pure water is flowed out from tap 7, and waste water is discharged through discharge of wastewater pipeline 9, the flow direction of water arrow as shown in Figure 4 in this mode
Direction；When TDS value is higher than the first default TDS value, water purifier enters interior circulation pattern: inlet water solenoid valve 1 is opened, and water pump 2 opens
Dynamic operation, return flow solenoid valve 81 are opened, and water outlet solenoid valve 5 is closed, and pure water is back to 2 front end of water pump through return flow solenoid valve 81, then
It is filtered into reverse osmosis membrane filtration device 3, waste water is discharged through discharge of wastewater pipeline 9, and the flow direction of water is such as in this mode
Arrow direction shown in fig. 5.The present invention is monitored in real time by the way that the TDS detection device 4 at RO film filter pure water end is arranged in
Pure water quality, being drunk again for user after exceeded water circulating filter when overproof water quality, it is ensured that the water that user gets from tap 7 is all
It is healthy water.
In a preferred embodiment of the invention, the pure water end is provided with flowmeter.
When water purifier long-time not running, the TDS value of the pure water stored in RO film filter is gradually risen, Zhi Daojie
It is bordering on the TDS value at waste water end, in the present invention, in order to avoid user drinks the exceeded pure water of TDS value, which can be drawn
Enter RO film filter and carry out circulating filtration, until the TDS value of pure water is up to standard.So when user needs with water, if
The TDS value of pure water is not up to standard, and tap 7 is not discharged, until the TDS value of pure water is up to standard, tap 7 can be just discharged, at this point, user
The time that tap 7 is discharged is not known, if the waiting time is too long, it will cause poor usage experience.
By the way that flowmeter is arranged at 3 pure water end of reverse osmosis membrane filtration device, available pure water is back to reverse osmosis membrane mistake
The flow value for filtering 3 water inlet end of device, according to the parameter preset of TDS value, flow value and reverse osmosis membrane filtration device 3, Ke Yiji
The time required for treatment time of water namely water quality reaching standard is calculated, the aobvious control of water purifier can be shown in a manner of countdown
On panel, to prompt the time of waiting required for user.It should be noted that the parameter preset one of reverse osmosis membrane filtration device 3
As include strainability, the solid content which is filtered for the water that handles unit volume in the unit time, Ke Yili
The water quality of solution, the strainability and handled water has biggish relationship.
In the present embodiment, by the way that treatment time of water is calculated and be shown, the duration that user can be prompted to be needed to wait for is convenient
The timely water receiving of user uses.
It is preferably regional in tap water quality, in order to save water resource, throttle valve is provided on discharge of wastewater pipeline 9
91, to limit the discharge amount of waste water.
Further, the flushing valve being in parallel with the throttle valve 91 is additionally provided on the discharge of wastewater pipeline 9.Setting
The flushing that big yield is carried out to RO film may be implemented in flushing valve.When flushing, inlet water solenoid valve 1 is opened, the starting operation of water pump 2, punching
Valve opening is washed, and return flow solenoid valve 81 and water outlet solenoid valve 5 are closed, tap water is first after pretreatment, then pressurizes and enter through water pump 2
Reverse osmosis membrane filtration device 3 is rinsed RO film, and the water after flushing flows into discharge of wastewater pipeline 9 through waste water end, through flushing valve
After water purifier is discharged.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the design of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/it is used in it indirectly
He is included in scope of patent protection of the invention relevant technical field.
Claims (10)
1. a kind of water purifier control method, which comprises the following steps:
When the water purifier is in standby, the pressure value at tap is obtained；
When the pressure value is less than preset pressure value, the TDS value at reverse osmosis membrane filtration device pure water end is obtained；
Judge whether the TDS value is greater than the first default TDS value；
If so, circulation pattern in starting, so that the pure water at the reverse osmosis membrane filtration device pure water end is back to water pump front end,
The water inlet end that pure water and pretreated tap water flow into the reverse osmosis membrane filtration device after water pump pressurization carried out
Filter；
If it is not, then starting normal aqueous mode processed, so that pure water is flowed out from tap.
2. water purifier control method as described in claim 1, which is characterized in that the step of circulation pattern also wraps in the starting
It includes:
Obtain the flow value at the reverse osmosis membrane filtration device pure water end；
According to the parameter preset of the flow value, the TDS value and the reverse osmosis membrane filtration device, treatment time of water is calculated
And display signal is sent to display device.
3. water purifier control method as claimed in claim 1 or 2, which is characterized in that in the starting the step of circulation pattern
Further include:
When the TDS value reaches the second default TDS value, standby signal is sent to boom unit or indicator light, wherein described the
Two default TDS values are greater than or equal to the described first default TDS value.
4. a kind of water purifier control system characterized by comprising
Pressure value obtains module, for obtaining the pressure value at tap when the water purifier is in standby；
TDS value obtains module, for obtaining reverse osmosis membrane filtration device pure water end when the pressure value is less than preset pressure value
TDS value；
Control module, for judging whether the TDS value is greater than the first default TDS value；
If so, circulation pattern in starting, so that the pure water at the reverse osmosis membrane filtration device pure water end is back to water pump front end,
The water inlet end that pure water and pretreated tap water flow into the reverse osmosis membrane filtration device after water pump pressurization carried out
Filter；
If it is not, then starting normal aqueous mode processed, so that pure water is flowed out from tap.
5. water purifier control system as claimed in claim 4, which is characterized in that the control module includes:
Flow value acquiring unit, for obtaining the flow value at the reverse osmosis membrane filtration device pure water end；
Treatment time of water unit, for according to the default of the flow value, the TDS value and the reverse osmosis membrane filtration device
Parameter calculates treatment time of water and sends display signal to display device.
6. water purifier control system as claimed in claim 5, which is characterized in that the control module is also used to as the TDS
When value reaches the second default TDS value, standby signal is sent to boom unit or indicator light, wherein the second default TDS value is big
In or equal to the described first default TDS value.
7. a kind of water purifier characterized by comprising
By the sequentially connected inlet water solenoid valve of main flow line, water pump, reverse osmosis membrane filtration device, TDS detection device, go out water power
Magnet valve and high-voltage switch gear；
The reverse osmosis membrane filtration device includes water inlet end, pure water end and waste water end, and the water inlet end is connect with the water pump, institute
It states pure water end to connect with the TDS detection device, the waste water end is connected to discharge of wastewater mouth through discharge of wastewater pipeline；
Branch line is drawn between the TDS detection device and the water outlet solenoid valve to be connected with the water intake end of the water pump,
It it is provided with return flow solenoid valve on the branch line is back in the water inlet end with to control the pure water at the pure water end and carried out
Filter；
One end of the high-voltage switch gear is connect with the water outlet solenoid valve, and the other end with tap for connecting.
8. water purifier as claimed in claim 7, which is characterized in that the pure water end is provided with flowmeter.
9. water purifier as claimed in claim 7 or 8, which is characterized in that the wastewater discharge pipe road is provided with throttle valve.
10. water purifier as claimed in claim 9, which is characterized in that the wastewater discharge pipe road is additionally provided with and the section
The flushing valve that stream valve is in parallel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710597941.1A CN109277000A (en) | 2017-07-20 | 2017-07-20 | Water purifier control method, system and water purifier |
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| CN114573179A (en) * | 2022-03-09 | 2022-06-03 | 杭州老板电器股份有限公司 | Water purification system, water purification device and control method of water purification system |
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