CN106527311B - A kind of raw water control system and its control method based on Drinking fountain - Google Patents
A kind of raw water control system and its control method based on Drinking fountain Download PDFInfo
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- CN106527311B CN106527311B CN201610997218.8A CN201610997218A CN106527311B CN 106527311 B CN106527311 B CN 106527311B CN 201610997218 A CN201610997218 A CN 201610997218A CN 106527311 B CN106527311 B CN 106527311B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/048—Monitoring; Safety
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- 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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
- C02F2103/04—Non-contaminated water, e.g. for industrial water supply for obtaining ultra-pure water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/007—Modular design
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Abstract
The invention discloses a kind of raw water control system and its control method based on Drinking fountain, it is simple to solve raw water quality detection mode, the problem of easily judging by accident, its key points of the technical solution are that, if water quality data S1 is more than P times of memorized reference value V, then control module control TDS detection modules carry out several demi continuity detections to obtain water quality data S2 and store to registration module, control module is called the water quality data S2 in registration module and is compared several water quality data S2 with memorized reference value V successively, if water quality data S2 is all higher than P times of memorized reference value V, then the control module control alarm module starts to enter alarm mode；Conversely, into mould-fixed is waited for；It by above-mentioned setting, can ensure more reasonably to detect the water quality in raw water box, ensure user in use, standard compliant drinking water can be obtained, if raw water quality goes wrong, user can be reminded by alarming, be safeguarded convenient for user.
Description
Technical field
The present invention relates to Drinking fountain, more particularly to a kind of raw water control system and its control method based on Drinking fountain.
Background technology
Drinking fountain be it is a kind of having the function of that by municipal tap water purified treatment be direct drinking water, and have simultaneously by
The utensil that water after purified treatment is heated, freezed and is distributed by the method for consuming electric energy.
Notification number is a kind of water saving water purifier disclosed in CN104310613B, mainly by being connected by pipeline
Filter core, reverse osmosis membrane filter element, further include data acquisition and intelligent analysis system, and raw water tubes road is equipped with raw water TDS detection sensings
Device, is connected with water tank on the water pipeline of reverse osmosis membrane filter element, and water tank or water pipeline are equipped with water temperature sensor and pure
Water TDS detection sensors；The waste line of reverse osmosis filter core is connected with the waste water proportioner of adjustable discharge of wastewater flow.By right
Raw water quality, pure water water quality and pure water water temperature are tested, are analyzed, and then obtain water-saving and water purification optimum state again, are used
Family shows adjusting waste water proportioner voluntarily according to data, so that drinking water quality reaches best.
Notification number be CN105198111B disclosed in automatic cleaning filter membranes household water filter and method, mainly by into
Penstock, ultrafiltration membrane, the first TDS sensors, high-pressure pump, reverse osmosis membrane, proportioning valve, post active carbon, the 2nd TDS sensors,
Pressure vessel, ultrafiltration membrane late gate, reverse osmosis membrane late gate, check-valves before tank, flowing water Valve, by-pass valve, flushing valve,
One, to third waste water valve, detects the detection part of the transmembrane pressure of ultrafiltration membrane, and controls the control of household water filter work
Device.Control device is in cleaning model or water mould processed according to transmembrane pressure and the ratio of threshold pressure differential to control household water filter
Formula.When transmembrane pressure is more than threshold pressure differential, control device makes the automatic cleaning filter membranes of household water filter.
Drinking fountain is needed municipal tap water purified treatment due to itself at the drinking water that can directly drink, in water processed
In the process, it in order to avoid the waste of water resource, then can will be re-transmitted to by the waste water of filter element filtering in raw water box and external
Tap water mixing, water processed is carried out again, so have very high requirement for the control of the water quality of raw water, if the water quality of raw water surpasses
Go out certain index, then can not prepare the drinking water that can directly drink, and two kinds of above-mentioned purifiers all have and pass through
The method that TDS sensors are detected water quality, but since its detection method is too simple, only the water quality of raw water is carried out
It is suitable directly to carry out judging whether after detection, and without the process of any analysis, cause whole detection not accurate enough, is susceptible to mistake
The case where judgement, so Drinking fountain used at present has certain room for improvement.
Invention content
The first object of the present invention is to provide a kind of raw water control system based on Drinking fountain, can to the water quality of raw water into
The analysis that row more rationalizes.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of raw water control system based on Drinking fountain, including discontinuity detection several times is carried out to raw water quality and by institute
The TDS detection modules that the water quality data S1 detected is exported successively further include being coupled to TDS detection modules to receive water quality
Data S1 and TDS detection modules are controlled control module, be coupled to what control module was exported to receive control module
Water quality data S1 and by registration module that water quality data S1 is stored, be preset with memorized reference value V and be coupled to control module
To receive called water quality data S1 and by the water quality data S1 called compared with memorized reference value V is compared to each other and is exported
Signal to control module comparison module and be coupled to control module and according to comparison signal to realize the alarm module of alarm；
The control module is called any one water quality data S1 in registration module and by water quality data S1
It is compared with memorized reference value V, if water quality data S1 is more than P times of memorized reference value V, control module controls TDS detections
Module carries out the detection of M demi continuities to obtain water quality data S2 and store to registration module, and the control module is to registration module
In water quality data S2 be called and be compared M water quality data S2 with memorized reference value V successively, if water quality data
S2 is all higher than P times of memorized reference value V, then the control module control alarm module starts to enter alarm mode；Conversely, into
Enter to wait for mould-fixed.
Using the above scheme, TDS detection modules are constantly detected raw water quality, are more than if there is water quality data S1
At P times of memorized reference value V, i.e., TDS values and the relationship of tap water are in be more than 1200mg/L in the case of, under the state
Water quality it is unsuitable directly drunk using after filter core, but can be direct to judge only according to one-time detection result
It drinks, is susceptible to error detection, so after M times discontinuity detection, join once water quality data S1 occur and being more than memory
Examine value V P times then carries out successional detection, if there is all water quality datas by TDS detection modules to raw water quality
S2 is all higher than P times of memorized reference value V, then illustrates that water quality at this time is thoroughly not suitable for drinking, and by alarming, masterplate carries out
Alarm reduces waste strength, if the water quality data S2 of only part is big to remind user to need to clean raw water box
In P times of memorized reference value V, then enters and wait for mould-fixed, by implementing monitoring to raw water quality and analysis, to ensure to use
Person can be standard compliant by the water that Drinking fountain can be drunk, and improve the safety of user's drinking-water.
Preferably, the TDS detection modules carry out continuous detection several times to the water quality of tap water, it will be detected
Water quality data Q is transmitted to control module and stores water quality data Q to registration module, and the control module controls several water quality
Data Q is compared to each other, and it is memorized reference value V to define the maximum water quality data Q of numerical value.
Using the above scheme, the water quality of tap water is directly detected, and is measured repeatedly to take maximum value therein
To be defined as memorized reference value V, the direct detection of tap water is wanted with the water quality for adapting to each area by TDS detection modules
Ask the case where differing so that the use scope of Drinking fountain will not be influenced by regional environment, improve practicability, this process is straight
Drink machine is detected definition in the state of starting for the first time, can ensure, in the case where other no waste water influence, to define
One benchmark, improves the accuracy of detection, occurs to avoid occurring the case where error detection in the detection process in later stage, improves detection
Reliability, allow the progress that subsequent detection can be orderly.
Preferably, further including the booster water pump for being connected to raw water box and filter core, at interval of the work of booster water pump
Duration T1, the control module control TDS detection modules to raw water quality to carry out discontinuity detection.
Using the above scheme, the booster water pump work i.e. state in water processed, booster water pump will be in corresponding raw water box
Raw water is pressed into various filter cores to be filtered, by reverse osmosis membrane, to separate waste water and water, waste water is recirculated
Using being transferred to raw water box, and pure water is then entered in clear water tanks and is stored, so at the end of booster water pump work, is then said
Bright primary water processed terminates, and waste water has been injected again in raw water box at this time, therefore the water quality in raw water box occurs again
Variation, needs be detected again, therefore the water quality for carrying out raw water per the operating time T1 of minor tick water pump is detected once,
When to ensure water next time, the raw water quality in raw water box is standard compliant, improves whole safety in utilization.
Preferably, further including being coupled to control module and being controlled by control module to control the cut-out that water function processed opens and closes
Module.
Using the above scheme, the cut-out of water function processed can be ensured by cutting off the setting of module, to realize to whole Drinking fountain
Control, once the water quality in raw water box goes wrong, and user is using any measure etc., then control module control is cut
Disconnected module starts to disconnect water function processed, and mandatory requirement user needs to safeguard Drinking fountain or repair, and avoids user
The water drunk is non-compliant, and then the discomfort of body is caused to user.
Preferably, when entering alarm mode, if control module control alarm module discontinuity is alarmed and is continued
Dry minute is started with terminating to alarm and controlling cut-out module to disconnect the water function processed of Drinking fountain.
Using the above scheme, once into alarm mode, then discontinuity alarm is carried out by alarm module, that is, passes through interval
The type of alarm of formula is so that user can either get information, because the alarm of duration can be very bored to the feeling of people,
If user still maintains duration alarm after having known situation, it is easy to make your irascible；And rapid discontinuity alarm,
One illustrates the seriousness of this thing, gives a kind of people's urgencys sense, and user also has a kind of sense of urgency and needs to lose no time to handle this
A thing；In addition entire alarm terminates to alarm after continuing several minutes, in the water work(processed for starting Drinking fountain by cutting off module
Can, when ensureing to stay out in user or for a long time do not pay attention to, it can be automatically performed the function of cut-out, reduce work(
Consumption.
Preferably, entering when mould-fixed, the control module control TDS detection modules carry out Y demi continuity inspections
Survey to obtain water quality data S3 and store to registration module, define Y time for 3 again for several times；The control module is to registration module
In water quality data S3 be called and be compared several water quality data S3 with P times of memorized reference value V successively；Y
2/3rds in the water quality data S3 memorized reference value V for being all higher than P times, then the control module control alarm module startup
To enter alarm mode；Conversely, then entering stable mode.
Using the above scheme, once into mould-fixed is waited for, then raw water quality is continued to detect, to complete judgement again,
Reduce the risk for erroneous judgement occur；By successional detection process to get Y water quality data S3, and Y is 3 multiple
It is secondary, by this judgement, as the memorized reference value V that 2/3rds in all water quality data S3 are all higher than P times, then illustrating
Water quality at this time is in highly unstable situation, is not suitable for also drinking it is not recommended that carrying out water processed, can be by cleaning raw water box
To carry out whole maintenance the case where improving raw water quality or to Drinking fountain；Conversely, the detection before then illustrating is a kind of mistake
Detection, the water that this water processed obtains can directly be drunk.
The second object of the present invention is to provide a kind of control method improving raw water quality accuracy of detection and accuracy.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of control method, including the above-mentioned raw water control system based on Drinking fountain, specific control method are as follows：
Step 1: the working time of booster water pump is positioned as T1, TDS sensors examine raw water at interval of T1 durations
It surveys and water quality data is denoted as S1；
Step 2: being judged successively water quality data S1, whether water quality data S1 is more than or equal to P times of memorized reference value
V；If water quality data S1 is more than or equal to P times of memorized reference value V, next step is executed；Conversely, then entering stable mode；
Step 3: defining interval time T2, TDS sensors are detected raw water every T2 durations and water quality data are remembered
For S2；
Step 4: continuously performing step 3 M times；
Step 5: judging M water quality data S2, judge whether that any one water quality data S2 is both greater than equal to P
Memorized reference again reads V；If any one water quality data S2 is both greater than the memorized reference equal to P times and reads V, enter alarm
Pattern；Conversely, into mould-fixed is waited for.
Using the above scheme, multiple detection and analysis are judged to realize the accurate detection to water quality, to ensure user
The water made from drinking-water complies with standard and safety, the safety in utilization and reliability of Drinking fountain is improved, by first
Detection then enters the pattern detected again, is examined by TDS that is, once occurring P times that water quality data S1 is more than memorized reference value V
It surveys module and successional detection is carried out to raw water quality, the P of memorized reference value V is all higher than if there is all water quality data S2
Times, then illustrate that water quality at this time is thoroughly not suitable for drinking, is alarmed by masterplate of alarming to remind user's needs pair
Raw water box is cleaned, and waste strength is reduced, if the only water quality data S2 of part is more than P times of memorized reference value V, into
Enter to wait for mould-fixed, by implementing monitoring to raw water quality and analysis, to ensure that user can drink by Drinking fountain
Water is standard compliant, improves the safety of user's drinking-water.
Preferably, into after alarm mode, it is as follows：
Step 1: primary, each lasting 1S of alarm that alarmed at interval of 1S by alarm module；
Step 2: continuously carrying out step 13 minutes；
Step 3: terminating alarm；
Step 4: disconnecting booster water pump.
Using the above scheme, alarm module carries out discontinuity alarm, i.e., by intermittent type of alarm so that using
Person can either get information；And rapid discontinuity alarm, illustrate the seriousness of this thing, gives people a kind of urgency sense, and
User also has a kind of sense of urgency needs and loses no time to handle this thing；In addition entire alarm terminates to report after continuing several minutes
It is alert, in the water function processed of starting Drinking fountain by cutting off module, ensures to stay out in user or not pay attention to for a long time
When, it can be automatically performed the function of cut-out, reduce power consumption.
Preferably, into after mould-fixed, it is as follows：
Step 1: control module controls TDS detection modules detects a raw water quality to obtain water quality number every T2 durations
According to S3；
Step 2: cycle executes step 1 Y times；
Step 3: define Y time for 3 again for several times；Water quality data S3 is compared with P times of memorized reference value V successively；
Step 4: judging at least 2/3rds in the water quality data S3 memorized reference value V for whether being both greater than P times；If
It is then to enter alarm mode；Conversely, then entering stable mode.
Using the above scheme, raw water quality is continued to detect, to complete judgement again, reduces the wind for erroneous judgement occur
Danger；By successional detection process to get Y water quality data S3, and Y be 3 times for several times, by this judgement, when
2/3rds in all water quality data S3 memorized reference value V for being all higher than P times then illustrate that water quality at this time is in very not
Stable situation is not suitable for also drinking it is not recommended that carrying out water processed, can be by cleaning raw water box come the case where improving raw water quality
Or whole maintenance is carried out to Drinking fountain；Conversely, the detection before then illustrating is a kind of error detection, the water that this water processed obtains
It can directly drink.
Preferably, defining memorized reference reads V, it is as follows：
Step 1: TDS sensors are detected tap water；
Step 2: defining detection time T4, TDS sensor obtained several water quality data Q at interval of T4 minutes；
Step 3: continuously performing step 2 M times；
Step 4: M data are compared by comparing module, and maximum value is defined as memorized reference value V.
Using the above scheme, the water quality of tap water is directly detected, and is measured repeatedly to take maximum value therein
To be defined as memorized reference value V, the direct detection of tap water is wanted with the water quality for adapting to each area by TDS detection modules
Ask the case where differing so that the use scope of Drinking fountain will not be influenced by regional environment, improve practicability, this process is straight
Drink machine is detected definition in the state of starting for the first time, can ensure, in the case where other no waste water influence, to define
One benchmark, improves the accuracy of detection, occurs to avoid occurring the case where error detection in the detection process in later stage, improves detection
Reliability, allow the progress that subsequent detection can be orderly.
In conclusion the invention has the advantages that：It can ensure more reasonably to examine the water quality in raw water box
It surveys, ensures user in use, standard compliant drinking water can be obtained, if raw water quality goes wrong, can be led to
Alarm is crossed to remind user, is safeguarded convenient for user.
Description of the drawings
Fig. 1 is the system schematic of Drinking fountain；
Fig. 2 is the system block diagram of raw water control system
The system block diagram of Fig. 3 methods in order to control；
Fig. 4 is into the system block diagram for waiting for mould-fixed；
Fig. 5 is the system block diagram into alarm mode；
Fig. 6 is the system block diagram for defining reference value V.
In figure：1, raw water box；2, entering water electromagnetic valve；3, booster water pump；4, meltblown fibers filter core；5, seed activity carbon filtration
Core；6, extruded activated carbon filter core；7, reverse osmosis membrane；8, resin cation filter core；9, sintering activity filtration core；10, clear water tanks；
11, heating device；12, hot-water cylinder；13, refrigerating plant.
Specific implementation mode
Below in conjunction with attached drawing, invention is further described in detail.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art
Member can as needed make the present embodiment the modification of not creative contribution after reading this specification, but as long as at this
It is all protected by Patent Law in the right of invention.
Embodiment one, disclosed a kind of raw water control system based on Drinking fountain, as shown in Figure 1, and used at present
Drinking fountain includes the raw water box 1 stored for raw water, by the raw water in raw water box 1 by entering water electromagnetic valve 2 and booster water pump 3 according to
It is secondary to be transmitted to meltblown fibers filter core 4, granular activated carbon filter core 5 and extruded activated carbon filter core 6, by reverse osmosis membrane 7 by waste water
Raw water box 1 is recycled to after resin cation filter core 8, and water purification is then transmitted to clear water tanks 10 by sintering activity filtration core 9
With for people to use, if desired hot water, then heat water purification by heating device 11 and stored into hot-water cylinder 12, heating
Device 11 is preferably hot courage relay or heating wire；If desired cold water then directly freezes to water purification by refrigerating plant 13,
And refrigerating plant 13 is preferably using refrigeration relay or cooling piece；And corresponding display device then to the state of entire Drinking fountain into
Row display, it is preferred to use liquid crystal display.
As shown in Fig. 2, raw water control system includes carrying out discontinuity detection several times to raw water quality and will be detected
The TDS detection modules that are exported successively of water quality data S1, TDS detection modules preferably use TDS sensors.The world defends at present
The standard for the water directly drunk that raw tissue is announced is that TDS values are less than 50；European Union is less than 70；The U.S. is less than 50；China《It is raw
Sanitary standard for drinking water living》TDS value standards to tap water are less than or equal to 1000.In China, the relationship of TDS values and tap water
It is as follows：When TDS values are less than 300mg/L, then fine state is in；When TDS values are between 300mg/L-600mg/L, then
In preferable state；When TDS values are between 600mg/L-900mg/L, then general state is in；When TDS values are in
When between 900mg/L-1200mg/L, then poor state is in；When TDS values are more than 1200mg/L, then shape can not be drunk by being in
State；Therefore normally reference water is most preferably in the preferably above state.The operation principle of TDS sensors is as follows：By at two or
Apply voltage between multiple electrodes.Positively charged ion（Such as sodium ion, calcium ion, magnesium ion, hydrogen ion, etc.）To negative electrical charge
Electrode movement, negatively charged ion（Such as chlorion, sulfate ion, bicarbonate ion etc.）It will be to the electrode of positive charge
It is mobile, two interelectrode voltages are measured, obtain conductivity, then the TDS values by the way that water is calculated.
The interval time that discontinuity detection several times is carried out to raw water quality preferably uses the operating time of booster water pump 3
Control module controls TDS detection modules to be detected to raw water quality after T1, each duration T1.TI is preferably 2 hours.
As shown in Fig. 2, water control system further include be coupled to TDS detection modules with receive water quality data S1 and to TDS examine
It surveys control module that module controlled, be coupled to control module to receive water quality data S1 that control module is exported and by water
Registration module that prime number is stored according to S1 is preset with memorized reference value V and is coupled to control module to receive called water
Prime number is according to S1 and is compared to each other the water quality data S1 called and memorized reference value V and exports comparison signal to control module
Comparison module.
The programmable controllers such as microcontroller, PLC may be used in control module；It is preferred that using microcontroller.Pass through microcontroller reality
Include now following two schemes：
Scheme one：Core devices use AT89C51 microcontrollers, AT89C51 chips to have the inside FLASH of 4K bytes
PERAM, can be to work under the low pressure of 3V, and the chip and MCS-51 series monolithics are completely compatible, but the chip uses
Due to being not equipped with ISP online programming technologies when in circuit design, so when being debugged to circuit, due to mistake
Modification of program or when what's new be added to program needing burned program, need plug chip to be fired program, and to core
The multiple plug of piece can cause chip certain damage.
Scheme two：Core devices are using the STC89C52 single chip of STC Corporation as processor.The chip has continued to use classics
MCS-51 kernels, and many improvement have been done on the basis of MCS-51；The chip instruction code completely compatible traditional 8051
Microcontroller；The chip has 12 clocks/machine cycle and 6 clocks/machine cycle can be optional, also has 8k bytes programmable
FLash memories and 512 byte RAM；The chip does not need Special programming or dedicated emulated device, can directly use under serial ports
It carries.Compared to 51 traditional microcontrollers, the comprehensive performance higher of STC89C52.
Due to needing higher processing speed and stronger interference free performance in this programme, select STC89C52 as
Core devices.STC89C52 can meet this requirement as a high performance CMOS8 8-digit microcontrollers.
Registration module preferably uses register internal in microcontroller, can more preferred circuit, reduce circuit cost,
Microcontroller can certainly be connected to realize by external register, it is preferred to use the register inside microcontroller；Storage
Stacking-type storage may be used in pattern, can also all carry out carrying out data export after being stored in a period of time using total data.
External comparator may be used to realize in comparison module, the program in microcontroller can also be used to realize, this reality
Applying in example preferably uses the program in microcontroller to realize, can substantially reduce the complexity of circuit, while simpler, is easy
Implement, is convenient for the setting of subsequent memorized reference value V.The set-up mode of memorized reference value V is as follows：TDS detection modules are to originally
The water quality of water carries out continuous detection several times, and the time interval continuously detected herein is defined as T4, and T4 is preferably 3 minutes, will
Corresponding detected water quality data Q is transmitted to control module and stores water quality data Q to registration module, control module control
Several water quality datas Q is compared to each other, and it is memorized reference value V to define the maximum water quality data Q of numerical value.
As shown in Fig. 2, raw water control system further includes being coupled to control module and according to comparison signal to realize alarm
Alarm module；Voice guard and/or visual alarm may be used in alarm module, and audible alarm is preferably used in the present embodiment
The mode that device be combined with each other with visual alarm, improves the significance of warning；Voice guard is realized using buzzer, and light
Alarm is realized using stroboscopic diode.
As shown in Fig. 2, raw water control system further includes being coupled to control module and being controlled by control module to control water processed
The cut-out module that function opens and closes.Module is cut off i.e. by cut-out switch to disconnect booster water pump 3, so that can not be to being pressed in filter core
Enter raw water, that is, realizes the control opened and closed to water function processed.
Above institute is stateful can be shown by display device.
Specifically the detection of raw water is controlled as follows：
Control module any one water quality data S1 in registration module is called and by water quality data S1 with note
Recall reference value V to be compared, if water quality data S1 is more than P times of memorized reference value V, P times in the present embodiment is both preferably 3
Times, then control module control TDS detection modules carry out the detection of M demi continuities to obtain water quality data S2 and store to deposit mould
Block, the M suboptimums in embodiment are selected as 3 times, and the time interval of continuity detection herein is defined as T2, preferably 1min, controls
Module is called the water quality data S2 in registration module and carries out M water quality data S2 with memorized reference value V successively
Compare, if water quality data S2 is all higher than P times of memorized reference value V, control module controls alarm module and starts to enter alarm
Pattern；Conversely, into mould-fixed is waited for.
When entering alarm mode, control module control alarm module discontinuity alarms and continues several minutes to terminate to report
It warns and controls cut-out module and start to disconnect the water function processed of Drinking fountain.The type of alarm of buzzer is：1s is primary, is spaced 1s,
Continuous 5 times, 1min is a cycle period, when with alarm, RO system halts work.
Entering when mould-fixed, control module controls TDS detection modules and carries out the detection of Y demi continuities to obtain water quality number
It according to S3 and stores to registration module, continuity detection is preferably time interval T2, i.e. 1min detections are primary, defines Y times as 3 times
For several times, Y suboptimums are selected as 3 times or 6 times in the present embodiment；Control module is called simultaneously the water quality data S3 in registration module
Several water quality data S3 are compared with P times of memorized reference value V successively；At least 2/3rds in Y water quality data S3
A memorized reference value V for being all higher than P times, then the startup of control module control alarm module is to enter alarm mode；Conversely, then entering
Stable mode.
Embodiment two, a kind of control method, including the above-mentioned raw water control system based on Drinking fountain, as shown in figure 3, tool
Body controlling means are as follows：
Step 1: the working time of booster water pump 3 is positioned as T1, TDS sensors carry out raw water at interval of T1 durations
It detects and water quality data is denoted as S1；
Step 2: being judged successively water quality data S1, whether water quality data S1 is more than or equal to P times of memorized reference value
V；If water quality data S1 is more than or equal to P times of memorized reference value V, next step is executed；Conversely, then entering stable mode；
Step 3: defining interval time T2, TDS sensors are detected raw water every T2 durations and water quality data are remembered
For S2；
Step 4: continuously performing step 3 M times；
Step 5: judging M water quality data S2, judge whether that any one water quality data S2 is both greater than equal to P
Memorized reference again reads V；If any one water quality data S2 is both greater than the memorized reference equal to P times and reads V, enter alarm
Pattern；Conversely, into mould-fixed is waited for.
Into after alarm mode, as shown in figure 4, being as follows：
Step 1: primary, each lasting 1S of alarm that alarmed at interval of 1S by alarm module；
Step 2: continuously carrying out step 13 minutes；
Step 3: terminating alarm；
Step 4: disconnecting booster water pump 3.
Into after mould-fixed, as shown in figure 5, being as follows：
Step 1: control module controls TDS detection modules detects a raw water quality to obtain water quality number every T2 durations
According to S3；
Step 2: cycle executes step 1 Y times；
Step 3: define Y time for 3 again for several times；Water quality data S3 is compared with P times of memorized reference value V successively；
Step 4: judging 2/3rds in the water quality data S3 memorized reference value V for whether being both greater than P times；If so,
Into alarm mode；Conversely, then entering stable mode.
It defines memorized reference and reads V, as shown in fig. 6, being as follows：
Step 1: TDS sensors are detected tap water；
Step 2: defining detection time T4, TDS sensor obtained several water quality data Q at interval of T4 minutes；
Step 3: continuously performing step 2 M times；
Step 4: M data are compared by comparing module, and maximum value is defined as memorized reference value V.
Claims (9)
1. a kind of raw water control system based on Drinking fountain, including discontinuity detection several times is carried out to raw water quality and will be examined
The TDS detection modules that the water quality data S1 measured is exported successively, it is characterized in that：Further include be coupled to TDS detection modules with
Receive water quality data S1 and TDS detection modules are controlled control module, be coupled to control module to receive control module
The water quality data S1 that is exported and by registration module that water quality data S1 is stored, be preset with memorized reference value V and be coupled to
Control module is to receive called water quality data S1 and be compared to each other the water quality data S1 called and memorized reference value V simultaneously
Comparison signal is exported to the comparison module of control module and is coupled to control module and according to comparison signal to realize alarm
Alarm module；
The control module any one water quality data S1 in registration module is called and by water quality data S1 with note
Recall reference value V to be compared, if water quality data S1 is more than P times of memorized reference value V, control module controls TDS detection modules
The detection of M demi continuities is carried out to obtain water quality data S2 and store to registration module, the control module is in registration module
Water quality data S2 is called and is compared M water quality data S2 with memorized reference value V successively, if water quality data S2 is equal
More than P times of memorized reference value V, then the control module control alarm module starts to enter alarm mode；Conversely, into waiting for
Mould-fixed；
Entering when mould-fixed, the control module control TDS detection modules carry out the detection of Y demi continuities to obtain water quality number
According to S3 and store to registration module, define Y time for 3 again for several times；The control module is to the water quality data S3 in registration module
It is called and is compared several water quality data S3 with P times of memorized reference value V successively；In Y water quality data S3
At least 2/3rds memorized reference value V for being all higher than P times, then the control module control alarm module starts is alarmed with entering
Pattern；Conversely, then entering stable mode.
2. a kind of raw water control system based on Drinking fountain according to claim 1, it is characterized in that：The TDS detects mould
Block carries out continuous detection several times to the water quality of tap water, detected water quality data Q is transmitted to control module and by water
Prime number is stored according to Q to registration module, and the control module controls several water quality datas Q and is compared to each other, and defines numerical value most
Big water quality data Q is memorized reference value V.
3. a kind of raw water control system based on Drinking fountain according to claim 1, it is characterized in that：Further include for being connected to
The booster water pump (3) of raw water box (1) and filter core, at interval of the operating time T1 of booster water pump (3), the control module control
TDS detection modules to raw water quality to carry out discontinuity detection.
4. a kind of raw water control system based on Drinking fountain according to claim 2, it is characterized in that：Further include being coupled to control
Molding block and it is controlled by control module to control the cut-out module that water function processed opens and closes.
5. a kind of raw water control system based on Drinking fountain according to claim 4, it is characterized in that：Into alarm mode
When, the control module control alarm module discontinuity alarm and continues several minutes and cuts off module to terminate to alarm and control and open
It moves to disconnect the water function processed of Drinking fountain.
6. a kind of raw water control method of Drinking fountain, it is characterized in that：Including a kind of base described in claim 1 to 5 any one
In the raw water control system of Drinking fountain, specific control method is as follows：
Step 1: the working time of booster water pump (3) is positioned as T1, TDS sensors examine raw water at interval of T1 durations
It surveys and water quality data is denoted as S1；
Step 2: being judged successively water quality data S1, whether water quality data S1 is more than P times of memorized reference value V；If water quality
Data S1 is more than P times of memorized reference value V, then executes next step；Conversely, then entering stable mode；
Step 3: defining interval time T2, TDS sensors are detected raw water every T2 durations and water quality data are denoted as
S2；
Step 4: continuously performing step 3 M times；
Step 5: judging M water quality data S2, judge whether that any one water quality data S2 is both greater than P times of memory
Reference value V；If any one water quality data S2 is both greater than P times of memorized reference value V, enter alarm mode；Conversely, into waiting for
Mould-fixed.
7. a kind of raw water control method of Drinking fountain according to claim 6, it is characterized in that：Into after alarm mode, tool
Steps are as follows for body：
Step 1: primary, each lasting 1S of alarm that alarmed at interval of 1S by alarm module；
Step 2: continuously carrying out step 13 minutes；
Step 3: terminating alarm；
Step 4: disconnecting booster water pump (3).
8. a kind of raw water control method of Drinking fountain according to claim 6, it is characterized in that：Into after mould-fixed, have
Steps are as follows for body：
Step 1: control module controls TDS detection modules detects a raw water quality to obtain water quality data S3 every T2 durations；
Step 2: cycle executes step 1 Y times；
Step 3: define Y time for 3 again for several times；Water quality data S3 is compared with P times of memorized reference value V successively；
Step 4: judging at least 2/3rds in the water quality data S3 memorized reference value V for whether being both greater than P times；If so,
Into alarm mode；Conversely, then entering stable mode.
9. a kind of raw water control method of Drinking fountain according to claim 8, it is characterized in that：Define memorized reference value V, tool
Steps are as follows for body：
Step 1: TDS sensors are detected tap water；
Step 2: defining detection time T4, TDS sensor obtained several water quality data Q at interval of T4 minutes；
Step 3: continuously performing step 2 M times；
Step 4: M data are compared by comparing module, and maximum value is defined as memorized reference value V.
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| JP2003225662A (en) * | 2002-02-07 | 2003-08-12 | Hyi Dong Jung | Reverse osmosis water purifier capable of measuring water quality and flow rate |
| CN104003542A (en) * | 2014-06-17 | 2014-08-27 | 山东润泰智能电气有限公司 | Intelligent whole-process water quality detecting water purifier and detecting method thereof |
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