CN105293789B - Water purifying device and control method - Google Patents
Water purifying device and control method Download PDFInfo
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- CN105293789B CN105293789B CN201510751376.0A CN201510751376A CN105293789B CN 105293789 B CN105293789 B CN 105293789B CN 201510751376 A CN201510751376 A CN 201510751376A CN 105293789 B CN105293789 B CN 105293789B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 279
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 49
- 238000000746 purification Methods 0.000 claims abstract description 15
- 238000012423 maintenance Methods 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims description 18
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 11
- 238000011010 flushing procedure Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 4
- 238000000108 ultra-filtration Methods 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims 1
- 238000005406 washing Methods 0.000 claims 1
- 238000001914 filtration Methods 0.000 abstract description 4
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229910021642 ultra pure water Inorganic materials 0.000 description 2
- 239000012498 ultrapure water Substances 0.000 description 2
- 238000012937 correction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Treatment Of Water By Ion Exchange (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to the technical field of water purification equipment, in particular to a water purification device and a control method thereof. The pure water device comprises a plurality of water filtering units, a control device and an execution unit for controlling the working state of the pure water device; and a detection device for detecting the state of the treated water is arranged at the inlet end and/or the outlet end of the water filtering unit; the detection device and the execution unit are electrically connected with the control device, and the control device controls the operation of the execution unit according to the detection signal of the detection device so as to adjust the operation state of the water purification device. Meanwhile, the invention also provides a control method of the water purification device. The invention realizes the automatic control of the working state of the water purifier by the matching use of the detection device, the execution unit and the control device, effectively prolongs the service life of the product, reduces the after-sale faults and the maintenance cost of the product and ensures the product quality.
Description
Technical field
The present invention relates to water correction plant technical field more particularly to a kind of pure water device and its control methods.
Background technology
With the development of pure water industry, the water filtration process of water purification machine is varied, can filter and generate different qualities
Pure water.
Currently, ultrapure water apparatus be all made of simple rotary switch carry out control and instrument show RO water outlet conductivities and
EDI is discharged resistivity states, cannot be run to equipment play effective control action and in the defencive function of abnormal conditions in this way,
Effective monitoring and control cannot be carried out to the water quality that device systems are run, while there is also product failure rate, maintenance costs after sale
The defects of high.Therefore, equipment operational reliability has limitation very much, is unfavorable for the technology development and management of product.
It is used in view of the above-mentioned problems, we need a kind of pure water device and its control method that can solve existing pure water device
The not high problem of the degree of automation in the process.
Invention content
It is an object of the invention to propose a kind of pure water device, can solve to automate during existing pure water device use
The not high problem of degree.
It is another object of the present invention to propose a kind of control method, it is suitable for being controlled to above-mentioned pure water device
System.
For this purpose, the present invention uses following technical scheme：
A kind of pure water device comprising multiple water filter units, control device, and for controlling pure water device work shape
The execution unit of state；
And the input end of water filter unit and/or outlet end are provided with the detection for detecting treated water state
Device；
The detection device, execution unit are electrically connected with control device, and the control device is according to the detection of detection device
The operation of signal control execution unit is to adjust the operating status of pure water device.
As a kind of preferred embodiment of above-mentioned pure water device, the detection device include at least pressure sensor, flowmeter,
One of water level sensor, electric resistance measuring apparatus and conductivity measuring apparatus；
The execution unit includes power plant and control valve.
A kind of pure water device control method, it is specific to wrap it is suitable for controlling the work of pure water device as described above
It includes：The state of treated water is detected by detection device, control device is logical according to the treated water information that detection device detects
Cross the working condition of execution unit control pure water device.
A kind of preferred embodiment of control method as above-mentioned pure water equipment, control device are handled receiving data
Afterwards, if it is determined that data exception, controls corresponding execution unit and be adjusted correspondingly to the working condition of water purification machine, if adjustment
Water purification machine still can not work normally afterwards, then shutting down.
A kind of preferred embodiment of control method as above-mentioned pure water equipment, pure water equipment with control after a shutdown by filling
The display device for setting connection sends out corresponding fault message, and/or corresponding by being sent out to the alarming device that control device connects
Alarm signal.
A kind of preferred embodiment of control method as above-mentioned pure water equipment, control device upload fault message as it
Communicate the host computer of connection.
A kind of preferred embodiment of control method as above-mentioned pure water equipment, the state for detecting treated water include that detection is more
The pressure and/or water flow and/or production water conductivity and/or resistivity of the treated water of a position；
If occur pressure detection value be less than setting value P, stop setting operation, if pressure detection value setting value with
On, equipment normal operation；
If water flow is less than setting value C, pure water device is out of service, otherwise normal operation；
If produce water conductivity more than setting value G, pure water equipment is out of service, otherwise pure water equipment automatic running；
If produce water resistance rate less than setting value ρ, circular treatment produces water.
A kind of preferred embodiment of control method as above-mentioned pure water equipment, the state for detecting treated water include detection quilt
The processing time of water is handled, if after pure water equipment continuous processing water setting time T, when control device controls flushing valve blowdown setting
Between t, after blowing time t, control device controls flushing valve and closes, and pure water device continues normal operation.
A kind of preferred embodiment of control method as above-mentioned pure water equipment, the state for detecting treated water include detection water
Water level in case, the water level in water tank includes multiple water level values, respectively low water level, middle water level, high water level, protection water level；
When detecting low water level in water tank, control device controls alarming device connected to it and sends out maintenance prompt；
When detecting high water water level, pure water device is out of service, and equipment enters standby mode；
When detecting protection water level, pure water device is out of service, and control device controls alarming device hair connected to it
Go out maintenance prompt.
A kind of preferred embodiment of control method as above-mentioned pure water equipment, when the water level for judging to be used for sensed water level information
When sensor failure, system is out of service.Beneficial effects of the present invention are：
Beneficial effects of the present invention are：The present invention is made by the cooperation between control device, execution unit and detection device
With realizing the working condition of automation control water purification machine, so that water purification machine is worked under preferably state, effectively
Product service life is improved, product failure and maintenance cost after sale is reduced, ensures product quality.
Description of the drawings
Fig. 1 is the pure water device control schematic diagram that the specific embodiment of the invention provides；
Fig. 2 is the structural schematic diagram for the pure water device that the specific embodiment of the invention provides；
Wherein
1：Control device；2：Execution unit；3：Detection device；4：Fore filter；5：Ro filters；6:EDI water process
Module.
Specific implementation mode
Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1 and Figure 2, in the present embodiment, it includes multiple water filter units, control to provide a kind of pure water device
Device 1 processed, and the execution unit 2 for controlling pure water device working condition；
And the input end of water filter unit and/or outlet end are provided with the detection for detecting treated water state to fill
Set 3；
Detection device 3, execution unit 2 and the communication of control device 1 connect, and control device 2 is believed according to the detection of detection device
The operation of number control execution unit 2 is to adjust the operating status of pure water device.
In present embodiment, by being used cooperatively between control device 1, execution unit 2 and detection device 3, realize
The working condition of automation control water purification machine enables water purification machine to work under preferably state, effectively improves product
Service life reduces product failure and maintenance cost after sale, ensures product quality.
Detection device 3 includes at least pressure sensor, flowmeter, water level sensor, electric resistance measuring apparatus and conductivity and surveys
Measure one of device.It can be to every important parameter in the pure water device course of work by the setting of above-mentioned detection device 3
Effectively monitored.
Execution unit 2 includes power plant and control valve.It can effectively be controlled by the regulation and control to power plant pure
Hydraulic pressure in water installations.Valve herein is solenoid valve, by controlling opening and closing, the aperture of solenoid valve, can adjust pure water dress
The working condition set, working condition herein refer to water supply, water outlet, flushing of system etc..
Pure water device further includes the display screen with the communication connection of control device 1, and display screen is used to input to control device 1 and control
Signal and display control unit 1 processed treated detection signal.Especially, judge to detect after processing when control device 1
Data are abnormal data, fault data (abnormal data) are shown by display screen, thus, it is possible to which user is made more intuitively to judge
Be out of order type, is convenient for the repair in later stage.
Pure water device further includes the alarming device with the communication connection of control device 1, when control device carries out detection signal
After processing and when judging detection data exception, control device 1 controls alarming device and sends out alarm signal.
Above-mentioned alarming device is sound and/light warning device.Audible alarm unit is buzzer, and light warning device is alarm
The word that lamp is either shown on a display screen.When a failure occurs it, alarm signal is sent out by alarming device, can prompts to make
User is in time handled failure.
Pure water device further include with control device 1 communication connection host computer, control device 1 will treated detection signal
It is sent to host computer.Above-mentioned host computer is mobile terminal or central controller, thus, it is possible to realize to the long-range of pure water device
Monitoring.
Above-mentioned multiple water filter units include the fore filter 4 being sequentially communicated, at least level-one ro filters 5 and EDI water
Processing module 6.
Intermediate water tank, EDI water process are at least provided between the water outlet of level-one Ro filters 5 and EDI water treating modules
The water outlet of module is provided with production water valve.
Connecting line between EDI water treating modules 6 and production water valve is connected to intermediate water tank, and on the connecting line of the two
It is provided with back-water valve (BWV).The circulating filtration of production water may be implemented by the setting of back-water valve (BWV).
In the present embodiment, pure water device includes fore filter 4, at least level-one ro filters 5 and EDI water process moulds
Block 6.Wherein, at least level-one ro filters 5 include two ro filters 5 being arranged in series, two ro filters 5 being arranged in series
Respectively the first ro filters and the 2nd to filters.
Fore filter 4 includes coiling filter core, active carbon filter core and ultrafiltration membrane elements, wherein ultrafiltration membrane elements are connected with
Ultrafiltration membrane flushing valve.
Specifically, the front end of fore filter 4 be provided with the preposition filter flushing valve for being sequentially connected in series setting, low tension switch,
Electrical ball valve, water inlet water pump, wherein fore filter flushing valve is connected to running water pipe, the water outlet for water pump of intaking with it is preposition
The water inlet end of filter is connected to.
The water inlet end of ro filters 5 is provided with water pump, pressure-detecting device and feed water flow gauge, and water outlet is provided with production water
Flowmeter, production water conductivity measuring device, water flow meter, discharge pressure detection device.
The water inlet end of EDI water treating modules 6 is provided with water pump, filter, flow detector, pressure-detecting device,
Water outlet is provided with pressure-detecting device, flow detector and resistivity detecting device.
It is also associated with intermediate water tank between the water outlet and EDI water treating modules 6 of 2nd ro filters, intermediate water tank includes
Water-level detecting device.The water outlet of EDI water treating modules 6 is connected with pure water water tank, and water level biography has been provided in the pure water water tank
Sensor.Production water valve is provided on connecting line between EDI water treating modules 6 and pure water water tank.And produce water valve and EDI water process
Pipeline between module 6 is connected to intermediate water tank, and is provided with back-water valve (BWV) on the connecting line of the two.
In order to which above-mentioned pure water device is further detailed, in the present embodiment, a kind of pure water dress is additionally provided
Control method is set, it is suitable for controlling the work of pure water device as described above, includes specifically：It is detected by detection device
The state of treated water, the treated water information that control device is detected according to detection device control pure water dress by execution unit
The working condition set.
After control device is handled to receiving data, if it is determined that data exception, controls corresponding execution unit pair
The working condition of water purification machine is adjusted correspondingly, if water purification machine still can not work normally after adjustment, then shutting down.
Corresponding fault message is sent out by display device after a shutdown, and/or corresponding police is sent out by alarming device
Show signal.
Pure water device further includes the host computer with control device communication connection, and control device shows failure by display device
Fault message is uploaded to host computer while information, host computer is mobile setting or central control unit.
The state of detection treated water includes the pressure for the treated water for detecting multiple positions, if there is pressure detection value
Less than setting value P, then stop setting operation, if pressure detection value more than setting value, equipment normal operation.Above-mentioned pressure
Setting value P is set according to the model of pure water equipment, if the pressure set points of the pure water equipment of certain model are 1 kilogram.
The state of detection treated water includes detecting the processing time of treated water, if pure water equipment continuous processing water is set
After time T, after control device controls flushing valve blowdown setting time t, blowing time t, control device controls flushing valve and closes, pure
Water installations continue normal operation.In this embodiment, the value of T is 1 hour, and the value of t is 3 minutes.
The state for detecting treated water includes detecting the water flow of multiple positions, when water flow is less than setting value C, pure water
Device is out of service, otherwise normal operation.In this embodiment, the value of C is 1L/min.
The state for detecting treated water includes detecting the production water conductivity of multiple positions, when production water conductivity is more than setting value
When G, pure water equipment is out of service, otherwise pure water equipment automatic running.
If production water conductivity is continued for being greater than the set value G, control system control warning device sends out alarm signal, this
When require manual replacement consumptive material, then could restore normal operation.In this embodiment, the value of G is 50US.CM.
The state of detection treated water includes that the resistivity of the multiple position production water of detection is followed when producing water resistance rate less than ρ
Ring processing production water.
Specifically, when detecting that producing water water quality resistivity is less than 13 Μ Ω or less, system automatically opens back-water valve (BWV), closes
Production water valve is closed, water is allowed to return to intermediate water tank, circular flow is when detecting that producing water water quality resistivity is more than 13 Μ Ω or more
System automatically opens production water valve, closes back-water valve (BWV), and production water is stored into ultrapure water tank.
The state of detection treated water includes the water level detected in water tank, and the water level in water tank includes multiple water level values, point
Not Wei low water level, middle water level, high water level, protection water level, when detecting low water level in water tank, system automatic alarm maintenance carry
Show, when detecting high water water level, system is automatically stopped operation, and equipment is in standby automatically, when detecting protection water level
When, system is automatically stopped operation, and closes inlet valve, and automatic alarm maintenance prompt when water level sensor fails, is set at this time
The leak stop action being most less than in complete machine is counted, inlet valve is closed.
In conclusion system all devices, sensor, electrical components design the interlocking defencive function of automatic linkage, it is right
The problems such as each link of equipment is protected, is not in abnormal.
The technical principle of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's
Principle, and it cannot be construed to limiting the scope of the invention in any way.Based on the explanation herein, the technology of this field
Personnel would not require any inventive effort the other specific implementation modes that can associate the present invention, these modes are fallen within
Within protection scope of the present invention.
Claims (10)
1. a kind of pure water device, which is characterized in that including multiple water filter units, control device (1), and for controlling pure water
The execution unit (2) of working state of device；
The multiple water filter unit includes fore filter (4), at least level-one ro filters (5) and EDI water treating modules
(6), the fore filter (4) includes coiling filter core, active carbon filter core and ultrafiltration membrane elements；
And the input end of water filter unit and/or outlet end are provided with the detection device for detecting treated water state
(3)；
The detection device (3), execution unit (2) are electrically connected with control device (1), and the control device (1) fills according to detection
The operation for the detection signal control execution unit (2) set is to adjust the operating status of pure water device；
It at least is provided with intermediate water tank between the water outlet of ro filters (5) and the EDI water treating modules (6) described in level-one,
The water outlet of the EDI water treating modules (6) is provided with production water valve；
Connecting line between the EDI water treating modules (6) and the production water valve is connected to the intermediate water tank, and the company
It takes over road and is provided with back-water valve (BWV)；
The water outlet of the EDI water treating modules (6) is connected with pure water water tank, and level sensor is provided in the pure water water tank
Device, the water level in the pure water water tank includes low water level, middle water level, high water level, protection water level, when the water level sensor detects
When to protection water level, system is automatically stopped operation, and closes inlet valve, automatic alarm maintenance prompt；
When the water level sensor fails, leak stop closes the inlet valve.
2. pure water device according to claim 1, which is characterized in that the detection device (3) includes at least pressure sensing
One of device, flowmeter, water level sensor, electric resistance measuring apparatus and conductivity measuring apparatus；
The execution unit (2) includes power plant and control valve.
3. a kind of pure water device control method, which is characterized in that it is suitable for controlling pure water dress as claimed in claim 1 or 2
The work set includes specifically：The state of treated water is detected by detection device, control device is detected according to detection device
Treated water information pass through execution unit control pure water device working condition.
4. pure water device control method according to claim 3, which is characterized in that control device is carried out to receiving data
After processing, if it is determined that data exception, controls corresponding execution unit and is adjusted correspondingly to the working condition of water purification machine, if
Water purification machine still can not work normally after adjustment, then shutting down.
5. pure water device control method according to claim 4, which is characterized in that pure water equipment after a shutdown by with control
The display device of device connection processed sends out corresponding fault message, and/or the alarming device by being connect with control device is sent out
Corresponding alarm signal.
6. pure water device control method according to claim 5, which is characterized in that fault message is uploaded to by control device
In the host computer of its communication connection.
7. according to the pure water device control method described in claim 3-6 any one, which is characterized in that detect treated water
State includes the pressure and/or water flow and/or production water conductivity and/or resistivity for the treated water for detecting multiple positions；
If occur pressure detection value be less than setting value P, stop setting operation, if pressure detection value more than setting value, if
Standby normal operation；
If water flow is less than setting value C, pure water device is out of service, otherwise normal operation；
If produce water conductivity more than setting value G, pure water equipment is out of service, otherwise pure water equipment automatic running；
If produce water resistance rate less than setting value ρ, circular treatment produces water.
8. according to the pure water device control method described in claim 3-6 any one, which is characterized in that detect treated water
State includes detecting the processing time of treated water, if after pure water equipment continuous processing water setting time T, control device control is rushed
After washing valve blowdown setting time t, blowing time t, control device controls flushing valve and closes, and pure water device continues normal operation.
9. according to the pure water device control method described in claim 3-6 any one, which is characterized in that detect treated water
State includes the water level detected in water tank, and the water level in water tank includes multiple water level values, respectively low water level, middle water level, Gao Shui
Position, protection water level；
When detecting low water level in water tank, control device controls alarming device connected to it and sends out maintenance prompt；
When detecting high water water level, pure water device is out of service, and equipment enters standby mode；
When detecting protection water level, pure water device is out of service, and control device controls alarming device connected to it and sends out inspection
Repair prompt.
10. pure water device control method according to claim 9, which is characterized in that when judgement is used for sensed water level information
Water level sensor failure when, system is out of service.
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| CN201510751376.0A CN105293789B (en) | 2015-11-05 | 2015-11-05 | Water purifying device and control method |
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| CN105293789B true CN105293789B (en) | 2018-10-16 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106186189A (en) * | 2016-07-20 | 2016-12-07 | 珠海格力电器股份有限公司 | Water purifier flushing method and device |
| CN108793269B (en) * | 2017-04-27 | 2021-06-22 | 芜湖美的厨卫电器制造有限公司 | Water level control method for water purifier water bag and water purifier |
| CN109231316B (en) * | 2018-11-28 | 2024-06-25 | 杭州和利时自动化有限公司 | Control system of sewage treatment system |
| CN109707009B (en) * | 2018-12-07 | 2021-07-02 | 珠海格力智能装备有限公司 | Pressure protection device and method for closed water tank |
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| US6607668B2 (en) * | 2001-08-17 | 2003-08-19 | Technology Ventures, Inc. | Water purifier |
| CN204265580U (en) * | 2014-06-11 | 2015-04-15 | 上海富诗特仪器设备有限公司 | novel ultra-pure water machine |
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| CN101654309A (en) * | 2009-09-15 | 2010-02-24 | 上海华强环保设备工程有限公司 | Intelligent pure water/ultra-pure water preparing system and automatic control method thereof |
| CN101976053A (en) * | 2010-10-12 | 2011-02-16 | 林莹陈 | Full-automatic operation and monitoring system of water purifier and use method thereof |
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