CN101923360B - Water-saving control device - Google Patents
Water-saving control device Download PDFInfo
- Publication number
- CN101923360B CN101923360B CN2009100528238A CN200910052823A CN101923360B CN 101923360 B CN101923360 B CN 101923360B CN 2009100528238 A CN2009100528238 A CN 2009100528238A CN 200910052823 A CN200910052823 A CN 200910052823A CN 101923360 B CN101923360 B CN 101923360B
- Authority
- CN
- China
- Prior art keywords
- water
- water quality
- saving
- moisturizing
- quality parameter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Treatment Of Water By Ion Exchange (AREA)
- Chemically Coating (AREA)
Abstract
The invention relates to a water-saving control device which can save water consumption in plating rinsing, comprising a water quality sensor, a controller and a water replenishing executor. The water quality sensor detects and transmits at least one water quality parameter of water in one target container. The controller comprises a first setting unit and a comparison unit; wherein the first setting unit presets a plurality of water quality levels and can receive selection on one water quality level, and each water quality level is corresponding to the control point of at least one water quality parameter; the comparison unit is used for comparing the water quality parameter detected by the water quality sensor with the control point of the water quality parameter corresponding to the selected water quality level, so as to control water replenishing of one water replenishing executor; when the water quality parameter is higher than the control point of the water quality parameter corresponding to the selected water quality level, the water replenishing executor is controlled to replenish fresh water into the target container; and when the water quality parameter reaches the control point of the water quality parameter corresponding to the selected water quality level, the water replenishing executor is controlled to stop fresh water replenishing on the target container.
Description
Technical field
The present invention relates to replenish the control device of clean water, especially relate to a kind of water-saving control device.
Background technology
In the plating production process, generally use tap water (on a small quantity with pure water or soft water) to clean plating piece.Owing to differences such as product type, technological process, apparatus-form, raw water quality and management level, go back the water consumption (m of the blanket unit of neither one plating piece area
3/ m
2) standard.Mainly relying on operating personnel's experience at present for the control of water consumption, is criterion not go out substandard products.In order to guarantee the plating piece cleaning quality, do not stint and use excessive water.Though all there is the requirement of water saving in most of enterprises, lack the index and the control device that can quantize.The medium-sized electroplating enterprise water for cleaning point of a general family can not be less than 10, if can effectively control the water yield, the potentiality of water saving are very huge.
Summary of the invention
Technical matters to be solved by this invention provides a kind of water-saving control device that can save the water consumption in the electroplate rinsing.
For solving the problems of the technologies described above, one embodiment of the invention propose a kind of water-saving control device, comprise water quality sensor, controller and moisturizing actuator.Water quality sensor detects and sends at least one water quality parameter of the water in the target container.Controller connects this water quality sensor; This controller comprises first setup unit and comparing unit; This first setup unit is preset a plurality of water quality ranks and can be received to wherein a water quality level is else selected the reference mark of the corresponding at least one water quality parameter of each water quality rank in these a plurality of water quality ranks; The moisturizing of a moisturizing actuator is controlled at the reference mark of the pairing water quality parameter of water quality rank that this water quality parameter and that this comparing unit relatively detects from this water quality sensor is selected according to this; The moisturizing actuator connects this controller, and wherein when this water quality parameter surpassed the reference mark of this selected pairing water quality parameter of water quality rank, this moisturizing actuator was controlled as to this target container and replenishes fresh water; When this water quality parameter reached the reference mark of this selected pairing water quality parameter of water quality rank, this moisturizing actuator was controlled as and stops to replenish fresh water to this target container.
In one embodiment of this invention, above-mentioned at least one water quality parameter comprises conductivity, pH value, ORP, turbidity, colourity, ion concentration and combination thereof.
In one embodiment of this invention; Above-mentioned moisturizing actuator replenishes fresh water with the basis of constant refill flow to this target container; And above-mentioned controller also comprises statistic unit, be used for a statistics in the cycle according to the time statistics water-saving amount and the water-saving rate that replenish fresh water to this target container.
In one embodiment of this invention, above-mentioned controller also comprises display unit, in order to water quality rank, water-saving amount and the water-saving rate that shows that this is selected.
In one embodiment of this invention, above-mentioned controller also comprises: second setup unit is used to receive the setting of a cycle period, a water-saving rate and a basic refill flow; And control module; Be used under the idle situation of said water quality sensor; Control this moisturizing actuator and replenish fresh water with this basis refill flow to a target container in the opening time in this cycle period; And in a shut-in time, stop to replenish fresh water to this target container, wherein should the opening time and this shut-in time be to confirm by this water-saving rate.
Another embodiment of the present invention proposes a kind of water-saving control device, comprises moisturizing actuator and controller.The moisturizing actuator is in order to replenish fresh water to a target container.Controller comprises setup unit and control module, and this setup unit is used to receive the setting of a cycle period, a water-saving rate and a basic refill flow; This this moisturizing actuator of control module control replenishes fresh water with this basis refill flow to this target container in the opening time in this cycle period; And in a shut-in time, stop to replenish fresh water to this target container, wherein should the opening time and this shut-in time be to confirm by this water-saving rate.
The present invention makes it compared with prior art owing to adopt above technical scheme, realizes reducing the plating piece water for cleaning amount in the plating production process, reaches water-saving result.The present invention can reduce water consumption as far as possible under the prerequisite that guarantees the plating piece cleaning quality, it is unapproachable that this water-saving result relies on labor management.
Description of drawings
For let above-mentioned purpose of the present invention, feature and advantage can be more obviously understandable, elaborate below in conjunction with the accompanying drawing specific embodiments of the invention, wherein:
Figure 1A and Figure 1B illustrate the water-saving control device structural drawing of one embodiment of the invention.
Fig. 2 illustrates a kind of water saving control flow of Figure 1A shown device.
Fig. 3 illustrates the another kind water saving control flow of Figure 1A shown device.
Fig. 4 A and 4B illustrate the water-saving control device structural drawing of another embodiment of the present invention.
Fig. 5 illustrates the water saving control flow of Fig. 4 A shown device of the present invention.
Fig. 6 illustrates the controller architecture figure of the water-saving control device of further embodiment of this invention.
Fig. 7 illustrates the water saving control flow of the present invention's device shown in Figure 6.
Embodiment
Figure 1A and Figure 1B illustrate water-saving control device structural drawing according to an embodiment of the invention.Please with reference to shown in Figure 1A and the 1B, the water-saving control device 100 of present embodiment comprises water quality sensor 110, controller 120 and moisturizing actuator 130.Water quality sensor 110 is in order to detect the water quality parameter of the water in the target container in the various industrial applications, and target container is to be that example describes with the potcher in the electroplating technology 2 in the present embodiment.Although a water quality sensor 110 exemplarily is shown among Figure 1A; But it is understandable that; Water quality sensor in the present embodiment can comprise a plurality of, and the water quality parameter that water quality sensor detected includes but not limited to, conductivity, pH value, ORP, turbidity, colourity, ion concentration etc.The water quality parameter that water quality sensor 110 is detected sends to controller 120.
Is example with conductivity as water quality parameter, the conductivity approximate range that possibly occur during the selecting apparatus operate as normal, and the lower limit of scope is reference with fresh supplemented water, the upper limit is reference with the high conductivity of plating piece water for cleaning acceptable.The setting of conductivity range does not need very accurate, in the zone that conductivity possibly occur when needing only operate as normal is included in, reserves certain surplus up and down and gets final product.Suppose that fresh supplemented water is tap water; Conductivity is generally about 600S/cm; And plating piece cleaning back electrical conductivity of water can not surpass 1400 μ S/cm (this can confirm through industrial experimentation and data accumulation), and conductivity range can be set at 500～1500 μ S/cm.Therefore 0 grade of-10 grades these 11 the pairing conductivity of water quality rank reference mark is respectively, and 500 μ S/cm are 0 grade, and 600 μ S/cm are 1 grade ..., 1300 μ S/cm are 8 grades, and 1400 μ S/cm are 9 grades, and 1500 μ S/cm are 10 grades.
In order to guarantee to clean the standard that back water quality is no more than 1400 μ S/cm, can a reference mark that be lower than this value and surplus is arranged be set to first setup unit 122, as be set at 1300 μ S/cm, promptly water quality is 8 grades.When rinse water water quality rank rose to more than 8 grades (promptly surpassing 1300 μ S/cm), the automatic valve of comparing unit 124 control moisturizing actuators 130 was opened, and fresh water adds in the potcher 2, and electrical conductivity of water descends thereupon in the groove; When the water quality rank was lower than 8 grades, the automatic valve of comparing unit 124 control moisturizing actuators 130 was closed and is stopped moisturizing, goes round and begins again, and the rinse water quality and grade does not remain on 8 grades, promptly about 1300 μ S/cm.For the water quality grade setting that includes one or more water quality parameters, its course of action is similar, no longer launches at this.
Other introduces the operation of having simplified rinse water Quality Control system greatly the water quality level.If hope to improve cleaning quality, can in first setup unit 122, the water quality rank be chosen to be 7 grades or lower again by 8 grades.Certainly allow like the fruit product cleaning quality, hope to improve water-saving rate, also can be in first setup unit 122 that the water quality rank is selected again to 9 grades or 10 grades by 8 grades.Substituted complicated various water quality parameters with the water quality rank that is easily understood, can make the demonstration of controller and operation more simple.In addition, controller 120 also comprises display unit 126, so that show preset water quality rank on the display screen.Therefore as need to change the water quality of washings, only need adjust the water quality rank simply, and need not be concerned about actual such as water quality parameters such as conductivity.
For ease of operation and management, also further support time setting of controller 120, password setting, minimum flow setting, conductivity are proofreaied and correct, measurement period is provided with etc.Be divided into basis instrument and seniorly be provided with two types according to rights of using, basis instrument supplies the regular job personnel to use, and senior the setting supplies the professional to use.
For example, controller 120 also comprises statistic unit 128.Before using water-saving control device, plating piece cleans with basis of constant flow V (m
3/ h) successively moisturizing.Use after the water-saving control device, through the automatic valve control moisturizing of moisturizing actuator 130, accumulative total has T in a statistic period T (min)
On(min) the time automatic valve is opened, and T is arranged
Off(min) time valve closing (T=T
On+ T
Off).Under the constant situation of supplementing water flow V, statistic unit 128 can count the water-saving amount Q (m in this measurement period
3) and water-saving rate R (%).
Q(m
3)＝V?T
off/60
R(％)＝T
off/T×100
Water-saving rate and water-saving amount can directly read on display screen through display unit 126, are convenient to grasp water-saving result.Time cycle can be made as day, month, year etc. as required.
In the present embodiment, the whether reasonable sensitivity that directly has influence on control of water quality sensor installation site.The position of water quality sensor was put near from moisturizing, its measured water quality is superior to the position away from moisturizing point, and it is thorough to cause the part plating piece to clean; The feedback time that then moisturizing effect far away was put from moisturizing in the position of water quality sensor is long, may cause that moisturizing is excessive, reduces water-saving rate.Because the installation site of water quality sensor receives the restriction of production equipment structure and plating piece operation, therefore need to combine actual conditions under the prerequisite that guarantees cleaning quality, to select as far as possible reasonably position.Preferably, water quality sensor is installed in the potcher identical with moisturizing point, and with moisturizing point at a distance of farthest position.
Fig. 2 illustrates a kind of water saving control flow 200 according to the device 100 of above description.With reference to shown in Figure 2, it comprises:
In step 201, controller 120 receive to a plurality of water quality levels other wherein a water quality level other is selected, wherein in first setup unit 122, the reference mark of the corresponding at least one water quality parameter of each water quality rank in preset a plurality of water quality ranks;
In step 202, water quality sensor 110 detects at least one water quality parameter of the water in the target container;
In step 203, compare the reference mark of water quality sensor 110 water quality parameter that detects and the pairing water quality parameter of selecting of water quality rank; When the water quality parameter of water quality sensor 110 detections surpasses the reference mark (being that current water quality is superior to expection water quality rank) of the selected pairing water quality parameter of water quality rank, get into step 204, moisturizing actuator 130 is to the additional fresh water of target container; When water quality sensor 110 detects water quality parameters and reaches the reference mark (being that current water quality rank reaches expection water quality rank) of the selected pairing water quality parameter of water quality rank, get into step 205, stop to replenish fresh water (i.e. water saving) to target container.
In the another kind water saving control flow 200a of device shown in Figure 3 100; Be further to judge when water quality sensor 110 detection water quality parameters are lower than the reference mark of the selected pairing water quality parameter of water quality rank (current water quality rank is lower than expection water quality rank), stop to replenish fresh water to target container in step 206; And when water quality sensor 110 detected water quality parameters and reaches the reference mark of the selected pairing water quality parameter of water quality rank, the moisturizing actuator can continue to maintain the original state (step 208), up to judge in step 207 surpass back stagnant.
In an embodiment of the present invention, above-mentioned flow process also can comprise and utilizes statistic unit 128 to count the water-saving amount Q (m in the statistics cycle
3) and water-saving rate R (%).And, show these water-saving amounts, water-saving rate and show selected water quality rank at display unit 126.
Fig. 4 A and 4B illustrate the water-saving control device structural drawing of another embodiment of the present invention, and it is to adopt the time type control model.The main effect of time type water-saving control device is for the user a kind of water saving instrument that can quantize, be convenient to regulate to be provided.The time type water-saving control device comprises controller 310 and moisturizing actuator 320, and controller 310 comprises setup unit 312, control module 314 and display unit 316, the setting and the control of the controlled variable that is used to economize on water.Water saving control major parameter comprises:
Cycle period T
c(min), the moisturizing actuator is opened, is closed once in this cycle;
The moisturizing actuator is at T
cOpening time T in cycle
On(min);
The moisturizing actuator is at T
cShut-in time T in cycle
Off(min);
Moisturizing minimum flow V (m
3/ h)
T
cWater-saving amount Q in cycle
c(m
3)
Statistic period T (min), this cycle comprises several cycle periods T
c
Water-saving amount Q (m in the statistic period T
3)
Water-saving rate R (%)
Two batches of plating piece scavenging period interval T
r(min)
Above parameter relation each other is:
T
c＝T
on+T
off
Q
c＝V×T
off/60
R＝T
off/T
c×100
T
c≈T
r
T＝∑T
c
Q＝T/T
c×Q
c
Utilize the program software of these parameters and mutual relationship exploitation to combine, can the easy water saving control operation and the data statistics of water-saving result be provided for the user with controller hardware.
Fig. 5 illustrates the water saving control flow 400 of device 300, and with reference to shown in Figure 5, it comprises that setup unit 312 receives the setting 401 of cycle period, water-saving rate and basic refill flow, and control module 314 is confirmed cycle period T according to water-saving rate
cInterior opening time T
OnWith shut-in time T
Off, and at opening time T
OnInner control moisturizing actuator 320 replenishes fresh water to potcher 2, stops to replenish fresh water 402 at shut-in time inner control moisturizing actuator 320 to potcher 2.
According to the principle of time type water saving controller, the high more (T of water-saving rate R
OffBig more, T
OnMore little) cleaning performance is poor more, and therefore can not ask water-saving rate and sacrifice cleaning performance.Cycle period T
cLength depend on the frequency that plating piece cleans.It is understandable that T
cShould be near T interval time of two batches of plating pieces cleanings
r, rinse water was in flow state when plating piece was cleaned.T
cThe excessive plating piece of some batch that possibly cause can not get effective cleaning, and the plating piece water for cleaning of some batch is excessive, T
cToo small (much smaller than T
r) then the action of moisturizing actuator is too frequent, influences serviceable life.Water-saving rate is identical, T
cIncorrect meeting is set causes bad cleaning performance.Can obtain relatively reasonable T through repeatedly testing
c
An application examples of present embodiment is following: certain electroplating assembly line type service time water saving controller, two crowdes of time interval T that plating piece cleans
rBe 6 minutes, cycle period T is set
cBe 5 minutes, preset water-saving rate R is 30%, and statistic period T is 8 hours (480 minutes), and moisturizing minimum flow V equals 1.0m
3/ h.(5 minutes 30%) moisturizing actuator is closed to have 1.5 minutes in per in process of production 5 minutes, opens in all the other 3.5 minutes, and water-saving amount is Q in this cycle period
cBe 0.025m
3(Q
c=V * T
Off/ 60=1 * 1.5/60), be 2.4m at a measurement period internal segment water inventory
3(Q=T/T
c* Q
c=480/5 * 0.025).Operating personnel think that the plating piece cleaning quality is normal after operation after a while; The leeway of economizing on water in addition; Through the controller function interface water-saving rate is brought up to 35%; Continue to observe the plating piece cleaning performance, finding to clean the plating piece surface has the position not wash down, for guaranteeing that cleaning quality adjusts back to 30% with water-saving rate again.Under plating piece shape and the essentially identical situation of plating piece frequency, it is suitable that 30% water-saving rate is set.The setting principle of water-saving rate is, guaranteeing to improve water-saving rate under the plating piece cleaning quality prerequisite, but must allow some leeway, and prevents that working conditions change from influencing cleaning quality.
It is pointed out that another embodiment of the present invention also can combine water quality detection and time control, thereby select the Different control pattern for use according to condition of different.Fig. 6 illustrates the controller architecture figure of the water-saving control device of present embodiment.Wherein the structure of water-saving control device and Figure 1A are similar, comprise water quality sensor, controller 420 and moisturizing actuator.On the basis of Figure 1B illustrated embodiment, controller 420 also comprises second setup unit 312 and control module 314 except that comprising first setup unit 122, comparing unit 124, display unit 126, statistic unit 128.With reference to shown in Figure 7, at sensor just often, be operated under the water quality mode by first setup unit 122, comparing unit 124, carry out flow process 200 or 200a; When sensor is undesired, be operated under the temporal mode with control module 314 by second setup unit 312, carry out flow process 400.
The water-saving control device of the above embodiment of the present invention; For the control and the saving of electroplate rinsing water provides a kind of science, easy, effective technical means; Realize minimizing of water consumption satisfying under the product quality prerequisite, and this water-saving result to rely on the manually-operated management be to be beyond one's reach.
Though the present invention discloses as above with preferred embodiment; Right its is not that any those skilled in the art are not breaking away from the spirit and scope of the present invention in order to qualification the present invention; When can doing a little modification and perfect, so protection scope of the present invention is when being as the criterion with what claims defined.
Claims (5)
1. water-saving control device comprises:
Water quality sensor detects and sends at least one water quality parameter of the water in the target container;
Controller; Connect this water quality sensor; This controller comprises first setup unit and comparing unit; This first setup unit is preset a plurality of water quality ranks and can be received to wherein a water quality level is else selected the reference mark of the corresponding at least one water quality parameter of each water quality rank in these a plurality of water quality ranks; The moisturizing of a moisturizing actuator is controlled at the reference mark of the pairing water quality parameter of water quality rank that this water quality parameter and that this comparing unit relatively detects from this water quality sensor is selected according to this;
The moisturizing actuator connects this controller, and wherein when this water quality parameter surpassed the reference mark of this selected pairing water quality parameter of water quality rank, this moisturizing actuator was controlled as to this target container and replenishes fresh water; When this water quality parameter reached the reference mark of this selected pairing water quality parameter of water quality rank, this moisturizing actuator was controlled as and stops to replenish fresh water to this target container, and wherein fresh water is that the water quality rank is lower than this selected other water of water quality level at least.
2. water-saving control device as claimed in claim 1 is characterized in that, described at least one water quality parameter comprises conductivity, pH value, ORP, turbidity, colourity, ion concentration and combination thereof.
3. water-saving control device as claimed in claim 1; It is characterized in that; Said moisturizing actuator replenishes fresh water with the basis of constant refill flow to this target container; Said controller also comprises statistic unit, be used for a statistics in the cycle according to the time statistics water-saving amount and the water-saving rate that replenish fresh water to this target container.
4. water-saving control device as claimed in claim 3 is characterized in that said controller also comprises display unit, in order to water quality rank, water-saving amount and the water-saving rate that shows that this is selected.
5. water-saving control device as claimed in claim 1 is characterized in that, said controller also comprises:
Second setup unit is used to receive the setting of a cycle period, a water-saving rate and a basic refill flow;
Control module; Be used under the idle situation of said water quality sensor; Control this moisturizing actuator and replenish fresh water with this basis refill flow to a target container in the opening time in this cycle period; And in a shut-in time, stop to replenish fresh water to this target container, wherein should the opening time and this shut-in time be to confirm by this water-saving rate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100528238A CN101923360B (en) | 2009-06-10 | 2009-06-10 | Water-saving control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100528238A CN101923360B (en) | 2009-06-10 | 2009-06-10 | Water-saving control device |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110448493.1A Division CN102411381B (en) | 2009-06-10 | 2009-06-10 | Water saving control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101923360A CN101923360A (en) | 2010-12-22 |
| CN101923360B true CN101923360B (en) | 2012-06-06 |
Family
ID=43338341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100528238A Expired - Fee Related CN101923360B (en) | 2009-06-10 | 2009-06-10 | Water-saving control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101923360B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104035351B (en) * | 2014-06-16 | 2016-08-24 | 衢州昀睿工业设计有限公司 | A kind of control circuit of Domestic waste water reutilizing apparatus |
| CN107450416B (en) * | 2017-09-20 | 2023-11-17 | 广东新合铝业有限公司 | Automatic water quality stabilizing device and method |
| CN110387573B (en) * | 2019-07-04 | 2021-01-05 | 广州兴森快捷电路科技有限公司 | Multi-waste liquid shunting method and electroplating production system |
| CN113249771A (en) * | 2021-04-12 | 2021-08-13 | 昆山沪利微电有限公司 | Electroplating production line with intelligent water replenishing function and water replenishing method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1395982A (en) * | 2002-03-21 | 2003-02-12 | 同济大学 | Automatic back-washing method for multi-parallel high-flow filter |
| CN2556195Y (en) * | 2002-07-19 | 2003-06-18 | 北京嘉润恒水务投资有限公司 | Water-making equipment with water-saving device |
| CN200951966Y (en) * | 2006-07-02 | 2007-09-26 | 王曾君 | Intelligent water treatment system automatic controlling device |
| CN201540466U (en) * | 2009-06-10 | 2010-08-04 | 上海轻工业研究所有限公司 | Water saving control device |
-
2009
- 2009-06-10 CN CN2009100528238A patent/CN101923360B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1395982A (en) * | 2002-03-21 | 2003-02-12 | 同济大学 | Automatic back-washing method for multi-parallel high-flow filter |
| CN2556195Y (en) * | 2002-07-19 | 2003-06-18 | 北京嘉润恒水务投资有限公司 | Water-making equipment with water-saving device |
| CN200951966Y (en) * | 2006-07-02 | 2007-09-26 | 王曾君 | Intelligent water treatment system automatic controlling device |
| CN201540466U (en) * | 2009-06-10 | 2010-08-04 | 上海轻工业研究所有限公司 | Water saving control device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101923360A (en) | 2010-12-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101923360B (en) | Water-saving control device | |
| CN101923361B (en) | Water-saving control method | |
| US20190105226A1 (en) | Systems and Methods for Providing Network Connectivity and Remote Monitoring, Optimization, and Control of Pool/Spa Equipment | |
| US9049821B1 (en) | Water flow control system | |
| US20100099193A1 (en) | System and method for monitoring and controlling quality of culture water and integrated water quality analyzer thereof | |
| US20210300804A1 (en) | Water characteristic selection system and method | |
| EP2174195B1 (en) | A system for the remote control of control units, even battery powered control units, for irrigation devices | |
| US20070219652A1 (en) | System for Monitoring and Controlling an Aquatic Environment | |
| US20020003084A1 (en) | Cathode current control system for a wafer electroplating apparatus | |
| CN1215699A (en) | Electrolyzed water production apparatus | |
| US20180224822A1 (en) | Systems and methods for providing network connectivity and remote monitoring, optimization, and control of pool/spa equipment | |
| CN201540466U (en) | Water saving control device | |
| AU2016265734C1 (en) | Garden watering controllers | |
| CN108112460A (en) | Based on monolithic processor controlled automatic irrigation system | |
| CN104516339A (en) | Method for optimizing chemical intermittent production operation and optimized production operation system | |
| CN211909993U (en) | Environment self-adaptive sprinkling irrigation control system | |
| CN102411381A (en) | Water saving control device | |
| CN1182306C (en) | Control unit for fluid control valves | |
| ES2418365T3 (en) | Dispenser with multiple modes of operation | |
| CN105271398A (en) | Hydrolysis integrated system and working method thereof | |
| KR20180078420A (en) | Enery saving system for marinenursery facilities based on Internet of Things(IoT) | |
| CN104240402A (en) | IC (Integrated Circuit)-card intelligent self-service car washer with networking function | |
| WO2020232468A1 (en) | Systems and methods for sensorless estimation of water softener salt level and regeneration cycling | |
| Pan et al. | An approach of reinforcement learning based lighting control for demand response | |
| CN207392326U (en) | A kind of bathtub water system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120606 Termination date: 20180610 |