CN1195104C - Sterilizing for storing water - Google Patents
Sterilizing for storing water Download PDFInfo
- Publication number
- CN1195104C CN1195104C CNB02140710XA CN02140710A CN1195104C CN 1195104 C CN1195104 C CN 1195104C CN B02140710X A CNB02140710X A CN B02140710XA CN 02140710 A CN02140710 A CN 02140710A CN 1195104 C CN1195104 C CN 1195104C
- Authority
- CN
- China
- Prior art keywords
- water
- electrode
- tank
- operational amplifier
- output voltage
- 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
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Classifications
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F6/00—Air-humidification, e.g. cooling by humidification
- F24F6/02—Air-humidification, e.g. cooling by humidification by evaporation of water in the air
- F24F6/04—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using stationary unheated wet elements
- F24F6/043—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using stationary unheated wet elements with self-sucking action, e.g. wicks
-
- 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
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F6/00—Air-humidification, e.g. cooling by humidification
- F24F2006/006—Air-humidification, e.g. cooling by humidification with water treatment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F6/00—Air-humidification, e.g. cooling by humidification
- F24F2006/008—Air-humidifier with water reservoir
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Air Humidification (AREA)
Abstract
The present invention provides a sterilizing device for stored water with which chlorine odor is suppressed and sterilizing effect is kept almost constant even when electrical conductivity of the stored water varies. When water of electrical conductivity different from that of reference water is supplied into a water tank 2, reference voltage V1 changes correspondingly to change of electrical conductivity of water in the water tank 2, output voltage of a first operational amplifier 31 changes, output voltage V3 of a second operational amplifier 32 changes and output voltage of a third operational amplifier 33 also changes. Consequently, current flowing in a fifth transistor 25 is also changed and current i1 flowing in an electrode 4 is corrected. Thereby amount of free residual chlorine generated at the electrode 4 is corrected and amount of the free residual chlorine approaches an amount when the reference water is supplied into the water tank 2, thus sterilizing effect of the water is maintained and chlorine odor of humidified air is suppressed.
Description
Technical field
The present invention relates to a kind of sterilising plant of the storage water that the water of storage in the groove is sterilized.The sterilising plant that for example relates to the storage water that is used for humidifier, beverage dispenser, washing machine, ice-making machine and cooling-water machine etc., be particularly related to the sterilising plant of the water of preserving in the tank in damping device, this damping device utilizes capillarity to suct in the water vapour supply chamber of water-absorbing body gasification of the water in the described tank by gas blower being immersed in by a part in the tank.
Background technology
It is known opening the disclosed ultrasonic wave damping device of flat 5-115818 communique as damping device the spy.This ultrasonic wave damping device supplies water in the oxidation trough that ultrasonic oscillator is arranged, and is made water fogging by described oscillator, and mixes in the air supply chamber that generates humidification from outside inhaled air.
But, in described ultrasonic wave damping device, exist the gasification groove that dirt is arranged, breeding and to indoor problem of emitting easily such as legionella.For this reason, consider following damping device, the electrode of the material that sterilization functions can be arranged is buried in the water of described tank, utilize capillarity to suct damping device in the water vapour supply chamber of water-absorbing body gasification of the water in the described tank in this tank being immersed in by a part by gas blower.
But,, do not have treated water to be discharged to indoor problem so still exist owing to often carry out at set intervals and the irrelevant sterilising treatment of the state and composition of water yet.
Summary of the invention
In order to address the above problem, applicant of the present invention proposes following scheme, promptly the electrode that can have the material of sterilization functions is buried in the water of described tank, by between described electrode, flowing through electric current, the damping device of the water in this tank being sterilized by the free residual chlorine that produces.
But in above-mentioned damping device, owing to use the fixed current circuit, what flow through between electrode is the fixed current that can not change with the conductivity (to call electric conductivity in the following text) of the different electricity of water trough inner water, so the electric conductivity difference of water trough inner water.For example make the dispersion degree of generation of free residual chlorine very big and (be 60uS/cm with the electric conductivity of wide city tap water in Japan for the regional electric conductivity difference of using because of damping device, electric conductivity at Sapporo city tap water is 145uS/cm, is 240uS/cm in the electric conductivity of bridge city tap water.)。There is free residual chlorine generation in its result after a little while, and is poor to the sterilising effect of water; Described generation for a long time, from the big problem of the chlorine flavor of humidifier to the humidifying air of indoor supply.
Therefore, even the object of the present invention is to provide a kind of electric conductivity also not only can not keep almost changeless sterilising effect simultaneously but also can suppress the sterilising plant of the storage water of chlorine flavor at storage water.
For this reason, the characteristics of a first aspect of the present invention are, in the sterilising plant that the water in the storage groove is sterilized, the electrode of the material that sterilization functions can be arranged is buried in the water of described tank, the control device of controlling electric current between the described electrode according to the electric conductivity of the water in the described storage groove is set simultaneously, this control device in the running with the regulation cycle repeatedly to described electrifying electrodes and no power.
The characteristics of a second aspect of the present invention are, in the sterilising plant that the water in the storage groove is sterilized, the electrode of the material that sterilization functions can be arranged is buried in the water of described tank, the electric conductivity that detects the water in the described storage groove is set simultaneously, and according to the control device of electric current between the described electrode of this electric conductivity correction, this control device in the running with cycle of regulation repeatedly to described electrifying electrodes and no power.
The characteristics of a third aspect of the present invention are, in the sterilising plant that the water in the storage groove is sterilized, the electrode of the material that sterilization functions can be arranged is buried in the water of described tank, correction circuit is set simultaneously, it has the amplifying circuit that changes output voltage based on input voltage, its input voltage changes based on electric current between the described electrode, its electric current changes based on the electric conductivity of the water in the described storage groove again, and this correction circuit is according to the electric current between the different described electrode of output voltage correction of this amplifying circuit.
Description of drawings
Fig. 1 is the side elevational view of damping device;
Fig. 2 is the controlling party block diagram;
Fig. 3 is the correction circuit figure of free residual chlorine content.
Embodiment
Though the present invention relates to the sterilising plant of the storage water that is used for humidifier, beverage dispenser, washing machine and cooling-water machine etc., following only is example with the humidifier, embodiments of the present invention are described with reference to the accompanying drawings.In Fig. 1, the 1st, the supply tank on damping device with prismatic casing; The 2nd, by 3 water receiving tanks of preserving from the water of supply tank 1 of pipeline.
Then, pair of electrodes 4 described later is set in water receiving tank 2, also can be installed in electrode 4 on the pipeline 3.In addition, the float of not expressing among the figure is set on water receiving tank 2, when the water level of the arrival of the water in the described water receiving tank 2 regulation is following, makes the switch motion that does not have expression among the figure, make operation force to stop.
In addition, cellular humidification is set with water-absorbing body 5 in described water receiving tank 2, makes its end (part) under water, this humidification is drawn onto the top to the water in this tank 2 by capillary phenomenon with water-absorbing body 5.This humidification can constitute with the non-woven fabrics of being made by acryl fibre and trevira etc. with water-absorbing body 5.
Then, by the discharge of on the body of damping device, offering with opening (not having expression among the figure) by means of the air draft that constitutes by fan and fan electromotor 15 with blower fan 6, entering indoor with the water vapour that water-absorbing body 5 has gasified from described humidification.
Described electrode 4 for example matrix is Ti (titanium) and makes two electrode plate of upper layer by Ir (iridium), Ta (tantalum), Pt (platinum), is 40 MAHs at electrical current, produces the free residual chlorine concentration (for example 1ppm) of regulation and obtains sterilization, antipollution effect.
Controlling party block diagram to Fig. 2 describes below.The 10th, the minicomputer (following title microcomputer) that this damping device is totally controlled, portion has within it: as the central processing unit CPU11 of controller, the RAM (random access memory) 12 of store various kinds of data, stored program ROM (read-only storage) 13 and clock 14.
Described microcomputer 10 is to send sterilization order of being undertaken by described electrode 4 and the device of giving an order with the fan electromotor 15 of blower fan 6 to described air draft.Particularly, previous order, as when humidification moves, described electrode 4 was switched in the T1+T2 time, in T3+T4 time in cold cycle, switched on repeatedly and cold control.In addition, on described microcomputer 10, be connected the correction circuit 16 of the free remaining chlorine dose relevant with the present invention with P2 by passage P1, connection electrode 4 on correction circuit 16.Then, be controlled at the generation that electric current that electrode 4 flows through is revised free residual chlorine by correction circuit 16.
After carrying out such control, after by the water energising of described electrode 4 in described pipeline 3, water is at anode, 4H
++ 4e
-+ (4OH
-) become 2H
2+ (4OH
-); At negative electrode 2H
2O becomes 4H
++ O
2+ 4e
-, the chlorine that contains in water simultaneously (adding in advance in tap water) is at anode 2Cl
-Become Cl
2+ 2e
-, in addition, because Cl
2(chlorine) is soluble in water, so further Cl
2+ H
2O becomes HClO+HCl.
Thereby,, produce the HClO (hypochlorous acid) of the strong free residual chlorine of sterilizing power by giving electrode 4 energisings.
Below, describe according to the correction circuit 16 of Fig. 3 pair of free remaining chlorine dose relevant with the present invention.
21 to 25 is respectively transistor, the 26th, be used for each electrode 4 disassembled and assembled freelies be connected terminal between the transistor 22,24 and (cleaning, will carry out dismounting when changing electrode.), 31,32,33 is respectively first, second and the 3rd operational amplifier that constitutes amplifying circuit, R1, R2 are the resistance (to call decision benchmark value resistance in the following text) that is used to determine to revise benchmark value, R3 is restriction direct current resistance, R4, R5 are the resistance (to call direct current resistance between determining electrode in the following text) of electric current between the determining electrode 4,4, and R6, R7 are decision correction resistance.Described transistor 21 to 26, electrode 4,4, first, second links together as shown in Figure 3 with the 3rd operational amplifier 31,32,33 and resistance R 1, R2, R3, R4, R5, R6, R7.In addition, VDD1 is an impressed voltage.Like this,, can be easy to constitute correction circuit 16, make correction circuit 16 simpler by a plurality of transistors 21 to 25 and first, second and the 3rd operational amplifier 31,32,33.
Below, the benchmark value of revising is described.Electric conductivity is got the mean number of the tap water of all Japan.For example the water of 150uS/cm is put into described tank 2 as reference water, if the votage reference between the transistor 24,25 is V1, if the output voltage of first operational amplifier 31 is V2, if the output voltage of second operational amplifier is V3, make correction circuit work, so that when VDD1=20V (volt), R1=R2, V1=10V, R3=100 Ω (ohm), R4=9K Ω, R5=1K Ω, V1=V2=V3 then; The current i 1 that flows through at electrode 4 becomes 10mA (milliampere).
Structure according to above describes action according to Fig. 3.At first add tap water and install the body of damping device in supply tank 1, water just passes through pipeline 3 from supply tank 1 by valve and delivers to the water receiving tank 2 like this, and described humidification drinks up the water in the water receiving tank 2 equably with water-absorbing body 5.
Then, if to the conduction time of described electrode 4 is T1+T2, if the no power time (energization interval time) is T3+T4, connect not shown run switch, connect power supply to damping device, conduction time during T1+T2 passage P1, the P2 in the microcomputer 10 be in lower level (to call lower level in the following text) together.For this reason, first, second and the 3rd transistor 21,22 and 23 conductings, then the 4th also conducting of transistor 24.By first, second operational amplifier 31,32 the 3rd operational amplifier 33 output voltages, 25 conductings of the 5th transistor.As a result, electrode 4 flows through electric current.At this moment, when the water in tank 2 becomes reference water, flow through the electric current of 10mA as mentioned above, in tank 2, produce free residual chlorine.
Below, the action when electric conductivity being higher than the water supply tank 2 of reference water describes.As mentioned above, at interface P1, when P2 is in lower level, first, second and the 3rd transistor 21,22 and 23 conductings, then the 4th also conducting of transistor 24, by first, second operational amplifier 31,32 the 3rd operational amplifier 33 output voltages, 25 conductings of the 5th transistor.As a result, electrode 4 flows through electric current.At this moment, because the electric conductivity height of the water in the tank 2, reference voltage V 1 increases, and the output voltage of first operational amplifier 31 improves, and second operational amplifier, 32 output voltage V 3 descend, and at this moment, the output voltage of the 3rd operational amplifier 33 also descends.
Along with the output voltage decline of the 3rd operational amplifier 33, the electric current that flows through the 5th transistor 25 also reduces, and the current i 1 that flows through electrode 4 is such as dropping to 5mA.As a result, the generation of the free residual chlorine on electrode 4 is to few adjustment in direction, and the amount of free residual chlorine can avoid producing in the humidifying air chlorine flavor near the situation that reference water is fed to tank 2.
Then, the action when electric conductivity being lower than the water supply tank 2 of reference water describes.At interface P1, when P2 is in lower level, as mentioned above, by first, second operational amplifier 31,32 the 3rd operational amplifier 33 output voltages, the 5th transistor 25 is connected, and electrode 4 flows through electric current.At this moment, because the electric conductivity of the water in the tank 2 is low, reference voltage V 1 reduces, and the output voltage of first operational amplifier 31 descends, and the output voltage V 3 of second operational amplifier 32 increases, and at this moment, the output voltage of the 3rd operational amplifier 33 also increases.
Along with the output voltage increase of the 3rd operational amplifier 33, the electric current that flows through the 5th transistor 25 also increases, and the current i 1 that flows through electrode 4 increases.As a result, the generation of the free residual chlorine on electrode 4 is to many adjustment in direction, and the amount of free residual chlorine can keep the sterilising effect of water near the situation that reference water is fed to tank 2.
Like this, although owing to use place (for example area) difference of damping device, be fed to the electric conductivity difference of the water in the tank 2, automatically revised corresponding to this electric current that flows through electrode 4, the generation of the free residual chlorine on electrode 4 also is corrected, the amount of free residual chlorine can also suppress to produce in the humidifying air chlorine flavor near the situation that reference water is fed to tank 2 in the certain sterilising effect of maintenance.
More than, the electric current of crossing electrode 4 by controlling flow makes indoor humidification action become following mode.That is, the water in the tank 2 is drunk up with water-absorbing body 5 with humidification, the humidification that has mixed with the water vapour that has gasified from this water-absorbing body 5 with 6 of blower fans by means of air draft air enter damping device this be external indoor.
In addition, by to described electrode 4 energisings, at anode, 2Cl
-Become Cl
2+ 2e
-, in addition, because Cl
2(chlorine) is soluble in water, so Cl as mentioned above
2+ H
2O becomes HClO+HCl.Thereby produce the strong HclO (hypochlorous acid) of sterilizing power.Like this, can prevent the breeding of legionella, intestinal bacteria and other mushroom, can be to indoor discharging legionella etc.
In addition,, can regulate its resistance value arbitrarily, thereby also can regulate benchmark value, its result, the amount that can in amendable scope, regulate free residual chlorine by the resistance R 1 or the R2 of decision benchmark value are made variable resistor.
More than embodiments of the invention are illustrated.According to above-mentioned explanation, those of ordinary skill in the art can carry out all replacements, variation and modification.Therefore, all replacements, variation and the modification etc. of the carrying out in not breaking away from aim scope of the present invention all comprise within the scope of the present invention.
Have under the different electric conductivity situations even above-mentioned the present invention can provide at storage water, also can keep almost changeless sterilising effect, suppress the sterilising plant of the storage water of chlorine flavor simultaneously.
Claims (2)
1, a kind of sterilising plant of preserving water, it is the storage water sterilising plant that the water in the storage groove is sterilized, it is characterized in that: the electrode of the material that sterilization functions can be arranged is buried in the water of described tank, the control device of controlling electric current between the described electrode according to the electric conductivity of the water in the described storage groove is set simultaneously, this control device in the running with the regulation cycle repeatedly to described electrifying electrodes and no power.
2, the sterilising plant of storage water as claimed in claim 1, it is characterized in that, has amplifying circuit at described control device, and be connected with correction circuit, described amplifying circuit is based on input voltage and changes output voltage, this input voltage changes based on electric current between the described electrode, and this electric current changes based on the electric conductivity of the water in the described storage groove again, and the difference that described correction circuit is based on described amplifying circuit output voltage is revised the electric current between the described electrode.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP313156/2001 | 2001-10-10 | ||
| JP2001313156A JP3813481B2 (en) | 2001-10-10 | 2001-10-10 | Humidifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1410361A CN1410361A (en) | 2003-04-16 |
| CN1195104C true CN1195104C (en) | 2005-03-30 |
Family
ID=19131693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB02140710XA Expired - Fee Related CN1195104C (en) | 2001-10-10 | 2002-07-12 | Sterilizing for storing water |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP3813481B2 (en) |
| KR (1) | KR100509998B1 (en) |
| CN (1) | CN1195104C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11459692B2 (en) | 2019-01-31 | 2022-10-04 | Ecolab Usa Inc. | Laundry machine kit to enable control of water levels, recirculation, and spray of chemistry |
| US11525200B2 (en) | 2019-01-31 | 2022-12-13 | Ecolab Usa Inc. | Controller for a rinse water reuse system and methods of use |
| US11572652B2 (en) | 2019-01-31 | 2023-02-07 | Ecolab Usa Inc. | Controlling water levels and detergent concentration in a wash cycle |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007319779A (en) * | 2006-05-31 | 2007-12-13 | Sanyo Electric Co Ltd | Apparatus for generating weakly-electrolytic water and method for correcting concentration of electrolytic water |
| JP2007319775A (en) * | 2006-05-31 | 2007-12-13 | Sanyo Electric Co Ltd | Apparatus for generating weakly-electrolytic water and method for correcting concentration of electrolytic water |
| CN103940021B (en) * | 2014-04-12 | 2016-06-29 | 大连双迪创新科技研究院有限公司 | Air humidifier |
| FR3031936B1 (en) * | 2015-01-23 | 2017-02-17 | Valeo Systemes Thermiques | NEBULIZING AIR REFRESHING DEVICE FOR MOTOR VEHICLE |
| KR101883215B1 (en) * | 2016-10-25 | 2018-08-30 | 탁효성 | Sterilizing apparatus using electric power |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11155419A (en) * | 1997-09-29 | 1999-06-15 | Akio Sawashita | Apparatus for eluting copper ion, sterilization, and sterilizing and cleaning apparatus |
-
2001
- 2001-10-10 JP JP2001313156A patent/JP3813481B2/en not_active Expired - Fee Related
-
2002
- 2002-07-12 CN CNB02140710XA patent/CN1195104C/en not_active Expired - Fee Related
- 2002-10-09 KR KR10-2002-0061352A patent/KR100509998B1/en not_active IP Right Cessation
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11459692B2 (en) | 2019-01-31 | 2022-10-04 | Ecolab Usa Inc. | Laundry machine kit to enable control of water levels, recirculation, and spray of chemistry |
| US11525200B2 (en) | 2019-01-31 | 2022-12-13 | Ecolab Usa Inc. | Controller for a rinse water reuse system and methods of use |
| US11572652B2 (en) | 2019-01-31 | 2023-02-07 | Ecolab Usa Inc. | Controlling water levels and detergent concentration in a wash cycle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1410361A (en) | 2003-04-16 |
| KR20030030907A (en) | 2003-04-18 |
| JP2003117555A (en) | 2003-04-22 |
| KR100509998B1 (en) | 2005-08-26 |
| JP3813481B2 (en) | 2006-08-23 |
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Granted publication date: 20050330 |