CN113683162B - Integrated rechargeable monitorable portable plasma activated water generation device - Google Patents
Integrated rechargeable monitorable portable plasma activated water generation device Download PDFInfo
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- CN113683162B CN113683162B CN202111010366.3A CN202111010366A CN113683162B CN 113683162 B CN113683162 B CN 113683162B CN 202111010366 A CN202111010366 A CN 202111010366A CN 113683162 B CN113683162 B CN 113683162B
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/4608—Treatment of water, waste water, or sewage by electrochemical methods using electrical discharges
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/305—Treatment of water, waste water, or sewage by irradiation with electrons
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/4606—Treatment of water, waste water, or sewage by electrochemical methods for producing oligodynamic substances to disinfect the water
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
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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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/02—Temperature
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Abstract
The invention discloses an integrated chargeable portable plasma activated water generation device capable of monitoring, which comprises a water container and a container sealing cover, wherein a temperature and pH tester is arranged in the water container, a temperature sensor and a pH sensor are connected to the temperature and pH tester, the temperature sensor and the pH sensor extend to the bottom of the water container, a liquid crystal display screen is arranged on the outer side wall of the water container, the liquid crystal display screen is electrically connected with the temperature and pH tester, a plasma generator and an air pump are arranged in the container sealing cover, and the plasma generator inputs air through the air pump. The invention adopts the pulse power technology, integrates a self-made small-sized high-voltage pulse power supply, has small volume and light weight, is very convenient for maintenance and installation, adopts the high-frequency transformer to manufacture the switching power supply, improves the conversion efficiency, has easy modulation of the output waveform, good energy-saving effect and high output stability, and can have stronger adaptability to the change of the load.
Description
Technical Field
The invention relates to the technical field of activated water preparation, in particular to an integrated rechargeable monitorable portable plasma activated water generation device.
Background
The common disinfection and sterilization method mainly comprises a mechanical disinfection method, a physical disinfection method, a chemical disinfection and sterilization method and the like, the plasma activated water prepared by gas-liquid discharge is used as a new high-efficiency disinfection and sterilization technology, the application of the technology in actual production and life is more and more extensive, in the preparation process of the plasma activated water, active particles in plasma and liquid level generate a series of physical and chemical reactions, and after mass transfer into water, the active particles generate further chemical reactions to generate hydrogen peroxide, superoxide anions, hydroxyl radicals, peroxynitrite and the like, and the active particles can damage cell membranes of microorganisms, change the permeability of cells and cause cell death. The plasma activated water used for sterilization has the advantages of high-efficiency cleaning, energy conservation, environmental protection and the like.
The existing activated water preparation schemes mainly fall into two categories, one is that water is activated by using a low-frequency resonance principle, and the disclosure number is as follows: the low-frequency resonance water activating device of CN 106904682A; the publication numbers are: CN105016435A discloses a low frequency resonance water activating device. The other is the activation of water by plasma technology, as disclosed in the publication: dielectric barrier discharge activated water devices disclosed in CN110461080A and CN 108408843A; the publication number is: the underwater discharging device described in CN108383205A adopts an underwater metal electrode structure.
The above conventional technologies all have their own advantages and disadvantages, but generally have the following technical problems:
1. the low-frequency resonance method for preparing the activated water has a blank area or a weakened area of a magnetic field, even the activated water cannot effectively play an activating role due to the over weakening of the magnetic field, and the activated water has large volume and is difficult to transport;
2. the high-voltage electrode which is arranged in the water and used for preparing the activated water by adopting the plasma method in the form of liquid-phase discharge is very easy to corrode, the applied voltage ratio is higher, the gas consumption is large, the gas-liquid discharge only occurs in a fixed area, and the treatment area is small and uneven;
3. the change conditions of the pH value and the temperature in the water cannot be monitored in real time.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, 1, the preparation of activated water by a low-frequency resonance method has a magnetic field blank area or a weakened area, and even the activated water can not effectively play an activating role because of the excessive weakening of a magnetic field, and has large volume and difficult transportation; 2. the high-voltage electrode which is placed in water and adopts the liquid-phase discharge mode for preparing the activated water by the plasma method is very easy to corrode, the applied voltage ratio is high, the discharge of the gas-liquid discharge mode only occurs in a fixed area, and the treatment area is small and uneven; 3. the change situation of the pH value and the temperature in the water can not be monitored in real time, and an integrated rechargeable and monitorable portable plasma activated water generation device is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
an integrated rechargeable monitorable portable plasma activated water generating device comprises a water container and a container sealing cover, a temperature and pH tester is arranged in the water container, the temperature and pH tester is connected with a temperature and pH sensor, the temperature and pH sensors extend to the bottom of the water container, a liquid crystal display screen is arranged on the outer side wall of the water container, the liquid crystal display screen is electrically connected with the temperature and pH tester, a plasma generator and an air pump are arranged in the container sealing cover, the plasma generator inputs gas through an air pump, the plasma generator is connected with a high-voltage generator, one side of the high-voltage generator is connected with a pressure boosting device, the inner side of the sealing cover of the container is also provided with a lithium battery, one side of the lithium battery is connected with a PWM pulse generation device, and the PWM pulse generation device is electrically connected with the boosting device through an IGBT driving circuit module.
Preferably, the plasma generator comprises a polytetrafluoroethylene dielectric plate fixed in the cylindrical shell, a plurality of ceramic tubes are fixedly connected to the bottom side of the polytetrafluoroethylene dielectric plate, a high-voltage electrode is inserted into each ceramic tube, and the high-voltage electrodes penetrate through the polytetrafluoroethylene dielectric plate and are connected with the main high-voltage electrode through a metal plate.
Preferably, main high-voltage electrode passes through rubber buffer fixed connection at the last top surface of cylinder shell, electrode fixed orifices and air vent have been preset respectively to cylinder top shell top surface, main high-voltage electrode passes the electrode fixed orifices and is connected with high voltage generator, the air vent is connected with the gas output end of air pump through the pipeline.
Preferably, the number of the ceramic tubes and the number of the high-voltage electrodes are seven, the high-voltage electrodes are distributed in a regular hexagon, and the distance between the seven high-voltage electrodes and the reaction liquid level of the activated water is 5-8 mm.
Preferably, the outside of the sealed lid of container is provided with switch and the lithium battery interface that charges respectively, wherein the lithium battery interface that charges is used for charging of lithium cell.
Preferably, the outer side wall of the water container is fixedly connected with a cup handle, the cup handle is of a C-shaped structure, and anti-skid lines are arranged on the surface of the cup handle.
Preferably, the bottom edge of the sealing cover of the container is provided with an annular sealing ring, and the upper side surface of the water container is provided with an embedded groove matched with the annular sealing ring.
Preferably, the capacity of the lithium battery is 7000mAh, the power supply voltage is 7.4V, the amplitude of the square wave signal generated by the PWM pulse generation device is 7-25V, the duty ratio is 1% -90%, and the frequency is 1 Hz.
Compared with the prior art, the invention has the beneficial effects that:
1. the plasma generator integrates the driving power supply, the power supply system and the plasma generator, adopts the rechargeable battery for power supply, does not depend on commercial power, can normally work without power supply outdoors, and has wide application scenes.
2. The device can prepare the activated water with proper pH value and temperature according to different treatment requirements by the pH sensor and the temperature sensor which monitor the parameters of the activated water in real time through the liquid crystal display screen, has lighter volume than the prior device, is convenient to disassemble and assemble, is simple and convenient to operate, has high use flexibility, and improves the convenience of the preparation of the activated water.
3. The invention adopts the pulse power technology, integrates a self-made small-sized high-voltage pulse power supply, has small volume and light weight, is very convenient for maintenance and installation, adopts the high-frequency transformer to manufacture the switching power supply, improves the conversion efficiency, has easy modulation of the output waveform, good energy-saving effect and high output stability, and can have stronger adaptability to the change of the load.
4. The plasma generator has the advantages that the discharge is generated in a gas phase, the high-voltage electrode and the ground electrode are not contacted with liquid in the whole process, the electrode is effectively prevented from being corroded, the plasma generator can continuously work for a long time, the plasma generator is ingenious in structural design, the gas outlet holes are uniformly distributed and are moderate in size, the working gas with small flow can uniformly flow out of each gas hole, and the gas utilization rate is high.
5. The ceramic tube has better sealing property, the introduced working gas can uniformly flow out of the ceramic tube and fully participate in discharge reaction, the utilization rate of the gas is improved, a good effect can be achieved under a smaller gas flow, the gas consumption is better reduced, the cost is saved, the height of the high-voltage electrode can be flexibly adjusted according to the position of the liquid level, and the flow of the introduced working gas is adjustable, so that the ceramic tube is suitable for preparing activated water with different capacities.
Drawings
FIG. 1 is a schematic diagram of an integrated rechargeable and monitorable portable plasma-activated water generating device according to the invention;
FIG. 2 is a schematic diagram of a plasma generator;
FIG. 3 is a bottom view of the structure of FIG. 2;
FIG. 4 is a schematic external view of an integrated rechargeable monitorable portable plasma activated water generating device according to the invention;
fig. 5 is a schematic diagram of an equivalent power supply in a working state of the high-voltage generator.
In the figure: 1-temperature, pH sensor, 2-temperature, the device comprises a pH tester, a 3-liquid crystal display screen, a 4-water container, a 5-plasma generator, a 501-ceramic tube, a 502-polytetrafluoroethylene dielectric plate, a 503-high-voltage electrode, a 504-main high-voltage electrode, a 505-vent hole, a 6-air pump, a 7-high-voltage generator, an 8-boosting device, a 9-IGBT driving circuit module, a 10-power switch, an 11-lithium battery charging interface, a 12-lithium battery, a 13-PWM pulse generating device, a 701-charging interface, a 702-direct current storage battery, a 703-boosting module, a 704-PWM pulse generator, a 705-IGBT circuit switch, a 706-high-frequency transformer, a 707-equivalent grounding end and a 708-reactor equivalent load.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Referring to fig. 1-4, an integrated rechargeable monitorable portable plasma activated water generating device comprises a water container 4 and a container sealing cover, wherein one side of the water container 4 is fixedly connected with a cup handle, a temperature and pH tester 2 is arranged in the water container 4, a temperature and pH sensor 1 is connected on the temperature and pH tester 2, the temperature and pH sensor 1 extends to the bottom of the water container 4, a liquid crystal display 3 is arranged on the outer side wall of the water container 4, the liquid crystal display 3 is electrically connected with the temperature and pH tester 2, a plasma generator 5 and an air pump 6 are arranged in the container sealing cover, the plasma generator 5 comprises a polytetrafluoroethylene medium plate 502 fixed in a cylindrical shell, a plurality of ceramic tubes 501 are fixedly connected to the bottom side of the polytetrafluoroethylene medium plate 502, a high-voltage electrode 503 is inserted in each ceramic tube 501, the high-voltage electrode 503 penetrates through the polytetrafluoroethylene medium plate 502 and is connected with a main high-voltage electrode 504 through a metal plate, the number of the ceramic tubes 501 and the number of the high-voltage electrodes 503 are seven, the high-voltage electrodes 503 are distributed in a regular hexagon shape, the distance between the seven high-voltage electrodes 503 and the reaction liquid level of the activated water is 5-8mm and is adjustable, the main high-voltage electrode 504 is fixedly connected to the upper top surface of the cylindrical shell through a rubber plug, electrode fixing holes and vent holes 505 are respectively preset on the top surface of the cylindrical shell, the main high-voltage electrode 504 penetrates through the electrode fixing holes to be connected with the high-voltage generator 7, the vent holes 505 are connected with the gas output end of the gas pump 6 through a pipeline, the plasma generator 5 inputs gas through the gas pump 6, and the high-voltage generator 7 is connected to the plasma generator 5.
One side of the high-voltage generator 7 is connected with a boosting device 8, the inner side of the sealing cover of the container is also provided with a lithium battery 12, one side of the lithium battery 12 is connected with a PWM pulse generating device 13, the capacity of the lithium battery 12 is 7000mAh, the power supply voltage is 7.4V, the amplitude of a square wave signal generated by the PWM pulse generating device 13 is 7-25V, the duty ratio is 1% -90%, the frequency is 1Hz, the continuous work can be carried out for 6-8 hours after the lithium battery is fully charged once, the PWM pulse generating device 13 is electrically connected with the boosting device 8 through an IGBT driving circuit module 9, the outer side of the sealing cover of the container is respectively provided with a power switch 10 and a lithium battery charging interface 11, wherein the lithium battery charging interface 11 is used for charging the lithium battery 12, so that the device is integrally chargeable, is convenient to carry, is not restricted by the environment, can be used for preparing activated water anywhere, the outer side wall of the water container 4 is fixedly connected with a cup handle, and the cup handle is C font structure, and the cup handle surface is equipped with anti-skidding line, and the sealed bottom edge of lid of container is provided with annular seal, and the side of going up of water container 4 is seted up the embedded groove with annular seal matched with, and the sealed lid of container covers water container 4 back for the leakproofness of device is good.
More specifically: wherein the principle of the high-voltage pulse power output of the high-voltage generator 7 is specifically shown in fig. 5, the basic principle circuit of the high-voltage pulse power output is composed of a charging port 701, a direct-current storage battery 702, a boosting module 703, a PWM pulse generator 704, an IGBT circuit switch 705, a high-frequency transformer 706, an equivalent grounding terminal 707 and a reactor equivalent load 708, the power supply voltage of the direct-current storage battery 702 is 7.4V, the direct-current storage battery directly supplies power to the PWM signal generator 704 and an IGBT driving circuit, the IGBT driving circuit supplies power to the IGBT circuit switch 705, the voltage of the direct current is boosted by the boosting module Boost to 30V, the PWM signal generator 704 can generate a square wave signal with amplitude of 7-25V, duty ratio of 1% -90% and frequency of 1Hz, the current is transmitted to the boosting transformer 706 after passing through the boosting module 703 again, the final output is connected with the reactor equivalent load 708 and the equivalent load 707, when the power switch is switched on, the pulse circuit can generate high voltage of 0-10kV, and the voltage waveform is sinusoidal alternating current, unipolar pulse or bipolar pulse.
The specific working principle of the invention is as follows: the high-voltage generator 7 outputs high voltage, working gas is introduced into the vent holes 505 and flows to the ceramic tube 501 to penetrate through the ceramic tube, the plasma is generated between the liquid surface and the electrodes through the back-generating discharge, a series of physical and chemical reactions occur at the liquid interface, active particles such as hydroxyl radicals, nitrite, ozone and the like in the plasma are transferred to the liquid under the working gas flow, the active particles can damage cell membranes of microorganisms, the permeability of the cells is changed, and the cells are killed, wherein the flow rate of the working gas can be adjusted within the range of 0-1800mL/min, activated water with different pH values and temperatures is prepared according to the degree of treating the activated water, and meanwhile, the flow rate and the type of the gas can be adjusted to realize the generation of different types of active particles.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. An integrated chargeable portable plasma activated water generation device capable of monitoring comprises a water container (4) and a container sealing cover, and is characterized in that a temperature and pH tester (2) is arranged in the water container (4), the temperature and pH tester (2) is connected with a temperature and pH sensor (1), the temperature and pH sensor (1) extends to the bottom of the water container (4), a liquid crystal display (3) is arranged on the outer side wall of the water container (4), the liquid crystal display (3) is electrically connected with the temperature and pH tester (2), a plasma generator (5) and an air pump (6) are arranged in the container sealing cover, the plasma generator (5) inputs air through the air pump (6), a high-voltage generator (7) is connected to the plasma generator (5), and a boosting device (8) is connected to one side of the high-voltage generator (7), the inner side of the container sealing cover is also provided with a lithium battery (12), one side of the lithium battery (12) is connected with a PWM (pulse-width modulation) pulse generating device (13), and the PWM pulse generating device (13) is electrically connected with the boosting device (8) through an IGBT (insulated gate bipolar transistor) driving circuit module (9);
the plasma generator (5) comprises a first polytetrafluoroethylene dielectric plate (502) fixed in a cylindrical shell, a plurality of ceramic tubes (501) are fixedly connected to the bottom side of the first polytetrafluoroethylene dielectric plate (502), a high-voltage electrode (503) penetrates through the first polytetrafluoroethylene dielectric plate (502) and is connected with a main high-voltage electrode (504) through a second polytetrafluoroethylene dielectric plate, the main high-voltage electrode (504) is fixedly connected to the upper top surface of the cylindrical shell through a rubber plug, electrode fixing holes and vent holes (505) are respectively preset in the top surface of the cylindrical shell, the main high-voltage electrode (504) penetrates through the electrode fixing holes and is connected with the high-voltage generator (7), and the vent holes (505) are connected with the gas output end of the gas pump (6) through a pipeline;
the number of the ceramic tubes (501) and the number of the high-voltage electrodes (503) are seven, the high-voltage electrodes (503) are distributed in a regular hexagon, and the distance between the seven high-voltage electrodes (503) and the reaction liquid level of the activated water is 5-8 mm.
2. The integrated rechargeable monitorable portable plasma-activated water generating device according to claim 1, wherein the sealing cover of the container is provided on its outer side with a power switch (10) and a lithium battery charging interface (11), respectively, wherein the lithium battery charging interface (11) is used for charging the lithium battery (12).
3. The integrated rechargeable monitorable portable plasma-activated water generation device according to claim 1 and characterized in that a cup handle is fixedly connected to the outer side wall of the water container (4) and is of a C-shaped structure, and anti-skid lines are arranged on the surface of the cup handle.
4. The integrated rechargeable monitorable portable plasma activated water generation device according to claim 1, wherein an annular sealing ring is arranged at the bottom edge of the sealing cover of the container, and an embedded groove matched with the annular sealing ring is formed in the upper side face of the water container (4).
5. The integrated rechargeable monitorable portable plasma-activated water generator according to claim 1, wherein said lithium battery (12) has a capacity of 7000mAh and a supply voltage of 7.4V, said PWM pulse generator (13) generates square wave signal with amplitude of 7-25V, duty ratio of 1-90% and frequency of 1 Hz.
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| CN1832904A (en) * | 2003-07-30 | 2006-09-13 | 金玉顺 | Ionized-water supplying apparatus using in-water plasma discharging |
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