Magnetic confinement excimer ultraviolet disinfection device and method for testing photoelectric conversion rate of magnetic confinement excimer ultraviolet disinfection device

Abstract

The invention discloses a magnetic confinement excimer ultraviolet disinfection device and a method for testing the photoelectric conversion rate thereof, the magnetic confinement excimer ultraviolet disinfection device comprises a plurality of excimer ultraviolet radiators, magnetic induction coils and strong magnets, each excimer ultraviolet radiator comprises a high-voltage electrode pool, a low-voltage electrode pool and a closed gas chamber, and the closed gas chamber is filled with medium gas; ionized water and a strong magnet are arranged in the high-voltage electrode pool, the multiple low-voltage electrode pools are communicated to form a disinfection flow channel, and the magnetic induction coil surrounds the excimer ultraviolet radiator and is matched with the strong magnet to form a superimposed magnetic field, so that excimers generated when medium gas is excited are magnetically constrained, and the motion trail of the excimers is changed. The photoelectric conversion rate is improved, so that the collision probability among excimers is increased, the light intensity of ultraviolet rays formed during the collision of the excimers is further ensured, and ultraviolet disinfection is synchronously performed on a to-be-disinfected body flowing through the low-voltage electrode pool, so that the light intensity of the ultraviolet rays is effectively increased by improving the photoelectric conversion rate, the damage to a biological structure of a pathogen is accelerated, and the disinfection efficiency is further improved.

Description

Technical Field

[0001] The invention relates to the technical field of decontamination, in particular to a magnetically constrained excimer ultraviolet disinfection device and a test method for its photoelectric conversion rate. Background Art

[0002] Disinfection is a necessary process to inactivate bacteria in water and air. Among them, ultraviolet disinfection is the most commonly used method. Compared with chemical disinfection, ultraviolet disinfection can effectively inactivate most pathogens without producing any by-products or developing drug resistance.

[0003] Currently, most ultraviolet disinfection uses mercury lamps to remove microorganisms such as Escherichia coli, Staphylococcus aureus and many other pathogens in water or air. However, mercury lamp disinfection has problems such as long preheating time, high energy consumption and low photoelectric conversion rate. Summary of the invention

[0004] To this end, in order to solve the above problems, the present invention provides a magnetically confined excimer ultraviolet disinfection device and a testing method for its photoelectric conversion rate, which can effectively increase the ultraviolet light intensity and accelerate the destruction of the biological structure of pathogens by improving the photoelectric conversion rate, thereby greatly improving the disinfection efficiency.

[0005] To achieve the above purpose, the technical solution provided by the present invention is as follows:

[0006] The present invention provides a magnetically confined excimer ultraviolet disinfection device, comprising a plurality of excimer ultraviolet radiators and a magnetic induction coil and a strong magnet matched with each excimer ultraviolet radiator; the excimer ultraviolet radiator comprises a high-voltage electrode pool for electrically connecting a high-voltage electrode, a low-voltage electrode pool for electrically connecting a low-voltage pole, and a sealed air chamber arranged between the high-voltage electrode pool and the low-voltage electrode pool; a dielectric gas for exciting excimers and generating ultraviolet rays is arranged in the sealed air chamber; the high-voltage electrode pool and the corresponding low-voltage electrode pool cooperate together to form an electric field for exciting excimers in the corresponding sealed air chamber; ionized water and the strong magnet are arranged in the high-voltage electrode pool; The low-voltage electrode pool is provided with an inlet for connecting the object to be disinfected and an outlet for leading the object to be disinfected. The inlet and the outlet are respectively located on opposite sides of the low-voltage electrode pool, and the inlet and the outlet of every two low-voltage electrode pools are connected to each other, so that multiple low-voltage electrode pools are connected to form a disinfection flow channel; the magnetic induction coil surrounds the corresponding excimer ultraviolet radiator, and cooperates with the strong magnet to form a superimposed magnetic field, so that the excimers generated when the medium gas is excited are magnetically constrained, and the movement trajectory of the excimers is changed to increase the collision probability between the excimers, thereby ensuring the ultraviolet light intensity formed when the excimers collide, and simultaneously forming an ultraviolet disinfection setting for the object to be disinfected flowing through the low-voltage electrode pool.

[0007] Furthermore, the excimers in the sealed air chamber undergo spiral collisions to increase the collision probability between the excimers, thereby increasing the intensity of ultraviolet light generated when the excimers collide.

[0008] Furthermore, the magnetic field strength formed by the ferromagnet is at least 6000 Gauss; the ferromagnet is a cylindrical neodymium iron boron magnet, and the axial direction of the ferromagnet is parallel to the axial direction of the closed air chamber.

[0009] Furthermore, the strong magnet is used to form an axial magnetic field, and the magnetic induction coil is used to form a radial magnetic field. The axial magnetic field is perpendicular to the radial magnetic field, so as to form a three-dimensional confinement zone for the excimers excited in the closed air chamber and stably move on a fixed spiral orbit, thereby preventing the excimers from escaping from the confinement zone.

[0010] Furthermore, a plurality of excimer ultraviolet radiators are stacked in sequence up and down; the inlet and outlet of two adjacent low-voltage electrode pools are connected to each other through a spiral pipe, so that the disinfection flow channel forms an S-shaped spiral flow channel, thereby ensuring the single ultraviolet radiation amount received by the microorganisms in the body to be disinfected in the disinfection flow channel.

[0011] Furthermore, the ionized water of the plurality of high-voltage electrode cells is interconnected to ensure that each excimer ultraviolet radiator is excited simultaneously during discharge.

[0012] Furthermore, the high-voltage electrode pool is provided with an ion water channel opening, and the ion water channel openings of a plurality of high-voltage electrode pools are connected to each other through connecting pipes.

[0013] Furthermore, the medium gas includes halogen gas and rare gas.

[0014] Furthermore, the high-voltage electrode pool and the corresponding low-voltage electrode pool are arranged with an upper and lower spacing, and are separated by the corresponding closed air chamber to form a flat electric field structure.

[0015] The present invention provides a testing method for the photoelectric conversion rate of the magnetically constrained excimer ultraviolet disinfection device. An oscilloscope is connected to the voltage and current interfaces of an alternating current power supply of the magnetically constrained excimer ultraviolet disinfection device to measure the output voltage and frequency of the alternating current power supply until the oscilloscope forms a sine wave curve of current and voltage in a YT format, and then a Lissajous figure in an XY format is drawn according to the sine wave curve. After that, the Lissajous figure is integrated to finally calculate the output efficiency of the alternating current power supply. The output efficiency of the alternating current power supply corresponds to the photoelectric conversion rate of the magnetically constrained excimer ultraviolet disinfection device.

[0016] The technical solution provided by the present invention has the following beneficial effects:

[0017] The sealed air chamber is provided with a dielectric gas for exciting excimers and generating ultraviolet rays, and an electric field is formed in the corresponding sealed air chamber under the cooperation of the high-voltage electrode pool and the corresponding low-voltage electrode pool, so that the dielectric gas in the corresponding sealed air chamber excites the excimers and generates ultraviolet rays. Then, the magnetic induction coil is surrounded by the corresponding excimer ultraviolet radiator and cooperates with the corresponding strong magnet to form a superimposed magnetic field, so that the excimers generated when the dielectric gas is excited are magnetically constrained, and the movement trajectory of the excimers is changed to increase the collision probability between the excimers, thereby ensuring that the ultraviolet light intensity formed when the excimers collide is large enough, and simultaneously realizing ultraviolet disinfection of the object to be disinfected flowing through the disinfection flow channel. In this way, the photoelectric conversion rate can be improved to effectively increase the ultraviolet light intensity and accelerate the destruction of the biological structure of the pathogen, thereby greatly improving the disinfection efficiency, and ensuring fast response and low power consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The figure shows a cross-sectional view of the magnetically confined excimer ultraviolet disinfection device in the first embodiment;

[0019] Figure 2 The figure shows the appearance of the box body in the first embodiment. DETAILED DESCRIPTION

[0020] To further illustrate the various embodiments, the present invention provides drawings. These drawings are part of the disclosure of the present invention, which are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, a person of ordinary skill in the art should be able to understand other possible implementations and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0021] The present invention will now be further described with reference to the accompanying drawings and specific implementation methods.

[0022] Embodiment 1

[0023] Reference Figure 1 and Figure 2 As shown, the first embodiment provides a magnetically confined excimer ultraviolet disinfection device (hereinafter referred to as the disinfection device) for performing ultraviolet sterilization on an object to be disinfected that is contaminated by pathogens (such as water or air containing pathogens).

[0024] The disinfection device of the present embodiment includes three excimer ultraviolet radiators 100 and a magnetic induction coil 13 and a strong magnet 11 matched with each excimer ultraviolet radiator 100, each excimer ultraviolet radiator 100 includes a high-voltage electrode pool 1 for electrically connecting the high-voltage electrode, a low-voltage electrode pool 2 for electrically connecting the low-voltage pole, and a sealed air chamber 3 arranged between the high-voltage electrode pool 1 and the low-voltage electrode pool 2, the high-voltage electrode pool 1 is filled with ionized water, and the strong magnet 11 is arranged in the high-voltage electrode pool 1, and the high-voltage electrode and the low-voltage pole are respectively electrically connected to the power supply end of the AC power supply. Of course, the wall of the sealed air chamber 3 of the excimer ultraviolet radiator 100, the high-voltage electrode pool 1 and the low-voltage electrode pool 2 can all transmit ultraviolet light in the ultraviolet band.

[0025] The three sealed air chambers 3 are each provided with a dielectric gas for exciting excimers and generating ultraviolet rays, and the specific dielectric gas includes halogen gas and rare gas (such as helium).

[0026] The three high-voltage electrode pools 1 cooperate with the corresponding low-voltage electrode pools 2 to form an electric field for exciting excimers in the corresponding closed air chambers 3.

[0027] Each of the three low-voltage electrode pools 2 is provided with an inlet 21 for connecting the body to be sterilized and an outlet 22 for leading the body to be sterilized. The inlet 21 and the outlet 22 are respectively located on opposite sides of the low-voltage electrode pool 2, and the inlet 21 and the outlet 22 of every two low-voltage electrode pools 2 are connected to each other, so that multiple low-voltage electrode pools 2 are connected to form a disinfection flow channel.

[0028] The three magnetic induction coils 13 are respectively surrounded by the corresponding excimer ultraviolet irradiator 100, and cooperate with the corresponding strong magnet 11 to form a superimposed magnetic field, so that the excimers generated when the dielectric gas in the closed air chamber 3 is excited are magnetically constrained, and the motion trajectory of the excimers is changed to increase the collision probability between the excimers, thereby ensuring the ultraviolet light intensity formed when the excimers collide, and synchronously form an ultraviolet disinfection setting for the object to be disinfected flowing through the low-voltage electrode pool 2, and through the cooperation of magnetic confinement and electric field, to improve the photoelectric conversion rate. Of course, compared with the disinfection device based on the existing dielectric barrier discharge plasma reactor, the ultraviolet radiation intensity of the disinfection device of this embodiment is greater, so the power supply power can be reduced accordingly, and the flowing object to be disinfected is heat exchanged with the excimer ultraviolet irradiator 100 to take away heat, so as to ensure that the operating temperature of the excimer ultraviolet irradiator 100 remains within a reasonable range, so as to extend the ultraviolet radiation time and reduce the overall energy consumption.

[0029] In this embodiment, Figure 1 The three excimer ultraviolet irradiators 100 are stacked one above the other and mounted on a Figure 2In the box body 200 shown, an integral body is formed, and the inlet 21 of the excimer ultraviolet irradiator 100 located at the uppermost layer is the inlet of the box body 200 (also the inlet of the disinfection device), and the outlet 22 of the excimer ultraviolet irradiator 100 located at the lowermost layer is the outlet of the box body 200 (also the outlet of the disinfection device). Of course, the specific shape and structure of the box body 200 are determined by the disinfection requirements, the flow to be processed, or the simulated visualized flow field.

[0030] The inlet 21 and the outlet 22 of two adjacent low-voltage electrode cells 2 are connected to each other through the corresponding spiral pipe 23, so that the disinfection flow channel forms an S-shaped spiral flow channel, thereby ensuring the single ultraviolet radiation amount received by the microorganisms in the body to be disinfected in the disinfection flow channel, that is, a single cycle can be exposed to ultraviolet radiation at least 3 times, so the ultraviolet radiation dose of a single cycle can be increased, which can reduce the number of cycles, but can achieve a better disinfection effect, and the S-shaped spiral flow channel can form a vortex flow field, and the centrifugal force of the flow field can be used to evenly disperse the microorganisms in the body to be disinfected, thereby ensuring that the ultraviolet rays emitted by the excimer ultraviolet radiator 100 can evenly irradiate the microorganisms in various areas of the body to be disinfected and achieve a complete disinfection effect.

[0031] Compared with a disinfection channel formed by only one excimer ultraviolet radiator 100 or one low-voltage electrode pool 2, the residence time of microorganisms in the disinfection channel with a very short total length is insufficient, that is, they cannot receive sufficient ultraviolet radiation in such a short residence period, but are more likely to be in a photoreactivation state, which makes it impossible to achieve effective sterilization. Therefore, the radiation power of the excimer ultraviolet radiator 100 can only be increased to ensure inactivation, but the unit energy consumption is large and the sterilization effect is poor.

[0032] Of course, during the circulation of the object to be sterilized in the sterilization channel, the fluid (i.e. the flowing object to be sterilized) can cool down the excimer ultraviolet radiator 100, that is, effectively take away the heat generated by the molecular ultraviolet radiator in the photoelectric conversion process to ensure that the sterilization device can continue to work normally, and is therefore suitable for large-scale and industrial applications.

[0033] To be more specific, the ion water of the three high-voltage electrode pools 1 are interconnected, that is, each high-voltage electrode pool 1 is respectively provided with an ion water channel opening, and the ion water channel openings of the three high-voltage electrode pools 1 are respectively connected to each other through a connecting pipe 12 to ensure that each excimer ultraviolet radiator 100 is excited at the same time during discharge, so as to realize the synchronous operation of each disinfection functional area of ​​the entire disinfection device.

[0034] In this specific embodiment, Figure 1As shown, the high-voltage electrode pool 1 and the corresponding low-voltage electrode pool 2 of each excimer ultraviolet radiator 100 are arranged with an upper and lower spacing, and are separated by the corresponding closed air chamber 3 to form a flat electric field structure, and the three strong magnets 11 are cylindrical neodymium iron boron magnets, which form a magnetic field strength of at least 6000 Gauss, and the axial direction of the strong magnet 11 is parallel to the axial direction of the closed air chamber 3.

[0035] During specific implementation, the high-voltage electrode pool 1 and the low-voltage electrode pool 2 cooperate to form an electric field acting on the dielectric gas to put it in an excited state and generate ultraviolet rays. At the same time, the strong magnet 11 is used to form an axial magnetic field, and the magnetic induction coil 13 is used to form a radial magnetic field. The axial magnetic field is perpendicular to the radial magnetic field to form a three-dimensional confinement zone for the quasi-molecules excited in the closed air chamber 3, and stably move on a fixed spiral orbit, thereby preventing the quasi-molecules from escaping from the confinement zone. At the same time, the quasi-molecules in the closed air chamber 3 undergo spiral collisions to increase the probability of collision between quasi-molecules, thereby increasing the intensity of ultraviolet rays formed when the quasi-molecules collide.

[0036] A dielectric gas for exciting excimers and generating ultraviolet rays is provided in the sealed air chamber 3, and an electric field is formed in the corresponding sealed air chamber 3 under the cooperation of the high-voltage electrode pool 1 and the corresponding low-voltage electrode pool 2, so that the dielectric gas in the corresponding sealed air chamber 3 excites excimers and generates ultraviolet rays. Then, the magnetic induction coil 13 is surrounded by the corresponding excimer ultraviolet radiator 100, and cooperates with the corresponding strong magnet 11 to form a superimposed magnetic field, so that the excimers generated when the dielectric gas is excited are magnetically constrained, and the movement trajectory of the excimers is changed to increase the collision probability between the excimers, thereby ensuring that the ultraviolet light intensity formed when the excimers collide is large enough, and simultaneously realizing ultraviolet disinfection of the object to be disinfected flowing through the disinfection flow channel, so that the photoelectric conversion rate can be improved to effectively increase the ultraviolet light intensity and accelerate the destruction of the biological structure of the pathogen, thereby greatly improving the disinfection efficiency, and also ensuring fast response and low power consumption.

[0037] Of course, in other embodiments, the number of excimer ultraviolet radiators 100 may be two or more than four, and the number of excimer ultraviolet radiators 100 may be determined according to the degradation conditions of bacteria or viruses.

[0038] Embodiment 2

[0039] Example 2 The disinfection device of Example 1 is used to carry out three comparison group experiments, but the difference is that the disinfection device of the first comparison group is not provided with a magnetic induction coil, the magnetic induction coil of the disinfection device of the second comparison group is not provided with a soft magnetic core (the induced magnetic field intensity of the magnetic induction coil of the second comparison group is weaker), and the magnetic induction coil of the disinfection device of the third comparison group is provided with a soft magnetic core (the induced magnetic field intensity of the magnetic induction coil of the third comparison group is greater than that of the second comparison group). In the three comparison group experiments, the digital oscilloscope is connected to the high-voltage AC power supply of the corresponding disinfection device to verify the influence of different magnetic fields on the output efficiency and photoelectric conversion rate of the AC power supply, that is, the oscilloscope is connected to the voltage and current interface of the AC power supply of the magnetically constrained excimer ultraviolet disinfection device to measure the output voltage and frequency of the AC power supply until the oscilloscope forms a sine wave curve of current and voltage in YT format, and then draws a Lissajous figure in XY format according to the sine wave curve, and then integrates the Lissajous figure to finally calculate the output efficiency of the AC power supply.

[0040] In addition, the test method analyzes the integral value of the Lissajous figure and compares the output efficiency of the AC power supply of the disinfection device under no magnetic field, weak magnetic field and strong magnetic field conditions to evaluate the impact of the magnetic field on the output efficiency of the AC power supply of the disinfection device. At this time, the output efficiency of the AC power supply is proportional to the photoelectric conversion rate of the magnetically confined excimer ultraviolet disinfection device.

[0041] The experimental steps of this specific embodiment are as follows:

[0042] Step 1: Turn on the AC power supply and apply a 50V output voltage to the high-voltage electrode and the low-voltage electrode to excite the dielectric gas in the closed gas chamber (i.e., convert it into plasma) to radiate a quasi-molecular light source (i.e., ultraviolet light source) in the ultraviolet band, and then continue to increase the voltage to 100 to 150V until the power output of the AC power supply is stable.

[0043] Step 2: First confirm the power parameters of the AC power output, use a spectrometer or radiometer to measure the intensity of the ultraviolet light radiated by the excimer ultraviolet radiator, and confirm the ultraviolet band and excitation state of the radiation, and record the voltage and current sine wave curves on the oscilloscope. At this time, the voltage and current sine wave curves include the discharge state and related data under the magnetic field state.

[0044] Step 3: Then, the first comparison group without magnetic induction coils, the second comparison group with magnetic induction coils without soft magnetic cores, and the third comparison group with magnetic induction coils with soft magnetic cores are tested in sequence, as follows:

[0045] The first comparison group: discharge without magnetic induction coil, the plasma on the discharge end surface comes from the shorter middle bright area and the uniform plasma afterglow area. At this time, the plasma light intensity is weak and its brightness is also dim. There is a 4μs phase difference between the sinusoidal current curve and voltage curve on the oscilloscope. The corresponding Lissajous figure is relatively stable. After calculating the integral value of the Lissajous figure, it is determined that the output efficiency of the AC power supply is 68%.

[0046] The second comparison group: when discharging under the premise of the magnetic induction coil without a soft magnetic core, the plasma in the middle bright area diverges radially. Compared with the first comparison group, the brightness of the ultraviolet light in the second comparison group increases, and the phase difference between the sinusoidal current curve and the voltage curve on the oscilloscope is reduced to 2μs. The Lissajous figure produces a certain oscillation trend, and the output efficiency of the AC power supply obtained by integrating it is 71%.

[0047] The third comparison group: when discharging under the premise of a magnetic induction coil with a soft magnetic core, the radial size of the plasma in the middle bright area is further reduced compared with the second comparison group, but the brightness of the ultraviolet light continues to increase, indicating that the magnetic confinement effect of the plasma is enhanced, the phase difference between the sinusoidal current curve and the voltage curve on the oscilloscope is 0, and the oscillation trend of the Lissajous figure becomes larger, and the output efficiency of the AC power supply obtained by integrating it is 75%.

[0048] In addition, based on the multi-band plasma emission spectrum, the light intensity ratio method is adopted, and the excitation temperature of the plasma is calculated according to the wavelength of the emitted light. The result is that the excitation temperature of the plasma under the magnetic confinement of the magnetic field formed by the magnetic induction coil is significantly increased, and its ultraviolet light intensity is 10 to 15% higher than that when there is no magnetic field formed by the magnetic induction coil. Therefore, the magnetic field confinement formed by the magnetic induction coil can enhance the discharge effect of the plasma and has an enhancing effect on the discharge performance or the photoelectric conversion rate.

[0049] Embodiment 3

[0050] Example 3 uses the disinfection devices of the first comparison group and the third comparison group of Example 2, and performs ultraviolet disinfection tests on Escherichia coli in aqueous solution samples, respectively. By comparing the ζ potential (i.e., Zeta potential) or Escherichia coli cell concentration under different magnetic fields, the effects of different magnetic fields on harmful bacteria are evaluated.

[0051] First, the existing calculation software was used to simulate the reaction residence time required for E. coli to circulate once in the disinfection device. Then, the concentration of 1×10 6.5The E. coli aqueous solution with CFU / mL was passed through the disinfection devices of the three comparison groups respectively and circulated twice in total. Each comparison group was subjected to 6 combination experiments according to the combination of temperature 29°C or 37°C and pH value of the aqueous solution 6, 7 or 8. Then, the ζ potential of the E. coli cells in the aqueous solution samples after ultraviolet disinfection of each comparison group was measured (using C 大肠杆菌 The degradation rate of Escherichia coli in the third comparison group (C in Table 1) was determined by comparing the first comparison group with the third comparison group. 大肠杆菌 coli degradation rate) were all greater than those of the first comparison group, and the ζ potentials measured for the bacterial suspensions of the third comparison group were all less than those of the first comparison group.

[0052] Table 1: Test table of the concentration of E. coli cells in aqueous solution samples after UV disinfection in each comparison group

[0053]

[0054] In summary, based on the experimental results of the two comparison groups, it can be shown that the cell structure of pathogens such as bacteria or microorganisms is unstable and easily degraded under the cooperation of the stronger magnetic field formed by the magnetic induction coil.

[0055] Although the present invention has been specifically shown and described in conjunction with the preferred embodiments, it should be understood by those skilled in the art that various changes may be made to the present invention in form and details without departing from the spirit and scope of the present invention as defined by the appended claims, all of which are within the scope of protection of the present invention.

Claims

1. A magnetically confined excimer ultraviolet disinfection device, characterized in that: The invention comprises a plurality of excimer ultraviolet irradiators and a magnetic induction coil and a strong magnet matched with each excimer ultraviolet irradiator; The excimer ultraviolet radiator comprises a high-voltage electrode pool for electrically connecting to a high-voltage electrode, a low-voltage electrode pool for electrically connecting to a low-voltage electrode, and a sealed air chamber disposed between the high-voltage electrode pool and the low-voltage electrode pool; The sealed air chamber is provided with a dielectric gas for exciting excimers and generating ultraviolet rays; the high-voltage electrode pool and the corresponding low-voltage electrode pool cooperate with each other to form an electric field for exciting excimers in the corresponding sealed air chamber; The high-voltage electrode pool is provided with ionized water and the strong magnet; the low-voltage electrode pool is provided with an inlet for receiving the object to be disinfected and an outlet for leading the object to be disinfected, the inlet and the outlet are respectively located on opposite sides of the low-voltage electrode pool, and the inlet and the outlet of every two low-voltage electrode pools are connected to each other, so that a plurality of low-voltage electrode pools are connected to form a disinfection flow channel; The magnetic induction coil surrounds the corresponding excimer ultraviolet radiator and cooperates with the strong magnet to form a superimposed magnetic field, so that the excimers generated when the medium gas is excited are magnetically constrained and the movement trajectory of the excimers is changed to increase the collision probability between the excimers, thereby ensuring the intensity of ultraviolet light formed when the excimers collide, and simultaneously forming an ultraviolet disinfection setting for the object to be disinfected flowing through the low-voltage electrode pool.

2. The magnetically confined excimer ultraviolet disinfection device according to claim 1, characterized in that: The excimers in the sealed air chamber undergo spiral collisions to increase the collision probability between the excimers, thereby increasing the intensity of ultraviolet light generated when the excimers collide.

3. The magnetically confined excimer ultraviolet disinfection device according to claim 2, characterized in that: The magnetic field strength formed by the strong magnet is at least 6000 Gauss; the strong magnet is a cylindrical neodymium iron boron magnet, and the axial direction of the strong magnet is parallel to the axial direction of the closed air chamber.

4. The magnetically confined excimer ultraviolet disinfection device according to claim 3, characterized in that: The strong magnet is used to form an axial magnetic field, and the magnetic induction coil is used to form a radial magnetic field. The axial magnetic field is perpendicular to the radial magnetic field, so as to form a three-dimensional confinement zone for the excimers excited in the closed air chamber, and stably move on a fixed spiral track, thereby preventing the excimers from escaping from the confinement zone.

5. The magnetically confined excimer ultraviolet disinfection device according to claim 1, characterized in that: A plurality of excimer ultraviolet radiators are stacked up and down in sequence; the inlets and outlets of two adjacent low-voltage electrode pools are connected to each other through a spiral pipe, so that the disinfection flow channel forms an S-shaped spiral flow channel, thereby ensuring the single ultraviolet radiation amount received by the microorganisms in the body to be disinfected in the disinfection flow channel.

6. The magnetically confined excimer ultraviolet disinfection device according to any one of claims 1 to 5, characterized in that: The ionized water of multiple high-voltage electrode cells is interconnected to ensure that each excimer ultraviolet radiator is excited simultaneously during discharge.

7. The magnetically confined excimer ultraviolet disinfection device according to claim 6, characterized in that: The high-voltage electrode pool is provided with ion water channel openings, and the ion water channel openings of the plurality of high-voltage electrode pools are connected to each other through connecting pipes.

8. The magnetically confined excimer ultraviolet disinfection device according to any one of claims 1 to 5, characterized in that: The medium gas includes halogen gas and rare gas.

9. The magnetically confined excimer ultraviolet disinfection device according to any one of claims 1 to 5, characterized in that: The high-voltage electrode pool and the corresponding low-voltage electrode pool are arranged with an upper and lower spacing, and are separated by the corresponding closed air chamber to form a flat electric field structure.

10. A method for testing the photoelectric conversion efficiency of the magnetically confined excimer ultraviolet disinfection device according to any one of claims 1 to 9, characterized in that: An oscilloscope is connected to the voltage and current interfaces of the AC power supply of the magnetically confined excimer ultraviolet disinfection device to measure the output voltage and frequency of the AC power supply until the oscilloscope forms a sine wave curve of current and voltage in YT format, and then a Lissajous figure in XY format is drawn according to the sine wave curve. The Lissajous figure is then integrated to finally calculate the output efficiency of the AC power supply; the output efficiency of the AC power supply corresponds to the photoelectric conversion rate of the magnetically confined excimer ultraviolet disinfection device.

Images