Spectrometer for in-situ photocatalytic reaction of magnetic resonance spectrometer

Abstract

The invention discloses a spectrograph for in-situ photocatalytic reaction of a magnetic resonance spectrometer. The spectrograph comprises a xenon lamp, a collecting lens and a shell, the middle of the collecting lens is a semi-elliptical-table-shaped collecting cavity, the long axis of the collecting cavity is provided with a first focus and a second focus, the first focus is provided with a light-emitting center of the xenon lamp, and the second focus is fixedly provided with an optical filter and an optical fiber. The light is reflected to the optical filter by the light-gathering cavity to generate light with different wavelengths, and then the light is collected by the optical fiber and guided into the magnetic resonance spectrometer to react with a test sample; xenon lamp light is a continuous spectrum, the spectrum line range is wide, and the whole test sample can be radiated, so that the xenon lamp light can react with the whole test sample; the light-gathering cavity is an elliptical table body, and the light moves along the shortest path, so that the light is reflected at the second focal point, and the light intensity at the second focal point is relatively high. Therefore, the light energy generated by the design and all the test samples are subjected to photocatalytic reaction, and the light intensity is relatively high.

Description

Technical Field

[0001] The invention relates to a spectrometer device, belonging to the technical field of magnetic resonance spectrometer accessories, and in particular to a spectrometer used for in-situ photocatalytic reaction of a magnetic resonance spectrometer. Background Art

[0002] When using a magnetic resonance spectrometer, it is necessary to introduce light generated by a light source to carry out a photocatalytic reaction.

[0003] A Chinese patent application with application number 202220228398.4 and application date January 27, 2022 discloses a miniature ultraviolet spectrometer, including a detection box, a gas delivery pipe and a gas storage box, wherein the gas delivery pipe is connected to the top of the detection box, and the temperature and humidity in the device can be detected by the combination of a temperature sensor and a humidity sensor, and the cooling fan can be started to cool the device, and the battery is started to generate heat in the heating resistor, and then the heat is blown away by the cooling fan, and the temperature can be raised, and the transmission rod is forced to move downward, driving the slide plate to move vertically downward, and then the buffer spring is pulled for buffering, and as the slide plate continues to move vertically downward, the connecting rod connected to the bottom of the slide plate drives the slide plate to move relative to each other, and then the compression spring between the slide plates can buffer the impact force. Although this design avoids the situation where the detection accuracy is affected by the lack of constant temperature and buffer settings when detecting gas, it still has the following defects: The light source used in this design is ultraviolet light. Ultraviolet light devices are not only expensive and have a small scope of application, but also the light source spectrum range of the light generated by the device is narrow, that is, the light generated can only irradiate part of the sample, so the light can only undergo photocatalytic reaction with part of the test sample.

[0004] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the application, and should not be regarded as acknowledging or suggesting in any form that the information constitutes the prior art already known to ordinary technicians in this field. Summary of the invention

[0005] The purpose of the present invention is to overcome the defects and problems existing in the prior art that light can only react with a part of the test sample to undergo photocatalytic reaction, and to provide a spectrometer for in-situ photocatalytic reaction of a magnetic resonance spectrometer, which can react light with the entire test sample to undergo photocatalytic reaction.

[0006] To achieve the above objectives, the technical solution of the present invention is: A spectrometer for in-situ photocatalytic reaction of a magnetic resonance spectrometer, the spectrometer comprising a xenon lamp, a condenser and a housing; The interior of the shell is a spectrometer cavity, a condenser is fixed at a position slightly below the middle of the spectrometer cavity, the middle of the condenser is a condenser cavity, the condenser cavity is a semi-elliptical cone, the top of the condenser cavity is a top opening, the top opening is connected to one end of the spectrometer cavity, the bottom of the condenser cavity is a bottom opening, the bottom opening is connected to one end of the spectrometer cavity, the diameter of the bottom opening is smaller than the diameter of the top opening, the long axis of the condenser cavity includes a first focus and a second focus, the second focus is located above the condenser cavity, a filter is fixed on the second focus, the end of the filter away from the condenser is vertically connected to the input end of the optical fiber, the output end of the optical fiber passes through the optical fiber hole at the top of the shell and reaches the outside of the shell, the first focus is provided with a luminous center of a xenon lamp, and the luminous center is wrapped with xenon gas; The xenon lamp also includes a light-emitting anode and a light-emitting cathode, one end of the light-emitting anode is connected to one end of the output anode of the trigger, and one end of the light-emitting cathode is connected to one end of the output cathode of the trigger; the trigger also includes a high-voltage circuit, a low-voltage circuit and a switching module, the input end of the high-voltage circuit is connected to one end of the power module, the output end of the high-voltage circuit is connected to the input end of the switching module, the input end of the low-voltage circuit is connected to one end of the power module, the output end of the low-voltage circuit is connected to the input end of the switching module, one end of the output end of the switching module is connected to one end of the output anode, and the other end of the output end of the switching module is connected to one end of the output cathode; the positive power supply of the power supply module is connected to the positive pole of the switching power supply, and the negative power supply of the power supply module is connected to the negative pole of the switching power supply.

[0007] The portion of the focusing cavity between the top opening and the bottom opening is a reflective side wall, and the reflective side wall is a semi-elliptical arc surface. The sum of the distance from any point on the reflective side wall to the first focus and the distance from the point to the second focus is the distance value, and the distance value of each point on the reflective side wall is the same.

[0008] The intersection point of the plane where the top opening is located and the long axis of the focusing cavity is the top opening point. The distance from the top opening point to the first focus is 30 mm, and the distance from the top opening point to the second focus is 120 mm.

[0009] The diameter of the top opening is 60 mm.

[0010] An air inlet is arranged on the top of the shell, and the air inlet is connected with one end of the spectrometer cavity; an air outlet is arranged on the side wall of the shell near the top, and one end of the air outlet is connected with the outside.

[0011] One end of the air inlet away from the spectrometer cavity is connected to one end of the ventilation pipe, and the other end of the ventilation pipe is connected to the centrifugal air outlet of the centrifugal fan; the centrifugal fan also includes a centrifugal air inlet, and the centrifugal air inlet of the centrifugal fan is connected to the outlet end of the liquid nitrogen Dewar flask.

[0012] The end of the optical fiber close to the filter is the moving end, and the movement range of the moving end is left and right on the plane where the second focus is located; one end of the light intensity meter is fixed to the part close to the moving end in the spectrometer cavity; an optical fiber fixing device is also provided on the part of the outer shell located outside the optical fiber hole, and the end of the optical fiber located outside the optical fiber hole is connected to the middle of the optical fiber fixing device.

[0013] A guide rail is provided in the middle of the side wall of the housing, a slide rail is inserted into the guide rail, and the movement stroke of the slide rail is to move up and down in the guide rail; The top of the slide rail is connected to the middle part of the top fixing block, the top fixing block is located outside the guide rail, one end of the top fixing block close to the guide rail is in contact with the side wall of the shell, the middle part of the top fixing block is vertically connected to one end of the top fixing rod, the end of the top fixing rod away from the top fixing block is provided with a top fixing hole, one end of the light-emitting anode is inserted into the top fixing hole; the top fixing block is provided with top threaded holes at the parts on both sides of the top fixing rod, and top fixing screws are inserted into the top threaded holes; The bottom of the slide rail is connected to the middle part of the bottom fixing block, the bottom fixing block is located outside the guide rail, one end of the bottom fixing block close to the guide rail is in contact with the side wall of the shell, the middle part of the bottom fixing block is vertically connected to one end of the bottom fixing rod, the end of the bottom fixing rod away from the bottom fixing block is provided with a bottom fixing hole, one end of the light-emitting cathode is inserted into the bottom fixing hole; bottom threaded holes are respectively provided on the parts of the bottom fixing block located on both sides of the bottom fixing rod, and bottom fixing screws are inserted into the bottom threaded holes.

[0014] An anode hole is arranged in the middle of the guide rail, an anode wire is inserted into the anode hole, one end of the anode wire is connected to one end of the light-emitting anode, and the other end of the anode wire is connected to one end of the output anode.

[0015] An opening is provided on one surface of the shell, and the opening is at the same height as the filter. One end of the filter plug-in is inserted into the opening, and the other end of the filter plug-in extends into the spectrometer cavity. A filter hole is provided at one end of the filter plug-in close to the filter, and the inner surface of the filter hole is connected to the outer periphery of the filter; the diameter of the filter is 18 mm.

[0016] A method for using a spectrometer for in-situ photocatalytic reaction using a magnetic resonance spectrometer, the method comprising the following steps: Step 1: First connect the input end of the switching module to the output end of the high-voltage circuit, then connect one end of the switching power supply to the mains interface, then the normal-voltage current in the mains interface flows into the switching power supply, the normal-voltage current flows into the power module, then the normal-voltage current flows into the input end of the high-voltage circuit, and the normal-voltage current flows out from the output end of the high-voltage circuit. At this time, the normal-voltage current becomes a high-voltage current, and then the high-voltage current flows into the input end of the switching module, and the high-voltage current flows out from the output end of the switching module, and then the high-voltage current flows into the output anode, and then the high-voltage current flows into the luminous anode, and then the high-voltage current reaches the luminous center. At this time, the xenon gas is ionized to form an arc, and the arc generates a lot of light; Step 2: The light first moves out of the luminous center, then moves straight to the focusing cavity, then is reflected by the focusing cavity, then moves straight to the second focal direction, then passes through the filter to be changed into light of different wavelengths, then moves into the optical fiber, then the light in the optical fiber is introduced into the magnetic resonance spectrometer, and then is used for photocatalytic reaction; Step 3: The high-voltage current of the luminous center flows into the luminous cathode again, and then the high-voltage current flows into the output cathode, and then the high-voltage current flows through the switching module, the power module and the switching power supply in sequence, and then the high-voltage current flows into the mains interface; the input end of the switching module is disconnected from the output end of the high-voltage circuit, and the input end of the switching module is connected to the output end of the low-voltage circuit; at this time, the normal-voltage current in the switching power supply flows into the input end of the low-voltage circuit, and then the normal-voltage current flows out from the output end of the low-voltage circuit, and the low-voltage current flows into the input end of the switching module again, and the low-voltage current flows out from the output end of the switching module, and then the low-voltage current flows into the output anode, and then the low-voltage current flows into the luminous anode, and then the low-voltage current reaches the luminous center, at this time, under the maintenance of the low-voltage current, the xenon gas is ionized to form an arc, and the arc generates a lot of light; then the low-voltage current flows into the output cathode, and then the low-voltage current flows through the switching module, the power module and the switching power supply in sequence, and then the low-voltage current flows into the mains interface.

[0017] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention discloses a spectrometer for in-situ photocatalytic reaction of a magnetic resonance spectrometer, wherein the spectrometer comprises a xenon lamp, a condenser and a housing, wherein the condenser is fixed in the housing, wherein the condenser comprises a condensing cavity, wherein the condensing cavity is a semi-elliptical cone, wherein the luminous center of the xenon lamp is fixed at the first focus of the condensing cavity, wherein the two ends of the xenon lamp are connected to a trigger, wherein a filter and an optical fiber are fixed at the second focus of the condensing cavity, wherein when the condensing cavity is used, the trigger is first powered, and then the trigger generates a high-voltage current, and then the high-voltage current flows into the luminous center of the xenon lamp, at which time the xenon gas in the luminous center is ionized to generate an arc, and the arc generates a large amount of light, which then moves linearly to the condensing cavity, and then the condensing cavity reflects the light to the filter, wherein the filter is used to generate light of different wavelengths, and then the light moves into the optical fiber and is collected by the optical fiber, and the light in the optical fiber is subsequently introduced into the magnetic resonance spectrometer for photocatalytic reaction, and the advantages of the present invention also include: First point: the light source of the present invention is an ultra-high pressure short arc xenon lamp, and the light of the xenon lamp is a continuous spectrum light, and the spectrum line range of the light source is relatively wide, so when the light is introduced into the electron paramagnetic spectrometer cavity or other narrow cavity, the light can radiate to the entire test sample, so the entire test sample can be subjected to photocatalytic analysis test; Second point: Xenon lamps have extremely high brightness, and their light color is close to sunlight, which is very helpful in simulating sunlight, so they are suitable for use in comprehensive in-situ photocatalytic analysis and testing; Xenon lamps have good stability, and can generate a stable arc only by relying on the electrodes at both ends of the light-emitting center, and can obtain a large arc specific power; Compared with other tungsten lamps or mercury lamps, xenon lamps have a longer service life, which can effectively reduce the cost of use; Third point: The light emission center of the xenon lamp is located at the first focus, and the optical fiber and filter are located at the second focus. A large amount of light generated at the first focus will be reflected by the focusing cavity to the second focus, so the light intensity at the second focus is the largest, which is most conducive to the optical fiber collecting light; Fourth point: The xenon lamp has a small luminous area and high light efficiency, and is an ideal point light source. The xenon lamp is small in size and occupies less space in the focusing cavity, which is beneficial to reducing the volume of the focusing cavity. The xenon lamp is light in weight, so it is beneficial to reduce the overall weight of the spectrometer. Therefore, the light energy generated by the present invention can perform a photocatalytic reaction with all of the test sample, and the light intensity is relatively large.

[0018] 2. In a spectrometer for in-situ photocatalytic reaction of a magnetic resonance spectrometer of the present invention, the side wall of the light-collecting cavity is a reflective side wall, and the distance from any point on the reflective side wall to the first focus and the distance from the point to the second focus are a constant value. When used, the light generated by the luminous center first moves from the first focus to the light-collecting cavity, and then the light is reflected by the light-collecting cavity, and then the light moves to the second focus; the position of the first focus and the position of the second focus are set according to the horizontal axis and the vertical axis of the light-collecting cavity. The present invention utilizes the geometric characteristics of the ellipsoid and the principle that light propagates in a straight line, so that a large amount of light converges at the second focus, which is conducive to the optical fiber collecting more light. Therefore, the present invention has a high light collection rate.

[0019] 3. In a spectrometer for in-situ photocatalytic reaction of a magnetic resonance spectrometer of the present invention, the housing is also provided with an air inlet and an air outlet, and the air inlet is connected to a ventilation pipe and a centrifugal fan in sequence. When used, a certain amount of ozone will be generated in the focusing cavity when the xenon lamp is irradiated for a long time. Ozone not only harms the environment, but also causes damage to the components in the focusing cavity, and reduces the sensitivity and service life of the spectrometer. Therefore, a centrifugal fan is used to blow in low-temperature gas to dilute the ozone and take the ozone out of the focusing cavity; the low-temperature gas can also play a role in cooling the components in the focusing cavity, so that the focusing cavity maintains a suitable temperature and avoids the temperature rise affecting the photochemical reaction in the focusing cavity. Therefore, the present invention is more environmentally friendly.

[0020] 4. In a spectrometer for in-situ photocatalytic reaction of a magnetic resonance spectrometer of the present invention, a guide rail is provided in the middle of the housing, a slide rail that can slide up and down is provided in the guide rail, a fixing block and a fixing rod are provided on the slide rail, the fixing rod fixes the xenon lamp from both ends of the xenon lamp, an opening is also provided at one end of the housing, a filter plate is inserted in the opening, a filter is inserted in the filter plate, the movement stroke of the optical fiber is left and right movement, when used, because the slide rail can slide in the guide rail, the xenon lamp can also slide up and down, then the xenon lamp can slide to the position of the first focus of different focusing cavities for matching; the filter can also be taken out to replace different filters as needed to generate light of corresponding wavelengths; the optical fiber can also move left and right to adjust the amount of light entering the optical fiber, thereby playing a role in adjusting the light intensity. Therefore, the adjustability of the present invention is relatively high. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the present invention.

[0022] Figure 2 It is a schematic diagram of the optical path of the present invention.

[0023] Figure 3 yes Figure 1 Schematic diagram of the structure of the switching power supply.

[0024] Figure 4 yes Figure 1Schematic diagram of the structure of the trigger.

[0025] Figure 5 yes Figure 1 Schematic diagram of the structure of a centrifugal fan.

[0026] Figure 6 yes Figure 1 Schematic diagram of the direction of movement of the stroke.

[0027] Figure 7 yes Figure 1 Schematic diagram of the structure of the condenser.

[0028] Figure 8 yes Figure 1 Schematic diagram of the structure of the middle top fixing rod.

[0029] Fig. 9 yes Figure 1 Schematic diagram of the structure of the middle slide rail.

[0030] Fig.10 yes Figure 1 Schematic diagram of the structure of the middle opening.

[0031] Fig.11 yes Figure 1 Schematic diagram of the structure of the filter.

[0032] Fig.12 It is a schematic diagram of the application of the present invention.

[0033] In the figure: xenon lamp 1, luminous center 11, xenon gas 12, luminous anode 13, luminous cathode 14, condenser 2, condenser cavity 21, top opening 22, bottom opening 23, first focus 24, second focus 25, reflecting side wall 26, top opening point 27, housing 3, spectrometer cavity 31, optical fiber hole 32, air inlet 33, ventilation pipe 331, air outlet 34, optical fiber fixing device 35, guide rail 36, slide rail 37, top fixing block 371, top fixing rod 372, top fixing hole 373, top threaded hole 374, top fixing screw 375, bottom fixing block 376 , bottom fixing rod 377, bottom fixing hole 378, bottom threaded hole 379, bottom fixing screw 380, anode hole 39, anode wire 391, filter 4, opening 41, filter plug-in plate 42, filter hole 43, optical fiber 5, mobile end 51, light intensity meter 52, trigger 6, output anode 61, output cathode 62, high voltage circuit 63, low voltage circuit 64, switching module 65, power module 66, positive power supply 661, negative power supply 662, switching power supply 7, centrifugal fan 8, centrifugal air outlet 81, centrifugal air inlet 82, liquid nitrogen Dewar flask 83. DETAILED DESCRIPTION

[0034] The present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0035] See also Figure 1 — Fig.11 , a spectrometer for in-situ photocatalytic reaction of magnetic resonance spectrometer, the spectrometer comprising a xenon lamp 1, a condenser 2 and a housing 3; The interior of the shell 3 is a spectrometer cavity 31, a condenser 2 is fixed at a position slightly below the middle of the spectrometer cavity 31, the middle of the condenser 2 is a condenser cavity 21, the condenser cavity 21 is a semi-elliptical cone, the top of the condenser cavity 21 is a top opening 22, the top opening 22 is connected to one end of the spectrometer cavity 31, the bottom of the condenser cavity 21 is a bottom opening 23, the bottom opening 23 is connected to one end of the spectrometer cavity 31, the diameter of the bottom opening 23 is smaller than the diameter of the top opening 22, the long axis of the condenser cavity 21 includes a first focus 24 and a second focus 25, the second focus 25 is located above the condenser cavity 21, a filter 4 is fixed on the second focus 25, the end of the filter 4 away from the condenser 2 is vertically connected to the input end of the optical fiber 5, the output end of the optical fiber 5 passes through the optical fiber hole 32 at the top of the shell 3 and reaches the outside of the shell 3, the first focus 24 is provided with a light emitting center 11 of the xenon lamp 1, the light emitting center 11 is wrapped with xenon gas 12; The xenon lamp 1 also includes a light-emitting anode 13 and a light-emitting cathode 14, one end of the light-emitting anode 13 is connected to one end of the output anode 61 of the trigger 6, and one end of the light-emitting cathode 14 is connected to one end of the output cathode 62 of the trigger 6; the trigger 6 also includes a high-voltage circuit 63, a low-voltage circuit 64 and a switching module 65, the input end of the high-voltage circuit 63 is connected to one end of the power module 66, the output end of the high-voltage circuit 63 is connected to the input end of the switching module 65, the input end of the low-voltage circuit 64 is connected to one end of the power module 66, the output end of the low-voltage circuit 64 is connected to the input end of the switching module 65, one end of the output end of the switching module 65 is connected to one end of the output anode 61, and the other end of the output end of the switching module 65 is connected to one end of the output cathode 62; the positive power supply 661 of the power supply module 66 is connected to the positive pole of the switching power supply 7, and the negative power supply 662 of the power supply module 66 is connected to the negative pole of the switching power supply 7.

[0036] The portion of the focusing cavity 21 between the top opening 22 and the bottom opening 23 is a reflective side wall 26, and the reflective side wall 26 is a semi-elliptical arc surface. The sum of the distance from any point on the reflective side wall 26 to the first focus 24 and the distance from the point to the second focus 25 is the distance value, and the distance value of each point on the reflective side wall 26 is the same.

[0037] The intersection point of the plane where the top opening 22 is located and the long axis of the focusing cavity 21 is the top opening point 27. The distance from the top opening point 27 to the first focus 24 is 30 mm, and the distance from the top opening point 27 to the second focus 25 is 120 mm.

[0038] The diameter of the top opening 22 is 60 mm.

[0039] An air inlet 33 is provided on the top of the housing 3 , and the air inlet 33 is connected to one end of the spectrometer cavity 31 ; an air outlet 34 is provided on the side wall of the housing 3 near the top, and one end of the air outlet 34 is connected to the outside.

[0040] One end of the air inlet 33 away from the spectrometer cavity 31 is connected to one end of the ventilation pipe 331, and the other end of the ventilation pipe 331 is connected to the centrifugal air outlet 81 of the centrifugal fan 8; the centrifugal fan 8 also includes a centrifugal air inlet 82, and the centrifugal air inlet 82 of the centrifugal fan 8 is connected to the outlet end of the liquid nitrogen Dewar flask 83.

[0041] The end of the optical fiber 5 close to the filter 4 is a movable end 51, and the movement range of the movable end 51 is to move left and right on the plane where the second focus 25 is located; one end of a light intensity meter 52 is fixed to a position close to the movable end 51 in the spectrometer cavity 31; a fiber fixing device 35 is also provided on the portion of the housing 3 located outside the fiber hole 32, and the end of the optical fiber 5 located outside the fiber hole 32 is connected to the middle of the fiber fixing device 35.

[0042] A guide rail 36 is provided in the middle of the side wall of the housing 3, a slide rail 37 is inserted into the guide rail 36, and the movement stroke of the slide rail 37 is to move up and down in the guide rail 36; The top of the slide rail 37 is connected to the middle of a top fixing block 371, and the top fixing block 371 is located outside the guide rail 36. One end of the top fixing block 371 close to the guide rail 36 is in contact with the side wall of the housing 3. One end of a top fixing rod 372 is vertically connected to the middle of the top fixing block 371. One end of the top fixing rod 372 away from the top fixing block 371 is provided with a top fixing hole 373, and one end of the light-emitting anode 13 is inserted into the top fixing hole 373; the top fixing block 371 is provided with top threaded holes 374 at the positions on both sides of the top fixing rod 372, and top fixing screws 375 are inserted into the top threaded holes 374; The bottom of the slide rail 37 is connected to the middle of a bottom fixing block 376, and the bottom fixing block 376 is located outside the guide rail 36. One end of the bottom fixing block 376 close to the guide rail is in contact with the side wall of the outer shell 3. The middle of the bottom fixing block 376 is vertically connected to one end of a bottom fixing rod 377. The end of the bottom fixing rod 377 away from the bottom fixing block 376 is provided with a bottom fixing hole 378, and one end of the light-emitting cathode 14 is inserted into the bottom fixing hole 378; bottom threaded holes 379 are respectively provided on the parts of the bottom fixing block 376 located on both sides of the bottom fixing rod 377, and bottom fixing screws 380 are inserted into the bottom threaded holes 379.

[0043] An anode hole 39 is provided in the middle of the guide rail 36 , and an anode wire 391 is inserted into the anode hole 39 . One end of the anode wire 391 is connected to one end of the light-emitting anode 13 , and the other end of the anode wire 391 is connected to one end of the output anode 61 .

[0044] An opening 41 is provided on one surface of the housing 3, and the opening 41 is at the same height as the filter 4. One end of a filter plug-in plate 42 is inserted into the opening 41, and the other end of the filter plug-in plate 42 extends into the spectrometer cavity 31. A filter hole 43 is provided at one end of the filter plug-in plate 42 close to the filter 4, and the inner surface of the filter hole 43 is connected to the outer periphery of the filter 4; the diameter of the filter 4 is 18 mm.

[0045] A method for using a spectrometer for in-situ photocatalytic reaction using a magnetic resonance spectrometer, the method comprising the following steps: The first step: first connect the input end of the switching module 65 to the output end of the high-voltage circuit 63, and then connect one end of the switching power supply 7 to the mains interface, and then the normal voltage current in the mains interface flows into the switching power supply 7, and then the normal voltage current flows into the power module 66, and then the normal voltage current flows into the input end of the high-voltage circuit 63, and then the normal voltage current flows out from the output end of the high-voltage circuit 63. At this time, the normal voltage current becomes a high voltage current, and then the high voltage current flows into the input end of the switching module 65, and then the high voltage current flows out from the output end of the switching module 65, and then the high voltage current flows into the output anode 61, and then the high voltage current flows into the luminous anode 13, and then the high voltage current reaches the luminous center 11. At this time, the xenon gas 12 is ionized to form an arc, and the arc generates a large amount of light; Step 2: The light first moves out of the luminescent center 11, then moves straight to the focusing cavity 21, then is reflected by the focusing cavity 21, then moves straight to the second focus 25, then passes through the filter 4 to be converted into light of different wavelength, then moves into the optical fiber 5, then the light in the optical fiber 5 is introduced into the magnetic resonance spectrometer, and then is used for photocatalytic reaction; Step 3: The high-voltage current of the luminous center 11 flows into the luminous cathode 14 again, and then flows into the output cathode 62. The high-voltage current then flows through the switching module 65, the power module 66 and the switching power supply 7 in sequence, and then flows into the mains interface; the input end of the switching module 65 is disconnected from the output end of the high-voltage circuit 63, and the input end of the switching module 65 is connected to the output end of the low-voltage circuit 64; at this time, the normal-voltage current in the switching power supply 7 flows into the input end of the low-voltage circuit 64, and then the normal-voltage current flows from the output end of the low-voltage circuit 64 to the mains interface. The low-voltage current flows out from the output end, and then flows into the input end of the switching module 65. The low-voltage current flows out from the output end of the switching module 65, and then the low-voltage current flows into the output anode 61. The low-voltage current flows into the luminous anode 13, and then the low-voltage current reaches the luminous center 11. At this time, under the maintenance of the low-voltage current, the xenon gas 12 is ionized to form an arc, and the arc generates a large amount of light; then the low-voltage current flows into the output cathode 62, and the low-voltage current flows through the switching module 65, the power module 66 and the switching power supply 7 in sequence, and then the low-voltage current flows into the AC power interface.

[0046] The supplementary description of the present invention is as follows: The light mentioned in the present invention refers to the light generated by the arc formed when the xenon gas 12 in the xenon lamp 1 is ionized.

[0047] The in-situ mentioned in the present invention means: by a specific method, the sample under the same conditions as the reaction conditions is detected to obtain information under the actual reaction conditions; the xenon lamp 1 used in the present invention can be used to simulate sunlight, and therefore, is suitable for detecting the situation of the sample under sunlight.

[0048] Precautions for use of the present invention are as follows: ①. The light-emitting anode 13 and the light-emitting cathode 14 cannot be connected reversely, otherwise the light-emitting center 11 will burn out; ②. The xenon lamp 1 is preferably placed vertically, with the light-emitting cathode 14 at the bottom and the light-emitting anode 13 at the top, to prevent arc drift; ③. The power of the light-emitting center 11 is relatively large. When placed at the first focus 24, the light convergence energy on the second focus 25 is relatively large, causing the temperature in the spectrometer cavity 31 to increase sharply, so it is necessary to properly adjust the position of the xenon lamp 1; ④. After the switch power supply 7 is turned on, it is forbidden to touch the trigger 6, and the voltage in the trigger 6 is very high; ⑤. After the switch power supply 7 is turned on, try not to move and touch the switch power supply 7; ⑥. The light energy of the present invention is relatively high, and the optical fiber should be avoided from directly shining on the eyes; ⑦. After turning on the present invention, it is forbidden to hit the present invention to avoid dangerous accidents such as leakage.

[0049] Embodiment 1: See also Figure 1 — Fig.11A spectrometer for in-situ photocatalytic reaction of magnetic resonance spectrometer, the spectrometer comprising a xenon lamp 1, a condenser 2 and a housing 3; the interior of the housing 3 is a spectrometer cavity 31, a condenser 2 is fixed at a position slightly below the middle of the spectrometer cavity 31, the middle of the condenser 2 is a condensing cavity 21, the condensing cavity 21 is a semi-elliptical cone, the top of the condensing cavity 21 is a top opening 22, the top opening 22 is connected to one end of the spectrometer cavity 31, the bottom of the condensing cavity 21 is a bottom opening 23, the bottom opening 23 is connected to The end of the spectrometer cavity 31 is connected, the diameter of the bottom opening 23 is smaller than the diameter of the top opening 22, the long axis of the focusing cavity 21 includes a first focus 24 and a second focus 25, the second focus 25 is located above the focusing cavity 21, a filter 4 is fixed on the second focus 25, the end of the filter 4 away from the condenser 2 is vertically connected to the input end of the optical fiber 5, the output end of the optical fiber 5 passes through the optical fiber hole 32 at the top of the housing 3 and reaches the outside of the housing 3, the first focus 24 is provided with a light emitting center of the xenon lamp 1 The xenon lamp 1 further comprises a light-emitting anode 13 and a light-emitting cathode 14, one end of the light-emitting anode 13 is connected to one end of the output anode 61 of the trigger 6, and one end of the light-emitting cathode 14 is connected to one end of the output cathode 62 of the trigger 6; the trigger 6 further comprises a high-voltage circuit 63, a low-voltage circuit 64 and a switching module 65, the input end of the high-voltage circuit 63 is connected to one end of the power module 66, the output end of the high-voltage circuit 63 is connected to the input end of the switching module 65, the input end of the low-voltage circuit 64 is connected to one end of the power module 66, the output end of the low-voltage circuit 64 is connected to the input end of the switching module 65, one end of the output end of the switching module 65 is connected to one end of the output anode 61, and the other end of the output end of the switching module 65 is connected to one end of the output cathode 62; the positive power supply 661 of the power supply module 66 is connected to the positive pole of the switching power supply 7, and the negative power supply 662 of the power supply module 66 is connected to the negative pole of the switching power supply 7.

[0050] A method for using a spectrometer for in-situ photocatalytic reaction using a magnetic resonance spectrometer, the method comprising the following steps: The first step: first connect the input end of the switching module 65 to the output end of the high-voltage circuit 63, and then connect one end of the switching power supply 7 to the mains interface, and then the normal voltage current in the mains interface flows into the switching power supply 7, and then the normal voltage current flows into the power module 66, and then the normal voltage current flows into the input end of the high-voltage circuit 63, and then the normal voltage current flows out from the output end of the high-voltage circuit 63. At this time, the normal voltage current becomes a high voltage current, and then the high voltage current flows into the input end of the switching module 65, and then the high voltage current flows out from the output end of the switching module 65, and then the high voltage current flows into the output anode 61, and then the high voltage current flows into the luminous anode 13, and then the high voltage current reaches the luminous center 11. At this time, the xenon gas 12 is ionized to form an arc, and the arc generates a large amount of light; Step 2: The light first moves out of the luminescent center 11, then moves straight to the focusing cavity 21, then is reflected by the focusing cavity 21, then moves straight to the second focus 25, then passes through the filter 4 to be converted into light of different wavelength, then moves into the optical fiber 5, then the light in the optical fiber 5 is introduced into the magnetic resonance spectrometer, and then is used for photocatalytic reaction; Step 3: The high-voltage current of the luminous center 11 flows into the luminous cathode 14 again, and then flows into the output cathode 62. The high-voltage current then flows through the switching module 65, the power module 66 and the switching power supply 7 in sequence, and then flows into the mains interface; the input end of the switching module 65 is disconnected from the output end of the high-voltage circuit 63, and the input end of the switching module 65 is connected to the output end of the low-voltage circuit 64; at this time, the normal-voltage current in the switching power supply 7 flows into the input end of the low-voltage circuit 64, and then the normal-voltage current flows from the output end of the low-voltage circuit 64 to the mains interface. The low-voltage current flows out from the output end, and then flows into the input end of the switching module 65. The low-voltage current flows out from the output end of the switching module 65, and then the low-voltage current flows into the output anode 61. The low-voltage current flows into the luminous anode 13, and then the low-voltage current reaches the luminous center 11. At this time, under the maintenance of the low-voltage current, the xenon gas 12 is ionized to form an arc, and the arc generates a large amount of light; then the low-voltage current flows into the output cathode 62, and the low-voltage current flows through the switching module 65, the power module 66 and the switching power supply 7 in sequence, and then the low-voltage current flows into the AC power interface.

[0051] Embodiment 2: The basic content is the same as that of Example 1, except that: See also Figure 1 — Figure 6The portion of the light-collecting cavity 21 between the top opening 22 and the bottom opening 23 is a reflective side wall 26, which is a semi-elliptical arc surface. The sum of the distance from any point on the reflective side wall 26 to the first focus 24 and the distance from the point to the second focus 25 is the distance value, and the distance value of each point on the reflective side wall 26 is the same. The intersection point of the plane where the top opening 22 is located and the long axis of the light-collecting cavity 21 is the top opening point 27, the distance from the top opening point 27 to the first focus 24 is 30 mm, and the distance from the top opening point 27 to the second focus 25 is 120 mm. The diameter of the top opening 22 is 60 mm.

[0052] When used, the xenon gas 12 is first ionized by a high voltage current to form an arc, and the arc then forms a large amount of light, and then the light moves away from the luminous center 11 in all directions. During the whole process, the light remains in a state of linear motion; the light then moves to the reflective side wall 26, and then the light is reflected by the reflective side wall 26, so the light changes its direction of motion; because the focusing cavity 21 is a semi-elliptical table, and the light all starts from the first focus 24, the light will move along the shortest path, so the light will move toward the second focus 25, that is, the light will converge at the second focus 25, so the light intensity at the second focus 25 is the largest and the temperature is the highest; according to the actual application situation, the present invention sets the distance from the top opening point 27 to the first focus 24 to 30 mm, and the distance from the top opening point 27 to the second focus 25 to 120 mm, and the positions of the first focus 24 and the second focus 25 can be adjusted later according to needs; the diameter of the top opening 22 is 60 mm, and the diameter of the top opening 22 needs to be larger than the diameter of the xenon lamp 1, so as to facilitate the installation and fixation of the xenon lamp 1, and at the same time, it is convenient to adjust the position of the xenon lamp 1.

[0053] Embodiment 3: The basic content is the same as that of Example 1, except that: See also Figure 1 — Fig.11 The top of the housing 3 is provided with an air inlet 33, which is connected to one end of the spectrometer cavity 31; the side wall of the housing 3 is provided with an air outlet 34 near the top, and one end of the air outlet 34 is connected to the outside. The end of the air inlet 33 away from the spectrometer cavity 31 is connected to one end of the ventilation pipe 331, and the other end of the ventilation pipe 331 is connected to the centrifugal air outlet 81 of the centrifugal fan 8; the centrifugal fan 8 also includes a centrifugal air inlet 82, and the centrifugal air inlet 82 of the centrifugal fan 8 is connected to the outlet end of the liquid nitrogen dewar flask 83.

[0054] When used, the xenon lamp 1 is the light source closest to sunlight, so the light emitted by the xenon lamp 1 includes short-wave light, such as ultraviolet light; when the xenon lamp 1 is irradiated for a long time, the ultraviolet light will undergo a photochemical reaction to produce ozone; ozone not only has an unpleasant smell and is not environmentally friendly, but also damages the components of the present invention, resulting in reduced sensitivity and service life of the present invention, so a centrifugal fan 8 is used to blow air into the spectrometer cavity 31 to dilute the ozone and take the ozone out of the spectrometer cavity 31 to avoid ozone damaging the components of the present invention; the blown gas is preferably low-temperature nitrogen, so the liquid nitrogen is first heated by a liquid nitrogen Dewar flask 83 to obtain low-temperature nitrogen, and then the low-temperature nitrogen is introduced into the centrifugal air inlet 82, and then the low-temperature nitrogen is discharged from the centrifugal air outlet The low-temperature nitrogen enters the ventilation pipe 331 through the outlet 81, and then moves into the spectrometer cavity 31 and dilutes the ozone. Then, the low-temperature nitrogen moves into the focusing cavity 21, and is reflected by the side wall of the focusing cavity 21, thereby changing direction. Then, the low-temperature nitrogen moves toward the air outlet 34, and then carries the diluted ozone out of the spectrometer cavity from the air outlet 34. The diluted ozone will quickly dissipate in the air. In the aforementioned process, the low-temperature nitrogen also reduces the temperature in the spectrometer cavity 31. When the xenon lamp 1 is irradiated for a long time, the temperature in the spectrometer cavity 31 will increase. The cooling effect of the low-temperature nitrogen can maintain a stable temperature in the spectrometer cavity 31, thereby preventing the temperature increase in the spectrometer cavity 31 from having an adverse effect on the photochemical reaction.

[0055] Embodiment 4: The basic content is the same as that of Example 1, except that: See also Figure 1 — Fig.11The end of the optical fiber 5 close to the filter 4 is a movable end 51, and the movement range of the movable end 51 is to move left and right on the plane where the second focus 25 is located; one end of a light intensity meter 52 is fixed to a portion close to the movable end 51 in the spectrometer cavity 31; a fiber fixing device 35 is also provided on the portion of the housing 3 located outside the fiber hole 32, and the end of the optical fiber 5 located outside the fiber hole 32 is connected to the middle of the fiber fixing device 35. A guide rail 36 is provided in the middle of the side wall of the shell 3, and a slide rail 37 is inserted in the guide rail 36. The movement stroke of the slide rail 37 is to move up and down in the guide rail 36; the top of the slide rail 37 is connected to the middle of a top fixing block 371, and the top fixing block 371 is located outside the guide rail 36. The end of the top fixing block 371 close to the guide rail 36 is in contact with the side wall of the shell 3, and the middle of the top fixing block 371 is vertically connected to one end of a top fixing rod 372, and the end of the top fixing rod 372 away from the top fixing block 371 is provided with a top fixing hole 373, and one end of the light-emitting anode 13 is inserted in the top fixing hole 373; the top fixing block 371 is provided with A top threaded hole 374, in which a top fixing screw 375 is inserted; the bottom of the slide rail 37 is connected to the middle of a bottom fixing block 376, and the bottom fixing block 376 is located outside the guide rail 36. The end of the bottom fixing block 376 close to the guide rail is in contact with the side wall of the housing 3, and the middle of the bottom fixing block 376 is vertically connected to one end of a bottom fixing rod 377, and the end of the bottom fixing rod 377 away from the bottom fixing block 376 is provided with a bottom fixing hole 378, in which one end of the light-emitting cathode 14 is inserted; bottom threaded holes 379 are respectively provided on the parts of the bottom fixing block 376 located on both sides of the bottom fixing rod 377, and bottom fixing screws 380 are inserted into the bottom threaded holes 379. An anode hole 39 is provided in the middle of the guide rail 36, and an anode wire 391 is inserted into the anode hole 39. One end of the anode wire 391 is connected to one end of the light-emitting anode 13, and the other end of the anode wire 391 is connected to one end of the output anode 61. An opening 41 is provided on one surface of the housing 3. The opening 41 is at the same height as the filter 4. One end of a filter plug-in plate 42 is inserted into the opening 41. The other end of the filter plug-in plate 42 extends into the spectrometer cavity 31. A filter hole 43 is provided at one end of the filter plug-in plate 42 close to the filter 4. The inner surface of the filter hole 43 is connected to the outer periphery of the filter 4. The diameter of the filter 4 is 18 mm. Preferably, the light-emitting cathode 14 is connected to one end of a wire, and the other end of the wire is connected to one end of the output cathode 62 after passing through the bottom opening 23.

[0056] When in use, the light intensity meter 52 is used to detect the light intensity at the mobile end 51. When the light intensity at the mobile end 51 is strong, the mobile end 51 can be moved left and right to reduce the light intensity at the mobile end 51. The moving range of the mobile end 51 is within the coverage of the filter 4; the optical fiber fixing device 35 fixes the optical fiber 5 outside the housing 3 to prevent the optical fiber 5 from shaking due to changes in the external environment, thereby affecting the effect of collecting light by the mobile end 51; the movement stroke of the slide rail 37 is to move left and right in the guide rail 36. When the slide rail 37 moves, the top fixing block 371 and the bottom fixing block 376 move with the slide rail 37, and then the top fixing block 371 drives the top fixing rod 372 to move, and the bottom fixing block 376 drives the bottom fixing rod 377 to move, so the top fixing hole 373 and the bottom fixing hole 378 also move together. The xenon lamp 1 can be moved by the top fixing hole 373, thereby driving the light-emitting anode 13 in the top fixing hole 373 and the light-emitting cathode 14 in the bottom fixing hole 378 to move together, thereby achieving the effect of moving the xenon lamp 1, so that the xenon lamp 1 can match the position of the first focus of different condensers. When the slide rail 37 needs to be fixed, the top fixing screw 375 is screwed into the top threaded hole 374 until the top fixing screw 375 is against the housing 3, and the bottom fixing screw 380 is screwed into the top threaded hole 379 until the top fixing screw 380 is against the housing 3. This operation is very convenient; the filter 4 is fixed in the filter hole 43, so different filters 4 can be replaced as needed, and the filter plug-in plate 42 is inserted and connected to the opening 41, so the filter plug-in plate 42 can be replaced as needed later, so the adjustability of the present invention is relatively high.

[0057] The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiment. Any equivalent modifications or changes made by ordinary technicians in this field based on the contents disclosed by the present invention should be included in the protection scope recorded in the claims.

Claims

1. A spectrometer for in-situ photocatalytic reaction using a magnetic resonance spectrometer, characterized in that: The spectrometer comprises a xenon lamp (1), a condenser (2) and a housing (3); The interior of the housing (3) is a spectrometer cavity (31), a condenser (2) is fixed at a position slightly below the middle of the spectrometer cavity (31), the middle of the condenser (2) is a condenser cavity (21), the condenser cavity (21) is a semi-elliptical table, the top of the condenser cavity (21) is a top opening (22), the top opening (22) is connected to one end of the spectrometer cavity (31), the bottom of the condenser cavity (21) is a bottom opening (23), the bottom opening (23) is connected to one end of the spectrometer cavity (31), the diameter of the bottom opening (23) is smaller than the diameter of the top opening (22), The long axis of the focusing cavity (21) includes a first focus (24) and a second focus (25), the second focus (25) is located above the focusing cavity (21), a filter (4) is fixed on the second focus (25), an end of the filter (4) away from the condenser (2) is vertically connected to the input end of the optical fiber (5), the output end of the optical fiber (5) passes through the optical fiber hole (32) at the top of the housing (3) and reaches the outside of the housing (3), the first focus (24) is provided with a light emitting center (11) of the xenon lamp (1), and the light emitting center (11) is surrounded by xenon gas (12); The xenon lamp (1) further comprises a light-emitting anode (13) and a light-emitting cathode (14); one end of the light-emitting anode (13) is connected to one end of an output anode (61) of the trigger (6); one end of the light-emitting cathode (14) is connected to one end of an output cathode (62) of the trigger (6); the trigger (6) further comprises a high-voltage circuit (63), a low-voltage circuit (64) and a switching module (65); an input end of the high-voltage circuit (63) is connected to one end of a power module (66), and an output end of the high-voltage circuit (63) is connected to an input end of the switching module (65). The input end of the low-voltage circuit (64) is connected to one end of the power module (66), the output end of the low-voltage circuit (64) is connected to the input end of the switching module (65), one end of the output end of the switching module (65) is connected to one end of the output anode (61), and the other end of the output end of the switching module (65) is connected to one end of the output cathode (62); the positive power supply electrode (661) of the power module (66) is connected to the positive electrode of the switching power supply (7), and the negative power supply electrode (662) of the power module (66) is connected to the negative electrode of the switching power supply (7).

2. A spectrometer for in-situ photocatalytic reaction using a magnetic resonance spectrometer according to claim 1, characterized in that: The portion of the light focusing cavity (21) located between the top opening (22) and the bottom opening (23) is a reflective side wall (26); the reflective side wall (26) is a semi-elliptical arc surface; the sum of the distance from any point on the reflective side wall (26) to the first focus (24) and the distance from the point to the second focus (25) is the distance value; and the distance value of each point on the reflective side wall (26) is the same.

3. A spectrometer for in-situ photocatalytic reaction using a magnetic resonance spectrometer according to claim 2, characterized in that: The intersection point of the plane where the top opening (22) is located and the long axis of the focusing cavity (21) is the top opening point (27), the distance from the top opening point (27) to the first focus (24) is 30 millimeters, and the distance from the top opening point (27) to the second focus (25) is 120 millimeters.

4. The spectrometer for in-situ photocatalytic reaction of magnetic resonance spectrometer according to claim 3, characterized in that: The diameter of the top opening (22) is 60 mm.

5. The spectrometer for in-situ photocatalytic reaction of magnetic resonance spectrometer according to claim 1, characterized in that: An air inlet (33) is provided at the top of the housing (3), and the air inlet (33) is connected to one end of the spectrometer cavity (31); an air outlet (34) is provided on a portion of the side wall of the housing (3) close to the top, and one end of the air outlet (34) is connected to the outside.

6. The spectrometer for in-situ photocatalytic reaction of magnetic resonance spectrometer according to claim 5, characterized in that: One end of the air inlet (33) away from the spectrometer cavity (31) is connected to one end of a ventilation pipe (331), and the other end of the ventilation pipe (331) is connected to a centrifugal air outlet (81) of a centrifugal fan (8); the centrifugal fan (8) also includes a centrifugal air inlet (82), and the centrifugal air inlet (82) of the centrifugal fan (8) is connected to the outlet end of a liquid nitrogen Dewar flask (83).

7. The spectrometer for in-situ photocatalytic reaction of magnetic resonance spectrometer according to claim 1, characterized in that: The end of the optical fiber (5) close to the filter (4) is a movable end (51), and the movement stroke of the movable end (51) is to move left and right on the plane where the second focus (25) is located; one end of a light intensity meter (52) is fixed to a portion close to the movable end (51) in the spectrometer cavity (31); and an optical fiber fixing device (35) is also provided at a portion of the housing (3) located outside the optical fiber hole (32), and the end of the optical fiber (5) located outside the optical fiber hole (32) is connected to the middle of the optical fiber fixing device (35).

8. The spectrometer for in-situ photocatalytic reaction of magnetic resonance spectrometer according to claim 7, characterized in that: A guide rail (36) is provided in the middle of the side wall of the housing (3), a slide rail (37) is inserted into the guide rail (36), and the movement stroke of the slide rail (37) is to move up and down in the guide rail (36); The top of the slide rail (37) is connected to the middle of a top fixing block (371), the top fixing block (371) is located outside the guide rail (36), one end of the top fixing block (371) close to the guide rail (36) is in contact with the side wall of the housing (3), the middle of the top fixing block (371) is vertically connected to one end of a top fixing rod (372), one end of the top fixing rod (372) away from the top fixing block (371) is provided with a top fixing hole (373), one end of a light-emitting anode (13) is inserted into the top fixing hole (373); the top fixing block (371) is provided with top threaded holes (374) at the positions on both sides of the top fixing rod (372), and top fixing screws (375) are inserted into the top threaded holes (374); The bottom of the slide rail (37) is connected to the middle of a bottom fixing block (376), the bottom fixing block (376) is located outside the guide rail (36), one end of the bottom fixing block (376) close to the guide rail is in contact with the side wall of the housing (3), the middle of the bottom fixing block (376) is vertically connected to one end of a bottom fixing rod (377), one end of the bottom fixing rod (377) away from the bottom fixing block (376) is provided with a bottom fixing hole (378), one end of the light-emitting cathode (14) is inserted into the bottom fixing hole (378); the bottom fixing block (376) is provided with bottom threaded holes (379) at the positions on both sides of the bottom fixing rod (377), and bottom fixing screws (380) are inserted into the bottom threaded holes (379); An anode hole (39) is provided in the middle of the guide rail (36), an anode wire (391) is inserted into the anode hole (39), one end of the anode wire (391) is connected to one end of the light-emitting anode (13), and the other end of the anode wire (391) is connected to one end of the output anode (61).

9. The spectrometer for in-situ photocatalytic reaction of magnetic resonance spectrometer according to claim 8, characterized in that: An opening (41) is provided on one surface of the housing (3), the opening (41) being at the same height as the filter (4), one end of a filter plug-in plate (42) being inserted into the opening (41), the other end of the filter plug-in plate (42) extending into the spectrometer cavity (31), a filter hole (43) being provided at one end of the filter plug-in plate (42) close to the filter (4), the inner surface of the filter hole (43) being connected to the outer periphery of the filter (4); the diameter of the filter (4) is 18 mm.

10. A method for using the spectrometer for in-situ photocatalytic reaction of magnetic resonance spectrometer according to claim 1, characterized in that: The method of use comprises the following steps: The first step: first connect the input end of the switching module (65) to the output end of the high-voltage circuit (63), then connect one end of the switching power supply (7) to the mains interface, then the normal voltage current in the mains interface flows into the switching power supply (7), the normal voltage current then flows into the power module (66), then the normal voltage current flows into the input end of the high-voltage circuit (63), and then the normal voltage current flows out from the output end of the high-voltage circuit (63). At this time, the normal voltage current becomes a high voltage current, and then the high voltage current flows into the input end of the switching module (65), and then the high voltage current flows out from the output end of the switching module (65), and then the high voltage current flows into the output anode (61), and then the high voltage current flows into the light-emitting anode (13), and then the high voltage current reaches the light-emitting center (11). At this time, the xenon gas (12) is ionized to form an arc, and the arc generates a large amount of light; Step 2: The light first moves out of the light emitting center (11), then moves straight to the focusing cavity (21), then is reflected by the focusing cavity (21), then moves straight to the second focus (25), then passes through the filter (4) to be converted into light of a different wavelength, then moves into the optical fiber (5), then the light in the optical fiber (5) is introduced into the magnetic resonance spectrometer, and then is used for the photocatalytic reaction; Step 3: The high voltage current of the light emitting center (11) flows into the light emitting cathode (14), and then flows into the output cathode (62). The high voltage current then flows through the switching module (65), the power module (66) and the switching power supply (7) in sequence, and then flows into the mains interface; the input end of the switching module (65) is disconnected from the output end of the high voltage circuit (63), and the input end of the switching module (65) is connected to the output end of the low voltage circuit (64); at this time, the normal voltage current in the switching power supply (7) flows into the input end of the low voltage circuit (64), and then the normal voltage current flows from the low voltage circuit (64) to the mains interface. ), the low-voltage current then flows into the input end of the switching module (65), the low-voltage current then flows out from the output end of the switching module (65), the low-voltage current then flows into the output anode (61), the low-voltage current then flows into the light-emitting anode (13), and then the low-voltage current reaches the light-emitting center (11). At this time, under the maintenance of the low-voltage current, the xenon gas (12) is ionized to form an arc, and the arc generates a large amount of light; then the low-voltage current flows into the output cathode (62), the low-voltage current then flows through the switching module (65), the power module (66) and the switching power supply (7) in sequence, and then the low-voltage current flows into the mains interface.

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