CN114763254A - Cabinet type ozone generator - Google Patents
Cabinet type ozone generator Download PDFInfo
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- CN114763254A CN114763254A CN202110035734.3A CN202110035734A CN114763254A CN 114763254 A CN114763254 A CN 114763254A CN 202110035734 A CN202110035734 A CN 202110035734A CN 114763254 A CN114763254 A CN 114763254A
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- ozone generator
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- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims abstract description 94
- 238000001816 cooling Methods 0.000 claims abstract description 21
- 238000005192 partition Methods 0.000 claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 239000007789 gas Substances 0.000 description 43
- 239000012809 cooling fluid Substances 0.000 description 17
- 238000004519 manufacturing process Methods 0.000 description 16
- 230000000694 effects Effects 0.000 description 9
- 238000007664 blowing Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 230000001154 acute effect Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000001627 detrimental effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/10—Preparation of ozone
- C01B13/11—Preparation of ozone by electric discharge
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2201/00—Preparation of ozone by electrical discharge
- C01B2201/10—Dischargers used for production of ozone
- C01B2201/12—Plate-type dischargers
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2201/00—Preparation of ozone by electrical discharge
- C01B2201/70—Cooling of the discharger; Means for making cooling unnecessary
- C01B2201/72—Cooling of the discharger; Means for making cooling unnecessary by air
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
Abstract
The invention provides a cabinet type ozone generator, which comprises: a box body; a partition mounted upright within the enclosure, the partition separating a gas generation chamber and an electrical chamber within the enclosure, wherein the partition at least partially defines a top opening and a bottom opening; the plate-type ozone generating module is positioned in the gas generating chamber; a heat-generating electrical component located within the electrical chamber; and forced air supply devices are arranged at the top opening and/or the bottom opening and are used for forming circulating cooling air flows which circulate through the top opening and the bottom opening in the gas generation chamber and the electrical chamber.
Description
Technical Field
The invention relates to the field of ozone generators, in particular to a chassis type ozone generator.
Background
Ozone is a strong oxidant, and can be effectively sterilized, so that it is widely used in the fields requiring sterilization or disinfection, such as environmental protection, medical treatment, water treatment, pharmacy, food preparation, cosmetic preparation, and the like.
To this end, various ozone generators and related apparatus are currently proposed, which are typically implemented using an electrical discharge to produce a low temperature plasma gas.
Common types of ozone generators include tubular, tank, or cabinet type ozone generators. However, these ozone generators are often customized to specific needs, and the ozone generators themselves are poorly scalable. Moreover, these ozone generators are usually large or attached to large facilities and cannot flexibly meet various needs of users.
The present inventors are also aware of certain expandable plate-type structure ozone generators, but they still suffer from a large footprint.
In view of the above, there is a need to provide an ozone generator that is small in size and structure and easy to carry.
The above description is merely provided as background for understanding the relevant art in the field and is not an admission that it is prior art.
Disclosure of Invention
Embodiments of the present invention therefore provide a cabinet-type ozone generator that has an extremely compact structure and also makes it possible to achieve high safety.
Further, the cabinet-type ozone generator according to the embodiment of the present invention can also achieve extremely high thermal stability in this compact structure.
Further, the chassis-type ozone generator of embodiments of the present invention can allow for scalability and/or good interchangeability and/or room for improvement of various critical components, particularly components for ozone generation.
Further, the cabinet-type ozone generator according to the embodiment of the present invention can achieve a relatively high gas production efficiency per unit area (volume) with an extremely compact structure.
According to one aspect, there is provided a cabinet-type ozone generator comprising: a box body; a partition mounted upright within the enclosure, the partition separating a gas generation chamber and an electrical chamber within the enclosure, wherein the partition at least partially defines a top opening and a bottom opening; the plate-type ozone generating module is positioned in the gas generating chamber; a heat generating electrical component located within the electrical chamber; and forced air supply devices arranged at the top opening and/or the bottom opening and used for forming circulating cooling air flows circulating through the top opening and the bottom opening in the gas generation chamber and the electrical chamber.
According to the chassis type ozone generator of the embodiment of the invention, not only is the structure extremely compact to realize portability, but also high safety is realized by separating the gas reaction part and the electric part substantially, and dewing of the gas reaction part and influence of moisture on the electric element can be reduced or avoided.
In one embodiment, the forced air supply arrangement is configured to create a circulating cooling airflow from the gas generating chamber into the electrical chamber through the bottom opening and from the electrical chamber into the gas generating chamber through the top opening.
Further, cooling of the heat generating electrical components can be effectively achieved by means of the top and bottom openings in the embodiments of the present invention, and further by means of the forced air blowing means. In particular, the forced air supply means, such as a fan, according to the embodiment of the present invention is not provided for directly blowing the heat generating elements in an intuitive manner, but causes the circulating cooling air flow together with the top and bottom openings, instead achieving a higher cooling effect, and the cooling effect is more continuously stable. This may help the ozone generator to maintain high ozone generation efficiency stably for a long period of time.
In one embodiment, the forced air supply device is arranged at the bottom opening and is positioned in the gas generating chamber. By providing the forced air supply device at the bottom opening, higher cooling fluid stability can be achieved than at the top opening or elsewhere. In particular, in some embodiments, the bottom opening is completely covered by the forced air blowing means, which enables a higher cooling fluid stability.
In one embodiment, the top opening is an elongated opening. In a further embodiment, the top opening has a width greater than the bottom opening and an area less than the bottom opening. In these embodiments, reducing the height and area of the top opening appears to be detrimental to the formation of a good circulating cooling airflow, but the inventors have found that this achieves a balance of higher and more stable circulating airflow and improves the cooling effect, while also ensuring safety and moisture barrier effects.
In one embodiment, the electrical components include a drive variable frequency power source, a converter transformer electrically connected to the drive variable frequency power source, and a resonant high voltage coil electrically connected to the converter transformer.
In one embodiment, the driving variable frequency power supply is vertically disposed between the converter transformer and the resonant high voltage coil.
In one embodiment, the electric element further comprises a filter unit connected with the driving variable frequency power supply, a control power supply connected with the filter unit, and a control display unit connected with the control power supply. By arranging the filter unit in the electric connection circuit, the control power supply can be obtained by the driving power supply and still can normally work, and the control power supply is prevented from being provided by a separate circuit or an additional voltage transformation and rectification device is arranged for the control power supply.
In one embodiment, the control display unit is vertically disposed adjacent to the driving frequency conversion unit and away from the resonant high-voltage coil. By means of this construction, the influence of the resonant high-voltage coil on the control unit is avoided to a maximum extent.
In one embodiment, the cabinet includes a bottom panel, a top panel, a front panel, a rear panel, and a pair of side panels. Optionally, the bottom plate includes a pair of flaps that cooperate with the partition to form the bottom opening. Optionally, the box may further comprise a pair of roof rails, the rails spacing the roof panel from the bulkhead to form the roof opening. Preferably, the flap of the base plate forms a bottom recess in the bottom of the bin, the bottom opening being defined in the bottom recess. Preferably, the top panel and the side rails form a top recess in a top of the box, the top opening being defined in the top recess.
In one embodiment, the chassis-type ozone generator further comprises at least one top hanging plate and at least one bottom supporting leg for hanging and supporting the plate-type ozone generating module in the gas generating chamber to form a clearance avoiding the top opening and the bottom opening. The clearance of the plate ozone generating module, in particular the ground electrode (plate-like structure) avoiding the top opening/bottom opening in this embodiment seems to be not as high as the heat exchange efficiency of the plate ozone generating module, in particular the ground electrode (plate-like structure), directly facing the top and bottom openings, but the inventors found that said clearance (for example formed by means of said bottom and top grooves) can provide improved cooling efficiency, not necessarily as an explanation of the principle (and should not constitute a limitation), perhaps because said clearance in said embodiment increases the circulation efficiency of the circulating air flow, thereby obtaining improved heat exchange effect.
Additional features and advantages of embodiments of the invention will be set forth in part in the description which follows and in part will be apparent to those having ordinary skill in the art from the teachings herein.
Drawings
Embodiments of the invention will hereinafter be described in detail with reference to the accompanying drawings, illustrated elements not limited to the scale shown in the drawings, wherein like or similar reference numerals denote like or similar elements, and wherein:
fig. 1A-1E illustrate various views of an ozone generator according to an embodiment of the invention;
fig. 2A to 2H illustrate various views of a ground electrode according to various embodiments of the present invention;
fig. 3A to 3H illustrate various views of a ground electrode according to various embodiments of the present invention;
fig. 4A to 4B show various views of a high voltage discharge device according to an embodiment of the present invention;
fig. 5A to 5D show various views of a high voltage fuse according to an embodiment of the present invention.
10. An ozone generator;
20. a plate-type ozone generating module; 200. a first surface; 202. a second surface; 205. an air inlet; 206. an air outlet;
21. a ground electrode; 210. a contact surface; 211. a cooling fluid passage; 2114. a communicating groove; 212. a micro-airway; 2120. a narrowing portion; 213. a first longitudinal air slot; 214. a second longitudinal gas channel; 215. an air inlet; 216. an air outlet;
22. a ground electrode; 222. a micro-airway; 2220. a narrowing portion; 223. a first longitudinal air slot; 224. a second longitudinal gas slot; 229. accommodating grooves;
24. a ground electrode; 240. a contact surface; 242. a micro-airway; 2420. an inflow section; 2421. an outflow section; 2424. an intermediate labyrinth section; 2426. a dividing strip; 2427. a flared part; 2429. a narrowing portion; 243. a first longitudinal air slot; 244. a second longitudinal gas channel; 245. an air intake; 246. an air outlet;
25. a ground electrode; 252. a micro-airway; 2520. an inflow section; 2521. an outflow section; 2524. an intermediate labyrinth section; 2526. a dividing strip;
32. a high voltage safety device; 321. a first conductive wire 322, a second conductive wire 323, a first elastic insulating sheath; 324. a second elastic insulating sheath; 325. a fuse tube; 326. a thermally conductive insulating plate; 3260. 3262, 3264, slot; 3261. 3263, 3265, positioning acute angle; 3266. 3267, spacer portion; 3268. 3269, an electrical connection; 327. an insulating and heat insulating film; 328. fusing the wires; 329. extinguishing the particles;
40. a high voltage discharge device; 42. a joint portion; 44. a dielectric plate; 46. a high voltage electrode plate;
50. a partition plate; 51. a front panel; 52. a rear panel; 53. a top stringer; 54. folding edges; 55. a bottom groove; 57. a top groove; 58. the bottom is open; 59. the top is open;
60. an electrical component; 61. driving a variable frequency power supply; 62. a converter transformer; 63. a resonant high voltage coil; 64. controlling the display unit; 65. a filter; 66. controlling a power supply;
81. a cooling fluid inflow pipe joint; 82. a cooling fluid outlet fitting; 83. an air inlet pipe joint; 84. an air outlet pipe joint; 88. a flow meter connector;
90. a forced air supply device; 91. hanging a plate on the top; 92. a bottom foot; 96. and a power supply terminal.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following detailed description and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
In the description herein of the "ground electrode" and the "high-voltage discharge device" and the plate-like member thereof, the "surface" refers to the side of the extended surface of the plate, and may also be referred to as the "plate surface", without being limited to a plane and may have different heights (e.g., depressions or protrusions) on the same "surface"; "side" refers to the narrow sides of the board other than the top and bottom.
In various embodiments of the present invention, an ozone generator, in particular an ozone generator based on a plate-type ozone generation module, and related ozone generator components are provided. The plate-type ozone generating module of the ozone generator may include a plurality of stacked plate-shaped ground electrodes and at least one high voltage discharge device located between the adjacent ground electrodes.
In some embodiments of the invention, the ozone generator, particularly an ozone generator based on a plate-type ozone generating module, which is for example not expandable, may be applied in a portable small chassis application.
Reference is now made to the embodiments illustrated in the drawings and described below in conjunction with the following figures.
In some embodiments of the invention, ozone generators, particularly those based on plate-type ozone generating modules, which are not expandable, for example, may be used in portable small cabinet applications (e.g., 100g production volume products).
Referring to fig. 1A-1E, an ozone generating device, such as a cabinet ozone generator 10, is shown according to another embodiment of the present invention. The chassis-type ozone generator 10 can include a housing, a plate-type ozone generating module 20, and a heat generating electrical component 60. In the illustrated embodiment, the plate-type ozone generating module 20 can include a pair of ground electrodes (e.g., a pair of end ground electrodes), a high voltage discharge device (not shown) disposed between the ground electrodes, and a high voltage fuse (not shown) electrically connected to the high voltage discharge device, for example, by a plug. In some embodiments, the pair of ground electrodes (e.g., a pair of end ground electrodes) is shown, for example, in fig. 2A-2H or fig. 3A-3H. In some embodiments, a high voltage discharge device is shown, for example, in fig. 4A-4B. In some embodiments, the high voltage fuse 32 is shown, for example, in fig. 5A-5D.
In the illustrated embodiment, the case includes a front panel 51, a rear panel 52, a bottom panel, a top panel (the top panel is removed to show the internal structure), and a pair of side panels (one of which is removed to show the internal structure). In the illustrated embodiment, the base plate includes a pair of flaps 54. In the illustrated embodiment, the box may also include a pair of top stringers 53. In the illustrated embodiment, the base plate and its flaps may form a bottom recess 55 in the bottom of the case. Similarly, the top plate and stringer 53 form a top recess 57 in the top of the box.
With continued reference to fig. 1A-1E, the cabinet ozone generator 10 can further include a partition 50 mounted upright within the housing, whereby the partition separates a gas generation chamber on a rear side and an electrical chamber on a front side within the housing, wherein the plate ozone generation module 20 is located within the gas generation chamber, and a plurality of heat generating electrical components are disposed within the electrical chamber.
In the illustrated embodiment, the partition at least partially defines a bottom opening 58 and a top opening 59. As shown in fig. 1A, the bottom plate and its flap 54 cooperate with the partition 50 to form the bottom opening 58. More specifically, a bottom opening 58 is formed in a bottom groove 55 formed in the bottom plate by means of the partition 50 being supported by the flange 54. As shown in fig. 1A, the longitudinal beams 53 may space the top plate from the bulkhead 50 to form the top opening 59. More specifically, the longitudinal beams 53 are supported by means of the bulkheads 50, forming a roof opening 59 in the roof groove 57.
As shown in fig. 1A to 1E, the top opening 59 is an elongated opening. In the embodiment shown, the top opening 59 has a width greater than the bottom opening 58 and an area less than the bottom opening. In these embodiments, reducing the height and area of the top opening appears to be detrimental to the formation of a good circulating cooling airflow, but the inventors have found that this achieves a balance of higher and more stable circulating airflow and improves the cooling effect, while also ensuring safety and moisture barrier effects.
In the embodiment shown, a forced air supply device 90, such as a fan, may also be provided at the bottom opening 58 for creating a circulating cooling air flow circulating through the top and bottom openings in the gas generation chamber and the electrical chamber, and in particular creating a circulating cooling air flow flowing from the gas generation chamber into the electrical chamber through the bottom opening and from the electrical chamber into the gas generation chamber through the top opening. As shown in fig. 1A, the bottom opening 58 is completely covered by the forced air blowing device 90, which enables higher cooling fluid stability.
Therefore, the cabinet-type ozone generator according to the embodiment of the present invention not only has an extremely compact structure to achieve portability, but also achieves high safety by substantially separating the gas reaction part and the electric part, and also can reduce or avoid dew condensation of the gas reaction part and reduce or avoid moisture from affecting the electric element. Further, cooling of the heat generating electrical components can be effectively achieved by means of the top and bottom openings in the embodiments of the present invention, and further by means of the forced air blowing means. In particular, the forced air supply means, such as a fan, according to the embodiment of the present invention is not provided for directly blowing the heat generating elements in an intuitive manner, but causes the circulating cooling air flow together with the top and bottom openings, instead achieving a higher cooling effect, and the cooling effect is more continuously stable. This may help the ozone generator to maintain a high ozone generation efficiency stably for a long period of time.
With continued reference to fig. 1A-1E, the chassis-type ozone generator 10 can further include at least one (e.g., a pair of) top cladding panels 91 and at least one bottom leg 92 for suspending and supporting the panel-type ozone generating module within the gas generating chamber to form a clearance to avoid the top and bottom openings. The clearance of the plate ozone generating module, in particular the ground electrode, away from the top opening 59/bottom opening 58 in this embodiment appears to be less efficient than the heat exchange efficiency of the plate ozone generating module, in particular the ground electrode (plate-like structure), directly facing the top and bottom openings, but the inventors have found that said clearance (e.g. formed by means of said bottom groove 55 and top groove 57) can provide improved cooling efficiency, not necessarily as an explanation of the principle (and should not constitute a limitation), perhaps because said clearance in said embodiment increases the circulation efficiency of the circulating air flow, thereby obtaining improved heat exchange.
With continued reference to fig. 1A-1E, the electrical component 60 may include a driving variable frequency power source 61, a transfer transformer 62 electrically connected to the driving variable frequency power source 61, and a resonant high voltage coil 63 electrically connected to the transfer transformer 62. In some embodiments, the current output by the driving variable frequency power supply 61 is boosted by two stages through the converter transformer 62 and the resonant high voltage coil 63 to achieve the high voltage required by the panel ozone generating module 20. In the embodiment shown, the driving variable frequency power source 61 is vertically disposed between the converter transformer 62 and the resonant high voltage coil 63.
With continued reference to fig. 1A-1E, the electrical component 60 may further include a filter unit 66 connected to the driving variable frequency power supply, a control power supply 65 connected to the filter unit 66, and a control display unit 64 connected to the control power supply 65. By arranging the filter unit in the electric connection circuit, the control power supply can be obtained by the driving power supply and still can normally work, and the control power supply is prevented from being provided by a separate circuit or an additional voltage transformation and rectification device is arranged for the control power supply. In the illustrated embodiment, the control display unit 64 is disposed vertically adjacent to the driving frequency conversion unit 61 and is disposed away from the resonant high-voltage coil. By means of this construction, the influence of the resonant high-voltage coil on the control unit is avoided to a maximum extent.
With continued reference to fig. 1A-1E, the ozone generator 10 can further include a cooling fluid inflow coupling 81, a cooling fluid outflow coupling 82, an air inlet coupling 83, and an air outlet coupling 84 for the plate-type ozone generating modules 20 of the ozone generator 10. The pipe joint may be used to supply or receive cooling fluid to or gas from the ground electrode as described in fig. 2A to 2H and/or fig. 3A to 3H.
With continued reference to fig. 1A-1E, the ozone generator 10 can further include a flow meter connector 88 for detecting and controlling the flow rate of the plate-type ozone generating module 20.
With continued reference to fig. 1A-1E, the ozone generator 10 can further include power supply terminals 96 in the rear panel 52 that can, for example, electrically connect to drive the variable frequency power supply 61. In the illustrated embodiment, electrical connections are not shown, but may be provided as desired, such as may extend from the gas generation chamber through the partition to the electrical chamber.
As described above, the plate-type ozone generating module 20 may include stacked ground electrodes and a high voltage discharging device disposed between the ground electrodes.
Referring to fig. 2A to 2H, various embodiments of a ground electrode according to an embodiment of the present invention are described.
Fig. 2A to 2D show the ground electrode 21 according to one embodiment of the present invention. The ground electrode 21 includes a plate body having a first surface 200, a second surface 202, a first side and a second side, and a cooling fluid passage 211 formed inside the plate body. The cooling fluid passage 211 may comprise a bore hole formed in the interior of the plate body and a communication groove 2114 communicating with adjacent bore holes, so that, for example, a single loop of meandering cooling fluid line may be formed in the ground electrode 21. Alternatively, a cooling fluid passage communicating with the adjacent ground electrode may be formed, for example, by the communication groove 2114. Optionally, the bore is selectively closable or openable to provide a bottom (or top) access for cooling fluid to or from the ground electrode. The specific structure and function of the cooling fluid channels will not be described in detail herein.
With continued reference to fig. 2A-2D, in the illustrated embodiment, the plate body has a contact surface 210 for abutting a high voltage discharge device in at least one of the first and second surfaces (first surface 200 in the illustrated embodiment) and a plurality of laterally juxtaposed microchannels 212 formed recessed from the contact surface 210. In the illustrated embodiment, the contact surface 210 and micro gas channels 212 may be formed, for example, in a surface depression of the plate body. In the illustrated embodiment, the ground electrode 21 may further include a first longitudinal air groove 213 at the first side and a second longitudinal air groove 214 at the second side. In the illustrated embodiment, the first and second longitudinal air slots 213, 214 are sink slots.
With continued reference to fig. 2A-2D, each micro-airway 212 may extend from the first longitudinal air slot 213 to a second longitudinal air slot 214 and have a constriction 2120 adjacent to the second longitudinal air slot 214.
Thus, the ground electrode of the embodiments of the present invention has a highly integrated plate-like structure. Furthermore, it was surprisingly found that the provision of a constriction that locally reduces the microchannel flow area and appears to cause unsteady gas flow, allows for more efficient ozone production than the intuitive concept of increasing the microchannel flow area as much as possible to increase gas production and ensuring uniform distribution of the channels as much as possible to increase gas production.
As shown in fig. 2A to 2D, the constriction comprises a constriction, preferably an arc-shaped constriction having symmetrical arc-shaped sides. Optionally, the necking ratio of the necked section is between 1:2.5 and 1:15, preferably between 1:5 and 1:10, providing a greatly narrowed necking ratio can provide a more efficient ozone production efficiency. Optionally, the ratio of the length of the necked-down segment to the length of the micro-airways is between 1:5 and 1: 20.
As shown in fig. 2A to 2D, the narrowing further includes a small diameter section 2122 connecting the necking section and the second longitudinal air groove, preferably, the small diameter section is a straight section or a slightly expanded section. The length of the small diameter section is significantly less than the length of the neck section, e.g., the ratio of the length of the small diameter section to the length of the neck section is less than 1: 10. Surprisingly, the small diameter section with a small length can be beneficial to further improve the ozone production efficiency, and by way of explanation and not limitation, the small diameter section is supposed to be beneficial to quickly discharging the generated ozone, and the necking section allows the reaction oxygen to fully react to generate ozone through discharge.
In the embodiment shown in fig. 2A to 2D, the ground electrode 21 is a first end ground electrode, for example, a start end ground electrode. The plate body of the first end ground electrode 21 has the contact surface 210 and the micro air channels 212 only on the first surface 200, and the second surface of the plate body constitutes an end surface.
As shown in fig. 2D, the plate body of the first end ground electrode 21 further includes an air inlet hole 215 at the first side and extending from the second surface 202 toward the first surface 200, and an air outlet hole 216 at the second side and extending from the second surface 202 toward the first surface 200. In the illustrated embodiment, the air inlet hole 215 is disposed offset from the first longitudinal air groove 213, that is, in a planar projection, the air inlet hole 215 is located outside the first longitudinal air groove 213. In the illustrated embodiment, the air outlet 216 is disposed offset from the second longitudinal air slot 214.
As shown in fig. 2C, the plate body of the first end ground electrode 21 further includes at least one (e.g., a pair of) first long holes 217 for communicating the air inlet hole 215 and the first longitudinal air groove 213, and at least one (e.g., a pair of) second long holes 218 for communicating the second longitudinal air groove 214 and the air outlet hole 216. In the illustrated embodiment, the pair of first long holes 217 is symmetrically disposed with respect to the lateral center axis of the ground electrode; the pair of second long holes 218 is symmetrically arranged with respect to the lateral center axis of the ground electrode. As best shown in FIG. 2B, the first slot is disposed parallel to and offset from the first longitudinal air slot. In the illustrated embodiment, the first longitudinal air slot 213 is located at a first height in the first surface 200, and the first elongated hole 217 is located at a second height in the first surface 200 that is greater than the first height. As best shown in FIG. 2B, the second slot 218 is disposed parallel to and offset from the second longitudinal air slot 214. The second longitudinal air slot 214 is located at a third height (e.g., the same height as the first longitudinal air slot) in the first surface 200, and the second slot 218 is located at a fourth height (e.g., the same height as the first slot) in the first surface 200 that is greater than the third height.
As shown in fig. 2B, the plate body may further include a bore for communicating the elongated hole and the air inlet/outlet hole, which may be parallel to the longitudinal air groove.
With continued reference to fig. 2E-2H, a ground electrode 22 is shown according to another embodiment of the present invention. The ground electrode 22 includes a plate body having a first surface 200, a second surface 202, a first side and a second side, and a cooling fluid channel formed in the interior of the plate body.
With continued reference to fig. 2E-2H, in the illustrated embodiment, the plate body has a contact surface for abutting a high voltage discharge device in at least one of the first and second surfaces (first surface 202 in the illustrated embodiment) and a plurality of laterally juxtaposed microchannels 222 recessed from the contact surface. In the illustrated embodiment, the contact surfaces and micro-channels 222 may be formed, for example, in recessed areas of the surface of the plate body. In the illustrated embodiment, the ground electrode 21 may further include a first longitudinal air groove 223 at the first side and a second longitudinal air groove 224 at the second side. In the illustrated embodiment, the first and second longitudinal gas grooves 223, 224 are sink grooves.
With continued reference to fig. 2E-2H, each micro air passage extends from the first longitudinal air slot to the second longitudinal air slot and has a constriction 2220 adjacent the second longitudinal air slot.
In the embodiment shown in fig. 2E to 2H, the ground electrode 22 is a second end ground electrode, for example a terminal ground electrode, the plate body of which has the contact surface and the micro air channels only on the second surface 202, the first surface of the plate body constituting the end surface.
The ground electrode 22 has similar contact surfaces, micro gas channels and longitudinal gas grooves, which are different from the ground electrode 21 mainly in that the contact surfaces, micro gas channels and longitudinal gas grooves of the ground electrode 22 are formed in the second surface 202. Optionally, the surface depression region of the ground electrode 22 is deeper. The ground electrode 22 has no air inlet hole and air outlet hole, compared to the ground electrode 21.
In the illustrated embodiment, the ground electrode 22 may further include an accommodation groove 229 in the second surface for accommodating a connector portion of the high voltage discharge device.
Although not shown in the drawings, in some embodiments a ground electrode pair for an ozone generator is provided that includes a stacked pair of end ground electrodes, such as the embodiments shown in fig. 2A-2H. In these embodiments, the first longitudinal air grooves of the pair of end ground electrodes communicate in the stacking direction, and the second longitudinal air grooves of the pair of end ground electrodes communicate in the stacking direction.
In a preferred embodiment, in the projection of the plane, the first longitudinal groove and the offset first long hole of the first end ground electrode are located in an envelope of the first longitudinal groove of the second end ground electrode, and the second longitudinal groove and the offset second long hole of the first end ground electrode are located in an envelope of the second longitudinal groove of the second end ground electrode. This improves the gas production efficiency.
Although not shown in the drawings, in some embodiments, a plate-type ozone generating module is provided, which includes a stack of the above-described ground electrode pairs and a plurality of high-voltage discharge devices located between adjacent ground electrodes. In a preferred embodiment, in the projection of the plane, the first longitudinal groove and the offset first long hole of the first end ground electrode are located in an envelope of the first longitudinal groove of the second end ground electrode, and the second longitudinal groove and the offset second long hole of the first end ground electrode are located in an envelope of the second longitudinal groove of the second end ground electrode. This can improve the gas production efficiency. In a further preferred embodiment, the first and second elongated holes of the first end ground electrode are located outside the envelope of the high-voltage discharge device in a projection in a plane. This can greatly improve the gas production efficiency.
Although not shown in the drawings, in some embodiments, a plate-type ozone generating module is provided, which includes a pair of stacked ground electrodes and a high voltage discharge device between adjacent ground electrodes.
Referring to fig. 3A to 3H, various embodiments of a ground electrode according to an embodiment of the present invention are described.
Fig. 3A to 3D show the ground electrode 24 according to one embodiment of the present invention. The ground electrode 24 includes a plate body having a first surface, a second surface, a first side and a second side, and a cooling fluid passage formed inside the plate body.
In the embodiment shown in fig. 3A to 3D, the plate body has a contact surface 240 for abutting against the high voltage discharge device in at least one of the first and second surfaces (here the first surface), and at least one (here one) micro gas channel 242 recessed from the contact surface.
The ground electrode 24 may further include a first longitudinal air groove 243 at the first side and a second longitudinal air groove 244 at the second side. In the illustrated embodiment, the first and second longitudinal air slots 243, 244 are sink slots.
In the embodiment shown in fig. 3A to 3D, the micro air channel 242 extends zigzag from the first longitudinal air groove 243 to the second longitudinal air groove 244. Thus, the ground electrode of the embodiments of the present invention has a highly integrated plate-like structure. In addition, compared with the intuitive concept of increasing the flow area of the micro-channel as much as possible to improve the gas production rate and ensuring that the straight channels are uniformly arranged in parallel as much as possible to ensure uniform gas flow to improve the gas production rate, the embodiment of the invention has the surprising discovery that the arrangement of the zigzag micro-channel causes the micro-channel and the flow area thereof not to be uniformly distributed, so that the more efficient ozone preparation efficiency can be obtained.
In the embodiment shown in fig. 3A-3D, the micro air channel 242 may include an inflow section 2420 adjacent the first longitudinal air slot, an outflow section 2421 adjacent the second longitudinal air slot, and an intermediate tortuous section 2424 between the inflow and outflow sections.
In the embodiment shown in fig. 3A-3D, the intermediate labyrinth 2424 has a flare 2427, e.g., an arcuate flare, adjacent the inflow section and/or a constriction 2428, e.g., an arcuate constriction, adjacent the outflow section. It has surprisingly been found that the ozone production efficiency can be effectively increased by means of a flared section connected to the narrower inflow section and a narrowed section connected to the narrower outflow section.
In the embodiment shown in fig. 3A-3D, the inflow section 2420 is rotationally symmetric with the outflow section 2421. Furthermore, the intermediate meander 2424 has a rotationally symmetric shape with respect to itself. In the embodiment shown in fig. 3A to 3D, the centres of rotation of the inflow and outflow sections coincide with the centres of rotation of the intermediate meandering sections. The rotational symmetry structure of the zigzag-extending micro-air passage can further improve the ozone preparation efficiency.
In the embodiment shown in fig. 3A-3D, the intermediate meandering segment 2424 comprises a plurality of longitudinal straight segments (3 here) and at least one transverse curved segment (two here) connecting adjacent longitudinal straight segments. The illustrated intermediate labyrinth 2424 is generally inverted S-shaped. As shown in the figure, the incident flow surfaces of the middle zigzag sections are all arranged in an arc shape.
In the embodiment shown in fig. 3A-3D, the intermediate meandering section 2424 includes a divider 2426 that extends along the intermediate meandering section 2424 at a widthwise midline of the intermediate meandering section 2424. Optionally, the separator bar extends substantially along the entire length of the intermediate labyrinth and is spaced apart from the inflow and outflow sections, for example in the range of 10% (± 8%) to 90% (± 8%) of the intermediate labyrinth. Optionally, the separator bar is configured to be snugly fit against the high voltage discharge device. In these embodiments, the end points of the dividing strip are positioned adjacent to the inflow section and the outflow section, which appear to cause the airflow to be less even and to achieve more efficient ozone production efficiency.
In the embodiment shown in fig. 3A-3D, the intermediate labyrinth 2424 has a wider width and a smaller depth than the inflow section 2420 and/or the outflow section 2421. Preferably, the ratio of the width of the intermediate meander to the inflow and/or outflow section is greater than 2:1, preferably between 3:1 and 10: 1. Optionally, the ratio of the depth of the intermediate meandering segment to the inflow segment and/or outflow segment is less than 1:2, preferably between 1:3 and 1: 10. Such a width/depth ratio is effective to achieve higher gas production efficiency.
In the embodiment shown in fig. 3A to 3D, the ground electrode 24 is a first end ground electrode, the plate body of the first end ground electrode has the contact surface and the micro air channels only on a first surface, and a second surface of the plate body constitutes an end surface.
In the embodiment shown in fig. 3A to 3D, the plate body of the first end ground electrode 24 further includes an air inlet hole 245 at the first side and extending from the second surface toward the first surface, and an air outlet hole 246 at the second side and extending from the second surface toward the first surface. In the illustrated embodiment, the inlet holes 245 and outlet holes 246 extend through the plate body and communicate with the longitudinal air channels. For example, the inlet holes 245 intersect the first longitudinal air groove 243 such that the outboard longitudinal edge of the first longitudinal air groove 243 extends through the diameter of the inlet holes 245, and the outlet holes 246 intersect the second longitudinal air groove 244 such that the outboard longitudinal edge of the second longitudinal air groove 244 extends through the diameter of the outlet holes 246.
Referring to fig. 3E to 3H, a ground electrode 25 of another embodiment is shown. The ground electrode 25 is a second end ground electrode, the contact surface and the micro air channel are only arranged on the second surface of the plate body of the second end ground electrode, and the first surface of the plate body forms an end surface.
Similar to the ground electrode 24, the ground electrode 25 also has a micro air passage 252 extending meanderingly from the first longitudinal air groove to the second longitudinal air groove. Similarly, the micro air channel 252 may include an inflow segment 2520 adjacent the first longitudinal air slot, an outflow segment 2521 adjacent the second longitudinal air slot, and an intermediate labyrinth segment 2524 between the inflow and outflow segments. Similarly, the intermediate meandering segment 2524 includes a dividing bar 2526 extending along the intermediate meandering segment 2524 midway across the width of the intermediate meandering segment 2524. The difference is that these micro-airway related features are formed at the second surface.
The micro air channels and the longitudinal air grooves of the ground electrode 25 may have micro air channels and longitudinal air grooves similar to the ground electrode 24, but are inverted symmetrically. Except that the ground electrode 25 does not have an air inlet/outlet hole. Further, the ground electrode 25 may further include a receiving groove in the second surface for receiving the connector part of the high voltage discharge device.
Although not shown in the drawings, in some embodiments a ground electrode pair for an ozone generator is provided that includes a first end ground electrode, a second end ground electrode, as described above, in the embodiments shown in fig. 3A-3H, for example, in a stacked arrangement. In these embodiments, the first longitudinal air grooves of the pair of end ground electrodes communicate in the stacking direction, and the second longitudinal air grooves of the pair of end ground electrodes communicate in the stacking direction.
In a preferred embodiment, in a projection of a plane, the first longitudinal groove and the air inlet hole of the first end portion ground electrode are located in an envelope of the first longitudinal groove of the second end portion ground electrode, and the second longitudinal groove and the air outlet hole of the first end portion ground electrode are located in an envelope of the second longitudinal groove of the second end portion ground electrode. This improves the gas production efficiency.
Although not shown in the drawings, in some embodiments, a plate-type ozone generating module is provided, which includes a pair of stacked ground electrodes and a high voltage discharge device between adjacent ground electrodes.
Referring to fig. 4A and 4B, a high voltage discharge device 40 according to an embodiment of the present invention is shown. In the illustrated embodiment, the high voltage discharge device 40 may include a tab portion 42 for electrically connecting the high voltage fuse (e.g., by means of a bayonet connection), a high voltage electrode plate 46, and a pair of dielectric plates 44 on either side of the electrode plate.
In some embodiments, the high voltage discharge device 40 is used to generate a high voltage corona discharge to cause the gas to react in the micro-channels of the ground electrode to generate ozone. The principle and the components of the high-voltage discharge device are not described in detail herein.
In some embodiments, the high voltage discharge device 40 may have a width wider than the contact surface of the ground electrode, thereby extending into and partially covering the longitudinal air grooves of both sides.
Referring to fig. 5A-5D, an embodiment of a high voltage fuse 32 for an ozone generator is shown. The illustrated high voltage fuse 32 may include a first wire 321 at a first end; a second lead 322 at a second end; a fuse 325; a thermally conductive insulating plate 326 disposed within the fuse tube 325; at least one (illustratively one sheet of fully circumferentially wrapped) insulating and heat insulating film 327; a fuse 328 extending within the sealed chamber and connecting the first and second conductors and an extinguishing particle 329 or extinguishing fluid contained within the fuse 325. The extinguishing particles 329 are, for example, quartz sand. In the illustrated embodiment, the high voltage fuse 32 may further include a first resilient insulating sheath 323 disposed over the fuse tube at the first end and a second resilient insulating sheath 324 disposed over the fuse tube at the second end.
As shown in fig. 5A and 5C, the at least one insulating and heat insulating film 327 covers the heat conducting and insulating plate 326 to enclose the sealed cavity. Therefore, the high-voltage safety device for the ozone generator can have the capability of long-term stable operation and has extremely high safety. By way of explanation and not limitation, in particular by means of the thermally conductive insulating plate, on the one hand it is possible to allow the high temperatures which are subjected to severe conditions and which would normally cause fuses to rapidly conduct heat away by means of the thermally conductive insulating plate, and it is also possible to ensure that the thermally conductive dielectric insulating plate maintains a high structural stability; on the other hand, the fuse wire can effectively conduct extremely high temperature which is possibly caused when the fuse wire is in overload failure to the whole heat-conducting insulating plate, so that the insulating and heat-insulating film is melted and extinguishing particles or extinguishing fluid are caused to cover the fuse wire, and the phenomenon that fire is caused or the generated combustion is extinguished as soon as possible is avoided.
As shown in fig. 5D, the heat conductive and insulating plate 326 may include a plurality of elongated holes 3260, 3262, 3264 (for example, an odd number, here, 3) spaced apart in the axial direction, and a spacer portion 3266, 3267 located between the plurality of elongated holes. In some embodiments, the fusible link extends along the plurality of elongated holes and straddles the spacer. Thus, the operational stability and the structural strength of the high-voltage fuse device can be greatly improved by the fuse wire extending in the elongated hole and straddling the spacer. In the embodiment shown in fig. 5C, the fusible links extend along the plurality of elongated holes and alternately straddle the spacer portions on the top and bottom surfaces of the heat-conductive insulating plate. This can further balance fuse structure loading, providing greater operational stability and structure length.
As shown in fig. 5D, the elongated holes 3260, 3262, 3264 can include acute positioning angles 3261, 3263, 3265 at the axial ends. The acute angle can further increase the operational stability of the high-voltage fuse, which in particular allows a better alignment of the wires and fuses at both ends.
As shown in fig. 5D, the high voltage fuse device further includes two electrical connection portions 3268, 3269 at both ends of the thermally conductive insulating plate for electrically connecting both ends of the fusible link to the first and second conductive wires, respectively. Referring collectively to fig. 5A and 5C, the electrical connections 3268, 3269 are encased between the thermally conductive and insulating plate and the insulating and thermally insulating film. Such an encapsulated electrical connection prevents the connection point from becoming the primary heat transfer point for fuse failure, which is believed to significantly improve the operational stability of the high voltage fuse. Preferably, the electrical connection is a weld, such as a solder.
In one embodiment, the thermally conductive and insulating plate is made of a high temperature resistant inorganic dielectric material, preferably ceramic.
In one embodiment, the safety tube is transparent, preferably a transparent quartz tube. This may provide better failure monitoring capabilities for the operator or monitoring device.
In some embodiments, the insulating and heat insulating film may have a melting point higher than that of the fuse.
Unless specifically stated otherwise, methods or steps recited in accordance with embodiments of the present invention need not be performed in a particular order and still achieve desirable results. In some embodiments, multitasking and parallel processing may also be possible or may be advantageous.
While various embodiments of the invention have been described herein, the description of the various embodiments is not intended to be exhaustive or to limit the invention to the precise forms disclosed, and features and components that are the same or similar to one another may be omitted for clarity and conciseness. As used herein, "one embodiment," "some embodiments," "examples," "specific examples," or "some examples" are intended to apply to at least one embodiment or example, but not to all embodiments, in accordance with the present invention. The above terms are not necessarily meant to refer to the same embodiment or example. Various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Exemplary systems and methods of the present invention have been particularly shown and described with reference to the foregoing embodiments, which are merely illustrative of the best modes for carrying out the systems and methods. It will be appreciated by those skilled in the art that various changes in the embodiments of the systems and methods described herein may be made in practicing the systems and/or methods without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A cabinet ozone generator, comprising:
a box body;
a partition mounted upright within the enclosure, the partition separating a gas generation chamber and an electrical chamber within the enclosure, wherein the partition at least partially defines a top opening and a bottom opening;
the plate-type ozone generating module is positioned in the gas generating chamber;
a heat generating electrical component located within the electrical chamber;
and forced air supply devices arranged at the top opening and/or the bottom opening and used for forming circulating cooling air flows circulating through the top opening and the bottom opening in the gas generation chamber and the electrical chamber.
2. The chassis ozone generator of claim 1, wherein the forced air supply is configured to create a circulating cooling airflow from the gas generating chamber through the bottom opening into the electrical chamber and from the electrical chamber through the top opening into the gas generating chamber.
3. The cabinet ozone generator of claim 1 or 2, wherein the forced air supply means is disposed at the bottom opening and is located in the gas generation chamber.
4. The chassis ozone generator of any of claims 1 to 3, wherein the top opening is an elongate opening, optionally the top opening has a width greater than the bottom opening and an area less than the bottom opening.
5. The chassis-type ozone generator of any one of claims 1 to 4, wherein the electrical components include a drive variable frequency power supply, a converter transformer electrically connected to the drive variable frequency power supply, and a resonant high voltage coil electrically connected to the converter transformer.
6. The chassis-type ozone generator of claim 5, wherein the drive variable frequency power supply is vertically disposed between the converter transformer and the resonant high voltage coil.
7. The cabinet ozone generator of claim 5 or 6, wherein the electrical components further comprise a filter unit connected to the drive variable frequency power supply, a control power supply connected to the filter unit, and a control display unit connected to the control power supply.
8. The chassis-type ozone generator of claim 7, wherein the control display unit is vertically disposed adjacent to the drive frequency conversion unit and away from the resonant high voltage coil.
9. A cabinet ozone generator according to any one of claims 1 to 8 wherein the cabinet includes a floor, a roof, a front panel, a rear panel and a pair of side panels; optionally, the bottom plate comprises a pair of flaps that together with the partition form the bottom opening; optionally, the box may further comprise a pair of roof rails, the rails spacing the roof panel from the bulkhead to form the roof opening.
10. The chassis-type ozone generator of any one of claims 1 to 9, further comprising at least one top hanging panel and at least one bottom foot for hanging and supporting the panel-type ozone generating module within the gas generating chamber to form a clearance to avoid the top and bottom openings.
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CN202110035734.3A CN114763254A (en) | 2021-01-12 | 2021-01-12 | Cabinet type ozone generator |
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CN202110035734.3A CN114763254A (en) | 2021-01-12 | 2021-01-12 | Cabinet type ozone generator |
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JPH1121960A (en) * | 1997-06-27 | 1999-01-26 | Narumi China Corp | Washhand device of ozonized water |
CN101448995A (en) * | 2006-05-18 | 2009-06-03 | 三洋电机株式会社 | Washing machine |
CN204275106U (en) * | 2014-11-17 | 2015-04-22 | 青岛国林实业股份有限公司 | A kind of Air-disinfection with Ozone machine |
CN111348625A (en) * | 2020-04-10 | 2020-06-30 | 新大陆科技集团有限公司 | Ozone generation system of open discharge area |
CN215667154U (en) * | 2021-01-12 | 2022-01-28 | 北京科胜美科技有限公司 | Cabinet type ozone generator |
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2021
- 2021-01-12 CN CN202110035734.3A patent/CN114763254A/en active Pending
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Publication number | Priority date | Publication date | Assignee | Title |
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JPH1121960A (en) * | 1997-06-27 | 1999-01-26 | Narumi China Corp | Washhand device of ozonized water |
CN101448995A (en) * | 2006-05-18 | 2009-06-03 | 三洋电机株式会社 | Washing machine |
CN204275106U (en) * | 2014-11-17 | 2015-04-22 | 青岛国林实业股份有限公司 | A kind of Air-disinfection with Ozone machine |
CN111348625A (en) * | 2020-04-10 | 2020-06-30 | 新大陆科技集团有限公司 | Ozone generation system of open discharge area |
CN215667154U (en) * | 2021-01-12 | 2022-01-28 | 北京科胜美科技有限公司 | Cabinet type ozone generator |
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