CN108455535B - Ozone generator with positioning protrusions - Google Patents
Ozone generator with positioning protrusions Download PDFInfo
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- CN108455535B CN108455535B CN201810580253.9A CN201810580253A CN108455535B CN 108455535 B CN108455535 B CN 108455535B CN 201810580253 A CN201810580253 A CN 201810580253A CN 108455535 B CN108455535 B CN 108455535B
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- plug
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- hole
- end part
- central electrode
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- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 238000009423 ventilation Methods 0.000 claims description 36
- 238000007789 sealing Methods 0.000 claims description 19
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- 230000017525 heat dissipation Effects 0.000 claims description 9
- 210000003298 dental enamel Anatomy 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000004134 energy conservation Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 16
- 238000001816 cooling Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 230000005684 electric field Effects 0.000 description 4
- 239000000037 vitreous enamel Substances 0.000 description 3
- 241000208818 Helianthus Species 0.000 description 2
- 235000003222 Helianthus annuus Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229920002313 fluoropolymer Polymers 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
Classifications
-
- 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
- C01B2201/14—Concentric/tubular 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
- C01B2201/20—Electrodes used for obtaining electrical discharge
- C01B2201/22—Constructional details of the electrodes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
Abstract
An ozone generator with positioning protrusions comprises a center electrode, an outer ring electrode and a plug; the outer ring electrode is sleeved outside the central electrode, so that a gas gap is formed between the outer circumferential surface of the central electrode and the inner circumferential surface of the outer ring electrode; the two ends of the central electrode respectively extend out of the outer ring electrode, the plug is provided with an axial through hole, and the plug is respectively sleeved at the two ends of the outer ring electrode and the central electrode through the axial through hole; the inner wall of the axial through hole is provided with a positioning bulge which protrudes inwards and is abutted against the outer circumferential surface of the central electrode. According to the ozone generator, the positioning protrusion is arranged on the inner wall of the plug to position the central electrode, so that the coaxiality of the central electrode and the outer ring electrode is ensured, the space of a gas gap is consistent, the discharge is uniform, the production efficiency of ozone is ensured to be stable, and the power consumption is reduced to achieve the effect of energy conservation.
Description
Technical Field
The invention relates to a gas generator, in particular to an ozone generator.
Background
Ozone generators generally include a central electrode tube and an outer ring electrode tube that are energized with an alternating high voltage electric field to shock oxygen to produce ozone. The coaxiality positioning precision between the central electrode tube and the outer ring electrode tube of the existing ozone generator is not high, so that the width of a gas gap between the central electrode tube and the outer ring electrode tube is inconsistent, the discharge is uneven, the ozone production efficiency fluctuates, the power consumption is high, and the energy is not saved.
Disclosure of Invention
According to one aspect of the present invention, there is provided an ozone generator provided with a positioning protrusion, comprising a center electrode, an outer ring electrode and a plug; the outer ring electrode is sleeved outside the central electrode, so that a gas gap is formed between the outer circumferential surface of the central electrode and the inner circumferential surface of the outer ring electrode; the two ends of the central electrode extend out of the outer ring electrode respectively, the plug is provided with an axial through hole, and the plug is sleeved at the ends of the outer ring electrode and the central electrode through the axial through hole; the inner wall of the axial through hole is provided with a positioning bulge which protrudes inwards and is abutted against the outer circumferential surface of the central electrode.
According to the ozone generator, the positioning protrusion is arranged on the inner wall of the plug to position the central electrode, so that the coaxiality of the central electrode and the outer ring electrode is ensured, the width of a gas gap is consistent, the discharge is uniform, the production efficiency of ozone is ensured to be stable, and the power consumption is reduced to achieve the effect of energy conservation.
In some embodiments, the positioning projection comprises a plurality of individual axial ribs which are uniformly distributed in the circumferential direction on the inner wall of the axial through-hole. The positioning protrusions are independent axial ribs which are uniformly distributed, and the structure is beneficial to improving positioning accuracy.
In some embodiments, the device further comprises two brackets, wherein the brackets are respectively sleeved and fixed on the outer end part of the plug and the tail end part of the central electrode; a ventilation gap is formed between the inner wall of the axial through hole of the plug and the outer circumferential surface of the central electrode, and a vent hole is arranged in the plug and is communicated with the ventilation gap; the end of the plug facing the outer ring electrode is an inner end part, and the inner end part is sleeved on the end part of the outer ring electrode to form an airtight structure and communicate the ventilation gap with the gas gap; the end of the plug facing the bracket is an outer end part, and the outer end part is embedded with the bracket to form an airtight structure. Through the cooperation structure between outer loop electrode, center electrode, end cap and the support, form ventilative gap, provide the air feed passageway for gas gap, guarantee ozone generator's gas tightness simultaneously.
In some embodiments, the outer ring electrode comprises an inner tube and a radiating fin sleeved on the inner tube, and the inner end part of the plug faces the radiating fin and is sleeved on the end part of the inner tube; the inner wall of the inner end part of the plug is also provided with an annular step formed by radial sinking, and the second sealing ring is sleeved on the end part of the inner pipe and is abutted with the annular step to form an airtight structure. Through annular step and second sealing washer, realize the airtight effect between end cap and the outer loop electrode.
In some embodiments, a first annular groove and a second annular groove are formed on the inner end surface of the bracket, the diameter of the first annular groove is larger than that of the second annular groove, and a first annular protrusion is formed between the first annular groove and the second annular groove; the support is sleeved on the outer end part of the plug and the tail end part of the central electrode, wherein the outer end part of the plug is embedded into the first annular groove, and the tail end part of the central electrode is embedded into the second annular groove. Through the cooperation structure between support and end cap, the center electrode, realize airtight effect between the three.
In some embodiments, the device further comprises a first sealing ring sleeved at two ends of the central electrode; the inner wall of the plug is also provided with a protruding ring protruding along the radial direction, which is positioned at the outer side of the positioning protrusion and is shorter than the positioning protrusion; the first annular protrusion is embedded in a gap between the inner wall of the plug and the outer circumferential surface of the center electrode, and the first seal ring is positioned between the protruding ring and the first annular protrusion to form an airtight structure. The air tightness between the bracket and the plug and the air tightness between the bracket and the central electrode are further ensured through the protruding ring and the first sealing ring.
In some embodiments, the device further comprises two brackets, wherein the brackets are respectively sleeved and fixed on the outer end part of the plug and the tail end part of the central electrode; the end face of the bracket is provided with a first flange, a first mounting hole is formed in the first flange, and the bracket further comprises a mounting pipe, one end of which is fixed on the first mounting hole; the inner end surface of the plug is provided with a second flange, a second mounting hole is formed in the second flange, and the mounting pipe is embedded into the second mounting hole; a third mounting hole is formed in the end face of the outer ring electrode; the mounting screw penetrates through the first mounting hole, the mounting pipe and the second mounting hole in sequence and is screwed into the third mounting hole to be fixed. The simple, compact and effective fixed connection relationship among the outer ring electrode, the plug and the bracket is realized through the first flange, the second flange, the mounting tube and the mounting screw.
In some embodiments, a raised ventilation column is arranged on the plug, a ventilation hole penetrating through the ventilation column is arranged on the ventilation column, a first inclined surface is arranged on the outer wall of the ventilation column, and the outer diameter of the ventilation column is reduced outwards; the air vent pipe comprises an air vent column, a fixed nut, a first inclined surface, a second inclined surface, a first inclined surface and a second inclined surface, wherein the fixed nut is screwed on the air vent column through threads; the first inclined surface and the second inclined surface are conical surfaces, or the first inclined surface and the second inclined surface are cambered surfaces; the first inclined surface and the second inclined surface are parallel. The vent column and the fixing nut are provided with inclined planes (a first inclined plane and a second inclined plane), so that the firmness and the tightness of the connection of the air pipes for air supply are ensured.
In some embodiments, the device further comprises two brackets, wherein the brackets are respectively sleeved and fixed on the outer end part of the plug and the tail end part of the central electrode; the support comprises a vertical part and a horizontal part fixed at the bottom end of the vertical part, the vertical part is fixed with the plug, the middle part of the vertical part is provided with a heat dissipation hole, the lower part of the vertical part is provided with a convection hole, and the convection holes of the two supports are opposite along the axial direction; the central electrode is provided with a vent hole which is communicated with the radiating hole; the horizontal part is provided with a hexagonal fixing hole. And convection holes are formed in the support, so that the air cooling efficiency is enhanced.
In some embodiments, the outer ring electrode comprises a metal inner tube and radiating fins sleeved on the metal inner tube, the radiating fins comprise vertical plates and Y-shaped plates which are alternately fixed along the radial direction, the cross section of each vertical plate is vertical, the cross section of each Y-shaped plate is Y-shaped, and the branches of the Y-shaped plates face outwards; the central electrode is a enamel pipe. The radiating fin adopts a sunflower structure (vertical sheets and Y-shaped sheets which are alternately fixed), improves radiating efficiency, adopts a enamel pipe as a central electrode, and has the excellent effects of difficult breakage, difficult cracking, high ozone concentration, stable ozone yield, low attenuation coefficient and long service life.
Drawings
FIG. 1 is a perspective view of an ozone generator of the present invention;
FIG. 2 is a right side view of the ozone generator of the present invention;
FIG. 3 is a partial exploded view of the ozone generator of the present invention;
fig. 4 is a cross-sectional view of an ozone generator according to the invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
Figures 1-4 schematically illustrate an ozone generator according to an embodiment of the invention. As shown, the ozone generator comprises a central electrode 1, an outer ring electrode 2, two plugs 3, two fixing nuts 5, two brackets 6, mounting screws 7 and electrode connecting sheets 8. The ozone generator is approximately of a symmetrical structure, wherein an outer ring electrode 2 is sleeved outside a central electrode 1, a plug 3 and brackets 6 are respectively fixed at two ends of the central electrode 1 through mounting screws 7, an electrode connecting sheet 8 is fixed on one bracket 6 through the mounting screws 7, and a fixing nut 5 is fixed on the plug 3.
The central electrode 1 is a porcelain tube, the enamel is formed by sintering a porcelain enamel material, and the porcelain enamel material is coated on a metal blank which is stamped or cast in advance, and the porcelain enamel material is sintered and formed. The center electrode 1 is made of enamel, and has the advantages of being not fragile, not easy to crack, low in attenuation coefficient and long in service life. The central electrode 1 is provided with a through ventilation hole 11 for air cooling. The end of the central electrode 1 is also fixed with a strip-shaped electrode terminal 12 which extends outside the support 6 for connection to a power source.
The outer ring electrode 2 comprises a hollow inner tube, specifically a metal inner tube 21, and heat radiating fins 22 sleeved on the inner tube. The metal inner tube 21 is sleeved outside the central electrode 1, and an axial gas gap 4 is formed between the inner circumferential surface of the metal inner tube and the outer circumferential surface of the central electrode 1 and is used for introducing oxygen or air to generate ozone through corona discharge. Specifically, the heat dissipation fin 22 includes a vertical fin 221 and a Y fin 222 that are alternately fixed in a radial direction, the cross section of the vertical fin 221 is in a vertical bar shape, the cross section of the Y fin 222 is in a "Y" shape, one end is a single branch, the other end is two branches, and the branches face outwards. The branch end of the Y-shaped fin 222 can effectively increase the heat dissipation area of the heat dissipation fin, and meanwhile, a single branch end can ensure a certain distance from an adjacent vertical fin, so that the heat dissipation fin is not too dense, and the heat dissipation space is ensured. The heat dissipation fins 22 are aluminum alloy fins, which are oxidized in advance to prevent aluminum scale or powder from being generated after oxidation in the use process, so as to influence the heat dissipation effect and increase the energy consumption. A third mounting hole 223 is also provided on both sides of the end surface of the heat dissipating fin 22 for fixing with the plug 3 and the bracket 6.
An axial through hole 31 is arranged in the plug 3, the plug 3 is respectively sleeved on two ends of the center electrode 1 through the axial through hole 31, and a ventilation gap 32 is formed between the inner wall of the axial through hole 31 and the outer circumferential surface of the center electrode 1. One end of the plug 3 facing the outer ring electrode 2 is an inner end part which is sleeved on the end part of the metal inner pipe 21, so that the inner end part of the plug 3 and the outer end part of the metal inner pipe 21 form an airtight structure, and simultaneously, the ventilation gap 32 is communicated with the gas gap 4; the end of the plug 3 facing the bracket 6 is an outer end portion, and the outer end portion is fitted to the bracket 6 to form an airtight structure, so that the end portion of the ventilation slit 32 is airtight sealed. Preferably, the plug 3 further comprises a first sealing ring 33 and a second sealing ring 34. The inner wall of the axial through hole 31 at the inner end of the plug 3 is recessed along the radial direction to form an annular step 313, and the second sealing ring 34 is sleeved on the end of the inner pipe and is abutted with the annular step 313 to form an airtight structure. In this embodiment, the second seal ring 34 is used in a group of two. Preferably, the end of the metal inner tube 21 is chamfered to facilitate insertion into the plug 3.
The inner wall of the axial through hole 31 is provided with a positioning protrusion 311 protruding inward, and the positioning protrusion 311 abuts against the outer circumferential surface of the center electrode 1. The positioning projection 311 includes a plurality of independent axial ribs, which are circumferentially and uniformly distributed on the inner wall of the axial through hole 31. Six ribs are provided in this embodiment. The positioning protrusion 311 can be used for fixing the central electrode 1, ensuring the coaxiality of the central electrode and the outer ring electrode 2, enabling the width of the gas gap 4 to be consistent, discharging to be even, ensuring the production efficiency of ozone to be stable, and reducing the power consumption to achieve the effect of energy conservation. The inner wall of the plug 3 is further provided with a radially protruding collar 312, which is located at the outer side of the positioning protrusion 311 (i.e. at the side close to the support 6) and is shorter than the positioning protrusion 311, i.e. the positioning protrusion 311 protrudes inwards than the collar 312, preventing the collar 312 from contacting the central electrode 1, affecting the positioning accuracy, and the collar 312 is used for fixing the first sealing ring 33 to form an airtight structure with the support 6, as described below.
The plug 3 further comprises a ventilation post 35 protruding radially from its top for connection to the trachea. The plug 3 is provided with a vent hole 36 penetrating radially, one end of the vent hole 36 penetrates through the top of the air column 35, and the other end of the vent hole is communicated with the ventilation gap 32. The outer wall of the ventilation column 35 is provided with a first inclined surface 351 whose outer diameter is reduced outwardly. The outer wall of the ventilation column 35 is also provided with threads, the fixing nut 5 is screwed on the ventilation column 35 through the threads, the inner wall of the fixing nut 5 is provided with a second inclined surface 51, the outer diameter of the second inclined surface 51 is reduced outwards, and the inclined direction of the second inclined surface 51 is the same as that of the first inclined surface 351 of the ventilation column. The first inclined surface 351 and the second inclined surface 51 are spaced apart from each other by a predetermined distance and are opposed to each other. When the ventilation column 35 is connected with the air pipe for introducing air, the end part of the air pipe can be sleeved on the first inclined surface 351, then the second fixing nut 5 is sleeved on the air pipe and screwed on the ventilation column 35, and compared with the common non-inclined surface design, the second inclined surface 51 and the first inclined surface 351 form inclined pressing force on the air pipe together, so that the connection tightness and sealing performance can be better ensured. Specifically, the first inclined surface 351 and the second inclined surface 51 may be tapered surfaces or cambered surfaces, may be smooth surfaces or rough surfaces, and may be relatively parallel or non-parallel, and smooth tapered surfaces parallel to each other are preferable in this embodiment.
The inner end surface (i.e. the end surface of the inner end) of the plug 3 is further provided with a second flange 37, and the second flange 37 is provided with a second mounting hole 38 for fixing with the support 6 and the outer ring electrode 2. Preferably, the second mounting hole 38 has a hexagonal configuration.
Preferably, the plug 3, the first sealing ring 33 and the second sealing ring 34 can be made of plastics, and because the plug 3, the first sealing ring 33 and the second sealing ring 34 need to be contacted with ozone, the plug is preferably made of fluoroplastic, and the fluoroplastic is alkane polymer with part or all hydrogen replaced by fluorine, so that the plug 3 and the ventilation column 35 thereof have excellent flame retardant, oxidation resistant, corrosion resistant and high and low temperature resistant performances, and further can be made of PVDF (polyvinylidene fluoride) material through injection molding.
The bracket 6 comprises a vertical part 61 and a horizontal part 62 fixed at the bottom end of the vertical part, wherein the vertical part 61 is fixed with the plug 3, and the horizontal part 62 is used for supporting. Specifically, the center of the standing portion 61 is provided with a heat radiation hole 614 which is opposed to and communicates with the ventilation hole 11 of the center electrode for achieving air cooling of the center electrode 1. The inner end surface (the end surface facing the plug 3) of the standing part 61 is provided with a first annular groove 611 and a second annular groove 613, the diameter of the first annular groove 611 is larger than that of the second annular groove 613, a first annular protrusion 612 is formed between the first annular groove 611 and the second annular groove 613, the bracket 6 is sleeved on the outer end part of the plug 3 and the terminal part of the center electrode 1, wherein the outer end part of the plug 3 is embedded in the first annular groove 611, and the terminal part of the center electrode 1 is embedded in the second annular groove 613. The first sealing rings 33 are sleeved at both ends of the center electrode 1, the first annular protrusions 612 are embedded in gaps between the inner wall of the plug 3 and the outer circumferential surface of the center electrode 1, and the first sealing rings 33 are located between the protruding rings 312 and the first annular protrusions 612 to form an airtight structure.
A convection hole 615 is also provided below the first annular groove 611 of the stand upright portion of the bracket, and the two convection holes 615 are axially opposite. When the air cooling device is used, a fan can be arranged at one end of the ozone generator, heat on the radiating fins 22 is taken away by air flow, air cooling is achieved, and meanwhile convection can be increased through convection holes 615 of the two supports, so that air cooling efficiency is further improved. The end face of the vertical part 61 is also provided with a first flange 616, two sides of the first flange 616 are respectively provided with a first mounting hole 617, the vertical part further comprises a mounting pipe 618 with one end fixed on the first mounting hole, and the mounting pipe 618 is embedded into a second mounting hole 38 on a second flange of the plug, so that the plug 3 is connected with the bracket 6. The mounting screw 7 passes through the first mounting hole 617 on the bracket, the mounting pipe 618, the second mounting hole 38 on the plug in sequence, and is screwed into the third mounting hole 223 on the radiating fin for fixation. One of the mounting screws 7 is also sleeved with an electrode connecting sheet 8 for connection with a power supply. Compared with the permanent fixing mode adopting the rivet mode in the prior art, the mounting mode among the bracket 6, the plug 3 and the radiating fins 22 is extremely convenient to assemble and disassemble.
The hexagonal fixing holes 621 are formed in the horizontal portion 62 of the support, when the ozone generator is fixed on a working surface through the horizontal portion 62 of the support, fixing hexagonal bolts can be placed into the fixing holes, the heads of the bolts are directly embedded into the hexagonal fixing holes 621 with the same shape, one hand of fixing bolts is not needed when nuts are screwed, and assembly and disassembly are convenient.
In other embodiments, the positioning protrusion may take other shape structures, such as a protruding point shape, or an arc-shaped protrusion extending in the circumferential direction, or the like; other materials can be used for the central electrode, the radiating fins and the inner tube, for example, the central electrode can be made of metal, and the radiating fins are made of other radiating materials; the radiating fins can be in other shapes, and the connection modes among the plugs, the brackets and the radiating fins can be different, such as clamping or other threaded screwing modes; the bracket can omit the arrangement of convection holes and hexagonal fixing holes, and the fixing nuts can be arranged without adopting inclined planes, and common nuts and the like are adopted.
When the ozone generator is used, a fan is arranged at one end or two ends of the ozone generator, and air flow radiates through the radiating fins 22 on the outer ring electrode and the vent holes 11 in the center electrode, so that double air cooling is realized; the air pipes are respectively connected into the ventilation columns 35 of the plugs, and are filled with oxygen-containing gases such as air or oxygen, and the air flows sequentially pass through the ventilation holes 36 and the ventilation gaps 32 and enter the air gaps 4; the electrode terminal 12 on the central electrode and the electrode connecting sheet 8 on the mounting screw are respectively connected with an alternating high-voltage electric field, so that the central electrode 1 and the metal inner tube 21 are respectively connected with the alternating high-voltage electric field, and therefore, the inner circumferential surface of the metal inner tube 21 and the outer circumferential surface of the central electrode 1 are connected with the electric field, the oxygen-containing gas in the gas gap 4 generates corona discharge, and free high-energy electrons in the corona dissociate O 2 Molecules, which undergo a three-body collision reaction to polymerize into O 3 Molecules to generate ozone which in turn exits the ozone generator through the other end of the vent slot 32 and vent 36.
According to the ozone generator, the positioning protrusion is arranged on the inner wall of the plug to position the central electrode, so that the coaxiality of the central electrode and the outer ring electrode is ensured, the width of a gas gap is consistent, the discharge is uniform, the production efficiency of ozone is ensured to be stable, and the power consumption is reduced to achieve the effect of energy conservation. Further, the positioning protrusions are independent axial ribs which are uniformly distributed, and the structure is beneficial to improving positioning accuracy. Further, through the cooperation structure between outer loop electrode, center electrode, end cap and the support, form ventilative gap, provide the air feed passageway for gas gap, guarantee ozone generator's gas tightness simultaneously. Further, through annular step and second sealing washer, realize the airtight effect between end cap and the outer loop electrode. Further, through the cooperation structure between support and end cap, the center electrode, realize the airtight effect between the three. Further, the air tightness between the bracket and the plug and the air tightness between the bracket and the central electrode are further ensured through the protruding ring and the first sealing ring. Furthermore, the simple, compact and effective fixed connection relationship among the outer ring electrode, the plug and the bracket is realized through the first flange, the second flange, the mounting tube and the mounting screw. Further, inclined planes (a first inclined plane and a second inclined plane) are arranged on the ventilation column and the fixing nut, so that the firmness and the tightness of air pipe connection of air supply are ensured. Further, convection holes are formed in the support, and air cooling efficiency is improved. Further, the radiating fins adopt a sunflower structure (vertical fins and Y-shaped fins which are alternately fixed), so that the radiating efficiency is improved, and the central electrode adopts a enamel pipe, so that the radiating fins have the excellent effects of being difficult to break, low in attenuation coefficient and long in service life.
The foregoing are merely some embodiments of the invention. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the invention.
Claims (9)
1. An ozone generator with positioning protrusions, which is characterized in that: comprises a central electrode (1), an outer ring electrode (2) and a plug (3); the outer ring electrode (2) is sleeved outside the central electrode (1), so that a gas gap (4) is formed between the outer circumferential surface of the central electrode (1) and the inner circumferential surface of the outer ring electrode (2); the two ends of the center electrode (1) respectively extend out of the outer ring electrode (2), the plug (3) is provided with an axial through hole (31), and the plug (3) is sleeved at the ends of the outer ring electrode (2) and the center electrode (1) through the axial through hole (31); a positioning protrusion (311) protruding inwards is arranged on the inner wall of the axial through hole (31), and the positioning protrusion (311) abuts against the outer circumferential surface of the central electrode (1);
the device also comprises two brackets (6), wherein the brackets (6) are respectively sleeved and fixed on the outer end part of the plug (3) and the tail end part of the central electrode (1); a ventilation gap (32) is formed between the inner wall of the axial through hole (31) of the plug and the outer circumferential surface of the central electrode (1), a vent hole (36) is arranged in the plug (3), and the vent hole (36) is communicated with the ventilation gap (32); one end of the plug (3) facing the outer ring electrode (2) is an inner end part, and the inner end part is sleeved on the end part of the outer ring electrode (2) to form an airtight structure and enable the ventilation gap (32) and the gas gap (4) to be communicated; one end of the plug (3) facing the bracket is an outer end part, and the outer end part is embedded with the bracket (6) to form an airtight structure;
the plug (3) is made of plastic.
2. The ozone generator provided with positioning protrusions as recited in claim 1, wherein: the positioning projection (311) comprises a plurality of independent axial ribs which are uniformly distributed on the inner wall of the axial through hole (31) along the circumferential direction.
3. The ozone generator provided with positioning protrusions as recited in claim 1, wherein: the outer ring electrode (2) comprises an inner pipe (21) and radiating fins (22) sleeved on the inner pipe, and the inner end part of the plug (3) faces the radiating fins (22) and is sleeved on the end part of the inner pipe (21); the inner wall of the inner end part of the plug (3) is further provided with an annular step (313) formed by radial sinking, and the second sealing ring (34) is sleeved on the end part of the inner tube (21) and is abutted with the annular step (313) to form an airtight structure.
4. The ozone generator provided with positioning protrusions as recited in claim 1, wherein: a first annular groove (611) and a second annular groove (613) are formed in the inner end face of the support (6), the diameter of the first annular groove (611) is larger than that of the second annular groove (613), and a first annular protrusion (612) is formed between the first annular groove (611) and the second annular groove (613); the support (6) is sleeved on the outer end part of the plug (3) and the tail end part of the central electrode (1), wherein the outer end part of the plug (3) is embedded into the first annular groove (611), and the tail end part of the central electrode (1) is embedded into the second annular groove (613).
5. The ozone generator provided with positioning protrusions as recited in claim 4, wherein: the device also comprises first sealing rings (33) which are sleeved at two ends of the central electrode (1); the inner wall of the plug (3) is also provided with a protruding ring (312) protruding along the radial direction, which is positioned at the outer side of the positioning protrusion (311) and is shorter than the positioning protrusion (311); the first annular protrusion (612) is embedded in a gap between the inner wall of the plug (3) and the outer circumferential surface of the center electrode (1), and the first seal ring (33) is located between the protruding ring (312) and the first annular protrusion (612) to form an airtight structure.
6. The ozone generator provided with positioning protrusions as recited in claim 1, wherein: the bracket (6) is respectively sleeved and fixed on the outer end part of the plug (3) and the tail end part of the central electrode (1); the end face of the bracket (6) is provided with a first flange (616), the first flange (616) is provided with a first mounting hole (617), and the bracket further comprises a mounting pipe (618) with one end fixed on the first mounting hole (617); a second flange (37) is arranged on the inner end surface of the plug (3), a second mounting hole (38) is formed in the second flange (37), and the mounting pipe (618) is embedded into the second mounting hole (38); a third mounting hole (223) is formed in the end face of the outer ring electrode (2); the mounting screw (7) sequentially penetrates through the first mounting hole (617), the mounting pipe (618) and the second mounting hole (38) and is screwed into the third mounting hole (223) to be fixed.
7. The ozone generator provided with positioning protrusions as recited in claim 1, wherein: a raised ventilation column (35) is arranged on the plug (3), a ventilation hole (36) penetrating through the ventilation column (35) is arranged on the ventilation column, a first inclined surface (351) is arranged on the outer wall of the ventilation column (35), and the outer diameter of the ventilation column is reduced outwards; the air vent device further comprises a fixing nut (5), wherein the fixing nut (5) is screwed on the air vent column (35) through threads, a second inclined surface (51) is arranged on the inner wall of the fixing nut (5), the outer diameter of the second inclined surface (51) is reduced outwards, and the first inclined surface (351) and the second inclined surface (51) are separated and are opposite; the first inclined surface (351) and the second inclined surface (51) are conical surfaces, or the first inclined surface (351) and the second inclined surface (51) are cambered surfaces; the first inclined surface (351) and the second inclined surface (51) are parallel.
8. The ozone generator provided with positioning protrusions as recited in claim 1, wherein: the bracket (6) is respectively sleeved and fixed on the outer end part of the plug (3) and the tail end part of the central electrode (1); the bracket (6) comprises a vertical part (61) and a horizontal part (62) fixed at the bottom end of the vertical part, the vertical part (61) is fixed with the plug (3), a heat dissipation hole (614) is arranged in the middle of the vertical part (61), a convection hole (615) is arranged below the vertical part, and the convection holes (615) of the two brackets (6) are opposite along the axial direction; a vent hole (11) is formed in the central electrode (1), and the vent hole (11) is communicated with the radiating hole (614); the horizontal part (62) is provided with a hexagonal fixing hole (621).
9. The ozone generator provided with positioning protrusions as recited in any one of claims 1 to 8, wherein: the outer ring electrode (2) comprises a metal inner tube (21) and radiating fins (22) sleeved on the metal inner tube (21), the radiating fins (22) comprise vertical plates (221) and Y-shaped plates (222) which are alternately fixed along the radial direction, the cross section of each vertical plate (221) is vertical, the cross section of each Y-shaped plate (222) is Y-shaped, and branches of the Y-shaped plates outwards; the central electrode (1) is a enamel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810580253.9A CN108455535B (en) | 2018-06-07 | 2018-06-07 | Ozone generator with positioning protrusions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810580253.9A CN108455535B (en) | 2018-06-07 | 2018-06-07 | Ozone generator with positioning protrusions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108455535A CN108455535A (en) | 2018-08-28 |
| CN108455535B true CN108455535B (en) | 2023-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810580253.9A Active CN108455535B (en) | 2018-06-07 | 2018-06-07 | Ozone generator with positioning protrusions |
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| Country | Link |
|---|---|
| CN (1) | CN108455535B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102050429A (en) * | 2009-11-10 | 2011-05-11 | 江苏康尔臭氧有限公司 | Ozone generating device |
| CN202132729U (en) * | 2011-03-28 | 2012-02-01 | 东莞市天楠光电科技有限公司 | LED energy saving lamp with good heat radiation effect |
| CN202869344U (en) * | 2012-09-14 | 2013-04-10 | 宁波华舜铝材有限公司 | Radiator |
| CN204345437U (en) * | 2015-01-27 | 2015-05-20 | 陈续飞 | LED (light-emitting diode) mining lamp |
| CN205187853U (en) * | 2015-10-15 | 2016-04-27 | 杨文昌 | Ozone generator |
-
2018
- 2018-06-07 CN CN201810580253.9A patent/CN108455535B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102050429A (en) * | 2009-11-10 | 2011-05-11 | 江苏康尔臭氧有限公司 | Ozone generating device |
| CN202132729U (en) * | 2011-03-28 | 2012-02-01 | 东莞市天楠光电科技有限公司 | LED energy saving lamp with good heat radiation effect |
| CN202869344U (en) * | 2012-09-14 | 2013-04-10 | 宁波华舜铝材有限公司 | Radiator |
| CN204345437U (en) * | 2015-01-27 | 2015-05-20 | 陈续飞 | LED (light-emitting diode) mining lamp |
| CN205187853U (en) * | 2015-10-15 | 2016-04-27 | 杨文昌 | Ozone generator |
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| CN108455535A (en) | 2018-08-28 |
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