CN210286749U - Ozone generator with creeping discharge - Google Patents
Ozone generator with creeping discharge Download PDFInfo
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- CN210286749U CN210286749U CN201920693982.5U CN201920693982U CN210286749U CN 210286749 U CN210286749 U CN 210286749U CN 201920693982 U CN201920693982 U CN 201920693982U CN 210286749 U CN210286749 U CN 210286749U
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Abstract
The utility model provides an edge discharge ozone generator, arrange in pairs including more than two and be the flat panel edge discharge module, parallel arrangement between the edge discharge module, two edge discharge modules arranged in pairs discharge the surface relative arrangement and remain the clearance between the two in order to form the gas passage, the edge discharge module be equipped with the medium cooling channel that the surface of discharging corresponds, be used for right the surface of discharging cools off. The utility model provides a creeping discharge ozone generator, realized the discharge structure of big air gap to through the electrode department again carry out refrigerated structural design, ensure that ozone generator works under the appropriate temperature condition, reduce the efficiency of ozone reverse reaction; meanwhile, the complex structural design that the air source of the air purifier needs pre-dehydration treatment is avoided, and the limited deposition of reaction products of nitrogen oxides and moisture in the air can not block a discharge air gap, so that the air source can be used as the air source of the novel ozone generator.
Description
Technical Field
The utility model relates to an ozone technical field, more specifically the creeping discharge ozone generator who leads to tolerance greatly that says so.
Background
The minimization of the DBD discharge air gap width of the ozone generator is one of the key technical conditions of the ozone production concentration and efficiency. However, nitrogen in the air source is ionized in the air gap electric field to generate nitrogen oxide, which reacts with moisture in the air to generate acidic sticky substances and solid particles which are adhered to the surface of the electrode together, so that the narrow air gap of the discharge is blocked, and the equipment fails.
Although some people hope to solve the problems by additionally arranging equipment such as air dehumidification and dust removal, the cost and the energy consumption of the equipment for removing moisture by freezing and condensation are increased, and the ineffective energy consumption of the air source ionization process on nitrogen is added. Therefore, the current ozone generator gas source usually uses pure oxygen, but the cost of using pure oxygen is large, and the discharge air gap is small due to the limitation of the DBD technology, so that the gas flux is relatively small. Compared with the traditional oxygen source ozone generator, the air source ozone generator at the moment has no obvious competitive advantage, so that the market of the ozone generator is still dominated by oxygen purified air source equipment today.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a creeping discharge ozone generator, solve prior art ozone generator air output little, and rely on the problem of pure oxygen seriously.
The purpose of the utility model is realized through the following technical scheme:
the creeping discharge ozone generator comprises more than two creeping discharge modules which are arranged in pairs and are in a flat plate shape, the creeping discharge modules are arranged in parallel, the discharge surfaces of the two creeping discharge modules which are arranged in pairs are oppositely arranged, a gap is reserved between the discharge surfaces of the two creeping discharge modules to form a gas channel, and the creeping discharge modules are provided with medium cooling channels corresponding to the discharge surfaces for cooling the discharge surfaces.
Optionally, the periphery of the creeping discharge module is sealed by an insulating casing, and the casing is provided with a corresponding air inlet and a corresponding air outlet, and the air inlet and the air outlet are respectively communicated with the gas channel. Accordingly, the medium cooling channel may use water, oil or other fluid as a cooling medium, and a necessary circulation line, a circulation pump, an external heat exchanger, etc. are provided for the purpose of performing circulation cooling. Typically, the fluid inlet and the fluid outlet of the medium cooling channel may be provided through the housing.
The creeping discharge module comprises a ground electrode plate, a dielectric plate and a high-voltage electrode plate, wherein the dielectric plate is made of insulating materials and is arranged between the ground electrode plate and the high-voltage electrode plate, and the edge of the dielectric plate protrudes out of the edges of the ground electrode plate and the high-voltage electrode plate; the high-voltage electrode plate is connected with a high-voltage electrode of a high-frequency high-voltage power supply, and a conductive part of the ground electrode plate is connected with a ground electrode.
Preferably, the dielectric plate is a ceramic plate.
Preferably, the surface of the high-voltage electrode plate is provided with strip-shaped hollows so as to form creeping discharge on the dielectric plate at the hollow part.
Preferably, the dielectric plate and the ground electrode plate and the dielectric plate and the high-voltage electrode plate are connected through brazing layers respectively.
Preferably, the medium cooling passage is provided inside the ground electrode plate, and an area covered by the medium cooling passage corresponds to the high-voltage electrode plate.
Further optionally, the edge of the dielectric plate is coated with an anti-creeping sleeve made of an insulating material, the anti-creeping sleeve is annularly arranged around the dielectric plate, and the cross section of the anti-creeping sleeve is U-shaped.
Or the medium cooling channel is arranged as a water tank on the surface of the ground electrode plate, and the extending direction of the water tank is parallel to the strip-shaped hollow part of the high-voltage electrode plate.
Further alternatively, the water in the water tank is connected with the ground electrode, the water in the water tank is used as a conductive part, and the ground electrode plate can be made of a metal material or an insulating non-metal material.
Further optionally, two sides of the ground electrode plate are encapsulated by an insulating material, and the insulating material is connected with the dielectric plate. The creepage preventing effect of the insulating material encapsulation is better, particularly, the connection of the space (through air molecules) between the ground electrode plate and the high-voltage electrode plate is directly blocked in the encapsulation mode, and the safety of the equipment is improved.
The two sides of the ground electrode plate are both provided with the medium plate and the high-voltage electrode plate, so that the high-voltage electrode plates on the two sides share the ground electrode plate, heat generated by surface discharge is taken away through the medium cooling channel on the ground electrode plate, and meanwhile, the high-voltage electrode plates on the two sides are cooled.
The creeping discharge module is fixed in a silica gel groove on the inner wall of the shell.
The high-voltage electrode lead penetrates through the dielectric plate and the ground electrode plate, correspondingly, a gap is arranged at a corresponding position on the ground electrode plate, and an insulating material is filled in the gap, so that the high-voltage electrode lead cannot be conducted with the ground electrode plate.
The utility model provides a creeping discharge ozone generator, realized the discharge structure of big air gap to through the electrode department again carry out refrigerated structural design, ensure that ozone generator works under the appropriate temperature condition, reduce the efficiency of ozone reverse reaction; meanwhile, the complex structural design that the air source of the air purifier needs to be subjected to pre-dehydration treatment is avoided, and the limited deposition of reaction products of nitrogen oxides and moisture in the air can not block a discharge air gap, so that the air source can be used as the air source of a novel ozone generator, the system structure of the ozone generator is greatly simplified, and the equipment purchase investment and maintenance workload are greatly reduced.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and examples.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic connection diagram of a creeping discharge module according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a creeping discharge module according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an embodiment of the present invention;
fig. 5 is a schematic connection diagram of the creeping discharge module according to the embodiment of the present invention;
fig. 6 is a schematic structural diagram of the creeping discharge module according to the embodiment of the present invention.
In the figure:
10. a creeping discharge module; 11. a ground electrode plate; 12. a dielectric plate; 13. a high voltage electrode plate; 14. a creepage preventing sleeve; 15. an insulating material; 16. a notch; 17. an electrode connecting portion;
20. a gas channel;
30. a medium cooling passage; 31. a water tank;
50. a housing; 51. a silica gel groove; 52. the metal plate is reinforced.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
As shown in fig. 1, the present embodiment provides a creeping discharge ozone generator, which includes two creeping discharge modules 10 in a flat plate shape, the creeping discharge modules 10 are arranged in parallel, discharge surfaces of the two creeping discharge modules 10 arranged in pairs are arranged oppositely with a gap left therebetween to form a gas passage 20, and the creeping discharge modules 10 are provided with a medium cooling passage 30 corresponding to the discharge surfaces for cooling the discharge surfaces.
The periphery of the creeping discharge module is sealed by an insulating casing 50 (as shown in fig. 4), and a corresponding air inlet and an air outlet (not shown in the figure) are formed on the casing, and the air inlet and the air outlet are respectively communicated with the gas channel. Accordingly, the medium cooling channel may use water, oil or other fluid as a cooling medium, and a necessary circulation line, a circulation pump, an external heat exchanger, etc. are provided for the purpose of performing circulation cooling. Typically, the fluid inlet and the fluid outlet of the medium cooling channel may be provided through the housing.
The embodiment provides an extremely simple structure, and the two creeping discharge modules 10 are adopted, so that the distance between the two creeping discharge modules can be increased, creeping discharge effects generated by the two creeping discharge modules are mutually superposed, creeping discharge energy of each creeping discharge module can be fully utilized, and the problems of poor discharge effect caused by attenuation of discharge distance and small ventilation volume caused by small discharge air gap in a structure in which a single-layer creeping discharge module is provided with one discharge air gap are solved; compared with the single-layer and small-air-gap creeping discharge structure adopted by the existing ozone generator, the ozone generator provided by the embodiment (taking two creeping discharge modules as an example) has the advantages that the discharge air gap can be enlarged by more than 2 times, the ventilation volume is enlarged by more than 3 times, the ozone yield is improved by more than 3 times, and the effect is obviously improved compared with that of two single-layer creeping discharge structures which are independently arranged.
As shown in fig. 2, fig. 3 and fig. 6, the creeping discharge ozone generator provided in this embodiment further includes: the creeping discharge module 10 comprises a ground electrode plate 11, a dielectric plate 12 and a high-voltage electrode plate 13, wherein the dielectric plate 12 is made of an insulating material and is arranged between the ground electrode plate 11 and the high-voltage electrode plate 13, and the edge of the dielectric plate 12 protrudes out of the edges of the ground electrode plate 11 and the high-voltage electrode plate 13; the high-voltage electrode plate 13 is connected to a high-voltage electrode of a high-frequency high-voltage power supply, and the conductive portion of the ground electrode plate 11 is connected to a ground electrode.
The medium plate 12 is a ceramic plate; the ceramic plate has good insulating property and can effectively prevent creepage, so that the high-voltage direct-current electric field between the ground electrode plate and the high-voltage electrode plate can be prevented from directly puncturing the dielectric plate 12.
The medium plate 12 and the ground electrode plate 11, and the medium plate 12 and the high-voltage electrode plate 13 are connected by brazing layers, respectively.
The medium cooling passage 30 is provided inside the ground electrode plate 11, and the area covered by the medium cooling passage 30 corresponds to the high-voltage electrode plate 13.
The anti-creeping sleeve 14 made of insulating materials is coated on the edge of the dielectric plate 12, the anti-creeping sleeve 14 is annularly arranged around the dielectric plate 12, and the cross section of the anti-creeping sleeve 14 is U-shaped.
The surface of the high-voltage electrode plate 13 is provided with strip-shaped hollows so as to form creeping discharge on the dielectric plate 12 at the hollow part.
The medium cooling channel 30 is provided as a water tank 31 on the surface of the ground electrode plate 11, and the extending direction of the water tank is parallel to the strip-shaped hollow of the high-voltage electrode plate 13. The water tank 31 and the high-voltage electrode plate 31 are arranged in parallel in a strip-shaped hollow manner, so that the distance between the water tank 31 and the high-voltage electrode plate 31 is constant, and the creeping discharge effect is good.
The water in the water tank 31 is connected to the ground electrode, and at this time, the water in the water tank 31 serves as a conductive portion, and the ground electrode plate 11 may be made of a metal material or an insulating non-metal material. The water in the water tank is used as a ground pole, and the ground electrode plate 11 provided with the water tank 31 is made of a non-metal material, so that the possibility of creepage can be effectively reduced, particularly, the non-metal material can play an insulating role on electricity, and the safety of the ozone generator is improved; generally, non-metal materials are more easily available, have low cost and light weight, and have very strong superiority compared with the ground electrode plate made of metal materials.
Further preferably, the non-edge position of the water tank 31 is connected with the dielectric plate 12 through a conductive adhesive, the edge position of the water tank 31 is connected with the dielectric plate through an insulating adhesive, and at this time, under the conductive action of the conductive adhesive, both the water and the conductive adhesive layer in the water tank are used as the ground electrode, so that the surface area of the ground electrode can be increased, and the creeping discharge effect between the ground electrode and the high-voltage electrode is better.
Two sides of the ground electrode plate 11 are encapsulated by an insulating material 15, and the insulating material 15 is connected with the dielectric plate 12. The creepage preventing effect of the insulating material encapsulation is better, particularly, the connection of the space (through air molecules) between the ground electrode plate and the high-voltage electrode plate is directly blocked in the encapsulation mode, and the safety of the equipment is improved.
As shown in fig. 3, 4 and 6, the dielectric plate 12 and the high-voltage electrode plate 13 are disposed on both sides of the ground electrode plate 11, so that the high-voltage electrode plates 13 on both sides share the ground electrode plate 11, heat generated by surface discharge is taken away through the dielectric cooling channel 30 on the ground electrode plate 11, and the high-voltage electrode plates 13 on both sides are cooled; through the structural design that the high-voltage electrodes 13 are arranged on two sides and the middle part is used as a ground electrode, the structural layout of the creeping discharge module is more reasonable, the structure is simple, and the occupied space is small under the condition that a plurality of creeping discharge modules are used.
The creeping discharge module 10 is fixed in a silica gel groove 51 on the inner wall of the shell 50; accordingly, a metal reinforcing plate 52 may be provided in the housing 50, and silicone may be attached to an inner wall of the metal supporting plate as an insulating structure, thereby ensuring the overall strength and insulation of the working portion from the outside.
As shown in fig. 5, the edge of the high voltage electrode plate 13 is provided with an electrode connecting portion 17 for connecting with a high voltage electrode lead, the high voltage electrode lead passes through the dielectric plate 12 and the ground electrode plate 11, and correspondingly, a notch 16 is provided at a corresponding position on the ground electrode plate 11, and an insulating material is filled in the notch 16, so that the high voltage electrode lead is not conducted with the ground electrode plate 11. The gap 16 is filled with insulating materials to allow the high-voltage electrode lead to pass through, so that short circuit between the high-voltage electrode and the ground electrode can be avoided, and the use safety is ensured.
The utility model provides a creeping discharge ozone generator, realized the discharge structure of big air gap to through the electrode department again carry out refrigerated structural design, ensure that ozone generator works under the appropriate temperature condition, reduce the efficiency of ozone reverse reaction; meanwhile, the complex structural design that the air source of the air purifier needs to be subjected to pre-dehydration treatment is avoided, and the limited deposition of reaction products of nitrogen oxides and moisture in the air can not block a discharge air gap, so that the air source can be used as the air source of a novel ozone generator, the system structure of the ozone generator is greatly simplified, and the equipment purchase investment and maintenance workload are greatly reduced.
The embodiments in the above embodiments can be further combined or replaced, and the embodiments are only described for the preferred embodiments of the present invention, and are not limited to the concept and scope of the present invention, and various changes and modifications made by the technical solutions of the present invention by those skilled in the art without departing from the design concept of the present invention all belong to the protection scope of the present invention.
Claims (10)
1. The creeping discharge ozone generator is characterized by comprising more than two creeping discharge modules (10) which are arranged in pairs and are in a flat plate shape, the creeping discharge modules (10) are arranged in parallel, the discharge surfaces of the two creeping discharge modules (10) which are arranged in pairs are oppositely arranged, a gap is reserved between the discharge surfaces to form a gas channel (20), and the creeping discharge modules (10) are provided with medium cooling channels (30) corresponding to the discharge surfaces for cooling the discharge surfaces.
2. The creeping discharge ozone generator as claimed in claim 1,
the creeping discharge module (10) comprises a ground electrode plate (11), a dielectric plate (12) and a high-voltage electrode plate (13), wherein the dielectric plate (12) is made of an insulating material and is arranged between the ground electrode plate (11) and the high-voltage electrode plate (13), and the edge of the dielectric plate (12) protrudes out of the edges of the ground electrode plate (11) and the high-voltage electrode plate (13); the high-voltage electrode plate (13) is connected with a high-voltage electrode of a high-frequency high-voltage power supply, and the conductive part of the ground electrode plate (11) is connected with a ground electrode.
3. The creeping discharge ozone generator as claimed in claim 2,
the medium plate (12) is a ceramic plate;
the medium plate (12) and the ground electrode plate (11) and the medium plate (12) and the high-voltage electrode plate (13) are connected through brazing layers respectively.
4. The creeping discharge ozone generator as claimed in claim 2,
the medium cooling channel (30) is arranged inside the ground electrode plate (11), and the area covered by the medium cooling channel (30) corresponds to the high-voltage electrode plate (13).
5. The creeping discharge ozone generator as claimed in claim 4,
the anti-creeping sleeve is characterized in that the edge of the dielectric plate (12) is coated with an anti-creeping sleeve (14) made of an insulating material, the anti-creeping sleeve is annularly arranged around the dielectric plate (12), and the cross section of the anti-creeping sleeve (14) is U-shaped.
6. The creeping discharge ozone generator as claimed in claim 2,
the surface of the high-voltage electrode plate (13) is provided with strip-shaped hollows so as to form creeping discharge on the dielectric plate (12) at the hollow part.
7. The creeping discharge ozone generator as claimed in claim 6,
the medium cooling channel (30) is arranged as a water tank (31) on the surface of the ground electrode plate (11), and the extending direction of the water tank is parallel to the strip-shaped hollow of the high-voltage electrode plate (13).
8. The creeping discharge ozone generator as claimed in claim 7,
the water in the water tank (31) is connected with the earth electrode, the water in the water tank (31) is used as a conductive part, and the earth electrode plate (11) is made of an insulating non-metal material.
9. The creeping discharge ozone generator as claimed in claim 8,
the non-edge position of the water tank (31) is connected with the medium plate (12) through conductive adhesive, and the edge position of the water tank (31) is connected with the medium plate (12) through insulating adhesive;
and/or two sides of the ground electrode plate (11) are encapsulated by an insulating material (15), and the insulating material is connected with the dielectric plate (12).
10. The creeping discharge ozone generator as claimed in any one of claims 2 to 9,
the two sides of the ground electrode plate (11) are respectively provided with a medium plate (12) and a high-voltage electrode plate (13), so that the high-voltage electrode plates (13) on the two sides share the ground electrode plate (11), heat generated by surface discharge is taken away through a medium cooling channel (30) on the ground electrode plate (11), and the high-voltage electrode plates (13) on the two sides are cooled;
and/or the creeping discharge module (10) is fixed in a silica gel groove (51) on the inner wall of the shell (50);
and/or the edge of the high-voltage electrode plate (13) is provided with an electrode connecting part (17) for connecting with a high-voltage electrode lead, the high-voltage electrode lead penetrates through the dielectric plate (12) and the ground electrode plate (11), a notch (16) is correspondingly arranged at a corresponding position on the ground electrode plate (11), and an insulating material is filled in the notch, so that the high-voltage electrode lead is not conducted with the ground electrode plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920693982.5U CN210286749U (en) | 2019-05-15 | 2019-05-15 | Ozone generator with creeping discharge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920693982.5U CN210286749U (en) | 2019-05-15 | 2019-05-15 | Ozone generator with creeping discharge |
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| CN210286749U true CN210286749U (en) | 2020-04-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110028043A (en) * | 2019-05-15 | 2019-07-19 | 北京清源中科环保科技有限公司 | Creeping discharge ozone generator |
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2019
- 2019-05-15 CN CN201920693982.5U patent/CN210286749U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110028043A (en) * | 2019-05-15 | 2019-07-19 | 北京清源中科环保科技有限公司 | Creeping discharge ozone generator |
| CN110028043B (en) * | 2019-05-15 | 2023-12-01 | 山东普莱斯玛环保设备有限公司 | Ozone generator for creeping discharge |
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| TR01 | Transfer of patent right |
Effective date of registration: 20200713 Address after: No.00088, Bohai 1st Road, Binhai District, Weifang City, Shandong Province Patentee after: Shandong PRISMA environmental protection equipment Co., Ltd Address before: Room 316, building 1, No.13 yard, cuihunan Ring Road, Haidian District, Beijing 100094 Patentee before: BEIJING QINGYUAN ZHONGKE ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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