CN215249564U - Discharge body, electric field device and ozone generator - Google Patents
Discharge body, electric field device and ozone generator Download PDFInfo
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- CN215249564U CN215249564U CN202022218703.5U CN202022218703U CN215249564U CN 215249564 U CN215249564 U CN 215249564U CN 202022218703 U CN202022218703 U CN 202022218703U CN 215249564 U CN215249564 U CN 215249564U
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Abstract
The utility model discloses a discharge body and electric field device and ozone generator, wherein, discharge the body and include conductor and medium, the medium setting is arranged on the surface of conductor and around at least some of conductor, and the terminal surface of medium is equipped with anti-creep electricity structure. The utility model discloses a discharge body can realize reaching discharge, can control the technological effect that does not puncture again.
Description
Technical Field
The utility model relates to a discharge body and electric field device and ozone generator.
Background
Gas discharge (plasma) method: the most commonly used method is the dielectric barrier discharge method, abbreviated as DBD method, which is a non-equilibrium gas discharge with an insulating dielectric inserted into the discharge space, also called dielectric barrier corona discharge or silent discharge.
In the existing dielectric barrier technology, a commonly used glass tube is sleeved on a discharge electrode as a dielectric, on one hand, the glass tube and the discharge electrode are not well fixed, so that the glass tube is easy to break in transportation and use, and on the other hand, the electric field charge efficiency of the dielectric barrier technology is not high and the energy consumption is overhigh.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems of low electric field charge efficiency, overhigh energy consumption, low treatment efficiency and the like in the prior art, the utility model provides a discharge body, an electric field device and an ozone generator.
According to an aspect of the present invention, there is provided a discharge body, the discharge body comprises a conductor and a medium, the medium is disposed on a surface of the conductor and surrounds at least a part of the conductor, wherein the conductor comprises at least a first section and a second section, the medium surrounds the surface of the first section, the medium has a first end close to the second section and a second end opposite to the first end, and a terminal surface of the first end is provided with an anti-creeping structure.
In one embodiment, the media is made of a clay material.
In one embodiment, the dielectric forms a uniform first thickness on the surface of the conductor.
In one embodiment, the anti-creep structure is a recess provided on the first end face of the medium, the recess being arranged around the conductor.
In one embodiment, the anti-creep structure is a protrusion provided at the first end face, the protrusion being arranged around the conductor.
In one embodiment, the conductors are made of metal.
In one embodiment, the medium is a ceramic.
In one embodiment, the medium is enamel.
In one embodiment, the dielectric is an insulating dielectric.
In one embodiment, the recess is any one or more of funnel-shaped, cylindrical and circular.
In one embodiment, a discharge is provided that includes a conductor and a medium disposed on a surface of the conductor and disposed around at least a portion of the conductor, an end face of the medium being provided with a creepage preventing structure.
In one embodiment, the discharge body comprises a conductor and a medium, wherein the medium is arranged on the surface of the conductor and surrounds at least one part of the conductor, the conductor comprises a first section, a second section and a third section which are connected in sequence, the medium is arranged around the surface of the second section, and anti-creeping structures are respectively arranged on the end faces of two ends of the medium.
In one embodiment, the conductor comprises a first section, a second section and a third section which are connected in sequence, the medium is arranged around the surfaces of the first section and the third section respectively, and at least the end face of the medium close to the second section is provided with an anti-creeping structure.
According to another aspect of the present invention, there is provided an electric field device, the electric field device including a first pole and a second pole, the first pole having a plate-shaped main body, the plate-shaped main body being provided with a plurality of discharge holes, the second pole being the above-mentioned discharge body, the portion of the discharge body provided with the medium extending into the discharge holes and forming a gap with the inner wall of the discharge holes.
In one embodiment, an insulating film is disposed on an inner wall of the discharge hole with a gap between an outer surface of the dielectric and the insulating film.
In one embodiment, the gap is in the range of 0.5 to 5 mm.
In one embodiment, the gap has a distance in the range of 0.5 to 1.5 mm.
In one embodiment, the anti-creep structure is a recess disposed on the first end face, the recess disposed around the conductor.
In one embodiment, the anti-creeping structure is a protrusion arranged on the first end face, and the protrusion is arranged around the conductor.
In one embodiment, the recess is any one of funnel-shaped, cylindrical and circular.
According to another aspect of the present invention, there is also provided an ozone generator, comprising a housing and the electric field device, wherein the electric field device is installed in the housing.
The utility model provides a discharge body includes conductor and medium, and the medium setting is arranged on the surface of conductor and around at least some of conductor, the utility model discloses a discharge body is limited discharge mode, has and can enough reach and discharge, can control the technological effect that does not puncture again, when it is provided with prevents creepage structure, can also eliminate creepage phenomenon effectively.
Drawings
Fig. 1 is a schematic view of an ozone generator according to a first embodiment of the present invention;
fig. 2 is a schematic view of a discharge body in an embodiment of the present invention;
fig. 3 is a schematic diagram of an anti-creeping structure in an embodiment of the present invention;
FIG. 4 is a schematic view of an ozone generator according to a second embodiment of the present invention;
fig. 5 is a schematic view of an ozone generator according to a third embodiment of the present invention.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
The present invention generally relates to a discharge body and an electric field device and an ozone generator comprising the same. The discharge body comprises a conductor and a medium, wherein the medium is arranged on the surface of the conductor and surrounds at least one part of the conductor, and the medium comprises at least one medium which is arranged on the surface of the conductor.
In one embodiment, the media is made of a clay material.
In one embodiment the dielectric is an insulating dielectric, where insulating dielectric is meant to be an insulating dielectric in the usual sense in the art, i.e. a dielectric that is not electrically conductive under certain conditions, without excluding electrical conductivity under particular conditions.
The discharge body, the electric field device and the ozone generator of the present invention will be described in detail with reference to the accompanying drawings.
Example one
Fig. 1 is a schematic structural view of an ozone generator according to the first embodiment. As shown in fig. 1, the ozone generator comprises a housing 100, the housing 100 having an inlet 101 and an outlet 102, and an electric field device mounted in the housing 100 and comprising a first electrode 1 and a second electrode 2, the first electrode 1 and the second electrode 2 forming an electric field when energized. In the present embodiment, the first electrode 1 has a plate-like body provided with a number of discharge holes 3. The first electrode 1 is fixedly connected with the inner wall of the shell 100 through a conductive fixing member 4, and the second electrode 2 is a plurality of discharge bodies with media arranged on the surface, and the discharge bodies are at least partially arranged in the discharge holes 3 of the first electrode 1. In one embodiment, the first electrode 1 and the discharge body constitute a discharge cell, and the electric field means comprises a plurality of discharge cells.
Specifically, in the present embodiment, the discharge hole 3 is a through hole, one end of the surface of the second electrode 2, which is provided with the medium, is disposed in the through hole of the first electrode 1, and the other end is disposed in the second electrode support plate 5. The outer surface of the discharge body, in particular the outer surface of the dielectric, has a gap with the inner wall of the hole 3, preferably at a distance in the range of 0.5-5mm, more preferably at a distance in the range of 0.5-1.5mm, in this embodiment at a distance of 1 mm.
In the embodiment, the second electrode 2 is a discharge body 2, and fig. 2 is a schematic structural diagram of the discharge body 2. As shown in fig. 2, the discharge body 2 is for dielectric barrier discharge and comprises a conductor 10 and a dielectric 20, the dielectric 20 being arranged outside the conductor 10 and surrounding at least a part of the conductor 10. At least one part of the discharge body 2 provided with the medium 20 is arranged in the discharge hole 3 of the first electrode 1, one end of the discharge body 2 not provided with the medium 20 is fixed by a second electrode supporting plate 5, the second electrode supporting plate 5 is provided with a plurality of through holes 501, and gas can flow through the second supporting plate 5 to reach the second electrode 2 through the through holes 501 on the second electrode supporting plate 5.
With continued reference to fig. 2, the conductor 10 includes at least a first segment and a second segment, and in this embodiment, the conductor 10 includes a first segment 11 and a second segment 12. The dielectric 20 is disposed on the surface of the first segment 11 of the conductor 10 and arranged around the first segment 11, and one end of the conductor 10 is located inside the dielectric 20 and the other end is located outside the dielectric 20.
In one embodiment, the conductor 10 is made of metal and has an elongated structure, for example, the conductor 10 may be made of any one of low carbon steel, 45 steel, stainless steel, and alloy steel. Preferably, low carbon steel is used.
The dielectric 20 includes at least one dielectric, and the dielectric 20 is disposed on the surface of the conductor 10 and arranged around the conductor 10. In this embodiment, the media 20 is disposed on a surface of the first segment 11 and is disposed around the first segment 11. Preferably, the media 20 is made of a clay material.
For example, in the present embodiment, the medium 20 may include only one medium, and the medium 20 is made of ceramic. The ceramic is wrapped around the surface of the first section 11 of the conductor 10, for example by firing onto the surface of the first section 11 of the conductor 10. Preferably, the media 20 as a whole forms a cylindrical structure.
In one embodiment, the ceramic forms a uniform first thickness d1 on the surface of the conductor 10, and preferably, the first thickness d1 is in the range of 1.5-2 mm.
In one embodiment, the dielectric 20 is made of enamel, which forms a uniform thickness d2 on the surface of the conductor 10, preferably, the thickness d2 is in the range of 1.5-2 mm.
Referring back to fig. 2, in the present embodiment, the length of the first section 11 of the conductor 10 is greater than the depth of the discharge hole 3, i.e., the length of the portion covered by the dielectric 20 is greater than the depth of the discharge hole 3, but it is understood by those skilled in the art that the dielectric 20 may also completely cover the entire conductor 10.
Referring to fig. 2, in one embodiment, the insulating medium 20 has a first end 21 close to the second section 12 of the conductor 10 and a second end 22 opposite to the first end 21, the first end 21 is provided with a creepage preventing structure 23 at the end surface, and the creepage preventing structure 23 is arranged to eliminate discharge traces on the surface of the medium 20 and prevent the insulating layer from being damaged.
For example, the anti-creepage structure 23 may be a recess provided on the end face of the first end 21 of the medium 20, the recess being arranged around the conductor 10. That is, the recess forms an annular structure, and the conductor 10 is located inside the annular structure, preferably at the center of the annular structure. The recess can be any one or more of funnel shape, column shape and circular ring shape.
In the embodiment shown in fig. 2, the anti-creeping structure 23 is a recessed portion formed by axially inwardly recessed the end surface of the first end 21, and the depth of the recessed portion is reduced from outside to inside, so that the recessed portion is formed in a funnel shape as a whole. (creepage phenomenon means that the surface of the insulator between two poles has slight discharge phenomenon, which causes the surface of the insulator to be (generally) dendritic or tree-leaf channel-shaped discharge trace, generally the discharge trace is not communicated with two poles, the discharge is generally not continuous, only occurs under specific conditions, is influenced by working temperature and time, and can cause insulation damage after long time.)
Of course, as shown in fig. 3, in another embodiment, the anti-creeping structure may also be a projection 211 provided on the end face of the first end 21, the projection 211 being arranged around the conductor 10 with a concave portion between the projection 211 and the conductor 10.
It should be noted that although the discharge body shown in fig. 2 includes the anti-creeping structure, it is understood by those skilled in the art that the technical effect of the dielectric barrier discharge can be achieved by providing at least one layer of dielectric on at least a part of the outer surface of the conductor 10 even if the anti-creeping structure is not provided.
The utility model discloses a discharge body is used for dielectric barrier to discharge, and for the limited discharge mode, can reach discharge, can control not to puncture again, when it is provided with the anti-creep structure, can also eliminate the creepage effectively.
In use, for example, one electrode of the ac power supply 200 may be electrically connected to the second electrode supporting plate 5, and the other electrode of the ac power supply 200 may be electrically connected to the casing 100. When the current is applied, an electric field is formed between the first electrode and the second electrode.
In this embodiment, one electrode of the ac power supply 200 may be grounded, and the casing 100 may also be grounded. In this embodiment, the voltage of the ac power supply 200 may be between 4 KV and 20KV, and the frequency conversion pulse range may be between 5kHz and 80 kHz.
The following describes a method for manufacturing the discharge body of the present invention, and it should be noted that the method is merely exemplary and not intended to limit the discharge body of the present invention to be manufactured by any suitable method.
The utility model discloses a manufacturing method of discharge body can include following step:
and firing the ceramic on the conductor to obtain the first discharge body with the anti-creeping structure.
Preferably, the anti-creeping structure is a recess arranged on the end face of the first end, and the recess is arranged around the conductor.
Preferably, the anti-creeping structure is a protrusion arranged on the end face of the first end, and the protrusion is arranged around the conductor.
Example two
The main difference between the present embodiment and the first embodiment is in the structure of the discharge body and the electric field and the arrangement of the electrode supporting plate, and other parts are the same as the first embodiment, and only different parts are described herein.
The conductor of this embodiment includes consecutive first section, second section and third section, and the medium encircles the surface setting of second section, is equipped with anti-creep electricity structure on the terminal surface at medium both ends on the second section respectively.
As shown in fig. 4, the first electrode 1 is plate-shaped, and has a plurality of holes 3, and the first electrode 1 is fixedly connected to the inner wall of the housing 100 through the conductive fixing member 4; the second electrode 2 is a discharge body 2 with a medium arranged on the surface, and two second electrode supporting plates 5 are respectively arranged on two sides of the first electrode 1.
The hole 3 is a through hole, one end of the surface of the second electrode 2 provided with the medium penetrates through the through hole of the first electrode 1, and two ends of the surface of the second electrode are respectively arranged in the second electrode supporting plate 5. The outer surface of the dielectric barrier discharge body and the inner wall of the hole 3 are provided with a gap, the distance of the gap is 0.5-1.5mm, in the embodiment, the distance of the gap is 1.5mm, and the dielectric and the anti-creeping structure in the embodiment are the same as the dielectric 20 and the anti-creeping structure in the first embodiment.
EXAMPLE III
The main difference between the present embodiment and the first embodiment is in the structures of the discharge body and the electric field, other parts are the same as the first embodiment, only different parts are described herein, and the same parts refer to the related description of the first embodiment and are not described herein in detail.
The electric field means comprise two first electrodes 1 and one second electrode 2. The second electrode support plate 5 is arranged between the two first electrodes 1. The conductor comprises a first section, a second section and a third section which are sequentially connected, a medium 20 is respectively arranged around the surfaces of the first section and the third section, and an anti-creeping structure is arranged on the end surface of the medium close to the second section.
As shown in fig. 5, the first electrode 1 is plate-shaped, and has a plurality of discharge holes 3, and the first electrode 1 is fixedly connected to the inner wall of the housing 100 through a conductive fixing member 4; the second electrode 2 is a discharge body with a medium on the surface, the hole 3 is a through hole, the second section of the conductor is arranged in the second electrode supporting plate 5, and two ends of the medium on the surface of the discharge body 2 are respectively arranged in the discharge holes 3 of the two first electrodes 1 in a penetrating way. The outer surface of the discharge body and the inner wall of the discharge hole 3 are provided with a gap, the distance of the gap is 0.5-1.5mm, in the embodiment, the distance of the gap is 1mm, and the medium and the anti-creeping structure in the embodiment are the same as the medium 20 and the anti-creeping structure in the first embodiment.
Example four
The main difference between the present embodiment and the first embodiment is that the structure of the dielectric barrier discharge body is the same as that of the first embodiment, and only different portions are described herein, and reference is made to the related description of the first embodiment for the same portions, which is not described herein in detail.
In this embodiment, both ends of the conductor are located outside the dielectric.
EXAMPLE five
The main difference between the first embodiment and the second embodiment is that the discharge body structure is the same as that of the first embodiment, and only different portions are described herein.
In this embodiment, a plurality of spikes are disposed on the surface of the first section of the conductor located in the medium, and the spikes can realize point discharge.
EXAMPLE six
The main difference between the present embodiment and the first embodiment is that the structure of the dielectric barrier discharge body is the same as that of the first embodiment, and only different portions are described herein, and reference is made to the related description of the first embodiment for the same portions, which is not described herein in detail.
In this embodiment, an insulating film is attached to the inner wall of the hole 3 in the first electrode 1, and a gap is provided between the outer surface of the dielectric and the insulating film. The distance of the gap is 0.5-5mm, and in the embodiment, the distance of the gap is 1 mm.
EXAMPLE seven
The main difference between the present embodiment and the fourth embodiment is that the first electrode structure has the same structure as that of the first embodiment, and only different portions are described herein.
In this embodiment, an insulating film is attached to the inner wall of the hole 3 in the first electrode 1, and three-dielectric discharge is performed.
A gap is provided between the outer surface of the dielectric and the insulating film. The distance of the gap is 0.5-5mm, and in the embodiment, the distance of the gap is 1.2 mm. Both ends of the conductor are positioned outside the medium, the conductor end positioned in the hole 3 is arranged to be a tip, and enamel firing is carried out on the surface of the tip.
Example eight
The main difference between the present embodiment and the fifth embodiment is that the first electrode structure has the same structure as that of the first embodiment, and only different portions are described herein.
In this embodiment, an insulating film is attached to the inner wall of the hole 3 in the first electrode 1, and three-dielectric discharge is performed. A gap is provided between the outer surface of the dielectric of the discharge body and the insulating film. The distance of the gap is 0.5-5mm, and in the embodiment, the distance of the gap is 1.5 mm.
The discharge body provided by the embodiment comprises a conductor and a medium, wherein the medium is arranged on the surface of the conductor and surrounds at least one part of the conductor, the medium at least comprises one medium, and the end face of the medium is provided with the anti-creeping structure.
The discharge body of this embodiment is the limited discharge mode, can reach discharge, can control not to puncture again, and when it was provided with anti-creep structure, can also eliminate the creepage effectively.
Further, the anti-creeping structure in the embodiment is a concave part formed by inwards concave along the axial direction on the end surface of the first end, the depth of the concave part is reduced from outside to inside, so that the funnel shape is formed integrally, and the structure can effectively eliminate the creeping phenomenon.
The above embodiments are preferred examples of the present invention, and are not intended to limit the scope of the present invention.
Claims (13)
1. A discharge body comprising a conductor and a medium disposed on a surface of the conductor and disposed around at least a portion of the conductor, wherein the conductor comprises at least a first section and a second section, the medium is disposed around a surface of the first section, the medium has a first end near the second section and a second end opposite to the first end, and an end face of the first end is provided with an anti-creeping structure.
2. The discharge body of claim 1, wherein said medium is made of a clay material.
3. The discharge body of claim 1, wherein the dielectric forms a uniform first thickness at the surface of the conductor.
4. The discharge body according to claim 1, wherein said creepage preventing structure is a recess provided on a first end face of said medium, said recess being arranged around said conductor.
5. The discharge body of claim 4, wherein the depressions are in the shape of any one or more of a funnel, a cylinder, and a circular ring.
6. The discharge body according to claim 1, wherein said anti-creeping structure is a projection provided on said first end surface, said projection being arranged around said conductor.
7. The discharge body is characterized by comprising a conductor and a medium, wherein the medium is arranged on the surface of the conductor and surrounds at least one part of the conductor, and the end face of the medium is provided with an anti-creeping structure.
8. The discharge body of claim 7, wherein said medium is ceramic.
9. A discharge body comprising a conductor and a medium disposed on a surface of the conductor and disposed around at least a portion of the conductor,
wherein the conductor comprises a first section, a second section and a third section which are connected in sequence,
the medium is arranged around the surface of the second section, and the end surfaces at two ends of the medium are respectively provided with an anti-creeping structure, or
The medium is arranged around the surfaces of the first section and the third section respectively, and at least the end face of the medium close to the second section is provided with an anti-creeping structure.
10. An electric field device, characterized in that the electric field device comprises a first pole and a second pole,
the first pole has a plate-shaped body provided with a plurality of discharge holes,
the discharge body of any of claims 1-9, wherein the dielectric-provided part of the discharge body extends into the discharge opening and forms a gap with the inner wall of the discharge opening.
11. An electric field arrangement according to claim 10, characterized in that the inner wall of the discharge opening is provided with an insulating film, and that there is a gap between the outer surface of the dielectric and the insulating film.
12. An electric field device according to claim 10 or 11, wherein the gap has a distance in the range of 0.5-5 mm.
13. An ozone generator comprising a housing and an electric field device according to any of claims 10 to 12 mounted within the housing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022218703.5U CN215249564U (en) | 2020-09-30 | 2020-09-30 | Discharge body, electric field device and ozone generator |
| PCT/CN2021/121497 WO2022068834A1 (en) | 2020-09-30 | 2021-09-28 | Discharger and electric field device and ozone generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022218703.5U CN215249564U (en) | 2020-09-30 | 2020-09-30 | Discharge body, electric field device and ozone generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215249564U true CN215249564U (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022218703.5U Active CN215249564U (en) | 2020-09-30 | 2020-09-30 | Discharge body, electric field device and ozone generator |
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| Country | Link |
|---|---|
| CN (1) | CN215249564U (en) |
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- 2020-09-30 CN CN202022218703.5U patent/CN215249564U/en active Active
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