CN220693382U - Positive and negative ion generating module - Google Patents
Positive and negative ion generating module Download PDFInfo
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- CN220693382U CN220693382U CN202322254784.8U CN202322254784U CN220693382U CN 220693382 U CN220693382 U CN 220693382U CN 202322254784 U CN202322254784 U CN 202322254784U CN 220693382 U CN220693382 U CN 220693382U
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- 230000008901 benefit Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000004887 air purification Methods 0.000 description 1
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- 230000007547 defect Effects 0.000 description 1
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- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
Abstract
The utility model discloses a positive and negative ion generating module, which relates to the technical field of positive and negative ion generation and comprises an inner electrode plate, wherein insulating medium plates are arranged on two side surfaces of the inner electrode plate, an outer electrode plate is arranged on the outer side surface of the insulating medium plate, which is far away from the inner electrode plate, a voltage breakdown region, a critical region and a non-breakdown region are arranged on the side surface of the insulating medium plate, which corresponds to the inner electrode plate, and the critical region is positioned between the voltage breakdown region and the non-breakdown region; the coverage area of the inner electrode plate on the insulating dielectric plate is positioned in the voltage breakdown area; the coverage area of the outer electrode plate on the insulating dielectric plate is a voltage breakdown region and a critical region, and at least a part of the outer electrode plate is a non-breakdown region; the thickness of the non-breakdown region part on the insulating dielectric plate is smaller than that of the voltage breakdown region part on the insulating dielectric plate, and by reducing the thickness of the non-breakdown region part, the non-breakdown region part can be used for reducing materials of the insulating dielectric plate on one hand, and on the other hand, an expanding space can be formed, so that the arrangement of additional components is facilitated.
Description
Technical Field
The utility model relates to the technical field of positive and negative ion generation, in particular to a positive and negative ion generation module.
Background
In the prior art, a positive and negative ion generator (plasma generator) utilizing dielectric barrier discharge generally comprises an inner electrode connected with a high-voltage power supply, a grounded outer electrode and a dielectric plate positioned between the inner electrode and the outer electrode, wherein the dielectric plate is generally a glass plate or a ceramic plate, a dielectric barrier discharge structure is formed to ionize air to generate a large amount of positive ions and negative ions, and the positive ions and the negative ions generate huge energy release in the moment of neutralizing positive and negative charges in the air so as to realize the air purification and sterilization function. The utility model of China with the patent number 202023350414.7 provides a flat plate type dielectric barrier discharge plasma generator which comprises a flat plate-shaped inner electrode plate, two dielectric plates respectively positioned on two side surfaces of the inner electrode plate and two outer electrode plates oppositely arranged on the outer side surfaces of the dielectric plates.
The outer electrode plate typically has a larger footprint than the inner electrode plate to increase the contact area with air. Therefore, a dielectric plate having a length and a width larger than those of the inner electrode plate is generally used, and the length and the width of the dielectric plate are close to those of the outer electrode plate, and are even larger than those of the outer electrode plate so as to be capable of better supporting the outer electrode plate.
The dielectric plate is used as a main component in the dielectric breakdown process, and in the case that the outer electrode plate is opposite to the inner electrode plate, the thickness of the dielectric plate directly affects the breakdown voltage, that is, in practice, the electrical breakdown occurs at the minimum distance between the outer electrode plate and the inner electrode plate.
In contrast to the outer electrode plate, only the part opposite to the inner electrode plate acts on the electric breakdown process, and other parts not opposite to the inner electrode plate are used for increasing the contact area with air, but when the dielectric plate is arranged, the thicknesses of the parts acting on the opposite side and the parts acting on the non-opposite side of the dielectric plate are the same, the parts acting on the non-opposite side of the dielectric plate mainly support the outer electrode plate, and the thickness of the dielectric plate is not needed to be so large for supporting.
Disclosure of Invention
The utility model aims to overcome the defects of the conditions and provide the positive and negative ion generating module capable of setting the thickness of the dielectric plate in a partitioning way so as to reduce the cost of the dielectric plate and obtain an expansion space.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the positive and negative ion generating module comprises an inner electrode plate, wherein insulating medium plates are arranged on two side surfaces of the inner electrode plate, an outer electrode plate is arranged on the outer side surface, far away from the inner electrode plate, of the insulating medium plate, a voltage breakdown region, a critical region and a non-breakdown region are arranged on the side surface, corresponding to the inner electrode plate, of the insulating medium plate, and the critical region is positioned between the voltage breakdown region and the non-breakdown region; the coverage area of the inner electrode plate on the insulating dielectric plate is positioned in the voltage breakdown area; the coverage area of the outer electrode plate on the insulating dielectric plate is a voltage breakdown region and a critical region, and at least a part of the outer electrode plate is a non-breakdown region; the thickness of the non-breakdown region part on the insulating dielectric plate is smaller than that of the voltage breakdown region part on the insulating dielectric plate, and the non-breakdown region part on the insulating dielectric plate is close to the outer electrode plate.
As a further scheme of the utility model: the thickness of the critical area is the same as that of the voltage breakdown area.
As a further scheme of the utility model: the distance between the non-breakdown region and the voltage breakdown region is greater than or equal to the thickness of the voltage breakdown region.
As a further scheme of the utility model: the outer side surface of the non-breakdown region part on the insulating dielectric plate and the outer side surface of the voltage breakdown region part on the insulating dielectric plate are in the same plane.
As a further scheme of the utility model: a positioning block is formed on the non-breakdown area of one insulating dielectric plate, and a positioning hole is correspondingly formed on the non-breakdown area of the other insulating dielectric plate.
As a further scheme of the utility model: the positioning block is provided with at least 2 blocks.
As a further scheme of the utility model: the insulating medium plate is a quartz glass plate or a ceramic plate or organic glass.
Compared with the prior art, the utility model has the following beneficial effects:
the thickness of the non-breakdown region part on the insulating dielectric plate can be released through the voltage breakdown region, the critical region and the non-breakdown region, and besides the supporting outer electrode plate function of the non-breakdown region part on the insulating dielectric plate, the thickness of the non-breakdown region part can be reduced to reduce the material consumption of the insulating dielectric plate, and on the other hand, an expansion space can be formed, so that the arrangement of additional components is facilitated. The critical region is used for ensuring that the voltage breakdown process is smoothly carried out in the voltage breakdown region.
And secondly, through setting the thickness and the spacing, the electric breakdown range is ensured not to exceed the critical area, the smooth proceeding of the voltage breakdown process in the voltage breakdown area is effectively ensured, and the voltage breakdown process is prevented from being influenced by the reduction of the thickness of the non-breakdown area part on the insulating dielectric plate.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a cross-sectional view of the structure of the present utility model;
FIG. 2 is a schematic diagram of the fit structure of the inner electrode plate, the insulating dielectric plate and the outer electrode plate in the utility model;
fig. 3 is an exploded view of the structure of the inner electrode plate, the insulating dielectric plate, and the outer electrode plate according to the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, a positive and negative ion generating module comprises an inner electrode plate 1, wherein insulating medium plates 2 are arranged on two side surfaces of the inner electrode plate 1, and an outer electrode plate 3 is arranged on an outer side surface, far away from the inner electrode plate 1, of the insulating medium plates 2.
A voltage breakdown region 21, a critical region 22 and a non-breakdown region 23 are arranged on the side surface of the insulating dielectric plate 2, which corresponds to the inner electrode plate 1, and the critical region 22 is positioned between the voltage breakdown region 21 and the non-breakdown region 23; the coverage area of the inner electrode plate 1 on the insulating dielectric plate 2 is positioned in the voltage breakdown region 21; the coverage of the outer electrode plate 3 on the insulating dielectric plate 2 is such as to cover the voltage breakdown region 21 and the critical region 22, and at least partially cover the non-breakdown region 23.
The thickness of the non-breakdown region part of the insulating dielectric plate 2 is smaller than that of the voltage breakdown region part of the insulating dielectric plate 2, and the non-breakdown region part of the insulating dielectric plate is close to the outer electrode plate 3.
Through voltage breakdown region 21, critical region 22 and non-breakdown region 23 for the thickness at non-breakdown region position on insulating dielectric plate 2 can be released, and except that the support outer electrode plate 3 that should have on the non-breakdown region position on insulating dielectric plate 2 acts on, through reducing the thickness at this position, can be used for reducing the material of insulating dielectric plate on the one hand, on the other hand, can form the expansion space, more do benefit to the setting of additional part. Critical section 22 is used to ensure that the voltage breakdown process proceeds smoothly in the voltage breakdown region.
Preferably, the thickness of the critical region is the same as the thickness of the voltage breakdown region. The distance between the non-breakdown region and the voltage breakdown region is greater than or equal to the thickness of the voltage breakdown region. Through setting up thickness and interval, ensure that electric breakdown scope can not surpass critical section 22, effectively ensure going on smoothly in voltage breakdown area 21 of voltage breakdown process, avoid influencing voltage breakdown process because of the thickness reduction in non-breakdown area position on the insulating dielectric plate.
Preferably, the insulating dielectric plate is a quartz glass plate or a ceramic plate or a plexiglass.
Further, the outer side surface of the non-breakdown region part on the insulating dielectric plate 2 and the outer side surface of the voltage breakdown region part on the insulating dielectric plate 2 are in the same plane. The insulating dielectric plates 2 can better support the outer electrode plates 3, and the position of each insulating dielectric plate with reduced thickness is located at the inner side, so that a larger integral expansion space can be formed.
The additional member may be a member provided for positioning the outer electrode plate or a member provided for positioning the inner electrode plate.
In the embodiment of the present utility model, the arrangement of the additional components may be: the non-breakdown area of one insulating medium plate is provided with a positioning block (not shown), and the non-breakdown area of the other insulating medium plate is provided with a positioning hole (not shown) correspondingly, so that the two insulating medium plates can be positioned during installation, and the position with large thickness and the position with small thickness can be positioned at the set positions.
Preferably, the positioning block has at least 2 blocks.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The positive and negative ion generating module comprises an inner electrode plate, wherein both side surfaces of the inner electrode plate are respectively provided with an insulating dielectric plate, and an outer electrode plate is arranged on the outer side surface of the insulating dielectric plate, which is far away from the inner electrode plate;
the coverage area of the inner electrode plate on the insulating dielectric plate is positioned in the voltage breakdown area;
the coverage area of the outer electrode plate on the insulating dielectric plate is a voltage breakdown region and a critical region, and at least a part of the outer electrode plate is a non-breakdown region;
the thickness of the non-breakdown region part on the insulating dielectric plate is smaller than that of the voltage breakdown region part on the insulating dielectric plate, and the non-breakdown region part on the insulating dielectric plate is close to the outer electrode plate.
2. The positive and negative ion generating module according to claim 1, wherein the critical region has the same thickness as the voltage breakdown region.
3. The positive and negative ion generating module according to claim 1, wherein a distance between the non-breakdown region portion and the voltage breakdown region portion is equal to or greater than a thickness of the voltage breakdown region portion.
4. The positive and negative ion generating module according to claim 1, wherein the outer side of the non-breakdown region on the dielectric plate is in the same plane as the outer side of the voltage breakdown region on the dielectric plate.
5. The positive and negative ion generating module according to any one of claims 1 to 4, wherein a positioning block is formed on a non-breakdown region of one of the dielectric plates, and a positioning hole is formed on a non-breakdown region of the other dielectric plate.
6. The positive and negative ion generating module of claim 5, wherein the positioning block has at least 2 blocks.
7. A positive and negative ion generating module according to claim 1 or 2 or 3 or 4 or 6, wherein the insulating dielectric plate is a quartz glass plate or a ceramic plate or a plexiglass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322254784.8U CN220693382U (en) | 2023-08-22 | 2023-08-22 | Positive and negative ion generating module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322254784.8U CN220693382U (en) | 2023-08-22 | 2023-08-22 | Positive and negative ion generating module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220693382U true CN220693382U (en) | 2024-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322254784.8U Active CN220693382U (en) | 2023-08-22 | 2023-08-22 | Positive and negative ion generating module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220693382U (en) |
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2023
- 2023-08-22 CN CN202322254784.8U patent/CN220693382U/en active Active
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