阅读说明：本技术 一种双介质低温等离子体放电盘 (Double-medium low-temperature plasma discharge disc ) 是由 杨小卫 张利宁 于 2021-07-19 设计创作，主要内容包括：本发明涉及一种双介质低温等离子体放电盘,包括安装架和放电管,放电管设置有若干个,包括高压放电管和低压放电管,放电管的两端分别通过绝缘盒安装在安装架上,绝缘盒在对应放电管的一侧设置有开口,绝缘盒在开口处设置有第一绝缘板,第一绝缘板的外侧面矮于绝缘盒的端面,绝缘盒内填充有灌封胶,灌封胶为憎水材料,第一绝缘板上设置有供灌封胶流通的通道,灌封胶填充满绝缘盒后经通道处溢出,从而在第一绝缘板的外侧面处形成胶层,胶层可封堵绝缘盒的开口,胶层的外侧面齐平或高于绝缘盒的端面设置。采用上述方案,其在高压环境下,能够极大的改善电场的分布均匀性,从而改善局部放电的概率,提高产品的工况适应能力(可以耐高温高湿)。(The invention relates to a double-medium low-temperature plasma discharge panel, which comprises a mounting frame and discharge tubes, wherein the discharge tubes are provided with a plurality of high-voltage discharge tubes and low-voltage discharge tubes, two ends of each discharge tube are respectively mounted on the mounting frame through an insulation box, an opening is formed in one side of each insulation box corresponding to the discharge tube, a first insulation plate is arranged at the opening of each insulation box, the outer side surface of each first insulation plate is shorter than the end surface of each insulation box, pouring sealant is filled in each insulation box and is a hydrophobic material, a channel for the circulation of the pouring sealant is formed in each first insulation plate, the pouring sealant overflows from the channel after filling the insulation boxes, so that a glue layer is formed on the outer side surface of each first insulation plate and can block the opening of each insulation box, and the outer side surface of each glue layer is flush with or higher than the end surface of each insulation box. By adopting the scheme, the distribution uniformity of the electric field can be greatly improved under a high-voltage environment, so that the probability of partial discharge is improved, and the working condition adaptability (high temperature and high humidity resistance) of the product is improved.)

1. The utility model provides a two medium low temperature plasma discharge panel, includes mounting bracket and discharge tube, discharge tube is provided with a plurality of, including high-pressure discharge tube and low-pressure discharge tube, two liang of interval distribution of high-pressure discharge tube and low-pressure discharge tube, the both ends of discharge tube are installed on the mounting bracket through insulating box respectively, its characterized in that: the utility model discloses an insulation box, including insulation box, discharge tube, first insulation board, pouring sealant, passageway, channel department, the opening part is provided with the opening in one side that the insulation box corresponds discharge tube, insulation box is provided with first insulation board at the opening part, first insulation board is provided with a plurality of constant head tank along its length direction interval, and each discharge tube inserts respectively and locates corresponding constant head tank department, and the lateral surface of first insulation board is shorter than the terminal surface of insulation box, the insulation box intussuseption is filled with the pouring sealant, the pouring sealant is hydrophobic material, is provided with the passageway that supplies the pouring sealant circulation on the first insulation board, overflows through passageway department after the pouring sealant is full of insulation box to lateral surface department at first insulation board forms the glue film, but the opening of glue film shutoff insulation box, and with discharge tube sealed cooperation, the lateral surface of glue film flushes or is higher than the terminal surface setting of insulation box.

2. A dual-dielectric low-temperature plasma discharge disk according to claim 1, wherein: the pouring sealant can be one or a mixture of two or more of wax, asphalt, organosilane, organic silicon rubber and organic fluorine material.

3. A dual-dielectric low-temperature plasma discharge disk according to claim 1 or 2, wherein: the passageway is seted up in one side of first insulating plate along the length direction of first insulating plate, be provided with the clearance between one side that the passageway was kept away from to first insulating plate and the inner wall of insulating box.

4. A dual-dielectric low-temperature plasma discharge disk according to claim 1 or 2, wherein: the two ends of the first insulating plate in the length direction are respectively provided with a convex block, and the insulating box is provided with a shoulder step groove for bearing the convex block.

5. The dual-dielectric low-temperature plasma discharge disk according to claim 4, wherein: the insulating box is by two relative second insulation boards that set up and two relative third insulation boards that set up, second insulation board and third insulation board fixed connection, and second insulation board and third insulation board enclose city insulating box setting, and the terminal surface of second insulation board is shorter than the terminal surface of third insulation board, and shoulder rank groove is seted up on the second insulation board.

6. A dual-dielectric low-temperature plasma discharge disk according to claim 1 or 2, wherein: the first insulation plate is provided with a long hole along the length direction of the first insulation plate, and each positioning groove is arranged on the inner wall of one side of the long hole.

7. A dual-dielectric low-temperature plasma discharge disk according to claim 1 or 2, wherein: the mounting bracket is of a frame structure, a placing groove for placing the insulation box is formed in the inner wall of the mounting bracket, and the insulation box is inserted into the placing groove.

8. A dual-dielectric low-temperature plasma discharge disk according to claim 1 or 2, wherein: the end parts of the discharge tubes are electrically connected through lead rows, and the lead rows are bonded in the insulating box through pouring sealant.

9. The dual-dielectric low-temperature plasma discharge disk according to claim 5, wherein: and hydrophobic coatings are respectively arranged on the outer side surfaces of the second insulating plate and the third insulating plate.

Technical Field

The invention relates to the technical field of double-medium discharge equipment, in particular to a double-medium low-temperature plasma discharge disc.

Background

The low temperature plasma is the fourth state of matter following the solid, liquid, gaseous state, and when the applied voltage reaches the discharge voltage of the gas, the gas is broken down, creating a mixture of electrons, various ions, atoms, and radicals. Although the electron temperature is high in the discharge process, the heavy particle temperature is low, and the whole system is in a low-temperature state, so that the system is called low-temperature plasma. The Double Dielectric Barrier Discharge (DDBD) technology can generate large-area, high-density, low-temperature plasma, which generates particles rich in extremely high chemical activity, such as high-energy electrons, ions, radicals, excited molecules, and the like. The pollutant in the waste gas reacts with the active groups with higher energy and is finally converted into substances such as carbon dioxide (CO 2) and water (H2O) and the like, thereby achieving the purpose of purifying the waste gas.

For the treatment of industrial waste gases, in particular organic waste gases and malodorous and odorous waste gases, dual-medium low-temperature plasma discharge panels have emerged. However, in a general dual-dielectric low-temperature plasma discharge disk, an insulating plate for placing a discharge tube is exposed outside, and under a complex working condition, such as high temperature and high humidity, and in the presence of liquid water, the occurrence of water drops can cause uniform distribution of electric field intensity, and local electric field intensity is too large, thereby causing local discharge. The heat generated by the partial discharge can gradually damage the properties of the insulation material, causing aging and failure of the insulation.

Disclosure of Invention

The invention overcomes the defects of the prior art and provides the double-medium low-temperature plasma discharge disc which can greatly improve the distribution uniformity of an electric field under a high-pressure environment, thereby improving the probability of partial discharge and improving the working condition adaptability (high temperature and high humidity resistance) of a product.

In order to achieve the purpose, the invention adopts the technical scheme that: a double-medium low-temperature plasma discharge panel comprises a mounting frame and discharge tubes, wherein the discharge tubes are provided with a plurality of high-voltage discharge tubes and low-voltage discharge tubes, the high-voltage discharge tubes and the low-voltage discharge tubes are distributed at intervals, two ends of the discharge tubes are respectively mounted on the mounting frame through insulation boxes, one side of each insulation box corresponding to the discharge tubes is provided with an opening, a first insulation plate is arranged at the opening of each insulation box, the first insulation plate is provided with a plurality of positioning grooves at intervals along the length direction of the first insulation plate, each discharge tube is respectively inserted into the corresponding positioning groove, the outer side face of each first insulation plate is shorter than the end face of each insulation box, the insulation boxes are filled with pouring sealant, the pouring sealant is made of hydrophobic materials, a channel for the pouring sealant to circulate is arranged on the first insulation plate, the pouring sealant overflows through the channel after being filled in the insulation boxes, and a glue layer is formed at the outer side face of the first insulation plate, the glue layer can seal the opening of the insulating box and is in sealing fit with the discharge tube, and the outer side face of the glue layer is flush with or higher than the end face of the insulating box.

By adopting the scheme, the insulating boxes at the two ends of the discharge tube have similar structures, so that only one of the insulating boxes is introduced in the text, the pouring sealant is made of hydrophobic materials, the hydrophobic materials do not absorb water, it is filled in an insulating box through a channel, plays the roles of water resistance, moisture resistance and high-voltage insulation, can position structures such as the insulating box, a discharge tube and the like, and the glue layer is formed by overflowing in the filling process, the outer side surface of the first insulating plate is shorter than the end surface of the insulating box, the glue layer can have a certain thickness, the first insulating plate can be isolated by the glue layer, dirt and accumulated water are not easy to hang on the glue layer, under high-voltage environment, the distribution uniformity of electric field can be greatly improved, thereby improving the probability of partial discharge, improving the working condition adaptability (high temperature and high humidity resistance) of the product, therefore, the performance of the insulating material cannot be damaged, the insulation aging and failure cannot be caused, and the service life of the discharge disc is prolonged.

The invention further provides that: the pouring sealant can be one or a mixture of two or more of wax, asphalt, organosilane, organic silicon rubber and organic fluorine material.

By adopting the scheme, different components can be selected to manufacture the pouring sealant according to actual needs.

The invention further provides that: the passageway is seted up in one side of first insulating plate along the length direction of first insulating plate, be provided with the clearance between one side that the passageway was kept away from to first insulating plate and the inner wall of insulating box.

Through adopting above-mentioned scheme, the position reasonable in design of passageway to setting up in clearance can supply the casting glue to spill over from the clearance, makes the glue film more even, also can reduce the setting of first insulation board, save material.

The invention further provides that: the two ends of the first insulating plate in the length direction are respectively provided with a convex block, and the insulating box is provided with a shoulder step groove for bearing the convex block.

Through adopting above-mentioned scheme, the lug cooperates with shoulder rank groove, the placing of the first insulation board of being convenient for, simple structure, reasonable in design.

The invention further provides that: the insulating box is by two relative second insulation boards that set up and two relative third insulation boards that set up, second insulation board and third insulation board fixed connection, and second insulation board and third insulation board enclose city insulating box setting, and the terminal surface of second insulation board is shorter than the terminal surface of third insulation board, and shoulder rank groove is seted up on the second insulation board.

Through adopting above-mentioned scheme, through screw fixed connection after second insulation board and the mutual concatenation of third insulation board, adopt split type structure, simple to operate, the terminal surface of second insulation board is shorter than the terminal surface of third insulation board, the shaping of the glue film of being convenient for to first insulation board is kept apart to the glue film.

The invention further provides that: the first insulation plate is provided with a long hole along the length direction of the first insulation plate, and each positioning groove is arranged on the inner wall of one side of the long hole.

Through adopting above-mentioned scheme, the hydrophobic material of being convenient for spills over in the setting of slot hole, can carry out effectual sealing to discharging the pipe in constant head tank department to the setting of slot hole is also convenient for discharge the pipe and is placed in constant head tank department.

The invention further provides that: the mounting bracket is of a frame structure, a placing groove for placing the insulation box is formed in the inner wall of the mounting bracket, and the insulation box is inserted into the placing groove.

Through adopting above-mentioned scheme, can arrange two relative standing grooves in respectively with two second insulation boards when the installation in, then establish two third insulation board lids in the both sides of second insulation board, realize the fixed connection of second insulation board and third insulation board through the screw, the whole mounting bracket that can't break away from of insulating box like this, the insulating box installation is more stable.

The invention further provides that: the end parts of the discharge tubes are electrically connected through lead rows, and the lead rows are bonded in the insulating box through pouring sealant.

By adopting the scheme, the lead row is stably installed, and the pouring sealant can also play the roles of water resistance, moisture resistance and high-voltage insulation.

The invention further provides that: and hydrophobic coatings are respectively arranged on the outer side surfaces of the second insulating plate and the third insulating plate.

By adopting the scheme, the hydrophobic coating does not absorb water and is arranged on the outer side surfaces of the second insulating plate and the third insulating plate, so that the waterproof, moistureproof and high-voltage insulating effects are achieved.

The invention is further described below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the discharge plate in an unfilled state;

FIG. 3 is a schematic view of the fitting structure of the insulating case and the insulating plate;

FIG. 4 is a schematic structural diagram of a first insulating plate;

FIG. 5 is a schematic view of a second insulating plate;

fig. 6 is a schematic view of the structure of the discharge tube.

Detailed Description

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-6, a dual-medium low-temperature plasma discharge panel includes a mounting frame 1 and discharge tubes 2, the discharge tubes 2 include a plurality of high-voltage discharge tubes 21 and low-voltage discharge tubes 22, two high-voltage discharge tubes 21 and two low-voltage discharge tubes 22 are distributed at intervals, two ends of the discharge tubes 2 are respectively mounted on the mounting frame 1 through insulation boxes 3, the insulation boxes 3 are provided with openings 31 at one sides corresponding to the discharge tubes 2, the insulation boxes 3 are provided with first insulation plates 4 at the openings 31, the first insulation plates 4 are provided with a plurality of positioning slots 41 at intervals along the length direction thereof, the discharge tubes 2 are respectively inserted in the corresponding positioning slots 41, the outer side surfaces of the first insulation plates 4 are shorter than the end surfaces of the insulation boxes 3, the insulation boxes 3 are filled with a potting adhesive, the potting adhesive is a hydrophobic material, the first insulation plates 4 are provided with channels 42 for the potting adhesive to flow through, the channels 42 are filled with the potting adhesive and overflow from the insulation boxes 3, so that a glue layer 5 is formed at the outer side of the first insulating plate 4, the glue layer 5 can block the opening 31 of the insulating box 3 and is in sealing fit with the discharge tube 2, and the outer side of the glue layer 5 is flush with or higher than the end face of the insulating box 3. The first insulating plate may be a surface coated with an insulating coating, or may be made of an insulating material, such as teflon or epoxy resin.

In this embodiment, the pouring sealant may be one or a mixture of two or more of wax, asphalt, organosilane, silicone rubber and organofluorine material.

In the present embodiment, the channel 42 is opened at one side of the first insulating plate 4 along the length direction of the first insulating plate 4, and a gap 43 is provided between one side of the first insulating plate 4 away from the channel 42 and the inner wall of the insulating box 3. Of course, the first insulating plate may shield the opening, and an overflow hole may be additionally provided on the side of the first insulating plate away from the channel.

In the present embodiment, the first insulating plate 4 is integrally provided with the projections 44 at both ends in the longitudinal direction, and the insulating case 3 is provided with shoulder grooves 321 for receiving the projections 44.

In this embodiment, the insulating box is composed of two second insulating plates 32 and two third insulating plates 33, the second insulating plates 32 and the third insulating plates 33 are connected by screws, the second insulating plates 32 and the third insulating plates 33 are arranged to surround the insulating box 3, the end surfaces of the second insulating plates 32 are shorter than the end surfaces of the third insulating plates 33, and the shoulder grooves 321 are formed in the second insulating plates 32. The second insulating plate and the third insulating plate can be provided with insulating coatings on the surfaces, or integrally made of insulating materials, and the insulating materials can be polytetrafluoroethylene or epoxy resin.

In the present embodiment, the first insulating plate 4 is provided with a long hole 45 along the length direction thereof, and each positioning groove 41 is provided on one side inner wall of the long hole 45.

In this embodiment, the mounting rack 1 is a frame structure, a placing groove 11 for placing the insulating box 3 is provided on the inner wall of the mounting rack 1, the insulating box 3 is inserted into the placing groove 11, and the end of the insulating box 3 can be hidden in the placing groove 11.

In the present embodiment, the end portions of the discharge tubes 2 are electrically connected by the lead row 6, and the lead row 6 is bonded inside the insulating case 3 by potting adhesive.

In the present embodiment, the outer side surfaces of the second insulating plate 32 and the third insulating plate 33 are provided with a hydrophobic coating, respectively. The hydrophobic coating can be one or a mixture of two or more of wax, asphalt, organosilane, organic silicon rubber and organic fluorine material.

The above embodiments are merely preferred embodiments of the present invention, and general changes and substitutions by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.