CN111163578A - Electrode sheet, electrode plate, electrode block and plasma generator - Google Patents
Electrode sheet, electrode plate, electrode block and plasma generator Download PDFInfo
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- CN111163578A CN111163578A CN201811326823.8A CN201811326823A CN111163578A CN 111163578 A CN111163578 A CN 111163578A CN 201811326823 A CN201811326823 A CN 201811326823A CN 111163578 A CN111163578 A CN 111163578A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/2406—Generating plasma using dielectric barrier discharges, i.e. with a dielectric interposed between the electrodes
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/2406—Generating plasma using dielectric barrier discharges, i.e. with a dielectric interposed between the electrodes
- H05H1/2418—Generating plasma using dielectric barrier discharges, i.e. with a dielectric interposed between the electrodes the electrodes being embedded in the dielectric
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The invention relates to the technical field of plasma, and discloses an electrode plate, an electrode block and a plasma generator. The electrode slice (115) comprises a blocking dielectric plate (1151), an insulating seat (1154) formed with an installation groove, a conductive connecting piece (1153) and a conductive piece (1156) arranged between the blocking dielectric plate and the insulating seat, wherein the conductive piece and the insulating seat are located in the installation groove, one end of the conductive connecting piece is connected with the conductive piece, the other end of the conductive connecting piece extends to the outside of the insulating seat to form an electric connecting terminal (1155), and insulating glue (1152) is filled in a gap between the blocking dielectric plate and the conductive piece and the installation groove. The electrode plate is simple in structure, can be used for effectively, stably and hermetically insulating the conducting plate for a long time, and is convenient for simple installation and quick disassembly of the plate electrode.
Description
Technical Field
The invention relates to the technical field of plasma, in particular to an electrode plate, an electrode block and a plasma generator.
Background
The low-temperature plasma technology is an economic and effective waste gas treatment mode and can be used for treating various gas-phase pollutants such as Volatile Organic Compounds (VOCs), nitrogen oxides (NOx) and sulfur dioxide (SO)2) And the like. The plasma generator has various forms including corona discharge, dielectric barrier discharge, sliding arc discharge, and the like, wherein the dielectric barrier discharge is the most widely used plasma generator. The dielectric barrier discharge plasma generator separates two discharge electrodes (a high-voltage electrode and a grounding electrode) through an insulating medium, so that the generation of spark discharge is reduced, and the stability of a discharge process is improved. Furthermore, the double-dielectric barrier discharge plasma generator only enables the discharge process to occur in a space surrounded by two layers of insulating media by coating the insulating media on the discharge sides of the high-voltage electrode and the grounding electrode, thereby eliminating spark discharge, protecting the electrodes (preventing corrosion), improving the safety of the reactor and prolonging the service life of the electrodes. The disadvantage is that the introduction of two layers of insulating medium improves the discharge voltage of the reactor, thereby increasing the energy consumption of the system to a certain extent. However, from an industrial point of view, safe operation is the first place, and thus, the dual-dielectric barrier reactor becomes a widespread low-temperature reactorThe first choice of plasma technology exhaust gas treatment.
At present, the configurations of the double-dielectric barrier plasma generator mainly comprise a sleeve type and a cascade type. Wherein, the grid layout of the cascade reactor is especially suitable for large wind volume (more than or equal to 1000 m)3The treatment of industrial waste gas is divided into calandria type and plate type according to the shape of the electrode. The calandria type electrode has the advantages of simple structure, convenient maintenance, low manufacturing cost and the like, and has the defect of small discharge area, namely a thin layer region formed by the curved surface with the nearest distance between two adjacent high-voltage electrodes and the grounding electrode. In contrast, the plate-type electrode has a larger discharge area, so that the plate-type electrode has higher pollutant degradation performance, but the plate-type electrode has a complicated structure, and the electrode is usually packaged in an insulating material (such as ceramic) by using a packaging mode of ceramic glue, glass glue and other bonding materials, so that the packaging mode does not tolerate industrial waste gas with complicated components, and fine cracks are easily generated at the bonding position, thereby causing a creepage phenomenon.
It is therefore desirable to have an electrode sheet with a simple structure and high reliability that overcomes or at least alleviates the above-mentioned drawbacks of the prior art.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provide an electrode plate which has the advantages of sealing insulation, energy consumption, simple structure and convenience in disassembly and assembly.
In order to achieve the above object, an aspect of the present invention provides an electrode plate, where the electrode plate includes a blocking dielectric plate, an insulating seat formed with a mounting groove, a conductive connecting member, and a conductive sheet disposed between the blocking dielectric plate and the insulating seat, the conductive sheet and the insulating seat are located in the mounting groove, one end of the conductive connecting member is connected to the conductive sheet, and the other end of the conductive connecting member extends to the outside of the insulating seat to form an electrical connection terminal, where an insulating glue is filled in a gap between the blocking dielectric plate and the mounting groove, and the conductive sheet and the mounting groove.
Preferably, the blocking dielectric plate and the conducting plate are combined into a whole and then installed in the installation groove, wherein the conducting plate is adhered to the blocking dielectric plate by spraying the insulating glue on the conducting plate and/or the blocking dielectric plate.
Preferably, the blocking dielectric plate is made of quartz glass or ceramic; and/or the insulating seat is made of polytetrafluoroethylene or nylon; and/or the insulating glue is liquid curable epoxy resin.
Preferably, the conductive connecting member includes a first conductive connecting member and a second conductive connecting member which are disposed at an interval in the electrode sheet.
Preferably, the conductive connecting member is formed as a metal bolt, a head of the metal bolt abuts against the conductive sheet, a rod of the metal bolt penetrates through the insulating base, and one end of the rod, which is far away from the head, is formed as the electrical connection terminal.
Preferably, a threaded hole corresponding to the metal bolt is formed in the insulating base, the metal bolt can be screwed to adjust the position of the head, and the side surface, away from the conducting strip, of the blocking dielectric plate is parallel to the bottom surface of the mounting groove by adjusting the position of the head.
According to a second aspect of the present invention, there is provided an electrode plate comprising an insulating plate, a plurality of electrode tabs according to the above arranged at intervals on a first side of the insulating plate, and an electrical connection tab interconnecting each of the electrode tabs, wherein an electrical connection terminal of the electrode tab extends through the insulating plate and out of a second side of the insulating plate.
Preferably, the electrode plate includes a conductive nut screwed to the electrical connection terminal and fixing the electrical connection sheet to the electrical connection terminal, and an insulating cover covering a portion of the electrical connection terminal protruding from the conductive nut.
Preferably, the first side of the insulating plate is formed with a plurality of receiving grooves corresponding to a plurality of the electrode tabs, and a bottom of each of the receiving grooves is formed with a through-hole corresponding to the electrical connection terminal, the electrode tabs being mounted in the receiving grooves such that the electrical connection terminal extends through the through-holes; and/or a flange protruding from the insulation cover is formed on the periphery of the second side of the insulation plate.
Preferably, the insulating base is integrated with the insulating plate; and/or the electrode plate comprises a metal connecting sheet, and one end of the metal connecting sheet is connected with the electric connecting sheet.
According to a third aspect of the present invention, there is provided an electrode block, comprising a first electrode plate and a second electrode plate, the first electrode plate and the second electrode plate being the electrode plates according to the above, a second side of the first electrode plate abutting against a second side of the second electrode plate.
Preferably, the first electrode plate and the second electrode plate are fixed together by a plurality of fasteners arranged at intervals along the outer circumference thereof; and/or the electrode block comprises a conductive coupler which is connected with the other end of the metal connecting sheet of the first electrode plate and the other end of the metal connecting sheet of the second electrode plate.
Preferably, the flange of the first electrode plate and the flange of the second electrode plate are formed with an avoiding opening, the conductive coupler passes through the avoiding opening and extends to the outside of the electrode block, and the electrode block further comprises an insulating fixing ring for fixing the conductive coupler.
Preferably, the flange of the first electrode plate abuts against the flange of the second electrode plate, the flange of the first electrode plate and the flange of the second electrode plate are respectively formed with mounting holes corresponding to each other, and fastening bolts penetrating through the mounting holes of the first electrode plate and the mounting holes of the second electrode plate fix the first electrode plate and the second electrode plate together.
Preferably, the mounting hole of the first electrode plate and/or the mounting hole of the second electrode plate are/is formed with a counter bore.
According to a fourth aspect of the present invention, there is provided a plasma generator comprising: the casing, set up in inside support frame of casing with arrange in a plurality of according to the above on the support frame electrode piece, it is a plurality of electrode piece includes the edge the width direction interval arrangement's of casing high voltage electrode piece and low voltage electrode piece.
Preferably, the plasma generator includes an upper electrode block layer, a lower electrode block layer and a ground wire disposed between the upper electrode block layer and the lower electrode block layer, the ground wire is connected to each of the low-voltage electrode blocks, the upper portion of the housing is provided with a first high-voltage connection plate connected to each of the upper electrode block layers and the high-voltage electrode blocks, and the lower portion of the housing is provided with a second high-voltage connection plate connected to each of the high-voltage electrode plates of the lower electrode block layer.
Preferably, the conductive couplers of the high voltage electrode blocks are arranged toward the respective first or second high voltage connection plate, and the conductive couplers of the low voltage electrode blocks are arranged toward the ground line; and/or the support frame comprises a middle support plate, side wall guard plates arranged at two ends of the middle support plate, an upper guard plate and a lower guard plate, wherein a plurality of electrode block mounting grooves corresponding to the plurality of electrode blocks are formed in the middle support plate, the upper guard plate and the lower guard plate respectively, the grounding wire is integrated in the middle support plate, a grounding connection port is arranged at a position corresponding to the low-voltage electrode block, an upper high-voltage connection port corresponding to the high-voltage electrode block of the upper electrode block layer is formed in the upper guard plate, and a lower high-voltage connection port corresponding to the high-voltage electrode block of the lower electrode block layer is formed in the lower guard plate.
Through above-mentioned technical scheme, electrode slice simple structure just can carry out effectual, long-term, stable sealed insulation to the conducting strip, need not to use materials such as insulating cement in a large number in the installation to fix electrode slice and guarantee insulating properties, the simple and easy installation and the quick dismantlement of the plate electrode of being convenient for, and make plate electrode, electrode block, the plasma generator that has this electrode slice also possess corresponding advantage, and the nimble adjustment of its performance of being convenient for.
Drawings
FIG. 1 is a schematic view of an electrode sheet according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the electrode sheet shown in FIG. 1;
FIG. 3 is a schematic view of an electrode plate according to an embodiment of the present invention;
FIG. 4 is a schematic view of another angle of the electrode plate shown in FIG. 3;
FIG. 5 is a schematic cross-sectional view of the electrode plate shown in FIG. 3 with an electrically conductive coupler mounted thereto;
FIG. 6 is a schematic view of an electrode plate according to another embodiment of the present invention;
FIG. 7 is a schematic view of another angle of the electrode plate shown in FIG. 6;
FIG. 8 is a schematic view showing an exploded state of an electric connecting piece, a conductive nut and an insulating cover of the electrode plate shown in FIG. 3;
FIG. 9 is a schematic cross-sectional view of an electrode block according to an embodiment of the invention;
FIG. 10 is a schematic view of a plasma generator according to an embodiment of the present invention;
FIG. 11 is a schematic view of the plasma generator of FIG. 10 with the housing removed;
FIG. 12 is a schematic view of a mid-support plate and side gusset of the plasma generator of FIG. 10;
FIG. 13 is a schematic view of an upper shield of the plasma generator shown in FIG. 10;
fig. 14 is an exploded schematic view of a housing of the plasma generator shown in fig. 10;
fig. 15 is a schematic sectional view of a first high-voltage connection plate of the plasma generator shown in fig. 10.
Description of the reference numerals
1-plasma generator, 11-electrode block, 111-high voltage electrode block, 112-low voltage electrode block, 113-electrode plate, 1131-insulating plate, 1132-insulating cover, 1133-conductive nut, 1134-avoiding opening, 1135-flange, 1136-electrical connecting piece, 1137-metal connecting piece, 1138-mounting hole, 114-conductive coupler, 1141-insulating fixing ring, 115-electrode piece, 1151-blocking dielectric plate, 1152-insulating glue, 1153-conductive connecting piece, 1154-insulating base, 1155-electrical connecting terminal, 1156-conductive piece, 12-support frame, 121-middle support plate, 122-upper guard plate, 123-lower guard plate, 124-side guard plate, 125-side guard plate, 126-electrode block mounting groove, 127-ground connection port, 128-ground line via hole, 129-upper high voltage connection port, 13-shell, 131-ground line via hole, 132-upper cover plate, 133-connection port, 14-first high voltage connection plate, 141-electrical connection protrusion, 142-electrical connection groove, 15-second high voltage connection plate.
Detailed Description
In the present invention, unless otherwise specified, the terms of orientation such as "upper and lower" are generally used to refer to the upper and lower parts shown in the drawings of the present invention, and are only used to describe the structure of the electrode sheet in the present invention more clearly.
According to an aspect of the present invention, there is provided an electrode tab, referring to fig. 1 and 2, an electrode tab 115 comprising a blocking dielectric plate 1151, an insulating base 1154 formed with a mounting groove, a conductive connecting member 1153, and a conductive plate 1156 disposed between the blocking dielectric plate 1151 and the insulating base 1154, the conductive plate 1156 and the insulating base 1154 being located in the mounting groove, one end of the conductive connecting member 1153 being connected to the conductive plate 1156, and the other end thereof extending to the outside of the insulating base 1154 to form an electrical connection terminal 1155, wherein a gap between the blocking dielectric plate 1151 and the conductive plate 1156 and the mounting groove is filled with an insulating paste 1152.
Above-mentioned electrode slice simple structure just can carry out effectual, long-term, stable sealed insulation to the conducting strip, need not to use materials such as insulating cement in a large number to fix the electrode slice and ensure insulating properties in the installation, the simple and easy installation and the quick dismantlement of the plate electrode of being convenient for.
The assembly method of the electrode plate 115 can be properly selected according to actual needs, for example, the conductive plate 1156 and the blocking dielectric plate 1151 are sequentially fixed in the mounting groove, and finally the insulating glue 1152 is filled, but this method is difficult to ensure the precision and the reliability of the fixing of the product. Preferably, the blocking dielectric plate 1151 and the conductive plate 1156 are integrated and then mounted in the mounting groove, so that the sealing performance between the blocking dielectric plate 1151 and the conductive plate 1156 is ensured. The blocking dielectric plate 1151 and the conductive plate 1156 may be integrated by any suitable method, such as injection molding, clamping by a clamping structure, or the like. Preferably, the conducting plate 1156 is adhered to the blocking dielectric plate 1151 by spraying the insulating glue 1152 on the conducting plate 1156 and/or the blocking dielectric plate 1151, so that the method is simple, convenient and reliable, the conducting plate 1156 can be blocked on the blocking dielectric plate 1151 by a fixed value without extra parts, the product manufacturing process is simple and convenient, and the insulating property of the electrode plate 115 can be enhanced in an auxiliary manner.
The material that blocks dielectric plate 1151, insulator housing 1154 and then insulating cement 1152 can carry out appropriate selection according to actual need, preferably, the material that blocks dielectric plate 1151 is quartz glass or pottery, and insulating properties is better, and the material of insulator housing 1154 is polytetrafluoroethylene or nylon, and insulating properties adds, and the machine-shaping of being convenient for, insulating cement 1152 is the solidifiable epoxy resin of liquid, and the insulating properties of epoxy resin class material is good, and the adhesive bonding ability is strong. The conductive sheet 1156 may be a conductive metal such as copper, iron, tungsten, or other suitable conductive material.
The number of the conductive connecting members 1153 may be appropriately selected according to actual needs, and the requirement for electrical connection may be satisfied, referring to fig. 2, the conductive connecting members 1153 include a first conductive connecting member and a second conductive connecting member which are disposed at an interval on the electrode sheet 115, so that the electrode sheets 115 are conveniently connected in series or in parallel in a circuit.
The type of the conductive connecting member 1153 can be appropriately selected according to actual needs, and preferably, the conductive connecting member 1153 is formed as a metal bolt, the head of the metal bolt abuts against the conductive sheet 1156 to increase the conductive area, the shaft of the metal bolt penetrates through the insulating seat 1154, the end of the shaft far away from the head is formed as an electrical connection terminal 1155, and a user can mount the electrode sheet 115 to an appropriate base or other structure by using the metal bolt, or fix any appropriate structure to the insulating seat 1154 by using the metal bolt, such as the electrical connection sheet 1136 mentioned below.
The metal bolt can be tightly pressed at the bottom of the mounting groove through the conducting strip 1156, then the tubular insulating glue 1152 is needed, preferably, a threaded hole corresponding to the metal bolt is formed in the insulating seat 1154, the metal bolt can be screwed to adjust the position of the head, the side face, far away from the conducting strip 1156, of the blocking dielectric plate 1151 is parallel to the bottom face of the mounting groove through adjusting the position of the head, the metal bolt can be used for adjusting the position of the blocking dielectric plate 1151, the appearance of the electrode plate 115 is attractive, the thickness of the insulating glue 1152 between the conducting strip 1156 and the ground of the mounting groove is uniform, and the number of the metal bolts can be increased properly according to the size of the conducting strip 1156. Further, it is to be noted that, in order to keep the discharge uniform, the blocking dielectric plate 1151 and the conductive plate 1156 are preferably provided at the midpoint of the mounting groove.
According to an aspect of the present invention, there is provided an electrode plate, referring to fig. 3 and 4, the electrode plate 113 includes an insulating plate 1131, a plurality of electrode tabs 115 according to the above described disposed at intervals on a first side of the insulating plate 1131, and an electrical connection tab 1136 interconnecting the respective electrode tabs 115, wherein an electrical connection terminal 1155 of the electrode tabs 115 extends through the insulating plate 1131 and out of a second side of the insulating plate 1131.
The arrangement of the electrode plates 115 on the electrode plate 113 can flexibly adjust the layout, number, size, etc. of the electrode plates 115 on the electrode plate 113 according to different requirements. And arranging a plurality of electrode tabs 115 on electrode plate 113 makes the size of a single conductive sheet 1156 smaller, which is convenient for manufacturing and assembling, and the combined electrode plate 113 has a larger discharge area and higher discharge capacity.
Preferably, electrode plate 113 includes a conductive nut 1133 and an insulating cover 1132, conductive nut 1133 is screwed onto electrical connection terminal 1155 and secures electrical connection pad 1136 to electrical connection terminal 1155, and insulating cover 1132 covers the portion of electrical connection terminal 1155 that protrudes from conductive nut 1133, preventing electrical leakage from electrical connection terminal 1155. Moreover, it is further preferred that insulative cover 1132 cover both electrical connection terminals 1155 and respective conductive nuts 1133, further reducing the likelihood of electrical leakage.
Preferably, referring to fig. 4 and 5, the first side of the insulating plate 1131 is formed with a plurality of receiving grooves corresponding to the plurality of electrode tabs 115, and the bottom of each of the receiving grooves is formed with a through hole corresponding to the electrical connection terminal 1155, the electrode tabs 115 are mounted in the receiving grooves such that the electrical connection terminal 1155 extends through the through holes, and the electrical connection tab 1136 is disposed on the second side of the insulating plate 1131 and fixed to the electrical connection terminal 1155 by means of a conductive nut 1133.
Referring again to fig. 4, 5 and 8, the outer circumference of the second side of the insulating plate 1131 is formed with a flange 1135 protruding from the insulating cover 1132, and the flange 1132 may protect the electric connection terminal 1155, the insulating cover 1132 and the conductive nut 1133 protruding from the side surface of the second side of the insulating plate 1131 and prevent them from interfering with each other when the electrode plate 113 is butted thereto.
Preferably, the insulating base 1154 is integrated with the insulating plate 1131, so as to reduce the number of parts and reduce the size of the product, thereby making the structure of the electrode plate 113 more compact.
The electrode tabs 115 on the electrode plate 113 shown in fig. 3 and 4 are arranged in a manner that ensures that the gas flow can pass through the discharge region when flowing on the front surface of the electrode plate 113. Referring to fig. 6 and 7, schematically illustrating an electrode plate according to another embodiment of the present invention, in this embodiment, electrode tabs 115 on an electrode plate 113 are arranged in another manner, which is characterized by enhancing the discharge area of the gas flow in the same gas flow channel. In addition, the number of the electrode sheets 115 distributed on the surface of each electrode plate 113 is not limited to eight or nine, and may be arbitrarily increased or decreased according to actual requirements.
Preferably, referring to fig. 5, the electrode plate 113 includes a metal connecting plate 1137, one end of the metal connecting plate 1137 is connected to the electrical connecting plate 1136, and the other end of the metal connecting plate 1137 is connected when the electrode plate 113 needs to communicate with an external circuit, so as to facilitate the connection of the electrode plate 113.
According to a further aspect of the present invention, there is provided an electrode block, see fig. 9, the electrode block 11 comprises a first electrode plate and a second electrode plate, the first electrode plate and the second electrode plate are the electrode plates 113 according to the above, and the second side of the first electrode plate abuts against the second side of the second electrode plate.
The electrode block 11 has a compact structure, good insulating property and simple and convenient assembly and disassembly, is convenient for cleaning and maintaining equipment such as a plasma generator and the like provided with the electrode block, and reduces the maintenance cost of the equipment. And the performance of the electrode block 11 can be adjusted by flexibly adjusting the number and the layout mode of the electrode plates 115 on the electrode plate 113, and the adjustment mode is flexible and various and is suitable for various requirements.
The first and second electrode plates may be secured together by any suitable means, such as adhesive, riveting, clamping, etc. Preferably, the first electrode plate and the second electrode plate are fixed together through a plurality of fasteners arranged along the peripheries of the first electrode plate and the second electrode plate at intervals, and the flanges of the first electrode plate and the flanges of the second electrode plate are tightly attached together through the plurality of fasteners arranged along the peripheries of the first electrode plate and the second electrode plate, so that the electric leakage phenomenon is reduced, the influence of external dust and impurities on the inside of the electrode block 11 is avoided, and the reliability and the service life of the electrode block 11 are improved.
Preferably, the electrode block 11 includes a conductive coupler 114 connecting the other end of the metal connecting tab 1137 of the first electrode plate and the other end of the metal connecting tab 1137 of the second electrode plate, the conductive coupler 114 connects the electrode tabs of the first electrode plate and the second electrode plate together, and an external circuit can simultaneously connect the electrode tabs of the first electrode plate and the second electrode plate only by connecting the conductive coupler 114, so as to facilitate the rapid assembly and disassembly of the electrode block 11. Of course, the first electrode plate and the second electrode plate can be selectively connected to an external circuit if necessary.
Preferably, referring to fig. 3, 4 and 9, the flange 1135 of the first electrode plate and the flange 1135 of the second electrode plate are formed with an avoiding opening 1134, the conductive coupler 114 extends to the outside of the electrode block through the avoiding opening 1134, the electrode block 11 further includes an insulating fixing ring 1141 for fixing the conductive coupler 114, the conductive coupler 114 extends to the outside of the electrode block 11 to facilitate the electrical connection of the electrode block, and the insulating fixing ring 1141 ensures the stability of the conductive coupler 114. The fixing manner of the conductive coupler 114 can be selected according to actual requirements, for example, the insulating fixing ring 1141 is formed with an internal thread, and the conductive coupler 114 is formed with an external thread matching with the internal thread; or the insulating fixing ring 1141 is snapped on the conductive coupler 114.
Preferably, the flange 1135 of the first electrode plate abuts against the flange 1135 of the second electrode plate, the flange 1135 of the first electrode plate and the flange 1135 of the second electrode plate are respectively provided with mounting holes 1138 corresponding to each other, the first electrode plate and the second electrode plate are fixed together by fastening bolts penetrating through the mounting holes 1138 of the first electrode plate and the mounting holes 1138 of the second electrode plate, the first motor plate and the second electrode plate are fixed together stably and reliably by the fastening bolts, and the electrode plates are convenient to disassemble and assemble.
Preferably, the mounting hole 1138 of the first electrode plate and/or the mounting hole 1138 of the second electrode plate are/is formed with a counter bore, so as to prevent the fastening bolt from protruding out of the outer surface of the electrode block 11 and interfering with other components.
According to still another aspect of the present invention, there is provided a plasma generator, referring to fig. 10 and 11, the plasma generator 1 including: the electrode assembly comprises a shell 13, a support frame 12 arranged inside the shell 13 and a plurality of electrode blocks 11 arranged on the support frame 12, wherein the plurality of electrode blocks 11 comprise high-voltage electrode blocks 111 and low-voltage electrode blocks 112 which are arranged at intervals along the width direction of the shell 13. The plasma generator is simple and convenient to disassemble and assemble, high in reliability, capable of achieving long-term and effective sealing of the conducting strip 1156, and capable of flexibly adjusting the waste gas treatment capacity and performance of the plasma generator 1 according to different working conditions.
Preferably, the plasma generator 1 includes an upper electrode block layer, a lower electrode block layer and a grounding wire arranged between the upper electrode block layer and the lower electrode block layer, the grounding wire is connected with each low-voltage electrode block 112, the upper portion of the housing 13 is provided with a first high-voltage connecting plate 14, the lower portion of the housing 13 is provided with a second high-voltage connecting plate 15, wherein the first high-voltage connecting plate 14 is connected with each high-voltage electrode block 111 of the upper electrode block layer, and the second high-voltage connecting plate 15 is connected with each high-voltage electrode plate 111 of the lower electrode block layer, so that the high-voltage electrode blocks 111 and the low-voltage electrode blocks 112 are electrically connected.
Preferably, the conductive coupler 114 of the high voltage electrode block 111 is disposed toward the corresponding first high voltage connection plate 14 or second high voltage connection plate 15, and the conductive coupler 114 of the low voltage electrode block 112 is disposed toward the ground line, so that the high voltage electrode block 111 and the low voltage electrode block 112 are electrically connected.
Preferably, the support frame 12 includes a middle support plate 121, side guard plates 124 and 125 disposed at two ends of the middle support plate 121, an upper guard plate 122, and a lower guard plate 123 for protecting the respective electrode blocks and improving the stability of the electrode blocks, wherein a ground wire via hole 128 is formed on the side guard plate 125 for facilitating the arrangement of a ground wire. Referring to fig. 12 and 13, a plurality of electrode block mounting grooves 126 are formed in the middle support plate 121, the upper guard plate 122 and the lower guard plate 123, respectively, and are arranged corresponding to the plurality of electrode blocks 11 (the upper guard plate 122 and the lower guard plate 123 are structurally corresponding to the electrode block mounting grooves 126 in the middle support plate 121), so that the electrode blocks 11 can be conveniently positioned and mounted. The grounding wire is integrated on the middle supporting plate 121 and is provided with a grounding connection port 127 at a position corresponding to the low-voltage electrode block 112, an upper high-voltage connection port 129 corresponding to the high-voltage electrode block 111 of the upper electrode block layer is formed on the upper protective plate 122, and a lower high-voltage connection port corresponding to the high-voltage electrode block 111 of the lower electrode block layer is formed on the lower protective plate 123, so that the high-voltage electrode blocks 111 and the low-voltage electrode block 112 can be electrically connected conveniently, and the plasma generator has a compact structure.
Referring to fig. 14, the housing 13 includes ground line passing holes 131 arranged corresponding to the ground lines, and connection ports 133 are formed on an upper cover plate 132 of the housing 13 to be arranged corresponding to the respective high voltage electrode blocks 111, and the lower cover plate of the housing is similar in structure to the upper cover plate 132 and will not be described again.
Referring to fig. 15 and 15, the first high voltage connection plate 14 is formed with electrical connection grooves 142 and electrical connection protrusions 141 to facilitate connection of the first high voltage connection plate 14 to the respective high voltage electrode blocks 111. The second high-pressure connection plate 15 is similar in structure to the first high-pressure connection plate 14, and will not be described in detail.
The number of the electrode blocks can be adjusted at will according to actual requirements, and the volume of the corresponding shell 13 can also be changed. For example, in the existing layout, the same or more electrode blocks are connected in parallel, and the sectional area of the corresponding shell 13 is increased; alternatively, the length of the corresponding housing 13 may be increased by connecting the same or more electrode blocks in series based on the same layout.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, numerous simple modifications can be made to the technical solution of the invention, including combinations of the specific features in any suitable way, and the invention will not be further described in relation to the various possible combinations in order to avoid unnecessary repetition. Such simple modifications and combinations should be considered within the scope of the present disclosure as well.
Claims (18)
1. The electrode plate is characterized in that the electrode plate (115) comprises a blocking dielectric plate (1151), an insulating seat (1154) formed with an installation groove, a conductive connecting piece (1153) and a conductive piece (1156) arranged between the blocking dielectric plate (1151) and the insulating seat (1154), the conductive piece (1156) and the insulating seat (1154) are located in the installation groove, one end of the conductive connecting piece (1153) is connected to the conductive piece (1156), the other end of the conductive connecting piece extends to the outside of the insulating seat (1154) to form an electric connecting terminal (1155), wherein an insulating glue (1152) is filled in a gap between the blocking dielectric plate (1151) and the conductive piece (1156) and the installation groove.
2. The electrode sheet according to claim 1, wherein the blocking dielectric plate (1151) and the conductive plate (1156) are integrated and then mounted in the mounting groove, wherein the conductive plate (1156) is adhered to the blocking dielectric plate (1151) by spraying the insulating glue (1152) on the conductive plate (1156) and/or the blocking dielectric plate (1151).
3. The electrode sheet according to claim 1, wherein the blocking dielectric plate (1151) is made of quartz glass or ceramic; and/or the insulating seat (1154) is made of polytetrafluoroethylene or nylon; and/or the insulating glue (1152) is a liquid curable epoxy resin.
4. The electrode sheet of claim 1, wherein the conductive connector (1153) comprises a first conductive connector and a second conductive connector spaced apart from the electrode sheet (115).
5. Electrode sheet according to any one of claims 1 to 4, characterized in that the electrically conductive connector (1153) is formed as a metal bolt, the head of which abuts against the electrically conductive sheet (1156), the shank of which passes through the insulating holder (1154), the end of the shank remote from the head being formed as the electrical connection terminal (1155).
6. The electrode sheet according to claim 5, characterized in that the insulating base (1154) is formed with a threaded hole corresponding to the metal bolt, the metal bolt can be screwed to adjust the position of the head, and the side of the blocking medium plate (1151) away from the conductive plate (1156) is parallel to the bottom surface of the mounting groove by adjusting the position of the head.
7. An electrode plate, characterized in that the electrode plate (113) comprises an insulating plate (1131), a plurality of electrode tabs (115) according to any one of claims 1 to 6 arranged at intervals on a first side of the insulating plate (1131), and an electrical connection tab (1136) interconnecting the individual electrode tabs (115), wherein an electrical connection terminal (1155) of the electrode tabs (115) extends through the insulating plate (1131) and out of a second side of the insulating plate (1131).
8. The electrode plate of claim 7, characterized in that the electrode plate (113) comprises a conductive nut (1133) and an insulating cover (1132), the conductive nut (1133) being screwed to the electrical connection terminal (1155) and fixing the electrical connection pad (1136) to the electrical connection terminal (1155), the insulating cover (1132) covering the portion of the electrical connection terminal (1155) protruding out of the conductive nut (1133).
9. The electrode plate of claim 8,
the first side of the insulating plate (1131) is formed with a plurality of receiving grooves corresponding to the plurality of electrode tabs (115), and the bottom of each receiving groove is formed with a through hole corresponding to the electrical connection terminal (1155), the electrode tabs (115) being mounted in the receiving grooves such that the electrical connection terminals (1155) extend through the through holes; and/or
And a flange (1135) protruding out of the insulation cover (1132) is formed on the periphery of the second side of the insulation plate (1131).
10. The electrode plate of any one of claims 7-9,
the insulating seat (1154) is integrated with the insulating plate (1131); and/or
The electrode plate (113) comprises a metal connecting sheet (1137), and one end of the metal connecting sheet (1137) is connected with the electric connecting sheet (1136).
11. An electrode block, characterized in that the electrode block (11) comprises a first electrode plate and a second electrode plate, the first electrode plate and the second electrode plate being the electrode plate (113) according to any one of claims 7-10, the second side of the first electrode plate abutting the second side of the second electrode plate.
12. The electrode block of claim 11,
the first electrode plate and the second electrode plate are fixed together by a plurality of fasteners arranged at intervals along the periphery thereof; and/or
The electrode block (11) comprises a conductive coupler (114) which is connected with the other end of the metal connecting sheet (1137) of the first electrode plate and the other end of the metal connecting sheet (1137) of the second electrode plate.
13. The electrode block according to claim 12, wherein the flange (1135) of the first electrode plate and the flange (1135) of the second electrode plate are formed with relief openings (1134), the conductive coupler (114) extends through the relief openings (1134) to an exterior of the electrode block, the electrode block (11) further comprising an insulating fixing ring (1141) for fixing the conductive coupler (114).
14. The electrode block according to any one of claims 11 to 13, wherein the flange (1135) of the first electrode plate abuts against the flange (1135) of the second electrode plate, and the flange (1135) of the first electrode plate and the flange (1135) of the second electrode plate are respectively formed with mounting holes (1138) corresponding to each other, and fastening bolts penetrating through the mounting holes (1138) of the first electrode plate and the mounting holes (1138) of the second electrode plate fix the first electrode plate and the second electrode plate together.
15. The electrode block according to claim 14, characterized in that the mounting hole (1138) of the first electrode plate and/or the mounting hole (1138) of the second electrode plate is formed with a counter bore.
16. A plasma generator (1), characterized in that the plasma generator (1) comprises: the electrode comprises a shell (13), a support frame (12) arranged inside the shell (13) and a plurality of electrode blocks (11) arranged on the support frame (12) according to any one of claims 11 to 15, wherein the plurality of electrode blocks (11) comprise high-voltage electrode blocks (111) and low-voltage electrode blocks (112) which are arranged at intervals along the width direction of the shell (13).
17. The plasma generator according to claim 16, wherein the plasma generator (1) comprises an upper electrode block layer, a lower electrode block layer, and a ground line provided between the upper electrode block layer and the lower electrode block layer, the ground line connecting each of the low voltage electrode blocks (112), the upper portion of the housing (13) is provided with a first high voltage connection plate (14) connecting each of the high voltage electrode blocks (111) of the upper electrode block layer, and the lower portion of the housing (13) is provided with a second high voltage connection plate (15) connecting each of the high voltage electrode plates (111) of the lower electrode block layer.
18. The plasma generator of claim 17,
the conductive coupler (114) of the high voltage electrode block (111) is arranged toward the corresponding first high voltage connection plate (14) or the second high voltage connection plate (15), and the conductive coupler (114) of the low voltage electrode block (112) is arranged toward the ground line; and/or
The support frame (12) comprises a middle support plate (121), side guard plates (124, 125) arranged at two ends of the middle support plate (121), an upper guard plate (122) and a lower guard plate (123), wherein a plurality of electrode block mounting grooves (126) which are correspondingly arranged with the plurality of electrode blocks (11) are respectively formed on the middle supporting plate (121), the upper protection plate (122) and the lower protection plate (123), the grounding wire is integrated with the middle support plate (121) and is provided with a grounding connection port (127) at a position corresponding to the low-voltage electrode block (112), an upper high-voltage connecting port (129) corresponding to the high-voltage electrode block (111) of the upper electrode block layer is formed on the upper protective plate (122), and a lower high-voltage connecting port corresponding to the high-voltage electrode block (111) of the lower electrode block layer is formed on the lower protection plate (123).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811326823.8A CN111163578B (en) | 2018-11-08 | 2018-11-08 | Electrode sheet, electrode plate, electrode block and plasma generator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811326823.8A CN111163578B (en) | 2018-11-08 | 2018-11-08 | Electrode sheet, electrode plate, electrode block and plasma generator |
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| CN111163578B CN111163578B (en) | 2022-09-09 |
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| CN111163578B (en) | 2022-09-09 |
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