CN108260270B - Rotatable atmospheric pressure plasma discharge device - Google Patents
Rotatable atmospheric pressure plasma discharge device Download PDFInfo
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- CN108260270B CN108260270B CN201810217593.5A CN201810217593A CN108260270B CN 108260270 B CN108260270 B CN 108260270B CN 201810217593 A CN201810217593 A CN 201810217593A CN 108260270 B CN108260270 B CN 108260270B
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- 239000000725 suspension Substances 0.000 claims abstract description 9
- 239000011810 insulating material Substances 0.000 claims description 16
- 239000000919 ceramic Substances 0.000 claims description 13
- 239000012533 medium component Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- -1 polytetrafluoroethylene Polymers 0.000 claims description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 7
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 239000010453 quartz Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 239000000645 desinfectant Substances 0.000 abstract description 2
- 235000012055 fruits and vegetables Nutrition 0.000 abstract description 2
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000004659 sterilization and disinfection Methods 0.000 description 6
- 230000001954 sterilising effect Effects 0.000 description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
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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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Abstract
The utility model provides a rotatable atmospheric pressure plasma discharge device, links to each other through the connecting rod between the bottom of two style of calligraphy frames of falling, and the upper end of two style of calligraphy frames of falling is connected, and the junction of two style of calligraphy frames upper ends of falling is equipped with the through-hole respectively, pegs graft the rotation axis between two through-holes, and outside the both ends of rotation axis extended to the through-hole respectively, the one end of rotation axis linked to each other with the motor, the other end fixed connection handle of buckling of rotation axis. Cup joint two dielectric blocks B on the rotation axis, a set of dead lever that is parallel to each other of two dielectric block B's outside difference fixed connection, at the lower extreme fixed connection suspension lug of dead lever, hang the outside at dielectric block A of ear-fixing, hang and be equipped with the through-hole on the ear. The invention has the advantages of various types of objects which can be processed, simple and reasonable structure, convenient and efficient use, good heat dissipation performance and long service life; the residue of the currently used chemical disinfectant on the surfaces of fruits and vegetables can be effectively reduced, and the environment is protected; the work operation is stable, can adjust by oneself according to different needs, and the adjustability is splendid.
Description
Technical Field
The present invention relates to a discharge device, and more particularly, to an atmospheric pressure plasma discharge device.
Background
The atmospheric pressure low-temperature edge plasma can generate uniform edge plasma on the surface of the film, and plays a good role in sterilization. It is known that the sterilization efficiency of plasma depends on the treatment time and the contact area of the sterilization object with the plasma under the same electrical parameters. How to prolong the processing time of the plasma as far as possible under the condition of a short linear distance and increase the contact area of the plasma and a sterilization object is always a difficult point of research.
Disclosure of Invention
The invention aims to provide a rotatable atmospheric pressure plasma discharge device which can prolong the time of treating irregular objects by plasma as far as possible under the condition of a short linear distance and increase the contact area between the surface plasma and the irregular objects so as to improve the sterilization and disinfection efficiency.
The invention mainly comprises a medium tube A, a medium sheet, a connecting sheet, a medium block B, a medium block A, a conductive electrode, a medium tube B, a fixed rod, an extension bar, a rotating shaft, a bending handle, a motor, an inverted door-shaped frame, a lead A, a lead B, a connecting rod and a suspension lug.
Wherein, link to each other through a set of connecting rod that is parallel to each other between the bottom of two style of calligraphy frames of falling, the upper end of two style of calligraphy frames of falling is connected, and the junction of two style of calligraphy frames of falling upper end is equipped with the through-hole respectively, pegs graft the rotation axis between two through-holes, and outside the both ends of rotation axis extended to the through-hole respectively, the one end of rotation axis linked to each other with the motor, the other end fixed connection handle of buckling of rotation axis. Cup joint two medium blocks B on medium pipe A, a set of dead lever that is parallel to each other of two medium block B's outside difference fixed connection, the dead lever is the hollow cylindrical casing of upper end open-ended, be equipped with the corresponding through-hole in a plurality of groups position at the outer wall of dead lever, the extension bar is pegged graft in the inside of dead lever, be equipped with the corresponding through-hole in a plurality of groups position on the extension bar, the through-hole on the extension bar is corresponding with the through-hole on the dead lever, the dead lever passes through the bolt with the extension bar and. The lower end of the fixed rod is fixedly connected with a suspension lug which is fixed outside the medium block A, and a through hole is arranged on the suspension lug. The medium tube A is a hollow cylindrical shell with two open ends, the medium tube B is a cylindrical hollow shell with one open end and one closed end, a conductive electrode is inserted in the medium tube B, one end of the conductive electrode is connected with the closed end of the medium tube B, the other end of the conductive electrode extends to the outside of the open end of the medium tube B, penetrates through a through hole of the medium sheet and is fixed on the connecting plate. The medium tube B and the conductive electrode form an electrode kit. A plurality of conductive electrodes and electrode kits are arranged inside the medium tube A, and the conductive electrodes and the electrode kits are arranged at intervals and are different in length. The medium pipe A is provided with medium components at openings at two sides, the medium block A, the medium block B and the connecting sheet are connected with the medium sheet in a threaded manner, and the medium components are formed by the medium block A, the medium block B, the connecting sheet and the medium sheet. The medium block A is connected with the medium block B through internal threads, and the medium block A is fixed on the outer wall of the medium pipe A. The connecting sheet is arranged between the dielectric block B and the dielectric sheet, the connecting sheet connects the conductive electrode and the conductive electrode in the electrode kit together, the electrodes on the two connecting sheets are respectively conducted with each other, and the side surfaces of the two connecting sheets are respectively led out of the lead A and the lead B and are respectively connected with the high-voltage power supply and the ground.
Two medium pieces are the annular plate, have a plurality of through-hole and a plurality of blind hole along the circumferencial direction on the medium piece, and the quantity of through-hole equals and corresponds with the medium pipe B quantity that extends to medium pipe A one side outside on the medium piece. The number of the conductive electrodes on one side of the dielectric tube A, which are adjacent to the electrode sleeve, is consistent with that of the blind holes on the dielectric sheet. The inner side of the medium sheet is provided with a screw hole. The positions of the through holes and the blind holes on the two dielectric sheets are opposite.
The connecting sheet is a circular ring-shaped plate, a plurality of through holes are formed in the connecting sheet in the circumferential direction, the number of the through holes in the connecting sheet is equal to that of the medium tubes B distributed in the medium tubes A, the electrodes on the connecting sheet are mutually communicated, and a lead is led out from the connecting sheet to the side face and is connected with a high-voltage power supply or the ground. The inner side of the connecting piece is provided with a screw hole, and the size and the position of the screw hole correspond to those of the screw hole on the inner side of the medium piece.
The medium body B is the both ends open-ended column, and medium body B has a plurality of blind hole along the circumferencial direction, and medium body B's blind hole equals with the medium pipe B quantity of arranging in medium pipe A, and medium body B's one end sets up the screw thread, and medium body B's one end is passed through the screw thread and is linked to each other with medium piece A. The medium block B, the connecting sheet and the medium sheet are connected by a screw. And a through hole is formed in the side face of the dielectric block B, and the aperture of the through hole is the same as the outer diameters of the lead A and the lead B.
And the side surface of the dielectric block A is provided with a through hole, and the through hole on the side surface of the dielectric block A corresponds to the through hole on the side surface of the dielectric block B in position.
Preferably, the medium pipe a is made of an insulating material, and the insulating material is quartz or ceramic.
Preferably, the dielectric tube B is made of an insulating material, and the insulating material is quartz or ceramic.
Preferably, the dielectric block a and the dielectric block B are made of insulating materials, and the insulating materials are made of ceramics, or polytetrafluoroethylene, or nylon.
Preferably, the dielectric sheet is made of an insulating material, and the insulating material is made of ceramic, polytetrafluoroethylene or nylon.
Preferably, the connecting sheet is made of a conductor material, and the conductor material is a PCB (printed circuit board), or a copper plate, or an aluminum plate.
Preferably, the conductive electrode is made of a conductive metal material.
Preferably, the high-voltage power supply is an alternating-current power supply with a voltage peak value regulation range of not 0-50 KV and a frequency regulation range of 1-50 KHz; or the pulse power supply has a voltage peak value adjusting range of 0-20 KV and a frequency adjusting range of 1-30 KHz.
When the plasma tube A is used, an article to be processed is placed into the cavity of the medium tube A from one end, the length of the other end fixing rod is adjusted until the article can slowly roll downwards by virtue of gravity, the high-voltage power supply is started, the motor is started at the same time, the plasma generator is driven by the fixing rod to rotate around the rotating shaft, the article to be processed is waited to move to the other end of the medium tube A, the high-voltage power supply and the motor are turned off, and the article to be processed is taken out from the lower side.
The length, the aperture and the distance of the medium pipe A, B, the selected material, the voltage, the frequency and the discharge time of the high-voltage power supply, the rotating speed of the electrode and the length of the fixed rod are all used as parameters, and the treatment effect can be changed by changing the parameters.
Compared with the prior art, the invention has the following advantages:
1. the processed article can slowly move to the lower position by the self gravity.
2. The plasma generator can rotate for up to 360 degrees around the rotating shaft, and the object to be processed presents a spiral advancing mode in the pipe;
3. the disposable article has various types, is not limited by the shape, and has good adaptability to the post-harvest sterilization of the round fruits.
4. The structure is simple and reasonable, the use is convenient and efficient, the heat dissipation performance is good, and the service life is long;
5. the residue of the currently used chemical disinfectant on the surfaces of fruits and vegetables can be effectively reduced, and the environment is protected;
6. the work operation is stable, can adjust by oneself according to different needs, and the adjustability is splendid, has wide application prospect.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of a media tube A of the present invention;
FIG. 3 is a schematic, diagrammatic view of a media sheet of the present invention;
FIG. 4 is a schematic diagram of a strap of the present invention;
FIG. 5 is a schematic diagram of a dielectric block B of the present invention;
FIG. 6 is a schematic diagram of a dielectric block A of the present invention;
fig. 7 is a schematic diagram of the fixing rod and the extension rod of the present invention.
In the figure, 1-medium tube A, 2-medium sheet, 3-connecting sheet, 4-medium block B, 5-medium block A, 6-conductive electrode, 7-medium tube B, 8-fixed rod, 9-rotating shaft, 10-bending handle, 11-motor, 12-inverted door-shaped frame, 13-lead A, 14-lead B, 15-connecting rod, 16-suspension ear, 17-extension rod and 18-bolt.
Detailed Description
Example 1
In the schematic diagrams of the present invention shown in fig. 1 to 7, the bottoms of two inverted portal frames 12 are connected by a set of parallel connecting rods 15, the upper ends of the two inverted portal frames are connected, the connecting positions of the upper ends of the two inverted portal frames are respectively provided with a through hole, a rotating shaft 9 is inserted between the two through holes, the two ends of the rotating shaft respectively extend out of the through holes, one end of the rotating shaft is connected with a motor 11, and the other end of the rotating shaft is fixedly connected with a bending handle 10. Cup joint two dielectric blocks B4 on dielectric tube A, a set of dead lever 8 that is parallel to each other of two dielectric block B's outside difference fixed connection, the dead lever is the cylindrical casing of upper end open-ended cavity, is equipped with the through-hole at the outer wall of dead lever, at the inside grafting extension bar 17 of dead lever, is equipped with the through-hole on the extension bar, and the through-hole on the extension bar is corresponding with the through-hole on the dead lever, and the dead lever passes through bolt 18 with the extension bar and fixes. One fixed rod is 0.9cm wide and 30cm long, the other fixed rod is 0.9cm wide and 32cm long, and the rotating shaft is 60cm long and 3cm in diameter. At the lower end of the fixed rod is fixedly attached a suspension lug 16 which is fixed to the outside of the media block a 5. The medium pipe A1 is a hollow cylindrical shell with two open ends, the length of the medium pipe A is 50cm, the wall thickness is 1cm, and the inner diameter is 4 cm. The medium tube B7 is a cylindrical hollow shell with an opening at one end and a closed end, the length of the medium tube B is 50cm, the inner diameter is 8mm, the wall thickness is 1mm, the conductive electrode 6 is inserted in the medium tube B, the conductive electrode is made of a tungsten rod, the length of the tungsten rod is 55cm, the thickness of the tungsten rod is 0.75mm, one end of the conductive electrode is connected with the closed end of the medium tube B, the other end of the conductive electrode extends to the outside of the opening end of the medium tube B, and the conductive electrode penetrates through a through hole of a medium sheet and is fixed on the connecting plate. The medium tube B and the conductive electrode form an electrode kit. A plurality of conductive electrodes and electrode kits are arranged inside the medium tube A, and the conductive electrodes and the electrode kits are arranged at intervals and are different in length. The medium pipe A is provided with medium components at openings at two sides, the medium block A5, the medium block B4 and the connecting sheet 3 are in threaded connection with the medium sheet 2, and the medium components are formed by the medium block A, the medium block B, the connecting sheet and the medium sheet. The medium block A is connected with the medium block B through internal threads, and the inner diameter of the thread section of the medium block A is 4cm, and the outer diameter of the thread section of the medium block A is 7cm and is a hollow cylinder with the length of 3 cm. The medium block A is fixed on the outer wall of the medium pipe A.
The connecting sheet is arranged between the dielectric block B and the dielectric sheet, the connecting sheet connects the conductive electrode in the electrode sleeve with the conductive electrode 6, the electrodes on the two connecting sheets are mutually conducted, and the side surfaces of the two connecting sheets are respectively led out with a lead A13 and a lead B14 which are respectively connected with a high-voltage power supply and the ground.
The two medium sheets are circular ring-shaped plates, the medium sheets are ceramic circular ring-shaped sheets with the outer diameter of 4cm, the inner diameter of 2cm and the thickness of 1cm, through holes and blind holes are formed in the medium sheets along the circumferential direction, the number of the through holes in the medium sheets is equal to and corresponding to the number of the medium tubes B extending to the outside of one side of the medium tube A, and the diameter and the depth of each through hole are 1cm and 1 cm. The number of the conductive electrodes adjacent to the electrode sleeve on one side of the medium tube A is consistent with that of the blind holes on one side of the medium sheet, and the diameter and the depth of each blind hole are 1cm and 0.5cm respectively. The inboard 4 screw holes that are 1mm of diameter that are equipped with of medium piece. The positions of the through holes and the blind holes on the two dielectric sheets are opposite.
The connecting piece has an outer diameter of 4cm, an inner diameter of 2cm and a thickness of 1cm, a plurality of through holes are formed in the connecting piece in the circumferential direction, the number of the through holes in the connecting piece is equal to that of the medium tubes B arranged in the medium tubes A, the electrodes on the connecting piece are mutually communicated, and a lead is led out from the connecting piece to the side and is connected with a high-voltage power supply or the ground. The connection piece inboard is equipped with 4 screw holes, and the size, the position of screw hole correspond with the medium piece.
The medium body B is a column with two open ends, the medium body B is provided with a blind hole along the circumferential direction, the number of the blind holes of the medium body B is equal to that of the medium tubes B arranged in the medium tubes A, the diameter of the aperture of each blind hole is 8mm, the depth of each blind hole is 1cm, one end of the medium body B is provided with a thread, and one end of the medium body B is connected with the medium block A through the thread. The medium block B, the connecting sheet and the medium sheet are connected by a screw. And the side surface of the medium block B is provided with a through hole, and the length and the width of the through hole are 7mm and 5mm respectively.
The side surface of the dielectric block A is provided with a through hole with the diameter of 1cm, and the through hole on the side surface of the dielectric block A corresponds to the through hole on the side surface of the dielectric block B in position. The medium body A is a cylinder with an inner diameter of 7cm, an outer diameter of 9cm and a length of 9 cm.
The dielectric tube A is made of quartz materials, the dielectric tube B is made of quartz materials, the dielectric block A and the dielectric block B are made of ceramics, the dielectric sheet is made of ceramics, the connecting sheet is made of a PCB, and the conductive electrode is made of conductive metal materials.
Example 2
In the schematic diagrams of the present invention shown in fig. 1 to 7, the bottoms of two inverted portal frames 12 are connected by a set of parallel connecting rods 15, the upper ends of the two inverted portal frames are connected, the connecting positions of the upper ends of the two inverted portal frames are respectively provided with a through hole, a rotating shaft 9 is inserted between the two through holes, the two ends of the rotating shaft respectively extend out of the through holes, one end of the rotating shaft is connected with a motor 11, and the other end of the rotating shaft is fixedly connected with a bending handle 10. Cup joint two dielectric blocks B4 on dielectric tube A, a set of dead lever 8 that is parallel to each other of two dielectric block B's outside difference fixed connection, the dead lever is the cylindrical casing of upper end open-ended cavity, is equipped with the through-hole at the outer wall of dead lever, at the inside grafting extension bar 17 of dead lever, is equipped with the through-hole on the extension bar, and the through-hole on the extension bar is corresponding with the through-hole on the dead lever, and the dead lever passes through bolt 18 with the extension bar and fixes. One fixing rod is 0.67cm wide and 17cm long, the other fixing rod is 0.67cm wide and 14cm long, and the rotating shaft is 40cm long and 1cm in diameter. At the lower end of the fixed rod is fixedly attached a suspension lug 16 which is fixed to the outside of the media block a 5. The medium pipe A1 is a hollow cylindrical shell with two open ends, and the medium body A has an inner diameter of 3cm, an outer diameter of 4cm and a length of 9 cm. The medium tube B7 is a cylindrical hollow shell with an opening at one end and a closed end, the length of the medium tube B is 30cm, the inner diameter is 5mm, the wall thickness is 0.1mm, the conductive electrode 6 is inserted in the medium tube B, the conductive electrode is made of a copper bar, the length of the copper bar is 33cm, the thickness of the copper bar is 4.97mm, one end of the conductive electrode is connected with the closed end of the medium tube B, the other end of the conductive electrode extends to the outside of the opening end of the medium tube B, and the conductive electrode penetrates through a through hole of a medium sheet and is fixed on the connecting plate. The medium tube B and the conductive electrode form an electrode kit. A plurality of medium tubes B and electrode kits are arranged in the medium tube A, and the medium tubes B and the electrode kits are arranged at intervals. The medium pipe A is provided with medium components at openings at two sides, the medium block A5, the medium block B4 and the connecting sheet 3 are in threaded connection with the medium sheet 2, and the medium components are formed by the medium block A, the medium block B, the connecting sheet and the medium sheet. The medium block A is connected with the medium block B through internal threads, and the inner diameter of the thread section of the medium block A is 2cm, the outer diameter of the thread section of the medium block A is 3cm, and the length of the thread section of the medium block A is 3 cm. The medium block A is fixed on the outer wall of the medium pipe A.
The connecting pieces are arranged between the dielectric block B and the dielectric sheet, the connecting pieces are used for connecting the conductive electrodes in the electrode sleeve with the conductive electrodes 6, the electrodes on the two connecting pieces are respectively conducted with each other, and the side surfaces of the two connecting pieces are respectively led out of a lead A13 and a lead B14 and are respectively connected with a high-voltage power supply and the ground.
The two medium sheets are circular ring-shaped plates, the medium sheets are made of polytetrafluoroethylene with the outer diameter of 5cm, the inner diameter of 4cm and the thickness of 3cm, through holes and blind holes are formed in the medium sheets along the circumferential direction, the number of the through holes in the medium sheets is equal to and corresponding to the number of the medium tubes B extending to the outside of one side of the medium tube A, the diameter of each through hole is 8mm, and the depth of each through hole is 3 cm. The number of the conductive electrodes adjacent to the electrode sleeve on one side of the medium tube A is consistent with that of the blind holes on one side of the medium sheet, the diameter of each blind hole is 8mm, and the depth of each blind hole is 1.5 cm. The inboard 4 screw holes that are 2mm of diameter that are equipped with of medium piece. The positions of the through holes and the blind holes on the two dielectric sheets are opposite.
The connecting piece is a circular ring-shaped plate of the PCB, the outer diameter of the connecting piece is 5cm, the inner diameter of the connecting piece is 4cm, the thickness of the connecting piece is 1cm, a plurality of through holes are formed in the connecting piece in the circumferential direction, the number of the through holes in the connecting piece is equal to that of the medium tubes B distributed in the medium tubes A, all electrodes on the connecting piece are mutually conducted, and a lead is led out from the connecting piece to the side face and is connected with a high-voltage power supply or. The connection piece inboard is equipped with 4 screw holes, and the size, the position of screw hole correspond with the medium piece.
The medium body B is a column with two open ends, the medium body B is provided with a blind hole along the circumferential direction, the number of the blind holes of the medium body B is equal to that of the medium tubes B arranged in the medium tubes A, the diameter of the aperture of each blind hole is 5mm, the depth of each blind hole is 1cm, one end of the medium body B is provided with a thread, and one end of the medium body B is connected with the medium block A through the thread. The medium block B, the connecting sheet and the medium sheet are connected by a screw. And a through hole is formed in the side surface of the dielectric block B, and the diameter of the through hole is 5 mm.
The side surface of the dielectric block A is provided with a through hole with the diameter of 1cm, and the through hole on the side surface of the dielectric block A corresponds to the through hole on the side surface of the dielectric block B in position. The medium body A is a cylinder with an inner diameter of 7cm, an outer diameter of 9cm and a length of 9 cm.
The medium tube A is made of ceramics, the medium tube B is made of ceramics, the medium block A and the medium block B are made of polytetrafluoroethylene, the medium sheet is made of polytetrafluoroethylene, the connecting sheet is made of a copper plate, and the conductive electrode is made of a conductive metal material.
Claims (6)
1. The utility model provides a rotatable atmospheric pressure plasma discharge device, mainly includes medium pipe A, medium piece, connection piece, medium piece B, medium piece A, conductive electrode, medium pipe B, dead lever, extension bar, rotation axis, the handle of buckling, motor, fall a style of calligraphy frame, wire A, wire B, connecting rod and suspension ear, its characterized in that: the bottom parts of the two inverted door-shaped frames are connected through a group of connecting rods which are parallel to each other, the upper ends of the two inverted door-shaped frames are connected, through holes are respectively arranged at the connecting parts of the upper ends of the two inverted door-shaped frames, a rotating shaft is inserted between the two through holes, the two ends of the rotating shaft respectively extend out of the through holes, one end of the rotating shaft is connected with a motor, the other end of the rotating shaft is fixedly connected with a bending handle, two medium blocks B are sleeved on a medium pipe A, the fixing rod is a hollow cylindrical shell with an opening at the upper end, through holes with corresponding positions are arranged on the outer wall of the fixing rod, an extension rod is inserted in the fixing rod, through holes with corresponding positions are arranged on the extension rod, the through holes on the extension rod correspond to the through holes on the fixing rod, the fixing rod and the extension, the suspension lug is provided with a through hole, the medium tube A is a hollow cylindrical shell with two open ends, the medium tube B is a cylindrical hollow shell with one open end and one closed end, a conductive electrode is inserted in the medium tube B, one end of the conductive electrode is connected with the closed end of the medium tube B, the other end of the conductive electrode extends to the outside of the open end of the medium tube B, the conductive electrode penetrates through the through hole of the medium sheet and is fixed on the connecting sheet, the medium tube B and the conductive electrode form an electrode kit, the conductive electrode and the medium tube B are arranged in the medium tube A, the electrode kit and the bare electrode are arranged at intervals and have different lengths, the medium tube A is provided with medium components at the openings at two sides, the medium block A, the medium block B and the connecting sheet are connected with the medium sheet in a threaded manner, the medium block A, the medium block B, the connecting sheet and the medium sheet form a medium component, the medium block A is fixed on the outer wall of the medium pipe A, the connecting sheet is arranged between the medium block B and the medium sheet, the connecting sheet connects the conductive electrodes in the electrode sleeve with the conductive electrodes, the conductive electrodes on the two connecting sheets are respectively conducted with each other, the side surfaces of the two connecting sheets are respectively led out of the lead A and the lead B, and the lead A and the lead B are respectively connected with the high-voltage power supply and the ground through the reserved opening on the medium block B.
2. A rotatable atmospheric-pressure plasma discharge device as recited in claim 1, wherein: the two medium sheets are circular ring-shaped plates, through holes and blind holes are formed in the medium sheets in the circumferential direction, the number of the through holes in the medium sheets is equal to and corresponds to the number of the medium tubes B extending to the outside of one side of the medium tube A, the number of the conductive electrodes adjacent to the electrode sleeve on one side of the medium tube A is equal to the number of the blind holes in the medium sheets, screw holes are formed in the inner sides of the medium sheets, and the positions of the through holes and the blind holes in the two medium sheets are opposite.
3. A rotatable atmospheric-pressure plasma discharge device as recited in claim 1, wherein: the connecting sheet is a circular ring-shaped plate, through holes are formed in the connecting sheet in the circumferential direction, the number of the through holes in the connecting sheet is equal to that of the medium tubes B distributed in the medium tubes A, the electrodes on the connecting sheet are mutually communicated, a lead is led out of the connecting sheet to the side face and is connected with a high-voltage power supply or the ground, screw holes are formed in the inner side of the connecting sheet, and the size and the position of each screw hole correspond to those of the screw holes in the inner side of the medium sheet.
4. A rotatable atmospheric-pressure plasma discharge device as recited in claim 1, wherein: the medium block B is a column with two open ends, the medium block B is provided with blind holes along the circumferential direction, the number of the blind holes of the medium block B is equal to that of the medium tubes B arranged in the medium tubes A, one end of the medium block B is provided with threads, one end of the medium block B is connected with the medium block A through the threads, the medium block B and the connecting piece are connected with the medium piece through screws, the side face of the medium block B is provided with a through hole, and the aperture of the through hole is the same as the outer diameters of the lead A and the lead B.
5. A rotatable atmospheric-pressure plasma discharge device as recited in claim 1, wherein: and the side surface of the dielectric block A is provided with a through hole, and the through hole on the side surface of the dielectric block A corresponds to the through hole on the side surface of the dielectric block B in position.
6. A rotatable atmospheric-pressure plasma discharge device as recited in claim 1, wherein: the medium tube A is made of an insulating material, and the insulating material is quartz or ceramic; the medium tube B is made of an insulating material, and the insulating material is quartz or ceramic; the dielectric block A and the dielectric block B are made of insulating materials, and the insulating materials are ceramic, polytetrafluoroethylene or nylon; the dielectric sheet is made of insulating materials, and the insulating materials are ceramics, polytetrafluoroethylene or nylon; the connecting sheet is made of a conductor material, and the conductor material is a PCB (printed Circuit Board), a copper plate or an aluminum plate; the conductive electrode is made of conductive metal material; the high-voltage power supply is an alternating current power supply with a voltage peak value adjusting range of 0-50 KV and a frequency adjusting range of 1-50 KHz; or the pulse power supply has a voltage peak value adjusting range of 0-20 KV and a frequency adjusting range of 1-30 KHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810217593.5A CN108260270B (en) | 2018-03-16 | 2018-03-16 | Rotatable atmospheric pressure plasma discharge device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810217593.5A CN108260270B (en) | 2018-03-16 | 2018-03-16 | Rotatable atmospheric pressure plasma discharge device |
Publications (2)
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| CN112931761B (en) * | 2021-04-20 | 2023-06-02 | 山东大学 | Tea pesticide residue degradation and disinfection device and method based on atmospheric pressure cold plasma |
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