CN110430652A - A kind of portable homogeneous plasma creeping discharge device - Google Patents
A kind of portable homogeneous plasma creeping discharge device Download PDFInfo
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- CN110430652A CN110430652A CN201910713370.2A CN201910713370A CN110430652A CN 110430652 A CN110430652 A CN 110430652A CN 201910713370 A CN201910713370 A CN 201910713370A CN 110430652 A CN110430652 A CN 110430652A
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- 238000003825 pressing Methods 0.000 claims abstract description 26
- 230000004888 barrier function Effects 0.000 claims abstract description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000011889 copper foil Substances 0.000 claims abstract description 7
- 210000005036 nerve Anatomy 0.000 claims abstract description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 14
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 10
- -1 polytetrafluoroethylene Polymers 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims 1
- 239000010949 copper Substances 0.000 claims 1
- 239000011888 foil Substances 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 239000002245 particle Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 239000003822 epoxy resin Substances 0.000 description 6
- 238000010304 firing Methods 0.000 description 6
- 229920000647 polyepoxide Polymers 0.000 description 6
- 230000005495 cold plasma Effects 0.000 description 5
- 238000000295 emission spectrum Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004831 Hot glue Substances 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000011005 laboratory method Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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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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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Plasma Technology (AREA)
Abstract
The present invention provides a kind of portable homogeneous plasma creeping discharge devices, it is intended to improve job stability, the safety of creeping discharge device, reduce small product size.The dielectric barrier discharge structure of the creeping discharge device is set in turn in circular base using grid type ground electrode, dielectric-slab, annular pressing ring along axial direction, grid type ground electrode is placed on the circular table in circular base, the front nerve of a covering lattice ground electrode of dielectric-slab, the back side, which is posted, double leads copper foil tape as high-field electrode；Annular pressing ring and rear cover overall package are at the back side of dielectric-slab and high-field electrode, and wherein rear cover compresses the high-field electrode for being connected to conducting wire；After cover and be provided with wiring hole, for the conducting wire of high-field electrode to be drawn.Structure of the invention is compact, installation is reliable, ensure that job stability；And the touching of user's mistake or the contact with end face can effectively be avoided to cause electric shock or short circuit, safety is improved, is also beneficial to continually and steadily work.
Description
Technical field
The present invention relates to a kind of atmosphere cold plasma creeping discharge devices.
Background technique
Plasma can be divided into thermal equilibrium plasma and nonthermal plasma.In thermal equilibrium plasma, electronics
With heavy particle (neutral particle and ion) temperature having the same, the temperature of macroscopical gas is about thousands of to more than 10,000 Kelvins
(K).On the other hand, in nonthermal plasma, the temperature difference of electronics, ion and neutral particle is very big, it is generally the case that
The temperature of electronics is more much higher than other particles, and the temperature of plasma depends on the temperature of heavy particle, and the temperature of heavy particle connects
It is bordering on room temperature, so this kind of plasma is also referred to as cold plasma, because it can produce under atmospheric pressure, also referred to as greatly
Air pressure cold plasma (CAP).
Cold plasma is because of its mass temperature close to room temperature, in laboratory, preparation is easy, does not injure to human body, production of discharging
Raw active particle, which can be catalyzed the advantages such as most reactions, becomes the application fields such as biomedicine, pollution processing, chip manufacture
Research hotspot.From laboratory technique to practical application, how the stable plasma that safely generates is urgently to be solved at present asks
One of topic.Laboratory generallys use creeping discharge, sliding arc discharge and jet stream electric discharge device to generate plasma, and current
Creeping discharge equipment be mostly laboratory research equipment, since volume is larger, and by the high voltage power supply in laboratory power,
Substantially it can only be discharged and be applied in laboratory, limited by various aspects.
The plasma clean sterilizing equipment decontaminating apparatus that occurs on the market of the country or ozone generator all use creeping discharge, volume compared with
Greatly, the core of creeping discharge device --- dielectric barrier discharge structure is fixed usually using hot melt adhesive, but hot melt adhesive easily quilt
Plasma oxidation is to fall off；And high-field electrode is exposed is easy to produce corona discharge or electric shock outside.Correspondingly, medium hinders
Gear discharging structure takes up space also larger.
In addition, it is necessary to which 220V Alternating Current Power Supply, needs to carry out electric wire connection in working region.
So current atmosphere cold plasma creeping discharge device job stability, safety and portability side
Face is inadequate, the plasma that creeping discharge generates it is inconvenient directly using or studied.
Summary of the invention
The object of the present invention is to provide a kind of portable homogeneous plasma creeping discharge devices, it is intended to improve creeping discharge
The job stability of device, safety reduce small product size.
Solution of the invention is as follows:
A kind of portable homogeneous plasma creeping discharge device, including power-supply system and dielectric barrier discharge structure,
In: high voltage, power-supply system and dielectric barrier discharge structure needed for power-supply system provides electric discharge for dielectric barrier discharge structure
Overall package；The dielectric barrier discharge structure include circular base, grid type ground electrode, dielectric-slab, annular pressing ring and after
Lid；
The circular base is along two sections of different ring-shaped cylinders of internal diameter are divided axially into, so that the inside bottom shape of circular base
Table top is circularized, remembers that the ring-shaped cylinder of circular table or more is A sections of ring-shaped cylinders, circular table ring-shaped cylinder below is B sections
Ring-shaped cylinder, the A sections of ring-shaped cylinder have internal screw thread；
The grid type ground electrode, dielectric-slab, annular pressing ring are set in turn in circular base along axial direction, wherein the net
The radial dimension of lattice ground electrode and dielectric-slab is all larger than the internal diameter of the circular table, and grid type ground electrode is placed on the ring
On shape table top, the front nerve of a covering lattice ground electrode of dielectric-slab, the back side of dielectric-slab, which is posted, double leads copper foil tape as high-voltage electricity
Pole；The annular pressing ring has internal screw thread and external screw thread, the outer diameter and external screw thread of annular pressing ring and the internal diameter of A sections of ring-shaped cylinders
And internal screw thread is adapted, the internal diameter and internal screw thread of annular pressing ring are adapted with the diameter of rear cover and external screw thread, annular pressure
Circle and rear cover overall package are at the back side of dielectric-slab and high-field electrode, and wherein rear cover compresses the high-voltage electricity for being connected to conducting wire
Pole；After cover and be provided with wiring hole, for the conducting wire of high-field electrode to be drawn；The conducting wire of the grid type ground electrode is along annular base
The side wall of seat is drawn.
Based on above scheme, the present invention has also further made following optimization:
About specifically how to realize the extraction of ground electrode conducting wire, two kinds of structures are provided here:
The first: conducting wire one end connects from the bottom surface that working face side penetrates circular base with grid type ground electrode, another
The bottom surface that grid type ground electrode penetrates circular base again is avoided after the bending of end, it is internal from annular base through circular base side wall itself
The top end surface of seat is drawn.
Second: the internal screw thread of circular base opens up groove along axial direction and (connects on earth with circular table), and conducting wire is embedded in interior
The axial notch of screw thread, one end connect with grid type ground electrode, and the other end is drawn through the axial notch of circular base side wall.
Double back side central region for leading copper foil tape only overwrite media plate, with crimping between position keeps for annular pressing ring
Away from.
The back side of the rear cover has bulge-structure, in order to turn-knob operation.Further, the wiring hole is located at rear cover
Center, the bulge-structure is positioned at center two sides and being in two prisms on same straight line with center.
The circular base, dielectric-slab, annular pressing ring and rear cover material be polytetrafluoroethylene (PTFE).
The height (depth for being equivalent to grid type ground electrode recess) of the B sections of ring-shaped cylinder is 1cm；B sections of ring-shaped cylinders
The ratio between internal-and external diameter (being equivalent to the ratio that creeping discharge region area accounts for products radial size) be 2:3, such as it is internal diameter 8cm, outer
Diameter 12cm.
The grid type ground electrode uses stainless steel hexagonal mesh.
The power-supply system includes the rechargeable battery, inverter and high-pressure modular being sequentially connected electrically.
The invention has the following advantages that
1, compact-sized, installation reliably, ensure that job stability.
2, by the way that the region of discharge of ground electrode and outside are separated a safe distance, effectively avoid user accidentally touching or
Contact with end face causes electric shock or short circuit, improves safety, is also beneficial to continually and steadily work.
3, this structure is convenient for disassembly and assembly, and user can replace the components such as dielectric-slab according to the actual situation.
4, power-supply system is not necessarily to external alternating current, equipment is simply portable, can be whenever and wherever possible using battery as power supply
Plasma is generated along face Uniform Discharge, it is convenient to use on various occasions.
Detailed description of the invention
Fig. 1 is the appearance schematic diagram after present invention assembling.
Fig. 2, Fig. 3 provide the schematic diagram of dielectric barrier discharge structure in Fig. 1 with different visual angles.
Fig. 4 is the component diagram of dielectric barrier discharge structure.
Fig. 5 is the half-section diagram of rear cover.
Fig. 6 is the half-section diagram of circular base.
Fig. 7 is the schematic diagram of power-supply system.
Fig. 8 is the output voltage waveforms of high-pressure modular.
Fig. 9 is emission spectrum comparison in difference in region of discharge.
Drawing reference numeral explanation:
1- dielectric barrier discharge structure；2- power-supply system (shell)；
11- circular base；12- grid type ground electrode；13- dielectric-slab；14- high-field electrode (double to lead copper foil tape)；15- ring
Shape pressing ring；16- rear cover；
111-A sections of ring-shaped cylinders；112-B sections of ring-shaped cylinders；113- circular table；114- axial notch；
The wiring hole covered after 161-；The turn-knob position covered after 162-.
Specific embodiment
Below with reference to specific embodiment, the present invention is described in further detail.
The portable homogeneous plasma creeping discharge device, including power-supply system and dielectric barrier discharge structure, power supply
High voltage, power-supply system and dielectric barrier discharge structure overall package needed for system provides electric discharge for dielectric barrier discharge structure
For cylindrical structure, as shown in Figure 1.
One, dielectric barrier discharge structure
Dielectric barrier discharge structure only accounts for sub-fraction, radial dimension and the shell for accommodating power-supply system in volume
It is adapted, as shown in Figure 2 and Figure 3.
Dielectric barrier discharge structure includes circular base, grid type ground electrode, dielectric-slab, annular pressing ring and rear cover, such as
Shown in Fig. 4.Specifically:
Circular base is along two sections of different ring-shaped cylinders of internal diameter are divided axially into, so that the inside bottom of circular base forms ring
Shape table top remembers that the ring-shaped cylinder of circular table or more is A sections of ring-shaped cylinders, and circular table ring-shaped cylinder below is B sections of annulars
Cylinder, A sections of ring-shaped cylinders have internal screw thread；
Grid type ground electrode, dielectric-slab, annular pressing ring are set in turn in circular base along axial direction, wherein grid type it is electric
The radial dimension of pole and dielectric-slab is all larger than the internal diameter of the circular table, and grid type ground electrode is placed on circular table, is situated between
The front nerve of a covering lattice ground electrode of scutum, the back side of dielectric-slab, which is posted, double leads copper foil tape as high-field electrode；The annular
Pressing ring has internal screw thread and external screw thread, the internal diameter and internal screw thread of the outer diameter and external screw thread of annular pressing ring and A sections of ring-shaped cylinders
It is adapted, the internal diameter and internal screw thread of annular pressing ring are adapted with the diameter of rear cover and external screw thread.When assembling, first annular is pressed
Circle screws in circular base, compresses dielectric-slab, and rear cover is then screwed in annular pressing ring, the protrusion covered after turn-knob (prism), finally
Rear cover is pressed on the high-field electrode for being connected to conducting wire and (makes conducting wire and high-field electrode reliable contacts).
As shown in Figure 4, Figure 5, it is covered after and is provided with wiring hole, for drawing the conducting wire of high-field electrode.
As shown in fig. 6, the conducting wire of grid type ground electrode can (axial direction internal or being especially arranged be recessed along the side wall of circular base
Slot) it draws.
Preferred structure parameter is as follows:
A sections of ring-shaped cylinders: outer diameter 120mm, internal diameter 100mm, high 10mm；Inner wall has internal screw thread；
B sections of ring-shaped cylinders: outer diameter 120mm, internal diameter 80mm, high 10mm；
Circular table: outer diameter 100mm, internal diameter 80mm；
Annular pressing ring: outer diameter 100mm, internal diameter 80mm, high 10mm；Inside and outside wall has screw thread；
Rear cover: diameter 80mm, high 10mm, center has through through-hole (wiring hole).
The present embodiment is also optimized the selection of dielectric-slab and thickness parameter.In development process, dielectric-slab selection
Two kinds of materials of polytetrafluoroethylene (PTFE) and epoxy resin, they all have good insulating, the strong feature of oxidation resistance.Further exist
It is different to record different materials by oscillograph and high-voltage probe for the sine power supply that 10kHz is accessed between high-field electrode and ground electrode
The firing potential of the dielectric-slab of thickness.As shown in table 1.
1 different materials different-thickness firing potential of table
As can be seen that when same thickness, the firing potential of polytetrafluoroethylene (PTFE) is higher than epoxy resin, when identical material,
Thickness is smaller, and firing potential is smaller, and the result of this and theory analysis before is consistent.Although the electric discharge of epoxy resin
Voltage is relatively low, but during experiment, by the direct touch of hand, can be clearly felt that epoxide resin material exists
It generates heat when as dielectric-slab electric discharge extremely serious, temperature rises very fast, it is easy to cause thermal breakdown, and polytetrafluoroethylene material
Temperature change during discharge it is slower.
The polytetrafluoroethylene (PTFE) and epoxy resin of 0.8mm thickness are tested in experiment, region of discharge area is 50cm2High-voltage electricity
Impressed frequency is 10kHz between pole and ground electrode, and the temperature variations when sine ac power supply of 7.5kV use infrared survey
Wen Yi, the direct temperature measurement at away from region of discharge 30cm, test result are as follows: the temperature rising of PTFE medium plate is slower, puts
After electric 180s temperature rise 10 degree or sos, and with the growth temperature of time rise it is slower and slower, reached generate heat and radiate
Balance；And epoxy resin medium plate temperature rises very fast, 25 degree of temperature rising in the 60s that discharges, and the trend risen is always
It remains unchanged.
After the considerations of final comprehensive fever and firing potential, selection fever is relatively less and firing potential is lower
0.8mm thickness polytetrafluoroethylene material as dielectric-slab.
Polytetrafluoroethylene material production, the ring in circular base also can be used in circular base, annular pressing ring and rear cover
Shape table top first places the stainless steel hexagonal mesh cut out to suitable size as ground electrode, places dielectric-slab, medium again above
The double copper foil tapes of leading of another face paste of plate are passed through the wiring hole extraction wire of rear cover by high-field electrode as high-field electrode.
Two, power-supply system
As shown in fig. 7, power-supply system includes the rechargeable battery, inverter and high-pressure modular being sequentially connected electrically.At present
Common two output end reality outputs of miniaturization high-pressure modular are high pressure over the ground, test and compared more in development process
Money high-pressure modular, the high-pressure modular 50mm × 85mm × 30mm finally used, 220V, 50Hz exchange input export as class sine
Wave, waveform are serrated, and it is 3.1kV that one end, which exports peak-to-peak value, and it is 2.9kV, both ends output frequency phase that the other end, which exports peak-to-peak value,
Together, about 15kHz, it is contrary.If regarding the potential of ground electrode as zero potential always, high-field electrode, which can be regarded as, to be connect
Having entered frequency is 15kHz, and peak-to-peak value is 6kV, waveform similar to sine wave high voltagehigh frequency power supply, as shown in Figure 8.
It is whole equipment energy supply using hand drill lithium battery (36mm × 40mm × 80mm, 3800mAh), direct current 12V output can
With multiple charge and discharge, there is an overcurrent protection, plug is also more convenient when charge and discharge.
For direct current output and the input that exchanges of high-pressure modular of match battery, choosing inverter is that nominal DC 12V is inputted,
220V, 50Hz exchange output, have overcurrent protection, short-circuit protection, overload protection, maximum power 100W, red green indicator light can be real
When show the working condition of inverter, operating voltage 10V-16V, inverter works normally at this time, and green light, output voltage exists
220V or so fluctuation, no more than the range of positive and negative 8V, inverter does not work when input voltage is less than 10V or greater than 16V, red light
It is bright.
This highly integrated powerful and comprehensive inverter carries most of defencive function of whole device, such as
Current-limiting protection, overload protection, short-circuit protection, under-voltage protection, while the also indicator as the working condition of whole device.
In order to detect the uniformity of creeping discharge, region of discharge is directly observed first, it is believed that electric discharge is more uniform, work is steady
Periodically, optic probe is remained unchanged apart from region of discharge 30cm, and external condition such as temperature, light intensity is divulged information in identical situation, In
Region of discharge randomly selects six points, measures the emission spectrum of the point and is compared.As shown in figure 9, six randomly selected
The emission spectrum image of point is essentially identical, and the intensity of the emission spectrum of every kind of particle is substantially close, it is believed that the device is along face
The phenomenon that uniformity of electric discharge is preferable, and electric discharge does not also overheat for a long time.
Claims (10)
1. a kind of portable homogeneous plasma creeping discharge device, including power-supply system and dielectric barrier discharge structure, special
Sign is: high voltage, power-supply system and dielectric barrier discharge needed for power-supply system provides electric discharge for dielectric barrier discharge structure
Structure overall package；The dielectric barrier discharge structure include circular base, grid type ground electrode, dielectric-slab, annular pressing ring with
And rear cover；
The circular base is along two sections of different ring-shaped cylinders of internal diameter are divided axially into, so that the inside bottom of circular base forms ring
Shape table top remembers that the ring-shaped cylinder of circular table or more is A sections of ring-shaped cylinders, and circular table ring-shaped cylinder below is B sections of annulars
Cylinder, the A sections of ring-shaped cylinder have internal screw thread；
The grid type ground electrode, dielectric-slab, annular pressing ring are set in turn in circular base along axial direction, wherein the grid type
The radial dimension of ground electrode and dielectric-slab is all larger than the internal diameter of the circular table, and grid type ground electrode is placed on the annular table
On face, the front nerve of a covering lattice ground electrode of dielectric-slab, the back side of dielectric-slab, which is posted, double leads copper foil tape as high-field electrode；Institute
Annular pressing ring is stated with internal screw thread and external screw thread, the internal diameter of the outer diameter and external screw thread of annular pressing ring and A sections of ring-shaped cylinders and
Internal screw thread is adapted, and the internal diameter and internal screw thread of annular pressing ring are adapted with the diameter of rear cover and external screw thread, annular pressing ring and
Rear cover overall package is at the back side of dielectric-slab and high-field electrode, and wherein rear cover compresses the high-field electrode for being connected to conducting wire；Afterwards
It covers and is provided with wiring hole, for drawing the conducting wire of high-field electrode；The conducting wire of the grid type ground electrode is along circular base
Side wall is drawn.
2. portable homogeneous plasma creeping discharge device according to claim 1, which is characterized in that realize ground electrode
The dependency structure that conducting wire is drawn are as follows: conducting wire one end penetrates bottom surface and the grid type ground electrode phase of circular base from working face side
It connects, avoids the bottom surface that grid type ground electrode penetrates circular base again after other end bending, it is internal through circular base side wall itself
It is drawn from the top end surface of circular base.
3. portable homogeneous plasma creeping discharge device according to claim 1, which is characterized in that realize ground electrode
The dependency structure that conducting wire is drawn are as follows: the internal screw thread of circular base opens up groove on earth along axial direction, and conducting wire is embedded in the axial direction of internal screw thread
Groove, one end connect with grid type ground electrode, and the other end is drawn through the axial notch of circular base side wall.
4. portable homogeneous plasma creeping discharge device according to claim 1, which is characterized in that described pair is led copper
The back side central region of foil belt only overwrite media plate keeps spacing with the position that crimps of annular pressing ring.
5. portable homogeneous plasma creeping discharge device according to claim 1, it is characterised in that: the rear cover
The back side has bulge-structure, in order to turn-knob operation.
6. portable homogeneous plasma creeping discharge device according to claim 5, it is characterised in that: the wiring hole
Positioned at the center of rear cover, the bulge-structure is positioned at center two sides and to be in two prisms on same straight line with center.
7. portable homogeneous plasma creeping discharge device according to claim 1, it is characterised in that: the annular base
Seat, dielectric-slab, annular pressing ring and rear cover material be polytetrafluoroethylene (PTFE).
8. portable homogeneous plasma creeping discharge device according to claim 1, it is characterised in that: the B sections of ring
The height of shape cylinder is 1cm；The ratio between internal-and external diameter of B sections of ring-shaped cylinders is 2:3.
9. portable homogeneous plasma creeping discharge device according to claim 1, it is characterised in that: the grid type
Ground electrode uses stainless steel hexagonal mesh.
10. portable homogeneous plasma creeping discharge device according to claim 1, it is characterised in that: the power supply
System includes the rechargeable battery, inverter and high-pressure modular being sequentially connected electrically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910713370.2A CN110430652B (en) | 2019-08-02 | 2019-08-02 | Portable uniform plasma creeping discharge device |
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|---|---|---|---|
| CN201910713370.2A CN110430652B (en) | 2019-08-02 | 2019-08-02 | Portable uniform plasma creeping discharge device |
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| CN110430652B CN110430652B (en) | 2020-10-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111417247A (en) * | 2020-03-23 | 2020-07-14 | 西安交通大学 | Contact intelligent plasma surface discharge device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111417247A (en) * | 2020-03-23 | 2020-07-14 | 西安交通大学 | Contact intelligent plasma surface discharge device |
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| CN110430652B (en) | 2020-10-30 |
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