The content of the invention
(1) technical problem to be solved
The purpose of the present invention is:There is provided a kind of simple structure, low cost of manufacture, with stabilization plasma discharge performance and
, there are sterilized, deodorant, dust removing effects to solve existing plasma generator in the plasma generator of long service life
Difference, the problem that discharging function is unstable and service life is short.
(2) technical scheme
In order to solve the above-mentioned technical problem, the invention provides a kind of plasma generator, it includes that internal is hollow
And plasma insulation tubes and the metal level of the tube outer surface that insulated located at the plasma with two openings, the grade from
The entrance point of daughter insulation tube is connected with air pump;Helical blade type electric conductor, the spiral shell are set in the plasma insulation tube
Vane chip electric conductor is drawn from the port of export of the plasma insulation tube and to be connected voltage between the metal level adjustable
High-frequency and high-voltage power supply.
Wherein, the helical blade type electric conductor includes conductive pole and the axis direction disk in the shape of a spiral along the conductive pole
The blade of rotation, the conductive pole and blade are made of copper or stainless steel.
Wherein, the helical blade type electric conductor is not more than with the minimum range of the inwall of the plasma insulation tube
0.5mm。
Wherein, the amplitude range of the high-frequency and high-voltage power supply is 5-20kV;The frequency range of the high-frequency and high-voltage power supply is
1-50kHz;The rising time of the high-frequency and high-voltage power supply is not more than 100ns.
Wherein, the metal level is the electrode being made up of conductive metal foil.
Wherein, the conductive metal foil is made of goldleaf or silver foil or Copper Foil or aluminium foil.
Wherein, the conductive metal foil is Nian Jie or screw thread company with the connected mode of plasma insulation tube outer surface
Connect or rivet interlacement.
Wherein, the ceramic material system that the plasma insulation tube is shaped using quartz glass material or alumina sintering
Into.
(3) beneficial effect
Above-mentioned technical proposal of the invention has the following advantages that:The invention provides a kind of plasma generator, its bag
It is hollow and with two the plasma insulation tubes and the metal level located at plasma insulation tube outer surface of opening to include internal,
The entrance point of plasma insulation tube is connected with air pump;Helical blade type electric conductor, helical-blade are set in plasma insulation tube
Chip electric conductor is drawn from the port of export of plasma insulation tube and the adjustable high-frequency high-voltage of voltage is connected between metal level
Source.The plasma generator that the application is provided, simple structure, and helical blade can be provided with by plasma insulation tube
Formula electric conductor so that the air for pumping into is rotationally advancing and in high-frequency high-voltage in plasma insulation tube along helical blade surface
It is plasma to be ionized in the presence of the electrion of source, extends holdup time of the air in plasma insulation tube, one
Aspect improves plasma quantity, on the other hand improves the uniformity of plasma and the hybrid density for pumping into gas, enters
And there is the plasma discharge performance of stabilization, the effect of sterilized degraded is substantially increased, also beneficial to increasing the service life;Simultaneously
By using the adjustable high-frequency and high-voltage power supply of voltage, voltage rising time is short, beneficial to the degraded for accelerating ozone, such that it is able to effective
Reduce the yield of ozone, it is to avoid the pollution to room air, it is practical, produce and promote beneficial to being standardized.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained on the premise of creative work is not made, belongs to the scope of protection of the invention.
As shown in Figure 1 to Figure 2, a kind of plasma generator is the embodiment of the invention provides, it includes that internal is hollow
And with two the plasma insulation tubes 2 and the metal level 5 located at the outer surface of plasma insulation tube 2 of opening, in this implementation
In example, metal level 5 is used to be grounded, used as earth electrode;The entrance point 3 of plasma insulation tube 2 is connected with air pump 6, plasma
The port of export 4 of body insulation tube 2 both can be with the liquid for needing microorganism present in the organic substances such as degrading pesticide residues or water etc.
Body is connected, to carry out degraded operation;Can also be connected with closed container, with the operation that carried out disinfection to closed container;Plasma
Helical blade type electric conductor 1 is set in insulation tube 2, and helical blade type electric conductor 1 draws from the port of export 4 of plasma insulation tube 2
Go out and the adjustable high-frequency and high-voltage power supply 7 of voltage is connected between metal level 5;Wherein, metal level 5 is used as earth electrode, helical-blade
Chip electric conductor 1 is used as high-field electrode.By the plasma generator provided using the application so that the air for pumping into is being waited
Be rotationally advancing along helical blade 1-2 surfaces in gas ions insulation tube 2 and be ionized in the presence of high-frequency and high-voltage power supply 7 for etc. from
Daughter, wherein, plasma is between the inwall of helical blade type electric conductor 1 and plasma insulation tube 2;Contain in plasma
Some excitation state O atoms, OH groups etc. kill the effect of bacterium, degraded participation agricultural chemicals so as to reach with extremely strong oxidisability.
Particularly, the arrow in Fig. 1 and Fig. 2 refers to the airflow direction of the gas for pumping into.
The plasma generator that the application is used, simple structure, process is simple, low manufacture cost;By in plasma
Helical blade type electric conductor 1 is provided with body insulation tube 2, holdup time of the air in plasma insulation tube 2 is substantially prolongs,
On the one hand plasma quantity is improve, on the other hand improves the uniformity of plasma and the hybrid density for pumping into gas,
And then with the plasma discharge performance of stabilization, the effect of sterilized degraded is substantially increased, also beneficial to increasing the service life;Together
When by use the adjustable high-frequency and high-voltage power supply 7 of voltage, voltage rising time is short, beneficial to accelerate ozone degraded, such that it is able to
Effectively reduce the yield of ozone, it is to avoid the pollution to room air, it is practical, produce and promote beneficial to being standardized.
Specifically, in the present embodiment, helical blade type electric conductor 1 includes conductive pole 1-1 and the axis along conductive pole 1-1
The blade 1-2 that direction is spiraled in the shape of a spiral, conductive pole 1-1 and blade 1-2 are made of copper or stainless steel, can also be used
The excellent material of other electric conductivities is made, such as iron or aluminium or aluminium copper.Wherein, the chi of conductive pole 1-1 and blade 1-2
The very little internal diameter size with specific reference to plasma insulation tube 2 mutually should determine that;Preferably, what spiral helicine gas flow was set gets over
It is many, then pump into that holdup time of the gas in plasma insulation tube 2 is more long, accordingly, the plasma quantity of generation is more,
And plasma is better with the uniformity of the hybrid density for pumping into gas, beneficial to the follow-up sterilized, disinfection efficacy of raising.
Preferably, helical blade type electric conductor 1 is not more than 0.5mm with the minimum range of the inwall of plasma insulation tube 2.
To extend the holdup time of the gas pumped into through air pump 6 in plasma insulation tube 2, and avoid entering from plasma insulation tube 2
The gas that mouth end 3 pumps into is without spiral helicine gas flow directly from helical blade type electric conductor 1 and plasma insulation tube 2
Gap in flow out, in the present embodiment, by the most narrow spacing of helical blade type electric conductor 1 and the inwall of plasma insulation tube 2
From being set to no more than 0.5mm, the holdup time for pumping into gas is extended with abundant, with maximize improve it is follow-up sterilized, deodorant and
Dust removing effects.
Specifically, the amplitude range of high-frequency and high-voltage power supply 7 is 5-20kV;The frequency range of high-frequency and high-voltage power supply 7 is 1-
50kHz;The rising time of high-frequency and high-voltage power supply 7 is not more than 100ns.In the present embodiment, using the high frequency of voltage adjustable
High voltage power supply 7, high precision, dynamic response is fast, and can cause to realize that voltage rises within the extremely short time, beneficial to raising electronics temperature
Degree, can accelerate the degraded of ozone, such that it is able to effectively reduce the yield of ozone, it is to avoid the pollution to room air.
Preferably, metal level 5 is the electrode being made up of conductive metal foil, using conductive metal foil as metal level 5, matter
Gently, beneficial to the weight for mitigating whole plasma generator, while the conductive stability of metal foil is good, beneficial to further improving
The stability of plasma discharge performance.
Preferably, conductive metal foil is made of goldleaf or silver foil or Copper Foil or aluminium foil.Though goldleaf price is relatively expensive,
It is its stable chemical performance, electric conductivity is strong and ductility is best, long service life;Silver foil matter is soft, ductility is only second to goldleaf, changes
Performance is learned relatively to stablize;Copper Foil, aluminium foil are cheap, and its chemical property is poor with respect to Copper Foil and aluminium foil, specifically can be according to actually applying
Work condition selects to make material accordingly.
Preferably, the connected mode of conductive metal foil and the outer surface of plasma insulation tube 2 for it is Nian Jie or be threadedly coupled or
Rivet interlacement.In the present embodiment, conductive metal foil is fixed on the outer surface of plasma insulation tube 2 from the mode of bonding,
Good fixing effect, and technique is easy, beneficial to production cost is saved, to improve economy.
Preferably, plasma insulation tube 2 is made of the ceramic material that quartz glass material or alumina sintering shape.
In the present embodiment, plasma insulation tube 2 is made of quartz glass material, and quartz glass has extremely low thermal expansion system
Several, high temperature tolerance, fabulous chemical stability and excellent electrical insulating property, to improve the use longevity of plasma generator
Life.
In sum, the invention provides a kind of plasma generator, it includes that internal is hollow and spacious with two
Mouthful plasma insulation tube and located at plasma insulate tube outer surface metal level, the entrance point of plasma insulation tube with
Air pump is connected;Helical blade type electric conductor is set in plasma insulation tube, and helical blade type electric conductor insulate from plasma
The port of export of pipe is drawn and the adjustable high-frequency and high-voltage power supply of voltage is connected between metal level.The plasma hair that the application is provided
Raw device, simple structure, and can be by being provided with helical blade type electric conductor in plasma insulation tube so that the air for pumping into exists
It is rotationally advancing along helical blade surface and is ionized in the presence of high-frequency and high-voltage power supply electrion in plasma insulation tube
It is plasma, extends holdup time of the air in plasma insulation tube, on the one hand improves plasma quantity, separately
On the one hand the uniformity of plasma and the hybrid density for pumping into gas is improve, and then with the plasma discharge of stabilization
Can, the effect of sterilized degraded is substantially increased, also beneficial to increasing the service life;Simultaneously by high using the adjustable high frequency of voltage
Voltage source, voltage rising time is short, beneficial to the degraded for accelerating ozone, such that it is able to effectively reduce the yield of ozone, it is to avoid right
The pollution of room air, it is practical, produce and promote beneficial to being standardized.
Finally it should be noted that:The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although
The present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those within the art that:It still may be used
Modified with to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic;
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.