CN206024220U - A kind of low-temperature plasma jet device - Google Patents
A kind of low-temperature plasma jet device Download PDFInfo
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- CN206024220U CN206024220U CN201620332765.XU CN201620332765U CN206024220U CN 206024220 U CN206024220 U CN 206024220U CN 201620332765 U CN201620332765 U CN 201620332765U CN 206024220 U CN206024220 U CN 206024220U
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- plasma torch
- voltage pulse
- power source
- insulation pipe
- plasma
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Abstract
The utility model discloses a kind of low-temperature plasma jet device, including high-voltage pulse power source, metal hose and plasma torch；The internal metal hose comprising high-voltage conducting wires and trachea is drawn by the panel of high-voltage pulse power source, and is connected with plasma torch；The plasma torch surface of high-voltage pulse power source shell, metal hose and metal material is all connected with ground wire；The interior insulation pipe that closes comprising insulating core, one end inside plasma torch and external insulation pipe, in high-field electrode insertion interior insulation pipe；Gas when plasma torch, under high voltage pulse effect, is ionized into plasma and forms jet.This utility model plasma torch can be directly hand-held, and by the larger range of activity of metal hose, for different occasions, in the clinical treatments such as the sterilization of such as skin, the process of dental caries, the solidification of blood, the healing of wound, treating for skin disease and treatment of cancer, it can also be used to the surface treatment of bio-medical material.
Description
Technical field
This utility model belongs to sterilization and technical field of medical instruments, and in particular to a kind of low-temperature plasma jet
Device.
Background technology
Low temperature plasma is partially ionized gas, with multiple physical chemistry effects, such as light radiation, electromagnetic field, band
Charged particle, high energy electron and electroneutral active particle etc..Various biology is embodied when plasma is with cytosiies
Effect is learned, so as to apply in multiple fields, sterilization, clinical treatment, the purification of water/air, food including medical apparatus and instruments/
Process of packaging material etc..
Since 1960s, low temperature plasma is just studied for sterilization to the lethal effect of microorganism.1990s,
Johnson Co. develops the low pressure hydrogen peroxide plasma sterilizer of commercialization, and is promoted in hospital rapidly, uses
In some accurate medical apparatus and instruments and the low temperature quick sterilization of special material.
The generation of low pressure plasma limits which and applies due to needing vacuum system costly.In recent years, often
Press the sterilizing effect of low-temperature plasma jet and its in other application medically, become the focus of domestic and international research.This kind of
Plasma reactor configurations are compact, easy to operate, and sterilization functions broad-spectrum high efficacy is quick, is used widely.By accurate
The characteristic of control plasma, low-temperature plasma jet can be done directly on human body skin and tissue, produce one new etc.
Gas ions medical skill, application direction include the sterilization of skin, the treatment of dental caries, the quick healing of wound, blood fast
Rapid hardening is solid, the treatment for the treatment of for skin disease, apoptosis and cancer etc..Low-temperature plasma jet can also be used for bio-medical
The surface treatment of material, to improve biocompatibility.
Traditional low-temperature plasma jet device, due to being limited by internal structure, its formed low temperature plasma
Luminous efficiency is typically relatively low and spray penetration is also shorter, there are some defects in clinical practice, when being such as used for skin degerming,
Generally require the long period and realize disinfecting in the way of short range scanning back and forth.Therefore how to realize that low temperature plasma is penetrated
The safety of stream and efficiently generation, are the difficult points in research.
Content of the invention
For the above-mentioned technical problem existing for prior art, this utility model provides a kind of low-temperature plasma jet
Device, can make plasma jet realize safely and efficiently occurring, and spray penetration is also longer.
A kind of low-temperature plasma jet device, including high-voltage pulse power source and plasma torch, described high-tension pulse
Rush power supply to be connected with plasma torch by high-voltage conducting wires, described plasma torch is by the external gas storage of air hose
Bottle；
Described plasma torch includes metal shell, the shower nozzle for being connected to metal shell bottom, is located in metal shell
The insulating core in portion, external insulation pipe and high-field electrode；The enlarging of inverted cone, described external insulation is provided with inside described insulating core
Pipe both ends open, its top are inserted from insulating core bottom and are connected with enlarging, and end is after shower nozzle from plasma torch bottom
Extend a segment distance in portion；
Described high-field electrode is extended in external insulation pipe through enlarging through insulating core and high-field electrode end, top with high
Pressure wire one end is connected, and the high-voltage conducting wires other end is connected with high-voltage pulse electric source output terminal；High-field electrode end is cased with interior insulation
Pipe, described interior insulation pipe one end are closed, in insulating core more than another end opening and opening to enlarging；
Described air hose one end is connected with gas storage bottle, and the other end is inserted from the top of insulating core and imports described expansion
In mouthful；So that gas is ionized to form plasma through high-field electrode by the annular space between inside and outside two insulation tube, and from external insulation
Pipe end sprays to form jet.
Further, the surface of shell of the high-voltage pulse power source is provided with electric parameter module and gas flow module；Institute
The electric parameter module that states is made up of some meters with regard to voltage, electric current, frequency, pulsewidth and power, described gas flow
Module is made up of some meters with regard to gas flow and flow velocity.
Further, described plasma torch passes through air hose through the external gas storage bottle of gas flow module.
Further, the high-voltage conducting wires for exposing between the high-voltage pulse power source and plasma torch and air hose are altogether
With using metal hose parcel.
Further, described high-voltage conducting wires surface carries insulating barrier.
Further, the housing of described metal shell, metal hose and high-voltage pulse power source is grounded.
Further, there is certain distance between described insulating core and shower nozzle so that in metal shell expert into certain
The cavity of size.
Further, stagger between described high-field electrode end and shower nozzle a segment distance, makes plasma moving process
In electromotive force and kinetic energy increase, the plasma jet of generation is longer.
Compared with prior art, this utility model has following Advantageous Effects：
(1) closing of this utility model high-field electrode is closed at one end insulation tube and insulation in-core, electric risk are little.
(2) although being thousands of volt high voltages inside this utility model spray gun, the metal shell ground connection of spray gun can be direct
Hand-held, and plasma is tangible.
(3) this utility model makes device have larger range of activity using metal hose, can also change metal as needed
The length of flexible pipe, flexible operation.
(4) due to the presence of external insulation pipe, this utility model occurs the gas in external insulation pipe and interior insulation pipe ring gap
Ionization produces plasma, and the plasma pipe internal surface that insulate outside is constantly accumulated, and the luminous efficiency of plasma jet is big
Big raising.
(5) this utility model external insulation pipe extends a segment distance beyond Metallic Nozzle At The Ingot, can avoid creeping discharge, plasma
Body jet is more stable.
(6) stagger between this utility model high-field electrode and ground connection shower nozzle a segment distance, makes in plasma moving process
Electromotive force and kinetic energy increase, the plasma jet of generation is longer.
Description of the drawings
Overall structure diagrams of the Fig. 1 for this utility model plasma jet device.
Surface structure schematic diagrams of the Fig. 2 for this utility model plasma torch.
Longitudinal profile structure schematics of the Fig. 3 for this utility model plasma torch.
Wherein：1. high-voltage pulse power source, 2. gas flow module, 3. electric parameter module, 4. metal hose, 5. plasma
Spray gun body, 6. shower nozzle, 7. metallic cylinder shell, 8. insulating core, the 9. joint of spray gun and metal hose, the 10. height of tape insulation layer
Pressure wire, 11. plastics gas flexible pipes, 12. external insulation pipes, the interior insulation pipe of 13. one end closing, 14. high-field electrodes.
Specific embodiment
In order to more specifically describe this utility model, below in conjunction with the accompanying drawings and specific embodiment is to of the present utility model
Technical scheme is described in detail.
As shown in Figure 1 to Figure 3, this utility model plasma jet device mainly includes that high-voltage pulse power source 1, metal is soft
Pipe 4 and plasma torch 5.There are gas flow module 2 and electric parameter module 3 on the panel of high-voltage pulse power source 1, additionally
It is connected with metal hose 4.The high-voltage conducting wires 10 and plastics gas flexible pipe 11 of tape insulation layer are wrapped in metal hose 4, and high pressure is led
Line 10 is connected with the high-field electrode 14 in High voltage output and plasma torch 5 in high-voltage pulse power source 1, and plastics gas are soft
Pipe 11 is connected with the gas flow module 2 in high-voltage pulse power source 1, and is inserted in the insulating core 8 in plasma torch 5.
Metal hose 4 is connected with the metallic cylinder shell 7 in plasma torch 5 by joint 9, then by screw thread and Metallic Nozzle At The Ingot 6
It is connected.There is the high-field electrode 14 covered in the insulation tube 13 that closes at one end at the axle center of insulating core 8, then be enclosed within one and be relatively large in diameter
External insulation pipe 12 in, the other end of external insulation pipe 12 is passed from Metallic Nozzle At The Ingot 6 and is extended a distance into.In air hose 11
Gas is connected with external insulation pipe 12 through the air cavity of an inverted cone, and gas flows through the annular space between external insulation pipe 12 and insulation tube 13
Spray from the end of external insulation pipe 12 afterwards.Staggered between the Metallic Nozzle At The Ingot 6 of the end of high-field electrode 14 and ground connection a segment distance.
Small gas storage bottle can be installed in the cabinet of high-voltage pulse power source 1, also can be by external gas storage bottle Input gas, the gas in storage bottle
Body reaches certain flow and flow velocity by Gas Control Module 2, is transported to external insulation through air hose 11 and inverted cone air cavity
In pipe 12.Due to the segment distance that staggered between high-field electrode 14 and shower nozzle 6, the electromotive force in plasma moving process and dynamic
Can increase, the plasma jet of generation is longer, up to more than 5cm.External insulation pipe 12 extends a segment distance beyond shower nozzle 6,
Creeping discharge can be avoided, plasma jet is more stable.
This utility model can obtain different effects, such as pulse voltage, pulse current, pulse based on different electric parameters
Frequency, pulse width, plasma power etc.；Also different effects, such as gas can be obtained by different gas parameters
Flow, gas flow rate, gas component etc..Under the conditions of different gas components and different plasma powers, obtain etc. from
The temperature of daughter jet has differences.In clinical treatment application, frequently with noble gases as source of the gas, such as argon, helium,
Neon etc., or it is aided with other gases a certain proportion of in noble gases, the plasma jet for so producing is in room temperature
Or under room temperature, human body can be directly acted on, any discomfort sense will not be produced.This utility model low-temperature plasma jet device
Main application include the sterilization of skin, the quick healing of wound, the rapid solidification of blood, treating for skin disease, cell
Treatment of apoptosis and cancer etc..During using other gases such as oxygen, hydrogen, nitrogen, it can also be used to the surface treatment of material.
The technical solution of the utility model and its technique effect are further illustrated with specific embodiment below.
Embodiment 1：
The output voltage of high-voltage pulse power source is 15kV, and pulsewidth is 1 μ s, and pulse frequency is 10kHz, and the flow of argon is
5L/min, a length of 3-5cm of the plasma jet obtained from spray gun.Plasma jet is injected in agar plate center, is put down
Staphylococcus aureuses density on plate is 103cfu/cm2, after corona treatment 10s, will see after agar plate incubated overnight
Examine, plate center forms obvious circular sterilization speckle.
Embodiment 2：
The output voltage of high-voltage pulse power source is 10kV, and pulsewidth is 2 μ s, and pulse frequency is 20kHz, and the flow of argon is
5L/min, a length of 3-4cm of the plasma jet obtained from spray gun.Using the density of plasma jet process pig skin surfaces it is
103cfu/cm2Staphylococcus aureuses, after corona treatment 10s, the sterilization rate of pig skin surfaces reaches 100%.
Embodiment 3：
The output voltage of high-voltage pulse power source is 5kV, and pulsewidth is 3 μ s, and pulse frequency is 20kHz, and the flow of helium is 5L/
Min, a length of 1-2cm of the plasma jet obtained from spray gun.Processed after blood 5s using plasma jet, the fast rapid hardening of blood
Gu.
Embodiment 4：
The output voltage of high-voltage pulse power source is 20kV, and pulsewidth is 3 μ s, and pulse frequency is 15kHz, and the flow of argon is
3L/min, a length of 5-10cm of the plasma jet obtained from spray gun.Using the external melanoma of plasma jet process
After cell 20s, there is apoptosis in melanoma cell.
Embodiment 5：
The output voltage of high-voltage pulse power source is 8kV, and pulsewidth is 1 μ s, and pulse frequency is 5kHz, and the flow of argon is 2L/
Min, a length of 3-5cm of the plasma jet obtained from spray gun.Using the external skin of plasma jet process into fiber finer
After born of the same parents 20s, there is quick differentiation in cell.
Embodiment 6：
The output voltage of high-voltage pulse power source is 10kV, and pulsewidth is 5 μ s, and pulse frequency is 15kHz, helium oxygen mixture
The flow of body is 5L/min, a length of 3-5cm of the plasma jet obtained from spray gun.Using the stealthy eye of plasma jet process
Behind mirror surface, water contact angle declines, and hydrophilic is improved.
The above-mentioned description to embodiment is to be understood that for ease of those skilled in the art and apply this reality
With new.Person skilled in the art obviously easily can make various modifications to above-described embodiment, and here is said
Bright General Principle is applied in other embodiment without through performing creative labour.Therefore, this utility model is not limited to
State embodiment, according to announcement of the present utility model, the improvement that makes for this utility model and modification are all for those skilled in the art
Should be within protection domain of the present utility model.
Claims (6)
1. a kind of low-temperature plasma jet device, it is characterised in that：Including high-voltage pulse power source and plasma torch, described
High-voltage pulse power source be connected with plasma torch by high-voltage conducting wires, described plasma torch is by outside air hose
Connect gas storage bottle；
Described plasma torch includes metal shell, the shower nozzle for being connected to metal shell bottom, is located inside metal shell
Insulating core, external insulation pipe and high-field electrode；The enlarging of inverted cone, described external insulation pipe two is provided with inside described insulating core
End opening, its top are inserted from insulating core bottom and are connected with enlarging, and end is prolonged from plasma torch bottom after shower nozzle
Stretch out a segment distance；
Described high-field electrode is through insulating core and high-field electrode end is extended in external insulation pipe through enlarging, and top is led with high pressure
Line one end is connected, and the high-voltage conducting wires other end is connected with high-voltage pulse electric source output terminal；High-field electrode end is cased with interior insulation pipe, institute
The interior insulation pipe one end closing that states, in insulating core more than another end opening and opening to enlarging；
Described air hose one end is connected with gas storage bottle, and the other end is inserted from the top of insulating core and imports described enlarging
Interior；So that gas is ionized to form plasma through high-field electrode by the annular space between inside and outside two insulation tube, and from external insulation pipe
End sprays to form jet；
There is certain distance so that in metal shell expert into a certain size cavity between described insulating core and shower nozzle；Institute
Stagger between the high-field electrode end that states and shower nozzle a segment distance.
2. low-temperature plasma jet device according to claim 1, it is characterised in that：The shell of the high-voltage pulse power source
Body surface face is provided with electric parameter module and gas flow module；Described electric parameter module is by some with regard to voltage, electric current, frequently
The meter of rate, pulsewidth and power is constituted, and described gas flow module is made up of some meters with regard to gas flow and flow velocity.
3. low-temperature plasma jet device according to claim 2, it is characterised in that：Described plasma torch leads to
Air hose is crossed through the external gas storage bottle of gas flow module.
4. low-temperature plasma jet device according to claim 1, it is characterised in that：The high-voltage pulse power source with etc.
The high-voltage conducting wires exposed between ion spray gun body and air hose are wrapped up using metal hose jointly.
5. low-temperature plasma jet device according to claim 1, it is characterised in that：Described high-voltage conducting wires surface band
There is insulating barrier.
6. low-temperature plasma jet device according to claim 4, it is characterised in that：Described metal shell, metal
The housing of flexible pipe and high-voltage pulse power source is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620332765.XU CN206024220U (en) | 2016-04-18 | 2016-04-18 | A kind of low-temperature plasma jet device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620332765.XU CN206024220U (en) | 2016-04-18 | 2016-04-18 | A kind of low-temperature plasma jet device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206024220U true CN206024220U (en) | 2017-03-15 |
Family
ID=58241105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201620332765.XU Active CN206024220U (en) | 2016-04-18 | 2016-04-18 | A kind of low-temperature plasma jet device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107862848A (en) * | 2017-12-12 | 2018-03-30 | 上海浦东国际集装箱码头有限公司 | Overhead oil changes electric tyre crane trolley pole remote control and draws hang device |
| CN108013930A (en) * | 2017-12-25 | 2018-05-11 | 中国科学院合肥物质科学研究院 | A kind of plasma treatment nasopharyngeal carcinoma generating means and conchoscope |
| CN108463046A (en) * | 2018-05-04 | 2018-08-28 | 安徽工业大学 | Hand held air electric spark cold plasma shock wave fluidic device |
| CN108990248A (en) * | 2018-10-11 | 2018-12-11 | 南京苏曼等离子科技有限公司 | A kind of plasma producing apparatus and its application |
| CN112741704A (en) * | 2020-12-29 | 2021-05-04 | 江苏容正医药科技有限公司 | Plasma jet device for cleaning and/or whitening teeth |
| KR102288822B1 (en) * | 2021-03-15 | 2021-08-11 | (주)성삼 | Plasma discharger for sterilization |
| CN116246471B (en) * | 2023-03-01 | 2024-01-19 | 河北省交通规划设计研究院有限公司 | Test method and system for radar fusion tracking system |
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- 2016-04-18 CN CN201620332765.XU patent/CN206024220U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107862848A (en) * | 2017-12-12 | 2018-03-30 | 上海浦东国际集装箱码头有限公司 | Overhead oil changes electric tyre crane trolley pole remote control and draws hang device |
| CN108013930A (en) * | 2017-12-25 | 2018-05-11 | 中国科学院合肥物质科学研究院 | A kind of plasma treatment nasopharyngeal carcinoma generating means and conchoscope |
| CN108463046A (en) * | 2018-05-04 | 2018-08-28 | 安徽工业大学 | Hand held air electric spark cold plasma shock wave fluidic device |
| CN108463046B (en) * | 2018-05-04 | 2023-10-10 | 安徽工业大学 | Hand-held air electric spark cold plasma shock wave jet device |
| CN108990248A (en) * | 2018-10-11 | 2018-12-11 | 南京苏曼等离子科技有限公司 | A kind of plasma producing apparatus and its application |
| CN108990248B (en) * | 2018-10-11 | 2024-03-26 | 南京苏曼等离子科技有限公司 | Plasma generating device and application thereof |
| CN112741704A (en) * | 2020-12-29 | 2021-05-04 | 江苏容正医药科技有限公司 | Plasma jet device for cleaning and/or whitening teeth |
| KR102288822B1 (en) * | 2021-03-15 | 2021-08-11 | (주)성삼 | Plasma discharger for sterilization |
| CN116246471B (en) * | 2023-03-01 | 2024-01-19 | 河北省交通规划设计研究院有限公司 | Test method and system for radar fusion tracking system |
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