CN110753437A

CN110753437A - Portable plasma shunt

Info

Publication number: CN110753437A
Application number: CN201910966639.8A
Authority: CN
Inventors: 游帆; 张信华; 朱邓; 贺华; 刘威; 杜建建
Original assignee: Jiaxing Enqi Medical Equipment Co Ltd
Current assignee: Jiaxing Enqi Medical Equipment Co Ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-02-04

Abstract

The invention discloses a portable plasma shunt, which relates to the field of plasma generating devices and comprises a plasma generating assembly, a power supply, an electrode, a transformer and a medium tube, wherein the plasma generating assembly is used for generating uniform plasma; the plasma screening component screens plasmas and comprises an axial flow fan and a magnetic ring, the magnetic ring is sleeved outside the dielectric tube and is provided with a certain gap with the dielectric tube, and the end of the transformer, which is far away from the electrode interface, is provided with the axial flow fan; the plasma screening device comprises an insulating shell, a plasma generating assembly, a plasma screening assembly and a magnetic ring, wherein the insulating shell is used for supporting and fixing the plasma generating assembly and the plasma screening assembly.

Description

Portable plasma shunt

Technical Field

The invention relates to the field of plasma generating devices, in particular to a portable plasma shunt.

Background

Plasma is the fourth state of matter, distinguishing gaseous properties, it has good electrical and thermal conductivity, and its specific heat capacity is proportional to temperature, and the specific heat capacity is hundreds times higher than that of gas at high temperature, for example, plasma is generated at atmospheric pressure, the electron temperature is abnormally high, and the ion and neutral particle temperatures are close to normal temperature. According to the above characteristics, the technology is applied to many fields. For example: biomedicine, military space, industry, and the like. The driving power supply of the plasma generating device mature in the prior art adopts an external power supply, the price is high, the size is large, the installation is complex, the low-voltage end and the machine body shell of the power supply equipment are grounded through a lead to provide ground potential, and the human body is used as the low-voltage end for conduction.

Disclosure of Invention

According to the defects of the prior art, the technical problem to be solved by the invention is to provide the portable plasma shunt, wherein the axial flow fan and the magnetic ring are used as a plasma screening component, the axial flow fan accelerates the circulation of plasma, and the magnetic ring screens the plasma, so that the portable plasma shunt has a better spraying effect.

A portable plasma splitter, comprising:

the plasma generating assembly is used for generating uniform plasma and comprises a power supply, an electrode, a transformer and a medium tube, wherein the medium tube is a hollow tube body, the radial section of the medium tube is circular, the electrode is arranged in the medium tube, the central axis of the electrode is coincided with the central axis of the medium tube, one end of the transformer is connected with an electrode interface, and the other end of the electrode interface is connected with the electrode;

the plasma screening component screens plasmas and comprises an axial flow fan and a magnetic ring, the magnetic ring is sleeved outside the dielectric tube and is provided with a certain gap with the dielectric tube, and the axial flow fan is arranged at one end, away from the electrode interface, of the transformer;

and the insulating shell is used for supporting and fixing the plasma generating assembly and the plasma screening assembly.

Optionally, the conducting ring is nested outside the dielectric tube, the high-voltage output end of the transformer is connected with the electrode through the electrode interface, and the low-voltage output end of the transformer is connected with the conducting ring through a wire.

Optionally, a certain gap is also provided between the magnetic ring and the conductive ring.

Optionally, the medium tube is a quartz tube, a ceramic tube or a park glass tube.

Optionally, a low-voltage switch is arranged on the insulating casing, the power supply is connected with the axial flow fan and the input end of the transformer through the low-voltage switch, and the axial flow fan and the transformer are arranged in parallel.

Optionally, the method further includes:

the plasma beam jet assembly is used for forming a plasma beam and jetting the plasma beam and comprises a nozzle, wherein one end of the dielectric tube, which is close to the electrode interface, is an input end, one end of the dielectric tube, which is far away from the electrode interface, is an output end, and one end of the insulating shell, which is close to the output end of the dielectric tube, is detachably connected with the nozzle.

Optionally, the nozzle is provided in the shape of a flat column.

Optionally, the nozzle is provided in a cylindrical shape.

Optionally, the nozzle is provided in a conical shape.

Optionally, the nozzle is provided with a bend.

The invention has the advantages that: the power supply and the plasma generating device are integrated, the whole model is light, the cost is low, the carrying is convenient, the insulating shell is adopted, the circuit is improved, the safety is higher, and the operation is simple. Utilize axial fan and magnetic ring as plasma screening subassembly, axial fan accelerates the plasma circulation, and the magnetic ring screens plasma again, has better injection effect, changes plasma beam shape through the shape that changes the nozzle to nozzle and insulating housing are detachable design, are convenient for change and maintain, and the design of outward appearance wholeization, it is better to hand-held the sense.

Drawings

FIG. 1 is a schematic diagram of a hand-held plasma torch in the prior art;

FIG. 2 is a schematic diagram of a prior art dielectric barrier discharge plasma jet device;

FIG. 3 is a schematic diagram of the internal structure of an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of an insulating housing according to an embodiment of the present invention;

FIGS. 5(a) and 5(b) are side and top views, respectively, of a nozzle in the form of a flattened cylinder in accordance with an embodiment of the present invention;

FIGS. 6(a) and 6(b) are a side view and a top view, respectively, of a nozzle in an embodiment of the present invention in the form of a cylinder;

FIGS. 7(a) and 7(b) are a top sectional view and a side view, respectively, of a nozzle having a conical shape in an embodiment of the present invention;

fig. 8(a) and 8(b) are a top sectional view and a side view, respectively, of a nozzle in an embodiment of the present invention in a bent shape.

The device comprises a nozzle 1, an electrode 2, a medium pipe 3, a magnetic ring 4, an electrode interface 5, a transformer cabin 6, a low-voltage switch 7, an axial-flow fan 8, a power cabin 9, an insulating shell 10, a power supply 11, an axial-flow fan cabin 12, a transformer 13 and a conducting ring 14.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As an embodiment of the present invention, there is provided a portable plasma splitter including:

Through the design of this portable plasma shunt, with power and plasma generator integration, the overall shape is light and handy, low cost, portable adopts insulating casing, improves the circuit, and is safer, easy operation. Utilize axial fan and magnetic ring as plasma screening subassembly, axial fan accelerates the plasma circulation, and the magnetic ring screens plasma again, has better injection effect, changes plasma beam shape through the shape that changes the nozzle to nozzle and insulating housing are detachable design, are convenient for change and maintain, and the design of outward appearance wholeization, it is better to hand-held the sense.

The portable plasma splitter is described below in connection with a preferred embodiment of the present invention.

Referring to fig. 1, a hand-held plasma torch (patent No. CN 102523674B) of the prior patent includes a rechargeable battery, a low voltage switch, a voltage booster, a first resistor, a second resistor, an electrode interface, an electrode, a nozzle, a torch housing, a hand-held portion of the torch housing, a battery holder, an electrode interface holder, and a voltage booster holder. The rechargeable battery is connected with the input end of the booster through the low-voltage switch, the high-voltage output end of the booster is connected with the electrode interface through the first resistor, the electrode interface is fixed inside the flashlight shell, the electrode is connected with the electrode interface and fixed at the position of an inner center line axis of an opening in the upper end of the flashlight shell through the electrode interface, and the low-voltage end of the booster is connected with the handheld part of the flashlight shell through the second resistor. The device utilizes the principle of an old flashlight, and a human body is used as a low-voltage end to conduct electricity. The problem of portability has been solved at design convenience, but low-voltage switch presses the design and is not conform to the anthropology, and on-off stability is relatively poor, and the human body has the potential safety hazard as low pressure is electrically conductive moreover.

Please refer to fig. 2, which is a dielectric barrier discharge plasma jet device (patent No. CN 201167433) of the prior patent, the device includes a dielectric tube, a high voltage electrode, a gas regulating switch, a working gas source, and a power source, wherein the annular high voltage electrode is embedded in the upper tube wall of the dielectric tube and is connected with the power source through a wire, the dielectric tube is communicated with the working gas source, and the flow rate of the working gas is controlled by the gas regulating switch. The power supply is an alternating current power supply, a pulse direct current power supply or a radio frequency power supply. When the device works, a working gas source and gas flow control equipment are needed, a driving power supply of the device is an external power supply, the device is expensive, large in size and complex in installation, the low-voltage end and the machine body shell of the power supply equipment are grounded through a lead to provide ground potential, and the power supply device and a plasma generating device cannot be integrated and miniaturized and are not suitable for wide and large-scale application.

Referring to fig. 3 and 4, the portable plasma splitter according to the present invention includes:

the plasma generating assembly is used for generating uniform plasma and comprises a power supply 11, an electrode 2, a transformer 13 and a medium tube 3, wherein the medium tube 3 is a hollow tube body, the radial section of the medium tube 3 is circular, the electrode 2 is arranged inside the medium tube 3, the central axis of the electrode 2 is coincident with the central axis of the medium tube 3, one end of the transformer 13 is connected with an electrode interface 5, the other end of the electrode interface 5 is connected with the electrode 2, a conducting ring 14 is nested outside the medium tube 3, the high-voltage output end of the transformer 13 is connected with the electrode 2 through the electrode interface 5, and the low-voltage output end of the transformer 13 is connected with the conducting ring 14 through a conducting wire;

in this embodiment, the power source 11 may be a rechargeable lithium battery with a voltage of 5-12V. The transformer 13 outputs a high voltage dc voltage or a pulse dc voltage. The electrode 2 is a discharge end, and the shape is needle-shaped, straight pipe-shaped or bent pipe-shaped, and the like, and the design can be changed according to the entity application. The dielectric tube 3 is a quartz tube, a ceramic tube or a park glass tube, etc., the conducting ring 14 is a metal ring, such as a copper ring, which is embedded outside the dielectric tube 3 and integrated with the dielectric tube 3, and the dielectric tube 3 blocks the motor 2 from discharging to generate plasma;

the plasma screening component screens plasmas and comprises an axial flow fan 8 and a magnetic ring 4, wherein the magnetic ring 4 is sleeved outside the dielectric tube 3 and is provided with a certain gap with the dielectric tube 3 and the conducting ring 14, the axial flow fan 8 is arranged at one end of the transformer 13, which is far away from the electrode interface 5, and the axial flow fan 8 can be in a 12V input voltage working state;

the plasma screening device comprises an insulating shell 10, a low-voltage switch 7 and a plasma screening component, wherein the insulating shell 1 is used for supporting and fixing a plasma generating component and a plasma screening component, an axial flow fan bin 12, a power supply bin 9 and a transformer bin 6 are sequentially fixed inside the insulating shell 1, an axial flow fan 8, a power supply 11 and a transformer 13 are respectively installed in the axial flow fan bin 12, the power supply bin 9 and the transformer bin 6, the insulating shell 1 is provided with the low-voltage switch 7, the power supply 11 is respectively connected with the axial flow fan 8 and the input end of the transformer 13 through the low-voltage switch 7, and the axial flow;

a plasma beam jet assembly is used for forming a plasma beam and jetting the plasma beam and comprises a nozzle 1, wherein one end, close to an electrode interface 5, of a medium pipe 3 is an input end, one end, far away from the electrode interface 5, of the medium pipe is an output end, one end, close to the output end of the medium pipe 3, of an insulating shell 10 is detachably connected with the nozzle 1, the plasma passes through the nozzle 1 to form a uniform plasma beam with a certain length, and the uniform plasma beam is jetted to the atmosphere along the output end of the nozzle 1.

Referring to fig. 5(a) (b), fig. 6(a) (b), fig. 7(a) (b) and fig. 8(a) (b), the nozzle 1 is designed according to the actual situation of the nozzle type, the material is selected from insulating materials, and the nozzle is designed to be detachable, so that the nozzle is convenient for later replacement and maintenance. The nozzle 1 may be provided in a flat column shape, a cylindrical shape, a tapered shape, a bent shape, or the like.

The working principle of the invention is as follows: when a user holds the insulating shell 10 of the portable plasma shunt, the low-voltage switch 7 is pressed to switch on the circuit, the axial flow fan 8 and the electrode 2 are in a working state after the circuit is electrified, a purple electric arc is generated in the quartz tube 3, the circulation of plasma is accelerated under the action of the axial flow fan 8, a plasma beam is formed through the nozzle 1 and is sprayed into the atmosphere, the shape of the nozzle 1 is changed by installing the nozzles 1 with different shapes, the shape of the plasma can be changed, the plasma is screened by changing the motion track of the motion of the plasma under the action of the magnetic ring 4, the whole working process occurs in the insulating shell 10, the user cannot touch the internal voltage, the generated plasma is safe, the input voltage is adjusted by adjusting the parameters of the transformer 13, and the intensity of the plasma can be changed. The transformer 13 is an integral component, a coil, a resistor, a capacitor and the like are integrated inside, when the transformer 13 works, low voltage is changed into high voltage (which is used as a booster), required waveform, direct current high voltage or pulse direct current voltage is changed, the discharge frequency is changed by changing circuit parameters, and formed plasma is normal temperature and has no electric shock stimulation and burning sensation to a human body. Under this portable plasma shunt operating condition, axial fan 8's setting can be for each components and parts of insulating housing 10 inside cooling that dispel the heat, and air and plasma velocity of flow accelerate simultaneously form plasma beam, and cooperation magnetic ring 4 influences plasma movement track, screens plasma. The specific principle is as follows: the arrangement of the magnetic ring 4 does not affect the generation of plasma by the plasma generation assembly, the shape of a plasma beam is changed by changing the shape of the nozzle 1, after the magnetic ring 4 is sleeved outside the medium pipe 3, the moving direction of particles is determined according to the moving characteristics R = mV/qB of charged particles in a magnetic field, different ionic charge amounts are different, and the moving radius is different in the same magnetic field, so that the plasma is screened out in accordance with the requirement. The magnetic field intensity of the magnetic ring 4 can be set to be not too strong, so that the circuit frequency is prevented from being influenced.

In summary, the invention has the advantages that: the power supply and the plasma generating device are integrated, the whole model is light, the cost is low, the carrying is convenient, the insulating shell is adopted, the circuit is improved, the safety is higher, and the operation is simple. Utilize axial fan and magnetic ring as plasma screening subassembly, axial fan accelerates the plasma circulation, and the magnetic ring screens plasma again, has better injection effect, changes plasma beam shape through the shape that changes the nozzle to nozzle and insulating housing are detachable design, are convenient for change and maintain, and the design of outward appearance wholeization, it is better to hand-held the sense.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.

Claims

1. A portable plasma splitter, comprising:

the plasma generating assembly is used for generating uniform plasma and comprises a power supply (11), an electrode (2), a transformer (13) and a medium tube (3), wherein the medium tube (3) is a hollow tube body, the radial section of the medium tube (3) is circular, the electrode (2) is arranged inside the medium tube (3), the central axis of the electrode (2) is coincident with the central axis of the medium tube (3), one end of the transformer (13) is connected with an electrode interface (5), and the other end of the electrode interface (5) is connected with the electrode (2);

the plasma screening assembly screens plasmas and comprises an axial flow fan (8) and a magnetic ring (4), wherein the magnetic ring (4) is sleeved outside the dielectric tube (3) and is provided with a certain gap with the dielectric tube (3), and the axial flow fan (8) is arranged at one end, far away from the electrode interface (5), of the transformer (13);

an insulating housing (10) for supporting and fixing the plasma generating assembly and the plasma screening assembly.

2. The portable plasma splitter according to claim 1, wherein: the conducting ring (14) is nested outside the medium pipe (3), the high-voltage output end of the transformer (13) is connected with the electrode (2) through the electrode interface (5), and the low-voltage output end of the transformer (13) is connected with the conducting ring (14) through a conducting wire.

3. The portable plasma splitter according to claim 2, wherein: a certain gap is also arranged between the magnetic ring (4) and the conducting ring (14).

4. A portable plasma splitter according to claim 3 wherein: the medium tube (3) is a quartz tube, a ceramic tube or a park glass tube.

5. The portable plasma splitter according to claim 1, wherein: the insulation shell (1) is provided with a low-voltage switch (7), the power supply (11) is respectively connected with the axial-flow fan (8) and the input end of the transformer (13) through the low-voltage switch (7), and the axial-flow fan (8) and the transformer (13) are arranged in parallel.

6. The portable plasma splitter according to claim 1, wherein: further comprising:

the plasma beam jet assembly is used for forming a plasma beam and jetting the plasma beam and comprises a nozzle (1), wherein one end, close to an electrode interface (5), of a medium pipe (3) is an input end, one end, far away from the electrode interface (5), of the medium pipe is an output end, and one end, close to the output end of the medium pipe (3), of an insulating shell (10) is detachably connected with the nozzle (1).

7. The portable plasma splitter according to claim 6, wherein: the nozzle (1) is arranged in a flat column shape.

8. The portable plasma splitter according to claim 6, wherein: the nozzle (1) is arranged in a cylindrical shape.

9. The portable plasma splitter according to claim 6, wherein: the nozzle (1) is arranged to be conical.

10. The portable plasma splitter according to claim 6, wherein: the nozzle (1) is bent.