CN112261771A - Handheld pulse modulation high-voltage direct-current air plasma brush device - Google Patents
Handheld pulse modulation high-voltage direct-current air plasma brush device Download PDFInfo
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- CN112261771A CN112261771A CN202011125716.6A CN202011125716A CN112261771A CN 112261771 A CN112261771 A CN 112261771A CN 202011125716 A CN202011125716 A CN 202011125716A CN 112261771 A CN112261771 A CN 112261771A
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- 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
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Abstract
The invention provides a handheld pulse modulation high-voltage direct-current air plasma brush device, which relates to the technical field of material surface treatment and comprises a spray gun body, a switch, a charging module, a lithium ion battery, a gear shifting button, a voltage reduction module, a fan, a hardware system module, a touch screen and a discharge electrode, wherein the lithium ion battery drives a ZVS module and the voltage reduction module, the frequency and the duty ratio of IGBT trigger pulses are regulated and controlled through the touch screen, the alternating voltage output by ZVS is changed, the alternating voltage output by ZVS is increased through a high-frequency high-voltage transformer, a diode is connected in series at the output end of the high-frequency high-voltage transformer, and a capacitor is connected in parallel for rectification, so that the discharge electrode generates a stable and; the intensity and the arc length of the discharge arc can be regulated and controlled by the touch screen and the gear shifting button, so that the effect of ideal treatment of the surface of the material by people is achieved, and the device has the advantages of energy conservation, environmental protection, low cost, handholding, simplicity in operation, high reliability, small size and the like.
Description
Technical Field
The invention relates to the technical field of material surface treatment, in particular to a handheld pulse modulation high-voltage direct-current air plasma brush device.
Background
The surface performance of the material is often an important factor for determining the service performance and the service life of the material, and among various treatment and modification methods for improving the surface wear resistance, modification, etching and the like of the material and other special properties, the method for treating the surface of the material by using the air direct current arc can overcome the defects of low surface energy, poor surface adhesion, poor hydrophilicity, poor electrical properties and the like of the material. The air plasma generated by the air direct current arc has the characteristics of low temperature, high ionization degree, high density, uniform distribution of active particles and the like, the air plasma mainly comprises oxygen ions, nitrogen ions and the like, after the air direct current arc treatment, a large number of active groups containing nitrogen, oxygen and the like are generated on the surface of the material, the active groups activate the surface of the material, increase the adhesive force, improve the hydrophilicity and the like, and the surface of the object treated by the air direct current arc has high cleanliness and components such as grease, additives and the like are removed.
Chinese patent 'a plasma arc heat treatment strengthening process' (application No. 201110433952.9, publication No. CN102560055A, published by grant No. 2012.07.11) discloses a plasma arc heat treatment strengthening process, which generates a high-temperature and high-energy-density direct current electric arc, and can effectively carry out hardening, nitriding and other treatments on the surface of a high-temperature resistant material, so that the surface of the material achieves the effects of thick hardened layer, surface ion nitriding and the like. However, this apparatus cannot treat the surface of a material having poor heat resistance and is only suitable for a material having high heat resistance, and therefore, this apparatus has a disadvantage of having a single function.
Chinese patent application No. 201620323226.X, publication No. CN205726632U, publication No. 2016.11.23 discloses a brush-shaped low-temperature plasma jet device with a porous medium, which ionizes into plasma in a pore channel of the porous insulating medium and forms jet under the action of high-voltage pulse, and although the device can treat the surface of a material with a large area on a rectangular porous insulating medium, the treatment efficiency is improved, but the volume of the device is increased, so that the movement space of the device is limited, and the treatment effect on the corner surfaces of some materials is poor.
Therefore, how to create a device which has wide application range, obvious treatment effect, large treatment area, convenient carrying of the treatment device and flexible treatment of the corner surface of the material is a problem which is urgently needed to be solved at present.
Disclosure of Invention
The present invention is directed to a hand-held pulse modulated high voltage dc air plasma brush device, which solves the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: a hand-held pulse modulation high-voltage direct-current air plasma brush device comprises a discharge electrode, a spray gun body, a touch screen 3, a hardware system module, a voltage reduction module, a fan, a lithium ion battery, a charging module, a gear shifting button and a switch, the discharge electrode is arranged at the output end of the spray gun body, the lithium ion battery and the charging module are arranged at the lower end of the spray gun body, the lithium ion battery is electrically connected with the charging module, the voltage reduction module is respectively connected with the fan, the lithium ion battery and the gear shifting button through leads, the hardware system module is respectively connected with the discharge electrode, the lithium ion battery, the switch and the touch screen through leads, the hardware system module further comprises an IGBT, a ZVS module, a high-frequency high-voltage transformer and a pulse signal generator, wherein the voltage reduction module is controlled by a gear shifting button and can output voltages of a plurality of gears.
Preferably, the spray gun body is made of plastic.
Preferably, the voltage of the lithium ion battery is 15V.
Preferably, the discharge electrode is a cylindrical metal bare electrode with a diameter of 1 mm.
Preferably, the hardware system module is controlled by a touch screen.
Preferably, the output pulse frequency of the IGBT is between 100Hz and 1000Hz, the duty ratio is 0.1-1, and the square wave direct current voltage is switched on and off at 10V; the ZVS module outputs pulse modulation frequency of 30 kHz-50 kHz for self adaptation, and the working voltage is direct current of 12V-30V; the transformation ratio of the high-frequency high-voltage transformer is 1: 200.
Preferably, the voltage steps of the voltage reduction module include 10V, 7V and 5V.
Compared with the prior art, the invention has the beneficial effects that: the direct current square wave signal is generated by the pulse signal generator to drive the IGBT, the frequency and the duty ratio of the pulse signal are displayed and regulated by the touch screen, the output direct current square wave signal is changed by changing the frequency and the duty ratio, the direct current voltage acts on ZVS, the ZVS generates high-frequency alternating voltage, the voltage is boosted by the high-frequency high-voltage transformer, a diode is connected in series with the output end of the high-frequency high-voltage transformer, a capacitor is connected in parallel with the discharge electrode, and therefore the discharge electrode can generate a stable and high-strength direct current arc;
the gear shifting button controls the voltage reduction module to output three different voltage values to drive the fan, the wind speed of the fan is changed through the output voltage, and the arc length of an electric arc can be changed through the wind speed; the voltage reduction module outputs the maximum voltage to enable the wind speed of the fan to reach the maximum, and at the moment, the gas flow speed blows the length of the direct current arc to the maximum and the direct current arc is not blown out; therefore, the user can regulate and control the touch screen and the gear shifting button according to actual conditions, the intensity and the arc length of the output direct current arc are changed, and an ideal processing effect is achieved.
In addition, by utilizing the modularized structure, the device has small volume, light weight, easy hand-holding, easy carrying and enhanced practicability, and solves the problems of single function, large volume, complicated operation, difficult hand-holding, poor treatment effect on the corner surface and the like of the prior device.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the apparatus of the present invention;
FIG. 2 is a diagram of a hardware circuit control system according to the present invention;
FIG. 3 is a diagram of a hand-held pulsed high voltage direct current air plasma brush apparatus of the present invention treating a surface of a metal blade;
FIG. 4 is a diagram of the effect of a hand-held pulse modulated high voltage direct current air plasma brush device of the present invention on treating the surface of a plastic cover;
FIG. 5 is a diagram of a PCB surface being processed by a handheld pulse modulated high voltage DC air plasma brush device according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
the device comprises a discharge electrode 1, a spray gun body 2, a touch screen 3, a hardware system module 4, a voltage reduction module 5, a fan 6, a lithium ion battery 7, a charging module 8, a gear shifting button 9 and a switch 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a hand-held pulse modulation high-voltage direct-current air plasma brush device comprises a discharge electrode 1, a spray gun body 2, a touch screen 3, a hardware system module 4, a voltage reduction module 5, a fan 6, a lithium ion battery 7, a charging module 8, a gear shifting button 9 and a switch 10, wherein the discharge electrode 1 is installed at the output end of the spray gun body 2, the lithium ion battery 7 and the charging module 8 are arranged at the lower end of the spray gun body 2, the lithium ion battery 7 is electrically connected with the charging module 8, the voltage reduction module 5 is respectively connected with the fan 6, the lithium ion battery 7 and the gear shifting button 9 through leads, the hardware system module 4 is respectively connected with the discharge electrode 1, the lithium ion battery 7, the switch 10 and the touch screen 3 through leads, the hardware system module 4 further comprises an IGBT, a ZVS module, a high-frequency high-voltage transformer and a pulse signal generator, the voltage reduction module 5 is controlled, and can output voltages of a plurality of gears.
Wherein the spray gun body 2 is made of plastic.
The voltage of the lithium ion battery 7 is 15V.
Wherein, the discharge electrode 1 is a cylindrical metal bare electrode with a diameter of 1 mm.
The hardware system module 4 is controlled by the touch screen 3.
The output pulse frequency of the IGBT is between 100Hz and 1000Hz, the duty ratio is 0.1-1, and the square wave direct current voltage is 10V; the ZVS module outputs pulse modulation frequency of 30 kHz-50 kHz for self adaptation, and the working voltage is DC 12V-30V; the transformation ratio of the high-frequency high-voltage transformer is 1: 200.
The voltage gears of the voltage reduction module 5 include 10V, 7V and 5V, the wind speed of the fan 6 is maximum when the gear is maximum, and the direct current arc of the discharge electrode 1 is longest and cannot be blown out.
One specific application of this embodiment is: a charging module 8 of the device can charge a lithium ion battery 7, the lithium ion battery 7 drives a ZVS module and a voltage reduction module 5, the frequency and the duty ratio of an IGBT pulse are regulated and controlled through a touch screen 3, the alternating voltage output by ZVS is changed, the voltage of the alternating voltage output by ZVS is increased through a high-frequency high-voltage transformer, a diode is connected in series with the output end of the high-frequency high-voltage transformer, a capacitor is connected in parallel with the output end of the high-frequency high-voltage transformer, and then the high-frequency high-voltage transformer is connected with a discharge electrode 1, so that the discharge electrode 1;
after the surface of the plastic cover is treated: pressing the switch 10, inputting the frequency of 50Hz and the duty ratio of 20% on the touch screen 3, clicking a red button on the screen, and adjusting the gear shifting button 9 to the middle, wherein at the moment, the discharge electrode 1 generates a direct current arc, the generated arc directly processes the plastic cover for one minute, and the hydrophilicity and the cleanliness of the processed plastic cover are obviously improved;
treating the surface of the metal copper: pressing a switch 10, inputting frequency of 50Hz and duty ratio of 30% on a touch screen 3, clicking a red button on the screen, adjusting a gear shifting button 9 to the middle, generating direct current electric arc by a discharge electrode at the moment, directly treating the copper surface by the generated electric arc for one minute, testing the treated copper surface, and compared with the untreated copper surface, obviously improving hydrophilicity and enhancing surface adhesive force, and solving the problems of poor spraying and adhesive property and the like;
processing the surface of the PCB: the switch 10 is pressed, the frequency is 50Hz and the duty ratio is 20% are input on the touch screen 3, the red button on the screen is clicked, the gear shifting button 9 is shifted to the top, at the moment, the discharge electrode generates direct current electric arc, the generated electric arc directly processes the surface of the PCB, the processing time is one minute, the processed copper surface is tested, compared with the PCB which is not processed, the soldering tin performance is obviously enhanced, the surface cleanliness is improved, and the problems that soldering tin is not easy to conduct and the like are solved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides a hand-held type pulse modulation high voltage direct current air plasma brushes device which characterized in that: the automatic gear shifting device comprises a discharge electrode (1), a spray gun body (2), a touch screen (3), a hardware system module (4), a voltage reduction module (5), a fan (6), a lithium ion battery (7), a charging module (8), a gear shifting button (9) and a switch (10), wherein the discharge electrode (1) is installed at the output end of the spray gun body (2), the lithium ion battery (7) and the charging module (8) are arranged at the lower end of the spray gun body (2), the lithium ion battery (7) is electrically connected with the charging module (8), the voltage reduction module (5) is respectively connected with the fan (6), the lithium ion battery (7) and the gear shifting button (9) through leads, the hardware system module (4) is respectively connected with the discharge electrode (1), the lithium ion battery (7), the switch (10) and the touch screen (3) through leads, and the hardware system module (4) further comprises an IGBT, The device comprises a ZVS module, a high-frequency high-voltage transformer and a pulse signal generator, wherein the voltage reduction module (5) is controlled by a gear shifting button (9) and can output voltages of a plurality of gears.
2. The hand-held pulse modulated high voltage direct current air plasma brush device of claim 1, wherein: the spray gun body (2) is made of plastic.
3. The hand-held pulse modulated high voltage direct current air plasma brush device of claim 1, wherein: the voltage of the lithium ion battery (7) is 15V.
4. The hand-held pulse modulated high voltage direct current air plasma brush device of claim 1, wherein: the discharge electrode (1) is a cylindrical metal bare electrode with the diameter of 1 mm.
5. The hand-held pulse modulated high voltage direct current air plasma brush device of claim 1, wherein: the hardware circuit module (4) is regulated and controlled by the touch screen (3).
6. The hand-held pulse modulated high voltage direct current air plasma brush device of claim 1, wherein: the output pulse frequency of the IGBT is between 100Hz and 1000Hz, the duty ratio is 0.1-1, and the square wave direct current voltage is 10V; the ZVS module outputs pulse modulation frequency of 30 kHz-50 kHz for self adaptation, and the working voltage is direct current of 12V-30V; the transformation ratio of the high-frequency high-voltage transformer is 1: 200.
7. The hand-held pulse modulated high voltage direct current air plasma brush device of claim 1, wherein: the voltage gears of the voltage reduction module (5) comprise 10V, 7V and 5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011125716.6A CN112261771A (en) | 2020-10-20 | 2020-10-20 | Handheld pulse modulation high-voltage direct-current air plasma brush device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011125716.6A CN112261771A (en) | 2020-10-20 | 2020-10-20 | Handheld pulse modulation high-voltage direct-current air plasma brush device |
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| CN112261771A true CN112261771A (en) | 2021-01-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112843278A (en) * | 2021-04-12 | 2021-05-28 | 安徽工业大学 | Handheld medical cold-dense air plasma jet spray gun |
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2020
- 2020-10-20 CN CN202011125716.6A patent/CN112261771A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112843278A (en) * | 2021-04-12 | 2021-05-28 | 安徽工业大学 | Handheld medical cold-dense air plasma jet spray gun |
| CN112843278B (en) * | 2021-04-12 | 2024-05-28 | 安徽工业大学 | Handheld medical cold dense air plasma jet spray gun |
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