TWI757951B - Room temperature air pressure plasma device and ejection head thereof - Google Patents

Abstract

A room temperature air pressure plasma device is provided. The room temperature air pressure plasma device comprises a pulse generator, a gas source, a plasma generator, and an ejection head. The plasma generator accesses a gas from the gas source and receives a high voltage pulse from the pulse generator to generate plasma ejected from a plasma outlet thereof. The ejection head comprises a housing, a holder, and a filter. The housing has an inlet and an outlet. The inlet is utilized for accessing the plasma from the plasma generator. The holder is disposed between the inlet and the outlet for holding the filter. The plasma is projected to the filter to generate a light with a predetermined wave length range ejected outward from the outlet.

Description

Normal temperature atmospheric plasma device and its nozzle

This case is about an atmospheric plasma device, especially a normal temperature atmospheric plasma device and its nozzle.

In recent years, the application of normal temperature atmospheric plasma has become more and more extensive, from the air purifier in the home to the application of the normal temperature atmospheric plasma that can be seen in the surface treatment technology in the industry.

In medicine, atmospheric plasma at room temperature has also been gradually applied to the activation and treatment of human skin as a non-invasive treatment solution. However, the traditional atmospheric plasma device at room temperature mainly sterilizes the skin surface through the free radicals in the plasma, and has limited activation effect on skin tissue (especially hair follicle cells).

In view of this, the present application provides a normal temperature atmospheric plasma device and a nozzle, which can generate free radicals and red light, and achieve the purpose of skin surface treatment and cell activation at the same time.

Room temperature atmosphere provided according to an embodiment of this case The plasma device includes a pulse generator, a gas source, a plasma generator and a shower head. Wherein, the plasma generator includes a plasma outlet. The plasma generator obtains a gas from a gas source, and obtains a high-voltage pulse from the pulse generator, so as to generate a plasma beam to be ejected from the plasma outlet. The spray head includes a casing, a stage and a filter. The housing includes an inlet and an outlet, the inlet is used to receive the plasma beam from the plasma generator, the stage is arranged between the inlet and the outlet to carry the filter, and the plasma beam is projected on the filter film to produce a specific wavelength range of light projected outward from the outlet.

The nozzle provided according to an embodiment of the present application is suitable for a normal temperature atmospheric plasma device. The normal temperature atmospheric plasma device includes a plasma generator. The spray head includes a casing, a filter and a stage. The housing includes an inlet and an outlet, and the inlet is used for receiving a plasma beam from the plasma generator. The stage is arranged between the inlet and the outlet for carrying the filter. The plasma beam is projected on the filter to generate light in a specific wavelength range that is projected outward from the outlet.

In the normal temperature atmospheric plasma device of this case, the plasma generated by the plasma generator will be sprayed out through the nozzle provided in this case. There is a filter in the spray head to filter out the red light, so that the free radicals and red light generated by the plasma can be provided at the outlet of the spray head, so as to provide the effect of skin surface treatment and cell activation.

The specific embodiments of the present case will be described in more detail below with reference to the schematic diagrams. The advantages and features of the present case will become more apparent from the following description and the scope of the patent application. It should be noted that the drawings are all in a very simplified form and in inaccurate proportions, and are only used to facilitate and clearly assist in explaining the purpose of the embodiments of the present application.

The first figure is a schematic diagram of the configuration of an embodiment of the atmospheric plasma device at room temperature in this case. As shown in the figure, the ambient temperature atmospheric plasma device 10 provided in this application includes a pulse generator 11 , a gas source 12 , a plasma generator 14 , an extension pipe 16 and a shower head 18 .

The pulse generator 11 is used for generating a high voltage pulse to supply to the plasma generator 14 , and the gas source 12 is used for supplying a gas to the plasma generator 14 . The plasma generator 14 utilizes the high-voltage pulse provided by the pulse generator 11 and the gas provided by the gas source 12 to generate a plasma beam and spray it out.

In one embodiment, the pulse generator 11 is a DC pulse generator, an AC pulse generator or a radio frequency pulse generator. In terms of the waveform of the high-voltage pulse, the high-voltage pulse can be a square wave or a sine wave. In one embodiment, the gas provided by the gas source 12 may be an inert gas or nitrogen, or a mixed gas, such as a mixture of helium and argon, a mixture of helium and oxygen, or a mixture of helium and nitrogen. mixing, etc. In one embodiment, in order to precisely control the gas flow rate to improve the plasma generation effect, in one embodiment, a flow controller 13 may be disposed between the gas source 12 and the plasma generator 14 to control the gas source 12 to supply to the plasma generator 14. The gas flow of the plasma generator 14 .

The plasma generator 14 includes a tube body 141 , a first electrode 142 , a second electrode 143 , a gas inlet 144 and a plasma outlet 145 .

The tube body 141 is made of insulating material (such as glass, quartz, etc.), and has a cavity inside. The first electrode 142 extends into the tube body 141 , and the second electrode 143 is disposed outside the tube body 141 . The gas inlet 144 and the plasma outlet 145 are located at opposite ends of the pipe body 141 .

The gas inlet 144 is connected to the gas source 12 to inject gas into the tube body 141 , and form a gas flow in the tube body 141 to flow toward the plasma outlet 145 . The first electrode 142 and the second electrode 143 are electrically connected to the pulse generator 11 to obtain high-voltage pulses and project them into the tube body 141 to generate atmospheric plasma. Through the flow of the air flow in the tube body 141 , a plasma beam can be generated to be ejected outward from the plasma outlet 145 .

In one embodiment, the first electrode 142 can be a tungsten electrode and is electrically connected to a pulse output terminal HV of the pulse generator 11 . The second electrode 143 can be a copper ring electrode ring disposed on the outside of the tube body 141 and electrically connected to a ground terminal G of the pulse generator 11 . However, it is not limited to this. In other embodiments, the second electrode 143 can also be disposed in the tube body 141 . In other embodiments, the first electrode 142 may be changed to be electrically connected to the ground terminal G, and the second electrode 143 may be electrically connected to the pulse output terminal HV.

The extension tube 16 includes a first end 162 and a second end 164 . The first end 162 is connected to the plasma outlet 145 to receive the plasma beam from the plasma generator 14 . The second end 164 is connected to the showerhead 18 . The extension tube 16 can extend the length of the plasma beam emitted by the plasma outlet 145 . In one embodiment, the extension tube 16 is a flexible extension tube, such as a silicone hose, which is convenient for the user to move the spray head 18 to the position of the skin that needs to be activated.

Please also refer to the second figure. The second figure is an exploded schematic diagram of an embodiment of the spray head 18 in the first figure. As shown in the figures, the spray head 18 includes a housing 180 , a stage 184 and a filter 186 .

The casing 180 includes a cover 182 and a body 183 . The cover 182 has an inlet 1822 connected to the second end 164 of the extension tube 16 for receiving the plasma beam from the plasma generator 14 . The cover 182 is connected to the main body 183 . The main body 183 is formed by combining two parts 183a, 183b to facilitate assembly. The main body 183 has an outlet 1832 at one end away from the cover body 182 . Outlet 1832 is tapered to concentrate free radicals generated within showerhead 18. In one embodiment, a handle 1834 is provided on one side of the main body 183, which is convenient for the user to hold and operate. In one embodiment, the casing 180 (including the cover 182 and the main body 183 ) is made of insulating material (eg, plastic) to avoid affecting the plasma flow.

The carrier 184 is disposed between the inlet 1822 and the outlet 1832 of the housing 180 for carrying the filter 186 . In one embodiment, as shown in the figure, the carrier 184 includes a bearing portion 1842 and a plurality of brackets 1844 (four brackets 1844 are used as an example in the figure). The carrying portion 1842 is used for carrying the filter 186 . The bracket 1844 is connected around the bearing portion 1842 for positioning the bearing portion 1842 in the casing 180 . In one embodiment, the carrier 184 is made of insulating material (eg, plastic). Corresponding to the brackets 1844 , a plurality of grooves 1836 are formed on the inner surface of the body 183 to fix the brackets 1844 . The aforementioned positioning method of the stage 184 in the housing 180 is only one embodiment of the present case, and the present case should not be limited thereto. Other combinations that can position the stage 184 in the housing 180 are also applicable to the present invention.

The plasma beam from the extension tube 16 is projected onto the filter 186 through the inlet 1822 of the housing 180 . The filter 186 is configured to allow a specific wavelength range of light to pass therethrough. In one embodiment, the filter 186 is a band pass filter, such as a red light filter, to filter out red light, such as H-alpha wavelength light, which is helpful for activating hair follicle cells. However, this case is not limited to this. Other types of filters 186 can also be selected for the ambient-temperature atmospheric plasma device 10 to meet the requirements of different applications.

In this embodiment, the stage 184 is fixed in the casing 180 . However, this case is not limited to this. In one embodiment, the carrier 184 can also adopt a removable design. Specifically, the housing 180 can be formed with a side opening at a position corresponding to the stage 184 , so that the user can choose whether to insert the filter 186 to generate red light for skin treatment, or directly use the plasma beam without inserting the filter 186 Perform skin treatment.

In this embodiment, as shown in the figure, the shape of the carrying portion 1842 is substantially the same as the shape of the inner sidewall of the main body 183 to ensure that the plasma beam can be sufficiently projected to the filter 186 to generate red light. However, this case is not limited to this. In one embodiment, a gap may be left between the bearing portion 1842 and the inner sidewall of the body 183 to allow plasma (especially the contained radicals) to pass through. In this way, red light and free radicals can be simultaneously provided at the outlet 1832 of the showerhead 18 .

In this embodiment, the stage 184 is fixed in the casing 180 . However, this case is not limited to this. In one embodiment, the arrangement position of the stage 184 in the housing 180 can be designed in an adjustable manner. For example, the housing 180 may form a plurality of side openings for the user to select the insertion position of the carrier 184 . At different insertion positions, the size of the gap between the carrier 184 and the side wall of the housing 180 is different. In this way, by changing the insertion position of the stage 184 on the casing 180 , the ratio of the red light to the radicals provided at the outlet 1832 of the nozzle 18 can be changed to meet different usage requirements.

In the normal temperature atmospheric plasma device 10 of the present application, the plasma generated by the plasma generator 14 is sprayed out through a nozzle 18, and the nozzle 18 has a filter 186 inside to filter and generate red light. In this way, the free radicals and red light generated by the plasma can be provided at the outlet 1832 of the shower head 18, so as to provide the effects of skin surface treatment and cell activation.

The above are only preferred embodiments of this case, and do not impose any limitations on this case. Any person skilled in the technical field who makes any form of equivalent replacement or modification to the technical means and technical content disclosed in this case, within the scope of the technical means of this case, does not deviate from the content of the technical means of this case. still falls within the scope of protection of this case.

10: Normal temperature atmospheric plasma device

11: Pulse generator

12: Gas source

13: Flow controller

14: Plasma Generator

141: Tube body

142: first electrode

143: Second electrode

144: Gas inlet

145: Plasma Exit

HV: pulse output terminal

G: ground terminal

16: Extension tube

162: First End

164: Second End

18: Nozzle

180: Shell

184: Stage

186: Filter

182: Cover

183: Ontology

1822: Entrance

183a, 183b: Components

1832: Export

1834: Handle

1836: Groove

1842: Bearing Department

1844: Brackets

The first diagram is a schematic diagram of the configuration of an embodiment of the atmospheric plasma device at room temperature in this case; and the second diagram is an exploded diagram of an embodiment of the sprinkler in the first diagram.

18: Nozzle

180: Shell

184: Stage

186: Filter

182: Cover

183: Ontology

1822: Entrance

183a, 183b: Components

1834: Handle

1836: Groove

1842: Bearing Department

1844: Brackets

Claims (10)

A normal temperature atmospheric plasma device, comprising: a pulse generator; a gas source; a plasma generator, including a plasma outlet, the plasma generator obtains a gas from the gas source, and the pulse generator A high-voltage pulse is obtained to generate a plasma beam to be ejected from the plasma outlet; and a shower head includes a casing, a stage and a filter, the casing includes an inlet and an outlet, and the inlet is for receiving the plasma beam from the plasma generator, the stage is disposed between the inlet and the outlet for carrying the filter, and the plasma beam is projected on the filter to generate a The light of H-α wavelength is projected outward from the outlet; wherein, the plasma beam contains free radicals; wherein, there is a gap between the stage and the shell. The atmospheric plasma device at room temperature as claimed in claim 1, wherein the plasma generator comprises a tube body, a first electrode, a second electrode, a gas inlet and the plasma outlet, and the first electrode is extended In the tube body, the second electrode is disposed outside the tube body, the first electrode and the second electrode are electrically connected to the pulse generator to obtain the high-voltage pulse, and the gas inlet is connected to the gas source to Get the gas and inject it into the tube. The room temperature atmospheric plasma device according to claim 1, wherein the filter is a band pass filter. The atmospheric plasma device at room temperature according to claim 1, wherein the filter is a red light filter. The atmospheric plasma device at room temperature as claimed in claim 1, further comprising an extension tube including a first end and a second end, the first end is connected to the plasma outlet, and the second end is connected to the nozzle of the shower head the entrance. The normal temperature atmospheric plasma device according to claim 5, wherein the extension pipe is a silicone hose. The room temperature atmospheric plasma device according to claim 1, wherein the casing and the stage are made of insulating materials. The ambient temperature atmospheric plasma device of claim 1, wherein the housing comprises a cover body and a body, the inlet is located at the cover body, and the outlet is located at an end of the body away from the cover body. The atmospheric plasma device at room temperature according to claim 1, wherein the outlet is tapered. A shower head is suitable for a normal temperature atmospheric plasma device, the normal temperature atmospheric plasma device includes a plasma generator, the shower head comprises: a casing, including an inlet and an outlet, the inlet is used for receiving the plasma from the A plasma beam of the generator; a filter; and a stage disposed between the inlet and the outlet for carrying the filter; wherein the plasma beam is projected on the filter to generate a The light of H-α wavelength is projected outward from the outlet; wherein, the plasma beam contains free radicals; wherein, there is a gap between the stage and the shell.

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