TW202203985A - Portable plasma disinfection device - Google Patents

Abstract

A portable plasma disinfection device includes a box, a plasma generating element, a fan assembly, at least one holder, at least one box concentration detection element, and a control module. The box has an accommodating space and an exhaust port connected to the accommodating space. The plasma generating element is set on the accommodating space for producing ozone through plasma. The fan assembly includes a fan frame and a fan. The fan frame is covered with the plasma generating element, and has at least one side air outlet. The fan is fixed to the fan frame to generate an air flow, so that the air flow drives ozone to flow to the side air outlet. The holder is used to take at least one object in the accommodating space. The box concentration detection element is used to detect the ozone concentration and generate at least one of ozone concentration signal. The control module controls the ozone generating element operation according to the ozone concentration signal.

Description

Portable plasma disinfection and sterilization device

The present invention relates to a portable plasma sterilization and sterilization device, in particular to a portable plasma sterilization and sterilization device that utilizes plasma to generate ozone and makes the circulating ozone sterilize and sterilize objects to be sterilized.

Generally speaking, most people usually wear masks to prevent the spread of the virus from person to person when they have respiratory diseases themselves or when they may come into contact with patients with respiratory diseases. In daily life, some people wear masks to filter the air they breathe in order to avoid inhaling pollutants or tiny particles in the air, especially those who ride motorcycles or walk on the road. Exhaust gas from vehicles.

As mentioned above, because masks use filtering to prevent users from inhaling pollutants, tiny particles or viruses, most of the masks on the market are disposable masks, so most people are accustomed to replacing masks from time to time. Avoid repeated pollution; however, when a major infectious disease occurs in the world, not only disposable masks will face a crisis of out-of-stock, but even reusable masks are often in short supply, so how to increase the use period of disposable masks or improve repeatability The hygienic conditions of sexual masks are an urgent problem to be solved.

In view of the fact that in the prior art, when a major infectious disease occurs in the world, the supply of masks often exceeds the demand, so it is necessary to solve the problem of how to increase the service life of disposable masks or improve the hygienic conditions of repetitive masks; The main purpose of the present invention is to provide a portable plasma disinfection and sterilization device, which can effectively use the ozone generated by the plasma to disinfect and sterilize the mask.

In order to solve the problems of the prior art, the necessary technical means adopted by the present invention is to provide a portable plasma disinfection and sterilization device, which is used for sterilizing at least one object to be sterilized and sterilized. The portable plasma disinfection and sterilization device includes: A box body, a plasma generating element, a fan assembly, at least one shelf, a plurality of concentration detection elements in the box and a control module.

The box body has an accommodating space and an exhaust port, and the exhaust port is communicated with one end of the accommodating space. The plasma generating element is arranged at the other end of the accommodating space opposite to the exhaust port, and is used for generating a plasma and generating an ozone through the plasma.

The fan assembly includes a fan frame and a fan. The fan frame is arranged at the other end of the accommodating space opposite to the air outlet, and is covered on the plasma generating element, and the fan frame is provided with an air outlet on at least one side. The fan is fixed on the fan frame and used to generate an air flow away from the air outlet and toward the plasma generating element, so that the air flow drives the ozone to flow to the air outlet on at least one side. At least one rack is arranged in the accommodating space and used for receiving at least one object to be sterilized and sterilized.

A plurality of concentration detection elements in the box are arranged in the exhaust port and the accommodating space for detecting ozone concentration and generating a plurality of ozone concentration signals. The control module is electrically connected to the concentration detecting element and the plasma generating element in the box, for receiving the ozone concentration signal, and controlling the operation of the plasma generating element according to the ozone concentration signal.

In an auxiliary technical means derived from the above-mentioned necessary technical means, the portable plasma disinfection and sterilization device further includes an ozone collecting element disposed adjacent to the exhaust port for collecting the ozone discharged from the exhaust port.

In an auxiliary technical means derived from the above-mentioned necessary technical means, the control module includes an ozone concentration judging unit and a driving unit. The ozone concentration judging unit is electrically connected to the concentration detection element in at least one box, and has a built-in ozone concentration preset value, and the ozone concentration judging unit is used for receiving the ozone concentration signal, and when judging that the ozone concentration is lower than the ozone concentration When the default value is set, an activation signal is sent. The driving unit is electrically connected to the ozone concentration judging unit and the plasma generating element, and is used for sending an ozone generating signal to the plasma generating element according to the activation signal.

Preferably, the portable plasma disinfection and sterilization device further includes an exhaust valve, the exhaust valve is arranged at the exhaust port, and the control module further includes an exhaust valve control element, and the exhaust valve control element is electrical Connected to the drive unit, the drive unit further sends an exhaust valve control signal to the exhaust valve control element according to the activation signal, so that the exhaust valve control element opens and closes according to the exhaust valve control signal. In addition, the portable plasma disinfection and sterilization device further includes an intake valve, the intake valve is disposed in the box body, and the control module further includes an intake valve control element, and the intake valve control element is electrically connected to the drive The drive unit further sends an intake valve control signal to the intake valve control element according to the activation signal, so that the intake valve control element is opened and closed according to the intake valve control signal.

In an auxiliary technical means derived from the above-mentioned necessary technical means, the box body further includes a spoiler element, and the spoiler element is arranged in the accommodating space and extends from the exhaust port toward the fan assembly.

As mentioned above, the portable plasma disinfection and sterilization device of the present invention is mainly provided with a plasma generating element and a fan assembly in the accommodating space relative to the exhaust port to the other end, so as to utilize the electricity generated by the plasma generating element Ozone is produced by the slurry, and since the fan of the fan assembly is farther away from the exhaust port to generate air flow toward the plasma generating element, when the airflow of the fan flows to the plasma generating element, the airflow can flow in the direction away from the exhaust port. The speed of ozone loss from the exhaust port is effectively reduced, thereby relatively increasing the time and concentration of ozone to sterilize the objects to be sterilized in the accommodating space.

The specific embodiments adopted by the present invention will be further described by the following embodiments and drawings.

Please refer to the first to fourth figures. The first figure shows a three-dimensional schematic diagram of the portable plasma disinfection and sterilization device provided by the preferred embodiment of the present invention when the box door is opened; the second figure shows the preferred embodiment of the present invention. The three-dimensional schematic diagram of the portable plasma disinfection and sterilization device provided by the embodiment when the box door is closed; the third figure is the AA cross-sectional schematic diagram of the second figure; the fourth figure is the preferred embodiment of the present invention. System schematic diagram of the control module of the portable plasma disinfection and sterilization device.

As shown in the first to fourth figures, a portable plasma disinfection and sterilization device 100 includes a box body 1, a plasma generating element 2, a fan assembly 3, a shelf 4, and a concentration detection in the box Element 5 , an outlet concentration detection element 6 , an intake valve 7 , an exhaust valve 8 , an ozone collection element 9 and a control module 10 .

The box 1 includes a container body 11 and a box door 12 . The container body 11 includes a bottom plate 111 , three side plates 112 , 113 and 114 , a top plate 115 and a spoiler element 116 . The three side plates 112 , 113 and 114 are respectively integrally formed extending from the bottom plate 111 along a first direction D1 , and two sides of the side plate 113 are more integrally connected to the side plates 112 and 114 , and the top plate 115 is integrally formed and connected On the three side plates 112 , 113 and 114 , the bottom plate 111 , the three side plates 112 , 113 and 114 and the top plate 115 define an accommodating space S.

In addition, the top plate 115 is provided with an exhaust port 1151, and the spoiler element 116 extends from the inner wall of the top plate 115 to the accommodating space S along a second direction D2 opposite to the first direction D1, and the spoiler element 116 is further It is communicated with the exhaust port 1151 and the accommodating space S, so that the exhaust port 1151 is communicated with one end of the accommodating space S.

The plasma generating element 2 is provided with the bottom plate 111 and is located at the other end of the accommodating space S opposite to the exhaust port 1151 for generating a plasma, so as to use the plasma to break the oxygen molecular bonds in the air to form oxygen atoms , and the oxygen atom will combine with oxygen to form an ozone. The plasma generating element 2 is, for example, a diffused coplanar surface barrier discharge (DCSBD) element. In practice, the plasma generating element 2 is formed by, for example, two electrodes (not shown in the figure) arranged on a carrier (not shown in the figure) spaced apart from each other, and the carrier is, for example, glass. , a plasma is generated between the two electrodes. In addition, the materials of the above two electrodes actually include, for example, copper (Cu), aluminum oxide, indium tin oxide (ITO), indium zinc oxide (IZO), indium gallium zinc oxide (IGZO), titanium or tantalum.

The fan assembly 3 includes a fan frame 31 and a fan 32 . The fan frame 31 is disposed at the other end of the accommodating space S opposite to the exhaust port 1151 , and is covered by the plasma generating element 2 , and the turbulent element 116 further extends toward the fan assembly 3 . In the present embodiment, the fan frame 31 is fixed to the bottom plate 111 and faces the air outlet 1151 , and the fan frame 31 is provided with four side air outlets 311 (only one is marked in the figure), and the four side air outlets 311 are The air outlet 311 faces the side panels 112 , 113 and 114 and the box door 12 respectively. The fan 32 is fixed on the top of the fan frame 31 and is correspondingly located between the exhaust port 1151 and the plasma generating element 2 , so as to generate a fan away from the exhaust port 1151 and facing the plasma generating element 2 along the second direction D2. The airflow (not shown in the figure), so that the airflow drives the ozone produced by the plasma generating element 2 to flow to the side air outlet 311 along a third direction D3 perpendicular to the first direction D1 and the second direction D2; The side air outlets 311 face the side panels 112 , 113 and 114 and the box door 12 respectively. Therefore, when the airflow generated by the fan 32 blows toward the plasma generating element 2 , it will be scattered along the bottom plate 111 , and then pass through four The side air outlet 311 flows toward the side panels 112 , 113 and 114 and the box door 12 respectively, and when the airflow flows to the side panels 112 , 113 and 114 and the box door 12 , it will continue to flow along the side panels 112 , 113 and 114 and the box door 12 . It flows along the first direction D1, and then circulates in the entire accommodating space S. In addition, after the airflow flows along the side panels 112 , 113 and 114 and the box door 12 to the top panel 115 along the first direction D1 , the airflow will flow along the top panel 115 to the exhaust port 1151 . The exhaust port 1151 of the top plate 115 is integrally formed and extends toward the fan assembly 3 along the second direction D2. Therefore, the airflow flowing to the exhaust port 1151 will be guided by the spoiler element 116 and flow along the second direction D2, thereby allowing ozone to flow throughout the entire container. Circulating flow in the set space S.

The rack 4 is disposed in the accommodating space S, and is used for hanging a plurality of objects 200 to be sterilized and sterilized (only one is indicated in the figure, and three are shown). In this embodiment, the rack 4 is detachably fastened to the support structures 1121 and 1141, and the object to be sterilized 200 is, for example, a mask, whereby the rack 4 can be used to support the object 200 to be sterilized and sterilized The sterilization object 200 is suspended in the accommodating space S and disposed in the accommodating space S. In addition, although in this embodiment, the rack 4 is used to wear the ear strap of the mask of the object to be sterilized 200, but in other embodiments, it is not limited to this, and the rack 4 can also be provided with hooks to hook Wear the ear straps of the mask, and the object to be sterilized 200 can also be other objects that need to be sterilized, such as gloves, mobile phones, clothing or tableware, etc., and the user can choose a suitable one according to the appearance and structure of the object to be sterilized 200 The structure of the rack 4.

The concentration detecting element 5 in the box is arranged in the accommodating space S, and the concentration detecting element 6 at the outlet is arranged in the exhaust port 1151 . In this embodiment, the concentration detecting element 5 in the box and the concentration detecting element 6 at the outlet are both used to detect the ozone concentration, and the concentration detecting element 5 in the box is fixed on the inner wall of the side plate 112 and disposed in the accommodating space In the S, it is used to detect the ozone concentration in the accommodating space S to generate an ozone concentration signal 51; An ozone concentration signal 61 is generated.

Continuing from the above, since the plasma generated by the plasma generating element 2 will be driven by the airflow generated by the fan assembly 3 and dispersed into the entire accommodating space S, it can effectively sterilize the storage racks 4 to be sterilized. The sterilization object 200 is sterilized; however, since the oxygen in the air may be decomposed into negatively charged oxygen ions due to the plasma, and the combination of the oxygen ions and the oxygen will further generate ozone, therefore, in the accommodating space filled with plasma Ozone is likely to be generated in S. Although ozone can also be used for sterilization, high concentrations of ozone may cause harm to the human body. Therefore, in this embodiment, the concentration detection element 5 in the box and the outlet concentration detection element 6 are used to detect Monitor the concentration of ozone.

The intake valve 7 is arranged on the casing 1. In this embodiment, the intake valve 7 is arranged on the side plate 113, and is controlled to communicate the outside air to the accommodating space S. The exhaust valve 8 is provided at the exhaust port 1151, and is controlled so that the accommodating space S communicates with the outside air. The ozone collecting element 9 is disposed on the outside of the box body 1 adjacent to the exhaust port 1151 alternately, and is used to collect the ozone discharged from the exhaust port 1151 to prevent the ozone from being directly discharged from the exhaust port 1151 to the portable plasma disinfection. around the sterilization device 100 to be sucked by the user.

The control module 10 includes an ozone concentration determination unit 101 and a control unit 102 . The ozone concentration determination unit 101 is electrically connected to the concentration detection element 5 in the box and the outlet concentration detection element 6 for receiving the ozone concentration signals 51 and 61, and has a built-in ozone concentration preset value, and the ozone concentration determination unit 101 determines whether the ozone concentration is lower than a preset value of the ozone concentration according to the ozone concentration signals 51 and 61, and sends an activation signal 1011 when the ozone concentration is lower than the preset value. The control unit 102 is electrically connected to the ozone concentration judging unit 101 and the plasma generating element 2 , and is used for increasing an intake air reduction signal 1021 , an exhaust air reduction signal 1022 , an ozone generation signal 1023 and a pair of current enhancement signals according to the activation signal 1011 The signal 1024 is respectively sent to the intake valve 7, the exhaust valve 8, the plasma generating element 2 and the fan 32, so that the intake valve 7 operates according to the intake reduction signal 1021 to reduce the amount of entering the accommodating space S through the intake valve 7. air, so that the exhaust valve 8 operates according to the exhaust reduction signal 1022 to reduce the air discharged into the accommodating space S through the exhaust valve 8, so that the plasma generating element 2 generates a large amount of ozone, and the rotation speed of the fan 32 is increased to The circulating flow of the airflow in the accommodating space S is accelerated, so that the ozone generated by the plasma generating element 2 can be effectively and uniformly dispersed in various positions in the accommodating space S.

To sum up, compared with the prior art, there is no effective way to extend the service life of disposable masks or improve the hygienic conditions of repetitive masks. Therefore, when a major infectious disease occurs, the shortage of masks often occurs; however, due to this In the portable plasma disinfection and sterilization device of the invention, a plasma generating element and a fan assembly are arranged in the accommodating space relative to the exhaust port to the other end, and the fan of the fan assembly is further away from the exhaust port and faces the plasma generating element. Generate airflow, so when the airflow of the fan flows to the plasma generating element, the airflow can flow in the direction away from the exhaust port to effectively reduce the speed of ozone loss from the exhaust port, thereby relatively increasing the ozone in the accommodating space. The time and concentration for sterilizing and sterilizing the object to be sterilized, whereby the present invention can not only effectively sterilize the object to be sterilized and sterilized to extend the service life of the object to be sterilized and sterilized, but also can prevent the repeated sterilization of the object to be sterilized. Sterilization objects are sterilized to ensure hygienic conditions for repetitive objects to be sterilized without causing repeated infections.

Through the detailed description of the preferred embodiments above, it is hoped that the features and spirit of the present invention can be described more clearly, and the scope of the present invention is not limited by the preferred embodiments disclosed above. On the contrary, the intention is to cover various modifications and equivalent arrangements within the scope of the claimed scope of the present invention.

100: Portable plasma disinfection and sterilization device 1: Box 11: Container body 111: Bottom plate 112, 113, 114: Side panels 1121: Bracket Structure 1141: Bracket Structure 115: Top Plate 1151: exhaust port 116: spoiler element 12: Box door 2: Plasma generating element 3: Fan assembly 31: Fan Rack 311: Side air outlet 32: Fan 4: Shelf 5: Concentration detection element in the box 51: Ozone concentration signal 6: Outlet concentration detection element 61: Ozone concentration signal 7: Intake valve 8: Exhaust valve 9: Ozone collection element 10: Control module 101: Ozone concentration judgment unit 1011: start signal 102: Control unit 1021: Intake reduction signal 1022: exhaust reduction signal 1023: Ozone production signal 1024: Convection Enhanced Signal 200: Objects to be sterilized D1: first direction D2: Second direction D3: third direction S: accommodating space

The first figure is a three-dimensional schematic diagram of the portable plasma disinfection and sterilization device provided by the preferred embodiment of the present invention when the box door is opened; The second figure shows a three-dimensional schematic diagram of the portable plasma disinfection and sterilization device provided by the preferred embodiment of the present invention when the box door is closed; The third figure is a schematic cross-sectional view of A-A of the second figure; and Figure 4 is a system schematic diagram of the control module of the portable plasma disinfection and sterilization device provided by the preferred embodiment of the present invention.

100: Portable plasma disinfection and sterilization device

111: Bottom plate

112, 113, 114: Side panels

1121: Bracket Structure

1141: Bracket Structure

115: Top Plate

1151: exhaust port

116: spoiler element

2: Plasma generating element

31: Fan Rack

311: Side air outlet

32: Fan

5: Concentration detection element in the box

6: Outlet concentration detection element

7: Intake valve

8: Exhaust valve

9: Ozone collection element

200: Objects to be sterilized

D1: first direction

D2: Second direction

D3: third direction

S: accommodating space

Claims (6)

A portable plasma sterilization and sterilization device is used to sterilize at least one object to be sterilized and sterilized. The portable plasma sterilization and sterilization device comprises: a box body, which has an accommodating space and an exhaust port, and the exhaust port is connected to one end of the accommodating space; a plasma generating element disposed at the other end of the accommodating space opposite to the exhaust port for generating a plasma and generating an ozone through the plasma; a fan assembly, comprising: a fan frame, the cover is disposed on the plasma generating element, and the fan frame is provided with at least one side air outlet; and a fan fixed to the fan frame for generating an airflow away from the exhaust port and toward the plasma generating element, so that the airflow drives the ozone to flow toward the at least one side air outlet; at least one storage rack is arranged in the accommodating space and used for receiving the at least one object to be sterilized; At least one concentration detection element in the box is disposed in the accommodating space for detecting the concentration of the ozone to generate at least one ozone concentration signal; and A control module is electrically connected to the at least one concentration detecting element in the box and the plasma generating element, for receiving the at least one ozone concentration signal, and controlling the plasma generating element according to the at least one ozone concentration signal operate. The portable plasma disinfection and sterilization device as claimed in claim 1, further comprising an ozone collecting element disposed adjacent to the exhaust port for collecting the ozone discharged from the exhaust port. The portable plasma disinfection and sterilization device according to claim 1, wherein the control module comprises: An ozone concentration judging unit is electrically connected to the at least one concentration detection element in the box, and has a built-in ozone concentration preset value, and the ozone concentration judging unit is used for receiving the at least one ozone concentration signal, and in the Sending an activation signal when judging that the concentration of the ozone is lower than the preset value of the ozone concentration; and A driving unit is electrically connected to the ozone concentration judging unit and the plasma generating element, and is used for sending an ozone generating signal to the plasma generating element according to the activation signal. The portable plasma disinfection and sterilization device as claimed in claim 3, further comprising an exhaust valve, the exhaust valve is disposed at the exhaust port, and the control module further includes an exhaust valve control element, the The exhaust valve control element is electrically connected to the drive unit, and the drive unit further sends an exhaust valve control signal to the exhaust valve control element according to the activation signal, so as to make the exhaust valve control element operate according to the exhaust valve Control signal on and off. The portable plasma disinfection and sterilization device as claimed in claim 4, further comprising an intake valve, the intake valve is disposed in the box, and the control module further includes an intake valve control element, the intake valve The valve control element is electrically connected to the drive unit, and the drive unit further sends an intake valve control signal to the intake valve control element according to the activation signal, so that the intake valve control element is controlled according to the intake valve Signal on and off. The portable plasma disinfection and sterilization device according to claim 1, wherein the box body further comprises a spoiler element, and the spoiler element is disposed in the accommodating space and directed toward the fan assembly from the exhaust port extend.

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