CN211461411U

CN211461411U - Plasma sterilization device with low ozone generation amount

Info

Publication number: CN211461411U
Application number: CN201921849623.0U
Authority: CN
Inventors: 张仁杰; 陈炳祥; 王特锋; 叶建良; 杜旭可
Original assignee: Guangzhou Lanzhilin Technology Co ltd
Current assignee: Guangzhou Lanzhilin Technology Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-09-11
Anticipated expiration: 2029-10-30

Abstract

The embodiment of the utility model discloses plasma sterilizing equipment of low ozone production relates to the sterilization and clarification plant field, including base plate, high pressure production circuit and two carbon brushes, one side interval of base plate is provided with two bellmouths sunken to the base plate opposite side, and two carbon brushes set up in the bottom of two bellmouths one-to-one, and the opposite side of base plate is provided with the plastic shell, and high pressure production circuit encapsulates in the plastic shell, and high pressure positive electrode and the high-pressure negative electrode that high pressure produced the circuit pass through wire and two carbon brushes one-to-one ground electricity connection respectively. The carbon brush with high ion release rate is used for discharging, so that a large amount of positive and negative ions can be generated in the air, and the positive and negative ions have good sterilization effect when being neutralized; through setting up the horn mouth on the base plate, the molding and the size of horn mouth can make the brush fully contact the air to the ionized air produces positive and negative ions, sets up the carbon brush in the horn mouth and can avoid the carbon brush to be touched by the people, improves sterilizing equipment's security.

Description

Plasma sterilization device with low ozone generation amount

Technical Field

The embodiment of the utility model provides a relate to and disinfect and clarification plant field, concretely relates to plasma sterilizing equipment of low ozone production volume.

Background

At present, most of conventional plasma sterilization devices generate ozone through a high-voltage generator in a manner that a high-voltage anode and a high-voltage cathode are close to discharge, and the purpose of sterilization is achieved by utilizing the generated ozone. However, the excessive amount of ozone is a toxic gas, so that the method can only sterilize in an unmanned environment, and causes great limitation to the use of the method.

In the conventional positive and negative ion sterilization device, if an object with high conductivity is close to the positive and negative electrodes at the same time, the positive and negative electrodes can discharge electricity through the conductive object, so that excessive ozone is generated; in order to prevent people from touching the positive and negative electrodes and being electrified, the conventional method is to add an open plastic cover in front of the positive and negative electrodes; due to the limitation of the aperture ratio, the cover can prevent positive and negative ions from releasing into the air, and the sterilization effect is reduced; in addition, in the using process, the cover collects static electricity with the same polarity to form an electric field with the same polarity, so that corresponding positive and negative ions are greatly prevented from being released into the air, and the sterilization effect is greatly reduced.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a plasma sterilizing equipment of low ozone production volume to there is the security poor, the ozone production volume is too big, positive and negative ions are difficult to effectively release and the poor problem of bactericidal effect in the current sterilizing equipment of solution.

In order to realize the above-mentioned purpose, the embodiment of the utility model provides a plasma sterilizing equipment of low ozone production volume, plasma sterilizing equipment of low ozone production volume includes base plate, high pressure production circuit and two carbon brushes, one side interval of base plate is provided with two bellmouth sunken to the base plate opposite side, two the carbon brush one-to-one sets up in the bottom of two bellmouths, the opposite side of base plate is provided with the plastic shell, high pressure production circuit encapsulates in the plastic shell, high pressure positive electrode and the high-pressure negative electrode of high pressure production circuit are respectively through wire and two carbon brushes one-to-one ground electric connection.

Further, the distance between the two bellmouths is larger than or equal to 300 mm.

Further, the opening diameter of two bellmouths is 40mm, and the depth of bellmouth is 40 mm.

Furthermore, two openings of the bell mouth are respectively provided with a cover, each cover comprises an outer ring and an inner ring, the outer ring is connected with the edge of the bell mouth, the inner ring and the outer ring are coaxially arranged, and the inner ring is connected with the outer ring through two or three connecting rods.

Furthermore, the surfaces of the outer ring, the inner ring and the connecting rod are coated with insulating materials.

Further, the material of the insulating material is UV.

The embodiment of the utility model provides a have following advantage:

1. the utility model discloses plasma sterilizing equipment of low ozone production volume produces the high-voltage electricity through high-pressure generating circuit, discharges through using the higher carbon brush of ion release rate, can produce a large amount of positive and negative ions in the air, has fine bactericidal action when positive and negative ions neutralize.

2. The plasma sterilization device with low ozone generation amount provided by the embodiment of the utility model has the advantages that the horn mouth is arranged on the substrate, the hairbrush can be fully contacted with the air due to the shape and the size of the horn mouth, so that the ionized air generates positive and negative ions, the carbon brush is arranged in the horn mouth, the carbon brush can be prevented from being touched by people, and the safety of the sterilization device is improved; because the distance between the two bell mouths is more than or equal to 300mm, the excessive ozone can be avoided; the depth of the bell mouths can ensure that when an object with high conductivity is close to the openings of the two bell mouths, excessive ozone can not be generated.

3. The plasma sterilization device with low ozone generation amount provided by the embodiment of the utility model has the advantages that the cover is arranged at the opening of the bell mouth, so that the carbon brush can be further prevented from being touched by people, and the blocking to the release of positive and negative ions is reduced due to the higher aperture ratio of the cover; by coating the insulating materials on the surfaces of the outer ring, the inner ring and the connecting rod, the accumulation of static electricity can be reduced, and the blocking of the cover to the release of positive and negative ions is further reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic top view of a plasma sterilization apparatus with low ozone generation amount according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of a plasma sterilization apparatus with low ozone generation according to an embodiment of the present invention;

fig. 3 is a schematic view of a partial enlarged structure of a plasma sterilization apparatus with low ozone generation amount according to an embodiment of the present invention.

Description of reference numerals: 10. a substrate; 11. a bell mouth; 12. a plastic shell; 13. a cover; 20. a carbon brush.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 and 2, the plasma sterilization apparatus with low ozone generation amount comprises a substrate 10, a high voltage generation circuit and two carbon brushes 20, wherein the substrate 10 is used for providing a mounting base for the high voltage generation circuit and the carbon brushes 20, as shown in fig. 3, two bellmouths 11 recessed towards the other side of the substrate 10 are arranged at intervals on one side of the substrate 10, and the two carbon brushes 20 are arranged at the bottoms of the two bellmouths 11 in a one-to-one correspondence manner, wherein the distance between the two bellmouths 11 is equal to 300mm in the embodiment, and because the distance between the two bellmouths 11 is large, the generation of excessive ozone (the excessive ozone generally means that the excessive ozone exceeds the safety standard specified by the national standard-0.01 mg/m)³) Of course, the distance between the two bellmouths 11 can be larger than 300mm, the opening diameters of the two bellmouths 11 are 40mm, and the depth of the bellmouth 11 is 40mm, so that the phenomenon of discharge between the high-voltage anode and the high-voltage cathode caused by the presence of an object with high conductivity nearby can be avoided, and the generation of excessive ozone can be avoided (when the same object with high conductivity is close to the high-voltage anode and the high-voltage cathode, the high-voltage anode and the high-voltage cathode can discharge through the conductive object, so that ozone is generated). The shape and the size of the bell mouth 11 can ensure that the brush can fully contact the air, so that the air is ionized to generate positive and negative ions, the carbon brush 20 is arranged in the bell mouth 11, the carbon brush 20 can be prevented from being touched by people, and the safety of the sterilization device is improved; since the distance between the two bell mouths 11 is greater than or equal to 300mm, the generation of excessive ozone can be avoided. The other side of the substrate 10 is provided with a plastic shell 12, the high voltage generating circuit is packaged in the plastic shell 12, the package can be performed by epoxy resin filling, and internal high voltage discharge can be avoided through the package, so that the stability and the safety are improved. The high-voltage positive electrode and the high-voltage negative electrode of the high-voltage generating circuit are electrically connected with the two carbon brushes 20 in a one-to-one correspondence manner through leads respectively, and the high-voltage generating circuit can generate 15KV high voltage when workingBecause the high voltage generating circuit adopts the discharge circuit of the existing sterilization device, therefore, the detailed description is not repeated, the carbon brush 20 is exposed by 3mm from the bottom of the bell mouth 11, the positive ions and the negative ions generated after the carbon brush 20 is electrified can be diffused into the air through the electric field force and the diffusion movement, and the positive ions and the negative ions can generate energy through neutralization in the air, thereby achieving the purpose of sterilization.

Further, the openings of the two bell mouths 11 are respectively provided with a cover 13, each cover 13 comprises an outer ring and an inner ring, the outer ring is connected with the edge of the bell mouth 11, the inner ring and the outer ring are coaxially arranged, the inner ring is connected with the outer ring through three connecting rods, of course, the two connecting rods can be used for connection, so that the passing rate of gas is guaranteed, the surfaces of the outer ring, the inner ring and the connecting rods are coated with insulating materials, and the insulating materials are made of UV in the embodiment. The cover 13 is arranged at the opening of the bell mouth 11, so that the carbon brush 20 can be further prevented from being touched by people, and the blocking to the release of positive and negative ions is reduced due to the high aperture ratio of the cover 13; by coating the surfaces of the outer ring, the inner ring and the connecting rod with insulating materials, the accumulation of static electricity can be reduced, and the blocking of the cover 13 to the release of positive and negative ions is further reduced.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a plasma sterilizing equipment of low ozone production volume, its characterized in that, plasma sterilizing equipment of low ozone production volume includes base plate, high pressure production circuit and two carbon brushes, one side interval of base plate is provided with two bellmouth sunken to the base plate opposite side, two the carbon brush one-to-one sets up in the bottom of two bellmouths, the opposite side of base plate is provided with the plastic casing, high pressure production circuit encapsulates in the plastic casing, high pressure positive electrode and the high-pressure negative electrode of high pressure production circuit are through wire and two carbon brushes one-to-one ground electricity connection respectively.

2. The low ozone generating plasma sterilizer of claim 1, wherein the distance between the two bellmouths is greater than or equal to 300 mm.

3. The plasma sterilization apparatus with low ozone generation amount according to claim 1 or 2, wherein the opening diameters of the two bell mouths are 40mm, and the depth of the bell mouth is 40 mm.

4. The plasma sterilization device with low ozone generation amount according to claim 3, wherein two openings of the bell mouth are respectively provided with a cover, the cover comprises an outer ring and an inner ring, the outer ring is connected with the edge of the bell mouth, the inner ring and the outer ring are coaxially arranged, and the inner ring is connected with the outer ring through two or three connecting rods.

5. The plasma sterilization apparatus with low ozone generation amount according to claim 4, wherein the surfaces of the outer ring, the inner ring and the connecting rod are coated with an insulating material.

6. The plasma sterilizer with low ozone generation amount according to claim 5, wherein the insulating material is UV.