CN211096281U - Plasma low-temperature sterilization device - Google Patents
Plasma low-temperature sterilization device Download PDFInfo
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- CN211096281U CN211096281U CN201921623320.7U CN201921623320U CN211096281U CN 211096281 U CN211096281 U CN 211096281U CN 201921623320 U CN201921623320 U CN 201921623320U CN 211096281 U CN211096281 U CN 211096281U
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- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The utility model discloses a plasma low temperature sterilization apparatus belongs to plasma equipment field. Comprises a disinfection cabin and a working cabin; a low-temperature plasma generator and an air compressor are arranged in the working bin; the low-temperature plasma generator comprises an insulating shell, a negative ion generating plate and a positive ion generating plate; a purification layer is arranged between the air compressor and the low-temperature plasma generator; the device firstly sterilizes and filters air, and then decomposes the air into negatively charged ions through low-temperature plasma to sterilize and disinfect the surface of the medical instrument; the negative ions are fed up and down in the disinfection bin to form convection, so that the contact area between the negative ion air and the surface of the medical instrument can be increased, and the disinfection efficiency is improved; the storage rack is distributed in a multilayer staggered manner, so that the contact area is further increased, and disinfection and sterilization are promoted.
Description
Technical Field
The utility model relates to a plasma equipment field, concretely relates to plasma low temperature sterilization apparatus.
Background
The application of plasma in sterilization is more and more extensive, especially in the medical field. A large amount of ultraviolet rays generated in the plasma formation process directly destroy the genetic materials of microorganisms; the inherent photolysis of the ultraviolet photons breaks the chemical bonds of the microbial molecules, and finally volatile compounds such as CO and CHx are generated; through the etching effect of plasma, namely, active substances in the plasma and the whitening and nucleic acid in the microorganism body are subjected to chemical reaction, the microorganisms can be destroyed and the survival function of the microorganisms can be disturbed, the plasma is excited by utilizing the mixed gas, and the sterilization and disinfection effect of the plasma is better than that of single neutral gas. The air contains a large amount of oxygen, nitrogen and other rare gases, so that the sterilization effect by air plasma is good.
The plasma disinfection of the medical equipment has short time and thorough disinfection, but the disinfection of the existing medical instruments is mainly realized by adding disinfectant for decomposition and disinfection, and the medical instruments are easily accumulated in a disinfection vessel, so that the comprehensive disinfection cannot be realized.
SUMMERY OF THE UTILITY MODEL
The utility model provides a plasma low-temperature sterilization device which can comprehensively sterilize medical instruments and is quick.
In order to achieve the above purpose, the present invention is realized by the following technical solutions:
a low-temperature plasma sterilization device comprises a shell, wherein the shell comprises an upper sterilization bin and a lower working bin, and a low-temperature plasma generator and an air compressor are arranged in the working bin; the low-temperature plasma generator comprises an insulating shell, a negative ion generating plate and a positive ion generating plate, wherein the positive ion generating plate is a hollow cylinder, the negative ion generating plate is arranged in the center of the positive ion generating plate, and a gas channel is formed between the positive ion generating plate and the negative ion generating plate; a purification layer is arranged between the air compressor and the low-temperature plasma generator, the purification layer is connected with a gas outlet of the air compressor, and a nylon mesh primary filter layer, a glass fiber layer and an activated carbon layer are sequentially arranged on the purification layer along the gas flow direction; a gas buffer bin is arranged between the disinfection bin and the working bin, a first induced draft fan and a second induced draft fan are arranged in the gas buffer bin, and an inlet of the first induced draft fan is connected with a gas channel of the low-temperature plasma generator; an outlet of the first induced draft fan is communicated with the gas buffer bin; the second induced draft fan is arranged at the upper part of the gas buffer bin, an outlet of the second induced draft fan is connected with a first gas outlet and a second gas outlet, the first gas outlet is arranged at the bottom of the gas buffer bin, and the second gas outlet is arranged at the top of the gas buffer bin; the gas of the first gas outlet and the gas of the second gas outlet are mutually in convection; and a storage rack and a gas exhaust port are arranged in the disinfection bin, and a third draught fan is arranged at the exhaust port.
Furthermore, the article placing frames are arranged in an up-and-down layered mode, and the width of each article placing frame is 1/2-2/3 of the width of the disinfection bin.
Further, be equipped with on the disinfection storehouse with the mutual multilayer litter that corresponds of supporter, the supporter bottom be equipped with the pulley of litter inter-complex, the supporter in sliding operation on the litter.
Furthermore, two adjacent article holders are distributed in a staggered mode.
Furthermore, the negative ion generating plate and the positive ion generating plate are both connected with a power supply.
Furthermore, the insulating housing is arranged outside the negative ion generating plate and the positive ion generating plate, two ends of the insulating housing are respectively provided with a gas inlet and a gas outlet, and the gas inlet and the gas outlet are respectively corresponding to the gas channel.
The utility model discloses plasma low temperature sterilization apparatus, its beneficial effect lies in:
(1) sterilizing and filtering the air, and decomposing the air into negatively charged ions by low-temperature plasma to sterilize and disinfect the surface of the medical instrument;
(2) the negative ions are charged up and down in the disinfection cabin to form convection, so that the contact area between the negative ions and the surface of the medical instrument can be increased, and the disinfection efficiency is improved.
(3) The storage rack is distributed in a multilayer staggered manner, so that the contact area is further increased, and disinfection and sterilization are promoted.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the structure of the low temperature plasma generator;
FIG. 3 is a schematic cross-sectional view of a low temperature plasma generator;
FIG. 4 is a schematic view of a purification layer;
FIG. 5 is a schematic view of a shelf;
1-a shell, 2 a disinfection bin, 3 a working bin, 4 a low-temperature plasma generator, 5 an air compressor, 6 an insulating shell, 7 a negative ion generating plate, 8 a positive ion generating plate, 9 a gas channel and 10 a purification layer; 11 gas buffer bins, 12 first induced draft fans, 13 second induced draft fans, 14 third induced draft fans, 15 first gas outlets and 16 second gas outlets; 17 rack, 18 exhaust; 19 slide rod, 20 pulley.
101 nylon net primary filter layer, 102 glass fiber layer, 103 activated carbon layer.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments and accompanying drawings.
A low-temperature plasma sterilization device is shown in figures 1-5 and comprises a shell 1, wherein the shell 1 comprises an upper sterilization bin 2 and a lower working bin 3, and a low-temperature plasma generator 4 and an air compressor 5 are arranged in the working bin 3; the low-temperature plasma generator 4 comprises an insulating shell 6, a negative ion generating plate 7 and a positive ion generating plate 8, wherein the positive ion generating plate 8 is a hollow cylinder, the negative ion generating plate 7 is arranged at the center of the positive ion generating plate 8, and a gas channel 9 is arranged between the positive ion generating plate 8 and the negative ion generating plate 7; a purification layer 10 is arranged between the air compressor 5 and the low-temperature plasma generator 4, the purification layer 10 is connected with a gas outlet of the air compressor 5, and the purification layer 10 is sequentially provided with a nylon mesh primary filter layer 101, a glass fiber layer 102 and an activated carbon layer 103 along the gas flow direction; a gas buffer bin 11 is arranged between the disinfection bin 2 and the working bin 3, a first induced draft fan 12 and a second induced draft fan 13 are arranged in the gas buffer bin 11, and the inlet of the first induced draft fan 12 is connected with a gas channel 9 of the low-temperature plasma generator 4; the outlet of the first induced draft fan 12 is communicated with the gas buffer bin 11; the second induced draft fan 13 is arranged at the upper part of the gas buffer bin 11, the outlet of the second induced draft fan 13 is connected with a plurality of first gas outlets 15 and a plurality of second gas outlets 16, the first gas outlets 15 are arranged at the bottom of the gas buffer bin 11, and the second gas outlets 16 are arranged at the top of the gas buffer bin 11; the gases of the first outlet 15 and the second outlet 16 are in convection with each other; the disinfection chamber 2 is internally provided with a shelf 17 and a gas exhaust port 18, the shelf 17 is arranged in a plurality of layers, the width of each shelf 17 is 1/2 of the width of the disinfection chamber 2, the disinfection chamber 2 is provided with a plurality of layers of slide rods 19 corresponding to the shelf 17, the bottom of the shelf 17 is provided with a pulley 20 matched with the slide rods 19, and the shelf 17 slides on the slide rods 19; two adjacent article placing frames 17 are distributed in a staggered way; the slide rod 19 can be welded or detachably connected in the shell 1; the detachable device can be fixed on the shell 1 through screws and can be detached through the screws; according to the situation, object shelf 17 is moved, and the position of object shelf 17 is adjusted to increase the contact area. And a third induced draft fan 14 is arranged at the exhaust port 18. The insulating shell 6 is arranged outside the negative ion generating plate 7 and the positive ion generating plate 8, the two ends of the insulating shell 6 are respectively provided with a gas inlet and a gas outlet, and the gas inlet and the gas outlet are respectively corresponding to the gas channel 9; the air is collected by the air compressor 5, and is filtered by the purification layer 10 to obtain clean air, and the clean air enters the gas channel 9 of the low-temperature plasma generator 4 through a gas inlet, and the negative ion generation plate 7 and the positive ion generation plate 8 are both connected with a low-frequency high-voltage power supply; 220V alternating current is subjected to low-frequency filtering and low-frequency boosting to obtain a low-frequency high-voltage power supply, and air is enabled to generate plasma through a corona discharge point. The air of taking the negative electricity collects and stops in the gas outlet flow direction gas surge bin 11 through the absorption of first draught fan 12, and rethread second draught fan 13 drainage with higher speed makes the air of taking the anion flow out from first gas outlet 15 and second gas outlet 16 respectively, and the air convection current increases area of contact each other. After completion of the adsorption, the gas is discharged through the gas discharge port 18.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the description should not be construed as a limitation to the present invention.
Claims (6)
1. A plasma low temperature sterilization device which is characterized in that: the device comprises a shell, wherein the shell comprises an upper disinfection cabin and a lower working cabin, and a low-temperature plasma generator and an air compressor are arranged in the working cabin; the low-temperature plasma generator comprises an insulating shell, a negative ion generating plate and a positive ion generating plate, wherein the positive ion generating plate is a hollow cylinder, the negative ion generating plate is arranged in the center of the positive ion generating plate, and a gas channel is formed between the positive ion generating plate and the negative ion generating plate; a purification layer is arranged between the air compressor and the low-temperature plasma generator, the purification layer is connected with a gas outlet of the air compressor, and a nylon mesh primary filter layer, a glass fiber layer and an activated carbon layer are sequentially arranged on the purification layer along the gas flow direction; a gas buffer bin is arranged between the disinfection bin and the working bin, a first induced draft fan and a second induced draft fan are arranged in the gas buffer bin, and an inlet of the first induced draft fan is connected with a gas channel of the low-temperature plasma generator; an outlet of the first induced draft fan is communicated with the gas buffer bin; the second induced draft fan is arranged at the upper part of the gas buffer bin, an outlet of the second induced draft fan is connected with a first gas outlet and a second gas outlet, the first gas outlet is arranged at the bottom of the gas buffer bin, and the second gas outlet is arranged at the top of the gas buffer bin; the gas of the first gas outlet and the gas of the second gas outlet are mutually in convection; and a storage rack and a gas exhaust port are arranged in the disinfection bin, and a third draught fan is arranged at the exhaust port.
2. The plasma cryogenic sterilization device of claim 1, wherein: the shelf is a plurality of and upper and lower lamellar arrangement, and the width of every shelf is 1/2-2/3 of disinfection storehouse width.
3. The plasma cryogenic sterilization device of claim 2, wherein: the disinfection cabin is provided with a plurality of layers of sliding rods corresponding to the article shelf, the bottom of the article shelf is provided with pulleys matched with the sliding rods, and the article shelf is in sliding operation on the sliding rods.
4. The plasma cryogenic sterilization device of claim 3, wherein: two adjacent supporter crisscross distribution each other.
5. The plasma cryogenic sterilization device of claim 1, wherein: the negative ion generating plate and the positive ion generating plate are both connected with a power supply.
6. The plasma cryogenic sterilization device of claim 1, wherein: the insulating shell is arranged outside the negative ion generating plate and the positive ion generating plate, two ends of the insulating shell are respectively provided with a gas inlet and a gas outlet, and the gas inlet and the gas outlet are respectively corresponding to the gas channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921623320.7U CN211096281U (en) | 2019-09-27 | 2019-09-27 | Plasma low-temperature sterilization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921623320.7U CN211096281U (en) | 2019-09-27 | 2019-09-27 | Plasma low-temperature sterilization device |
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| Publication Number | Publication Date |
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| CN211096281U true CN211096281U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921623320.7U Active CN211096281U (en) | 2019-09-27 | 2019-09-27 | Plasma low-temperature sterilization device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112915248A (en) * | 2021-01-29 | 2021-06-08 | 航飞等离子科技(杭州)有限公司 | Plasma flow environment disinfection equipment and control method thereof |
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2019
- 2019-09-27 CN CN201921623320.7U patent/CN211096281U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112915248A (en) * | 2021-01-29 | 2021-06-08 | 航飞等离子科技(杭州)有限公司 | Plasma flow environment disinfection equipment and control method thereof |
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Address after: 610000 No. 199 Huqiao Road, East Industrial District, Xindu District, Chengdu City, Sichuan Province Patentee after: SICHUAN AOJIE DISINFECTION EQUIPMENT Co.,Ltd. Address before: 620000 no.179 Baiyun Road, Xindu Industrial East District, Chengdu, Sichuan Province Patentee before: SICHUAN AOJIE DISINFECTION EQUIPMENT Co.,Ltd. |