CN214286045U - Ozone disinfection device for disinfection - Google Patents
Ozone disinfection device for disinfection Download PDFInfo
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- CN214286045U CN214286045U CN202020395172.4U CN202020395172U CN214286045U CN 214286045 U CN214286045 U CN 214286045U CN 202020395172 U CN202020395172 U CN 202020395172U CN 214286045 U CN214286045 U CN 214286045U
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- Prior art keywords
- ozone
- voltage transformer
- interface
- disinfection
- wiring point
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- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 56
- 239000000758 substrate Substances 0.000 claims abstract description 36
- 238000007599 discharging Methods 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 238000007872 degassing Methods 0.000 abstract description 4
- 230000001954 sterilising effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 12
- 241000894006 Bacteria Species 0.000 description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- 229910052802 copper Inorganic materials 0.000 description 8
- 239000010949 copper Substances 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 241000700605 Viruses Species 0.000 description 5
- 210000004027 cell Anatomy 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000000645 desinfectant Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 4
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- 102000053602 DNA Human genes 0.000 description 3
- 108020004414 DNA Proteins 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 208000000453 Skin Neoplasms Diseases 0.000 description 3
- 201000000849 skin cancer Diseases 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 201000011510 cancer Diseases 0.000 description 2
- 238000010494 dissociation reaction Methods 0.000 description 2
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- 201000004624 Dermatitis Diseases 0.000 description 1
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Images
Abstract
The utility model discloses an ozone degassing unit for disinfection, include: the ozone generator comprises a shell, an ozone generating substrate, a high-voltage transformer and a control panel; the ozone generating substrate, the high-voltage transformer and the control panel are arranged in the shell side by side; the ozone generating substrate is provided with a plate for emitting ozone, and the plate is provided with an electrode wiring point; one end of the high-voltage transformer is provided with an input wiring point, the other end of the high-voltage transformer is provided with an output wiring point, and the output wiring point is connected with the electrode wiring point through a lead; the control panel is provided with a high-voltage transformer interface and a power supply interface; the high-voltage transformer interface is connected with the input wiring point through a wire, and the power supply interface is connected with an external power supply through a wire. The ozone disinfection device in the utility model disinfects through ozone, not only has good sterilization effect, but also has comprehensive sterilization range.
Description
Technical Field
The utility model relates to an ozone generator technical field, more specifically the ozone degassing unit who relates to a be used for disinfection that says so.
Background
Most people adopt chemical disinfection and ultraviolet irradiation methods for disinfection at present. The chemical disinfection method utilizes chemical disinfectants to influence the chemical composition, the form and the physiological activity of pathogenic microorganisms so as to achieve the aims of bacteriostasis and sterilization. The method specifically comprises a spraying method or a splashing method, wherein the disinfectant is prepared into a solution with a certain concentration and is sprayed and disinfected on a place needing to be disinfected by a sprayer, or the disinfectant is directly splashed to the place needing to be disinfected. The wiping method is to dip the cloth in the disinfectant solution to wipe the disinfected objects. The soaking method is to soak the disinfected articles in the disinfectant liquid. The fumigation method is that formaldehyde is commonly used to be matched with potassium permanganate to fumigate. Most of the chemical reagents of the methods are remained in the air, are not easy to decompose, cause secondary pollution to the air and seriously affect the body health of people. Although effective, ultraviolet radiation disinfection affects human health in many ways. Ultraviolet rays are often irradiated to human bodies to cause such things as sunburn, eye diseases, immune system changes, light-induced reactions, skin diseases (including skin cancer), and the like. Skin cancer is a persistent disease and the increased uv exposure increases the risk of developing it. The ultraviolet photons have sufficient energy to break the double bond. The ultraviolet rays with medium and short wave can penetrate deep into the skin of a person to cause inflammation of the skin of the person, and genetic material DNA (deoxyribonucleic acid) of the person is damaged, so that cells which normally grow are sloughed into cancer cells, and the cancer cells continue to grow into the whole skin cancer. Meanwhile, the ultraviolet rays can only disinfect the irradiated parts, and the disinfection range is not comprehensive.
Therefore, it is an urgent need to solve the problem of the art to develop an ozone disinfection device for disinfection with good disinfection effect and comprehensive disinfection range.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an ozone disinfection device for disinfection with good disinfection effect and wide disinfection range.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an ozone disinfection device for disinfection, comprising: the ozone generator comprises a shell, an ozone generating substrate, a high-voltage transformer and a control panel;
the ozone generating substrate, the high-voltage transformer and the control panel are arranged in the shell side by side;
the ozone generating substrate is provided with a plate for emitting ozone, and the plate is provided with an electrode wiring point;
one end of the high-voltage transformer is provided with an input wiring point, the other end of the high-voltage transformer is provided with an output wiring point, and the output wiring point is connected with the electrode wiring point through a lead;
the control panel is provided with a high-voltage transformer interface and a power supply interface; the high-voltage transformer interface is connected with the input wiring point through the lead, and the power supply interface is connected with an external power supply through the lead.
Adopt above-mentioned technical scheme's beneficial effect is, the utility model discloses well control panel protects the circuit, and high voltage transformer converts low voltage alternating current to high voltage alternating current, and high voltage alternating current acts on the panel and produces blue glow discharge, and free high energy ion dissociation oxygen molecule in the corona is the ozone molecule through the collision polymerization, and ozone can be direct and bacterium, viral effect, to bacterium, virus exterminate to ozone exists with gaseous form, can be more abundant, comprehensive and object contact play disinfect, sterile effect.
Preferably, the housing comprises: an outer housing and a housing cover; the ozone generating device comprises an ozone generating substrate, an outer shell cover, a control board and a fixing column, wherein the outer shell is buckled with the outer shell cover, the bottom of the inner side of the outer shell is provided with a first clamping groove used for clamping and fixing the ozone generating substrate, a second clamping groove used for clamping and fixing the control board, the fixing column is used for being connected with the high-voltage transformer, and the fixing column is arranged between the first clamping groove and the second clamping groove. The high-voltage transformer, the ozone generation substrate and the control panel can be fixed inside the outer shell body through the fixing column, the first clamping groove and the second clamping groove.
Preferably, the ozone generating substrate further comprises an outer frame, the plate is arranged at the top of the outer frame, and the social effect of the outer frame can prevent the plate from directly contacting with the outer shell.
Preferably, the high voltage transformer further comprises: the high-voltage coil is connected with the shell; the high-voltage coil and the low-voltage coil are arranged in the shell, the input wiring point is connected with the low-voltage coil, and the output wiring point is connected with the high-voltage coil. The low-voltage alternating current is loaded on a low-voltage coil of a high-voltage transformer through an input wiring point, and the high-voltage transformer converts the low-frequency low-voltage alternating current into the high-frequency high-voltage alternating current through the self-isolation, waveform changing, voltage transformation, frequency conversion and signal polarity changing effects.
Preferably, the number of the fixing columns is two, the outer sides of the two ends of the shell are provided with connecting plates, connecting holes are formed in the connecting plates, and the fixing columns penetrate through the connecting holes.
Preferably, the control board further comprises: the circuit comprises a substrate, a rectification filter circuit, a pre-charging and discharging circuit and an inverter circuit; the rectification filter circuit, the pre-charge and discharge circuit, the inverter circuit, the high-voltage transformer interface and the power supply interface are all arranged at the top of the substrate; the power interface, the rectifying and filtering circuit, the pre-charging and discharging circuit, the inverter circuit and the high-voltage transformer interface are connected in sequence. The rectification filter circuit can complete the conversion from alternating current to direct current, the pre-charging and discharging circuit plays a role in protecting the circuit through the pre-charging and discharging resistor at the moment of electrification, and the inverter circuit can complete the inversion process from the direct current to the alternating current.
Preferably, an indicator light is arranged on the substrate and connected with the power interface. The indicator light can play a role in prompting the use condition of the ozone disinfection device.
Preferably, the ozone disinfection device further comprises a switch button, the switch button is arranged on the outer side of the shell, and a key interface is arranged on the substrate and connected with the switch button. The opening and closing of the ozone disinfection device can be conveniently controlled by the switch button.
Preferably, the ozone disinfection device further comprises a USB power line, wherein one end of the USB power line is connected with the external power supply, and the other end of the USB power line is connected with the power interface. The USB power line is used, the USB joint is connected with the power interface, and the voltage at the USB interface is 5V, so that the USB power line is a safe voltage for human body contact, and the phenomenon of electric leakage at the interface of the ozone disinfection device and the external power supply can be avoided.
Known via foretell technical scheme, compare with prior art, the utility model discloses a be used for sterile ozone degassing unit is provided, its beneficial effect is:
(1) the control panel in the utility model protects the circuit, the high voltage transformer converts the low voltage alternating current into the high voltage alternating current, the high voltage alternating current acts on the panel to generate blue glow discharge, the free high energy ion dissociation oxygen molecule in the corona is polymerized into the ozone molecule through collision, the ozone can directly act with the bacteria and the virus to kill the bacteria and the virus;
(2) the ozone exists in a gas form, and can be more fully and comprehensively contacted with an object to play a role in sterilization and disinfection;
(3) the arrangement of the indicator light can play a role in prompting the use condition of the ozone disinfection device; the switch button is arranged to conveniently control the on and off of the ozone disinfection device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural view of an ozone disinfection device provided by the present invention;
FIG. 2 is a front view of the inner structure of the ozone sterilizer according to the present invention;
fig. 3 is a schematic structural diagram of a housing provided by the present invention;
FIG. 4 is a schematic structural view of an ozone generating substrate according to the present invention;
fig. 5 is a schematic structural diagram of a high-voltage transformer provided by the present invention;
fig. 6 is a schematic structural diagram of a control panel provided by the present invention;
fig. 7 is a schematic structural diagram of a switch button provided by the present invention;
fig. 8 is a schematic structural diagram of the USB power line provided by the present invention.
Wherein, in the figure,
1-a housing;
11-an outer shell; 12-a first card slot; 13-fixed column; 14-a second card slot; 15-housing cover;
2-an ozone generating substrate;
21-outer frame; 22-a sheet; 23-electrode connection points;
3-a high voltage transformer;
31-a housing; 32-a high voltage coil; 33-output connection points; 34-a low voltage coil; 35-input connection points; 36-a connecting plate; 37-connecting hole;
4-control panel;
41-a substrate; 42-a power interface; 43-high voltage transformer interface; 44-an indicator light; 45-key interface; 46-a rectifying and filtering circuit; 47-a pre-charge-discharge circuit; 48-an inverter circuit;
5-switch button; 6-USB power cord.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
The embodiment of the utility model discloses be used for sterile ozone degassing unit, include: the ozone generator comprises a shell 1, an ozone generating substrate 2, a high-voltage transformer 3 and a control panel 4;
the ozone generating substrate 2, the high-voltage transformer 3 and the control panel 4 are arranged in parallel inside the shell 1;
the ozone generating substrate 2 is provided with a plate 22 for emitting ozone, and the plate 22 is provided with an electrode wiring point 23;
one end of the high-voltage transformer 3 is provided with an input wiring point 35, the other end is provided with an output wiring point 33, and the output wiring point 33 is connected with the electrode wiring point 23 through a lead;
the control panel 4 is provided with a high-voltage transformer interface 43 and a power interface 42; the high-voltage transformer interface 43 is connected with the input connection point 35 through a lead, and the power supply interface 42 is connected with an external power supply through a lead.
The ozone generating substrate 2 is a process for converting oxygen into ozone by using a high-voltage discharge principle, namely, high-voltage alternating current is applied to a high-voltage electrode which is separated by an insulator and has a certain gap, dry and purified air or oxygen passes through the high-voltage electrode, when the high-voltage alternating current reaches 10-15KV, blue glow discharge [ corona ] is generated, free high-energy ions in the corona dissociate oxygen molecules, and the oxygen molecules are polymerized into ozone molecules through collision.
Ozone can oxidize and decompose enzymes required by bacteria for degrading glucose, so that TCA circulation can not be performed, ATP required by cell life activities can not be supplied, and bacteria can be inactivated and killed. Ozone can directly act with bacteria and viruses to destroy their organelles, DNA and RNA, so that the metabolism of bacteria is destroyed and the bacteria die. Ozone can permeate cell membrane tissue, invade into cells, act on lipoprotein of outer membrane and lipopolysaccharide inside, make bacterium produce permeability distortion and dissolve and die, thus play a role in disinfection. And ozone can effectively kill SARS virus, which is proved in Beijing Japanese newspaper published at 11.5.2003.
In order to further optimize the above solution, the housing 1 comprises: an outer case 11 and an outer case cover 15; the outer shell 11 is buckled with the outer shell cover 15, a first clamping groove 12 for clamping the ozone generation substrate 2, a second clamping groove 14 for clamping the control panel 4 and a fixing column 13 for connecting the high-voltage transformer 3 are arranged at the bottom of the inner side of the outer shell 11, and the fixing column 13 is arranged between the first clamping groove 12 and the second clamping groove 14.
In order to further optimize the above technical solution, the ozone generating substrate 2 further comprises an outer frame 21, and the plate 22 is disposed on the top of the outer frame 21.
In order to further optimize the above technical solution, the high voltage transformer 3 further comprises: a housing 31, a high-voltage coil 32, a low-voltage coil 34; the high-voltage coil 32 and the low-voltage coil 34 are provided inside the case 31, the input connection point 35 is connected to the low-voltage coil 34, and the output connection point 33 is connected to the high-voltage coil 32. The high voltage coil 32 and the low voltage coil 34 are encased in the housing 31 by epoxy.
In order to further optimize the technical scheme, two fixing columns 13 are arranged, connecting plates 36 are arranged on the outer sides of two ends of the shell 31, connecting holes 37 are formed in the connecting plates 36, and the fixing columns 13 penetrate through the connecting holes 37.
In order to further optimize the above technical solution, the control board 4 further includes: a substrate 41, a rectifying filter circuit 46, a pre-charging and discharging circuit 47, and an inverter circuit 48; the rectifying and filtering circuit 46, the pre-charging and discharging circuit 47, the inverter circuit 48, the high-voltage transformer interface 43 and the power supply interface 42 are all arranged at the top of the substrate 41; the power interface 42, the rectifying and filtering circuit 46, the pre-charging and discharging circuit 47, the inverter circuit 48 and the high-voltage transformer interface 43 are connected in sequence. The rectifying and filtering circuit 46 comprises a rectifying circuit and an LC filtering circuit, the control panel 4 is electrified, the rectifying circuit completes the conversion from alternating current to direct current, the LC filtering circuit stabilizes the direct current fluctuation voltage output by the rectifying bridge into smooth direct current, the pre-charging and discharging circuit 47 limits the current of a capacitor in charging through a pre-charging and discharging resistor at the moment of power-on, the circuit is protected, the diodes of the rectifying circuit are prevented from being burned out by the large current at the moment, and the inverter circuit 48 completes the inversion process from direct current to alternating current. The pin of the power interface 42 is connected to the pin of the indicator light 44 through a copper strip, the rectifying and filtering circuit 46 is connected with the power interface 42 through a copper strip, the pre-charging and discharging circuit 47 is connected to the pin of the rectifying and filtering circuit 46 through a copper strip, and the inverter circuit 48 is connected with the pre-charging and discharging circuit 47 through a copper strip.
In order to further optimize the above technical solution, an indicator 44 is disposed on the substrate 41, and the indicator 44 is connected to the power interface 42.
In order to further optimize the above technical solution, the ozone disinfection device further comprises a switch button 5, the switch button 5 is disposed on the outer side of the housing 1, a key interface 45 is disposed on the substrate 41, and the key interface 45 is connected with the switch button 5.
In order to further optimize the above technical solution, the ozone disinfection device further comprises a USB power line 6, wherein one end of the USB power line 6 is connected with an external power supply, and the other end is connected with the power interface 42.
In order to further optimize the technical scheme, the ozone disinfection device can disinfect and sterilize articles such as clothes, articles and feeding bottles, and can be applied to a box body for placing articles such as a backpack and a case to disinfect and sterilize the articles.
The working principle is as follows:
the USB power line 6 of the ozone disinfection device is connected with an external power supply, the switch key 5 is pressed, the pin of the power interface 42 is connected to the pin of the indicator light 44 through a copper strip, the indicator light 44 displays the on-off of a circuit, the rectifying filter circuit 46 is connected with the power interface 42 through the copper strip, the rectifying filter circuit 46 completes the conversion from alternating current to direct current, the pre-charging discharge circuit 47 is connected to the pin of the rectifying filter circuit 46 through the copper strip, the pre-charging discharge circuit 47 protects the circuit at the moment of power-on, the inverter circuit 48 is connected with the pre-charging discharge circuit 47 through the copper strip, the high-voltage transformer interface 43 is connected to the inverter circuit 48 through a lead, and the inverter circuit 48 completes the inversion process from direct current to alternating current; the low-voltage alternating current is loaded on a low-voltage coil 34 of the high-voltage transformer 3 through a high-voltage transformer interface 43 of the control board 4 and an input wiring point 35 of the high-voltage transformer 3, the low-voltage alternating current is converted into the high-voltage alternating current through the low-voltage coil 34 and the high-voltage coil 32, then the high-voltage alternating current is loaded on a plate 22 of the ozone generation substrate 2 through an output wiring point 33 and an electrode wiring point 23, under the action of the high-voltage alternating current of 10-15KV, blue glow discharge [ corona ] is generated, free high-energy ions in the corona dissociate oxygen molecules, the oxygen molecules are polymerized into ozone molecules through collision, and the bacteria and viruses on the surface of an object are killed through the contact of the ozone and the object.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. An ozone disinfection apparatus for disinfection, comprising: the ozone generator comprises a shell (1), an ozone generating substrate (2), a high-voltage transformer (3) and a control panel (4);
the ozone generating substrate (2), the high-voltage transformer (3) and the control panel (4) are arranged in the shell (1) side by side;
the ozone generating substrate (2) is provided with a plate (22) for emitting ozone, and the plate (22) is provided with an electrode wiring point (23);
one end of the high-voltage transformer (3) is provided with an input wiring point (35), the other end of the high-voltage transformer is provided with an output wiring point (33), and the output wiring point (33) is connected with the electrode wiring point (23) through a lead;
the control panel (4) is provided with a high-voltage transformer interface (43) and a power interface (42); the high-voltage transformer interface (43) is connected with the input wiring point (35) through the lead, and the power supply interface (42) is connected with an external power supply through the lead.
2. An ozone disinfection apparatus for disinfection according to claim 1, characterised in that said housing (1) comprises: a housing body (11) and a housing cover (15); the ozone generating device is characterized in that the outer shell body (11) is buckled with the outer shell cover (15), a first clamping groove (12) used for clamping and fixing the ozone generating substrate (2), a second clamping groove (14) used for clamping and fixing the control panel (4) and a fixing column (13) used for connecting the high-voltage transformer (3) are arranged at the bottom of the inner side of the outer shell body (11), and the fixing column (13) is arranged between the first clamping groove (12) and the second clamping groove (14).
3. An ozone disinfection apparatus as claimed in claim 1 or 2, wherein said ozone generating substrate (2) further comprises an outer frame (21), said sheet (22) being placed on top of said outer frame (21).
4. An ozone disinfection apparatus for disinfection according to claim 2, characterised in that said high voltage transformer (3) further comprises: a housing (31), a high-voltage coil (32), and a low-voltage coil (34); the high-voltage coil (32) and the low-voltage coil (34) are arranged inside the shell (31), the input wiring point (35) is connected with the low-voltage coil (34), and the output wiring point (33) is connected with the high-voltage coil (32).
5. The ozone disinfection device for disinfection according to claim 4, wherein there are two fixing posts (13), the outer sides of the two ends of the housing (31) are provided with connecting plates (36), the connecting plates (36) are provided with connecting holes (37), and the fixing posts (13) are inserted into the connecting holes (37).
6. An ozone disinfection apparatus for disinfection according to any one of the claims 1, 2, 4 or 5, characterised in that said control board (4) further comprises: a substrate (41), a rectifying filter circuit (46), a pre-charging and discharging circuit (47), and an inverter circuit (48); the rectification filter circuit (46), the pre-charging and discharging circuit (47), the inverter circuit (48), the high-voltage transformer interface (43) and the power supply interface (42) are all arranged at the top of the substrate (41); the power interface (42), the rectifying and filtering circuit (46), the pre-charging and discharging circuit (47), the inverter circuit (48) and the high-voltage transformer interface (43) are connected in sequence.
7. The ozone disinfection device for disinfection according to claim 6, wherein said base plate (41) is provided with an indicator light (44), said indicator light (44) is connected with said power interface (42).
8. The ozone disinfection device for disinfection according to claim 6, further comprising a switch button (5), wherein said switch button (5) is disposed outside said housing (1), said substrate (41) is provided with a key interface (45), and said key interface (45) is connected to said switch button (5).
9. The ozone disinfection device for disinfection according to claim 1, further comprising a USB power line (6), wherein one end of the USB power line (6) is connected to the external power source, and the other end is connected to the power interface (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020395172.4U CN214286045U (en) | 2020-03-25 | 2020-03-25 | Ozone disinfection device for disinfection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020395172.4U CN214286045U (en) | 2020-03-25 | 2020-03-25 | Ozone disinfection device for disinfection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214286045U true CN214286045U (en) | 2021-09-28 |
Family
ID=77826090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020395172.4U Expired - Fee Related CN214286045U (en) | 2020-03-25 | 2020-03-25 | Ozone disinfection device for disinfection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214286045U (en) |
-
2020
- 2020-03-25 CN CN202020395172.4U patent/CN214286045U/en not_active Expired - Fee Related
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