CN216435837U - Low bromine oxygen excimer lamp - Google Patents
Low bromine oxygen excimer lamp Download PDFInfo
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- CN216435837U CN216435837U CN202122904944.XU CN202122904944U CN216435837U CN 216435837 U CN216435837 U CN 216435837U CN 202122904944 U CN202122904944 U CN 202122904944U CN 216435837 U CN216435837 U CN 216435837U
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Abstract
The utility model relates to a sterilamp technical field especially relates to a low bromine oxygen excimer lamp, include: the double-layer lamp tube is provided with a discharge chamber for containing rare gas between the inner wall and the outer wall; the electrode net is sleeved on the outer wall of the double-layer lamp tube, and the sleeved range of the electrode net covers the discharge chamber; the inner electrode is arranged on the inner wall of the double-layer lamp tube; the lamp cap is sleeved at the end part of the double-layer lamp tube and is respectively contacted with the electrode net and the inner electrode; the two lead wires penetrate through the lamp cap and are respectively connected with the electrode mesh and the inner electrode; the two leads are connected with a high-voltage alternating-current power supply to realize the discharge of the electrode mesh and the inner electrode in the discharge chamber, and the two ends of the inner electrode are provided with dielectric layers attached to the inner wall of the double-layer lamp tube. The utility model provides a when the dielectric layer discharges between inner electrode and electrode net, prevented the air admission to the space between inner electrode and the double-deck fluorescent tube to ozone's production in the air when discharging between inner electrode and electrode net has been reduced.
Description
Technical Field
The utility model relates to a sterilamp technical field especially relates to a low bromine oxygen excimer lamp.
Background
Most of the existing disinfection lamps in the market are ultraviolet disinfection lamps, the wavelength of light generated by the ultraviolet disinfection lamps is generally 172nm or 185nm, when the ultraviolet rays irradiate air, oxygen molecules in the air are activated into bromine oxygen, which is also called ozone, however, excessive ozone can cause certain damage to human bodies, such as optic nerve poisoning and even skin damage;
in order to solve the problems, an excimer lamp is produced by injecting rare gas and rare gas halide into a discharge cavity, then injecting high-voltage alternating current between two electrodes outside the discharge cavity, and generating electric arc in the discharge cavity by the rare gas and the rare gas halide, so that the rare gas in the discharge cavity is excited to emit light with the wavelength of 222nm, and the light with the wavelength has a sterilization effect and cannot cause damage to human bodies;
however, when the two electrodes are discharged, ozone is also excited in the air in the discharge space on the lamp tube, and the excessive ozone generation also causes damage to human body, so how to reduce the amount of ozone generated by the excimer lamp becomes a problem to be solved.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: provides a low bromine oxygen excimer lamp, which reduces the generation of ozone when the excimer lamp emits light.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a low bromine oxygen excimer lamp comprising:
the double-layer lamp tube is provided with a discharge chamber for containing rare gas between the inner wall and the outer wall;
the electrode net is sleeved on the outer wall of the double-layer lamp tube, and the sleeved range of the electrode net covers the discharge chamber;
the inner electrode is arranged on the inner wall of the double-layer lamp tube and is overlapped with the coverage range of the electrode mesh;
the lamp cap is sleeved at the end part of the double-layer lamp tube and is respectively contacted with the electrode net and the inner electrode;
the two leads penetrate through the lamp cap and are respectively connected with the electrode mesh and the inner electrode;
the two leads are connected with a high-voltage alternating-current power supply to realize that the electrode mesh and the inner electrode discharge in the discharge chamber, and the two ends of the inner electrode are provided with dielectric layers attached to the inner wall of the double-layer lamp tube.
Furthermore, the double-layer lamp tube is made of quartz.
Further, the rare gas in the discharge chamber is KrCl gas.
Further, the electrode mesh is a copper mesh.
Furthermore, the double-layer lamp tube is only provided with an opening at one end, and the two leads are led out from the same end.
Furthermore, the outer layer of the double-layer lamp tube is also provided with an interference film, and the interference film is in contact with the inner wall of the electrode mesh so as to eliminate a gap between the inner wall of the electrode mesh and the outer wall of the double-layer lamp tube.
Furthermore, an insulating bush is arranged between the lamp cap and the inner electrode, the insulating bush is sleeved at one end of the inner electrode protruding out of the double-layer lamp tube, and two sides of the insulating bush are respectively contacted with the double-layer lamp tube and the lamp cap.
Furthermore, two threading holes are formed in the lamp cap along the axial direction of the lamp cap, and the two lead wires are led out from the two threading holes respectively.
Furthermore, the tail part of the lamp tube is also provided with a bearing cap, and the outer diameter of the bearing cap is the same as that of the lamp cap.
Further, the inner electrode is a copper pipe or a copper rod.
The utility model has the advantages that: the utility model discloses a set up the dielectric layer with the laminating of double-deck fluorescent tube inner wall on the both ends of inner electrode, when discharging between inner electrode and electrode mesh, prevented the air admission to the space between inner electrode and the double-deck fluorescent tube in to the production of ozone in the air when discharging between inner electrode and electrode mesh has been reduced.
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 described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a low bromine oxygen excimer lamp according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an explosion structure of a low bromine-oxygen excimer lamp according to an embodiment of the present invention;
FIG. 3 is a schematic view of a partial cross-sectional structure of a double-layer lamp tube according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a transverse cross-sectional structure of an inner electrode according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a target insulation bushing in an embodiment of the present invention;
fig. 6 is a cross-sectional view of a lamp cap in an embodiment of the invention;
figure 7 is a cross-sectional view of a support cap according to an embodiment of the present invention.
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.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The low bromine oxygen excimer lamp shown in fig. 1 to fig. 7 comprises a double-layer lamp tube 10, an electrode mesh 20, an inner electrode 30, a lamp cap 40 and a lead wire 50, wherein:
the double-layer lamp tube 10 has a discharge chamber 11 for containing rare gas between the inner and outer walls; it should be noted that the discharge chamber 11 is a closed space, and the rare gas is directly injected into the discharge chamber 11 when the double-layer lamp 10 is manufactured;
the electrode mesh 20 is sleeved on the outer wall of the double-layer lamp tube 10, and the sleeved range of the electrode mesh 20 covers the discharge chamber 11; the electrode mesh 20 is made of conductive materials and is arranged in a grid mode;
the inner electrode 30 is arranged on the inner wall of the double-layer lamp tube 10 and is overlapped with the coverage range of the electrode mesh 20;
the lamp cap 40 is sleeved at the end part of the double-layer lamp tube 10 and is respectively contacted with the electrode mesh 20 and the inner electrode 30; the lamp cap 40 is used for fixing the inner electrode 30 and the electrode mesh 20, so that the installation convenience is improved;
the two lead wires 50 penetrate through the lamp cap 40 and are respectively connected with the electrode mesh 20 and the inner electrode 30, when the lamp is used specifically, the two lead wires 50 are connected with a high-voltage alternating-current power supply to realize the discharge of the electrode mesh 20 and the inner electrode 30 in the discharge chamber 11, and the two ends of the inner electrode 30 are provided with the dielectric layers 31 attached to the inner wall of the double-layer lamp tube 10. It should be noted that the dielectric layer 31 is a sealing layer or an adhesive layer resistant to high temperature and high pressure, and by the arrangement of the dielectric layer 31, as shown in fig. 4, a dotted line in fig. 4 indicates an inner wall of the double-layer lamp 10, a gap between the inner electrode 30 and the inner wall of the double-layer lamp 10 is blocked by the dielectric layer 31, so as to prevent outside air from entering between the inner electrode 30 and the inner wall of the double-layer lamp 10, thereby reducing the generation of ozone during discharge between the inner electrode 30 and the electrode mesh 20.
In the above embodiment, the dielectric layers 31 attached to the inner walls of the double-layer lamp 10 are disposed at the two ends of the inner electrode 30, so that air is prevented from entering the gap between the inner electrode 30 and the double-layer lamp 10 when the discharge is performed between the inner electrode 30 and the electrode mesh 20, thereby reducing the generation of ozone in the air when the discharge is performed between the inner electrode 30 and the electrode mesh 20.
In the embodiment of the present invention, the double-layer lamp tube 10 is made of quartz, the rare gas in the discharge chamber 11 is KrCl gas, and the electrode mesh 20 is a copper mesh. The materials are common in the prior art, are convenient to produce and process, and tests show that the amount of ozone generated by the excimer lamp is less than 0.003mg/m3 and is far lower than the safety concentration sanitary standard value of 0.1mg/m3 specified by the International ozone Association.
The lead wires 50 of the conventional excimer lamp are led out from two sides of the lamp tube, but the excimer lamp manufactured in this way has a large length, which is not beneficial for packaging and transportation, in the embodiment of the present invention, as shown in fig. 1 and fig. 2, the double-layer lamp tube 10 is only opened at one end, and the two lead wires 50 are led out from the same end. Further, as shown in fig. 6, the cap 40 has two threading holes along its axial direction, and two lead wires 50 are led out from the two threading holes, respectively. In this way, the overall length of the excimer lamp is reduced, and the use of insulating materials is also reduced.
In addition, in the embodiment of the present invention, an insulating bush 60 as shown in fig. 5 is further disposed between the lamp cap 40 and the inner electrode 30, the insulating bush 60 is sleeved on one end of the inner electrode 30 protruding from the double-layer lamp tube 10, and two sides of the insulating bush 60 are respectively in contact with the double-layer lamp tube 10 and the lamp cap 40. In this way, the safety of the lamp tube during use is improved by the arrangement of the insulating bush 60 and the way that the lead wires 50 are respectively led out from the lamp cap 40.
The embodiment of the utility model provides an in, electrode net 20 adopts the copper mesh, and this kind of mode setting can improve the convenience of installation, and direct cover is established on double-deck fluorescent tube 10 outer wall, has reduced weld time, and inner electrode 30 uses the mode processing of copper pipe or bar copper moreover, simple structure, convenient operation.
In order to further reduce the ozone generation caused by the existence of the gap between the electrode mesh 20 and the outer wall of the double-layer lamp 10, in the embodiment of the present invention, as shown in fig. 3, the outer layer of the double-layer lamp 10 further has an interference film 12, and the interference film 12 contacts with the inner wall of the electrode mesh 20 to eliminate the gap between the inner wall of the electrode mesh 20 and the outer wall of the double-layer lamp 10. The interference film 12 can be formed by coating transparent high-pressure-resistant heat-resistant glue, and the amount of ozone generated on the electrode mesh 20 is reduced by arranging the interference film 12, so that the performance of the excimer lamp is further improved.
In the embodiment of the present invention, as shown in fig. 2, the lamp tube tail further has a supporting cap 70, and the outer diameter of the supporting cap 70 is the same as the outer diameter of the lamp cap 40. Through the arrangement of the supporting cap 70, the lamp cap 40 is matched with the supporting cap, so that the lamp tube can be conveniently held by hands, and the falling resistance of the lamp tube can also be improved.
It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A low bromine oxygen excimer lamp comprising:
the double-layer lamp tube is provided with a discharge chamber for containing rare gas between the inner wall and the outer wall;
the electrode net is sleeved on the outer wall of the double-layer lamp tube, and the sleeved range of the electrode net covers the discharge chamber;
the inner electrode is arranged on the inner wall of the double-layer lamp tube and is overlapped with the coverage range of the electrode mesh;
the lamp cap is sleeved at the end part of the double-layer lamp tube and is respectively contacted with the electrode net and the inner electrode;
the two leads penetrate through the lamp cap and are respectively connected with the electrode mesh and the inner electrode;
the two leads are connected with a high-voltage alternating-current power supply to realize that the electrode mesh and the inner electrode discharge in the discharge chamber, and the two ends of the inner electrode are provided with dielectric layers attached to the inner wall of the double-layer lamp tube.
2. The low bromine oxygen excimer lamp of claim 1, wherein the double-layer lamp tube is made of quartz.
3. The low bromine oxygen excimer lamp of claim 1, wherein the rare gas in the discharge chamber is KrCl gas.
4. The low bromine oxygen excimer lamp of claim 1, wherein the electrode mesh is a copper mesh.
5. The low bromine oxygen excimer lamp of claim 1, wherein the double-layer lamp tube is open at only one end, and both of the leads are led out from the same end.
6. The low bromine oxygen excimer lamp of claim 1, wherein the outer layer of the double-layer lamp tube further comprises an interference film, and the interference film is in contact with the inner wall of the electrode mesh to eliminate the gap between the inner wall of the electrode mesh and the outer wall of the double-layer lamp tube.
7. The low bromine oxygen excimer lamp of claim 1, wherein an insulating bushing is further disposed between the lamp cap and the inner electrode, the insulating bushing is disposed at one end of the inner electrode protruding from the double-layer lamp tube, and two sides of the insulating bushing are respectively in contact with the double-layer lamp tube and the lamp cap.
8. The lamp according to claim 7, wherein said cap has two threading holes along its axial direction, and said two leads are led out from said two threading holes, respectively.
9. The low bromine oxygen excimer lamp of claim 1, wherein the lamp tube tail further comprises a support cap, and the outer diameter of the support cap is the same as the outer diameter of the lamp cap.
10. The lamp of claim 1, wherein the inner electrode is a copper tube or a copper rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122904944.XU CN216435837U (en) | 2021-11-23 | 2021-11-23 | Low bromine oxygen excimer lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122904944.XU CN216435837U (en) | 2021-11-23 | 2021-11-23 | Low bromine oxygen excimer lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216435837U true CN216435837U (en) | 2022-05-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122904944.XU Active CN216435837U (en) | 2021-11-23 | 2021-11-23 | Low bromine oxygen excimer lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216435837U (en) |
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2021
- 2021-11-23 CN CN202122904944.XU patent/CN216435837U/en active Active
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