CN213424925U - Excimer light-emitting ultraviolet germicidal lamp with annular cross section and water sterilizing device - Google Patents
Excimer light-emitting ultraviolet germicidal lamp with annular cross section and water sterilizing device Download PDFInfo
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- CN213424925U CN213424925U CN202021690454.3U CN202021690454U CN213424925U CN 213424925 U CN213424925 U CN 213424925U CN 202021690454 U CN202021690454 U CN 202021690454U CN 213424925 U CN213424925 U CN 213424925U
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Abstract
The utility model relates to an excimer luminous ultraviolet germicidal lamp with an annular section, which comprises a lamp tube body, a first electrode and a second electrode, wherein the lamp tube body is internally provided with a gas storage cavity which keeps airtight with the outside, and the lamp tube body is provided with an inner through hole which runs through two end faces of the lamp tube body; the gas storage cavity is distributed around the inner through hole of the lamp tube body, and the gas storage cavity is filled with mixed gas of krypton and chlorine; the first electrode is arranged in the inner through hole of the lamp tube body; the second electrode is arranged outside the lamp tube body, so that a high-voltage electric field formed by the second electrode and the first electrode penetrates through the gas storage cavity of the lamp tube body. The excimer light-emitting ultraviolet germicidal lamp with the annular section has the characteristics of high ultraviolet ray generation speed, no temperature influence and the like. The utility model discloses still relate to a water sterilizing equipment, this water sterilizing equipment has simple structure, design science, low in production cost, characteristics such as ultraviolet sterilization response speed is fast.
Description
Technical Field
The utility model relates to the technical field of disinfection lamps, in particular to an excimer light-emitting ultraviolet disinfection lamp with an annular cross section; the utility model discloses still relate to a water sterilizing equipment.
Background
The current ultraviolet water sterilizing device is provided with an ultraviolet sterilizing lamp which is provided with mercury, and the principle is that the temperature in a lamp tube is increased through heating to generate mercury vapor, and the mercury vapor is also excited to emit ultraviolet rays along with the increase of the temperature. The ultraviolet germicidal lamp has the advantages of high energy efficiency, but has the defects of long starting time, usually 10-60 seconds for reaching a normal working state, and the time for the lamp to enter the normal working state is easily influenced by the temperature. For the occasions with high use frequency and small single water quantity requirement, namely water outlet according to needs, such as drinking water of common families and small-scale companies, the ultraviolet lamp for the water sterilizing device obviously cannot meet the use requirement. Based on the defects of the existing ultraviolet lamp, an excimer light-emitting ultraviolet lamp which has rapid starting time and light wavelength close to 254nm needs to be designed urgently to meet the requirements of sterilizing, starting the ultraviolet lamp and using in the situation of water outlet.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cross-section is the luminous sterilamp of annular excimer, and this cross-section has advantages such as ultraviolet ray generation is fast, do not receive temperature influence, simple structure and design science for the luminous sterilamp of annular excimer.
The technical scheme of the excimer light-emitting ultraviolet germicidal lamp with the annular section is realized as follows: an excimer light-emitting ultraviolet germicidal lamp with an annular section comprises a lamp tube body, a first electrode and a second electrode, wherein a gas storage cavity is arranged in the lamp tube body and is airtight with the outside; the gas storage cavity is distributed around the inner through hole of the lamp tube body, and excited gas is filled in the gas storage cavity and is mixed gas of krypton and chlorine; the first electrode is arranged in the inner through hole of the lamp tube body; the second electrode is arranged outside the lamp tube body, so that a high-voltage electric field formed by the second electrode and the first electrode penetrates through the gas storage cavity of the lamp tube body.
The volume ratio of the krypton to the chlorine is within the range of 500: 1-50: 1, and the pressure of the mixed gas of the krypton and the chlorine in the gas storage cavity is within the range of 10 Torr-300 Torr.
The working principle of the excimer light-emitting ultraviolet germicidal lamp with the annular section is as follows: the first electrode and the second electrode are simultaneously connected to a high-voltage alternating current power supply, the high-voltage alternating current power supply is in the range of 2K V-10K V, so that after starting, the high voltage between the first electrode and the second electrode can break down the mixed gas formed by krypton and chlorine in the gas storage cavity to be used as excited gas to discharge, the mixed gas formed by krypton and chlorine can emit light with the wavelength of 222nm mainly during discharge, and the wavelength of the light can not reach 254nm ultraviolet light with ideal sterilizing capability, but also has a certain sterilizing effect, and can penetrate through the lamp tube body to sterilize and disinfect flowing water. Under the structure principle, the ultraviolet starting speed is very high, 90% output can be achieved within 0.1 second, the ultraviolet water heater is not influenced by air temperature, and the ultraviolet water heater is very suitable for being used in the occasions where water is discharged immediately.
Furthermore, helium and/or neon is filled in the gas storage cavity of the lamp tube body, the helium and/or neon is auxiliary gas and does not participate in light emission, and the volume of the auxiliary gas accounts for 0-40% of the volume of the gas storage cavity.
Still further, the lamp tube body is made of ordinary glass or quartz glass, and the lamp tube body is preferably made of quartz glass.
Still further, the first electrode is a conductive terminal disposed in the inner through hole of the lamp body; the second electrode is of a cylindrical structure and is made of a metal sheet, and the second electrode is sleeved on the outer circumferential surface of the lamp tube body.
The excimer light-emitting ultraviolet germicidal lamp with the annular section has the beneficial effects that: the ultraviolet ray generator has the advantages of high ultraviolet ray generating speed, no temperature influence, simple structure, scientific design and the like.
The utility model also provides a water sterilization device, this water sterilization device has simple structure, design science, low in production cost, ultraviolet sterilization response speed advantage such as fast.
The technical scheme of the water sterilization device is realized as follows: a water sterilization device comprises an ultraviolet lamp tube and is characterized in that the ultraviolet lamp tube is an excimer light-emitting ultraviolet sterilization lamp with an annular section in the scheme; the ultraviolet lamp tube comprises a lamp tube body, a first plug with a water inlet hole is arranged in one opening of an inner through hole of the lamp tube body of the ultraviolet lamp tube, a second plug with a water outlet hole is arranged in the other opening of the inner through hole of the lamp tube body, a sterilization cavity is formed between the first plug and the second plug by the inner through hole of the lamp tube body, a first electrode is arranged in the sterilization cavity and is in contact with water in the sterilization cavity when in use, and the water in the sterilization cavity is used as the first electrode.
The working principle of the water sterilization device is as follows: the first electrode and the second electrode are simultaneously connected to a high-voltage alternating current power supply, the high-voltage alternating current power supply is in a range of 2K V-10K V, after flowing water enters the sterilization cavity, the water can be in contact with the first electrode, so that after starting, the high voltage between the first electrode and the second electrode discharges a mixed gas formed by krypton and chlorine in a gas storage cavity of the breakdown ultraviolet lamp tube as an excited gas, the mixed gas formed by krypton and chlorine discharges to emit light with a wavelength of mainly 222nm, the wavelength of the light does not reach 254nm ultraviolet light with ideal sterilization capacity, but has a certain sterilization effect, and the metal sheet serving as the second electrode has an effect of reflecting ultraviolet rays, so that the ultraviolet rays are intensively irradiated on the water flowing in the ultraviolet lamp tube to sterilize and disinfect the water flowing in the ultraviolet lamp tube. Under the structure principle, the ultraviolet starting speed is very high, 90% output can be achieved within 0.1 second, the ultraviolet water heater is not influenced by air temperature, and the ultraviolet water heater is very suitable for being used in the occasions where water is discharged immediately.
This water sterilizing equipment's technological effect: has the advantages of simple structure, scientific design, low production cost, high ultraviolet sterilization response speed and the like.
Drawings
Fig. 1 is a schematic structural view of embodiment 1.
FIG. 2 is a schematic sectional view in the direction A-A of example 1 (after connection to a high-voltage AC power supply).
Fig. 3 is a schematic structural view of embodiment 2.
Fig. 4 is a schematic structural view of embodiment 3.
FIG. 5 is a schematic sectional view in the direction B-B in example 3.
FIG. 6 is a schematic structural view of embodiment 4.
FIG. 7 is a schematic structural view of example 5.
FIG. 8 is a schematic sectional view in the C-C direction in example 5.
FIG. 9 is a schematic structural view of example 6.
FIG. 10 is a schematic structural view of example 7.
Fig. 11 is a test report for example 1, as measured by an HP350UV uv spectrum irradiance meter.
Description of reference numerals: 11-a lamp tube body; 111-gas storage cavity; 112-inner through hole; 12-a first electrode; 13-a second electrode; 14-high voltage ac power supply;
21-lamp tube body; 211-gas storage cavity; 22-a first plug; 221-water inlet hole; 23-a second plug; 231-water outlet; 24-a sterilization cavity; 25-a second electrode;
31-a first electrode; 32-a second electrode; 33-lamp body; 331-inner through hole;
41-water pipe; 42-a first electrode; 43-lamp body;
51-a first electrode; 52-a second electrode; 53-lamp body; 531-inner through hole;
61-ultraviolet lamp tube; 62-water jacket; 621-a water storage cavity; 622-water inlet; 623-a water outlet; 63-pipe frame; 631-a lumen;
71-lamp body; 72-a first lamp cap; 73-a second lamp cap; 74-first lamp pin; 75-a second lamp foot; 76-a first electrode; 77-second electrode.
Detailed Description
Example 1
As shown in fig. 1 and fig. 2, the present embodiment is an excimer light-emitting ultraviolet germicidal lamp with an annular cross-section, which includes a lamp tube body 11, a first electrode 12 and a second electrode 13, wherein the lamp tube body 11 is provided with a gas storage cavity 111, the gas storage cavity 111 is airtight to the outside, and the lamp tube body 11 is formed with an inner through hole 112 penetrating through two end faces thereof; the gas storage cavity 111 is arranged around the inner through hole 112 of the lamp tube body 11, excited gas is filled in the gas storage cavity 111, the excited gas is mixed gas of krypton and chlorine, the volume ratio of krypton to chlorine is in the range of 500: 1-50: 1, and the pressure of the mixed gas of krypton and chlorine in the gas storage cavity is in the range of 10 Torr-300 Torr; the first electrode 12 is disposed in the inner through hole 112 of the lamp body 11; the second electrode 13 is disposed outside the lamp body 11, so that the high voltage electric field formed by the second electrode 12 and the first electrode 11 passes through the gas storage cavity 111 of the lamp body 11. When the lamp is used, the first electrode 12 and the second electrode 13 are connected to a high-voltage alternating-current power supply 14 at the same time, the high-voltage alternating-current power supply 14 is in a range of 2K volts to 10K volts, so that after the lamp is started, the high voltage between the first electrode 12 and the second electrode 13 can break down the mixed gas of krypton and chlorine in the gas storage cavity 111 to be used as excited gas to discharge, as shown in fig. 11, the mixed gas of krypton and chlorine emits light with a wavelength of mainly 222nm during discharge, and the wavelength of the light does not reach 254nm ultraviolet light with ideal sterilizing capability, but has a certain sterilizing effect, and can penetrate through the lamp body 11 to sterilize and disinfect flowing water. Under the structure principle, the ultraviolet starting speed is very high, 90% output can be achieved within 0.1 second, the ultraviolet water heater is not influenced by air temperature, and the ultraviolet water heater is very suitable for being used in the occasions where water is discharged immediately.
In order to make the stability of the excimer light-emitting ultraviolet germicidal lamp with the annular section better, helium and/or neon is also filled in the gas storage cavity 111 of the lamp tube body 11, the helium and/or neon is auxiliary gas and does not participate in light emission, and the volume of the auxiliary gas accounts for 0-40% of the volume of the gas storage cavity 111.
In order to facilitate the transmission of ultraviolet light, the lamp body 11 is made of ordinary glass or quartz glass.
In order to make the structure of the excimer light-emitting ultraviolet germicidal lamp with the annular section more reasonable, as shown in fig. 1 and 2, the first electrode 12 is a conductive terminal arranged in the inner through hole 112 of the lamp tube body 11; the second electrode 13 is a cylindrical structure, the second electrode 13 is made of a metal sheet, the metal sheet is made of stainless steel, and the second electrode 13 is sleeved on the outer circumferential surface of the lamp tube body 11. The metal sheet not only can conduct electricity, but also has the function of reflecting ultraviolet light towards the inner through hole 112 of the lamp tube body 11, so that water flowing in the inner through hole 112 of the lamp tube body 11 can be sterilized conveniently.
Example 2
As shown in fig. 3, the present embodiment is a water sterilization device, which includes an ultraviolet lamp tube, wherein the ultraviolet lamp tube is the excimer light-emitting ultraviolet sterilization lamp with an annular cross section described in embodiment 1; a first plug 22 with a water inlet 221 is arranged in one opening of an inner through hole of a lamp tube body 21 of the ultraviolet lamp, a second plug 23 with a water outlet 231 is arranged in the other opening of the inner through hole of the lamp tube body 21, the inner through hole of the lamp tube body 21 forms a sterilization cavity 24 between the first plug 22 and the second plug 23, the first electrode is arranged in the sterilization cavity 24 and is contacted with water in the sterilization cavity 24 when in use, and the water in the sterilization cavity 24 is used as the first electrode. When the lamp is used, the first electrode and the second electrode 25 are simultaneously connected to a high-voltage alternating current power supply, the high-voltage alternating current power supply is in the range of 2K V-10K V, so that a high-voltage network can be formed between the first electrode and the second electrode 25, and a large area of mixed gas formed by krypton and chlorine in the gas storage cavity 211 of the lamp body 21 is broken down to be used as excited gas to discharge, so that a large amount of ultraviolet rays can be rapidly generated. In the using process, after flowing water enters the sterilization cavity 24, the water is contacted with the first electrode, so that after the start, the high voltage between the first electrode and the second electrode 25 discharges the mixed gas formed by krypton and chlorine in the gas storage cavity 211 of the ultraviolet lamp tube, and the mixed gas formed by krypton and chlorine discharges to emit light with the wavelength of mainly 222nm, wherein the wavelength of the light does not reach 254nm ultraviolet light with ideal sterilization capability, but has a certain sterilization effect, and the metal sheet serving as the second electrode 25 has the function of reflecting the ultraviolet rays, so that the ultraviolet rays are intensively irradiated on the water flowing in the ultraviolet lamp tube, and the water flowing in the ultraviolet lamp tube is sterilized and disinfected. Under the structure principle, the ultraviolet starting speed is very high, 90% output can be achieved within 0.1 second, the ultraviolet water heater is not influenced by air temperature, and the ultraviolet water heater is very suitable for being used in the occasions where water is discharged immediately.
Example 3
The present embodiment is different from embodiment 1 in that the first electrode 31 and the second electrode 32 have different configurations: as shown in fig. 4 and 5, the first electrode 31 and the second electrode 32 of the present embodiment are both cylindrical structures, wherein the first electrode 31 is made of a metal mesh, the second electrode 32 is made of a metal sheet, both the metal mesh and the metal sheet are made of stainless steel material, the first electrode 31 is inserted into the inner through hole 331 of the lamp body 33, and the second electrode 32 is sleeved on the outer circumferential surface of the lamp body 33. When the lamp is applied, the second electrode 32 made of the metal sheet is also beneficial to reflecting light rays, so that the light rays can penetrate through the net-shaped first electrode 31 and are collected into the inner through hole 331 of the lamp tube body 33.
Example 4
As shown in fig. 6, the present embodiment is a water sterilization device, which includes an ultraviolet lamp tube, wherein the ultraviolet lamp tube is the excimer light-emitting ultraviolet sterilization lamp with an annular cross section described in embodiment 3; for the purpose of this embodiment, the present embodiment further includes a water pipe 41, the water pipe 41 is made of ordinary glass or quartz glass, the water pipe 41 is inserted into the first electrode 42, and the tube body 43 of the ultraviolet lamp is also used as a tube frame of the water pipe 41. The present embodiment differs from the water sterilizing apparatus of embodiment 2 in that: in practical applications, the first electrode 42 can be isolated from the water flowing through the water pipe 41, so that the safety is relatively better.
Example 5
The present embodiment is different from embodiment 3 in that the first electrode 51 and the second electrode 52 have different configurations: as shown in fig. 7 and 8, the first electrode 51 and the second electrode 52 of the present embodiment are both cylindrical structures, wherein the first electrode 51 is made of a metal sheet, the second electrode 52 is made of a metal mesh, both the metal mesh and the metal sheet are made of stainless steel material, the first electrode 51 is inserted into the inner through hole 531 of the lamp body 53, and the second electrode 52 is sleeved on the outer circumferential surface of the lamp body 53. The working principle of the present embodiment is also the same as that of embodiment 1, and the present embodiment is different from embodiments 1 and 3 in that: the ultraviolet light generated by the present embodiment is irradiated to the outside of the lamp body 53, and such a scheme is suitable for being used in cooperation with the existing water jacket to sterilize and disinfect the water in the water jacket.
Example 6
As shown in fig. 9, the present embodiment is a water sterilization device, which includes an ultraviolet lamp 61 and a water jacket 62, wherein the water jacket 62 is provided with a water storage cavity 621, and the water jacket 62 is provided with a water inlet 622 and a water outlet 623 which are communicated with the water storage cavity 621; in order to achieve the purpose of the present embodiment, the present embodiment further includes a transparent and insulating pipe frame 63, the pipe frame 63 is a strip-shaped structure, and a pipe cavity 631 with one end closed and the other end open is formed on the pipe frame 63; a through hole communicated with the water storage cavity 621 is further formed in the water jacket 62, one end of the pipe support 63 penetrates through the through hole of the water jacket 62 and is inserted into the water storage cavity 621, the other end of the pipe support 63 is arranged in a sealing manner with the through hole of the water jacket 62, and a cavity opening of a cavity 631 of the pipe support 63 is positioned outside the water storage cavity 621 of the water jacket 62; the ultraviolet lamp tube 61 is the excimer light-emitting ultraviolet germicidal lamp with the ring-shaped cross section described in embodiment 5, and the ultraviolet lamp tube 61 is inserted into the lumen 631 from the mouth of the lumen 631 of the tube frame 63. The water jacket 62 is made of stainless steel material and the pipe frame 63 is made of quartz glass in the embodiment, so that the water jacket 62 and the ultraviolet lamp tube 61 are insulated by the pipe frame 63, and the pipe frame 63 does not influence the ultraviolet ray to be injected into the water jacket 62. The ultraviolet lamp 61 is preferably disposed adjacent to the water outlet 623 of the water jacket 62. This embodiment is different from embodiments 2 and 4 in that: the water jacket 62 capable of containing water is adopted in the embodiment, so that relatively large-volume water can be sterilized simultaneously in the using process, flowing water can be buffered to a certain extent, the sterilizing time is longer than that of the water sterilizing devices in the embodiments 2 and 4, and the sterilizing effect is relatively better although the production cost is relatively higher.
Example 7
The present embodiment is a further improvement on the technical solution of the embodiment 5 in which ultraviolet light is scattered outward, and the present embodiment can be used in cooperation with a conventional and commonly used lamp holder with 2 lamp holders to sterilize air. As shown in fig. 10, in this embodiment, a first lamp cap 72 is disposed at one end of a lamp body 71, a second lamp cap 73 is disposed at the other end of the lamp body 71, the first lamp cap 72 and the second lamp cap 73 are respectively disposed with a first lamp pin 74 and a second lamp pin 75, the first lamp pin 74 of the first lamp cap 72 and the second lamp pin 73 are respectively conducted with a first electrode 76, and the second lamp pin 75 of the first lamp cap 72 and the second lamp cap 73 are respectively conducted with a second electrode 77.
Example 8
The present embodiment is a further improvement on the basis of the technical scheme of the embodiment 5 in which ultraviolet light is scattered outward, and the present embodiment can be used in cooperation with a conventional and commonly used lamp holder with 4 insertion holes, and can be applied to sterilization of water and air in the embodiment 6. In this embodiment, a lamp holder is disposed at one end of the lamp tube body, 2 first lamp pins and 2 second lamp pins are disposed on the lamp holder, the 2 first lamp pins of the lamp holder are simultaneously conducted with the first electrode, and the 2 second lamp pins of the lamp holder are simultaneously conducted with the second electrode (this embodiment is not shown in the drawings).
Claims (9)
1. The utility model provides a cross-section is luminous sterilamp of annular excimer, includes fluorescent tube body, first electrode and second electrode, be equipped with the gas storage cavity in the fluorescent tube body, this gas storage cavity keeps airtight, its characterized in that with the external world: the lamp tube body is provided with an inner through hole penetrating through two end faces of the lamp tube body; the gas storage cavity is distributed around the inner through hole of the lamp tube body, and excited gas is filled in the gas storage cavity; the first electrode is arranged in the inner through hole of the lamp tube body; the second electrode is arranged outside the lamp tube body, so that a high-voltage electric field formed by the second electrode and the first electrode penetrates through the gas storage cavity of the lamp tube body.
2. The excimer light-emitting uv germicidal lamp as claimed in claim 1, wherein the cross section is circular, and the excimer light-emitting uv germicidal lamp comprises: the lamp tube body is made of common glass or quartz glass.
3. An excimer light-emitting ultraviolet germicidal lamp as claimed in claim 1 or 2, wherein the section is circular, characterized in that: the first electrode is a conductive terminal arranged in the inner through hole of the lamp tube body; the second electrode is of a cylindrical structure and is made of a metal sheet, and the second electrode is sleeved on the outer circumferential surface of the lamp tube body.
4. An excimer light-emitting ultraviolet germicidal lamp as claimed in claim 1 or 2, wherein the section is circular, characterized in that: the first electrode and the second electrode are both of cylindrical structures, wherein the first electrode is made of a metal net, the second electrode is made of a metal sheet, the first electrode penetrates through the inner through hole of the lamp tube body, and the second electrode is sleeved on the outer circumferential surface of the lamp tube body.
5. An excimer light-emitting ultraviolet germicidal lamp as claimed in claim 1 or 2, wherein the section is circular, characterized in that: the first electrode and the second electrode are both of cylindrical structures, wherein the first electrode is made of a metal sheet, the second electrode is made of a metal net, the first electrode penetrates through the inner through hole of the lamp tube body, and the second electrode is sleeved on the outer circumferential surface of the lamp tube body.
6. A water sterilization device comprises an ultraviolet lamp tube, and is characterized in that: the ultraviolet lamp tube is the excimer light-emitting ultraviolet germicidal lamp with the annular cross section as claimed in claim 3; the ultraviolet lamp tube comprises a lamp tube body, a first plug with a water inlet hole is arranged in one opening of an inner through hole of the lamp tube body of the ultraviolet lamp tube, a second plug with a water outlet hole is arranged in the other opening of the inner through hole of the lamp tube body, a sterilization cavity is formed between the first plug and the second plug by the inner through hole of the lamp tube body, a first electrode is arranged in the sterilization cavity and is in contact with water in the sterilization cavity when in use, and the water in the sterilization cavity is used as the first electrode.
7. A water sterilization device comprises an ultraviolet lamp tube, and is characterized in that: the ultraviolet lamp tube is the excimer light-emitting ultraviolet germicidal lamp with the annular cross section as claimed in claim 4; the water pipe is made of common glass or quartz glass and is arranged in the first electrode in a penetrating mode.
8. A water sterilization device comprises an ultraviolet lamp tube and a water jacket, wherein a water storage cavity is arranged on the water jacket, and a water inlet and a water outlet which are communicated with the water storage cavity are formed on the water jacket; the method is characterized in that: the device also comprises a transparent and insulating pipe frame, wherein the pipe frame is of a strip-shaped structure, and a pipe cavity with one end closed and the other end opened is formed on the pipe frame; a through hole communicated with the water storage cavity is formed in the water jacket, one end of the pipe support penetrates through the through hole of the water jacket and is inserted into the water storage cavity, the other end of the pipe support and the through hole of the water jacket are arranged in a sealing mode, and a cavity opening of a pipe cavity of the pipe support is positioned outside the water storage cavity of the water jacket; the ultraviolet lamp tube is the excimer light-emitting ultraviolet germicidal lamp with the annular cross section as claimed in claim 5, and the ultraviolet lamp tube is inserted into the tube cavity from the cavity opening of the tube cavity of the tube frame.
9. A water disinfection apparatus as claimed in claim 8, wherein: the ultraviolet lamp tube is arranged close to the water outlet of the water jacket.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021554223 | 2020-07-31 | ||
| CN202021554223X | 2020-07-31 |
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| CN213424925U true CN213424925U (en) | 2021-06-11 |
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| CN202021690454.3U Active CN213424925U (en) | 2020-07-31 | 2020-08-14 | Excimer light-emitting ultraviolet germicidal lamp with annular cross section and water sterilizing device |
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