CN202230979U - High-power rectangular externally-coupled electrodeless ultraviolet lamp - Google Patents
High-power rectangular externally-coupled electrodeless ultraviolet lamp Download PDFInfo
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- CN202230979U CN202230979U CN2011203546902U CN201120354690U CN202230979U CN 202230979 U CN202230979 U CN 202230979U CN 2011203546902 U CN2011203546902 U CN 2011203546902U CN 201120354690 U CN201120354690 U CN 201120354690U CN 202230979 U CN202230979 U CN 202230979U
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Abstract
The utility model relates to a low-pressure mercury vapour discharge ultraviolet germicidal lamp, particularly to a high-power rectangular externally-coupled electrodeless ultraviolet lamp. The ultraviolet lamp comprises a closed lamp tube with an annular section, a coupler and a high-frequency driver, which is characterized in that the closed lamp tube is a rectangular closed lamp tube with a rectangular shape, and the calibre of the rectangular closed lamp tube ranges from 46 mm to 56 mm; the coupler is composed of a first coupler unit and a second coupler unit, and the first coupler unit and the second coupler unit are sleeved on the outer wall of the rectangular closed lamp tube and located on the two symmetrical short sides of the rectangular closed lamp tube respectively; and the first coupler unit and the second coupler unit are communicated with the high-frequency driver respectively. The product can remarkably increase power, reduce irradiation time, as well as be energy-saving and long in life.
Description
Technical field
The utility model relates to a kind of low-pressure mercury vapor electric discharge ultraviolet germicidal lamp, the outer coupled electrodeless uviol lamp of especially a kind of high-power rectangle.
Background technology
Electrode ultra-violet lamp of the prior art useful life short (standard GB 19258-2003 is defined as average life span and was not less than 5000 hours), power is done not quite, mainly is the restriction that receives fluorescent tube length.With the 40W uviol lamp is example, and its length is 120cm, and power is done greatly again, and length will need to increase, and ignition voltage and operating voltage be in requisition for improve, thereby has limited the random growth of fluorescent tube length.So power can not increase a lot on the 40W basis.The existing single-ended uviol lamp that filament is arranged, the maximum power that GB is listed is 55W, power can't increase and then cause the ultraviolet radiation insufficient strength, can not satisfy user's demand.
In addition, it is main ultraviolet light with 253.7nm that present single-ended and both-end uviol lamp belongs to the generation of low-pressure mercury vapor electric discharge, and in order to keep discharge, they all are provided with electrode, and kind electrode is made up of tungsten filament and the ternary oxide that is coated in the emitting electrons on the tungsten filament.The electrode emitting electrons is kept mercury vapor discharge and is produced ultraviolet ray during work.When ternary oxide exhausted, fluorescent tube was just scrapped, and the working life of lamp has also just stopped.
Studying for a long period of time according to the technical staff shows, is the basic way that prolongs the low-pressure mercury vapor electric discharge uviol lamp life-span without filament and electrode.The uviol lamp that utilizes the electromagnetic induction discharge principle to develop does not have filament and electrode.The electrodeless ultraviolet lamp of mentioning in the existing disclosed patent is that coupler is positioned in the bulb; Manifold type promptly; The high-frequency current of radio-frequency generator output produces the electromagnetic field of high frequency through coupler and is coupled into and material atom is excited and sends ultraviolet light, or utilizes microwave to inject the interior material atom of bulb is excited and send ultraviolet light.Interior manifold type electrodeless ultraviolet lamp places in the cell-shell owing to coupler; Coupler increases the corresponding increase of caloric value with power; If in time exothermic temperature is increased to more than 230 degrees centigrade and can causes coupler or drive corruption,, heat radiation is not easy to accomplish one of subject matter that 150W is above so being interior manifold type electrodeless ultraviolet lamp power.Existing microwave ultraviolet lamp system volume is big, magnetron life short (specified 2000 hours), and power below 500 watts is realized difficulty.
But the existing disinfection uviol lamp market demand that is used for air, water, food, tableware etc. more and more trends towards the high-power and long-life, and the user needs that sterilization is fast, exposure time short, energy-conservation and uviol lamp that the life-span is grown.Existing uviol lamp all can not be met consumers' demand, and therefore, there is defective in existing uviol lamp, need improve.
The utility model content
The purpose of the utility model provides a kind of power and can enlarge markedly, and the outer coupled electrodeless uviol lamp of long-life high-power rectangle.
The outer coupled electrodeless uviol lamp of the high-power rectangle of the utility model; Comprise that section is closed fluorescent tube, coupler and the high frequency driver of annular; It is characterized in that said closed fluorescent tube is the closed fluorescent tube of the rectangular rectangle of profile; The caliber of the closed fluorescent tube of said rectangle be 46mm to 56mm, said coupler is made up of first coupler unit and second coupler unit, said first coupler unit and second coupler unit are nested with respectively at the closed tube outer wall of rectangle; And lay respectively on two minor faces of the closed fluorescent tube symmetry of rectangle, said first coupler unit and second coupler unit all are connected with high frequency driver.
The caliber of the closed fluorescent tube of rectangle described in the utility model can arrive 56mm for 46mm, that is: can be the closed fluorescent tube of rectangle of fluorescent tube external diameter 46mm, the closed fluorescent tube of rectangle of fluorescent tube external diameter 50mm or closed fluorescent tube of rectangle of fluorescent tube external diameter 56mm or the like.Certainly, the caliber of the closed fluorescent tube of said rectangle so long as at 46mm between the 56mm, the coupler that can be connected with high frequency driver is coupled and excites in the closed fluorescent tube of rectangle mercury atom to send the 253.7nm ultraviolet light and gets final product.
The basic design of the utility model is: the outer coupled electrodeless uviol lamp of this high-power rectangle belongs to low-pressure mercury vapor electric discharge ultraviolet germicidal lamp.The disinfection that can be used for air, water, food, tableware etc.The outer coupled electrodeless uviol lamp of this high-power rectangle does not have filament and electrode; It is coupled to energy in the closed fluorescent tube of rectangle that section is an annular with the mode of electromagnetic coupled; Exciting mercury atom to send with 253.7nm is main ultraviolet light; The high-frequency current that high frequency driver produces 200KHz-250KHz produces the electromagnetic field of high frequency through the coil that is looped around on the closed magnet ring on the fluorescent tube, and energy is coupled in the fluorescent tube, and exciting mercury atom to send with 253.7nm is main ultraviolet light.The power that outer coupled electrodeless uviol lamp can be realized from tens watts to three hectowatts or bigger, compare with interior manifold type because coupler is external, be beneficial to the heat radiation of coupler, it is big that power can be done than interior manifold type.Simultaneously since operating frequency than interior manifold type low (be about general in manifold type 2.65MHz 1/10th), components and parts are chosen easily, high frequency driver is easy to production and with low cost.
The outer coupled electrodeless uviol lamp of the high-power rectangle of the utility model is by 1. fluorescent tubes (rectangle), and 2. coupler is the closed magnet ring that is wound with coil that is looped around on the fluorescent tube, and 3. high frequency driver is formed.Fluorescent tube is for closed rectangle passes through the ultraviolet light glass-tube, caliber is that 46mm is to the 56mm size.Charged pressure is lower than the mercuryvapour and the inert gas of 2 torrs in the fluorescent tube.Coupler is the closed magnet ring that is wound with coil, and coil total inductance amount is controlled at about 0.45mH.The rectangle fluorescent tube needs two couplers.High frequency driver adopts the high frequency driver with self adaptation characteristics.The alternating electromagnetic field that high frequency driver produces is coupled in the fluorescent tube, excites mercury atom to 6
3P
1Excitation state is returned ground state from excitation state again, produces the 253.7nm ultraviolet light.The closed magnet ring (coupler) that is wound with coil described in the utility model, high frequency driver element and ultraviolet-transmitting glass-tube with self adaptation characteristics are existing commercially available prod.It is also similar with existing UV-light luminous principle that it produces 253.7nm ultraviolet light principle, repeats no more here.
Aeration quantity in the utility model in the closed fluorescent tube of the rectangle of the outer coupled electrodeless uviol lamp of high-power rectangle and the emittance of filling mercury amount outer coupled electrodeless uviol lamp works of decision and 253.7nm ultraviolet light.The power that can realize is from tens watts to 300 watts or bigger.Emittance can be accomplished one meter, 1,000 microwatts/more than the square centimeter.
The outer coupled electrodeless uviol lamp life-span of the high-power rectangle of the utility model is very long.Because it is closed fluorescent tube, except inert gas and Trace Mercury element, there is not other additive, in case only carry out otherwise damage, fluorescent tube is exactly semi-permanent, the factor that determines its life-span is high frequency driver just just.Owing to be that outer coupled mode is not worried heat dissipation problem, power can be accomplished 300W or bigger, than the electrodeless uviol lamp power of manifold type in existing greatly, can reduce exposure time in the disinfection occasion, corresponding can be energy-conservation.There is the extreme ultraviolet lamp life-span longer than existing, reduced user's production cost.
Compare with aforementioned existing like product, the outer coupled electrodeless uviol lamp power of the high-power rectangle of the utility model can enlarge markedly, can reduce exposure time, energy-conservation and the life-span is long.
The content of the utility model combines following examples to do explanation further, but the content of the utility model is not limited only to content related among the embodiment.
Description of drawings
Fig. 1 is the structural representation of the outer coupled electrodeless uviol lamp of 1 high-power rectangle among the embodiment.
Fig. 2 is the structural representation of the outer coupled electrodeless uviol lamp of 2 high-power rectangles among the embodiment.
Fig. 3 is the structural representation of the outer coupled electrodeless uviol lamp of 3 high-power rectangles among the embodiment.
Embodiment
Embodiment 1: as shown in Figure 1; The outer coupled electrodeless uviol lamp of high-power rectangle described in the present embodiment comprises that section is closed fluorescent tube, coupler and the high frequency driver 1 of annular; It is characterized in that said closed fluorescent tube is the closed fluorescent tube 2 of the rectangular rectangle of profile; The caliber of the closed fluorescent tube 2 of said rectangle is 46mm, and said coupler is made up of first coupler unit 3 and second coupler unit 4, and said first coupler unit 3 and second coupler unit 4 are nested with respectively at closed fluorescent tube 2 outer walls of rectangle; And lay respectively on two minor faces of closed fluorescent tube 2 symmetries of rectangle, said first coupler unit 3 and second coupler unit 4 all are connected with high frequency driver 1.
The closed fluorescent tube of rectangle that the closed fluorescent tube 2 of rectangle described in the present embodiment is fluorescent tube external diameter 46mm.Present embodiment is the outer coupled electrodeless uviol lamp of 150W, and the closed fluorescent tube 2 long 350mm of rectangle, wide 80mm, external diameter 46mm charge into the argon gas of 0.1 torr in the fluorescent tube, fill mercury amount 20mg, mix the high frequency driver 1 of 150W.The electrical power that this example realizes is 152.3W, is that master's radiant illumination is 1 meter, 500 μ W/cm with the 253.7nm ultraviolet ray
2, 50 centimeters, 1600 μ W/cm
2
Embodiment 2: as shown in Figure 2, present embodiment is similar with embodiment 1, and different is that said closed annular fluorescent tube 2 is the closed annular fluorescent tube of fluorescent tube external diameter 50mm.Present embodiment is the outer coupled electrodeless uviol lamp of 100W, and the closed fluorescent tube 2 long 270mm of rectangle, wide 140mm, fluorescent tube external diameter 50mm charge into 0.16 torr argon gas in the fluorescent tube, fill mercury amount 18mg, mix the high frequency driver 1 of 100W.Realize electrical power 104W, 1 meter of ultraviolet radiation illumination is 280 μ W/cm
2, 50 centimeters are 900 μ W/cm
2
Embodiment 3: as shown in Figure 3, present embodiment is similar with embodiment 1, and different is that said closed annular fluorescent tube 2 is the closed annular fluorescent tube of fluorescent tube external diameter 56mm.Present embodiment is the outer coupled electrodeless uviol lamp of 220W, and the closed fluorescent tube 2 long 440mm of rectangle, wide 160mm, fluorescent tube external diameter 56mm charge into 0.09 torr argon gas in the fluorescent tube, fill mercury amount 35mg, mix the high frequency driver 1 of 220W.Realize electrical power 217W, 1 meter of ultraviolet radiation illumination is 900 μ W/cm
2
Claims (4)
1. the outer coupled electrodeless uviol lamp of a high-power rectangle; Comprise that section is closed fluorescent tube, coupler and the high frequency driver of annular; It is characterized in that said closed fluorescent tube is the closed fluorescent tube of the rectangular rectangle of profile; The caliber of the closed fluorescent tube of said rectangle be 46mm to 56mm, said coupler is made up of first coupler unit and second coupler unit, said first coupler unit and second coupler unit are nested with respectively at the closed tube outer wall of rectangle; And lay respectively on two minor faces of the closed fluorescent tube symmetry of rectangle, said first coupler unit and second coupler unit all are connected with high frequency driver.
2. the outer coupled electrodeless uviol lamp of high-power rectangle as claimed in claim 1 is characterized in that the closed fluorescent tube of rectangle that the closed fluorescent tube of said rectangle is the long 350mm of fluorescent tube, wide 80mm, external diameter 46mm.
3. the outer coupled electrodeless uviol lamp of high-power rectangle as claimed in claim 1 is characterized in that the closed fluorescent tube of rectangle that the closed fluorescent tube of said rectangle is the long 270mm of fluorescent tube, wide 140mm, external diameter 50mm.
4. the outer coupled electrodeless uviol lamp of high-power rectangle as claimed in claim 1 is characterized in that the closed fluorescent tube of rectangle that the closed fluorescent tube of said rectangle is the long 440mm of fluorescent tube, wide 160mm, external diameter 56mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203546902U CN202230979U (en) | 2011-09-21 | 2011-09-21 | High-power rectangular externally-coupled electrodeless ultraviolet lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203546902U CN202230979U (en) | 2011-09-21 | 2011-09-21 | High-power rectangular externally-coupled electrodeless ultraviolet lamp |
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| Publication Number | Publication Date |
|---|---|
| CN202230979U true CN202230979U (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203546902U Expired - Fee Related CN202230979U (en) | 2011-09-21 | 2011-09-21 | High-power rectangular externally-coupled electrodeless ultraviolet lamp |
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| CN (1) | CN202230979U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128934A (en) * | 2016-08-12 | 2016-11-16 | 安徽中杰信息科技有限公司 | Electrodeless ultraviolet lamp |
-
2011
- 2011-09-21 CN CN2011203546902U patent/CN202230979U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128934A (en) * | 2016-08-12 | 2016-11-16 | 安徽中杰信息科技有限公司 | Electrodeless ultraviolet lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20170921 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |