CN101660675A - Ultraviolet irradiation device - Google Patents
Ultraviolet irradiation device Download PDFInfo
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- CN101660675A CN101660675A CN200910159852A CN200910159852A CN101660675A CN 101660675 A CN101660675 A CN 101660675A CN 200910159852 A CN200910159852 A CN 200910159852A CN 200910159852 A CN200910159852 A CN 200910159852A CN 101660675 A CN101660675 A CN 101660675A
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- microwave
- coaxial cable
- lampshade
- magnetron
- lamp
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Abstract
The present invention provides an ultraviolet irradiation device, which can convert the excited mcirowave into the microwave which can be transmitted to a coaxial cable (14) from a high frequency power supply portion (11) having a built-in excitation magnetron (12), is then transmitted to a lampshade (17) containing with an electrodeless lamp (18) from the coaxial cable (14). A matching adjuster (16) is arranged between the coaxial cable (14) and the lampshade (17), which uses a stub (16a) for performing adjustment of the matching state of the microwave to perform matching, thereby improving the performance of the lamp.
Description
Technical field
The present invention relates to a kind of ultraviolet lamp of microwave power supply mode, more specifically,, also can obtain the ultraviolet ray irradiation of coupling even if under the situation of kind that has changed electrodeless lamp or shape.
Background technology
The coaxial cable that passes through of the open 2003-109787 (patent documentation 1) of Japan Patent transmits the microwave ultraviolet lamp of also this microwave being supplied with electrodeless lamp from the microwave of magnetron output, it is when electrodeless lamp is supplied with microwave energy, transmit from the microwave of magnetron output by coaxial cable, and with this microwave supply electrodeless lamp, thereby feasible luminescence-utraviolet from electrodeless lamp.
The technology of above-mentioned patent documentation 1, in order when supplying with electrodeless lamp from the microwave of magnetron output and with this microwave, to keep matching status by the coaxial cable transmission, the shape of electrodeless lamp or characteristic all are designed to fix, therefore exist under the situation of the kind that has changed electrodeless lamp, matching condition worsens, can't carry out the such problem of only energy supply to electrodeless lamp.
Again, the microwave of exporting from magnetron transmits by coaxial cable, and this microwave is supplied with electrodeless lamp.At this moment, owing to be microwave, therefore has the such problem of energy that the influence of microwave leakage becomes many, can't be suitable for electrodeless lamp most from coaxial cable transmission high-output power.
Summary of the invention
First purpose of the present invention is to provide a kind of ultraviolet lamp, even if this ultraviolet lamp also can have been obtained the ultraviolet irradiation of coupling under the situation of kind that has changed electrodeless lamp or shape, and can be mated reliably with easy structure.
Second purpose of the present invention is to provide a kind of ultraviolet lamp, and this ultraviolet lamp has reduced the transmission loss of the microwave of the high-output power when giving the lampshade contain the electrodeless lamp that makes luminescence-utraviolet by coaxial cable with microwave transfer.
Description of drawings
Fig. 1 is the summary pie graph that is used for illustrating first example of ultraviolet lamp of the present invention.
Fig. 2 is the pie graph of the major part of Fig. 1.
Fig. 3 is used for the pie graph of an example of key diagram 1 employed electrodeless lamp.
Fig. 4 is the pie graph of the major part of Fig. 1.
Fig. 5 is the summary pie graph that is used for illustrating second example of ultraviolet lamp of the present invention.
Fig. 6 is the summary pie graph that is used for illustrating the 3rd example of ultraviolet lamp of the present invention.
Fig. 7 is used for the pie graph of configuration example of major part of key diagram 6.
Fig. 8 is the summary pie graph that is used for illustrating the 4th example of ultraviolet lamp of the present invention.
Fig. 9 is the sectional view of Fig. 8.
Figure 10 is the summary pie graph that is used for illustrating the 5th example of ultraviolet lamp of the present invention.
Figure 11 is the pie graph of the major part of Figure 10.
Figure 12 is the pie graph that is used for illustrating the configuration example of electrodeless lamp used in the present invention.
Figure 13 is a vertical view of observing the Ia-Ib traverse of Figure 10 from the top.
Figure 14 is the sectional view that the part excision of the major part of Figure 10 is shown.
Figure 15 is the sectional view of the IIa-IIb line of Figure 14.
Figure 16 is used for the key diagram of comparative descriptions the present invention and prior art.
Figure 17 is the summary pie graph that is used for illustrating the 6th example of ultraviolet lamp of the present invention.
Figure 18 is the partial perspective view that is used for illustrating other object lessons of coupling adjuster used in the present invention.
Figure 19 is the sectional view of Figure 18.
The specific embodiment
Below, be elaborated to implementing optimal morphology of the present invention with reference to accompanying drawing.
Fig. 1～Fig. 3 is the figure that is used for illustrating first example of ultraviolet lamp of the present invention.Fig. 1 is the summary pie graph, and Fig. 2 is the pie graph of the major part of Fig. 1, and Fig. 3 is the pie graph of the major part of Fig. 1.
In Fig. 1, the 11st, contain the high frequency electric source portion of magnetron 12 in the same basket.The microwave that the magnetron 12 of high frequency electric source portion 11 is sent is supplied with lampshade 17 by connector 13, coaxial cable 14, connector 15 and coupling adjuster 16 respectively.In lampshade 17, electrodeless lamp 18 is housed in assigned position.On the top of lampshade 17, the fan 19 of cooling usefulness is installed, the heat that makes electrodeless lamp 18 be sent is dispelled the heat.Making ultraviolet ray that electrodeless lamp 18 sent reflex to the reflector 21 that is disposed at the back side from the illumination window 20 of the bottom that is formed at lampshade 17 shines.
Configuration has the web plate 22 of opening on illumination window 20, and the opening of this web plate 22 forms netted by for example metal wire braiding or etching and processing forms by metallic plate is carried out.The 23rd, the microwave cavity portion that constituted by electrodeless lamp 18, reflector 21 and web plate 22.
Fig. 2 has shown the pie graph of high frequency electric source portion 11.The 111st, power supply is supplied with magnetron 12 with the electric power of power supply 111, and makes magnetron 12 produce microwave.This microwave is supplied with coaxial/waveguide pipe converter section 113 by waveguide pipe 112, and this coaxial/waveguide pipe converter section 113 is used for the microwave of waveguide pipe 112 is converted to the microwave that coaxial cable 14 is transmitted.The microwave that utilizes coaxial/waveguide pipe converter section 113 to be converted to coaxial cable 14 usefulness passes and is fed to coaxial cable 14, after coupling adjuster 16 couplings, is transmitted to microwave cavity portion 23.
At this, the configuration example of electrodeless lamp 18 is described with reference to Fig. 3.The 181st, by the quartz glass system that ultraviolet ray is seen through, length is the fluorescent tube of the drum about 240mm.Fluorescent tube 181 is done tapered, so that its central portion 182 is thinner than its both ends 183,184, so the external diameter at both ends 183,184 for example is about 17mm, and the external diameter of central portion 182 is about 10mm.
In the emitting space 185 of fluorescent tube 181, enclosing with inert gas and mercury and iron is the discharge medium that utilizes microwave discharge of main component.At the two ends of fluorescent tube 181, the support 186,187 and fluorescent tube 181 one of supporting fluorescent tube 181 constitute.
As shown in Figure 4, stub 16a is installed in the upper side of coupling adjuster 16, and this stub 16a is the adjusting device that mates adjustment under the situation of coupling not obtaining.Stub 16a can be undertaken and electrodeless lamp 18 corresponding impedance matchings by a plurality of adjustment axles 41 of electric conductivity are arranged at coupling adjuster 16 interpolation pullers.Adjust axle 41 and for example form helicla flute 42 in the periphery of adjustment axle 41, adjusting the interior week formation screw thread 44 in hole 43, this adjusts the upper side opening of hole 43 at coupling adjuster 16, and 16a can plug in coupling adjuster 16 by rotation stub 16a stub.
Therefore, can utilize the stub 16a of coupling adjuster 16 to carry out the unmatched adjustment of microwave, thereby realize the irradiation of the microwave that the change with the kind of electrodeless lamp 18 or shape is complementary according to the change of the kind or the shape of electrodeless lamp 18.
Fig. 5 is the summary pie graph that is used for illustrating second example of ultraviolet lamp of the present invention.The component part identical with above-mentioned first example marks identical symbol, and omits its explanation at this.
This example is that stub 16a directly is configured on the upper surface of lampshade 17.That is to say, lampshade 17 itself as parts of mating adjuster 16, and can be directly installed on the adjustment axle 41 of stub 16a on the lampshade 17 with plugging.The irradiation of the microwave that can be complementary by the change that realizes according to the change adjustment adjustment axle 41 of the kind of electrodeless lamp 18 or shape with the kind of electrodeless lamp 18 or shape.
In this case, owing to lampshade 17 can be also used as the part of the formation of mating adjuster 16, therefore can make that structure is simpler.
Fig. 6, Fig. 7 are the figure that is used for illustrating the 3rd example of ultraviolet lamp of the present invention, and Fig. 6 is the summary pie graph, and Fig. 7 is used for the pie graph of an example of major part of key diagram 6.The component part identical with above-mentioned first example marks identical symbol, and omits its explanation at this.
Even this example is used to prevent utilizing coupling adjuster 16 to adjust, the deterioration of the lamp behaviour under the situation that also can't obtain coupling smoothly, continues to use owing to the back wave of microwave under the state of not matching, the life-span of magnetron reduce.
Unconformable state that is to say, if can produce the unusual heating of coaxial cable 14 generations owing to the reflection of microwave.Therefore, as shown in Figure 6, mounting temperature sensor 61 on coaxial cable 14, make the power supply 111 of high frequency electric source portion 11 stop according to the testing result of temperature sensor.
Specifically, as shown in Figure 7, utilize the output voltage of C.T sensor 61 and the comparator 71 of reference voltage V ref to compare, make power supply 111 connect according to comparative result and cut off.That is, under the output of temperature sensor 61 situation lower than reference voltage V ref, the state of comparator 71 for cutting off, power supply 111 is kept the state of connection.Under the output of temperature sensor 61 situation higher than reference voltage V ref, comparator 71 becomes the state of connection, and power supply 111 is controlled to be dissengaged positions.
Like this, even if adjusted under the situation of matching status at utilization coupling adjuster 16, also utilizing temperature sensor 61 to detect the state of temperature of coaxial cable 14 and detect according to testing result is the unmatched state or the state of coupling, helps to prevent the deterioration of the lamp behaviour under the state of not matching, the life-span reduction of magnetron.
Fig. 8, Fig. 9 are the figure that is used for illustrating the 4th example of ultraviolet lamp of the present invention.Fig. 8 is the summary pie graph of major part, and Fig. 9 is the sectional view of Fig. 8.The component part identical with above-mentioned first example marks identical symbol, and omits its explanation at this.
Fig. 8 has shown by the coupling adjuster 16 of connector 15 connections and the coupling part of coaxial cable 14.Coupling adjuster 16 has been improved the means of the coupling of seeking microwave and microwave cavity portion 23.
That is to say,, therefore can carry out the adjustment of impedance matching by plugging the stub portion 81 that carries out the impedance matching adjustment on the direction of arrow in the drawings owing to the slip that has and mate the stub 16a identical function of adjuster 16.
This example also stub 16a with first example is the same, under the unmatched state of microwave, can mate adjustment by plug stub portion 81 in coupling adjuster 16.
Figure 10-Figure 14 is the figure that is used for illustrating the 5th example of ultraviolet lamp of the present invention, Figure 10 is the summary pie graph, Figure 11 is the pie graph of the major part of Figure 10, Figure 12 is the pie graph of the major part of Figure 10, Figure 13 is a vertical view of observing the Ia-Ib traverse of Figure 10 from the top, and Figure 14 cuts the major part of Figure 10 and the sectional view that shows.
Among Figure 10, the 11st, contain the high frequency electric source portion of magnetron 12 in the same basket.The microwave that the magnetron 12 of high frequency electric source portion 11 is sent is supplied to connector 131,132.
As shown in figure 11, the concrete structure between magnetron 12 and the connector 131,132 is, based on power supply 111 and be supplied to connector 131,132 from the microwave that the antenna 121 of magnetron 12 sends respectively by waveguide pipe 112, coaxial/waveguide pipe converter section 113.
The concrete configuration example of Figure 12 has shown coaxial/waveguide pipe converter section 113.The microwave that coaxial/waveguide pipe converter section 113 will send from the antenna 121 of magnetron 12 is as the output of high frequency electric source portion 11, and the waveguide pipe 112 that forms tubular from the material by the energy electromagnetic shielding sends to by the connector 131,132 of electromagnetic combination.Also have, microwave sends to an end of coaxial cable 141,142 respectively from connector 131,132.Connector 131,132 by screwing in the operation of screw, carries out the combination of machinery and electromagnetism respectively, and this screw is charged into the joint portion with waveguide pipe 112 respectively.
In Figure 10, Figure 13, Figure 14, the microwave that is sent by coaxial cable 141,142 is supplied to lampshade 17 by connector 151,152, coupling adjuster 161,162.Coupling adjuster 161,162 is arranged on the position near lampshade 17 in order to carry out more accurate impedance matching.
In lampshade 17, electrodeless lamp 18 is housed in assigned position.In the upper surface part of lampshade 17, the fan 19 of cooling usefulness is installed, the heat that makes electrodeless lamp 18 be launched is dispelled the heat.Being formed at ultraviolet reflection to the reflector 211,212 that is disposed at the back side that the illumination window 20 of the lower surface portion of lampshade 17 sends electrodeless lamp 18 shines.
The RF filter 22 that disposes shield microwaves on illumination window 20, ultraviolet ray is seen through, this RF filter 22 forms for example metal wire braiding netted or forms by metallic plate is carried out etching and processing.The 23rd, the microwave cavity portion that constituted by electrodeless lamp 18, reflector 211,212 and RF filter 22.
Coupling adjuster 161,162 has Figure 14, structure as shown in Figure 15.Figure 14, the 15th coupling adjuster 161 is illustrated, and coupling adjuster 162 also has identical structure.In addition, Figure 15 is the sectional view of the IIa-IIb line of Figure 14.
That is to say, with coupling adjuster 161 make have electric conductivity, by the case shape shape that aluminium is for example made, in the one side connector 151 is installed, be formed with in its another side and make the opening of microwave to 23 emissions of microwave cavity portion.On coupling adjuster 161, also be provided with the reflected voltage that is used for detecting microwave and adjust the stub 16a of corresponding impedance matching with it.
As shown in figure 15, stub 16a is installed in the upper surface of coupling adjuster 161, and this stub 16a is the adjusting device that mates adjustment under the situation of coupling not obtaining.Stub 16a can be undertaken and electrodeless lamp 18 corresponding impedance matchings by a plurality of adjustment axles 41 of electric conductivity are arranged at coupling adjuster 161 interpolation pullers.
Adjust axle 41 and for example form helicla flute 42 in the periphery of adjusting axle 41, adjusting the interior week formation screw thread 44 in hole 43, this adjusts the upper surface open of hole 43 at coupling adjuster 161, by rotation stub 16a stub 16a can be plugged in coupling adjuster 161.
Therefore, can utilize the stub 16a of coupling adjuster 161 to carry out the unmatched adjustment of impedance, thereby can realize the irradiation of the microwave that the change with the kind of electrodeless lamp 18 or shape is complementary according to the change of the kind or the shape of electrodeless lamp 18.
At this, with reference to Figure 16, basket and the Figure 16 (a) of the prior art of lampshade 17 combinations that contain electrodeless lamp 18 and other difference of energy level of the Figure 16 of the present invention (b) that utilizes 2 coaxial cables 141,142 to be connected that utilizes 1 coaxial cable 14a will contain high frequency electric source 11 is described.Figure 16 (a), Figure 16 (b) schematically display lamp shine 17 interior energy ranks.
Figure 16 (a), Figure 16 (b) have schematically shown the situation of using identical cable, magnetron 12 to compare under as these identical conditions of 2.45GHz as the frequency of 500W, the microwave that taken place respectively at coaxial cable 14a, 141,142.
That is the energy rank Wa of the Figure 16 (a) when, the energy rank Wb of Figure 16 (b) of 141,142 o'clock of 2 coaxial cables is with 1 coaxial cable 14a compares about high twice.Therefore, under the situation of using two coaxial cables, the efficient of energy uprises, and then has also improved luminous efficiency.
Obtain the coupling that is conveyed to the energy in the lampshade 17 respectively from 2 coaxial cables 141,142, the energy rank that obtains by coaxial cable 141,142 uprises by addition thus.
Figure 17 is the summary pie graph of major part that is used for illustrating the 6th example of ultraviolet lamp of the present invention.The component part identical with above-mentioned example marks identical symbol, and omits its explanation at this.
This example has been prepared the magnetron 121,122 corresponding respectively with coaxial cable 141,142.
In the coaxial cable that the microwave high-frequency electric current is flowed through, when high frequency electric was flowed through conductor, current density was high in surface of conductors, becomes low more away from surface current density more, promptly so-called skin effect.
In example, because therefore the little magnetron 121,122 of electrification under the energy rank of supplying with fluorescent tube 17 condition identical with above-mentioned example, can suppress the influence and the energy loss of the skin effect of coaxial cable 141,142.
Figure 18, Figure 19 are the figure of other object lessons of the coupling adjuster that is used for illustrating that Figure 15 is illustrated, and Figure 18 is a partial perspective view, and Figure 19 is the sectional view of Figure 18.Though all be that coupling adjuster 161 is described, coupling adjuster 162 also has identical structure.
This example has shown by the coupling adjuster 16 of connector 15 connections and the coupling part of coaxial cable 14.Coupling adjuster 161 has been improved the means of the impedance matching of seeking microwave and microwave cavity portion 23.
That is to say that direction of arrow plug can be carried out this impedance matching in the figure in coupling adjuster 161 and freely the stub portion 81 of sliding, thereby can carry out the coupling adjustment of impedance.
Push-pull structure about stub portion 81 is not illustrated, but can adopt with gears engaged such can make gliding smoothing, the mechanism of state after keeping reliably moving.
In the coupling adjuster 161 of this example, also the same with the illustrated stub 16a of Figure 14, when microwave is in unmatched state, plug stub portion 81 in coupling adjuster 161, thus can carry out the coupling adjustment of impedance.
The present invention is not limited to above-mentioned example.For example, for coaxial cable, explanation be 2 example, but also can be for more than 3.Though magnetron exemplifies to 2 example, also can be for more than 3.Be provided with under the situation of a plurality of magnetrons, may not with the coaxial cable of the corresponding quantity of its quantity, as long as design according to desired specification just passable.
Claims (8)
1. a ultraviolet lamp is characterized in that, comprising:
The magnetron that high frequency electric source portion, this high frequency electric source portion have power supply and according to this power supply microwave produced;
Lampshade, this lampshade contain the electrodeless lamp that is made of light permeability dielectric, enclose with good grounds described microwave in the described electrodeless lamp and make the luminous luminescence medium of discharge medium;
Coaxial cable, described coaxial cable make the microwave transmission that is excited by described magnetron to described lampshade;
The coupling adjustment unit, it adjusts the matching status of the described microwave that is transmitted to described electrodeless lamp along with the change of described electrodeless lamp.
2. ultraviolet lamp as claimed in claim 1 is characterized in that, described coupling adjustment unit dual-purpose is supporting described electrodeless lamp and making the part of the lampshade of ultraviolet ray irradiation.
3. ultraviolet lamp as claimed in claim 1 or 2 is characterized in that, detects the temperature of described coaxial cable, and controls connection from high-tension power supply to described magnetron, the cut-out of supplying with according to testing result.
4. a ultraviolet lamp is characterized in that, comprising:
The magnetron that high frequency electric source portion, this high frequency electric source portion have power supply and according to this power supply microwave produced;
Lampshade, this lampshade contain the electrodeless lamp that is made of light permeability dielectric, enclose with good grounds described microwave in the described electrodeless lamp and make the luminous luminescence medium of discharge medium;
Coaxial cable, described coaxial cable make the microwave transfer that is excited by described magnetron give described lampshade;
Adopt the many described microwave transfer that make to pass on microwave for the coaxial cable of described lampshade.
5. ultraviolet lamp as claimed in claim 4 is characterized in that, described microwave is produced by a plurality of described magnetrons.
6. ultraviolet lamp as claimed in claim 5 is characterized in that, described magnetron is that the number of described coaxial cable is at least the quantity of magnetron under a plurality of situation.
7. as any described ultraviolet lamp among the claim 4-6, it is characterized in that, be respectively equipped with the coupling adjuster that impedance matching is used on the described coaxial cable.
8. ultraviolet lamp as claimed in claim 7 is characterized in that, described coupling adjuster is arranged on described lampshade side.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008216411A JP2010055779A (en) | 2008-08-26 | 2008-08-26 | Ultraviolet irradiation device |
| JP2008216411 | 2008-08-26 | ||
| JP2008308560 | 2008-12-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101660675A true CN101660675A (en) | 2010-03-03 |
Family
ID=41788864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910159852A Pending CN101660675A (en) | 2008-08-26 | 2009-07-10 | Ultraviolet irradiation device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2010055779A (en) |
| CN (1) | CN101660675A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102893340A (en) * | 2010-04-05 | 2013-01-23 | 米尔技术股份有限公司 | RF screen assembly for microwave powered uv lamps |
| CN103346064A (en) * | 2013-07-11 | 2013-10-09 | 成都市巨源光电科技有限公司 | Electrodeless lamp system and lighting-up method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003109787A (en) * | 2001-07-26 | 2003-04-11 | Victor Co Of Japan Ltd | Resonating device for electrodeless discharge lamp |
-
2008
- 2008-08-26 JP JP2008216411A patent/JP2010055779A/en not_active Withdrawn
-
2009
- 2009-07-10 CN CN200910159852A patent/CN101660675A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003109787A (en) * | 2001-07-26 | 2003-04-11 | Victor Co Of Japan Ltd | Resonating device for electrodeless discharge lamp |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102893340A (en) * | 2010-04-05 | 2013-01-23 | 米尔技术股份有限公司 | RF screen assembly for microwave powered uv lamps |
| CN102893340B (en) * | 2010-04-05 | 2016-08-24 | 米尔技术股份有限公司 | RF shield assembly for the UV lamp that microwave is powered |
| CN103346064A (en) * | 2013-07-11 | 2013-10-09 | 成都市巨源光电科技有限公司 | Electrodeless lamp system and lighting-up method thereof |
| CN103346064B (en) * | 2013-07-11 | 2016-04-20 | 成都市巨源光电科技有限公司 | A kind of stepless lamp system and ignition method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2010055779A (en) | 2010-03-11 |
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| PB01 | Publication | ||
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Application publication date: 20100303 |