CN1047495C - Discharger of short-arc pulsed gas discharge lamp - Google Patents
Discharger of short-arc pulsed gas discharge lamp Download PDFInfo
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- CN1047495C CN1047495C CN96116369A CN96116369A CN1047495C CN 1047495 C CN1047495 C CN 1047495C CN 96116369 A CN96116369 A CN 96116369A CN 96116369 A CN96116369 A CN 96116369A CN 1047495 C CN1047495 C CN 1047495C
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Abstract
The present invention relates to a discharge device for a short-arc pulse gas discharge lamp, which is mainly used for a spherical pulse xenon lamp or other short-arc gas discharge light sources. The discharge device for a short-arc pulse gas discharge lamp comprises a charge and discharge loop and a pulse triggering charge and discharge loop which are connected to a gas discharge lamp, wherein an assembly formed by the method that a plurality of high-voltage diodes or a plurality of high-voltage diodes are connected with an inductor in series is connected to the discharge loop in series. A positive electrode of the gas discharge lamp penetrates through the center of a coil connected with a negative electrode of the gas discharge lamp. The present invention has the characteristics of simple structure, portability, large working voltage range of the discharge lamp, good controllability, concentrated luminescence and easy formation of a pont light source.
Description
The present invention relates to the electric discharge device of the short-arc pulsed gas discharge lamp that a kind of high-voltage pulse of short arc glow discharge spot lamp starts, be mainly used in the glow discharge spot lamp of spherical xenon flash lamp and other short arcs.
Prior art:
The existing electric discharge device that is used for the short arc glow discharge spot lamp roughly can be divided into three kinds:
1. the discharging structure of external trigger mode:
L.Waszak in the triggering mode of enumerating photoflash lamp in 1969 during in the design of discussing pulsed laser power supply first kind be the electric discharge device (as Fig. 1) of external trigger mode:
High voltage source 1 is charged to storage capacitor 3 by resistance 2, power supply 10 charges to electric capacity 7 by resistance 9, after controllable silicon 8 is triggered, electric capacity 7 is by elementary and controllable silicon 8 discharges of transformer 6, the secondary induction of transformer 6 go out high-voltage pulse make gaseous discharge lamp 5 breakdown potentials from, then electric capacity 3 to lamp 5 discharges, is finished once flash of light by inductance 4.This structure is simpler, uses extensively, but inapplicable to short-arc lamp, because the discharge arc column will form concurrent exhibition at random along lamp tube wall when lamp is breakdown, discharge can not concentrate between the two poles of the earth, can not form stable point-source of light (L.Waszak; Microwaves, 1969 (May), 8, No.5,130～138).
The series connection triggering mode discharging structure:
The electric discharge device of the another kind of photoflash lamp triggering mode of L.Waszak report, as Fig. 2, high voltage source 1 is charged to electric capacity 3 by resistance 2, power supply 10 charges to electric capacity 7 by resistance 9, after controllable silicon 8 is triggered, electric capacity 7 by controllable silicon 8, transformer 11 elementary discharge and secondarily level induce high-voltage pulse and make between two electrodes of photoflash lamp 5 and puncture, electric capacity 3 is secondary to lamp 5 discharges by transformer 11 just, forms once flash of light.The advantage of this structure is a reliable trigger, and arc energy concentrates in the middle of the two poles of the earth, but the secondary of transformer 11 will pass through big electric current, and the comparison heaviness that seems is so use not general.
3. the discharging structure of overvoltage triggering mode:
The third structure of L.Waszak report is with the not overvoltage triggering of belt switch, thereby very unstable, does not have practical value.U.S. EG﹠amp; The overvoltage that G company is recommended triggers as Fig. 3, and Practical significance is arranged.Among the figure, high voltage source 1 by resistance 2 to storage capacitor 3 charging and fill more tallerly than the puncture voltage of discharge lamp 5, gap 12 series connection that have trigger electrode insert discharge loop makes lamp not breakdown, and when behind the trigger electrode input trigger impulse of gap 12, gap puncture earlier causes gaseous discharge lamp simultaneously by over-voltage breakdown, trigger flashing.The shortcoming of this structure is that the discharging current of discharge lamp is very big, and shorten useful life, and simultaneously because charging voltage is very high, so the insulation difficulty is also little practical (the EG ﹠amp of the structure of this device; G ELECTROOPTICS, 1983,8).
The discharge of other triggering modes constitutes as the pre-ionization discharging structure, is still the differentiation of external trigger mode discharging structure in essence.
Purpose of the present invention:
When being used to trigger short-arc pulsed discharge lamp, prior art 1 can not make arc stability ground be between two electrodes and prior art 2 undue heavinesses for overcoming, prior art 3 is unfavorable for the shortcomings such as life-span of lamp, provide a kind of light and can make electrical discharge arc concentrate on electric discharge device between short-arc pulsed gas discharge lamp the two poles of the earth, with the flash of light controllability that improves short-arc pulsed gas discharge lamp, increase the service life and really bring into play the usefulness of short arc discharge lamp as point-source of light.
The structure of apparatus of the present invention such as Fig. 4, the anode of short-arc pulsed discharge lamp 5 passes the center of coil 15, coil 15 is connected on the negative electrode of discharge lamp 5, assembly 13 with big Opposed crossing impedance is sealed in the discharge loop between the gaseous discharge lamp 5 and capacitor 3, high voltage source 10 is charged to electric capacity 7 by resistance 9, when controllable silicon 8 is touched out, electric capacity 7 just passes through the elementary discharge of controllable silicon 8 and high voltage pulse transformer 16, constituted the pulse-triggered charging and discharging circuit, the secondary induction of its transformer 16 goes out high-voltage pulse, by high-voltage capacitor 14 lamp 5 is punctured, the storage capacitor 3 that is charged by high voltage source 1 just discharges to lamp 5 by assembly 13, forms flash of light.The effect of assembly 13 is to allow the forward high pressure passes through by stoping the reverse impulse high pressure on the capacitor, and it is breakdown that discharge lamp 5 is easy to.The effect of coil 15 is to change the Electric Field Distribution between the lamp 5 anode negative electrodes, thereby reduces puncture voltage.The effect of capacitor 3 is to store discharge energy, and lamp 5 is to use as point-source of light, and is luminous when it discharges at electric capacity 3, light energy output.The effect of high-voltage capacitance 14 is to allow high voltage pulse pass through to stop the secondary discharge of electric capacity 3 to pulse transformer 16.Power supply 10 provides trigger impulse voltage and charges by the storage capacitor 7 of resistance 9 to trigger element, 8 discharges of controllable silicon trigger switch is used, its conducting under small-signal triggers, make electric energy on the electric capacity 7 to the elementary discharge of high voltage pulse transformer 16, the effect of high voltage pulse transformer 16 is that primary voltage is increased to more than the 15kV so that puncture short-arc pulsed discharge lamp, realizes triggering starting flash of light.
The structure of assembly 13 can have the structure of various ways, and wherein commonly used is:
(1) is composed in series by a plurality of high- voltage diodes 1301,1302,1303, as shown in Figure 5.
(2) be composed in series by a plurality of high- voltage diode 1301,1302,1303 coilloadings 1304, as shown in Figure 6.
Advantage of the present invention:
(1) simple in structure, light:
Compare with prior art (2), save heavy series transformer, only need a high-voltage capacitance 14 and assembly 13, and assembly 13 also is very light.
(2) can guarantee to discharge and take place, make luminous concentrating, form point-source of light, with parts coupling efficiency height such as optical fiber in two interpolar centres of short-arc pulsed discharge lamp.
(3) can guarantee that short-arc pulsed discharge lamp has long useful life.Because triggering mode is to puncture, and the firing voltage of short-arc pulsed discharge lamp is descended greatly, so discharge lamp can be operated in low-voltage state, avoids too high peak current, prolong the life-span of discharge lamp in lamp.The operating voltage range of short arc discharge lamp also increases greatly simultaneously, and controllability strengthens.
Description of drawings:
Fig. 1 is the external trigger mode discharge circuit structural representation of prior art 1.
Fig. 2 is the series connection triggering mode discharge circuit structural representation of prior art 2.
Fig. 3 is the overvoltage triggering mode discharge circuit structural representation of prior art 3.
The electrical block diagram of Fig. 4 gaseous discharge lamp electric discharge device of the present invention.
Fig. 5 is first kind of structure of assembly 13 of the present invention.
Fig. 6 is second kind of structure of assembly 13 of the present invention.
Fig. 7 is the circuit diagram of electric discharge device embodiment of the present invention.
Embodiment:
The rectifier bridge that the 15V alternating current of another group winding output of low-tension transformer 30 is formed through diode 31,32,33,34 becomes direct voltage again and by three end integrated stable voltage circuits 36 it is stable at 15V output again behind filter capacitor 35, supply with pulse generator and amplifier after the filtering once more through electric capacity 37.Pulse generator is made up of not gate 38,39 and resistance 40,41, electric capacity 42.Remove to trigger controllable silicon 50 from resistance 47 output spikes and through coupling capacitance 48 behind the compound amplifying stage of output square-wave voltage through being added to triode 44,45 compositions behind electric capacity 43 and resistance 46 differential, at this moment formerly be charged to the just elementary discharge by controllable silicon 50 and pulse transformer 52 and go out pulse voltage of voltage on the electric capacity 51 at the secondary induction of pulse transformer through resistance 49, wherein one the tunnel through diode 53,54 and electric capacity 55 form get positive signal and anti-jamming circuit after be added to the gate pole of controllable silicon 8 with the trigger impulse high pressure.Another road through diode 56,57 and electric capacity 58 form get positive signal and anti-jamming circuit after trigger controllable silicon 23 again and cause flash of light.The energy of flash of light is by the capacity and the charging voltage decision of capacitor 3, and the frequency of flash of light is by the square wave frequency decision of oscillator output.
Claims (2)
1. discharger of short-arc pulsed gas discharge lamp, contain by power supply (1) and electric capacity (3) and constitute charging and discharging circuit gaseous discharge lamp (5), by the pulse-triggered charging and discharging circuit that the primary side of high voltage source (10), resistance (9), electric capacity (7), controllable silicon (8) and high voltage pulse transformer (16) constitutes, it is characterized in that the anode of gaseous discharge lamp (5) passes the center of a coil (15): coil (15) links to each other with the negative electrode of gaseous discharge lamp (5); In discharge loop, be in series with assembly (13) between gaseous discharge lamp (5) and the capacitor (3); The anode of gaseous discharge lamp (5) is connected in the secondary end of high voltage pulse transformer (16) by high-voltage capacitor (14).
2. according to the described gaseous discharge lamp electric discharge device of claim 1, it is characterized in that described assembly (13) is made of a plurality of high-voltage diodes (1301), (1302), (1303) series connection; Or by a plurality of high-voltage diodes (1301), (1302), (1303) and inductance (1304) series connection formation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96116369A CN1047495C (en) | 1996-05-27 | 1996-05-27 | Discharger of short-arc pulsed gas discharge lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96116369A CN1047495C (en) | 1996-05-27 | 1996-05-27 | Discharger of short-arc pulsed gas discharge lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1166772A CN1166772A (en) | 1997-12-03 |
| CN1047495C true CN1047495C (en) | 1999-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96116369A Expired - Fee Related CN1047495C (en) | 1996-05-27 | 1996-05-27 | Discharger of short-arc pulsed gas discharge lamp |
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| Country | Link |
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| CN (1) | CN1047495C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102595749B (en) * | 2012-01-06 | 2013-12-25 | 中国科学院上海光学精密机械研究所 | Pulse continuous dual-purpose high-speed photography lighting device |
| CN105472854B (en) * | 2014-08-07 | 2018-12-18 | 长春理工大学 | A kind of igniter of the rechargeable hyperbar gas-discharge lamp of capacitor resonance |
| EP3624564A1 (en) * | 2018-09-13 | 2020-03-18 | Rovak GmbH | Method and assembly for flash lamp control |
| IL296637A (en) * | 2020-03-19 | 2022-11-01 | Ariel Scient Innovations Ltd | Hardware random number generator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1041480A (en) * | 1988-06-23 | 1990-04-18 | 东芝照明技术株式会社 | Short arc discharge lamp |
| CN2119073U (en) * | 1991-11-20 | 1992-10-14 | 邮电部南京通信设备厂 | Electronic ballast of high voltage gas discharge lamp |
-
1996
- 1996-05-27 CN CN96116369A patent/CN1047495C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1041480A (en) * | 1988-06-23 | 1990-04-18 | 东芝照明技术株式会社 | Short arc discharge lamp |
| CN2119073U (en) * | 1991-11-20 | 1992-10-14 | 邮电部南京通信设备厂 | Electronic ballast of high voltage gas discharge lamp |
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| Publication number | Publication date |
|---|---|
| CN1166772A (en) | 1997-12-03 |
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