CN103115678A - Bidirectionally excited spark light source with high repetition frequency - Google Patents
Bidirectionally excited spark light source with high repetition frequency Download PDFInfo
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- CN103115678A CN103115678A CN201310037680XA CN201310037680A CN103115678A CN 103115678 A CN103115678 A CN 103115678A CN 201310037680X A CN201310037680X A CN 201310037680XA CN 201310037680 A CN201310037680 A CN 201310037680A CN 103115678 A CN103115678 A CN 103115678A
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- 239000000835 fiber Substances 0.000 claims abstract description 19
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 34
- 239000003990 capacitor Substances 0.000 claims description 32
- 229910052710 silicon Inorganic materials 0.000 claims description 30
- 239000010703 silicon Substances 0.000 claims description 30
- 238000010304 firing Methods 0.000 claims description 15
- 239000013307 optical fiber Substances 0.000 claims description 15
- 230000003287 optical effect Effects 0.000 claims description 13
- 230000000087 stabilizing effect Effects 0.000 claims description 12
- 230000000977 initiatory effect Effects 0.000 claims description 11
- 238000004804 winding Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 230000005284 excitation Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Abstract
The invention discloses a bidirectionally excited spark light source with high repetition frequency. The bidirectionally excited spark light source comprises a light-guide fiber signal input interface circuit, a double-pulse train generating circuit and a bidirectionally excited high-voltage spark ignition circuit; the light-guide fiber signal input interface circuit is connected with a master control circuit; and one end of the light-guide fiber signal input interface circuit is electrically connected with an input end of an alternating-current power supply, the other end of the light-guide fiber signal input interface circuit is electrically connected with the double-pulse train generating circuit, the light-guide fiber signal input interface circuit is used for being controlled by an external controller and drives the double-pulse train generating circuit, the double-pulse train generating circuit is used for generating thyristor trigger pulses with fixed repetition frequency, the other end of the double-pulse train generating circuit is electrically connected with the bidirectionally excited high-voltage spark ignition circuit, an output end of the bidirectionally excited high-voltage spark ignition circuit is grounded, and another output end of the bidirectionally excited high-voltage spark ignition circuit is electrically connected with a high-voltage end. The bidirectionally excited spark light source has the advantages that interference of a spark excitation circuit to a control circuit of a system is effectively eliminated, the bidirectionally excited spark light source is beneficial to improving the ignition reliability, and the analytic precision of the light source is improved advantageously.
Description
Technical field
The invention belongs to field of spectral analysis technology, especially be fit to be applied to special-purpose direct-reading spark spectrum instrument.
Background technology
The high repetition frequency spark light source possesses the high sensitivity of arc source and the high precision advantage of spark light source, still has using value in Direct Analysis and on-the site analysis application.The method of the high repetition frequency of domestic equipment generation at present spark discharge mainly contains two kinds: classical method and modern digitizing energy adjustable fire flower light-source.Classical method major defect is that the polarity of pilot spark discharge is unidirectional, has limited its reliability in the AC low-tension spark discharge is used; And its high-tension transformer is directly coupled to analytical gap, and there is restriction in the velocity of discharge, can not satisfy the more requirement of high repetition frequency; And the pilot spark energy can't be guaranteed to stablize, and further limits its range of application.Although modern digitizing energy tunable light source can accurately be controlled the spark discharge energy according to the character of concrete sample, still belongs to unidirectional spark discharge, the analytical performance of its light source is not as two-way spark discharge.Simultaneously, this system architecture is complicated, and reliability is low, is not suitable for being subject to certain restrictions in analytical applications at the scene relatively moving under rugged environment.
In addition, present most spark light source system is connected by direct signal with peripheral control unit, and the spark light source circuit itself is a serious electromagnetic interference source, therefore to control circuit exist disturb may.
Summary of the invention
The object of the present invention is to provide the high repetition frequency AC low-tension spark light source that a kind of simple in structure, reliably working is provided, be applied to the two-way high repetition frequency spark light source that excites of direct-reading spark spectrum instrument.
for realizing above purpose, the present invention has taked following technical scheme: a kind of two-way high repetition frequency spark light source that excites, comprise the two-way spark initiation circuit of high repetition frequency, the two-way spark initiation circuit of described high repetition frequency comprises the light transmitting fiber signal input interface circuit that is connected with main control circuit, double pulse train produces circuit and the two-way high tension spark shot-firing circuit that excites, described light transmitting fiber signal input interface circuit one end is electrically connected to ac power input end, the other end produces circuit with double pulse train and is electrically connected to, the light transmitting fiber signal input interface circuit is used for accepting peripheral control unit and controls and drive double pulse train generation circuit, double pulse train produces circuit for generation of the fixing SCR trigger pulse of repetition frequency, double pulse train produces the circuit other end and is electrically connected to the described two-way high tension spark shot-firing circuit that excites, the described two-way high tension spark shot-firing circuit output terminal that excites ground connection reaching respectively is electrically connected to high-pressure side.
further, described light transmitting fiber signal input interface circuit comprises optical-fiber coupler, the first diode, the first resistance, the second resistance, the 3rd resistance and the 4th resistance, electrochemical capacitor, the first triode, optical coupled SCR and transformer, the 3rd output terminal of described optical-fiber coupler is connected with the second output terminal of ac power input end, the second output terminal of optical-fiber coupler connects the positive pole of electrochemical capacitor, the negative pole of electrochemical capacitor connects the second output terminal of ac power input end, the positive pole of the first diode connects the second output terminal of ac power input end, negative pole by the second resistance be connected resistance and be connected with the negative pole of electrochemical capacitor, one end of the 3rd resistance is connected with the negative pole of electrochemical capacitor, the other end is connected with the input of optical coupled SCR is anodal, the input negative pole of optical coupled SCR is connected with the collector of the first triode, the emitter of the first triode connects the 3rd output terminal of optical-fiber coupler, base stage connects the first output terminal of optical-fiber coupler by the 4th resistance, output terminal one end of optical coupled SCR is connected with the emitter of the first triode, the other end is connected to the positive pole of the first diode by primary winding of transformer.
Described double pulse train produces circuit and comprises laterally zygomorphic two parts circuit, is respectively the stable trigger pulse of the positive and negative half cycle output frequency of input AC electricity and produces circuit.
further, described upper partial circuit comprises the second diode, the 5th resistance, the 7th resistance, the 9th resistance, the first voltage stabilizing diode, the first electric capacity, the second triode, the 11 resistance, described the second diode cathode connects transformer the first secondary coil one end, negative pole is by the 5th resistance, the 7th resistance, the first electric capacity connects the transformer first secondary coil other end, the negative pole of described the first voltage stabilizing diode connects between the 5th resistance and the 7th resistance, the cathode connecting transformer first secondary coil other end, the negative pole of described the 9th resistance one termination the first voltage stabilizing diode, the first emitter of another termination the second triode, the base stage of the second triode connects between the 7th resistance and the first electric capacity, the second emitter of the second triode connects an end of the 11 resistance, another termination transformer first secondary coil other end of the 11 resistance.
the described two-way high tension spark shot-firing circuit that excites comprises the 13 resistance, the 14 resistance, the first controllable silicon, the second controllable silicon, the 4th diode, the 5th diode, high-tension transformer, the 3rd electric capacity, current-limiting resistance, after connecting, the negative pole of described the first silicon controlled anode and the 4th diode connects the first output terminal of ac power input end by the 13 resistance, after connecting, the positive pole of the first silicon controlled negative electrode and the 4th diode connects primary winding one end of high-tension transformer, the first silicon controlled is controlled the utmost point and is connect the upper partial circuit that double pulse train produces circuit, described the 14 resistance, the second controllable silicon, be respectively and the 13 resistance with the 5th diode, the first controllable silicon and the symmetrical syndeton of the 4th diode, secondary coil one end of described high-tension transformer connects high-pressure side by current-limiting resistance, other end ground connection.
Also comprise effluve electric capacity, one termination current-limiting resistance, other end ground connection.
The two-way spark initiation circuit of high repetition frequency is being analyzed between discharging gap and auxiliary gap, and at the other fan of establishing of auxiliary gap.
The present invention compared with prior art has following advantage: input adopts light transmitting fiber signal input interface, the fixing double pulse train of frequency to produce the bidirectional high-pressure spark initiation circuit of circuit and energy stabilization.The effectively interference of arc control energizing circuit to system, control circuit; Two-way mode of excitation is particularly suitable for exchanging spark and must excites, and helps to improve the reliability of igniting; The use of high-tension transformer outgoing side electric capacity can be stablized the pilot spark energy, helps to improve the analytical precision of light source.
Description of drawings
Fig. 1 is the whole schematic diagram of spark light source circuit of the present invention;
Fig. 2 is the two-way spark initiation circuit theory diagrams of high repetition frequency.
Embodiment
Below in conjunction with the drawings and specific embodiments, content of the present invention is described in further details.
Embodiment:
see also shown in Figure 1, a kind of two-way high repetition frequency spark light source that excites, comprise the two-way spark initiation circuit 1 of high repetition frequency, the two-way spark initiation circuit 1 of high repetition frequency comprises the light transmitting fiber signal input interface circuit 2 that is connected with main control circuit, double pulse train produces circuit 3 and the two-way high tension spark shot-firing circuit 4 that excites, light transmitting fiber signal input interface circuit 2 one ends are electrically connected to ac power input end J1, the other end produces circuit 3 with double pulse train and is electrically connected to, light transmitting fiber signal input interface circuit 2 is used for accepting peripheral control unit and controls and drive double pulse train generation circuit 3, double pulse train produces circuit 3 for generation of the fixing SCR trigger pulse of repetition frequency, double pulse train produces circuit 3 other ends and is electrically connected to the two-way high tension spark shot-firing circuit 4 that excites, the described two-way high tension spark shot-firing circuit that excites 4 output terminals ground connection reaching respectively are electrically connected to high-pressure side HV.The characteristics of the two-way high tension spark shot-firing circuit 4 that excites are that two-way triggering, fire ignition energy are stable.
see also shown in Figure 2, light transmitting fiber signal input interface circuit 2 comprises optical-fiber coupler J2, the first diode D1, the first resistance R 1, the second resistance R 2, the 3rd resistance R 3 and the 4th resistance R 4, electrochemical capacitor C1, the first triode Q1, optical coupled SCR OPT1 and transformer T1, the 3rd output terminal of optical-fiber coupler J2 is connected with the second output terminal of ac power input end J1, the second output terminal of optical-fiber coupler J2 connects the positive pole of electrochemical capacitor C1, the negative pole of electrochemical capacitor C1 connects the second output terminal of ac power input end J1, the positive pole of the first diode D1 connects the second output terminal of ac power input end J1, negative pole by the second resistance R 2 be connected the negative pole of resistance R 1 with electrochemical capacitor C1 and be connected, one end of the 3rd resistance R 3 is connected with the negative pole of electrochemical capacitor C1, the other end is connected with the input of optical coupled SCR OPT1 is anodal, the input negative pole of optical coupled SCR OPT1 is connected with the collector of the first triode Q1, the emitter of the first triode Q1 connects the 3rd output terminal of optical-fiber coupler J2, base stage connects the first output terminal of optical-fiber coupler J2 by the 4th resistance (R4), output terminal one end of optical coupled SCR OPT1 is connected with the emitter of the first triode Q1, the other end is connected to the positive pole of the first diode D1 by primary winding of transformer T1.Peripheral control unit is controlled optical coupled SCR OPT1 conducting by light transmitting fiber, makes double pulse train produce circuit 3 work.
Double pulse train produces circuit 3 and comprises laterally zygomorphic two parts circuit, the first half is in the positive half cycle work of input AC electricity, produce the fixing SCR trigger pulse of frequency, the latter half is in the negative half period work of input AC electricity, exports the pulse of setting out of the fixing controllable silicon of another class frequency.
upper partial circuit comprises the second diode D2, the 5th resistance R 5, the 7th resistance R 7, the 9th resistance R 9, the first voltage stabilizing diode DZ1, the first capacitor C 2, the second triode Q2, the 11 resistance R 11, second diode D2 cathode connecting transformer T1 the first secondary coil one end, negative pole is by the 5th resistance R 5, the 7th resistance R 7, the first capacitor C 2 connects the transformer T1 first secondary coil other end, the negative pole of the first voltage stabilizing diode DZ1 connects between the 5th resistance R 5 and the 7th resistance R 7, the cathode connecting transformer T1 first secondary coil other end, the negative pole of the 9th resistance R 9 one termination the first voltage stabilizing diode DZ1, the first emitter of another termination the second triode Q2, the base stage of the second triode Q2 connects between the 7th resistance R 7 and the first capacitor C 2, the second emitter of the second triode Q2 connects an end of the 11 resistance R 11, the 11 resistance R 11 another termination transformer T1 first secondary coil other ends.Lower partial circuit comprises the 3rd diode D3, the 6th resistance R 6, the 8th resistance R 8, the tenth resistance R 10, the second voltage stabilizing diode DZ2, the second capacitor C 3, the 3rd triode Q3, the 12 resistance R 12, the connection of lower partial circuit and upper partial circuit are symmetrical, therefore its syndeton no longer describes in detail, specifically asks for an interview Fig. 2.
The repetition frequency of two group pulses only depends on the parameter of the elements such as the first voltage stabilizing diode DZ1, the second voltage stabilizing diode DZ2, the 7th resistance R 7, the 8th resistance R 8, the first capacitor C 2, the second capacitor C 3, the second triode Q2 and the 3rd triode Q3, can need to select the parameter of these elements according to concrete application, can be according to the concrete choose reasonable that requires.This is the two-way basis of signals of igniting that high repetition frequency exchanges spark.
the two-way high tension spark shot-firing circuit 4 that excites comprises the 13 resistance R 13, the 14 resistance R 14, the first controllable silicon S1, the second controllable silicon S2, the 4th diode D4, the 5th diode D5, high-tension transformer T2, the 3rd capacitor C 4, current-limiting resistance R15, after connecting, the negative pole of the anode of the first controllable silicon S1 and the 4th diode D4 connects the first output terminal of ac power input end J1 by the 13 resistance R 13, after connecting, the positive pole of the negative electrode of the first controllable silicon S1 and the 4th diode D4 connects primary winding one end of high-tension transformer T2, the control utmost point of the first controllable silicon S1 connects the upper partial circuit that double pulse train produces circuit 3, described the 14 resistance R 14, the second controllable silicon S2, be respectively and the 13 resistance R 13 with the 5th diode D5, the first controllable silicon S1 and the 4th symmetrical syndeton of diode D4, secondary coil one end of high-tension transformer T2 meets high-pressure side HV by current-limiting resistance R15, other end ground connection.The characteristics of this circuit are that the first controllable silicon S1, the second controllable silicon S2, the 4th diode D4, the 5th diode D5 consist of two-way energizing circuit, make the secondary output high pressure firing pulse identical with alternating current polarity of high-tension transformer T2.
Also comprise effluve capacitor C 5, one termination current-limiting resistance R15, other end ground connection.Because the use of high-voltage capacitance C5 makes each firing pulse energy reserving stable.
adopt unidirectional the first controllable silicon S1, the first controllable silicon S2 and the 4th diode D4, the 5th diode D5 consists of two-way energizing circuit, the first controllable silicon S1, first controllable silicon S2 conducting under the triggering of pulse separately, make the 3rd capacitor C 4, resonance occurs with high-tension transformer T2 in the 4th capacitor C 5, when the voltage zero-cross of the 3rd capacitor C 4, the first controllable silicon S1 or the second controllable silicon S2 cut-off, make the energy that is stored on the 3rd capacitor C 4 all transfer to effluve capacitor C 5, and result from the identical high tension spark discharge of alternating current polarity at last on analysis discharging gap AG shown in Figure 1.The energy of pilot spark depends on that the 4th capacitor C 5 and auxiliary gap FG voltage breakdown as shown in Figure 1 determine.
The two-way spark initiation circuit 1 of high repetition frequency is being analyzed between discharging gap AG and auxiliary gap FG, and establishes fan by auxiliary gap FG, and the fan purge that is arranged specially keeps its stable breakdown voltage.
In circuit as shown in Figure 2, effluve capacitor C 5, current-limiting resistance R15 are larger because of volume, be not suitable for being arranged on circuit board, other elements are arranged in the same circuit board, this circuit board is positioned at and the space of analyzing discharging gap AG, the effective electromagnetic isolation of auxiliary gap FG, and simple metallic shield is exactly effective.Analytical gap is also the sample sampling apparatus simultaneously, usually is arranged in special sample chamber.
According to the requirement of using the spark repetition frequency, select suitable DZ1, R7, C2, Q2 and DZ2, R8, C3, Q3 component parameters.Usually DZ1, DZ2, Q2, Q3 component parameters are relatively fixing, mainly select the parameter of four elements such as R7, C2, R8, C3.
According to the requirement of concrete analysis application to spark energy, the capacity of electrochemical capacitor C1 in the capacity of capacitor C 1 and Fig. 2 in selection Fig. 1, then, in order to keep selected discharge frequency requirement, the resistance R 1 in selection Fig. 1 and the 13 resistance R 13, the 14 R14 resistance in Fig. 2.
The maximum output voltage that high-tension transformer T2 produces is 14KV.Other component parameters are selected with the requirement of general electronic circuit.
Above-listed detailed description is that this embodiment limits the scope of the claims of the present invention for the illustrating of possible embodiments of the present invention, and the equivalence that all the present invention of disengaging do is implemented or change, all should be contained in the scope of the claims of this case.
Claims (7)
1. two-way high repetition frequency spark light source that excites, comprise the two-way spark initiation circuit of high repetition frequency (1), it is characterized in that: the two-way spark initiation circuit of described high repetition frequency (1) comprises the light transmitting fiber signal input interface circuit (2) that is connected with main control circuit, double pulse train produces circuit (3) and the two-way high tension spark shot-firing circuit (4) that excites, described light transmitting fiber signal input interface circuit (2) one ends are electrically connected to ac power input end (J1), the other end produces circuit (3) with double pulse train and is electrically connected to, light transmitting fiber signal input interface circuit (2) is used for accepting peripheral control unit and controls and drive double pulse train generation circuit (3), double pulse train produces circuit (3) for generation of the fixing SCR trigger pulse of repetition frequency, double pulse train produces circuit (3) other end and is electrically connected to the described two-way high tension spark shot-firing circuit (4) that excites, described two-way high tension spark shot-firing circuit (4) output terminal that excites ground connection reaching respectively is electrically connected to high-pressure side (HV).
2. the two-way high repetition frequency spark light source that excites as claimed in claim 1, it is characterized in that: described light transmitting fiber signal input interface circuit (2) comprises optical-fiber coupler (J2), the first diode (D1), the first resistance (R1), the second resistance (R2), the 3rd resistance (R3) and the 4th resistance (R4), electrochemical capacitor (C1), the first triode (Q1), optical coupled SCR (OPT1) and transformer (T1), the 3rd output terminal of described optical-fiber coupler (J2) is connected with the second output terminal of ac power input end (J1), the second output terminal of optical-fiber coupler (J2) connects the positive pole of electrochemical capacitor (C1), the negative pole of electrochemical capacitor (C1) connects the second output terminal of ac power input end (J1), the positive pole of the first diode (D1) connects the second output terminal of ac power input end (J1), negative pole by the second resistance (R2) be connected the negative pole of resistance (R1) with electrochemical capacitor (C1) and be connected, one end of the 3rd resistance (R3) is connected with the negative pole of electrochemical capacitor (C1), the other end is connected with the input of optical coupled SCR (OPT1) is anodal, the input negative pole of optical coupled SCR (OPT1) is connected with the collector of the first triode (Q1), the emitter of the first triode (Q1) connects the 3rd output terminal of optical-fiber coupler (J2), base stage connects the first output terminal of optical-fiber coupler (J2) by the 4th resistance (R4), output terminal one end of optical coupled SCR (OPT1) is connected with the emitter of the first triode (Q1), the other end is connected to the positive pole of the first diode (D1) by primary winding of transformer (T1).
3. the two-way high repetition frequency spark light source that excites as claimed in claim 2, it is characterized in that: described double pulse train produces circuit (3) and comprises laterally zygomorphic two parts circuit, is respectively the stable trigger pulse of the positive and negative half cycle output frequency of input AC electricity and produces circuit.
4. the two-way high repetition frequency spark light source that excites as claimed in claim 3, it is characterized in that: described upper partial circuit comprises the second diode (D2), the 5th resistance (R5), the 7th resistance (R7), the 9th resistance (R9), the first voltage stabilizing diode (DZ1), the first electric capacity (C2), the second triode (Q2), the 11 resistance (R11), described the second diode (D2) cathode connecting transformer (T1) the first secondary coil one end, negative pole is by the 5th resistance (R5), the 7th resistance (R7), the first electric capacity (C2) connects transformer (T1) the first secondary coil other end, the negative pole of described the first voltage stabilizing diode (DZ1) connects between the 5th resistance (R5) and the 7th resistance (R7), cathode connecting transformer (T1) the first secondary coil other end, the negative pole of described the 9th resistance (R9) termination first voltage stabilizing diode (DZ1), the first emitter of another termination the second triode (Q2), the base stage of the second triode (Q2) connects between the 7th resistance (R7) and the first electric capacity (C2), the second emitter of the second triode (Q2) connects an end of the 11 resistance (R11), another termination transformer (T1) first secondary coil other end of the 11 resistance (R11).
5. the two-way high repetition frequency spark light source that excites as claimed in claim 4, it is characterized in that: the described two-way high tension spark shot-firing circuit (4) that excites comprises the 13 resistance (R13), the 14 resistance (R14), the first controllable silicon (S1), the second controllable silicon (S2), the 4th diode (D4), the 5th diode (D5), high-tension transformer (T2), the 3rd electric capacity (C4), current-limiting resistance (R15), after connecting, the negative pole of the anode of described the first controllable silicon (S1) and the 4th diode (D4) connects the first output terminal of ac power input end (J1) by the 13 resistance (R13), after connecting, the positive pole of the negative electrode of the first controllable silicon (S1) and the 4th diode (D4) connects primary winding one end of high-tension transformer (T2), the control utmost point of the first controllable silicon (S1) connects the upper partial circuit that double pulse train produces circuit (3), described the 14 resistance (R14), the second controllable silicon (S2), be respectively and the 13 resistance (R13) with the 5th diode (D5), the first controllable silicon (S1) and the symmetrical syndeton of the 4th diode (D4), secondary coil one end of described high-tension transformer (T2) connects high-pressure side (HV) by current-limiting resistance (R15), other end ground connection.
6. the two-way high repetition frequency spark light source that excites as claimed in claim 5, is characterized in that: also comprise effluve electric capacity (C5), one termination current-limiting resistance (R15), other end ground connection.
7. the two-way high repetition frequency spark light source that excites as claimed in claim 1, it is characterized in that: the two-way spark initiation circuit of high repetition frequency (1) is positioned to be analyzed between discharging gap (AG) and auxiliary gap (FG), and at the other fan of establishing of auxiliary gap (FG).
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103968941A (en) * | 2014-05-22 | 2014-08-06 | 江苏鑫知源仪器有限公司 | Photoelectric direct reading spectrometer spark light source |
| CN104753508A (en) * | 2013-12-30 | 2015-07-01 | 上海普锐马电子有限公司 | High-voltage large-current electronic switch |
| CN113340437A (en) * | 2020-02-18 | 2021-09-03 | 阿自倍尔株式会社 | Light detection system, discharge probability calculation method, and light receiving amount measurement method |
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| CN102713254A (en) * | 2009-08-18 | 2012-10-03 | 伍德沃德公司 | Multiplexing drive circuit for an AC ignition system |
| CN102853911A (en) * | 2012-08-29 | 2013-01-02 | 昆山书豪仪器科技有限公司 | Electromagnetic compatibility device for spark light source of photoelectric direct-reading spectrometer |
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| DE4427350A1 (en) * | 1993-08-06 | 1995-04-20 | Siemens Ag | Ignition device (starting device) for a high-pressure lamp |
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| CN113340437A (en) * | 2020-02-18 | 2021-09-03 | 阿自倍尔株式会社 | Light detection system, discharge probability calculation method, and light receiving amount measurement method |
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| CN103115678B (en) | 2015-01-21 |
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