CN103115678B - 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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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, be especially applicable to being applied to special direct-reading spark spectrum instrument.
Background technology
High repetition frequency spark light source possesses the high sensitivity of arc source and the high precision advantage of spark light source, in Direct Analysis and on-the site analysis application, still have using value.The method that current domestic equipment produces high repetition frequency spark discharge mainly contains two kinds: classical method and modern digitized energy adjustable fire flower light-source.Classical method major defect is the polarity of pilot spark electric discharge is unidirectional, in AC low-tension spark discharge application, limit its reliability; And its high-tension transformer is directly coupled to analytical gap, there is restriction in the velocity of discharge, can not meet the requirement of more high repetition frequency; And pilot spark energy cannot be guaranteed to stablize, and limits its range of application further.Although modern digitized energy tunable light source accurately can control spark discharge energy according to the character of concrete sample, still belong to unidirectional spark discharge, the analytical performance of its light source is not as two-way spark discharge.Meanwhile, this system architecture is complicated, and reliability is low, is not suitable for running under the environment of rather harsh, is subject to certain restrictions at the scene in analytical applications.
In addition, current most spark light source system is connected by direct signal with peripheral control unit, and spark light source circuit itself is a serious electromagnetic interference source, therefore to control circuit there is interference may.
Summary of the invention
The object of the present invention is to provide provides that a kind of structure is simple, the high repetition frequency AC low-tension spark light source of reliably working, is applied to the two-way high repetition frequency spark light source excited of direct-reading spark spectrum instrument.
For realizing above object, this invention takes following technical scheme: a kind of two-way high repetition frequency spark light source excited, comprise the two-way spark initiation circuit of high repetition frequency, the two-way spark initiation circuit of described high repetition frequency comprises the fiber optic signals input interface circuit be connected with main control circuit, double pulse train produces circuit and the two-way high tension spark shot-firing circuit excited, described fiber optic signals input interface circuit one end is electrically connected with ac power input end, the other end and double pulse train produce circuit and are electrically connected, fiber optic signals input interface circuit is used for accepting peripheral control unit and controls and drive double pulse train to produce circuit, double pulse train produces the SCR trigger pulse that circuit is fixed for generation of repetition frequency, double pulse train produces the circuit other end and is electrically connected with the described two-way high tension spark shot-firing circuit excited, the described two-way high tension spark shot-firing circuit output terminal excited is distinguished ground connection and is electrically connected with high-pressure side.
Further, described fiber optic signals input interface circuit comprises optical-fiber coupler, first diode, first resistance, second resistance, 3rd resistance and the 4th resistance, electrochemical capacitor, first triode, optical coupled SCR and transformer, 3rd output terminal of described optical-fiber coupler is connected with the second output terminal of ac power input end, 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 is connected with the negative pole of electrochemical capacitor with the first resistance by the second resistance, one end of 3rd resistance is connected with the negative pole of electrochemical capacitor, the other end is connected with the input positive pole of optical coupled SCR, 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, and the trigger pulse being respectively the positive and negative half cycle output frequency of input AC electricity stable produces circuit.
Further, described upper part circuit comprises the second diode, 5th resistance, 7th resistance, 9th resistance, first voltage stabilizing diode, first electric capacity, second triode, 11 resistance, described second diode cathode connects transformer first secondary coil one end, negative pole is by the 5th resistance, 7th resistance, first electric capacity connects the transformer first secondary coil other end, the negative pole of described 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 9th resistance one termination first voltage stabilizing diode, first emitter of another termination second triode, the base stage of the second triode connects between the 7th resistance and the first electric capacity, second emitter of the second triode connects one end of the 11 resistance, another termination transformer first secondary coil other end of 11 resistance.
The described two-way high tension spark shot-firing circuit excited comprises the 13 resistance, 14 resistance, first controllable silicon, second controllable silicon, 4th diode, 5th diode, high-tension transformer, 3rd electric capacity, current-limiting resistance, connect the first output terminal of ac power input end by the 13 resistance after described first silicon controlled anode is connected with the negative pole of the 4th diode, first silicon controlled negative electrode connects primary winding one end of high-tension transformer after being connected with the positive pole of the 4th diode, first silicon controlled controls pole and connects the upper part circuit that double pulse train produces circuit, described 14 resistance, second controllable silicon, be respectively and the 13 resistance with the 5th diode, 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 between analysis discharging gap and auxiliary gap, and establishes fan on auxiliary gap side.
Compared with prior art, tool has the following advantages in the present invention: the double pulse train that input adopts fiber optic signals input interface, frequency is fixed produces the bidirectional high-pressure spark initiation circuit of circuit and energy stabilization.Effective arc control energizing circuit is to the interference of system, control circuit; Two-way mode of excitation is particularly suitable for AC spark and must excites, and contributes to improving the reliability of igniting; The use of high-tension transformer outgoing side electric capacity can stablize pilot spark energy, contributes to the analytical precision improving light source.
Accompanying drawing explanation
Fig. 1 is the overall 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:
Refer to shown in Fig. 1, a kind of two-way high repetition frequency spark light source excited, 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 fiber optic signals input interface circuit 2 be connected with main control circuit, double pulse train produces circuit 3 and the two-way high tension spark shot-firing circuit 4 excited, fiber optic signals input interface circuit 2 one end is electrically connected with ac power input end J1, the other end and double pulse train produce circuit 3 and are electrically connected, fiber optic signals input interface circuit 2 controls for accepting peripheral control unit and drives double pulse train to produce circuit 3, double pulse train produces the SCR trigger pulse that circuit 3 is fixed for generation of repetition frequency, double pulse train produces circuit 3 other end and is electrically connected with the two-way high tension spark shot-firing circuit 4 excited, described two-way high tension spark shot-firing circuit 4 output terminal excited is distinguished ground connection and is electrically connected with high-pressure side HV.The feature of the two-way high tension spark shot-firing circuit 4 excited is two-way triggerings, fire ignition energy is stablized.
Refer to shown in Fig. 2, fiber optic signals input interface circuit 2 comprises optical-fiber coupler J2, first diode D1, first resistance R1, second resistance R2, 3rd resistance R3 and the 4th resistance R4, electrochemical capacitor C1, first triode Q1, optical coupled SCR OPT1 and transformer T1, 3rd output terminal of optical-fiber coupler J2 is connected with second output terminal of ac power input end J1, second output terminal of optical-fiber coupler J2 connects the positive pole of electrochemical capacitor C1, the negative pole of electrochemical capacitor C1 connects second output terminal of ac power input end J1, the positive pole of the first diode D1 connects second output terminal of ac power input end J1, negative pole is connected with the negative pole of electrochemical capacitor C1 with the first resistance R1 by the second resistance R2, one end of 3rd resistance R3 is connected with the negative pole of electrochemical capacitor C1, the other end is connected with the input positive pole of optical coupled SCR OPT1, 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 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 controls optical coupled SCR OPT1 conducting by light transmitting fiber, makes double pulse train produce circuit 3 and works.
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 SCR trigger pulse that frequency is fixing, the latter half, then in the negative half period work of input AC electricity, exports the fixing controllable silicon of another class frequency and to set out pulse.
Upper part circuit comprises the second diode D2, 5th resistance R5, 7th resistance R7, 9th resistance R9, first voltage stabilizing diode DZ1, first electric capacity C2, second triode Q2, 11 resistance R11, second diode D2 cathode connecting transformer T1 first secondary coil one end, negative pole is by the 5th resistance R5, 7th resistance R7, first electric capacity C2 connects the transformer T1 first secondary coil other end, the negative pole of the first voltage stabilizing diode DZ1 connects between the 5th resistance R5 and the 7th resistance R7, the cathode connecting transformer T1 first secondary coil other end, the negative pole of the 9th resistance R9 mono-termination first voltage stabilizing diode DZ1, first emitter of another termination second triode Q2, the base stage of the second triode Q2 connects between the 7th resistance R7 and the first electric capacity C2, second emitter of the second triode Q2 connects one end of the 11 resistance R11, another termination transformer of 11 resistance R11 T1 first secondary coil other end.Lower part circuit comprises the 3rd diode D3, the 6th resistance R6, the 8th resistance R8, the tenth resistance R10, the second voltage stabilizing diode DZ2, the second electric capacity C3, the 3rd triode Q3, the 12 resistance R12, the connection of lower part circuit and upper part circuit 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 R7, the 8th resistance R8, the first electric capacity C2, the second electric capacity C3, the second triode Q2 and the 3rd triode Q3, the parameter selecting these elements can be needed according to concrete application, can according to concrete requirement choose reasonable.This is the two-way basis of signals of igniting of high repetition frequency AC spark.
The two-way high tension spark shot-firing circuit 4 excited comprises the 13 resistance R13, 14 resistance R14, first controllable silicon S1, second controllable silicon S2, 4th diode D4, 5th diode D5, high-tension transformer T2, 3rd electric capacity C4, current-limiting resistance R15, connect first output terminal of ac power input end J1 by the 13 resistance R13 after the anode of the first controllable silicon S1 is connected with the negative pole of the 4th diode D4, primary winding one end of high-tension transformer T2 is connect after the negative electrode of the first controllable silicon S1 is connected with the positive pole of the 4th diode D4, the control pole of the first controllable silicon S1 connects the upper part circuit that double pulse train produces circuit 3, described 14 resistance R14, second controllable silicon S2, be respectively and the 13 resistance R13 with the 5th diode D5, the syndeton that first controllable silicon S1 and the 4th diode D4 is symmetrical, secondary coil one end of high-tension transformer T2 meets high-pressure side HV by current-limiting resistance R15, other end ground connection.The feature of this circuit is the first controllable silicon S1, the second controllable silicon S2, the 4th diode D4, the 5th diode D5 form two-way energizing circuit, makes the high voltage ignition pulse that the secondary output of high-tension transformer T2 is identical with alternating electrical polarity.
Also comprise effluve electric capacity C5, one termination current-limiting resistance R15, other end ground connection.Because the use of high-voltage capacitance C5, each firing pulse energy is made to keep stable.
Adopt unidirectional first controllable silicon S1, first controllable silicon S2 and the 4th diode D4, 5th diode D5 forms two-way energizing circuit, first controllable silicon S1, first controllable silicon S2 conducting under the triggering of respective pulse, make the 3rd electric capacity C4, there is resonance in the 4th electric capacity C5 and high-tension transformer T2, when the voltage zero-cross of the 3rd electric capacity C4, first controllable silicon S1 or the second controllable silicon S2 ends, the energy be stored on the 3rd electric capacity C4 is made all to transfer to effluve electric capacity C5, and on the analysis discharging gap AG shown in Fig. 1, finally result from the high tension spark electric discharge that alternating electrical polarity is identical.The energy of pilot spark depends on that the 4th electric capacity C5 and auxiliary gap FG voltage breakdown as shown in Figure 1 determine.
The two-way spark initiation circuit 1 of high repetition frequency between analysis discharging gap AG and auxiliary gap FG, and establishes fan on auxiliary gap FG side, and the fan purge be specifically configured, keeps its stable breakdown voltage.
In circuit as shown in Figure 2, effluve electric capacity C5, current-limiting resistance R15 because of volume larger, be not suitable for installing on circuit boards, other elements are arranged in same circuit board, this circuit board is positioned at and the space analyzing discharging gap AG, the effective electromagnetic isolation of auxiliary gap FG, and simple metallic shield is exactly effective.Analytical gap is also sample device simultaneously, is usually arranged in special sample chamber.
According to the requirement of application to spark repetition frequency, select suitable DZ1, R7, C2, Q2 and DZ2, R8, C3, Q3 component parameters.Usual DZ1, DZ2, Q2, Q3 component parameters is relatively fixing, mainly selects the parameter of four elements such as R7, C2, R8, C3.
According to the requirement of concrete analysis application to spark energy, select the capacity of electrochemical capacitor C1 in the capacity of electric capacity C1 in Fig. 1 and Fig. 2, then, in order to maintain selected discharge frequency requirement, select the 13 resistance R13, the 14 R14 resistance in resistance R1 and Fig. 2 in Fig. 1.
The maximum output voltage that high-tension transformer T2 produces is 14KV.Other component parameters are then selected with the requirement of general electronic circuit.
Above-listed detailed description is illustrating for possible embodiments of the present invention, and this embodiment is also not used to limit the scope of the claims of the present invention, and the equivalence that all the present invention of disengaging do is implemented or changed, and all should be contained in the scope of the claims of this case.
Claims (4)
1. the two-way high repetition frequency spark light source excited, comprise the two-way spark initiation circuit (1) of high repetition frequency, it is characterized in that: the two-way spark initiation circuit (1) of described high repetition frequency comprises the fiber optic signals input interface circuit (2) be connected with main control circuit, double pulse train produces circuit (3) and the two-way high tension spark shot-firing circuit (4) excited, described fiber optic signals input interface circuit (2) one end is electrically connected with ac power input end (J1), the other end and double pulse train produce circuit (3) and are electrically connected, fiber optic signals input interface circuit (2) controls for accepting peripheral control unit and drives double pulse train to produce circuit (3), double pulse train produces the SCR trigger pulse that circuit (3) is fixed for generation of repetition frequency, double pulse train produces circuit (3) other end and is electrically connected with the described two-way high tension spark shot-firing circuit (4) excited, described two-way high tension spark shot-firing circuit (4) output terminal excited is distinguished ground connection and is electrically connected with high-pressure side (HV),
Described fiber optic signals input interface circuit (2) comprises optical-fiber coupler (J2), first diode (D1), first resistance (R1), second resistance (R2), 3rd resistance (R3) and the 4th resistance (R4), electrochemical capacitor (C1), first triode (Q1), optical coupled SCR (OPT1) and transformer (T1), 3rd output terminal of described optical-fiber coupler (J2) is connected with the second output terminal of ac power input end (J1), 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 is connected with the negative pole of the first resistance (R1) with electrochemical capacitor (C1) by the second resistance (R2), one end of 3rd resistance (R3) is connected with the negative pole of electrochemical capacitor (C1), the other end is connected with the input positive pole of optical coupled SCR (OPT1), 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),
Described double pulse train produces circuit (3) and comprises laterally zygomorphic two parts circuit, and the trigger pulse being respectively the positive and negative half cycle output frequency of input AC electricity stable produces circuit;
The described two-way high tension spark shot-firing circuit (4) excited comprises the 13 resistance (R13), 14 resistance (R14), first controllable silicon (S1), second controllable silicon (S2), 4th diode (D4), 5th diode (D5), high-tension transformer (T2), 3rd electric capacity (C4), current-limiting resistance (R15), the anode of described first controllable silicon (S1) is connected rear the first output terminal being connect ac power input end (J1) by the 13 resistance (R13) with the negative pole of the 4th diode (D4), primary winding one end of high-tension transformer (T2) is connect after the negative electrode of the first controllable silicon (S1) is connected with the positive pole of the 4th diode (D4), the control pole of the first controllable silicon (S1) connects the upper part circuit that double pulse train produces circuit (3), described 14 resistance (R14), second controllable silicon (S2), be respectively and the 13 resistance (R13) with the 5th diode (D5), 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.
2. the two-way high repetition frequency spark light source excited as claimed in claim 1, it is characterized in that: described double pulse train produces circuit (3) and comprises the second diode (D2), 5th resistance (R5), 7th resistance (R7), 9th resistance (R9), first voltage stabilizing diode (DZ1), first electric capacity (C2), second triode (Q2), 11 resistance (R11), described second diode (D2) cathode connecting transformer (T1) first secondary coil one end, negative pole is by the 5th resistance (R5), 7th resistance (R7), first electric capacity (C2) connects transformer (T1) the first secondary coil other end, the negative pole of described 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 9th resistance (R9) one termination first voltage stabilizing diode (DZ1), first emitter of another termination second triode (Q2), the base stage of the second triode (Q2) connects between the 7th resistance (R7) and the first electric capacity (C2), second emitter of the second triode (Q2) connects one end of the 11 resistance (R11), another termination transformer (T1) first secondary coil other end of 11 resistance (R11).
3. the two-way high repetition frequency spark light source excited as claimed in claim 1, it is characterized in that: the described two-way high tension spark shot-firing circuit (4) excited also comprises effluve electric capacity (C5), one termination current-limiting resistance (R15), other end ground connection.
4. the two-way high repetition frequency spark light source excited as claimed in claim 1, it is characterized in that: the two-way spark initiation circuit (1) of high repetition frequency is positioned to be analyzed between discharging gap (AG) and auxiliary gap (FG), and establishes fan on auxiliary gap (FG) side.
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| 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 |
| 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 |
| JP2021131254A (en) * | 2020-02-18 | 2021-09-09 | アズビル株式会社 | Light detection system, discharge probability calculating method, and received light quantity measuring method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4427350A1 (en) * | 1993-08-06 | 1995-04-20 | Siemens Ag | Ignition device (starting device) for a high-pressure lamp |
| CN101799415A (en) * | 2010-03-04 | 2010-08-11 | 北京纳克分析仪器有限公司 | All-digital energy-adjustable spark light source |
| CN102222897A (en) * | 2011-06-15 | 2011-10-19 | 中国电力科学研究院 | High-reliability controllable multiple spark discharge gap |
| 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 |
-
2013
- 2013-01-30 CN CN201310037680.XA patent/CN103115678B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4427350A1 (en) * | 1993-08-06 | 1995-04-20 | Siemens Ag | Ignition device (starting device) for a high-pressure lamp |
| CN102713254A (en) * | 2009-08-18 | 2012-10-03 | 伍德沃德公司 | Multiplexing drive circuit for an AC ignition system |
| CN101799415A (en) * | 2010-03-04 | 2010-08-11 | 北京纳克分析仪器有限公司 | All-digital energy-adjustable spark light source |
| CN102222897A (en) * | 2011-06-15 | 2011-10-19 | 中国电力科学研究院 | High-reliability controllable multiple spark discharge gap |
| 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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