CN102879382A - Pulse controlled spark excitation light source and control method - Google Patents
Pulse controlled spark excitation light source and control method Download PDFInfo
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- CN102879382A CN102879382A CN2012103120434A CN201210312043A CN102879382A CN 102879382 A CN102879382 A CN 102879382A CN 2012103120434 A CN2012103120434 A CN 2012103120434A CN 201210312043 A CN201210312043 A CN 201210312043A CN 102879382 A CN102879382 A CN 102879382A
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Abstract
The invention discloses a pulse controlled spark excitation light source, which comprises a measurement and control box, a signal control panel, a power board, a high-voltage pulse control panel, a high-voltage pulse generating module, a high-voltage isolating module, an excitation platform, a relay module, a capacitance adjusting module, a resistance adjusting module and an inductance adjusting module, wherein the capacitance adjusting module, the resistance adjusting module and the inductance adjusting module are sequentially connected in series between the power board and the high-voltage isolating module; the signal control panel is connected with the relay module; and the relay module is connected with the capacitance adjusting module, the resistance adjusting module and the inductance adjusting module respectively. Through the adoption of the pulse controlled spark excitation light source and the control method, time is converted into original square waves, so as to ensure that the number of pulses generated by each excitation is the same, the consistency of an instrument from the source is improved, the excitation state of the light source is improved at the same time, and the pulse controlled spark excitation light source and the method are suitable for the analysis of various matrices and various elements.
Description
Technical field
The invention belongs to the spectrometer technical field, be specifically related to the pulse controlled spark excitation light source of a kind of employing and control method.
Background technology
Existing spark power supply, the firing time window is asynchronous with the pulse of spark power, causes partial pulse not finish the spark power supply and just excites and be cut off, and causes the difference that has the excitation pulse number when at every turn exciting, and affects the consistance of instrument data.Only to inductance and the Capacity control of power loop, light source can only produce the excited state of the Partial Elements analysis of two kinds of suitable minority matrix sample to existing light source simultaneously.
Summary of the invention
Goal of the invention: the object of the invention is to for the deficiencies in the prior art, the pulse controlled spark excitation light source of a kind of employing and control method are provided, to convert original square wave the time to, guarantee to excite the pulse number of generation identical at every turn, improve the consistance of instrument from the source; Increase simultaneously the excited state of light source, be suitable for the analysis of multiple matrix multiple element.
Technical scheme: the pulse controlled spark excitation light source of a kind of employing of the present invention comprises observing and controlling case, signal controlling plate, power amplifier board, high-voltage pulse control panel, high-voltage pulse generation module, high pressure isolation module and excitation bench; Described observing and controlling case is connected with the signal controlling plate, described signal controlling plate respectively with power amplifier board, the high-voltage pulse control panel connects, described high-voltage pulse control panel is connected with the high-voltage pulse generation module, described power amplifier board is connected with the high pressure isolation module respectively with the high-voltage pulse generation module, described high pressure isolation module is connected with excitation bench, also comprise relay module, the capacitance adjustment module, resistance adjustment module and adjustment of inductance module, described capacitance adjustment module, resistance adjustment module and adjustment of inductance module are connected between power amplifier board and the high pressure isolation module successively, described signal controlling plate is connected with relay module, described relay module respectively with the capacitance adjustment module, the resistance adjustment module is connected with the adjustment of inductance module.
Further improve technique scheme, be set with the reference voltage module that to set 450V, 400V, 350V and four kinds of voltages of 300V in the Capacity control module on the described signal controlling plate, be connected with feedback circuit between described capacitance adjustment module and the signal controlling plate.
The control method of above-mentioned spark excitation light source: described observing and controlling case produces original square wave and 7 control signals of 200HZ or 400HZ according to the host computer given information, control signal is by signal controlling plate pilot relay module, by relay module according to the different control of elements of different matrix to be analyzed and control capacittance adjustment module, resistance control module and inductance control module, the signal controlling buttress is according to original square wave power ratio control plate and high-voltage pulse control panel, the output pulses that power amplifier board produces is by the capacitance adjustment module, the adjusting of resistance control module and inductance control module, flow to excitation bench through the high pressure isolation module, simultaneously, the high-voltage pulse that high-voltage pulse control panel control high-voltage pulse generation module produces flows to excitation bench by the high pressure isolation module, the argon gas gap of excitation bench is breakdown, the energy of storing in the Capacity control module is discharged on the breakdown argon gas gap, produces required characteristic light.
The present invention compared with prior art, its beneficial effect is: the pulse controlled spark excitation light source of usefulness of the present invention and control method, to convert original square wave the time to, guarantee to excite the pulse number of generation identical at every turn, improve the consistance of instrument from the source; Increase simultaneously the excited state of light source, be suitable for the analysis of multiple matrix multiple element.
Description of drawings
Fig. 1 is circuit diagram of the present invention.
Embodiment
The below is elaborated to technical solution of the present invention, but protection scope of the present invention is not limited to described embodiment.
As shown in Figure 1, the pulse controlled spark excitation light source of a kind of employing comprises observing and controlling case, signal controlling plate, power amplifier board, high-voltage pulse control panel, high-voltage pulse generation module, high pressure isolation module and excitation bench; Described observing and controlling case is connected with the signal controlling plate, described signal controlling plate respectively with power amplifier board, the high-voltage pulse control panel connects, described high-voltage pulse control panel is connected with the high-voltage pulse generation module, described power amplifier board is connected with the high pressure isolation module respectively with the high-voltage pulse generation module, described high pressure isolation module is connected with excitation bench, also comprise relay module, the capacitance adjustment module, resistance adjustment module and adjustment of inductance module, described capacitance adjustment module, resistance adjustment module and adjustment of inductance module are connected between power amplifier board and the high pressure isolation module successively, described signal controlling plate is connected with relay module, described relay module respectively with the capacitance adjustment module, the resistance adjustment module is connected with the adjustment of inductance module.
Be set with the reference voltage module that to set 450V, 400V, 350V and four kinds of voltages of 300V in the Capacity control module on the described signal controlling plate, be connected with feedback circuit between described capacitance adjustment module and the signal controlling plate.
The control method of above-mentioned spark excitation light source is: described observing and controlling case produces original square wave and 7 control signals of 200HZ or 400HZ according to the host computer given information, control signal is by signal controlling plate pilot relay module, by relay module according to the different control of elements of different matrix to be analyzed and control capacittance adjustment module, resistance control module and inductance control module, the signal controlling buttress is according to original square wave power ratio control plate and high-voltage pulse control panel, the output pulses that power amplifier board produces is by the capacitance adjustment module, the adjusting of resistance control module and inductance control module, flow to excitation bench through the high pressure isolation module, the reference voltage that to the signal controlling plate voltage on the electric capacity is constantly set near reference voltage module the Voltage Feedback on the electric capacity by feedback circuit when wherein output pulses arrives the capacitance adjustment module, the power that the resistance control module consumes when accurately controlling the argon gas gap discharge, realize the fine adjustment of different sample energy, inductor module is peak point current and Current rise and the descending slope in the control circuit; Simultaneously, the high-voltage pulse that high-voltage pulse control panel control high-voltage pulse generation module produces flows to excitation bench by the high pressure isolation module, the argon gas gap of excitation bench is breakdown, and the energy of storing in the Capacity control module is discharged on the breakdown argon gas gap, produces required characteristic light.
As mentioned above, although represented and explained the present invention with reference to specific preferred embodiment, it shall not be construed as the restriction to the present invention self.Under the spirit and scope of the present invention prerequisite that does not break away from the claims definition, can make in the form and details various variations to it.
Claims (3)
1. one kind is adopted pulse controlled spark excitation light source, comprises observing and controlling case, signal controlling plate, power amplifier board, high-voltage pulse control panel, high-voltage pulse generation module, high pressure isolation module and excitation bench; Described observing and controlling case is connected with the signal controlling plate, described signal controlling plate respectively with power amplifier board, the high-voltage pulse control panel connects, described high-voltage pulse control panel is connected with the high-voltage pulse generation module, described power amplifier board is connected with the high pressure isolation module respectively with the high-voltage pulse generation module, described high pressure isolation module is connected with excitation bench, it is characterized in that, also comprise relay module, the capacitance adjustment module, resistance adjustment module and adjustment of inductance module, described capacitance adjustment module, resistance adjustment module and adjustment of inductance module are connected between power amplifier board and the high pressure isolation module successively, described signal controlling plate is connected with relay module, described relay module respectively with the capacitance adjustment module, the resistance adjustment module is connected with the adjustment of inductance module.
2. the pulse controlled spark excitation light source of employing according to claim 1, it is characterized in that, be set with the reference voltage module that to set 450V, 400V, 350V and four kinds of voltages of 300V in the Capacity control module on the described signal controlling plate, be connected with feedback circuit between described capacitance adjustment module and the signal controlling plate.
3. the control method of the pulse controlled spark excitation light source of employing claimed in claim 1, it is characterized in that, described observing and controlling case produces original square wave and 7 control signals of 200HZ or 400HZ according to the host computer given information, control signal is by signal controlling plate pilot relay module, by relay module according to the different control of elements of different matrix to be analyzed and control capacittance adjustment module, resistance control module and inductance control module, then the signal controlling buttress is according to original square wave power ratio control plate and high-voltage pulse control panel, the output pulses that power amplifier board produces is by the capacitance adjustment module, the adjusting of resistance control module and inductance control module, flow to excitation bench through the high pressure isolation module, simultaneously, the high-voltage pulse that high-voltage pulse control panel control high-voltage pulse generation module produces flows to excitation bench by the high pressure isolation module, the argon gas gap of excitation bench is breakdown, the energy of storing in the Capacity control module is discharged on the breakdown argon gas gap, produces required characteristic light.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012103120434A CN102879382A (en) | 2012-08-29 | 2012-08-29 | Pulse controlled spark excitation light source and control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012103120434A CN102879382A (en) | 2012-08-29 | 2012-08-29 | Pulse controlled spark excitation light source and control method |
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| CN102879382A true CN102879382A (en) | 2013-01-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104280380A (en) * | 2014-10-24 | 2015-01-14 | 合肥卓越分析仪器有限责任公司 | Spark excitation light source of photoelectric direct-reading spectrograph |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4393327A (en) * | 1981-07-29 | 1983-07-12 | Wisconsin Alumni Research Foundation | Electric spark type light source for producing light for spectroscopic analysis |
| US5285251A (en) * | 1989-04-29 | 1994-02-08 | Fisons Plc | Apparatus and methods for optical emission spectroscopy |
| CN201477035U (en) * | 2009-09-09 | 2010-05-19 | 南京麒麟分析仪器有限公司 | Novel spark photoelectric direct-reading spectrograph |
| CN202748315U (en) * | 2012-08-29 | 2013-02-20 | 昆山书豪仪器科技有限公司 | Pulse-controlled spark excitation light source |
-
2012
- 2012-08-29 CN CN2012103120434A patent/CN102879382A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4393327A (en) * | 1981-07-29 | 1983-07-12 | Wisconsin Alumni Research Foundation | Electric spark type light source for producing light for spectroscopic analysis |
| US5285251A (en) * | 1989-04-29 | 1994-02-08 | Fisons Plc | Apparatus and methods for optical emission spectroscopy |
| CN201477035U (en) * | 2009-09-09 | 2010-05-19 | 南京麒麟分析仪器有限公司 | Novel spark photoelectric direct-reading spectrograph |
| CN202748315U (en) * | 2012-08-29 | 2013-02-20 | 昆山书豪仪器科技有限公司 | Pulse-controlled spark excitation light source |
Non-Patent Citations (1)
| Title |
|---|
| 张和根 等: "《光电直读光谱仪技术》", 31 May 2011, 冶金工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104280380A (en) * | 2014-10-24 | 2015-01-14 | 合肥卓越分析仪器有限责任公司 | Spark excitation light source of photoelectric direct-reading spectrograph |
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Application publication date: 20130116 |