CN103956932A - High-voltage pulse power supply for time-of-flight mass spectrometer - Google Patents
High-voltage pulse power supply for time-of-flight mass spectrometer Download PDFInfo
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Abstract
The invention discloses a high-voltage pulse power supply for a time-of-flight mass spectrometer. The high-voltage pulse power supply comprises a pulse signal generation unit, a pulse amplification isolation unit, a switch drive unit, a load impedance matching unit and a direct-current high-voltage generation control unit. The pulse signal generation unit is connected with the switch drive unit through the pulse amplification isolation unit; the direct-current high-voltage generation control unit comprises a microcontroller, an A/D sampling circuit, a D/A control circuit and a high-voltage generation circuit; the microcontroller is connected with the pulse signal generation unit, the microcontroller is connected with the high-voltage generation circuit through the D/A control circuit, the high-voltage generation circuit is connected with the microcontroller through the A/D sampling circuit, the high-voltage generation circuit is connected with the switch drive unit, and the output end of the switch drive unit is connected with a load through the load impedance matching unit. According to the high-voltage pulse power supply, rising edge time of output high-voltage pulse signals is short, accuracy is high, and the high-voltage pulse power supply can be widely applied to the drive field of the time-of-flight mass spectrometer.
Description
Technical field
The present invention relates to a kind of high-voltage pulse power source, particularly a kind of high-voltage pulse power source for time-of-flight mass spectrometer.
Background technology
At present, time-of-flight mass spectrometer (TOFMS) generally adopts vertical introduction-type structure that ion is introduced to TOF analyzer, does like this and need to apply at the repeller plate of ion motion vertical direction high pressure repulsion pulse.In order to guarantee the high-resolution of time-of-flight mass spectrometer, mainly as follows to the requirement of its high-voltage pulse power source: output level is steady, rising edge of a pulse is the smaller the better, is preferably lower than 100ns, pulse frequency conventionally at 1KHZ between 20KHZ.But because high-voltage pulse power source is a kind of technology of AC-DC coupling, the waveform that traditional high-voltage pulse power source produces is wayward, pulse amplitude, frequency, duty ratio etc. are difficult to regulate, and the rising edge of a pulse time is long, cannot meet the harsh requirement of time-of-flight mass spectrometer.
Summary of the invention
In order to solve above-mentioned technical problem, the object of this invention is to provide a kind of high-voltage pulse power source for time-of-flight mass spectrometer.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of high-voltage pulse power source for time-of-flight mass spectrometer, comprise that pulse signal genration unit, pulse Amplification and insulation unit, switch drive unit, load impedance matching unit and high direct voltage produce control unit, the output of described pulse signal genration unit is connected with the first input end of switch drive unit by pulse Amplification and insulation unit;
Described high direct voltage produces control unit and comprises microcontroller, A/D sample circuit, D/A control circuit and circuit for producing high voltage, described microcontroller is connected with pulse signal genration unit, the output of described microcontroller is connected with the input of circuit for producing high voltage by D/A control circuit, the first output of described circuit for producing high voltage is connected with the input of microcontroller by A/D sample circuit, the second output of described circuit for producing high voltage is connected with the second input of switch drive unit, the output of described switch drive unit is connected with load by load impedance match circuit.
Further, described Amplification and insulation circuit comprises amplifying circuit and buffer circuit, described amplifying circuit comprises Schmidt trigger and mosfet driver, and the output of described pulse signal genration unit is connected with the first input end of switch drive unit by Schmidt trigger, mosfet driver and buffer circuit successively.
Further, described buffer circuit comprises isolation capacitance and pulse transformer, and described pulse transformer comprises primary coil, the first secondary coil and second subprime coil, and described the first secondary coil is identical with the number of turn of second subprime coil;
The pulse signal that pulse signal genration unit produces, successively by after Schmidt trigger and mosfet driver, accesses the primary coil of pulse transformer by isolation capacitance, described the first secondary coil is connected with switch drive unit respectively with second subprime coil.
Further, described switch drive unit comprises a MOSFET pipe, the 2nd MOSFET pipe, the 3rd MOSFET pipe, the 4th MOSFET pipe, the first Zener diode, the second Zener diode, the first resistance, the second resistance and the 3rd resistance;
The Same Name of Ends of described the first secondary coil is connected with the drain electrode of a MOSFET pipe, the different name end of described the first secondary coil is connected with the drain electrode of the 2nd MOSFET pipe with grid, the anodal of the first Zener diode of a MOSFET pipe respectively, and the source electrode of a described MOSFET pipe is connected with the negative pole of the first Zener diode with the grid of the 2nd MOSFET pipe respectively by the first resistance;
The different name end of described second subprime coil is connected with the drain electrode of the 3rd MOSFET pipe, the Same Name of Ends of described second subprime coil is connected with the positive pole of the second Zener diode with the grid of the 3rd MOSFET pipe respectively, the Same Name of Ends ground connection of described second subprime coil, the source electrode of described the 3rd MOSFET pipe is connected with the negative pole of the second Zener diode with the grid of the 4th MOSFET pipe respectively by the second resistance;
The source electrode of described the 2nd MOSFET pipe is connected with circuit for producing high voltage, the drain electrode of described the 2nd MOSFET pipe is connected with the source electrode of the 4th MOSFET pipe by the 3rd resistance, the grounded drain of described the 4th MOSFET pipe, the drain electrode of described the 2nd MOSFET pipe is connected with one end of load by load impedance matching unit, the other end ground connection of described load.
Further, described load impedance matching unit comprises adjustable potentiometer and variable inductor, and the drain electrode of described the 2nd MOSFET pipe is connected with one end of load by adjustable potentiometer and variable inductor successively.
Further, described microcontroller adopts FPGA, single-chip microcomputer or arm processor.
Further, described pulse signal genration unit is also connected with the communication interface for carrying out communication with host computer.
Further, described pulse signal genration unit adopts FPGA.
The invention has the beneficial effects as follows: a kind of high-voltage pulse power source for time-of-flight mass spectrometer of the present invention, comprise that pulse signal genration unit, pulse Amplification and insulation unit, switch drive unit, load impedance matching unit and high direct voltage produce control unit, the output of pulse signal genration unit is connected with the first input end of switch drive unit by pulse Amplification and insulation unit, high direct voltage produces control unit and comprises microcontroller, A/D sample circuit, D/A control circuit and circuit for producing high voltage, microcontroller is connected with pulse signal genration unit, the output of microcontroller is connected with the input of circuit for producing high voltage by D/A control circuit, the first output of circuit for producing high voltage is connected with the input of microcontroller by A/D sample circuit, the second output of circuit for producing high voltage is connected with the second input of switch drive unit, the output of switch drive unit is connected with load by load impedance match circuit, the present invention can pass through the frequency of pulse signal genration unit regulation output high-voltage pulse signal, by the amplitude of microcontroller regulation output high-voltage pulse signal, and by switch drive unit and load impedance match circuit, make the rising time of high-voltage pulse signal short, precision is higher, can meet the driving requirement of time-of-flight mass spectrometer.
In addition, in pulse Amplification and insulation unit, adopt pulse transformer high direct voltage signal and pulse signal can be separated, reduced the electromagnetic interference of system, stability and the reliability of system have been improved, and adopt MOSFET pipe to drive, can realize fast open and the pass of high direct voltage, make the rising time of high-voltage pulse signal be less than 100ns.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is the structured flowchart of a kind of high-voltage pulse power source for time-of-flight mass spectrometer of the present invention;
Fig. 2 is the detailed circuit diagram of the partial circuit in Fig. 1;
Fig. 3 is the rising edge of a pulse oscillogram of the voltage of circuit for producing high voltage output high-voltage pulse signal while being 100V;
Fig. 4 is the rising edge of a pulse oscillogram of the voltage of circuit for producing high voltage output high-voltage pulse signal while being 500V;
Fig. 5 is the rising edge of a pulse oscillogram of the voltage of circuit for producing high voltage output high-voltage pulse signal while being 1000V;
Fig. 6 is the oscillogram of the pulsewidth of high-voltage pulse signal while being 1 μ s;
Fig. 7 is the oscillogram of the pulsewidth of high-voltage pulse signal while being 5 μ s;
Fig. 8 is the oscillogram of the pulsewidth of high-voltage pulse signal while being 10 μ s.
Embodiment
With reference to Fig. 1, the invention provides a kind of high-voltage pulse power source for time-of-flight mass spectrometer, comprise that pulse signal genration unit, pulse Amplification and insulation unit, switch drive unit, load impedance matching unit and high direct voltage produce control unit, the output of described pulse signal genration unit is connected with the first input end of switch drive unit by pulse Amplification and insulation unit;
Described high direct voltage produces control unit and comprises microcontroller, A/D sample circuit, D/A control circuit and circuit for producing high voltage, described microcontroller is connected with pulse signal genration unit, the output of described microcontroller is connected with the input of circuit for producing high voltage by D/A control circuit, the first output of described circuit for producing high voltage is connected with the input of microcontroller by A/D sample circuit, the second output of described circuit for producing high voltage is connected with the second input of switch drive unit, the output of described switch drive unit is connected with load by load impedance match circuit.
Be further used as preferred embodiment, described Amplification and insulation circuit comprises amplifying circuit and buffer circuit, described amplifying circuit comprises Schmidt trigger and mosfet driver, and the output of described pulse signal genration unit is connected with the first input end of switch drive unit by Schmidt trigger, mosfet driver and buffer circuit successively.
Be further used as preferred embodiment, described buffer circuit comprises isolation capacitance C1 and pulse transformer T, described pulse transformer T comprises primary coil, the first secondary coil and second subprime coil, and described the first secondary coil is identical with the number of turn of second subprime coil; Described the first secondary coil and primary coil are coupled in the same way, output unbalanced pulse, described second subprime coil and primary coil reverse coupled, output disabling pulse;
The pulse signal that pulse signal genration unit produces is successively by after Schmidt trigger and mosfet driver, by the primary coil of isolation capacitance C1 access pulse transformer T, described the first secondary coil is connected with switch drive unit respectively with second subprime coil.
Be further used as preferred embodiment, described switch drive unit comprises a MOSFET pipe Q1, the 2nd MOSFET pipe Q2, the 3rd MOSFET pipe Q3, the 4th MOSFET pipe Q4, the first Zener diode D1, the second Zener diode D2, the first resistance R 1, the second resistance R 2 and the 3rd resistance R 3;
The Same Name of Ends of described the first secondary coil is connected with the drain electrode of a MOSFET pipe Q1, the different name end of described the first secondary coil is connected with the grid of a MOSFET pipe Q1, the anodal and drain electrode of the 2nd MOSFET pipe Q2 of the first Zener diode D1 respectively, and the source electrode of a described MOSFET pipe Q1 is connected with the negative pole of the first Zener diode D1 with the grid of the 2nd MOSFET pipe Q2 respectively by the first resistance R 1;
The different name end of described second subprime coil is connected with the drain electrode of the 3rd MOSFET pipe Q3, the Same Name of Ends of described second subprime coil is connected with the positive pole of the second Zener diode D2 with the grid of the 3rd MOSFET pipe Q3 respectively, the Same Name of Ends ground connection of described second subprime coil, the source electrode of described the 3rd MOSFET pipe Q3 is connected with the negative pole of the second Zener diode D2 with the grid of the 4th MOSFET pipe Q4 respectively by the second resistance R 2;
The source electrode of described the 2nd MOSFET pipe Q2 is connected with circuit for producing high voltage, the drain electrode of described the 2nd MOSFET pipe Q2 is connected with the source electrode of the 4th MOSFET pipe Q4 by the 3rd resistance R 3, the grounded drain of described the 4th MOSFET pipe Q4, the drain electrode of described the 2nd MOSFET pipe Q2 is connected with one end of load by load impedance matching unit, the other end ground connection of described load.
Be further used as preferred embodiment, described load impedance matching unit comprises adjustable potentiometer R4 and variable inductor L1, and the drain electrode of described the 2nd MOSFET pipe Q2 is connected with one end of load by adjustable potentiometer R4 and variable inductor L1 successively.
Be further used as preferred embodiment, described microcontroller adopts FPGA, single-chip microcomputer or arm processor.
Be further used as preferred embodiment, described pulse signal genration unit is also connected with the communication interface for carrying out communication with host computer.
Be further used as preferred embodiment, described pulse signal genration unit adopts FPGA.
Below in conjunction with embodiment, the present invention will be further described.
With reference to Fig. 1, the invention provides a kind of high-voltage pulse power source for time-of-flight mass spectrometer, comprise that pulse signal genration unit, pulse Amplification and insulation unit, switch drive unit, load impedance matching unit and high direct voltage produce control unit, the output of pulse signal genration unit is connected with the first input end of switch drive unit by pulse Amplification and insulation unit;
High direct voltage produces control unit and comprises microcontroller, A/D sample circuit, D/A control circuit and circuit for producing high voltage, microcontroller is connected with pulse signal genration unit, the output of microcontroller is connected with the input of circuit for producing high voltage by D/A control circuit, the first output of circuit for producing high voltage is connected with the input of microcontroller by A/D sample circuit, the second output of circuit for producing high voltage is connected with the second input of switch drive unit, and the output of switch drive unit is connected with load by load impedance match circuit.
Pulse signal genration unit is for generation of periodic square-wave pulse signal, high direct voltage produces control unit and is used for generating high-voltage signal, circuit for producing high voltage can adopt high-pressure modular to generate high pressure, the magnitude of voltage that generates high pressure is controlled by microcontroller, here, microcontroller is for setting the magnitude of voltage of the high-voltage signal that will produce, microcontroller sends to circuit for producing high voltage after the magnitude of voltage of setting is converted to analog signal values by D/A control circuit, circuit for producing high voltage produces corresponding high-voltage signal according to the analog signal values of input, simultaneously, the magnitude of voltage that high pressure generation module produces feeds back to microcontroller place after the collection of A/D sample circuit.
A/D sample circuit and D/A control circuit can be selected figure place by voltage accuracy according to the actual requirements, comprise 8,10,12 or seniority top digit more.
Amplification and insulation circuit comprises amplifying circuit and buffer circuit, amplifying circuit comprises Schmidt trigger and mosfet driver, Schmidt trigger, mosfet driver and buffer circuit are connected successively, and the output of pulse signal genration unit is connected with the first input end of switch drive unit by Schmidt trigger, mosfet driver and buffer circuit successively.
Detailed, with reference to Fig. 2, Fig. 2 is the detailed circuit diagram of buffer circuit, switch drive unit and load impedance matching unit, buffer circuit comprises isolation capacitance C1 and pulse transformer T, pulse transformer T comprises primary coil, the first secondary coil and second subprime coil, and the first secondary coil is identical with the number of turn of second subprime coil;
The pulse signal that pulse signal genration unit produces is successively by after Schmidt trigger and mosfet driver, and by the primary coil of isolation capacitance C1 access pulse transformer T, the first secondary coil is connected with switch drive unit respectively with second subprime coil; The voltage magnitude of the pulse signal that pulse signal genration unit produces is generally 3.3V, and Schmidt trigger is to send to mosfet driver after 5V voltage magnitude is adjusted to 12V by the range-adjusting of pulse signal.Isolation capacitance C1 is capacitance, the effect of restarting voltage that provides is provided, when pulse signal is after isolation capacitance C1, square-wave pulse signal becomes the spike AC signal with positive-negative polarity, simultaneously, pulse transformer T can separate high direct voltage signal and pulse signal, has reduced the electromagnetic interference of system, has improved stability and the reliability of system.
With reference to Fig. 2, switch drive unit comprises a MOSFET pipe Q1, the 2nd MOSFET pipe Q2, the 3rd MOSFET pipe Q3, the 4th MOSFET pipe Q4, the first Zener diode D1, the second Zener diode D2, the first resistance R 1, the second resistance R 2 and the 3rd resistance R 3;
The Same Name of Ends of the first secondary coil is connected with the drain electrode of a MOSFET pipe Q1, the different name end of the first secondary coil is connected with the grid of a MOSFET pipe Q1, the anodal and drain electrode of the 2nd MOSFET pipe Q2 of the first Zener diode D1 respectively, and the source electrode of a MOSFET pipe Q1 is connected with the negative pole of the first Zener diode D1 with the grid of the 2nd MOSFET pipe Q2 respectively by the first resistance R 1;
The different name end of second subprime coil is connected with the drain electrode of the 3rd MOSFET pipe Q3, the Same Name of Ends of second subprime coil is connected with the positive pole of the second Zener diode D2 with the grid of the 3rd MOSFET pipe Q3 respectively, the Same Name of Ends ground connection of second subprime coil, the source electrode of the 3rd MOSFET pipe Q3 is connected with the negative pole of the second Zener diode D2 with the grid of the 4th MOSFET pipe Q4 respectively by the second resistance R 2;
The source electrode of the 2nd MOSFET pipe Q2 is connected with circuit for producing high voltage, the drain electrode of the 2nd MOSFET pipe Q2 is connected with the source electrode of the 4th MOSFET pipe Q4 by the 3rd resistance R 3, the grounded drain of the 4th MOSFET pipe Q4, the drain electrode of the 2nd MOSFET pipe Q2 is connected with one end of load by load impedance matching unit, the other end ground connection of load;
Load impedance matching unit comprises adjustable potentiometer R4 and variable inductor L1, and the drain electrode of the 2nd MOSFET pipe Q2 is connected with one end of load by adjustable potentiometer R4 and variable inductor L1 successively.Because load is the repulsion panel of time-of-flight mass spectrometer, belong to capacitive load, and when capacitive load is applied to high-voltage pulse signal, can destroy the integrality of pulse signal, cause the shake of high-voltage pulse rising edge, and the rising edge of a pulse time is elongated, therefore, here adjustable potentiometer R4 and variable inductor L1 have been adopted, thereby obtain suitable resistance value and inductance value by manual adjustments adjustable potentiometer R4 and variable inductor L1, can make load impedance reach an effective matching degree, with this, eliminate the harmful effect that capacitive load is brought.
The present invention adopts MOSFET pipe to drive, and can realize the high-speed switch of high direct voltage, and rising time can be adjusted to and be less than 100 ns, and regulating load impedance matching circuit can be so that the waveform of output high-voltage pulse signal be more level and smooth.Fig. 3, Fig. 4, Fig. 5 are respectively that the voltage of circuit for producing high voltage output is while being 100V, 500V and 1000V, the rising edge of a pulse oscillogram of the high-voltage pulse signal of this high-voltage pulse power source output, in figure, can clearly find out, the rising time of these high-voltage pulse signals is all less than 100ns, and rising edge waveform is steady, non-jitter, can repeat to meet the requirement of time-of-flight mass spectrometer.In addition, produce circuit regulate and can regulate the pulsewidth of the high-voltage pulse signal of this power supply output by pulse signals, Fig. 6, Fig. 7, Fig. 8 are respectively that pulsewidth is the oscillogram of 1 μ s, 5 μ s and 10 μ s.
Preferably, the pulse signal genration unit of the present embodiment is also connected with the communication interface for carrying out communication with host computer, thereby pulse signal genration unit can receive the control command of host computer, and the pulse signal producing is regulated.Simultaneously pulse signal genration unit sends to microcontroller after can also receiving the pulse voltage value of host computer input, and microcontroller is set the magnitude of voltage of the high-voltage signal that will produce according to the pulse voltage value receiving.
In the present embodiment, microcontroller can adopt FPGA, single-chip microcomputer or arm processor etc., and pulse signal genration unit can adopt FPGA to realize.
In addition, it should be noted that, first input end, the second input, the first output and the second outputs etc. that adopt when the structured flowchart of Fig. 1 is described in the present invention just difference in functionality module of integrated structure block diagram are distinguished different inputs and output, are not the restriction for concrete port number.For example the first input end of switch drive unit, specific to corresponding to 4 input ports in Fig. 2, is respectively Same Name of Ends, the different name end of the first secondary coil, and the Same Name of Ends of second subprime coil and different name end.
More than that better enforcement of the present invention is illustrated, but the invention is not limited to embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and the modification that these are equal to or replacement are all included in the application's claim limited range.
Claims (8)
1. the high-voltage pulse power source for time-of-flight mass spectrometer, it is characterized in that, comprise that pulse signal genration unit, pulse Amplification and insulation unit, switch drive unit, load impedance matching unit and high direct voltage produce control unit, the output of described pulse signal genration unit is connected with the first input end of switch drive unit by pulse Amplification and insulation unit;
Described high direct voltage produces control unit and comprises microcontroller, A/D sample circuit, D/A control circuit and circuit for producing high voltage, described microcontroller is connected with pulse signal genration unit, the output of described microcontroller is connected with the input of circuit for producing high voltage by D/A control circuit, the first output of described circuit for producing high voltage is connected with the input of microcontroller by A/D sample circuit, the second output of described circuit for producing high voltage is connected with the second input of switch drive unit, the output of described switch drive unit is connected with load by load impedance match circuit.
2. a kind of high-voltage pulse power source for time-of-flight mass spectrometer according to claim 1, it is characterized in that, described Amplification and insulation circuit comprises amplifying circuit and buffer circuit, described amplifying circuit comprises Schmidt trigger and mosfet driver, and the output of described pulse signal genration unit is connected with the first input end of switch drive unit by Schmidt trigger, mosfet driver and buffer circuit successively.
3. a kind of high-voltage pulse power source for time-of-flight mass spectrometer according to claim 2, it is characterized in that, described buffer circuit comprises isolation capacitance (C1) and pulse transformer (T), described pulse transformer (T) comprises primary coil, the first secondary coil and second subprime coil, and described the first secondary coil is identical with the number of turn of second subprime coil;
The pulse signal that pulse signal genration unit produces is successively by after Schmidt trigger and mosfet driver, by the primary coil of isolation capacitance (C1) access pulse transformer (T), described the first secondary coil is connected with switch drive unit respectively with second subprime coil.
4. a kind of high-voltage pulse power source for time-of-flight mass spectrometer according to claim 3, it is characterized in that, described switch drive unit comprises a MOSFET pipe (Q1), the 2nd MOSFET pipe (Q2), the 3rd MOSFET pipe (Q3), the 4th MOSFET pipe (Q4), the first Zener diode (D1), the second Zener diode (D2), the first resistance (R1), the second resistance (R2) and the 3rd resistance (R3);
The Same Name of Ends of described the first secondary coil is connected with the drain electrode that a MOSFET manages (Q1), the different name end of described the first secondary coil is connected with the drain electrode that the 2nd MOSFET manages (Q2) with a MOSFET pipe grid of (Q1), the positive pole of the first Zener diode (D1) respectively, and the source electrode of a described MOSFET pipe (Q1) is connected with the negative pole of the first Zener diode (D1) with the grid of the 2nd MOSFET pipe (Q2) respectively by the first resistance (R1);
The different name end of described second subprime coil is connected with the drain electrode that the 3rd MOSFET manages (Q3), the Same Name of Ends of described second subprime coil is connected with the positive pole of the second Zener diode (D2) with the grid of the 3rd MOSFET pipe (Q3) respectively, the Same Name of Ends ground connection of described second subprime coil, the source electrode of described the 3rd MOSFET pipe (Q3) is connected with the negative pole of the second Zener diode (D2) with the grid of the 4th MOSFET pipe (Q4) respectively by the second resistance (R2);
The source electrode of described the 2nd MOSFET pipe (Q2) is connected with circuit for producing high voltage, the drain electrode of described the 2nd MOSFET pipe (Q2) is connected with the source electrode that the 4th MOSFET manages (Q4) by the 3rd resistance (R3), the grounded drain of described the 4th MOSFET pipe (Q4), the drain electrode of described the 2nd MOSFET pipe (Q2) is connected with one end of load by load impedance matching unit, the other end ground connection of described load.
5. a kind of high-voltage pulse power source for time-of-flight mass spectrometer according to claim 4, it is characterized in that, described load impedance matching unit comprises adjustable potentiometer (R4) and variable inductor (L1), and the drain electrode of described the 2nd MOSFET pipe (Q2) is connected with one end of load by adjustable potentiometer (R4) and variable inductor (L1) successively.
6. a kind of high-voltage pulse power source for time-of-flight mass spectrometer according to claim 1, is characterized in that, described microcontroller adopts FPGA, single-chip microcomputer or arm processor.
7. a kind of high-voltage pulse power source for time-of-flight mass spectrometer according to claim 1, is characterized in that, described pulse signal genration unit is also connected with the communication interface for carrying out communication with host computer.
8. a kind of high-voltage pulse power source for time-of-flight mass spectrometer according to claim 1, is characterized in that, described pulse signal genration unit adopts FPGA.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104570862A (en) * | 2014-12-20 | 2015-04-29 | 中国科学院西安光学精密机械研究所 | High-precision pulsed power supply adjusting device and method based on frequency domain |
| CN104967311A (en) * | 2015-06-09 | 2015-10-07 | 广州禾信分析仪器有限公司 | Direct-current high-voltage power supply used for mass spectrometer |
| CN105097417A (en) * | 2015-08-24 | 2015-11-25 | 钢研纳克检测技术有限公司 | Control and data acquisition system for quadrupole mass spectrometers |
| CN105958976A (en) * | 2016-06-08 | 2016-09-21 | 中国科学院合肥物质科学研究院 | Adjustable high-voltage pulse generator applied to mass spectrometer |
| CN106919101A (en) * | 2015-12-25 | 2017-07-04 | 中国科学院高能物理研究所 | Drive the tunable pulse signal generator of LED |
| CN109088554A (en) * | 2018-09-17 | 2018-12-25 | 深圳市德名利电子有限公司 | A kind of power supply unit and system for touch screen test |
| CN110429926A (en) * | 2019-07-30 | 2019-11-08 | 陕西科技大学 | A kind of SCM Based modular pulse high voltage power supply |
| WO2021134294A1 (en) * | 2019-12-30 | 2021-07-08 | 昆山禾信质谱技术有限公司 | Voltage suspension control apparatus, control method and time-of-flight mass spectrometer |
| CN114244176A (en) * | 2021-11-18 | 2022-03-25 | 成都艾立本科技有限公司 | Time sequence adjustable pulse power supply pack |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202621299U (en) * | 2012-05-18 | 2012-12-26 | 杭州尊邦科技有限公司 | Synergistic combination intelligent pulse control power supply device |
-
2014
- 2014-04-02 CN CN201410134478.3A patent/CN103956932A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202621299U (en) * | 2012-05-18 | 2012-12-26 | 杭州尊邦科技有限公司 | Synergistic combination intelligent pulse control power supply device |
Non-Patent Citations (1)
| Title |
|---|
| 赖俊成: "可控高速高压脉冲电源研究", 《中国优秀硕士学位论文全文数据库》, 15 June 2011 (2011-06-15) * |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104570862A (en) * | 2014-12-20 | 2015-04-29 | 中国科学院西安光学精密机械研究所 | High-precision pulsed power supply adjusting device and method based on frequency domain |
| CN104967311A (en) * | 2015-06-09 | 2015-10-07 | 广州禾信分析仪器有限公司 | Direct-current high-voltage power supply used for mass spectrometer |
| CN105097417A (en) * | 2015-08-24 | 2015-11-25 | 钢研纳克检测技术有限公司 | Control and data acquisition system for quadrupole mass spectrometers |
| CN106919101A (en) * | 2015-12-25 | 2017-07-04 | 中国科学院高能物理研究所 | Drive the tunable pulse signal generator of LED |
| CN106919101B (en) * | 2015-12-25 | 2020-06-12 | 中国科学院高能物理研究所 | Tunable pulse signal generator for driving LED |
| CN105958976A (en) * | 2016-06-08 | 2016-09-21 | 中国科学院合肥物质科学研究院 | Adjustable high-voltage pulse generator applied to mass spectrometer |
| CN109088554A (en) * | 2018-09-17 | 2018-12-25 | 深圳市德名利电子有限公司 | A kind of power supply unit and system for touch screen test |
| CN109088554B (en) * | 2018-09-17 | 2024-01-02 | 深圳市德明利技术股份有限公司 | Power supply device and system for touch screen test |
| CN110429926A (en) * | 2019-07-30 | 2019-11-08 | 陕西科技大学 | A kind of SCM Based modular pulse high voltage power supply |
| CN110429926B (en) * | 2019-07-30 | 2023-01-31 | 陕西科技大学 | Modularized pulse high-voltage power supply based on single chip microcomputer |
| WO2021134294A1 (en) * | 2019-12-30 | 2021-07-08 | 昆山禾信质谱技术有限公司 | Voltage suspension control apparatus, control method and time-of-flight mass spectrometer |
| CN114244176A (en) * | 2021-11-18 | 2022-03-25 | 成都艾立本科技有限公司 | Time sequence adjustable pulse power supply pack |
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