CN207801778U - Pulse-modulator high-voltage-stable device - Google Patents
Pulse-modulator high-voltage-stable device Download PDFInfo
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- CN207801778U CN207801778U CN201721770736.2U CN201721770736U CN207801778U CN 207801778 U CN207801778 U CN 207801778U CN 201721770736 U CN201721770736 U CN 201721770736U CN 207801778 U CN207801778 U CN 207801778U
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Abstract
The utility model discloses a kind of pulse-modulator high-voltage-stable devices, when high voltage charging power supply works, slightly improve the charging voltage of high voltage charging power supply, the voltage of probe acquisition PFN is divided using high pressure, and processing monitoring is carried out to voltage signal, compare PFN power supplys in real time and sets the numerical value of voltage.Increase a thyratron among high voltage charging power supply and pulse-modulator, when PFN voltages reach setting value, ends thyratron, stop charging, to ensure PFN voltage stabilities.
Description
Technical field
The utility model is related to a kind of pulse-modulator voltage stability stabilising arrangements, more particularly to apply micro- in accelerator
Wave power source front pulse modulator field.
Background technology
The klystron of Dalian coherent source uses two kinds of models of E3730A and E3712 of Toshiba's production, pulse tune
Device processed is designed as the plug-in of high-voltage constant-current power supply electric current, capacitive energy storage, hydrogen thyratron switch discharge, PFN pulse shapings, arteries and veins
The technical solution for rushing transformer boosting output, can make klystron microwave pulse range stability reach 0.06%rms.
High voltage charging power supply to pulse-modulator during charging, and since there is no feedback device, generally uses height
The feedback point for pressing the numerical value of the high pressure in charge power supply exit to be completed as high voltage charging power supply work.When pulse-modulator exists
When this higher repetition rates of 50Hz work, the output characteristics of high voltage charging power supply starts to become unstable, high-voltage charging electricity
The high pressure in source exit cannot generally reflect the high-voltage value of PFN in pulse-modulator, therefore it is unstable to bring High voltage output
Counter productive.This small voltage fluctuation can not put up with for free-electron laser device, therefore just need
A kind of high voltage pulse stabilising arrangement of utility model repeats frequency for improving high voltage charging power supply and pulse-modulator system in 50Hz
The stability of high pressure is exported under rate.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, and pulse-modulator voltage can be improved by providing one kind
The pulse-modulator high-voltage-stable of stability meets the needs of free-electron laser device is to microwave power source stability.
The technical solution of the utility model is：When high voltage charging power supply works, filling for high voltage charging power supply is slightly improved
Piezoelectric voltage, the voltage of probe acquisition PFN (pulse forming network) is divided using high pressure, and carries out processing monitoring to voltage signal,
Compare PFN power supplys in real time and sets the numerical value of voltage.Increase a thyratron among high voltage charging power supply and pulse-modulator,
When PFN voltages reach setting value, end thyratron, stops charging, to ensure PFN voltage stabilities.
Pulse-modulator high-voltage-stable device, including：Voltage collecting device, voltage comparator device and charge cutoff device；
The voltage collecting device includes high pressure partial pressure probe 6 and signal picker 7；6 input of high pressure partial pressure probe
End is connected on PFN5, and for acquiring the voltage signal on PFN5, high pressure partial pressure 6 output ends of probe are connected by data line
Into signal picker 7；
7 input terminal of the signal picker is used for acquiring the voltage signal of 6 output of high pressure partial pressure probe, signal picker 7
Output end is connected with voltage comparator device, and the signal picker 7 converts 6 collected analog signal of high pressure partial pressure probe
At digital signal；
The voltage comparator device includes demodulator of PM signal PM 8 and high-voltage-stable device 9；8 input terminal of the demodulator of PM signal PM
It is connected with the output end of signal picker 7, the output end of demodulator of PM signal PM 8 is connected with high-voltage-stable device 9, the signal
The digital demodulation signal that signal picker 7 is converted by demodulator 8 becomes the binary number that high-voltage-stable device 9 can compare
Value；
The high-voltage-stable device 9 include 15 two input ports in control source port 13 and setting value read port and
Thyratron control port 14 and setting value change the output port of port 16 two；
The output end of 13 connection signal demodulator 8 of the control source port, the setting value read port 15 is by filling
Electric power-supply controller of electric 10 reads the voltage setting value of high voltage charging power supply 3, and the thyratron control port 14 is controlled with thyratron
Device 17 is connected, and for sending out order to thyratron control 17, controls 4 on or off of thyratron；The setting value changes end
Mouth 16 is connect with charge power supply controller 10, for changing 3 voltage setting value of high voltage charging power supply；
The charge cutoff device includes thyratron control 17, thyratron 4 and high voltage cable 12；The thyratron control
17 input terminal of device is connect with the thyratron control port 14 of high-voltage-stable device 9,17 output end of thyratron control, thyratron 4
Connection, whether the signal deciding that the thyratron control 17 is provided according to the thyratron control port 14 of high-voltage-stable device 9
Operating voltage is provided for thyratron 4；
The thyratron 4 is controlled by thyratron control 17, when thyratron control 17 is that thyratron 4 provides operating voltage
When, thyratron 4 is in the conduction state, is otherwise in cut-off state；
The high voltage cable 12 connects high voltage charging power supply 3, thyratron 4 and pulse-modulator 2, is used for being impulse modulation
The high-tension current of 2 transferring high voltage charge power supply 3 of device.
Preferably：The signal picker 7 is ADC capture cards.
The utility model has following beneficial effect：
The utility model utilizes the high pressure to PFN in high voltage pulse modulator into monitoring, when discovery PFN high pressures reach setting
When value, the charging using external thyratron cutoff high charge power supply to pulse-modulator, for improving repetition rate in 50Hz
Pulse-modulator output stability, have significant effect.The utility model have it is simple in structure, clear principle is not necessarily to
The advantages of can working the power acquisition of high voltage charging power supply bottom control.
Description of the drawings
Fig. 1 is the principles of the present invention block diagram；
Fig. 2 is the structural schematic diagram of the utility model；
In figure：1, klystron；2, pulse-modulator；3, high voltage charging power supply；4, thyratron；5、PFN；6, high pressure divides
Probe；7, signal picker；8, demodulator of PM signal PM；9, high-voltage-stable device；10, charge power supply controller；11, charging voltage mould
Block；12, high voltage cable；13, control source port；14, thyratron control port；15, setting value read port；16, setting value
Change port；17, thyratron control.
Specific implementation mode
The utility model is described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, 2, pulse-modulator high-voltage-stable device, including：It voltage collecting device, voltage comparator device and fills
Electric stopper；
Voltage collecting device includes high pressure partial pressure probe 6 and signal picker 7；High pressure partial pressure 6 input terminals of probe are connected to
On PFN5, for acquiring the voltage signal on PFN5, high pressure partial pressure 6 output ends of probe are connected to signal by data line and adopt
In storage 7；
7 input terminal of signal picker is used for acquiring the voltage signal of 6 output of high pressure partial pressure probe, and signal picker 7 exports
End is connected with voltage comparator device, and high pressure is divided 6 collected analog signals of probe and is converted into digital letter by signal picker 7
Number；
Voltage comparator device includes demodulator of PM signal PM 8 and high-voltage-stable device 9, both function can be in the same FPGA
Middle realization；8 input terminal of demodulator of PM signal PM is connected with the output end of signal picker 7, the output end and high pressure of demodulator of PM signal PM 8
Stabilising arrangement 9 is connected, and the digital demodulation signal that signal picker 7 is converted by demodulator of PM signal PM 8 becomes high-voltage-stable device
9 binary numerals that can compare；
High-voltage-stable device 9 includes 15 two input ports in control source port 13 and setting value read port and lock stream
Pipe control port 14 and setting value change the output port of port 16 two；
The output end of 13 connection signal demodulator 8 of control source port, setting value read port 15 pass through charge power supply control
Device 10 processed reads the voltage setting value of high voltage charging power supply 3, and thyratron control port 14 is connected with thyratron control 17, is used for
Order is sent out to thyratron control 17, controls 4 on or off of thyratron；Setting value changes port 16 and is controlled with charge power supply
Device 10 connects, for changing 3 voltage setting value of high voltage charging power supply；
Charge cutoff device includes thyratron control 17, thyratron 4 and high voltage cable 12；Thyratron control 17 is defeated
Enter end to connect with the thyratron control port 14 of high-voltage-stable device 9,17 output end of thyratron control, thyratron 4 connect, lock
Whether the signal deciding that flow tube controller 17 is provided according to the thyratron control port 14 of high-voltage-stable device 9 is that thyratron 4 carries
For operating voltage；
Thyratron 4 is controlled by thyratron control 17, when thyratron control 17 is that thyratron 4 provides operating voltage,
Thyratron 4 is in the conduction state, is otherwise in cut-off state；
High voltage cable 12 connects high voltage charging power supply 3, thyratron 4 and pulse-modulator 2, is used for being pulse-modulator 2
The high-tension current of transferring high voltage charge power supply 3.
Wherein：Signal picker 7 is ADC capture cards.
A kind of pulse-modulator high-voltage stabilizing method, method include the following steps：
The first step：When pulse-modulator 2 starts to charge up, high-voltage-stable device receives trigger signal, starts to work；
Second step：High-voltage-stable device reads the voltage setting value of high voltage charging power supply 3 from charge power supply controller 10, and
Voltage setting value is stored in register, while the setting value of high voltage charging power supply 3 slightly being improved, generally rises to former setting
The 101% of value；
Third walks：Using the high-voltage signal of 6 acquisition PNF5 of high pressure partial pressure probe, and high pressure partial pressure probe 6 is collected
PNF5 high-voltage signals are transferred in signal picker 7, and the high voltage analog signal of PNF5 is converted into number by signal picker 7
Signal；
4th step：By demodulator of PM signal PM 8, PNF5 high-voltage digital signals are demodulated, required voltage amplitude is obtained
Signal, and be transferred in high-voltage-stable device 9；
5th step：High-voltage-stable device 9 sets the PNF5 voltages of reading and the former high voltage charging power supply 3 in register
Value is compared, and is modified to result；When the voltage in PNF5 is equal to setting value, high-voltage-stable device 9 is to thyratron
Controller 17 sends out a signal, and thyratron control 17, which cuts off 4 operating voltage of thyratron, makes thyratron 4 be in cut-off state.
Thyratron 4 is sent control signals in view of high-voltage-stable device 9 to be stopped, the delay for having 100ns or so misses
Difference.Therefore in the size of voltage and setting value during high-voltage-stable device 9 compares PNF5, need to this delay time error into
Row is corrected.Modified method is to determine charge power supply under different high pressures according to experiment, and thyratron control delay generates
The sizes values of PFN voltage errors, and write the values into the comparison program of high-voltage-stable device 9.
Above-described embodiment is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement according to this, the scope of protection of the utility model can not be limited with this.
It is all according to equivalent change or modification made by the spirit of the present invention essence, should all cover the scope of protection of the utility model it
It is interior.
Claims (2)
1. pulse-modulator high-voltage-stable device, it is characterised in that：Including：Voltage collecting device, voltage comparator device and charging
Stopper；
The voltage collecting device includes high pressure partial pressure probe (6) and signal picker (7)；The high pressure partial pressure probe (6) is defeated
Enter end to be connected on PFN (5), for acquiring the voltage signal on PFN (5), high pressure partial pressure probe (6) output end is passed by data
Defeated line is connected in signal picker (7)；
Signal picker (7) input terminal is used for acquiring the voltage signal of high pressure partial pressure probe (6) output, signal picker
(7) output end is connected with voltage comparator device, and high pressure is divided probe (6) collected simulation by the signal picker (7)
Signal is converted into digital signal；
The voltage comparator device includes demodulator of PM signal PM (8) and high-voltage-stable device (9)；Demodulator of PM signal PM (8) input
End is connected with the output end of signal picker (7), and the output end of demodulator of PM signal PM (8) is connected with high-voltage-stable device (9),
The digital demodulation signal that signal picker (7) is converted by the demodulator of PM signal PM (8), becoming high-voltage-stable device (9) can be with
The binary numeral compared；
The high-voltage-stable device (9) include (15) two input ports in control source port (13) and setting value read port with
And thyratron control port (14) and setting value change the output port of port (16) two；
The output end of control source port (13) the connection signal demodulator (8), the setting value read port (15) pass through
Charge power supply controller (10) reads the voltage setting value of high voltage charging power supply (3), the thyratron control port (14) and lock
Flow tube controller (17) is connected, and is used for sending out order to thyratron control (17), controls thyratron (4) on or off；Institute
It states setting value change port (16) to connect with charge power supply controller (10), for changing the setting of high voltage charging power supply (3) voltage
Value；
The charge cutoff device includes thyratron control (17), thyratron (4) and high voltage cable (12)；The thyratron control
Device (17) input terminal processed is connect with the thyratron control port (14) of high-voltage-stable device (9), thyratron control (17) output
End, thyratron (4) connection, the thyratron control (17) is according to the thyratron control port (14) of high-voltage-stable device (9)
Whether the signal deciding of offer is that thyratron (4) provides operating voltage；
The thyratron (4) is controlled by thyratron control (17), when thyratron control (17) is that thyratron (4) provides work
When voltage, thyratron (4) is in the conduction state, is otherwise in cut-off state；
High voltage cable (12) the connection high voltage charging power supply (3), thyratron (4) and pulse-modulator (2) are used for being pulse
The high-tension current of modulator (2) transferring high voltage charge power supply (3).
2. pulse-modulator high-voltage-stable device according to claim 1, it is characterised in that：The signal picker (7)
For ADC capture cards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721770736.2U CN207801778U (en) | 2017-12-18 | 2017-12-18 | Pulse-modulator high-voltage-stable device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721770736.2U CN207801778U (en) | 2017-12-18 | 2017-12-18 | Pulse-modulator high-voltage-stable device |
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| Publication Number | Publication Date |
|---|---|
| CN207801778U true CN207801778U (en) | 2018-08-31 |
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ID=63284553
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721770736.2U Expired - Fee Related CN207801778U (en) | 2017-12-18 | 2017-12-18 | Pulse-modulator high-voltage-stable device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109936348A (en) * | 2017-12-18 | 2019-06-25 | 中国科学院大连化学物理研究所 | Pulse-modulator high-voltage-stable device and method |
| CN109936300A (en) * | 2017-12-18 | 2019-06-25 | 中国科学院大连化学物理研究所 | Pulse-modulator high-voltage-stable device |
-
2017
- 2017-12-18 CN CN201721770736.2U patent/CN207801778U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109936348A (en) * | 2017-12-18 | 2019-06-25 | 中国科学院大连化学物理研究所 | Pulse-modulator high-voltage-stable device and method |
| CN109936300A (en) * | 2017-12-18 | 2019-06-25 | 中国科学院大连化学物理研究所 | Pulse-modulator high-voltage-stable device |
| CN109936348B (en) * | 2017-12-18 | 2020-11-10 | 中国科学院大连化学物理研究所 | High-voltage stabilizing device and method for pulse modulator |
| CN109936300B (en) * | 2017-12-18 | 2024-05-14 | 中国科学院大连化学物理研究所 | High-voltage stabilizing device of pulse modulator |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 Termination date: 20211218 |