CN207743948U - Pulse-modulator high-pressure compensating device - Google Patents
Pulse-modulator high-pressure compensating device Download PDFInfo
- Publication number
- CN207743948U CN207743948U CN201721770208.7U CN201721770208U CN207743948U CN 207743948 U CN207743948 U CN 207743948U CN 201721770208 U CN201721770208 U CN 201721770208U CN 207743948 U CN207743948 U CN 207743948U
- Authority
- CN
- China
- Prior art keywords
- signal
- voltage
- power supply
- comparator
- port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of pulse-modulator high-pressure compensating devices, and the voltage of probe acquisition PFN pulse forming networks is divided using high pressure, and carry out processing monitoring to the voltage signal.After charge power supply charges, compare the value of PFN voltages and actual set voltage.If PFN voltages are less than actual set voltage, charge power supply voltage is improved, guarantee compensates PFN voltages, realizes PFN voltage stabilities.
Description
Technical field
The utility model is related to a kind of devices of pulse-modulator voltage stability compensation, more particularly to apply in accelerator
Microwave power source front pulse modulator field.
Background technology
Combine technical advance, reliability, the requirement of appropriation budget and time schedule, the speed of Dalian coherent source
Pipe pipe is adjusted to use two kinds of models of E3730A and E3712 of Toshiba's production.Pulse-modulator is designed as high-voltage constant-current power supply
Electric current plugs in, capacitive energy storage, hydrogen thyratron switch discharge, PFN pulse shapings, the technical side of pulse transformer boosting output
Case can make klystron microwave pulse range stability reach 0.06%rms.The charge power supply of PEN is using highest work electricity
Pressure is the capacitance galvanostatic charge power supply of 50kV.In order to ensure that microwave power range stability is better than 0.06%, it is desirable that charge power supply
Output stability be better than 0.03%, and the design objective of Dalian coherent source is to be operated in 50Hz.In the working frequency of 50Hz
Under, it is desirable that the output stability of charge power supply is better than 0.03%, and charging current is adjustable, power parameter 50kV, 1500mA, mesh
Almost without reaching the product of this index on former world.Since the repetition rate of pulse-modulator and charge power supply is in 50Hz,
In 20ms, charge power supply is difficult that the charge of PFN in pulse-modulator is charged to the numerical value of needs, to influence klystron microwave
Power output stability.Therefore, it is necessary to provide a kind of high voltage pulse compensation stabilising arrangement, with improving come high voltage charging power supply and
Pulse-modulator system exports the stability of high pressure under 50Hz repetition rates.
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 compensation device of stability meets the needs of free-electron laser device is to microwave power source stability.
The technical solution of the utility model is：The voltage of probe acquisition PFN pulse forming networks is divided using high pressure, and right
The voltage signal carries out processing monitoring.After charge power supply charges, compare the value of PFN voltages and actual set voltage.Such as
Fruit PFN voltages are less than actual set voltage, then improve charge power supply voltage, and guarantee compensates PFN voltages, realize PFN electricity
Press stability.
Pulse-modulator high-pressure compensating device, including：Voltage collecting device, voltage comparator device and voltage compensating device；
The voltage collecting device includes high pressure partial pressure probe 5 and signal picker 6；5 input of high pressure partial pressure probe
End is connected on PFN4, and for acquiring the voltage signal of PFN4, high pressure partial pressure 5 output ends of probe are connected to by data line
In signal picker 6；
6 input terminal of the signal picker is used for acquiring the voltage signal of 5 output of high pressure partial pressure probe, signal picker 6
Output end is connected with voltage comparator device, and the signal picker 6 converts 5 collected analog signal of high pressure partial pressure probe
At digital signal；
The voltage comparator device includes demodulator of PM signal PM 7 and signal comparator 8；7 input terminal of the demodulator of PM signal PM with
The output end of signal picker 6 is connected, and 7 output end of demodulator of PM signal PM is connected with signal comparator 8, the demodulator of PM signal PM
7 digital demodulation signals for being converted into signal picker 6 become the binary numeral that signal comparator 8 can compare；
The signal comparator 8 is equipped with readback voltage port 14, setting value acquisition port 15, compares startup port 16 3
Input port, a charge inside time port 17 and an error output mouth 18；
Height is read in the output end of 14 connection signal demodulator 7 of the readback voltage port, setting value acquisition port 15
3 setting value of charge power supply, the port 16 that relatively starts is pressed to be used for receiving the charging completion signal that high voltage charging power supply 3 provides,
The error output mouth 18 is used for exporting an error signal to voltage compensating device；
The voltage compensating device includes voltage compensation device 9 and charge power supply controller bottom circuit communication interface
19；9 input terminal of voltage compensation device is used for receiving the error letter that error output mouth 18 exports in signal comparator 8
Number, 9 output end of voltage compensation device connects charge power supply controller bottom circuit communication interface 19, for controlling high-voltage charging
The output voltage of power supply 3.
Preferably：The signal picker 6 is ADC capture cards.
The utility model has following beneficial effect：
The utility model is utilized and is monitored to the high pressure of PFN in high voltage pulse modulator, and compares PFN mesohighs and height
Difference between pressure charge power supply setting value is fed back, to play the role of stable pulse modulator high pressure.For improving weight
Complex frequency has significant effect in the output stability of the pulse-modulator of 50Hz.The utility model has simple in structure, original
Clear clear, the advantages such as cost of implementation is low.
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、PFN；5, high pressure partial pressure probe；6, signal
Collector；7, demodulator of PM signal PM；8, signal comparator；9, voltage compensation device；10, charge power supply controller；11, charging electricity
Source controller bottom circuit；12, high voltage cable；13, charging power modules；14, readback voltage port；15, setting value collection terminal
Mouthful；16, compare and start port；17, charge inside time port；18, error output mouth；19, charge power supply controller bottom
Circuit communication interface.
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-pressure compensating device, including：Voltage collecting device, voltage comparator device and electricity
Press compensation device；
Voltage collecting device includes high pressure partial pressure probe 5 and signal picker 6；High pressure partial pressure 5 input terminals of probe are connected to
On PFN4, for acquiring the voltage signal of PFN4, high pressure partial pressure 5 output ends of probe are connected to signal acquisition by data line
In device 6；
6 input terminal of signal picker is used for acquiring the voltage signal of 5 output of high pressure partial pressure probe, and signal picker 6 exports
End is connected with voltage comparator device, and high pressure is divided 5 collected analog signals of probe and is converted into digital letter by signal picker 6
Number；
Voltage comparator device includes demodulator of PM signal PM 7 and signal comparator 8, both function can be in the same FPGA
It realizes；7 input terminal of demodulator of PM signal PM is connected with the output end of signal picker 6, and 7 output end of demodulator of PM signal PM is compared with signal
Device 8 is connected, the digital demodulation signal that signal picker 6 is converted by demodulator of PM signal PM 7, and becoming signal comparator 8 can compare
Compared with binary numeral；
Signal comparator 8 is equipped with readback voltage port 14, setting value acquisition port 15, compares the input of startup port 16 3
Port, a charge inside time port 17 and an error output mouth 18；
The output end of 14 connection signal demodulator 7 of readback voltage port, setting value acquire port 15 and read high-voltage charging electricity
3 setting value of source compares and starts the charging completion signal that port 16 is used for receiving the offer of high voltage charging power supply 3, error output mouth
18 are used for exporting an error signal to voltage compensating device；
Setting value acquisition port 15 can select two kinds of connection types：Mode one is connected to the charging of high voltage charging power supply 3
In power-supply controller of electric 10, voltage setting value is read from charge power supply controller 10；Mode two is connected to charge power supply controller bottom
In layer circuit 11, voltage setting value is read from charge power supply bottom circuit 11；Whether completely the two depends on high voltage charging power supply 3
Open bottom circuit interface, if open, occupation mode two, effect is more preferable；
Compare and start port 16, it should the charging completion signal interface being connected in charge power supply controller bottom circuit 11
On or the charging completion signal interface that provides of charge power supply controller 10, but do not opened in view of partial high pressure charge power supply 3
11 relevant interface of bottom circuit, or do not have charging completion signal, it is therefore desirable to will compare and start port 16 and be connected to inside and fill
Electric time port 17, makes the utility model work normally；
Charge inside time port 17 when not open 11 relevant interface of bottom circuit of high voltage charging power supply 3, or does not fill
When electricity completes signal, starts port 16 for connecting to compare, realize the effect instead of charging completion signal；
Voltage compensating device includes voltage compensation device 9 and charge power supply controller bottom circuit communication interface 19；Electricity
Pressure 9 input terminal of compensating controller is used for receiving the error signal that error output mouth 18 exports in signal comparator 8, voltage compensation
9 output end of controller connects charge power supply controller bottom circuit communication interface 19, for controlling the output of high voltage charging power supply 3
Voltage.
Wherein：Signal picker 6 is ADC capture cards.
It is a kind of according to pulse-modulator high-voltage compensation method, include the following steps：
The first step：When pulse-modulator 2 starts to charge up, compensation device receives trigger signal, starts to work；
Second step：Using high pressure partial pressure probe 5, the high-voltage signal of PNF4 is acquired；
Third walks：High pressure is divided 5 collected PNF4 high-voltage signals of probe to be transferred in signal picker 6, passes through letter
PNF4 high voltage analog signals are converted into digital signal by number collector 6；
4th step：PNF4 high-voltage digital signals are demodulated by demodulator of PM signal PM 7, obtain required voltage amplitude letter
Number；
5th step：After trigger signal is arrived, signal comparator 8 reads 3 setting value of high voltage charging power supply and is stored in register
In, the numerical value is no longer read before next trigger pulse；
There are three ways to reading setting value：
(1) if high voltage charging power supply open controller bottom circuit interface, can directly be read out from bottom；
(2) it if without open interface, is read from charge power supply controller；
(3) it can also simultaneously be read using AND gate circuit；
Method 3 is better than method 1 and 2, but can method 1 and 3 execute, and whether control is provided depending on high voltage charging power supply
Device bottom circuit interface.
6th step：After charging complete of the high voltage charging power supply 3 to the PNF4 in pulse-modulator 2, high voltage charging power supply 3
A charging completion signal can be produced；
This signal can be obtained with three kinds of methods：
(1) directly by being read to charge power supply controller bottom circuit；
(2) it is given by charge power supply top level control device；
(3) for signal comparator 8 after being connected to trigger signal, inside generates the time delayed signal of a 18ms, works as time delayed signal
Terminate, can externally export a charge inside and complete signal；
In these three methods, wherein method 1 is optimal, and method 3 is most bad, these three methods realize difficulty：Method 3 is most held
Easily, can method 1 be most difficult to, realize depending on whether high voltage charging power supply provides corresponding signal or interface.
7th step：Signal comparator 8 starts to start after receiving charging completion signal, and register mesohigh is charged
3 setting value of power supply is compared with the PNF4 high pressure range signals that demodulation obtains, and obtains the difference of the two, and this difference is made
Voltage compensation device 9 is sent to for error signal；
8th step：Voltage compensation is carried out to pulse-modulator 2 by voltage compensation device 9, in voltage compensation device 9
After obtaining the error signal of signal comparator 8, then transmits and order to charge power supply controller bottom circuit communication interface 19, improve
The setting voltage of high voltage charging power supply, the setting voltage value after raising are equal to current setting voltage and add error amount；
9th step：Additional charge can be filled with to PFN4 by improving the high voltage charging power supply 3 of charging high pressure numerical value, next
Before a trigger signal reaches, step 7, step 8 are constantly repeated to being fed back when 2 high-pressure solid of pulse-modulator, finally makes error
Signal is 0, and pulse-modulator 2 discharges, and High voltage output is a stationary value, goes successively to next work period.
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-pressure compensating device, it is characterised in that：Including：Voltage collecting device, voltage comparator device and voltage
Compensation device；
The voltage collecting device includes high pressure partial pressure probe (5) and signal picker (6)；The high pressure partial pressure probe (5) is defeated
Enter end to be connected on PFN (4), for acquiring the voltage signal of (4) PFN, high pressure partial pressure probe (5) output end passes through data transmission
Line is connected in signal picker (6)；
Signal picker (6) input terminal is used for acquiring the voltage signal of high pressure partial pressure probe (5) output, signal picker
(6) output end is connected with voltage comparator device, and high pressure is divided probe (5) collected simulation by the signal picker (6)
Signal is converted into digital signal；
The voltage comparator device includes demodulator of PM signal PM (7) and signal comparator (8)；Demodulator of PM signal PM (7) input terminal
It is connected with the output end of signal picker (6), demodulator of PM signal PM (7) output end is connected with signal comparator (8), the letter
The digital demodulation signal that signal picker (6) is converted by number demodulator (7), becomes signal comparator (8) can compare two
Binary value；
The signal comparator (8) is equipped with readback voltage port (14), setting value acquisition port (15), compares startup port (16)
Three input ports, a charge inside time port (17) and an error output mouth (18)；
The output end of readback voltage port (14) the connection signal demodulator (7), setting value acquisition port (15) are read
High voltage charging power supply (3) setting value, the charging that relatively startup port (16) is used for receiving high voltage charging power supply (3) offer are complete
At signal, the error output mouth (18) is used for exporting an error signal to voltage compensating device；
The voltage compensating device includes voltage compensation device (9) and charge power supply controller bottom circuit communication interface
(19)；Voltage compensation device (9) input terminal is used for receiving what error output mouth (18) in signal comparator (8) exported
Error signal, voltage compensation device (9) output end connects charge power supply controller bottom circuit communication interface (19), for controlling
The output voltage of high voltage charging power supply (3) processed.
2. pulse-modulator high-pressure compensating device according to claim 1, it is characterised in that：The signal picker (6)
For ADC capture cards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721770208.7U CN207743948U (en) | 2017-12-18 | 2017-12-18 | Pulse-modulator high-pressure compensating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721770208.7U CN207743948U (en) | 2017-12-18 | 2017-12-18 | Pulse-modulator high-pressure compensating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207743948U true CN207743948U (en) | 2018-08-17 |
Family
ID=63118421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721770208.7U Expired - Fee Related CN207743948U (en) | 2017-12-18 | 2017-12-18 | Pulse-modulator high-pressure compensating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207743948U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109936347A (en) * | 2017-12-18 | 2019-06-25 | 中国科学院大连化学物理研究所 | Pulse-modulator high-pressure compensating device |
| CN109936345A (en) * | 2017-12-18 | 2019-06-25 | 中国科学院大连化学物理研究所 | Pulse-modulator high-pressure compensating device and method |
-
2017
- 2017-12-18 CN CN201721770208.7U patent/CN207743948U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109936347A (en) * | 2017-12-18 | 2019-06-25 | 中国科学院大连化学物理研究所 | Pulse-modulator high-pressure compensating device |
| CN109936345A (en) * | 2017-12-18 | 2019-06-25 | 中国科学院大连化学物理研究所 | Pulse-modulator high-pressure compensating device and method |
| CN109936347B (en) * | 2017-12-18 | 2024-03-08 | 中国科学院大连化学物理研究所 | High-voltage compensation device of pulse modulator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102207535B (en) | Circuit structure and method for automatically testing analog baseband chip comprising analog-digital converter (ADC) and digital-analog converter (DAC) | |
| CN104777383B (en) | A kind of non-intrusion type electrical load monitoring and load decomposition device | |
| CN207743948U (en) | Pulse-modulator high-pressure compensating device | |
| CN204835631U (en) | Digifax hybrid control storage battery charging circuit | |
| CN104753093B (en) | Charger and charging control method | |
| CN206573635U (en) | A kind of mobile terminal, power consumption test terminal and power consumption test system | |
| CN104101839A (en) | Electric quantity detection system and electric quantity detection method | |
| CN208027164U (en) | High-low side output can match circuit and the detection device including the circuit and system | |
| CN203422456U (en) | Electric quantity detection system | |
| CN109936347A (en) | Pulse-modulator high-pressure compensating device | |
| CN103746433B (en) | The device of multi-functional charge-discharge circuit and composition thereof | |
| CN109936345A (en) | Pulse-modulator high-pressure compensating device and method | |
| CN105162415A (en) | Current and voltage tester for photovoltaic array | |
| CN110266084A (en) | A kind of battery charging and discharging system based on ampere-hour control method | |
| CN106439716A (en) | Solar human body control inductor and control method | |
| CN205450154U (en) | A device for test of common mode conducted disturbance noise immunity | |
| CN201839027U (en) | Portable charging data communication device | |
| CN202197092U (en) | Boundary switch controller | |
| CN104158246B (en) | A kind of wind-powered electricity generation storage energy operation control method | |
| CN103346606B (en) | Self-adaptive variable voltage adjustment pattern | |
| CN206248719U (en) | A kind of high-pressure side DC voltage sampling module of electric power electric transformer | |
| CN108645507B (en) | High-adaptability GIL vibration online monitoring neural network device | |
| CN207096325U (en) | A kind of A/D convertor circuit of intelligent electric meter | |
| CN214728248U (en) | Three-in-one intelligent electric car charging pile for card swiping of WeChat payment bank | |
| CN205123317U (en) | Electric vehicle charging system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20180817 Termination date: 20211218 |