CN107070179A - A kind of top punching of pulse transformer eliminates circuit and its top rushes removing method - Google Patents
A kind of top punching of pulse transformer eliminates circuit and its top rushes removing method Download PDFInfo
- Publication number
- CN107070179A CN107070179A CN201710167566.7A CN201710167566A CN107070179A CN 107070179 A CN107070179 A CN 107070179A CN 201710167566 A CN201710167566 A CN 201710167566A CN 107070179 A CN107070179 A CN 107070179A
- Authority
- CN
- China
- Prior art keywords
- pulse transformer
- square wave
- discharge switch
- storage capacitor
- wave module
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/296—Time-programme switches providing a choice of time-intervals for executing more than one switching action and automatically terminating their operation after the programme is completed
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/53—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback
- H03K3/57—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback the switching device being a semiconductor device
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0038—Circuits or arrangements for suppressing, e.g. by masking incorrect turn-on or turn-off signals, e.g. due to current spikes in current mode control
Abstract
Circuit is eliminated the present invention relates to a kind of punching of the top of pulse transformer, including multiple square wave modules, controller, pulse transformer T1 and load RL, each square wave module is corresponded with a pulse transformer T1 armature winding to be connected, the number of square wave module is consistent with the number of pulse transformer T1 armature winding, the square wave module is made up of low-tension supply, storage capacitor, discharge switch and current-limiting resistance, the controller outputs control signals to discharge switch, and the secondary windings of the pulse transformer T1 connects load RL two ends.The top for eliminating circuit the invention also discloses a kind of top punching of pulse transformer rushes removing method.The present invention is particularly suitable for requiring high and the application of forward position difficulty of matching greatly to impulse waveform as magnetron due to using the unlatching time delay for adjusting each pulse unit circuit, realizing the top high flat degree of voltage pulse output waveform after pulse transformer.
Description
Technical field
The present invention relates to high voltage pulse transformer technical field, the top punching of especially a kind of pulse transformer eliminate circuit and
Its top rushes removing method.
Background technology
With the development of high-voltage pulse technology, towards pulse voltage more and more higher, adjustable pulse width, impulse waveform top flat
The superior direction of degree, it is proposed that higher requirement.
In existing technical scheme, typical circuit steel pipe as shown in Figure 1 pushes away pulse transformer technology, band storage capacitor C3
High voltage power supply by steel pipe solid-state switch S3 and current-limiting resistance R3 pulse transformers T3 primary discharge, pass through pulse transforming
After device T3 boosting, the high-voltage pulse output waveform b shown in Fig. 2 is reached on nominal load R4.Due to pulse transformer T3 leakages
The influence of sense, distribution capacity etc., by pulse transformer T3 input waveform a, high-voltage pulse output waveform b in Fig. 2, can see
The top that going out this scheme has an obvious shortcoming to be exactly voltage pulse output rushes larger, and typically greater than 3%, or it is solid by increasing
Current-limiting resistance R3 after state switch S3, increases the power consumption of power source internal, and to suppress the overshoot amplitude at top, but its effect is limited.
The content of the invention
The primary and foremost purpose of the present invention is that providing a kind of top that can be realized at suppressor pulse forward position rushes, and realizes pulse transforming
The top punching of the pulse transformer of the top high flat degree of voltage pulse output waveform eliminates circuit after device.
To achieve the above object, present invention employs following technical scheme：A kind of top punching of pulse transformer eliminates circuit,
Include one of multiple square wave modules, controller, pulse transformer T1 and load RL, each square wave module and pulse transformer T1
Armature winding, which is corresponded, to be connected, and the number of square wave module is consistent with the number of pulse transformer T1 armature winding, the side
Ripple module is made up of low-tension supply, storage capacitor, discharge switch and current-limiting resistance, and the controller outputs control signals to electric discharge
Switch, the secondary windings of the pulse transformer T1 connects load RL two ends.
The number of the square wave module is N number of, and the square wave module includes the first square wave module, the second square wave mould
Block ..., N square wave modules, the number of the armature winding of the pulse transformer T1 is N number of.
The first square wave module is made up of the first low-tension supply, storage capacitor C1, discharge switch S1 and current-limiting resistance R1,
The storage capacitor C1 is connected in parallel in the output end of the first low-tension supply, storage capacitor C1 one end and discharge switch S1 one end
It is connected, the discharge switch S1 other end is connected with current-limiting resistance R1 one end, current-limiting resistance the R1 other end and pulse transformer
One end of T1 first armature winding is connected, the other end and the storage capacitor C1 of pulse transformer T1 first armature winding
The other end be connected.
The second square wave module is made up of the second low-tension supply, storage capacitor C2, discharge switch S2 and current-limiting resistance R2,
The storage capacitor C2 is connected in parallel in the output end of the second low-tension supply, storage capacitor C2 one end and discharge switch S2 one end
It is connected, the discharge switch S2 other end is connected with current-limiting resistance R2 one end, current-limiting resistance the R2 other end and pulse transformer
One end of T1 second armature winding is connected, the other end and the storage capacitor C2 of pulse transformer T1 second armature winding
The other end be connected.
The N square waves module is by N low-tension supplies, storage capacitor Cn, discharge switch SnWith current-limiting resistance RnComposition, institute
State storage capacitor CnIn the output end for being connected in parallel on N low-tension supplies, storage capacitor CnOne end and discharge switch SnOne end phase
Even, discharge switch SnThe other end and current-limiting resistance RnOne end be connected, current-limiting resistance RnThe other end and pulse transformer T1
One end of n-th armature winding is connected, the other end and the storage capacitor C of pulse transformer T1 n-th armature windingnIt is another
End is connected.
The top that a kind of top punching another object of the present invention is to provide pulse transformer eliminates circuit rushes removing method, should
The step of method includes following order：
(1) first, controller controls the discharge switch in all square wave modules to be closed mode；
(2) then, controller control square wave module Zhong Ge roads low-tension supply, charges to the storage capacitor in this module；
(3) controller is exported as needed pulsewidth and forward position, when adjusting the conducting of discharge switch in each square wave module
Sequence, makes discharge switch S1 to discharge switch SnIn at least two discharge switches postpone successively open, make each square wave module
After magnetic core superposition of the output waveform through pulse transformer T1, the voltage waveform that ladder rises is formed；
(4) after electric discharge terminates, controller controls all discharge switches to be again at off state.
As shown from the above technical solution, beneficial effects of the present invention are：First, due to using each pulse unit circuit of regulation
Unlatching time delay, realize the top high flat degree of voltage pulse output waveform after pulse transformer；Second, due to pulse unit electricity
The discharge switch on road is firm tube device, and discharge pulse width and forward position are controllable, is particularly suitable for magnetron such to impulse wave
Shape requires the high and application of forward position difficulty of matching greatly；3rd, due to being uniformly controlled putting in square wave module using a controller
Electric switch works, and one is the correctness that ensure that each switching sequence, and two be to increase product function to realize that controller software is programmed
There is provided convenient.
Brief description of the drawings
Fig. 1 is that traditional steel pipe pushes away pulse transformer power principle figure；
Fig. 2 is the primary and secondary oscillogram of pulse transformer in Fig. 1；
Fig. 3 is circuit theory diagrams of the invention；
Fig. 4 is the working timing figure of the present invention.
Embodiment
As shown in figure 3, a kind of top punching of pulse transformer eliminates circuit, including multiple square wave modules, controller, pulse change
Depressor T1 and load RL, each square wave module is corresponded with a pulse transformer T1 armature winding to be connected, square wave module
Number it is consistent with the number of pulse transformer T1 armature winding, the square wave module is by low-tension supply, storage capacitor, electric discharge
Switch and current-limiting resistance composition, the controller output control signals to discharge switch, the pulse transformer T1 it is secondary around
Group connects load RL two ends.The number of the square wave module is N number of, and the square wave module includes the first square wave module, second party
Ripple module ..., N square wave modules, the number of the armature winding of the pulse transformer T1 is N number of.
As shown in figure 3, the first square wave module is by the first low-tension supply, storage capacitor C1, discharge switch S1 and current limliting
Resistance R1 is constituted, and the storage capacitor C1 is connected in parallel in the output end of the first low-tension supply, storage capacitor C1 one end and electric discharge
The one end for switching S1 is connected, and the discharge switch S1 other end is connected with current-limiting resistance R1 one end, the current-limiting resistance R1 other end
It is connected with one end of pulse transformer T1 first armature winding, the other end of pulse transformer T1 first armature winding
It is connected with the storage capacitor C1 other end.
As shown in figure 3, the second square wave module is by the second low-tension supply, storage capacitor C2, discharge switch S2 and current limliting
Resistance R2 is constituted, and the storage capacitor C2 is connected in parallel in the output end of the second low-tension supply, storage capacitor C2 one end and electric discharge
The one end for switching S2 is connected, and the discharge switch S2 other end is connected with current-limiting resistance R2 one end, the current-limiting resistance R2 other end
It is connected with one end of pulse transformer T1 second armature winding, the other end of pulse transformer T1 second armature winding
It is connected with the storage capacitor C2 other end.
As shown in figure 3, the N square waves module is by N low-tension supplies, storage capacitor Cn, discharge switch SnAnd current-limiting resistance
RnComposition, the storage capacitor CnIn the output end for being connected in parallel on N low-tension supplies, storage capacitor CnOne end and discharge switch Sn
One end be connected, discharge switch SnThe other end and current-limiting resistance RnOne end be connected, current-limiting resistance RnThe other end and pulse become
One end of depressor T1 n-th armature winding is connected, the other end and storage capacitor of pulse transformer T1 n-th armature winding
CnThe other end be connected.
The step of this method includes following order：
(1) first, controller controls the discharge switch in all square wave modules to be closed mode；
(2) then, controller control square wave module Zhong Ge roads low-tension supply, charges to the storage capacitor in this module；
(3) controller is exported as needed pulsewidth and forward position, when adjusting the conducting of discharge switch in each square wave module
Sequence, makes discharge switch S1 to discharge switch SnIn at least two discharge switches postpone successively open, make each square wave module
After magnetic core superposition of the output waveform through pulse transformer T1, the voltage waveform that ladder rises is formed；
(4) after electric discharge terminates, controller controls all discharge switches to be again at off state.
Controller is uniformly controlled discharge switch S1, S2 to S in N number of square wave modulen, the pulsewidth exported as needed is with before
Edge, adjusts the conducting sequential of discharge switch in each square wave module, makes discharge switch S1 to discharge switch SnIn at least two
Discharge switch postpones to open successively, after making magnetic core superposition of the output waveform of each square wave module through pulse transformer T1, is formed
The voltage waveform 1 that ladder rises.Again after pulse transformer T1 boosting, pulse voltage waveform 2 is formed on load RL.
As shown in Figure 4, it is assumed that 1 all opens successively to N square waves module, waveform c, d, e etc. are formed, is prolonged successively before and after pulse
Conducting late.The magnetic field shown in waveform f is then formed in pulse transformer T1 magnetic core, is boosted by pulse transformer T1 secondary
Afterwards, waveform g is eventually formed.From waveform g, the top flat of output waveform does not have the mistake in Fig. 2 shown in waveform b at forward position
Punching.
In summary, the present invention is due to using the unlatching time delay for adjusting each pulse unit circuit, realizing after pulse transformer
The top high flat degree of voltage pulse output；Because the discharge switch of pulse unit circuit is firm tube device, discharge pulse width
It is controllable with forward position, it is particularly suitable for magnetron such to impulse waveform requirement height and the application of forward position difficulty of matching greatly；Due to
The discharge switch work in square wave module is uniformly controlled using a controller, one is the correctness that ensure that each switching sequence,
Two be to provide convenient to realize that controller software programming increases product function.
Claims (6)
1. a kind of top punching of pulse transformer eliminates circuit, it is characterised in that：Become including multiple square wave modules, controller, pulse
Depressor T1 and load RL, each square wave module is corresponded with a pulse transformer T1 armature winding to be connected, square wave module
Number it is consistent with the number of pulse transformer T1 armature winding, the square wave module is by low-tension supply, storage capacitor, electric discharge
Switch and current-limiting resistance composition, the controller output control signals to discharge switch, the pulse transformer T1 it is secondary around
Group connects load RL two ends.
2. the top punching of pulse transformer according to claim 1 eliminates circuit, it is characterised in that：Of the square wave module
Number to be N number of, the square wave module include the first square wave module, the second square wave module ..., N square wave modules, the pulse becomes
The number of depressor T1 armature winding is N number of.
3. the top punching of pulse transformer according to claim 2 eliminates circuit, it is characterised in that：The first square wave module
It is made up of the first low-tension supply, storage capacitor C1, discharge switch S1 and current-limiting resistance R1, the storage capacitor C1 is connected in parallel on first
In the output end of low-tension supply, storage capacitor C1 one end is connected with discharge switch S1 one end, the discharge switch S1 other end
It is connected with current-limiting resistance R1 one end, one end of the current-limiting resistance R1 other end and pulse transformer T1 first armature winding
It is connected, the other end of pulse transformer T1 first armature winding is connected with the storage capacitor C1 other end.
4. the top punching of pulse transformer according to claim 2 eliminates circuit, it is characterised in that：The second square wave module
It is made up of the second low-tension supply, storage capacitor C2, discharge switch S2 and current-limiting resistance R2, the storage capacitor C2 is connected in parallel on second
In the output end of low-tension supply, storage capacitor C2 one end is connected with discharge switch S2 one end, the discharge switch S2 other end
It is connected with current-limiting resistance R2 one end, one end of the current-limiting resistance R2 other end and pulse transformer T1 second armature winding
It is connected, the other end of pulse transformer T1 second armature winding is connected with the storage capacitor C2 other end.
5. the top punching of pulse transformer according to claim 2 eliminates circuit, it is characterised in that：The N square wave modules
By N low-tension supplies, storage capacitor Cn, discharge switch SnWith current-limiting resistance RnComposition, the storage capacitor CnIt is connected in parallel on N low
In the output end of voltage source, storage capacitor CnOne end and discharge switch SnOne end be connected, discharge switch SnThe other end and limit
Leakage resistance RnOne end be connected, current-limiting resistance RnThe other end be connected with one end of pulse transformer T1 n-th armature winding,
The other end of pulse transformer T1 n-th armature winding and storage capacitor CnThe other end be connected.
6. the top that a kind of top punching of pulse transformer as claimed in claim 1 eliminates circuit rushes removing method, this method includes
The step of following order：
（1）First, controller controls the discharge switch in all square wave modules to be closed mode；
（2）Then, controller control square wave module Zhong Ge roads low-tension supply, charges to the storage capacitor in this module；
（3）Pulsewidth and forward position that controller is exported as needed, adjust the conducting sequential of discharge switch in each square wave module, make
Discharge switch S1 to discharge switch SnIn at least two discharge switches postpone successively open, make the output wave of each square wave module
After magnetic core superposition of the shape through pulse transformer T1, the voltage waveform that ladder rises is formed；
（4）After electric discharge terminates, controller controls all discharge switches to be again at off state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710167566.7A CN107070179A (en) | 2017-03-20 | 2017-03-20 | A kind of top punching of pulse transformer eliminates circuit and its top rushes removing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710167566.7A CN107070179A (en) | 2017-03-20 | 2017-03-20 | A kind of top punching of pulse transformer eliminates circuit and its top rushes removing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107070179A true CN107070179A (en) | 2017-08-18 |
Family
ID=59620195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710167566.7A Pending CN107070179A (en) | 2017-03-20 | 2017-03-20 | A kind of top punching of pulse transformer eliminates circuit and its top rushes removing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107070179A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2567620A (en) * | 2017-10-10 | 2019-04-24 | Teledyne E2V Uk Ltd | Microwave generation |
| CN110995210A (en) * | 2019-11-23 | 2020-04-10 | 重庆大学 | Multi-turn LTD pulse generator |
| CN111355474A (en) * | 2020-03-16 | 2020-06-30 | 四川英杰电气股份有限公司 | Control method of solid-state modulator |
| CN113497607A (en) * | 2020-04-07 | 2021-10-12 | 江苏麦克威微波技术有限公司 | Pulse modulation device |
| CN116388602A (en) * | 2023-03-31 | 2023-07-04 | 成都川新甲科技有限公司 | High-voltage pulse power supply modulator based on matrix type pulse transformer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6066901A (en) * | 1998-09-17 | 2000-05-23 | First Point Scientific, Inc. | Modulator for generating high voltage pulses |
| CN201550090U (en) * | 2009-11-09 | 2010-08-11 | 芜湖国睿兆伏电子股份有限公司 | Pulse modulator |
| CN203590071U (en) * | 2013-11-07 | 2014-05-07 | 南京三乐电子信息产业集团有限公司 | Magnetron modulator of pulse transformer |
| CN105576944A (en) * | 2016-02-18 | 2016-05-11 | 合肥雷科电子科技有限公司 | Top rush elimination circuit of high-voltage pulse power supply and top rush elimination method for top rush elimination circuit |
| CN105743341A (en) * | 2016-04-07 | 2016-07-06 | 中国工程物理研究院应用电子学研究所 | Voltage multiplication circuit |
| CN206595882U (en) * | 2017-03-20 | 2017-10-27 | 合肥雷科电子科技有限公司 | A kind of top punching of pulse transformer eliminates circuit |
-
2017
- 2017-03-20 CN CN201710167566.7A patent/CN107070179A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6066901A (en) * | 1998-09-17 | 2000-05-23 | First Point Scientific, Inc. | Modulator for generating high voltage pulses |
| CN201550090U (en) * | 2009-11-09 | 2010-08-11 | 芜湖国睿兆伏电子股份有限公司 | Pulse modulator |
| CN203590071U (en) * | 2013-11-07 | 2014-05-07 | 南京三乐电子信息产业集团有限公司 | Magnetron modulator of pulse transformer |
| CN105576944A (en) * | 2016-02-18 | 2016-05-11 | 合肥雷科电子科技有限公司 | Top rush elimination circuit of high-voltage pulse power supply and top rush elimination method for top rush elimination circuit |
| CN105743341A (en) * | 2016-04-07 | 2016-07-06 | 中国工程物理研究院应用电子学研究所 | Voltage multiplication circuit |
| CN206595882U (en) * | 2017-03-20 | 2017-10-27 | 合肥雷科电子科技有限公司 | A kind of top punching of pulse transformer eliminates circuit |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2567620A (en) * | 2017-10-10 | 2019-04-24 | Teledyne E2V Uk Ltd | Microwave generation |
| CN110995210A (en) * | 2019-11-23 | 2020-04-10 | 重庆大学 | Multi-turn LTD pulse generator |
| CN110995210B (en) * | 2019-11-23 | 2022-02-11 | 重庆大学 | Multi-turn LTD pulse generator |
| CN111355474A (en) * | 2020-03-16 | 2020-06-30 | 四川英杰电气股份有限公司 | Control method of solid-state modulator |
| CN113497607A (en) * | 2020-04-07 | 2021-10-12 | 江苏麦克威微波技术有限公司 | Pulse modulation device |
| CN116388602A (en) * | 2023-03-31 | 2023-07-04 | 成都川新甲科技有限公司 | High-voltage pulse power supply modulator based on matrix type pulse transformer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107070179A (en) | A kind of top punching of pulse transformer eliminates circuit and its top rushes removing method | |
| US8384333B2 (en) | Alternating voltage control apparatus | |
| CN101202509B (en) | Synchronous rectification circuit and method for retrace power converter | |
| CN101202511B (en) | Synchronous rectification circuit for resonance power converter | |
| US9866146B2 (en) | Enhanced flyback converter | |
| US20100277955A1 (en) | Boost Device For Voltage Boosting | |
| CN105576944A (en) | Top rush elimination circuit of high-voltage pulse power supply and top rush elimination method for top rush elimination circuit | |
| CN103812317A (en) | Clamping absorption circuit and impedance adjusting method thereof | |
| US20100328971A1 (en) | Boundary mode coupled inductor boost power converter | |
| CN102713254B (en) | Multiplexing drive circuit for an AC ignition system | |
| CN109995265B (en) | Program-controlled high-voltage repetition frequency nanosecond pulse power supply, system and control method | |
| CN104485820B (en) | Method for controlling double active power bridge DC/DC converter by adopting PWM (pulse-width modulation)-adjustable double phase-shifting | |
| GB2489262A (en) | Testing apparatus for testing a switching valve in an HVDC power converter | |
| CN100508345C (en) | Forward converter with synchronous rectification | |
| CN201550090U (en) | Pulse modulator | |
| CN206595882U (en) | A kind of top punching of pulse transformer eliminates circuit | |
| Chen et al. | Developing a solid-state quasi-square pulse Marx generator | |
| CN101529708B (en) | Microwave transmission line DC/DC converter | |
| CN105790576B (en) | A kind of isolated form CUK soft switch transducers | |
| WO2020152947A1 (en) | Dc-pulse power supply device | |
| CN103683867A (en) | Flyback switching power supply circuit and backlight source driving device with the same | |
| CN205509838U (en) | Top towards cancelling circuit of high -voltage pulse power | |
| CN103269165B (en) | The switching control circuit of power converter | |
| CN108429468A (en) | It adaptively adjusts the synchronous rectifying controller of driving voltage and uses its circuit | |
| CN108471255A (en) | A kind of arbitrary polarity high-voltage square-wave superimposed pulses device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |