CN206595882U - A kind of top punching of pulse transformer eliminates circuit - Google Patents
A kind of top punching of pulse transformer eliminates circuit Download PDFInfo
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- CN206595882U CN206595882U CN201720272676.5U CN201720272676U CN206595882U CN 206595882 U CN206595882 U CN 206595882U CN 201720272676 U CN201720272676 U CN 201720272676U CN 206595882 U CN206595882 U CN 206595882U
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- pulse transformer
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Abstract
The top punching that the utility model is related to a kind of pulse transformer eliminates circuit, 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 utility model is particularly suitable for magnetron such to impulse waveform requirement height and the application of forward position difficulty of matching greatly 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 utility model is related to high voltage pulse transformer technical field, and the top punching of especially a kind of pulse transformer eliminates electricity
Road.
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.
Utility model content
The purpose of this utility model 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, the utility model employs following technical scheme：A kind of top punching of pulse transformer is eliminated
Circuit, including multiple square wave modules, controller, pulse transformer T1 and load RL, each square wave module and pulse transformer T1
An armature winding correspond 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 output control signal
To 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.
As shown from the above technical solution, the beneficial effects of the utility model are：First, due to using each pulse unit of regulation
The unlatching time delay of circuit, realizes the top high flat degree of voltage pulse output waveform after pulse transformer；Second, due to pulse list
The discharge switch of first circuit is firm tube device, and discharge pulse width and forward position are controllable, is particularly suitable for magnetron such to arteries and veins
Rush waveform requirements height and the application of forward position difficulty of matching greatly.
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 present utility model；
Fig. 4 is working timing figure of the present utility model.
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.
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 utility model is due to using the unlatching time delay for adjusting each pulse unit circuit, realizing pulse transforming
The top high flat degree of voltage pulse output after device；Because the discharge switch of pulse unit circuit is firm tube device, discharge pulse
Width and forward position are controllable, are particularly suitable for magnetron such to impulse waveform requirement height and the application of forward position difficulty of matching greatly.
Claims (5)
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.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720272676.5U CN206595882U (en) | 2017-03-20 | 2017-03-20 | A kind of top punching of pulse transformer eliminates circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720272676.5U CN206595882U (en) | 2017-03-20 | 2017-03-20 | A kind of top punching of pulse transformer eliminates circuit |
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| CN206595882U true CN206595882U (en) | 2017-10-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070179A (en) * | 2017-03-20 | 2017-08-18 | 合肥雷科电子科技有限公司 | A kind of top punching of pulse transformer eliminates circuit and its top rushes removing method |
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2017
- 2017-03-20 CN CN201720272676.5U patent/CN206595882U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070179A (en) * | 2017-03-20 | 2017-08-18 | 合肥雷科电子科技有限公司 | A kind of top punching of pulse transformer eliminates circuit and its top rushes removing method |
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