CN203590071U - Magnetron modulator of pulse transformer - Google Patents
Magnetron modulator of pulse transformer Download PDFInfo
- Publication number
- CN203590071U CN203590071U CN201320696743.8U CN201320696743U CN203590071U CN 203590071 U CN203590071 U CN 203590071U CN 201320696743 U CN201320696743 U CN 201320696743U CN 203590071 U CN203590071 U CN 203590071U
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- pulse transformer
- magnetron
- solid
- state switch
- modulator
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Abstract
The utility model discloses a magnetron modulator of a pulse transformer. The magnetron modulator comprises a charging power supply (1), an energy storage capacitor (2), a solid-state switch (3), a trigger control and drive unit (4), a pulse transformer (5), a filament supply (6), and a magnetron (7). An output end of the charging power supply (1) is connected with the energy storage capacitor (2). The energy storage capacitor (2) is connected with the solid-state switch (3). The solid-state switch (3) is connected with the pulse transformer (5). An output end of the pulse transformer (5) is connected with the magnetron (7). The magnetron (7) is connected with the filament supply (6). The charging power supply (1), the solid-state switch (3), and the filament supply (6) are respectively connected with the control and drive unit (4). The magnetron modulator is reasonable in structural design and has low working voltage, pulse width is continuous adjustable, circuit is simple, structure is compact, waveform of output pulse is good, shock is low, and application range is wide.
Description
Technical field
The utility model relates to a kind of magnetron, is specifically related to a kind of magnetron modulator of pulse transformer.
Background technology
Radar transmitter main task is to provide required high-power RF signal to complete machine, and the quality of complete machine and the quality of transmitter performance have close contacting.At present, traditional radar transmitter is mainly hard-switch modulator transmitter and soft-switch modulator transmitter.Hard-switch modulator transmitter adopts high-voltage modulation pipe and storage capacitor to control transmitter required high-voltage modulation pulse, this modulator and load direct-coupling, impulse waveform is good, but it is complicated to have increased the bypass circuit of charging voltage, modulating tube, and efficiency is low, volume is large; It is that boostrap produces modulating pulse in conjunction with vacuum-tube switch, pulse transformer that flexible pipe transmitter adopts.This modulator pulses width is to be determined by boostrap design parameter, and after boostrap parameter is determined, its pulse duration is difficult to realize continuous adjusting.If when modulator and load impedance matching degree are bad, modulator output pulse waveform is poor, and there is larger concussion.
Therefore, necessary on the basis of prior art, a kind of structural design of research and design is more reasonable, and output pulse waveform is good, shakes the magnetron modulator of little pulse transformer.
Summary of the invention
Goal of the invention: the purpose of this utility model is in order to solve the deficiencies in the prior art, provide a kind of structural design more reasonable, operating voltage is low, modulating tube bypass is simple, pulse duration is adjustable continuously, and the magnetron modulator of the good pulse transformer of output pulse waveform.
Technical scheme: in order to realize above object, technical solution adopted in the utility model is:
A kind of magnetron modulator of pulse transformer, it comprises: charge power supply, storage capacitor, solid-state switch, control triggering and driver element, pulse transformer, filament supply and magnetron, the output of described charge power supply is connected with storage capacitor, storage capacitor is connected with solid-state switch, described solid-state switch is connected with pulse transformer, the output of pulse transformer is connected with magnetron, described magnetron is connected with filament supply, and described charge power supply, solid-state switch and filament supply are connected with driver element with control respectively.
As preferred version, the magnetron modulator of above-described pulse transformer, described charge power supply is high-frequency inversion resonant power.
As preferred version, the magnetron modulator of above-described pulse transformer, described solid-state switch is MOSFET type solid-state switch.
As preferred version, the magnetron modulator of above-described pulse transformer, described pulse transformer is the booster type transformer of elementary multichannel winding.
As preferred version, the magnetron modulator of above-described pulse transformer, described filament supply is single-ended flyback power supply.
As preferred version, the magnetron modulator of above-described pulse transformer, one end of described storage capacitor is connected with the armature winding of pulse transformer, and the other end of storage capacitor is connected with solid-state switch; The described solid-state switch other end is connected and forms independently energized circuit with the armature winding of pulse transformer, and the secondary winding of described pulse transformer and magnetron form the output loop of pulse transformer.
As preferred version, the magnetron modulator of above-described pulse transformer, described magnetron is impulse type magnetron.
Beneficial effect: the magnetron modulator of the pulse transformer that the utility model provides compared with prior art has the following advantages:
The magnetron modulator of the pulse transformer that the utility model provides, reasonable in design, have low operating voltage, pulse duration continuously simple, the compact conformation of adjustable, circuit, output pulse waveform good, shake littlely, have wide range of applications, can overcome many deficiencies of prior art.
Accompanying drawing explanation
The structural representation of the magnetron modulator of the pulse transformer that Fig. 1 provides for the utility model.
Fig. 2 is the electrical block diagram that in modulator basis, storage capacitor, solid-state switch, pulse transformer and magnetron form.
Fig. 3 is control sequential and the output waveform figure of the magnetron modulator of this practical example 1 pulse transformer.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand these embodiment and only for the utility model is described, be not used in restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present utility model.
As depicted in figs. 1 and 2, a kind of magnetron modulator of pulse transformer, it comprises: charge power supply (1), storage capacitor (2), solid-state switch (3), control and trigger and driver element (4), pulse transformer (5), filament supply (6) and magnetron (7), the output of described charge power supply (1) is connected with storage capacitor (2), storage capacitor (2) is connected with solid-state switch (3), described solid-state switch (3) is connected with pulse transformer (5), the output of pulse transformer (5) is connected with magnetron (7), described magnetron (7) is connected with filament supply (6), described charge power supply (1), solid-state switch (3) is connected with driver element (4) with control respectively with filament supply (6).
The magnetron modulator of above-described pulse transformer, described charge power supply (1) is high-frequency inversion resonant power.
The magnetron modulator of above-described pulse transformer, described solid-state switch (3) is MOSFET type solid-state switch.
The magnetron modulator of above-described pulse transformer, described pulse transformer (5) is the booster type transformer of elementary multichannel winding.
The magnetron modulator of above-described pulse transformer, is characterized in that: described filament supply (6) is single-ended flyback power supply.
The magnetron modulator of above-described pulse transformer, one end of described storage capacitor (2) is connected with the armature winding of pulse transformer (5), and the other end of storage capacitor (2) is connected with solid-state switch (3); Described solid-state switch (3) other end is connected and forms independently energized circuit with the armature winding of pulse transformer (5), and the secondary winding of described pulse transformer (5) and magnetron (7) form the output loop of pulse transformer (5).
The magnetron modulator of above-described pulse transformer, described magnetron (7) is impulse type magnetron.
The magnetron modulator of above-described pulse transformer, the effect of charge power supply (1) is to produce high direct voltage, adopts high-frequency inversion resonant power.Due to the existence of electric capacity and inductance, make to be output as constant-current source; Resonance manner is series parallel resonance topological structure, and its advantage is when load rating, and converter presents the characteristic of series resonant converter, is partial to parallel resonance converter characteristic when load lightens; Between charge power supply (1) and storage capacitor (2), go here and there current limiting resistance (R) and diode (V).Charge power supply (1), solid-state switch (3) is connected with driver element (4) with control respectively with filament supply (6), charge power supply (1) receives after the charging enable signal of control and driver element (4), producing high direct voltage charges to storage capacitor (2), storage capacitor (2) is charged to after required operating voltage, control and driver element (4) shutoff charging enable signal, trigger the driving signal of solid-state switch (4) simultaneously, the driving signal of solid-state switch (3) reception control and driver element (4) is added to magnetron (7) two ends by pulse voltage after the energy of storage capacitor (2) storage is boosted by pulse transformer (5).Solid-state switch (3) adopts MOSFET type solid-state switch.The high-end connection of solid-state switch (3) and storage capacitor (2).Pulse transformer (5) is step-up transformer, because modularot output voltage and electric current are in tens of kV and tens of magnitude to hundreds of A, for improving insulating properties, the elementary pulse voltage of pulse transformer (5) is designed to 1kV left and right, now, the elementary all previous current peak of pulse transformer (5) will reach hundreds of magnitudes to thousands of A, so pulse transformer (5) armature winding adopts multichannel armature winding.The single-ended flyback power supply that filament supply (6) adopts is realized.Mainly include the unit such as high-frequency inversion, high voltage isolating transformer, rectification, voltage sample.By output voltage sampling feedback to low-voltage control circuit, thereby the work of control inverter makes output voltage and current stabilization.
In Fig. 2, in the elementary multichannel winding of pulse transformer (5), in the situation that total elementary exciting current is constant, elementary total exciting current can be assigned in each elementary multichannel winding, can effectively reduce the excited work electric current on elementary every road.The elementary every road of pulse transformer (5) winding is insulated from each other, and primary circuit is simple.This pulse transformer (5) adopts multichannel armature winding structure, can avoid the circuit somewhat complex design problem being caused by (3) connection in series-parallel of many solid-state switches.
The control sequential of the magnetron modulator of the pulse transformer described in the utility model embodiment 1 and output waveform are as shown in Figure 3.
After system boot, charge power supply (1) enable signal, solid-state switch (3) triggering signal respectively controlled and driver element (4) are controlled, at t
0constantly, storage capacitor (2) has been full of voltage.T
0constantly, start signal is low, and charge power supply (1) enable signal is low, charge power supply (1) no-output, solid-state switch (3) MOSFET is in off state, and the voltage on storage capacitor (2) cannot pass through pulse transformer (5) to magnetron (7) electric discharge, magnetron (7) no-output.
T
1constantly, control and driver element (4) are sent start signal, postpone after a period of time t
3constantly, control and driver element (4) are sent and are triggered as high level signal, t
4solid-state switch (3) conducting constantly, the pulse transformer (5) that passes through on storage capacitor (2) discharges to magnetron (7).T
5constantly, storage capacitor (2) voltage discharges, and solid-state switch (3) turn-offs.T
6constantly, control and driver element (4) are sent enable signal, and charge power supply (1) work, starts to charge to storage capacitor (2).Until t
7constantly enter next cycle.
T
2~ t
8time is heavy discharge time of energy storage, wherein, and t
2~ t
6in time, storage capacitor (2) electric discharge; t
6~ t
8in time, charge power supply (1) is charged to storage capacitor (2).
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (7)
1. the magnetron modulator of a pulse transformer, it is characterized in that, it comprises: charge power supply (1), storage capacitor (2), solid-state switch (3), control and trigger and driver element (4), pulse transformer (5), filament supply (6) and magnetron (7), the output of described charge power supply (1) is connected with storage capacitor (2), storage capacitor (2) is connected with solid-state switch (3), described solid-state switch (3) is connected with pulse transformer (5), the output of pulse transformer (5) is connected with magnetron (7), described magnetron (7) is connected with filament supply (6), described charge power supply (1), solid-state switch (3) is connected with driver element (4) with control respectively with filament supply (6).
2. the magnetron modulator of pulse transformer according to claim 1, is characterized in that: described charge power supply (1) is high-frequency inversion resonant power.
3. the magnetron modulator of pulse transformer according to claim 1, is characterized in that: described solid-state switch (3) is MOSFET type solid-state switch.
4. the magnetron modulator of pulse transformer according to claim 1, is characterized in that: described pulse transformer (5) is the booster type transformer of elementary multichannel winding.
5. the magnetron modulator of pulse transformer according to claim 4, is characterized in that: described filament supply (6) is single-ended flyback power supply.
6. the magnetron modulator of pulse transformer according to claim 5, is characterized in that: one end of described storage capacitor (2) is connected with the armature winding of pulse transformer (5), and the other end of storage capacitor (2) is connected with solid-state switch (3); Described solid-state switch (3) other end is connected and forms independently energized circuit with the armature winding of pulse transformer (5), and the secondary winding of described pulse transformer (5) and magnetron (7) form the output loop of pulse transformer (5).
7. the magnetron modulator of pulse transformer according to claim 1, is characterized in that: described magnetron (7) is impulse type magnetron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320696743.8U CN203590071U (en) | 2013-11-07 | 2013-11-07 | Magnetron modulator of pulse transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320696743.8U CN203590071U (en) | 2013-11-07 | 2013-11-07 | Magnetron modulator of pulse transformer |
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| CN203590071U true CN203590071U (en) | 2014-05-07 |
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| CN201320696743.8U Expired - Fee Related CN203590071U (en) | 2013-11-07 | 2013-11-07 | Magnetron modulator of pulse transformer |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406840A (en) * | 2015-12-17 | 2016-03-16 | 上海电机学院 | MOSFET (Metal-Oxide Semiconductor Field-Effect Transistor) based radar pulse generator |
| 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 |
| CN109300754A (en) * | 2018-11-24 | 2019-02-01 | 芜湖国睿兆伏电子有限公司 | A kind of control system of Vacuum Magnetic keyholed back plate |
| CN112511136A (en) * | 2020-11-27 | 2021-03-16 | 上海空间电源研究所 | High-voltage pulse magnetron modulation power supply |
| CN116436332A (en) * | 2023-05-06 | 2023-07-14 | 安徽戈瑞加速器技术有限公司 | Dual-energy alternate output pulse modulator |
-
2013
- 2013-11-07 CN CN201320696743.8U patent/CN203590071U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406840A (en) * | 2015-12-17 | 2016-03-16 | 上海电机学院 | MOSFET (Metal-Oxide Semiconductor Field-Effect Transistor) based radar pulse generator |
| CN105406840B (en) * | 2015-12-17 | 2018-06-26 | 上海电机学院 | Radar pulse generator based on MOSFET |
| 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 |
| CN109300754A (en) * | 2018-11-24 | 2019-02-01 | 芜湖国睿兆伏电子有限公司 | A kind of control system of Vacuum Magnetic keyholed back plate |
| CN112511136A (en) * | 2020-11-27 | 2021-03-16 | 上海空间电源研究所 | High-voltage pulse magnetron modulation power supply |
| CN112511136B (en) * | 2020-11-27 | 2023-03-17 | 上海空间电源研究所 | High-voltage pulse magnetron modulation power supply |
| CN116436332A (en) * | 2023-05-06 | 2023-07-14 | 安徽戈瑞加速器技术有限公司 | Dual-energy alternate output pulse modulator |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20140507 Termination date: 20211107 |