CN206850687U - Large power high voltage pulse hard switch modulator - Google Patents
Large power high voltage pulse hard switch modulator Download PDFInfo
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- CN206850687U CN206850687U CN201720502082.9U CN201720502082U CN206850687U CN 206850687 U CN206850687 U CN 206850687U CN 201720502082 U CN201720502082 U CN 201720502082U CN 206850687 U CN206850687 U CN 206850687U
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- high voltage
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- 230000009466 transformation Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000001960 triggered effect Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
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- 229910052739 hydrogen Inorganic materials 0.000 description 1
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Abstract
The utility model discloses a kind of large power high voltage pulse hard switch modulator, including：Trigger, export bipolarity trigger pulse；Multiplexing extension set, the bipolarity trigger pulse is received, and multiplexing pulse is generated according to the bipolarity trigger pulse；Pulse transformer, receives the multiplexing pulse, and by the multiplexing pulse combination target pulse；Energy-storage units, powered to the multiplexing extension set；Power subsystem, the energy-storage units are charged.The utility model realizes that fire pulse width and repetition rate flexibly change and expanded modulator power magnitude, so as to adapt to requirement of the modern radar to emitter.
Description
Technical field
High voltage pulse modulator technical field is the utility model is related to, is modulated more particularly to a kind of large power high voltage pulse
Device.
Background technology
High voltage pulse modulator is divided into linear modulator and hard switch modulator two ways.At present, high-power linear modulation
Device is used as modulation switch using hydrogen thyratron, controllable silicon etc.；Small-power hard switch modulator is using impulse modulator tube, IGBT as tune
System switch.
Linear modulator shortcoming is that modulating pulse width is determined by pulse forming network (also referred to as boostrap, artificial line), this
Sample is in electric vacuum tube maximum functional than under limitation, constraining the change of pulse width and repetition rate, it is difficult to meet modern radar
Requirement to emitter.At present, although hard switch modulator is in the case where electric vacuum tube maximum functional is than limiting, pulse width and repetition frequency
Rate can flexibly change, but modulator power magnitude can not be done greatly, can not equally meet that modern radar is wanted to emitter
Ask.
Utility model content
The purpose of this utility model is overcome the deficiencies in the prior art, there is provided a kind of large power high voltage pulse is rigidly modulated
Device, realize that fire pulse width and repetition rate flexibly change and expanded modulator power magnitude, so as to adapt to modern radar
Requirement to emitter.
The purpose of this utility model is achieved through the following technical solutions：Large power high voltage pulse hard switch modulator,
Including：
Trigger, export bipolarity trigger pulse；
Multiplexing extension set, the bipolarity trigger pulse is received, and multichannel is generated according to the bipolarity trigger pulse
Modulate pulse；
Pulse transformer, receives the multiplexing pulse, and by the multiplexing pulse combination target pulse；
Energy-storage units, powered to the multiplexing extension set；
Power subsystem, the energy-storage units are charged.
Preferably, the pulse hard switch modulator also includes：Current detecting unit, detect energy-storage units and described more
Current value between road modulation extension set, and the current value is exported to trigger；Trigger stops when the current value is more than threshold value
Only export bipolarity trigger pulse.
Preferably, the current detecting unit is current transformer.
Preferably, the first current limiter is provided between the power subsystem and the energy-storage units.
Preferably, the multiplexing extension set includes：
Triggers circuit, the bipolarity trigger pulse is received, and the bipolarity trigger pulse is depressured, voltage stabilizing,
And export the bipolarity trigger pulse after processing；
IGBT components, the electric current of the energy-storage units output and the bipolarity trigger pulse are received, and according to described double
Polarity trigger pulse is turned on or off, output multi-channel modulation pulse.
Preferably, the IGBT components are made up of multiple branch circuit parallel connections, and each branch route multiple IGBT devices and is composed in series.
Preferably, the multiplexing extension set also includes：Equalizer circuit, using resistance static state voltage equipoise or RCD dynamic voltage balancings
Realize each IGBT device series average-voltage.
Preferably, the second current limiter is provided between the IGBT components and energy-storage units.
Preferably, the trigger includes：
Input module is triggered, sends the trigger signal for producing trigger pulse；
Modulator state detection module, receives the current value of the current transformer output, and is more than threshold in the current value
During value, triggering termination signal is sent to trigger pulse generation module；
Trigger pulse generation module, the trigger signal that the triggering input module is sent is received, and it is defeated according to trigger signal
Go out bipolarity trigger pulse；And the triggering termination signal that the modulator state detection module is sent is received, and according to triggering
Termination signal stops output bipolarity trigger pulse；
Power transformer, it is that trigger pulse generation module is powered after civil power is carried out into transformation.
The beneficial effects of the utility model are：IGBT modulation switch is pressed equal Flow Technique, IGBT to modulate by the utility model
Quick protection technique, large power high voltage pulse transformer efficiency synthetic technology three combination are switched, has expanded modulator work(
Rate magnitude, improves transmitter reliability, meets modern radar to emitter requirement.
Brief description of the drawings
Fig. 1 is the structured flowchart of one embodiment of the utility model large power high voltage pulse hard switch modulator；
Fig. 2 is the structured flowchart of one embodiment of trigger in Fig. 1.
Embodiment
The technical solution of the utility model, but the scope of protection of the utility model are described in further detail below in conjunction with the accompanying drawings
It is not limited to as described below.
As shown in figure 1, large power high voltage pulse hard switch modulator, including trigger, multiplexing extension set, pulse transforming
Device, energy-storage units, power subsystem and the first current limiter, the current output terminal of power subsystem and the current input terminal electricity of energy-storage units
Connection, the current output terminal of energy-storage units electrically connect with by the first current limiter with the current input terminal of multiplexing extension set, touch
The pulse output end of hair device is connected with the triggering input of multiplexing extension set, the pulse output end of multiplexing extension set and pulse
The pulse input end connection of transformer.
Wherein, trigger is used to export bipolarity trigger pulse；Multiplexing extension set is used to receive the bipolarity triggering
Pulse, and multiplexing pulse is generated according to the bipolarity trigger pulse；Pulse transformer is used to receive the multiplexing
Pulse, and by the multiplexing pulse combination target pulse；Energy-storage units are used to power to the multiplexing extension set；Power supply
Unit is used to charge to the energy-storage units.
The pulse hard switch modulator also includes current detecting unit, and current detecting unit is used to detect the energy-storage units
Current value between the multiplexing extension set, and the current value is exported to trigger；Trigger is more than in the current value
During threshold value, stop output bipolarity trigger pulse.Current detecting unit uses current transformer in the present embodiment.
First current limiter is current-limiting resistance.
The multiplexing extension set includes triggers circuit and IGBT components；Triggers circuit is used to receive the bipolarity triggering
Pulse, and the bipolarity trigger pulse is depressured, voltage stabilizing, and export the bipolarity trigger pulse after processing, this implementation
In example, set trigger pulse transformer to be depressured bipolarity trigger pulse, set bi-directional voltage stabilizing diode pair bipolarity to touch
Send out pulse and carry out voltage stabilizing；IGBT components are used to receive the electric current of the energy-storage units output and the bipolarity trigger pulse, and
It is turned on or off according to the bipolarity trigger pulse, output multi-channel modulation pulse.
IGBT selects Fairchild Semiconductor HGTG27N120, and the redundancy of multiplexing extension set voltage has 2.4 times, electric current
3.9 times of redundancy.
The IGBT components are made up of multiple branch circuit parallel connections, and each branch route multiple IGBT devices and is composed in series.The present embodiment
In, IGBT components are made up of two branch circuit parallel connections, are composed in series wherein each branch route four IGBT devices.
The multiplexing extension set also includes equalizer circuit, and equalizer circuit is used for using resistance static state voltage equipoise or RCD dynamics
Pressure realizes each IGBT device series average-voltage.
The second current limiter is provided between the IGBT components and energy-storage units, the second current limiter is current-limiting resistance, inductance.
As shown in Fig. 2 the trigger includes triggering input module, trigger pulse generation module, power transformer and tune
Device state detection module processed, trigger the control output end of input module and lead to the first control signal of trigger pulse generation module
Letter connection, the current input terminal of power transformer connect civil power, current output terminal and the trigger pulse generation module of power transformer
Current input terminal electrical connection, the signal output part of the signal input part of modulator state detection module and current detecting unit connects
Connecing, the control output end of modulator state detection module communicates to connect with the second control signal of trigger pulse generation module,
The pulse output end of trigger pulse generation module is connected with the triggering input of multiplexing extension set.
In the trigger, triggering input module is used to send the trigger signal for producing trigger pulse；Trigger pulse generates mould
Block is used to receive the trigger signal that the triggering input module is sent, and exports bipolarity trigger pulse according to trigger signal；With
And the triggering termination signal that the modulator state detection module is sent is received, and it is bipolar according to triggering termination signal stopping output
Property trigger pulse；It is that trigger pulse generation module is powered that power transformer, which is used for after civil power is carried out into transformation,；Modulator state is examined
The current value that module is used to receive the current detecting unit output is surveyed, and when the current value is more than threshold value, to trigger pulse
Generation module sends triggering termination signal, and trigger pulse generation module stops output bipolarity triggering arteries and veins according to triggering termination signal
Punching；And send failure alarm signal to default equipment.
Trigger uses CMOS integrated circuits, and its switching levels thresholding is high, strong antijamming capability.Modulation extension set a little connects
Ground, current detecting unit altogether, avoid the next interference of ground strip with trigger；Signal wire in trigger uses cable transmission,
Avoid radiation interference.
The present embodiment provides a kind of array hard switch modulator, and compared to array linear modulator, its advantage is such as
Shown in table 1.
The array linear modulator of table 1 and array hard switch modulator performance comparision
Described above is only preferred embodiment of the present utility model, it should be understood that the utility model is not limited to herein
Disclosed form, the exclusion to other embodiment is not to be taken as, and can be used for various other combinations, modification and environment, and
It can be modified in contemplated scope described herein by the technology or knowledge of above-mentioned teaching or association area.And this area
The change and change that personnel are carried out do not depart from spirit and scope of the present utility model, then all should be in right appended by the utility model
It is required that protection domain in.
Claims (9)
1. large power high voltage pulse hard switch modulator, it is characterised in that including：
Trigger, export bipolarity trigger pulse；
Multiplexing extension set, the bipolarity trigger pulse is received, and multiplexing is generated according to the bipolarity trigger pulse
Pulse；
Pulse transformer, receives the multiplexing pulse, and by the multiplexing pulse combination target pulse；
Energy-storage units, powered to the multiplexing extension set；
Power subsystem, the energy-storage units are charged.
2. large power high voltage pulse hard switch modulator according to claim 1, it is characterised in that the pulse is rigidly modulated
Device also includes：Current detecting unit, detects the current value between the energy-storage units and the multiplexing extension set, and by the electricity
Flow valuve is exported to trigger；Trigger stops output bipolarity trigger pulse when the current value is more than threshold value.
3. large power high voltage pulse hard switch modulator according to claim 2, it is characterised in that the current detecting unit
For current transformer.
4. large power high voltage pulse hard switch modulator according to claim 1, it is characterised in that the power subsystem and institute
State and be provided with the first current limiter between energy-storage units.
5. large power high voltage pulse hard switch modulator according to claim 1, it is characterised in that the multiplexing extension set
Including：Triggers circuit, the bipolarity trigger pulse is received, and the bipolarity trigger pulse is depressured, voltage stabilizing, and it is defeated
The bipolarity trigger pulse gone out after processing；
IGBT components, the electric current of the energy-storage units output and the bipolarity trigger pulse are received, and according to the bipolarity
Trigger pulse is turned on or off, output multi-channel modulation pulse.
6. large power high voltage pulse hard switch modulator according to claim 5, it is characterised in that the IGBT components are by more
Individual branch circuit parallel connection is formed, and each branch route multiple IGBT devices and is composed in series.
7. large power high voltage pulse hard switch modulator according to claim 6, it is characterised in that the multiplexing extension set
Also include：Equalizer circuit, each IGBT device series average-voltage is realized using resistance static state voltage equipoise or RCD dynamic voltage balancings.
8. large power high voltage pulse hard switch modulator according to claim 5, it is characterised in that the IGBT components and storage
The second current limiter can be provided between unit.
9. large power high voltage pulse hard switch modulator according to claim 3, it is characterised in that the trigger includes：
Input module is triggered, sends the trigger signal for producing trigger pulse；
Modulator state detection module, the current value of the current transformer output is received, and when the current value is more than threshold value,
Triggering termination signal is sent to trigger pulse generation module；Trigger pulse generation module, receive the triggering input module and send
Trigger signal, and according to trigger signal export bipolarity trigger pulse；And receive the modulator state detection module hair
The triggering termination signal gone out, and output bipolarity trigger pulse is stopped according to triggering termination signal；Power transformer, civil power is entered
Powered after row transformation for trigger pulse generation module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720502082.9U CN206850687U (en) | 2017-05-08 | 2017-05-08 | Large power high voltage pulse hard switch modulator |
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| CN201720502082.9U CN206850687U (en) | 2017-05-08 | 2017-05-08 | Large power high voltage pulse hard switch modulator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106961227A (en) * | 2017-05-08 | 2017-07-18 | 成都锦江电子***工程有限公司 | Large power high voltage pulse hard switch modulator |
| CN108776328A (en) * | 2018-04-04 | 2018-11-09 | 海华电子企业(中国)有限公司 | A kind of rigid solid state rapidly switches off radar transmitter modulating device and method |
| CN109520590A (en) * | 2018-12-18 | 2019-03-26 | 北京古大仪表有限公司 | A kind of radar level gauging system and its method of supplying power to |
-
2017
- 2017-05-08 CN CN201720502082.9U patent/CN206850687U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106961227A (en) * | 2017-05-08 | 2017-07-18 | 成都锦江电子***工程有限公司 | Large power high voltage pulse hard switch modulator |
| CN108776328A (en) * | 2018-04-04 | 2018-11-09 | 海华电子企业(中国)有限公司 | A kind of rigid solid state rapidly switches off radar transmitter modulating device and method |
| CN109520590A (en) * | 2018-12-18 | 2019-03-26 | 北京古大仪表有限公司 | A kind of radar level gauging system and its method of supplying power to |
| CN109520590B (en) * | 2018-12-18 | 2020-04-14 | 北京古大仪表有限公司 | Radar level measurement system and power supply method thereof |
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Granted publication date: 20180105 |