CN104954043A - S-band megawatt dual-unit hot standby transmitter and control method thereof - Google Patents

S-band megawatt dual-unit hot standby transmitter and control method thereof Download PDF

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Publication number
CN104954043A
CN104954043A CN201510373395.4A CN201510373395A CN104954043A CN 104954043 A CN104954043 A CN 104954043A CN 201510373395 A CN201510373395 A CN 201510373395A CN 104954043 A CN104954043 A CN 104954043A
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China
Prior art keywords
transmitter
switch
high pressure
waveguide
waveguide switch
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CN201510373395.4A
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Inventor
张建华
王群杰
束峰涛
孙国强
徐玉存
丁毅
纪安
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CETC 38 Research Institute
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CETC 38 Research Institute
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Priority to CN201510373395.4A priority Critical patent/CN104954043A/en
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Abstract

The invention discloses an S-band megawatt dual-unit hot standby transmitter and a control method thereof. The S-band megawatt dual-unit hot standby transmitter comprises two high-power transmitters A and B, a waveguide switch with four ports, a microwave load, antennae and feeder wires, wherein four ports divided into two groups are formed in the waveguide switch and form a cross shape, every two of the four ports are opposite to each other, and the opposite ports are not communicated; output waveguides of the transmitters A and B are connected to one group of opposite ports of the waveguide switch respectively, the microwave load and the feed wires are connected to the other group of opposite ports of the waveguide switch, and output of each transmitter gets to the antennae through the feed wires; the waveguide switch comprises a stator and a rotor, the stator is a framework of the waveguide switch, the four ports are formed in the stator, and the rotor is controlled by a micromotor of the waveguide switch to rotate, and accordingly, the antennae are connected with one of the transmitters A and B. The invention further discloses of the control method of the S-band megawatt dual-unit hot standby transmitter.

Description

A kind of S-band MW class two-node cluster hot backup transmitter and control method thereof
Technical field
The present invention relates to radar, a kind of transmitter in electronic countermeasures field and control method thereof, refer more particularly to a kind of S-band MW class two-node cluster hot backup transmitter and control method thereof.
Background technology
Along with the growth of Homeland air defense Intelligence Request, and the development of High Power Countermeasures technology, higher demand is proposed to the reliability of the high-power defense electronics such as radar, electronic countermeasures and long-term work ability, especially the special station such as high mountain, island, to the reliability of these equipment and the demand of long-term work ability more urgent.
On the other hand, because the power device in high-power transmitter is because needing the power that process is larger, its reliability is restricted, progressively become the bottleneck of these equipment Reliability, especially radio tube transmitter, not only there is life problems, under also needing to be applied in high-tension condition, the reliability of high-power transmitter is made to become one of principal element affecting radar equipment reliability, for giving full play to the performance of these equipments, meet national defense mission demand, it may be necessary and the reliability improving equipment is backed up to transmitter.
For high-power transmitter, common backup mode is all cold standby.So-called cold standby is exactly: the parts backed up or transmitter do not work at ordinary times, also preheat mode is not in, once the transmitter worked or its parts break down at work, need to shut down, change transmitter or the parts of backup, the process changed not only needs to shut down, tear open in addition, the process of dress, if replacing transmitter, need to involve waveguide toward contact, tearing open of water-cooling system, dress, debugging etc., and warm is also inevitable when again starting shooting, change spare part to compare and expend time in, even the process changing spare part also can produce considerable influence to assignment in preparedness against war.And cold standby is the main flow backup mode that current radar transmitter adopts, it is also common backup mode.
Summary of the invention
The impact that the long-time shutdown existed when changing spare part to overcome current cold standby mode is grasped empty feelings; realize the replacing of auxiliary transmitter as early as possible; shorten the time changing spare part as far as possible; improve reliability and the protection of radar complete machine, the invention provides a kind of S-band MW class two-node cluster hot backup transmitter and control method thereof.
The present invention is achieved by the following technical solutions: a kind of S-band MW class two-node cluster hot backup transmitter, and it comprises transmitter one, transmitter two, waveguide switch, microwave pad, antenna, feeder line; Described waveguide switch is provided with four ports, and four ports are that cross is arranged so that four ports are relative between two, and two relative ports communicate never; The output waveguide of two transmitters is received in be oppositely arranged two ports of described waveguide switch respectively, and described microwave pad and described feeder line are received in remaining two ports be oppositely arranged of described waveguide switch, remove described antenna by described feeder line; Described waveguide switch comprises stators and rotators, described stator is the framework of described waveguide switch, described four ports are arranged on said frame, the control of the electrical micro-machine that described rotor carries by described waveguide switch and rotating, described rotor controls described antenna and selects one to connect by rotating in two transmitters.
As the further improvement of such scheme, when transmitter one controls described waveguide switch, described waveguide switch rotates, and transmitter one is connected antenna, and described microwave pad is received by transmitter two; When transmitter two controls described waveguide switch, described waveguide switch rotates backward, and again transmitter two is connected antenna, and described microwave pad is received by transmitter one.
Preferably, when antenna received by transmitter one, what waveguide switch positional information added high pressure to transmitter one chainly opens, transmitter one adds high pressure, once transmitter one adds high pressure, the control of waveguide switch is just locked, and connect transmitter one all the time, electrical micro-machine can not receive the control signal from transmitter two and turn to transmitter two; When antenna received by transmitter two, what waveguide switch positional information added high pressure to transmitter two chainly opens, transmitter two adds high pressure, once transmitter two adds high pressure, the control of waveguide switch is just locked, all the time connect transmitter two, electrical micro-machine can not receive the control signal from transmitter one and turn to transmitter one.
Again preferably, when changing transmitter, first remove the add high pressure transmitter one of work or the high pressure of transmitter two, disconnect waveguide control switch, then connect the waveguide control switch of auxiliary transmitter two or transmitter one, control the electric machine rotation of waveguide switch, realize waveguide and switch, auxiliary transmitter two or transmitter one are received antenna, then adds the high pressure of auxiliary transmitter two or transmitter one.
Further, under remote state, the master station of a radar switches two transmitters, the state of a control of two transmitters is arranged on remote state.
As the further improvement of such scheme, no matter whether one of them transmitter of serving as task is in running order, another transmitting function adds low pressure at any time and carries out preheating as backup.
The present invention also provides a kind of control method of S-band MW class two-node cluster hot backup transmitter, and it comprises the following steps:
When transmitter one controls described waveguide switch, described waveguide switch rotates, and transmitter one is connected antenna, and described microwave pad received by transmitter two;
And when transmitter two controls described waveguide switch, described waveguide switch rotates backward, again transmitter two is connected antenna, described microwave pad received by transmitter one.
As the further improvement of such scheme, when antenna received by transmitter one, what transmitter one added high pressure by the positional information leading switch chainly opens, transmitter one adds high pressure, once transmitter one adds high pressure, the control of waveguide switch is just locked, and connect transmitter one all the time, electrical micro-machine can not receive the control signal from transmitter two and turn to transmitter two; And when antenna received by transmitter two, what transmitter two added high pressure by the positional information leading switch chainly opens, transmitter two adds high pressure, once transmitter two adds high pressure, the control of waveguide switch is just locked, all the time connect transmitter two, electrical micro-machine can not receive the control signal from transmitter one and turn to transmitter one.
Preferably, when changing transmitter, first remove the add high pressure transmitter one of work or the high pressure of transmitter two, disconnect waveguide control switch, then the waveguide control switch of transmitter two or transmitter one is connected to control the electric machine rotation of waveguide switch, realize waveguide to switch, auxiliary transmitter two or transmitter one are received antenna, then adds the high pressure of auxiliary transmitter two or transmitter one.
Again preferably, under remote state, the master station of a radar switches two transmitters, the state of a control of two transmitters is arranged on remote state.
The present invention is at S-band two identical MW class transmitters, during a transmitter job, another transmitter is as backup, therefore before switching waveguide, the transmitter of backup can be preheated in advance, once switch, can devote oneself to work immediately, save the warm-up time after switching, this is the maximum feature of this Hot Spare technology.The present invention, respectively through respective output feeder, is connected to antenna by electronic waveguide switch; Waveguide switch has 4 ports, and there is a rotor centre, and the electrical micro-machine that rotor is carried controls, and each transmitter can control electrical micro-machine, thus realizes the automatic switchover to waveguide switch.The use of waveguide switch, make the switching of two transmitters very convenient, eliminate the time changing waveguide and water-cooling system, especially when the transmitter A (i.e. transmitter one) in two transmitters is when exporting microwave power, transmitter B (i.e. transmitter two) can leave low pressure preheating at any time, after transmitter B is preheated, the high pressure of transmitter A can be turned off, remove the control command that transmitter A controls waveguide switch again, add that transmitter B controls the control command of waveguide switch afterwards, waveguide switch rotor will rotate immediately, transmitter A and antenna are thrown off, be switched to transmitter B to communicate with antenna, and the position sending waveguide switch has been switched to the signal of transmitter B to transmitter B, represent that waveguide has switched, now can add high pressure to transmitter B, transmitter B exports microwave power, complete and be switched to transmitter B by transmitter A, otherwise also can.The handoff procedure of waveguide switch, less than 1 second, is switched to the process of transmitter B less than 5 seconds by transmitter A.
Due to before handover, the transmitter of backup can preheating at any time, the transmitter backed up during switching has been in preheated state, therefore the mode of this Hot Spare is adopted, the transmitter of backup can utilize the operating time of serving as task transmitter to enter preheating in advance, thus cold standby transmitter can be avoided to enter operating state necessary warm-up time, little on task impact during switching; Due to two transmitters and feeder line thereof, be in integrated connection by waveguide switch and antenna, be assembled into a complete body, comprise the water-cooling system of each transmitter, do not need manually to plug in handoff procedure, only need change by key switch the rotor turns that control signal just can control waveguide switch, realize the change of waveguide, complete the switching of transmitter.The switching rapid and convenient of transmitter.
Utilize the positional information of waveguide switch, deliver to corresponding transmitter, chain with the high pressure conditions of this transmitter, realize waveguide switch switch put in place after, can add high pressure; Conversely, with the high pressure conditions of transmitter, waveguide switch control signal is locked, waveguide switch action is not allowed at high pressure conditions, maintain corresponding transmitter always, waveguide switches and must carry out at low-pressure state, avoid waveguide switch to carry out under the state having microwave to export, guarantee the accurate correspondence of the safety of handoff procedure, operating state.
Accompanying drawing explanation
Fig. 1 is the structural representation of S-band MW class two-node cluster hot backup transmitter of the present invention;
Fig. 2 is the close-up schematic view of S-band MW class two-node cluster hot backup transmitter in Fig. 1.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
See also Fig. 1 and Fig. 2, S-band MW class two-node cluster hot backup transmitter of the present invention comprises two high-power transmitter A and B (being namely respectively transmitter 1 and transmitter 2 7), the waveguide switch 1 of four ports, microwave pad 2, antenna (scheming not look), some feeder lines 3.
Waveguide switch 1 is provided with two groups of ports, and often organizing port has the port of pair of opposing, and the port that four ports are relative and relative is between two forever obstructed.The output waveguide of transmitter A and B receives one group of port of waveguide switch 1 respectively, and another group port of waveguide switch 1 received by microwave pad 2 and feeder line 3, removes antenna by feeder line 3.
Waveguide switch 1 comprises stator 11 and rotor 12, and stator 11 is frameworks of waveguide switch 1, and four ports are arranged on stator 11, and rotor 12 controls to rotate the described antenna of control by the electrical micro-machine that waveguide switch 1 carries and selects one to connect in transmitter A and B.
The present invention's two identical transmitters (comprising respective water-cooling system, feeder line etc.), be connected with antenna by waveguide switch 1, the conversion of antenna and transmitter A, B microwave link is realized by the conversion of waveguide switch 1, when transmitter A connected by waveguide switch 1, radio frequency (RF) power is provided to export through antenna by transmitter A.When transmitter B connected by waveguide switch 1, RF power is provided to export through antenna by transmitter B.For the gating of corresponding transmitter, utilize the positional information of waveguide switch 1, the high pressure start-up command of transmitter A, B is locked, when transmitter A connected by waveguide switch 1, only have transmitter A to add high pressure; When transmitter B connected by waveguide switch 1, then can only add high pressure by transmitter B.For ensure waveguide switch 1 switch in safe and reliable state under carry out, the switching of setting waveguide switch 1 can only be carried out under two transmitters A, B are in low-pressure state, any one transmitter A, B are in high pressure conditions, all can lock the state of waveguide switch 1.
S-band MW class two-node cluster hot backup transmitter is when launching, and its control method is described below.The electrical micro-machine that rotor carries by waveguide switch controls to rotate, and change the path that transmitter is connected with antenna, rotor has two states, control antenna or connect with transmitter A, or connects with transmitter B.When antenna and transmitter A connect, waveguide switch can send a kind of positional information, can be chain with the transmitter A state that adds high pressure, and when connecting transmitter B, can send another group signal and the transmitter B state that adds high pressure chain; By program control instruction, can control the electrical micro-machine on waveguide switch respectively by transmitter A or transmitter B, make the controlled drive rotor turns of electrical micro-machine.When transmitter A controls waveguide switch, waveguide switch rotates, transmitter A is connected antenna, and when transmitter B controls waveguide switch, waveguide switch rotates backward, and again transmitter B is connected antenna, controls motor realize the switching of antenna to transmitter A or transmitter B microwave path by control software design, when transmitter A receives antenna, transmitter B receives microwave pad.Otherwise when transmitter B receives antenna, then transmitter A receives microwave pad; Control program has strict logic control, ensures the safety switched, and transmitter and waveguide switch position is accurate corresponding.When transmitter A receives antenna, what waveguide switch positional information added high pressure to transmitter A chainly opens, transmitter A can add high pressure, once transmitter A adds high pressure, the control of waveguide switch is just locked, all the time connect transmitter A, motor can not receive the control signal from transmitter B and turn to transmitter B.And when transmitter B receives antenna, what waveguide switch positional information added high pressure to transmitter B chainly opens, transmitter B can add high pressure, once transmitter B adds high pressure, the control of waveguide switch is just locked, all the time connect transmitter B, motor can not receive the control signal from transmitter A and turn to transmitter A.Now, to change transmitter, first can only remove the high pressure of the transmitter of the work of adding high pressure, disconnect waveguide control switch, then connect the waveguide control switch of auxiliary transmitter, control the electric machine rotation of waveguide switch, realize waveguide and switch, auxiliary transmitter is received antenna, then adds the high pressure of auxiliary transmitter.The transmitter of now originally serving as task becomes new auxiliary transmitter, no matter whether the transmitter of serving as task is in running order, auxiliary transmitter can add low pressure at any time and carry out preheating, can be preheated by auxiliary transmitter in advance, once the transmitter of work breaks down, auxiliary transmitter can switch at any time and enters operating state, achieves high-power transmitter Hot Spare.Under remote state, on the master station of radar, also can switch transmitter, first the state of a control of two transmitters is arranged on remote state, make the control of remote control procedure to transmitter effective, the logical AND control procedure of remote control procedure is identical with this control, can realize equally " not in the position, can not add high pressure; Once add high pressure, can not switch ", switching backup can only carry out at low-pressure state, and high pressure conditions is to waveguide switch locking position; This technology significantly improves the reliability of transmitter.
In sum, S-band MW class two-node cluster hot backup transmitter two transmitters used are identical, and each transmitter adopts solid-state amplifier to push away the scheme of klystron 4 amplifier, and microwave signal signal source sent here is amplified to the 1MW power level of needs.
Transmitter A or B all can adopt high-voltage solid-state to combine line style pulse modulator, is made up of high voltage source, filter circuit, charging circuit, discharge circuit (10 road discharge assembly), pulse transformer etc.; High voltage source adopts the high voltage source of power frequency 12 commutating phase, high voltage source divides third gear overlapped in series, every grade is 12 commutating phases, after inductance, capacitor filtering, 10 road discharge assembly chargings are given by charging transformer, charge switch, pulse forming network (PFN), discharge switch, negative peak circuit, antihunt circuit etc. are comprised in each discharge assembly, 10 road discharge switches discharge under control of the synchronization signal simultaneously, after pulse transformer boost, be fed to klystron 4, for klystron 4 work provides pulse energy.
The charge switch of pulse modulator 3 quick controllable silicon in serial connections are formed, and discharge switch is in series with 5 high frequency thristors, in each assembly of discharge switch one, and totally ten, 10 road PFN concentrate and charge, so charge switch is with regard to one; The width of modulating pulse is determined by PFN; The timing under the driving of synchronizing signal of charge switch and discharge switch, conducting in order, high direct voltage is converted to pulsewidth, voltage, the satisfactory high voltage pulse of electric current, for the work of klystron 4 amplifier provides condition and energy, and under the driving in solid-state excitation source, export satisfactory RF microwave power.
The RF microwave power that transmitter exports, through high-power circulator 5, feeder system to antenna (or load), for realizing the Hot Spare of two transmitters, share a feeder system and antenna (containing receiving system) again, after the high-power circulator 5 of the output of two transmitters, adopt the waveguide switch of four ports, two transmitters and feeder system (antenna) are coupled together, by the rotation of waveguide switch, realize the switching of transmitter; Four ports of waveguide switch are relative between two, transmitter A and transmitter B is received respectively with one group of relative port, another is organized relative port and receives feeder system and matched load respectively, when select the output of transmitter A through feeder line to antenna time, transmitter B receives matched load simultaneously, now transmitter B can only add low pressure preheating, can not add high pressure; When select the output of transmitter B through feeder line to antenna time, transmitter A receives matched load simultaneously, now becomes transmitter A and can only add low pressure preheating, can not add high pressure.
Waveguide switch carries electrical micro-machine, electrical micro-machine controlled rotation, carries out the switching of waveguide line.The control panel of two transmitters is provided with waveguide diverter switch, and two waveguide diverter switches should be in non-conducting state at ordinary times.When selecting transmitter A, press the waveguide diverter switch of transmitter A, transmitter A exports the electrical micro-machine of a control signal to waveguide switch, and control micro electric machine rotates, and transmitter A is received antenna.After switching completes and puts in place, waveguide switch sends a node signal to transmitter A, and represent that antenna is connected on transmitter A, transmitter A now can add high pressure after preheated, exports RF microwave power.After transmitter A adds high pressure, or the waveguide diverter switch of transmitter A is in on-state all the time and all can locks the motor control signal that transmitter A sends, and the control signal of transmitter B to motor is closed, thus ensures that transmitter A connected all the time by antenna.Now transmitter B is because can not get the position feedback of waveguide switch, and program locking transmitter B adds low pressure preheating only, can not add high pressure.If be switched to transmitter B, first transmitter A high pressure must be turned off, again the waveguide diverter switch on transmitter A is lifted, press the waveguide diverter switch on transmitter B afterwards, the control signal that transmitter B exports will deliver to the electrical micro-machine of waveguide switch, control micro electric machine rotates, and transmitter B is received antenna, and motor transfer process was no more than for 1 second.After switching completes and puts in place, waveguide switch sends a node signal to transmitter B, and represent that antenna is connected on transmitter B, transmitter B now can add high pressure after preheated, exports RF microwave power.Now, no matter after transmitter B adds high pressure, or the waveguide diverter switch of transmitter B is in on-state all the time, all can lock the motor control signal that transmitter B sends, and transmitter A will be closed the control signal of motor.Close high pressure from transmitter A and add that high pressure is the handoff procedure of backup to transmitter B, when transmitter B is preheated in advance, handoff procedure is the shortest, and front and back are less than 10 seconds.If now will switch back transmitter A, first must ensure that transmitter B is at non-high pressure conditions, then lift the waveguide diverter switch of transmitter B, then press the waveguide diverter switch of transmitter A, motor will complete by the switching of transmitter B to transmitter A within 1 second.
It is more than this control handoff procedure of transmitter, same under remote state, shake on control platform about on the control inerface of transmitter, not only the control inerface of transmitter is divided into transmitter A, transmitter B control inerface, control to be distinguished to the start of two transmitters to show, and in the control procedure of each transmitter, add " waveguide switching " control inerface, before adding high pressure, control must be carried out to waveguide switch to select, and receiving after corresponding waveguide switch switches the information put in place, just can add high pressure, chain identical with this control to transmitter control procedure and state.
Each S-band MW level klystron transmitter comprises: peripheral hardware power distributing cabinet, integrated machine cabinet, high voltage source unit one, high voltage source unit two, filter unit, charhing unit, modulator control unit, discharge cell one, discharge cell two be totally 9 racks, and water-cooling system, high-power pulse transformer, S-band high-power klystron 4 and focal line bag, S-band high-power circulator 5 etc.
Peripheral hardware power distributing cabinet comprises: the switching of distribution, synchronizing signal and remote signal switching etc.
Integrated machine cabinet comprises: the monitoring, klystron 4 filament supply, klystron 4 magnetic field power supply (the anti-magnetoelectricity source of three road forward magnetic field power supplies and a road), solid-state excitation etc. of single portion transmitter, wherein monitor extension set to be used for carrying out program control and state-detection to the switching on and shutting down of whole transmitter, and solid-state excitation is used for amplifying the S-band RF signal that complete machine is sent here, be fed to klystron 4 afterwards, excitation klystron 4 works.
High voltage source unit one comprises: soft-start module, soft start drives, high voltage control contactor, high pressure one grade of transformer, high pressure one grade of rectification circuit etc., wherein high voltage control contactor is controlled is switched on or switched off the high voltage source of transmitter and the connection of electrical network, play and switch on and off the effect of high voltage source distribution, soft start drives controlled when adding high pressure at every turn, the triggering level of lifting step by step soft-start module, the voltage delivering to high-tension transformer elementary is progressively improved, the high direct voltage after rectification is finally made progressively to promote, reduce the impact added high pressure instantaneously to electrical network and transmitter internal circuit.
High voltage source two comprises: the control contactor of high pressure second gear, transformer and rectification circuit etc., and the control contactor of high pressure third gear, transformer and rectification circuit etc., control contactor, transformer and rectification circuit etc.Control contactor controls high pressure second gear, third gear adds or disconnects, the high pressure two, the three-gear voltage that add, with high pressure one grade of overlapped in series after respective transformer transformation, rectification, send filter unit.
Filter unit comprises: filter inductance, filter capacitor, high voltage relief switch etc., high voltage direct current is after filter inductance, filter capacitor filtering, form stable high direct voltage, filter capacitor doubles as the storage capacitor of pulse modulator, once fault or maintenance, the cabinet door of filter unit can be opened, high voltage relief switch action, the energy storage of filter capacitor will be released by switch of releasing, until release completely, voltage on filter power supply will drop to zero, for maintenance, inspection provide safety guarantee.
Charge power supply comprises: trigger, De-Q trigger, charge switch, De-Q circuit, charging transformer etc.Trigger is under the triggering of synchronizing signal, and timing provides trigger impulse to charge switch, controls charge switch conducting, and the energy storage that timing is filter provides path through charge switch, charging transformer to the PFN charging of discharge cell; The level of PFN charging voltage sampled signal and setting compares by De-Q trigger, when the charging voltage of PFN reaches setting level, De-Q trigger produces triggering signal, drive De-Q circuit operation, energy storage in charging transformer turns back to filter capacitor by De-Q circuit immediately, stop to PFN charging, to improve the stability of PFN charging voltage.
Control unit comprises: modulator control extension set, power division extension set etc.Under the scheduling that control extensions is monitored at transmitter, the operating state of paired pulses modulator is monitored, and paired pulses modulator carries out switching on and shutting down control and protection; Power division forms primarily of ten diode arrays, its positive pole is in parallel, be connected with the charging transformer of charhing unit is secondary, its negative pole is corresponding of delivering in ten discharge assemblies respectively, its PFN is charged, the effect of power division is that charging circuit one is divided into ten, and the charged electrical of diode pair PFN is pressed with reverse isolation effect simultaneously.
Discharge cell one, discharge cell two, these two unit are identical, respectively comprise five discharge assemblies, and discharge assembly comprises PFN, discharge switch, circuits for triggering, negative peak circuit, antihunt circuit, cooling fan and switch etc. of releasing.Circuits for triggering are under the driving of charhing unit trigger, timing produces electric discharge triggering signal, drive discharge switch conducting, the electric energy that PFN fills just by the elementary electric discharge to high-power pulse transformer of the discharge switch of conducting, at the secondary high voltage pulse obtaining encouraging klystron 4 to work of pulse transformer; Antihunt circuit is used for providing path to PFN charging, negative peak circuit is used for eliminating PFN reverse charging of producing on PFN when mismatch or sparking are born in load, cooling fan is used for dispelling the heat to the controllable silicon of discharge switch, switch of releasing is used for releasing the energy storage of PFN electric capacity, when discharge cell door is opened, switch of releasing just conducting, electric charge remaining on the PFN that releases, for maintenance overhaul provides safe guarantee.
High-power pulse transformer comprises: pulse transformer, filament transformer, negative electrode fuel tank etc., be used for synthesizing the ten tunnel modulating pulses produced during ten road discharge cell electric discharges, and boost to klystron 4 and to work required magnitude of voltage, the output of filament transformer is connected to the filament of klystron 4, for klystron 4 preheating provides power supply.
Magnetic field line bag is divided into four tunnels, receives corresponding magnetic field power supply respectively, the focusing magnetic field that the magnetic field produced works needed for generation for institute's klystron 4.
Klystron 4: be operated in S-band, under the promotion of pulse modulator, S-band RF microwave signal radar system sent here is amplified to megawatt magnitude.
High-power circulator 5: be used for isolating the reflection of feeder system, improve the operating state of klystron 4, be operated in corresponding frequency range, the power that klystron 4 exports can be born.
Water-cooling system comprises: be the reliably working of transmitter, satisfactory water cooling measure is provided, the heat produced when being worked by transmitter is taken away by cooling water, dissipate through heat exchanger, water-cooling system provides 5 road cooling waters for transmitter altogether, cools respectively: magnetic field line bag, klystron 4 collector, klystron 4 body, klystron 4 output window, high-power circulator 5.
The present invention adopts electronic waveguide switch that two identical transmitters and radar antenna are linked to be an entirety, by controlling waveguide switch turns, switch the microwave signal link of two transmitters and antenna, realize replacing and the selection of transmitter, rationally solve a difficult problem for high-power radar transmitter complete machine Hot Spare, avoid cold standby mode and change spare part and the time be connected needed for waveguide, and again start shooting inevitable warm-up time, within the time compress that backup is switched to 10 seconds, overcome radar transmitter cold standby substitute mode inevitably to shut down when changing spare part, the problems such as Chief Signal Boatswain time interruption, its beneficial effect is:
Drastically increase the mission reliability of powerful vacuum pipe radar transmitter; Use the reliability of the radar of this invention to improve significantly, be especially applicable to the severe environmental conditions such as islands and reefs, high mountain to the requirement of radar high reliability.
Auxiliary transmitter switches flexible, and applicability is good.
Transmitter realizes Hot Spare, and switching time is short.While a transmitter adds high pressure work, the transmitter of backup can carry out preheating, when needs change to standby transmitter, only need turn off the transmitter high pressure of work, just antenna can be switched to standby transmitter, standby transmitter can be devoted oneself to work immediately, and the warm of standby transmitter completes before the handover, can save when cold standby transmitter is changed and delay the warm-up time of executing the task.
Within reaching switching time 10 seconds, while switching spare part, empty feelings can be realized uninterrupted.The fastest rotating speed of usual Surveillance Radar antenna is 6 revs/min, 10 seconds one turn, that is handoff procedure can complete in one turn, maximum loss one frame picture, and the basis for estimation that empty feelings disappear normally two frame pictures loss, so when standby transmitter is preheated in advance, backup switching can accomplish that sky feelings are uninterrupted.
The maintenance platform of standby transmitter or fault part and testboard.Due to two machines spare part each other, when transmitter A breaks down, when being switched to transmitter B, transmitter A just can be used as maintenance platform and testboard, just replacing spare part, trouble hunting and test can be carried out on transmitter A, until transmitter A recovers normal, and do not need other wiring, connect the unnecessary course of work such as waveguide.
Above content is detailed description made for the present invention in conjunction with specific embodiments, can not assert that the present invention specifically implements to be only limitted to these explanations.For those skilled in the art, without departing from the inventive concept of the premise, some simple replacements and change can also be made, all should be considered as belonging to the invention protection range that the present invention is determined by submitted to claims.

Claims (10)

1. a S-band MW class two-node cluster hot backup transmitter, is characterized in that: it comprises transmitter one, transmitter two, waveguide switch, microwave pad, antenna, feeder line; Described waveguide switch is provided with four ports, and four ports are that cross is arranged so that four ports are relative between two, and two relative ports communicate never; The output waveguide of two transmitters is received in be oppositely arranged two ports of described waveguide switch respectively, and described microwave pad and described feeder line are received in remaining two ports be oppositely arranged of described waveguide switch, remove described antenna by described feeder line; Described waveguide switch comprises stators and rotators, described stator is the framework of described waveguide switch, described four ports are arranged on said frame, the control of the electrical micro-machine that described rotor carries by described waveguide switch and rotating, described rotor controls described antenna and selects one to connect by rotating in two transmitters.
2. S-band MW class two-node cluster hot backup transmitter according to claim 1, is characterized in that: when transmitter one controls described waveguide switch, and described waveguide switch rotates, and transmitter one is connected antenna, and described microwave pad is received by transmitter two; When transmitter two controls described waveguide switch, described waveguide switch rotates backward, and again transmitter two is connected antenna, and described microwave pad is received by transmitter one.
3. S-band MW class two-node cluster hot backup transmitter according to claim 2, it is characterized in that: when antenna received by transmitter one, what waveguide switch positional information added high pressure to transmitter one chainly opens, transmitter one adds high pressure, once transmitter one adds high pressure, the control of waveguide switch is just locked, and connect transmitter one all the time, electrical micro-machine can not receive the control signal from transmitter two and turn to transmitter two; When antenna received by transmitter two, what waveguide switch positional information added high pressure to transmitter two chainly opens, transmitter two adds high pressure, once transmitter two adds high pressure, the control of waveguide switch is just locked, all the time connect transmitter two, electrical micro-machine can not receive the control signal from transmitter one and turn to transmitter one.
4. S-band MW class two-node cluster hot backup transmitter according to claim 3, it is characterized in that: when changing transmitter, first remove the add high pressure transmitter one of work or the high pressure of transmitter two, disconnect waveguide control switch, then connect the waveguide control switch of auxiliary transmitter two or transmitter one, control the electric machine rotation of waveguide switch, realize waveguide and switch, auxiliary transmitter two or transmitter one are received antenna, then adds the high pressure of auxiliary transmitter two or transmitter one.
5. S-band MW class two-node cluster hot backup transmitter according to claim 4, is characterized in that: under remote state, the master station of a radar switches two transmitters, the state of a control of two transmitters is arranged on remote state.
6. S-band MW class two-node cluster hot backup transmitter according to claim 1, is characterized in that: no matter whether one of them transmitter of serving as task is in running order, and another transmitting function adds low pressure at any time and carries out preheating as backup.
7. a control method for S-band MW class two-node cluster hot backup transmitter according to claim 1, is characterized in that: it comprises the following steps:
When transmitter one controls described waveguide switch, described waveguide switch rotates, and transmitter one is connected antenna, and described microwave pad received by transmitter two;
And when transmitter two controls described waveguide switch, described waveguide switch rotates backward, again transmitter two is connected antenna, described microwave pad received by transmitter one.
8. the control method of S-band MW class two-node cluster hot backup transmitter according to claim 7, it is characterized in that: when antenna received by transmitter one, what transmitter one added high pressure by the positional information leading switch chainly opens, transmitter one adds high pressure, once transmitter one adds high pressure, the control of waveguide switch is just locked, and connect transmitter one all the time, electrical micro-machine can not receive the control signal from transmitter two and turn to transmitter two; And when antenna received by transmitter two, what transmitter two added high pressure by the positional information leading switch chainly opens, transmitter two adds high pressure, once transmitter two adds high pressure, the control of waveguide switch is just locked, all the time connect transmitter two, electrical micro-machine can not receive the control signal from transmitter one and turn to transmitter one.
9. the control method of S-band MW class two-node cluster hot backup transmitter according to claim 8, it is characterized in that: when changing transmitter, first remove the add high pressure transmitter one of work or the high pressure of transmitter two, disconnect waveguide control switch, then the waveguide control switch of transmitter two or transmitter one is connected to control the electric machine rotation of waveguide switch, realize waveguide to switch, auxiliary transmitter two or transmitter one are received antenna, then adds the high pressure of auxiliary transmitter two or transmitter one.
10. the control method of S-band MW class two-node cluster hot backup transmitter according to claim 9, it is characterized in that: under remote state, the master station of a radar switches two transmitters, the state of a control of two transmitters is arranged on remote state.
CN201510373395.4A 2015-06-29 2015-06-29 S-band megawatt dual-unit hot standby transmitter and control method thereof Pending CN104954043A (en)

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