CN105245238A - 650MHz/150kW solid-state transmitter - Google Patents
650MHz/150kW solid-state transmitter Download PDFInfo
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- CN105245238A CN105245238A CN201510685657.0A CN201510685657A CN105245238A CN 105245238 A CN105245238 A CN 105245238A CN 201510685657 A CN201510685657 A CN 201510685657A CN 105245238 A CN105245238 A CN 105245238A
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Abstract
The invention discloses a 650MHz/150KW solid-state transmitter. The 650MHz/150KW solid-state transmitter includes an excitation power amplifier/monitoring cabinet, eight 25kW power amplifier cabinets, an output power synthesis/coupling device, a power distribution cabinet, a set of power supply system and a water cooling system; radio frequency excitation signals are inputted through a radio frequency input port and pass through a prefixed power amplifier switcher, so that eight paths of radio frequency signals can be outputted; and the eight paths of radio frequency signals enter the eight 25kW power amplifier cabinet and are outputted through the output power synthesis/coupling device. Compared with the prior art, and according to the 650MHz/150KW solid-state transmitter of the invention, advanced technologies, processes and devices are adopted, and the 650MHz/150KW solid-state transmitter is designed carefully and manufactured standardly, and therefore, the 650MHz/150KW solid-state transmitter has the advantages of safety, stability, reliability, long life and convenience in maintenance.
Description
Technical field
The present invention relates to a kind of transmitter, particularly relate to a kind of 650MHz/150kW solid state transmitter.
Background technology
High frequency power system is the important component part of the subcritical system High Intensity Proton Linac of Accelerator driven, and transmitter is as the key equipment of high frequency power system, and its performance is directly connected to the reliability of whole accelerator.Will reach 650MHz/150kW at present and possess safety, stable, reliable, long-life, the transmitter being convenient to maintenance feature is a technical barrier always.
Summary of the invention
Object of the present invention is just to provide one to solve the problem, and has safety, stable, reliable, long-life, and is convenient to the 650MHz/150kW solid state transmitter of maintenance feature.
To achieve these goals, the technical solution used in the present invention is: a kind of 650MHz/150kW solid state transmitter, comprises 1 excitation power amplifier/monitoring cabinet, eight 25kW power amplifier racks, a power output synthesis/coupler, a power distributing cabinet, a set of electric power system and water-cooling system, described excitation power amplifier/monitoring cabinet is by front-located power amplifier switch, front-located power amplifier A, front-located power amplifier B, a 1:4 distributor, four 2kW power amplifier modules, a 4:1 power combiner, output coupler, a 1:8 distributor, supervisory control system, power-supply system and water cooling plant composition, rf excitation signal is inputted by rf inputs mouth, front-located power amplifier A or front-located power amplifier B is entered after front-located power amplifier switch, 1:4 distributor is entered again after front-located power amplifier switch, be divided into four tunnel radiofrequency signals and promote four 2kw power amplifier modules respectively, exported again through 4:1 power combiner by four 2kw power amplifier modules, through output coupler and 1:8 distributor, export eight tunnel radiofrequency signals and enter eight 25kW power amplifier racks respectively, finally export from power output synthesis/coupler.
As preferably; described front-located power amplifier switch by input filter, input coupler, radio frequency protection switch, input diverter switch, front-located power amplifier A/ front-located power amplifier B, output switch, isolator and coupler form, described input filter, input coupler, radio frequency protection switch, input diverter switch, front-located power amplifier A/ front-located power amplifier B, output switch, isolator and coupler connected in series successively.
As preferably, described 2kW power amplifier module is made up of a 1:4 power divider, four 500W power amplifier modules, four output isolators, 4:1 power combiner, output couplers, four 500W power amplifier module inputs are connected with 1:4 power divider respectively, four 500W power amplifier module outputs are connected with isolator respectively, isolator output is connected with 4:1 power combiner input port, and 4:1 power combiner delivery outlet is connected with output coupler.
As preferably, the 4:1 power combiner in described excitation power amplifier/monitoring cabinet and 1:8 power divider, all adopt junction type mode coaxial line to realize, can bear 6KW power.
As preferably, described 25kW power amplifier rack is by input coupler, a 1:2 distributor, two 1:8 distributors, 16 2KW power amplifier modules, four 7KW4:1 synthesizers, a 25KW4:1 synthesizer, output coupler, monitoring unit, power-supply system and water cooling plant composition, first the pumping signal carrying out autoexcitation power amplifier/monitoring cabinet sends into input coupler through input port, then two-way radiofrequency signal is divided into through 1:2 power divider, be divided into 16 tunnel radiofrequency signals through two 1:8 power dividers again and send into 16 2kw power amplifier modules, 16 power amplifier modules synthesize four way RF power signals through four 7KW4:1 power combiners, export after output coupler after a 25KW4:1 power combiner again.
As preferably, described power output synthesis/coupler is made up of four 50kw2:1 synthesizers, two 100kw2:1 synthesizers, a 200kw2:1 synthesizer and coaxial line directional couplers, described four 50kw2:1 synthesizers, two 100kw2:1 synthesizers, a 200kw2:1 synthesizer and the cascades successively of coaxial line directional coupler.
As preferably, described power distributing cabinet is made up of a total input switch and nine output switchs and 10 cover voltages, current sampling unit and sampling display unit.
As preferably, described electric power system is made up of an excitation power amplifier/monitoring cabinet electric power system and eight 25kW power amplifier rack electric power systems, excitation power amplifier/monitoring cabinet electric power system is made up of eight 45V/56A power supplys, two 12V/4A power supplys and a sampling telecommunication circuit, and eight 25kW power amplifier rack electric power systems are made up of 25 45V/56A power supplys, two 12V/4A power supplys and a sampling telecommunication circuit.
As preferably, described water-cooling system is made up of pipeline, penstock, hydraulic pressure sensor, water swivel and cooled plate.The cooling fluid that outer liquid device for cooling flows out enters transmitter water inlet manifold, again by the distributive pipe of nine on water inlet manifold, be diverted to eight 25kW power amplifier racks and an excitation power amplifier/monitoring cabinet, after cooling fluid absorbs heat, converged on the total outlet pipe of transmitter by nine Heshui pipes again, flow out to outer liquid device for cooling by total outlet pipe, complete the once circulation of transmitter current, nine distributive pipes are separately installed with hydraulic pressure sensor, and hydraulic parameters send system.
As preferably, described supervisory control system is by encouraging power amplifier/monitoring cabinet monitoring unit, power distributing cabinet monitoring unit, eight 25Kw power amplifier Rack Monitoring Unit compositions, be responsible for excitation power amplifier/monitoring cabinet, power distributing cabinet, the centralized monitor management of eight 25Kw power amplifier racks and complete machine, also there is remote communication module, supervisory control system and each monitoring unit are undertaken being connected by CAN and communicate, described eight 25kW power amplifier racks have respective monitoring unit respectively, main working parameters and the operating state of being responsible for this rack are measured, and report supervisory control system, receive the control of supervisory control system simultaneously.
Compared with prior art, the invention has the advantages that:
A) modularized design, is convenient to large-scale production;
B) plug design, is convenient to installation, debugging, safeguards;
C) Redundancy Design, improves equipment task reliability;
D) EMC Design, reduces electromagnetic emission and electromagnetic susceptibility;
E) transmitter centralized monitor management;
F) safety Design, support personnel and device security;
G) topology layout is reasonable, handsome in appearance.
Accompanying drawing explanation
Fig. 1 is complete machine composition frame chart of the present invention;
Fig. 2 is 25KW power amplifier cabinet composition frame chart of the present invention;
Fig. 3 is excitation of the present invention power amplifier/monitoring cabinet composition frame chart;
Fig. 4 is 2kw power amplifier module composition frame chart of the present invention;
Fig. 5 is front-located power amplifier switch composition frame chart of the present invention.
Embodiment
The invention will be further described below.
Embodiment: see Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, a kind of 650MHz/150kW solid state transmitter, comprises an excitation power amplifier/monitoring cabinet, eight 25kW power amplifier racks, a power output synthesis/coupler, power distributing cabinet, a set of electric power system and a water-cooling system.Rf excitation signal from system inputs to excitation power amplifier/monitoring cabinet by rf inputs mouth, after amplifying, excitation power amplifier/monitoring cabinet exports eight tunnel radiofrequency signals, input 25kW power amplifier rack respectively, eight road 25kW power amplifier racks export and export about 180kW RF high power signal through synthesizer, then export load to through coupler and WR1500 rectangular waveguide.
Described excitation power amplifier/monitoring cabinet is made up of front-located power amplifier switch, front-located power amplifier A (or front-located power amplifier B), 1:4 distributor, four 2kW power amplifier modules, 4:1 power combiner, output coupler, 1:8 distributor, supervisory control system, power-supply system and water cooling plants.Rf excitation signal from system is inputted by rf inputs mouth, front-located power amplifier A (or front-located power amplifier B) is entered after front-located power amplifier switch, 1:4 distributor is entered again after front-located power amplifier switch, be divided into 4 tunnel radiofrequency signals and promote 4 2kw power amplifier modules respectively, 4 2kw power amplifier modules export again through 4:1 power combiner, described 4:1 power combiner, for junction type mode, realize with coaxial line, 6KW power can be born through output coupler and 1:8 distributor, export eight tunnel radiofrequency signals, described 1:8 power divider, for junction type mode, realize with coaxial line, 6KW power can be born.Supervisory control system is responsible for the centralized monitor management of this rack, power distributing cabinet, eight 25Kw power amplifier racks and complete machine, and telecommunication.Power-supply system provides power supply for power amplifier link, supervisory control system.The heat dissipation of power device derives by liquid cooling system, keeps the working temperature of excitation power amplifier/monitoring cabinet to stablize.
Described 25kW power amplifier rack is made up of input coupler, 1:2 distributor, two 1:8 distributors, 16 2KW power amplifier modules, four 7KW4:1 synthesizers, 25KW4:1 synthesizer, output coupler, monitoring unit, power-supply system and water cooling plants.First the pumping signal carrying out autoexcitation power amplifier/monitoring cabinet sends into input coupler through input port, is then divided into 2 tunnel radiofrequency signals through 1:2 power divider, then is divided into 16 tunnel radiofrequency signals through 2 1:8 power dividers and sends into 16 2kw power amplifier modules; 16 power amplifier modules synthesize 4 way RF power signals through 4 7KW4:1 power combiners, then export after output coupler after 1 25KW4:1 power combiner.Monitoring unit complete the control of this rack and main working parameters and operating state measurement, show and report.Power-supply system provides power supply for power amplifier link, monitoring unit.The heat dissipation of power device derives by liquid cooling system, keeps the working temperature of 25KW power amplifier rack to stablize.
Described power output synthesis/coupler is made up of four 50kw1:2 synthesizers, two 100kw1:2 synthesizers, a 200kw1:2 synthesizer and coaxial line directional couplers.Four 50kw1:2 synthesizers, two 100kw1:2 synthesizers, a 200kw1:2 synthesizer and the cascades successively of coaxial line directional coupler.
Described front-located power amplifier switch is made up of input filter, input coupler, radio frequency protection switch, input diverter switch, front-located power amplifier A (or front-located power amplifier B), output switch, isolator, coupler and monitoring unit.Input filter, input coupler, radio frequency protection switch, input diverter switch, front-located power amplifier A (or front-located power amplifier B), output switch, isolator and coupler are connected in series successively.Monitoring unit is communicated with excitation power amplifier/monitoring cabinet controller by CAN.
Described 2kW power amplifier module is made up of a 1:4 power divider, four 500W power amplifier modules, four output isolators, 4:1 power combiner, output coupler, temperature protection circuit, current sampling circuit and monitoring units.Four 500W power amplifier module inputs are connected with distributor respectively, and four 500W power amplifier module outputs are connected with isolator respectively, and isolator output is connected with synthesizer input port, and synthesizer delivery outlet is connected with output coupler.Temperature protection circuit, for the protection of 500W power amplifier module, avoids its working temperature too high.Current sampling circuit and monitoring unit are used for the sampling of the operating voltage of power amplifier module, operating current, cooled plate temperature and power output, and report rack control unit through CAN.
Described power distributing cabinet overlaps voltages, current sampling unit and sampling display unit by a total input switch and nine output switchs and 10 and forms.
Described electric power system is made up of an excitation power amplifier/monitoring cabinet electric power system and 8 25kW power amplifier rack electric power systems.Excitation power amplifier/monitoring cabinet electric power system is made up of 8 45V/56A power supplys, 2 12V/4A power supplys and a sampling telecommunication circuit.Wherein 45V power supply is that A/B front-located power amplifier and 16 400W power amplifier modules are powered, and adopts 7+1 redundancy current-sharing mode.45V power supply is by transmitter switch machine signal controlling, and high level is opened, and low level turns off.12V power supply is system monitoring power supply, adopts 1+1 redundancy current-sharing mode.The operating voltage of each power supply, operating current and malfunction all by sampling telecommunication circuit to supervisory control system transmission.8 25kW power amplifier rack electric power systems are made up of 25 45V/56A power supplys, 2 12V/4A power supplys and a sampling telecommunication circuit.Wherein 45V power supply is that 500W power amplifier module is powered, and for improving equipment operational reliability, adopts 22+3 redundancy current-sharing mode.12V power supply is monitoring unit power supply, adopts 1+1 redundancy current-sharing mode.
Described water-cooling system is made up of pipeline, penstock, hydraulic pressure sensor, water swivel and cooled plate.The cooling fluid that outer liquid device for cooling flows out enters transmitter water inlet manifold, then by the distributive pipe of 9 on water inlet manifold, is diverted to 8 25kW power amplifier racks and 1 excitation power amplifier/monitoring cabinet.After cooling fluid absorbs heat, then converged on the total outlet pipe of transmitter by 9 Heshui pipes, flow out to outer liquid device for cooling by total outlet pipe, complete the once circulation of transmitter current.9 distributive pipes are separately installed with hydraulic pressure sensor, and hydraulic parameters send controller for equipment cabinet.
Described supervisory control system by encouraging power amplifier/monitoring cabinet, power distributing cabinet, the monitoring unit of eight 25Kw power amplifier racks forms.Supervisory control system is responsible for the centralized monitor management encouraging power amplifier/monitoring cabinet, power distributing cabinet, eight 25Kw power amplifier racks and complete machine, and telecommunication.Eight 25kW power amplifier racks have respective monitoring unit respectively, and main working parameters and the operating state of being responsible for this rack are measured, and report supervisory control system, receive the control of supervisory control system simultaneously.Supervisory control system and each monitoring unit are undertaken being connected by CAN and communicate.
All solid state power amplifier selected by solid state transmitter of the present invention, adopts advanced technology, technique and device, well-designed, specification manufacture, to ensure that this transmitter has safety, stable, reliable, long-life, is convenient to the feature safeguarded.
Above exhaustive presentation is carried out to a kind of 650MHz/150kW solid state transmitter provided by the present invention, apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, to change of the present invention and improve will be possible, and design and the scope of accessory claim defined can not be exceeded, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a 650MHz/150kW solid state transmitter, is characterized in that: comprise 1 excitation power amplifier/monitoring cabinet, eight 25kW power amplifier racks, a power output synthesis/coupler, a power distributing cabinet, a set of electric power system and water-cooling system, described excitation power amplifier/monitoring cabinet is by front-located power amplifier switch, front-located power amplifier A, front-located power amplifier B, a 1:4 distributor, four 2kW power amplifier modules, a 4:1 power combiner, output coupler, a 1:8 distributor, supervisory control system, power-supply system and water cooling plant composition, rf excitation signal is inputted by rf inputs mouth, front-located power amplifier A or front-located power amplifier B is entered after front-located power amplifier switch, 1:4 distributor is entered again after front-located power amplifier switch, be divided into four tunnel radiofrequency signals and promote four 2kw power amplifier modules respectively, exported again through 4:1 power combiner by four 2kw power amplifier modules, through output coupler and 1:8 distributor, export eight tunnel radiofrequency signals and enter eight 25kW power amplifier racks respectively, finally export from power output synthesis/coupler.
2. a kind of 650MHz/150kW solid state transmitter according to claim 1; it is characterized in that: described front-located power amplifier switch by input filter, input coupler, radio frequency protection switch, input diverter switch, front-located power amplifier A/ front-located power amplifier B, output switch, isolator and coupler form, described input filter, input coupler, radio frequency protection switch, input diverter switch, front-located power amplifier A/ front-located power amplifier B, output switch, isolator and coupler connected in series successively.
3. a kind of 650MHz/150kW solid state transmitter according to claim 1, it is characterized in that: described 2kW power amplifier module is made up of a 1:4 power divider, four 500W power amplifier modules, four output isolators, 4:1 power combiner, output couplers, four 500W power amplifier module inputs are connected with 1:4 power divider respectively, four 500W power amplifier module outputs are connected with isolator respectively, isolator output is connected with 4:1 power combiner input port, and 4:1 power combiner delivery outlet is connected with output coupler.
4. a kind of 650MHz/150kW solid state transmitter according to claim 1, is characterized in that: the 4:1 power combiner in described excitation power amplifier/monitoring cabinet and 1:8 power divider, all adopts junction type mode coaxial line to realize, can bear 6KW power.
5. a kind of 650MHz/150kW solid state transmitter according to claim 1, it is characterized in that: described 25kW power amplifier rack is by input coupler, a 1:2 distributor, two 1:8 distributors, 16 2KW power amplifier modules, four 7KW4:1 synthesizers, a 25KW4:1 synthesizer, output coupler, monitoring unit, power-supply system and water cooling plant composition, first the pumping signal carrying out autoexcitation power amplifier/monitoring cabinet sends into input coupler through input port, then two-way radiofrequency signal is divided into through 1:2 power divider, be divided into 16 tunnel radiofrequency signals through two 1:8 power dividers again and send into 16 2kw power amplifier modules, 16 power amplifier modules synthesize four way RF power signals through four 7KW4:1 power combiners, export after output coupler after a 25KW4:1 power combiner again.
6. a kind of 650MHz/150kW solid state transmitter according to claim 1, it is characterized in that: described power output synthesis/coupler is made up of four 50kw2:1 synthesizers, two 100kw2:1 synthesizers, a 200kw2:1 synthesizer and coaxial line directional couplers, described four 50kw2:1 synthesizers, two 100kw2:1 synthesizers, a 200kw2:1 synthesizer and the cascades successively of coaxial line directional coupler.
7. a kind of 650MHz/150kW solid state transmitter according to claim 1, is characterized in that: described power distributing cabinet overlaps voltages, current sampling unit and sampling display unit by a total input switch and nine output switchs and 10 and forms.
8. a kind of 650MHz/150kW solid state transmitter according to claim 1, it is characterized in that: described electric power system is made up of an excitation power amplifier/monitoring cabinet electric power system and eight 25kW power amplifier rack electric power systems, excitation power amplifier/monitoring cabinet electric power system is made up of eight 45V/56A power supplys, two 12V/4A power supplys and a sampling telecommunication circuit, and eight 25kW power amplifier rack electric power systems are made up of 25 45V/56A power supplys, two 12V/4A power supplys and a sampling telecommunication circuit.
9. a kind of 650MHz/150kW solid state transmitter according to claim 1, is characterized in that: described water-cooling system is made up of pipeline, penstock, hydraulic pressure sensor, water swivel and cooled plate.The cooling fluid that outer liquid device for cooling flows out enters transmitter water inlet manifold, again by the distributive pipe of nine on water inlet manifold, be diverted to eight 25kW power amplifier racks and an excitation power amplifier/monitoring cabinet, after cooling fluid absorbs heat, converged on the total outlet pipe of transmitter by nine Heshui pipes again, flow out to outer liquid device for cooling by total outlet pipe, complete the once circulation of transmitter current, nine distributive pipes are separately installed with hydraulic pressure sensor, and hydraulic parameters send system.
10. a kind of 650MHz/150kW solid state transmitter according to claim 1, it is characterized in that: described supervisory control system is by encouraging power amplifier/monitoring cabinet monitoring unit, power distributing cabinet monitoring unit, eight 25Kw power amplifier Rack Monitoring Unit compositions, be responsible for excitation power amplifier/monitoring cabinet, power distributing cabinet, the centralized monitor management of eight 25Kw power amplifier racks and complete machine, also there is remote communication module, supervisory control system and each monitoring unit are undertaken being connected by CAN and communicate, described eight 25kW power amplifier racks have respective monitoring unit respectively, main working parameters and the operating state of being responsible for this rack are measured, and report supervisory control system, receive the control of supervisory control system simultaneously.
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| CN201510685657.0A CN105245238B (en) | 2015-10-21 | 2015-10-21 | A kind of 650MHz/150kW solid state transmitters |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106100651A (en) * | 2016-08-17 | 2016-11-09 | 北京北广科技股份有限公司 | A kind of very low frequency Liquid-cooled Solid-state Transmitter |
| CN109361410A (en) * | 2018-12-13 | 2019-02-19 | 贵州航天电子科技有限公司 | A kind of high power solid state transmitter circuitry |
| CN115185333A (en) * | 2022-07-12 | 2022-10-14 | 中国科学院近代物理研究所 | Preceding-stage uninterrupted failure redundancy structure of solid-state power source |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106100651A (en) * | 2016-08-17 | 2016-11-09 | 北京北广科技股份有限公司 | A kind of very low frequency Liquid-cooled Solid-state Transmitter |
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| CN109361410A (en) * | 2018-12-13 | 2019-02-19 | 贵州航天电子科技有限公司 | A kind of high power solid state transmitter circuitry |
| CN115185333A (en) * | 2022-07-12 | 2022-10-14 | 中国科学院近代物理研究所 | Preceding-stage uninterrupted failure redundancy structure of solid-state power source |
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| Publication number | Publication date |
|---|---|
| CN105245238B (en) | 2018-01-19 |
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