CN116526992A - High-power solid-state amplifier - Google Patents
High-power solid-state amplifier Download PDFInfo
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- CN116526992A CN116526992A CN202310646773.6A CN202310646773A CN116526992A CN 116526992 A CN116526992 A CN 116526992A CN 202310646773 A CN202310646773 A CN 202310646773A CN 116526992 A CN116526992 A CN 116526992A
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- 230000003321 amplification Effects 0.000 claims description 50
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 50
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Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
- H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
- H01P5/18—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
- H03F1/12—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of attenuating means
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/52—Circuit arrangements for protecting such amplifiers
- H03F1/526—Circuit arrangements for protecting such amplifiers protecting by using redundant amplifiers
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H7/00—Details of devices of the types covered by groups H05H9/00, H05H11/00, H05H13/00
- H05H7/02—Circuits or systems for supplying or feeding radio-frequency energy
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/02—Arrangements of circuit components or wiring on supporting structure
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20254—Cold plates transferring heat from heat source to coolant
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H7/00—Details of devices of the types covered by groups H05H9/00, H05H11/00, H05H13/00
- H05H7/02—Circuits or systems for supplying or feeding radio-frequency energy
- H05H2007/025—Radiofrequency systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention relates to the technical field of solid-state amplifiers, in particular to a high-power solid-state amplifier for a particle accelerator; the power amplifier comprises a main machine cabinet and three sub-machine cabinets which are in communication connection, wherein the main machine cabinet is provided with a preamplifier, a final-stage power amplifier plug-in unit, a power distribution and power synthesis network, a directional coupler, a water cooling module and a monitoring system, and the final-stage power amplifier plug-in unit on the sub-machine cabinet comprises an attenuation module, a phase shifting module, a power amplifier module, a circulator, a load, a four-in-one power synthesizer, a directional coupler, a monitoring board, a water cooling board and an external interface; the compact solid-state amplifier can stably and effectively meet the requirements of the particle accelerator, has compact overall structure and high power density, can stably work in a total reflection state, and is convenient to process due to the standardized design of the final-stage power amplifier plug-in unit, the power supply plug-in unit, the monitoring assembly and the like.
Description
Technical Field
The invention relates to the technical field of solid-state amplifiers, in particular to a high-power solid-state amplifier for a particle accelerator.
Background
The particle accelerator is a special electromagnetic and high-vacuum device which enables charged particles to be controlled by magnetic field force and electric field force to accelerate in a high vacuum field so as to achieve high energy, is modern equipment for artificially providing various high-energy particle beams or radial lines, is common in daily life, is used for cathode ray tubes, X-ray tubes and other facilities of televisions, a part of low-energy accelerators are used for nuclear science and nuclear engineering, the rest of low-energy accelerators are widely used for basic research from chemistry, physics and biology until radiochemistry, radiography, activation analysis, ion implantation, radiation therapy, isotope production, disinfection and sterilization, welding and smelting, radiation treatment of seeds and foods, national economy and other fields, and in recent years, the technology of a radio frequency power source such as LDMOS (laterally diffused metal oxide semiconductor) is gradually mature, the development cost is reduced year by year, compared with a vacuum tube amplifier, the working voltage of the solid power amplifier tube is low, the service life is long, the modularized design is easy to maintain, the design of a general power amplifier module is used for improving the running stability, the redundancy design of the general power amplifier module is used until the limited power amplifier fails, the whole power amplifier cannot be replaced by the whole power amplifier is replaced by the ideal power amplifier, and the whole power amplifier can be replaced by the power amplifier is replaced by the ideal power amplifier at any time. For example, the second-stage superconducting straight line part of the China spallation neutron source has 20 double-Spoke cavities in total, and each superconducting cavity is provided with radio frequency power by 1 set of 300kW solid-state amplifiers with output power.
At present, the particle accelerator has a large demand for a solid-state amplifier, and the output power of the used all-solid-state amplifier is mostly about several kilowatts to two hundred kilowatts, however, in the prior art, there are few solid-state power sources above three hundred kilowatts, so it is an urgent problem to be solved to provide a high-power solid-state amplifier to meet the use requirement of the particle accelerator, and based on this, we propose a high-power solid-state amplifier system and device for the particle accelerator to solve the shortfall of the prior art.
Disclosure of Invention
The present invention is directed to a high power solid state amplifier for a particle accelerator to solve the above-mentioned problems.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the high-power solid-state amplifier acts on a solid-state power source with the power of more than three hundred kilowatts and comprises a main cabinet and three sub-cabinets, wherein a pre-amplifier, a final-stage power amplification plug-in unit, a power distribution and power synthesis network, a directional coupler, a water cooling module and a monitoring system are arranged on the main cabinet, the final-stage power amplification plug-in unit on the main cabinet comprises a four-in-one power distributor, an attenuation, a phase shifting module, a power amplification module, a circulator and a load, a four-in-one power synthesizer, a directional coupler, a monitoring board, a water cooling board and an external interface, and the final-stage power amplification plug-in unit on the sub-cabinet comprises an attenuation, a phase shifting module, a power amplification module, a circulator and a load, a four-in-one power synthesizer, a directional coupler, a monitoring board, a water cooling board and an external interface.
The front-end amplifier on the main cabinet comprises a radio frequency switch control, a radio frequency switch, a front-end power amplifier module and a power amplifier module, wherein the power of the front-end power amplifier module is 150mW, and the power of the power amplifier module is 25W.
The power of the power amplification module in the final-stage power amplification plug-in unit is 2000W, and the final-stage power amplification plug-in unit, the power distribution and power synthesis network, the directional coupler, the water cooling module and the monitoring system are arranged on the sub-cabinet.
The power amplification links in the pre-amplifier are in a main and standby redundant configuration, two paths of radio frequency amplification links are realized through power synthesizers with isolation in the same direction, one path of radio frequency amplification links normally work, the other path of radio frequency amplification links cut off grid voltages of all power amplification, if one path of the normal work is abnormal, the grid voltages of the path of radio frequency amplification links are cut off, the grid voltages of the standby links are opened, and the standby radio frequency links are started.
The final-stage power amplification plug-in unit adopts a two-stage amplification chain mode, the attenuation and phase shift module, the 2000W power amplification module, the circulator and the load are all provided with four and one-to-one correspondence, external radio frequency signals are subjected to radio frequency sampling and then are sent out to the ART150FE power amplification tube for amplification through the attenuation and phase shift module, the amplified signals of the ART150FE power amplification tube are sent to a quarter-divided power distributor with isolation for power distribution, and the distributed signals are respectively sent to 4 ART2K0FE amplification modules for amplification, so that the power output by power synthesis through the circulator and the four-in-one power synthesizer with isolation reaches more than 7000W.
The monitoring board is used for monitoring the temperature and the current of the final-stage high-power module and the forward power and the reverse power of the plug-in unit in real time.
The water cooling plate is used for radiating heat source devices such as an ART150FE front-end power amplification tube, an ART2K0FE final-stage power amplification tube, a circulator and a load.
The last-stage power amplifier plug-in is provided with an input/output interface, and the input/output interface comprises a radio frequency input interface, a radio frequency output interface, an alternating current power supply interface, a state and fault signal interface and a water inlet/outlet interface.
The power supply plug-in is used for providing voltage required by operation for the final-stage power amplifier plug-in, the power supply plug-in comprises an energy storage capacitor plug-in and a power supply plug-in, and the configuration of the total power of the power supply is mainly configured according to the power consumption required by the operation of the final-stage power amplifier tube.
In the main cabinet and the three sub-cabinets, each cabinet is provided with one layer of energy storage capacitor plug-in units and three layers of power plug-in units, each layer is provided with three sets of power plug-in units, the output power of each single power plug-in unit is 5kW, the direct current output of the power supply adopts a parallel current sharing working mode, and the whole machine adopts multi-module hot backup working.
Compared with the prior art, the invention has the beneficial effects that:
the high-power solid-state amplifier can stably and effectively meet the requirements of the particle accelerator, has a compact overall structure and high power density, can stably work in a total reflection state, adopts standardized designs for a final-stage power amplifier plug-in unit, a power plug-in unit, a monitoring component and the like, is convenient to process, is applicable to the use of the particle accelerator through the provided high-power solid-state amplifier, can achieve the overall output power of more than 400kW, effectively solves the problem that the solid-state power source of more than three hundred kilowatts is extremely low in the prior art, and meets the use requirements of the particle accelerator on the high-power solid-state amplifier.
Drawings
Fig. 1 is an overall system block diagram of a high power solid state amplifier.
Fig. 2 is a functional block diagram of a preamplifier in a high-power solid-state amplifier.
Fig. 3 is a schematic block diagram of a final stage power amplifier package in a high power solid state amplifier.
Fig. 4 is a schematic diagram of the external dimension and structure of the final power amplifier plug-in the high-power solid-state amplifier.
Fig. 5 is an input power versus gain curve for a final stage power amplifier insert in a high power solid state amplifier.
Fig. 6 is a schematic diagram of an input/output power curve of a final stage power amplifier plug-in of a high power solid state amplifier.
Fig. 7 is a schematic diagram of a layout structure of a power supply plug-in a high power solid state amplifier.
Fig. 8 is a block diagram of the overall monitoring system architecture in a high power solid state amplifier.
Fig. 9 is a block diagram of a monitor combination architecture in a high power solid state amplifier.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-9, in an embodiment of the present invention, a high-power solid-state amplifier includes a main cabinet (cabinet 1) and three sub-cabinets (cabinet 2, cabinet 3, cabinet 4) which are in communication connection, where the main cabinet is provided with a preamplifier, a final-stage power amplifier plug-in unit, a power distribution and power synthesis network, a directional coupler, a water cooling module, and a monitoring system, the preamplifier on the main cabinet includes a radio-frequency switch control, a radio-frequency switch, a preamplifier module, and a power amplifier module, the power of the preamplifier module is 150mW, the power of the power amplifier module is 25W, the final-stage power amplifier plug-in unit on the main cabinet includes a four-power distributor, an attenuation, a phase shift module, a circulator and a load, a four-way power combiner, a directional coupler, a monitoring board, a water cooling board, and an external interface, the attenuation, the phase shift module is electrically connected with the circulator and the power distribution and power distribution network, the phase shift module is electrically connected with the power amplifier, the power combiner is electrically connected with the four-stage power distributor, the four-stage power amplifier and the power splitter is electrically connected with the four-way power splitter, the power combiner is connected with the four-way power combiner, the power combiner is connected with the power combiner, the four-way-split power combiner is connected with the power combiner, and the power combiner is connected with the power combiner, other parts are consistent with the main cabinet, the sizes of the main cabinet and the three sub-cabinets are 26 inches, the power of the final-stage power amplifier plug-in unit is 7kW, the voltage of the power supply plug-in unit is 65V, the output power of the main cabinet and the sub-cabinets is more than 100kW, and the total output power of the four cabinets is more than 400kW.
The pre-amplifier is characterized in that radio frequency signals sent by a low-level control system are amplified to 25W through two stages and are sent to a final-stage high-power module through a power divider, two radio frequency switches, a 150mW pre-amplifier module and a 25W power amplifier module are arranged, the radio frequency low-power signals sent by the system push one pre-amplifier module through a single-pole double-throw radio frequency switch at first to output 150mW power signals, and then push one 25W power amplifier module to output power signals, a schematic block diagram of the pre-amplifier is shown in fig. 2, in order to ensure safe and stable operation of the whole solid-state amplifier, a power amplifier link in the pre-amplifier is in a main-standby redundancy configuration, two paths of radio frequency amplifying links are realized through a power synthesizer with isolation in the same direction, one path of radio frequency amplifying links work normally, and the other path of amplifying links cut off grid voltages of each power amplifier, if one path of the normal operation is abnormal, the grid voltages of the paths are cut off, the standby link is opened, the standby radio frequency link is started, and the main-standby radio frequency link is designed.
The final stage power amplifier plug-in components adopt a two-stage amplifying chain mode, the attenuation and phase shift modules, the 2000W power amplifier module, the circulator and the load are all provided with four and one-to-one correspondence, the principle block diagram of the final stage power amplifier plug-in components is shown in figure 3, external radio frequency signals are subjected to radio frequency sampling and then sent out to the ART150FE power amplifier tube for amplification through the attenuation and phase shift modules, the amplified signals of the ART150FE power amplifier tube are sent to a split-four power distributor with isolation for power distribution, the distributed signals are respectively sent to 4 ART2K0FE amplifying modules for amplification, the power output by power synthesis through the circulator and the four-in-one power synthesizer with isolation reaches more than 7000W, the water cooling plate is used for radiating heat source devices such as the ART150FE front-mounted power amplifier tube, the ART2K0 final stage power amplifier tube, the circulator and the load, the water cooling plate adopts a radiating mode of an aluminum substrate embedded red copper water circulation pipeline, the monitoring board is used for monitoring the temperature and the current of the final-stage high-power module, the forward power and the reverse power of the plug-in unit and the like in real time, the final-stage power amplifier plug-in unit is provided with an input/output interface, the input/output interface comprises a radio frequency input interface, a radio frequency output interface, an alternating current power supply interface, a state and fault signal interface and a water inlet/outlet interface, all the interfaces adopt a full blind insertion mode, the installation and the maintenance are convenient, the radio frequency input of the final-stage power amplifier plug-in unit adopts a standard SMA interface and is fed from a front panel of the plug-in unit, the radio frequency output interface adopts a 7/8 inch coaxial feed pipe quick plug-in connector, a 65V power supply control interface adopts a 25-core quick plug-in type DL25T connector, the water inlet/outlet interface adopts a domestic MDC06P-1SMG022N type high-reliability self-sealing blind plug-in quick connector, the maintenance can be performed without draining water under the condition of the pipeline of the final-stage high-power module, the 65V power supply and control interface comprises a CAN bus, an address code and 65V direct current, the outline dimension structure of the final-stage power amplifier plug-in is shown in fig. 4, the input power and gain curve of the tested final-stage power amplifier plug-in is shown in fig. 5, the input power and output power curve is shown in fig. 6, and the gain is more than 47dB when the output power is 7 kW.
The power plug-in is used for providing 65V voltage required by operation for the final-stage power amplifier plug-in, the power plug-in comprises an energy storage capacitor plug-in and a power plug-in, the configuration of the total power of the power supply is mainly carried out according to the power consumption required by the operation of the final-stage power amplifier tube, the energy storage capacitor row is also required to be equipped for the pulse type solid-state amplifier, the external structural size of the energy storage capacitor plug-in is kept identical with that of the power plug-in, the improvement of the duty ratio of the whole machine is facilitated, the energy storage capacitor plug-in CAN be conveniently replaced by the power plug-in to improve the total power of the power supply when the whole machine needs to greatly improve the power duty ratio, the solid-state amplifier with 400kW output power is maintained stably, the duty ratio is 6%, each cabinet is provided with one layer of the energy storage capacitor plug-in and three layers of the power plug-in, the three sets of the power plug-in are placed for 26 inches of standard cabinets, the layout structure diagram is shown in figure 7, the direct current output of the single power plug-in is 5kW, the whole machine adopts a parallel connection working mode, the multi-module current equalizing operation is adopted when part of the power plug-in fails, the whole machine is ensured not to reduce the output power, the stable operation is maintained, the reliability of the whole machine is improved, the system is improved, the reliability is improved, the power plug-in and the power plug-in is conveniently connected with the power plug-in through the power plug-in 1 through the power supply plug-in, and the power plug-in 1, and the power plug-in station device is conveniently connected to the power station device to the power station 1.
The monitoring system is used for controlling, monitoring, protecting, interlocking, distributing PV quantity and other functions of a solid-state power source system, and is used for displaying the power of the whole power source, the states of all final-stage power amplifier plug-ins and power plug-ins and the control state of a switch machine in real time, the four cabinets are all configured with 1 monitoring combination based on EPICS, the architecture block diagram of the whole monitoring system is shown in fig. 8, the monitoring combination of the four cabinets is consistent in hardware and interface design, the monitoring combination of the cabinet 1 is a main monitoring system, the monitoring combination comprises the functions of completing the state monitoring of all front-stage power amplifier plug-ins, the final-stage power amplifier plug-ins and the power plug-ins, and simultaneously, the excitation of the whole power source, the control of the switch machine, the interlocking between the cabinets and the interlocking protection between the whole system and an accelerator as well as the control system of a low level, the monitoring system is based on the windows system architecture, the design is carried out by adopting WPF (Windows Presentation Foundation) technology, the distribution of the EPICS quantity is inconvenient, the monitoring combination of the FPGA adopts the Xilinx Zq-7000, the Ubuntu operation system is operated in the Zynq-7000, the ICS is driven by the equipment, and the EPilinC is shown in the architecture block diagram of the EPynC-9.
Example 1
In the monitoring combination taking a main cabinet as an example, a radio frequency power sampling interface is used for collecting 8 paths of power signals and mainly comprises a complete machine, an eight-in-one power synthesizer 1 and an eight-in-one power synthesizer 2, wherein the type of the interface is a standard SMA interface, the CAN1 interface adopts a 5-pin connecting plug and is connected to a front-end power amplification unit, the connector comprises 1 path of CAN communication, 1 path of radio frequency enabling signals, CAN2 and CAN3 adopt 3-pin connecting plugs which are respectively used for the communication of a power amplification plug, the CAN4 interface adopts a 5-pin connecting plug and is connected to a power plug kit, 1 path of CAN communication with the power plug in the connector, 1 path of on-off signals of a power supply are used for the communication with a data acquisition board, the data acquisition board is used for acquiring related data such as water pressure, water flow, water temperature, cabinet temperature and humidity, water leakage detection, a smoke sensor and the like, the interlocking output and input interface between cabinets are all electrical signals, the external interlocking interface comprises 4 paths of contact signals, the contact signal receiving and light emitting interface adopts 8-HFplug optical interfaces, and BR-BR 2/2421/Z4.
A high-power solid-state amplifier comprises the following steps:
s1: firstly, a radio frequency signal output by a low-level control system is sent to a preamplifier for amplification, and the signal output by the preamplifier is divided into 4 paths through a one-to-four power divider to respectively provide radio frequency input for 4 power amplifier cabinets (a main cabinet and three extension cabinets);
s2: the radio frequency signals input by the distributor are sequentially divided into 16 paths by a one-to-two power distributor and a one-to-eight power distributor through each power amplification cabinet, the signals are amplified by 16 paths of final-stage power amplification plug-ins, and the power synthesis of the 16 paths of final-stage plug-ins is realized by an eight-in-one power combiner and a two-in-one power combiner in sequence;
s3: after the power synthesis of the 16-path final-stage plug-in is realized through the two-in power combiner, the output signals of the 4 cabinets are subjected to power synthesis through the two-stage two-in power synthesizer of the cabinet stage, the output power after final synthesis is higher than 400kW, the power distribution and synthesis modes in the four cabinets are the same, the whole machine has no intermediate-stage driving unit, and the failure rate of the system is effectively reduced.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (10)
1. A high power solid state amplifier, characterized by: the high-power solid-state amplifier acts on a solid-state power source with the power of more than three hundred kilowatts and comprises a main cabinet and three sub-cabinets which are in communication connection, wherein a pre-amplifier, a final-stage power amplifier plug-in unit, a power distribution and power synthesis network, a directional coupler, a water cooling module and a monitoring system are arranged on the main cabinet, the final-stage power amplifier plug-in unit on the main cabinet comprises a quarter-power distributor, an attenuation, a phase shifting module, a power amplifier module, a circulator and a load, a four-in-one power synthesizer, a directional coupler, a monitoring board, a water cooling board and an external interface, and the final-stage power amplifier plug-in unit on the sub-cabinets comprises an attenuation, a phase shifting module, a power amplifier module, a circulator and a load, a four-in-one power synthesizer, a directional coupler, a monitoring board, a water cooling board and an external interface.
2. A high power solid state amplifier as claimed in claim 1, wherein: the front-end amplifier on the main cabinet comprises a radio frequency switch control, a radio frequency switch, a front-end power amplifier module and a power amplifier module, wherein the power of the front-end power amplifier module is 150mW, and the power of the power amplifier module is 25W.
3. A high power solid state amplifier as claimed in claim 1, wherein: the power of the power amplification module in the final-stage power amplification plug-in unit is 2000W, and the final-stage power amplification plug-in unit, the power distribution and power synthesis network, the directional coupler, the water cooling module and the monitoring system are arranged on the sub-cabinet.
4. The high power solid state amplifier of claim 1, wherein: the power amplification links in the pre-amplifier are in a main and standby redundant configuration, two paths of radio frequency amplification links are realized through power synthesizers with isolation in the same direction, one path of radio frequency amplification links normally work, the other path of radio frequency amplification links cut off grid voltages of all power amplification, if one path of the normal work is abnormal, the grid voltages of the path of radio frequency amplification links are cut off, the grid voltages of the standby links are opened, and the standby radio frequency links are started.
5. The high power solid state amplifier of claim 1, wherein: the final-stage power amplification plug-in unit adopts a two-stage amplification chain mode, the attenuation and phase shift module, the 2000W power amplification module, the circulator and the load are all provided with four and one-to-one correspondence, external radio frequency signals are subjected to radio frequency sampling and then are sent out to the ART150FE power amplification tube for amplification through the attenuation and phase shift module, the amplified signals of the ART150FE power amplification tube are sent to a quarter-divided power distributor with isolation for power distribution, and the distributed signals are respectively sent to 4 ART2K0FE amplification modules for amplification, so that the power output by power synthesis through the circulator and the four-in-one power synthesizer with isolation reaches more than 7000W.
6. A high power solid state amplifier as claimed in claim 1, wherein: the monitoring board is used for monitoring the temperature and the current of the final-stage high-power module and the forward power and the reverse power of the plug-in unit in real time.
7. The high power solid state amplifier of claim 1, wherein: the water cooling plate is used for radiating heat source devices such as an ART150FE front-end power amplification tube, an ART2K0FE final-stage power amplification tube, a circulator and a load.
8. The high power solid state amplifier of claim 1, wherein: the last-stage power amplifier plug-in is provided with an input/output interface, and the input/output interface comprises a radio frequency input interface, a radio frequency output interface, an alternating current power supply interface, a state and fault signal interface and a water inlet/outlet interface.
9. The high power solid state amplifier of claim 1, wherein: the power supply plug-in is used for providing voltage required by operation for the final-stage power amplifier plug-in, the power supply plug-in comprises an energy storage capacitor plug-in and a power supply plug-in, and the configuration of the total power of the power supply is mainly configured according to the power consumption required by the operation of the final-stage power amplifier tube.
10. The high power solid state amplifier of claim 1, wherein: in the main cabinet and the three sub-cabinets, each cabinet is provided with one layer of energy storage capacitor plug-in units and three layers of power plug-in units, each layer is provided with three sets of power plug-in units, the output power of each single power plug-in unit is 5kW, the direct current output of the power supply adopts a parallel current sharing working mode, and the whole machine adopts multi-module hot backup working.
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| CN202310646773.6A CN116526992A (en) | 2023-06-01 | 2023-06-01 | High-power solid-state amplifier |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117895910A (en) * | 2024-03-15 | 2024-04-16 | 四川九洲电器集团有限责任公司 | Low-noise multimode transmitter power amplifier module |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117895910A (en) * | 2024-03-15 | 2024-04-16 | 四川九洲电器集团有限责任公司 | Low-noise multimode transmitter power amplifier module |
| CN117895910B (en) * | 2024-03-15 | 2024-05-17 | 四川九洲电器集团有限责任公司 | Low-noise multimode transmitter power amplifier module |
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