CN-121979357-A - Monitoring system and device for solid-state power source

CN121979357ACN 121979357 ACN121979357 ACN 121979357ACN-121979357-A

Abstract

The invention relates to the technical field of accelerators and high-power microwaves, and provides a monitoring system and device for a solid-state power source and a particle accelerator comprising the system. The system comprises an interface small box and a main logic monitoring plug-in unit which adopts a quick plug-in design, and CAN be quickly plugged in and out to improve maintainability, wherein the monitoring system adopts a distributed architecture and is composed of a main cabinet and a slave cabinet monitoring system, the cost of spare parts is reduced, different scale requirements are met, the interface small box realizes stable signal transmission, a power supply and linkage control are ensured, the main logic monitoring plug-in unit comprises 2 CAN communication interfaces, the stable and efficient data transmission is ensured, the remote and local monitoring is realized by adopting a double-network port redundancy design, and three on-off control modes are provided, so that the operation convenience and the flexibility are improved.

Inventors

RONG LINYAN
ZHANG HUI
MU ZHENCHENG
WANG SHENG
LIU HUACHANG
QI XIN
WANG HEXIN
WAN MALIANG
XIE ZHEXIN
WANG BO

Assignees

中国科学院高能物理研究所
散裂中子源科学中心

Dates

Publication Date: 20260505
Application Date: 20260303

Claims (10)

1. A monitoring system for a solid state power source, comprising: the interface small box is used for converting various signals sent from the outside into electric signals convenient for the processing of the main logic monitoring plug-in, and converting the electric signals sent by the main logic monitoring plug-in into signal types required by an external system; the main logic monitoring plug-in unit adopts a quick plug-in design, comprises 2 electric connectors with 52 cores capable of being quickly plugged in a rear panel and a plurality of N-type radio frequency connectors capable of being blindly plugged in, can be quickly plugged in and out, and improves maintainability of a system, and comprises an FPGA main control board and a plug-in unit which are responsible for logic control, signal monitoring and communication.
2. The monitoring system for the solid-state power source according to claim 1, wherein the monitoring system is of a distributed architecture and comprises a main cabinet monitoring system and a slave cabinet monitoring system, wherein the main cabinet monitoring system is a main monitoring system and is used for completing state monitoring of all front-end power amplifier plug-ins, final-end power amplifier plug-ins and power supply plug-ins, is responsible for on-off control of a complete machine radio frequency and a power supply, interlocking between cabinets and interlocking protection between the whole system and an accelerator and a low-level control system, the slave cabinet monitoring system is used for completing state monitoring of the final-end power amplifier plug-ins, the power supply plug-ins, temperature, water flow and the like of the main cabinet, interlocking signals of the main cabinet are summarized and then are sent to the main cabinet for interlocking control, and the main cabinet monitoring system and the slave cabinet monitoring system are kept consistent in hardware and interface design, so that the types and cost of spare parts are reduced.
3. The system of claim 2, wherein the master control unit issues the on/off control signal to the slave cabinet by sending an on/off power signal from the master control unit 1 to the interface box 1 of the cabinet 1, the interface box 1 sending the on/off power signal to the interface box 2 of the cabinet 2, the interface box 2 sending the on/off power signal to the master control unit 2, and the master control unit 2 sending the on/off power signal to each of the power units of the cabinet 2.
4. The monitoring system for solid state power source according to claim 2, wherein the slave cabinet interlocking control process is that the master logic monitoring plug-in unit 2 of the slave cabinet 2 gathers the interlocking signal of the slave cabinet and sends the signal to the small interface box 2, the small interface box 2 sends the signal to the small interface box 1 of the cabinet 1, and the small interface box 1 sends the signal to the master logic monitoring plug-in unit 1 for interlocking and on-off control.
5. The monitoring system for a solid state power source of claim 1 wherein the main logic monitoring plug-in comprises 2 CAN communication interfaces, wherein the front stage power amplifier plug-in and the final stage power amplifier plug-in share one CAN communication interface, and the power plug-in and the temperature and flow acquisition unit share one CAN communication interface.
6. The monitoring system for a solid state power source of claim 1, wherein the primary logic monitoring plug-in employs a dual-portal redundancy design, wherein: the first network port is accessed to an accelerator control network, a Modbus TCP protocol is adopted, a cabinet monitoring signal is transmitted to the accelerator control network, and a monitoring variable is converted into epics PV quantity on a server for release; The second network port is connected to the internal switch of the solid-state power source and used for local display control.
7. The monitoring system for solid-state power source according to claim 1, wherein the main logic monitoring plug-in panel is provided with keys such as radio frequency on/off, power on/off, reset and the like and corresponding indicator lamps, and three on/off control operations are provided, namely remote operation through an accelerator control network, operation through a local industrial personal computer and hardware switching operation through the main logic plug-in.
8. A main logic monitoring plug-in unit for a solid-state power source is characterized by comprising a rear panel, guide rails, a positioning pin and a plurality of power supply modules, wherein the rear panel adopts 2 MSD52T quick-plug electrical connectors with 52 cores and a plurality of N-type radio frequency connectors capable of being inserted blindly to realize quick plug-in; the front panel is designed with 2 network ports, a radio frequency switch, a power switch, reset keys and corresponding indicator lamps.
9. The main logic monitoring plug-in for a solid state power source of claim 8, wherein the plug-in implements logic control, signal monitoring and communication functions through the FPGA host board and the plug-in.
10. A particle accelerator comprising a monitoring system for a solid state power source according to any of claims 1 to 9, characterized in that the particle accelerator employs said monitoring system for on-line monitoring, control, protection and external interlocking functions of the solid state power source.

Description

Monitoring system and device for solid-state power source Technical Field The invention relates to the technical field of accelerators and high-power microwaves, in particular to a monitoring system and a device for a solid-state power source, which are particularly suitable for on-line monitoring, control and protection of an all-solid-state amplifier power source system in a particle accelerator and a multi-cabinet distributed monitoring scene. Background In the technical fields of accelerators and high-power microwaves, solid-state power sources have become an important choice of particle accelerators as radio-frequency power sources by virtue of the advantages of the solid-state power sources. In recent years, with the sustainable development of radio frequency power transistor technology, the development cost of solid-state power sources is reduced year by year, and the wide application of the solid-state power sources in particle accelerators is further promoted. The particle accelerator has great demand for the solid-state amplifier, the output power of the all-solid-state amplifier can reach megawatt level, and the number of synthesized power amplifier modules is numerous. The monitoring system plays a vital role in ensuring the stable and reliable operation of the solid-state power source system. The system has the key functions of monitoring, controlling, protecting, externally interlocking and the like of a solid-state power source system, simultaneously displays the power of the whole power source, the states of each final-stage power amplifier plug-in unit and each power supply plug-in unit in real time, and realizes the operations of on-off control and the like. However, in practical applications, the number of signals connected to the solid-state power source monitoring system is huge and various, and the signals cover various types such as strong current, weak current, high frequency, optical signals, communication, and the like. In addition, the depth of the solid-state power source cabinet is usually about 1.4 meters, and the design brings great inconvenience to replacement and maintenance of the monitoring plug-in. Under traditional mode, change control plug-in components need lift the rack apron, pull out numerous cables behind the control plug-in components, just can extract it and change, and whole process is complex in operation not only, needs to shut down longer time moreover, seriously influences the normal operating efficiency of system, has increased fortune dimension cost and time cost. Therefore, there is an urgent need to solve the problems of the solid-state power source monitoring system in terms of maintainability and expansibility. Disclosure of Invention In order to solve the problems, the invention aims to provide a monitoring system and a device for a solid-state power source, which are particularly suitable for on-line monitoring, control, protection and multi-cabinet distributed monitoring scenes of an all-solid-state amplifier power source system in a particle accelerator. The technical scheme adopted by the invention is that the monitoring system for the solid-state power source comprises: the interface small box is used for converting various signals sent from the outside into electric signals convenient for the processing of the main logic monitoring plug-in, and converting the electric signals sent by the main logic monitoring plug-in into signal types required by an external system; the main logic monitoring plug-in unit adopts a quick plug-in design, comprises 2 electric connectors with 52 cores capable of being quickly plugged in a rear panel and a plurality of N-type radio frequency connectors capable of being blindly plugged in, can be quickly plugged in and out, and improves maintainability of a system, and comprises an FPGA main control board and a plug-in unit which are responsible for logic control, signal monitoring and communication. The monitoring system is of a distributed architecture and comprises a main cabinet monitoring system and a secondary cabinet monitoring system, wherein the main cabinet monitoring system is a main monitoring system and is used for completing state monitoring of all front-end power amplifier plug-ins, final-stage power amplifier plug-ins and power supply plug-ins, and is responsible for on-off control of complete machine radio frequency and power supply, interlocking protection among cabinets and interlocking protection among the whole system, an accelerator and a low-level control system, the secondary cabinet monitoring system is used for completing state monitoring of the final-stage power amplifier plug-ins, the power supply plug-ins, temperature, water flow and the like of the secondary cabinet, and the interlocking signals of the secondary cabinet are summarized and then fed into the main cabinet for interlocking control, and the main cabinet monitoring system and the secondary cabinet monitoring system are consisten