CN-121979021-A - Control system, controller and accelerator with optical port interlocking protection function

CN121979021ACN 121979021 ACN121979021 ACN 121979021ACN-121979021-A

Abstract

The invention provides a control system with an optical port interlocking protection function, a controller and an accelerator, wherein the control system with the optical port interlocking protection function comprises a controller, an actuator, at least one external interlocking system and an electromagnetic shielding shell, the controller and the actuator are arranged in the electromagnetic shielding shell, at least one optical interface is arranged on the controller, interlocking optical signals from the external interlocking system are received through optical fibers connected with the optical interfaces, the controller is used for outputting working enabling signals to a control end of the actuator according to the interlocking optical signals, and the actuator is used for controlling the working state of equipment according to the working enabling signals. According to the invention, the plurality of external interlocking systems are connected through the optical interface of the controller, so that the multi-system safety interlocking of the accelerator can be uniformly controlled, meanwhile, the safety interlocking information of the external safety interlocking systems is transmitted through the optical signal, the influence of the electromagnetic environment on the safety interlocking process is reduced, and the working stability and reliability of the equipment are improved.

Inventors

QIU WEIXIN
Ran Qiaoye
ZHU JINFU
DING HONGLI
YANG JIAYUE
ZHANG WEIQING

Assignees

深圳先进光源研究院

Dates

Publication Date: 20260505
Application Date: 20251224

Claims (10)

1. A control system with an optical port interlocking protection function is characterized by comprising a controller, an actuator, at least one external interlocking system and an electromagnetic shielding shell, wherein, The controller and the actuator are arranged inside the electromagnetic shielding shell, at least one optical interface is arranged on the controller, and an interlocking optical signal from an external interlocking system is received through optical fibers connected with the optical interfaces; the controller is connected with the actuator through an electric signal transmission line and is used for outputting a working enabling signal to a control end of the actuator according to the interlocking optical signal; The actuator is connected with the equipment and is used for controlling the working state of the equipment according to the working enabling signal.
2. The control system with optical port interlock protection as set forth in claim 1, wherein said controller further comprises an interlock circuit, wherein, The optical interface is positioned on the electromagnetic shielding shell of the controller, the outer side end of the optical interface is inserted with an optical fiber, the inner side end of the optical interface is connected with the interlocking circuit and is used for receiving an interlocking optical signal through the optical fiber when the optical fiber is inserted, converting the optical signal into a logic level signal and then outputting the logic level signal to the interlocking circuit; The interlock circuit is used for being connected with an actuator and outputting the operation enabling signal to the actuator when receiving the logic level signal.
3. The control system with the optical port interlocking protection function according to claim 2, further comprising an external control system, wherein the controller further comprises an interlocking state monitoring module, a detection end of the interlocking state monitoring module is connected with the interlocking circuit, the interlocking state monitoring module is connected with the external control system and is used for collecting and storing state signals in the interlocking circuit, and when the external control system sends out heartbeat signals, heartbeat feedback signals are output to the external control system according to the state signals.
4. The control system with the optical port interlocking protection function according to claim 3, wherein the controller comprises a first optical interface, the interlocking circuit comprises a multi-port interlocking logic gate, an amplifying unit, a level signal converting unit and a signal enabling unit, wherein a first input end of the multi-port interlocking logic gate is connected with a standard level voltage, a second input end of the multi-port interlocking logic gate is connected with an inner side end of the first optical interface, and an output end of the multi-port interlocking logic gate is connected with a control end of the amplifying unit; The signal output end of the amplifying unit is respectively connected with the level signal converting unit and the signal enabling unit, and the amplifying unit outputs intermediate signals to the level signal converting unit and the signal enabling unit according to the logic level signals output by the multi-terminal interlocking logic gate; The level signal conversion unit is connected with the interlocking state monitoring module and is used for outputting the state signal to the interlocking state monitoring module according to the intermediate signal; The signal enabling unit is connected with the actuator and is used for outputting the working enabling signal to the actuator according to the intermediate signal.
5. The control system with the optical port interlocking protection function according to claim 3, wherein the controller comprises at least one optical port, and the interlocking circuit comprises a multi-port interlocking logic gate, an amplifying unit, a level signal converting unit and a signal enabling unit, wherein the detection end of the multi-port interlocking logic gate is respectively connected with the inner side end of each optical port, and the output end of the multi-port interlocking logic gate is connected with the control end of the amplifying unit; The signal output end of the amplifying unit is respectively connected with the level signal converting unit and the signal enabling unit, and the amplifying unit outputs intermediate signals to the level signal converting unit and the signal enabling unit according to the logic level signals output by the multi-terminal interlocking logic gate; The level signal conversion unit is connected with the interlocking state monitoring module and is used for outputting the state signal to the interlocking state monitoring module according to the intermediate signal; The signal enabling unit is connected with the actuator and is used for outputting the working enabling signal to the actuator according to the intermediate signal.
6. The control system with the optical port interlocking protection function according to claim 4 or 5, wherein the amplifying unit comprises a first switching tube, a control end of the first switching tube is connected with an output end of the multi-port interlocking logic gate, a first end of the first switching tube is connected with an operating voltage and is connected with the level signal conversion unit and the signal enabling unit, and the other end of the first switching tube is grounded.
7. The control system with optical port interlock protection according to claim 5, wherein the multi-port interlock logic gate is a multi-port and gate or a multi-port or gate.
8. The control system with an optical port interlocking protection function according to claim 6, wherein the first switching tube is a triode, and the level signal conversion unit adopts an analog-to-digital converter.
9. A controller for a control system having an optical port interlock protection function according to any one of claims 1 to 8.
10. Accelerator, characterized in that it comprises at least one control system with optical port interlock protection according to any of claims 1-8.

Description

Control system, controller and accelerator with optical port interlocking protection function Technical Field The invention relates to the technical field of accelerator control, in particular to a control system with an optical port interlocking protection function, a controller and an accelerator. Background In the last two decades, with the improvement of the industrial technical level, the superconducting acceleration technology has been rapidly developed. Superconducting acceleration a superconducting accelerator that accelerates charged particles such as electrons or protons using a superconducting acceleration chamber. The superconducting accelerator is made superconducting by cooling a superconducting acceleration chamber formed of a superconducting material with a refrigerant such as liquid helium so that the resistance of the superconducting acceleration chamber becomes substantially zero, and the charged particles are efficiently accelerated without power loss. In order to realize stable acceleration of particles, in the field of accelerators, the stable and reliable operation of the structures of the devices inside and outside the cavity is required to be ensured, sudden safety events can be responded timely and rapidly, and safety accidents are avoided. In the prior art, safety interlocking schemes are generally designed for the internal equipment of the accelerator independently, and the reason is that the accelerator is integrally operated in a complex electromagnetic environment, and the existing interlocking optical signals generally adopt electrical signals, so that the electrical signals are easily interfered when the system is applied to the comprehensive safety interlocking detection of the accelerator equipment, thereby causing false triggering of the safety interlocking and affecting the integral operation of the accelerator. Accordingly, the prior art is still in need of improvement and development. Disclosure of Invention In view of the shortcomings of the prior art, the invention aims to provide a control system, a controller and an accelerator with an optical port interlocking protection function, so as to solve the problems that the existing accelerator is difficult to realize multi-module safety interlocking, and an electric signal is easy to be interfered during working, so that the safety interlocking is triggered by mistake. The technical scheme of the invention is as follows: In a first aspect, the invention provides a control system with an optical port interlocking protection function, which comprises a controller, an actuator, at least one external interlocking system and an electromagnetic shielding shell, wherein, The controller and the actuator are arranged inside the electromagnetic shielding shell, at least one optical interface is arranged on the controller, and an interlocking optical signal from an external interlocking system is received through optical fibers connected with the optical interfaces; the controller is connected with the actuator through an electric signal transmission line and is used for outputting a working enabling signal to a control end of the actuator according to the interlocking optical signal; The actuator is connected with the equipment and is used for controlling the working state of the equipment according to the working enabling signal. In a further arrangement of the invention, the controller further comprises an interlock circuit, wherein, The optical interface is positioned on the electromagnetic shielding shell of the controller, the outer side end of the optical interface is inserted with an optical fiber, the inner side end of the optical interface is connected with the interlocking circuit and is used for receiving an interlocking optical signal through the optical fiber when the optical fiber is inserted, converting the optical signal into a logic level signal and then outputting the logic level signal to the interlocking circuit; The interlock circuit is used for being connected with an actuator and outputting the operation enabling signal to the actuator when receiving the logic level signal. The invention further provides an external control system, the controller also comprises an interlocking state monitoring module, the detection end of the interlocking state monitoring module is connected with the interlocking circuit, the interlocking state monitoring module is connected with the external control system and is used for collecting and storing state signals in the interlocking circuit, and when the external control system sends out heartbeat signals, heartbeat feedback signals are output to the external control system according to the state signals. The invention further provides a controller, which comprises a first optical interface, wherein the interlocking circuit comprises a multi-terminal interlocking logic gate, an amplifying unit, a level signal converting unit and a signal enabling unit, wherein a first input end