CN108287519A - Logical construction and implementation method for proton therapy equipment safety interlocking - Google Patents
Logical construction and implementation method for proton therapy equipment safety interlocking Download PDFInfo
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- CN108287519A CN108287519A CN201810113845.XA CN201810113845A CN108287519A CN 108287519 A CN108287519 A CN 108287519A CN 201810113845 A CN201810113845 A CN 201810113845A CN 108287519 A CN108287519 A CN 108287519A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/052—Linking several PLC's
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/11—Plc I-O input output
- G05B2219/1103—Special, intelligent I-O processor, also plc can only access via processor
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- Automation & Control Theory (AREA)
- Programmable Controllers (AREA)
- Radiation-Therapy Devices (AREA)
Abstract
The present invention discloses a kind of logical construction and implementation method for proton therapy equipment safety interlocking, including rigid line structure and topological structure, and the rigid line structure includes with topological structure：First safety interlock system, the second safety interlock system, the first therapeutic room, the second therapeutic room；Wherein, each safety interlock system and therapeutic room's component part are：First safety interlock system includes host, PLC1, PLC2 and interchanger；Second safety interlock system includes interchanger, PLC1 and remote PLC 2；First therapeutic room includes interchanger, PLC and CompactRIO；Second therapeutic room includes interchanger, PLC and CompactRIO.The present invention builds entire safety interlock system using two ways, can quickly control safety interlocking subsystem, and play the role of detection device operating status, and two schemes parallel processing can meet the requirement of response time and play the role of monitoring.
Description
Technical field
The present invention relates to a kind of safety interlock system, more particularly to a kind of safety interlocking logic for focusing on emphasizing proton therapeutic
Structure, specifically a kind of logical construction and implementation method for proton therapy equipment safety interlocking.
Background technology
Safety interlock system is component part important in proton therapeutic appts control system, the safety of proton therapeutic appts
Interlock system includes security system and interlock system, and the gear of protection system and troubleshooting is set up between subsystems
System is prevented and is avoided risk, ensures each safety interlocking subsystem of proton therapy equipment (such as RF systems, vacuum system to the greatest extent
System, ion source system etc.) relay protective scheme relationship, determine safety interlock system reply failure risk relay protective scheme, uniformly carry
For the safeguard protection of the person, device and environment.
The safety interlocking of proton therapy equipment can be built with programmable logic controller (PLC) PLC, can also be patrolled with programmable
Device (PLD) to be collected to realize, different implementation methods has respective advantage and disadvantage, such as：(1) programmable logic device (PLD) does not have
There is security functionality, needs to make redundant system, and programmable logic controller (PLC) PLC has special security module, without making
Redundant system；(2) programmable logic device (PLD) development cycle is long, needs custom-made circuit board, and Programmable logical controller
Device (PLC) is unified standard, is not necessarily to custom-made；(3) while programmable logic device (PLD) reaction time is up to ns amounts
Grade, and response time determination, and programmable logic controller (PLC) (PLC) reaction time is us magnitudes, the response time is uncertain, is
Making up the PLC response times does not know this disadvantage, and using the CompactRIO modules of NI companies, interior band FPGA processing can be fast
Speed response needs the event of emergent management.By to researching and developing time, the comprehensive assessments such as cost, reaction time and security performance, matter
The safety interlock system of sub- therapeutic equipment is using programmable logic controller (PLC) (PLC) and to realize.
Invention content
The purpose of the present invention is to provide a kind of based on programmable logic controller (PLC) (PLC) and CompactRIO for matter
The safety interlocking logical construction of sub- therapeutic equipment, entire safety interlock system is built using two ways, the first is real-time
Rigid line structure, can quickly control safety interlocking subsystem；It is for second the topological structure of network, plays detection device operation shape
The effect of state, two schemes parallel processing can meet the requirement of response time and play the role of monitoring.
The purpose of the present invention can be achieved through the following technical solutions：
For the logical construction of proton therapy equipment safety interlocking, including rigid line structure and topological structure, which is characterized in that
The rigid line structure includes with topological structure：First safety interlock system, the second safety interlock system, the first therapeutic room,
Two therapeutic rooms；Wherein, each safety interlock system and therapeutic room's component part are：
First safety interlock system includes host, PLC1, PLC2 and interchanger；
Second safety interlock system includes interchanger, PLC1 and remote PLC 2；
First therapeutic room includes interchanger, PLC and CompactRIO；
Second therapeutic room includes interchanger, PLC and CompactRIO.
Wherein, in rigid line structure, the PLC1 of the first safety interlock system, the PLC1 of the second safety interlock system, first
The PLC and CompactRIO of therapeutic room, the PLC and CompactRIO of the second therapeutic room, the machine of being transmitted to is separately connected by optical fiber
Room；
In topological structure, host, PLC1, PLC2 of the first safety interlock system be connected to it includes interchanger；
The interchanger of second safety interlock system with it includes PLC1 connect, which connect with remote PLC 2；First therapeutic room
PLC and CompactRIO be respectively connected to it includes interchanger；The PLC and CompactRIO of second therapeutic room are respectively connected to
It includes interchanger；In above-mentioned first safety interlock system, the second safety interlock system, the first therapeutic room, the second therapeutic room
The interchanger separately included is connected to computer room by optical fiber.
There is the hard signal being directly connected between each safety interlock system and therapeutic room, includes photoelectricity in PLC
Conversion, safety interlock system and therapeutic room, which directly transmit, uses fiber optic communication.
First safety interlock system, the second safety interlock system, the first therapeutic room and the second therapeutic room form an annular
Network topology, there are two paths of signals in each system or therapeutic room.
In each safety interlock system either therapeutic room by PLC or CompactRIO, again or the Ethernet of host
Signal is converted into signal transmission through fiber by interchanger.
In the second safety interlock system, collected point is turned by interface module and bus adapter in remote PLC 2
It changes fiber-optic signal into, then is transferred to the PLC1 of the second safety interlock system, PLC1 handles collected signal, notes simultaneously
The agreement that meaning remote PLC 2 is transmitted to the second safety interlock system is using Profibus agreements, to meet safe class
SIL3。
PLC include the power module of dual redundant, the CPU of safety, safety I/O module, be responsible for sub-system safety
Interlocking, can in real time monitoring subsystem operating status, PLC access be digital hard signal.
CompactRIO is connected with indoor equipment is treated, plays Quick Acquisition signal and quick response function, include
Redundant power module, CPU, programmable logic device and the I/O module of safety.
Interchanger connects PLC, CompactRIO and host, and the signal of all subsystems is transmitted by optical fiber
Into interchanger, interchanger is connected with host by Industrial Ethernet, and each safety interlocking can be monitored by host interface
System operation situation, and check safety interlocking daily record.
The implementation method of the logical construction is：Each system is required for carrying out data interaction with adjacent system, and data are handed over
There are two types of mutual modes, and one is hard signals, and one is network, two ways is judged by priority, and high priority uses
Hard-wire transfer, low priority then uses network transmission, while the radical of hardware is limited, and relatively urgent signal can just use hard
Line connects.
If the second safety interlock system has sent the signal of highest priority by rigid line to the first safety interlock system, the
After the PLC2 of one safety interlock system receives this signal, all subordinate's equipment is closed, and by interchanger to host report
State at this time；When the second safety interlock system sends hard signal to the first safety interlock system, the second safety connection
Lock system equally can send signal by network topology to host, tell the shape residing for current second safety interlock system of host
Whether state, host go the operation of the first safety interlock system of detection wrong, if wrong in master by the logic judgment of itself
It can report an error on machine interface, while issue false command, if inerrancy, not execute any operation；
If the first therapeutic room sends the signal of low priority, low priority by network topology to the second safety interlock system
Signal be usually quantity of state or controlled quentity controlled variable, be comparatively not belonging to urgency signal, the second safety interlock system receives this signal
Corresponding operation is executed according to logic later, and the state after execution is transferred to host by network topology, in the first treatment
While signal is transmitted in room to the second safety interlock system, signal also can be transmitted by network topology to host in the first therapeutic room,
Whether host receives the result that signal progress logic judgment goes the second safety interlock system of verification to execute correct.If it is wrong
It can report an error on host interface, while can also assign false command to the second safety interlock system, if without mistake, not execute and appoint
What is operated.
Compared with prior art, the present invention has the advantage that：
1, programmable logic controller (PLC) (PLC) of the invention and CompactRIO repeat programming code, convenient to program
Optimization and upgrading, it is convenient to carry out upgrading with to product.
2, programmable logic controller (PLC) (PLC) of the invention and CompactRIO have safety, and omission system is made superfluous
Remaining, save time and financial resources.
3, the program of programmable logic controller (PLC) (PLC) of the invention and CompactRIO use graphic programming, convenient
Personnel check, while being conducive to the maintenance of system.
4, in the present invention, control cables are used between the subsystem fault of safety interlocking, use optical fiber in a transmission path
Communication, shortens transmission time, can quickly judge the operating status of safety interlocking subsystem.
5, network ring topology of the invention, includes network and optical fiber interface, by network, optical fiber and installation with
The main-machine communication of central control room, host can monitor the operating status and fault log information of safety interlocking subsystem at any time, just
In operator's monitoring and query analysis.
6, the present invention effectively improves system power supply using the dual redundant power supply for including in safety PLC and CompactRIO
Network communication, fiber optic communication reliability.
Description of the drawings
In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the drawings.
Fig. 1 is the hard wire logic structural schematic diagram of the proton therapy equipment safety interlocking of the present invention；
Fig. 2 is the cellular logic structural schematic diagram of the proton therapy equipment safety interlocking of the present invention.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
It is only a part of the embodiment of the present invention to apply example, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
All other embodiment that logical technical staff is obtained without creative efforts belongs to what the present invention protected
Range.
For the logical construction of proton therapy equipment safety interlocking, include the topological structure of real-time rigid line structure, network；
As shown in Figs. 1-2, above-mentioned rigid line structure and topological structure include following part：First safety interlock system, the second safety interlocking
System, the first therapeutic room, the second therapeutic room；
Wherein, all component part of each safety interlock system and therapeutic room is：(1) first safety interlock system 1 wraps
Include host, PLC1, PLC2 and interchanger；(2) second safety interlock systems 2 include interchanger, PLC1 and remote PLC 2；(3)
One therapeutic room 11 includes interchanger, PLC and CompactRIO；(4) second therapeutic rooms 12 include interchanger, PLC and
CompactRIO。
Wherein, as shown in Figure 1, in rigid line structure, the PLC1 of the first safety interlock system 1, the second safety interlock system 2
PLC1, the PLC and CompactRIO of the first therapeutic room 11, the second therapeutic room 12 PLC and CompactRIO, pass through optical fiber point
Computer room Lian Jie be transmitted to；
As shown in Fig. 2, in topological structure, host, PLC1, PLC2 of the first safety interlock system 1 are connected to its packet
The interchanger contained；The interchanger of second safety interlock system 2 with it includes PLC1 connect, which connect with remote PLC 2；
The PLC and CompactRIO of first therapeutic room 11 be respectively connected to it includes interchanger；The PLC of second therapeutic room 12 and
CompactRIO be respectively connected to it includes interchanger；Above-mentioned first safety interlock system 1, the second safety interlock system 2,
The interchanger separately included in one therapeutic room 11, the second therapeutic room 12 is connected to computer room by optical fiber；
The transmission path of hardware：There is the hard signal being directly connected between each safety interlock system and therapeutic room,
Include opto-electronic conversion inside PLC module, thus system and therapeutic room directly transmit use fiber optic communication, each system or
Each therapeutic room is mutually remote with a distance from, if directly transmitted using hard signal, has decaying, and fiber-optic signal is stablized, rate
Soon, decay small.
The transmission path of fiber optic network：First safety interlock system 1, the second safety interlock system 2,11 and of the first therapeutic room
Second therapeutic room 12 forms an annular network topology, and there are two paths of signals in each system or therapeutic room, to prevent all the way
Optical fiber is disconnected, and host is by the way that in addition local device can be accessed in fiber path all the way.Simultaneously and due to each system or often
A therapeutic room's phase separation enhances jamproof ability, Industrial Ethernet is converted into fiber-optic signal to be transmitted again from remote.In each peace
Full interlock system is either required for that either CompactRIO is again or host Industry ethernet signal passes through by PLC in therapeutic room
Interchanger is converted into signal transmission through fiber.
In the second safety interlock system 2, since entire control area is long, points are more, so a plug-in remote I/O,
Collected point is converted into fiber-optic signal by interface module and bus adapter in remote PLC 2, then is transferred to the second safety
The PLC1 of interlock system is handled collected signal in PLC1, while paying attention to remote PLC 2 to the second safety interlocking system
The agreement transmitted unite using Profibus agreements, to meet Safety Integrity Level SIL 3.
The component that the present invention includes：
--- security functionality PLC includes power module, the safety of dual redundant in the framework of entire PLC
CPU, safety I/O module, be responsible for sub-system safety interlocking, can in real time monitoring subsystem operating status, PLC access
Be digital hard signal.
--- the CompactRIO of security functionality is connected with indoor equipment is treated, and plays Quick Acquisition signal and soon
Fast response function, includes redundant power module, CPU, programmable logic device (FPGA) and safety I/O module.
--- interchanger can connect security functionality PLC, the CompactRIO of security functionality and host,
The signal of all subsystems is transferred to by optical fiber in interchanger, and interchanger is connected with host by Industrial Ethernet, and master is passed through
Machine interface can monitor each safety interlocking subsystem operation conditions, and check safety interlocking daily record.
Further, in order to adapt to the bad electromagnetic and radiation environment of proton therapeutic environment, the programmable logic control
Device (PLC) processed and CompactRIO have the ability of anti-electromagnetic-radiation.
Further, in order to meet the design requirement of proton therapy equipment safety, the programmable logic controller (PLC)
(PLC) and CompactRIO has security functions, and wiring meets Safety Integrity Level SIL 3.
Further, in order to meet the time response of proton therapeutic, the failure system between safety interlocking subsystem uses
Control cables use optical fiber to transmit in a transmission path.
Further, it in order to meet the monitoring effect of proton therapy equipment, is used between each safety interlocking subsystem
The network topology structure of annular, ensures the unimpeded of transmission path.
Further, in the safety interlock system in order to meet proton therapy equipment hardware device power good, it is described
Power module use dual redundant structure, be made of alternating current and standby power supply module.
Each system is required for carrying out data interaction with adjacent system, and there are two types of the modes of data interaction, and one is hard
Line signal, one is network, two ways is judged by priority, and high priority uses hard-wire transfer, low priority then to adopt
With network transmission, while the radical of hardware is limited, and relatively urgent signal can just use rigid line to connect, if the second safety interlocking
System 2 has sent the signal of highest priority by rigid line to the first safety interlock system 1, the first safety interlock system 1
After PLC2 receives this signal, all subordinate's equipment, and the state by interchanger to host report at this time are closed；Second
When safety interlock system 2 sends hard signal to the first safety interlock system 1, the second safety interlock system 2 can equally lead to
It crosses network topology and sends signal to host, tell host current second safety interlock system, 2 state in which, host passes through itself
Logic judgment, go detection the first safety interlock system 1 operation it is whether wrong, if wrong can report on host interface
Mistake, while false command is issued, if inerrancy, any operation is not executed.
If the first therapeutic room 11 sends the signal of low priority by network topology to the second safety interlock system 2, low
The signal of priority is usually quantity of state or controlled quentity controlled variable, is comparatively not belonging to urgency signal, and the second safety interlock system 2 receives
Corresponding operation is executed according to logic after this signal, and the state after execution is transferred to host by network topology, the
While signal is transmitted to the second safety interlock system 2 in one therapeutic room 11, the first therapeutic room 11 also can be by network topology to master
Machine transmits signal, and whether host receives the result that signal progress logic judgment goes the second safety interlock system 2 of verification to execute correct.
If wrong can report an error on host interface, while also can assign false command to the second safety interlock system 2, if do not had
Mistake does not execute any operation.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably explain the present invention
Principle and practical application, to enable skilled artisan to be best understood by and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (10)
1. for the logical construction of proton therapy equipment safety interlocking, including rigid line structure and topological structure, which is characterized in that institute
Rigid line structure and the topological structure stated include：First safety interlock system, the second safety interlock system, the first therapeutic room, second
Therapeutic room；Wherein, each safety interlock system and therapeutic room's component part are：
First safety interlock system includes host, PLC1, PLC2 and interchanger；
Second safety interlock system includes interchanger, PLC1 and remote PLC 2；
First therapeutic room includes interchanger, PLC and CompactRIO；
Second therapeutic room includes interchanger, PLC and CompactRIO.
Wherein, in rigid line structure, the PLC1 of the first safety interlock system, the PLC1 of the second safety interlock system, the first treatment
The PLC and CompactRIO of room, the PLC and CompactRIO of the second therapeutic room, are separately connected by optical fiber and are transmitted to computer room；
In topological structure, host, PLC1, PLC2 of the first safety interlock system be connected to it includes interchanger；Second
The interchanger of safety interlock system with it includes PLC1 connect, which connect with remote PLC 2；The PLC of first therapeutic room and
CompactRIO be respectively connected to it includes interchanger；The PLC and CompactRIO of second therapeutic room are respectively connected to its packet
The interchanger contained；In above-mentioned first safety interlock system, the second safety interlock system, the first therapeutic room, the second therapeutic room respectively
Including interchanger computer room is connected to by optical fiber.
2. the logical construction according to claim 1 for proton therapy equipment safety interlocking, which is characterized in that each
There is the hard signal being directly connected between safety interlock system and therapeutic room, includes opto-electronic conversion, safety interlocking system in PLC
System and therapeutic room, which directly transmit, uses fiber optic communication.
3. the logical construction according to claim 1 for proton therapy equipment safety interlocking, which is characterized in that the first peace
Full interlock system, the second safety interlock system, the first therapeutic room and the second therapeutic room form an annular network topology, each
There are two paths of signals in system or therapeutic room.
4. the logical construction according to claim 1 for proton therapy equipment safety interlocking, which is characterized in that each
Safety interlock system either in therapeutic room by PLC or CompactRIO, again or the ethernet signal of host passes through interchanger
It is converted into signal transmission through fiber.
5. the logical construction according to claim 1 for proton therapy equipment safety interlocking, which is characterized in that second
In safety interlock system, collected point is converted into fiber-optic signal by interface module and bus adapter in remote PLC 2,
It is transferred to the PLC1 of the second safety interlock system again, PLC1 handles collected signal, while remote PLC 2 to second
The agreement of safety interlock system transmission is using Profibus agreements, to meet Safety Integrity Level SIL 3.
6. the logical construction according to claim 1 for proton therapy equipment safety interlocking, which is characterized in that described
PLC include the power module of dual redundant, the CPU of safety, safety I/O module, be responsible for sub-system safety interlocking, can
The operating status of real-time monitoring subsystem, PLC accesses are digital hard signals.
7. the logical construction according to claim 1 for proton therapy equipment safety interlocking, which is characterized in that described
CompactRIO is connected with indoor equipment is treated, plays Quick Acquisition signal and quick response function, include redundant power
Module, CPU, programmable logic device and the I/O module of safety.
8. the logical construction according to claim 1 for proton therapy equipment safety interlocking, which is characterized in that described
Interchanger connects PLC, CompactRIO and host, and the signal of all subsystems is transferred to interchanger by optical fiber
Interior, interchanger is connected with host by Industrial Ethernet, and each safety interlocking subsystem operation conditions is monitored by host interface,
And check safety interlocking daily record.
9. the logical construction according to claim 1 for proton therapy equipment safety interlocking, which is characterized in that the logic
The implementation method of structure is：
Each system is required for carrying out data interaction with adjacent system, and there are two types of the modes of data interaction, and one is rigid line letters
Number, one is network, two ways is judged by priority, and high priority uses hard-wire transfer, low priority then to use net
Network transmits, while the radical of hardware is limited, and relatively urgent signal can just use rigid line to connect.
10. the logical construction according to claim 9 for proton therapy equipment safety interlocking, which is characterized in that if the
Two safety interlock systems have sent the signal of highest priority, the first safety interlocking system by rigid line to the first safety interlock system
After the PLC2 of system receives this signal, all subordinate's equipment, and the state by interchanger to host report at this time are closed；
When second safety interlock system sends hard signal to the first safety interlock system, the second safety interlock system can equally lead to
It crosses network topology and sends signal to host, tell host current second safety interlock system state in which, host passes through itself
Logic judgment, go detection the first safety interlock system operation it is whether wrong, if wrong can report an error on host interface,
False command is issued simultaneously, if inerrancy, does not execute any operation；
If the first therapeutic room sends the signal of low priority, the letter of low priority by network topology to the second safety interlock system
Number be usually quantity of state or controlled quentity controlled variable, be comparatively not belonging to urgency signal, the second safety interlock system receives after this signal
Execute corresponding operation according to logic, and the state after execution be transferred to host by network topology, the first therapeutic room to
While second safety interlock system transmits signal, signal, host also can be transmitted by network topology to host in the first therapeutic room
Whether correct receive the result that signal progress logic judgment goes the second safety interlock system of verification to execute.If wrong in host
It can report an error on interface, while can also assign false command to the second safety interlock system, if without mistake, not execute any behaviour
Make.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810113845.XA CN108287519B (en) | 2018-02-05 | 2018-02-05 | Logical construction and implementation method for proton therapy equipment safety interlocking |
| PCT/CN2018/117785 WO2019148951A1 (en) | 2018-02-05 | 2018-11-28 | Logical structure and implementation method used for safety interlock of proton therapy equipment |
| JP2020543018A JP6969009B2 (en) | 2018-02-05 | 2018-11-28 | Logical structure and implementation method of safety interlock for proton beam therapy equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810113845.XA CN108287519B (en) | 2018-02-05 | 2018-02-05 | Logical construction and implementation method for proton therapy equipment safety interlocking |
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| CN108287519A true CN108287519A (en) | 2018-07-17 |
| CN108287519B CN108287519B (en) | 2019-08-23 |
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| CN201810113845.XA Active CN108287519B (en) | 2018-02-05 | 2018-02-05 | Logical construction and implementation method for proton therapy equipment safety interlocking |
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|---|---|
| JP (1) | JP6969009B2 (en) |
| CN (1) | CN108287519B (en) |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110096027A (en) * | 2019-04-19 | 2019-08-06 | 合肥中科离子医学技术装备有限公司 | A kind of personnel safety interlock system for the interlocking of transit subregion |
| WO2019148951A1 (en) * | 2018-02-05 | 2019-08-08 | 合肥中科离子医学技术装备有限公司 | Logical structure and implementation method used for safety interlock of proton therapy equipment |
| CN114954576A (en) * | 2022-05-23 | 2022-08-30 | 北京交大微联科技有限公司 | Realization structure of communication machine when communicating with radio block center in interlocking system |
| WO2023040309A1 (en) * | 2021-09-18 | 2023-03-23 | 散裂中子源科学中心 | Method for assisting in decision-making of interlocking protection system |
| CN117153445A (en) * | 2023-08-24 | 2023-12-01 | 哈尔滨工业大学 | Personal safety interlocking system with regional arrangement of accelerator groups and cross-regional cooperative associated operation of beam transport lines |
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| Publication number | Publication date |
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| WO2019148951A1 (en) | 2019-08-08 |
| JP2021508898A (en) | 2021-03-11 |
| JP6969009B2 (en) | 2021-11-24 |
| CN108287519B (en) | 2019-08-23 |
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