CN109472374A - The public unit of nuclear power plant intersects monitoring and management system and method - Google Patents
The public unit of nuclear power plant intersects monitoring and management system and method Download PDFInfo
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- CN109472374A CN109472374A CN201811284215.5A CN201811284215A CN109472374A CN 109472374 A CN109472374 A CN 109472374A CN 201811284215 A CN201811284215 A CN 201811284215A CN 109472374 A CN109472374 A CN 109472374A
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Abstract
The present invention provides a kind of public unit of nuclear power plant and intersects monitoring and management system and method, including at least two units, and the shared device with the controllable connection of two units, the control authority management module being connect respectively with two units and shared device, control authority management module is used to obtain the authorization requests of one of two units, inquire the running state information of shared device, according to running state information and authorization requests, the unit of application authorization is authorized, while unauthorized setting is carried out to other units；The licensing status of all units is sent to each unit, is monitored with the state to each unit；It is also used to receive authorized machine group command and operation control is carried out to shared device, while being latched unauthorized unit and the operation of shared device is controlled.The present invention improves the definition of nuclear power station operational management, safety, for multicomputer shared device, realizes the common monitoring of multicomputer, it is ensured that integrality of each unit to equipment monitor.
Description
Technical field
The present invention relates to nuclear power station unit station operational management skill fields, more particularly to one kind to be suitable for more monoblocks prisons
Depending on and control management model system, ensure that the management of public unit and going on smoothly for monitoring, it is proposed that a kind of nuclear power
The public unit of factory intersects monitoring and management system and method.
Background technique
Now with the introducing of nuclear power plant's DCS system, the digitlization of control system have become master-control room of nuclear power plant operation and
The main means of management certainly exist for the nuclear power plant that a two-shipper group or multicomputer are run and serve more lists
The mechanical, electrical system of first unit and other matched auxiliaring equipments.These public unit equipments and system service are in each unit, management
Monitoring and control authority with the public unit equipment of distribution to avoid the occurrence of two unit operators while obtaining public unit
The control authority of equipment causes equipment control hazard to become, and nuclear power station designs and operational management has to solve the problems, such as.
In the prior art, each unit has the control authority to public unit equipment, Ge Geji in prior art
Group has the permission manipulated at any time to the equipment, if do not link up between two units, it is likely that generation pair
The control instruction of public unit equipment generates conflict, the frequent movement of equipment is caused, to influence the operation of equipment or unit.
It especially under the special operating condition of unit, or needs when promptly being manipulated to equipment, the determination of control authority seems outstanding
It is important.If automatic blocking is not allocated and do not had to the permission of unit, there will be current device by other units
The possibility for operating control leads to the conflict in manipulation, influences the operational safety of nuclear power plant.It is right according to the mode of administrative authorization
The management of public unit there are problems that it is not intuitive, there are some column such as delay, indefinite, be not suitable for modern Application DCS
In the digitlization master control room of technology.
Summary of the invention
The present invention is directed to the safe operation risk problem in the presence of the prior art, and it is higher to provide a kind of safety, can
Multiple units are avoided to intersect monitoring and management system and side to the public unit of nuclear power plant that the equipment enjoys supervision authority simultaneously
Method.
The technical solution that the present invention is proposed with regard to above-mentioned technical problem is as follows: a kind of public unit of nuclear power plant intersect monitoring and
Management system, including at least two units, and the shared device with the controllable connection of two units, respectively with two institutes
The control authority management module that unit is connected with shared device is stated, the control authority management module includes: signal acquisition module,
It is separately connected each unit, for obtaining the authorization requests of one of two units；Judgment module is separately connected the signal
Module and shared device are obtained, is sent to for inquiring the running state information of the shared device, and by running state information
Management module；Management module is separately connected the signal acquisition module, judgment module and shared device, for according to the fortune
Row status information and authorization requests authorize the unit of application authorization, while carrying out unauthorized setting to other units；Institute
It states management module to be also used to for the licensing status of all units to be sent to each unit, with the state to each unit
It is monitored.
Wherein, the management module is also used to receive authorized machine group command and carries out operation control to the shared device,
Unauthorized unit is latched simultaneously to control the operation of shared device.
Wherein, each unit includes authorization module and operation module, and the authorization module connects the signal and obtains
Modulus block is used for the signal acquisition module application authorization requests, and shows the licensing status of all units；Operation module,
Connect the signal acquisition module, for after corresponding unit is authorized to, by the management module to the shared device into
Row operation control.
Wherein, each unit further includes display module, for showing the shared device operating status.
Wherein, each unit includes authorization module, the authorization module include respectively with the control authority pipe
The authorization requests unit and indicating unit of module connection are managed, the authorization requests unit is used for the control authority management module
Issue authorization requests；The indicating unit is used to show that the licensing status of all units, the licensing status to include having authorized shape
State and unauthorized state.
Wherein, the condition that distribution unit is authorized: authorization requests are received and unit is not used by；If one of unit
It is authorized to, then authorized unit has the monitoring and control authority of the public unit equipment, and uncommitted unit only has
Monitor permission.
Wherein, the control authority management module further includes priority judgment module, for idle in the shared device
And multiple units are when being unused, it is preferential according to the unit of system intialization if receiving multiple units is simultaneously emitted by authorization requests
Grade judges that the unit for selecting highest priority is authorized；The management module is also used to switching to highest priority unit
After authorization, control locking priority level controls the operation of shared device lower than the unit of highest priority.
On the other hand, the present invention provides a kind of public unit of nuclear power plant and intersects monitoring and managing method, including as follows
Step: S1, authorization module send authorization requests to control authority management module, and show the licensing status of all units；S2, it looks into
The running state information of the shared device is ask, and sends the running state information of shared device；S3, according to the operation state
Information and authorization requests authorize the unit of application authorization, while carrying out unauthorized setting to other units；And will own
The licensing status of unit is sent to each unit, is monitored with the state to each unit；
The step S1 further comprises: after corresponding unit is authorized to, carrying out operation control to the shared device；And
Show the shared device operating status；After step S3 further include: receive authorized machine group command to the shared device into
Row operation control, while being latched unauthorized unit and the operation of shared device is controlled.
Wherein: the condition that distribution unit is authorized: receiving authorization requests and unit is not used by；If one of unit
It is authorized to, then authorized unit has the monitoring and control authority of the public unit equipment, and uncommitted unit only has
Monitor permission.
It wherein, further include handling as follows: when in the shared device, idle and multiple units are unused, if receiving more
A unit is simultaneously emitted by authorization requests, according to the unit priority of system intialization, judges to select the unit of highest priority to carry out
Authorization；After switching to highest priority unit authorization, control locking priority level is lower than the unit of highest priority to public
The operation of equipment controls.
Technical solution provided in an embodiment of the present invention has the benefit that the technical program mainly passes through digitlization people
The way to manage at machine interface, being formed a set of includes empowerment management, the public unit monitoring method and system of rights management, it is ensured that
Each unit does not conflict to the operation and monitoring of shared device, it is ensured that runs going on smoothly for work.The technology of the present invention is abundant
Consider Human Engineering, nuclear power digitlization operation demand, requirement of the security legislation about monitoring and control.Establish a set of be applicable in
Just permission is allocated when first judging the idleness of equipment in the control and monitoring system of two-shipper group or the public unit of multicomputer,
Make that conflict will not be generated between unit, improves nuclear power plant's operation and management level, it is ensured that nuclear power plant's operational safety solves existing
The deficiency and limitation of technical solution, meanwhile, clear, specific operating right state can be presented to operation operator and refer to
Show, effectively avoid maloperation, meet nuclear power station operating standard technical requirements, improves the safety of nuclear power station operation.
After technical solution of the present invention, the control authority for effectively presenting current public unit equipment in time is asked
Topic, improves the definition and safety of nuclear power station operational management；The centralized management of authorization module is realized, unit management is convenient for
Personnel carry out it to concentrate authorization and cancel authorization, clearly can directly understand current grant situation；By to authorization one
, it can be achieved that control blocking function to other unit, technically completely avoids other units to this after unit management permission
The control function of equipment；For multicomputer shared device, the common monitoring of multicomputer is realized, it is ensured that each unit is to Supervision
Depending on integrality.
Detailed description of the invention
Fig. 1 is that the embodiment of the present invention one provides the public unit intersection monitoring of nuclear power plant and schematic diagram of management system structure.
Fig. 2 is the authentication management system structure chart of one or two of unit of the embodiment of the present invention.
Fig. 3 is that second embodiment of the present invention provides the public units of nuclear power plant to intersect monitoring and management method flow chart.
Fig. 4 is two A unit rights management flow chart of the embodiment of the present invention.
Fig. 5 is two B unit rights management flow chart of the embodiment of the present invention.
Fig. 6 is the public unit information display management flow chart of the embodiment of the present invention two.
Specific embodiment
In order to solve in the presence of the prior art brought by maloperation the problems such as safe operation risk, the present invention is directed to mention
Intersect monitoring and management system and method for a kind of public unit of nuclear power plant, core concept is: passing through a control authority
Management module, which can understand, intuitively indicates out the unit that currently can operate and control the public unit equipment, and to other machines
The control authority of group is latched, and is avoided multiple units while being enjoyed supervision authority to the equipment.And the public unit equipment
Status display can then be transmitted to each unit simultaneously, it is ensured that monitor the availability of information.Control authority management module is awarded
Current grant unit signal can be shown in authorization indicating unit after weighing function, and authorization；Authorize a unit control
It is latched the control authority of other units after permission processed, realizes the monitoring that all units can comprehensively to public unit information.And
And the equipment of cross-over control will guarantee the integrality of its control function, it is necessary to each unit can be carried out equipment operation and
The status display of equipment, and synchronization only one unit can obtain the operating right of equipment, after other units are blocked
It is only able to display the operating status of equipment.Obtain the equipment that control signal can be sent directly to cross-over control by the unit of control authority
Control of the middle realization to equipment, corresponding device status information then pass through network signal and are transmitted to each unit realization operator couple
The monitoring of equipment.To make the object, technical solutions and advantages of the present invention clearer, the present invention is implemented below in conjunction with attached drawing
Mode is described in further detail.
Embodiment one
The embodiment of the invention provides a kind of public units of nuclear power plant to intersect monitoring and management system, and attached drawing 1 is the present invention
The structural schematic diagram of the system, including: multiple units 100, and (Fig. 1 is shown with each unit in multiple units 100
Two units 101 and 102 are also possible to N number of unit in practical application) shared device 300 of controllable connection, respectively with it is more
The control authority management module 200 that each unit in a unit is connected with the execution unit in shared device 300, wherein controlling
Authority management module 200 includes: signal acquisition module 201, is separately connected each unit, for obtaining in N number of unit wherein
One of authorization requests；Also the authorization requests of N number of each unit of unit be can receive；Judgment module 202, is separately connected signal
Module 201 and shared device 300 are obtained, is sent out for inquiring the running state information of shared device 300, and by running state information
It send to management module 203；Management module 203 is separately connected signal acquisition module 201, judgment module 202 and shared device 300,
For information according to the operation state and authorization requests, the unit of application authorization is authorized, at the same to other units into
The setting of row unauthorized；Management module 203 is also used to for the licensing status of all units to be sent to each unit, to each
The state of the unit is monitored, and is received authorized machine group command and carried out operation control to shared device 300, is latched simultaneously
Unauthorized unit controls the operation of shared device 300.
Wherein, each unit includes authorization module, operation module and display module, includes wherein unit A in attached drawing 1
And B of Unit, illustrate by taking unit A as an example, include authorization module 101a, connection signal obtains module 201, is used for signal acquisition
Module 201 applies for authorization requests, and shows the licensing status of all units；Operation module 101b, connection signal obtain module
201, for carrying out operation control to shared device 300 by management module 203 after corresponding unit is authorized to；Display module
101c is used to show the operating status of shared device 300.Authorization module further includes connecting respectively with control authority management module
Authorization requests unit and indicating unit, authorization requests unit are used to issue authorization requests to control authority management module；Instruction is single
Member is for showing that the licensing status of all units, licensing status include licensing status and unauthorized state.Equally, B of Unit
It include authorization module 102a, operation module 102b and display module 102c, the function of each module and unit A's divides mould
The function of block is identical, and details are not described herein again.
In order to preferably be controlled authorization requests and be distributed, the item provided by the invention for distributing unit and being authorized
Part: receiving authorization requests and unit is not used by；If one of unit is authorized to, authorized unit has the public machine
The monitoring and control authority of group equipment, uncommitted unit only have monitoring permission.In addition, guarantee nuclear power for greater safety
The equipment running status of factory.One embodiment of the invention, which is additionally provided, judges mould in one priority of control authority management module setting
Block 204 is asked when being unused for units idle and multiple in shared device if receiving multiple units and being simultaneously emitted by authorization
It asks, according to the unit priority of system intialization, judges that the unit for selecting highest priority is authorized；Here system is according to equipment
History data and safety equipment significance level, establish a priority and judge list, which is stored in is
In the database of system, when in actual operation, acquiring authorization requests information in real time, system is simultaneously monitored operating status, adjusts
It takes priority to judge list and inquires and judge which equipment has higher priority, if in the request of each unit, most
High level equipment needs to be authorized to, then after management module is also used to switch to highest priority unit authorization, control locking is excellent
First rank controls the operation of shared device lower than the unit of highest priority.Judged by priority to authorize higher level
The scheme of unit prior authorization provides more flexible and safe guarantee for the important equipment unit operation of nuclear power plant.
Attached drawing 2 is the authentication management system structure chart of two units of the invention, includes that two parts, host computer operate up and down
Display includes all having authorization module, operation module in unit A and B of Unit, wherein unit A and the operating display of B of Unit
And display module, and authorization module also has authorization prompt unit, and in slave computer calculation processing part, it is provided with the present invention
The control authority management module needed, control authority management module are separately connected authorization module, operation module and shared device
Execution unit, the execution unit of shared device are separately connected the display unit in each unit, are used for status feedback signal
It is sent in display module.
Operator carries out authorization requests, operation control by unit of each module on host computer display screen to needs
Deng.After corresponding unit is authorized to, authorization prompt unit can show green, indicate that the unit has been authorized to, and another unit
It is blocked, authorization prompt unit can also show different colours (such as red).Above system is by effective empowerment management, in time
Reliable operation information is provided for operator, operator can clearly tell correspondence in the operation interface of each unit
Whether unit is authorized to operation, whether in idle or blocking, realizes that all units can comprehensively believe public unit
The monitoring of breath provides safe guarantee for the operation of nuclear power plant.
Embodiment two
Present invention implementation provides a kind of public unit of nuclear power plant and intersects monitoring and management method, is suitable for one institute of embodiment
Show system, referring to Fig. 3 flow chart, this method comprises the following steps: S1, authorization module send to control authority management module and authorize
Request, and show the licensing status of all units；The running state information of S2, the inquiry shared device, and send public set
Standby running state information；S3, according to the operation state information and authorization requests authorize the unit of application authorization,
Unauthorized setting is carried out to other units simultaneously；And the licensing status of all units is sent to each unit, to every
The state of one unit is monitored；Step S1 further comprises: after corresponding unit is authorized to, to the shared device into
Row operation control；And show the shared device operating status；After step S3 further include: receive authorized machine group command to institute
It states shared device and carries out operation control, while being latched unauthorized unit and the operation of shared device is controlled.
Further in conjunction with attached drawing 4, the authorization of unit A is described in detail, it gives switch control authority
To the implementation flow chart of A unit, details are as follows:
In step s101, unit management personnel open authorization mould by public unit picture (each unit can access)
Block needs to select switching current operation permission to A unit according to current operation；
In step s 102, control authority management module receives the switching command signal, then starts to carry out logical process；
In step s 103, control authority management module is latched the equipment control command of B unit, makes B unit
Can not the equipment controlled.
In step S104, control authority management module returns to authorization indicating unit to current control authority management information
In, it shows authorization indicating unit A unit and has authorized, B unit shows unauthorized.
Pass through the management of the permission, it is ensured that A unit monitors completely with the public unit equipment and control authority, B machine
Group only has monitoring permission.And current state can clearly be known by entitlement management module.
In conjunction with attached drawing 5, the authorization of B of Unit is described in detail, it gives control authority is switched to B unit
Implementation flow chart, details are as follows:
In step s 201, unit management personnel open authorization mould by public unit picture (each unit can access)
Block needs to select switching current operation permission to B unit according to current operation；
In step S202, control authority management module receives the switching command signal, then starts to carry out logical process；
In step S203, control authority management module is latched the equipment control command of A unit, makes A unit
Can not the equipment controlled.
In step S204, control authority management module returns to authorization indicating unit to current control authority management information
In, it shows authorization indicating unit B unit and has authorized, A unit shows unauthorized.
Pass through the management of the permission, it is ensured that B unit monitors completely with the public unit equipment and control authority, A machine
Group only has monitoring permission.And current state can clearly be known by entitlement management module.
Fig. 6 gives the monitoring implementation flow chart of public unit equipment, and details are as follows:
In step S301, no matter current control authority is in A unit still in B unit, the device signal of the public unit
Pass to two units；
In step s 302, the display module of unit A, B shows the public unit equipment status information.To realize to setting
Standby monitoring.
It should be understood that above-described embodiment provides system in implementation method, only with the division of above-mentioned each functional module
Be illustrated, in practical application, can according to need and by above-mentioned function distribution by different functional modules, i.e., by equipment
Internal structure be divided into different functional modules, to complete all or part of the functions described above.In addition, above-mentioned implementation
The system and method embodiment that example provides belongs to same design, and specific implementation process is detailed in the description of embodiment of the method, here
It repeats no more.
Those of ordinary skill in the art will appreciate that realizing that all or part of the steps of above-described embodiment can pass through hardware
It completes, relevant hardware can also be instructed to complete by program, the program can store in a kind of computer-readable
In storage medium.The handoff functionality of control or realization mentioned above is realized by controller, and controller can be
Central processing unit (Central Processing Unit, CPU), can also be other general processors, Digital Signal Processing
Device (Digital Signal Processor, DSP), specific integrated circuit (Application Specific Integrated
Circuit, ASIC), ready-made programmable gate array (Field-Programmable Gate Array, FPGA) or other can
Programmed logic device, discrete gate or transistor logic, discrete hardware components etc..General processor can be microprocessor
Or the processor is also possible to any conventional processor etc..Memory mentioned above can be the storage of terminal built-in
Equipment, such as hard disk or memory.Present system further comprises memory, and the external storage that memory is also possible to system is set
It is standby, plug-in type hard disk, intelligent memory card (Smart Media Card, SMC), secure digital (Secure Digital, SD) card,
Flash card (Flash Card) etc..Memory can also both include the internal storage unit of system, also include External memory equipment,
For storing computer program and required other programs and information.Memory can be also used for temporarily storing and export
Or the information that will be exported.
In conclusion method and model system of the invention are changing for the monitoring management mode of the public unit equipment of nuclear power station
Into scheme, by adding authorization module and control authority management module can solve the safe operation problem of the prior art and go out
It is existing, while the operational administrative unit of clear, specific current unit can be presented to operation operator, effectively show in time
The control authority problem of current public unit equipment meets the customization demand of nuclear plant safety operation, improves nuclear power station
The definition of operational management, safety.The centralized management of authorization module is realized, personnel concentrate it convenient for unit management
Authorization and cancellation authorization, clearly can directly understand current grant situation；It authorizes after a unit management permission, it can be achieved that right
In addition the control blocking function of unit technically completely avoids other units to the control function of the equipment.For multimachine
Group shared device, realizes the common monitoring of multicomputer, it is ensured that integrality of each unit to equipment monitor.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of public unit of nuclear power plant intersects monitoring and management system, including at least two units, and with two machines
The shared device of the controllable connection of group, which is characterized in that the system also includes respectively with two units and shared device
The control authority management module of connection, the control authority management module include:
Signal acquisition module is separately connected each unit, for obtaining the authorization requests of one of two units；
Judgment module is separately connected the signal acquisition module and shared device, for inquiring the operation shape of the shared device
State information, and running state information is sent to management module；
Management module is separately connected the signal acquisition module, judgment module and shared device, for according to the operation state
Information and authorization requests authorize the unit of application authorization, while carrying out unauthorized setting to other units；
The management module is also used to for the licensing status of all units to be sent to each unit, to each unit
State monitored.
2. system according to claim 1, which is characterized in that the management module is also used to receive authorized machine group command
Operation control is carried out to the shared device, while being latched unauthorized unit and the operation of shared device is controlled.
3. system according to claim 1, which is characterized in that each unit includes authorization module and operation mould
Block,
The authorization module connects the signal acquisition module, is used for the signal acquisition module application authorization requests, and show
Show the licensing status of all units；
Operation module connects the signal acquisition module, is used for after corresponding unit is authorized to, by the management module to institute
It states shared device and carries out operation control.
4. system according to claim 3, which is characterized in that each unit further includes display module, for showing
The shared device operating status.
5. system according to claim 1, which is characterized in that each unit includes authorization module, the authorization
Module includes the authorization requests unit and indicating unit connecting respectively with the control authority management module, the authorization requests list
Member is for issuing authorization requests to the control authority management module；
The indicating unit is used to show that the licensing status of all units, the licensing status to include licensing status and unauthorized
State.
6. -5 any system according to claim 1, which is characterized in that the condition that distribution unit is authorized: reception is awarded
Power request and unit are not used by；If one of unit is authorized to, authorized unit has the public unit equipment
Monitoring and control authority, uncommitted unit only have monitoring permission.
7. system according to claim 1, which is characterized in that the control authority management module further includes priority judgement
Module, when being unused for units idle and multiple in the shared device, if receiving multiple units is simultaneously emitted by authorization
Request judges that the unit for selecting highest priority is authorized according to the unit priority of system intialization；
The management module is also used to after switching to highest priority unit authorization, and control locking priority level is excellent lower than highest
The unit of first grade controls the operation of shared device.
8. a kind of public unit of nuclear power plant intersects monitoring and management method, which is characterized in that including at least two units, Yi Jiyu
The shared device of the controllable connection of two units, the control authority pipe being connect respectively with two units and shared device
Module is managed, each unit includes authorization module, and described method includes following steps:
S1, authorization module send authorization requests to control authority management module, and show the licensing status of all units；
The running state information of S2, the inquiry shared device, and send the running state information of shared device；
S3, according to the operation state information and authorization requests authorize the unit of application authorization, while to other units
Carry out unauthorized setting；And the licensing status of all units is sent to each unit, with the shape to each unit
State is monitored；
The step S1 further comprises: after corresponding unit is authorized to, carrying out operation control to the shared device；And it shows
The shared device operating status；
After step S3 further include: receive authorized machine group command and carry out operation control to the shared device, while being latched not
Unit is authorized to control the operation of shared device.
9. according to the method described in claim 8, it is characterized in that, the condition that distribution unit is authorized: receiving authorization requests
It is not used by with unit；If one of unit is authorized to, authorized unit have the public unit equipment monitoring and
Control authority, uncommitted unit only have monitoring permission.
10. according to the method described in claim 8, it is characterized in that, further including handling as follows: it is idle in the shared device and
When multiple units are unused, if receiving multiple units is simultaneously emitted by authorization requests, according to the unit priority of system intialization,
The unit of judgement selection highest priority is authorized；After switching to highest priority unit authorization, control locking priority
Not Di Yu the unit of highest priority the operation of shared device is controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811284215.5A CN109472374A (en) | 2018-10-31 | 2018-10-31 | The public unit of nuclear power plant intersects monitoring and management system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811284215.5A CN109472374A (en) | 2018-10-31 | 2018-10-31 | The public unit of nuclear power plant intersects monitoring and management system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109472374A true CN109472374A (en) | 2019-03-15 |
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| CN201811284215.5A Pending CN109472374A (en) | 2018-10-31 | 2018-10-31 | The public unit of nuclear power plant intersects monitoring and management system and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116453560A (en) * | 2023-04-27 | 2023-07-18 | 北京和利时控制技术有限公司 | Data acquisition method and system |
| CN116488961A (en) * | 2023-04-27 | 2023-07-25 | 北京和利时控制技术有限公司 | Public unit gateway, communication method and communication system |
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2018
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116453560A (en) * | 2023-04-27 | 2023-07-18 | 北京和利时控制技术有限公司 | Data acquisition method and system |
| CN116488961A (en) * | 2023-04-27 | 2023-07-25 | 北京和利时控制技术有限公司 | Public unit gateway, communication method and communication system |
| CN116488961B (en) * | 2023-04-27 | 2023-12-05 | 北京和利时控制技术有限公司 | Public unit gateway, communication method and communication system |
| CN116453560B (en) * | 2023-04-27 | 2023-12-15 | 北京和利时控制技术有限公司 | Data acquisition method and system applied to nuclear power station DCS system |
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Application publication date: 20190315 |