CN103543705A - Implementation method for switching operational state of mainframe - Google Patents
Implementation method for switching operational state of mainframe Download PDFInfo
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- CN103543705A CN103543705A CN201310320971.XA CN201310320971A CN103543705A CN 103543705 A CN103543705 A CN 103543705A CN 201310320971 A CN201310320971 A CN 201310320971A CN 103543705 A CN103543705 A CN 103543705A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention discloses an implementation method for switching an operational state of a mainframe, aiming to switch the operational state of a direct-current control protection mainframe. A man-machine interface is added to the mainframe; under normal conditions, the operational state of the mainframe is automatically switched; under abnormal conditions, operators check the real-time operational state of the mainframe through the man-machine interface, and manually operate switching of the operational state of the mainframe to ensure that an undamaged system in a dual system is an effective system operating at any moment. The implementation method is applied to the direct-current control protection mainframe; under extreme conditions such as breakdown of a monitor system or network abnormality, actual operational state of the mainframe can be directly viewed in real time, and manual switching of the operational state of the mainframe can be realized through simple hardware operations.
Description
Technical field
The invention belongs to DC control protection field, the implementation method that particularly in DC control and protection system, main frame running status is switched.
Background technology
In DC control and protection system, main frame running status handoff functionality has very important effect.The implementation method that existing main frame running status is switched has several as follows: 1. from surveillance when current effective system fault being detected, send Host Status switching command and automatically switch; 2. receive that the system switching command that other main frames or external unit send carries out state auto-switching; 3. operations staff manually sends system switching command and carries out manual switchover on operation interface.
In supervisory system fault or the abnormal situation of network communication; operations staff cannot check the running status of controlling protected host by supervisory system; also cannot carry out the manual switchover of main frame running status by operation interface and operate, this will threaten the safe and stable operation of straight-flow system.
Summary of the invention
The implementation method that the object of the present invention is to provide a kind of main frame running status to switch; it is applicable to DC control and protection system, also can directly see in real time main frame actual motion state and can realize by simple hardware operation the manual switchover of main frame running status under the extreme cases such as supervisory system fault or Network Abnormal.
The technical scheme that realizes the object of the invention is: the implementation method that a kind of main frame running status is switched, for the running status of DC control and protection system main frame is switched, comprises the following steps:
Step 1, redundant host A and redundant host B carry out self check, the content of self check comprises the serviceable condition of main frame itself, the load factor of main frame, the state of the straight-flow system unit monitoring, and according to the result of self check, the fault level of main frame is distinguished: main frame is more intact, and fault level is lower;
The fault level of described main frame is included as minor failure, catastrophic failure and emergency, and wherein, minor failure does not refer to can carry the fault that produces harm to normal DC power, and minor failure can not cause the unavailable of any control function; Catastrophic failure refers to that operation exerts an influence to straight-flow system, but still can maintain the operation of straight-flow system, the main frame that catastrophic failure occurs is out of service in operation or stand-by state in the situation that at another main frame, if another main frame is unavailable, this main frame can continue to maintain the operation of straight-flow system; Emergency refers to the normal operation that cannot continue to control straight-flow system.
Step 2, judge that whether redundant host A and redundant host B have outside switching command, if had, perform step 4, otherwise perform step 3; Described outside switching command comprises:
(1) main frame is received the switching command that connected external unit sends;
(2) switching command that operations staff manually sends on monitor system operation interface;
(3) the main frame running status switching command that operations staff sends by the hardware operation on host apparatus.
The fault level of step 3, judgement redundant host A and redundant host B, if redundant host A is identical with the fault level of redundant host B, keeps present situation; If redundant host A is different with the fault level of redundant host B, and the lower main frame of fault level can maintain the operation of straight-flow system, and the main frame that fault level is lower automatically switches to running status; If redundant host A is different with the fault level of redundant host B, and the lower main frame of fault level can not maintain the operation of straight-flow system, straight-flow system emergency outage;
The running status of described main frame comprises: " RUN " ACTIVE, " standby " STANDBY, " service " SERVICE, tetra-kinds of states of " test " TEST, " RUN " is current effective main frame, " standby " is current stand-by heat main frame, " service " is the current main frame in service state, " test " is the current main frame in trystate, and when main frame is during in " RUN " or " standby " state, main frame is also necessarily in " service " state.
Step 4, redundant host A and host B are received outside switching command, if the fault level of host A and host B is identical, according to switching command, switch; If the fault level of host A and host B is different, forbid the blocked operation of external command, supervisory system can be pointed out corresponding lock file;
Step 5, judge whether the switching between redundant host A and redundant host B completes, if completed, end operation, supervisory system reports " switching of main frame running status completes " prompting event, otherwise supervisory system reports " main frame running status has been switched " alert event.
The present invention compared with prior art, its remarkable advantage is: the present invention provides a kind of more comprehensive for DC control and protection system, safety, advanced, practical Host Status changing method, on the basis of original main frame running status changing method, increase a kind of manual switchover method, on main frame, increase man-machine interface, under abnormal conditions, when original main frame running status changing method is unavailable, operations staff can directly see the real-time running state of each main frame on the spot by man-machine interface, and can realize by the simple hardware operation on host apparatus the manual switchover of main frame running status, to guarantee the safe and stable operation of straight-flow system.
Accompanying drawing explanation
Fig. 1 is that DC control main frame running status is switched schematic diagram.
Fig. 2 is that direct current protecting main frame running status is switched schematic diagram.
Fig. 3 is that DC control Host Status switches hardware schematic diagram.
Fig. 4 is that direct current protecting Host Status switches hardware schematic diagram.
Embodiment
The implementation method that a kind of main frame running status of the present invention is switched, for the running status of DC control and protection system main frame is switched, comprises the following steps:
Step 1, redundant host A and redundant host B carry out self check, the content of self check comprises the serviceable condition of main frame itself, the load factor of main frame, the state of the straight-flow system unit monitoring, and according to the result of self check, the fault level of main frame is distinguished: main frame is more intact, and fault level is lower;
The fault level of described main frame comprises minor failure, catastrophic failure and emergency, and wherein, minor failure does not refer to can carry the fault that produces harm to normal DC power, and minor failure can not cause the unavailable of any control function; Catastrophic failure refers to that operation exerts an influence to straight-flow system, but still can maintain the operation of straight-flow system, the main frame that catastrophic failure occurs is out of service in operation or stand-by state in the situation that at another main frame, if another main frame is unavailable, this main frame can continue to maintain the operation of straight-flow system; Emergency refers to the normal operation that cannot continue to control straight-flow system.
Step 2, judge that whether redundant host A and redundant host B have outside switching command, if had, perform step 4, otherwise perform step 3; Described outside switching command comprises:
(1) main frame is received the switching command that connected external unit sends;
(2) switching command that operations staff manually sends on monitor system operation interface;
(3) the main frame running status switching command that operations staff sends by the hardware operation on host apparatus.
The fault level of step 3, judgement redundant host A and redundant host B, if redundant host A is identical with the fault level of redundant host B, keeps present situation; If redundant host A is different with the fault level of redundant host B, and the lower main frame of fault level can maintain the operation of straight-flow system, and the main frame that fault level is lower automatically switches to running status; If redundant host A is different with the fault level of redundant host B, and the lower main frame of fault level can not maintain the operation of straight-flow system, straight-flow system emergency outage;
The running status of described main frame comprises: " RUN " ACTIVE, " standby " STANDBY, " service " SERVICE, tetra-kinds of states of " test " TEST, " RUN " is current effective main frame, " standby " is current stand-by heat main frame, " service " is the current main frame in service state, " test " is the current main frame in trystate, and when main frame is during in " RUN " or " standby " state, main frame is also necessarily in " service " state.
Step 4, redundant host A and host B are received outside switching command, if the fault level of host A and host B is identical, according to switching command, switch; If the fault level of host A and host B is different, forbid the blocked operation of external command, supervisory system can be pointed out corresponding lock file;
Step 5, judge whether the switching between redundant host A and redundant host B completes, if completed, end operation, supervisory system reports " switching of main frame running status completes " prompting event, otherwise supervisory system reports " main frame running status has been switched " alert event.
Be specifically described below: the implementation method that a kind of main frame running status is switched, for the running status of DC control protected host is switched; On main frame, increase man-machine interface, under normal circumstances, main frame running status automatically switches, under abnormal conditions, operations staff checks the real-time running state of main frame by man-machine interface, and manual operation carries out the switching of main frame running status, guarantee that the effective system of moving is at any time that cover system intact in dual system.
Above-mentioned for checking that the man-machine interface of the real-time running state of main frame adopts running LED.
The man-machine interface of the above-mentioned switching for main frame running status adopts button or switch.
Above-mentioned implementation method also comprises following content:
(1) from surveillance when the system failure being detected or receive the switching command that external unit sends, Host Status switches automatically;
(2) operations staff manually sends system switching command and receives and switch on operation interface;
(3) operations staff by control system on the spot the hardware operation on host apparatus realize the manual switchover of main frame running status.
The invention provides the implementation method that a kind of main frame running status is switched, on the basis of original main frame running status changing method, increase a kind of manual switchover method, on main frame, increase man-machine interface, described man-machine interface shows for running status and running status is switched, the man-machine interface showing for running status can adopt the information viewing hardware interfaces such as running LED, show intuitively current main frame running status, and the man-machine interface of switching for running status can adopt the hardware interfaces such as button or switch, conveniently manually carry out the switching of main frame running status, under abnormal conditions, when original main frame running status changing method is unavailable, operations staff can check that the real-time running state of main frame and manual operation carry out the switching of main frame running status by man-machine interface, guarantee that at any time the effective system of operation is that cover system comparatively intact in dual system, thereby guarantee that the safety that any single hostdown can interrupt system normally moves.
Below in conjunction with accompanying drawing, technical scheme of the present invention is elaborated.
All data interactions with background monitoring system by communication media access station LAN realization of redundant host A, B, between main frame, by being connected by communication between system, realize the data communication between main frame, in main frame, be provided with the intact degree of corresponding software program by relatively redundant host A, B system using that comparatively intact cover system as system on duty, guarantee that at any time in redundant system, that comparatively intact cover system works, as depicted in figs. 1 and 2, main frame running status changing method comprises:
(1) from surveillance when the system failure being detected or receive the switching command that external unit sends, Host Status switches automatically;
(2) receive that the system switching command that other main frames or external unit send carries out state switching automatically;
(3) operations staff manually sends system switching command and manually switches on background monitoring system operation interface;
(4) operations staff by control system on the spot the hardware operation on host apparatus realize the manual switchover of main frame running status.
Between redundant host A and redundant host B, by being connected by communication between host computer system, realize the data communication between main frame, in main frame, be provided with the intact degree of corresponding software program by relatively host A, B using that comparatively intact cover main frame as operation main frame, guarantee that at any time in redundant host, that comparatively intact cover main frame plays control action.
DC control host implementation case:
As shown in Figure 3: DC control main frame running status comprises " RUN " (ACTIVE), " standby " (STANDBY), " service " (SERVICE), " test " be four kinds of states (TEST), on main frame, be furnished with main frame running LED, can show in real time intuitively main frame running status." RUN " is current effective system, " standby " is current stand-by heat system, " service " is that current system in service state is (when system is during in " RUN " or " standby " state, system is also necessarily in " service " state), " test " is the current system in trystate.It is " RUN " state that the control system of dual all can only have a system at any time.The order of only having " RUN " system to send is effectively, follows the state of " RUN " system in the system time of " standby ".When generation systems switches, the system that is in " standby " state can only be switched to, the system in other states can not be switched to.When system need to be overhauled, generally, from " standby " system, switched to " test " state, after maintenance, again put into " service " state.
Host Status changing method has: 1. from surveillance when current effective system fault being detected, send Host Status switching command and automatically switch; 2. receive that the system switching command that other main frames or external unit send carries out state switching automatically; 3. operations staff sends system switching command and manually switches on operation interface; 4. operations staff by control system on the spot the hardware operation on host apparatus realize the manual switchover of main frame running status.
In main frame, be furnished with 3 switching push buttons: " running to standby ", " being tested to service ", " service to test ", switching push button interface is with existing OWS(operations staff operating system) consistency operation interface, from surveillance interface, the parallel access host running status switch logic of external unit request switching interface.In supervisory system fault or communication abnormality situation, operations staff can not issue manual switchover order by operation interface, can system be switched to " standby " from " RUN " by " running to standby " button, by " being tested to service " and " service to test " button by system running state manual switchover between " test " and " service ".Due to the singularity that DC control host computer system is switched, " standby to the operation " button of not configuration in this case and " standby to service " button and " service is to standby " button.Be generalized in other application, can in the light of actual conditions configure other corresponding buttons.
Direct current protecting host implementation case:
As shown in Figure 4: protected host running status comprises " RUN " (ACTIVE), and " test " be two states (TEST), is furnished with main frame running LED on main frame, can show in real time intuitively main frame running status.Protect each main frame separate, under normal circumstances, all protected hosts are all in " RUN " state, and wherein the fault of a main frame and state can not switch and exert an influence the state of other main frames.
Host Status changing method has: 1. from surveillance when current effective system fault being detected, send Host Status switching command and automatically switch; 2. operations staff sends system state switching command and manually switches on monitor system operation interface; 3. operations staff, by the protection system hardware operation on host apparatus on the spot, realizes the manual switchover of main frame running status.
In main frame, be furnished with 2 switching push buttons: " running to test ", " being tested to operation ", switching push button interface is with existing OWS(operations staff operating system) consistency operation interface, from surveillance interface concurrent access host running status switch logic.In supervisory system fault or communication abnormality situation, operations staff can not, by the manual switchover order of operation interface below, can realize by button the manual switchover of system running state.
As from the foregoing, the present invention provides a kind of more comprehensive for DC control and protection system, safety, advanced, practical Host Status changing method, on the basis of original main frame running status changing method, increase a kind of manual switchover method, on main frame, increase man-machine interface, under abnormal conditions, when original main frame running status changing method is unavailable, operations staff can directly see the real-time running state of each main frame on the spot by man-machine interface, and can realize by the simple hardware operation on host apparatus the manual switchover of main frame running status, to guarantee the safe and stable operation of straight-flow system.
Claims (4)
1. the implementation method that main frame running status is switched, for the running status of DC control and protection system main frame is switched, is characterized in that, comprises the following steps:
Step 1, redundant host A and redundant host B carry out self check, the content of self check comprises the serviceable condition of main frame itself, the load factor of main frame, the state of the straight-flow system unit monitoring, and according to the result of self check, the fault level of main frame is distinguished: main frame is more intact, and fault level is lower;
Step 2, judge that whether redundant host A and redundant host B have outside switching command, if had, perform step 4, otherwise perform step 3;
The fault level of step 3, judgement redundant host A and redundant host B, if redundant host A is identical with the fault level of redundant host B, keeps present situation; If redundant host A is different with the fault level of redundant host B, and the lower main frame of fault level can maintain the operation of straight-flow system, and the main frame that fault level is lower automatically switches to running status; If redundant host A is different with the fault level of redundant host B, and the lower main frame of fault level can not maintain the operation of straight-flow system, straight-flow system emergency outage;
Step 4, redundant host A and host B are received outside switching command, if the fault level of host A and host B is identical, according to switching command, switch; If the fault level of host A and host B is different, forbid the blocked operation of external command, supervisory system can be pointed out corresponding lock file;
Step 5, judge whether the switching between redundant host A and redundant host B completes, if completed, end operation, supervisory system reports " switching of main frame running status completes " prompting event, otherwise supervisory system reports " main frame running status has been switched " alert event.
2. the implementation method that a kind of main frame running status according to claim 1 is switched, it is characterized in that, described in step 1, the fault level of main frame comprises minor failure, catastrophic failure and emergency, wherein, minor failure does not refer to can carry the fault that produces harm to normal DC power, and minor failure can not cause the unavailable of any control function; Catastrophic failure refers to that operation exerts an influence to straight-flow system, but still can maintain the operation of straight-flow system, the main frame that catastrophic failure occurs is out of service in operation or stand-by state in the situation that at another main frame, if another main frame is unavailable, this main frame can continue to maintain the operation of straight-flow system; Emergency refers to the normal operation that cannot continue to control straight-flow system.
3. the implementation method that a kind of main frame running status according to claim 1 is switched, is characterized in that, the outside switching command described in step 2 comprises:
(1) main frame is received the switching command that connected external unit sends;
(2) switching command that operations staff manually sends on monitor system operation interface;
(3) the main frame running status switching command that operations staff sends by the hardware operation on host apparatus.
4. the implementation method that a kind of main frame running status according to claim 1 is switched, it is characterized in that, the running status of the main frame described in step 3 comprises: " RUN " ACTIVE, " standby " STANDBY, " service " SERVICE, tetra-kinds of states of " test " TEST, " RUN " is current effective main frame, " standby " is current stand-by heat main frame, " service " is the current main frame in service state, " test " is the current main frame in trystate, when main frame is during in " RUN " or " standby " state, main frame is also necessarily in " service " state.
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| CN108388108A (en) * | 2018-02-27 | 2018-08-10 | 浙江中控技术股份有限公司 | The method and device of synchrodata in a kind of multiple redundancy control system |
| CN108923530A (en) * | 2018-05-23 | 2018-11-30 | 国网上海市电力公司 | A kind of double set redundancy switching methods of transformer station measurement and control device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105187248A (en) * | 2015-09-16 | 2015-12-23 | 浙江众合科技股份有限公司 | Redundancy switching system |
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| CN108388108A (en) * | 2018-02-27 | 2018-08-10 | 浙江中控技术股份有限公司 | The method and device of synchrodata in a kind of multiple redundancy control system |
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| CN108923530A (en) * | 2018-05-23 | 2018-11-30 | 国网上海市电力公司 | A kind of double set redundancy switching methods of transformer station measurement and control device |
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Application publication date: 20140129 |