CN205427464U - But redundant redundant control system of automatic recovery - Google Patents

But redundant redundant control system of automatic recovery Download PDF

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Publication number
CN205427464U
CN205427464U CN201521042817.1U CN201521042817U CN205427464U CN 205427464 U CN205427464 U CN 205427464U CN 201521042817 U CN201521042817 U CN 201521042817U CN 205427464 U CN205427464 U CN 205427464U
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controller
redundant
redundancy
redundant channel
channel
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CN201521042817.1U
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陈小杰
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Chongqing Chuanyi Automation Co Ltd
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Chongqing Chuanyi Automation Co Ltd
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Abstract

The utility model provides a but redundant redundant control system of automatic recovery, include: first control ware, the second controllor, monitor module and redundant activation module, the first control ware passes through the cable electricity with the second controllor to be connected, and the cable constitutes first control ware and the second controllor's redundant channel, monitor the state that the module is suitable for real -time monitor redundant channel: , monitor the module and report the control personnel with redundant channel trouble information when breaking down when monitoring the redundant channel, when monitoring redundant channel fault removed, monitor the module with redundant channel fault removed message routing to redundant activation module, redundant activation module is suitable for after receiving redundant channel fault removed information, and is redundant according to the automatic activation of the redundant state before the trouble of redundant channel. The utility model discloses a redundant control system and redundant automatic recovery method can be behind the fault removed of redundant channel rapid automatic recovery of the very first time, keep original redundant state, not only quick reliable but also reduce expenses.

Description

Can automatically recover the redundancy control system of redundancy
Technical field
This utility model relates to automatic field, particularly relates to a kind of redundancy control system that can automatically recover redundancy.
Background technology
In Industry Control, controlling the most incessantly to meet the control system of high reliability, the large and medium-sized equipment of long life requirement and not shutdown maintenance, redundancy is often considered a kind of and improves reliability control system and the more effective solution of safety.Applying the hot standby controller in the most redundancy control systems in Industry Control at present is to build a real-time channel between master-slave controller to carry out principal and subordinate's redundant synchronization.The hardware intermediaries major part of redundant channel uses optical fiber cable in real time, also has small part to use common cable, and also having a small amount of mode used is that board base is directly connected to.But to be directly connected to this communication often anti-interference weak for board base, and stability is not as good as first two mode, and adds certain complexity in hardware designs and configuration aspects.Cable connected mode is used to be caused redundant channel communication failure to be the object of a primary study by cable self or other outside causes such as artificial.
In redundancy control system, two master-slave controllers transmit information to mutually detect by synchronizing channel, and by a real-time synchronization Channel Synchronous.The synchronizing informations such as the carrying of this real-time redundant channel substantial amounts of data, control, clock, if redundant channel communication failure, only one of which controller can be caused normally to work (becoming the controller worked alone), another controller is in holding state (becoming independent standby controller), and control system redundancy unsuccessfully enters unit mode of operation.Keeped in repair by engineering staff or other detections recover redundant channel proper communication, often also need to manual operation or restart that standby controller, the redundancy of control system could be recovered.This mode not only could not recover principal and subordinate's Redundant Control in the very first time, and the engineering staff controlled to situ industrial adds extra burden, causes the waste of manpower financial capacity.The purpose of this utility model is exactly that principal and subordinate's redundancy control system recovers the most automatically after hardware redundancy channel failure releases, and keeps original redundant state, not only fast and reliable and also reduce expenses.
Utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of redundancy control system that can automatically recover redundancy, for solve present in prior art when redundant channel recover normal after, need manual operation or restart standby controller and could recover the redundancy of control system and cause can not recover principal and subordinate's redundancy, the problem causing the waste of manpower financial capacity the very first time.
For achieving the above object and other relevant purposes, this utility model provides a kind of redundancy control system that can automatically recover redundancy, and the described redundancy control system that can automatically recover redundancy includes: the first controller, second controller, monitoring module and redundancy activation module;
Described first controller is electrically connected by cable with described second controller, and described cable constitutes the redundant channel of described first controller and described second controller;
Described monitoring module is suitable to monitor in real time the state of described redundant channel: when listening to described redundant channel and breaking down, described monitoring module by described redundant channel fault information reporting to monitoring personnel;When listening to described redundant channel trouble shooting, described redundant channel trouble shooting information is sent to described redundancy activation module by described monitoring module;
Described redundancy activation module is suitable to after receiving redundant channel trouble shooting information, automatically activates redundancy according to the redundant state of described redundancy control system before the fault of redundant channel.
A kind of preferred version as the redundancy control system that can automatically recover redundancy of the present utility model, described monitoring module monitors the state of described redundant channel in real time by monitoring the data transmission scenarios in described redundant channel: when no data transmission in described redundant channel, break down in described redundant channel;When having data to transmit in described redundant channel, the trouble shooting of described redundant channel.
As a kind of preferred version of the redundancy control system that can automatically recover redundancy of the present utility model, if there is principal and subordinate's redundant state before the fault of redundant channel, described redundancy activation module activates redundancy automatically according to original principal and subordinate's redundant state;If described first controller and described second controller are in original state before the fault of redundant channel, described redundancy activation module according to independently to from principle automatically activate redundancy.
It is positioned at described first controller and described second controller as a kind of preferred version of the redundancy control system that can automatically recover redundancy of the present utility model, described monitoring module and described redundancy activation module.
As a kind of preferred version of the redundancy control system that can automatically recover redundancy of the present utility model, the described redundancy control system that can automatically recover redundancy also includes diagnostic module;
Time breaking down in described redundant channel, the redundant state of described first controller and described second controller can change, described diagnostic module is suitable to the first controller described in real-time diagnosis and the described second controller communications status to lower I/O bus before the redundant state of described first controller and described second controller changes, and when diagnosis to a wherein controller exists data transmission to lower I/O bus, another controller is set to unit holding state.
As a kind of preferred version of the redundancy control system that can automatically recover redundancy of the present utility model, described diagnostic module is positioned at described first controller and described second controller.
As mentioned above, the redundancy control system that can automatically recover redundancy of the present utility model, have the advantages that redundancy control system of the present utility model and redundancy automatic recovery method can after the trouble shooting of redundant channel the very first time the most automatically recover, and keep original redundant state, not only fast and reliable and also reduce expenses;By arranging diagnostic module and the communications status of lower I/O bus being diagnosed by the first controller and second controller, the first controller and second controller can be avoided to control to cause confusion to the input and output of lower I/O bus.
Accompanying drawing explanation
Fig. 1 is shown as in this utility model embodiment one schematic diagram of the redundancy control system that can automatically recover redundancy provided.
Fig. 2 is shown as in this utility model embodiment one fundamental diagram of the redundancy control system that can automatically recover redundancy provided.
Fig. 3 shows the flow chart of the redundancy automatic recovery method of the redundancy control system that can automatically recover redundancy provided in this utility model embodiment two.
Element numbers explanation
1 first controller
2 second controllers
3 cables
4 monitor module
5 redundancy activation modules
6 diagnostic modules
Detailed description of the invention
Below by way of specific instantiation, embodiment of the present utility model being described, those skilled in the art can be understood other advantages of the present utility model and effect easily by the content disclosed by this specification.This utility model can also be carried out by the most different detailed description of the invention or apply, and the every details in this specification can also carry out various modification or change based on different viewpoints and application under without departing from spirit of the present utility model.
Refer to Fig. 1 to Fig. 3 it should be noted that, diagram provided in the present embodiment illustrates basic conception of the present utility model the most in a schematic way, though component count, shape and size when only showing the assembly relevant with this utility model rather than implement according to reality in Tu Shi are drawn, during its actual enforcement, the kenel of each assembly, quantity and ratio can be a kind of random change, and its assembly layout kenel is likely to increasingly complex.
Embodiment one
Referring to Fig. 1, this utility model provides a kind of redundancy control system that can automatically recover redundancy, and the described redundancy control system that can automatically recover redundancy includes: the first controller 1, second controller 2, monitoring module 4 and redundancy activation module 5;Described first controller 1 is electrically connected by cable 3 with described second controller 2, and described cable 3 constitutes the redundant channel of described first controller 1 and described second controller 2;Described monitoring module 4 is suitable to monitor in real time the state of described redundant channel: when listening to described redundant channel and breaking down, described monitoring module 4 by described redundant channel fault information reporting to monitoring personnel, when listening to described redundant channel trouble shooting, described redundant channel trouble shooting information is sent to described redundancy activation module 5 by described monitoring module 4;Described redundancy activation module 5 is suitable to after receiving redundant channel trouble shooting information, automatically activates redundancy according to the redundant state of described redundancy control system before the fault of redundant channel.
As example, described monitoring module 4 passes through human-computer interaction interface by described redundant channel fault information reporting to monitoring personnel, and monitoring personnel can check that hardware circuit connects after receiving described redundant channel fault message, discharges the fault of described redundant channel.
As example, described monitoring module 4 monitors the state of described redundant channel in real time by monitoring the data transmission scenarios in described redundant channel: when no data transmission in described redundant channel, it is judged that break down in described redundant channel;When having data to transmit in described redundant channel, it is judged that the trouble shooting of described redundant channel.
As example, if there is principal and subordinate's redundant state before the fault of redundant channel, described redundancy activation module 5 activates redundancy automatically according to original principal and subordinate's redundant state, even before the fault of redundant channel, described first controller 1 is main redundant state as master controller, described second controller 2 is as being from redundant state from controller, then after the trouble shooting of described redundant channel, described redundancy activation module 5 will described first controller 1 be main redundant state as master controller activation, using described second controller 2 as activating as from redundant state from controller, vice versa;If described first controller 1 and described second controller 2 are in original state before the fault of redundant channel, described redundancy activation module 5 according to independently to from principle automatically activate redundancy, before the fault of the most described redundant channel, described first controller 1 and described second controller 2 are for setting principal and subordinate's redundancy, now, any controller (such as the first controller) is automatically made main redundant state (i.e. as master controller) and sends signal to another controller (such as second controller), another controller is set as corresponding from redundant state automatically according to the relevant information of the described controller having been set to main redundant state after receiving signal.
As example, outside described monitoring module 4 and described redundancy activation module 5 can be arranged at described first controller 1 and described second controller 2 as independent device, it is also possible to the part as described first controller 1 and described second controller 2 is arranged in described first controller 1 and described second controller 2;Preferably, in the present embodiment, described monitoring module 4 and described redundancy activation module 5 are positioned at described first controller 1 and described second controller 2.
Described monitoring module 4 and described redundancy activation module 5 are set in described redundancy control system, after the trouble shooting of redundant channel, need not manual operation or restart standby control to activate redundancy, the very first time can the most automatically recover redundancy, and can keep original redundant state, not only fast and reliable and also reduce expenses.
As example, the described redundancy control system that can automatically recover redundancy also includes diagnostic module 6;Time breaking down in described redundant channel, the redundant state of described first controller 1 and described second controller 2 can change, described diagnostic module 6 is suitable to the first controller 1 described in real-time diagnosis and the described second controller 2 communications status to lower I/O bus before the redundant state of described first controller 1 and described second controller 2 changes, and when diagnosis to a wherein controller exists data transmission to lower I/O bus, another controller is set to unit holding state.
Described diagnostic module 6 is set in described redundancy control system, may insure that when breaking down in described redundant channel, still only one of which controller is to lower I/O bus transfer data, thus avoids described first controller 1 and described second controller 2 and the input and output of lower I/O bus control the generation of the phenomenon caused confusion.
As example, outside described diagnostic module 6 can be arranged at described first controller 1 and described second controller 2 as single device, it is also possible to the part as described first controller 1 and described second controller 2 is arranged in described first controller 1 and described second controller 2;Preferably, in the present embodiment, described diagnostic module 6 is positioned at described first controller 1 and described second controller 2.
Referring to Fig. 2, the operation principle of the described redundancy control system that can automatically recover redundancy of the present embodiment is: begins listening for whether redundant channel fault is recovered, judges whether redundancy is activated after the fault of described redundant channel;If redundancy is not activated, whether redundant state is there is before judging redundant channel fault, if existing, automatically redundancy is activated according to original redundant state, if there is not redundant state (the i.e. first controller 1 and second controller 2 are in original state), then according to independently to from principle first set the controller of main redundant state, then activate the other side's (another controller) redundancy;If redundancy is activated, judge whether the controller being activated is from controller (the most whether being from redundant state), if not from controller (being master controller), then according to information active activation the other side's (another) redundancy of self, so do not interfere with original master controller worked alone, if from controller, the most again detect and synchronize the controller of another stand-alone mode being in main redundant state, and join in operating autonomous system, finally complete the automatic recovery of master/slave redundant system.
Embodiment two
Refer to Fig. 3, this utility model also provides for the redundancy automatic recovery method of a kind of redundancy control system that can automatically recover redundancy, described redundancy control system includes the first controller and second controller, described first controller is electrically connected by cable with described second controller, and described cable constitutes the redundant channel of described first controller and described second controller;Described redundancy automatic recovery method includes:
S1: monitor the state of the first controller and the redundant channel of second controller in real time;
S2: listen to described redundant channel when breaking down, by described redundant channel fault information reporting to monitoring personnel;
S3: when listening to described redundant channel trouble shooting, activates redundancy automatically according to the redundant state of described redundancy control system before the fault of redundant channel.
As example, the described redundancy control system that can automatically recover redundancy in the present embodiment is the redundancy control system that can automatically recover redundancy described in embodiment one.
Perform S1 step, refer to the S1 step in Fig. 3, monitor the state of the first controller and the redundant channel of second controller in real time.
As example, based on monitoring module and monitor in real time the state of described redundant channel, listen to described redundant channel when breaking down, described monitoring module by described redundant channel fault information reporting to monitoring personnel.
As example, monitor the state of described redundant channel in real time by monitoring the data transmission scenarios in described redundant channel: when no data transmission in described redundant channel, break down in described redundant channel;When having data to transmit in described redundant channel, the trouble shooting of described redundant channel.
Perform S2 step, refer to the S2 step in Fig. 3, listen to described redundant channel when breaking down, by described redundant channel fault information reporting to monitoring personnel.
As example, described monitoring module passes through human-computer interaction interface by described redundant channel fault information reporting to monitoring personnel, and monitoring personnel can check that hardware circuit connects after receiving described redundant channel fault message, discharges the fault of described redundant channel.Perform S3 step, refer to the S3 step in Fig. 3, when listening to described redundant channel trouble shooting, automatically activate redundancy according to the redundant state of described redundancy control system before the fault of redundant channel.
As example, when listening to described redundant channel trouble shooting, automatically activate redundancy based on redundancy activation module according to the redundant state of described redundancy control system before the fault of redundant channel.
As example, automatically redundancy is activated method particularly includes: if there is principal and subordinate's redundant state before the fault of redundant channel, described redundancy activation module activates redundancy automatically according to original principal and subordinate's redundant state according to the redundant state of described redundancy control system before the fault of redundant channel;If described first controller and described second controller are in original state before the fault of redundant channel, described redundancy activation module according to independently to from principle automatically activate redundancy.
Monitor the state of redundant channel in real time, and after the trouble shooting of redundant channel, automatically activate redundancy, after the trouble shooting of redundant channel, need not manual operation or restart standby control to activate redundancy, the very first time can the most automatically recover redundancy, and can keep original redundant state, not only fast and reliable and also reduce expenses.
As example, time breaking down in described redundant channel, the redundant state of described first controller and described second controller can change;The redundancy automatic recovery method of the described redundancy control system that can automatically recover redundancy also includes: before the redundant state of described first controller and described second controller changes, the communications status to lower I/O bus based on the first controller described in diagnostic module real-time diagnosis and described second controller, and when diagnosis to a wherein controller exists data transmission to lower I/O bus, another controller is set to unit holding state.
Described first controller and the described second controller communications status to lower I/O bus is diagnosed based on diagnostic module, to guarantee when breaking down in described redundant channel, still only one of which controller is to lower I/O bus transfer data, thus avoids described first controller 1 and described second controller 2 and the input and output of lower I/O bus control the generation of the phenomenon caused confusion.
In sum, this utility model provides a kind of redundancy control system that can automatically recover redundancy, and the described redundancy control system that can automatically recover redundancy includes: the first controller, second controller, monitoring module and redundancy activation module;Described first controller is electrically connected by cable with described second controller, and described cable constitutes the redundant channel of described first controller and described second controller;Described monitoring module is suitable to monitor in real time the state of described redundant channel: when listening to described redundant channel and breaking down, described monitoring module by described redundant channel fault information reporting to monitoring personnel;When listening to described redundant channel trouble shooting, described redundant channel trouble shooting information is sent to described redundancy activation module by described monitoring module;Described redundancy activation module is suitable to after receiving redundant channel trouble shooting information, automatically activates redundancy according to the redundant state of described redundancy control system before the fault of redundant channel.Redundancy control system of the present utility model and redundancy automatic recovery method can after the trouble shooting of redundant channel the very first time the most automatically recover, and keep original redundant state, not only fast and reliable and also reduce expenses;By arranging diagnostic module and the communications status of lower I/O bus being diagnosed by the first controller and second controller, the first controller and second controller can be avoided to control to cause confusion to the input and output of lower I/O bus.
Above-described embodiment only illustrative principle of the present utility model and effect thereof, not for limiting this utility model.Above-described embodiment all can be modified under spirit and the scope of the present utility model or change by any person skilled in the art.Therefore, art has all equivalence modification or changes that usually intellectual is completed under without departing from the spirit disclosed in this utility model and technological thought such as, must be contained by claim of the present utility model.

Claims (6)

1. the redundancy control system that can automatically recover redundancy, it is characterised in that the described redundancy control system that can automatically recover redundancy includes: the first controller, second controller, monitoring module and redundancy activation module;
Described first controller is electrically connected by cable with described second controller, and described cable constitutes the redundant channel of described first controller and described second controller;
Described monitoring module is suitable to monitor in real time the state of described redundant channel: when listening to described redundant channel and breaking down, described monitoring module by described redundant channel fault information reporting to monitoring personnel;When listening to described redundant channel trouble shooting, described redundant channel trouble shooting information is sent to described redundancy activation module by described monitoring module;
Described redundancy activation module is suitable to after receiving redundant channel trouble shooting information, automatically activates redundancy according to the redundant state of described redundancy control system before the fault of redundant channel.
The redundancy control system that can automatically recover redundancy the most according to claim 1, it is characterized in that: described monitoring module monitors the state of described redundant channel in real time by monitoring the data transmission scenarios in described redundant channel: when no data transmission in described redundant channel, break down in described redundant channel;When having data to transmit in described redundant channel, the trouble shooting of described redundant channel.
The redundancy control system that can automatically recover redundancy the most according to claim 1, it is characterised in that: if there is principal and subordinate's redundant state before the fault of redundant channel, described redundancy activation module activates redundancy automatically according to original principal and subordinate's redundant state;If described first controller and described second controller are in original state before the fault of redundant channel, described redundancy activation module according to independently to from principle automatically activate redundancy.
The redundancy control system that can automatically recover redundancy the most according to claim 1, it is characterised in that: described monitoring module and described redundancy activation module are positioned at described first controller and described second controller.
The redundancy control system that can automatically recover redundancy the most according to any one of claim 1 to 4, it is characterised in that: the described redundancy control system that can automatically recover redundancy also includes diagnostic module;
Time breaking down in described redundant channel, the redundant state of described first controller and described second controller can change, described diagnostic module is suitable to the first controller described in real-time diagnosis and the described second controller communications status to lower I/O bus before the redundant state of described first controller and described second controller changes, and when diagnosis to a wherein controller exists data transmission to lower I/O bus, another controller is set to unit holding state.
The redundancy control system that can automatically recover redundancy the most according to claim 5, it is characterised in that: described diagnostic module is positioned at described first controller and described second controller.
CN201521042817.1U 2015-12-11 2015-12-11 But redundant redundant control system of automatic recovery Active CN205427464U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109343474A (en) * 2018-07-31 2019-02-15 全球能源互联网研究院有限公司 A kind of synchronisation control means and device of control and protection system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109343474A (en) * 2018-07-31 2019-02-15 全球能源互联网研究院有限公司 A kind of synchronisation control means and device of control and protection system

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