CN105656670B - More control card circuit switching devices and its control method - Google Patents
More control card circuit switching devices and its control method Download PDFInfo
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- CN105656670B CN105656670B CN201511032470.7A CN201511032470A CN105656670B CN 105656670 B CN105656670 B CN 105656670B CN 201511032470 A CN201511032470 A CN 201511032470A CN 105656670 B CN105656670 B CN 105656670B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0668—Management of faults, events, alarms or notifications using network fault recovery by dynamic selection of recovery network elements, e.g. replacement by the most appropriate element after failure
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- Hardware Redundancy (AREA)
Abstract
The present invention provides a kind of more control card circuit switching devices, including sequentially connected front panel, backboard and rear panel；Primary control card, standby control card and communication card are provided on the front panel；The interface card for drawing the communication card output signal is provided on the rear panel；The primary control card and the standby control card control the communication pattern of communication card in a manner of two-node cluster hot backup.The case where device provided by the invention causes complete machine can not be used when avoiding control card failure, enhances the practicability and stability of device.
Description
Technical field
The present invention relates to civil aviaton's field of communication technology more particularly to a kind of more control card circuit switching devices and its controlling parties
Method.
Background technique
Civil aviaton's communication mainly includes that air traffic control communication and management of navigational affairs communication are communicated with other.Air traffic control communication is main
Empty station and aircraft station establish the nothing for controlling traffic control, notification flight dynamic, transmitting flight information etc. with referring to civil aviaton
Line telecommunication.Management of navigational affairs communication divides high-frequency communication and VHF communication.The communication of high frequency management of navigational affairs is mainly used for communication boat
Communication between empty company and the aircraft to fly in external or domestic air route；The communication of very high frequency(VHF) management of navigational affairs is mainly used for navigating
Empty company and the communication between the aircraft of the flight in traffic pattern.It can be seen that civil aviaton communicates the flight for aircraft
Safety plays a crucial role.
MAGASWITCH type line switcher is communicated for civil aviaton's asynchronous line, can be switched over to more set communication lines,
It is the line splitter of more set civil aviaton's telegraph switching relay systems.However in the prior art, every equipment only one control card, if this
A control card failure, then complete machine cannot use, and to release failure, need to restart or reprocess, thus caused by communication
Influence is very big, not only reduces working efficiency, and be easy to bring hidden danger for the flight safety of aircraft.
Therefore, how to solve the problems, such as that control card failure causes complete machine non-serviceable is urgent problem.
Summary of the invention
(1) technical problems to be solved
The technical problem to be solved in the present invention is to provide a kind of more control card circuit switching devices, solve control card and event occur
When barrier, the problem of complete machine can not work normally.
(2) technical solution
In order to solve the above technical problems, technical solution of the present invention provides a kind of more control card circuit switching devices, packet
Include sequentially connected front panel, backboard and rear panel；
Primary control card, standby control card and communication card are provided on the front panel；
The interface card for drawing the communication card output signal is provided on the rear panel；
The primary control card and the standby control card carry out the communication pattern of communication card in a manner of two-node cluster hot backup
Control.
Preferably, the primary control card is also used to send the first control instruction to the communication card；
The standby control card is also used to send the second control instruction to the communication card；
The communication card is also used to judge whether first control instruction and second control instruction are identical, if phase
Together, then first control instruction or second control instruction are executed；If it is different, then judging the primary control card and described
Whether standby control card breaks down.
Preferably, the standby control card is also used to substitute primary control card, concurrent responding in primary control card failure
Report.
Preferably, the primary control card is also used to control the standby control card in the standby control card failure
Restart, is sounded an alarm if restarting failure.
Preferably, the communication card is also used to, and in the primary control card and the equal failure of the standby control card, is kept
Current communication pattern.
Preferably, when the primary control card and the standby control card work normally, the primary control card is used
Checking signal is sent to the standby control card in lasting, and continues to receive the checking signal that the standby control card is sent.
Preferably, the primary control card is also used to send the first data information to the standby control card, described in reception
The first feedback information that standby control card is sent, and judge first data information and first feedback information whether phase
Together, if it is different, then retransmitting first data information and receiving first feedback information again；
The standby control card is also used to send the second data information to the primary control card, receives the primary control
Block the second feedback information sent, and judges whether second data information and the second feedback data information are identical, if
Difference then retransmits second data information and receives second feedback information again.
Preferably, the front panel is by highly dense connector by primary control card, standby control card and communication card and institute
Backboard is stated to be connected；
The rear panel is by highly dense connector by the interface card for drawing the communication card output interface and the backboard phase
Even；
The primary control card is connected with the standby control card by fastethernet interface.
Preferably, it is integrated with communications control bus on the backboard, in the communication card and the scheme control card
Between transmit signal；
The communications control bus includes: high-speed link transfer bus, System Management Bus, synchronised clock bus and cuts
Change control bus.
In order to solve the above technical problems, technical solution of the present invention additionally provides a kind of more control card circuit switching devices
Control method is applied to above-mentioned apparatus, which comprises
The communication control card receives the first control instruction that the primary control card is sent and receives the spare control
The second control instruction that fabrication is sent；
The communication card judges whether first control instruction and second control instruction are identical, if they are the same, then hold
Row first control instruction or second control instruction；If it is different, then judging the primary control card and the spare control
Whether fabrication breaks down；
In primary control card failure, the standby control card substitutes primary control card, and sounds an alarm；
In the standby control card failure, standby control card described in the primary control card control is restarted, if restarting mistake
It loses, sounds an alarm.
(3) beneficial effect
A kind of more control card circuit switching devices provided by the invention, including sequentially connected front panel, backboard and back
Plate；Primary control card, standby control card and communication card are provided on front panel；It is provided on rear panel described logical for drawing
The interface card of letter card output signal；Primary control card and standby control card are in a manner of two-node cluster hot backup to the communication pattern of communication card
Controlled, so as to avoid control card failure when cause complete machine can not be used the case where, enhance device practicability and
Stability.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for more control card circuit switching devices that embodiment of the present invention provides；
Fig. 2 is a kind of card plugging structure schematic diagram for more control card circuit switching devices that embodiment of the present invention provides；
Fig. 3 is the core bus logical schematic that embodiment of the present invention provides；
Fig. 4 is the logical schematic that the communication card that embodiment of the present invention provides is interacted with control card；
Fig. 5 is the control card master/slave data interactive process schematic diagram that embodiment of the present invention provides；
Fig. 6 is a kind of schematic diagram of the control method for more control card circuit switching devices that embodiment of the present invention provides.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
Fig. 1 is a kind of structural schematic diagram for more control card circuit switching devices that embodiment of the present invention provides, including according to
Front panel 11, backboard 12 and the rear panel 13 of secondary connection；
Primary control card 111, standby control card 112 and communication card 113 are provided on the front panel 11；
The interface card 131 for drawing 113 output signal of communication card is provided on the rear panel 13；
The communication of the primary control card 111 and the standby control card 112 in a manner of two-node cluster hot backup to communication card 113
Mode is controlled.
Present embodiment provide more control card circuit switching devices, by using primary control card and standby control card with
The case where mode of two-node cluster hot backup controls communication card, causes complete machine can not be used when avoiding control card failure, increases
The strong practicability and stability of device.
In the specific implementation, communication card or control card can be connected by front panel by highly dense connector with backboard；Below
Interface card can be connected by plate by highly dense connector with backboard.The setting of highly dense connector makes communication card and corresponding interface card
It is connected, realizes the front and back card plugging structure of whole device, as shown in Figure 2.
In the specific implementation, above-mentioned more control card circuit switching devices can be used in civil aviaton's communication, due to equipment reality
It is strong with property and stability, it thereby may be ensured that the safe and stable operation of civil aviaton's communication system.
In the specific implementation, in order to enhance the safety of the equipment, more standby control cards can be used, it is not right herein
Its quantity is defined.
In the specific implementation, it is integrated with communications control bus in above-mentioned backboard, in the communication card and the mode
Signal is transmitted between control card.
Above-mentioned communications control bus includes: high-speed link transfer bus, concurrent management bus, serial management bus, synchronization
Clock bus, switching control bus, power supply and active and standby dedicated bus etc., as shown in Figure 3.
The effect of backboard is to guarantee the high-speed transfer of signal, and keep the relatively stable of system architecture, supports board
Mixed insertion does not injure board, and board mixed insertion is supported to mean that such as communication card not necessarily limit to and some position, can also be with
It is inserted in the position of other communication cards.
In the specific implementation, in order to realize more functions, multiple communication cards can be set on front panel, such as
MAGASWITCH line switcher has 16 communication cards.
Fig. 4 is the logic diagram of two control multiple communication cards of card control, as shown, the device can also include two
Power card, two power cards are redundancy structure, can provide power supply for whole device, when a power card breaks down,
Another power card is then enabled, to avoid the occurrence of device power blackout situation.
Preferably, the primary control card 111 can be also used for sending the first control instruction to the communication card 113；
The standby control card 112 is also used to send the second control instruction to the communication card 113；
The communication card 113 is also used to judge whether first control instruction and second control instruction are identical, if
It is identical, then execute first control instruction or second control instruction；If it is different, then judging the primary control card 111
Whether break down with the standby control card 112.
When such benefit, primary control card and standby control card are by sending control instruction realization pair to communication card respectively
The control of communication card, when two control instructions are identical, communication card executes corresponding communication pattern, if two control instruction differences
Then judge whether two control cards break down.
In the specific implementation, can using line and by the way of judge primary control card and standby control card whether occur therefore
Barrier.
Line and the two or more output end direct interconnections of finger can realize the function of "AND".
Preferably, the standby control card 112 can be also used for substituting primary control card in primary control card failure
111, and sound an alarm.
In this manner, can be when primary control card break down, standby control card substitutes primary control card, from
And guaranteeing whole device can continue to run.
By way of sounding an alarm, staff can be made to know that failure occurs in the device, so as in not shadow
In the case that sound device continues to run, device is repaired, the application environment of the device is made to have good improvement.
In the specific implementation, it can be sounded an alarm, can also be filled by other alarms by warning light or alarm generator
It sets and sounds an alarm.
Preferably, the primary control card 111 can be also used in 112 failure of standby control card, described in control
Standby control card 112 is restarted, and is sounded an alarm if restarting failure.
Such benefit is, in standby control card failure, primary control card control standby control card is restarted, if restarting mistake
It loses, sounds an alarm, thus notify staff that standby control card is repaired or replaced to standby control card, therefore, it is possible to
Guarantee there is standby control card in primary control card failure to replace primary control card, further increases the stability of equipment
And practicability.
In the specific implementation, it can be sounded an alarm, can also be filled by other alarms by warning light or alarm generator
It sets and sounds an alarm.
Preferably, the communication card 113 can be also used for, in the primary control card 111 and the standby control card 112
When equal failure, current communication pattern is kept.
Such benefit is, when two control cards break down, to allow communication card to keep current communication pattern, avoid
The communication pattern that mistake is executed according to the control instruction of mistake, to cause damages.In practical applications, primary control card and standby
A possibility that being broken down simultaneously with control card very little, in order to guarantee that the safe operation of device, setting occur when control card
When failure, so that communication card is kept current communication mode is preferred mode, and multiple standby control cards also can be set and ensure equipment
Safe operation.
Preferably, when the primary control card and the standby control card work normally, the primary control card 111
It can be used for continuing sending checking signal to the standby control card 112, and continue to receive what the standby control card 112 was sent
Checking signal.
Such benefit is that primary control card or the whether normal work of standby control card can be judged by checking signal
Make.
For example, primary control card and standby control card constantly send checking signal to other side when normal operating conditions, when
Standby control card is not received by the checking signal of primary control card for a long time, then may determine that primary control card is resolved
The failures such as electricity, crash.
In the specific implementation, above-mentioned checking signal can be the pulse signal of fixed frequency, can preset a lasting hair
The time interval of the pulse signal is given, if control card is not received by pulse letter within the period for being greater than the time interval
Number, then it may determine that failure occur.
Preferably, the primary control card 111 can be also used for sending the first data letter to the standby control card 112
Breath receives the first feedback information that the standby control card 112 is sent, and judges first data information and described first instead
Whether feedforward information is identical, if it is different, then retransmitting first data information and receiving first feedback information again；
The standby control card 112 can be also used for sending the second data information to the primary control card 111, receive institute
State the second feedback information that primary control card 111 is sent, and judge second data information and second feedback coefficient it is believed that
Whether breath is identical, if it is different, then retransmitting second data information and receiving second feedback information again.
Such benefit is primary control card and the mutual transfer data information of standby control card, and to the number received
It is believed that breath and itself data information carry out cross reference, ensure that data correctness and signal transduction process it is complete
Property.
In the specific implementation, the data information that primary control card and standby control card mutually transmit includes: activestandby state refers to
Show, available mode instruction, state instruction in place, clock status instruction, reset state instruction etc., primary control card and spare control
Card data exchange process is as shown in figure 5, table 1 is data interaction signal meaning explanation in Fig. 5.
The active and standby control card data interaction signal meaning explanation of table 1
| SWAP_SELF_FLAG | The activestandby state of this plate indicates |
| SWAP_SELF_IND | The available mode of this plate indicates |
| SWAP_SELF_PD | The state instruction in place of this plate |
| SWAP_SELF_CLK | The clock status of this plate indicates |
| SWAP_SELF_RST | The reset state of this plate indicates |
| SWAP_SELF_CLK_USE | Clock Buffer (buffer) either on or off signal of this plate |
| SWAP_RST_OPP1_IND | It resets and plate is indicated |
| SWAP_OPP_FLAG | Activestandby state instruction to plate |
| SWAP_OPP_IND | Available mode instruction to plate |
| SWAP_OPP_PD | To the state instruction in place of plate |
| SWAP_OPP_CLK | Clock status instruction to plate |
| SWAP_OPP_RST | Reset state instruction to plate |
| SWAP_OPP_CLK_USE | To clock Buffer (buffer) either on or off signal of plate |
| SWAP_RST_OPP0_IND | It resets and plate is indicated |
Preferably, the front panel 11 by primary control card 111, standby control card 112 and is led to by highly dense connector
Letter card 113 is connected with the backboard 12；
The rear panel 13 will draw interface card 131 and the institute of 113 output interface of communication card by highly dense connector
Backboard 12 is stated to be connected；
The primary control card 111 and the standby control card 112 can by Fast Ethernet (Fast Ethernet,
FE) interface connects.
Such benefit is, fast using FE interface data transmission speed.
Preferably, it is integrated with communications control bus on the backboard 12, in the communication card and the scheme control
Signal is transmitted between card；
The communications control bus includes: high-speed link transfer bus, System Management Bus, synchronised clock bus and cuts
Change control bus.
Present embodiment provide more control card circuit switching devices, by using primary control card and standby control card with
The case where mode of two-node cluster hot backup controls communication card, causes complete machine can not be used when avoiding control card failure, increases
The strong practicability and stability of device.
Referring to Fig. 6, present embodiment additionally provides a kind of control method of more control card circuit switching devices, is applied to upper
State device, which comprises
S11, the communication control card receive the first control instruction and receive described standby that the primary control card is sent
The second control instruction sent with control card；
S12, the communication card judge whether first control instruction and second control instruction are identical, if they are the same,
Then execute first control instruction or second control instruction；If it is different, then judging the primary control card and described standby
Whether broken down with control card.
S13, in primary control card failure, the standby control card substitutes primary control card, and sounds an alarm.
S14, in the standby control card failure, standby control card described in the primary control card control is restarted, if weight
Failure is opened then to sound an alarm.
The control method for more control card circuit switching devices that present embodiment provides, by using primary control card and standby
Communication card is controlled in a manner of two-node cluster hot backup with control card, causes complete machine can not be used when avoiding control card failure
The case where, enhance the practicability and stability of device.
The above embodiments are only used to illustrate the present invention, and not limitation of the present invention, in relation to the common of technical field
Technical staff can also make a variety of changes and modification without departing from the spirit and scope of the present invention, therefore all
Equivalent technical solution also belongs to scope of the invention, and scope of patent protection of the invention should be defined by the claims.
Claims (8)
1. a kind of more control card circuit switching devices, which is characterized in that including sequentially connected front panel, backboard and rear panel；
Primary control card, standby control card and communication card are provided on the front panel；
The interface card for drawing the communication card output signal is provided on the rear panel；
The primary control card and the standby control card control the communication pattern of communication card in a manner of two-node cluster hot backup；
Wherein, the primary control card is also used to send the first control instruction to the communication card；
The standby control card is also used to send the second control instruction to the communication card；
The communication card is also used to judge whether first control instruction and second control instruction are identical, if they are the same, then
Execute first control instruction or second control instruction；If it is different, then judging the primary control card and described spare
Whether control card breaks down；
Wherein, the communication card is also used to, and in the primary control card and the equal failure of the standby control card, keeps current
Communication pattern.
2. device as described in claim 1, which is characterized in that the standby control card is also used in primary control card failure
When, primary control card is substituted, and sound an alarm.
3. device as described in claim 1, which is characterized in that the primary control card is also used in the standby control card event
When barrier, controls the standby control card and restart, sounded an alarm if restarting failure.
4. device as described in claim 1, which is characterized in that normal in the primary control card and the standby control card
When work, the primary control card sends checking signal to the standby control card for continuing, and continues to receive described spare
The checking signal that control card is sent.
5. device as described in claim 1, which is characterized in that the primary control card is also used to send out to the standby control card
Send the first data information, receive the first feedback information that the standby control card is sent, and judge first data information and
Whether first feedback information is identical, if it is different, then retransmitting first data information and receiving described first again
Feedback information；
The standby control card is also used to send the second data information to the primary control card, receives the primary control card hair
The second feedback information sent, and judge whether second data information and the second feedback data information are identical, if it is different,
It then retransmits second data information and receives second feedback information again.
6. device as described in claim 1, which is characterized in that the front panel by highly dense connector by primary control card,
Standby control card and communication card are connected with the backboard；
The interface card for drawing the communication card output interface is connected by the rear panel by highly dense connector with the backboard；
The primary control card is connected with the standby control card by fastethernet interface.
7. device as described in claim 1, which is characterized in that communications control bus is integrated on the backboard, in institute
It states and transmits signal between communication card and the primary control card, standby control card；
The communications control bus includes: high-speed link transfer bus, System Management Bus, synchronised clock bus and switching control
Bus processed.
8. a kind of control method of more control card circuit switching devices, which is characterized in that be applied to any one of claim 1-7 institute
The device stated, which comprises
The communication card receives the first control instruction that the primary control card is sent and receives the standby control card and sends
The second control instruction；
The communication card judges whether first control instruction and second control instruction are identical, if they are the same, then execute institute
State the first control instruction or second control instruction；If it is different, then judging the primary control card and the standby control card
Whether break down；
In primary control card failure, the standby control card substitutes primary control card, and sounds an alarm；
In the standby control card failure, standby control card described in the primary control card control is restarted, if restarting failure
It sounds an alarm.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107168907A (en) * | 2017-05-23 | 2017-09-15 | 北京航管软件技术有限公司 | A kind of switch |
| CN107949267A (en) * | 2017-10-20 | 2018-04-20 | 珠海格力电器股份有限公司 | Controller mainboard and its circuit control method and electrical equipment |
| CN110571928A (en) * | 2019-09-04 | 2019-12-13 | 国网湖南省电力有限公司 | STATCOM control protection equipment fault undisturbed switching method and system |
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| CN105656670A (en) | 2016-06-08 |
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