CN106971586A - The whistle control system of principal and subordinate's automated back-up switching - Google Patents
The whistle control system of principal and subordinate's automated back-up switching Download PDFInfo
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- CN106971586A CN106971586A CN201710312501.7A CN201710312501A CN106971586A CN 106971586 A CN106971586 A CN 106971586A CN 201710312501 A CN201710312501 A CN 201710312501A CN 106971586 A CN106971586 A CN 106971586A
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- master board
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/097—Supervising of traffic control systems, e.g. by giving an alarm if two crossing streets have green light simultaneously
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Abstract
The invention discloses a kind of whistle control system of principal and subordinate's automated back-up switching, including a master board, one from master control borad, first CAN, second CAN and several signal lamp driving plates, master board is provided with the first CAN interface and the second CAN interface, the third and fourth CAN interface is provided with from control panel, each signal lamp driving plate is provided with the 5th and the 6th CAN interface, first, 3rd and the 5th CAN interface is connected in the first CAN, second, 4th and the 6th CAN interface is connected in the second CAN, master board is connected by serial ports with from master board, master board issues Signalized control scheme by the first or second CAN to signal lamp driving plate.The present invention can effectively solve master control borad it is abnormal when whole system can not work and the problem of abnormal restoring needs to re-download configuration parameter, improve the stability and reliability of whole traffic signal control system.
Description
Technical field
The present invention relates to traffic signaling equipment field, more particularly to a kind of whistle control system of principal and subordinate's automated back-up switching.
Background technology
Traffic signaling equipment, as road traffic signal controller, is the important component of Traffic Systems, is city
Road is normal orderly current to have played important function.The composition of traffic signaling equipment mainly includes master control borad, control panel, LCD and shown
Display screen, communication interface plate, signal lamp driving plate, power panel and other patch panels etc..Wherein main control section is exactly
Master control borad, master control borad is responsible for determining issuing for whole crossing control program, and is driven according to crossing control program control signal lamp
Dynamic plate is accordingly controlled.
At present, what the existing semaphore of in the market was substantially used, which be all based on a master control borad mode, is controlled, its
There is the deficiency of the following aspects：1st, when master control borad occurs abnormal, whole belisha beacon can not all work, and will so make
Passed through into crossing disorder, influence crossing is passed through；2nd, after master control borad exception, safeguard that replacing renews master control borad, lead before
The parameter for controlling plate is lost, it is necessary to reconfigure parameter；3rd, due to the state without monitoring master control borad, so in master control borad exception
Afterwards, it is impossible to accomplish to be timely fed back to control centre, traffic police is caused to arrive in-situ processing in time abnormal；4th, master control borad and signal lamp
Use single communication port between driving plate to be communicated, whole system can not normally coordinate work when communication line is abnormal
Make.
The content of the invention
The technical problem to be solved in the present invention is that the drawbacks described above for prior art can be solved effectively there is provided one kind
Whole system can not work and the problem of abnormal restoring needs to re-download configuration parameter when master control borad is abnormal, improve whole traffic
The whistle control system of principal and subordinate's automated back-up switching of the stability and reliability of whistle control system.
The technical solution adopted for the present invention to solve the technical problems is：Construct a kind of signal of principal and subordinate's automated back-up switching
Control system, including master board, one from master control borad, the first CAN, the second CAN and several signal lamps
Driving plate, the master board is provided with the first CAN interface and the second CAN interface, described to be provided with the 3rd from control panel
CAN interface and the 4th CAN interface, each signal lamp driving plate are equipped with the 5th CAN interface and the 6th
CAN interface, first CAN interface, the 3rd CAN interface and the 5th CAN interface are all connected to described
In first CAN, second CAN interface, the 4th CAN interface and the 6th CAN interface are all connected to institute
State in the second CAN, the master board is also connected by serial ports with described from master board, each signal lamp driving
Plate is also connected with corresponding signal lamp respectively, and the master board is by first CAN or the second CAN to described
Signal lamp driving plate issues the state of Signalized control scheme or the collection signal lamp；
When the master board is monitored in first CAN, any one signal lamp driving plate can not normal communication
When, then it is switched to second CAN and is communicated, is driven when monitoring any one signal lamp in second CAN
Dynamic plate can not normal communication when, the master board by first CAN or the second CAN broadcast inform remaining
Signal lamp driving plate enters acquiescence emergency plan pattern, the master board log and upper hair warning message；
When the master board, which detects first CAN, can not receive the signal of all signal lamp driving plates,
Then it is switched to second CAN to be communicated, when can not also receive all signal lamp driving plates in second CAN
Signal when, the master board by the serial ports inform it is described be controlled power switching from control panel, by Signalized control
Power is controlled described in handing over to from control panel.
In the whistle control system that principal and subordinate's automated back-up of the present invention switches, the master board includes main process task
Device, the primary processor is connected in first CAN by first CAN interface, and the primary processor leads to
Second CAN interface is crossed to be connected in second CAN；It is described from control panel include from processor, it is described from
Processor is connected in first CAN by the 3rd CAN interface, described to pass through the described 4th from processor
CAN interface is connected in second CAN.
In the whistle control system that principal and subordinate's automated back-up of the present invention switches, each signal lamp driving plate is equal
Including drive control circuit, the drive control circuit is connected to first CAN by the 5th CAN interface
On, the drive control circuit is connected in second CAN by the 6th CAN interface, the driving control
Circuit processed is also connected with corresponding signal lamp.
In the whistle control system that principal and subordinate's automated back-up of the present invention switches, the master board and from control panel
Change by the way of hot plug.
In the whistle control system that principal and subordinate's automated back-up of the present invention switches, the serial ports is that RS232 communications connect
Mouth, RS422 communication interfaces or RS485 communication interfaces.
In the whistle control system that principal and subordinate's automated back-up of the present invention switches, the flow bag of the master board
Include：
A) the master board start completion initialization；
B) judge whether configuration file is effective, in this way, perform step D)；Otherwise, step C is performed)；
C) call config update sub-process to carry out configuration file renewal, perform step D)；
D CAN monitoring subroutine) is performed, first CAN, the second CAN and all CAN nodes is monitored
State, perform step E)；
E) perform master board and interact sub-process from control panel；
F) master board issues control information to the signal lamp driving plate according to the Signalized control scheme；
G the state of the whistle control system of principal and subordinate's automated back-up switching) is monitored；
H) log information as requested.
In the whistle control system that principal and subordinate's automated back-up of the present invention switches, the step C) further comprise：
C1) check configuration status and judge whether configuration is effective, in this way, update configuration information and carried out to described from control panel
Backup, performs step C4)；Otherwise, the configuration status from control panel is obtained by the serial ports, performs step C2)；
C2) judge whether the configuration status from control panel is effective, in this way, obtain the configuration information from control panel
And stored, perform step C3)；Otherwise, alarm needs to carry out configuration parameter download by configuring client, performs step
Rapid C4)；
C3) put the master board configuration effective, perform step C4)；
C4) return.
In the whistle control system that principal and subordinate's automated back-up of the present invention switches, the step D) further comprise：
D1) first CAN is monitored, and judges whether first CAN is normal, in this way, uses
First CAN is communicated, and performs step D2)；Otherwise, the first CAN abnormal log is recorded, and is reported
Alert prompting, performs step D3)；
D2) inform that the signal lamp driving plate is switched to first CAN by first CAN broadcast,
Perform step D7)；
D3) second CAN is monitored, and judges whether second CAN is normal, in this way, uses
Second CAN is communicated, and performs step D4)；Otherwise, the second CAN abnormal log is recorded, and is reported
Alert prompting, performs step D5)；
D4) inform that the signal lamp driving plate is switched to second CAN by second CAN broadcast,
Perform step D7)；
D5) informed by the serial ports and described take over control, execution step D6 from control panel)；
D6 CAN control) is discharged, step D7 is performed)；
D7) return.
In the whistle control system that principal and subordinate's automated back-up of the present invention switches, the flow bag from control panel
Include：
A ＇) described system initialization operation is carried out after start-up from control panel；
B ＇) the monitoring serial ports heartbeat message；
C ＇) judge whether heartbeat is normal, in this way, the master board according to the condition adjudgement of the master control borad of reception
Situation, performs step D ＇)；Otherwise, monitor first CAN and just whether the second CAN judge the master board
Often, step D ＇ are performed)；
D ＇) judge whether the master board is normal, in this way, it is controlled by the master board；Otherwise, to described
One CAN is monitored, and performs step E ＇)；
E ＇) judge whether first CAN is normal, in this way, communicated, performed using first CAN
Step F ＇)；Otherwise, the first CAN abnormal log is recorded, and carries out remote alarms, step G ＇ are performed)；
F ＇) inform that the signal lamp driving plate is switched to first CAN by first CAN broadcast,
Return to step B ＇)；
G ＇) second CAN is monitored, perform step H ＇)；
H ＇) judge whether second CAN is normal, in this way, communicated, performed using second CAN
Step I ＇)；Otherwise, the second CAN abnormal log is recorded, and carries out remote alarms, step J ＇ are performed)；
I ＇) inform that the signal lamp driving plate is switched to second CAN by second CAN broadcast,
Return to step B ＇)；
J ＇) principal and subordinate's automated back-up switching whistle control system it is abnormal, into contingency mode, return to step B ＇).
Implement the whistle control system of principal and subordinate's automated back-up switching of the present invention, have the advantages that：Due to provided with
One master board, one from master control borad, the first CAN, the second CAN and several signal lamp driving plates, work as master control
Making sheet monitor in the first CAN any one signal lamp driving plate can not normal communication when, be switched to the second CAN and enter
Row communication, when monitor in the second CAN any one signal lamp driving plate can not normal communication when, master board passes through the
One CAN or the broadcast of the second CAN inform that remaining signal lamp driving plate enters acquiescence emergency plan pattern, master board
Log and upper hair warning message；All signal lamp driving plates can not be received when master board detects the first CAN
During signal, it is switched to the second CAN and is communicated, when can not also receives all signal lamp driving plates in the second CAN
During signal, master board is informed from control panel by serial ports is controlled power switching, and Signalized control power is handed over to from control
Plate is controlled, therefore whole system can not work when can effectively solve master control borad exception and abnormal restoring needs to re-download to match somebody with somebody
The problem of putting parameter, improves the stability and reliability of whole traffic signal control system.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation in whistle control system one embodiment that principal and subordinate's automated back-up of the present invention switches；
Fig. 2 is the execution flow chart of master board in the embodiment；
Fig. 3 be the embodiment in call config update sub-process carry out configuration file renewal particular flow sheet；
Fig. 4 is execution CAN monitoring subroutine in the embodiment, monitors first CAN, the 2nd CAN total
The particular flow sheet of the state of line and all CAN nodes；
Fig. 5 is the execution flow chart in the embodiment from control panel.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
In the whistle control system embodiment that principal and subordinate's automated back-up of the present invention switches, the letter of principal and subordinate's automated back-up switching
The structural representation of number control system is as shown in Figure 1.In Fig. 1, the whistle control system of principal and subordinate's automated back-up switching includes one
Individual master board 1, one from master control borad 2, the first CAN CAN1, the second CAN CAN2 and several signal lamp driving plates
3, it is worth mentioning at this point that, a crossing may be included in multiple signal lamp driving plates 3, Fig. 1 lists two, signal as an example
Lamp driving plate 3 is according to the Signalized control scheme control signal lamp (belisha beacon) received.
In the present embodiment, master board 1 is provided with the first CAN interface 11 and the second CAN interface 12, from control panel
2 are provided with the 3rd CAN interface 21 and the 4th CAN interface 22, and each signal lamp driving plate 3 is equipped with the 5th CAN
The CAN interface 32 of interface 31 and the 6th, wherein, the first CAN interface 11, the 3rd CAN interface 21 and the 5th CAN are total
Line interface 31 is all connected on the first CAN CAN1, the second CAN interface 12, the 4th CAN interface 22 and the 6th
CAN interface 32 is all connected on the second CAN CAN2, and master board 1 is also connected by serial ports with from master board 2,
Each signal lamp driving plate 3 is also connected with corresponding signal lamp respectively, and above-mentioned serial ports can be that RS232 communication interfaces, RS422 lead to
Communication interface or RS485 communication interfaces etc., preferred RS232 communication interfaces in the present embodiment.Above-mentioned first CAN interface 11 and
Two CAN interfaces 12 are master board 1, the communication link between control panel 2 and signal lamp driving plate 3, and master board 1 is led to
Cross the first CAN CAN1 or the second CAN CAN2 and issue Signalized control scheme or collection signal to signal lamp driving plate 3
The state of lamp.
Under normal circumstances, master board 1 is communicated by the first CAN CAN1 with signal lamp driving plate 3, realizes letter
Signal lamp control program issue and signal lamp state collection etc.；Master board 1 can regularly monitor every on the first CAN CAN1
The communication state of individual signal lamp driving plate 3, if it is confirmed that wherein any one signal lamp driving plate 3 on the first CAN CAN1
Can not normal communication, then sent by the first CAN CAN1 and be broadcast to other control system and be switched to the second CAN CAN2
Communicated, confirmed while sending broadcast message by the second CAN CAN2 to all signal lamp driving plates 3.
It is being switched to after the second CAN CAN2 communicated, is passing through between master board 1 and signal lamp driving plate 3
Two CAN CAN2 are communicated, and all transmissions of Signalized control scheme and the collection of signal lamp state are all based on
Second CAN CAN2.Equally, master board 1 can regularly monitor each signal lamp driving plate 3 on the second CAN CAN2
Communication state, if it is determined that on the second CAN CAN2 wherein any one signal lamp driving plate 3 can not normal communication, then say
Bright to communicate, there is exception in device line, and now master board 1 passes through the first CAN CAN1 or the second CAN CAN2
Broadcast informs that remaining signal lamp driving plate 3 enters acquiescence emergency plan pattern, and all drivings all can be according to default emergent control
Molding formula carries out the control of signal lamp.Master board 1 is also by log information and upper hair warning message.Above-mentioned is control panel
Under normal circumstances, master board 1 is directed to the CAN handover scheme in the case of the communication state for detecting signal lamp driving plate 3.
Illustrated below to master board 1 and from the switching of control panel 2.Under normal circumstances, master board 1 passes through first
CAN CAN1 or the second CAN CAN2 are communicated with signal lamp driving plate 3, while by serial ports with entering from control panel 2
Row communication；Master board 1 and pass through serial ports timing from control panel 2 and send heartbeat message, and master board 1 can be by all configurations
Information back-up portion is to from control panel 2, while operationally also can regularly send current demand signal lights control scheme as requested
Information is to from control panel 2.It is same in addition to by keeping data interaction between serial ports and master board 1 from control panel 2, will also prison
The situation of the first CAN CAN1 or second two buses of CAN CAN2 is controlled, in case when serial ports is abnormal, can determine master
The state of control panel 1, it is ensured that Signalized control scheme will not be conflicted when sending.
The signal of all signal lamp driving plates 3 can not be received by the first CAN CAN1 when master board 1 is detected
When, then it is switched to the second CAN CAN2 and is communicated, if can not equally receives institute in the second CAN CAN2 buses
When having the signal of signal lamp driving plate 3, then informed by serial ports from control panel 2 and be controlled power switching, Signalized control is weighed
Hand over to and be controlled from control panel 2.
When the heartbeat timeout from control panel 2 and master board 1, at the same from control panel 2 monitor the first CAN CAN1 or
When the order of master board 1 is invalid on second CAN CAN2, then from the active obtaining CAN control of control panel 2, and
And broadcast informs that all signal lamp driving plates 3 receive the data from control panel 2, all Signalized control schemes are with from control panel 2
What is sent is defined, while all status informations are all sent to from control panel 2.
After abnormal master board 1 is replaced with normal master board 1, from control panel 2 can automatic identification, and
The configuration parameter for the whistle control system that current principal and subordinate's automated back-up is switched reverts to master board 2, while according to main control
The bus self-inspection situation of plate 1, judges whether to need control right transfer to master board 1, if the self-inspection of master board 1 passes through,
Then inform that the control of all signal lamp driving plates 3 is transferred into master board 1 from control panel 2 by broadcast transmission order,
Signal lamp driving plate 3 is switched over according to order, is received the data of master board 1 and is transmitted data to destination address, cuts
Change to master board 1.Master board 1 simultaneously will also send one and determine that information informs all CANs (the first CAN
CAN1 and the second CAN CAN2) on node, now by the adapter control of master board 1.
The present invention can effectively improve system reliability, in the case where exception and no manual intervention occurs in master board 1
It can still automatically switch to and continue to control from control panel 2, it is ensured that crossing normal order；Master board 1 and automatic from control panel 2
Switching can effectively reduce fault rate, the automated back-up configuration parameter of master board 1 can effectively reduce maintenance cost and
Maintenance difficulties.
In the present embodiment, master board 1 includes primary processor 13, and primary processor 13 is connected by the first CAN interface 11
It is connected on the first CAN CAN1, primary processor 13 is connected on the second CAN CAN2 by the second CAN interface 12；
Include from control panel 2 from processor 23, the first CAN CAN1 is connected to from processor 23 by the 3rd CAN interface 21
On, it is connected to from processor 23 by the 4th CAN interface 22 on the second CAN CAN2.
In the present embodiment, each signal lamp driving plate 3 includes drive control circuit 33, and drive control circuit 33 passes through the
Five CAN interfaces 31 are connected on the first CAN CAN1, and drive control circuit 33 is connected by the 6th CAN interface 32
It is connected on the second CAN CAN2, drive control circuit 33 is also connected with corresponding signal lamp.
Worth one is mentioned that, in the present embodiment, and master board 1 and the replacing from control panel 2 can use hot plug
Mode, can so ensure change control panel when do not influence the normal operation of belisha beacon.
Fig. 2 is the execution flow chart of master board in the present embodiment, and in Fig. 2, the flow of master board includes：
Step S01 master boards start completion is initialized：In this step, the initialization of master board start completion.
Step S02 judges whether configuration file is effective：In this step, judge whether configuration file is effective, if it is determined that
As a result it is yes, then performs step S04；Otherwise, step S03 is performed.
Step S03 calls config update sub-process to carry out configuration file renewal：If above-mentioned steps S02 judged result is
No, i.e., configuration file is invalid, then performs this step.In this step, config update sub-process is called to carry out configuration file renewal.Hold
Go this step, perform step S04.
Step S04 performs CAN monitoring subroutine, the first CAN of monitoring, the second CAN and all CAN nodes
State：In this step, CAN monitoring subroutine, the first CAN of monitoring, the second CAN and all CAN sections are performed
The state of point.
Step S05 performs master board and interacts sub-process from control panel：In this step, master board is performed and from control
Plate interacts sub-process, including heartbeat message and Signalized control scheme information etc..
Step S06 master boards issue control information to signal lamp driving plate according to Signalized control scheme：In this step,
Master board issues control information to signal lamp driving plate according to Signalized control scheme.
The state of the whistle control system of step S07 monitoring principal and subordinate automated back-up switchings：In this step, monitoring principal and subordinate is automatic
Back up the state of the whistle control system of switching, including signal lamp state, driving board status, power supply status and communication state etc..
Step S08 log information as requested：In this step, log information as requested.Above-mentioned steps S01
It is that circulation is performed to step S08.
For the present embodiment, above-mentioned steps S03 can also be refined further, and the flow chart after it is refined is as shown in Figure 3.
In Fig. 3, above-mentioned steps S03 further comprises：
Step S31 checks configuration status and judges whether configuration is effective：In this step, the configuration status of master board is checked
And judge whether configuration effective, if it is determined that result be yes, then execution step S32；Otherwise, step S33 is performed.
Step S32 updates configuration information to be backed up to from control panel：If above-mentioned steps S31 judged result is yes,
That is master board configuration is effective, then performs book step.In this step, update configuration information and backed up to from control panel.Hold
Go this step, perform step S38.
Step S33 obtains the configuration status from control panel by serial ports：If above-mentioned steps S31 judged result is no,
I.e. master board invalid configuration, then perform this step.In this step, the configuration status from control panel is obtained by serial ports, preferentially
Configuration status from control panel is obtained by RS232 communication interfaces.This step has been performed, step S34 is performed.
Whether step S34 judges effective from the configuration status of control panel：In this step, the configuration status from control panel is judged
Whether effectively, from control panel reduce before master board configuration information, if it is determined that result be yes, then perform step
S36；Otherwise, step S35 is performed.
Step S35 alarms need to carry out configuration parameter download by configuring client：If above-mentioned steps S34's sentences
Disconnected result is no, then performs this step.In this step, alarm needs to carry out under configuration parameter by configuring client
Carry.This step has been performed, step S38 is performed.
Step S36 obtains the configuration information from control panel and stored：If above-mentioned steps S34 judged result is
It is then to perform this step.In this step, alarm needs to carry out configuration parameter download by configuring client.Perform
Step, performs step S37.
It is effective that step S37 puts master board configuration：In this step, master board configuration is put effective.This step has been performed, has been held
Row step S38.
Step S38 is returned：In this step, return.
For the present embodiment, above-mentioned steps S04 can also be refined further, and the flow chart after it is refined is as shown in Figure 4.
In Fig. 4, above-mentioned steps S04 further comprises：
Step S41 is monitored to the first CAN, and judges whether the first CAN is normal：In this step, this step
In rapid, the first CAN is monitored, and judges whether the first CAN normal, if it is determined that result be yes, then hold
Row step S42；Otherwise, step S44 is performed.
Step S42 is communicated using the first CAN：If above-mentioned steps S41 judged result is yes, sheet is performed
Step.In this step, communicated using the first CAN.This step has been performed, step S43 is performed.
Step S43 informs that signal lamp driving plate is switched to the first CAN by the broadcast of the first CAN：In this step,
Inform that signal lamp driving plate is switched to the first CAN by the broadcast of the first CAN, performed this step, performed step
S51。
Step S44 records the first CAN abnormal log, and carries out alarm：If above-mentioned steps S41 judgement knot
Fruit is yes, then performs this step.In this step, the first CAN abnormal log is recorded, and carry out alarm.Perform
Step, performs step S45.
Step S45 is monitored to the second CAN, and judges whether the second CAN is normal：In this step, to
Two CANs are monitored, and judge whether the second CAN normal, if it is determined that result be yes, then perform step S46；
Otherwise, step S48 is performed.
Step S46 is communicated using the second CAN：If above-mentioned steps S45 judged result is yes, sheet is performed
Step.In this step, communicated using the second CAN.This step has been performed, step S47 is performed.
Step S47 informs that signal lamp driving plate is switched to the second CAN by the broadcast of the second CAN：In this step,
Inform that signal lamp driving plate is switched to the second CAN by the broadcast of the second CAN.This step has been performed, step is performed
S51。
Step S48 records the second CAN abnormal log, and carries out alarm：If above-mentioned steps S45 judgement knot
Fruit is no, then performs this step.In this step, the second CAN abnormal log is recorded, and carry out alarm.Perform
Step, performs step S49.
Step S49 is informed from control panel by serial ports takes over control：In this step, informed by serial ports from control panel
Take over control.
Step S50 discharges CAN control：In this step, CAN control is discharged.
Step S51 is returned：In this step, return.
Above-mentioned steps S41 to step S51 illustrates how total according to the first CAN CAN1 and the 2nd CAN master board is
Line CAN2 state, switches over and obtains to CAN and discharge CAN controls.
Fig. 5 be in the present embodiment from the execution flow chart of control panel, Fig. 5, include from the flow of control panel：
Step S01 ＇ carry out system initialization operation after start-up from control panel：In this step, starting from control panel
System initialization operation is carried out afterwards.
The heartbeat message of step S02 ＇ monitoring serial ports：In this step, the heartbeat message of monitoring serial port, that is, pass through
The state of RS232 communication port condition monitoring master boards.
Step S03 ＇ judge whether heartbeat is normal：In this step, judge whether heartbeat normal, if it is determined that result be
It is then to perform step S05 ＇；Otherwise, step S04 ＇ are performed.
Step S04 ＇ monitor the first CAN and the second CAN judges whether master board is normal：If above-mentioned steps
S03 ＇ judged result is no, then performs this step.In this step, the first CAN of monitoring and the second CAN judge master control
Whether making sheet is normal.This step has been performed, step S06 ＇ are performed.
Step S05 ＇ are according to the situation of the condition adjudgement master board of the master control borad of reception：If above-mentioned steps S04 ＇'s sentences
Disconnected result is yes, then performs this step.In this step, according to the situation of the condition adjudgement master board of the master control borad of reception.Hold
Go this step, perform step S06 ＇.
Step S06 ＇ judge whether master board is normal：In this step, judge whether master board is normal, if it is determined that
As a result it is yes, then performs step S07 ＇；Otherwise, step S08 ＇ are performed.
Step S07 ＇ are controlled by master board：If above-mentioned steps S06 ＇ judged result is yes, this step is performed
Suddenly.In this step, it is controlled by master board.
Step S08 ＇ are monitored to the first CAN：If above-mentioned steps S06 ＇ judged result is no, sheet is performed
Step.In this step, the first CAN is monitored.This step has been performed, step S09 ＇ are performed.
Step S09 ＇ judge whether the first CAN is normal：In this step, judge whether the first CAN is normal, if
The result judged is yes, then performs step S10 ＇；Otherwise, step S12 ＇ are performed.
Step S10 ＇ are communicated using the first CAN：If above-mentioned steps S09 ＇ judged result is yes, perform
This step.In this step, communicated using the first CAN.This step has been performed, step S11 ＇ are performed.
Step S11 ＇ inform that signal lamp driving plate is switched to the first CAN by the broadcast of the first CAN：This step
In, inform that signal lamp driving plate is switched to the first CAN by the broadcast of the first CAN.This step, return to step are performed
S02 ＇.
Step S12 ＇ record the first CAN abnormal log, and carry out remote alarms：What if above-mentioned steps S09 ＇ judged
As a result it is no, then performs this step.In this step, the first CAN abnormal log is recorded, and carry out remote alarms.Perform
This step, performs step S13 ＇.
Step S13 ＇ are monitored to the second CAN：In this step, the second CAN is monitored.Perform
Step, performs step S14 ＇.
Step S14 ＇ judge whether the second CAN is normal：In this step, judge whether the second CAN is normal, if
The result judged is yes, then performs step S15 ＇；Otherwise, step S17 ＇ are performed.
Step S15 ＇ are communicated using the second CAN：If above-mentioned steps S14 ＇ judged result is yes, perform
This step.In this step, communicated using the second CAN.This step has been performed, step S16 ＇ are performed.
Step S16 ＇ inform that signal lamp driving plate is switched to the second CAN by the broadcast of the second CAN：This step
In, inform that signal lamp driving plate is switched to the second CAN by the broadcast of the second CAN.This step, return to step are performed
S02 ＇.
Step S17 ＇ record the second CAN abnormal log, and carry out remote alarms：If above-mentioned steps S14 ＇ judgement
As a result it is no, then performs this step.In this step, the second CAN abnormal log is recorded, and carry out remote alarms.Perform
This step, performs step S18 ＇.
The whistle control system of step S18 ＇ principals and subordinates automated back-up switching is abnormal, into contingency mode：In this step, principal and subordinate
The whistle control system of automated back-up switching is abnormal, into contingency mode.This step, return to step S02 ＇ are performed.This implementation
Example can be according to the state of the state, the first CAN and the second CAN of master board, it is determined whether adapter bus marco
Power, then performs Signalized control after control is obtained, while recover normal in master board performs parameter reduction behaviour afterwards
Make etc..
In a word, the present invention realizes dual control fabrication handoff functionality using master board and by the way of control panel；Master board
All communicated with from control panel using two-way CAN bus with signal lamp driving plate；Master board and between control panel preferably
Communicated using RS232 communication interfaces, realize control information synchronization and complete heartbeat monitor.Master board and all may be used from control panel
Individually to monitor the communication state of bus apparatus in the first CAN and the second CAN；Master board and all have from control panel
There is hot drawing plugging function, and master board and the hot-swap from control panel can be realized.Therefore master control borad can effectively be solved abnormal
When whole system can not work and the problem of abnormal restoring needs to re-download configuration parameter, improve whole traffic signalization system
The stability and reliability of system.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (9)
1. a kind of whistle control system of principal and subordinate's automated back-up switching, it is characterised in that including a master board, one from master
Plate, the first CAN, the second CAN and several signal lamp driving plates are controlled, the master board is provided with the first CAN
Interface and the second CAN interface, it is described to be provided with the 3rd CAN interface and the 4th CAN interface, Mei Gesuo from control panel
State signal lamp driving plate and be equipped with the 5th CAN interface and the 6th CAN interface, first CAN interface, the 3rd
CAN interface and the 5th CAN interface are all connected in first CAN, second CAN interface,
Four CAN interfaces and the 6th CAN interface are all connected in second CAN, and the master board also passes through string
Mouth is connected with described from master board, and each signal lamp driving plate is also connected with corresponding signal lamp respectively, the master control
Making sheet issues Signalized control scheme to the signal lamp driving plate by first CAN or the second CAN or adopted
Collect the state of the signal lamp；
When the master board monitor in first CAN any one signal lamp driving plate can not normal communication when,
Then it is switched to second CAN to be communicated, when monitoring any one signal lamp driving plate in second CAN
Can not normal communication when, the master board by first CAN or the second CAN broadcast inform remaining signal
Lamp driving plate enters acquiescence emergency plan pattern, the master board log and upper hair warning message；
When the master board, which detects first CAN, can not receive the signal of all signal lamp driving plates, then cut
Change to second CAN to be communicated, when can not also receive the letter of all signal lamp driving plates in second CAN
Number when, the master board by the serial ports inform it is described be controlled power switching from control panel, Signalized control is weighed and moved
It is controlled described in being sent to from control panel.
2. the whistle control system of principal and subordinate's automated back-up switching according to claim 1, it is characterised in that the main control
Plate includes primary processor, and the primary processor is connected in first CAN by first CAN interface, institute
Primary processor is stated to be connected in second CAN by second CAN interface；It is described to include from control panel from
Device is managed, it is described to be connected to from processor by the 3rd CAN interface in first CAN, it is described from processor
It is connected to by the 4th CAN interface in second CAN.
3. the whistle control system of principal and subordinate's automated back-up switching according to claim 1 or 2, it is characterised in that Mei Gesuo
Stating signal lamp driving plate includes drive control circuit, and the drive control circuit is connected by the 5th CAN interface
Onto first CAN, the drive control circuit is connected to the 2nd CAN by the 6th CAN interface
In bus, the drive control circuit is also connected with corresponding signal lamp.
4. the whistle control system of principal and subordinate's automated back-up switching according to claim 3, it is characterised in that the main control
Plate and changing by the way of hot plug from control panel.
5. the whistle control system of principal and subordinate's automated back-up according to claim 1 switching, it is characterised in that the serial ports is
RS232 communication interfaces, RS422 communication interfaces or RS485 communication interfaces.
6. the whistle control system of principal and subordinate's automated back-up switching according to claim 1, it is characterised in that the main control
The flow of plate includes：
A) the master board start completion initialization；
B) judge whether configuration file is effective, in this way, perform step D)；Otherwise, step C is performed)；
C) call config update sub-process to carry out configuration file renewal, perform step D)；
D CAN monitoring subroutine) is performed, the shape of first CAN, the second CAN and all CAN nodes is monitored
State, performs step E)；
E) perform master board and interact sub-process from control panel；
F) master board issues control information to the signal lamp driving plate according to the Signalized control scheme；
G the state of the whistle control system of principal and subordinate's automated back-up switching) is monitored；
H) log information as requested.
7. the whistle control system of principal and subordinate's automated back-up switching according to claim 6, it is characterised in that the step C)
Further comprise：
C1) check configuration status and judge whether configuration is effective, in this way, update configuration information standby from control panel progress described in
Part, perform step C4)；Otherwise, the configuration status from control panel is obtained by the serial ports, performs step C2)；
C2) judge whether the configuration status from control panel is effective, in this way, gone forward side by side described in acquisition from the configuration information of control panel
Row storage, performs step C3)；Otherwise, alarm needs to carry out configuration parameter download by configuring client, performs step
C4)；
C3) put the master board configuration effective, perform step C4)；
C4) return.
8. the whistle control system of principal and subordinate's automated back-up switching according to claim 6 or 7, it is characterised in that the step
Rapid D) further comprise：
D1) first CAN is monitored, and judges whether first CAN is normal, in this way, using described
First CAN is communicated, and performs step D2)；Otherwise, the first CAN abnormal log is recorded, and carries out alarm and is carried
Show, perform step D3)；
D2) inform that the signal lamp driving plate is switched to first CAN by first CAN broadcast, perform
Step D7)；
D3) second CAN is monitored, and judges whether second CAN is normal, in this way, using described
Second CAN is communicated, and performs step D4)；Otherwise, the second CAN abnormal log is recorded, and carries out alarm and is carried
Show, perform step D5)；
D4) inform that the signal lamp driving plate is switched to second CAN by second CAN broadcast, perform
Step D7)；
D5) informed by the serial ports and described take over control, execution step D6 from control panel)；
D6 CAN control) is discharged, step D7 is performed)；
D7) return.
9. according to claim 6 or 7 principal and subordinate's automated back-up switching whistle control system, it is characterised in that it is described from
The flow of control panel includes：
A ＇) described system initialization operation is carried out after start-up from control panel；
B ＇) the monitoring serial ports heartbeat message；
C ＇) judge whether heartbeat is normal, in this way, the feelings of master board according to the condition adjudgement of the master control borad of reception
Condition, performs step D ＇)；Otherwise, monitor first CAN and the second CAN judge whether the master board is normal,
Perform step D ＇)；
D ＇) judge whether the master board is normal, in this way, it is controlled by the master board；Otherwise, to described first
CAN is monitored, and performs step E ＇)；
E ＇) judge whether first CAN is normal, in this way, communicated using first CAN, perform step
F ＇)；Otherwise, the first CAN abnormal log is recorded, and carries out remote alarms, step G ＇ are performed)；
F ＇) inform that the signal lamp driving plate is switched to first CAN by first CAN broadcast, return
Step B ＇)；
G ＇) second CAN is monitored, perform step H ＇)；
H ＇) judge whether second CAN is normal, in this way, communicated using second CAN, perform step
I ＇)；Otherwise, the second CAN abnormal log is recorded, and carries out remote alarms, step J ＇ are performed)；
I ＇) inform that the signal lamp driving plate is switched to second CAN by second CAN broadcast, return
Step B ＇)；
J ＇) principal and subordinate's automated back-up switching whistle control system it is abnormal, into contingency mode, return to step B ＇).
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| CN201710312501.7A CN106971586B (en) | 2017-05-05 | 2017-05-05 | The whistle control system of principal and subordinate's automated back-up switching |
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| CN201710312501.7A CN106971586B (en) | 2017-05-05 | 2017-05-05 | The whistle control system of principal and subordinate's automated back-up switching |
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