CN115097762A - Hot standby switching system of subway play controller and control method thereof - Google Patents
Hot standby switching system of subway play controller and control method thereof Download PDFInfo
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- CN115097762A CN115097762A CN202210785659.7A CN202210785659A CN115097762A CN 115097762 A CN115097762 A CN 115097762A CN 202210785659 A CN202210785659 A CN 202210785659A CN 115097762 A CN115097762 A CN 115097762A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/70—Details of trackside communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention discloses a hot standby switching system of a subway playing controller and a control method thereof, belonging to the technical field of subway communication control. The technical scheme of the invention aims to reduce the fault influence of the PIS system, does not change the built-in system of the play controller on the basis of the original networking mode, and realizes the dual-computer hot standby function by adding one standby play controller. The problems in the prior art are solved.
Description
Technical Field
The invention relates to a hot standby switching system of a subway play controller and a control method thereof, belonging to the technical field of subway communication control.
Background
The passenger information system is an important facility for improving the service quality and accelerating the transmission of various information bulletins in the subway system, and is an effective tool for improving the subway operation management level, expanding the passenger service range of the subway and improving the passenger riding experience. Once the PIS system breaks down, the train arrival information cannot be provided for the passengers, and bad travel experience is brought to the passengers. Moreover, long-term failures can cause complaints to passengers and even network public opinions, which affect passenger satisfaction and the brand image of the subway.
The subway line fault data shows that the PIS system fault rate is high and occupies about one third of the special communication system, wherein the PIS screen regional display abnormal occupancy is close to 30% due to the fault of the play controller. Aiming at the problems of high fault rate of the PIS play controller, aging of line equipment, port types and the like, the hot standby redundancy scheme of the PIS play controller is needed to solve. The PIS system is divided into a control center subsystem, a station equipment subsystem, a vehicle section equipment subsystem and a vehicle-mounted equipment subsystem, the hot standby redundancy of the playing controller researched by the text belongs to the station equipment subsystem, and the station equipment subsystem mainly comprises a server, the playing controller, an LCD screen, a switch, a time sequence power supply controller, an optical transmitter/receiver and a PIS workstation. And each station of the whole line receives the released content information from the editing and broadcasting center, organizes all LCD display screens of the station to broadcast, and uniformly controls and manages all equipment of the station. The PIS system station equipment receives and issues functions, the issued broadcast table data is received from the control center through a transmission network, and the data is connected to a station switch through optical fibers. And analyzing and processing the data through the station server, receiving a video signal from the station video server through the play controller, and outputting video and audio information through an HDMI (high-definition multimedia interface) through the play controller. The transmitter receives video and audio signals of the play controller, converts the electric signals into optical signals and transmits the optical signals to the receivers behind the PIS screen in the corresponding areas of the station hall and the station platform, and finally, the video and audio information is displayed on the PIS screen through the HDMI interface.
The design has the defects that when one play controller 1 fails, the display of the PIS screen in the whole area is abnormal, the influence range is large, and the fault tolerance rate is low. In addition, after a fault occurs, field treatment is usually required, and preparation time of spare parts and tools, and time spent in a journey affect fault handling efficiency. Therefore, how to detect the failure of the playback controller and switch the failed playback controller becomes a technical problem to be solved urgently at present.
Disclosure of Invention
The invention aims to provide a hot standby switching system of a subway play controller and a control method thereof, aiming at overcoming the defects in the prior art.
The hot standby switching system of the subway playing controller comprises a station switch, wherein the station switch is connected with a station server and a station playing controller, the station playing controller is connected with a station transmitter and a station display area, the station playing controller comprises a main playing controller and a standby playing controller, the main playing controller and the standby playing controller are connected with a switching control device, the switching control device is used for switching to the standby playing controller for playing control after the main playing controller fails, the station playing controller outputs the station playing controller to the corresponding station transmitter, and the station transmitter transmits the station transmitter to the station display area for displaying.
Further, the main play controller comprises a station hall play controller, an uplink play controller and a downlink play controller, and the station hall play controller, the uplink play controller, the downlink play controller and the standby play controller are all connected to the station switch.
Further, the switching control device comprises a one-in three-out signal switcher and three two-in one-out signal switchers, wherein the one-in three-out signal switcher is respectively connected with the standby playing controller and the three two-in one-out signal switchers, and the two-in one-out signal switchers are respectively connected with the main playing controller.
Furthermore, the switching control device is also connected with a relay module, the relay module is connected with a standby play controller through a USB, and the automatic switching of the switching control device is realized through the relay module.
Further, the station transmitter comprises a station hall transmitter, an uplink transmitter and a downlink transmitter.
Further, the station display area comprises a station hall display area, an ascending display area and a descending display area.
Furthermore, each one-in three-out signal switcher is connected with 4 HDMI lines, one HDMI line is connected with a standby playing controller, the other three HDMI lines are connected with two-in one-out signal switchers, each two-in one-out signal switcher respectively receives the HDMI lines of the three main playing controllers on the basis, the output end of each two-in one-out signal switcher is connected with a station transmitter in each area, and a PIS screen is adopted in a station display area.
The invention relates to a hot standby switching control method for a subway play controller, which comprises the following steps of:
step 1: detecting the running state of a station playing controller in real time, adding a script for detecting the running state of a main playing controller into a standby playing controller, judging that the main playing controller fails if a failure statement is returned, and capturing the failed main playing controller at the first time;
step 2: and (3) automatic configuration of the broadcast control software: the standby playing controller is configured to be empty when the main playing controller is not invalid, the standby playing controller is automatically configured after a hot standby command is triggered, the configuration process is pre-recorded by using a recorded mouse and keyboard operation program, and the standby playing controller is automatically configured by using a generated executable program;
and step 3: the USB is used for issuing a switch instruction to the corresponding relay module, line switching of HDMI signals is carried out, the video signals of the standby play controller are switched and connected to the sender corresponding to the failed main play controller, and the video signals are sent to the front-end display, so that switching of the play controller is achieved.
Further, the step of detecting the operation state of the station play controller in step 1 specifically includes the following steps:
step 11: adding a script for detecting the running state of the play controller into the standby play controller, and working under the condition that the standby play controller is not activated;
step 12: sending a data packet to three main play controllers ip of the station once every two seconds through a ping command in batch processing, and judging whether the main play controllers normally operate or not according to a data packet return result;
step 13: if the failure of one main play controller is detected, the secondary trial and check is carried out, and if the failure is accumulated for three times, the standby play controller is configured to replace the failed main play controller.
Further, after the automatic configuration program of the standby play controller in step 3 is operated, the program can judge the area supported by the fault play controller, replace the current format file as a station hall or a station platform, start the HIPIS software after the configuration is finished, and the standby play controller displays the content and the format of the original fault play controller.
Compared with the prior art, the invention has the following beneficial effects:
according to the hot standby switching system and the control method of the subway play controller, the standby play controller and the original three play controllers in the modified framework can jointly realize the control of three areas. When the equipment runs normally, the standby playing controller is not configured, the running state detection program runs simultaneously with other playing controllers, when the state detection program catches that the main playing controller fails, the added playing controller automatic configuration software is triggered, and the standby playing controller is on-line after the software configuration completely replaces the function of the failed playing controller. The standby playing controller video signal is transmitted to the three switches through the HDMI divider with one inlet and three outlets, the relay module acts during failure, the video signal transmitted by the standby playing controller automatically selects a failure area, the corresponding HDMI divider with two inlets and one outlets selects to output the signal transmitted by the standby playing controller at the moment, the signal is output to the corresponding transmitter, and the signal is transmitted to the front-end display screen through the optical fiber. The standby play controller realizes hot standby switching and fault recovery, and the display of the front-end display screen is recovered to be normal. The technical scheme of the invention aims to reduce the fault influence of the PIS system, does not change the built-in system of the play controller on the basis of the original networking mode, and realizes the dual-computer hot standby function by adding one standby play controller. The problems in the prior art are solved.
Drawings
FIG. 1 is a prior art architecture diagram of a station subsystem;
FIG. 2 is a topological diagram of a PIS play controller hot backup in an embodiment of the present invention;
FIG. 3 is a diagram of a switch according to an embodiment of the present invention;
FIG. 4 is a block diagram showing the overall flow of embodiment 2 of the method of the present invention;
fig. 5 is a block diagram of a flow of switching control software in embodiment 2 of the method of the present invention;
in the figure: 1. a station switch; 11. a station server; 12. a station hall playing controller I; 13. a second station hall play controller; 14. an upstream play controller; 15. a downstream play controller; 16. a standby play controller; 121. a station hall transmitter I; 131. a station hall transmitter II; 141. an uplink transmitter; 151. a downlink transmitter; 122. a station hall display area I; 132. a station hall display area II; 142. an up display area; 143. a downstream display area; 31. a three-in three-out signal switcher; 32. a first two-in one-out signal switcher; 33. a second in/out signal switch; 34. a second-in first-out signal switcher III; 35. a relay module.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the drawings:
example 1:
the hot standby switching system of the subway playing controller comprises a station switch 1, wherein the station switch 1 is connected with a station server 11 and a station playing controller, the station playing controller is connected with a station transmitter and a station display area, the station playing controller comprises a main playing controller and a standby playing controller 16, the main playing controller and the standby playing controller 16 are connected with a switching control device, the switching control device is used for switching to the standby playing controller 16 for playing control after the main playing controller fails, the station playing controller outputs the station playing controller to the corresponding station transmitter, and the station transmitter transmits the station transmitter to the station display area for displaying.
The main play controller comprises a station hall play controller I12, a station hall play controller II 13, an uplink play controller 14 and a downlink play controller 15, and the station hall play controller, the uplink play controller 14, the downlink play controller 15 and the standby play controller 16 are all connected to the station switch 1.
The switching control device includes a one-in three-out signal switch 31 and three two-in one-out signal switches, which are respectively: the first two-in one-out signal switch 32, the second two-in one-out signal switch 33, the third two-in one-out signal switch 34, the first one-in three-out signal switch 31 are respectively connected to the standby playback controller 16 and the three second one-in one-out signal switches, and the second two-in one-out signal switch is respectively connected to the main playback controller.
The switching control device is also connected with a relay module 35, the relay module 35 is connected with the standby play controller 16 through a USB, and the automatic switching of the switching control device is realized through the relay module.
The station transmitter comprises a station hall transmitter I121, a station hall transmitter II 131, an uplink transmitter 141 and a downlink transmitter 151.
The station display area includes a station hall display area one 122 and a station hall display area two 132, an ascending display area 142 and a descending display area 143.
Each one-in three-out signal switcher 31 is connected with 4 HDMI lines, one is connected with the standby playing controller 16, the other three are connected with two-in one-out signal switchers, each two-in one-out signal switcher respectively receives the HDMI lines of the three main playing controllers on the basis, the output end is connected with a station transmitter in each area, and a PIS screen is adopted in a station display area.
As shown in fig. 1, the overall mode of operation of the prior art station PIS system. The station switch 1 firstly receives media and control information sent by a control center, distributes the media and the control information to the station server 11 for processing in a store-and-forward mode, distributes data streams or instructions to corresponding station play controllers after the station server 11 processes data, and the corresponding station play controllers can realize corresponding play control functions according to the instructions. The design has the defects that when one play controller 1 fails, the display of the PIS screen in the whole area is abnormal, the influence range is large, and the fault tolerance rate is low. In addition, after a fault occurs, field treatment is usually required, and preparation time of spare parts and tools, and time spent in a journey affect fault handling efficiency.
As shown in fig. 2 to 3, the hot standby switching system for a subway play controller reflects an operation mode of a station PIS system after modification. The scheme is that a standby playing controller 16 is provided, a switching control device composed of a first in-three-out signal switch 31, a second in-one-out signal switch 32, a second in-one-out signal switch 33 and a third in-one-out signal switch 34 is added, a switching control program is added into the standby playing controller 16, a script of the running state of the playing controller is detected, and the standby playing controller 16 works under the non-activated state. The script sends a data packet to the three main play controllers ip of the station once every two seconds through a ping command in batch processing, and whether the main play controllers operate normally is judged according to a data packet return result. Considering that the occasional network fluctuation affects the return time of the data packet, and further affects the program to misjudge that the failure of the main play controller causes the abnormal activation of the standby play controller 16, if the failure of one play controller is detected, the retry verification is performed, and if the failure is accumulated for three times, the configuration of the standby play controller 16 is performed to replace the failed play controller.
The automatic configuration of the play controller software is an important step for the standby play controller 16 to play, the mouse and keyboard recorder is used for respectively recording the configuration processes of the play controller in different areas, and the generated executable file is called during hot standby to simulate a manual configuration process.
After the automatic configuration program of the standby play controller 16 runs, the program judges the area supported by the fault play controller, replaces the current format file to be a station hall or a station platform, starts the HIPIS software after the configuration is finished, and the standby play controller 16 displays the content and the format of the original fault play controller.
As shown in fig. 3, the composition of the hot standby switching control device of the PIS play controller is reflected. The device adopts a one-in three-out signal switcher and three two-in one-out signal switchers. Each of the one-in-three-out signal switches is connected with 4 HDMI lines, one is connected with the standby play controller 16, and the other three are connected with the two-in-one-out signal switch. On the basis, each two-in one-out signal switcher respectively receives the HDMI lines of the three original playing controllers, and the output end of each two-in one-out signal switcher is connected with a transmitter in each area. Let the switching automatic work of HDMI signal switch need increase relay module 35, relay module 35 passes through USB and connects reserve broadcast controller 16 to controlled solid state relay module reforms HDMI signal switch button switch, replaces manual button, assigns the instruction through the program, triggers the automatic switch-over of relay practice switch.
The standby play controller 16 can control the three areas together with the original three play controllers. When the device is running normally, the standby playing controller 16 is not configured and the running state detection program runs simultaneously with other playing controllers, when the state detection program catches that the main playing controller fails, the added playing controller automatic configuration software is triggered, and the standby playing controller 16 is online to completely replace the function of the failed playing controller after the software configuration is finished. The standby play controller video signal is transmitted to the three switches through the HDMI divider with one input and three outputs, the relay module 35 acts during the fault, the video signal transmitted by the standby play controller automatically selects the fault area, the corresponding signal switch with two inputs and one output selects to output the signal transmitted by the standby play controller at the moment, the signal is output to the corresponding transmitter, and the signal is transmitted to the front-end display screen through the optical fiber. The standby play controller realizes hot standby switching and fault recovery, and the display of the front-end display screen is recovered to be normal.
Example 2:
as shown in fig. 4, the method for controlling hot standby switching of a subway play controller according to the present invention includes the following steps:
step 1: detecting the running state of a station playing controller in real time, adding a script for detecting the running state of a main playing controller into a standby playing controller 16, judging that the main playing controller fails if a failure statement is returned, and capturing the failed main playing controller at the first time;
step 2: and (3) automatic configuration of the broadcast control software: the standby playing controller 16 is configured to be null when the main playing controller is not in failure, the standby playing controller 16 is automatically configured after a hot standby command is triggered, the configuration process is pre-recorded by using a recorded mouse and keyboard operation program, and the standby playing controller 16 is automatically configured by using a generated executable program;
and step 3: the switching instruction is issued to the corresponding relay module 35 through the USB, the line switching of the HDMI signal is performed, the video signal of the standby play controller 16 is switched and connected to the transmitter corresponding to the failed main play controller and sent to the front-end display, and the switching of the play controllers is realized.
Optionally, the step of detecting the operating state of the station play controller in step 1 specifically includes the following steps:
step 11: adding a script for detecting the running state of the play controller into the standby play controller 16, and working when the standby play controller 16 is not activated;
step 12: sending a data packet to three main play controllers ip of the station once every two seconds through a ping command in batch processing, and judging whether the main play controllers normally operate or not according to a data packet return result;
step 13: if a failure of one master playout controller is detected, a retry check is performed, and if three failures are accumulated, the standby playout controller 16 is configured instead of the failed master playout controller.
Optionally, after the automatic configuration program of the standby play controller 16 in step 3 is run, the program may determine an area supported by the failed play controller, replace the current format file as a station hall or a station platform, start the HIPIS software after the configuration is finished, and the standby play controller 16 displays the content and the format of the original failed play controller.
The working principle of the embodiment is as follows: to achieve the hot standby redundancy effect of the playback controller, a new function needs to be added to the standby playback controller 16. As shown in fig. 5, switching control software is added in the standby playback controller, the switching control software continuously verifies whether the main playback controller in operation is in a normal operating state through a batch processing command, and if a failure statement is returned, the program determines that the playback controller fails, so that the failed playback controller can be captured at the first time. The standby play controller 16 sets the configuration information to null when the main play controller is not in failure, repeats the three detections, and then the main play controller is abnormal, starts the hot standby command, modifies the ip of the standby play controller, stops all HIPIS services, runs the pisconfiguration, and automatically configures the standby play controller. The configuration process is prerecorded by using a recorded mouse and keyboard operation program, the generated executable program automatically configures the standby play controller, the current play controller is modified to be consistent with the version number of the server, meanwhile, a switch instruction is issued to the corresponding relay module 35 through the USB, the line switching of the HDMI signal is carried out, the video signal of the standby play controller 16 is switched and connected to the transmitter corresponding to the fault play controller and is sent to the front-end display, the hot standby of the play controller is realized, and under the condition of unattended operation, the fault is recovered in a short time.
The improvement of the method in the embodiment is that:
(1) detecting play controller run state script
The backup playback controller 16 is added with a script for detecting the running status of the playback controller, and operates in the inactive status of the backup playback controller 16. And the script sends a data packet to the three main play controllers ip of the local station once every two seconds through a ping command in batch processing, and whether the main play controllers operate normally is judged according to a data packet return result. Considering that the return time of a data packet is influenced by accidental network fluctuation, and further the influence on program misjudgment of abnormal activation of the standby play controller 16 caused by the failure of the main play controller is caused, if the failure of one play controller is detected, the check is tried again, and if three failures are accumulated, the configuration of the standby play controller is carried out to replace a failed play controller.
(2) Automatic configuration program of broadcast control software
The automatic configuration of the play controller software is an important step for the standby play controller to play a role, the mouse and keyboard recorder is utilized to record the configuration processes of the play controller in different areas respectively, and the generated executable file is called during hot standby to simulate a manual configuration flow.
(3) Station hall platform format switching
After the automatic configuration program of the standby play controller runs, the program can judge the area supported by the fault play controller, replace the current format file to be a station hall or a station platform, start the HIPIS software after the configuration is finished, and the standby play controller displays the content and the format of the original fault play controller.
After the hot standby is switched, the main state needs to be manually restored after the operation is finished. Firstly, a one-key recovery default state program in the standby machine is operated, the setting is reset, the standby state of the standby machine is recovered, and the fault condition of the main machine is processed according to the condition.
By adopting the hot standby switching system of the subway play controller and the control method thereof in the embodiment of the invention described in the attached drawings, the technical scheme of the invention aims to reduce the fault influence of the PIS system, the built-in system of the play controller is not changed on the basis of the original networking mode, the double-machine hot standby function is realized by adding one standby play controller, the transformation range of the scheme is small, and the influence on the existing equipment is small. The problems in the prior art are solved. The present invention is not limited to the embodiments described, but rather, variations, modifications, substitutions and alterations of the embodiments may be made without departing from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a subway broadcast controller is heat to be equipped with switched systems, includes station switch (1), its characterized in that: station switch (1) be connected with station server (11) and station broadcast controller, station broadcast controller is connected with the station and sends the ware and the station area of occurrence, station broadcast controller includes main broadcast controller and reserve broadcast controller (16), main broadcast controller and reserve broadcast controller (16) are connected with switching control device, switching control device is used for switching to reserve broadcast controller (16) and carries out broadcast control after main broadcast controller breaks down, and station broadcast controller exports and corresponds the station and send the ware, and the station sends the ware and send the ware to show to the station area of occurrence again.
2. The hot standby switching system of subway play controller as claimed in claim 1, wherein: the main play controller comprises a station hall play controller, an uplink play controller (14) and a downlink play controller (15), and the station hall play controller, the uplink play controller (14), the downlink play controller (15) and the standby play controller (16) are all connected to the station switch (1).
3. The system according to claim 1, wherein the system comprises: the switching control device comprises a one-in three-out signal switcher (31) and three two-in one-out signal switchers, wherein the one-in three-out signal switcher (31) is respectively connected with the standby playing controller (16) and the three two-in one-out signal switchers, and the two-in one-out signal switchers are respectively connected with the main playing controller.
4. The system according to claim 3, wherein the system comprises: the switching control device is also connected with a relay module (35), the relay module is connected with a standby play controller (16) through a USB, and automatic switching of the switching control device is achieved through the relay module (35).
5. The hot standby switching system of subway play controller as claimed in claim 1, wherein: the station transmitter comprises a station hall transmitter, an uplink transmitter (141) and a downlink transmitter (151).
6. The hot standby switching system of subway play controller as claimed in claim 1, wherein: the station display area comprises a station hall display area, an ascending display area (142) and a descending display area (143).
7. The system of claim 3, wherein the hot standby switching system of the subway play controller comprises: each one-in three-out signal switcher is connected with 4 HDMI lines, one is connected with a standby playing controller, the other three are connected with two-in one-out signal switchers, each two-in one-out signal switcher respectively receives the HDMI lines of the three main playing controllers on the basis, the output end is connected with a station transmitter in each area, and a PIS screen is adopted in a station display area.
8. A subway play controller hot standby switching control method, applied to the system as claimed in any one of claims 1-7, characterized in that: the method comprises the following steps:
step 1: detecting the running state of a station playing controller in real time, adding a script for detecting the running state of a main playing controller into a standby playing controller (16), judging that the main playing controller fails if a failure statement is returned, and capturing the failed main playing controller at the first time;
step 2: and (3) automatic configuration of the broadcast control software: the standby playing controller (16) is configured to be empty when the main playing controller is not in failure, the standby playing controller (16) is automatically configured after a hot standby command is triggered, the configuration process is pre-recorded by using a recorded mouse and keyboard operation program, and the generated executable program is used for automatically configuring the standby playing controller;
and step 3: the USB sends a switch instruction to the corresponding relay module (35) to switch the HDMI signal lines, and the video signal of the standby play controller (16) is switched and connected to the transmitter corresponding to the failed main play controller and sent to the front-end display to realize the switching of the play controller.
9. The hot standby switching control method of the subway play controller as claimed in claim 8, wherein: the step of detecting the running state of the station play controller in the step 1 specifically comprises the following steps:
step 11: adding a script for detecting the running state of the play controller into the standby play controller (16), and working under the condition that the standby play controller (16) is not activated;
step 12: sending a data packet to three main play controllers ip of the station every two seconds by a ping command in batch processing, and judging whether the main play controllers operate normally or not according to a data packet return result;
step 13: if a failure of one master playback controller is detected, a retry check is performed, and if three failures are accumulated, a standby playback controller (16) is configured to replace the failed master playback controller.
10. The hot standby switching control method of the subway play controller as claimed in claim 8, wherein: after the automatic configuration program of the standby play controller (16) in the step 3 is operated, the program can judge the area supported by the fault play controller, replace the current format file as a station hall or a station platform, start the HIPIS software after the configuration is finished, and the standby play controller (16) displays the content and the format of the original fault play controller.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210785659.7A CN115097762A (en) | 2022-07-04 | 2022-07-04 | Hot standby switching system of subway play controller and control method thereof |
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| CN202210785659.7A CN115097762A (en) | 2022-07-04 | 2022-07-04 | Hot standby switching system of subway play controller and control method thereof |
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| CN (1) | CN115097762A (en) |
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2022
- 2022-07-04 CN CN202210785659.7A patent/CN115097762A/en active Pending
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