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CN-122027385-A - Multilink redundancy control system and method

CN122027385ACN 122027385 ACN122027385 ACN 122027385ACN-122027385-A

Abstract

The invention provides a multilink redundancy control system and method, wherein the system comprises a data acquisition device, a controller and a server, wherein the data acquisition device is used for acquiring data of a fully-mechanized mining face, the controller is used for receiving the data acquired by the data acquisition device and transmitting the data to the server through a plurality of redundancy interfaces of the controller, the controller comprises a plurality of redundancy interfaces, each redundancy interface is provided with a corresponding communication link, each communication link is connected with the corresponding redundancy interface, and communication protocols of the communication links corresponding to the redundancy interfaces are different from each other. The system can adapt to severe conditions such as high temperature and high humidity, large inclination angle, complex electromagnetic environment and the like, ensures that the data transmission of the electrohydraulic control system of the hydraulic support is not influenced by single link faults, reduces potential safety hazards caused by communication problems, and enhances the data acquisition and control capacity of the fully mechanized mining face.

Inventors

  • FENG PEI

Assignees

  • 北京天玛智控科技股份有限公司
  • 北京煤科天玛自动化科技有限公司

Dates

Publication Date
20260512
Application Date
20241111

Claims (10)

  1. 1. A multi-link redundancy control system, the system comprising: the data acquisition equipment is used for acquiring data of the fully-mechanized coal mining face; the controller receives the data acquired by the data acquisition equipment and sends the data to the server through a plurality of redundant interfaces of the controller via communication links, wherein the controller comprises a plurality of redundant interfaces, and each redundant interface is provided with a corresponding communication link; and a plurality of communication links, each communication link is respectively connected with a corresponding redundant interface, and the communication protocols of the communication links corresponding to the plurality of redundant interfaces are different from each other.
  2. 2. The multi-link redundancy control system of claim 1, wherein the operating mode of the plurality of redundant interfaces is determined when the data is sent to the server via the communication link over the plurality of redundant interfaces of the controller; When the working mode of the redundant interfaces is a first mode, monitoring the link state of the communication link through the controller, sending the link state of the communication link to a server, and respectively sending the data to the server through the communication links corresponding to the redundant interfaces, so that the server selects one communication link with the best signal quality according to the link state to receive the data; And when the working mode of the redundant interfaces is a second mode, monitoring the link state of the communication links, and selecting a communication link corresponding to one of the redundant interfaces to send the data to the server so that the server receives the data through the communication link.
  3. 3. The multi-link redundancy control system of claim 1, wherein said communication links comprise at least one of an Ethernet communication link, a 5G communication link, a Bluetooth communication link, and a WiFi communication link; the Ethernet communication link includes a network switch; the 5G communication link comprises a 5G module, a 5G base station and a 5G core network which are integrated in a controller; The Bluetooth communication link comprises a Bluetooth communication module integrated with the controller; The WiFi communication link comprises a wireless Access Point (AP) module.
  4. 4. The multi-link redundancy control system of claim 3, wherein said controller comprises a switch and a controller core board; The switch is connected with the controller core board through a first communication RMII interface so as to perform interaction of Ethernet data; The switch is connected with the controller core board through a second communication SPI interface and is used for accessing and configuring a register of the switch; the switch is connected with the data acquisition equipment through a peripheral interface and is used for acquiring data acquired by the data acquisition equipment; the 5G module is connected with the switch through a first serial SGMII interface to realize the transmission of the data; the 5G module is connected with the switch through a second serial UART interface; And the 5G module sends the data to a server through a 5G base station and a 5G core network.
  5. 5. The multi-link redundancy control system of claim 2, wherein, After monitoring the link state of the communication link, updating, by the controller, a state flag of the communication link as an active state or an inactive state according to the link state of the communication link; when the working mode of the redundant interface is a first mode, the data are respectively sent to a server through a plurality of communication links corresponding to the redundant interface in an active state; And when the working mode of the redundant interface is a second mode, selecting a communication link corresponding to one redundant interface from the redundant interfaces in an active state to send the data to the server.
  6. 6. The multi-link redundancy control system of claim 1 or 2, wherein the link status of the communication link is monitored by the controller, and wherein the link quality indicator of the communication link is monitored, the link quality indicator comprising at least one of signal strength, bit error rate, delay, packet loss rate, and throughput.
  7. 7. The multiple link redundancy control system of claim 2, wherein in the first mode, each of the communication links corresponds to a protection channel; And the controller transmits the data in the communication link and the corresponding protection channel at the same time, so that the server is switched to the protection channel corresponding to the communication link with the best signal quality to receive the data when detecting that the communication link with the best signal quality fails.
  8. 8. The multiple link redundancy control system of claim 2, wherein in the second mode, a plurality of said communication links correspond to a protection channel; And when the controller detects that a communication link for transmitting data is failed, the controller switches the data to be transmitted to the protection channel so that the server receives the data through the protection channel.
  9. 9. A method of multilink redundancy control, for use in a multilink redundancy control system as claimed in any one of claims 1 to 8, the method comprising: Receiving data acquired by the data acquisition equipment through the controller; The data is sent to the server via a plurality of redundant interfaces of the controller, wherein each communication link is respectively connected with a corresponding redundant interface, and communication protocols of the communication links corresponding to the plurality of redundant interfaces are different from each other.
  10. 10. The method of claim 9, wherein when the data is transmitted to a server via a communication link through a plurality of redundant interfaces of the controller, the method further comprises: determining, by the controller, a mode of operation of the plurality of redundant interfaces; When the working mode of the redundant interfaces is a first mode, monitoring the link state of the communication link through the controller, sending the link state of the communication link to a server, and respectively sending the data to the server through the communication links corresponding to the redundant interfaces, so that the server selects one communication link with the best signal quality according to the link state to receive the data; and when the working mode of the redundant interfaces is a second mode, monitoring the link state of the communication links through the controller, and selecting one of the communication links corresponding to one of the redundant interfaces to send the data to the server so that the server receives the data through the communication link.

Description

Multilink redundancy control system and method Technical Field The present invention relates to the field of communications technologies, and in particular, to a system and a method for controlling multiple links redundancy. Background In the field of intelligent exploitation, particularly on working surfaces under complex geological conditions such as coal mines, the communication stability and reliability of an electrohydraulic control system of a hydraulic support are important. Currently, the main-flow electrohydraulic control system of a working surface mainly depends on a single wired link, and comprises an electrohydraulic control system based on a CAN bus and an electrohydraulic control system based on an Ethernet link. These systems all employ a single communication link for data transmission and are wired communications. When the hydraulic support is faced with multiple factors such as high temperature and high humidity, large working face inclination angle, complex electromagnetic environment and the like, the communication stability and the anti-interference capability are poor in performance, the accurate control and the data transmission of the hydraulic support are seriously affected, and potential safety hazards exist. Disclosure of Invention The invention provides a multilink redundancy control system and method, which are used for solving the defects of poor communication stability and interference resistance performance and potential safety hazard in the prior art. The invention provides a multi-link redundancy control system, which comprises: the data acquisition equipment is used for acquiring data of the fully-mechanized coal mining face; the controller receives the data acquired by the data acquisition equipment and sends the data to the server through a plurality of redundant interfaces of the controller via communication links, wherein the controller comprises a plurality of redundant interfaces, and each redundant interface is provided with a corresponding communication link; and a plurality of communication links, each communication link is respectively connected with a corresponding redundant interface, and the communication protocols of the communication links corresponding to the plurality of redundant interfaces are different from each other. According to the multilink redundancy control system provided by the invention, when the data is sent to the server through a plurality of redundancy interfaces of the controller by a communication link, the working modes of the plurality of redundancy interfaces are determined; When the working mode of the redundant interfaces is a first mode, monitoring the link state of the communication link through the controller, sending the link state of the communication link to a server, and respectively sending the data to the server through the communication links corresponding to the redundant interfaces, so that the server selects one communication link with the best signal quality according to the link state to receive the data; And when the working mode of the redundant interfaces is a second mode, monitoring the link state of the communication links, and selecting a communication link corresponding to one of the redundant interfaces to send the data to the server so that the server receives the data through the communication link. The multi-link redundancy control system provided by the invention comprises at least one of an Ethernet communication link, a 5G communication link, a Bluetooth communication link and a WiFi communication link; the Ethernet communication link includes a network switch; the 5G communication link comprises a 5G module, a 5G base station and a 5G core network which are integrated in a controller; The Bluetooth communication link comprises a Bluetooth communication module integrated with the controller; The WiFi communication link comprises a wireless Access Point (AP) module. The invention provides a multilink redundancy control system, which comprises a switch and a controller core board, wherein the switch is connected with the controller core board; The switch is connected with the controller core board through a first communication RMII interface so as to perform interaction of Ethernet data; The switch is connected with the controller core board through a second communication SPI interface and is used for accessing and configuring a register of the switch; the switch is connected with the data acquisition equipment through a peripheral interface and is used for acquiring data acquired by the data acquisition equipment; the 5G module is connected with the switch through a first serial SGMII interface to realize the transmission of the data; the 5G module is connected with the switch through a second serial UART interface; And the 5G module sends the data to a server through a 5G base station and a 5G core network. According to the multi-link redundancy control system provided by the invention, after the link st