Mineral hydraulic bracket controller, bracket control system and communication method

Abstract

The invention provides a mineral hydraulic bracket controller. The controller comprises a processor module, a first signal conditioning module, a second signal conditioning module, a first communication interface and a second communication interface, wherein the processor module generates a data frame signal or processes the data frame signal; the first signal conditioning module is connected with the first communication interface and the processor module, receives the data frame signal of a first adjacent mineral hydraulic bracket controller, reshapes and filters the data frame signal, and transmits the signal to the processor module for processing; the second signal conditioning module is connected with the second communication interface and the processor module; and the data frame signal transmitted by the processor module is received, filtered amplified and transmitted to a second adjacent mineral hydraulic bracket controller. The invention also provides a bracket controller system consisting of a plurality of mineral hydraulic bracket controllers and a corresponding communication method, so that remote transmission can be realized without a relay and a network terminator, andparts and cost can be saved.

Description

technical field [0001] The invention relates to a mining hydraulic support controller used for a hydraulic support of a coal mine fully mechanized mining face, a support control system composed of the mine hydraulic support controller and a communication method thereof. Background technique [0002] Application No. 200710118488.8 discloses a mine hydraulic support controller composed of a single-wire CAN bus, such as figure 1 Shown: The mining hydraulic support controller is connected through a single-chip microcomputer module and four CAN communication circuits composed of single-wire CAN transceivers and CAN controllers. The data information sent by the single-chip microcomputer module is analyzed through CAN transceivers and CAN controllers. Afterwards, a data frame signal conforming to the CAN protocol is generated to communicate with the adjacent support or the monitoring host of the electro-hydraulic control system. [0003] However, because the CAN communication prot...

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Problems solved by technology

[0003] However, because the CAN communication protocol standard is not set for the coal mining industry, due to the limitations of the CAN communication protocol itself, the bus often has a maximum number of nodes. Therefore, in the absence of repeaters, the existing Technology cannot achieve long-distance high-speed data transmission, so the number of network nodes is limited; for communication protocols in the form of a bus, network terminators need to be added at both ends of the main line

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