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Transparent hydraulic support electro-hydraulic control communication system

A hydraulic support and electro-hydraulic control technology, which is applied in mine roof supports, transmission systems, digital transmission systems, etc., can solve problems such as low reliability, easy congestion, poor stability, etc., and achieve the effect of improving stability and reliability

Active Publication Date: 2019-08-02
BEIJING TIANMA INTELLIGENT CONTROL TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the technical problems of easy congestion, poor stability and low reliability in the data communication process of the hydraulic support electro-hydraulic control system in the prior art, the present invention provides a transparent hydraulic support electro-hydraulic control communication system

Method used

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  • Transparent hydraulic support electro-hydraulic control communication system
  • Transparent hydraulic support electro-hydraulic control communication system

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Experimental program
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Effect test

Embodiment 1

[0037] This embodiment provides a transparent hydraulic support electro-hydraulic control communication system, such as figure 1As shown, it includes a data communication bus 6, a plurality of support controllers 1, a signal converter 3, a trough monitoring host 4 and a ground monitoring host 5, wherein the data communication bus 6 is used to realize each support controller 1 and the signal converter 3, and the communication connection between the signal converter 3 and the trough monitoring host 4 to form a hydraulic support electro-hydraulic control communication system, and the communication system adopts the masterless communication mode to realize The transmission of real-time data in the system adopts the master-slave communication mode to realize the transmission of delayed data in the system; the communication connection between the monitoring host 4 and the monitoring host 5 on the ground can be realized through the underground ring network. Wherein, the data communic...

Embodiment 2

[0043] This embodiment provides a transparent electro-hydraulic control communication system for a hydraulic support, including a support controller 1 , a coupler 2 , a signal converter 3 , a monitoring host 4 along the groove, and a monitoring host 5 on the ground. Such as figure 2 Shown is a schematic diagram of the communication network system of the electro-hydraulic control system of the hydraulic support in this embodiment. The data on the working surface is composed of two data communication buses. One of the cables of the data communication bus 6 runs through the entire working surface, and each support controller 1 passes through the entire working surface. The communication unit is connected to the communication network on this data bus, which can realize the broadcasting, grouping, and remote point-to-point data communication of the hydraulic support control system data on the working face. It is mainly used for support sensor data, action data and operation data, e...

Embodiment 3

[0049] This embodiment provides a transparent hydraulic support electro-hydraulic control communication system. On the basis of Embodiment 2, the support controller 1, according to the set time requirements, stores the data volume of the delay data stored in the data buffer pool 11 , sent to the down-track monitoring host 4 and the ground monitoring host 5 via the data communication bus 6 . Similarly, the coupler 2, according to the set time requirement, sends the data volume of the data request stored in the transceiver storage unit 21 to the sequential monitoring host 4 and the sequential monitoring host 4 via the data communication bus 6. Describe ground monitoring host computer 5. The signal converter 3 sends the real-time data and / or delayed data stored in the sending and receiving storage module 31 to the sequential monitoring host 4 via the data communication bus 6 according to the set time requirement and the ground monitoring host 5.

[0050] And the ground monitori...

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Abstract

The invention provides a transparent hydraulic support electro-hydraulic control communication system. The system comprises a data communication bus, a support controller, a signal converter, a crossheading monitoring host and a ground monitoring host, wherein the support controller directly transmits real-time data to the signal converter through the data communication bus, and delay data is stored into a data cache pool; the crossheading monitoring host receives the real-time data forwarded by the signal converter, and / or the delay data is read from the data cache pool of the support controller; the ground monitoring host receives the real-time data and / or the delay data sent by the crossheading monitoring host. According to the scheme, the hydraulic support control system adopts non-main and main-slave communication modes, the data traffic of the non-main communication mode is decreased to 20% or lower of the total data traffic by dividing working surface data into real-time data and the delay data, the congestion degree of the communication system is effectively lowered, and the data transmission reliability and stability are improved.

Description

technical field [0001] The invention relates to the technical field of automatic control of a hydraulic support in a fully mechanized mining face, in particular to a transparent electro-hydraulic control communication system for a hydraulic support. Background technique [0002] The electro-hydraulic control system of the hydraulic support in the fully mechanized mining face is the key technology for the automatic control of the coal mine fully mechanized mining face. The network system includes multiple network units, generally between 100-250. The sensor components on the hydraulic support have many sensors, a large amount of data to be reported, many control nodes, and emergency stop, lock, stop, etc. of the working face at the same time. Commands that affect safety must be issued at any time. Therefore, the general electro-hydraulic control system of the hydraulic support adopts the no-owner method for data submission. The amount of submitted data cannot be estimated, an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21D23/12H04L12/861
CPCE21D23/12H04L49/9047
Inventor 牛剑峰李俊士李森赵文生向虎付振
Owner BEIJING TIANMA INTELLIGENT CONTROL TECH CO LTD
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