CN110748370A - Networking mode of network support electrohydraulic controller - Google Patents
Networking mode of network support electrohydraulic controller Download PDFInfo
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- CN110748370A CN110748370A CN201911201868.7A CN201911201868A CN110748370A CN 110748370 A CN110748370 A CN 110748370A CN 201911201868 A CN201911201868 A CN 201911201868A CN 110748370 A CN110748370 A CN 110748370A
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- 230000006855 networking Effects 0.000 title claims abstract description 15
- 238000004891 communication Methods 0.000 claims abstract description 33
- 238000005516 engineering process Methods 0.000 description 15
- 230000009471 action Effects 0.000 description 5
- 239000003245 coal Substances 0.000 description 5
- 238000005065 mining Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/12—Control, e.g. using remote control
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Small-Scale Networks (AREA)
Abstract
The invention discloses a networking mode of a network support electro-hydraulic controller, wherein each support of a working face is provided with the network support electro-hydraulic controller, the network support electro-hydraulic controllers between a left adjacent support and a right adjacent support are connected by adopting an inter-support cable, and a plurality of network support electro-hydraulic controllers are connected by a CAN bus through the cable; and wireless communication connection is also arranged among the plurality of network support electrohydraulic controllers. The wireless communication connection includes a 2.4gWi-Fi network connection and/or a 5G communication network connection. The controller interconnection mode has multiple modes, and the interconnection mode can be immediately converted if the cable has a fault, so that the safety and reliability of a communication network system are ensured.
Description
Technical Field
The invention relates to a hydraulic support for a coal mine, in particular to a networking mode of a network support electrohydraulic controller.
Background
The traditional control mode of the hydraulic support is that a main liquid circuit of a controlled hydraulic cylinder is directly switched by a manual control valve, and the defect of the control mode of the manual control valve is increasingly obvious along with the advancing of the underground fully-mechanized mining working face to the high-yield and high-efficiency target. At present, an electro-hydraulic controller is generally used for controlling a hydraulic support, and the electro-hydraulic control can improve the automation degree of underground coal mining, reduce the operation labor amount and enhance the safety guarantee function; the electro-hydraulic control technology is a new technology which combines an electronic technology, a computer control technology and a hydraulic technology into a whole, after data collected by a sensor is transmitted to a controller, logical operation is completed in the controller, and an electromagnetic coil driver is used for controlling the opening and closing actions of an electromagnetic valve, so that the stroke of a hydraulic actuating element (a hydraulic cylinder) and various actions of a support are controlled, and the support achieves the preset action. The controller of the electro-hydraulic control device is an important component of the electro-hydraulic control device, is equipment for realizing interaction between operators and supports, can realize convenient and quick operation of a single support or a group of supports on a working face to act according to set parameters through the controller, and can press emergency stop and locking buttons when needed to ensure underground safe production.
The working face support is a group, the electro-hydraulic control is adopted, the support has advanced functions, the coordination and the coordination of a plurality of supports are related to action, and the like, and the support can be realized only through the interconnection of the drivers of the supports. All controllers of the working face are interconnected to form a communication network system, and data communication among the controllers is realized by adopting a bus technology.
In the prior art, after the controllers are interconnected, main functions such as adjacent rack control, automatic group control, full-line emergency stop, state and fault information display and the like are realized on the basis of the control of the local rack. On the basis of the interconnection of all the working face controllers, an underground main control computer is arranged in the crossheading roadway and is connected with the working face controllers in a network mode. The main control computer collects and stores data and parameters from the working face, displays the data parameters at any time, monitors the working condition and the action state of the bracket, can also set and input control parameters, sends out a control command, can be coordinated with the coal mining machine position detection device to realize the position detection of the coal mining machine and the automatic control of the bracket based on the running position of the coal mining machine, can also bear other measurement and control tasks in the working face area, and has an interface and capability for connecting communication to a higher level or other computers.
The highest level of the electric hydraulic control system is provided with a ground monitoring station (computer) which is connected and communicated with an underground (gateway) controller through an intrinsic safety type optical fiber ring network switch and mutually transmits data information, so that the condition of a working face support can be monitored on the ground, information data can be stored, and the support can be controlled.
The working face controllers are connected together through cables to form a communication network system. At present, a CAN bus technology is mostly adopted, an electro-hydraulic control system communication network system is constructed, a controller network adopts a wireless interconnection technology, and the defects of single interconnection form and poor reliability exist.
Disclosure of Invention
The invention aims to provide a networking mode of a network support electrohydraulic controller.
The purpose of the invention is realized by the following technical scheme:
according to the networking mode of the network support electro-hydraulic controller, each support of a working face is provided with the network support electro-hydraulic controller, the network support electro-hydraulic controllers between the left adjacent support and the right adjacent support are connected through cables among the supports, and the plurality of network support electro-hydraulic controllers are connected through the cables to realize CAN bus connection;
and wireless communication connection is also arranged among the plurality of network support electrohydraulic controllers.
According to the technical scheme provided by the invention, the networking mode of the network support electro-hydraulic controller provided by the embodiment of the invention is characterized in that the controller interconnection mode coexists in multiple modes, and the networking mode can be immediately switched if a cable fails, so that the safety and the reliability of a communication network system are ensured.
Drawings
Fig. 1 is a front view of a network support electrohydraulic controller in an embodiment of the present invention.
Fig. 2 is a rear view of a network support electrohydraulic controller in an embodiment of the present invention.
Fig. 3 is a left side view of the network support electrohydraulic controller in an embodiment of the present invention.
Fig. 4 is a right side view of the network support electro-hydraulic controller in an embodiment of the invention.
Fig. 5 is a bottom view of the network support electrohydraulic controller in an embodiment of the present invention.
Fig. 6 is a top view of a network support electrohydraulic controller in an embodiment of the present invention.
In the figure: 1. controller human-computer interface fretwork handle and controller base's ear connect the plug structure.
Detailed Description
The embodiments of the present invention will be described in further detail below. Details which are not described in detail in the embodiments of the invention belong to the prior art which is known to the person skilled in the art.
The invention discloses a networking mode of a network support electrohydraulic controller, which has the following preferred specific implementation modes:
each support of the working face is provided with a network support electro-hydraulic controller, the network support electro-hydraulic controllers between the left adjacent support and the right adjacent support are connected by adopting an inter-support cable, and the plurality of network support electro-hydraulic controllers are connected by a CAN bus through the cable;
and wireless communication connection is also arranged among the plurality of network support electrohydraulic controllers.
The wireless communication connection includes a 2.4gWi-Fi network connection and/or a 5G communication network connection.
The networking mode of the network support electrohydraulic controller of the invention has the advantages that multiple modes of controller interconnection mode coexist, and the networking mode can be immediately switched if a cable has a fault, thereby ensuring the safety and reliability of a communication network system.
The CAN bus technology is adopted, the communication network system of the electro-hydraulic control system is constructed, and the system has the characteristics of safety, reliability, high standardization degree and the like and meets the standard of industrial design;
Wi-Fi technology is adopted, and IEEE 802.11n (fourth generation) wireless standard is supported;
the 5G technology is adopted, supporting IEEE 802.11ac (fifth generation) standard.
The specific embodiment is as follows:
the electro-hydraulic control communication network taking the network support electro-hydraulic controller shown in fig. 1 to 6 as a core has the design concepts of safety, reliability, high standardization and the like. Multiple networking technologies coexist, multiple communication modes can be flexibly selected, the network safety and reliability are guaranteed, the network development trend is adapted, and technical preparation is made for introducing new communication technologies.
When the communication network system has a fault, the fault point can be accurately positioned, the communication system can be automatically jumped to a set communication mode from the fault point, and the normal operation of the system is ensured.
The network support electrohydraulic controller between the left adjacent frame and the right adjacent frame is connected by an inter-frame cable, the cable provides CAN bus connection while providing power transmission, and CAN communication is preferred during controller communication.
The network support electro-hydraulic controller CAN select a 2.4gWi-Fi network, and automatically skips to wireless communication when CAN communication is interrupted;
5G communication supporting IEEE 802.11ac (fifth generation) standard provides technical preparation for high-speed data transmission of a controller.
A communication network networking mode;
preferably, a CAN bus mode is selected for data transmission;
automatically switching to wireless communication when the wired communication fails;
and 5G technology is supported, technology preparation is made for 5G access, and the 5G network is accessed at any time.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (2)
1. A networking mode of a network support electro-hydraulic controller is characterized in that each support of a working face is provided with the network support electro-hydraulic controller, the network support electro-hydraulic controllers between a left adjacent support and a right adjacent support are connected through an inter-support cable, and a plurality of network support electro-hydraulic controllers are connected through a CAN bus through the cable;
and wireless communication connection is also arranged among the plurality of network support electrohydraulic controllers.
2. A networking arrangement for a network supported electro-hydraulic controller according to claim 1, wherein the wireless communication connection comprises a 2.4gWi-Fi network connection and/or a 5G communication network connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911201868.7A CN110748370A (en) | 2019-11-29 | 2019-11-29 | Networking mode of network support electrohydraulic controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911201868.7A CN110748370A (en) | 2019-11-29 | 2019-11-29 | Networking mode of network support electrohydraulic controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110748370A true CN110748370A (en) | 2020-02-04 |
Family
ID=69285118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911201868.7A Pending CN110748370A (en) | 2019-11-29 | 2019-11-29 | Networking mode of network support electrohydraulic controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110748370A (en) |
-
2019
- 2019-11-29 CN CN201911201868.7A patent/CN110748370A/en active Pending
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