Hydraulic support control system for fully mechanized coal mining face

Abstract

The application relates to the technical field of hydraulic supports, in particular to a fully-mechanized coal mining face hydraulic support control system. The fully-mechanized coal mining face hydraulic support control system comprises multiple intelligent network controllers, multiple power supply boxes and multiple support driving assemblies; the multiple intelligent network controllers are electrically connected with the multiple power supply boxes in one-to-one correspondence, each intelligent network controller is electrically connected with the multiple support driving assemblies; and the multiple intelligent network controllers are sequentially electrically connected and accessed to a ring network. Therefore, each power supply box of the fully-mechanized coal mining face hydraulic support control system only supplies power for a single intelligent network controller, and each intelligent network controller can simultaneously control multiple support driving assemblies, the cable connection complexity is obviously simplified, the cable use is reduced, the cable cost is saved, and the risk of communication failure caused by cable damage and poor contact is reduced, so that the communication failure rate is reduced.

Description

Technical Field

[0001] This application relates to the field of hydraulic support technology, and in particular to a hydraulic support control system for a fully mechanized mining face. Background Technology

[0002] With the continuous improvement of automation and intelligence in fully mechanized coal mining, the hydraulic support control system for fully mechanized mining faces has become a key technical equipment for realizing unmanned or minimally manned working faces. The hydraulic support control system receives detection data from various sensors through a controller and sends control commands to the solenoid valve drivers, driving the actuators of the hydraulic support to perform corresponding actions, thereby achieving precise control over various movements of the hydraulic support.

[0003] Currently, common hydraulic support control systems typically use a single controller or multiple controllers to control a single hydraulic support, with each controller connected to a single power supply box. Since a longwall mining face usually has many hydraulic supports, each controller requires a large number of connecting cables, resulting in complex cable connections, cumbersome deployment, and frequent issues with cable and connector damage and poor contact.

[0004] There is an urgent need to develop a hydraulic support control system for fully mechanized mining faces that features simple cable connections, high efficiency, and higher reliability. Summary of the Invention

[0005] The purpose of this application is to provide a hydraulic support control system for fully mechanized mining faces, so as to solve to some extent the technical problems of complex cable connections and easy damage leading to frequent poor contact in traditional hydraulic support control systems in the prior art.

[0006] This application provides a hydraulic support control system for a fully mechanized mining face, including multiple intelligent network controllers, multiple power supply boxes, and multiple support drive components; Each of the intelligent network controllers is electrically connected to one of the power supply boxes, and each intelligent network controller is electrically connected to one of the bracket drive components. Multiple intelligent network controllers are sequentially electrically connected and connected to the ring network.

[0007] In the above technical solution, the hydraulic support control system for the fully mechanized mining face further includes a warning device, a pan-tilt camera device, and a wireless sensing component; Each of the intelligent network controllers is electrically connected to the warning device and the pan-tilt camera device via an Ethernet cable; Each of the aforementioned intelligent network controllers is electrically connected to the wireless sensing component via a wireless communication network.

[0008] In any of the above technical solutions, the intelligent network controller further includes a main control unit, a network switching unit, and a wireless conversion access unit; The main control unit is electrically connected to the bracket drive assembly, the warning device, and the pan-tilt camera device via an Ethernet cable. The main control unit is electrically connected to the wireless conversion access unit via the network switching unit. The wireless conversion access unit is connected to the wireless sensing assembly via Zigbee. The network switching units of two adjacent intelligent network controllers are electrically connected via 2k Ethernet cables.

[0009] In any of the above technical solutions, the power supply box further includes a first intrinsically safe power supply, a second intrinsically safe power supply, a third intrinsically safe power supply, and a fourth intrinsically safe power supply; The first intrinsically safe power supply is electrically connected to the warning device through the main control unit to supply power to the warning device; The second intrinsically safe power supply is electrically connected to the multiple bracket drive components through the main control unit to supply power to the bracket drive components; The third intrinsically safe power supply is electrically connected to the intelligent network controller through the main control unit to supply power to the intelligent network controller; The fourth intrinsically safe power supply is electrically connected to the pan-tilt camera device through the main control unit to supply power to the pan-tilt camera device.

[0010] In any of the above technical solutions, two adjacent intelligent network controllers and their corresponding wireless sensing components are further connected via Zigbee channels.

[0011] In any of the above technical solutions, the hydraulic support control system for the fully mechanized mining face further includes a fiber optic converter, the intelligent network controller is electrically connected to the fiber optic converter via the 2k Ethernet cable, and the ring network is electrically connected to the fiber optic converter via an optical fiber.

[0012] In any of the above technical solutions, the main control unit further includes a memory computing chip, which is used to recognize voice commands and generate control signals according to the voice commands.

[0013] In any of the above technical solutions, the power supply box is further electrically connected to the corresponding intelligent network controller via a 4k Ethernet cable.

[0014] In any of the above technical solutions, the wireless sensing component further includes at least one of a wireless infrared receiver, a wireless pressure sensor, a wireless travel sensor, and a wireless tilt sensor.

[0015] In any of the above technical solutions, the support drive assembly further includes a solenoid valve driver, a valve body, and a hydraulic support connected in sequence; The solenoid valve driver can drive the valve body to switch states, and the hydraulic support responds to the state change of the valve body by performing corresponding actions.

[0016] Compared with the prior art, the beneficial effects of this application are as follows: The hydraulic support control system for fully mechanized mining faces provided in this application includes multiple intelligent network controllers, multiple power supply boxes, and multiple support drive components. Each intelligent network controller is electrically connected to one of the power supply boxes, and each intelligent network controller is electrically connected to multiple support drive components. The multiple intelligent network controllers are sequentially connected and connected to a ring network. Therefore, each power supply box in this hydraulic support control system supplies power to only one intelligent network controller, and each intelligent network controller can simultaneously control multiple support drive components. Compared with related technologies where each hydraulic support requires a controller and a power supply box, the number of intelligent network controllers used is significantly reduced, significantly simplifying the structure of the control system and the complexity of cable connections, reducing cable usage, saving cable costs, and lowering the risk of communication failures due to cable damage or poor contact, thereby reducing the communication failure rate. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the specific embodiments of this application or the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram illustrating the structural principle of the hydraulic support control system for a fully mechanized mining face provided in an embodiment of this application. Figure 2 A schematic diagram of the structural principle of the intelligent network controller of the hydraulic support control system for a fully mechanized mining face provided in the embodiments of this application; Figure 3 A schematic diagram of the power supply principle of the power supply box of the hydraulic support control system for the fully mechanized mining face provided in the embodiments of this application. Detailed Implementation

[0019] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0022] See Figures 1 to 3 As shown, an embodiment of this application provides a hydraulic support control system for a fully mechanized mining face, used to control the execution actions of the hydraulic supports on the fully mechanized mining face.

[0023] In the optional embodiment, the hydraulic support control system for the fully mechanized mining face includes multiple intelligent network controllers, multiple power supply boxes, and multiple support drive components.

[0024] The support drive assembly includes a hydraulic support on the longwall mining face and is capable of driving the hydraulic support to perform actions. The support drive assembly may also include a solenoid valve actuator and a valve body. The solenoid valve actuator can drive the valve body to switch states, and the hydraulic support responds to the state changes of the valve body to perform corresponding actions, thereby enabling the hydraulic support to switch to perform actions such as moving or supporting. Optionally, the valve body is a solenoid valve.

[0025] like Figure 1As shown, multiple intelligent network controllers are electrically connected to multiple power supply boxes in a one-to-one correspondence. Each intelligent network controller is electrically connected to multiple support drive components, so each power supply box only supplies power to a single intelligent network controller, and each intelligent network controller can control multiple support drive components simultaneously. Compared with the related technologies where each hydraulic support requires a controller and a power supply box, the number of intelligent network controllers used is significantly reduced compared to the number of traditional controllers. This significantly simplifies the structure of the control system and the complexity of cable connections, reduces cable usage, saves cable costs, and reduces the risk of communication failures caused by cable damage or poor contact, thereby reducing the communication failure rate.

[0026] Multiple intelligent network controllers are sequentially connected to and access the ring network. Real-time data from these controllers can be transmitted to the ground-based central control center via the ring network, and control commands from the ground can be received through the ring network.

[0027] Optionally, each intelligent network controller may be electrically connected to two bracket drive components, or to four bracket drive components, or to more bracket drive components, without limitation.

[0028] In the optional embodiment, the hydraulic support control system for the fully mechanized mining face also includes a warning device, a pan-tilt camera device, and a wireless sensing component.

[0029] The wireless sensing components may include a wireless infrared receiver, a wireless pressure sensor, a wireless stroke sensor, and a wireless tilt sensor, used for monitoring the hydraulic support. The pan-tilt camera device includes a pan-tilt camera, used to dynamically track the working status of the hydraulic support.

[0030] Optionally, the warning device includes a warning light.

[0031] Each intelligent network controller is electrically connected to the warning device and the pan-tilt camera via Ethernet cable. Each intelligent network controller is also electrically connected to the wireless sensing component via a wireless communication network. This wireless communication method further reduces cable usage and connections, and further lowers the communication failure rate.

[0032] In the optional solutions of this embodiment, such as Figure 2 As shown, the intelligent network controller includes a main control unit, a network switching unit, and a wireless conversion access unit.

[0033] The main control unit is electrically connected to the bracket drive assembly, warning device, and pan-tilt camera device via Ethernet cable. Specifically, the main control unit is directly electrically connected to the solenoid valve actuators of multiple bracket drive assemblies via Ethernet cable, thereby enabling the main control unit to interact with the warning device, pan-tilt camera device, and multiple bracket drive assemblies.

[0034] The main control unit is electrically connected to the wireless conversion access unit via the network switching unit. The wireless conversion access unit is connected to the wireless sensing components via Zigbee, such as... Figure 1 and Figure 2 As shown, the Zigbee wireless communication network is illustrated by the dashed line, enabling the main control unit to receive monitoring data from the wireless sensing components via the wireless conversion access unit and Zigbee.

[0035] The network switching units of two adjacent intelligent network controllers are electrically connected via 2k Ethernet cables, enabling information exchange between the two adjacent intelligent network controllers through the network interaction unit. Furthermore, the use of highly reliable 2k Ethernet cables provides a stable network support environment for subsequent edge intelligence deployments.

[0036] In this optional scheme, the intelligent network controller is configured to integrate control and data transmission functions. The main control unit of the intelligent network controller receives monitoring data from the pan-tilt camera and wireless sensing components, transmits the received monitoring data to the network switching unit, and then transmits it through the network switching units of adjacent intelligent network controllers, ultimately reaching the ground-based central control center via a ring network. Furthermore, the network switching unit of the intelligent network controller receives control commands from the central control center of the ring network from the network switching units of adjacent intelligent network controllers and transmits the control commands to its own main control unit. The main control unit then transmits the control commands to the support drive components, pan-tilt camera, and warning devices, thus realizing the control function. This achieves reliable communication of monitoring data and control commands throughout the hydraulic support control system of the entire longwall mining face.

[0037] Optionally, as a specific example, each smart network controller can connect to a wireless infrared receiver, one or two wireless pressure sensors, one wireless travel sensor, and four wireless tilt sensors via Zigbee.

[0038] In an optional embodiment, two adjacent intelligent network controllers and their corresponding wireless sensing components are connected via Zigbee channels to ensure the isolation and accuracy of the monitoring data transmitted via wireless communication.

[0039] In an optional embodiment, the main control unit includes a memory-in-memory computing chip. This chip recognizes voice commands and generates control signals based on them, thereby enabling local voice control of the support drive assembly and allowing the hydraulic support to perform actions via voice control. Compared to traditional external control command input devices, this intelligent network controller has no buttons or display screen, further improving its functional integration, reducing cable complexity, and effectively improving control efficiency and safety.

[0040] In the optional solutions of this embodiment, such as Figure 3 As shown, the power supply box includes a first intrinsically safe power supply, a second intrinsically safe power supply, a third intrinsically safe power supply, and a fourth intrinsically safe power supply.

[0041] The first intrinsically safe power supply is electrically connected to the warning device to supply power to the main control unit and the warning device; the second intrinsically safe power supply is electrically connected to multiple bracket drive components through the main control unit to supply power to the bracket drive components; the third intrinsically safe power supply is electrically connected to the intelligent network controller through the main control unit to supply power to the intelligent network controller; the fourth intrinsically safe power supply is electrically connected to the pan-tilt camera device through the main control unit to supply power to the pan-tilt camera device. This enables the warning device, intelligent network controller, pan-tilt camera device, and multiple bracket drive components to be powered by a single power supply box, and each device is powered independently, avoiding the situation where the power supply to multiple devices fails due to the failure of a single intrinsically safe power supply.

[0042] In an optional embodiment, the power supply box is electrically connected to the corresponding intelligent network controller via a 4k Ethernet cable. By using the 4k Ethernet cable, more diverse data transmission is supported, enabling more control tasks and data processing tasks to communicate and transmit within the intelligent network controller. This lays the structural foundation for electrically connecting multiple bracket drive components through the same power supply box and the same intelligent network controller.

[0043] In an optional embodiment, the hydraulic support control system for the fully mechanized mining face further includes a fiber optic converter. The intelligent network controller is electrically connected to the fiber optic converter via a 2k Ethernet cable, and the ring network is electrically connected to the fiber optic converter via an optical fiber. Thus, by setting up the fiber optic converter, the ring network can be compatible with the data transmitted by each intelligent network controller via the 2k Ethernet cable.

[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention. In addition, those skilled in the art can understand that although some embodiments described herein include certain features included in other embodiments but not other features, combinations of features of different embodiments are meant to be within the scope of the present invention and form different embodiments. For example, any one of the claimed embodiments can be used in any combination. The information disclosed in this background section is only intended to enhance the understanding of the overall background technology of the present invention, and should not be regarded as an admission or in any form implying that such information constitutes prior art known to those skilled in the art.

Claims

1. A hydraulic support control system for a fully mechanized mining face, characterized in that, Includes multiple intelligent network controllers, multiple power supply boxes, and multiple bracket drive components; Each of the intelligent network controllers is electrically connected to one of the power supply boxes, and each intelligent network controller is electrically connected to one of the bracket drive components. Multiple intelligent network controllers are sequentially electrically connected and connected to the ring network.

2. The hydraulic support control system for a fully mechanized mining face according to claim 1, characterized in that, It also includes warning devices, pan-tilt-zoom (PTZ) cameras, and wireless sensing components; Each of the intelligent network controllers is electrically connected to the warning device and the pan-tilt camera device via an Ethernet cable; Each of the aforementioned intelligent network controllers is electrically connected to the wireless sensing component via a wireless communication network.

3. The hydraulic support control system for a fully mechanized mining face according to claim 2, characterized in that, The intelligent network controller includes a main control unit, a network switching unit, and a wireless conversion access unit; The main control unit is electrically connected to the bracket drive assembly, the warning device, and the pan-tilt camera device via an Ethernet cable. The main control unit is electrically connected to the wireless conversion access unit via the network switching unit. The wireless conversion access unit is connected to the wireless sensing assembly via Zigbee. The network switching units of two adjacent intelligent network controllers are electrically connected via 2k Ethernet cables.

4. The hydraulic support control system for a fully mechanized mining face according to claim 3, characterized in that, The power supply box includes a first intrinsically safe power supply, a second intrinsically safe power supply, a third intrinsically safe power supply, and a fourth intrinsically safe power supply; The first intrinsically safe power supply is electrically connected to the warning device through the main control unit to supply power to the warning device; The second intrinsically safe power supply is electrically connected to the multiple bracket drive components through the main control unit to supply power to the bracket drive components; The third intrinsically safe power supply is electrically connected to the intelligent network controller through the main control unit to supply power to the intelligent network controller; The fourth intrinsically safe power supply is electrically connected to the pan-tilt camera device through the main control unit to supply power to the pan-tilt camera device.

5. The hydraulic support control system for a fully mechanized mining face according to claim 3, characterized in that, The two adjacent intelligent network controllers and their corresponding wireless sensing components are connected via Zigbee channels.

6. The hydraulic support control system for a fully mechanized mining face according to claim 3, characterized in that, It also includes a fiber optic converter, the intelligent network controller is electrically connected to the fiber optic converter via the 2k Ethernet cable, and the ring network is electrically connected to the fiber optic converter via an optical fiber.

7. The hydraulic support control system for a fully mechanized mining face according to claim 3, characterized in that, The main control unit includes an in-memory computing chip, which is used to recognize voice commands and generate control signals according to the voice commands.

8. The hydraulic support control system for a fully mechanized mining face according to claim 1, characterized in that, The power supply box is electrically connected to the corresponding intelligent network controller via a 4k Ethernet cable.

9. The hydraulic support control system for a fully mechanized mining face according to claim 2, characterized in that, The wireless sensing component includes at least one of a wireless infrared receiver, a wireless pressure sensor, a wireless travel sensor, and a wireless tilt sensor.

10. The hydraulic support control system for a fully mechanized mining face according to claim 1, characterized in that, The support drive assembly includes a solenoid valve driver, a valve body, and a hydraulic support connected in sequence. The solenoid valve driver can drive the valve body to switch states, and the hydraulic support responds to the state change of the valve body by performing corresponding actions.

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