CN217381121U - Electro-hydraulic control system - Google Patents
Electro-hydraulic control system Download PDFInfo
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- CN217381121U CN217381121U CN202220659710.5U CN202220659710U CN217381121U CN 217381121 U CN217381121 U CN 217381121U CN 202220659710 U CN202220659710 U CN 202220659710U CN 217381121 U CN217381121 U CN 217381121U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model discloses an electro-hydraulic control system, which comprises at least two bracket controllers, a centralized control terminal and a wireless signal converter which are connected in sequence, wherein the bracket controller is provided with a sensor interface which is used for being connected with sensor equipment; the centralized control terminal is in wired connection and/or wireless connection with the bracket controller; the wireless signal converter is connected with the bracket controller and communicates with the centralized control terminal in a wireless communication mode. The utility model provides an electricity liquid control system, centralized control terminal and all support controllers wired connection, and/or wireless connection make centralized control terminal can handle all support data of working face, and centralized control terminal control mode is nimble, and the support controller need not to dispose the display; the bracket controller is connected with a plurality of sensor devices and can acquire sensor device data; the wireless signal converter is wirelessly connected with the centralized control terminal, and the centralized control terminal can remotely receive and display data of other functional systems.
Description
Technical Field
The utility model relates to a combine and adopt working face support electrohydraulic control's technical field, in particular to electrohydraulic control system.
Background
The fully mechanized mining face support electrohydraulic control system is a distributed system controlled by a plurality of supports, each support only analyzes, processes and displays sensor data of the support, and carries out corresponding actions according to key commands, hand-held remote controller commands and remote control commands, and part of the electrohydraulic control systems are provided with a crossheading centralized control center or a ground centralized control center and are used for monitoring all the supports of the whole working face so as to analyze and diagnose the data of all the supports.
Along with the improvement of the underground intelligent degree, more and more sensors need to be deployed on site and data need to be displayed, a display configured by the conventional support controller cannot conveniently display detailed data of the current support and cannot display detailed data of all supports on a working face, the field use is inconvenient, and the following solutions are generally adopted at present:
1. a display screen with larger size and higher resolution is configured on the support electro-hydraulic controller.
The method can obviously increase the cost, and increase the static power consumption of the bracket controller, so that the system cannot be provided with more sensors, and the expansibility of the system is reduced.
2. And (4) allocating a centralized control center.
The anti-explosion computer is deployed in the crossheading monitoring center, all data are displayed on the anti-explosion computer and intelligently controlled, the mobile portability is reduced, the anti-explosion computer is not easy to carry, the real-time data of the system cannot be displayed on the working face on site, the receiving of a plurality of system data is inconvenient, and the deployment is complex.
Therefore, an electrohydraulic control system which is provided with a centralized control terminal for processing all the support data of a working surface and is convenient for remote control by the centralized control terminal needs to be researched urgently.
SUMMERY OF THE UTILITY MODEL
The weak point that exists to above-mentioned prior art, the utility model provides an electro-hydraulic control system has solved among the prior art that the centralized control terminal can't handle all support data of working face, and the remote control's of being not convenient for technical problem.
The utility model provides an electricity liquid control system, include:
the bracket comprises at least two bracket controllers which are connected in sequence, wherein the bracket controllers are provided with sensor interfaces which are used for being connected with sensor equipment;
the centralized control terminal is in wired connection and/or wireless connection with the bracket controller;
and the wireless signal converter is connected with the bracket controller and is communicated with the centralized control terminal in a wireless communication mode.
Optionally, the support controller is provided with a first communication interface, and the support controller is connected with the centralized control terminal through the first communication interface in a wired manner.
Optionally, the support controller is provided with a second communication interface, and the support controller is connected to the adjacent support controller through the second communication interface by a wire.
Optionally, the support controller is provided with a placing rack, and the placing rack is used for placing the centralized control terminal.
Optionally, when the centralized control terminal is in wired connection with the support controller, and the number of the centralized control terminals is greater than one, one of the centralized control terminals is used as a decision terminal, and the rest of the centralized control terminals are used as backup terminals, and heartbeat communication is established between the decision terminal and the backup terminals.
Optionally, the centralized control terminal includes a wireless handheld terminal, and the wireless handheld terminal is in wireless communication with the wireless signal converter.
Optionally, the centralized control terminal supports a wireless communication mode, where the wireless communication mode includes Zigbee communication, bluetooth communication, Lora communication, and Wifi communication.
Optionally, the electro-hydraulic control system further comprises a power supply device, and the power supply device is connected with each bracket controller.
Optionally, a functional module is arranged in the power supply device, and the functional module includes an isolation coupler and a switch.
Optionally, the centralized control terminal adopts an industrial processor.
The utility model provides an electricity liquid control system, centralized control terminal and all support controllers wired connection, and/or wireless connection make centralized control terminal can handle all support data of working face, and centralized control terminal control mode is nimble, and the support controller need not to dispose the display; the bracket controller is connected with a plurality of sensor devices and can acquire sensor device data; the wireless signal converter is wirelessly connected with the centralized control terminal, and the centralized control terminal can remotely receive and display data of other functional systems.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of an electro-hydraulic control system provided in an embodiment of the present application;
fig. 2 is a schematic diagram of communication between a wireless handheld terminal and a functional system in an electro-hydraulic control system according to an embodiment of the present disclosure.
In the figure:
1-centralized control terminal;
2-a stent controller;
3-a sensor device;
4-a wireless signal converter;
5-a power supply device;
6-a functional system;
7-an upper computer.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The utility model provides an electricity liquid control system, see figure 1, including at least two support controller 2 that connect gradually, centralized control terminal 1 and wireless signal converter 4, be equipped with the sensor interface on the support controller 2, the sensor interface is used for being connected with sensor equipment 3, centralized control terminal 1 and support controller 2 wired connection, and/or wireless connection, wireless signal converter 4 is connected with support controller 2, and wireless signal converter 4 communicates with centralized control terminal 1 with wireless communication mode.
The utility model provides an electricity liquid control system, centralized control terminal 1 and all support controllers 2 wired connection, and/or wireless connection for centralized control terminal 1 can handle all support data of working face, and the control mode of centralized control terminal 1 is nimble, and support controllers 2 need not to dispose the display; the bracket controller 2 is connected with a plurality of sensor devices 3 and can acquire sensor device data; the wireless signal converter 4 is wirelessly connected with the centralized control terminal 1, and the centralized control terminal 1 can remotely receive and display data of other functional systems 6.
Specifically, in the above embodiment, the rack controller 2 is provided with the first communication interface, and the rack controller 2 is connected to the centralized control terminal 1 through the first communication interface by wire. In this embodiment, the rear end of each rack controller 2 is provided with a first communication interface, and the first communication interface not only enables the host computer to communicate with the centralized control terminal 1 in wired communication modes such as RS485, CAN, ethernet and the like, but also supplies power to the centralized control terminal 1.
Specifically, in the above embodiment, the rack controller 2 is provided with the second communication interface, and the rack controller 2 is wired to the adjacent rack controller 2 through the second communication interface. In this embodiment, each rack controller 2 includes two second communication interfaces, and the second communication interfaces are used for connecting two adjacent rack controllers 2 and supporting inter-rack communication, where the communication mode includes RS485, CAN, Profibus, and ethernet communication.
Specifically, in the above embodiment, the rack controller 2 is provided with a placing rack for placing the centralized control terminal 1. In the present embodiment, the rack controller 2 is provided with a rack, and when the centralized control terminal 1 is connected to the rack controller 2 by a wired connection, the centralized control terminal 1 can be placed on the rack, and the rack is preferably a rack or a protective box for the centralized control terminal 1.
Specifically, in the above embodiment, when the centralized control terminals 1 are connected to the rack controller 2 by wires, and the number of the centralized control terminals 1 is greater than one, one centralized control terminal 1 serves as a decision terminal, all the other centralized control terminals 1 serve as backup terminals, and heartbeat communication is established between the decision terminal and the backup terminals. In the embodiment, when a plurality of centralized control terminals 1 are connected in an electro-hydraulic control system in a wired mode, one centralized control terminal is selected as a decision terminal through algorithm decision, the specific algorithm decision can be the first centralized control terminal 1 connected into the system as the decision terminal, the decision terminal is connected to a bracket controller 2 in a wired mode, real-time data analysis, operation and decision functions are provided for the whole electro-hydraulic control system, and the decision terminal is also an edge calculation host of a working surface; other unselected centralized control terminals 1 are used as backup terminals, heartbeat communication is carried out between the backup terminals and the decision terminals, namely when the decision terminals are off-line, the other backup terminal is automatically converted into the decision terminal; the backup terminal has a data real-time hot backup function, the function of the backup terminal is completely consistent with that of the decision terminal, and the backup terminal is only different from the decision terminal in that the backup terminal does not send a decision instruction.
Specifically, in the above embodiment, as shown in fig. 2, the centralized control terminal 1 further includes a wireless handheld terminal, and the wireless handheld terminal is in wireless communication with the wireless signal converter 4. In this embodiment, the wireless handheld terminal is provided to facilitate the staff to carry the wireless handheld terminal to the working surface, and the wireless handheld terminal receives data of all the functional systems 6 at any time and performs display control by covering wireless signals of the working surface.
Furthermore, the centralized control terminal supports a wireless communication mode, wherein the wireless communication mode comprises Zigbee communication, Bluetooth communication, Lora communication and Wifi communication. In this embodiment, the wireless handheld terminal in the centralized control terminal 1 simultaneously supports the wireless communication modes of Zigbee communication, bluetooth communication, Lora communication and Wifi communication, and the wireless handheld terminal can not only communicate with the wireless signal converter 4, but also wirelessly communicate with the functional systems 6 such as the coal mining machine system and the personnel positioning system.
Specifically, in the above embodiment, the electro-hydraulic control system further includes the power supply device 5, and the power supply device 5 is connected to each of the stand controllers 2. In the present embodiment, the plurality of rack controllers 2 are connected to the same power supply device 5, the power supply device 5 may supply power to a plurality of hosts, and the plurality of power supply devices 5 may be connected in series through a mine cable.
Further, a functional module is arranged in the power supply device 5, and the functional module comprises an isolation coupler and a switch. In this embodiment, different functional modules 6 can be added to the power supply device 5, such as an isolating coupler and a switch, for isolation, and the purpose of this isolation is to isolate the interference source and the portion subject to interference from the switch circuit, so that the device only keeps signal connection with the field and not directly generates electricity, and the essence of this isolation is to cut off the interference channel introduced, thereby achieving the purpose of isolating the field interference.
Specifically, in the above-described embodiment, the centralized control terminal 1 employs an industrial-grade processor. In this embodiment, the terminal can be selected from 6 inch or more screen, the resolution is 1920 × 1200, and the processor is selected from industrial processor with main frequency above 400 MHz.
Through the utility model provides an electro-hydraulic control system, see fig. 1 and fig. 2, specific working method is as follows:
in the electro-hydraulic control system, every three stand controllers 2 are connected to one terminal of the power supply device 5, and each power supply device 5 has two terminals, so that each power supply device 5 can be connected to six stand controllers 2;
every ten support controllers 2 are provided with one wireless signal converter 4, the two wireless signal converters 4 are respectively connected to two different support controllers 2, and the wireless signal converters 4 are communicated with the support controllers 2 through RS 485;
the centralized control terminal 1 selects an 8-inch TFT color screen with the display resolution of 1920 x 1280 or more, the processor dominant frequency is 2.3GHz, the centralized control terminal 1 is provided with a connecting terminal which can be connected to an interface of the bracket controller 2, and wireless communication modes of Zigbee, Bluetooth, Lora, Wifi and the like of a wireless handheld terminal in the centralized control terminal 1 are supported;
the electro-hydraulic control system is provided with two centralized control terminals 1, wherein one centralized control terminal 1 is used as a decision terminal and connected to one support controller 2, and is placed on a placing rack of the support controller 2, and the other centralized control terminal 1 is used as a mobile display terminal;
all the support controllers 2 are not separately provided with a display, the decision terminal can realize the functions of data configuration, data analysis and operation, the decision terminal and the backup terminal can realize the function of data display, and all the support controllers 2 only realize simple adjacent support control such as: lifting columns, lowering columns, moving frames, pushing sliding, spraying, lifting bottoms, stretching and retracting side protection, stretching and retracting balance, group control and the like, wherein the group control comprises moving frames, pushing sliding, spraying and the like;
the sensor devices 3 with different functions are connected to each bracket controller 2 through a sensor interface;
the support controllers 2 are connected through a CAN bus, all the support controllers 2 send data to the CAN bus, and the support controllers 2 connected with the decision terminal send all the data to the decision terminal through an RS232 bus after monitoring the data on the CAN bus.
The electro-hydraulic control system further comprises an upper computer 7, the decision terminal analyzes and diagnoses received data, such as pressure, a pushing stroke, inclination angle data, coal machine position, support height and the like of all supports on a working face, when data are found to be abnormal, such as overlarge pressure, overlarge inclination angle and low support height of a certain support, alarm information is sent to the support controller 2 through an RS232 bus, the support controller 2 sends the alarm information to a CAN bus of the electro-hydraulic control system, and the upper computer 7 and all the supports CAN receive the alarm information and give an alarm.
The user can perform single-rack and group operation at the centralized control terminal 1, and can perform parameter configuration and the like. When the decision terminal performs corresponding operation, data is sent to the bracket controller 2 through the RS232 bus and sent to the system CAN bus by the bracket controller 2, the relevant bracket controller 2 processes the data, when the backup terminal performs corresponding operation, the data is sent to the adjacent wireless signal converter 4 through a wireless signal and sent to the corresponding bracket controller 2 through the RS485 bus by the wireless signal converter 4, and then sent to the system CAN bus by the bracket controller 2, and the relevant bracket controller 2 processes the data;
as shown in fig. 2, the centralized control terminal 1 further includes a wireless handheld terminal, the wireless handheld terminal is connected with each functional system in a wireless communication manner, specifically, the wireless handheld terminal is connected to the environment monitoring system through Lora communication, is connected to the coal mining machine system through wifi, is connected to the personnel positioning system through bluetooth, receives data of the corresponding system, and displays and alarms.
The above are only preferred embodiments 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 also included in the scope of the present invention.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. An electro-hydraulic control system, comprising:
the support device comprises at least two support controllers (2) which are connected in sequence, wherein sensor interfaces are arranged on the support controllers (2), and the sensor interfaces are used for being connected with sensor equipment (3);
the centralized control terminal (1), the centralized control terminal (1) is connected with the bracket controller (2) in a wired way and/or in a wireless way;
the wireless signal converter (4), wireless signal converter (4) with support controller (2) are connected, wireless signal converter (4) with wireless communication mode with centralized control terminal (1) communication.
2. The electrohydraulic control system according to claim 1, characterized in that the bracket controller (2) is provided with a first communication interface, and the bracket controller (2) is in wired connection with the centralized control terminal (1) through the first communication interface.
3. The electrohydraulic control system according to claim 1, characterized in that the rack controller (2) is provided with a second communication interface, and the rack controller (2) is in wired connection with the adjacent rack controller (2) through the second communication interface.
4. The electrohydraulic control system according to claim 1, characterized in that the rack controller (2) is provided with a placement rack for placing the centralized control terminal (1).
5. The electrohydraulic control system according to claim 1, characterized in that when the centralized control terminals (1) are in wired connection with the rack controller (2) and the number of the centralized control terminals (1) is greater than one, one centralized control terminal (1) is used as a decision terminal, all the other centralized control terminals (1) are used as backup terminals, and heartbeat communication is established between the decision terminal and the backup terminals.
6. The electrohydraulic control system according to claim 1, characterized in that said centralized control terminal (1) comprises a wireless hand-held terminal in wireless communication with said wireless signal converter (4).
7. The electrohydraulic control system according to claim 6, characterized in that the centralized control terminal (1) supports wireless communication modes, and the wireless communication modes include Zigbee communication, Bluetooth communication, Lora communication and Wifi communication.
8. The electro-hydraulic control system of claim 1, further comprising a power supply (5), the power supply (5) being connected to each of the rack controllers (2).
9. The electro-hydraulic control system of claim 8, wherein the power supply (5) has functional modules therein, the functional modules including isolating couplers and switches.
10. The electro-hydraulic control system of claim 1, characterized in that the centralized control terminal (1) employs an industrial-grade processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220659710.5U CN217381121U (en) | 2022-03-24 | 2022-03-24 | Electro-hydraulic control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220659710.5U CN217381121U (en) | 2022-03-24 | 2022-03-24 | Electro-hydraulic control system |
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| CN217381121U true CN217381121U (en) | 2022-09-06 |
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| CN202220659710.5U Active CN217381121U (en) | 2022-03-24 | 2022-03-24 | Electro-hydraulic control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116243643A (en) * | 2023-05-11 | 2023-06-09 | 航天极创物联网研究院(南京)有限公司 | Horizontal filling measurement and control system of overlength rigid body and horizontal filling system |
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2022
- 2022-03-24 CN CN202220659710.5U patent/CN217381121U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116243643A (en) * | 2023-05-11 | 2023-06-09 | 航天极创物联网研究院(南京)有限公司 | Horizontal filling measurement and control system of overlength rigid body and horizontal filling system |
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