阅读说明：本技术 一种液压设备的控制系统及其控制方法 (Control system and control method of hydraulic equipment ) 是由 申晟 余亿坤 于 2020-04-28 设计创作，主要内容包括：本发明公开一种液压设备的控制系统及其控制方法,所述控制系统包括：控制终端、无线通信模块、云服务器、局域网控制器以及液压设备；所述局域网控制器包括模拟量模块和PLC控制器；所述液压设备包括电子压力传感器、电子温度传感器、角度传感器、电机以及液压阀电磁铁；所述液压设备与所述PLC控制器连接,所述PLC控制器与所述局域网控制器连接；所述无线通信模块与所述云服务器连接；所述云服务器与所述控制终端连接。本发明实施例通过无线控制的方式,解决水电阀门液压设备分散,控制地点狭小,有线远程控制通讯成本高的问题。本发明实施例还通过在液压设备上设置电子压力传感器、电子温度传感器和角度传感器使得能够快速判断设备的运行情况。(The invention discloses a control system and a control method of hydraulic equipment, wherein the control system comprises: the system comprises a control terminal, a wireless communication module, a cloud server, a local area network controller and hydraulic equipment; the local area network controller comprises an analog quantity module and a PLC (programmable logic controller); the hydraulic equipment comprises an electronic pressure sensor, an electronic temperature sensor, an angle sensor, a motor and a hydraulic valve electromagnet; the hydraulic equipment is connected with the PLC, and the PLC is connected with the local area network controller; the wireless communication module is connected with the cloud server; the cloud server is connected with the control terminal. The embodiment of the invention solves the problems of dispersed hydraulic equipment of the hydroelectric valve, narrow control place and high cost of wired remote control communication in a wireless control mode. The embodiment of the invention also can quickly judge the running condition of the equipment by arranging the electronic pressure sensor, the electronic temperature sensor and the angle sensor on the hydraulic equipment.)

1. A control system for a hydraulic apparatus, comprising:

the system comprises a control terminal, a wireless communication module, a cloud server, a local area network controller and hydraulic equipment;

the local area network controller comprises an analog quantity module and a PLC (programmable logic controller); the analog quantity module is connected with the PLC;

the hydraulic equipment comprises an electronic pressure sensor, an electronic temperature sensor, an angle sensor, a motor and a hydraulic valve electromagnet; the electronic pressure sensor, the angle sensor and the electronic temperature sensor are respectively connected with the analog quantity module; the motor and the hydraulic valve electromagnet are respectively connected with the PLC;

the PLC is connected with the wireless communication module; the wireless communication module is connected with the cloud server; the cloud server is connected with the control terminal.

2. The hydraulic device control system of claim 1, wherein the local area network controller further comprises:

and the field touch screen is used for controlling the hydraulic equipment to start, suddenly stop, fully open the valve, fully close the valve, break down, open the valve, stop the valve and close the valve, and is connected with the PLC.

3. The control system of a hydraulic device according to claim 1 or 2, further comprising field entity buttons for controlling the hydraulic device start-up, scram, valve fully open, valve fully closed, fault, valve open, valve stop and valve close, all of the field entity buttons being connected to the PLC controller.

4. The control system of the hydraulic device of claim 3, wherein the hydro-valve hydraulic device further comprises:

a pressure gauge and a liquid level thermometer.

5. The control system of a hydraulic apparatus according to claim 1, further comprising

And the emergency power supply is connected with the PLC.

6. The control system of a hydraulic apparatus according to claim 4, further comprising

And the emergency power supply is connected with the PLC.

7. The control system of a hydraulic apparatus according to claim 1, further comprising: and the first end of the Ethernet module is connected with the PLC, and the second end of the Ethernet module is connected with the control terminal.

8. The control system of a hydraulic apparatus of claim 1, wherein the wireless communication module comprises a GSM module, a 3G module, and/or a 4G module.

9. The hydraulic equipment control system according to claim 1, wherein the control terminal is a device having an input, information processing, output, display, and network access.

10. A control method of a control system of a hydraulic apparatus according to claim 6, characterized by comprising:

when the remote mode is started, cutting off the communication between the field entity button and the PLC controller and cutting off the communication between the field touch screen and the PLC controller; the remote mode is that a control terminal controls the hydraulic equipment to operate;

after the remote mode is started, judging whether the continuous interruption of the wireless communication module and the wireless communication module is more than 2 minutes, if so, switching to a local mode;

when the local mode is started, the communication between the control terminal and the PLC is cut off; the local mode is that a field touch screen or a field entity button controls the hydraulic equipment to operate;

and under a remote mode or a local mode, judging whether the hydraulic equipment is powered off, if so, supplying power to the PLC by the emergency power supply so that the PLC controls a gate valve of the hydraulic equipment to be closed.

Technical Field

The invention relates to the technical field of hydraulic equipment, in particular to a control system of the hydraulic equipment and a control method thereof.

Background

At present, two main hydraulic equipment control systems are provided, one of which consists of hydraulic equipment, a field controller or a relay, and an electric cabinet or a touch screen. The other type of the hydraulic system consists of hydraulic equipment, a field controller or a relay, a communication network cable and a central control computer. However, the first hydraulic equipment control system needs to control the operation of the hydraulic equipment, such as opening and closing of a control valve, by a control person operating an electric cabinet at the installation site of the hydraulic equipment. Or the monitoring control is realized through a field touch screen. The hydraulic equipment hydroelectric valve is dispersed and the control place is narrow, so that a plurality of operators are required for on-site operation and monitoring the operation condition of the equipment in field control, and the installation site of the hydroelectric valve is far, so that a large amount of labor cost is required, and the labor intensity is high. The second hydraulic equipment control system can realize the operation of wired remote control hydraulic equipment, such as the opening and closing of a control valve, but because the installation site of the hydroelectric valve is far away from a central control room, communication equipment such as required communication wires, routers and the like is high in cost. Further, the hydraulic devices constituting the above control system determine the device operation conditions by equipping a large number of on-site visual elements, but determining the device operation conditions by the visual elements has a certain delay, resulting in a high failure rate and further a high maintenance cost.

Disclosure of Invention

The invention aims to provide a control system and a control method of hydraulic equipment, which aim to solve the technical problems of high cost of wired transmission and high delay of equipment operation condition judgment through visual elements in the prior art.

The invention also aims to provide a control method capable of improving the reliability and safety of the hydraulic equipment during operation.

In order to achieve the first object, in a first aspect, an embodiment of the present invention provides a control system for a hydraulic apparatus, including:

the system comprises a control terminal, a wireless communication module, a cloud server, a local area network controller and hydraulic equipment;

the local area network controller comprises an analog quantity module and a PLC (programmable logic controller); the analog quantity module is connected with the PLC;

the hydraulic equipment of the hydroelectric valve comprises an electronic pressure sensor, an electronic temperature sensor, an angle sensor, a motor and a hydraulic valve electromagnet; the electronic pressure sensor, the angle sensor and the electronic temperature sensor are respectively connected with the analog quantity module; the motor and the hydraulic valve electromagnet are respectively connected with the PLC;

the PLC is connected with the wireless communication module; the wireless communication module is connected with the cloud server; the cloud server is connected with the control terminal.

Further, the local area network controller further includes:

and the field touch screen is used for controlling the hydraulic equipment to start, suddenly stop, fully open the valve, fully close the valve, break down, open the valve, stop the valve and close the valve, and is connected with the PLC.

Furthermore, the control system of the hydraulic equipment also comprises field entity buttons used for controlling the hydraulic equipment to start, stop suddenly, open fully, close fully, break down, open, stop and close, and all the field entity buttons are connected with the PLC.

Further, the hydraulic apparatus further includes:

a pressure gauge and a liquid level thermometer.

Further, the control system of the hydraulic equipment also comprises

And the emergency power supply is connected with the PLC.

Furthermore, the control system of the hydraulic equipment further comprises an ethernet module, wherein a first end of the ethernet module is connected with the PLC controller, and a second end of the ethernet module is connected with the control terminal.

Further, the control terminal is a device with input, information processing, output, display and network access.

In order to achieve the second object, an embodiment of the present invention provides a control method of a control system of a hydraulic apparatus as described above, including:

when the remote mode is started, cutting off the communication between the field entity button and the PLC controller and cutting off the communication between the field touch screen and the PLC controller; the remote mode is that a control terminal controls the hydraulic equipment to operate;

after the remote mode is started, judging whether the continuous interruption of the wireless communication module and the wireless communication module is more than 2 minutes, if so, switching to a local mode;

when the local mode is started, the communication between the control terminal and the PLC is cut off; the local mode is that a field touch screen or a field entity button controls the hydraulic equipment to operate;

and under a remote mode or a local mode, judging whether the hydraulic equipment is powered off, if so, supplying power to the PLC by the emergency power supply so that the PLC controls a gate valve of the hydraulic equipment to be closed.

In summary, the embodiment of the present invention provides, which has the following beneficial effects:

the embodiment of the invention solves the problems of dispersed hydraulic equipment of the hydroelectric valve, narrow control place, high labor intensity of operators and high cost of wired remote control communication in a wireless control mode. The embodiment of the invention also can quickly judge the running condition of the equipment by arranging the electronic pressure sensor, the electronic temperature sensor and the angle sensor on the hydraulic equipment.

The embodiment of the invention also realizes the closing of the door valve by the emergency power supply through the remote control and local control interlocking and automatic switching of remote communication interruption into local control and equipment power failure, thereby ensuring the reliability and safety of equipment operation.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a control system of a hydraulic apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a control system of a hydraulic apparatus according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a control system of a hydraulic apparatus according to an embodiment of the present invention;

FIG. 4 is a circuit diagram of a control train of a hydraulic apparatus provided in accordance with one embodiment of the present invention;

fig. 5 is a flowchart of a control method of a control system of a hydraulic apparatus according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

The terms "comprises" and "comprising" indicate the presence of the described features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

The term "and/or" refers to and includes any and all possible combinations of one or more of the associated listed items.

The hydraulic type hydroelectric valve has the working principle that the valve and the oil cylinder are fixed through the connecting support, the oil cylinder is fixed above the valve, the piston rod of the oil cylinder can be connected with the valve rod of the valve through a sleeve, a pin and the like, and the valve can be driven to move when the oil cylinder moves, so that the valve is opened, closed or stopped and the like.