CN111550590A - Control system and control method of hydraulic equipment - Google Patents
Control system and control method of hydraulic equipment Download PDFInfo
- Publication number
- CN111550590A CN111550590A CN202010350706.6A CN202010350706A CN111550590A CN 111550590 A CN111550590 A CN 111550590A CN 202010350706 A CN202010350706 A CN 202010350706A CN 111550590 A CN111550590 A CN 111550590A
- Authority
- CN
- China
- Prior art keywords
- valve
- plc
- hydraulic
- hydraulic equipment
- control system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
- F04B49/065—Control using electricity and making use of computers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0426—Programming the control sequence
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Testing And Monitoring For Control Systems (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
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.
Description
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.
Example 1:
referring to fig. 1, an embodiment of the present invention provides a control system for a hydraulic apparatus, including:
the system comprises a control terminal 1, a wireless communication module 2, a cloud server 3, a local area network controller and hydraulic equipment;
the local area network controller comprises an analog quantity module 4 and a PLC (programmable logic controller) 5; the analog quantity module 4 is connected with the PLC 5;
the hydraulic equipment comprises an electronic pressure sensor 6, an electronic temperature sensor 8, an angle sensor 7, a motor 11 and a hydraulic valve electromagnet 12; the electronic pressure sensor 6, the angle sensor 7 and the electronic temperature sensor 8 are respectively connected with the analog quantity module 4; the motor 11 and the hydraulic valve electromagnet 12 are respectively connected with the PLC 5;
the PLC 5 is connected with the wireless communication module 2; the wireless communication module 2 is connected with the cloud server 3; the cloud server 3 is connected with the control terminal 1.
The wireless communication module 2 comprises a GSM module, a 3G module and/or a 4G module. The wireless communication module 2 is in bidirectional data communication with the PLC controller 5 through an RS485 protocol.
It should be noted that, in the embodiment of the present invention, the sensors of the hydraulic device not only include the electronic pressure sensor 6, the angle sensor 7, and the electronic temperature sensor 8, but also include sensors that collect other operating data of the hydraulic device, for example, an electronic liquid level sensor that detects a liquid level value of oil in an oil tank; the control terminal 1 is a device having functions of input, information processing, output, display, and network access. Such as a mobile phone, a tablet computer, a notebook computer or a desktop computer, etc., the present invention is not limited thereto. When the control terminal 1 supports the SIM card to be inserted and the wireless communication module 2 supports the SIM card to be inserted, the control terminal 1 is also used for receiving an alarm short message of the hydraulic equipment so as to achieve the purpose of reminding a worker to check the fault. It should be understood that embodiments of the present invention include a switching power supply for separately powering the various components of the control system.
In order to make the embodiment of the present invention clearer, the working principle of the embodiment of the present invention is described below with uplink and downlink, respectively;
and uplink:
the electronic pressure sensor 6 is used for acquiring pressure data of hydraulic equipment during operation;
the electronic temperature sensor 8 is used for acquiring temperature data of the hydraulic equipment during operation;
the angle sensor 7 is used for judging whether the valve is opened or closed according to the collected angle;
the analog quantity module 4 is used for receiving the temperature data acquired by the electronic temperature sensor 8, the pressure data acquired by the electronic pressure sensor 6 and the angle data acquired by the angle sensor 7;
the PLC 5 is used for sending the temperature data, the pressure data and the angle data received by the analog quantity module 4 to the wireless communication module;
the wireless communication module 2 is used for uploading the received temperature data, pressure data and angle data to the control terminal 1 through the cloud server 3; the cloud server 3 is used for storing temperature data, pressure data and angle data; the control terminal 1 is configured to display the temperature data and the pressure data in a certain form. The display interface of the control terminal 1 includes an interface converted into configuration software through OPC service.
Downlink:
the control terminal 1 is configured to receive an instruction and a parameter input by a user, where the instruction includes an instruction for controlling operation of the hydraulic device, and the parameter includes a parameter for controlling operation of the hydraulic device, for example, an instruction for starting or stopping the motor 11, and an instruction for powering on or powering off the hydraulic valve electromagnet 12. The display interface of the control terminal 1 includes an interface converted into configuration software through OPC service.
The cloud server 3 is used for storing instructions and parameters sent by the control terminal 1;
the wireless communication module 2 is configured to send the instruction and the parameter acquired from the cloud server 3 to the PLC controller 5;
the PLC controller 5 is configured to control operation of the hydraulic device according to the instruction and the parameter received from the wireless communication module 2, for example, control the motor 11 to start or close, and control the hydraulic valve electromagnet 12 to be powered on or powered off so as to control on/off of the oil path. The motor 11 is used for driving a pump to provide pressure for a hydraulic system; the hydraulic valve electromagnet 12 is used for controlling the on-off of an oil path.
It should be noted that the uplink and the downlink are examples for clearly describing the operation principle of the embodiment of the present invention, and therefore, the operation principle of the embodiment of the present invention is not limited to include only the above two examples, for example, the control terminal 1 may be configured to display not only the temperature data, the pressure data and the angle data, but also the operation parameters of other devices, which is not specifically recited herein.
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 enables the running condition of the equipment to be rapidly judged by arranging the electronic pressure sensor 6, the electronic temperature sensor 8 and the angle sensor 7 on the hydraulic equipment.
Referring to fig. 2, in order to enable a worker to control the operation of the hydraulic device on the site of the hydraulic device when the wireless control fails, in one embodiment, the lan controller further includes:
and the field touch screen 9 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 the touch screen 9 is connected with the PLC 5.
Referring to fig. 3, also in order to enable the operation of the hydraulic equipment to be controlled on site of the hydraulic equipment, in one embodiment, the system further comprises field entity buttons 10 for controlling the start, emergency stop, full valve open, full valve close, fault, valve open, valve stop and valve close of the hydraulic equipment, and all of the field entity buttons 10 are connected to the PLC controller 5.
In order to avoid that a user cannot check the operation data of the device through the control terminal 1 or the field touch screen 9 when the control terminal 1 is powered off or the field touch screen 9 is powered off, in one embodiment, the embodiment of the invention further comprises a pressure gauge and a liquid level thermometer.
The pressure gauge and the liquid level gauge are field monitoring instruments, the pressure value of the hydraulic equipment can be checked through visual observation of the pressure gauge, and the oil liquid level value and the temperature value of the oil tank can be checked through the liquid level liquid thermometer. Thus, the operator can control the operation of the hydraulic equipment through the field monitoring instrument.
In order to enable the system to control the operation of the hydraulic equipment not only by a wireless remote control mode but also by a wired control mode, the embodiment of the invention further comprises an ethernet module, wherein a first end of the ethernet module is connected with the PLC controller 5, and a second end of the ethernet module is connected with the control terminal 1.
In order to ensure the safety of the operation of the hydraulic equipment when the hydraulic equipment is powered off, the embodiment of the invention further comprises an emergency power supply, wherein the emergency power supply is a UPS emergency power supply, and the UPS emergency power supply supplies power to the PLC and controls the valve to be quickly closed when the equipment is powered off.
Referring to fig. 4, fig. 4 is a specific circuit diagram of the system of the present invention. The PORT0 of the PLC 5 is connected with the wireless communication module 2, and remote input and output instructions are realized through RS485 communication, and relevant address variable values are changed. The PORT1 is connected with the touch screen 9, and the RS485 communication is used for realizing local input and output instructions and changing the value of the relevant address variable.
When the control terminal or the touch screen 9 is selected for operation, when the valve needs to be opened, the control terminal 1 such as a mobile phone can send an opening instruction to the wireless communication module 2 to the PLC controller 5, or the field touch screen 9 can send the opening instruction to the PLC controller 5, and the wireless communication module 2 or the field touch screen 9 rewrites address value variables related to the PLC through RS 485. In the PLC 5, an AI1.0 analog input pressure sensor receives pressure within the range of 13.5MPa to 15.5MPa, when an AI2.0 analog input temperature sensor is less than 65 ℃, Q0.1 and Q0.3 are output, coils K1 and K3 are electrified and attracted, a hydraulic valve electromagnet 12 is electrified, and an oil cylinder extends out to open the valve. When the AI3.0 analog quantity input angle sensor 7 detects that the valve is completely opened, Q0.3 stops outputting, the coil K3 is disconnected, and the electromagnet of the electromagnetic valve loses power. Q1.1 output, K10 circular telegram actuation, open the pilot lamp of reaching the position and light.
Selecting a control terminal or a touch screen 9 for operation, when the valve needs to be closed, sending a closing instruction to a wireless communication module 2 or a field touch screen 9 through a control terminal 1 such as a mobile phone and the like, rewriting address value variables related to PLC through RS485 by the wireless communication module 2 or the field touch screen 9, outputting Q0.1 and Q0.2 when a pressure range received by a PLC AIW0 analog input pressure sensor is 13.5MPa to 15.5MPa, and outputting Q0.1 and Q0.2 when an AIW2 analog input temperature sensor is less than 65 ℃, electrifying and attracting coils K1 and K2, electrifying an electromagnetic valve, and enabling an oil cylinder to extend out to close the valve. When the AI3.0 analog quantity input angle sensor 7 detects that the valve is completely closed, Q0.2 stops outputting, the coil K2 is disconnected, and the electromagnet of the electromagnetic valve loses power. Q2.0 output, K11 power-on pick-up, close the pilot lamp to light in place.
When the entity button 10 is selected for control and the valve needs to be opened, the valve opening button is pressed, and the input signal is detected by the I0.2 of the PLC 5. When the pressure received by the PLC AIW0 analog input pressure sensor is in a range from 13.5MPa to 15.5MPa and the AIW2 analog input temperature sensor is less than 65 ℃, Q0.1 and Q0.3 are output, the coils K1 and K3 are electrified and attracted, the electromagnet of the electromagnetic valve is electrified, and the oil cylinder extends out to open the valve. When the AI3.0 analog quantity input angle sensor 7 detects that the valve is completely opened, Q0.3 stops outputting, the coil K3 is disconnected, and the electromagnet of the electromagnetic valve loses power. Q1.1 output, K10 circular telegram actuation, open the pilot lamp of reaching the position and light.
When the entity button 10 is selected for control and the valve needs to be closed, the valve closing button is pressed, and the input signal is detected by the I0.4 of the PLC 5. When the pressure receiving range of the PLC AIW0 analog input pressure sensor is 13.5MPa to 15.5MPa, and the AIW2 analog input temperature sensor is less than 65 ℃, Q0.1 and Q0.2 are output, the coils K1 and K2 are electrified and attracted, the electromagnet of the electromagnetic valve is electrified, and the oil cylinder extends out to close the valve. When the AI3.0 analog quantity input angle sensor 7 detects that the valve is completely closed, Q0.2 stops outputting, the coil K2 is disconnected, and the electromagnet of the electromagnetic valve loses power. Q2.0 output, K11 power-on pick-up, close the pilot lamp to light in place.
Example 2:
an embodiment of the present invention provides a control method for a control system of a hydraulic apparatus as described in embodiment 1:
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 the embodiment of the invention, the main body for executing the steps is a PLC controller. In order to ensure the reliability and safety of the system, please refer to fig. 5, a "local" mode or a "remote" mode can be selected through a control terminal or a touch screen, and the modes are switched, and the two modes are mutually interlocked. When the "remote" mode is selected, the field entity buttons and the field touch screen are all disabled. When the "local" mode is selected, the remote control is disabled and the field entity buttons and field touch screen are restored. In the remote mode, when the wireless communication module and the PLC are interrupted for more than 2 minutes, the PLC automatically converts to the local mode. When the hydraulic equipment is powered off, the UPS emergency power supply arranged in the hydraulic equipment supplies power to the PLC and quickly closes the valve.
It should be noted that all technical contents and technical effects of the control system of the hydraulic device provided by the first embodiment of the present invention and all explanations and descriptions of the control system of the hydraulic device provided by the first embodiment are applicable to the control method provided by the second embodiment of the present invention, and therefore, the second embodiment of the present invention is not described herein in detail.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010350706.6A CN111550590A (en) | 2020-04-28 | 2020-04-28 | Control system and control method of hydraulic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010350706.6A CN111550590A (en) | 2020-04-28 | 2020-04-28 | Control system and control method of hydraulic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111550590A true CN111550590A (en) | 2020-08-18 |
Family
ID=72004081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010350706.6A Pending CN111550590A (en) | 2020-04-28 | 2020-04-28 | Control system and control method of hydraulic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111550590A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116800395A (en) * | 2023-08-23 | 2023-09-22 | 泸州卓远液压有限公司 | 5G-based hydraulic equipment remote control method and device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010063689A (en) * | 1999-12-24 | 2001-07-09 | 서평원 | Method for AO/DI service between exchange and remote access server |
| CN104298165A (en) * | 2014-09-19 | 2015-01-21 | 西北农林科技大学 | PLC control system of orchard working platform |
| CN105257633A (en) * | 2015-11-02 | 2016-01-20 | 天津众达精密机械有限公司 | Intelligent control system for hydraulic system of drilling combined machine tool |
| CN108628369A (en) * | 2018-04-11 | 2018-10-09 | 宁波微能物联科技有限公司 | A kind of long-range closed-loop device control module and control method applied to wisdom agricultural |
| CN212377432U (en) * | 2020-04-28 | 2021-01-19 | 广州宝力特液压密封有限公司 | Control system of hydraulic equipment |
-
2020
- 2020-04-28 CN CN202010350706.6A patent/CN111550590A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010063689A (en) * | 1999-12-24 | 2001-07-09 | 서평원 | Method for AO/DI service between exchange and remote access server |
| CN104298165A (en) * | 2014-09-19 | 2015-01-21 | 西北农林科技大学 | PLC control system of orchard working platform |
| CN105257633A (en) * | 2015-11-02 | 2016-01-20 | 天津众达精密机械有限公司 | Intelligent control system for hydraulic system of drilling combined machine tool |
| CN108628369A (en) * | 2018-04-11 | 2018-10-09 | 宁波微能物联科技有限公司 | A kind of long-range closed-loop device control module and control method applied to wisdom agricultural |
| CN212377432U (en) * | 2020-04-28 | 2021-01-19 | 广州宝力特液压密封有限公司 | Control system of hydraulic equipment |
Non-Patent Citations (3)
| Title |
|---|
| 孙一康: "《冶金过程自动化基础》", 30 November 2006, 冶金工业出版社 * |
| 孟宪章: "《楼宇通信网络实用技术》", 31 July 2007, 中国电力出版社 * |
| 王延年: "基于ＤＳＰ的高精度智能电液伺服控制器的设计", 《西安工程大学学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116800395A (en) * | 2023-08-23 | 2023-09-22 | 泸州卓远液压有限公司 | 5G-based hydraulic equipment remote control method and device |
| CN116800395B (en) * | 2023-08-23 | 2023-10-27 | 泸州卓远液压有限公司 | 5G-based hydraulic equipment remote control method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101444242B1 (en) | Monitoring system for control device in a remote place having the self diagnosis function and method therefor | |
| CN201417390Y (en) | Control system for multiple vacuum contactors | |
| CN201496748U (en) | Intelligent control system of lubricating oil station | |
| CN102294102B (en) | Fire extinguishing system network intelligent control device | |
| CN102635543B (en) | No-harass switch water pump control method | |
| CN202245886U (en) | Control system of winch hoist | |
| CN102635542A (en) | Undisturbed switching water pump control system | |
| EP2584581B1 (en) | Method and relay for communicating a value of a parameter of a source to be monitored | |
| CN110784017A (en) | Intelligent detection device and method for distribution transformer based on real-time data acquisition | |
| CN111550590A (en) | Control system and control method of hydraulic equipment | |
| CN212377432U (en) | Control system of hydraulic equipment | |
| CN211653128U (en) | Meteorological radar remote control and fault diagnosis device | |
| CN105511412A (en) | Frequency conversion speed regulation control system with remote communication function | |
| CN210626962U (en) | Remote monitoring system for running state of electric equipment | |
| CN211370695U (en) | Intelligent control system for water pump | |
| CN208805717U (en) | One kind carrying out PLC remote control module by 4G network | |
| CN208256082U (en) | Automatic bursting machine remote control system | |
| CN109140015B (en) | Valve controller and control method | |
| US20190044468A1 (en) | Method for Operating at Least One Electric Motor and/or Stationary Work Machine Coupled Therewith, and Stationary Work Machine | |
| KR20160138659A (en) | The method and apparatus for managing electric power | |
| CN220450966U (en) | Intelligent control's deep-well pump water supply system | |
| CN106292512A (en) | A kind of network intelligence switch board | |
| CN205983107U (en) | Network intelligence switch board | |
| CN204065821U (en) | A kind of frequency-converting speed-governing control system with remote communicating function | |
| KR20200056140A (en) | Hoist intellectualization terminal system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200818 |