CN119225503A - Equipment power supply control system and method based on MODBUS - Google Patents

Abstract

The invention provides a device power supply control system and method based on MODBUS, wherein the system comprises a central control server, an MODBUS server, an intelligent switch group of the Internet of things, a control terminal, a device database and a client host, wherein all parts of the system are connected through a network protocol, the MODBUS server, the intelligent switch group of the Internet of things, the control terminal and the client host are at least one, the device database is used for recording device information and is connected with the central control server, the control terminal acquires and displays the device information through the central control server and sends an instruction to the MODBUS server to control the intelligent switch group of the Internet of things to realize device power supply control, and the client host is connected with the control terminal through the central control server. By the system, the cross-platform operation can be realized without depending on WEB services, and complex deployment, light weight, high efficiency and simple use are not needed.

Description

MODBUS-based equipment power supply control system and method

Technical Field

The application relates to the field of control of the Internet of things, in particular to a device power supply control system and method based on MODBUS.

Background

The MODBUS network is an industrial communication system which is formed by connecting a programmable controller with an intelligent terminal and a computer through a public line or a local private line, and the system structure comprises hardware and software. By this protocol, controllers can communicate with each other, with controllers and other devices via a network (e.g., ethernet), and are now becoming a common industry standard. By constructing the MODBUS network, control equipment produced by different manufacturers can be connected into an industrial network, so that centralized monitoring is performed.

However, the existing control system of the internet of things is generally complex, is complex in configuration and operation, is unfavorable for installation, deployment and maintenance, is mostly of a B/S architecture, depends on WEB services, is high in delay and cost, and is difficult to realize cross-platform operation.

Disclosure of Invention

In view of the above, the present application provides a device power control system based on MODBUS to solve the above-mentioned problems of the background art.

According to one aspect of the application, a device power supply control system based on MODBUS is provided, the system comprises a central control server, a MODBUS server, an intelligent switch group of the Internet of things, a control terminal, a device database and a client host, wherein all parts of the system are connected through a network protocol, the MODBUS server, the intelligent switch group of the Internet of things, the control terminal and the client host are at least one, the device database is used for recording device information and is connected with the central control server, the control terminal obtains and displays the device information through the central control server and sends an instruction to the MODBUS server to control the intelligent switch group of the Internet of things to realize device power supply control, and the client host is connected with the control terminal through the central control server.

Further, the client host is bound with a portion of the MODBUS server.

Further, the central control server acquires the state information of the MODBUS server by polling the MODBUS server regularly, and registers in the central control server.

Further, the client host transmits back state information of the client host to the central control server at regular time, and registers in the central control server.

Further, when the control terminal executes the instruction, the central control server is used for inquiring the state information of the MODBUS server, and the intelligent switch group of the Internet of things is controlled by sending the instruction to the on-line MODBUS server.

Further, the controlling the intelligent switch group of the Internet of things by sending an instruction to the on-line MODBUS server comprises performing cluster control on the intelligent switch group of the Internet of things corresponding to the MODBUS server or performing independent control on the switch of the intelligent switch group of the Internet of things.

Further, when the instruction is a closing instruction, the method further comprises the steps that if the MODBUS server binds the client host, closing operation of the client host is triggered first, whether the client host is closed or not is judged after preset time, and if the client host is closed, the intelligent switch group of the Internet of things is controlled to be closed.

Further, after the client host is judged to be closed after the preset time, the method further comprises the step of stopping a closing instruction and conducting problem checking if the host equipment is not closed.

According to an aspect of the present application, there is also provided a device power control method based on MODBUS, the method being implemented by the device power control system based on MODBUS, including the steps of:

configuring the device information in the device database;

the central control server polls the state information of the MODBUS server at regular time and registers the state information in the central control server;

The client machine returns state information of the client machine to the central control server at regular time, and registers in the central control server;

and the control terminal controls the intelligent switch group of the Internet of things through the central control server and the MODBUS server.

Further, the control terminal controls the intelligent switch group of the internet of things through the central control server and the MODBUS server, and the intelligent switch group comprises:

the control terminal executes an opening instruction, the central control server is used for inquiring the state information of the MODBUS server, and the intelligent switch group of the Internet of things is controlled by sending the opening instruction to the on-line MODBUS server;

The control terminal executes a closing instruction, the central control server is used for inquiring the state information of the MODBUS server, if the MODBUS server is bound with the client host, the closing operation of the client host is triggered firstly, whether the client host is closed or not is judged after preset time, if the client host is closed, the intelligent switch group of the Internet of things is controlled to be closed, and if the host equipment is not closed, the closing instruction is stopped, and the problem is solved.

The beneficial effects are that:

The application provides an equipment power supply control system based on a MODBUS, which comprises a central control server, the MODBUS server, an intelligent switch group of the Internet of things, a control terminal, an equipment database and a client host, wherein all parts of the system are connected through a network protocol, the MODBUS server, the intelligent switch group of the Internet of things, the control terminal and the client host are at least one, the equipment database is used for recording equipment information and is connected with the central control server, the control terminal acquires and displays the equipment information through the central control server and sends an instruction to the MODBUS server to control the intelligent switch group of the Internet of things to realize equipment power supply control, and the client host is connected with the control terminal through the central control server. By the system, the cross-platform operation can be realized without depending on WEB services, and complex deployment, light weight, high efficiency and simple use are not needed.

Drawings

FIG. 1 is a system block diagram of a MODBUS-based device power control system according to an embodiment of the application;

FIG. 2 is a schematic block diagram illustrating a power control system of a MODBUS-based device according to an embodiment of the present application;

fig. 3 is a flowchart of a method for controlling a power supply of a device based on MODBUS according to an embodiment of the application.

Detailed Description

Various exemplary embodiments, features and aspects of the application will be described in detail below with reference to the drawings. In the drawings, like reference numbers indicate identical or functionally similar elements. Although various aspects of the embodiments are illustrated in the accompanying drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

It should be understood, however, that the terms "center," "longitudinal," "transverse," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," and the like indicate or are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the application or simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The word "exemplary" is used herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.

In addition, numerous specific details are set forth in the following description in order to provide a better illustration of the application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In some instances, well known methods, procedures, components, and circuits have not been described in detail so as not to obscure the present application.

The scheme of the application is applied to the Internet of things, a set of simple and efficient equipment power management system is built by using network protocols such as ModBus, TCP/IP, UDP and the like and a database, the system can cross-platform, does not need complex deployment, is simple to use, can independently control hardware, can divide hardware groups to carry out cluster control, and has the characteristics of disconnection detection, quick response, disconnection reconnection, safe power failure and the like.

Example 1

FIG. 1 shows a system block diagram of a MODBUS-based device power management system according to an embodiment of the application. Referring to fig. 1, the system includes a central control server 100, a MODBUS server 200, an internet of things intelligent switch group 300, a control terminal 400, a device database 500, and a client host 600. Wherein the various parts of the system are communicatively coupled via a network protocol.

Specifically, referring to fig. 2, fig. 2 is a block flow diagram of a MODBUS-based device power management system according to an embodiment of the application. All parts of the system can be connected in a wired way and are communicated through a network protocol, and the communication is carried out through the central control server 100, so that the system is different from a B/S architecture, does not need to rely on WEB services, and can realize cross-platform operation.

The central control server 100 is used for connecting each part of the system for communication. Specifically, the central control server 100 is connected to the MODBUS server 200, the control terminal 400, the device database 500, and the client host 600 through a network protocol, and is responsible for communication of each part. The central control server 100 periodically polls the MODBUS server 200, acquires status information of the MODBUS server 200, including online information, and whether binding with the client host is performed, and registers in the central control server 100.

The central control server 100 may operate in a host computer or in a platform system, and the network may use a LAN or WAN as a transmission stop, which is not particularly limited herein.

The MODBUS server 200 is configured to control the intelligent switch set 300 of the internet of things according to an instruction of the control terminal 400. Specifically, the number of MODBUS servers 200 may be one or more, and each MODBUS server 200 corresponds to one intelligent switch group 300 of the internet of things. Through the MODBUS server, equipment produced by different manufacturers can be compatible, and each intelligent switch group of the Internet of things can communicate with the central control server 100 through the corresponding MODBUS server, so that an industrial network is built, and centralized monitoring is performed.

The intelligent switch set 300 of the internet of things is used for controlling equipment, realizing equipment power management, and controlling the on-off of the power supply of the equipment of the internet of things so as to realize the control of the opening and the breaking of the equipment of the internet of things and the control of the opening and the closing of the equipment of the internet of things. Specifically, the number of the intelligent switch groups 300 of the internet of things can be one or more, and the cluster control of the devices can be realized by dividing different intelligent switch groups of the internet of things, and the devices in the cluster can be independently controlled, so that the efficiency and the flexibility are both considered.

And the control terminal 400 is used for sending an instruction to control the equipment. Specifically, the method comprises the following steps:

The control terminal 400 first obtains the state of the central control server by communicating with the central control server 100, and determines whether the central control server 100 is on-line, if not, the control terminal displays off-line, and if on-line, the control terminal performs the next operation.

The control terminal 400 inquires and displays the device information through the central control server 100, and the central control server 100 acquires the device information transmission through the device database 500.

When the control terminal 400 sends an opening instruction, the control terminal 400 queries the state of the MODBUS server 200 through the central control server 100, if not, the state is marked as offline, if not, the opening instruction is sent to the MODBUS server 200, and the MODBUS controls the corresponding intelligent switch group of the internet of things according to the instruction, so that the switching-on operation of the equipment power supply is realized.

When the control terminal 400 sends a closing instruction, the control terminal 400 queries the state of the MODBUS server 200 through the central control server 100, if not, the state is marked as offline, if not, whether the MODBUS device is bound to the client host 600 is judged, if so, the closing operation of the client host 600 is firstly executed, the closing instruction is sent to the client host 600, after a preset time is reached, whether the client host 600 is successfully closed is judged, if the closing is successful, the closing instruction is sent to the MODBUS server 200, the MODBUS controls the corresponding intelligent switch group of the internet of things according to the instruction, thereby realizing the closing operation of the device power supply, namely closing the corresponding internet of things device, if the closing fails, the closing instruction is stopped, and the fault is checked.

Through the steps, the control of the power supply of the equipment can be realized, and the equipment has the characteristics of disconnection detection, fault detection and the like.

A device database 500 for configuring device information. Specifically, the device information includes a device type and a relationship to which the device belongs. The equipment database contains information of all the equipment, including a central control server, a MODBUS server, a client host, a control terminal and an intelligent switch group of the Internet of things. Each internet of things intelligent switch group can contain control switches for a plurality of different internet of things components, and the control of opening and closing the gates of the internet of things components and equipment in the internet of things intelligent switch group can be carried out through the MODBUS server. The devices may be connected by communication lines and may communicate via a modbus communication protocol. After configuring the device information, the device database 500 is connected to the central control server 100 through a network, and the central control server 100 may query the device database 500 to provide the device information for the control terminal 400. Thereby being convenient for operators to check the condition of the equipment and manage the equipment. The system client host refers to a corresponding Internet of things intelligent switch group and a service host which is equipped or corresponds to an Internet of things equipment manufacturer corresponding to the Internet of things intelligent switch group. When the system is controlled, the client host corresponding to the corresponding Internet of things equipment is closed, and the power supply is disconnected through the MODBUS server. And ensuring the normal operation of a client host corresponding to the Internet of things equipment.

The client host 600 is used for recording device information and transmitting back status information of the client host 600 to the central control server 100. Specifically, the client host 600 may periodically transmit back status information of the client host 600, including heartbeat information, to the central control server 100, so as to determine the online status and the connection status of the client host, and register with the central control server 100. The client host 600 binds with a part of the MODBUS server 200, thereby recording device information in the device operation process and realizing security monitoring.

It should be apparent to those skilled in the art that the implementation of all or part of the above-described embodiments of the method may be implemented by a computer program for instructing relevant hardware, and the program may be stored in a computer readable storage medium, and the program may include the steps of the embodiments of the control methods described above when executed. The modules or steps of the invention described above may be implemented in a general-purpose computing device, they may be centralized in a single computing device, or distributed across a network of computing devices, or they may alternatively be implemented in program code executable by a computing device, such that they may be stored in a memory device and executed by a computing device, or they may be separately fabricated into individual integrated circuit modules, or multiple modules or steps within them may be fabricated into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.

It will be appreciated by those skilled in the art that implementing all or part of the above-described embodiment methods may be implemented by a computer program for instructing relevant hardware, and the program may be stored in a computer readable storage medium, and the program may include the embodiment flow of each control method as described above when executed. The storage medium may be a magnetic disk, an optical disc, a Read-only memory (ROM), a random access memory (RandomAccessMemory, RAM), a flash memory (flash memory), a hard disk (HARDDISKDRIVE, abbreviated as HDD), a Solid state disk (Solid-state disk-STATEDRIVE, SSD), or the like, and the storage medium may further include a combination of the above types of memories.

Example 2

Fig. 3 is a schematic flow chart of a device power control method based on MODBUS according to an embodiment of the application, referring to fig. 3, the schematic flow chart includes:

step 1100, configuring device information in a device database.

Step 1200, the central control server polls the status information of the MODBUS server at regular time, and registers in the central control server. In the step, when the MODBUS server is connected to the whole control system, the MODBUS server can register on the central control server, and when the central control server controls the intelligent switch group of the Internet of things, the MODBUS server controls the intelligent switch group of the Internet of things.

In step 1300, the client sends back state information of the client to the central control server at regular time, and registers in the central control server. In this step, each client host may first register on the central control server when accessing the whole control system. When the central control server controls the intelligent switch group of the Internet of things, whether the client host is registered or not can be inquired, when the client host is registered, the client host is controlled, and then the intelligent switch group of the Internet of things is controlled through the MODBUS server.

In step 1400, the control terminal controls the intelligent switch group of the internet of things through the central control server and the MODBUS server.

Specifically, step 1400 includes:

Step 1410, the control terminal executes an opening instruction, uses the central control server to query the state information of the MODBUS server, and controls the intelligent switch group of the internet of things by sending the opening instruction to the online MODBUS server;

In step 1420, the control terminal executes a shutdown instruction, uses the central control server to query status information of the MODBUS server, if the MODBUS server binds to the client host, triggers a shutdown operation of the client host first, determines whether the client host is shutdown after a predetermined time, if the client host is shutdown, controls the intelligent switch group of the internet of things to be shutdown, and if the host device is not shutdown, stops the shutdown instruction, and performs problem investigation.

The foregoing description of embodiments of the application has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the technical improvements in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims (10)

1. The device power supply control system based on the MODBUS is characterized by comprising a central control server, the MODBUS server, an intelligent switch group of the Internet of things, a control terminal, a device database and a client host, wherein all parts of the system are connected through a network protocol, the MODBUS server, the intelligent switch group of the Internet of things, the control terminal and the client host are at least one, the device database is used for recording device information and is connected with the central control server, the control terminal acquires and displays the device information through the central control server and sends an instruction to the MODBUS server to control the intelligent switch group of the Internet of things to realize device power supply control, and the client host is connected with the control terminal through the central control server.

2. The MODBUS based device power control system of claim 1, wherein the client host is bound to a portion of the MODBUS server.

3. The MODBUS-based device power control system according to claim 1, wherein the central control server acquires status information of the MODBUS server by polling the MODBUS server at regular intervals, and registers with the central control server.

4. The MODBUS-based device power control system of claim 1, wherein the client periodically transmits status information of the client back to the central server and registers with the central server.

5. The MODBUS-based device power control system according to any one of claims 1 to 4, wherein when the control terminal executes the instruction, the central control server is used to query status information of the MODBUS server, and the intelligent switch group of the internet of things is controlled by sending the instruction to the on-line MODBUS server.

6. The MODBUS-based device power control system according to claim 5, wherein the controlling the intelligent switch group of the internet of things by sending an instruction to the on-line MODBUS server comprises performing cluster control on the intelligent switch group of the internet of things corresponding to the MODBUS server or performing independent control on switches in the intelligent switch group of the internet of things.

7. The MODBUS-based device power control system according to claim 5, wherein when the command is a shutdown command, further comprising triggering a shutdown operation of the client if the MODBUS server binds the client, and determining whether the client is shutdown after a predetermined time, and controlling the internet of things intelligent switch group to be shutdown if the client is shutdown.

8. The MODBUS based device power control system according to claim 6, wherein after said determining whether said client host is turned off after a predetermined time, further comprising stopping a turn-off instruction if said host device is not turned off, and performing problem investigation.

9. A MODBUS-based device power control method implemented by the MODBUS-based device power control system of claim 1, comprising the steps of:

configuring device information in the device database;

the MODBUS server registers in the central control server;

the central control server polls the state information of the MODBUS server at regular time;

the client host registers in the central control server;

the client machine returns state information of the client machine to the central control server at regular time,

And the control terminal sends an instruction to the MODBUS server through the central control server, so that the intelligent switch group of the Internet of things is controlled through the MODBUS server.

10. The MODBUS-based device power control method according to claim 9, wherein the control terminal controls the internet of things intelligent switch group through the central control server and the MODBUS server, comprising:

the control terminal executes an opening instruction, the central control server is used for inquiring the state information of the MODBUS server, and the intelligent switch group of the Internet of things is controlled by sending the opening instruction to the on-line MODBUS server;

The control terminal executes a closing instruction, the central control server is used for inquiring the state information of the MODBUS server, if the MODBUS server is bound with the client host, the closing operation of the client host is triggered firstly, whether the client host is closed or not is judged after preset time, if the client host is closed, the intelligent switch group of the Internet of things is controlled to be closed, and if the host equipment is not closed, the closing instruction is stopped, and the problem is solved.