PLC monitoring linkage device

Abstract

The utility model relates to a PLC monitoring linkage device, and belongs to the technical field of monitoring equipment. The device comprises a plurality of cameras used for monitoring a belt conveyor material conveying workshop; the PLC is used for connecting and controlling the operation of field belt conveyor equipment; and the industrial control host is connected with the plurality of cameras and the PLC, and is used for polling and scanning related alarm variables of the PLC, outputting a fault alarm signal when the related alarm variables exceed a threshold range, sending out a voice prompt alarm based on the fault alarm signal, displaying a camera picture corresponding to a fault and displaying PLC information corresponding to the fault. The voice prompt alarm can effectively prompt an operator, so that the operator can notice the alarm, timely check the displayed camera picture corresponding to the fault and the PLC information corresponding to the fault, and timely deal with the fault, thereby avoiding the expansion of the negative influence of the fault, and improving the safety of the operator. The electrical maintenance personnel can dispose the fault line according to the PLC information corresponding to the fault without finding the fault by contrasting with a drawing, so that the working efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of monitoring equipment technology, and in particular to a PLC monitoring linkage device. Background Technology

[0002] In a conveyor belt conveyor workshop, when a high-speed conveyor belt malfunctions, the fault alarm information is usually displayed on the HMI (Human Machine Interface) screen. However, if the operator does not detect the fault within the specified window, they need to retrieve the field monitoring data from the main monitoring unit to view the fault information. Furthermore, missing the window can amplify the negative impact of the fault, causing a rapid increase in material leakage from the conveyor belt. Additionally, if the fault alarm involves wiring within the PLC cabinet, electrical maintenance personnel must refer to the schematics to locate the fault, resulting in low work efficiency. Utility Model Content

[0003] Therefore, it is necessary to provide a PLC monitoring and linkage device that can avoid the amplification of the negative impact of failures and has high working efficiency to address the above-mentioned technical problems.

[0004] This utility model provides a PLC monitoring and linkage device, comprising:

[0005] Multiple cameras are used to monitor the conveyor belt material handling workshop;

[0006] PLC is used to connect to and control the operation of on-site belt conveyor equipment;

[0007] The industrial control host connects the multiple cameras and the PLC, and is used to poll and scan the relevant alarm variables of the PLC. When the relevant alarm variables exceed the threshold range, the host outputs a fault alarm signal, and based on the fault alarm signal, issues a voice reminder alarm, displays the camera image corresponding to the fault, and displays the PLC information corresponding to the fault.

[0008] In one embodiment, a human-machine interface is also included, which is connected to the PLC via a switch.

[0009] In one embodiment, the industrial control host displays the camera image for a first preset duration based on the fault alarm signal and then returns to the PLC to poll and scan the relevant alarm variables, and records the alarm information, including the alarm time, the corresponding camera image, and the corresponding PLC information.

[0010] In one embodiment, the PLC information includes the wiring number and terminal number inside the PLC cabinet.

[0011] In one embodiment, an audible and visual alarm is also included, which is connected to the industrial control host and is used to issue an audible and visual alarm based on the fault alarm signal.

[0012] In one embodiment, a mobile terminal is also included, which is communicatively connected to the industrial control host and is used to issue a ring alarm based on the fault alarm signal, display the camera image corresponding to the fault, and display the PLC information corresponding to the fault.

[0013] The aforementioned PLC monitoring and linkage device, when the belt conveyor equipment malfunctions, will cause the relevant alarm variables of the PLC used to control the operation of the malfunctioning belt conveyor to exceed the threshold range, generating an anomaly. After the industrial control host scans the anomaly, it outputs a fault alarm signal, followed by a voice alarm notification, display of the corresponding camera footage, and display of the corresponding PLC information. The voice alarm notification effectively alerts the operators, allowing them to notice the alarm and promptly check the displayed camera footage and PLC information, thus enabling timely handling of the fault and preventing its negative impact from escalating. At the same time, electrical maintenance personnel can address the faulty circuit based on the corresponding PLC information without having to refer to schematics to find the fault, improving work efficiency. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of a PLC monitoring and linkage device according to one embodiment.

[0016] Figure label:

[0017] 110. Industrial control host; 120. PLC; 130. Camera; 140. HMI; 50. Switch. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0019] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on the other component or there may be an intermediate component. When a component is considered to be "connected to" another component, it can be directly connected to the other component or there may be an intermediate component present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this specification are for illustrative purposes only and do not represent the only possible implementation.

[0020] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0021] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0022] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the art to which this specification belongs. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used in this specification includes any and all combinations of one or more of the associated listed items.

[0023] The following is combined Figure 1 This invention describes a PLC monitoring and linkage device.

[0024] like Figure 1 As shown, in one embodiment, a PLC monitoring and linkage device includes an industrial control host 110, a PLC 120, multiple cameras 130, and a human-machine interface 140. The industrial control host 110 is connected to the PLC 120 and the multiple cameras 130 through a switch 50.

[0025] Multiple cameras 130 are installed at different locations in the conveyor belt material handling workshop to monitor the workshop and transmit the monitoring images of different conveyor belt equipment to the host computer 110. A PLC 120 is used to connect to and control the operation of the conveyor belt equipment on site. The industrial control host computer 110 polls and scans relevant alarm variables of the PLC 120, outputs a fault alarm signal when the relevant alarm variable exceeds the threshold range, and issues a voice alarm, displays the corresponding camera image, and shows the corresponding PLC information based on the fault alarm signal. The industrial control host computer 110 implements voice functionality via a connected speaker. A human-machine interface (HMI) 140 is connected to the PLC 120. The industrial control host computer 110 and the HMI 140 are deployed in the main control room, and multiple cameras 130 are deployed in key equipment areas on site. A switch 50 connects the industrial control host computer 110, monitoring cameras 130, PLC 130, and HMI 140.

[0026] In this embodiment, the PLC monitoring and linkage device, when a belt conveyor malfunctions, will cause the relevant alarm variables of the PLC 120 used to control the operation of the malfunctioning belt conveyor to exceed the threshold range, generating an anomaly. After the industrial control host 110 scans the anomaly, it outputs a fault alarm signal, and then provides a voice alarm, displays the camera footage corresponding to the fault, and shows the PLC information corresponding to the fault. The voice alarm can effectively remind the operator, making the operator notice the alarm and promptly check the displayed camera footage and PLC information corresponding to the fault, thereby handling the fault in a timely manner and avoiding the expansion of the negative impact of the fault. At the same time, electrical maintenance personnel can handle the faulty circuit according to the PLC information corresponding to the fault without having to refer to the drawings to find the fault, thus improving work efficiency.

[0027] In this embodiment, the industrial control host 110 displays the camera image based on the fault alarm signal for a first preset duration, then returns to the PLC 130 to poll the relevant alarm variables and scan the screen, recording alarm information including the alarm time, the corresponding camera image, and the corresponding PLC information. Operators can query historical alarm information based on conditions such as time and content. The industrial control host 110 stores PLC fault alarm variables, the corresponding camera addresses, and a list of camera devices; these lists can be specifically configured and modified.

[0028] PLC information includes the wiring numbers and terminal numbers within the PLC cabinet. Optionally, the industrial control host 110 continuously polls and scans relevant PLC alarm variables. When a PLC alarm occurs, the operator may be busy with work and not check the screen of the industrial control host 110 in time. In this case, the industrial control host 110 will automatically sound an alarm twice and display the camera footage of the relevant alarm device on the screen for 30 seconds. During this time, the operator can directly view the alarm screen. After 30 seconds, the screen automatically closes and returns to the alarm polling screen.

[0029] In this embodiment, the PLC monitoring and linkage device also includes an audible and visual alarm and a mobile terminal. The audible and visual alarm is connected to the industrial control host 110 and is used to issue an audible and visual alarm based on the fault alarm signal. The mobile terminal is communicatively connected to the industrial control host 110 and is used to issue a ring alarm, display the camera image corresponding to the fault, and display the PLC information corresponding to the fault based on the fault alarm signal.

[0030] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0031] The above-described embodiments are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the appended claims.

Claims

1. A PLC monitoring linkage device characterized by comprising: The application relates to a belt conveyor fault alarm system, which comprises the following: a plurality of cameras for monitoring a belt conveyor vehicle room; a PLC for connecting and controlling the operation of field belt conveyor equipment; an industrial control host machine connected with the plurality of cameras and the PLC, for polling and scanning relevant alarm variables of the PLC, outputting a fault alarm signal when the relevant alarm variables exceed a threshold range, and issuing a voice prompt alarm, displaying a camera picture corresponding to the fault and showing PLC information corresponding to the fault based on the fault alarm signal.

2. The PLC supervisory linkage of claim 1, wherein, The system further comprises a human-computer interface connected with the PLC through a switch.

3. The PLC supervisory linkage of claim 1, wherein, The industrial control host machine returns to the polling and scanning picture of the relevant alarm variables of the PLC after displaying the camera picture for a first preset time length based on the fault alarm signal, and records alarm information, including alarm time, a corresponding camera picture and corresponding PLC information.

4. The PLC supervisory linkage of claim 3, wherein, The PLC information comprises a PLC cabinet internal line number and a terminal number.

5. The PLC supervisory link of claim 1, wherein, The system further comprises an audible and light alarm connected with the industrial control host machine, for issuing an audible and light alarm based on the fault alarm signal.

6. The PLC monitoring linkage according to any one of claims 1 to 5, wherein The system further comprises a mobile terminal in communication connection with the industrial control host machine, for issuing a ring alarm, displaying a camera picture corresponding to the fault and showing PLC information corresponding to the fault based on the fault alarm signal.

Images