Remote operation system of frequency conversion PLC cabinet

By integrating communication, monitoring, processing, and alarm modules into the frequency converter PLC cabinet, real-time monitoring and alarm triggering are achieved, solving the problem of not being able to determine the equipment status during remote control and ensuring safety and reliability.

CN119298606AInactive Publication Date: 2025-01-10NANJING KANGKONG SOFTWARE TECH CO LTD
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Patent Information

Application Number
CN202411397073.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-09
Publication Date
2025-01-10
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

When operating existing variable frequency PLC cabinets remotely, operators cannot determine the equipment's operating status, leading to continued operation under abnormal conditions and potentially causing safety accidents.

Method used

A remote operating system for a variable frequency PLC cabinet was designed, including a communication module, an equipment monitoring module, a processing module, a control module, an alarm module, and a recording module. By monitoring temperature, current, and voltage data in real time, setting thresholds, generating abnormal data signals, and triggering an alarm mechanism, the system ensures that operators can promptly understand the equipment status and stop operation.

Benefits of technology

It enables timely detection of equipment malfunctions during remote control, preventing safety accidents and improving operational safety and reliability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of electrical equipment, in particular to a frequency conversion PLC cabinet remote operation system which comprises a communication module, an equipment monitoring module, a processing module, a control module, an alarm module and a recording module. The processing module receives data of the equipment detection module and analyzes the data, when state information parameters of the running equipment exceed a preset threshold value, the processing module generates and sends out an abnormal data signal, the control module receives the abnormal data signal sent by the processing module and sends out a control driving instruction to the alarm module, and the alarm module gives an alarm. After the alarm module receives the driving instruction sent by the receiving control module, an alarm mechanism is triggered immediately, and an operator can quickly judge that the equipment breaks down according to the alarm information sent by the alarm module, so that a user can be prevented from continuing to remotely control the equipment, and safety accidents are avoided.
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Description

Technical Field

[0001] The present invention relates to the technical field of electrical equipment, and in particular to a variable frequency PLC cabinet remote operating system. Background Art

[0002] Traditional control methods mostly use hard-wired logic. If you want to change the control object or production process, you need to rewire and change a large number of hardware circuits, which is labor-intensive and costly.

[0003] The existing variable frequency PLC cabinet is used to control the equipment. The control logic is stored in the memory in the form of a program. When adjustments are needed, only the program needs to be modified without large-scale hardware modifications. This greatly improves the flexibility and scalability of the system. It can flexibly set a variety of working modes and parameters according to different working scenarios and needs. At the same time, it can respond to changes in external input signals in real time and dynamically adjust control strategies.

[0004] The frequency conversion PLC cabinet operating system can also use remote control signal input to dynamically adjust the control strategy, but when the existing frequency conversion PLC cabinet is remotely controlled, the operator cannot judge the operating status of the frequency conversion PLC cabinet, so when the frequency conversion PLC cabinet continues to be remotely controlled in an abnormal state, it is easy for operational safety accidents to occur. Summary of the invention

[0005] The purpose of the present invention is to provide a remote operating system for a variable frequency PLC cabinet, aiming to solve the problem that when the existing variable frequency PLC cabinet is remotely controlled, the operator is unable to judge the operating status of the variable frequency PLC cabinet, thereby easily causing operational safety accidents when the variable frequency PLC cabinet continues to be remotely controlled in an abnormal state.

[0006] To achieve the above-mentioned object, the present invention provides a variable frequency PLC cabinet remote operation system, comprising a communication module, an equipment monitoring module, a processing module, a control module, an alarm module and a recording module, wherein the equipment monitoring module is connected to the communication module, the processing module is connected to the equipment monitoring module, the control module is connected to the processing module, the alarm module is connected to the control module, and the recording module is connected to the processing module.

[0007] The communication module is used to establish a stable network connection with a remote server or terminal, so that remote operation instructions can be sent to the equipment cabinet, and the status information of the equipment can be fed back to the remote user in a timely manner;

[0008] The equipment monitoring module is used to collect temperature, current and voltage data of the communication module area and send the monitoring data;

[0009] The processing module is used to receive and analyze the data sent by the device detection module, and set a threshold value. When the state information parameter of the running device exceeds the preset threshold value, an abnormal data signal is generated, and the generated abnormal data signal is immediately sent out;

[0010] The control module is used to receive the abnormal data signal sent by the processing module and send out the control drive instruction;

[0011] The alarm module is used to receive the driving instruction issued by the control module and immediately trigger the alarm mechanism;

[0012] The recording module is used to receive the abnormal data signal sent by the processing module and record the abnormal data.

[0013] The device detection module includes a temperature unit and a current and voltage unit, and the temperature unit and the current and voltage unit are connected to the communication module respectively.

[0014] The temperature unit is used to evenly distribute temperature sensors in the device to monitor the temperature of the device in real time when it is remotely operated;

[0015] The current and voltage unit is used to install current and voltage monitoring devices on the power supply system of each electronic component to monitor its operating current and voltage.

[0016] The alarm module includes a sound source alarm unit and a light source alarm unit, and the sound source alarm unit and the light source alarm unit are connected to the control module respectively.

[0017] The sound source alarm unit is used to generate sound source alarm information;

[0018] The light source alarm unit is used to generate light source alarm information.

[0019] The variable frequency PLC cabinet remote operating system further comprises an interaction module, which is connected to the communication module.

[0020] The interactive module is used to provide an intuitive operation interface for remote users, and provide function buttons and input boxes for remote operations, through which users can send operation instructions.

[0021] The variable frequency PLC cabinet remote operating system further comprises an emergency stop module, which is connected to the communication module.

[0022] The emergency stop module is used to set an emergency stop button at a conspicuous position of all equipment, which can be pressed at any time to immediately interrupt the remote control operation of the equipment.

[0023] The variable frequency PLC cabinet remote operating system further includes a security module, which is connected to the interactive module.

[0024] The security module is used for information encryption and access control of device control transmission data to ensure that remote operations are not interfered with by other irrelevant instructions.

[0025] The security module includes an encryption unit, a user authentication unit and an access control unit, wherein the encryption unit is connected to the interaction module, the user authentication unit is connected to the encryption unit, and the access control unit is connected to the user authentication unit.

[0026] The encryption unit is used to encrypt the transmitted data to prevent the data from being stolen or tampered with during the transmission process;

[0027] The user authentication unit is used to authenticate the remote user to ensure that only legitimate users can perform remote operations;

[0028] The access control unit is used to control the access rights of remote users and limit their operating scope and functions on the system according to their roles and levels.

[0029] The present invention discloses a variable frequency PLC cabinet remote operation system, wherein the communication module is arranged in the equipment, the communication module and the user's terminal realize data transmission, the remote operation instruction issued by the user's terminal can be sent to the equipment, and the state information of the equipment can also be fed back to the remote user's terminal in time through the communication module, so as to achieve the purpose of remotely controlling the variable frequency equipment, and at the same time, the temperature, current and voltage data of the communication module and the equipment area in the equipment are collected and monitored through the monitoring components in the equipment monitoring module, and the monitoring data are sent out, the data sent out by the equipment detection module is received and analyzed through the processing module, and a threshold is set in the processing module, when the state information parameter of the running equipment exceeds the preset threshold, the processing module will generate an abnormal data signal, and the generated abnormal data signal is immediately sent out, the abnormal data signal sent out by the processing module is received through the control module, when the control module receives the abnormal data signal, a control driving instruction is sent out to the alarm module, after the alarm module receives the driving instruction sent out by the receiving control module, the alarm module is started, and the alarm mechanism is immediately triggered, the operator can quickly judge that the equipment has a fault according to the alarm information sent out by the alarm module, so as to stop the user from continuing to remotely control the equipment, and avoid the occurrence of safety accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0031] Figure 1 It is a structural diagram of a variable frequency PLC cabinet remote operating system according to the first embodiment of the present invention.

[0032] Figure 2 It is a schematic diagram of the structure of the equipment monitoring module of the first embodiment of the present invention.

[0033] Figure 3 It is a schematic structural diagram of an alarm module according to the first embodiment of the present invention.

[0034] Figure 4 It is a structural diagram of a variable frequency PLC cabinet remote operating system according to a second embodiment of the present invention.

[0035] Figure 5 It is a schematic structural diagram of a security module according to a second embodiment of the present invention.

[0036] In the figure: 101-communication module, 102-equipment monitoring module, 103-processing module, 104-control module, 105-alarm module, 106-recording module, 107-interaction module, 108-emergency stop module, 109-temperature unit, 110-current and voltage unit, 111-sound source alarm unit, 112-light source alarm unit, 201-security module, 202-encryption unit, 203-user authentication unit, 204-access control unit. DETAILED DESCRIPTION

[0037] Embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be construed as limiting the present invention.

[0038] The first embodiment of the present application is:

[0039] See also Figures 1 to 3 ,in, Figure 2 It is a schematic diagram of the structure of the equipment monitoring module of the first embodiment of the present invention. Figure 3 It is a schematic structural diagram of an alarm module according to the first embodiment of the present invention.

[0040] The present invention provides a remote operation system for a variable frequency PLC cabinet, comprising a communication module 101, an equipment monitoring module 102, a processing module 103, a control module 104, an alarm module 105, a recording module 106, an interaction module 107 and an emergency stop module 108, wherein the equipment detection module comprises a temperature unit 109 and a current and voltage unit 110, and the alarm module 105 comprises a sound source alarm unit 111 and a light source alarm unit 112. The above-mentioned scheme solves the problem that when the existing variable frequency PLC cabinet is remotely controlled, the operator cannot judge the operation status of the variable frequency PLC cabinet, thereby facilitating the occurrence of operational safety accidents when the variable frequency PLC cabinet is remotely controlled in an abnormal state.

[0041] According to this specific implementation, the device monitoring module 102 is connected to the communication module 101, the processing module 103 is connected to the device monitoring module 102, the control module 104 is connected to the processing module 103, the alarm module 105 is connected to the control module 104, and the recording module 106 is connected to the processing module 103;

[0042] The communication module 101 is used to establish a stable network connection with a remote server or terminal, so that remote operation instructions can be sent to the device and the device status information can be fed back to the remote user in a timely manner;

[0043] The equipment monitoring module 102 is used to collect temperature, current and voltage data of the communication module 101 area and send the monitoring data;

[0044] The processing module 103 is used to receive and analyze the data sent by the device detection module, and set a threshold value. When the state information parameter of the running device exceeds the preset threshold value, an abnormal data signal is generated, and the generated abnormal data signal is immediately sent out;

[0045] The control module 104 is used to receive the abnormal data signal sent by the processing module 103 and send a control drive instruction;

[0046] The alarm module 105 is used to receive the driving instruction issued by the control module 104 and immediately trigger the alarm mechanism;

[0047] The recording module 106 is used to receive the abnormal data signal sent by the processing module 103 and record the abnormal data.

[0048] The communication module 101 is set in the device. The communication module 101 uses Ethernet, Wi-Fi, GPRS, 4G / 5G and other communication methods to realize data transmission with the user's terminal. The remote operation command issued by the user's terminal can be sent to the device, and the status information of the device can also be fed back to the remote user's terminal in time through the communication module 101, so as to achieve the purpose of remote control of the device. At the same time, the temperature, current and voltage data of the communication module 101 and the device area in the device are collected and monitored through the monitoring components in the device monitoring module 102, and the monitoring data is sent out. The data sent by the device detection module is received and analyzed through the processing module 103, and a Threshold, when the status information parameter of the running device exceeds the preset threshold, the processing module 103 will generate an abnormal data signal, and the generated abnormal data signal will be immediately sent out, and the abnormal data signal sent by the processing module 103 will be received by the control module 104. When the control module 104 receives the abnormal data signal, it sends a control drive instruction to the alarm module 105. After the alarm module 105 receives the drive instruction sent by the receiving control module 104, it starts the alarm module 105 and immediately triggers the alarm mechanism. The operator can quickly determine that the equipment has a fault based on the alarm information sent by the alarm module 105, thereby preventing the user from continuing to remotely control the equipment and avoiding the occurrence of safety accidents.

[0049] Wherein, the temperature unit 109 and the current and voltage unit 110 are respectively connected to the communication module 101;

[0050] The temperature unit 109 is used to evenly distribute temperature sensors in the device to monitor the temperature of the device in real time when it is remotely operated;

[0051] The current and voltage unit 110 is used to install current and voltage monitoring devices on the power supply system of each electronic component to monitor its operating current and voltage.

[0052] The temperature unit 109 evenly distributes high-precision temperature sensors inside the device to monitor the temperature of each area in real time. The temperature sensors should be able to accurately sense and transmit temperature change data to the processing module 103 to ensure the real-time and accuracy of the temperature data; the current and voltage unit 110 installs current and voltage monitoring devices on the power supply system and remote control transmission line of each device to monitor whether its working current and voltage are within the normal range to prevent equipment failure due to power supply problems.

[0053] Secondly, the sound source alarm unit 111 and the light source alarm unit 112 are respectively connected to the control module 104;

[0054] The sound source alarm unit 111 is used to generate sound source alarm information;

[0055] The light source alarm unit 112 is used to generate light source alarm information.

[0056] The sound source alarm unit 111 uses a buzzer and its corresponding circuit, and the light source alarm unit 112 uses an alarm lamp and its corresponding circuit, and the generated alarm sound and alarm light facilitate the operator to receive the alarm information in time.

[0057] At the same time, the interaction module 107 is connected to the communication module 101;

[0058] The interaction module 107 is used to provide an intuitive operation interface for remote users, and provide function buttons and input boxes for remote operations, through which users can send operation instructions.

[0059] The interactive module 107 can provide an intuitive operation interface for remote users, display the operating status, parameter information, alarm information, etc. of the variable frequency PLC cabinet, and users can operate and monitor through the graphical interface to quickly and easily understand the operation of the system. At the same time, it provides function buttons and input boxes for remote operation, and users can send operation instructions through the interface, such as start, stop, speed regulation, etc. At the same time, the interface can also display the results and feedback information of the operation, so that users can understand the execution of the operation in a timely manner, so as to achieve the purpose of interaction between users and the system.

[0060] Finally, the emergency stop module 108 is connected to the communication module 101;

[0061] The emergency stop module 108 is used to set an emergency stop button at a conspicuous position of all equipment, which can be pressed at any time to immediately interrupt the remote control operation of the equipment.

[0062] The emergency stop module 108 sets an emergency stop button at a conspicuous position of all devices, and the user can press it at any time to immediately interrupt the remote control operation of the device, ensuring that the remote control operation of the device can be quickly interrupted in an emergency, thereby improving the overall safety performance.

[0063] A centralized remote management operating system for a pump station is used in the present embodiment, wherein the communication module 101 is arranged in the device, and the communication module 101 adopts communication methods such as Ethernet, Wi-Fi, GPRS, 4G / 5G, etc. to realize data transmission with the user's terminal. The remote operation command issued by the user's terminal can be sent to the device, and the status information of the device can also be fed back to the remote user's terminal in time through the communication module 101, so as to achieve the purpose of remote control of the device, and at the same time, the temperature, current and voltage data of the communication module 101 and the device area in the device are collected and monitored through the monitoring components in the device monitoring module 102, and the monitoring data is sent out, and the data sent by the device detection module is received and analyzed through the processing module 103, and in the A threshold is set in the processing module 103. When the status information parameter of the running device exceeds the preset threshold, the processing module 103 will generate an abnormal data signal, and the generated abnormal data signal will be immediately sent out. The abnormal data signal sent by the processing module 103 is received by the control module 104. When the control module 104 receives the abnormal data signal, it sends a control drive instruction to the alarm module 105. After the alarm module 105 receives the drive instruction sent by the receiving control module 104, the alarm module 105 is started and the alarm mechanism is immediately triggered. The operator can quickly determine that the equipment has a fault based on the alarm information sent by the alarm module 105, thereby preventing the user from continuing to remotely control the equipment and avoiding the occurrence of safety accidents.

[0064] The second embodiment of the present application is:

[0065] Based on the first embodiment, please refer to Figure 4 and Figure 5 ,in, Figure 4 It is a structural diagram of a variable frequency PLC cabinet remote operating system according to a second embodiment of the present invention. Figure 5 It is a schematic structural diagram of a security module according to a second embodiment of the present invention.

[0066] The pump station centralized remote management operating system of this embodiment further includes a security module 201 , and the security module 201 includes an encryption unit 202 , a user authentication unit 203 and an access control unit 204 .

[0067] For this specific implementation, the security module 201 is connected to the interaction module 107;

[0068] The security module 201 is used for information encryption and access control of device control transmission data to ensure that remote operations are not interfered with by other irrelevant instructions.

[0069] The security module 201 can monitor the control and transmission data of the interactive module 107 in the device, confirm the identity information of the operator, and ensure that the operator can remotely command the device correctly.

[0070] The encryption unit 202 is connected to the communication module 101, the user authentication unit 203 is connected to the encryption unit 202, and the access control unit 204 is connected to the user authentication unit 203;

[0071] The encryption unit 202 is used to encrypt the transmitted data to prevent the data from being stolen or tampered with during the transmission process;

[0072] The encryption unit 202 uses advanced encryption algorithms to ensure the security and confidentiality of data.

[0073] The user authentication unit 203 is used to authenticate the remote user to ensure that only legitimate users can perform remote operations;

[0074] The user authentication unit 203 can use a variety of authentication methods such as user name and password, digital certificate, fingerprint recognition, etc. to improve the security of the system.

[0075] The access control unit 204 is used to control the access rights of remote users and limit their operating scope and functions on the system according to their roles and levels.

[0076] The access control unit 204 is used to input and manage personnel information in a classified manner, ensuring that the system gives corresponding control authority to the access personnel in remote control.

[0077] A centralized remote management operating system for a pump station using the present embodiment can confirm the identity of the operator who remotely inputs input into the equipment through close collaboration and efficient connection between the modules, and grant corresponding operating rights to the equipment to the personnel with the corresponding identities, thereby avoiding erroneous remote operation of the equipment by irrelevant personnel, and further avoiding losses caused by erroneous operation.

[0078] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A variable frequency PLC cabinet remote operating system, characterized in that: It includes a communication module, an equipment monitoring module, a processing module, a control module, an alarm module and a recording module, wherein the equipment monitoring module is connected to the communication module, the processing module is connected to the equipment monitoring module, the control module is connected to the processing module, the alarm module is connected to the control module, and the recording module is connected to the processing module. The communication module is used to establish a stable network connection with a remote server or terminal, so that remote operation instructions can be sent to the device and the device status information can be fed back to the remote user in a timely manner; The equipment monitoring module is used to collect temperature, current and voltage data of the communication module area and send the monitoring data; The processing module is used to receive and analyze the data sent by the device detection module, and set a threshold value. When the state information parameter of the running device exceeds the preset threshold value, an abnormal data signal is generated, and the generated abnormal data signal is immediately sent out; The control module is used to receive the abnormal data signal sent by the processing module and send out the control drive instruction; The alarm module is used to receive the driving instruction issued by the control module and immediately trigger the alarm mechanism; The recording module is used to receive the abnormal data signal sent by the processing module and record the abnormal data.

2. The variable frequency PLC cabinet remote operating system according to claim 1, characterized in that: The device detection module includes a temperature unit and a current and voltage unit, and the temperature unit and the current and voltage unit are connected to the communication module respectively. The temperature unit is used to evenly distribute temperature sensors in the device to monitor the temperature of the device in real time when it is remotely operated; The current and voltage unit is used to install current and voltage monitoring devices on the power supply system of each electronic component to monitor its operating current and voltage.

3. The variable frequency PLC cabinet remote operating system according to claim 1, characterized in that: The alarm module includes a sound source alarm unit and a light source alarm unit, and the sound source alarm unit and the light source alarm unit are connected to the control module respectively. The sound source alarm unit is used to generate sound source alarm information; The light source alarm unit is used to generate light source alarm information.

4. The variable frequency PLC cabinet remote operating system according to claim 1, characterized in that: The variable frequency PLC cabinet remote operating system also includes an interaction module, which is connected to the communication module. The interactive module is used to provide an intuitive operation interface for remote users, and provide function buttons and input boxes for remote operations, through which users can send operation instructions.

5. The variable frequency PLC cabinet remote operating system according to claim 1, characterized in that: The variable frequency PLC cabinet remote operating system also includes an emergency stop module, which is connected to the communication module. The emergency stop module is used to set an emergency stop button at a conspicuous position of all equipment, which can be pressed at any time to immediately interrupt the remote control operation of the equipment.

6. The variable frequency PLC cabinet remote operating system according to claim 4, characterized in that: The variable frequency PLC cabinet remote operating system also includes a safety module, which is connected to the interactive module. The security module is used for information encryption and access control of device control transmission data to ensure that remote operations are not interfered with by other irrelevant instructions.

7. The variable frequency PLC cabinet remote operating system according to claim 6, characterized in that: The security module includes an encryption unit, a user authentication unit and an access control unit, wherein the encryption unit is connected to the interaction module, the user authentication unit is connected to the encryption unit, and the access control unit is connected to the user authentication unit. The encryption unit is used to encrypt the transmitted data to prevent the data from being stolen or tampered with during the transmission process; The user authentication unit is used to authenticate the remote user to ensure that only legitimate users can perform remote operations; The access control unit is used to control the access rights of remote users and limit their operating scope and functions on the system according to their roles and levels.