Circuit breaker on-line monitoring system
By installing voltage and current sensors and wireless data transmission devices on circuit breakers, abnormal data can be recorded and stored, solving the problem that traditional circuit breakers cannot record tripping data, and enabling efficient line fault diagnosis and maintenance.
Patent Information
- Application Number
- CN202423275359.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Traditional circuit breakers cannot record the number of trips and abnormal voltage and current data, making fault inspection time-consuming, labor-intensive, inefficient, and difficult to quickly determine the cause of line abnormalities.
Design an online monitoring system for circuit breakers. This system records abnormal data using voltage and current sensors and transmits it wirelessly to a server. Staff can then query the abnormal data via smart terminals or PCs to determine line faults.
It enables quick and convenient identification of line anomalies, improves data query efficiency, saves time and effort, and simplifies the maintenance process.
Smart Images
Figure CN223742676U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of circuit breaker technology, specifically to an online monitoring system for circuit breakers. Background Technology
[0002] A circuit breaker is an important electrical device, also known as an automatic switch. It functions as both a manual switch and an automatic protection against undervoltage, overload, and short circuit. Circuit breakers protect power lines and motors by automatically disconnecting the circuit in case of severe overload, short circuit, or undervoltage faults. In electrical circuits, circuit breakers protect appliances from overcurrent and overvoltage. In the event of a short circuit or severe overload, the circuit breaker will disconnect the circuit, effectively protecting the appliances in the circuit. During a short circuit, the magnetic field generated by the large current (typically 10 to 12 times the rated current) overcomes the counterforce spring, causing the trip unit to activate the operating mechanism and the switch to trip instantaneously.
[0003] However, traditional circuits only operate to disconnect and protect the circuit in response to sudden abnormal voltage or current. They do not record the number of trips or the abnormal voltage or current data for each trip. Therefore, since traditional circuits do not record this abnormal data, when frequent trips occur, workers need to search for the cause of the line abnormality on the corresponding line section. This is not only time-consuming and labor-intensive, but also has low fault inspection efficiency and cannot quickly make a comprehensive judgment on the cause of the line abnormality based on the trip data.
[0004] Therefore, an online monitoring system for circuit breakers is needed to address this problem. Utility Model Content
[0005] The purpose of this invention is to provide an online monitoring system for circuit breakers. This invention uses voltage and current sensors connected to the circuit breaker's terminals. Each time a circuit breaker breaks, the voltage and current sensors record abnormal data, which is then transmitted to a server for data storage via a wireless data transmission device. Operators can connect to the server via a smart terminal or PC to query the abnormal data. Maintenance workers can determine the cause of the line abnormality by examining the characteristics of the abnormal data. This system allows maintenance workers to quickly identify and address line faults, saving time and effort, with high data query efficiency, simple and convenient operation, and strong practicality.
[0006] This utility model is implemented as follows:
[0007] An online monitoring system for circuit breakers includes a circuit breaker body and a monitoring device fixedly mounted on one side of the circuit breaker body. The monitoring device includes a housing, a display screen on the housing, indicator lights below the display screen, and control buttons below the indicator lights. Voltage and current sensors are installed inside the monitoring device and are connected to the circuit breaker's terminals via connecting wires. During installation, data can be set via the control buttons, and the operating status of the voltage and current sensors is displayed via the indicator lights.
[0008] A control processing unit is connected to the voltage and current sensor. The display screen and indicator lights are both connected to the output of the control processing unit. The control buttons are connected to the input of the control processing unit. A wireless data transmission device is provided at the bottom of the monitoring device. The wireless data transmission device is connected to the output of the control processing unit. The control processing unit is connected to a monitoring terminal through the wireless data transmission device. The monitoring terminal includes a server connected to the wireless data transmission device. The server is connected to a PC and wirelessly connected to a smart terminal.
[0009] Furthermore, the control processing unit adopts an STM32 type control processing unit, and the voltage and current sensor adopts a 5SFG0980B12000x type voltage and current sensor. The wireless data transmission device adopts a 4G DTU, and the 4G DTU adopts an MGT571 type 4G DTU. The smart terminal is a smartphone or tablet computer, and there is at least one smart terminal.
[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: By connecting the circuit breaker's wiring port with a voltage and current sensor, abnormal data is recorded each time a circuit breaker is broken. Then, the abnormal data is transmitted to the server for data storage via a wireless data transmission device. Staff can connect to the server to query the abnormal data through a smart terminal or PC. Maintenance workers can judge the cause of the line abnormality by viewing the characteristics of the abnormal data. This allows maintenance workers to quickly identify and grasp the line fault, saving time and effort, with high data query efficiency, simple and convenient operation, and strong practicality. Attached Figure Description
[0011] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.
[0012] Figure 1 This is a schematic diagram of the structure of the device of this utility model;
[0013] Figure 2 This is a schematic diagram of the system structure of this utility model;
[0014] Figure 3 This is a circuit diagram of the control processing unit of this utility model;
[0015] The circuit breaker body 1, circuit breaker toggle switch 11, circuit breaker wiring port 12, wireless data transmission device 2, wireless data transmission device antenna 21, monitoring device 3, display screen 31, signal light 32, and control button 33 are included. Detailed Implementation
[0016] 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 a part of the embodiments of this utility model, not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely represents selected embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.
[0017] Please see Figures 1-3 An online monitoring system for circuit breakers includes a circuit breaker body 1, a monitoring device 3 fixedly mounted on one side of the circuit breaker body 1, the monitoring device 3 including a housing, a display screen 31 on the housing, an indicator light 32 below the display screen 31, and control buttons 33 below the indicator light 32. Voltage and current sensors are installed inside the monitoring device, and the voltage and current sensors are connected to the circuit breaker's connection ports 12 via connecting wires. During installation, data can be set via the control buttons, and the operating status of the voltage and current sensors can be displayed via the indicator lights.
[0018] A control processing unit is connected to the voltage and current sensor. The display screen and indicator lights are both connected to the output of the control processing unit. The control buttons are connected to the input of the control processing unit. A wireless data transmission device is provided at the bottom of the monitoring device. The wireless data transmission device is connected to the output of the control processing unit. The control processing unit is connected to a monitoring terminal through the wireless data transmission device. The monitoring terminal includes a server connected to the wireless data transmission device. The server is connected to a PC and wirelessly connected to a smart terminal.
[0019] The control processing unit is an STM32 microcontroller, and the voltage and current sensor is a 5SFG0980B12000x voltage and current sensor. The wireless data transmission device is a 4G DTU, specifically an MGT571 4G DTU. The smart terminal is a smartphone or tablet computer, and there is at least one smart terminal.
[0020] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A circuit breaker online monitoring system characterized by: The utility model relates to a circuit breaker, including the circuit breaker body (1), fixedly arranged monitoring device (3) on one side of circuit breaker body (1), monitoring device (3) includes the casing, be equipped with display screen (31) on the casing, be equipped with signal light (32) below display screen (31), be equipped with control button (33) below signal light (32), be equipped with voltage current sensor in monitoring device, be connected with control processing unit to voltage current sensor, display screen (31), signal light (32) all are connected with the output of control processing unit, control button (33) is connected with the input of control processing unit, be equipped with wireless data transmission device in the bottom of monitoring device, wireless data transmission device is connected with the output of control processing unit, control processing unit is connected with monitoring end through wireless data transmission device, monitoring end includes the server connected with wireless data transmission device, server is connected with PC end, is connected with intelligent terminal through wireless.
2. The circuit breaker online monitoring system of claim 1, wherein, The control processing unit adopts STM32 type control processing unit, and the voltage current sensor adopts 5SFG0980B12000x type voltage current sensor.
3. The circuit breaker online monitoring system of claim 1, wherein, The voltage current sensor is connected with the wiring port (12) of the circuit breaker through the connecting line.
4. The circuit breaker online monitoring system of claim 1, wherein, The wireless data transmission device (2) adopts 4G DTU, and the 4G DTU adopts MGT571 type 4G DTU.
5. The circuit breaker online monitoring system of claim 1, wherein, The intelligent terminal is a smart phone or a tablet computer, and the intelligent terminal is at least 1.