Circuit breaker detection device and circuit breaker

Abstract

The utility model relates to power system detection and protection technical field, especially the circuit breaker detection device and circuit breaker, including detection equipment, the front end of detection equipment is set gradually from left to right with wire one, wire two, wire three, wire four and wire five respectively, the other end fixed connection has circuit breaker equipment with wire one and wire five, and wire one and wire two are located on the right upper portion of circuit breaker equipment, the other end fixed connection has pulse equipment with wire two and wire three, the outer surface middle part fixed connection of circuit breaker equipment has bandage, and the front side of circuit breaker equipment is fixedly connected with pulse equipment through bandage, the other end of wire four is fixed in the right lower portion of circuit breaker equipment, the circuit breaker detection device and circuit breaker of the utility model, this circuit breaker detection device and circuit breaker realize efficient accurate detection through optimization structure and detection technique, have the advantages such as simple structure, low cost, strong anti -interference.

Description

Technical Field

[0001] This utility model relates to the field of power system detection and protection technology, and in particular to a circuit breaker detection device and a circuit breaker. Background Technology

[0002] In power systems, circuit breakers, as key control and protection devices, play an important role in connecting and disconnecting circuits under normal and fault conditions. The stability of their working state is directly related to the safe and reliable operation of the power system. In order to ensure that circuit breakers can work normally and detect potential faults in a timely manner, it is particularly important to conduct real-time and accurate detection of circuit breakers. However, there are still many problems in practical applications.

[0003] Currently, there are various circuit breaker testing technologies and devices on the market. Some traditional testing methods mainly rely on regular manual inspections and simple electrical parameter measurements. Manual inspections are not only inefficient, but also difficult to detect potential faults in a timely manner, especially in the early stages of a fault. Simple electrical parameter measurements often only provide limited information and cannot provide a comprehensive and in-depth understanding of the circuit breaker's operating status. Some automated testing devices have complex structures, containing a large number of electronic components and complex circuit designs, resulting in high equipment costs and difficulties in installation and maintenance. Therefore, we have launched a circuit breaker testing device and circuit breaker. Utility Model Content

[0004] The main purpose of this utility model is to provide a circuit breaker detection device and a circuit breaker, which can effectively solve the problems in the background art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A circuit breaker testing device and a circuit breaker, including a testing device, wherein the front end of the testing device is provided with wire 1, wire 2, wire 3, wire 4 and wire 5 from left to right respectively;

[0007] The other ends of conductor one and conductor five are fixedly connected to a circuit breaker device, and conductor one and conductor two are located on the upper right side of the circuit breaker device;

[0008] The other ends of the second and third conductors are fixedly connected to a pulse device, and a strap is fixedly connected to the middle of the outer surface of the circuit breaker device. The pulse device is fixedly connected to the front side of the circuit breaker device by the strap.

[0009] The other end of the conductor four is fixed to the lower right side of the circuit breaker device.

[0010] Preferably, all of the wires, including wire 1, wire 2, wire 3, wire 4 and wire 5, are insulated wires with an insulation layer thickness of 2mm-3mm.

[0011] Preferably, the connection between the second and third wires and the pulse device adopts a plug-in structure, which facilitates quick disassembly and replacement of the pulse device.

[0012] Preferably, the connection points of conductor one and conductor five with the circuit breaker device are provided with a metal shielding layer.

[0013] Preferably, when the strap wraps around the middle of the outer surface of the circuit breaker device, it is located at the center height of the pulse device, so that the pulse device remains horizontal and fixed.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. In this utility model, the electrical connection between the detection equipment and the circuit breaker equipment and the pulse equipment enables real-time monitoring of the circuit breaker's operating status. The detection equipment can automatically collect and analyze relevant electrical parameters, eliminating the need for regular manual inspections and greatly improving detection efficiency.

[0016] 2. In this utility model, the detection equipment can not only collect the basic electrical parameters of the circuit breaker, but also conduct in-depth detection of the insulation performance and contact status inside the circuit breaker through the pulse signal generated by the pulse device. Through comprehensive analysis of this information, the working status of the circuit breaker can be fully and accurately understood, and potential fault hazards can be detected in a timely manner.

[0017] 3. In this utility model, the structure of the device is simple and reasonable. It adopts a pluggable wire connection method, which facilitates quick disassembly and replacement of pulse equipment, reduces the difficulty of equipment installation and maintenance, and at the same time reduces unnecessary electronic components and complex circuits, effectively reducing equipment costs.

[0018] 4. In this utility model, the conductor is an insulated conductor with an insulation layer thickness of 2mm-3mm, and a metal shielding layer is set at the connection point of conductor one and conductor five with the circuit breaker equipment, which can effectively avoid external electromagnetic interference and ensure the stability and accuracy of signal transmission. In addition, the detection equipment adopts advanced signal processing and analysis technology, which improves the detection accuracy and reliability and reduces the occurrence of misjudgment and missed judgment. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the circuit breaker detection device and the circuit breaker of this utility model;

[0020] Figure 2 This is a schematic diagram of the overall process structure of the circuit breaker detection device and the circuit breaker of this utility model;

[0021] Figure 3This is a schematic diagram of the process framework for the circuit breaker testing device and the circuit breaker with an arc extinguishing diameter of <80mm (small tubular type).

[0022] Figure 4 This is a schematic diagram of the process framework for the circuit breaker testing device and the circuit breaker with an arc extinguishing diameter of 80mm-100mm (medium-sized tubular type).

[0023] Figure 5 This is a schematic diagram of the process framework for the circuit breaker testing device and the circuit breaker with an arc extinguishing diameter of 100mm-110mm (large tubular type) of this utility model;

[0024] Figure 6 This is a schematic diagram of the process framework for the circuit breaker detection device and the circuit breaker with an arc extinguishing diameter >110mm (ultra-large tubular type).

[0025] In the diagram: 1. Detection equipment; 2. Wire 1; 3. Wire 2; 4. Wire 3; 5. Wire 4; 6. Wire 5; 7. Circuit breaker equipment; 8. Binding strap; 9. Pulse equipment. Detailed Implementation

[0026] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0027] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0028] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0029] Please see Figure 1-6 This utility model provides a technical solution:

[0030] The circuit breaker testing device and the circuit breaker include a testing device 1, and the front end of the testing device 1 is provided with conductor 1 2, conductor 2 3, conductor 3 4, conductor 4 5 and conductor 5 6 from left to right respectively;

[0031] The other ends of conductor 1 2 and conductor 5 6 are fixedly connected to circuit breaker device 7, and conductor 1 2 and conductor 2 3 are located on the upper right side of circuit breaker device 7;

[0032] The other ends of conductor 2 3 and conductor 3 4 are fixedly connected to pulse device 9, and the outer surface of circuit breaker device 7 is fixedly connected to strap 8. Pulse device 9 is fixedly connected to the front side of circuit breaker device 7 through strap 8.

[0033] The other end of conductor 4 5 is fixed to the lower right side of circuit breaker device 7;

[0034] Wires 1-2, Wire 2-3, Wire 3-4, Wire 4-5, and Wire 5-6 are all insulated wires with an insulation layer thickness of 2mm-3mm. Wires 2-3 and Wire 3-4 are connected to the pulse device 9 using a plug-in structure, facilitating quick disassembly and replacement of the pulse device 9. Wires 1-2 and Wire 5-6 are connected to the circuit breaker device 7 with a metal shielding layer. When the binding strap 8 wraps around the middle of the outer surface of the circuit breaker device 7, it is positioned at the center height of the pulse device 9, keeping the pulse device 9 horizontally fixed.

[0035] like Figure 3 The above scheme involves sampling the current waveform of small tubes, processing the sampled data using a short arc analysis module, and determining the alarm based on time. If the alarm conditions are met, an alarm is triggered. On the other hand, contact wear is detected and the wear rate is calculated. Based on the wear rate, an alarm is triggered. This allows for timely monitoring of the current waveform and short arc of small tubes, rapid detection of abnormalities, and alarm triggering. Simultaneously, contact wear can be quantitatively detected, facilitating early prediction of equipment status, providing a basis for maintenance and repair, and ensuring stable equipment operation.

[0036] like Figure 4 The above scheme involves: using six channels to simultaneously acquire data for medium-sized pipes, followed by gas pressure monitoring, and then dynamic medium strength calculation. After a composite judgment, if the current and pressure meet the standards, thermal imaging analysis is performed to determine if the temperature gradient is less than 5° and to mark it. If any indicator exceeds the standard, emergency termination occurs. Multi-channel simultaneous acquisition allows for comprehensive data acquisition, gas pressure and dynamic medium strength monitoring effectively assess insulation performance, and thermal imaging analysis further monitors the temperature status. When a condition exceeds the standard, emergency termination can be initiated quickly to prevent the fault from escalating and ensure the safety of equipment and the system.

[0037] like Figure 5 The above scheme involves: first, performing a three-level pre-breakdown test on large-sized pipes, then calculating the thermal stability threshold, and verifying the index with two quantities. If the index is less than or equal to 0.9, a full parameter check is performed to determine whether all parameters are within the threshold and to mark them. If the index is greater than or equal to 0.9, the power is immediately cut off. Through pre-breakdown testing and thermal stability calculation, potential insulation breakdown risks can be detected in advance. The two-quantity verification and full parameter check ensure the accuracy of the judgment. Power is cut off in time in case of abnormalities to avoid equipment damage and accidents, thereby improving equipment reliability.

[0038] like Figure 6 The above scheme involves: after starting the seismic platform for extra-large tubular structures, applying a limiting current, followed by a three-dimensional magnetic field scan to comprehensively assess vibration and current conditions. If the conditions are met, an indicator is displayed; if any abnormality is detected, a fault tree is generated. The seismic platform and limiting current loading simulate special working conditions, while the three-dimensional magnetic field scan comprehensively assesses the magnetic field status. This comprehensive assessment effectively determines the overall operating status of the equipment. Generating a fault tree in case of anomalies facilitates rapid location of the fault cause, improving troubleshooting and handling efficiency.

[0039] It should be noted that this utility model is a circuit breaker detection device and a circuit breaker. The detection device 1, as the core control and data acquisition component, has, from left to right, wires 2, 3, 4, 5, and 6 at its front end. These wires are all insulated, with an insulation layer thickness between 2mm and 3mm, effectively preventing signal interference and leakage. The other ends of wires 2 and 6 are fixedly connected to the circuit breaker device 7. Wires 2 and 3 are located on the upper right side of the circuit breaker device 7, and the other end of wire 5 is fixed on the lower right side of the circuit breaker device 7. Furthermore, a metal shielding layer is provided at the connection point between wires 2 and 6 and the circuit breaker device 7 to shield against external electromagnetic interference, ensuring the stability and accuracy of signal transmission. The other ends of wires 3 and 4 are fixedly connected to the pulse device 9. This connection uses a plug-in structure, facilitating quick disassembly and replacement of the pulse device 9, and simplifying equipment maintenance and repair. At the same time, a strap 8 is fixed to the middle of the outer surface of the circuit breaker device 7. The pulse device 9 is fixed to the front side of the circuit breaker device 7 by the strap 8. When the strap 8 is wrapped around the middle of the outer surface of the circuit breaker device 7, it is located at the center height of the pulse device 9, so that the pulse device 9 is kept horizontal and fixed, ensuring its working stability. When the detection device 1 is started, it will establish an electrical connection with the circuit breaker device 7 through wire 1 2 and wire 5 6, and collect relevant electrical parameters of the circuit breaker device 7, such as current and voltage. At the same time, the detection device 1 will send a control signal to the pulse device 9 through wire 2 3 and wire 3 4, so that the pulse device 9 generates a specific pulse signal. The pulse signal is transmitted to the detection device 1 through wire 2 3 and wire 3 4. The detection device 1 analyzes and processes the pulse signal, and combined with the collected electrical parameters of the circuit breaker device 7, determines whether the working status of the circuit breaker device 7 is normal. If an abnormality is found, the detection device 1 will issue an alarm signal in time to prompt the staff to carry out maintenance.

[0040] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A circuit breaker testing device and a circuit breaker, including testing equipment (1), characterized in that: The front end of the detection device (1) is provided with wire 1 (2), wire 2 (3), wire 3 (4), wire 4 (5) and wire 5 (6) from left to right respectively; The other ends of the first conductor (2) and the fifth conductor (6) are fixedly connected to the circuit breaker device (7), and the first conductor (2) and the second conductor (3) are located on the upper right side of the circuit breaker device (7); The other ends of the second conductor (3) and the third conductor (4) are fixedly connected to a pulse device (9), and a strap (8) is fixedly connected to the middle of the outer surface of the circuit breaker device (7). The pulse device (9) is fixedly connected to the front side of the circuit breaker device (7) by the strap (8). The other end of the conductor four (5) is fixed to the lower right side of the circuit breaker device (7).

2. The circuit breaker detection device and circuit breaker according to claim 1, characterized in that: The first wire (2), the second wire (3), the third wire (4), the fourth wire (5), and the fifth wire (6) are all insulated wires, and their insulation layer thickness is 2mm-3mm.

3. The circuit breaker detection device and circuit breaker according to claim 1, characterized in that: The connection between the second (3) and the third (4) wires and the pulse device (9) adopts a plug-in structure, which facilitates quick disassembly and replacement of the pulse device (9).

4. The circuit breaker detection device and circuit breaker according to claim 1, characterized in that: The connection points of conductor 1 (2) and conductor 5 (6) with the circuit breaker device (7) are provided with a metal shielding layer.

5. The circuit breaker detection device and circuit breaker according to claim 1, characterized in that: When the strap (8) is wrapped around the middle of the outer surface of the circuit breaker device (7), it is located at the center height of the pulse device (9), so that the pulse device (9) is kept horizontally fixed.

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