On-line monitoring device for operating characteristics of circuit breaker

Abstract

The utility model discloses a circuit breaker operating characteristic on-line monitoring device, which comprises a monitoring structure and a circuit breaker, the monitoring structure is connected with a remote monitoring center upper computer, and the monitoring structure is connected with a core-through Hall sensor and a temperature and humidity sensor. The operating current of the circuit breaker is monitored in real time in a non-contact and non-wire-connection mode, original operation of the circuit breaker is not affected, power supply reliability is improved, the nut comprises a nut and a pressing ring, the nut and the pressing ring are connected through a circular ring, a limiting piece is arranged on the inner side wall of the pressing ring, and the limiting piece is used for limiting the moving track of the pressing ring, so that the reliability of power supply is improved. Therefore, the compression ring is stably and linearly contacted and compressed with the wiring board, serious abrasion to the wiring board is avoided, and the connectivity of wiring is ensured.

Description

TECHNICAL FIELD

[0001] The patent relates to the technical field of circuit breaker monitoring, in particular to a circuit breaker action characteristic online monitoring device. BACKGROUND

[0002] The online monitoring device of the circuit breaker can effectively ensure the normal operation of the circuit breaker as an effective monitoring means, and the existing monitoring device is mostly directly connected with the circuit breaker through a wired current sensor. This monitoring method can affect the original operation of the circuit breaker and reduce the reliability of power supply. In addition, the connection position of the circuit breaker is connected with the wiring board through screw bolts or nuts. However, the rotation of the screw bolts or nuts can cause the wear of the wiring board and affect the connectivity. Therefore, the patent provides a circuit breaker action characteristic online monitoring device. CONTENT OF THE UTILITY MODEL

[0003] The patent aims to provide a circuit breaker action characteristic online monitoring device to solve the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the patent provides the following technical scheme: a circuit breaker action characteristic online monitoring device, comprising a monitoring structure and a circuit breaker, wherein the monitoring structure is connected with a remote monitoring center upper computer, and the monitoring structure is connected with a core-penetrating Hall sensor and a temperature and humidity sensor.

[0005] Metal plates are arranged on the left and right sides of the circuit breaker, threaded columns are fixedly installed on the top of the metal plates, wiring boards are sleeved on the threaded columns, nuts are screwed on the top end of the threaded columns, connecting wires are arranged at the end of the wiring boards, the core-penetrating Hall sensor is sleeved outside the connecting wires, and the temperature and humidity sensor is arranged on the upper side of the circuit breaker.

[0006] The monitoring structure comprises a signal processing module, the signal processing module is connected with an A / D conversion circuit, a signal amplification circuit, a signal compiling circuit, a memory, an input / output interface circuit and an output circuit, the input / output interface circuit is connected with an audible and visual alarm module and a data transmission module, and the output circuit is connected with a display screen.

[0007] The nut comprises a nut cap and a compression ring, the nut cap is screwed on the top end of the threaded column, the compression ring is sleeved on the threaded column, a circular groove is arranged on the outer side wall of the compression ring, a circular ring is rotatably installed in the circular groove, a connecting ring is fixedly installed on the outer side wall of the circular ring, the connecting ring is fixedly installed on the outer side wall of the nut cap on the inner side wall of the connecting ring, and limit pieces are arranged on the inner side wall of the compression ring.

[0008] Preferably, the signal processing module adopts an ARM kernel embedded industrial control CPU.

[0009] Preferably, the display screen adopts LED or LCD liquid crystal display.

[0010] Preferably, the sound and light alarm module is composed of a stroboscopic lamp and a loudspeaker.

[0011] Preferably, the limiting piece includes a roller, the inner side wall of the compression ring is provided with a mounting groove at both ends, the mounting groove is connected with the roller through a rotating shaft, the side wall of the threaded column is provided with a rolling groove at both ends, the roller is rolling installed in the rolling groove, and the inner side wall of the compression ring is not in contact with the side wall of the threaded column.

[0012] Preferably, the circular ring includes a first half ring and a second half ring, and the two ends of the first half ring and the second half ring are opposite to each other.

[0013] Compared with the prior art, the patent has the beneficial effects that: the patent is provided with a core-penetrating Hall sensor outside the connecting wire, the operating current of the circuit breaker is monitored in real time in a non-contact and non-wired manner, the original operation of the circuit breaker is not affected, the power supply reliability is improved, the nut includes a nut and a compression ring, the nut and the compression ring are connected through a circular ring, the inner side wall of the compression ring is provided with a limiting piece, the movement track of the compression ring is limited through the limiting piece, the compression ring is stably and linearly in contact with the wiring board for compression, serious abrasion of the wiring board is avoided, and the connectivity of the wiring is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic view of the monitoring device of the patent.

[0015] Figure 2 It is a schematic view of the working process of the monitoring device of the patent.

[0016] Figure 3 It is a schematic view of the circuit breaker of the patent.

[0017] Figure 4 It is a schematic view of the local structure of the patent.

[0018] Figure 5 It is a perspective view of the circular ring of the patent.

[0019] In the figure: 1, monitoring structure, 2, remote monitoring center host computer, 3, core-penetrating Hall sensor, 4, temperature and humidity sensor, 5, circuit breaker, 6, metal plate, 7, threaded column, 8, connecting wire, 9, wiring board, 10, nut, 11, nut, 12, compression ring, 13, circular ring groove, 14, circular ring, 15, connecting ring, 16, roller, 17, mounting groove, 18, rolling groove, 19, first half ring, 20, second half ring. DETAILED DESCRIPTION

[0020] With reference to the drawings of the embodiments of the present patent, the technical solutions in the embodiments of the present patent will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present patent, rather than all the embodiments. Based on the embodiments of the present patent, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present patent.

[0021] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 The present patent provides a technical solution: an online monitoring device for the operating characteristics of a circuit breaker, comprising a monitoring structure 1 and a circuit breaker 5, the monitoring structure 1 being connected with a remote monitoring center host computer 2, the monitoring structure 1 being connected with a core-penetrating Hall sensor 3 and a temperature and humidity sensor 4;

[0022] The left and right sides of the circuit breaker 5 are each provided with a metal plate 6, the top of the metal plate 6 being fixedly installed with a threaded column 7, the threaded column 7 being sleeved with a wiring board 9, the top end of the threaded column 7 being screwed with a nut 10, the end of the wiring board 9 being provided with a connecting wire 8, the core-penetrating Hall sensor 3 being sleeved outside the connecting wire 8, the temperature and humidity sensor 4 being located on the upper side of the circuit breaker 5;

[0023] The temperature and humidity sensor 4 is arranged around the upper side of the circuit breaker 5.

[0024] The monitoring structure 1 comprises a signal processing module, the signal processing module being connected with an A / D conversion circuit, a signal amplification circuit, a signal compiling circuit, a memory, an input / output interface circuit and an output circuit, the input / output interface circuit being connected with an audible and visual alarm module and a data transmission module, the output circuit being connected with a display screen;

[0025] The nut 10 comprises a screw cap 11 and a compression ring 12, the screw cap 11 being screwed at the top end of the threaded column 7, the compression ring 12 being sleeved on the threaded column 7, the outer sidewall of the compression ring 12 being provided with a circular groove 13, the circular groove 13 being rotatably installed with a circular ring 14, the outer sidewall of the circular ring 14 being fixedly installed with a connecting ring 15, the inner sidewall of the connecting ring 15 being fixedly installed on the outer sidewall of the screw cap 11 on the upper side, the inner sidewall of the compression ring 12 being provided with a limiting piece at the left and right ends.

[0026] The shape and size of the circular ring 14 match the shape and size of the inside of the circular groove 13, the circular ring 14 can only rotate in the circular groove 13 and cannot move in other directions in the circular groove 13, for enabling the screw cap 11 and the compression ring 12 to rotate relatively, and when the screw cap 11 moves up and down, the compression ring 12 can also be driven to move up and down simultaneously through the circular ring 14.

[0027] Specifically, the signal processing module adopts an ARM kernel embedded industrial control CPU.

[0028] Specifically, the display screen adopts LED or LCD liquid crystal display.

[0029] Specifically, the sound and light alarm module is composed of a stroboscopic lamp and a loudspeaker.

[0030] Specifically, the limiting piece includes a roller 16, the inner side wall of the compression ring 12 is provided with a mounting groove 17 at both ends, the roller 16 is connected with the mounting groove 17 through a rotating shaft, the side wall of the threaded column 7 is provided with a rolling groove 18 at both ends, the roller 16 is rollingly installed in the rolling groove 18, and the inner side wall of the compression ring 12 is not in contact with the side wall of the threaded column 7.

[0031] The roller 16 is rollingly installed in the rolling groove 18, which is used to limit the movement track of the compression ring 12, so that it can only move up and down and stably contact the terminal board 9.

[0032] Specifically, the circular ring 14 includes a first half ring 19 and a second half ring 20, and the two ends of the first half ring 19 and the second half ring 20 are opposite to each other.

[0033] By dividing the circular ring 14 into the first half ring 19 and the second half ring 20, it is convenient to install the circular ring 14 in the circular groove 13 in the early stage, and after the installation is completed, the outer side walls of the first half ring 19 and the second half ring 20 are fixed to the inner side wall of the connecting ring 15.

[0034] Working principle: when working, the A / D conversion circuit, the signal amplification circuit, the signal compiling circuit and the memory of the monitoring structure 1 convert, amplify and process the feedback circuit breaker parameter data of the core-penetrating Hall sensor 3 and the temperature and humidity sensor 4, and process and transmit the data to the input / output interface circuit and the output circuit by the signal processing module, wherein the display screen connected with the output circuit of the monitoring structure 1 displays, the sound and light alarm module connected with the input / output interface circuit of the monitoring structure 1 warns, the data transmission module connected with the input / output interface circuit of the monitoring structure 1 transmits the diagnosis information to the remote monitoring center upper computer 2, and the monitoring personnel adjusts the circuit breaker working parameters in time (when the parameter information is poor) through the control signal input module, so as to realize the purpose of efficient detection and control.

[0035] It should be noted that the device structure and the drawings of the patent mainly describe the principle of the patent, and the setting of the power mechanism, the power supply system and the control system of the device is not completely described in the technical principle of the design, and the specific power mechanism, power supply system and control system can be clearly known by the person skilled in the art under the premise of understanding the principle of the above patent.

[0036] In the description of the present patent, it needs to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present patent and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation; at the same time, unless otherwise explicitly specified and limited, the terms "set", "install", "connect", "fixedly install" and the like should be understood in a broad sense, for example, can be fixedly connected, can also be detachably connected, or integrated; can be mechanically connected, can also be electrically connected; can be directly connected, can also be indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited, the above-mentioned terms in the present patent can be understood according to the specific meaning in the specific circumstances by the ordinary skilled in the art.

[0037] Although the embodiments of the present patent have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present patent, the scope of the present patent is defined by the appended claims and their equivalents.

Claims

1. An on-line monitoring device for circuit breaker operating characteristics, characterized by: It includes monitoring structure (1) and circuit breaker (5), the monitoring structure (1) is connected with remote monitoring center host computer (2), the monitoring structure (1) is connected with core type hall sensor (3) and temperature and humidity sensor (4); The left and right sides of the circuit breaker (5) are provided with metal plates (6), the top of the metal plate (6) is fixedly installed with a threaded column (7), the threaded column (7) is sleeved with a wiring board (9), the top end of the threaded column (7) is screwed with a nut (10), the end of the wiring board (9) is provided with a connecting line (8), the core type hall sensor (3) is sleeved outside the connecting line (8), and the temperature and humidity sensor (4) is located on the upper side of the circuit breaker (5); The monitoring structure (1) includes a signal processing module, the signal processing module is connected with an A / D conversion circuit, a signal amplification circuit, a signal compiling circuit, a memory, an input / output interface circuit and an output circuit, the input / output interface circuit is connected with an audible and visual alarm module and a data transmission module, and the output circuit is connected with a display screen. The nut (10) includes a screw cap (11) and a compression ring (12), the screw cap (11) is screwed on the top end of the threaded column (7), the compression ring (12) is sleeved on the threaded column (7), the outer side wall of the compression ring (12) is provided with a circular groove (13), the circular groove (13) is rotatably installed with a circular ring (14), the outer side wall of the circular ring (14) is fixedly installed with a connecting ring (15), the inner side wall of the connecting ring (15) is fixedly installed on the outer side wall of the screw cap (11), and the inner side wall of the compression ring (12) is provided with a limiting piece at the left and right ends.

2. The circuit breaker operating characteristic on-line monitoring device according to claim 1, characterized in that: The signal processing module adopts an ARM kernel embedded industrial control CPU.

3. The circuit breaker operating characteristic on-line monitoring device of claim 1, wherein: The display screen adopts an LED or LCD liquid crystal display.

4. The circuit breaker operating characteristic on-line monitoring device of claim 1, wherein: The audible and visual alarm module is composed of a stroboscopic lamp and a loudspeaker.

5. The circuit breaker operating characteristic on-line monitoring device of claim 1, wherein: The limiting piece includes a roller (16), the inner side wall of the compression ring (12) is provided with a mounting groove (17) at the left and right ends, the mounting groove (17) is connected with the roller (16) through a rotating shaft, the side wall of the threaded column (7) is provided with a rolling groove (18) at the left and right ends, the roller (16) is rollingly installed in the rolling groove (18), and the inner side wall of the compression ring (12) is not in contact with the side wall of the threaded column (7).

6. The circuit breaker operating characteristic on-line monitoring device of claim 1, wherein: The circular ring (14) includes a first half ring (19) and a second half ring (20), and the two ends of the first half ring (19) and the second half ring (20) are opposite to each other.

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