CN210693444U - Intelligent arc light protection monitoring device - Google Patents
Intelligent arc light protection monitoring device Download PDFInfo
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- CN210693444U CN210693444U CN201921920252.0U CN201921920252U CN210693444U CN 210693444 U CN210693444 U CN 210693444U CN 201921920252 U CN201921920252 U CN 201921920252U CN 210693444 U CN210693444 U CN 210693444U
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- arc light
- light protection
- protection monitoring
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- control unit
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Abstract
The utility model relates to a circuit protection device especially relates to an intelligence electric arc light protection monitoring devices, include metal casing and establish intelligent electric arc light protection monitoring system in the metal casing, intelligence electric arc light protection monitoring system comprises electric arc light protection main control unit and the optical fiber formula arc light sensor of communication connection with it, electric arc light protection main control unit has 2 ethernet mouths and 1 RS485 interface, and the communication protocol supports IEC61850, IEC103, and standard modBus RTU agreement to dispose 3 electric current collection module and a plurality of sensor interfaces. The utility model discloses a three criterions of arc light, electric current and open voltage, fine protection system's equipment is not damaged by the arcing accident, ensures operating personnel safety, falls to fault loss minimum, for the rapid processing trouble, resumes the power supply and has created the condition.
Description
Technical Field
The utility model relates to a circuit protection device especially relates to an intelligence electric arc light protection monitoring devices.
Background
In a 3-35 kV middle-low voltage distribution network system in China, when a bus has a short-circuit fault, the generated arc light can cause great damage to equipment and personnel. However, at present, dedicated fast bus protection is not generally configured in a domestic medium-low voltage bus system, but bus short-circuit faults are removed by means of backup protection of a transformer at the upper stage, so that the fault removal time is prolonged, the damage degree of equipment is increased, accidents are further expanded possibly when damage is serious, the stable operation of the system is threatened, the problem is paid high attention to by professionals in the industry, and thus an arc light protection device is produced by operation.
Disclosure of Invention
The utility model aims at providing an intelligent arc light protection monitoring device according to the characteristic that the neutral point of the distribution system of China is grounded through small current.
In order to solve the technical problem, the utility model discloses take following technical scheme:
the utility model provides an intelligence electric arc light protection monitoring devices, includes metal casing and establishes intelligent electric arc light protection monitoring system in the metal casing, intelligence electric arc light protection monitoring system comprises electric arc light protection main control unit and the optical fiber formula arc light sensor of communication connection with it, electric arc light protection main control unit has 2 ethernet mouths and 1 RS485 interface, and communication protocol supports IEC61850, IEC103, and standard modBus RTU agreement to dispose 3 electric current collection module and a plurality of sensor interface.
Preferably, the fiber-optic arc sensor comprises an optical cable, a probe and angle iron, wherein the optical cable is connected to the probe, and the probe is fixed on the angle iron through a nut.
Preferably, the curvature of the cable is greater than 30 mm.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses intelligence electric arc light protection monitoring devices adopts metal casing physical stamina effectively to shield electromagnetic interference, through
The three criteria of arc light, current and open-circuit voltage are used, and the sampling of the optical fiber arc light sensor is used, so that the interference of natural light such as a flashlight, a flash lamp, sunlight and thunder can be avoided, single-phase grounding and interphase arcing faults can also be distinguished, the correct action of the arc light protection device can be ensured, the on-site verification can also be carried out on equipment, the equipment of a good protection system is not damaged by arcing accidents, the safety of operators is ensured, the fault loss is reduced to the minimum, and conditions are created for rapidly processing faults and recovering power supply.
Drawings
FIG. 1 is a schematic view of the electrical connection structure of the present invention;
FIG. 2 is a schematic view of the electrical working principle of the present invention;
fig. 3 is a schematic structural diagram of the optical fiber type arc light sensor of the present invention.
Detailed Description
Referring to the attached drawings 1, 2 and 3, the intelligent arc light protection monitoring device comprises a metal shell and an intelligent arc light protection monitoring system arranged in the metal shell, wherein the intelligent arc light protection monitoring system is composed of an arc light protection main control unit and an optical fiber type arc light sensor in communication connection with the arc light protection main control unit, the arc light protection main control unit is provided with 2 Ethernet ports and 1 RS485 interface, a communication protocol supports IEC61850 and IEC103, a standard ModBus RTU protocol, and 3 groups of current acquisition modules and a plurality of sensor interfaces are configured.
Preferably, the fiber-optic arc sensor comprises an optical cable 1, a probe 2 and an angle iron 3, wherein the optical cable 1 is connected to the probe 2, and the probe 2 is fixed on the angle iron 3 through a nut.
Preferably, the curvature of the cable 1 is greater than 30 mm.
The utility model discloses intelligence arc light protection monitoring devices adopts metal casing physical stamina effectively to shield electromagnetic interference, connects optic fibre formula arc light sensor in arc light protection main control unit's sensor interface, and the arc light signal of 2 catches of probe can be transmitted for arc light protection main control unit, and arc light protection main control unit can trigger alarm device and report to the police and the tripping operation. As shown in the attached drawing 2, the utility model discloses according to the characteristic of china's distribution system neutral point through undercurrent ground connection, the arc light has been integrated, three criterions of electric current and open circuit voltage, when single-phase ground connection and alternate arcing trouble, the alarm device warning and tripping operation can be triggered to the arc light protection main control unit, arc light, the correct action of arc light protection device is ensured in electric current and open circuit voltage comprehensive judgement, also can carry out the on-the-spot verification to equipment, fine protection system's equipment is not damaged by the arcing accident, ensure operating personnel safety, fall to the minimum with the fault loss, for the rapid processing trouble, the condition has been created in the recovery power supply.
Claims (3)
1. The utility model provides an intelligence arc light protection monitoring devices, includes metal casing and establishes intelligence arc light protection monitoring system in the metal casing, its characterized in that: the intelligent arc light protection monitoring system is composed of an arc light protection main control unit and an optical fiber arc light sensor in communication connection with the arc light protection main control unit, wherein the arc light protection main control unit is provided with 2 Ethernet ports and 1 RS485 interface, a communication protocol supports IEC61850, IEC103 and a standard ModBus RTU protocol, and 3 groups of current acquisition modules and a plurality of sensor interfaces are configured.
2. The intelligent arc light protection monitoring device of claim 1, wherein: the optical fiber type arc light sensor comprises an optical cable, a probe and angle iron, wherein the optical cable is connected to the probe, and the probe is fixed on the angle iron through a nut.
3. The intelligent arc light protection monitoring device of claim 2, wherein: the curvature of the cable is greater than 30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921920252.0U CN210693444U (en) | 2019-11-08 | 2019-11-08 | Intelligent arc light protection monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921920252.0U CN210693444U (en) | 2019-11-08 | 2019-11-08 | Intelligent arc light protection monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210693444U true CN210693444U (en) | 2020-06-05 |
Family
ID=70887515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921920252.0U Active CN210693444U (en) | 2019-11-08 | 2019-11-08 | Intelligent arc light protection monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210693444U (en) |
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2019
- 2019-11-08 CN CN201921920252.0U patent/CN210693444U/en active Active
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