CN210577947U - A rapid fault location device for ring network unit - Google Patents

Abstract

The utility model provides a device for quickly locating faults in a ring network unit, which comprises a fault acquisition system, a controller and a central workstation; the fault acquisition system is used to collect and send parameter information of the ring network unit to the controller, wherein The fault acquisition system includes a current sensor, a voltage sensor, a temperature sensor, a smoke sensor and a live indicator installed in the ring network unit; the controller is used to receive the parameter information sent by the fault acquisition system and integrate it into monitoring results , and then send the integrated monitoring results to the central workstation through the communication device installed on the controller; the central workstation is used to receive the monitoring results sent by the controller, and determine the ring network based on the monitoring results. Whether the unit is faulty, and determine the specific parameter information; the central workstation at least includes: a fault diagnosis system, a geographic information system, an inspection information system, and a communication system.

Description

A rapid fault location device for ring network unit

technical field

The utility model belongs to the technical field of electric power, in particular to a device for quickly locating faults of a ring network unit.

Background technique

The ring network unit is a breaking unit in the ring network cabinet, switch station and other equipment of the distribution cable line, and has the functions of breaking and redistributing the load of the cable line. Now with the increase of cable utilization in urban areas, the ring network unit The number is also increasing. Because the ring network unit is the breaking point of the cable line, it is often the weak point of the line, and faults often occur, and the fault point is usually located inside the cabinet, so it is impossible to clearly determine whether there is a fault from the appearance. After the failure, maintenance personnel often need to conduct "targetless" line inspections, which is inefficient and may also have missed inspections. At present, some enterprises have installed monitoring equipment near the ring network unit, which can transmit video data to enterprise computers or mobile devices, but this monitoring method has many problems such as information processing lag, low accuracy, and inability to quickly locate. Still can't solve the problem of fast positioning of the ring network unit. In addition, the current ring network units do not have the functions of automatic temperature measurement, negative measurement and health evaluation. Based on the above points, the existing arrangement of ring network units adds a lot of trouble to the difficulty of fault handling and power supply reliability of the distribution network.

SUMMARY OF THE INVENTION

Aiming at the problems existing in the prior art, the utility model provides a device for quickly locating faults in a ring network unit. The technical scheme of the present utility model is:

A device for quickly locating faults in a ring network unit, comprising: a fault acquisition system, a controller and a central workstation;

The fault acquisition system is used to collect and send the parameter information of the ring network unit to the controller, wherein the fault acquisition system includes a current sensor, a voltage sensor, a temperature sensor, a smoke sensor and a live indication installed in the ring network unit device;

The controller is used to receive the parameter information sent by the fault acquisition system, integrate it into monitoring results, and then send the integrated monitoring results to the central workstation through the communication device installed on the controller;

The central workstation is used to receive the monitoring results sent by the controller, and based on the monitoring results to determine whether the ring network unit is faulty, and to determine specific parameter information; the central workstation at least includes: a fault diagnosis system, a geographic Information system, inspection information system, and communication system; the parameter information includes: the cause of the failure and the location of the failure.

Further, the controller is specifically a single-chip microcomputer.

Further, the communication device includes at least a 4G module and an Ethernet module.

Further, the positioning device further includes a wireless alarm device, the wireless alarm device is installed around the ring network unit, and the wireless alarm device and the central workstation are wirelessly connected.

Further, the positioning device further includes a mobile control terminal, and the mobile control terminal is connected with the central workstation by means of GPRS or short message.

The beneficial effect of the utility model is that: the utility model can monitor the current and voltage of the ring network unit in an all-round way by establishing a fault location device for the ring network unit, which covers a current sensor, a voltage sensor, a temperature sensor, a smoke sensor and a live indicator. , temperature, smoke concentration and electrification information, and then transmit the information through the controller and the central workstation. The central workstation serves the purpose of remotely managing the ring network unit. On the one hand, it can reduce the workload of the operation and maintenance of the ring network unit and improve the inspection and maintenance. On the other hand, it can solve the technical problems of low signal acquisition accuracy and inaccurate monitoring of the existing ring network unit monitoring device, so as to achieve the purpose of fast positioning and fast processing.

Description of drawings

Fig. 1 is a structural schematic diagram of the positioning device of the present invention, wherein, 1-ring network cabinet/opening and closing station, 2-ring network unit, 3-current sensor, 4-voltage sensor, 5-temperature sensor, 6- Smoke sensor, 7-live indicator, 8-controller, 9-central workstation, 10-mobile control terminal, 11-wireless alarm device.

Detailed ways

The current sensor adopted in the implementation of the utility model is MP25P1 type current sensor.

The voltage sensor used in the implementation of the utility model is a Hall voltage sensor, and the detection range is 0-300A.

The temperature sensor used in the implementation of the utility model is an NTC type temperature sensor.

The smoke sensor used in the implementation of the utility model is a gas-sensing smoke sensor.

The electrification indicator adopted in the implementation of the utility model is a CX-LK type electrification indicator.

In order to make the purposes, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions of the present utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present utility model. not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

The present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments, which are to explain rather than limit the present utility model.

Example 1

As shown in FIG. 1 , this embodiment provides a schematic structural diagram of a device for quickly locating faults in a ring network unit, including: a fault collection system, a controller 8 and a central workstation 9;

The fault acquisition system is used to collect the parameter information of the ring network unit 2 of the ring network cabinet/switching station 1 and send it to the controller 8, wherein the fault acquisition system includes a current sensor installed in the ring network unit 2 3. Voltage sensor 4, temperature sensor 5, smoke sensor 6 and charge indicator 7, the current sensor 3, the voltage sensor 4, the temperature sensor 5, the smoke sensor 6 and the charge indicator 7 are respectively It is used to detect the current, voltage, temperature, smoke concentration and electrification of the ring network unit 2.

The controller 8 is specifically an AT89S52 single-chip microcomputer, which is a low-power, high-performance CMOS 8-bit microcontroller, which is used to receive the parameter information sent by the fault acquisition system, and integrate it into monitoring results. The latter monitoring result is sent to the central workstation 9 through the communication device installed on the controller 8; the communication device at least includes a 4G module and an Ethernet module.

The central workstation 9 is a computer host system installed in the company, with a display screen, which is used to receive the monitoring results sent by the controller, and determine whether the ring network unit fails based on the monitoring results, and determine whether the ring network unit is faulty. Specific parameter information; the central workstation at least includes: a fault diagnosis system, a geographic information system, an inspection information system, and a communication system; the parameter information includes: the cause of the fault and the location of the fault. In the embodiment of the present invention, the fault diagnosis system is an intelligent computer application program, including: various fault information storage databases in the field of electrical technology; an inference engine that provides fault discrimination results according to the fault information according to set rules; storage The original data of fault information and the database of various intermediate information obtained in the process of fault discrimination and reasoning; the artificial interface for human-computer information interaction; the interpreter that interprets the fault discrimination basis, reasoning process and discrimination results; Updated Tech Center. The geographic information system is a technical system that collects, stores, manages, calculates, analyzes and describes the relevant geographic distribution data of all ring network units in the entire city under the support of computer software and hardware systems. The utility model extracts the relevant data of the geographic information of the area where the ring network unit is located (such as the specific address of the ring network unit) from the geographic information system. The inspection information system is used to provide the serial number of the ring network unit, the circuit number, the maintenance records of daily operation and maintenance, the operating years of the equipment, the historical failure causes of the distribution network to be monitored, the number of failures of the distribution network to be monitored, etc. .

The positioning device further includes a wireless alarm device 11, the wireless alarm device 11 is installed around the ring network unit, and the wireless alarm device 11 and the central workstation 9 are connected wirelessly (such as 4G, SMS, etc.). . When the central workstation determines that a ring network unit is faulty, it directly remotely activates the wireless alarm device 11 to issue an audio alarm or an alarm with both an optical signal and an audio signal to warn the surrounding crowd not to approach the ring network unit.

The positioning device also includes a mobile control terminal 10, specifically a mobile phone, which is connected to the central workstation through GPRS or short message, that is, when the central workstation determines that a certain ring network unit is faulty, it will Notify the staff in the responsible area through GPRS or short message, and the staff can go to the inspection and maintenance. If the fault information of the on-site inspection does not match the fault information sent to the mobile phone, the staff can also feed back the actual fault information to the fault. The diagnostic system performs real-time diagnostic data updates.

In the prior art, it mainly relies on regular inspections by inspectors to eliminate faults, and in a few areas, simple fault location is carried out by means of fault indicators and installation of camera devices, but the effect is not ideal, and the probability of misjudgment and missed judgment. Compared with the existing methods, the utility model can monitor the ring network unit in all aspects by establishing a fault location device for the ring network unit, which covers a current sensor, a voltage sensor, a temperature sensor, a smoke sensor and a live indicator. The current, voltage, temperature, smoke concentration and charged information are transmitted through the controller and the central workstation. The central workstation serves the purpose of remotely managing the ring network unit. On the one hand, it can reduce the workload of the operation and maintenance of the ring network unit. Improve the work efficiency of inspection and maintenance personnel; on the other hand, it can solve the technical problems of low signal acquisition accuracy and inaccurate monitoring of the existing ring network unit monitoring device, so as to achieve the purpose of fast positioning and fast processing.

Example 2

This embodiment provides a method for quickly locating a fault of a ring network unit, using the locating device described in Embodiment 1, including the following steps:

Step 1: Obtain the monitoring result of the ring network unit, wherein the monitoring result is obtained by the controller integrating the parameter information on the ring network unit collected by the fault acquisition system. The fault acquisition system at least includes: a current sensor, a voltage Sensor, temperature sensor, smoke sensor and electrification indicator, through these instruments, the current, voltage, temperature, smoke concentration and electrification data of the ring network unit can be obtained;

Step 2, based on the monitoring results, determine whether the ring network unit is faulty through the fault diagnosis system, and if a fault occurs, use the inspection information system and the geographic information system to determine the parameter information of the ring network unit, wherein the Parameter information includes: fault cause and fault location.

Specifically, the fault diagnosis system analyzes the data of current, voltage, temperature, smoke concentration, and electrification. For example, the current is greater than the set value, the voltage drops to 0, the temperature suddenly rises to more than 100 degrees, and the grounding system detects that there is electricity, etc. If it is determined that there is a fault after analysis, the cause of the fault is analyzed through the inspection information system, and the location of the fault is determined through the geographic information system;

Step 3: After determining the above parameter information, the parameter information is sent to the mobile control terminal to notify the relevant staff to conduct inspection and maintenance; at the same time, the wireless alarm device is activated, and the wireless alarm device sends out an audio alarm or has both optical signals and audio signals. , warning the surrounding crowd not to approach the ring network unit.

Step 4: After the relevant staff conduct on-site inspection and maintenance, if the actual fault information is found to be inconsistent with the fault information determined by the fault diagnosis system, the actual fault information of the ring network unit can be fed back to the fault diagnosis system through the mobile control terminal. Real-time data updates for diagnostic models.

To sum up, the device and method for quickly locating faults of ring network units provided by the present invention have the following advantages:

1. The present utility model uses current sensors, voltage sensors, temperature sensors, smoke sensors and live indicators to collect various parameters of the ring network unit, thereby providing more reliable and comprehensive data for fault information analysis of the central workstation.

2. The central workstation uses the fault diagnosis system to effectively analyze the received various parameter information, and then combines the geographic information system and the inspection system for comprehensive judgment, which improves the accuracy of the fault information.

Although the embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are exemplary and should not be construed as limitations of the present invention, and those of ordinary skill in the art are within the scope of the present invention Variations, modifications, substitutions and variations can be made to the above-described embodiments.

Claims (5)

1. A looped network unit fault rapid positioning device is characterized by comprising a fault acquisition system, a controller and a central workstation;

the fault acquisition system is used for acquiring parameter information of the ring network unit and sending the parameter information to the controller, wherein the fault acquisition system comprises a current sensor, a voltage sensor, a temperature sensor, a smoke sensor and a charged indicator which are arranged in the ring network unit;

the controller is used for receiving the parameter information sent by the fault acquisition system, integrating the parameter information into a monitoring result and sending the integrated monitoring result to a central workstation through a communication device arranged on the controller;

the central workstation is used for receiving the monitoring result sent by the controller, determining whether the ring network unit fails or not based on the monitoring result and determining specific parameter information; the central workstation comprises at least: the system comprises a fault diagnosis system, a geographic information system, a patrol information system and a communication system; the parameter information includes: the cause of the fault and the location of the fault.

2. The looped network unit fault rapid positioning device according to claim 1, characterized in that the controller is a single chip microcomputer.

3. The apparatus of claim 1, wherein the communication device comprises at least a 4G module and an ethernet module.

4. The apparatus of claim 1, wherein the positioning apparatus further comprises a wireless alarm device, the wireless alarm device is installed around the ring network unit, and the wireless alarm device is wirelessly connected to the central workstation.

5. The device for rapidly positioning the faults of the looped network units according to any one of claims 1 to 4, characterized in that the positioning device further comprises a mobile control terminal, and the mobile control terminal is in butt joint with the central workstation through a GPRS or short message mode.

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