CN204807640U - Distribution lines operation condition monitoring device and system - Google Patents

Abstract

The utility model discloses a monitoring device and system for the operation state of a power distribution line, comprising a controller, a wireless sensing module, an image capture device, and a plurality of monitoring probes arranged at each monitoring point in the power distribution line, and a plurality of monitoring probes Including: current sensing monitoring probe, electric field sensing monitoring probe, temperature sensing monitoring probe; multiple monitoring probes and image capture modules are respectively connected to the controller, which is used to trigger image capture when the current, electric field strength or temperature reaches a predetermined value The device captures pictures and sends data from multiple monitoring probes to the monitoring center through the wireless sensor module. The utility model can realize the linkage capture based on the abnormal movement of the electrical quantity, timely monitor and warn the operation state of the distribution network line, shorten the power outage time for users, reduce the power outage area and the waste of operating economic costs caused by the power outage, and reduce the operating and maintenance personnel's work. Reduce labor intensity and reduce additional costs due to line and equipment maintenance.

Description

Distribution line operation status monitoring device and system

technical field

The utility model relates to the technical field of power distribution network, in particular to a device and system for monitoring the running state of power distribution lines.

Background technique

The distribution network is an important part of the power system, responsible for the distribution and transmission of electric energy. Different from the transmission network, the distribution network has to extend from the substation to the end users, resulting in very complicated wiring methods and difficult management, which has become the main factor affecting the reliability of power supply. Therefore, when a fault occurs in the distribution network, how to quickly and effectively identify and deal with it has always been the focus of production and maintenance personnel.

Traditional distribution network line monitoring mainly relies on simple fault indicators, which can only give an alarm when there is a fault, but cannot monitor the line. The video monitoring part has been widely used in the main network. Due to the complexity of the power distribution lines and the difficulty of obtaining power, it has not been widely promoted. Even if there are some applications in the power distribution lines, it is basically copied from the use of the main network. Simple and independent Conventional video photography cannot achieve linkage capture and fails to match the actual production and operation of power distribution lines.

Utility model content

The technical problem to be solved by the utility model is to provide a distribution line operation state monitoring device and system for the above-mentioned defects of the prior art.

The technical scheme adopted by the utility model to solve the technical problem is: to construct a distribution line operation status monitoring device, including a controller, an image capture device, a wireless sensor module and multiple monitoring points set in the distribution line. A monitoring probe, the multiple monitoring probes include: a current sensing monitoring probe for sensing the real-time current of the line monitoring point, an electric field induction monitoring probe for sensing the real-time electric field strength of the line monitoring point, and an electric field sensing monitoring probe for sensing the line monitoring point The temperature sensing monitoring probe of the real-time temperature; the plurality of monitoring probes and the image capture module are respectively connected to the controller, and the controller is used to trigger the image capture device to take pictures when the current, electric field strength or temperature reaches a corresponding predetermined value Capture and send the data from multiple monitoring probes to the monitoring center through the wireless sensor module.

In the distribution line operating state monitoring device described in the utility model, the controller adopts an MSP430F149 chip.

In the distribution line operating state monitoring device described in the utility model, the image capture module includes a LogitechAlert750e camera.

In the distribution line operating state monitoring device described in the utility model, the current sensing monitoring probe includes a mutual inductance CT.

In the distribution line operating state monitoring device described in the utility model, the electric field induction monitoring probe includes a coil, a resistor, a discharge tube and a BNC connector.

In the distribution line operating state monitoring device described in the present invention, the electric field induction monitoring probe includes a suspension electric field intensity sensor.

In the distribution line operating state monitoring device described in the utility model, the temperature sensing monitoring probe includes a PyroCoupleM series miniature infrared temperature sensor.

In the device for monitoring the operating state of distribution lines described in the present invention, the wireless sensor module includes a 5.8G wireless module.

The utility model also discloses a distribution line operation state monitoring system, which comprises a solar energy remote communication terminal and the above distribution line operation state monitoring device wirelessly connected to the solar energy remote communication terminal.

Implementing the distribution line operating state monitoring device and system of the present utility model has the following beneficial effects: in the present utility model, a plurality of monitoring probes at each monitoring point in the distribution line can obtain real-time current in the distribution network line, Electric field strength, temperature, the controller can trigger the picture capture device to capture pictures when the current, electric field strength or temperature collected by multiple monitoring probes reaches a predetermined value, realizing linkage capture based on electrical quantity changes, timely monitoring and early warning distribution network The operation status of the line can not only shorten the power outage time for users, reduce the area of power outages and the waste of operating economic costs caused by power outages, but also reduce the labor intensity of operation and maintenance personnel, and reduce the additional costs caused by line and equipment maintenance . The vigorous research and development of distribution line operation status monitoring devices has extensive and far-reaching economic and social benefits.

Description of drawings

The utility model will be further described below in conjunction with accompanying drawing and embodiment, in the accompanying drawing:

Fig. 1 is a structural schematic diagram of the distribution line operation state monitoring system of the utility model.

Detailed ways

In order to make up for the defects of existing line monitoring, the utility model designs a monitoring device that integrates distribution network online monitoring and video capture, realizes triggering video capture based on electrical quantity changes, and effectively collects real-time operating data and data of overhead lines in distribution network. The video image information of equipment along the line greatly reduces the amount of invalid video capture data, saves communication traffic costs, accurately judges the running status of the line, and provides scientific decision-making basis for operation and maintenance personnel.

In order to have a clearer understanding of the technical features, purposes and effects of the utility model, the specific implementation of the utility model is described in detail with reference to the accompanying drawings.

Referring to FIG. 1 , it is a schematic structural diagram of the distribution line operation status monitoring system of the present invention.

The operating state monitoring device of the power distribution line of the utility model includes a controller 2, a wireless sensor module 4, an image capture device 3 and a plurality of monitoring probes arranged at each monitoring point in the power distribution line. The whole monitoring system also includes 4 solar remote communication terminals with wireless sensor modules.

Wherein, the plurality of monitoring probes include: a current sensing monitoring probe 11 for sensing the real-time current of the line monitoring point, an electric field sensing monitoring probe 12 for sensing the real-time electric field strength of the line monitoring point, The real-time temperature of the temperature-sensing monitoring probe 13.

The current sensing monitoring probe 11, the electric field sensing monitoring probe 12, the temperature sensing monitoring probe 13 and the image capture module are respectively connected to the controller 2, and the controller 2 is used to collect currents, electric field strengths or temperatures of a plurality of monitoring probes to reach a predetermined value triggers the image capture device 3 to capture a picture. The wireless sensing module 4 is responsible for transmitting line current information, electric field information, line temperature, and image information to the solar remote communication terminal 5. Preferably, the wireless sensing module 4 can also exchange information with adjacent monitoring devices, and the solar remote communication terminal is responsible for Relay and forward the line operation data and image information collected by the multi-sensor complex distribution line operation status monitoring device to realize the remote monitoring of the line operation status.

In a specific embodiment, the controller 2 adopts an MSP430F149 chip.

It should be clear that the type of the controller 2 is not limited. In addition, in addition to using the existing MCU to realize the linkage capture function, the controller 2 can also use multiple comparators and OR gates and AND gates to integrate the design of the controller 2. For example, the signals output by each monitoring probe are respectively compared with the corresponding preset The signal is input into a comparator for comparison at the same time, and the output signals of multiple comparators are output through multiple designed OR gates and AND gates.

Specifically, the image capture module includes a LogitechAlert750e camera. The current sensing monitoring probe 11 includes a mutual inductance CT. Preferably, the electric field induction monitoring probe 12 includes a suspension electric field intensity sensor. Of course, the electric field induction monitoring probe 12 can also be designed independently by using coils, resistors, discharge tubes and BNC connectors. Preferably, the temperature sensing monitoring probe 13 includes a PyroCoupleM series miniature infrared temperature sensor. The wireless sensor module 4 includes a 5.8G wireless module.

The working process is as follows: the current sensing monitoring probe 11 obtains the real-time current of the line monitoring point in real time, the electric field sensing monitoring probe 12 obtains the real-time electric field strength of the line monitoring point in real time, and the temperature sensing monitoring probe 13 obtains the real-time temperature of the line monitoring point in real time. The device 2 respectively compares whether the current, electric field strength or temperature reaches its corresponding predetermined value, and triggers the image capture device 3 to capture the image when at least one reaches the predetermined value, collects the line image information, and transmits the relevant data through the wireless sensor Module 4 uploaded.

Specifically, the video capture triggered by electrical abnormalities mainly includes the following situations: when the temperature is greater than a predetermined value, it is considered that there is a fire hazard in the line corridor or a problem with equipment safety, and the linkage capture can be triggered. At the same time, the temperature data is transmitted via wireless The sensing module 4 transmits to the solar communication terminal; when the current is greater than a certain predetermined value, it is considered that a fault condition such as a short circuit may occur in the line, and the linkage capture can be triggered, and the current data is transmitted to the solar communication terminal through the wireless sensing module 4; If the electric field strength is less than a certain predetermined value, it is considered that the line has an abnormal working condition such as non-metallic grounding, and the linkage capture can be triggered, and the electric field data is transmitted to the solar communication terminal through the wireless sensor module 4;

In addition, in addition to the above three kinds of trigger judgments for current, electric field, and temperature, the following situations for electrical trigger capture can also be added: when the electric field strength is less than a predetermined value and the current is greater than a predetermined value, the line When abnormal working conditions such as grounding occur, linkage capture can be triggered, and the electric field data and current data are transmitted to the solar communication terminal through the wireless sensor module 4 at the same time; When it is considered that there are abnormal working conditions such as disconnection of the line, it can trigger the linkage capture, and at the same time transmit the three-phase current data to the solar communication terminal through the wireless sensor module 4; When the frequency of the current), make a corresponding judgment.

In summary, the implementation of the distribution line operating state monitoring device and system of the present invention has the following beneficial effects: multiple monitoring probes at each monitoring point in the distribution line in the present invention can obtain real-time information on the distribution network The current, electric field strength, and temperature in the line, the controller can trigger the picture capture device to take picture capture when the current, electric field strength or temperature collected by multiple monitoring probes reaches a predetermined value, realizing linkage capture based on electrical quantity changes, timely Monitoring and early warning of the operating status of distribution network lines can not only shorten the power outage time for users, reduce the area of power outages and the waste of operating economic costs caused by power outages, but also reduce the labor intensity of operation and maintenance personnel, and reduce the cost of maintenance due to lines and equipment. additional costs incurred. The vigorous research and development of distribution line operation status monitoring devices has extensive and far-reaching economic and social benefits.

Embodiments of the present utility model have been described above in conjunction with the accompanying drawings, but the present utility model is not limited to the above-mentioned specific implementation, and the above-mentioned specific implementation is only illustrative, rather than restrictive. Under the enlightenment of the utility model, personnel can also make many forms without departing from the scope of protection of the purpose of the utility model and claims, and these all belong to the protection of the utility model.

Claims (9)

1. A power distribution line operating state monitoring device, characterized in that it comprises a controller (2), an image capture device (3), a wireless sensor module (4) and a plurality of monitoring points arranged in the power distribution line A monitoring probe, the multiple monitoring probes include: a current sensing monitoring probe (11) for sensing the real-time current of the line monitoring point, an electric field induction monitoring probe (12) for sensing the real-time electric field strength of the line monitoring point, A temperature sensing monitoring probe (13) for sensing the real-time temperature of the line monitoring point; the plurality of monitoring probes and the image capture module are respectively connected to the controller (2), and the controller (2) is used to control the current and electric field strength Or when the temperature reaches a corresponding predetermined value, the image capture device (3) is triggered to capture pictures and send data from multiple monitoring probes to the monitoring center through the wireless sensor module (4). 2. The distribution line operation state monitoring device according to claim 1, characterized in that, the controller (2) adopts an MSP430F149 chip. 3. The distribution line operating state monitoring device according to claim 1, wherein the image capture module includes a LogitechAlert750e camera. 4. The distribution line operating state monitoring device according to claim 1, characterized in that, the current sensing monitoring probe (11) includes a mutual inductance CT. 5. The distribution line operation state monitoring device according to claim 1, characterized in that, the electric field induction monitoring probe (12) comprises a coil, a resistor, a discharge tube and a BNC connector. 6. The distribution line operation state monitoring device according to claim 1, characterized in that, the electric field induction monitoring probe (12) comprises a suspension electric field intensity sensor. 7. The distribution line operating state monitoring device according to claim 1, characterized in that, the temperature sensing monitoring probe (13) includes a PyroCoupleM series miniature infrared temperature sensor. 8. The distribution line operating state monitoring device according to claim 1, characterized in that, the wireless sensing module (4) includes a 5.8G wireless module. 9. A power distribution line operation status monitoring system, characterized in that it includes a solar energy remote communication terminal (5) and a wireless communication connection with the solar energy remote communication terminal (5) as described in any one of claims 1-8. Distribution line operation status monitoring device.