CN213122167U - Power supply network system with branch line monitoring and automatic identification functions - Google Patents

Abstract

The utility model discloses a branch circuit monitoring and automatic identification's power supply network system, be qualified for the next round of competitions including feeder pillar, the inlet wire that inserts the feeder pillar and by the branch that the feeder pillar was drawn forth, still include monitoring devices, monitoring devices is including taking microcontroller's host system, a plurality of current transformer, electric power broadband carrier communication module, storage module, human-computer interaction module and the power module be connected with host system, current transformer articulates on the inlet wire of feeder pillar, branch are qualified for the next round of competitions and each phase line that branch was qualified for the next round of competitions, still includes GSM module and the level sensor be connected with host system. This monitoring devices among power supply network system has been equipped with level sensor, and level sensor fixes in the feeder pillar, and when leaking in the feeder pillar, level sensor just can detect the water level and send the signal of leaking to control module, and monitoring devices sends early warning information to managers this moment, is favorable to managers in time to take measures, reduces the loss.

Description

Power supply network system with branch line monitoring and automatic identification functions

Technical Field

The utility model relates to an electric power tech field, more specifically say, it relates to a branch line monitoring and automatic identification's power supply network system.

Background

The low-voltage power grid area is the tail end of a power grid, and management blind spots are more due to the fact that equipment is numerous, the automation level is low and the like; especially, power supply equipment between a transformer area and a low-voltage user is always in an equipment monitoring blind area. Because of the lack of effective online monitoring means, the users always know the afterfeel of the power failure, which causes the passive and unordered emergency repair work. When power failure occurs, due to the lack of a topological relation of a power supply network of a distribution area and the running state of the current power supply network of the distribution area, a fault point cannot be quickly and accurately positioned, the power failure range cannot be calculated, repeated and invalid attendance is caused, the first-aid repair efficiency is influenced, and the power utilization satisfaction degree of a user is difficult to be fundamentally improved.

The branch identification instrument of the power distribution area in the current market is an off-line handheld device, can not be operated in an on-line network hanging mode, and requires workers to reach a field control device to complete topology identification of a power supply network of the power distribution area. Because the online real-time monitoring can not be realized, the online real-time monitoring can not be realized when the power supply network of the transformer area changes.

Chinese patent application No. CN201910141569.2 discloses a branch identification and on-off state monitoring device and method based on broadband carrier, which identifies branches and monitors on-off states by hooking current transformers on each branch and each phase of each branch, so that managers can know the operation conditions.

The monitoring device is installed in an electric power system, and can identify the inlet wire and the inlet wire of a branch line in a power supply network system and monitor the switch state.

This monitoring devices places branch casees such as feeder pillar usually, and the environment at feeder pillar place is various, and some outdoor feeder pillar are exposed to the sun and are drenched and probably leak, can lead to equipment and circuit to damage after the feeder pillar intakes, and this power supply network system that just leads to utilizing this monitoring devices monitoring, and the branch case condition of leaking in the power supply network system can not in time be known to system management personnel, often can cause great loss.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a branch circuit monitoring and automatic identification's power supply network system, when the condition of leaking appeared in the branch box in this power supply network system, the managers can be informed to the system very first time.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a power supply network system of branch line monitoring and automatic identification, includes the feeder line of feeder pillar, access feeder pillar and the branch that is drawn forth by the feeder pillar and is qualified for the next round of competitions, characterized by: the monitoring device comprises a main control module with a microcontroller, a plurality of current transformers, an electric power broadband carrier communication module, a storage module, a man-machine interaction module and a power module, wherein the current transformers, the electric power broadband carrier communication module, the storage module, the man-machine interaction module and the power module are connected with the main control module, the current transformers are connected to incoming lines of branch boxes, branch outgoing lines and branch outgoing lines of branch lines in a hanging mode, and the monitoring device further comprises a GSM module and a water level sensor which are connected with the main control module.

As a preferable scheme: the water level sensor is fixedly connected with the branch box through the mounting frame, the mounting frame comprises a pair of supporting plates which are distributed up and down and a connecting rod which is vertically arranged, the upper end and the lower end of the connecting rod are fixedly connected with the two supporting plates through connecting blocks respectively, the water level sensor is fixedly connected with the connecting rod, and magnets are fixed on the two supporting plates.

As a preferable scheme: the connecting rod is sleeved with a sliding ring, and the water level sensor is fixedly connected with the sliding ring.

As a preferable scheme: and the RS485 communication module is connected with the main control module.

As a preferable scheme: the human-computer interaction module is an LED display module.

Compared with the prior art, the utility model has the advantages that: the monitoring device used in the power supply network system is provided with the water level sensor, the water level sensor is fixed in the branch box, when water leaks in the branch box, accumulated water reaches the height of the water level sensor, the water level sensor can detect the water level and send a water leakage signal to the control module, and the monitoring device sends out early warning information to a manager at the moment, so that the manager can take measures in time, and the loss is reduced.

Drawings

Fig. 1 is a schematic circuit diagram of a monitoring device in the present embodiment;

fig. 2 is a schematic wiring diagram of the power supply network system in the present embodiment;

fig. 3 is a schematic structural diagram of the mounting frame in this embodiment.

10, a main control module; 20. a current transformer; 30. a power broadband carrier communication module; 40. a metering module; 50. a storage module; 60. a human-computer interaction module; 70. a power supply module; 80. an RS485 communication module; 90. a water level sensor; 100. a GSM module; 110. a slip ring; 120. a connecting rod; 130. connecting blocks; 140. a support plate; 150. a magnet; 160. a branch box.

Detailed Description

Referring to fig. 1, a branch line monitoring and automatic identification and power supply network system, including a branch box, an incoming line connected to the branch box and a branch outgoing line led out from the branch box, further including a monitoring device, the monitoring device includes a main control module 10 with a microcontroller, a current transformer 20 connected to the main control module 10, an electric power broadband carrier communication module 30, a metering module 40, a storage module 50, a human-computer interaction module 60, a power module 70 and an RS485 communication module 80, the power module 70 provides electric energy for each module, and further including a GSM module 100 and a water level sensor 90 connected to the main control module 10.

Referring to fig. 2, the monitoring apparatus requires a current transformer 20 to be hooked on the A, B, C phases and the neutral line of the incoming line and each outgoing line of the branch box and each branch for identifying the incoming branch line, the outgoing branch line and obtaining the current of each phase of the outgoing branch line. Each current transformer 20 is connected with the main control module 10, and since the current characteristics of each of the branch incoming lines, the branch outgoing lines and the branch outgoing lines are different, the main control module 10 can identify the branch incoming lines, the branch outgoing lines and the branch outgoing lines through the current measured by each current transformer 20 and judge the on-off state of each line, thereby realizing the automatic identification of the monitoring of the branch lines. When the abnormal on-off state of a certain line is monitored, the main control module uploads the abnormal information to the upper computer, and meanwhile, the main control module 10 controls the GSM module 100 to send an alarm short message to a manager, so that remote early warning is realized, and the manager can conveniently obtain the abnormal condition at the first time.

The water level sensor 90 is fixed in the branch box 160, when water leaks in the branch box 160 and accumulated water reaches the height of the water level sensor 90, the water level sensor 90 can detect the water level and send a water leakage signal to the control module, and at the moment, the main control module 10 controls the GSM module 100 to send out early warning information to a manager, so that the manager can take measures in time, and loss is reduced.

Referring to fig. 3, the water level sensor 90 in this embodiment is fixedly coupled to the branch tank 160 through a mounting bracket. The mounting bracket includes a pair of support plates 140 arranged up and down and a vertically disposed connecting rod 120. The upper end and the lower extreme of connecting rod 120 all are connected fixedly with two backup pads 140 respectively through connecting block 130, and the cover is equipped with sliding ring 110 on connecting rod 120, and level sensor 90 is connected fixedly with sliding ring 110, and such structure makes level sensor 90 can reciprocate together with sliding ring 110, all is fixed with magnet 150 on two backup pads 140.

The two supporting plates 140 are fixed to the inner wall of the box body through the magnets 150 in an adsorption mode, the mounting frame can be conveniently fixed in the branch box 160 and is convenient to detach, the position of the mounting frame can be freely adjusted, the mounting frame can be suitable for branch boxes 160 of various types and sizes, and the height position of the water level sensor 90 can be adjusted, so that the mounting frame is more flexible to use.

The metering module 40 is connected with each phase and the zero line of the branch, and is used for acquiring three-phase voltage and current signals and transmitting data such as current, voltage, power factor and the like to the main control module 10; and the main control module 10 measures the electric quantity data such as active electric energy, reactive electric energy and the like.

The power broadband carrier communication module 30 is used for being in communication connection with a remote terminal, so as to realize data interaction between the remote terminal and the main control module 10.

The main control module 10 exchanges data with other terminal devices through the RS485 communication module 80, receives data of each functional module, controls operation of each functional module, and processes, analyzes, and stores the data.

The human-computer interaction module 60 is an LED display module for displaying various operating states of the device.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (5)

1. The utility model provides a power supply network system of branch line monitoring and automatic identification, includes the feeder line of feeder pillar, access feeder pillar and the branch that is drawn forth by the feeder pillar and is qualified for the next round of competitions, characterized by: the monitoring device comprises a main control module with a microcontroller, a plurality of current transformers, an electric power broadband carrier communication module, a storage module, a man-machine interaction module and a power module, wherein the current transformers, the electric power broadband carrier communication module, the storage module, the man-machine interaction module and the power module are connected with the main control module, the current transformers are connected to incoming lines of branch boxes, branch outgoing lines and branch outgoing lines of branch lines in a hanging mode, and the monitoring device further comprises a GSM module and a water level sensor which are connected with the main control module.

2. A branch line monitoring and automatic identification power supply network system according to claim 1, wherein: the water level sensor is fixedly connected with the branch box through the mounting frame, the mounting frame comprises a pair of supporting plates which are distributed up and down and a connecting rod which is vertically arranged, the upper end and the lower end of the connecting rod are fixedly connected with the two supporting plates through connecting blocks respectively, the water level sensor is fixedly connected with the connecting rod, and magnets are fixed on the two supporting plates.

3. A branch line monitoring and automatic identification power supply network system according to claim 2, wherein: the connecting rod is sleeved with a sliding ring, and the water level sensor is fixedly connected with the sliding ring.

4. A branch line monitoring and automatic identification power supply network system according to claim 1, wherein: and the RS485 communication module is connected with the main control module.

5. A branch line monitoring and automatic identification power supply network system according to claim 1, wherein: the human-computer interaction module is an LED display module.

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