CN217590378U - Power grid fault positioning management system based on carrier communication technology - Google Patents

Abstract

The utility model relates to a power grid fault location management system based on carrier communication technique. The method solves the problems that in the prior art, the fault position is not easy to find after the power grid fault, and the using effect is not good. It includes commercial power electric wire netting and resident's electric wire netting, and the contact of resident's electric wire netting all is equipped with resident's power consumption management subassembly, and resident's power consumption management subassembly is connected with safety precaution platform, and safety precaution platform is connected with the electric wire netting determine module of setting between commercial power electric wire netting and resident's electric wire netting, and resident's electric wire netting port is provided with a plurality of smart sockets, passes through infrared transceiver module communication between smart socket and the safety precaution platform. The utility model has the advantages that: the method can quickly find the power grid fault port and effectively monitor the power grid line.

Description

Power grid fault positioning management system based on carrier communication technology

Technical Field

The utility model relates to a power grid management technology field, concretely relates to power grid fault location management system based on carrier communication technique.

Background

With the deep development of smart power grids, the safety problem of the power grids is increasingly concerned by the industrial and academic circles. The safety accidents of the power grid occur occasionally, and mainly serious accidents such as electric shock casualties, electric power fire disasters, power grid leakage and the like caused by faults such as grounding of a live wire, line aging, zero short circuit of fire and the like occur, so that serious economic loss is caused. At present, electric shock prevention and electric leakage prevention of a power grid are mainly protected through an electric leakage switch, but the electric leakage switch often has a mismatch condition, so that the situation that the electric leakage switch is tripped by mistake or cannot be tripped and the like cannot be predicted, human body electric shock casualties, short-time ignition and even fire disasters can be caused, secondary disasters can be caused more often, and the electricity consumption of life and production of people is seriously influenced; in addition, when the power grid fails, accurate positioning is difficult to perform, and the using effect is poor.

In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, chinese patent document discloses a power grid security management system [ CN201720369237.6] based on a security technology and a carrier communication technology, which includes an electricity consumption security unit, a central processing unit, and an intelligent management unit, where the electricity consumption security unit is disposed between a utility power grid and an electricity consumption grid, and is used to detect a fire wire short-earth fault and a line aging fault; the central processing unit is connected with the power grid, the intelligent management unit and the power utilization safety unit and is used for controlling the power utilization safety unit and the intelligent control unit, indicating the state and giving an alarm when faults occur; the intelligent management units are distributed in each node of the power grid, communicate through a carrier technology and a private protocol, manage intelligent equipment of the power grid, intelligently manage a regional power grid, avoid safety accidents of the power grid, and prevent electric shock, short-distance electricity leakage, fire and short-distance tripping.

The scheme solves the problem of poor electricity utilization safety in the prior art to a certain extent, but the scheme still has a plurality of defects, such as: the position of the power grid with faults is difficult to accurately judge, and the using effect is poor.

Disclosure of Invention

The utility model aims at the above-mentioned problem, provide a reasonable in design, excellent in use effect's electric wire netting fault location management system based on carrier communication technique.

In order to achieve the above purpose, the utility model adopts the following technical proposal: this electric wire netting fault location management system based on carrier communication technique, including commercial power electric wire netting and resident's electric wire netting, the contact of resident's electric wire netting all is equipped with resident's power consumption management subassembly, and resident's power consumption management subassembly is connected with the safety precaution platform, the safety precaution platform is connected with the electric wire netting detection module who sets up between commercial power electric wire netting and resident's electric wire netting, and resident's electric wire netting port is provided with a plurality of smart sockets, through infrared transceiver module communication between smart socket and the safety precaution platform. Through set up at resident electric wire netting node and be connected resident electricity management subassembly with safety precaution platform, resident electricity management subassembly detects the resident electric wire netting and communicates with safety precaution platform, when being located the smart jack on the resident electric wire netting and breaking down, send out the police dispatch newspaper to safety precaution platform through infrared transceiver module, and resident electricity management subassembly sends out the concrete positional information of node to safety precaution platform, be convenient for to the seeking of fault point, electric wire netting determine module can cut off the resident electric wire netting fast simultaneously, the safety is improved, meanwhile, when the commercial power electric wire netting that uses breaks down, then cut off commercial power electric wire netting fast through electric wire netting determine module, excellent in use effect.

In foretell electric wire netting fault location management system based on carrier communication technique, electric wire netting detection subassembly includes power module, is connected through resident's power consumption connecting wire between power module and the resident's electric wire netting, and is connected through the commercial power connecting wire between power module and the commercial power electric wire netting, is equipped with resident's power consumption switch on the resident's power consumption connecting wire, and is equipped with commercial power switch on the commercial power connecting wire, is equipped with the power management unit on the power module, and the power management unit links to each other with resident's power consumption switch, commercial power switch respectively. The residential power grid and the commercial power grid are respectively controlled by the residential power switch and the commercial power switch, and are not interfered with each other when in use.

In the power grid fault location management system based on the carrier communication technology, two sides of a residential power grid are respectively connected with a line protection component and a short-ground protection component, the line protection component and the short-ground protection component are respectively connected with a power management unit, and the power management unit is connected with a power state warning lamp group. The power supply module can be safely monitored through the power supply management unit, and if the power supply module is abnormal in state, the power supply state warning lamp set can give an alarm in real time.

In the above power grid fault location management system based on the carrier communication technology, the line protection component includes a line impedance detection unit and an online power detection unit, both the line impedance detection unit and the online power detection unit are connected to the residential power grid through the first carrier communication unit, and one end of the online power detection unit is provided with a power balancing unit. The line protection assembly can be used for carrying out safety monitoring on a residential power grid, and position communication information can be timely sent out to the safety early warning platform through the first carrier communication unit when a line is damaged and leaks electricity.

In the power grid fault location management system based on the carrier communication technology, the short-circuit protection component comprises a low-resistance branch and a high-resistance branch which are connected in parallel, the low-resistance branch comprises a choke module and an automatic change-over switch which are connected in series, the high-resistance branch comprises a resistance module and a current detection module which are connected in series, and the current detection module is connected with the safety early warning platform.

In the above power grid fault location management system based on the carrier communication technology, the safety early warning platform includes an MCU module and a second carrier communication unit, the MCU module is connected to an audible and visual alarm, and the MCU module is connected to a residential power grid through an AC/DC module, and the second carrier communication unit is connected to the residential power grid.

In the power grid fault location management system based on the carrier communication technology, the residential electricity management component comprises a wireless communication module and a broadband signal module, wherein the wireless communication module and the broadband signal module are used for communicating with the outside, and the wireless communication module and the broadband signal module are connected with and communicate with the MCU module through the second carrier communication unit. The residential electricity management component sends the position information to the second carrier communication unit in a wireless communication or broadband signal mode, and therefore effective delivery of communication information can be guaranteed.

In the power grid fault location management system based on the carrier communication technology, a plurality of intelligent switches or intelligent electrical appliances are arranged on a residential power grid, and the intelligent switches or the intelligent electrical appliances are connected with and communicate with the MCU module through the second carrier communication unit. And the intelligent switch or the intelligent electrical appliance is in fault and is communicated with the second carrier communication unit in time.

In the above power grid fault location management system based on the carrier communication technology, the power grid detection component is disposed in the installation housing, one side of the installation housing is provided with the power output interface, and the other side of the installation housing is provided with the power input interface.

In the above-mentioned grid fault location management system based on the carrier communication technology, the carrier communication network is formed by the whole residential power grid.

Compared with the prior art, the utility model has the advantages of: reasonable in design, moreover, the steam generator is simple in structure, when the resident electric wire netting breaks down, can pass through smart jack, accurate fault location information can be learnt to the mutually supporting accuracy of resident electricity consumption management subassembly, and simultaneously, utilize short-range protection subassembly and line protection subassembly to effectively protect resident electric wire netting circuit, can cut off the power supply fast to resident electric wire netting when resident electric wire netting circuit breaks down, and the safety in utilization is improved, and when the commercial power electric wire netting of use breaks down, then agree through electric wire netting detection subassembly and can cut off commercial power electric wire netting fast, not only can seek the accurate position of resident electric wire netting trouble port fast, and can cut off the fault line fast, excellent in use effect.

Drawings

Fig. 1 is a connection block diagram of the overall structure of the present invention;

fig. 2 is a schematic circuit diagram of a partial structure in the present invention;

fig. 3 is a schematic circuit diagram of the short-ground protection module of the present invention;

fig. 4 is a cross-sectional view of a mounting housing in accordance with the present invention;

fig. 5 is a detailed structure connection block diagram in the present invention.

In the figure, a utility power grid 1, a residential power grid 2, an intelligent socket 21, an infrared transceiver module 22, an intelligent switch 23, an intelligent electric appliance 24, a residential electricity management component 3, a wireless communication module 31, a broadband signal module 32, a safety early warning platform 4, an MCU module 41, a second carrier communication unit 42, an acousto-optic alarm 43, an AC/DC module 44, a power grid detection component 5, a power module 51, a residential electricity connection line 52, a utility electricity connection line 53, a residential electricity switch 54, a utility electricity switch 55, a power management unit 56, an installation housing 57, a power output interface 571, a power input interface 572, a line protection component 6, a line impedance detection unit 61, an online power detection unit 62, a first carrier communication unit 63, a power equalization unit 64, a short-ground protection component 7, a low-resistance branch 71, a low-resistance branch 711, an automatic changeover switch 712, a high-resistance branch 72, a resistance module 722, a current detection module 723 and a power state alarm lamp set 8 are provided.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-5, the power grid fault location management system based on the carrier communication technology includes a utility power grid 1 and a residential power grid 2, contacts of the residential power grid 2 are provided with residential power management components 3, the residential power management components 3 are connected with a safety early warning platform 4, the safety early warning platform 4 is connected with a power grid detection component 5 arranged between the utility power grid 1 and the residential power grid 2, a port of the residential power grid 2 is provided with a smart socket 21, and the smart socket 21 communicates with the safety early warning platform 4 through an infrared transceiver module 22. The infrared transceiving module 22 is used for reporting the smart socket of trouble to the safety precaution platform 4, and resident's power consumption management subassembly 3 is used for sending the fault node position, and whether electric wire netting detecting component 5 is used for detecting commercial power electric wire netting 1 and resident's electric wire netting 2 have the trouble, if the trouble then carry out fast power failure and handle, and mutual noninterference between commercial power electric wire netting 1 and the resident electric wire netting 2.

Wherein, electric wire netting detection subassembly 5 includes power module 51, is connected through resident power consumption connecting wire 52 between power module 51 and the resident electric wire netting 2, and is connected through mains connection 53 between power module 51 and the commercial power electric wire netting 1, is equipped with resident power consumption switch 54 on the resident power consumption connecting wire 52, and is equipped with mains switch 55 on the commercial power connecting wire 53, is equipped with power management unit 56 on power module 51, and power management unit 56 links to each other with resident power consumption switch 54, mains switch 55 respectively. The power management unit 56 is used for detecting the state of the power module 51, and if the state of the power module 51 is abnormal, the residential electricity switch 54 and the utility electricity switch 55 are cut off, so as to prevent the line overload.

Visibly, two sides of the residential power grid 2 are respectively connected with the line protection component 6 and the short-distance protection component 7, the line protection component 6 and the short-distance protection component 7 are respectively connected with the power management unit 56, and the power management unit 56 is connected with the power state warning lamp group 8.

Obviously, the line protection component 6 includes a line impedance detection unit 61 and an online power detection unit 62, the line impedance detection unit 61 and the online power detection unit 62 are both connected to the residential power grid 2 through a first carrier communication unit 63, and a power equalization unit 64 is disposed at one end of the online power detection unit 62. The line impedance detection unit 61 and the online power detection unit 62 are used for detecting line resistance and current states and communicating with the safety precaution platform 4 through the first carrier communication unit 63.

Further, the short-circuit protection component 7 includes a low-resistance branch 71 and a high-resistance branch 72 which are connected in parallel, the low-resistance branch 71 includes a choke module 711 and an automatic transfer switch 712 which are connected in series, the high-resistance branch 72 includes a resistance module 722 and a current detection module 723 which are connected in series, and the current detection module 723 is connected with the safety precaution platform 4. The low resistance branch 71 and the high resistance branch 72 can be switched, and when the high resistance branch 72 encounters a line short circuit, the low resistance branch 71 is switched to be electrified, so that local power supply during short circuit maintenance is maintained.

Specifically, the safety early warning platform 4 includes an MCU module 41 and a second carrier communication unit 42, the MCU module 41 is connected to an audio-visual alarm 43, the MCU module 41 is connected to the residential power grid 2 through an AC/DC module 44, and the second carrier communication unit 42 is connected to the residential power grid 2.

Further, the residential electricity management module 3 includes a wireless communication module 31 and a broadband signal module 32 for communicating with the outside, and the wireless communication module 31 and the broadband signal module 32 are connected to and communicate with the MCU module 41 through the second carrier communication unit 42. The wireless communication module 31 and the broadband signal module 32 are used for sending the position of the fault node, so that accurate positioning is facilitated.

More specifically, a plurality of intelligent switches 23 or intelligent appliances 24 are disposed on the residential power grid 2, and the intelligent switches 23 or the intelligent appliances 24 are connected to and communicate with the MCU module 41 through the second carrier communication unit 42. The residential power grid 2 is provided with a plurality of power supply ports, and when any one of the power supply ports fails, the intelligent switch 23 or the intelligent electric appliance 24 sends a failure report to the MCU module 41 through the second carrier communication unit 42.

In detail, the grid detection assembly 5 is disposed in the mounting housing 57, and one side of the mounting housing 57 is provided with a power output interface 571, and the other side is provided with a power input interface 572.

Preferably, the residential power grid 2 forms an integrated carrier communication network. The residential power grid 2 and the commercial power grid 1 are carrier communication networks of a certain power utilization area, and do not represent the whole power utilization network of a city.

In summary, the principle of the present embodiment is: when a power supply port arranged on the residential power grid 2 has a fault, the intelligent switch 23 or the intelligent electrical appliance 24 sends a fault report to the MCU module 41 through the second carrier communication unit 42, and the residential power management component on the node sends node position information to the safety pre-warning platform 4, so as to facilitate maintenance, and meanwhile, the service state of the residential power grid 2 line is detected through the line protection component 6 and the short-distance protection component 7 arranged on the residential power grid 2 line, and when a fault occurs, the fault position is timely sent through the current detection module 723, and when maintenance is performed, the safety pre-warning platform 4 cuts off the residential power switch 54 through the power management unit 56; when the utility grid 1 fails, the power management unit 56 directly cuts off the utility switch 55 for maintenance.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the utility grid 1, the residential grid 2, the smart socket 21, the infrared transceiver module 22, the smart switch 23, the smart appliance 24, the residential electricity management component 3, the wireless communication module 31, the broadband signal module 32, the security early warning platform 4, the MCU module 41, the second carrier communication unit 42, the audible and visual alarm 43, the AC/DC module 44, the grid detection component 5, the power supply module 51, the residential electricity connection line 52, the utility connection line 53, the residential electricity switch 54, the utility switch 55, the power management unit 56, the installation housing 57, the power output interface 571, the power input interface 572, the line protection component 6, the line impedance detection unit 61, the on-line power detection unit 62, the first carrier communication unit 63, the power equalization unit 64, the short-ground protection component 7, the low-resistance branch 71, the choke module 711, the automatic changeover switch 712, the high-resistance branch 72, the resistance module 722, the current detection module 723, the power status alarm group 8, and the like are used more often, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (10)

1. The utility model provides a power grid fault location management system based on carrier communication technique, includes commercial power electric wire netting (1) and resident's electric wire netting (2), its characterized in that, the contact of resident's electric wire netting (2) all be equipped with resident electricity consumption management subassembly (3), and resident electricity consumption management subassembly (3) are connected with safety precaution platform (4), safety precaution platform (4) be connected with electric wire netting determine module (5) of setting between commercial power electric wire netting (1) and resident's electric wire netting (2), and resident's electric wire netting (2) port is provided with a plurality of smart jack (21), smart jack (21) and safety precaution platform (4) between through infrared transceiver module (22) communication.

2. The power grid fault location management system based on carrier communication technology as claimed in claim 1, wherein the power grid detection component (5) includes a power supply module (51), the power supply module (51) and the residential power grid (2) are connected through a residential power connection line (52), and the power supply module (51) and the utility power grid (1) are connected through a utility power connection line (53), the residential power connection line (52) on be equipped with a residential power switch (54), and the utility power connection line (53) on be equipped with a utility power switch (55), the power supply module (51) on be equipped with a power management unit (56), and the power management unit (56) respectively with residential power switch (54), utility power switch (55) link to each other.

3. The power grid fault location management system based on the carrier communication technology as claimed in claim 2, wherein both sides of the residential power grid (2) are respectively connected with a line protection component (6) and a short-earth protection component (7), the line protection component (6) and the short-earth protection component (7) are respectively connected with a power management unit (56), and the power management unit (56) is connected with a power status warning lamp set (8).

4. The power grid fault location management system based on the carrier communication technology as claimed in claim 3, wherein the line protection component (6) includes a line impedance detection unit (61) and an online power detection unit (62), the line impedance detection unit (61) and the online power detection unit (62) are both connected to the residential power grid (2) through a first carrier communication unit (63), and one end of the online power detection unit (62) is provided with a power equalization unit (64).

5. The power grid fault location management system based on the carrier communication technology as claimed in claim 4, wherein the short-circuit protection component (7) comprises a low-resistance branch (71) and a high-resistance branch (72) which are connected in parallel, the low-resistance branch (71) comprises a choke module (711) and an automatic transfer switch (712) which are connected in series, the high-resistance branch (72) comprises a resistance module (722) and a current detection module (723) which are connected in series, and the current detection module (723) is connected with the safety precaution platform (4).

6. The power grid fault location management system based on the carrier communication technology as claimed in claim 1, wherein the safety precaution platform (4) comprises an MCU module (41) and a second carrier communication unit (42), the MCU module (41) is connected with an audible and visual alarm (43), the MCU module (41) is connected with the residential power grid (2) through an AC/DC module (44), and the second carrier communication unit (42) is connected with the residential power grid (2).

7. A power grid fault location management system based on carrier communication technology as claimed in claim 6, characterized in that the residential electricity management component (3) comprises a wireless communication module (31) and a broadband signal module (32) for communicating with the outside, and the wireless communication module (31) and the broadband signal module (32) are connected with and communicate with the MCU module (41) through the second carrier communication unit (42).

8. The power grid fault location management system based on the carrier communication technology as claimed in claim 7, wherein a plurality of intelligent switches (23) or intelligent electrical appliances (24) are arranged on the residential power grid (2), and the intelligent switches (23) or the intelligent electrical appliances (24) are connected with and communicate with the MCU module (41) through the second carrier communication unit (42).

9. The power grid fault location management system based on the carrier communication technology as claimed in claim 1, wherein the power grid detection assembly (5) is disposed in a mounting housing (57), and a power output interface (571) is disposed on one side of the mounting housing (57) and a power input interface (572) is disposed on the other side of the mounting housing (57).

10. A power grid fault location management system based on carrier communication technology as claimed in claim 9, characterized in that the residential power grid (2) is integrated into a carrier communication network.

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