CN210640609U

CN210640609U - Intelligent ring main unit based on Internet of things

Info

Publication number: CN210640609U
Application number: CN201921848365.4U
Authority: CN
Inventors: 张天军; 黄彬彬; 宋双; 李中阳; 亓彬; 张松岳
Original assignee: Gsg Intelligent Technology Co ltd; CSG Smart Electrical Technology Co Ltd
Current assignee: Gsg Intelligent Technology Co ltd; CSG Smart Electrical Technology Co Ltd; CSG Smart Science and Technology Co Ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-05-29
Anticipated expiration: 2029-10-30

Abstract

An intelligent ring main unit based on the Internet of things comprises a box body, a PT cabinet, a load switch cabinet, a circuit breaker cabinet, an Internet of things sensing device and a power distribution terminal, wherein the PT cabinet, the load switch cabinet, the circuit breaker cabinet and the Internet of things sensing device are arranged in the box body; the PT cabinet comprises a first three-position switch, a voltage transformer and a first double-position spring operating mechanism, wherein the voltage transformer and the first double-position spring operating mechanism are connected with the first three-position switch through a bus; the load switch cabinet comprises a second three-position switch, a cable accessory and a second two-position spring operating mechanism, wherein the cable accessory and the second two-position spring operating mechanism are connected with the third three-position switch through a bus; the breaker cabinet comprises a three-station breaker, a cable accessory and a three-station spring operating mechanism, wherein the cable accessory and the three-station spring operating mechanism are connected with the three-station breaker through a bus; the three-position switch I, the three-position switch II and the three-position circuit breaker are connected through a bus connector. The utility model discloses a function such as electric monitoring, state monitoring, power supply quality monitoring, regional autonomy in the looped netowrk cabinet has improved monitoring rate of accuracy and work efficiency.

Description

Intelligent ring main unit based on Internet of things

Technical Field

The utility model relates to a thing allies oneself with sensing technical field, concretely relates to intelligence looped netowrk cabinet based on thing networking.

Background

With the rapid development of national economic construction, the urban power grid has higher and higher load and higher density, and the urban power grid power supply mode gradually develops to a ring network type power supply mode. The ring network power supply technology is widely applied to urban network power distribution systems with unique superiority, and plays a role in control and protection in the power distribution systems, so that the ring network cabinet is widely used as equipment for receiving and distributing electric energy in a power system and is widely applied to industrial and civil cable ring networks and power supply terminals.

The 10kV ring main units in the existing power distribution network are numerous in number and wide in distribution range, are important components and control contacts of the urban 10kV power distribution network, and the running state of the ring main units is directly related to the reliability of an urban power supply system. The looped netowrk cabinet inner space is narrow and small relatively, and the long-time loaded operation of equipment, ambient temperature and electrical contact temperature are high on the high side easily, if not handle in time probably lead to catching fire or explosion accident, for guaranteeing safe operation, the maintainer need often monitor the looped netowrk cabinet on the spot and monitor signals such as humiture, smoke sense under the prior art, and work load is big, and the degree of accuracy is low, can't in time handle the potential safety hazard that probably exists.

SUMMERY OF THE UTILITY MODEL

In order to solve prior art down, the maintainer need often monitor the looped netowrk cabinet on the spot and monitor signals such as humiture, smoke sense, and the work load is big, and the degree of accuracy is low, can't in time handle the problem of the potential safety hazard that probably exists. The ring main unit with the internet of things sensing function needs to be provided, various sensing layer information and parameters in the ring main unit transmitted by each internet of things sensor can be remotely received and processed, and the functions of electrical monitoring, state monitoring, power supply quality monitoring, regional autonomy and the like of the ring main unit and supporting equipment are achieved.

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

an intelligent ring main unit based on the Internet of things comprises a box body, a PT (potential transformer) cabinet (2), a load switch cabinet, a circuit breaker cabinet, an Internet of things sensing device and a power distribution terminal, wherein the PT cabinet, the load switch cabinet, the circuit breaker cabinet and the Internet of things sensing device are arranged in the box body; the PT cabinet comprises a first three-position switch, a voltage transformer and a first double-position spring operating mechanism, wherein the voltage transformer and the first double-position spring operating mechanism are connected with the first three-position switch through a bus; the load switch cabinet comprises a second three-position switch, a cable accessory and a second two-position spring operating mechanism, wherein the cable accessory and the second two-position spring operating mechanism are connected with the third three-position switch through a bus; the breaker cabinet comprises a three-station breaker, a cable accessory and a three-station spring operating mechanism, wherein the cable accessory and the three-station spring operating mechanism are connected with the three-station breaker through a bus; the three-position switch I, the three-position switch II and the three-position circuit breaker are connected through a bus connector.

Furthermore, the thing allies oneself with sensing device includes the remote monitoring platform who is connected with public unit and the monitoring module who is connected with the interval unit.

Further, the monitoring module comprises a camera, a smoke sensor, a temperature and humidity sensor and an SF6 sensor which are respectively connected with the spacing unit through a serial port or a network port.

Preferably, the camera is arranged at the top in the box body, the smoke detector is arranged at the center of the top in the box body, and the temperature and humidity sensor and the SF6 sensor are arranged at the position, 0.1m-0.2m away from the ground, of the inner wall of the box body.

Preferably, an audible and visual alarm device and a fan are further arranged inside the box body, and the fan can be turned off and started through a remote monitoring platform.

According to the above technical scheme, the utility model discloses a set up thing allies oneself with sensing device in the looped netowrk cabinet, various perception layer information and parameter in the looped netowrk cabinet that can each thing networking sensor conveying of long-range receipt and processing have realized functions such as electrical monitoring, state monitoring, power supply quality monitoring, regional autonomy of looped netowrk cabinet and corollary equipment, greatly reduced cost of labor and potential safety hazard, improved rate of accuracy and work efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural diagram of a PT cabinet, a load switch cabinet and a breaker cabinet;

in the figure: 1. a box body; 2. a PT cabinet; 3. a load switch cabinet; 4. a circuit breaker cabinet; 5. a power distribution terminal; 51. a common unit; 52. a spacing unit; 61. a camera; 62. an SF6 sensor; 63. a temperature and humidity sensor; 64. a smoke sensor.

Detailed Description

A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1, the intelligent ring main unit based on the internet of things is characterized by comprising a box body 1, a PT cabinet 2, a load switch cabinet 3, a circuit breaker cabinet 4, an internet of things sensing device and a power distribution terminal, wherein the PT cabinet, the load switch cabinet 3, the circuit breaker cabinet 4 and the internet of things sensing device are arranged in the box body, and the power distribution terminal is composed of a public unit 51 and a spacing unit 52.

As shown in fig. 2, the PT cabinet 2 includes a three-position switch, and a voltage transformer and a two-position spring operating mechanism i connected to the three-position switch through a bus; the load switch cabinet 3 comprises a three-position switch, a cable accessory and a two-position spring operating mechanism, wherein the cable accessory and the two-position spring operating mechanism are connected with the three-position switch through a bus; the circuit breaker cabinet 4 comprises a three-position circuit breaker, a cable accessory and a three-position spring operating mechanism, wherein the cable accessory and the three-position spring operating mechanism are connected with the three-position circuit breaker through a bus;

the three-position switch in the preferred embodiment has a switch-on position, a switch-off position and a grounding position, and one knife is used for completing switch-off isolation and grounding protection during switch-off, so that the possibility of misoperation is avoided; the three-station circuit breaker is mainly used for opening a brake during a fault; the double-station spring operating mechanism is mainly used for the on-off operation of a three-station switch and a three-station circuit breaker; the voltage transformer is mainly used for converting primary voltage into secondary voltage to be supplied to a power distribution terminal for use; the cable accessory is mainly used for connecting the air box and an external outgoing cable, is convenient to install, and is stable and reliable.

PT cabinet, load switch cabinet, circuit breaker cabinet link to each other through bus connector, make in every cabinet body keep the same voltage, every cupboard is filled with SF6 gas and sealed, and SF6 has good insulating properties.

In the preferred embodiment, the common unit 51 is a data aggregation center and an edge calculation core node of a ring main unit, and the interval unit 52 is an edge calculation distribution node of an interval cabinet of the ring main unit, so as to jointly realize the functions of electrical monitoring, state monitoring, power supply quality monitoring, regional autonomy and the like of the ring main unit and supporting equipment.

The internet of things sensing device comprises a remote monitoring platform connected with a public unit and a monitoring module 6 connected with a spacing unit, wherein the monitoring module comprises a camera 61, a smoke sensor 62, a temperature and humidity sensor 63 and an SF6 sensor 64 which are respectively connected with the spacing unit through serial ports or network ports.

As shown in fig. 1, the camera 61 is arranged at the top in the box body 1, the smoke detector 62 is arranged at the center of the top in the box body, the temperature and humidity sensor 63 and the SF6 sensor 64 are arranged at the position 0.1-0.2 m away from the ground on the inner wall of the box body, the sound and light alarm device and the fan are further arranged in the box body, and the fan can be turned off and started through the remote monitoring platform.

In a particular use: the camera 61 is mainly used for collecting pictures and videos, and can transmit video data of the ring main unit to the remote monitoring platform through the interval unit 52 and the public unit 51 in real time, and a worker can observe the condition in the ring main unit in real time through the remote monitoring platform; the SF6 gas monitor 64 is installed in a distribution room of SF6 equipment, the concentration of SF6 gas in the environment can be detected in real time, detected data are uploaded to a remote monitoring platform, and when the concentration value of the SF6 gas exceeds a set alarm point, a fan is started through the remote monitoring platform to disperse the SF6 gas; when the smoke sensor 62 detects smoke, an alarm contact is output to the monitoring platform, the on-site acousto-optic alarm is controlled through the remote monitoring platform, and the fan device is started to disperse the smoke; meanwhile, the temperature and humidity sensor 63 can monitor the temperature and humidity in the ring main unit in real time and transmit the temperature and humidity to the remote monitoring platform.

The above-mentioned embodiments are only to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims

1. The intelligent ring main unit based on the Internet of things is characterized by comprising a box body (1), a PT cabinet (2), a load switch cabinet (3), a circuit breaker cabinet (4), an Internet of things sensing device and a power distribution terminal, wherein the PT cabinet, the load switch cabinet (3), the circuit breaker cabinet and the Internet of things sensing device are arranged in the box body, and the power distribution terminal consists of a public unit (51) and a spacing unit (52);

the PT cabinet (2) comprises a first three-position switch, a voltage transformer and a first two-position spring operating mechanism, wherein the voltage transformer and the first two-position spring operating mechanism are connected with the first three-position switch through a bus;

the load switch cabinet (3) comprises a second three-position switch, a cable accessory and a second two-position spring operating mechanism, wherein the cable accessory and the second two-position spring operating mechanism are connected with the second three-position switch through a bus;

the circuit breaker cabinet (4) comprises a three-position circuit breaker, a cable accessory and a three-position spring operating mechanism, wherein the cable accessory and the three-position spring operating mechanism are connected with the three-position circuit breaker through a bus;

the three-position switch I, the three-position switch II and the three-position circuit breaker are connected through a bus connector.

2. The intelligent ring main unit based on the internet of things of claim 1, wherein the internet of things sensing device comprises a remote monitoring platform connected with the public unit and a monitoring module (6) connected with the spacing unit.

3. The intelligent ring main unit based on the internet of things as claimed in claim 2, wherein the monitoring module (6) comprises a camera (61), a smoke sensor (62), a temperature and humidity sensor (63) and an SF6 sensor (64) which are connected with the spacing unit through a serial port or a network port.

4. The intelligent ring main unit based on the internet of things as claimed in claim 3, wherein the camera (61) is arranged at the top inside the box body (1), the smoke sensor (62) is arranged at the center of the top inside the box body, and the temperature and humidity sensor (63) and the SF6 sensor (64) are arranged at the position, 0.1-0.2 m away from the ground, of the inner wall of the box body.

5. The intelligent ring main unit based on the Internet of things as claimed in claim 1, wherein an audible and visual alarm device and a fan are further arranged inside the box body, and the fan can be turned off and started through a remote monitoring platform.