CN211209380U

CN211209380U - Bus joint monitoring system based on NB-L OT

Info

Publication number: CN211209380U
Application number: CN201922296151.7U
Authority: CN
Inventors: 万岚芳; 钱雨广; 张桂兴
Original assignee: Guangdong Jianmian Intelligent Technology Co ltd
Current assignee: Guangdong Jianmian Intelligent Technology Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-08-07
Anticipated expiration: 2029-12-19

Abstract

The utility model provides a bus joint monitored control system based on NB-L OT, including a plurality of NB-L OT's bus joint monitoring device, NB-L OT network, cloud ware and customer terminal, a plurality of NB-L OT bus joint monitoring device respectively with NB-L OT network wireless connection, NB-L OT network respectively with cloud ware with customer terminal wireless connection, wherein NB-L OT bus joint monitoring device includes that bus joint gets electric module, temperature sensor, master control MCU, NB-L OT module, audible-visual annunciator, display module, memory, RS485 interface, the user can be at the running state of all nodes of real time monitoring on the terminal, can realize in NB-L OT network coverage area, can deploy on a large scale, unified management.

Description

Bus joint monitoring system based on NB-L OT

Technical Field

The utility model relates to a power transmission technical field especially relates to a bus connector monitored control system based on NB-L OT.

Background

The closed bus is an important part of power transmission equipment, and the closed bus is widely used in indoor substations, high-rise buildings and factory buildings in recent years to replace traditional cables for power distribution. The closed bus has great influence on the working performance and reliability due to the characteristics of the structure of the closed bus, and particularly the closed bus joint is provided. The closed bus joint is mainly fixedly connected by adopting the bolt, and if the bolt is not screwed down or even screwed down, the creep of the electric conductor is caused after long-time operation and thermal expansion and cold contraction, the bolt can be loosened to cause the oxidation of the contact surface of the bus joint, so that the contact resistance of the bus joint is increased. The heating value of the contact resistor is increased under the action of current, the temperature rise of the whole joint can be increased through the heat transfer in the joint, local fusion welding or spark generation or even arc discharge occurs, surrounding insulating materials are affected, and finally electric equipment is damaged. Therefore, the change condition of the contact resistance of the closed bus joint is mastered, and the method has important significance for detecting and protecting the normal operation of the closed bus joint.

However, when a lot of high-rise buildings and large-scale factory workshops are applied by using plug-in bus distribution wires, it is difficult to uniformly process a lot of monitoring points and data, and in places where the monitoring points are too far away, the equipment of the monitoring points cannot be connected by a general wireless and wired connection mode, so that monitoring personnel cannot uniformly and simultaneously master the conditions of each place.

SUMMERY OF THE UTILITY MODEL

Therefore, a bus bar joint monitoring system based on NB-L OT is needed to solve the problems that the existing bus bar joint monitoring is difficult to uniformly process numerous monitoring points and data and cannot connect equipment of the monitoring points.

The technical scheme of the utility model is that, a bus joint monitored control system based on NB-L OT, including a plurality of NB-L OT's bus joint monitoring device, NB-L OT network, cloud server and customer terminals, a plurality of NB-L OT bus joint monitoring device respectively with NB-L OT network wireless connection, NB-L OT network respectively with cloud server and customer terminals wireless connection, wherein NB-L OT's bus joint monitoring device includes that the bus joint gets electric module, temperature sensor, master control MCU, NB-L OT module, audible-visual annunciator, display module, memory, RS485 interface, master control MCU respectively with the bus joint get electric module, temperature sensor, NB-L OT module, audible-visual annunciator, display module, memory and RS485 interface connection.

In one embodiment, the bus joint power taking module comprises a bus phase voltage detection circuit for detecting whether the bus is in a phase-lacking state and whether each phase voltage is normal.

In one embodiment, the bus bar joint electricity taking module is arranged in an electricity taking joint together with the temperature sensor.

In one embodiment, the display module comprises an L CD or L ED display screen.

In one embodiment, the memory comprises F L ASH flash memory.

In one embodiment, the NB-L OT module is a 4G-based cellular internet of things module.

In one embodiment, the client terminal comprises a mobile phone, a tablet, a notebook computer or an intelligent wearable device.

The utility model has the advantages of through NB-L OT bus joint monitoring device, detect the bus joint in each needs control place in high-rise building or large-scale factory building workshop, send the instruction to main control MCU when the looks voltage of bus that bus joint electricity-taking module and temperature sensor detected respectively is unusual and the temperature of bus exceeds the setting value, main control MCU then controls audible-visual annunciator to report to the police and remind, and store the monitoring data in the memory, so as to provide inquiry in the future, main control MCU shows this monitoring data through the display module again, when monitoring data is unusual, can connect on-the-spot RS485 interface, inquire local monitoring device's abnormal data, and, a plurality of NB-L OT bus joint monitoring device accessible NB-L OT module is connected into NB-L OT network and is realized automatic network deployment, every NB-L OT bus joint monitoring device can form a control node separately, cloud server is analyzed, calculate, judge that NB-L OT network collects information that the letter and sends the result to client terminal on, user terminal station can be managed on a large scale through all the network deployment, all the real-scale management node can be managed in the real-time.

Drawings

Fig. 1 is a schematic structural diagram of a bus bar joint monitoring device based on NB-L OT.

Fig. 2 is a schematic structural diagram of a bus bar joint monitoring system based on NB-L OT of the utility model.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Referring to fig. 1 and fig. 2, the bus joint monitoring system based on NB-L OT in the embodiment includes a plurality of bus joint monitoring devices 100 of NB-L OT, an NB-L OT network 110, a cloud server 120, and a client terminal 130, where the plurality of bus joint monitoring devices 100 of NB-L OT are wirelessly connected to the NB-L OT network 110, and the NB-L OT network 110 is wirelessly connected to the cloud server 120 and the client terminal 130, respectively, where the NB-L OT bus joint monitoring device 100 includes a bus joint power-taking module 20, a temperature sensor 30, a main control MCU10, an NB-L OT module 80, an audible and visual alarm 40, a display module 70, a memory 50, and an RS485 interface 60, and the main control MCU10 is connected to the bus joint power-taking module 20, the temperature sensor 30, the NB-L OT module 80, the audible and visual alarm 40, the display module 70, the memory 50, and the RS485 interface 60, respectively.

Specifically, the temperature sensor 30 is used to detect the temperature of the bus bar.

And the audible and visual alarm 40 sends audible and visual alarm information when the monitored data is abnormal.

The main control MCU10 processes the information acquired by the bus joint power-taking module 20 and the temperature sensor 30, sends the processed information result to the NB-L OT module 80, is connected to the NB-L OT network 110 through the NB-L OT module 80, sends the information to the cloud server 120, starts the audible and visual alarm 40 when monitoring abnormal data, and sends the abnormal information to the cloud server 120.

In the embodiment, the bus joint is detected at each site needing monitoring of a high-rise building or a large-scale factory workshop through the NB-L OT bus joint monitoring device 100, if the phase voltage of the bus detected by the bus joint electricity-taking module 20 and the temperature sensor 30 is abnormal and the temperature of the bus exceeds a set value, an instruction is sent to the main control MCU10, the main control MCU10 further controls the audible and visual alarm 40 to alarm and remind, monitoring data are stored in the memory 50 so as to provide future inquiry, the main control MCU10 displays the monitoring data through the display module 70, when the monitoring data are abnormal, the RS485 interface 60 can be connected on site to inquire abnormal data of a local monitoring device, in addition, a plurality of NB-L OT bus joint monitoring devices 100 can be connected into the NB-L OT network 110 through the NB-L OT module 80 to realize automatic networking, each NB-L OT bus joint monitoring device 100 can respectively form a monitoring node, all monitoring nodes are connected into the NB-352 OT network 110, the cloud server 120 analyzes information from all NB-3523 monitoring terminals to the NB-L OT network 110, and sends the client terminal monitoring nodes 130 to calculate the operation state of a client 130, and sends the client terminal L.

The cloud server 120 may perform unified analysis on the monitoring data collected from each node, for example, classify and collect normal and abnormal data in each time period, count the nodes with the largest number of times of failures occurring at the bus connectors, collect types of failures occurring in the entire system, collect the number of times of using the RS485 interface 60 of each node, generate a report, store the report in the server, and push the report to the client terminal 130 in a wireless timing manner, so that the user provides a reference basis for analyzing the big data of the entire system.

Further, the bus joint power-taking module 20 includes a phase voltage detection circuit of the bus to detect whether the bus is in a phase-failure state and whether each phase voltage is normal.

Further, the inside of the electricity-taking connector of the bus connector electricity-taking module 20 is installed together with the temperature sensor 30, so that the temperature of the bus can be conveniently detected.

Further, the display module 70 includes an L CD or L ED display screen.

Specifically, the display module 70 can display various monitoring data of the bus connector in real time, and monitoring personnel can monitor the bus connector of each location in real time through the display module 70, so that the monitoring work is more convenient.

Further, the memory 50 includes F L ASH flash memory.

In particular, the F L ASH flash memory can hold data for a long time without current supply, maintain the stability of the data, and facilitate the query of the monitoring data by the user in the future.

Further, the NB-L OT module 80 is a 4G-based cellular internet of things module.

Further, the client terminal 130 includes a mobile phone, a tablet, a notebook computer or a smart wearable device.

Specifically, the user can receive the detection data sent by the server in time through the monitoring data of the terminal remote monitoring system.

As can be seen from the above description, the present invention achieves the following technical effects:

1. the problem of bus joint control among the prior art be difficult to unified processing numerous control point and data and can't couple together the equipment of control point is solved.

2. Whether the phase voltage of the bus is normal or not can be detected through the bus joint electricity taking module, if the phase voltage exceeds a preset value, an instruction is sent to the main control MCU, and an alarm is given through an audible and visual alarm;

3. whether the temperature of the bus is normal or not can be detected through the temperature sensor, if the temperature exceeds a preset value, an instruction is sent to the main control MCU, and an alarm is given through the audible and visual alarm;

4. the real-time monitored data can be displayed through the display module;

5. various monitoring data of the bus joint can be stored through the memory;

6. when the monitoring data is abnormal, the RS485 interface can be connected on site to inquire the abnormal data of the local monitoring device;

7. the plurality of NB-L OT bus joint monitoring devices can be connected into an NB-L OT network through an NB-L OT module to realize automatic networking, each NB-L OT bus joint monitoring device can form a monitoring node, and unified monitoring management on the plurality of monitoring nodes is realized.

Various changes or modifications may be made by one skilled in the art within the scope of the appended claims. The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A bus joint monitoring system based on NB-L OT is characterized by comprising a plurality of NB-L OT bus joint monitoring devices, an NB-L OT network, a cloud server and a client terminal, wherein the NB-L OT bus joint monitoring devices are respectively in wireless connection with the NB-L OT network, the NB-L OT network is respectively in wireless connection with the cloud server and the client terminal, the NB-L OT bus joint monitoring device comprises a bus joint power-taking module, a temperature sensor, a master control MCU, an NB-L OT module, an audible and visual alarm, a display module, a memory and an RS485 interface, and the master control MCU is respectively connected with the bus joint power-taking module, the temperature sensor, the NB-L OT module, the audible and visual alarm, the display module, the memory and the RS485 interface.

2. The NB-L OT-based bus joint monitoring system according to claim 1, wherein the bus joint electricity-taking module contains a bus phase voltage detection circuit to detect whether a bus is open-phase and whether each phase voltage is normal.

3. The NB-L OT-based bus bar joint monitoring system of claim 1, wherein the temperature sensor is mounted within a power take-off joint of the bus bar joint power take-off module.

4. The NB-L OT-based bus bar joint monitoring system of claim 1, wherein the display module includes a L CD or L ED display screen.

5. The NB-L OT based bus bar joint monitoring system of claim 1, wherein the memory includes F L ASH flash memory.

6. The NB-L OT-based busbar joint monitoring system according to claim 1, wherein the NB-L OT module is a 4G-based cellular Internet of things module.

7. The NB-L OT-based busbar joint monitoring system according to any of claims 1-6, wherein said client terminal comprises a cell phone, tablet, laptop, or smart wearable device.