CN215067051U - Switching station intelligent fault indicator based on NB communication - Google Patents

Switching station intelligent fault indicator based on NB communication Download PDF

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Publication number
CN215067051U
CN215067051U CN202120992821.3U CN202120992821U CN215067051U CN 215067051 U CN215067051 U CN 215067051U CN 202120992821 U CN202120992821 U CN 202120992821U CN 215067051 U CN215067051 U CN 215067051U
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China
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iot
switching station
central control
wireless communication
communication
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CN202120992821.3U
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Chinese (zh)
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顾剑华
卫梦圆
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Guilin University of Electronic Technology
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Guilin University of Electronic Technology
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Abstract

The utility model discloses a switching station intelligent fault indicator based on NB communication, which comprises an MCU central control component, an NB-IoT wireless communication component, a lithium battery, a power taking component, a background monitoring alarm platform and an antenna; the NB-IoT wireless communication component comprises an NB-IoT communication module and an NB-IoT SIM card; the NB-IoT SIM card is arranged on the NB-IoT communication module; the NB-IoT communication module is respectively connected with the MCU central control component and the antenna; the background monitoring alarm platform receives data sent by an antenna through a wireless communication network; the MCU central control assembly and the NB-IoT wireless communication assembly are powered by lithium batteries; the lithium battery is charged through the electricity taking assembly. The utility model can quickly transmit the abnormal condition of the switching station to the working personnel, and can inform the working personnel of the position of the switching station with the abnormal condition, and the switching station on the power line does not need to be checked one by one; the efficiency of staff's troubleshooting switching station trouble has been promoted, the routine maintenance cost of switching station has been reduced.

Description

Switching station intelligent fault indicator based on NB communication
Technical Field
The utility model belongs to the technical field of power line monitoring, a switching station intelligence fault indicator based on NB communication is related to.
Background
With the rapid development of cities and economy, a large number of switching stations are built in cities. During the operation of these switching stations, the weather conditions such as high temperature, humidity, rain and snow, and the aging of power materials, etc. may be encountered, which may cause circuit failure. The inspection and maintenance tasks of the workers are heavy, and the working efficiency is not high.
Currently, the following two main types of methods for positioning a faulted switching station exist: one is to install fault indicators along the power line at the switchyard. Under the condition that the switching station has faults, a worker checks the indicator lamps of the fault indicators of the switching station along the power line with the faults so as to find out fault points; the method needs a large amount of manpower, consumes long time and has high maintenance cost. And secondly, fault indicators are arranged in the switchgears, and the fault indicators of the switchgears are connected to the switch gear addressor of the cable branch box through optical cables. Under the condition that the switching station has faults, the switching station addresser of the cable branch box can accurately display the position of the faulty switching station; the method improves the working efficiency of workers, but the cost for laying the optical cable is higher, and the method is difficult to realize and popularize in urban areas with complex conditions.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model discloses a switching station intelligence fault indicator based on NB communication; on one hand, when the switching station has abnormal conditions, the staff can know the abnormal conditions at the first time; on the other hand, the position of the switching station with abnormal conditions can be informed to the working personnel, and the switching stations on the power line do not need to be checked one by one; the efficiency of staff's troubleshooting switching station trouble has been promoted, the routine maintenance cost of switching station has been reduced.
The utility model adopts the following technical scheme:
an intelligent switching station fault indicator based on NB communication comprises an MCU central control assembly, an NB-IoT wireless communication assembly, a lithium battery, a power taking assembly, a background monitoring alarm platform and an antenna; the NB-IoT wireless communication component comprises an NB-IoT communication module and an NB-IoT SIM card; the NB-IoT SIM card is arranged on the NB-IoT communication module; the NB-IoT communication module is respectively connected with the MCU central control component and the antenna; the background monitoring alarm platform receives data sent by an antenna through a wireless communication network; the MCU central control assembly and the NB-IoT wireless communication assembly are powered by lithium batteries; the lithium battery is charged through the electricity taking assembly.
Preferably, the MCU central control module is an STM32L43x microprocessor. The STM32L43x microprocessor low power consumption, operating condition is stable, has reduced the operation cost of fault indicator.
Preferably, the active mode current of the MCU central control component is 84 muA/MHz, the sleep mode current (supporting RTC) is 1.0uA, and the wake-up time from the standby mode is less than 10 mus. The system is stable and has long service life.
Preferably, the lithium battery is a rechargeable lithium battery with high capacity, good high and low temperature performance and long service life.
Preferably, the electricity-taking component is a PD electricity-taking component. Adopt PD to get the electric subassembly, charge rapidly and stably, can help fault indicator to get into operating condition fast, promoted work efficiency.
The utility model discloses a theory of operation:
when the MCU-IoT wireless communication module works, the MCU central control module receives the alarm signal, processes the transmitted alarm information and then transmits the processed information to the NB-IoT wireless communication module; and the NB-IoT wireless communication component sends information to the background monitoring alarm platform through the antenna to inform power grid maintenance personnel.
The utility model has the advantages that:
the utility model discloses a MCU central control subassembly receives alarm signal, and sends information to the background monitoring alarm platform through NB-IoT wireless communication subassembly and antenna and notifies the electric wire netting maintainer; the on-line monitoring of the operation of the switching station is realized, and on one hand, the abnormal condition of the switching station can be transmitted to the working personnel at the first time; on the other hand, the position of the switching station with abnormal conditions can be informed to the working personnel, and the switching stations on the power line do not need to be checked one by one; the efficiency of staff's troubleshooting switching station trouble has been promoted, the routine maintenance cost of switching station has been reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a flow chart of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Example 1:
as shown in the figure, the intelligent switching station fault indicator based on NB communication comprises an MCU central control component, an NB-IoT wireless communication component, a lithium battery, a power taking component, a background monitoring alarm platform and an antenna; the NB-IoT wireless communication component comprises an NB-IoT communication module and an NB-IoT SIM card; the NB-IoT SIM card is arranged on the NB-IoT communication module; the NB-IoT communication module is respectively connected with the MCU central control component and the antenna; the background monitoring alarm platform receives data sent by an antenna through a wireless communication network; the MCU central control assembly and the NB-IoT wireless communication assembly are powered by lithium batteries; the lithium battery is charged through the electricity taking assembly.
The working principle of the embodiment is as follows:
when the MCU-IoT wireless communication module works, the MCU central control module receives the alarm signal, processes the transmitted alarm information and then transmits the processed information to the NB-IoT wireless communication module; and the NB-IoT wireless communication component sends information to the background monitoring alarm platform through the antenna to inform power grid maintenance personnel.
Example 2:
this embodiment differs from embodiment 1 in that the MCU central control module is an STM32L43x microprocessor.
The working principle of this embodiment is the same as that of embodiment 1.
Example 3:
the difference between this embodiment and embodiment 2 is that the active mode current of the MCU central control component is 84 μ a/MHz, the sleep mode current (supporting RTC) is 1.0uA, and the wake-up time from the standby mode is less than 10 μ s.
The working principle of this embodiment is the same as that of embodiment 1.
Example 4:
the difference between the embodiment and the embodiment 3 is that the electricity-taking component is a PD electricity-taking component.
The working principle of this embodiment is the same as that of embodiment 1.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention may be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.

Claims (4)

1. The utility model provides a switching station intelligence fault indicator based on NB communication which characterized in that: the system comprises an MCU central control component, an NB-IoT wireless communication component, a lithium battery, a power taking component, a background monitoring alarm platform and an antenna;
the NB-IoT wireless communication component comprises an NB-IoT communication module and an NB-IoT SIM card; the NB-IoT SIM card is arranged on the NB-IoT communication module; the NB-IoT communication module is respectively connected with the MCU central control component and the antenna; the background monitoring alarm platform receives data sent by an antenna through a wireless communication network; the MCU central control assembly and the NB-IoT wireless communication assembly are powered by lithium batteries; the lithium battery is charged through the electricity taking assembly.
2. The NB communication-based intelligent substation fault indicator as claimed in claim 1, wherein: the MCU central control module is an STM32L43x microprocessor.
3. The NB communication-based intelligent substation fault indicator as claimed in claim 1, wherein: the active mode current of the MCU central control assembly is 84 muA/MHz, the sleep mode current is 1.0uA, and the time for awakening from the standby mode is less than 10 mus.
4. The NB communication-based intelligent substation fault indicator as claimed in claim 1, wherein: the electricity taking assembly is a PD electricity taking assembly.
CN202120992821.3U 2021-05-11 2021-05-11 Switching station intelligent fault indicator based on NB communication Active CN215067051U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120992821.3U CN215067051U (en) 2021-05-11 2021-05-11 Switching station intelligent fault indicator based on NB communication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120992821.3U CN215067051U (en) 2021-05-11 2021-05-11 Switching station intelligent fault indicator based on NB communication

Publications (1)

Publication Number Publication Date
CN215067051U true CN215067051U (en) 2021-12-07

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120992821.3U Active CN215067051U (en) 2021-05-11 2021-05-11 Switching station intelligent fault indicator based on NB communication

Country Status (1)

Country Link
CN (1) CN215067051U (en)

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