CN110896197A - Transformer substation cable trench online monitoring method and system based on Internet of things technology - Google Patents
Transformer substation cable trench online monitoring method and system based on Internet of things technology Download PDFInfo
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- CN110896197A CN110896197A CN201911167005.2A CN201911167005A CN110896197A CN 110896197 A CN110896197 A CN 110896197A CN 201911167005 A CN201911167005 A CN 201911167005A CN 110896197 A CN110896197 A CN 110896197A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000005516 engineering process Methods 0.000 title claims abstract description 25
- 238000004891 communication Methods 0.000 claims abstract description 92
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 71
- 238000007654 immersion Methods 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000004806 packaging method and process Methods 0.000 claims description 10
- 238000004458 analytical method Methods 0.000 claims description 6
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 claims description 5
- 238000013024 troubleshooting Methods 0.000 abstract description 3
- 238000013500 data storage Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
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Abstract
The invention belongs to the technical field of electric power, and relates to a transformer substation cable trench online monitoring method and a transformer substation cable trench online monitoring system based on the technology of the Internet of things, wherein the method comprises the following steps: the intelligent wireless water immersion sensor monitors the cable trench on line by collecting water level information, and sends alarm information to the communication terminal when detecting that the water level of the cable trench exceeds a set alarm threshold value; the intelligent communication terminal packs data sent by the sensor and sends the data to the Internet of things cloud platform; and the Internet of things cloud platform analyzes and displays the data and monitors and alarms to realize the online monitoring and alarm of the cable trench. The whole network is connected in a wireless protocol mesh manner, so that the reliability of a communication link is ensured, wiring and network debugging are not needed in the whole project, and all communication equipment can be used after being installed; the information sensed by the sensing equipment in the traditional Internet of things and the received instruction are connected to the Internet by using the cloud platform of the Internet of things, mass data storage and operation are realized by using a cloud computing technology, and the applicability and the expandability of the whole system are greatly improved; based on the internet of things technology, the on-site, accurate and real-time uninterrupted monitoring of the cable trench water level information is realized, a large amount of manpower is saved, meanwhile, the water level out-of-limit condition is found in time, and a large amount of time is saved for timely troubleshooting and processing of faults.
Description
Technical Field
The invention belongs to the technical field of electric power, and relates to a transformer substation cable trench online monitoring method and a transformer substation cable trench online monitoring system based on the technology of the Internet of things.
Background
For the power cables laid in the cable tunnel and the cable trench, the specification requires that the cables cannot be soaked for a long time, the cable joints cannot be soaked, and the cable tunnel and the cable trench are correspondingly subjected to waterproof and drainage treatment in the design and construction processes. However, in the actual use process, due to factors such as water leakage of the structure, rainwater at local openings and the like, the water accumulation condition in the cable tunnel and the cable trench still exists in a large area. If these ponding can not in time be got rid of, submerge the cable in the tunnel very easily, then shorten tunnel and cable life-span because of unable maintenance, then influence user and staff's security of lives and property seriously.
In the past, the supervision mode of the cable trench mainly checks, records and analyzes the water level information of the cable trench at different positions by a method of manually and regularly inspecting the cable trench, and performs fault troubleshooting, so that the environmental state in the cable trench cannot be reflected in real time, a large amount of manpower resources can be consumed, and the efficiency is low. In rainy season and other weather and water pipeline damage conditions, timely finding and removing are often difficult to achieve.
Disclosure of Invention
In order to solve the defects of low supervision efficiency and difficult damage investigation of the cable trench in the prior art, the online monitoring method for the cable trench of the transformer substation based on the Internet of things technology is provided.
In order to achieve the above object, the present invention provides the following technical solutions:
the transformer substation cable trench online monitoring method based on the Internet of things technology comprises the following steps:
s1: the intelligent wireless water immersion sensor monitors the cable trench on line by collecting water level information, and sends alarm information to the communication terminal when detecting that the water level of the cable trench exceeds a set alarm threshold value;
s2: the intelligent communication terminal packs data sent by the sensor and sends the data to the Internet of things cloud platform;
s3: and the Internet of things cloud platform analyzes and displays the data and monitors and alarms to realize the online monitoring and alarm of the cable trench.
The invention further comprises the following preferred embodiments:
further, step S1 the wireless water sensor of intelligence is through gathering water level information to cable pit on-line monitoring, when the water level that detects the cable pit crosses the warning threshold value that sets up, sends alarm information to communication terminal, specifically is:
the intelligent wireless water sensor is fixed on the cable trench wall through a bracket, is more than 10CM away from the trench wall and is vertical to a monitored surface; the collected information is sent to the communication terminal according to a specific communication protocol.
Further, step S1 the wireless water sensor of intelligence is through gathering water level information to cable pit on-line monitoring, when the water level that detects the cable pit crosses the warning threshold value that sets up, sends alarm information to communication terminal, specifically is:
the sensor continuously works, when the network communication heartbeat interval is less than 60 seconds, the sensor realizes intelligent awakening, the network awakening and communication starting time is less than 3 seconds, and real-time data monitoring is guaranteed.
Further, step S2 the intelligent communication terminal packages and sends the data sent by the sensor to the internet of things cloud platform, specifically:
the intelligent communication terminal is connected with the intelligent wireless water immersion sensors, and data sent by the sensors are packaged and sent to the Internet of things cloud platform according to a specific communication protocol at a certain frequency.
Further, in step S3, the internet of things cloud platform analyzes, displays, monitors and alarms the data, and realizes online monitoring and alarm of the cable trench, specifically:
the analysis and display of the data mainly comprises the summarization and display of water level information historical data and real-time data of the access equipment and the access sensor; when the alarm information is received, the cloud platform of the Internet of things is prompted by the alarm information so as to carry out the next fault processing work.
Further, the communication protocol is realized by adopting NB-IoT, LoRa, 4G or 2G protocols for data communication between the sensor and the communication terminal and between the communication terminal and the Internet of things cloud platform.
The invention also provides a system of the transformer substation cable trench online monitoring method based on the Internet of things technology, which comprises a sensor acquisition and transmission data unit, a communication terminal packaging and transmission data unit and an Internet of things cloud platform display and alarm unit;
the sensor acquisition and transmission data unit is used for the intelligent wireless water sensor to monitor the cable trench on line by acquiring water level information, and when the water level of the cable trench is detected to exceed a set alarm threshold value, alarm information is sent to the communication terminal;
the communication terminal packaging and transmitting data unit is used for packaging and transmitting data sent by the sensor to the Internet of things cloud platform by the intelligent communication terminal;
and the Internet of things cloud platform display and alarm unit is used for analyzing, displaying, monitoring and alarming data by the Internet of things cloud platform, so that online monitoring and alarming of the cable trench are realized.
Furthermore, in the sensor data acquisition and transmission unit, the intelligent wireless water immersion sensor is fixed on the cable trench wall through a bracket, is more than 10CM away from the trench wall and is vertical to the monitored surface; the collected information is sent to a communication terminal according to a specific communication protocol;
furthermore, in the data acquisition and transmission unit of the sensor, the sensor continuously works, when the network communication heartbeat interval is less than 60 seconds, the sensor realizes intelligent awakening, the network awakening and communication starting time is less than 3 seconds, and real-time data monitoring is guaranteed.
Furthermore, in the communication terminal data packaging and transmitting unit, one intelligent communication terminal is connected with a plurality of intelligent wireless water sensors, and data sent by the sensors are packaged and sent to the Internet of things cloud platform according to a specific communication protocol at a certain frequency.
Furthermore, in the display and alarm unit of the internet of things cloud platform, the analysis and display of data mainly comprises the summarization and display of water level information historical data and real-time data of access equipment and an access sensor; when the alarm information is received, the cloud platform of the Internet of things is prompted by the alarm information so as to carry out the next fault processing work.
Further, the communication protocol is realized by adopting NB-IoT, LoRa, 4G or 2G protocols for data communication between the sensor and the communication terminal and between the communication terminal and the Internet of things cloud platform.
Compared with the prior art, the beneficial effects are:
1. the whole network is connected in a wireless protocol mesh manner, so that the reliability of a communication link is ensured, wiring and network debugging are not needed in the whole project, and all communication equipment can be used after being installed;
2. the information sensed by the sensing equipment in the traditional Internet of things and the received instruction are connected to the Internet by using the cloud platform of the Internet of things, mass data storage and operation are realized by using a cloud computing technology, and the applicability and the expandability of the whole system are greatly improved;
3. based on the internet of things technology, the on-site, accurate and real-time uninterrupted monitoring of the cable trench water level information is realized, a large amount of manpower is saved, meanwhile, the water level out-of-limit condition is found in time, and a large amount of time is saved for timely troubleshooting and processing of faults.
Drawings
Fig. 1 is a flow chart diagram of a transformer substation cable trench online monitoring method and a system thereof based on the internet of things technology;
fig. 2 is a flowchart of an embodiment of the online monitoring method and system for the cable trench of the transformer substation based on the internet of things technology;
fig. 3 is a system block diagram of the transformer substation cable trench online monitoring method and system based on the internet of things technology;
Detailed Description
The present application is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present application is not limited thereby.
As shown in fig. 1 and 2, the transformer substation cable trench online monitoring method based on the internet of things technology includes the following steps:
s1: the intelligent wireless water immersion sensor monitors the cable trench on line by collecting water level information, and sends alarm information to the communication terminal when detecting that the water level of the cable trench exceeds a set alarm threshold value;
in the embodiment, taking the CRSENSOR-WL intelligent wireless water sensor as an example, step S1 the intelligent wireless water sensor monitors the cable trench online by collecting water level information, and when detecting that the water level of the cable trench crosses a set alarm threshold, sends alarm information to the communication terminal, specifically:
the intelligent wireless water sensor is fixed on the cable trench wall through a bracket, is more than 10CM away from the trench wall and is vertical to a monitored surface; the collected information is sent to the communication terminal according to a specific communication protocol.
In the embodiment, taking the CRSENSOR-WL intelligent wireless water sensor as an example, step S1 the intelligent wireless water sensor monitors the cable trench online by collecting water level information, and when detecting that the water level of the cable trench crosses a set alarm threshold, sends alarm information to the communication terminal, specifically:
the sensor continuously works, when the network communication heartbeat interval is less than 60 seconds, the sensor realizes intelligent awakening, the network awakening and communication starting time is less than 3 seconds, and real-time data monitoring is guaranteed.
S2: the intelligent communication terminal packs data sent by the sensor and sends the data to the Internet of things cloud platform;
in the embodiment, taking a CRDTU-01 intelligent communication terminal as an example, step S2 the intelligent communication terminal packages and sends data sent by the sensor to the internet of things cloud platform, specifically:
the intelligent communication terminal is connected with the plurality of intelligent wireless water immersion sensors, and data sent by the sensors are packaged and sent to the Internet of things cloud platform according to a specific communication protocol at a certain frequency.
S3: and the Internet of things cloud platform analyzes and displays the data and monitors and alarms to realize the online monitoring and alarm of the cable trench.
In the embodiment, taking the CR-CLOUD internet of things CLOUD platform as an example, step S3 is to analyze, display, monitor and alarm the data by the internet of things CLOUD platform, so as to implement online monitoring and alarm of the cable trench, specifically:
the analysis and display of the data mainly comprises the summarization and display of water level information historical data and real-time data of the access equipment and the access sensor; when the alarm information is received, the cloud platform of the Internet of things is prompted by the alarm information so as to carry out the next fault processing work.
In the embodiment, the communication protocol is realized by adopting NB-IoT, LoRa, 4G or 2G protocols for data communication between the sensor and the communication terminal and between the communication terminal and the Internet of things cloud platform.
As shown in fig. 3, the present invention further provides a system of the above method, which includes a sensor data collecting and transmitting unit, a communication terminal data packing and transmitting unit, and an internet of things cloud platform displaying and warning unit;
the sensor acquisition and transmission data unit is used for the intelligent wireless water sensor to monitor the cable trench on line by acquiring water level information, and when the water level of the cable trench is detected to exceed a set alarm threshold value, alarm information is sent to the communication terminal;
in the sensor data acquisition and transmission unit, an intelligent wireless water immersion sensor is fixedly arranged on a cable trench wall through a support, is separated from the trench wall by more than 10CM and is vertical to a monitored surface; the collected information is sent to a communication terminal according to a specific communication protocol;
in addition, in the data acquisition and transmission unit of the sensor, the sensor continuously works, when the network communication heartbeat interval is less than 60 seconds, the sensor realizes intelligent awakening, the network awakening and communication starting time is less than 3 seconds, and real-time data monitoring is guaranteed.
The communication terminal packaging and transmitting data unit is used for packaging and transmitting data sent by the sensor to the Internet of things cloud platform by the intelligent communication terminal;
in the communication terminal packaging and data transmitting unit, an intelligent communication terminal is connected with a plurality of intelligent wireless water immersion sensors, and data sent by the sensors are packaged and sent to an internet of things cloud platform according to a specific communication protocol at a certain frequency.
The system comprises an Internet of things cloud platform display and alarm unit, a data acquisition unit, a data analysis and display unit and a data monitoring and alarm unit, wherein the Internet of things cloud platform display and alarm unit is used for analyzing, displaying, monitoring and alarming data by the Internet of things cloud platform and realizing online monitoring and alarming of a;
in addition, in the display and alarm unit of the internet of things cloud platform, the analysis and display of data mainly comprises the summarization and display of water level information historical data and real-time data of access equipment and an access sensor; when the alarm information is received, the cloud platform of the Internet of things is prompted by the alarm information so as to carry out the next fault processing work.
The communication protocol is realized by adopting NB-IoT, LoRa, 4G or 2G protocols for data communication between the sensor and the communication terminal and between the communication terminal and the Internet of things cloud platform.
The present applicant has described and illustrated embodiments of the present invention in detail with reference to the accompanying drawings, but it should be understood by those skilled in the art that the above embodiments are merely preferred embodiments of the present invention, and the detailed description is only for the purpose of helping the reader to better understand the spirit of the present invention, and not for limiting the scope of the present invention, and on the contrary, any improvement or modification made based on the spirit of the present invention should fall within the scope of the present invention.
Claims (10)
1. A transformer substation cable trench online monitoring method based on the Internet of things technology is characterized by comprising the following steps:
s1: the intelligent wireless water immersion sensor monitors the cable trench on line by collecting water level information, and sends alarm information to the communication terminal when detecting that the water level of the cable trench exceeds a set alarm threshold value;
s2: the intelligent communication terminal packs data sent by the sensor and sends the data to the Internet of things cloud platform;
s3: and the Internet of things cloud platform analyzes and displays the data and monitors and alarms to realize the online monitoring and alarm of the cable trench.
2. The transformer substation cable trench online monitoring method based on the internet of things technology of claim 1, wherein in step S1, the intelligent wireless water sensor monitors the cable trench online by collecting water level information, and when detecting that the water level of the cable trench exceeds a set alarm threshold value, sends alarm information to a communication terminal, specifically:
the intelligent wireless water sensor is fixed on the cable trench wall through a bracket, is more than 10CM away from the trench wall and is vertical to a monitored surface; the collected information is sent to the communication terminal according to a specific communication protocol.
3. The online monitoring method for the cable trench of the transformer substation based on the technology of the internet of things as claimed in claim 2, wherein the intelligent wireless water immersion sensor continuously works, when the network communication heartbeat interval is less than 60 seconds, the sensor realizes intelligent awakening, the network awakening and communication starting time is less than 3 seconds, and real-time data monitoring is guaranteed.
4. The transformer substation cable trench online monitoring method based on the internet of things technology of claim 1, wherein the intelligent communication terminal packages and sends data sent by the sensor to the internet of things cloud platform in step S2, and specifically comprises:
the intelligent communication terminal is connected with the intelligent wireless water sensors, and data sent by the intelligent wireless water sensors are packaged and sent to the Internet of things cloud platform according to a specific communication protocol at a certain frequency.
5. The transformer substation cable trench online monitoring method based on the internet of things technology according to claim 1, wherein the internet of things cloud platform performs analysis, display, monitoring and alarm on data in step S3, so as to realize online monitoring and alarm of the cable trench, and specifically comprises:
the analysis and display of the data mainly comprises the summarization and display of water level information historical data and real-time data of the access equipment and the access sensor; when the alarm information is received, the cloud platform of the Internet of things is prompted by the alarm information so as to carry out the next fault processing work.
6. The online monitoring method for the cable trench of the transformer substation based on the technology of the internet of things as claimed in any one of claims 1 to 5, wherein the communication protocol is implemented by adopting NB-IoT, LoRa, 4G or 2G protocols for data communication between the intelligent wireless water sensor and the communication terminal and between the communication terminal and the cloud platform of the internet of things.
7. The system for applying the transformer substation cable trench online monitoring method based on the Internet of things technology of any one of claims 1 to 6 is characterized by comprising a sensor acquisition and transmission data unit, a communication terminal packaging and transmission data unit and an Internet of things cloud platform display and alarm unit;
the sensor acquisition and transmission data unit is used for the intelligent wireless water sensor to monitor the cable trench on line by acquiring water level information, and when the water level of the cable trench is detected to exceed a set alarm threshold value, alarm information is sent to the communication terminal;
the communication terminal packaging and transmitting data unit is used for packaging and transmitting data sent by the sensor to the Internet of things cloud platform by the intelligent communication terminal;
and the Internet of things cloud platform display and alarm unit is used for analyzing, displaying, monitoring and alarming data by the Internet of things cloud platform, so that online monitoring and alarming of the cable trench are realized.
8. The system of the transformer substation cable trench online monitoring method based on the internet of things technology according to claim 7, wherein in the data acquisition and transmission unit of the intelligent wireless water sensor, the intelligent wireless water sensor is fixed on the wall of the cable trench through a bracket, is more than 10CM away from the trench wall and is vertical to a monitored surface; the collected information is sent to the communication terminal according to a specific communication protocol.
9. The system of the online monitoring method for the cable trench of the transformer substation based on the internet of things technology as claimed in claim 7, wherein in the data acquisition and transmission unit of the intelligent wireless water sensor, the intelligent wireless water sensor continuously works, when a network communication heartbeat interval is less than 60 seconds, the intelligent wireless water sensor realizes intelligent awakening, and the network awakening and communication starting time is less than 3 seconds, so that real-time data monitoring is ensured.
10. The system of the transformer substation cable trench online monitoring method based on the internet of things technology as claimed in any one of claims 7 to 9, wherein in the communication terminal packed data transmission unit, the intelligent communication terminal is connected with a plurality of intelligent wireless water sensors, and data sent by the intelligent wireless water sensors are packed and sent to the internet of things cloud platform according to a specific communication protocol and at a certain frequency.
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| CN112118317A (en) * | 2020-09-18 | 2020-12-22 | 广东电网有限责任公司电力科学研究院 | Substation cable trench fire monitoring system based on LoRaWAN technology |
| CN113783960A (en) * | 2021-09-13 | 2021-12-10 | 特变电工京津冀智能科技有限公司 | Intelligent substation equipment data processing method and related equipment |
| CN114063548A (en) * | 2021-11-18 | 2022-02-18 | 广东电网有限责任公司 | Cable trench comprehensive environment monitoring method and system |
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