CN214622998U - Intelligent sensing terminal for district containing edge calculation by utilizing 5G communication - Google Patents
Intelligent sensing terminal for district containing edge calculation by utilizing 5G communication Download PDFInfo
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- CN214622998U CN214622998U CN202022325081.6U CN202022325081U CN214622998U CN 214622998 U CN214622998 U CN 214622998U CN 202022325081 U CN202022325081 U CN 202022325081U CN 214622998 U CN214622998 U CN 214622998U
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Abstract
The intelligent sensing terminal comprises a Roche double-coil unit, a current acquisition module, a power supply electricity taking and converting module, a watchdog, a current mutation triggering module, a processor MCU, an NB-LOT module containing 5G and a communication module of a wireless module, wherein the Roche double-coil unit comprises a current acquisition coil and a power supply electricity taking coil, one path of the current acquisition coil is connected with the input end of the processor MCU through the current acquisition module, and the other path of the current acquisition coil is connected with the input end of the processor MCU through the current mutation triggering module; the power supply electricity taking coil is connected with the power supply electricity taking and converting module; the processor MCU is in communication connection with external equipment through the communication module, and the watchdog is connected with the input end of the processor MCU. The terminal realizes intelligent sensing and fault positioning of a power grid at the tail end of a platform area, outage-free installation, data cloud and artificial intelligence based on an NB-IoT internet of things, a power grid topology and a power supply equipment online state monitoring technology.
Description
Technical Field
The utility model belongs to the technical field of the smart power grids, concretely relates to utilize 5G communication to contain platform district intelligent sensing terminal of edge calculation.
Background
The smart grid becomes one of important industries for implementing energy development strategies, grasping global industrial adjustment opportunities and seizing new round of development and high point control in China. Compared with the development process of developed countries, China is currently in a high energy demand stage for promoting urbanization and industrialization, the power demand level will maintain a rapid rising trend, and the electricity consumption of the whole society of China is estimated to be about 8 trillion degrees in 2020. At present, the intellectualization and the bearing capacity level of the Chinese power grid are still at a lower level, a new round of upgrading and updating is needed, and great market demands are brought to the smart power grid industry.
By 6 months in 2017, 4.2 hundred million intelligent electric energy meters are installed in an accumulated way by national grid companies, and 'full collection, full coverage and full charge control' are basically realized.
In 2016, the power utilization information acquisition terminal based on broadband power line carrier communication of 300 ten thousand users is installed by Jiangsu corporation, and 60-minute data acquisition, active reporting of metering abnormal events, terminal low-voltage monitoring and transformer area voltage qualification rate calculation of all users in a transformer area are realized.
The accuracy of the power line carrier communication characteristic-based transformer area family relation identification technology reaches 95%, and a handheld special transformer area relation tester has the capability of testing the complete transformer area family relation.
Most rural power networks in cities and counties of our province already realize the data monitoring of the intelligent circuit devices on the low-voltage side of the distribution transformer, the distribution transformer and the residual current monitoring of the user side.
Because the field application environment of a low-voltage transformer area is complex, various transformer area topological relation models exist, the communication environment among different equipment nodes of a transformer area main transformer, a secondary main cabinet, an outgoing line switch cabinet, a branch box, a transfer box, a metering box and a user meter is diversified, dynamic characteristics are presented under the influence of power harmonics, wind-solar complementation, irregular power supply radius and the like, the technical characteristics and the application range of a new generation of low-cost communication network are researched, and therefore, how to design a set of transformer area panoramic perception function system and terminal products based on a stable and reliable communication network in a complex environment and an acceptable cost range is realized, transformer area, line and household automatic identification is realized, and real-time measurement of a low-voltage power grid topological structure is a technological breakthrough.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome prior art not enough, provide an utilize 5G communication to contain marginal computing's platform district intelligence perception terminal, based on NB-IoT thing networking, electric wire netting topology and power supply unit on-line state monitoring technology, realize terminal electric wire netting intelligence perception in platform district, fault location, exempt from to cut off the power supply installation, data go up cloud and artificial intelligence.
The utility model provides an utilize 5G communication to contain district's intelligent perception terminal of edge calculation, including luo shi double coil unit (1), current acquisition module (2), power electricity taking and transform module (3), watchdog (4), electric current sudden change trigger module (5), treater MCU and communication module (9) that contain 5G's NB-LOT module and wireless module, luo shi double coil unit (1) includes current acquisition coil and power electricity taking coil, current acquisition coil divide into two ways, one way is crossed current acquisition module (2) and is connected processor MCU's input, another way is passed through electric current sudden change trigger module (5) and is linked to each other with processor MCU's input; the power supply electricity taking coil is connected with the power supply electricity taking and converting module (3); the processor MCU is in communication connection with external equipment through a communication module (9), and the watchdog (4) is connected with the input end of the processor MCU.
As the utility model discloses a further technical scheme is equipped with low-power consumption processing module (6), data processing module (7) and edge calculation module (8) on the treater MCU, and instruction unit (10) are connected to treater MCU's output, and button (12) are connected to its input, and treater MCU is connected with flexible liquid crystal display part (11) communication.
Further, the processor MCU adopts MSP430FR698 with the working frequency of 16MHz, the internal CPU of the MSP430FR698 is MSP430 which comprises a 128KB Memory and a 2KB RAM, and the external extension of the RAM is W25Q64 JVSSQ of an SPI interface 64MBit and FRAM of an IIC interface 64 KBit.
Furthermore, the NB-LOT module containing 5G adopts the R16 standard, the wireless module is a ZM433SX-L-KDZN small wireless module, and the ZM433SX-L-KDZN small wireless module forms a local network in a 0.4KV line area of a distribution transformer area.
Further, the Rogowski double-coil unit (1) is a rigid open Rogowski coil current transformer ROS-50X, and a signal coil tests the current range: 10A to 3000A, output signal: 0-5V (AC),0-10V (AC), 0-5V (DC), 0-10V (DC) and 4-20 mA.
Further, the current collection module (2) is composed of 2 MCP6V12T-E/MS operational amplifiers, and the power supply power taking and conversion module (3) is composed of a bridge rectifier and IRFBF30S circuit, a REF3325AIDBZR circuit and an XC6206P302MR circuit which are composed of 4 SS310 circuits; the watchdog (4) consists of 1 TP2011-TR and 1 Si2372 DS; the current mutation triggering module (5) comprises 2 TP2121-TR and 3 Si2371 EDS.
Further, the indicating unit (10) is composed of 1 Si2372DS and 3 LEDs, the flexible liquid crystal display part (11) is composed of a flexible liquid crystal display module, and the keys (12) comprise 1 Si2372DS and 3 keys.
The utility model has the advantages that:
the terminal can sense risks hidden in a power distribution network in advance, position hidden problems, promote timeliness and foresight of fault first-aid repair of the power distribution network, find an effective fault studying and judging method, improve fault studying and judging work efficiency, timely and accurately position faults and capture interference signals in a wide range of a power grid on the level of an acquisition system. For example, various electrical devices of enterprises and users, especially the interference signals transmitted by old and defective electrical appliances on a power line, are deeply excavated and analyzed, fault nodes on a power grid are sensed, and replacement or isolation measures are taken in advance, so that serious accidents such as power failure, fire hazard, even life safety and the like caused by the fault nodes are avoided.
Drawings
Fig. 1 is a block diagram illustrating the structure of the present invention.
Detailed Description
Referring to fig. 1, the embodiment provides an intelligent sensing terminal for a distribution room with edge calculation by using 5G communication, which includes a rogowski double-coil unit 1, a current acquisition module 2, a power supply electricity taking and converting module 3, a watchdog 4, a current mutation triggering module 5, a processor MCU, and a communication module 9 including a NB-LOT module and a wireless module of 5G, wherein the rogowski double-coil unit 1 includes a current acquisition coil and a power supply electricity taking coil, the current acquisition coil is divided into two paths, one path is connected to an input end of the processor MCU through the current acquisition module 2, and the other path is connected to an input end of the processor MCU through the current mutation triggering module 5; the power supply electricity taking coil is connected with the power supply electricity taking and converting module 3; the processor MCU is in communication connection with external equipment through a communication module 9, and the watchdog 4 is connected with the input end of the processor MCU.
The processor MCU is provided with a low power consumption processing module 6, a data processing module 7 and an edge calculating module 8, the output end of the processor MCU is connected with an indicating unit 10, the input end of the processor MCU is connected with a key 12, and the processor MCU is in communication connection with a flexible liquid crystal display part 11.
The processor MCU adopts MSP430FR698 with the working frequency of 16MHz, the MSP430FR698 has an internal CPU of MSP430, comprises a RAM of 128KB Memory and 2KB, and is externally extended with a W25Q64 JVSSQ of an SPI interface 64MBit and an FRAM of an IIC interface 64 KBit.
The NB-LOT module containing 5G adopts the R16 standard, the wireless module is a ZM433SX-L-KDZN small wireless module, and the ZM433SX-L-KDZN small wireless module forms a local network in a 0.4KV line area of a distribution transformer area.
The Rogowski double-coil unit 1 is a rigid open Rogowski coil current transformer ROS-50X, and the signal coil tests the current range: 10A to 3000A, output signal: 0-5VAC,0-10VAC, 0-5VDC, 0-10VDC, 4-20 mA.
The current acquisition module 2 consists of 2 MCP6V12T-E/MS operational amplifiers, and the power supply electricity taking and conversion module 3 consists of 4 bridge rectification and IRFBF30S circuits, REF3325AIDBZR circuits and XC6206P302MR circuits which are formed by SS 310; watchdog 4 is made up of 1 TP2011-TR and 1 Si2372 DS; the current mutation triggering module 5 comprises 2 TP2121-TR and 3 Si2371 EDS.
The indicating unit 10 is composed of 1 Si2372DS and 3 LEDs, the flexible liquid crystal display part 11 is composed of a flexible liquid crystal display module, and the keys 12 include 1 Si2372DS and 3 keys.
The intelligent sensing acquisition task is processed as follows by utilizing the intelligent sensing terminal of the platform area containing the edge calculation in the 5G communication:
firstly, initializing a system and a terminal, supplying power to each part of circuit, charging a backup battery, electrifying and initializing the terminal, and finishing registration to the terminal/a main station, wherein the registration comprises addresses and functions of modules, acquired information addresses and information content formats;
and secondly, the terminal performs low power consumption processing, and the terminal enters a low power consumption mode.
And thirdly, after the timing current acquisition circuit is generated in a timing interruption mode, the intelligent sensing acquisition terminal of the transformer area detects voltage by detecting the potential gradient of the space electric field and detects the current of the line through electromagnetic induction. Meanwhile, the intelligent sensing acquisition terminal in the transformer area performs circuit random acquisition on the circuit, and the original data acquired by the acquisition unit is to be processed in the next step.
And fourthly, integrating the acquired current I = q/t current defined as the electric quantity passing through the cross section of the conductor in unit time to obtain the electric quantity of the cross section of the acquired conductor and the covariant information of the line.
And fifthly, performing edge algorithm on the acquired data to obtain the electricity utilization characteristics of the user.
And sixthly, after the platform area intelligent sensing acquisition terminal receives the acquisition task, starting to execute the acquisition task.
And seventhly, when the NB-IoT communication channel of the redundant communication channel fails, the communication channel of the failed NB-IoT is physically isolated by adopting an edge algorithm locally, and meanwhile, the redundant communication interface is switched into the NB-IoT communication channel of the adjacent terminal to upload the collected data until the task execution is completed. And the terminal uploads the information of the fault communication channel to the master station. And the acquisition terminal completes the uploading task and carries out a low power consumption state.
And step eight, awakening the low power consumption state of the terminal through timing interruption or current mutation triggering or key interruption. And after waking up, executing the command according to the command and completing the task.
Wherein, the function that communication module possesses: the communication acquisition module can send task or fault information to the master station, and when a terminal communication channel fails, the terminal is automatically isolated locally, and after a normal communication interface in a local network is introduced to complete acquisition, the terminal reports the failed communication channel, namely, the terminal can still complete the acquisition task after the communication NB-IoT fails, so that the real-time data acquisition function is realized, and the redundancy of system work is effectively improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration only, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the claims and their equivalents.
Claims (7)
1. The intelligent sensing terminal is characterized by comprising a Roche double-coil unit (1), a current acquisition module (2), a power supply electricity taking and conversion module (3), a watchdog (4), a current mutation trigger module (5), a processor MCU (microprogrammed control unit), and a communication module (9) comprising a 5G NB-LOT module and a wireless module, wherein the Roche double-coil unit (1) comprises a current acquisition coil and a power supply electricity taking coil, one circuit of the current acquisition coil is connected with the input end of the processor MCU through the current acquisition module (2), and the other circuit of the current acquisition coil is connected with the input end of the processor MCU through the current mutation trigger module (5); the power supply electricity taking coil is connected with the power supply electricity taking and converting module (3); the processor MCU is in communication connection with external equipment through a communication module (9), and the watchdog (4) is connected with the input end of the processor MCU.
2. The terminal for the intelligent sensing of the distribution room with the edge computing function by utilizing the 5G communication according to claim 1, wherein the processor MCU is provided with a low power consumption processing module (6), a data processing module (7) and an edge computing module (8), the output end of the processor MCU is connected with the indicating unit (10), the input end of the processor MCU is connected with the key (12), and the processor MCU is in communication connection with the flexible liquid crystal display part (11).
3. The terminal of claim 1, wherein the processor MCU is MSP430FR698 with 16MHz operating frequency, MSP430FR698 internal CPU is MSP430, and comprises 128KB Memory and 2KB RAM, and is externally extended with W25Q64 JVSSQ with 64MBit SPI interface and FRAM with 64KBit IIC interface.
4. The terminal of claim 1, wherein the NB-LOT module with 5G adopts R16 standard, the wireless module is a ZM433SX-L-KDZN small wireless module, and the ZM433SX-L-KDZN small wireless module forms a local network in the 0.4KV line area of the distribution transformer district.
5. The terminal for intelligent sensing of a transformer area with edge computing by using 5G communication according to claim 1, wherein the Rogowski double-coil unit (1) is a rigid open Rogowski coil current transformer ROS-50X, a signal coil test current range: 10A to 3000A, output signal: 0-5V (AC),0-10V (AC), 0-5V (DC), 0-10V (DC) and 4-20 mA.
6. The terminal of claim 1, wherein the current collection module (2) is composed of 2 MCP6V12T-E/MS op-amps, and the power supply power-taking and transformation module (3) is composed of 4 SS310 bridge rectifier and IRFBF30S, REF3325AIDBZR, and XC6206P302MR circuits; the watchdog (4) consists of 1 TP2011-TR and 1 Si2372 DS; the current mutation triggering module (5) comprises 2 TP2121-TR and 3 Si2371 EDS.
7. The terminal of claim 2, wherein the indication unit (10) is composed of 1 Si2372DS, 3 LEDs and a resistor-capacitor, the flexible liquid crystal display part (11) is composed of a flexible liquid crystal display module, and the keys (12) comprise 1 Si2372DS and 3 keys.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114488982A (en) * | 2022-01-25 | 2022-05-13 | 东方电气集团东方电机有限公司 | Flexible automatic lamination method based on 5G communication and edge calculation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114488982A (en) * | 2022-01-25 | 2022-05-13 | 东方电气集团东方电机有限公司 | Flexible automatic lamination method based on 5G communication and edge calculation |
| CN114488982B (en) * | 2022-01-25 | 2023-06-30 | 东方电气集团东方电机有限公司 | Flexible automatic lamination method based on 5G communication and edge calculation |
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Effective date of registration: 20240124 Address after: No. 128, Jiangjun Avenue, Jiangning District, Nanjing, Jiangsu 210000 Patentee after: JIANGSU SUYUAN GUANGYI SCIENCE & TECHNOLOGY Co.,Ltd. Country or region after: China Address before: No. 128, Jiangjun Avenue, Jiangning District, Nanjing City, Jiangsu Province, 211106 Patentee before: ELEFIRST SCIENCE & TECH Co.,Ltd. Country or region before: China |