CN220775874U - Cable edge internet of things proxy device - Google Patents
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- CN220775874U CN220775874U CN202322520582.3U CN202322520582U CN220775874U CN 220775874 U CN220775874 U CN 220775874U CN 202322520582 U CN202322520582 U CN 202322520582U CN 220775874 U CN220775874 U CN 220775874U
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Abstract
The embodiment of the utility model provides a cable edge internet-of-things proxy device, and belongs to the technical field of internet of things. The cable edge internet of things proxy device comprises: the system comprises a safety module, a communication module, an interface module, a power module, a debugging module, a storage module and a processing module, wherein the communication module, the interface module, the power module, the debugging module, the storage module and the processing module are connected with the safety module; the security module is formed by a chip array consisting of a plurality of chips. The scheme of the utility model realizes that all functional modules required by the edge internet of things device under a cable operation scene are integrated in one device. Aiming at the high calculation force requirement in the cable operation scene, a scheme of forming the safety module by the chip array is provided, and the module applicability in the cable operation scene is realized.
Description
Technical Field
The utility model relates to the technical field of the Internet of things, in particular to a cable edge internet of things proxy device.
Background
The current power grid is continuously expanded in scale, new energy is intensively connected with a grid in a large scale, a distributed power supply brings structural change of the power supply, the characteristics of double high and double peak of the power grid are increasingly obvious, a large number of power electronic equipment, cables, GIS equipment and the like are connected into the system, and the state management and control difficulty of the power transmission equipment is increased. The novel intelligent sensing, edge computing, digital twinning, the Internet of things and other technologies are adopted to perform sensing recognition on the running state of equipment, equipment real-time monitoring, equipment anomaly analysis and virtual inspection management are realized by means of the power transmission and transformation Internet of things platform, and autonomous decision making processing is performed on hidden danger of equipment, so that the intelligent sensing, edge computing, digital twinning, internet of things and other technologies are important ways for realizing efficient operation, maintenance and overhaul of power transmission and transformation equipment.
However, the current active sensing technology research of the state of the cable equipment based on the Internet of things is still in a starting stage, and has larger application defects in sensing, communication and system platform aspects, so that the field and the remote control part cannot be perfectly combined. Through the collection of multi-dimensional key state parameters of the sensing device, a multi-parameter multi-dimensional equipment state evaluation model is established, heterogeneous cross-domain network interconnection is realized based on Yun Bian cooperative intelligent Internet of things edge internet of things proxy devices, mapping of physical entity shapes and operation characteristics can be constructed, a physical cable entity digital mirror image is formed, big data and artificial intelligent analysis are combined, and cable operation trend is evaluated based on cable equipment state monitoring. The cable edge internet-of-things agent of the core convergence device of the cable monitoring system is generally deployed in a transformer substation, and multi-associated cable monitoring data are converged and uploaded to the cable lean management platform. The existing cable edge internet of things proxy device adopts an electric power general internet of things proxy device which has the functions of data convergence communication, data processing, edge calculation and the like, realizes the data management of cloud pipe edge, but lacks an evaluation model analysis function aiming at the cable state, and comprises the following steps that a data processing model designed in the device only meets the general data protocol architecture and content of a power grid, and the data analysis of the cable operation characteristics cannot realize accurate analysis and output; in addition, the data types, sampling periods, data formats and the like of the cable monitoring service are inconsistent, and the requirements of data transmission bandwidth, transmission delay, safety and the like are different. Aiming at the problem that the existing edge internet of things device cannot be suitable for a cable operation scene, a new cable edge internet of things proxy scheme needs to be created.
Disclosure of Invention
The embodiment of the utility model aims to provide a cable edge internet of things proxy device, which aims to solve the problem that the existing edge internet of things device cannot be suitable for a cable operation scene.
In order to achieve the above object, an embodiment of the present utility model provides a cable edge internet of things proxy device, including: the system comprises a safety module, a communication module, an interface module, a power module, a debugging module, a storage module and a processing module, wherein the communication module, the interface module, the power module, the debugging module, the storage module and the processing module are connected with the safety module; the security module is formed by a chip array consisting of a plurality of chips.
Optionally, the chip in the security module is an SCM801 series chip.
Optionally, the communication module includes: one or more of a Bluetooth module, an Ethernet module, a WIFI module and a cellular mobile data network module.
Optionally, the ethernet module is an ethernet module with a working frequency ranging from 470MHz to 510 MHz.
Optionally, the interface module includes: SRAM interface, JTAG interface, universal serial interface, and bus interface.
Optionally, the storage module is accessed to the security module through the SRAM interface; the storage module IS IS62WV51216BLL memory.
Optionally, the JTAG interface is a 20 pin JTAG interface.
Optionally, the processing module is a pcmx 6G2CVM05AA chip.
Optionally, the security module, the communication module, the power module, the storage module and the processing module are integrated on the same board.
Optionally, a plurality of chips in the security module are deployed in parallel and used for processing data in parallel.
Through the technical scheme, the safety module is taken as a core aiming at the characteristics of the cable operation scene, and the communication module, the interface module, the power module, the debugging module, the storage module and the processing module are integrated at the same time, so that all functional modules required by the edge internet of things device under the cable operation scene are integrated in one device. Aiming at the high calculation force requirement in the cable operation scene, a scheme of forming the safety module by the chip array is provided, and the module applicability in the cable operation scene is realized.
Additional features and advantages of embodiments of the utility model will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain, without limitation, the embodiments of the utility model. In the drawings:
fig. 1 is a schematic structural diagram of a cable edge internet of things proxy device according to an embodiment of the present utility model.
Detailed Description
The following describes the detailed implementation of the embodiments of the present utility model with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.
In the embodiments of the present utility model, unless otherwise indicated, terms such as "upper, lower, left, and right" and "upper, lower, left, and right" are used generally referring to directions or positional relationships based on those shown in the drawings, or those conventionally used in the use of the inventive products. The terms "first," "second," "third," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.
The terms "horizontal," "vertical," "overhang," and the like do not denote that the component is required to be absolutely horizontal, vertical, or overhang, but may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
Furthermore, the terms "substantially," "essentially," and the like, are intended to be limited to the precise form disclosed herein and are not necessarily intended to be limiting. For example: the term "substantially equal" does not merely mean absolute equal, but is difficult to achieve absolute equal during actual production and operation, and generally has a certain deviation. Thus, in addition to absolute equality, "approximately equal to" includes the above-described case where there is a certain deviation. In other cases, the terms "substantially", "essentially" and the like are used in a similar manner to those described above unless otherwise indicated.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The current power grid is continuously expanded in scale, new energy is intensively connected with a grid in a large scale, a distributed power supply brings structural change of the power supply, the characteristics of double high and double peak of the power grid are increasingly obvious, a large number of power electronic equipment, cables, GIS equipment and the like are connected into the system, and the state management and control difficulty of the power transmission equipment is increased. The novel intelligent sensing, edge computing, digital twinning, the Internet of things and other technologies are adopted to perform sensing recognition on the running state of equipment, equipment real-time monitoring, equipment anomaly analysis and virtual inspection management are realized by means of the power transmission and transformation Internet of things platform, and autonomous decision making processing is performed on hidden danger of equipment, so that the intelligent sensing, edge computing, digital twinning, internet of things and other technologies are important ways for realizing efficient operation, maintenance and overhaul of power transmission and transformation equipment. However, the current active sensing technology research of the state of the cable equipment based on the Internet of things is still in a starting stage, and has larger application defects in sensing, communication and system platform aspects, so that the field and the remote control part cannot be perfectly combined. Through the collection of multi-dimensional key state parameters of the sensing device, a multi-parameter multi-dimensional equipment state evaluation model is established, heterogeneous cross-domain network interconnection is realized based on Yun Bian cooperative intelligent Internet of things edge internet of things proxy devices, mapping of physical entity shapes and operation characteristics can be constructed, a physical cable entity digital mirror image is formed, big data and artificial intelligent analysis are combined, and cable operation trend is evaluated based on cable equipment state monitoring. The cable edge internet-of-things agent of the core convergence device of the cable monitoring system is generally deployed in a transformer substation, and multi-associated cable monitoring data are converged and uploaded to the cable lean management platform. The existing cable edge internet of things proxy device adopts an electric power general internet of things proxy device which has the functions of data convergence communication, data processing, edge calculation and the like, realizes the data management of cloud pipe edge, but lacks an evaluation model analysis function aiming at the cable state, and comprises the following steps that a data processing model designed in the device only meets the general data protocol architecture and content of a power grid, and the data analysis of the cable operation characteristics cannot realize accurate analysis and output; in addition, the data types, sampling periods, data formats and the like of the cable monitoring service are inconsistent, and the requirements of data transmission bandwidth, transmission delay, safety and the like are different.
Aiming at the problem that the existing edge internet of things device cannot be suitable for a cable operation scene, the scheme of the utility model provides the cable edge internet of things proxy device, aiming at the characteristics of the cable operation scene, the safety module is taken as a core, and meanwhile, the communication module, the interface module, the power module, the debugging module, the storage module and the processing module are integrated, so that all functional modules required by the edge internet of things device under the cable operation scene are integrated in one device. Aiming at the high calculation force requirement in the cable operation scene, a scheme of forming the safety module by the chip array is provided, and the module applicability in the cable operation scene is realized.
Referring to fig. 1, the present embodiment provides a cable edge internet of things proxy device, which includes: the system comprises a safety module, a communication module, an interface module, a power module, a debugging module, a storage module and a processing module, wherein the communication module, the interface module, the power module, the debugging module, the storage module and the processing module are connected with the safety module; the security module is formed by a chip array consisting of a plurality of chips.
Preferably, the chip in the security module is an SCM801 series chip.
In the embodiment of the utility model, the cable edge internet of things proxy device needs to run the microwatt wireless access protocol and the node equipment wireless networking protocol at the same time. Therefore, the performance, the memory size, the interface and the like of the MCU controller are required to be high. Based on this, the SCM801 series chip is selected to constitute a security module. The serial chips adopt a high-density high-speed circuit board design, 4 cores 32BitThe A7 architecture multi-core processor is developed, the main frequency is up to 1GHz, the storage can reach 2048KB, and the maximum memory is 384KB. The integrated circuit board supports abundant peripheral interfaces including UART, SPI, I2C, ADC, CAN, LCD,10/100/1000Mbps MAC, USB, IIC and the like, integrates circuits such as a processor, DDR, eMMC, power management and the like, adopts stamp hole bonding pads with the distance of 1.3mm, is stable and reliable, has high cost performance and CAN be widely applied to the field of industrial control.
In one possible implementation, the edge internet of things proxy data calculation amount is far greater than that of the local convergence unit, so that 4 main control chips are deployed to meet the requirement of calculating capacity expansion. Meanwhile, the serial chips support a low-power consumption mode, the power consumption of equipment can be reduced by reducing the speed of a system clock and controlling the gating of a peripheral clock, and the device can be awakened from a stop mode and a standby mode by programming an RTC multiplexing function, so that the aim of further reducing the power consumption of the equipment is fulfilled.
Preferably, the communication module includes: one or more of a Bluetooth module, an Ethernet module, a WIFI module and a cellular mobile data network module.
In the embodiment of the utility model, the design of the radio frequency receiving and transmitting circuit in the edge internet of things agent is consistent with the design of the radio frequency circuit of the 4G/5G wireless communication module, the data used for the local convergence unit is remotely transmitted to the background, the terminal is provided with the VPN communication card, the data is transmitted to the wireless private network, the safety communication of the data is ensured, the working mode of the terminal is controlled by the main control terminal to receive the data transmitted by the terminal, and the communication frequency range supports 4G/5G frequency bands. The wireless communication part comprises two paths of 470MHz LoRa radio frequency transceiver circuits and 4G/5G communication circuits, and is provided with a logical control channel and a logical data channel, so that the wireless communication part can simultaneously support the transmission of two channels, and the flexible switching of data communication is completed, so that the wireless communication part meets more application function scenes.
Preferably, the ethernet module is an ethernet module with a working frequency ranging from 470MHz to 510 MHz.
In the embodiment of the utility model, the radio frequency transceiver circuit of the edge internet of things agent is consistent with the communication module of the local convergence unit, and the main application scene is that the local convergence unit is not required to be deployed when the tunnel distance is short and the local convergence unit is close to the transformer substation, and all monitoring data are directly connected to the edge internet of things agent and converged in a wireless mode. The device supports a wireless networking protocol of node equipment, the communication frequency ranges from 470MHz to 510MHz, the standby current of a wireless communication module is less than or equal to 1 mu A, the receiving current is 15mA, the maximum transmitting power is 20dBm, the receiving sensitivity reaches-138 dBm, the maximum bandwidth is 256KHz, the spreading factor comprises 5 to 12, and the coding rate is 4/5. The edge internet of things proxy comprises three paths of 470MHz LoRa radio frequency transceiver circuits, wherein one path is connected with an upper control host or communication equipment, and the other two paths are connected with other lower LoRa wireless convergence equipment and low-power consumption wireless equipment.
Preferably, the interface module includes: SRAM (Static Random-Access Memory) interface, JTAG (Joint Test Action Group, joint test working group) interface, universal serial interface, and bus interface.
Preferably, the storage module is connected to the security module through the SRAM interface; the storage module IS IS62WV51216BLL memory.
In the embodiment of the utility model, the storage system IS an indispensable part of the embedded system, and IS62WV51216BLL IS selected as the SRAM memory according to actual requirements. IS62WV51216BLL IS a static random access memory that IS used in embedded systems because of its fast storage speed, large capacity, etc. The IS62WV51216BLL adopts the modern chip technology and IS manufactured by using the CMOS (Complementary Metal Oxide Semiconductor ) technology, so that the performance IS reliable, the power consumption IS low by adopting the CMOS technology, and the chip can be in a low-power consumption state by controlling the pins of the chip when the chip IS not used, so that the resources and the energy of the whole circuit board are saved.
Preferably, the JTAG interface is a 20-pin JTAG interface.
In the embodiment of the utility model, all chips conforming to the IEEE1149.1 specification are compatible with JTAG interfaces, and all chips meeting the specification contain a boundary scan single BSC. The JTAG interface has good superiority, and the scheme of the utility model adopts the JTAG interface with 20 pins so as to realize the functions of boundary scanning, hardware testing, programming and the like.
Preferably, the processing module is a pcmx 6G2CVM05AA chip.
In the embodiment of the utility model, the processing module, namely the edge computing processing unit, realizes the container computing and visual presentation of perceived data in the whole network, comprises the monitoring, early warning, real-time data recording, comprehensive analysis of running conditions and the like of the sensor, further realizes the full-period monitoring of the running process of the sensor, mainly comprises an ARM control part, a network part, a power supply part and the like, has higher processing capacity requirement on a processor, and the edge processing module control chip selects a PCIMX6G2CVM05AA chip as an edge processing module control chip. The edge processing module is integrated on the SCM801 master circuit.
In the embodiment of the utility model, the PCIMX6G2CVM05AA chip selected by the device is based on the CPU of the ARM Cortex-A7 core, the price, the energy consumption and the size which are far smaller than those of the CPU of the A9 core, can provide a solution with more cost performance and more energy conservation, and is suitable for occasions with low cost and low power consumption; the chip also comprises an integrated power management unit, so that the complexity of an external power supply is reduced, and the power-on time sequence is simplified. In the first stage, similar to the development board, only the bottom board is made, the core board part does not need to be designed, and the SCM801A core board is utilized, so that the main purpose is to evaluate the core board, reduce the development period and quickly form a product.
In a possible implementation manner, the cable edge internet of things proxy device provided by the utility model has the characteristic of high development speed, so that the cable edge internet of things proxy device has good applicability when being used quantitatively. In the development process, in the first stage, similar to a development board, only a bottom board is made, the core board part does not need to be designed, and the SCM801A core board is utilized, so that the main purpose is to evaluate the core board, reduce the development period and quickly form a product. In the second stage, on the basis of evaluating the core board in the first stage, according to the specific function in practical application, the edge computing processing unit part of the ARM control circuit is custom-designed, a power supply, a reset monitoring circuit and a storage circuit are integrated on the ready-made core board, a simple external power supply circuit is provided for operation, a base board power supply provides a 5V power supply, the base board is powered on firstly to ensure that the core board is powered on, then the base board is powered on to prevent the CPU from being damaged due to the locking effect, the power supply is output to the core board, and after the core board is started, a high-level switch control signal is output to the base board, and the base board is powered on at the moment. The bottom plate comprises a switch key, and the switch key can be turned off or turned on after long-time pressing; the bottom plate also comprises a reset key for resetting the core plate; because the core board has a plurality of starting modes, the bottom board is provided with a starting configuration switch, thereby being convenient for development and debugging. The USB circuit realizes data interaction between the aggregation unit and the edge computing processing unit.
The foregoing details of the optional implementation of the embodiment of the present utility model have been described in detail with reference to the accompanying drawings, but the embodiment of the present utility model is not limited to the specific details of the foregoing implementation, and various simple modifications may be made to the technical solution of the embodiment of the present utility model within the scope of the technical concept of the embodiment of the present utility model, and these simple modifications all fall within the protection scope of the embodiment of the present utility model.
In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, various possible combinations of embodiments of the present utility model are not described in detail.
Those skilled in the art will appreciate that all or part of the steps in implementing the methods of the embodiments described above may be implemented by a program stored in a storage medium, including instructions for causing a single-chip microcomputer, chip or processor (processor) to perform all or part of the steps of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
In addition, any combination of various embodiments of the present utility model may be performed, so long as the concept of the embodiments of the present utility model is not violated, and the disclosure of the embodiments of the present utility model should also be considered.
Claims (10)
1. The utility model provides a cable edge thing allies oneself with proxy device which characterized in that, cable edge thing allies oneself with proxy device includes:
the security module is provided with a security module,
the system comprises a communication module, an interface module, a power module, a debugging module, a storage module and a processing module, wherein the communication module, the interface module, the power module, the debugging module, the storage module and the processing module are connected with the safety module;
the security module is formed by a chip array consisting of a plurality of chips.
2. The cable edge internet of things proxy device of claim 1 wherein the chips in the security module are SCM801 series chips.
3. The cable edge internet of things proxy device of claim 1 wherein the communication module comprises:
one or more of a Bluetooth module, an Ethernet module, a WIFI module and a cellular mobile data network module.
4. A cable edge internet of things proxy device according to claim 3, wherein the ethernet module is an ethernet module having an operating frequency in the range 470MHz to 510 MHz.
5. The cable edge internet of things proxy device of claim 1 wherein the interface module comprises:
SRAM interface, JTAG interface, universal serial interface, and bus interface.
6. The cable edge internet of things proxy device of claim 5 wherein said storage module accesses said security module through said SRAM interface;
the storage module IS IS62WV51216BLL memory.
7. The cable edge internet of things proxy device of claim 5 wherein said JTAG interface is a 20 pin JTAG interface.
8. The cable edge internet of things proxy device of claim 1, wherein the processing module is a pcmx 6G2CVM05AA chip.
9. The cable edge internet of things proxy device of claim 1 wherein the security module, the communication module, the power module, the storage module, and the processing module are integrated on the same board.
10. The cable edge internet of things proxy device of claim 1 wherein a plurality of chips in the security module are deployed in parallel for parallel data processing.
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| CN202322520582.3U CN220775874U (en) | 2023-09-15 | 2023-09-15 | Cable edge internet of things proxy device |
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| CN202322520582.3U CN220775874U (en) | 2023-09-15 | 2023-09-15 | Cable edge internet of things proxy device |
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