CN116319891B - Remote measurement and control terminal with edge calculation function - Google Patents
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Abstract
The invention discloses a remote measurement and control terminal with an edge calculation function, which belongs to the technical field of remote measurement and control edge calculation of the Internet of things and comprises a main module and an expansion board, wherein the main module comprises a storage module, a power module, a safety module, a monitoring module and a calculation module. The hardware architecture with high performance, high reliability and safety application is adopted, the requirements of remote control, visual processing and artificial intelligence on edge computing are met, the edge bearing of heterogeneous computing power is realized, the architecture based on software definition and container virtualization is adopted, the ultra-low-time-delay heterogeneous resource scheduling is realized, the decoupling technology and unified driving between application software and hardware under the support of different types of multi-core heterogeneous hardware architecture are realized, the excellent software architecture universality and multi-language programming capability are provided, the remote management of terminal equipment, the edge computing resource and state sensing service, the data collaboration service, the application collaboration service and the task scheduling service can be realized, and the edge side management difficulty is reduced.
Description
Technical Field
The invention belongs to the technical field of remote measurement and control edge calculation of the Internet of things, and particularly relates to a remote measurement and control terminal with an edge calculation function.
Background
The remote measurement and control edge computing technology of the Internet of things is realized through a remote measurement and control edge computing terminal, ETU for short, the product has the functions of remote monitoring control and edge computing and data remote transmission, and the application of integrated protocol conversion, network communication, storage, monitoring, remote control, data acquisition and edge computing is the terminal equipment with the most complete functions, the most advanced technology, wired transmission and 4G/5G wireless transmission compatibility, can be used for the ad hoc network, and can be widely applied to the industries of hydrology, electric power, petroleum, petrifaction, geology, environmental protection, public security, municipal administration and the like.
In the face of the challenges of economy globalization and social informatization, energy enterprises also have to take professional production automation and informatization as important means of technical innovation, management innovation and system innovation, so that the traditional operation mode is modified in an informatization manner, and the comprehensive competitive capacity of the enterprises is improved. The method comprehensively starts the Internet of things, informatization and digital construction of the oil field company, realizes the digital management of oil field production operation, is an effective way for improving the production efficiency, enhancing the safety and environmental protection, promoting the energy conservation and emission reduction, improving the working condition, optimizing the production organization mode and controlling the production labor, and is a necessary choice for accelerating the conversion of the development mode and improving the development management level and the comprehensive benefit of the oil field.
At present, the number of oil wells in China reaches hundreds of thousands, the new drilling number in China is expected to be kept about 2 thousands of years in the future, oil field enterprises in China realize digitization and intellectualization to different degrees, such as the A11 project of medium petroleum and the four-in construction of medium petrochemical industry, the informatization and the digitization construction of the oil field are forcefully promoted, but the digitization and the intellectualization degree and the actual requirements of the oil field have a certain gap at present, and the future development needs to be continuously integrated with advanced technologies such as cloud computing, big data, internet of things, artificial intelligence and the like, so that the further transformation and upgrading of the oil field enterprises are promoted.
With the deep construction of oil fields, with the gradual maturity of advanced technologies such as Internet technology, big data, cloud computing, artificial intelligence and the like, the existing network is gradually unable to meet certain specific business requirements.
For example, a mobile cloud platform is a platform for geological engineering and software office by moving a cloud desktop, and has very high requirements on bandwidth and system time delay of data. Big data acquisition, including acquisition in remote areas or acquisition of big data of geological geophysical prospecting, has very high requirements on coverage, bandwidth and power consumption of equipment.
And the system also has accurate remote control, comprises monitoring on single well valves, pipelines and security inspection, and comprises monitoring on oil pulling of a convenient well, and has very high requirement on data bandwidth.
In addition, the following aspects are also problems to be solved by oilfield users:
1. Real-time monitoring of equipment operation condition and ensuring safe operation of oilfield equipment
The number and types of production equipment, automation equipment and communication equipment of oil field enterprises are very large and complex, wherein the safe operation of the production equipment is particularly important, if the production equipment fails, the oil field economy is lost due to light weight, and the safety accident is caused due to heavy weight, so that the bad social and negative effects are caused.
Therefore, the operation condition of the production equipment is monitored in real time, the equipment operation data is mined, an early warning model is established, the safety early warning of the equipment is realized, and the method has important significance for guaranteeing the safety operation of the production equipment and avoiding serious accidents.
2. Automatic equipment fault diagnosis, realization of overhaul and maintenance guidance of production equipment
Regarding the overhaul of oil extraction, gas production equipment and pipe transportation equipment of oil field enterprises, two problems need to be solved, namely, when to repair, the repair is not performed, and the other problem is what to repair and how to repair. The first problem is a maintenance triggering problem, namely a problem of performing maintenance decision according to a reliability principle and fault early warning of equipment; the second problem is the problem of targeted, accurate service based on fault localization and fault confirmation, both of which are the core of implementing "status service". In view of the current situation, the production equipment for oil and gas extraction and the pipe transportation equipment for oil and gas transportation can adopt the fault model established by the data of the field instrument and the fault mechanism, and simultaneously realize fault early warning and fault diagnosis by machine learning and big data analysis, thereby providing basis for maintenance decision and maintenance implementation of the production equipment.
3. Improving the energy-saving and consumption-reducing level
The oilfield enterprise is taken as a large-scale production enterprise for power consumption, the investment of electric charges is quite huge each year, and the energy conservation and consumption reduction of the powerful oilfield enterprise are not sustained. Advanced information methods and systems such as big data and cloud computing are utilized to actively explore a frequency conversion technology and a downhole working fluid level technology, and the elastic operation level of production equipment is improved.
4. Intelligent production
The method fully utilizes the existing digital and informationized construction foundation of the oilfield enterprise, introduces more advanced information technology, industrial technology and management means, realizes accurate perception of production data, optimizes the production process, reduces manual intervention, and finally enables the oilfield enterprise to have the capabilities of self-analysis, self-diagnosis, self-optimization, self-management, self-recovery and self-learning through scientific and reasonable step-by-step implementation, thereby further improving the efficiency and reducing the cost.
5. Highly integrated
The production site has the advantages that the quantity of automation equipment and network equipment is large, the types are miscellaneous, the failure rate is relatively high, great operation and maintenance pressure is brought to operation and maintenance personnel, multiple functions are integrated (acquisition, control, network, calculation and storage), the investment of oil field enterprises is reduced while the operation and maintenance personnel are reduced, and the cost reduction and synergy of the oil field enterprises are realized in a true sense.
6. Problems with existing data terminals
(1) DTU: DTU (DATA TRANSFER unit) is a wireless terminal device dedicated to converting serial data into IP data or converting IP data into serial data for transmission through a wireless communication network. The DTU is widely applied to industries such as weather, hydrology, water conservancy and geology.
The DTU hardware component mainly comprises a CPU control module, a wireless communication module and a power module, and only has a data acquisition function.
(2) RTU: RTU is REMOTE TERMINAL UNIT for short, chinese name is remote measurement and control terminal, which is used for monitoring, controlling and data acquisition. The remote control system has the functions of remote measurement, remote signaling, remote regulation and remote control.
The product can be remotely monitored and controlled, integrates data acquisition, control and transmission functions, adopts a low-power consumption design, is suitable for the industry and the field site powered by solar energy, and is widely applied to the industries such as hydrology, water conservancy, electric power, petroleum, geology, environmental protection and the like.
The RTU terminal integrates the five-remote function of the current RTU, namely telemetry, remote signaling, remote control, remote regulation and remote vision. But only has the functions of data acquisition and transmission, has no functions of data edge analysis, remote parameter adjustment and the like, and is an updated version of the DTU.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks, the present application provides a remote measurement and control terminal with an edge calculation function, which solves the above-mentioned problems, and the purpose of the present application is: the application has the functions of remote monitoring control, edge calculation and data remote transmission, integrates the applications of protocol conversion, network communication, storage, monitoring, remote control, data acquisition and edge calculation, has the most complete functions and the most advanced technology, is compatible with wired transmission and 4G/5G wireless transmission, can be used for terminal equipment of an ad hoc network, and can be widely applied to the industries of hydrology, water conservancy, electric power, petroleum, petrifaction, geology, environmental protection, public security, municipal administration and the like.
In order to achieve the above purpose, the present invention provides the following technical solutions: the remote measurement and control terminal with the edge calculation function comprises a main module and an expansion board, wherein the main module comprises a storage module, a power module, a safety module, a monitoring module and a calculation module, the main module is in bidirectional connection with the expansion board, the expansion board comprises a network communication unit, an artificial intelligent acceleration unit, a wired network communication unit, a wireless network communication unit, an Internet of things unit and an industrial bus unit, and the main module uses a CPU as a minimum basic system of a control center.
The expansion board comprises a wireless expansion module and an industrial bus expansion module, and the basic system of the main module is respectively connected with the wireless expansion module and the industrial bus expansion module through a backboard expansion bus.
The wireless expansion module and the industrial bus expansion module adopt pluggable modular design and are connected with the minimum basic system of the main module through the high-speed connector between the boards.
As a further aspect of the invention: the system framework applied by the main module comprises an RS485 isolation bus, an I/O interface wired instrument, a ZigBee wireless instrument, a WIFI, a WIA-PA wireless instrument, POE power management, 4G/5G communication, photoelectric industrial Ethernet and safe filtration.
As a further aspect of the invention: the functional module ports applied by the main module comprise FLASH, eMMC, RAM, POWER, CLK & RTC and LEDs, and the functional module ports applied by the main module are connected with the encryption security chip and WD & RST.
As a further aspect of the invention: the interface of the wireless expansion module application comprises 4G/5G, WIFI, NB-IOT, zigBee, 433 and WIA-PA, and the interface of the industrial bus expansion module application comprises RS485/RS232, CAN, USB, real-time Ethernet, TSN, PON and artificial intelligent deep learning acceleration.
As a further aspect of the invention: the storage module in the basic system of the main module comprises a memory DDR and internal storage.
The memory DDR structure of the main module is 16-bit data line width and 16-bit address line, and supports three types of memory particles of LPDDR2, DDR3 and DDR 3L.
For LPDDR2, the master module supports single granules of 16-bit and 4-bit data.
For DDR3, the master module supports a single granule of 16-bit and 8-bit data.
For DDR3L, the master module supports a single granule of 16 bits of data.
The flash memory interface of the main module supporting internal storage comprises NOR, NAND, eMMC, and a storage chip with a storage architecture of SLC is specifically expanded by adopting a NAND interface to one piece NAND FLASH.
As a further aspect of the invention: the monitoring module in the basic system of the main module comprises a peripheral circuit, wherein the peripheral circuit comprises an input power supply, a protection, an on-board small power supply module, a clock circuit, a reset and watchdog circuit, an indicator light and a JTAG circuit.
The WATCHDOG circuit adopts GPIO as a WATCHDOG feeding signal, when the WATCHDOG circuit operates, if the WATCHDOG feeding signal is not provided in a boot stage 2s, the equipment is in a repeatedly restarted state, a GPIO pin is used as a WATCHDOG enabling control signal, and when the GPIO pin is a WDO signal output in the process of 1, the state of/MR is only controlled by SOFT_RST, so that the aim of closing the hardware WATCHDOG function is fulfilled.
As a further aspect of the invention: the RGMII0 interface of the CPU is used for connecting the exchange chip so as to realize data transmission between the exchange chip and the CPU, and data forwarding can be realized between the WAN and the LAN port.
As a further aspect of the invention: the RS485/RS232 structure in the industrial bus expansion module is provided with an industrial serial port, and the mode supports RS232/485 switching.
As a further aspect of the invention: the 1-way USB interface using the CPU is configured as USB3.0 for connecting to m.2 connectors of the 5G module.
The USB3.0 interface is compatible with USB2.0 interface configuration, is connected to MiniPcie connectors of the 4G module, only one communication module is reserved in the system, and the corresponding module is selected according to actual product matching requirements.
As a further aspect of the invention: the artificial intelligent accelerator card has 2 interface forms, namely MiniPCIe and M.2 interfaces respectively, SERDES LANE C is connected with an AI accelerator module, PCIE3.0x2 is required for the highest configuration, PCIE2.0 is required for the lowest configuration, and compatible design is realized on the same MiniPCIe connector.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the invention, the requirements of remote control, visual processing and artificial intelligence on edge calculation are met by adopting a hardware architecture with high performance, high reliability and safety application, the edge bearing of heterogeneous calculation force is realized, the heterogeneous resource scheduling based on a software definition and container virtualization system architecture, the decoupling technology and unified driving between application software and hardware under the support of different types of multi-core heterogeneous hardware architectures are realized, the excellent software architecture universality and multi-language programming capability are provided, the remote management of terminal equipment, the edge calculation resource and state perception service, the data collaboration service, the application collaboration service and the task scheduling service are also realized, and the edge side management difficulty is reduced.
2. The invention is applied to diversified occasions such as oil wells, water wells, metering rooms, digital cities, intelligent factories and the like, has edge computing capability, can realize production parameters such as temperature and pressure, field device working condition data acquisition, supports control functions such as issuing regulation and control instructions and the like, is of a complete and maintenance-free structure, adopts a modularized design, has safe and reliable performance, mature technology, is convenient to install and maintain and has long service life, and the invention meets the safety protection requirements of industrial control products.
Drawings
FIG. 1 is a functional block diagram of the product of the present invention.
Fig. 2 is a system architecture diagram of the main module of the present invention.
Fig. 3 is a schematic diagram of interfaces between a functional module port and a wireless expansion module application according to the present invention.
Fig. 4 is a schematic diagram of a hardware structure of a basic system of the present invention.
FIG. 5 is a schematic diagram of the DDR memory structure of the memory module of the present invention.
FIG. 6 is a schematic diagram of an internal memory structure of the memory module according to the present invention.
Fig. 7 is a schematic diagram of the watchdog circuit of the present invention.
Fig. 8 is a circuit diagram of a watchdog circuit of the present invention.
Fig. 9 is a schematic diagram of an ethernet interface according to the present invention.
Fig. 10 is a schematic diagram of the structure of the RS485/RS232 interface of the present invention.
Detailed Description
The technical scheme of the application is further described in detail below with reference to the specific embodiments.
As shown in fig. 1-10, the present invention provides a technical solution: the remote measurement and control terminal with the edge calculation function comprises a main module and an expansion board, wherein the main module comprises a storage module, a power module, a safety module, a monitoring module and a calculation module, the main module is in bidirectional connection with the expansion board, the expansion board comprises a network communication unit, an artificial intelligent acceleration unit, a wired network communication unit, a wireless network communication unit, an Internet of things unit and an industrial bus unit, and the main module uses a CPU as a minimum basic system of a control center.
The expansion board comprises a wireless expansion module and an industrial bus expansion module, and the basic system of the main module is respectively connected with the wireless expansion module and the industrial bus expansion module through a backboard expansion bus.
The wireless expansion module and the industrial bus expansion module adopt pluggable modular design and are connected with the minimum basic system of the main module through the high-speed connector between boards.
The system framework applied by the main module comprises an RS485 isolation bus, an I/O interface wired instrument, a ZigBee wireless instrument, a WIFI, a WIA-PA wireless instrument, POE power management, 4G/5G communication, photoelectric industrial Ethernet and safe filtering.
The functional module ports applied by the main module comprise FLASH, eMMC, RAM, POWER, CLK & RTC and LEDs, and the functional module ports applied by the main module are connected with the encryption security chip and WD & RST.
The interface of the wireless expansion module application comprises 4G/5G, WIFI, NB-IOT, zigBee, 433 and WIA-PA, and the interface of the industrial bus expansion module application comprises RS485/RS232, CAN, USB, real-time Ethernet, TSN, PON and artificial intelligent deep learning acceleration.
The storage module in the basic system of the main module comprises a memory DDR and internal storage.
The memory DDR structure of the main module is 16-bit data line width and 16-bit address line, and supports three types of memory particles of LPDDR2, DDR3 and DDR 3L.
For LPDDR2, the master module supports single granules of 16-bit and 4-bit data.
For DDR3, the master module supports a single granule of 16-bit and 8-bit data.
For DDR3L, the master module supports a single granule of 16 bits of data.
The flash memory interface of the main module supporting internal storage comprises NOR, NAND, eMMC, and a storage chip with a storage architecture of SLC is expanded by one piece NAND FLASH specifically by adopting a NAND interface.
The monitoring module in the basic system of the main module comprises a peripheral circuit, wherein the peripheral circuit comprises an input power supply, a protection, an on-board small power supply module, a clock circuit, a reset and watchdog circuit, an indicator light and a JTAG circuit;
when the WATCHDOG circuit operates, if the WATCHDOG circuit does not have a WATCHDOG feeding signal in the boot stage 2s, the equipment is in a repeated restarting state, and when the WATCHDOG circuit uses a GPIO pin as a WATCHDOG enabling control signal and outputs a WDO signal when the GPIO pin is 1, the state of the/MR is controlled by the SOFT_RST only, so that the aim of closing the hardware WATCHDOG function is fulfilled.
The RGMII0 interface of the CPU is used for connecting the exchange chip so as to realize data transmission between the exchange chip and the CPU, and data forwarding can be realized between the WAN and the LAN port.
The RS485/RS232 structure in the industrial bus expansion module is provided with an industrial serial port, and the mode supports RS232/485 switching.
The 1-way USB interface using the CPU is configured as USB3.0 for connecting to m.2 connectors of the 5G module.
The USB3.0 interface is compatible with USB2.0 interface configuration, is connected to MiniPcie connectors of the 4G module, only one communication module is reserved in the system, and the corresponding module is selected according to actual product matching requirements.
The artificial intelligent accelerator card has 2 interface forms, namely MiniPCIe and M.2 interfaces respectively, SERDES LANE C is connected with an AI accelerator module, PCIE3.0x2 is required for the highest configuration, PCIE2.0 is required for the lowest configuration, and compatible design is realized on the same MiniPCIe connector.
From the above, it is known that: the hardware architecture with high performance, high reliability and safety application is adopted, the requirements of remote control, visual processing and artificial intelligence on edge calculation are met, and the edge bearing of heterogeneous calculation force is realized.
Based on a system architecture of software definition and container virtualization, ultra-low latency heterogeneous resource scheduling, decoupling technology and unified driving between application software and hardware under the support of different types of multi-core heterogeneous hardware architectures provide excellent software architecture universality and multi-language programming capability.
The remote management of the terminal equipment, the edge computing resource and state sensing service, the data collaboration service, the application collaboration service and the task scheduling service are realized, and the difficulty of edge side management is reduced.
The application is applied to diversified occasions such as oil wells, water wells, metering rooms, digital cities, intelligent factories and the like, has edge computing capability, can realize production parameters such as temperature and pressure, field device working condition data acquisition, supports control functions such as issuing regulation and control instructions and the like, is of a complete and maintenance-free structure, adopts a modularized design, has safe and reliable performance, mature technology, is convenient to install and maintain and has long service life, and the application meets the safety protection requirements of industrial control products.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically 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 invention can be understood by those of ordinary skill in the art in a specific case.
While the preferred embodiments of the present application have been described in detail, the present application is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present application within the knowledge of those skilled in the art.
Claims (7)
1. Remote measurement and control terminal with edge calculation function, including master module and expansion board, its characterized in that: the main module comprises a storage module, a power supply module, a safety module, a monitoring module and a calculation module, wherein the main module is in bidirectional connection with an expansion board, the expansion board comprises a network communication unit, an artificial intelligent acceleration unit, a wired network communication unit, a wireless network communication unit, an Internet of things unit and an industrial bus unit, and the main module takes a CPU as a minimum basic system of a control center;
the expansion board comprises a wireless expansion module and an industrial bus expansion module, and the basic system of the main module is respectively connected with the wireless expansion module and the industrial bus expansion module through a backboard expansion bus;
The wireless expansion module and the industrial bus expansion module are in pluggable modular design and are connected with the minimum basic system of the main module through a high-speed connector between boards;
the monitoring module in the basic system of the main module comprises a peripheral circuit, wherein the peripheral circuit comprises an input power supply, a protection, an on-board small power supply module, a clock circuit, a reset and watchdog circuit, an indicator light and a JTAG circuit;
the WATCHDOG circuit adopts GPIO as a WATCHDOG feeding signal, when the WATCHDOG circuit operates, if the WATCHDOG feeding signal is not provided in a boot stage 2s, the equipment is in a repeatedly restarting state, a GPIO pin is used as a WATCHDOG enabling control signal, and when the GPIO pin is a WDO signal output in the process of 1, the state of/MR is only controlled by SOFT_RST, so that the aim of closing the hardware WATCHDOG function is fulfilled;
The interface of the wireless expansion module application comprises 4G/5G, WIFI, NB-IOT, zigBee, 433 and WIA-PA, and the interface of the industrial bus expansion module application comprises RS485/RS232, CAN, USB, real-time Ethernet, TSN, PON and artificial intelligent deep learning acceleration;
The artificial intelligent accelerator card has 2 interface forms, namely MiniPCIe and M.2 interfaces respectively, SERDES LANE C is connected with an AI accelerator module, PCIE3.0x2 is required for the highest configuration, PCIE2.0 is required for the lowest configuration, and compatible design is realized on the same MiniPCIe connector.
2. The remote measurement and control terminal with edge computing function according to claim 1, wherein: the system framework applied by the main module comprises an RS485 isolation bus, an I/O interface wired instrument, a ZigBee wireless instrument, a WIFI, a WIA-PA wireless instrument, POE power management, 4G/5G communication, photoelectric industrial Ethernet and safe filtration.
3. The remote measurement and control terminal with edge computing function according to claim 1, wherein: the functional module ports applied by the main module comprise FLASH, eMMC, RAM, POWER, CLK & RTC and LEDs, and the functional module ports applied by the main module are connected with the encryption security chip and WD & RST.
4. The remote measurement and control terminal with edge computing function according to claim 1, wherein: the storage module in the basic system of the main module comprises a memory DDR and internal storage;
the memory DDR structure of the main module is 16-bit data line width and 16-bit address line, and supports three types of memory particles of LPDDR2, DDR3 and DDR 3L;
for LPDDR2, the master module supports single granules of 16-bit and 4-bit data;
For DDR3, the master module supports single granules of 16-bit and 8-bit data;
For DDR3L, the master module supports a single granule of 16 bits of data;
the flash memory interface of the main module supporting internal storage comprises NOR, NAND, eMMC, and a storage chip with a storage architecture of SLC is specifically expanded by adopting a NAND interface to one piece NAND FLASH.
5. The remote measurement and control terminal with edge computing function according to claim 1, wherein: the RGMII0 interface of the CPU is used for connecting the exchange chip so as to realize data transmission between the exchange chip and the CPU, and data forwarding can be realized between the WAN and the LAN port.
6. The remote measurement and control terminal with edge computing function according to claim 1, wherein: the RS485/RS232 structure in the industrial bus expansion module is provided with an industrial serial port, and the mode supports RS232/485 switching.
7. The remote measurement and control terminal with edge computing function according to claim 1, wherein: the 1-path USB interface of the CPU is configured into USB3.0 and is used for connecting m.2G module;
The USB3.0 interface is compatible with USB2.0 interface configuration, is connected to MiniPcie connectors of the 4G module, only one communication module is reserved in the system, and the corresponding module is selected according to actual product matching requirements.
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