CN110933651A - Transparent networking equipment based on NB-IOT and Modbus protocol - Google Patents
Transparent networking equipment based on NB-IOT and Modbus protocol Download PDFInfo
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- CN110933651A CN110933651A CN201911247685.9A CN201911247685A CN110933651A CN 110933651 A CN110933651 A CN 110933651A CN 201911247685 A CN201911247685 A CN 201911247685A CN 110933651 A CN110933651 A CN 110933651A
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- 238000004891 communication Methods 0.000 claims abstract description 70
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- 238000010276 construction Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000004806 packaging method and process Methods 0.000 claims description 2
- 238000011084 recovery Methods 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000001413 cellular effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Telephonic Communication Services (AREA)
Abstract
The invention discloses a transparent networking device based on NB-IOT and Modbus protocols, which relates to the field of electromechanical device control and comprises an STM32RCT6 processor unit, an NB-IOT communication module, an internal storage unit, an RS485 chip, an RS232 chip and a W5500 network chip based on a TCP communication mode, wherein the whole terminal device consists of an STM32RCT6 processor unit, an NB-IOT communication module, an RS485 chip, an RS232 chip and a W5500 network chip based on a TCP communication mode, high-efficiency Modbus data transmission under a low-power consumption NB-IOT communication module network is realized, quick networking can be realized between an upper computer and electromechanical devices, and the STM32RCT6 processor unit receives signals of the NB-IOT communication module. According to the invention, the STM32RCT6 processor unit, the NB-IOT communication module, the internal storage unit, the RS485 chip, the RS232 chip and the W5500 network chip based on the TCP communication mode are arranged, so that the narrow-band Internet of things NB-IOT based on the honeycomb can conveniently and effectively realize the monitoring of field equipment.
Description
Technical Field
The invention relates to the technical field of electromechanical equipment control, in particular to transparent networking equipment based on NB-IOT and Modbus protocols.
Background
With the development of networks, with the coming of smart cities and big data times, wireless communication can realize connection of everything. The mobile communication is moving from the connection of people and people to the connection of people and objects and the connection of objects and objects, the interconnection of all things is a necessary trend, however, the current 4G network has insufficient capacity on the connection of objects and objects, but the narrowband Internet of things NB-IOT based on the honeycomb becomes an important branch of the interconnection of all things, the NB-IOT supports long standby time, and the efficient connection of equipment with higher requirements on network connection can provide very comprehensive indoor cellular data connection coverage.
The mobile cellular network reduces deployment cost, realizes smooth upgrade, has the characteristics of wide coverage, more connections, low speed, low cost, low power consumption, excellent architecture, mobility, large connection number and the like, can bring richer application scenes, and is supposed to become a main connection technology of the Internet of things.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides transparent networking equipment based on NB-IOT and Modbus protocols, and by utilizing the characteristics of wide coverage, more connections, low speed, low cost and easiness in deployment and maintenance of the NB-IOT and Modbus protocols, the function of monitoring field equipment is conveniently and effectively realized by using the narrow-band Internet of things NB-IOT based on honeycomb with lower cost under the condition that the capacity of the current 4G network on the object-to-object connection is insufficient.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a transparent networking device based on NB-IOT and Modbus protocols comprises an STM32RCT6 processor unit, an NB-IOT communication module, an internal storage unit, an RS485 chip, an RS232 chip and a W5500 network chip based on a TCP communication mode, wherein the whole terminal device consists of five parts, namely an STM32RCT6 processor unit, an NB-IOT communication module, an RS485 chip, an RS232 chip and a W5500 network chip based on the TCP communication mode, high-efficiency Modbus data transmission under a low-power-consumption NB-IOT communication module network is realized, quick networking can be realized between an upper computer and electromechanical equipment, the STM32RCT6 processor unit receives signals of the NB-IOT communication module, the STM32RCT6 processor unit sends signals to the NB-IOT communication module, unprocessed data in the NB-IOT communication module are stored in the internal storage unit and are processed by the STM32RCT6 processor unit, and the STM32RCT6 processor unit transmits the RS 550485 chip to the RS 5500 network chip through packaging, RS232 chip and W5500 network chip based on TCP communication mode, and RS485 chip, RS232 chip and the W5500 network chip based on TCP communication mode transmit STM32RCT6 processor unit through the decapsulation, STM32RCT6 processor unit is by the whole power supply of power supply control unit, and power supply control unit passes through external power source power supply, and power supply control unit realizes the power supply function of chargeable inside battery to the power supply control unit power supply when the outage to chargeable inside battery.
Preferably, the external power supply supports 220V alternating current, construction and installation are convenient, rechargeable internal batteries are used for supplying power in daily work, when the electric quantity of the rechargeable internal batteries is reduced to 30%, the power supply control unit charges the rechargeable internal batteries independently, when the electric quantity is recovered to 100%, the battery power supply mode is recovered independently, and when the rechargeable internal batteries are not installed, the external power supply is switched to the alternating current power supply mode of the external power supply independently.
Preferably, the NB-IOT communication module is responsible for NB-IOT communication, supports mobile, telecommunication, and all-internet communication, is provided with an independent single chip module, and is independently responsible for encryption and decryption control of data transmission in the internet, and when the internet transmission is blocked, automatically stores unprocessed data packets in the internal storage unit, thereby ensuring that each data packet can be correctly processed, and the module has functions of remote wakeup and local wakeup, and supports an internal antenna or an external antenna.
Preferably, the internal storage unit is responsible for storing network communication data packets, storing basic parameters of the equipment and controlling logic of the local electromechanical equipment, and the controlling logic comprises timing on/off, timing adjustment parameters and automatic adjustment parameters.
Preferably, the STM32RCT6 processor unit is responsible for converting NB-IOT transport layer data packets and Modbus packets required by the electromechanical device, and after receiving the decryption control packet of the NB-IOT module, the unit converts the decryption control packet into Modbus instructions required by the electromechanical device according to the protocol rules, and after receiving the electromechanical device Modbus execution result set, continues to convert into data packets required by the corresponding NB-IOT network layer according to the protocol rules.
Preferably, the electromechanical device supports an RS485 chip, an RS232 chip and a W5500 network chip based on a TCP communication mode, 3 paths of RS485 chips, 1 path of RS232 chips and 1 path of TCP are built in the electromechanical device, and the monitored electromechanical device is directly connected with the electromechanical device through a communication line.
(III) advantageous effects
The invention provides transparent networking equipment based on NB-IOT and Modbus protocols, which has the following beneficial effects:
by arranging an STM32RCT6 processor unit, an NB-IOT communication module, an internal storage unit, an RS485 chip, an RS232 chip and a W5500 network chip based on a TCP communication mode, transparent networking equipment based on a Modbus protocol is respectively arranged at two ends of electromechanical equipment and an upper computer, is connected through a communication line and is connected through special configuration software, the communication mode with the upper computer and the controlled electromechanical equipment is configured on the equipment, all the equipment can be automatically reported to the cloud center and intelligently networked in the cloud center, for the upper computer, corresponding software can be configured according to the traditional wired transmission, three protocols of RS485/RS232/TCP are supported to be simultaneously on the network, a special networking communication protocol adopts a non-standard 64-system for compression, the bearing capacity between networks is improved, therefore, the narrow-band Internet of things NB-IOT based on the honeycomb can conveniently and effectively realize the monitoring of the field equipment.
Drawings
FIG. 1 is a schematic block diagram of the system of the present invention;
FIG. 2 is a schematic diagram of transparent networking based on a Modbus protocol according to the present invention.
In the figure: 1. an STM32RCT6 processor element; 2. an NB-IOT communication module; 3. an internal storage unit; 4. an RS485 chip; 5. an RS232 chip; 6. w5500 network chip; 7. a power supply control unit; 8. an external power supply; 9. the internal battery may be charged.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-2, the present invention provides a technical solution: a transparent networking device based on NB-IOT and Modbus protocols comprises an STM32RCT6 processor unit 1, an NB-IOT communication module 2, an internal storage unit 3, an RS485 chip 4, an RS232 chip 5 and a W5500 network chip 6 based on a TCP communication mode, the whole terminal device is composed of five parts of an STM32RCT6 processor unit 1, an NB-IOT communication module 2, an RS485 chip 4, an RS232 chip 5 and a W5500 network chip 6 based on the TCP communication mode, high-efficiency Modbus data transmission under a low-power consumption-IOT communication module 2 network is realized, rapid networking can be realized between an upper computer and electromechanical equipment, the STM32RCT6 processor unit 1 receives signals of the NB-IOT communication module 2, the STM32RCT6 processor unit 1 sends signals to the NB-IOT communication module 2, unprocessed data in the NB-IOT communication module 2 is stored in the internal storage unit 3 and is processed by the STM32RCT6 processor unit 1, STM32RCT6 processor unit 1 transmits to RS485 chip 4, RS232 chip 5 and W5500 network chip 6 based on TCP communication mode through the encapsulation, and RS485 chip 4, RS232 chip 5 and W5500 network chip 6 based on TCP communication mode transmit STM32RCT6 processor unit 1 through the decapsulation, STM32RCT6 processor unit 1 is by the whole power supply of power supply control unit 7, and power supply control unit 7 supplies power through external power source 8, power supply control unit 7 charges to chargeable internal battery 9 and realizes the power supply function that chargeable internal battery 9 supplies power to power supply control unit 7 when the outage, special networking communication protocol adopts non-standard 64 scale to compress, improve the bearing capacity between the network, specific protocol format is as follows:
as a technical optimization scheme of the invention, the external power supply 8 supports 220V alternating current, construction and installation are convenient, the rechargeable internal battery 9 is adopted for power supply in daily work, when the electric quantity of the rechargeable internal battery 9 is reduced to 30%, the power supply control unit 7 autonomously charges the rechargeable internal battery 9, when the electric quantity is recovered to 100%, the battery power supply mode is autonomously recovered, and when the rechargeable internal battery 9 is not installed, the alternating current power supply mode of the external power supply 8 is autonomously switched.
As a technical optimization scheme of the invention, the NB-IOT communication module 2 is responsible for NB-IOT communication and supports mobile, telecommunication and communication whole network communication, an independent single chip microcomputer module is arranged in the NB-IOT communication module and is independently responsible for encryption and decryption control of transmission data in a network, when network transmission is blocked, unprocessed data packets are automatically stored in the internal storage unit 3 to ensure that each data packet can be correctly processed, and the NB-IOT communication module has the functions of remote awakening and local awakening and supports an internal antenna or an external antenna.
As a technical optimization scheme of the invention, the internal storage unit 3 is responsible for storing network communication data packets, storing basic parameters of equipment and controlling logic of local electromechanical equipment, wherein the controlling logic comprises timing on-off, timing adjustment parameters and automatic adjustment parameters.
As a technical optimization scheme of the invention, the STM32RCT6 processor unit 1 is responsible for the conversion of NB-IOT transport layer data packets and Modbus packets required by electromechanical devices, converts the NB-IOT transport layer data packets into Modbus instructions required by the electromechanical devices according to protocol rules after receiving decryption control packets of the NB-IOT module, and continues to convert the Modbus instructions into data packets required by corresponding NB-IOT network layers according to the protocol rules after receiving an electromechanical device Modbus execution result set.
As a technical optimization scheme of the invention, the electromechanical device supports an RS485 chip 4, an RS232 chip 5 and a W5500 network chip 6 based on a TCP communication mode, 3 paths of RS485 chips 4, 1 path of RS232 chips 5 and 1 path of TCP are arranged in the electromechanical device, and the monitored electromechanical device is directly connected with the electromechanical device through a communication line.
In conclusion, the STM32RCT6 processor unit 1, the NB-IOT communication module 2, the internal storage unit 3, the RS485 chip 4, the RS232 chip 5 and the W5500 network chip 6 based on the TCP communication mode are arranged, so that the narrow-band Internet of things NB-IOT based on the honeycomb can conveniently and effectively realize the monitoring of the field equipment.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a transparent networking device based on NB-IOT and Modbus agreement, includes STM32RCT6 processor element (1), NB-IOT communication module (2), internal storage unit (3), RS485 chip (4), RS232 chip (5) and based on the W5500 network chip (6) of TCP communication mode, its characterized in that: the whole terminal equipment consists of an STM32RCT6 processor unit (1), an NB-IOT communication module (2), an RS485 chip (4), an RS232 chip (5) and a W5500 network chip (6) based on a TCP communication mode, high-efficiency Modbus data transmission under a low-power consumption NB-IOT communication module (2) network is realized, and rapid networking can be realized between an upper computer and electromechanical equipment, the STM32RCT6 processor unit (1) receives signals of the NB-IOT communication module (2), the STM32RCT6 processor unit (1) sends signals to the NB-IOT communication module (2), unprocessed data in the NB-IOT communication module (2) is stored in an internal storage unit (3) and processed by an STM32RCT6 processor unit (1), and the STM32RCT6 processor unit (1) is transmitted to the RS485 chip (4), the RS232 chip (5) and the W5500 chip (6) based on the TCP communication mode through packaging, and RS485 chip (4), RS232 chip (5) and based on TCP communication mode W5500 network chip (6) transmit STM32RCT6 processor unit (1) through the decapsulation, STM32RCT6 processor unit (1) is by the whole power supply of power supply control unit (7), and power supply control unit (7) supply power through external power source (8), and power supply control unit (7) charge rechargeable internal battery (9) and realize the power supply function of rechargeable internal battery (9) to power supply control unit (7) power supply when the outage.
2. The NB-IOT and Modbus protocol-based transparent networking device of claim 1, wherein: the external power supply (8) supports 220V alternating current, construction and installation are convenient, the rechargeable internal battery (9) is adopted for supplying power in daily work, when the electric quantity of the rechargeable internal battery (9) is reduced to 30%, the power supply control unit (7) charges the rechargeable internal battery (9) independently, when the electric quantity is recovered to 100% of the power supply mode of the self-recovery battery, and when the rechargeable internal battery (9) is not installed, the power supply control unit is switched to the alternating current power supply mode of the external power supply (8) independently.
3. The NB-IOT and Modbus protocol-based transparent networking device of claim 1, wherein: the NB-IOT communication module (2) is responsible for NB-IOT communication, supports mobile, telecommunication and communication whole network communication, is internally provided with an independent single chip microcomputer module, is independently responsible for encryption and decryption control of transmission data in a network, automatically stores unprocessed data packets in an internal storage unit (3) when network transmission is blocked, ensures that each data packet can be correctly processed, has the functions of remote awakening and local awakening, and supports an internal antenna or an external antenna.
4. The NB-IOT and Modbus protocol-based transparent networking device of claim 1, wherein: the internal storage unit (3) is responsible for storing network communication data packets, storing basic parameters of equipment and controlling logic of local electromechanical equipment, wherein the controlling logic comprises timing on-off, timing adjusting parameters and automatic adjusting parameters.
5. The NB-IOT and Modbus protocol-based transparent networking device of claim 1, wherein: the STM32RCT6 processor unit (1) is responsible for the conversion of NB-IOT transmission layer data packets and Modbus packets required by the electromechanical device, converts the decryption control packets of the NB-IOT module into Modbus instructions required by the electromechanical device according to the protocol rules after receiving the decryption control packets of the NB-IOT module, and continues to convert the Modbus instructions into data packets required by the corresponding NB-IOT network layer according to the protocol rules after receiving the Modbus execution result set of the electromechanical device.
6. The NB-IOT and Modbus protocol-based transparent networking device of claim 1, wherein: the electromechanical device supports an RS485 chip (4), an RS232 chip (5) and a W5500 network chip (6) based on a TCP communication mode, 3 paths of RS485 chips (4), 1 path of RS232 chips (5) and 1 path of TCP are arranged in the electromechanical device, and the monitored electromechanical device is directly connected with the electromechanical device through a communication line.
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| CN201911247685.9A CN110933651A (en) | 2019-12-09 | 2019-12-09 | Transparent networking equipment based on NB-IOT and Modbus protocol |
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| CN201911247685.9A CN110933651A (en) | 2019-12-09 | 2019-12-09 | Transparent networking equipment based on NB-IOT and Modbus protocol |
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2019
- 2019-12-09 CN CN201911247685.9A patent/CN110933651A/en active Pending
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| CN107465608A (en) * | 2017-08-17 | 2017-12-12 | 浙江比弦物联科技有限公司 | Internet of Things Multifunctional gateway based on NB IoT |
| CN207218672U (en) * | 2017-09-10 | 2018-04-10 | 福建强闽信息科技有限公司 | A kind of UART communications extension NB IOT new device |
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| CN208044844U (en) * | 2018-04-25 | 2018-11-02 | 山东泰开能源工程技术有限公司 | A kind of intelligent photovoltaic data collection station |
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Application publication date: 20200327 |