CN212965809U - Data transmission system based on 4G signal - Google Patents
Data transmission system based on 4G signal Download PDFInfo
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- CN212965809U CN212965809U CN202022133315.7U CN202022133315U CN212965809U CN 212965809 U CN212965809 U CN 212965809U CN 202022133315 U CN202022133315 U CN 202022133315U CN 212965809 U CN212965809 U CN 212965809U
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Abstract
The utility model relates to a data transmission system based on 4G signal, including MCU host system, first and second communication interface and the system power module that is used for supplying power to each module, the one end of first and second communication interface respectively with subordinate's equipment both way junction, the other end of first and second communication interface respectively with level conversion module both way junction, level conversion module with MCU host system both way junction, MCU host system respectively with dispose storage module and 4G communication module both way junction, 4G communication module and server both way junction; and the MCU master control module sends the data of the server to lower-level equipment through the first communication interface and/or the second communication interface, and sends the data from the first communication interface and/or the second communication interface to the server through the 4G communication module. The utility model discloses can effectively realize the data interaction function.
Description
Technical Field
The utility model relates to a data transmission technical field especially relates to a data transmission system based on 4G signal.
Background
At present, due to the reasons that some conventional industrial devices are installed earlier and have a long service life, the networking function of the existing lower-level industrial devices is relatively weak, and data communication of the lower-level devices is difficult to transmit to a designated data center, so that data monitoring or data interaction of the lower-level devices is extremely difficult, and a reliable solution is needed to enable the lower-level devices and a server (data center) to have a transparent data interaction function, so that monitoring or data forwarding of the devices is completed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a data transmission system based on 4G signal is provided, can realize the data interaction function of server and subordinate's equipment, accomplish the control or the data forwarding to subordinate's equipment.
The utility model provides a technical scheme that its technical problem adopted is: the data transmission system based on the 4G signals comprises an MCU (microprogrammed control unit) main control module, a first communication interface, a second communication interface and a system power supply module, wherein one end of the first communication interface and one end of the second communication interface are respectively and bidirectionally connected with subordinate equipment, the other ends of the first communication interface and the second communication interface are respectively and bidirectionally connected with a level conversion module, the level conversion module is bidirectionally connected with the MCU main control module, the MCU main control module is bidirectionally connected with a configuration storage module, the MCU main control module is bidirectionally connected with the 4G communication module, the 4G communication module is bidirectionally connected with a server, and the system power supply module is used for supplying power to the MCU main control module, the level conversion module, the configuration storage module and the 4G communication module; and the MCU master control module sends the data of the server to lower-level equipment through the first communication interface and/or the second communication interface, and sends the data from the first communication interface and/or the second communication interface to the server through the 4G communication module.
The first communication interface is an RS485 communication interface, and the second communication interface is an RS232 communication interface.
The storage medium in the configuration storage module is an EEPROM, and the EEPROM is used for storing the communication parameters of the 4G communication module, the server, the first communication interface and the second communication interface.
And the MCU master control module is communicated with the 4G communication module through a serial communication interface.
The MCU main control module is communicated with the level conversion module through two serial communication interfaces.
The MCU master control module is communicated with the configuration storage module through an IIC interface.
And the 4G communication module and the server carry out data interaction through an MQTT protocol.
Advantageous effects
Since the technical scheme is used, compared with the prior art, the utility model, have following advantage and positive effect: the utility model provides a data transmission system based on 4G signal can realize the remote data interaction of server and subordinate equipment to can carry out communication parameter setting come the subordinate equipment of adaptation different types, this data transmission system network deployment is nimble, convenient and stable, and the system supports RS485 communication interface and RS232 communication interface to be connected with subordinate equipment simultaneously; the utility model discloses based on 4G network full network supports, not only can the different subordinate's equipment of adaptation type, can also realize the quick transmission of data.
Drawings
Fig. 1 is a schematic diagram of a system structure according to an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
The embodiment of the utility model relates to a data transmission system based on 4G signals, as shown in figure 1, which is a system structure schematic diagram of the embodiment of the utility model, comprising an MCU main control module, a first communication interface, a second communication interface and a system power supply module, one end of the first communication interface and one end of the second communication interface are respectively connected with lower-level equipment in a bidirectional way, the other ends of the first communication interface and the second communication interface are respectively connected with the level conversion module in a bidirectional way, the level conversion module is bidirectionally connected with the MCU master control module, the MCU master control module is bidirectionally connected with the configuration storage module, the MCU main control module is bidirectionally connected with the 4G communication module, the 4G communication module is bidirectionally connected with a server (data center), the system power supply module is used for supplying power to the MCU main control module, the level conversion module, the configuration storage module and the 4G communication module; and the MCU master control module sends the data of the server to lower-level equipment through the first communication interface and/or the second communication interface, and sends the data from the first communication interface and/or the second communication interface to the server through the 4G communication module.
Further, the first communication interface is an RS485 communication interface, the second communication interface is an RS232 communication interface, and the transmission system of the embodiment simultaneously supports connection of the RS485 communication interface and the RS232 communication interface with the subordinate devices, and adapts to the subordinate devices with more quantity and wider variety by configuring communication parameters, so that networking is flexible, convenient and stable.
Further, the storage medium in the configuration storage module is an EEPROM, and the EEPROM is used for storing the communication parameters of the 4G communication module, the server, the first communication interface, and the second communication interface.
Furthermore, the MCU master control module is communicated with the 4G communication module through a serial communication interface, and can configure the working mode and working related parameters of the 4G communication module through the serial communication interface and can also perform actual data interaction with the 4G communication module; the MCU master control module is communicated with the level conversion module through two serial communication interfaces, and the level signals of the two serial communication interfaces are converted into signals suitable for an RS485 standard and an RS232 standard respectively after passing through the level conversion module; the MCU master control module is communicated with the configuration storage module through an IIC interface; the 4G communication module and the server carry out data interaction through an MQTT protocol, the server transmits data to be forwarded to the MCU main control module through an MQTT package and the 4G communication module, and the MCU main control module analyzes the data and completes data forwarding or corresponding parameter configuration according to an actual analysis result.
In actual work, when the system is started, the MCU main control module reads the configuration parameters of the first communication interface and the second communication interface through the storage configuration module, then performs corresponding configuration on the 4G communication module according to the configuration parameters to enable the 4G communication module to be capable of accessing to the network correctly, then uses the MQTT protocol to be connected and communicated with a server (data center) through the 4G communication module, when the MQTT communication is successful, the data transmission system enters a normal working state, and in the normal working state, the MCU main control module sends the data from the 4G communication module to the first communication interface or the second communication interface and sends the data from the first communication interface or the second communication interface to the server connected with the 4G communication module, so that transparent data transmission is realized.
Further, the present embodiment may also configure communication parameters of the system, specifically: when the system is started, the RS485 communication interface is connected with an upper computer to set the configuration information stored by the storage configuration module, namely, the 4G communication module (various communication parameters of the MQTT protocol), the address and the port of the server, and the communication parameters of the first communication interface and the second communication interface (namely, the communication interface connected with lower-level equipment) are configured, and the communication parameters of the system can be remotely modified when the system works. The system in the embodiment also has an online upgrading function, and firmware updating is facilitated.
Therefore, the utility model provides a data transmission system based on 4G signal can carry out transparent remote data interaction with subordinate's equipment, accomplishes the control or the data forwarding to subordinate's equipment to can carry out communication parameter setting.
Claims (7)
1. A data transmission system based on 4G signals is characterized by comprising an MCU (microprogrammed control unit) main control module, a first communication interface, a second communication interface and a system power supply module, wherein one end of the first communication interface and one end of the second communication interface are respectively and bidirectionally connected with subordinate equipment, the other ends of the first communication interface and the second communication interface are respectively and bidirectionally connected with a level conversion module, the level conversion module is bidirectionally connected with the MCU main control module, the MCU main control module is bidirectionally connected with a configuration storage module, the MCU main control module is bidirectionally connected with the 4G communication module, the 4G communication module is bidirectionally connected with a server, and the system power supply module is used for supplying power to the MCU main control module, the level conversion module, the configuration storage module and the 4G communication module; and the MCU master control module sends the data of the server to lower-level equipment through the first communication interface and/or the second communication interface, and sends the data from the first communication interface and/or the second communication interface to the server through the 4G communication module.
2. The 4G-signal-based data transmission system according to claim 1, wherein the first communication interface is an RS485 communication interface, and the second communication interface is an RS232 communication interface.
3. The 4G-signal-based data transmission system according to claim 1, wherein the storage medium in the configuration storage module is an EEPROM, and the EEPROM is used for storing the communication parameters of the 4G communication module, the server, the first communication interface and the second communication interface.
4. The 4G signal-based data transmission system according to claim 1, wherein the MCU master control module communicates with the 4G communication module through a serial communication interface.
5. The 4G signal-based data transmission system according to claim 1, wherein the MCU master control module communicates with the level shift module through two serial communication interfaces.
6. The 4G signal-based data transmission system according to claim 1, wherein the MCU master control module communicates with the configuration storage module through an IIC interface.
7. The 4G signal-based data transmission system according to claim 1, wherein the 4G communication module and the server perform data interaction through MQTT protocol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022133315.7U CN212965809U (en) | 2020-09-25 | 2020-09-25 | Data transmission system based on 4G signal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022133315.7U CN212965809U (en) | 2020-09-25 | 2020-09-25 | Data transmission system based on 4G signal |
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| CN212965809U true CN212965809U (en) | 2021-04-13 |
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| CN202022133315.7U Active CN212965809U (en) | 2020-09-25 | 2020-09-25 | Data transmission system based on 4G signal |
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