CN211702059U - Tramcar energy consumption data acquisition gateway based on Modbus protocol - Google Patents
Tramcar energy consumption data acquisition gateway based on Modbus protocol Download PDFInfo
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- CN211702059U CN211702059U CN202020415680.4U CN202020415680U CN211702059U CN 211702059 U CN211702059 U CN 211702059U CN 202020415680 U CN202020415680 U CN 202020415680U CN 211702059 U CN211702059 U CN 211702059U
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Abstract
The utility model belongs to the technical field of communication system, a tram energy consumption data acquisition gateway based on Modbus agreement, including RS485 communication interface module, ethernet communication interface module, main control chip module, power module, real-time clock module, watchdog timer, the key that resets, RS232 communication interface module, CAN bus interface module, radio signal communication module, Wi-Fi module, through the various collection equipment's of communication interface module collection on-the-spot state information to with state information transmission to main control chip module, main control chip module carries out the operation according to the various collection equipment's of on-the-spot state information of receipt and handles the data information who acquires and send to RS232 communication module CAN bus module radio signal communication module and Wi-Fi module. The gateway can solve the problem of diversification of communication modes and communication protocols between systems, and can meet the requirement of large-scale high-speed concurrent acquisition of tramcar energy consumption data.
Description
Technical Field
The utility model relates to a communication system technical field specifically is a communication equipment who relates to tram energy consumption data acquisition.
Background
With the continuous development of information technology, the industrial communication technology is continuously developing towards the direction of intellectualization and networking, and the demand for interconnection of field control devices and ethernet in industrial production is more and more strong. Taking the tramcar energy consumption management project as an example, the energy consumption metering instrument comprises various protocols, such as ModBus, Meter-Bus, P645 and the like. Under the condition, the data acquisition gateway is particularly important, various different protocols can be converted into TCP/IP protocols through the data acquisition gateway, and the TCP/IP protocols are reported to the energy consumption data center server, so that a data base is provided for energy consumption supervision. At present, a device is needed to solve the problems of diversification of the tramcar energy consumption data supervision communication mode and communication protocol and low efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tram energy consumption data acquisition gateway based on Modbus agreement to solve above-mentioned technical problem.
The utility model adopts the following technical scheme: a tramcar energy consumption data acquisition gateway based on a Modbus protocol comprises an RS485 communication interface module, an Ethernet communication interface module, a main control chip module, a real-time clock module, a watchdog timer, a reset key, an RS232 communication interface module, a CAN bus interface module, a wireless signal communication module and a power supply module;
the signal input ends of the RS485 communication interface module and the Ethernet communication interface module are connected with the energy consumption data signal acquisition equipment of the tramcar, the signal output ends of the RS485 communication interface module and the Ethernet communication interface module are connected with the main control chip module, the main control chip module is connected with the input ends of the real-time clock module, the watchdog timer, the reset key, the RS232 communication interface module, the CAN bus interface module and the wireless signal communication module, the power supply end of the RS485 communication interface module, the power supply end of the Ethernet communication module, the power supply end of the main control chip module, the power supply end of the watchdog timer, the power supply end of the RS232 communication interface module and the power supply end of the CAN bus interface module, the power ends of the wireless signal communication modules are connected to the voltage output end of the power module, and the voltage input end of the power module is connected with working voltage;
the power supply module supplies power to the RS485 communication interface module, the Ethernet communication interface module, the main control chip module, the real-time clock module, the watchdog timer, the RS232 communication interface module, the CAN bus interface module and the wireless signal communication module;
the RS485 communication interface module and the Ethernet communication interface module are used for acquiring the state information of various on-site acquisition devices and transmitting the state information to the main control chip module;
the master control chip module performs operation processing according to the received tramcar energy consumption data acquisition equipment state information and sends data information obtained through operation processing to the RS232 communication interface module, the CAN bus module and the wireless signal communication module;
the real-time clock module provides an accurate time reference for the gateway and reduces the power consumption of the main control chip;
and when the software fails, the watchdog timer resets the singlechip.
The Wi-Fi module is further arranged, the input end of the Wi-Fi module is connected with the main control chip module, and the power supply end of the Wi-Fi module is connected with the voltage output end of the power supply module.
The RS485 communication interface module and the Ethernet communication interface module are in bidirectional connection with the main control chip module through the same data bus.
The RS232 communication interface module, the CAN bus interface module, the wireless signal communication module and the Wi-Fi module are in bidirectional connection with the main control chip module through the same data bus.
The real-time clock module, the watchdog timer and the reset key are in bidirectional connection with the main control chip module through the same data bus.
The wireless signal communication module is a 4G module or a 5G module. The tramcar energy consumption data acquisition equipment is a Modbus interface and a TCP/IP interface.
The utility model has the advantages that: the intelligent wireless acquisition system comprises a communication interface module, a master control chip module, an RS232 communication module, a CAN bus module, a wireless signal communication module and a Wi-Fi module, wherein the communication interface module is used for acquiring the state information of various on-site acquisition devices and transmitting the state information to the master control chip module, and the master control chip module is used for carrying out operation processing according to the received state information of the various on-site acquisition devices and sending the processed and acquired data information to the RS232 communication module, the CAN bus module, the. The gateway aims to solve the problem of diversification of communication modes and communication protocols between heterogeneous systems, and can meet the requirement of large-scale high-speed concurrent acquisition of tramcar energy consumption data.
Drawings
FIG. 1 is a block diagram showing the components and relationships of the present invention;
in the figure: 1. RS485 communication interface module, 2, ethernet communication interface module, 3, main control chip module, 4, power module, 5, real-time clock module, 6, watchdog timer, 7, reset key, 8, RS232 communication interface module, 9, CAN bus interface module, 10, wireless signal communication module, 11, Wi-Fi module.
Detailed Description
Referring to fig. 1, the tramcar energy consumption data acquisition gateway based on the Modbus protocol comprises an RS485 communication interface module 1, an Ethernet communication interface module 2, a main control chip module 3, a power supply module 4, a real-time clock module 5, a watchdog timer 6, a reset key 7, an RS232 communication interface module 8, a CAN bus interface module 9, a wireless signal communication module 10 and a Wi-Fi module 11.
Wherein, the signal input ends of the RS485 communication interface module 1 and the Ethernet communication interface module 2 are connected with various on-site collecting devices, the signal output ends of the RS485 communication interface module 1 and the Ethernet communication interface module 2 are connected with the main control chip module 3, the main control chip module 3 is connected with the input ends of the real-time clock module 5, the watchdog timer 6, the reset key 7, the RS232 communication interface module 8, the CAN bus interface module 9, the wireless signal communication module 10 and the Wi-Fi module 11, the power end of the RS485 communication interface module 1, the power end of the Ethernet communication module 2, the power end of the main control chip module 3, the watchdog timer 6, the power end of the RS232 communication interface module 8 and the power end of the CAN bus interface module 9, the power ends of the wireless signal communication module 10 and the Wi-Fi module 11 are both connected to the voltage output end of the power module 4, the voltage input end of the power supply module 4 is connected with the working voltage. The wireless signal communication module 10 is a 4G module or a 5G module.
Specifically, the power module 4 supplies power to the RS485 communication interface module 1, the ethernet communication interface module 2, the main control chip module 3, the real-time clock module 5, the watchdog timer 6, the RS232 communication interface module 8, the CAN bus interface module 9, the wireless signal communication module 10, and the Wi-Fi module 11; the RS485 communication module 1 and the Ethernet communication module 2 are used for acquiring the state information of various on-site acquisition devices and transmitting the state information to the main control chip module 3; the main control chip module 3 performs operation processing according to the received status information of various on-site acquisition devices, and sends data information obtained through operation processing to the RS232 communication module 8, the CAN bus module 9, the wireless signal communication module 10 and the Wi-Fi module 11.
The RS485 communication interface module 1 and the Ethernet communication interface module 2 are connected with the main control chip module 3 in a bidirectional mode through the same data bus.
The RS232 communication interface module 8, the CAN bus interface module 9, the wireless signal communication module 10 and the Wi-Fi module 11 are in bidirectional connection with the main control chip module 3 through the same data bus.
The real-time clock module 5, the watchdog timer 6 and the reset key 7 are bidirectionally connected with the main control chip module 3 through the same data bus.
The utility model provides a tram energy consumption collection gateway based on Modbus gathers gateway through the all kinds of collection equipment's of communication interface module collection scene state information to with state information transmission to the main control chip module, the main control chip module carries out the operation according to the all kinds of collection equipment's of on-the-spot state information of receipt and handles the data information who acquires and send to RS232 communication module, CAN bus module, radio signal communication module and Wi-Fi module. The gateway can meet the requirement of large-scale high-speed concurrent acquisition of tramcar energy consumption data, and also provides a certain theoretical support for solving the problem of diversification of communication modes and communication protocols between heterogeneous systems.
It should be noted that, in this embodiment, the main control chip module 10 includes a CPU, an ARM and a FLASH chip. Used communication protocol and main control chip procedure etc. all are data transmission among the prior art, the procedure is to the utility model relates to a use of specific scene.
The FLASH chip is connected with the CPU through the SPI interface, and the CPU is connected with the RGMLL interface.
Specifically, the CPU selects a dual-core ARMV8 Cortex-A53 CPU, the model number of the CPU is Marvell88F3700, the highest main frequency of the CPU can reach 1.2GHz, and the CPU supports DDR3 and DDR4 memories.
It should be noted that, in the present embodiment, the power supply module 4 includes a DC/DC power supply unit and an isolated power supply unit. The voltage input end of the DC/DC power supply unit and the voltage input end of the isolation power supply unit jointly form the voltage input end of the power supply module 4, and the voltage output end of the DC/DC power supply unit and the voltage output end of the isolation power supply unit jointly form the voltage output end of the power supply module 4. Specifically, the DC/DC power supply unit is used for supplying power to the ethernet communication interface module 2, the main control chip module 3, the real-time clock module 5, the watchdog timer 6, the wireless signal communication module 10 and the Wi-Fi module 11; the isolation power supply unit supplies power to the RS485 communication interface module 1, the RS232 communication interface module 2 and the CAN bus interface module 9.
Claims (6)
1. The utility model provides a tram energy consumption data acquisition gateway based on Modbus agreement, characterized by: the intelligent control system comprises an RS485 communication interface module, an Ethernet communication interface module, a main control chip module, a real-time clock module, a watchdog timer, a reset key, an RS232 communication interface module, a CAN bus interface module, a wireless signal communication module and a power supply module;
the signal input ends of the RS485 communication interface module and the Ethernet communication interface module are connected with the energy consumption data signal acquisition equipment of the tramcar, the signal output ends of the RS485 communication interface module and the Ethernet communication interface module are connected with the main control chip module, the main control chip module is connected with the input ends of the real-time clock module, the watchdog timer, the reset key, the RS232 communication interface module, the CAN bus interface module and the wireless signal communication module, the power supply end of the RS485 communication interface module, the power supply end of the Ethernet communication module, the power supply end of the main control chip module, the power supply end of the watchdog timer, the power supply end of the RS232 communication interface module and the power supply end of the CAN bus interface module, the power ends of the wireless signal communication modules are connected to the voltage output end of the power module, and the voltage input end of the power module is connected with working voltage;
the power supply module supplies power to the RS485 communication interface module, the Ethernet communication interface module, the main control chip module, the real-time clock module, the watchdog timer, the RS232 communication interface module, the CAN bus interface module and the wireless signal communication module;
the RS485 communication interface module and the Ethernet communication interface module are used for acquiring the state information of various on-site acquisition devices and transmitting the state information to the main control chip module;
the master control chip module performs operation processing according to the received tramcar energy consumption data acquisition equipment state information and sends data information obtained through operation processing to the RS232 communication interface module, the CAN bus module and the wireless signal communication module;
the real-time clock module provides an accurate time reference for the gateway and reduces the power consumption of the main control chip;
and when the software fails, the watchdog timer resets the singlechip.
2. The tramcar energy consumption data acquisition gateway based on the Modbus protocol as claimed in claim 1, wherein: the Wi-Fi module is further arranged, the input end of the Wi-Fi module is connected with the main control chip module, and the power supply end of the Wi-Fi module is connected with the voltage output end of the power supply module.
3. The tramcar energy consumption data acquisition gateway based on the Modbus protocol as claimed in claim 1, wherein: the RS485 communication interface module and the Ethernet communication interface module are in bidirectional connection with the main control chip module through the same data bus.
4. The tramcar energy consumption data acquisition gateway based on the Modbus protocol as claimed in claim 2, wherein: the RS232 communication interface module, the CAN bus interface module, the wireless signal communication module and the Wi-Fi module are in bidirectional connection with the main control chip module through the same data bus.
5. The tramcar energy consumption data acquisition gateway based on the Modbus protocol as claimed in claim 1, wherein: the real-time clock module, the watchdog timer and the reset key are in bidirectional connection with the main control chip module through the same data bus.
6. The tramcar energy consumption data acquisition gateway based on the Modbus protocol as claimed in claim 1, wherein: the wireless signal communication module is a 4G module or a 5G module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020415680.4U CN211702059U (en) | 2020-03-27 | 2020-03-27 | Tramcar energy consumption data acquisition gateway based on Modbus protocol |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020415680.4U CN211702059U (en) | 2020-03-27 | 2020-03-27 | Tramcar energy consumption data acquisition gateway based on Modbus protocol |
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| CN211702059U true CN211702059U (en) | 2020-10-16 |
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| CN202020415680.4U Active CN211702059U (en) | 2020-03-27 | 2020-03-27 | Tramcar energy consumption data acquisition gateway based on Modbus protocol |
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