A communication device supporting a multi-station type

Abstract

The application discloses a kind of communication equipment supporting multi-station type, including being set in the main control module of shell, signal conversion module, power management module, isolated power module and being set in the front side of shell Communication indicator light, power indicator light, RS232 interface, RS485 interface, Type-C interface, reserved interface, SIM / Internet of Things card interface and DC 12V power switch;Each interface is integrated on main control module, RS232 interface and RS485 interface are connected with signal conversion module, and the communication equipment integrates RS232, RS485, Type-C, SIM card and multiple interfaces, such as card, can simultaneously connect and convert multiple devices, meet the access needs of complex system.Isolated power module and interface shielding layer terminal double measures are used to ensure the stable operation of communication equipment in harsh industrial environment.The setting of Type-C interface greatly improves the applicability and ease of use of the equipment.

Description

TECHNICAL FIELD

[0001] The utility model relates to meteorological monitoring equipment technical field especially relates to a support many station type's communication equipment. BACKGROUND

[0002] In recent years, under the coordinated promotion of multiple departments such as meteorology, water conservancy, agriculture, forestry, transportation and energy, more than 2000 meteorological monitoring sites covering various professional fields have been built in the whole region, and a comprehensive observation network system has been initially formed. However, due to the differences in historical construction stage and the special nature of industry application scene, the automatic weather stations used by various industries involve dozens of types at home and abroad, and the data acquisition protocols and communication protocols differ significantly; professional data such as agricultural soil condition monitoring, traffic road weather, photovoltaic power plant microclimate are independently stored, and the format specifications are incompatible; the existing system cannot realize real-time data aggregation across departments, resulting in delayed response to disaster weather joint prevention and control. Single device usually only supports RS232 or RS485 single protocol, cannot process heterogeneous device data in parallel, has weak anti-interference ability, and unisolated power supply topology is easy to cause interface surge damage; lack of scalability, lack of standardized interface configuration, difficult to adapt to different scene station type requirements of agriculture, transportation and other industries. SUMMARY

[0003] The purpose of the present application is to provide a communication equipment supporting multiple station types to solve the problem that traditional single device cannot realize protocol compatibility, electrical isolation and scene adaptation.

[0004] To solve the above technical problems, the present application provides a communication equipment supporting multiple station types, in addition to including a shell, further comprising: a main control module, a signal conversion module, a power management module, an isolation power module arranged in the shell, and a communication indicator light, a power indicator light, an RS232 interface, an RS485 interface, a Type-C interface, a reserved interface, a SIM / Internet of Things card interface and a DC 12V power switch arranged on the front side of the shell; The RS232 interface, the RS485 interface, the Type-C interface, the reserved interface and the SIM / Internet of Things card interface are integrated on the main control module, the RS232 interface and the RS485 interface are connected with the signal conversion module, the signal conversion module, the power management module and the input end of the main control module are connected, and the isolation power module is connected with the main control module through the power management module.

[0005] As a preferred embodiment, a communication equipment supporting multiple station types, the main control module is an STM32H743 microcontroller; The signal conversion module is a MAX3490 conversion chip; the isolated power supply module is a B0505S isolated DC-DC module.

[0006] The solution requires detailed explanation of a multi-station supporting communication device, which also includes: A terminating resistor configuration module connected to the signal conversion module has jumper caps at both ends, and the connection or disconnection of the terminating resistor configuration module is controlled by inserting or removing the jumper caps.

[0007] The solution requires detailed explanation of a multi-station communication device, wherein shielded terminal blocks are provided at the locations of the RS232 and RS485 interfaces on the casing.

[0008] The solution requires further elaboration, including a multi-station supporting communication device that also includes: A storage module connected to the STM32H743 microcontroller is used to store various communication protocols corresponding to the RS232 interface and the RS485 interface.

[0009] Compared with existing technologies, this utility model provides a multi-station communication device, which, in addition to a housing, includes a main control module, a signal conversion module, a power management module, an isolated power supply module, and communication indicator lights, power indicator lights, RS232 interface, RS485 interface, Type-C interface, reserved interface, SIM / IoT card interface, and a DC 12V power switch located on the front side of the housing. The RS232, RS485, Type-C, reserved, and SIM / IoT card interfaces are all integrated on the main control module. The RS232 and RS485 interfaces are connected to the signal conversion module. The signal conversion module and power management module are connected to the input terminals of the main control module. The isolated power supply module is connected to the main control module through the power management module. This communication device integrates multiple interfaces such as RS232, RS485, Type-C, and SIM card, allowing simultaneous connection and conversion of multiple devices to meet the access requirements of complex systems. The use of an isolated power supply module design and interface shielding terminal blocks ensures stable operation of the communication device in harsh industrial environments. The terminating resistor configuration module can be flexibly configured via jumper caps, and the storage module has multiple built-in protocols that can be switched via relevant program commands; the Type-C interface greatly improves the applicability and ease of use of the device. Attached Figure Description

[0010] In order to make the technical scheme of the present application clearer, the following will briefly introduce the drawings needed in the embodiments. Obviously, for those skilled in the art, other drawings can also be obtained without creative effort based on these drawings.

[0011] Figure 1 A front side structure schematic diagram of a communication equipment supporting multi-station type provided by the embodiment of the present application is shown in the figure. Figure 2 A front side structure schematic diagram of a communication equipment supporting multi-station type provided by the embodiment of the present application is shown in the figure. In the figure: 1, a shell; 2, a main control module; 3, a signal conversion module; 4, a power management module; 5, an isolation power supply module; 101, a communication indicator light; 102, a power indicator light; 103, an RS232 interface; 104, an RS485 interface; 105, a Type-C interface; 106, a reserved interface; 107, a SIM / Internet of Things card interface; 108, a DC 12V power switch; 6, a terminal resistance configuration module; 7, a jumper cap; 8, a shielding layer wiring terminal; 9, a storage module. DETAILED DESCRIPTION

[0012] In order to make the technical scheme of the present application clearer, the following will briefly introduce the drawings needed in the embodiments. Obviously, for those skilled in the art, other drawings can also be obtained without creative effort based on these drawings.

[0013] The core of the present application is to provide a communication equipment supporting multi-station type, which solves the problem that the traditional single equipment cannot realize protocol compatibility, electrical isolation and scene adaptation.

[0014] Figure 1 A front side structure schematic diagram of a communication equipment supporting multi-station type provided by the embodiment of the present application is shown in the figure, Figure 2 A front side structure schematic diagram of a communication equipment supporting multi-station type provided by the embodiment of the present application is shown in the figure, Figures 1 to 2 as shown.

[0015] Embodiment 1 A communication equipment supporting multi-station type, comprising a shell 1, further comprising a main control module 2, a signal conversion module 3, a power management module 4, an isolation power supply module 5 arranged in the shell 1, and a communication indicator light 101, a power indicator light 102, an RS232 interface 103, an RS485 interface 104, a Type-C interface 105, a reserved interface 106, a SIM / Internet of Things card interface 107 and a DC 12V power switch 108 arranged on the front side of the shell 1; all the communication interfaces are arranged on the front side of the shell 1, which is convenient for field wiring and observation.

[0016] RS232 interface 103, RS485 interface 104, Type-C interface 105, reserved interface 106 and SIM / Internet of Things card interface 107 are integrated on the main control module 2, RS232 interface 103 and RS485 interface 104 are connected with the signal conversion module 3, the signal conversion module 3, the power management module 4 and the input end of the main control module 2 are connected, the isolation power module 5 is connected with the main control module 2 through the power management module 4. The main control module 2 is responsible for coordinating the communication protocol processing, data exchange and device control logic of all interfaces; the signal conversion module 3 is used for converting analog signals of various stations into digital signals, the isolation power module 5 is used for converting voltage levels, such as converting AC 220V into DC 24V, or converting DC 24V into isolated DC 12V / 5V, blocking external interference and dangerous voltage outside the system. And the power management module 4 is responsible for accurate redistribution and fine control of the power supply to meet the various power needs of different chips and circuit units in the system. Through the cooperation of the isolation power module 5 and the power management module 4, the isolation and management functions are separated, making the design clearer.

[0017] Embodiment 2 On the basis of embodiment 1, a communication device supporting multiple stations, the main control module 2 is an STM32H743 microcontroller; the STM32H743 microcontroller adopts a high-performance core, has high running frequency and rich resources, and is sufficient to process complex multi-protocol communication tasks.

[0018] The signal conversion module 3 is a MAX3490 conversion chip, responsible for bidirectional conversion between the physical layer signals of RS232 interface 103 and RS485 interface 104 and the TTL level signals of the main control module 2; the isolation power module 5 is a B0505S isolation DC-DC module.

[0019] On the basis of embodiment 2, a communication device supporting multiple stations further comprises: A terminal resistance configuration module 6 connected with the signal conversion module 3, the terminal resistance configuration module 6 is provided with a jumper cap 7 at both ends, and the terminal resistance configuration module 6 is connected or disconnected through plugging and unplugging of the jumper cap 7. Through the terminal resistance configuration module 6, it can ensure that the signal propagates completely and without distortion in the transmission line, and prevent communication errors caused by reflection. In actual use, users can conveniently connect or disconnect the terminal resistance configuration module 6 by plugging and unplugging the jumper cap 7 to adapt to different network topology requirements of terminal nodes or intermediate nodes.

[0020] Based on the embodiment 2, a communication equipment supporting multi-station type is provided with shielded terminal 8 at the position where RS232 interface 103 and RS485 interface 104 are located on the shell 1. The shielded terminal 8 provides a low-impedance and high-reliability grounding path for the shield layer of the cable, thereby effectively suppressing electromagnetic interference and radio frequency interference, while ensuring safety and signal integrity.

[0021] Based on the embodiment 2, a communication equipment supporting multi-station type is provided with shielded terminal 8 at the position where RS232 interface 103 and RS485 interface 104 are located on the shell 1. The shielded terminal 8 provides a low-impedance and high-reliability grounding path for the shield layer of the cable, thereby effectively suppressing electromagnetic interference and radio frequency interference, while ensuring safety and signal integrity. A storage module 9 connected with the STM32H743 microcontroller, the storage module 9 is used for storing a plurality of communication protocols corresponding to the RS232 interface 103 and the RS485 interface 104. The user can select the required protocol through the instruction, so that the equipment can adapt to different application scenarios without changing the hardware.

[0022] The utility model provides a kind of communication equipment supporting multi-station type, in addition to including shell 1, it further includes the main control module 2 being arranged in shell 1, signal conversion module 3, power management module 4, isolated power module 5 and setting in the front side of shell 1 communication indicator light, power indicator light, RS232 interface, RS485 interface, Type-C interface, reserved interface, SIM / Internet of Things card interface and DC 12V power switch;RS232 interface, RS485 interface, Type-C interface, reserved interface and SIM / Internet of Things card interface are integrated on main control module 2, RS232 interface and RS485 interface are connected with signal conversion module 3, signal conversion module 3, power management module 4 are connected with the input end of main control module 2, isolated power module 5 is connected with main control module 2 by power management module 4.This communication equipment integrates RS232, RS485, Type-C, SIM card and other multiple interfaces, can be connected and converted multiple equipment simultaneously, meets the access demand of complex system.Using isolated power module 5 design and interface shielded terminal 8 double measures, ensure that communication equipment is stably operated in harsh industrial environment.Termination resistance configuration module 6 can be flexibly configured by jumper cap, multiple protocols are built-in in storage module 9, and can be switched by relevant program instruction;The setting of Type-C interface greatly improves the applicability and ease of use of equipment.

[0023] Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. It is intended that the specification and examples be considered as exemplary only, with the true scope of the application being indicated by the following claims.

[0024] It should be understood that the application is not limited to the precise construction that has been described above and shown in the accompanying drawings, and that various modifications and changes can be made by those skilled in the art without departing from the scope of the application. The foregoing described embodiments of the application are not to be construed as limiting the application.

Claims

1. A multi-station communication device, comprising a housing (1), characterized in that, Also includes: The main control module (2), signal conversion module (3), power management module (4), and isolated power module (5) are installed inside the housing (1), and the communication indicator (101), power indicator (102), RS232 interface (103), RS485 interface (104), Type-C interface (105), reserved interface (106), SIM / IoT card interface (107) and DC 12V power switch (108) are installed on the front side of the housing (1). The RS232 interface (103), RS485 interface (104), Type-C interface (105), reserved interface (106), and SIM / IoT card interface (107) are all integrated on the main control module (2). The RS232 interface (103) and RS485 interface (104) are both connected to the signal conversion module (3). The signal conversion module (3) and the power management module (4) are connected to the input terminal of the main control module (2). The isolated power supply module (5) is connected to the main control module (2) through the power management module (4).

2. The communication device supporting multiple stations according to claim 1, characterized in that, The main control module (2) is an STM32H743 microcontroller; The signal conversion module (3) is a MAX3490 conversion chip; the isolated power supply module (5) is a B0505S isolated DC-DC module.

3. The communication device supporting multiple stations according to claim 2, characterized in that, Also includes: The terminating resistor configuration module (6) is connected to the signal conversion module (3). The terminating resistor configuration module (6) has jumper caps (7) at both ends. The terminating resistor configuration module (6) is connected or disconnected by inserting or removing the jumper caps (7).

4. The communication device supporting multiple stations according to claim 2, characterized in that, A shielded terminal block (8) is also provided at the location of the RS232 interface (103) and RS485 interface (104) on the housing (1).

5. The communication device supporting multiple stations according to claim 2, characterized in that, Also includes: The storage module (9) is connected to the STM32H743 microcontroller. The storage module (9) is used to store various communication protocols corresponding to the RS232 interface (103) and the RS485 interface (104).

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