CN217469991U - Lightweight networking gateway equipment - Google Patents
Lightweight networking gateway equipment Download PDFInfo
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- CN217469991U CN217469991U CN202221748294.2U CN202221748294U CN217469991U CN 217469991 U CN217469991 U CN 217469991U CN 202221748294 U CN202221748294 U CN 202221748294U CN 217469991 U CN217469991 U CN 217469991U
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Abstract
The utility model discloses a lightweight network gateway equipment mainly solves the problem that the communication network deployment is complicated between current host computer and the debugging equipment, and equipment debugging is with high costs. The gateway equipment comprises a main control MCU, a storage module, a protocol conversion module, a communication interface module and a power management module which are connected with the main control MCU, and an analog quantity signal processing module which is connected with the communication interface module. Through the design, the utility model discloses a set up communication module, communication interface module and protocol conversion module and realize the combination of wireless network deployment and wired network deployment mode, realize multiple communication mode's interconnection through protocol conversion, improved the flexibility of gateway equipment's network deployment, can realize the network deployment communication between host computer and the different communication protocol equipment, reduce the equipment debugging cost, realize the lightweight of equipment debugging network deployment. Therefore, the method is suitable for popularization and application.
Description
Technical Field
The utility model belongs to the technical field of communication networking, specifically speaking relates to a lightweight networking gateway equipment.
Background
The protocol converter is also called gateway and internetwork connector, the gateway realizes network interconnection above network layer, it is the most complex network interconnection equipment, only used for two different network interconnections of high layer protocol, the gateway can be used for both wide area network interconnection and local area network interconnection, the gateway is a translator, it is different from bridge to simply convey information, the gateway repacks the received information to meet the demand of the target system.
With the development of modern industry, more and more devices are continuously coming in, and the communication between an upper computer and the devices becomes more and more frequent and important. However, different communication protocols are adopted for different equipment manufacturers, production time, application scenes and the like, and gateway equipment with different conversion protocols is adopted for communication, so that communication between an upper computer and equipment becomes extremely complicated. Therefore, it is necessary to provide a lightweight networking gateway device, which realizes networking communication between an upper computer and different communication protocol devices, and reduces device debugging cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lightweight network gateway equipment mainly solves the problem that the communication network deployment is complicated between current host computer and the debugging equipment, and equipment debugging is with high costs.
In order to achieve the above object, the utility model adopts the following technical scheme:
a lightweight networking gateway device comprises a main control MCU, a storage module, a protocol conversion module, a communication interface module, a power management module and an analog quantity signal processing module, wherein the storage module, the protocol conversion module, the communication interface module and the power management module are connected with the main control MCU;
the main control MCU is used for coordinating and controlling the working logic of each module;
the storage module is used for storing network protocol conversion rules;
the protocol conversion module is used for realizing protocol conversion among different communication channels;
the communication module is used for realizing wireless communication networking between devices;
the communication interface module is used for realizing wired communication networking between devices;
the power supply management module is used for providing power supply for the work of each module;
the analog quantity signal processing module is used for receiving and processing analog quantity data of the debugging equipment.
Further, in the utility model discloses in, communication module includes Zigbee module, GSM/GPRS module and wiFi module.
Further, the utility model discloses in, the communication interface module includes optoelectronic isolation module, the digital isolation module that links to each other with master control MCU, and the Modbus interface that links to each other with optoelectronic isolation module to and RS485 interface, RS232 interface and the CAN bus interface that links to each other with the digital isolation module.
Further, in the utility model, the RS485 interface includes an RS485 driving module connected with the digital isolation module, an RS485 bus connected with the RS485 driving module, and an RS485 signal receiving module connected with the RS485 bus; and the analog quantity signal processing module is connected with an RS485 bus.
Further, in the present invention, the RS232 interface includes an RS232 driving module connected to the digital isolation module, an RS232 bus connected to the RS232 driving module, and an RS232 signal receiving module connected to the RS232 bus; and the analog quantity signal processing module is connected with an RS232 bus.
Further, in the present invention, the CAN bus interface includes a CAN driver module connected to the digital isolation module, a CAN bus connected to the CAN driver module, and a CAN transceiver connected to the CAN bus; and the analog quantity signal processing module is connected with the CAN bus.
Further, in the present invention, the power management module includes a rectification filter module, a voltage reduction module, and a 5V to 3.3V module, which are connected to the external power output terminal through the power supply interface; the rectification filter module is connected with VCC, and the rectification filter module, the voltage reduction module and the 5V-to-3.3V module are sequentially connected; the voltage reduction module comprises a 5V voltage reduction chip connected with the rectification filter module through an anti-reverse diode D1, a filter capacitor C1, a discharge diode D2 and a filter inductor L1 which are all connected with the 5V voltage reduction chip, and low-frequency filter capacitors C2 and C3, wherein one end of each low-frequency filter capacitor is connected with the filter inductor L1, and the other end of each low-frequency filter capacitor is grounded; and the common end of the filter inductor L1 and the capacitor C2 is connected with a 5V-to-3.3V module.
Further, in the utility model discloses in, 5V changes 3.3V module includes that input termination filter inductance L1, output connect each module power supply input's steady voltage chip, connects the high frequency filtering C4 and the low frequency filtering C5 of steady voltage chip input and ground connection after parallelly connected to and connect the high frequency filtering C6 and the low frequency filtering C7 of steady voltage chip output and ground connection after parallelly connected.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model discloses a set up communication module, communication interface module and protocol conversion module and realize the combination of wireless network deployment and wired network deployment mode, realize multiple communication mode's interconnection through protocol conversion, improved the flexibility of gateway equipment's network deployment, can realize the network deployment communication between host computer and the different communication protocol equipment, reduce equipment debugging cost, realize the lightweight of equipment debugging network deployment.
(2) The utility model discloses the signal that can be suitable for is more, provides the bridge for the interconnection between the bottom hardware data of host computer and debugging equipment, lays the basis for the thing networked control who realizes equipment.
(3) The utility model discloses a step-down module and 5V among the power management module have all designed parallelly connected low frequency filter electric capacity and high frequency filter electric capacity in changeing the 3.3V module, and in the in-service use, low frequency filter electric capacity can most low frequency interference of filtering, and high frequency filter electric capacity can the high frequency interference of filtering subtotal to the stability of each module power supply in the equipment has been ensured well.
Drawings
Fig. 1 is a schematic block diagram of the overall structure of the present invention.
Fig. 2 is a schematic block diagram of an RS485 interface according to the present invention.
Fig. 3 is a schematic block diagram of an RS232 interface according to the present invention.
Fig. 4 is a schematic block diagram of a CAN bus interface according to the present invention.
Fig. 5 is a schematic diagram of the voltage reducing module circuit of the present invention.
Fig. 6 is a schematic diagram of a 5V to 3.3V module circuit according to the present invention.
Detailed Description
The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.
Examples
As shown in fig. 1-4, the utility model discloses a lightweight network gateway equipment, including master control MCU, storage module, protocol conversion module, communication interface module and the power management module that links to each other with master control MCU to and the analog signal processing module that links to each other with communication interface module. In this embodiment, the main control MCU adopts an STM32F415, which is mainly used to coordinate and control the working logic of each module. The storage module adopts a FLASH storage module with the model number of W25Q128, and is mainly used for storing the network protocol conversion rule. The protocol conversion module adopts FRM220A-E1, and is mainly used for realizing protocol conversion among different communication channels.
In this embodiment, the communication module is configured to implement wireless communication networking between devices; the communication module comprises a Zigbee module, a GSM/GPRS module and a WiFi module. The Zigbee module is used for realizing networking of corresponding sensors between the Zigbee module and the debugging equipment in a wireless Zigbee mode; the GSM/GPRS module is used for providing a TCP/IP protocol channel for connecting with an external Internet, and further can transmit data with a remote server through a TCP or UDP protocol; the WiFi module is used for realizing networking with a local area network between the debugging equipment in a WiFi mode. The Zigbee module, the GSM/GPRS module and the WiFi module can be mature products on the market directly.
In this embodiment, the communication interface module is used to implement wired communication networking between devices; the communication interface module comprises a photoelectric isolation module and a digital isolation module which are connected with the main control MCU, a Modbus interface connected with the photoelectric isolation module, and an RS485 interface, an RS232 interface and a CAN bus interface which are connected with the digital isolation module. The Modbus interface comprises a Modbus master interface and a Modbus slave interface, the Modbus master interface is used for realizing networking communication with various frequency converters and the like in the debugging system, and the Modbus slave interface realizes the networking communication with the on-site human-computer interaction operation interface in a Modbus RTU mode.
In this embodiment, the RS485 interface includes an RS485 driving module connected to the digital isolation module, an RS485 bus connected to the RS485 driving module, and an RS485 signal receiving module connected to the RS485 bus; and the analog quantity signal processing module is connected with an RS485 bus. The RS232 interface comprises an RS232 driving module connected with the digital isolation module, an RS232 bus connected with the RS232 driving module, and an RS232 signal receiving module connected with the RS232 bus; and the analog quantity signal processing module is connected with an RS232 bus. The CAN bus interface comprises a CAN driving module connected with the digital isolation module, a CAN bus connected with the CAN driving module and a CAN transceiver connected with the CAN bus; and the analog quantity signal processing module is connected with the CAN bus. The digital isolation module adopts an ISO7221 chip, the RS485 drive module adopts an SP485EEN multi-serial-port chip, the model of the RS232 drive module is SP3232, the CAN drive module adopts SN65HVD230D, and the CAN transceiver adopts a PCA82C251 chip.
As shown in fig. 5, in this embodiment, the power management module is configured to provide power for operations of the modules; the power management module comprises a rectification filtering module, a voltage reduction module and a 5V-to-3.3V module, wherein the rectification filtering module, the voltage reduction module and the 5V-to-3.3V module are connected with an external power supply output end through a power supply interface; the rectification filter module is connected with VCC, and the rectification filter module, the voltage reduction module and the 5V-to-3.3V module are sequentially connected; the voltage reduction module comprises a 5V voltage reduction chip connected with the rectification filter module through an anti-reflection diode D1, a filter capacitor C1, a discharge diode D2 and a filter inductor L1 which are all connected with the 5V voltage reduction chip, and low-frequency filter capacitors C2 and C3, wherein one end of each low-frequency filter capacitor C is connected with the filter inductor L1, and the other end of each low-frequency filter capacitor C2 and the other end of each low-frequency filter capacitor C3 are grounded; and the common end of the filter inductor L1 and the capacitor C2 is connected with a module for converting 5V into 3.3V. Wherein the 5V pressure reduction chip is LM2596T-5.0 in model. Meanwhile, the rectification filter module is an existing circuit module, and the specific construction and the working principle thereof are not described in detail herein.
As shown in fig. 6, in this embodiment, the 5V to 3.3V module includes a voltage stabilizing chip having an input terminal connected to the filter inductor L1 and an output terminal connected to the power supply input terminal of each module, a high frequency filter C4 and a low frequency filter C5 connected in parallel and then connected to the input terminal of the voltage stabilizing chip and grounded, and a high frequency filter C6 and a low frequency filter C7 connected in parallel and then connected to the output terminal of the voltage stabilizing chip and grounded. The model of the voltage stabilizing chip is AMS 1117-3.3. In actual work, the low-frequency filter capacitor can filter most low-frequency interference, and the high-frequency filter capacitor can filter a small part of high-frequency interference, so that the stability of power supply to each module is well ensured.
In this embodiment, the analog signal processing module is configured to receive and process analog data of a debugging device. And correspondingly processing different analog quantity data such as temperature, humidity and the like aiming at different debugging equipment.
Through the design, the utility model discloses a set up communication module, communication interface module and protocol conversion module and realize the combination of wireless network deployment and wired network deployment mode, realize multiple communication mode's interconnection through protocol conversion, improved the flexibility of gateway equipment's network deployment, can realize the network deployment communication between host computer and the different communication protocol equipment, reduce the equipment debugging cost, realize the lightweight of equipment debugging network deployment. Therefore, the utility model is suitable for popularization and application.
The above embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the protection scope of the present invention, but all the insubstantial changes or modifications made in the spirit and the idea of the main design of the present invention, the technical problems solved by the embodiment are still consistent with the present invention, and all should be included in the protection scope of the present invention.
Claims (8)
1. A lightweight networking gateway device is characterized by comprising a main control MCU, a storage module, a protocol conversion module, a communication interface module and a power management module which are connected with the main control MCU, and an analog quantity signal processing module connected with the communication interface module;
the main control MCU is used for coordinating and controlling the working logic of each module;
the storage module is used for storing network protocol conversion rules;
the protocol conversion module is used for realizing protocol conversion among different communication channels;
the communication module is used for realizing wireless communication networking between devices;
the communication interface module is used for realizing wired communication networking between devices;
the power supply management module is used for providing power supply for the work of each module;
the analog quantity signal processing module is used for receiving and processing analog quantity data of the debugging equipment.
2. The gateway device of claim 1, wherein the communication module comprises a Zigbee module, a GSM/GPRS module, and a WiFi module.
3. The gateway device of claim 2, wherein the communication interface module comprises an optoelectronic isolation module and a digital isolation module connected to the main control MCU, a Modbus interface connected to the optoelectronic isolation module, and an RS485 interface, an RS232 interface and a CAN bus interface connected to the digital isolation module.
4. The gateway device of claim 3, wherein the RS485 interface comprises an RS485 driver module connected to the digital isolation module, an RS485 bus connected to the RS485 driver module, and an RS485 signal receiving module connected to the RS485 bus; and the analog quantity signal processing module is connected with an RS485 bus.
5. The gateway device of claim 3, wherein the RS232 interface comprises an RS232 driver module connected to the digital isolation module, an RS232 bus connected to the RS232 driver module, and an RS232 signal receiving module connected to the RS232 bus; and the analog quantity signal processing module is connected with an RS232 bus.
6. The lightweight networking gateway device of claim 3, wherein the CAN bus interface comprises a CAN driver module connected to the digital isolation module, a CAN bus connected to the CAN driver module, and a CAN transceiver connected to the CAN bus; and the analog quantity signal processing module is connected with the CAN bus.
7. The lightweight networking gateway device according to any one of claims 4 to 6, wherein the power management module comprises a rectifying and filtering module, a voltage reduction module and a 5V to 3.3V module which are connected with an external power supply output end through a power supply interface; the rectification filter module is connected with VCC, and the rectification filter module, the voltage reduction module and the 5V-to-3.3V module are sequentially connected; the voltage reduction module comprises a 5V voltage reduction chip connected with the rectification filter module through an anti-reverse diode D1, a filter capacitor C1, a discharge diode D2 and a filter inductor L1 which are all connected with the 5V voltage reduction chip, and low-frequency filter capacitors C2 and C3, wherein one end of each low-frequency filter capacitor is connected with the filter inductor L1, and the other end of each low-frequency filter capacitor is grounded; and the common end of the filter inductor L1 and the capacitor C2 is connected with a 5V-to-3.3V module.
8. The gateway device of claim 7, wherein the 5V to 3.3V modules comprise a filter inductor L1 connected to an input end, a voltage stabilizing chip connected to a power supply input end of each module at an output end, a high-frequency filter C4 and a low-frequency filter C5 connected in parallel and then connected to an input end of the voltage stabilizing chip and grounded, and a high-frequency filter C6 and a low-frequency filter C7 connected in parallel and then connected to an output end of the voltage stabilizing chip and grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202221748294.2U CN217469991U (en) | 2022-07-06 | 2022-07-06 | Lightweight networking gateway equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221748294.2U CN217469991U (en) | 2022-07-06 | 2022-07-06 | Lightweight networking gateway equipment |
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| CN217469991U true CN217469991U (en) | 2022-09-20 |
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| CN202221748294.2U Active CN217469991U (en) | 2022-07-06 | 2022-07-06 | Lightweight networking gateway equipment |
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