CN215452937U - Communication module - Google Patents

Abstract

The utility model discloses a communication module, which comprises a main controller; the wireless communication module is connected to the main controller and used for summarizing node data of the target network; and the Ethernet communication module is connected to the main controller and is used for establishing communication between the wireless communication module and the cloud platform. Compared with the prior art, the communication module can improve the networking capability of the IOT communication terminal, and further realize convenient deployment of the IOT communication terminal.

Description

Communication module

Technical Field

The utility model relates to the technical field of Internet of things communication, in particular to a communication module.

Background

In the traditional IOT technology, the IOT communication terminal needs to rely on the base station and the network of the operator to implement networking operation, and in practical application, the area covered by the base station network of the operator can implement product deployment application and complete the flow cost in the later stage of deployment, thereby limiting the application expansion of such products to a certain extent. Therefore, it is very important to provide a communication module to improve the networking capability of the IOT communication terminal and further implement the convenient deployment of the IOT communication terminal.

Disclosure of Invention

The present invention is directed to solve the above problems, and an object of the present invention is to provide a communication module to improve networking capability of an IOT communication terminal, so as to implement convenient deployment of the IOT communication terminal.

In order to solve the technical problems, the utility model is implemented based on the following technical scheme:

a communication module comprises a main controller, a wireless communication module and an Ethernet communication module, wherein the wireless communication module is connected to the main controller and used for collecting node data of a target network, and the Ethernet communication module is connected to the main controller and used for establishing communication between the wireless communication module and a cloud platform.

Further, the main controller comprises a microprocessor, a key unit connected to the microprocessor, and a first power supply.

Further, the ethernet communication module includes a protocol conversion chip, a surge protector connected to the protocol conversion chip, and a second power supply.

Further, the communication module further includes: an Ethernet communication circuit;

the first signal transmission end of the protocol conversion chip is connected to the microprocessor, and the second signal transmission end of the protocol conversion chip and the Ethernet communication circuit form an Ethernet data communication interface.

Further, the surge protector and the ethernet communication circuit are connected in parallel to the second signal transmission terminal.

Furthermore, the model of the protocol conversion chip is W5500.

Further, the second power supply includes an ethernet filter circuit for converting the external input voltage into a 3.3V ac voltage and a 3.3V dc voltage.

Further, the communication module further includes:

and the signal conversion circuit is connected to the main controller and is used for establishing communication between the main controller and an external sensor.

Further, the signal conversion circuit includes:

the UART-to-RS 232 conversion circuit is used for establishing communication between the microprocessor and the first external sensor;

and the UART-to-RS 485 conversion circuit is used for establishing communication between the microprocessor and the second external sensor.

Further, the wireless communication module connected to the main controller includes a Zigbee wireless module with a model number XBee 3.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model discloses a communication module, which comprises a main controller; the wireless communication module is connected to the main controller and used for summarizing node data of the target network; and the Ethernet communication module is connected to the main controller and is used for establishing communication between the wireless communication module and the cloud platform. Compared with the prior art, the communication module can improve the networking capability of the IOT communication terminal, and further realize convenient deployment of the IOT communication terminal.

It is to be understood that within the scope of the present invention, the above-described features of the present invention and those specifically described below (e.g., in the examples) may be combined with each other to form new or preferred embodiments. Not to be reiterated herein, but to the extent of space.

Drawings

Fig. 1 is a functional block diagram of a communication module according to an embodiment of the present invention.

Fig. 2 is a specific circuit diagram of a communication module according to an embodiment of the utility model.

Fig. 3 is a schematic circuit diagram of another embodiment of a communication module according to the present invention.

Fig. 4 is a schematic circuit diagram of another embodiment of a communication module according to the present invention.

Fig. 5 is a schematic circuit diagram of another embodiment of a communication module according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like refer to the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which the utility model product is conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not refer to or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In order to explain the technical scheme in the application more clearly, a communication module of the machine internet of things is briefly introduced: the communication module of the machine Internet of things integrates a sensor technology, a microcomputer technology, a computer technology, a communication technology and an Internet technology, and a sensor data acquisition network is constructed by taking a 2.4GHz wireless communication technology of an IEEE 802.15.4 standard as a core, so that flexible expansion and deployment of the acquisition device terminal are realized. The 2.4GHz wireless communication technology, namely the Zigbee communication technology, developed by taking IEEE 802.15.4 as a standard has mature application in the fields of sensor networks, Internet of things and the like, such as smart homes, smart kitchens, smart buildings and the like.

As shown in fig. 1, the present embodiment discloses a communication module, which includes a main controller, a wireless communication module and an ethernet communication module, wherein the wireless communication module is connected to the main controller and is configured to collect node data of a target network, and the ethernet communication module is connected to the main controller and is configured to establish communication between the wireless communication module and a cloud platform.

Therefore, the communication module described by the embodiment of the utility model can improve the networking capability of the IOT communication terminal, and further realize the convenient deployment of the IOT communication terminal.

As shown in fig. 2, in the present embodiment, the main controller includes a microprocessor, a key unit connected to the microprocessor, and a first power supply. The main controller is used for realizing the control of the wireless communication module and the Ethernet interface and providing a reserved bus interface. The microprocessor is of the model STM32F405RGT6 and is used for processing sensor data and transmitting and receiving data of the wireless communication module. The key unit comprises an SW1 key and an SW2 key. Furthermore, one end of the SW1 key is connected to the microprocessor, and the other end is connected to the ground terminal; one end of the SW2 key is connected to the MCU system for waking up or resetting the MCU system, and the other end is connected to the ground terminal. The first power supply comprises a main control filter circuit, and can convert external input voltage into 3.3V alternating current voltage and 3.3V direct current voltage so as to ensure the reliable work of the main controller. The master control filter circuit comprises a plurality of resistors of 1K @100MHz and a plurality of capacitors with the capacity of 0.1 uF.

As shown in fig. 3, in this embodiment, the ethernet communication module includes a protocol conversion chip, a surge protector connected to the protocol conversion chip, and a second power supply, and the ethernet communication module is based on a built-in TCP/IP protocol and can transmit node data of a target network summarized by the wireless communication module to the cloud platform.

Further, the communication module further comprises an ethernet communication circuit for establishing communication between the protocol conversion chip and the cloud platform. The first signal transmission end of the protocol conversion chip is connected to the microprocessor, and the second signal transmission end of the protocol conversion chip and the Ethernet communication circuit form an Ethernet data communication interface. Further, the ethernet data communication interface is used for receiving signals of the cloud platform and transmitting the signals to the cloud platform.

Further, the surge protector and the ethernet communication circuit are connected in parallel to the second signal transmission terminal for protecting voltage sensitive electronic components in the ethernet communication circuit from electrostatic discharge and other transients. Furthermore, the model of the surge protector is ESDU5V0H 4.

Further, the model of the protocol conversion chip is W5500.

Further, the second power supply includes an ethernet filter circuit for converting an external input voltage into a 3.3V ac voltage and a 3.3V dc voltage, so as to ensure reliable operation of the ethernet communication module. The master control filter circuit comprises a plurality of resistors with the capacitance of 1K @100MHz, 2 capacitors with the capacitance of 1.5uF and a plurality of capacitors with the capacitance of 0.1 uF.

As shown in fig. 4, in this embodiment, the communication module further includes a bus communication interface connected to the main controller. Further, the bus communication interface comprises an RS232/RS485 interface and a USB interface, and is used for configuring an external communication module. Further, the RS232/RS485 interface includes a signal conversion circuit connected to the master controller for establishing communication between the master controller and the external sensor. Further, the signal conversion circuit includes a UART to RS232 conversion circuit and a UART to RS485 conversion circuit.

Further, the UART-to-RS 232 conversion circuit includes a chip of SIT3232E, one end of which is connected to the main controller, and the other end of which is connected to the first external sensor, for establishing communication between the microprocessor and the first external sensor to obtain data collected by the first external sensor.

Further, the UART-to-RS 485 conversion circuit comprises a MAX3485 chip and 2 SMD1206-010 resistors, one end of which is connected to the main controller and the other end of which is connected to the second external sensor, and is configured to establish communication between the microprocessor and the second external sensor to obtain data collected by the second external sensor.

As shown in fig. 5, in the present embodiment, the wireless communication module connected to the main controller includes a Zigbee wireless module with a model XBee3, which is used to aggregate all IOT node data of the target network.

Specific circuit diagrams of the above circuit of the present embodiment can refer to fig. 2 to 5.

While the preferred embodiments of the present invention have been illustrated and described in detail, it should be understood that modifications and variations can be effected by one skilled in the art in light of the above teachings without undue experimentation. Therefore, any technical solutions that can be obtained by a person skilled in the art through logical analysis, reasoning or limited experiments based on the prior art according to the present inventive concept should be within the scope of protection defined by the present claims.

Claims (10)

1. A communication module, comprising:

a main controller;

the wireless communication module is connected to the main controller and used for summarizing node data of a target network;

and the Ethernet communication module is connected to the main controller and is used for establishing communication between the wireless communication module and the cloud platform.

2. The communication module of claim 1, wherein the main controller comprises a microprocessor, a key unit connected to the microprocessor, and a first power source.

3. The communication module of claim 2, wherein the ethernet communication module comprises a protocol conversion chip, a surge protector connected to the protocol conversion chip, and a second power supply.

4. The communication module of claim 3, further comprising: an Ethernet communication circuit;

the first signal transmission end of the protocol conversion chip is connected to the microprocessor, and the second signal transmission end of the protocol conversion chip and the Ethernet communication circuit form an Ethernet data communication interface.

5. The communication module of claim 4, wherein the surge protector and the Ethernet communication circuit are connected in parallel to the second signal transmission terminal.

6. The communication module according to any one of claims 3 to 5, wherein the protocol conversion chip has a model number of W5500.

7. The communication module of claim 3, wherein the second power supply includes an Ethernet filter circuit for converting an external input voltage into a 3.3V AC voltage and a 3.3V DC voltage.

8. The communication module of claim 2, further comprising:

and the signal conversion circuit is connected to the main controller and is used for establishing communication between the main controller and an external sensor.

9. The communication module of claim 8, wherein the signal conversion circuit comprises:

the UART-to-RS 232 conversion circuit is used for establishing communication between the microprocessor and the first external sensor;

and the UART-to-RS 485 conversion circuit is used for establishing communication between the microprocessor and the second external sensor.

10. The communication module of claim 1, wherein the wireless communication module connected to the main controller comprises a Zigbee wireless module model XBee 3.

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