CN210514973U

CN210514973U - Efficient communication circuit based on message queue control

Info

Publication number: CN210514973U
Application number: CN201921390396.XU
Authority: CN
Inventors: 王晖; 欧阳悠; 龚洪金; 刘神佳; 刘竣
Original assignee: Ningde Juneng Power System Technology Co ltd
Current assignee: Ningde Juneng Power System Technology Co ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-05-12
Anticipated expiration: 2029-08-26

Abstract

The utility model relates to a high-efficient communication circuit based on message queue control, including first power module, second power module, third power module, communication module power filter circuit, communication level conversion circuit, SIM cassette circuit and MCU; the first power supply module is electrically connected with the second power supply module and used for converting 12V voltage into 5V voltage; the second power supply module is electrically connected with the MCU and used for converting 5V voltage into 3.3V voltage to supply power to the MCU; the third power supply module is electrically connected with the communication module through the communication module power supply filter circuit; the SIM card seat circuit is electrically connected with the communication module; the communication level conversion circuit is electrically connected with the communication module and the MCU respectively and used for matching the serial port level of the communication module with the serial port level of the MCU to realize communication. The utility model discloses a build the circuit, solve the unmatched problem of communication process level, reduce communication delay, improve the reliability of data, ensure the high-efficient stable transmission that carries on of data.

Description

Efficient communication circuit based on message queue control

Technical Field

The utility model relates to the field of electronic technology, especially a high-efficient communication circuit based on message queue control.

Background

At present, a novel consumption mode of service purchase and service starting by means of smart phone APP and small programs is widely applied to markets, such as various shared derivative products. In the process of using the service, a user needs to start the device through the operation of the mobile phone end to obtain the service provided by the device. Therefore, the communication circuit between the communication circuits is used as an important bridge for connecting the terminal using the user, the software terminal and the intelligent control panel of the equipment, and whether the communication circuit is efficient, fast, convenient and safe plays an important role in the service provided by the product. The quality of the product service is related to whether the communication is smooth or not and whether the message processing is quick or not.

Disclosure of Invention

In view of this, the utility model aims at providing a high-efficient communication circuit based on message queue control, through setting up the circuit, solve the unmatched problem of communication process level, reduce communication delay, improve the reliability of data, ensure that data is high-efficient stable transmits.

The utility model discloses a following scheme realizes:

a high-efficiency communication circuit based on message queue control comprises a first power supply module, a second power supply module, a third power supply module, a communication module power supply filter circuit, a communication level conversion circuit, an SIM card seat circuit and an MCU; the first power supply module is electrically connected with the second power supply module and used for converting 12V voltage externally connected with the first power supply module into 5V voltage and transmitting the 5V voltage to the second power supply module; the second power supply module is electrically connected with the MCU and used for converting the 5V voltage into 3.3V voltage to supply power to the MCU; the third power supply module is electrically connected with the communication module through the communication module power supply filter circuit and used for supplying electric energy to the communication module; the SIM card seat circuit is electrically connected with the communication module; the communication level conversion circuit is electrically connected with the communication module and the MCU respectively and used for matching the serial port level of the communication module with the serial port level of the MCU to realize communication; the SIM card seat circuit is in communication connection with an external intelligent terminal; the first power supply module, the second power supply module, the third power supply module and the MCU are all connected with external equipment.

Further, the model of the MCU is STM32F103ZET 6.

Further, the chip model of the communication module is 4G-N720 Mini PCIe.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a build the circuit, solve the unmatched problem of communication process level, reduce communication delay, improve the reliability of data, ensure the high-efficient stable transmission that carries on of data.

Drawings

Fig. 1 is a circuit diagram of a first power module according to an embodiment of the present invention.

Fig. 2 is a circuit diagram of a second power module according to an embodiment of the present invention.

Fig. 3 is a circuit diagram of a third power module according to an embodiment of the present invention.

Fig. 4 is a power filter circuit diagram of a communication module according to an embodiment of the present invention.

Fig. 5 is a circuit diagram of a SIM card socket according to an embodiment of the present invention.

Fig. 6 is a circuit diagram of a communication level conversion circuit according to an embodiment of the present invention.

Fig. 7 is a circuit diagram of a communication module according to an embodiment of the present invention.

Fig. 8 is a diagram of the MCU and its peripheral circuits according to an embodiment of the present invention.

Fig. 9 is a block diagram of the embodiment of the present invention.

Detailed Description

The present invention will be further explained with reference to the drawings and the embodiments.

As shown in fig. 9, this embodiment provides a high-efficiency communication circuit based on message queue control, which includes a first power module, a second power module, a third power module, a communication module power filter circuit, a communication level conversion circuit, a SIM card socket circuit, and an MCU; the first power supply module is electrically connected with the second power supply module and used for converting 12V voltage externally connected with the first power supply module into 5V voltage and transmitting the 5V voltage to the second power supply module; the second power supply module is electrically connected with the MCU and used for converting the 5V voltage into 3.3V voltage to supply power to the MCU; the third power supply module is electrically connected with the communication module through the communication module power supply filter circuit and used for supplying electric energy to the communication module; the SIM card seat circuit is electrically connected with the communication module; the communication level conversion circuit is electrically connected with the communication module and the MCU respectively and used for matching the serial port level of the communication module with the serial port level of the MCU to realize communication; the SIM card seat circuit is in communication connection with an external intelligent terminal; the first power supply module, the second power supply module, the third power supply module and the MCU are all connected with external equipment.

In the present embodiment, the model of the MCU is STM32F103ZET 6.

In this embodiment, the chip model adopted by the communication module is 4G-N720 Mini PCIe.

Preferably, in this embodiment, as shown in fig. 1, the first power module steps down the dc 12V voltage to 5V voltage through the LM2596S voltage regulator chip, and the diode and the inductor function to output current continuously when the LM2596 is in the off state, and step up the current and output 5V voltage after being filtered by the capacitor. The first power supply module is connected with the second power supply module, as shown in fig. 2, the second power supply module reduces the direct current 5V voltage to 3.3V voltage through the AMS1117-3.3 voltage stabilizing chip, and outputs 3.3V voltage to supply power to the MCU after the capacitor filtering, so that stable and reliable work of the MCU is guaranteed. As shown in fig. 3, the third power module steps down the dc 12V voltage of the external device to a 3.3V voltage through the AMS1117-3.3 regulator chip, the diode and the inductor function to output a continuous current when the LM2596 is in the off state, and the voltage is pressurized and filtered by the capacitor to output a 3.3V voltage for supplying power to the communication module, thereby ensuring the stable and reliable communication connection. As shown in fig. 4, the power filter circuit of the communication module, in which D6 uses TVS, can prevent the damage of the module caused by power surge. The C24 electrolytic capacitor can improve the instantaneous large current follow current capability of the power supply and smooth the voltage fluctuation of the power supply. In addition, filter capacitors of 0.1 muF, 100pF and 33pF are added close to the power supply pins of the module, which helps to reduce high-frequency interference. The SIM card seat circuit receives a data signal of an external smart terminal or a server, wherein, as shown in fig. 5, the ESD protection circuit is designed to provide a fast discharging path of a transient large current, so as to prevent a working circuit from being damaged due to an ESD discharging path. As shown in fig. 6, the communication level conversion circuit performs level conversion through the triode, and matches the serial port level of the communication module with the serial port level of the MCU to realize communication. As shown in fig. 7, the communication module connects the MCU with the serial port of the communication module, and communicates with the server through the communication module. And realizing the communication between the hardware circuit and the background. The LED will blink during communication meaning that data is being interacted with. As shown in fig. 8, the MCU and its peripheral circuits are used for system control of the entire hardware circuit, and drive and control of each function are realized by connecting the peripheral circuits.

Preferably, in this embodiment, the power module is mainly used for supplying power to the whole circuit, and supplies power to the MCU and the communication module, so as to ensure stable and reliable operation of the circuit. The SIM provides the communication module with the basis for communication services. The communication module is connected with the MCU through a serial port, so that data can be transmitted to a hardware system from a background accurately and reliably. The power module and the MCU are connected with the equipment end, and the SIM and the communication module are connected with the software end. The embodiment realizes the efficient communication circuit for the interaction between the intelligent control panel of the equipment and the software end, and the interaction of the operation instructions is carried out in the form of the message queue. The user side can use operation, purchase payment and the like on line for the smart phone APP or the small program through the external smart terminal, and the service function provided by the device can be realized and obtained.

Preferred, the utility model discloses, as the role of "coordinating many parties", be applied to lithium ion battery's "fill and trade the electricity" shared device in, through the high-efficient communication circuit in message queue, can realize that the customer end selects to use the package, purchase the package, get the sharing battery, carry out sharing battery charging service.

Preferably, this embodiment solves the unmatched problem of communication process level through setting up the circuit, reduces communication delay, improves the reliability of data, ensures that data is high-efficient stable to transmit.

It is worth mentioning that the utility model protects a hardware structure, as for the control method does not require protection. The above is only a preferred embodiment of the present invention. However, the present invention is not limited to the above embodiments, and any equivalent changes and modifications made according to the present invention do not exceed the scope of the present invention, and all belong to the protection scope of the present invention.

Claims

1. An efficient communication circuit based on message queue control, characterized by: the power supply comprises a first power supply module, a second power supply module, a third power supply module, a communication module power supply filter circuit, a communication level conversion circuit, an SIM card seat circuit and an MCU; the first power supply module is electrically connected with the second power supply module and used for converting 12V voltage externally connected with the first power supply module into 5V voltage and transmitting the 5V voltage to the second power supply module; the second power supply module is electrically connected with the MCU and used for converting the 5V voltage into 3.3V voltage to supply power to the MCU; the third power supply module is electrically connected with the communication module through the communication module power supply filter circuit and used for supplying electric energy to the communication module; the SIM card seat circuit is electrically connected with the communication module; the communication level conversion circuit is electrically connected with the communication module and the MCU respectively and used for matching the serial port level of the communication module with the serial port level of the MCU to realize communication; the SIM card seat circuit is in communication connection with an external intelligent terminal; the first power supply module, the second power supply module, the third power supply module and the MCU are all connected with external equipment.

2. The efficient communication circuit based on message queue control of claim 1, wherein: the model of the MCU is STM32F103ZET 6.

3. The efficient communication circuit based on message queue control of claim 1, wherein: the chip model of the communication module is 4G-N720 Mini PCIe.