CN216357347U

CN216357347U - Gateway based on WIFI and GPRS transmission

Info

Publication number: CN216357347U
Application number: CN202121531091.3U
Authority: CN
Inventors: 刘纯; 熊志勇
Original assignee: Jiangxi Fashion Technology Co Ltd
Current assignee: Jiangxi Fashion Technology Co Ltd
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2022-04-19
Anticipated expiration: 2031-07-07

Abstract

The utility model relates to a gateway based on WIFI and GPRS transmission, which comprises a shell, wherein a microcontroller is arranged in the shell, a WIFI antenna, a GPRS antenna, a WIFI node, a cloud platform and a power supply are arranged on the outer side of the shell, an RS485 interface, an RS232 interface and an SD interface are arranged on the microcontroller, the microcontroller comprises a power supply module, a clock management module, a WIFI communication module and a GPRS communication module, the WIFI communication module and the GPRS communication module can be in wireless connection with the outside, the cost is greatly reduced due to the wireless connection, and the gateway can be connected with equipment through the RS485 interface, the RS232 interface and the SD interface, so that the conversion of various data protocols can be realized, and the defects in the traditional monitoring system are overcome.

Description

Gateway based on WIFI and GPRS transmission

Technical Field

The utility model relates to the technical field of automatic monitoring of civil engineering, in particular to a gateway based on WIFI and GPRS transmission.

Background

In the process of railway construction, a monitoring system needs to be arranged on a construction site for collecting various data of the construction site and guaranteeing the safety of the construction site, the traditional monitoring system is high in complexity and high in construction difficulty, and due to the requirements of power supply, data transmission and the like, a large number of cables, optical fibers, network cables and other lines need to be laid on the construction site, so that construction difficulty is further caused, and the cost of materials is increased.

The monitoring system utilizes various monitoring instruments to monitor, a protocol conversion module is used during data transmission, the function of the protocol conversion module is single, the protocol conversion module is basically realized according to function splicing, the number of the used protocol conversion modules is large, and the protocol conversion modules are not necessarily products of the same manufacturer, so that the compatibility is poor, the complexity of the monitoring system is further increased, and the maintenance cost is further reduced

In summary, in the conventional monitoring system, certain limitations exist in the aspects of data conversion, multi-parameter measurement and the like in the aspects of single function, complex system, high cost and the like, and the requirements under specific working conditions are difficult to meet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a gateway based on WIFI and GPRS transmission.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a gateway based on WIFI and GPRS transmission, includes the shell, the inside microcontroller that is provided with of shell, the outside of shell is provided with WIFI antenna, GPRS antenna, WIFI node, cloud platform and power, one side of shell is provided with solid fixed ring, be provided with RS485 interface, RS232 interface and SD interface on the microcontroller, including power module, clock management module, WIFI communication module and GPRS communication module in the microcontroller, WIFI antenna and WIFI communication module carry out communication connection and data interchange, and carry out wireless communication connection and data interchange with the WIFI node, GPRS antenna and GPRS communication module management carry out communication connection and data interchange, GPRS antenna and cloud platform carry out wireless communication connection and data interchange, power and power module electric connection.

The WIFI communication module receives the WIFI node instruction and sends feedback information through the WIFI antenna, sends an instruction to the WIFI node through the WIFI antenna and receives the feedback information, the GPRS communication module receives the cloud platform instruction through the GPRS antenna and sends the feedback information, sends an instruction to the cloud platform through the GPRS antenna and receives the feedback information, the WIFI communication module adopts an AR9331 chip, and the GPRS communication module adopts an SIM800C chip.

In a further preferred mode, the power module includes a dc power supply circuit and a lithium battery charging control circuit, where the dc power supply circuit is configured to supply power to the microcontroller, and the lithium battery charging control circuit is configured to supply power to the microcontroller when the dc power supply circuit is in abnormal power supply. Adopt direct current supply circuit and lithium battery charging control circuit to carry out dual supply to microcontroller, when direct current supply circuit is unusual, can switch lithium battery charging control circuit, avoid leading to microcontroller stop work because of the outage.

In a further preferred mode, a clock chip is arranged outside the microcontroller, the clock chip and the microcontroller perform communication connection and data exchange, and the clock chip 18 is a DS1302 chip. The clock chip provides external time so as to calibrate time and ensure correct data acquisition.

Further preferably, an RS485 driving circuit is arranged inside the microcontroller, and the RS485 interface and the RS485 driving circuit are in communication connection and exchange data. Data can be collected through the RS485 driving circuit, and the data can be converted into the same standard data for transmission.

Further preferably, an RS232 driving circuit is arranged inside the microcontroller, and the RS232 interface and the RS232 driving circuit perform communication connection and data exchange. Data can be collected through the RS232 driving circuit, and the data can be converted into the same standard data for transmission.

Further preferably, an SD card management module is disposed inside the microcontroller, and the SD interface and the SD card management module perform communication connection and data exchange. The SD card management module can store data in the SD card, so that data loss is avoided.

(III) advantageous effects

Compared with the prior art, the utility model provides a gateway based on WIFI and GPRS transmission, which has the following beneficial effects:

according to the utility model, the RS485 interface, the RS232 interface, the SD interface, various communication interfaces, the power management, the WIFI communication module and the GPRS communication module are utilized, data transmission is carried out by utilizing the RS485 interface, the RS232 interface, the SD interface, external equipment and the SD card, various data protocol conversions can be realized and wireless transmission is carried out under the control of the microcontroller, the WIFI node belongs to one part of a wireless local area network and is connected with detection equipment, or the detection equipment with the WIFI function is adopted, the WIFI module can independently manage, configure and transmit and receive data of the WIFI node in the wireless local area network, the data of the WIFI node is transmitted to the microcontroller, the GPRS communication module can be communicated with a cloud platform, and further the collected data is transmitted to the cloud platform.

Drawings

FIG. 1 is a functional block diagram of the present invention;

fig. 2 is a schematic structural view of the housing of the present invention.

In the figure: 1. a housing; 2. a microcontroller; 3. a WIFI antenna; 4. a GPRS antenna; 5. a WIFI node; 6. a cloud platform; 7. a power interface; 8. a fixing ring; 9. an RS485 interface; 10. an RS232 interface; 11. an SD interface; 12. a power supply module; 13. a clock management module; 14. a WIFI communication module; 15. a GPRS communication module; 16. a DC power supply circuit; 17. a lithium battery charging control circuit; 18. a clock chip; 19. an RS485 drive circuit; 20. an RS232 drive circuit; 21. and the SD card management module.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Example 1:

referring to fig. 1-2, a gateway based on WIFI and GPRS transmission includes a housing 1, a microcontroller 2 is disposed inside the housing 1, a WIFI antenna 3, a GPRS antenna 4, a WIFI node 5, a cloud platform 6 and a power interface 7 are disposed outside the housing 1, a fixing ring 8 is disposed on one side of the housing 1, an RS485 interface 9, an RS232 interface 10 and an SD interface 11 are disposed on the microcontroller 2, a power module 12, a clock management module 13, a WIFI communication module 14 and a GPRS communication module 15 are included in the microcontroller 2, the WIFI antenna 3 and the WIFI communication module 14 perform communication connection and data exchange, and carry out wireless communication with WIFI node 5 and connect and data interchange, GPRS antenna 4 and the management of GPRS communication module 15 carry out communication connection and data interchange, GPRS antenna 4 and carry out wireless communication with cloud platform 6 and connect and data interchange, power source 7 and power module 12 electric connection.

The WIFI communication module 14 receives the instruction of the WIFI node 5 and sends feedback information through the WIFI antenna 3, sends the instruction to the WIFI node 5 and receives the feedback information through the WIFI antenna 3, the GPRS communication module 15 receives the instruction of the cloud platform 6 and sends the feedback information through the GPRS antenna 4, sends the instruction to the cloud platform 6 and receives the feedback information through the GPRS antenna 4, the WIFI communication module 14 adopts an AR9331 chip, and the GPRS communication module 15 adopts an SIM800C chip.

In this embodiment, the power module 12 includes a dc power supply circuit 16 and a lithium battery charging control circuit 17, where the dc power supply circuit 16 is used for supplying power to the microcontroller 2, and the lithium battery charging control circuit 17 is used for supplying power to the microcontroller 2 when the dc power supply circuit 16 is abnormal in power supply. The direct current supply circuit 16 and the lithium battery charging control circuit 17 form a dual power supply interface 7, when the direct current supply circuit 16 is abnormal, the circuit can be switched, the lithium battery charging control circuit 17 is used for supplying power, for example, when the direct current supply circuit 16 is powered off, the lithium battery charging control circuit 17 comprises a lithium battery.

In this embodiment, a clock chip 18 is disposed outside the microcontroller 2, the clock chip 18 and the microcontroller 2 perform communication connection and data exchange, and the clock chip 18 is a DS1302 chip. Data through external clock chip 18 is introduced into microcontroller 2, compares external time and microcontroller 2 internal time through clock management module 13, and then manages microcontroller 2 internal time, when appearing the error, in time calibrates and checks, guarantees the accuracy of data acquisition.

In this embodiment, the microcontroller 2 is internally provided with an RS485 driving circuit 19, and the RS485 interface 9 and the RS485 driving circuit 19 perform communication connection and data exchange. When the microcontroller 2 detects that equipment is accessed to the microcontroller 2 through the RS485 interface 9, the RS232 driving circuit 20 is automatically driven, so that the microcontroller 2 can acquire data through the RS485 interface 9 and convert the data into a unified data protocol for transmission.

In the present embodiment, the microcontroller 2 is internally provided with an RS232 driving circuit 20, and the RS232 interface 10 and the RS232 driving circuit 20 perform communication connection and data exchange. When the microcontroller 2 detects that a device is connected to the microcontroller 2 through the RS232 interface 10, the RS232 driving circuit 20 is automatically driven, so that the microcontroller 2 can acquire data through the RS232 interface 10 and convert the data into a unified data protocol for transmission.

In this embodiment, the microcontroller 2 is internally provided with an SD card management module 21, and the SD interface 11 and the SD card management module 21 perform communication connection and data exchange. The main function is to make the microcontroller 2 store the collected data in the SD card and delete the data in the SD card appropriately for recycling.

Example 2:

referring to fig. 1-2, in use, the housing 1 is fixed at a certain position by a fixing ring 8, and is connected to an external power source through a power interface 7, the monitoring device is connected to the microcontroller 2 through an RS485 interface 9, an SD card is inserted into an SD interface 11, a dc power supply circuit 16 is connected to the external power interface 7 to supply power to the microcontroller 2, when the microcontroller 2 detects that the RS485 interface 9 has a device access, an RS485 driving circuit 19 is driven, and data input by the device through the RS485 interface 9 is collected and converted into a unified data protocol for transmission, and meanwhile, the WIFI antenna 3 transmits data collected by the WIFI node 5 to the WIFI communication module 14, the WIFI communication module 14 transmits data to the microcontroller 2, the WIFI node 5 may be a detection device with a WIFI function or a WIFI receiver, and then the microcontroller 2 transmits the collected data to the cloud platform 6 through a GPRS communication module 15 and a GPRS antenna 4, and the configuration information of the cloud platform 6 can also be synchronously issued to the microcontroller 2, the microcontroller 2 transmits the data to the SD card through the SD card management module 21 after the acquired data, stores the data, deletes the data in the SD card according to the actual storage condition of the SD card, and the WIFI communication module 14 can autonomously perform the functions of management, configuration, data transceiving on the WIFI node 5 in the wireless local area network.

Example 3:

referring to fig. 1-2, when the monitoring device is connected to the microcontroller 2 through the RS232 interface 10, the SD interface 11 is inserted into the SD card, the dc power supply circuit 16 is connected to the external power interface 7 to supply power to the microcontroller 2, when the microcontroller 2 detects that the RS232 interface 10 has the device access, the RS232 driving circuit 20 is driven, the data input by the device is collected through RS232 and converted into a data protocol with a unified standard for transmission, and the data protocol is stored in the SD card, when the direct current power supply circuit 16 has a problem, such as power failure, the power supply interface 7 is switched to the lithium battery charging control circuit 17, the lithium battery is used for supplying power to the microcontroller 2, the clock chip 18 transmits a clock signal to the microcontroller 2, and the clock management module 13 calibrates time by comparing the clock signal of the clock chip 18 with the clock signal inside the microcontroller 2, so as to ensure the accuracy of data transmission.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gateway based on WIFI and GPRS transmission, includes shell (1), its characterized in that: the intelligent WIFI wireless communication system is characterized in that a microcontroller (2) is arranged in the shell (1), a WIFI antenna (3), a GPRS antenna (4), a WIFI node (5), a cloud platform (6) and a power interface (7) are arranged on the outer side of the shell (1), a fixing ring (8) is arranged on one side of the shell (1), an RS485 interface (9), an RS232 interface (10) and an SD interface (11) are arranged on the microcontroller (2), a power module (12), a clock management module (13), a WIFI communication module (14) and a GPRS communication module (15) are arranged in the microcontroller (2), the WIFI antenna (3) and the WIFI communication module (14) are in communication connection and data exchange, and are in wireless communication connection and data exchange with the WIFI node (5), the GPRS antenna (4) and the GPRS communication module (15) are in management and are in communication connection and data exchange, the GPRS antenna (4) and the cloud platform (6) are in wireless communication connection and data exchange, the power supply interface (7) is electrically connected with the power supply module (12);

WIFI communication module (14) receives through WIFI antenna (3) WIFI node (5) instruction and feedback information are sent out to send out the instruction and receive feedback information to WIFI node (5) through WIFI antenna (3), GPRS communication module (15) is received through GPRS antenna (4) cloud platform (6) instruction and feedback information are sent out to send out the instruction and receive feedback information to cloud platform (6) through GPRS antenna (4), WIFI communication module (14) adopts the AR9331 chip, GPRS communication module (15) adopts the SIM800C chip.

2. The gateway based on WIFI and GPRS transmission of claim 1, wherein: power module (12) include DC power supply circuit (16) and lithium battery charging control circuit (17), DC power supply circuit (16) and lithium battery charging control circuit (17) all with power source (7) electric connection, wherein, DC power supply circuit (16) are used for supplying power to microcontroller (2), lithium battery charging control circuit (17) are used for supplying power to microcontroller (2) when DC power supply circuit (16) power supply is unusual.

3. The gateway based on WIFI and GPRS transmission of claim 1, wherein: a clock chip (18) is arranged outside the microcontroller (2), the clock chip (18) and the microcontroller (2) are in communication connection and data exchange, and the clock chip (18) adopts a DS1302 chip.

4. The gateway based on WIFI and GPRS transmission of claim 1, wherein: microcontroller (2) inside is provided with RS485 drive circuit (19), RS485 interface (9) and RS485 drive circuit (19) carry out communication connection and data interchange.

5. The gateway based on WIFI and GPRS transmission of claim 1, wherein: an RS232 driving circuit (20) is arranged inside the microcontroller (2), and the RS232 interface (10) and the RS232 driving circuit (20) are in communication connection and data exchange.

6. The gateway based on WIFI and GPRS transmission of claim 1, wherein: an SD card management module (21) is arranged in the microcontroller (2), and the SD interface (11) and the SD card management module (21) are in communication connection and data exchange.