CN213210766U

CN213210766U - Multi-protocol data acquisition gateway

Info

Publication number: CN213210766U
Application number: CN202022614873.5U
Authority: CN
Inventors: 李波; 杨国庆; 赵会庆
Original assignee: Booming Hesine Energy & Environment Technology Tianjin Co ltd
Current assignee: Booming Hesine Energy & Environment Technology Tianjin Co ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-05-14
Anticipated expiration: 2030-11-12

Abstract

The utility model relates to the field of communication technology, a multi-protocol data acquisition gateway is disclosed, upload the module including host system, collection communication module and data, collection communication module, data upload the module all with the host system electricity is connected, realizes that collection communication module transmits the data of gathering for host system and upload the server through data upload module with data, collection communication module includes 485 communication units, USB communication units and serial ports screen communication unit, 485 communication units, USB communication units and serial ports screen communication unit are used for the information acquisition and the communication of different serial ports equipment. The system supports communication of various interface devices, can collect data of various communication protocol devices, and integrates various functions together so as to meet the requirements of most scenes.

Description

Multi-protocol data acquisition gateway

Technical Field

The utility model relates to the field of communication technology, concretely relates to multi-protocol data acquisition gateway.

Background

In industrial production, various field device communications transmit and receive data to be transmitted in a data packet format, and different protocol protocols are required to read various data in order. The diversification of communication modes and communication protocols always exists at present, and a great deal of time, energy and money are needed to be invested to solve the interconnection communication between heterogeneous systems. Most of the data acquisition devices adopt a plurality of different protocols, and a remote transmission module is added to convert the different protocols into standard protocols and then upload the data to a server. The method needs a plurality of acquisition modules, is not easy to install in most places, and the protocol converted by the acquisition modules is not necessarily a standard protocol, so that the field problem is not easy to solve. In addition, the prior art has the defects of single communication interface, single uploaded protocol, incapability of displaying field data in real time and the like, and cannot meet the requirements of most scenes.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a not enough to prior art exists, the utility model aims to provide a multi-protocol data acquisition gateway, this gateway support multiple interface device's communication, can gather the data of multiple communication protocol equipment, concentrates on multiple functions together to be applicable to the demand of most of scenes.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a multi-protocol data acquisition gateway, includes host system, collection communication module and data upload module, collection communication module, data upload module all with host system electricity is connected, realizes that collection communication module transmits the data of gathering for host system and upload the server through data upload module with data, collection communication module includes 485 communication unit, USB communication unit and serial ports screen communication unit, 485 communication unit, USB communication unit and serial ports screen communication unit are used for the information acquisition and the communication of different serial ports equipment.

The display device further comprises a storage module and a display module, wherein the storage module and the display module are electrically connected with the main control module, the storage module is used for storing data locally, and the display module is used for displaying the acquired data.

Furthermore, the intelligent alarm system also comprises a state indicating module and an alarm driving circuit, wherein the state indicating module and the alarm driving circuit are electrically connected with the main control module, and the state indicating module is used for indicating the communication state, so that the alarm driving circuit is used for driving the alarm to give an alarm when the communication is abnormal.

Furthermore, the data uploading module comprises a network port data uploading unit and a wireless 4G uploading unit, the network port data uploading unit comprises a plurality of network interfaces, and each network interface is connected with the main control module through an Ethernet control circuit.

In the utility model discloses, it is preferred, storage module includes SD card memory cell and data memory cell, SD card memory cell includes SD card J11, SD card J11 DAT0 to DAT3 port with main control module connects, data memory cell includes chip U10,

chip U10

5, 6 feet with main control module connects.

Further, the 485 communication unit includes a plurality of 485 interfaces, the 485 interface connection has chip U4, chip U4 with main control module connects.

The utility model discloses in, it is further, the USB communication unit includes USB interface and USB converting circuit, USB converting circuit includes chip U5, the USB interface with chip U5's D +, D-port connection, chip U5's RXD, TXD with host system connects.

The utility model discloses in, it is preferred, serial ports screen communication unit includes serial ports screen interface P17, serial ports screen interface P17 is used for carrying out data display with the display screen communication at scene.

The utility model discloses in, it is preferred, host system still is connected with outside crystal oscillator circuit and RTC clock circuit, outside crystal oscillator circuit be used for host system provides stable pulse signal, RTC clock circuit is used for providing time date information to host system.

In the utility model discloses, preferably, the master control module includes chip U1, the model of chip U1 is STM32F103VET 6.

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

(1) the utility model provides a pair of multi-protocol data acquisition gateway, adopt STM32F103VET6 to master control chip U1, 485 communication unit has been designed, USB communication unit and serial ports screen communication unit can gather MODBUS, BACNET, CJ/T188, the data of protocol equipment such as DL/T645, and upload the unit and upload the server with data through net gape data, the server adopts the compatible design of multi-protocol can use MQTT, CoAP, HTTP, the data that protocols such as LWM2M were uploaded, realize that multi-protocol uploads and supports, be in the same place multiple functions integration, the heterogeneous problem of field communication has been solved, upload the single problem of protocol.

(2) The utility model discloses be equipped with storage module, can realize the on-the-spot storage of data, show the data of gathering through display module, show in real time to the communication state of each serial ports through the status indication module, realize reporting to the police when the communication is unusual through warning drive circuit. The system integrates multiple functions, realizes on-site acquisition of multi-protocol data, analysis, storage, display and uploading, and can solve the problem of data acquisition of communication heterogeneity in different scenes. The gateway has comprehensive functions, is small in size, is convenient to install on site, can quickly realize on-site debugging through the state indicating module, reduces the on-site workload, has strong applicability, saves the time of engineering technicians, and is easy to popularize on a large scale.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a block diagram of the present invention;

fig. 2 is a block diagram of the overall structure of the present invention;

fig. 3 is a circuit diagram of the main control module of the present invention;

fig. 4 is a circuit diagram of a 485 communication unit of the present invention;

fig. 5 is a circuit diagram of the display module, the serial port screen communication unit, the ac power supply unit, and the wireless 4G upload unit of the present invention;

fig. 6 is a circuit diagram of a status indication module of the present invention;

fig. 7 is a circuit diagram of the alarm driving circuit of the present invention;

FIG. 8 is a circuit diagram of the SD card memory unit of the present invention;

fig. 9 is a circuit diagram of a data storage unit of the present invention;

fig. 10 is a circuit diagram of the ethernet control circuit of the present invention;

fig. 11 is a circuit diagram of the internet access data uploading unit of the present invention;

fig. 12 is a circuit diagram of the USB communication unit of the present invention;

FIG. 13 is a circuit diagram of an external crystal oscillator circuit and RTC clock circuit of the present invention;

fig. 14 is a circuit diagram of the dc power supply unit of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1 to 14 simultaneously, the utility model relates to a preferred embodiment provides a multi-protocol data acquisition gateway system, upload the module including host system, collection communication module and data, collection communication module, data upload the module all with the host system electricity is connected, realizes that collection communication module transmits the data of gathering for host system and upload the server through data upload module with data, collection communication module includes 485 communication unit, USB communication unit and serial ports screen communication unit, 485 communication unit, USB communication unit and serial ports screen communication unit are used for the information acquisition and the communication of different serial ports equipment.

Specifically, as shown in fig. 1, in this embodiment, the main control module uses a main control chip U1 of the STM32F103VET6, a 485 communication unit, a USB communication unit, and a serial port screen communication unit are designed, data of protocol devices such as MODBUS, BACNET, CJ/T188, DL/T645 and the like can be collected, and the data is uploaded to the server through the internet access data uploading unit and the wireless 4G uploading unit, and the server uses a multi-protocol compatible design and can use data uploaded by protocols such as MQTT, CoAP, HTTP, LWM2M and the like, so that multi-protocol uploading support is realized, multiple functions are integrated together, and the problem of field communication heterogeneity and single uploading protocol is solved.

Further, as shown in fig. 2, the portable terminal further comprises a storage module, a display module, a status indication module and an alarm driving circuit, wherein the storage module, the display module, the status indication module and the alarm driving circuit are electrically connected with the main control module, the storage module is used for storing data locally, the display module is used for displaying collected data, and the status indication module is used for indicating a communication status, so that the alarm driving circuit is used for driving an alarm to give an alarm when the communication is abnormal.

Specifically, the utility model discloses in realize the on-the-spot storage of data through storage module, show the data of gathering through display module, show the communication state of each serial ports in real time through status indication module, realize reporting to the police when the communication is unusual through warning drive circuit. The system integrates multiple functions, realizes on-site acquisition of multi-protocol data, analysis, storage, display and uploading, and can solve the problem of data acquisition of communication heterogeneity in different scenes. The gateway has comprehensive functions, is small in size, is convenient to install on site, can quickly realize on-site debugging through the state indicating module, reduces the on-site workload, has strong applicability, saves the time of engineering technicians, and is easy to popularize on a large scale.

In this embodiment, as shown in fig. 2 and 3, the main control module is further connected to an external crystal oscillator circuit and an RTC clock circuit, the external crystal oscillator circuit is configured to provide a stable pulse signal to the main control module, and the RTC clock circuit is configured to provide time and date information to the main control module. Specifically, the main control module comprises a chip U1, the model of the chip U1 is STM32F103VET6, the external crystal oscillator circuit comprises a crystal oscillator Y1, the crystal oscillator Y1 is connected with

pins

12 and 13 of the chip U1, and the crystal oscillator Y1 is used for providing a stable pulse signal for the chip U1 so as to ensure the stable operation of the internal program of the chip U10. The RTC clock circuit comprises a crystal oscillator Y2, a crystal oscillator Y2 is connected with

pins

8 and 9 of the chip U1, and a crystal oscillator Y2 is used for providing BCD codes for the chip U1 to represent time, date and the like for displaying time.

Further, as shown in fig. 3 and 4, the 485 communication unit includes a plurality of 485 interfaces having the same connection structure, in this embodiment, specifically, two 485 interfaces are provided, which are P3 and P8, the 485 interface P8 is connected to a chip U8, the model of the chip U8 is MAX485, the RO and DI ports of the chip U4 are connected to a dial switch B1, the dial switch B1 is connected to the chip U1, and the communication address and protocol are switched by the dial switch B1, so as to realize the communication between the 485 interface P8 and the chip U1.

Further, as shown in fig. 3 and 5, the serial port screen communication unit includes a serial port screen interface P17, the serial port screen interface P17 is connected to the chip U1 through the dial switch B1, and the serial port screen interface P17 is used for communicating with a display screen on site to perform data display.

Further, as shown in fig. 3 and 12, the USB communication unit includes a USB interface and a USB conversion circuit, the USB conversion circuit includes a chip U5, the model of the chip U5 is CH340G, the USB interface is connected to the D + and D-ports of the chip U5, and the RXD and TXD of the chip U5 are connected to the chip U1 via the dial switch B1. Specifically, the chip U5 is a USB serial port conversion chip, and is used for level conversion so that signals of a USB serial port can be smoothly transmitted to the chip U1, the X0 and XI ports of the chip U5 are connected with the crystal oscillator Y4, and the crystal oscillator Y4 is used for providing accurate pulse signals for the chip U5.

Further, as shown in fig. 3, 10, and 11, the data upload module includes a network port data upload unit and a wireless 4G upload unit, the network port data upload unit includes a plurality of network interfaces, and each of the network interfaces is connected to the main control module through an ethernet control circuit. Specifically, in this embodiment, dual network interfaces are adopted, specifically, network interfaces JR and JR1 are adopted, the connection structures of the network interfaces JR and JR1 are similar, and the network interface JR is taken as an example for explanation, the ethernet control circuit includes a chip U10, the chip U10 is a W5500 ethernet chip, RD +, RD-ports of the network interface JR are connected to 6 and 5 pins of the chip U10 through a capacitor C32 and a capacitor C33, respectively, MOSI, MISO, and SCLK ports of the chip U10 are connected to PB15, PB14, and PB13 ports of the chip U1, so that data of the main control module is transmitted to the network interface JR through the ethernet control circuit, and is uploaded to the server through the network interface JR.

As shown in fig. 3 and 5, the wireless 4G upload unit includes a 4G interface P15, and USART3_ TX and USART3_ RX ports of the 4G interface P15 are correspondingly connected with PB10 and PB11 ports of the chip U1, so as to implement communication and upload of data of the main control module to the server through the 4G interface P15. Through two uploading modes of a wireless network and 4G, data uploading is more convenient and strong in adaptability.

In the present invention, preferably, as shown in fig. 3, 8 and 9, the storage module includes an SD card storage unit and a data storage unit, the SD card storage unit includes an SD card J11, a DAT0 to DAT3 port of the SD card J11 is correspondingly connected to

pins

65, 66, 78 and 79 of the chip U1, and the SD card J11 is used for storing management files. The data storage unit comprises a chip U10, pins 5 and 6 of the chip U10 are connected with

pins

15 and 16 of the chip U1, the model of the chip U10 is AT24C02, and the chip is fast in data transmission, long in storage time and low in power consumption and is used for storing data in a communication process.

In the present invention, preferably, as shown in fig. 5, the display module includes an OLED display screen, and the OLED display screen is connected to the pins 58 to 62 of the chip U1 for displaying the collected data on the gateway. The state indicating module comprises indicator lights LED 1-LED 7, the indicator lights LED 1-LED 7 are correspondingly connected with the ports from PE8 to PE13 of the chip U1, and the indicator lights LED 1-LED 7 are respectively used for indicating the information transmission states of two 485 communications, USB communications, serial port screen communications, two network interface communications and 4G communications.

The utility model discloses in, it is preferred, as shown in fig. 7, the warning drive circuit includes alarm interface P6, alarm interface P6 is connected with chip U1's PB8 port through MOS pipe Q1, MOS pipe Q2, resistance R72, and when the communication is unusual, chip U1 control MOS pipe Q1, MOS pipe Q2 are opened and are reported to the police with the alarm that the drive is connected with alarm interface P6.

The utility model discloses in, as shown in fig. 5, 14, still be equipped with power module, power module includes DC power supply unit and AC power supply unit, and the DC power supply unit includes chip U3, the chip U3 model is XL1509, and chip U3's input is connected with power connection terminal P2 through electric capacity C16, electric capacity CAP1, fuse F1, and power connection terminal P2 is external power source, and power connection terminal P2 exports 7 ~ 40V's direct current for the system power supply after chip U3 carries out the pressure regulating. In this embodiment, an ac power supply unit may also be used to supply ac power, and the ac power supply unit includes an ac power supply port P18 through which 220V ac power can be directly introduced for power supply.

In the present embodiment, the operation principle is:

firstly, carry out information acquisition to the equipment that has different communication serial ports through 485 communication unit, USB communication unit and serial ports screen communication unit to transmit for host system after carrying out address identification and communication protocol switching through dial-up switch B1, host system receives the information of gathering and carries out conversion processing to the information, carry out data storage through the data memory cell, the display module is used for showing the data of gathering, the information after the conversion is uploaded to the server in through net gape data upload element or wireless 4G upload element. Meanwhile, in the process, the state indicating module indicates the communication state of each process in real time, once communication abnormity occurs in the middle, the main control module sends an instruction to the alarm driving circuit, and the alarm gives an alarm to prompt workers.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims

1. The utility model provides a multi-protocol data acquisition gateway, its characterized in that, includes host system, collection communication module and data upload module, collection communication module, data upload module all with the host system electricity is connected, realizes that collection communication module transmits the data of gathering for host system and upload the server through data upload module with data, collection communication module includes 485 communication unit, USB communication unit and serial ports screen communication unit, 485 communication unit, USB communication unit and serial ports screen communication unit are used for the information acquisition and the communication of different serial ports equipment.

2. The multi-protocol data acquisition gateway of claim 1, further comprising a storage module and a display module, wherein the storage module and the display module are both electrically connected to the main control module, the storage module is used for locally storing data, and the display module is used for displaying acquired data.

3. The multi-protocol data acquisition gateway according to claim 2, further comprising a status indication module and an alarm driving circuit, wherein the status indication module and the alarm driving circuit are electrically connected to the main control module, and the status indication module is used for indicating the communication status, so that the alarm driving circuit is used for driving an alarm to give an alarm when the communication is abnormal.

4. The multi-protocol data acquisition gateway of claim 3, wherein the data upload module comprises an internet access data upload unit and a wireless 4G upload unit, the internet access data upload unit comprises a plurality of network interfaces, and each network interface is connected to the main control module through an Ethernet control circuit.

5. The multi-protocol data acquisition gateway of claim 2, wherein the storage module comprises an SD card storage unit and a data storage unit, the SD card storage unit comprises an SD card J11, ports DAT0 to DAT3 of the SD card J11 are connected with the main control module, the data storage unit comprises a chip U10, and pins 5 and 6 of the chip U10 are connected with the main control module.

6. The gateway of claim 1, wherein the 485 communication unit comprises a plurality of 485 interfaces, the 485 interfaces are connected with a chip U4, and the chip U4 is connected with the main control module.

7. The multi-protocol data acquisition gateway of claim 1, wherein the USB communication unit comprises a USB interface and a USB conversion circuit, the USB conversion circuit comprises a U5 chip, the USB interface is connected to the D + and D-ports of the U5 chip, and the RXD and TXD of the U5 chip are connected to the host control module.

8. The multi-protocol data acquisition gateway of claim 1, wherein the serial port screen communication unit comprises a serial port screen interface P17, and the serial port screen interface P17 is used for communicating with a display screen on site for data display.

9. The multi-protocol data acquisition gateway of claim 4, wherein the master control module is further connected to an external crystal oscillator circuit and an RTC clock circuit, the external crystal oscillator circuit is configured to provide a stable pulse signal to the master control module, and the RTC clock circuit is configured to provide time and date information to the master control module.

10. The multi-protocol data acquisition gateway of claim 1 wherein the master control module comprises a chip U1, the model of the chip U1 being STM32F103VET 6.