CN210983389U

CN210983389U - Multi-type interface concentrator

Info

Publication number: CN210983389U
Application number: CN201922441527.9U
Authority: CN
Inventors: 庞富强; 肖会长; 任中伟; 韩阳芳
Original assignee: Shanghai Asia & Pacific Computer Information System Co ltd
Current assignee: Shanghai Asia & Pacific Computer Information System Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-07-10
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a multi-type interface concentrator, which relates to the field of computer interfaces and comprises a network interface, a core processor, a coprocessor, a network transceiver module, a serial port conversion module, a serial port and a power supply module; the network interface is used for carrying out TCP communication, data are transmitted to the core processor through the network transceiver module, the core processor is electrically connected with the coprocessor through an SPI bus, and the coprocessor transmits the data to the serial port through the serial port conversion module to complete the conversion process of the data interface. Through the utility model discloses an implement, can solve the data conversion problem in special field like china petrochemical industry management and control system.

Description

Multi-type interface concentrator

Technical Field

The utility model relates to a computer interface technical field especially relates to a polymorphic type interface concentrator.

Background

A Chinese petrochemical management and control system used in a Chinese petrochemical gas station starts informatization transformation in 2002, and communication connection and operation are carried out on Chinese petrochemical management and control system software and various serial port peripheral equipment.

Therefore, the utility model provides a develop a polymorphic type interface concentrator, the orientation uses for special field, for example, china petrochemical industry management and control software carries out the communication with various serial ports peripheral equipment and uses, adopts the modularized design thinking, has solved above-mentioned problem effectively to reduce system implementation cost.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defect of prior art, the utility model aims to solve the technical problem that through rational design, adopt the modularized design thinking, effectively solve special field and use, for example, the implementation problem of china petrochemical industry management and control and various serial ports peripheral equipment communications.

In order to achieve the above object, the utility model provides a multi-type interface concentrator, which is characterized in that the concentrator comprises a network interface, a core processor, a coprocessor, a network transceiver module, a serial port conversion module, a serial port and a power supply module; the network interface is used for carrying out TCP communication, data are transmitted to the core processor through the network transceiver module, the core processor is electrically connected with the coprocessor through an SPI bus, and the coprocessor transmits the data to the serial port through the serial port conversion module to complete the conversion process of the data interface.

Furthermore, the power supply module comprises an incoming line lightning protection module, a switch power supply module and a power supply conversion module, the incoming line lightning protection module is externally connected with a power supply, the output end of the incoming line lightning protection module is connected to the input end of the switch power supply module and used for incoming line lightning protection, the output end of the switch power supply module is connected to the input end of the power supply conversion module, and the power supply conversion module outputs power supply voltages at different levels.

Further, the number of the core processors is one, and the number of the coprocessors is one or more.

Further, the transmission speed of the SPI bus is 25 Mbps.

Furthermore, the connection between the coprocessor and the serial port conversion module adopts a UART interface.

Furthermore, the number of the serial port conversion modules is 1 or more.

Further, the type of the serial port conversion module is one or more of a three-wire current loop, a two-wire current loop, RS422, RS485 and RS232, and the serial port conversion module sends and receives serial port signals of corresponding types.

Furthermore, the serial port conversion module adopts a modular combination mode, can be combined at will according to actual conditions, and is connected to one or more serial ports.

Further, a serial port lightning protection module is arranged between the serial port conversion module and the serial port and used for lightning protection of the serial port.

Furthermore, the network interface and the serial port both adopt RJ45 connectors.

Compared with the prior art, the utility model has the advantages that the design of this kind of polymorphic type interface concentrator is reasonable, and the practicality is strong, through serial ports modularization combination thinking, the drive support of two kinds of versions L inux, has solved the data conversion problem in special field like the petrochemical industry management and control system in China effectively.

The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.

Drawings

FIG. 1 is a schematic diagram of the application of a preferred embodiment of the present invention in a Chinese petrochemical management and control system;

FIG. 2 is a schematic diagram of the operation of a preferred embodiment of the present invention;

fig. 3 is a drive mounting interface of a preferred embodiment of the present invention.

Detailed Description

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings for clarity and understanding of the technical contents. The present invention may be embodied in many different forms of embodiments, and the scope of the invention is not limited to the embodiments described herein.

In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.

As shown in fig. 1, the utility model provides a pair of polymorphic type interface concentrator, driver support 32 bit and 64 bit L inux operating system, 32 bit management and control system (Turbo L inux4.0) and the china petrochemical industry fuel truck management and control system 3.0(Centos 7.3) that well petrochemical industry fuel truck system had the use now support three-wire current ring, two-wire current ring, RS422, RS485, RS232, net gape full series interface type, can satisfy with the demand of different filling station equipment (like the tanker aircraft, gas dispenser, the level gauge, the card reader, POS machine) communication.

The operating principle of the multi-type interface concentrator is that a core processor receives or sends a TCP data packet with a specific port number, the TCP data packet is transmitted to a coprocessor at the speed of 25Mbps through an SPI high-speed bus, the coprocessor judges and sends the TCP data packet to 16 corresponding serial ports, and serial port data realize bidirectional data communication through a special conversion module and five corresponding serial port signals. The conversion modules comprise a three-wire current ring, a two-wire current ring, an RS422, an RS485 and an RS232, corresponding serial port signals are received, modular production can be realized, various conversion modules are combined at will, the structure of the management and control system is simplified, and operation and maintenance cost is saved.

As shown in fig. 2, a preferred embodiment of the present invention includes a power module 1, a core processor 2, a coprocessor 3, a network transceiver module 4, a serial port conversion module 5, a network interface 6, and a serial port 7. The power supply module 1 comprises an incoming line lightning protection module 11, a switch power supply module 12 and a power supply conversion module 13, wherein the incoming line lightning protection module 11 is externally connected with a 220V power supply and is used as the input of the switch power supply module 12, the switch power supply module 12 outputs 12V direct-current voltage, all levels of voltage required by the mainboard are obtained through the power supply conversion module 13, and the power supply conversion module 13 adopts a TPS54360 chip. The core processor 2 adopts 454MHz ARM9 treater, communicate with the network transceiver module 4 that the main control chip is DP83848KSQ, receive or send the TCP data package of specific port number, convey two coprocessor 3 with 25Mbps speed through SPI high speed bus, coprocessor 3 adopts 180MHz Cortex M4 microcontroller, every coprocessor 3 communicates through 8 UART mouth and 4 serial

ports conversion module

5, 4 serial ports conversion module 5 adopt the lightning protection design, the external interface is 8 serial ports 7, the external interface network interface 6 and the serial ports 7 of network transceiver module 4 all adopt the RJ45 connector.

The multi-type interface concentrator structure adopts an explosion-proof type, supports reliable work in an explosive gas environment, and obtains an explosion-proof certificate.

The multi-type interface concentrator conforms to the electromagnetic compatibility design, and obtains the EMC detection report of the national industrial control system safety and automatic instrument quality supervision and inspection center.

The driver installation interface of the multi-type interface hub is shown in fig. 3.

The utility model supports the full series of interface types, the modular design and different driving types, and effectively solves the problems in data conversion; above-mentioned utility model example still considers explosion-proof design, has solved the adverse circumstances in the implementation process, improves the product availability.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the teachings of this invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. A multi-type interface concentrator is characterized by comprising a network interface, a core processor, a coprocessor, a network transceiving module, a serial port conversion module, a serial port and a power supply module; the network interface is used for carrying out TCP communication, data are transmitted to the core processor through the network transceiver module, the core processor is electrically connected with the coprocessor through an SPI bus, and the coprocessor transmits the data to the serial port through the serial port conversion module to complete the conversion process of the data interface.

2. The multi-type interface hub of claim 1, wherein the power module comprises an incoming lightning protection module, a switching power module and a power conversion module, the incoming lightning protection module is externally connected to a power supply, the incoming lightning protection module output is connected to the switching power module input for incoming lightning protection, the switching power module output is connected to the power conversion module input, and the power conversion module outputs power voltages of various levels.

3. The multi-type interface hub of claim 1, wherein the number of core processors is one and the number of co-processors is one or more.

4. The multi-type interface hub of claim 1, wherein a transmission speed of the SPI bus is 25 Mbps.

5. The multi-type interface hub of claim 1, wherein the connection between the co-processor and the serial port translation module employs a UART interface.

6. The multi-type interface hub of claim 1, wherein the number of serial port translation modules is 1 or more.

7. The multi-type interface hub of claim 1, wherein the type of the serial port conversion module is one or more of a three-wire current loop, a two-wire current loop, RS422, RS485 and RS232, and the serial port conversion module sends and receives serial port signals of corresponding types.

8. The multi-type interface hub of claim 1, wherein the serial port conversion module is in a modular combination mode, and can be arbitrarily combined according to actual conditions, and is connected to one or more serial ports.

9. The multi-type interface hub of claim 1, wherein a serial lightning protection module is disposed between the serial port conversion module and the serial port for lightning protection of the serial port.

10. The multiple-type interface hub of claim 1, wherein the network interface and serial port each employ an RJ45 connector.