CN201204596Y

CN201204596Y - Data transformation and transmission equipment for monitoring system

Info

Publication number: CN201204596Y
Application number: CNU2008200011275U
Authority: CN
Inventors: 张颖
Original assignee: SIBEICHI SCIENCE AND TECHNOLOGY Co Ltd BEIJING
Current assignee: BEIJING CPC TECHNOLOGY CO., LTD.
Priority date: 2008-01-17
Filing date: 2008-01-17
Publication date: 2009-03-04
Anticipated expiration: 2018-01-17

Abstract

A data conversion and transmission equipment is capable of transforming and transmitting computer network data packet and serial communication data; a mutual conversion of the network data packet format and serial communication data is completed to make a computer to transmit/receive network data packet in a data monitoring system, and the data conversion is completed by the data conversion and transmission equipment which is used for a data monitoring collection device for controlling a bottom layer to use the serial communication format such as RS232 or RS485; the utility model replacing the existing front-end machine, combining a multi-serial mouth insertion card and a multi-serial mouth external expanding box, forms a combined equipment which has a simplified structure without software support.

Description

A kind of data transaction of supervisory control system and transmission equipment

Affiliated technical field

The utility model relates to a kind of data transaction and transmission equipment, especially a kind of can the conversion and transmission equipment network data and the mutual data converted of serial communication data.

Background technology

In computer application system, except the computer equipment and the network equipment are arranged, also has several data transmission equipment composition data network, particularly in data monitoring system, the data of underlying device just can enter into database through the transfer of data and the data transaction of multi-stage data transmission equipment, include the several data transmission means in the transmission, the data transmission procedure complexity, transmission course is many.

Serial datas such as RS232 in the past or RS485 are to the conversion between the computer network, adopting front end processor and multi-serial port equipment to cooperate realizes, front end processor is a general industry control computer, is connected with exchange data using network between other equipment on the computer network; Multi-serial port equipment is made up of inner plug-in card of industrial control computer and outside expansion box, as the many serial equipments of MOXA series, multi-serial port equipment needs special-purpose drive software support hardware operation, need the software of design specialized to send, receive, handle and preserve data, complex structure, use loaded down with trivial detailsly, the cost height often needs maintenance software.

Summary of the invention

For the simplified apparatus structure, reduce cost, improve reliability, can adapt to various operational environments, the utility model provides a kind of new solution equipment, solved the transfer problem between network data and RS232 or the RS485 serial communication data, the utility model adopts a small hardware DeviceMode to replace original front end processor and two equipment of multi-serial port equipment, the utility model upper end in system is connected with Ethernet, directly and the database server swap data, the lower end is a plurality of serial communication interfaces, can connect a plurality of equipment with serial communication interface, as monitor terminal, The Cloud Terrace etc., PC just can be finished Data Transport Protocol on the utility model employing network, settings such as speed, compare with the combination of front end processor and multi-serial port equipment, volume is reduced to has only a hub size, an outside expansion box that only is equivalent to multi-serial port equipment, novel in design, device structure is simple, easy to use, the fault point is few, and can join the combination of multi-serial port equipment with original front end processor and exchange, and goes for all upper ends and is network, the lower end is in the supervisory control system of serial port terminal.

The data transaction of a kind of supervisory control system of described utility model and transmission equipment are installed in the data monitoring system network, the network port of described utility model connects the computer network of data monitor center, a plurality of COM port connect bottom data monitoring collecting device respectively, data service platform in the data monitor center network is automatic or manual when underlying device is operated, underlying device sent read monitor data or data command is set, and operations such as underlying device parameter are set, this instruction sends on the data transaction and transmission equipment of described utility model by network packet, described utility model is converted to serial data to this instruction from network packet, send on the underlying device by serial port, or, send on the underlying device through data transmission set; The data that underlying device is returned send on the serial port of described utility model, or the data that the process data transmission set returns send on the serial port of described utility model, described utility model serial data is converted to equipment such as computer can receive with network packet, send on the equipment such as computer, finish data monitor center and bottom data data transfer between devices and conversion.

The data transaction of a kind of supervisory control system of described utility model and transmission equipment are made up of Network Interface Module, network control module, multi-serial port interface module, multi-serial port control module etc.; Network Interface Module is connected with network control module, and network control module is connected with the multi-serial port control module, and the multi-serial port control module is connected with the multi-serial port interface module.

According to the environment for use difference, can adjust equipment serial port quantity and serial port communication mode by configuration multi-serial port interface module, adapt to underlying device communication port quantity and data transmission set interface case.

Description of drawings

Fig. 1 is that the utility model is used schematic diagram in system.

Fig. 2 is the utility model internal structure schematic diagram

Fig. 3 is circuit theory Fig. 1 of the present utility model.

Fig. 4 is circuit theory Fig. 2 of the present utility model.

Embodiment

As shown in Figure 1, it is typical a monitoring in the application system that comprises described utility model, form by some computers 1, include equipment such as server, service desk, all computers connect by network 2, and described utility model 3 is being connected (or the transmission equipment network 5 of the process communications industry is connected between the bottom data equipment 4) between network 2 and the bottom data equipment 4; The transmission data are network packet between described utility model 3 and the network 2, and the transmission data are serial datas such as RS232 or RS485 between described utility model 3 and bottom data equipment 4 and the transmission equipment network 5.

As shown in Figure 2, described utility model mainly is made up of Network Interface Module, network control module, serial port control module, serial port interface module; Network Interface Module is connected with network control module, and network control module is connected with the multi-serial port control module, and the multi-serial port control module is connected with the multi-serial port interface module.

As shown in Figure 3, Figure 4, be the major part of the physical circuit of described utility model, Network Interface Module includes: network interface terminal J3, interface isolated component U7, network transmitting-receiving treatment element U5; Network control module includes: data processing single-chip microcomputer U6; The serial port control module includes: data processing single-chip microcomputer U1; The serial port interface module includes: data handling component U2, U3, interface level conversion element U4, serial port Interface Terminal J1, J2; In concrete the enforcement, interface isolated component U7 is an interface transformer element 20F001N; Network transmitting-receiving treatment element U5 is an Ethernet transmitting-receiving treatment element, and the Internet protocol data and single-chip microcomputer deal with data form are exchanged processing; Data processing single-chip microcomputer U6 is network data processing single chip computer AT 89C52, and processing is analyzed and exchanged to network data and serial data; Data processing single-chip microcomputer U1 is the serial port Data Control single chip computer AT MEGA64 of a multiport single-chip microcomputer, carries out the serial port data and comprehensively exchanges processing with many each SPI ports; Data handling component U2, U3 are serial port data processing single chip computer AT MEGA8, and SPI port data and serial port data are exchanged processing, and interface level conversion element U4 is MAX232, are used for the level conversion of Transistor-Transistor Logic level and standard serial mouth RS232C.

Specifically be connected to: 1 of Interface Terminal J3,2,3,16 of 6 pin difference connection interface transformer element U7,14,11,9 pin, 1 of interface transformer element U7,2,7,8 pin meet 45 of Ethernet transmitting-receiving treatment element U5 respectively, 46,59,58 pin, 29 of Ethernet transmitting-receiving treatment element U5,30 pin meet 17 of network data processing single-chip microcomputer U6 respectively, 16 pin, 5 of Ethernet transmitting-receiving treatment element U5,7,8,9,10,11,12,13 pin meet 21 of network data processing single-chip microcomputer U6 respectively, 22,23,24,25,26,27,28 pin, 36 of Ethernet transmitting-receiving treatment element U5,37,38,39,40,41,42,43 pin meet 39 of network data processing single-chip microcomputer U6 respectively, 38,37,36,35,34,33,32 pin, 10 of network data processing single-chip microcomputer U6,11 pin meet 2 of serial port Data Control single-chip microcomputer U1 respectively, 3 pin, 11 of serial port Data Control single-chip microcomputer U1,12,13 pin are respectively the SCK of spi bus, MOSI, the MISO data wire, the SCK of this spi bus, MOSI, the MISO data wire can connect a plurality of spi bus interface chip elements that have, be used for the extended serial mouth, in this example, 2 serial port data handling components in parallel on spi bus, 17 of serial port data handling component U2,15,16 pin respectively with 17 of serial port data handling component U3,15,16 pin are connected in parallel respectively, be parallel to the spi bus SCK of serial port Data Control single-chip microcomputer U1 again, MOSI, on the MISO data wire, 61 of serial port Data Control single-chip microcomputer U1,60 pin connect 14 pin of serial port data handling component U2 and 14 pin of serial port data handling component U3 respectively, 30 of serial port data handling component U2,9 of 31 pin difference connection interface level conversion element U4,10 pin, 30 of serial port data handling component U3,12 of 31 pin difference connection interface level conversion element U4,11 pin, 8 of interface level conversion element U4,7 pin meet 2 of serial port Interface Terminal J2 respectively, 3,5 pin, 13 of interface level conversion element U4,14 pin meet 2 of serial port Interface Terminal J1 respectively, 3,5 pin.

According to the needs of extended serial mouth, can on spi bus, add above 100 serial port data handling component and interface level conversion elements with spi bus interface, expand the serial communication interface more than 100.

Other parts such as memory circuitry, power circuit etc. are known technology in the circuit, no longer narrate at this.

Claims

1. the data transaction of a supervisory control system and transmission equipment, form by Network Interface Module, network control module, multi-serial port interface module, multi-serial port control module etc., it is characterized in that: Network Interface Module is connected with network control module, network control module is connected with the multi-serial port control module, and the multi-serial port control module is connected with the multi-serial port interface module.

2. according to the data transaction and the transmission equipment of the described a kind of supervisory control system of claim 1, it is characterized in that: Network Interface Module includes: network interface terminal (J3), interface isolated component (U7), network transmitting-receiving treatment element (U5); Network control module includes: data processing single-chip microcomputer (U6); The serial port control module includes: data processing single-chip microcomputer (U1); The serial port interface module includes: data handling component (U2), (U3), interface level conversion element (U4), serial port Interface Terminal (J1), (J2); 1 of network interface terminal (J3), 2,3,16 of 6 pin difference connection interface isolated components (U7), 14,11,9 pin, 1 of interface isolated component (U7), 2,7,8 pin connect 45 of network transmitting-receiving treatment element (U5) respectively, 46,59,58 pin, 29 of network transmitting-receiving treatment element (U5), 30 pin connect 17 of data processing single-chip microcomputer (U6) respectively, 16 pin, 5 of network transmitting-receiving treatment element (U5), 7,8,9,10,11,12,13 pin connect 21 of data processing single-chip microcomputer (U6) respectively, 22,23,24,25,26,27,28 pin, 36 of network transmitting-receiving treatment element (U5), 37,38,39,40,41,42,43 pin connect 39 of data processing single-chip microcomputer (U6) respectively, 38,37,36,35,34,33,32 pin, 10 of data processing single-chip microcomputer (U6), 11 pin connect 2 of data processing single-chip microcomputer (U1) respectively, 3 pin, 11 of data processing single-chip microcomputer (U1), 12,13 pin connect 17 of data handling component (U2) respectively, 15,16 pin, 11 of data processing single-chip microcomputer (U1), 12,13 pin connect 17 of data handling component (U3) respectively, 15,16 pin, 61 of data processing single-chip microcomputer (U1), 60 pin connect 14 pin of data handling component (U2) and 14 pin of data handling component (U3) respectively, 30 of data handling component (U2), 9 of 31 pin difference connection interface level conversion elements (U4), 10 pin, 30 of data handling component (U3), 12 of 31 pin difference connection interface level conversion elements (U4), 11 pin, 8 of interface level conversion element (U4), 7 pin connect 2 of serial port Interface Terminal (J2) respectively, 3,5 pin, 13 of interface level conversion element (U4), 14 pin connect 2 of serial port Interface Terminal (J1) respectively, 3,5 pin.