DCPL field bus of network intelligent meter measuring terminal and network subscription bridge

A network intelligence, field bus technology, applied in metering/billing/accounting devices, data exchange networks, variable measurement arrangements, etc., can solve problems such as incompatibility and inability to realize IC card information exchange

Inactive Publication Date: 2004-03-31
郭建国 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In particular, it is pointed out that the collector and area machine (or meter reading device) in the existing pulse-type remote transmission three-meter reading system cannot realize the function of information interaction with the IC card of the cardholder in the outdoor public environment, and is not suitable for Requirements for DCPL fieldbus network bridging in the present invention

Method used

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  • DCPL field bus of network intelligent meter measuring terminal and network subscription bridge
  • DCPL field bus of network intelligent meter measuring terminal and network subscription bridge
  • DCPL field bus of network intelligent meter measuring terminal and network subscription bridge

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Example 1, refer to Figure 1 to Figure 3 : The main features of DCPL field bus, network pre-charging bridge and its network smart meter metering terminal circuit are that the cardholder's IC card is contacted through the network pre-charging bridge to swipe the card, and the data on the user's IC card is passed through the network. The pre-charging network bridge reads, writes and manages, and sends the data on the user's IC card to the user's network smart meter metering terminal through the DCPL network for interactive display of information. refer to Figure 9 : The working principle of the slave communication circuit In the block diagram of the working principle of the slave communication circuit, the two endpoints of the MBU are the DCPL network access endpoints. The host DCPL network field bus provides a safe power supply of 36VDC or below 36VDC, and is connected to the MBU of several slave communication circuits through the bus. On the two endpoints, the diode b...

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PUM

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Abstract

The invention is DCPL field bus of network intelligent meter gauge end. The host connects with several field slave machines which are several network intelligent water meter end, gas meter end and home distribution end respectively. Connects several field slave machines and addressing remote digital correspondence function through a twisted pair line, and provides the field bus of direct current power. The network prepaying bridge sets CPU, data storing chip, analog switch, displaying circuit, light coupler and correspondence chip connected through MODEM chip, the CPU also connects with radiofrequency read/write model, the user forms outdoor card brushing information interactive. The host of bridge connects with DCPL field bus ports of slave machines; connects with RS485 or CAN bus portsof housing estate managing computer. The IC card is brushed without contact through bridge, and the data are transmitted to user network intelligent meter gauge end through DPCL.

Description

technical field [0001] The invention relates to a DCPL field bus of a network intelligent meter metering terminal and a network pre-charging network bridge, namely: a DCPL network intelligent water meter terminal, a DCPL network intelligent gas meter terminal, and a DCPL network intelligent home user power distribution terminal DCPL field bus , and a network pre-charging bridge matching the bus to establish a network platform for accessing the DCPL communication structure. The DCPL is: DirectCurrent Power Line. Background technique [0002] There are many kinds of existing field buses, the main ones are: FF (Founda, tionfieldbus), control area network CAN (Controller Area Netwoek), local operation network Lon Works (locaIOperating Network), process field bus PROFIBUS (Process FieldBus) and HART Protocol (Highway Addressable Remote Transducer) and DeviceNet, ControlNet, P-NET, RS485, etc. None of the existing fieldbuses mentioned above can be directly applied to network sma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D1/00G01F15/06H04L12/14H04L12/24H04L12/28
Inventor 郭建国顾金良
Owner 郭建国
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