CN202261339U - Electric power telecontrol channel tester - Google Patents

Abstract

The utility model relates to an electric power telecontrol channel tester comprising a data processing control module, a network channel monitoring module and a channel switching module. The electric power telecontrol channel tester is characterized in that: the data processing control module is connected with the channel switching module; the data processing control module is connected with the network channel monitoring module; a data storage module is connected with the data processing control module; a key-board control module is connected with the data processing control module; a liquid crystal display is connected with the data control module; the channel switching module is respectively connected with a serial port controller, an analog channel and a network channel; and a serial port switching module is respectively connected with an RS232 channel, an RS485 channel and an RS422 channel. The electric power telecontrol channel tester has the advantages of being able to complete the test for all the communication modes of the electric power telecontrol channel, and having plentiful types of serial port channels and online monitoring function for the network channel, thus significantly facilitating the live debugging person and improving the work efficiency.

Description

Power remote lane testing appearance

Affiliated technical field

The utility model relates to a kind of portable power telemechanical communication synthesis test instrumentation, particularly can realize online monitoring, data analysis function to network channel.

Background technology

At present; The power remote communication system does not also have a portable comprehensive test instrumentation truly; Most similar instrumentation all can only be tested RS232 serial ports digital channel; The carrier signal of all right test simulation of minority instrument can not satisfy the demands under the present situation that network channel is popularized gradually.Network channel is because communication speed is fast; Contain much information, in the valid data transmission course a large amount of network message heads is arranged, all test has brought very big difficulty to network channel for these; Though the image feature through switch can be analyzed network data; But prerequisite is to compare complex setting to switch, is provided with to restart switch after the completion and also need the long time, and these all can bring influence to the passage of other operate as normal.

Summary of the invention

In order to realize the full test function of power remote passage; The utility model provides a kind of portable power telecontrol channel tester; It not only can test traditional audio frequency, serial ports passage, supports all communications protocol of current power industry, data that can also the on-line testing network channel; Find fault point, the failure cause of network channel rapidly; And can be provided with according to application layer protocol communication data is filtered, application layer data is preserved supplied the technical staff to analyze, in the process of network test, do not influence the normal data communication.

The utility model solves the technical scheme that its technical problem adopted:

A kind of power remote lane testing appearance comprises data processing and control module (1), network channel monitor module (10), channel switching module (2), it is characterized in that:

Data processing and control module (1) is connected with channel switching module (2); Data processing and control module (1) is connected with network channel monitor module (10); Data memory module (11) is connected with data processing and control module (1); Keyboard Control module (13) is connected with data processing and control module (1); Liquid crystal display screen (12) is connected with Data Control module (1); Channel switching module (2) is connected with serial ports controller (3), analog channel (4), network channel (5) respectively; Serial ports handover module (6) is connected with RS232 passage (7), RS485 passage (8), RS422 passage (9) respectively.

The utility model utilizes high performance data processing and control module, and the test function of integration serial ports passage, analog channel and network channel can be simulated main website respectively and substation makes an experiment to equipment to be tested.Both can show the communication source code during test; Also can resolve communication data according to different communications protocol; Valid data in the communication process are offered the technical staff clearly with specific display mode on large-screen lc; Alleviate the workload of field test greatly, improved operating efficiency.All communication datas comprise that communication source code and the valid data that parse can store according to user's setting, for further analyzing convenience are provided.

For network channel; The communication that only can simulate main website and substation makes an experiment to equipment to be tested and can't confirm the reason of communication failure under many circumstances; The utility model product has also increased online network monitoring function; Utilize the characteristic of network chip FH3308, with just connecting at the network channel of communication network test mouth through this machine, under the prerequisite of not disturbing tested passage operation simultaneously to this passage on all network packet keep watch on; And can network packet be filtered the interference of having avoided a large amount of message datas that test is brought according to the data format of ICP/IP protocol; Through predefined IP address; Can clearly the network communication process be presented on the large-screen lc; And valid data are analyzed, stored according to the communications protocol of application layer; Not only make the accident analysis of network communication simple, and can great help be provided the network communication programming.

The beneficial effect of the utility model is, can accomplish the test of all communication modes of power remote passage, and the field adjustable personnel that the online monitor function of the abundant and network channel of serial ports passage kind greatly facilitates have improved operating efficiency.

Below in conjunction with Figure of description and embodiment the utility model is done further introduction

Description of drawings

Fig. 1 the utility model embodiment theory diagram;

The theory diagram of the online monitoring of Fig. 2 network channel;

The method of testing figure of the online monitoring of Fig. 3 network channel.

Embodiment

The utility model embodiment shown in Fig. 1; Include data processing and control module 1; Module 1 has adopted high performance PC104 industrial control computer; Be the nucleus module of the utility model, this module is carried out analyzing and processing from channel switching module 2 and the data that network channel monitor module 10 receives on the telecontrol channel.

Data processing and control module 1 as shown in Figure 1 is two-way with the transfer of data of channel switching module 2; Data processing and control module 1 can be handled and reply communication data through main website mode or substation mode; When selecting the substation mode; Data processing and control module 1 can be simulated and produce various types of data, and data can be passed through Keyboard Control module 13 online modifications; When selecting master station mode, data processing and control module 1 can be simulated and issue various control commands.Data processing and control module 1 is unidirectional with the transfer of data of network channel monitor module 10, only receives data from network channel monitor module 10, guarantees not disturb normal network channel operation.

Data processing and control module 1 can be filtered communication data according to the display mode of communications protocol of setting and selection; The information of the demonstration of needs is shown through liquid crystal display screen 12; Can pass through Keyboard Control module 13 switching displayed patterns, communications protocol, data filter mode etc. in the test process, and the data of test are kept in the data memory module 11.

The serial ports controller 3 that channel switching module 2 shown in Fig. 1 can insert, analog channel 4 and network channel 5 through the switching mode of setting, are sent the channel information that needs are kept watch on into data processing and control module 1, and transfer of data is two-way.

Serial ports handover module 6 as shown in Figure 1 can receive different serial ports mode signals; Comprise RS232 passage 7, comprise RS485 passage 8, comprise RS422 passage 9; The rs 232 serial interface signal mode is selected in setting through in advance, and the signal mode of correspondence is sent into serial ports controller 3, and transfer of data is two-way.

The principle of the online monitoring of network channel as shown in Figure 2; Data forwarding chip 16 is cores of the online monitoring of network channel with network control chip 14; That data forwarding chip 16 is selected is FH3308, and the characteristics of this chip are that the network data of input is unconditional to other all passages forwardings, utilize this characteristics; All will be forwarded to network control chip 14 from the network data of the input of network test mouth 19 and network test mouth 20; Through network control chip 14 being arranged to the working method of MACRAW, just can all be input to all network channel data messages data processing and control module 1 and handle, data processing and control module 1 receives only data; Forbid all transmission signals, therefore can under the situation of the normal communication that does not disturb network channel, monitor.

The method of testing of the online monitoring of network channel as shown in Figure 3; Power equipment 21 can be any equipment that possesses the network communication function with power equipment 22; The port of power equipment 21 and power equipment 22 is linked into network test mouth 19 and network test mouth 20 respectively; Connect power remote lane testing appearance, promptly can guarantee the normal communication between power equipment 21 and the power equipment 22, just can begin to test this network channel then.

Claims (1)

1. a power remote lane testing appearance comprises data processing and control module (1), network channel monitor module (10), channel switching module (2), it is characterized in that:

Data processing and control module (1) is connected with channel switching module (2); Data processing and control module (1) is connected with network channel monitor module (10); Data memory module (11) is connected with data processing and control module (1); Keyboard Control module (13) is connected with data processing and control module (1); Liquid crystal display screen (12) is connected with Data Control module (1); Channel switching module (2) is connected with serial ports controller (3), analog channel (4), network channel (5) respectively; Serial ports handover module (6) is connected with RS232 passage (7), RS485 passage (8), RS422 passage (9) respectively.

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