CN203405808U

CN203405808U - 1553B bus test device

Info

Publication number: CN203405808U
Application number: CN201320372639.3U
Authority: CN
Inventors: 董文岳; 蒋晓华; 唐芳福; 龚永红; 颜军
Original assignee: ZHUHAI ORBITA CONTROL ENGINEERING Co Ltd
Current assignee: ZHUHAI ORBITA CONTROL ENGINEERING Co Ltd
Priority date: 2013-06-26
Filing date: 2013-06-26
Publication date: 2014-01-22
Anticipated expiration: 2023-06-26

Abstract

The utility model discloses a 1553B bus test device. The 1553B bus test device includes: a PXI / CPCI interface module for a data exchange between a PXI / CPCI detection system and a 1553B bus control module; the 1553B bus control module for coding and error injection of data which are downloaded by the PXI / CPCI detection system and are transmitted to a measured 1553B device, and for decoding and verification of data which are uploaded by the measured the 1553B device and are transmitted to the PXI / CPCI detection system for analyzing; the 1553B bus interface drive module for the data exchange between the 1553B bus control module and the measured 1553B devices; and a power supply module for supplying power to an entire bus test device. The 1553B bus test device of the utility model has the better performance than the 1553B bus test device based on the PCI interface, and can be more widely and conveniently used in occasions based on the 1553B bus device.

Description

1553B bus test equipment

Technical field

The utility model relates to bus test equipment technical field, is specifically related to 1553B bus test equipment.

Background technology

1553B bus claims again MILSTD1553B bus, is that US military aims at a kind of information transmission bus standard that airborne equipment is formulated that flies, the agreement of namely equipment room transmission.And each country is according to national situation, and with reference to the standard formulation of the U.S., go out the bus protocol of oneself.Afterwards, relevant company develops corresponding bus interface module and testing apparatus according to national consensus standard again.

Because spaceborne/carrier-borne/airborne equipment is many, based on 1553B bus, the usable range of 1553B bus is more and more wider, and therefore, the test of the electronic equipment based on 1553B bus, maintenance just seem and become more and more important.At present, 1553B bus test equipment is mostly based on pci interface.For example, the Chinese patent literature that application number is 201020245578.0 discloses a kind of 1553B bus test equipment based on pci interface, and it is between tested 1553B equipment and the detection software of PC, and function is simple.

Utility model content

The utility model object is to provide a kind of 1553B bus test equipment based on PXI/CPCI interface and tape error injection and measuring ability.

Above-mentioned purpose is achieved through the following technical solutions:

A bus test equipment, is characterized in that, comprising: PXI/CPCI interface module, for realizing the exchanges data between PXI/CPCI detection system and 1553B bus control module; 1553B bus control module, for the data that described PXI/CPCI detection system is passed down, encode and inject mistake to be given to tested 1553B equipment, and the decoding data of uploading through described tested 1553B equipment and verification are carried out to analyzing and processing to be given to described PXI/CPCI detection system; 1553B bus interface driver module, for realizing the exchanges data between described 1553B bus control module and described tested 1553B equipment; Power module, for giving whole bus test equipment power supply.

As concrete technical scheme, described PXI/CPCI interface module comprises interconnective PXI/CPCI interface and PXI/CPCI bridging chip, described PXI/CPCI interface is connected with described PXI/CPCI system, described PXI/CPCI bridging chip is connected with described 1553B bus control module, for realizing the parallel data of Transistor-Transistor Logic level and the conversion of PXI/CPCI data bus.

As concrete technical scheme, described PXI/CPCI bridging chip adopts PCI9030 chip.

As concrete technical scheme, described 1553B bus control module, is realized by programmable chip, in it, is provided with: processing unit, for the work of each module of control chip inside and each parts of chip exterior; The coding/decoding functional module of 1553B bus protocol, for by data encoding or and inject mistake, and by data decode and verification; Sendaisle, for set logic by encoded or and inject wrong data and send to described 1553B bus interface driver module; Receiving cable, receives data that described 1553B bus interface driver module uploads with to be decoded and verification for setting logic.

As concrete technical scheme, described programmable chip adopts EP3C55F484 chip.

As concrete technical scheme, described 1553B bus interface driver module comprises interconnective 1553B bus transceiver and the total line transformer of 1553B, described 1553B bus transceiver is connected with described 1553B bus control module, the total line transformer of described 1553B and described tested 1553B equipment connection.

As concrete technical scheme, described 1553B bus transceiver adopts HI-1573PSI data collector, described 1553B bus transformer adopting DB2725EX transformer.

The beneficial effect of the 1553B bus test equipment that the utility model provides is: the 1553B bus test equipment providing due to the utility model is based on PXI/CPCI interface, its performance is better than the 1553B bus test equipment based on pci interface, can be more extensively and be applied to expediently the occasion of the equipment based on 1553B bus in avionic device, fighter plane, civil aircraft and naval vessels; Secondly, 1553B bus control module is wrong decoding data and the verification to be given to tested 1553B equipment and tested 1553B equipment is uploaded through 1553B bus of 1553B bus injection with people, with the occasion of facilitate emulation bus to make mistakes time reply, simultaneously can be the cause investigation that causes data to be made mistakes in 1553B bus communication process out.

Accompanying drawing explanation

The structured flowchart of the 1553B bus test equipment that Fig. 1 provides for the utility model embodiment.

The inner structure block diagram of the 1553B bus test equipment that Fig. 2 provides for the utility model embodiment.

Embodiment

As shown in Figure 1, the 1553B bus test equipment that the present embodiment provides, for test board, comprises PXI/CPCI interface module, 1553B bus control module, 1553B bus interface driver module and power module.Wherein 1553B bus control module is connected with PXI/CPCI interface module and 1553B bus interface driver module, and power module is given whole bus test equipment power supply.

As shown in Figure 2, PXI/CPCI interface module is connected between PXI/CPCI detection system and 1553B bus control module, for realizing the exchanges data between PXI/CPCI detection system and 1553B bus control module.PXI/CPCI interface module comprises interconnective PXI/CPCI interface and PXI/CPCI bridging chip, PXI/CPCI interface is connected with PXI/CPCI detection system (not shown), PXI/CPCI bridging chip is connected with the processing unit of 1553B bus control module, for realizing the parallel data of Transistor-Transistor Logic level and the conversion of PXI/CPCI data bus.By operating in the various data transmission of the detection software controllable device in PXI/CPCI detection system, speed maximum can realize 133Mbit/s.

Continuation is referring to Fig. 2, the form that 1553B bus control module adopts programmable chip to add 1553B bus controller IP kernel realizes, for the data that PXI/CPCI detection system is passed down, encode and inject mistake to be given to tested 1553B equipment, and the decoding data of uploading through tested 1553B equipment and verification are carried out to analyzing and processing to be given to PXI/CPCI detection system.1553B bus control module is realized by programmable chip, and programmable chip adopts EP3C55F484 chip.In it, be provided with: processing unit, for the work of each module of control chip inside and each parts of chip exterior.The coding/decoding functional module of 1553B bus protocol, for by data encoding or and inject mistake, and by data decode and verification.Sendaisle, for setting logic by encoded or and inject wrong data and send to described 1553B bus interface driver module.Receiving cable, receives data that described 1553B bus interface driver module uploads with to be decoded and verification for setting logic.

Continuation is referring to Fig. 2,1553B bus interface driver module is connected between 1553B bus control module and tested 1553B equipment, for realizing the exchanges data between 1553B bus control module and tested 1553B equipment, comprise the data-signal driving of output interface and the data-signal buffering of input interface.1553B bus interface driver module comprises interconnective 1553B bus transceiver and the total line transformer of 1553B, 1553B bus transceiver is connected with sendaisle and the receiving cable of 1553B bus control module, the total line transformer of 1553B and tested 1553B equipment connection (not shown).

Power module, its be input as+3.3V and+5V direct current, output have+2.5V ,+1.2V direct current is organized output more, can meet the power supply requirement of most of application scenarios.

In the present embodiment, the concrete model of PXI/CPCI bridging chip is PCI9030.The programmable chip of 1553B bus control module adopts fpga chip, and concrete model is Cyclone III EP3C55F484.1553B bus transceiver adopts HI-1573PSI data collector.1553B bus transformer adopting DB2725EX transformer.

During the work of the 1553B bus test equipment that the utility model embodiment provides, its PXI/CPCI interface is connected with PXI/CPCI detection system, 1553B bus interface driver module and tested 1553B equipment connection, realize the exchanges data between tested 1553B equipment and PXI/CPCI detection system, its workflow specifically comprises two flow processs: send datamation flow process and receive datamation flow process.

Send datamation flow process:

First in PXI/CPCI detection system, operation detects software, by it, the relevant parameter of sendaisle is set, the parameter arranging comprises mode of operation, the frame period time, the information such as automatic retransmitting function, this information exchange is crossed the processing unit that PXI/CPCI interface is sent to programmable chip, the parameter that processing unit passes down according to PXI/CPCI detection system arranges sendaisle, complete the initialization operation of sendaisle, then user is again by the detection software in operation PXI/CPCI detection system, by PXI/CPCI interface module, to programmable chip, inject the packet that will send, this packet is through the coding of the coding/decoding functional module of 1553B bus protocol, parallel data changes into the serial data that meets 1553B bus transfer, in cataloged procedure, the instruction that can pass down according to detection software is injected mistake or is not injected mistake packet, by sendaisle, press the transmission logic of setting again and input 1553B bus interface driver module with the form signal of Transistor-Transistor Logic level, through 1553B bus interface driver module, realize the output of 1553B standard electric signal and input tested 1553B equipment through 1553B bus, whether the reaction by observation 1553B standard device is corresponding to reach the object whether tested 1553B equipment of detection is qualified with the data of input, and convenience is simulated the occasion of tackling when 1553B standard device is made mistakes.

Receive datamation flow process:

First in PXI/CPCI detection system, move testing software, by it, the relevant parameter of receiving cable is set, the parameter arranging comprises receiving cable mode of operation, RT address, the information such as subaddressing and mode code, this information exchange is crossed PXI/CPCI interface module and is sent to programmable chip, the parameter that processor unit passes down according to PXI/CPCI detection system arranges receiving cable, complete the initialization operation of receiving cable, then, the received data of sending from tested 1553B equipment (may be correct data/may be also wrong data) realize the conversion of level by 1553B bus interface driver module, decoded after the coding/decoding functional module of 1553B bus protocol that enters programmable chip through receiving cable, serial data changes into the parallel data that meets the transmission of PXI/CPCI interface, data are carried out to verification simultaneously, parallel data and check results realize uploading of data by PXI/CPCI interface module again, and the detection software moving in PXI/CPCI detection system shows the data of receiving in real time, if wrong data, can navigate to is the mistake of which class, the mistake that is for example tested 1553B equipment self causes makeing mistakes of data, or the problem of 1553B bus causes makeing mistakes of data etc.

The utility model is not limited to above-described embodiment, based on simple replacement above-described embodiment, that do not make creative work, should belong to the scope that the utility model discloses.

Claims

1. a 1553B bus test equipment, is characterized in that, comprising:

PXI/CPCI interface module, for realizing the exchanges data between PXI/CPCI detection system and 1553B bus control module;

1553B bus control module, for the data that described PXI/CPCI detection system is passed down, encode and inject mistake to be given to tested 1553B equipment, and the decoding data of uploading through described tested 1553B equipment and verification are carried out to analyzing and processing to be given to described PXI/CPCI detection system;

1553B bus interface driver module, for realizing the exchanges data between described 1553B bus control module and described tested 1553B equipment; And

Power module, for giving whole bus test equipment power supply.

2. 1553B bus test equipment as claimed in claim 1, it is characterized in that: described PXI/CPCI interface module comprises interconnective PXI/CPCI interface and PXI/CPCI bridging chip, described PXI/CPCI interface is connected with described PXI/CPCI system, described PXI/CPCI bridging chip is connected with described 1553B bus control module, for realizing the parallel data of Transistor-Transistor Logic level and the conversion of PXI/CPCI data bus.

3. 1553B bus test equipment as claimed in claim 2, is characterized in that: described PXI/CPCI bridging chip adopts PCI9030 chip.

4. 1553B bus test equipment as claimed in claim 1, is characterized in that: described 1553B bus control module, by programmable chip, realized, and in it, be provided with:

Processing unit, for the work of each module of control chip inside and each parts of chip exterior;

The coding/decoding functional module of 1553B bus protocol, for by data encoding or and inject mistake, and by data decode and verification;

Sendaisle, for set logic by encoded or and inject wrong data and send to described 1553B bus interface driver module; And

Receiving cable, receives data that described 1553B bus interface driver module uploads with to be decoded and verification for setting logic.

5. 1553B bus test equipment as claimed in claim 4, is characterized in that: described programmable chip adopts EP3C55F484 chip.

6. 1553B bus test equipment as claimed in claim 1, it is characterized in that: described 1553B bus interface driver module comprises interconnective 1553B bus transceiver and the total line transformer of 1553B, described 1553B bus transceiver is connected with described 1553B bus control module, the total line transformer of described 1553B and described tested 1553B equipment connection.

7. 1553B bus test equipment as claimed in claim 6, is characterized in that: described 1553B bus transceiver adopts HI-1573PSI data collector, described 1553B bus transformer adopting DB2725EX transformer.