Abstract: This system is mainly the virtual instrument software Labview that makes use of the company of NI to carry out the parameter diagraph of, is a kind of the virtual instrument test technique. This system has the accuracy of diagraph high, hold, upgrade then simple, adapt to face wide etc. advantage.
The charged barbed wire net electricity parameter test system is to be constitute by the software mold piece and hardware mold piece. The software mold piece includes the electric voltage, electric current mold piece, phase shift mold piece, the power mold piece to constitute. The design of this part mainly is a software of Lab view that makes use of the company of NI to complete the design, completing the processes such as calculation, processing and manifestation etc. of the system therein. Among them the electric voltage, the electric current mold piece diagraph that implies its valid value and max and min value, the power mold piece include has a great achievement the power and has no power of diagraph.
The hardware mold piece from spread the feeling machine, signal to adjust to manage the electric circuit, data of PCI to collect the card to constitute. The charged barbed wire net signal from spread the feeling machine to connect to come over, was adjust by signal to manage the electric circuit the value that the signal adjusts to manage the PCI card to request, the end completes the data to collect through the PCI card, the A/ D convert or the D/ A convert, convert to become the numerical quantity importation computer and can get then through the software processing the value of measure the parameter.
Keyword: Virtual instrument; Labview; Charged barbed wire net electricity parameter; The signal adjusts the reason