Summary of the invention
Many disadvantages in view of above-mentioned prior art, fundamental purpose of the present invention provides a kind of access method of electromagnetic interference data, can compare out the poorest configuration to many electromagnetic interference data values fast, its directly the obtained determinand of received spectrum analyser noise interferences and generate test report automatically, save time and manpower that test result obtains whereby.
For reaching above-mentioned and other purpose, the invention provides a kind of access system and method for electromagnetic interference data.The access system of this electromagnetic interference data, be be applied to data processing equipment that spectrum analyzer is connected in, make this data processing equipment receive and handle the noise interferences of the obtained determinand of this spectrum analyzer, the access system of this electromagnetic interference data comprises with lower member: a data file, in order to storage correction data, electromagnetic interference (EMI) limits value, test environment setting value and spectrum analyzer information, and this data file has at least one chart form again; One setting module provides one to set interface, for the input test condition; And intermediary's module, it is input into the test condition of setting in the interface according to this and reads test environment setting value in this data file, and make this data processing equipment control the noise interferences that this spectrum analyzer is obtained this determinand, and handle the noise interferences of this determinand according to the stored correction data of this data file, electromagnetic interference (EMI) limits value and spectrum analyzer information, and will handle the chart that generated of back and be stored in the chart form in this data file.
The access method of electromagnetic interference data of the present invention be applied to data processing equipment that spectrum analyzer is connected in, make this data processing equipment receive and handle the noise interferences of the obtained determinand of this spectrum analyzer, the access method of this electromagnetic interference data may further comprise the steps: set up a data file, with storage correction data, electromagnetic interference (EMI) limits value, test environment setting value and spectrum analyzer information, and this data file has at least one chart form again; Provide one to set interface, for the input test condition; Be input into the test condition of setting in the interface according to this and read test environment setting value in this data file; And make this spectrum analyzer receive the noise interferences of this determinand, and handle the noise interferences of this determinand according to the stored correction data of this data file, electromagnetic interference (EMI) limits value and spectrum analyzer information, and will handle the chart that generated of back and be stored in the chart form in this data file.
Therefore, the access system of electromagnetic interference data of the present invention and method than prior art with the electromagnetic interference data value that manually reads spectrum analyzer and exported and compare the poorest configuration one by one by this data value and more effectively reach conveniently, thereby can save time and the manpower that test result obtains.
Embodiment
Below by particular specific embodiment explanation embodiments of the present invention, those skilled in the art can understand other advantage of the present invention and effect easily by the content that this instructions disclosed.The present invention also can be implemented or be used by other different specific embodiment, and the every details in this instructions also can be based on different viewpoints and application, carries out various modifications and change under the spirit of the present invention not deviating from.
As shown in Figure 1, for carry out the basic framework block schematic diagram of the access system of electromagnetic interference data of the present invention in order to demonstration.As shown in the figure, the access system 1 of this electromagnetic interference data is in the data processing equipment 2 that is applied to be connected with spectrum analyzer 3, this data processing equipment 2 for example is a computer apparatus, and this spectrum analyzer 3 can be wired or wireless the connection with the connected mode of data processing equipment 2, this access system 1 usefulness is so that this data processing equipment 2 these spectrum analyzers 3 of control are obtained the noise interferences of this determinand, automatically produce the chart that is easy to interpretation simultaneously, the diagram file (XLS file) that the electrical form software that for example Microsoft developed is set up is compared the easier the poorest configuration of finding out by chart.
The access system 1 of electromagnetic interference data of the present invention comprises storage element 10, setting module 11 and intermediary's module 12.The storage element 10 of present embodiment is in order to store a data file 100, this data file 100 is in order to store correction data, the electromagnetic interference (EMI) limits value, the test environment setting value, spectrum analyzer information, and this data file 100 has at least one chart form again, and this data file 100 for example is the XLS file of being set up by the electrical form software that Microsoft developed, and the stored correction data of this data file 100, the electromagnetic interference (EMI) limits value, the test environment setting value, spectrum analyzer information and chart form are in each worksheet that is stored in respectively in this XLS file, store the Various types of data that usefulness is calculated in test by single file, and be convenient to the maintenance of computational data.
Because conduction test that the Electromagnetic Interference Test project is included and radiation test are because of the frequency range difference, so different noise receiving traps (being illustrated at this) is set this determinand 4 is carried out in advance the testing of noise according to the test event difference, with radiation test, its employed noise receiving trap is antenna and amplifier, with conduction test, its employed noise receiving trap is linear impedance stabilization network (Linear ImpedanceStabilization Network; LISN) and attenuator, by this noise receiving trap to detect determinand 4 and noise such as the external world or internal transmission circuit, measure by this spectrum analyzer 3 again, and wherein be to control 3 pairs of noise receiving traps of this spectrum analyzer by the access system 1 of electromagnetic interference data of the present invention to scan to obtain the noise interferences of determinand 4, therefore, the data file 100 stored correction datas of present embodiment are the correction data of antenna, linear impedance stabilization network or attenuator for example.
These data file 100 stored electromagnetic interference (EMI) limits values are meant that according to electromagnetic interference (EMI) project (being aforesaid conduction test and radiation test) different test frequency range and regulation limitations are arranged.
These data file 100 stored spectrum analyzer information store the computational data of this spectrum analyzer kind and this noise receiving trap corresponding parameters and limits value according to different spectrum analyzer kinds.This spectrum analyzer kind is Agilent HP8568B, HP8590, Adventest R3131, Rohde ﹠amp for example; Models such as Schwarz ESIB40 and ESI7, different spectrum analyzers then has different with the noise receiving trap in the setting of parameter and limits value.
These data file 100 stored test environment setting values are meant the kind of spectrum analysis instrument, the address or the laboratory title of spectrum analysis instrument.Generally speaking, the Electromagnetic Interference Test place can be equipped with the spectrum analyzer of many or multiple class, for ease of test, this spectrum analyzer 3 can carry out the transmission process of both sides' data by general purpose interface bus (GPIB) with data processing equipment 2, so the address of the spectrum analysis instrument that the test environment setting value of present embodiment is stored for example is meant employed transmission interface address when this spectrum analyzer 3 and data processing equipment 2 are connected by GPIB, generally speaking, GPIB can provide the connection of 16 electronic installations, by transmission interface address that this GPIB provided to allow this data processing equipment 2 connect with this spectrum analyzer in view of the above.The stored laboratory title of this test environment setting value looks closely then that to implement kenel not essential, for example the place that provides, Electromagnetic Interference Test place is big, thereby when dividing a plurality of laboratory, then can set up the setting of this laboratory title, with when the follow-up output test report, export this laboratory title in the lump.
This setting module 11 is in order to provide one to set interface, shown in Fig. 2 A, for the input test condition, for example input test project and spectrum analyzer address etc., with when this data processing equipment 2 is carried out the access system 1 of electromagnetic interference data of the present invention, can control 3 pairs of noise receiving traps of this spectrum analyzer according to this test condition and scan obtaining the noise interferences of determinand 4, and after finishing Electromagnetic Interference Test work, generate a test report.
This intermediary's module 12 is input into the test condition of setting in the interface according to this and reads test environment in this data file 100, and 3 pairs of noise receiving traps of this data processing equipment 2 these spectrum analyzers of control are scanned to obtain 4 pairs of noise receiving traps of determinand scan to obtain the noise interferences of determinand 4, and according to the stored correction data of this data file 100, electromagnetic interference (EMI) limits value and spectrum analyzer information are handled the noise interferences of this determinand, shown in Fig. 2 B, for the signature tune line chart (being result) of the Conduction Interference that shows determinand, can compare out the poorest configuration easily by this curve map.
In addition, the access system 1 of the electromagnetic interference data of present embodiment again can be according to tester's testing requirement, provide in the mode of saving as and store the stored correction data of result after the test and aforementioned data file 100, the electromagnetic interference (EMI) limits value, the test environment setting value, spectrum analyzer information and chart form, for example operate the file memory function key 110 shown in Fig. 2 A, supply the tester to compile by the formed file of mode that saves as with this and set up the test file that meets self-demand, so, under the information that the access system 1 of the electromagnetic interference data that does not change present embodiment is provided, also can set up the detecting information that meets self-demand easily.Moreover, what must propose explanation is, the file storing mode that aforementioned document memory function key 110 is provided is except that providing the mode that saves as, the function that covers ancient deed or abandon depositing choosing can be provided again, generally speaking, be to provide the selection of aforementioned different file memory functions to set in the dialog box mode.
The setting module 11 of present embodiment and intermediary's module 12 can be utilized based on the program development tools Labwindows of C language designed.
Moreover it is shown to click Fig. 2 B " report " option, be stored in the chart form in this data file 100, shown in Fig. 2 C will handle chart that the back generated.
As shown in Figure 3, be schematic flow sheet in order to the access method that shows electromagnetic interference data of the present invention.As shown in the figure, in step S10, the data content that calculates usefulness according to Electromagnetic Interference Test is integrated in the data file, this data content comprises correction data, the electromagnetic interference (EMI) limits value, test environment setting value and spectrum analyzer information, and this data file has at least one chart form again, wherein, this correction data is for example antenna, the correction data of linear impedance stabilization network or attenuator, this electromagnetic interference (EMI) limits value is meant according to electromagnetic interference (EMI) project (being aforesaid conduction test and radiation test) different test frequency range and regulation limitations, this spectrum analyzer information stores the computational data of this spectrum analyzer kind and noise receiving trap corresponding parameters and limits value according to different spectrum analyzer kinds, this test environment setting value is meant the kind of spectrum analysis instrument, the address of spectrum analysis instrument or laboratory title, so, what must propose explanation is, the visual test computation requirement increase and decrease of this data content, and this data file is the XLS file, and its stored correction data, the electromagnetic interference (EMI) limits value, the test environment setting value, spectrum analyzer information and chart form then proceed to step S12 for being stored in respectively in each worksheet in this XLS file.
In step S12, after the access system 1 of this electromagnetic interference data is activated, provide one to set interface by this setting module 11, with input test project and spectrum analyzer address etc., then proceed to this step S13.
In step S13, the test condition that foundation is imported reads the test environment setting value in this data file 100, then proceeds to step S15.
In step S15, this intermediary's module 12 obtains the noise interferences of determinand 4 according to stored data content of this data file and the test condition control spectrum analyzer 3 imported, and handle the noise interferences of this determinand according to the stored correction data of this data file, electromagnetic interference (EMI) limits value and spectrum analyzer information, to generate the signature tune line chart that this determinand is subjected to its output signal after the electromagnetic interference (EMI), can compare out the poorest configuration easily by this curve map, then proceed to step S16.
In step S16, the signature tune line chart that this generated is stored in the chart form in this data file.
Than prior art, the access system of electromagnetic interference data of the present invention and method, mainly store the Various types of data that usefulness is calculated in test by single file, and when this data processing equipment 2 is carried out the access system 1 of electromagnetic interference data of the present invention, can control 3 pairs of noise receiving traps of this spectrum analyzer according to the test condition of being imported scans to obtain the noise interferences of determinand 4, and the test report that generation one can provide chart to show after finishing Electromagnetic Interference Test work, so than prior art with the electromagnetic interference data value that manually reads spectrum analyzer and exported and compare the poorest configuration one by one by this data value and more effectively reach conveniently, thereby can save time and the manpower that test result obtains.
The foregoing description only is illustrative principle of the present invention and effect thereof, but not is used to limit the present invention.Any those skilled in the art all can be under spirit of the present invention and category, and the foregoing description is modified and changed.Therefore, the scope of the present invention should be foundation with the scope of claims of the present invention.