CN204649953U - A kind of automated calibration system of signal generator - Google Patents
A kind of automated calibration system of signal generator Download PDFInfo
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- CN204649953U CN204649953U CN201520325979.XU CN201520325979U CN204649953U CN 204649953 U CN204649953 U CN 204649953U CN 201520325979 U CN201520325979 U CN 201520325979U CN 204649953 U CN204649953 U CN 204649953U
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- signal generator
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- calibration
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Abstract
The utility model relates to electronic technology field, relate to a kind of automated calibration system of signal generator, to solve current calibration system complicated operation, problem that calibration efficiency is low, it comprises industrial computer, PXI platform, signal generator and reference instrument group, described PXI platform is connected with industrial computer, signal generator, reference instrument group respectively, and described PXI platform comprises multiplexer switch module.The utility model embodiment can be calibrated separate unit signal generator quickly and easily, also can complete the calibration of the signal generator of multiple stage same model or identical function simultaneously, and each reference instrument and signal generator adopt disposable connected mode, therefore calibrate conveniently.
Description
Technical field
The utility model belongs to electronic technology field, relates to a kind of automated calibration system of signal generator.
Background technology
At present, signal generator obtains to be applied more and more widely, in order to ensure that signal generator provides high-quality signal, needs before use to calibrate signal generator.
With the JJG173-2003 generally adopted in industry " signal generator vertification regulation " for signal generator calibration foundation, the program of the signal generator of a complete function being carried out to measurement and calibration is very complicated.Along with day by day improving and development of automatization testing technique, under the control of the computer the method that signal generator carries out auto-calibration is widely used.
Fig. 1 is the structured flowchart of current signal generator calibration system, as shown in Figure 1, this system comprises industrial computer, signal generator and reference instrument group, and wherein reference instrument group comprises the first reference instrument, the second reference instrument, the 3rd reference instrument and the 4th reference instrument.When adopting this system to calibrate, the calibration operation of all calibration items can not be completed after a line, need standard of replacement instrument and connection mode when calibration item is different; Can not complete the calibration of the multiple stage signal generator of same model or identical function, therefore signal generator complicated operation of the prior art, calibration efficiency are low simultaneously.
Utility model content
[technical matters that will solve]
The purpose of this utility model is to provide a kind of automated calibration system of signal generator, for solving existing calibration system complicated operation, problem that calibration efficiency is low.
[technical scheme]
The utility model is achieved through the following technical solutions.
The utility model relates to a kind of automated calibration system of signal generator, it comprises industrial computer, PXI platform, signal generator and reference instrument group, described PXI platform is connected with industrial computer, signal generator, reference instrument group respectively, and described PXI platform comprises multiplexer switch module.
As one preferred embodiment, described PXI platform is connected with signal generator, reference instrument group respectively by gpib bus.
As another preferred embodiment, described industrial computer is connected by pci bus with PXI platform.
As another preferred embodiment, described reference instrument group comprises the first reference instrument, the second reference instrument, the 3rd reference instrument and the 4th reference instrument, is wherein connected by gpib bus between each reference instrument.
As another preferred embodiment, described automated calibration system also comprises printer, and described printer is connected with industrial computer.
[beneficial effect]
Can find out that the utility model has the following advantages from above technical scheme and principle of work:
(1) the utility model is introduced multiplexer switch and is built measuring system, can not only complete the calibration of separate unit signal generator, also can complete the calibration of the signal generator of multiple stage same model or identical function simultaneously, improve the efficiency of instrument calibration;
(2) each reference instrument and signal generator adopt disposable connected mode, avoid the connected mode of standard of replacement instrument and change cable because calibration item is different, thus avoid the impact because change or replacement operation bring measurement result.
Accompanying drawing explanation
The structured flowchart of signal generator calibration system of Fig. 1 for providing in prior art;
The structured flowchart of the signal generator calibration system that Fig. 2 provides for the utility model embodiment one;
The structured flowchart of the signal generator calibration system that Fig. 3 provides for the utility model embodiment two.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, clear, complete description is carried out to embodiment of the present utility model, obviously, described embodiment is a part of embodiment of the present utility model, instead of whole embodiment, neither to restriction of the present utility model.Based on embodiment of the present utility model, those of ordinary skill in the art, not paying the every other embodiment obtained under creative work prerequisite, belong to protection domain of the present utility model.
The automated calibration system of the signal generator that Fig. 2 provides for the utility model embodiment one, as shown in Figure 2, it comprises industrial computer, PXI platform, signal generator, reference instrument group and printer, wherein PXI platform comprises multiplexer switch module, and reference instrument group comprises the first reference instrument, the second reference instrument, the 3rd reference instrument and the 4th reference instrument.PXI platform is connected with signal generator, reference instrument group respectively by gpib bus, industrial computer is connected by pci bus with PXI platform, wherein connected by gpib bus between each reference instrument, each reference instrument also connects from the different output channels of the output port of the multiplexer switch module of PCI platform.In the present embodiment, the concrete model of multiplexer switch module is PXI-2593.
Embodiment one can realize the verification to individual signals generator, concrete principle of work is: when the calibration item of signal generator and parameter change, select by industrial computer the passage switching to corresponding reference instrument, realize the full-automation calibration of signal generator.
The automated calibration system of the signal generator that Fig. 3 provides for the utility model embodiment two, as shown in Figure 3, it comprises industrial computer, PXI platform, signal generator group and reference instrument group, wherein PXI platform comprises multiplexer switch module, signal generator group comprises six signal generators (DUT1 ~ DIT6), and reference instrument group comprises the first reference instrument, the second reference instrument, the 3rd reference instrument and the 4th reference instrument.PXI platform is connected with signal generator, reference instrument group respectively by gpib bus, and industrial computer is connected by pci bus with PXI platform, is connected between the every platform signal generator in signal generator group by gpib bus.In the present embodiment, the concrete model of multiplexer switch module is PXI-2596.
Embodiment two can realize the verification to multiple signal generator, concrete principle of work is: first select by industrial computer the passage switching to signal generator to be calibrated, when the calibration item of signal generator and parameter change, select by industrial computer the passage switching to corresponding reference instrument, realize the full-automation calibration of signal generator.
As can be seen from above concrete scheme and principle of work, the utility model embodiment can be calibrated separate unit signal generator quickly and easily, also can complete the calibration of the signal generator of multiple stage same model or identical function simultaneously, and each reference instrument and signal generator adopt disposable connected mode, avoid the connected mode of standard of replacement instrument and change cable because calibration item is different, thus avoid the impact because change or replacement operation bring measurement result.
Claims (5)
1. the automated calibration system of a signal generator, it is characterized in that: it comprises industrial computer, PXI platform, signal generator and reference instrument group, described PXI platform is connected with industrial computer, signal generator, reference instrument group respectively, and described PXI platform comprises multiplexer switch module.
2. the automated calibration system of signal generator according to claim 1, is characterized in that described PXI platform is connected with signal generator, reference instrument group respectively by gpib bus.
3. the automated calibration system of signal generator according to claim 1, is characterized in that described industrial computer is connected by pci bus with PXI platform.
4. according to the automated calibration system of described signal generator arbitrary in claims 1 to 3, it is characterized in that described reference instrument group comprises the first reference instrument, the second reference instrument, the 3rd reference instrument and the 4th reference instrument, wherein connected by gpib bus between each reference instrument.
5., according to the automated calibration system of described signal generator arbitrary in claims 1 to 3, it is characterized in that described automated calibration system also comprises printer, described printer is connected with industrial computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520325979.XU CN204649953U (en) | 2015-05-20 | 2015-05-20 | A kind of automated calibration system of signal generator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520325979.XU CN204649953U (en) | 2015-05-20 | 2015-05-20 | A kind of automated calibration system of signal generator |
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| CN204649953U true CN204649953U (en) | 2015-09-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833936A (en) * | 2015-05-20 | 2015-08-12 | 成都飞机工业（集团）有限责任公司 | Automatic calibration system for signal generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833936A (en) * | 2015-05-20 | 2015-08-12 | 成都飞机工业（集团）有限责任公司 | Automatic calibration system for signal generator |
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