CN104833936A - Automatic calibration system for signal generator - Google Patents
Automatic calibration system for signal generator Download PDFInfo
- Publication number
- CN104833936A CN104833936A CN201510257875.4A CN201510257875A CN104833936A CN 104833936 A CN104833936 A CN 104833936A CN 201510257875 A CN201510257875 A CN 201510257875A CN 104833936 A CN104833936 A CN 104833936A
- Authority
- CN
- China
- Prior art keywords
- signal generator
- reference instrument
- calibration system
- calibration
- pxi platform
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention relates to the technical field of electronics, and relates to an automatic calibration system for a signal generator so as to solve problems of complex operation and low calibration efficiency of a calibration system at present. The automatic calibration system comprises an industrial personal computer, a PXI platform, a signal generator and a standard instrument set, wherein the PXI platform is connected with the industrial personal computer, the signal generator and the standard instrument set, and the PXI platform comprises a multiplex switching module. The automatic calibration system provided by the embodiment of the invention can calibrate the single signal generator quickly and conveniently, and can also finish calibration for a plurality of signal generator with the same model or having the same function simultaneously. In addition, each standard instrument adopts a mode of one-time connection with the signal generator, thereby being convenient in calibration.
Description
Technical field
The invention belongs to electronic technology field, relate 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.
Summary of the invention
[technical matters that will solve]
The object of this invention 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 present invention is achieved by the following technical solutions.
The present invention 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 present invention has the following advantages from above technical scheme and principle of work:
(1) the present invention introduces multiplexer switch and builds 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 embodiment of the present invention one;
The structured flowchart of the signal generator calibration system that Fig. 3 provides for the embodiment of the present invention two.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, clear, complete description is carried out to the specific embodiment of the present invention, obviously, described embodiment is a part of embodiment of the present invention, instead of whole embodiment, neither limitation of the present invention.Based on embodiments of the invention, those of ordinary skill in the art, not paying the every other embodiment obtained under creative work prerequisite, belong to protection scope of the present invention.
The automated calibration system of the signal generator that Fig. 2 provides for the embodiment of the present invention 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 embodiment of the present invention 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 embodiment of the present invention 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 |
|---|---|---|---|
| CN201510257875.4A CN104833936A (en) | 2015-05-20 | 2015-05-20 | Automatic calibration system for signal generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510257875.4A CN104833936A (en) | 2015-05-20 | 2015-05-20 | Automatic calibration system for signal generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104833936A true CN104833936A (en) | 2015-08-12 |
Family
ID=53811938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510257875.4A Pending CN104833936A (en) | 2015-05-20 | 2015-05-20 | Automatic calibration system for signal generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104833936A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356898A (en) * | 2017-08-29 | 2017-11-17 | 广东电网有限责任公司电力科学研究院 | A kind of harmonic signal source calibration method and power quality standard harmonic signal source |
| CN110412496A (en) * | 2019-07-29 | 2019-11-05 | 中电科仪器仪表有限公司 | The test function quick self-checking circuit and method of integrated circuit multi parameter tester |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1475812A (en) * | 2003-06-28 | 2004-02-18 | 浙江浙大中控技术有限公司 | Device for automatic correcting measuring module |
| CN101452067A (en) * | 2009-01-04 | 2009-06-10 | 信息产业部通信计量中心 | Signal generator automatic test and calibration system and method |
| CN102749604A (en) * | 2012-06-27 | 2012-10-24 | 北京泛华恒兴科技有限公司 | Automatic calibrator, calibration system and calibration method of testing equipment |
| CN202582586U (en) * | 2012-03-31 | 2012-12-05 | 重庆建设工业(集团)有限责任公司 | Signal acquisition instrument online calibration system |
| CN202794491U (en) * | 2012-06-27 | 2013-03-13 | 北京泛华恒兴科技有限公司 | Test equipment automatic calibration instrument and calibration system |
| CN204649953U (en) * | 2015-05-20 | 2015-09-16 | 成都飞机工业（集团）有限责任公司 | A kind of automated calibration system of signal generator |
-
2015
- 2015-05-20 CN CN201510257875.4A patent/CN104833936A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1475812A (en) * | 2003-06-28 | 2004-02-18 | 浙江浙大中控技术有限公司 | Device for automatic correcting measuring module |
| CN101452067A (en) * | 2009-01-04 | 2009-06-10 | 信息产业部通信计量中心 | Signal generator automatic test and calibration system and method |
| CN202582586U (en) * | 2012-03-31 | 2012-12-05 | 重庆建设工业(集团)有限责任公司 | Signal acquisition instrument online calibration system |
| CN102749604A (en) * | 2012-06-27 | 2012-10-24 | 北京泛华恒兴科技有限公司 | Automatic calibrator, calibration system and calibration method of testing equipment |
| CN202794491U (en) * | 2012-06-27 | 2013-03-13 | 北京泛华恒兴科技有限公司 | Test equipment automatic calibration instrument and calibration system |
| CN204649953U (en) * | 2015-05-20 | 2015-09-16 | 成都飞机工业（集团）有限责任公司 | A kind of automated calibration system of signal generator |
Non-Patent Citations (1)
| Title |
|---|
| 张海波等: "基于LabVIEW的信号发生器自动校准系统", 《计量技术》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356898A (en) * | 2017-08-29 | 2017-11-17 | 广东电网有限责任公司电力科学研究院 | A kind of harmonic signal source calibration method and power quality standard harmonic signal source |
| CN110412496A (en) * | 2019-07-29 | 2019-11-05 | 中电科仪器仪表有限公司 | The test function quick self-checking circuit and method of integrated circuit multi parameter tester |
| CN110412496B (en) * | 2019-07-29 | 2021-05-07 | 中电科思仪科技股份有限公司 | Test function quick self-checking circuit and method for integrated circuit multi-parameter tester |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101806878B (en) | Single-station indicator and indicating and testing method thereof | |
| CN101865946B (en) | Alternating current parameter testing system and method of programmable digital integrated circuit | |
| CN104807594A (en) | Automatic measuring system based on matrix switch | |
| CN106933215B (en) | PXI bus-based universal equivalent device for external interface of telemetry system | |
| CN102288848A (en) | Automatic current test and analysis system and method for constant-temperature crystal oscillator | |
| US9215160B2 (en) | Adjustment test apparatus for AI module | |
| CN203149382U (en) | Virtual apparatus bus product calibration platform | |
| CN104833936A (en) | Automatic calibration system for signal generator | |
| CN102426304B (en) | Automatic tester of direct current microcomputer protective device and testing method thereof | |
| CN110658439A (en) | Test method and system for protection circuit | |
| CN101980039A (en) | Oscilloscope trigger calibration device for radio measuring and testing | |
| CN204649953U (en) | A kind of automated calibration system of signal generator | |
| CN103308803A (en) | Adapter with self-checking circuit and system interface integrated structure | |
| CN106990350B (en) | Mass production testing module with analog-to-digital conversion interface chip inside and method | |
| CN104534975A (en) | Bridge circuit wiring device of strain collector | |
| CN102637034A (en) | Composite signal detecting system and detecting method based on CAN (Controller Area Network) configuration | |
| CN107391321A (en) | Electronic computer veneer and server debugging system | |
| CN102169146A (en) | Method for detecting function of frequency converter | |
| CN103926846A (en) | System for simulating aviation ammunition and generating faults | |
| CN202083745U (en) | Function test device for frequency converter | |
| CN202929166U (en) | Power source assembly circuit board test equipment | |
| CN201637838U (en) | Radar power-supply testing system based on GPIB interface control | |
| CN203631891U (en) | Active multifunctional adapter | |
| CN205038278U (en) | Signal product single -deck testing arrangement | |
| CN203849394U (en) | An automatic calibrating apparatus of a digital multimeter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150812 |
|
| WD01 | Invention patent application deemed withdrawn after publication |