CN201673221U - Signal testing platform based on virtual instrument - Google Patents
Signal testing platform based on virtual instrument Download PDFInfo
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- CN201673221U CN201673221U CN2010202027523U CN201020202752U CN201673221U CN 201673221 U CN201673221 U CN 201673221U CN 2010202027523 U CN2010202027523 U CN 2010202027523U CN 201020202752 U CN201020202752 U CN 201020202752U CN 201673221 U CN201673221 U CN 201673221U
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Abstract
The utility model discloses a signal testing platform based on a virtual instrument, which comprises a sensor and is characterized by also comprising a processor, a signal processing module and a computer provided with a virtual instrument program, wherein the sensor is connected with the signal processing module; and both the signal processing module and the computer provided with the virtual instrument program are connected with the processor. The signal testing platform acquires signals of an analog signal sensor, an optical signal sensor and a digital signal sensor by the processor, controls whether to receive the signals of the sensors by a touch screen, transmits the acquired signals to the computer provided with the virtual instrument program and utilizes the computer provided with the virtual instrument program to carry out processing of display, analysis, storage, read-out and the like on the signals so as to realize real-time analysis and processing on the signals of various sensors. The signal testing platform can process the signals of various sensors. The processing mode can be defined by a user.
Description
Technical field
The utility model relates to the signal testing technical field, refers to the signal testing platform based on virtual instrument particularly.
Technical background
Conventional at present signal measurement platform comprises such as surveying instruments such as oscillograph, logic analyser, spectrum analyzers, they are when Measurement and Control System, extraction that can only be single and show the signal data of tested control system, do not have the function of the signal that measures being carried out real-time analysis and processing, the tested control system that particularly needs measuring-signal enormous amount, signal analysis method complexity for those, real-time analysis and processing capacity are difficult to realize more.Cost an arm and a leg but also have, function singleness, and instrumental function is that the user can't change by producer definition, lacks deficiencies such as flexibility.
Summary of the invention
The purpose of this utility model is exactly at above-mentioned technical matters, and a kind of signal testing platform based on virtual instrument that can carry out real-time analysis and processing to the signal that extracts is provided.
For realizing this purpose, a kind of signal testing platform that the utility model is designed based on virtual instrument, it comprises sensor, it is characterized in that: it also comprises processor, signal processing module, the computing machine of virtual instrument program is installed, wherein, described sensor connects signal processing module, signal processing module and the equal connection processing device of computing machine that the virtual instrument program is installed.
Described sensor is an analog signal sensors, and described signal processing module comprises signal amplification module, signal filtering module, and wherein, analog signal sensors connects the signal filtering module by the signal amplification module, and the signal filtering module connects described processor.
Described sensor is an optical signal sensor, and described signal processing module is a photoelectric isolation module, and optical signal sensor connects described processor by photoelectric isolation module.
Described sensor is a digital signal sensors, and described signal processing module is a digital signal processing module, and digital signal sensors connects described processor by digital signal processing module.
Signal processing module comprises signal amplification module, signal filtering module, photoelectric isolation module and digital signal processing module, described sensor comprises analog signal sensors, optical signal sensor, digital signal sensors, wherein, analog signal sensors connects the signal filtering module by the signal amplification module, and the signal filtering module connects described processor; Optical signal sensor connects described processor by photoelectric isolation module; Digital signal sensors connects described processor by digital signal processing module.
Described processor is ARM (Advanced RISC Machine) processor, and arm processor is connected with touch-screen.
Be connected communication by USB (Universal Serial BUS USB (universal serial bus)) interface between the described computing machine that the virtual instrument program is installed and the processor.
The utility model is gathered the signal of analog signal sensors, optical signal sensor, digital signal sensors by processor, by behind the signal processing module by the touch-screen of processor to processor whether the signal of receiving sensor control, and the signal that collects passed to the computing machine that the virtual instrument program is installed, this computing machine that virtual instrument program is installed is to processing such as signal show, analyzes, preserves and reads.Realized real-time analysis and processing to various sensor signals, the utility model can be handled the signal of various sensors, and processing mode can be defined by user oneself.
Description of drawings
Fig. 1 is the theory diagram of the utility model embodiment 1.
Fig. 2 is the theory diagram of the utility model embodiment 5.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
Embodiment 1, it comprises sensor, processor, signal processing module, the computing machine of virtual instrument program is installed as shown in the figure, wherein, described sensor connects signal processing module, signal processing module and the equal connection processing device of computing machine that the virtual instrument program is installed.
Embodiment 2, comprise analog signal sensors, signal amplification module, signal filtering module, processor, the computing machine of virtual instrument program is installed, wherein, analog signal sensors connects signal filtering module, signal filtering module connection processing device by the signal amplification module.Processor also is connected and installed with the computing machine of virtual instrument program.
Embodiment 3, comprise optical signal sensor, photoelectric isolation module, processor, the computing machine of virtual instrument program is installed, and wherein, optical signal sensor connects described processor by photoelectric isolation module.Processor also is connected and installed with the computing machine of virtual instrument program.
Embodiment 4, comprise digital signal sensors, digital signal processing module, processor, the computing machine of virtual instrument program is installed, and digital signal sensors connects described processor by digital signal processing module.Processor also is connected and installed with the computing machine of virtual instrument program.
Embodiment 5, it comprises signal amplification module, signal filtering module, photoelectric isolation module, digital signal processing module, analog signal sensors, optical signal sensor, digital signal sensors, processor and the computing machine of virtual instrument program is installed as shown in the figure, wherein, analog signal sensors connects the signal filtering module by the signal amplification module, and the signal filtering module connects described processor; Optical signal sensor connects described processor by photoelectric isolation module; Digital signal sensors connects described processor by digital signal processing module.Processor also is connected and installed with the computing machine of virtual instrument program.
Among above-mentioned each embodiment, processor preferably has the arm processor of (SuSE) Linux OS, and arm processor is connected with touch-screen.Communicate by letter the preferred LabVIEW program of virtual instrument program by USB interface between the described computing machine that the virtual instrument program is installed and the processor.
The utility model in use, the signal that analog signal sensors, optical signal sensor and digital signal sensors are sensed is responsible for collection by arm processor, touch-screen by arm processor to arm processor whether the signal of receiving sensor control, the computing machine of writing the LabVIEW program receives the signal that arm processor collects by USB interface, gather when having finished 16 way word signals, 8 tunnel simulating signals, and to processing such as the signal that collects show, analyzes, preserves and reads.The virtual instrument program can be integrated in the test function of multiple instrument in the software library, so it is powerful to test integrated virtual instrument, a computing machine that the virtual instrument program is installed just can be realized the repertoire of multiple traditional test instruments such as oscillograph, logic analyser, frequency spectrograph, signal generator, and can be connected with other data processing software, carry out digital filtering, wavelet analysis, fft analysis, the time and frequency domain analysis of data simultaneously.Therefore computing machine that the virtual instrument program is installed can be realized the automatic measurement of data, the function of record, automatic data processing and demonstration and storage automatically.
The content that this instructions is not described in detail belongs to this area professional and technical personnel's known prior art.
Claims (7)
1. signal testing platform based on virtual instrument, it comprises sensor, it is characterized in that: it also comprises processor, signal processing module, the computing machine of virtual instrument program is installed, wherein, described sensor connects signal processing module, signal processing module and the equal connection processing device of computing machine that the virtual instrument program is installed.
2. the signal testing platform based on virtual instrument according to claim 1, it is characterized in that: described sensor is an analog signal sensors, described signal processing module comprises signal amplification module, signal filtering module, wherein, analog signal sensors connects the signal filtering module by the signal amplification module, and the signal filtering module connects described processor.
3. the signal testing platform based on virtual instrument according to claim 1, it is characterized in that: described sensor is an optical signal sensor, described signal processing module is a photoelectric isolation module, and optical signal sensor connects described processor by photoelectric isolation module.
4. the signal testing platform based on virtual instrument according to claim 1, it is characterized in that: described sensor is a digital signal sensors, described signal processing module is a digital signal processing module, and digital signal sensors connects described processor by digital signal processing module.
5. the signal testing platform based on virtual instrument according to claim 1, it is characterized in that: signal processing module comprises signal amplification module, signal filtering module, photoelectric isolation module and digital signal processing module, described sensor comprises analog signal sensors, optical signal sensor, digital signal sensors, wherein, analog signal sensors connects the signal filtering module by the signal amplification module, and the signal filtering module connects described processor; Optical signal sensor connects described processor by photoelectric isolation module; Digital signal sensors connects described processor by digital signal processing module.
6. according to claim 1 or 2 or 3 or 4 or 5 described signal testing platforms based on virtual instrument, it is characterized in that: described processor is an arm processor, and arm processor is connected with touch-screen.
7. the signal testing platform based on virtual instrument according to claim 1 is characterized in that: be connected communication by USB interface between the described computing machine that the virtual instrument program is installed and the processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202027523U CN201673221U (en) | 2010-05-18 | 2010-05-18 | Signal testing platform based on virtual instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202027523U CN201673221U (en) | 2010-05-18 | 2010-05-18 | Signal testing platform based on virtual instrument |
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| Publication Number | Publication Date |
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| CN201673221U true CN201673221U (en) | 2010-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202027523U Expired - Fee Related CN201673221U (en) | 2010-05-18 | 2010-05-18 | Signal testing platform based on virtual instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103336443A (en) * | 2013-07-17 | 2013-10-02 | 中国计量学院 | Time-frequency signal experimental system based on industrial field data |
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2010
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103336443A (en) * | 2013-07-17 | 2013-10-02 | 中国计量学院 | Time-frequency signal experimental system based on industrial field data |
| CN103336443B (en) * | 2013-07-17 | 2016-05-18 | 中国计量学院 | A kind of time frequency signal experimental system based on industry spot data |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101215 Termination date: 20130518 |