CN209656779U - A kind of impulsive measurement system - Google Patents
A kind of impulsive measurement system Download PDFInfo
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- CN209656779U CN209656779U CN201821980743.XU CN201821980743U CN209656779U CN 209656779 U CN209656779 U CN 209656779U CN 201821980743 U CN201821980743 U CN 201821980743U CN 209656779 U CN209656779 U CN 209656779U
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Abstract
The utility model discloses a kind of impulsive measurement systems, comprising: control unit, as logic control core；Crystal oscillator, as system clock；The input terminal of signal processing unit, output end and described control unit connects, and for being filtered enhanced processing to pulse signal, and signal is sent to control unit by treated；Sampling unit, output end are connect with the input terminal of the signal processing unit, are sent to signal processing unit for the acquisition of pulse signal, and by collected pulse signal；Measuring unit is connect with described control unit, is measured to the crest voltage for the pulse signal that control unit receives, and measurement result is back to control unit；Communication unit is connect with described control unit, for that will acquire information and measurement result is sent to host computer.The utility model impulsive measurement system structure is simple, low manufacture cost, can not only realize the active measurement of 1k-10k pulse signal, additionally it is possible to solve the problems, such as that pulse capture is nonsynchronous.
Description
Technical field
The utility model relates to pulse power measurement technical field more particularly to a kind of impulsive measurement systems.
Background technique
Impulsive measurement has actively measurement, precognition measurement, peak value measurement and measurement of average value.Actively measurement is when pulse comes
The rising edge of lock-out pulse is actively captured, and as starting point, the arbitrary point voltage of pulse subsequent cycle voltage is measured, it can
With measurement top voltage, the arbitrary point voltage of rising edge and failing edge also can measure, and success ratio values are converted by single-chip microcontroller and are led to
It crosses RS485 interface and is transferred to host computer.Precognition measurement be usually pulse arrival before first one with measure pulse period phase
As starting impulse, the amplitude of pulse is fixed for same pulse, by measuring this pulse available period, pulsewidth and measurement arteries and veins
The information such as the time reached are flushed to, can also be surveyed by the period of measurement pulse known to this information to measure the top voltage of pulse
The arbitrary point voltage of rising edge and failing edge is measured, and is transferred to by RS485 interface by single-chip microcontroller transformation success ratio values upper
Machine.Peak value measurement is usually by collected crest voltage to capacitor charging, keeps crest voltage, until arriving for second pulse
Go charging again, this mode has top drop.Measurement of average value is that top and inter-train pause are averagely provided voltage.
Actively measurement is a kind of novel measurement method, without providing pulse in advance, and can be measured to pulse, but
It is that there are the nonsynchronous problems of pulse capture for this method.
Utility model content
The purpose of the utility model is to provide a kind of impulsive measurement systems, are able to solve the nonsynchronous problem of pulse capture.
To achieve the above object, the technical solution of the utility model is: a kind of impulsive measurement system, comprising:
Control unit, as logic control core；
Crystal oscillator is connect as system clock with control unit；
The input terminal of signal processing unit, output end and described control unit connects, for filtering to pulse signal
Wave enhanced processing, and signal is sent to control unit by treated；
Sampling unit, output end are connect with the input terminal of the signal processing unit, for the acquisition of pulse signal, and
Collected pulse signal is sent to signal processing unit；
Measuring unit is connect with described control unit, is carried out to the crest voltage for the pulse signal that control unit receives
Measurement, and measurement result is back to control unit；
Communication unit is connect with described control unit, for that will acquire information and measurement result is sent to host computer.
Preferably, described control unit uses C8051060 single-chip microcontroller to one kind as this programme.
Preferably, the signal processing unit uses OPA2277Z signal amplifier to one kind as this programme.
Preferably, shown crystal oscillator uses 25M crystal oscillator to one kind as this programme.
The beneficial effects of the utility model are: the utility model impulsive measurement system structure is simple, low manufacture cost, not only
It can be realized the active measurement of 1k-10k pulse signal, additionally it is possible to solve the problems, such as that pulse capture is nonsynchronous.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is measuring unit measuring method flow chart.
Specific embodiment
Below in conjunction with attached drawing, the technical scheme in the utility model embodiment is clearly and completely described.
As shown in Figure 1, a kind of impulsive measurement system, comprising:
Control unit, as logic control core；Control unit uses C8051060 single-chip microcontroller；
Crystal oscillator is connect as system clock with control unit；Crystal oscillator uses 25M crystal oscillator, period 40ns；
The input terminal of signal processing unit, output end and described control unit connects, for filtering to pulse signal
Wave enhanced processing, and signal is sent to control unit by treated；Signal processing unit uses OPA2277Z signal amplifier；
Sampling unit, output end are connect with the input terminal of the signal processing unit, for the acquisition of pulse signal, and
Collected pulse signal is sent to signal processing unit；
Measuring unit is connect with described control unit, is carried out to the crest voltage for the pulse signal that control unit receives
Measurement, and measurement result is back to control unit；
Communication unit is connect with described control unit, for that will acquire information and measurement result is sent to host computer.
Measuring unit measurement method are as follows: as shown in Fig. 2, in rising edge of a pulse, compare rising edge pulse signal with it is previous
The value of secondary signal, greater than a preceding signal value when, this signal value be stored in register；In pulse falling edge, in output
Pass maximum value.
The described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.Based on this
Embodiment in utility model, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, belongs to the scope of the utility model.
Claims (4)
1. a kind of impulsive measurement system characterized by comprising
Control unit, as logic control core；
Crystal oscillator is connect as system clock with control unit；
The input terminal of signal processing unit, output end and described control unit connects, and puts for being filtered to pulse signal
Big processing, and signal is sent to control unit by treated；
Sampling unit, output end are connect with the input terminal of the signal processing unit, for the acquisition of pulse signal, and will be adopted
The pulse signal collected is sent to signal processing unit；
Measuring unit is connect with described control unit, is measured to the crest voltage for the pulse signal that control unit receives,
And measurement result is back to control unit；
Communication unit is connect with described control unit, for that will acquire information and measurement result is sent to host computer.
2. a kind of impulsive measurement system as described in claim 1, which is characterized in that described control unit is mono- using C8051060
Piece machine.
3. a kind of impulsive measurement system as described in claim 1, which is characterized in that the signal processing unit uses
OPA2277Z signal amplifier.
4. a kind of impulsive measurement system as described in claim 1, which is characterized in that shown crystal oscillator uses 25M crystal oscillator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821980743.XU CN209656779U (en) | 2018-11-29 | 2018-11-29 | A kind of impulsive measurement system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821980743.XU CN209656779U (en) | 2018-11-29 | 2018-11-29 | A kind of impulsive measurement system |
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| CN209656779U true CN209656779U (en) | 2019-11-19 |
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| CN201821980743.XU Active CN209656779U (en) | 2018-11-29 | 2018-11-29 | A kind of impulsive measurement system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109752591A (en) * | 2018-11-29 | 2019-05-14 | 北京北广科技股份有限公司 | A kind of impulsive measurement system |
| WO2022041965A1 (en) * | 2020-08-31 | 2022-03-03 | 长鑫存储技术有限公司 | Test circuit, test device and test method therefor |
-
2018
- 2018-11-29 CN CN201821980743.XU patent/CN209656779U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109752591A (en) * | 2018-11-29 | 2019-05-14 | 北京北广科技股份有限公司 | A kind of impulsive measurement system |
| WO2022041965A1 (en) * | 2020-08-31 | 2022-03-03 | 长鑫存储技术有限公司 | Test circuit, test device and test method therefor |
| US11948650B2 (en) | 2020-08-31 | 2024-04-02 | Changxin Memory Technologies, Inc. | Testing circuit, testing device and testing method thereof |
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