CN106871947A - A kind of test equipment signalling channel automatic calibrating method - Google Patents
A kind of test equipment signalling channel automatic calibrating method Download PDFInfo
- Publication number
- CN106871947A CN106871947A CN201510919455.8A CN201510919455A CN106871947A CN 106871947 A CN106871947 A CN 106871947A CN 201510919455 A CN201510919455 A CN 201510919455A CN 106871947 A CN106871947 A CN 106871947A
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- signal
- module
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- test equipment
- signalling channel
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references
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- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
A kind of test equipment signalling channel automatic calibrating method, it is characterised in that comprise the following steps：Step one：In including computer module, the test equipment of signal acquisition module, connection signal generation module, signal reconcile module and private adapter module, and described signal acquisition module includes multiple signal input channels, and multiple signal input channels are connected with test interface；Signal generation module is reconciled module and is connected with computer module and signal, and signal is reconciled module and is connected with private adapter module again, and private adapter module includes output channel；Step 2：When the signalling channel of test equipment needs detection, signal acquisition module configures required many stoichiometric points in range ability；Channel multiplexing when signal metering of the present invention and test, can effectively reduce error in dipping, it is ensured that the accuracy of metric results.
Description
Technical field
The present invention is a kind of test equipment signalling channel automatic calibrating method, belongs to measurement and control area.
Background technology
At present, the signalling channel metering of test equipment generally sends specialty by the measurement unit with metering qualification
Metrological personnel is carried out, and its meter content includes two parts, and respectively passage input and passage exports metering.
Signalling channel input metering：Signal input channel is specified to note by from external metrology interface to test equipment
Enter standard signal excitation, test equipment control signal acquisition module gathers the external drive signal of passage input,
By collection result compared with injection pumping signal, the metric results of input signal channel are obtained.
Signalling channel output metering：Test equipment control signal output channel exports the signal of specific characteristic parameter,
By standard detecting devices from external metrology interface measure output signal characteristic parameter, and with output signal feature
Parameter is compared, and obtains the metric results of output signal channel.
The defect of background technology
There is following defect in existing test equipment signalling channel metering method：
Signal measurement channel has differences with actual signal TCH test channel, and metric results can not complete, objective table
Up to the measurement characteristicses of the signalling channel；
Signalling channel metering needs to rely on external perimysium reference signal source and standard detecting devices, is lacking the feelings of equipment
Under condition, it is impossible to measured；
Signalling channel metrological operation is relatively cumbersome, and automatic gauge is not implemented；
After measuring signalling channel, fail to be automatically obtained the self calibration of the passage.
The content of the invention
It is an object of the invention to provide a kind of test equipment signalling channel automatic calibrating method, signal testing is realized
With the unification of measurement channel, it is complete in the case of without external perimysium reference signal source and standard detecting devices
The self calibration of passage after into the automatic gauge of signalling channel and metering.
A kind of test equipment signalling channel automatic calibrating method, it is characterised in that comprise the following steps：
Step one：In including computer module, the test equipment of signal acquisition module, signal generation is connected
Module, signal reconcile module and private adapter module, and described signal acquisition module includes that multiple signals are defeated
Enter passage, multiple signal input channels are connected with test interface；Signal generation module and computer module and letter
Number reconcile module connection, signal reconcile module again be connected with private adapter module, private adapter module bag
Output channel is included；
Step 2：When the signalling channel of test equipment needs detection, signal acquisition module is in range ability
Many stoichiometric points required for configuration；
Step 3：The demarcation output channel outputting standard signal excitation of computer mould block control signal generation module,
Standard signal is encouraged from test interface by private adapter module sends into the signal that test equipment needs to measure
Input channel；
Step 4：Computer module control standard signal excitation gathers signal in described signalling channel, and will
Actual acquisition to the excitation of signal and standard signal compare, draw meter of the signal input channel in the stoichiometric point
Amount structure；
Step 5：Each meter that computer mould block control signal generation module demarcation signal output channel is sequentially generated
The amount corresponding signal of point, measures, and metric results are automatically saved to the signalling channel pointwise；
Step 6：The signal that actual acquisition is arrived in computer module control is encouraged with standard signal to be calibrated, and makes survey
Accuracy rate the measurement holding and standard signal excitation of examination equipment.
The present invention is applied to the measurement and calibration of most test equipments, and can be applied in the method can be greatly
Artificial degree of participation during measurement and calibration is reduced, efficiency is substantially improved, can be logical to test in test process
Road carries out REAL-TIME SELF, meanwhile, channel multiplexing when signal metering and test can effectively reduce error in dipping,
Ensure the accuracy of metric results.
Brief description of the drawings
Fig. 1, existing input signal channel measuring principle figure；
Fig. 2, existing output signal channel measuring principle figure；
Fig. 3, input signal channel measuring principle figure of the present invention；
Fig. 4, output signal channel measuring principle figure of the present invention；
The automatic calibrating principle figure of Fig. 5, signalling channel of the present invention
Specific embodiment
A kind of test equipment signalling channel automatic calibrating method, it is characterised in that comprise the following steps：
Step one：In including computer module, the test equipment of signal acquisition module, signal generation is connected
Module, signal reconcile module and private adapter module, and described signal acquisition module includes that multiple signals are defeated
Enter passage, multiple signal input channels are connected with test interface；Signal generation module and computer module and letter
Number reconcile module connection, signal reconcile module again be connected with private adapter module, private adapter module bag
Output channel is included；
Step 2：When the signalling channel of test equipment needs detection, signal acquisition module is in range ability
Many stoichiometric points required for configuration；
Step 3：The demarcation output channel outputting standard signal excitation of computer mould block control signal generation module,
Standard signal is encouraged from test interface by private adapter module sends into the signal that test equipment needs to measure
Input channel；
Step 4：Computer module control standard signal excitation gathers signal in described signalling channel, and will
Actual acquisition to the excitation of signal and standard signal compare, draw meter of the signal input channel in the stoichiometric point
Amount structure；
Step 5：Each meter that computer mould block control signal generation module demarcation signal output channel is sequentially generated
The amount corresponding signal of point, measures, and metric results are automatically saved to the signalling channel pointwise；
Step 6：The signal that actual acquisition is arrived in computer module control is encouraged with standard signal to be calibrated, and makes survey
Accuracy rate the measurement holding and standard signal excitation of examination equipment.
Implementation of the invention
Signal input channel is measured：Standard signal is produced by the built-in signal imitation generating means of test equipment
Excitation, is encouraged from external test interface feeding test equipment signal standard signal using private adapter is measured
Passage, system can configure any number of stoichiometric points, and programme-control built-in signal simulation generator produces each meter
The amount corresponding signal of point, signal flows through the signalling channel, signal is gathered eventually through signal acquisition module, and
Compared with pumping signal, draw the metric results of the signalling channel, program automatically switches to each stoichiometric point,
The signalling channel is measured, metric results are stored in configuration file.
Signal input channel is calibrated：Measured signal is sent into from external test interface using private adapter is tested
The passage metric results are fitted to a homologous thread by test equipment signalling channel, system, as long as stoichiometric point
Set enough, the curve of fitting is got over and approaches real metric results, according to the feature of measured signal, from
In metric results matched curve, the corresponding metric results of the test signal are drawn, by way of software compensation,
Amendment test result, realizes the self calibration of signal input channel.
Signal output channels are measured：Encouraged by the signal generator module outputting standard signal of test equipment, profit
Standard signal is encouraged with metering private adapter transferred from external test interface and send into test equipment, system
Any number of stoichiometric points are can configure, program control signal generation module exports the corresponding signal of each stoichiometric point, defeated
The signal converting for going out sends test equipment back to, and signal, and and pumping signal are gathered eventually through signal acquisition module
Compare, draw the metric results of the signalling channel, program automatically switches to each stoichiometric point, it is logical to the signal
Road is measured, and metric results are stored in configuration file.
Signal input channel is calibrated：Passage output metric results are fitted to a homologous thread by system, only
Stoichiometric point is wanted to set enough, the curve of fitting is got over and approaches real metric results, according to output signal
Feature, according to metric results matched curve, draws the corresponding metric results of the output signal, is mended by software
The mode repaid, corrects output result, realizes the self calibration of signal output channels.
Six, key points of the invention
Increase signal imitation generating means inside test equipment, for when signal input channel is measured, producing
Raw standard signal excitation；By test equipment signal generator module, for when signal output channels are measured,
Produce output signal；
Using private adapter is measured, standard signal excitation or output signal are sent into from external test interface and is believed
Number channel acquisition；
Any number of stoichiometric points are set, and program automatically switches to each stoichiometric point and completes metering, metric results storage
In configuration file；
The metric results of signalling channel are fitted to a curve, according to input/output signal feature, it is right to search
The metric results answered, and the self calibration of signalling channel is completed by software compensation mode.
Seven, effects of the invention
With existing Technical comparing, it is an advantage of the invention that：
When test equipment input/output signal passage is measured, without external perimysium reference equipment, convenient use；
Using private adapter is measured, standard signal excitation or output signal are sent into from external test interface and is believed
Number channel acquisition；
Any number of stoichiometric points are set, and program automatically switches to each stoichiometric point and completes metering, metric results storage
In configuration file；
The metric results of signalling channel are fitted to a curve, according to input/output signal feature, it is right to search
The metric results answered, and the self calibration of signalling channel is completed by software compensation mode.
The present invention is applied to the measurement and calibration of most test equipments, and can be applied in the method can be greatly
Artificial degree of participation during measurement and calibration is reduced, efficiency is substantially improved, can be logical to test in test process
Road carries out REAL-TIME SELF, meanwhile, channel multiplexing when signal metering and test can effectively reduce error in dipping,
Ensure the accuracy of metric results.
Claims (1)
1. a kind of test equipment signalling channel automatic calibrating method, it is characterised in that comprise the following steps：
Step one：In including computer module, the test equipment of signal acquisition module, signal generation is connected
Module, signal reconcile module and private adapter module, and described signal acquisition module includes that multiple signals are defeated
Enter passage, multiple signal input channels are connected with test interface；Signal generation module and computer module and letter
Number reconcile module connection, signal reconcile module again be connected with private adapter module, private adapter module bag
Output channel is included；
Step 2：When the signalling channel of test equipment needs detection, signal acquisition module is in range ability
Many stoichiometric points required for configuration；
Step 3：The demarcation output channel outputting standard signal of computer mould block control signal generation module swashs
Encourage, standard signal is encouraged from test interface by private adapter module sends into test equipment needs metering
Signal input channel；
Step 4：Computer module control standard signal excitation gathers signal in described signalling channel, and will
Actual acquisition to the excitation of signal and standard signal compare, draw meter of the signal input channel in the stoichiometric point
Amount structure；
Step 5：Each meter that computer mould block control signal generation module demarcation signal output channel is sequentially generated
The amount corresponding signal of point, measures, and metric results are automatically saved to the signalling channel pointwise；
Step 6：The signal that actual acquisition is arrived in computer module control is encouraged with standard signal to be calibrated, and makes survey
Accuracy rate the measurement holding and standard signal excitation of examination equipment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510919455.8A CN106871947A (en) | 2015-12-10 | 2015-12-10 | A kind of test equipment signalling channel automatic calibrating method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510919455.8A CN106871947A (en) | 2015-12-10 | 2015-12-10 | A kind of test equipment signalling channel automatic calibrating method |
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| CN106871947A true CN106871947A (en) | 2017-06-20 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2572346Y (en) * | 2002-10-09 | 2003-09-10 | 刘敏林 | Universal test and analysis instrument for electromechanical equipment of ship and warship |
| CN1953560A (en) * | 2005-10-21 | 2007-04-25 | 神基科技股份有限公司 | A system and method to correct automatically white balance |
| CN102128647A (en) * | 2010-12-31 | 2011-07-20 | 浙江中控自动化仪表有限公司 | Self-calibration method of calibration instrument |
| CN202720326U (en) * | 2012-04-19 | 2013-02-06 | 中国人民解放军63961部队 | System-level automatic calibration device for general testing equipment |
| CN103176161A (en) * | 2013-03-11 | 2013-06-26 | 中国人民解放军63908部队 | Automatic electric quantity calibrating system and automatic electric quantity calibrating method |
| CN204228901U (en) * | 2014-12-02 | 2015-03-25 | 北京兴迪仪器有限责任公司 | Local discharge detection device |
-
2015
- 2015-12-10 CN CN201510919455.8A patent/CN106871947A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2572346Y (en) * | 2002-10-09 | 2003-09-10 | 刘敏林 | Universal test and analysis instrument for electromechanical equipment of ship and warship |
| CN1953560A (en) * | 2005-10-21 | 2007-04-25 | 神基科技股份有限公司 | A system and method to correct automatically white balance |
| CN102128647A (en) * | 2010-12-31 | 2011-07-20 | 浙江中控自动化仪表有限公司 | Self-calibration method of calibration instrument |
| CN202720326U (en) * | 2012-04-19 | 2013-02-06 | 中国人民解放军63961部队 | System-level automatic calibration device for general testing equipment |
| CN103176161A (en) * | 2013-03-11 | 2013-06-26 | 中国人民解放军63908部队 | Automatic electric quantity calibrating system and automatic electric quantity calibrating method |
| CN204228901U (en) * | 2014-12-02 | 2015-03-25 | 北京兴迪仪器有限责任公司 | Local discharge detection device |
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Application publication date: 20170620 |
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