CN105258718B - Comprehensive tester measurement verification system and adapter and metrology and measurement platform - Google Patents
Comprehensive tester measurement verification system and adapter and metrology and measurement platform Download PDFInfo
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- CN105258718B CN105258718B CN201510625912.2A CN201510625912A CN105258718B CN 105258718 B CN105258718 B CN 105258718B CN 201510625912 A CN201510625912 A CN 201510625912A CN 105258718 B CN105258718 B CN 105258718B
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Abstract
The present invention relates to comprehensive tester measurement verification system and adapter and metrology and measurement platform, including adapter and metrology and measurement platform；Metrology and measurement platform connects adapter, and comprehensive tester is connected by adapter；Metrology and measurement platform includes digital multimeter, oscillograph, function generator, D.C. regulated power supply and acquisition control device；Acquisition control device is used to gather digital multimeter, the output signal of oscillograph, and the output of control function generator, D.C. regulated power supply；Adapter includes being used to connect digital multimeter, oscillograph, function generator, the test interface of D.C. regulated power supply in the metrology and measurement platform, and for connecting the adaptable interface of comprehensive tester corresponding terminal；Calibrating circuit corresponding with the calibrating project set is constituted between test interface and adaptable interface.Test object is comprehensive tester complete machine rather than internal standard equipment, more truly reflects the situation of each parameter index of measurand, improves measuring accuracy.
Description
Technical field
The present invention relates to comprehensive tester measurement verification system and adapter and metrology and measurement platform.
Background technology
Comprehensive tester is vehicle-mounted integral test system, and vehicle is monitored for aircraft, and its volume is larger, not easy to assemble,
Internal structure is complicated, it is difficult to carry out effective measurement verification.At present, the measurement verification mode of comprehensive tester is using in dismounting
The mode censorship of ministerial standard source/table censorship.
There are the following problems for the measurement verification mode of comprehensive tester of the prior art：
(1) it is non-dismountable, it is impossible to complete machine censorship：Because comprehensive tester is fixed on integration test in-car, it is impossible to by it
Complete machine is delivered into third party testing agency after dismounting and carries out measurement verification.(2) part censorship, measuring accuracy is poor：By integration test
Instrument internal standard source/table dismounting censorship, because tester internal structure is complicated, the circuit for connecting standard source/table is more, and cable
It is longer, cause verification result completely to reflect the index situation of a whole set of tester；(3) malfunction elimination can not be carried out in outfield：
When car breaks down in outfield, it is impossible to effectively investigate failure cause.
The content of the invention
It is an object of the invention to provide comprehensive tester measurement verification system and adapter and metrology and measurement platform, to solve
The problem of Portable metering verification system measuring accuracy certainly of the prior art is low.
To achieve the above object, the solution of the present invention includes：
Comprehensive tester Portable metering verification system, including adapter and metrology and measurement platform；Metrology and measurement platform connects
Adapter is connect, for connecting comprehensive tester by adapter；The metrology and measurement platform include digital multimeter, oscillograph,
Function generator, D.C. regulated power supply and acquisition control device；The acquisition control device be used for gather the digital multimeter,
The output signal of oscillograph, and control the output of the function generator, D.C. regulated power supply；
The adapter include be used for connect digital multimeter in the metrology and measurement platform, oscillograph, function generator,
The test interface of D.C. regulated power supply, and for connecting the adaptable interface of comprehensive tester corresponding terminal；The test interface
Calibrating circuit corresponding with the calibrating project set is constituted between adaptable interface.
The comprehensive tester Portable metering verification system also includes AC transformer, one end of the AC transformer
220V AC powers are connected, the other end of the AC transformer is used to connect comprehensive tester；The calibrating project includes straight
Power supply calibrating is flowed, the dc source calibrating circuit is：The corresponding adaptation of digital multimeter test interface connection of adapter connects
Mouthful；Output of the digital multimeter to the dc source of comprehensive tester that the power supply calibrating passes through in metrology and measurement platform is electric
Pressure, electric current, voltage adjust scope, electric current to adjust the projects such as scope, ripple factor to be tested.
The calibrating project includes simulated target capture signal calibrating, and the simulated target capture signal calibrating circuit is：
The oscillograph test interface of adapter connects corresponding adaptable interface；The simulated target capture signal calibrating passes through metrology and measurement
Oscillograph in platform enters line frequency to the tested transmitter output signal of comprehensive tester and level is tested.
The calibrating project is examined and determine including alternating voltage, and the alternating voltage calibrating circuit is：The digital versatile of adapter
Table test interface and corresponding adaptable interface connect the function generator test interface of adapter jointly；The alternating voltage calibrating
Pass through the common test and measuring test platform of tested universal meter in the digital multimeter and comprehensive tester in metrology and measurement platform
In function generator produce same ac voltage signal.
The calibrating project is examined and determine including DC voltage, and the DC voltage calibrating circuit is：The digital versatile of adapter
Table test interface and corresponding adaptable interface connect the D.C. regulated power supply test interface of adapter jointly；The DC voltage inspection
Surely test flat by the common test and measuring of tested universal meter in the digital multimeter and comprehensive tester in metrology and measurement platform
The same d. c. voltage signal that D.C. regulated power supply in platform is produced.
The calibrating project is examined and determine including DC current, and the DC current calibrating circuit is：The digital versatile of adapter
Table test interface connects corresponding adaptable interface；DC current calibrating pass through digital multimeter in metrology and measurement platform and
The same DC current that D.C. regulated power supply in the common test synthesis tester of tested universal meter in comprehensive tester is produced
Signal.
The calibrating project is examined and determine including frequency, and the frequency calibrating circuit is：The oscillograph test interface of adapter and
Corresponding adaptable interface connects the function generator test interface of adapter jointly；The frequency calibrating passes through metrology and measurement platform
In oscillograph and comprehensive tester in the common test and measuring test platform of tested universal meter in function generator produce
Same sine wave signal.
The calibrating project is examined and determine including the time, and the time calibrating circuit is：The oscillograph test interface of adapter and
Corresponding adaptable interface connects the function generator test interface of adapter jointly；The time calibrating passes through metrology and measurement platform
In oscillograph and comprehensive tester in the common test and measuring test platform of tested universal meter in function generator produce
Same TTL signal.
The calibrating project is examined and determine including conducting resistance, and the conducting resistance calibrating circuit includes resistor network, passes through electricity
Resistance network connects metrology and measurement platform and for connecting comprehensive tester respectively；The conducting resistance calibrating is flat by metrology and measurement
The low resistance resistance in the common test adapter of tested universal meter in digital multimeter and comprehensive tester in platform.
The calibrating project is examined and determine including insulaion resistance, and the insulaion resistance calibrating circuit is to include resistor network, is passed through
Resistor network connects metrology and measurement platform and for connecting comprehensive tester respectively；The insulaion resistance calibrating passes through metrology and measurement
The high resistance measurement in the common test adapter of tested universal meter in digital multimeter and comprehensive tester in platform.
The Portable metering verification system also includes computer, and computer control connects adopting for the metrology and measurement platform
Collect control device.
A kind of adapter suitable for above-mentioned comprehensive tester Portable metering verification system, including by connect it is described based on
Digital multimeter, oscillograph, function generator, the test interface of D.C. regulated power supply in test platform are measured, and for connecting
The adaptable interface of comprehensive tester corresponding terminal；The calibrating project pair with setting is constituted between the test interface and adaptable interface
The calibrating circuit answered.
A kind of metrology and measurement platform suitable for above-mentioned comprehensive tester Portable metering verification system, including digital versatile
Table, oscillograph, function generator, D.C. regulated power supply and acquisition control device；The acquisition control device is used to gather described
Digital multimeter, the output signal of oscillograph, and control the output of the function generator, D.C. regulated power supply.
The beneficial effects of the invention are as follows：The input/output signal of comprehensive tester is converted to by measurement verification by adapter
Signal in the range of platform test, according to《Integration test car vertification regulation》In requirement, by measurement verification platform to synthesis
Tester carries out dc source calibrating, the calibrating of simulated target capture signal, combined-voltage calibrating, DC current calibrating, frequency
Calibrating, time calibrating, conducting resistance calibrating and insulaion resistance calibrating.Due to measurement verification system by test cable directly with it is comprehensive
Close the connection of tester external interface, test object is comprehensive tester complete machine rather than internal standard equipment, more truly reflect by
The situation of each parameter index of object is surveyed, so as to improve measuring accuracy.
Brief description of the drawings
Fig. 1 is the measurement verification system structure diagram of measurement verification system embodiment of the present invention；
Fig. 2 is the dc source calibrating structural representation of measurement verification system embodiment of the present invention；
Fig. 3 is the simulated target capture calibrating structural representation of measurement verification system embodiment of the present invention；
Fig. 4 is the alternating voltage calibrating structural representation of measurement verification system embodiment of the present invention；
Fig. 5 is the DC voltage calibrating structural representation of measurement verification system embodiment of the present invention；
Fig. 6 is the DC current calibrating structural representation of measurement verification system embodiment of the present invention；
Fig. 7 is the frequency calibrating structural representation of measurement verification system embodiment of the present invention
Fig. 8 is the time calibrating structural representation of measurement verification system embodiment of the present invention；
Fig. 9 is the conducting resistance calibrating structural representation of measurement verification system embodiment of the present invention；
Figure 10 is the insulaion resistance calibrating structural representation of measurement verification system embodiment of the present invention.
Embodiment
Measurement verification system embodiment
As shown in figure 1, the measurement verification system of the embodiment of the present invention includes adapter and metrology and measurement platform；Metrology and measurement
Platform connects comprehensive tester UUT, comprehensive tester UUT connection auxiliary equipments by adapter.
Metrology and measurement platform includes digital multimeter, oscillograph, function generator, D.C. regulated power supply and acquisition control dress
Put, acquisition control device connection computer, for realizing to the calibrating of the dc source of comprehensive tester, simulated target capture signal
Calibrating, alternating voltage calibrating, DC voltage calibrating, DC current calibrating, frequency calibrating, the time calibrating, conducting resistance calibrating with
And insulaion resistance calibrating.
Adapter includes modulate circuit, and modulate circuit connection slide-wire rheostat, the test interface of adapter includes oscillograph
Measurement end, function signal input, 2 voltage tester ends, 2 testing current ends, 2 power ends and Control end, on
State each output end that interface connects metrology and measurement platform by relay correspondence respectively, the number that computer passes through acquisition control device
Word IO output control relays.The mating ports of adapter include frequency test end, the north source of 2 low-resistances, the north source of 2 high resistants
End, aviation socket P2X2 and P2X4, above-mentioned port is connected respectively comprehensive tester UUT corresponding ports.
Auxiliary equipment includes AC voltage regulator, for the dc source charging to comprehensive tester UUT.
Dc source calibrating separately below to comprehensive tester UUT, the calibrating of simulated target capture signal, alternating voltage are examined
Fixed, DC voltage calibrating, DC current calibrating, frequency calibrating, time calibrating, conducting resistance calibrating and insulaion resistance calibrating are done
Describe in detail.
Dc source is examined and determine
As shown in Fig. 2 dc source examines and determine project, the standard combined-voltage calibrating terminal (banana of digital multimeter
Head), standard direct current testing current terminal (banana head) standard combined-voltage calibrating terminal (banana head) respectively with adapter,
Standard direct current testing current terminal (banana head) is stably connected with, and the aviation socket P2X2-1 and P2X2-19 of adapter are corresponded to respectively
Connect comprehensive tester UUT aviation socket P2X2-1 and P2X2-19.AC voltage regulator one end connection exchange of auxiliary equipment
220V voltages, one end connection comprehensive tester UUT power outlet is charged to dc source.
Dc source calibrating is tested the input voltage of dc source by adjusting AC voltage regulator control, adjusts slip variable resistance
Device controls output loading, is adjusted for comprehensive tester UUT+20V, -20V, the output voltage of 5V dc sources, electric current, voltage
Scope, electric current adjust the projects such as scope, ripple factor to be tested, to reach the purpose to dc source measurement verification.Below with+
Exemplified by 20V dc source, the principle and process of dc source calibrating are introduced.
+ 20V dc sources (IIt is specified=3.5A) test class hold include output voltage, electric current, voltage adjust scope, electric current tune
Scope, ripple factor.
Wherein, output voltage (UIt is specified)：Tested power input rated voltage, when load current reaches rated current 80%, electricity
The magnitude of voltage of source output.Electric current adjusting range (△ UElectric current)：Tested power input rated voltage, load current is in rated current
Change in the range of 10%~80% and cause the excursion of output voltage, △ UElectric current=| UI is empty—UIt is specified|.Voltage adjusting range
(△UVoltage)：The load current of tested power supply is in 80% time work of rated current, and input voltage changes in rated range, leads
Cause the excursion of output voltage, △ UVoltage=UVL—UVH.Ripple factor (KRipple)：Tested power input rated voltage, load electricity
Stream exchanges shelves using universal meter or oscillograph tests output voltage in 20kHz frequencies when open circuit and rated current 80% work
Under magnitude of voltage UFull rmsAnd UEmpty rms, ripple factor
Its specific verification step is as follows：
The contact of slide-wire rheostat is allocated to trip point (rightmost side)；The relay of control adapter switchs to test circuit
Power supply examines and determine gear；AC voltage regulator is adjusted to 220V；
Comprehensive tester UUT unlatching+20V power supplys are controlled, confirm that the contact of slide-wire rheostat is maintained at trip point, observation electricity
Piezoelectricity flow valuve, after output voltage keeps stable, record output DC voltage value UI is empty；It is pressed with the alternating current under 20kHz frequencies
Valid value UEmpty rms；
The slow contact for stirring the slide-wire rheostat to the left, (I when output current reaches the 80% of load current valueIt is full=
IIt is specified× 80%=2.8A), stopping is stirred after slide-wire rheostat, voltage stabilization to be output, record output voltage values UIt is specifiedWith exchange
Voltage UFull rms；
Slow regulation AC voltage regulator, makes input voltage reach 198V, after after the output voltage stabilization of tested power supply, records
Output voltage values UVL；
Slow regulation AC voltage regulator, makes input voltage reach 242V, after after the output voltage stabilization of tested power supply, records
Output voltage values UVH；
Slow regulation AC transformer, makes input voltage reach 220V, then slowly stir slide-wire rheostat to the right to open circuit
Point, just can carry out next test event, or terminate test.
Simulated target capture signal calibrating
As shown in figure 3, simulated target capture signal calibrating project, the signal output terminal (BNC) of oscillograph board is with fitting
The oscillograph calibrating terminal (BNC) of orchestration is stably connected with；The frequency measurement terminal of adapter navigates with P1P5 in comprehensive tester UUT
Sky is inserted the BNC exits drawn and is stably connected with；Adapter has interface conversion function (by comprehensive tester UUT aviation socket
Be converted to the BNC socket of metrology and measurement platform) and jamproof function, it ensure that the uniformity of signal.
Tested transmitter output signal is connected to oscillograph by simulated target capture signal calibrating, is captured for simulated target
The frequency and level nature of signal are tested, to reach the measurement verification that signal is captured to simulated target.
Wherein, the square-wave signal frequency that frequency test exports for reading emitter, it is desirable to which output frequency is setting value；Level
Test to read the magnitude of voltage of the high and low level of emitter output square-wave signal correspondence；VH=2V~5.5V, VL=-0.5V~+
0.8V；Dutycycle is tested：The dutycycle for reading emitter output square-wave signal is setting value.
Its specific verification step is as follows：
The relay of control adapter makes test circuit switch to simulated target capture signal gear；Control comprehensive tester
UUT starts emitter；After oscillograph observes that output waveform is stable, the frequency of record emitter output and the voltage of low and high level
Value.
Alternating voltage is examined and determine
As shown in figure 4, alternating voltage examines and determine project, the standard combined-voltage calibrating terminal (banana head) of digital multimeter
It is stably connected with the standard combined-voltage calibrating terminal (banana head) of adapter；Function generator is defeated in alternating voltage calibrating
The function signal input (BNC) for going out terminal (BNC) and adapter is stably connected with；The aviation socket P2X4-7 of adapter and
P2X2-1 is connected respectively comprehensive tester UUT aviation socket P2X4-7 and P2X2-1.
Alternating voltage calibrating utilizes the digital multimeter in metrology and measurement platform and comprehensive tester UUT tested universal meter
The ac voltage signal that function generator is provided in common monitoring metrology and measurement platform, by way of comparing, examines and determine quilt
Ac voltage range of a universal meter is surveyed, and then is realized to comprehensive tester UUT progress alternating voltage calibratings.
Specific implementation is to utilize the function generator difference output frequency setpoint frequency built in metrology and measurement platform, width
Value is respectively a signal for setting magnitude of voltage, and then is entered using universal meter to be measured in oscillograph built in metrology and measurement platform and UUT
Row contrastive test.
Its specific verification step is as follows：
The relay of control adapter makes test circuit switch to alternating voltage test gear；Run function generator, is waited out
Output setting voltage, the sinusoidal waveform of setpoint frequency after machine is stable；
It was observed that after output voltage stable reading, starting comprehensive tester UTT alternating voltage self-test procedure, record test
Data；Tested successively by the digital multimeter in metrology and measurement platform and recording voltage value, and measured with UUT self-check programs
As a result comparing is carried out.
DC voltage is examined and determine
As shown in figure 5, DC voltage examines and determine project, the standard combined-voltage calibrating terminal (banana head) of digital multimeter
It is stably connected with the standard combined-voltage calibrating terminal (banana head) of adapter；D.C. regulated power supply connects in DC voltage calibrating
The power end of adapter is connect, the aviation socket P2X4-7 and P2X2-1 of adapter are connected respectively comprehensive tester UUT boat
Dummy receptacle P2X4-7 and P2X2-1.
DC voltage calibrating utilizes the digital multimeter in metrology and measurement platform and comprehensive tester UUT tested universal meter
The d. c. voltage signal that D.C. regulated power supply is provided in common monitoring metrology and measurement platform, by way of comparing, calibrating
Tested universal meter DC voltage shelves, and then realize to comprehensive tester UUT progress alternating voltage calibratings.
Wherein, DC voltage is to utilize universal meter DC voltage to be measured shelves, the reading of test voltage.
Its specific verification step is as follows：
The relay of control adapter makes test circuit switch to vdct gear；Confirm that slip becomes in verification system
Hinder device contact and be in trip point；Start D.C. regulated power supply, the DC voltage exported after start is stable；It was observed that output voltage
After stable reading, start UTT DC voltage self-test procedure, and record test data；Utilize the numeral ten thousand of metrology and measurement platform
Tested successively with table and recording voltage value, and the result measured with UUT self-check programs carries out comparing.
DC current is examined and determine
As shown in fig. 6, DC current examines and determine project, the standard combined-voltage calibrating terminal (banana of digital multimeter
Head), standard direct current testing current terminal (banana head) standard combined-voltage calibrating terminal (banana head) respectively with adapter,
Standard direct current testing current terminal (banana head) is stably connected with, and the aviation socket P2X2-1 and P2X2-19 of adapter are corresponded to respectively
Connect comprehensive tester UUT aviation socket P2X2-1 and P2X2-19.
DC current calibrating utilizes the digital multimeter in metrology and measurement platform and comprehensive tester UUT tested universal meter
The d. c. voltage signal that dc source is provided in common surveillance summary tester UUT, by way of comparing, calibrating is tested
Universal meter DC current shelves, and then realize to comprehensive tester UUT progress DC current calibratings.
Wherein, DC current is, using universal meter DC current shelves to be measured in UUT, to test 1A, 2A, 3A reading.
Its specific verification step is as follows：
The relay of control adapter makes test circuit switch to DC current test gear；Slide-wire rheostat is placed in most right
The trip point at end；Start comprehensive tester UUT -20V power supplys, monitor the output voltage of dc source, treat that voltage output is stable
Slide-wire rheostat is slowly stirred to the left afterwards until electric current is output as stopping during 3A；Start UTT DC current self-test procedure, record
Test data；Continue a left side and stir slide-wire rheostat, tested successively using digital multimeter in metrology and measurement platform and record 2A, 1A
Current value, and the result measured with UUT self-check programs carries out comparing.After calibrating is finished, slide-wire rheostat contact is placed in
Trip point.
Frequency is examined and determine
As shown in fig. 7, frequency examines and determine project, the signal output terminal (BNC) of oscillograph board and the oscillograph of adapter
Calibrating terminal (BNC) is stably connected with；The lead-out terminal (BNC) of function generator and the function signal input (BNC) of adapter
It is stably connected with；The aviation socket P2X4-5 and P2X2-1 of adapter are connected respectively comprehensive tester UUT aviation socket
P2X4-5 and P2X2-1.
Frequency calibrating is monitored jointly using the tested universal meter of the oscillograph in metrology and measurement platform and comprehensive tester UUT
Function generator in metrology and measurement platform provides the frequency parameter of sine wave signal, by way of comparing, examines and determine quilt
Universal meter frequency shelves are surveyed, and then realize that entering line frequency to comprehensive tester UUT examines and determine.
Wherein, frequency is using universal meter frequency shelves to be measured, the reading of test frequency in UUT.
Its specific verification step is as follows：
The relay of control adapter makes test circuit switch to frequency test gear；Run function generator, treats that start is steady
Setpoint frequency is exported after fixed, the sine wave signal of voltage is set；It was observed that after output waveform is stable, the frequency for starting UTT is tested oneself
Program, and record test data；Tested successively using the oscillograph in metrology and measurement platform and record function generator output
Frequency values, and the result measured with comprehensive tester UUT self-check programs carries out comparing.
Time examines and determine
As shown in figure 8, the time examines and determine project, the signal output terminal (BNC) of oscillograph board and the oscillograph of adapter
Calibrating terminal (BNC) is stably connected with；The lead-out terminal (BNC) of function generator and the function signal input (BNC) of adapter
It is stably connected with；The aviation socket P2X2-5 and P2X2-1 of adapter are connected respectively comprehensive tester UUT aviation socket
P2X2-5 and P2X2-1.
Time calibrating is monitored jointly using the tested universal meter of the oscillograph in metrology and measurement platform and comprehensive tester UUT
Function generator in metrology and measurement platform provides the time parameter of TTL signal, by way of comparing, and calibrating is tested
Bay during universal meter, and then realize to comprehensive tester UUT progress time calibratings.
Wherein, the time is bay, the reading of testing time when using universal meter to be measured in UUT.
Its specific verification step is as follows：
The relay of control adapter makes test circuit switch to time test gear；Run function generator, treats that start is steady
Output setting voltage, the TTL signal of setpoint frequency after fixed；It was observed that after output frequency stable reading, starting comprehensive tester UTT
Frequency self-test procedure, and record test data；Using the oscillograph built in metrology and measurement platform, test successively and record function
The time parameter recorded during the TTL signal of generator output frequency, and the result measured with UUT self-check programs carries out data ratio
It is right.
Conducting resistance is examined and determine
As shown in figure 9, conducting resistance calibrating project is (fragrant by the conducting resistance test plug in comprehensive tester UTT respectively
Any of several broadleaf plants head) and conducting resistance examine and determine in voltage tester plug (banana head) couple in adapter the north source terminal of low resistance, and will fit
Conducting measurement calibrating toggle switch in orchestration is placed in the resistance grade of setting.Pass through the digital versatile in metrology and measurement platform respectively
Tested universal meter in table and comprehensive tester UTT is tested the low resistance resistance in adapter, and contrast test result.
Its specific verification step is as follows：
The relay of control adapter makes test circuit switch to continuity test shelves；
By the north source terminal of the low resistance of conducting resistance test plug (banana head) couple in adapter in UUT, and will adaptation
Conducting measurement calibrating toggle switch in device is placed in the resistance grade of setting；Start the conducting resistance test journey in UUT self-check programs
Sequence, records the resistance value measured；Repeat the above steps, test successively and record resistance data；
By the north source terminal of the low resistance of voltage tester plug (banana head) couple in adapter in metrology and measurement platform, and will
Conducting measurement calibrating toggle switch in adapter is respectively placed in the resistance grade of setting, records the resistance value measured；Metering is surveyed
The resistance value that examination platform is measured carries out comparing with the resistance value that comprehensive tester UUT is measured.
Insulaion resistance is examined and determine
As shown in Figure 10, insulaion resistance calibrating project is (fragrant by the conducting resistance test plug in comprehensive tester UTT respectively
Any of several broadleaf plants head) and insulaion resistance examine and determine in voltage tester plug (banana head) couple in adapter the north source terminal of high resistance, and will fit
Conducting measurement calibrating toggle switch in orchestration is placed in the resistance grade of setting.Pass through the digital versatile in metrology and measurement platform respectively
Tested universal meter in table and comprehensive tester UTT is tested the high resistance measurement in adapter, and contrast test result.
Its specific verification step is as follows：
The relay of control adapter makes test circuit switch to continuity test shelves；
By the north source terminal of the high resistance of megger test plug (banana head) couple in adapter in UUT, and will adaptation
Conducting measurement calibrating toggle switch in device is placed in the resistance grade of setting；Start the megger test journey in UUT self-check programs
Sequence, records the resistance value measured；Repeat the above steps, test successively and record resistance data；
By the north source terminal of the high resistance of voltage tester plug (banana head) couple in adapter in metrology and measurement platform, and will
Conducting measurement calibrating toggle switch in adapter is respectively placed in the resistance gear of setting, records the resistance value measured；Will metering
The resistance value that test platform is measured carries out comparing with the resistance value that comprehensive tester UUT is measured.
Adapter embodiments
The adapter of the embodiment of the present invention is identical with the adapter in above-described embodiment, therefore not in this repeated description.
Metrology and measurement platform embodiment
The metrology and measurement platform of the embodiment of the present invention is identical with the metrology and measurement platform in above-described embodiment, therefore does not weigh herein
Multiple narration.
Claims (10)
1. comprehensive tester Portable metering verification system, it is characterised in that：Including adapter and metrology and measurement platform；Metering is surveyed
Platform connection adapter is tried, for connecting comprehensive tester by adapter；Comprehensive tester is connected to comprehensive tester
The AC voltage regulator of dc source charging；The metrology and measurement platform includes digital multimeter, oscillograph, function generator, straight
Flow voltage-stabilized power supply and acquisition control device；The acquisition control device is used to gather the digital multimeter, the output of oscillograph
Signal, and control the output of the function generator, D.C. regulated power supply；
The adapter includes being used to connect digital multimeter, oscillograph, function generator, direct current in the metrology and measurement platform
The test interface of voltage-stabilized power supply, and for connecting the adaptable interface of comprehensive tester corresponding terminal；The test interface is with fitting
With the calibrating circuit corresponding with the calibrating project set of composition between interface.
2. comprehensive tester Portable metering verification system according to claim 1, it is characterised in that：The integration test
Instrument Portable metering verification system also includes AC transformer, one end connection 220V AC powers of the AC transformer, institute
Stating the other end of AC transformer is used to connect comprehensive tester；The calibrating project is examined and determine including dc source, the direct current
Power supply examines and determine circuit：The digital multimeter test interface of adapter connects corresponding adaptable interface；The power supply calibrating passes through
Digital multimeter in metrology and measurement platform to the output voltage of the dc source of comprehensive tester, electric current, voltage adjusting range,
Electric current adjusting range, ripple factor are tested.
3. comprehensive tester Portable metering verification system according to claim 1, it is characterised in that：The calibrating project
Including simulated target capture signal calibrating, the simulated target capture signal calibrating circuit is：The oscillograph test of adapter connects
The corresponding adaptable interface of mouth connection；The simulated target capture signal calibrating is by the oscillograph in metrology and measurement platform to synthesis
The tested transmitter output signal of tester enters the test of line frequency and level.
4. comprehensive tester Portable metering verification system according to claim 1, it is characterised in that：The calibrating project
Including alternating voltage calibrating, the alternating voltage calibrating circuit is：The digital multimeter test interface of adapter and corresponding suitable
Connect the function generator test interface of adapter jointly with interface；The alternating voltage calibrating passes through in metrology and measurement platform
What the function generator in the common test and measuring test platform of tested universal meter in digital multimeter and comprehensive tester was produced
Same ac voltage signal.
5. comprehensive tester Portable metering verification system according to claim 1, it is characterised in that：The calibrating project
Including DC current calibrating, the DC current calibrating circuit is：The digital multimeter test interface connection of adapter is corresponding
Adaptable interface；The DC current calibrating passes through tested ten thousand in digital multimeter and comprehensive tester in metrology and measurement platform
The same DC current signal produced with the D.C. regulated power supply in the common test synthesis tester of table.
6. comprehensive tester Portable metering verification system according to claim 1, it is characterised in that：The calibrating project
Including frequency calibrating, the frequency calibrating circuit is：The oscillograph test interface and corresponding adaptable interface of adapter connect jointly
Connect the function generator test interface of adapter；The frequency calibrating passes through oscillograph and integration test in metrology and measurement platform
The same sine wave signal that function generator in the common test and measuring test platform of tested universal meter in instrument is produced.
7. comprehensive tester Portable metering verification system according to claim 1, it is characterised in that：The calibrating project
Including conducting resistance calibrating, the conducting resistance calibrating circuit includes resistor network, connects metering respectively by resistor network and surveys
Try platform and comprehensive tester；The conducting resistance calibrating passes through digital multimeter and comprehensive tester in metrology and measurement platform
In the common test adapter of tested universal meter in low resistance resistance.
8. comprehensive tester Portable metering verification system according to claim 1, it is characterised in that：The integration test
Instrument Portable metering verification system also includes computer, the acquisition control dress of the computer control connection metrology and measurement platform
Put.
9. a kind of comprehensive tester Portable metering verification system suitable for described in claim 1-7 any claims is suitable
Orchestration, it is characterised in that：Including for connecting digital multimeter in the metrology and measurement platform, it is oscillograph, function generator, straight
The test interface of voltage-stabilized power supply is flowed, and for connecting the adaptable interface of comprehensive tester corresponding terminal；The test interface with
Calibrating circuit corresponding with the calibrating project set is constituted between adaptable interface.
10. a kind of comprehensive tester Portable metering verification system suitable for described in claim 1-7 any claims
Metrology and measurement platform, it is characterised in that：Including digital multimeter, oscillograph, function generator, D.C. regulated power supply and collection control
Device processed；The acquisition control device is used to gather the digital multimeter, the output signal of oscillograph, and controls the letter
The output of number generator, D.C. regulated power supply.
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| CN201510625912.2A CN105258718B (en) | 2015-09-25 | 2015-09-25 | Comprehensive tester measurement verification system and adapter and metrology and measurement platform |
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| CN105258718A CN105258718A (en) | 2016-01-20 |
| CN105258718B true CN105258718B (en) | 2017-10-31 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105737880A (en) * | 2016-03-14 | 2016-07-06 | 宁波市计量测试研究院（宁波市衡器管理所） | Checking comparator and using method thereof |
| CN108919142A (en) * | 2018-07-27 | 2018-11-30 | 南京恩瑞特实业有限公司 | Secondary radar power supply debugs platform and adjustment method |
| CN112577542A (en) * | 2019-09-27 | 2021-03-30 | 广州中测检测技术有限公司 | Measuring instrument and remote quantity transmission/tracing method thereof |
| CN110187299B (en) * | 2019-06-13 | 2024-05-07 | 中国人民解放军空军工程大学航空机务士官学校 | General calibration system for electrical parameters of aviation support equipment |
| CN111806722B (en) * | 2020-07-27 | 2022-04-08 | 中国人民解放军海军航空大学 | Integral in-situ automatic metering and metering method for airborne equipment comprehensive automatic test system |
| CN112327793A (en) * | 2020-10-14 | 2021-02-05 | 贵州航天计量测试技术研究所 | Calibration method for test control box of ejection mechanism |
| CN112345862B (en) * | 2020-11-05 | 2021-10-22 | 山东山大电力技术股份有限公司 | Test tool system and method for three-terminal isolation sampling module |
| CN114859281A (en) * | 2022-05-31 | 2022-08-05 | 深圳天通信息科技有限公司 | Calibration device and method for function generator |
| CN116182929B (en) * | 2023-03-27 | 2024-03-12 | 中国人民解放军32181部队 | Metering adapter of motor-driven calibration vehicle |
| CN116465445B (en) * | 2023-03-27 | 2024-02-06 | 中国人民解放军32181部队 | Verification and calibration system of motor-driven calibration and calibration vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101487769B (en) * | 2008-01-18 | 2011-10-26 | 中兴通讯股份有限公司 | Automatic test system and method |
| CN102620764A (en) * | 2012-04-10 | 2012-08-01 | 中国人民解放军海军航空工程学院 | Metrological verification device for automatic test system |
| 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 |
| TWI464377B (en) * | 2012-04-27 | 2014-12-11 | Wistron Corp | Test device, detection system, and automatic detection method thereof |
| CN103134547B (en) * | 2013-01-15 | 2015-07-15 | 中国人民解放军91663部队 | Integration metrological verification device formed by multi-class standard instrument |
| CN103968868B (en) * | 2014-03-26 | 2016-07-06 | 中国人民解放军91635部队 | A kind of general metrology and measurement interface adapter |
| CN205079787U (en) * | 2015-09-25 | 2016-03-09 | 中国人民解放军防空兵学院 | Comprehensive tester metrological verification system and adapter and measurement test platform |
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