CN105258718A - Comprehensive tester metering detection system, adapter, and metering test platform - Google Patents
Comprehensive tester metering detection system, adapter, and metering test platform Download PDFInfo
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- CN105258718A CN105258718A CN201510625912.2A CN201510625912A CN105258718A CN 105258718 A CN105258718 A CN 105258718A CN 201510625912 A CN201510625912 A CN 201510625912A CN 105258718 A CN105258718 A CN 105258718A
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Abstract
The invention relates to a comprehensive tester metering detection system, an adapter, and a metering test platform. The comprehensive tester metering detection system comprises the adapter and the metering test platform, the metering test platform is connected with the adapter and connected with a comprehensive tester via the adapter, the metering test platform comprises a digital multimeter, an oscilloscope, a function generator, a direct current voltage-stabilizing power supply, and an acquisition control device, the acquisition control device is used for acquiring output signals of the digital multimeter and the oscilloscope and controlling the output of the function generator and the direct current voltage-stabilizing power supply, the adapter comprises test interfaces used for being connected with the digital multimeter, the oscilloscope, the function generator, and the direct current voltage-stabilizing power supply of the metering test platform and adaptive interfaces used for being connected with corresponding terminals of the comprehensive tester, and a detection circuit corresponding to set detection items is formed between the test interfaces and the adaptive interfaces. The test object is the whole machine of the comprehensive tester rather than internal standard equipment, the conditions of various parameter indexes of the tested object are truly reflected, and the test precision is improved.
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 for aircraft monitoring vehicle, its volume is comparatively large, not easy to assemble, and inner structure is complicated, is difficult to carry out effective measurement verification.At present, the measurement verification mode of comprehensive tester is the mode censorship using dismounting internal standard source/table censorship.
There are the following problems for the measurement verification mode of comprehensive tester of the prior art:
(1) non-dismountable, cannot complete machine censorship: because comprehensive tester is fixed in integration test car, after cannot being dismantled, complete machine is delivered to third party testing agency and carry out measurement verification.(2) parts censorship, measuring accuracy is poor: by comprehensive tester internal standard source/table dismounting censorship, because tester inner structure is complicated, the circuit of connection standard source/table is more, and cable is longer, cause verification result can not the index situation of a whole set of tester of complete reflection; (3) malfunction elimination cannot be carried out in outfield: when car breaks down in outfield, effectively cannot investigate failure cause.
Summary of the invention
The object of this invention is to provide comprehensive tester measurement verification system and adapter and metrology and measurement platform, in order to solve the low problem of Portable metering verification system measuring accuracy of the prior art.
For achieving the above object, the solution of the present invention comprises:
Comprehensive tester Portable metering verification system, comprises adapter and metrology and measurement platform; Metrology and measurement platform Payload attach fitting, for connecting comprehensive tester by adapter; Described metrology and measurement platform comprises digital multimeter, oscillograph, function generator, D.C. regulated power supply and acquisition control device; Described acquisition control device for gathering described digital multimeter, oscillographic output signal, and controls the output of described function generator, D.C. regulated power supply;
Described adapter comprises the test interface for connecting digital multimeter, oscillograph, function generator, D.C. regulated power supply in described metrology and measurement platform, and for connecting the adaptable interface of comprehensive tester corresponding terminal; The calibrating circuit that described test interface is corresponding with the calibrating project formed between adaptable interface with set.
Described comprehensive tester Portable metering verification system also comprises AC transformer, and one end of described AC transformer connects 220V AC power, and the other end of described AC transformer is for connecting comprehensive tester; Described calibrating project comprises direct supply calibrating, and described direct supply calibrating circuit is: the digital multimeter test interface of adapter connects corresponding adaptable interface; The calibrating of described power supply adjusts scope, electric current to adjust the project such as scope, ripple factor to test by the digital multimeter in metrology and measurement platform to the output voltage of the direct supply of comprehensive tester, electric current, voltage.
Described calibrating project comprises the calibrating of simulated target lock-on signal, and described simulated target lock-on signal calibrating circuit is: the oscillograph test interface of adapter connects corresponding adaptable interface; Described simulated target lock-on signal calibrating carries out frequency by the tested transmitter output signal of the oscillograph in metrology and measurement platform to comprehensive tester and level is tested.
Described calibrating project comprises alternating voltage calibrating, and described alternating voltage calibrating circuit is: the digital multimeter test interface of adapter and the function generator test interface of the corresponding common Payload attach fitting of adaptable interface; The same ac voltage signal that described alternating voltage calibrating is produced by the function generator in the tested multimeter common test and measuring test platform in the digital multimeter in metrology and measurement platform and comprehensive tester.
Described calibrating project comprises DC voltage calibrating, and described DC voltage calibrating circuit is: the digital multimeter test interface of adapter and the D.C. regulated power supply test interface of the corresponding common Payload attach fitting of adaptable interface; The same d. c. voltage signal that described DC voltage calibrating is produced by the D.C. regulated power supply in the tested multimeter common test and measuring test platform in the digital multimeter in metrology and measurement platform and comprehensive tester.
Described calibrating project comprises DC current calibrating, and described DC current calibrating circuit is: the digital multimeter test interface of adapter connects corresponding adaptable interface; The same DC current signal that described DC current calibrating is produced by the D.C. regulated power supply in the tested multimeter common test synthesis tester in the digital multimeter in metrology and measurement platform and comprehensive tester.
Described calibrating project comprises frequency calibrating, and described frequency calibrating circuit is: the oscillograph test interface of adapter and the function generator test interface of the corresponding common Payload attach fitting of adaptable interface; The same sine wave signal that described frequency calibrating is produced by the function generator in the tested multimeter common test and measuring test platform in the oscillograph in metrology and measurement platform and comprehensive tester.
Described calibrating project comprises time calibrating, and described time calibrating circuit is: the oscillograph test interface of adapter and the function generator test interface of the corresponding common Payload attach fitting of adaptable interface; The same TTL signal that described time calibrating is produced by the function generator in the tested multimeter common test and measuring test platform in the oscillograph in metrology and measurement platform and comprehensive tester.
Described calibrating project comprises conducting resistance calibrating, and described conducting resistance calibrating circuit comprises resistor network, by resistor network connect respectively metrology and measurement platform with for being connected comprehensive tester; Described conducting resistance calibrating is by the low resistance resistance in the common test adapter of tested multimeter in the digital multimeter in metrology and measurement platform and comprehensive tester.
Described calibrating project comprises insulation resistance calibrating, described insulation resistance calibrating circuit for comprising resistor network, by resistor network connect respectively metrology and measurement platform with for being connected comprehensive tester; Described insulation resistance calibrating is by the high resistance measurement in the common test adapter of tested multimeter in the digital multimeter in metrology and measurement platform and comprehensive tester.
Described Portable metering verification system also comprises computing machine, the acquisition control device of metrology and measurement platform described in computing machine control linkage.
A kind of adapter being applicable to above-mentioned comprehensive tester Portable metering verification system, comprise the test interface for connecting digital multimeter, oscillograph, function generator, D.C. regulated power supply in described metrology and measurement platform, and for connecting the adaptable interface of comprehensive tester corresponding terminal; The calibrating circuit that described test interface is corresponding with the calibrating project formed between adaptable interface with set.
Be applicable to a metrology and measurement platform for above-mentioned comprehensive tester Portable metering verification system, comprise digital multimeter, oscillograph, function generator, D.C. regulated power supply and acquisition control device; Described acquisition control device for gathering described digital multimeter, oscillographic output signal, and controls the output of described function generator, D.C. regulated power supply.
The invention has the beneficial effects as follows: by adapter the input/output signal of comprehensive tester is converted to the signal within the scope of measurement verification platform test, according to the requirement in " integration test car vertification regulation ", by measurement verification platform, direct supply calibrating, the calibrating of simulated target lock-on signal, combined-voltage calibrating, DC current calibrating, frequency calibrating, time calibrating, conducting resistance calibrating and insulation resistance calibrating are carried out to comprehensive tester.Because measurement verification system is directly connected with comprehensive tester external interface by test cable, tested object is comprehensive tester complete machine but not internal standard equipment, more truly reflects the situation of each parameter index of measurand, thus improves measuring accuracy.
Accompanying drawing explanation
Fig. 1 is the measurement verification system architecture schematic diagram of measurement verification system embodiment of the present invention;
Fig. 2 is the direct supply calibrating structural representation of measurement verification system embodiment of the present invention;
Fig. 3 is that the simulated target of measurement verification system embodiment of the present invention catches calibrating structural representation;
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 insulation 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 comprises adapter and metrology and measurement platform; Metrology and measurement platform connects comprehensive tester UUT by adapter, and comprehensive tester UUT connects utility appliance.
Metrology and measurement platform comprises digital multimeter, oscillograph, function generator, D.C. regulated power supply and acquisition control device, acquisition control device connects computing machine, and for realizing examine and determine the direct supply of comprehensive tester, the calibrating of simulated target lock-on signal, alternating voltage calibrating, DC voltage calibrating, DC current calibrating, frequency calibrating, time calibrating, conducting resistance calibrating and insulation resistance examine and determine.
Adapter comprises modulate circuit, modulate circuit connects rheochord, the test interface of adapter comprises oscilloscope measurement end, function signal input end, 2 voltage tester ends, 2 testing current ends, 2 power ends and Control ends, above-mentioned interface connects each output terminal of metrology and measurement platform respectively by relay correspondence, and computing machine is by the Digital I/O output control relay of acquisition control device.The mating ports of adapter comprises frequency test end, 2 north sources of low-resistance, 2 high resistants north source, aviation socket P2X2 and P2X4, and above-mentioned port is connected respectively the corresponding ports of comprehensive tester UUT.
Utility appliance comprises AC voltage regulator, for charging to the direct supply of comprehensive tester UUT.
Respectively the direct supply of comprehensive tester UUT is examined and determine below, simulated target lock-on signal calibrating, alternating voltage calibrating, DC voltage calibrating, DC current calibrating, frequency calibrating, the time calibrating, conducting resistance calibrating and insulation resistance calibrating elaborate.
Direct supply is examined and determine
As shown in Figure 2, direct supply calibrating project, the standard combined-voltage calibrating terminal (banana head) of digital multimeter, standard direct current testing current terminal (banana head) respectively with the standard combined-voltage calibrating terminal (banana head) of adapter, standard direct current testing current terminal (banana head) is stable is connected, aviation socket P2X2-1 and P2X2-19 of adapter is connected respectively aviation socket P2X2-1 and P2X2-19 of comprehensive tester UUT.AC voltage regulator one end of utility appliance connects alternating current 220V voltage, and the supply socket that one end connects comprehensive tester UUT is charged to direct supply.
Direct supply calibrating controls the input voltage of tested direct supply by adjustment AC voltage regulator, rheochord is regulated to control output load, scope, electric current is adjusted to adjust the project such as scope, ripple factor to test, to reach the object to direct supply measurement verification for the output voltage of+the 20V ,-20V of comprehensive tester UUT, 5V direct supply, electric current, voltage.Below for the direct supply of+20V, introduce principle and the process of direct supply calibrating.
+ 20V direct supply (I
specified=3.5A) test class hold comprise output voltage, electric current, voltage adjust scope, electric current adjust scope, ripple factor.
Wherein, output voltage (U
specified): tested power supply input rated voltage, when load current reaches rated current 80%, the magnitude of voltage that power supply exports.Electric current setting range (△ U
electric current): tested power supply input rated voltage, load current changes and causes the variation range of output voltage, △ U in rated current 10% ~ 80% scope
electric current=| U
i is empty-U
specified|.Voltage adjusting range (△ U
voltage): the load current of tested power supply is when rated current 80% time work, and input voltage changes in rated range, causes the variation range of output voltage, △ U
voltage=U
vL-U
vH.Ripple factor (K
ripple): tested power supply input rated voltage, load current, when opening a way and rated current 80% works, utilizes multimeter to exchange shelves or the magnitude of voltage U of oscillograph test output voltage under 20kHz frequency
full rmsand U
empty rms, ripple factor
Its concrete verification step is as follows:
The contact of rheochord is allocated to trip point (rightmost side); The relay controlling adapter makes test circuit transfer power supply calibrating gear to; Adjustment AC voltage regulator is to 220V;
Control comprehensive tester UUT and open+20V power supply, confirm that the contact of rheochord remains on trip point, observation electric current and voltage value, after output voltage maintenance is stable, record exports DC voltage value U
i is empty; With the alternating voltage effective value U under 20kHz frequency
empty rms;
Stir the contact of rheochord slowly left, (the I when output current reaches 80% of load current value
full=I
specified× 80%=2.8A), stop stirring rheochord, after voltage stabilization to be output, record output voltage values U
specifiedwith alternating voltage U
full rms;
Slow adjustment AC voltage regulator, makes input voltage reach 198V, after the output voltage stabilization of tested power supply, and record output voltage values U
vL;
Slow adjustment AC voltage regulator, makes input voltage reach 242V, after the output voltage stabilization of tested power supply, and record output voltage values U
vH;
Slow adjustment AC transformer, makes input voltage reach 220V, more slowly stirs rheochord to the right to trip point, just can carry out next test event, or terminates test.
Simulated target lock-on signal is examined and determine
As shown in Figure 3, simulated target lock-on signal calibrating project, the signal output terminal (BNC) of oscillograph board is connected with the oscillograph calibrating terminal (BNC) of adapter is stable; Frequency measurement terminal and the P1P5 aviation in comprehensive tester UUT of adapter insert that the BNC exit of extraction is stable to be connected; Adapter has interface conversion function (aviation socket of comprehensive tester UUT being converted to the BNC socket of metrology and measurement platform) and jamproof function, can ensure the consistance of signal.
Tested transmitter output signal is connected to oscillograph by the calibrating of simulated target lock-on signal, tests for the frequency of simulated target lock-on signal and level nature, to reach the measurement verification to simulated target lock-on signal.
Wherein, frequency test is the square-wave signal frequency reading transmitter output, requires that output frequency is setting value; Level detecting is read the magnitude of voltage that transmitter exports the corresponding high and low level of square-wave signal; VH=2V ~ 5.5V, VL=-0.5V ~+0.8V; Dutycycle is tested: the dutycycle reading transmitter output square-wave signal is setting value.
Its concrete verification step is as follows:
The relay controlling adapter makes test circuit transfer simulated target lock-on signal gear to; Control comprehensive tester UUT and start transmitter; Oscillograph observe output waveform stable after, the magnitude of voltage of the frequency that record transmitter exports and low and high level.
Alternating voltage is examined and determine
As shown in Figure 4, alternating voltage calibrating project, the standard combined-voltage calibrating terminal (banana head) of digital multimeter is connected with the standard combined-voltage calibrating terminal (banana head) of adapter is stable; In alternating voltage calibrating, the function signal input end (BNC) of lead-out terminal (BNC) and the adapter of function generator is stablized and is connected; Aviation socket P2X4-7 and P2X2-1 of adapter is connected respectively aviation socket P2X4-7 and P2X2-1 of comprehensive tester UUT.
Alternating voltage calibrating utilizes the tested multimeter of the digital multimeter in metrology and measurement platform and comprehensive tester UUT jointly to monitor the ac voltage signal that in metrology and measurement platform, function generator provides, by the mode of comparing, examine and determine tested ac voltage range of a universal meter, and then realize carrying out alternating voltage calibrating to comprehensive tester UUT.
Specific implementation is the function generator respectively output frequency setpoint frequency utilizing metrology and measurement platform built-in, and amplitude is respectively the signal of a setting voltage value, and then utilizes multimeter to be measured in the built-in oscillograph of metrology and measurement platform and UUT to compare test.
Its concrete verification step is as follows:
The relay controlling adapter makes test circuit transfer alternating voltage test gear to; Run function generator, exports setting voltage, the sinusoidal waveform of setpoint frequency after start is stable;
After observing output voltage stable reading, start the alternating voltage self-test procedure of comprehensive tester UTT, record test data; Tested successively and recording voltage value by the digital multimeter in metrology and measurement platform, and carry out comparing with the result that UUT self-check program records.
DC voltage is examined and determine
As shown in Figure 5, DC voltage calibrating project, the standard combined-voltage calibrating terminal (banana head) of digital multimeter is connected with the standard combined-voltage calibrating terminal (banana head) of adapter is stable; The power end of D.C. regulated power supply Payload attach fitting in DC voltage calibrating, aviation socket P2X4-7 and P2X2-1 of adapter is connected respectively aviation socket P2X4-7 and P2X2-1 of comprehensive tester UUT.
DC voltage calibrating utilizes the tested multimeter of the digital multimeter in metrology and measurement platform and comprehensive tester UUT jointly to monitor the d. c. voltage signal that in metrology and measurement platform, D.C. regulated power supply provides, by the mode of comparing, examine and determine tested multimeter shelves of direct voltage, and then realize carrying out alternating voltage calibrating to comprehensive tester UUT.
Wherein, DC voltage is for utilizing multimeter shelves of direct voltage to be measured, the reading of test voltage.
Its concrete verification step is as follows:
The relay controlling adapter makes test circuit transfer vdct gear to; Confirm that in verification system, rheochord contact is in trip point; Start D.C. regulated power supply, the DC voltage exported after start is stable; After observing output voltage stable reading, start the DC voltage self-test procedure of UTT, and record test data; Utilize the digital multimeter of metrology and measurement platform to test successively and recording voltage value, and carry out comparing with the result that UUT self-check program records.
DC current is examined and determine
As shown in Figure 6, DC current calibrating project, the standard combined-voltage calibrating terminal (banana head) of digital multimeter, standard direct current testing current terminal (banana head) respectively with the standard combined-voltage calibrating terminal (banana head) of adapter, standard direct current testing current terminal (banana head) is stable is connected, aviation socket P2X2-1 and P2X2-19 of adapter is connected respectively aviation socket P2X2-1 and P2X2-19 of comprehensive tester UUT.
DC current calibrating utilizes the d. c. voltage signal that in the tested multimeter common surveillance summary tester UUT of the digital multimeter in metrology and measurement platform and comprehensive tester UUT, direct supply provides, by the mode of comparing, examine and determine tested multimeter DC current shelves, and then realize carrying out DC current calibrating to comprehensive tester UUT.
Wherein, DC current, for using multimeter DC current shelves to be measured in UUT, tests the reading of 1A, 2A, 3A.
Its concrete verification step is as follows:
The relay controlling adapter makes test circuit transfer DC current test gear to; Rheochord is placed in the trip point of low order end; Start-20V the power supply of comprehensive tester UUT, monitor the output voltage of direct supply, after voltage stable output, slowly stir rheochord left until electric current output stops for during 3A; Start the DC current self-test procedure of UTT, record test data; Continue a left side and stir rheochord, utilize digital multimeter in metrology and measurement platform test successively and record 2A, 1A current value, and carry out comparing with the result that UUT self-check program records.After calibrating, rheochord contact is placed in trip point.
Frequency is examined and determine
As shown in Figure 7, frequency calibrating project, the signal output terminal (BNC) of oscillograph board is connected with the oscillograph calibrating terminal (BNC) of adapter is stable; The lead-out terminal (BNC) of function generator is connected with the function signal input end (BNC) of adapter is stable; Aviation socket P2X4-5 and P2X2-1 of adapter is connected respectively aviation socket P2X4-5 and P2X2-1 of comprehensive tester UUT.
The function generator that frequency calibrating utilizes the tested multimeter of the oscillograph in metrology and measurement platform and comprehensive tester UUT jointly to monitor in metrology and measurement platform provides the frequency parameter of sine wave signal, by the mode of comparing, examine and determine tested multimeter frequency shelves, and then realize carrying out frequency calibrating to comprehensive tester UUT.
Wherein, frequency is for using multimeter frequency shelves to be measured in UUT, the reading of test frequency.
Its concrete verification step is as follows:
The relay controlling adapter makes test circuit transfer frequency test gear to; Run function generator, exports setpoint frequency, the sine wave signal of setting voltage after start is stable; Observe output waveform stable after, start the frequency self-test procedure of UTT, and record test data; Utilize the oscillograph in metrology and measurement platform to test successively and record the frequency values that function generator exports, and carrying out comparing with the result that comprehensive tester UUT self-check program records.
Time examines and determine
As shown in Figure 8, time calibrating project, the signal output terminal (BNC) of oscillograph board is connected with the oscillograph calibrating terminal (BNC) of adapter is stable; The lead-out terminal (BNC) of function generator is connected with the function signal input end (BNC) of adapter is stable; Aviation socket P2X2-5 and P2X2-1 of adapter is connected respectively aviation socket P2X2-5 and P2X2-1 of comprehensive tester UUT.
Time calibrating utilize the tested multimeter of the oscillograph in metrology and measurement platform and comprehensive tester UUT jointly monitor function generator in metrology and measurement platform the time parameter of TTL signal is provided, by the mode of comparing, bay when examining and determine tested multimeter, and then realize carrying out time calibrating to comprehensive tester UUT.
Wherein, the time is bay when using multimeter to be measured in UUT, the reading of test duration.
Its concrete verification step is as follows:
The relay controlling adapter makes test circuit transfer time test gear to; Run function generator, exports the TTL signal of setting voltage, setpoint frequency after start is stable; After observing output frequency stable reading, start the frequency self-test procedure of comprehensive tester UTT, and record test data; Utilize the oscillograph that metrology and measurement platform is built-in, the time parameter recorded when testing successively and record the TTL signal of function generator output frequency, and carry out comparing with the result that UUT self-check program records.
Conducting resistance is examined and determine
As shown in Figure 9, conducting in adapter respectively by the north source terminal of low resistance of voltage tester plug (banana head) couple in adapter in the conducting resistance test plug (banana head) in comprehensive tester UTT and conducting resistance calibrating, and is measured the resistance grade that calibrating toggle switch is placed in setting by conducting resistance calibrating project.Respectively by the tested multimeter in the digital multimeter in metrology and measurement platform and comprehensive tester UTT, the low resistance resistance in adapter is tested, and contrast test result.
Its concrete verification step is as follows:
The relay controlling adapter makes test circuit transfer continuity test shelves to;
By north for the low resistance of conducting resistance test plug (banana head) couple in adapter in UUT source terminal, and the conducting in adapter is measured the resistance grade that calibrating toggle switch is placed in setting; Start the conducting resistance test procedure in UUT self-check program, record the resistance value recorded; Repeat above-mentioned steps, test successively and record resistance data;
By north for the low resistance of voltage tester plug (banana head) couple in adapter in metrology and measurement platform source terminal, and the conducting in adapter is measured the resistance grade that calibrating toggle switch is placed in setting respectively, record the resistance value recorded; The resistance value that the resistance value record metrology and measurement platform and comprehensive tester UUT record carries out comparing.
Insulation resistance is examined and determine
As shown in Figure 10, conducting in adapter respectively by the north source terminal of high resistance of voltage tester plug (banana head) couple in adapter in the conducting resistance test plug (banana head) in comprehensive tester UTT and insulation resistance calibrating, and is measured the resistance grade that calibrating toggle switch is placed in setting by insulation resistance calibrating project.Respectively by the tested multimeter in the digital multimeter in metrology and measurement platform and comprehensive tester UTT, the high resistance measurement in adapter is tested, and contrast test result.
Its concrete verification step is as follows:
The relay controlling adapter makes test circuit transfer continuity test shelves to;
By north for the high resistance of megger test plug (banana head) couple in adapter in UUT source terminal, and the conducting in adapter is measured the resistance grade that calibrating toggle switch is placed in setting; Start the megger test program in UUT self-check program, record the resistance value recorded; Repeat above-mentioned steps, test successively and record resistance data;
By north for the high resistance of voltage tester plug (banana head) couple in adapter in metrology and measurement platform source terminal, and the conducting in adapter is measured the resistance gear that calibrating toggle switch is placed in setting respectively, record the resistance value recorded; The resistance value that the resistance value record metrology and measurement platform and comprehensive tester UUT record carries out comparing.
Adapter embodiments
The adapter of the embodiment of the present invention is identical with the adapter in above-described embodiment, therefore not at 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 not at this repeated description.
Claims (10)
1. comprehensive tester Portable metering verification system, is characterized in that: comprise adapter and metrology and measurement platform; Metrology and measurement platform Payload attach fitting, for connecting comprehensive tester by adapter; Described metrology and measurement platform comprises digital multimeter, oscillograph, function generator, D.C. regulated power supply and acquisition control device; Described acquisition control device for gathering described digital multimeter, oscillographic output signal, and controls the output of described function generator, D.C. regulated power supply;
Described adapter comprises the test interface for connecting digital multimeter, oscillograph, function generator, D.C. regulated power supply in described metrology and measurement platform, and for connecting the adaptable interface of comprehensive tester corresponding terminal; The calibrating circuit that described test interface is corresponding with the calibrating project formed between adaptable interface with set.
2. comprehensive tester Portable metering verification system according to claim 1, it is characterized in that: described comprehensive tester Portable metering verification system also comprises AC transformer, one end of described AC transformer connects 220V AC power, and the other end of described AC transformer is for connecting comprehensive tester; Described calibrating project comprises direct supply calibrating, and described direct supply calibrating circuit is: the digital multimeter test interface of adapter connects corresponding adaptable interface; The calibrating of described power supply adjusts scope, electric current to adjust the project such as scope, ripple factor to test by the digital multimeter in metrology and measurement platform to the output voltage of the direct supply of comprehensive tester, electric current, voltage.
3. comprehensive tester Portable metering verification system according to claim 1, it is characterized in that: described calibrating project comprises the calibrating of simulated target lock-on signal, described simulated target lock-on signal calibrating circuit is: the oscillograph test interface of adapter connects corresponding adaptable interface; Described simulated target lock-on signal calibrating carries out frequency by the tested transmitter output signal of the oscillograph in metrology and measurement platform to comprehensive tester and level is tested.
4. comprehensive tester Portable metering verification system according to claim 1, it is characterized in that: described calibrating project comprises alternating voltage calibrating, described alternating voltage calibrating circuit is: the digital multimeter test interface of adapter and the function generator test interface of the corresponding common Payload attach fitting of adaptable interface; The same ac voltage signal that described alternating voltage calibrating is produced by the function generator in the tested multimeter common test and measuring test platform in the digital multimeter in metrology and measurement platform and comprehensive tester.
5. comprehensive tester Portable metering verification system according to claim 1, it is characterized in that: described calibrating project comprises DC current calibrating, described DC current calibrating circuit is: the digital multimeter test interface of adapter connects corresponding adaptable interface; The same DC current signal that described DC current calibrating is produced by the D.C. regulated power supply in the tested multimeter common test synthesis tester in the digital multimeter in metrology and measurement platform and comprehensive tester.
6. comprehensive tester Portable metering verification system according to claim 1, it is characterized in that: described calibrating project comprises frequency calibrating, described frequency calibrating circuit is: the oscillograph test interface of adapter and the function generator test interface of the corresponding common Payload attach fitting of adaptable interface; The same sine wave signal that described frequency calibrating is produced by the function generator in the tested multimeter common test and measuring test platform in the oscillograph in metrology and measurement platform and comprehensive tester.
7. comprehensive tester Portable metering verification system according to claim 1, it is characterized in that: described calibrating project comprises conducting resistance calibrating, described conducting resistance calibrating circuit comprises resistor network, by resistor network connect respectively metrology and measurement platform with for being connected comprehensive tester; Described conducting resistance calibrating is by the low resistance resistance in the common test adapter of tested multimeter in the digital multimeter in metrology and measurement platform and comprehensive tester.
8. comprehensive tester Portable metering verification system according to claim 1, is characterized in that: described Portable metering verification system also comprises computing machine, the acquisition control device of metrology and measurement platform described in computing machine control linkage.
9. one kind is applicable to the adapter of the comprehensive tester Portable metering verification system described in the arbitrary claim of claim 1-7, it is characterized in that: comprise the test interface for connecting digital multimeter, oscillograph, function generator, D.C. regulated power supply in described metrology and measurement platform, and for connecting the adaptable interface of comprehensive tester corresponding terminal; The calibrating circuit that described test interface is corresponding with the calibrating project formed between adaptable interface with set.
10. be applicable to a metrology and measurement platform for the comprehensive tester Portable metering verification system described in the arbitrary claim of claim 1-7, it is characterized in that: comprise digital multimeter, oscillograph, function generator, D.C. regulated power supply and acquisition control device; Described acquisition control device for gathering described digital multimeter, oscillographic output signal, and controls the output of described function 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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| 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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| 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 |
| CN110187299A (en) * | 2019-06-13 | 2019-08-30 | 中国人民解放军空军工程大学航空机务士官学校 | A kind of aviation Support Equipment electrical parameter generic calibration system |
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| 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 |
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| CN116465445A (en) * | 2023-03-27 | 2023-07-21 | 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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| CN110187299A (en) * | 2019-06-13 | 2019-08-30 | 中国人民解放军空军工程大学航空机务士官学校 | A kind of aviation Support Equipment electrical parameter generic calibration system |
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| CN111806722A (en) * | 2020-07-27 | 2020-10-23 | 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 |
| 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 |
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| 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 |
| CN116182929A (en) * | 2023-03-27 | 2023-05-30 | 中国人民解放军32181部队 | Metering adapter of motor-driven calibration vehicle |
| CN116465445A (en) * | 2023-03-27 | 2023-07-21 | 中国人民解放军32181部队 | Verification and calibration system of motor-driven calibration and 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 |
| 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 |
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