CN204347228U - A kind of engine special test equipment field calibration device - Google Patents
A kind of engine special test equipment field calibration device Download PDFInfo
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- CN204347228U CN204347228U CN201420791250.7U CN201420791250U CN204347228U CN 204347228 U CN204347228 U CN 204347228U CN 201420791250 U CN201420791250 U CN 201420791250U CN 204347228 U CN204347228 U CN 204347228U
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Abstract
The utility model relates to a kind of engine special test equipment field calibration device, comprises interface adapter (2), switch matrix (3), standard resource (10), Measurement &control computer (9) and environmental parameter measuring unit (11).The utility model can realize the field calibration of multiple special test equipment, solves the field calibration problem of engine special test equipment.The multi-functional calibration source of the FLUKE5522A that the utility model adopts and FLUKE8508A digital multimeter, the single channel high-precision calibration of multiple electrical parameter can be realized, the multichannel programmed criteria source of developing, multichannel programmed criteria table can realize the hyperchannel of multiple electrical parameter, wide-range calibrates simultaneously.
Description
Technical field
The utility model relates to special test equipment collimation technique field, in particular to a kind of engine special test equipment field calibration device.
Background technology
In reseach of engine, production and process of the test, have developed multiple special test equipment, have the isoparametric output of resistance, voltage, electric current and measurement function, for solving solenoid valve related test problems.For ensureing the accuracy of test, need to calibrate it.There is the feature that parameter kind is many, parameter channel number is many and hyperchannel works simultaneously in these special test equipments.
Be in the patent of ZL200420110581.6 in the patent No., refer to a kind of Multifunctional standard source automatic testing system be made up of program-controlled instrument based on gpib bus and interface, can realize digital multimeter and the single pass automatic test of Multifunctional standard source automatic, but the needs that this patent can not meet engine special test equipment multiparameter, hyperchannel is calibrated simultaneously.
Summary of the invention
In order to solve the field calibration problem of engine special test equipment, the utility model provides a kind of engine special test equipment field calibration device, can realize the field calibration of multiple special test equipment.
Technical solution of the present utility model:
A kind of engine special test equipment field calibration device, its special character is: comprise interface adapter 2, switch matrix 3, standard resource 10, Measurement &control computer 9 and environmental parameter measuring unit 11, described standard resource 10 comprises multi-functional calibration source 4, digital multimeter 5, multichannel programmed criteria source 6 and multichannel programmed criteria table 7, described environmental parameter measuring unit 11 is connected with switch matrix, be connected with interface adapter 2 by interface Adapter Cable by school special test equipment, be connected with Measurement &control computer by gpib bus by school special test equipment; Described multichannel programmed criteria source, multichannel programmed criteria table, multi-functional calibration source are all connected with Measurement &control computer by gpib bus with one end of digital multimeter, and its other end is all connected with switch matrix by signal bus cable.
Above-mentioned multichannel programmed criteria source 6 comprises power supply 61, hyperchannel standard signal output interface 62, gpib interface 63, source bus backboard 64, standard source board 65, source master control borad 66 and source cabinet 67, and described standard source board 65 is made up of hyperchannel electrical quantity standard module.
Above-mentioned multichannel programmed criteria table comprises apparent source 71, hyperchannel standard signal measurement interface 72, gpib interface 73, table bus backboard 74, standard scale board 75, table master control borad 76 and table cabinet 77, and described standard scale board 75 is made up of hyperchannel electrical parameter measuring module.
Above-mentioned multi-functional calibration source is the multi-functional calibration source 5522A of Fluke company.
Above-mentioned digital multimeter is Fluke company digital multimeter 8508A.
The advantage that the utility model has:
1, the multi-functional calibration source of FLUKE5522A that adopts of the utility model and FLUKE8508A digital multimeter, the single channel high-precision calibration of multiple electrical parameter can be realized, the multichannel programmed criteria source of developing, multichannel programmed criteria table can realize the hyperchannel of multiple electrical parameter, wide-range calibrates simultaneously.
2, the switch matrix that adopts of the utility model, can realize the switching of low thermoelectrical potential, low Leakage Current, high voltage, big current, alternating voltage and current parameters, little on the impact of calibration result.
3, for reducing the impact of intermediate link, the utility model does not adopt the array configuration of interface adapter cabinet and interface adapter, but interface adapter is directly inserted the form in switch matrix cabinet slot by employing, reduces the impact of intermediate connecting ring joint.
Accompanying drawing explanation
Fig. 1 is special test equipment field calibration device system chart;
Fig. 2 is multichannel programmed criteria source structure block diagram;
Fig. 3 is multichannel programmed criteria list structure block diagram;
Fig. 4 is DC voltage standard module frame chart;
Fig. 5 is electrical parameter measurement module structured flowchart;
Fig. 6 is low-heat potential switch matrix principle block diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
As shown in Figure 1, comprise interface adapter 2, switch matrix 3, standard resource 10, Measurement &control computer 9 and environmental parameter measuring unit 11, described standard resource 10 comprises multi-functional calibration source 4, digital multimeter 5, multichannel programmed criteria source 6 and multichannel programmed criteria table 7, described environmental parameter measuring unit 11 is connected with switch matrix, be connected with interface adapter 2 by interface Adapter Cable by school special test equipment, be connected with Measurement &control computer by gpib bus by school special test equipment; Multichannel programmed criteria source, multichannel programmed criteria table, multi-functional calibration source are all connected with Measurement &control computer by gpib bus with one end of digital multimeter, and its other end is all connected with switch matrix by signal bus cable.Multi-functional calibration source is Fluke company 5522A, and digital multimeter is Fluke company 8508A.
Multichannel programmed criteria source 6 is made up of power supply 61, hyperchannel standard signal output interface 62 and gpib interface 63, source bus backboard 64, standard source board 65, source master control borad 66, source cabinet 67.Standard source board 65 is made up of hyperchannel electrical quantity standard module 651 ~ 658, as shown in Figure 2.
Similarly, multichannel programmed criteria table is made up of apparent source 71, hyperchannel standard signal measurement interface 72 and gpib interface 73, table bus backboard 74, standard scale board 75, table master control borad 76, table cabinet 77.Standard scale board 75 is made up of hyperchannel electrical parameter measuring module 751 ~ 758, as shown in Figure 3.
Switch matrix kind has low-heat potential switch matrix, low Leakage Current switch matrix, high-voltage switch matrix, high-current switch matrix, alternating voltage and current switch matrix.The Primary Component of low-heat potential switch matrix is field effect transistor, the Primary Component of low Leakage Current switch matrix is high insulation double shield relay, the Primary Component of high-voltage switch matrix is 3kV high-voltage relay, the Primary Component of high-current switch matrix is 50A high-current relay, and the Primary Component of alternating-current switch matrix is low electric capacity high frequency relay.
Be connected with interface adapter by interface Adapter Cable by school special test equipment, be connected with computing machine by gpib bus by school special test equipment.Multichannel programmed criteria source is under master control borad controls, and standard source board exports various standard signal by gpib interface, carries out signals collecting by by school instrument, and standard signal and measurement result compare, and realizes calibration.Be introduced for DC voltage standard, as shown in Figure 4.The DC voltage value that processor will export is sent in FPGA storer, by reading control line by data reading, send into DAC-circuit through photoelectric isolating circuit and carry out digital-to-analog conversion, the output valve through amplifier and low-pass filter circuit adjusts through amplitude again, exports DC voltage value.Multi-channel parallel is arranged, and the program-controlled hyperchannel that realizes exports simultaneously.Designed DC voltage standard module, can realize the stable output of d. c. voltage signal in 8 passage 1mV ~ 100V wide-ranges.
Multichannel programmed criteria table is under master control borad controls, and standard scale board is gathered by the output signal of school instrument by gpib interface, and standard signal and measurement result compare, and realizes calibration, as shown in Figure 5.Measured signal is by program control mould analog conversion circuit, convert the satisfactory signal of amplitude to, send into AD circuit carry out AD conversion through low-pass filter circuit, discharge circuit, generate digital signal, send into the storer of FPGA through photoelectric isolating circuit, send into processor through latch cicuit and process.
Switch matrix is made up of switch matrix cabinet, switch matrix board, interface adapter.For low-heat potential switch matrix, as shown in Figure 6.Processor controls fet gate voltage by Internal Control Bus IBC interface, 8155 interface controllers, controls the break-make of source electrode and drain electrode, realizes conducting and the shutoff of signal, exported by protection circuit.
When calibrating special test equipment, upper computer software configures automatically according to resource, signal is dynamically connected certainly, environment adapts to automatically, instrument automatic calibration four subroutines are calibrated, and four subroutines design by modularization idea.
Multi-functional calibration source, digital multimeter can realize multiparameter, the output of single channel signal and measurement, and multichannel programmed criteria source, multichannel programmed criteria table can realize multiparameter, hyperchannel, wide-range and export simultaneously and measure.Measurement &control computer is by gpib bus Programmable Multifunction calibration source and multichannel programmed criteria source outputting standard signal and standard value O
b, switch through switch matrix and send into by interface adapter passage the special test equipment be calibrated, the special test equipment be calibrated carries out measurement to these standard signals and obtains measured value O
c, Δ 1=O
c-O
bbe calibration result, achieve the calibration of special test equipment measurement function.
When the special test equipment be calibrated has electrical parameter to export, be set as O
s, switch through interface adapter, switch matrix, feeding digital multimeter or multichannel programmed criteria table are measured, and obtain measured value O
b, Δ 2=O
s-O
bbe calibration result, achieve the calibration of special test equipment signal output function.
The process that the special calibration software developed realizes special test equipment calibration is:
According to by calibration equipment choice criteria resource, function and key property inspection are carried out automatically to standard resource, completes resource distribution;
Transfer switch matrix data according to standard resource, be connected inspection to by calibration equipment with standard resource;
The automatic measure field environment temperature of environmental parameter measuring unit and humidity, when site environment is in extent of amendment, Automatically invoked environmental factor correction data;
Start to calibrate special test equipment, use multi-functional calibration source or multichannel programmed criteria source outputting standard signal; By change-over switch matrix, standard signal exports to by school special test equipment, measures; Measurement result delivers to computing machine by gpib bus, and raw data is preserved in a database, can carry out the function such as inquiring about to raw data; Raw data is processed, generates calibration certificate, complete calibration.
Outputed signal by school special test equipment; Digital multimeter or multichannel programmed criteria table, by change-over switch matrix, carry out signal measurement; Measurement result delivers to computing machine by gpib bus, and raw data is preserved in a database, can carry out the function such as inquiring about to raw data; Raw data is processed, generates calibration certificate, complete calibration.
The utility model is not limited to above-mentioned best mode, and anyone should learn the structure change made under enlightenment of the present utility model, and every have identical or close technical scheme with the utility model, all falls within the utility model protection domain.
Claims (5)
1. an engine special test equipment field calibration device, it is characterized in that: comprise interface adapter (2), switch matrix (3), standard resource (10), Measurement &control computer (9) and environmental parameter measuring unit (11), described standard resource (10) comprises multi-functional calibration source (4), digital multimeter (5), multichannel programmed criteria source (6) and multichannel programmed criteria table (7), described environmental parameter measuring unit (11) is connected with switch matrix, be connected with interface adapter (2) by interface Adapter Cable by school special test equipment, be connected with Measurement &control computer by gpib bus by school special test equipment, described multichannel programmed criteria source, multichannel programmed criteria table, multi-functional calibration source are all connected with Measurement &control computer by gpib bus with one end of digital multimeter, and its other end is all connected with switch matrix by signal bus cable.
2. engine special test equipment field calibration device according to claim 1, it is characterized in that: described multichannel programmed criteria source (6) comprises power supply (61), hyperchannel standard signal output interface (62), gpib interface (63), source bus backboard (64), standard source board (65), source master control borad (66) and source cabinet (67), described standard source board (65) is made up of hyperchannel electrical quantity standard module.
3. engine special test equipment field calibration device according to claim 1 and 2, it is characterized in that: described multichannel programmed criteria table comprises apparent source (71), hyperchannel standard signal measurement interface (72), gpib interface (73), table bus backboard (74), standard scale board (75), table master control borad (76) and table cabinet (77), and described standard scale board (75) is made up of hyperchannel electrical parameter measuring module.
4. engine special test equipment field calibration device according to claim 3, is characterized in that: described multi-functional calibration source is the multi-functional calibration source 5522A of Fluke company.
5. engine special test equipment field calibration device according to claim 4, is characterized in that: described digital multimeter is Fluke company digital multimeter 8508A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420791250.7U CN204347228U (en) | 2014-12-12 | 2014-12-12 | A kind of engine special test equipment field calibration device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420791250.7U CN204347228U (en) | 2014-12-12 | 2014-12-12 | A kind of engine special test equipment field calibration device |
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| Publication Number | Publication Date |
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| CN204347228U true CN204347228U (en) | 2015-05-20 |
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| CN201420791250.7U Expired - Fee Related CN204347228U (en) | 2014-12-12 | 2014-12-12 | A kind of engine special test equipment field calibration device |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105607614A (en) * | 2015-11-20 | 2016-05-25 | 西安航天计量测试研究所 | Calibration device and method of engine instruction and control matching performance tester |
| CN106546839A (en) * | 2016-09-28 | 2017-03-29 | 西安航天计量测试研究所 | Attitude control engine ground checkout equipment debugs test system and method automatically |
| CN108152615A (en) * | 2017-12-12 | 2018-06-12 | 北京航天计量测试技术研究所 | A kind of multiple circuit for improving security of system |
| CN109459717A (en) * | 2018-11-21 | 2019-03-12 | 西安航天计量测试研究所 | A kind of current parameters calibration system and method based on method of offset |
| CN109669152A (en) * | 2018-11-21 | 2019-04-23 | 西安航天计量测试研究所 | A kind of current parameters calibration system and method |
| CN109856471A (en) * | 2018-12-09 | 2019-06-07 | 北京航天计量测试技术研究所 | A kind of multi-parameter Interface Matching and verifying system |
| CN109856576A (en) * | 2018-12-09 | 2019-06-07 | 北京航天计量测试技术研究所 | A kind of electrical parameter calibrating installation Integrated Self method |
| CN109857009A (en) * | 2018-12-18 | 2019-06-07 | 北京航天计量测试技术研究所 | A kind of signal adaptation device for the calibration of electricity multi-parameter |
| CN109901089A (en) * | 2018-12-19 | 2019-06-18 | 北京航天计量测试技术研究所 | A kind of calibration system of digital units tester |
| CN109901460A (en) * | 2018-12-19 | 2019-06-18 | 北京航天计量测试技术研究所 | A kind of calibration system of II grades of rolling control unit testing instrument |
| CN109901459A (en) * | 2018-12-19 | 2019-06-18 | 北京航天计量测试技术研究所 | A kind of calibration system of servo simulator |
| CN109946633A (en) * | 2018-12-18 | 2019-06-28 | 北京航天计量测试技术研究所 | A kind of solenoid valve multifunctional tester calibration system |
| CN110749848A (en) * | 2019-09-25 | 2020-02-04 | 西安航天计量测试研究所 | Current parameter calibration system and method based on current channel switching instrument |
| CN110749444A (en) * | 2019-09-27 | 2020-02-04 | 西安航天计量测试研究所 | Calibration system and method for aerospace liquid engine ground test testing system |
| CN111061660A (en) * | 2019-12-31 | 2020-04-24 | 浙江中控技术股份有限公司 | Calibration equipment and system for input/output (I/O) module |
| CN112462313A (en) * | 2020-11-17 | 2021-03-09 | 天津航空机电有限公司 | Electrical parameter interactive calibration system and method based on Ethernet communication technology |
| CN112748384A (en) * | 2020-12-28 | 2021-05-04 | 西安航天计量测试研究所 | Device and method for calibrating induction type polarity detection system |
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2014
- 2014-12-12 CN CN201420791250.7U patent/CN204347228U/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105607614B (en) * | 2015-11-20 | 2017-12-26 | 西安航天计量测试研究所 | Engine instructs the calibrating installation and method with control matching tester |
| CN105607614A (en) * | 2015-11-20 | 2016-05-25 | 西安航天计量测试研究所 | Calibration device and method of engine instruction and control matching performance tester |
| CN106546839A (en) * | 2016-09-28 | 2017-03-29 | 西安航天计量测试研究所 | Attitude control engine ground checkout equipment debugs test system and method automatically |
| CN106546839B (en) * | 2016-09-28 | 2019-01-08 | 西安航天计量测试研究所 | Attitude control engine ground checkout equipment debugs test macro and method automatically |
| CN108152615A (en) * | 2017-12-12 | 2018-06-12 | 北京航天计量测试技术研究所 | A kind of multiple circuit for improving security of system |
| CN109459717A (en) * | 2018-11-21 | 2019-03-12 | 西安航天计量测试研究所 | A kind of current parameters calibration system and method based on method of offset |
| CN109669152A (en) * | 2018-11-21 | 2019-04-23 | 西安航天计量测试研究所 | A kind of current parameters calibration system and method |
| CN109856471A (en) * | 2018-12-09 | 2019-06-07 | 北京航天计量测试技术研究所 | A kind of multi-parameter Interface Matching and verifying system |
| CN109856576A (en) * | 2018-12-09 | 2019-06-07 | 北京航天计量测试技术研究所 | A kind of electrical parameter calibrating installation Integrated Self method |
| CN109946633A (en) * | 2018-12-18 | 2019-06-28 | 北京航天计量测试技术研究所 | A kind of solenoid valve multifunctional tester calibration system |
| CN109857009A (en) * | 2018-12-18 | 2019-06-07 | 北京航天计量测试技术研究所 | A kind of signal adaptation device for the calibration of electricity multi-parameter |
| CN109901089A (en) * | 2018-12-19 | 2019-06-18 | 北京航天计量测试技术研究所 | A kind of calibration system of digital units tester |
| CN109901459A (en) * | 2018-12-19 | 2019-06-18 | 北京航天计量测试技术研究所 | A kind of calibration system of servo simulator |
| CN109901460A (en) * | 2018-12-19 | 2019-06-18 | 北京航天计量测试技术研究所 | A kind of calibration system of II grades of rolling control unit testing instrument |
| CN109901089B (en) * | 2018-12-19 | 2021-10-08 | 北京航天计量测试技术研究所 | Calibration system of digital unit tester |
| CN110749848A (en) * | 2019-09-25 | 2020-02-04 | 西安航天计量测试研究所 | Current parameter calibration system and method based on current channel switching instrument |
| CN110749444A (en) * | 2019-09-27 | 2020-02-04 | 西安航天计量测试研究所 | Calibration system and method for aerospace liquid engine ground test testing system |
| CN111061660A (en) * | 2019-12-31 | 2020-04-24 | 浙江中控技术股份有限公司 | Calibration equipment and system for input/output (I/O) module |
| CN112462313A (en) * | 2020-11-17 | 2021-03-09 | 天津航空机电有限公司 | Electrical parameter interactive calibration system and method based on Ethernet communication technology |
| CN112748384A (en) * | 2020-12-28 | 2021-05-04 | 西安航天计量测试研究所 | Device and method for calibrating induction type polarity detection system |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20151212 |
|
| EXPY | Termination of patent right or utility model |