CN220568163U - Metering verification system for test equipment - Google Patents
Metering verification system for test equipment Download PDFInfo
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- CN220568163U CN220568163U CN202321979253.9U CN202321979253U CN220568163U CN 220568163 U CN220568163 U CN 220568163U CN 202321979253 U CN202321979253 U CN 202321979253U CN 220568163 U CN220568163 U CN 220568163U
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- 238000012795 verification Methods 0.000 title claims abstract description 66
- 238000012360 testing method Methods 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 claims abstract description 13
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- 238000005259 measurement Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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Abstract
The utility model relates to the field of test equipment, in particular to a metering verification system of test equipment, which comprises a standard instrument group, a detected instrument group, a main controller, a GPIB bus and an LXI bus, wherein metering verification adapters are arranged in the middle of the standard instrument group and the detected instrument group. The utility model completes the metering verification work of radio frequency and analog signal output and analog signal test related equipment in the test equipment by the coordination action of the set standard instrument group, the detected instrument group, the main controller, the GPIB bus, the LXI bus and the metering verification adapter, the multifunctional calibrator, the measuring receiver, the digital multimeter, the universal counter, the function signal generator, the microwave signal generator I, the microwave signal generator II, the oscilloscope and the PXI equipment, and the whole metering process is automated except equipment cable connection in the test process, and a metering report is automatically filled in according to metering result data after the metering verification is completed.
Description
Technical Field
The utility model relates to the field of test equipment, in particular to a metering verification system of test equipment.
Background
The test equipment comprises four parts of test main control equipment, test resource equipment, test power supply equipment and test comprehensive equipment, and a test adapter. The test equipment used in the test comprises a desk type instrument and a PXI modularized instrument, all the test equipment is connected through an Ethernet, and automation control and test are realized through an industrial control computer. The desk type instrument comprises two microwave signal generators and a digital storage display.
The Chinese patent discloses a comprehensive tester metering verification system, an adapter and a metering test platform (grant bulletin No. CN 205079787U), the technology of the patent can more truly reflect the condition of each parameter index of a tested object, and improves the test precision, but the verification system cannot realize the whole process automatic operation in the measurement process and cannot automatically generate a metering report according to the metering result.
Accordingly, one skilled in the art provides a test equipment metrological verification system to address the problems set forth in the background section above.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a metering verification system of test equipment, which comprises a standard instrument group, a tested instrument group, a main controller, a GPIB bus and an LXI bus;
the middle parts of the standard instrument set and the detected instrument set are provided with metering verification adapters;
the standard instrument group comprises a multifunctional calibrator, a measuring receiver, a digital multimeter, a universal counter, a function signal generator and the like;
the detected instrument group comprises an external independent microwave signal generator I, a microwave signal generator II, an oscilloscope and PXI equipment.
Preferably: the standard instrument set and the detected instrument set are subjected to bus control by the main controller through the GPIB bus and the LXI bus, so that full-automatic control operation of the verification system is realized.
Preferably: the standard instrument set and the detected instrument set are in control connection through the arranged metering verification adapter, and the standard instrument set and the detected instrument set are subjected to program control operation.
Preferably: the main controller is used for performing program control operation on the detected instrument set and the standard instrument set to finish metering verification work in the metering process, and storing, processing and analyzing the data result of the metering verification to generate a verification report for inquiry or printing.
Preferably: the standard instrument set uses the existing resources of the metering station, does not need to be purchased, saves worry and labor, and the detected instrument set comprises an external independent microwave signal generator I, a microwave signal generator II, an oscilloscope and PXI equipment.
Preferably: the first microwave signal generator and the second microwave signal generator use desk type microwave signal generators, and the measuring receiver can be used for detecting the output radio frequency microwave signals during testing, so that the speed is high.
Preferably: the first microwave signal generator and the second microwave signal generator respectively output a signal, and the first microwave signal generator and the second microwave signal generator are manually connected to the measuring receiver by matched special cables for use in the test.
Preferably: the oscilloscope uses a desk type oscilloscope, is connected with other equipment through the test adapter to complete the test, adopts the multifunctional calibrator to carry out metering verification, and has high use precision.
Preferably: the oscilloscope is provided with 4 channels, output signals of the multifunctional calibrator are required to be respectively sent into the digital multimeter or the four channels of the oscilloscope through the switch network for verification operation, and the practicability is good.
The utility model has the technical effects and advantages that:
the utility model completes the metering verification work of radio frequency and analog signal output and analog signal test related equipment in the test equipment by the coordination action of the set standard instrument group, the detected instrument group, the main controller, the GPIB bus, the LXI bus and the metering verification adapter, the multifunctional calibrator, the measuring receiver, the digital multimeter, the universal counter, the function signal generator, the microwave signal generator I, the microwave signal generator II, the oscilloscope and the PXI equipment, and the whole metering process is automated except equipment cable connection in the test process, and a metering report is automatically filled in according to metering result data after the metering verification is completed.
Drawings
FIG. 1 is a schematic diagram of a test equipment metrological verification system provided in an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a software hierarchy in a metrological verification system for test equipment provided in an embodiment of the present application;
FIG. 3 is a schematic diagram of a PXI device in a test device metrological verification system according to the first embodiment of the present application;
FIG. 4 is a second schematic structural diagram of a PXI device in a test device metrological verification system according to the embodiment of the present application;
FIG. 5 is a schematic diagram III of a PXI device in a test device metrological verification system provided in an embodiment of the present application;
fig. 6 is a schematic diagram of a PXI device in a test device metrological verification system according to an embodiment of the present application.
In the figure: 1. a standard instrument set; 2. a group of instruments to be inspected; 3. a main controller; 4. a GPIB bus; 5. an LXI bus; 6. a multifunctional calibrator; 7. a measurement receiver; 8. a digital multimeter; 9. a universal counter; 10. a function signal generator;
11. a microwave signal generator I; 12. a microwave signal generator II; 13. an oscilloscope; 14. PXI equipment; 15. a metrological adapter.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Example 1
Referring to fig. 1 to 6, in this embodiment, a metrological verification system for test equipment is provided, which includes a standard instrument set 1, a tested instrument set 2, a main controller 3, a GPIB bus 4 and an LXI bus 5, where the standard instrument set 1 and the tested instrument set 2 are controlled by the main controller 3 through the GPIB bus 4 and the LXI bus 5;
the middle parts of the standard instrument set 1 and the detected instrument set 2 are provided with a metering verification adapter 15, and the standard instrument set 1 and the detected instrument set 2 are in control connection through the metering verification adapter 15;
the main controller 3 is used for performing program control operation on the detected instrument group 2 and the standard instrument group 1 in the metering process to finish metering verification work, storing, processing and analyzing data results of metering verification to generate verification reports for inquiry or printing, and the main controller 3 is selected by two schemes, one scheme is that a computer configured by a detected object is utilized, the control on a standard instrument is realized by adding an existing GPIB (general purpose interface bus) controller of a metering station, and the other scheme is that an external notebook computer is utilized, and the detected equipment is respectively controlled by Ethernet connection or the control on the standard instrument group 1 is finished by utilizing the existing GPIB controller and a GPIB cable of the metering station, so that the use is convenient and the verification is reduced as much as possible;
the standard instrument set 1 comprises a multifunctional calibrator 6, a measuring receiver 7, a digital multimeter 8, a universal counter 9, a function signal generator 10 and the like, and the standard instrument set 1 uses the existing resources of a metering station without purchasing;
the purpose of developing the metering verification system is to ensure the accuracy of the magnitude and the reliability of the system, so that the instrument and equipment with the magnitude measurement function are required to be verified, the detected instrument group 2 comprises an external independent microwave signal generator I11, a microwave signal generator II 12, an oscilloscope 13 and PXI equipment 14, the case of the PXI equipment 14 comprises an arbitrary waveform generator, a digital-analog converter, an analog-digital converter, a digital multimeter 8, a counter and the like, and the verification range and verification points are determined according to the actual use condition;
the system software of the measuring verification system of the test equipment adopts an open framework structure and consists of an application representation layer, a service logic layer, a test driving layer and an instrument equipment layer, wherein the application representation layer provides a User Interface (UI) of an application program, and the service logic layer realizes service functions of the application program, such as metering personnel management, metering task management, metering result processing and management and the like;
the first microwave signal generator 11 and the second microwave signal generator 12 use desk type microwave signal generators, and the measuring receiver 7 can be used for verification when testing and outputting radio frequency microwave signals;
when in use, the output of the first microwave signal generator 11 and the second microwave signal generator 12 are directly connected with other equipment through special cables, and the signals do not enter the test adapter, so that the signals are also connected with the measuring receiver 7 in a mode of directly connecting the cables during metering;
the microwave signal generator I11 and the microwave signal generator II 12 respectively output a signal, and a matched special cable is needed to be used for matching and manually connected to the measuring receiver 7 during testing;
the oscilloscope 13 is a desk type oscilloscope, is connected with other equipment through a test adapter to complete the test, and adopts the multifunctional calibrator 6 to carry out metering verification;
meanwhile, the digital multi-purpose meter 8 is also provided in the test equipment for monitoring the voltage and current signals, and a multifunctional calibrator is also required to be adopted for metering verification 6;
the oscilloscope 13 has 4 channels;
the output signal of the multifunctional calibrator 6 is required to be respectively sent into four channels of a digital multimeter 8 or an oscilloscope 13 through a switch network for verification operation;
the programmable power supply in the test equipment comprises two main types of programmable alternating current power supply and programmable direct current power supply, and the programmable power supply can adopt a digital multimeter 8 for metering verification;
the analog-digital converter can adopt the function signal generator 10 to carry out metering verification, and adopts a switch matrix to switch, so that the output signals of the function signal generator 10 are respectively sent into each analog-digital converter to finish metering verification work in a time-sharing manner;
the analog-digital converter can adopt the function signal generator 10 to carry out metering verification, and adopts a switch matrix to switch, so that the output signals of the function signal generator 10 are respectively sent into each analog-digital converter to finish metering verification work in a time-sharing manner;
the utility model is controlled and connected by the standard instrument group 1, the detected instrument group 2, the main controller 3, the GPIB bus 4, the LXI bus 5 and the metering verification adapter, the multifunctional calibrator 6, the measuring receiver 7, the digital multimeter 8, the universal counter 9, the function signal generator 10, the microwave signal generator I11, the microwave signal generator II 12, the oscilloscope 13 and the PXI equipment 14 are matched, the metering verification work of radio frequency and analog signal output and analog signal testing related equipment in the testing equipment is completed, the whole metering process is automated except equipment cable connection in the testing process, and metering reports are automatically filled in according to metering result data after metering verification is completed.
It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (9)
1. The measuring and verifying system of the test equipment comprises a standard instrument group (1), a detected instrument group (2), a main controller (3), a GPIB bus (4) and an LXI bus (5), and is characterized in that measuring and verifying adapters (15) are arranged in the middle of the standard instrument group (1) and the detected instrument group (2);
the standard instrument group (1) comprises a multifunctional calibrator (6), a measuring receiver (7), a digital multimeter (8), a universal counter (9) and a function signal generator (10).
2. The test equipment metrological verification system of claim 1, wherein the standard instrument set (1) and the instrument set under test (2) are bus controlled by the master controller (3) via GPIB bus (4) and LXI bus (5).
3. A test equipment metrological verification system as claimed in claim 2, wherein the standard instrument set (1) and the inspected instrument set (2) are in control connection via a provided metrological verification adapter (15).
4. The test equipment metrological verification system according to claim 1, wherein the main controller (3) is configured to perform a programmed operation on the inspected instrument set (2) and the standard instrument set (1) to complete a metrological verification operation during a metrological process, and store, process and analyze a data result of the metrological verification, and generate a verification report for inquiry or printing.
5. A test equipment metrological verification system as claimed in claim 3, wherein the standard instrument set (1) uses the existing resources of the metering station without purchase, and the tested instrument set (2) comprises an external independent microwave signal generator one (11), a microwave signal generator two (12), an oscilloscope (13) and a PXI device (14).
6. The test equipment metrological verification system of claim 5, wherein the first microwave signal generator (11) and the second microwave signal generator (12) use a bench-top microwave signal generator, and the test is performed using a measurement receiver (7) for outputting radio frequency microwave signals.
7. The metering verification system of test equipment according to claim 6, wherein the first microwave signal generator (11) and the second microwave signal generator (12) respectively output a signal, and the signals need to be manually connected to the measuring receiver (7) by matching and using matched special cables during the test.
8. The test equipment metrological verification system of claim 5, wherein the oscilloscope (13) uses a desktop oscilloscope to connect with other equipment via a test adapter to complete the test, and a multifunctional calibrator (6) is used for metrological verification.
9. The metering verification system of test equipment according to claim 8, wherein the oscilloscope (13) has 4 channels, and the output signal of the multifunctional calibrator (6) needs to be sent to the digital multimeter (8) or the four channels of the oscilloscope (13) respectively through a switch network for verification operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321979253.9U CN220568163U (en) | 2023-07-26 | 2023-07-26 | Metering verification system for test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321979253.9U CN220568163U (en) | 2023-07-26 | 2023-07-26 | Metering verification system for test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220568163U true CN220568163U (en) | 2024-03-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321979253.9U Active CN220568163U (en) | 2023-07-26 | 2023-07-26 | Metering verification system for test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220568163U (en) |
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2023
- 2023-07-26 CN CN202321979253.9U patent/CN220568163U/en active Active
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