CN219417707U

CN219417707U - Automatic calibration and detection system for radio metering

Info

Publication number: CN219417707U
Application number: CN202223486924.6U
Authority: CN
Inventors: 赵中泽; 袁文; 石竹君; 林宏
Original assignee: Guizhou Aerospace Institute of Measuring and Testing Technology
Current assignee: Guizhou Aerospace Institute of Measuring and Testing Technology
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-07-25
Anticipated expiration: 2032-12-26

Abstract

The utility model belongs to the technical field of radio metering, and particularly discloses an automatic calibration and detection system for radio metering. The radio metering automatic calibration detection system comprises a cabinet, a main control computer, detected equipment and standard equipment. Wherein, a power supply is arranged on the cabinet; the main control computer is arranged on the cabinet; the detected equipment is arranged on the cabinet, and is provided with a plurality of types, and the detected equipment with the plurality of different types is selectively and electrically connected with the main control computer; the standard equipment is provided with a plurality of types, the standard equipment is arranged on the cabinet, the standard equipment of the plurality of types corresponds to the detected equipment of the plurality of types one by one, and the standard equipment and the detected equipment which correspond to each other are electrically connected during detection. The utility model can solve the problem that the instruments such as oscilloscopes, function generators, power probes, attenuators and the like are difficult to automatically detect in the prior art, and has simple operation and high efficiency.

Description

Automatic calibration and detection system for radio metering

Technical Field

The utility model belongs to the technical field of radio metering, and particularly relates to an automatic calibration and detection system for radio metering.

Background

The radio metering is a metering and testing problem for researching various parameters in the application field of radio, belongs to one of metering profession with the largest parameters (parameters), has about 20 basic and important parameters, such as attenuation, power, phase, modulation degree, voltage, frequency and the like, and can detect instruments such as oscilloscopes, function generators, power probes, attenuators and the like.

Currently, most radiometric detection is done by manual operations; this way is cumbersome and inefficient to operate and to further increase metering efficiency, the present application provides a radio metering auto-calibration detection system.

Disclosure of Invention

The utility model aims to provide a radio metering automatic calibration detection system which can automatically detect instruments such as an oscilloscope, a function generator, a power probe, an attenuator and the like, and has simple operation and high efficiency.

To achieve the above object, according to one aspect of the present application, there is provided a radio metering automatic calibration detection system including:

the equipment comprises a cabinet, wherein a power supply is arranged on the cabinet;

the main control computer is arranged on the cabinet;

the detected equipment is arranged on the cabinet and is provided with a plurality of types, and the detected equipment with the plurality of different types is selectively and electrically connected with the main control computer;

the standard equipment is provided with multiple types, the standard equipment is installed in the cabinet, the multiple types of standard equipment and the multiple types of detected equipment are in one-to-one correspondence, and the standard equipment and the detected equipment which are mutually corresponding are electrically connected during detection.

Further, the cabinet is provided with a plurality of bearing parts, a plurality of bearing parts are arranged in a stacked mode along the height direction of the cabinet, and the bearing parts are used for bearing the detected equipment or the standard equipment.

Further, the bearing part is a bearing plate.

Further, the device under test includes at least one of an uncalibrated oscilloscope, a function generator, a phase meter, a power meter, an attenuator, a spectrometer, a signal source, and a vector network analyzer.

Further, the standard device comprises at least one of a calibrated oscilloscope, a function generator, a phase meter, a power meter, an attenuator, a spectrometer, a signal source, and a vector network analyzer.

Further, the detected equipment is connected with the main control computer through a cable, and the cable comprises at least one of GPIB, USB, LAN or RS 32/485.

Further, the device under test is connected with the standard device through a signal line.

Further, the signal wire comprises at least one of BNC wire, N-type adapter, SMA wire and 2.4 wire.

Further, the cabinet further comprises a bearing table, and the bearing table is used for placing a main control computer.

Further, the bearing table is a bearing table.

When the technical scheme of the utility model is applied, in actual work, the cabinet is firstly utilized to provide power for the whole system so as to ensure the smooth completion of the whole test process. Secondly, installing a main control computer on the cabinet; the inspected equipment and standard equipment are installed on the cabinet. And then selecting one of the detected devices with various types to be electrically connected with the main control computer, and controlling the detected device by using the main control computer. And finally, the detected equipment after the control is realized and the standard equipment corresponding to each other are electrically connected to realize automatic calibration.

That is, with the radio metering automatic calibration detection system in the present embodiment, control is achieved by electrically connecting the detected device with the main control computer, and automatic calibration is achieved by electrically connecting the detected device with the detected device corresponding to each other. After this automatic calibration is completed, the other kinds of inspected devices and standard devices of the same type as the inspected devices can be continuously selected for automatic calibration through electrical connection. Therefore, the detection efficiency of the equipment can be greatly improved, and the operation is simple.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 is a schematic structural diagram of a radio metering automatic calibration detection system disclosed in an embodiment of the present application.

Reference numerals illustrate:

10. a cabinet; 11. a carrying part; 12. a carrying platform; 20. a main control computer; 30. a device under test; 40. standard equipment; 50. a cable; 60. and a signal line.

Detailed Description

The advantages and features of the present utility model will become more fully apparent from the following description and appended claims, taken in conjunction with the accompanying drawings and detailed description. It should be noted that the drawings are in a very simplified form and are adapted to non-precise proportions, merely for the purpose of facilitating and clearly aiding in the description of embodiments of the utility model.

It should be noted that, in order to clearly illustrate the present utility model, various embodiments of the present utility model are specifically illustrated by the present embodiments to further illustrate different implementations of the present utility model, where the various embodiments are listed and not exhaustive. Furthermore, for simplicity of explanation, what has been mentioned in the previous embodiment is often omitted in the latter embodiment, and therefore, what has not been mentioned in the latter embodiment can be referred to the previous embodiment accordingly.

Referring to fig. 1, a radio metering auto-calibration detection system is provided according to an embodiment of the present application. The radio metering automatic calibration detection system comprises a cabinet 10, a main control computer 20, detected equipment 30 and standard equipment 40.

Wherein a power supply is provided on the cabinet 10. The main control computer 20 is arranged on the cabinet 10; the inspected device 30 is installed on the cabinet 10, the inspected device 30 has a plurality of types, and the inspected device 30 of the plurality of different types is selectively electrically connected with the main control computer 20; the standard device 40 also has a plurality of types, the standard device 40 is mounted on the cabinet 10, the plurality of types of standard devices 40 are in one-to-one correspondence with the plurality of types of inspected devices 30, and the standard device 40 and the inspected device 30 corresponding to each other are electrically connected during inspection.

In actual operation, the cabinet 10 is used to provide power for the whole system to ensure the smooth completion of the whole test process. Then, one of the plurality of types of inspected devices 30 is selected to be electrically connected with the main control computer 20, and the main control computer 20 is utilized to control the inspected device 30. Finally, the tested device 30 after the control is realized and the standard device 40 corresponding to the tested device are electrically connected to realize automatic calibration.

That is, with the radio metering automatic calibration detection system in the present embodiment, control is achieved by electrically connecting the detected device 30 by the main control computer 20, and automatic calibration is achieved by electrically connecting the detected device 30 and the detected devices 30 corresponding to each other. After this automatic calibration is completed, the other kinds of the inspected device 30 and the standard device 40 of the same type as the inspected device 30 can be continuously selected for automatic calibration through the electrical connection. Therefore, the detection efficiency of the equipment can be greatly improved, and the operation is simple.

Specifically, at the time of detection, in order to mount the inspected apparatus 30 or the standard apparatus 40, the present application is provided with a plurality of carrying parts 11 on the cabinet 10. As shown in fig. 1, a plurality of the carrying parts 11 are stacked in the height direction of the cabinet 10, and each carrying part 11 leaves a space between each other that can carry the inspected apparatus 30 or the standard apparatus 40; the arrangement makes the cabinet 10 have a layered structure, facilitates the placement and the removal of the inspected equipment 30 or the standard equipment 40, and has a simple structure and convenient operation.

Further, in the present embodiment, the carrying portion 11 is a carrying plate, and the carrying portion 11 is configured as a carrying plate so as to carry the inspected apparatus 30 or the standard apparatus 40, which is simple in structure and convenient to use.

Specifically, the cabinet 10 further includes a carrying platform 12, and the carrying platform 12 is used for placing the main control computer 20. When the plummer 12 is used in actual work, the main control computer 20 is placed on the plummer 12, and the plummer can be close to the detected equipment 30 when placed, so that the detected equipment 30 and the main control computer 20 are more convenient to connect.

Further, the carrying table 12 may be a carrying table, or may be a carrying cabinet, so long as the structure capable of placing the main control computer 20 is within the scope of the present application.

Specifically, the device under test 30 includes at least one of an uncalibrated oscilloscope, a function generator, a phase meter, a power meter, an attenuator, a spectrometer, a signal source, and a vector network analyzer. Of course, three, four or five kinds of materials may be used, and the specific case may be selected according to actual requirements, which is not specifically limited in this application.

In particular, the standard device 40 comprises at least one of a calibrated oscilloscope, function generator, phase meter, power meter, attenuator, spectrometer, signal source, vector network analyzer. Of course, three, four or five kinds of materials may be used, and the specific case may be selected according to actual requirements, which is not specifically limited in this application. In the actual test, the selection of the standard device 40 and the device under test 30 correspond to each other.

Specifically, in order to achieve mutual control between the device under test 30 and the main control computer 20, the device under test 30 and the main control computer 20 are connected by a cable 50, and the cable 50 includes at least one of GPIB, USB, LAN, RS/485. The specific connection line is selected according to the connection ports of the different kinds of the inspected apparatuses 30.

Further, in the actual testing process, the device under test 30 needs to be connected to the standard device 40, and the device under test 30 and the standard device 40 are connected to perform testing through the signal line 60. The signal wire 60 comprises at least one of a BNC wire, an N-type adapter, an SMA wire, and a 2.4 wire. For example: the oscillograph and the function generator are connected through BNC wires, the power meter can use an N-type adapter, the signal source is connected through an SMA wire or a 2.4 wire, and the specific connection condition can be selected according to the actual detected equipment.

Specifically, the host computer 20 in the present application includes a driving module (not shown in the figure) and a testing module (not shown in the figure). The driving module is used for developing a driving file of the inspected device 30, and transmitting the driving file to the testing module for the testing module to detect the inspected device.

In the actual working process, before the detection, for the uncalibrated detected equipment 30, a test file and a development drive file are required to be edited according to the situation, the development drive file is required to be opened to a drive module, and according to the description of a programming manual of the detected equipment 30, each SCPI instruction is written into each control function of a project to generate a drive file in a dynamic link library format, and the programming manual of the detected equipment 30 can be inquired on the Internet. By the driving module, driving files can be developed for detected equipment 30 with different types or different models, and the files can be directly called for the detected equipment with the same model; convenient to use, easy operation, great liberation labour has improved work efficiency.

Further, the driving module in the application is Visual Studio. Visual Studio is a substantially complete set of development tools that includes most of the tools required throughout the software lifecycle, such as UML tools, code management tools, integrated Development Environments (IDEs), and the like. The written object code is applicable to all platforms supported by Microsoft, including Microsoft Windows, windows Mobile, windows CE, NET frame, NET Compact Framework and Microsoft Silverlight, and Windows Phone. Visual Studio is the most popular integrated development environment for Windows platform applications today.

Specifically, the test module is a radio metering automatic calibration detection platform. The radio metering automatic calibration detection platform comprises an oscilloscope, a function generator, a phase meter, a power meter, an attenuator, a frequency spectrograph, a signal source and an automatic momentum program of a vector network analyzer.

In the actual working process, when the test is started, a tester connects the tested equipment 30 to the standard equipment 40 corresponding to each other through the signal line 60, and transmits the driving file of the tested equipment 30 to the radio metering automatic calibration detection platform. And starting the radio metering automatic calibration detection platform, and then waiting for the radio metering automatic calibration detection platform to start testing. In the test process, a tester needs to automatically calibrate the prompt of the detection platform according to radio measurement to manually change the impedance, switch channels and the like. Meanwhile, the software can test according to main items and main parameters of the test file, and for the items with out-of-tolerance test, the radio metering automatic calibration detection platform can prompt whether to retest or ignore. After the test is finished, a tester checks the data, can select to retest or generate an original record file, and can remotely upload the generated original record file to a metering management system and simultaneously store a local backup when networking. When the network is disconnected, the original record file can be temporarily stored locally and is uploaded when waiting for networking. The automatic detection of the detected equipment 30 can be realized through the radio metering automatic calibration detection platform, the detection efficiency can be greatly improved, the operation is simple, and the device can be recycled.

Specifically, the host computer 20 also includes IO Libraries Suite, where IO Libraries Suite software can be used to test the correctness of instructions before writing individual SCPI instructions into individual control functions of the project; and writing after ensuring no error, and then recompiling to generate the driving file. The written SCPI instruction is prevented from being in error, unnecessary time is wasted, and the detection efficiency is improved.

From the above description, it can be known that:

the radio metering automatic calibration detection system in the application is composed of a cabinet 10, a main control computer 20, detected equipment 30 and standard equipment 40. The cabinet 10 is provided with a power supply for supplying power to the whole radio metering automatic calibration and detection system so as to ensure the smooth completion of the test process. In the actual test process, the main control computer 20 is installed on the bearing table (namely the bearing table 12); the inspected apparatus 30 and the standard apparatus 40 are mounted on the carrier plate, that is, the carrier part 11 described above; in this way, the whole radio metering automatic calibration detection system can be more conveniently observed.

Before the test, the main control computer 20 is connected with the tested device 30, one of the connecting lines GPIB, USB, LAN or RS32/485 can be selected, and the specific connecting line can be selected according to the tested device 30 actually tested. Since the host computer 20 in this application includes Visual Studio and radiometric auto-calibration detection system platform. After the host computer 20 and the inspected device 30 are connected, the driving module may develop a driving file of the inspected device 30, and then transmit the driving file to the radio metering automatic calibration and detection system platform.

When the test is performed, the tested device 30 is connected with the corresponding standard device 40, one of BNC wires, N-type adapter, SMA wires and 2.4 wires can be selected as the connecting wire, and the specific connecting wire can be selected according to the tested device 30 actually tested. The platform of the radio metering automatic calibration detection system in the embodiment is provided with automatic momentum programs of instruments such as an oscilloscope, a function generator, a phase meter, a power meter, an attenuator, a frequency spectrograph, a signal source, a vector network analyzer and the like. After the tested device 30 and the corresponding standard device 40 are connected, the developed driving file is transmitted to the radio metering automatic calibration detection system platform, and the radio metering automatic calibration detection system platform is started and then waits for testing. After the test is completed, other types or models of detected devices 30 and standard devices 40 which are the same as or the same as the detected devices 30 can be continuously selected for automatic detection calibration. Thus, the detection efficiency of the equipment can be greatly improved, and the operation is simple.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are merely for convenience of distinguishing the corresponding components, and unless otherwise stated, the terms have no special meaning, and thus should not be construed as limiting the scope of the present application.

The foregoing is merely a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and variations may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A radiometric automatic calibration detection system comprising:

the equipment comprises a cabinet (10), wherein a power supply is arranged on the cabinet (10);

a main control computer (20), wherein the main control computer (20) is installed on the cabinet (10);

the detected equipment (30), the detected equipment (30) is arranged on the cabinet (10), the detected equipment (30) is of a plurality of types, and the detected equipment (30) of a plurality of different types is selectively and electrically connected with the main control computer (20);

the standard equipment (40) is provided with a plurality of types, the standard equipment (40) is installed in the cabinet (10), the standard equipment (40) of the plurality of types corresponds to the detected equipment (30) of the plurality of types one by one, and the standard equipment (40) and the detected equipment (30) which correspond to each other are electrically connected during detection.

2. The radio metering automatic calibration detection system according to claim 1, wherein the cabinet (10) is provided with a plurality of carrying parts (11), a plurality of the carrying parts (11) are arranged in a stacked manner along a height direction of the cabinet (10), and the carrying parts (11) are used for carrying the inspected equipment (30) or the standard equipment (40).

3. The radiometric automatic calibration detection system of claim 2 wherein said carrier (11) is a receiving plate.

4. The radiometric automatic calibration detection system of claim 1, wherein said inspected device (30) comprises at least one of an uncalibrated oscilloscope, a function generator, a phase meter, a power meter, an attenuator, a spectrometer, a signal source, a vector network analyzer.

5. The radiometric automatic calibration detection system of claim 1 wherein said standard device (40) comprises at least one of a calibrated oscilloscope, function generator, phase meter, power meter, attenuator, spectrometer, signal source, vector network analyzer.

6. The radiometric automatic calibration detection system of claim 1 wherein said device under test (30) is connected to said host computer (20) by a cable (50), said cable (50) comprising at least one of GPIB, USB, LAN or RS 32/485.

7. The radiometric automatic calibration detection system of claim 1 wherein said device under test (30) is connected to said standard device (40) by a signal line (60).

8. The radiometric automatic calibration detection system of claim 7 wherein said signal line (60) comprises at least one of a BNC line, an N-type adapter, an SMA line, a 2.4 line.

9. The radiometer automatic calibration detection system of claim 1 wherein said cabinet (10) further comprises a carrier (12), said carrier (12) being adapted to house a host computer (20).

10. The radiometric automatic calibration detection system of claim 9 wherein said carrying platform (12) is a carrying table.