CN219552570U - Current period checking device of electrostatic generator - Google Patents
Current period checking device of electrostatic generator Download PDFInfo
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- CN219552570U CN219552570U CN202320567013.1U CN202320567013U CN219552570U CN 219552570 U CN219552570 U CN 219552570U CN 202320567013 U CN202320567013 U CN 202320567013U CN 219552570 U CN219552570 U CN 219552570U
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- current clamp
- current
- electrostatic generator
- clamp
- checking
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Abstract
The utility model discloses a current period checking device of an electrostatic generator, which comprises a current clamp, a current clamp calibration clamp for installing the current clamp and an oscilloscope connected with the output end of the current clamp; the input end of the current clamp calibration fixture is used for being in contact with the discharge end of the electrostatic generator, and the output end of the current clamp calibration fixture is connected with a terminal load. The utility model is built by using simple and convenient laboratory common equipment, is convenient for checking and using in the basic laboratory, is convenient to use and operate, and can measure electrostatic discharge interference data by matching with an oscilloscope, thereby achieving the purpose of checking in the basic laboratory, and is convenient for popularization and use in an electromagnetic compatibility laboratory.
Description
Technical Field
The utility model belongs to the technical field of checking during a static generator period, and particularly relates to a current period checking device of the static generator.
Background
The period check refers to a check performed between two assays to maintain the reliability of the calibration state of the device. The static generator is used as the only testing equipment for the static discharge immunity test, and the stability of the performance of the static generator plays an important role in the application of the interference voltage and the reproduction of the interference phenomenon. In the related standard, the verification of the electrostatic generator needs to be performed by using an electrostatic target, but the electrostatic generator is expensive, and the electrostatic generator needs to be used in a special environment, is not suitable for the verification in a basic laboratory period, and is not suitable for the verification. Thus, the problem of verification during basic laboratory electrostatic generators is now addressed.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide a current period checking device of an electrostatic generator aiming at the defects in the prior art, which is built by using simple and convenient laboratory common equipment, is convenient for checking and using in a basic laboratory period, is convenient to use and operate, and can measure electrostatic discharge interference data by matching with an oscilloscope, thereby achieving the purpose of period checking and being convenient for popularization and use in an electromagnetic compatibility laboratory.
In order to solve the technical problems, the utility model adopts the following technical scheme: a current period checking device of an electrostatic generator, characterized in that: the device comprises a current clamp, a current clamp calibration clamp for installing the current clamp and an oscilloscope connected with the output end of the current clamp; the input end of the current clamp calibration fixture is used for being in contact with the discharge end of the electrostatic generator, and the output end of the current clamp calibration fixture is connected with a terminal load.
The device for checking the current period of the electrostatic generator is characterized in that: the termination load is a 50Ω termination load.
The device for checking the current period of the electrostatic generator is characterized in that: the current clamp is connected with the oscilloscope through a coaxial cable with characteristic impedance of 50 omega.
Compared with the prior art, the utility model has the advantages that:
the utility model is built by using simple and convenient laboratory common equipment, is convenient for checking and using in the basic laboratory, is convenient to use and operate, and can measure electrostatic discharge interference data by matching with an oscilloscope, thereby achieving the purpose of checking in the basic laboratory, and is convenient for popularization and use in an electromagnetic compatibility laboratory.
The technical scheme of the utility model is further described in detail through the drawings and the embodiments.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Reference numerals illustrate:
1-current clamp; 2-current clamp calibration fixture; 3-oscilloscopes;
4-termination load; 5-coaxial cable; 6-electrostatic generator.
Detailed Description
As shown in fig. 1, the utility model comprises a current clamp 1, a current clamp calibration clamp 2 for installing the current clamp 1 and an oscilloscope 3 connected with the output end of the current clamp 1; the input end of the current clamp calibration fixture 2 is used for contacting with the discharge end of the static generator 6, and the output end of the current clamp calibration fixture 2 is connected with a terminal load 4.
When the utility model is used, the discharge end of the electrostatic generator 6 is aligned with the input end of the current clamp calibration fixture 2, electrostatic current is injected to the central conductor of the current clamp calibration fixture 2 in a conduction mode, electrostatic discharge interference is applied, the current clamp 1 is arranged on the current clamp calibration fixture 2 according to a calibration mode, the output end of the current clamp 1 is connected with the oscilloscope 3 through the coaxial cable 5 with 50 omega characteristic impedance, thus acquiring the electrostatic discharge interference waveform of the electrostatic generator 6, reading required data and realizing checking during the current period.
In this embodiment, the termination 4 is a 50Ω termination.
In this embodiment, the current clamp 1 is connected to the oscilloscope 3 through a coaxial cable 5 having a characteristic impedance of 50Ω.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, and any simple modification, variation and equivalent structural changes made to the above embodiment according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (3)
1. A current period checking device of an electrostatic generator, characterized in that: the device comprises a current clamp (1), a current clamp calibration clamp (2) for installing the current clamp (1) and an oscilloscope (3) connected with the output end of the current clamp (1); the input end of the current clamp calibration fixture (2) is used for being in contact with the discharge end of the electrostatic generator (6), and the output end of the current clamp calibration fixture (2) is connected with a terminal load (4).
2. The apparatus for checking a current period of an electrostatic generator according to claim 1, wherein: the termination (4) is a 50Ω termination.
3. The apparatus for checking a current period of an electrostatic generator according to claim 1, wherein: the current clamp (1) is connected with the oscilloscope (3) through a coaxial cable (5) with characteristic impedance of 50 omega.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320567013.1U CN219552570U (en) | 2023-03-21 | 2023-03-21 | Current period checking device of electrostatic generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320567013.1U CN219552570U (en) | 2023-03-21 | 2023-03-21 | Current period checking device of electrostatic generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219552570U true CN219552570U (en) | 2023-08-18 |
Family
ID=87703174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320567013.1U Active CN219552570U (en) | 2023-03-21 | 2023-03-21 | Current period checking device of electrostatic generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219552570U (en) |
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2023
- 2023-03-21 CN CN202320567013.1U patent/CN219552570U/en active Active
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