Ringing wave generator

A generator and ring wave technology, applied in the electronic field, can solve problems such as short service life and poor precision, and achieve the effect of improving safety and accuracy

Inactive Publication Date: 2020-07-03
SHANGHAI PRIMA ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Many customers now request to simulate the switching of power and control lines of electrical networks and reactive loads, as well as the power circuit disconnection, fault and insulation breakdown or lightning strikes and induction of ringing waves generated on equipment terminal

Method used

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  • Ringing wave generator

Examples

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Comparison scheme
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Example Embodiment

[0021] Example

[0022] Such as figure 1 As shown in the figure, U is a high-voltage DC power supply U, R1 is a charging resistor, C1 is a high-voltage energy storage capacitor, S1 is a high-voltage switch, and L1 is an oscillation circuit coil

[0023] R2 is the filter resistance, C2 is the filter capacitor, R3 is the first output internal resistance of 12Ω, R4 is the second output internal resistance of 30Ω, and S2 is the output impedance selection switch.

[0024] The principle of the present invention is as follows:

[0025] The energy storage capacitor C1 is charged by the high-voltage DC power supply U through the charging resistor R1. At this time, the high-voltage switch S1 is opened, and the controller obtains the voltage of the high-voltage energy storage capacitor in real time through the voltage sampler, and then closes it when it is charged to the set voltage The high-voltage switch S1 discharges the energy storage capacitor C1, and generates the required ringing wave th...

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Abstract

The invention relates to a ringing wave generator. The ringing wave generator comprises a high-voltage charging module, a ringing wave generation module and a selection output module which are connected in sequence, the high-voltage charging module comprises a high-voltage direct-current power supply, a charging resistor and a high-voltage energy storage capacitor, the positive electrode of the high-voltage direct-current power supply is connected with the negative electrode of the high-voltage direct-current power supply through the charging resistor and a filter capacitor in sequence, the ringing wave generation module comprises an over-oscillation circuit coil, a filter resistor and the filter capacitor, the charging resistor is connected with the negative electrode of the high-voltagedirect-current power supply through a high-voltage switch and the oscillation circuit coil in sequence, and the oscillation circuit coil is connected with the negative electrode of the high-voltage direct-current power supply through the filter resistor and the filter capacitor in sequence. Compared with ringing wave generators in the prior art, the ringing wave generator of the invention has theadvantages of long service life, high accuracy, stable voltage and the like.

Description

technical field [0001] The invention relates to the field of electronics, in particular to a ring wave generator. Background technique [0002] With technological updates, the electromagnetic compatibility industry is also developing rapidly. Many customers now request to simulate the switching of power and control lines of electrical networks and reactive loads, as well as the power circuit disconnection, fault and insulation breakdown or lightning strikes and induction of ringing waves generated on equipment terminals in low-voltage cables Interference, to do some tests for evaluating the anti-interference performance inside the electronic equipment system, the existing ring wave generators generally use mercury switches as switching devices, resulting in short service life and poor accuracy. Contents of the invention [0003] The object of the present invention is to provide a ring wave generator in order to overcome the above-mentioned defects in the prior art. [00...

Claims

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Application Information

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IPC IPC(8): G01R1/28
CPCG01R1/28
Inventor 毛文斌顾建军
Owner SHANGHAI PRIMA ELECTRONICS
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