CN216086503U - High-voltage direct-current 10kV surge voltage signal generator device - Google Patents

Abstract

The utility model relates to the technical field of power electronics, in particular to a high-voltage direct-current 10kV surge voltage signal generator device; the high-voltage switching module is respectively electrically connected with the high-voltage rectifying module and the protection module, the test resistor network module is electrically connected with the protection module, the control module is electrically connected with the high-voltage switching module, the display module is electrically connected with the control module, the display module adopts a touch screen, instructions are input through the touch screen, the control module receives instructions, and adjusts the output voltage of the high-voltage rectifying module, the high-voltage switching module carries out charging and discharging, during discharging, current generates surge signals through the test resistor network module, the protection module prevents the overvoltage in the circuit, through the structure, the size of the surge voltage signal generator can be reduced, the use is convenient, and the output is more stable.

Description

High-voltage direct-current 10kV surge voltage signal generator device

Technical Field

The utility model relates to the technical field of power electronics, in particular to a high-voltage direct-current 10kV surge voltage signal generator device.

Background

In the use process of electronic and electrical equipment, certain damage can be caused to the electronic equipment due to surges generated by equipment switches, electrostatic discharge, circuit faults, lightning strikes and the like, wherein the destructiveness of the lightning strikes to the electronic equipment is the largest, so that the testing of the lightning strike surge resistance of the electronic equipment is an important factor for evaluating the product performance of the electronic equipment. The main equipment for testing and researching the lightning surge resistance of electronic equipment is a lightning surge generator, and expensive voltage and current probes and oscilloscopes are required to be matched under the normal condition so as to realize the analysis and display of the surge voltage and current waveforms.

The existing surge generation is composed of an alternating voltage generated by a voltage regulator and a transformer, and the alternating voltage passes through a high-voltage rectifier diode and a high-voltage filter capacitor, so that the generated voltage is low in stability.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-voltage direct-current 10kV surge voltage signal generator device, and aims to solve the technical problem that in the prior art, surge generation is low in stability of generated voltage due to the fact that alternating-current voltage generated by a voltage regulator and a transformer passes through a high-voltage rectifier diode and a high-voltage filter capacitor.

In order to achieve the above purpose, the present invention provides a high voltage dc 10kV surge voltage signal generator device, which includes a high voltage rectification module, a high voltage switching module, a test resistance network module, a protection module, a control module and a display module, wherein the high voltage switching module is electrically connected to the high voltage rectification module and the protection module respectively, the test resistance network module is electrically connected to the protection module, the control module is electrically connected to the high voltage switching module, and the display module is electrically connected to the control module.

The high-voltage rectifier module includes alternating current input end, transformer T0, rectifier bridge D1 and high-voltage output end, transformer T0 both ends respectively with alternating current input end with rectifier bridge D1 electric connection, rectifier bridge D1's positive pole output ground connection, rectifier bridge D1's negative pole output with high-voltage output end electric connection.

The high-voltage switching module comprises a high-voltage switch and an energy storage capacitor C0, the energy storage capacitor is electrically connected with the high-voltage output end, the high-voltage switch is electrically connected with the energy storage capacitor C0, one end of the energy storage capacitor C0 is electrically connected with the high-voltage output end, and the other end of the energy storage capacitor C0 is grounded.

The protection module comprises a resistor Rs, a capacitor C1 and a limit switch K, wherein the resistor Rs, the limit switch K and the capacitor C1 are sequentially connected in series at two ends of the high-voltage output end.

The test resistor network module comprises a resistor R1, a resistor R2 and a resistor R3, wherein the resistor R1, the resistor R2 and the resistor R3 are electrically connected with the limit switch K in sequence.

The control module comprises a PLC chip, a relay group, an A/D module and a motor, wherein the A/D module is respectively electrically connected with the high-voltage output end and the PLC chip, the motor is respectively electrically connected with the PLC chip and the high-voltage output end, and the relay group is electrically connected with the PLC chip.

According to the high-voltage direct current 10kV surge voltage signal generator device, the display module adopts the touch screen, the touch screen inputs instructions, the control module receives the instructions and adjusts the output voltage of the high-voltage rectification module, the high-voltage switching module carries out charging and discharging, current generates surge signals through the test resistance network module during discharging, and the protection module prevents the voltage in a circuit from being overhigh.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

Fig. 1 is a working schematic diagram of a high voltage dc 10kV surge voltage signal generator device provided by the utility model.

Fig. 2 is a schematic diagram of the operation of the control module provided by the present invention.

Fig. 3 is a waveform of a surge pulse provided by the present invention.

Fig. 4 is a schematic circuit diagram of a test resistor network module provided by the present invention.

Fig. 5 is a schematic circuit diagram of a high-voltage rectifier module according to the present invention.

The device comprises a 1-high-voltage rectification module, a 11-alternating current input end, a 12-high-voltage output end, a 2-high-voltage switching module, a 21-high-voltage switcher, a 3-test resistor network module, a 4-protection module, a 5-control module, a 51-PLC chip, a 52-relay group, a 53-A/D module, a 54-motor and a 6-display module.

Detailed Description

Referring to fig. 1 to 5, the utility model provides a high-voltage direct current 10kV surge voltage signal generator device, which includes a high-voltage rectification module 1, a high-voltage switching module 2, a test resistor network module 3, a protection module 4, a control module 5 and a display module 6, wherein the high-voltage switching module 2 is electrically connected with the high-voltage rectification module 1 and the protection module 4 respectively, the test resistor network module 3 is electrically connected with the protection module 4, the control module 5 is electrically connected with the high-voltage switching module 2, and the display module 6 is electrically connected with the control module 5.

Display module 6 adopts the touch-sensitive screen, through touch-sensitive screen input instruction, control module 5 receives the instruction, and adjusts high-voltage rectifier module 1's output voltage, high pressure switch module 2 carries out charge-discharge, and during discharge, the electric current passes through test resistance network module 3 produces surge signal, protection module 4 prevents that the circuit medium voltage is too high, through above-mentioned structure, can reduce surge voltage signal generator's volume, convenient to use, and output is more stable.

The high-voltage rectification module 1 comprises an alternating current input end 11, a transformer T0, a rectifier bridge D1 and a high-voltage output end 12, two ends of the transformer T0 are respectively electrically connected with the alternating current input end 11 and the rectifier bridge D1, an anode output end of the rectifier bridge D1 is grounded, a cathode output end of the rectifier bridge D1 and the high-voltage output end 12 are electrically connected, the high-voltage switching module 2 comprises a high-voltage switcher 21 and an energy storage capacitor C0, the energy storage capacitor C0 is electrically connected with the high-voltage output end 12, the high-voltage switcher 21 is electrically connected with the energy storage capacitor C0, one end of the energy storage capacitor C0 is electrically connected with the high-voltage output end, and the other end of the energy storage capacitor C0 is grounded; the protection module 4 comprises a resistor Rs, a capacitor C1 and a limit switch K, wherein the resistor Rs, the limit switch K and the capacitor C1 are sequentially connected in series at two ends of the high-voltage output end 12; the test resistor network module 3 comprises a resistor R1, a resistor R2 and a resistor R3, wherein the resistor R1, the resistor R2 and the resistor R3 are electrically connected with the limit switch K in sequence; control module 5 includes PLC chip 51, relay group 52, AD module 53 and motor 54, AD module 53 respectively with high voltage output terminal 12 with PLC chip 51 electric connection, motor 54 respectively with PLC chip 51 with high voltage output terminal 12 electric connection, relay group 52 with PLC chip 51 electric connection.

The resistor R1, the resistor R2 and the resistor R3 are all non-inductive resistors; PLC chip 51 adopts loose PLC (FP-XHC14R), PLC chip 51 is through control motor 54 is right high-pressure output end 12 carries out the pressure regulating, accomplishes timing, tally function, and control relay group 52's closure and break-make, high-pressure rectifier module 1 passes through rectifier bridge D1 turns into high voltage direct current with high voltage alternating current, and this high voltage direct current is used for producing surge pulse's power, and stores to in energy storage capacitor 22, high-pressure switch 21 is used for controlling energy storage capacitor 22's charge-discharge, during discharging, passes through earlier protection module 4, limit switch K is right motor 54 protects, resistance Rs, electric capacity C1 form protection circuit to prevent that the too high voltage from destroying rectifier bridge and electric capacity C0, electric current process when experimental resistance network module 3, resistance R1 is used for deciding leading edge time T1 and half width time T2 of surge pulse waveform, as shown in FIG. 3; the resistor R2 and the resistor R3 are voltage dividers for observing waveforms, and have a voltage division ratio of 1: 1000, the wave front time T1 is 1.67T, and the display module 6 adopts a tyk P6015A model us high-voltage probe to measure the waveform from the output end; in the test, as shown in fig. 4, the device X to be tested was connected between the terminal C and the terminal C, C1 was 1nF, the resistance Rs was 15M Ω, the resistance R1 was 1K Ω, the resistance R2 was 100M Ω, and the resistance R3 was 0.1M Ω.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.

Claims (6)

1. A high voltage direct current 10kV surge voltage signal generator device is characterized in that,

the high-voltage direct current 10kV surge voltage signal generator device comprises a high-voltage rectification module, a high-voltage switching module, a test resistance network module, a protection module, a control module and a display module, wherein the high-voltage switching module is respectively electrically connected with the high-voltage rectification module and the protection module, the test resistance network module is electrically connected with the protection module, the control module is electrically connected with the high-voltage switching module, and the display module is electrically connected with the control module.

2. A high voltage direct current 10kV surge voltage signal generator device according to claim 1,

the high-voltage rectifier module includes alternating current input end, transformer T0, rectifier bridge D1 and high-voltage output end, transformer T0 both ends respectively with alternating current input end with rectifier bridge D1 electric connection, rectifier bridge D1's positive pole output ground connection, rectifier bridge D1's negative pole output with high-voltage output end electric connection.

3. A high voltage direct current 10kV surge voltage signal generator device according to claim 2,

the high-voltage switching module comprises a high-voltage switch and an energy storage capacitor C0, the energy storage capacitor is electrically connected with the high-voltage output end, the high-voltage switch is electrically connected with the energy storage capacitor C0, one end of the energy storage capacitor C0 is electrically connected with the high-voltage output end, and the other end of the energy storage capacitor C0 is grounded.

4. A high voltage direct current 10kV surge voltage signal generator device according to claim 3,

the protection module comprises a resistor Rs, a capacitor C1 and a limit switch K, wherein the resistor Rs, the limit switch K and the capacitor C1 are sequentially connected in series at two ends of the high-voltage output end.

5. A high voltage direct current 10kV surge voltage signal generator device according to claim 4,

the test resistor network module comprises a resistor R1, a resistor R2 and a resistor R3, wherein the resistor R1, the resistor R2 and the resistor R3 are electrically connected with the limit switch K in sequence.

6. A high voltage direct current 10kV surge voltage signal generator device according to claim 5,

the control module comprises a PLC chip, a relay group, an A/D module and a motor, wherein the A/D module is respectively electrically connected with the high-voltage output end and the PLC chip, the motor is respectively electrically connected with the PLC chip and the high-voltage output end, and the relay group is electrically connected with the PLC chip.

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