CN-122000848-A - Broadband static transient pulse protection module

CN122000848ACN 122000848 ACN122000848 ACN 122000848ACN-122000848-A

Abstract

The invention discloses a broadband static transient pulse protection module, and relates to the technical field of static protection devices. The input end of the protection circuit is divided into two paths after passing through a first terminal load Tem1, the first path is grounded through a gas discharge tube X9, the second path is connected with one end of an inductor L7, the other end of the inductor L7 is divided into three paths, the first path is connected with one end of an impedance transformation network V1, the second path is grounded through a transient suppression diode X2, the third path is sequentially grounded through a transient suppression diode X3 and a transient suppression diode X4, the other end of the impedance transformation network V1 is divided into three paths, the first path is connected with one end of the impedance transformation network V2, the second path is grounded through a transient suppression diode X5, the third path is grounded through a transient suppression diode X6, the other end of the impedance transformation network V2 is divided into three paths, the first path is connected with one end of the inductor L6, and the second path is grounded through the transient suppression diode X7. The protection circuit can effectively improve the electrostatic pulse protection performance and has good transmission characteristics.

Inventors

HU XIAOFENG
ZHANG JIANPING
WANG LEI
WEI MING
WANG YINGYING

Assignees

中国人民解放军陆军工程大学

Dates

Publication Date: 20260508
Application Date: 20260210

Claims (7)

1. The broadband static transient pulse protection module is characterized in that an input end of a protection circuit is divided into two paths after passing through a first terminal load Tem1, the first path is grounded through a gas discharge tube X9, the second path is connected with one end of an inductor L7, the other end of the inductor L7 is divided into three paths, the first path is connected with one end of an impedance transformation network V1, the second path is grounded through a transient suppression diode X2, the third path is sequentially grounded through a transient suppression diode X3 and a transient suppression diode X4, the other end of the impedance transformation network V1 is divided into three paths, the first path is connected with one end of the impedance transformation network V2, the second path is grounded through a transient suppression diode X5, the third path is grounded through a transient suppression diode X6, the other end of the impedance transformation network V2 is divided into three paths, the first path is connected with one end of the inductor L6, the second path is grounded through the transient suppression diode X7, the third path is grounded through the transient suppression diode X8, and the other end of the inductor L6 is grounded through the second terminal load Tem 2.
2. The electrostatic transient protection module of claim 1, wherein said impedance transformation network V1 comprises an inductor L4 and a capacitor C7 connected in parallel.
3. The electrostatic transient protection module of claim 1, wherein said impedance transformation network V2 comprises an inductor L5 and a capacitor C8 connected in parallel.
4. The broadband electrostatic transient pulse protection module is characterized in that an input end of a protection circuit is sequentially connected with one end of a microstrip line TL16 after passing through a first terminal load Tem1, a microstrip line TL17 and a capacitor C2, the other end of the microstrip line TL16 is divided into three paths, the first path is sequentially grounded through an inductor L1 and a piezoresistor CV2, the second path is sequentially grounded through a capacitor C3 and a microstrip line TL15 after passing through the inductor L2 and the piezoresistor CV1, the third path is connected with one end of a microstrip line TL11, the other end of the microstrip line TL11 is divided into three paths, the first path is grounded through a transient suppression diode X2, the second path is connected with one end of the microstrip line TL3, the third path is sequentially grounded through a capacitor C1 and a microstrip line TL13 after passing through a transient suppression diode X1 and a microstrip line TL12, and the other end of the microstrip line TL3 is sequentially grounded through a capacitor C4, a microstrip line TL2 and a second terminal load Tem 2.
5. A test system of a broadband static transient pulse protection module is characterized by comprising an insertion loss test module, a TLP test module, an HBM test module and a throughput test module, The insertion loss testing module is used for testing transmission characteristics of a broadband static transient pulse protection module; the TLP test module is used for carrying out TLP test on a broadband static transient pulse protection module; the HBM testing module is used for carrying out HBM waveform testing on a broadband static transient pulse protection module; The through flow test module is used for conducting through flow test on the broadband static transient pulse protection module.
6. The system for testing a broadband electrostatic transient impulse protection module of claim 5, wherein said insertion loss testing module comprises a vector network analyzer, and wherein said vector network analyzer is used to test transmission characteristics of said broadband electrostatic transient impulse protection module.
7. The system of claim 5, wherein the TLP test module comprises a charging voltage source, a transmission line and a single-pole double-throw switch S1, wherein the charging voltage source is respectively connected with the transmission line TL 1 and the transmission line TL 2 through the switch S 1 , the charging voltage source is used for providing rated energy to charge the transmission line TL1 and generate a narrow square wave, when the switch S1 is closed, a broadband electrostatic transient pulse protection module is connected to the transmission line, the narrow square wave acts on a protection structure of the broadband electrostatic transient pulse protection module, the measurement value is obtained through the oscilloscope, and the voltage and the current values at two ends of the broadband electrostatic transient pulse protection module are obtained through operation.

Description

Broadband static transient pulse protection module Technical Field The invention relates to the technical field of electrostatic protection devices, in particular to a broadband electrostatic transient pulse protection module. Background Electrostatic discharge is regarded as nanosecond transient interference, the peak value of discharge current can reach hundreds of amperes, the discharge process is usually accompanied by broadband and high-field-intensity electromagnetic fields, and the electromagnetic fields can enter the aircraft through radio-frequency antennas, power lines, signal lines or through hole and slot coupling to damage electronic equipment in the aircraft. In order to ensure the safety of the aircraft, the electrostatic protection design of the port of the electronic equipment of the aircraft is of great significance. Pulse protection devices are often used for transient pulse protection, and are currently studied intensively at home and abroad. The transient voltage suppressor (TRANSIENT VOLTAGE SUPPRESSOR, TVS) is widely applied to transient pulse protection due to excellent response speed, can complete clamping action on transient pulses in nanosecond or even subnanosecond time, effectively protects electronic elements, is limited by the material and structural characteristics of the TVS, has poor current tolerance, and cannot meet protection requirements when being singly used. Other pulse protection devices with stronger current-resisting capability, such as gas discharge tubes, piezoresistors and semiconductor discharge tubes, have defects in response speed, and cannot respond in time to the electrostatic discharge electromagnetic pulse with nanosecond fast rising edge, so that larger peak leakage is caused, and electronic equipment is disturbed or even destroyed. In summary, a single type of pulse protection device cannot simultaneously meet the requirements of large through-flow and quick-response electrostatic pulse protection, the characteristics of various protection devices are combined, the design of the composite electrostatic pulse protection module of the aircraft is developed, the interference or damage of electrostatic pulses on electronic systems on the aircraft is reduced, and the composite electrostatic pulse protection module has important significance for improving the electrostatic safety of the aircraft. Disclosure of Invention The invention aims to solve the technical problem of providing a broadband electrostatic transient pulse protection module with good electrostatic pulse protection performance and transmission characteristics. The technical scheme includes that an input end of a protection circuit is divided into two paths through a first terminal load Tem1, the first path is grounded through a gas discharge tube X9, the second path is connected with one end of an inductor L7, the other end of the inductor L7 is divided into three paths, the first path is connected with one end of an impedance transformation network V1, the second path is grounded through a transient suppression diode X2, the third path is sequentially grounded through a transient suppression diode X3 and a transient suppression diode X4, the other end of the impedance transformation network V1 is divided into three paths, the first path is connected with one end of the impedance transformation network V2, the second path is grounded through a transient suppression diode X5, the third path is grounded through a transient suppression diode X6, the other end of the impedance transformation network V2 is divided into three paths, the first path is connected with one end of the inductor L6, the second path is grounded through the transient suppression diode X7, the third path is grounded through the transient suppression diode X8, and the other end of the inductor L6 is grounded through the second terminal Tem 2. The invention also discloses a broadband electrostatic transient pulse protection module, wherein the input end of the protection circuit is sequentially connected with one end of a microstrip line TL16 after passing through a first terminal load Tem1, a microstrip line TL17 and a capacitor C2, the other end of the microstrip line TL16 is divided into three paths, the first path is sequentially grounded through an inductor L1 and a piezoresistor CV2, the second path is sequentially grounded through a capacitor C3 and a microstrip line TL15 after passing through the inductor L2 and the piezoresistor CV1, the third path is connected with one end of a microstrip line TL11, the other end of the microstrip line TL11 is divided into three paths, the first path is grounded through a transient suppression diode X2, the second path is connected with one end of the microstrip line TL3, the third path is sequentially grounded through a capacitor C1 and a microstrip line TL13 after passing through a transient suppression diode X1 and a microstrip line TL12, and the other end of the microstrip line T