CN-122017300-A - Spike voltage signal generator

CN122017300ACN 122017300 ACN122017300 ACN 122017300ACN-122017300-A

Abstract

The invention discloses a spike voltage signal generator which comprises a selection signal receiving module, a waveform control driving module, a charging and discharging module, a plurality of coupling modules, a frequency control module and a power module, wherein the selection signal receiving module is electrically connected with the waveform control driving module, the waveform control driving module is respectively electrically connected with the selection signal receiving module and the charging and discharging module, the power module is respectively electrically connected with the frequency control module and the charging and discharging module, the frequency control module is respectively connected with the power module and the charging and discharging module, the charging and discharging module is respectively electrically connected with the waveform control driving module, the frequency control module and the power module, and each coupling module is respectively electrically connected with the charging and discharging module and a standard waveform output end. The invention can output spike voltage signals corresponding to various standard waveforms, improves the testing efficiency and reduces the workload of operators.

Inventors

LI XIANLING
ZENG YONG
WEN XIAOQIANG
WANG JUNMEI
MENG KE

Assignees

广电计量检测（成都）有限公司
广电计量检测(无锡)有限公司
广电计量检测集团股份有限公司
广电计量检测（武汉）有限公司

Dates

Publication Date: 20260512
Application Date: 20251224

Claims (10)

1. The spike voltage signal generator is characterized by comprising a selection signal receiving module, a waveform control driving module, a charging and discharging module, a plurality of coupling modules, a frequency control module and a power supply module, wherein, The selection signal receiving module is electrically connected with the waveform control driving module and is used for providing selection information of various standard waveforms for a user and receiving a determination signal of a target standard waveform of the user; The waveform control driving module is respectively and electrically connected with the selection signal receiving module and the charging and discharging module and is used for outputting a target waveform control driving signal to the charging and discharging module according to the determination signal of the target standard waveform; The power module is electrically connected with the charge-discharge module and is used for providing working voltage for the charge-discharge module; The frequency control module is respectively and electrically connected with the power supply module and the charge-discharge module and is used for providing a switch opening signal and a switch closing signal for the charge-discharge module; The charging and discharging module is respectively and electrically connected with the waveform control driving module, the frequency control module and the power supply module and is used for controlling a charging and discharging circuit matched with a target standard waveform to charge according to the target waveform control driving signal and discharging when the frequency control module outputs a switch closing signal; each coupling module is respectively and electrically connected with the charge-discharge module and the standard waveform output end and is used for coupling the discharge voltage of the charge-discharge circuit matched with the corresponding target standard waveform to generate a peak voltage signal corresponding to the target standard waveform.
2. The spike voltage signal generator of claim 1 wherein the charge-discharge module comprises a first charge-discharge circuit, a pair of second charge-discharge circuits, the plurality of coupling modules comprises a first coupling module and a second coupling module, wherein, The first control end of the first charge-discharge circuit is electrically connected with the first output end of the waveform control driving module, the second control end of the first charge-discharge circuit is electrically connected with the output end of the frequency control module, the first input end of the first charge-discharge circuit is electrically connected with the first power supply positive electrode output end of the power supply module, the first output end of the first charge-discharge circuit is electrically connected with the input end of the first coupling module, and the second input end of the first charge-discharge circuit is electrically connected with the second power supply positive electrode output end and the second power supply negative electrode output end of the power supply module; The first control end of the second charge-discharge circuit is electrically connected with the second output end of the first charge-discharge circuit, the second control end of the second charge-discharge circuit is electrically connected with the second output end of the waveform control driving module, the third control end of the second charge-discharge circuit is electrically connected with the third output end of the waveform control driving module, the fourth control end of the second charge-discharge circuit is electrically connected with the fourth output end of the waveform control driving module, the fifth control end of the second charge-discharge circuit is electrically connected with the fifth output end of the waveform control driving module, the sixth control end of the second charge-discharge circuit is electrically connected with the output end of the frequency control module, the input end of the second charge-discharge circuit is electrically connected with the first power supply positive output end of the power supply module, and the output end of the second charge-discharge circuit is electrically connected with the input end of the second coupling module.
3. The spike voltage signal generator of claim 2 wherein the first charge-discharge circuit comprises a first high voltage switch, a first relay and a first capacitor, wherein, The first control end of the first relay is electrically connected with the first output end of the waveform control driving module, the second control end of the first relay is electrically connected with the third power supply negative electrode of the power supply module, the first input end of the first relay is electrically connected with the second power supply positive electrode output end of the power supply module, the second input end of the first relay is electrically connected with the second power supply negative electrode output end of the power supply module, the first output end of the first relay is electrically connected with the positive electrode input end of the first high-voltage switch, the second output end of the first relay is electrically connected with the negative electrode input end of the first high-voltage switch, the third output end of the first relay is electrically connected with the positive electrode end of the first control end of the second charge-discharge circuit, and the fourth output end of the first relay is electrically connected with the negative electrode end of the first control end of the second charge-discharge circuit; The control data input end of the first high-voltage switch is electrically connected with the output end of the frequency control module, the first end of the first high-voltage switch is electrically connected with the first power positive electrode output end of the power module and the first end of the first capacitor respectively, the second end of the first high-voltage switch is electrically connected with the first input end of the first coupling module, and the second end of the first capacitor is electrically connected with the first power negative electrode of the power module and the second input end of the first coupling module respectively.
4. The peak voltage signal generator according to claim 3, wherein each of the second charge-discharge circuits includes a second high-voltage switch, a second relay, a third relay, a fourth relay, a second capacitor, a third capacitor, a fourth capacitor, and a fifth capacitor, wherein, The first control end of the second relay is electrically connected with the second output end of the waveform control driving module, the second control end of the second relay is electrically connected with the third power supply negative electrode of the power supply module, the input end of the second relay is electrically connected with the first power supply positive electrode output end of the power supply module, the output end of the second relay is electrically connected with the first end of the second capacitor, the positive electrode input end of the second high-voltage switch is electrically connected with the third output end of the first relay, the negative electrode input end of the second high-voltage switch is electrically connected with the fourth output end of the first relay, the control data input end of the second high-voltage switch is electrically connected with the output end of the frequency control module, the first end of the second high-voltage switch is respectively electrically connected with the second end of the second capacitor and the first power supply negative electrode of the power supply module, the second end of the second high-voltage switch is electrically connected with the first input end of the second coupling module, and the second input end of the second coupling module is electrically connected with the first power supply output end of the power supply module; The first control end of the third relay is electrically connected with the third output end of the waveform control driving module, the second control end of the third relay is electrically connected with the third power supply negative electrode of the power supply module, the input end of the third relay is electrically connected with the first power supply positive electrode output end of the power supply module, the output end of the third relay is respectively electrically connected with the first end of the third capacitor and the first end of the fourth capacitor, and the second end of the third capacitor and the second end of the fourth capacitor are respectively electrically connected with the first power supply negative electrode of the power supply module; the first control end of the fourth relay is electrically connected with the fourth output end and the fifth output end of the waveform control driving module, the second control end of the fourth relay is electrically connected with the third power supply negative electrode of the power supply module, the input end of the fourth relay is electrically connected with the first power supply positive electrode output end of the power supply module, the output end of the fourth relay is electrically connected with the first end of the fifth capacitor, and the second ends of the fifth capacitor are respectively electrically connected with the first power supply negative electrode of the power supply module.
5. The spike voltage signal generator of claim 3 wherein the first coupling module comprises a first transformer and a first resistor, wherein a first input of the first transformer is electrically connected to a second terminal of the first high voltage switch, a second input of the first transformer is electrically connected to a first power supply negative of the power supply module, an output of the first transformer is connected in parallel with the first resistor, and an output of the first transformer is electrically connected to an output of a first standard waveform.
6. The peak voltage signal generator according to claim 4, wherein the second coupling module includes a fifth relay, a second transformer, a third transformer, a second resistor, a third resistor, a fourth resistor, a fifth resistor, and a sixth resistor, wherein, The first input end of the second transformer is electrically connected with the first power supply positive electrode output end of the power supply module, the second input end of the second transformer is electrically connected with the second end of the second high-voltage switch in one second charge-discharge circuit, the third input end of the second transformer is electrically connected with the first power supply positive electrode output end of the power supply module, the fourth input end of the second transformer is electrically connected with the second end of the second high-voltage switch in the other second charge-discharge circuit, the output end of the second transformer is connected with the second resistor in parallel, and the output end of the second transformer is electrically connected with the output end of the second standard waveform; The input end of the fifth relay is electrically connected with the output end of the second transformer, the control end of the fifth relay is electrically connected with the third output end of the waveform control driving module, the output end of the fifth relay is connected with the third resistor in parallel, the first end of the third resistor is electrically connected with the first input end of the third transformer through the fourth resistor, the second end of the third resistor is electrically connected with the second input end of the third transformer through the fifth resistor, the output end of the third transformer is connected with the sixth resistor in parallel, and the output end of the third transformer is electrically connected with the output end of the third standard waveform.
7. The peak voltage signal generator according to claim 4, wherein the second coupling module further comprises a fourth transformer, a seventh resistor, and an eighth resistor, wherein, The first input end of the fourth transformer is electrically connected with the first power supply positive electrode output end of the power supply module, the second input end of the fourth transformer is electrically connected with the second end of the second high-voltage switch in the second charging and discharging circuit, the third input end of the fourth transformer is electrically connected with the first power supply positive electrode output end of the power supply module, the fourth input end of the fourth transformer is electrically connected with the second end of the second high-voltage switch in the other second charging and discharging circuit, the output end of the fourth transformer is respectively connected with the seventh resistor and the eighth resistor in parallel, and the output of the fourth transformer is respectively electrically connected with the output end of the fourth standard waveform and the output end of the fifth standard waveform.
8. The peak voltage signal generator according to claim 4, wherein the power supply module includes a first power conversion unit, a second power conversion unit, a lithium battery module, a sixth relay, a seventh relay, an eighth relay, and a ninth relay, wherein, The input end of the first power conversion unit is electrically connected with an alternating current power supply, the output end of the first power conversion unit is electrically connected with the input end of the eighth relay, the output end of the eighth relay is electrically connected with the input end of the ninth relay, the control end of the eighth relay is electrically connected with the positive electrode output end of the second power conversion unit through a test switch, the control end of the ninth relay is electrically connected with the first output end of the waveform control driving module, the first output end of the ninth relay is respectively electrically connected with the first end of the first high-voltage switch and the first end of the first capacitor, and the second output end of the ninth relay is respectively electrically connected with the input end of the second relay, the input end of the third relay and the input end of the fourth relay; The input end of the second power conversion unit is electrically connected with an alternating current power supply, the positive electrode output end of the second power conversion unit is electrically connected with the positive electrode output end of a third power supply, and the negative electrode output end of the second power conversion unit is electrically connected with the negative electrode output end of the third power supply; The control end of the sixth relay is electrically connected with the positive output end of the third power supply and the negative output end of the third power supply respectively, the input end of the sixth relay is electrically connected with the positive output end and the negative output end of the lithium battery module respectively, the output end of the sixth relay is electrically connected with the input end of the seventh relay, the control end of the seventh relay is electrically connected with the positive output end of the third power supply through a test switch, the output end of the seventh relay is electrically connected with the input end of the first relay, the positive output end of the lithium battery module is the positive output end of the second power supply, and the negative output end of the lithium battery module is the negative output end of the second power supply.
9. The peak voltage signal generator according to claim 8, further comprising a frequency information access module, the frequency control module comprising a frequency signal control unit and a pulse switch control signal unit, the first high voltage switch comprising a first opto-isolator, a plurality of first transistors, a plurality of ninth resistors, a plurality of sixth capacitors, and a tenth resistor, each of the second high voltage switches comprising a second opto-isolator, a plurality of second transistors, a plurality of eleventh resistors, a plurality of seventh capacitors, and a twelfth resistor, wherein, The input end of the frequency signal control unit is electrically connected with the output end of the frequency information access module, the output end of the frequency signal control unit is electrically connected with the input end of the pulse switch control signal unit, and the output end of the pulse switch control signal unit is electrically connected with the data input end of the first optical coupler isolator and the data input end of the second optical coupler isolator respectively; The positive electrode input end of the first optocoupler isolator is electrically connected with the first output end of the first relay, the negative electrode input end of the first optocoupler isolator is electrically connected with the second output end of the first relay, the output end of the first optocoupler isolator is respectively electrically connected with the first end of each ninth resistor, the first end of each sixth capacitor and the first end of each tenth resistor, the second end of each ninth resistor and the second end of each sixth capacitor are electrically connected with the base electrode of one first triode, the collector electrode of each first triode is electrically connected with the first output end of the ninth relay, and the emitter electrode of each triode is respectively electrically connected with the second end of each tenth resistor, the negative electrode input end of the first optocoupler isolator and the first input end of the first coupling module; The positive electrode input end of the second optocoupler isolator is electrically connected with the third output end of the first relay, the negative electrode input end of the second optocoupler isolator is electrically connected with the fourth output end of the first relay, the output end of the second optocoupler isolator is respectively electrically connected with the first end of each eleventh resistor, the first end of each seventh capacitor and the first end of each twelfth resistor, the second end of each eleventh resistor and the second end of each seventh capacitor are electrically connected with the base electrode of one second triode, the collector electrode of each second triode is electrically connected with the second input end of the second coupling module, and the emitter electrode of each second triode is respectively electrically connected with the second end of the twelfth resistor, the negative electrode input end of the second optocoupler isolator and the first power supply positive electrode output end of the power supply module.
10. The spike voltage generator of claim 4 wherein the selection signal receiving module comprises a first standard waveform selection key, a second standard waveform selection key, a third standard waveform selection key, a fourth standard waveform selection key, and a fifth standard waveform selection key, the waveform control driving module comprises a third optocoupler isolator, a fourth optocoupler isolator, a fifth optocoupler isolator, a sixth optocoupler isolator, a seventh optocoupler isolator, an eighth optocoupler isolator, a ninth optocoupler isolator, a tenth optocoupler isolator, an eleventh optocoupler isolator, and a twelfth optocoupler isolator, wherein, The input end of the third optocoupler isolator is electrically connected with the first standard waveform selection key, the output end of the third optocoupler isolator is electrically connected with the input end of the eighth optocoupler isolator, and the output end of the eighth optocoupler isolator is electrically connected with the first control end of the first relay; The input end of the fourth optical coupler isolator is electrically connected with the second standard waveform selection key, the output end of the fourth optical coupler isolator is electrically connected with the input end of the ninth optical coupler isolator, and the output end of the ninth optical coupler isolator is electrically connected with the first control end of the second relay; The input end of the fifth optical coupler isolator is electrically connected with the third standard waveform selection key, the output end of the fifth optical coupler isolator is electrically connected with the input end of the tenth optical coupler isolator, and the output end of the tenth optical coupler isolator is electrically connected with the first control end of the third relay; the input end of the sixth optical coupler isolator is electrically connected with the fourth standard waveform selection key, the output end of the sixth optical coupler isolator is electrically connected with the input end of the eleventh optical coupler isolator, and the output end of the eleventh optical coupler isolator is electrically connected with the first control end of the fourth relay; The input end of the seventh optical coupler isolator is electrically connected with the fifth standard waveform selection key, the output end of the seventh optical coupler isolator is electrically connected with the input end of the twelfth optical coupler isolator, and the output end of the twelfth optical coupler isolator is electrically connected with the first control end of the fourth relay.

Description

Spike voltage signal generator Technical Field The invention belongs to the technical field of electromagnetic compatibility testing, and particularly relates to a spike voltage signal generator. Background Along with the continuous improvement of the electronization and informatization degree of modern military equipment, the importance of electromagnetic compatibility test in the field of military aviation electronics is increasingly highlighted. The spike voltage signal generator is used as key equipment for electromagnetic compatibility test and is widely applied in the fields of military use, aerospace and the like. At present, three main standards are mainly used for testing peak voltage at home and abroad, namely a GJB151 standard, a GJB181 standard and a DO160 standard, and the standards have different requirements on parameters such as waveform characteristics, amplitude, duration, repetition frequency, source impedance and the like of peak voltage signals, for example, the GJB151 standard comprises GJB151C 10us, GJB151A 0.15us and the like. At present, each standard corresponds to a spike voltage signal generating device, if a certain product is tested by multiple standards, three spike voltage signal generating devices are needed, resources are consumed, a lot of space is occupied, and accordingly field cables are connected in disorder, and experimental efficiency is affected. Thus, there is a need for a spike voltage signal generator that can output a variety of standard spikes. Disclosure of Invention In view of the above, the present invention provides a spike voltage signal generator, which is mainly aimed at solving the problem that the existing spike voltage signal generator cannot output multiple standard spike signals. In order to solve the problems, the application provides a spike voltage signal generator, which comprises a selection signal receiving module, a waveform control driving module, a charging and discharging module, a plurality of coupling modules, a frequency control module and a power supply module, wherein, The selection signal receiving module is electrically connected with the waveform control driving module and is used for providing selection information of various standard waveforms for a user and receiving a determination signal of a target standard waveform of the user; The waveform control driving module is respectively and electrically connected with the selection signal receiving module and the charging and discharging module and is used for outputting a target waveform control driving signal to the charging and discharging module according to the determination signal of the target standard waveform; The power module is electrically connected with the charge-discharge module and is used for providing working voltage for the charge-discharge module; The frequency control module is respectively and electrically connected with the power supply module and the charge-discharge module and is used for providing a switch opening signal and a switch closing signal for the charge-discharge module; The charging and discharging module is respectively and electrically connected with the waveform control driving module, the frequency control module and the power supply module and is used for controlling a charging and discharging circuit matched with a target standard waveform to charge according to the target waveform control driving signal and discharging when the frequency control module outputs a switch closing signal; each coupling module is respectively and electrically connected with the charge-discharge module and the standard waveform output end and is used for coupling the discharge voltage of the charge-discharge circuit matched with the corresponding target standard waveform to generate a peak voltage signal corresponding to the target standard waveform. In one embodiment of the present invention, optionally, the charge and discharge module includes a first charge and discharge circuit, a pair of second charge and discharge circuits, and the plurality of coupling modules includes a first coupling module and a second coupling module, wherein, The first control end of the first charge-discharge circuit is electrically connected with the first output end of the waveform control driving module, the second control end of the first charge-discharge circuit is electrically connected with the output end of the frequency control module, the first input end of the first charge-discharge circuit is electrically connected with the first power supply positive electrode output end of the power supply module, the first output end of the first charge-discharge circuit is electrically connected with the input end of the first coupling module, and the second input end of the first charge-discharge circuit is electrically connected with the second power supply positive electrode output end and the second power supply negative electrode output end of the power supply module; The first