CN2786865Y - Combination wave generator - Google Patents
Combination wave generator Download PDFInfo
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- CN2786865Y CN2786865Y CN 200520011022 CN200520011022U CN2786865Y CN 2786865 Y CN2786865 Y CN 2786865Y CN 200520011022 CN200520011022 CN 200520011022 CN 200520011022 U CN200520011022 U CN 200520011022U CN 2786865 Y CN2786865 Y CN 2786865Y
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Abstract
The utility model relates to a combination wave generator which belongs to the technical field of a signal generator. The utility model comprises an electric energy storage network, a spark switch, a high-voltage triggering signal generator and a waveform recorder. The components has the connection relationship that the input end of the electric energy storage network is connected with a power supply voltage, the spark switch is connected between the electric energy storage network and a waveform forming network, the high-voltage triggering signal generator is connected with the spark switch, and the output end of the waveform forming network is connected with the waveform recorder; the electric energy storage network is mainly composed of a voltage regulator, a voltage boosting transformer, a water resistor, a high-voltage silicon stack and an energy storage capacitor, wherein the primary side of the voltage boosting transformer is connected with the voltage regulator, and the secondary side of the voltage boosting transformer is sequentially connected with the water resistor, the high-voltage silicon stack and the energy storage capacitor. The utility model can generate combined waves of which the voltage is as high as 30KV and the current output is as high as 15kA, besides, the utility model can generate voltage and current waves having a plurality of waveforms so as to meet the needs of testing in complex environments.
Description
Technical field
The utility model belongs to the signal generator technical field, particularly the structural design of combination wave generator.
Background technology
Lightning overvoltage and switching overvoltage produce electromagnetic interference through regular meeting in electric power transfer and distributed lines; these interference reach several kilovolts even higher sometimes; this has produced bad influence to electronic equipment in electric power transfer and the communication system and low-voltage component, may make them break down and cause damaging.Therefore, the voltage and current ripple that utilizes shock waveform generator to produce is usually checked these electronic equipments and the antijamming capability of low-voltage component under electromagnetic environment, and this method provides assurance for these device '.The voltage wave generator generally is different with the purposes of current wave generator, and in conjunction with the combination wave generator of electric current and voltage can be more perfect the electromagnetism immunocompetence of these equipment of check.Combination wave generator on sale can only produce a kind of current wave and a kind of voltage wave on Chinese market at present, such as the surge generator LSG 8015 of Shanghai three basic Electronics Equipment Co., Ltd production, can produce the voltage wave of 1.2/50 μ s and the current wave of 8/20 μ s, its maximum output voltage is 13kV, and maximum output current is 3kA.The test of carrying out under such as complex environments such as railway control systems then needs pulse voltage, electric current and the bigger voltage and current amplitude of more waveforms.
Summary of the invention
The purpose of this utility model is for overcoming the weak point of prior art, a kind of combination wave generator is proposed, this equipment can produce voltage and export the composite wave up to 15kA up to 30kV, electric current, can produce the voltage and the current wave of other multiple waveform in addition, to satisfy the needs of the test of carrying out under the complex environment.
The combination wave generator of the utility model design, comprise that electrical power storage network, spark switch, high-voltage trigger signal generator, waveform form network, waveform recording equipment, its annexation is: the input of this electrical power storage network is received supply voltage, this spark switch is connected the electrical power storage network and waveform forms between the network, this high-voltage trigger signal generator links to each other with spark switch, and the output that waveform forms network connects waveform recording equipment; This electrical power storage network mainly is made up of voltage regulator, step-up transformer, water resistance, high voltage silicon stack and storage capacitor: wherein, the former limit of step-up transformer connects voltage regulator, and its secondary links to each other with water resistance, high voltage silicon stack and storage capacitor successively.
This storage capacitor C0 and waveform form network can adopt the module that can carry out the machinery switching.With voltage and the current wave that produces needed multiple waveform.
Technique effect of the present utility model:
This equipment can produce voltage and export the composite wave up to 15kA up to 30kV, electric current, can produce the voltage and the current wave of other multiple waveform in addition, and for example current amplitude is up to the current wave of the 8/20 μ s of 40kA; Voltage magnitude is up to the 4/300 μ s voltage wave of 20kV; Voltage magnitude is up to the 10/100 μ s voltage wave of 10kV; Current amplitude is up to the current wave of the 10/350 μ s of 1.2kA; And voltage magnitude is up to the 10/700 μ s voltage wave of 20kV.Can satisfy the needs of the test of carrying out under the complex environment.When the test product short circuit, the combination wave generator of the utility model design will produce the current wave that needs; When the normal place in circuit of test product, then can produce the required voltage ripple.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
The combination wave generator of the utility model design reaches embodiment in conjunction with the accompanying drawings and is described in detail as follows:
The structure of combination wave generator of the present utility model as shown in Figure 1, it comprises that electrical power storage network (as frame of broken lines I among the figure), spark switch S, high-voltage trigger signal generator TR, waveform form network (as frame of broken lines II among the figure), waveform recording equipment (not shown), its annexation is: the input of this electrical power storage network is received supply voltage U, this spark switch S is connected the electrical power storage network and waveform forms between the network, this high-voltage trigger signal generator TR links to each other with spark switch S, and the output that waveform forms network connects waveform recording equipment;
This electrical power storage network mainly is made up of voltage regulator T1, step-up transformer T2, water resistance R0, high voltage silicon stack D and storage capacitor C0; Wherein, the former limit of step-up transformer T2 connects voltage regulator T1, and its secondary links to each other with storage capacitor C0 with water resistance R0, high voltage silicon stack D successively.When the former edge joint of voltage regulator T1 to supply voltage U, voltage regulator T1 is transferred to suitable position, make the voltage that can be charged to appointment on the storage capacitor C0.
This spark switch is three electrode types, and it has two main electrodes and a trigger electrode.When the high-voltage pulse that high-voltage trigger signal generator TR sends was delivered on the trigger electrode of spark switch, spark switch was connected, and electric energy is passed to waveform from storage capacitor form network.
This waveform forms network and is made up of passive resistance R 1, R2, R3, capacitor C, inductance L (waveform that has will not necessarily need capacitor C or inductance L, be the situation that does not have electric capacity shown in the figure) and rogowski coil W1, W2.Connect at spark switch, after electric energy enters waveform formation network, because the effect of resistance R, capacitor C and inductance L will form the output output scheduled current or the voltage pulse waveforms of network at waveform.The numerical value of resistance R, capacitor C and inductance L and method of attachment will be decided according to required curtage impulse waveform; Adopt the solid resistor of carborundum in the present embodiment, its remaining inductance is very little, thermal capacity is big.
W1 obtains current pulse signal by rogowski coil; Connect with the resistance R 2 of certain branch road by rogowski coil W2 simultaneously and record the electric current of this branch road, owing to adopt the solid resistor of carborundum during this usefulness is novel, the remaining inductance of this resistance is very little, then can release this ohmically voltage pulse signal according to Ohm's law.Current pulse signal and voltage pulse signal pass to oscilloscope and store to get off through transmission line.
Device described in the utility model can produce multiple pulse current or voltage waveform.Its mode is: each waveform requires its corresponding storage capacitor C0 and the corresponding waveform of being made up of resistance R, capacitor C and inductance L to form network.This storage capacitor C0 and waveform form network and make the modular structure that can be used for the machinery switching, select required storage capacitor C0 and corresponding waveform to form the module of network, link to each other with remaining circuit part, then can obtain the required voltage or the combination wave generator of current pulse shape.
The utility model embodiment is that the generation crest voltage is that 30kV, peak current are the combination wave generator of 15kA.Its electrical wiring schematic diagram is seen Fig. 1.In the electrical power storage network, the capacity of voltage regulator T1 is 2kVA; The no-load voltage ratio of step-up transformer T2 is 220V/35000V; The resistance of water resistance R0 is that 300k Ω, high voltage silicon stack D are 1A, reverse voltage 100kV; Storage capacitor C0 is 10 μ F.
Spark switch is three electrode types, and it has two hemispheric main electrodes and a trigger electrode.
Form in the network R1=1.4 Ω, R2=20.0 Ω, R3=9.0 Ω, L=8.8 μ H at waveform.
Measure with W2, the pulse voltage waveform that obtains on R2 is 1.2/50 μ s; When the output short circuit, measure the pulse current waveform of 8/20 μ s with W1.The pulse voltage amplitude scope of output is 4-30kV; The pulse current amplitude scope of output is 3-15kA.
Claims (5)
1, a kind of combination wave generator, it is characterized in that, comprise that electrical power storage network, spark switch, high-voltage trigger signal generator, waveform form network, waveform recording equipment, its annexation is: the input of this electrical power storage network is received supply voltage, this spark switch is connected the electrical power storage network and waveform forms between the network, and this high-voltage trigger signal generator links to each other with spark switch, and the output that waveform forms network connects waveform recording equipment; This electrical power storage network mainly is made up of voltage regulator, step-up transformer, water resistance, high voltage silicon stack and storage capacitor; Wherein, the former limit of step-up transformer connects voltage regulator, and its secondary links to each other with water resistance, high voltage silicon stack and storage capacitor successively.
2, combination wave generator as claimed in claim 1 is characterized in that, this storage capacitor and waveform form network using can carry out the module that machinery switches.
3, combination wave generator as claimed in claim 1 is characterized in that, this spark switch is the three electrode type spark switchs that two main electrodes and a trigger electrode are arranged.
4, combination wave generator as claimed in claim 1 is characterized in that, this waveform forms network and comprises passive resistance, electric capacity, inductance and rogowski coil W1, W2.
5, combination wave generator as claimed in claim 1 is characterized in that, this waveform forms the solid resistor of network using carborundum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520011022 CN2786865Y (en) | 2005-04-01 | 2005-04-01 | Combination wave generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520011022 CN2786865Y (en) | 2005-04-01 | 2005-04-01 | Combination wave generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2786865Y true CN2786865Y (en) | 2006-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520011022 Expired - Fee Related CN2786865Y (en) | 2005-04-01 | 2005-04-01 | Combination wave generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2786865Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104716862A (en) * | 2013-12-13 | 2015-06-17 | 上海普锐马电子有限公司 | High-precision low-current lightning surge generator |
| CN106571582A (en) * | 2016-10-20 | 2017-04-19 | 中国电力科学研究院 | Sphere gap spark switch triggering device, sphere gap spark switch, and control method |
| CN111458543A (en) * | 2020-04-17 | 2020-07-28 | 华北电力大学（保定） | PCB board level test combined wave generator controlled by mercury switch |
-
2005
- 2005-04-01 CN CN 200520011022 patent/CN2786865Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104716862A (en) * | 2013-12-13 | 2015-06-17 | 上海普锐马电子有限公司 | High-precision low-current lightning surge generator |
| CN106571582A (en) * | 2016-10-20 | 2017-04-19 | 中国电力科学研究院 | Sphere gap spark switch triggering device, sphere gap spark switch, and control method |
| CN111458543A (en) * | 2020-04-17 | 2020-07-28 | 华北电力大学（保定） | PCB board level test combined wave generator controlled by mercury switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |