CN201100899Y - Modular analysis high-energy thunder high current device - Google Patents
Modular analysis high-energy thunder high current device Download PDFInfo
- Publication number
- CN201100899Y CN201100899Y CNU2007200721301U CN200720072130U CN201100899Y CN 201100899 Y CN201100899 Y CN 201100899Y CN U2007200721301 U CNU2007200721301 U CN U2007200721301U CN 200720072130 U CN200720072130 U CN 200720072130U CN 201100899 Y CN201100899 Y CN 201100899Y
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Abstract
The utility model relates to a modularized simulated high energy lightning large current device which comprises a rectifier circuit and a charging circuit, wherein a charging capacitance of the charging circuit adopts a plurality of high energy ratio capacitors which are connected in parallel, the structure is evenly designed according to the circumference, namely, a drum type discharging electrode is arranged on the centre of circle, the charging capacitances are evenly distributed outwards from the center in radial type, each capacitance is connected with the electrode on the center, and an electric resistance is variable, adopts the low resistance value, and produces10us-350us power pulse. The device of the utility model has the advantages that a large capacitance is adopted, a plurality of units are connected in parallel, the circumference discharges evenly, a high strength WCu electrode realizes that not only 8/20us lightning current can be generated, but also 10/350us lightning current can be generated after the electric resistance is replaced, the transforming time is shortened from 1 hours to no more than 10 minutes, discharging current is stable, and both the current energy and waveform accord with requirements.
Description
Technical field
The utility model relates to a kind of simulation thunderbolt and produces 8/20us, 150KA and 10/350us, 35KA heavy current/high power pulse energy device, promptly can produce the pulse waveform parameter is 8/20us, the peak value peak power can reach 150KA and the pulse waveform parameter is 10/350us, and the peak value peak power can reach the pulse thunder and lightning of 35KA.
Background technology
Along with people to the deepening continuously of thunder-strike phenomenon research, press for a kind of device that can simulate thunder-strike phenomenon.Present engineering is most widely used and feasible method is by the dc high voltage device capacitor group to be charged, and triggers discharge by high-voltage electrode then, and control high voltage energy discharge parameter obtains standard lightning current waveform.The deep development that research field and engineering are used improves constantly the requirement of lightening pulse device, and not only requirement can be exported 8/20us pulse lightning current, can also export 10/350us pulse direct lightning strike electric current.
The analog electrical device of research is to adopt the Crowbar discharge principle at present, uses two covering devices to work in coordination, and adopts a covering device during with generation 8/20us lightning current, transforms when producing 10/350us direct lightning strike electric current and adds an other covering device.Such equipment investment is big, technical sophistication, the lightning current that produces is suitable for products such as discharging gap, be not suitable for widely used zinc oxide product, and the Crowbar discharge principle is subjected to air themperature and humidity effect, exist the problem of success ratio, be not suitable for the application of vast lightning-protected product manufacturer and testing agency.
Mainly there is following technical deficiency in existing Crowbar discharge technology: (1) operation of equipment complexity: produce 10/350us lightning current waveform, must adopt two complete equipment teamworks simultaneously, action lock in time is about 10us.Careless slightly or the external environment variation of operating personnel promptly is difficult to successfully.(2) investment is huge: a set of equipment invests easily 1,000,000 like this, domestic import two complete equipments, and unit price is all more than four or five hundred ten thousand.(3) the output lightning current is used and to be only limited to the clearance, then can not use for using more widely the metal oxide pressure-sensitive device in the engineering field.
Summary of the invention
Technical matters of the present utility model is to provide the same set of device just of a kind of usefulness to change the Modular device for simulating high energy thunder amplification current that resistance just can produce 8/20us output pulses and 10/350us output pulses.
In order to solve above technical matters, the utility model provides a kind of Modular device for simulating high energy thunder amplification current, this device comprises rectification circuit and charging circuit, charging capacitor in the described charging circuit adopts high energy than capacitor, and this capacitor is by a plurality of parallel connections, press the circumference uniform distribution design on the structure, be the center of cylindrical sparking electrode at circle, outside radiant type is laid charging capacitor from the center, and each electric capacity is connected with the sparking electrode at center by resistance.Is the energy elementary cell with high energy than capacitor, because unit energy does not generally satisfy the needs of the big electric current of high-energy, thus take the mode of many group energy units parallel connection, to increase the gross energy of output.Yet organizing energy unit must connect with metallic conductor more, in high-frequency range, the metallic conductor equivalence is an inductance, conduction time is different on the metallic conductor of current energy different length, the utility model has been taked the circumference uniform distribution structural design, cause energy discharge synchronous in the energy discharge process in parallel, and this frame mode is convenient to waveform resistance and installs, reach the harmony of equipment integral technology and structure.
Described resistance is variable, adopts low resistance, produces 8us～20us output pulses, adopts high value, produces 10us～350us output pulses.
Superior effect of the present utility model is:
1) same set of equipment can produce the problem of 8/20us lightning current and 10/350us lightning current, the scheme simple possible, and the cost performance height, stable performance, range of application is not limited only to the clearance, but contains all lightning protection components.
2) adopt high capacitance, the multiple-unit parallel connection, the circumference uniform distribution discharge, multinomial new technologies such as high intensity tungsten copper electrode and computing machine synchro control, realized both can producing the 8/20us lightning current, can produce the 10/350us lightning current again behind the replacing resistance, shortened to less than ten minute by 1 hour switching time, discharge current is stable, and current energy and waveform all meet the requirements.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is circuit theory diagrams of the present utility model;
Fig. 3 produces the circuit theory diagrams of 10/350us simulation thunder and lightning for the utility model.
The number in the figure explanation
The 1-capacitor; The 2-sparking electrode;
3-resistance.
Embodiment
See also shown in the accompanying drawing, the utility model will be further described.
Shown in Fig. 1 structural representation of the present utility model and Fig. 2 circuit theory diagrams of the present utility model, the utility model provides a kind of Modular device for simulating high energy thunder amplification current, this device comprises rectification circuit and charging circuit, charging capacitor in the described charging circuit, adopt high energy than capacitor 1, this capacitor 1 is by a plurality of parallel connections, press the circumference uniform distribution design on the structure, be the center of cylindrical sparking electrode 2 at circle, outside radiant type is laid charging capacitor 1 from the center, and each capacitor 1 is connected with the sparking electrode 2 at center by resistance 3.Is the energy elementary cell with high energy than capacitor 1, because unit energy does not generally satisfy the needs of the big electric current of high-energy, thus take the mode of many group energy units parallel connection, to increase the gross energy of output.Yet organizing energy unit must connect with metallic conductor more, in high-frequency range, the metallic conductor equivalence is an inductance, conduction time is different on the metallic conductor of current energy different length, the utility model has been taked the circumference uniform distribution structural design, cause energy discharge synchronous in the energy discharge process in parallel, and this frame mode is convenient to waveform resistance and installs, reach the harmony of equipment integral technology and structure.
Described resistance 3 is variable, adopts low resistance, produces 8us～20us output pulses, adopts high value, produces 10us～350us output pulses.The utility model need not adopt external inductors, has promptly saved the parts expense, makes decoration structure features simple design again, reaches the purpose of killing three birds with one stone.
Shown in the circuit theory diagrams that Fig. 3 the utility model produces 10/350us simulation thunder and lightning, the control of 10/350us energy is one of existing IEC requirement, at direct thunder test point energy controlling resistance Rp in parallel, change the Rp resistance sizes, promptly can control waveform afterbody current amplitude, reach the purpose of control energy.
The utility model can have been exported 10/350us lightning current pulse amplitude and reach 35kA, is applied to the test of all lightning protection components and surge protector, and this is not seen in same category of device and the open source information at home.Simultaneously 8/20us lightning current peak value can be exported and 150kA can be reached.
Claims (2)
1. Modular device for simulating high energy thunder amplification current, comprise rectification circuit and charging circuit, it is characterized in that: the charging capacitor in the described charging circuit, adopt high energy to compare capacitor, this capacitor is pressed the circumference uniform distribution design by a plurality of parallel connections on the structure, promptly the cylindrical sparking electrode is at the center of circle, outside radiant type is laid charging capacitor from the center, and each electric capacity is connected with the sparking electrode at center by resistance.
2. by the described a kind of Modular device for simulating high energy thunder amplification current of claim 1, it is characterized in that: described resistance is variable, adopts low resistance, produces 8us～20us output pulses, adopts high value, produces 10us～350us output pulses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200721301U CN201100899Y (en) | 2007-07-03 | 2007-07-03 | Modular analysis high-energy thunder high current device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200721301U CN201100899Y (en) | 2007-07-03 | 2007-07-03 | Modular analysis high-energy thunder high current device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201100899Y true CN201100899Y (en) | 2008-08-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200721301U Expired - Lifetime CN201100899Y (en) | 2007-07-03 | 2007-07-03 | Modular analysis high-energy thunder high current device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201100899Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101079584B (en) * | 2007-07-03 | 2010-05-19 | 上海万谱电器有限公司 | Modular device for simulating high energy thunder amplification current |
-
2007
- 2007-07-03 CN CNU2007200721301U patent/CN201100899Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101079584B (en) * | 2007-07-03 | 2010-05-19 | 上海万谱电器有限公司 | Modular device for simulating high energy thunder amplification current |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20080813 Effective date of abandoning: 20070703 |