CN202794257U - Multi-waveform impulse current generator - Google Patents
Multi-waveform impulse current generator Download PDFInfo
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- CN202794257U CN202794257U CN 201220368773 CN201220368773U CN202794257U CN 202794257 U CN202794257 U CN 202794257U CN 201220368773 CN201220368773 CN 201220368773 CN 201220368773 U CN201220368773 U CN 201220368773U CN 202794257 U CN202794257 U CN 202794257U
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Abstract
A multi-waveform impulse current generator comprises a controller, a high-voltage direct current charging module, a multi-waveform switching module, a test board and a gap ball. The multi-waveform switching module comprises a first capacitor unit, a first switch block, a second capacitor unit, a second switch block and a wave regulation resistor unit. The first capacitors in the first capacitor unit are respectively in series connection with the second capacitors in the second capacitor unit; each of the first capacitors and the second capacitors comprises an upper capacitor and a lower capacitor which are in series connection; the contacts between upper capacitors and lower capacitors in the first capacitor unit are in series connection through a first lead; the contacts between upper capacitors and lower capacitors in the second capacitor unit are in series connection through a second lead; and the contacts between the lower capacitors in the first capacitor unit and the upper capacitors in the second capacitor unit are in series connection through a third lead. According to the impulse current generator provided in the utility model, a plurality of waveforms are generated, the utilization rate of a device is raised, the number of components is reduced, and damage caused by a partial residual voltage of a capacitor is substantially reduced.
Description
Technical field
The utility model relates to the technical field that the power input is transformed to surge power output, relates in particular to a kind of impulse current generator of many waveforms.
Background technology
Simulation lightning surge current detecting system, claim again impulse current generator, that instantaneous discharge by energy-storage capacitor forms large electric current, the lightning protection devices such as SPD, voltage dependent resistor (VDR), lightning protection box and device are simulated lightning test, thereby verify whether these devices can satisfy large electric current, superpotential that thunder and lightning is caused and play and absorb and inhibiting effect, also can be used to the antijamming capability in the environment of thunderbolt such as power-supply system, electronic product is tested and verified; This equipment also useful application is analyzed in other scientific researches, such as fields such as Spark gaps.Prior art is to use different instruments to produce respectively single waveform, the test apparatus investment is larger, use also inconvenient, the white movingization degree of control is not high, and the device that Waveform Generator need to be controlled is many, relate to each waveform module inter lock problem, adopt traditional Control pattern can greatly increase the control difficulty.
Summary of the invention
The utility model purpose provides a kind of many waveform switchs module for the lightning surge current detecting system, this many waveform switchs module can produce multiple waveforms, improved the utilization factor of device and reduce element, greatly reduce the harm that the part residual voltage of capacitor is brought, avoid operator's contact arrangement high voltage component, strengthen the equipment operating security, made things convenient between multiple waveforms and switched, reach the operator and can automatically finish the switching of waveform in man-machine interface by arranging, thereby economize labor time, raise labour efficiency.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of impulse current generator of many waveforms comprises controller, high voltage direct current charging module, many waveform switchs module, is used for placing the test board of testing sample, the gap ball that is used for its break-make of control between many waveform switchs module and test board;
Described controller is used for controlling the waveform switch of described high voltage direct current charging module punching electricity and many waveform switchs module;
Described high voltage direct current charging module is used for many waveform switchs module is charged;
Described many waveform switchs module provides dash current to test board;
Discharge loop comprises the first capacitor unit that at least 4 the first Parallel-connected Capacitors form, the second capacitor unit with the first switches set of the first capacitor unit parallel connection, the second Parallel-connected Capacitor composition of equating with described the first number of capacitors, second switch group and the wave regulating resistor unit in parallel with the second capacitor unit in described many waveform switchs module;
The first capacitor is connected with the second capacitor's seriesu in the second capacitor unit and successively between the discharge loop two ends in described the first capacitor unit, described the first capacitor and the second capacitor are by the upper electric capacity of series connection, lower electric capacity forms, the upper electric capacity of each first capacitor in the first capacitor unit, contact is by the series connection of the first wire between the lower electric capacity, the upper electric capacity of each second capacitor in the second capacitor unit, contact is by the second wire series connection between the lower electric capacity, in the first capacitor unit in each time electric capacity and the second capacitor unit on each contact of electric capacity connect by privates; Privates is electrically connected with contact between the first switches set and the second switch group;
Described wave regulating resistor unit comprises the first wave regulating resistor group and the second wave regulating resistor group, the first wire one end is connected with the second wire one end through the 3rd switches set, be provided with the 4th switches set between the contact of the first wave regulating resistor group and described the 3rd switches set and the second wire, be provided with the 5th switches set between the described second capacitor unit other end and the second wave regulating resistor group.
It is as follows that technique scheme is further improved technical scheme:
1. in the such scheme, described the first wave regulating resistor group is composed in parallel by some resistance, and described the second wave regulating resistor group is composed in parallel by some resistance.
2. in the such scheme, electric capacity all adopts the electric capacity of 20kV32 μ F * 2 in described the first capacitor and the second capacitor.
Because technique scheme is used, the utility model compared with prior art has following advantages:
Many waveform switchs of the utility model module can produce multiple waveforms, it has improved the utilization factor of device and has reduced element, greatly reduce the harm that the part residual voltage of capacitor is brought, avoid operator's contact arrangement high voltage component, strengthen the equipment operating security, made things convenient between multiple waveforms and switched, reach the operator and can automatically finish the switching of waveform in man-machine interface by arranging, thereby economize labor time, raise labour efficiency.
Description of drawings
Fig. 1 is the impulse current generator structural representation of the many waveforms of the utility model;
Fig. 2 is the utility model discharge loop structural representation.
In the above accompanying drawing: 1, test board; 2, discharge loop; 3, gap ball; 4, the first capacitor unit; 41, the first capacitor; 411, upper electric capacity; 412, lower electric capacity; 5, the second capacitor unit; 51, the second capacitor; 6, wave regulating resistor unit; 61, the first wave regulating resistor group; 62, the second wave regulating resistor group; 7, the first wire; 8, the second wire; 9, privates; 10, controller; 11, high voltage direct current charging module; 12, many waveform switchs module.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment: a kind of impulse current generator of many waveforms comprises controller, high voltage direct current charging module, many waveform switchs module, is used for placing the test board of testing sample, the gap ball that is used for its break-make of control between many waveform switchs module and test board;
Described controller is used for controlling the waveform switch of described high voltage direct current charging module punching electricity and many waveform switchs module;
Described high voltage direct current charging module is used for many waveform switchs module is charged;
Described many waveform switchs module provides dash current to test board;
Discharge loop comprises the first capacitor unit that at least 4 the first Parallel-connected Capacitors form, the second capacitor unit with the first switches set of the first capacitor unit parallel connection, the second Parallel-connected Capacitor composition of equating with described the first number of capacitors, second switch group and the wave regulating resistor unit in parallel with the second capacitor unit in described many waveform switchs module;
In described the first capacitor unit 4 the first capacitor 41 successively and in the second capacitor unit 5 the second capacitor 51 be connected in series and between discharge loop 2 two ends, described the first capacitor 41 and the second capacitor 51 are by the upper electric capacity 411 of series connection, lower electric capacity 412 forms, the upper electric capacity 411 of each first capacitor 41 in the first capacitor unit 4, contact is by 7 series connection of the first wire between the lower electric capacity 412, the upper electric capacity 411 of each second capacitor 51 in the second capacitor unit 5, contact is by the series connection of the second wire 8 between the lower electric capacity 412, in the first capacitor unit 4 in each time electric capacity 412 and the second capacitor unit 5 on each the contact of electric capacity 411 connect by privates 9; Privates 9 is electrically connected with contact between the first switches set K1, K2 and second switch group K3, the K4;
Described wave regulating resistor unit 6 comprises the first wave regulating resistor group 61 and the second wave regulating resistor group 62, the first wire 7 one ends are connected with the second wire 8 one ends through the 3rd switches set K5, K6, be provided with the 4th switches set K7, K8 between the contact of the first wave regulating resistor group 61 and described the 3rd switches set K5, K6 and the second wire 8, be provided with the 5th switches set K9, K10 between described the second capacitor unit 5 other ends and the second wave regulating resistor group 62.
Above-mentioned the first wave regulating resistor group 61 is composed in parallel by some resistance, and described the second wave regulating resistor group 62 is composed in parallel by some resistance.
Electric capacity all adopts the electric capacity of 20kV32 μ F * 2 in above-mentioned the first capacitor 41 and the second capacitor 42.
Many waveform switchs of present embodiment module specific works process is as follows: in major loop, 10 capacitors, it is capacitor core that there are 2 electric capacity in every capacitor internal, every group 2, if realize 8/20 discharge loop, then need 2 (4) capacitors of every group to connect, then 5 groups are carried out parallel connection, it is K switch 1, K2, K3, K4, K5, K6, K7, K8 all opens, K9, two platform switch closures of K10, thereby form total capacitance 40 μ F, ceiling voltage 80kV passes through the 8/20 wave regulating resistor cell discharge of R1 '～R15 ', exportable standard 8/20 μ s waveform.If realize 10/350 discharge loop, then need 2 (4) capacitors of every group all in parallel, 5 groups in parallel, be that K switch 1, K2, K3, K4, K5, K6, K7, K8 are all closed, K9, two switch opens of K10, form total capacitance 640 μ F this moment, ceiling voltage 20kV passes through the 10/350 wave regulating resistor discharge of R1 '～R15 ', exportable standard 10/350 μ s waveform
When adopting the impulse current generator of above-mentioned many waveforms, it has improved the utilization factor of device and has reduced element, greatly reduce the harm that the part residual voltage of capacitor is brought, avoid operator's contact arrangement high voltage component, strengthen the equipment operating security, made things convenient between multiple waveforms and switched, reach the operator and can automatically finish the switching of waveform in man-machine interface by arranging, thereby economize labor time, raise labour efficiency.
Above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with technique can understand content of the present utility model and according to this enforcement, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, and all should be encompassed within the protection domain of the present utility model.
Claims (3)
1. the impulse current generator of waveform more than a kind, comprise controller (10), high voltage direct current charging module (11), many waveform switchs module (12), be used for placing testing sample test board (1), be positioned at the gap ball (3) that is used for controlling its break-make between many waveform switchs module (12) and the test board (1);
Described controller (10) is used for controlling the waveform switch of described high voltage direct current charging module (11) charging and many waveform switchs module (12);
Described high voltage direct current charging module (11) is used for many waveform switchs module (12) is charged;
Described many waveform switchs module provides dash current to test board (1);
It is characterized in that: in described many waveform switchs module discharge loop (2) comprise the first capacitor unit (4) that at least 4 the first capacitors (41) compose in parallel, the second capacitor unit (5) that composes in parallel with the first capacitor unit (4) the first switches set (K1, K2) in parallel, the second capacitor (51) of equating with described the first capacitor (41) number, second switch group (K3, K4) and wave regulating resistor unit (6) in parallel with the second capacitor unit (5);
In described the first capacitor unit (4) the first capacitor (41) successively and in the second capacitor unit (5) the second capacitor (51) be connected in series and be positioned between discharge loop (2) two ends, described the first capacitor (41) and the second capacitor (51) are by the upper electric capacity (411) of series connection, lower electric capacity (412) forms, the upper electric capacity (411) of each first capacitor (41) in the first capacitor unit (4), contact is by the first wire (7) series connection between the lower electric capacity (412), the upper electric capacity (411) of each second capacitor (51) in the second capacitor unit (5), contact is by the second wire (8) series connection between the lower electric capacity (412), in the first capacitor unit (4) in each time electric capacity (412) and the second capacitor unit (5) on each the contact of electric capacity (411) connect by privates (9); Privates (9) is electrically connected with contact between the first switches set (K1, K2) and the second switch group (K3, K4);
Described wave regulating resistor unit (6) comprises the first wave regulating resistor group (61) and the second wave regulating resistor group (62), the first wire (7) one ends are connected with the second wire (8) one ends through the 3rd switches set (K5, K6), be provided with the 4th switches set (K7, K8) between the contact of the first wave regulating resistor group (61) and described the 3rd switches set (K5, K6) and the second wire (8), be provided with the 5th switches set (K9, K10) between described the second capacitor unit (5) other end and the second wave regulating resistor group (62).
2. impulse current generator according to claim 1, it is characterized in that: described the first wave regulating resistor group (61) is composed in parallel by some resistance, and described the second wave regulating resistor group (62) is composed in parallel by some resistance.
3. impulse current generator according to claim 1 is characterized in that: electric capacity all adopts the electric capacity of 20kV32 μ F * 2 in described the first capacitor (41) and the second capacitor (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220368773 CN202794257U (en) | 2012-07-27 | 2012-07-27 | Multi-waveform impulse current generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220368773 CN202794257U (en) | 2012-07-27 | 2012-07-27 | Multi-waveform impulse current generator |
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| CN202794257U true CN202794257U (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220368773 Expired - Lifetime CN202794257U (en) | 2012-07-27 | 2012-07-27 | Multi-waveform impulse current generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102868314A (en) * | 2012-07-27 | 2013-01-09 | 苏州泰思特电子科技有限公司 | Multi-waveform impact current generator |
-
2012
- 2012-07-27 CN CN 201220368773 patent/CN202794257U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102868314A (en) * | 2012-07-27 | 2013-01-09 | 苏州泰思特电子科技有限公司 | Multi-waveform impact current generator |
| CN102868314B (en) * | 2012-07-27 | 2014-12-10 | 苏州泰思特电子科技有限公司 | Multi-waveform impact current generator |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |
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| CX01 | Expiry of patent term |