CN204376752U - A kind of superconduction inductance capacitance hybrid energy-storing impulse power electrical source - Google Patents
A kind of superconduction inductance capacitance hybrid energy-storing impulse power electrical source Download PDFInfo
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- CN204376752U CN204376752U CN201520076030.0U CN201520076030U CN204376752U CN 204376752 U CN204376752 U CN 204376752U CN 201520076030 U CN201520076030 U CN 201520076030U CN 204376752 U CN204376752 U CN 204376752U
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Abstract
The utility model discloses a kind of superconduction inductance capacitance hybrid energy-storing impulse power electrical source, comprise initial charge power supply, gate-controlled switch, energy storage capacitor, nonlinear resistance, three winding pulse transformer, diode and load; Superconduction inductive energy storage and capacitance energy storage effectively combine by the utility model structure, and utilize three winding pulse transformer that energy is carried out Fast Compression and release; The energy storage of capacitor collection and pressure limiting two kinds of functions and accelerate energy to the speed of load transfer and efficiency by LC oscillation circuit; Piezo-resistance makes the residual current rapid decay in the superconducting coil of former limit, improves energy transfer efficiency.
Description
Technical field
The utility model belongs to technical field of pulse power, particularly a kind of heavy current pulse generating means utilizing superconduction inductance capacitance hybrid energy-storing.
Background technology
Pulse Power Techniques are one of high-tech technology of hot topic in the world at present, and the relatively long-time interior energy stored is completed compression and shaping, to obtaining the electric pulse of various amplitude, steep-front, short time in load by short notice.In recent years, flourish along with Pulse Power Techniques, it has penetrated into the every aspect of our daily life.At military aspect, it can be applied in the devices such as electromagnetic emission, HIGH-POWERED MICROWAVES, satellite booster and controlled laser nuclear fusion; At industrial circle, it may be used for drive laser and completes cutting and the work such as to weld, process waste gas waste water and food fresh keeping; In medical field, Pulse Power Techniques can drive accelerator to produce roentgenotherapia cancer patient, as cardiac pacemaker, by NO inhalation therapy treatment respiratory disease and pulverize solid etc.In a word, it has important application more and more widely in the fields such as national defence scientific research, research in new high-tech and civilian industry.
According to different energy storage types, pulse power device is mainly divided into inductive energy storage type and capacitor energy storage type two kinds of modes.
Inductive energy storage stores with field form, has the advantages such as energy storage density is high, volume is little, but the technical difficulty of the disconnect used in energy release process is comparatively large, and the efficiency of power conversion is lower.But along with the development of superconductor technology, it has the advantages such as energy storage density is high, loss is little, efficiency is high, has important application prospect by pulse power field.Capacitance energy storage stores with electric field form, have the advantages such as structure is simple, technology maturation, but its energy storage density is low, leakage current large, is not suitable for long term storage.
At present, in the occasion needing pulse heavy current, there is the discharge mode that two kinds main.The first is that electric capacity is to step-down up-flow type pulse transformer discharge mode (as shown in Figure 1); The second is inductive energy storage type MEATGRINDER circuit (as shown in Figure 2).But, these two kinds of traditional circuits have its inherent defect: in the first circuit in load in order to prevent reverse current, current reduction ratio in the winding of former limit can not be excessive, due to transformer every straight-through friendship characteristic, cause the more dump energy in the winding loop of former limit not to be delivered to load-side; The second circuit is to load transfer energy by inter-stage mutual inductance, in order to the overvoltage limited on disconnect introduces electric capacity, but, along with the increase of system stored energy grade, bulky capacitor must be selected with limit switch voltage, this not only lowers energy and also add device volume and weight to the speed of load-side transmission.In addition, owing to adopting copper product coiling, inevitably there is heating loss and the low problem of current capacity, be unfavorable for the miniaturization of system, lightweight and high efficiency in above-mentioned two kinds of circuit inductance windings.
Utility model content
In view of the shortcoming of prior art, the purpose of this utility model is a kind of superconduction inductance capacitance hybrid energy-storing impulse power electrical source of design, above-mentioned two kinds of circuit are effectively combined, and devise novel pulse transformer structure and peripheral circuit, add the energy storage density of device and the speed of energy transferring and efficiency.
The purpose of this utility model is realized by following means.
A kind of superconduction inductance capacitance hybrid energy-storing impulse power electrical source, is characterized in that, comprise initial charge power supply, gate-controlled switch, energy storage capacitor, piezo-resistance, three winding pulse transformer, diode and load; Wherein, initial charge power supply 1 is made up of DC current source and protective resistance; Gate-controlled switch comprises induction charging switch 2, capacitor discharge switch 4 and load side switch 14; There is former limit winding and form three shunt circuits with initial charge power supply 1, energy storage capacitor 3 and piezo-resistance 6 respectively with the former limit winding of the two vice-side winding transformers 8 adopting self coupling mode to be connected with load; Capacitor discharge switch 4 is connected on energy storage capacitor 3; Charging diode 5 reverse each other and fly-wheel diode 7 are connected on the branch road of energy storage capacitor 3 and piezo-resistance 6 respectively, and capacitor discharge switch 4 is in parallel with charging diode 5; Transformer two secondary branch road is in series with the contrary rectifier diode in direction (12 and 13) and a load side switch 14 respectively.。
The former vice-side winding close-coupled of described three winding pulse transformer, coupling coefficient is more than 0.85, and former limit winding adopts belt material of high temperature superconduct coiling, and vice-side winding can adopt copper strips or superconducting tape coiling; Described pulse transformer entirety is placed in the low-temperature (low temperature) vessel that superconducting coil can be made to be in superconducting state.
Described energy storage capacitor adopts self-healing high-voltage pulse capacitor.
In described gate-controlled switch, induction charging switch and capacitor discharge switch adopt controls switch entirely, can be the full-control type semiconductor switchs such as IGBT, IGCT, MOSFET; Load switch adopts half control switch, can be the half control type semiconductor switchs such as GTO.
Described piezo-resistance adopts ZnO resistance, and the ceiling voltage that should bear according to current levels and superconduction winding is selected.
Beneficial outcomes of the present utility model is: 1. power acquisition superconduction inductance capacitance hybrid energy-storing, and two energy-storage modules share a charge power supply, and wherein, the energy of electric capacity is provided by superconduction inductance, greatly save the volume and weight of device, reduce the loss of device; 2. the energy storage of electric capacity collection and shaping double action, when starting to discharge, former limit superconduction winding discharges under electric capacity pre-charge voltage, accelerates former limit winding energy to the efficiency of load transfer and speed, limits the voltage on discharge switch; 3. pulse transformer secondary adopts coupling two limit winding constructions, and by load end series rectifier diode and load switch, makes any change of former limit winding current can produce the electric current of equidirectional in load; 4. adding due to piezo-resistance, the residual current in former limit superconduction winding is decayed rapidly, further increase the efficiency of device and save time of electric discharge.
Accompanying drawing illustrates:
Fig. 1 is that electric capacity is to step-down up-flow type pulse transformer discharge mode schematic diagram.
Fig. 2 is single-stage inductive energy storage MEATGRINDER circuit theory diagrams.
Fig. 3 is the circuit theory diagrams of the impulse power electrical source that the utility model proposes.
1. initial charge power supplys, 2. induction charging switch S in figure
1, 3. energy storage capacitor C, 4. capacitor discharge switch S
2, 5. charging diode D
1, 6. piezo-resistance R, 7. sustained diode
2, 8. three winding pulse transformer TX, 9. former limit winding L p, 10. vice-side winding Ls
1, 11. vice-side winding Ls
2, 12. rectifier diode D
3, 13. rectifier diode D
4, 14. load side switch S
3, 15. load Load.
Embodiment
Below in conjunction with accompanying drawing and concrete enforcement, the utility model is further described.
1. initial charge power supplys, 2. induction charging switch S in Fig. 3
1, 3. energy storage capacitor C, 4. capacitor discharge switch S
2, 5. charging diode D
1, 6. piezo-resistance R, 7. sustained diode
2, 8. three winding pulse transformer TX, 9. former limit winding L p, 10. vice-side winding Ls
1, 11. vice-side winding Ls
2, 12. rectifier diode D
3, 13. rectifier diode D
4, 14. load switch S
3, 15. load Load.
Fig. 3 breaker in middle S
1, S
2for entirely controlling switch, the all-controlled semiconductor switches such as IGBT, IGCT, MOSFET can be adopted; S
3for half control switch, the half control semiconductor switchs such as GTO can be adopted; Piezo-resistance R selects ZnO resistance, and the ceiling voltage that should bear according to current levels and superconduction winding is selected.
In Fig. 3, the coupling coefficient of the former vice-side winding of three winding pulse transformer should more than 0.8.
Total energy storage that in Fig. 3, superconduction inductance and electric capacity account for power supply can regulate according to specific requirement.
Below in conjunction with accompanying drawing, introduce the course of work of the hybrid energy-storing impulse power electrical source that the utility model proposes in detail, following six stages can be divided into.
First stage, charge switch S
1conducting, discharge switch S
2, load switch S
3close, the former limit winding L p of initial charge power supply pulse transformer charges, and when the electric current on inductance reaches requirement, turns off charge switch S
1, enter second stage.
Second stage, turns off charge switch S
1, the former limit superconduction winding L p of three winding pulse transformer TX is through diode D
1charge to electric capacity C, the voltage on electric capacity C can be regulated, due to switch S by the electric current changing Lp
2and S
3do not have conducting, the energy in superconduction inductance Lp is all stored in electric capacity.When the electric current in superconduction inductance Lp drops to zero, enter the phase III.
Phase III, again conducting charge switch S
1, initial charge power supply charges to former limit superconduction winding L p again, and charging current value is adjustable.When needs are to load discharge, enter fourth stage.
Fourth stage, triggering and conducting load switch S
3with capacitor discharge switch S
2, turn off charge switch S
1, former limit superconduction winding L p discharges to recharged capacitance C, and the sudden change of former limit winding current can produce induced voltage, vice-side winding Ls in vice-side winding
1the induced current of middle generation is through rectifier diode D
3and switch S
3to load discharge, due to rectifier diode D
4blocking effect, vice-side winding Ls
2in there is no induced current.When the electric current in superconduction winding L p drops to zero, enter five-stage.
Five-stage, electric capacity C is through switch S
2to superconduction former limit winding back discharge, vice-side winding Ls
1the induced current of middle generation is to load discharge.When detect the voltage drop on electric capacity C to zero time, shutdown switch S
2, entered for the 6th stage.
In 6th stage, the residual current in the former limit winding L p of superconduction is all by piezo-resistance R, and the stabilized voltage characteristic due to piezo-resistance makes superconduction winding L p discharge at an approximately constant pressure, vice-side winding Ls
3the induced current of middle generation is through diode D
4to load discharge, due to rectifier diode D
3effect, vice-side winding Ls
2in there is no induced current.Finally, the electric current in the former limit winding L p of superconduction decays to zero rapidly under the effect of R, and electric discharge terminates.
Adopt basic structure of the present utility model; multiple equivalent change can be had in reality is implemented; in every case be the technical scheme according to utility model and utility model design thereof, be equal to and replace and change, be all considered to belong to the protection range of claim of the present utility model.
Claims (4)
1. a superconduction inductance capacitance hybrid energy-storing impulse power electrical source, is characterized in that, comprises initial charge power supply, gate-controlled switch, energy storage capacitor, piezo-resistance, three winding pulse transformer, diode and load; Wherein, initial charge power supply (1) is made up of DC current source and protective resistance; Gate-controlled switch comprises induction charging switch (2), capacitor discharge switch (4) and load side switch (14); There is former limit winding and form three shunt circuits with initial charge power supply (1), energy storage capacitor (3) and piezo-resistance (6) respectively with the former limit winding of the two vice-side winding transformers (8) adopting self coupling mode to be connected with load; Capacitor discharge switch (4) is connected on energy storage capacitor (3); Charging diode (5) reverse each other and fly-wheel diode (7) are connected on the branch road of energy storage capacitor (3) and piezo-resistance (6) respectively, and capacitor discharge switch (4) is in parallel with charging diode (5); Transformer two secondary branch road is in series with the contrary rectifier diode in direction (12 and 13) and a load side switch (14) respectively.
2. impulse power electrical source according to claim 1, is characterized in that, the former vice-side winding close-coupled of three winding pulse transformer, and former limit winding adopts belt material of high temperature superconduct coiling, and vice-side winding adopts copper strips or superconducting tape coiling; Described pulse transformer entirety is placed in the low-temperature (low temperature) vessel making superconducting coil be in superconducting state.
3. impulse power electrical source according to claim 1, is characterized in that, described piezo-resistance adopts ZnO varistor.
4. impulse power electrical source according to claim 1, is characterized in that, in described gate-controlled switch, induction charging switch and capacitor discharge switch adopt controls switch entirely, can be IGBT, IGCT, MOSFET full-control type semiconductor switch; Load switch adopts half control switch, can be GTO half control type semiconductor switch.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520076030.0U CN204376752U (en) | 2015-02-03 | 2015-02-03 | A kind of superconduction inductance capacitance hybrid energy-storing impulse power electrical source |
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| CN201520076030.0U CN204376752U (en) | 2015-02-03 | 2015-02-03 | A kind of superconduction inductance capacitance hybrid energy-storing impulse power electrical source |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104734555A (en) * | 2015-02-03 | 2015-06-24 | 西南交通大学 | Pulse power supply utilizing superconductive inductor and capacitor hybrid energy storage |
| CN105162352A (en) * | 2015-10-27 | 2015-12-16 | 重庆大学 | Inductive loaded bipolar steep pulse current source and steep pulse current control method |
-
2015
- 2015-02-03 CN CN201520076030.0U patent/CN204376752U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104734555A (en) * | 2015-02-03 | 2015-06-24 | 西南交通大学 | Pulse power supply utilizing superconductive inductor and capacitor hybrid energy storage |
| CN104734555B (en) * | 2015-02-03 | 2017-04-12 | 西南交通大学 | Pulse power supply utilizing superconductive inductor and capacitor hybrid energy storage |
| CN105162352A (en) * | 2015-10-27 | 2015-12-16 | 重庆大学 | Inductive loaded bipolar steep pulse current source and steep pulse current control method |
| CN105162352B (en) * | 2015-10-27 | 2018-03-13 | 重庆大学 | The bipolarity steep-sided pulse current source and steep-sided pulse current control method of inductive load |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20190203 |