CN202906783U - High-voltage energy storing and pulse igniting power supply powered by low-voltage direct current - Google Patents
High-voltage energy storing and pulse igniting power supply powered by low-voltage direct current Download PDFInfo
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- CN202906783U CN202906783U CN 201220580118 CN201220580118U CN202906783U CN 202906783 U CN202906783 U CN 202906783U CN 201220580118 CN201220580118 CN 201220580118 CN 201220580118 U CN201220580118 U CN 201220580118U CN 202906783 U CN202906783 U CN 202906783U
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Abstract
The utility model relates to a high-voltage energy storing and pulse igniting power supply powered by a low-voltage direct current. The high-voltage energy storing and pulse igniting power supply comprises a direct-current input power supply Vin, a polar capacitor C1, an oscillation boost circuit, a bridge-type rectification circuit and an energy storage capacitor C2. The bridge-type rectification circuit is composed of a transformer T1 and auxiliary components, a primary winding of the transformer T1 is connected to collectors of high-power triodes Q1 and Q2, emitters of the high-power triodes Q1 and Q2 are both connected with a signal ground, and the direct-current input power supply Vin is connected to a base of the high-power triode Q1 through a resistor R1, and connected to a base of the high-power triode Q2 through the resistor R1 and a resistor R2, forming an oscillation circuit; and an alternating-current high-voltage current output by a secondary winding of the transformer T1 is rectified by the bridge-type rectification circuit, such that a direct-current high-voltage current is generated for charging the energy storage capacitor C2. The power supply provided by the utility model can be used for charging an energy storage capacitor or an ignition capacitor, and is simple in size, light in weight and highly reliable.
Description
Technical field
The utility model relates to field of power supplies, particularly a kind of high-voltage energy storage of low-voltage DC supply and pulse firing power supply.
Background technology
The electromagnetic propulsion technology utilizes spaceborne solar cell as the energy, melts or ionizes working medium generation plasma by discharge and realize required power.Wherein pulsed plasma thruster (PPT) is to utilize pulsed discharge to melt solid propellant, produces plasma plume and forms thrust.Solid propellant polytetrafluoroethylene (Teflon) commonly used is to be a kind of good insulating material in engineering, for realize to propellant discharge, melt, must add between sparking electrode that higher voltage is to realize reliable puncture, for example for diameter 1/4 inch miniature PPT with trigger electrode only, its puncture voltage is also wanted more than the 3000VDC.For discharge process is controlled in order, also need to design the pulse firing system in addition.Be generally low-voltage dc power supply because satellite sun can battery pack can provide, therefore need design high-voltage energy storage and the pulse-triggered priming supply system of low-voltage DC supply.At present the DC-DC boosted switch power supply ubiquity commonly used scope of boosting is lower on the engineering, and under the input voltage below the 36VDC, output is difficult to surpass 1000VDC.Therefore, usually adopt in ground experiment that industrial alternating current boosts, rectification, filtering finish the charging to energy storage capacitor.Aspect IGNITION CONTROL, need equally the design booster circuit that ignition capacitor is charged, and the design sequential control circuit is controlled ignition process, high pressure disturbs the circuit based on the low-voltage electrical apparatus design and impact is larger but trigger, therefore normally the charging of igniting electric capacity is controlled, realization is to the control of trigger switch, and this electric capacity that just requires to light a fire wants fast to the response of charging.External research approach has the same set of booster system of employing simultaneously storage capacitor and igniting electric capacity to be charged, by adjusting the resistance value of igniting charge circuit, (τ=RC) is greater than the charge constant of storage capacitor to make charge constant, before igniting electric capacity reaches trigger voltage, guarantee that storage capacitor satisfies the puncture voltage requirement like this.And in fact, trigger voltage may be below or above tank voltage (depending on the design of trigger electrode), therefore this charge mode underaction.
The utility model content
The purpose of this utility model is to provide a kind of and can be energy storage capacitor or ignition capacitor charging, and the high-voltage energy storage of the low-voltage DC supply that volume is little, lightweight, reliability is high and pulse firing power supply.
Realize that technical solution of the present utility model is: a kind of high-voltage energy storage of low-voltage DC supply and pulse firing power supply comprise direct-current input power supplying Vin, polar capacitor C1, oscillation step-up circuit, bridge rectifier and capacitor C2; Described oscillation step-up circuit comprises transformer T1, large power triode Q1, large power triode Q2, resistance R 1, resistance R 2, diode D1, diode D2, described transformer T1 comprises armature winding, feedback winding, secondary winding, wherein armature winding comprises the 1st exit, the 3rd exit, and center the 2nd exit of drawing, the feedback winding comprises the 4th exit, the 5th exit, and secondary winding comprises the 6th exit, the 7th exit; Described bridge rectifier is comprised of four high-voltage rectifying silicon particles, is respectively high-voltage rectifying silicon particle D3, high-voltage rectifying silicon particle D4, high-voltage rectifying silicon particle D5 and high-voltage rectifying silicon particle D6;
The anodal direct-current input power supplying Vin that connects of described polar capacitor C1, negative pole connects signal ground, and protection system is avoided being subject to input power and is impacted; Described the 2nd exit is connected with the positive pole of direct-current input power supplying Vin, the 1st exit is connected on the collector electrode of large power triode Q1, the 3rd exit is connected on the collector electrode of large power triode Q2, and the emitter of large power triode Q1 and large power triode Q2 connects signal ground altogether; The 5th exit is connected on the large power triode Q1 base stage, and the 4th exit is connected on the base stage of large power triode Q2 by resistance R 2;
Described direct-current input power supplying Vin is connected on the base stage of large power triode Q1 by resistance R 1, and direct-current input power supplying Vin also is connected on the base stage of large power triode Q2 by resistance R 1 and the resistance R 2 of connecting with resistance R 1; The positive pole of diode D1 is connected to the emitter of large power triode Q1, the negative pole of diode D1 is connected to the base stage of large power triode Q1, the positive pole of diode D2 is connected to the emitter of large power triode Q2, the negative pole of diode D2 is connected to the base stage of large power triode Q2, and diode D1, diode D2 play the contactor effect;
The positive pole of described high-voltage rectifying silicon particle D3 is connected to the 6th exit, the positive pole of high-voltage rectifying silicon particle D4 connects the 7th exit, the negative pole of high-voltage rectifying silicon particle D3 and high-voltage rectifying silicon particle D4 is connected to the high-pressure side of capacitor C2 altogether, the negative pole of high-voltage rectifying silicon particle D5 is connected with the positive pole of high-voltage rectifying silicon particle D3, the negative pole of high-voltage rectifying silicon particle D6 is connected with the positive pole of high-voltage rectifying silicon particle D4, and the positive pole of high-voltage rectifying silicon particle D5 and high-voltage rectifying silicon particle D6 connects power supply ground altogether.
The voltage range of described direct-current input power supplying Vin is 3VDC ~ 12VDC; Capacitor C2 is energy storage capacitor or ignition capacitor; Large power triode Q1 and large power triode Q2 are NPN type pliotron 2N3055; The armature winding of transformer T1 and the turn ratio of secondary winding can be adjusted; The value of resistance R 2 and input voltage vin can be adjusted; The charging of described ignition capacitor and triggering realize by direct-current input power supplying Vin end design timing switch circuit.
The utility model compared with prior art, its remarkable advantage:
(1) by the isolation of transformer low-pressure section and high-pressure section are isolated, high voltage source does not affect the work of low-pressure section on the charging and discharging of electric capacity;
(2) direct current signal is converted to high frequency ac signal after, design of transformer require is reduced, the power-supply system volume of formation is little, lightweight, reliability is high;
(3) energy storage capacitor and ignition capacitor are charged respectively, guarantee that storage capacitor keeps stable operating voltage, by to the control of igniting input voltage switch, realize controlled, the automatic discharging of igniting;
(4) the construction system circuit structure is simple, and is low to the primary source requirement, can the meeting spatial application demand.
Description of drawings
Fig. 1 is the high-voltage energy storage of the utility model low-voltage DC supply and the circuit theory diagrams of pulse firing power supply.
Fig. 2 is the high-voltage energy storage of the utility model low-voltage DC supply and ignition capacitor discharge voltage test result figure when given input of pulse firing power supply.
Fig. 3 is the high-voltage energy storage of the utility model low-voltage DC supply and the energy storage capacitor pulse discharging voltage test result figure of pulse firing power supply.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
A kind of high-voltage energy storage of low-voltage DC supply and pulse firing power supply comprise direct-current input power supplying Vin, polar capacitor C1, oscillation step-up circuit, bridge rectifier and capacitor C2; Described oscillation step-up circuit comprises transformer T1, large power triode Q1, large power triode Q2, resistance R 1, resistance R 2, diode D1, diode D2, described transformer T1 comprises armature winding, feedback winding, secondary winding, wherein armature winding comprises the 1st exit, the 3rd exit, and center the 2nd exit of drawing, the feedback winding comprises the 4th exit, the 5th exit, and secondary winding comprises the 6th exit, the 7th exit; Described bridge rectifier is comprised of four high-voltage rectifying silicon particles, is respectively high-voltage rectifying silicon particle D3, high-voltage rectifying silicon particle D4, high-voltage rectifying silicon particle D5 and high-voltage rectifying silicon particle D6;
The anodal direct-current input power supplying Vin that connects of described polar capacitor C1, negative pole connects signal ground, and protection system is avoided being subject to input power and is impacted; Described the 2nd exit is connected with the positive pole of direct-current input power supplying Vin, the 1st exit is connected on the collector electrode of large power triode Q1, the 3rd exit is connected on the collector electrode of large power triode Q2, and the emitter of large power triode Q1 and large power triode Q2 connects signal ground altogether; The 5th exit is connected on the large power triode Q1 base stage, and the 4th exit is connected on the base stage of large power triode Q2 by resistance R 2;
Described direct-current input power supplying Vin is connected on the base stage of large power triode Q1 by resistance R 1, and direct-current input power supplying Vin also is connected on the base stage of large power triode Q2 by resistance R 1 and the resistance R 2 of connecting with resistance R 1; The positive pole of diode D1 is connected to the emitter of large power triode Q1, the negative pole of diode D1 is connected to the base stage of large power triode Q1, the positive pole of diode D2 is connected to the emitter of large power triode Q2, the negative pole of diode D2 is connected to the base stage of large power triode Q2, and diode D1, diode D2 play the contactor effect;
The positive pole of described high-voltage rectifying silicon particle D3 is connected to the 6th exit, the positive pole of high-voltage rectifying silicon particle D4 connects the 7th exit, the negative pole of high-voltage rectifying silicon particle D3 and high-voltage rectifying silicon particle D4 is connected to the high-pressure side of capacitor C2 altogether, the negative pole of high-voltage rectifying silicon particle D5 is connected with the positive pole of high-voltage rectifying silicon particle D3, the negative pole of high-voltage rectifying silicon particle D6 is connected with the positive pole of high-voltage rectifying silicon particle D4, and the positive pole of high-voltage rectifying silicon particle D5 and high-voltage rectifying silicon particle D6 connects power supply ground altogether.
The voltage range of described direct-current input power supplying Vin is 3VDC ~ 12VDC; Capacitor C2 is energy storage capacitor or ignition capacitor; Large power triode Q1 and large power triode Q2 are NPN type pliotron 2N3055; The armature winding of transformer T1 and the turn ratio of secondary winding can be adjusted; The value of resistance R 2 and input voltage vin can be adjusted; The charging of described ignition capacitor and triggering realize by direct-current input power supplying Vin end design timing switch circuit.
Embodiment one
By shown in Figure 1, polar capacitor C1 of series connection between direct-current input power supplying Vin and signal ground, its positive pole meets direct-current input power supplying Vin, and negative pole connects signal ground, plays protection system and avoids the input power impact.Anodal the 2nd exit that is connected on the one hand the armature winding of transformer T1 of direct-current input power supplying Vin, the 1st exit of armature winding and the 3rd exit are connected respectively on the collector electrode of large power triode Q1 and large power triode Q2, and the emitter of large power triode Q1 and large power triode Q2 is signal ground altogether.Direct-current input power supplying Vin is connected respectively on the base stage of large power triode Q1 and large power triode Q2 by series connection divider resistance R1 and resistance R 2 on the other hand, for vibration provides suitable voltage, is convenient to the circuit starting of oscillation.Diode D1 is connected positive pole and negative pole and is connected respectively emitter and the base stage of large power triode Q1 and large power triode Q2 with diode D2, play the contactor effect.Feedback winding the 5th exit and the 4th exit of transformer T1 are connected respectively on the base stage of large power triode Q1 and large power triode Q2, be respectively large power triode Q1 and large power triode Q2 after starting of oscillation begins base input signal alternately is provided.Rising edge at direct-current input power supplying Vin, malleation at first is added in the base stage of large power triode Q2, make large power triode Q2 conducting, large power triode Q1 cut-off, large power triode D2 cut-off, diode D1 conducting, electric current is through the 5th exit of resistance R 2, large power triode Q2, diode D1, transformer T1, the 4th exit forms the loop, and produces positive voltage at the collector electrode of large power triode Q2.The 5th exit that feeds back winding as transformer T1 is timing, large power triode Q1 and diode D2 conducting, large power triode Q2 and diode D1 cut-off, electric current is by the 5th exit of transformer T1, and the 4th exit of large power triode Q1, diode D2, resistance R 2, transformer T1 consists of the loop.Like this under the effect of the 4th exit of the transformer T1 of alternation feedback winding and the 5th exit, large power triode Q2, diode D1 and large power triode Q1, diode D2 will be in turn conducting state, wherein will be operated in saturation condition during any one conducting, and another will be in cut-off state.Therefore, at the alternating voltage that the 1st exit and the 3rd exit of the armature winding of transformer T1 will produce the 3kHz ~ 10kHz of vibration, its frequency is relevant with the resistance of direct-current input power supplying Vin and divider resistance R1 and resistance R 2.The magnetic flux that this alternating voltage will change at the magnetic core of transformer T1, and then in transformer T1 secondary winding and feedback winding, produce induced potential.Turn ratio at the armature winding of the output voltage of the 6th exit of the secondary winding of transformer T1 and the 7th exit and T1, secondary winding is relevant, when the number of turn of secondary winding during greater than the armature winding number of turn, produces ac high-voltage output.The ac high-voltage of the 6th exit of transformer T1 secondary winding and the output of the 7th exit, form bridge rectifier through high-voltage rectifying silicon particle D3, high-voltage rectifying silicon particle D4, high-voltage rectifying silicon particle D5 and four high-voltage rectifying silicon of high-voltage rectifying silicon particle D6 particle, form high direct voltage output.The positive pole of high-voltage rectifying silicon particle D3 and high-voltage rectifying silicon particle D4 connects respectively transformer T1 secondary winding the 6th exit and the 7th exit, and negative pole connects the high-pressure side of capacitor C2.High-voltage rectifying silicon particle D5 is connected negative pole and is connected positive pole with high-voltage rectifying silicon particle D4 with high-voltage rectifying silicon particle D3 respectively and is connected with high-voltage rectifying silicon particle D6, corresponding high-voltage rectifying silicon particle D5 and the positive pole of high-voltage rectifying silicon particle D6 connect power supply ground.When the 6th exit of transformer T1 secondary winding is malleation, when the 7th exit was negative pressure, electric current was by the 6th exit of transformer T1 secondary winding, high-voltage rectifying silicon particle D3, capacitor C2, high-voltage rectifying silicon particle D5, the 7th exit of the secondary winding of transformer T1 forms the loop; When secondary winding the 7th exit of transformer T1 is malleation, when the 6th exit was negative pressure, electric current was by the 7th exit of transformer T1 secondary winding, high-voltage rectifying silicon particle D4, capacitor C2, high-voltage rectifying silicon particle D6, the 6th exit of transformer T1 secondary winding forms the loop.The output that guarantees the positive-negative half-cycle of ac high-voltage can both to capacitor C2 charging, improve charge efficiency.
Transformer T1 also plays isolation low pressure and high-tension circuit except boosting, in addition, the signal ground of direct-current input power supplying Vin requires to separate with the power supply ground of high voltage direct current output, avoids high-pressure section to the interference of low-pressure section.Discharge load is to melt the plasma that propellant forms under normal circumstances, and load is not open circuit when discharging.Because the output voltage of transformer T1 is higher, the isolation on foregoing circuit, for preventing that the self breakdown effect reaches the interference to primary circuit, the rectification silicon particle of high-tension transformer output being drawn rear and back is partially enclosed in a modular cartridge, can insulate and thermolysis to play by filling silicon oil as required.During foregoing circuit work, large power triode Q1 and large power triode Q2 high frequency conducting and cut-off, larger as its output current of power source, overheated for preventing large power triode Q1 and large power triode Q2, it is separated from circuit, be arranged separately on two cooling stands, can increase radiated rib in case of necessity.
Embodiment two
Fig. 2 is for adopting the input of time relay control direct-current input power supplying Vin, and the direct-flow input signal that collects triggers discharge signal with igniting, and the input direct voltage amplitude is 7VDC, the break-make frequency is 1Hz, wherein turn-on time 0.1s, opening time 0.9s, ignition capacitor C2 capacity is 10000pf; The load of ignition capacitor C2 is the gap of miniature PPT ignitor 2mm.Can see gap breakdown voltage 1200VDC, ignition capacitor C2 discharges and recharges the time less than 0.1s, so this system's peak fire frequency can reach 10Hz.
Embodiment three
Fig. 3 is spark rate when being 0.5Hz, and the energy storage capacitor C2 of 1 μ f is during to miniature PPT discharge, the change in voltage rule on the energy storage capacitor C2.Can see, energy storage capacitor C2 can reliably discharge under the effect that igniting triggers continuously, and the charging voltage on capacitor under this kind working condition is 2400VDC.
Claims (4)
1. the high-voltage energy storage of a low-voltage DC supply and pulse firing power supply is characterized in that: comprise direct-current input power supplying Vin, polar capacitor C1, oscillation step-up circuit, bridge rectifier and capacitor C2; Described oscillation step-up circuit comprises transformer T1, large power triode Q1, large power triode Q2, resistance R 1, resistance R 2, diode D1, diode D2, described transformer T1 comprises armature winding, feedback winding, secondary winding, wherein armature winding comprises the 1st exit, the 3rd exit, and center the 2nd exit of drawing, the feedback winding comprises the 4th exit, the 5th exit, and secondary winding comprises the 6th exit, the 7th exit; Described bridge rectifier is comprised of four high-voltage rectifying silicon particles, is respectively high-voltage rectifying silicon particle D3, high-voltage rectifying silicon particle D4, high-voltage rectifying silicon particle D5 and high-voltage rectifying silicon particle D6;
The anodal direct-current input power supplying Vin that connects of described polar capacitor C1, negative pole connects signal ground, and protection system is avoided being subject to input power and is impacted; Described the 2nd exit is connected with the positive pole of direct-current input power supplying Vin, the 1st exit is connected on the collector electrode of large power triode Q1, the 3rd exit is connected on the collector electrode of large power triode Q2, and the emitter of large power triode Q1 and large power triode Q2 connects signal ground altogether; The 5th exit is connected on the large power triode Q1 base stage, and the 4th exit is connected on the base stage of large power triode Q2 by resistance R 2;
Described direct-current input power supplying Vin is connected on the base stage of large power triode Q1 by resistance R 1, and direct-current input power supplying Vin also is connected on the base stage of large power triode Q2 by resistance R 1 and the resistance R 2 of connecting with resistance R 1; The positive pole of diode D1 is connected to the emitter of large power triode Q1, the negative pole of diode D1 is connected to the base stage of large power triode Q1, the positive pole of diode D2 is connected to the emitter of large power triode Q2, the negative pole of diode D2 is connected to the base stage of large power triode Q2, and diode D1, diode D2 play the contactor effect;
The positive pole of described high-voltage rectifying silicon particle D3 is connected to the 6th exit, the positive pole of high-voltage rectifying silicon particle D4 connects the 7th exit, the negative pole of high-voltage rectifying silicon particle D3 and high-voltage rectifying silicon particle D4 is connected to the high-pressure side of capacitor C2 altogether, the negative pole of high-voltage rectifying silicon particle D5 is connected with the positive pole of high-voltage rectifying silicon particle D3, the negative pole of high-voltage rectifying silicon particle D6 is connected with the positive pole of high-voltage rectifying silicon particle D4, and the positive pole of high-voltage rectifying silicon particle D5 and high-voltage rectifying silicon particle D6 connects power supply ground altogether.
2. the high-voltage energy storage of low-voltage DC supply according to claim 1 and pulse firing power supply, it is characterized in that: the voltage range of described direct-current input power supplying Vin is 3VDC ~ 12VDC.
3. the high-voltage energy storage of low-voltage DC supply according to claim 1 and pulse firing power supply, it is characterized in that: described capacitor C2 is energy storage capacitor or ignition capacitor.
4. the high-voltage energy storage of low-voltage DC supply according to claim 1 and pulse firing power supply, it is characterized in that: described large power triode Q1 and large power triode Q2 are NPN type pliotron 2N3055.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220580118 CN202906783U (en) | 2012-11-06 | 2012-11-06 | High-voltage energy storing and pulse igniting power supply powered by low-voltage direct current |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220580118 CN202906783U (en) | 2012-11-06 | 2012-11-06 | High-voltage energy storing and pulse igniting power supply powered by low-voltage direct current |
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| CN202906783U true CN202906783U (en) | 2013-04-24 |
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| CN 201220580118 Expired - Fee Related CN202906783U (en) | 2012-11-06 | 2012-11-06 | High-voltage energy storing and pulse igniting power supply powered by low-voltage direct current |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106230304A (en) * | 2016-09-20 | 2016-12-14 | 中国工程物理研究院流体物理研究所 | A kind of high voltage power supply for may move environment and production method |
-
2012
- 2012-11-06 CN CN 201220580118 patent/CN202906783U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106230304A (en) * | 2016-09-20 | 2016-12-14 | 中国工程物理研究院流体物理研究所 | A kind of high voltage power supply for may move environment and production method |
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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 |
Granted publication date: 20130424 Termination date: 20141106 |
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| EXPY | Termination of patent right or utility model |