CN103670871B - A kind of pulse boostering circuit and step-up method - Google Patents
A kind of pulse boostering circuit and step-up method Download PDFInfo
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Abstract
本发明创造提供一种脉冲升压电路，二极管D、开关S和电感L串联后接电嘴，电嘴的另一端接地；储能电容C1和电容C2并联且均接地；储能电容C1的另一端接于二极管D和开关S之间；电容C2的另一端接于开关S和电感L之间。克服传统电容放电式发动机点火系统随着使用时间的增长，电嘴点火电压升高，导致点火装置释放的电能不能产生电火花的问题。本发明创造在放电电路中增加一个电容，可以升高释放给电嘴的电压，可以有效解决电嘴因为电腐蚀而不产生点火花问题，从而提高点火系统点火可靠性。
The invention provides a pulse boosting circuit. The diode D, the switch S and the inductor L are connected in series to the electric mouth, and the other end of the electric mouth is grounded; the energy storage capacitor C1 and the capacitor C2 are connected in parallel and both are grounded; the other end of the energy storage capacitor C1 One end is connected between the diode D and the switch S; the other end of the capacitor C2 is connected between the switch S and the inductor L. It overcomes the problem that the ignition voltage of the nozzle increases with the increase of the use time of the traditional capacitor discharge engine ignition system, which leads to the problem that the electric energy released by the ignition device cannot generate electric sparks. The invention adds a capacitor in the discharge circuit, which can increase the voltage released to the electric nozzle, and can effectively solve the problem that the electric nozzle does not generate sparks due to electric corrosion, thereby improving the ignition reliability of the ignition system.
Description
技术领域technical field
本发明创造涉及电容放电升压的电路，特别是一种脉冲升压电路及升压方法。The invention creates a circuit related to capacitor discharge boosting, in particular a pulse boosting circuit and a boosting method.
背景技术Background technique
电容放电式发动机点火系统，其电路原理是将飞机低压电转变为高压电，首先储存在储能电容器中，当储存的电压达到一定值时，通过开关将电能释放给电嘴，电嘴产生一个电火花，点火系统反复充放电，在电嘴上产生一系列电火花。Capacitive discharge engine ignition system, its circuit principle is to convert the low-voltage electricity of the aircraft into high-voltage electricity, which is first stored in the energy storage capacitor. When the stored voltage reaches a certain value, the electric energy is released to the electric nozzle through the switch, and the electric nozzle generates An electric spark, the ignition system is repeatedly charged and discharged, and a series of electric sparks are generated on the nozzle.
传统电容放电式发动机点火系统的放电电路中点火装置变换器将飞机低压电升压后，经过二极管将电能储存在储能电容中，当储能电容储存的电压达到额定值时，开关接通，通过电感释放给电嘴，电嘴形成一个火花。但是，电嘴在产生电火花过程中，其发火端面会不断发生电腐蚀，电嘴的发火电压逐步升高，最终点火装置输出的电压不能导致电嘴产生电火花，降低了可靠性。In the discharge circuit of the traditional capacitor discharge engine ignition system, the ignition device converter boosts the low-voltage voltage of the aircraft, and then stores the electric energy in the energy storage capacitor through the diode. When the voltage stored in the energy storage capacitor reaches the rated value, the switch is turned on. Released to the nozzle through inductance, the nozzle forms a spark. However, during the electric spark generation process of the electric nozzle, the ignition end surface of the electric nozzle will continuously undergo electric corrosion, and the ignition voltage of the electric nozzle will gradually increase. Finally, the output voltage of the ignition device cannot cause the electric nozzle to generate electric sparks, which reduces reliability.
发明内容Contents of the invention
本发明创造要解决的问题是提供一种脉冲升压电路及升压方法，应用该电路可以升高释放给电嘴的电压，可以有效解决电嘴因为电腐蚀而不产生点火花问题，从而提高点火系统点火可靠性。The problem to be solved by the invention is to provide a pulse boosting circuit and a boosting method, the application of this circuit can increase the voltage released to the electric nozzle, which can effectively solve the problem that the electric nozzle does not generate sparks due to electric corrosion, thereby improving Ignition system ignition reliability.
为解决上述技术问题，本发明创造采用的技术方案是：一种脉冲升压电路，包括：In order to solve the above technical problems, the technical solution adopted by the present invention is: a pulse booster circuit, comprising:
二极管D，用于将点火装置产生的高压进行整流；Diode D, used to rectify the high voltage generated by the ignition device;
储能电容C1，用于将二极管D整流后的电能储存起来；The energy storage capacitor C1 is used to store the electric energy rectified by the diode D;
电感L，用于与储能电容C1形成电感电容低频振荡回路；The inductance L is used to form an inductance-capacitance low-frequency oscillation circuit with the energy storage capacitor C1;
电容C2，用于与电感L形成电感电容高频振荡回路；Capacitor C2 is used to form an inductance-capacitance high-frequency oscillation circuit with the inductance L;
开关S，用于导通储能电容C1和电感L及电嘴电路；The switch S is used to conduct the energy storage capacitor C1, the inductance L and the nozzle circuit;
二极管D、开关S和电感L串联后接电嘴，电嘴的另一端接地；储能电容C1和电容C2并联且均接地；储能电容C1的另一端接于二极管D和开关S之间；电容C2的另一端接于开关S和电感L之间。Diode D, switch S and inductance L are connected in series to the nozzle, and the other end of the nozzle is grounded; the energy storage capacitor C1 and capacitor C2 are connected in parallel and both are grounded; the other end of the energy storage capacitor C1 is connected between the diode D and the switch S; The other end of the capacitor C2 is connected between the switch S and the inductor L.
进一步，储能电容C1的容值和电容C2的容值比大于20:1。Further, the ratio of the capacitance of the energy storage capacitor C1 to the capacitance of the capacitor C2 is greater than 20:1.
利用上述脉冲升压电路升压的方法如下储能电容C1充电电压达到额定值并且开关S接通后，储能电容C1、开关S、电感L和电嘴形成电感电容低频振荡回路；开关S接通后储能电容C1首先迅速给电容C2充满电，电容C2、电感L和电嘴形成电感电容高频振荡回路；电感电容低频振荡回路与电感电容高频振荡回路叠加形成高于储能电容C1导通时的输出电压。The method of using the above-mentioned pulse booster circuit to boost the voltage is as follows: After the charging voltage of the energy storage capacitor C1 reaches the rated value and the switch S is turned on, the energy storage capacitor C1, the switch S, the inductor L and the nozzle form an inductance-capacitance low-frequency oscillation circuit; the switch S is connected After the connection, the energy storage capacitor C1 first quickly fully charges the capacitor C2, and the capacitor C2, the inductor L and the nozzle form an inductance-capacitor high-frequency oscillation circuit; the inductance-capacitor low-frequency oscillation circuit and the inductance-capacitor high-frequency oscillation circuit are superimposed to form a higher than the energy storage capacitor C1 output voltage at turn-on.
本发明创造具有的优点和积极效果是：克服传统电容放电式发动机点火系统随着使用时间的增长，电嘴点火电压升高，导致点火装置释放的电能不能产生电火花的问题。本发明创造在放电电路中增加一个电容，可以升高释放给电嘴的电压，可以有效解决电嘴因为电腐蚀而不产生点火花问题，从而提高点火系统点火可靠性。The invention has the advantages and positive effects: it overcomes the problem that the ignition voltage of the electric nozzle increases with the increase of the use time of the traditional capacitor discharge engine ignition system, which leads to the problem that the electric energy released by the ignition device cannot generate electric sparks. The invention adds a capacitor in the discharge circuit, which can increase the voltage released to the electric nozzle, and can effectively solve the problem that the electric nozzle does not generate sparks due to electric corrosion, thereby improving the ignition reliability of the ignition system.
附图说明Description of drawings
图1是本发明创造中脉冲升压电路的电路原理图。Fig. 1 is a schematic circuit diagram of a pulse booster circuit in the present invention.
具体实施方式Detailed ways
结合附图和具体实施例对本发明创造的技术方案做详细的说明。The technical solution created by the present invention is described in detail in conjunction with the accompanying drawings and specific embodiments.
一种脉冲升压电路，包括：A pulse booster circuit, comprising:
二极管D，用于将点火装置产生的高压进行整流；Diode D, used to rectify the high voltage generated by the ignition device;
储能电容C1，用于将二极管D整流后的电能储存起来；The energy storage capacitor C1 is used to store the electric energy rectified by the diode D;
电感L，用于与储能电容C1形成电感电容低频振荡回路；The inductance L is used to form an inductance-capacitance low-frequency oscillation circuit with the energy storage capacitor C1;
电容C2，用于与电感L形成电感电容高频振荡回路；Capacitor C2 is used to form an inductance-capacitance high-frequency oscillation circuit with the inductance L;
开关S，用于导通储能电容C1和电感L及电嘴电路；The switch S is used to conduct the energy storage capacitor C1, the inductance L and the nozzle circuit;
二极管D、开关S和电感L串联后接电嘴，电嘴的另一端接地；储能电容C1和电容C2并联且均接地；储能电容C1的另一端接于二极管D和开关S之间；电容C2的另一端接于开关S和电感L之间。Diode D, switch S and inductance L are connected in series to the nozzle, and the other end of the nozzle is grounded; the energy storage capacitor C1 and capacitor C2 are connected in parallel and both are grounded; the other end of the energy storage capacitor C1 is connected between the diode D and the switch S; The other end of the capacitor C2 is connected between the switch S and the inductor L.
其中，储能电容C1的容值是电容C2的容值的20倍。Wherein, the capacitance of the energy storage capacitor C1 is 20 times that of the capacitor C2.
利用上述脉冲升压电路升高释放给电嘴的电压的方法如下：储能电容C1充电电压达到额定值并且开关S接通后，储能电容C1、开关S、电感L和电嘴形成电感电容低频振荡回路；开关S接通后储能电容C1首先迅速给电容C2充满电，电容C2、电感L和电嘴形成电感电容高频振荡回路；电感电容低频振荡回路与电感电容高频振荡回路叠加形成高于储能电容C1导通时的输出电压。The method of using the above-mentioned pulse booster circuit to increase the voltage released to the electric nozzle is as follows: after the charging voltage of the energy storage capacitor C1 reaches the rated value and the switch S is turned on, the energy storage capacitor C1, the switch S, the inductor L and the electric nozzle form an inductance capacitance Low-frequency oscillation circuit; after the switch S is turned on, the energy storage capacitor C1 quickly fully charges the capacitor C2, and the capacitor C2, the inductor L and the nozzle form an inductance-capacitor high-frequency oscillation circuit; the inductance-capacitor low-frequency oscillation circuit and the inductance-capacitor high-frequency oscillation circuit are superimposed An output voltage higher than that when the energy storage capacitor C1 is turned on is formed.
以上对本发明创造的实施例进行了详细说明，但所述内容仅为本发明创造的较佳实施例，不能被认为用于限定本发明创造的实施范围。凡依本发明创造范围所作的均等变化与改进等，均应仍归属于本专利涵盖范围之内。The embodiments of the present invention have been described in detail above, but the content described is only a preferred embodiment of the present invention, and cannot be considered as limiting the implementation scope of the present invention. All equal changes and improvements made according to the creative scope of the present invention should still belong to the scope covered by this patent.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108011293A (en) * | 2017-12-16 | 2018-05-08 | 南京理工大学 | A kind of burst pulse infrared semiconductor laser radiating circuit |
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| ES2733533T3 (en) * | 2014-08-20 | 2019-11-29 | Agie Charmilles Sa | Procedure and device for shaping pulses for electroerosive machining |
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