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CN101510734B - Isolation pulse power source with adjustable polar and amplitude value - Google Patents

Isolation pulse power source with adjustable polar and amplitude value Download PDF

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Publication number
CN101510734B
CN101510734B CN2009100682832A CN200910068283A CN101510734B CN 101510734 B CN101510734 B CN 101510734B CN 2009100682832 A CN2009100682832 A CN 2009100682832A CN 200910068283 A CN200910068283 A CN 200910068283A CN 101510734 B CN101510734 B CN 101510734B
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resistor
field effect
flip
diode
gate field
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CN101510734A (en
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李刚
林凌
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Tianjin University
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Tianjin University
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Abstract

本发明公开一种极性和幅值可调的隔离脉冲电源，包括有用于隔离和传输能量和控制信息的隔离变压器，还设置有分别与隔离变压器的输出端相连，用于全波整流的第一二极管和第二二极管；连接在第一二极管和第二二极管之间，用于电源储能和滤波的电容；分别与隔离变压器的输出端相连，用于传递触发信号的第一电阻和第二电阻；以及分别与第一二极管和第二二极管的负极、电容的另一端、第一电阻和第二电阻的另一端相连，用于输出并控制脉冲极性与幅值的双稳态触发器。所述的双稳态触发器通过缓冲放大器和连接负载。本发明的极性和幅值可调的隔离脉冲电源，具有结构简单、成本低廉、效率高、体积小、无需调试等优点。

Figure 200910068283

The invention discloses an isolated pulse power supply with adjustable polarity and amplitude, which includes an isolation transformer for isolating and transmitting energy and control information, and is also provided with a first isolation transformer connected to the output terminals of the isolation transformer for full-wave rectification. A diode and a second diode; capacitors connected between the first diode and the second diode for energy storage and filtering of the power supply; respectively connected to the output terminals of the isolation transformer for transmitting the trigger The first resistor and the second resistor of the signal; and are respectively connected to the cathode of the first diode and the second diode, the other end of the capacitor, the other end of the first resistor and the second resistor, for outputting and controlling the pulse Polarity and amplitude flip-flop. The flip-flop is passed through the buffer amplifier and connected to the load. The isolated pulse power supply with adjustable polarity and amplitude of the present invention has the advantages of simple structure, low cost, high efficiency, small size, and no need for debugging.

Figure 200910068283

Description

The isolation pulse power source of polarity and adjustable amplitude value
Technical field
The present invention relates to a kind of pulse power, particularly relate to the isolation pulse power source of a kind of polarity and adjustable amplitude value.
Background technology
Usually, when making the isolation pulse power source of polarity and adjustable amplitude value, need be transferred to interchange secondary and rectification, filtering by transformer, by communication instruction is transferred to secondary microcontroller then, again by the polarity and the amplitude of microprocessor controls output pulse.This mode is very complicated undoubtedly.Simple slightly any is to be transferred to interchange secondary and rectification, filtering by transformer, then the polarity by the relay control output end.A kind of mode in back still needs a control channel, and need stronger energy to remove control relay, particularly secondary and secondary when certain distance being arranged in the space, and can not there be circuit to connect, when controlling the pulse power of implanted outside human body or animal body, this dual mode all is difficult to realize the isolation pulse power source of polarity and adjustable amplitude value.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of when having certain distance in the space, also can adjust the isolation pulse power source of the polarity and the adjustable amplitude value of polarity and amplitude.
The technical solution adopted in the present invention is: the isolation pulse power source of a kind of polarity and adjustable amplitude value, include the isolating transformer that is used to isolate with transmission of power and control information, also be provided with respectively and link to each other, be used for first diode and second diode of full-wave rectification with the output of isolating transformer; Be connected between first diode and second diode, be used for the electric capacity of power supply energy storage and filtering; Link to each other with the output of isolating transformer respectively, be used to transmit first resistance and second resistance of triggering signal; And link to each other with the negative pole of first diode and second diode, the other end, first resistance and the other end of second resistance of electric capacity respectively, be used to export and the flip and flop generator of control impuls polarity and amplitude.
Described flip and flop generator by buffer amplifier be connected load.
Described flip and flop generator includes the 3rd, the 4th triode, the the 5th to the 8th resistance, one end of described the 7th resistance connects the negative pole of first diode, the other end connects an end of first resistance and the 6th resistance and the collector electrode of the 3rd triode respectively, one end of described the 8th resistance connects the negative pole of second diode, the other end connects an end of second resistance and the 5th resistance and the collector electrode of the 4th triode respectively, the other end of described the 5th resistance connects the base stage of the 3rd triode, the other end of the 6th resistance connects the base stage of the 4th triode, the grounded emitter of described the 3rd triode and the 4th triode.
In the described flip and flop generator, also can be by first, second triode and the 3rd, the 4th biasing base resistance is replaced described the 7th resistance and the 8th resistance, wherein, first, the emitter of second triode is corresponding respectively to connect first, the negative pole of second diode, first, the collector electrode of second triode is corresponding respectively to connect the 3rd, the collector electrode of the 4th triode, the 3rd biasing base resistance is connected between the collector electrode of the base stage of first triode and second triode, and the 4th biasing base resistance is connected between the collector electrode of the base stage of second triode and first triode.
Described flip and flop generator is the bridge-type symmetric double steady state trigger that is made of first to fourth isolated-gate field effect transistor (IGFET).
The bridge-type buffer amplifier that also adopts the 5th to the 8th isolated-gate field effect transistor (IGFET) to constitute is used to isolate flip and flop generator and load.
Described flip and flop generator includes first inverter and second inverter, wherein, corresponding respectively first resistance and second resistance of being connected of the positive terminal of first inverter and second inverter, the end of oppisite phase of first inverter and second inverter constitutes output jointly, the positive terminal of first inverter connects the end of oppisite phase of second inverter, and the positive terminal of second inverter connects the end of oppisite phase of first inverter.
The output of described formation flip and flop generator is corresponding respectively to connect load by the 3rd inverter, the 4th inverter.
The isolation pulse power source of polarity of the present invention and adjustable amplitude value, have simple in structure, with low cost, efficient is high, volume is little, need not advantages such as debugging.
Description of drawings
Fig. 1 is the schematic diagram of the isolation pulse power source of polarity of the present invention and adjustable amplitude value;
Fig. 2 (a) is input pulse figure of the present invention;
Fig. 2 (b) is that the present invention exports pulse diagram;
Fig. 3 is the schematic diagram of isolation pulse power source second embodiment of polarity of the present invention and adjustable amplitude value;
Fig. 4 is the schematic diagram that provides first embodiment of bistable trigger among the present invention;
Fig. 5 is the schematic diagram that provides second embodiment of bistable trigger among the present invention;
Fig. 6 is the schematic diagram that provides the 3rd embodiment of bistable trigger among the present invention;
Fig. 7 is the schematic diagram that provides the 4th embodiment of bistable trigger among the present invention;
Fig. 8 is the schematic diagram that provides the 5th embodiment of bistable trigger among the present invention;
Fig. 9 is the schematic diagram that provides the 6th embodiment of bistable trigger among the present invention.
Embodiment
Make a detailed description below in conjunction with embodiment and accompanying drawing isolation pulse power source polarity of the present invention and adjustable amplitude value.
As shown in Figure 1, the isolation pulse power source of polarity of the present invention and adjustable amplitude value includes the isolating transformer B that is used to isolate with transmission of power and control information, also is provided with respectively to link to each other with the output of isolating transformer B, is used for the first diode D of full-wave rectification 1With the second diode D 2Be connected the first diode D 1With the second diode D 2Between, be used for the capacitor C of power supply energy storage and filtering; Output with isolating transformer B links to each other respectively, is used to transmit first resistance R of triggering signal 1With second resistance R 2; And respectively with the first diode D 1With the second diode D 2Negative pole, the other end of capacitor C, first resistance R 1With second resistance R 2The other end link to each other, be used to export and the flip and flop generator FF of control impuls polarity and amplitude 1
In circuit shown in Figure 1, at input V InDuring for the input pulse shown in Fig. 2 (a), the output V of circuit OutPulse shown in Fig. 2 (b), and its amplitude is directly proportional with the amplitude of input pulse.
Suppose as input V InDuring for first pulse wave group shown in Fig. 2 (a), first pulse of this pulse wave group is a positive polarity, therefore in the pulse of the polarity that secondary appearance indicates of transformer B, and the then first diode D1 conducting and charge as flip and flop generator FF to capacitor C 1Power supply, meanwhile, this pulse the very first time by first resistance R 1Be input to flip and flop generator FF 1S end, make flip and flop generator FF 1Q output output high level because the S end links together with the Q end, guaranteed flip and flop generator FF 1Stably keep Q output output high level (near the voltage on the capacitor C, and this voltage is directly proportional with the input pulse amplitude),
Figure GSB00000291551000031
The end output low level.Same because R end with
Figure GSB00000291551000032
End links together, though the anti-phase pulse of secondary appearance of isolating transformer B, flip and flop generator FF 1Upset can not appear.Have only after pulse wave group disappears, the charge consumption on the capacitor C totally, flip and flop generator FF 1Do not have power supply and Q with
Figure GSB00000291551000033
Hold equal no-output.When second pulse wave group arrived, because its first pulse still is a positive polarity, therefore, circuit repeated above-mentioned action.
When the 3rd pulse wave group arrives, because its first pulse is a negative polarity, because the symmetry of circuit is not difficult to analyze flip and flop generator FF 1Stably keep Q output output low level,
Figure GSB00000291551000034
End is exported high level, and is directly proportional with the amplitude of input pulse.
As shown in Figure 3, for fear of the influence of load, can connect buffer amplifier BF at the output of circuit to the circuit triggers reliability 1And BF 2, make described flip and flop generator FF 1By buffer amplifier BF 1And BF 2Connect load.
As shown in Figure 4, described flip and flop generator FF 1Include the 3rd, the 4th triode T 3, T 4, the 5th to the 8th resistance R 5, R 6, R 7And R 8, described the 7th resistance R 7An end connect the first diode D 1Negative pole, the other end connects first resistance R respectively 1With the 6th resistance R 6An end and the 3rd triode T 3Collector electrode, described the 8th resistance R 8An end connect the second diode D 2Negative pole, the other end connects second resistance R respectively 1With the 5th resistance R 5An end and the 4th triode T 4Collector electrode, described the 5th resistance R 5The other end connect the 3rd triode T 3Base stage, the 6th resistance R 6The other end connect the 4th triode T 4Base stage, described the 3rd triode T 3With the 4th triode T 4Grounded emitter.
At input V InDuring for the input pulse shown in Fig. 2 (a), the output V of circuit OutPulse shown in Fig. 2 (b), and its amplitude is directly proportional with the amplitude of input pulse.
Suppose as input V InDuring for first pulse wave group shown in Fig. 2 (a), first pulse of this pulse wave group is a positive polarity, therefore in the pulse of the polarity that secondary appearance indicates of isolating transformer B, and the then first diode D1 conducting and charge as flip and flop generator FF to capacitor C 1Power supply, meanwhile, this pulse the very first time by first resistance R 1Lifting the 3rd triode T 3Collector potential, and by the 5th resistance R 5Import the 4th triode T 4With its base potential of lifting.In contrast, the 3rd triode T 3Base stage and the 4th triode T 4Collector electrode but obtains is negative pulse, therefore, be charged to peak and before first negative pulse of pulse wave group arrives in capacitor C, the 3rd triode T 3With the 4th triode T 4Deng the flip and flop generator FF that constitutes 1Set up and maintained the 3rd triode T 3Current collection is high level very, the 4th triode T 4Current collection is the stable state of electronegative potential very.So the pulse that arrives later regardless of its polarity, all can not change the state of circuit, only by the first diode D 1With the second diode D 2Continuation is charged to capacitor C, continues the stable state output of holding circuit, disappear up to pulse wave group, the charge consumption on the capacitor C totally, flip and flop generator FF 1No longer include till the output.Circuit again will be by said process work after new pulse wave group arrives.
Can draw by top analysis: because the symmetry of circuit, the polarity of circuit output pulse is determined that by the polarity of first pulse of input pulse wave group the amplitude of pulse then is directly proportional with the amplitude of input pulse wave group.
As shown in Figure 5, for fan-out capability and the functional reliability that improves circuit, described flip and flop generator FF 1In, also can be by first, second triode T 1, T 2Reach the 3rd, the 4th biasing base resistance R 3, R 4Replace described the 7th resistance R 7With the 8th resistance R 8, wherein, first, second triode T 1, T 2Respectively corresponding first, second diode D that connects of emitter 1, D 2Negative pole, first, second triode T 1, T 2Respectively corresponding the 3rd, the 4th triode T that connects of collector electrode 3, T 4Collector electrode, the 3rd biasing base resistance R 3Be connected the first triode T 1The base stage and the second triode T 2Collector electrode between, the 4th biasing base resistance R 4Be connected the second triode T 2The base stage and the first triode T 1Collector electrode between.
As shown in Figure 6, described flip and flop generator FF 1Be by first to fourth isolated-gate field effect transistor (IGFET) G 1, G 2, G 3, G 4The bridge-type symmetric double steady state trigger that constitutes.
At input V InDuring for the input pulse shown in Fig. 2 (a), the output V of circuit OutPulse shown in Fig. 2 (b), and its amplitude is directly proportional with the amplitude of input pulse.
Suppose as input V InDuring for first pulse wave group shown in Fig. 2 (a), first pulse of this pulse wave group is a positive polarity, therefore in the pulse of the polarity that secondary appearance indicates of isolating transformer B, and the then first diode D1 conducting and charge as flip and flop generator FF to capacitor C 1Power supply, meanwhile, this pulse the very first time by first resistance R 1Lifting first and the 3rd isolated-gate field effect transistor (IGFET) G 1And G 3Grid, the second and the 4th isolated-gate field effect transistor (IGFET) G 2And G 4Drain potential.In contrast, the first and the 3rd isolated-gate field effect transistor (IGFET) G 1And G 3Drain electrode, the second and the 4th G 2And T 4Grid but obtains is negative pulse.Therefore, before capacitor C is charged to peak and first negative pulse arrival at pulse wave group, first to fourth isolated-gate field effect transistor (IGFET) G 1, G 2, G 3And G 4The 3rd isolated-gate field effect transistor (IGFET) G has been set up and maintained to the bridge-type symmetric double steady state trigger that constitutes 3Drain electrode is low level, the 4th isolated-gate field effect transistor (IGFET) G 4Drain electrode is the stable state of high potential.So the pulse that arrives later regardless of its polarity, all can not change the state of circuit, only by the first diode D 1With the second diode D 2Continuation is charged to capacitor C, continues the stable state output of holding circuit, disappear up to pulse wave group, the charge consumption on the capacitor C totally, flip and flop generator FF 1No longer include till the output.Circuit again will be by said process work after new pulse wave group arrives.
Can draw by top analysis: because the symmetry of circuit, the polarity of circuit output pulse is determined that by the polarity of first pulse of input pulse wave group the amplitude of pulse then is directly proportional with the amplitude of input pulse wave group.
As shown in Figure 7, for fan-out capability and the functional reliability that improves circuit, also can adopt the 5th to the 8th isolated-gate field effect transistor (IGFET) G 5, G 6, G 7, G 8The bridge-type buffer amplifier that constitutes is used to isolate flip and flop generator FF 1And load.
As shown in Figure 8, described flip and flop generator FF 1Include first inverter ic 1With second inverter ic 2, wherein, first inverter ic 1With second inverter ic 2Respectively corresponding first resistance R that connects of positive terminal 1With second resistance R, 2, the first inverter ics 1With second inverter ic 2End of oppisite phase constitute output jointly, first inverter ic 1Positive terminal connect second inverter ic 2End of oppisite phase, second inverter ic 2Positive terminal connect first inverter ic 1End of oppisite phase.
At input V InDuring for the input pulse shown in Fig. 2 (a), the output V of circuit OutPulse shown in Fig. 2 (b), and its amplitude is directly proportional with the amplitude of input pulse.
Suppose as input V InDuring for first pulse wave group shown in Fig. 2 (a), first pulse of this pulse wave group is a positive polarity, therefore in the pulse of the polarity that secondary appearance indicates of isolating transformer B, and the then first diode D1 conducting and charge as flip and flop generator FF to capacitor C 1Power supply, meanwhile, this pulse the very first time by first resistance R 1Lifting first inverter ic 1The input and second inverter ic 2Output.In contrast, first inverter ic 1The output and second inverter ic 2Input but obtains is negative pulse.Therefore, before capacitor C is charged to peak and first negative pulse arrival at pulse wave group, first inverter ic 1With second inverter ic 2First inverter ic has been set up and kept to the flip and flop generator that constitutes 1Output low level, second inverter ic 2The stable state of output high potential.So the pulse that arrives later regardless of its polarity, all can not change the state of circuit, only by first, second diode D 1And D 2Continuation is charged to capacitor C, continues the stable state output of holding circuit, disappear up to pulse wave group, the charge consumption on the capacitor C totally, flip and flop generator no longer includes till the output.Circuit again will be by said process work after new pulse wave group arrives.
Can draw by top analysis: because the symmetry of circuit, the polarity of circuit output pulse is determined that by the polarity of first pulse of input pulse wave group the amplitude of pulse then is directly proportional with the amplitude of input pulse wave group.
As shown in Figure 9, for fan-out capability and the functional reliability that improves circuit, also can be with described formation flip and flop generator FF 1Output respectively corresponding to the 3rd inverter ic 3, the 4th inverter ic 4Connect load.

Claims (8)

1.一种极性和幅值可调的隔离脉冲电源，包括有用于隔离和传输能量和控制信息的隔离变压器(B)，其特征在于，还设置有分别与隔离变压器(B)的输出端相连，用于全波整流的第一二极管(D1)和第二二极管(D2)；一端连接在第一二极管(D1)和第二二极管(D2)之间用于电源储能和滤波的电容(C)；一端分别与隔离变压器(B)的正负输出端相连的用于传递触发信号的第一电阻(R1)和第二电阻(R2)；以及分别与第一二极管(D1)和第二二极管(D2)的负极、电容(C)的另一端、第一电阻(R1)和第二电阻(R2)的另一端相连的用于输出脉冲并控制脉冲极性与幅值的双稳态触发器(FF1)，所述的双稳态触发器(FF1)的输出端(Vout)作为隔离脉冲电源的输出端，所述的隔离变压器(B)输出侧的中间抽头接地，所述的电容(C)的一端接第一二极管(D1)和第二二极管(D2)的负极，电容(C)的另一端接地。1. An isolated pulse power supply with adjustable polarity and amplitude, comprising an isolation transformer (B) for isolating and transmitting energy and control information, characterized in that, it is also provided with an output terminal respectively connected to the isolation transformer (B) Connected, the first diode (D 1 ) and the second diode (D 2 ) for full-wave rectification; one end is connected between the first diode (D 1 ) and the second diode (D 2 ) The capacitor (C) used for power storage and filtering between the power supply; the first resistor (R 1 ) and the second resistor (R2) connected to the positive and negative output terminals of the isolation transformer (B) for transmitting trigger signals ; and the cathodes of the first diode (D 1 ) and the second diode (D 2 ), the other end of the capacitor (C), the first resistor (R 1 ) and the second resistor (R 2 ), respectively The flip-flop (FF 1 ) connected to the other end for outputting pulses and controlling the pulse polarity and amplitude, the output terminal (Vout) of the flip-flop (FF 1 ) is used as the isolated pulse power supply At the output terminal, the center tap on the output side of the isolation transformer (B) is grounded, and one end of the capacitor (C) is connected to the cathodes of the first diode (D 1 ) and the second diode (D 2 ), The other end of the capacitor (C) is grounded. 2.根据权利要求1所述的极性和幅值可调的隔离脉冲电源，其特征在于，所述的双稳态触发器(FF1)的两个输出端分别通过第一缓冲放大器(BF1)和第二缓冲放大器(BF2)连接负载。2. The isolated pulse power supply with adjustable polarity and amplitude according to claim 1, characterized in that, the two output terminals of the flip-flop (FF 1 ) are respectively passed through the first buffer amplifier (BF 1 ) and the second buffer amplifier (BF 2 ) are connected to the load. 3.根据权利要求1所述的极性和幅值可调的隔离脉冲电源，其特征在于，所述的双稳态触发器(FF1)包括有第三、第四三极管(T3、T4)，第五至第八电阻(R5、R6、R7和R8)，所述的第七电阻(R7)的一端连接第一二极管(D1)的负极，另一端连接第一电阻(R1)、第六电阻(R6)的一端以及第三三极管(T3)的集电极，所述的第八电阻(R8)的一端连接第二二极管(D2)的负极，另一端连接第二电阻(R2)、第五电阻(R5)的一端以及第四三极管(T4)的集电极，所述的第五电阻(R5)的另一端连接第三三极管(T3)的基极，第六电阻(R6)的另一端连接第四三极管(T4)的基极，所述的第三三极管(T3)和第四三极管(T4)的发射极接地。3. The isolated pulse power supply with adjustable polarity and amplitude according to claim 1, characterized in that, the flip-flop (FF 1 ) includes a third and a fourth triode (T 3 , T 4 ), fifth to eighth resistors (R 5 , R 6 , R 7 and R 8 ), one end of the seventh resistor (R 7 ) is connected to the cathode of the first diode (D 1 ), The other end is connected to the first resistor (R 1 ), one end of the sixth resistor (R 6 ) and the collector of the third triode (T 3 ), and one end of the eighth resistor (R 8 ) is connected to the second two The negative pole of the transistor (D 2 ), the other end is connected to the second resistor (R 2 ), one end of the fifth resistor (R 5 ) and the collector of the fourth triode (T 4 ), the fifth resistor ( The other end of R 5 ) is connected to the base of the third triode (T 3 ), the other end of the sixth resistor (R 6 ) is connected to the base of the fourth triode (T 4 ), and the third three The emitters of the transistor (T 3 ) and the fourth transistor (T 4 ) are grounded. 4.根据权利要求3所述的极性和幅值可调的隔离脉冲电源，其特征在于，所述的双稳态触发器(FF1)中，还可由第一、第二三极管(T1、T2)及第三、第四偏置基极电阻(R3、R4)替换所述的第七电阻(R7)和第八电阻(R8)，其中，第一、第二三极管(T1、T2)的发射极分别对应连接第一、第二二极管(D1、D2)的负极，第一、第二三极管(T1、T2)的集电极分别对应连接第三、第四三极管(T3、T4)的集电极，第三偏置基极电阻(R3)连接在第一三极管(T1)的基极和第二三极管(T2)的集电极之间，第四偏置基极电阻(R4)连接在第二三极管(T2)的基极和第一三极管(T1)的集电极之间。4. The isolated pulse power supply with adjustable polarity and amplitude according to claim 3, characterized in that, in the flip-flop (FF 1 ), the first and second transistors ( T 1 , T 2 ) and the third and fourth bias base resistors (R 3 , R 4 ) replace the seventh resistor (R 7 ) and the eighth resistor (R 8 ), wherein the first and fourth The emitters of the two triodes (T 1 , T 2 ) are respectively connected to the cathodes of the first and second diodes (D 1 , D 2 ), and the first and second triodes (T 1 , T 2 ) The collectors of the third and fourth triodes (T 3 , T 4 ) are respectively connected to the collectors, and the third bias base resistor (R 3 ) is connected to the base of the first triode (T 1 ). and the collector of the second transistor (T 2 ), the fourth bias base resistor (R 4 ) is connected between the base of the second transistor (T 2 ) and the first transistor (T 1 ) between the collectors. 5.根据权利要求1所述的极性和幅值可调的隔离脉冲电源，其特征在于，所述的双稳态触发器(FF1)是由第一至第四绝缘栅场效应晶体管(G1、G2、G3、G4)构成的桥式对称双稳态触发器，其中，第一、第三绝缘栅场效应晶体管(G1、G3)的栅极共同连接第一电阻(R1)，第二、第四绝缘栅场效应晶体管(G2、G4)的栅极共同连接第二电阻(R2)，第一、第二绝缘栅场效应晶体管(G1、G2)的漏极分别对应连接第三、第四绝缘栅场效应晶体管(G3、G4)的漏极，第一、第二绝缘栅场效应晶体管(G1、G2)的源极连接第一、第二二极管(D1、D2)的负极，第三、第四绝缘栅场效应晶体管(G3、G4)的源极接地，第二绝缘栅场效应晶体管(G2)的漏极连接第一电阻(R1)，第一绝缘栅场效应晶体管(G1)的漏极连接第二电阻(R2)，第三、第四绝缘栅场效应晶体管(G3、G4)的栅极作为双稳态触发器(FF1)的输出端(Vout)。5. The isolated pulse power supply with adjustable polarity and amplitude according to claim 1, characterized in that, said flip-flop (FF 1 ) is composed of first to fourth insulated gate field effect transistors ( G 1 , G 2 , G 3 , G 4 ) constitute a bridge-type symmetrical flip-flop, wherein the gates of the first and third insulated gate field effect transistors (G 1 , G 3 ) are commonly connected to the first resistor (R 1 ), the gates of the second and fourth insulated gate field effect transistors (G 2 , G 4 ) are commonly connected to the second resistor (R 2 ), the first and second insulated gate field effect transistors (G 1 , G 2 ) The drains are respectively connected to the drains of the third and fourth insulated gate field effect transistors (G 3 , G 4 ), and the sources of the first and second insulated gate field effect transistors (G 1 , G 2 ) are connected to The cathodes of the first and second diodes (D 1 , D 2 ), the sources of the third and fourth insulated gate field effect transistors (G 3 , G 4 ) are grounded, and the second insulated gate field effect transistor (G 2 ) is connected to the first resistor (R 1 ), the drain of the first insulated gate field effect transistor (G 1 ) is connected to the second resistor (R 2 ), the third and fourth insulated gate field effect transistors (G 3 , The gate of G 4 ) serves as the output terminal (Vout) of the flip-flop (FF 1 ). 6.根据权利要求5所述的极性和幅值可调的隔离脉冲电源，其特征在于，还采用第五至第八绝缘栅场效应晶体管(G5、G6、G7、G8)构成的桥式缓冲放大器，用于隔离双稳态触发器(FF1)和负载，其中，第五、第七绝缘栅场效应晶体管(G5、G7)的栅极共同连接第一电阻(R1)，第六、第八绝缘栅场效应晶体管(G6、G8)的栅极共同连接第二电阻(R2)，第五、第六绝缘栅场效应晶体管(G5、G6)的源极连接第一、第二二极管(D1、D2)的负极，第七、第八绝缘栅场效应晶体管(G7、G8)的源极接地，第五、第七绝缘栅场效应晶体管(G5、G7)的漏极相连接作为隔离脉冲电源输出端的一端，第六、第八绝缘栅场效应晶体管(G6、G8)的漏极相连接作为隔离脉冲电源输出端的另一端。6. The isolated pulse power supply with adjustable polarity and amplitude according to claim 5, characterized in that the fifth to eighth insulated gate field effect transistors (G 5 , G 6 , G 7 , G 8 ) are also used The bridge type buffer amplifier is used to isolate the flip-flop (FF 1 ) and the load, wherein the gates of the fifth and seventh insulated gate field effect transistors (G 5 , G 7 ) are commonly connected to the first resistor ( R 1 ), the gates of the sixth and eighth insulated gate field effect transistors (G 6 , G 8 ) are commonly connected to the second resistor (R 2 ), and the fifth and sixth insulated gate field effect transistors (G 5 , G 6 ) are connected to the cathodes of the first and second diodes (D 1 , D 2 ), the sources of the seventh and eighth insulated gate field effect transistors (G 7 , G 8 ) are grounded, and the fifth and seventh The drains of the insulated gate field effect transistors (G 5 , G 7 ) are connected as one end of the output terminal of the isolated pulse power supply, and the drains of the sixth and eighth insulated gate field effect transistors (G 6 , G 8 ) are connected as the isolated pulse The other end of the power supply output. 7.根据权利要求1所述的极性和幅值可调的隔离脉冲电源，其特征在于，所述的双稳态触发器(FF1)包括有第一反相器(IC1)和第二反相器(IC2)，其中，第一反相器(IC1)和第二反相器(IC2)的正相端分别对应连接第一电阻(R1)和第二电阻(R2)，第一反相器(IC1)和第二反相器(IC2)的反相端共同构成双稳态触发器(FF1)的输出端，第一反相器(IC1)的正相端连接第二反相器(IC2)的反相端，第二反相器(IC2)的正相端连接第一反相器(IC1)的反相端。7. The isolated pulse power supply with adjustable polarity and amplitude according to claim 1, characterized in that, said flip-flop (FF 1 ) includes a first inverter (IC 1 ) and a second Two inverters (IC 2 ), wherein the non-inverting terminals of the first inverter (IC 1 ) and the second inverter (IC 2 ) are respectively connected to the first resistor (R 1 ) and the second resistor (R2 ), the inverting terminals of the first inverter (IC 1 ) and the second inverter (IC 2 ) together form the output terminal of the flip-flop (FF 1 ), the first inverter (IC 1 ) The non-inverting terminal is connected to the inverting terminal of the second inverter (IC 2 ), and the non-inverting terminal of the second inverter (IC 2 ) is connected to the inverting terminal of the first inverter (IC 1 ). 8.根据权利要求7所述的极性和幅值可调的隔离脉冲电源，其特征在于，所述的双稳态触发器(FF1)的输出端分别对应通过第三反相器(IC3)、第四反相器(IC4)连接负载。8. The isolated pulse power supply with adjustable polarity and amplitude according to claim 7, characterized in that, the output terminals of the flip-flops (FF 1 ) respectively pass through the third inverter (IC 3 ), the fourth inverter (IC 4 ) is connected to the load.
CN2009100682832A 2009-03-27 2009-03-27 Isolation pulse power source with adjustable polar and amplitude value Expired - Fee Related CN101510734B (en)

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US5831394A (en) * 1995-12-21 1998-11-03 Patent-Treuhand-Gesellschaft Fur Elektrische Gluehlampen Mbh Circuit arrangement for the production of voltage pulse sequences, in particular for the operation of dielectrically impeded discharges
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US5831394A (en) * 1995-12-21 1998-11-03 Patent-Treuhand-Gesellschaft Fur Elektrische Gluehlampen Mbh Circuit arrangement for the production of voltage pulse sequences, in particular for the operation of dielectrically impeded discharges
CN1633020A (en) * 2003-12-23 2005-06-29 中国科学院安徽光学精密机械研究所 Transformerless laser pulse power supply and its working method

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