• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A circuit arrangement for generating high voltage pulses from DC voltage comprising a transformer, a secondary winding and at least two primary windings of said transformer, said primary windings at least one diode and a switching circuit are serial connected; said series circuit is connected to a voltage source, a capacitor is connected to the common terminal of said voltage source and of said primary windings, further said switching circuit is formed from the emitter-collector-section of a switching transistor, on the base of said switching transistor the output of a transistor amplifier is connected and the input of said transistor amplifier is coupled with the output of the control circuit. According to the invention the input (18) of said transistor amplifier (15) is formed from the base of a second transistor (30), between said input (18) and the output of said control circuit (16) two serial connected resistors (17a and 17b) are inserted, to the common terminal of both said resistors (17a and 17b) the emitter-collector-section of a first transistor (24) is connected, to the base of said first transistor (24) a voltage divider is connected, the branch (25) of which standing on the collector side is divided and connected to said voltage source (7), between the dividing point of said branch (25) and the common terminal of said primary winding (3) of said transformer (1) and of said switching transistor (14) a capacitor (26) is inserted, the resistor (27) of said voltage divider inserted on the emitter side is connected to a current control resistor (28), which is in series with the emitter-collector-circuit of said switching transistor (14).
    公开号:SU1709923A3
    申请号:SU864028645
    申请日:1986-12-10
    公开日:1992-01-30
    发明作者:Ковач Адам
    申请人:Kovach Adam；
    IPC主号:
    专利说明:

    The invention relates to devices for generating high voltage pulses from a constant voltage and is used primarily as a vehicle engine ignition system.
    The purpose of the invention is to increase the energy and duration of the spark discharge.
    FIG. Figure 1 shows the electrical circuit of the device for generating high voltage pulses; in fig. 2 is a timing diagram of the output unit current (transformer, switch) for one ignition cycle.
    A high voltage pulse generating device (Fig. 1) contains a high voltage transformer 1, the first terminal of the primary winding 2 of which is connected to the first power line, the terminals of the secondary winding 3 of the high voltage transformer 1 are the output terminals of the device, a control key 4, the control electrode of which connected to the output of the transistor amplifier 5, control pins b, the first of which is connected to the first terminal of the first resistor 7, the second to the second power bus, control unit 8, the first and second resistive e dividers 9 and 10, switching transistor 11, feedback capacitor 12, current resistor 13, current capacitor 14, second resistor 15, first and second capacitors 16 and 17, diode 18: high-voltage transformer 1 is equipped with an additional primary winding 19, first output which is connected to the first output of the first capacitor 16 and the cathode of the diode 18, the anode of which is connected to the second output of the primary winding 2 and the first output of the second capacitor 17, the second output of which and the second output of the additional primary winding 19 are connected to the first power cell the control key 4, the first output of the second resistor is connected to the base of the switching transistor 11 and the first output of the second resistive divider 10, the second output of which is connected to the second output of the first capacitor 16 and the first power bus, the second point of the second resistive divider 10 through the reverse capacitor 12 is connected to the first power electrode of the control key 4, the second power electrode of which is connected to the second output of the second resistor 15 and the first output of the current capacitor 14, and through the current resistor 13 to the second th power bus, which is connected to the emitter of the switching transistor 11, whose collector is connected to a midpoint of the first resistive divider 9, a first terminal coupled to an input transistor of the amplifier 5, the second terminal of the first resistive divider 9 is connected to the second terminal of the capacitor 14 and the output current
    control unit, the input connected to the second output of the first resistor 7; The control unit 8 is formed by an inductor 20, the first output of which, being the input terminal of the control unit 8, is connected to the emitter of the transistor 21, its second output is connected to the first power bus and the base of the transistor 21. In another embodiment, the leads of the inductance 20 are connected to the same terminals
    5 of the third and fourth resistors, the other outputs of which are connected to the base of the transistor 21. A third capacitor 24 is connected between the middle and the first output of the first resistive divider. 25 A power source.
    0 The device (Fig. 1) works as follows.
    When the control contacts 6 are closed, a current flows through the first resistor 7 and inductance coil 20, at the interruption of which the voltage in the latter is induced, the polarity of which is such that a positive voltage jump occurs on the emitter of transistor 21 and a negative voltage is generated at its base.
    0 In the described embodiment, a pnp type transistor 21 is used. Under the action of a voltage jump on the inductor 20, the transistor 21 is turned on from the voltage source 25 through the coil 20
    5 inductance and the emitter-collector circuit of the transistor 21, the direct voltage is fed to the input of the transistor amplifier 5. A capacitor 14 is connected to the output of the transistor amplifier 5, which is significant when
    0 forming a signal at its input. In response to a voltage pulse in the inductor coil 20, the transistor 21 turns on, and the current flowing through the emitter-collector of this transistor is created by not
    5 not only the voltage of the voltage source 25, but also due to the voltage pulse, a series pulse generated in the inductor 20. A circuit is connected to the midpoint of the resistive divider 9
    The Q emitter is the collector of the switching transistor 11. Thus, both the input of the transistor amplifier 5 and the switching transistor 11 are in the conductive state,
    g Between the collector of the control key 4 and the second power bus, a current control resistor 13 is connected, which has a very low resistance. The value of this resistance is just a few ohms. therefore, it practically does not limit the current flowing through both the control key 4 and the primary windings 2 and 3 of the transformer 1. A voltage divider is connected to the base of the switching transistor 11, the second resistor 15 of which is connected to the current resistor 13 on the side of the emitter. The middle point of the second resistive divider 10 and the common point of the controlled key 4 and transformer 1 are connected to capacitor 12. This capacitor 12 provides feedback on the voltage to the base of the switching transistor 11, and a voltage rise on the current resistor 13, which is proportional to the current flowing through It provides current feedback to the base of the same switching transistor 11.
    FIG. 2 shows the shape of the current flowing through the primary windings 2 and 3 of transformer 1, the control switch 4 and the current resistor 13 as a function of time t. At point A, key 4 is turned on, and, as described, capacitors 17 and 16 connected in series to voltage source 25 produce a high-current pulse, increasing to point B. At point B, the charge of capacitors 17 and 16 is consumed, and current X decreases to point C This high-current pulse induces a high voltage pulse in the secondary winding of 3 transformers.
    On the current resistor 13, the voltage is proportional to the current I. This voltage is summed with the voltage accumulated in the capacitor 14, which maintains the key 4 in the on state with the transistor 21 turned off.
    The increasing voltage across the current resistor 13 also controls the base of the switching transistor 11 and, in the vicinity of point B, transistor 11 turns on. At the same time, a higher negative pulse growing on the capacitor 12 counteracts this and reliably keeps the transistor 11 in the vicinity of point B, which eliminates the possibility of disabling the control key 4. If the characteristics of the divider 10, the capacitor 12, the values of the voltage of the voltage source 25 and the voltage drop across the current resistor 13 are known, this function is easily calculated.
    According to FIG. 2 beyond the point B, the discharge current of the capacitors 17 and 16 decreases and at point C through the primary windings 2 and 3 and the diode 18 only the current of the source 25 flows, and the diode 18 at this time is in the conduction state. From point C and further, the current rises with a slope determined by the inductance of transformer 1. As the point D approaches, the voltage generated on the current resistor 13 switches the switching transistor 11 through the resistor 15. At the moment the transistor 11 is turned on, the switch 4 turns off instantly current 1 induces a voltage in the primary windings 2 and 3
    0 opposite polarity for recharging capacitors 17 and 16.
    The temperature dependence of the parameters of the transistor 11 is such that a change in direct voltage as a function of temperature leads to a change in the position of point D on the current curve. With decreasing temperature, point D moves along the dotted line (Fig. 2), and this means that current I can increase to more
    0 high value. In this case, the result is an increase in the magnetic energy accumulated in the transformer 1, i.e. in cold weather, even at low supply voltage, the high voltage pulse maintains constant energy over a wide temperature range. Significant benefits are provided when starting a car cold,
    It is recommended to include the third capacitor 24, since this accelerates the switching on of the transistor amplifier 5. The device shown in FIG. The 1 output unit on the control key 4 and the transformer 1 can also be used in the circuits for generating
    5 pulses, the transformer 1 being supplemented with an energy recovery circuit.
    权利要求:
    Claims (4)
    [1]
    Invention Formula
    0 1, A high voltage pulse generation device containing a high voltage transformer, the first primary output of which is connected to the first power bus, the secondary outputs
    The 5 windings of the high voltage transformer are the output terminals of a high voltage pulse generating device, a control key, the control electrode of which is connected to the output
    A Q transistor amplifier, control contacts, the first of which is connected to the first output of the first resistor, the second to the second power supply bus, the control unit, characterized in that
    5 for increasing the energy and duration of the spark discharge, the first and second resistive dividers, a switching transistor, and a feedback capacitor are introduced. current resistor, current capacitor, second resistor, first and second capacitors, diode, high-voltage transformer provided with an additional primary winding, the first terminal of which is connected to the first terminal of the first capacitor and the cathode of the diode, the anode of which is connected to the second primary terminal, and the first terminal of the second capacitor, The second terminal of which and the second terminal of the additional primary winding are connected to the first power electrode of the controlled key, the first terminal of the second resistor is connected to the base of the switching trans the first and the first output of the second resistive divider, the second output of which is connected to the second output of the first capacitor and the first power bus, the middle point of the second resistive divider is connected to the first power electrode of the controlled key, the second power electrode of the second resistor the resistor and the first terminal of the current capacitor, and through the current resistor to the second power bus, to which the emitter of the switching transistor is connected, the collector of which is connected to the middle It is the point of the first resistive, the first output of which is connected to the input of the transistor amplifier, the second terminal of the first resistive divider is connected to the second output of the current capacitor and the output of the control unit whose input is connected to the second output of the first resistor.
    [2]
    2. The device according to claim 1, 1, of that, with the fact that the control unit is formed
    an inductance coil, the first terminal of which, being the input terminal of the control unit, is connected to the emitter of the transistor, the second terminal is connected to the front power supply bus and the base of the transistor, the collector of which is the output of the control unit,.
    [3]
    3. The device according to claim 2, that is, that the base of the transistor is connected
    to the leads of the inductance through the third and fourth resistors.
    [4]
    4. The device is pop.1.0 with the fact that a third capacitor is connected between the middle point of the first resistive divider and its first output.
    类似技术:
    公开号 | 公开日 | 专利标题
    SU1709923A3|1992-01-30|Device for high voltage pulses generation
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    SU1465612A1|1989-03-15|Electronic ignition system of i.c. engine
    WO1986003257A1|1986-06-05|Pulse activated ignition system
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    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
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    GB2257855B|1991-07-16|1995-05-17|Motorola Inc|Driver circuit for inductive loads|
    US5168858A|1991-09-09|1992-12-08|Frank Mong|Ignition energy and duration augmentation|
    KR950002633B1|1991-10-15|1995-03-23|미쯔비시 덴끼 가부시기가이샤|Ignition apparatus for internal combustion engine|
    US5304919A|1992-06-12|1994-04-19|The United States Of America As Represented By The Department Of Energy|Electronic constant current and current pulse signal generator for nuclear instrumentation testing|
    US5629844A|1995-04-05|1997-05-13|International Power Group, Inc.|High voltage power supply having multiple high voltage generators|
    US5806504A|1995-07-25|1998-09-15|Outboard Marine Corporation|Hybrid ignition circuit for an internal combustion engine|
    US6023638A|1995-07-28|2000-02-08|Scimed Life Systems, Inc.|System and method for conducting electrophysiological testing using high-voltage energy pulses to stun tissue|
    US6107699A|1998-05-22|2000-08-22|Scimed Life Systems, Inc.|Power supply for use in electrophysiological apparatus employing high-voltage pulses to render tissue temporarily unresponsive|
    US6428537B1|1998-05-22|2002-08-06|Scimed Life Systems, Inc.|Electrophysiological treatment methods and apparatus employing high voltage pulse to render tissue temporarily unresponsive|
    DE19923263A1|1999-05-20|2000-11-23|Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh|Circuit arrangement for igniting a lamp|
    CN101877580A|2009-04-30|2010-11-03|博西华电器（江苏）有限公司|High voltage pulse generation device|
    JP2011146688A|2009-12-14|2011-07-28|Yabegawa Denki Kogyo Kk|Holding circuit, solenoid valve, valve selector, and fluid transport device|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    HU851335A|HU197130B|1985-04-11|1985-04-11|Circuit arrangement for generating pulses|
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