A fast automatic control circuit for engine flameout
An automatic control circuit and control circuit technology, applied in the direction of engine control, machine/engine, mechanical equipment, etc., can solve the problems of inconvenient use, untimely generator flameout, slow response speed, etc., and achieve stable operation, simple control, Achieving low-cost effects
Active Publication Date: 2022-03-08
重庆建兴智能仪表有限责任公司
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Problems solved by technology
[0002] As a machine that can convert other forms of energy into mechanical energy, the engine is widely used in the field of general machines and generators. In the current technology, such as in the field of generator control, manual methods are generally used to make the engine's The flameout line is grounded to flameout, but the above methods require manual intervention, which is inconvenient to use, especially in automatic control. For example, in the automatic switching system between generator and mains, the automatic switching between generator and mains The mains power supply is provided by the mains. When the mains is interrupted, it will be powered by the generator. When the mains is restored, it will automatically be transferred to the mains and stop the generator. If the existing flameout method is used, it will cause power generation. The machine is not turned off in time, and the response speed is slow
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[0021] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.
[0022] Such as figure 1 , figure 2 and image 3 Shown: a fast automatic control circuit for engine flameout, equipped with a thyristor Q4, the anode of the thyristor Q4 is connected to the positive end of the flameout line IGON, the cathode is connected to the negative pole of the flameout line IGON, and the control of the thyristor Q4 The pole is connected to the negative pole of the diode D20 through the resistor R33, the positive pole of the diode D20 is connected to the output end of the flameout control circuit unit, the control pole of the thyristor Q4 is grounded after the resistor R31, and the two ends of the resistor R31 A capacitor C...
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A fast automatic control circuit for engine flameout, which is provided with a flameout control switch unit, the two ends of the output switch of the flameout control switch unit are connected to the flameout line; connected to the input terminal of the energy storage unit, the output terminal of the energy storage unit is connected to the input terminal of the flameout control circuit unit, the output terminal of the flameout control circuit unit is connected to the control terminal of the flameout control switch unit, and the control terminal of the flameout control circuit unit It is connected with the flameout control signal unit; the first input terminal of the PWM switch signal control circuit unit is connected with the output terminal of the rectifier unit, the second input terminal is connected with the output terminal of the auxiliary power supply circuit unit, and the control terminal of the PWM switch signal control circuit unit is connected with the flameout The control signal unit is connected, the output end is connected to the control end of the isolated boost circuit unit, and the output end of the isolated boost circuit unit is connected to the input end of the flameout control circuit unit.
Description
technical field [0001] The invention relates to the technical field of engine control, in particular to a fast automatic control circuit for engine flameout. Background technique [0002] As a machine that can convert other forms of energy into mechanical energy, the engine is widely used in the field of general machines and generators. In the current technology, such as in the field of generator control, manual methods are generally used to make the engine's The flameout line is grounded to flameout, but the above methods require manual intervention, which is inconvenient to use, especially in automatic control. For example, in the automatic switching system between generator and mains, the automatic switching between generator and mains The mains power supply is provided by the mains. When the mains is interrupted, it will be powered by the generator. When the mains is restored, it will automatically be transferred to the mains and stop the generator. If the existing flame...
Claims
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IPC IPC(8): F02D17/04F02D29/06
Inventor 陈小波孔祥龙
Owner 重庆建兴智能仪表有限责任公司