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Aerator-used adjustable power supply based on thyristor over current protection circuit

An overcurrent protection circuit and thyristor technology, which is applied in the electronic field, can solve problems such as unstable electromagnetic oscillation frequency of aerators, inability of aerators to supply oxygen to goldfish, and unstable output voltage, etc., to ensure stability and improve stability , The effect of reducing leakage current and loss current

Inactive Publication Date: 2016-10-26
成都奥卡卡科技有限公司
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  • Summary
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  • Description
  • Claims
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Problems solved by technology

However, the existing power supply for aerators has the problem of unstable output voltage, which causes the electromagnetic oscillation frequency of the aerator to be unstable, so that the aerator cannot accurately supply oxygen to the goldfish in the fish tank, thereby causing the goldfish to suffer from hypoxia The phenomenon

Method used

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  • Aerator-used adjustable power supply based on thyristor over current protection circuit
  • Aerator-used adjustable power supply based on thyristor over current protection circuit

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Embodiment

[0017] Such as figure 1 As shown, the present invention mainly consists of a control chip U2, a transformer T, a diode rectifier U1, a resistor R6, a resistor R12, a polar capacitor C1, a polar capacitor C2, a polar capacitor C8, a diode D6, a thyristor overcurrent protection circuit, and a voltage Detection circuit, and voltage-controlled oscillation circuit.

[0018] When connected, the anode of the polarity capacitor C1 is connected to the positive output end of the diode rectifier U1, and its cathode is connected to the negative output end of the diode rectifier U1 and then grounded. The anode of the polarity capacitor C2 is connected to the anode output terminal of the diode rectifier U1, and its cathode is grounded. The positive pole of the polarity capacitor C6 is connected to the THRS pin of the control chip U2 through the resistor R6, and the negative pole thereof is connected to the TRW pin of the control chip U2. One end of the resistor R12 is connected to the RST...

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Abstract

The invention discloses an aerator-used adjustable power supply based on a thyristor over current protection circuit, which is characterized by mainly comprises a control chip U2, a transformer T, a diode rectifier U1, a polar capacitor C1, a polar capacitor C2, a polar capacitor C6, a resistor R12, a diode D6, a polar capacitor C8, a voltage detection circuit, a voltage controlled oscillation circuit and the thyristor over current protection circuit serially connected between the positive output end of the diode rectifier U1 and the voltage controlled oscillation circuit. The leakage current and the loss current of the input current can be effectively reduced, abnormal fluctuations of the input current can be restrained, and the input current can be kept stable; and in addition, the current intensity of the output current can be adjusted, stability of the output voltage and the current is ensured, and the stability of the electromagnetic oscillation frequency of the aerator can be ensured effectively.

Description

technical field [0001] The invention relates to the field of electronics, in particular to an adjustable power supply for an aerator based on a thyristor overcurrent protection circuit. Background technique [0002] With the improvement of people's quality of life, more and more people like to raise goldfish at home, and the situation of insufficient oxygen supply in the fish tank usually occurs when raising goldfish indoors. Therefore, people usually adopt electromagnetic oscillation type aerator to increase oxygen for goldfish. Insufficient oxygen supply or excessive oxygen supply will harm the fish when using an aerator to increase oxygen for goldfish. When using an aerator to increase oxygen for goldfish, it is necessary to ensure the stability of the amount of oxygen in the fish tank, and the oxygen supply of the aerator Whether it is stable depends on whether the electromagnetic oscillation frequency of the aerator is stable. However, the existing power supply for ae...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M3/335H02M1/32
CPCH02M1/32H02M3/33569H02M1/0038
Inventor 不公告发明人
Owner 成都奥卡卡科技有限公司
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