Fireproof electric leakage protector based on single chip microcomputer
A leakage protector, single chip technology, applied in the direction of automatic disconnection emergency protection devices, emergency protection circuit devices, instruments, etc., can solve problems such as inability to intuitively and quickly reflect, complicated circuit layout of fire leakage protectors, etc.
Inactive Publication Date: 2014-01-22
NANJING OURGREEN ENERGY SAVING TECH
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Problems solved by technology
At present, the circuit layout of the existing fire leakage protector is too complicated, and the alarm information of the detection of undervoltage, overvoltage, overcurrent and leakage cannot be reflected intuitively and quickly to the monitoring personnel.
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[0015] The present invention will be further described below in conjunction with the accompanying drawings.
[0016] as attached figure 1 A fire leakage protector based on a single-chip microcomputer is characterized in that it includes a detection circuit module and a power supply circuit module;
[0017] The detection circuit module includes a voltage and current detection circuit 2 , a single-chip microcomputer circuit 3 , an alarm circuit 4 , an electric leakage detection circuit 5 , a button setting circuit 6 and a motor control circuit 7 . The voltage and current detection circuit 2 can be divided into a voltage detection circuit and a current detection circuit, the voltage detection circuit is composed of a three-phase AC transformer, a rectification filter circuit and a voltage divider circuit, and the current detection circuit is composed of a three-phase AC transformer, a rectification filter circuit and a voltage divider circuit. The signal output terminal of the ...
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The invention discloses a fireproof electric leakage protector based on a single chip microcomputer. The fireproof electric leakage protector comprises a detecting circuit module and a power supply circuit module, wherein the detecting circuit module comprises a voltage and current detecting circuit, a single chip microcomputer circuit, a warning circuit, an electric leakage detecting circuit, a press key setting circuit and a motor control circuit, the signal output end of the voltage and current detecting circuit is connected with the signal input end of the single chip microcomputer circuit, the signal output end of the single chip microcomputer is connected with the signal input of the warning circuit, the electric leakage detecting circuit, the press key setting circuit and the motor control circuit are respectively connected with the signal input end of the single chip microcomputer circuit, and the power supply circuit module comprises a power-supply power supply power source circuit, a voltage and current detecting circuit, a single chip microcomputer circuit and a warning circuit. The fireproof electric leakage protector has the advantages that through the circuit design, the circuit layout is very simple, when the electric leakage of the circuit is detected, the response can be intuitively and fast made, and the warning is sent out.
Description
technical field [0001] The invention relates to a fire-proof leakage protector based on a single-chip microcomputer. Background technique [0002] Fire leakage protector is a device for protecting electrical circuits. It detects the voltage, current and leakage of three-phase alternating current. When the voltage, current and leakage of three-phase alternating current fail, it cuts off the power circuit to protect electrical appliances. Reduce the possibility of fire. It is widely used in construction, electric power, fire protection, communication and other industries, among which it is widely used in residential and commercial housing, and its reliability is particularly important in the application occasions of its products. At present, the country has formulated corresponding standards, requiring the use of fire leakage protectors in buildings. At present, the circuit layout of the existing fire leakage protector is too complicated, and the alarm information of the det...
Claims
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IPC IPC(8): H02H3/34G01R31/02
Inventor 王颐
Owner NANJING OURGREEN ENERGY SAVING TECH