Secondary filter circuit-based energy-saving control system for preamplifier-type street lamp
An energy-saving control system and secondary filtering technology, applied in the field of control systems, can solve the problems of wasting electric energy and lighting street lamps, and achieve the effects of improving lighting efficiency, saving electric energy and improving stability.
Inactive Publication Date: 2016-09-28
CHENGDU KANUOYUAN TECH CO LTD
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Problems solved by technology
[0003] The purpose of the present invention is to overcome the defect that the existing street lamp control system will turn on the street lamp and waste electric energy when no pedestrians pass by, and provide a preamplified energy-saving control system for street lamps based on a secondary filter circuit
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[0019] Such as figure 1 As shown, the present invention is mainly composed of the control chip U1, the infrared sensor U, the positive electrode connected to the power supply, the negative electrode connected to the GND pin of the control chip U1 after passing through the photoresistor RL, the capacitor C4, one end is connected to the positive electrode of the capacitor C4, and the other end The resistor R1 connected to the power input terminal of the infrared sensor U, the base trigger circuit connected to the control chip U1, the secondary filter circuit connected to the base trigger circuit, and the signal output terminal connected to the infrared sensor U Preamplifier circuit, the P pole is connected to the preamplifier circuit, the N pole is connected to the secondary filter circuit after the resistor R2, the diode D1, the positive pole is connected to the N pole of the diode D1, the negative pole is connected to the capacitor C1, and the series The switch circuit is conn...
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The invention discloses a secondary filter circuit-based energy-saving control system for a preamplifier-type street lamp. The secondary filter circuit-based energy-saving control system is characterized by mainly comprising a control chip U1, an infrared sensor U, a capacitor C4, a resistor R1, a base trigger circuit, a secondary filter circuit and the like, wherein a positive electrode of the capacitor C4 is connected with a power supply and a negative electrode passes through a photo-resistor RL and then is connected with a GND pin of the control chip U1; one end of the resistor R1 is connected with the positive electrode of the capacitor C4 and the other end is connected with a power supply input end of the infrared sensor U; the base trigger circuit is connected with the control chip U1; and the secondary filter circuit is connected with the base trigger circuit. When a pedestrian passes through at night, the street lamp is controlled to be lighted and lights for the pedestrian; after the pedestrian passes through, the street lamp is controlled to be extinguished; and the street lamp is not lighted even if the pedestrian passes through in the daytime. Therefore, the lighting efficiency of the street lamp can be improved and the electric energy is greatly saved.
Description
technical field [0001] The invention relates to a control system, in particular to a pre-amplified energy-saving control system for street lamps based on a secondary filter circuit. Background technique [0002] With the development of society, the number of street lamps continues to increase, which brings great convenience to people's lives. At present, street lamps are usually controlled by light control, timing or manual switch. However, when the above methods are used to control street lamps, the street lamps will also be on when no pedestrians pass by. Therefore, the current street lamp lighting is mostly low-efficiency lighting. , and its power utilization rate is low, which cannot meet the energy-saving concept advocated at present. Contents of the invention [0003] The purpose of the present invention is to overcome the defect that the existing street lamp control system will turn on the street lamp when there is no pedestrian passing through, which wastes electr...
Claims
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Login to View More IPC IPC(8): H05B37/02
CPCH05B47/105Y02B20/40
Inventor 不公告发明人
Owner CHENGDU KANUOYUAN TECH CO LTD