The invention provides a photo-sensitive control LED illuminating lamp and the photo-sensitive control LED illuminating lamp is characterized by comprising a 12V direct current power supply, an optical signal detecting and amplifying circuit, and an LED power driving circuit The circuit of the photo-sensitive control LED illuminating lamp provided by the invention has two functions of light-dependent control and energy saving The circuit can automatically turn on an LED light when night falls and can automatically turn the LED light off after daybreak Therefore, the photo-sensitive control LED illuminating lamp can illuminate a corridor in a public place or a place in need of dim light at night The photo-sensitive control LED illuminating lamp is also very suitable for use in families with old people or children The photo-sensitive control LED illuminating lamp has a simple circuit structure and functions stably and reliably

Photo-sensitive control LED (Light Emitting Diode) illuminating lamp

A multifunctional light-operated LED streetlamp driver has a function of utilizing a photovoltaic effect of a solar cell, can enable a streetlamp to automatically switch off in the daytime and switch on at night. The multifunctional light-operated LED streetlamp driver utilizes a PWM dimming function, and adopts a control circuit to change a duty ratio in a timed manner, so as to change average LED streetlamp operating current output by PWM, and achieve an automatic dimming function. When the multifunctional light-operated LED streetlamp driver is applied to the streetlamp, operation of a refrigeration slice and operation of the LED streetlamp are synchronized by utilizing sealing cavity and semiconductor refrigeration slice technologies, so that heat generated by the LED streetlamp in operation is neutralized and radiated by the semiconductor refrigeration slice, the operating temperature of the streetlamp can be controlled below 50 DEG C, and the HATIZ theorem of an LED can be realized, namely, the service life of the LED is 100000 hours when the operating temperature of the LED is below 25 DEG C; and the service life of the LED is 50000 hours when the operating temperature of the LED ranges from 25 to 50 DEG C.

Multifunctional light-operated LED streetlamp driver

The invention discloses a solar lighting controller. The solar lighting controller comprises a charging and discharging protection circuit, a time control circuit, a light-control circuit and a constant current drive circuit. The charging and discharging protection circuit is connected with a solar cell panel and a 12-volt storage battery through the two input ends. The output end of the solar cell panel and the output end of the 12-volt storage battery are connected with the input end of the light-control circuit. A power source of the time control circuit is connected to the positive electrode of the 12-volt storage battery through a normally-open contact of a control relay of the light-control circuit, and a power source of the constant current drive circuit is connected to the storage battery and the charging and discharging protection circuit through a normally-open contact of a control relay of the time control circuit. The output end of the constant current drive circuit is connected with an LED lamp. According to the solar lighting controller, function controlling, power adjusting and maintaining are more convenient. An LED drive circuit is not needed in the lamp any more, only easy welding is needed to finish series-parallel connection of LED lamp beads, the production process is simplified, and the production cost of the lamp is saved. Due to the fact that the constant current drive circuit is far away from a lamp heating element, the lamp can work more reliably.

Solar lighting controller

The invention relates to an intelligent solar lawn lamp. During the daytime, the resistance value of a photoresistor Rt is low, a triode BG2 is turned off, a relay J2 loses power, the normally-open contact of the relay J2 is turned off and the light emitting diodes LED1-LED12 are not lit. At night, the resistance of the photoresistor Rt increases, the triode BG2 is turned on, the relay J2 is energized, the normally-open contact of the relay J2 is closed and the light emitting diodes LED1-LED12 are all lit. When the working voltage of a solar cell PV is low, a triode BG1 is turned off and a relay J1 loses power, and a storage battery E supplies power to the lawn lamp. The solar cell is applied to supply power so that the solar energy resource can be utilized to the maximum extent, the cableis not need to be laid, the safety problem of the cable after long-term use is not need to be considered and the occurrence of safety accidents is reduced; besides, the solar lawn lamp can be automatically extinguished at daybreak and automatically lit at dark.

Intelligent solar lawn lamp

The invention discloses an induction type wireless conversation apparatus of an intelligent household system and aims to provide an induction type wireless conversation apparatus adopting a Doppler effect induction object. The induction apparatus determines whether there is a visitor or not, if so, a telephone is turned on for helping the visitor to talk to a master. The induction type wireless conversation apparatus comprises a capacitor step-down half-wave rectification circuit, a Doppler trigger circuit, a trigger circuit, a self-locking circuit, a drive circuit and a wireless microphone circuit. When the visitor enters an induction area, a wireless microphone starts working, and the visitor can talk to the master; and when the visitor leaves, the wireless microphone stops working, so that noise is prevented from entering a room when there is no visitor.

Induction type wireless conversation apparatus of intelligent household system

The utility model discloses an LED emergency illuminating lamp, and the lamp comprises an AC-DC conversion circuit, an LED illuminating circuit, an emergency illumination start circuit, and an LED emergency illumination circuit, wherein the AC-DC conversion circuit, the LED illuminating circuit, the emergency illumination start circuit and the LED emergency illumination circuit are connected sequentially. The input end of the AC-DC conversion circuit is connected with the 220V commercial power supply, and the output end of the AC-DC conversion circuit outputs a 30V DC voltage. The device is achieved based on the development of the technology of electronic control, the technology of battery manufacture, and the technology of LED illumination. The lamp can meet the demands of daily illumination, and also can achieve emergency illumination. The sound-control and light-control LED emergency illumination lamp can achieve two purposes on a new site where an illumination lamp and an emergency lamp are needed, and also can saves the cost of materials and construction cost. The sound-control and light-control LED emergency illumination lamp can be used for replacing an illumination lamp in a corridor of an old residential building easily, just like the replacing of an incandescent lamp bulb, thereby improving the effect of emergency illumination. The device is remarkable in social benefit and economic benefit.

LED emergency illuminating lamp

The utility model relates to a wind-solar complementary LED billboard lighting device. The lighting device comprises a wind driven generator, a tower, a solar cell panel, a photovoltaic controller, a wind power generation controller, a wind-solar complementary controller, a storage battery and an LED lamp. The wind driven generator is installed at the upper end of the tower. The electric power output end of the wind driven generator is connected with the input end of the wind power generation controller. The electric power output end of the solar cell panel is connected with the input end of the photovoltaic controller. The output end of the photovoltaic controller and the output end of the wind power generation controller are connected with the input end of the wind-solar complementary controller. The wind-solar complementary controller is connected with the storage battery and the LED lamp. Wind energy, solar energy and the storage battery are employed to cooperate to supply power for a lighting, when the power supply mode of the lighting device is compared with a power supply mode of a traditional commercial power, the lighting device is advantaged by energy saving, environmental protection, safety and low construction cost, and avoids dependence on traditional energy.

Wind-solar complementary LED billboard lighting device

The utility model discloses a light-controlled LED plant light-supplementing lamp comprising an AC-DC converting circuit, a light control signal generating circuit, and an LED driving circuit. The input end of the AC-DC converting circuit is connected with 220V commercial power. The output end of the AC-DC converting circuit outputs 36V voltage. The input end of the light control signal generating circuit is connected with the output end of the AC-DC converting circuit. The positive input end of the LED driving circuit is connected with the output end of the AC-DC converting circuit. The negative input end of the LED driving circuit is connected with the output end of the light control signal generating circuit. Based on the development of electronic technology and LED illumination technology, the light-controlled LED plant light-supplementing lamp achieves integration of light control and light supplement structure and automatically substitutes for sunlight to supplement light energy to plant growth environment when sunlight is insufficient.

Light-controlled LED plant light-supplementing lamp

The utility model provides a solar energy charging device suitable for an electric bicycle. The solar energy charging device comprises a solar panel, a storage battery, a charging controller, a constant current driving circuit, an indication circuit, and an alarming circuit. The output end of the solar panel is connected with the photovoltaic panel interface of the charging controller, and the positive/negative pole of the storage battery is connected with the storage battery interface of the charging controller. The input end of the constant current driving circuit is connected with the voltage output interface of the charging controller by a switch K0, and the output end of the constant current driving circuit is used to output the constant current. The indication circuit and the alarming circuit are respectively connected with the constant current driving circuit, and the storage battery interface is respectively connected with the photovoltaic panel interface and the voltage output interface. The solar energy charging device is advantageous in that by adopting the photovoltaic power generation principle, the photovoltaic panel can be used to convert the solar energy into the electric energy for charging the storage battery directly, and the electric energy stored in the storage battery can be used for charging the electric bicycle; when the illumination is strong, the electric energy generated by the photovoltaic panel can be directly used for the charging, and is not required to be stored in the storage battery firstly.

Solar energy charging device suitable for electric bicycle

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