Query: energy-saving light electronic circuit

title: Low heating power consumption automobile light electronic circuit using HVLED
abstract: The invention provides a low heating power consumption automobile light electronic circuit using HVLED. An HVLEDs light source module L is used, and the output current is set between 10 and 50mA. LED internal resistance heating power consumption can be effectively reduced. The cost of a radiator is saved. A drive chip A uses a Flyback S boost topology to realize output voltage greater than about 10 times input voltage. Free load matching is realized. Isolation short circuit protection is realized. Light fade caused by early aging of an LED lamp bead can be avoided. In future, an LED automobile light can completely replace a halogen automobile light in the aspects of energy saving and cost.

title: Electronic energy saving light with LEDs
abstract: Disclosed is an LBD energy saving special light lamp including a lamp cap and a bulb comprising an upper reflecting cover and a connected lower transmitting cover and a lamp core column in the lampshade and the lamp core column including a light guider and an LBD located on the surface and a connected driving circuit, the input and output ends of which are connected with the lamp cap and the LBD respectively. With the LBD as the luminophor and constant current to drive the circuits, the lamp has advantages of uniform brightness and energy saving and an enhanced light brightness by reflecting the light source with high efficient reflecting cover.

title: LED multi chip power cup energy saving light
abstract: The utility model discloses an LED multi chip power cup energy saving light which is provided with an LED multi chip power cup (A) wherein the cup A is composed of a cup body (1) and a cup foot (2) the inner surface of the bottom (1b) of the cup body (1) is a plane, a circuit board is printed on the plane or tightly contacting with an aluminium substrate, LED chips (D) are preset on the printed circuit board, or the LED chips (D) are directly preset on the plane. An electronic component (4) is fixed by welding in space which is formed between the bottom (1b) and the cup foot (2) the electronic component is electrically connected with a lamp cap, and the cup foot (2) is tightly fastened with the lamp cap. The smoothness of the inner surface of the cup body (1) is high, a surface treatment for enhancing the light reflection property is carried out and the front surface of the aluminium substrate printed circuit board is provided with a layer of circuit board reflecting film. Because the LED chips are directly contacted with a radiator, the heat radiation property of the utility model is good and the utility model is suitable for manufacturing LED lighting lamps with large power.

title: A energy saving controller for ac motor light load operation based on the constant power factor
abstract: The paper analyses energy saving effect of variable applied voltage and light load operation, produces its main hardware circuit, designs the energy saving Controller of AC motor based on the constant power factor. It is shown that such a controller can be used for energy saving with optimum control. It can realize the function such as soft start, soft stop and general protection.

title: Electronic energy saving timer for Christmas lamp or neon light
abstract: The utility model discloses an electronic energy saving timer used for a Christmas lamp or a neon lamp, comprising a voltage input circuit, a rectification circuit, a timing function selection circuit, a master timing controller and a drive circuit used for opening up or shutting down the power of the lamp series; an output end of the rectification circuit is connected with the master timing controller; an output end of the timing function selection circuit is connected with the master timing controller; an output end of the master timing controller is connected with the drive circuit used for opening up or shutting down the power of the lamp series. By adopting the lamp series with the electronic energy saving timer, the use is convenient, the working time can be set, and the lamp series can realize circulatory work till the next day without requiring to be set everyday, thus being convenient and reliable in use, good in timing and energy saving effects and saving social resources.

title: Anti interference constant voltage constant current circuit device for energy saving LED lamp
abstract: The utility model relates to an anti interference constant voltage constant current circuit device used in the field of energy saving LED lamps. The anti interference constant voltage constant current circuit device comprises a power circuit and a load LED circuit, wherein an LED open circuit protection circuit is arranged in the power circuit; and a three terminal electronic voltage stabilizer is arranged between the power circuit and the load LED circuit. The anti interference constant voltage constant current circuit device can ensure substantially constant operating current of the energy saving LED lamp, ensure the brightness of the LED lamp, prolong the service life of the LED lamp, and reduce the light attenuation.

title: A Study of the Time Delay Electronic Energy Saving Lighting Switch
abstract: Time Delay Electronic energy saving lighting switch is commonly used in lighting control device.Currently,the performance of this product is not desirable because the power structure used in a considerable number of electronic lighting switches is not scientific.After analyzing the working principle of the power supply for common tandem type lighting electronic switch,this paper points out the defects of existing circuit and proposes the countermeasures to ensure a more stable and efficient working performance of electronic light switches.

title: Street lamp energy saving control system based on pyroelectric infrared sensor
abstract: The invention discloses a street lamp energy saving control system based on a pyroelectric infrared sensor. The system comprises an illumination measurement circuit, an active low pass filter circuit, a first logic control circuit, a Fresnel lens, a pyroelectric infrared detection circuit, a signal amplifier circuit, a rectifier circuit, a second logic control circuit, an electronic switch, an LED lamp, and a GSM water alarm module. The GSM water alarm module includes a water sensor, a processor, a sound and light alarm, a GSM wireless communication module, a mobile phone user terminal, a communication interface circuit, and a monitoring terminal. The pyroelectric infrared detection circuit includes a pyroelectric infrared connector, first to fourth capacitors, first to fifth resistors, a diode, a photosensitive resistor, and an EG4002 chip. The lamp can be turned on/off automatically through the pyroelectric infrared detection circuit. Moreover, the alarm can be raised in time when there is water on the road.

title: Dimmable electronic ballast of LED auxiliary lighting and energy saving lamp provided with same
abstract: The utility model discloses a dimmable electronic ballast of LED auxiliary lighting, which comprises a wave filter rectifying and power factor correcting circuit, a dimming phase detecting circuit, a drive circuit of dimmable energy saving lamp, a control circuit, a switch power circuit and an LED lighting circuit, wherein the dimmable electronic ballast of LED auxiliary lighting enables the dimming of the dimmable energy saving lamp of LED auxiliary lighting to be stabler and more reliable, and the energy saving lamp can be chosen to be closed so as to open the LED with low brightness, therefore, the lighting efficiency is higher and the service life of the energy saving lamp is prolonged, and the abnormal protection function of lamp is provided, thereby enabling the use safe and reliable. The utility model also discloses an energy saving lamp provided with the dimmable electronic ballast of LED auxiliary lighting. The lamp holder and the light tube of the energy saving lamp provided by the utility model can be changed, which is not only environment friendly but also energy saving.

title: Light modulating energy saving lamp suitable for one touch control
abstract: The invention discloses a dimmable energy saving lamp suitable for one key type control. which comprises a lamp holder, a lamp cavity provided with an electronic ballast, and an energy saving lamp tube. A rectifying and filtering circuit, a voltage controlled oscillation half bridge circuit, a series resonance circuit and a single chip microcomputer processing circuit are respectively arranged in the electronic ballast, the input terminal of the single chip microcomputer processing circuit is connected with a working state detecting circuit, and the output terminal of the single chip microcomputer processing circuit is connected with the voltage controlled oscillation half bridge circuit through a signal converting circuit; the dimmable energy saving lamp has the advantages that when the working state detecting circuit detects that the on/off state of the power switch is changed, then different PWM signals can be outputted by the single chip microcomputer and are converted into average voltage, the average voltage is inputted to the input terminal of the voltage controlled oscillation half bridge circuit after being fitted, to ensure that the working frequency of the electronic ballast and the light source current can be changed according to the controlled requirements, and thereby the purpose that the brightness of the light source can be adjusted can be realized; the adjustment to the brightness of the light source can be realized through the on/off conversion of the power switch in the dimmable energy saving lamp, a dimmer switch is eliminated, and the original electrical wiring is not required to be modified during the process of installation.