Temperature control method of LED lighting system and LED lighting system
A temperature control method and LED lighting technology, applied in the field of LED lighting systems, can solve problems such as flashing lights in LED lighting systems, and achieve the effect of avoiding flashing lights
Pending Publication Date: 2018-09-11
SHENZHEN FM ELECTRONICS GRP CO LTD
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Problems solved by technology
[0004] The present invention provides a temperature control method for an LED lighting system and an LED lighting system, aiming to solve the problem that the traditional temperature control scheme for the LED lighting system will cause the LED lighting system to flash.
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[0030] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0031] Here, the temperature control method of the LED lighting system provided by the embodiment of the present invention is described in detail:
[0032] When the LED lighting system is working, the temperature of the LED lighting system is obtained in real time, specifically, the temperature of the LED lighting system is obtained in real time through a temperature sensor, and the LED lamp current of the LED lighting system is controlled according to the obtained temperature and its variation. In the embodiment of the present invention, the LED lamp current refers to the current flowing through t...
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A temperature control method for an LED lighting system and an LED lighting system are disclosed. The temperature control method comprises: controlling a current of the LED lamp to be an initial current I0 during a process in which a temperature of the LED lighting system is raised from an initial temperature T0 to a second temperature T2; controlling the current of the LED lamp to drop from the initial current I0 to the first current I1 during a process in which the temperature is raised from the second temperature T2 to the third temperature T3; controlling the current of the LED lamp to drop from the first current I1 to the second current I2 during a process in which the temperature is raised from the third temperature T3 to the fifth temperature T5; controlling the current of the LED lamp to be maintained at the first current I1 during a process in which the temperature drops from the third temperature T3 to the fourth temperature T4; and controlling the current of the LED lamp torestore from the first current I1 to the initial current I0 during a process in which the temperature drops from the fourth temperature T4 to the first temperature T1. The temperature control method allows the LED lighting system to not flash during working.
Description
technical field [0001] The invention belongs to the technical field of electronic power, and in particular relates to a temperature control method of an LED lighting system and the LED lighting system. Background technique [0002] The commonly used LED lighting system is composed of lampshade, control power supply and lamp beads in hardware, such as figure 1 shown. Wherein, the control power supply is used to control the current flowing through the lamp bead, so as to control the brightness of the LED lamp bead, that is, to control the power of the LED lamp. As a light source, the LED lighting system has conversion efficiency when converting electrical energy into light energy, which will generate a higher ambient temperature, and the control power supply itself will generate heat. Therefore, when the LED lighting system is working, in order to prevent the control power supply and If the lamp beads burn out, it is necessary to control the temperature of the LED lighting s...
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IPC IPC(8): H05B33/08H05B44/00
CPCH05B45/50H05B45/37Y02B20/40
Inventor 阳玉才胡渊
Owner SHENZHEN FM ELECTRONICS GRP CO LTD