Light-emitting component and light-emitting drive circuit of audible and visual alarm
A technology of sound and light alarms and light-emitting components, applied in the field of alarms, can solve the problems of unstable output voltage and input voltage value, uneven distribution of light source energy, and inability to distribute on demand, etc., to increase the number of loads and luminous efficiency. Optimum, luminous efficiency guaranteed results
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[0027] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it, but the examples given are not intended to limit the present invention.
[0028] Such as Figure 1-Figure 4 As shown, the light-emitting assembly 10 of the sound and light alarm of the present invention includes a luminous body 1 and a reflective seat 2. The luminous body 1 is attached to the inner surface of the light-emitting seat 2. The luminous body 1 includes a flexible LED light-emitting sheet 11. The light-emitting The sheet 11 adopts a matrix combination structure of multiple LEDs, and each LED is welded on the flexible PCB board 12; the reflector 2 is raised from the bottom to the top surface, and a plurality of limit holes 21 are opened on the side, and the limit holes are clamped and fixed. The LED light-emitting sheet. A total of 8 groups o...
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