A forest fire prevention propaganda device
A forest fire prevention and power amplifier technology, applied in advertising, instruments, etc., can solve the problems of loudspeaker volume, information blockage, and limited publicity, and achieve the effect of loud siren, high power, and low power consumption
Inactive Publication Date: 2017-03-08
刘林贵
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Problems solved by technology
The disadvantages are that the volume of pre-recorded voice is small, and the playback content is relatively fixed and inflexible. For the people in mountainous and rural areas, the information is blocked, and there is not much knowledge about forest fire prevention. The amount of publicity is limited each time. In many cases, the megaphone uses a wired connection, which is not convenient enough to use
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[0015] A forest fire prevention publicity device in the figure includes MP3 radio player 1, power amplifier 8, strobe warning lights, YD100I loudspeaker 11, WS208 head-mounted wireless microphone shouting microphone 4, power amplifier 6 includes power controller 12, audio center Put 9 and low-frequency amplifier 10, power controller 12, audio frequency put 9 and low-frequency amplifier 10 together in a housing, power controller 12 input ends connect power supply, power controller 12 output ends connect MP3 radio player 1, MP3 radio player 1 has a preamplifier, the positive line of the strobe warning light is connected to K1, the output of the low-frequency amplifier 10 is connected to the YD100I speaker 11, and the WS208 head-mounted wireless microphone shouting microphone 4 is connected to the MP3 radio player 1 through wireless signals. The radio player 1 and the power amplifier 8 are connected by a four-core aviation plug male-female connecting line, which has shielding effe...
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The invention provides a forest fire prevention publicity device, and relates to a mobile forest fire prevention publicity device arranged on a mobile tool such as a motorcycle. A motorcycle traffic tool used by a forestry administrator and rural cadres to go to the countryside is sufficiently used, the publicity is realized in any places reached by the forest fire prevention publicity device, and the effects of breath saving and visual and obvious warning are achieved. The forest fire prevention publicity device comprises a player, a power amplifier, a strobe warning lamp, a loudspeaker and a headpiece wireless microphone type megaphone, wherein the power amplifier comprises a power supply controller and an amplifier, the power supply controller and the amplifier are simultaneously arranged in one casing, the input end of the power supply controller is connected with a power supply, and is connected with a radio player, an amplifier and the strobe warning lamp, the output end of the amplifier is connected with the loudspeaker, and the headpiece wireless microphone type megaphone is connected with the radio player through wireless signals.
Description
technical field [0001] The invention relates to a mobile forest fire prevention publicity tool. Background technique [0002] Existing warning lamp siren comprises motorcycle front light (round lamp and square lamp), motorcycle rear pole lamp, motorcycle siren. Among them, the front lights of motorcycle warning lights are divided into circular warning lights and circular warning lights. The seven-piece set of motorcycle warning lights for police motorcycles includes: one LED strobe rear pole light; two main and auxiliary horns inlaid with sirens; two LED strobe front red and blue round police lights; one handle switch; headset motorcycle One car megaphone. The disadvantages are that the volume of pre-recorded voice is small, and the playback content is relatively fixed and inflexible. For the people in mountainous and rural areas, the information is blocked, and there is not much knowledge about forest fire prevention. The amount of publicity is limited each time. In many...
Claims
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IPC IPC(8): G09F27/00
Inventor 刘林贵
Owner 刘林贵