Earphone having loudspeaker function
A headphone and functional technology, which is applied in the field of headphones with speaker functions, can solve the problems of increasing the burden on the head, lack of comfort, and increasing the weight of the headphones, and achieve the effect of simple and light structural design, easy portability, and saving purchase costs
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Embodiment 1
[0026] Such as figure 1 As shown, the earphone with speaker function according to the present invention is mainly composed of a headband 4, two earmuffs 2 and a lead wire 1 with a plug 11: each earmuff 2 is connected to the headband 4 through a connecting piece 41. Both ends, and each earmuff 2 has a built-in speaker 3; the lead wire 1 is electrically connected to the speaker 3, the plug 11 on one end is a USB plug, and a package box 5 is arranged on the line body, and the package box is sequentially USB audio conversion interface 7, switch 8 and audio power amplifier 6 are provided, USB plug, USB audio conversion interface 7, switch 8, audio power amplifier 6 and loudspeaker 3 form working circuit part of the present invention, and this working circuit principle is as follows Figure 2a and Figure 2b shown. The principle of switching between the functions of the earphone and the sound box in the present invention will be described below through the principle of the circuit...
Embodiment 2
[0032] Such as Figure 4a , Figure 4b , Figure 4c and Figure 4d As shown, the difference between this embodiment and Embodiment 1 is that the connecting piece 41 between the earmuff 2 and the headband 4 is specifically a two-cylinder joint connection structure, through which the earmuff can be moved relative to the headband. The two-dimensional and three-dimensional rotation can meet different usage requirements, and the space size of the present invention can be further reduced when not in use, so as to achieve the purpose of being convenient for storage and carrying.
[0033] In addition, the connecting member may also be a combined connecting structure of a cylindrical joint and a spherical joint, and these connecting mechanisms are known technologies, and will not be described in detail here.
Embodiment 3
[0035] Such as Figure 5 As shown, the earphone with speaker function described in this embodiment is mainly composed of a headband 4, two earmuffs 2 and a lead wire 1 with a plug 11: each earmuff 2 is connected to the headband 4 through a connecting piece 41 and each earmuff 2 has a built-in speaker 3; the lead wire 1 is electrically connected to the speaker 3, and the plug 11 on one end is an RCA audio plug, and a package box 5 is arranged on the wire body, and the package box Inside, switch 8 and audio power amplifier 6 are arranged successively, and RCA plug, switch 8, audio power amplifier 6 and loudspeaker 3 form the working circuit part of the present invention, and this working circuit principle is as follows Figure 6a and Figure 6b As shown, the audio power amplifier 6 in the figure needs to be powered by a power supply circuit (not shown in the figure). The principle of switching between the functions of the earphone and the sound box in the present invention wil...
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