CN203377869U

CN203377869U - Solar wireless voice receiver

Info

Publication number: CN203377869U
Application number: CN201320527747.3U
Authority: CN
Inventors: 陈世正
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-08-27
Filing date: 2013-08-27
Publication date: 2014-01-01
Anticipated expiration: 2023-08-27

Abstract

A solar powered wireless voice receiver comprises a shell, a power switch key, a volume down key, a charging port, a volume up key, an earphone and an internal control circuit, which is characterized in that the shell is also provided with a solar battery board; the internal control circuit comprises a MCU control unit, a radio frequency signal identifying and receiving unit, a key control circuit, a charging circuit, a power part, an audio signal demodulation unit, and a D/A conversion unit. The solar powered wireless voice receiver is worn by visitors to listen to tour guides on the scenic spots, the solar battery board is arranged on the wireless voice receiver to charge the receiver outdoor whenever and wherever, so as to prolong the working time of the receiver.

Description

A kind of solar energy radio voice receiver

Technical field

The utility model relates to the wireless receiver field, especially relates to a kind of solar energy radio voice receiver.

Background technology

When the visitor goes sight-seeing in scenic spot, often need guide interpreting.At present, each own guide of each tourist group, often have such situation: at same sight spot, have a plurality of guides respectively member separately to be explained simultaneously, each guide's sound is interweaved, the visitor just can only hear the noise of complete confusion, not only dissatisfied with the visitor of group, more excuse me think especially quiet point and not with the individual traveler of group, therefore can receive the explanation content emitted by emitter by the guide, the wireless speech receiver of being worn with it by corresponding visitor is widely used, yet common wireless speech receiver is rechargeable, but in tourist attraction charging inconvenience, and the visitor uses frequently, wireless speech receiver power drain often appears, can't continue the problem of using.

Summary of the invention

In order to overcome the deficiency of prior art, the purpose of this utility model is to provide a kind of solar energy radio voice receiver, can extend working time.

The technical scheme the utility model proposes is as follows:

A kind of solar energy radio voice receiver, comprise that shell, power switch key, volume reduce key, charge port, volume increase key, earphone and internal control circuit, it is characterized in that, also is provided with solar panel on described shell.

Described internal control circuit consists of MCU control unit, radiofrequency signal identification receiving element, key control circuit, charging circuit part, power unit, audio signal demodulating unit, D/A converting unit.

Wireless speech receiver provided by the utility model, wear for the visitor, listens to guide's explanation at scenic spot, on the wireless speech receiver, is provided with solar panel, can be charged whenever and wherever possible out of doors, thereby extend its operating time.

The accompanying drawing explanation

Fig. 1 is the external structure of solar energy radio voice receiver of the present utility model.

Fig. 2 is the circuit diagram of the internal control circuit of the solar energy radio voice receiver shown in Fig. 1.

Embodiment

Below in conjunction with drawings and Examples, the utility model is described in further details.

As shown in Figure 1, the solar energy radio voice receiver that the present embodiment provides comprises that shell 1, power switch key 2, volume reduce key 3, charge port 4, volume increase key 5, earphone 6 and internal control circuit, also are provided with solar panel 7 on described shell 1.

As shown in Figure 2, described internal control circuit consists of MCU control unit, radiofrequency signal identification receiving element, key control circuit, charging circuit part, power unit, audio signal demodulating unit, D/A converting unit.

When tourist guide or guide lead the visitor to travel to visit, each visitor wears an extra small supra-aural wireless receiver, the tourist guide uses transmitter, after the transmitter start, the visitor also opens receiver: long power switch key 2 opening power of pressing, power supply indicator flicker simultaneously, the line frequency section of going forward side by side search, when search is consistent to the transmitter frequency range with the tourist guide, stop search, can hear the sound that the tourist guide explains, operation principle now is: after receiver is identified receiving element and received the radiofrequency signal that tourist guide's explanation sends by radiofrequency signal, after by the MCU control unit, it being processed, being converted into audio signal by audio signal demodulating unit and D/A converting unit is again raised one's voice to its utmost by earphone.

Solar energy radio voice receiver of the present utility model can partly be charged by 4 pairs of rechargeable batteries of charge port.When the visitor uses out of doors, can also to rechargeable battery, partly be charged whenever and wherever possible by solar panel 7, thus the service time of prolongation wireless speech receiver.

Finally it should be noted that above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although with reference to preferred embodiment, the utility model is had been described in detail; those of ordinary skill in the field are to be understood that; still can modify or the part technical characterictic is equal to and replaces and do not break away from the spirit of technical solutions of the utility model embodiment of the present utility model, it all should be contained in the middle of the technical scheme scope that the utility model asks for protection.

Claims

1. a solar energy radio voice receiver, comprise that shell, power switch key, volume reduce key, charge port, volume increase key, earphone and internal control circuit, it is characterized in that, also is provided with solar panel on described shell; Described internal control circuit consists of MCU control unit, radiofrequency signal identification receiving element, key control circuit, charging circuit part, power unit, audio signal demodulating unit, D/A converting unit.