CN202696887U

CN202696887U - Home speaker

Info

Publication number: CN202696887U
Application number: CN 201220341217
Authority: CN
Inventors: 张建明
Original assignee: JIANGMEN AUDIOVISIO ELECTRONICS CO Ltd
Current assignee: JIANGMEN AUDIOVISIO ELECTRONICS CO Ltd
Priority date: 2012-07-13
Filing date: 2012-07-13
Publication date: 2013-01-23
Anticipated expiration: 2022-07-13

Abstract

The utility model discloses a home speaker which comprises a host, a display screen, an infrared remote control, a horn, a special mounting bracket and a speaker housing, wherein the host comprises a microprocessor, a radio module, an MP3 (Moving Picture Experts Group Audio Layer III)/WMA (Windows Media Audio) decoder module, a memory module, a power amplifier circuit, a charging circuit and a power management unit which are arranged on one PCB (Printed Circuit Board), the host further comprises other modules such as a touch key control circuit, a display drive circuit, a backlight circuit and a remote control receiving circuit which are arranged on the other PCB, the two PCBs are connected and communicated through bonding pads which are respectively led from the PCBs, and the microprocessor is shared. Two control modes of a touch key and the infrared remote control are adopted, the home speaker is operated under wide voltage, and a high-capacity lithium battery is arranged in the home speaker. When the home speaker is matched with furniture such as a home or hotel sofa, a night table, a wall unit and a dining table, the home speaker is small in size and is easy to install, and indoor space cannot be additionally occupied. The home speaker has the characteristics of intellectualization, energy saving, high tone quality and the like, and can be combined with common furniture.

Description

A kind of household sound equipment

Technical field

The utility model relates to a kind of sound equipment, especially a kind of household sound equipment that is installed in indoor family property broadcast MP3/WMA.

Background technology

Current, people's work and life are more and more busy, decoration for modern house requires also gradually simplicity, so popular not only be unwilling at the bulky but also expensive large-scale sound equipment of indoor purchase, be not content with again the cheap sound equipment of function singleness, lower tone, but people are idle and the time of having a rest is liked to listen again music and station broadcast loosens body and mind, cultivates one's taste.Along with the continuous pursuit of people to quality of the life, intellectuality, the hommization of household articles proposed new demand direction, thereby research how to combine with electrical equipment at household goods be the brand-new trend in this area.So research is applied in supporting family property with the stereo set function or is installed on the furniture such as hotel's sofa, bed cabinet, combination sideboard, dinner table, just more can satisfy the life requirement of family.Simultaneously because limitation and the environment particularity of installation site, in the confined space that family property can hold, sound equipment must accomplish miniaturization, heat radiation less, tonequality is good, easy for installation, do not take the objective demand such as space, house.

The utility model content

The household sound equipment that the technical problems to be solved in the utility model provides a kind of intellectuality, energy-conservation, high tone quality, can be combined with common family property.

For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of household sound equipment, comprise main frame, display screen, Infrared remote controller, loudspeaker, Special mounting bracket, casing of sound equipment, the microprocessor that main frame comprises, radio reception module, MP3/WMA decoder module, memory module, power amplification circuit, charging circuit, power management, membrane keyboard control circuit, display driver and remote-control receiving circuit.Wherein radio reception module, MP3/WMA decoder module, memory module, power amplification circuit, charging circuit, power management are made on the PCB, included membrane keyboard control circuit, display driver and the remote-control receiving circuit of another part is made on another piece PCB, the pad connecting communication of two PCB by drawing separately, and share same microprocessor.Special mounting bracket is casing of sound equipment fixedly, main frame places among the casing of sound equipment, and display screen is arranged on the casing of sound equipment outer surface, and each module that main frame comprises is connected with microprocessor, the radio reception module also links to each other with power amplification circuit, RF reception antenna, the power amplification circuit external loudspeaker.

Further, described power amplification circuit uses the AB/D class power amplifier of exempting to dispel the heat.

Further, Infrared remote controller and membrane keyboard dual mode are adopted in the operation of household sound equipment.

Further, sound applications is at supporting family property or be installed on the furniture such as hotel's sofa, bed cabinet, combination sideboard, dinner table.

Further, the built-in large capacity chargeable lithium cell of sound equipment, or directly be connected into the power interface of external circuit.

Further, the sound equipment normal operation is in the 9-18V voltage range.

Further, sound equipment is supported electronic tuning radio reception, and spectrum conversion and direct upper and lower radio station are selected.

The beneficial effects of the utility model: on the furniture such as supporting family property or hotel's sofa, bed cabinet, combination sideboard, dinner table, the sound equipment volume is little easily to be installed again, can additionally not take indoor space; Display applications is on sound equipment, but the user further improves the intelligent of sound equipment at listoning music direct vision sense organ also simultaneously; The AB/D class power amplifier that use exempts to dispel the heat except improving the usage safety performance, can also be saved the heat radiation aluminium, thus more economical with materials and complete machine cost; The function that MP3, broadcast receiver and sound equipment etc. comprise has perfectly been merged in the electronic tuning radio reception that increases; Adopt the mode of operation of panel membrane keyboard and two kinds of fashion of infrared remote control, use more convenient, simple to operate; The built-in large capacity chargeable lithium cell of product, panel leaves charging inlet, is furnished with the coupling charger, also can connect domestic power supply and play, and does not connect domestic power supply and also can play, and can play continuously more than 4 hours after being full of electricity, and heat dissipation capacity is minimum, and safety and reliability are high.The sound equipment normal operation is in 9-18V super wide voltage scope, and user selection increases greatly.

Description of drawings

Below in conjunction with accompanying drawing embodiment of the present utility model is described further.

Fig. 1 is the utility model household acoustic function module map;

Fig. 2 is the utility model household sound equipment membrane keyboard control circuit plane graph;

Fig. 3 is the host microprocessors circuit diagram of this experiment novel household sound equipment;

Fig. 4 is the membrane keyboard control circuit circuit diagram of this experiment novel household sound equipment;

Fig. 5 is the external loudspeaker circuit diagram of this experiment novel household sound equipment;

Fig. 6 is power management and the rectification circuit figure of this experiment novel household sound equipment;

Fig. 7 and Fig. 8 are two kinds of power amplification circuit figure of this experiment novel household sound equipment.

Embodiment

A kind of household acoustic function module map and host microprocessors (MCU) circuit diagram shown in Fig. 1 and Fig. 3 difference, speaker module comprises main frame 1, display screen 2, Infrared remote controller 3, loudspeaker 4, Special mounting bracket, casing of sound equipment 6, the radio reception module 7 that main frame 1 a module part is included, MP3/WMA decoder module 8, memory module 9, power amplification circuit 10, charging circuit 11, power management 12 is made on the PCB, the membrane keyboard control circuit 13 that another part is included, display driver 14, backlight circuit 15 and remote-control receiving circuit 16 are made on another piece PCB, the pad connecting communication of two PCB by drawing separately, and share same microprocessor 5.Source of sound input interface 17 by wherein is transported to MP3/WMA decoder module 8 with the audio signal that receives, and outputs to power amplification circuit 10 by microprocessor 5 controls again and carries out outputing to after audio frequency is processed loudspeaker 4 and play; AM/FM radio reception module 29 external RF reception antennas are realized function of radio receiver; Microprocessor 5 drives display screen; The AB/D class power amplifier that use exempts to dispel the heat except improving the usage safety performance, can also be saved the heat radiation aluminium, thus more economical with materials and complete machine cost.

Fig. 2 and Fig. 4 are a kind of household sound equipment membrane keyboard control circuit 13 plane graphs and circuit diagram, membrane keyboard control circuit 13 by mains switch 18, upper bent button 19, lower bent button 20, volume+21, volume-22, mode button 23, audio button 24 be set, suspend play button 25, display button 26, spectrum conversion/automatic channel search button 27, external tapping 28 form.Mains switch 18 is short in once start, and is short in once shutdown again; Upper bent button 19 short pressing are once selected a upper song or a upper radio station; Lower bent button 20 is short in once selecting next song or next radio station; Volume+21 are short in once adding the one-level volume; Volume-22 is short in once subtracting the one-level volume; Mode button 23 is short in once carrying out radio reception, SD broadcast, USB broadcast, audio frequency input selection; It is short in once carrying out EQ audio selection setting that audio arranges button 24; Suspend and play the button 25 short once time-outs of pressing, short in once playing again; The display button 26 short displaying times of pressing a time, short in once returning the current state demonstration again; Spectrum conversion/automatic channel search button 27 is short in carrying out FM1, FM2, FM3 conversion, and long pressing is the FAS full automatic search radio station, and stores the radio station; External tapping 28 comprises the interface position of SD card, USB, AUX input.

The above only is preferential execution mode of the present utility model, and the utility model is not limited to above-mentioned execution mode, as long as realize that with basic identical means the technical scheme of the utility model purpose all belongs within the protection range of the present utility model.

Claims

1.. household sound equipment, comprise main frame (1), display screen (2), Infrared remote controller (3), loudspeaker (4), Special mounting bracket, casing of sound equipment (6), it is characterized in that: the microprocessor (5) that described main frame (1) comprises, radio reception module (7), MP3/WMA decoder module (8), memory module (9), power amplification circuit (10), charging circuit (11), power management (12), membrane keyboard control circuit (13), display driver (14) and remote-control receiving circuit (16); Wherein radio reception module (7), MP3/WMA decoder module (8), memory module (9), power amplification circuit (10), charging circuit (11), power management (12) are made on the PCB, included membrane keyboard control circuit (13), display driver (14) and the remote-control receiving circuit (16) of another part is made on another piece PCB, the pad connecting communication of two PCB by drawing separately, and share same microprocessor (5); Special mounting bracket is casing of sound equipment (6) fixedly, main frame (1) places among the casing of sound equipment (6), display screen is arranged on casing of sound equipment (6) outer surface, each module that main frame (1) comprises is connected with microprocessor (5), radio reception module (7) also links to each other with power amplification circuit (10), RF reception antenna, power amplification circuit (10) external loudspeaker (3).

2. a kind of household sound equipment according to claim 1 is characterized in that: the AB/D class power amplifier module that described power amplification circuit (10) exempts to dispel the heat for use.

3. a kind of household sound equipment according to claim 1, it is characterized in that: mode of operation has Infrared remote controller (3) and membrane keyboard.

4. a kind of household sound equipment according to claim 1 is characterized in that: described sound applications is at supporting family property or be installed on the furniture such as hotel's sofa, bed cabinet, combination sideboard, dinner table.

5. a kind of household sound equipment according to claim 1 is characterized in that: the built-in large capacity chargeable lithium cell of sound equipment, or directly be connected into the power interface of external circuit.

6. a kind of household sound equipment according to claim 1, it is characterized in that: sound equipment works in the 9-18V voltage range.

7. a kind of household sound equipment according to claim 1 is characterized in that: the radio reception of described sound equipment support electronic tuning, spectrum conversion and direct upper and lower radio station selection.