CN207677977U

CN207677977U - A kind of wireless audio play system

Info

Publication number: CN207677977U
Application number: CN201721373993.2U
Authority: CN
Inventors: 张秦明
Original assignee: Huali Electronic (huizhou) Co Ltd; Huizhou Jiemei Adams Technology Co Ltd
Current assignee: Huali Electronic (huizhou) Co Ltd; Huizhou Jiemei Adams Technology Co Ltd
Priority date: 2017-10-24
Filing date: 2017-10-24
Publication date: 2018-07-31
Anticipated expiration: 2027-10-24

Abstract

The utility model is related to play system technical fields, specifically disclose a kind of wireless audio play system, including play transmitting host and broadcasting and receive slave, and described play receives the wireless audio signal that slave reception broadcasting transmitting host is sent out；The broadcasting transmitting host includes the host main control module and bluetooth module being connect respectively with host main control module, UHF transmitting modules and host audio playing module；It includes slave main control module and the UHF receiving modules being connect respectively with slave main control module and slave audio playing module that the broadcasting, which receives slave, the utility model plays transmitting host and is directly played by the audio of bluetooth wireless receiving electronic equipment, and wireless audio signal is emitted to space, it is received in distance effective, it plays and receives slave reception space wireless audio signal, Bluetooth audio frequency is played with transmitting host synchronization is played, the quantity for receiving slave is played by controlling, the acoustical quality for realizing different capacity, improves the acoustical quality of different sound fields.

Description

A kind of wireless audio play system

Technical field

The utility model is related to play system technical field more particularly to a kind of wireless audio play systems.

Background technology

With the development and the improvement of people's living standards of society, more and more electronic equipments come into ordinary people family In, such as the electronic equipments such as mobile phone, tablet computer, notebook, iPad, iPhone, these electronic equipments are substantially all with bluetooth Function and audio playing function, when playing audio in a space or independent play-out or wired connection speaker play, no But can not audio be shared multiple equipment to be played simultaneously, audio can not also be shared to multiple locational spaces and be played simultaneously, i.e., It plays power and sound field sound quality is fixed, it is difficult to meet existing consumer demand.

Utility model content

In view of the above technical problems, the utility model provides one kind and can share audio wireless to different location space Multiple playback equipments, and realize the wireless audio play system that is played simultaneously.

In order to solve the above-mentioned technical problem, concrete scheme provided by the utility model is as follows：A kind of wireless audio broadcasting system It unites, including broadcasting emits host and sends out wireless with reception slave, the broadcasting reception slave reception broadcasting transmitting host is played Audio signal；Broadcasting transmitting host include host main control module and the bluetooth module being connect respectively with host main control module, UHF transmitting modules and host audio playing module；The broadcasting receive slave include slave main control module and respectively with slave master Control the UHF receiving modules and slave audio playing module of module connection.

Preferably, the host audio playing module includes Differential input circuit and the power amplifier that is connect with Differential input circuit Circuit, Differential input circuit filtering interference signal are simultaneously sent to power amplifier progress signal enhanced processing.

Preferably, it is described play transmitting host quantity be one, it is described play receive slave quantity be it is at least one, The quantity for receiving slave is played by controlling, can realize the acoustical quality of different capacity and is suitable for a variety of occasions.

Preferably, the broadcasting transmitting host further includes the LED light source module being connect with host main control module, keeps this wireless Audio frequency broadcast system has illumination functions, easy to use.

Preferably, it further includes the LED light source module being connect with slave main control module that the broadcasting, which receives slave, keeps this wireless Audio frequency broadcast system has illumination functions, easy to use.

Preferably, the wireless audio play system further includes controlling playing transmitting host and playing reception slave Remote controler, convenient for play transmitting host and play receive slave control.

Preferably, the uhf band of the UHF transmitting modules and UHF receiving modules is 300 ~ 1000MHz, and band limits is wide, Performance is good.

Preferably, the transmission range for playing transmitting host and playing reception slave is 0 ~ 25 meter, and transmission range is wide, dry Small and transmission is disturbed to stablize.

It is further preferred that described play transmitting host and play the lamp holder that reception slave is respectively arranged in Alternating Current Power Supply In, by the power switch of lamp holder, required broadcasting can be increased or decreased and receive slave quantity.

Compared with prior art, the beneficial effects of the utility model are：The wireless audio play system of the utility model Reasonable design plays transmitting host and is directly played by the audio of bluetooth wireless receiving electronic equipment, plays transmitting host and again will Wireless audio signal emits to space, is received in distance effective, all plays and receives slave reception space wireless audio signal, It plays to receive slave and play transmitting host synchronization and plays Bluetooth audio frequency, the quantity of slave is received by controlling broadcasting, not only can The acoustical quality for enough realizing different capacity, also improves the acoustical quality of different sound fields, meets consumer demand significantly；It should Play system can be widely used in LED bluetooths lamp, Multimedia Combination speaker, teaching conference audio public address system etc..

Description of the drawings

Fig. 1 is the whole functional block diagram of the utility model；

Fig. 2 is the functional block diagram of the broadcasting transmitting host of the utility model；

Fig. 3 is that the broadcasting of the utility model receives the functional block diagram of slave；

Fig. 4 is the embodiment circuit diagram of the utility model bluetooth module；

Fig. 5 is the embodiment circuit diagram of the utility model UHF sending modules；

Fig. 6 is the embodiment Use Case Map of the utility model Differential input circuit；

Fig. 7 is the embodiment Use Case Map of the utility model power amplifier；

Fig. 8 is the embodiment circuit diagram of the utility model slave audio playing module；

Fig. 9 is the embodiment Use Case Map of the utility model power circuit；

Figure 10 is the embodiment circuit diagram of the slave main control module of the utility model；

Figure 11 is the embodiment circuit diagram of the utility model UHF receiving modules；

Figure 12 is the embodiment circuit diagram of the LED light source module of the utility model；

Figure 13 is the embodiment circuit diagram of the utility model remote controler.

Specific implementation mode

In order to make those skilled in the art be better understood from the technical solution of the utility model, below in conjunction with the accompanying drawings to this The technical solution of utility model is further elaborated.

As shown in Fig. 1 ~ 3, a kind of wireless audio play system, including play transmitting host and play and receive slave, it is described It plays and receives the wireless audio signal that slave reception broadcasting transmitting host is sent out；The broadcasting transmitting host includes host master control mould The block and bluetooth module being connect respectively with host main control module, UHF transmitting modules and host audio playing module；The broadcasting connects It includes that slave main control module and the UHF receiving modules being connect respectively with slave main control module and slave audio play mould to receive slave Block, each reception slave that plays are controlled by individual power switch.

The uhf band of UHF transmitting modules and UHF receiving modules is 300 ~ 1000MHz, and band limits is wide, and performance is good, Preferably 920MHz.

The broadcasting transmitting host of the present embodiment realizes that Bluetooth pairing, use are two-way by bluetooth module and external played equipment Bluetooth wireless transmission connect progress audio transmission with electronic equipments such as mobile phone, tablet computer, notebooks and directly plays music, together When wireless audio signal is emitted to space by UHF transmitting modules, play transmitting host and play the transmission distance for receiving slave From being 0 ~ 25 meter, in effective reception distance, plays reception slave and pass through UHF receiving module reception space wireless audio letter Number, and Bluetooth audio frequency is played with transmitting host synchronization is played by slave audio playing module, the quantity that broadcasting receives slave can It is controlled by actual needs, realizes demand of the user to different capacity acoustical quality, improve the acoustical quality of different sound fields, Bluetooth technology can not achieve a function of dragging 6 or more, and the utility model can realize that one drags N, N to be more than 6 effect.

As shown in Figure 4 and Figure 5, the respectively internal circuit diagram of the present embodiment bluetooth module and UHF transmitting modules, wherein Bluetooth module mainly uses AC4603 main control chips, has and is not necessarily to plug-in SPI Flash, and periphery is super to be saved, lower-cost advantage.

In the present embodiment, host audio playing module includes Differential input circuit and the power amplifier that is connect with Differential input circuit Circuit, as shown in Figure 6 and Figure 7, Differential input circuit inhibit interference signal, and amplify useful signal and be input to power amplifier electricity Road, power amplifier use MD4155 chips, the collector of the 1st pin connecting triode Q1 of MD4155 chips and resistance R8, the 2nd The emitter of pin and the 3rd pin connecting triode, the base stage of triode are connected with resistance R2, the other end of resistance R2 with AC4603 main control chips connect, which is used to control the size of adjustment volume and cuts off the effect of sound, wherein 7th pin and the 8th pin are used for audio input, and the pin of the 10th, 11,12,13,15 and 16 is used for audio output, the connection of the 9th pin Power supply, the 14th pin ground connection.

As shown in figure 8, the physical circuit figure of the slave audio playing module for the present embodiment, mainly uses MD4181 cores Piece, the 6th pin are connected with the capacitance C19 of big bottom effect.Fig. 9 is the power circuit of the present embodiment, for the wireless audio Play system provides power supply, and Figure 10 is the physical circuit figure of the slave main control module of the present embodiment, mainly uses AC1082 chips, Have the function of that the advantages of USB AUDIO sound cards of subsidiary high-quality and high-speed read-write, Figure 11 are that the present embodiment UHF receives mould The physical circuit figure of block.

The broadcasting transmitting host of the present embodiment further includes the LED light source module being connect with host main control module, plays and receives Slave further includes the LED light source module being connect with slave main control module, so that the wireless audio play system is had illumination functions, makes With conveniently, which further includes having the remote control controlled with broadcasting reception slave playing transmitting host Device, the remote controler can realize control play transmitting host LED light source open and close, control Bluetooth pairing open, close and Handoff functionality adjusts the size of broadcast sound volume and adjusts the brightness etc. of LED light source, if Figure 12 is the specific of LED light source module Circuit diagram, Figure 13 are the internal circuit diagram of remote controler.

In order to facilitate use, plays transmitting host and broadcasting transmitting slave is respectively arranged in the lamp group of Alternating Current Power Supply, lead to The power switch of lamp holder is crossed, the required quantity for playing and receiving slave can be increased or decreased, flexibility is strong, easy to use.

Finally, it should be noted that above example is only to illustrate the technical solution of the utility model rather than to this reality With the limitation of novel protected range, any modification made within the spirit and principle of the utility model, equivalent replacement and Improve etc., it should be included within the scope of protection of this utility model.

Claims

1. a kind of wireless audio play system, it is characterised in that：Slave, the broadcasting are received including playing transmitting host and playing It receives slave and receives the wireless audio signal that broadcasting transmitting host is sent out；Broadcasting transmitting host include host main control module and Bluetooth module, UHF transmitting modules and the host audio playing module being connect respectively with host main control module；The broadcasting receives secondary Machine includes slave main control module and the UHF receiving modules being connect respectively with slave main control module and slave audio playing module；Institute It includes Differential input circuit and the power amplifier that is connect with Differential input circuit to state host audio playing module.

2. wireless audio play system according to claim 1, it is characterised in that：It is described play transmitting host quantity be One, the quantity for playing reception slave is at least one.

3. wireless audio play system according to claim 1, it is characterised in that：Broadcasting transmitting host further include with The LED light source module of host main control module connection.

4. wireless audio play system according to claim 1, it is characterised in that：The broadcasting receive slave further include with The LED light source module of slave main control module connection.

5. wireless audio play system according to claim 1, it is characterised in that：The wireless audio play system is also wrapped It includes to playing transmitting host and playing the remote controler for receiving slave and being controlled.

6. wireless audio play system according to claim 1, it is characterised in that：The UHF transmitting modules and UHF are received The uhf band of module is 300 ~ 1000MHz.

7. wireless audio play system according to claim 1, it is characterised in that：The broadcasting transmitting host and broadcasting connect The transmission range for receiving slave is 0 ~ 25 meter.

8. according to claim 1-7 any one of them wireless audio play systems, it is characterised in that：The broadcasting emits host It is respectively arranged in the lamp holder of Alternating Current Power Supply with reception slave is played.