CN206977665U - A kind of wireless sound box and the wireless sound system that can infinitely connect - Google Patents
A kind of wireless sound box and the wireless sound system that can infinitely connect Download PDFInfo
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- CN206977665U CN206977665U CN201720832596.0U CN201720832596U CN206977665U CN 206977665 U CN206977665 U CN 206977665U CN 201720832596 U CN201720832596 U CN 201720832596U CN 206977665 U CN206977665 U CN 206977665U
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- 230000005236 sound signal Effects 0.000 description 11
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Abstract
The utility model discloses a kind of wireless sound box and the wireless sound system that can infinitely connect, the wireless sound box includes VHF/UHF receiving modules, VHF/UHF transmitter modules, MCU and loudspeaker, the output end of the MCU is connected with the input of VHF/UHF receiving modules and the input of VHF/UHF transmitter modules respectively, and the output end of the VHF/UHF receiving modules and the input of loudspeaker connect；The wireless sound system, including the wireless sound box described at least two, pass through wireless connection between each wireless sound box.Wireless sound box of the present utility model is additionally arranged VHF/UHF receiving modules and VHF/UHF transmitter modules, the function of main frame and slave is integrated into a wireless sound box, so that wireless sound box both can with reception signal, can also transmission signal, facilitate the connection between multiple wireless sound boxes；There is wireless sound system of the present utility model low cost to connect the advantages of quantity is unrestricted with audio amplifier.The utility model can be widely applied to consumer electronics field.
Description
Technical field
It the utility model is related to consumer electronics field, especially a kind of wireless sound box and the wireless acoustics system that can infinitely connect
System.
Background technology
Explanation of nouns：
VHF is Very High Frequency abbreviation, i.e. very high frequency(VHF), refers to frequency band by the wireless of 30Mhz to 300MHz
Electric wave；
UHF is Ultra High Frequency abbreviation, i.e. superfrequency, and it is the wireless of 300~3000MHz to refer to frequency
Electric wave.
With nationwide fitness programs and the rise of square dance, outdoor moving audio amplifier has also come into thousand ten thousand into ordinary consumption product
Family, this kind of product most of at present is that occur in the form of single audio amplifier, and these audio amplifiers typically only possess wireless receiving function
(wireless microphone reception), it is impossible to as main frame, the wireless connection to realize multiple audio amplifiers, it is necessary to also to prepare a transmitting and set
It is standby to be used as main frame.
There are some to support the wireless sound system of multiple audio amplifier wireless connections on the market at present, these wireless sound systems are adopted
The scheme to be communicated with Bluetooth communication or 2.4G/5.8G, but the scheme of Bluetooth communication can only at most support that 6 equipment are same at present
When connect, and 2.4G/5.8G communication scheme cost it is higher.
Utility model content
In order to solve the above technical problems, the purpose of this utility model is：A kind of wireless sound box of principal and subordinate's one is provided.
Another purpose of the present utility model is：A kind of low cost and the wireless sound system that can infinitely connect are provided.
Technical solution adopted in the utility model is：
A kind of wireless sound box, including VHF/UHF receiving modules, VHF/UHF transmitter modules, MCU and loudspeaker, the MCU
Output end be connected respectively with the input of VHF/UHF receiving modules and the input of VHF/UHF transmitter modules, the VHF/
The output end of UHF receiving modules and the input of loudspeaker connect.
Further, in addition to master-slave swap module, the input of the master-slave swap module respectively with MCU output end and
The output end connection of VHF/UHF receiving modules, the output end of the master-slave swap module and the input of loudspeaker connect.
Further, in addition to prime process circuit, the prime process circuit are connected with master-slave swap module, the prime
The output end of process circuit is connected with the input of VHF/UHF transmitter modules.
Further, in addition to MP3 decoding plate, the output end of the MP3 decoding plate connect with the input of prime process circuit
Connect.
Further, in addition to bluetooth receiving module, the output end of the bluetooth receiving module and the input of MP3 decoding plate
Connection.
Further, in addition to key-press module, the output end of the key-press module and MCU input connect.
Further, in addition to LED display module, the input of the LED display module and MCU output end connect.
Further, the loudspeaker includes loudspeaker and power amplifier, the output end of the power amplifier and loudspeaker
Input is connected, and the input of the power amplifier is connected with the output end of master-slave swap device.
Further, the VHF/UHF receiving modules and VHF/UHF transmitter modules are respectively connected with antenna.
The utility model use another technical scheme be：
A kind of wireless sound system that can infinitely connect, including the wireless sound box described at least two, each wireless sound box it
Between pass through wireless connection.
The beneficial effect of the utility model wireless sound box is：It is additionally arranged VHF/UHF receiving modules and VHF/UHF transmitting moulds
Block, the function of main frame and slave is integrated into a wireless sound box so that wireless sound box be able to can also both be sent out with reception signal
Signal is penetrated, facilitates the connection between multiple wireless sound boxes.
The beneficial effect of the utility model wireless sound system is：Including at least two wireless sound boxes, the wireless sound box
VHF/UHF receiving modules and VHF/UHF transmitter modules are additionally arranged, is led between multiple wireless sound boxes using VHF/UHF frequency ranges
Letter so that wireless sound system can support the connection of multiple audio amplifiers, not limited by audio amplifier quantity, meanwhile, employ more
Ripe VHF/UHF multiband wireless communications schemes, cost are lower than the scheme that 2.4G/5.8G communicates.
Brief description of the drawings
Fig. 1 is a kind of module frame chart of wireless sound box of the utility model；
Fig. 2 is the module frame chart of the wireless sound box of the utility model embodiment 1；
Fig. 3 is the schematic diagram of wireless sound system of the present utility model.
Embodiment
Reference picture 1, a kind of wireless sound box, including VHF/UHF receiving modules, VHF/UHF transmitter modules, MCU and loudspeaker,
The output end of the MCU is connected with the input of VHF/UHF receiving modules and the input of VHF/UHF transmitter modules respectively, institute
State the output end of VHF/UHF receiving modules and the input of loudspeaker connects.
Reference picture 2, it is further used as preferred embodiment, in addition to master-slave swap module, the master-slave swap module
Input be connected respectively with MCU output end and the output end of VHF/UHF receiving modules, the output of the master-slave swap module
End is connected with the input of loudspeaker.
Reference picture 2, it is further used as preferred embodiment, in addition to prime process circuit, the prime process circuit
It is connected with master-slave swap module, the output end of the prime process circuit is connected with the input of VHF/UHF transmitter modules.
Reference picture 2, it is further used as preferred embodiment, in addition to MP3 decoding plate, the output of the MP3 decoding plate
End is connected with the input of prime process circuit.
Reference picture 2, it is further used as preferred embodiment, in addition to bluetooth receiving module, the bluetooth receiving module
Output end be connected with the input of MP3 decoding plate.
Reference picture 2, it is further used as preferred embodiment, in addition to key-press module, the output end of the key-press module
It is connected with MCU input.
Reference picture 2, preferred embodiment, in addition to LED display module are further used as, the LED display module
Input and MCU output end connect.
Reference picture 2, preferred embodiment is further used as, the loudspeaker includes loudspeaker and power amplifier, described
The output end of power amplifier and the input of loudspeaker connect, the input of the power amplifier and the output of master-slave swap device
End connection.
Preferred embodiment is further used as, the VHF/UHF receiving modules and VHF/UHF transmitter modules are respectively connected with
Antenna.
Reference picture 3, a kind of wireless sound system that can infinitely connect, including the wireless sound box described at least two, each nothing
Pass through wireless connection between line audio amplifier.
With reference to Figure of description and specific embodiment, the utility model is described in further detail.
Embodiment 1
Reference picture 2, the present embodiment propose a kind of wireless sound box, and the wireless sound box mainly includes VHF/UHF and receives mould
Block, VHF/UHF transmitter modules, MCU, loudspeaker, LED display module, key-press module, prime process circuit, MP3 decoding plate, indigo plant
Tooth receiving module and master-slave swap module (its 1st, 3,5,6 and 7 pin is input, and the 2nd and 6 pin are output end).The bluetooth
The output end of receiving module is connected with the input of MP3 decoding plate, the input of the prime process circuit respectively with MP3 decoding
The output end of plate connects with the 2nd pin of master-slave swap module, output end and the VHF/UHF transmitter modules of the prime process circuit
Input connected with the 5th pin of master-slave swap module, the 3rd pin and the 4th pin of the master-slave swap module receive with VHF/UHF
The output end connection of module, the 6th pin of the master-slave swap module and the input of power amplifier connect, the power amplification
The input of the output end of device and loudspeaker is connected, and the 7th pin, the LED of the output end of the MCU respectively with master-slave swap module are shown
The input of module, the input of VHF/UHF transmitter modules connect with the input of VHF/UHF receiving modules, and the MCU's is defeated
Enter end to be connected with the output end of key-press module.
Wherein, VHF/UHF receiving modules, for receiving audio signal or microphone signal according to MCU control signal, its
It can be worked under two kinds of frequency ranges of VHF and UHF, when wireless sound box is under Host Status, the VHF/UHF receiving modules are used for
Receive microphone signal (working frequency points are between 166-799MHz)；When wireless sound box is under slave status, the VHF/UHF connects
Module is received to be used to receive the audio signal from main frame (working frequency points are between 800-900MHz).The VHF/UHF receives mould
Block can use ADF7020 family chips and its peripheral circuit to realize.
VHF/UHF transmitter modules, for the control signal according to MCU, to slave transmitting audio signal, (working frequency points exist
Between 800-900MHz), ADF7020 family chips and its peripheral circuit can be used to realize.
Antenna, for strengthening reception signal and transmission signal, on VHF/UHF transmitter modules and VHF/UHF receiving modules
An antenna is respectively connected to, it can use existing antenna to realize.
Loudspeaker, including loudspeaker and power amplifier, the power amplifier are used for the audio letter for amplifying input loudspeaker
Number and drive sound horn.The loudspeaker and power amplifier can use existing loudspeaker and power amplifier to realize.
Bluetooth receiving module, for receiving the blue-teeth data from other equipment, it can use existing bluetooth to receive
Module is realized.
MP3 decoding plate, for the data of MP3 format to be decoded into audio signal, it can use existing MP3 decoding plate
Realize.
Prime process circuit, mixed processing is carried out for the audio signal to input and microphone signal, it can use existing
Prime process circuit realize.
Key-press module, for input data, it can use existing Keysheet module to realize.
LED display module, shown for carrying out content according to MCU control signal, it can use existing charactron real
It is existing.
Master-slave swap module, for the control signal according to MCU, switched by changing wireless sound box annexation wireless
The master slave mode of audio amplifier, it can use CD4052 family chips to realize.Master-slave swap module is equal to a switching switch, when
When wireless sound box is in host work pattern, the output end of VHF/UHF receiving modules is connected at prime by master-slave swap module
The input of circuit is managed, while the output end of prime process circuit is connected to the input of loudspeaker.When wireless sound box is in
During slave mode of operation, the output end of VHF/UHF receiving modules is connected to the input of loudspeaker by master-slave swap module, simultaneously
Disconnect the connection between prime process circuit and loudspeaker and VHF/UHF receiving modules.
MCU, (include but is not limited to display control, principal and subordinate for carrying out data processing according to the input data of key-press module
Switching and upload), to trigger corresponding control signal.Although MCU is related to the process of data processing, but can use existing
Chip microcontroller, realized for example with STM8 family chips.
Embodiment 2
Reference picture 3, the wireless sound system of the present embodiment include the wireless sound box of at least two embodiments 1, and described is more
Pass through VHF/UHF frequency range wireless connections between individual wireless sound box.
Wherein, wireless sound box is divided into host work pattern and slave mode of operation, a conduct in more wireless sound boxes
Main frame, other are as slave.
When wireless sound box is in host mode, the 2nd pin of the master-slave swap module and the 3rd pin are connected, the 5th pin and the
6 pin are connected, and the working frequency points of the VHF/UHF receiving modules are between 166-799MHz, for receiving microphone signal, and will
The microphone signal received passes through master-slave swap module transfer to prime process circuit.The prime process circuit is by microphone signal
Mixed with the audio signal obtained by MP3 decoding plate decoding (data decoded come from bluetooth receiving module), Ran Houtong
Master-slave swap module is crossed to play mixed audio signal transmission to loudspeaker, while will be mixed by VHF/UHF transmitter modules
Audio signals broadcast after conjunction is to slave.
When wireless sound box is in slave mode, the 1st pin of the master-slave swap module and the 2nd pin are connected, the 4th pin and the
6 pin are connected, and the working frequency points of the VHF/UHF receiving modules are between 800MHz-900MHz, for receiving from main frame
Audio signal, and played out audio signal transmission to loudspeaker by master-slave swap module, now, the VHF/UHF hairs
Module, bluetooth receiving module, MP3 decoding plate and prime process circuit is penetrated not work.
Wireless sound box of the present utility model also has the advantage that：
The receiving module and audio signal reception module of microphone are integrated with VHF/UHF receiving modules, saves cost；
Wireless sound box includes the function of sending and receiving simultaneously so that any one audio amplifier can serve as main frame, be easy to composition one
Individual wireless sound box group, and a wherein slave can be switched fast into main frame, fast quick-recovery audio amplifier group when hostdown
Function.
Wireless sound system of the present utility model also has the advantage that：
Wireless connection, long transmission distance are carried out using VHF/UHF frequency ranges；Wireless connection is carried out using VHF/UHF frequency ranges, if
Without to code between standby；Used wireless sound box possesses principal and subordinate's function, without preparing an emitter as main frame, arbitrarily
One wireless sound box can serve as main frame, very convenient；And the audio amplifier quantity of series connection is unrestricted, unlimited sound can be achieved
The series connection of case.
Above is preferably implement to be illustrated to of the present utility model, but the utility model is not limited to the reality
Example is applied, those skilled in the art can also make a variety of equivalent changes on the premise of without prejudice to the utility model spirit
Shape or replacement, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (10)
- A kind of 1. wireless sound box, it is characterised in that：Including VHF/UHF receiving modules, VHF/UHF transmitter modules, MCU and raise one's voice Device, the output end of the MCU are connected with the input of VHF/UHF receiving modules and the input of VHF/UHF transmitter modules respectively, The output end of the VHF/UHF receiving modules and the input of loudspeaker connect.
- A kind of 2. wireless sound box according to claim 1, it is characterised in that：Also include master-slave swap module, the principal and subordinate The input of handover module is connected with MCU output end and the output end of VHF/UHF receiving modules respectively, the master-slave swap mould The output end of block and the input of loudspeaker connect.
- A kind of 3. wireless sound box according to claim 2, it is characterised in that：Also include prime process circuit, the prime Process circuit is connected with master-slave swap module, the output end of the prime process circuit and the input of VHF/UHF transmitter modules Connection.
- A kind of 4. wireless sound box according to claim 3, it is characterised in that：Also include MP3 decoding plate, the MP3 decoding The output end of plate is connected with the input of prime process circuit.
- A kind of 5. wireless sound box according to claim 4, it is characterised in that：Also include bluetooth receiving module, the bluetooth The output end of receiving module is connected with the input of MP3 decoding plate.
- A kind of 6. wireless sound box according to claim 1, it is characterised in that：Also include key-press module, the key-press module Output end and MCU input connect.
- A kind of 7. wireless sound box according to claim 1, it is characterised in that：Also include LED display module, the LED shows Show that the input of module and MCU output end connect.
- A kind of 8. wireless sound box according to claim 2, it is characterised in that：The loudspeaker includes loudspeaker and power amplification Device, the output end of the power amplifier and the input of loudspeaker connect, the input and master-slave swap of the power amplifier The output end connection of device.
- A kind of 9. wireless sound box according to claim 1, it is characterised in that：The VHF/UHF receiving modules and VHF/UHF Transmitter module is respectively connected with antenna.
- A kind of 10. wireless sound system that can infinitely connect, it is characterised in that：Including any one of at least two claim 1-9 Described wireless sound box, pass through wireless connection between each wireless sound box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720832596.0U CN206977665U (en) | 2017-07-10 | 2017-07-10 | A kind of wireless sound box and the wireless sound system that can infinitely connect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720832596.0U CN206977665U (en) | 2017-07-10 | 2017-07-10 | A kind of wireless sound box and the wireless sound system that can infinitely connect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206977665U true CN206977665U (en) | 2018-02-06 |
Family
ID=61402125
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720832596.0U Expired - Fee Related CN206977665U (en) | 2017-07-10 | 2017-07-10 | A kind of wireless sound box and the wireless sound system that can infinitely connect |
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| CN (1) | CN206977665U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109547896A (en) * | 2019-01-08 | 2019-03-29 | 广州拓卜电子有限公司 | A kind of loudspeaker and wireless Public Address System |
| CN110995550A (en) * | 2019-11-20 | 2020-04-10 | 厦门讴歌电子有限公司 | Intelligent home dial-up networking background audio system |
| CN115119104A (en) * | 2022-06-20 | 2022-09-27 | 上海炉石信息科技有限公司 | Wireless sound equipment connection system and method |
-
2017
- 2017-07-10 CN CN201720832596.0U patent/CN206977665U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109547896A (en) * | 2019-01-08 | 2019-03-29 | 广州拓卜电子有限公司 | A kind of loudspeaker and wireless Public Address System |
| CN110995550A (en) * | 2019-11-20 | 2020-04-10 | 厦门讴歌电子有限公司 | Intelligent home dial-up networking background audio system |
| CN110995550B (en) * | 2019-11-20 | 2021-11-30 | 厦门讴歌电子有限公司 | Intelligent home dial-up networking background audio system |
| CN115119104A (en) * | 2022-06-20 | 2022-09-27 | 上海炉石信息科技有限公司 | Wireless sound equipment connection system and method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180206 |