CN207352955U - A kind of portable mobile wireless sing accompanying system - Google Patents
A kind of portable mobile wireless sing accompanying system Download PDFInfo
- Publication number
- CN207352955U CN207352955U CN201721330750.0U CN201721330750U CN207352955U CN 207352955 U CN207352955 U CN 207352955U CN 201721330750 U CN201721330750 U CN 201721330750U CN 207352955 U CN207352955 U CN 207352955U
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- CN
- China
- Prior art keywords
- bluetooth
- receiver
- microphone
- accompaniment
- sound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Reverberation, Karaoke And Other Acoustics (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
The utility model discloses a kind of portable mobile wireless sing accompanying system, including more than one microphone, receiver, the K song systems of external subwoofer composition, K song systems have an accompaniment input terminal, the accompaniment input terminal is inputted for LINE IN or bluetooth accompaniment input, external equipment passes through bluetooth and the Bluetooth chip Bluetooth matching of receiver, more than one microphone inputs audio sound, LINE IN are inputted or bluetooth accompaniment input accompaniment sound, and mixed by the mixer in receiver, after mixing, external subwoofer is output to by D3.5 earphone bases to amplify, restore sound.The utility model adapts to the rapid development of electronic technology, as long as installing a K song softwares on mobile phone, plus a very common multimedia loudspeaker box, this portable wireless bluetooth KTV systems are used, seldom fund need only be used, it is possible to amusement of singing at any time.
Description
Technical field
It the utility model is related to wireless K songs field, and in particular to a kind of portable mobile wireless sing accompanying system.
Background technology
The KTV sing accompanying systems used currently on the market, such as KTV lodges, there is dedicated order programme, wireless microphone is every
A parlor frequency is fixed, and whole system price is high.Family expenses K songs are essentially all on traditional DVD or power amplifier plus one simple
Microphone amplifying circuit, audio is poor, substantially immovable.And specialty performance K song systems, generally will be in wireless microphone receiver
After add the equipment such as preamplifier, mixer, could use.
Traditional K song amusement, need arrive KTV lodges, be sung using song-order machine, be limited by time place, and spend it is larger,
And the K song microphones of family expenses, function is single, and signal source is seldom, and MTV can only be substantially played with DVD and is sung come K, and average expert is talked about
When cylinder is used for K song amusements, receiver need add preamplifier mixer, and power amplifier is sent to after being mixed with source of sound, can just do K songs
Amusement.Expensive, volume is big, mobile inconvenience, or can only be used in fixed-site.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of portable mobile wireless sing accompanying system, effectively solves
Deficiency of the prior art.
The utility model is achieved through the following technical solutions：A kind of portable mobile wireless sing accompanying system, including one
Microphone above, receiver, the K song systems of external subwoofer composition, K song systems have an input terminal of accompanying, the accompaniment
Input terminal inputs for LINE-IN or bluetooth accompaniment input, external equipment pass through bluetooth and the Bluetooth chip bluetooth of receiver
Match somebody with somebody, more than one microphone inputs audio sound, LINE-IN inputs or bluetooth accompaniment input accompaniment sound, and passes through reception
Mixer mixing in device, after mixing, is output to external subwoofer by D3.5 earphone bases and amplifies, restore sound.
As preferable technical solution, one microphone above includes a MCU, digital UHF amplifying circuits, TX
Radiating circuit, channel display circuit and power circuit.
As preferable technical solution, the moving coil pick-up of more than one microphone, when in use, microphone pickup
Audio signal, is sent to digital UHF amplifying circuits, amplified to go modulated digital signal, is sent after encoded, and ought
Preceding channel information is sent to channel display circuit and shows, the voltage that power circuit stablizes battery booster to 2.8V.
As preferable technical solution, the receiver includes a UHF receiving circuits, DAC circuit, mixer and signal
Process circuit, after UHF receiving circuits receive signal, is reduced into audio signal, and be sent to signal processing circuit by DAC circuit
Amplification, and mixer is sent to, with bluetooth, the accompaniment signal mixing of LINE-IN inputs.
As preferable technical solution, the external sound card circuits of a USB are also equipped with the receiver, pass through usb data
Line, is connected directly with computer, smart television, coordinates K song softwares to realize scoring and the change of voice.
The beneficial effects of the utility model are：The utility model adapts to the rapid development of electronic technology, as long as on mobile phone
Installation one K song software can, plus a very common multimedia loudspeaker box, use this portable wireless bluetooth KTV systems
System, need only use seldom fund, it is possible to amusement of singing at any time.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the system block diagram of the receiver end of the utility model；
Fig. 2 is the system block diagram of microphone；
Fig. 3 is the circuit diagram of microphone；
Fig. 4 is the circuit diagram of receiver end.
Embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine in any way.
This specification（Including any accessory claim, summary and attached drawing）Disclosed in any feature, except non-specifically chatting
State, can be replaced by other alternative features that are equivalent or have similar purpose.I.e., unless specifically stated, each feature
It is an example in a series of equivalent or similar characteristics.
As depicted in figs. 1 and 2, including more than one microphone, receiver, the K song systems of external subwoofer composition, the K are sung
System has an accompaniment input terminal, and the accompaniment input terminal inputs for LINE-IN or bluetooth accompaniment input, external equipment lead to
The Bluetooth chip Bluetooth matching of bluetooth and receiver is crossed, more than one microphone inputs audio sound, LINE-IN inputs or blue
Tooth accompaniment input accompaniment sound, and mixed by the mixer in receiver, after mixing, outside is output to by D3.5 earphone bases
Speaker amplifies, and restores sound.
Wherein, more than one microphone is shown including a MCU, digital UHF amplifying circuits, TX radiating circuits, channel
Circuit and power circuit.The moving coil pick-up of more than one microphone, when in use, the audio signal of microphone pickup,
Digital UHF amplifying circuits are sent to, it is amplified to go modulated digital signal, sent after encoded, and by current channel
Information is sent to channel display circuit and shows, the voltage that power circuit stablizes battery booster to 2.8V.Receiver includes a UHF
Receiving circuit, DAC circuit, mixer and signal processing circuit, after UHF receiving circuits receive signal, by DAC circuit also
Original is sent to signal processing circuit amplification into audio signal, and is sent to mixer, with bluetooth, the accompaniment signal of LINE-IN inputs
Mixing.The external sound card circuits of a USB are also equipped with receiver, by USB data line, are connected directly with computer, smart television,
K song softwares are coordinated to realize scoring and the change of voice.
When in use, the audio signal of microphone pickup, is sent to digital UHF amplifying circuits, amplified to remove modulation number
Word signal, sends after encoded, and MCU is used for controlling the start and close of microphone, channel switching, and by current channel information
It is sent to display circuit to show, the voltage that power circuit stablizes battery booster to 2.8V, for MCU, TX radiating circuits, display electricity
Road etc. powers.
After UHF receiving circuits receive signal, audio signal is reduced into by DAC circuit, and be sent to signal processing circuit
Amplification, and mixer is sent to, with bluetooth, the accompaniment signal mixing of LINE-IN inputs, after mixing, is exported by D3.5 earphone bases
Amplify to sound equipment, restore sound, realize KTV functions, in addition, after mixer, plus the external sound card circuits of USB, Ke Yitong
USB data line is crossed, is connected directly with computer, smart television etc., coordinates K song software APP, my such as cruel K sings software, is sung in realization
While song, the functions such as scoring, the change of voice can also be realized.
This portable wireless bluetooth KTV systems, when use, are easy to carry, and the wide model of use scope, price is relatively low, makes full use of
The smart mobile phone of present human hand one.The beneficial effects of the utility model are：The utility model adapts to the at full speed of electronic technology
Development, as long as installing a K song softwares on mobile phone, plus a very common multimedia loudspeaker box, uses this nothing
Line portable blue-tooth KTV systems, need only use seldom fund, it is possible to amusement of singing at any time.
As shown in figure 3, U1 is signal modulation and digital signal transmission circuit, the amplification of microphone signal, AD conversion, letter are completed
Number modulation, and the transmitting of UHF signals, U2 are MCU, for completing the tranmitting frequency of control U1, and current demand signal are sent to number
Code pipe is shown.U3 is DC-DC booster circuit, by cell voltage stabilization in 2.8V.
As shown in figure 4, U5, U7 are respectively intended to receive the microphone A of different frequency range, the UHF signals of microphone B, signal receives
Afterwards, it is output to U8 and does the single-ended amplification of balance turn, the signal of U8 amplifications, is sent to U3 and does reverberation processing, beautify sound, be then delivered to
U6, the accompaniment signal brought with U1 Bluetooth chips do Hybrid amplifier, sound equipment are output to by JK1, realize the function of KTV.Outside
The signal of input is input to chip U1 by JACK1, U6 is inputted after switching control, then be output to sound equipment by JK1.Power supply
The charging adapter of mobile phone can be used.Or mobile power power supply.
The above, is only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any change or replacement expected without creative work, should be covered within the scope of the utility model.
Therefore, the scope of protection of the utility model should be determined by the scope of protection defined in the claims.
Claims (5)
- A kind of 1. portable mobile wireless sing accompanying system, it is characterised in that：Including more than one microphone, receiver, external subwoofer group Into K sing system, the K song system have one accompaniment input terminal, it is described accompaniment input terminal for LINE-IN input or bluetooth companion Input is played, external equipment inputs audio sound by bluetooth and the Bluetooth chip Bluetooth matching of receiver, more than one microphone, LINE-IN is inputted or bluetooth accompaniment input accompaniment sound, and is mixed by the mixer in receiver, after mixing, passes through D3.5 earphone bases are output to external subwoofer amplification, restore sound.
- 2. portable mobile wireless sing accompanying system as claimed in claim 1, it is characterised in that：Microphone more than one includes One MCU, digital UHF amplifying circuits, TX radiating circuits, channel display circuit and power circuit.
- 3. portable mobile wireless sing accompanying system as claimed in claim 2, it is characterised in that：The moving-coil type of more than one microphone is picked up Sound device, when in use, the audio signal of microphone pickup, is sent to digital UHF amplifying circuits, amplified to go to modulate digital letter Number, sent after encoded, and current channel information is sent to channel display circuit and is shown, power circuit is by battery liter It is pressed onto the voltage of 2.8V stabilizations.
- 4. portable mobile wireless sing accompanying system as claimed in claim 1, it is characterised in that：The receiver is received including a UHF Circuit, DAC circuit, mixer and signal processing circuit, after UHF receiving circuits receive signal, are reduced into by DAC circuit Audio signal, and signal processing circuit amplification is sent to, and mixer is sent to, with bluetooth, the accompaniment signal of LINE-IN inputs mixes Close.
- 5. portable mobile wireless sing accompanying system as claimed in claim 1, it is characterised in that：One is also equipped with the receiver The external sound card circuits of USB, by USB data line, are connected directly with computer, smart television, coordinate K song software realize scoring and The change of voice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721330750.0U CN207352955U (en) | 2017-10-16 | 2017-10-16 | A kind of portable mobile wireless sing accompanying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721330750.0U CN207352955U (en) | 2017-10-16 | 2017-10-16 | A kind of portable mobile wireless sing accompanying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207352955U true CN207352955U (en) | 2018-05-11 |
Family
ID=62354732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721330750.0U Expired - Fee Related CN207352955U (en) | 2017-10-16 | 2017-10-16 | A kind of portable mobile wireless sing accompanying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207352955U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110267164A (en) * | 2019-06-24 | 2019-09-20 | 杨晓谦 | A kind of double-tone simultaneous interpretation sound system and double-tone simultaneous interpretation sound equipment |
-
2017
- 2017-10-16 CN CN201721330750.0U patent/CN207352955U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110267164A (en) * | 2019-06-24 | 2019-09-20 | 杨晓谦 | A kind of double-tone simultaneous interpretation sound system and double-tone simultaneous interpretation sound equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 Termination date: 20191016 |