CN208509193U - A kind of wireless K song microphone - Google Patents
A kind of wireless K song microphone Download PDFInfo
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- CN208509193U CN208509193U CN201820254054.4U CN201820254054U CN208509193U CN 208509193 U CN208509193 U CN 208509193U CN 201820254054 U CN201820254054 U CN 201820254054U CN 208509193 U CN208509193 U CN 208509193U
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Abstract
The utility model discloses a kind of wireless K to sing microphone, including receiver, wireless microphone and wireless headset, the receiver and external intelligent terminal are electrically connected, the receiver is also wirelessly connected with the wireless microphone and wireless headset respectively, first circuit board is equipped in the receiver, the first circuit board is equipped with the first power control circuit, first wireless transceiver circuit, first audio conversion circuit and the first audio mixing circuit, first power control circuit is connect with the first wireless transceiver circuit and the first audio conversion circuit respectively, first audio conversion circuit is also connect with the first audio mixing circuit；Its effect is: being wirelessly connected respectively with receiver by wireless microphone and wireless headset, user K is allowed to make the constraint for getting rid of connecting line between microphone and equipment when singing, greatly improve product comforts of use, it allows user during live streaming or video record simultaneously, there is the space of more body language expression.
Description
Technical field
The utility model relates to microphone techniques fields, and in particular to a kind of wireless K song microphone.
Background technique
With intelligent mobile terminal product and K song class APP development, more and more users slowly get used to this
Class social platform shows oneself.But traditional K sings microphone or audio frequency effect difference or is required to wired connection end
End equipment, this allows for user can not performance heartily.And traditional wireless microphone is due to its interface and radio frequency transfer mode
Limitation, and the demand for being unable to satisfy current mobile terminal K song and singing.Traditional wireless microphone, radio frequency transmitting are basic
All it is unidirectional, i.e. simplex communication mode, the control of various audios cannot be carried out to wireless receiver from wireless microphone end, it is single
The drawbacks of work communication mode, is that music/accompaniment microphone cannot be transferred to from receiver；While conventional wireless microphone is certainly
Without audio effect processing, K song must arrange in pairs or groups other sound effect devices body, cannot be changed in real time according to the demand of user singing effect or
It is monitored in real time.
Current phone K sings microphone, and major way is that mobile phone connection tone frequency channel wire is sung to mobile phone K song microphone, then from mobile phone K
Microphone connects earphone.This mode, it is necessary to which there are two the connections of tone frequency channel wire, lead to user in use, spatially
It is fettered, mobile phone cannot be completely free of.It reduce user's comforts of use, while also weakening user's body language
On expressive space.
Summary of the invention
The purpose of this utility model is that in view of the above drawbacks of the prior art, providing a kind of wireless K song microphone solution
In the prior art by the constraint of connecting line, the not high defect of users'comfort on user's space.
A kind of technical solution that the utility model is taken are as follows: a kind of wireless K song microphone, including receiver, wireless Mike
Wind and earphone, the receiver and external intelligent terminal are electrically connected, the receiver also respectively with the wireless microphone
It is wirelessly connected with earphone, with the wired or wireless connection of the wireless microphone, first is also equipped in the receiver for the earphone
Circuit board, the first circuit board are equipped with the first power control circuit, the first wireless transceiver circuit, the first audio conversion circuit
With the first audio mixing circuit, the first power control circuit connects with the first wireless transceiver circuit and the first audio conversion circuit respectively
It connects, first audio conversion circuit is also connect with the first audio mixing circuit.
A kind of wireless K song microphone, including receiver, wireless microphone and wired earphone, the receiver and outside
Intelligent terminal is electrically connected, and the receiver and the wireless microphone are wirelessly connected, the wired earphone and the wireless wheat
Gram wind wired connection, is equipped with first circuit board in the receiver, the first circuit board be equipped with the first power control circuit,
First wireless transceiver circuit, the first audio conversion circuit and the first audio mixing circuit, the first power control circuit is respectively with
One wireless transceiver circuit and the first audio conversion circuit connection, first audio conversion circuit also with the first audio mixing circuit
Connection.
Preferably, second circuit board is equipped in the wireless microphone, the second circuit board is equipped with second source control
Circuit processed, the second audio conversion circuit, audio frequency processing circuit, the second wireless transceiver circuit, audio frequency processing circuit and the second audio
Conversion circuit connection, the second audio conversion circuit are connect with the second wireless transceiver circuit, second wireless transceiver circuit and institute
State the communication connection of the first wireless transceiver circuit.
Preferably, first power control circuit includes the first charge management circuit, the first power-switching circuit and the
One power control circuit.
Preferably, first wireless transceiver circuit includes L9020 chip and peripheral circuit and L9022 chip and periphery electricity
Road.
Preferably, first audio conversion circuit uses S909 chip and peripheral circuit.
Preferably, first audio mixing circuit includes operational amplifier, the left and right channel signal and nothing of the earphone
The output signal of line microphone is transmitted to the inverting input terminal of the operational amplifier, and a power supply signal provides biasing by resistance
It is connect after voltage with the normal phase input end of the operational amplifier, what the output end and receiver of the operational amplifier were equipped with
Earphone microphone interface JP1 connection.
Preferably, the audio frequency processing circuit uses EC009 chip, and converts respectively with wireless microphone and the second audio
Circuit connection.
By adopting the above technical scheme, have the advantage that the utility model proposes a kind of wireless K song microphone, pass through
Wireless microphone and wireless headset are wirelessly connected with receiver respectively, and user K is allowed to make between microphone and equipment when singing
The constraint for getting rid of connecting line greatly improves product comforts of use, while allowing user in live streaming or video record mistake
Cheng Zhong has the space of more body language expression.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the structural schematic diagram of another embodiment of the utility model；
Fig. 3 is the electrical schematic diagram of the first charge management circuit in the real-time example of the utility model；
Fig. 4 is the electrical schematic diagram of the first power-switching circuit in the real-time example of the utility model；
Fig. 5 is the electrical schematic diagram of the first power control circuit in the real-time example of the utility model；
Fig. 6 (a) is the electrical schematic diagram of the first wireless transceiver circuit in the real-time example of the utility model；
Fig. 6 (b) is the electrical schematic diagram of the first wireless transceiver circuit in the real-time example of the utility model；
Fig. 7 is the electrical schematic diagram of the first audio conversion circuit in the real-time example of the utility model；
Fig. 8 is the electrical schematic diagram of the first audio mixing circuit in the real-time example of the utility model；
Fig. 9 is the connection schematic diagram of interface section in the real-time example of the utility model；
Figure 10 is the functional block diagram of second circuit board in the real-time example of the utility model；
Figure 11 is the electrical schematic diagram of the real-time example sound intermediate frequency processing circuit of the utility model.
Specific embodiment
In order to keep the technical problems to be solved in the utility model, technical solution and advantage clearer, below in conjunction with attached
Figure and specific embodiment are described in detail, and the following examples illustrate the utility model, but it is practical new to be not limited to this
The range of type.
Refering to what is shown in Fig. 1, a kind of wireless K sings microphone, including receiver, wireless microphone and wireless headset, it is described to connect
It receives device and external intelligent terminal is electrically connected, the receiver also wirelessly connects with the wireless microphone and wireless headset respectively
It connects, first circuit board is equipped in the receiver, the first circuit board is equipped with the first power control circuit, the first wireless receipts
Power Generation Road, the first audio conversion circuit and the first audio mixing circuit, the first power control circuit respectively with the first wireless receiving and dispatching
Circuit and the connection of the first audio conversion circuit, first audio conversion circuit are also connect with the first audio mixing circuit.
Refering to what is shown in Fig. 2, a kind of wireless K sings microphone, including receiver, wireless microphone and wired earphone, it is described to connect
It receives device and external intelligent terminal is electrically connected, the receiver and the wireless microphone are wirelessly connected, the wired earphone
With the wireless microphone wired connection, first circuit board is equipped in the receiver, the first circuit board is equipped with first
Power control circuit, the first wireless transceiver circuit, the first audio conversion circuit and the first audio mixing circuit, the control of the first power supply
Circuit is connect with the first wireless transceiver circuit and the first audio conversion circuit respectively, and first audio conversion circuit is also with first
Audio mixing circuit connection.
The present embodiment is illustrated by external smart terminal of smart phone, wherein earphone includes wired earphone and wireless
Earphone, or the equipment such as wireless sound box can also be used, in application, by receiver, being connect when using wireless headset or wireless sound box
The audio signal of wireless microphone is received, and the accompaniment transmitted from mobile phone is mixed, while by mixed audio signal
By wirelessly transferring back to wireless microphone, wireless microphone by the transmitting voice signal of user to receiver, while from receiver
Receive microphone and the mixed audio of accompanying, and wirelessly synchronous transfer to wireless headset or wireless sound box on, adopt
When with wired earphone, then mixed audio signal is transferred on wired earphone by the earphone interface on wireless microphone,
Two kinds of transmission modes all have good real-time, reduce the delay of signal transmission, improve the usage experience of user.
Further, first power control circuit include the first charge management circuit, the first power-switching circuit and
First power control circuit.
Further, with reference to Fig. 3, the electrical schematic diagram of first charge management circuit is as shown, the first charging valve
Reason circuit includes the peripheral circuit and battery of XP5602 chip and its composition.
Further, with reference to Fig. 4, first power-switching circuit uses RT9193-33GB chip, for power supply is electric
Pressure is converted to 3.3V, for the use of other circuits.
Further, with reference to Fig. 5, first power control circuit uses LS008 chip.
Further, with reference to Fig. 6 (a) and Fig. 6 (b), first wireless transceiver circuit includes L9020 chip and periphery electricity
Road and L9022 chip and peripheral circuit, and pass through I with first power control circuit2The connection of C bus.
Further, with reference to Fig. 7, first audio conversion circuit uses S909 chip and peripheral circuit.
Further, with reference to Fig. 8, first audio mixing circuit includes operational amplifier, and the left and right of the earphone is led to
The output signal of road signal and wireless microphone is transmitted to the inverting input terminal of the operational amplifier, and a power supply signal is by electricity
Resistance is connect after providing bias voltage with the normal phase input end of the operational amplifier, the output end of the operational amplifier and reception
The earphone microphone interface JP1 connection that device is equipped with.
It further, is the connection schematic diagram of interface section in the present embodiment, interface section includes that audio connects with reference to Fig. 9
Earphone microphone interface JP1 etc. on mouth JP3 and receiver, the first voicefrequency circuit pass through selection switch S1 and the first audio mixing circuit phase
Even, the earphone microphone interface JP1 that then will be exported after audio mix, it is specific as shown in the figure.
Further, with reference to Figure 10, second circuit board is equipped in the wireless microphone, the second circuit board is equipped with
Second source control circuit, the second audio conversion circuit, audio frequency processing circuit, the second wireless transceiver circuit, audio frequency processing circuit
It is connect with the second audio conversion circuit, the second audio conversion circuit is connect with the second wireless transceiver circuit, the described second wireless receipts
Power Generation Road and first wireless transceiver circuit communicate to connect.
When implementation, the second audio conversion circuit also passes through the earphone socket being equipped with and is attached with earphone.
In the present embodiment, second source control circuit include the second charge management circuit, second source conversion circuit and
Second source control circuit, particular circuit configurations are similar with the structure that above-mentioned first power control circuit uses, herein no longer
It repeats；Simultaneously the second audio conversion circuit and the second wireless transceiver circuit, also with above-mentioned first audio conversion circuit and the first nothing
The chip that line transmission circuit uses is similar with structure, it will be understood by a person skilled in the art that details are not described herein.
Further, with reference to Figure 11, the audio frequency processing circuit uses EC009 chip, and respectively with wireless microphone and
The connection of second audio conversion circuit, specific connection relationship are as shown in the figure.
The working principle of the utility model are as follows: the audio signal outside wireless microphone reception, and audio signal is done into sound
Effect processing (including reverberation, the change of voice, modified tone and electric sound etc.), then by audio signal by radioing to receiver；Receiver
It receives after audio signal points three: one and returns to mobile phone and do recording and use；One accompaniment being transmitted through with mobile phone is defeated after mixing
The auxiliary output interface of wireless receiver is arrived out for connecting speaker；Last branch is transmitted through after the accompaniment come mixes with mobile phone to be passed through
Wireless backhaul to microphone does monitoring and uses, or radios to wireless headset and do monitoring use, and such wireless microphone and mobile phone can
To completely disengage, not by the constraint of connecting line, product comforts of use are greatly improved, while user being allowed to be broadcast live or regard
In frequency recording process, there is the space of more body language expression.
Here, it is to be noted that, the utility model relates to function, algorithm, method etc. be only the prior art routine
Adaptability application.Therefore, improvement of the utility model for the prior art, the connection relationship being substantially between hardware, rather than
Although it is related to some functions, algorithm, method for function, algorithm, method itself namely the utility model, but and does not include pair
The improvement that function, algorithm, method itself propose.Description of the utility model for function, algorithm, method, is in order to better
Illustrate the utility model, to better understand the utility model.
Finally, it should be noted that foregoing description is only specific embodiment of the present utility model, but the utility model
Protection scope is not limited thereto, the technical scope that anyone skilled in the art discloses in the utility model
Interior, any changes or substitutions that can be easily thought of, should be covered within the scope of the utility model.
Claims (9)
1. a kind of wireless K sings microphone, which is characterized in that including receiver, wireless microphone and wireless headset, the receiver
It being electrically connected with external intelligent terminal, the receiver is also wirelessly connected with the wireless microphone and wireless headset respectively,
First circuit board is equipped in the receiver, the first circuit board is equipped with the first power control circuit, the first wireless receiving and dispatching
Circuit, the first audio conversion circuit and the first audio mixing circuit, the first power control circuit are electric with the first wireless receiving and dispatching respectively
Road is connected with the first audio conversion circuit, and first audio conversion circuit is also connect with the first audio mixing circuit.
2. a kind of wireless K according to claim 1 sings microphone, which is characterized in that be equipped with the in the wireless microphone
Two circuit boards, the second circuit board be equipped with second source control circuit, the second audio conversion circuit, audio frequency processing circuit,
Second wireless transceiver circuit, audio frequency processing circuit are connect with the second audio conversion circuit, the second audio conversion circuit and the second nothing
The connection of line transmission circuit, second wireless transceiver circuit and first wireless transceiver circuit communicate to connect.
3. a kind of wireless K according to claim 1 sings microphone, which is characterized in that the first power control circuit packet
Include the first charge management circuit, the first power-switching circuit and the first power control circuit.
4. a kind of wireless K according to claim 1 sings microphone, which is characterized in that the first wireless transceiver circuit packet
Include L9020 chip and peripheral circuit and L9022 chip and peripheral circuit.
5. a kind of wireless K according to claim 1 sings microphone, which is characterized in that first audio conversion circuit is adopted
With S909 chip and peripheral circuit.
6. a kind of wireless K according to claim 1 sings microphone, which is characterized in that the first audio mixing circuit packet
Operational amplifier is included, the left and right channel signal of the earphone and the output signal of wireless microphone are transmitted to the operation amplifier
The inverting input terminal of device, a power supply signal connect after resistance provides bias voltage with the normal phase input end of the operational amplifier
It connects, the earphone microphone interface JP1 connection that the output end and receiver of the operational amplifier are equipped with.
7. a kind of wireless K according to claim 2 sings microphone, which is characterized in that the audio frequency processing circuit uses
EC009 chip, and connect respectively with wireless microphone and the second audio conversion circuit.
8. a kind of wireless K sings microphone, which is characterized in that including receiver, wireless microphone and wired earphone, the receiver
It is electrically connected with external intelligent terminal, the receiver and the wireless microphone are wirelessly connected, the wired earphone and institute
Wireless microphone wired connection is stated, first circuit board is equipped in the receiver, the first circuit board is equipped with the first power supply
Control circuit, the first wireless transceiver circuit, the first audio conversion circuit and the first audio mixing circuit, the first power control circuit
Connect respectively with the first wireless transceiver circuit and the first audio conversion circuit, first audio conversion circuit also with the first audio
Hybrid circuit connection.
9. a kind of wireless K according to claim 8 sings microphone, which is characterized in that be equipped with the in the wireless microphone
Two circuit boards, the second circuit board be equipped with second source control circuit, the second audio conversion circuit, audio frequency processing circuit,
Second wireless transceiver circuit, audio frequency processing circuit are connect with the second audio conversion circuit, the second audio conversion circuit and the second nothing
The connection of line transmission circuit, second wireless transceiver circuit and first wireless transceiver circuit communicate to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820254054.4U CN208509193U (en) | 2018-02-12 | 2018-02-12 | A kind of wireless K song microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820254054.4U CN208509193U (en) | 2018-02-12 | 2018-02-12 | A kind of wireless K song microphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208509193U true CN208509193U (en) | 2019-02-15 |
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ID=65296264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820254054.4U Active CN208509193U (en) | 2018-02-12 | 2018-02-12 | A kind of wireless K song microphone |
Country Status (1)
| Country | Link |
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| CN (1) | CN208509193U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI809645B (en) * | 2022-01-04 | 2023-07-21 | 嘉友電子股份有限公司 | Multi-mode Wireless Microphone Unit |
-
2018
- 2018-02-12 CN CN201820254054.4U patent/CN208509193U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI809645B (en) * | 2022-01-04 | 2023-07-21 | 嘉友電子股份有限公司 | Multi-mode Wireless Microphone Unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190626 Address after: 201600 6 6, Si brick road, Si Jing Town, Songjiang District, Shanghai Patentee after: Shanghai Furnace Information Technology Co., Ltd. Address before: 201600 No. 32, Lane 49, Henggang Road, Songjiang District, Shanghai 302 Patentee before: Ni Xingwei |
|
| TR01 | Transfer of patent right |