CN205356681U - Super remote wireless microphone system - Google Patents
Super remote wireless microphone system Download PDFInfo
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- CN205356681U CN205356681U CN201620068033.4U CN201620068033U CN205356681U CN 205356681 U CN205356681 U CN 205356681U CN 201620068033 U CN201620068033 U CN 201620068033U CN 205356681 U CN205356681 U CN 205356681U
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Abstract
The utility model discloses a super remote wireless microphone system, transmitter and a receiver, the transmitter is connected through wireless mode and receiver, and it still includes DSP signal amplification treater, DSP signal amplification treater with wireless audio frequency transceiver links to each other, the utility model discloses can obtain the audio signal line height quality numeral sampling of going forward side by side to carry out non -compressed wireless transmission to digital audio fluxion certificate, in the effect that receiving terminal reduction output was handled for other equipment, the wireless transmission distance can reach more than 300 meters, the ceiling lamp cover thus has a good application prospect.
Description
Technical field
This utility model relates to multi-media radio communication technical field, particularly relates to a kind of overlength distance wireless microphone system.
Background technology
Along with more and more general occurring in the middle of daily life of digital product such as the development of economic society and improving constantly of mobile communication technology level, wireless microphones.
Wireless microphone adopts Bluetooth technology or FM technology to carry out signal transmission mostly, but adopt the microphone system narrow bandwidth of Bluetooth technology, transmission range only has about ten meters, adopt the microphone system poor anti jamming capability of FM technology, to regulate transmitting in using and receive frequency, regulating inaccurate easy generation noise.And existing wireless microphone wireless transmission distance is all closer, can not meet the needs of overlength distance transmission.
In view of above-mentioned Problems existing and defect thereof, it is necessary to existing wireless microphone is made improvement.
Utility model content
For the problems referred to above, this utility model provides a kind of overlength distance wireless microphone system.
This utility model be the technical scheme is that by its technical problem of solution
A kind of overlength distance wireless microphone system, including transmitter and receiver, described transmitter is wirelessly connected with receiver；
Described transmitter includes miaow head, amplifier of microphone, volume potentiometer, analog-digital converter, wireless audio transceiver, electric power management circuit, described miaow head connects amplifier of microphone, amplifier of microphone connects volume potentiometer, volume potentiometer connection mode number converter, analog-digital converter connects wireless audio transceiver, and electric power management circuit is that transmitter is powered；
Described receiver includes wireless audio transceiver, digital to analog converter, RCA interface and electric power management circuit, and wireless audio transceiver connects digital to analog converter, and digital to analog converter connects RCA interface, and electric power management circuit is that receiver is powered；
It is characterized in that:
Described transmitter also includes DSP signal amplification processor, and described DSP signal amplification processor is connected with described wireless audio transceiver.
As further improvement of these options, the wireless transmission distance of described overlength distance wireless microphone system is 200-400 rice.
Further, the wireless transmission distance of described overlength distance wireless microphone system is 300 meters.
Further, described electric power management circuit includes power supply indicator, battery, USB charge port, switch and battery management module, and battery adopts 3.6V, and the lithium battery of capacity 450mAH, battery management module is managed from USB charge port and to the discharge and recharge of battery.
Additionally, described DSP signal amplification processor is the speech-enhancement system based on DSPTMS320VC5509A.
The beneficial effects of the utility model are: this utility model is as a kind of overlength distance wireless microphone system, including transmitter and receiver, described transmitter is wirelessly connected with receiver, it also includes DSP signal amplification processor, described DSP signal amplification processor is connected with described wireless audio transceiver, this utility model can obtain audio signal and carry out quality digital sampling, and DAB flow data is carried out uncompressed being wirelessly transferred, in the effect that receiving terminal reduction output processes for miscellaneous equipment, wireless transmission distance is up to more than 300 meters；Therefore possesses good application prospect.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Fig. 1 is this utility model theory structure schematic diagram；
Fig. 2 is transmitter principle structural representation described in the utility model；
Fig. 3 is receiver principle structural representation described in the utility model.
Detailed description of the invention
With reference to Fig. 1 Fig. 3, a kind of overlength distance wireless microphone system, including transmitter 1 and receiver 2, described transmitter 1 is wirelessly connected with receiver 2；Described transmitter 1 includes miaow head 11, amplifier of microphone 12, volume potentiometer 13, analog-digital converter 14, wireless audio transceiver 15, electric power management circuit 16, described miaow head 11 connects amplifier of microphone 12, amplifier of microphone 12 connects volume potentiometer 13, volume potentiometer 13 connection mode number converter 14, analog-digital converter 14 connects wireless audio transceiver 15, and electric power management circuit 16 is powered for transmitter 1；Described receiver 2 includes wireless audio transceiver 15, digital to analog converter 21, RCA interface 22 and electric power management circuit 16, and wireless audio transceiver 15 connects digital to analog converter 21, and digital to analog converter 21 connects RCA interface 22, and electric power management circuit 16 is powered for receiver 2；Described transmitter 1 also includes DSP signal amplification processor 17, and described DSP signal amplification processor 17 is connected with described wireless audio transceiver 15.The wireless transmission distance of overlength distance wireless microphone system is 200-400 rice.The wireless transmission distance of described overlength distance wireless microphone system is preferably 300 meters.Electric power management circuit 16 includes power supply indicator, battery, USB charge port, switch and battery management module, and battery adopts 3.6V, and the lithium battery of capacity 450mAH, battery management module is managed from USB charge port and to the discharge and recharge of battery.DSP signal amplification processor 17 is the speech-enhancement system based on DSPTMS320VC5509A.
The weak audio signal that miaow head 11 is picked up by the microphone amplifying circuit in transmitter 1 is biased and amplifies, the voltage follower circuit that audio signal after amplification is constituted through another passage of low-noise amplifier cushions, analog-digital converter 14 obtains audio system clock from wireless audio transceiver 15, and analogue signal is digitally converted, the audio stream of conversion output enters wireless audio transceiver and is transmitted, the management of charging and discharging of electric power management circuit 16 primary responsibility lithium battery and system power supply, when USB charge port connects external power source, electric power management circuit 16 can be powered by external power source by automatic switchover system, and to lithium cell charging, until being full of, without connecting external power source, electric power management circuit 16 can switch and by lithium battery, system is powered.Receiver 2 includes 15, two stereo digital to analog converters 21 of wireless audio transceiver, RCA interface 22 and electric power management circuit 16, and wireless audio transceiver 15 receives the voice data coming from four passages, and is converted into the I of two passages2S data stream exports, I2S data stream respectively enters two digital to analog converters 21 and is reduced to analogue signal, analogue signal enters RCA interface 22, for externally used, the management of charging and discharging of electric power management circuit 16 primary responsibility lithium battery and system power supply, when USB charge port connects external power source, electric power management circuit 16 can be powered by external power source by automatic switchover system, and to lithium cell charging, until being full of, without connecting external power source, electric power management circuit 16 can switch and by lithium battery, system is powered.
Above of the present utility model preferably enforcement is illustrated; certainly; this utility model can also adopt form different from the embodiment described above; and close field; these do not constitute any restriction to present embodiment; equivalent conversion that those of ordinary skill in the art make under the premise without prejudice to this utility model spirit or change accordingly, all should belong in protection domain of the present utility model.
Claims (5)
1. an overlength distance wireless microphone system, including transmitter (1) and receiver (2), described transmitter (1) is wirelessly connected with receiver (2)；
Described transmitter (1) includes miaow head (11), amplifier of microphone (12), volume potentiometer (13), analog-digital converter (14), wireless audio transceiver (15), electric power management circuit (16), described miaow head (11) connects amplifier of microphone (12), amplifier of microphone (12) connects volume potentiometer (13), volume potentiometer (13) connection mode number converter (14), analog-digital converter (14) connects wireless audio transceiver (15), and electric power management circuit (16) is powered for transmitter (1)；
Described receiver (2) includes wireless audio transceiver (15), digital to analog converter (21), RCA interface (22) and electric power management circuit (16), wireless audio transceiver (15) connects digital to analog converter (21), digital to analog converter (21) connects RCA interface (22), and electric power management circuit (16) is powered for receiver (2)；
It is characterized in that:
Described transmitter (1) also includes DSP signal amplification processor (17), and described DSP signal amplification processor (17) is connected with described wireless audio transceiver (15).
2. a kind of overlength distance wireless microphone system according to claim 1, it is characterised in that: the wireless transmission distance of described overlength distance wireless microphone system is 200-400 rice.
3. a kind of overlength distance wireless microphone system according to claim 2, it is characterised in that: the wireless transmission distance of described overlength distance wireless microphone system is 300 meters.
4. a kind of overlength distance wireless microphone system according to claim 1 or 2 or 3, it is characterized in that: described electric power management circuit (16) includes power supply indicator, battery, USB charge port, switch and battery management module, battery adopts 3.6V, the lithium battery of capacity 450mAH, battery management module is managed from USB charge port and to the discharge and recharge of battery.
5. a kind of overlength distance wireless microphone system according to claim 1, it is characterised in that: described DSP signal amplification processor (17) is the speech-enhancement system based on DSPTMS320VC5509A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620068033.4U CN205356681U (en) | 2016-01-25 | 2016-01-25 | Super remote wireless microphone system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620068033.4U CN205356681U (en) | 2016-01-25 | 2016-01-25 | Super remote wireless microphone system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205356681U true CN205356681U (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620068033.4U Active CN205356681U (en) | 2016-01-25 | 2016-01-25 | Super remote wireless microphone system |
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| Country | Link |
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| CN (1) | CN205356681U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106231456A (en) * | 2016-09-14 | 2016-12-14 | 武汉智能鸟无人机有限公司 | A kind of multiple wireless mike |
-
2016
- 2016-01-25 CN CN201620068033.4U patent/CN205356681U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106231456A (en) * | 2016-09-14 | 2016-12-14 | 武汉智能鸟无人机有限公司 | A kind of multiple wireless mike |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190308 Address after: 570203 A-009, 7th floor, Nanbao Computer City, No. 3 Nanbao Road, Meilan District, Haikou City, Hainan Province Patentee after: Hainan Zhengdong Xiong Technology Co., Ltd. Address before: 571400 Hainan Provincial Administrative Unit at County Level No. 5, Group 7, Beishan Village Committee, Boao Town, Qionghai City Patentee before: Lu Chuancai |