CN110677754A - Wireless microphone system with built-in MIMO module - Google Patents
Wireless microphone system with built-in MIMO module Download PDFInfo
- Publication number
- CN110677754A CN110677754A CN201911065391.4A CN201911065391A CN110677754A CN 110677754 A CN110677754 A CN 110677754A CN 201911065391 A CN201911065391 A CN 201911065391A CN 110677754 A CN110677754 A CN 110677754A
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- mimo
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- microphone system
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
- H04R2430/03—Synergistic effects of band splitting and sub-band processing
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
Abstract
The invention discloses a wireless microphone system with a built-in MIMO module, which comprises a body and a wheat head, wherein the wheat head is arranged at the top of the body; the body is internally provided with an MIMO circuit unit, and the MIMO circuit unit is provided with a multi-audio transmitting unit which can transmit a plurality of unidirectional channels outwards; a first cooperation unit is arranged in the body and connected with the MIMO circuit unit; the control center is provided with a receiving unit for receiving the multi-audio transmitting unit, the control center is provided with a second cooperation unit which can be in information connection with the first cooperation unit and can perform mutual feedback, and the second cooperation unit is connected with the receiving unit. The invention has smart design, selects effective channels to carry out multi-frequency transmission through the MIMO circuit unit and the control center, and effectively reduces unnecessary troubles caused by sound interruption due to interference in the process of using the microphone by a user.
Description
Technical Field
The present invention relates to a wireless microphone system, and more particularly, to a wireless microphone system with a built-in MIMO module.
Background
At present, wireless microphones are widely applied in various occasions, and the condition of interruption caused by mutual interference of signals is inevitable in the using process; generally, when a wireless microphone works, the wireless microphone occupies one frequency bandwidth, the bandwidth is similar to that of a plurality of lanes on a road, and the lanes in use are influenced by same-frequency interference, electromagnetic interference and intermodulation interference in a wireless space, so that the problem is solved by designing a new communication module under the condition of interruption.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide a wireless microphone system with a built-in MIMO module.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
a wireless microphone system with a built-in MIMO module comprises a body and a wheat head, wherein the wheat head is arranged at the top of the body; the body is internally provided with an MIMO circuit unit, and the MIMO circuit unit is provided with a multi-audio transmitting unit which can transmit a plurality of unidirectional channels outwards; a first cooperation unit is arranged in the body and connected with the MIMO circuit unit;
the multi-audio-frequency transmitting unit is characterized by further comprising a control center, wherein a receiving unit for receiving signals of the multi-audio-frequency transmitting unit is arranged on the control center, a second cooperation unit which can be in information connection with the first cooperation unit and can perform mutual feedback is arranged on the control center, and the second cooperation unit is connected with the receiving unit.
According to one preferable scheme of the invention, a battery bin is arranged in the body, and a power supply battery is arranged on the battery bin.
In one preferable scheme of the invention, the battery compartment comprises a first battery compartment and a second battery compartment for standby.
One preferable scheme of the present invention is that the MIMO circuit unit is connected to the power supply battery through a battery compartment, and the MIMO circuit unit is provided with an information transmitting unit that transmits information of the power supply battery to the control center.
One preferable scheme of the invention is that the control center is provided with an information feedback unit matched with the information transmitting unit.
In one preferable embodiment of the present invention, the multi-tone transmitting unit transmits two different channels to the receiving unit.
In a preferred embodiment of the present invention, the first coordination unit and the second coordination unit are both ISM wireless modules.
In one preferable embodiment of the present invention, the power supply battery is a rechargeable battery.
According to one preferable scheme of the invention, a charging interface is arranged at the bottom of the body.
In one preferable embodiment of the present invention, a display device and a control panel are disposed on an outer side surface of the body.
Compared with the prior art, the invention has the advantages that: is provided with an MIMO circuit unit, the MIMO circuit unit is provided with a multi-audio frequency transmitting unit which can transmit a plurality of unidirectional channels outwards, the multi-audio frequency transmitting unit transmits a plurality of different channels to a control center, the control center receives the information and performs information collaboration and feedback with the MIMO circuit unit through a second collaboration unit and a first collaboration unit, when one of the channels is interfered, the control center transmits and feeds back information to the MIMO circuit unit, the MIMO circuit unit changes the interfered channel until the channel is not interfered by external signals, the channel is continuously reflected to the control center after being changed, in the process, other channels transmitted to the control center by the multi-audio transmitting unit are always connected with the control center, so that the audio signals transmitted by the multi-audio transmitting unit are controlled by the control center in real time to be free from external interference, and the condition that the microphone is interrupted due to interference is prevented; the invention has smart design, selects effective channels to carry out multi-frequency transmission through the MIMO circuit unit and the control center, and effectively reduces unnecessary troubles caused by sound interruption due to interference in the process of using the microphone by a user.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a microphone according to the present invention; (not shown wheat head)
FIG. 2 is a schematic view of an inner side frame structure of a microphone according to the present invention;
FIG. 3 is a circuit diagram of a multi-tone transmitting unit according to the present invention;
FIG. 4 is a circuit diagram of a microprocessor in the microphone of the present invention;
FIG. 5 is a circuit diagram of a first cooperative unit in the present invention;
FIG. 6 is a circuit diagram of an audio input of the microphone of the present invention;
FIG. 7 is a circuit diagram of a receiving unit of the present invention;
FIG. 8 is a circuit diagram of a microprocessor in the control center of the present invention;
FIG. 9 is a circuit diagram of a second synergistic unit of the present invention;
FIG. 10 is a circuit diagram of the audio output and man-machine output of the microphone system of the present invention;
illustration of the drawings: the battery pack comprises a frame body 1, a first battery bin 2, a second battery bin 3, a first shell 4, a second shell 5, a third shell 6, a control button 7 and a through opening 8.
Detailed Description
In order to facilitate an understanding of the present invention, the present invention will be described more fully and in detail with reference to the preferred embodiments, but the scope of the present invention is not limited to the specific embodiments described below.
It should be particularly noted that when an element is referred to as being "fixed to, connected to or communicated with" another element, it can be directly fixed to, connected to or communicated with the other element or indirectly fixed to, connected to or communicated with the other element through other intermediate connecting components.
Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present invention.
Examples
As shown in fig. 1 to 10
The embodiment of the invention discloses a wireless microphone system with a built-in MIMO module, which comprises a body and a wheat head, wherein the wheat head is arranged at the top of the body; this internal MIMO circuit unit that is equipped with, be equipped with the multiple audio frequency emission unit that can outwards launch a plurality of one-way channels on the MIMO circuit unit, it is specific, the multiple audio frequency emission unit includes two audio frequency emission modules, includes audio frequency emission module one and audio frequency emission module two, and the circuit diagram of audio frequency emission module one and audio frequency emission module two can refer to fig. 3 and shows, deserves to explain, can contain more than two audio frequency emission modules in this embodiment.
In this embodiment, a first cooperative unit is disposed in the main body, and a circuit diagram of the first cooperative unit is shown in fig. 5, where the first cooperative unit is connected to the MIMO circuit unit;
in this embodiment, a microphone microprocessor and an audio input module of the microphone are disposed in the microphone, a circuit diagram of the microphone microprocessor is shown in fig. 4, the audio input module of the microphone is shown in fig. 6, and the microphone microprocessor is connected to the first cooperative unit, the MIMO circuit unit, and the audio input module of the microphone.
The wireless microphone system of the embodiment further comprises a control center, a control center microprocessor circuit unit (shown in fig. 8) is arranged in the control center, a receiving unit for receiving the signals of the multiple audio transmitting units is arranged on the control center, the circuit diagram of the receiving unit is shown in fig. 7, the receiving unit of the embodiment comprises a first receiving unit and a second receiving unit, and the first receiving unit and the second receiving unit are matched with the first audio transmitting module and the second audio transmitting module; the control center is provided with a second cooperation unit which can perform information connection with the first cooperation unit and perform mutual feedback, the second cooperation unit is connected with the receiving unit, and a circuit diagram of the second cooperation unit is shown in fig. 9.
In the present invention, the frequencies emitted by the multi-audio frequency emission unit are VHF and UHF, VHF (Very high frequency) refers to radio waves with frequencies from 30MHz to 300MHz, and UHF (ultra high frequency) refers to radio waves with frequencies from 300MHz to 3000MHz, in this embodiment, the unidirectional channel emitted by the multi-audio frequency emission unit is 200MHz to 270MHz or 600 to 900MHz, in this embodiment, the first audio frequency emission module and the second audio frequency emission module emit one channel to the outside to be received by the receiving unit, for example, the first audio frequency emission module emits 220MHz to the first receiving unit, the second audio frequency emission module emits 670MHz to the second receiving unit, when the channels emitted by the first audio frequency emission module and the second audio frequency emission module are normally connected with the receiving unit on the control center, it is said that the audio frequency emitted by the microphone is not affected by the outside, the microphone can be normally used, and in the normal use process, the audio output and man-machine output circuit diagram of the microphone system is shown in fig. 10, in which the audio output and man-machine output module in the microphone can transmit the relevant information to the playing device, the playing device can be a sound box, etc., and the sound is played through the sound box; in this embodiment, when one of the transmitting modules receives external interference, for example, the audio transmitting module two receives external information interference, at this time, the first cooperative unit and the second cooperative unit are both ISM wireless modules in this embodiment; the second coordination unit on the control center can feed back the interfered information to the first coordination unit, the first coordination unit feeds back the information to the MIMO circuit unit, and the MIMO circuit unit controls the second audio transmitting module to enable the second audio transmitting module to change the transmitting channel of the second audio transmitting module, for example, 670MHZ is changed into 680MHZ (signal without interference) and then the second audio transmitting module continues to transmit the signal outwards, so that the other transmitting modules can continue to communicate when one transmitting module is interfered; in this embodiment, it should be noted that the multi-audio transmitting unit includes more than two audio transmitting modules, and when the signal interference at a certain place is too much, more audio transmitting modules, such as the transmitting module three and the transmitting module four, can be implemented to achieve the purpose of not interfering with the microphone information.
In the invention, a frame body 1 is arranged in the body, the body comprises a first shell 4, a second shell 5 and a third shell 6, the first shell 4 is sleeved on the upper part of the frame body 1, the upper part of the first shell 4 is in threaded connection with the frame body 1, the second shell 5 is sleeved on the middle part of the frame body 1, the upper part of the second shell 5 is in threaded connection with the bottom of the first shell 4, the third shell 6 is sleeved on the lower part of the frame body 1, and the upper part of the third shell 6 is in threaded connection with the lower part of the second shell 5. A battery compartment is arranged in the body and is arranged on the frame body 1, a power supply battery is arranged on the battery compartment, specifically, the battery compartment comprises a first battery compartment 2 and a second battery compartment 3 for standby, the power supply battery is a rechargeable battery, a charging interface is arranged at the bottom of the body, a through hole 8 matched with the charging interface is arranged at the bottom surface of the third shell,
in this embodiment, the MIMO circuit unit is connected to the power supply battery through a battery compartment, the MIMO circuit unit is provided with an information transmitting unit for transmitting information of the power supply battery to the control center, the control center is provided with an information feedback unit matched with the information transmitting unit, the electric quantity of the power supply battery in the battery compartment is fed back through the information feedback unit, when the electric quantity of the power supply battery in the battery compartment is lower than a preset value, the information feedback unit feeds back the information, specifically, the outer side surface of the body is provided with a display device and a control panel, the display device can display the fed-back information, the display device can be arranged on the first shell 4 or the second shell 5, the control panel is provided with a control key 7 for controlling the microphone, but when the electric quantity of a certain battery is lower than the preset value, the information feedback unit feeds back the information to the microphone, the microphone will vibrate to prompt the user; the dry battery can be arranged in the first battery bin 2 or the second battery bin 3, and the power supply can be simultaneously or independently supplied to the microphone through the two battery bins, so that the power supply time is prolonged, and the condition that the microphone cannot be used due to the fact that the power supply in a certain battery bin is dead is prevented.
Compared with the prior art, the embodiment has the advantages that: is provided with an MIMO circuit unit, the MIMO circuit unit is provided with a multi-audio frequency transmitting unit which can transmit a plurality of unidirectional channels outwards, the multi-audio frequency transmitting unit transmits a plurality of different channels to a control center, the control center receives the information and performs information collaboration and feedback with the MIMO circuit unit through a second collaboration unit and a first collaboration unit, when one of the channels is interfered, the control center transmits and feeds back information to the MIMO circuit unit, the MIMO circuit unit changes the interfered channel until the channel is not interfered by external signals, the channel is continuously reflected to the control center after being changed, in the process, other channels transmitted to the control center by the multi-audio transmitting unit are always connected with the control center, so that the audio signals transmitted by the multi-audio transmitting unit are controlled by the control center in real time to be free from external interference, and the condition that the microphone is interrupted due to interference is prevented; the embodiment has ingenious design, and effectively selects effective channels to carry out multi-frequency transmission through the MIMO circuit unit and the control center, thereby effectively reducing unnecessary trouble caused by sound interruption due to interference in the process of using the microphone by a user.
Claims (10)
1. A wireless microphone system with a built-in MIMO module comprises a body and a wheat head, wherein the wheat head is arranged at the top of the body; the multi-channel radio frequency identification device is characterized in that an MIMO circuit unit is arranged in the body, and a multi-audio frequency transmitting unit capable of transmitting a plurality of unidirectional channels outwards is arranged on the MIMO circuit unit; a first cooperation unit is arranged in the body and connected with the MIMO circuit unit;
the multi-audio-frequency transmitting unit is characterized by further comprising a control center, wherein a receiving unit for receiving signals of the multi-audio-frequency transmitting unit is arranged on the control center, a second cooperation unit which can be in information connection with the first cooperation unit and can perform mutual feedback is arranged on the control center, and the second cooperation unit is connected with the receiving unit.
2. The wireless microphone system with the built-in MIMO module as claimed in claim 1, wherein: a battery bin is arranged in the body, and a power supply battery is arranged on the battery bin.
3. The wireless microphone system with the built-in MIMO module as claimed in claim 2, wherein: the battery compartment comprises a first battery compartment and a second battery compartment for standby.
4. A wireless microphone system with MIMO module built in according to claim 2 or 3, wherein: the MIMO circuit unit is connected with the power supply battery through a battery bin, and an information transmitting unit which transmits the information of the power supply battery to the control center is arranged on the MIMO circuit unit.
5. The wireless microphone system with the built-in MIMO module as claimed in claim 4, wherein: the control center is provided with an information feedback unit matched with the information transmitting unit.
6. The wireless microphone system with the built-in MIMO module as claimed in claim 1, wherein: the multi-tone transmitting unit transmits two different channels to the receiving unit.
7. The wireless microphone system with the built-in MIMO module as claimed in claim 1, wherein: the first coordination unit and the second coordination unit are both ISM wireless modules.
8. A wireless microphone system with MIMO module built in according to claim 2 or 3, wherein: the power supply battery is a rechargeable battery.
9. The wireless microphone system with the built-in MIMO module as claimed in claim 8, wherein: the body bottom is equipped with the interface that charges.
10. The wireless microphone system with the built-in MIMO module as claimed in claim 1, wherein: and a display device and a control panel are arranged on the outer side surface of the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911065391.4A CN110677754A (en) | 2019-11-04 | 2019-11-04 | Wireless microphone system with built-in MIMO module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911065391.4A CN110677754A (en) | 2019-11-04 | 2019-11-04 | Wireless microphone system with built-in MIMO module |
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| Publication Number | Publication Date |
|---|---|
| CN110677754A true CN110677754A (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911065391.4A Pending CN110677754A (en) | 2019-11-04 | 2019-11-04 | Wireless microphone system with built-in MIMO module |
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| CN207200911U (en) * | 2017-09-01 | 2018-04-06 | 河南讯谷科技有限公司 | A kind of KTV wireless microphone systems |
| CN108649969A (en) * | 2018-06-22 | 2018-10-12 | 恩平市恩宝电子有限公司 | A kind of radio microphone system and communication means based on dual-channel technology |
| CN110312178A (en) * | 2019-08-07 | 2019-10-08 | 王家春 | A kind of channel wireless radio multi microphone system that frequency is distributed automatically and its implementation |
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2019
- 2019-11-04 CN CN201911065391.4A patent/CN110677754A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201185199Y (en) * | 2008-01-21 | 2009-01-21 | 巨虹科技(深圳)有限公司 | Double-battery structure for mobile phone |
| CN104378533A (en) * | 2013-08-13 | 2015-02-25 | 西安开能数字信息技术有限责任公司 | Camera capable of being charged manually |
| US20160014490A1 (en) * | 2014-07-08 | 2016-01-14 | Vered Bar Bracha | Apparatus, method and system of communicating acoustic information of a distributed microphone array between mobile devices |
| CN205167970U (en) * | 2015-11-20 | 2016-04-20 | 黄志辉 | Multifunctional intelligent pen |
| CN206181302U (en) * | 2016-11-11 | 2017-05-17 | 广州东文信息科技有限公司 | Two -way automatic frequency conversion wireless microphone of digit and system |
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| CN207200911U (en) * | 2017-09-01 | 2018-04-06 | 河南讯谷科技有限公司 | A kind of KTV wireless microphone systems |
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| CN110312178A (en) * | 2019-08-07 | 2019-10-08 | 王家春 | A kind of channel wireless radio multi microphone system that frequency is distributed automatically and its implementation |
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Application publication date: 20200110 |
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