One-to-four wireless microphone conference system for wireless interconnection talkback and communication method

Abstract

The invention discloses a one-to-four wireless microphone conference system and communication method for wireless interconnection talkback, and the system comprises a computer or mobile phone intelligent terminal, a wireless microphone RX terminal, a plurality of wireless microphones, and a plurality of earphones. The computer or mobile phone intelligent terminal can realize a far-end conversation function, uploads a local conversation condition to a network through the computer or mobile phone intelligent terminal, and uploads the local conversation to different places at home and abroad through the Internet. According to the system, one wireless microphone RX terminal can be used for realizing wireless interconnection with a plurality of wireless microphones, and audio signals are received and transmitted in an LE Audio RX radio frequency mode. Especially, each wireless microphone is provided with a control key, so that the corresponding wireless microphone can be used as a host or a slave to be matched with Type-C earphones one by one, and wireless interconnection talkback can be realized.

Description

Technical Field

[0001] The present invention relates to the field of wireless interconnected intercom technology, and in particular to a one-to-four wireless microphone conference system and a communication method for wireless interconnected intercom. Background Art

[0002] The Chinese invention patent with patent number CN203057420U discloses a new type of wireless microphone, which includes a microphone housing, a collar clip fixedly connected to the microphone housing, an ear hook bracket connected to the microphone housing on one side of the collar clip, and a perforation is also provided on the microphone housing. This new type of wireless microphone combines ear hooks, collar clips, chest hooks and other usage methods together, providing different wearing methods on one microphone, so users can independently choose one of the wearing methods according to their actual situation, achieving the technical effect of being easy to use and meeting the personalized needs of users.

[0003] However, the above microphones are generally used alone and are not suitable for team use. With the market demand, online live streaming is becoming more and more popular, and most online live streaming is done in a team manner. The existing wireless microphone products on the market have a single function. Wireless microphones can only collect sound, but cannot hear the sound coming in. The communication during the team live streaming process is not smooth enough, which has serious limitations on the use of the product. In addition, the existing stand-alone microphones cannot form a conference system. Summary of the invention

[0004] In view of this, the present invention aims at the deficiencies of the prior art, and its main purpose is to provide a one-to-four wireless microphone conference system and communication method with wireless interconnected intercom, which is suitable for team use and realizes one-to-four wireless interconnected intercom to form a conference system, thereby overcoming the deficiencies of the prior art.

[0005] To achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A one-to-four wireless microphone conference system for wireless interconnected intercom, comprising a computer or mobile phone intelligent terminal, a wireless microphone RX terminal, a plurality of wireless microphones, and a plurality of headphones, each wireless microphone being provided with a control button;

[0007] The wireless microphone RX terminal is provided with a first LEAudio RX radio frequency module, and each wireless microphone is provided with a second LEAudio TX / RX radio frequency module. The computer or mobile phone intelligent terminal is electrically connected to the wireless microphone RX terminal, the first LEAudio RX radio frequency module is wirelessly interconnected with each microphone LEAudio TX / RX radio frequency module, and each microphone is interconnected with each corresponding earphone.

[0008] As a preferred solution, there are four wireless microphones, namely, a first wireless microphone, a second wireless microphone, a third wireless microphone, and a fourth wireless microphone; the corresponding four headphones are Type-C headphones, namely, a first Type-C headphone, a second Type-C headphone, a third Type-C headphone, and a fourth Type-C headphone; the first wireless microphone is wirelessly connected to the first Type-C headphone, the second wireless microphone is wirelessly connected to the second Type-C headphone, the third wireless microphone is wirelessly connected to the third Type-C headphone, and the fourth wireless microphone is connected to the fourth Type-C headphone.

[0009] As a preferred solution, the wireless microphone RX terminal is provided with a USB interface, which can be plugged and unplugged connected to a computer or mobile phone intelligent terminal through the USB interface.

[0010] As a preferred solution, several wireless microphones have the same structure, including a housing and a lithium battery, a microphone, and a USB interface arranged on the housing.

[0011] As a preferred solution, an earphone control circuit board is provided in the shell, and a lithium battery protection circuit and a battery charging circuit are provided on the earphone control circuit board; one end of the lithium battery protection circuit is connected to the lithium battery, and the other end is connected to the battery charging circuit, and the battery charging circuit is electrically connected to the USB interface.

[0012] As a preferred solution, the headphone control circuit board is provided with a second LE Audio TX / RX RF module and a sound collection circuit, one end of the sound collection circuit is electrically connected to the corresponding microphone, and the other end is electrically connected to the corresponding second LE Audio TX / RX RF module, the USB interface is electrically connected to the second LE Audio TX / RX RF module through a battery charging circuit, and the lithium battery is electrically connected to the second LE Audio TX / RX RF module through a lithium battery protection circuit, and the output of the second LE Audio TX / RX RF module is electrically connected to the USB interface.

[0013] As a preferred solution, the shell includes a shell body and a shell cover, the shell body and the shell cover together enclose a storage cavity, and the earphone control circuit board is placed in the storage cavity.

[0014] As a preferred solution, a first wireless charging coil is provided on the shell; each wireless microphone is stored in the earphone charging compartment, a plurality of rechargeable batteries are provided on the earphone charging compartment, and a second wireless charging coil is provided on each rechargeable battery. The first wireless charging coil is inductively charged when the second wireless charging coil is in contact with each other.

[0015] As a preferred solution, the control buttons are arranged on the housing of each wireless microphone.

[0016] As a preferred solution, the wireless microphone RX terminal is provided with a USB interface and a first LE Audio RX radio frequency module, and the USB interface is electrically connected to the first LE Audio RX radio frequency module.

[0017] Compared with the prior art, the present invention has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical scheme that the one-to-four wireless microphone conference system of the present invention for wireless interconnected intercom includes a computer or mobile phone smart terminal, a wireless microphone RX terminal, several wireless microphones, and several headphones. The computer or mobile phone smart terminal can realize the remote call function, upload the local conversation situation to the network through the computer or mobile phone smart terminal, and then upload the local conversation to different places at home and abroad through the Internet. This system can use a wireless microphone RX terminal to realize wireless interconnection with multiple wireless microphones, and send and receive audio signals in the form of LE Audio RX radio frequency. In particular, each wireless microphone is provided with a control button to realize the corresponding wireless microphone as a host or slave, and then pair the Type-C headphones one by one, so that wireless interconnection and intercom can be achieved.

[0018] In order to more clearly illustrate the structural features and effects of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional schematic diagram of a wireless microphone placed in a charging compartment according to an embodiment of the present invention.

[0020] Figure 2 This is a front view of a wireless microphone placed in a charging compartment according to an embodiment of the present invention.

[0021] Figure 3 This is a front view of the wireless microphone in an embodiment of the present invention placed in a charging compartment in an open state.

[0022] Figure 4 yes Figure 3 Right view of .

[0023] Figure 5 yes Figure 4 Schematic diagram of AA.

[0024] Figure 6 It is an exploded view of the wireless microphone and the charging case of an embodiment of the present invention.

[0025] Figure 7 The present invention is a block diagram of a one-to-four wireless microphone conference system for wireless interconnected intercom according to an embodiment of the present invention.

[0026] Figure 8 It is a structural block diagram of a wireless microphone RX terminal according to an embodiment of the present invention.

[0027] Fig. 9 It is a structural block diagram of a wireless microphone according to an embodiment of the present invention.

[0028] Description of the accompanying drawings:

[0029] 10. Intelligent terminal 20. Wireless microphone RX terminal

[0030] 21. First LE Audio RX RF module 22. First USB interface

[0031] 30. Wireless Microphone

[0032] 301, first wireless microphone 302, second wireless microphone

[0033] 303, third wireless microphone 304, fourth wireless microphone

[0034] 31. Shell 311. Shell body

[0035] 312, shell cover 312, storage cavity

[0036] 32. Lithium battery 33. Microphone

[0037] 34. Second USB interface 35. First wireless charging coil

[0038] 36. Earphone control circuit board 361. Lithium battery protection circuit

[0039] 362. Battery charging circuit 363. Sound collection circuit

[0040] 364, second LE Audio TX / RX RF module 37, control buttons

[0041] 40. Headphones

[0042] 401, first Type-C earphone 402, second Type-C earphone

[0043] 403, third Type-C earphone 404, fourth Type-C earphone

[0044] 50. Earphone charging compartment 51. Compartment body

[0045] 511, outer compartment 512, inner lining

[0046] 513, decorative ring 514, microphone compartment

[0047] 52. Bin cover 53. Rotating shaft

[0048] 54. Rechargeable battery 541. Second wireless charging coil. DETAILED DESCRIPTION

[0049] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0050] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0051] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0052] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0053] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0054] Please refer to Figures 1 to 9 As shown, it shows the specific structure of the preferred embodiment of the present invention, which is a one-to-four wireless microphone conference system for wireless interconnected intercom, which includes a computer or mobile phone intelligent terminal 10, a wireless microphone RX terminal 20, several wireless microphones 30, and several headphones 40.

[0055] Among them, the wireless microphone RX terminal 20 is provided with a first LE Audio RX RF module 21, and each wireless microphone 30 is provided with a second LE Audio TX / RX RF module 364. The computer or mobile phone intelligent terminal 10 is electrically connected to the wireless microphone RX terminal 20, and the first LE Audio RX RF module 21 is wirelessly interconnected with the second LE Audio TX / RX RF module 364 of each wireless microphone 30, and each wireless microphone 30 is interconnected with the corresponding headset 40.

[0056] When working, the corresponding wireless microphone 30 (one of the wireless microphones) collects external sound signals, which are processed by the sound collection circuit 363 and then wirelessly transmitted to the RX receiving terminal and other wireless microphones 30 after LE-Audio encoding; during uplink communication, the wireless microphone RX terminal 20 receives the data transmitted by the wireless microphone 30 (one of the wireless microphones), which is transmitted to the computer or mobile phone smart terminal 10 through the UAC protocol after LE-Audio decoding. During downlink communication, the wireless microphone 30 (one of the wireless microphones) receives the data transmitted by the receiving wireless microphone RX terminal 20 or other wireless microphones 30, which is output to the corresponding earphone 40 after LE-Audio decoding.

[0057] In this embodiment, Figure 7 As shown, there are four wireless microphones 30, namely, the first wireless microphone 301, the second wireless microphone 302, the third wireless microphone 303, and the fourth wireless microphone 304; the corresponding four earphones 40 are Type-C earphones, namely, the first Type-C earphone 401, the second Type-C earphone 402, the third Type-C earphone 403, and the fourth Type-C earphone 404; the first wireless microphone 301 is connected to the first Type-C earphone 401, the second wireless microphone 302 is wirelessly connected to the second Type-C earphone 402, the third wireless microphone 303 is wirelessly connected to the third Type-C earphone 403, and the fourth wireless microphone 304 is wirelessly connected to the fourth Type-C earphone 404. It can be seen that each wireless microphone 30 corresponds to its own Type-C earphone 40. When a user wears the Type-C earphone 40, he can hear the sound collected / received by the wireless microphone 30 wirelessly connected to the Type-C earphone 40, and make a call through the corresponding wireless microphone 30.

[0058] like Figure 3 and Figure 6 As shown, the structures of the plurality of wireless microphones 30 are the same, and each wireless microphone 30 is stored in the earphone charging compartment 50. Figures 1 to 6As shown, the earphone charging compartment 50 is a rectangular parallelepiped structure formed by a compartment body 51 and a compartment cover 52. The compartment cover 52 is hinged to the compartment body 51 through a rotating shaft 53. When the user needs to use it, one to four wireless microphones 30 are taken out from the compartment body 51. The compartment body 51 includes an outer compartment 511, an inner lining 512 and a decorative ring 513; the inner lining 512 is arranged in the outer compartment 511, and four microphone compartments 514 for accommodating wireless microphones 30 are arranged on the inner lining 512; and a corresponding rechargeable battery 54 is arranged on the side of each microphone compartment 514.

[0059] Each wireless microphone 30 includes a housing 31, a lithium battery 42, a microphone pickup unit 33, and a second USB interface 34 disposed on the housing 31. Figure 6 As shown, the housing 31 includes a housing body 311 and a housing cover 312. The housing body 311 and the housing cover 312 are enclosed together to form a storage cavity 313. The earphone control circuit board 36 is placed in the storage cavity 313. Figure 6 As shown, the housing 31 is provided with a first wireless charging coil 35; each wireless microphone 30 is stored in an earphone charging compartment 50, the earphone charging compartment 50 is provided with a plurality of rechargeable batteries 54, each rechargeable battery 54 is provided with a second wireless charging coil 541, and the first wireless charging coil 35 and the second wireless charging coil 541 are inductively charged when they are in contact with each other.

[0060] like Fig. 9 As shown, the housing 31 is provided with an earphone control circuit board 36, and a lithium battery protection circuit 361 and a battery charging circuit 362 are provided on the earphone control circuit board 36; one end of the lithium battery protection circuit 361 is connected to the lithium battery 42, and the other end is connected to the battery charging circuit 362, and the battery charging circuit 362 is electrically connected to the second USB interface 34. The earphone control circuit board 36 is provided with a second LE Audio TX / RX RF module 364 and a sound collection circuit 363, one end of the sound collection circuit 363 is electrically connected to the corresponding microphone pickup unit 33, and the other end is electrically connected to the corresponding second LE Audio TX / RX RF module 364, the second USB interface 34 is electrically connected to the second LE Audio TX / RX RF module 364 through the battery charging circuit 362, and the lithium battery 42 is also electrically connected to the second LE Audio TX / RX RF module 364 through the lithium battery protection circuit 361, and the output of the second LE Audio TX / RX RF module 364 is electrically connected to the second USB interface 34. Through such a circuit design, the lithium battery 42 or the second USB interface 34 can power the second LE Audio TX / RX RF module 364 .

[0061] like Figure 6As shown, a control button 3747 is provided on the housing 31 of each wireless microphone 30 , and the corresponding wireless microphone 30 can be set as a main microphone pickup unit 33 or a slave microphone pickup unit 33 through the control button.

[0062] In one embodiment, when the first wireless microphone 301 is set as the main microphone pickup unit 33, the first wireless microphone 301 collects external sound signals, which are processed by the sound collection circuit 363 and then wirelessly transmitted to the wireless microphone RX terminal 20 and other wireless microphones 30 after being encoded by LE-Audio: the second wireless microphone 302, the third wireless microphone 303, and the fourth wireless microphone 304;

[0063] The wireless microphone RX terminal 20 receives the data transmitted from the first wireless microphone 301, and after LE-Audio decoding, transmits it to the computer or mobile smart terminal 10 through the UAC protocol. The second wireless microphone 302, the third wireless microphone 303, and the fourth wireless microphone 304 receive the data transmitted from the wireless microphone RX terminal 20 or the first wireless microphone 301, and after LE-Audio decoding, output it to the corresponding second, third, and fourth Type-C headphones 402, 403, and 404, thereby forming a wireless intercom system.

[0064] In other applications, the second, third or fourth wireless microphone 302, 303, 304 can also be set as the main microphone pickup unit 33 by controlling the button 3747 on the housing 31 of each wireless microphone 30. Only one of the wireless microphones 30 is allowed to be the host at a time. When the control button 3747 of the second wireless microphone 302 is pressed, the other three wireless microphones 30 automatically form the slave microphone pickup units 33, so that the four wireless microphones 30 can form a wireless interconnected intercom.

[0065] like Figure 8 As shown, the wireless microphone RX terminal 20 is provided with a first USB interface 22, which is pluggable and connected to the computer or mobile phone smart terminal 10 through the first USB interface 22. More specifically, as Figure 8 As shown, the wireless microphone RX terminal 20 is provided with a first USB interface 22 and a first LEAudio RX radio frequency module 21 , and the USB interface is electrically connected to the first LEAudio RX radio frequency module 21 .

[0066] In summary, the design focus of the present invention is a one-to-four wireless microphone conference system for wireless interconnected intercom, which is composed of a computer or mobile phone intelligent terminal 10, a wireless microphone RX terminal 20, a plurality of wireless microphones 30, and a plurality of headphones 40. The computer or mobile phone intelligent terminal 10 can realize the remote call function, upload the local conversation situation to the network through the computer or mobile phone intelligent terminal 10, and then upload the local conversation to different places at home and abroad through the Internet. This system can use a wireless microphone RX terminal 20 to realize wireless interconnection with multiple wireless microphones 30, and send and receive audio signals in the form of LEAudio RX radio frequency. In particular, each wireless microphone 30 is provided with a control button 3747 to realize the corresponding wireless microphone 30 as a host or slave, and then pair the Type-C headphones 40 one by one, so that wireless interconnection and intercom can be achieved.

[0067] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any slight modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A one-to-four wireless microphone conference system for wireless interconnected intercom, comprising a computer or mobile phone intelligent terminal (10), characterized in that: It also includes a wireless microphone RX terminal (20), a plurality of wireless microphones (30), and a plurality of headphones (40), each wireless microphone (30) being provided with a control button (37) for controlling the corresponding wireless microphone to be a host or a slave; The wireless microphone RX terminal (20) is provided with a first LE Audio RX radio frequency module (21), and each wireless microphone (30) is provided with a second LE Audio TX / RX radio frequency module (364). The computer or mobile phone intelligent terminal (10) is electrically connected to the wireless microphone RX terminal (20), the first LE Audio RX radio frequency module (21) and the second LE Audio TX / RX radio frequency module (364) of each wireless microphone (30) are wirelessly interconnected, and each wireless microphone (30) is interconnected with each corresponding earphone (40).

2. According to claim 1, a one-to-four wireless microphone conference system for wireless interconnected intercom is characterized by: There are four wireless microphones (30), namely a first wireless microphone (301), a second wireless microphone (302), a third wireless microphone (303), and a fourth wireless microphone (304); the corresponding four earphones (40) are Type-C earphones, namely a first Type-C earphone (401), a second Type-C earphone (402), a third Type-C earphone (403), and a fourth Type-C earphone (404); the first wireless microphone (301) is wirelessly connected to the first Type-C earphone (401), the second wireless microphone (302) is wirelessly connected to the second Type-C earphone (402), the third wireless microphone (303) is wirelessly connected to the third Type-C earphone (403), and the fourth wireless microphone (304) is wirelessly connected to the fourth Type-C earphone (404).

3. According to claim 1, a one-to-four wireless microphone conference system for wireless interconnected intercom is characterized by: The wireless microphone RX terminal (20) is provided with a first USB interface (22), and is pluggably connected to a computer or mobile phone intelligent terminal (10) via the first USB interface (22).

4. According to claim 1, a one-to-four wireless microphone conference system for wireless interconnected intercom is characterized by: The structures of the plurality of wireless microphones (30) are the same, and all include a housing (31), a lithium battery (32) arranged on the housing (31), a microphone (33), and a second USB interface (34).

5. According to claim 4, a one-to-four wireless microphone conference system for wireless interconnected intercom is characterized by: An earphone control circuit board (36) is provided in the housing (31), and a lithium battery protection circuit (361) and a battery charging circuit (362) are provided on the earphone control circuit board (36); one end of the lithium battery protection circuit (361) is connected to the lithium battery (32), and the other end is connected to the battery charging circuit (362), and the battery charging circuit (362) is electrically connected to the second USB interface (34).

6. The one-to-four wireless microphone conference system for wireless interconnected intercom according to claim 5 is characterized by: The earphone control circuit board (36) is provided with a second LE Audio TX / RX radio frequency module (364) and a sound collection circuit (363); one end of the sound collection circuit (363) is electrically connected to the corresponding microphone pickup unit 33, and the other end is electrically connected to the corresponding second LE Audio TX / RX radio frequency module (364); the second USB interface (34) is electrically connected to the second LE Audio TX / RX radio frequency module (364) through a battery charging circuit (362); and the lithium battery (32) is also electrically connected to the second LE Audio TX / RX radio frequency module (364) through a lithium battery protection circuit (361); and the output of the second LE Audio TX / RX radio frequency module (364) is electrically connected to the second USB interface (34).

7. The one-to-four wireless microphone conference system for wireless interconnected intercom according to claim 4 is characterized by: The housing (31) comprises a housing body (311) and a housing cover (312); the housing body (311) and the housing cover (312) together enclose a storage cavity (312); the earphone control circuit board (36) is placed in the storage cavity (312).

8. The one-to-four wireless microphone conference system for wireless interconnected intercom according to claim 4 is characterized by: The housing (31) is provided with a first wireless charging coil (35); each wireless microphone (30) is stored in an earphone charging compartment (50); a plurality of rechargeable batteries (54) are provided on the earphone charging compartment (50); each rechargeable battery (54) is provided with a second wireless charging coil (541); and the first wireless charging coil (45) and the second wireless charging coil (541) are inductively charged when they are in contact with each other.

9. The one-to-four wireless microphone conference system for wireless interconnected intercom according to claim 1, characterized in that: The wireless microphone RX terminal (20) is provided with a first USB interface (22) and a first LE Audio RX radio frequency module (21), and the first USB interface (22) is electrically connected to the first LE Audio RX radio frequency module (21).

10. A communication method for a one-to-four wireless microphone conference system with wireless interconnected intercom, based on the one-to-four wireless microphone conference system with wireless interconnected intercom as claimed in any one of claims 1 to 9, wherein one of the plurality of wireless microphones (30) collects external sound signals, which are processed by a sound collection circuit (363) and then encoded by LE-Audio and wirelessly transmitted to a wireless microphone RX terminal (20) and other wireless microphones (30); During uplink communication, the wireless microphone RX terminal (20) receives data transmitted from one of the multiple wireless microphones (30), and after LE-Audio decoding, transmits it to the computer or mobile phone intelligent terminal (10) through the UAC protocol; during downlink communication, one of the multiple wireless microphones (30) receives data transmitted from the receiving wireless microphone RX terminal (20) or other wireless microphones (30), and after LE-Audio decoding, outputs it to the corresponding earphone (40).

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