CN110199535B - Bluetooth device capable of connecting multiple terminals simultaneously - Google Patents
Bluetooth device capable of connecting multiple terminals simultaneously Download PDFInfo
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- CN110199535B CN110199535B CN201880007590.7A CN201880007590A CN110199535B CN 110199535 B CN110199535 B CN 110199535B CN 201880007590 A CN201880007590 A CN 201880007590A CN 110199535 B CN110199535 B CN 110199535B
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- 230000005236 sound signal Effects 0.000 claims abstract description 29
- 238000004891 communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
- H04B5/48—Transceivers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/11—Allocation or use of connection identifiers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephone Function (AREA)
Abstract
A Bluetooth device capable of being connected with a plurality of terminals simultaneously comprises an antenna, a Bluetooth chip and an input/output module, wherein the Bluetooth chip comprises a master Bluetooth chip and at least one slave Bluetooth chip; the antenna is used for receiving a wireless radio frequency signal sent by the terminal, carrying a terminal identification and sending the terminal identification to the main Bluetooth chip; the master Bluetooth chip is used for receiving the terminal identification, searching a target Bluetooth chip matched with the terminal corresponding to the terminal identification in advance, and establishing a data channel between the antenna and the target Bluetooth chip, wherein the target Bluetooth chip is a master Bluetooth chip and/or a slave Bluetooth chip; the master Bluetooth chip and the slave Bluetooth chip are used for receiving wireless radio frequency signals sent by the pre-matched terminal from the antenna through the data channel, converting the wireless radio frequency signals into audio signals and outputting the audio signals to the input and output module. The invention can realize the simultaneous connection of a plurality of user terminals, is more flexible in use and brings convenience to users.
Description
Technical Field
The application relates to the technical field of Bluetooth, in particular to a Bluetooth device capable of being connected with a plurality of terminals simultaneously.
Background
Because the existing bluetooth devices (such as bluetooth earphones and bluetooth sound boxes) are designed and developed based on a privacy bluetooth protocol, when the existing bluetooth devices are connected with terminals (such as mobile phones and tablet computers), matching connection can be carried out only one by one, and one-to-one audio transmission is realized. With the rapid development of the audio industry and the popularization of internet terminal equipment, the demand of a user for simultaneously connecting a plurality of terminals to one bluetooth audio device in the audio field is stronger and stronger.
Disclosure of Invention
The application provides a bluetooth device that can connect a plurality of terminals simultaneously.
According to a first aspect, an embodiment provides a bluetooth device capable of connecting multiple terminals simultaneously, including an antenna, a bluetooth chip, and an input/output module, wherein the bluetooth chip includes a master bluetooth chip and at least one slave bluetooth chip; the antenna is used for receiving a wireless radio frequency signal sent by the terminal, carrying a terminal identification and sending the terminal identification to the main Bluetooth chip; the main Bluetooth chip is used for receiving the terminal identification, searching a target Bluetooth chip matched with the terminal corresponding to the terminal identification in advance, and establishing a data channel between the antenna and the target Bluetooth chip, wherein the data channel is used for transmitting a wireless radio frequency signal, the terminal corresponding to the terminal identification carried by the wireless radio frequency signal is matched with the target Bluetooth chip in advance, and the target Bluetooth chip is a main Bluetooth chip and/or a slave Bluetooth chip; the master Bluetooth chip and the slave Bluetooth chip are used for receiving wireless radio frequency signals sent by a pre-matched terminal from the antenna through the data channel, converting the wireless radio frequency signals into audio signals and outputting the audio signals to the input and output module; the input and output module is used for receiving the audio signals output by the main Bluetooth chip and/or the auxiliary Bluetooth chip and amplifying and outputting the audio signals.
Preferably, the master bluetooth chip is further configured to switch the slave bluetooth chip from a standby state to a sleep state when the slave bluetooth chip does not receive the radio frequency signal within a preset time.
Preferably, the master bluetooth chip is further configured to switch the slave bluetooth chip from the sleep state to the standby state when the slave bluetooth chip is in the sleep state and the master bluetooth chip receives the terminal identifier of the terminal that is matched with the slave bluetooth chip in advance.
Preferably, the bluetooth wireless communication device further comprises a first switching control module, wherein the first switching control module is connected between the antenna and each bluetooth chip and is used for controlling the connection and disconnection of the data channel between the antenna and each bluetooth chip.
Preferably, the bluetooth communication device further comprises a second switching control module, wherein the second switching control module is connected between each bluetooth chip and the input/output module and is used for controlling the connection and disconnection of the data channel between each bluetooth chip and the input/output module.
Preferably, when the antenna receives a subsequent radio frequency signal, the first switching control module closes a data channel between the antenna and a target bluetooth chip pre-matched with the terminal corresponding to the terminal identifier in the previous radio frequency signal, and closes a data channel between the antenna and a target bluetooth chip pre-matched with the terminal corresponding to the terminal identifier in the subsequent radio frequency signal.
According to the Bluetooth device capable of being connected with a plurality of terminals simultaneously, as the Bluetooth device comprises the master Bluetooth chip and the at least one slave Bluetooth chip, each Bluetooth chip can receive the wireless radio frequency signal sent by the terminal matched with the Bluetooth chip in advance from the antenna through the data channel, so that one Bluetooth device can be connected with a plurality of user terminals simultaneously, the use is more flexible, and convenience is brought to users. The invention does not change the general Bluetooth protocol, thereby not only ensuring the universality of the Bluetooth connection, but also breaking through the protocol limitation and realizing one-to-many functions. Furthermore, the number of the slave Bluetooth chips can be adjusted according to the requirements of users by sharing the antenna and the input/output module, so that the cost is controlled.
Drawings
FIG. 1 is a block diagram of an embodiment of the present invention;
fig. 2 is a schematic block diagram of another embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).
The general idea of the invention is as follows: a parallel connection mode is adopted, a main Bluetooth chip, a secondary Bluetooth chip and a plurality of single-channel Bluetooth chips are integrated together, each Bluetooth chip works independently, and each Bluetooth chip is responsible for being connected and transmitted with a terminal device (such as a mobile phone and a tablet) without mutual interference.
The first embodiment is as follows:
referring to fig. 1, a bluetooth device 10 (e.g., a bluetooth speaker, a bluetooth headset) capable of being connected to multiple terminals at the same time includes an antenna 1, a master bluetooth chip 2, a slave bluetooth chip 3, a slave bluetooth chip 4, and an input/output module 5, where the antenna 1 is configured to receive a wireless radio frequency signal sent by an external terminal (e.g., a mobile phone or a tablet), where the wireless radio frequency signal carries a terminal identifier, and send the terminal identifier to the master bluetooth chip 2;
the main Bluetooth chip 2 is used for receiving the terminal identification, searching a target Bluetooth chip matched with the terminal corresponding to the terminal identification in advance, and establishing data channels between the antenna and the target Bluetooth chip, wherein each data channel is used for transmitting a wireless radio frequency signal, the terminal corresponding to the terminal identification carried by the wireless radio frequency signal is matched with the target Bluetooth chip in advance, and the target Bluetooth chip is a main Bluetooth chip and/or a slave Bluetooth chip;
the master Bluetooth chip and the slave Bluetooth chip are used for receiving wireless radio frequency signals sent by a pre-matched terminal from the antenna through the data channel, converting the wireless radio frequency signals into audio signals and outputting the audio signals to the input and output module;
the input and output module is used for receiving the audio signals output by the main Bluetooth chip and/or the auxiliary Bluetooth chip and amplifying and outputting the audio signals.
Description of the working principle:
the bluetooth device 10 shown in the figure is to connect the mobile phone 6, the mobile phone 7 and the tablet 8, and the mobile phone and the tablet are matched with each bluetooth chip of the bluetooth device 10 in advance before connection, and if the mobile phone 6 is matched with the master bluetooth chip 2 in advance, the mobile phone 7 is matched with the slave bluetooth chip 3 in advance, and the tablet 8 is matched with the slave bluetooth chip 4 in advance.
When a mobile phone 6 sends a wireless radio frequency signal to an antenna 1 of a bluetooth device 10, the wireless radio frequency signal can carry a terminal identifier representing the mobile phone 6, the antenna sends the terminal identifier to a main bluetooth chip 2, the main bluetooth chip searches a target bluetooth chip matched with a terminal corresponding to the terminal identifier according to the terminal identifier, the target bluetooth chip refers to the main bluetooth chip 2 because the main bluetooth chip 2 is matched with the mobile phone 6, a data channel between the antenna 1 and the main bluetooth chip 2 is established at the moment, after the data channel is established, the antenna 1 sends the wireless radio frequency signal sent by the mobile phone 6 to the main bluetooth chip 2 through the data channel, and the main bluetooth chip 2 receives the wireless radio frequency signal, converts the wireless radio frequency signal into an audio signal and outputs the audio signal to an input and output module 5; the input/output module 5 receives the audio signal output by the main bluetooth chip 2, and amplifies and plays the audio signal.
When the mobile phone 6, the mobile phone 7 and the tablet 8 all send wireless radio frequency signals to the antenna 1 of the bluetooth device 10, the three different wireless radio frequency signals respectively carry terminal identifications representing the mobile phone 6, the mobile phone 7 and the tablet 8; the antenna sends the terminal identifications to a main Bluetooth chip 2, the main Bluetooth chip 2 searches a target Bluetooth chip matched with the terminal corresponding to the terminal identification according to the terminal identifications, at the moment, the main Bluetooth chip 2, a slave Bluetooth chip 3 and a slave Bluetooth chip 4 are all target Bluetooth chips, data channels from the antenna 1 to the main Bluetooth chip 2, data channels from the antenna 1 to the slave Bluetooth chip 3 and from the antenna 1 to the slave Bluetooth chip 4 are respectively established, the data channels from the antenna 1 to the main Bluetooth chip 2 are used for transmitting wireless radio-frequency signals (namely wireless radio-frequency signals carrying the identification of a mobile phone 6) sent by a mobile phone 6 matched with the main Bluetooth chip 2, the data channels from the antenna 1 to the slave Bluetooth chip 3 are used for transmitting wireless radio-frequency signals (namely wireless radio-frequency signals carrying the identification of a mobile phone 7) sent by a mobile phone 7 matched with the slave Bluetooth chip 3, the data channel from the antenna 1 to the slave bluetooth chip 4 is used for transmitting the radio frequency signal (i.e. the radio frequency signal carrying the identification of the tablet 8) transmitted from the tablet 8 matched with the slave bluetooth chip 4; the main Bluetooth chip 2 receives a wireless radio frequency signal sent by the mobile phone 6 from the antenna 1 through a data channel, converts the wireless radio frequency signal into an audio signal and outputs the audio signal to the input and output module 5; the slave Bluetooth chip 2 receives a wireless radio frequency signal sent by the mobile phone 7 from the antenna 1 through a data channel, converts the wireless radio frequency signal into an audio signal and outputs the audio signal to the input and output module 5; the slave Bluetooth chip 3 receives the wireless radio frequency signal sent by the panel 8 from the antenna 1 through the data channel, converts the wireless radio frequency signal into an audio signal and outputs the audio signal to the input and output module 5; the input/output module 5 receives the audio signals output by the main bluetooth chip 2, the slave bluetooth chip 3 and the slave bluetooth chip 4, amplifies the audio signals and outputs the amplified audio signals to the loudspeaker.
As a more preferable scheme of this embodiment, the master bluetooth chip is further configured to switch the slave bluetooth chip from the standby state to the dormant state when the slave bluetooth chip does not receive the radio frequency signal within a preset time, so as to save power and prolong a endurance time.
As a more preferable solution of this embodiment, the master bluetooth chip is further configured to switch the slave bluetooth chip from the sleep state to the standby state when the slave bluetooth chip is in the sleep state and the master bluetooth chip receives the terminal identifier of the terminal that is matched with the slave bluetooth chip in advance.
As a more preferable scheme of this embodiment, the bluetooth communication device further includes a first switching control module, where the first switching control module is connected between the antenna and each bluetooth chip and is used to control on/off of a data channel between the antenna and each bluetooth chip.
As a more preferable scheme of this embodiment, the bluetooth communication device further includes a second switching control module, where the second switching control module is connected between the input/output module and each bluetooth chip, and is used to control on/off of a data channel between the input/output module and each bluetooth chip.
As a more preferable scheme of this embodiment, when the antenna receives a subsequent radio frequency signal, the first switching control module closes a data channel between the antenna and a target bluetooth chip pre-matched with the terminal corresponding to the terminal identifier in the previous radio frequency signal, and closes a data channel between the antenna and a target bluetooth chip pre-matched with the terminal corresponding to the terminal identifier in the subsequent radio frequency signal. For example: when the antenna transmits the wireless radio frequency signal sent by the mobile phone 6 to the master bluetooth chip 2 in advance, the antenna receives the subsequent wireless radio frequency signal sent by the mobile phone 7, and the first switching control module closes the data channel between the antenna 1 and the master bluetooth chip 2 and switches on the data channel between the antenna 1 and the slave bluetooth chip 2, so as to transmit the subsequent wireless radio frequency signal sent by the mobile phone 7 to the slave bluetooth chip.
Example two:
referring to fig. 2, a bluetooth device 10 capable of connecting multiple terminals simultaneously includes an antenna 1, a first switching control module 2, a master bluetooth chip, N slave bluetooth chips, a second switching control module 3, and an input/output module 4, where the roles and operating principles of the antenna, the master bluetooth chip, the slave bluetooth chips, and the input/output module are the same as those of the bluetooth device shown in the first embodiment, except that the number of the slave bluetooth chips in this embodiment is different from that in the first embodiment, but the number of the added slave bluetooth chips does not affect the operating principle of hardware, and in addition, a first switching control module and a second switching control module are added in this embodiment, and the first switching control module is connected between the antenna and each bluetooth chip and used for controlling the on-off of a data channel between the antenna and each bluetooth chip. The second switching control module is connected between the input/output module and each Bluetooth chip and is used for controlling the on-off of a data channel between the input/output module and each Bluetooth chip. The second embodiment shows that the number of the secondary bluetooth chips can be adjusted according to the actual needs of the user, and the purpose of saving cost is achieved.
In one embodiment, the first switching control module may not perform turn-off control on the accessed wireless radio frequency signal, and directly forwards all the wireless radio frequency chips to the bluetooth chip corresponding to the signal, and in another embodiment, when the antenna receives a subsequent wireless radio frequency signal, the first switching control module closes a data channel between the antenna and a target bluetooth chip pre-matched with the terminal corresponding to the terminal identifier in the previous wireless radio frequency signal, and closes a data channel between the antenna and a target bluetooth chip pre-matched with the terminal corresponding to the terminal identifier in the subsequent wireless radio frequency signal.
Similarly, in one embodiment, the second switching control module may not perform turn-off control on the audio signal output by the bluetooth chip, and directly output all the audio signals to the input/output module.
In addition, when the number of the terminal devices is changed, the first switching control module can control the working state of the secondary Bluetooth chip according to the requirement. If the number of the terminal devices is increased, a new slave Bluetooth chip is started through the first switching control module, and connection of a larger number of terminals is achieved.
It should be noted that when the bluetooth device of the embodiment shown in fig. two is used, the number M of the terminals is less than or equal to the number of N +1 bluetooth chips.
The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.
Claims (3)
1. A Bluetooth device capable of being connected with a plurality of terminals simultaneously is characterized by comprising an antenna, Bluetooth chips and an input/output module, wherein the Bluetooth chips comprise a master Bluetooth chip and at least one slave Bluetooth chip;
the antenna is used for receiving a wireless radio frequency signal sent by the terminal, carrying a terminal identification and sending the terminal identification to the main Bluetooth chip;
the main Bluetooth chip is used for receiving the terminal identification, searching a target Bluetooth chip matched with the terminal corresponding to the terminal identification in advance, and establishing a data channel between the antenna and the target Bluetooth chip, wherein the data channel is used for transmitting a wireless radio frequency signal, the terminal corresponding to the terminal identification carried by the wireless radio frequency signal is matched with the target Bluetooth chip in advance, and the target Bluetooth chip is a main Bluetooth chip and/or a slave Bluetooth chip;
the master Bluetooth chip and the slave Bluetooth chip are used for receiving wireless radio frequency signals sent by a pre-matched terminal from the antenna through the data channel, converting the wireless radio frequency signals into audio signals and outputting the audio signals to the input and output module;
the input/output module is used for receiving the audio signals output by the main Bluetooth chip and/or the auxiliary Bluetooth chip and amplifying and outputting the audio signals;
the master Bluetooth chip is also used for switching the slave Bluetooth chip from a standby state to a dormant state when the slave Bluetooth chip does not receive the radio frequency signal within the preset time;
the master Bluetooth chip is also used for switching the slave Bluetooth chip from the dormant state to the standby state when the slave Bluetooth chip is in the dormant state and the master Bluetooth chip receives a terminal identifier matched with the slave Bluetooth chip in advance;
the Bluetooth antenna is characterized by further comprising a first switching control module, wherein the first switching control module is connected between the antenna and each Bluetooth chip and used for controlling the on-off of a data channel between the antenna and each Bluetooth chip.
2. The bluetooth device capable of connecting multiple terminals simultaneously according to claim 1, further comprising a second switching control module, connected between each bluetooth chip and the input/output module, for controlling the connection/disconnection of data channels between each bluetooth chip and the input/output module.
3. The bluetooth device capable of being connected to multiple terminals simultaneously as claimed in claim 1, wherein when the antenna receives a subsequent radio frequency signal, the first switching control module closes the data channel between the antenna and the target bluetooth chip pre-matched with the terminal corresponding to the terminal identifier in the previous radio frequency signal, and closes the data channel between the antenna and the target bluetooth chip pre-matched with the terminal corresponding to the terminal identifier in the subsequent radio frequency signal.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2018/082567 WO2019196018A1 (en) | 2018-04-10 | 2018-04-10 | Bluetooth device capable of simultaneously connecting to multiple terminals |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110199535A CN110199535A (en) | 2019-09-03 |
| CN110199535B true CN110199535B (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880007590.7A Active CN110199535B (en) | 2018-04-10 | 2018-04-10 | Bluetooth device capable of connecting multiple terminals simultaneously |
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| Country | Link |
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| CN (1) | CN110199535B (en) |
| WO (1) | WO2019196018A1 (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111436038B (en) * | 2019-10-23 | 2023-05-05 | 珠海市杰理科技股份有限公司 | Bluetooth connection method and system, bluetooth master and slave device connection method and Bluetooth master and slave devices |
| CN110996305B (en) * | 2019-11-12 | 2024-01-05 | 宇龙计算机通信科技(深圳)有限公司 | Method and device for connecting Bluetooth equipment, electronic equipment and medium |
| CN112804667A (en) * | 2019-11-13 | 2021-05-14 | 络达科技股份有限公司 | Wireless Bluetooth audio output system and control method thereof |
| CN110995324B (en) * | 2019-12-16 | 2021-09-28 | Tcl移动通信科技（宁波）有限公司 | Bluetooth communication method, device, storage medium and terminal equipment |
| CN112601204B (en) * | 2020-12-11 | 2023-08-01 | 宜通世纪物联网研究院(广州)有限公司 | Data acquisition gateway of multichannel Bluetooth equipment and implementation method thereof |
| CN112866969B (en) * | 2021-03-09 | 2024-05-31 | 浙江恒邦电气科技有限公司 | Bluetooth connection method and connection system for multi-conversion control of tower crane |
| CN115395252A (en) * | 2021-05-19 | 2022-11-25 | 中国移动通信有限公司研究院 | Indoor distribution antenna system and positioning equipment |
| CN113411796B (en) * | 2021-06-30 | 2024-09-17 | 雅迪科技集团有限公司 | Layer-entering group type Bluetooth equipment audio transmission system, method and storage medium |
| CN113543101B (en) * | 2021-07-09 | 2024-07-16 | Oppo广东移动通信有限公司 | Audio output method, bluetooth device, mobile terminal and storage medium |
| CN115776659A (en) * | 2021-09-08 | 2023-03-10 | Oppo广东移动通信有限公司 | Audio playing control method and device, audio output equipment and storage medium |
| CN115865140A (en) * | 2021-09-24 | 2023-03-28 | Oppo广东移动通信有限公司 | Call control method and device, electronic equipment and computer readable storage medium |
| CN115442781A (en) * | 2022-05-31 | 2022-12-06 | 北京罗克维尔斯科技有限公司 | Multi-Bluetooth driving method, device, equipment, medium and vehicle |
| CN116761110B (en) * | 2023-08-18 | 2023-11-14 | 江西斐耳科技有限公司 | Multi-point bluetooth headset control method, system, storage medium and equipment |
| CN118158650B (en) * | 2024-05-08 | 2024-07-16 | 源柏(成都)科技有限公司 | Polling communication method, device, equipment and medium of low-power consumption Bluetooth equipment |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110199535A (en) | 2019-09-03 |
| WO2019196018A1 (en) | 2019-10-17 |
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