CN212752593U

CN212752593U - TWS bluetooth headset

Info

Publication number: CN212752593U
Application number: CN202021866791.3U
Authority: CN
Inventors: 王贤杰; 翁展鹏; 赖鹤林
Original assignee: Chongqing Miyin Technology Co ltd
Current assignee: Chongqing Miyin Technology Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-03-19
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses a TWS Bluetooth earphone, which comprises a main earphone, wherein the main earphone comprises an earphone shell, an earphone mainboard, an earphone battery and a loudspeaker, the earphone mainboard, the earphone battery and the loudspeaker are arranged in the earphone shell, and the earphone battery is used for supplying power to the earphone mainboard; be equipped with BLE module, codec and infrared transceiver on the earphone mainboard, BLE module is connected with codec, and codec is connected with loudspeaker and infrared transceiver respectively. The utility model has simple structure, low cost and convenient realization, is connected with external audio and video playing equipment through the BLE module and performs low-power Bluetooth data transmission, can reduce the power consumption of the Bluetooth headset compared with the classic Bluetooth data transmission, and effectively prolongs the working time of the Bluetooth headset; meanwhile, the audio signals obtained after decoding are converted into infrared audio stream signals through the infrared transceiver, so that the outward signal forwarding of the Bluetooth headset is realized, the audio sharing is realized, and the functions of the Bluetooth headset are expanded.

Description

TWS bluetooth headset

Technical Field

The utility model relates to a bluetooth headset technical field, concretely relates to TWS bluetooth headset.

Background

With the rapid development of communication technology, the bluetooth headset is more and more popular, and great convenience is brought to the life, work and study of people. The Bluetooth headsets on the market have various styles, but are generally divided into two types; one type is that two earplugs are connected through a lead, and a host module is arranged on the lead, and most earplugs of the Bluetooth headset are the same as earplugs of a common headset, namely the Bluetooth headset is a host external Bluetooth headset; the other type is an integrated Bluetooth earphone integrating a host and earplugs, the Bluetooth earphone is provided with a host shell outside the earplugs, and the mainboard and the Bluetooth module are arranged in the host shell without external leads, namely the wireless Bluetooth earphone.

With the advancement of technology and the increase of modern life demand of people, a TWS (True Wireless Stereo) bluetooth headset is widely favored because it gets rid of a connecting wire connecting from a player to a headset body. TWS bluetooth headset is worn when being particularly suitable for carrying out motion or other activities, can reduce the trouble that the line body winding brought, and is very convenient.

The traditional TWS Bluetooth headset mostly adopts classic Bluetooth for communication transmission, and the power consumption is high in the scanning connection and data transmission processes, so that the working time of the Bluetooth headset is short; and when the existing Bluetooth headset cannot realize that one audio and video playing device plays audio or video, a plurality of people can share audio streams through the Bluetooth headset.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model aims at providing a TWS bluetooth headset effectively solves among the prior art TWS bluetooth headset and adopts classic bluetooth to carry out the consumption height that communication transmission leads to, and operating time is short to and can't realize many people simultaneously through the problem of bluetooth headset sharing audio stream.

In order to achieve the above purpose, the present invention is implemented by the following technical solutions:

a TWS Bluetooth headset comprises a main headset body, wherein the main headset body comprises a headset shell, a headset main board, a headset battery and a loudspeaker, the headset main board, the headset battery and the loudspeaker are arranged in the headset shell, and the headset battery is used for supplying power to the headset main board;

a BLE module, a codec and an infrared transceiver are arranged on the earphone mainboard, the BLE module is connected with the codec, the codec is respectively connected with the loudspeaker and the infrared transceiver, wherein,

the BLE module is used for communicating with external audio and video playing equipment, receiving Bluetooth audio stream signals sent by the external audio and video playing equipment and sending the Bluetooth audio stream signals to the coder and the decoder;

the coder-decoder is used for decoding the Bluetooth audio stream signal to generate an audio signal and respectively sending the audio signal to the loudspeaker and the infrared transceiver;

the infrared transceiver is used for converting the received audio signal into an infrared audio stream signal and sending the infrared audio stream signal to the outside;

and the loudspeaker is used for playing the received audio signal.

Preferably, a memory is further arranged on the headset main board, the memory is connected with the BLE module, and the memory is used for storing audio data.

Preferably, the BLE module is a bluetooth module with model number AB5376a 2.

Preferably, the codec employs a PCM codec chip.

Preferably, the TWS bluetooth headset further comprises a secondary headset, one of the primary headset and the secondary headset is a left headset, and the other of the primary headset and the secondary headset is a right headset, and the primary headset and the secondary headset are in communication connection through the BLE module.

Preferably, the TWS bluetooth headset further comprises a charging chamber for supporting the primary and secondary headsets to charge the primary and secondary headsets in a contact conductive manner.

Preferably, the storehouse of charging include box body and rotatable lid close with lid on the box body, the upper portion fixed mounting of box body has the earphone layer board, the upper surface undercut of earphone layer board is formed with and is used for holding the main storage tank of main earphone with be used for holding the vice storage tank of vice earphone, all be equipped with the needle of charging in main storage tank and the vice storage tank, the outer wall of main earphone and vice earphone be equipped with the needle assorted contact that charges.

Preferably, the box body is provided with a rope threading through hole.

Since the technical scheme is used, the utility model discloses following beneficial effect has:

the utility model provides a TWS bluetooth headset, supply power for the earphone mainboard in the earphone shell through the earphone battery, through BLE module and external audio and video playback equipment connection and carry out the bluetooth data transmission of low-power consumption, can reduce bluetooth headset power consumption for adopting classic bluetooth transmission data, effectively prolong bluetooth headset operating time; meanwhile, the audio signals obtained after decoding are converted into infrared audio stream signals through the infrared transceiver to realize the outward signal forwarding of the Bluetooth headset, so that other Bluetooth headsets which are also provided with the infrared transceiver can receive and convert the infrared audio stream signals, a plurality of people can share audio through the Bluetooth headset at the same time, the audio sharing is realized, and the functions of the Bluetooth headset are expanded; moreover, the utility model discloses simple structure, it is with low costs, be convenient for realize.

Drawings

Fig. 1 is a schematic circuit diagram of a TWS bluetooth headset according to a preferred embodiment of the present invention;

fig. 2 is a schematic perspective view of a TWS bluetooth headset according to a preferred embodiment of the present invention;

fig. 3 is a schematic perspective view of a charging chamber according to a preferred embodiment of the present invention;

fig. 4 is a schematic perspective view of a main earphone according to a preferred embodiment of the present invention;

fig. 5 is a schematic partial sectional structural view of a main earphone in a preferred embodiment of the present invention.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In this application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present application, it is to be understood that the terms "longitudinal," "lateral," "horizontal," "top," "bottom," "upper," "lower," "inner" and "outer" and the like are used in the orientation or positional relationship shown in the drawings, which are used for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

As shown in fig. 1-5, the utility model provides a TWS bluetooth headset, which comprises a main headset 100, wherein the main headset 100 comprises a headset housing 11, a headset main board 12, a headset battery 13 and a speaker 14, the headset main board 12, the headset battery 13 and the speaker 14 are arranged in the headset housing 11, and the headset battery 13 is used for supplying power to the headset main board 12; a BLE module 121, a codec 122 and an infrared transceiver 123 are arranged on the earphone motherboard 12, the BLE module 121 is connected with the codec 122, and the codec 122 is respectively connected with the speaker 14 and the infrared transceiver 123, wherein the BLE module 121 is used for communicating with an external audio/video playing device, receiving a bluetooth audio stream signal sent by the external audio/video playing device and sending the bluetooth audio stream signal to the codec 122; the codec 122 is configured to decode the bluetooth audio stream signal to generate an audio signal, and send the audio signal to the speaker 14 and the infrared transceiver 123 respectively; the infrared transceiver 123 is configured to convert the received audio signal into an infrared audio stream signal, and send the infrared audio stream signal to the outside; and a loudspeaker 14 for playing the received audio signal.

Specifically, in the present embodiment, the codec 122 includes an encoding circuit and a decoding circuit; the infrared transceiver 123 includes an infrared receiving circuit and an infrared transmitting circuit; the decoding circuit receives the bluetooth audio stream signal sent by the BLE module 121, decodes the bluetooth audio stream signal to generate an audio signal, and sends the audio signal to the infrared sending circuit; the infrared transmitting circuit converts the received audio signal into an infrared audio stream signal and transmits the infrared audio stream signal outwards; the infrared receiving circuit receives the infrared audio stream signal, converts the received infrared audio stream signal into an audio signal and sends the audio signal to the coding circuit; the signals are encoded by the encoding circuit and then sent to the BLE module 121.

Specifically, BLE (Bluetooth Low Energy) module includes radio frequency transceiver, baseband and protocol stack, and communication between main earphone 100 and auxiliary earphone 200, the communication with external equipment are accomplished through this baseband and protocol stack, and the receiving and dispatching data is accomplished through radio frequency transceiver, and in the Bluetooth field, this content belongs to prior art, the utility model discloses do not do specifically introduce here. And in the utility model discloses in, the reason that BLE module 121 was selected for use to it lies in, TWS earphone is small usually, and the battery of large capacity can't be placed to inside, and work duration is an important index of TWS earphone, and BLE module 121 helps reducing the consumption, realizes longer earphone operating time.

In BLE, it uses a variable connection time interval, when data transmission is needed, BLE of the primary earphone 100 and BLE of the secondary earphone 200 complete one connection, disconnect after data transmission is completed, wait for next connection activation, this time interval may be as low as several milliseconds, and complete data transmission in this interval, therefore, BLE is in standby state for a longer time, and its power consumption is lower than that of classic bluetooth.

The utility model provides a TWS bluetooth headset, through earphone battery 13 for earphone mainboard 12 power supply in the earphone shell 11, through BLE module 121 with external audio and video playback device connect and carry out the bluetooth data transmission of low-power consumption, can reduce bluetooth headset power consumption for adopting classic bluetooth transmission data, effectively prolong bluetooth headset operating time; meanwhile, the decoded audio signals are converted into infrared audio stream signals through the infrared transceiver 123 to realize the outward signal forwarding of the Bluetooth headset, so that other Bluetooth headsets which are also provided with the infrared transceiver 123 can receive and convert the infrared audio stream signals, a plurality of people can share audio through the Bluetooth headset at the same time, the audio sharing is realized, and the functions of the Bluetooth headset are expanded; moreover, the utility model discloses simple structure, it is with low costs, be convenient for realize.

In this embodiment, the headset main board 12 is further provided with a memory 124, the memory 124 is connected to the BLE module 121, and the memory 124 is used for storing audio data. The audio data are stored through the memory 124, so that when the external audio and video playing device is not connected, the TWS Bluetooth headset can also realize audio playing by reading the audio data in the memory 124, and the functions of the TWS Bluetooth headset are effectively expanded. In particular, the memory 124 may be an embedded memory 124 (e.g., integrated on the headset motherboard 12) or an external memory 124 (e.g., an external memory card).

In this embodiment, the BLE module 121 is a bluetooth module with a model number AB5376a 2.

In the present embodiment, the codec 122 employs a PCM codec chip.

In this embodiment, the TWS bluetooth headset further includes a secondary headset 200, one of the primary headset 100 and the secondary headset 200 is a left headset, and the other is a right headset, and the primary headset 100 and the secondary headset 200 are communicatively connected through the BLE module 121.

In the present embodiment, the TWS bluetooth headset further includes a charging chamber 300, and the charging chamber 300 is used to support the primary and

secondary earphones

100 and 200 to charge the primary and

secondary earphones

100 and 200 in a contact conductive manner. When charging the main earphone 100 and the sub-earphone 200, the charging and protection of the main earphone 100 and the sub-earphone 200 can be realized, so that the TWS Bluetooth earphone is more convenient to carry.

Specifically, in this embodiment, the charging chamber 300 includes a case body 31 and a case cover 32 that can be rotatably covered on the case body 31, an earphone supporting plate 33 is fixedly mounted on the upper portion of the case body 31, a main accommodating groove 34 for accommodating the main earphone 100 and an auxiliary accommodating groove 35 for accommodating the auxiliary earphone 200 are formed on the upper surface of the earphone supporting plate 33 in a downward recessed manner, charging pins 36 are uniformly arranged in the main accommodating groove 34 and the auxiliary accommodating groove 35, and charging contacts 15 matched with the charging pins 36 are arranged on the outer walls of the main earphone 100 and the auxiliary earphone 200. When the main earphone 100 and the auxiliary earphone 200 are placed in the main accommodating groove 34 and the auxiliary accommodating groove 35, the charging contacts 15 on the outer walls of the main earphone 100 and the auxiliary earphone 200 are respectively and correspondingly abutted and conducted with the charging pins 36 in the main accommodating groove 34 and the auxiliary accommodating groove 35, so that the main earphone 100 and the auxiliary earphone 200 are charged in a contact conduction mode through the charging bin 300, charging is convenient and reliable, and the service time of the TWS Bluetooth earphone is effectively prolonged through the portable charging bin 300.

In the present embodiment, case 31 is provided with a string insertion through hole 311. Set up the wire rope through-hole 311, can wear to establish and hang the rope, further improve whole bluetooth headset's portability.

Specifically, the utility model discloses the theory of operation as follows:

external audio and video playing equipment such as a mobile phone and the like sends a Bluetooth audio stream signal to a main earphone 100 of a TWS Bluetooth earphone, the main earphone 100 of the TWS Bluetooth earphone receives the Bluetooth audio stream signal through a BLE module 121, and the signal is decoded and converted through a decoding circuit of a codec 122 to generate an audio signal, on one hand, the audio signal is directly sent to a loudspeaker 14 for playing, on the other hand, the audio signal is converted into an infrared audio stream signal through an infrared sending circuit of an infrared transceiver 123 and sent to the outside, so that other external Bluetooth earphones with the infrared transceiver 123 can receive the infrared audio stream signal through an infrared receiving circuit of the infrared transceiver 123; meanwhile, the primary earphone 100 of the TWS bluetooth earphone transmits the received bluetooth audio stream signal to the outside, and the secondary earphone 200 of the TWS bluetooth earphone receives the bluetooth audio stream signal transmitted by the primary earphone 100 through the BLE module 121, and generates an audio signal after performing signal conversion through the decoding circuit of the codec 122, on one hand, the audio signal is directly transmitted to the speaker 14 for playing, and on the other hand, the audio signal is converted into an infrared audio stream signal through the infrared transmitting circuit of the infrared transceiver 123 and transmitted to the outside to implement audio sharing.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A TWS Bluetooth headset is characterized by comprising a main headset, wherein the main headset comprises a headset shell, a headset main board, a headset battery and a loudspeaker, wherein the headset main board, the headset battery and the loudspeaker are arranged in the headset shell;

and the loudspeaker is used for playing the received audio signal.

2. The TWS Bluetooth headset of claim 1, wherein a memory is further disposed on the headset motherboard, the memory is connected to the BLE module, and the memory is used for storing audio data.

3. The TWS Bluetooth headset of claim 2, wherein the BLE module employs a Bluetooth module model AB5376A 2.

4. The TWS Bluetooth headset of claim 2, wherein the codec employs a PCM codec chip.

5. A TWS Bluetooth headset according to any one of claims 1 to 4, further comprising a secondary headset, one of the primary and secondary headsets being a left headset and the other being a right headset, the primary and secondary headsets being communicatively connected via the BLE module.

6. A TWS Bluetooth headset according to claim 5, further comprising a charging compartment for supporting the primary and secondary headsets for charging the primary and secondary headsets in a contact conductive manner.

7. The TWS Bluetooth headset of claim 6, wherein the charging chamber comprises a housing and a cover rotatably covering the housing, a headset supporting plate is fixedly mounted on the upper portion of the housing, a main accommodating groove for accommodating the main headset and an auxiliary accommodating groove for accommodating the auxiliary headset are formed on the upper surface of the headset supporting plate in a downward recessed manner, charging pins are disposed in the main accommodating groove and the auxiliary accommodating groove, and charging contacts matched with the charging pins are disposed on the outer walls of the main headset and the auxiliary headset.

8. The TWS Bluetooth headset of claim 7, wherein the case has a stringing through hole.