CN211128127U

CN211128127U - Wireless earphone

Info

Publication number: CN211128127U
Application number: CN201922400522.1U
Authority: CN
Inventors: 王久明
Original assignee: Goertek Techology Co Ltd
Current assignee: Goertek Techology Co Ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-07-28
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a wireless earphone, include: the earphone comprises at least one earphone body, wherein a control chip and a first battery are arranged in the earphone body; the neck strap is internally provided with a second battery; the earphone body and the neck strap are operatively connected to each other; when the earphone body is used independently, the first battery supplies power to the earphone body; when the earphone body is connected with the neck strap, the second battery arranged in the neck strap supplies power to the earphone body and charges the first battery arranged in the earphone body. The wireless earphone with the brand new design integrates the advantages of a neck strap earphone and a real wireless earphone, and the earphone body and the neck strap are arranged into an independent and detachable combined structure. The user can select the earphone body to be used independently or the earphone body and the neck strap are combined to be used according to different scene requirements. Avoid wireless earphone to lose on the one hand, on the other hand can be through the second battery power supply in the neck strap and for first battery charging, effectively strengthen the duration of earphone.

Description

Wireless earphone

Technical Field

The utility model belongs to the technical field of audio equipment, especially, relate to a wireless earphone.

Background

Besides the traditional earphones, the most popular current TWS earphone on the market is the true wireless Bluetooth earphone. TWS headphones have no conventional physical wires. The left earphone and the right earphone form a stereo system through the Bluetooth, and the effects of listening to music, communicating and wearing are improved. Wherein, main earphone can also independent work, uses more nimble convenient.

Meanwhile, TWS headphones also have certain disadvantages. Firstly, because there is not the physical connection wire rod between them, drop easily and lose when using outdoors, especially carry out the motion under the state of wearing the earphone, lose the risk and be higher. Furthermore, due to the small battery size of the TWS headset, cruising ability has been a key element that restricts the development of the TWS headset. With more and more electronic devices and functions such as sensors integrated in the TWS headset, the power consumption is larger and larger, and the limitation of the endurance time on the TWS headset is more and more obvious.

The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.

Disclosure of Invention

In order to solve the problems that a TWS earphone in the prior art is easy to drop and lose when used outdoors and has limited cruising ability, the wireless earphone is designed and provided.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:

a wireless headset, comprising: the earphone comprises at least one earphone body, wherein a control chip and a first battery are arranged in the earphone body; the neck strap is internally provided with a second battery; the earphone body and the neck strap are operatively connected to each other; when the earphone body is used independently, the first battery supplies power to the earphone body; when the earphone body is connected with the neck strap, the second battery arranged in the neck strap supplies power to the earphone body and charges the first battery arranged in the earphone body.

When the neck strap and the neck strap are combined into a whole, a switch element is further arranged on the neck strap for providing a more flexible operation mode for a user; when the earphone body is connected with the neck strap, the control chip arranged in the earphone body receives the switching signal generated by the switching element.

When the earphone body and the neck strap are connected and the earphone is in a starting state, the wireless earphone automatically wakes up the charging power supply circuit, and particularly, a power supply management chip is also arranged in the neck strap and is connected with a second battery; when the earphone body is connected with the neck strap and the earphone body is in a power-on state, the control chip generates and outputs an activation signal to the power management chip, and the second battery supplies power to the earphone body and charges the first battery arranged in the earphone body.

Under the split state, wireless earphone can independently charge, and wireless earphone still includes: a charging box, wherein a third battery is arranged in the charging box; when the earphone body is independently arranged in the charging box, the third battery in the charging box charges the first battery in the earphone body.

The earphone body is matched and connected with the neck strap through the following structure, the earphone body is provided with a first connecting part, and a metal contact is arranged on the first connecting part; the neck strap is provided with a second connecting part, and a first elastic terminal is arranged in the second connecting part; when the earphone body is connected with the neck strap, the first connecting portion and the second connecting portion are clamped and connected, and the metal contact is in contact conduction with the first elastic terminal.

For guaranteeing connection stability, first connecting portion are the column and extend downwards along the casing direction of earphone body, and the metal contact sets up on the lower terminal surface of first connecting portion.

An accommodating cavity for accommodating the first connecting part is formed in the second connecting part at one end of the neck strap; the first elastic terminal extends upwards from the bottom surface of the accommodating cavity.

Because the use position is not fixed, in order to improve the connection stability, the first connecting part also comprises a limiting clamping groove, and the limiting clamping groove is inwards sunken from the side end surface of the first connecting part and extends along the horizontal direction; the second connecting part also comprises a limiting bulge, and the limiting bulge protrudes outwards from the side wall of the accommodating cavity and extends along the horizontal direction; when the limiting protrusion is embedded into the limiting clamping groove, the metal contact is in contact conduction with the first elastic terminal.

A second elastic terminal is arranged at one end of the charging box; when the earphone body is arranged in the charging box, the metal contact is in contact conduction with the second elastic terminal.

In order to improve the comfort level of use, the neck area still includes: the neck strap body is bent and is attached to the curve of the neck of a human body; the second battery is arranged in the neck strap body, and the neck strap body is connected with the second connecting part through a connecting wire.

Compared with the prior art, the utility model discloses an advantage is with positive effect:

the wireless earphone with the brand new design integrates the advantages of a neck strap earphone and a real wireless earphone, and the earphone body and the neck strap are arranged into an independent and detachable combined structure. The user can select the earphone body to be used independently or the earphone body and the neck strap are combined to be used according to different scene requirements. When the user uses the earphone indoors, the earphone body is separated from the neck strap and is used independently, so that the earphone is convenient and flexible; when the user used the earphone outdoors, can connect back the neck strap with the earphone body, avoid wireless earphone to lose on the one hand, on the other hand can be through the second battery power supply in the neck strap and for first battery charging, effectively strengthen the duration of a journey ability of earphone. In the two modes, the communication and the processing of the audio signals are realized by the control chip arranged in the earphone body, on one hand, the hardware architecture does not increase the hardware cost and the energy consumption of the whole chip of the earphone; on the other hand, the communication connection between the two use modes does not need to be switched.

Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a first usage state of the wireless headset provided by the present invention, wherein the headset body and the neck strap are separated from each other, and the headset body can be used independently;

fig. 2 is a schematic structural view of the wireless headset according to the present invention in a second use state, in which the headset body and the neck strap are connected to each other;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an enlarged partial view of another view at A of FIG. 2;

FIG. 5 is a cross-sectional view of FIG. 4;

fig. 6 is a schematic structural diagram of the first connection portion in fig. 3 to 5;

fig. 7 is a schematic structural view of the second connection portion in fig. 3 to 5;

fig. 8 is a schematic structural view of a charging box in a wireless headset according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In order to solve the problems that the traditional TWS earphone is easy to drop and lose when being used outdoors due to no physical connecting wire rod, and meanwhile, the cruising ability is limited, a wireless earphone with a brand-new design is shown in figures 1 and 2. Specifically, the wireless headset 1 includes at least one headset body 11. The earphone body 11 is provided with a control chip (not shown). In this embodiment, the control chip is preferably a system on chip of a bluetooth headset, and the control chip can implement power management, wireless communication and audio decoding functions of the wireless headset 1. The control chip can be an integrated Bluetooth headset chip produced by a plurality of companies such as CSR, high-pass and the like, and the specific model of the control chip is not limited. A speaker is also provided in the earphone body 11, and optionally a microphone and other functional components or MEMS sensors. The earphone body 11 receives and plays an audio signal from an external terminal such as a smart phone through bluetooth communication. In this embodiment, only one earphone body 11 may be provided, or may be provided in pairs, for example, the master earphone 11 and the slave earphone 12 shown in fig. 1 and fig. 2, so as to implement stereo audio playing. Those skilled in the art will understand without objection that the earphone body 11 hereinafter may refer to either one of the master earphone and the slave earphone.

To the easy problem of losing when the TWS earphone is used in the open air, the utility model discloses in still specially designed neck strap 13. The earphone body 11 and the neck strap 13 are operatively connected to each other so that the wireless earphone 1 has two different operation modes, as shown in fig. 1, when the earphone body 11 is used independently, a first battery (not shown) provided in the earphone body 11 supplies power to the earphone body 11, and the wireless earphone 1 can operate as a general TWS earphone. As shown in fig. 2, when the earphone body 11 is connected to the neck strap 13, the earphone body 11 and the neck strap 13 are integrally formed, and a second battery (not shown) disposed in the neck strap 13 supplies power to the earphone body 11 and charges a first battery disposed in the earphone body 11. The wireless earphone 1 with the brand new design integrates the advantages of a neck strap earphone and a real wireless earphone, and the earphone body and the neck strap are arranged into an independent and detachable combined structure. The user can select whether to independently use the earphone body or not according to different scene requirements, or the earphone body and the neck strap are combined for use. When the user uses the earphone indoors, the earphone body is separated from the neck strap and is used independently, so that the earphone is convenient and flexible; when the user used the earphone outdoors, can connect back the neck strap with the earphone body, avoid wireless earphone to lose on the one hand, on the other hand can be through the second battery power supply in the neck strap and for first battery charging, effectively strengthen the duration of a journey ability of earphone. In the two modes, the communication and the processing of the audio signals are realized by the control chip arranged in the earphone body, on one hand, the hardware architecture does not increase the hardware cost and the energy consumption of the whole chip of the earphone; on the other hand, the communication connection between the two use modes does not need to be switched.

In the combined mode, a more flexible switch operation mode is provided. The neck strap 13 is preferably provided with a switch element (not shown in the figure), and the physical form of the switch element can be selected from various forms such as a key, a membrane key, a touch key, a toggle key and the like according to the appearance design of the product, which is not limited herein. When the earphone body 11 is connected with the neck strap 13, the control chip arranged in the earphone body 11 is electrically connected with the switch element, and the control chip receives the switch signal generated by the switch element, namely, a user can control the earphone body 11 to be switched on and off through the switch element arranged on the neck strap 13, and the mode is particularly suitable for outdoor/sports scenes.

A power management chip (not shown) is also arranged in the neck strap 13 and connected with the second battery. In a combined use state, one path of communication port of the power management chip is electrically connected with one path of communication port of the control chip. When the earphone body 11 and the neck strap 13 are connected, the earphone body 11 may have two states of power-off/power-on. If the earphone body 11 is in the power-on state when the earphone body 11 is connected with the neck strap 13, the second battery can be automatically activated. That is, the control chip generates and outputs an activation signal to the power management chip, the power management chip starts to work and conducts a power loop between the first battery and the second battery, and the second battery starts to supply power to the earphone body 11 at the same time. If the earphone body 11 is connected with the neck strap 13, the earphone body 11 is in a power-off state, a user can generate a power-on signal through a switch element arranged on the neck strap 13, the control chip receives the power-on signal generated by the switch element and starts working, the control chip generates and outputs an activation signal to the power management chip, and the second battery is activated to supply power to the earphone body 11 and charge the first battery.

As shown in fig. 8, the headphone body 11 may also be charged using a separate charging box 14. Specifically, the third battery is provided in the charging box 14. When the earphone body 11 is independently placed in the charging box 14, the third battery in the charging box 14 charges the first battery in the earphone body 11. When the earphone body 11 is placed in the charging box 14, the control chip switches the earphone body 11 to enter a sleep mode, and the Bluetooth communication function is turned off. When the earphone body 11 is taken out from the charging box 14, the control chip switches the earphone body 11 to enter a normal working mode, the earphone body 11 automatically starts searching, and is connected with a paired Bluetooth external terminal. The earphone body 11 and the relative position detection of the box 14 that charges can adopt the scheme that prior art has disclosed, if adopt hall sensor, infrared sensor etc. do not the utility model discloses a protection is important, no longer gives unnecessary details here.

The following describes the earphone body 11 and the neck band 13, and the connection structure between the earphone body 11 and the charging box 14, with reference to fig. 3 to 7. Specifically, the earphone body 11 is improved to be designed to add the first connection portion 15 on the basis of the general TWS earphone housing. The first connection portion 15 is provided with a metal contact 22. As shown in fig. 3 to 6, the first connecting portion 15 is preferably designed to be substantially cylindrical and extend downward in the housing direction of the earphone body 11, and the lower end faces 25 of the first connecting portion 15 are kept flush and the exposed metal contacts 22 are provided in pairs. This design ensures a stable connection. As shown in fig. 3-5, 7-8, the second connection portion 17 provided at one end of the neck strap 13 is provided with a first elastic terminal 23 therein, in cooperation with the first connection portion 15. The charging box 14 is provided with a second elastic terminal. When the earphone body 11 is connected to the neck strap 13, the first connection portion 15 and the second connection portion 17 are engaged with each other, and the first elastic terminal 23 is in contact with the metal contact 22. When the earphone body 11 is placed in the charging box 14 for charging, the first connecting part 15 extends into the card slot 24 of the charging box 14, and the metal contact 22 and the second elastic terminal are in contact conduction. The first elastic terminal 23 and the second elastic terminal are preferably spring metal probes protruding upward, and the metal contact 22 can be stably connected with the first elastic terminal 23 or the second elastic terminal under the action of gravity.

The second connection 17 at one end of the neck strap 13 is preferably connected to the neck strap body 21 by a flexible connecting wire 19. The neck belt body 21 is curved and is attached to the curve of the human body. The second battery is preferably disposed in the neck strap body 21, with the housing of the neck strap body 21 serving to protect the battery. For a product designed with the master earphone 11 and the slave earphone 12, as shown in fig. 1 and 2, two ends of the neckband body 21 are connected to a second connecting portion 17 through two connecting wires 19, respectively. The second connecting portion 17 is preferably made of a material having a certain elasticity, such as plastic, resin, etc. As shown in fig. 7, the second connecting portion 17 has a receiving cavity 26 formed therein for receiving the first connecting portion 15. The first elastic terminal 23 extends upward from the bottom surface of the accommodation chamber 26.

In the actual use process, since the position of the connection wire 19 and the position of the earphone body 11 are not fixed, in order to ensure the connection stability of the first connection portion 15 and the second connection portion 17, as shown in fig. 6 and 7, the first connection portion 15 further includes a limit slot 27. The stopper groove 27 is recessed inward from a side end surface of the first connection portion 15 and extends in a horizontal direction. The second connecting portion 17 further includes a limiting protrusion 28, and the limiting protrusion 28 protrudes outward from the side wall of the accommodating chamber and extends in the horizontal direction. When the limiting protrusion 28 is inserted into the limiting slot 27, the metal contact 22 and the first elastic terminal 23 are in contact conduction, and the limiting slot 27 and the limiting protrusion 28 limit the relative movement of the first connecting portion 15 and the second connecting portion 17, so as to keep the two connection stably. Meanwhile, in order to facilitate the user to take off the earphone body 11 from the neck strap 13, an opening 29 is further formed in the second connecting portion 17, and the opening 29 is opposite to the limiting protrusion 28, so that the user can conveniently disassemble and assemble the earphone body.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention, which is claimed.

Claims

1. A wireless headset, comprising: the method comprises the following steps:

the earphone comprises at least one earphone body, wherein a control chip and a first battery are arranged in the earphone body; and

a neck strap having a second battery disposed therein;

the earphone body and the neck strap are operatively connected to each other; when the earphone body is used independently, the first battery supplies power to the earphone body; when the earphone body is connected with the neck strap, a second battery arranged in the neck strap supplies power to the earphone body and charges a first battery arranged in the earphone body.

2. The wireless headset of claim 1, wherein:

the neck strap is also provided with a switch element;

when the earphone body is connected with the neck strap, a control chip arranged in the earphone body receives a switching signal generated by the switching element.

3. The wireless headset of claim 2, wherein:

a power management chip is further arranged in the neck strap and connected with the second battery; when the earphone body is connected with the neck strap and the earphone body is in a power-on state, the control chip generates and outputs an activation signal to the power management chip, and the second battery supplies power to the earphone body and charges the first battery arranged in the earphone body.

4. The wireless headset of claim 3, wherein:

further comprising:

a charging box in which a third battery is disposed;

when the earphone body is independently arranged in the charging box, the third battery in the charging box charges the first battery in the earphone body.

5. A wireless headset according to any one of claims 1 to 4, wherein:

the earphone body is provided with a first connecting part, and a metal contact is arranged on the first connecting part; the neck strap is provided with a second connecting part, and a first elastic terminal is arranged in the second connecting part; when the earphone body is connected with the neck strap, the first connecting portion and the second connecting portion are connected in a clamping mode, and the metal contact is in contact conduction with the first elastic terminal.

6. The wireless headset of claim 5, wherein:

the first connecting portion is columnar and extends downwards along the shell direction of the earphone body, and the metal contact is arranged on the lower end face of the first connecting portion.

7. The wireless headset of claim 6, wherein:

an accommodating cavity for accommodating the first connecting part is formed in the second connecting part; the first elastic terminal extends upwards from the bottom surface of the accommodating cavity.

8. The wireless headset of claim 7, wherein:

the first connecting part further comprises a limiting clamping groove, and the limiting clamping groove is inwards sunken from the side end surface of the first connecting part and extends in the horizontal direction; the second connecting part also comprises a limiting bulge, and the limiting bulge protrudes outwards from the side wall of the accommodating cavity and extends along the horizontal direction; when the limiting protrusion is embedded into the limiting clamping groove, the metal contact is in contact conduction with the first elastic terminal.

9. The wireless headset of claim 5, wherein:

a second elastic terminal is arranged in the charging box; when the earphone body is arranged in the charging box, the metal contact is in contact conduction with the second elastic terminal.

10. The wireless headset of claim 5, wherein:

the neck strap further comprises:

the neck strap body is bent and is attached to the curve of the neck of a human body;

the second battery is arranged in the neck strap body, and the neck strap body is connected with the second connecting portion through a connecting wire.