CN110677764A - TWS earphone and in-ear detection method thereof - Google Patents
TWS earphone and in-ear detection method thereof Download PDFInfo
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- CN110677764A CN110677764A CN201911039126.9A CN201911039126A CN110677764A CN 110677764 A CN110677764 A CN 110677764A CN 201911039126 A CN201911039126 A CN 201911039126A CN 110677764 A CN110677764 A CN 110677764A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1041—Mechanical or electronic switches, or control elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1058—Manufacture or assembly
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
- H04R2201/105—Manufacture of mono- or stereophonic headphone components
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The invention discloses a TWS earphone, comprising: the front shell is provided with an LDS detection part, and a cavity enclosed by the front shell and the rear shell is internally provided with an in-ear detection elastic sheet for receiving capacitance change information of the LDS detection part and a circuit board for outputting a corresponding electrical signal according to the capacitance change information; the circuit board is connected with the in-ear detection elastic sheet. Compared with the prior art, the arrangement of the LDS detection part can perform in-ear detection on the earphone through capacitance change information when the LDS detection part is in contact with a human body, the LDS detection part has metallicity, the capacitance change is obvious, the detection mode is more reliable than that of an infrared sensor, and the in-ear detection accuracy of the TWS earphone is improved. The invention also discloses an in-ear detection method applied to the TWS earphone.
Description
Technical Field
The invention relates to the technical field of wireless communication equipment, in particular to a TWS earphone. In addition, the invention also relates to an in-ear detection method applied to the TWS earphone.
Background
With the continuous progress of terminal application technology, applications in terminal equipment are more and more diversified, a user can carry out operations such as shopping, watching videos and listening to music in the terminal equipment, in order to meet the diversified use requirements of the user, the terminal equipment can be connected with an earphone, in order to avoid the situation that the user needs to manually order or pause videos after wearing the earphone, the earphone which automatically senses whether the user wears or not appears on the market.
In order to realize the function of detecting the earphone in the ear, an infrared sensor is generally arranged in the prior art, and the earphone is judged whether to enter the ear or not by sensing the change of light through the infrared sensor.
In summary, how to improve the in-ear detection effect of the earphone is a problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of this, an object of the present invention is to provide a TWS headset, which can perform in-ear detection on the headset through capacitance change of an LDS detection component, avoid errors in the detection process of an infrared sensor, and improve accuracy of in-ear detection of the headset.
Another object of the present invention is to provide an in-ear detection method applied to the TWS headset described above.
In order to achieve the above purpose, the invention provides the following technical scheme:
a TWS headset, comprising: the front shell is provided with an LDS detection part, and a cavity enclosed by the front shell and the rear shell is internally provided with an in-ear detection elastic sheet for receiving capacitance change information of the LDS detection part and a circuit board for outputting a corresponding electrical signal according to the capacitance change information;
the circuit board is connected with the in-ear detection elastic sheet.
Preferably, the LDS detection part is injection molded to the front case.
Preferably, the LDS detection member has a cylindrical shape or a circular truncated cone shape.
Preferably, the LDS antenna is arranged on the rear shell, an antenna spring sheet used for receiving the LDS antenna signal is arranged in a cavity enclosed by the front shell and the rear shell, and the antenna spring sheet is connected with the circuit board.
Preferably, the LDS antenna is injection-molded on the outer surface of the rear case.
Preferably, the LDS antenna is arranged in a long strip shape along the height direction of the rear case.
Preferably, the circuit board is fixedly arranged on the rear shell.
An in-ear detection method of a TWS headset, comprising:
acquiring capacitance change information of an LDS detection part arranged on a TWS earphone;
and converting the capacitance change information into corresponding electric signals.
Preferably, the converting the capacitance variation information into a corresponding electrical signal includes:
if the capacitance change information is within a preset change range, the earphone is in an in-ear state, and the capacitance change information is converted into an in-ear electric signal; and if the capacitance change information is outside the preset change range, the earphone is in a non-in-ear state, and the capacitance change information is converted into a non-in-ear electric signal.
Preferably, after converting the capacitance change information into a corresponding electrical signal, the method includes:
and outputting the electric signal to a terminal device.
The invention provides a TWS headset, comprising: the device comprises a front shell and a rear shell, wherein the front shell is provided with an LDS detection part, a cavity enclosed by the front shell and the rear shell is internally provided with an ear-entering detection elastic sheet and a circuit board used for outputting a corresponding electrical signal according to capacitance change information, and the ear-entering detection elastic sheet is used for receiving the capacitance change information of the LDS detection part; the circuit board is connected with the in-ear detection elastic sheet.
In the using process, the LDS detection part is processed by a laser direct forming technology, and the operations of laser activation, electroplating and the like are performed in the processing process, so that the LDS detection part has metallicity, when the LDS detection part is in contact with a human body, the capacitance of the LDS detection part can be changed, the in-ear detection elastic sheet transmits the capacitance change information of the LDS detection part to the circuit board, the circuit board outputs a corresponding electric signal according to the received capacitance change information, and different electric signals can be output aiming at different capacitances because the capacitance of the LDS detection part in a state that the in-ear part is in contact with the human body is different from the capacitance of the LDS detection part in a state that the in-ear part is not in contact with the human body, so that the in-ear detection can be.
Compared with the prior art, the arrangement of the LDS detection part can perform in-ear detection on the earphone through capacitance change information when the LDS detection part is in contact with a human body, the LDS detection part has metallicity, the capacitance change is obvious, the detection mode is more reliable than that of an infrared sensor, and the in-ear detection accuracy of the TWS earphone is improved.
In addition, the invention also discloses an in-ear detection method of the TWS earphone.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic cross-sectional view of a TWS headset provided by the present invention;
FIG. 2 is a partial perspective view of the TWS headset shown in FIG. 1 in a rear view orientation;
FIG. 3 is a schematic diagram of an external appearance of the TWS headset shown in FIG. 2;
FIG. 4 is a left side perspective view of the TWS headset of FIG. 3;
FIG. 5 is a right directional block diagram of the TWS headset of FIG. 3;
fig. 6 is a flowchart illustrating an in-ear detection method of a TWS headset according to the present invention.
In FIGS. 1-6:
1 is front shell, 2 is the backshell, 3 is LDS detection part, 4 is the income ear detection shell fragment, 5 is the LDS antenna, 6 is the antenna shell fragment, 7 is the circuit board.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a TWS earphone, which can carry out in-ear detection through capacitance change when an LDS detection part of a front shell is contacted with a human body, and improves the accuracy of in-ear detection of the TWS earphone. Another core of the present invention is to provide an in-ear detection method applied to the TWS headset.
Referring to fig. 1-6, fig. 1 is a schematic cross-sectional view of a TWS headset according to the present invention; FIG. 2 is a partial perspective view of the TWS headset shown in FIG. 1 in a rear view orientation; FIG. 3 is a schematic diagram of an external appearance of the TWS headset shown in FIG. 2; FIG. 4 is a left side perspective view of the TWS headset of FIG. 3; FIG. 5 is a right directional block diagram of the TWS headset of FIG. 3; fig. 6 is a flowchart illustrating an in-ear detection method of a TWS headset according to the present invention.
The TWS earphone provided by this embodiment, including preceding shell 1 and backshell 2, preceding shell 1 is provided with LDS detection component 3, is provided with into ear detection shell fragment 4 and circuit board 7 in the cavity that preceding shell 1 and backshell 2 enclose, and it can transmit the electric capacity change information of LDS detection component 3 for circuit board 7 to go into ear detection shell fragment 4, and circuit board 7 is according to the circuit board 7 of the change output corresponding signal of electric capacity information, and circuit board 7 is connected with into ear detection shell fragment 4.
In the using process, the LDS detection part 3 is a detection part processed by a laser direct forming technology, and the operations such as laser activation, electroplating and the like are performed in the processing process, so that the LDS detection part 3 has metallicity, when the LDS detection part 3 is in contact with a human body, the capacitance of the LDS detection part 3 can be changed, the in-ear detection elastic sheet 4 transmits the capacitance change information of the LDS detection part 3 to the circuit board 7, the circuit board 7 outputs a corresponding electric signal according to the received capacitance change information, and different electric signals can be output aiming at different capacitances because the capacitance of the LDS detection part 3 in a state that the in-ear part is in contact with the human body is different from the capacitance of the LDS detection part in a state that the in-ear part is not in contact with the human body, so as to perform in.
It should be noted that the position where the LDS is installed needs to be determined according to the shape of the front case 1, and is generally installed at a position in the front case 1 where the LDS is likely to contact human ears, and in order to improve the accuracy of the in-ear detection, the area of the LDS detection member 3 is preferably larger.
The number of the LDS detection parts 3 may be 1, or 2, 3 or more, and is determined specifically according to the actual situation, and is not described herein again.
Compared with the prior art, the arrangement of the LDS detection part 3 can perform in-ear detection on the earphone through capacitance change information when the LDS detection part is in contact with a human body, the LDS detection part 3 has metallicity, the LDS detection part 3 is very easy to be in contact with the human ear in the process of wearing the earphone, the capacitance change is obvious in the contact state, the detection mode is more reliable than that of an infrared sensor, and the accuracy of in-ear detection of the TWS earphone is improved.
In addition to the above embodiments, the LDS detection part 3 may be injection-molded on the front case 1 in order to make the way of disposing the LDS detection part 3 more firm.
As shown in FIG. 1, the front shell 1 is provided with a hole for injection molding of the LDS detection part 3, the LDS detection part 3 is injection molded on the front shell 1, so that the connection between the LDS detection part 3 and the front shell 1 is firmer, and the injection molding of the LDS detection part 3 is better in reliability compared with the installation of an infrared sensor.
The LDS detection member 3 may have a columnar shape or another shape, and may have a regular or irregular cross section.
For convenience of processing and mounting, the LDS detection member 3 may preferably have a cylindrical shape or a circular truncated cone shape.
On the basis of the above embodiment, the electrical signal output by the circuit board 7 needs to be transmitted to the terminal device through the antenna, and may further include the LDS antenna 5 arranged in the rear case 2, an antenna elastic sheet 6 for receiving the signal of the LDS antenna 5 is arranged in a cavity enclosed by the front case 1 and the rear case 2, and the antenna elastic sheet 6 is connected with the circuit board 7.
In the using process, the circuit board 7 transmits the electric signal to be output to the LDS antenna 5 through the antenna elastic sheet 6, the LDS antenna 5 transmits the electric signal to the terminal device, the terminal device can be a mobile phone or an earphone, and therefore signal transmission between the earphone and the mobile phone or signal transmission between the earphone and the earphone is achieved.
It should be noted that the electric signals mentioned herein may be binary or other binary digital signals, or may also be analog signals, or other electric signals capable of transmitting information, which is determined according to actual situations and is not described herein again.
On the basis of above-mentioned embodiment, in order to make LDS antenna 5's signal transmission effect better, can mould plastics LDS antenna 5 in the surface of backshell 2 to avoid the influence of earphone casing to signal transmission, improve the transmission quality of signal, simultaneously, LDS antenna 5 moulds plastics in the surface of backshell 2, can not occupy the inside space of earphone casing, can effectively practice thrift the space, reduces the earphone volume.
Although the area of the LDS antenna 5 may be increased as appropriate in order to further enhance the signal transmission effect of the LDS antenna 5, in consideration of the injection cost and practical operation constraints, it is preferable that the LDS antenna 5 is provided in an elongated shape along the height direction of the rear case 2, and as shown in fig. 5, the LDS has an elongated structure having circular arcs at both ends.
In order to make the LDS antenna 5 and the LDS detection part 3 more stable in the process of transmitting signals, the circuit board 7 may be fixedly arranged on the rear shell 2; the circuit board 7 is disposed on the rear case 2, and provides a space for mounting other components in the front case 1.
In the design process, since the front case 1 and the rear case 2 of the earphone have curved arc-shaped case structures, it is preferable that the outer surface of the LDS antenna 5 is adapted to the outer surface of the rear case 2 and the outer surface of the LDS detection member 3 is adapted to the outer surface of the front case 1 in the process of injection molding the LDS antenna 5 and the LDS detection member 3.
The manufacturing process of the LDS detection part 3 and the LDS antenna 5 is as follows: firstly, injection molding is needed, and the injection molding is carried out on thermoplastic plastics; then laser activation, in the laser activation process, adding a special chemical agent to enable the object to generate a physical and chemical reaction to form a metal core, forming a rough surface, and enabling copper to root on the plastic in the metallization process; electroplating, wherein electroplating is used as a cleaning step, 5-8 micron circuits such as copper, nickel and the like are electroplated on the metalized plastic surface of the electrode, so that the plastic becomes an MID element with a conductive circuit, and finally, the assembly is carried out.
In addition to the TWS headset, the present invention also provides an in-ear detection method, which may be applied to the in-ear detection of the TWS headset disclosed in the above embodiments, and may also be applied to the in-ear detection of other objects to be detected, and the in-ear detection method includes:
in step S1, capacitance change information of the LDS detection unit 3 provided on the test object is acquired.
And step S2, converting the capacitance change information into corresponding electric signals.
In the above steps S1 and S2, first, in the process of wearing the earphone, the LDS in-ear detection part in the earphone contacts with the human ear to change the capacitance of the LDS in-ear detection part, so as to obtain the capacitance change information of the LDS detection part 3, the in-ear detection elastic sheet 4 transmits the received capacitance change information to the circuit board 7, and the circuit board 7 processes the capacitance change information and outputs a corresponding electrical signal to determine whether the earphone is in an in-ear state.
On the basis of the above embodiment, step S2 may be made to include:
step S21, if the capacitance change information is in the preset change range, the earphone is in the in-ear state, and the capacitance change information is converted into an in-ear electric signal; and if the capacitance change information is outside the preset change range, the earphone is in a non-in-ear state, and the capacitance change information is converted into a non-in-ear electric signal.
In order to realize signal transmission between the earphone and the handset or between the earphone and the earphone, after step S2, the method may include:
step S3, the electrical signal is output to the terminal device.
It should be noted that the terminal device referred to herein may be a mobile phone, a tablet computer, etc. connected to an earphone, or may be another earphone, etc. capable of performing signal transmission with the LDS antenna 5, which is determined according to the actual situation, and is not described herein again.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. Any combination of all embodiments provided by the present invention is within the scope of the present invention, and will not be described herein.
The TWS headset and the in-ear detection method thereof provided by the present invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. A TWS headset, comprising: the device comprises a front shell (1) and a rear shell (2), and is characterized in that the front shell (1) is provided with an LDS detection part (3), and a cavity enclosed by the front shell (1) and the rear shell (2) is internally provided with an in-ear detection elastic sheet (4) used for receiving capacitance change information of the LDS detection part (3) and a circuit board (7) used for outputting a corresponding electric signal according to the capacitance change information;
the circuit board (7) is connected with the in-ear detection elastic sheet (4).
2. A TWS headset according to claim 1, characterized in that the LDS detection part (3) is injection moulded to the front shell (1).
3. A TWS headset according to claim 1, characterized in that the LDS detection part (3) is cylindrical or truncated cone-shaped.
4. A TWS earphone as claimed in any one of claims 1-3, further comprising an LDS antenna (5) disposed on the rear shell (2), wherein an antenna spring (6) for receiving signals of the LDS antenna (5) is disposed in a cavity enclosed by the front shell (1) and the rear shell (2), and the antenna spring (6) is connected to the circuit board (7).
5. A TWS earphone as claimed in claim 4, wherein the LDS antenna (5) is injection moulded to the outer surface of the back shell (2).
6. A TWS earphone as claimed in claim 5, wherein the LDS antenna (5) is arranged elongated in the height direction of the back cover (2).
7. A TWS headset according to claim 6, wherein the circuit board (7) is fixedly arranged to the rear housing (2).
8. An in-ear detection method of a TWS headset is characterized by comprising the following steps:
acquiring capacitance change information of an LDS detection part (3) arranged on a TWS earphone;
and converting the capacitance change information into corresponding electric signals.
9. The method of claim 8, wherein the converting the capacitance change information into a corresponding electrical signal comprises:
if the capacitance change information is within a preset change range, the earphone is in an in-ear state, and the capacitance change information is converted into an in-ear electric signal; and if the capacitance change information is outside the preset change range, the earphone is in a non-in-ear state, and the capacitance change information is converted into a non-in-ear electric signal.
10. The method of claim 9, wherein converting the capacitance change information into a corresponding electrical signal comprises:
and outputting the electric signal to a terminal device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911039126.9A CN110677764A (en) | 2019-10-29 | 2019-10-29 | TWS earphone and in-ear detection method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911039126.9A CN110677764A (en) | 2019-10-29 | 2019-10-29 | TWS earphone and in-ear detection method thereof |
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| CN110677764A true CN110677764A (en) | 2020-01-10 |
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| CN201911039126.9A Pending CN110677764A (en) | 2019-10-29 | 2019-10-29 | TWS earphone and in-ear detection method thereof |
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| CN111586517A (en) * | 2020-05-15 | 2020-08-25 | 维沃移动通信有限公司 | Earphone and earphone wearing detection method |
| WO2022193313A1 (en) * | 2021-03-19 | 2022-09-22 | 深圳市汇顶科技股份有限公司 | Capacitance measurement apparatus and earphone |
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