CN218772357U

CN218772357U - Earphone set

Info

Publication number: CN218772357U
Application number: CN202220623658.8U
Authority: CN
Inventors: 刘存帅; 张铁男; 熊伟; 张强
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2023-03-28
Anticipated expiration: 2032-03-21
Also published as: WO2023179484A1

Abstract

The application provides an earphone relates to terminal technical field, wherein, this earphone includes the casing, the casing includes first opening and second opening, works as when the earphone is worn at the ear, the casing with the ear laminating, the inside of casing with the auditory canal of ear passes through first opening with the second opening link up, forms first space, based on the pressure change in first space gathers the health monitoring speaker of first signal, the health monitoring speaker sets up in the casing, the health monitoring speaker corresponds first opening, and, based on the pressure change in first space gathers the health monitoring microphone of second signal, the health monitoring microphone sets up in the casing, the health monitoring microphone corresponds the second opening. According to the technical scheme, the accuracy of the signals for acquiring the characterization health data through the earphones can be improved.

Description

Earphone set

Technical Field

The application relates to the technical field of terminals, in particular to an earphone.

Background

Along with the continuous improvement of the living standard of people, people pay more and more attention to the self health condition. At present, a user can acquire various health data through special equipment such as a sphygmomanometer, a heart rate meter and the like, but the special equipment generally has a single function and is expensive, and the user can acquire the health data through relevant mechanisms such as a hospital or a physical examination center or can learn how to acquire the health data through guidance of professionals such as doctors, so the cost for acquiring the health data by the user is very high.

In the prior art, the signals representing the health data may be acquired through headphones. The headset may comprise a housing comprising a recess on the outside of the housing and a microphone arranged in the recess. When the earphone is worn on the ear, the blood vessels in the space formed by the fit of the groove and the local inner wall of the ear are contracted or dilated, so that the pressure in the space is changed, and the microphone can be used for determining health data based on the signal acquired by the pressure change.

However, because the grooves are usually small, it is difficult to objectively reflect the contraction and expansion of blood vessels, and to objectively reflect the heart activity and the arterial blood circulation, i.e., to characterize health data.

SUMMERY OF THE UTILITY MODEL

In view of this, the present application provides an earphone and a health data detection system to improve the accuracy of acquiring a signal representing health data through the earphone.

In order to achieve the above object, in a first aspect, an embodiment of the present application provides a headset, including:

the earphone comprises a shell, a first connecting piece and a second connecting piece, wherein the shell comprises a first opening and a second opening, when the earphone is worn on an ear, the shell is attached to the ear, the interior of the shell is communicated with an ear canal of the ear through the first opening and the second opening, and a first space is formed;

a health monitoring speaker for acquiring a first signal based on a pressure change of the first space, the health monitoring speaker being disposed in the housing, the health monitoring speaker corresponding to the first opening; and the number of the first and second groups,

and a health monitoring microphone for acquiring a second signal based on the pressure change of the first space, wherein the health monitoring microphone is arranged in the shell and corresponds to the second opening.

It should be noted that the first space may be an enclosed space or an approximately enclosed space, and the first signal and the second signal may be used to acquire the health data. In some embodiments, the health data may include one or more of heart rate, blood pressure, cardiac waves, and brain waves.

In this embodiment, the earphone may include a housing, the housing includes a first opening and a second opening, when the earphone is worn on the ear, the housing is attached to the ear, and the inside of the housing and the ear canal of the ear are communicated through the first opening and the second opening to form a first space. The headset also includes a health monitoring speaker that acquires a first signal based on pressure changes in the first space and a health monitoring microphone that acquires a second signal based on pressure changes in the first space. The health monitoring speaker is arranged in the shell and corresponds to the first opening, and the health monitoring microphone is arranged in the shell and corresponds to the second opening. Because the inside of casing and the duct of ear link up through first opening and second opening, form first space, can be so that the connectivity of first space is better, the pressure variation in first space can transmit health monitoring speaker and health monitoring microphone more accurately, and then make the accuracy that first signal that health monitoring speaker gathered based on the pressure variation in first space and the second signal that health monitoring microphone gathered based on the pressure variation in first space is higher, just also can reflect the shrink and the relaxation of blood vessel in the duct, heart activity and arterial blood circulation more accurately. And because the mechanical vibration system (such as a cone or a diaphragm) of the health monitoring loudspeaker has a larger volume, the pressure change in the first space can be detected more easily and accurately, and the accuracy of the first signal can also be improved. In addition, because the first signal and the second signal are acquired based on the pressure change in the first space, the first signal and the second signal can be verified with each other, and the accuracy of the first signal and the second signal is further ensured. To sum up, the earphone in this application embodiment can obtain two way first signals and the second signal that more accurately represent health data based on the pressure variation of the first space that casing and duct constitute, and then just also can improve the accuracy of confirming health data.

In some embodiments, to further improve the accuracy of the health monitoring speaker in acquiring the first signal, the sound output surface of the health monitoring speaker may face the first opening, wherein the sound output surface may be a surface of the health monitoring speaker closer to a mechanical vibration system such as a cone diaphragm. Similarly, to further improve the accuracy of the health monitoring microphone for acquiring the second signal, the sound receiving surface of the health monitoring microphone may face the second opening.

In some embodiments, the headset further comprises a first interface, a first impedance element, a second impedance element, a third impedance element, and a second interface, a ratio of an equivalent impedance of the first impedance element to an equivalent impedance of the second impedance element being equal to a ratio of an equivalent impedance of the health monitoring speaker to an equivalent impedance of the third impedance element;

the positive electrode of the first interface is respectively connected with one end of the first impedance element and one end of the second impedance element, the other end of the first impedance element is respectively connected with the positive electrode of the health monitoring loudspeaker and one end of the second interface, the other end of the second impedance element is respectively connected with the other electrode of the second interface and one end of the third impedance element, and the ground electrode of the health monitoring loudspeaker is respectively connected with the other end of the third impedance element and the ground electrode of the first interface;

the earphone inputs a third signal to be played to the health monitoring loudspeaker through the first interface, and the first signal acquired by the health monitoring loudspeaker is acquired through the second interface.

In some embodiments, the first impedance element comprises a first resistance, the second impedance element comprises a second resistance, and the third impedance element comprises a third resistance and a first inductance.

Wherein, through the wheatstone bridge, can realize when not influencing the third signal of monitoring the speaker input to health, acquire first signal through the health monitoring speaker, and then make and also acquire healthy data through the earphone under the condition of playing at least one in music signal, conversation signal and the signal of making an uproar of falling through the earphone.

In some embodiments, the first opening and the second opening are the same opening.

In some embodiments, the health monitoring microphone is disposed on a side of the health monitoring speaker, the health monitoring microphone being closer to the ear canal than the health monitoring speaker when the headset is worn at the ear.

Since the mechanical vibration system of the health monitoring speaker is relatively bulky, that is, the health monitoring speaker may block the transmission of pressure changes in the first space more easily than the health monitoring microphone, the health monitoring microphone 130 may be disposed at one side of the health monitoring speaker, and when the earphone is worn at the ear, the health monitoring microphone is closer to the ear canal than the health monitoring speaker, so that the influence of the health monitoring microphone and the health monitoring speaker on the connectivity of the first space is greatly reduced, and the accuracy of the first signal and the second signal is further improved.

In some embodiments, the headset is an in-ear headset, a semi-in-ear headset, or a headset.

In some embodiments, if the earphone is the in-ear earphone or the semi-in-ear earphone, when the earphone is worn on the ear, the health monitoring microphone is located in the ear canal, so that the health monitoring microphone can be closer to the inside of the ear canal, thereby further improving the accuracy of the second signal collected by the health monitoring microphone.

In some embodiments, the headset further comprises at least one of an acceleration sensor to acquire a fourth signal based on body motion and a reference microphone to acquire a fifth signal based on external noise of the headset, the acceleration sensor and the reference microphone being disposed within the housing, the reference microphone being outside the first space when the headset is worn at the ear.

In some embodiments, the headset further comprises a processor for acquiring health data based on the first signal and the second signal, the processor being connected to the health monitoring speaker and the health monitoring microphone.

In some embodiments, the health monitoring speaker is a moving coil speaker. The moving-coil loudspeaker can facilitate related technicians to determine the equivalent impedance of the health monitoring loudspeaker more easily and accurately, improve the accuracy of a Wheatstone bridge included in the earphone, and further improve the accuracy of the first signal acquired by the health monitoring loudspeaker. Of course, in practical applications, the health monitoring speaker may be other types of speakers.

In some embodiments, if the earphone includes a plurality of speakers corresponding to different frequency bands, the health monitoring speaker may be a speaker corresponding to a highest frequency band among the plurality of speakers. Such as a woofer and tweeter included in the headset, the health monitoring speaker may be the tweeter. Alternatively, in other embodiments, the health monitoring speaker may be a speaker in the headset that plays sounds with a frequency above a preset frequency threshold, where the frequency threshold may be predetermined by a person skilled in the relevant art, and when the frequency of a sound is above the frequency threshold, the sound may be considered a treble. Because the loudspeaker used for playing the sound with higher frequency is lighter than the loudspeaker used for playing the sound with lower frequency, the loudspeaker used for playing the sound with higher frequency can more accurately sense the pressure change in the first space, and then the accuracy of the first signal collected by the health monitoring loudspeaker can be further improved.

In a second aspect, an embodiment of the present application provides a health data detection system, which includes a health monitoring device and the earphone according to any one of the first aspect;

the headset sends the first signal and the second signal to the health monitoring device;

the health monitoring device obtains health data based on the first signal and the second signal.

In some embodiments, the headset further transmits to the health monitoring device at least one of a third signal, a fourth signal and a fifth signal, the third signal being a signal to be played input to the health monitoring speaker, the fourth signal being a signal indicative of body movement, the fifth signal being a signal indicative of noise external to the headset;

the health monitoring device obtains the health data based on the first signal and the second signal, and at least one of the third signal, the fourth signal, and the fifth signal received.

In some embodiments, the health monitoring device is a cell phone or a computer.

In a third aspect, an embodiment of the present application provides a health data detection system, which includes a health monitoring device and the earphone according to any one of the first aspect;

the headset further includes a processor for obtaining health data based on the first signal and the second signal, the processor being coupled to the health monitoring speaker and the health monitoring microphone.

The headset sends the health data to the health monitoring device.

It is to be understood that, for the beneficial effects of the second aspect or the third aspect, reference may be made to the relevant description in the first aspect, and details are not described herein again.

Drawings

Fig. 1 is a schematic structural diagram of an earphone according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of another earphone provided in the embodiment of the present application;

fig. 3 is a schematic structural diagram of a circuit for controlling a health monitoring speaker according to an embodiment of the present disclosure;

FIG. 4 is a schematic diagram of a voltage curve at a second interface according to an embodiment of the present disclosure;

FIG. 5 is a schematic diagram of another circuit for controlling a health monitoring speaker according to an embodiment of the present disclosure;

fig. 6 is a schematic structural diagram of another earphone provided in the embodiment of the present application;

FIG. 7 is a schematic structural diagram of a health data detection system according to an embodiment of the present application;

fig. 8 is a schematic structural diagram of an electronic device according to an embodiment of the present application.

Detailed Description

In order to facilitate understanding of the technical solution in the embodiment of the present application, an application scenario of the embodiment of the present application is first described below.

The health data can be used to indicate the health condition of the user, so that the user can more reasonably arrange daily life, such as adjusting the dietary structure and making a reasonable daily exercise plan, so as to better keep the body healthy and prolong the life.

Generally, a user needs to obtain health data through special equipment of a related institution such as a hospital or a physical examination center, for example, heart rate measurement through a heart rate meter, blood pressure measurement through a sphygmomanometer, and cardiac electric wave or brain wave measurement through a cardio-cerebral-electrograph instrument, and the user needs to obtain the health data through a plurality of processes such as reservation, registration, going to the related institution, queuing, and the like, which is extremely high in cost. Even though some health data can be measured by a portable device, so that a user can measure the health data without going out, the user generally needs to be instructed by a professional such as a doctor or read the instruction repeatedly to learn how to measure the health data, and thus the cost for the user to acquire the health data is still very high.

At present, with the continuous development of terminal technology, an earphone becomes a common device with high use frequency, and a user can use the earphone in various activities such as conversation, recording, listening to music, watching video and the like, so that the earphone can be used for acquiring health data, and the cost of acquiring the health data by the user is reduced.

The ear includes blood vessels, and when the heart moves and the blood circulates in arteries, the blood vessels correspondingly contract and expand, further causing pressure change in the ear canal, so that signals generated by the pressure change are collected, and various health data such as heart rate can be determined based on the signals.

In order to improve the accuracy of obtaining signals representing health data through an earphone, the application provides the earphone and a health data detection system.

It should be noted that in the embodiments of the present application, the earphone and the health data detecting system provided are described with reference to detecting human health data as an example, but it should be understood that the earphone and the health data detecting system can also be used for detecting health data of other animals with ears or similar ear structures based on the similar principle.

Please refer to fig. 1 or fig. 2, which is a schematic structural diagram of an earphone 100 provided in the present application. The headset 100 may include a housing 110, a health monitoring speaker 120 to acquire a first signal based on pressure changes in a first space, and a health monitoring microphone 130 to acquire a second signal based on pressure changes in the first space. The shell 110 includes a first opening 140 and a second opening (which may be the same opening as the first opening 140 in the embodiment shown in fig. 1 and 2), when the earphone 100 is worn in the ear, the shell 110 fits into the ear, and the interior of the shell 110 and the ear canal 200 of the ear are communicated through the first opening 140 and the second opening to form a first space. The health monitoring speaker 120 is disposed in the casing 110, and the health monitoring speaker 120 corresponds to the first opening, and the health monitoring microphone 130 is disposed in the casing 110, and the health monitoring microphone 130 corresponds to the second opening.

The first space may be an enclosed space or an approximately enclosed space, and the first signal and the second signal may be used to characterize and acquire health data.

The housing 110 may be the main body of the headset 100. The housing 110 may be used to house various components included in the headset 100 and may be formed in a specific shape so that the headset 100 has a specific appearance and can be worn on the ear. In some embodiments, as shown in fig. 1, the shell 110 may include a boss for insertion and fixation in the ear canal 200, and accordingly, the earphone 100 may be an in-ear or semi-in-ear earphone. In other embodiments, as shown in fig. 2, the housing 110 may include a cavity for receiving the pinna or a flat surface covering the pinna, and accordingly, the earphone 100 may be a headset. Of course, in practical applications, the housing 110 may also have a shape different from that shown in fig. 1 and fig. 2, and the shape of the housing 110 is not limited in this embodiment.

Health monitoring speaker 120, which may also be referred to as a "horn". The health monitoring speaker 120 may include a mechanical vibration system and an electrical system, which may be related to each other through a specific physical effect, so that the health monitoring speaker 120 may also perform the conversion of the electrical energy and the vibration energy, i.e., the conversion of the audio electrical signal and the sound signal. Using electrodynamic type speaker as an example, electrodynamic type speaker can include cone (or vibrating diaphragm), electrically conductive voice coil loudspeaker voice coil and permanent magnet, and when having the current through in the electrically conductive voice coil loudspeaker voice coil, electrically conductive voice coil loudspeaker voice coil can produce the magnetic field along with the signal of telecommunication change, and this magnetic field takes place the interact with permanent magnet's magnetic field for electrically conductive voice coil loudspeaker voice coil drives the cone vibration, thereby sends sound signal. Conversely, when the cone vibrates and moves the conductive coil, the conductive coil cuts the magnetic field of the permanent magnet, thereby also generating an electrical signal that varies with the vibration of the cone.

In some embodiments, health monitoring speaker 120 may include a micro-electro-mechanical system (MEMS) speaker. MEMS are micro devices or systems that integrate micro sensors, micro actuators, micro mechanical structures, micro power sources, micro energy sources, signal processing and control circuits, high performance electronic integrated devices, interfaces, and communications. MEMS speakers are speakers based on MEMS technology. In some embodiments, the health monitoring speaker 120 may include a plurality of speaker units.

In some embodiments, if a plurality of speakers corresponding to different frequency bands are included in the headset 100, the health monitoring speaker 120 may be the speaker corresponding to the highest frequency band among the plurality of speakers. Such as a woofer and tweeter included in the headset 100, the health monitor speaker 120 may be the tweeter. Alternatively, in other embodiments, the health monitoring speaker 120 may be a speaker in the headset 100 for playing a sound with a frequency above a preset frequency threshold, where the frequency threshold may be determined in advance by a person skilled in the relevant art, and when the frequency of the sound is above the frequency threshold, the sound may be considered a high sound. Because the speaker for playing the sound with higher frequency is lighter than the speaker for playing the sound with lower frequency, the speaker for playing the sound with higher frequency can sense the pressure change in the first space more accurately, and further the accuracy of the first signal collected by the health monitoring speaker 120 can be further improved.

The first opening 140 is opposite to the health monitoring speaker 120, so that the space in which the health monitoring speaker 120 is located in the earphone 100 and the first space formed by the shell 110 and the ear canal 200 have better connectivity, so that the pressure variation in the first space can be more accurately transmitted to the health monitoring speaker 120, and the acquired first signal is more accurate. In addition, since the mechanical vibration system (such as a cone or a diaphragm) of the health monitoring speaker 120 has a large volume, the pressure change in the first space can be detected more easily and accurately, and the accuracy of the first signal is improved.

Wherein the first signal may be an electrical audio signal. Since the first signal is acquired based on pressure variations of the first space caused by the heart activity and the arterial blood circulation, the first signal may be indicative of health data, i.e. health data may be acquired from the first signal.

The health monitoring microphone 130, which may also be referred to as a "microphone" or "microphone," may convert the sound signals into electrical audio signals. In some embodiments, health monitoring microphone 130 may include a MEMS microphone. In some embodiments, the health monitoring microphone 130 may include multiple microphone units. The health monitoring microphone 130 may also be referred to as a feedback microphone (FB Mic) or an in-ear microphone.

The second opening is opposite to the health monitoring microphone 130, so that the space in which the health monitoring microphone 130 is located in the earphone 100 and the first space formed by the shell 110 and the ear canal 200 have better connectivity, so that the pressure change in the first space can be more accurately transmitted to the health monitoring microphone 130, and the acquired second signal is more accurate.

Wherein the second signal may be an electrical audio signal. Since the second signal is acquired based on pressure variations in the first space caused by heart activity and arterial blood circulation, the second signal may be used to characterize the health data, i.e. the health data may be acquired from the second signal.

It should be noted that, although the first opening 140 and the second opening are the same opening in fig. 1 and fig. 2, it is understood that, in practical applications, the first opening 140 and the second opening may be different openings. It should also be noted that the position and size of the first opening 140 on the housing 110 may be set based on the position and size of the health monitoring speaker 120; similarly, the position and size of the second opening on the housing 110 may be set based on the position and size of the health monitoring microphone 130.

It should be noted that, in practical applications, in order to improve the comfort of wearing the earphone 100, a structure (such as a rubber ring or a sponge cushion) for assisting wearing may be provided on the side of the first opening 140 and the second opening close to the ear canal 200; alternatively, in order to improve the aesthetic sense of the earphone 100, decorative structures may be provided at the sides of the first opening 140 and the second opening near the ear canal 200.

In the embodiment of the present application, the earphone 100 may include a housing 110, the housing 110 includes a first opening 140 and a second opening, when the earphone 100 is worn on the ear, the housing 110 fits the ear, and the interior of the housing 110 and the ear canal 200 of the ear are communicated through the first opening 140 and the second opening to form a first space. The headset 100 further includes a health monitoring speaker 120 that acquires a first signal based on pressure changes in the first space and a health monitoring microphone 130 that acquires a second signal based on pressure changes in the first space. The health monitoring speaker 120 is disposed in the housing 110 and corresponds to the first opening, and the health monitoring microphone 130 is disposed in the housing 110 and corresponds to the second opening. Since the interior of the shell 110 and the ear canal 200 of the ear are communicated through the first opening 140 and the second opening to form the first space, the connectivity of the first space can be better, the pressure change of the first space can be more accurately transmitted to the health monitoring speaker 120 and the health monitoring microphone 130, and then the accuracy of the first signal acquired by the health monitoring speaker 120 based on the pressure change of the first space and the accuracy of the second signal acquired by the health monitoring microphone 130 based on the pressure change of the first space are higher, so that the contraction and relaxation of blood vessels in the ear canal, the heart activity and the arterial blood circulation can be more accurately reflected. And because the mechanical vibration system (such as a cone or a diaphragm) of the health monitoring speaker 120 has a large volume, the pressure change in the first space can be detected more easily and accurately, and the accuracy of the first signal can also be improved. In addition, because the first signal and the second signal are acquired based on the pressure change in the first space, the first signal and the second signal can be verified with each other, and the accuracy of the first signal and the second signal is further ensured. In summary, the earphone 100 in the embodiment of the present application may obtain two paths of the first signal and the second signal that more accurately represent the health data based on the pressure change of the first space formed by the shell 110 and the ear canal 200, so as to improve the accuracy of determining the health data.

In some embodiments, to further improve the accuracy of the health monitor speaker 120 in acquiring the first signal, the sound output surface of the health monitor speaker 120 may face the first opening, wherein the sound output surface may be a surface of the health monitor speaker closer to a mechanical vibration system such as a cone diaphragm. Similarly, to further improve the accuracy of the health monitoring microphone 130 in acquiring the second signal, the sound receiving surface of the health monitoring microphone 130 may face the second opening.

In some embodiments, as can be seen from the foregoing, the mechanical vibration system of the health monitoring speaker 120 is relatively bulky, that is, the health monitoring speaker 120 may block the transmission condition of the pressure change in the first space more easily than the health monitoring microphone 130, so that as shown in fig. 1 or fig. 2, the health monitoring microphone 130 may be disposed at one side of the health monitoring speaker 120, and when the earphone 100 is worn at the ear, the health monitoring microphone 130 is closer to the ear canal 200 than the health monitoring speaker 120, thereby greatly reducing the influence of the health monitoring microphone 130 and the health monitoring speaker 120 on the connectivity of the first space, and further improving the accuracy of the first signal and the second signal.

In some embodiments, if the earphone 100 is an in-ear earphone or a semi-in-ear earphone, the health monitoring microphone 130 may be located within the ear canal 200 when the earphone 100 is worn at the ear, so that the health monitoring microphone 130 may be closer to the inside of the ear canal 200, thereby further improving the accuracy of the second signal collected by the health monitoring microphone 130.

In some embodiments, as shown in fig. 3, the earphone 100 may further include a first interface 310, a first impedance element 320, a second impedance element 330, a third impedance element 340, and a second interface 350, a ratio of an equivalent impedance of the first impedance element 320 to an equivalent impedance of the second impedance element 330 is equal to a ratio of an equivalent impedance of the health monitoring speaker 120 to an equivalent impedance of the third impedance element 340, a positive electrode of the first interface 310 is connected to one end of the first impedance element 320 and one end of the second impedance element 330, respectively, another end of the first impedance element 320 is connected to a positive electrode of the health monitoring speaker 120 and one pole of the second interface 350, another end of the second impedance element 330 is connected to another pole of the second interface 350 and one end of the third impedance element 340, respectively, and a ground electrode of the health monitoring speaker 120 is connected to another end of the third impedance element 340 and a ground electrode of the first interface 310, respectively.

The first interface 310 may be used for the headset 100 to input a third signal to the health monitoring speaker 120, and the third signal may be an audio electrical signal to be played through the health monitoring speaker 120. In some embodiments, the frequency range of the third signal may be within 20Hz (hertz) -20KHz, and in some embodiments, the third signal may include at least one of a music signal, a speech signal, and a noise reduction signal.

The second interface 350 may be used for the headset 100 to acquire the first signal acquired by the health monitor speaker 120. Wherein the health monitoring speaker 120 is an electro-acoustic device, which in this circuit may be equivalent to the fourth impedance element 360. The first impedance element 320, the second impedance element 330, the third impedance element 340 and the fourth impedance element 360 form a wheatstone bridge, and the ratio of the equivalent impedance of the first impedance element 320 to the equivalent impedance of the second impedance element 330 and the ratio of the equivalent impedance of the fourth impedance element 360 to the equivalent impedance of the third impedance element 340 of the health monitoring speaker 120 are equal, so that the bridge is in a balanced state. When the sound signal is not picked up by the health monitoring speaker 120, the health monitoring speaker 120 has no coupled electromotive force input, and the potential difference Δ E of the second interface 350 is 0 regardless of whether the health monitoring speaker 120 is currently playing the third signal, as shown by the dotted line in fig. 4. When the health monitoring speaker 120 picks up the sound signal, the mechanical vibration system (such as a diaphragm or a cone) of the health monitoring speaker 120 vibrates, so that a corresponding electric potential is generated in the electrical system, and at this time, the electric potential difference Δ E of the second interface 350 is not 0, as shown by a solid line in fig. 4, so that the first signal can be obtained by detecting the change in the electric potential difference of the second interface 350.

That is, in the embodiment of the present application, the wheatstone bridge may be used to obtain the first signal through the health monitoring speaker 120 while the third signal is not affected to be input to the health monitoring speaker 120, so that the health data may be obtained through the headset 100 even when at least one of the music signal, the call signal, and the noise reduction signal is played through the headset 100.

The impedance element is an element having a blocking effect on a current in the circuit, and may include resistance, capacitance, inductance, and the like. The impedance of the impedance element may be expressed as

Wherein R represents resistance, L represents inductance, C represents capacitance, j is an imaginary unit, and when->

When the impedance element is an inductive load; when the temperature is higher than the set temperature

The impedance element is a capacitive load.

In some embodiments, the first impedance element 320 may include a first resistor having an impedance represented as R ₁ (ii) a The second impedance element 330 may include a second resistor having an impedance represented as R ₂ (ii) a Fourth impedance element 360 of health monitoring speaker 120 may include a fourth resistance and a second inductance, the equivalent impedance of which may be represented as R ₃ +jωL ₃ (ii) a The third impedance element 340 may comprise a third resistance and a first inductance, the equivalent impedance of which may be denoted as R ₄ +jωL ₄ . Accordingly, the impedance relationship among the first impedance element 320, the second impedance element 330, the third impedance element 340 and the fourth impedance element 360 in the foregoing can be expressed as

It should also be noted that the impedance of the health monitoring speaker 120 may be measured in advance by a person skilled in the relevant art, so as to determine the equivalent impedance of the health monitoring speaker 120, and determine the third impedance element 340 based on the equivalent impedance.

In addition, in some embodiments, the first impedance element 320, the second impedance element 330, the third impedance element 340, and the second interface 350 may not be included in the headset 100, in which case, the positive pole and the ground pole of the first interface 310 may be connected to the positive pole and the ground pole of the health monitoring speaker 120, respectively, as shown in fig. 5, and at the same time, the headset 100 may obtain the first signal from the health monitoring speaker 120 through the first interface 310, or input the third signal to be played to the health monitoring speaker 120.

In some embodiments, health monitoring speaker 120 may be a moving coil speaker. The moving-coil speaker can facilitate a person skilled in the art to determine the equivalent impedance of the health monitoring speaker 120 more easily and accurately, improve the accuracy of the wheatstone bridge included in the headset 100, and further improve the accuracy of the first signal collected by the health monitoring speaker 120. Of course, in practical applications, the health monitoring speaker 120 may be other types of speakers.

In some embodiments, as shown in fig. 6, the headset 100 may further include at least one of an acceleration sensor 150 that collects a fourth signal based on body motion and a reference microphone 160 that collects a fifth signal based on external noise of the headset 100, and the acceleration sensor 150 and the reference microphone 160 may be disposed within the housing 110, and the reference microphone 160 may be located outside the first space when the headset 100 is worn at the ear.

In some embodiments, the fifth signal may also be acquired by other types of vibrating pickups.

The reference microphone 160 is located outside the first space formed by the housing 110 and the ear canal 200 and thus may be used for acquiring a fifth signal indicative of noise outside the earphone 100 (i.e. outside the first space formed by the housing 110 and the ear canal 200). In some embodiments, the reference microphone 160 may also be referred to as a feed forward microphone (FF Mic) or an out-of-the-ear health monitoring microphone.

In some embodiments, the housing 110 is provided with a third opening opposite to the reference microphone 160, and the third opening is located outside the first space formed by the housing 110 and the ear canal 200 when the earphone 100 is worn at the ear. In some embodiments, to improve the accuracy of the reference microphone 160 in acquiring the fifth signal, the sound receiving face of the reference microphone 160 may be opposite to the third opening.

In some embodiments, a processor may also be included in the headset 100. Among other things, a processor may include one or more processing units, such as: the processor may include an Application Processor (AP), a Digital Signal Processor (DSP), and/or a neural-Network Processing Unit (NPU), among others. The different processing units may be separate devices or may be integrated in one or more processors. A memory may also be provided in the processor for storing instructions and data. In some embodiments, the memory in the processor is a cache memory. The memory may hold instructions or data that have just been used or recycled by the processor. If the processor needs to use the instruction or data again, it can be called directly from the memory. The repeated accesses are reduced, the latency of the processor is reduced, and the efficiency of the system is improved. In some embodiments, the processor may be connected to a health monitoring speaker 120 and a health monitoring microphone 130.

In some embodiments, the processor may implement conversion of a digital audio signal to an analog audio signal, or vice versa. In some embodiments, the processor may be used to encode and decode an audio electrical signal. In some embodiments, the processor may be configured to acquire health data based on the first signal and the second signal.

As can be seen from the foregoing, when the heart is activated and the arterial blood circulation is performed, the blood vessels are also correspondingly contracted and expanded, so as to further cause the pressure change in the ear canal, and the first signal and the second signal are the signals collected based on the pressure change in the first space formed by the shell 110 and the ear canal 200, so that the health data can be obtained based on the first signal and the second signal.

In some embodiments, the health data may include one or more of heart rate, blood pressure, cardiac waves, and brain waves. Of course, in practical applications, the health data may also include more data that can be used to indicate the physical health status of the user. Taking the heart rate as an example, since the heartbeat of the user has a certain periodicity, and accordingly, the pressure change in the ear canal caused by the heartbeat is also consistent to obtain the periodicity, the signal period can indicate the heart rate, the blood pressure, the cardiac wave, the brain wave and the like by detecting the signal period in the first signal or the second signal.

Taking the signal period of the first signal as an example, the processor may intercept a part of the signal from the first signal as a template signal, set a sliding window with the same duration as the template signal, and sequentially obtain the similarity between the part of the signal of the first signal in the sliding window and the template signal, thereby obtaining the signal period of the first signal. Of course, in practical applications, the processor may determine the signal period of the first signal in other manners, and the embodiment of the present application does not limit the manner of acquiring the signal period.

In some embodiments, since the first signal and the second signal are both signals acquired based on pressure changes in the first space formed by the shell 110 and the ear canal 200, when the similarity of the first signal and the second signal is relatively low (i.e., below a preset similarity threshold), it is possible that at least one of the first signal and the second signal is inaccurate and cannot accurately reflect the pressure changes in the first space; conversely, when the similarity of the first signal and the second signal is relatively high (i.e., greater than or equal to the similarity threshold), the first signal and the second signal may both be considered accurate signals. Thus, a similarity of the first signal and the second signal may be determined, and if the similarity is greater than or equal to a similarity threshold, the health data is acquired based on at least one of the first signal and the second signal, otherwise the health data is not acquired based on the first signal or the second signal. That is, before the health data is acquired, the first signal and the second signal are mutually verified, and then under the condition that the first signal and the second signal are determined to be accurate, the health data is acquired based on at least one of the first signal and the second signal, so that the accuracy of the health data is further improved.

In some embodiments, if the similarity between the first signal and the second signal is greater than or equal to the similarity threshold, the health data may be acquired based on any one of the first signal and the second signal, or the first signal and the second signal may be fused to obtain a sixth signal, and the health data is acquired through the sixth signal. The similarity between the sixth signal and the first signal and the similarity between the sixth signal and the second signal may be greater than the similarity between the first signal and the second signal, that is, compared with the first signal and the second signal, the sixth signal obtained by fusion can reflect the pressure change in the first space more accurately, so as to further improve the accuracy of the determined health data.

In some embodiments, pressure changes in the first space formed by the housing 110 and the ear canal 200 may be disturbed by at least one of body movements of the user, sound signals played by the health monitoring speaker 120, and noise external to the earphone 100 due to, in addition to heart activity and arterial blood circulation. For example, when the user is outdoors, there may be noise outside of the headset 100; when a user speaks and moves, the body of the user shakes; when the user is talking, listening to music, or watching video, the headset 100 may play the sounds in the talking, audio, or video through the health monitor speaker 120, which may affect the pressure changes in the first space. Therefore, in order to further improve the accuracy of determining the health data, the processor may acquire the health data based on the first signal and the second signal, and at least one of the third signal, the fourth signal and the fifth signal, thereby enabling the health data to be accurately acquired in various scenes, such as the user moving, speaking, listening to music, talking, indoors and outdoors.

Wherein at least one of the third signal, the fourth signal, and the fifth signal may be subtracted from the first signal, the second signal, or the sixth signal to obtain a seventh signal, and the health data may be acquired based on the seventh signal. Of course, in practical applications, the first signal, the second signal or the sixth signal may also be fused with at least one of the third signal, the fourth signal and the fifth signal by other processing manners to obtain the seventh signal, and the embodiment of the present application does not limit the manner of fusing the signals.

In some embodiments, the headset 100 may broadcast the health data through the health monitoring speaker 120 after acquiring the health data, so that the user may take corresponding measures to adjust the training intensity or the living habits.

In some embodiments, a communication module may also be included in the headset 100. The communication module may be used to enable communication within the headset 100 and/or to enable communication of the headset 100 with other devices. In some embodiments, the communication module may provide solutions for wireless communication including 2G/3G/4G/5G, and/or solutions for wireless communication including Wireless Local Area Networks (WLANs), such as wireless fidelity (Wi-Fi) networks, bluetooth (BT), global Navigation Satellite System (GNSS), frequency Modulation (FM), near Field Communication (NFC), infrared (IR), and the like. In some embodiments, the headset 100 may receive a third signal from another device through the communication module and play the third signal, so as to implement functions of conversation, audio playing, active noise reduction, and the like; in other embodiments, the headset 100 may transmit one or more of the first signal, the second signal, the fourth signal, the fifth signal, the sixth signal, and the health data acquired in the foregoing to the other device through the communication module, so that the other device can perform further processing according to the received signal or data.

It should be noted that, in practical applications, the earphone 100 may also include more or less other components, or combine some components, or split some components, or arrange different components, and the illustrated components may be implemented in hardware, software, or a combination of software and hardware, and the embodiment of the present application does not limit the specific structure of the earphone 100. For example, the headset 100 may further include a power management module for providing power input to the headset 100, keys for interacting with a user, a display screen, indicator lights, a touch panel, and the like.

Referring to fig. 7, an embodiment of the present application provides a health data detection system, which includes any one of the headsets 100 and the health monitoring device 700, and the headset 100 and the health monitoring device 700 may be connected via a network.

The health monitoring device 700 may be a device with data processing capability, such as a mobile phone, a computer, or a wearable device. Of course, in practical applications, the health monitoring device 700 may be other devices, and the embodiment of the present application does not limit the type of the health monitoring device 700.

In some embodiments, a specific application, such as "exercise health" or "heart health," may be installed in the health monitoring device 700. The headset 100 may interact with the health monitoring device 700 through the particular application, including sending one or more of the first signal, the second signal, the fourth signal, the fifth signal, the sixth signal, the seventh signal, and the health data to the health monitoring device, and the health monitoring device 700 may perform further processing based on the received data, such as generating health data or obtaining corresponding health guidance data, etc.

In some embodiments, the headset 100 may be used to transmit a first signal and a second signal to the health monitoring device 700, and the health monitoring device 700 is used to obtain health data based on the first signal and the second signal. In some embodiments, the health monitoring device 700 may be configured to determine a similarity of the first signal and the second signal, and if the similarity is greater than or equal to a similarity threshold, obtain health data based on at least one of the first signal and the second signal. In some embodiments, the headset 100 may also be configured to transmit at least one of a third signal, a fourth signal, and a fifth signal to the health monitoring device 700, the health monitoring device 700 being configured to obtain health data based on the received at least one of the third signal, the fourth signal, and the fifth signal, the first signal, and the second signal.

In some embodiments, the headset 100 may transmit a sixth signal resulting from the fusion of the first and second signals to the health monitoring device 700, and the health monitoring device 700 may acquire health data based on the sixth signal. In some embodiments, the headset 100 may also be configured to transmit at least one of a third signal, a fourth signal, and a fifth signal to the health monitoring device 700, the health monitoring device 700 being configured to acquire health data based on the received at least one of the third signal, the fourth signal, and the fifth signal and the sixth signal.

In some embodiments, the headset 100 may fuse the first signal, the second signal, or the sixth signal with at least one of the third signal, the fourth signal, and the fifth signal to obtain a seventh signal, and transmit the seventh signal to the health monitoring device 700, and the health monitoring device 700 may be configured to obtain health data based on the seventh signal.

It should be noted that the health monitoring device 700 may also obtain health data in the same or similar manner as the headset 100 described above.

In some embodiments, if the health data is detected by the health monitoring device 700, the health monitoring device 700 may send the determined health data to the headset 100, and accordingly, the headset 100 may broadcast the health data through the health monitoring speaker 120.

In some embodiments, if the health data is detected by the headset 100, the headset 100 may also send the health data to the health monitoring device 700 after the health data is acquired. After obtaining the health data, the health monitoring device 700 may present the health data to the user, or may further process the health data.

Based on the same concept, please refer to fig. 8, an embodiment of the present application further provides an electronic device 800, where the electronic device 800 may be the earphone 100 or the health monitoring device 700 in the foregoing description. The electronic device 800 may include a memory 810 and a processor 820, the memory 810 being for storing computer programs; the processor 820 is used for executing the method described in the above method embodiments when calling the computer program.

The electronic device 800 provided in this embodiment may perform the above method embodiments, and the implementation principle and the technical effect are similar, which are not described herein again.

Based on the same concept, the embodiment of the application also provides a chip system. The chip system comprises a processor, which is coupled to a memory, and which executes a computer program stored in the memory to implement the method of the above-mentioned method embodiments.

The chip system can be a single chip or a chip module consisting of a plurality of chips.

Embodiments of the present application further provide a computer-readable storage medium, on which a computer program is stored, where the computer program is executed by a processor to implement the method described in the foregoing method embodiments.

Embodiments of the present application further provide a computer program product, which, when executed on the electronic device 800, enables the electronic device 800 to implement the method described in the foregoing method embodiment when executed.

The integrated unit may be stored in a computer-readable storage medium if it is implemented in the form of a software functional unit and sold or used as a separate product. Based on such understanding, all or part of the processes in the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium and can implement the steps of the embodiments of the methods described above when the computer program is executed by a processor. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable storage medium may include at least: any entity or device capable of carrying computer program code to a photographing apparatus/terminal apparatus, a recording medium, computer memory, read-only memory (ROM), random Access Memory (RAM), electrical carrier signal, telecommunication signal, and software distribution medium. Such as a usb-disk, a removable hard disk, a magnetic or optical disk, etc.

In the above embodiments, the description of each embodiment has its own emphasis, and reference may be made to the related description of other embodiments for parts that are not described or recited in any embodiment.

Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.

In the embodiments provided in the present application, it should be understood that the disclosed apparatus/device and method may be implemented in other ways. For example, the above-described apparatus/device embodiments are merely illustrative, and for example, the division of the modules or units is only one logical division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.

In the description of the embodiments of the present application, it should be noted that the terms "mounted" and "connected" are to be interpreted broadly, unless explicitly stated or limited otherwise, and for example, "connected" may or may not be detachably connected; may be directly connected or indirectly connected through an intermediate. The directional terms used in the embodiments of the present application, such as "upper", "lower", "left", "right", "inner", "outer", and the like, are merely directions referring to the drawings, and thus, are used for better and clearer illustration and understanding of the embodiments of the present application, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the embodiments of the present application. "plurality" means at least two.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It should also be understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

As used in this specification and the appended claims, the term "if" may be interpreted contextually as "when", "upon" or "in response to a determination" or "in response to a detection". Similarly, the phrase "if it is determined" or "if a [ described condition or event ] is detected" may be interpreted contextually to mean "upon determining" or "in response to determining" or "upon detecting [ described condition or event ]" or "in response to detecting [ described condition or event ]".

Furthermore, in the description of the present application and the appended claims, the terms "first," "second," "third," and the like are used for distinguishing between descriptions and not necessarily for describing a relative importance or importance.

Reference throughout this specification to "one embodiment" or "some embodiments," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather "one or more but not all embodiments" unless specifically stated otherwise. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless expressly specified otherwise.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims

1. An earphone, comprising:

a health monitoring microphone that acquires a second signal based on a pressure change of the first space, the health monitoring microphone being disposed within the housing, the health monitoring microphone corresponding to the second opening;

the earphone further comprises a first interface, a first impedance element, a second impedance element, a third impedance element and a second interface, wherein the first impedance element, the second impedance element, the third impedance element and the health monitoring loudspeaker form a Wheatstone bridge, a third signal to be played is input to the health monitoring loudspeaker through the first interface, and the first signal collected by the health monitoring loudspeaker is obtained through the second interface.

2. The headset of claim 1, wherein a ratio of an equivalent impedance of the first impedance element to an equivalent impedance of the second impedance element is equal to a ratio of an equivalent impedance of the health monitoring speaker to an equivalent impedance of a third impedance element;

the positive pole of the first interface is connected with one end of the first impedance element and one end of the second impedance element respectively, the other end of the first impedance element is connected with the positive pole of the health monitoring loudspeaker and one pole of the second interface respectively, the other end of the second impedance element is connected with the other pole of the second interface and one end of the third impedance element respectively, and the ground pole of the health monitoring loudspeaker is connected with the other end of the third impedance element and the ground pole of the first interface respectively.

3. The headset of claim 2, wherein the first impedance element comprises a first resistance, the second impedance element comprises a second resistance, and the third impedance element comprises a third resistance and a first inductance.

4. A headset according to any of claims 1-3, wherein the first opening and the second opening are one and the same opening.

5. The headset of any of claims 1-3, wherein the health monitoring microphone is disposed on a side of the health monitoring speaker, the health monitoring microphone being closer to the ear canal than the health monitoring speaker when the headset is worn at the ear.

6. A headset according to any of claims 1-3, characterized in that the headset is an in-ear headset, a semi-in-ear headset or a headphone.

7. The earpiece of claim 6, wherein if the earpiece is the in-ear earpiece or the semi-in-ear earpiece, the health monitoring microphone is within the ear canal when the earpiece is worn at the ear.

8. A headset according to any of claims 1-3, further comprising at least one of an acceleration sensor for acquiring a fourth signal based on body movement and a reference microphone for acquiring a fifth signal based on external noise of the headset, the acceleration sensor and the reference microphone being arranged within the housing, the reference microphone being outside the first space when the headset is worn at the ear.

9. The headset of any one of claims 1-3, further comprising a processor for obtaining health data based on the first signal and the second signal, the processor being coupled to the health monitoring speaker and the health monitoring microphone.

10. A headset according to any of claims 1-3, wherein the health monitoring speaker is a moving coil speaker.