Earphone and earphone control method

Abstract

The embodiment of the invention provides an earphone and an earphone control method, and the earphone comprises a body, a thermopile sensor, a voltage detection module, and a temperature sensor. The body is provided with an in-ear part, and the in-ear part comprises an extending end and a root part which are deviated from each other; the thermopile sensor and the temperature sensor are both arranged on the in-ear part, the thermopile sensor comprises a first thermoelectric body and a second thermoelectric body, the first thermoelectric body comprises a first end part and a second end part, and the first end part and the second end part are distributed at intervals in the direction from the extending end to the root part; the first thermoelectric body, the second thermoelectric body and the voltage detection module are connected in series to form a detection loop, the voltage detection module is used for detecting the voltage between the first end part and the second end part, and the temperature sensor is used for detecting the test area temperature of the area where the first end part is located or the area where the second end part is located. The earphone has an ear temperature detection function.

Description

Technical Field

[0001] The present application relates to the field of earphone design technology, and in particular to an earphone and an earphone control method. Background Art

[0002] With the advancement of technology, earphones are no longer limited to being used only for listening to songs, but also have functions such as body temperature detection. In related technologies, earphones with body temperature detection are generally equipped with two temperature sensors at intervals, where the first temperature sensor is used to detect the temperature, and the second temperature sensor is used to detect the temperature difference between the areas where the two temperature sensors are located. Furthermore, based on the principle of the single-channel heat flow method, the temperature of the first temperature sensor can be compensated to achieve ear temperature detection. However, since the size of the earphone's in-ear part is too small, it is difficult to set two temperature sensors in the ear part. Summary of the invention

[0003] The embodiments of the present application provide an earphone and an earphone control method to solve the problem of how to reduce the number of temperature sensors required to be provided for an earphone with an ear temperature detection function.

[0004] In order to solve the above technical problems, this application is implemented as follows: In a first aspect, an embodiment of the present application provides a headset.

[0005] The earphones provided in the embodiment of the present application include: a body, a thermopile sensor, a voltage detection module and a temperature sensor; the body is provided with an ear inlet, and the ear inlet includes an extending end and a root that are separated from each other; the thermopile sensor and the temperature sensor are both arranged in the ear inlet, the thermopile sensor includes a first thermoelectric body and a second thermoelectric body, the first thermoelectric body includes a first end and a second end, the first end and the second end are spaced apart from each other in a direction from the extending end toward the root, the first thermoelectric body, the second thermoelectric body and the voltage detection module are connected in series to form a detection circuit, the voltage detection module is used to detect the voltage between the first end and the second end, and the temperature sensor is used to detect the temperature of a test area in an area where the first end is located or an area where the second end is located.

[0006] Optionally, there are multiple first thermoelectric bodies and multiple second thermoelectric bodies, and one second thermoelectric body is connected in series between two adjacent first thermoelectric bodies.

[0007] Optionally, the first end portions are spaced apart along a first distribution circle, and the first distribution circle surrounds the circumference of the ear inlet portion.

[0008] Optionally, the temperature sensor is used to detect the temperature of a test area where the first distribution circle is located.

[0009] Optionally, the second end portions are spaced apart and distributed along a second distribution circle, and the second distribution circle surrounds the circumference of the ear inlet portion.

[0010] Optionally, a plurality of the first thermoelectric bodies are distributed at intervals along the circumference of the ear inlet.

[0011] Optionally, the outer surface of the ear inlet is a cylindrical surface, and the thermopile sensor is wound around the ear inlet.

[0012] Optionally, the thermopile sensor includes a flexible substrate, and the first thermoelectric body and the second thermoelectric body are both arranged on the flexible substrate.

[0013] Optionally, the flexible substrate is coated on the ear-entry portion.

[0014] In a second aspect, an embodiment of the present application provides a headphone control method.

[0015] The earphone control method provided in the embodiment of the present application is applied to any one of the earphones provided in the embodiment of the present application, and the earphone control method includes: when the in-ear part is arranged in the ear canal, using the voltage detection module to detect the voltage, and using the temperature sensor to detect the temperature of the test area; based on the voltage, determining the temperature difference between the area where the first end is located and the area where the second end is located; based on the temperature difference and the temperature of the test area, determining the ear temperature.

[0016] At least one of the above technical solutions adopted in the embodiments of the present application can achieve the following beneficial effects: In the embodiment of the present application, when the ear inlet is arranged in the ear canal, the voltage between the first end and the second end can be detected by the voltage detection module, so as to determine the temperature difference between the area where the first end is located and the area where the second end is located based on the voltage. Furthermore, the temperature sensor can be used to detect the temperature of the test area where the first end is located or the area where the second end is located, and then, based on the principle of the single-channel heat flow method, the temperature detected by the temperature sensor can be compensated according to the temperature difference between the area where the first end is located and the area where the second end is located, so as to realize ear temperature detection.

[0017] It can be seen that, by adopting the solution provided in the embodiment of the present application, only one temperature sensor needs to be set, thus solving the problem in the related art that it is inconvenient to set two temperature sensors.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the related technologies, the drawings required for use in the embodiments or the related technical descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0020] Figure 1 A schematic diagram of an earphone provided in an embodiment of the present application; Figure 2 for Figure 1 A partial schematic diagram of the earphone shown in FIG. Figure 3 A schematic diagram of a thermopile sensor and a voltage detection module provided in an embodiment of the present application; Figure 4 A schematic diagram of a thermopile sensor provided in an embodiment of the present application, which shows a situation where the thermopile sensor is in a rolled shape; Figure 5 A flowchart of a headphone control method provided in an embodiment of the present application.

[0021] Description of reference numerals: 10-earphone; 11-main body; 111-ear inlet; 111a-extending end; 111b-root; 12-thermopile sensor; 121-first thermoelectric body; 1211-first end; 1212-second end; 1213-first distribution circle; 1214-second distribution circle; 122-second thermoelectric body; 123-flexible substrate; 13-voltage detection module; 14-temperature sensor. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in combination with the specific embodiments of the present application and the corresponding drawings. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present application.

[0023] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0024] In addition, although the terms used in this application are selected from well-known and commonly used terms, some terms mentioned in the specification of this application may be selected by the applicant at his or her discretion, and their detailed meanings are explained in the relevant parts of the description of this article.

[0025] Furthermore, it is required that the present application be understood not only by the actual terms used but also by the meanings connoted by each term.

[0026] The technical solutions provided by various embodiments of the present application are described in detail below in conjunction with the accompanying drawings.

[0027] The present application embodiment provides a headset. Figures 1 to 4 , the earphone 10 provided in the embodiment of the present application includes: a body 11, a thermopile sensor 12, a voltage detection module 13 and a temperature sensor 14. Exemplarily, the earphone 10 can be a True Wireless Stereo (TWS) earphone. Of course, the earphone 10 can also be other types of earphones, which are not listed here one by one. The body 11 is the main body of the earphone. For example, the body 11 includes a shell, a diaphragm, a drive coil and a magnetic part. The thermopile sensor 12 is a thermoelectric conversion device that works based on the Seebeck effect. Among them, the Seebeck effect is: a closed loop composed of two different materials (conductors or semiconductor materials), when the two nodes are at different temperatures, the carriers move along the temperature gradient, and a thermoelectromotive force is generated in the loop. This phenomenon is called the Seebeck effect.

[0028] In an embodiment of the present application, the main body 11 is provided with an in-ear portion 111. Wherein, when the user wears the earphone 10, the in-ear portion 111 is inserted into the ear canal of the user. In other words, the portion of the main body 11 inserted into the ear canal of the user can be referred to as the in-ear portion 111. Further, the in-ear portion 111 includes an extending end 111a and a root portion 111b that are opposite to each other. It can be understood that when the in-ear portion 111 is inserted into the ear canal of the user, the extending end 111a is close to the eardrum of the user, and the root portion 111b is located on the side of the extending end 111a that is away from the eardrum.

[0029] The thermopile sensor 12 and the temperature sensor 14 are both arranged at the ear inlet 111. The thermopile sensor 12 includes a first thermoelectric body 121 and a second thermoelectric body 122. The first thermoelectric body 121 includes a first end 1211 and a second end 1212, and the first end 1211 and the second end 1212 are spaced apart from each other in a direction from the protruding end 111a toward the root 111b. The first thermoelectric body 121, the second thermoelectric body 122 and the voltage detection module 13 are connected in series to form a detection circuit, and the voltage detection module 13 is used to detect the voltage between the first end 1211 and the second end 1212, and the temperature sensor 14 is used to detect the temperature of the test area where the first end 1211 is located or the second end 1212 is located.

[0030] In this way, in the embodiment of the present application, when the ear inlet 111 is disposed in the ear canal, the voltage between the first end 1211 and the second end 1212 can be detected by the voltage detection module 13, so as to determine the temperature difference between the area where the first end 1211 is located and the area where the second end 1212 is located based on the voltage. Further, the temperature sensor 14 can be used to detect the temperature of the test area where the first end 1211 is located or the area where the second end 1212 is located, and then, based on the principle of the single-channel heat flow method, the temperature detected by the temperature sensor 14 can be compensated according to the temperature difference between the area where the first end 1211 is located and the area where the second end 1212 is located, so as to achieve ear temperature detection.

[0031] It can be seen that, by adopting the solution provided in the embodiment of the present application, only one temperature sensor 14 needs to be set, thus solving the problem in the related art that it is inconvenient to set two temperature sensors.

[0032] In some embodiments, the number of the first thermoelectric body 121 and the number of the second thermoelectric body 122 are both multiple, and a second thermoelectric body 122 is connected in series between two adjacent first thermoelectric bodies 121. It should be noted that based on the series voltage division principle, when multiple first thermoelectric bodies 121 are connected in series via the second thermoelectric body 122, the voltages at both ends of each first thermoelectric body 121 will be superimposed. In this way, by providing multiple first thermoelectric bodies 121, the voltage obtained by the voltage detection module 13 can be amplified to improve the detection accuracy of the thermopile sensor 12.

[0033] In some embodiments, the first ends 1211 are spaced apart along a first distribution circle 1213, and the first distribution circle 1213 surrounds the circumference of the ear inlet 111. Exemplarily, the temperature sensor 14 is used to detect the temperature of the test area where the first distribution circle 1213 is located. Figure 2 and Figure 4 , the temperature sensor 14 can be set at various locations of the first distribution circle 1213.

[0034] In some embodiments, the second end portions 1212 are spaced apart and distributed along the second distribution circle 1214, and the second distribution circle 1214 surrounds the circumference of the ear inlet portion 111. For example, the first end portions 1211 are spaced apart and distributed along the first distribution circle 1213, and the second end portions 1212 are spaced apart and distributed along the second distribution circle 1214 by distributing a plurality of first thermoelectric bodies 121 along the circumference of the ear inlet portion 111.

[0035] In some embodiments, the outer surface of the ear inlet 111 is a cylindrical surface, and the thermopile sensor 12 is disposed around the ear inlet 111. Exemplarily, the thermopile sensor 12 includes a flexible substrate 123, and the first thermoelectric body 121 and the second thermoelectric body 122 are both disposed on the flexible substrate 123. The flexible substrate 123 is coated on the ear inlet 111.

[0036] Exemplarily, the first thermoelectric material and the second thermoelectric material can be printed end to end on the flexible substrate 123 by physical vapor deposition, chemical vapor deposition or etching to form a flexible printed circuit (FPC). For example, the first thermoelectric material deposited on the flexible substrate 123 forms a first thermoelectric body 121, and the second thermoelectric material deposited on the flexible substrate 123 forms a second thermoelectric body 122. For example, the number of first thermoelectric bodies 121 can be 200 to 500. In this way, the thermopile sensor 12 can be made into a flexible circuit board structure, so that it is convenient to roll the flexible circuit board (i.e., the thermopile sensor 12) into a roll and assemble it in the ear part 111. After the thermopile sensor 12 is installed in place, the temperature sensor 14 can be set at the first distribution circle 1213.

[0037] It should be noted that the above-mentioned manufacturing method of the thermopile sensor 12 and the assembly method of the thermopile sensor 12 and the temperature sensor 14 are only examples for facilitating technicians in this field to understand the solutions provided in the embodiments of the present application. Technicians in this field can also flexibly set the structure of the thermopile sensor 12 and flexibly adjust the assembly method of the thermopile sensor 12 and the temperature sensor 14 according to actual needs.

[0038] The present application embodiment provides a headset control method, and the headset control method provided by the present application embodiment is applied to any headset provided by the present application embodiment. Figure 5 , the headset control method provided in the embodiment of the present application includes: Step 210, when the ear inlet is arranged in the ear canal, use the voltage detection module to detect the voltage, and use the temperature sensor to detect the temperature of the test area; Step 220, determine the temperature difference between the area where the first end is located and the area where the second end is located based on the voltage; Step 230, determine the ear temperature based on the temperature difference and the temperature of the test area.

[0039] Exemplarily, when the ear inlet 111 is disposed in the ear canal, the temperature of the ear inlet 111 can be detected to determine whether the temperature of the ear inlet 111 is in a stable state, so as to avoid the earphone 10 being taken out from room temperature and then placed in the ear canal, where the earphone 10 absorbs the temperature of the ear canal and thus affects the detection accuracy of the ear temperature. Further, the voltage can be detected by the voltage detection module 13, and the temperature sensor 14 can be used to detect the temperature of the test area. Further, the temperature difference between the area where the first end 1211 is located and the area where the second end 1212 is located can be determined based on the voltage. Further, the ear temperature can be determined based on the temperature difference and the temperature of the test area.

[0040] Exemplarily, the ear temperature T can be determined based on the formula T=AT1+B(ΔT2)+C. Wherein, T1 is the temperature of the test area detected by the temperature sensor 14, A is a coefficient for correcting the temperature of the test area; ΔT2 is the temperature difference between the area where the first end 1211 is located and the area where the second end 1212 is located, B is a coefficient for correcting the temperature difference; and C is a constant.

[0041] For example, the specific values ​​or value ranges of A, B, and C can be determined by experiments. For example, each experimenter can wear headphones for testing, and obtain T1 and ΔT2 respectively, and a high-precision ear thermometer can be used to obtain the ear temperature of each experimenter, and the ear temperature obtained by the ear thermometer is used as T, and then the specific values ​​or value ranges of A, B, and C are calculated by a fitting algorithm.

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0043] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the embodiments of the present application, and the scope of the embodiments of the present application is defined by the appended claims and their equivalents.

Claims

1. An earphone (10), characterized in that: include: A body (11), a thermopile sensor (12), a voltage detection module (13) and a temperature sensor (14); The body (11) is provided with an ear inlet portion (111), and the ear inlet portion (111) comprises an extended end (111a) and a root portion (111b) which are separated from each other; The thermopile sensor (12) and the temperature sensor (14) are both arranged at the ear inlet (111); the thermopile sensor (12) comprises a first thermoelectric body (121) and a second thermoelectric body (122); the first thermoelectric body (121) comprises a first end (1211) and a second end (1212); the first end (1211) and the second end (1212) are spaced apart in a direction from the protruding end (111a) toward the root (111b); the first thermoelectric body (121), the second thermoelectric body (122) and the voltage detection module (13) are connected in series to form a detection loop; the voltage detection module (13) is used to detect the voltage between the first end (1211) and the second end (1212); and the temperature sensor (14) is used to detect the temperature of a test area where the first end (1211) is located or where the second end (1212) is located.

2. The earphone (10) according to claim 1, characterized in that The first thermoelectric bodies (121) and the second thermoelectric bodies (122) are both in plurality, and one second thermoelectric body (122) is connected in series between two adjacent first thermoelectric bodies (121).

3. The earphone (10) according to claim 2, characterized in that The first end portions (1211) are spaced apart along a first distribution circle (1213), and the first distribution circle (1213) surrounds the ear inlet portion (111) in a circumferential direction.

4. The earphone (10) according to claim 3, characterized in that The temperature sensor (14) is used to detect the temperature of a test area in an area where the first distribution circle (1213) is located.

5. The earphone (10) according to claim 2, characterized in that The second end portions (1212) are spaced apart along a second distribution circle (1214), and the second distribution circle (1214) surrounds the ear inlet portion (111) in a circumferential direction.

6. The earphone (10) according to claim 2, characterized in that A plurality of the first thermoelectric bodies (121) are distributed at intervals along the circumference of the ear inlet (111).

7. The earphone (10) according to claim 2, characterized in that The outer surface of the ear inlet portion (111) is a cylindrical surface, and the thermopile sensor (12) is wound around the ear inlet portion (111).

8. The earphone (10) according to claim 7, characterized in that The thermopile sensor (12) comprises a flexible substrate (123), and the first thermoelectric body (121) and the second thermoelectric body (122) are both arranged on the flexible substrate (123).

9. The earphone (10) according to claim 8, characterized in that The flexible substrate (123) is coated on the ear inlet (111).

10. A headset control method, applied to the headset (10) according to any one of claims 1 to 9, characterized in that: The earphone control method comprises: When the ear inlet (111) is arranged in the ear canal, the voltage is detected by using the voltage detection module (13), and the temperature sensor (14) is used to detect the temperature of the test area; Determining a temperature difference between an area where the first end (1211) is located and an area where the second end (1212) is located based on the voltage; Based on the temperature difference value and the test area temperature, the ear temperature is determined.

Images