Earphone
By combining magnetic wires and a magnetic field sensor, the headphones can be automatically turned on and off and conveniently stored, solving the problems of inconvenient storage and control of existing wired headphones and improving the user experience.
Patent Information
- Application Number
- CN202422839904.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-11-20
AI Technical Summary
Existing wired headphones suffer from inconvenient storage and control, resulting in a poor user experience.
The design employs a combination of magnetic wire and magnetic field sensor to achieve automatic power on/off and convenient storage of the headphones. The magnetic field sensor detects changes in the state of the magnetic wire to control the power on/off of the headphones, and the design of the magnetic wire allows the headphones to be unfolded for use or rolled up for storage.
It enables convenient storage and automatic power on/off of headphones, improving the user experience and solving the problems of inconvenient storage and control of traditional wired headphones.
Smart Images

Figure CN223584318U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to earphone technical field, and especially provides an earphone with automatic on-off and storage functions. BACKGROUND
[0002] An earphone is a pair of transducers that accepts electrical signals from a media player or receiver and converts them to sound waves that can be heard by placing the speaker close to the ear.
[0003] Earphones include wired earphones, wireless earphones, etc., but the existing wired earphones have the problems of inconvenient storage and control, resulting in poor user experience. CONTENT OF THE INVENTION
[0004] The purpose of the embodiment of the present application is to provide an earphone, aiming at solving the problems of inconvenient storage and control of the existing earphone.
[0005] To achieve the above purpose, the technical solution adopted by the present application is:
[0006] The present application provides an earphone, comprising:
[0007] An earphone body;
[0008] A magnetic wire, two ends of the magnetic wire are connected with the earphone body respectively, the magnetic wire comprises a first part and a second part;
[0009] A magnetic field sensor, arranged at the first part of the magnetic wire and electrically connected with the earphone body, and the magnetic field sensor is adapted to switch between a first state and a second state,
[0010] In the first state, the magnetic field sensor is separated from the second part of the magnetic wire;
[0011] In the second state, the magnetic field sensor is magnetically attracted to the second part of the magnetic wire.
[0012] Optionally, the magnetic wire comprises:
[0013] An insulator, two ends of the insulator are connected with the earphone body respectively, the insulator comprises the first part and the second part;
[0014] A wire, arranged in the insulator and electrically connected with the earphone body;
[0015] A first magnetic part, arranged in the insulator along the length direction of the insulator.
[0016] Optionally, the first magnetic part comprises a plurality of magnets arranged in series along the length direction of the insulator, and the shape of the magnet is cylindrical.
[0017] The length of the magnet is between 1mm and 3mm, and / or the diameter of the magnet is between 0.5mm and 3mm.
[0018] Optionally, the earphone body comprises:
[0019] a shell connected to the insulator, and the shell is provided with a sound outlet hole;
[0020] a main board provided in the shell and electrically connected to the wire and the magnetic field sensor;
[0021] a battery provided in the shell and electrically connected to the main board;
[0022] a loudspeaker provided in the shell and corresponding to the sound outlet hole, and electrically connected to the main board.
[0023] Optionally, the shell comprises:
[0024] a first shell, the first shell is provided with the main board and the battery;
[0025] a second shell provided with the sound outlet hole, and the second shell is provided with the loudspeaker;
[0026] a connecting frame, both ends of the connecting frame are connected to the first shell and the second shell respectively, and the first shell and the second shell have a clamping space therebetween; the first shell or the second shell is connected to the insulator.
[0027] Optionally, the first shell is further provided with a Bluetooth chip, and the Bluetooth chip is electrically connected to the main board.
[0028] Optionally, the first shell is further provided with a second magnetic member, and the second magnetic member is provided on the side of the battery away from the main board.
[0029] Optionally, the first part is provided at one end of the magnetic wire adjacent to the earphone body.
[0030] Optionally, the shortest distance between the first part and the earphone body is between 3mm and 30mm.
[0031] Optionally, the magnetic field sensor is provided in the first part of the magnetic wire, and the first part is provided with an identification member outside.
[0032] and / or the number of the magnetic field sensors is at least two, and each of the magnetic field sensors is distributed at intervals.
[0033] The earphone provided by the application has the beneficial effects that compared with the prior art, the earphone provided by the application can be unfolded for use or wound for storage through the magnetic line, so as to meet different needs of users; and when the magnetic field sensor is in the first state, the magnetic field sensor is separated from the second part of the magnetic line, the magnetic line can be in an unfolded state, at this time, the earphone main body is turned on; when the magnetic field sensor is in the second state, the magnetic field sensor is magnetically attracted to the second part of the magnetic line, the magnetic line can be in a wound state, at this time, the earphone main body is turned off. Therefore, the earphone provided by the application can realize convenient storage, automatic on-off and other functions, and effectively improve the use experience of users. BRIEF DESCRIPTION OF DRAWINGS
[0034] In order to more clearly illustrate the technical solutions in the embodiments of the application, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor.
[0035] Figure 1 The structural schematic diagram of the earphone provided by the embodiment of the application is shown in the figure.
[0036] Figure 2 The structural schematic diagram of the magnetic line provided by the embodiment of the application is shown in the figure.
[0037] Figure 3 The structural sectional view of the earphone main body provided by the embodiment of the application is shown in the figure.
[0038] Figure 4 The schematic diagram of the earphone in the neck-hanging state provided by the embodiment of the application is shown in the figure.
[0039] Figure 5 The schematic diagram of the earphone in the wrist-wearing state provided by the embodiment of the application is shown in the figure.
[0040] Figure 6 The schematic diagram of the earphone in the storage state provided by the embodiment of the application is shown in the figure.
[0041] In the figure, various reference signs are as follows:
[0042] 1, earphone main body; 2, magnetic line; 3, magnetic field sensor; 4, first part; 5, second part;
[0043] 6, insulator; 7, wire; 8, first magnetic part; 9, magnet; 10, shell; 11, main board;
[0044] 12, battery; 13, loudspeaker; 14, first shell; 15, second shell; 16, connecting frame;
[0045] 17, clamping space; 18, Bluetooth chip; 19, second magnetic member; 20, identification member. DETAILED DESCRIPTION
[0046] Embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.
[0047] In the description of the embodiments of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the embodiments of the present application and simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the embodiments of the present application.
[0048] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise explicitly specified and limited.
[0049] In the embodiments of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.
[0050] To solve the problem of inconvenient storage and control of existing earphones, the present application provides an earphone, which can be an open earphone, a sports earphone, etc. The present application can realize convenient storage and automatic on-off of the earphone by using the cooperation of the magnetic wire 2 and the magnetic field sensor 3, effectively improving the user's experience.
[0051] According to an embodiment of the present application, with reference to Figures 1-6As shown, the present application provides an earphone, comprising: an earphone body 1, a magnetic line 2 and a magnetic field sensor 3. Wherein, the two ends of the magnetic line 2 are respectively connected with the earphone body 1, and the magnetic line 2 comprises a first part 4 and a second part 5; the magnetic field sensor 3 is arranged at the first part 4 of the magnetic line 2 and electrically connected with the earphone body 1, and the magnetic field sensor 3 is adapted to switch between a first state and a second state, in the first state, the magnetic field sensor 3 is separated from the second part 5 of the magnetic line 2; in the second state, the magnetic field sensor 3 is magnetically attracted to the second part 5 of the magnetic line 2.
[0052] In this embodiment of the present application, the earphone comprises left and right earphone bodies 1, which are the main part of sound output and are responsible for converting electrical signals into audio signals for users to listen to.
[0053] The magnetic line 2 is a key component for connecting the left and right earphone bodies 1, which not only bears the function of transmitting electrical signals, but also enables users to realize the use and storage of the earphone through simple operation due to its unique magnetic design.
[0054] For example, as shown in the following figure, Figure 4 The earphone can realize the neck-hanging state through the magnetic line 2, so as to be worn on the neck, which is very convenient to use.
[0055] As shown in the following figure, Figure 5 The earphone can also be wound into a bracelet state through the magnetic line 2, so as to be worn on the hand, which increases the flexibility of the earphone.
[0056] As shown in the following figure, Figure 6 The earphone can also be wound into a compact and stable storage state through the magnetic line 2, which effectively avoids clutter and realizes quick storage.
[0057] In addition, the magnetic line 2 is divided into two parts, the first part 4 is installed with the magnetic field sensor 3, and the second part 5 can be used for interaction with the magnetic field sensor 3. It can be understood that the second part 5 is the remaining part of the magnetic line 2 except the first part 4 where the magnetic field sensor 3 is installed.
[0058] Automatic on-off mechanism: the magnetic field sensor 3 can sense the change of the surrounding magnetic field. Since the magnetic field sensor 3 is arranged at the first part 4 of the magnetic line 2, the magnetic field sensor 3 can detect the base value of the magnetic field at this position. When the user winds up the earphone, the magnetic field sensor 3 will further contact the second part 5 of the magnetic line 2, resulting in an increase in the detected magnetic field strength. The change in the magnetic field strength will be captured by the magnetic field sensor 3 and a corresponding signal will be sent to the earphone body 1, triggering the off instruction. Conversely, when the user is ready to use the earphone, the earphone is unfolded, at this time, the magnetic field sensor 3 is away from the second part 5 of the magnetic line 2, the magnetic field strength is weakened, the magnetic field sensor 3 sends a corresponding signal to the earphone body 1 again, triggering the on instruction. In this way, the earphone can automatically turn on and off according to the use state, greatly facilitating the user's daily use.
[0059] It can be understood that the use state of the earphone can be determined by the magnetic field sensor 3. For example, Figure 6 When the magnetic field sensor 3 is magnetically attracted to the second part 5 of the magnetic line 2, the earphone can be in a wound storage state; for example, Figure 1 When the magnetic field sensor 3 is separated from the second part 5 of the magnetic line 2, the earphone can be in an unfolded use state.
[0060] Furthermore, the specific type of the magnetic field sensor 3 of the present application is not particularly limited, for example, it can be a Hall sensor, a magnetoresistance sensor or the like.
[0061] Convenient storage: due to the design of the magnetic line 2, the user can easily wind up the earphone, which not only reduces the space occupation, but also avoids the problem of entanglement of the wire. At the same time, through the interaction between the magnetic field sensor 3 and the magnetic line 2, it is ensured that the earphone can remain in the off state even in the storage state, saving power.
[0062] Therefore, the earphone provided by the embodiment of the present application ingeniously utilizes the magnetic and magnetic field induction technology, solves the problems of inconvenient storage and on-off control of the traditional wired earphone, and improves the user's use experience. Through the cooperation of the magnetic line 2 and the magnetic field sensor 3, not only the automatic on-off function of the earphone is realized, but also a more convenient storage mode is provided.
[0063] According to an embodiment of the present application, referring to Figure 2 The magnetic line 2 comprises: an insulator 6, a wire 7 and a first magnetic member 8, both ends of the insulator 6 are respectively connected with the earphone body 1, the insulator 6 comprises a first part 4 and a second part 5; the wire 7 is arranged in the insulator 6 along the length direction of the insulator 6 and is electrically connected with the earphone body 1; the first magnetic member 8 is arranged in the insulator 6 along the length direction of the insulator 6.
[0064] In this embodiment of the present application, the insulator 6 is the base structure of the magnetic wire 2, and its main function is to protect the internal conductive wire 7 and the first magnetic member 8 from short circuit and external environment. The insulator 6 can be made of TPU (Thermoplastic Polyurethane Elastomer) material, which has good flexibility and wear resistance, can effectively protect the internal components, reduce the loss of electrical signals, and effectively prevent the wire from being damaged due to frequent bending, thereby prolonging the service life of the earphone.
[0065] The conductive wire 7 is arranged along the length direction of the insulator 6 for transmitting electrical signals. The conductive wire 7 is electrically connected with the earphone body 1 to ensure that the audio signals can be smoothly transmitted to the left and right earphone bodies 1. In order to reduce the loss of electrical signals, the conductive wire 7 can be made of a material with good electrical conductivity, such as copper wire.
[0066] The first magnetic member 8 is arranged in the insulator 6 along the length direction of the insulator 6. The first magnetic member 8 functions to generate a magnetic field, interact with the magnetic field sensor 3, and realize the automatic on-off function of the earphone. Through the magnetic design, the wire can be stably wound together for easy storage.
[0067] In addition, the conductive wire 7 and the first magnetic member 8 can be wound together through a braided wire process to form a stable structure. This process not only increases the mechanical strength of the wire, but also improves the tensile and torsional resistance of the wire, making the magnetic wire 2 more durable.
[0068] Therefore, by combining the insulator 6, the conductive wire 7 and the first magnetic member 8, the present application forms a magnetic wire 2 with stable structure and reliable performance. The magnetic wire 2 not only has good electrical performance, but also can realize the automatic on-off of the earphone through the magnetic field sensor 3, greatly improving the user experience.
[0069] According to one embodiment of the present application, referring to Figure 2 The first magnetic member 8 includes a plurality of magnets 9 arranged in series along the length direction of the insulator 6, and the shape of the magnet 9 is cylindrical.
[0070] The length of the magnet 9 is between 1 mm and 3 mm, and / or the diameter of the magnet 9 is between 0.5 mm and 3 mm.
[0071] In this embodiment of the present application, the shape of the magnet 9 is cylindrical. The cylindrical magnet 9 has uniform magnetic field distribution, which can better interact with the magnetic field sensor 3.
[0072] The length of the magnet 9 is between 1 mm and 3 mm, and the diameter is between 0.5 mm and 3 mm. Such size design not only ensures that the magnetic force of the magnetic wire 2 is strong enough, but also ensures the overall flexibility of the magnetic wire 2.
[0073] It can be understood that the plurality of magnets 9 are arranged in series along the length direction of the insulator 6 to form a magnet chain, which can ensure that the entire magnetic wire 2 has a uniform magnetic field distribution, enhance the overall magnetic force of the magnetic wire 2, and ensure that the magnetic field sensor 3 can accurately detect the change of the magnetic field, thereby improving the detection accuracy of the magnetic field sensor 3.
[0074] In addition, the magnet chain formed by the plurality of magnets 9 in series can maintain the flexibility of the wire, so that the earphone can be easily wound and stored, thereby improving the user experience.
[0075] According to an embodiment of the present application, referring to Figure 1 and Figure 3 , the earphone body 1 comprises a shell 10, a main board 11, a battery 12 and a loudspeaker 13. The shell 10 is connected with the insulator 6, and the shell 10 is provided with a sound outlet hole. The main board 11 is arranged in the shell 10 and is electrically connected with the wire 7 and the magnetic field sensor 3. The battery 12 is arranged in the shell 10 and is electrically connected with the main board 11. The loudspeaker 13 is arranged in the shell 10 and corresponds to the sound outlet hole, and is electrically connected with the main board 11.
[0076] In this embodiment of the present application, the shell 10 is the outer shell of the earphone body 1, which is used to accommodate and protect various internal components such as the main board 11, the battery 12 and the loudspeaker 13. One end of the shell 10 is connected with the insulator 6 to ensure that the electrical signal can be transmitted from the magnetic wire 2 to the inside of the earphone body 1. The shell 10 is provided with a sound outlet hole to allow sound to be transmitted from the loudspeaker 13.
[0077] The main board 11 is the core control unit of the earphone, which is responsible for processing audio signals, power management and communication with other components. The main board 11 is arranged in the shell and is electrically connected with the wire 7 and the magnetic field sensor 3. The audio signal transmitted by the wire 7 and the magnetic field change signal detected by the magnetic field sensor 3 are processed by the main board 11.
[0078] The battery 12 is arranged in the shell 10 and is electrically connected with the main board 11. The main board 11 obtains power from the battery 12 to power other components, ensuring that the earphone can work normally.
[0079] The loudspeaker 13 is arranged in the shell 10 and corresponds to the sound outlet hole on the shell 10, and the loudspeaker 13 is electrically connected with the main board 11 to receive the audio signal transmitted by the main board 11, convert it into sound, and the sound can be clearly transmitted through the sound outlet hole.
[0080] Therefore, the embodiments of the present application realize the high performance and intelligence of the earphone by reasonably designing the various components of the earphone body 1 and their connection relationship.
[0081] According to an embodiment of the present application, referring to Figure 1 and Figure 3As shown, the shell 10 comprises: a first shell 14, a second shell 15 and a connecting frame 16, the first shell 14 is internally provided with the main board 11 and the battery 12; the second shell 15 is provided with a sound hole, and the second shell 15 is internally provided with the loudspeaker 13; the two ends of the connecting frame 16 are respectively connected with the first shell 14 and the second shell 15, and the first shell 14 and the second shell 15 have a clamping space 17 therebetween; the first shell 14 or the second shell 15 is connected with the insulator 6.
[0082] In this embodiment of the present application, the connecting frame 16 can be a hollow structure, so as to facilitate internal wiring and improve overall aesthetics. Specifically, the loudspeaker 13 in the second shell 15 can be electrically connected with the main board 11 in the first shell 14 through an electric wire, and the electric wire is arranged in the connecting frame 16.
[0083] Moreover, by designing two shells, the earphone can be a clip-on earphone, thereby improving the wearing comfort and safety of the earphone.
[0084] Specifically, the clamping space 17 is designed between the first shell 14 and the second shell 15, so that the earphone can be stably clamped on the ear of the user and is not easy to fall off; and the clip-on design makes the earphone not completely inserted into the ear canal, thereby reducing the pressure on the ear canal and improving the comfort of long-time wearing; in addition, the clip-on design keeps the ear canal open, and the user can keep the perception of the surrounding environment, which is more safe, especially when outdoor sports.
[0085] According to one embodiment of the present application, referring to Figure 3 As shown, the first shell 14 is further provided with a Bluetooth chip 18, and the Bluetooth chip 18 is electrically connected to the main board 11.
[0086] Specifically, when the earphone is turned on, the Bluetooth chip 18 is automatically started and searches for a nearby Bluetooth terminal device (such as a mobile phone, a computer, etc.). Once a paired device is found, the Bluetooth chip 18 will automatically connect. When the earphone is turned off or exceeds the Bluetooth connection range, the Bluetooth chip 18 will disconnect the connection with the terminal device.
[0087] Therefore, by adding the Bluetooth chip 18 in the first shell 14, the Bluetooth function of the earphone is realized, and the earphone can be automatically connected to the paired terminal device when the earphone is turned on, thereby simplifying the operation steps of the user and improving the user experience.
[0088] According to one embodiment of the present application, referring to Figure 3 As shown, the first shell 14 is further provided with a second magnetic member 19, and the second magnetic member 19 is arranged on the side of the battery 12 away from the main board 11.
[0089] Specifically, the second magnetic member 19 is arranged at the end of the earphone, which can be a magnet or other magnetic material. The second magnetic member 19 is used to be magnetically attracted to the second magnetic member 19 of the other earphone body 1 when being wound and stored, thereby improving the stability of storage.
[0090] Therefore, the embodiments of the present application can improve the stability of storage by the design of the second magnetic member 19, and avoid the risk of wire winding.
[0091] According to an embodiment of the present application, the first shell 14 is provided with a mounting hole, and the main board 11 is further electrically connected with a charging electrode (not shown in the figure), which is arranged in the mounting hole.
[0092] Specifically, the charging electrode is arranged in the mounting hole on the first shell 14, and when the earphone is placed on the charging base, the charging electrode is in contact with the charging contact on the charging base to charge the battery 12.
[0093] Therefore, the embodiments of the present application can conveniently place the earphone on the charging base for charging without plugging and unplugging the charging wire, thereby improving the convenience of charging.
[0094] According to an embodiment of the present application, the first shell 14 or the second shell 15 is provided with an audio inlet hole, and the earphone further comprises a microphone (not shown in the figure), which can be arranged in the first shell 14 or the second shell 15 and electrically connected with the main board 11.
[0095] Specifically, the microphone can be arranged in the first shell 14 or the second shell 15, and the position of the microphone is close to the audio inlet hole to ensure the sound pickup effect. The microphone is electrically connected with the main board 11 to transmit the voice signal through the main board 11 and realize the call function.
[0096] Therefore, the embodiments of the present application can make the earphone have the call function by the design of the microphone and the audio inlet hole, so that the user can have clear voice communication through the earphone, thereby improving the multifunctionality and practicality of the earphone.
[0097] According to an embodiment of the present application, referring to Figure 1 , the first part 4 is arranged at one end of the magnetic wire 2 adjacent to the earphone body 1, that is, the magnetic field sensor 3 is arranged near the earphone body 1. Specifically, the shortest distance between the first part 4 and the earphone body 1 is between 3 mm and 30 mm. Such design can effectively improve the detection accuracy of the magnetic field sensor 3, thereby improving the accuracy and reliability of automatic on-off.
[0098] According to an embodiment of the present application, referring to Figure 1 and Figure 6As shown, the magnetic field sensor 3 is arranged in the first part 4 of the magnetic line 2, and the first part 4 is provided with a marker 20.
[0099] Specifically, the magnetic field sensor 3 is arranged in the first part 4 of the magnetic line 2, and the first part 4 is provided with a marker 20, which can be a ball or other component with a marking function. The marker 20 can be formed on the magnetic line 2 through a sleeving process, improving the connection reliability.
[0100] According to the marker 20, the user can intuitively know the position of the magnetic field sensor 3, which is convenient for operation and maintenance, and improves the user experience.
[0101] According to one embodiment of the present application, referring to Figure 1 and Figure 6 As shown, the number of magnetic field sensors 3 is at least two, and each magnetic field sensor 3 is distributed at intervals.
[0102] In this example, two magnetic field sensors 3 are provided, and the two magnetic field sensors 3 are arranged at the two ends of the magnetic line 2, respectively.
[0103] According to the embodiment of the present application, two magnetic field sensors 3 are arranged on the magnetic line 2, which can improve the reliability and accuracy of detection, and avoid misoperation caused by single sensor failure or misdetection. Moreover, even if one of the sensors fails, the other sensor can still work normally, ensuring the normal on-off function of the earphone.
[0104] The above is only a preferred embodiment of the present application, and is not intended to limit the embodiments of the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the embodiments of the present application shall be included in the protection scope of the embodiments of the present application.
Claims
1. An earphone, characterized by comprising: The earphone comprises: an earphone body; a magnetic wire, two ends of which are connected with the earphone body respectively, the magnetic wire comprising a first part and a second part; a magnetic field sensor, which is arranged at the first part of the magnetic wire and electrically connected with the earphone body, and the magnetic field sensor is adapted to switch between a first state and a second state, in the first state, the magnetic field sensor is separated from the second part of the magnetic wire; in the second state, the magnetic field sensor is magnetically attracted to the second part of the magnetic wire.
2. The earphone of claim 1, wherein The magnetic wire comprises: an insulator, two ends of which are connected with the earphone body respectively, the insulator comprising the first part and the second part; a wire, which is arranged in the insulator and electrically connected with the earphone body; a first magnetic member, which is arranged in the insulator along the length direction of the insulator.
3. The earphone of claim 2, wherein The first magnetic member comprises a plurality of magnets arranged in series along the length direction of the insulator, and the shape of the magnet is cylindrical; the length of the magnet is between 1mm and 3mm, and / or the diameter of the magnet is between 0.5mm and 3mm.
4. The earphone of claim 2, wherein The earphone body comprises: a shell connected with the insulator, and the shell is provided with a sound outlet hole; a main board arranged in the shell and electrically connected with the wire and the magnetic field sensor; a battery arranged in the shell and electrically connected with the main board; a loudspeaker arranged in the shell and corresponding to the sound outlet hole, and electrically connected with the main board.
5. The earphone of claim 4, wherein The shell comprises: a first shell, in which the main board and the battery are arranged; a second shell, which is provided with the sound outlet hole, and in which the loudspeaker is arranged; a connecting frame, two ends of which are connected with the first shell and the second shell respectively, and the first shell and the second shell have a clamping space therebetween; the first shell or the second shell is connected with the insulator.
6. The earphone of claim 5, wherein The first shell is further provided with a Bluetooth chip, which is electrically connected to the main board.
7. The earphone of claim 5, wherein The first shell is further provided with a second magnetic member, which is arranged on the side of the battery away from the main board.
8. The earphone according to any one of claims 1 to 7, characterized in that, The first part is arranged at one end of the magnetic wire adjacent to the earphone body.
9. The earphone of claim 8, wherein, The shortest distance between the first part and the earphone body is between 3mm and 30mm.
10. The earphone according to any one of claims 1 to 7, characterized in that, The magnetic field sensor is arranged in the first part of the magnetic wire, and an identification member is arranged outside the first part; and / or the number of the magnetic field sensors is at least two, and each of the magnetic field sensors is distributed at intervals.