WO2024045045A1 - 一种耳机 - Google Patents

一种耳机 Download PDF

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Publication number
WO2024045045A1
WO2024045045A1 PCT/CN2022/116220 CN2022116220W WO2024045045A1 WO 2024045045 A1 WO2024045045 A1 WO 2024045045A1 CN 2022116220 W CN2022116220 W CN 2022116220W WO 2024045045 A1 WO2024045045 A1 WO 2024045045A1
Authority
WO
WIPO (PCT)
Prior art keywords
ear
holding part
holding portion
holding
hook
Prior art date
Application number
PCT/CN2022/116220
Other languages
English (en)
French (fr)
Inventor
徐江
胡偲
郑泽英
张浩锋
Original Assignee
深圳市韶音科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市韶音科技有限公司 filed Critical 深圳市韶音科技有限公司
Priority to PCT/CN2022/116220 priority Critical patent/WO2024045045A1/zh
Priority to CN202321904221.2U priority patent/CN220823245U/zh
Priority to CN202321895344.4U priority patent/CN220732968U/zh
Priority to CN202223241146.4U priority patent/CN219478097U/zh
Priority to CN202223258885.4U priority patent/CN219592604U/zh
Priority to CN202211538935.6A priority patent/CN117641175A/zh
Priority to PCT/CN2022/136041 priority patent/WO2024045391A1/zh
Publication of WO2024045045A1 publication Critical patent/WO2024045045A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present application relates to the technical field of electronic equipment, specifically to an earphone.
  • Electronic devices have become indispensable social and entertainment tools in people's daily lives, and people's requirements for electronic devices are getting higher and higher.
  • Electronic devices such as headphones have also been widely used in people's daily lives. They can be used in conjunction with terminal devices such as mobile phones and computers to provide users with an auditory feast.
  • terminal devices such as mobile phones and computers to provide users with an auditory feast.
  • earphones according to the working principle of earphones, they can generally be divided into air conduction earphones and bone conduction earphones; according to the way the user wears the earphones, they can generally be divided into headset earphones, earhook earphones and in-ear earphones; according to the earphones
  • the interaction methods with electronic devices can generally be divided into wired headphones and wireless headphones.
  • An embodiment of the present application provides an earphone.
  • the earphone includes a hook-shaped part and a holding part connected to the hook-shaped part. At least part of the hook-shaped part is used to be hung between the back side of the user's ear and the head.
  • the holding part It is used to contact the front side of the ear; wherein, in the wearing state, the free end of the holding part that is not connected to the hook part extends into the concha cavity of the ear.
  • the beneficial effects of this application are: when the earphones provided by this application are worn, the free end of the holding part that is not connected to the hook part extends into the concha cavity of the ear, so that the holding part is tilted relative to the sagittal axis of the human body. , which is conducive to increasing the distance between the center of gravity of the holding part and the upper ear root of the ear, that is, reducing the center of gravity of the holding part in the wearing state, thereby improving the stability of the earphones in terms of wearing.
  • Figure 1 is a schematic diagram of the front side structure of the user's ear according to the present application.
  • Figure 2 is a schematic front structural view of an embodiment of the earphone provided by the present application.
  • Figure 3 is a schematic left structural diagram of the earphone in Figure 2;
  • Figure 4 is a schematic view of the front side of the headset in Figure 2 when it is worn and viewed along the coronal axis of the human body;
  • Figure 5 is a schematic view from the rear side of the headset in Figure 2 when it is worn and viewed along the sagittal axis of the human body;
  • Figure 6 is a schematic front structural view of an embodiment of the earphone provided by the present application.
  • Figure 7 is a schematic structural diagram of the side of the holding portion facing the ear in Figure 6;
  • Figure 8 is a schematic view of the front side of the headset in Figure 6 when it is worn and viewed along the coronal axis of the human body;
  • Figure 9 is a schematic front structural view of an embodiment of the earphone provided by the present application.
  • Figure 10 is a schematic structural diagram of the side of the holding part facing the ear in Figure 9;
  • FIG. 11 is a schematic view of the front side of the headset in FIG. 9 when viewed along the coronal axis of the human body.
  • the user's ear 100 in addition to the external auditory canal 101 and the nearby concha cavity 102, the user's ear 100 also has a certain depth and volume in the three-dimensional space such as the concha cavity 103 and the triangular fossa 104, which can also be used to achieve Headphone wearing requirements.
  • the structure of the earphones and using parts of the user's ears 100 other than the external auditory canal 101 it is also possible to wear the earphones and propagate mechanical vibrations, and "liberate" the user's external auditory canal 101 , thereby increasing the number of users. Good health can also reduce the probability of traffic accidents.
  • the present application proposes an earphone in a new way, and mainly uses the upper part of the user's ear 100 (specifically, the concha cavity 102, the concha membrane 103, the triangular fossa 104, the antihelix 105, and the scaphoid 106 , the area where the ear helix 107 and other parts are located) to achieve the wearing of the earphones and the propagation of mechanical vibration.
  • the user's earlobe 108 and other parts can also be further used.
  • the external auditory canal has a certain depth and extends to the tympanic membrane, for the convenience of description and in conjunction with Figure 1, in this application, unless otherwise specified, the external auditory canal specifically refers to its entrance away from the tympanic membrane, that is, the ear hole. .
  • the "front side of the ear” mentioned in this application is a concept relative to the "back side of the ear". The former refers to the side of the ear away from the head, as shown in Figure 1, and the latter refers to the side of the ear facing On one side of the head, they are aimed at the user's ears.
  • tragus 109 around the external auditory canal of the ear 100, which has a certain depth and volume in the three-dimensional space compared to the concha cavity, concha fossa, triangular fossa and other parts, that is, these parts are close to the user along the
  • the direction of the head is concave toward the back of the ear, and the tragus is convex toward the front of the ear in a direction away from the user's head.
  • the sagittal plane refers to the section perpendicular to the ground along the front and back directions of the body, which divides the human body into left and right parts
  • the coronal plane refers to the section perpendicular to the ground along the left and right directions of the body, which divides the human body into front and rear parts.
  • the horizontal plane refers to the section parallel to the ground made along the up and down direction of the body, which divides the human body into upper and lower parts.
  • the sagittal axis refers to the axis that passes perpendicularly through the coronal plane along the front-to-back direction of the body
  • the coronal axis refers to the axis that passes perpendicularly through the sagittal plane along the left-right direction of the body
  • the vertical axis refers to the axis that passes perpendicularly through the horizontal plane along the up-and-down direction of the body.
  • the three directions X, Y and Z can be simply regarded as the coronal axis, sagittal axis and vertical axis of the human body respectively; the three planes XY, XZ and YZ can be simply regarded as the horizontal plane of the human body respectively. , human coronal axis and human sagittal plane.
  • the earphone 10 may include a hook portion 11 and a holding portion 13 connected to the hook portion 11 . At least part of the hook portion 11 is used to be hung between the back side of the user's ear and the head. , the holding part 13 is used to contact the front side of the ear, so as to allow the hook part 11 and the holding part 13 to clamp the ear together. In other words, the hook portion 11 and the holding portion 13 may not be coplanar in a three-dimensional space.
  • the holding portion 13 may have a thickness direction, a length direction and a width direction that are orthogonal to each other. The aforementioned thickness direction is defined as the direction in which the holding portion 13 approaches or moves away from the ear in the wearing state.
  • the hook-shaped part 11 may include a connecting section 111 connected to the holding part 13 and a free section 112 connected to the connecting section 111.
  • the connecting section 111 and the free section 112 are respectively located on opposite sides of the holding part 13 in the aforementioned width direction. side.
  • the maximum distance between the connecting section 111 and the holding portion 13 in the width direction can be between 10 mm and between 17mm.
  • the aforementioned maximum spacing may be between 11 mm and 14 mm.
  • the distance between the antihelixes, that is, the moment of inertia of the antihelixes or upper ear bases of the earphones 10 relative to the ear increases during the user's movements such as shaking his head left and right, lowering his head and raising his head, and jumping up and down, thereby improving the efficiency of the earphones. 10. Stability in wearing.
  • a simulator including a head and its (left and right) ears can be produced based on ANSI: S3.36, S3.25 and IEC: 60318-7 standards, such as GRAS 45BC KEMAR, so this application Descriptions such as “the user is wearing the headset” or “the headset is in a wearing state” may mean that the headset is worn on the ear of the aforementioned simulator.
  • the "wearing state” mentioned in this application can refer to the normal wearing state after the earphones are worn on the ears of the simulator; for the convenience of description, the aforementioned normal wearing state can be further viewed from the front and back sides of the ears. For illustration, for example, the normal wearing state shown in Figures 4 and 5.
  • the center of gravity mentioned in this application refers to the point where the earth's gravitational force acts on every tiny part of the object.
  • the center of mass mentioned in this application refers to an imaginary point on the material system where the mass is considered to be concentrated.
  • a plumb line can be used to find the center of gravity of an object (for example, the holding part 13).
  • the holding part 13 may first be separated from the earphone 10 along the reference line RL shown in FIG. 2. Based on this, the reference line RL may be the dividing line between the hook portion 11 and the holding portion 13 .
  • the reference line RL may be the dividing line between the hook portion 11 and the holding portion 13 .
  • the hook portion 11 and the holding portion 13 are plastic parts respectively, and the two are connected by at least one of glue connection, snap connection, and plugging, then the connection relationship between the two can be destroyed, and the two parts can also be connected.
  • the holding part 13 is removed from the earphone 10 .
  • the earphone 10 may also include a movement 14 , a motherboard 15 and a battery 16 .
  • the movement 14 is mainly used to convert electrical signals into corresponding mechanical vibrations (that is, "sound"), and can be electrically connected to the mainboard 15 and the battery 16 through corresponding conductors;
  • the mainboard 15 is mainly used to control The sound generation of the movement 14;
  • the battery 16 is mainly used to provide electrical energy for the sound generation of the movement core 14.
  • the earphone 10 described in this application may also include microphones such as microphones and pickups, and may further include communication devices such as Bluetooth, which are electrically connected to the motherboard 15 and the battery 16 through corresponding conductors to implement corresponding functions.
  • the holding part 13 can also be provided with some functions in addition to the movement 14 .
  • Function buttons that facilitate the user to interact with the headset 10 .
  • the mainboard 15 can also be disposed on the holding portion 13 to shorten the wiring distance between the movement 14 and other functions, such as function keys, and the mainboard 15 .
  • the angle between the length direction of the holding portion 13 and the direction of the sagittal axis of the human body (for example, shown as ⁇ ) can be between 15° and 60°.
  • the aforementioned included angle may be between 25° and 45°.
  • the holding part 13 is generally set in a regular structure, for example, the outer shape of the holding part 13 is set in a rounded rectangle, so that the holding part 13 is at least in shape relative to a length direction parallel to the holding part 13
  • the axis of symmetry (for example, shown by the dotted line SA) is set symmetrically, that is, the angle ⁇ can be the angle between the axis of symmetry SA and the sagittal axis Y of the human body.
  • the holding portion 13 has a free end 131 that is not connected to the hook portion 11 and a connecting end 132 that is connected to the hook portion 11 .
  • the free end 131 of the holding part 13 may be farther away from the free section 112 of the hook-shaped part 11 than the connecting end 132 of the holding part 13 .
  • the free end 131 of the holding part 13 that is not connected to the hook-shaped part 11 is compared with the free end 131 of the holding part 13 that is connected to the hook-shaped part 11 .
  • the connection end 132 is closer to the top of the user's head.
  • the holding part 13 is inclined relative to the sagittal axis of the human body, so that the holding part 13 is inclined toward the external auditory canal of the ear in the wearing state, so as to increase the distance between the center of gravity of the holding part 13 and the upper ear root of the ear, that is, to reduce the distance between the center of gravity of the holding part 13 and the upper ear root of the ear.
  • the center of gravity of the holding portion 13 in the wearing state is beneficial to improving the wearing stability of the earphone 10 .
  • the free end 131 of the holding part 13 is in contact with the anti-helix of the ear, so that the holding part 13 compresses the ear at least at the anti-helix of the ear; the holding part 13 When projected onto the ear along the direction of the coronal axis of the human body, it partially overlaps with the concha cavity of the ear, that is, the concha cavity of the ear is at least partially covered by the holding part 13 .
  • the retaining portion 13 in the wearing state, when the retaining portion 13 is projected onto the ear along the direction of the coronal axis of the human body, it is at least partially offset from the external auditory canal of the ear, that is, the external auditory canal of the ear is at least partially not covered by the retaining portion 13, so as to facilitate " Liberate the external auditory canal of the ear.
  • the concha cavity of the ear is at least partially covered by the retaining part 13, that is, the retaining part 13 faces in the wearing state.
  • the external auditory canal of the ear is tilted, so that the distance between the center of mass of the holding part 13 and the antihelix of the ear is increased. That is, the earphone 10 is relatively close to the ear when the user performs movements such as shaking his head left and right, lowering his head and raising his head, and jumping up and down. The moment of inertia of the antihelix or the base of the upper ear is increased, which is beneficial to improving the wearing stability of the earphone 10 .
  • the distance between the center of gravity (for example, G) of the holding part 13 and the free end 131 of the holding part 13 (for example, T2 ) and the length of the holding portion 13 (for example, L) may be between 0.5 and 0.75.
  • the center of gravity of the holding part 13 is further away from the free end 131 of the holding part 13, so that the distance between the center of mass of the holding part 13 and the antihelix of the ear increases, That is to say, when the user performs movements such as shaking his head left and right, lowering his head and raising his head, and jumping up and down, the rotational inertia of the antihelix or upper ear base of the ear is increased, which is beneficial to improving the stability of the earphone 10 when worn.
  • the reference plane where the sagittal plane of the human body is located can also be defined as a reference plane perpendicular to the thickness direction of the holding part 13 .
  • the length of the holding part 13 (for example, shown as L in FIG. 4 ) may be between 22 mm and 35 mm. Preferably, the aforementioned length may be between 25mm and 32mm.
  • the length of the holding part 13 is too short, for example, it is too short to contact the anti-helix of the ear, which is not conducive to the holding part 13 and the hook-shaped part 11 clamping the user's ear together; and the length of the holding part 13 is too long, for example, too long.
  • a large part of the helix protrudes from the ear, which easily causes the user or a third party to touch the earphone 10, which is detrimental to the reliability of the earphone 10 in terms of wearing.
  • the width of the holding part 13 at 3/4 of its length is equal to the width of the holding part 13 at The ratio between the width at 1/4 of its length can be between 1 and 2.
  • the aforementioned ratio may be between 1 and 1.3. In this way, it is beneficial to shift the center of gravity (that is, the center of mass) of the retaining portion 13 toward its connecting end 132 , thereby increasing the distance between the center of gravity of the retaining portion 13 and the upper ear base of the ear, and increasing the size of the retaining portion 13 The distance between the center of mass and the antihelix of the ear.
  • the movement 14 can be disposed on the holding portion 13 , and the holding portion 13 can also be tilted toward the external auditory canal of the ear in the wearing state, so that the movement 14 can be located at the connection end 132 of the holding portion 13 to shorten the movement 14 (specifically, it can be the sound outlet hole on the holding part 13) and the external auditory canal of the ear, which is beneficial to increasing the intensity of the sound emitted by the movement 14 heard by the user.
  • the connecting end 132 of the holding part 13 is set wider than the free end 131 of the holding part 13, the volume of the movement 14 allowed by the connection end 132 of the holding part 13 can also be larger, which is beneficial to increasing the size of the movement.
  • the battery 16 may be disposed in the hook 11 (not shown). Specifically, the battery 16 may be disposed close to the free section 112 of the hook 11 . This is beneficial to increasing the capacity of the battery 16 and balancing the weight distribution of the earphone 10.
  • the movement 14 , the motherboard 15 and the battery 16 may be disposed in the holding part 13 .
  • the hook-shaped portion 11 can be contoured into a structure that fits better with the back side of the ear (and the head), which is beneficial to improving the wearing stability of the earphone 10.
  • the movement 14 may be located at the connection end 132 of the holding part 13
  • the battery 16 may be located at the free end 131 of the holding part 13 .
  • the position of the center of gravity of the holding part 13 can be adjusted.
  • the battery 16 is closer to the free end 131 than the movement 14, and the size of the movement 14 in the width direction of the holding part 13 is larger than the size of the battery 16 in the aforementioned width direction.
  • the free end 131 of the holding part 13 may be closer to the end of the free section 112 of the hook-shaped part 11 away from the connecting section 111 than the connection end 132 of the holding part 13 .
  • the free end 131 of the holding part 13 that is not connected to the hook-shaped part 11 is smaller than the holding part 13 and the hook-shaped part 11.
  • the connecting end 132 of the 11 connection is further away from the top of the user's head.
  • the holding part 13 is also tilted relative to the sagittal axis of the human body to increase the distance between the center of gravity of the holding part 13 and the upper ear base of the ear, that is, to reduce the center of gravity of the holding part 13 in the wearing state, which is beneficial to improving The stability of the earphone 10 in terms of wearing.
  • the free end 131 of the holding portion 13 that is not connected to the hook portion 11 can extend into the concha cavity of the ear to allow the holding portion 13 to be tilted relative to the sagittal axis of the human body.
  • the movement 14 , the motherboard 15 and the battery 16 can also be arranged in the holding part 13 so that the profiling structure of the hook part 11 does not interfere with the battery 16 .
  • the main difference from the above embodiment is that the movement 14 can be closer to the free end 131 than the battery 16 to shorten the distance between the movement 14 (specifically, it can be the sound outlet hole on the holding part 13) and the external auditory canal of the ear.
  • the free end 131 of the holding part 13 is configured to extend into the concha cavity of the ear, the holding part 13 does not extend into the external auditory canal of the ear in order to "liberate" the external auditory canal. .
  • the retaining part 13 may cover part of the external auditory canal when worn. This situation cannot be confused with the direct insertion of the retaining part 13 into the external auditory canal, that is, the two are different.
  • the free end 131 of the holding part 13 can be against or pressed in the concha cavity of the ear.
  • the holding part 13 is against the concha cavity of the ear in its length direction.
  • the holding part 13 can be pressed against the concha cavity of the ear. Press and hold it in the concha cavity of the ear in the direction of its thickness.
  • the holding portion 13 in addition to the hook-shaped portion 11 exerting a clamping force and friction force on the back side of the ear, the holding portion 13 can also form a contact force or a clamping force and friction force with the concha cavity of the ear. force and other forces, thereby improving the stability of the earphone 10 in terms of wearing.
  • the inventor of the present application discovered during long-term research and development work that when the free end 131 of the holding part 13 is set to extend into the concha cavity of the ear, the holding part 13 will at least partially cover the tragus of the ear;
  • the tragus of the ear generally protrudes toward the front of the ear in a direction away from the user's head, making it easy to be held by the retaining portion 13 , which may easily cause discomfort when wearing the earphone 10 for a long time.
  • the holding portion 13 is configured to avoid the tragus of the ear when worn, so as to avoid squeezing the tragus of the ear, thereby improving the wearing comfort of the earphone 10 .
  • the connecting end 132 of the retaining portion 13 is partially protruded compared to the free end 131 , so that the retaining portion 13 faces the inner side of the ear. It is not flat as a whole.
  • the connecting end 132 of the holding part 13 is in contact with the skin around the tragus, so that other areas of the holding part 13 can avoid the tragus of the ear.
  • connection end 132 of the holding part 13 is partially protruded relative to the free end 131, and the battery 16 can be disposed at the connection end 132 of the holding part 13, the size of the battery 16 in the thickness direction of the holding part 13 is increased. Larger, it is helpful to increase the capacity of the battery 16, thereby extending the standby/use time of the earphone 10.
  • the connecting end 132 of the holding part 13 is bent relative to the free end 131 so that the holding part 13 is not flat as a whole.
  • the connecting end 132 of the holding part 13 in contact with the skin around the tragus, so that other areas of the holding part 13 can avoid the tragus of the ear.
  • the connection end 132 of the holding part 13 is bent relative to the free end 131, the movement 14 and the battery 16 can be respectively disposed on the free end 131 and the connection end 132 of the holding part 13, so that the connection end of the holding part 13
  • the bend between 132 and the free end 131 can exactly correspond to the space between the movement 14 and the battery 16 .
  • the main difference lies in the position where the connecting end 132 of the holding part 13 contacts the user's skin in the wearing state.
  • the connecting end 132 of the holding part 13 is in contact with the user's skin closer to the upper ear root of the ear when worn, that is, closer to the user. of the head.
  • optimizing the weight distribution of the earphone 10 and the clamping force provided by the earphone 10 are also conducive to improving the stability of the earphone 10 in terms of wearing.
  • the ratio between the mass of the hook portion 11 and the mass of the holding portion 13 may be between 1/9 and 1/2.
  • the aforementioned ratio may be between 1/6.5 and 1/3.5.
  • one part of it can be regarded as the holding part 13, and the other part can be regarded as the hook part 11, so as to facilitate the measurement of the hook part 11 and the holding part 13 respectively. the quality of.
  • the hook-shaped part 11 may include an elastic metal wire connected to the holding part 13 and an elastic coating body covering the elastic metal wire.
  • the elastic metal wire mainly allows the hook-shaped part 11 to cooperate with the holding part 13 to Providing corresponding clamping force, the elastic covering body is mainly used to improve the wearing comfort of the hook-shaped portion 11 and its fit with the back side of the ear (and the head).
  • the thickness of the elastic covering body may be between 1 mm and 3.5 mm.
  • the aforementioned thickness may be between 1.5mm and 2.5mm.
  • the Shore hardness of the elastic covering body may be 0-40A; preferably, the aforementioned Shore hardness may be 0-10A.
  • the material of the elastic covering body may be one of silicone, foam sponge, thermoplastic polyurethane elastomer, thermoplastic elastomer, etc. or a combination thereof.
  • the material of the elastic covering can preferably be a single silicone or thermoplastic polyurethane elastomer, or a composite structure of sponge and silicone, such as a sponge covered on an elastic wire. The silicone is coated on the sponge.
  • the holding part 13 may include a shell and an elastic coating covering the shell.
  • the shell is mainly used to accommodate structural components such as the movement 14 , the motherboard 15 , and the battery 16 and to cooperate with the hook part 11
  • the elastic coating is mainly used to improve the wearing comfort of the holding part 13 and the fit between it and the front side of the ear.
  • the thickness of the elastic coating may be between 1 mm and 3.5 mm.
  • the aforementioned thickness may be between 1.5mm and 2.5mm.
  • the Shore hardness of the elastic coating may be 0-40A; preferably, the aforementioned Shore hardness may be 0-10A.
  • the material of the elastic coating may be one of silicone, foam sponge, thermoplastic polyurethane elastomer, thermoplastic elastomer, etc. or a combination thereof.
  • the material of the elastic coating can preferably be a single silicone or thermoplastic polyurethane elastomer, or a composite structure of sponge and silicone.
  • the sponge is coated on the shell and the silicone is Covered in sponge.
  • the sponge can be mainly located at the free end 131 of the holding part 13, so that the holding part 13 contacts the ear through the sponge and the silicone on it, that is, the part where the sponge is located in the holding part 13 Areas are softer than other areas.
  • the area of the area where the sponge is located in the holding part 13 may be larger than 2 ⁇ 2 mm 2 ; preferably, the aforementioned area may be larger than 5 ⁇ 5 mm 2 .
  • the clamping force exerted by the holding part 13 and the hook-shaped part 11 on the user's ear may be between 0.1N and 0.5N.
  • the aforementioned clamping force may be between 0.15N and 0.3N.
  • the clamping force described in this application can be measured with the help of a tension meter.
  • wear the earphone 10 on the above-mentioned simulator or the user's ear that is, in the wearing state; then fix the tension meter on the side of the holding part 13 away from the ear, then pull the tension meter and observe; in the holding part 13
  • the tension displayed on the tension gauge which can be simply regarded as the clamping force.
  • the hook-shaped portion 11 may partially overlap the holding portion 13 when projected onto the holding portion 13 along the thickness direction of the holding portion 13 .
  • the hook-shaped portion 11 and the retaining portion 13 can not only hold the ear from the front and rear sides of the ear, but also the aforementioned clamping force mainly manifests as compressive stress, which is beneficial to increasing the wearability of the ear. stability and comfort.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Headphones And Earphones (AREA)

Abstract

本申请主要是涉及一种耳机，包括钩状部和与钩状部连接的保持部，至少部分钩状部用于挂设在用户的耳部的后侧与头部之间，保持部用于接触耳部的前侧；其中，在佩戴状态下，保持部不与钩状部连接的自由端伸入耳部的耳甲腔内，以使得保持部相对于人体矢状轴倾斜设置，这样有利于增大保持部的重心与耳部的上耳根之间的距离，也即降低保持部在佩戴状态下的重心，从而改善耳机在佩戴方面的稳定性。

Description

一种耳机 技术领域
本申请涉及电子设备的技术领域，具体是涉及一种耳机。
背景技术
随着电子设备的不断普及，电子设备已经成为人们日常生活中不可或缺的社交、娱乐工具，人们对于电子设备的要求也越来越高。耳机这类电子设备，也已广泛地应用于人们的日常生活，它可以与手机、电脑等终端设备配合使用，以便于为用户提供听觉盛宴。其中，按照耳机的工作原理，一般可以分为气导式耳机和骨导式耳机；按照用户佩戴耳机的方式，一般又可以分为头戴式耳机、耳挂式耳机和入耳式耳机；按照耳机与电子设备之间的交互方式，一般还可以分为有线式耳机和无线式耳机。
发明内容
本申请实施例提供了一种耳机，耳机包括钩状部和与钩状部连接的保持部，至少部分钩状部用于挂设在用户的耳部的后侧与头部之间，保持部用于接触耳部的前侧；其中，在佩戴状态下，保持部不与钩状部连接的自由端伸入耳部的耳甲腔内。
本申请的有益效果是：本申请提供的耳机在佩戴状态下，保持部不与钩状部连接的自由端伸入耳部的耳甲腔内，以使得保持部相对于人体矢状轴倾斜设置，这样有利于增大保持部的重心与耳部的上耳根之间的距离，也即降低保持部在佩戴状态下的重心，从而改善耳机在佩戴方面的稳定性。
附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本申请所述用户的耳部一轮廓的前侧结构示意图；
图2是本申请提供的耳机一实施例的主视结构示意图；
图3是图2中耳机的左视结构示意图；
图4是图2中耳机处于佩戴状态且沿人体冠状轴观察的前侧视角示意图；
图5是图2中耳机处于佩戴状态且沿人体矢状轴观察的后侧视角示意图；
图6是本申请提供的耳机一实施例的主视结构示意图；
图7是图6中保持部朝向耳部一侧的结构示意图；
图8是图6中耳机处于佩戴状态且沿人体冠状轴观察的前侧视角示意图；
图9是本申请提供的耳机一实施例的主视结构示意图；
图10是图9中保持部朝向耳部一侧的结构示意图；
图11是图9中耳机处于佩戴状态且沿人体冠状轴观察的前侧视角示意图。
具体实施方式
下面结合附图和实施例，对本申请作进一步的详细描述。特别指出的是，以下实施例仅用于说明本申请，但不对本申请的范围进行限定。同样的，以下实施例仅为本申请的部分实施例而非全部实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
本申请中提及“实施例”意味着，结合实施例描述的特定特征、结构或特性可以包含在本申请的至少一个实施例中。本领域技术人员显式地和隐式地理解的是，本申请所描述的实施例可以与其他实施例相结 合。
结合图1，用户的耳部100除了外耳道101及其附近的耳甲腔102之外，耳甲艇103、三角窝104等部位在三维空间中也具有一定的深度及容积，也可以用于实现耳机的佩戴需求。换言之，通过合理地设计耳机的结构，并借助用户的耳部100除了外耳道101以外的部位，同样能够实现耳机的佩戴及机械振动的传播，并“解放”用户的外耳道101，进而既能够增加用户的身体健康，又能够降低交通意外的发生概率。基于此，本申请另辟蹊径地提出一种耳机，并主要是借助用户的耳部100的上半部分(具体可以是耳甲腔102、耳甲艇103、三角窝104、对耳轮105、耳舟106、耳轮107等部位所在的区域)，以实现耳机的佩戴及机械振动的传播。当然，为了改善耳机10在佩戴方面的舒适度及可靠性，也可以进一步借助用户的耳垂108等部位。
需要说明的是：虽然外耳道具有一定的深度以延伸至鼓膜，但是为了便于描述，并结合图1，本申请在没有特别说明的情况下，外耳道具体是指其背离鼓膜的入口，也即是耳孔。进一步地，本申请所述的“耳部的前侧”是一个相对于“耳部的后侧”的概念，前者指耳部背离头部的一侧，例如图1，后者指耳部朝向头部的一侧，他们均是针对用户的耳部。进一步地，耳部100的外耳道外围还有耳屏109，其中相较于耳甲腔、耳甲艇和三角窝等部位在三维空间中具有一定的深度及容积，也即这些部位分别沿靠近用户的头部的方向朝耳部的后侧凹陷，耳屏则沿背离用户的头部的方向朝耳部的前侧凸起。
众所周知地，在医学、解剖学等领域中，可以定义人体的矢状面(Sagittal Plane)、冠状面(Coronal Plane)和水平面(Horizontal Plane)三个基本切面以及矢状轴(Sagittal Axis)、冠状轴(Coronal Axis)和垂直轴(Vertical Axis)三个基本轴。其中，矢状面是指沿身体前后方向所作的与地面垂直的切面，它将人体分为左右两部分；冠状面是指沿身体左右方向所作的与地面垂直的切面，它将人体分为前后两部分；水平面是指沿身体上下方向所作的与地面平行的切面，它将人体分为上下两部分。相应地，矢状轴是指沿身体前后方向垂直通过冠状面的轴，冠状轴 是指沿身体左右方向垂直通过矢状面的轴，垂直轴是指沿身体上下方向垂直通过水平面的轴。基于此，结合图1，X、Y和Z三个方向可以分别简单地视作人体冠状轴、人体矢状轴和人体垂直轴；XY、XZ和YZ三个平面可以分别简单地视作人体水平面、人体冠状轴和人体矢状面。
结合图2及图3，耳机10可以包括钩状部11和与钩状部11连接的保持部13，至少部分钩状部11用于挂设在用户的耳部的后侧与头部之间，保持部13用于接触耳部的前侧，以允许钩状部11与保持部13一同夹持耳部。换言之，在三维空间中，钩状部11和保持部13可以不共面。其中，保持部13可以具有彼此正交的厚度方向、长度方向和宽度方向，前述厚度方向定义为在佩戴状态下保持部13靠近或者远离耳部的方向，保持部13在前述长度方向上的长度大于或者等于保持部13在前述宽度方向上的宽度。基于此，钩状部11可以包括与保持部13连接的连接段111和与连接段111连接的自由段112，连接段111和自由段112在前述宽度方向上分别位于保持部13的相背两侧。进一步地，在垂直于前述厚度方向的参考平面(例如纸面所在平面)上，连接段111与保持部13在前述宽度方向上的最大间距(例如图2中T1所示)可以介于10mm与17mm之间。优选地，前述最大间距可以介于11mm与14mm之间。如此，这样既有利于增大保持部13的重心与耳部的上耳根之间的距离，也即降低保持部13在佩戴状态下的重心，又有利于增大保持部13的质心与耳部的对耳轮之间的距离，也即耳机10在用户进行诸如左右摇头、低头抬头和上蹦下跳的运动过程中相对于耳部的对耳轮或者上耳根的转动惯量得以增大，从而改善耳机10在佩戴方面的稳定性。
需要说明的是：基于ANSI:S3.36,S3.25和IEC:60318-7标准可以制得一含头部及其(左、右)耳部的模拟器，例如GRAS 45BC KEMAR，因此本申请中“用户佩戴耳机”或者“耳机处于佩戴状态”这类描述可以指耳机佩戴于前述模拟器的耳部。基于此，本申请所述的“佩戴状态”可以指耳机佩戴于前述模拟器的耳部之后的正常佩戴状态；为了便于描述，前述正常佩戴状态可以进一步从耳部的前侧、后侧等视角进行示意，例如图4及图5所示的正常佩戴状态。当然，由于用户存在个体差异， 耳机10的实际佩戴状态相较于前述正常佩戴状态可能存在一定的差异。进一步地，本申请所述的重心是指地球对物体中每一微小部分引力的合力作用点，本申请所述的质心是指物质系统上被认为质量集中于此的一个假想点。一般地，可以简单地认为我们所处环境的重力场是均匀的，因此质心与重心可以简单地视作重合。基于此，可以用铅垂线找一个物体(例如保持部13)的重心。其中，为了便于测量保持部13的重心，可以先将保持部13沿图2所示的参考线RL从耳机10上分离下来。基于此，参考线RL可以是钩状部11与保持部13之间的分界线。例如：如果钩状部11内置有弹性金属丝，保持部13为塑胶制件，两者接插连接，那么破坏两者之间的接插连接关系，即可将保持部13从耳机10上取下。再例如：如果钩状部11和保持部13分别为塑胶制件，两者通过胶接、卡接、接插中的至少一种方式连接，那么破坏两者之间的连接关系，同样可以将保持部13从耳机10上取下。
进一步地，耳机10还可以包括机芯14、主板15和电池16。其中，机芯14主要是用于将电信号转换成相应的机械振动(也即是“发声”)，并可以通过相应的导体与主板15、电池16电性连接；主板15主要是用于控制机芯14的发声；电池16主要是用于给机芯14的发声提供电能。当然，本申请所述的耳机10还可以包括麦克风、拾音器这类传声器，也可以进一步包括蓝牙这类通信器件，它们通过相应的导体与主板15、电池16电性连接，以实现相应的功能。进一步地，在耳机10处于佩戴状态时，由于保持部13主要是位于用户的耳部的前侧，如图4所示，使得保持部13除了用于设置机芯14之外，还可以设置一些便于用户与耳机10进行交互的功能按键。基于此，主板15也可以设置在保持部13，以缩短机芯14及其它诸如功能按键等与主板15之间的走线距离。
作为示例性地，结合图4及图2，在佩戴状态下，并沿人体冠状轴所在方向观察，保持部13的长度方向与人体矢状轴所在方向之间的夹角(例如θ所示)可以介于15°与60°之间。优选地，前述夹角可以介于25°与45°之间。其中，结合图4及图2，由于保持部13一般设置成规则结构，例如保持部13的外形设置成圆角矩形，使得保持部13 至少在外形上相对于一平行于保持部13的长度方向的对称轴(例如点划线SA所示)对称设置，也即夹角θ可以为对称轴SA与人体矢状轴Y之间的夹角。
在一些实施方式中，例如图2所示，保持部13具有不与钩状部11连接的自由端131和与钩状部11连接的连接端132。其中，保持部13的自由端131可以相较于保持部13的连接端132更远离钩状部11的自由段112远离连接段111的端部。此时，在佩戴状态下，并沿人体冠状轴所在方向观察，如图4所示，保持部13不与钩状部11连接的自由端131相较于保持部13与钩状部11连接的连接端132更靠近用户的头顶。如此，保持部13相对于人体矢状轴倾斜设置，使得保持部13在佩戴状态下朝向耳部的外耳道倾斜，以增加保持部13的重心与耳部的上耳根之间的距离，也即降低保持部13在佩戴状态下的重心，这样有利于改善耳机10在佩戴方面的稳定性。
作为示例性地，结合图4，在佩戴状态下，保持部13的自由端131与耳部的对耳轮接触，以使得保持部13至少在耳部的对耳轮处压紧耳部；保持部13沿人体冠状轴所在方向正投影至耳部时与耳部的耳甲腔部分重叠，也即耳部的耳甲腔被保持部13至少部分覆盖。优选地，在佩戴状态下，保持部13沿人体冠状轴所在方向正投影至耳部时与耳部的外耳道至少部分错开，也即耳部的外耳道至少部分不被保持部13覆盖，以便于“解放”耳部的外耳道。如此，相较于相关技术中耳部的耳甲艇被保持部13至少部分覆盖，本实施例中耳部的耳甲腔被保持部13至少部分覆盖，也即保持部13在佩戴状态下朝向耳部的外耳道倾斜，使得保持部13的质心与耳部的对耳轮之间的距离增大，也即耳机10在用户进行诸如左右摇头、低头抬头和上蹦下跳的运动过程中相对于耳部的对耳轮或者上耳根的转动惯量得以增大，这样有利于改善耳机10在佩戴方面的稳定性。
作为示例性地，结合图4，在人体矢状面所在参考平面(例如YZ平面)上，保持部13的重心(例如G所示)与保持部13的自由端131之间的距离(例如T2所示)与保持部13的长度(例如L所示)之间的 比值可以介于0.5与0.75之间。如此，在其他诸如保持部13倾斜设置的条件一定的下，保持部13的重心更远离保持部13的自由端131，使得保持部13的质心与耳部的对耳轮之间的距离增大，也即耳机10在用户进行诸如左右摇头、低头抬头和上蹦下跳的运动过程中相对于耳部的对耳轮或者上耳根的转动惯量得以增大，这样有利于改善耳机10在佩戴方面的稳定性。其中，人体矢状面所在参考平面也可以定义为一垂直于保持部13的厚度方向的参考平面。
进一步地，保持部13的长度(例如图4中L所示)可以介于22mm与35mm之间。优选地，前述长度可以介于25mm与32mm之间。其中，保持部13的长度太短，例如短到无法接触耳部的对耳轮，不利于保持部13与钩状部11一同夹持用户的耳部；而保持部13的长度太长，例如长到一大部分伸出耳部的耳轮，容易导致用户或者第三者碰到耳机10，不利于耳机10在佩戴方面的可靠性。
进一步地，在沿保持部13的长度方向且由保持部13的自由端131指向保持部13的连接端132的正方向上，保持部13在其长度的3/4处的宽度与保持部13在其长度的1/4处的宽度之间的比值可以介于1与2之间。优选地，前述比值可以介于1与1.3之间。如此，有利于使得保持部13的重心(也即质心)往其连接端132偏移，从而有利于增大保持部13的重心与耳部的上耳根之间的距离，以及增大保持部13的质心与耳部的对耳轮之间的距离。
基于上述的描述，机芯14可以设置在保持部13，保持部13在佩戴状态下也可以朝向耳部的外耳道倾斜，使得机芯14可以位于保持部13的连接端132，以缩短机芯14(具体可以为保持部13上的出声孔)与耳部的外耳道之间的距离，这样有利于增加用户听到的机芯14发出的声音的强度。进一步地，如果保持部13的连接端132设置地较其自由端131更宽些，那么保持部13的连接端132允许设置的机芯14的体积也可以更大些，这样有利于增大机芯14发出的声音的强度。
作为示例性地，电池16可以设置在钩状部11中(图未示出)，具体地，电池16可以靠近钩状部11的自由段112设置。这样有利于增大 电池16的容量，以及均衡耳机10的重量分布。
作为示例性地，例如图2及图3，机芯14、主板15和电池16可以设置在保持部13内。如此，由于没有电池16的干扰，钩状部11可以仿形设置成与耳部的后侧(以及头部)贴合更好的结构，这样有利于改善耳机10在佩戴方面的稳定性。其中，机芯14可以位于保持部13的连接端132，电池16可以位于保持部13的自由端131。此时，通过改变机芯14的体积、电池16的容量等参数，可以调整保持部13的重心的位置。例如：电池16相较于机芯14更靠近自由端131，机芯14在保持部13的宽度方向上的尺寸大于电池16在前述宽度方向上的尺寸。
在其他一些实施方式中，例如图6或者图9，保持部13的自由端131可以相较于保持部13的连接端132更靠近钩状部11的自由段112远离连接段111的端部。此时，在佩戴状态下，并沿人体冠状轴所在方向观察，如图8或者图11所示，保持部13不与钩状部11连接的自由端131相较于保持部13与钩状部11连接的连接端132更远离用户的头顶。如此，保持部13同样相对于人体矢状轴倾斜设置，以增加保持部13的重心与耳部的上耳根之间的距离，也即降低保持部13在佩戴状态下的重心，这样有利于改善耳机10在佩戴方面的稳定性。
作为示例性地，在佩戴状态下，保持部13不与钩状部11连接的自由端131可以伸入耳部的耳甲腔内，以允许保持部13相对于人体矢状轴倾斜设置。与上述实施例类似的是：机芯14、主板15和电池16同样可以设置在保持部13内，以使得钩状部11的仿形结构不会更电池16干扰。与上述实施例的主要区别在于：机芯14可以相较于电池16更靠近自由端131，以缩短机芯14(具体可以为保持部13上的出声孔)与耳部的外耳道之间的距离，这样有利于增加用户听到的机芯14发出的声音的强度。值得注意的是：本实施例中，虽然保持部13的自由端131设置成伸入耳部的耳甲腔内，但保持部13并不伸入耳部的外耳道内，以便于“解放”外耳道。其中，考虑到不同人群之间的差异，佩戴状态下，保持部13可能会遮盖外耳道的一部分，这种情景不能与保持部13直接插入外耳道混为一谈，也即两者不同。
进一步地，保持部13的自由端131可以抵靠或者压持在耳部的耳甲腔内，例如保持部13在其长度方向上抵靠在耳部的耳甲腔内，再例如保持部13在其厚度方向上压持在耳部的耳甲腔内。如此，除了钩状部11在耳部的后侧施加夹持力并形成摩擦力等作用力之外，保持部13还可以与耳部的耳甲腔内形成抵接力或者夹持力并形成摩擦力等作用力，从而改善耳机10在佩戴方面的稳定性。
进一步地，本申请的发明人在长期的研发工作中发现：当保持部13的自由端131设置成伸入耳部的耳甲腔内时，保持部13会至少部分覆盖耳部的耳屏；而耳部的耳屏一般沿背离用户的头部的方向朝耳部的前侧凸起，使之容易被保持部13压持，长时间佩戴耳机10时容易引起不适。为此，保持部13设置成在佩戴状态下避让耳部的耳屏，以避免对耳部的耳屏造成挤压，从而改善耳机10在佩戴方面的舒适度。
作为示例性地，结合图6及图7，在保持部13朝向耳部的内侧，保持部13的连接端132相较于自由端131部分凸出，以使得保持部13朝向耳部的内侧在整体上并非为平面。其中，在佩戴状态下，保持部13的连接端132与耳屏周围的皮肤接触，使得保持部13的其他区域能够避让耳部的耳屏。进一步地，由于保持部13的连接端132相对于自由端131部分凸出，而电池16又可以设置在保持部13的连接端132，使得电池16在保持部13的厚度方向上的尺寸得以增大，有利于增大电池16的容量，从而延长耳机10的待机/使用时长。
作为示例性地，结合图9及图10，保持部13的连接端132相对于自由端131弯折，以使得保持部13在整体上并非为平面。其中，在佩戴状态下，保持部13的连接端132与耳屏周围的皮肤接触，使得保持部13的其他区域能够避让耳部的耳屏。进一步地，由于保持部13的连接端132相对于自由端131弯折，而机芯14和电池16又可以分别设置在保持部13的自由端131和连接端132，使得保持部13的连接端132和自由端131之间的弯折处可以恰好对应于机芯14和电池16之间。
需要说明的是：对于图6至图11所示的两种实施例，其主要区别在于：保持部13的连接端132在佩戴状态下与用户的皮肤接触的位置， 其中相较于图6至图8所示的实施例，图9至图11所示的实施例中保持部13的连接端132在佩戴状态下与用户的皮肤接触的位置更靠近耳部的上耳根，也即更靠近用户的头顶。
除了优化保持部13及其中相关结构之外，优化耳机10的重量分布以及耳机10提供的夹持力，同样有利于改善耳机10在佩戴方面的稳定性。
作为示例性地，钩状部11的质量与保持部13的质量之间的比值可以介于1/9至1/2之间。优选地，前述比值可以介于1/6.5至1/3.5之间。如此，在其他诸如保持部13的重心与耳部的上耳根之间的距离以及保持部13的质心与耳部的对耳轮之间的距离一定的情况下，通过调整钩状部11的质量、保持部13的质量等参数，以增加耳机10在佩戴方面的稳定性。其中，当沿图2所示的参考线RL切割耳机10之后，其中一部分即可视作保持部13，另一部分即可视作钩状部11，以便于分别测量钩状部11和保持部13的质量。
在一些实施方式中，钩状部11可以包括与保持部13连接的弹性金属丝和包覆于弹性金属丝的弹性包覆体，弹性金属丝主要是使得钩状部11与保持部13配合以提供相应的夹持力，弹性包覆体主要是用于改善钩状部11在佩戴方面的舒适度及其与耳部的后侧(以及头部)之间的贴合度。其中，弹性包覆体的厚度可以介于1mm与3.5mm之间。优选地，前述厚度可以介于1.5mm与2.5mm之间。进一步地，弹性包覆体的邵氏硬度可以为0-40A；优选地，前述邵氏硬度可以为0-10A。相应地，弹性包覆体的材质可以为硅胶、发泡海绵、热塑性聚氨酯弹性体、热塑性弹性体等中的一种或其组合。其中，考虑到弹性包覆体需要与用户的皮肤接触，弹性包覆体的材质可以优选为单一的硅胶或者热塑性聚氨酯弹性体，或者海绵与硅胶的复合结构，例如海绵包覆在弹性金属丝上而硅胶又包覆在海绵上。
在一些实施方式中，保持部13可以包括壳体和包覆于壳体的弹性覆层，壳体主要是用于容纳机芯14、主板15、电池16等结构件以及与钩状部11配合以提供相应的夹持力，弹性覆层主要是用于改善保持部 13在佩戴方面的舒适度及其与耳部的前侧之间的贴合度。类似地，弹性覆层的厚度可以介于1mm与3.5mm之间。优选地，前述厚度可以介于1.5mm与2.5mm之间。进一步地，弹性覆层的邵氏硬度可以为0-40A；优选地，前述邵氏硬度可以为0-10A。相应地，弹性覆层的材质可以为硅胶、发泡海绵、热塑性聚氨酯弹性体、热塑性弹性体等中的一种或其组合。其中，考虑到弹性覆层需要与用户的皮肤接触，弹性覆层的材质可以优选为单一的硅胶或者热塑性聚氨酯弹性体，或者海绵与硅胶的复合结构，例如海绵包覆在壳体上而硅胶又包覆在海绵上。进一步地，对于海绵与硅胶的复合结构，海绵可以主要是位于保持部13的自由端131，以使得保持部13通过海绵及其上的硅胶与耳部接触，也即保持部13中海绵所在的区域较其他区域更加柔软。其中，保持部13中海绵所在的区域的面积可以大于2×2mm 2；优选地，前述面积可以大于5×5mm 2。
作为示例性地，在佩戴状态下，保持部13和钩状部11对用户的耳部施加的夹持力可以介于0.1N至0.5N之间。优选地，前述夹持力可以介于0.15N至0.3N之间。其中，夹持力过大，不利于耳机10在佩戴方面的舒适度；而夹持力过小，不利于耳机10在佩戴方面的稳定性。
需要说明的是：本申请所述的夹持力可以借助拉力计测量得到。例如：将耳机10佩戴在上述模拟器或者用户的耳部上，也即佩戴状态；然后将拉力计固定在保持部13背离耳部的一侧，随即拉动拉力计，并观察；在保持部13朝向用户的耳部的一侧恰好与用户的皮肤分离时，读出拉力计上显示的拉力，该拉力即可简单地视作夹持力。
进一步地，钩状部11沿保持部13的厚度方向正投影至保持部13时可以与保持部13部分重叠。如此，以在佩戴状态下，钩状部11和保持部13不仅可以从耳部的前侧和后侧两个方向压持耳部，而且前述夹持力主要表现为压应力，有利于增加佩戴的稳定性和舒适度。
以上所述仅为本申请的部分实施例，并非因此限制本申请的保护范围，凡是利用本申请说明书及附图内容所作的等效装置或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本申请的专利保护范围内。

Claims (10)

  1. 一种耳机，其特征在于，所述耳机包括钩状部和与所述钩状部连接的保持部，至少部分所述钩状部用于挂设在用户的耳部的后侧与头部之间，所述保持部用于接触所述耳部的前侧；其中，在佩戴状态下，所述保持部不与所述钩状部连接的自由端伸入所述耳部的耳甲腔内。
  2. 根据权利要求1所述的耳机，其特征在于，所述保持部的自由端抵靠或者压持在所述耳部的耳甲腔内。
  3. 根据权利要求2所述的耳机，其特征在于，所述保持部具有彼此正交的厚度方向、长度方向和宽度方向，所述厚度方向定义为在佩戴状态下所述保持部靠近或者远离所述耳部的方向，所述保持部在所述长度方向上的长度大于或者等于所述保持部在所述宽度方向上的宽度，所述保持部在所述长度方向上抵靠在所述耳部的耳甲腔内，或者所述保持部在所述厚度方向上压持在所述耳部的耳甲腔内。
  4. 根据权利要求2所述的耳机，其特征在于，所述保持部不伸入所述耳部的外耳道内。
  5. 根据权利要求1所述的耳机，其特征在于，所述保持部设置成在佩戴状态下避让所述耳部的耳屏。
  6. 根据权利要求5所述的耳机，其特征在于，在所述保持部朝向所述耳部的内侧，所述保持部与所述钩状部连接的连接端相较于所述保持部的自由端部分凸出，以在佩戴状态下，所述保持部的连接端与所述耳部的耳屏周围的皮肤接触，所述保持部的其他区域能够避让所述耳部的耳屏。
  7. 根据权利要求5所述的耳机，其特征在于，所述保持部与所述钩状部连接的连接端相对于所述保持部的自由端弯折，以在佩戴状态下，所述保持部的连接端与所述耳部的耳屏周围的皮肤接触，所述保持部的其他区域能够避让所述耳部的耳屏。
  8. 根据权利要求1所述的耳机，其特征在于，所述保持部具有彼此正交的厚度方向、长度方向和宽度方向，所述厚度方向定义为在佩戴 状态下所述保持部靠近或者远离所述耳部的方向，所述保持部在所述长度方向上的长度大于或者等于所述保持部在所述宽度方向上的宽度，在佩戴状态下，并沿人体冠状轴所在方向观察，所述长度方向与人体矢状轴所在方向之间的夹角介于15°与60°之间。
  9. 根据权利要求1所述的耳机，其特征在于，所述钩状部的质量与所述保持部的质量之间的比值介于1/9至1/2之间。
  10. 根据权利要求1所述的耳机，其特征在于，在佩戴状态下，所述保持部和所述钩状部对所述耳部施加的夹持力介于0.1N至0.5N之间。
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