Flat plate type bone conduction earphone with adjustable reception part
Technical Field
The invention relates to the field of bone conduction earphones, in particular to a flat plate type bone conduction earphone with an adjustable reception part.
Background
Bone conduction is a conduction mode that people receive sound signals, and sound passes through the skull, the bone labyrinth, inner ear lymph, the spiral organ, the auditory nerve, and the auditory center of people transmits and receives sound signals, has saved the transmission link of sound in the air in the mode that sound passes through air vibration afferent people's ear for sound signals can be clearly reduced in noisy background environment.
The bone conduction earphone is an earphone designed and manufactured by utilizing a bone conduction technology, is commonly used in the field of hearing aids, sport earphones and special earphones for military police in a special sound conduction mode and a special use mode, and has the advantages of less distortion, capability of liberating ears, easiness in wearing and the like.
The sound transmission effect of the bone conduction headset depends on the good close fit of the sound generating unit and the head of the user, however, the existing bone conduction headset is limited to the ear-hung type wearing mode, the interaction position of the sound generating unit and the user is not adjustable, so that the fit condition of the sound generating unit and the head of the user is limited, for example, the user wearing glasses cannot comfortably and tightly hang the headset bracket due to the limitation of the glasses bracket, the user with dense temple hairs cannot ensure the good close fit of the sound generating unit and the head due to the limitation of hairs, and the user wearing ornaments on the head needs to change the position of the sound generating unit and the face due to the limitation of ornaments. The existing bone conduction earphone can not change the wearing posture of the earphone and the interaction position of the sound production unit and a user, so that the wearing and listening experience of the user on the bone conduction earphone is reduced.
In addition, the existing bone conduction earphone is based on a moving coil type loudspeaker structure, an external structure is directly driven by the movement of an electrified coil in a magnetic field to apply vibration to the skull of a user, the vibration is limited by the power output capability of the moving coil and the input requirement of human bones on vibration excitation, the high-frequency vibration frequency of the earphone is limited, and the bass performance is insufficient.
Disclosure of Invention
The invention aims to provide a flat plate type bone conduction earphone with an adjustable sound receiving part aiming at the structural defects in the prior art, which can adapt to different wearing and using requirements of different users to the maximum extent in a wearing mode, a sound receiving position and a control mode and improve the hearing and comfort experience of the users. The bone conduction earphone sound production unit based on the flat plate type vibration unit is further adopted in a breakthrough manner, so that the vibration output power of the sound production unit is increased, the high-frequency vibration capability and the low-frequency expressive force of the sound production unit are improved, the output frequency range is expanded, and the sound transmission effect of the bone conduction earphone is comprehensively enhanced.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a flat plate type bone conduction earphone with an adjustable reception part comprises a main support, two angle adjusting structures and two sounding units, wherein the main support is U-shaped, and the two sounding units are respectively connected to the two ends of the U-shaped main support through the two angle adjusting structures;
the main support comprises a sliding groove and a rotating groove, and the sliding groove and the rotating groove are arranged at the two ends of the U shape of the main support in a cross shape along the axial direction of the main support;
the angle adjusting structure comprises a connecting piece and an elastic bracket;
the connecting piece is arranged in the sliding groove, the elastic support is movably connected to the sliding groove through the connecting piece, the elastic support is connected with the sound generating unit, and the sound generating unit is tightly attached to the head of a user through the elastic support;
the angle adjusting structure is used for adjusting the angle between the long axis direction of the sounding unit and the end head of the main support along the U-shaped extending direction;
the sound production unit comprises a flat plate type vibration unit, the flat plate type vibration unit comprises a shell, a stator support, a magnetic pole, a vibrating diaphragm support, a vibrating diaphragm, a coil, a vibrating support, a rear cover and a vibrating sheet, the magnetic pole is at least one columnar magnet, the columnar magnet is provided with at least one plane outer surface, the plane outer surface faces the vibrating diaphragm, and the vibrating sheet is used for transmitting the vibration of the vibrating diaphragm to the skull of a user.
Preferably, the connecting piece is a hollow shaft connection or a hollow ball head connection with a cavity.
Preferably, the main and elastic stents are made of one or more of elastic material, elastic plastic material or memory metal.
Preferably, a support structure is further provided inside the angle adjustment structure, the support structure gripping the head of the user to provide auxiliary support when the angle adjustment structure is in use.
Preferably, the support structure is provided on the connecting piece.
Preferably, two sides of the U-shaped arc top of the main bracket comprise two telescopic adjusting structures, and the two telescopic adjusting structures are used for adjusting the axial length of the main bracket.
Preferably, a folding structure is arranged at the top of the U-shaped arc of the main bracket, and the folding structure can adjust the opening angle of the main bracket; when the bone conduction earphone is in a use state, the U-shaped arc top angle of the main support is stably supported; when the bone conduction earphone is in the storage state, the U-shaped structure of the main support is adjusted to be a V-shaped structure capable of changing the opening angle.
Preferably, functional units are arranged on two sides of the U shape of the main support, and each functional unit comprises a wireless transmission unit, a power supply unit, a power amplifier unit, a control unit, a touch key unit, an attitude sensing unit and a storage unit; the attitude sensing unit comprises a gravity sensing sensor.
Preferably, the touch key unit is arranged at the outer side of the function unit in a pressing manner, and the touch key unit has a touch sensing function.
Preferably, the posture sensing unit is configured to determine a usage posture of the bone conduction headset; the control unit is in data communication connection with the gesture sensing unit and the touch key unit; and the control unit adjusts the control strategy of the touch key unit according to the posture information output by the posture sensing unit.
Preferably, the posture sensing unit further comprises a light sensing element disposed within the support structure.
Preferably, the stator support, the magnetic pole and the diaphragm support are respectively provided with two groups;
the magnetic pole is fixed on the stator bracket, and the coil is arranged on the vibrating diaphragm;
the rear cover is provided with a through hole for the vibrating sheet to move vertically to the surface of the rear cover;
the stator support and the vibrating diaphragm support are both rigid frame structures;
the flat plate type vibration unit is arranged according to the sequence of the shell, the first stator support, the first vibrating diaphragm support, the vibrating diaphragm, the second vibrating diaphragm support and the rear cover.
Preferably, a vibration guide structure extending towards the center of the vibrating diaphragm is arranged on the second vibrating diaphragm support, the vibration guide structure is in contact with the vibrating diaphragm, and the vibrating sheet is fixedly connected with the vibration guide structure through the vibrating support.
Drawings
Fig. 1 is a perspective view of a bone conduction headset according to an embodiment of the present invention;
fig. 2-1 is a first schematic view illustrating a first wearing manner of a bone conduction headset according to a first embodiment of the present invention;
fig. 2-2 is a schematic view illustrating a first wearing manner of a bone conduction headset according to an embodiment of the invention;
fig. 3-1 is a first schematic view of a second wearing manner of a bone conduction headset according to an embodiment of the invention;
fig. 3-2 is a second schematic view of a second wearing manner of the bone conduction headset according to the embodiment of the invention;
fig. 4 is a schematic view of a runner and a rotary groove of a bone conduction earphone according to an embodiment of the present invention;
fig. 5-1 is a partial schematic view of a bone conduction headset angle adjustment structure according to an embodiment of the present invention;
fig. 5-2 is a partial schematic view of a bone conduction headset angle adjustment structure according to an embodiment of the present invention;
fig. 5-3 are partial schematic views of a bone conduction headset angle adjustment structure according to an embodiment of the present invention;
fig. 6 is a partial schematic view of a bone conduction headset function unit according to an embodiment of the present invention;
fig. 7 is a partial schematic view of a bone conduction headset support structure according to an embodiment of the invention;
fig. 8 is an exploded view of a bone-conduction headset plate vibration unit according to an embodiment of the present invention;
fig. 9 is an axial sectional view of a bone-conduction headset plate vibration unit according to an embodiment of the present invention.
Wherein:
a main bracket-1, a sliding chute-11, a rotating chute-12, a telescopic adjusting structure-13 and a folding structure-14; an angle adjusting structure-2, an elastic bracket-21, a connecting piece-22 and a supporting structure-23; the device comprises a sound generating unit-3, a vibration part-31, a flat plate type vibration unit-32, a shell-321, a magnetic pole-322, a first stator support-323, a first diaphragm support-324, a diaphragm-325, a coil-3251, a second diaphragm support-326, a vibration guide structure-3261, a second stator support-327, a support-328, a vibrating piece-329 and a rear cover-330; a function unit-4, a touch key unit-41, a key I-411, a key II-412, a gesture sensing unit-42, a gravity sensing sensor-421 and a light sensing element-422.
Detailed Description
Example 1:
referring to fig. 1, fig. 1 is a perspective view of a bone conduction earphone according to an embodiment of the invention. The embodiment provides a flat plate type bone conduction earphone with an adjustable reception part, which comprises a main support 1, two angle adjusting structures 2 and two sound generating units 3, wherein the main support 1 is U-shaped, and the two sound generating units 3 are respectively connected to two ends of the U-shaped main support 1 through the two angle adjusting structures 2;
the main support 1 comprises a sliding groove 11 and a rotating groove 12, and the sliding groove 11 and the rotating groove 12 are arranged at the two ends of the U-shaped main support 1 in a cross shape along the axial direction of the main support 1;
the angle adjusting structure 2 comprises a connecting piece 22 and an elastic bracket 21;
the connecting piece 22 is arranged in the sliding chute 11, the elastic support 21 is movably connected to the sliding chute 11 through the connecting piece 22, the elastic support 21 is connected with the sound generating unit 3, and the sound generating unit 3 is tightly attached to the head of a user through the elastic support 21;
the angle adjusting structure 2 is used for adjusting the angle between the long axis direction of the sounding unit 3 and the end of the main support 1 along the U-shaped extending direction.
The connecting piece 22 is a hollow shaft connection or a hollow ball head connection with a cavity.
The main bracket 1 and the elastic bracket 21 are made of one or more of elastic materials, elastic plastic materials or memory metals.
A support structure 23 is further disposed inside the angle adjustment structure 2, and when the angle adjustment structure 2 is in use, the support structure 23 clamps the head of the user to provide auxiliary support.
The support structure 23 is arranged on the connection piece 22.
The two sides of the U-shaped arc top of the main support 1 comprise two telescopic adjusting structures 13, and the two telescopic adjusting structures 13 are used for adjusting the axial length of the main support 1.
A folding structure 14 is arranged at the top of the U-shaped arc of the main bracket 1, and the folding structure 14 can adjust the opening angle of the main bracket 1; when the bone conduction earphone is in a use state, the U-shaped arc top angle of the main support 1 is stably supported; when the bone conduction headset is in the storage state, the U-shaped structure of the main support 1 is adjusted to be a V-shaped structure capable of changing the opening angle.
The U-shaped inner side of the main support 1 adopts a gradually-contracting curve, namely the inner side of the main support gradually contracts from the top of the U-shaped arc to the end head; the supporting structure 23 has an inclined surface, and the material thereof is one or more of rubber, memory cotton or other elastic or viscoelastic materials; sound generating unit 3 with swing joint between elastic support 21, still be provided with vibration part 31 on the sound generating unit 3, vibration part 31 sets up the U type inboard side of main support is upwards and to the inboard arch.
The folding structure 14 comprises an articulated shaft and a clamping structure, wherein the articulated shaft is arranged outside the center of the top of the U-shaped arc of the main support 1, the main support 1 is divided into two symmetrical parts, and the two parts of the main support 1 are rotatably connected through the articulated shaft. The clamping structure is arranged on the outer side of the center of the U-shaped arc top of the main support 1, when the two parts of main supports 1 rotate around the hinge shaft to form a U shape, the clamping structure completes clamping and abuts against the two parts of main supports 1 from the inner side of the U-shaped arc top, so that the two parts of main supports cannot rotate around the hinge shaft; when needs were accomodate, the user pressed the joint structure and made its buckle break away from for angularly adjustable between two parts main support 1, the convenience is folded bone conduction earphone and is accomodate.
The structure enables the bone conduction earphone to be worn on the head of a user in at least two wearing modes:
in a first mode, as shown in fig. 2-1 and 2-2, the bone conduction earphone is worn on the head in a vertical posture by a user in a hair band type, the U-shaped arc top of the main support 1 is located above or obliquely above the head of the user, the angle adjusting structure 2 is received in the sliding groove 11 of the main support 1, the bone conduction earphone clamps the head of the user through the elastic or elastic-plastic or memory metal main support 1, and the U-shaped arc top of the main support 1 is used as an auxiliary support. Due to the gradually-shrinking curve contour of the U-shaped inner side of the main support and the protruding design of the vibration part 31, the elastic or elastic-plastic or memory metal main support 1 can clamp and support the head of a user by bypassing the eye support or the head ornament, the vibration part 31 is tightly attached to the head of the user, and the rotation connection between the rotary groove 12 and the sound generating unit 3 and the elastic part enables the sound generating unit 3 to be adaptively adjusted to the contour of the head of the user; the sound emitting unit 3 emits sound to the skull of the user through the vibration member 31. The first mode is suitable for users wearing glasses and headwear, so that the bone conduction headset can adapt to more wearing and application scenes.
A second way, as shown in fig. 3-1 and 3-2, the bone conduction earphone of this embodiment is worn in a hanging-ear manner, in which a user pulls out the elastic support 21 from the chute 11, places the U-shaped arc top portion of the main support 1 behind the brain, forms hanging supports with the ears by the U-shaped two ends of the main support 1 and the rotated angle adjusting unit, and adjusts the interaction position between the sound generating unit 3 and the head by adjusting the position and the rotation angle of the connecting member 22 in the chute 11; the support structure 23 can contact with the head of the user after the elastic support 21 is drawn out, and clamps the head of the user by the squeezing force provided by the main support 1 with elasticity or elastoplasticity or memory, so as to provide auxiliary support for the sounding unit 3 tightly attached to the head of the user through the elastic support 21. The second mode frees the main support 1 from binding the top of the head or the hair style of the user, and can adjust the sound receiving position of the bone conduction headset on the head or the face according to the needs of the user, so that the listening experience of the bone conduction headset is improved.
The bone conduction headset can adjust the overall size of the main stand 1 through the telescopic adjustment structure 13 to fit users having different head sizes. The main support 1 can be switched between a stable U-shaped form and a V-shaped form with a variable angle through the folding structure 14, so that the bone conduction headset can be folded and stored conveniently.
Example 2:
fig. 8 and 9 are exploded views of a bone-conduction earphone plate type vibration unit according to an embodiment of the present invention, and fig. 9 is an axial sectional view of the bone-conduction earphone plate type vibration unit according to the embodiment of the present invention. The sound generating unit 3 provided in this embodiment includes a flat plate type vibration unit 32, where the flat plate type vibration unit 32 includes a housing 321, a stator support, a magnetic pole 322, a diaphragm support, a diaphragm 325, a coil 3251, a support and vibration support 328, a back cover 330, and a vibrating plate 329, where the magnetic pole 322 is at least one cylindrical magnet, the cylindrical magnet has at least one planar outer surface, the planar outer surface is disposed toward the diaphragm 325, and the vibrating plate 329 is configured to transmit vibration of the diaphragm 325 to a skull of a user.
Two groups of stator brackets, two groups of magnetic poles 322 and two groups of vibrating diaphragm 325 brackets are respectively arranged;
the magnetic pole 322 is fixed on the stator bracket, and the coil 3251 is arranged on the diaphragm 325;
the rear cover 330 is provided with a through hole for the vibrating sheet 329 to act vertically to the surface of the rear cover 330;
the stator support and the vibrating diaphragm support are both rigid frame structures;
the flat plate type vibration unit 32 is provided in the order of a case 321, a first stator frame 323, a first diaphragm frame 324, a diaphragm 325, a second diaphragm frame 326, a second stator frame 327, and a back cover 330.
The second diaphragm support 326 is provided with a vibration guide structure 3261 extending towards the center of the diaphragm 325, the vibration guide structure 3261 is in contact with the diaphragm 325, and the vibrating plate 329 is fixedly connected with the vibration guide structure 3261 through the vibration support 328.
In the embodiment, the sound generating unit 3 based on the flat plate type vibration unit 32 is adopted, so that the vibration output power of the sound generating unit 3 is increased, the high-frequency vibration capability and the low-frequency expressive force of the sound generating unit are improved, the output frequency range is expanded, and the sound transmission effect of the bone conduction earphone is comprehensively enhanced.
Example 3:
as shown in fig. 1 and fig. 6, wherein fig. 1 is a perspective view of a bone conduction headset according to an embodiment of the present invention, and fig. 6 is a partial schematic view of a functional unit of the bone conduction headset according to the embodiment of the present invention. In this embodiment, the functional units 4 are disposed on two sides of the U-shape of the main support 1, and each functional unit 4 includes a wireless transmission unit, a power supply unit, a power amplifier unit, a control unit, a touch key unit 41, an attitude sensing unit 42, and a storage unit; the posture sensing unit 42 includes a gravity sensing sensor 421.
The touch key unit 41 is arranged on the outer side of the function unit 4 in a pressing manner, and the touch key unit 41 has a touch sensing function.
The posture sensing unit 42 is used for judging the using posture of the bone conduction headset; the control unit is in data communication connection with the gesture sensing unit 42 and the touch key unit 41; the control unit adjusts the control strategy of the touch key unit 41 according to the posture information output by the posture sensing unit 42.
The posture sensing unit 42 further includes a light sensing element 422 disposed within the support structure 23.
The touch key unit 41 comprises two keys, the two keys can be arranged on the outer side of the function unit 4 in a double-side pressing manner, and the touch key unit 41 has a touch sensing function; the two keys are a key one 411 and a key two 412 according to the positions shown in fig. 6 and in the up and down order.
The posture sensing unit 42 is used for judging the using posture of the bone conduction headset; the control unit is in data communication connection with the gesture sensing unit 42 and the touch key unit 41; the control unit adjusts the control strategy of the touch key unit 41 according to the posture information output by the posture sensing unit 42.
The posture sensing unit 42 includes a gravity sensing sensor 421 provided in the function unit 4 and a light sensing element 422 provided in the support structure 23.
When the user uses the bone conduction headset in the first mode, the main support 1 is axially vertically arranged, the support structure 23 is not attached to the head of the user, and the light sensing element 422 can receive light signals of the external environment; when the bone conduction headset is used by a user in the second mode, the support structure 23 is fitted to the head of the user in an axially lateral or horizontal arrangement of the support.
According to the above rule, the posture sensing unit 42 recognizes the usage posture of the bone conduction headset:
when the gravity sensing sensor 421 detects that the included angle theta between the axial direction and the vertical direction of the main support 1 is greater than or equal to 0 degree and less than or equal to 45 degrees and the light sensing elements 422 on the two sides cannot receive light signals, the bone conduction headset is judged to be used in the first mode, and the control strategy of the touch key unit 41 is switched to be the first control strategy;
when the gravity sensor 421 detects that the included angle theta between the axial direction and the vertical direction of the main support 1 is greater than or equal to 45 degrees and less than or equal to 90 degrees and at least one side of the two-sided light sensing elements 422 can receive the light signal, the bone conduction headset is judged to be used in the second mode, and the control strategy of the touch key unit 41 is switched to be the second control strategy.
The first control strategy and the second control strategy define volume adjustment and song switching functions according to the positions and the directions of the first button 411 and the second button 412 in the first mode and the second mode respectively; the first button 411 and the second button 412 may further define volume adjustment and track switching functions according to the touch sliding direction of the user.
In this embodiment, different control strategies of the bone conduction headset in different use modes are implemented through the gesture sensing unit 42 and the touch key unit 41, so that a user does not need to adapt to different control modes due to the change of the relative positions of the keys after changing the wearing mode of the bone conduction headset, and the use experience is optimized.
Example 4:
the embodiment provides a control strategy switching mode and a specific control strategy when a user wears the bone conduction headset in different modes.
When the user uses the bone conduction headset in the first mode, executing a first control strategy: the first button 411 executes song switching operation, clicks and presses the first button 411 towards the front side of a user to execute next song operation, clicks and presses the front side to execute speed doubling fast forward operation, clicks and presses the rear side to execute song playback operation, clicks and executes backtrack song operation according to the sequence of played songs by multiple times of the rear side, and clicks and presses the rear side to execute speed doubling fast backward operation; the second button 412 performs volume adjustment operation, and the second button 412 is clicked or pressed towards the front side of the user for a long time to perform volume increase or volume increase operation respectively so as to press time to form an exponential function, and the second button 412 is clicked or pressed for a long time to perform volume decrease or volume decrease respectively so as to press time to form a logarithmic function;
when the user uses the bone conduction headset in the second mode, the second control strategy is executed: the second button 412 executes song switching operation, the first button 411 is clicked and pressed towards the upper side to execute next song operation, the upper side is clicked and pressed to execute speed doubling fast forward operation, the lower side is clicked and pressed to execute song playback operation, the lower side is clicked for multiple times to execute backtrack song operation according to the sequence of played songs, and the lower side is clicked for multiple times to execute speed doubling fast backward operation; the first key 411 executes volume adjustment operation, and clicks the first key 411 upwards or presses for a long time to respectively execute volume increase or volume increase operation with pressing time as an exponential function, clicks the second key 411 downwards or presses for a long time to respectively execute volume reduction or volume reduction with pressing time as a logarithmic function;
the control mode of the bone conduction earphone can also be the sliding of the user finger along the first button 411 or the second button 412;
when a user adopts a control mode that a finger slides along the first key and the second key, the first control strategy is as follows: the user finger slides from the back side of the user to the front side of the user along the first button 411 to execute the next song operation, and the user finger slides from the front side of the user to the back side of the user along the first button 411 to execute the previous song operation; the user's finger slides along the second button 412 from the user's back side to the user's front side to perform a volume increasing operation, and the user's finger slides along the second button 412 from the user's front side to the user's back side to perform a volume decreasing and increasing operation;
when the user adopts a control mode that the fingers slide along the first key and the second key, the second control strategy is as follows: the user's finger slides from the lower side to the upper side along the second button 412 to execute the next song operation, and the user's finger slides from the upper side to the lower side along the second button 412 to execute the previous song operation; the user's finger slides along the first button 411 from the lower side to the upper side to execute the volume increasing operation, and the user's finger slides along the first button 411 from the upper side to the lower side to execute the volume decreasing and increasing operation;
the touch key unit 41 may also be a touch pad, a capacitive touch screen, or a resistive touch screen, where a touch plane of the touch pad, the capacitive touch screen, or the resistive touch screen is an axisymmetric plane having two mutually perpendicular symmetric axes, and a long axis direction of the axisymmetric plane is parallel to an axial direction of the main support 1; the control mode comprises gesture control.
The gesture control includes clicking, from bottom to top, from top to bottom, from the back side to the front side of the user, from the front side to the back side of the user, and sliding in four directions, clockwise and counterclockwise, of the user on the upper, lower, front and back position intervals of the touch key unit 41; and the first control strategy and the second control strategy change the corresponding execution operation of clicking and sliding in different directions in different position intervals according to different axial directions of the main support of the bone conduction headset in the first mode and the second mode.
Specifically, in either the first or second mode, the user performs an equal-division increase in volume for a double-click on the upper section, performs an equal-division decrease in volume for a double-click on the lower section, performs a next track operation for a double-click on the front section, and performs a previous track operation for a double-click on the rear section; the user slides from bottom to top to execute the increasing operation of the volume based on the sliding distance, slides from top to bottom to execute the decreasing operation of the volume based on the sliding distance, slides from the back side to the front side to execute the next song operation, slides from the front side to the back side to execute the previous song operation and slides anticlockwise to execute the current song playback operation. The switching of the position and direction of the gesture control on the touch key unit 41 is based on the relationship of the long and short axes of the touch key unit 41 with the vertical and horizontal directions when the bone conduction headset is worn in the first and second ways.
The touch key unit 41 is further provided with a protrusion for assisting a user in determining a position interval.
The switching of the gesture control and the control strategy provided by the embodiment enables a user not to adapt to the position of a rigid key or the operation direction according to the change of the wearing mode of the bone conduction headset, and the user can conveniently operate the bone conduction headset.
It should be noted that the above-mentioned embodiments are provided for further detailed description of the present invention, and the present invention is not limited to the above-mentioned embodiments, and those skilled in the art can make various modifications and variations on the above-mentioned embodiments without departing from the scope of the present invention.