CN112188351B

CN112188351B - Improved bone conduction earphone

Info

Publication number: CN112188351B
Application number: CN202011199449.7A
Authority: CN
Inventors: 林旭
Original assignee: Shuma Lvzhou Co ltd
Current assignee: Shuma Lvzhou Co ltd
Priority date: 2020-11-01
Filing date: 2020-11-01
Publication date: 2023-08-18
Anticipated expiration: 2040-11-01
Also published as: CN112188351A

Abstract

The invention discloses an improved bone conduction earphone which comprises an earphone main body and an earphone wire, wherein the earphone main body is provided with a bone conduction unit and an arc-shaped ear hook, the ear hook is provided with a front hanging ear part used for being hung on the upper part of an ear and a rear mounting part positioned at the rear side of a human ear when the earphone is worn, the bone conduction unit is fixed on the rear mounting part of the ear hook, one end of the earphone wire is connected with the earphone main body, the other end of the earphone wire is connected with the bone conduction unit, and a wire length adjusting mechanism is arranged on the earphone wire so as to realize adjustment of tension between the two ear hooks or pressure of the bone conduction unit on human skin.

Description

Improved bone conduction earphone

Technical Field

The invention relates to the technical field of bone conduction headphones, in particular to an improved bone conduction headphone.

Background

The bone conduction earphone is in contact with the auditory bones of a human body, and the sound is transmitted to the auditory centers of people in a bone conduction mode through vibration of the bone vibrators, so that a wearer can hear the sound, and the bone conduction earphone is widely appreciated because the bone conduction earphone cannot cause any influence on the eardrum of the human body when being worn, but the existing bone conduction earphone is in one-point contact, the bone vibrators are required to be tightly attached to the auditory bones at any time, and then the sound signals can be clearly transmitted to the tappet centers.

The bone conduction earphone adopts U-shaped hard back hanging type support body to wear bone conduction earphone at human head, and the left and right sides of the hard back hanging type support body has elastic arm body, hangs dress on human ear through the stores pylon of shaping in the outer tip of arm body, and bone conduction unit is fixed in the outer tip of arm body, makes bone conduction unit paste the skin at the ear front side through the elastic pressure of arm body.

Because the head sizes of different people are different, and the size specification of the hard rear hanging type frame body of the bone conduction earphone is fixed, the hard rear hanging type frame body of the bone conduction earphone is automatically pressed by virtue of the elasticity of the hard rear hanging type frame body, obviously, the hard rear hanging type frame body of the bone conduction earphone cannot be matched with all wearers, namely, the pressure of the hard rear hanging type frame body to the skin is different when people with different head types wear the bone conduction earphone, the pressure is larger when people with larger head types wear the bone conduction earphone, and the pressure is smaller when people with smaller head types wear the bone conduction earphone, so that the experience is influenced, and the bone conduction earphone is extremely uncomfortable to wear for a long time.

In addition, the present wearing structure of the bone conduction earphone causes the bone conduction unit to be only adhered to the skin in front of the ear, which is not an optimal sound wave conduction path for bone conduction, and does not transmit sound signals to the auditory center well, so that improvement is needed.

Disclosure of Invention

Aiming at the defects existing in the prior art, the invention aims to provide an improved bone conduction earphone, which can adjust a connecting piece according to different users, so that the bone conduction earphone is always clung to the ossicles of the users, the use feeling of the users is improved, and meanwhile, good transmission of sound signals is ensured.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the utility model provides an improved bone conduction earphone, bone conduction earphone includes earphone main part and earphone cord, the earphone main part is provided with bone conduction unit and curved ear-hook, the ear-hook is provided with the back installation department that is used for hanging the preceding string ear portion on ear upper portion and is located human ear rear side when wearing, bone conduction unit is fixed in the back installation department of ear-hook, earphone cord one end is connected in the earphone main part, the other end is connected in bone conduction unit, earphone cord installs line length adjustment mechanism, in order to realize adjusting the pulling force between two ear-hook or bone conduction unit to human skin's pressure.

Further, the bone conduction earphone is provided with a left ear hook, a right ear hook and two earphone wires, the rear installation part of each ear hook is fixedly provided with one bone conduction unit, each bone conduction unit is connected with a corresponding earphone wire, the two earphone wires are respectively connected to the earphone main body, and the wire length adjusting mechanism is installed in the middle of the two earphone wires.

Further, the wire length adjustment mechanism comprises an adjustment wire clamp, the adjustment wire clamp is provided with a threading sliding sleeve and a wire pressing block movably mounted in the threading sliding sleeve, an elastic element capable of being movably propped against the wire pressing block is mounted in the threading sliding sleeve, a wire clamping hole is formed in the threading sliding sleeve along the vertical direction of the moving direction of the wire pressing block, two earphone wires respectively movably penetrate through the wire clamping hole, the wire pressing block respectively elastically props against the two earphone wires, and a pressing part protruding outside the threading sliding sleeve is arranged on the wire pressing block.

Further, the end part of the front ear hanging part is integrally formed with a front ear hanging part matched with the external auditory canal of the human ear and used for being placed in the external auditory canal, the front ear hanging part and the rear mounting part are arranged at opposite intervals, and an arc-shaped rod body used for being hung on the upper part of the ear is integrally formed between the front ear hanging part and the rear mounting part.

Further, an ear hanging hole penetrating through the front hanging ear is formed in the middle of the front hanging ear, and the ear hanging hole is communicated with air, is tightly plugged into an earplug or is tightly plugged into a traditional earphone electrically connected to the earphone main body.

Further, the shape of the ear hook is a C-shaped flexible frame body with elasticity, the upper part of the bone conduction unit is fixed at the lower end part of the front hanging ear part, the lower part of the bone conduction unit is connected with the first end of the earphone wire, the second end of the earphone wire is connected with the middle part of the earphone main body, and the earphone wire extending from the bone conduction unit to the earphone main body after the bone conduction earphone is worn and the wire length adjusting mechanism freely hang at the rear side of the head of a human body.

Further, the front hanging lug part is integrally formed at the tail end part of the rod body, the section of the front hanging lug part is larger than that of the rod body, and the section of the front hanging lug part is circular; the earphone main body comprises a U-shaped neck hanging frame, the left end and the right end of the neck hanging frame are respectively provided with a functional part, a battery or a control circuit is arranged in an inner cavity of at least one functional part, a control key electrically connected to the control circuit is arranged on the surface of at least one functional part, at least one functional part is provided with at least one radio microphone and/or noise reduction microphone electrically connected to the control circuit, and two earphone wires penetrate out from the middle of the rear side of the neck hanging frame.

Further, the control circuit arranged in the earphone main body is provided with a noise reduction unit, the noise reduction unit comprises a microphone unit, a processing unit and a control unit, the microphone unit comprises at least one sound receiving microphone and at least one noise reduction microphone, at least one sound receiving microphone or at least one noise reduction microphone is arranged on the neck hanging frame or the functional part, the sound receiving microphone and the noise reduction microphone are respectively and electrically connected with the processing unit, the earphone main body is provided with a noise reduction control button, the noise reduction control button is electrically connected with the control unit, and the two bone conduction units are respectively and electrically connected with the control unit; the noise reduction control button is arranged on the outer side surface or the inner side surface of any one of the functional parts.

Further, the bone conduction unit is provided with a rectangular connecting block at the joint of the bone conduction unit and the ear hook, a connecting hole is formed in the middle of the connecting block, a connecting groove matched with the connecting block is formed in the front end of the ear hook, the connecting block is matched with the connecting groove in an inserting manner, fixing holes corresponding to the connecting holes are formed in the left side surface and the right side surface of the front end of the ear hook respectively, and when the connecting block is matched with the connecting groove in an inserting manner, a through hole penetrating through the connecting block and the ear hook is formed by the connecting holes and the fixing holes.

Further, the bone conduction earphone is provided with a plurality of connecting elements, the connecting elements comprise screws and rubber caps, the screws penetrating through the fixing holes are connected with the connecting holes through threads, so that the ear hooks are fixedly connected with the bone conduction units, and the rubber caps are sleeved on the heads of the screws; the earphone main body is provided with a wireless communication module or an audio input interface which is electrically connected with the control circuit.

Compared with the prior art, the invention has the advantages that: the invention improves the structure of the bone conduction earphone, so that the bone conduction earphone can be worn in a brand new way, the tightness of the earphone wire is regulated through the wire length regulating mechanism, the tension of the ear hook and the pressure of the human skin of the bone conduction unit are regulated, users with different head sizes can use and regulate the bone conduction earphone to the most comfortable state and the state with the best sound receiving effect, the head size and the shape of the user can not be limited, the bone conduction unit always keeps moderate tight force through the earphone wire freely hanging between the bone conduction unit and the earphone host after the bone conduction earphone is worn, the bone conduction unit always keeps moderate tight contact with the skin, and good transmission of sound signals is ensured.

Drawings

Fig. 1 is a schematic structural view of a bone conduction headset according to the present invention.

Fig. 2 is a partial enlarged view at a in fig. 1.

Fig. 3 is a schematic structural view of a bone conduction headset equipped with a conventional headset.

Fig. 4 is a partial enlarged view at B in fig. 3.

Fig. 5 is a schematic diagram of a conventional earphone configured for use in a bone conduction earphone.

Fig. 6 is a schematic structural view of a bone conduction headset configured with earplugs.

Fig. 7 is a schematic diagram of an earplug configured for use in a bone conduction headset.

Fig. 8 is a wearing schematic diagram of the bone conduction headset of the present invention.

Fig. 9 is a schematic wearing view of a bone conduction headset configured with earplugs.

Fig. 10 is a wearing schematic diagram of a bone conduction headset equipped with a conventional headset.

The marks in the figure:

1 the earphone body 10, the earplug 101 and the base 102 are provided with a pull ring 103 for sealing the round table.

2 bone conduction unit 21 connecting block 22 connecting hole.

3 ear hook 31 front hook ear 311 ear hook 3112 connecting slot 33 fixing hole

4 earphone wire 40 hangs neck frame 41 and adjusts fastener 42 line ball piece

5 traditional earphone 51 sound producing unit 52 connecting wire 53 audio input male head

6 connecting element 61 screw 62 rubber cap

And 7, receiving a microphone.

8 noise reduction microphone.

9 noise reduction control buttons.

Detailed Description

The utility model provides an improved bone conduction earphone, fig. 1 to 10 show, bone conduction earphone includes earphone main part 1 and earphone cord 4, earphone main part 1 is provided with bone conduction unit 2 and curved ear-hang 3, ear-hang 3 is provided with the back installation department that is used for hanging the front string ear 31 of dress in ear upper portion and is located the people ear rear side when wearing, bone conduction unit 2 is fixed in the back installation department of ear-hang 3, earphone cord 4 one end is connected in earphone main part 1, the other end is connected in bone conduction unit 2, earphone cord 4 installs line length adjustment mechanism, in order to realize adjusting the pulling force between two ear-hang 3 or bone conduction unit 2 to human skin's pressure.

Specifically, the bone conduction earphone has two ear-hooks 3 and two earphone wires 4 about, and the rear mounting portion of each ear-hook 3 is fixed with a bone conduction unit 2, and a corresponding earphone wire 4 is connected to each bone conduction unit 2, and two earphone wires 4 are connected in earphone main part 1 respectively, and the wire length adjustment mechanism is installed at the middle part of two earphone wires 4.

Preferably, the wire length adjusting mechanism comprises an adjusting wire clamp 41, the adjusting wire clamp 41 is provided with a threading sliding sleeve and a wire pressing block 42 movably mounted in the threading sliding sleeve, an elastic element capable of being movably propped against the wire pressing block 42 is mounted in the threading sliding sleeve, a wire clamping hole is formed in the threading sliding sleeve along the vertical direction of the moving direction of the wire pressing block 42, two earphone wires 4 respectively movably penetrate through the wire clamping hole, the wire pressing block 42 respectively elastically props against the two earphone wires 4, and the wire pressing block 42 is provided with a pressing part protruding out of the threading sliding sleeve. The tightness of the two ear-hooks 3 can be adjusted by adjusting the position of the wire clamp 41 to change the total length of the two earphone wires 4 between the two ear-hooks 3 connected together through the wire clamp 41, and the pressure of the bone conduction unit 2 to the skin can also be adjusted, for example, the wire clamp 41 is moved towards one side of the ear-hook 3 by a set distance to clamp the earphone wire 4, the tension of the two ear-hooks 3 is increased through the earphone wire 4, namely the clamping force of the two ear-hooks 3 is increased, otherwise, the tension between the two ear-hooks 3 is reduced by clamping the earphone wire 4 after the wire clamp 41 is moved towards one side of the earphone body 1, namely the clamping force of the two ear-hooks 3 is reduced. So that all wearers can obtain better comfort and better sound receiving effect.

The bone conduction earphone can achieve better effect only by tightly abutting the bone conduction unit 2 on the skull of the human body; the traditional bone conduction earphone adopts a head band clamping mode, the bone conduction units 2 are arranged at two ends of the head band and clamped on the skull of a human body, and because the clamping force cannot be adjusted, people with large head circumference can wear the bone conduction earphone partially; the invention ensures the wearing comfort of any crowd by adjusting the clamping force through adjusting the wire clamp 41.

Specifically, the adjusting wire clamp 41 is provided with a lateral mounting hole and a wire clamping hole penetrating through the adjusting wire clamp 41, the lateral mounting hole is laterally communicated with the wire clamping hole, and the earphone wire 4 is movably arranged in the wire clamping hole in a penetrating manner; the wire pressing block and the elastic element are movably installed in the lateral installation hole, the elastic element elastically abuts against the wire pressing block, the inner end part of the wire pressing block is provided with a wire pressing part, the outer end part of the wire pressing block is provided with a pressing part, and the pressing part extends out of the lateral installation hole and protrudes out of one side of the adjusting wire clamp 41; the earphone wire 4 is located one side of the line pressing part or the earphone wire 4 passes through a line clamping hole formed in the line pressing part, and the line pressing block movably abuts against the earphone wire 4 so as to clamp the earphone wire 4.

Preferably, the wire length adjusting mechanism comprises a wire winding and unwinding mechanism, the wire winding and unwinding mechanism is provided with a wire winding box, a wire winding shaft or a wire winding drum rotatably arranged in the wire winding box, an elastic element is arranged on the wire winding shaft or the wire winding drum, a locking mechanism is arranged on the wire winding box, the wire winding shaft or the wire winding drum, at least one wire outlet is arranged on the wire winding box, and the earphone wire 4 passes through the wire outlet and is wound on the wire winding shaft or the wire winding drum. Similarly, by winding or paying out the earphone wire 4, the total length of the two earphone wires 4 between the two ear hooks 3 connected together through the wire winding and unwinding mechanism is changed through the wire winding and unwinding mechanism, so that the tightness of the two ear hooks 3 can be adjusted, and the clamping force of the two ear hooks 3 can be adjusted.

Specifically, the end of the front ear-hanging part 31 is integrally formed with a front ear-hanging part 31 which is matched with the external auditory canal of the human ear and is used for being placed in the external auditory canal, the front ear-hanging part 31 and the rear mounting part are oppositely arranged at intervals, and an arc-shaped rod body used for being hung on the upper part of the ear is integrally formed between the front ear-hanging part 31 and the rear mounting part. The front ear 31 is integrally formed at the end of the rod body, the cross section of the front ear 31 is larger than that of the rod body, and the cross section of the front ear 31 is circular. The front ear hook portion 31 allows the ear hook 3 to be stably held in the upper portion of the ear.

The earphone main body 1 comprises a U-shaped neck hanging frame 40, the left end and the right end of the neck hanging frame 40 are respectively provided with a functional part, a battery or a control circuit is arranged in an inner cavity of at least one functional part, a control key electrically connected to the control circuit is arranged on the surface of at least one functional part, at least one functional part is provided with a radio microphone and a noise reduction microphone electrically connected to the control circuit, and two earphone wires 4 penetrate out from the middle part of the rear side of the neck hanging frame 40. The ear hook 3 is a C-shaped elastic flexible frame body, the upper part of the bone conduction unit 2 is fixed at the lower end part of the front hanging ear 31, the lower part of the bone conduction unit 2 is connected with the first end of an earphone wire 4, the second end of the earphone wire 4 is connected with the middle part of the earphone main body 1, and after the bone conduction earphone is worn, the bone conduction earphone wire 4 extending from the bone conduction unit 2 to the earphone main body 1 and the wire length adjusting mechanism freely hang at the rear side of the head of a human body. The invention improves the structure of the bone conduction earphone, so that the bone conduction earphone can be worn in a brand new way, the tightness of the earphone wire 4 is regulated through the wire length regulating mechanism, so that the tightness of the ear hook 3 and the pressure of the human skin of the bone conduction unit 2 are regulated, users with different head sizes can use and regulate the bone conduction earphone to the most comfortable state and the state with the best sound receiving effect, the head size and the shape of the users are not limited, the bone conduction unit 2 always keeps proper tight force through the earphone wire 4 freely hanging between the bone conduction unit 2 and the earphone host after the bone conduction earphone is worn, the bone conduction unit 2 always keeps proper tight contact with the skin, and good transmission of sound signals is ensured.

Specifically, an ear-hanging hole 311 penetrating the front ear-hanging part 31 is formed in the middle of the front ear-hanging part 31, external sound and balanced external air pressure can be heard through the ear-hanging hole 311, and the design of the ear-hanging hole 311 enables the front ear-hanging part 31 to have larger deformation, so that wearing comfort can be improved when the wearer wears the device. The ear-hanging hole 311 can be kept in communication with air during wearing, so that the sound transmitted to the ear through air can be directly received in the ear of a user, the bone conduction unit 2 can be received while external sound can be directly received for the user, more sound can be received by the ear of a user with weak hearing, and the ear-hanging hole 311 of the ear-hanging 3 with normal hearing can be kept in communication with air for a user with only one ear with weak hearing.

The earphone main body 1 is provided with a wireless communication module or an audio input interface which is electrically connected with the control circuit, and is wirelessly connected with electronic equipment such as a mobile phone or a television through the wireless communication module so as to receive and play corresponding voice or audio files through the wireless communication module or the audio input interface.

Specifically, an ear hook 3 is disposed on an ear hook 2, the first ends of the two earphone wires 4 are respectively and electrically connected to the earphone body 1, the outer ends of the two earphone wires are respectively and electrically connected to the two bone hook 2, so as to provide power, control signals and audio data for the bone hook 2, the ear hook 3 is an arc shape adapted to the auricle of the human ear, the front end part of the ear hook 3 is fixedly connected to the bone hook 2, the tail end part of the ear hook 3 is provided with a front ear hook 31 matched with the external auditory meatus of the human ear, and an earplug 10 is movably plugged in the front ear hook 31.

Specifically, an ear-hanging hole 311 penetrating the front ear-hanging part 31 is formed in the middle of the front ear-hanging part 31, an earplug can be tightly plugged into the ear-hanging hole 311, the earplug 10 is tightly plugged into the ear-hanging hole 311, and the ear is sealed by the earplug, so that external sound is isolated. When physical noise reduction is needed, the ear-hanging hole 311 is plugged by the earplug 10, so that environmental sound cannot enter the auditory canal, and the physical noise reduction is realized; when it is desired to listen to the ambient sound, the earplug 10 is removed and the external ambient sound enters the ear canal through the ear-hanging hole 311 and is then transmitted to the auditory nerve. The earplug is convenient to replace, low in replacement cost, capable of being taken down when not used, free of random swing up and down and left and right, and good in experience; the earplug and the earhook are made of silica gel, so that the earplug and the earhook are comfortable to wear and good in noise reduction effect.

The traditional earplug 10 is fixedly arranged on the bone conduction earphone, and is worn when needed and taken down when not needed; the earplug 10 is fixed on the earphone body through the earphone wire 4, and when in movement, the earplug is easy to shake, so that the experience is affected; the earplug 10 is directly fixed to the earphone body, so that wearing comfort is reduced, and discomfort is caused when the earplug is worn for a long time. The front ear hanging part 31 is arranged at the tail end part of the ear hanging part 3, and the front ear hanging part 31 is matched with the external auditory meatus; when the ear hook is worn, the ear hook 3 is hung on the ear along the auricle, the front ear hook part 31 plugs the external auditory meatus, and after the external auditory meatus is plugged by the front ear hook part 31, external environmental sound cannot enter auditory nerves through the auditory meatus, so that physical noise reduction can be realized.

Specifically, the ear hook 3 is made of silica gel, the ear hook 3 comprises a C-shaped flexible frame body made of silica gel, the front end part of the ear hook 3 is fixedly connected with the bone conduction unit 2, the ear hook 3 extends to the external auditory canal of the human ear along the auricle of the human ear to form a C-shaped ear hook 3, and the tail end part of the ear hook 3 extends outwards along the external auditory meatus of the human ear to form a front hook ear 31.

Preferably, the earplug 10 includes a base 101, a pull ring 102 and a sealing round platform 103, the pull ring 102 is fixedly connected to the top surface of the base 101, the top surface of the sealing round platform 103 is smaller than the bottom surface of the sealing round platform 103, the bottom surface of the sealing round platform 103 is fixedly connected to the bottom surface of the base 101, the sealing round platform 103 is in interference fit with an ear hanging hole 311, and the top surface of the base 101 is in abutting fit with one side of the front hanging ear portion 31.

Preferably, the earplug 10 is made of silica gel, and the base 101 is integrally formed with the pull ring 102 and the sealing cone 103, respectively. The silica gel material has elasticity, and sealed effectual adopts integrated into one piece simple structure, and the cost of manufacture is low.

The front end of the ear hook 3 of the traditional ear-hanging earphone is not provided with a fixed point, the earphone is easy to fall off or has poor sound receiving effect when in intense movement, particularly when in jump, the human body moves vertically compared with the ground, and the fixing capability of the ear-hanging earphone in the vertical direction is weaker; the ear hook 3 is hung above the auricle of the ear, the front end of the ear hook 3 extends to the middle of the auricle, the front hook ear 31 is plugged into the external auditory meatus, a fixed point is additionally arranged on the ear, the earphone is firmly fixed on the ear, and the stability is good when the human body moves vertically or transversely.

The rear end of the ear hook 3 is integrally formed with the front end of the bone conduction unit 2. Or the rear end of the ear hook 3 is movably connected with the front end of the bone conduction unit 2 by a detachable connection structure. The front end of the bone conduction unit 2 is provided with a connecting block 21 protruding outwards, and the rear end of the ear hook 3 is fixedly connected with the connecting block 21.

Preferably, the rear end of the ear hook 3 is provided with a connecting groove 32, the connecting block 21 is matched with the connecting groove 32, the connecting block 21 is inserted into the connecting groove 32, and the connecting block 21 is in clamping fit or interference fit with the connecting groove 32.

The ear hook 3 and the bone conduction unit 2 are of a detachable structure in a split mode, the bone conduction unit 2 is round, oval or rectangular, the ear hook 3 can be replaced, the service life of the bone conduction earphone is prolonged, and the use cost is reduced; because the sizes of the human ears are different, in order to meet the wearing comfort of all people, the earhooks 3 with different sizes can be selectively installed according to the sizes of the human ears, so that the fit people are increased.

The bone conduction unit 2 is provided with a rectangular connecting block 21 at the joint with the ear hook 3, a connecting hole 22 is formed in the middle of the connecting block 21, a connecting groove 32 matched with the connecting block 21 is formed in the front end of the ear hook 3, the connecting block 21 is in inserted fit with the connecting groove 32, fixing holes 33 corresponding to the connecting hole 22 are respectively formed in the left side surface and the right side surface of the front end of the ear hook 3, and when the connecting block 21 is in inserted fit with the connecting groove 32, the connecting hole 22 and the fixing holes 33 form a through hole penetrating through the connecting block 21 and the ear hook 3.

Specifically, the bone conduction earphone is provided with a plurality of connection elements 6, the connection elements 6 comprise screws 61 and rubber caps 62, the screws 61 penetrate through the fixing holes 33 to be in threaded connection with the connection holes 22, so that the ear hook 3 and the bone conduction unit 2 are fixedly connected, and the rubber caps 62 are sleeved on the heads of the screws 61. When the ear hook 3 is made of silica gel, aging, deformation or damage can occur, and the size of the ear hook 3 has great influence on wearing comfort due to different shapes of human ears, the ear hook 3 and the bone conduction unit 2 adopt a detachable structure which is split, the ear hook 3 can be replaced, the service life of the bone conduction earphone is prolonged, the use cost is reduced, and the adaptation crowd is increased. Preferably, a rubber cap 62 is sleeved on the head of the screw 61, so that the scratch of the screw 61 to a human body is reduced, the safety is improved, the screw 61 is prevented from leaking, and the appearance is attractive.

Specifically, the earphone main body 1 is U-shaped, and the earphone main body 1 is provided with a control button, a control main board, a power supply system and a radio device; the control button is electrically connected with the control main board, the power supply system is electrically connected with the control main board, and at least one of the left end and the right end of the earphone main body 1 is provided with a radio device. Because the components such as the control main board and the power supply system have a certain weight, particularly batteries in the power supply system, most of the existing bone conduction earphone adopts an integrated design, so that all the weight of the earphone needs to be borne by the head, wearing comfort is greatly reduced, even pain is generated when the earphone is worn for a long time, in order to solve the problem, the battery capacity and the control main board are compressed by part of bone conduction earphone, the weight and the earphone performance are reduced, and the cruising ability of the earphone is reduced; according to the invention, the split design is adopted, components are concentrated in the earphone main body 1, the earphone main body 1 is in a U-shaped design, the earphone main body 1 is hung on the neck, and the ears and the heads only need to bear the weight of the bone conduction unit 2 and the ear hook 3, so that wearing comfort is improved, and meanwhile, the cruising and performance of the earphone are ensured.

The power supply system is electrically connected with the control main board, the power supply system supplies power to the control main board, the control main board transmits received audio signals to the two bone conduction units 2 through the earphone wire 4, the bone conduction units 2 convert the audio signals into amplitude, and the head bone is vibrated to transmit sound; the sound receiving device is used for picking up external sounds and transmitting the collected sounds to the control main board so as to realize an intercom function; preferably, the left end and the right end of the earphone main body 1 are respectively provided with a sound receiving device, wherein one sound receiving device is responsible for collecting voice intercom; the other radio device is responsible for collecting environmental sounds and actively reducing noise.

Preferably, the earphone body 1 is provided with a bluetooth module for wireless transmission of audio signals, and the bluetooth module is electrically connected with the control main board. The Bluetooth module receives and transmits the audio signals without connecting a sound source by wires, so that the mobility and the convenience are improved.

The control circuit inside the earphone body 1 is provided with a noise reduction unit, the noise reduction unit comprises a microphone unit, a processing unit and a control unit, the microphone unit is provided with at least one sound receiving microphone 7 and at least one noise reduction microphone 8, the sound receiving microphone 7 and the noise reduction microphone 8 are respectively electrically connected with the processing unit, the earphone body 1 is provided with at least one noise reduction control button 9, the noise reduction control button 9 is electrically connected with the control unit, and the two bone conduction units 2 are respectively electrically connected with the control unit. The processing unit is respectively and electrically connected with the bone conduction unit 2, the sound receiving microphone 7, the noise reducing microphone 8 and the noise reducing control button 9, the sound receiving microphone 7 is close to the mouth of a human body, human voice is mainly collected, the noise reducing microphone 8 is far away from the mouth of the human body, environmental sound is mainly collected, signals of the sound receiving microphone 7 and signals of the noise reducing microphone 8 are transmitted to the processing unit, the processing unit compares the two signals, data of the environmental sound are stripped, signals opposite to the data of the environmental sound are generated and transmitted to the two bone conduction units 2, and the environmental sound is counteracted; the noise reduction control button controls the noise reduction microphone 8 to be closed or the data opposite signal of the environmental noise to be partially intercepted, so that the noise reduction is closed or the noise reduction capacity is adjusted, when a call is not needed, the noise reduction function can be closed, the electric quantity is reduced, and the earphone endurance is prolonged.

Specifically, the earphone body 1 is U-shaped, the sound receiving microphone 7 is mounted at the left end or the right end of the earphone body 1, and the noise reducing microphone 8 is mounted at the middle part of the earphone body 1 or on the bone conduction unit 2. The earphone body 1 comprises a C-shaped neck hanging rod and functional parts respectively connected to two ends of the neck hanging rod, wherein the functional parts are provided with inner cavities, and a battery is arranged in the inner cavity of one functional part. The inner cavity of the other functional part is provided with a control circuit which is provided with a noise reduction unit.

The radio microphone 7 is installed in the position nearer to the mouth of the human body, collects clearer human voice, the noise reduction microphone 8 is installed in the position farther to the mouth of the human body, more human voice is prevented from being collected, the two collected signals are transmitted to the processing unit, and the noise reduction effect is better.

Preferably, the microphone unit is provided with a plurality of noise reduction microphones 8, which are provided on the bone conduction unit 2 and/or the earphone body 1, respectively. The plurality of noise reduction microphones 8 are arranged, the environmental sounds with different frequencies are respectively collected, the processing unit can accurately strip the human voice and adapt to various different noisy environments, the noise reduction control button 9 can also independently close or open each noise reduction microphone 8 according to noise reduction requirements, so that the adjustment of noise reduction capacity or adaptation to different noise environments is realized, and the noise reduction effect is good.

Specifically, the noise reduction control button 9 is provided on the outer side or the inner side of the functional portion at either end of the headphone body 1. The noise reduction control button 9 is provided at the left end or the right end of the earphone body 1, facilitating the operation.

Specifically, the noise reduction control button 9 adopts a multi-stage button to realize noise reduction adjustment of different gears.

Preferably, the head of the ear hook 3 is provided with a front ear hook 31, the front ear hook 31 is tightly plugged at the external auditory meatus of the human ear, and the tail of the ear hook 3 is fixedly connected with the bone conduction unit 2. The front ear hanging part 31 plugs the external auditory meatus, and talkbacks the external auditory meatus, prevents environmental sound from entering auditory nerves, achieves the effect of passive noise reduction, and the effect of passive noise reduction is better by matching with active noise reduction.

The earphone body is provided with a noise reduction switch, the noise reduction switch controls the noise reduction force, or the noise reduction function is closed, when a call is not needed, the noise reduction function is closed, and the duration of the wireless bone conduction earphone is prolonged; according to the size of the environmental sound or the use requirement, the noise reduction force is adjusted, the phenomenon that the conversation sound is small due to excessive noise reduction is prevented, a new noise reduction function is provided for a user to select and use, and different noise reduction functions are used through switching, so that the user can select or shield different sounds or noises.

Of course, a conventional earphone 5 electrically connected to the earphone body 1 may be closely inserted in the ear-hanging hole 311, and the sounds of the conventional earphone 5 and the bone conduction unit 2 may be heard simultaneously while isolating the external sounds. External sound is obtained from a sound receiving microphone mounted on the earphone body 1 and is transmitted to the conventional earphone 5 for playing, and audio such as music can be played through the conventional earphone 5.

Bone conduction earphone is because through the skull transmission sound, does not have the sound field, and is relatively ordinary air conduction's earphone, and tone quality is relatively poor, experiences inadequately. According to the invention, the traditional earphone 5 is integrated into the bone conduction earphone, so that the bone conduction earphone and the traditional earphone 5 can be switched at will, or the bone conduction earphone and the traditional earphone 5 work simultaneously; the front ear-hanging part 31 of the ear-hanging part 3 is matched with the external auditory meatus of the human body, when the ear-hanging part 3 is worn, the ear-hanging part is hung on the ear along the auricle, the external auditory meatus is plugged by the front ear-hanging part 31, and the external auditory meatus is sealed with the front ear-hanging part 31. The environmental sound enters the external auditory canal through the ear hanging hole 311 of the front hanging part 31, so that the environmental sound can still be heard when the bone conduction earphone is used alone. The transmission traditional earphone and the bone conduction earphone are combined, stethoscope effect is avoided during movement, external auditory canal opening double ears can not be blocked, the possibility of earphone use in dangerous scenes is guaranteed, the earphone is used, meanwhile, the change of surrounding environment can be noted, and the use is safer. When listening to music, the sound quality is better by adopting air to conduct sound.

The conventional earphone 5 is provided with at least a sounding unit 51, the sounding unit 51 is provided with a protruding head for conducting sound to the human ear, and the head of the sounding unit 51 is in interference fit with the corresponding ear-hanging hole 311. When the traditional earphone 5 is tightly inserted into the ear hanging hole 311, the external auditory canal is blocked, and at the moment, the environment sound cannot be heard, and when the traditional earphone 5 does not work, the effect of physically reducing noise of the bone conduction earphone is achieved; the traditional earphone 5 and the bone conduction earphone can work simultaneously, so that the sound quality is better, and the sound is more stereo; the conventional earphone 5 can also work independently, and can relieve the sense of urgency when the bone conduction earphone is pressed against the skull for a long time.

The conventional earphone 5 has a connecting wire 52, one end of the connecting wire 52 is electrically connected to the sounding unit 51, and the other end of the connecting wire 52 is electrically connected to the earphone wire 4 or the earphone body 1. The traditional earphone 5 is electrically connected with the earphone main body 1 through the connecting wire 52, the earphone main body 1 respectively transmits audio to the bone conduction unit 2 and the traditional earphone 5, the bone conduction unit 2 and the traditional earphone 5 can work simultaneously, and the music playing effect is better; when the conventional earphone 5 is not required to be used, the conventional earphone 5 can be removed, and the ambient sound can be transmitted into the external auditory meatus through the ear-hanging hole 311.

The conventional earphone 5 is provided with a bluetooth module to realize wireless connection of the conventional earphone 5 with the earphone body 1. The traditional earphone 5 adopts bluetooth headset, through bluetooth communication wireless connection earphone main part 1, need not the connecting wire 52 constraint, and pleasing to the eye, conveniently accomodate.

At least one of the left and right ends of the earphone body 1 is provided with an audio output female head, the traditional earphone 5 is provided with an audio input male head 53, the head of the audio input male head 53 is at least electrically connected with a sound generating unit 51, and the tail of the audio input male head 53 is tightly inserted into the audio input female head and the audio input female head to be electrically connected. Preferably, the left and right ends of the earphone body 1 are respectively provided with an audio output female head, the conventional earphone 5 has a generating unit, and when the conventional earphone 5 is required to be used, the audio input male head 53 of one or two conventional earphone 5 can be connected and inserted into the audio input female head. Convenient to carry, traditional earphone 5 is convenient to accomodate.

The earphone main body 1 is provided with a control button, a control circuit, a power supply system and a radio receiving device; the control button is electrically connected with the control circuit, the power supply system is electrically connected with the control circuit, and at least one of the left end and the right end of the earphone main body 1 is provided with a radio device. The earphone body 1 is provided with a Bluetooth module for wireless transmission of audio signals, the Bluetooth module is electrically connected with a control circuit, and the Bluetooth module can be connected with audio source equipment such as a mobile phone in a wireless manner or simultaneously connected with audio output equipment such as an earphone. Because the control circuit, the power supply system and other components have a certain weight, particularly the battery in the power supply system, most of the existing bone conduction earphone adopts an integrated design, so that all the weight of the earphone needs to be borne by the head, wearing comfort is greatly reduced, even pain is generated when the earphone is worn for a long time, in order to solve the problem, the battery capacity and the control circuit are compressed by part of the bone conduction earphone, the weight and the earphone performance are reduced, and the cruising ability of the earphone is reduced; according to the invention, the split design is adopted, components are concentrated in the earphone main body 1, the earphone main body 1 is in a U-shaped design, the earphone main body 1 is hung on the neck, and the ears and the heads only need to bear the weight of the bone conduction unit 2 and the ear hook 3, so that wearing comfort is improved, and meanwhile, the cruising and performance of the earphone are ensured.

The power supply system is electrically connected with the control circuit, the power supply system supplies power to the control circuit, the control circuit transmits received audio signals to the two bone conduction units 2 through the earphone wire 4, the bone conduction units 2 convert the audio signals into amplitude, and the head bone is vibrated to transmit sound; the sound receiving device is used for picking up external sounds and transmitting the collected sounds to the control circuit so as to realize the intercom function; preferably, the left end and the right end of the earphone main body 1 are respectively provided with a sound receiving device, wherein one sound receiving device is responsible for collecting voice intercom; the other radio device is responsible for collecting environmental sounds and actively reducing noise.

The foregoing is merely exemplary of the present invention, and those skilled in the art should not be considered as limiting the invention, since modifications may be made in the specific embodiments and application scope of the invention in light of the teachings of the present invention.

Claims

1. An improved bone conduction earphone, comprising an earphone body (1) and an earphone cord (4), characterized in that: the earphone comprises an earphone main body (1), a neck hanging frame (40), a bone conduction unit (2) and an arc-shaped ear hook (3), wherein two earphone wires (4) penetrate out from the middle of the rear side of the neck hanging frame (40), the ear hook (3) is provided with a front ear hanging part (31) used for being hung on the upper part of an ear and a rear mounting part positioned on the rear side of a human ear when the earphone is worn, the bone conduction unit (2) is fixed on the rear mounting part of the ear hook (3), one end of the earphone wire (4) is connected with the earphone main body (1), the other end of the earphone wire (4) is connected with the bone conduction unit (2), and a wire length adjusting mechanism is arranged on the earphone wire (4) so as to adjust tension between the two ear hooks (3) or pressure of the bone conduction unit (2) on the skin of the human body; the wire length adjusting mechanism is arranged in the middle of the two earphone wires (4), the earphone wires (4) extending to the earphone body (1) from the bone conduction unit (2) and the wire length adjusting mechanism hang on the rear side of the head of a human body freely, and the total length of the two earphone wires (4) between the two ear hooks (3) connected together through the adjusting wire clamp (41) is changed to adjust the clamping force of the two ear hooks (3) and the pressure of the bone conduction unit (2) to the skin.

2. An improved bone conduction headset as recited in claim 1, wherein: the bone conduction earphone is provided with a left ear hook (3) and a right ear hook (4), the rear installation part of each ear hook (3) is fixedly provided with a bone conduction unit (2), each bone conduction unit (2) is connected with a corresponding earphone wire (4), and the two earphone wires (4) are respectively connected to the earphone main body (1).

3. An improved bone conduction headset as in claim 2, wherein: the wire length adjusting mechanism comprises an adjusting wire clamp (41), the adjusting wire clamp (41) is provided with a threading sliding sleeve and a wire pressing block (42) movably mounted in the threading sliding sleeve, an elastic element movably propping against the wire pressing block (42) is mounted in the threading sliding sleeve, a wire clamping hole is formed in the threading sliding sleeve along the vertical direction of the moving direction of the wire pressing block (42), two earphone wires (4) respectively movably penetrate through the wire clamping hole, the wire pressing block (42) respectively elastically propps against the two earphone wires (4), and a pressing part protruding out of the threading sliding sleeve is arranged on the wire pressing block (42).

4. An improved bone conduction headset according to any one of claims 1 to 3, wherein: the front ear hanging part (31) is characterized in that the tail end part of the front ear hanging part (31) is integrally formed with a front ear hanging part (31) matched with the external auditory canal of the human ear and used for being placed in the external auditory canal, the front ear hanging part (31) and the rear mounting part are oppositely arranged at intervals, and an arc-shaped rod body used for being hung on the upper part of the ear is integrally formed between the front ear hanging part (31) and the rear mounting part.

5. An improved bone conduction headset as in claim 4, wherein: the middle part of the front ear hanging part (31) is provided with an ear hanging hole (311) penetrating through the front ear hanging part (31), and the ear hanging hole (311) is communicated with air, is tightly plugged into an earplug or is tightly plugged into a traditional earphone (5) electrically connected with the earphone main body (1).

6. An improved bone conduction headset as in claim 4, wherein: the ear hook is characterized in that the ear hook (3) is in a C-shaped elastic flexible frame body, the upper part of the bone conduction unit (2) is fixed at the lower end part of the front hanging lug part (31), the lower part of the bone conduction unit (2) is connected with a first end of the earphone wire (4), and a second end of the earphone wire (4) is connected with the middle part of the earphone main body (1).

7. An improved bone conduction headset as in claim 4, wherein: the front hanging lug part (31) is integrally formed at the tail end part of the rod body, the section of the front hanging lug part (31) is larger than that of the rod body, and the section of the front hanging lug part (31) is circular; the neck hanging frame (40) is U-shaped, the left end and the right end of the neck hanging frame (40) are respectively provided with a functional part, a battery or a control circuit is arranged in an inner cavity of at least one functional part, the surface of at least one functional part is provided with a control key electrically connected with the control circuit, and at least one functional part is provided with at least one radio microphone and/or noise reduction microphone electrically connected with the control circuit.

8. An improved bone conduction headset as in claim 7, wherein: the control circuit arranged in the earphone main body (1) is provided with a noise reduction unit, the noise reduction unit comprises a microphone unit, a processing unit and a control unit, the microphone unit comprises at least one sound receiving microphone (7) and at least one noise reduction microphone (8), the neck hanging frame (40) or the functional part is provided with at least one sound receiving microphone (7) or at least one noise reduction microphone (8), the sound receiving microphone (7) and the noise reduction microphone (8) are respectively and electrically connected with the processing unit, the earphone main body (1) is provided with a noise reduction control button (9), the noise reduction control button (9) is electrically connected with the control unit, and the two bone conduction units (2) are respectively and electrically connected with the control unit; the noise reduction control button (9) is arranged on the outer side surface or the inner side surface of any functional part.

9. An improved bone conduction headset as in claim 4, wherein: the bone conduction unit (2) is provided with a rectangular connecting block (21) at the junction with the ear hook (3), a connecting hole (22) has been seted up at connecting block (21) middle part, one with connecting block (21) assorted spread groove (32) is seted up to the front end of ear hook (3), connecting block (21) and spread groove (32) insert the cooperation, fixed orifices (33) corresponding with connecting hole (22) are seted up respectively to the left and right sides face of the front end of ear hook (3), when connecting block (21) and spread groove (32) insert the cooperation, connecting hole (22) and fixed orifices (33) form a through-hole of penetrating connecting block (21) and ear hook (3).

10. An improved bone conduction headset as in claim 9, wherein: the bone conduction earphone is provided with a plurality of connecting elements (6), the connecting elements (6) comprise screws (61) and rubber caps (62), the screws (61) penetrating through the fixing holes (33) are connected with the connecting holes (22) in a threaded mode, so that the earhook (3) and the bone conduction unit (2) are fixedly connected, and the rubber caps (62) are sleeved on the heads of the screws (61); the earphone main body (1) is provided with a wireless communication module or an audio input interface which are electrically connected with the control circuit.