CN219514207U - Non-in-ear earphone head and wireless earphone - Google Patents
Non-in-ear earphone head and wireless earphone Download PDFInfo
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- CN219514207U CN219514207U CN202320423571.0U CN202320423571U CN219514207U CN 219514207 U CN219514207 U CN 219514207U CN 202320423571 U CN202320423571 U CN 202320423571U CN 219514207 U CN219514207 U CN 219514207U
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Abstract
The utility model provides a non-in-ear earphone head and a wireless earphone, wherein the non-in-ear earphone head comprises: the main shell comprises a front panel, a back panel and a first accommodating cavity, wherein the front panel is provided with a first sound outlet hole, and the back panel is provided with a second sound outlet hole; the vibrating diaphragm sound generating device comprises a sound generating surface and a sound generating back surface, and is arranged in the first accommodating cavity, a front sound cavity is formed between the sound generating surface and the front panel, and the front sound cavity is used for generating a sound Kong Chuyin through a first sound; the housing comprises a third sound outlet hole, the housing is arranged on one side, far away from the front panel, of the first accommodating cavity in a covering manner that the third sound outlet hole is opposite to the second sound outlet hole, a relatively closed rear sound cavity is formed between the sound production back surface of the vibrating diaphragm sound production device and the housing, and the rear sound cavity is used for outputting sound Kong Chuyin through the third sound outlet hole and the second sound outlet hole. The utility model can avoid the mixing of sound in the main shell and improve the sound effect of the non-in-ear earphone head.
Description
Technical Field
The utility model relates to the field of audio playing equipment, in particular to a non-in-ear earphone head and a wireless earphone.
Background
According to different wearing modes, the traditional earphone is divided into an earplug type earphone and an earmuff type earphone, wherein the earplug type earphone is required to be inserted into an ear canal of a wearer when in use, and the ear is uncomfortable after being worn for a long time; the earmuff type earphone does not need to be inserted into the auditory canal of a wearer, but needs to cover the whole auricle, so that the earmuff type earphone needs to squeeze the auricle when in use, so as to ensure that emitted sound can be transmitted into the auditory canal as much as possible, and the earmuff type earphone also has disadvantages after long-term use, such as discomfort of the auricle.
In order to overcome the defects of the conventional earphone, a bone conduction earphone which converts sound into mechanical vibration with different frequencies, enables perilymph to correspondingly fluctuate through a skull approach and activates a spiral device of a cochlea to generate hearing is presented. For the sound conduction mode of producing the sound wave through the vibrating diaphragm, bone conduction earphone neither need to pack into the ear canal, also need not to cover the auricle, but in order to realize better vibration transmission, bone conduction earphone need press from both sides tight human skull when wearing to there is the sense of oppression to the head, also can cause uncomfortable sense for the wearer when wearing for a long time.
In order to solve the uncomfortable sense that the bone conduction earphone caused to the wearer when wearing for a long time, the air conduction earphone with a similar structure with the bone conduction earphone appears, the air conduction earphone produces sound through the vibrating diaphragm sound producing device, and the earphone head is worn outside the concha cavity, and the sound that the earphone outside the external auditory meatus is transmitted to the internal auditory meatus through the directional sound guiding hole. However, the earphone head shell in the air-guide earphone is relatively large, the vibrating diaphragm sound generating device is directly arranged in the earphone head shell, and sound generated by the back surface of the vibrating diaphragm sound generating device due to vibration is mixed with sound generated by the sound generating surface of the vibrating diaphragm sound generating device in the earphone head shell, so that the overall sound effect is poor.
Disclosure of Invention
The utility model aims to solve the technical problem that the air conduction earphone has poor sound effect, and provides a novel non-in-ear earphone head and a wireless earphone.
The technical scheme for solving the technical problems is to provide a non-in-ear earphone head, which comprises:
the main shell comprises a front panel, a back panel and a first accommodating cavity positioned between the front panel and the back panel, wherein the front panel is provided with a first sound outlet hole, and the back panel is provided with a second sound outlet hole;
the vibrating diaphragm sound generating device comprises a sound generating surface and a sound generating back surface positioned on the back surface of the sound generating surface, and is arranged in the first accommodating cavity in a mode that the sound generating surface faces to the front panel, and a front sound cavity is formed between the sound generating surface and the front panel, and the front sound cavity is used for generating sound Kong Chuyin through a first sound;
the housing comprises a third sound outlet hole, the housing is arranged on one side, far away from the front panel, of the first accommodating cavity in a covering manner that the third sound outlet hole is opposite to the second sound outlet hole, a relatively closed rear sound cavity is formed between the sound production back surface of the vibrating diaphragm sound production device and the housing, and the rear sound cavity passes through the third sound outlet hole and the second sound outlet Kong Chuyin.
As a further improvement of the utility model, the inner wall surface of the front panel is provided with an annular baffle plate protruding towards the back plate, the vibrating diaphragm sounding device is fixed in the annular baffle plate in a mode that the edge of the vibrating diaphragm sounding device is in sealing connection with the annular baffle plate, and the front sound cavity is formed by enclosing the inner wall surface of the front panel, the inner wall surface of the annular baffle plate and the sounding surface of the vibrating diaphragm sounding device.
As a further improvement of the utility model, the first sound outlet is positioned in the orthographic projection area of the front panel of the first accommodating cavity; the second sound outlet hole is positioned in the forward projection area of the backboard in the first accommodating cavity;
the housing is buckled at the top end of the annular baffle, and the outer wall surface of the housing is attached to the inner wall surface of the backboard; the back sound cavity is formed by enclosing the inner wall surface of the housing, the inner wall surface of the annular baffle plate and the sound production back surface of the vibrating diaphragm sound production device.
As a further improvement of the utility model, the housing is bowl-shaped, and the back plate comprises a back plate main body and a veneer; the back plate main body is provided with an opening, at least one part of the housing is embedded into the opening, the third sound outlet hole is positioned on the veneer, and the veneer is attached to the outer wall of the back plate main body and seals the opening.
As a further improvement of the present utility model, the main housing includes a second accommodation chamber located between the front panel and the back panel, and the first accommodation chamber and the second accommodation chamber are separated by the annular baffle; the non-in-ear earphone head comprises a control circuit board, and the control circuit board is arranged in the second accommodating cavity.
As a further improvement of the utility model, the first sound outlet is positioned in the orthographic projection area of the front panel of the first accommodating cavity; the second sound outlet hole is positioned outside the forward projection area of the backboard in the first accommodating cavity;
the inner wall surface of the front panel is provided with a first sound guide groove, and the first sound guide groove is communicated with one side, far away from the front panel, of the first accommodating cavity; the cover shell is buckled at the top ends of the annular baffle plate and the first sound guide groove, a rear sound cavity is formed by enclosing the inner wall surface of the cover shell, the inner wall surface of the annular baffle plate and the sound production back surface of the vibrating diaphragm sound production device, a sound guide channel communicated with the rear sound cavity is formed by enclosing the inner wall surface of the cover shell and the inner wall surface of the first sound guide groove, and the third sound outlet is positioned at the tail end of the sound guide channel.
As a further improvement of the utility model, the inner wall surface of the housing is provided with a bowl-shaped groove and a second sound guide groove, the head end of the second sound guide groove is communicated with the bowl-shaped groove, the third sound outlet hole is positioned at the tail end of the second sound guide groove, when the housing is buckled at the top ends of the annular baffle plate and the first sound guide groove, the inner wall surface of the bowl-shaped groove, the inner wall surface of the annular baffle plate and the sound production back surface of the vibrating diaphragm are enclosed to form a rear sound cavity, and the inner wall surface of the second sound guide groove and the inner wall surface of the first sound guide groove are enclosed to form a sound guide channel.
As a further improvement of the present utility model, the non-in-ear earphone head includes a control circuit board fixed outside the first accommodation chamber in parallel to the front panel, and at least a part of the sound guide channel is located between the control circuit board and the front panel.
As a further improvement of the present utility model, the cross-sectional area of the first sound outlet is larger than the cross-sectional areas of the second sound outlet and the third sound outlet, and the cross-sectional areas of the second sound outlet and the third sound outlet are not smaller than 0.05CM 2 。
The utility model also provides a wireless earphone, which comprises a wearing component and the non-in-ear earphone head, wherein the wearing component comprises an ear hook, and the non-in-ear earphone head is connected to one end of the ear hook.
The utility model has the following beneficial effects: through set up first holding chamber and housing in the main casing of earphone head, form the preceding sound chamber that is located vibrating diaphragm sound generating mechanism front end and be located the back sound chamber of vibrating diaphragm sound generating mechanism rear end in the main casing, and the sound in preceding sound chamber sends through the first play sound hole of front panel, and the sound in back sound chamber sends through the second play sound hole of backplate, has avoided the interior sound mixing of main casing, has improved the sound effect of non-in-ear earphone head.
Drawings
FIG. 1 is a schematic illustration of a non-in-ear earphone head provided by an embodiment of the present utility model;
FIG. 2 is a schematic illustration of an exploded construction of a non-in-ear earphone head provided in an embodiment of the present utility model;
FIG. 3 is a schematic view of the housing of FIG. 2 with a control circuit board mounted to the front panel;
FIG. 4 is a schematic illustration of the structure of a housing of a non-in-ear earphone head provided by an embodiment of the present utility model;
FIG. 5 is a schematic cross-sectional view of a non-in-ear earphone head according to an embodiment of the present utility model;
FIG. 6 is a schematic illustration of an exploded construction of a non-in-ear earphone head provided in accordance with another embodiment of the present utility model;
FIG. 7 is a schematic view of the enclosure of FIG. 6 mounted to a front panel;
FIG. 8 is a schematic view of a housing and a sound guide of a non-in-ear earphone head according to another embodiment of the present utility model;
fig. 9 is a schematic diagram of a wireless earphone according to an embodiment of the present utility model;
fig. 10 is a schematic diagram of a wireless earphone according to another embodiment of the present utility model.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The non-in-ear earphone head and the wireless earphone of the embodiments of the utility model do not need to plug the earphone head into the auditory canal and cover the outer ear when being worn, are comfortable to wear, and the sound is spread around the ear in a plurality of different directions instead of being directly spread forwards in the auditory canal, so that the stethoscope effect and the in-head effect can be relieved.
The non-in-ear earphone heads and wireless headsets of various embodiments of the present utility model are described in detail below with reference to the accompanying drawings.
1-5 are schematic diagrams of a non-in-ear earphone head provided by an embodiment of the present utility model, where the non-in-ear earphone can be worn outside an concha cavity and used for playing audio data (e.g., music, voice, etc.). The earphone head 10 of the present utility model includes a main housing, a diaphragm sound generating device 16 and a cover 14, wherein the diaphragm sound generating device 16 and the cover 14 are both installed in the main housing. The above-mentioned vibrating diaphragm sound generating device 16 can convert an electrical signal into sound (for example, the vibrating diaphragm can vibrate and generate sound by controlling the magnetic field change), and in particular, the vibrating diaphragm sound generating device 16 can be a loudspeaker, which can adopt a structure known in the art and will not be described herein.
The main housing has a certain hardness, can be made of plastic materials, metal materials or mixed materials, and can protect the vibrating diaphragm sound generating device 16 therein. The main housing includes a front panel 11, a back panel 12, and a first accommodating cavity 112 between the front panel 11 and the back panel 12, wherein the front panel 11 has a first sound outlet 111, the back panel 12 has a second sound outlet 1221, and when the earphone head 10 is worn on a human body, the outer wall of the front panel 11 is attached to the face of the human body, the first sound outlet 111 faces the outer eardoor, the second sound outlet 1221 faces away from the face of the human body, i.e. the part of the front panel 11 having the first sound outlet 111 is suspended outside the concha cavity and faces the concha cavity, while the other part of the front panel 11 is attached to the face near the outer ear. In one embodiment of the present utility model, the main housing is formed of a front case including a front panel 11 and an annular side plate 13 formed by extending the edge of the front panel 11 vertically, and a rear cover including a back plate 12, and the rear cover is snapped onto an end of the annular side plate 13 remote from the front panel 11. In particular, in order to improve the sealing performance, the fastening portion between the annular side plate 13 and the rear cover may be provided with a step structure or a fastening groove structure, and the specific fastening structure may be a conventional structure in the art, which is not described herein.
The diaphragm sound generating device 16 has a sound generating surface 161 and a sound generating back surface 162 located at a back surface of the sound generating surface 161, where the sound generating surface 161 is a surface of the diaphragm sound generating device 16 that generates sound, and for example, the sound generating surface 161 may be a front surface of a loudspeaker. The diaphragm sound generating device 16 is mounted to the first accommodating cavity 112 with the sound generating surface 161 facing the front panel 11, and forms a front sound cavity 1121 between the sound generating surface 161 and the front panel 11, and the front sound cavity 1121 is connected to the outside through the first sound outlet 111, i.e. the front sound cavity 1121 is connected to the outside through the first sound outlet 111.
The cover 14 is provided with a third sound outlet 141, the shape and size of the third sound outlet 141 are matched with those of the second sound outlet 1221, the cover 14 is covered on one side of the first accommodating cavity 112 far away from the front panel 11 in a manner that the third sound outlet 141 is opposite to the second sound outlet 1221 on the back panel 12, a relatively closed back sound cavity 1122 is formed between the sound producing back 162 of the diaphragm sound producing device 16 and the cover 14, and the back sound cavity 1122 produces sound through the third sound outlet 141 and the second sound outlet 1221, namely, the front sound cavity 1121 is communicated with the outside through the third sound outlet 141 and the second sound outlet 1221. The cover 14 may be made of the same material as the main housing, and in practical applications, in order to avoid vibration and sound emission of the cover 14 (e.g., collision and sound emission with the main housing), the cover 14 may be made of a material with a hardness smaller than that of the main housing, such as silica gel.
The above-mentioned non-in-ear earphone head, through setting up first holding chamber 112 and housing 14 in the main casing, form in the main casing and be located the preceding sound chamber 1121 of vibrating diaphragm sound generating mechanism 16 front end and be located the back sound chamber 1122 of vibrating diaphragm sound generating mechanism 16 rear end, and the sound of preceding sound chamber 1121 sends through the first sound hole 111 of front panel 11, the sound of back sound chamber 1122 sends through the second sound hole 1221 of backplate 12, the sound that has avoided vibrating diaphragm sound generating mechanism 16 sound and the sound that produces because of vibrating diaphragm sound generating mechanism 16 itself vibrates mixes, the audio effect of non-in-ear earphone head has been improved. And, two sound holes sound simultaneously can also strengthen the stereophonic effect of earphone head to a certain extent.
In one embodiment of the present utility model, the inner wall surface of the front panel 11 of the main housing has an annular baffle 113 protruding toward the back plate 12, the annular baffle 113 may be integrated with the front panel 11, and the first accommodating cavity 112 is located in a region surrounded by the annular baffle 113. The shape of the annular baffle 113 is adapted to the shape of the diaphragm sound generating device 16, and the diaphragm sound generating device 16 is fixed in the annular baffle 113 in such a manner that the edge of the diaphragm sound generating device is sealed with the annular baffle 113 (for example, by gluing, fixing), and the front sound cavity 1121 is enclosed by the inner wall surface of the front panel 11, the inner wall surface of the annular baffle 113, and the sound generating surface 161 of the diaphragm sound generating device 16. In this way, the sound generated by the vibration of the sound emitting surface 161 of the diaphragm sound emitting device 16 enters the front sound chamber 1211, is mixed by the front sound chamber 1211, and is transmitted through the first sound outlet 111, for example, directly enters the external auditory meatus through the external auricle.
Compared with the prior mode of directly fixing the vibrating diaphragm sound generating device on the front panel by using the screw, the structure can ensure the stable fixation of the vibrating diaphragm sound generating device 16 and improve the sealing and isolating effect of the front sound cavity 1121 and other spaces in the main shell. In particular, a fixed step is provided on the inner wall of the annular baffle 113, and the edge of the sound-emitting surface 161 of the diaphragm sound-emitting device 16 is stuck to the step surface.
In one embodiment of the present utility model, the first sound outlet 111 is located in the front projection area of the front panel 11 in the first accommodating cavity 112; the second sound outlet 1221 is located in the front projection area of the back plate 12 in the first accommodating cavity 112. Correspondingly, the cover 14 is buckled on the top end of the annular baffle 113, and the outer wall surface of the cover 14 is attached to the inner wall surface of the backboard 12; the rear sound chamber 1122 is surrounded by the inner wall surface of the housing 14, the inner wall surface of the annular baffle 113, and the sound emission back surface 162 of the diaphragm sound emission device 16. The sound (typically, low frequency sound) generated by the vibration of the diaphragm sound generating device 16 disturbing the air enters the rear sound chamber 1122, is mixed in the rear sound chamber 1122, and is transmitted through the second sound outlet 1221. The structure is suitable for the earphone head with relatively small thickness of the main shell and relatively large area attached to the face of the human body.
As shown in fig. 4, the cover 14 may be bowl-shaped overall, so as to better cover the back surface of the diaphragm sound generator 16. Accordingly, the back plate 12 includes a back plate body 121 and a veneer 122; the back-plate body 121 has an opening 1211 thereon, and at least a portion of the housing 14 is embedded within the opening 1211. The second sound outlet 1221 is located on the veneer 122, and the veneer 122 is attached to the outer wall of the back-plate body 121 and seals the opening 1211. The back-plate body 121 may be made of the same material as the front panel 11, and the back-plate body 121 may be fastened to other parts of the main casing by fastening, gluing, screwing, etc.; the veneer 122 may be made of a relatively elastic material such as silica gel, and may be fixed on the outer wall surface of the back-plate body 121 by an adhesive manner (correspondingly, the outer wall surface of the back-plate body 121 may have a groove 1212 adapted to the shape and size of the veneer 122). With the above structure, the overall thickness of the earphone head 10 can be reduced without affecting the aesthetic appearance of the earphone head 10 as a whole.
In one embodiment of the present utility model, the front panel 11 and the back panel 12 of the main housing have a second accommodation chamber 114 in addition to the first accommodation chamber 112, and the second accommodation chamber 114 and the first accommodation chamber 112 are separated by an annular baffle 113. Accordingly, the earphone head 10 further includes a control circuit board 15, and the control circuit board 15 is mounted in the second receiving chamber 114. The control circuit board 15 may integrate control keys, a microphone, etc. to realize sound playing control, external sound input, etc. Due to the annular baffle 113 and the housing 14, the sound (or air flow) generated by the vibrating diaphragm sound generating device 16 is not transmitted into the second accommodating cavity 114, so that the sound wave on the back of the vibrating diaphragm sound generating device 16 is not absorbed by the control circuit board 15, the low-frequency sound generating effect of the earphone head 10 is not affected, and meanwhile, the control circuit board 15 and electronic elements thereon are not vibrated by the sound wave, so that noise is reduced.
In one embodiment of the present utility model, the cross-sectional area of the first sound outlet 111 is larger than the cross-sectional areas of the second and third sound outlet 1221 and 141, and the cross-sectional areas of the second and third sound outlet 1221 and 141 are not smaller than 0.05CM 2 Thereby increasing the sound output volumes of the first sound output hole 111 and the second sound output hole 1221.
In particular, the first sound outlet 111 and the second sound outlet 1221 may be provided with filter screens respectively. For example, the filter screen can be made of waterproof and sound-permeable materials, such as waterproof and sound-permeable patches or waterproof and sound-permeable films, so that the waterproof and dust-proof capacities of the earphone head are greatly improved.
Fig. 6-8 are schematic illustrations of a non-in-ear earphone head provided in accordance with another embodiment of the present utility model. The non-in-ear earphone head of the present embodiment also includes a main housing, a diaphragm sound generating device 66 and a cover 64, where the diaphragm sound generating device 66 and the cover 64 are both installed in the main housing; the main housing comprises a front panel 61, a back panel 62, a first accommodating cavity 612 which is arranged between the front panel 61 and the back panel 62 and is surrounded by an annular baffle 613, wherein the front panel 61 is provided with a first sound outlet hole, and the back panel 62 is provided with a second sound outlet hole 621; the cover 64 is provided with a third sound outlet 641, and the cover 64 is covered on one side of the first accommodating cavity 612 far from the front panel 61 in a manner that the third sound outlet 641 is opposite to the second sound outlet 621 of the back plate 62.
Unlike the embodiment of fig. 1-5, in the earphone head of the present embodiment, the first sound outlet is located in the front projection area of the front panel 61 in the first receiving cavity 612, and the second sound outlet 621 is located outside the front projection area of the back panel 62 in the first receiving cavity 612. Accordingly, the inner wall surface of the front panel 61 is provided with a first sound guiding groove 661 (the first sound guiding groove 661 may be integral with the front panel 61 or located on the sound guiding member 66 fixed in the main housing), and the first sound guiding groove 661 communicates with a side of the first accommodation chamber 612 remote from the front panel 61. The cover 64 is fastened to the top ends of the annular baffle 613 and the first sound guide channel 661, and is surrounded by the inner wall surface of the cover 64, the inner wall surface of the annular baffle 613 and the sound emitting back surface of the diaphragm sound emitting device 66 to form a rear sound cavity, and the inner wall surface of the cover 64 and the inner wall surface of the first sound guide channel 661 are surrounded to form a sound guide channel communicated with the rear sound cavity, and the third sound outlet 641 is positioned at the tail end of the sound guide channel. The structure is suitable for the earphone head with relatively large thickness and relatively small area attached to the face of the human body.
Preferably, the inner wall surface of the cover 64 has a bowl-shaped groove and a second sound guiding groove, the head end of the second sound guiding groove is connected to the bowl-shaped groove, the third sound outlet 641 is located at the end of the second sound guiding groove, and when the cover 64 is fastened to the top ends of the annular baffle 613 and the first sound guiding groove 661, the inner wall surface of the bowl-shaped groove, the inner wall surface of the annular baffle 613 and the sound producing back surface of the diaphragm sound producing device 66 enclose to form a rear sound cavity, and the inner wall surface of the second sound guiding groove and the inner wall surface of the first sound guiding groove 661 enclose to form a sound guiding channel, that is, the second sound outlet 621 is shifted through the sound guiding channel, so that the second sound outlet 621 approaches to the auricle, thereby improving the sound effect.
The above-mentioned non-in-ear earphone head includes a control circuit board 65, the control circuit board 65 is fixed outside the first accommodating cavity 612 in parallel to the front panel 61, and at least a portion of the sound guiding channel is located between the control circuit board 65 and the front panel 61, even the control circuit board 65 may extend between the rear sound cavity and the back plate 62, thereby improving space utilization.
As shown in fig. 9, the present utility model also provides a wireless earphone that can be worn with one ear, comprising a wearing member and the non-in-ear earphone head 60 as described above, wherein the wearing member comprises an ear hook 71, and the non-in-ear earphone head 60 is connected to one end of the ear hook 71. The other end of the ear hook has a battery compartment 72 for receiving a battery, and the battery within the battery compartment 72 is electrically connected to a control circuit board within the main housing of the earphone head via wires passing through the ear hook 71.
The ear hook 71 can be attached to the outer wall of the ear of the wearer, so that the earphone head 60 is hung and worn, the earphone head 60 does not need to excessively squeeze the face of the wearer, discomfort caused to the wearer is reduced, and the wireless earphone is convenient to wear for a long time.
Similarly, as shown in fig. 10, in another embodiment of the wireless earphone of the present utility model, the wireless earphone includes a wearing member and two earphone heads 10 as described above, wherein the wearing member includes a rear hook 21 and two ear hooks 22, and the two earphone heads 10 are respectively fixed to free ends of the two ear hooks 22.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.
Claims (10)
1. A non-in-ear earphone head, comprising:
the main shell comprises a front panel, a back panel and a first accommodating cavity positioned between the front panel and the back panel, wherein the front panel is provided with a first sound outlet hole, and the back panel is provided with a second sound outlet hole;
the vibrating diaphragm sound generating device comprises a sound generating surface and a sound generating back surface positioned on the back surface of the sound generating surface, and is arranged in the first accommodating cavity in a mode that the sound generating surface faces to the front panel, and a front sound cavity is formed between the sound generating surface and the front panel, and the front sound cavity is used for generating sound Kong Chuyin through a first sound;
the housing comprises a third sound outlet hole, the housing is arranged on one side, far away from the front panel, of the first accommodating cavity in a covering manner that the third sound outlet hole is opposite to the second sound outlet hole, a relatively closed rear sound cavity is formed between the sound production back surface of the vibrating diaphragm sound production device and the housing, and the rear sound cavity passes through the third sound outlet hole and the second sound outlet Kong Chuyin.
2. The non-in-ear earphone head according to claim 1, wherein the inner wall surface of the front panel has an annular baffle protruding toward the back plate, the diaphragm sound generating device is fixed in the annular baffle in a manner that an edge is in sealing connection with the annular baffle, and the front sound cavity is enclosed by the inner wall surface of the front panel, the inner wall surface of the annular baffle, and the sound generating surface of the diaphragm sound generating device.
3. The non-in-ear earphone head according to claim 2, wherein the first sound outlet aperture is located in the front projection area of the front panel in the first receiving cavity; the second sound outlet hole is positioned in the forward projection area of the backboard in the first accommodating cavity;
the housing is buckled at the top end of the annular baffle, and the outer wall surface of the housing is attached to the inner wall surface of the backboard; the back sound cavity is formed by enclosing the inner wall surface of the housing, the inner wall surface of the annular baffle plate and the sound production back surface of the vibrating diaphragm sound production device.
4. The non-in-ear earphone head of claim 3 wherein the housing is bowl-shaped and the backplate comprises a backplate body and a veneer; the back plate main body is provided with an opening, at least one part of the housing is embedded into the opening, the third sound outlet hole is positioned on the veneer, and the veneer is attached to the outer wall of the back plate main body and seals the opening.
5. The non-in-ear earphone head of claim 3 wherein the main housing comprises a second receiving cavity between the front and back panels, and the first and second receiving cavities are separated by the annular baffle; the non-in-ear earphone head comprises a control circuit board, and the control circuit board is arranged in the second accommodating cavity.
6. The non-in-ear earphone head according to claim 2, wherein the first sound outlet aperture is located in the front projection area of the front panel in the first receiving cavity; the second sound outlet hole is positioned outside the forward projection area of the backboard in the first accommodating cavity;
the inner wall surface of the front panel is provided with a first sound guide groove, and the first sound guide groove is communicated with one side, far away from the front panel, of the first accommodating cavity; the cover shell is buckled at the top ends of the annular baffle plate and the first sound guide groove, a rear sound cavity is formed by enclosing the inner wall surface of the cover shell, the inner wall surface of the annular baffle plate and the sound production back surface of the vibrating diaphragm sound production device, a sound guide channel communicated with the rear sound cavity is formed by enclosing the inner wall surface of the cover shell and the inner wall surface of the first sound guide groove, and the third sound outlet is positioned at the tail end of the sound guide channel.
7. The non-in-ear earphone head according to claim 6, wherein the inner wall surface of the housing has a bowl-shaped groove and a second sound guiding groove, the head end of the second sound guiding groove is connected with the bowl-shaped groove, the third sound outlet is located at the tail end of the second sound guiding groove, and when the housing is fastened to the top ends of the annular baffle plate and the first sound guiding groove, the inner wall surface of the bowl-shaped groove is enclosed with the inner wall surface of the annular baffle plate and the sound production back surface of the diaphragm sound production device to form a rear sound cavity, and the inner wall surface of the second sound guiding groove and the inner wall surface of the first sound guiding groove are enclosed to form a sound guiding channel.
8. The non-in-ear earphone head according to claim 6, wherein the non-in-ear earphone head comprises a control circuit board that is secured outside the first receiving cavity in parallel to the front panel, and at least a portion of the sound guide channel is located between the control circuit board and the front panel.
9. The non-in-ear earphone head according to any one of claims 1-8, wherein the cross-sectional area of the first sound outlet is greater than the cross-sectional areas of the second and third sound outlets, and the cross-sectional areas of the second and third sound outlets are not less than 0.05CM 2 。
10. A wireless headset comprising a wearing member and a non-in-ear head according to any of claims 1-9, the wearing member comprising an ear hook and the non-in-ear head being connected to one end of the ear hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320423571.0U CN219514207U (en) | 2023-02-28 | 2023-02-28 | Non-in-ear earphone head and wireless earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320423571.0U CN219514207U (en) | 2023-02-28 | 2023-02-28 | Non-in-ear earphone head and wireless earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219514207U true CN219514207U (en) | 2023-08-11 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320423571.0U Active CN219514207U (en) | 2023-02-28 | 2023-02-28 | Non-in-ear earphone head and wireless earphone |
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| Country | Link |
|---|---|
| CN (1) | CN219514207U (en) |
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2023
- 2023-02-28 CN CN202320423571.0U patent/CN219514207U/en active Active
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