CN106792380A - Passive radiant type Microspeaker and earphone - Google Patents

Passive radiant type Microspeaker and earphone Download PDF

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Publication number
CN106792380A
CN106792380A CN201710054183.9A CN201710054183A CN106792380A CN 106792380 A CN106792380 A CN 106792380A CN 201710054183 A CN201710054183 A CN 201710054183A CN 106792380 A CN106792380 A CN 106792380A
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CN
China
Prior art keywords
hole
passive
frame
loudspeaker
center
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201710054183.9A
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Chinese (zh)
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CN106792380B (en
Inventor
贡维勇
吴海全
师瑞文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Grandsun Electronics Co Ltd
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Shenzhen Grandsun Electronics Co Ltd
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Priority to CN201710054183.9A priority Critical patent/CN106792380B/en
Publication of CN106792380A publication Critical patent/CN106792380A/en
Application granted granted Critical
Publication of CN106792380B publication Critical patent/CN106792380B/en
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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/16Mounting or tensioning of diaphragms or cones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/16Mounting or tensioning of diaphragms or cones
    • H04R7/18Mounting or tensioning of diaphragms or cones at the periphery
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2307/00Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
    • H04R2307/207Shape aspects of the outer suspension of loudspeaker diaphragms

Abstract

The present invention relates to ear phone technology field, disclose a kind of passive radiant type Microspeaker, including frame and being coaxially disposed in the loudspeaking component in frame, the center of frame bottom offers the first through hole inside and outside it, the position relative with first through hole offers the second through hole on loudspeaking component, and the passive Caloris Basin relative with the second through hole is provided with first through hole;And it is equipped with damping fin on the outer face of frame bottom side.The invention also discloses a kind of earphone, including above-mentioned passive radiant type Microspeaker.Passive radiant type Microspeaker proposed by the present invention, by opening up in the center of frame bottom the first through hole inside and outside it, and the position relative with first through hole opens up the second through hole on loudspeaking component, and the passive Caloris Basin relative with the second through hole is set at first through hole, ring sets damping fin on the outer face of frame bottom side simultaneously, suitable acoustic impedance is produced using passive Caloris Basin and damping fin, loudspeaker low frequency acoustical quality is improved, and reduce distortion.

Description

Passive radiant type Microspeaker and earphone
Technical field
The present invention relates to ear phone technology field, more particularly to a kind of passive radiant type Microspeaker and earphone.
Background technology
With the continuous improvement of living standard, listen attentively to music as people work the leisure after releive mood, subtract A kind of mode of light pressure.Meanwhile, with the continuous pursuit that people live to high-quality, people also require that for the quality of earphone It is higher.And the starting point that manufacturer is combined from humanistic care and health idea, in order to each user can listen to Live true pure tone, and develop ultralow frequency dive deep loudspeaker and meet earphone consumer demand.For in the market Earphone, its loudspeaker unit is conventional design, and the spatial volume demand of earphone inner chamber has certain limitation, it is not easy to reach Demand of the consumer to low frequency tonequality.Therefore, how to propose a kind of Microspeaker for meeting consumer's low frequency tonequality demand and Earphone is technical problem urgently to be resolved hurrily in the industry.
The content of the invention
It is an object of the invention to provide a kind of passive radiant type Microspeaker and earphone, it is intended to solve in the prior art, The loudspeaker unit structural limitation of existing earphone and problem of the consumer to low frequency tonequality demand cannot be met.
A kind of passive radiant type Microspeaker is the embodiment of the invention provides, the passive radiant type Microspeaker includes basin Frame and it is coaxially disposed in the loudspeaking component in the frame, the center of the frame bottom offers inside and outside it first Through hole, the position relative with the first through hole offers the second through hole on the loudspeaking component, is set at the first through hole There is the passive Caloris Basin relative with second through hole;And it is equipped with damping fin on the outer face of the frame bottom side.
Further, the passive Caloris Basin includes vibrating membrane, is located on the elastic suspended side of the vibrating membrane periphery, and It is located on the locating support of the elastic suspended side periphery.
Further, the loudspeaking component includes the U-shaped cup being placed in the frame bottom, is arranged at the U-shaped cup Magnet on bottom interior surface, is arranged at the loudspeaker washer on the magnet, is sheathed on the voice coil loudspeaker voice coil of the loudspeaker washer periphery, with And it is arranged at annular vibration piece that is interior and being covered in the loudspeaker washer side at the top of the frame.
Further, the center of the center of the loudspeaker washer, the center of the magnet and the U-shaped cup is all provided with Perforate is equipped with, each perforate is coaxial and is connected to form second through hole.
Further, the frame includes the first holding part, and integrated setting is in the first holding part bottom side At the heart and with the second holding part of its insertion;The annular vibration piece is placed in first holding part, the U-shaped cup, described Magnet, the loudspeaker washer and the voice coil loudspeaker voice coil are placed in second holding part, and the first through hole is located at described second The center of holding part bottom side.
Further, the periphery of the first holding part bottom side offers multiple sound holes, and the damping fin is located on described On the outer face of the first holding part bottom side and cover the sound hole.
The embodiment of the present invention additionally provides a kind of earphone, including passive radiant type Microspeaker, and the passive radiation declines Type loudspeaker include frame and are coaxially disposed in the loudspeaking component in the frame that the center of the frame bottom offers to be run through First through hole inside and outside it, the position relative with the first through hole offers the second through hole, described on the loudspeaking component One through hole is provided with the passive Caloris Basin relative with second through hole;And it is equipped with resistance on the outer face of the frame bottom side Buddhist nun's piece.
Further, the passive Caloris Basin includes vibrating membrane, is located on the elastic suspended side of the vibrating membrane periphery, and It is located on the locating support of the elastic suspended side periphery.
Further, the loudspeaking component includes the U-shaped cup being placed in the frame bottom, is arranged at the U-shaped cup Magnet on bottom interior surface, is arranged at the loudspeaker washer on the magnet, is sheathed on the voice coil loudspeaker voice coil of the loudspeaker washer periphery, with And it is arranged at annular vibration piece that is interior and being covered in the loudspeaker washer side at the top of the frame.
Further, the center of the center of the loudspeaker washer, the center of the magnet and the U-shaped cup is all provided with Perforate is equipped with, each perforate is coaxial and is connected to form second through hole.
Based on the passive radiant type Microspeaker that above-mentioned technical proposal, the embodiment of the present invention are proposed, by frame bottom Center open up first through hole inside and outside it, and relative with first through hole position on loudspeaking component opens up second and leads to Hole, and the passive Caloris Basin relative with the second through hole is set at first through hole, while ring sets on the outer face of frame bottom side Damping fin, suitable acoustic impedance is produced using passive Caloris Basin and damping fin, improves loudspeaker low frequency acoustical quality, and reduce Distortion.In addition, the earphone that the embodiment of the present invention is proposed, by using above-mentioned passive radiant type Microspeaker, improves bass Matter effect, and distortion is reduced, effectively increase the experience effect of user.
Brief description of the drawings
Fig. 1 is the generalized section of the passive radiant type Microspeaker that the embodiment of the present invention is proposed;
Fig. 2 is the decomposing schematic representation of the passive radiant type Microspeaker that the embodiment of the present invention is proposed;
Fig. 3 is the elevational schematic view of the passive radiant type Microspeaker that the embodiment of the present invention is proposed.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another On one element or may be simultaneously present centering elements.When an element is known as " being connected to " another element, it can be with It is directly to another element or may be simultaneously present centering elements.
Only it is phase each other in addition, also, it should be noted that the orientation term such as left and right, upper and lower in the embodiment of the present invention It is reference to concept or with the normal operating condition of product, and should not be regarded as restrictive.Below in conjunction with tool Body embodiment is described in detail to realization of the invention.
As shown in Figure 1 to Figure 3, the embodiment of the present invention proposes a kind of passive radiant type Microspeaker, it may include the He of frame 1 Loudspeaking component 2, wherein, frame 1 is the shell structure of top end opening and inner hollow, and loudspeaking component 2 is arranged in the frame 1 simultaneously There is common central shaft with it.Here, the center of the bottom of frame 1 offers the first through hole 120 inside and outside it, raises one's voice The position relative with the first through hole 120 offers the second through hole 20 on component 2, also, is provided with first through hole 120 and The relative passive Caloris Basin 3 of two through holes 20, in addition, damping fin 4 is equipped with the outer face of the bottom side of frame 1, so, using passive Caloris Basin 3 blocks the second through hole 20, meanwhile, using the outer face of the closure frame 1 of damping fin 4 bottom side, whole loudspeaker are generated The acoustic impedance for matching, so as to serve lifting low frequency and improve the effect of distortion.
As described above, the passive radiant type Microspeaker that the embodiment of the present invention is proposed, by the center in the bottom of frame 1 The first through hole 120 inside and outside it is opened up, and it is relative with first through hole 120 on the loudspeaking component 2 being placed in frame 1 Position opens up the second through hole 20, and the passive Caloris Basin 3 relative with the second through hole 20 is set at first through hole 120, while Ring sets damping fin 4 on the outer face of the bottom side of frame 1, and so, passive Caloris Basin 3 and the whole loudspeaker of damping fin 4 pairs are produced suitably Acoustic impedance, improves the low frequency acoustical quality of loudspeaker, and reduces distortion, meets the happiness that consumer pursues limit low frequency tonequality It is good.
Further, in an embodiment of the present invention, above-mentioned passive Caloris Basin 3 may include vibrating membrane 31, elastic suspended side 32 With locating support 33, wherein, elastic suspended side 32 is located on the periphery of vibrating membrane 31, and locating support 33 is located on elastic suspended side 32 Periphery.Herein, the outline of vibrating membrane 31, elastic suspended side 32 and locating support 33 is both preferably circle, here, elastic suspended side 32 Cross-sectional profiles be preferably U-shaped, and the elastic suspended side 32 is preferably the elastic PU materials of high-damping.In addition, vibrating membrane 31 is excellent Elect honeycomb type foaming plate as, and in tabular so that the light weight of vibrating membrane 31, hardness is good;Locating support 33 is preferably copper Matter part.Certainly, according to actual conditions and real needs, in the other embodiment of invention, above-mentioned passive Caloris Basin 3 can also be it He constructs or material, does not make unique restriction herein.
Further, in an embodiment of the present invention, above-mentioned loudspeaking component 2 may include annular vibration piece 21, voice coil loudspeaker voice coil 22, loudspeaker Washer 23, magnet 24 and U-shaped cup 25, wherein, U-shaped cup 25 is contained in the bottom inner chamber of above-mentioned frame 1, and magnet 24 is arranged on this On the inner surface of the bottom of U-shaped cup 25, loudspeaker washer 23 is arranged on magnet 24, and voice coil loudspeaker voice coil 22 is set in the periphery of loudspeaker washer 23, In addition, annular vibration piece 21 is arranged in the top inner chamber of frame 1 and is covered in the upside of loudspeaker washer 23.Also, annular vibration Piece 21, voice coil loudspeaker voice coil 22, loudspeaker washer 23, magnet 24 and U-shaped cup 25 are coaxially disposed, and coaxial with frame 1.Here, loudspeaker washer 23 are preferably low-carbon steel material, and magnet 24 is preferably neodium magnet, the magnet 24 and loudspeaker washer 23 preferably by specific tool and Glue is adhesively fixed;.Certainly, according to actual conditions, in invention other embodiment, above-mentioned loudspeaking component 2 can also be other shapes The construction of formula, unique restriction is not made herein.
Further, in embodiments of the present invention, the center of above-mentioned loudspeaker washer 23, the center of above-mentioned magnet 24 and The center of above-mentioned U-shaped cup 25 is provided with perforate, and each perforate is coaxially distributed up and down, and mutually be interconnected form above-mentioned second Through hole 20.In this way, the upside capping of the second through hole 20 has above-mentioned annular vibration piece 21, downside capping has above-mentioned passive Caloris Basin 3, So, also just it is formed with the sound chamber of relative closure, passive Caloris Basin 3 in the bottom side up-down vibration displacement of U-shaped cup 25 and can produce conjunction Suitable acoustic impedance.In addition, the inner ring and outer rings of annular vibration piece 21 are provided with for increasing rigidity and improving the striped of acoustic characteristic Reinforcement (is not marked) in accompanying drawing.Certainly, according to actual conditions and real needs, in the other embodiment of invention, above-mentioned the Two through holes 20 can be also other forms of the composition, not make unique restriction herein.
Further, in embodiments of the present invention, above-mentioned frame 1 may include the first holding part 11 and the second holding part 12, The integrated setting of second holding part 12 in the bottom side of the first holding part 11 center and with its insertion.Here, above-mentioned annular vibration Piece 21 is accommodating to be positioned in the inner chamber of the first holding part 11, above-mentioned U-shaped cup 25, above-mentioned magnet 24, above-mentioned loudspeaker washer 23 and on State that voice coil loudspeaker voice coil 22 is accommodating to be positioned in the inner chamber of the second holding part 12, and above-mentioned first through hole 120 is located at the bottom of the second holding part 12 The center of side.In this way, the structural form effectively reduces total head room of earphone cavity, make earphone more light, thin and It is portable, adapt to the miniaturization trend of earphone class audition product.Certainly, according to actual conditions and real needs, in invention Other embodiment in, above-mentioned frame 1 can be also other structural forms, not make unique restriction herein.
Further, in embodiments of the present invention, the periphery of the above-mentioned bottom side of first holding part 11 offers multiple sound holes 110, above-mentioned damping fin 4 is preferably annular slice, and it is located on the outer face of the bottom side of the first holding part 11 and by multiple sound holes 110 cappings, so, the whole loudspeaker of the damping fin 4 pairs also generate certain acoustic impedance, and it coordinates above-mentioned passive Caloris Basin 3 Acoustic impedance is acted on, and improves the low frequency acoustical quality of loudspeaker.In addition, in embodiments of the present invention, on damping fin 4 there is one to lack Mouth (not marked in accompanying drawing), is provided with the terminal plate 5 fixed with the outer face of the bottom side of the first holding part 11, above-mentioned sound in the breach Circle 22 is electrically connected with by output end lead with the terminal plate 5.
As shown in Figure 1 to Figure 3, the embodiment of the present invention also proposed a kind of earphone, and the earphone can be headphone.Specifically Ground, the earphone may include passive radiant type Microspeaker, and the passive radiant type Microspeaker may include frame 1 and loudspeaking component 2, Wherein, frame 1 is the shell structure of top end opening and inner hollow, and loudspeaking component 2 is arranged in the frame 1 and has altogether with it Same central shaft.Here, the center of the bottom of frame 1 offers the first through hole 120 inside and outside it, on loudspeaking component 2 with The relative position of the first through hole 120 offers the second through hole 20, also, is provided with first through hole 120 and the second through hole 20 Relative passive Caloris Basin 3, in addition, damping fin 4 is equipped with the outer face of the bottom side of frame 1, so, using passive Caloris Basin 3 The second through hole 20 is blocked, meanwhile, using the outer face of the closure frame 1 of damping fin 4 bottom side, what is matched is generated to whole loudspeaker Acoustic impedance, so as to serve lifting low frequency and improve the effect of distortion.
Based on the earphone that above-mentioned technical proposal, the embodiment of the present invention are proposed, by using the above-mentioned passive miniature loudspeaker of radiant type , low frequency acoustical quality is improved, and distortion is reduced, effectively increase the experience effect of user.
In the present embodiment, above-mentioned passive Caloris Basin 3 may include vibrating membrane 31, elastic suspended side 32 and locating support 33, its In, elastic suspended side 32 is located on the periphery of vibrating membrane 31, and locating support 33 is located on the periphery on elastic suspended side 32.Herein, vibrate The outline of film 31, elastic suspended side 32 and locating support 33 is both preferably circle, and here, the cross-sectional profiles on elastic suspended side 32 are excellent Elect U-shaped as, and the elastic suspended side 32 is preferably the elastic PU materials of high-damping.In addition, vibrating membrane 31 is preferably honeycomb type foaming Plate, and in tabular so that the light weight of vibrating membrane 31, hardness is good;Locating support 33 is preferably copper part.
In the present embodiment, above-mentioned loudspeaking component 2 include annular vibration piece 21, voice coil loudspeaker voice coil 22, loudspeaker washer 23, magnet 24 and U-shaped cup 25, wherein, U-shaped cup 25 is contained in the inner chamber of the bottom of above-mentioned frame 1, and magnet 24 is arranged on the interior of the bottom of U-shaped cup 25 On surface, loudspeaker washer 23 is arranged on magnet 24, and voice coil loudspeaker voice coil 22 is set in the periphery of loudspeaker washer 23, in addition, annular vibration piece 21 are arranged in the top inner chamber of frame 1 and are covered in the upside of loudspeaker washer 23.Also, annular vibration piece 21, voice coil loudspeaker voice coil 22, loudspeaker Washer 23, magnet 24 and U-shaped cup 25 are coaxially disposed, and coaxial with frame 1.
In the present embodiment, the center of above-mentioned loudspeaker washer 23, the center of above-mentioned magnet 24 and above-mentioned U-shaped cup 25 Center is provided with perforate, and each perforate is coaxially distributed up and down, and mutually be interconnected form above-mentioned second through hole 20.In this way, The upside capping of the second through hole 20 has above-mentioned annular vibration piece 21, and downside capping has above-mentioned passive Caloris Basin 3, so, also with regard to shape Into the sound chamber for having relative closure, passive Caloris Basin 3 in the bottom side up-down vibration displacement of U-shaped cup 25 and can produce suitable acoustic impedance.
In addition, above-mentioned earphone may also include the components such as headband, prior art is can refer to, be not described further herein.
Embodiment described above, the only specific embodiment of the invention, but protection scope of the present invention is not limited thereto, Any one skilled in the art the invention discloses technical scope in, various equivalent repairing can be readily occurred in Change, replace and improve etc., these modifications, replacement and improvement should all be included within the scope of the present invention.Therefore, this hair Bright protection domain should be defined by scope of the claims.

Claims (10)

1. passive radiant type Microspeaker, including frame and it is coaxially disposed in the loudspeaking component in the frame, it is characterised in that The center of the frame bottom offers the first through hole inside and outside it, with the first through hole phase on the loudspeaking component To position offer the second through hole, the passive Caloris Basin relative with second through hole is provided with the first through hole;And Damping fin is equipped with the outer face of the frame bottom side.
2. radiant type Microspeaker as claimed in claim 1 passive, it is characterised in that the passive Caloris Basin includes vibration Film, is located on the elastic suspended side of the vibrating membrane periphery, and the locating support for being located on the elastic suspended side periphery.
3. radiant type Microspeaker as claimed in claim 2 passive, it is characterised in that the loudspeaking component includes being placed in institute The U-shaped cup in frame bottom is stated, the magnet on the U-shaped cup bottom interior surface is arranged at, the loudspeaker on the magnet are arranged at Washer, is sheathed on the voice coil loudspeaker voice coil of the loudspeaker washer periphery, and be arranged in the frame top and be covered in the loudspeaker China Take charge of the annular vibration piece of side.
4. radiant type Microspeaker as claimed in claim 3 passive, it is characterised in that the center of the loudspeaker washer, institute The center of the center and the U-shaped cup of stating magnet is provided with perforate, and each perforate is coaxial and is connected to form described Second through hole.
5. the passive radiant type Microspeaker as described in claim 3 or 4, it is characterised in that the frame includes that first houses Portion, and integrated setting at the first holding part center of underside and with the second holding part of its insertion;The annular is shaken Moving plate is placed in first holding part, and the U-shaped cup, the magnet, the loudspeaker washer and the voice coil loudspeaker voice coil are placed in described In second holding part, and the first through hole is located at the center of the second holding part bottom side.
6. radiant type Microspeaker as claimed in claim 5 passive, it is characterised in that the periphery of the first holding part bottom side Multiple sound holes are offered, the damping fin is located on the outer face of the first holding part bottom side and covers the sound hole.
7. earphone, including passive radiant type Microspeaker, the passive radiant type Microspeaker include frame and be coaxially disposed in Loudspeaking component in the frame, it is characterised in that the center of the frame bottom offer inside and outside it first lead to Hole, the position relative with the first through hole offers the second through hole on the loudspeaking component, is provided with the first through hole The passive Caloris Basin relative with second through hole;And it is equipped with damping fin on the outer face of the frame bottom side.
8. earphone as claimed in claim 7, it is characterised in that the passive Caloris Basin includes vibrating membrane, is located on described shaking The elastic suspended side of dynamic film periphery, and it is located on the locating support of the elastic suspended side periphery.
9. earphone as claimed in claim 8, it is characterised in that the loudspeaking component includes being placed in the frame bottom U-shaped cup, is arranged at the magnet on the U-shaped cup bottom interior surface, is arranged at the loudspeaker washer on the magnet, is sheathed on described The voice coil loudspeaker voice coil of loudspeaker washer periphery, and it is arranged at annular vibration that is interior and being covered in the loudspeaker washer side at the top of the frame Piece.
10. earphone as claimed in claim 3, it is characterised in that the center of the loudspeaker washer, the center of the magnet And the center of the U-shaped cup is provided with perforate, each perforate is coaxial and is connected to form second through hole.
CN201710054183.9A 2017-01-24 2017-01-24 Passive radiation type micro loudspeaker and earphone Active CN106792380B (en)

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Application Number Priority Date Filing Date Title
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CN106792380B CN106792380B (en) 2020-06-05

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CN110784809A (en) * 2019-09-30 2020-02-11 歌尔科技有限公司 Sound generating device, acoustic module provided with same and electronic equipment
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