CN208386918U - Loudspeaker and portable terminal - Google Patents
Loudspeaker and portable terminal Download PDFInfo
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- CN208386918U CN208386918U CN201820988090.3U CN201820988090U CN208386918U CN 208386918 U CN208386918 U CN 208386918U CN 201820988090 U CN201820988090 U CN 201820988090U CN 208386918 U CN208386918 U CN 208386918U
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- vibrating diaphragm
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- loudspeaker
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Abstract
The utility model discloses a kind of loudspeaker and portable terminal, wherein loudspeaker includes the first vibrational system, the second vibrational system, magnetic circuit system and connector, and the first vibrational system includes the first vibrating diaphragm and the voice coil on the inside of the first vibrating diaphragm；Second vibrational system includes the second vibrating diaphragm being oppositely arranged with the first vibrating diaphragm；Magnetic circuit system is set between the first vibrating diaphragm and the second vibrating diaphragm, forms first operatic tunes between magnetic circuit system and the first vibrating diaphragm, voice coil is contained in the magnetic gap of magnetic circuit system；Second operatic tunes is formed between magnetic circuit system and the second vibrating diaphragm, and through-hole is equipped between first operatic tunes and second operatic tunes；Connector is set in through-hole, and the upper end of connector is fixedly connected with the first vibrating diaphragm, and lower end is fixedly connected with the second vibrating diaphragm.It is small in size that the utility model loudspeaker realizes that the structure of Bidirectional sounding occupies, convenient for being widely used in portable terminal.
Description
Technical field
The utility model relates to electroacoustic techniques field, in particular to a kind of loudspeaker and portable terminal.
Background technique
Currently, important component of the loudspeaker as the terminal with audio playing function, is widely used.Some ends
End, especially portable terminal, the installation space as mobile phone, tablet computer, earphone just can provide for loudspeaker is very limited, because
This, the existing loudspeaker that can be applied to narrow installation space generallys use the structure of single vibrating diaphragm front sounding.For reality
Existing Bidirectional sounding, the prior art provide a kind of loudspeaker of composite structure and magnetic circuit system using two sets of voice coils and vibrating diaphragm,
Wherein magnetic circuit system has double magnetic gap, is respectively used to accommodate two voice coils, but the usual volume of this loudspeaker is larger, it is difficult to
To extensive use.Also, the composite structure of structure in the prior art, a set of voice coil and vibrating diaphragm and another set of voice coil and vibrating diaphragm
Composite structure be work independently, it is a set of be used as high frequency acoustical generator, it is another set of be used as low-frequency audible signal device, can not achieve simultaneously bi-directionally
Sounding.
Utility model content
The main purpose of the utility model is to propose a kind of loudspeaker, it is intended to solve the existing loudspeaking for realizing Bidirectional sounding
Device is difficult to the technical issues of being widely applied because volume is larger.
To achieve the above object, the utility model proposes loudspeaker, including the first vibrational system, the second vibrational system,
Magnetic circuit system and connector, wherein
First vibrational system includes the first vibrating diaphragm and the voice coil on the inside of first vibrating diaphragm；Second vibration
System includes the second vibrating diaphragm being oppositely arranged with first vibrating diaphragm；
The magnetic circuit system is set between first vibrating diaphragm and the second vibrating diaphragm, the magnetic circuit system and first vibration
First operatic tunes is formed between film, the voice coil is contained in the magnetic gap of the magnetic circuit system；
Second operatic tunes is formed between the magnetic circuit system and second vibrating diaphragm, between first operatic tunes and second operatic tunes
Equipped with through-hole；
The connector is set in the through-hole, and the upper end of the connector is fixedly connected with first vibrating diaphragm, lower end
It is fixedly connected with second vibrating diaphragm.
Preferably, the through-hole is set on the magnetic circuit system.
Preferably, the connector is in hollow tube-shape, and upper lower open mouth is arranged, the upper surface of the connector and described the
One vibrating diaphragm is fixedly connected, and lower end surface is fixedly connected with second vibrating diaphragm.
Preferably, the side wall of the connector is arranged in Openworks shape, offers venthole in the middle part of the side wall of the connector
Or the upper and lower end face of the connector offers ventilation notch.
Preferably, the side wall of the connector is equipped with the recess of the circumferentially extending along connector or the reinforcement part of protrusion.
Preferably, the side wall top edge fold inward of the connector forms upper overturning, the top surface of the upper overturning and institute
The upper surface for stating connector is concordant；The side wall lower edge fold inward of the connector forms lower flange, the bottom of the lower flange
Face is concordant with the lower end surface of the connector.
Preferably, the connector includes the upper interconnecting piece and lower interconnecting piece being oppositely arranged up and down, and the company of being connected to
Support portion between socket part and lower interconnecting piece, the upper interconnecting piece and lower interconnecting piece are each perpendicular to up and down direction and extend and be in strip
Shape, the upper interconnecting piece are fixedly connected with first vibrating diaphragm, and the lower interconnecting piece is fixedly connected with second vibrating diaphragm.
Preferably,
The support portion vertically extends, and the support portion is provided with multiple and along the upper interconnecting piece or lower connection
The length direction arranged for interval in portion；Alternatively,
The support portion includes extending downwardly first segment from one end of the upper interconnecting piece, from the lower end edge of the first segment
The length direction of the upper interconnecting piece connects up the second segment that the other end in portion extends, and from second segment far from described the
One section one end extends downwardly and connects the third section of lower interconnecting piece；Alternatively,
There are two simultaneously opposite up and down direction inclination is arranged in a crossed manner for the setting of the support portion.
Preferably, the connector is made of porous material.
Preferably, the magnetic circuit system includes conductive magnetic yoke and center magnetic path portion and side magnetic circuit in the conductive magnetic yoke
Part；
The magnetic gap for accommodating the voice coil is formed between the center magnetic path portion and side magnetic circuit part；
At least one of the center magnetic path portion and the side magnetic circuit part are equipped with permanent magnet；
The through-hole includes the central through hole of corresponding conductive magnetic yoke and center magnetic path portion setting, and the connector is set to described
Central through hole.
Preferably, the center magnetic path portion includes conductive magnetic yoke, the center magnet steel set on the conductive magnetic yoke bottom, Yi Jishe
Magnetic conductive board at the top of the center magnet steel；
The first inner hole is offered in the conductive magnetic yoke, the center magnet steel offers the second inner hole, opens in the conductive magnetic yoke
Equipped with third inner hole, first inner hole, the second inner hole and the third inner hole are connected to form the central through hole.
Preferably, the magnetic circuit system includes conductive magnetic yoke and center magnetic path portion and side magnetic circuit in the conductive magnetic yoke
Part；
The magnetic gap for accommodating the voice coil is formed between the center magnetic path portion and side magnetic circuit part；
At least one of the center magnetic path portion and the side magnetic circuit part are equipped with permanent magnet；
The through-hole includes the side through-hole being arranged on the outside of the center magnetic path portion；
The side through-hole is arranged in the conductive magnetic yoke；
Alternatively, the loudspeaker includes the shell of the fixed magnetic circuit system, the side through-hole setting is on the housing
Or between the setting shell and the edge of the conductive magnetic yoke.
Preferably, the connector is set to the side through-hole.
Preferably, the side through-hole includes spaced multiple, and the connector includes connecting bottom board and is convexly equipped in institute
Multiple Connection protrusions on connecting bottom board are stated, one of them in the connecting bottom board and first vibrating diaphragm and the second vibrating diaphragm is solid
Fixed connection, the end of multiple Connection protrusions correspond respectively across multiple side through-holes and with first vibrating diaphragm and
Another in second vibrating diaphragm is fixedly connected.
Preferably, the both ends of the conductive magnetic yoke are tabular, and the side through-hole includes at least two set on the conductive magnetic yoke
Two of end, the connecting bottom board is connect with second vibrating diaphragm, and the Connection protrusion is connect with first vibrating diaphragm.
Preferably, the plate-like setting of the Connection protrusion；The end of the Connection protrusion be formed with inwardly or outward or
The connection flange of the outside bending of part inward portion；And/or
The plate-like setting of Connection protrusion, the inside bending in side lower end of the Connection protrusion extended to form with it is described
The side reinforcement part of connecting bottom board connection；And/or
The inside lower end of the Connection protrusion is equipped with the ribs connecting with the connecting bottom board；And/or
The connecting bottom board is arranged in Openworks shape；And/or
The plate-like setting of Connection protrusion, and the Connection protrusion is arranged in Openworks shape；And/or
The connecting bottom board is set as rectangular, round, track type or ellipse.
Preferably, first vibrating diaphragm includes the first central part of planar sheet, around the first of the setting of the first central part
Ring portion and the first fixed part being arranged around the first ring portion；The Connection protrusion is fixed on first central part, institute
Stating the first ring portion is the structure being made of a protrusion or first ring portion for by least one protrusion and at least one
The wavy shaped configuration that a recess is constituted；And/or
Second vibrating diaphragm include planar sheet the second central part, around the second central part setting the second ring portion with
And the second fixed part around the setting of the second ring portion；The connecting bottom board is fixed on the upside of second central part, and described the
Eighty percent discount ring portion is the structure being made of a protrusion or second ring portion is recessed at least one by least one protrusion
Fall into the wavy shaped configuration constituted.
Preferably, second vibrating diaphragm further includes the composite layer for being incorporated into the central part, the lower end of the connector with
The composite layer or the central part are fixedly connected.
The utility model also proposes a kind of portable terminal, including shell, and the enclosure interior has accommodating cavity, the portable end
End further includes loudspeaker as described above, and the loudspeaker is mounted on the accommodating cavity, and the shell offers corresponding described the
First acoustic aperture of one vibrating diaphragm, and the second acoustic aperture of corresponding second vibrating diaphragm.
Preferably, the shell has the front being oppositely arranged and reverse side, and first acoustic aperture is being set to the shell just
Face, second acoustic aperture are set to the reverse side of the shell；
First vibrating diaphragm is connected to away from the space of second vibrating diaphragm with first acoustic aperture, and first acoustic aperture is used for
Conduct the sound that first vibrating diaphragm issues；
Second vibrating diaphragm is connected to away from the space of first vibrating diaphragm with second acoustic aperture, and second acoustic aperture is used for
Conduct the sound that second vibrating diaphragm issues.
The utility model loudspeaker by using two sets of vibrational systems of setting, but only with a set of voice coil and magnetic circuit system with
It is small in size to realize that the structure of Bidirectional sounding occupies, can adapt to more narrow installation space, it is portable convenient for being widely used in
Terminal.When the speaker operation of the utility model, the vibrating diaphragm of the first vibrational system is first directly driven by magnetic circuit system, due to first
Through-hole is equipped between the operatic tunes and second operatic tunes be connected to, connector be set to that through-hole is interior and both ends respectively with the first vibrating diaphragm and the second vibrating diaphragm
It is fixedly connected, therefore, under the promotion of connector, the vibrating diaphragm synchronous vibration sounding of the second vibrational system, i.e. the first vibrating diaphragm and
Two vibrating diaphragms linkage sounding.Also, while the first vibrating diaphragm and the second vibrating diaphragm linkage sounding, due to first operatic tunes and second operatic tunes
Interior air is able to mutually circulate by through-hole, and the draught head of the two is smaller, causes to the first vibrating diaphragm and the second vibration vibration of membrane
Resistance it is also relatively small, so as to realize more preferably acoustical behavior.When applied to portable terminal, the loudspeaking of the utility model
Device can be respectively to the positive and negative both direction sounding of portable terminal by the first vibrational system and the second vibrational system.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the positive structure schematic of one embodiment of the utility model loudspeaker；
Fig. 2 is the structure schematic diagram of loudspeaker in Fig. 1；
Fig. 3 is a schematic diagram of the section structure of loudspeaker in Fig. 1, wherein illustrate connector and the second vibrating diaphragm first is real
Apply example；
Fig. 4 is the partial enlarged view in Fig. 3 at A.
Fig. 5 is the right end enlarged diagram of structure in Fig. 3；
Fig. 6 is the right end enlarged diagram of structure in Fig. 3, and wherein the first embodiment of vibrating diaphragm is replaced by the second vibrating diaphragm
Second embodiment；
Fig. 7 is a schematic diagram of the section structure of loudspeaker in Fig. 1, wherein the first embodiment of connector is illustrated, second
The first embodiment of vibrating diaphragm is replaced by the 3rd embodiment of the second vibrating diaphragm；
Fig. 8 is the partial enlarged view in Fig. 7 at B；
Fig. 9 is a schematic diagram of the section structure of loudspeaker in Fig. 1, wherein the first embodiment of connector is replaced by company
The second embodiment of fitting；
Figure 10 is the partial enlarged view in Fig. 9 at C；
Figure 11 is a schematic diagram of the section structure of loudspeaker in Fig. 1, wherein the first embodiment of connector is replaced by company
The 3rd embodiment of fitting；
Figure 12 is the partial enlarged view in Figure 11 at D；
Figure 13 is the partial structure diagram of loudspeaker in Fig. 1；
Figure 14 is the configuration schematic diagram of loudspeaker in Fig. 1, wherein illustrating the first of magnetic circuit system and connector
Embodiment；
Figure 15 is the structural schematic diagram of the fourth embodiment of its connector of the utility model loudspeaker；
Figure 16 is the structural schematic diagram of the 5th embodiment of its connector of the utility model loudspeaker；
Figure 17 is the structural schematic diagram of the sixth embodiment of its connector of the utility model loudspeaker；
Figure 18 is the structural schematic diagram of the 7th embodiment of its connector of the utility model loudspeaker；
Figure 19 is the structural schematic diagram of the 8th embodiment of its connector of the utility model loudspeaker；
Figure 20 is the structural schematic diagram of the 9th embodiment of its connector of the utility model loudspeaker；
Figure 21 is the structural schematic diagram of the second embodiment of its magnetic circuit system of the utility model loudspeaker；
Figure 22 is the structural schematic diagram of the 3rd embodiment of its magnetic circuit system of the utility model loudspeaker；
Figure 23 is the structural schematic diagram of the fourth embodiment of its magnetic circuit system of the utility model loudspeaker；
Figure 24 is a schematic diagram of the section structure of loudspeaker in Fig. 1, wherein illustrating the tenth embodiment of connector；
Figure 25 is the structural schematic diagram of the tenth embodiment of connector in loudspeaker shown in Figure 24；
Figure 26 is the structural schematic diagram of the 11st embodiment of connector in loudspeaker shown in Figure 24；
Figure 27 is the structural schematic diagram of the 12nd embodiment of connector in loudspeaker shown in Figure 24；
Figure 28 is the positive structure schematic of one embodiment of the utility model portable terminal；
Figure 29 is the structure schematic diagram of portable terminal in Figure 28；
Figure 30 is the partial profile structure in Figure 28 at E.
Drawing reference numeral explanation:
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture)
Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the
Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one
A this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not within the protection scope of the requires of the utility model.
The utility model proposes a kind of loudspeakers.
In the utility model embodiment, as shown in Fig. 1 to Fig. 3 and Figure 13 and Figure 14, which includes the
One vibrational system 1, the second vibrational system 2, magnetic circuit system (3a, 3b, 3c, 3d) and connector (40-48), wherein
First vibrational system 1 includes the first vibrating diaphragm 11 and the voice coil 12 set on 11 inside of the first vibrating diaphragm；Second vibrational system 2
Including the second vibrating diaphragm (21a, 21b, 21c) being oppositely arranged with the first vibrating diaphragm 11；
Magnetic circuit system (3a, 3b, 3c, 3d) is set between the first vibrating diaphragm 11 and the second vibrating diaphragm (21a, 21b, 21c), magnetic circuit
Form first operatic tunes 5 between system (3a, 3b, 3c, 3d) and the first vibrating diaphragm 11, voice coil 12 be contained in magnetic circuit system (3a, 3b, 3c,
In magnetic gap 31 3d)；
Second operatic tunes 6, the first sound are formed between magnetic circuit system (3a, 3b, 3c, 3d) and the second vibrating diaphragm (21a, 21b, 21c)
Through-hole 32 is equipped between chamber 5 and second operatic tunes 6；
Connector (40-48) is set in through-hole 32, and the upper end of connector (40-48) is fixedly connected with the first vibrating diaphragm 11, under
End is fixedly connected with the second vibrating diaphragm (21a, 21b, 21c).
In the present embodiment, to simplify the description, position when the first vibrating diaphragm 11 of loudspeaker 210 being placed upward is ginseng
Examine and define up and down, i.e. the first vibrating diaphragm 11 backwards to the side of magnetic circuit system (3a, 3b, 3c, 3d) be it is upper, the first vibrating diaphragm 11 is towards magnetic circuit
Under the side of system (3a, 3b, 3c, 3d) is.
First vibrational system 1 can refer to existing form, specifically, voice coil 12 is fixedly connected and stretches with the first vibrating diaphragm 11
Enter magnetic gap 31, the electric current of the connection variation of voice coil 12 is then vibrated by different size of Ampere force, and the vibration of voice coil 12 drives the
The vibration of one vibrating diaphragm 11, energy conversion mode is electric energy-mechanical energy-sound energy.In order to adjust the frequency characteristic of vibration, the first vibration
Dynamic system 1 may also include clump weight.
The form of magnetic circuit system can also refer to existing structure, such as magnetic gap 31 can both be formed in center magnet steel with
Between the magnet steel of side, it can also be formed between center magnet steel and the side wall of conductive magnetic yoke 34.The plan view shape of center magnet steel both can be
Circle or round rectangle etc..
Through-hole 32 opens up form, can be on magnetic circuit system (3a, 3b, 3c, 3d), can also be on shell 7, as long as energy
Facilitate connector (40-48) can be movable in through-hole 32, realizes the connection of the first vibrating diaphragm 11 and the second vibrating diaphragm (21a, 21b, 21c)
It is dynamic, and the air-flow to be connected to first operatic tunes 5 and second operatic tunes 6 is formed between connector (40-48) and the inner wall of through-hole 32
Channel 33.
Connection between connector (40-48) and the first vibrating diaphragm 11 or the second vibrating diaphragm (21a, 21b, 21c), can be glue
Bonding, or it is integrally formed connection.First vibrating diaphragm 11 and the second vibrating diaphragm (21a, 21b, 21c) are provided with composite part i.e. dome
Embodiment in, connector (40-48) can be connect with composite part.The shape of composite part can be tabular, the dress of asperities
It sets or top dome shape etc..In order under the premise of proof strength reduce component weight, the material of connector (40-48) include but
It is not limited to Paper (papery), Kapton (polyimides (PI) thin-film material), foamed material, carbon fibre material, aluminium foil/magnalium
The metal materials such as alloy/magnesium lithium alloy, PEN (polyethylene naphthalate)/PI (polyimides)/LCP (Liquid
Crystal Polymer liquid crystal polymer)/PC (polycarbonate)/PPA (Polyphthalamide polyphthalamide) etc.
Plastic material or porous material etc..The processing method of connector (40-48) is including but not limited to coiling, blow molding, injection molding, punching
Pressure, machining, 3D printing.
In order to facilitate the installation of the first vibrational system 1, the second vibrational system 2 and positioned between the two magnetic circuit system (3a,
3b, 3c, 3d), loudspeaker 210 further includes shell 7, front cover 8 and rear cover 9, and shell 7 is for accommodating the vibration of the first vibrational system 1, second
Dynamic system 2 and magnetic circuit system (3a, 3b, 3c, 3d).Front cover 8 and rear cover 9 and shell 7 cooperatively form protect-ing frame structure, specifically, the
The edge part for fixing of one vibrating diaphragm 11 is clamped by front cover 8 and shell 7, and the second vibrating diaphragm (21a, 21b, 21c) is used to fix
Edge part clamped by rear cover 9 and shell 7.Corresponding first vibrational system 1 of front cover 8 is arranged and is equipped with for speaking before sound outgoing
Hole 71, corresponding second vibrational system 2 of rear cover 9 are simultaneously equipped with the rear acoustic aperture 72 out being emitted for sound.
The utility model loudspeaker 210 is by using two sets of vibrational systems of setting, but only with a set of voice coil 12 and magnetic circuit
System (3a, 3b, 3c, 3d) can adapt to more narrow installation space to realize that it is small in size that the structure of Bidirectional sounding occupies,
Convenient for being widely used in portable terminal 100.When the loudspeaker 210 of the utility model works, first by magnetic circuit system (3a, 3b, 3c,
The vibrating diaphragm for 3d) directly driving the first vibrational system 1 is connected to, even due to being equipped with through-hole 32 between first operatic tunes 5 and second operatic tunes 6
Fitting (40-48) is set in through-hole 32 and both ends are fixedly connected with the first vibrating diaphragm 11 and the second vibrating diaphragm (21a, 21b, 21c) respectively,
Therefore, under the pushing or pull on of connector (40-48), the vibrating diaphragm synchronous vibration sounding of the second vibrational system 2, i.e. the first vibrating diaphragm
11 and second vibrating diaphragm (21a, 21b, 21c) link sounding.Also, join in the first vibrating diaphragm 11 and the second vibrating diaphragm (21a, 21b, 21c)
While dynamic sounding, since first operatic tunes 5 and the air in second operatic tunes 6 are able to mutually circulate by through-hole, the air pressure of the two
Difference is smaller, and resistance caused by the vibration to the first vibrating diaphragm 11 and the second vibrating diaphragm (21a, 21b, 21c) is also relatively small, so as to
Realize more preferably acoustical behavior.When applied to portable terminal 100, the loudspeaker 210 of the utility model passes through the first vibrational system 1
And second vibrational system 2 can be respectively to the positive and negative both direction sounding of portable terminal 100.
Further, through-hole 32 is set to magnetic circuit system (3a, 3b, 3c, 3d).
In the present embodiment, through-hole 32 can only be provided on the bottom wall of conductive magnetic yoke 34 corresponding connection magnetic gap 31 and second operatic tunes
6, or magnetic conductive board, center magnet steel and conductive magnetic yoke 34 are directly penetrated through, or directly penetrate through magnetic conductive board, side magnet steel and conductive magnetic yoke
34.As long as can facilitate connector (40-48) through-hole 32 can activity, realize the first vibrating diaphragm 11 and the second vibrating diaphragm (21a, 21b,
Linkage 21c), and formed between connector (40-48) and the inner wall of through-hole 32 to be connected to first operatic tunes 5 and second operatic tunes
6 airflow channel 33.
Further, referring to figure 3., Fig. 4, Fig. 7 to Figure 12 and Figure 14 to Figure 17, the first to the 6th of connector
In embodiment, connector (40-45) is in hollow tube-shape, and upper lower open mouth is arranged, the upper surface of connector (40-45) and the first vibration
Film 11 is fixedly connected, and lower end surface and the second vibrating diaphragm (21a, 21b, 21c) are fixedly connected.In the present embodiment, by by connector
(40-45) is arranged to tubular structure not only and can guarantee structural strength when its transmission, but also can be by reducing Mass lost energy loss.
The transmission of connector (40-45), which refers to, pushes or pull on the second vibrating diaphragm (21a, 21b, 21c) with the first vibrating diaphragm 11 for reference.
Further, Fig. 9 and Figure 10 is please referred to, in the second embodiment of connector, in order to make full use of connector
Inner space promotes the air communication between first operatic tunes 5 and second operatic tunes 6, and the side wall of connector 41 is arranged in Openworks shape,
Air circulation may be implemented between such 41 inner space of connector and airflow channel 33, increase effective circulating face indirectly
Product.It is understood that in other embodiments or in combination, shape between connector (40-48) and the inner wall of through-hole 32
At airflow channel 33, it so can further promote the air communication between first operatic tunes 5 and second operatic tunes 6.
Further, Figure 12, Figure 13 and Figure 15 are please referred to, in the 3rd embodiment of connector, the side wall of connector 42
Middle part offers venthole 421；Or in the fourth embodiment of connector, the upper and lower end face of connector 43 offers ventilation and lacks
Mouth 431 also may be implemented to promote first operatic tunes 5 and second operatic tunes 6 by simply opening up venthole 421 or ventilation notch 431
Between air communication.
Further, Figure 16 is please referred to, in the fourth embodiment of connector, the side wall of connector 44 is equipped with along connector
The recess of 44 circumferentially extending or the reinforcement part of protrusion, increase the area of 44 upper surface of connector in this way, and
The area of lower end surface, facilitate connector 44 be fixedly connected with the first vibrating diaphragm 11 and connector 44 and the second vibrating diaphragm (21a, 21b,
It 21c) is fixedly connected, for example, glue is fitted in the upper surface and lower end surface of connector 44, attachment surface when being bonded using glue
Product is bigger, and bonding force is bigger, and integrated injection molding or welding are same.
Further, connector 45 side wall top edge fold inward formed upper overturning 451, the top surface of upper overturning 451 with
The upper surface of connector 45 is concordant；The side wall lower edge fold inward of connector 45 forms lower flange, lower flange (not shown)
Bottom surface is concordant with the lower end surface of connector 45.Similarly, can equally be increased between the first vibrating diaphragm 11 by the way that upper overturning 451 is arranged
Connection area, promoted fixing intensity；And by be arranged lower flange can be promoted connector 45 and the second vibrating diaphragm (21a, 21b,
Fixing intensity between 21c).
Further, Figure 18 to Figure 20 is please referred to, in the 7th to the 9th embodiment of connector, connector (46-48)
Including the upper interconnecting piece 461 and lower interconnecting piece 462 being oppositely arranged up and down, and it is connected to interconnecting piece 461 and lower interconnecting piece 462
Between support portion (463a, 463b, 463c), the upper interconnecting piece 461 and lower interconnecting piece 462 are each perpendicular to up and down direction extension
And it is in long strip, upper interconnecting piece 461 is fixedly connected with the first vibrating diaphragm 11, lower interconnecting piece 462 and the second vibrating diaphragm (21a, 21b, 21c)
It is fixedly connected.
In the present embodiment, by the way that connector (46-48) is arranged to the shelf-like being made of bar, such space occupancy rate
Smaller, quality is also small, and can be used for air circulation by the hole that internal stent surrounds.
Further, Figure 18 is please referred to, in the 7th embodiment of connector, support portion 463a is vertically extended,
Support portion 463a is provided with length direction arranged for interval multiple and along upper interconnecting piece 461 or lower interconnecting piece 462.In the present embodiment
In, upper interconnecting piece 461 is laterally extended with lower interconnecting piece 462, and support portion 463a is vertically extending, multiple support portion 463a and upper connection
Portion 461 and lower interconnecting piece 462 are enclosed multiple substantially rectangular holes, both ensure that transmission intensity, and quality is also small, furthermore this reality
46 planform of connector for applying example is more regular easily processed into type.
Further, Figure 19 is please referred to, in the 8th embodiment of connector, support portion 463b includes from upper interconnecting piece
461 one end extends downwardly first segment, connects up portion 461 from the length direction of interconnecting piece 461 on the lower end edge of first segment
The second segment that the other end extends, and one end of the separate first segment from second segment extend downwardly and connect lower interconnecting piece 462
Third section.In the present embodiment, the linear bending of support portion 463b extends, and occupied space is minimum, and connector 47 does not enclose shape
It is smaller for the obstruction of air circulation at blind bore.
Further, referring to figure 2. 0, in the 9th embodiment of connector, the setting of support portion 463c there are two and phase
Structure arranged in a crossed manner, such connector 48 can be more firm with the formation of lesser cross section is tilted to up and down direction, in turn
Further decrease the occupancy to space.
Further, in order to reduce the weight of connector (40-48), connector (40-48) is made of porous material, can
With understanding, the quality of porous material combination tubular structure or stent-like structure, connector (40-48) can further subtract
It is small.
Further, referring to figure 3., Fig. 4, Fig. 7 to Figure 14, the magnetic circuit system includes conductive magnetic yoke 34 and leads set on described
Center magnetic path portion and side magnetic circuit part (not indicating) in magnetic yoke 34；
The magnetic gap 31 for accommodating the voice coil 12 is formed between the center magnetic path portion and side magnetic circuit part；
At least one of the center magnetic path portion and the side magnetic circuit part are equipped with permanent magnet；
Through-hole 32 includes the central through hole 321 of corresponding conductive magnetic yoke 34 and center magnetic path portion setting, and connector (40-48) is set
In central through hole 321, airflow channel 33 is formed between connector (40-48) and the inner wall of central through hole 321.
In the present embodiment, usually most due to the centre amplitude of the first vibrating diaphragm 11 corresponding with center magnetic path portion
Greatly, by the way that central part 211 of corresponding first vibrating diaphragm 11 of central through hole 321 are arranged, the connection being placed in the central through hole 321
It is more laborsaving when part (40-48) promotion the second vibrating diaphragm (21a, 21b, 21c).
Further, Figure 14 and Figure 21 are please referred to Figure 23, in first to fourth embodiment of magnetic circuit system, magnetic
The center magnetic path portion of road system (3a, 3b, 3c, 3d) include set on 34 bottom of conductive magnetic yoke center magnet steel (35a, 35b, 35c,
35d), and be set to center magnet steel (35a, 35b, 35c, 35d) at the top of magnetic conductive board 36；
The first inner hole 341 is offered in conductive magnetic yoke 34, center magnet steel (35a, 35b, 35c, 35d) offers the second inner hole
(351a, 351b, 351c, 351d), offers third inner hole 361 in conductive magnetic yoke 34, the first inner hole 341, the second inner hole (351a,
351b, 351c, 351d) and third inner hole 361 connection form central through hole 321.
In the present embodiment, central through hole 321 directly penetrates through conductive magnetic yoke 34, center magnet steel (35a, 35b, 35c, 35d) and
Magnetic conductive board 36, form is simple, may advantageously facilitate the gas circulation between first operatic tunes 5 and second operatic tunes 6.Center magnetic is described below
The preferred form of steel:
Preferably, 1 and Figure 22 referring to figure 2., in second and third embodiment of magnetic circuit system, center magnet steel (35b,
It 35c) include the two sub- magnet steel (352b, 352c) mutually spliced, the piece and the second inner hole of two sub- magnet steel (352b, 352c)
(351a, 351b, 351c, 351d) connects.In this way, the second inner hole (351b, 351c) splices shape by two sub- magnet steel (352b, 352c)
At the inner wall of the second inner hole (351b, 351c) is actually converted into the outer peripheral surface of each sub- magnet steel (352b, 352c), i.e., sub- magnetic
Open trough wall surface on steel (352b, 352c) outer peripheral surface so can form the second inner hole for center magnet steel (35b, 35c)
(351b, 351c) is in terms of processing with convenience.Further, for the ease of assembling and promoted two sub- magnet steel (352b, 352c)
Raw material interchangeability, two sub- magnet steel (352b, 352c) about one cross the center the second inner hole (351b, 351c) perpendicular
Central symmetry of the symmetrical or two sub- magnet steel (352b, 352c) about the second inner hole (351b, 351c).Specifically, in assembly
When heart magnet steel (35b, 35c), first blank of the two sub- magnet steel (352b, 352c) before unmagnetized first can be spliced, then magnetized again,
The blank of two sub- magnet steel (352b, 352c) can be interchanged, and thus only need to provide a kind of blank of geomery.
Preferably, referring to figure 2. 3, in the fourth embodiment of magnetic circuit system, center magnet steel 35d is equipped with connection second
The joint-cutting 352d of inner hole 351d inner wall and center magnet steel 35d outer peripheral surface.It is used with can be convenient by the way that joint-cutting 352d is arranged
The technique of wire cutting, which processes the second inner hole 351d, specifically can first process joint-cutting 352d, then process the second inner hole
351d has more practicability compared to the second inner hole 351d is drilled.
Further, the first vibrating diaphragm 11, the second vibrating diaphragm (21a, 21b, 21c) and center magnet steel (35a, 35b, 35c, 35d)
It is strip, the long axis of the first vibrating diaphragm 11, the second vibrating diaphragm (21a, 21b, 21c) and center magnet steel (35a, 35b, 35c, 35d)
In same vertical plane, central through hole 321 extends along the length direction of center magnet steel (35a, 35b, 35c, 35d).
In the present embodiment, it is to be understood that vertical plane is the plane for being parallel to up and down direction, due to the first vibrating diaphragm
11, the second vibrating diaphragm (21a, 21b, 21c) and center magnet steel (35a, 35b, 35c, 35d) are strip, correspondingly loudspeaker 210
Shape be also strip, compared to circle, this structure be applied to portable terminal 100 when space utilization rate it is higher.Meanwhile
Under the premise of same area, the first vibrating diaphragm 11 and the second vibrating diaphragm (21a, 21b, 21c) of strip are easier to obtain bigger vibration
Width, can be bigger with drive connection part (40-48) mobile formation for the first vibrating diaphragm 11, and the second vibrating diaphragm (21a, 21b,
21c) correspondingly it is easier to connector (40-48) promotion.
Preferably, in order to mitigate the weight of connector (40-48), and increase with the first vibrating diaphragm 11 and the second vibrating diaphragm (21a,
21b, 21c) bonding strength, connector (40-48) be in hollow tube-shape, and upper lower open mouth be arranged, the upper end of connector (40-48)
Face is fixedly connected with the first vibrating diaphragm 11, and lower end surface and the second vibrating diaphragm (21a, 21b, 21c) are fixedly connected；Connector (40-48)
Cross section is strip, and the long axis of the cross section connector (40-48) and the long axis of central through hole 321 are located at same perpendicular
Interior, such connector (40-48) and the connection area of the first vibrating diaphragm 11 and the second vibrating diaphragm (21a, 21b, 21c) also will increase.
Preferably, in order to mitigate the weight of connector (40-48), and increase with the first vibrating diaphragm 11 and the second vibrating diaphragm (21a,
21b, 21c) bonding strength, connector (40-48) includes the upper interconnecting piece 461 and lower interconnecting piece 462 being oppositely arranged up and down, with
And it is connected to the support portion between interconnecting piece 461 and lower interconnecting piece 462, upper interconnecting piece 461 is fixedly connected with the first vibrating diaphragm 11,
Lower interconnecting piece 462 and the second vibrating diaphragm (21a, 21b, 21c) are fixedly connected, upper interconnecting piece 461, lower interconnecting piece 462 and support portion
The long axis of central axis and central through hole 321 is located in the same vertical plane, since the circumferential surface of upper interconnecting piece 461 is used for and the first vibration
Film 11 connects, and connection area is big, and corresponding bonding strength is high；Similarly, the circumferential surface of lower interconnecting piece 462 is used for and the second vibrating diaphragm
(21a, 21b, 21c) connection, it is also ensured that the bonding strength of connector (40-48) and the second vibrating diaphragm (21a, 21b, 21c).
Further, the magnetic circuit system include conductive magnetic yoke 34 and center magnetic path portion in the conductive magnetic yoke 34 and
Side magnetic circuit part (does not indicate)；
The magnetic gap 31 for accommodating the voice coil 12 is formed between the center magnetic path portion and side magnetic circuit part；
At least one of the center magnetic path portion and the side magnetic circuit part are equipped with permanent magnet；
The through-hole 32 includes the side through-hole 322 being arranged on the outside of the center magnetic path portion；
The side through-hole 322 is arranged in the conductive magnetic yoke 34；
Alternatively, the loudspeaker 210 includes the shell 7 of the fixed magnetic circuit system, the side through-hole 322 is arranged described
On shell 7 or between the setting shell 7 and the edge of the conductive magnetic yoke 34.
In the present embodiment, side through-hole 322 can be separately provided, and can be set in conductive magnetic yoke and be located at the outer of center magnetic path
The shell 7 in magnetic circuit system also can be set in side, alternatively, on the shell 7 or the setting shell 7 and the conductive magnetic yoke
Between 34 edge.Side through-hole 322 in above embodiments in conjunction with airflow channel 33 then further increase first operatic tunes 5 with
Connectivity between second operatic tunes 6, and then when the vibration of the first vibrating diaphragm 11, there can be more air in first operatic tunes in the unit time
5 and the second flowing between the operatic tunes 6, the air pressure between first operatic tunes 5 and second operatic tunes 6 is more balanced, caused by resistance it is smaller.
Further, in order to increase circulation area as much as possible, side through-hole 322 is provided with multiple, multiple 322 edges of side through-hole
The circumferentially-spaced arrangement of magnetic gap 31.In this way, can not only guarantee the balance of connection but also magnetic circuit equilibrium can be made to be connected to.Specifically,
Magnetic circuit system (3a, 3b, 3c, 3d) includes conductive magnetic yoke 34, set on 34 bottom of conductive magnetic yoke center magnet steel (35a, 35b, 35c,
35d), and be set to center magnet steel (35a, 35b, 35c, 35d) at the top of magnetic conductive board 36；The first inner hole is offered in conductive magnetic yoke 34
341, center magnet steel (35a, 35b, 35c, 35d) offers the second inner hole (351a, 351b, 351c, 351d), opens in conductive magnetic yoke 34
Equipped with third inner hole 361, the first inner hole 341, the second inner hole (351a, 351b, 351c, 351d) and third inner hole 361 are connected to shape
At central through hole 321, side through-hole 322 is provided with the bottom of conductive magnetic yoke 34.Since center magnet steel is compared in the bottom of conductive magnetic yoke 34
Closest second operatic tunes 6 of (35a, 35b, 35c, 35d) and magnetic conductive board 36, thus side through-hole 322 is provided with the bottom of conductive magnetic yoke 34
Portion's processing is also the most convenient.
Referring to figure 2. 4 to Figure 27, further, the connector 49 is at least partially disposed in the side through-hole 322.
In the present embodiment, connector 49, which has, is separately connected the two of the first vibrating diaphragm 11 and the second vibrating diaphragm (21a, 21b, 21c)
Part, side through-hole 322 can be used for accommodating connector 48 completely, can also accommodating portion connector 49, connector 49 other
Position is in except side through-hole 322.
Further, the side through-hole 322 includes spaced multiple, and the connector 49 includes connecting bottom board 491
And be convexly equipped in multiple Connection protrusions 493 on the connecting bottom board 491, the connecting bottom board 491 and first vibrating diaphragm 11 and
One of them in second vibrating diaphragm (21a, 21b, 21c) is fixedly connected, and the end of multiple Connection protrusions 493 is right one by one respectively
Should pass through multiple side through-holes 322 and with it is another in first vibrating diaphragm 11 and second vibrating diaphragm (21a, 21b, 21c)
It is a to be fixedly connected.
In the present embodiment, setting connector 49 includes connecting bottom board 491 and Connection protrusion 493, and connecting bottom board 491 can be in
Plate, Connection protrusion 493 is vertical with the connecting bottom board 491 or is obliquely installed, and passes through connecting bottom board 491 and multiple Connection protrusions
493 can increase the connection area of connector 49 and the first vibrating diaphragm 11 or the second vibrating diaphragm (21a, 21b, 21c), thus increase amplitude,
Improve the sounding effect of the first vibrating diaphragm 11 and the second vibrating diaphragm (21a, 21b, 21c).
On that basi of the above embodiments, the both ends of the conductive magnetic yoke 34 are tabular, and the side through-hole 322 is included at least and set
In two of the both ends of the conductive magnetic yoke 34, the connecting bottom board 491 is connected with second vibrating diaphragm (21a, 21b, 21c), institute
Connection protrusion 493 is stated to connect with first vibrating diaphragm 11.
In the present embodiment, conductive magnetic yoke 34 is in tabular, opens up side through-hole 322 on it, the convenience of processing can be improved,
And connecting bottom board 491 and the second vibrating diaphragm (21a, 21b, 21c) connect, at least two Connection protrusions 493 are connect with the first vibrating diaphragm 11, can
To guarantee the stability and bonding strength of the first vibrating diaphragm 11 and the second vibrating diaphragm (21a, 21b, 21c) connection, so that the second vibrating diaphragm
(21a, 21b, 21c) can effectively be vibrated with the vibration of the first vibrating diaphragm 11, improve sounding effect.
When the Connection protrusion 493 of connector 49 is set in side through-hole 322, the plate-like setting of the Connection protrusion 493；Institute
The end for stating Connection protrusion 493 is formed with inside or outside or the outside bending of part inward portion connection flange 495；And/
Or
The inside bending in side lower end of the plate-like setting of the Connection protrusion 493, the Connection protrusion 493 has extended to form
The side reinforcement part (not indicating) being connect with the connecting bottom board 491；And/or
The inside lower end of the Connection protrusion 493 is equipped with the ribs (not indicating) connecting with the connecting bottom board 491；
And/or
The connecting bottom board 491 is arranged in Openworks shape；And/or
The plate-like setting of the Connection protrusion 493, and the Connection protrusion 493 is arranged in Openworks shape；And/or
The connecting bottom board 491 is set as rectangular, round, track type or ellipse.
In the present embodiment, the structure of Connection protrusion 493 is referred to the connecting-piece structure being set in central through hole 321, i.e.,
By in the upper end of Connection protrusion 493 or lower end setting connection flange 495, side reinforcement part and ribs, increasing connector and the
The connection area of one vibrating diaphragm 11 and the second vibrating diaphragm (21a, 21b, 21c) improves stability to enhance bonding strength.Meanwhile it is logical
It crosses and hollow out is set on connecting bottom board 491 and/or Connection protrusion 493, can not only guarantee to be driven intensity, but also mitigate weight, and easily
In machine-shaping.The shape of connecting bottom board 491 can be configured according to the shape of the second vibrating diaphragm (21a, 21b, 21c), be increased
Weight can be reduced while contact area again, improves the stability of connection, and can be improved transmission effect.
Further, referring to figure 3. to Fig. 6 and Figure 13, first vibrating diaphragm 11 includes the first center of planar sheet
Portion, the first ring portion around the setting of the first central part and the first fixed part around the setting of the first ring portion；The connection
First central part is fixed in protrusion, and first ring portion is the structure being made of a protrusion or first folding
Ring portion is by least one protrusion and at least one wavy shaped configuration constituted that is recessed, and the second vibrating diaphragm (21a, 21b, 21c) includes
Second central part 211, around the second central part 211 setting the second ring portion (212a, 212b) and surround the second ring portion
Second fixed part 213 of (212a, 212b) setting；Second central part 211 is plane platelet structures, the of the second vibrating diaphragm
One and second embodiment in, the second ring portion 212a is that the structure being made of a protrusion or the second ring portion 212b serve as reasons
The wavy shaped configuration that at least one protrusion and at least one recess are constituted.
In the present embodiment, active force and therewith vibration sounding of second central part 211 to bear connector (40-48)
That is linkage radiation sounding, by setting plane platelet structures for the second central part 211, such second vibrating diaphragm (21a, 21b,
21c) the space occupied is smaller in the up-down direction, and can produce sufficiently large amplitude.And the second ring portion (212a,
It 212b) is provided for the movement of the second central part 211 certain pliable, that is, provides certain flexibility, allow the second central part 211
It is easier to be flowed through central through hole 321 and the air-flow of side through-hole 322 pushes.
The structure of first vibrating diaphragm 11 and the structure of the second vibrating diaphragm (21a, 21b, 21c) are similar, specifically, first vibration
Film include planar sheet the first central part, around the setting of the first central part the first ring portion and set around the first ring portion
The first fixed part set；The Connection protrusion is fixed on first central part, and first ring portion is by a raised structure
At structure or first ring portion be by least one protrusion and at least one wavy shaped configuration for constituting of being recessed.?
In conjunction with the second vibrating diaphragm (21a, 21b, 21c) central part be also configured as the embodiment of laminated structure after, it is provided by the utility model
Loudspeaker body generally forms up and down direction compared with thin structure, so, it is easier to apply in flat-shaped installation space.
Further, Fig. 7 and Fig. 8 is please referred to, in the 3rd embodiment of the second vibrating diaphragm, the second vibrating diaphragm 21c further includes knot
Together in the composite layer 214 of central part 211, the lower end of connector (40-48) and composite layer 214 or the central part 211, which are fixed, to be connected
It connects.Composite layer 214, which is arranged, can reduce the quality of the second vibrating diaphragm 21c, guarantee that the second vibrating diaphragm 21c is easier to be pushed by air-flow.It is preferred that
Ground, in order to guarantee that the second vibrating diaphragm 21c vocal performance passively radiated is more excellent, the material high using specific modulus of composite layer 214, example
Such as, aluminium composite, aluminium, almag, magnesium lithium alloy material, carbon fiber, PEN (polyethylene naphthalate), LCP
(Liquid Crystal Polymer liquid crystal polymer), foaming body etc..
Referring to figure 2. 8 to Figure 30, the utility model also proposes a kind of portable terminal 100, including shell 110, shell 110
Inside has accommodating cavity 120, which further includes loudspeaker 210, and the specific structure of the loudspeaker 210 is referring to above-mentioned
Embodiment at least has above-mentioned reality since this portable terminal 100 uses whole technical solutions of above-mentioned all embodiments
All beneficial effects brought by the technical solution of example are applied, this is no longer going to repeat them.
In the present embodiment, loudspeaker 210 is mounted on accommodating cavity 120, and shell 110 offers the first of corresponding first vibrating diaphragm 11
Acoustic aperture 130, and second acoustic aperture 140 of corresponding second vibrating diaphragm (21a, 21b, 21c).Preferably, in order to shorten inside shell 110
The propagation path of sound reduces acoustic resistance, and the first acoustic aperture 130 is opened in the position with 11 face of the first vibrating diaphragm of shell 110, and second
Acoustic aperture 140 is opened in the position with the second vibrating diaphragm (21a, 21b, 21c) face of shell 110.
Specifically, the shell 110 has the front being oppositely arranged and reverse side, and first acoustic aperture 130 is set to the shell
The front of body 110, second acoustic aperture 140 are set to the reverse side of the shell 110；
First vibrating diaphragm 11 connects away from the space of second vibrating diaphragm (21a, 21b, 21c) and first acoustic aperture 130
Logical, first acoustic aperture 130 is used to conduct the sound that first vibrating diaphragm 11 issues；
Second vibrating diaphragm (21a, 21b, 21c) connects away from the space of first vibrating diaphragm 11 and second acoustic aperture 140
Logical, second acoustic aperture 140 is used to conduct the sound that second vibrating diaphragm (21a, 21b, 21c) issues.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
Under all utility models in the utility model are conceived, equivalent structure made based on the specification and figures of the utility model
Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (20)
1. a kind of loudspeaker, which is characterized in that including the first vibrational system, the second vibrational system, magnetic circuit system and connector,
In,
First vibrational system includes the first vibrating diaphragm and the voice coil on the inside of first vibrating diaphragm；Second vibrational system
Including the second vibrating diaphragm being oppositely arranged with first vibrating diaphragm；
The magnetic circuit system is set between first vibrating diaphragm and the second vibrating diaphragm, the magnetic circuit system and first vibrating diaphragm it
Between form first operatic tunes, the voice coil is contained in the magnetic gap of the magnetic circuit system；
Second operatic tunes is formed between the magnetic circuit system and second vibrating diaphragm, between first operatic tunes and second operatic tunes
Equipped with through-hole；
The connector is set in the through-hole, and the upper end of the connector is fixedly connected with first vibrating diaphragm, lower end and institute
The second vibrating diaphragm is stated to be fixedly connected.
2. loudspeaker as described in claim 1, which is characterized in that the through-hole is set on the magnetic circuit system.
3. loudspeaker as described in claim 1, which is characterized in that the connector is in hollow tube-shape, and upper lower open mouth is arranged,
The upper surface of the connector is fixedly connected with first vibrating diaphragm, and lower end surface is fixedly connected with second vibrating diaphragm.
4. loudspeaker as claimed in claim 2, which is characterized in that the side wall of the connector is arranged in Openworks shape, the company
Venthole is offered in the middle part of the side wall of fitting or the upper and lower end face of the connector offers ventilation notch.
5. loudspeaker as claimed in claim 2, which is characterized in that the side wall of the connector prolongs equipped with the circumferential direction along connector
The reinforcement part of the recess or protrusion stretched.
6. loudspeaker as claimed in claim 2, which is characterized in that the side wall top edge fold inward of the connector is formed
Flange, the top surface of the upper overturning are concordant with the upper surface of the connector；The side wall lower edge fold inward of the connector
Lower flange is formed, the bottom surface of the lower flange is concordant with the lower end surface of the connector.
7. loudspeaker as described in claim 1, which is characterized in that the connector includes the upper interconnecting piece being oppositely arranged up and down
And lower interconnecting piece, and the support portion being connected between interconnecting piece and lower interconnecting piece, the upper interconnecting piece and lower interconnecting piece be equal
In long strip perpendicular to up and down direction extension, the upper interconnecting piece is fixedly connected with first vibrating diaphragm, the lower interconnecting piece
It is fixedly connected with second vibrating diaphragm.
8. loudspeaker as claimed in claim 7, which is characterized in that
The support portion vertically extends, and the support portion is provided with multiple and along the upper interconnecting piece or lower interconnecting piece
Length direction arranged for interval；Alternatively,
The support portion includes extending downwardly first segment from one end of the upper interconnecting piece, described in the lower end edge from the first segment
The length direction of upper interconnecting piece connects up the second segment that the other end in portion extends, and from second segment far from the first segment
One end extend downwardly and connect the third section of lower interconnecting piece；Or
There are two simultaneously opposite up and down direction inclination is arranged in a crossed manner for the setting of the support portion.
9. such as the described in any item loudspeakers of claim 1-8, which is characterized in that the connector is made of porous material.
10. such as the described in any item loudspeakers of claim 1-8, which is characterized in that
The magnetic circuit system includes conductive magnetic yoke and center magnetic path portion and side magnetic circuit part in the conductive magnetic yoke；
The magnetic gap for accommodating the voice coil is formed between the center magnetic path portion and side magnetic circuit part；
At least one of the center magnetic path portion and the side magnetic circuit part are equipped with permanent magnet；
The through-hole includes the central through hole of corresponding conductive magnetic yoke and center magnetic path portion setting, and the connector is set to the center
Through-hole.
11. loudspeaker as claimed in claim 10, which is characterized in that the center magnetic path portion includes being set to the conductive magnetic yoke
The center magnet steel of bottom, and the magnetic conductive board at the top of the center magnet steel；
The first inner hole is offered in the conductive magnetic yoke, the center magnet steel offers the second inner hole, offers in the conductive magnetic yoke
Third inner hole, first inner hole, the second inner hole and the third inner hole are connected to form the central through hole.
12. loudspeaker as claimed in claim 1 or 2, which is characterized in that the magnetic circuit system includes conductive magnetic yoke and is set to described
Center magnetic path portion and side magnetic circuit part in conductive magnetic yoke；
The magnetic gap for accommodating the voice coil is formed between the center magnetic path portion and side magnetic circuit part；
At least one of the center magnetic path portion and the side magnetic circuit part are equipped with permanent magnet；
The through-hole includes the side through-hole being arranged on the outside of the center magnetic path portion；
The side through-hole is arranged in the conductive magnetic yoke；
Alternatively, the loudspeaker includes the shell of the fixed magnetic circuit system, the side through-hole setting on the housing or
It is arranged between the shell and the edge of the conductive magnetic yoke.
13. loudspeaker as claimed in claim 12, which is characterized in that the connector is at least partially disposed in the side through-hole.
14. loudspeaker as claimed in claim 13, which is characterized in that the side through-hole include it is spaced multiple,
The connector includes connecting bottom board and multiple Connection protrusions for being convexly equipped on the connecting bottom board, the connecting bottom board with
One of them in first vibrating diaphragm and the second vibrating diaphragm is fixedly connected, and the end of multiple Connection protrusions corresponds respectively
It is fixedly connected across multiple side through-holes with another in first vibrating diaphragm and second vibrating diaphragm.
15. loudspeaker as claimed in claim 14, which is characterized in that the both ends of the conductive magnetic yoke are tabular, and the side is logical
Hole includes at least two set on the both ends of the conductive magnetic yoke, and the connecting bottom board is connect with second vibrating diaphragm, the connection
Protrusion is connect with first vibrating diaphragm.
16. loudspeaker as claimed in claim 14, which is characterized in that the plate-like setting of Connection protrusion；The connection is convex
The end in portion is formed with inside or outside or the outside bending of part inward portion connection flange；And/or
The inside bending in side lower end of the plate-like setting of Connection protrusion, the Connection protrusion has extended to form and the connection
The side reinforcement part of bottom plate connection；And/or
The inside lower end of the Connection protrusion is equipped with the ribs connecting with the connecting bottom board；And/or
The connecting bottom board is arranged in Openworks shape；And/or
The plate-like setting of Connection protrusion, and the Connection protrusion is arranged in Openworks shape；And/or
The connecting bottom board is set as rectangular, round, track type or ellipse.
17. loudspeaker as claimed in claim 14, which is characterized in that first vibrating diaphragm includes the first center of planar sheet
Portion, the first ring portion around the setting of the first central part and the first fixed part around the setting of the first ring portion；The connection
First central part is fixed in protrusion, and first ring portion is the structure being made of a protrusion or first folding
Ring portion is by least one protrusion and at least one wavy shaped configuration constituted that is recessed；And/or
Second vibrating diaphragm include planar sheet the second central part, around the second central part setting the second ring portion and enclose
Around the second fixed part of the second ring portion setting；The connecting bottom board is fixed on the upside of second central part, second folding
Ring portion is the structure being made of a protrusion or second ring portion is by least one protrusion and at least one recess structure
At wavy shaped configuration.
18. loudspeaker as claimed in claim 17, which is characterized in that second vibrating diaphragm further includes being incorporated into the central part
Composite layer, the lower end of the connector is fixedly connected with the composite layer or the central part.
19. a kind of portable terminal, including shell, the enclosure interior has accommodating cavity, which is characterized in that further includes that right such as is wanted
Loudspeaker described in any one of 1-18 is sought, the loudspeaker is mounted on the accommodating cavity, and the shell offers described in correspondence
First acoustic aperture of the first vibrating diaphragm, and the second acoustic aperture of corresponding second vibrating diaphragm.
20. portable terminal as claimed in claim 19, which is characterized in that the shell is with the front being oppositely arranged and instead
Face, first acoustic aperture are set to the front of the shell, and second acoustic aperture is set to the reverse side of the shell；
First vibrating diaphragm is connected to away from the space of second vibrating diaphragm with first acoustic aperture, and first acoustic aperture is for conducting
The sound that first vibrating diaphragm issues；
Second vibrating diaphragm is connected to away from the space of first vibrating diaphragm with second acoustic aperture, and second acoustic aperture is for conducting
The sound that second vibrating diaphragm issues.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820988090.3U CN208386918U (en) | 2018-06-25 | 2018-06-25 | Loudspeaker and portable terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820988090.3U CN208386918U (en) | 2018-06-25 | 2018-06-25 | Loudspeaker and portable terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208386918U true CN208386918U (en) | 2019-01-15 |
Family
ID=64964452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820988090.3U Active CN208386918U (en) | 2018-06-25 | 2018-06-25 | Loudspeaker and portable terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208386918U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110753290A (en) * | 2019-09-30 | 2020-02-04 | 歌尔科技有限公司 | Sound generating device, acoustic module provided with same and electronic equipment |
| CN110753292A (en) * | 2019-09-30 | 2020-02-04 | 歌尔科技有限公司 | Sound generating device, acoustic module provided with same and electronic equipment |
| 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 |
-
2018
- 2018-06-25 CN CN201820988090.3U patent/CN208386918U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110753290A (en) * | 2019-09-30 | 2020-02-04 | 歌尔科技有限公司 | Sound generating device, acoustic module provided with same and electronic equipment |
| CN110753292A (en) * | 2019-09-30 | 2020-02-04 | 歌尔科技有限公司 | Sound generating device, acoustic module provided with same and electronic equipment |
| 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 |
| CN110753292B (en) * | 2019-09-30 | 2021-07-13 | 歌尔科技有限公司 | Sound generating device, acoustic module provided with same and electronic equipment |
| CN110784809B (en) * | 2019-09-30 | 2021-11-26 | 歌尔科技有限公司 | Sound generating device, acoustic module provided with same and electronic equipment |
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