CN204929245U - Vibration sounding apparatus - Google Patents
Vibration sounding apparatus Download PDFInfo
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- CN204929245U CN204929245U CN201520647606.4U CN201520647606U CN204929245U CN 204929245 U CN204929245 U CN 204929245U CN 201520647606 U CN201520647606 U CN 201520647606U CN 204929245 U CN204929245 U CN 204929245U
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Abstract
The utility model discloses a vibration sounding apparatus relates to electro -acoustic products technical field, including the shell with accept in vibration system and magnetic circuit in the shell, a side of shell is equipped with the phonate hole, vibration system includes vibrating diaphragm, voice coil loudspeaker voice coil and is used for connecting the vibrating diaphragm with the speech coil framework of voice coil loudspeaker voice coil, the voice coil loudspeaker voice coil is the flat structure, voice coil loudspeaker voice coil place plane with the plane phase at vibrating diaphragm place is perpendicular, magnetic circuit includes magnet, the plane at magnet place with the flat surface parallel at voice coil loudspeaker voice coil place, vibration sounding apparatus still includes quality piece and elastic support elements, elastic support elements will the quality piece with the magnet suspension is in in the shell, elastic support elements is the loop configuration, the quality piece with magnet is located elastic support elements's inboard, the relative both sides limit of elastic support elements with magnet fixed connection, elastic support elements's both sides limit is in addition fixed on the shell.
Description
Technical field
The utility model relates to electro-acoustic product technical field, particularly a kind of for the vibration-sound generating device in portable electric appts.
Background technology
Vibration-sound generating device is a kind of multifunctional acoustics device, and it also has the function of vibrating motor except the vibration sounding function with ventional loudspeakers.Vibration-sound generating device combines the function of the large vitals (loud speaker, vibrating motor) of two in original portable electric appts, not only simplify the assembly technology of portable electric appts, also effectively save the inner space of portable electric appts simultaneously, reduce the production cost of portable electric appts, therefore the vibration-sound generating device simultaneously with sounding and vibrating function obtains in field of portable electronic apparatus and applies more and more widely.
At present, application vibration-sound generating device in portable includes vibrational system and magnetic circuit system.The tubular voice coil loudspeaker voice coil that vibrational system comprises vibrating diaphragm and is combined as a whole with vibrating diaphragm; Magnetic circuit system comprises magnet and magnetic gap, and tubular voice coil loudspeaker voice coil is arranged in magnetic gap.During vibration-sound generating device work, tubular voice coil loudspeaker voice coil is subject to the effect in the vertical direction vibration of Lorentz force, thus drives vibrating diaphragm at vertical direction vibration sounding, and magnetic circuit system is subject to reaction force, in the vertical direction produces resonance, thus realizes the function of sounding and vibration.The space taken due to tubular voice coil loudspeaker voice coil is larger, need magnetic circuit system to be that it reserves magnetic gap simultaneously, and also need in the vertical direction for it reserves oscillation space, thus cause the thickness of existing vibration-sound generating device all comparatively large, the requirement of portable electric appts slimming, miniaturization cannot be met.Simultaneously, again due to the existence of magnetic gap, make the small volume of magnet, thus make magnetic field intensity less, the Lorentz force that voice coil loudspeaker voice coil is subject in magnetic field is less, and then causes the acoustic sensitiveness of vibration-sound generating device lower, and vibration sense is also more weak, overall performance is poor, is difficult to meet people's consumption demand more and more higher to portable electric appts.And existing vibration-sound generating device complex structure, assembly difficulty is comparatively large, and production efficiency is low.
Utility model content
For above defect, technical problem to be solved in the utility model is to provide a kind of vibration-sound generating device, and this vibration-sound generating device thickness is little, and performance is good, and assembling is simple, and production efficiency is high.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of vibration-sound generating device, the vibrational system comprising shell and be contained in described shell and magnetic circuit system, a side of described shell is provided with phonate hole, described vibrational system comprises vibrating diaphragm, voice coil loudspeaker voice coil and the speech coil framework for being connected described vibrating diaphragm and described voice coil loudspeaker voice coil, and the plane at described vibrating diaphragm place parallels with the side at described phonate hole place; Described voice coil loudspeaker voice coil is flat structure, the plane being perpendicular at described voice coil loudspeaker voice coil place plane and described vibrating diaphragm place; Described magnetic circuit system comprises magnet, the plane at described magnet place and the plane parallel at described voice coil loudspeaker voice coil place; Described vibration-sound generating device also comprises mass and elastic supporting member for supporting optical member, and described magnet and described mass are fixed as one, and described mass and described magnet are suspended in described shell by described elastic supporting member for supporting optical member; Described elastic supporting member for supporting optical member is loop configuration, described mass and described magnet are positioned at the inner side of described elastic supporting member for supporting optical member, the dual-side that described elastic supporting member for supporting optical member is relative is fixedly connected with described magnet, the bearing of trend of this dual-side and the direction of vibration of described mass and described magnet perpendicular, the another dual-side of described elastic supporting member for supporting optical member is fixing on the housing.
Wherein, the position that described elastic supporting member for supporting optical member is fixedly connected with described magnet is positioned at the center of this dual-side, and the spacing of this dual-side center is less than the spacing at its two ends.
Wherein, between the dual-side that described elastic supporting member for supporting optical member is adjacent, arc transition connects.
Wherein, be provided with a supporting plate between the center of the dual-side that described elastic supporting member for supporting optical member is fixedly connected with described magnet, the two ends of described supporting plate are fixedly connected with the lower limb of this dual-side respectively.
Wherein, described elastic supporting member for supporting optical member is made up of the shell fragment that two-strip structure is identical, and two described shell fragments are symmetrical arranged, and are connected as one by described supporting plate; The profile of described elastic supporting member for supporting optical member is approximately two M snapped together.
Wherein, the position of the corresponding described supporting plate in downside of described mass is provided with a location notch, and described supporting plate is stuck in described location notch.
Wherein, described speech coil framework is laminated structure, and described voice coil loudspeaker voice coil is fixed on described speech coil framework, and described vibrating diaphragm is provided with the grafting boss protruded to described voice coil loudspeaker voice coil direction, described grafting boss is provided with spliced eye, and the end grafting of described speech coil framework is fixed in described spliced eye.
Wherein, described shell comprises upper shell and lower house, and the side of described upper shell and described lower house is connected as one by a side cover, and described phonate hole is arranged on described side cover; Described vibrating diaphragm comprises and the ring portion that described side cover injection moulding is combined and the reinforcement part that is fixed in the middle part of described ring portion, and described grafting boss is positioned on described reinforcement part.
Wherein, described speech coil framework comprises the identical and symmetrically arranged two panels skeleton of structure, and the two ends of described voice coil loudspeaker voice coil are separately fixed on skeleton described in two panels; Skeleton described in two panels is all printed with circuit, one end of skeleton described in two panels is all fixed with described vibrating diaphragm grafting, the other end is equipped with the connecting portion be electrically connected with external circuit, described socket connection end is connected with the fixed part for fixing described voice coil loudspeaker voice coil, has flexible linking arm be connected between described fixed part with described connecting portion by one.
Wherein, described magnet is provided with two pieces, the described mass between two blocks of described magnet is provided with the spacing fin for isolating two blocks of described magnet, and bearing of trend and its direction of vibration of described spacing fin are perpendicular; The position that described mass is provided with described spacing fin protrudes from the two ends of described mass along the bearing of trend of described spacing fin, and the top of this protruding parts, two ends of corresponding described mass is provided with the guide vane end stop for preventing described magnet and described mass from rising.
Wherein, the arc transition junction between the adjacent dual-side of described elastic supporting member for supporting optical member is equipped with hollow out.
After have employed technique scheme, the beneficial effects of the utility model are:
Because the phonate hole of the utility model vibration-sound generating device is located at side, the plane at vibrating diaphragm place parallels with the side at phonate hole place, and voice coil loudspeaker voice coil is the plane being perpendicular at flat structure, voice coil loudspeaker voice coil place plane and vibrating diaphragm place; The plane at magnet place and the plane parallel at voice coil loudspeaker voice coil place; Also comprise mass and elastic supporting member for supporting optical member, magnet and mass are fixed as one, and mass and magnet suspend in the enclosure by elastic supporting member for supporting optical member; The bearing of trend of elastic supporting member for supporting optical member and the perpendicular dual-side of direction of vibration and magnet are fixed, and its another dual-side is fixed on shell.When passing into the electric current of alternation in voice coil loudspeaker voice coil, voice coil loudspeaker voice coil can be subject to the Lorentz force of horizontal direction in the magnetic field that magnet produces, thus vibrates in the horizontal direction, and drives vibrating diaphragm sounding by speech coil framework; According to active force and the reaction force principle in magnetic field, magnet can be subject to equal-sized opposition, in certain frequency, and magnet and the common double vibrations in the horizontal direction of mass, thus realize the vibrating function of vibration-sound generating device.Based on the said structure of the utility model vibration-sound generating device and the operation principle of horizontal direction vibration, the utility model vibration-sound generating device has the following advantages than tool with the vibration-sound generating device of the vertical vibration had now in technology:
One, thickness is little, can meet the requirement of portable electric appts slimming development;
Two, the volume of magnet is comparatively large, and magnetic field intensity is large, and acoustic sensitiveness is high, and vibration sense is strong, and overall serviceability is good, can meet the consumption demand that people are more and more higher;
Three, also can avoid the blocking of phonate hole when portable electric appts thickness is not enough, ensure that out sound effective value;
Four, magnet and mass are fixed by elastic supporting member for supporting optical member and shell, and assembly technology is simple, and production efficiency is high.
The position be fixedly connected with magnet due to elastic supporting member for supporting optical member is positioned at the center of this dual-side, and the spacing of this dual-side center is less than the spacing at its two ends.Namely elastic supporting member for supporting optical member has the design that middle part is narrowed, and this design can increase the compliance of elastic supporting member for supporting optical member, reduces the resonance frequency of vibration-sound generating device.
Because arc transition between the dual-side that elastic supporting member for supporting optical member is adjacent connects, namely four bights of elastic supporting member for supporting optical member are circular arc bending, can effectively magnetic circuit x be controlled in the range of linearity to vibration major part, the x-axis restoring force that a symmetry is good is provided when magnetic circuit vibrates.
Be provided with a supporting plate between the center of the dual-side be fixedly connected with magnet due to elastic supporting member for supporting optical member, the two ends of supporting plate are fixedly connected with the lower limb of this dual-side respectively.Supporting plate serves support effect to magnet and mass, effectively can prevent magnet and mass from coming off from elastic supporting member for supporting optical member, improve the reliability of vibration-sound generating device, and effectively extend the useful life of vibration-sound generating device.
The position of the corresponding supporting plate in the downside due to mass is provided with a location notch, and supporting plate is stuck in location notch.Location notch serves positioning action, can effectively reduce assembly difficulty when assembling, and improves efficiency of assembling, can also ensure the consistency of product simultaneously, improve the product qualified rate of product.
Because the arc transition junction between the adjacent dual-side of elastic supporting member for supporting optical member is equipped with hollow out, namely four bights of elastic supporting member for supporting optical member are equipped with hollow out, further can promote the compliance of elastic supporting member for supporting optical member, reduce the resonance frequency of vibration-sound generating device.
In sum, it is large that the utility model vibration-sound generating device solves vibration-sound generating device thickness in prior art, and assembly difficulty is large, the technical problems such as poor performance, the utility model vibration-sound generating device thickness is little, and performance is good, structure is simple, and assembly difficulty is low, and production efficiency is high.
Accompanying drawing explanation
Fig. 1 is the decomposition texture schematic diagram of the utility model vibration-sound generating device embodiment one;
Fig. 2 is the constitutional diagram of Fig. 1;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is A-A line cutaway view of Fig. 2;
Fig. 5 is the constitutional diagram of magnetic circuit system in Fig. 1;
Fig. 6 is the rearview of Fig. 5;
Fig. 7 is the constitutional diagram of vibrational system in Fig. 1;
Fig. 8 is the constitutional diagram of the magnetic circuit system of the utility model vibration-sound generating device embodiment two;
In figure: 10, upper shell, 100, damping hole, 102, breach, 12, lower house, 14, side cover, 140, phonate hole, 16, fixture, 160, reference column, 162, boss, 164, connector, 18, frame, 20, Air Filter, 22, damping screen, 24, bullet pad, 30, reinforcement part, 300, grafting boss, 302, spliced eye, 32, speech coil framework, 320, Plug Division, 322, fixed part, 3220, through hole, 324, linking arm, 326, connecting portion, 3260, location hole, 328, pad, 34, voice coil loudspeaker voice coil, 36, ring portion, 40, magnet, 42, mass, 420, location notch, 422, spacing fin, 424, protuberance, 44, guide vane end stop, 440, joint portion, 442, limiting section, 46, elastic supporting member for supporting optical member, 460, first fixed part, 462, second fixed part, 464, supporting plate, 466a, bending part, 466b, bending part, 4660, hollow out.
Embodiment
Below in conjunction with drawings and Examples, set forth the utility model further.
The orientation related in this specification all refers to the direction of vibrational system, under orientation, all refer to the direction of magnetic circuit system; The side at nearly vibration-sound generating device center is all depended in the inner side related in this specification, and outside all refers to deep side.
Embodiment one:
As shown in Figure 1, Figure 2 with Fig. 3 jointly shown in, a kind of vibration-sound generating device, comprise shell, shell is made up of the upper shell 10 combined, lower house 12 and side cover 14, lower house 12 is rectangle structure, the edge of its two relative minor faces is vertically provided with a sidewall respectively, upper shell 10 is fastened on this both sides sidewall, the side long side of lower house 12 is combined with upper shell 10 by side cover 14, opposite side long side is combined with a fixture 16, this fixture 16 for the speech coil framework 32 of fixing vibrational system, and forms this side sidewall of shell herein.Contain vibrational system and magnetic circuit system in shell, the middle part of side cover 14 is provided with phonate hole 140, and the outer side covers of phonate hole 140 has Air Filter 20.The side that upper shell 10 combines with side cover 14 is upwards vertical to be bent, this upwards kink be provided with damping hole 100, the outer side covers of damping hole 100 has damping screen 22.Side cover 14 is fastened on the periphery of this upwards this lateral edges of kink and lower house 12 simultaneously, makes whole vibration-sound generating device form L-type from the side.
As shown in Figure 1, Figure 2 with Fig. 7 jointly shown in, vibrational system comprises vibrating diaphragm, voice coil loudspeaker voice coil 34 and the speech coil framework 32 for being connected vibrating diaphragm and voice coil loudspeaker voice coil 34.The plane at vibrating diaphragm place parallels with the side at phonate hole 140 place, the ring portion 36 that it comprises with side cover 14 injection moulding is combined and the reinforcement part 30 being combined in centre, ring portion 36.In present embodiment, preferred side cover 14 is structure as a whole with ring portion 36 and material is identical, be silica gel, reinforcement part 30 is combined by Shooting Technique with ring portion 36, and the inner side of side cover 14 is combined with the frame 18 of a hard, and frame 18 is combined with upper shell 10 and lower house 12.Voice coil loudspeaker voice coil 34 is track type flat structure, the plane being perpendicular at voice coil loudspeaker voice coil 34 place plane and vibrating diaphragm place.Speech coil framework 32 is sheet, and comprise the identical and symmetrically arranged two panels of structure, this two panels speech coil framework 32 is L shape, is combined and is approximately U-shaped.One end that two panels speech coil framework 32 connects is equipped with a junction 326, connecting portion 326 is fixed on fixture 16, connecting portion 326 is connected with has flexible linking arm 324, when connecting portion 326 is fixed on fixture 16, the horizontal vibration that linking arm 324 can be voice coil loudspeaker voice coil 34 provides vibration stroke.Linking arm 324 is connected with fixed part 322, and fixed part 322 is connected with Plug Division 320, and Plug Division 320 is connected with reinforcement part 30.The bending two ends portion of voice coil loudspeaker voice coil 34 is separately fixed on the fixed part 322 of two panels speech coil framework 32, and its both sides straight flange is parallel with vibrating diaphragm, namely the bearing of trend of this both sides straight flange and its direction of vibration perpendicular.
As Fig. 1 and Fig. 4 jointly shown in, reinforcement part 30 is provided with the grafting boss 300 protruded to voice coil loudspeaker voice coil 34 direction, the end face of grafting boss 300 is provided with a spliced eye 302, the size and shape of spliced eye 302 and the Plug Division 320 of speech coil framework 32 suitable, Plug Division 320 grafting is fixed in spliced eye 302, thus realize being fixedly connected with of voice coil loudspeaker voice coil 34 and vibrating diaphragm, drive diaphragm oscillations sounding when voice coil loudspeaker voice coil 34 vibrates, the sound that diaphragm oscillations sends spreads out of from phonate hole 140.
As Fig. 1 and Fig. 2 jointly shown in, two panels speech coil framework 32 is all printed with circuit, the pad 328 for being electrically connected with the lead-in wire of voice coil loudspeaker voice coil 34 is provided with between fixed part 322 with Plug Division 320, connecting portion 326 is provided with the external pad for being electrically connected with external circuit, connecting portion 326 is also provided with a location hole 3260.The inner side of fixture 16 is provided with a boss 162 perpendicular with fixture 16, and on boss 162, the position of corresponding two location holes 3260 is respectively equipped with a reference column 160, and speech coil framework 32 is fixed on fixture 16 with coordinating of location hole 3260 by reference column 160.On upper shell 10, the position of corresponding boss 162 is provided with a breach 102, thus by exposed in outside for the external pad on connecting portion 326, is conveniently electrically connected with external circuit.Sealed by the seal 164 of a M shape between upper shell 10 and boss 162.
As Fig. 1 and Fig. 7 jointly shown in, the fixed part 322 of two panels speech coil framework 32 is bar shaped laminated structure, two fixed parts 322 are equipped with the rectangular through hole 3220 that a bearing of trend is identical with fixed part 322 bearing of trend, through hole 3220 be arranged on the fix tightly soundness not affecting voice coil loudspeaker voice coil 34 while effectively alleviate the weight of speech coil framework 32, thus effectively can promote the sensitivity of vibration-sound generating device.
As Fig. 1 and Fig. 5 jointly shown in, magnetic circuit system comprises two blocks of bar magnets 40, the polarity of two blocks of magnet is contrary, the plane at two pieces of magnet 40 places and the plane parallel at voice coil loudspeaker voice coil 34 place, and the bearing of trend of two blocks of magnet 40 is consistent with the bearing of trend of the straight flange of voice coil loudspeaker voice coil 34.Two blocks of magnet 40 are fixed on a mass 42 side by side, and mass 42 is rectangle, and the bearing of trend on its long limit is consistent with the bearing of trend of magnet 40.Position on mass 42 in the middle of corresponding two blocks of magnet 40 is provided with one for preventing the spacing fin 422 of the mutual adhesive of two blocks of magnet 40, and the bearing of trend of spacing fin 422 is identical with the bearing of trend of magnet 40, namely perpendicular with its direction of vibration.The structure that magnet 40 and mass 42 are fixed as one is suspended in the enclosure by an elastic supporting member for supporting optical member 46.
As Fig. 1 and Fig. 5 jointly shown in, elastic supporting member for supporting optical member 46 is loop configuration, and the shell fragment identical by two-strip structure is formed, and these two shell fragments are symmetrical arranged, and magnet 40 and mass 42 are fixed on the inner side of elastic supporting member for supporting optical member 46.The middle part on long limit, the both sides that elastic supporting member for supporting optical member 46 is relative is fixedly connected with the side of two blocks of magnet 40 respectively, the bearing of trend of this both sides side and the direction of vibration of mass 42 and magnet 40 perpendicular; The both sides minor face of elastic supporting member for supporting optical member 46 is fixedly connected with the both sides sidewall of lower house 12, and the bearing of trend of this both sides side parallels with the direction of vibration of mass 42 and magnet 40.Article two, the two ends of shell fragment are equipped with the first fixed part 460 be fixedly connected with lower house 12, article two, the centre of shell fragment is the second fixed part 462 be fixedly connected with magnet 40, all be connected by bending part 466a transition between first fixed part 460 with the second fixed part 462, first fixed part of two identical one end of shell fragment connects and the common side minor face forming elastic supporting member for supporting optical member 46.Spacing between two the second fixed parts 462 is less than the spacing between the bending part 466a at two ends, and namely the center of elastic supporting member for supporting optical member 46 is for narrowing structure, and this narrows the compliance that structure is conducive to increasing elastic supporting member for supporting optical member 46, reduces resonance frequency.The bending part 466a being positioned at four bights is arc transition, and the profile of whole elastic supporting member for supporting optical member 46 is approximately two the M shapes snapped together.The x-axis restoring force (direction of x-axis is consistent with direction of vibration) that the arc transition of corner can provide a symmetry good when being connected to magnet vibration.Be provided with a supporting plate 464 between two the second fixed parts 462, the two ends of supporting plate 464 are fixedly connected with the lower edge of two the second fixed parts 462 respectively, and the width of supporting plate 464 is consistent with the length of the second fixed part 462.The shell fragment of two M shapes is connected as one by this supporting plate 464.Supporting plate 464 can effectively prevent magnet 40 and mass 42 from coming off from elastic supporting member for supporting optical member 46, improves the reliability of vibration-sound generating device, and effectively extends the useful life of vibration-sound generating device.
As Fig. 1, Fig. 4 and Fig. 6 jointly shown in, the position of the corresponding supporting plate 464 in downside of mass 42 is provided with a location notch 420, supporting plate 464 is stuck in location notch 420, when assembling, magnet 40 and mass 42 can be fixed on elastic supporting member for supporting optical member 46 by assembler accurately, serve positioning action, simplify assembly difficulty, improve consistency and the product qualified rate of product.
As Fig. 1, Fig. 4, Fig. 5 and Fig. 6 jointly shown in, in present embodiment, preferred upper shell 10 is for having the metal material of magnetic conduction function, can optimize the distribution in magnetic field, but can attract each other with magnet 40, makes magnet 40 and mass 42 increase.Rise to prevent magnet 40 and mass 42, the position that mass 42 is provided with spacing fin 422 protrudes from the two ends of mass 42 along the bearing of trend (namely in the direction that direction of vibration is perpendicular) of spacing fin 422, forms two protuberances 424.The inner side of elastic supporting member for supporting optical member 46 is to the position of two protuberances 424 fixing a guide vane end stop 44 respectively, and namely two guide vane end stops 44 are separately fixed at the medial center position of the both sides minor face of elastic supporting member for supporting optical member 46, are equivalent to be fixed on lower house 12.Guide vane end stop 44 comprises the joint portion 440 fixing with elastic supporting member for supporting optical member 46, this joint portion 440 vertically arranges and is fitted on the madial wall of elastic supporting member for supporting optical member 46, the center of upper end, joint portion 440 bends inwards and forms the limiting section 442 vertical with joint portion 440, and limiting section 442 is horizontally set on the top of protuberance 424.Guide vane end stop 44 can effectively prevent magnet 40 and mass 42 from rising, and is optimizing Distribution of Magnetic Field, improve voice coil loudspeaker voice coil 34 stressed in magnetic field while ensure that the performance of vibration-sound generating device and normally work.
As shown in Figure 1, Figure 2, Fig. 3 and Fig. 4 jointly shown in; because upper shell 10 is metal material; in order to ensure combining closely of vibration-sound generating device and portable electric appts; upper shell 10 is pasted with a bullet pad 24; bullet pad 24 can improve combining closely between vibration-sound generating device and portable electric appts; upper shell 10 also can be protected simultaneously to be extruded distortion, to serve cushioning effect.
Embodiment two:
Present embodiment is substantially identical with embodiment one, and its difference is:
As shown in Figure 8, the bending part 466b of elastic supporting member for supporting optical member is provided with hollow out 4660, namely on four bending part 466b, be equipped with the perforate that a bending direction along bending part 466b extends, the setting of hollow out 4660 further can promote the compliance of elastic supporting member for supporting optical member, reduces the resonance frequency of vibration-sound generating device.
As shown in Figure 1, the operation principle of the utility model vibration-sound generating device is as follows:
When leading to alternating current to voice coil loudspeaker voice coil 34, the effect of Lorentz force is subject in the magnetic field that voice coil loudspeaker voice coil 34 can produce at magnet 40, the magnetic line of force that magnet 40 produces can pass perpendicularly through voice coil loudspeaker voice coil 34, according to left hand rule, voice coil loudspeaker voice coil 34 can be subject to the Lorentz force of horizontal direction, voice coil loudspeaker voice coil 34 will vibrate in the horizontal direction, thus drives diaphragm oscillations sounding; According to the principle of active force and reaction force, magnet 40 can be subject to a reverse active force, because magnet 40 and mass 42 suspend in the enclosure by elastic supporting member for supporting optical member, therefore when voice coil loudspeaker voice coil 34 vibrates in the horizontal direction, magnet 40 and mass 42 also can vibrate in the horizontal direction, thus realize vibrating function.
The utility model vibration-sound generating device changes the voice coil loudspeaker voice coil of original vibration-sound generating device into flat voice coil loudspeaker voice coil, original vertical vibration is changed into horizontal direction vibration, thus it is little also to have thickness while achieving sounding and vibrating function, performance is good, structure is simple, assembly difficulty is low, the advantage that production efficiency is high.
The first fixed part related in this specification and the name of the second fixed part are only to distinguish technical characteristic, do not represent position relationship therebetween, assembling sequence and job order etc.
The utility model is not limited to above-mentioned concrete execution mode, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, all conversion made, all drop within protection range of the present utility model.
Claims (11)
1. vibration-sound generating device, comprise shell and the vibrational system be contained in described shell and magnetic circuit system, a side of described shell is provided with phonate hole, it is characterized in that,
Described vibrational system comprises vibrating diaphragm, voice coil loudspeaker voice coil and the speech coil framework for being connected described vibrating diaphragm and described voice coil loudspeaker voice coil, and the plane at described vibrating diaphragm place parallels with the side at described phonate hole place; Described voice coil loudspeaker voice coil is flat structure, the plane being perpendicular at described voice coil loudspeaker voice coil place plane and described vibrating diaphragm place;
Described magnetic circuit system comprises magnet, the plane at described magnet place and the plane parallel at described voice coil loudspeaker voice coil place;
Described vibration-sound generating device also comprises mass and elastic supporting member for supporting optical member, and described magnet and described mass are fixed as one, and described mass and described magnet are suspended in described shell by described elastic supporting member for supporting optical member;
Described elastic supporting member for supporting optical member is loop configuration, described mass and described magnet are positioned at the inner side of described elastic supporting member for supporting optical member, the dual-side that described elastic supporting member for supporting optical member is relative is fixedly connected with described magnet, the bearing of trend of this dual-side and the direction of vibration of described mass and described magnet perpendicular, the another dual-side of described elastic supporting member for supporting optical member is fixing on the housing.
2. vibration-sound generating device according to claim 1, is characterized in that, the position that described elastic supporting member for supporting optical member is fixedly connected with described magnet is positioned at the center of this dual-side, and the spacing of this dual-side center is less than the spacing at its two ends.
3. vibration-sound generating device according to claim 2, is characterized in that, between the dual-side that described elastic supporting member for supporting optical member is adjacent, arc transition connects.
4. vibration-sound generating device according to claim 3, is characterized in that, is provided with a supporting plate between the center of the dual-side that described elastic supporting member for supporting optical member is fixedly connected with described magnet, and the two ends of described supporting plate are fixedly connected with the lower limb of this dual-side respectively.
5. vibration-sound generating device according to claim 4, is characterized in that, described elastic supporting member for supporting optical member is made up of the shell fragment that two-strip structure is identical, and two described shell fragments are symmetrical arranged, and are connected as one by described supporting plate; The profile of described elastic supporting member for supporting optical member is approximately two M snapped together.
6. the vibration-sound generating device according to claim 4 or 5, is characterized in that, the position of the corresponding described supporting plate in downside of described mass is provided with a location notch, and described supporting plate is stuck in described location notch.
7. the vibration-sound generating device according to the arbitrary claim of claim 1 to 5, it is characterized in that, described speech coil framework is laminated structure, described voice coil loudspeaker voice coil is fixed on described speech coil framework, described vibrating diaphragm is provided with the grafting boss protruded to described voice coil loudspeaker voice coil direction, described grafting boss is provided with spliced eye, and the end grafting of described speech coil framework is fixed in described spliced eye.
8. vibration-sound generating device according to claim 7, is characterized in that, described shell comprises upper shell and lower house, and the side of described upper shell and described lower house is connected as one by a side cover, and described phonate hole is arranged on described side cover; Described vibrating diaphragm comprises and the ring portion that described side cover injection moulding is combined and the reinforcement part that is fixed in the middle part of described ring portion, and described grafting boss is positioned on described reinforcement part.
9. vibration-sound generating device according to claim 7, is characterized in that, described speech coil framework comprises the identical and symmetrically arranged two panels skeleton of structure, and the two ends of described voice coil loudspeaker voice coil are separately fixed on skeleton described in two panels; Skeleton described in two panels is all printed with circuit, one end of skeleton described in two panels is all fixed with described vibrating diaphragm grafting, the other end is equipped with the connecting portion be electrically connected with external circuit, described socket connection end is connected with the fixed part for fixing described voice coil loudspeaker voice coil, has flexible linking arm be connected between described fixed part with described connecting portion by one.
10. the vibration-sound generating device according to the arbitrary claim of claim 1 to 5, it is characterized in that, described magnet is provided with two pieces, described mass between two blocks of described magnet is provided with the spacing fin for isolating two blocks of described magnet, bearing of trend and its direction of vibration of described spacing fin are perpendicular; The position that described mass is provided with described spacing fin protrudes from the two ends of described mass along the bearing of trend of described spacing fin, and the top of this protruding parts, two ends of corresponding described mass is provided with the guide vane end stop for preventing described magnet and described mass from rising.
11. vibration-sound generating devices according to the arbitrary claim of claim 3 to 5, it is characterized in that, the arc transition junction between the adjacent dual-side of described elastic supporting member for supporting optical member is equipped with hollow out.
Priority Applications (1)
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| CN201520647606.4U CN204929245U (en) | 2015-08-25 | 2015-08-25 | Vibration sounding apparatus |
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| CN201520647606.4U CN204929245U (en) | 2015-08-25 | 2015-08-25 | Vibration sounding apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105101022A (en) * | 2015-08-25 | 2015-11-25 | 歌尔声学股份有限公司 | Vibration sounding apparatus |
| CN105812998A (en) * | 2016-04-27 | 2016-07-27 | 创达电子(潍坊)有限公司 | Balanced armature loudspeaker |
-
2015
- 2015-08-25 CN CN201520647606.4U patent/CN204929245U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105101022A (en) * | 2015-08-25 | 2015-11-25 | 歌尔声学股份有限公司 | Vibration sounding apparatus |
| WO2017031861A1 (en) * | 2015-08-25 | 2017-03-02 | 歌尔声学股份有限公司 | Vibrating acoustic device |
| CN105101022B (en) * | 2015-08-25 | 2018-11-09 | 歌尔股份有限公司 | Vibration-sound generating device |
| CN105812998A (en) * | 2016-04-27 | 2016-07-27 | 创达电子(潍坊)有限公司 | Balanced armature loudspeaker |
| CN105812998B (en) * | 2016-04-27 | 2018-07-17 | 创达电子(潍坊)有限公司 | A kind of balanced armature loud speaker |
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Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |
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