CN204119499U - Electromagnetic loudspeaker - Google Patents

Electromagnetic loudspeaker Download PDF

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Publication number
CN204119499U
CN204119499U CN201420411738.2U CN201420411738U CN204119499U CN 204119499 U CN204119499 U CN 204119499U CN 201420411738 U CN201420411738 U CN 201420411738U CN 204119499 U CN204119499 U CN 204119499U
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CN
China
Prior art keywords
voice coil
vibrating reed
incorporated
magnetic conduction
magnet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420411738.2U
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Chinese (zh)
Inventor
宋倩倩
江超
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Goertek Inc
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Goertek Inc
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Priority to CN201420411738.2U priority Critical patent/CN204119499U/en
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Publication of CN204119499U publication Critical patent/CN204119499U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The technical solution of the utility model is: a kind of electromagnetic loudspeaker, involving vibrations assembly and driven unit, wherein, and described vibration component involving vibrations sheet and be incorporated into washer plate and the flaky magnet of vibrating reed both sides respectively; Described driven unit comprises magnetic conduction base, is incorporated into the voice coil loudspeaker voice coil of magnetic conduction base center, and to be incorporated on described magnetic conduction base and to be positioned at the drive magnet of described voice coil loudspeaker voice coil both sides; Described magnetic conduction base comprises diapire and is positioned at the sidewall of bottom wall edge, and the center of described diapire is provided with the support column supporting described voice coil loudspeaker voice coil, and described drive magnet is incorporated into the position on described diapire between described voice coil loudspeaker voice coil and described sidewall.This structure enhances the magnetic field of vibration component, can increase the active force in magnetic field between vibration component and driven unit, is conducive to strengthening vibration sense, enhances product performance.

Description

Electromagnetic loudspeaker
Technical field
The utility model relates to electro-acoustic product technical field, particularly a kind of electromagnetic loudspeaker.
Background technology
As the electromagnetic loudspeaker involving vibrations assembly of bone-conduction structure and driven unit in prior art, drive vibration component to produce vibration by driven unit, make vibration signal by the skin of people, bone transmission, thus enable people " hear " sound.Osteoacusis electromagnetic loudspeaker drives vibration component mainly through electromagnetic force, only having in traditional bone conductors electromagnetic loudspeaker vibration component can the washer plate structure of magnetic conduction, make the active force of driven unit to vibration component more weak, cause the actuating force of product not enough, vibration sense is not strong.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of electromagnetic loudspeaker, can improve the magnetic of vibration component, strengthens vibration sense, improving product performance.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of electromagnetic loudspeaker, involving vibrations assembly and driven unit, wherein, and described vibration component involving vibrations sheet and be incorporated into washer plate and the flaky magnet of vibrating reed both sides respectively; Described driven unit comprises magnetic conduction base, is incorporated into the voice coil loudspeaker voice coil of magnetic conduction base center, and to be incorporated on described magnetic conduction base and to be positioned at the drive magnet of described voice coil loudspeaker voice coil both sides; Described magnetic conduction base comprises diapire and is positioned at the sidewall of bottom wall edge, and the center of described diapire is provided with the support column supporting described voice coil loudspeaker voice coil, and described drive magnet is incorporated into the position on described diapire between described voice coil loudspeaker voice coil and described sidewall.
In addition, preferred scheme is, the upside of described vibrating reed is combined with described flaky magnet, downside relative with described flaky magnet on described vibrating reed is combined with described washer plate.
In addition, preferred scheme is, the structure of perforate centered by described vibrating reed, and described flaky magnet covers the region of described vibrating reed perforate, and described vibrating reed is integrated by the mode secure bond bondd or weld with described flaky magnet; Described vibrating reed is integrated by the mode secure bond bondd or weld with described washer plate.
In addition, preferred scheme is, described flaky magnet is racetrack structure, and described washer plate is rectangular configuration, and the area of described washer plate is greater than the area of described flaky magnet.
In addition, preferred scheme is, the diapire of described magnetic conduction base is rectangular configuration, and described sidewall is arranged on two relative minor axis limits of described bottom wall edge.
In addition, preferred scheme is, described drive magnet is rectangular configuration, and the short-axis direction along described diapire extends.
In addition, preferred scheme is, described support column is cylindrical structural, and described voice coil loudspeaker voice coil is the circulus of hollow, and described voice coil loudspeaker voice coil is sheathed on described support column.
After adopting technique scheme, compared with traditional structure, vibration component of the present utility model also comprises the magnet be combined with vibrating reed except comprising vibrating reed and washer plate, therefore, enhance the magnetic field of vibration component, the active force in magnetic field between vibration component and driven unit can be increased, be conducive to strengthening vibration sense, enhance product performance.
Accompanying drawing explanation
By being described the utility model below in conjunction with accompanying drawing, above-mentioned characteristic sum technological merit of the present utility model will become apparent and easy understand.
Fig. 1 is the stereo decomposing structural representation of the utility model electromagnetic loudspeaker;
Fig. 2 is the end view of the utility model electromagnetic loudspeaker.
Embodiment
Below in conjunction with the drawings and specific embodiments, further detailed description is done to the utility model.
As depicted in figs. 1 and 2, electromagnetic loudspeaker involving vibrations assembly and driven unit, wherein vibration component involving vibrations sheet 11, and the washer plate 12 being incorporated into vibrating reed 11 1 side surface.Driven unit comprises magnetic conduction base 32, is arranged at the voice coil loudspeaker voice coil 2 of magnetic conduction base 32 center, and to be incorporated on the upside of magnetic conduction base 32 and to be positioned at the drive magnet 31 of described voice coil loudspeaker voice coil 2 both sides.Wherein drive magnet 31 produces magnetostatic field, voice coil loudspeaker voice coil 2 can produce the magnetic field of alternation after connecting the signal of telecommunication (alternating signal), along with the change of alternating magnetic field can strengthen or reduce after the magnetic field superposition that the magnetic field of voice coil loudspeaker voice coil 2 generation and drive magnet 31 produce, thus with the magnetic field interaction of the washer plate 12 in vibration component, make vibrating reed 11 up-down vibration under the drive of washer plate 12, produce vibration sense.
Preferably, the utility model vibration component also comprises the flaky magnet 13 of the laminated structure being incorporated into vibrating reed 11 side, flaky magnet 13 is incorporated into side relative with washer plate 12 on vibrating reed 11 on the surface, the present embodiment washer plate 12 is incorporated into the downside surface of vibrating reed 11, and flaky magnet 13 is incorporated into the uper side surface of vibrating reed 11.This structure arranging flaky magnet 13 on vibrating reed 11 again can increase the magnetic field of vibration component, thus can increase the interaction force between driven unit and vibration component, increases the amplitude of vibration component, the vibration sense of electromagnetic loudspeaker is strengthened.Wherein, flaky magnet 13 is consistent with the magnetizing direction of drive magnet 31.
Preferably, the structure of perforate centered by vibrating reed 11, flaky magnet 13 is incorporated into the center on the upside of vibrating reed 11, and covers the central perforated area of vibrating reed 11.The structure that this vibrating reed 11 center hollows out can alleviate the quality of vibration component, is conducive to the sensitivity improving product.Flaky magnet 13 is integrated by the mode secure bond bondd or weld with vibrating reed 11, the area of flaky magnet 13 is greater than the area of vibrating reed 11 center drilling, the lower edge of flaky magnet 13 and the upper edge secure bond of vibrating reed 11 center drilling, as shown in Figure 2.The present embodiment flaky magnet 13 is consistent with the shape of vibrating reed 11 center drilling, is racetrack structure, is conducive to making full use of of magnetic field.
The washer plate 12 be positioned in the present embodiment on the downside of vibrating reed 11 is rectangular configuration, the area of the washer plate 12 of rectangular configuration is greater than the area of flaky magnet 13, large and the structure that is positioned on the downside of vibrating reed 11 of the Area comparison of this washer plate 12, the active force in magnetic field between vibration component and driven unit can be increased, be conducive to strengthening vibration sense, enhance product performance.Equally, washer plate 12 is integrated by the mode secure bond bondd or weld with vibrating reed 11.
Magnetic conduction base 32 in driven unit comprises diapire 320 and sidewall 322, and wherein diapire 320 is provided with support column 321 near the center of vibration component side; Diapire 320 is rectangular configuration, and two minor axises of rectangular bottom wall 320 are provided with relative two side 322, and two major axis of diapire 320 are that open structure does not arrange sidewall.The present embodiment support column 321 is cylindrical structural, for sheathed voice coil loudspeaker voice coil 2, there is centered by voice coil loudspeaker voice coil 2 loop configuration of perforate, voice coil loudspeaker voice coil 2 is sheathed on after on support column 321 can the position of first accordatura circle 2, the utility model is not limited to this cylindrical structural, also can be rectangular configuration, the perforate at corresponding voice coil loudspeaker voice coil 2 center be also rectangular configuration.Be provided with drive magnet 31 between voice coil loudspeaker voice coil 2 and sidewall 321, as shown in Figure 2, the present embodiment drive magnet 31 is rectangular configuration, and the direction along sidewall 322 extends.
Under above-mentioned instruction of the present utility model; those skilled in the art can carry out other improvement and distortion on the basis of above-described embodiment; and these improve and distortion; all drop in protection range of the present utility model; those skilled in the art should be understood that; above-mentioned specific descriptions just better explain the purpose of this utility model, and protection range of the present utility model is by claim and equivalents thereof.

Claims (7)

1. an electromagnetic loudspeaker, involving vibrations assembly and driven unit, is characterized in that,
Described vibration component involving vibrations sheet and be incorporated into washer plate and the flaky magnet of vibrating reed both sides respectively;
Described driven unit comprises magnetic conduction base, is incorporated into the voice coil loudspeaker voice coil of magnetic conduction base center, and to be incorporated on described magnetic conduction base and to be positioned at the drive magnet of described voice coil loudspeaker voice coil both sides;
Described magnetic conduction base comprises diapire and is positioned at the sidewall of bottom wall edge, and the center of described diapire is provided with the support column supporting described voice coil loudspeaker voice coil, and described drive magnet is incorporated into the position on described diapire between described voice coil loudspeaker voice coil and described sidewall.
2. electromagnetic loudspeaker according to claim 1, is characterized in that, the upside of described vibrating reed is combined with described flaky magnet, downside relative with described flaky magnet on described vibrating reed is combined with described washer plate.
3. electromagnetic loudspeaker according to claim 2, it is characterized in that, the structure of perforate centered by described vibrating reed, described flaky magnet covers the region of described vibrating reed perforate, and described vibrating reed is integrated by the mode secure bond bondd or weld with described flaky magnet; Described vibrating reed is integrated by the mode secure bond bondd or weld with described washer plate.
4. electromagnetic loudspeaker according to claim 2, is characterized in that, described flaky magnet is racetrack structure, and described washer plate is rectangular configuration, and the area of described washer plate is greater than the area of described flaky magnet.
5. electromagnetic loudspeaker according to claim 1, is characterized in that, the diapire of described magnetic conduction base is rectangular configuration, and described sidewall is arranged on two relative minor axis limits of described bottom wall edge.
6. electromagnetic loudspeaker according to claim 5, is characterized in that, described drive magnet is rectangular configuration, and the short-axis direction along described diapire extends.
7. the electromagnetic loudspeaker according to the arbitrary claim of claim 1 to 6, is characterized in that, described support column is cylindrical structural, and described voice coil loudspeaker voice coil is the circulus of hollow, and described voice coil loudspeaker voice coil is sheathed on described support column.
CN201420411738.2U 2014-07-24 2014-07-24 Electromagnetic loudspeaker Expired - Fee Related CN204119499U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420411738.2U CN204119499U (en) 2014-07-24 2014-07-24 Electromagnetic loudspeaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420411738.2U CN204119499U (en) 2014-07-24 2014-07-24 Electromagnetic loudspeaker

Publications (1)

Publication Number Publication Date
CN204119499U true CN204119499U (en) 2015-01-21

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105959848A (en) * 2016-05-13 2016-09-21 杨金粘 Manufacturing technology of earphone vibrator and manufactured earphone vibrator
CN111162650A (en) * 2020-01-21 2020-05-15 深圳市万至达电机制造有限公司 A voice coil vibration motor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105959848A (en) * 2016-05-13 2016-09-21 杨金粘 Manufacturing technology of earphone vibrator and manufactured earphone vibrator
CN111162650A (en) * 2020-01-21 2020-05-15 深圳市万至达电机制造有限公司 A voice coil vibration motor

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

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.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150121

CF01 Termination of patent right due to non-payment of annual fee