CN203387669U - Bass loudspeaker - Google Patents
Bass loudspeaker Download PDFInfo
- Publication number
- CN203387669U CN203387669U CN201320245380.6U CN201320245380U CN203387669U CN 203387669 U CN203387669 U CN 203387669U CN 201320245380 U CN201320245380 U CN 201320245380U CN 203387669 U CN203387669 U CN 203387669U
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- CN
- China
- Prior art keywords
- vibrating diaphragm
- driver element
- woofer
- shell
- ball top
- 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 - Lifetime
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The utility model discloses a bass loudspeaker. The bass loudspeaker comprises a flat diaphragm, driving units, and a shell for fixing and combining the diaphragm and the driving units. The diaphragm comprises a rigid spherical top located at the central position and bending ring parts located at the edge positions, the driving units are at least three independent structures, and are combined at one side of the spherical top of the diaphragm close to the shell dispersedly, and the shell is equipped with the installing holes which are arranged to correspond the driving units respectively and accommodate and fix the driving unit respectively, wherein the ratio of the equivalent radius of the spherical top and the widths of the bending ring parts is within a numerical value range greater than 3. According to the structure of the utility model, the driving units are conducive to driving the diaphragm evenly, the diaphragm is conducive to radiating a good low frequency signal, and the low frequency sound effect of the bass loudspeaker having the plurality of driving units can be improved.
Description
Technical field
The utility model relates to the electroacoustic field, is specifically related to a kind of woofer.
Background technology
Along with social progress and the development of technology, in recent years, the slimming increasingly of the electronic products such as television set, people are also more and more higher to the performance requirement of these electronic products, thereby the thickness that also requires supporting electronic component with it also reducing, performance and consistency improve constantly.
The woofer of traditional structure adopts the vibrating diaphragm of taper cone shape usually, and the center of conical diaphragm comprises a voice coil loudspeaker voice coil, and the size of magnetic circuit system is larger also thicker.The woofer of this structure, the thickness of product is larger, can't meet the current electronic product demand of slimming increasingly, and practicality is not strong.
And woofer has larger bore usually in order to guarantee its low frequency sound effect, has larger vibrating diaphragm area.If adopt a tabular vibrating diaphragm, be combined with the structure (voice coil loudspeaker voice coil need to be positioned at submarginal position) of a voice coil loudspeaker voice coil, large-area vibrating diaphragm requires the voice coil loudspeaker voice coil size also larger, and the coiling difficulty is more yielding.In addition, the magnet size of existing woofer is larger, and during the slimming application, washer and basin frame thickness are all less, and magnetic circuit system is easily saturated, and magnet performance surplus, cause waste, and cost is higher.
Based on above factor, need to the product of traditional structure be improved.Therefore, be necessary the woofer of this structure is improved, to avoid above-mentioned defect.
The utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of woofer, can make the driving vibrating diaphragm that driver element can balance and produce good low frequency sound effect, improves the acoustical behavior of woofer.
To achieve these goals, the utility model provides a kind of woofer, comprises flat vibrating diaphragm, driver element, and the shell of the described vibrating diaphragm of secure bond and described driver element; Described vibrating diaphragm comprises the ball top of the rigidity that is positioned at center and is positioned at the ring section of marginal position; Described driver element is at least three independently structures, the ball top that is incorporated into vibrating diaphragm disperseed is near a side of described shell, described shell is provided with the installing hole of accommodating fixing described driver element of corresponding each driver element setting, wherein, the ratio of the equivalent redius at described ball top and described ring section width is in being greater than 3 number range.
In addition, preferably scheme is, described shell comprises plane mounting plane and the sidewall arranged around described mounting plane, and described vibrating diaphragm is incorporated into the upper side of described sidewall; Described mounting plane is provided with installing hole and phonate hole, and described phonate hole is to avoid the structure that described installing hole arranges.
In addition, preferably scheme is, described driver element comprises voice coil unit and magnetic circuit system, and magnetic circuit system is provided with the magnetic gap of accommodating fixing described voice coil unit.
In addition, preferred scheme is, it is characterized in that, in the number range of ratio between 3 to 100 of the equivalent redius at described ball top and described ring section width.
In addition, preferably scheme is, described vibrating diaphragm is rectangular configuration, and driver element is four, and four described driver elements lay respectively at four bights at ball top.
In addition, preferred scheme is that described ball top is formed by honeycomb or foaming body structure.
In addition, preferably scheme is, the described ring employing PU of section or silastic structure.
In addition, preferred scheme is that the size of each described driver element is identical with acoustical behavior.
In addition, preferred scheme is that described shell adopts aluminum alloy materials.
After adopting technique scheme, with traditional structure, compare, this proportionate relationship of the utility model vibrating diaphragm is conducive to driver element and drives evenly vibrating diaphragm, is conducive to vibrating diaphragm and gives off good low frequency signal, can improve the low frequency sound effect of this multi-drive woofer.
The accompanying drawing explanation
By below in conjunction with accompanying drawing, the utility model being described, above-mentioned feature of the present utility model and technological merit will become apparent and easily understand.
Fig. 1 is the explosive view of the utility model woofer;
Fig. 2 is the stereogram after the utility model woofer shell and driver element combination;
Fig. 3 is the cross-sectional view of the utility model woofer;
Fig. 4 is the perspective view of the utility model woofer vibrating diaphragm.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is done to further detailed description.
As shown in Figure 1, woofer comprises vibrating diaphragm, is incorporated into the driver element 3 of vibrating diaphragm downside, and accommodates the fixedly shell 2 of vibrating diaphragm and driver element 3.The structure that vibrating diaphragm is wide aperture, to guarantee the low frequency sound effect of product, the present embodiment vibrating diaphragm is rectangular configuration to the area of vibrating diaphragm, but is not limited to this structure, as adopted circle greatly.Wherein vibrating diaphragm comprises the ball top 11 and the ring section 12 that is positioned at marginal position of the rigidity that is positioned at center, and ball top 11 can be by mode secure bond such as bondings with ring section 12; Ball top 11 can adopt the low weight and reasonable material of rigidity of the quality such as alveolate texture or foaming body structure; Ring section can adopt the material that PU or silastic material etc. are softer with respect to ball top 11, makes vibrating diaphragm up-down vibration freely.Vibrating diaphragm is combined with driver element 3 near a side of shell 2, and driver element 3 comprises a plurality of independently structures.Also comprise the electrical connector 4 that is electrically connected to internal circuit and external circuit, electrical connector 4 is FPCB, one side of electrical connector 4 is incorporated into the side of shell 2 near vibrating diaphragm, and a side is incorporated into the side of shell 2 away from vibrating diaphragm, and driver element 3 is electrically connected in the side near vibrating diaphragm with electrical connector 4.
As depicted in figs. 1 and 2, shell 2 comprises the mounting plane that is positioned at center and the sidewall arranged around center, and mounting plane is provided with the installing hole 21 that fixed drive unit 3 is installed, and the phonate hole 22 that is communicated with shell 2 both sides.Installing hole 21 is accommodated structure behind fixed drive unit 3 as shown in Figure 2.Phonate hole 22 comprises the center phonate hole 221 that is positioned at center and the edge phonate hole 222 that is positioned at marginal position, and phonate hole 22 should be avoided installing hole 21 and arrange, and keeps a determining deviation, to guarantee the intensity of shell 2.Preferably, shell 2 adopts aluminum alloy materials, to guarantee the intensity of shell 2, and is convenient to heat radiation.Wherein, the size of center phonate hole 221 is greater than the size of edge phonate hole 222, and this structural design is the air-flow that the air-flow of the generation in order to guarantee the vibrating diaphragm center produces more than the vibrating diaphragm marginal position, thereby the air-flow of shell 2 both sides can be circulated smoothly.Electrical connector 4 is incorporated into the both sides of center phonate hole 221, as shown in Figure 2.
As shown in Figure 3, driver element only comprises voice coil unit 31 and magnetic circuit system, and magnetic circuit system comprises washer 32, magnet 33 and the magnetic conduction T iron 34 of combination successively, and voice coil unit 31 is accommodated in the magnetic gap that is fixed in magnetic circuit system formation.The upside of voice coil unit 31 directly with the vibrating diaphragm secure bond, after voice coil unit 31 is connected the signals of telecommunication, forced vibration in magnetic circuit system, the vibration of the vibration drive heavy caliber vibrating diaphragm that the utility model can be by a plurality of voice coil units 31 is sounded.Wherein, the quantity of driver element is at least three, and scattering device, with the driving vibrating diaphragm of balance, makes the vibration that vibrating diaphragm can balance.The size of the present embodiment driver element is identical with performance, but is not limited to this structure.The structure of this large-scale vibrating diaphragm with small drive units driving woofer can reduce the thickness of woofer, to adapt to the slimming development trend of current electronic product, makes the woofer practicality of this structure stronger.
In the present embodiment, driver element 3 is incorporated on ball top 11, to guarantee the stable bond between voice coil unit 31 and vibrating diaphragm.Vibrating diaphragm is rectangular configuration, and the quantity of driver element 3 is four, is arranged at respectively four bights at rectangular ball top 11, with driving vibrating diaphragm that can balance.In addition, the quantity of driver element 3 is not limited to four, also can, for more, for example, for the rectangle vibrating diaphragm, two extra driver elements can be set on two major axis of driver element.Vibrating diaphragm is not limited to rectangle, can be also circle, the quantity of the driver element that the vibrating diaphragm of circular configuration is corresponding be at least three, and arbitrary two adjacent driver elements and the angle between the center of circle are 120 degree, the quantity of the driver element that circular membrane is corresponding also can, for more, be not described in detail in this.
As Fig. 4 perspective view that is the rectangle vibrating diaphragm, the equivalent redius at definition vibrating diaphragm ball top 11 is r, the width of definition surround section 12 is d, meets r/d in the present embodiment > 3 numerical relation, wherein the equivalent redius r at ball top 11 refers to the radius of the circle that equates with ball top 11 areas.This proportionate relationship of vibrating diaphragm can make vibrating diaphragm in optimum state, is conducive to the driving vibrating diaphragm of driver element balance and gives off good low frequency signal, to improve this low frequency sound effect with woofer of multi-drive.In addition, vibrating diaphragm is not limited to rectangular configuration, can be also other structures such as circle.
Preferably, meet following relation: 3<r/d<100 between the equivalent redius r at ball top 11 and the width d of ring section 12, for rectangular flat shape woofer, there is stronger practicality in this number range, and be conducive to equally vibrating diaphragm and give off good low frequency signal, can improve the low frequency sound effect of this multi-drive woofer.
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 improvement 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 are just better explained the purpose of this utility model, and protection range of the present utility model is limited by claim and equivalent thereof.
Claims (9)
1. a woofer, comprise flat vibrating diaphragm, driver element, and the shell of the described vibrating diaphragm of secure bond and described driver element; Described vibrating diaphragm comprises the ball top of the rigidity that is positioned at center and is positioned at the ring section of marginal position; Described driver element is at least three independently structures, and the ball top that is incorporated into vibrating diaphragm of dispersion is near a side of described shell, and described shell is provided with the installing hole of accommodating fixing described driver element of corresponding each driver element setting, it is characterized in that,
The ratio of the equivalent redius at described ball top and described ring section width is in being greater than 3 number range.
2. woofer according to claim 1, is characterized in that, described shell comprises plane mounting plane and the sidewall arranged around described mounting plane, and described vibrating diaphragm is incorporated into the upper side of described sidewall; Described mounting plane is provided with installing hole and phonate hole, and described phonate hole is to avoid the structure that described installing hole arranges.
3. woofer according to claim 2, is characterized in that, described driver element comprises voice coil unit and magnetic circuit system, and magnetic circuit system is provided with the magnetic gap of accommodating fixing described voice coil unit.
4. according to the described woofer of the arbitrary claim of claims 1 to 3, it is characterized in that, in the number range of ratio between 3 to 100 of the equivalent redius at described ball top and described ring section width.
5. woofer according to claim 4, is characterized in that, described vibrating diaphragm is rectangular configuration, and driver element is four, and four described driver elements lay respectively at four bights at ball top.
6. woofer according to claim 4, is characterized in that, described ball top is formed by honeycomb or foaming body structure.
7. woofer according to claim 4, is characterized in that, the described ring employing PU of section or silastic structure.
8. woofer according to claim 4, is characterized in that, the size of each described driver element is identical with acoustical behavior.
9. woofer according to claim 2, is characterized in that, described shell adopts aluminum alloy materials.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320245380.6U CN203387669U (en) | 2013-05-08 | 2013-05-08 | Bass loudspeaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320245380.6U CN203387669U (en) | 2013-05-08 | 2013-05-08 | Bass loudspeaker |
Publications (1)
Publication Number | Publication Date |
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CN203387669U true CN203387669U (en) | 2014-01-08 |
Family
ID=49876115
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201320245380.6U Expired - Lifetime CN203387669U (en) | 2013-05-08 | 2013-05-08 | Bass loudspeaker |
Country Status (1)
Country | Link |
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CN (1) | CN203387669U (en) |
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2013
- 2013-05-08 CN CN201320245380.6U patent/CN203387669U/en not_active Expired - Lifetime
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Legal Events
Date | Code | Title | Description |
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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. |
|
CX01 | Expiry of patent term |
Granted publication date: 20140108 |
|
CX01 | Expiry of patent term |