CN203301727U - Bass loudspeaker - Google Patents
Bass loudspeaker Download PDFInfo
- Publication number
- CN203301727U CN203301727U CN201320245270XU CN201320245270U CN203301727U CN 203301727 U CN203301727 U CN 203301727U CN 201320245270X U CN201320245270X U CN 201320245270XU CN 201320245270 U CN201320245270 U CN 201320245270U CN 203301727 U CN203301727 U CN 203301727U
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- CN
- China
- Prior art keywords
- vibrating diaphragm
- shell
- woofer
- phonate hole
- driver element
- 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.)
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Abstract
The utility model discloses a bass loudspeaker which comprises a flat diaphragm, driving units and a housing fixedly combining the diaphragm and the driving units, wherein the driving units comprise three independent structures, each comprises a voice coil unit and a magnetic circuit system, the voice coil units are combined on the diaphragm at the side close to the housing in a scattered manner, and installation holes for receiving and fixing the driving units are correspondingly arranged in the housing. Sounding holes communication with the external world are arranged on the housing, and the ratio of the total area of the sounding holes to the orthographic projection area of the diaphragm on the housing is smaller than 0.9. The bass loudspeaker employing such a structure ensures smoother air-flow circulation, and improved in acoustic performance.
Description
Technical field
The utility model relates to the electroacoustic field, is specifically related to a kind of woofer.
Background technology
Along with the progress of society 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 present 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, namely 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 promote the smoothness of airflow, and 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 driver element is at least three independently structures, include voice coil unit and magnetic circuit system, the side that is incorporated into the close shell of vibrating diaphragm that each described voice coil unit disperses, described shell is provided with the installing hole of accommodating fixing described driver element of corresponding each driver element setting, wherein, described shell is provided with the phonate hole that is in communication with the outside, and the described phonate hole gross area and described vibrating diaphragm at the ratio of frontal projected area on shell in the number range less than 0.9.
In addition, preferred scheme is, described vibrating diaphragm comprises the ball top of the rigidity that is positioned at center and be positioned at the ring section of marginal position, described driver element and described ring section secure bond.
In addition, preferably scheme is, described shell comprises plane mounting plane and the sidewall that arranges around described mounting plane, and described vibrating diaphragm is incorporated into the upper side of described sidewall; Described mounting plane is provided with described installing hole and described phonate hole, and described phonate hole is to avoid the structure that described installing hole arranges.
In addition, preferably scheme is, described vibrating diaphragm is rectangular configuration, and the quantity of driver element is four, and four described driver elements lay respectively at De Sige bight, ball top; And the described phonate hole gross area and described vibrating diaphragm to the ratio of shell frontal projected area in 0.2 to 0.6 number range.
In addition, preferably scheme is, described vibrating diaphragm is rectangular configuration, and the quantity of driver element is six; And the described phonate hole gross area and described vibrating diaphragm to the ratio of shell frontal projected area in 0.2 to 0.6 number range.
In addition, preferred scheme is that described phonate hole comprises the center phonate hole that is positioned at center and is positioned at the edge phonate hole of marginal position, and the aperture of described center phonate hole is greater than the aperture of described edge phonate hole.
In addition, preferred scheme is that described shell adopts aluminum alloy materials.
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.
After adopting technique scheme, with traditional structure, compare, this structure of the present utility model is provided with phonate hole on shell, and the phonate hole gross area and vibrating diaphragm at the ratio of frontal projected area on shell in the number range less than 0.9, this structure can promote the smoothness of airflow, thereby improves the acoustical behavior of product.
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 stereo decomposing structural representation of the utility model embodiment mono-woofer.
Fig. 2 is the stereogram after the utility model embodiment mono-woofer shell and driver element combination.
Fig. 3 is the cross-sectional view one of the utility model embodiment mono-woofer.
Fig. 4 is the cross-sectional view two of the utility model embodiment mono-woofer.
Fig. 5 is the stereo decomposing structural representation of the utility model embodiment bis-woofers.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is done to further detailed description.
Embodiment mono-:
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.Vibrating diaphragm is the structure of wide aperture, and namely 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; Low weight and the reasonable material of rigidity of the quality such as alveolate texture or foaming body structure can be adopted in ball top 11; Ring section can adopt the materials softer with respect to ball top 11 such as PU or silastic material, 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 and a side that is incorporated into shell 2 close vibrating diaphragms, 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 that arranges 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 accommodate behind fixed drive unit 3 structure 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 for the generation that guarantees 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 was connected the signals of telecommunication, the vibration of the vibration drive heavy caliber vibrating diaphragm that forced vibration in magnetic circuit system, the utility model can be by a plurality of voice coil units 31 was 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 be for more.Vibrating diaphragm is not limited to rectangle, also can be circle, the quantity of the driver element that the vibrating diaphragm of circular configuration is corresponding is 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.
Fig. 4 is the cutaway view of another angle of the present embodiment woofer (perpendicular to the phonate hole bearing of trend), as can be known in conjunction with Fig. 1 and Fig. 2 again, center phonate hole 221 and edge phonate hole 222 are the strip structure, the aperture of center phonate hole 221 is greater than the aperture of edge phonate hole 222, and the area of the vibrating diaphragm of center phonate hole 221 correspondences is also greater than the vibrating diaphragm area of edge phonate hole 222 correspondences.This structure of phonate hole can guarantee that the air-flow of vibrating diaphragm generation of vibration is transferred to the external world by phonate hole timely, to guarantee the acoustical behavior of product.Preferably, the phonate hole gross area and vibrating diaphragm in the number range less than 0.9, to promote the smoothness of airflow, improve the acoustical behavior of this woofer at the ratio of frontal projected area on shell 2.Wherein, vibrating diaphragm is that vibrating diaphragm is in the frontal projected area perpendicular on its direction of vibration at the area of orthographic projection on shell 2.In addition, for this woofer with four driver elements, the Area comparison of phonate hole is large, and is preferred, the phonate hole gross area and vibrating diaphragm at the ratio of frontal projected area on shell 2 in 0.2 to 0.6 number range.This structure can be guaranteed the smoothness of airflow, and can guarantee the performances such as the intensity of shell and heat radiation.
Embodiment bis-:
As shown in Figure 5, woofer comprises vibrating diaphragm, is incorporated into the driver element 3 ' of vibrating diaphragm downside, and shell 2 '; 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.The present embodiment has six driver elements 3 ', comprises four driver elements 3 ' that are incorporated into 11 ' four bights, rectangular ball top and two driver elements 3 ' that are incorporated into 11 ' major axis center, ball top.On shell 2 ' be provided with the installing hole 21 ' of accommodating fixed drive unit 3 ' that corresponding each driver element 3 ' arranges, and the phonate hole 22 ' that is communicated with shell 2 ' both sides, the present embodiment comprises the phonate hole 22 ' of the circular configuration that is positioned at center and is positioned at the phonate hole 22 ' of the bar shaped of marginal position.For this woofer with six driver elements, preferred, the ratio of the phonate hole gross area and vibrating diaphragm frontal projected area on shell 2 ' is in 0.1 to 0.4 number range.This structure can be guaranteed the smoothness of airflow, and can guarantee the performances such as the intensity of shell and heat radiation.
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 driver element is at least three independently structures, include voice coil unit and magnetic circuit system, the side that is incorporated into the close shell of vibrating diaphragm that each described voice coil unit disperses, 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
Described shell is provided with the phonate hole that is in communication with the outside, and the described phonate hole gross area and described vibrating diaphragm at the ratio of frontal projected area on shell in the number range less than 0.9.
2. woofer according to claim 1, is characterized in that, described vibrating diaphragm comprises the ball top of the rigidity that is positioned at center and be positioned at the ring section of marginal position, described driver element and described ring section secure bond.
3. woofer according to claim 2, is characterized in that, described shell comprises plane mounting plane and the sidewall that arranges around described mounting plane, and described vibrating diaphragm is incorporated into the upper side of described sidewall; Described mounting plane is provided with described installing hole and described phonate hole, and described phonate hole is to avoid the structure that described installing hole arranges.
4. woofer according to claim 3, is characterized in that, described vibrating diaphragm is rectangular configuration, and the quantity of driver element is four, and four described driver elements lay respectively at De Sige bight, ball top;
And the described phonate hole gross area and described vibrating diaphragm to the ratio of shell frontal projected area in 0.2 to 0.6 number range.
5. woofer according to claim 3, is characterized in that, described vibrating diaphragm is rectangular configuration, and the quantity of driver element is six;
And the described phonate hole gross area and described vibrating diaphragm to the ratio of shell frontal projected area in 0.2 to 0.6 number range.
6. woofer according to claim 4, is characterized in that, described phonate hole comprises the center phonate hole that is positioned at center and is positioned at the edge phonate hole of marginal position, and the aperture of described center phonate hole is greater than the aperture of described edge phonate hole.
7. the described woofer of arbitrary claim of according to claim 1 to 6, is characterized in that, described shell adopts aluminum alloy materials.
8. the described woofer of arbitrary claim of according to claim 1 to 6, is characterized in that, described ball top is formed by honeycomb or foaming body structure.
9. the described woofer of arbitrary claim of according to claim 1 to 6, is characterized in that, the described ring employing PU of section or silastic structure.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320245270XU CN203301727U (en) | 2013-05-08 | 2013-05-08 | Bass loudspeaker |
| KR1020157034779A KR101707083B1 (en) | 2013-05-08 | 2013-05-31 | Flat Plate Type Bass Loudspeaker |
| PCT/CN2013/076556 WO2014180015A1 (en) | 2013-05-08 | 2013-05-31 | Flat plate type bass loudspeaker |
| US14/889,703 US9788121B2 (en) | 2013-05-08 | 2013-05-31 | Flat plate-type bass loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320245270XU CN203301727U (en) | 2013-05-08 | 2013-05-08 | Bass loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203301727U true CN203301727U (en) | 2013-11-20 |
Family
ID=49577703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320245270XU Expired - Lifetime CN203301727U (en) | 2013-05-08 | 2013-05-08 | Bass loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203301727U (en) |
-
2013
- 2013-05-08 CN CN201320245270XU patent/CN203301727U/en not_active Expired - Lifetime
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Legal Events
| 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. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131120 |