CN209659597U - Loudspeaker enclosure - Google Patents
Loudspeaker enclosure Download PDFInfo
- Publication number
- CN209659597U CN209659597U CN201822278288.5U CN201822278288U CN209659597U CN 209659597 U CN209659597 U CN 209659597U CN 201822278288 U CN201822278288 U CN 201822278288U CN 209659597 U CN209659597 U CN 209659597U
- Authority
- CN
- China
- Prior art keywords
- loudspeaker enclosure
- loudspeaker
- roof
- upper casing
- vibrating diaphragm
- 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
Links
- 239000000178 monomer Substances 0.000 claims abstract description 25
- 241000237983 Trochidae Species 0.000 claims abstract description 3
- 238000005192 partition Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 206010016256 fatigue Diseases 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The utility model provides a kind of loudspeaker enclosure.The loudspeaker enclosure includes upper casing, the lower casing of accommodating space is formed with top shells fit, the loudspeaker monomer being contained in accommodating space, accommodating space is separated into ante-chamber and back cavity by loudspeaker monomer, loudspeaker monomer includes the vibrating diaphragm for vibration sounding, vibrating diaphragm and upper casing interval are arranged to form the preceding operatic tunes, upper casing, which is formed with, is connected to the preceding operatic tunes and extraneous channel of speaking, it speaks channel and the preceding operatic tunes collectively forms the ante-chamber of loudspeaker enclosure, upper casing includes with the spaced roof of vibrating diaphragm and from roof to the bracket extended close to the vibrating diaphragm direction, the loudspeaker enclosure further includes the PET cover board for being covered on bracket, support assorted roof and PET cover board form resonant cavity, resonant cavity is connected to ante-chamber.High-frequency resonant peak value and sensitivity can be effectively reduced in loudspeaker enclosure provided by the utility model, improves the acoustical behavior of the loudspeaker enclosure.
Description
[technical field]
The utility model relates to electroacoustic conversion art more particularly to a kind of loudspeaker enclosures.
[background technique]
Recently as the fast development of mobile communication technology, consumer is more and more using the shifting for having phonetic function
Dynamic communication apparatus, such as: portable phone, handheld device and laptop computer etc..Playing device of the loudspeaker enclosure as voice,
It designs the speech performance that quality directly affects mobile communication equipment product.In order to meet market for slimming and high tone quality
Demand, to the design of loudspeaker enclosure, more stringent requirements are proposed.
In the related technology, loudspeaker enclosure includes upper casing, lower casing and loudspeaker monomer, and loudspeaker monomer includes vibrating diaphragm, vibrating diaphragm
The preceding operatic tunes is formed with upper casing interval, the side wall of speak channel forming and upper casing, the preceding operatic tunes and channel of speaking constitute ante-chamber, such
Structure can generate a formant in high frequency frequency response；With popularizing for mobile phone terminal stereo applications, loudspeaker is no longer pursued excessively high
High frequency frequency response, and (especially 4000Hz to 6000Hz) is excessively high to will lead to sound is ear-piercing, labiodental is sharp etc. to high frequency frequency response
The bad problem of sound quality.
Therefore, it is necessary to provide the new loudspeaker enclosure of one kind to solve drawbacks described above.
[utility model content]
The purpose of the utility model is to overcome above-mentioned technical problem, it is simple and can effectively reduce harmonic high frequency to provide a kind of structure
Vibration peak value, the loudspeaker enclosure for improving high frequency frequency response.
To achieve the goals above, the utility model provides a kind of loudspeaker enclosure, including upper casing and the top shells fit shape
Lower casing at accommodating space and the loudspeaker monomer that is contained in the accommodating space, the loudspeaker monomer is by the receipts
Hold space and be separated into ante-chamber and back cavity, the loudspeaker monomer includes the vibrating diaphragm for vibration sounding, the vibrating diaphragm and it is described on
Shell interval is arranged to form the preceding operatic tunes, and the upper casing, which is formed with, is connected to the preceding operatic tunes and extraneous channel of speaking, it is described speak it is logical
Road and the preceding operatic tunes collectively form the ante-chamber of the loudspeaker enclosure, and the upper casing includes and the spaced roof of the vibrating diaphragm
And from the roof to the bracket extended close to the vibrating diaphragm direction, the loudspeaker enclosure further includes the lid for being covered on the bracket
Plate, roof and the PET cover board described in the support assorted form resonant cavity, and the resonant cavity is connected to the ante-chamber.
Preferably, the cover board is PET cover board, the PET cover board and the bracket ultrasonic sealing.
Preferably, the PET cover board with a thickness of 0.15mm.
Preferably, the upper casing further includes from the edge of the roof to the side wall extended close to vibrating diaphragm direction bending
And extending and carry the supporting walls of the loudspeaker monomer from the roof to close to the vibrating diaphragm direction, the supporting walls are equipped with
Notch, the notch are connected to the resonant cavity and the ante-chamber.
Preferably, the opposite sides of the loudspeaker monomer is arranged in the notch for the channel of speaking.
Preferably, the bracket includes the retaining wall extended in the back cavity from the roof towards the lower casing, the gear
The opposite end of wall is connect with the supporting walls respectively, and the retaining wall and the supporting walls surround the opening towards the back cavity,
The PET cover board covers and seals the opening.
Preferably, side of the supporting walls far from the channel of speaking is towards having extended to form support in the resonant cavity
Plate, the PET cover plate lid connect in side of the support plate far from the roof.
Preferably, the distance between opposite end of the retaining wall is greater than or equal to the width of the notch.
Preferably, the upper casing further includes the side for extending from the roof towards the lower casing direction and fixing with the lower casing
The position of wall, channel of speaking described in the side wall is corresponding offers out acoustic aperture, and the upper casing further includes that one end abuts the loudspeaking
The device monomer other end extends to the partition of the acoustic aperture out, and the channel of speaking is formed between the partition and the roof.
Preferably, the roof, the partition, the supporting walls, the bracket are integrally formed.
Compared with the relevant technologies, in loudspeaker enclosure provided by the utility model, by the way that the resonant cavity being connected to ante-chamber is arranged,
High-frequency resonant peak value and sensitivity can be effectively reduced；The bracket for surrounding the resonant cavity simultaneously is contained in the loudspeaker enclosure
Accommodating space in, and be located at the supporting walls side, be not take up the height space of the loudspeaker enclosure, can satisfy loudspeaking
The lightening design requirement of device case.
[Detailed description of the invention]
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings, in which:
Fig. 1 is the schematic perspective view of loudspeaker enclosure provided by the utility model；
Fig. 2 is the decomposition texture schematic diagram of loudspeaker enclosure shown in FIG. 1；
Fig. 3 is the enlarged drawing of B area shown in Fig. 2；
Fig. 4 is cross-sectional view of the loudspeaker enclosure shown in FIG. 1 along line A-A；
Fig. 5 is the frequency response curve figure of loudspeaker enclosure provided by the utility model.
[specific embodiment]
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
All other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1 to Fig. 4, the utility model provides a kind of loudspeaker enclosure 100, and the loudspeaker enclosure 100 includes
It is upper casing 1, lower casing 2, the loudspeaker monomer 3 with vibrating diaphragm 31, PET cover board 4, resonant cavity 10, the preceding operatic tunes 20, channel 30 of speaking, preceding
Chamber 40 and back cavity 50.
The upper casing 1 for carrying and protecting the loudspeaker monomer 3, the lower casing 2 be covered on the upper casing 1 and with institute
It states upper casing 1 and cooperatively forms accommodating space, the loudspeaker monomer 3 is contained in the accommodating space, and the loudspeaker monomer 3
The accommodating space is separated into the ante-chamber 40 and the back cavity 50.The vibrating diaphragm 31 is used for vibration sounding, the upper casing 1
The preceding operatic tunes 20 is formed with the setting of the vibrating diaphragm 31 interval, the upper casing 1, the lower casing 2 and the vibrating diaphragm 31 cooperatively form
The back cavity 50.
The upper casing 1 includes with the roof 11 of 31 relative spacing of vibrating diaphragm setting, from the edge of the roof 11 to leaning on
Nearly 31 direction of vibrating diaphragm bends the side wall 12 for extending and fixing with the lower casing 2, from the roof 11 to close to the vibrating diaphragm
31 directions extend and carry the supporting walls 13 of the loudspeaker monomer 3 and from the roof 11 to close to 31 direction of vibrating diaphragm
Extend and surround the bracket 14 of the resonant cavity 10.
Specifically, the channel 30 of speaking takes shape in the upper casing 1, and it is connected to the preceding operatic tunes 20 and the external world, before described
The operatic tunes 20 and the channel 30 of speaking collectively form the ante-chamber 40, are used for sound conduction to the external world.The side wall 12 is corresponding
The position for speaking channel 30 is provided with out acoustic aperture 120, and the upper casing 1 further includes that one end abuts the loudspeaker monomer 3 separately
One end extend to it is described go out acoustic aperture 120 partition 15, the channel 30 of speaking be formed in the partition 15 and the roof 11 it
Between.
The whole supporting walls 13 are in rectangular ring structure, are located on 3 surrounding of loudspeaker monomer.The supporting walls
13 are equipped with notch 130, and the opposite sides of the loudspeaker monomer 3 is arranged in the channel 30 of speaking for the notch 130, described
Notch 130 is connected to the resonant cavity 10 and the ante-chamber 40.Preferably, the roof 11, the partition 15, the supporting walls
13 and the bracket 14 be integrally formed, the notch 130 uses the injection molding of oblique top technique.
The supporting walls 13 have extended to form support plate towards the resonant cavity 10 far from the side in the channel 30 of speaking
131, the lid of PET cover board 4 connects in side of the support plate 131 far from the roof 11.
The bracket 14 includes the retaining wall 141 extended in the back cavity 50 from the roof 11 towards the lower casing 2, described
The opposite end of retaining wall 141 is connect with the supporting walls 13 respectively, and the retaining wall 141 is surrounded with the supporting walls 13 towards institute
The opening 140 of back cavity 50 is stated, the PET cover board 4 covers and seals the opening 140.It is understood that the retaining wall 141
It is set to 13 side of supporting walls, and is contained in the back cavity 50, the height space of the loudspeaker enclosure 100 is not take up,
Meet the lightening design requirement of the loudspeaker enclosure 100.
Based on helmholtz resonance principle, the resonant cavity 10 can be formed in the resonance peak position of the ante-chamber 40 itself
Antiresonance so as to improve the flatness of 100 high frequency frequency response of loudspeaker enclosure, while also can be effectively reduced noise by before described
The effect of 40 resonance of chamber amplification, can be effectively improved the acoustical behavior of the loudspeaker enclosure 100.Referring to Fig. 5, wherein curve I is
The loudspeaker enclosure frequency response curve figure of the relevant technologies；Curve II is a kind of loudspeaker enclosure of resonant cavity size provided by the utility model
Frequency response curve figure；Curve III is the frequency response curve figure of the loudspeaker enclosure of another resonant cavity size provided by the utility model.
In conjunction with curve I, curve II and the curve III in Fig. 5 it is found that in the frequency range of 4000Hz to 6000Hz, frequency response is obviously dropped
It is low.It is understood that passing through the size for adjusting the bracket 14, thus it is possible to vary the size of the resonant cavity 10, to reach
Optimal sound effective value out.
The PET cover board 4 is covered on the bracket 14, and the PET cover board 4 and 10 face of resonant cavity are arranged, and
With 14 ultrasonic sealing of bracket.PET material intensity is big, light weight, while having excellent wearability dimensional stability, resistance to
Creep and fatigability, and it is cheap, cost performance is used with very high.Preferably, the PET cover board with a thickness of
0.15mm has saved space, so that the volume of the back cavity 50 increases, is conducive to performance boost, and can be effectively reduced described
The production cost of loudspeaker enclosure 100.
Compared with the relevant technologies, in loudspeaker enclosure 100 provided by the utility model, by be arranged be connected to ante-chamber 40 it is humorous
Shake chamber 10, and high-frequency resonant peak value and sensitivity can be effectively reduced；The bracket 14 for surrounding the resonant cavity 10 simultaneously is contained in
In the accommodating space of the loudspeaker enclosure 100, and it is located at the side of the supporting walls 13, is not take up the loudspeaker enclosure 100
Height space can satisfy the lightening design requirement of loudspeaker enclosure 100.
Above-described is only the embodiments of the present invention, it should be noted here that for the ordinary skill of this field
For personnel, without departing from the concept of the present invention, improvement can also be made, but these belong to it is practical
Novel protection scope.
Claims (10)
1. a kind of loudspeaker enclosure forms the lower casing of accommodating space including upper casing, with the top shells fit and is contained in the receipts
Hold the loudspeaker monomer in space, the accommodating space is separated into ante-chamber and back cavity, the loudspeaker by the loudspeaker monomer
Monomer includes the vibrating diaphragm for vibration sounding, and the vibrating diaphragm and the upper casing interval are arranged to form the preceding operatic tunes, and the upper casing is formed
Have and be connected to the preceding operatic tunes and extraneous channel of speaking, the channel of speaking collectively forms the loudspeaker enclosure with the preceding operatic tunes
Ante-chamber, which is characterized in that the upper casing includes with the spaced roof of the vibrating diaphragm and from the roof to close to described
The bracket that vibrating diaphragm direction extends, the loudspeaker enclosure further include the cover board for being covered on the bracket, are pushed up described in the support assorted
Wall and the cover board form resonant cavity, and the resonant cavity is connected to the ante-chamber.
2. loudspeaker enclosure according to claim 1, which is characterized in that the cover board be PET cover board, the PET cover board with
The bracket ultrasonic sealing.
3. loudspeaker enclosure according to claim 2, which is characterized in that the cover board with a thickness of 0.15mm.
4. loudspeaker enclosure according to claim 1, which is characterized in that the upper casing further include from the edge of the roof to
The side wall and extend from the roof to the close vibrating diaphragm direction and carry described raise that bending extends close to the vibrating diaphragm direction
The supporting walls of sound device monomer, the supporting walls are equipped with notch, and the notch is connected to the resonant cavity and the ante-chamber.
5. loudspeaker enclosure according to claim 4, which is characterized in that the channel of speaking is arranged with the notch described
The opposite sides of loudspeaker monomer.
6. loudspeaker enclosure according to claim 5, which is characterized in that the bracket includes from the roof towards the lower casing
Extend to the retaining wall in the back cavity, the opposite end of the retaining wall is connect with the supporting walls respectively, the retaining wall with it is described
Supporting walls surround the opening towards the back cavity, and the cover board covers and seals the opening.
7. loudspeaker enclosure according to claim 6, which is characterized in that side of the supporting walls far from the channel of speaking
Support plate is extended to form in towards the resonant cavity, the cover plate lid connects in side of the support plate far from the roof.
8. loudspeaker enclosure according to claim 7, which is characterized in that the distance between the opposite end of the retaining wall is greater than
Or the width equal to the notch.
9. loudspeaker enclosure according to claim 5, which is characterized in that the upper casing further includes from the roof towards under described
Speak to extending and the side wall fixed with the lower casing, described in the side wall the is corresponding position in channel of shell side offers out acoustic aperture,
The upper casing further includes that one end abuts the partition that the loudspeaker monomer other end extends to the acoustic aperture out, the channel of speaking
It is formed between the partition and the roof.
10. loudspeaker enclosure according to claim 9, which is characterized in that the roof, the partition, the supporting walls, institute
State bracket integrated molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822278288.5U CN209659597U (en) | 2018-12-30 | 2018-12-30 | Loudspeaker enclosure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822278288.5U CN209659597U (en) | 2018-12-30 | 2018-12-30 | Loudspeaker enclosure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209659597U true CN209659597U (en) | 2019-11-19 |
Family
ID=68520055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822278288.5U Expired - Fee Related CN209659597U (en) | 2018-12-30 | 2018-12-30 | Loudspeaker enclosure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209659597U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020228472A1 (en) * | 2019-05-15 | 2020-11-19 | 维沃移动通信有限公司 | Loudspeaker and terminal device |
| CN112153504A (en) * | 2020-08-27 | 2020-12-29 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker box |
| CN112468906A (en) * | 2020-12-18 | 2021-03-09 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker box and assembling process thereof |
| CN112637753A (en) * | 2020-12-02 | 2021-04-09 | 益阳市信维声学科技有限公司 | Preparation method of loudspeaker module |
| CN113055513A (en) * | 2021-03-04 | 2021-06-29 | 青岛海信移动通信技术股份有限公司 | Mobile phone and loudspeaker box for electronic equipment |
| CN115278443A (en) * | 2022-07-06 | 2022-11-01 | 美特科技(苏州)有限公司 | Loudspeaker |
-
2018
- 2018-12-30 CN CN201822278288.5U patent/CN209659597U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020228472A1 (en) * | 2019-05-15 | 2020-11-19 | 维沃移动通信有限公司 | Loudspeaker and terminal device |
| US11924620B2 (en) | 2019-05-15 | 2024-03-05 | Vivo Mobile Communication Co., Ltd. | Speaker and terminal device |
| CN112153504A (en) * | 2020-08-27 | 2020-12-29 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker box |
| CN112637753A (en) * | 2020-12-02 | 2021-04-09 | 益阳市信维声学科技有限公司 | Preparation method of loudspeaker module |
| CN112468906A (en) * | 2020-12-18 | 2021-03-09 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker box and assembling process thereof |
| CN113055513A (en) * | 2021-03-04 | 2021-06-29 | 青岛海信移动通信技术股份有限公司 | Mobile phone and loudspeaker box for electronic equipment |
| CN115278443A (en) * | 2022-07-06 | 2022-11-01 | 美特科技(苏州)有限公司 | Loudspeaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191119 Termination date: 20201230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |