CN206585698U - Loudspeaker enclosure - Google Patents
Loudspeaker enclosure Download PDFInfo
- Publication number
- CN206585698U CN206585698U CN201720091598.9U CN201720091598U CN206585698U CN 206585698 U CN206585698 U CN 206585698U CN 201720091598 U CN201720091598 U CN 201720091598U CN 206585698 U CN206585698 U CN 206585698U
- Authority
- CN
- China
- Prior art keywords
- leak
- loudspeaker enclosure
- loudspeaker
- top dome
- dome portion
- 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.)
- Active
Links
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model provides a kind of loudspeaker enclosure.The loudspeaker enclosure is included with the loudspeaker monomer for housing the housing of cavity, being contained in the collecting cavity and having vibrating diaphragm, the collecting cavity is divided into ante-chamber and back cavity by the vibrating diaphragm, and the loudspeaker monomer also includes the leak located at the vibrating diaphragm and the connection ante-chamber and the back cavity.Compared with correlation technique, the loudspeaker enclosure that the utility model is provided solves intermediate frequency distortion and is also easy to produce the technical problem of high-frequency noise.
Description
【Technical field】
The utility model is related to electroacoustic transduction field, more particularly to a kind of loudspeaker enclosure.
【Background technology】
With the fast development of science and technology, the popularity rate more and more higher of audio frequency apparatus, requirement of the people to audio frequency apparatus is not only
The broadcasting of video is only limitted to, more requires to propose the reliability of audio frequency apparatus more require.The especially arrival in 4G epoch, it is mobile
Multimedia technology also develops therewith, and many audio frequency apparatuses have a variety of amusement functions, such as video playback, digital vedio recording, game,
GPS navigation etc., the requirement of its broadcasting tonequality to audio frequency apparatus also more and more higher.
Loudspeaker enclosure is mainly used in the broadcasting of audio signal as a kind of conventional electronic component.When loudspeaker enclosure
When sound mouth has larger resistance or sound tube road to have larger damping, such as complete machine environment, the intermediate frequency distortion of loudspeaker enclosure can be raised,
The listening quality of loudspeaker enclosure is had a strong impact on, simultaneously because the ante-chamber resonance of loudspeaker enclosure, can amplify radio-frequency component and high frequency is made an uproar
In sound, correlation technique, high frequency noise caused by the ante-chamber intermediate frequency distortion and ante-chamber resonance in order to reduce loudspeaker enclosure is generally being raised
Leak holes are opened up on the housing of sound device case to balance the air pressure inside loudspeaker enclosure to improve intermediate frequency distortion, avoid ante-chamber resonance,
But so the structure of loudspeaker enclosure can be caused excessively complicated, improve its difficulty of processing.
Therefore, it is necessary to which providing a kind of new loudspeaker enclosure solves above-mentioned technical problem.
【Utility model content】
The purpose of this utility model is to provide a kind of improvement intermediate frequency distortion and reduces the loudspeaker enclosure of high-frequency noise.
The utility model provides a kind of loudspeaker enclosure, and the loudspeaker enclosure includes the housing with collecting cavity, is contained in
Described to house cavity and the loudspeaker monomer with vibrating diaphragm, the collecting cavity is divided into ante-chamber and back cavity by the vibrating diaphragm, institute
Stating loudspeaker monomer also includes the leak located at the vibrating diaphragm and the connection ante-chamber and the back cavity.
It is preferred that, the loudspeaker monomer also includes on the vibrating diaphragm covering the ventilative interval of the leak
Part.
It is preferred that, the ventilative distance piece is made of sound-resistance material.
It is preferred that, the quantity of the leak is multiple.
It is preferred that, the leak is rounded or polygon.
It is preferred that, the loudspeaker monomer also include frame, the vibrating diaphragm include provided with the leak body and
Stretch out from the body and be formed and secured to the fixed part of the frame.
It is preferred that, the body includes the top dome portion provided with the leak and extended from top dome portion outward bending
To the bending part of the fixed part.
It is preferred that, the body includes top dome portion, the folding of the fixed part is extended to from top dome portion outward bending
Turn of bilge and the reinforcing plate for being stacked at the top dome portion, the leak sequentially pass through the top dome portion and the reinforcing plate.
It is preferred that, the body, which includes top dome portion, hitting of being formed is enclosed by the top dome portion hole and is stacked at described
Top dome portion is to cover the reinforcing plate in the hole of hitting, and the leak runs through the reinforcing plate, and the leak is cut described
In the range of mesopore.
Compared with correlation technique, the loudspeaker enclosure that the utility model is provided has the advantages that：
The loudspeaker enclosure includes the housing with collecting cavity, is contained in the collecting cavity and raising one's voice with vibrating diaphragm
The collecting cavity is divided into ante-chamber and back cavity by device monomer, the vibrating diaphragm, and the loudspeaker monomer also includes shaking located at described
The leak of film and the connection ante-chamber and the back cavity.The setting of the leak, can not only be effectively improved described raise one's voice
The intermediate frequency distortion of device case, and can effectively weaken the radio-frequency component and high-frequency noise of ante-chamber resonance generation, it is further, described
Leak is by connecting ante-chamber and back cavity, effective balance back cavity air pressure, without opening balancing orifice in addition in back cavity, it is ensured that raise one's voice
The closed and uniformity of device case profile.
【Brief description of the drawings】
The exploded view of loudspeaker enclosure embodiment one that Fig. 1 provides for the utility model；
Fig. 2 is the structural representation after loudspeaker enclosure shown in Fig. 1 is assembled；
Fig. 3 is cut-away view of the loudspeaker enclosure along line A-A shown in Fig. 2；
Fig. 4 is the enlarged drawing of the part B of loudspeaker enclosure shown in Fig. 3；
The sectional view of the loudspeaker monomer for the loudspeaker enclosure embodiment two that Fig. 5 provides for the utility model；
The sectional view of the loudspeaker monomer for the loudspeaker enclosure embodiment three that Fig. 6 provides for the utility model；
The total harmonic distortion curve of the loudspeaker enclosure that Fig. 7 provides for the utility model and correlation technique loudspeaker enclosure it is total humorous
The comparison diagram of wave distortion curve；
The frequency response curve for the loudspeaker enclosure that Fig. 8 provides for the utility model and the frequency of correlation technique loudspeaker enclosure are rung
Answer the comparison diagram of curve；
The higher hamonic wave curve for the loudspeaker enclosure that Fig. 9 provides for the utility model and the high order of correlation technique loudspeaker enclosure are humorous
The comparison diagram of wave profile.
【Embodiment】
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Embodiment one
Fig. 1, Fig. 2, Fig. 3 and Fig. 4 are please referred to, wherein, the loudspeaker for the embodiment one that Fig. 1 provides for the utility model
The stereochemical structure decomposing schematic representation of case, Fig. 2 is the structural representation after loudspeaker enclosure shown in Fig. 1 is assembled, and Fig. 3 is edge shown in Fig. 2
The cross-sectional view of line A-A, Fig. 4 is part B enlarged drawing shown in Fig. 3.The loudspeaker enclosure 100 includes housing 1 and raised one's voice
Device monomer 3, the housing 1 includes housing cavity 11, the first housing 13 and the second housing 15, first housing 13 and described the
Two housings 15 are assembled to form the collecting cavity 11, and the loudspeaker monomer 3 is contained in the collecting cavity 11.
The loudspeaker monomer 3 includes frame 31, vibrating diaphragm 33, magnetic circuit system 35, voice coil loudspeaker voice coil 37, leak 38 and ventilative interval
Part 39, the vibrating diaphragm 33 is fixedly arranged on the frame 31, and the magnetic circuit system 35 is contained in the frame 31, the voice coil loudspeaker voice coil 37 with
The vibrating diaphragm 33 connects and drives the voice coil loudspeaker voice coil 37 to vibrate by the magnetic circuit system 35 to drive the vibration sounding of vibrating diaphragm 33, institute
State vibrating diaphragm 33 and the collecting cavity 11 is divided into ante-chamber 111 and back cavity 113, the ante-chamber 111 includes the preceding operatic tunes 1111 and connected
Lead to after being communicated with the ante-chamber 111 on the preceding operatic tunes 1111 and extraneous passage 1113 of speaking, the vibrating diaphragm 33 and be described
The leak 38 of chamber 113 and the ventilative distance piece 39 that the leak 38 is made up and covered of sound-resistance material.
The vibrating diaphragm 33 includes body 331 and fixed part 333, and the fixed part 333 is from the body 331 to extension
Stretch and form and be fixed on the frame 31, the leak 38 runs through the body 331, the body 331 includes top dome
Portion 3311, bending part 3313 and reinforcing plate 3315, the bending part 3313 extend to institute from the outward bending of top dome portion 3311
Fixed part 333 is stated, the reinforcing plate 3315 is stacked at the top dome portion 3311.
In the present embodiment, the leak 38 is rounded, and the leak 38 sequentially passes through the reinforcing plate 3315 and institute
State top dome portion 3311.
Certainly in other embodiments, the leak 38 can also be other quantity, and the leak 38 can be in many
Side shape or other irregular figures, the leak 38 can also be located at the other positions of the body 331.
In the present embodiment, the quantity of the ventilative distance piece 39 is two, and two ventilative distance pieces 39 distinguish fixed
In the reinforcing plate 3315 and the top dome portion 3311 to cover the both ends open of the leak 38.
Certainly in other embodiments, the ventilative distance piece 39 can only cover the one end open of the leak 38,
It can also be filled in the leak 38.
Embodiment two
Referring to Fig. 5, the sectional view of the loudspeaker monomer for the embodiment two that Fig. 5 provides for the utility model, the present embodiment
Difference with embodiment one is, the body 331a includes top dome portion 3311a, is enclosed and is formed by the top dome portion 3311a
Hit and hole 3317a and be stacked at the top dome portion 3311a to cover the reinforcing plate 3315a of the hole 3317a that hits, it is described to let out
Small opening 38a runs through the reinforcing plate 3315a, and the leak 38a is in the range of the hole 3317a that hits.
Embodiment three
Referring to Fig. 6, the sectional view of the loudspeaker monomer for the embodiment three that Fig. 6 provides for the utility model, the present embodiment
Difference with embodiment one is：The body 331b does not include reinforcing plate, and the leak 38b runs through the top dome portion
3311b, the ventilative distance piece 39b is covered in the side of the leak 38b.
Compared with correlation technique, the loudspeaker enclosure that the utility model is provided has the advantages that：
The loudspeaker enclosure includes the housing with collecting cavity, is contained in the collecting cavity and raising one's voice with vibrating diaphragm
The collecting cavity is divided into ante-chamber and back cavity by device monomer, the vibrating diaphragm, and the loudspeaker monomer also includes shaking located at described
The leak of film and the connection ante-chamber and the back cavity.The setting of the leak, can not only be effectively improved described raise one's voice
The intermediate frequency distortion of device case, and can effectively weaken the radio-frequency component and high-frequency noise of ante-chamber resonance generation, it is further, described
Leak is by connecting ante-chamber and back cavity, effective balance back cavity air pressure, without opening balancing orifice in addition in back cavity, it is ensured that raise one's voice
The closed and uniformity of device case profile.
Fig. 7, Fig. 8 and Fig. 9 are please referred to, wherein, the total harmonic distortion for the loudspeaker enclosure that Fig. 7 provides for the utility model
The comparison diagram of the total harmonic distortion curve of curve and correlation technique loudspeaker enclosure, the loudspeaker enclosure that Fig. 8 the utility model is provided
The comparison diagram of the frequency response curve of frequency response curve and correlation technique loudspeaker enclosure, Fig. 9 is raising that the utility model is provided
The comparison diagram of the higher hamonic wave curve of sound device case and the higher hamonic wave curve of correlation technique loudspeaker enclosure.Fig. 7 to Fig. 9 result is
Curve I represents correlation technique loudspeaker enclosure in the system test carried out when the passage 1113 of speaking has larger resistance, Fig. 7
Total harmonic distortion curve, curve II represents the total harmonic distortion curve for the loudspeaker enclosure 100 that the utility model is provided, can from Fig. 7
To find out, the intermediate frequency distortion of loudspeaker enclosure 100 that the utility model is provided is relatively low, and curve I represents loudspeaker in correlation technique in Fig. 8
The frequency response curve of case 100, curve II represents the frequency response curve for the loudspeaker enclosure 100 that the utility model is provided, from Fig. 8
As can be seen that the high resonance for the loudspeaker enclosure 100 that the utility model is provided weakens, resonance peak reduction, radio-frequency component is reduced, sense of hearing
Improve；Curve I represents the higher hamonic wave curve of loudspeaker enclosure in correlation technique in Fig. 9, and curve II represents that the utility model is provided
The higher hamonic wave curve of loudspeaker enclosure 100, as can be seen from Figure 9 the utility model provide the high order of the loudspeaker enclosure 100 it is humorous
Ripple is substantially reduced, and its sense of hearing improves obvious, while not producing interference to the sound of the passage 1113 of speaking.
The operation principle of the loudspeaker enclosure 100 is：When the voice coil loudspeaker voice coil 37 receives extraneous current signal, the voice coil loudspeaker voice coil 37
Effect by Loulun magnetism in magnetic field can produce position.The current signal constantly side of conversion that the voice coil loudspeaker voice coil 37 is received therewith
To so that the Loulun magnetism that the voice coil loudspeaker voice coil 37 is received also correspondent transform direction, so that the voice coil loudspeaker voice coil 37 is moved back and forth, so that
Drive the vibration of vibrating diaphragm 33 to send sound, spread out of by the passage 1113 of speaking.When have in the passage 1113 of speaking compared with
When big resistance or damping, the intermediate frequency distortion of loudspeaker enclosure 100 can be raised, and have a strong impact on the audition of the loudspeaker enclosure 100
Quality, simultaneously because the resonance of ante-chamber 111 of loudspeaker enclosure 100, can amplify radio-frequency component and high-frequency noise, influences sense of hearing.
The loudspeaker enclosure 100 that the utility model is provided is by setting leak 38 to overcome the principle of drawbacks described above as follows：
Wherein, Fh is high-frequency resonant frequency, and Ca is acoustic compliance, and Mp is equivalent acoustic mass, and V represents the volume of ante-chamber 111, and ρ 0 is sky
Air tightness, c0 is THE VELOCITY OF SOUND IN AIR.
The leak 38 destroys V integrality, reduces the resonance of the ante-chamber 111, and the leak 38 is connected
The ante-chamber 111 and the back cavity 113, on the one hand can play a part of pressing, when the passage 1113 of speaking has larger resistance
When power or damping, can part the influence that brings of reduction air nonlinearity, while weakening waving for the vibrating diaphragm 33, the opposing party
Face, controls the propagation of higher hamonic wave, it can not be produced to the sound of the passage 1113 of speaking and harasses, improves listening quality.
Above-described is only embodiment of the present utility model, it should be noted here that for the ordinary skill of this area
For personnel, on the premise of the utility model creation design is not departed from, improvement can also be made, but these belong to this practicality
New protection domain.
Claims (9)
1. a kind of loudspeaker enclosure, including with housing the housing of cavity, be contained in the collecting cavity and raising one's voice with vibrating diaphragm
The collecting cavity is divided into ante-chamber and back cavity by device monomer, the vibrating diaphragm, it is characterised in that：The loudspeaker monomer also includes
Located at the vibrating diaphragm and the leak of the connection ante-chamber and the back cavity.
2. loudspeaker enclosure as claimed in claim 1, it is characterised in that：The loudspeaker monomer also includes on the vibrating diaphragm
To cover the ventilative distance piece of the leak.
3. loudspeaker enclosure as claimed in claim 2, it is characterised in that：The ventilative distance piece is made of sound-resistance material.
4. loudspeaker enclosure as claimed in claim 1, it is characterised in that：The quantity of the leak is multiple.
5. loudspeaker enclosure as claimed in claim 1, it is characterised in that：The leak is rounded or polygon.
6. the loudspeaker enclosure as any one of claim 1-5, it is characterised in that：The loudspeaker monomer also includes basin
Frame, the vibrating diaphragm includes the body provided with the leak and from the body stretched out to be formed and secured to the basin
The fixed part of frame.
7. loudspeaker enclosure as claimed in claim 6, it is characterised in that：The body includes the top dome provided with the leak
Portion and the bending part that the fixed part is extended to from top dome portion outward bending.
8. loudspeaker enclosure as claimed in claim 6, it is characterised in that：The body includes top dome portion, from the top dome portion
Outward bending extends to the bending part of the fixed part and is stacked at the reinforcing plate in the top dome portion, and the leak is sequentially passed through
The top dome portion and the reinforcing plate.
9. loudspeaker enclosure as claimed in claim 6, it is characterised in that：The body includes top dome portion, by the top dome portion
Enclose hitting of being formed and hole and be stacked at the top dome portion to cover the reinforcing plate in the hole of hitting, the leak is through described
Reinforcing plate, and the leak is in the range of the hole of hitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720091598.9U CN206585698U (en) | 2017-01-22 | 2017-01-22 | Loudspeaker enclosure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720091598.9U CN206585698U (en) | 2017-01-22 | 2017-01-22 | Loudspeaker enclosure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206585698U true CN206585698U (en) | 2017-10-24 |
Family
ID=60110381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720091598.9U Active CN206585698U (en) | 2017-01-22 | 2017-01-22 | Loudspeaker enclosure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206585698U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109005494A (en) * | 2018-07-26 | 2018-12-14 | 江西联创宏声电子股份有限公司 | The air-tightness detection device and method of Microspeaker mould group |
| CN110536190A (en) * | 2019-08-30 | 2019-12-03 | 歌尔股份有限公司 | A kind of sounding device and electronic product |
| CN110798785A (en) * | 2019-10-10 | 2020-02-14 | 瑞声科技(新加坡)有限公司 | Sound production device |
| CN110856082A (en) * | 2019-10-10 | 2020-02-28 | 瑞声科技(新加坡)有限公司 | Sound production device |
| CN112188373A (en) * | 2020-09-23 | 2021-01-05 | 瑞声新能源发展(常州)有限公司科教城分公司 | Speaker and electronic equipment |
| CN112333611A (en) * | 2020-11-30 | 2021-02-05 | 歌尔股份有限公司 | Sound monomer |
| WO2021128087A1 (en) * | 2019-12-25 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Speaker unit |
-
2017
- 2017-01-22 CN CN201720091598.9U patent/CN206585698U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109005494A (en) * | 2018-07-26 | 2018-12-14 | 江西联创宏声电子股份有限公司 | The air-tightness detection device and method of Microspeaker mould group |
| CN109005494B (en) * | 2018-07-26 | 2020-09-01 | 江西联创宏声电子股份有限公司 | Air tightness detection device and method for micro loudspeaker module |
| CN110536190A (en) * | 2019-08-30 | 2019-12-03 | 歌尔股份有限公司 | A kind of sounding device and electronic product |
| CN110798785A (en) * | 2019-10-10 | 2020-02-14 | 瑞声科技(新加坡)有限公司 | Sound production device |
| CN110856082A (en) * | 2019-10-10 | 2020-02-28 | 瑞声科技(新加坡)有限公司 | Sound production device |
| CN110856082B (en) * | 2019-10-10 | 2021-06-15 | 瑞声科技(新加坡)有限公司 | Sound production device |
| WO2021128087A1 (en) * | 2019-12-25 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Speaker unit |
| CN112188373A (en) * | 2020-09-23 | 2021-01-05 | 瑞声新能源发展(常州)有限公司科教城分公司 | Speaker and electronic equipment |
| CN112333611A (en) * | 2020-11-30 | 2021-02-05 | 歌尔股份有限公司 | Sound monomer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206585698U (en) | Loudspeaker enclosure | |
| CN207354575U (en) | Loudspeaker enclosure | |
| CN206061094U (en) | Loudspeaker enclosure | |
| CN205847524U (en) | Loudspeaker enclosure | |
| CN106162459A (en) | Loudspeaker enclosure and there is the electronic equipment of this loudspeaker enclosure | |
| US8135156B2 (en) | Sound reproduction device with enhanced low-frequency sound effect | |
| US10750274B2 (en) | Speaker box | |
| AU2011250690B2 (en) | Speaker having a horizontal former | |
| CN106101955B (en) | Loudspeaker enclosure | |
| CN210093484U (en) | Loudspeaker | |
| US10764664B2 (en) | Speaker box | |
| CN106101956A (en) | Loudspeaker enclosure and there is the electronic equipment of this loudspeaker enclosure | |
| CN207612403U (en) | Loudspeaker enclosure | |
| CN107690106B (en) | Loudspeaker box | |
| CN206181362U (en) | Sounding device | |
| CN207531068U (en) | Loudspeaker enclosure | |
| CN108462929A (en) | Loud speaker module and electronic equipment | |
| CN106101954A (en) | Loudspeaker enclosure and there is the electronic equipment of this loudspeaker enclosure | |
| CN203289635U (en) | Spring plate and multifunctional sounder applying spring plate | |
| CN206524941U (en) | Loudspeaker enclosure | |
| CN201533406U (en) | Loudspeaker | |
| CN107105375A (en) | Low noise loudspeaker is used in one kind communication | |
| CN201523448U (en) | Speaker and portable electronic equipment | |
| CN207531064U (en) | Loudspeaker enclosure | |
| CN206350046U (en) | The receiver and mobile phone of electronic product |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |