CN207184747U - Loudspeaker box structure with high-quality acoustic efficiency and good water resistance - Google Patents
Loudspeaker box structure with high-quality acoustic efficiency and good water resistance Download PDFInfo
- Publication number
- CN207184747U CN207184747U CN201721135066.7U CN201721135066U CN207184747U CN 207184747 U CN207184747 U CN 207184747U CN 201721135066 U CN201721135066 U CN 201721135066U CN 207184747 U CN207184747 U CN 207184747U
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- CN
- China
- Prior art keywords
- loudspeaker
- passive radiator
- support
- audio amplifier
- water resistance
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Abstract
The utility model discloses a kind of loudspeaker box structure with high-quality acoustic efficiency and good water resistance, includes support, fore shell, rear shell, loudspeaker, passive radiator and audio amplifier intraware, and passive radiator includes the annular chamber that section is semicircular structure；Loudspeaker are installed on the centre of passive radiator, and the edge of loudspeaker is pressed on the edge formation Hermetical connecting structure of passive radiator；Pressure compensation opening is offered on support, pressure compensation opening is communicated to the inner chamber of audio amplifier, and waterproof ventilated membrane is provided between pressure compensation opening and the inner chamber of audio amplifier.By the way that passive radiator to be designed to special loop configuration, centre position assembling active loudspeaker, the rubber edge that active loudspeaker push down passive radiator is directly locked on support the utility model, so as to realize IPX7 level waterproof requirements, while optimizes structure space；Design pressure balance pipe on cavity, can solve after playing for a long time can cavity temperature rise, the problem of causing inside and outside cavity pressure difference to become big, both poor sound quality.
Description
Technical field
It the utility model is related to speaker products technical field, and in particular to a kind of portable small-sized audio amplifier.
Background technology
For portable loudspeaker box product, due to small volume, acoustic voiume deficiency, asking for LF-response deficiency often be present
Topic.Traditional design is to lift LF-response from structure by way of increasing phase-reversing tube or passive radiator, still
The problem of bringing is, due to unnecessary part, often to complicate product structure, and available acoustic voiume is fewer, reliably
Property reduce, and the problems such as bring cost increase.Meanwhile as fruit product has more than IPX5 waterproof requirement, substantially cannot
With phase-reversing tube scheme.Many designs using conventional phase-reversing tube, because part is more, space-consuming is big, and PCB is small, and is difficult to reach
To waterproof requirement.
Therefore in the scheme for improving water-proof speaker product, the structure optimization substantially for passive radiator.Even if such as
This, passive radiator needs to assemble independently of the space of active loudspeaker.This still can cause structure space-consuming big, electronics member
Part fabric swatch is difficult, and acoustic voiume reduces, and respective outer side edges are more, and the often design to portable loudspeaker box product brings extreme difficulties.
In addition, because space is small, power is big, while because the audio amplifier of high water resistance needs to be fully sealed in cavity, in length
Time occurs that cavity temperature constantly raises after playing, and causes inside and outside cavity pressure difference to become big, the problems such as both poor sound quality.
Utility model content
The technical problems to be solved in the utility model be to provide it is a kind of it is simple in construction, reasonable in design, acoustic efficiency is more preferable, anti-
The water-based more preferable portable audio box structure of energy.
In order to solve the above technical problems, the utility model adopts the following technical scheme that：One kind has high-quality acoustic efficiency
And the loudspeaker box structure of good water resistance, include support, fore shell, rear shell, loudspeaker, passive radiator and audio amplifier intraware,
Audio amplifier intraware includes pcb board, battery and internal fixed mount；Passive radiator is installed on support, and fore shell is fixed on branch
Combined on frame with rear shell it is fixed former components are closed in, and passive radiator is located at fore shell and bracket outer with loudspeaker,
It is characterized in that：The passive radiator includes left and right two parts, and left and right two parts are separate and structure is identical, wrap respectively
The annular chamber that section is semicircular structure is included, the two-part annular chamber in left and right is surrounded on the two of loudspeaker in a manner of arc respectively
Side；Loudspeaker are installed on the centre of passive radiator, and both form concentric structure, and the edge of loudspeaker is pressed on the edge of passive radiator
Hermetical connecting structure is formed, this design has greatly saved structure space, has increased cavity volume, reduce assembling parts,
Reduce cost and improve efficiency, and reduce pcb board limitation, Function Extension is easier；Pressure is offered on support to put down
Weighing apparatus hole, the inner chamber that pressure compensation opening is communicated to audio amplifier forms pressure equalisation passage, in the bottom and audio amplifier of pressure compensation opening
Waterproof ventilated membrane is provided between chamber and forms waterproof construction.
Further, the inside edge upper surface of the passive radiator is provided with two raised sealing strips, and loudspeaker
Outer ledge lower surface is provided with the seal groove that twice match with the sealing strip, and passive radiator is embedded in loudspeaker by sealing strip
In formation waterproof sealing attachment structure in seal groove.
Further, sealing ring is embedded between fore shell and rear shell, both joint portions is formed sealing structure.
Further, respectively by marine glue bonding connection into waterproof knot between fore shell and support, between rear shell and support
Structure.
Preferably, the diameter of the pressure compensation opening is not less than 1 mm, and the vent diameter of the waterproof ventilated membrane is not small
In 2mm, ensure waterproof and cavity internal and external pressure balance, to meet the requirement played for a long time.
For the utility model by the way that passive radiator to be designed to special loop configuration, active loudspeaker are assembled in centre position,
The rubber edge that active loudspeaker push down passive radiator is directly locked on support, so as to realize IPX7 level waterproof requirements, simultaneously
Structure space has greatly been saved, has increased cavity volume, has reduced assembling parts；Meanwhile design pressure balance pipe on cavity,
Can solve after playing for a long time can cavity temperature rise, the problem of causing inside and outside cavity pressure difference to become big, both poor sound quality.
Brief description of the drawings
Fig. 1 is the utility model overlooking the structure diagram；
Fig. 2 is the sectional view laterally splitted along Fig. 1；
Fig. 3 is the sectional view longitudinally splitted along Fig. 1；
Fig. 4 is Fig. 2 partial enlarged drawing.
In figure, 1 is support, and 2 be fore shell, and 3 be loudspeaker, and 4 be passive radiator, and 5 be rear shell, and 6 be sealing ring, and 7 be annular
Chamber, 8 be seal groove, and 9 be sealing strip, and 10 be pressure compensation opening, and 11 be waterproof ventilated membrane.
Embodiment
In the present embodiment, reference picture 1, Fig. 2, Fig. 3 and Fig. 4 are described to have high-quality acoustic efficiency and good water resistance
Loudspeaker box structure, include support 1, fore shell 2, rear shell 5, loudspeaker 3, passive radiator 4 and audio amplifier intraware, group inside audio amplifier
Part includes pcb board, battery and internal fixed mount；Passive radiator 4 is installed on 1 on support, fore shell 2 be fixed on support 1 with
Rear shell 5 combine it is fixed former components are closed in, and passive radiator 4 is located at outside fore shell 2 and support 1 with loudspeaker 3；Institute
State passive radiator 4 and include left and right two parts, left and right two parts are separate and structure is identical, include section respectively for half
The annular chamber 7 of circular configuration, the two-part annular chamber 7 in left and right is respectively with arc（It is generally semicircle）Mode be surrounded on loudspeaker
3 both sides；Loudspeaker 3 are installed on the centre of passive radiator 4, and both form concentric structure, and the edge of loudspeaker 3 is pressed on passive radiation
The edge of device 4 forms Hermetical connecting structure, and this design has greatly saved structure space, increased cavity volume, reduce
Assembling parts, reduce cost and improve efficiency, and reduce pcb board limitation, Function Extension is easier；Opened on support 1
Provided with pressure compensation opening 10, the inner chamber that pressure compensation opening 10 is communicated to audio amplifier forms pressure equalisation passage, in pressure compensation opening 10
Bottom and audio amplifier inner chamber between be provided with waterproof ventilated membrane 11 formed waterproof construction.
The inside edge upper surface of the passive radiator 4 is provided with two raised sealing strips 9, and the outer side edges of loudspeaker 3
Edge lower surface is provided with the seal groove 8 that twice match with the sealing strip 9, and passive radiator 4 is embedded in loudspeaker 3 by sealing strip 9
In formation waterproof sealing attachment structure in seal groove 8.
Sealing ring 6 is embedded between fore shell 2 and rear shell 5, both joint portions is formed sealing structure.
Between fore shell 2 and support 1, between rear shell 5 and support 1 respectively by marine glue bonding connection into waterproof construction.
The diameter of the pressure compensation opening 10 is not less than 1 mm, and the vent diameter of the waterproof ventilated membrane 11 is not less than
2mm, ensure waterproof and cavity internal and external pressure balance, to meet the requirement played for a long time.
The utility model is described in detail above, it is described above, only the preferred embodiment of the utility model and
, it is when the utility model practical range can not be limited, i.e., all to make equivalent changes and modifications according to the application scope, it all should still belong to this
In utility model covering scope.
Claims (5)
1. a kind of loudspeaker box structure with high-quality acoustic efficiency and good water resistance, includes support, fore shell, rear shell, loudspeaker
, passive radiator and audio amplifier intraware, audio amplifier intraware include pcb board, battery and internal fixed mount；Passive radiation
Device is installed on support, fore shell be fixed on support combined with rear shell it is fixed former components are closed in, and passive radiation
Device is located at fore shell and bracket outer with loudspeaker, it is characterised in that：The passive radiator includes left and right two parts, left and right two
Divide independently of each other and structure is identical, include the annular chamber that section is semicircular structure, the two-part annular chamber in left and right point respectively
The both sides of loudspeaker are not surrounded in a manner of arc；Loudspeaker are installed on the centre of passive radiator, and both form concentric structure, loudspeaker
The edge that edge is pressed on passive radiator forms Hermetical connecting structure；Pressure compensation opening is offered on support, pressure is put down
The inner chamber that weighing apparatus hole is communicated to audio amplifier forms pressure equalisation passage, is provided between the bottom of pressure compensation opening and the inner chamber of audio amplifier anti-
Water ventilated membrane forms waterproof construction.
2. the loudspeaker box structure according to claim 1 with high-quality acoustic efficiency and good water resistance, its feature exist
In：The inside edge upper surface of the passive radiator is provided with two raised sealing strips, and the outer ledge lower surface of loudspeaker
The seal groove to match provided with twice and the sealing strip, passive radiator are embedded in seal groove by sealing strip with loudspeaker and formed
Waterproof sealing attachment structure.
3. the loudspeaker box structure according to claim 1 with high-quality acoustic efficiency and good water resistance, its feature exist
In：Sealing ring is embedded between fore shell and rear shell.
4. the loudspeaker box structure according to claim 1 with high-quality acoustic efficiency and good water resistance, its feature exist
In：Between fore shell and support, between rear shell and support respectively by marine glue bonding connection into waterproof construction.
5. the loudspeaker box structure according to claim 1 with high-quality acoustic efficiency and good water resistance, its feature exist
In：The diameter of the pressure compensation opening is not less than 1 mm, and the vent diameter of the waterproof ventilated membrane is not less than 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721135066.7U CN207184747U (en) | 2017-09-05 | 2017-09-05 | Loudspeaker box structure with high-quality acoustic efficiency and good water resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721135066.7U CN207184747U (en) | 2017-09-05 | 2017-09-05 | Loudspeaker box structure with high-quality acoustic efficiency and good water resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207184747U true CN207184747U (en) | 2018-04-03 |
Family
ID=61742834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721135066.7U Expired - Fee Related CN207184747U (en) | 2017-09-05 | 2017-09-05 | Loudspeaker box structure with high-quality acoustic efficiency and good water resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207184747U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108366313A (en) * | 2018-05-17 | 2018-08-03 | 歌尔股份有限公司 | Acoustical generator and earphone |
| CN110337048A (en) * | 2019-07-08 | 2019-10-15 | 珠海格力电器股份有限公司 | Assembly method, speaker and the air conditioner of speaker |
| CN110636397A (en) * | 2019-09-23 | 2019-12-31 | 深圳市伊波达电子科技有限公司 | Simplify waterproof structure's waterproof bluetooth speaker |
| CN111787459A (en) * | 2020-06-23 | 2020-10-16 | 深圳酷特威科技有限公司 | Outdoor waterproof stereo set |
| CN113228698A (en) * | 2018-12-14 | 2021-08-06 | 伯斯有限公司 | Audio device with sealing member and internal heat sink |
| US11968493B2 (en) | 2019-05-09 | 2024-04-23 | Invisio A/S | Headset and/or hearing protection device comprising a waterproof speaker assembly with decompression |
| CN108366313B (en) * | 2018-05-17 | 2024-06-04 | 歌尔股份有限公司 | Acoustic generator and earphone |
-
2017
- 2017-09-05 CN CN201721135066.7U patent/CN207184747U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108366313A (en) * | 2018-05-17 | 2018-08-03 | 歌尔股份有限公司 | Acoustical generator and earphone |
| CN108366313B (en) * | 2018-05-17 | 2024-06-04 | 歌尔股份有限公司 | Acoustic generator and earphone |
| CN113228698A (en) * | 2018-12-14 | 2021-08-06 | 伯斯有限公司 | Audio device with sealing member and internal heat sink |
| US11968493B2 (en) | 2019-05-09 | 2024-04-23 | Invisio A/S | Headset and/or hearing protection device comprising a waterproof speaker assembly with decompression |
| CN110337048A (en) * | 2019-07-08 | 2019-10-15 | 珠海格力电器股份有限公司 | Assembly method, speaker and the air conditioner of speaker |
| CN110636397A (en) * | 2019-09-23 | 2019-12-31 | 深圳市伊波达电子科技有限公司 | Simplify waterproof structure's waterproof bluetooth speaker |
| CN111787459A (en) * | 2020-06-23 | 2020-10-16 | 深圳酷特威科技有限公司 | Outdoor waterproof stereo set |
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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: 20180403 Termination date: 20200905 |
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| CF01 | Termination of patent right due to non-payment of annual fee |