CN105744432A - Rhombic three-dimensional speaker grill of loudspeaker - Google Patents
Rhombic three-dimensional speaker grill of loudspeaker Download PDFInfo
- Publication number
- CN105744432A CN105744432A CN201610097111.8A CN201610097111A CN105744432A CN 105744432 A CN105744432 A CN 105744432A CN 201610097111 A CN201610097111 A CN 201610097111A CN 105744432 A CN105744432 A CN 105744432A
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- opening
- assembly
- shape assembly
- speaker
- shape
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The invention discloses a rhombic three-dimensional speaker grill of a loudspeaker. The rhombic three-dimensional speaker grill of the loudspeaker comprises several mesh units arranged in a matrix, wherein the mesh units comprise through holes of which cross sections are rhombic, and the surface of the speaker grill is undulating. In comparison between the rhombic three-dimensional speaker grill of the loudspeaker and a round through hole flat plate type speaker grill with the same area, buckling deformation and product strength generated through the same injection molding technology are both equivalent, but the rhombic three-dimensional speaker grill of the loudspeaker has higher through-hole rate and also consumes less raw materials.
Description
Technical field
The present invention relates to a kind of loudspeaker horn net, especially relate to a kind of speaker rhombus solid speaker net.
Background technology
It is typically in the loudspeaker position of speaker, television set, radio etc. all to arrange speaker net parts of raising one's voice are covered; to reach purpose that is attractive in appearance, dust-proof and that intercept external impacts, it is arranged on the speaker net on the speaker in car and focuses on the protection to speaker especially.Therefore, the speaker net design of speaker needs keeping certain sound effective value that goes out to have enough intensity, and along with lifting and the product cost taken by themselves of automotive trim lightweight requirements control, the use reducing material while meeting both of the aforesaid instructions for use as far as possible is also the target that needs are pursued.The flat speaker net of manhole of prior art is as it is shown in fig. 7, have the manhole of matrix arrangement, and whole speaker net surfacing, it is difficult to reduce materials further on the original mechanical strength basis of maintenance.
Summary of the invention
The invention provides a kind of speaker rhombus solid speaker net, solve the flat speaker net of manhole and original acoustics and mechanical property cannot be kept simultaneously to reduce the materials problem to reach lightweight purpose further.
nullTechnical solution of the present invention is as follows: a kind of speaker rhombus solid speaker net，Some mesh cells including matrix arrangement，Described mesh cells includes the first knuckle assembly、Second knuckle assembly、W shape assembly and M shape assembly，The upper notch of described W shape assembly and the lower recess of M shape assembly enclose and constitute the first through hole that cross section is rhombus，Described first knuckle assembly is provided with the first opening，Described second knuckle assembly is provided with the second opening，Described first knuckle assembly and W shape assembly constitute the 3rd opening and the 4th opening，Described second knuckle assembly and M shape assembly constitute the 5th opening and the 6th opening，Described W shape assembly and M shape assembly constitute the 7th opening and the 8th opening，3rd opening of two adjacent described mesh cells and the 5th opening or the 4th opening and the 6th opening constitute the through hole identical with described first through-hole structure，First opening of four adjacent described mesh cells、Second opening、7th opening and the 8th opening constitute the through hole identical with described first through-hole structure；Described W shape assembly and M shape assembly are at upper notch place height higher than the height in lower indent, and described first knuckle assembly is identical in lower indent structure with described W shape assembly, and described second knuckle assembly is identical in upper notch place structure with described W shape assembly.
Further, one group of diagonal angle of described first through hole is fillet.
Further, described fillet is made up of the upper notch of described W shape assembly and the lower recess of M shape assembly.
Further, described first through hole is gradually increased at depth direction area of section.
Further, described W shape assembly is identical at upper notch place height with M shape assembly.
Further, described W shape assembly is identical at lower indent height with M shape assembly.
Further, the end face of described W shape assembly and M shape assembly is the inclined-plane tilted by the downward recess of upper notch.
The advantage of technical scheme provided by the present invention is in that: compared with traditional flat speaker net of manhole, speaker net of the same area, and the present invention has higher through-hole rate, and raw material expends less；Under identical Shooting Technique, buckling deformation amount is suitable, and both mechanical strengths are suitable.Therefore, the present invention can facilitate to implement when original Shooting Technique to produce, it is not necessary to readjusts technological parameter, has cost and odds for effectiveness.
Accompanying drawing explanation
Fig. 1 is the axis side view such as grade of speaker rhombus solid speaker net；
Fig. 2 is the top view of speaker rhombus solid speaker net；
Fig. 3 is the top view of a mesh cells；
Fig. 4 is the Section A-A figure of Fig. 2；
Fig. 5 is the B-B figure of Fig. 2；
Fig. 6 is the left view of speaker rhombus solid speaker net；
Fig. 7 is the top view of the flat speaker net of manhole.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described, but not as a limitation of the invention.
As shown in Figures 1 to 6, speaker rhombus solid speaker net includes the some mesh cells 1 with vertically and horizontally matrix arrangement, mesh cells 1 described in the present embodiment is the Virtual cropping unit made for the ease of description, whole speaker rhombus solid speaker net is by Shooting Technique global formation, is not spliced by after the molding of single mesh cells 1.
As shown in figures 1 and 3, mesh cells 1 includes first knuckle assembly the 2, second knuckle assembly 3, W shape assembly 4 and M shape assembly 5, first knuckle assembly 2 is positioned at upper notch 401 place of W shape assembly 4, second knuckle assembly 3 is positioned at lower recess 501 place of M shape assembly 5, and the upper notch 401 of W shape assembly 4 and the lower recess 501 of M shape assembly 5 enclose and constitute the first through hole 6 that cross section is rhombus.
First knuckle assembly 2 is provided with the first opening 701, second knuckle assembly 3 is provided with the second opening 702, the two ends of the first knuckle assembly 2 and W shape assembly 4 constitute the 3rd opening 703 and the 4th opening 704, and the two ends of the second knuckle assembly 3 and M shape assembly 5 constitute the 5th opening 705 and the 6th opening 706.Two lower recesses 402 of W shape assembly 4 and two upper notch 502 of M shape assembly 5 connect, and make the two ends of W shape assembly 4 and the two ends of M shape assembly 5 constitute the 7th opening 707 and the 8th opening 708.3rd opening 703 of two adjacent mesh cells 1 constitutes the through hole identical with the first through hole 6 structure with the 5th opening 705 or the 4th opening 704 with the 6th opening 706, and first opening the 701, second opening the 702, the 7th opening 707 of four adjacent mesh cells 1 constitutes the through hole identical with the first through hole 6 structure with the 8th opening 708.That is, after some mesh cells 1 are arranged in a matrix, a mesh cells 1 up and down about four respectively formed a through hole being made up of two mesh cells 1, and on four angles, respectively forming a through hole being made up of four mesh cells 1, these are mesh-structured all identical with the structure of the first through hole 6.
The present embodiment embodies another important feature of innovation and is in that W shape assembly 4 and M shape assembly 5 are highly higher than the height at lower recess 402 and 501 place in upper notch 401 and 502, and W shape assembly 4 is identical with 502 place's height in upper notch 401 with M shape assembly 5, lower recess 402 is also identical with 501 place's height.First knuckle assembly 2 is identical in lower recess 402 place structure with W shape assembly 4, and the second knuckle assembly 3 is identical in upper notch 401 place structure with W shape assembly 4.The end face of W shape assembly 4 and M shape assembly 5 is the inclined-plane tilted by the downward recess of upper notch.In conjunction with Fig. 1, it is that wavy solid component is staggered and constitutes that the speaker rhombus solid speaker net after injection mo(u)lding can be regarded as by some cross sections, thus defining the first through hole 6 of rhombus between the crest and trough of wave.In conjunction with Fig. 4, the first through hole 6 of these rhombuses is gradually increased at depth direction area of section, is beneficial to dispersing of loudspeaker sound.For overall appearance and be easy to the injection moulding demoulding, the top of first knuckle assembly the 2, second knuckle assembly 3, W shape assembly 4 and M shape assembly 5 is all made fillet and is processed in cambered surface, the upper notch of W shape assembly 4 and M shape assembly 5 and lower recess also do fillet and process so that the one of which diagonal angle of the first through hole 6 of the rhombus of formation is rounded.
The through-hole rate of comparison diagram 1 and Fig. 7, the present embodiment speaker rhombus solid speaker net of the same area and the flat speaker net of manhole is that circular net is 27.6%, and rhombus net is 29.9%, and rhombus net through-hole rate promotes 2.3% than circular net.Circular net material therefor 1864.9mm3, rhombus net material therefor 1611.8mm3, rhombus net is than circular net material-saving 13.6%.Analyzing through MOLDFLOW, the speaker net of wide 34mm height 33.5mm is when identical Shooting Technique, and buckling deformation amount is suitable, and circular net maximum deformation quantity 0.0274mm, rhombus net is 0.0262mm.Analyzing through AbaqusCAE, in the middle of speaker net, the region of 3mm*3mm applies the power of a downward 50N of vertical mould, and both maximum displacements are suitable, so intensity is suitable, circular port maximum displacement is 0.335mm, and rhombus net is 0.381mm.
Claims (7)
- null1. a speaker rhombus solid speaker net，Some mesh cells including matrix arrangement，Described mesh cells includes the first knuckle assembly、Second knuckle assembly、W shape assembly and M shape assembly，The upper notch of described W shape assembly and the lower recess of M shape assembly enclose and constitute the first through hole that cross section is rhombus，Described first knuckle assembly is provided with the first opening，Described second knuckle assembly is provided with the second opening，Described first knuckle assembly and W shape assembly constitute the 3rd opening and the 4th opening，Described second knuckle assembly and M shape assembly constitute the 5th opening and the 6th opening，Described W shape assembly and M shape assembly constitute the 7th opening and the 8th opening，3rd opening of two adjacent described mesh cells and the 5th opening or the 4th opening and the 6th opening constitute the through hole identical with described first through-hole structure，First opening of four adjacent described mesh cells、Second opening、7th opening and the 8th opening constitute the through hole identical with described first through-hole structure；Described W shape assembly and M shape assembly are at upper notch place height higher than the height in lower indent, and described first knuckle assembly is identical in lower indent structure with described W shape assembly, and described second knuckle assembly is identical in upper notch place structure with described W shape assembly.
- 2. speaker rhombus solid speaker net according to claim 1, it is characterised in that one group of diagonal angle of described first through hole is fillet.
- 3. speaker rhombus solid speaker net according to claim 2, it is characterised in that described fillet is made up of the upper notch of described W shape assembly and the lower recess of M shape assembly.
- 4. speaker rhombus solid speaker net according to claim 1, it is characterised in that described first through hole is gradually increased at depth direction area of section.
- 5. speaker rhombus solid speaker net according to claim 1, it is characterised in that described W shape assembly is identical at upper notch place height with M shape assembly.
- 6. speaker rhombus solid speaker net according to claim 1, it is characterised in that described W shape assembly is identical at lower indent height with M shape assembly.
- 7. speaker rhombus solid speaker net according to claim 1, it is characterised in that the end face of described W shape assembly and M shape assembly is the inclined-plane tilted by the downward recess of upper notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610097111.8A CN105744432B (en) | 2016-02-23 | 2016-02-23 | Loud speaker diamond shape solid speaker net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610097111.8A CN105744432B (en) | 2016-02-23 | 2016-02-23 | Loud speaker diamond shape solid speaker net |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105744432A true CN105744432A (en) | 2016-07-06 |
| CN105744432B CN105744432B (en) | 2018-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610097111.8A Active CN105744432B (en) | 2016-02-23 | 2016-02-23 | Loud speaker diamond shape solid speaker net |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201669842U (en) * | 2010-04-24 | 2010-12-15 | 宁海茂盛模具有限公司 | Hexagonal honeycomb-shaped structural reinforcing rib of shell plate for injection molding product |
| CN102547495A (en) * | 2010-12-21 | 2012-07-04 | 东莞市漫步者科技有限公司 | Sound box with woven surface mesh, and assembly fixture and method for sound box |
| US20140233779A1 (en) * | 2006-04-14 | 2014-08-21 | Murray R. Harman | Electrostatic Loudspeaker Capable of Dispersing Sound Both Horizontally and Vertically |
| CN204180219U (en) * | 2014-06-10 | 2015-02-25 | 北京汽车研究总院有限公司 | A kind of all-in-one-piece loudspeaker net cover structure and automobile |
| CN204415244U (en) * | 2015-01-30 | 2015-06-24 | 安徽江淮汽车股份有限公司 | A kind of automobile loud horn cover |
-
2016
- 2016-02-23 CN CN201610097111.8A patent/CN105744432B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140233779A1 (en) * | 2006-04-14 | 2014-08-21 | Murray R. Harman | Electrostatic Loudspeaker Capable of Dispersing Sound Both Horizontally and Vertically |
| CN201669842U (en) * | 2010-04-24 | 2010-12-15 | 宁海茂盛模具有限公司 | Hexagonal honeycomb-shaped structural reinforcing rib of shell plate for injection molding product |
| CN102547495A (en) * | 2010-12-21 | 2012-07-04 | 东莞市漫步者科技有限公司 | Sound box with woven surface mesh, and assembly fixture and method for sound box |
| CN204180219U (en) * | 2014-06-10 | 2015-02-25 | 北京汽车研究总院有限公司 | A kind of all-in-one-piece loudspeaker net cover structure and automobile |
| CN204415244U (en) * | 2015-01-30 | 2015-06-24 | 安徽江淮汽车股份有限公司 | A kind of automobile loud horn cover |
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| Publication number | Publication date |
|---|---|
| CN105744432B (en) | 2018-09-25 |
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Address after: 215500 No. 288, Hai Yu Bei Road, Changshou City, Suzhou, Jiangsu. Patentee after: Jiangsu Changshu automobile decoration Group Co.,Ltd. Address before: 215500 No. 288, Hai Yu Bei Road, Changshou City, Suzhou, Jiangsu. Patentee before: CHANGSHU AUTOMOTIVE TRIM Co.,Ltd. |