CN203827508U - Device for improving sensitivity of loudspeaker driver - Google Patents
Device for improving sensitivity of loudspeaker driver Download PDFInfo
- Publication number
- CN203827508U CN203827508U CN201420083989.2U CN201420083989U CN203827508U CN 203827508 U CN203827508 U CN 203827508U CN 201420083989 U CN201420083989 U CN 201420083989U CN 203827508 U CN203827508 U CN 203827508U
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- Prior art keywords
- voice coil
- sensitivity
- magnetic
- cylinder body
- equalizer structure
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- Expired - Lifetime
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- 230000035945 sensitivity Effects 0.000 title claims abstract description 28
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims description 10
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 10
- 239000011358 absorbing material Substances 0.000 claims description 8
- 241001503991 Consolida Species 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 238000004512 die casting Methods 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 102200163550 rs63750580 Human genes 0.000 claims description 3
- 239000002356 single layer Substances 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 abstract 4
- 238000010586 diagram Methods 0.000 description 2
- LVYZJEPLMYTTGH-UHFFFAOYSA-H dialuminum chloride pentahydroxide dihydrate Chemical compound [Cl-].[Al+3].[OH-].[OH-].[Al+3].[OH-].[OH-].[OH-].O.O LVYZJEPLMYTTGH-UHFFFAOYSA-H 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a device for improving the sensitivity of a loudspeaker driver. The device includes a high-pitch cylinder body, a basin stand, a magnetic-circuit system, a vibrating diaphragm and a voice coil, which are combined with the basin stand, a compression-type equalizer structure, an expansion-type equalizer structure, an EVA spacer, a dustproof net, a lining cover and a radiator column. The upper end of the voice coil is fixed to the vibrating diaphragm and the lower end of the voice coil threads into a magnetic gap of the magnetic-circuit system. The basin stand is arranged at an opening of the high-pitch cylinder body. The magnetic-circuit system is arranged in the high-pitch cylinder body. The compression-type equalizer structure is connected with the basin stand. The expansion-type equalizer structure is arranged in the high-pitch cylinder body. The EVA spacer is a sheet member, the whole contour shape of which is annular. The dustproof net is arranged at the middle part of the EVA spacer. The EVA spacer is arranged at the bottom part of the high-pitch cylinder body. The lining cover is connected with the radiator column. The lining cover is connected with the compression-type equalizer structure.
Description
Technical field
The utility model relates to stereo set technical field, particularly a kind of device that improves loudspeaker drive sensitivity.
Background technology
Along with the development of scientific research technology, the performance of sound equipment to be had higher requirement, its requirement has the characteristics such as high sensitivity, high-power and wide frequency range.
And eqalizing cricuit is its raising sensitivity, increasing power and a critical component that increases frequency range, but, existing equalizer structure complexity, is unfavorable for manufacturing, and is also unfavorable for assembling, simultaneously, the Structural Tectonics complexity of existing driver, its sensitivity is not high, existing loudspeaker drive on the market, its accessible sensitivity is: 102db～105db, can not meet growing material and cultural needs.
Utility model content
For the deficiencies in the prior art, the utility model provides a kind of device of the raising loudspeaker drive sensitivity addressing the above problem.
The utility model for achieving the above object and adopt technical scheme be:
A kind of device that improves loudspeaker drive sensitivity, it comprises that a high pitch cylinder body, a basin frame, a magnetic circuit system, are incorporated into vibrating diaphragm and a voice coil loudspeaker voice coil of basin frame, a compression-type equalizer structure, a diffused equalizer structure, an EVA pad, an Air Filter, lining lid and a radiator post; The upper end of described voice coil loudspeaker voice coil is fixed to vibrating diaphragm, and lower end penetrates in the magnetic gap of magnetic circuit system; Described basin sets up the opening part that is placed in high pitch cylinder body, and described magnetic circuit system is arranged at the inside of high pitch cylinder body; Described compression-type equalizer structure is connected with basin frame, and described diffused equalizer structure is arranged at the inside of high pitch cylinder body; Described EVA pad, it is the ringwise sheet element of an overall profile shape, and described Air Filter is arranged at the middle part of EVA pad, and described EVA pad is arranged at the bottom of high pitch cylinder body; Described lining lid is connected with radiator post, and described lining lid is connected with compression-type equalizer structure.
Described high pitch cylinder body, it is the cavity member of a hollow of being prepared by die casting aluminium, the cavity of its hollow forms a bugle; Its inside also has additional the sound-absorbing material for shielded metal self rattle, described sound-absorbing material, and it is acoustical cotton.
Described magnetic circuit system, it magnet and one that comprises that a magnetic cup, is placed in magnetic cup is arranged on magnet and is placed in the washer in magnetic cup, described magnet, the strong magnet that it is prepared for neodymium iron boron, the neodymium iron boron strong magnet that its preferred model is N38H.
Described magnetic cup, magnet, washer are a circulus, described magnet, the equal diameters of washer, and be all less than the diameter of magnetic cup, between described washer, magnet and magnetic cup, form a magnetic gap.
Described voice coil loudspeaker voice coil, it comprises speech coil framework and voice coil line, described voice coil line is around in to the inside and outside both sides of speech coil framework, forms inner, external wire coil structures.
The diameter of described voice coil loudspeaker voice coil is 80mm to 120mm, and it is around in the inside and outside both sides of speech coil framework with single layer structure form; Described voice coil loudspeaker voice coil penetrates in magnetic gap, and the distance proportion in described voice coil loudspeaker voice coil and the inner side of magnetic gap, outside is 0.46:0.54.
Described compression-type equalizer structure, it comprises first device body, its middle part is provided with a circular hole, form multiple air chamber passages around described circular hole, described air chamber passage comprises towards the sound wave entrance of sound film, the reflecting slant relative with sound film, two sides, an end face, a bottom surface and a sound wave towards circular hole outlet; And the sound wave entrance of described air chamber passage is helix and distributes, and the sound wave entrance of each air chamber passage and the distance at body center are not etc.
Described eqalizing cricuit body, it is combined by two the first annular main bodys and the second main body, and multiple sound wave entrances and multiple bottom surface are set in the first wherein said main body in the shape of a spiral, and many group first sides corresponding with sound wave entrance, between sidewall, form passage; In described the second main body, arrange reflecting slant, end face and with corresponding many groups of concordant the second sides, side in the first main body, rear the first side of i.e. combination and the second side form the side of each air chamber passage, and sound wave outlet is made up of the end face of bottom surface, the first side and second main body of the first main body.
The sound wave exit of described each air chamber passage is provided with extension, and extension is pointed, towards diffused equalizer structure.
The utility model passes through to adopt the inside and outside winding structure of the line body on voice coil loudspeaker voice coil, and adopts large diameter voice coil loudspeaker voice coil, improves on the one hand power, the magnetic energy utilization rate of driver, on the other hand, also can improve the sensitivity of driver.
The utility model adopts neodymium iron boron strong magnet, and voice coil loudspeaker voice coil is to the reasonable distribution of magnetic gap inner side, outer lateral extent, further strengthens the sensitivity of driver of the present utility model.
The utility model is used in combination by compression-type equalizer structure, diffused equalizer structure, makes the sensitivity of driver reach 103～107db.
Meanwhile, the utility model forms the high pitch cylinder body of a bugle by the cavity that adopts die casting aluminium preparation, inside to set up sound-absorbing material and hollow, make the sensitivity of driver reach 105～107db.
Below in conjunction with accompanying drawing and embodiment, the utility model is further illustrated.
Brief description of the drawings
Fig. 1 is cutaway view of the present utility model;
Fig. 2 is overall structure schematic diagram of the present utility model;
Fig. 3 is the decomposition texture schematic diagram of Fig. 2;
Fig. 4 is the structural representation of the first main body of compression-type equalizer structure;
Fig. 5 is the structural representation of the second main body of compression-type equalizer structure;
Fig. 6 is the structural representation of voice coil loudspeaker voice coil of the present utility model;
Fig. 7 is the structural representation of traditional voice coil loudspeaker voice coil;
Wherein:
1, high pitch cylinder body 2, basin frame 3, vibrating diaphragm
4, voice coil loudspeaker voice coil 5, compression-type equalizer structure 6, diffused equalizer structure
7, EVA pad 8, Air Filter 9, lining lid
10, radiator post 11, bugle 12, acoustical cotton
13, magnetic cup 14, magnet 15, washer
16, the first main body 17, the second main body 18, sound wave entrance
19, bottom surface 20, the first side 21, extension
22, reflecting slant 23, end face 24, the second side
41, speech coil framework 42, voice coil line
Embodiment
Referring to Fig. 1～Fig. 5, the utility model provides a kind of device that improves loudspeaker drive sensitivity, it comprises that a high pitch cylinder body 1, a basin frame 2, a magnetic circuit system, are incorporated into the vibrating diaphragm 3 of basin frame 2 and voice coil loudspeaker voice coil 4, one compression-type equalizer structures 5, a diffused equalizer structure 6, an EVA pad 7, an Air Filter 8, a lining and cover 9 and a radiator post 10; The upper end of described voice coil loudspeaker voice coil 4 is fixed to vibrating diaphragm 3, and lower end penetrates in the magnetic gap of magnetic circuit system; Described basin frame 2 is arranged at the opening part of high pitch cylinder body 1, and described magnetic circuit system is arranged at the inside of high pitch cylinder body 1; Described compression-type equalizer structure 5 is connected with basin frame 2, and described diffused equalizer structure 6 is arranged at the inside of high pitch cylinder body 1; Described EVA pad 7, it is the ringwise sheet element of an overall profile shape, and described Air Filter 8 is arranged at the middle part of EVA pad 7, and described EVA pad 7 is arranged at the bottom of high pitch cylinder body 1; Described lining lid 9 is connected with radiator post 10, and described lining lid 9 is connected with compression-type equalizer structure 5.
Described high pitch cylinder body 1, it is the cavity member of a hollow of being prepared by die casting aluminium, the cavity of its hollow forms a bugle 11; Its inside also has additional the sound-absorbing material for shielded metal self rattle, described sound-absorbing material, and it is acoustical cotton 12.
Described magnetic circuit system, it comprises that a magnetic cup 13, the magnet 14 and one being placed in magnetic cup 13 are arranged on magnet 14 and are placed in the washer 15 in magnetic cup 13, described magnet 14, the strong magnet that it is prepared for neodymium iron boron, (the neodymium iron boron strong magnet that the utility model uses, the neodymium iron boron strong magnet of other models also can be used for realizing the technical solution of the utility model for neodymium iron boron strong magnet that its preferred model is N38H.)。
Described magnetic cup 13, magnet 14, washer 15 are a circulus, described magnet 14, the equal diameters of washer 15, and be all less than the diameter of magnetic cup 13, between described washer 15, magnet 14 and magnetic cup 13, form a magnetic gap.
Described voice coil loudspeaker voice coil 4 (described voice coil loudspeaker voice coil, its cross section is rectangle, circle or other geometry, can be according to the specific requirement of driver, be designed to as suitable geometry), it comprises speech coil framework 41 and voice coil line 42, described voice coil line 42 is around in to the inside and outside both sides of speech coil framework 41, forms inner, external wire coil structures.
The diameter of described voice coil loudspeaker voice coil 4 is 80mm to 120mm, and it is around in the inside and outside both sides of speech coil framework 41 with single layer structure form; Described voice coil loudspeaker voice coil 4 penetrates in magnetic gap, and described voice coil loudspeaker voice coil 4 is 0.46:0.54 with the inner side of magnetic gap, the distance proportion in outside.
Described compression-type equalizer structure 5, it comprises first device body, its middle part is provided with a circular hole, form multiple air chamber passages around described circular hole, described air chamber passage comprises towards the sound wave entrance 18 of sound film, the reflecting slant 22 relative with sound film, two sides, an end face 23, a bottom surface 19 and a sound wave towards circular hole outlet; And the sound wave entrance 18 of described air chamber passage is helix and distributes, the distance at the sound wave entrance of each air chamber passage 18 and body center is not etc.
Described eqalizing cricuit body, it is combined by two the first annular main bodys 16 and the second main body 17, in the first wherein said main body 16, multiple sound wave entrances 18 are set in the shape of a spiral, and multiple bottom surfaces 19, and many group first sides 20 corresponding with sound wave entrance 18, between sidewall, form passage; In described the second main body 17, arrange reflecting slant 22, end face 23 and with corresponding many groups of concordant the second sides 24, side in the first main body 16, rear the first side 20 of i.e. combination and the second side 24 form the side of each air chamber passage, and sound wave outlet is made up of the end face 23 of bottom surface 19, the first side 20 and second main body 17 of the first main body 16;
The sound wave exit of described each air chamber passage is provided with extension 21, and extension 21 is pointed, towards diffused equalizer structure 6.
The utility model passes through to adopt the inside and outside winding structure of the line body on voice coil loudspeaker voice coil, and adopts large diameter voice coil loudspeaker voice coil, improves on the one hand power, the magnetic energy utilization rate of driver, on the other hand, also can improve the sensitivity of driver.
The utility model adopts neodymium iron boron strong magnet, and voice coil loudspeaker voice coil is to the reasonable distribution of magnetic gap inner side, outer lateral extent, further strengthens the sensitivity of driver of the present utility model.
The utility model is used in combination by compression-type equalizer structure, diffused equalizer structure, makes the sensitivity of driver reach 103～107db.
Meanwhile, the utility model forms the high pitch cylinder body of a bugle by the cavity that adopts die casting aluminium preparation, inside to set up sound-absorbing material and hollow, make the sensitivity of driver reach 105～107db.
The utility model is not limited to above-mentioned execution mode, adopts the structure identical or approximate with the utility model above-described embodiment, all within protection range of the present utility model.
Claims (9)
1. one kind is improved the device of loudspeaker drive sensitivity, it is characterized in that: it comprises that a high pitch cylinder body, a basin frame, a magnetic circuit system, are incorporated into vibrating diaphragm and a voice coil loudspeaker voice coil of basin frame one compression-type equalizer structure, a diffused equalizer structure, an EVA pad, an Air Filter, lining lid and a radiator post; The upper end of described voice coil loudspeaker voice coil is fixed to vibrating diaphragm, and lower end penetrates in the magnetic gap of magnetic circuit system; Described basin sets up the opening part that is placed in high pitch cylinder body, and described magnetic circuit system is arranged at the inside of high pitch cylinder body; Described compression-type equalizer structure is connected with basin frame, and described diffused equalizer structure is arranged at the inside of high pitch cylinder body; Described EVA pad, it is the ringwise sheet element of an overall profile shape, and described Air Filter is arranged at the middle part of EVA pad, and described EVA pad is arranged at the bottom of high pitch cylinder body; Described lining lid is connected with radiator post, and described lining lid is connected with compression-type equalizer structure.
2. the device of raising loudspeaker drive according to claim 1 sensitivity, is characterized in that: described high pitch cylinder body, and it is the cavity member of a hollow of being prepared by die casting aluminium, the cavity of its hollow forms a bugle; Its inside also has additional the sound-absorbing material for shielded metal self rattle, described sound-absorbing material, and it is acoustical cotton.
3. the device of raising loudspeaker drive according to claim 1 sensitivity, it is characterized in that: described magnetic circuit system, it magnet and one that comprises that a magnetic cup, is placed in magnetic cup is arranged on magnet and is placed in the washer in magnetic cup, described magnet, the strong magnet that it is prepared for neodymium iron boron, the neodymium iron boron strong magnet that its preferred model is N38H.
4. the device of raising loudspeaker drive according to claim 3 sensitivity, it is characterized in that: described magnetic cup, magnet, washer are a circulus, described magnet, the equal diameters of washer, and be all less than the diameter of magnetic cup, between described washer, magnet and magnetic cup, form a magnetic gap.
5. the device of raising loudspeaker drive according to claim 1 sensitivity, is characterized in that: described voice coil loudspeaker voice coil, it comprises speech coil framework and voice coil line, described voice coil line is around in to the inside and outside both sides of speech coil framework, forms inner, external wire coil structures.
6. the device of raising loudspeaker drive according to claim 1 sensitivity, is characterized in that: the diameter of described voice coil loudspeaker voice coil is 80mm to 120mm, and it is around in the inside and outside both sides of speech coil framework with single layer structure form; Described voice coil loudspeaker voice coil penetrates in magnetic gap, and the distance proportion in described voice coil loudspeaker voice coil and the inner side of magnetic gap, outside is 0.46:0.54.
7. the device of raising loudspeaker drive according to claim 1 sensitivity, it is characterized in that: described compression-type equalizer structure, it comprises first device body, its middle part is provided with a circular hole, form multiple air chamber passages around described circular hole, described air chamber passage comprises towards the sound wave entrance of sound film, the reflecting slant relative with sound film, two sides, an end face, a bottom surface and a sound wave towards circular hole outlet; And the sound wave entrance of described air chamber passage is helix and distributes, and the sound wave entrance of each air chamber passage and the distance at body center are not etc.
8. the device of raising loudspeaker drive according to claim 7 sensitivity, it is characterized in that: described eqalizing cricuit body, it is combined by two the first annular main bodys and the second main body, multiple sound wave entrances are set in the first wherein said main body in the shape of a spiral, and multiple bottom surfaces, and many group first sides corresponding with sound wave entrance, between sidewall, form passage; In described the second main body, arrange reflecting slant, end face and with corresponding many groups of concordant the second sides, side in the first main body, rear the first side of i.e. combination and the second side form the side of each air chamber passage, and sound wave outlet is made up of the end face of bottom surface, the first side and second main body of the first main body.
9. the device of raising loudspeaker drive according to claim 7 sensitivity, is characterized in that: the sound wave exit of described each air chamber passage is provided with extension, and extension is pointed, towards diffused equalizer structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420083989.2U CN203827508U (en) | 2014-02-26 | 2014-02-26 | Device for improving sensitivity of loudspeaker driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420083989.2U CN203827508U (en) | 2014-02-26 | 2014-02-26 | Device for improving sensitivity of loudspeaker driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203827508U true CN203827508U (en) | 2014-09-10 |
Family
ID=51482959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420083989.2U Expired - Lifetime CN203827508U (en) | 2014-02-26 | 2014-02-26 | Device for improving sensitivity of loudspeaker driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203827508U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106358128A (en) * | 2016-09-21 | 2017-01-25 | 东莞市三基音响科技有限公司 | Alto voice compression type drive device |
| CN108737938A (en) * | 2017-04-20 | 2018-11-02 | 深圳市三诺数字科技有限公司 | A kind of dual-drive speaker device |
-
2014
- 2014-02-26 CN CN201420083989.2U patent/CN203827508U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106358128A (en) * | 2016-09-21 | 2017-01-25 | 东莞市三基音响科技有限公司 | Alto voice compression type drive device |
| CN106358128B (en) * | 2016-09-21 | 2019-05-14 | 东莞市三基音响科技有限公司 | Middle pitch compression driving device |
| CN108737938A (en) * | 2017-04-20 | 2018-11-02 | 深圳市三诺数字科技有限公司 | A kind of dual-drive speaker device |
| CN108737938B (en) * | 2017-04-20 | 2024-01-23 | 深圳市三诺数字科技有限公司 | Dual-drive loudspeaker device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 523000 building 3, No. 1, Nanqi street, Qiaotou East Road, Qiaotou town, Dongguan City, Guangdong Province Patentee after: 3G AUDIO TECHNOLOGY Co.,Ltd. Address before: 523000 No. 28, level village, Xiang He road, Dalang Town, Dongguan, Guangdong Patentee before: 3G AUDIO TECHNOLOGY Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140910 |
|
| CX01 | Expiry of patent term |