CN203813951U - An apparatus for raising power of a loudspeaker driver - Google Patents
An apparatus for raising power of a loudspeaker driver Download PDFInfo
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- CN203813951U CN203813951U CN201420083924.8U CN201420083924U CN203813951U CN 203813951 U CN203813951 U CN 203813951U CN 201420083924 U CN201420083924 U CN 201420083924U CN 203813951 U CN203813951 U CN 203813951U
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- voice coil
- loudspeaker
- coil
- speech
- sound film
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- 239000000463 material Substances 0.000 claims abstract description 32
- 229920003223 poly(pyromellitimide-1,4-diphenyl ether) Polymers 0.000 claims abstract description 13
- 230000002787 reinforcement Effects 0.000 claims description 6
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- 239000010408 film Substances 0.000 description 33
- 238000009413 insulation Methods 0.000 description 9
- 239000002356 single layer Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 6
- 239000004642 Polyimide Substances 0.000 description 5
- 229920001721 polyimide Polymers 0.000 description 5
- 239000004696 Poly ether ether ketone Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229920002530 polyetherether ketone Polymers 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002365 multiple layer Substances 0.000 description 2
- 229920006259 thermoplastic polyimide Polymers 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
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- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses an apparatus for raising power of a loudspeaker driver comprising a loudspeaker driver body. The apparatus for raising the power of the loudspeaker driver is characterized in that the loudspeaker driver body comprises a voice coil and a voice diaphragm matched with the voice coil; the voice coil is arranged on the lower portion of the voice diaphragm correspondingly; the voice coil comprises a voice coil skeleton and a voice coil wire; and the voice coil wire winds around the two sides of an internal and an external side of the voice coil skeleton to form an inner coil structure and an outer coil structure. The apparatus for raising the power of the loudspeaker driver of the utility model employs a 90mm to 150mm large-diameter voice coil. The voice coil wire winds around the two sides of the internal and the external side of the voice coil skeleton and the voice coil skeleton employs highl temperature resistant, insulating and thermal isolating kapton high molecular materials. Such a unique structure with the materials enables a radiating surface of the voice coil to be broader and the heat radiation speed to be faster. The power of the loudspeaker driver can be greatly raised to be above 150W.
Description
Technical field
The utility model relates to stereo set manufacturing technology field, particularly a kind of device that improves loudspeaker drive power.
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 voice coil loudspeaker voice coil sound film is the critical component that it improves sensitivity, improves power and improve frequency response range.But existing voice coil loudspeaker voice coil structure is science not, the voice coil line of employing is circle line body, and its coiling form only just carries out the coiling of multiple-layer stacked in the outside of speech coil framework, the heat radiation surface of a side outside only having, and thermal diffusivity extreme difference, has limited the raising of power.At present, loudspeaker drive power on the market only has 35W left and right, can not meet growing sound equipment performance requirement.
Meanwhile, the deficiencies such as heat-resisting, the resistance to compression of the voice coil loudspeaker voice coil adopting due to existing loudspeaker drive and sound membrane material, alternation intensity, have restricted the leading indicators such as power, Hz-KHz, useful life of driver.
Kapton macromolecular material is the trade name of polyimides (PI) thin-film material of du pont company (DuPont) production.PI is the higher family macromolecule material of thermal endurance growing up the 1950's, has good chemical stability, heat-resisting quantity, robustness, resistance to wear, anti-flammability, electrical insulating property etc.
Peek macromolecular material is the abbreviation of polyether-ether-ketone, and its English name is polyetheretherketone, and it is the linear aromatic polymer compound that contains chain link in molecular backbone.Its component unit is oxygen-to phenylene-oxygen-carbonyl-to phenylene, be hemicrystalline, thermoplastics.
But, at present, not yet find the speech coil framework made by described Kapton material, also find the sound film product that adopts peek material to make.
The utility model adopts new material, new technology and new construction, realizes performances such as improving loudspeaker drive power, sensitivity and useful life.
Utility model content
For the deficiencies in the prior art, the utility model provides a kind of device of the raising loudspeaker drive power addressing the above problem.
The technical scheme that the utility model adopts is for achieving the above object:
Improve a device for loudspeaker drive power, it comprises a loudspeaker drive body, it is characterized in that: this loudspeaker drive body comprises voice coil loudspeaker voice coil and suitable sound film with it, and described voice coil loudspeaker voice coil correspondence is arranged at sound film bottom; Described voice coil loudspeaker voice coil comprises speech coil framework and voice coil line, and described voice coil line is around in 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 90mm to 150mm; Described voice coil line is around in the inside and outside both sides of speech coil framework with single or multiple lift version.Described voice coil line is rectangle lenticular wire body or round wire body.Described speech coil framework is kapton macromolecular material member, and described sound film is peek macromolecular material member.
Wherein said speech coil framework and sound film, the member of the preparation that is all formed in one, it is equipped with the reinforcement rib protruding to surface, one or both sides; This rib is centrosymmetric, evenly interval, radial distribution, and every rib is justified mind-set circumferencial direction by oneself and extended, and its thickness is speech coil framework or other position thickness of sound film 1.1～1.4 times.
Described loudspeaker drive body also comprises basin frame, the magnetic circuit system of high pitch cylinder body, set sound film and voice coil loudspeaker voice coil, compression-type equalizer structure, diffused equalizer structure, EVA pad, Air Filter, lining lid and radiator post; The upper end of described voice coil loudspeaker voice coil is fixed to sound film, 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.
The method corresponding with the device of above-mentioned raising loudspeaker drive power, it specifically comprises the steps:
1) voice coil loudspeaker voice coil is set, this voice coil loudspeaker voice coil 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 90mm to 150mm, and described voice coil line is around in the inside and outside both sides of speech coil framework with single layer structure form (or sandwich construction form).Described speech coil framework is kapton macromolecular material member; Described voice coil line is rectangle lenticular wire body (or round wire body adopts rectangle lenticular wire body performance more excellent, but according to needs of production and the market demand, adopts round wire body to have higher cost performance).
Adopt 90mm to 150mm major diameter voice coil loudspeaker voice coil, kapton macromolecular material is high temperature resistant, insulation and thermal insulation, in addition, the inside and outside coiling of voice coil line, the voice coil loudspeaker voice coil coil of formation external and internal compositions form, can increase considerably heat radiation radiating surface, thermal radiation is faster, thereby improves the power that it can bear.
2) arrange one with the suitable sound film of described voice coil loudspeaker voice coil, this sound film is that peek macromolecular material is hot-forming, it is specially peviform sound film.The crystalline substance of peek macromolecular material is as even structure, and distortion rate is little.
3) be arranged in loudspeaker drive body described voice coil loudspeaker voice coil is corresponding with sound film, thereby improve the power of loudspeaker drive.
Wherein said speech coil framework and sound film, the member of the preparation that is all formed in one, it is equipped with the reinforcement rib protruding to surface, one or both sides; This rib is centrosymmetric, evenly interval, radial distribution, and every rib is justified mind-set circumferencial direction by oneself and extended, and its thickness is speech coil framework or other position thickness of sound film 1.1～1.4 times.
The utility model has the advantage of: the utility model adopts 90mm to 150mm major diameter voice coil loudspeaker voice coil, voice coil line is around in the inside and outside both sides of speech coil framework, and speech coil framework adopts, and kapton macromolecular material and rib high temperature resistant, insulation and thermal insulation are strengthened structure, such structure adds material, make the radiating surface of voice coil loudspeaker voice coil wider, thermal radiation is faster, increases substantially the power of loudspeaker drive, more than can reaching 150W.
Below in conjunction with accompanying drawing and embodiment, the utility model is further illustrated.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of voice coil loudspeaker voice coil, sound film;
Fig. 2 is another visual angle structural representation of Fig. 1;
Fig. 3 is 1 sectional structure schematic diagram;
Fig. 4 is the A portion partial schematic diagram of Fig. 3;
Fig. 5 is the structural representation of single layer structure form, rectangle lenticular wire body voice coil loudspeaker voice coil;
Fig. 6 is the structural representation of sandwich construction form, round wire body voice coil loudspeaker voice coil;
Fig. 7 is the structural representation of traditional voice coil loudspeaker voice coil.
Fig. 8 is loudspeaker drive overall structure schematic diagram;
Fig. 9 is the fractionation structural representation of Fig. 8;
Wherein:
1, high pitch cylinder body 2, basin frame 3, sound film
4, voice coil loudspeaker voice coil 41, speech coil framework 42, voice coil line
5, compression-type equalizer structure 6, diffused equalizer structure
7, EVA pad 8, Air Filter 9, lining lid
10, radiator post
Embodiment
Embodiment 1:
Referring to Fig. 1～Fig. 4, the utility model provides a kind of device that improves loudspeaker drive power, it comprises a loudspeaker drive body, and this loudspeaker drive body comprises voice coil loudspeaker voice coil 4 and suitable sound film 3 with it, and described voice coil loudspeaker voice coil 4 correspondences are arranged at sound film 3 bottoms; Described voice coil loudspeaker voice coil 4 comprises speech coil framework 41 and voice coil line 42, and described voice coil line 42 is around in the inside and outside both sides of speech coil framework 41, forms inner, external wire coil structures.
Described sound film 3 is for peek macromolecular material is by hot-forming hollow basin-shaped component.The diameter of described voice coil loudspeaker voice coil 4 is 80mm to 120mm.Described voice coil line 42 is around in the inside and outside both sides of speech coil framework with single layer structure form.Described speech coil framework 41 is kapton macromolecular material member, and described voice coil line 42 is rectangle lenticular wire body.
Referring to Fig. 5, described voice coil line 42 can be inside and outside respectively around a circle, forms single layer structure; Also can inside and outside respectively around multi-turn, pasting speech coil framework 41 mutually side by side, form single layer structure.Than traditional voice coil loudspeaker voice coil, referring to Fig. 7, its voice coil line adopting 42 is circle line bodies, and its coiling form is, only just in the outside of speech coil framework 41, carry out the coiling of multiple-layer stacked, only have the heat radiation surface in outside, thermal diffusivity extreme difference, has limited the raising of loudspeaker drive power widely.
Referring to Fig. 8 to Fig. 9, described loudspeaker drive body also comprises basin frame 2, the magnetic circuit system of high pitch cylinder body 1, set sound film and voice coil loudspeaker voice coil, and compression-type equalizer structure 5, diffused equalizer structure 6, EVA pad 7, Air Filter 8, lining cover 9 and radiator post 10; The upper end of described voice coil loudspeaker voice coil 4 is fixed to sound film 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.
In the present embodiment, the Kapton macromolecular material that speech coil framework 41 adopts, can be one of Thermocurable polyimide, thermoplastic polyimide and enhancement mode polyimides, preferred thermoplastic polyimides wherein, its continuous operation temperature is up to 220 ℃, and good rigidly, thermal coefficient of expansion, moisture absorption and dielectric constant are all lower, can improve targetedly intensity, thermal stability and the insulation property of major diameter voice coil loudspeaker voice coil.
Sound film 3 in the present embodiment adopts PEEK (polyether-ether-ketone) plastic material resin, there is good toughness and rigidity, it possesses the good fatigue durability to alternate stress matching in excellence or beauty with alloy material, thermal coefficient of expansion is little, good stability of the dimension, can expand Hz-KHz the life-saving of driver.
The present embodiment adopt speech coil framework 41 and sound film 3, the macromolecular material member of the preparation that is all formed in one, it is equipped with the reinforcement rib protruding to surface, one or both sides; This rib is centrosymmetric, evenly interval, radial distribution, and every rib is justified mind-set circumferencial direction by oneself and extended, and its thickness is speech coil framework or other position thickness of sound film 1.1～1.4 times.
The thickness of the speech coil framework 41 of the utility model unique design and the reinforcement rib of sound film 3 is speech coil framework or other position thickness of sound film 1.1～1.4 times, through reality, detect and show, its rigidity, thermal coefficient of expansion, the combination properties such as fatigue resistance of assigning under stress are the best, exceed this scope and there will be combination property to decline, even occur reverse effect.
The method corresponding with the device of above-mentioned raising loudspeaker drive power, it specifically comprises the steps:
1) voice coil loudspeaker voice coil 4 is set, this voice coil loudspeaker voice coil 4 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 described voice coil line 42 is around in the inside and outside both sides of speech coil framework 41 with single layer structure form.Described speech coil framework 41 is kapton macromolecular material member; Described voice coil line 42 is rectangle lenticular wire body.
Adopt 90mm to 150mm major diameter voice coil loudspeaker voice coil, kapton macromolecular material is high temperature resistant, insulation and thermal insulation, in addition, the inside and outside coiling of voice coil line, the voice coil loudspeaker voice coil coil of formation external and internal compositions form, can increase considerably heat radiation radiating surface, thermal radiation is faster, thereby improves the power that it can bear;
2) arrange one with the suitable sound film 3 of described voice coil loudspeaker voice coil 4; This sound film is that peek macromolecular material is hot-forming, and it is specially peviform sound film; The crystalline substance of peek macromolecular material is as even structure, and distortion rate is little;
3) be arranged in loudspeaker drive body described voice coil loudspeaker voice coil 4 is corresponding with sound film 3, thereby improve the power of loudspeaker drive.
Wherein said speech coil framework 41 and sound film 3, the macromolecular material member of the preparation that is all formed in one, it is equipped with the reinforcement rib protruding to surface, one or both sides; This rib is centrosymmetric, evenly interval, radial distribution, and every rib is justified mind-set circumferencial direction by oneself and extended, and its thickness is speech coil framework or other position thickness of sound film 1.1～1.4 times.
Embodiment 2:
Embodiment 2 is substantially the same manner as Example 1, and its difference is: referring to Fig. 6, described voice coil line 42 is around in the inside and outside both sides of speech coil framework 41 with sandwich construction form.Described voice coil line 42 is round wire body, according to needs of production and the market demand, adopts round wire body to have higher cost performance.
In addition, it should be noted that: voice coil line is rectangle lenticular wire body or round wire body; With single or multiple lift version, be around in the inside and outside both sides of speech coil framework; It can carry out free collocation according to actual conditions.As: single layer structure form and the combination of rectangle lenticular wire body; Single layer structure form and the combination of round wire body; Sandwich construction form and the combination of rectangle lenticular wire body; Sandwich construction form and the combination of round wire body.
The utility model adopts 90mm to 150mm major diameter voice coil loudspeaker voice coil, voice coil line is around in the inside and outside both sides of speech coil framework, and speech coil framework employing is high temperature resistant, the kapton macromolecular material of insulation and thermal insulation, such unique texture adds material, make the radiating surface of voice coil loudspeaker voice coil wider, thermal radiation speed is faster, can increase substantially the power of loudspeaker drive, more than can reaching 150W, and the life-span of prolongation loudspeaker drive.
The utility model is not limited to above-mentioned execution mode, and all employings and the utility model analog structure are realized all modes of the utility model object, all within protection range of the present utility model.
Claims (5)
1. improve a device for loudspeaker drive power, it comprises a loudspeaker drive body, it is characterized in that: this loudspeaker drive body comprises voice coil loudspeaker voice coil and suitable sound film with it, and described voice coil loudspeaker voice coil correspondence is arranged at sound film bottom; Described voice coil loudspeaker voice coil comprises speech coil framework and voice coil line, and described voice coil line is around in the inside and outside both sides of speech coil framework, forms inner, external wire coil structures.
2. the device of raising loudspeaker drive power according to claim 1, is characterized in that: the diameter of described voice coil loudspeaker voice coil is 90mm to 150mm.
3. the device of raising loudspeaker drive power according to claim 1, is characterized in that: described voice coil line is around in the inside and outside both sides of speech coil framework with single or multiple lift version.
4. the device of raising loudspeaker drive power according to claim 1, is characterized in that: described voice coil line is rectangle lenticular wire body or round wire body.
5. the device of raising loudspeaker drive power according to claim 1, is characterized in that: described speech coil framework is kapton macromolecular material member, and described sound film is peek macromolecular material member; And described speech coil framework and sound film, be equipped with the reinforcement rib protruding to surface, one or both sides; This rib is centrosymmetric, evenly interval, radial distribution, and every rib is justified mind-set circumferencial direction by oneself and extended, and its thickness is speech coil framework or other position thickness of sound film 1.1～1.4 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420083924.8U CN203813951U (en) | 2014-02-26 | 2014-02-26 | An apparatus for raising power of a loudspeaker driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420083924.8U CN203813951U (en) | 2014-02-26 | 2014-02-26 | An apparatus for raising power of a loudspeaker driver |
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| Publication Number | Publication Date |
|---|---|
| CN203813951U true CN203813951U (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420083924.8U Expired - Lifetime CN203813951U (en) | 2014-02-26 | 2014-02-26 | An apparatus for raising power of a loudspeaker driver |
Country Status (1)
| Country | Link |
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| CN (1) | CN203813951U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103873992A (en) * | 2014-02-26 | 2014-06-18 | 谭红梅 | Method and device for improving power of loudspeaker driver |
| WO2021093117A1 (en) * | 2019-11-11 | 2021-05-20 | 歌尔股份有限公司 | Diaphragm and sound production device |
| CN112839288A (en) * | 2021-01-09 | 2021-05-25 | 广州市声讯电子科技股份有限公司 | Special high-temperature-resistant transducer sound film |
-
2014
- 2014-02-26 CN CN201420083924.8U patent/CN203813951U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103873992A (en) * | 2014-02-26 | 2014-06-18 | 谭红梅 | Method and device for improving power of loudspeaker driver |
| WO2021093117A1 (en) * | 2019-11-11 | 2021-05-20 | 歌尔股份有限公司 | Diaphragm and sound production device |
| CN112839288A (en) * | 2021-01-09 | 2021-05-25 | 广州市声讯电子科技股份有限公司 | Special high-temperature-resistant transducer sound film |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170508 Address after: 1101 room 10, No. 510663, 3rd Street, branch development center, Science City, Guangzhou hi tech Industrial Development Zone, Guangdong, China Patentee after: GUANGZHOU ORIENTAL TECHNOLOGY CO.,LTD. Address before: 523000 Guangdong province Dongguan Nancheng District week Xilong Xi Road No. 5, Goldman Goldman Technology Science Park Building Room 806 Patentee before: GONGGUAN GOSCIEN ELECTRICAL AND MECHANICAL TECHNOLOGY SERVICES Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140903 |