CN201422158Y - Acoustic resonance generator - Google Patents
Acoustic resonance generator Download PDFInfo
- Publication number
- CN201422158Y CN201422158Y CN2009201544445U CN200920154444U CN201422158Y CN 201422158 Y CN201422158 Y CN 201422158Y CN 2009201544445 U CN2009201544445 U CN 2009201544445U CN 200920154444 U CN200920154444 U CN 200920154444U CN 201422158 Y CN201422158 Y CN 201422158Y
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Abstract
The utility model discloses an acoustic resonance generator, which comprises an outer casing, a base, a magnetic body and a coil, wherein the outer casing is connected with the base, the magnetic bodyand the coil are disposed in an inner cavity of the outer casing, a vibration guiding support capable of moving up and down relative to the base is arranged on the same and penetrates through the base to extend into the inner cavity of the outer casing, the magnetic body is fixed on the inner top surface of the outer casing, the lower end of the magnetic body is fixedly equipped with a magnetizer, the lower end of the magnetizer is hung in air, the periphery of the magnetizer is erected with the encircling coil, an axis of the encircling coil is coincided with an axis of the magnetizer, and the encircling coil is fixed on the support. The acoustic resonance generator is small in vibration resistance, high in electro-acoustic conversion efficiency, loud in sound and low in frequency, and is low in price and fine in consistency by utilizing common magnetic materials and magnetic conducting materials, thereby being favorable for industrialized batch production.
Description
[technical field]
The utility model relates to a kind of sound generator, particularly a kind of resonance sound generator.
[background technology]
A kind of resonance sound equipment of people to traditional sound equipment concept understanding of having overturned appearred on the market in recent years, the sonification system of this resonance sound equipment itself does not have vibrating diaphragm, it utilizes the principle of resonance, audio signal is converted into the audio frequency mechanical oscillation, exports to any hard objects that contacts with it, make this hard objects as sounding medium sounding, it is gentle in voice evenly, non-directive is 360 ° around sounding, and can form different tamber effects according to different sounding media.The volume of resonance sound equipment is little, can arbitrarily put, and its only needs be connected with audiogenic devices such as computer, MP3, MP4, MD, CD, DVD player, mobile phones, just can allow hard objects such as desk in the daily life, door, window, floor become natural sound equipment.Existing resonance sound equipment mainly comprises shell, base, leads the support that shakes, magnet, giant magnetostrictive rod, coil, coil brace etc., shell is connected with the base screw lock, lead the support that shakes and be fixed in the base lower end, magnet, giant magnetostrictive rod, coil and coil brace place in the shell, coil is sheathed on the coil brace, giant magnetostrictive material is positioned over coil brace central authorities, magnet places the two ends up and down of coil brace, and push up with shell inner top surface and base inner surface mutually by magnet respectively at the two ends up and down of giant magnetostrictive material.When coil has the audio signal input, coil produces alternating magnetic field, giant magnetostrictive rod alternately stretches by the magnetic field alternative frequency, the conduct vibrations of this flexible generation is shaken to leading of base on the support, leads the support that shakes and kinetic energy is delivered to causes on the plane of the hard objects of contact with it that vibration two sounds.Existing resonance sound equipment mainly has the following disadvantages: at first, employed giant magnetostrictive material costs an arm and a leg, and causes the price of product to occupy high; Secondly, the consistency of giant magnetostrictive material is relatively poor, so can cause consistency of product relatively poor when producing in batches; Once more, the unreasonable structure of existing resonance sound equipment, its base and to lead the support that shakes be an integral body of fixing like this in the process of vibration, leads when the support that shakes moves up and down and will overcome bigger resistance, so the conversion efficiency of electroacoustic is lower, and sound is little, the low frequency deficiency.
[utility model content]
The purpose of this utility model is: improve above-mentioned deficiency of the prior art, a kind of resonance sound generator is provided, the high conformity of this generator, the conversion efficiency height of electroacoustic.
The purpose of this utility model is achieved in that it comprises shell, base, magnet and coil, shell is connected with base, magnet and coil place shell inner cavity, it is characterized in that: base is provided with the support that shakes of leading that base relatively moves up and down, and leads the support that shakes and passes base and stretch into shell inner cavity; Magnet is fixed in the inner top surface of shell, and the lower end of magnet is installed with magnetic conductor, and the magnetic conductor lower end is unsettled; Wound coil has been set up in the periphery of magnetic conductor, wound coil axis and the axis of magnetic conductor coincide, wound coil is fixed on the support;
In the above-mentioned resonance sound generator, described lead to shake be provided with rubber cushion between support and the base;
In the above-mentioned resonance sound generator, described lower surface of leading the support that shakes is equipped with the support rubber cushion;
In the above-mentioned resonance sound generator, the shell of described shell for adopting metal material to make.
Than common resonance sound equipment, the beneficial effects of the utility model are: use common magnetic material and permeability magnetic material, price is relatively low, and consistency is better, in batches suitability for industrialized production; Vibration resistance is little, and is highly sensitive, the high approximately 6-9Db of remolding sensitivity existing product, thereby the conversion efficiency height of electroacoustic, and on identical medium, sound is bigger than existing resonance sound equipment; Low frequency is greatly improved, and the Fo of existing structure is generally about 200Hz, and the Fo that adopts this new structure is generally about 40Hz; Up and down respectively with an elastic mounting, this structural design both can prevent effectively that support from producing noise in the process that moves up and down, and helped support again and moved up and down between base and the support, had reduced the resistance of motion; In the lower surface of vibration rack the support rubber cushion is set, can eliminates the noise that support produces between the vibration processes neutralization medium; The shell that adopts metal material to make can improve the structural strength of body, and can effectively completely cut off and shield outside electromagnetic interference.
[description of drawings]
Below in conjunction with accompanying drawing in detail concrete structure of the present utility model is described in detail
Fig. 1 is the structural representation of the utility model resonance sound generator
Among the figure: 1, metal shell; 2, base; 3, lead the support that shakes; 4, magnet; 5, magnetic conductor; 6, wound coil; 7, rubber cushion; 8, support rubber cushion.
[embodiment]
As shown in Figure 1, the resonance sound generator in the present embodiment mainly comprises metal shell 1, magnet 4, magnetic conductor 5, wound coil 6, base 2, rubber cushion 7, leads the support 3 that shakes, support rubber cushion 8; Metal shell 1 is the uncovered cylindrical tube in lower end, and base 2 is fixedly installed in the lower open mouth end place of metal shell 1; The center position of the inner top surface of metal shell 1 is fixed with magnet 4, and magnetic conductor 5 is fixedly installed in the center of magnet 4 lower surfaces, and the lower end of magnetic conductor 5 is unsettled; Wound coil 6 has been set up in the periphery of magnetic conductor 5, and the axis of the axis of wound coil 6 and magnetic conductor 5 coincides, and leaves suitable gap between wound coil 6 and the magnetic conductor 5; Lead perforate that the support 3 that shakes passes base 2 central authorities and stretch into the inner chamber of metal shell 1, wound coil 6 then is fixed in the upper end of leading the support 3 that shakes, lead shake support 3 relatively base 2 move up and down; Lead between inside and outside two end faces of shake support 3 and base 2 that each is fixing with a rubber cushion 7, this structural design both can effectively prevent to lead the support 3 that shakes and produce noise in the process that moves up and down, and helped leading the support 3 that shakes again and moved up and down, and had reduced the resistance that moves; At the bonding support rubber cushion 8 in the lower surface of leading the support 3 that shakes, to strengthen the resonate vibration end of sound generator and the stickiness between the medium.
This novel resonance sound generator is by being connected use with external sound source equipment, during use, the sound generator that will resonate is placed on medium (hard objects) plane, the end face and the media plane of support rubber cushion are fitted, when having the alternating current that changes with music signal to flow through in the wound coil 6, will produce the magnetic field of a respective change on the wound coil 6, have an effect jointly in this magnetic field and original magnetic field (being the magnetic field around magnet 4 and the magnetic conductor 5), make the vibration rack 3 be fixed on the wound coil 6 produce vibration along with the variation of music signal, lead the support 3 that shakes the kinetic energy that galvanomagnetic effect produces is delivered on the medium that is placed, thereby promote the vibration of media sounding.
But what above-mentioned magnet 4 and magnetic conductor 5 used is magnetic material and the permeability magnetic material that common industrialization is used, and be beneficial to suitability for industrialized production in batches, and the resonance sound generator of producing has consistency preferably.
Described above only is preferred embodiment of the present utility model, and above-mentioned specific embodiment is not to restriction of the present utility model.In technological thought category of the present utility model, various distortion and modification can appear, and the retouching that all those of ordinary skill in the art make according to above description, revise or be equal to replacement, all belong to the scope that the utility model is protected.
Claims (4)
1, a kind of resonance sound generator, comprise shell, base, magnet and coil, shell is connected with base, and magnet and coil place shell inner cavity, it is characterized in that: base is provided with the support that shakes of leading that base relatively moves up and down, and leads the support that shakes and passes base and stretch into shell inner cavity; Magnet is fixed in the inner top surface of shell, and the lower end of magnet is installed with magnetic conductor, and the magnetic conductor lower end is unsettled; Wound coil has been set up in the periphery of magnetic conductor, wound coil axis and the axis of magnetic conductor coincide, wound coil is fixed on the support.
2, resonance sound generator according to claim 1 is characterized in that: leading shakes is provided with rubber cushion between support and the base.
3, resonance sound generator according to claim 1 and 2 is characterized in that: the lower surface of leading the support that shakes is equipped with the support rubber cushion.
4, resonance sound generator according to claim 1 is characterized in that: the shell of shell for adopting metal material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201544445U CN201422158Y (en) | 2009-05-13 | 2009-05-13 | Acoustic resonance generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201544445U CN201422158Y (en) | 2009-05-13 | 2009-05-13 | Acoustic resonance generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201422158Y true CN201422158Y (en) | 2010-03-10 |
Family
ID=41808819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201544445U Expired - Fee Related CN201422158Y (en) | 2009-05-13 | 2009-05-13 | Acoustic resonance generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201422158Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102843635A (en) * | 2011-06-22 | 2012-12-26 | 梅庆开 | Disc spring resonance sound generator |
| CN102843621A (en) * | 2011-06-22 | 2012-12-26 | 梅庆开 | Resonance portable sound box |
| CN102932715A (en) * | 2011-08-09 | 2013-02-13 | 梅庆开 | Hardware shrapnel type resonant sound generator |
| CN103581792A (en) * | 2012-08-08 | 2014-02-12 | 梅庆开 | Multiple-360-degree-sound-production resonance portable sound system |
| CN113949764A (en) * | 2021-10-20 | 2022-01-18 | 福州大学 | Anti-monitoring active noise reduction structure for mobile phone built-in gyroscope |
-
2009
- 2009-05-13 CN CN2009201544445U patent/CN201422158Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102843635A (en) * | 2011-06-22 | 2012-12-26 | 梅庆开 | Disc spring resonance sound generator |
| CN102843621A (en) * | 2011-06-22 | 2012-12-26 | 梅庆开 | Resonance portable sound box |
| WO2012174812A1 (en) * | 2011-06-22 | 2012-12-27 | Mei Qingkai | Portable resonance speaker |
| US8867771B2 (en) | 2011-06-22 | 2014-10-21 | Qingkai Mel | Portable vibration speaker |
| CN102843635B (en) * | 2011-06-22 | 2015-03-11 | 梅庆开 | Disc spring resonance sound generator |
| CN102843621B (en) * | 2011-06-22 | 2015-08-05 | 梅庆开 | Portable resonant sound box |
| CN102932715A (en) * | 2011-08-09 | 2013-02-13 | 梅庆开 | Hardware shrapnel type resonant sound generator |
| CN102932715B (en) * | 2011-08-09 | 2016-05-04 | 梅庆开 | Hardware spring piece type acoustic resonance generator |
| CN103581792A (en) * | 2012-08-08 | 2014-02-12 | 梅庆开 | Multiple-360-degree-sound-production resonance portable sound system |
| CN113949764A (en) * | 2021-10-20 | 2022-01-18 | 福州大学 | Anti-monitoring active noise reduction structure for mobile phone built-in gyroscope |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SHENZHEN MEIDONG ACOUSTICS CO., LTD. Assignor: Mei Qingkai Contract record no.: 2012440020163 Denomination of utility model: Hardware shrapnel type resonant sound generator Granted publication date: 20100310 License type: Exclusive License Record date: 20120627 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161031 Address after: 518000 Guangdong city of Shenzhen province Baoan District Xixiang Street Hung Kai Yong bamboo science and Technology Park B building, third floor unit B Patentee after: Shenzhen city charm smart Limited by Share Ltd Address before: 336300, room 5, No. 302, bay lane, Xinchang Town, Yifeng County, Jiangxi, Yichun Patentee before: Mei Qingkai |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100310 Termination date: 20160513 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |