CN205622818U - Speaker structure and earphone - Google Patents
Speaker structure and earphone Download PDFInfo
- Publication number
- CN205622818U CN205622818U CN201620476281.2U CN201620476281U CN205622818U CN 205622818 U CN205622818 U CN 205622818U CN 201620476281 U CN201620476281 U CN 201620476281U CN 205622818 U CN205622818 U CN 205622818U
- Authority
- CN
- China
- Prior art keywords
- voice coil
- ferrum
- magnet
- loudspeaker voice
- speech
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a speaker structure and earphone, speaker structure include first support, are fixed with first drive structure, second drive structure harmony membrane on first support, and first drive structure sets up in sound membrane below, include U iron, first magnet, first china department, first voice coil loudspeaker voice coil, speech coil framework, the first magnet gap that forms is taken charge of to the speech coil framework bottom entry with first china to U iron in, the lower extreme at speech coil framework, speech coil framework and sound membrane fixed connection are laid to first voice coil loudspeaker voice coil, the setting of second drive structure is the epimembranal side of sound, and including the 2nd U iron, second magnet, second china department, second voice coil loudspeaker voice coil, the 2nd U iron is placed upside down in U iron top, and during speech coil framework inserted the upper end second magnet gap that the 2nd U iron and second china department formed, the second voice coil loudspeaker voice coil was laid on speech coil framework. The utility model discloses avoid two voice coil loudspeaker voice coils and speech coil framework to produce eccentric vibration when reciprocating, avoid because the non linear distortion of eccentric oscillation generation has improved the sound quality.
Description
Technical field
This utility model belongs to loudspeaker techniques field, specifically, relates to a kind of loadspeaker structure and the earphone using described loadspeaker structure to design.
Background technology
Common earphone speaker structure includes support 25, U ferrum 23, Magnet 22, washer 26, voice coil loudspeaker voice coil 21, sound film 24 etc., shown in Figure 1, U ferrum 23 is fixed with support 25, Magnet 22, washer 26 are placed in U ferrum 23, voice coil loudspeaker voice coil 21 is placed in the magnetic gap of U ferrum 23 and washer 26, after voice coil loudspeaker voice coil 21 energising in magnetic field stress, drive sound film 24 to vibrate, thus produce sound.
But voice coil loudspeaker voice coil 21 drives sound film 24 that eccentric vibrating easily occurs when vibrating, and introduces non-linear distortion.
Summary of the invention
This utility model provides a kind of loadspeaker structure, it is to avoid voice coil loudspeaker voice coil and speech coil framework eccentric vibrating.
In order to solve above-mentioned technical problem, this utility model is achieved by the following technical solutions:
A kind of loadspeaker structure, including the first support, described first support is fixed with the first driving structure, the second driving structure and sound film, described first drives structure to be arranged on below described sound film, described first drives structure to include that a U ferrum, the first Magnet, the first washer, the first voice coil loudspeaker voice coil, speech coil framework, described first Magnet, the first washer are sequentially stacked in a described U ferrum；Described speech coil framework lower end is inserted in the first magnetic gap of a described U ferrum and described first washer formation, and described first voice coil loudspeaker voice coil is laid in described speech coil framework lower end, and described speech coil framework is fixing with described sound film to be connected；Described second drives structure to be arranged on above described sound film, described second drives structure to include the 2nd U ferrum, the second Magnet, the second washer, the second voice coil loudspeaker voice coil, described 2nd U ferrum is upside down in above a described U ferrum, and described second Magnet, the second washer are sequentially stacked in described 2nd U ferrum；Described speech coil framework upper end is inserted in the second magnetic gap of described 2nd U ferrum and described second washer formation, and described second voice coil loudspeaker voice coil is laid in described speech coil framework upper end.
Further, the N pole of described second Magnet and the first Magnet is towards identical, and described second voice coil loudspeaker voice coil and the first voice coil loudspeaker voice coil are oppositely wound on described speech coil framework.
Further, the N pole of described second Magnet and the first Magnet is towards on the contrary, and described second voice coil loudspeaker voice coil and the first voice coil loudspeaker voice coil are wound on described speech coil framework in the same direction.
Further, described first washer is arranged with the first metal cap.
Further, described second washer is arranged with the second metal cap.
Preferably, all offering through hole in the groove bottom land center of a described U ferrum and the 2nd U ferrum, the axis of two through holes overlaps.
Preferably, the groove bottom land at described 2nd U ferrum offers at least one air-vent corresponding to the position of the second magnetic gap.
Further, described loadspeaker structure also includes the second support, and described second drives structure to be fixed by described second support and the first support.
Design based on above-mentioned loadspeaker structure, this utility model also proposed a kind of earphone using described loadspeaker structure to design, described loadspeaker structure includes the first support, described first support is fixed with the first driving structure, the second driving structure and sound film, described first drives structure to be arranged on below described sound film, described first drives structure to include that a U ferrum, the first Magnet, the first washer, the first voice coil loudspeaker voice coil, speech coil framework, described first Magnet, the first washer are sequentially stacked in a described U ferrum；Described speech coil framework lower end is inserted in the first magnetic gap of a described U ferrum and described first washer formation, and described first voice coil loudspeaker voice coil is laid in described speech coil framework lower end, and described speech coil framework is fixing with described sound film to be connected；Described second drives structure to be arranged on above described sound film, described second drives structure to include the 2nd U ferrum, the second Magnet, the second washer, the second voice coil loudspeaker voice coil, described 2nd U ferrum is upside down in above a described U ferrum, and described second Magnet, the second washer are sequentially stacked in described 2nd U ferrum；Described speech coil framework upper end is inserted in the second magnetic gap of described 2nd U ferrum and described second washer formation, and described second voice coil loudspeaker voice coil is laid in described speech coil framework upper end.
Compared with prior art, advantage of the present utility model and good effect be: loadspeaker structure of the present utility model and earphone, two voice coil loudspeaker voice coils and speech coil framework is avoided to produce eccentric vibrating when moving up and down, improve two voice coil loudspeaker voice coils and the stability of speech coil framework motion, avoid the non-linear distortion produced due to eccentric vibrating, improve sound quality, and then improve headphone quality, improve user's experience, improve the market competitiveness of earphone.
After reading in conjunction with the accompanying the detailed description of this utility model embodiment, other features of the present utility model and advantage will become clearer from.
Accompanying drawing explanation
Fig. 1 is the loadspeaker structure schematic diagram of prior art；
Fig. 2 is the loadspeaker structure schematic diagram that this utility model is proposed.
Reference:
21, voice coil loudspeaker voice coil；22, Magnet；23, U ferrum；24, sound film；25, support；26, washer；
1, a U ferrum；2, the first Magnet；3, first washer the 4, first support；5, sound film；
6, speech coil framework；7, the first voice coil loudspeaker voice coil；8, the first metal cap；9, the 2nd U ferrum；9-1, air-vent；10, the second Magnet；11, the second washer；12, the second support；13, the second voice coil loudspeaker voice coil；14, the second metal cap.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described in more detail.
Loadspeaker structure at the present embodiment mainly includes the first support 4, first drives structure, second drives structure, sound film 5 etc., shown in Figure 2, first drives structure to be arranged on the lower section of sound film 5, first drives structure mainly to include a U ferrum 1, first Magnet 2, first washer 3, first voice coil loudspeaker voice coil 7, speech coil framework 6 etc., first Magnet 2, first washer 3 is sequentially stacked in a U ferrum 1, speech coil framework 6 lower end is inserted in the first magnetic gap of a U ferrum 1 and the formation of the first washer 3, first voice coil loudspeaker voice coil 7 is laid in speech coil framework 6 lower end, i.e. first voice coil loudspeaker voice coil 7 is positioned in the first magnetic gap of a U ferrum 1 and the formation of the first washer 3；Speech coil framework 6 is through sound film 5 and fixing with sound film 5 is connected；Second drives structure to be arranged on above sound film 5, second drives structure mainly to include the 2nd U ferrum the 9, second Magnet the 10, second washer the 11, second voice coil loudspeaker voice coil 13,2nd U ferrum 9 is upside down in above a U ferrum 1, and second Magnet the 10, second washer 11 is sequentially stacked in the 2nd U ferrum 9；Speech coil framework 6 upper end is inserted in the second magnetic gap of the 2nd U ferrum 9 and the formation of the second washer 11, and the second voice coil loudspeaker voice coil 13 is laid in speech coil framework 6 upper end, and the i.e. second voice coil loudspeaker voice coil 13 is positioned in the second magnetic gap of the 2nd U ferrum 9 and the formation of the second washer 11.
Drive structure to fix with the first support 4 for the ease of second to be connected, described loadspeaker structure also includes the second support 12, second support 12 is fixing with the first support 4 to be connected, and second drives structure to be fixed on the second support 12, is fixed by the second support 12 and the first support 4.In the present embodiment, a U ferrum 1 is fixed on the first support 4, and first Magnet the 2, first washer 3 is sequentially stacked in the groove being pasted onto a U ferrum 1；2nd U ferrum 9 is fixed on the second support 12, and second Magnet the 10, second washer 11 is sequentially stacked in the groove being pasted onto the 2nd U ferrum 9.
In the present embodiment, the 2nd U ferrum 9 is upside down in the surface of a U ferrum 1, and the first Magnet 2 is identical with the second Magnet 10 structure, and the first washer 3 is identical with the second washer 11 structure, and the width of the first magnetic gap and the second magnetic gap is equal, and the axis of two magnetic gaps overlaps.
When the N pole of the second Magnet 10 and the first Magnet 2 is towards time identical, i.e. the N of two Magnet is the most upward (the most as shown in Figure 1) or the most down, the second voice coil loudspeaker voice coil 13 and the first voice coil loudspeaker voice coil 7 are oppositely wound on speech coil framework 6.First Magnet 2 forms a magnetic field in the first magnetic gap of a U ferrum 1 and the first washer 3；Second Magnet 10 also forms a magnetic field in the second magnetic gap of the 2nd U ferrum 9 and the second washer 11, and two magnetic directions are contrary；Owing to two voice coil loudspeaker voice coils are oppositely wound, the sense of current flow through in two voice coil loudspeaker voice coils is the most contrary；In the case of the sense of current that the magnetic field of magnets being subject at two voice coil loudspeaker voice coils is in opposite direction, flow through is also contrary, in the same direction, two voice coil loudspeaker voice coils move up and down under the effect of active force in the same direction the active force that two voice coil loudspeaker voice coils are subject to, thus drive speech coil framework 6 to move up and down, and then drive sound film 5 to vibrate, produce sound.
When the S pole of the second Magnet 10 and the first Magnet 2 is towards time contrary, i.e. upward, down, the second voice coil loudspeaker voice coil 13 and the first voice coil loudspeaker voice coil 7 are wound on speech coil framework 6 in the same direction in the S pole of another Magnet in the S pole of a Magnet.First Magnet 2 forms a magnetic field in the first magnetic gap of a U ferrum 1 and the first washer 3；Second Magnet 10 also forms a magnetic field in the second magnetic gap of the 2nd U ferrum 9 and the second washer 11, and two magnetic directions are identical；Due to two voice coil loudspeaker voice coil coilings in the same direction, the sense of current flow through in two voice coil loudspeaker voice coils is the most identical；In the case of the magnetic field of magnets direction being subject at two voice coil loudspeaker voice coils sense of current identical, that flow through is the most identical, in the same direction, two voice coil loudspeaker voice coils move up and down under the effect of active force in the same direction the active force that two voice coil loudspeaker voice coils are subject to, thus drive speech coil framework 6 to move up and down, and then drive sound film 5 to vibrate, produce sound.
Owing to two voice coil loudspeaker voice coils are separately fixed at the two ends of speech coil framework 6, the first magnetic gap is inserted in the lower end of speech coil framework 6, upper end is inserted in the second magnetic gap, therefore two voice coil loudspeaker voice coils and speech coil framework 6 move up and down along two magnetic gaps, thus avoid two voice coil loudspeaker voice coils and speech coil framework 6 to produce eccentric vibrating when moving up and down, improve two voice coil loudspeaker voice coils and the stability of speech coil framework 6 motion, it is to avoid the non-linear distortion produced due to eccentric vibrating, improve sound quality.
And, use two voice coil loudspeaker voice coils to counteract the counter electromotive force in voice coil loudspeaker voice coil to a certain extent, improve loudspeaker high frequency and reset；Harmonic frequency of loudspeakers is reduced in the case of not increasing distortion；The extension of preferable high frequency can be realized simultaneously on the premise of efficiency is constant, improves again power significantly.
Being arranged with the first metal cap 8 on the first washer 4, the first metal cap 8 forms short circuit metal ring.The inductance value of the first voice coil loudspeaker voice coil 7 increases with frequency and increases under normal circumstances, after being designed with this short circuit metal ring, the mutual inductance raw with this short circuit metal environment-development of first voice coil loudspeaker voice coil 7, the inductance value of the first voice coil loudspeaker voice coil 7 increases amplitude and is weakened, i.e. reduce the nonlinear inductance amount change of the first voice coil loudspeaker voice coil 7, reduce harmonic distortion, improve sound quality further.In the present embodiment, the first metal cap 8 is copper cap or aluminum cap.
Being arranged with the second metal cap 14 on the second washer 11, the second metal cap 14 forms short circuit metal ring.The inductance value of the second voice coil loudspeaker voice coil 13 increases with frequency and increases under normal circumstances, after being designed with this short circuit metal ring, the mutual inductance raw with this short circuit metal environment-development of second voice coil loudspeaker voice coil 13, the inductance value of the second voice coil loudspeaker voice coil 13 increases amplitude and is weakened, i.e. reduce the nonlinear inductance amount change of the second voice coil loudspeaker voice coil 13, reduce harmonic distortion, improve sound quality further.In the present embodiment, the second metal cap 14 is copper cap or aluminum cap.
All offering through hole in the groove bottom land center of a U ferrum 1 and the 2nd U ferrum 9, the axis of two through holes overlaps, and overlaps with axis, the axis of two washer centre bores in two magnetic blow out centre holes.When speech coil framework 6 drives sound film 5 to vibrate, compression or the expansion of speech coil framework 6 inner space air can be caused, when the compression of inner space air or expansion, exchanged with space outerpace by two through holes, play the effect of equilibrium air pressure, it is simple to speech coil framework 6 and the vibration of sound film 5.
Groove bottom land at the 2nd U ferrum 9 corresponds to the position of the second magnetic gap and offers at least one air-vent 9-1, for the air pressure of two magnetic gaps of balance with space outerpace, it is simple to speech coil framework 6 and the vibration of sound film 5.
Design based on above-mentioned loadspeaker structure, the present embodiment also proposed a kind of earphone, is designed with described loadspeaker structure in earphone.
By earphone uses described loadspeaker structure, avoid the non-linear distortion produced due to speech coil framework and voice coil loudspeaker voice coil eccentric vibrating, improve the sound quality that earphone sends, and then improve the quality of earphone, improve user's experience, improve the market competitiveness of earphone.
Certainly; described above is not to restriction of the present utility model; this utility model is also not limited to the example above, change that those skilled in the art are made in essential scope of the present utility model, retrofits, adds or replaces, and also should belong to protection domain of the present utility model.
Claims (9)
1. a loadspeaker structure, it is characterised in that: include the first support, described first support is fixed with the first driving structure, the second driving structure and sound film,
Described first drives structure to be arranged on below described sound film, and described first drives structure to include that a U ferrum, the first Magnet, the first washer, the first voice coil loudspeaker voice coil, speech coil framework, described first Magnet, the first washer are sequentially stacked in a described U ferrum；Described speech coil framework lower end is inserted in the first magnetic gap of a described U ferrum and described first washer formation, and described first voice coil loudspeaker voice coil is laid in described speech coil framework lower end,
Described speech coil framework is fixing with described sound film to be connected；
Described second drives structure to be arranged on above described sound film, described second drives structure to include the 2nd U ferrum, the second Magnet, the second washer, the second voice coil loudspeaker voice coil, described 2nd U ferrum is upside down in above a described U ferrum, and described second Magnet, the second washer are sequentially stacked in described 2nd U ferrum；Described speech coil framework upper end is inserted in the second magnetic gap of described 2nd U ferrum and described second washer formation, and described second voice coil loudspeaker voice coil is laid in described speech coil framework upper end.
Loadspeaker structure the most according to claim 1, it is characterised in that: the N pole of described second Magnet and the first Magnet is towards identical, and described second voice coil loudspeaker voice coil and the first voice coil loudspeaker voice coil are oppositely wound on described speech coil framework.
Loadspeaker structure the most according to claim 1, it is characterised in that: the N pole of described second Magnet and the first Magnet is towards on the contrary, and described second voice coil loudspeaker voice coil and the first voice coil loudspeaker voice coil are wound on described speech coil framework in the same direction.
Loadspeaker structure the most according to claim 1, it is characterised in that: on described first washer, it is arranged with the first metal cap.
Loadspeaker structure the most according to claim 1, it is characterised in that: on described second washer, it is arranged with the second metal cap.
Loadspeaker structure the most according to claim 1, it is characterised in that: all offering through hole in the groove bottom land center of a described U ferrum and the 2nd U ferrum, the axis of two through holes overlaps.
Loadspeaker structure the most according to claim 1, it is characterised in that: the groove bottom land at described 2nd U ferrum corresponds to the position of the second magnetic gap and offers at least one air-vent.
Loadspeaker structure the most according to claim 1, it is characterised in that: also including the second support, described second drives structure to be fixed by described second support and the first support.
9. an earphone, it is characterised in that: include the loadspeaker structure as according to any one of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620476281.2U CN205622818U (en) | 2016-05-24 | 2016-05-24 | Speaker structure and earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620476281.2U CN205622818U (en) | 2016-05-24 | 2016-05-24 | Speaker structure and earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205622818U true CN205622818U (en) | 2016-10-05 |
Family
ID=57023410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620476281.2U Active CN205622818U (en) | 2016-05-24 | 2016-05-24 | Speaker structure and earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205622818U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110519678A (en) * | 2019-09-19 | 2019-11-29 | 深圳市微运动信息科技有限公司 | A kind of double magnetic double voice coil oscillators |
-
2016
- 2016-05-24 CN CN201620476281.2U patent/CN205622818U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110519678A (en) * | 2019-09-19 | 2019-11-29 | 深圳市微运动信息科技有限公司 | A kind of double magnetic double voice coil oscillators |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205847559U (en) | Minitype acoustic generator | |
| CN101984678B (en) | Acoustical generator | |
| CN205847592U (en) | Speaker | |
| CN209390343U (en) | Microphone device | |
| CN209526871U (en) | Microphone device | |
| CN205051866U (en) | Sounding device | |
| CN206865742U (en) | A kind of ultrathin loudspeaker | |
| CN207354581U (en) | Sound film, microphone device and electronic equipment | |
| WO2022068082A1 (en) | Sound-emitting device and electronic product comprising sound-emitting device | |
| CN205622818U (en) | Speaker structure and earphone | |
| CN207573627U (en) | A kind of vibrating diaphragm and the acoustical generator including the vibrating diaphragm | |
| CN209390365U (en) | Loudspeaker | |
| CN205491114U (en) | Micro loudspeaker | |
| CN209526865U (en) | Loudspeaker | |
| KR101109101B1 (en) | Rectangular multifunction microspeaker | |
| CN204741560U (en) | Super ultra -thin overweight bass moving coil loudspeaker | |
| CN203504745U (en) | Step-type voice coil and sounder employing voice coil | |
| CN207638871U (en) | A kind of vibrating diaphragm and the acoustical generator including the vibrating diaphragm | |
| US10869135B2 (en) | Speaker | |
| CN205545909U (en) | Moving -coil type loudspeaker | |
| CN101511048A (en) | Electro-acoustic converter with novel vibrating system and manufacturing method for vibrating system | |
| CN205179348U (en) | Loudspeaker | |
| CN204810530U (en) | Vibrating device and electronic equipment | |
| CN208821077U (en) | A kind of loudspeaker | |
| CN207075088U (en) | Magnetic speaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |