CN204334940U - Loud speaker - Google Patents
Loud speaker Download PDFInfo
- Publication number
- CN204334940U CN204334940U CN201420785678.0U CN201420785678U CN204334940U CN 204334940 U CN204334940 U CN 204334940U CN 201420785678 U CN201420785678 U CN 201420785678U CN 204334940 U CN204334940 U CN 204334940U
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- Prior art keywords
- fixed
- chamber cylinder
- loud speaker
- cylinder
- chamber
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Abstract
The utility model provides a kind of loud speaker, comprising: chamber cylinder, and it is provided with cylindrical cavity, and one end of this chamber cylinder is provided with openend; Vibrating diaphragm, described vibrating diaphragm lid is connected to the openend of this chamber cylinder; Magnetic oscillator, it is contained in described inner chamber and also can vibrates along the axis direction of described inner chamber, for driving described diaphragm oscillations; Elastic supporting member for supporting optical member, described magnetic oscillator is fixed in its one end, and the other end is fixed on described chamber cylinder, for being suspended in described inner chamber by described magnetic oscillator; Drive coil, it is fixed on described chamber cylinder, and the reaction force of the Lorentz force be subject to it drives described magnetic oscillator to vibrate.The utility model provides a kind of New-type loudspeaker, and it not only has more large amplitude, higher low frequency loudness and lower low-frequency distortion, but also has the function of vibrator, and can not by the impact of the thickness of electronic equipment.
Description
[technical field]
The utility model relates to electroacoustic conversion art, particularly relates to the loud speaker in electroacoustic conversion art.
[background technology]
Along with the arrival in mobile Internet epoch, the quantity of Intelligent mobile equipment constantly rises.And among numerous mobile device, the mobile terminal device that mobile phone is common, the most portable beyond doubt.At present, the function of mobile phone is extremely various, and one of them is the music function of high-quality, and therefore, the loud speaker for playing sound is widely applied among Intelligent mobile equipment till now.
In mobile electronic device, generally all be provided with loud speaker, and the direction of vibration of loud speaker is general all perpendicular to the screen of this electronic equipment, along with mobile electronic device does more and more thinner, it is more and more thinner that this requires that loud speaker also needs on its direction of vibration vibrated, but, the too thin amplitude that can limit again its inner vibrating diaphragm of loud speaker, and then affecting the LF-response of loud speaker and audio distortions is also more serious, this will seriously restrict the pursuit of current mobile device to high-quality sound.
So need to solve the problem to provide a kind of novel loud speaker.
[utility model content]
The purpose of this utility model is to provide a kind of loud speaker, which solve existing loud speaker because the direction of vibration of vibrating diaphragm is perpendicular to the screen of electronic equipment, make the amplitude of vibrating diaphragm be limited by the thickness of electronic equipment and be difficult to obtain good low frequency loudness and the serious technical problem of audio distortions.
In order to solve the problems of the technologies described above, the utility model provides a kind of loud speaker, comprising: chamber cylinder, and it is provided with cylindrical cavity, and one end of this chamber cylinder is provided with openend; Vibrating diaphragm, described vibrating diaphragm lid is connected to the openend of this chamber cylinder; Magnetic oscillator, it is contained in described inner chamber and also can vibrates along the axis direction of described inner chamber, for driving described diaphragm oscillations; Elastic supporting member for supporting optical member, described magnetic oscillator is fixed in its one end, and the other end is fixed on described chamber cylinder, for being suspended in described inner chamber by described magnetic oscillator; Drive coil, it is fixed on described chamber cylinder, and the reaction force of the Lorentz force be subject to it drives described magnetic oscillator to vibrate.
Preferably, described loud speaker also comprises a protecgulum connect with described chamber cover, and it is for being fixed on described chamber cylinder by the outer peripheral edges of vibrating diaphragm.
Preferably, described chamber cylinder comprises a diapire and to extend and perpendicular to the cylinder sidewall of this diapire, this sidewall oppositely extends a flange from the openend of chamber cylinder along the radial direction of chamber cylinder, and the outer peripheral edges of vibrating diaphragm are fixed on this flange by described protecgulum from this diapire.
Preferably, described loud speaker also comprises in one establishes receiving space and the shell be made up of soft magnetic material, and for gathering the line of magnetic induction produced by magnetic oscillator, described chamber cylinder is contained in this receiving space, and this shell abuts the flange being fixed on described chamber cylinder.
Preferably, described drive coil is wound in the outer surface of described chamber cylinder, and described magnetic oscillator is positioned at the scope of described drive coil to the projection of described drive coil.
Preferably, described Elastic Oscillator comprises principal oscillation body and the connecting rod for being connected described principal oscillation body and vibrating diaphragm, described principal oscillation body has comprised the substrate of magnetic conduction effect and has been attached at two pieces of radial magnetizing ring alnicos of these substrate both sides respectively, and these two blocks of magnet steel are oppositely arranged about described substrate homopolarity.
Preferably, described principal oscillation body also comprises the diskette being arranged at and making between magnet steel and substrate and by soft magnetic material.
Preferably, described elastic supporting member for supporting optical member comprises the first elastic supporting member for supporting optical member and the second elastic supporting member for supporting optical member, described first elastic supporting member for supporting optical member one end is fixed on the described connecting rod other end and is fixed on described chamber cylinder, and the cylinder diapire that the described principal oscillation body other end is fixed on described chamber cylinder is fixed in described second elastic supporting member for supporting optical member one end.
Preferably, described first elastic supporting member for supporting optical member is ring plate shape, it the first deformations comprising the outer edge being fixed on chamber cylinder, the inner edge portion being fixed on connecting rod and connect described outer edge and inner edge portion.
Preferably, described second elastic supporting member for supporting optical member quantity is two, it comprise abut be fixed on described principal oscillation body upper fixed part, abut be fixed on the lower fixed part of described cylinder diapire and connect " V " font second deformations of fixed portion and lower fixed part.
The utility model provides a kind of New-type loudspeaker, and it not only has more large amplitude, higher low frequency loudness and lower low-frequency distortion, but also has the function of vibrator, and can not by the impact of the thickness of electronic equipment.
[accompanying drawing explanation]
Fig. 1 is the three-dimensional exploded view of the utility model loud speaker;
Fig. 2 is the cutaway view of loud speaker shown in Fig. 1;
Fig. 3 is the stereogram of the first elastic supporting member for supporting optical member in loud speaker shown in Fig. 1;
Fig. 4 is the stereogram of the second elastic supporting member for supporting optical member in loud speaker shown in Fig. 1.
[embodiment]
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only a part of embodiment of the utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As illustrated in fig. 1 and 2, the utility model provides a kind of loud speaker 1, it comprise in one establish the shell 10 of receiving space 100, be contained in described shell 10 and in establish the chamber cylinder 11 of cylindrical cavity 110, with the vibrating diaphragm 12 of described chamber cylinder 11 assembly and protecgulum 13, the drive coil 14 being fixed on described chamber cylinder 11 and the magnetic oscillator 15 be contained in described chamber cylinder 11 and elastic supporting member for supporting optical member.
The cylindrical cavity 110 of described chamber cylinder 11 is the one in cylindrical cavity, oval cylinder inner chamber, polygon cylindrical cavity, and one end of this chamber cylinder 11 is provided with openend 111, and described vibrating diaphragm 12 lid is connected to the openend 111 of this chamber cylinder.Described protecgulum 13 is same to be covered with described chamber cylinder 11 and to connect and for the outer peripheral edges of vibrating diaphragm 12 are fixed on described chamber cylinder 11.
Described chamber cylinder 11 comprises a diapire 112 and to extend and perpendicular to the cylinder sidewall 113 of this diapire 112 from this diapire 112, this sidewall 113 oppositely extends a flange 114 from the openend 111 of chamber cylinder 11 along the radial direction of chamber cylinder 11, and the outer peripheral edges of vibrating diaphragm 12 are fixed on this flange 114 by described protecgulum 13.
Described shell 10 is made up of soft magnetic material, and it is for gathering the line of magnetic induction produced by magnetic oscillator 15, thus improves the utilance of magnetic circuit.Described shell 10 abuts the flange 114 being fixed on described chamber cylinder 11 equally.
Described magnetic oscillator 15 comprises principal oscillation body 150 and the connecting rod 151 for being connected described principal oscillation body 150 and vibrating diaphragm 12, can vibrate along the axis direction of described inner chamber 110 in its inner chamber 110 being contained in described chamber cylinder 11, it vibrates for driving described vibrating diaphragm 12, thus produces sound.
Described principal oscillation body 150 has comprised the substrate 1500 of magnetic conduction effect and has been attached at two pieces of radial magnetizing ring alnicos 1501 and 1502 of these substrate 1500 both sides respectively, these two blocks of magnet steel 1501,1502 are oppositely arranged about described substrate 1500 homopolarity, like this, magnet steel 1501,1502 magnetic lines of force produced will form magnetic loop through chamber cylinder 11 and substrate 1500.Described principal oscillation body 150 also comprises and is arranged at magnet steel 1501, the diskette 1503 and 1504 made between 1502 and substrate 1500 and by soft magnetic material, and described diskette 1503,1504 is for gathering magnet steel 1501, and 1502 magnetic lines of force produced, improve magnetic circuit efficiency.
What described connecting rod 151 and described substrate 1500 can be arranged for split also can be integrated, it is for connecting described vibrating diaphragm 12 and principal oscillation body 150, give described vibrating diaphragm 12 for the vibration passing produced by magnetic oscillator 15, thus promote described vibrating diaphragm 12 vibration sounding.The ring portion 121 that described vibrating diaphragm 12 comprises intermediate top 120 and arranges around described ball top 120, the inner side at described ball top 120 is fixed in described connecting rod 151 one end.
The reaction force of the Lorentz force that described drive coil 14 is subject to it drives described magnetic oscillator 15 to vibrate, it is fixed on described chamber cylinder 11, that is, this drive coil 14 can be fixed on inner side or the outside of described chamber cylinder 11, and described magnetic oscillator 15 is positioned at the scope of described drive coil 14 to the projection of described drive coil 14, the line of magnetic induction that magnetic oscillator 15 can be made to produce like this is as much as possible through described drive coil 14.But in the present embodiment, preferably, described drive coil 14 is fastened in the outer surface of described chamber cylinder 11.
Described elastic supporting member for supporting optical member is used for described magnetic oscillator 15 to be suspended in inner chamber 110, ensure that described magnetic oscillator 15 can not strike chamber cylinder 11 when vibrating, described magnetic oscillator 15 is fixed in this elastic supporting member for supporting optical member one end, the other end is fixed on described chamber cylinder 11, for described magnetic oscillator 15 is suspended in described inner chamber 110, it mainly contains two effects, one is for the vibration of magnetic oscillator 15 provides an effect of leading, and namely makes magnetic oscillator 15 can along the axial direction stable vibration of inner chamber 110; Another is for this magnetic oscillator 15 provides a restoring force, makes described magnetic oscillator 15 be in default initial position when not vibrating.
Again shown in composition graphs 3 and 4, described elastic supporting member for supporting optical member comprises one end and is fixed on described connecting rod 151 other end and is fixed on the first elastic supporting member for supporting optical member 160 of described chamber cylinder 11 and the second elastic supporting member for supporting optical member 161 that described principal oscillation body 150 other end is fixed on the cylinder diapire 112 of described chamber cylinder 11 is fixed in one end.Described first elastic supporting member for supporting optical member 160 is preferably ring plate shape in the present embodiment, it the first deformations 1602 comprising the outer edge 1600 being fixed on chamber cylinder 11, the inner edge portion 1601 being fixed on connecting rod 151 and connect described outer edge 1600 and inner edge portion 1601.The quantity of described second elastic supporting member for supporting optical member 161 is two, shape is indefinite, support described magnetic oscillator 15 as long as can play and provide a restoring force for described magnetic oscillator 15, it preferably comprises in the present embodiment and abuts the upper fixed part 1610, the abutting that are fixed on described principal oscillation body 150 and be fixed on the lower fixed part 1611 of described cylinder diapire 112 and connect " V " font second deformations 1612 of fixed portion 1610 and lower fixed part 1611.
Described magnetic oscillator 15 is suspended in the inner chamber 110 of described chamber cylinder 11 by described elastic supporting member for supporting optical member, the line of magnetic induction produced after drive coil 14 is energized will along the axis direction of described inner chamber 110 through described magnetic oscillator 15, the line of magnetic induction effect that magnetic oscillator 15 and described drive coil 14 produce thus along the axis direction double vibrations of inner chamber 110, and then promote described vibrating diaphragm 12 vibration sounding, moreover, by changing the vibration frequency of described magnetic oscillator 15, the vibrating effect of magnetic oscillator 15 can also be strengthened, thus make described loud speaker 1 have the function of vibrator.
The utility model provides a kind of New-type loudspeaker 1, and it not only has more large amplitude, higher low frequency loudness and lower low-frequency distortion, but also has the function of vibrator, and can not by the impact of the thickness of electronic equipment.
Above-described is only better embodiment of the present utility model; it should be pointed out that for the person of ordinary skill of the art at this, under the prerequisite not departing from the utility model creation design; improvement can also be made, but these all belong to protection range of the present utility model.
Claims (10)
1. a loud speaker, is characterized in that, comprising:
Chamber cylinder, it is provided with cylindrical cavity, and one end of this chamber cylinder is provided with openend;
Vibrating diaphragm, described vibrating diaphragm lid is connected to the openend of this chamber cylinder;
Magnetic oscillator, it is contained in described inner chamber and also can vibrates along the axis direction of described inner chamber, for driving described diaphragm oscillations;
Elastic supporting member for supporting optical member, described magnetic oscillator is fixed in its one end, and the other end is fixed on described chamber cylinder, for being suspended in described inner chamber by described magnetic oscillator;
Drive coil, it is fixed on described chamber cylinder, and the reaction force of the Lorentz force be subject to it drives described magnetic oscillator to vibrate.
2. loud speaker as claimed in claim 1, is characterized in that: described loud speaker also comprises a protecgulum connect with described chamber cover, and it is for being fixed on described chamber cylinder by the outer peripheral edges of vibrating diaphragm.
3. loud speaker as claimed in claim 2, it is characterized in that: described chamber cylinder comprises a diapire and to extend and perpendicular to the cylinder sidewall of this diapire from this diapire, this sidewall oppositely extends a flange from the openend of chamber cylinder along the radial direction of chamber cylinder, and the outer peripheral edges of vibrating diaphragm are fixed on this flange by described protecgulum.
4. loud speaker as claimed in claim 3, it is characterized in that: described loud speaker also comprises in one establishes receiving space and the shell be made up of soft magnetic material, for gathering the line of magnetic induction produced by magnetic oscillator, described chamber cylinder is contained in this receiving space, and this shell abuts the flange being fixed on described chamber cylinder.
5. loud speaker as claimed in claim 1, is characterized in that: described drive coil is wound in the outer surface of described chamber cylinder, and described magnetic oscillator is positioned at the scope of described drive coil to the projection of described drive coil.
6. loud speaker as claimed in claim 1, it is characterized in that: described Elastic Oscillator comprises principal oscillation body and the connecting rod for being connected described principal oscillation body and vibrating diaphragm, described principal oscillation body has comprised the substrate of magnetic conduction effect and has been attached at two pieces of radial magnetizing ring alnicos of these substrate both sides respectively, and these two blocks of magnet steel are oppositely arranged about described substrate homopolarity.
7. loud speaker as claimed in claim 6, is characterized in that: described principal oscillation body also comprises the diskette being arranged at and making between magnet steel and substrate and by soft magnetic material.
8. loud speaker as claimed in claim 6, it is characterized in that: described elastic supporting member for supporting optical member comprises the first elastic supporting member for supporting optical member and the second elastic supporting member for supporting optical member, described first elastic supporting member for supporting optical member one end is fixed on the described connecting rod other end and is fixed on described chamber cylinder, and the cylinder diapire that the described principal oscillation body other end is fixed on described chamber cylinder is fixed in described second elastic supporting member for supporting optical member one end.
9. loud speaker as claimed in claim 8, is characterized in that: described first elastic supporting member for supporting optical member is ring plate shape, it the first deformations comprising the outer edge being fixed on chamber cylinder, the inner edge portion being fixed on connecting rod and connect described outer edge and inner edge portion.
10. loud speaker as claimed in claim 8 or 9, it is characterized in that: described second elastic supporting member for supporting optical member quantity is two, it comprise abut be fixed on described principal oscillation body upper fixed part, abut be fixed on the lower fixed part of described cylinder diapire and connect " V " font second deformations of fixed portion and lower fixed part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420785678.0U CN204334940U (en) | 2014-12-12 | 2014-12-12 | Loud speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420785678.0U CN204334940U (en) | 2014-12-12 | 2014-12-12 | Loud speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204334940U true CN204334940U (en) | 2015-05-13 |
Family
ID=53171244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420785678.0U Expired - Fee Related CN204334940U (en) | 2014-12-12 | 2014-12-12 | Loud speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204334940U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113287324A (en) * | 2019-02-28 | 2021-08-20 | 谷歌有限责任公司 | Bending actuator and panel audio speaker including the same |
-
2014
- 2014-12-12 CN CN201420785678.0U patent/CN204334940U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113287324A (en) * | 2019-02-28 | 2021-08-20 | 谷歌有限责任公司 | Bending actuator and panel audio speaker including the same |
| CN113287324B (en) * | 2019-02-28 | 2024-03-12 | 谷歌有限责任公司 | Bending actuator and panel audio speaker comprising the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20211212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |