CN210781329U - Loudspeaker box - Google Patents
Loudspeaker box Download PDFInfo
- Publication number
- CN210781329U CN210781329U CN201921950032.2U CN201921950032U CN210781329U CN 210781329 U CN210781329 U CN 210781329U CN 201921950032 U CN201921950032 U CN 201921950032U CN 210781329 U CN210781329 U CN 210781329U
- Authority
- CN
- China
- Prior art keywords
- magnetic steel
- magnetic
- bottom plate
- voice coil
- steel
- 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.)
- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model relates to an electroacoustic transducer technical field provides a speaker box, including the bottom plate, with the bottom plate encloses the leg of establishing into accommodating space and accept in speaker monomer in the accommodating space, speaker monomer includes vibration system and magnetic circuit, magnetic circuit includes the magnetism bowl and is fixed in the magnet steel of magnetism bowl, speaker box still locates including pressing from both sides the magnetism bowl with support magnet steel between the bottom plate. The utility model provides a speaker box both can play the supporting role to the speaker monomer through setting up the support magnet steel between magnetism bowl and bottom plate, supports the magnet steel, not only can increase the free accommodating space of speaker of acceping, can strengthen magnetic circuit's among the speaker monomer magnetic conduction function moreover to promote the performance of whole speaker box.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an electroacoustic transducer technical field, concretely relates to speaker box.
[ background of the invention ]
With the continuous development of society, speakers are more and more widely applied to portable electronic devices such as mobile phones, notebook computers and hearing aids, and with the higher and higher requirements of people on the functionality of the portable electronic devices, speaker devices applied to the portable electronic devices are also correspondingly and rapidly developed.
The structure of speaker mainly includes speaker monomer, upper cover, bottom plate and leg, and upper cover, bottom plate and leg enclose to close and form the free chamber that holds of acceping the speaker. At present, after the loudspeaker monomer is arranged in the accommodating cavity, almost all the space of the cavity is occupied, especially the space of the cavity between the monomer and the bottom plate is occupied, so that the space of the cavity is too small, the performance of the loudspeaker is influenced, and the magnetic conductivity of a magnetic circuit system in the existing loudspeaker monomer is weak, and the performance of the loudspeaker is influenced.
Therefore, it is necessary to provide a new speaker to solve the above problems.
[ Utility model ] content
The utility model discloses little, the magnetic conductivity of magnetic circuit is weak to solving current speaker box cavity, influences the problem of speaker box performance, and provides a speaker box.
In order to achieve the above object, the utility model provides a loudspeaker box, including the bottom plate, with the bottom plate encloses the leg of establishing into accommodating space and accept in speaker monomer in the accommodating space, speaker monomer includes vibration system and magnetic circuit, magnetic circuit includes the magnetism bowl and is fixed in the magnet steel of magnetism bowl, loudspeaker box still locates including pressing from both sides the magnetism bowl with support magnet steel between the bottom plate.
As an improvement, the vibration system comprises a vibrating diaphragm and a voice coil for driving the vibrating diaphragm to vibrate and sound, and the magnetizing direction of the supporting magnetic steel is perpendicular to the vibration direction of the vibrating diaphragm.
As an improvement, the magnetic steel comprises a main magnetic steel fixed on the magnetic bowl and an edge magnetic steel arranged around the main magnetic steel and forming a magnetic gap with the main magnetic steel at an interval, the support magnetic steel is arranged opposite to the magnetic gap, and the polarity of one side of the support magnetic steel close to the edge magnetic steel is opposite to the polarity of one end of the edge magnetic steel close to the support magnetic steel.
As an improvement, the number of the support magnetic steels is two, the two support magnetic steels are respectively arranged on two opposite sides of the main magnetic steel and are arranged opposite to the magnetic gap.
As an improvement, the magnetic steel further comprises an auxiliary magnetic steel arranged on one side of the side magnetic steel far away from the bottom plate, and the polarity of one end of the side magnetic steel opposite to the auxiliary magnetic steel is the same.
As an improvement, the loudspeaker unit further comprises a basin frame used for supplying the vibration system and the magnetic circuit system, an upper cover arranged at the top of the basin frame, and two first dustproof pieces arranged on two sides of the bottom of the basin frame respectively, the surrounding wall is connected with the upper cover, the first dustproof pieces are close to one end of the bottom plate of the basin frame, and two ends of the magnetic bowl are connected with the first dustproof pieces respectively.
As an improvement, the vibration system further comprises a dome, the vibrating diaphragm comprises an annular vibrating diaphragm and a lower sound diaphragm, the outer side of the annular vibrating diaphragm is connected with the top of the basin frame, the inner side of the annular vibrating diaphragm is connected with the outer side of the dome, the outer side of the lower sound diaphragm is connected with the bottom of the basin frame, the top of the voice coil is abutted to the dome, and the bottom of the voice coil is abutted to the lower sound diaphragm.
As an improvement, the vibration system further includes two elastic support members respectively disposed on two opposite sides of the voice coil, each elastic support member includes an elastic support member body connected to the frame and an elastic arm extending from the elastic support member body toward the voice coil, and one end of the elastic arm, which is far away from the elastic support member body, is clamped between the lower voice diaphragm and the voice coil.
The invention has the beneficial effects that: through setting up the support magnet steel between magnetism bowl and bottom plate, support the magnet steel and both can play the supporting role to the speaker monomer, not only can increase the free accommodating space of speaker of acceping, can strengthen magnetic circuit's among the speaker monomer magnetic conduction function moreover to promote the performance of whole speaker box.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of a speaker box according to an embodiment of the present invention.
Fig. 2 is an exploded view of a speaker box according to an embodiment of the present invention.
Fig. 3 is a cross-sectional view taken along line a-a in fig. 1.
Fig. 4 is a partially enlarged view at B in fig. 3.
Fig. 5 is an exploded view of a speaker unit according to an embodiment of the present invention.
Fig. 6 is a schematic structural view of the basin frame, the upper cover and the first dust-proof member provided by the embodiment of the present invention.
The reference numbers illustrate: 100. a speaker box; 1. a speaker unit; 11. a vibration system; 111. an annular diaphragm; 112. a ball top; 113. a voice coil; 114. a lower sound film; 115. an elastic support member; 1151. an elastic support member body; 1152. a spring arm; 12. a magnetic circuit system; 121. a magnetic bowl; 122. main magnetic steel; 123. edge magnetic steel; 124. a magnetic gap; 125. a secondary magnetic steel; 126. an upper splint; 127. a pole piece; 128. a second dust-proof member; 13. a basin stand; 14. an upper cover; 141. a sound outlet hole; 15. a first dust-proof member; 2. a base plate; 21. a through hole; 3. a surrounding wall; 4. supporting the magnetic steel; 5. an accommodating space; 6. a sound absorbing member.
[ detailed description ] embodiments
The present invention will be described in detail with reference to fig. 1 to 6.
Referring to fig. 1 to 4, an embodiment of the present invention provides a speaker box 100, including a bottom plate 2, a surrounding wall 3 enclosing an accommodating space 5 with the bottom plate 2 and a speaker unit 1 accommodated in the accommodating space 5, the speaker unit 1 includes a vibration system 11 and a magnetic circuit system 12, the magnetic circuit system 12 includes a magnetic bowl 121 and a magnetic steel fixed on the magnetic bowl 121, the speaker box 100 further includes a supporting magnetic steel 4 clamped between the magnetic bowl 121 and the bottom plate 2. With this design, through setting up support magnet steel 4 between magnetism bowl 121 and bottom plate 2, support magnet steel 4 both can play the supporting role to speaker monomer 1, has not only enlarged the space of accommodating 5 of speaker monomer 1, can strengthen magnetic circuit's among the speaker monomer 1 magnetic conduction function again to promote the performance of whole speaker box 100.
Preferably, the vibration system 11 includes a diaphragm and a voice coil 113 for driving the diaphragm to vibrate and generate sound, and the magnetizing direction of the supporting magnetic steel 4 is perpendicular to the vibration direction of the diaphragm.
Preferably, the magnetic steel includes a main magnetic steel 122 fixed to the magnetic bowl 121, an edge magnetic steel 123 surrounding the main magnetic steel 122 and forming a magnetic gap 124 with the main magnetic steel 122 at an interval, and an auxiliary magnetic steel 125 disposed on one side of the edge magnetic steel 123 far from the bottom plate 2, the support magnetic steel 4 is disposed opposite to the magnetic gap 124, the polarity of one side of the support magnetic steel 4 close to the edge magnetic steel 123 is opposite to the polarity of one end of the edge magnetic steel 123 close to the support magnetic steel 4, and the polarity of one end of the edge magnetic steel 123 opposite to the auxiliary magnetic steel 125 is the same. Specifically, referring to fig. 4 and 5, the magnetic circuit system 12 includes a magnetic bowl 121, a main magnetic steel 122 fixed to the magnetic bowl 121, a side magnetic steel 123 disposed around the main magnetic steel 122 and forming a magnetic gap 124 with the main magnetic steel 122 at an interval, an auxiliary magnetic steel 125 disposed on a side of the side magnetic steel 123 far from the bottom plate 2, an upper clamp plate 126 sandwiched between the side magnetic steel 123 and the auxiliary magnetic steel 125, and a pole core 127 stacked on a side of the main magnetic steel 122 far from the bottom plate 2, wherein a second dust-proof member 128 is further sandwiched between the main magnetic steel 122 and the pole core 127. The supporting magnetic steel 4 is arranged between the magnetic bowl 121 and the bottom plate 2, and the supporting magnetic steel 4 is arranged opposite to the magnetic gap 124. The polarity of support magnet steel 4 near one side of limit magnet steel 123 is opposite to the polarity of limit magnet steel 123 near the one end of support magnet steel 4, limit magnet steel 123 is the same with the relative one end polarity of vice magnet steel 125, for example, the one end that limit magnet steel 123 is connected with magnetic bowl 121 is the N utmost point, the one end that limit magnet steel 123 kept away from magnetic bowl 121 is the S utmost point, support magnet steel 4 near limit magnet steel 123 and be the S utmost point towards one side of leg 3, the opposite side is the N utmost point, the one end that vice magnet steel 125 is connected with punch holder 126 is the S utmost point, the one end that vice magnet steel 125 kept away from punch holder 126 is the N utmost. In this design mode, by setting the polarity of the side of the support magnetic steel 4 close to the side magnetic steel 123 opposite to the polarity of the side magnetic steel 123 close to the end of the support magnetic steel 4, the magnetic conductivity of the main magnetic steel 122 and the side magnetic steel 123 can be enhanced by the support magnetic steel 4, so that the performance of the speaker unit 1 is improved; by arranging that the polarities of the opposite ends of the side magnetic steel 123 and the auxiliary magnetic steel 125 are the same, the density of magnetic induction lines in the magnetic gap 124 can be increased, and the performance of the magnetic circuit system 12 is improved, so that the performance of the loudspeaker single body 1 is improved.
Preferably, there are two supporting magnetic steels 4, and the two supporting magnetic steels 4 are respectively disposed on two opposite sides of the main magnetic steel 122, and are both disposed opposite to the magnetic gap 124. The magnetic conduction function of the speaker unit 1 is further enhanced.
In this embodiment, the main magnetic steel 122 is a rectangle with rounded corners, four side magnetic steels 123 are arranged around the main magnetic steel 122 at intervals, two sub magnetic steels 125 are respectively arranged on one side of the bottom plate 2 away from the side magnetic steels 123 arranged at intervals with two long sides of the main magnetic steel 122, and two magnetic gaps 124 formed by the two support magnetic steels 4 and the two long sides of the main magnetic steel 122 and the corresponding side magnetic steels 123 are arranged right opposite to each other. It can be understood that it is also possible to provide only one side magnetic steel 123 on two opposite sides of the main magnetic steel 122 and spaced from the main magnetic steel 122.
Referring to fig. 5 and 6, the speaker unit 1 further includes a frame 13 for mounting the vibration system 11 and the magnetic circuit system 12, an upper cover 14 disposed on the top of the frame 13, and two first dust-proof members 15 respectively disposed on two sides of the bottom of the frame 13, the upper cover 14 is provided with a sound outlet 141 for transmitting sound generated by the vibration system 11, the enclosure wall 3 is connected with the upper cover 14, the first dust-proof members 15 are connected with one end of the frame 13 close to the bottom plate 2, two ends of the magnetic bowl 121 are respectively connected with the two first dust-proof members 15, and the upper clamp plate 126 is fixed on the frame 13.
Preferably, the diaphragm includes a ring-shaped diaphragm 111 and a lower sound diaphragm 114. In this embodiment, the vibration system 11 includes an annular diaphragm 111, a dome 112, a voice coil 113, a lower diaphragm 114, and an elastic support 115, where an outer side of the annular diaphragm 111 is connected to a top of the frame 13, an inner side of the annular diaphragm 111 is connected to an outer side of the dome 112, the voice coil 113 is movably embedded in the magnetic gap 124, a top of the voice coil 113 abuts against the dome 112, and a bottom portion thereof abuts against the elastic support 115. The two elastic supporting members 115 are respectively located at two opposite sides of the voice coil 113 to elastically support the voice coil 113, and the two lower voice diaphragms 114 are also correspondingly located at one side of the elastic supporting members 115 facing the bottom plate 2. The elastic support 115 includes an elastic support body 1151 connected to the frame 13 and a spring arm 1152 extending from the elastic support body 1151 toward the voice coil 113, and one end of the spring arm 1152 away from the elastic support body 1151 is interposed between the lower diaphragm 114 and the voice coil 113. Two elastic support members 115 are arranged on two opposite sides of the voice coil 113 to support the voice coil 113, so that the vibration of the voice coil 113 is more stable, and the sound production effect of the annular diaphragm 111 can be improved. Preferably, the elastic support 115 is a flexible circuit board, and the voice coil 113 is in communication with an external circuit through the elastic support 115.
The bottom plate 2 is provided with a through hole 21 communicated with the accommodating space 5, the through hole 21 is used for balancing the air pressure of the accommodating space 5, the sound absorbing piece 6 is embedded in the through hole 21 of the bottom plate 2, the sound absorbing piece 6 is used for absorbing the sound diffused into the accommodating space 5 when the loudspeaker unit 1 works, the sound in the accommodating space 5 is prevented from being diffused out from the through hole 21, and the sound absorbing piece 6 is of a net-shaped structure.
The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.
Claims (8)
1. The utility model provides a loudspeaker box, loudspeaker box include the bottom plate, with the bottom plate encloses the leg that establishes into accommodating space and accept in speaker monomer in the accommodating space, speaker monomer includes vibration system and magnetic circuit, magnetic circuit includes the magnetism bowl and is fixed in the magnet steel of magnetism bowl, its characterized in that: the loudspeaker box further comprises supporting magnetic steel clamped between the magnetic bowl and the bottom plate.
2. A loudspeaker enclosure as claimed in claim 1, wherein: the vibration system comprises a vibrating diaphragm and a voice coil for driving the vibrating diaphragm to vibrate and sound, and the magnetizing direction of the supporting magnetic steel is perpendicular to the vibration direction of the vibrating diaphragm.
3. A loudspeaker enclosure as claimed in claim 2, wherein: the magnetic steel comprises main magnetic steel fixed on the magnetic bowl and edge magnetic steel arranged around the main magnetic steel and forming a magnetic gap with the main magnetic steel at intervals, the support magnetic steel is arranged opposite to the magnetic gap, and the polarity of one side of the support magnetic steel close to the edge magnetic steel is opposite to that of one end of the edge magnetic steel close to the support magnetic steel.
4. A loudspeaker enclosure as claimed in claim 3, wherein: the two supporting magnetic steels are arranged on two opposite sides of the main magnetic steel respectively and are arranged opposite to the magnetic gap.
5. A loudspeaker enclosure as claimed in claim 3, wherein: the magnetic steel further comprises an auxiliary magnetic steel which is arranged on one side, far away from the bottom plate, of the side magnetic steel, and the polarity of one end, opposite to the auxiliary magnetic steel, of the side magnetic steel is the same.
6. A loudspeaker enclosure as claimed in claim 2, wherein: the loudspeaker unit further comprises a basin frame used for supplying the vibration system and the magnetic circuit system to be installed, an upper cover arranged at the top of the basin frame and two first dustproof pieces arranged on two sides of the bottom of the basin frame respectively, the surrounding wall is connected with the upper cover, the first dustproof pieces are close to one end of the bottom plate of the basin frame, and two ends of the magnetic bowl are connected with the first dustproof pieces respectively.
7. A loudspeaker enclosure as claimed in claim 6, wherein: the vibration system still includes the dome, the vibrating diaphragm includes annular vibrating diaphragm and lower sound membrane, the outside of annular vibrating diaphragm with the top of basin frame is connected, the inboard of annular vibrating diaphragm with the outside of dome is connected, down the outside of sound membrane with the bottom of basin frame is connected, the top of voice coil loudspeaker voice coil with the dome butt, the bottom part of voice coil loudspeaker voice coil with the lower sound membrane butt.
8. A loudspeaker enclosure as claimed in claim 7, wherein: the vibration system further comprises two elastic supporting pieces which are arranged on two opposite sides of the voice coil respectively, each elastic supporting piece comprises an elastic supporting piece body connected with the basin frame and an elastic arm extending from the elastic supporting piece body towards the direction of the voice coil, and one end, far away from the elastic supporting piece body, of each elastic arm is clamped between the lower voice diaphragm and the voice coil.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921950032.2U CN210781329U (en) | 2019-11-12 | 2019-11-12 | Loudspeaker box |
| PCT/CN2019/120331 WO2021093003A1 (en) | 2019-11-12 | 2019-11-22 | Loudspeaker enclosure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921950032.2U CN210781329U (en) | 2019-11-12 | 2019-11-12 | Loudspeaker box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210781329U true CN210781329U (en) | 2020-06-16 |
Family
ID=71040423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921950032.2U Expired - Fee Related CN210781329U (en) | 2019-11-12 | 2019-11-12 | Loudspeaker box |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN210781329U (en) |
| WO (1) | WO2021093003A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113630672A (en) * | 2021-07-08 | 2021-11-09 | 汉得利（常州）电子股份有限公司 | Loudspeaker fixing structure and loudspeaker |
| WO2022061990A1 (en) * | 2020-09-25 | 2022-03-31 | 瑞声声学科技(深圳)有限公司 | Loudspeaker enclosure and mobile terminal |
| CN117098049A (en) * | 2023-10-19 | 2023-11-21 | 瑞声光电科技(常州)有限公司 | Speaker box and handwriting pen |
| CN113630672B (en) * | 2021-07-08 | 2024-05-28 | 汉得利（常州）电子股份有限公司 | Speaker fixed knot constructs and speaker |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015103825A (en) * | 2013-11-21 | 2015-06-04 | オンキヨー株式会社 | Speaker system |
| CN205793294U (en) * | 2016-05-26 | 2016-12-07 | 瑞声声学科技(深圳)有限公司 | Speaker |
| CN207124746U (en) * | 2017-07-24 | 2018-03-20 | 歌尔科技有限公司 | Loudspeaker monomer and electronic equipment |
| CN208638600U (en) * | 2018-08-06 | 2019-03-22 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| CN208638712U (en) * | 2018-08-13 | 2019-03-22 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| CN209390356U (en) * | 2018-12-30 | 2019-09-13 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| CN110035362B (en) * | 2018-12-31 | 2021-01-22 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| CN110267169B (en) * | 2019-06-11 | 2021-06-22 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
-
2019
- 2019-11-12 CN CN201921950032.2U patent/CN210781329U/en not_active Expired - Fee Related
- 2019-11-22 WO PCT/CN2019/120331 patent/WO2021093003A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022061990A1 (en) * | 2020-09-25 | 2022-03-31 | 瑞声声学科技(深圳)有限公司 | Loudspeaker enclosure and mobile terminal |
| CN113630672A (en) * | 2021-07-08 | 2021-11-09 | 汉得利（常州）电子股份有限公司 | Loudspeaker fixing structure and loudspeaker |
| CN113630672B (en) * | 2021-07-08 | 2024-05-28 | 汉得利（常州）电子股份有限公司 | Speaker fixed knot constructs and speaker |
| CN117098049A (en) * | 2023-10-19 | 2023-11-21 | 瑞声光电科技(常州)有限公司 | Speaker box and handwriting pen |
| CN117098049B (en) * | 2023-10-19 | 2024-02-20 | 瑞声光电科技(常州)有限公司 | Speaker box and handwriting pen |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021093003A1 (en) | 2021-05-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 Termination date: 20211112 |