CN210781330U - Loudspeaker box - Google Patents

Loudspeaker box Download PDF

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Publication number
CN210781330U
CN210781330U CN201921950326.5U CN201921950326U CN210781330U CN 210781330 U CN210781330 U CN 210781330U CN 201921950326 U CN201921950326 U CN 201921950326U CN 210781330 U CN210781330 U CN 210781330U
Authority
CN
China
Prior art keywords
bottom plate
loudspeaker
enclosure
protruding portion
wall
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
Application number
CN201921950326.5U
Other languages
Chinese (zh)
Inventor
刘晓东
张龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AAC Technologies Pte Ltd
Original Assignee
AAC Technologies Pte Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by AAC Technologies Pte Ltd filed Critical AAC Technologies Pte Ltd
Priority to CN201921950326.5U priority Critical patent/CN210781330U/en
Priority to PCT/CN2019/120334 priority patent/WO2021093004A1/en
Application granted granted Critical
Publication of CN210781330U publication Critical patent/CN210781330U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/16Sound input; Sound output
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/60Substation equipment, e.g. for use by subscribers including speech amplifiers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06Loudspeakers

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

The utility model relates to an electroacoustic transducer technical field provides a speaker box, the speaker box include the bottom plate, with the bottom plate encloses the leg of establishing into accommodating space and accept in speaker monomer in the accommodating space, the leg is close to the inside wall of the one end of bottom plate is equipped with the support the arch of bottom plate. The utility model provides a loudspeaker box can avoid in some occasions, and the bottom plate receives exogenic action compression accommodating space, causes loudspeaker box's performance loss.

Description

Loudspeaker box
[ technical field ] A method for producing a semiconductor device
The utility model relates to an electroacoustic transducer technical field specifically indicates a 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, top cap, bottom plate and leg, and top cap, bottom plate and leg enclose to close and form the free chamber that holds of acceping the speaker. At present, the bottom plate is mainly through sealed glue with the leg bonding together, and the stability that bottom plate and leg are connected is not high, and under some circumstances, the bottom plate can appear probably under the effect of external force, and it holds the chamber to throw off the compression with sealed glue, causes the loss of loudspeaker performance.
Therefore, it is necessary to provide a new speaker to solve the above problems.
[ Utility model ] content
The utility model discloses to the fixed insecure problem of solution leg, and provide a speaker box.
In order to achieve the above object, the utility model provides a loudspeaker box, loudspeaker box include the bottom plate, with the bottom plate encloses the leg of establishing into accommodating space and accept in speaker monomer in the accommodating space, the leg is close to the inside wall of the one end of bottom plate is equipped with the support the arch of bottom plate.
As a modification, the projections are provided in plurality and spaced apart from each other.
As an improvement, the projection includes a first projecting portion, a second projecting portion disposed at an interval from the first projecting portion, and a connecting portion connected to a side edge of the first projecting portion and a side edge of the second projecting portion.
As a refinement, the projection is integrally formed with the peripheral wall.
As an improvement, the cross-sectional profile of the surrounding wall is a rectangle with round corners, the two opposite inner side walls of the surrounding wall are both provided with the protrusions, and each inner side wall is provided with two protrusions at intervals.
As an improvement, the edge of the bottom plate faces the loudspeaker single body and is provided with a concave part, the concave part and the surrounding wall are enclosed to form a groove part, and sealant is filled in the groove part.
As an improvement, the bottom plate includes a bottom plate body, a support portion abutting on a side of the protrusion away from the speaker unit, and a bottom plate connection portion extending obliquely from the bottom plate body to the support portion, the support portion and the bottom plate connection portion forming the recess.
As an improvement, the speaker monomer includes vibration system, is used for the drive vibration system vibrates the magnetic circuit of sound production, is used for supplying vibration system with the basin frame of magnetic circuit installation, with the basin frame is kept away from top cap that bottom plate one side is connected and with the basin frame orientation the first dustproof piece that bottom plate one side is connected, the leg is kept away from one side of bottom plate with the top cap is connected, the basin frame the top cap with first dustproof piece encloses to close and forms and is used for acceping magnetic circuit with vibration system's holding chamber.
As an improvement, the speaker box is further provided with a top plate arranged on the top cover, the top cover is provided with a clamping groove, the top plate is provided with a clamping block matched with the clamping groove, the top plate is fixed on one side, away from the bottom plate, of the top cover through the matching of the clamping block and the clamping groove, and the top plate and the top cover are enclosed to form a sound outlet.
The invention has the beneficial effects that: through set up the arch at the leg inboard, the arch forms the support to the bottom plate, has avoided in some occasions, and the bottom plate receives external force effect compression accommodating space, causes the performance loss of speaker box.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of an angle 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 of fig. 1.
Fig. 4 is an enlarged schematic view at B in fig. 3.
Fig. 5 is a schematic structural diagram of another angle of the speaker box of the present invention.
Fig. 6 is a schematic structural diagram of a speaker unit according to an embodiment of the present invention.
Fig. 7 is a schematic diagram of the cooperation between the voice coil and the voice coil bobbin provided by the embodiment of the present invention.
Fig. 8 is a schematic structural diagram of an elastic supporting member according to an embodiment of the present invention.
Fig. 9 is a schematic diagram of the main magnet steel, the side magnet steel and the voice coil provided by the embodiment of the present invention.
Fig. 10 is a schematic view of the basin frame, the top cover and the first dust screen 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 voice coil former; 1141. a skeleton body; 1142. a first connection portion; 1143. a second connecting portion; 115. a lower sound film; 116. an elastic support member; 1161. an elastic support member body; 1162. a spring arm; 1163. an extension arm; 12. a magnetic circuit system; 121. a lower splint; 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. a top cover; 141. a card slot; 15. a first dust-proof member; 2. a base plate; 21. a bottom plate body; 211. a sound absorbing member; 212. a through hole; 22. a recess; 221. a support portion; 222. a base plate connecting portion; 23. a groove part; 3. a surrounding wall; 31. a protrusion; 311. a first projecting portion; 312. a second projection; 313. a connecting portion; 4. an accommodating space; 5. a top plate; 51. a clamping block; 6. an accommodating cavity; 7. and a sound outlet.
[ detailed description ] embodiments
The present invention will be described in detail with reference to fig. 1 to 10.
Referring to fig. 1 and 2, an embodiment of the present invention provides a speaker box 100, which includes a bottom plate 2, a wall 3 enclosing with the bottom plate 2 to form an accommodating space 4, and a speaker unit 1 accommodated in the accommodating space 4, wherein an inner side wall of one end of the wall 3 close to the bottom plate 2 is provided with a protrusion 31 for supporting the bottom plate 2. In this design, by providing the protrusion 31 inside the surrounding wall 3, the protrusion 31 supports the bottom plate 2, thereby preventing the bottom plate 2 from compressing the accommodating space 4 by external force and causing performance loss of the speaker box 100 in some occasions.
Preferably, the protrusion 31 is provided in plurality, spaced apart from each other, and the protrusion 31 is integrally formed with the surrounding wall 3.
Referring to fig. 3 to 5, the cross-sectional profile of the surrounding wall 3 is rectangular with rounded corners, and two protrusions 31 are disposed on two opposite inner sidewalls of the surrounding wall 3, wherein two protrusions 31 are disposed at intervals on each inner sidewall. By providing two projections 31 spaced apart on each inner side wall, the support and strength of the base plate 2 to the enclosure wall 3 is enhanced. The protrusion 31 includes a first protruding portion 311, a second protruding portion 312, and a connection portion 313, the second protruding portion 312 is disposed at an interval from the first protruding portion 311, and the connection portion 313 is connected to a side edge of the first protruding portion 311 and a side edge of the second protruding portion 312. Preferably, the second protrusion 312 is provided on a side of the first protrusion 311 toward or away from the base plate 2. In this design, the strength of the protrusion 31 can be enhanced by providing the protrusion 31 including the first protrusion 311 and the second protrusion 312, thereby achieving better supporting effect and service life.
Preferably, the bottom plate 2 includes a bottom plate body 21, a support portion 221, and a bottom plate connection portion 222, the support portion 221 abuts against one side of the protrusion 31 away from the speaker unit 1, the bottom plate connection portion 222 extends obliquely from the bottom plate body 21 to the support portion 221, the support portion 221 and the bottom plate connection portion 222 form a concave portion 22 disposed toward the speaker unit 1, the concave portion 22 and the surrounding wall 3 enclose a groove portion 23, and the groove portion 23 is filled with a sealant. The groove 23 is filled with a sealant, thereby improving the sealing performance of the speaker box 100.
In this embodiment, the bottom plate body 21 is provided with a through hole 212 communicating with the accommodating space 4, the through hole 212 is used for balancing the air pressure in the accommodating space 4, the sound absorbing member 211 is embedded in the through hole 212 of the bottom plate body 21, the sound absorbing member 211 is used for absorbing the sound diffused into the accommodating space 4 when the speaker unit 1 works, the sound in the accommodating space 4 is prevented from being diffused out from the through hole 212, and the sound absorbing member 211 is of a mesh structure.
Referring to fig. 6 to 10, the speaker unit 1 includes a vibration system 11, a magnetic circuit system 12 for driving the vibration system 11 to vibrate and generate sound, a frame 13 for mounting the vibration system 11 and the magnetic circuit system 12, a top cover 14 connected to a side of the frame 13 away from the bottom plate 2, and a first dust-proof member 15 connected to a side of the frame 13 facing the bottom plate 2, wherein a side of the enclosure wall 3 away from the bottom plate 2 is connected to the top cover 14, and the frame 13, the top cover 14, and the first dust-proof member 15 enclose and form an accommodating cavity 6 for accommodating the magnetic circuit system 12 and the vibration system 11.
The vibration system 11 includes an annular diaphragm 111 and a lower diaphragm 115 connected to the frame 13, a dome 112 connected to the annular diaphragm 111, a voice coil 113 for driving the annular diaphragm 111 and the lower diaphragm 115 to vibrate, and a voice coil bobbin 114 disposed on the voice coil 113, 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, an outer side of the lower diaphragm 115 is connected to a bottom of the frame 13, and the voice coil bobbin 114 includes a bobbin body 1141 connected to the voice coil 113, a first connection portion 1142 extending from the bobbin body 1141 toward the dome 112 and connected to the dome 112, and a second connection portion 1143 extending from the bobbin body 1141 toward the lower diaphragm 115 and connected to the lower diaphragm 115. In this design, by providing that the voice coil bobbin 114 includes the first connection portion 1142 connected to the dome 112 and the second connection portion 1143 connected to the lower diaphragm 115, the voice coil 113 is connected to the dome 112 and the lower diaphragm 115 through the first connection portion 1142 and the second connection portion 1143, respectively, and the design of the voice coil 113 has higher flexibility while ensuring the performance of the speaker box 100.
In this embodiment, the vibration system 11 further includes two elastic supporting members 116 respectively disposed on two opposite sides of the voice coil 113, the elastic supporting member 116 includes an elastic supporting member body 1161 connected to the frame 13 and an elastic arm 1162 extending from the elastic supporting member body 1161 toward the voice coil 113, and an end of the elastic arm 1162 away from the elastic supporting member body 1161 is sandwiched between the lower sound diaphragm 115 and the second connecting portion 1143. In addition, one of the elastic supporting members 116 further includes an extension arm 1163 extending from the elastic supporting member body 1161 in a direction away from the voice coil 113, and the extension arm 1163 extends to the outside of the surrounding wall 3. Preferably, the elastic support 116 is a flexible circuit board, and may be used for electrical connection of the voice coil 113 and an external power source, in addition to functioning as an elastic support for the voice coil 113.
The magnetic circuit system 12 includes a lower plate 121 fixed to the first dust-proof component 15, a main magnet 122 fixed to the lower plate 121, a side magnet 123 disposed around the main magnet 122 and forming a magnetic gap 124 with the main magnet 122 at an interval, an auxiliary magnet 125 disposed on one side of the side magnet 123 facing the top cover 14, an upper plate 126 sandwiched between the side magnet 123 and the auxiliary magnet 125, and a pole core 127 stacked on one side of the main magnet 122 away from the bottom plate 2, wherein the upper plate 126 is fixed to the frame 13, the lower plate 121 is disposed at an interval with the bottom plate 2, and the voice coil 113 is movably embedded in the magnetic gap 124. In this embodiment, the main magnetic steel 122 is rectangular with rounded corners, four side magnetic steels 123 are provided around the main magnetic steel 122 at intervals, two sub magnetic steels 125 are respectively provided on one side of the side magnetic steels 123 facing the top cover 14, which are provided at intervals with two long sides of the main magnetic steel 122, and a second dust-proof member 128 is interposed between the main magnetic steel 122 and the pole piece 127, it can be understood that only one side magnetic steel 123 is provided at intervals with the main magnetic steel 122 on two opposite sides of the main magnetic steel 122. In addition, two first dust-proof members 15 are provided, which are respectively located on two opposite sides of the lower clamping plate 121 and are provided on one side of the lower sound film 115 facing the bottom plate 2.
Referring to fig. 1, fig. 2 and fig. 10, the speaker box 100 further includes a top plate 5, the top cover 14 has a slot 141, the top plate 5 has a latch 51 engaged with the slot 141, the top plate 5 is fixed to a side of the top cover 14 away from the bottom plate 2 by the engagement of the latch 51 and the slot 141, and the top plate 5 and the top cover 14 enclose to form the sound outlet 7.
The above are only embodiments of the present invention, 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 (9)

1. A loudspeaker enclosure, characterized by: the loudspeaker box comprises a bottom plate, an enclosure wall and a loudspeaker single body, wherein the enclosure wall is enclosed into an accommodating space by the bottom plate, the loudspeaker single body is accommodated in the accommodating space, and the inner side wall of one end, close to the bottom plate, of the enclosure wall is provided with a protrusion for supporting the bottom plate.
2. A loudspeaker enclosure as claimed in claim 1, wherein: the bulges are arranged in a plurality and are arranged at intervals.
3. A loudspeaker enclosure as claimed in claim 1, wherein: the protrusion comprises a first protruding portion, a second protruding portion and a connecting portion, the second protruding portion is arranged at an interval with the first protruding portion, and the connecting portion is connected to the side edge of the first protruding portion and the side edge of the second protruding portion.
4. A loudspeaker enclosure as claimed in claim 1, wherein: the protrusion is integrally formed with the surrounding wall.
5. A loudspeaker enclosure as claimed in claim 2, wherein: the cross section profile of leg is the rectangle of taking the fillet, two inside walls that the leg is relative all are equipped with the arch, wherein, every inside wall interval is equipped with two the arch.
6. A loudspeaker enclosure as claimed in any one of claims 1 to 5, wherein: the edge of bottom plate is equipped with the concave part towards the speaker monomer, the concave part with the enclosure wall encloses and closes and form the slot part, it has sealed glue to fill in the slot part.
7. A loudspeaker enclosure as claimed in claim 6, wherein: the bottom plate comprises a bottom plate body, a supporting part and a bottom plate connecting part, wherein the supporting part is abutted to one side, far away from the loudspeaker monomer, of the protrusion, the bottom plate connecting part extends to the supporting part from the bottom plate body in an inclined mode, and the supporting part and the bottom plate connecting part form the concave part.
8. A loudspeaker enclosure as claimed in claim 1, wherein: the loudspeaker monomer includes vibration system, is used for the drive vibration system vibrates the magnetic circuit of sound production, is used for supplying vibration system with the basin frame of magnetic circuit installation, with the basin frame is kept away from the top cap that bottom plate one side is connected and with the basin frame orientation the first dustproof piece that bottom plate one side is connected, the leg is kept away from one side of bottom plate with the top cap is connected, the basin frame the top cap and first dustproof piece encloses to close and forms and is used for acceping magnetic circuit with vibration system's holding chamber.
9. A loudspeaker enclosure as claimed in claim 8, wherein: the loudspeaker box is characterized by further comprising a top plate arranged on the top cover, the top cover is provided with a clamping groove, the top plate is provided with a clamping block matched with the clamping groove, the top plate is fixed on one side, away from the bottom plate, of the top cover through the matching of the clamping block and the clamping groove, and the top plate and the top cover are enclosed to form a sound outlet.
CN201921950326.5U 2019-11-12 2019-11-12 Loudspeaker box Expired - Fee Related CN210781330U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201921950326.5U CN210781330U (en) 2019-11-12 2019-11-12 Loudspeaker box
PCT/CN2019/120334 WO2021093004A1 (en) 2019-11-12 2019-11-22 Loudspeaker enclosure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921950326.5U CN210781330U (en) 2019-11-12 2019-11-12 Loudspeaker box

Publications (1)

Publication Number Publication Date
CN210781330U true CN210781330U (en) 2020-06-16

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ID=71036496

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921950326.5U Expired - Fee Related CN210781330U (en) 2019-11-12 2019-11-12 Loudspeaker box

Country Status (2)

Country Link
CN (1) CN210781330U (en)
WO (1) WO2021093004A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112104935A (en) * 2020-09-29 2020-12-18 瑞声新能源发展(常州)有限公司科教城分公司 Loudspeaker box

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090068706A (en) * 2007-12-24 2009-06-29 에스텍 주식회사 Slim type speaker
CN205510382U (en) * 2015-12-31 2016-08-24 歌尔声学股份有限公司 Multi -function device with vibration function and sound producing function
CN208638673U (en) * 2018-08-09 2019-03-22 瑞声科技(新加坡)有限公司 Loudspeaker enclosure
CN109495827A (en) * 2018-12-31 2019-03-19 瑞声声学科技(深圳)有限公司 Loudspeaker enclosure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112104935A (en) * 2020-09-29 2020-12-18 瑞声新能源发展(常州)有限公司科教城分公司 Loudspeaker box

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WO2021093004A1 (en) 2021-05-20

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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