CN211959507U - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN211959507U CN211959507U CN202020280824.XU CN202020280824U CN211959507U CN 211959507 U CN211959507 U CN 211959507U CN 202020280824 U CN202020280824 U CN 202020280824U CN 211959507 U CN211959507 U CN 211959507U
- Authority
- CN
- China
- Prior art keywords
- cover plate
- accommodating space
- loudspeaker
- upper cover
- 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.)
- Active
Links
- 239000011358 absorbing material Substances 0.000 claims abstract description 15
- 239000000178 monomer Substances 0.000 claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 claims abstract description 14
- 238000005192 partition Methods 0.000 claims abstract description 9
- 238000005452 bending Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 230000002745 absorbent Effects 0.000 abstract description 2
- 239000002250 absorbent Substances 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 2
- 238000009423 ventilation Methods 0.000 description 9
- 239000000843 powder Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model provides a loudspeaker, including the upper cover plate, and with the upper cover plate cooperation and with the upper cover plate forms accommodating space's lower apron, still include with accommodating space separates for last accommodating space and accommodating space down ventilative separator, setting are in go up sound production monomer in the accommodating space, and set up and be in sound absorbing material in the accommodating space down. The utility model discloses a ventilative separator restricts sound production monomer in last accommodating space, can prevent that sound absorbent from getting into the free inside of sound production and then causing the influence to acoustic effect. In addition, due to the blocking of the breathable partition, the lower accommodating space can be completely filled with the sound absorption material, and the volume of the sound absorption material is increased.
Description
Technical Field
The utility model belongs to the technical field of the sounding device, especially, relate to a loudspeaker.
Background
The speaker of prior art, in order to obtain better acoustic effect, often fill sound absorbing material in the inside cavity that upper cover plate and lower apron formed, but when the sound production monomer exists and reveals, there is sound absorbing material to get into the inside risk of sound production monomer, influences the acoustic performance of speaker.
Therefore, it is desirable to provide a speaker with more stable performance.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a speaker is provided, solve current speaker structure, sound absorbing material may get into the free problem of sound production when filling sound absorbing material to inside cavity.
In order to solve the technical problem, the utility model discloses a loudspeaker, including the upper cover plate, and with the upper cover plate cooperation and with the lower cover plate of upper cover plate formation accommodating space, still include the ventilative separator that separates the accommodating space into upper accommodating space and lower accommodating space, the sound production monomer that sets up in the upper accommodating space, and the sound absorbing material that sets up in the lower accommodating space;
the breathable isolating piece comprises a supporting frame which surrounds the sounding monomer and is fixed with the upper cover plate or the lower cover plate, and a breathable net which is covered on the supporting frame, is opposite to the upper cover plate and is arranged at intervals, the supporting frame and the breathable net are integrated by injection molding, and the sounding monomer is fixed between the breathable net and the upper cover plate;
the sound production unit comprises a magnetic circuit system with a magnetic gap and a vibration system supported on one side, far away from the breathable isolating piece, of the magnetic circuit system, a leakage channel communicated with the magnetic gap and the upper accommodating space is arranged on the magnetic circuit system, and the leakage channel is communicated with the lower accommodating space through the breathable net.
Further, the vibration system comprises a voice coil suspended in the magnetic gap and a diaphragm supported on one side of the voice coil away from the magnetic circuit system; the sounding monomer further comprises a basin frame, and the basin frame is clamped between the vibrating diaphragm and the magnetic circuit system.
Further, the breathable net is a flat metal net cloth.
Furthermore, the magnetic circuit system is fixedly bonded with the breathable net, and the periphery of the vibration system is fixed on the upper cover plate.
Further, the upper cover plate comprises a top wall and an upper side wall which is bent and extends from the top wall to one side of the lower cover plate and is matched with the lower cover plate.
Furthermore, the upper cover plate further comprises a surrounding wall which is bent and extends to the containing space from the top wall towards the direction of the lower cover plate, and the surrounding wall and the supporting frame are opposite and matched with each other for fixation.
Furthermore, the upper cover plate further comprises a support wall which is bent from the top wall to one side of the lower cover plate and extends into the upper accommodating space, and the diaphragm is clamped between the support wall and the basin frame.
Furthermore, the vibrating diaphragm and the top wall form a front sound cavity at an interval, and a sound outlet channel for communicating the front sound cavity with an external space is arranged on the upper side wall.
Further, the lower cover plate comprises a bottom wall and a lower side wall, wherein the lower side wall extends towards one side of the upper cover plate in a bending mode, and the end face of the upper side wall and the end face of the lower side wall are enclosed.
Further, the lower cover plate further comprises a limiting protrusion extending from the bottom wall to the lower accommodating space, and the breathable isolating piece is clamped between the limiting protrusion and the surrounding wall.
Furthermore, the magnetic circuit system comprises a magnetic bowl fixed on the ventilation net and a magnet part installed on one side, close to the vibrating diaphragm, of the magnetic bowl, the magnetic bowl comprises a supporting plate for supporting the magnet part and extension arms which are bent and extended from the edge of the supporting plate towards the direction of the vibrating diaphragm, and the leakage channel is formed between every two adjacent extension arms at intervals.
Further, the voice coil is in a track shape, and the leakage passages are formed on two sides of a short shaft of the voice coil.
Compared with the prior art, the utility model, beneficial effect lies in: the utility model discloses in, ventilative separator restricts sound production monomer in last accommodating space, can prevent that sound absorbent from getting into the free inside of sound production and then causing the influence to the acoustic effect. In addition, due to the blocking of the air-permeable partition, the lower accommodating space can be used for accommodating sound-absorbing materials, so that the accommodating space for accommodating sound-absorbing powder is increased, and the performance of the loudspeaker is improved.
Drawings
Fig. 1 is a perspective view of an embodiment of the speaker of the present invention.
Fig. 2 is an exploded view of the loudspeaker shown in fig. 1.
3 fig. 3 3 3 is 3a 3 cross 3- 3 sectional 3 view 3 along 3 line 3a 3- 3a 3 of 3 the 3 loudspeaker 3 shown 3 in 3 fig. 31 3. 3
Fig. 4 is a cross-sectional view taken along line B-B of the upper and lower cover plates of the speaker of fig. 1.
Fig. 5 is a cross-sectional view of the loudspeaker shown in fig. 1 taken along line B-B.
Fig. 6 is a partial perspective view of a sound generating unit of the speaker shown in fig. 1.
Fig. 7 is an exploded view of the sound generating unit shown in fig. 6.
Fig. 8 is a structural view of an upper cover plate of the speaker shown in fig. 1.
Fig. 9 is an enlarged view of a portion C in fig. 8.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The utility model provides a pair of speaker volume embodiment is shown in fig. 1, fig. 2, including upper cover plate 1, with upper cover plate 1 cooperation and with upper cover plate 1 forms accommodating space's lower apron 2, ventilative separator 3, sound production monomer 4 and sound absorbing material 6, and ventilative separator 3 sets up in the accommodating space and will accommodating space separates for last accommodating space 51 and lower accommodating space 52, as shown in fig. 4, for the view is more clear, clearly expresses the position of ventilative separator 3, and fig. 4 is the section view schematic diagram of upper cover plate 1 and lower apron 2 package assembly, and sound production monomer 4 sees figure 5 with the section view of upper and lower apron post-assembling, and sound absorbing material 6 sets up in lower accommodating space 52, as shown in fig. 3.
Specifically, as shown in fig. 5 to 8, the ventilation spacer 3 includes a supporting frame 32 surrounding the sound-generating unit 4 and fixed to the upper cover plate 1 or the lower cover plate 2, and a ventilation net 31 covering the supporting frame 32 and facing the upper cover plate 1 at an interval, the ventilation net 31 may be made of a material, such as a metal mesh cloth, capable of ventilating and preventing sound-absorbing material powder from passing through the ventilation net 31, and the sound-generating unit 4 is disposed in the upper receiving space 51, that is, fixed between the ventilation net 31 and the upper cover plate 1. The sounding unit 4 comprises a magnetic circuit system 41 with a magnetic gap and a vibration system 42 supported on the magnetic circuit system 41 and far away from the side of the ventilation isolator 3, a leakage channel 53 communicating the magnetic gap 413 with the upper accommodating space 51 is arranged on the magnetic circuit system 41, and the leakage channel 53 is communicated with the lower accommodating space 52 through the ventilation net 31. The air-permeable net 31 is integrally injection-molded with the support frame 32, and the air-permeable net 31 is preferably in a flat plate shape.
In this embodiment, the ventilation spacer 3 limits the sound generating unit 4 in the upper accommodating space 51, so that the sound absorbing material can be prevented from entering the inside of the sound generating unit 4 and further influencing the acoustic effect. In addition, the lower receiving space 52 can be entirely used to receive the sound-absorbing material due to the blocking of the air-permeable partition 3, thereby increasing the receiving space for the powder of the sound-absorbing material 6 and improving the performance of the speaker.
Specifically, an embodiment of the vibration system 42 may refer to fig. 2, 6 and 7, and includes a voice coil 421 and a diaphragm 422, where the voice coil 421 is suspended at the magnetic gap 413, and the diaphragm 422 is supported on a side of the voice coil 421 away from the magnetic circuit 41; the sound generating unit 4 further includes a frame 43, and the frame 43 is sandwiched between the diaphragm 422 and the magnetic circuit system 41. In this embodiment, the voice coil 421 may be configured as a track type, and specifically includes a long axis 4211 and a short axis 4212, and the leakage path is formed on both sides of the short axis of the voice coil.
Specifically, an embodiment of the magnetic circuit system 41 can be shown in fig. 2, 6 and 7, and includes a magnetic bowl 411 fixed to the air permeable net 31 and a magnet portion 412 installed on one side of the magnetic bowl 411 close to the diaphragm 422, where the magnet portion 412 includes a plurality of magnetic steels, and the magnetic steels are arranged at intervals to form a magnetic gap 413. The magnetic bowl 411 includes a supporting plate 4111 supporting the magnet part 412 and an extending arm 4112 extending from an edge of the supporting plate 4111 toward the direction of the diaphragm 422, wherein the leakage channel 53 is formed between two adjacent extending arms 4112. Alternatively, the magnetic circuit system 41 and the permeable net 31 are fixed by bonding, and the periphery of the vibration system 42 is fixed on the upper cover plate 1.
Further, as shown in fig. 8 and 9, the upper cover plate 1 includes a top wall 11, and an upper side wall 12 extending from the top wall 11 to one side of the lower cover plate 2, and the upper cover plate 1 is engaged with the lower cover plate 2 through the upper side wall 12. Optionally, the utility model discloses set up sound channel 15 on last lateral wall 12, can refer to the cross-sectional view of fig. 4, fig. 5, vibrating diaphragm 422 with sound chamber 54 before the interval of roof 11 forms, sound channel 15 will preceding sound chamber 54 and speaker exterior space intercommunication make the sound that sound production monomer 4 sent conduct to the outside.
Optionally, as shown in fig. 8 and 9, the upper cover 1 further includes a surrounding wall 13 extending from the top wall 11 to one side of the lower cover 2 and being bent into the receiving space, and an end face 131 of the surrounding wall 13 is supported on the supporting frame 32 of the air-permeable partition 3, as shown in fig. 4 and 5.
Optionally, with further reference to fig. 8 and 9, the upper cover plate 1 further includes a support wall 14 that is bent from the top wall 11 toward one side of the lower cover plate 2 and extends into the upper receiving space, an edge of the sound-emitting unit 4 is supported on an end surface 141 of the support wall 14, and as shown in fig. 5 in particular, the diaphragm 422 is sandwiched between the support wall 14 and the frame 43.
Further, as shown in fig. 2, the lower cover plate 2 includes a bottom wall 21, and a lower side wall 22 extending from the bottom wall 21 to one side of the upper cover plate 1 in a bending manner, and an end surface 121 of the upper side wall 12 and an end surface of the lower side wall 22 enclose, as shown in fig. 4 and 5, the upper side wall 12 and the lower side wall 22 may be engaged with each other through a stepped structure, or may be engaged with each other through a planar adhesive or other bayonet structure. Further, as shown in fig. 2, a protrusion may be further disposed on the lower cover plate 2, the protrusion extends from the bottom wall 21 into the lower receiving space 52 to limit the air-permeable partition 3, as shown in fig. 2, the protrusion 23A abuts against the outer edge of the support frame 3 to limit the lateral displacement of the air-permeable partition 3, and the protrusion 23B is used for heightening the air-permeable partition 3 to increase the volume of the receiving space 52, so that more sound-absorbing materials may be received, and the sound effect of the speaker is improved.
It should be understood that the above-described embodiments are exemplary and should not be construed as limiting the present invention, and that those skilled in the art can make changes, modifications, substitutions and alterations to the above-described embodiments without departing from the scope of the present invention, which should be construed as being encompassed by the present invention.
Claims (12)
1. A loudspeaker comprises an upper cover plate and a lower cover plate which is matched with the upper cover plate and forms an accommodating space with the upper cover plate,
the sound-absorbing type wall body is characterized by also comprising a breathable partition piece for dividing the accommodating space into an upper accommodating space and a lower accommodating space, a sound-generating single body arranged in the upper accommodating space, and a sound-absorbing material arranged in the lower accommodating space;
the breathable isolating piece comprises a supporting frame which surrounds the sounding monomer and is fixed with the upper cover plate or the lower cover plate, and a breathable net which is covered on the supporting frame, is opposite to the upper cover plate and is arranged at intervals, the supporting frame and the breathable net are integrated by injection molding, and the sounding monomer is fixed between the breathable net and the upper cover plate;
the sound production unit comprises a magnetic circuit system with a magnetic gap and a vibration system supported on one side, far away from the breathable isolating piece, of the magnetic circuit system, a leakage channel communicated with the magnetic gap and the upper accommodating space is arranged on the magnetic circuit system, and the leakage channel is communicated with the lower accommodating space through the breathable net.
2. A loudspeaker according to claim 1, wherein the vibration system comprises a voice coil suspended in the magnetic gap and a diaphragm supported on the side of the voice coil remote from the magnetic circuit system; the sounding monomer further comprises a basin frame, and the basin frame is clamped between the vibrating diaphragm and the magnetic circuit system.
3. The loudspeaker of claim 1, wherein the air permeable mesh is a flat metal mesh.
4. The loudspeaker of claim 2, wherein the magnetic circuit system is adhesively secured to the air permeable mesh, and the periphery of the vibration system is secured to the upper cover plate.
5. The speaker of claim 2, wherein the upper cover includes a top wall, and an upper side wall extending from the top wall to a side of the lower cover and engaged with the lower cover.
6. The loudspeaker of claim 5, wherein the top cover further comprises a wall extending from the top wall toward the bottom cover and extending into the receiving space, and the wall is opposite to and fixed with the support frame.
7. The loudspeaker of claim 6, wherein the upper cover further comprises a support wall extending from the top wall to one side of the lower cover and bent into the upper receiving space, and the diaphragm is sandwiched between the support wall and the frame.
8. A loudspeaker as claimed in claim 5, characterized in that the diaphragm is spaced from the top wall to form a front acoustic chamber, and the upper side wall is provided with a sound outlet channel for communicating the front acoustic chamber with an external space.
9. The loudspeaker of claim 6, wherein the lower cover plate comprises a bottom wall and a lower side wall extending from the bottom wall in a bending way towards one side of the upper cover plate, and the end surface of the upper side wall and the end surface of the lower side wall enclose.
10. The loudspeaker of claim 9, wherein the lower cover further comprises a limiting protrusion extending from the bottom wall into the lower receiving space, and the air-permeable partition is sandwiched between the limiting protrusion and the surrounding wall.
11. The loudspeaker of claim 2, wherein the magnetic circuit system comprises a magnetic bowl fixed to the air permeable net and a magnet part mounted on one side of the magnetic bowl close to the diaphragm, the magnetic bowl comprises a support plate supporting the magnet part and extension arms partially bending and extending from the edge of the support plate towards the direction of the diaphragm, and the leakage channel is formed between two adjacent extension arms at intervals.
12. The loudspeaker of claim 11 wherein said voice coil is racetrack shaped and said leakage paths are formed on both sides of a minor axis of said voice coil.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020280824.XU CN211959507U (en) | 2020-03-09 | 2020-03-09 | Loudspeaker |
| PCT/CN2020/078935 WO2021179237A1 (en) | 2020-03-09 | 2020-03-12 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020280824.XU CN211959507U (en) | 2020-03-09 | 2020-03-09 | Loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211959507U true CN211959507U (en) | 2020-11-17 |
Family
ID=73193642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020280824.XU Active CN211959507U (en) | 2020-03-09 | 2020-03-09 | Loudspeaker |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN211959507U (en) |
| WO (1) | WO2021179237A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024119339A1 (en) * | 2022-12-06 | 2024-06-13 | 瑞声光电科技(常州)有限公司 | Speaker box |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN217721421U (en) * | 2022-07-04 | 2022-11-01 | 瑞声光电科技(常州)有限公司 | Loudspeaker box |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9369787B2 (en) * | 2013-06-03 | 2016-06-14 | Nokia Technologies Oy | Shielded audio apparatus |
| CN209897214U (en) * | 2019-04-19 | 2020-01-03 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
| WO2021000155A1 (en) * | 2019-06-30 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Speaker box |
| CN210075488U (en) * | 2019-07-24 | 2020-02-14 | 嘉兴宇邦声学科技有限公司 | Sound device is inhaled to back chamber multilayer for speaker |
-
2020
- 2020-03-09 CN CN202020280824.XU patent/CN211959507U/en active Active
- 2020-03-12 WO PCT/CN2020/078935 patent/WO2021179237A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024119339A1 (en) * | 2022-12-06 | 2024-06-13 | 瑞声光电科技(常州)有限公司 | Speaker box |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021179237A1 (en) | 2021-09-16 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |