CN209823994U - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN209823994U CN209823994U CN201822278313.XU CN201822278313U CN209823994U CN 209823994 U CN209823994 U CN 209823994U CN 201822278313 U CN201822278313 U CN 201822278313U CN 209823994 U CN209823994 U CN 209823994U
- Authority
- CN
- China
- Prior art keywords
- voice coil
- side plate
- cylindrical side
- loudspeaker
- vibrating diaphragm
- 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
Links
- 239000011230 binding agent Substances 0.000 claims abstract description 5
- 238000005452 bending Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 6
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The utility model provides a loudspeaker, which comprises a magnetic circuit system, a vibration system and a basin frame provided with an accommodating cavity, wherein the magnetic circuit system and the vibration system are both arranged in the accommodating cavity, magnetic circuit includes the magnetic frame of being connected with the basin frame and accommodates the permanent magnet in the magnetic frame, vibration system includes the vibrating diaphragm subassembly of being connected with basin frame top, the part holds the voice coil loudspeaker voice coil and the skeleton that both ends are connected with voice coil loudspeaker voice coil and vibrating diaphragm subassembly respectively in the magnetic gap that magnetic frame and permanent magnet formed, the skeleton includes the first cylindric curb plate of being connected with the voice coil loudspeaker voice coil, the annular connecting plate that extends to buckling from the one end that first cylindric curb plate is close to vibration system and the second cylindric curb plate that extends and be connected with the vibrating diaphragm subassembly from the one end of keeping away from first cylindric curb plate of annular connecting plate, the junction of first cylindric curb plate and annular connecting plate is equipped with logical groove, thereby be used for filling binder fixed voice coil loudspeaker voice coil and skeleton. The utility model discloses be equipped with a plurality of logical grooves on the skeleton to be used for filling the binder and avoid voice coil loudspeaker voice coil and skeleton separation.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a loudspeaker.
[ background of the invention ]
The existing loudspeaker comprises a basin frame and a sounding monomer connected with the basin frame, wherein the sounding monomer comprises a vibrating diaphragm, a voice coil, a magnetic frame and a permanent magnet contained in the magnetic frame, the vibrating diaphragm and the magnetic frame are installed on the basin frame, the voice coil is partially accommodated in a magnetic gap formed by the permanent magnet, when the voice coil is led in alternating current, the voice coil in the magnetic gap can generate motion due to the action of a magnetic field, and along with the change of the current, the voice coil can drive the vibrating diaphragm to vibrate up and down, so that the loudspeaker can make sound.
However, in the existing speaker, the voice coil is usually directly connected to the dome on the diaphragm, so that the voice coil needs to be extended into the magnetic gap and needs a longer wire to wind, the risk of wire breakage of the voice coil lead is increased, the reliability of the product is reduced, and moreover, the voice coil near the dome does not have a magnetic field to pass through, and the existence of the voice coil in the part reduces the magnetic field utilization rate of the whole voice coil and reduces the sensitivity.
Accordingly, there is a need for an improved loudspeaker.
[ Utility model ] content
An object of the utility model is to provide a reduce the loudspeaker of broken string risk, promotion reliability.
The technical scheme of the utility model as follows:
a loudspeaker comprises a magnetic circuit system, a vibration system and a basin frame provided with an accommodating cavity, wherein the magnetic circuit system and the vibration system are accommodated in the accommodating cavity, the magnetic circuit system comprises a magnetic frame connected with the basin frame and a permanent magnet accommodated in the magnetic frame, the vibration system comprises a vibrating diaphragm assembly connected with the top of the basin frame, a voice coil partially accommodated in a magnetic gap formed by the magnetic frame and the permanent magnet, and a framework of which two ends are respectively connected with the voice coil and the vibrating diaphragm assembly, the framework comprises a first cylindrical side plate connected with the voice coil, an annular connecting plate extending from one end of the first cylindrical side plate close to the vibration system to a bend, and a second cylindrical side plate extending from one end of the annular connecting plate far away from the first cylindrical side plate to the direction of the vibration system and connected with the vibrating diaphragm assembly, a plurality of through grooves are formed in the joint of the first cylindrical side plate and the annular connecting plate at intervals and used for filling a binder to fixedly connect the voice coil and the framework.
As an improvement, an annular slot is formed in the outer side wall of the voice coil, and the first cylindrical side plate is inserted into the annular slot.
As a modification, the height of the first cylindrical side plate is smaller than the height of the annular insertion groove.
As a modification, the outer diameter of the first cylindrical side plate is equal to the maximum outer diameter of the voice coil.
As a modification, the inner diameter of the second cylindrical side plate is equal to the inner diameter of the voice coil.
As an improvement, the vibrating diaphragm assembly comprises a vibrating diaphragm connected with the top of the basin frame, and the second cylindrical side plate is connected with the vibrating diaphragm.
As an improvement, the vibrating diaphragm subassembly include with the vibrating diaphragm that the basin frame top is connected with locate the vibrating diaphragm below and with the flexible circuit board that the basin frame is connected, second cylindric curb plate with the flexible circuit board is connected.
As an improvement, be equipped with the breach on the second cylindric curb plate, the voice coil loudspeaker voice coil includes the voice coil loudspeaker voice coil lead wire, the voice coil loudspeaker voice coil lead wire pass through the breach with flexible circuit board is connected.
As an improvement, the end face of the first cylindrical side plate close to the vibration system is flush with the end face of the voice coil close to the vibration system.
As an improvement, the annular connecting plate abuts against an end face of the voice coil close to the vibration system.
The beneficial effects of the utility model reside in that: the utility model discloses increase a skeleton between vibrating diaphragm subassembly and the voice coil loudspeaker voice coil in the speaker, the cross section of skeleton is "Z" type, and the voice coil loudspeaker voice coil passes through the skeleton and is connected with the vibrating diaphragm subassembly for the part increase in the magnetic gap is stretched into to the voice coil loudspeaker voice coil, has improved the magnetic field utilization ratio of voice coil loudspeaker voice coil, simultaneously, sets up a plurality of logical grooves on the skeleton, thereby it is with the skeleton to be used for filling binder fixed connection voice coil loudspeaker voice coil, strengthens the adhesion strength between voice coil loudspeaker voice coil and the skeleton, reduces the risk of voice coil loudspeaker voice.
[ description of the drawings ]
Fig. 1 is a perspective view of a viewing angle of a speaker according to an embodiment of the present invention.
Fig. 2 is an exploded schematic view of a speaker according to an embodiment of the present invention.
Fig. 3 is a perspective view of another perspective view of the speaker according to the embodiment of the present invention.
Fig. 4 is a cross-sectional view taken along line a-a of fig. 3.
Fig. 5 is a partially enlarged view of B in fig. 4.
Fig. 6 is a perspective view of a framework provided in the embodiment of the present invention.
Fig. 7 is a partially enlarged view of fig. 6 at circle C.
In the figure: 1. a speaker; 10. a magnetic circuit system; 11. a magnetic frame; 12. a permanent magnet; 13. a pole piece; 20. a vibration system; 21. a diaphragm assembly; 211. vibrating diaphragm; 212. a flexible circuit board; 213. a ball-top cone; 22. a voice coil; 221. an annular slot; 222. a voice coil lead; 23. a framework; 231. a first cylindrical side plate; 232. a second cylindrical side plate; 233. an annular connecting plate; 234. a through groove; 235. a notch; 30. a basin stand; 31. an accommodating cavity.
[ detailed description ] embodiments
The present invention will be further described with reference to the accompanying drawings and embodiments.
It should be noted that all the directional indicators (such as upper, lower, inner, outer, top, bottom … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
It will also be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
As shown in fig. 1 to 2, a speaker 1 according to an embodiment of the present invention includes a magnetic circuit system 10, a vibration system 20, and a frame 30 having a receiving cavity 31, wherein the magnetic circuit system 10 and the vibration system 20 are both received in the receiving cavity 31.
Please refer to fig. 3 and fig. 4 together, the magnetic circuit system 10 of the present invention includes a magnetic frame 11 connected to the bottom of the basin frame 30 and shaped like a bowl and a permanent magnet 12 contained in the magnetic frame 11, the vibration system 20 includes a vibrating diaphragm assembly 21 connected to the top of the basin frame 30, a voice coil 22 partially contained in a magnetic gap formed by the magnetic frame 11 and the permanent magnet 12, and a frame 23 having two ends respectively connected to the voice coil 22 and the vibrating diaphragm assembly 21, the vibrating diaphragm assembly 21 of the present embodiment includes a vibrating diaphragm 211 connected to the top of the basin frame 30 and a flexible circuit board 212 disposed below the vibrating diaphragm 211 and connected to the basin frame 30, and the frame 23 is connected to the flexible circuit board 212. When the voice coil 22 is energized with alternating current, the voice coil 22 in the magnetic gap can move under the action of the magnetic field, the voice coil 22 drives the diaphragm 211 to vibrate up and down through the framework 23, and the air in the space below the diaphragm 211 can be compressed or expanded in the vibration process of the diaphragm 211, so that sound is generated. In other embodiments, the diaphragm assembly 21 may also include only the diaphragm 211, and the skeleton 23 is directly connected to the diaphragm 211.
In this embodiment, the magnetic circuit system 10 further includes a pole core 13, the bottom of the permanent magnet 12 is fixed in the magnetic frame 11, the pole core 13 is fixed on the top of the permanent magnet 12 and is made of a magnetic conductive material, the magnetic gap is located between the magnetic frame 11 and the permanent magnet 12 and the pole core 13, and the portion of the diaphragm 211 corresponding to the pole core 13 protrudes outward to form a spherical vertex cone 213.
Referring to fig. 5 and fig. 6, the bobbin 23 of the present embodiment specifically includes a first cylindrical side plate 231 connected to the outer surface of the voice coil 22, an annular connecting plate 233 extending from one end of the first cylindrical side plate 231 close to the vibration system 20 to bend, and a second cylindrical side plate 232 extending from one end of the annular connecting plate 233 far from the first cylindrical side plate 231 to the vibration system 20 and connected to the diaphragm assembly 21. The second cylindrical side plate 232 is located above the first cylindrical side plate 231, the bottom surface of the annular connecting plate 233 is fixedly connected with the top surface of the voice coil 22, the cross section of the framework 23 formed by connecting the first cylindrical side plate 231, the annular connecting plate 233 and the second cylindrical side plate 232 is Z-shaped, and the top end of the voice coil 22 is fixed to an included angle of the Z-shaped framework 23, namely, the included angle formed by the first cylindrical side plate 231 and the annular connecting plate 233.
In this embodiment, a "Z" -shaped bobbin 23 is added between the flexible circuit board 212 and the voice coil 22, the bobbin 23 is generally made of a light material such as plastic, and the voice coil 22 is generally made of a copper wire by winding, so the weight of the bobbin 23 is much lower than that of the voice coil 22 with the same volume, the voice coil 22 is connected with the flexible circuit board 212 through the bobbin 23, under the same condition, the portion of the voice coil 22 extending into the magnetic gap is increased, the magnetic field utilization rate of the voice coil 22 is improved, the BL value (the BL value is the product of the magnetic field strength in the magnetic gap and the effective voice coil 22 wire length) is improved, and the sensitivity is improved; at the same time, the voice coil 22 is fixed to the bobbin 23, reducing the risk of wire breakage of the voice coil 22.
Referring to fig. 7, preferably, the inner diameter of the first cylindrical side plate 231 is larger than the outer diameter of the second cylindrical side plate 232, and the voice coil 22 is mounted on the inner side wall of the first cylindrical side plate 231, alternatively, the inner diameter of the first cylindrical side plate 231 may be smaller than the outer diameter of the second cylindrical side plate 232, and the voice coil 22 may be mounted on the outer side wall of the first cylindrical side plate 231. In this embodiment, an annular insertion groove 221 extending from the top of the voice coil 22 to the middle of the voice coil 22 is concavely disposed on the outer side wall of the voice coil 22, the first cylindrical side plate 231 is inserted into the annular insertion groove 221, the inner surface of the first cylindrical side plate 231 abuts against the side wall of the annular insertion groove 221, and meanwhile, a plurality of through grooves 234 are circumferentially spaced at the joint of the first cylindrical side plate 231 and the annular connecting plate 233 to be used for filling adhesive to fixedly connect the voice coil 22 and the bobbin 23. The end face of the voice coil 22 close to the vibration system 20 is abutted to the annular connecting plate 233, the end face of the first cylindrical side plate 231 close to the vibration system 20 is flush with the end face of the voice coil 22 close to the vibration system 20, and the maximum outer side wall of the voice coil 22 is substantially flush with the outer side wall of the first cylindrical side plate 231, so that the connecting area between the bobbin 23 and the voice coil 22 can be increased, and the overall radial size of the first cylindrical side plate 231 and the voice coil 22 cannot be increased. The height of the first cylindrical side plate 231 is smaller than the height of the annular insertion groove 221. The bobbin 23 and the voice coil 22 may be fixed by an adhesive, such as glue, or may be fixed by a mechanical connection, such as a tight fit connection between the first cylindrical side plate 231 and the voice coil 22. The through grooves 234 in this embodiment may be circular or square, and preferably, the number of the through grooves 234 in this embodiment is 4, and the through grooves are uniformly distributed along the circumferential direction of the framework 23.
As shown in fig. 6, the top of the second cylindrical side plate 232 is fixedly connected to the flexible circuit board 212, and preferably, a notch 235 is formed on the second cylindrical side plate 232, and the voice coil lead 222 of the voice coil 22 can pass through the notch 235 and be electrically connected to the flexible circuit board 212.
Preferably, the voice coil 22 and the bobbin 23 are cylindrical, and it is understood that the voice coil 22 and the bobbin 23 may be other shapes such as square, so the radial direction of the voice coil 22 and the bobbin 23 does not mean that the voice coil 22 and the bobbin 23 are necessarily circular.
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 (10)
1. A loudspeaker comprises a magnetic circuit system, a vibration system and a basin frame provided with an accommodating cavity, wherein the magnetic circuit system and the vibration system are accommodated in the accommodating cavity, the magnetic circuit system comprises a magnetic frame connected with the basin frame and a permanent magnet accommodated in the magnetic frame, the vibration system comprises a vibrating diaphragm assembly connected with the top of the basin frame, a voice coil partially accommodated in a magnetic gap formed by the magnetic frame and the permanent magnet, and a framework of which two ends are respectively connected with the voice coil and the vibrating diaphragm assembly, and the loudspeaker is characterized in that the framework comprises a first cylindrical side plate connected with the voice coil, an annular connecting plate extending from one end, close to the vibration system, of the first cylindrical side plate to bending, and a second cylindrical side plate extending from one end, far away from the annular connecting plate, of the first cylindrical side plate to the direction of the vibration system and connected with the vibrating diaphragm assembly, a plurality of through grooves are formed in the joint of the first cylindrical side plate and the annular connecting plate at intervals and used for filling a binder to fixedly connect the voice coil and the framework.
2. The loudspeaker of claim 1, wherein: the outer side wall of the voice coil is provided with an annular slot, and the first cylindrical side plate is inserted into the annular slot.
3. The loudspeaker of claim 2, wherein: the height of the first cylindrical side plate is smaller than that of the annular slot.
4. The loudspeaker of claim 2, wherein: the outer diameter of the first cylindrical side plate is equal to the maximum outer diameter of the voice coil.
5. The loudspeaker of claim 1, wherein: the inner diameter of the second cylindrical side plate is equal to the inner diameter of the voice coil.
6. The loudspeaker of claim 1, wherein: the vibrating diaphragm subassembly include with the vibrating diaphragm that the basin frame top is connected, the second cylindric curb plate with the vibrating diaphragm is connected.
7. The loudspeaker of claim 1, wherein: the vibrating diaphragm subassembly include with the vibrating diaphragm that the basin frame top is connected with locate the vibrating diaphragm below and with the flexible circuit board that the basin frame is connected, second cylindric curb plate with the flexible circuit board is connected.
8. The loudspeaker of claim 7, wherein: the voice coil is characterized in that a notch is formed in the second cylindrical side plate, the voice coil comprises a voice coil lead, and the voice coil lead passes through the notch and is connected with the flexible circuit board.
9. The loudspeaker of claim 1, wherein: the end face, close to the vibration system, of the first cylindrical side plate is flush with the end face, close to the vibration system, of the voice coil.
10. The loudspeaker of claim 9, wherein: the annular connecting plate is abutted to the end face, close to the vibration system, of the voice coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822278313.XU CN209823994U (en) | 2018-12-30 | 2018-12-30 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822278313.XU CN209823994U (en) | 2018-12-30 | 2018-12-30 | Loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209823994U true CN209823994U (en) | 2019-12-20 |
Family
ID=68870481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822278313.XU Expired - Fee Related CN209823994U (en) | 2018-12-30 | 2018-12-30 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209823994U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021134363A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Sound generator |
| WO2021134280A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Skeleton and loudspeaker |
-
2018
- 2018-12-30 CN CN201822278313.XU patent/CN209823994U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021134363A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Sound generator |
| WO2021134280A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Skeleton and loudspeaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209824000U (en) | Loudspeaker | |
| CN209526874U (en) | Loudspeaker | |
| CN108616797A (en) | Direct-drive type driver and screen sound-producing device | |
| JP3643855B2 (en) | Speaker device | |
| WO2019205657A1 (en) | Sound producing unit, sound producing module, and electronic terminal | |
| CN208638627U (en) | Loudspeaker | |
| KR200455084Y1 (en) | Multifunction micro speaker | |
| CN209823994U (en) | Loudspeaker | |
| EP2472905A1 (en) | Electroacoustic transducer | |
| US8842873B2 (en) | Loudspeaker with an inverted motor | |
| CN110418257B (en) | Sound producing device | |
| US20070242850A1 (en) | Loudspeaker with cone-coupled damper | |
| WO1995028065A1 (en) | A modular tweeter | |
| CN105681977B (en) | Loudspeaker | |
| CN110418254B (en) | Sound production device monomer, sound production module and electronic terminal | |
| US3014996A (en) | Speaker construction | |
| US20050271238A1 (en) | Resin frame, speaker unit and speaker device | |
| US4608463A (en) | Electro-acoustic transducer | |
| CN209526859U (en) | A kind of loudspeaker | |
| CN208174985U (en) | Loudspeaker | |
| CN112312285A (en) | Voice coil, loudspeaker and portable electronic equipment | |
| US20140376759A1 (en) | Loudspeaker having carbon nanotubes | |
| CN115396761A (en) | Sound production device and electronic equipment | |
| CN206932399U (en) | Loudspeaker | |
| CN102572658A (en) | Sounder |
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: 20191220 |