CN206894891U - Receiver - Google Patents
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- CN206894891U CN206894891U CN201720348077.7U CN201720348077U CN206894891U CN 206894891 U CN206894891 U CN 206894891U CN 201720348077 U CN201720348077 U CN 201720348077U CN 206894891 U CN206894891 U CN 206894891U
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- Prior art keywords
- voice coil
- rack
- receiver
- positioning
- circuit board
- 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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- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 45
- 230000001808 coupling Effects 0.000 claims abstract description 21
- 238000010168 coupling process Methods 0.000 claims abstract description 21
- 238000005859 coupling reaction Methods 0.000 claims abstract description 21
- 210000003660 Reticulum Anatomy 0.000 claims abstract description 20
- 229910052742 iron Inorganic materials 0.000 claims abstract description 20
- 230000002093 peripheral Effects 0.000 claims abstract description 7
- 230000037237 body shape Effects 0.000 claims abstract description 4
- 239000004744 fabric Substances 0.000 claims description 13
- 238000009738 saturating Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 10
- 239000012528 membrane Substances 0.000 description 5
- 230000000007 visual effect Effects 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged Effects 0.000 description 1
- 230000026683 transduction Effects 0.000 description 1
- 238000010361 transduction Methods 0.000 description 1
Abstract
The utility model discloses a kind of receiver, including protecgulum, bonnet, sound film and to drive the drive mechanism of sound film vibration sounding, protecgulum and bonnet are involutory, and form an accommodating cavity；Sound film is arranged in accommodating cavity, and accommodating cavity is separated into separate preceding sound chamber and rear sound chamber；The drive mechanism is arranged in rear sound chamber, and the drive mechanism includes support, U iron, magnet, washer, voice coil loudspeaker voice coil, circuit board and coupling loop, there is support a positioning to be arranged in rear sound chamber and in the rack body of ring body shape, the inner peripheral of rack body be connected with the open side of U iron and together be encircled into a host cavity, magnet, washer and voice coil loudspeaker voice coil are all contained in host cavity, and voice coil loudspeaker voice coil is also connected with sound film simultaneously；Circuit board positioning is arranged on rack body, and coupling loop positioning sleeve is outside rack body, and coupling loop and voice coil loudspeaker voice coil are also electrically connected at circuit board；The receiver has good acoustical quality, and whole height is small, suitable for miniature, low profile electronic product.
Description
Technical field
Electro-acoustic element technical field is the utility model is related to, a kind of receiver is specifically provided.
Background technology
Receiver is also receiver, is a kind of electricity that audio electrical signal is converted into voice signal under voiceless sound leak condition
Acoustic device, it is widely used in the communication terminal devices such as mobile phone, landline telephone and audiphone, realizes audio playback.
Usually said receiver refers to moving coil receiver, and its operation principle is similar with traditional coil-moving speaker：
The audio electrical signal feed-in voice coil loudspeaker voice coil of change, voice coil loudspeaker voice coil shake up and down because of the driving of the electromagnetic force changed caused by the electric current of change
It is dynamic, and air before and after vibrating membrane driving is driven, produce sound wave.Although there is the receiver type of many other transduction principles,
So far, moving coil receiver is because of its higher cost performance, ripe production technology, protean appearance and size and extraction
Mode, it has also become the main flow electro-acoustic element of mobile phone and landline telephone middle pitch frequency terminal.
In the prior art, moving coil receiver mainly includes back box, upper lid, vibrating membrane and is connected with vibrating membrane
Magnetic driving mechanism, magnetic driving mechanism is arranged in back box, and vibrating membrane is arranged in back box and is located at magnetic driving mechanism
Top, need to be mounted so that vibrating membrane, can make it that the height of back box is of a relatively high, so that the overall volume of receiver increases
Add, and processing technology is complicated.
In view of this, it is special to propose the utility model.
The content of the invention
In order to overcome drawbacks described above, the utility model provides a kind of receiver, and its is simple in construction, whole height is thin, and
Acoustical quality is good.
The utility model in order to solve its technical problem used by technical scheme be：A kind of receiver, including protecgulum, after
Lid, sound film and to drive the drive mechanism of the sound film vibration sounding, the protecgulum and bonnet are involutory, and it is accommodating to form one
Chamber；The sound film is arranged in the accommodating cavity, and the accommodating cavity is separated into separate preceding sound chamber and rear sound chamber；
The drive mechanism be arranged at it is described after in sound chamber, and the drive mechanism include support, U iron, magnet, washer, voice coil loudspeaker voice coil,
Circuit board and coupling loop, wherein, the support is arranged in the rear sound chamber with a positioning and is in the rack body of ring body shape,
The inner peripheral of the rack body be connected with the open side of the U iron and together be encircled into a host cavity, the magnet, China
Department and voice coil loudspeaker voice coil are all contained in the host cavity, and the voice coil loudspeaker voice coil is also connected with the sound film simultaneously；The circuit board positioning
It is arranged on the rack body, the coupling loop positioning sleeve is outside the rack body, and the coupling loop and the sound
Circle is also electrically connected at the circuit board.
As further improvement of the utility model, on the protecgulum through offer it is multiple go out acoustic aperture.
As further improvement of the utility model, cover through multiple first air-vents are offered, be additionally provided with after described
First screen cloth, the first screen cloth positioning is arranged on the outer surface of the bonnet, and it is saturating to cover the plurality of first
Stomata.
As further improvement of the utility model, the sound film is built in the protecgulum；
The support also has one to extend the external annulus to be formed towards the protecgulum from the outboard peripheries of the rack body,
And one is also formed with the inner surface of the external annulus to accept the undertaking step of the sound film.
As further improvement of the utility model, the support also has an inner peripheral court from the rack body
Extend the internal ring wall to be formed to the bonnet；The U iron has bottom plate and from the periphery of the bottom plate towards the support sheet
Body extends all side walls to be formed, and all side walls are backwards to the open side that the side of the bottom plate is the U iron, and the week side of boss
Wall is also positioned backwards to the side of the bottom plate and is inserted in the internal ring wall of the support, to form the host cavity.
As further improvement of the utility model, the magnet positioning is arranged on the bottom plate of the U iron, the washer
Positioning is arranged at the magnet on the side of the bottom plate, and the voice coil loudspeaker voice coil is sheathed on outside the washer, and the sound simultaneously
Circle is also stretched out in outside the host cavity backwards to the side of the bottom plate, and is located by connecting with the sound film.
As further improvement of the utility model, also extended through on the rack body and offer multiple second air-vents,
The second screen cloth is additionally provided with, the second screen cloth positioning is arranged on the rack body, and be able to cover the plurality of second
Air-vent.
As further improvement of the utility model, circuit board positioning is arranged at the rack body towards after described
On the side of lid, the coupling loop is in series with the voice coil loudspeaker voice coil be connected after be electrically connected at the circuit board.
As further improvement of the utility model, circuit board positioning is arranged at the rack body towards after described
On the side of lid, the coupling loop is in parallel with the voice coil loudspeaker voice coil be connected after be electrically connected at the circuit board.
The beneficial effects of the utility model are：Compared to prior art, the receiver has advantages below：1. by by sound
Film is built in protecgulum, and magnet, washer and voice coil loudspeaker voice coil are contained in a host cavity being encircled into by rack body and U iron, can
The whole height of receiver is effectively reduced, obtains slim and/or ultra-thin telephone receiver, preferably suitable for miniature, low profile electronic
Product.2. preceding sound chamber and rear sound chamber are separate in the receiver, and are also configured with voice coil loudspeaker voice coil connected in series or in parallel with coupling
Circle, can effectively abate the noise, improve antijamming capability so that receiver has good acoustical quality.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram at the visual angle of receiver one described in the utility model；
Fig. 2 is the dimensional structure diagram at another visual angle of receiver described in the utility model；
Fig. 3 is the decomposition texture schematic diagram at the visual angle of receiver one described in the utility model；
Fig. 4 is the decomposition texture schematic diagram at another visual angle of receiver described in the utility model；
Fig. 5 is the cross-section structure enlarged diagram of receiver described in the utility model；
Fig. 6 is the mplifying structure schematic diagram of support shown in Fig. 3；
Fig. 7 is the mplifying structure schematic diagram of support shown in Fig. 4.
With reference to accompanying drawing, make the following instructions：
1 --- protecgulum 2 --- bonnet
3 --- sound film 4 --- supports
5 --- U iron 6 --- magnet
7 --- washer 8 --- voice coil loudspeaker voice coils
9 --- circuit board 10 --- coupling loops
11 --- going out acoustic aperture 12 --- first air-vents
13 --- the first screen cloth 14 --- second screen cloths
40 --- rack body 41 --- external annulus
42 --- accepting step 43 --- internal ring walls
44 --- the second air-vent
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.
Embodiment 1：
Refer to shown in accompanying drawing 1,2,3,4 and 5, the dimensional structure diagram of receiver respectively described in the utility model,
Decomposition texture schematic diagram and cross-section structure enlarged diagram.The receiver includes protecgulum 1, bonnet 2, sound film 3 and to drive
The drive mechanism of the vibration sounding of sound film 3, the protecgulum 1 and bonnet 2 are involutory, and form an accommodating cavity；The sound film 3 is set
It is placed in the accommodating cavity, and the accommodating cavity is separated into separate preceding sound chamber and rear sound chamber；
The drive mechanism be arranged at it is described after in sound chamber, and the drive mechanism include support 4, U iron 5, magnet 6, washer 7,
Voice coil loudspeaker voice coil 8, circuit board 9 and coupling loop 10, wherein, the support 4 is arranged in the rear sound chamber with a positioning and is in ring body shape
Rack body 40, the inner peripheral of the rack body 40 be connected with the open side of the U iron 5 and together be encircled into a receipts
Cavity volume, the magnet 6, washer 7 and voice coil loudspeaker voice coil 8 are all contained in the host cavity, and the voice coil loudspeaker voice coil 8 also simultaneously with the sound film 3
It is connected；The positioning of circuit board 9 is arranged on the rack body 40, and the positioning sleeve of coupling loop 10 is located at the support sheet
Outside body 40, and the coupling loop 10 and the voice coil loudspeaker voice coil 8 are also electrically connected at the circuit board 9.
In the present embodiment, it is preferred that on the protecgulum 1 through offer it is multiple go out acoustic aperture 11.
Preferably, on the bonnet 2 through offering multiple first air-vents 12, it is additionally provided with the first screen cloth 13, described the
The positioning of one screen cloth 13 is arranged on the outer surface of the bonnet 2, and be able to cover the plurality of first air-vent 12.
Preferably, the sound film 3 is built in the protecgulum 1；The support 4 also has one from the rack body 40
The external annulus 41 that outboard peripheries are formed towards the protecgulum 1 extension, and a use is also formed with the inner surface of the external annulus 41
To accept the undertaking step 42 of the sound film 3.
It is further preferred that the support 4 also has one from the inner peripheral of the rack body 40 towards the bonnet 2
Extend the internal ring wall 43 formed；The U iron 5 has bottom plate and prolonged from the periphery of the bottom plate towards the rack body 40
Stretch all side walls to be formed, all side walls are backwards to the open side that the side of the bottom plate is the U iron 5, and all side walls
Also position and be inserted in the internal ring wall 43 of the support 4 backwards to the side of the bottom plate, to form the host cavity.In addition, institute
State all side walls the concrete structure being inserted in the internal ring wall 43 of the support 4 is also positioned backwards to the side of the bottom plate and be：It is described
The medial surface of internal ring wall 43 is concavely provided with a circle neck, and a circle fin, the fin are convexly equipped with the outer surface of all side walls
It can be equipped in the neck.
It is further preferred that the positioning of magnet 6 is arranged on the bottom plate of the U iron 5, the positioning of washer 7 is arranged at
On the side of the bottom plate, the voice coil loudspeaker voice coil 8 is sheathed on outside the washer 7 magnet 6, and the voice coil loudspeaker voice coil 8 is backwards simultaneously
The side of the bottom plate is also stretched out in outside the host cavity, and is located by connecting with the sound film 3.
In the present embodiment, it is preferred that also extended through on the rack body 40 and offer multiple second air-vents 44, also set
There is the second screen cloth 14, the positioning of the second screen cloth 14 is arranged on the rack body 40, and be able to cover the plurality of the
Two air-vents 44.
Preferably, the circuit board 9 positioning is arranged at the rack body 40 towards on the side of the bonnet 2, described
Coupling loop 10 is in series with the voice coil loudspeaker voice coil 8 be connected after be electrically connected at the circuit board 9.
Preferably, the circuit board 9 positioning is arranged at the rack body 40 towards on the side of the bonnet 2, described
Coupling loop 10 is in parallel with the voice coil loudspeaker voice coil 8 be connected after be electrically connected at the circuit board 9.
In summary, there is advantages below compared to prior art, the receiver：1. by the way that sound film is built in into protecgulum
In, and magnet, washer and voice coil loudspeaker voice coil are contained in a host cavity being encircled into by rack body and U iron, it can effectively reduce called
The whole height of device, slim and/or ultra-thin telephone receiver is obtained, preferably suitable for miniature, low profile electronic product.2. this is called
Preceding sound chamber and rear sound chamber are separate in device, and are also configured with voice coil loudspeaker voice coil and coupling loop connected in series or in parallel, can effectively disappear
Except noise, improve antijamming capability so that receiver has good acoustical quality.
One embodiment of the present utility model is described in detail above, but the content is only of the present utility model
Preferred embodiment, it is impossible to be considered as being used to limit practical range of the present utility model.It is all to be made according to present utility model application scope
Equivalent change with improve etc., all should still belong within scope of patent protection of the present utility model.
Claims (9)
1. a kind of receiver, including protecgulum (1), bonnet (2), sound film (3) and to drive the drive of sound film (3) vibration sounding
Motivation structure, it is characterised in that：The protecgulum (1) and bonnet (2) are involutory, and form an accommodating cavity；The sound film (3) is arranged at
In the accommodating cavity, and the accommodating cavity is separated into separate preceding sound chamber and rear sound chamber；
The drive mechanism is arranged in the rear sound chamber, and the drive mechanism includes support (4), U iron (5), magnet (6), washer
(7), voice coil loudspeaker voice coil (8), circuit board (9) and coupling loop (10), wherein, there is the support (4) positioning to be arranged at the rear sound chamber
In and in the rack body (40) of ring body shape, the inner peripheral of the rack body (40) is connected with the open side of the U iron (5)
Connect and be encircled into a host cavity together, the magnet (6), washer (7) and voice coil loudspeaker voice coil (8) are all contained in the host cavity, and institute
State voice coil loudspeaker voice coil (8) also while be connected with the sound film (3)；Circuit board (9) positioning is arranged on the rack body (40),
Coupling loop (10) positioning sleeve is located at the rack body (40) outside, and the coupling loop (10) and the voice coil loudspeaker voice coil (8) are also equal
It is electrically connected at the circuit board (9).
2. receiver according to claim 1, it is characterised in that：On the protecgulum (1) through offer it is multiple go out acoustic aperture
(11)。
3. receiver according to claim 1, it is characterised in that：It is saturating through offering multiple first on the bonnet (2)
Stomata (12), the first screen cloth (13) being additionally provided with, the first screen cloth (13) positioning is arranged on the outer surface of the bonnet (2),
And the plurality of first air-vent (12) be able to be covered.
4. receiver according to claim 1, it is characterised in that：The sound film (3) is built in the protecgulum (1)；
The support (4) also has one to extend what is formed from the outboard peripheries of the rack body (40) towards the protecgulum (1)
External annulus (41), and one is also formed with the inner surface of the external annulus (41) to accept the undertaking step of the sound film (3)
(42)。
5. receiver according to claim 4, it is characterised in that：The support (4) also has one from the rack body
(40) internal ring wall (43) that inner peripheral is formed towards the bonnet (2) extension；The U iron (5) has bottom plate and from institute
All side walls that the periphery of bottom plate is formed towards the rack body (40) extension are stated, all side walls are backwards to the side of the bottom plate
The open side of as described U iron (5), and all side walls also position backwards to the side of the bottom plate and are inserted in the support (4)
Internal ring wall (43) in, to form the host cavity.
6. receiver according to claim 5, it is characterised in that：Magnet (6) positioning is arranged at the U iron (5)
On bottom plate, washer (7) positioning is arranged at the magnet (6) on the side of the bottom plate, and the voice coil loudspeaker voice coil (8) is sheathed on
Outside, and the voice coil loudspeaker voice coil (8) also stretches out in outside the host cavity washer (7) backwards to the side of the bottom plate simultaneously, and with institute
Sound film (3) is stated to be located by connecting.
7. receiver according to claim 1, it is characterised in that：Also extended through on the rack body (40) offer it is multiple
Second air-vent (44), is additionally provided with the second screen cloth (14), and the second screen cloth (14) positioning is arranged at the rack body (40)
On, and the plurality of second air-vent (44) be able to be covered.
8. receiver according to claim 1, it is characterised in that：Circuit board (9) positioning is arranged at the support sheet
Body (40) towards on the side of the bonnet (2), the coupling loop (10) is in series with the voice coil loudspeaker voice coil (8) be connected after be electrically connected with
In the circuit board (9).
9. receiver according to claim 1, it is characterised in that：Circuit board (9) positioning is arranged at the support sheet
Body (40) towards on the side of the bonnet (2), the coupling loop (10) is in parallel with the voice coil loudspeaker voice coil (8) be connected after be electrically connected with
In the circuit board (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720348077.7U CN206894891U (en) | 2017-04-05 | 2017-04-05 | Receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720348077.7U CN206894891U (en) | 2017-04-05 | 2017-04-05 | Receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206894891U true CN206894891U (en) | 2018-01-16 |
Family
ID=61323552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720348077.7U Expired - Fee Related CN206894891U (en) | 2017-04-05 | 2017-04-05 | Receiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206894891U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10880635B2 (en) | 2018-12-29 | 2020-12-29 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Electronic device |
-
2017
- 2017-04-05 CN CN201720348077.7U patent/CN206894891U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10880635B2 (en) | 2018-12-29 | 2020-12-29 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Electronic device |
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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 |
Granted publication date: 20180116 Termination date: 20190405 |
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| CF01 | Termination of patent right due to non-payment of annual fee |