CN207783129U - It is a kind of coaxial backwards to three magnetic Microspeaker of double units - Google Patents
It is a kind of coaxial backwards to three magnetic Microspeaker of double units Download PDFInfo
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- CN207783129U CN207783129U CN201721928454.0U CN201721928454U CN207783129U CN 207783129 U CN207783129 U CN 207783129U CN 201721928454 U CN201721928454 U CN 201721928454U CN 207783129 U CN207783129 U CN 207783129U
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- Prior art keywords
- magnet
- magnetic
- shell
- bass
- high pitch
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Abstract
The utility model discloses a kind of coaxially backwards to three magnetic Microspeaker of double units, including：Shell, T-type iron, the first voice unit (VU) and second sound unit, first voice unit (VU) and second sound unit are coaxially installed backwards around T-type iron, the first magnet, the second magnet and public magnet are also equipped in shell, first magnet, the second magnet and public magnet are coaxially installed on the axle portion of T-type iron, the first voice unit (VU) and the public magnet of second sound units shared.T-type iron is externally provided with the first magnet, the second magnet and public magnet in the utility model, first voice unit (VU) uses the first magnet and public magnet, second sound unit uses the second magnet and public magnet, to reach inside and outside high pitch magnetic structure inside and outside magnetic structure and bass, the first voice unit (VU) and second sound unit is set to work in independent structure respectively, effectively improvement sound field separation degree, more apparent than traditional structure sound field, stereovision is stronger.
Description
Technical field
The utility model is related to speaker technology fields, more particularly, to a kind of coaxially backwards to the miniature loudspeaker of double three magnetic of unit
.
Background technology
Its function of loud speaker is to convert electrical energy into acoustic energy.The structure of loud speaker generally comprises：Main body, protecgulum and after
Lid, main body includes holder and oscillating plate, also motor and magnet, and oscillating plate is made of voice coil and diaphragm.The work of loud speaker is former
Reason is：According to Fleming's action principle：When signal amplifies voice coil of the electric current to loud speaker by enlarger, voice coil is produced by electric current
Magnetisation field, then the fixed magnetic field that is generated with the magnet of loud speaker generate that identical charges repel each other and there is a natural attraction between the sexes and generates and vibrates, and diaphragm shakes
Dynamic air makes a sound.Therefore loud speaker sound quality (curve) it is related with the material that sound film uses, also with sound film and outside air
Between be connected to when air generate vibration it is related.
Traditional coaxial double unit loudspeaker are that the mode for being superimposed high pitch and woofer in the same direction is placed in front, diameter and
Thickness is not allowed to be easy to do small, makes the voice unit of the coaxial larger and traditional double unit loudspeaker of volume backwards to double unit loudspeaker
It does not work in independent structure with bass unit, sound field separation degree, clarity and stereovision are poor.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide one kind, coaxially three magnetic of double units is micro- backwards
Type loudspeaker.
To achieve the goals above, technical solution used by the utility model is：It is a kind of coaxial backwards to three magnetic of double units
Microspeaker, including：Shell, the T-type iron for being placed in housing cavity, the first voice unit (VU) and second sound unit, shell have
Central shaft, T-type iron are arranged along central shaft, and first voice unit (VU) and second sound unit are coaxially installed backwards around T-type iron,
A straight slot is formed at the center of first voice unit (VU) and T-type iron, which constitutes voice guide hole, set corresponding to voice guide hole on shell
It is equipped with broadcast mouth；Be also equipped with the first magnet, the second magnet and public magnet in the shell, the first magnet, the second magnet and
Public magnet is coaxially installed on the axle portion of T-type iron, the first voice unit (VU) and the public magnet of second sound units shared.
In further technical solution, the T-type iron has an axle portion and roof of T-type installation, one in axle portion and roof
Body opens up the straight slot；Second magnet is sheathed on outside axle portion, and public magnet is sheathed on outside the second magnet, and the first magnet is sheathed on
Installation gap is formed with outside public magnet, and between the second magnet and public magnet, between public magnet and the first magnet.
In further technical solution, first voice unit (VU) includes：Bass vibration membrane, bass coil and bass are led
Magnetic sheet, bass magnetic conductive board are provided with centre bore, and T-type iron is installed in centre bore, and roof and the bass magnetic conductive board of T-type iron maintain an equal level,
And T-type iron and bass magnetic conduction plate form gap, bass coil, which inserts to be inserted into out of gap, installs and stretches to public magnet and the
In the installation gap formed between one magnet.
In further technical solution, the bass vibration membrane has：Diaphragm, the leading note circle being set at center
And it is set to the fitting side of diaphragm edge；Bass magnetic conductive board edge is close on the fitting side of bass vibration membrane, and leading note circle corresponds to T-type
The voice guide hole of iron.
In further technical solution, middle magnetic conductance magnetic sheet is installed, middle magnetic conductance magnetic sheet is relative to bass in the shell
Magnetic conductive board is installed on the other end of T-type iron, and middle magnetic conductance magnetic sheet is supported on the first magnet, the second magnet and public magnet；Middle magnetic
The central shaft that magnetic conductive board corresponds to shell is provided with centre bore.
In further technical solution, the second sound unit includes：High pitch magnetic conductive board, high pitch voice coil and high pitch shake
Dynamic film, high pitch magnetic conductive board are installed on the end of T-type iron axle portion, are co-axially mounted with middle magnetic conductance magnetic sheet；High pitch voice coil is installed on high pitch
Between the magnetic conductive board and middle magnetic conductance magnetic sheet and installation gap that is inserted between the second magnet and public magnet.
In further technical solution, the high pitch vibration membrane is installed on high pitch voice coil, the edge of high pitch vibration membrane
It is supported in middle magnetic conductance magnetic sheet.
In further technical solution, a high pitch shell, the first voice unit (VU) and second are additionally provided on the shell
Voice unit (VU) is set between shell and high pitch shell.
In further technical solution, PCB terminal plates are additionally provided on the high pitch shell.
With the above structure, the utility model is compared to the prior art advantageously：
1, the first voice unit (VU) and second sound unit, can be effective using being coaxially arranged backwards to mode in the utility model
Ground overcomes the problems, such as that horn diameter and thickness are big, and loudspeaker is made to develop to slimming；
2, T-type iron is externally provided with the first magnet, the second magnet and public magnet in the utility model, and the first voice unit (VU) uses
First magnet and public magnet, second sound unit use the second magnet and public magnet, with reach inside and outside high pitch magnetic structure and
Magnetic structure inside and outside bass makes the first voice unit (VU) and second sound unit work in independent structure respectively, effectively improvement sound
Field separating degree, more apparent than traditional structure sound field, stereovision is stronger；
3, its using effect bass effect of the utility model is more prominent, and high pitch sound field is broader, the equal volume the case where
Under can more improve the sound press of loudspeaker.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the exploded view of the utility model.
Specific implementation mode
It is only the preferred embodiment of the utility model below, does not therefore limit the scope of protection of the utility model.
It is a kind of to see shown in Fig. 1-2 coaxially backwards to three magnetic Microspeaker of double units, including：Shell 1 and high pitch shell 2, shell
First voice unit (VU) 3, second sound unit 4 and T-type iron 5, shell 1, high pitch shell 2, are installed between 1 and high pitch shell 2
One voice unit (VU) 3, second sound unit 4 and T-type iron 5 coaxially assemble, and the first voice unit (VU) 3 and second sound unit 4 are around T-type
Iron 5 is additionally provided with PCB terminal plates 21, facilitates the wiring of loudspeaker back to installation to save space on high pitch shell 2.
T-type iron 5 has axle portion 51 and is set to the roof 52 on 51 top of axle portion, is integrally formed on axle portion 51 and roof 52
There is straight slot, by constituting voice guide hole 50, shell 1 is installed on one end of its roof 52 of T-type iron 5, corresponds to voice guide hole 50 on shell 1
Equipped with broadcast mouth.It is provided centrally with the first magnet 61, the second magnet 62 and public magnet 63 in the axle portion 51 of T-type iron 5, second
Magnet 62 is sheathed on outside axle portion 51, and public magnet 63 is sheathed on outside the second magnet 62, and the first magnet 61 is sheathed on public magnet 63
Outside, and between the second magnet 62 and public magnet 63, between public magnet 63 and the first magnet 61 it is formed with installation gap.
One of them is voice unit for first voice unit (VU) 3 and second sound unit 4, another is then bass list
Member, in the present embodiment, the first voice unit (VU) 3 are bass unit, and second sound unit 4 is voice unit.
First voice unit (VU) 3 includes：Bass vibration membrane 31, bass coil 32 and bass magnetic conductive board 33, bass is led
Magnetic sheet 33 is provided with centre bore, and T-type iron 5 is installed in centre bore, and roof and the bass magnetic conductive board 33 of T-type iron 5 maintain an equal level, and T-type
31 formation gaps of iron 5 and bass magnetic conductive board, bass coil 32 insert to be inserted into out of gap and install and stretch to 63 He of public magnet
In the installation gap formed between first magnet 61.Bass vibration membrane 31 has：Diaphragm 311, the leading note being set at center
Circle 312 and the fitting side 313 for being set to 311 edge of diaphragm；The fitting of bass vibration membrane 31 is when being close to bass magnetic conductive board 33
Edge, leading note circle 32 correspond to the voice guide hole 50 of T-type iron 5.
Middle magnetic conductance magnetic sheet 7 is installed, middle magnetic conductance magnetic sheet 7 is installed on T-type relative to bass magnetic conductive board 33 in the shell 1
The other end of iron 5, middle magnetic conductance magnetic sheet 7 are supported on the first magnet 61, the second magnet 62 and public magnet 63；Middle magnetic conductance magnetic sheet 7
The central shaft of shell 1 is provided with centre bore.
The second sound unit 4 includes：High pitch magnetic conductive board 41, high pitch voice coil 42 and high pitch vibration membrane 43, high pitch is led
Magnetic sheet 41 is installed on the end of 5 axle portion of T-type iron, is co-axially mounted with middle magnetic conductance magnetic sheet 7；High pitch voice coil 42 is installed on high pitch magnetic conductive board
Between the 41 and middle magnetic conductance magnetic sheet 7 and installation gap that is inserted between the second magnet 62 and public magnet 63.High pitch vibration membrane 43 is pacified
Loaded on high pitch voice coil 42, the edge supports of high pitch vibration membrane 42 are in middle magnetic conductance magnetic sheet 7.
The above content is only the preferred embodiment of the utility model, for those of ordinary skill in the art, according to this reality
With novel thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as
Limitations of the present invention.
Claims (9)
1. it is a kind of coaxially backwards to three magnetic Microspeaker of double units, including：Shell, the T-type iron for being placed in housing cavity, the first sound
There is central shaft, T-type iron to be arranged along central shaft for unit and second sound unit, shell, it is characterised in that：First sound
Unit and second sound unit are coaxially installed backwards around T-type iron, and it is logical that one is formed at the center of the first voice unit (VU) and T-type iron
Slot, the straight slot constitute voice guide hole, and voice guide hole is provided with broadcast mouth on shell；The first magnetic is also equipped in the shell
Iron, the second magnet and public magnet, the first magnet, the second magnet and public magnet are coaxially installed on the axle portion of T-type iron, the first sound
Sound unit and the public magnet of second sound units shared.
2. according to claim 1 a kind of coaxially backwards to three magnetic Microspeaker of double units, it is characterised in that：The T-type iron
Axle portion and roof with T-type installation, the straight slot is integrally opened up in axle portion and roof；Second magnet is sheathed on axle portion
Outside, public magnet is sheathed on outside the second magnet, and the first magnet is sheathed on outside public magnet, and the second magnet and public magnet it
Between, installation gap is formed between public magnet and the first magnet.
3. according to claim 1 a kind of coaxially backwards to three magnetic Microspeaker of double units, it is characterised in that：Described first
Voice unit (VU) includes：Bass vibration membrane, bass coil and bass magnetic conductive board, bass magnetic conductive board are provided with centre bore, the installation of T-type iron
In in centre bore, roof and the bass magnetic conductive board of T-type iron maintain an equal level, and T-type iron and bass magnetic conduction plate form gap, bass coil
It inserts to be inserted into out of gap and installs and stretch in the installation gap formed between public magnet and the first magnet.
4. according to claim 3 a kind of coaxially backwards to three magnetic Microspeaker of double units, it is characterised in that：The bass
Vibration membrane has：Diaphragm, the leading note circle being set at center and the fitting side for being set to diaphragm edge；Bass vibration membrane
Fitting side be close to bass magnetic conductive board edge, leading note circle corresponds to the voice guide hole of T-type iron.
5. according to claim 1 a kind of coaxially backwards to three magnetic Microspeaker of double units, it is characterised in that：The shell
Middle magnetic conductance magnetic sheet is inside installed, middle magnetic conductance magnetic sheet is installed on the other end of T sections, middle magnetic conductance magnetic sheet relative to bass magnetic conductive board
It is supported on the first magnet, the second magnet and public magnet；The central shaft that middle magnetic conductance magnetic sheet corresponds to shell is provided with centre bore.
6. according to claim 1 a kind of coaxially backwards to three magnetic Microspeaker of double units, it is characterised in that：Described second
Voice unit (VU) includes：High pitch magnetic conductive board, high pitch voice coil and high pitch vibration membrane, high pitch magnetic conductive board are installed on the end of T-type iron axle portion,
It is co-axially mounted with middle magnetic conductance magnetic sheet；High pitch voice coil is installed between high pitch magnetic conductive board and middle magnetic conductance magnetic sheet and is inserted into the second magnet
Installation gap between public magnet.
7. according to claim 6 a kind of coaxially backwards to three magnetic Microspeaker of double units, it is characterised in that：The high pitch
Vibration membrane is installed on high pitch voice coil, and the edge supports of high pitch vibration membrane are in middle magnetic conductance magnetic sheet.
8. according to claim 1 a kind of coaxially backwards to three magnetic Microspeaker of double units, it is characterised in that：The shell
On be additionally provided with a high pitch shell, the first voice unit (VU) and second sound unit are set between shell and high pitch shell.
9. according to claim 8 a kind of coaxially backwards to three magnetic Microspeaker of double units, it is characterised in that：The high pitch
PCB terminal plates are additionally provided on shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721928454.0U CN207783129U (en) | 2017-12-30 | 2017-12-30 | It is a kind of coaxial backwards to three magnetic Microspeaker of double units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721928454.0U CN207783129U (en) | 2017-12-30 | 2017-12-30 | It is a kind of coaxial backwards to three magnetic Microspeaker of double units |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207783129U true CN207783129U (en) | 2018-08-28 |
Family
ID=63222581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721928454.0U Expired - Fee Related CN207783129U (en) | 2017-12-30 | 2017-12-30 | It is a kind of coaxial backwards to three magnetic Microspeaker of double units |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207783129U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023217150A1 (en) * | 2022-05-12 | 2023-11-16 | 高创(苏州)电子有限公司 | Loudspeaker unit and loudspeaker module |
-
2017
- 2017-12-30 CN CN201721928454.0U patent/CN207783129U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023217150A1 (en) * | 2022-05-12 | 2023-11-16 | 高创(苏州)电子有限公司 | Loudspeaker unit and loudspeaker module |
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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: 20180828 Termination date: 20201230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |