CN107659874A - A kind of electroacoustic transducer with magnetic circuit system - Google Patents
A kind of electroacoustic transducer with magnetic circuit system Download PDFInfo
- Publication number
- CN107659874A CN107659874A CN201710660066.7A CN201710660066A CN107659874A CN 107659874 A CN107659874 A CN 107659874A CN 201710660066 A CN201710660066 A CN 201710660066A CN 107659874 A CN107659874 A CN 107659874A
- Authority
- CN
- China
- Prior art keywords
- magnetic circuit
- circuit system
- lower house
- upper shell
- electroacoustic transducer
- 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.)
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- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
-
- 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
- H04R9/025—Magnetic circuit
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The present invention relates to a kind of electroacoustic transducer with magnetic circuit system, including housing, protecgulum, vibrational system, magnetic circuit system, described housing is vertically connected with by upper shell and lower house and formed, the bottom of described upper shell offers the guide groove to match with lower house upper end, the upper end of described lower house is movably connected in guide groove, retaining mechanism is additionally provided between described lower house and upper shell, described protecgulum is detachably connected on upper shell, described vibrational system is arranged in upper shell, described vibrational system is made up of vibrating diaphragm and the voice coil loudspeaker voice coil being connected on the downside of vibrating diaphragm, described magnetic circuit system is arranged in lower house, the outer sheath of described magnetic circuit system is provided with mounting bracket, described magnetic circuit system is connected by mounting bracket with lower house, positioning clamping body is provided between described mounting bracket and lower house.The design can be finely adjusted according to actual conditions to the installing space of enclosure interior, serve the effect of increase practical performance.
Description
Technical field
Patent of the present invention is related to electroacoustic field, particularly a kind of electroacoustic transducer with magnetic circuit system.
Background technology
Electroacoustic transducer includes vibrational system, magnetic circuit system in the prior art, and houses fixed vibrational system and magnetic circuit
The housing of system.The acoustic aperture of usual back cavity is arranged in the side wall of housing, and this will certainly increase the thickness of side wall of outer shell, in electroacoustic
In the case of transducer given volume, the volume of magnetic circuit system can be reduced, so that the acoustics of electroacoustic transducer can be restricted.
Therefore, it is necessary to the electroacoustic transducer of this traditional structure is improved, to improve the acoustical behavior of electroacoustic transducer.
The content of the invention
It is an object of the invention to provide a kind of electroacoustic transducer, in the case of electroacoustic transducer given volume, can increase
The volume of magnetic circuit system, the magnetic property of electroacoustic transducer is improved, increase the power of electroacoustic transducer.
To solve above-mentioned technical problem, the invention provides a kind of electroacoustic transducer with magnetic circuit system, including
Housing, described housing are vertically connected with by upper shell and lower house and formed, and the bottom of described upper shell is opened
Provided with the guide groove to match with lower house upper end, the upper end of described lower house is movably connected in guide groove, under described
Retaining mechanism is additionally provided between housing and upper shell,
Protecgulum, described protecgulum are detachably connected on upper shell,
Vibrational system, described vibrational system are arranged in upper shell, and described vibrational system is by vibrating diaphragm and is connected to
Voice coil loudspeaker voice coil on the downside of vibrating diaphragm is formed,
Magnetic circuit system, described magnetic circuit system are arranged in lower house, and the outer sheath of described magnetic circuit system is provided with installation
Frame, described magnetic circuit system are connected by mounting bracket with lower house, and locator card is provided between described mounting bracket and lower house
Tight mechanism.
Further：Described retaining mechanism includes clamping screw and the screwed hole being opened on upper shell lower end outside wall,
Described clamping screw is connected through screwed hole with lower house.
Further：Described magnetic circuit system is two magnetic route structure, includes the internal magnetic circuit at center, peripheral external magnetic circuit, with
And the lower magnetic conductive board positioned at downside.
Further：Described magnetic circuit system is rectangular configuration, and forms the magnetic gap for being used to house voice coil loudspeaker voice coil of rectangle,
Four acoustic aperture for going material to be formed are provided with lower magnetic conductive board positioned at the position in four corners of rectangle magnetic gap, acoustic aperture is set along magnetic gap
Put.
Further：Described positioning clamping body include be opened on lower house lower end inside wall groove, be opened in
Hemispherical neck, spherical dop and spring on mounting bracket lateral wall, described spherical dop are connected in groove by spring,
Described spherical dop is caught in hemispherical neck under the action of the spring.
After said structure, compared with traditional structure, the present invention corresponds to rectangle magnetic gap corner on lower magnetic conductive board
Position is provided with the acoustic aperture for going material to be formed, so as to so that acoustic aperture is not take up the thickness of side wall, increase the volume of magnetic circuit system, carry
The high magnetic property of electroacoustic transducer, increase the power of electroacoustic transducer；And the design can be according to actual conditions to shell
The installing space in internal portion is finely adjusted, and serves the effect of increase practical performance.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of housing.
Fig. 3 is the structural representation of positioning clamping body.
Embodiment
A kind of electroacoustic transducer with magnetic circuit system as depicted in figs. 1 and 2, including housing 12, protecgulum, vibration system
System, magnetic circuit system 30, described housing 12 are vertically connected with and formed by upper shell 121 and lower house 122, described upper shell
121 bottom offers the guide groove to match with the upper end of lower house 122, and the upper end of described lower house 122 is movably connected in
In guide groove, retaining mechanism is additionally provided between described lower house 122 and upper shell 121, described protecgulum removably connects
It is connected on upper shell 121, described vibrational system is arranged in upper shell 121, and described vibrational system is by vibrating diaphragm and connection
Voice coil loudspeaker voice coil on the downside of vibrating diaphragm is formed, and described magnetic circuit system is arranged in lower house 122, the outside of described magnetic circuit system 30
Mounting bracket 40 is arranged with, described magnetic circuit system is connected by mounting bracket 40 with lower house 122, described mounting bracket 40 and lower casing
Positioning clamping body is provided between body 122.The design can carry out micro- according to actual conditions to the installing space of enclosure interior
Adjust, serve the effect of increase practical performance.
Retaining mechanism as shown in Figure 2 includes clamping screw 123 and the screw thread being opened on the lower end outside wall of upper shell 121
Hole, described clamping screw 123 are connected through screwed hole with lower house 122, can be to enclosure interior by using said structure
Installing space be finely adjusted.
Magnetic circuit system as shown in Figure 1 is two magnetic route structure, includes the internal magnetic circuit 31 at center, peripheral external magnetic circuit 32, with
And the lower magnetic conductive board 33 positioned at downside.Described magnetic circuit system is rectangular configuration, and formed rectangle be used for house voice coil loudspeaker voice coil
Magnetic gap, four acoustic aperture 331 for going material to be formed, acoustic aperture are provided with lower magnetic conductive board 33 positioned at the position in four corners of rectangle magnetic gap
331 are set along magnetic gap.The position that the present invention corresponds to rectangle magnetic gap corner on lower magnetic conductive board is provided with the acoustic aperture for going material to be formed,
So as to so that acoustic aperture is not take up the thickness of side wall, increase the volume of magnetic circuit system, improve the magnetic property of electroacoustic transducer,
Increase the power of electroacoustic transducer.
Positioning clamping body as shown in Figure 3 include be opened on the lower end inside wall of lower house 122 groove 51, be opened in
Hemispherical neck 52, spherical dop 53 and spring 54 on the lateral wall of mounting bracket 40, described spherical dop 53 pass through spring 54
It is connected in groove 51, described spherical dop 53 is caught in the presence of spring 54 in hemispherical neck 52.The design has
The advantages of simple in construction, easily fabricated and practicality and high efficiency.
Claims (5)
- A kind of 1. electroacoustic transducer with magnetic circuit system, it is characterised in that：IncludingHousing (12), described housing (12) is vertically connected with and formed by upper shell (121) and lower house (122), described The bottom of upper shell (121) offers the guide groove to match with lower house (122) upper end, described lower house (122) it is upper End is movably connected in guide groove, described lower house 122) retaining mechanism is additionally provided between upper shell (121),Protecgulum, described protecgulum are detachably connected on upper shell (121),Vibrational system, described vibrational system are arranged in upper shell (121), and described vibrational system is by vibrating diaphragm and is connected to Voice coil loudspeaker voice coil on the downside of vibrating diaphragm is formed,Magnetic circuit system (30), described magnetic circuit system are arranged in lower house (122), the outer sheath of described magnetic circuit system (30) Provided with mounting bracket (40), described magnetic circuit system is connected by mounting bracket (40) with lower house (122), described mounting bracket (40) Positioning clamping body is provided between lower house (122).
- A kind of 2. electroacoustic transducer with magnetic circuit system according to claim 1, it is characterised in that：Described locking machine Structure includes clamping screw (123) and the screwed hole being opened on upper shell (121) lower end outside wall, described clamping screw (123) it is connected through screwed hole with lower house (122).
- A kind of 3. electroacoustic transducer with magnetic circuit system according to claim 1, it is characterised in that：Described magnetic circuit system Unite as the internal magnetic circuit (31) of two magnetic route structure, including center, peripheral external magnetic circuit (32), and the lower magnetic conductive board positioned at downside (33)。
- A kind of 4. electroacoustic transducer with magnetic circuit system according to claim 1, it is characterised in that：Described magnetic circuit system Unite as rectangular configuration, and form the magnetic gap for being used to house voice coil loudspeaker voice coil of rectangle, be located at rectangle magnetic gap on lower magnetic conductive board (33) The position in four corners is provided with four acoustic aperture (331) for going material to be formed, and acoustic aperture (331) is set along magnetic gap.
- A kind of 5. electroacoustic transducer with magnetic circuit system according to claim 1, it is characterised in that：Described locator card Groove (51) that tight mechanism includes being opened on lower house (122) lower end inside wall, it is opened on mounting bracket (40) lateral wall Hemispherical neck (52), spherical dop (53) and spring (54), described spherical dop (53) are connected to recessed by spring (54) In groove (51), described spherical dop (53) is caught in the presence of spring (54) in hemispherical neck (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710660066.7A CN107659874B (en) | 2017-08-04 | 2017-08-04 | Electroacoustic transducer with magnetic circuit system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710660066.7A CN107659874B (en) | 2017-08-04 | 2017-08-04 | Electroacoustic transducer with magnetic circuit system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107659874A true CN107659874A (en) | 2018-02-02 |
| CN107659874B CN107659874B (en) | 2024-04-19 |
Family
ID=61128504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710660066.7A Active CN107659874B (en) | 2017-08-04 | 2017-08-04 | Electroacoustic transducer with magnetic circuit system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107659874B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108566609A (en) * | 2018-07-25 | 2018-09-21 | 歌尔股份有限公司 | sound-producing device |
| CN112088538A (en) * | 2018-05-14 | 2020-12-15 | 华为技术有限公司 | Electroacoustic transducer and communication device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100040254A1 (en) * | 2008-08-17 | 2010-02-18 | Wright Doug S | Speaker mountings |
| CN202120022U (en) * | 2011-03-14 | 2012-01-18 | 中山市思锐摄影器材工业有限公司 | Photography monopod locking device |
| CN202721811U (en) * | 2012-04-28 | 2013-02-06 | 歌尔声学股份有限公司 | Electroacoustic transducer |
| CN203086725U (en) * | 2013-01-07 | 2013-07-24 | 歌尔声学股份有限公司 | Electroacoustic transducer |
| CN204948495U (en) * | 2015-04-22 | 2016-01-06 | 昆山万正电路板有限公司 | A kind of easy cleaned circuit board |
| CN205101787U (en) * | 2015-11-11 | 2016-03-23 | 北京市长城机床附件有限责任公司 | Vibration isolation adjustment parallels |
| CN206366932U (en) * | 2016-12-30 | 2017-08-01 | 江苏富沃德电子科技有限公司 | A kind of photovoltaic component terminal box fixture |
| CN207235097U (en) * | 2017-08-04 | 2018-04-13 | 奥音科技（镇江）有限公司 | A kind of electroacoustic transducer with magnetic circuit system |
-
2017
- 2017-08-04 CN CN201710660066.7A patent/CN107659874B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100040254A1 (en) * | 2008-08-17 | 2010-02-18 | Wright Doug S | Speaker mountings |
| CN202120022U (en) * | 2011-03-14 | 2012-01-18 | 中山市思锐摄影器材工业有限公司 | Photography monopod locking device |
| CN202721811U (en) * | 2012-04-28 | 2013-02-06 | 歌尔声学股份有限公司 | Electroacoustic transducer |
| CN203086725U (en) * | 2013-01-07 | 2013-07-24 | 歌尔声学股份有限公司 | Electroacoustic transducer |
| CN204948495U (en) * | 2015-04-22 | 2016-01-06 | 昆山万正电路板有限公司 | A kind of easy cleaned circuit board |
| CN205101787U (en) * | 2015-11-11 | 2016-03-23 | 北京市长城机床附件有限责任公司 | Vibration isolation adjustment parallels |
| CN206366932U (en) * | 2016-12-30 | 2017-08-01 | 江苏富沃德电子科技有限公司 | A kind of photovoltaic component terminal box fixture |
| CN207235097U (en) * | 2017-08-04 | 2018-04-13 | 奥音科技（镇江）有限公司 | A kind of electroacoustic transducer with magnetic circuit system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112088538A (en) * | 2018-05-14 | 2020-12-15 | 华为技术有限公司 | Electroacoustic transducer and communication device |
| CN112088538B (en) * | 2018-05-14 | 2022-02-25 | 华为技术有限公司 | Electroacoustic transducer and communication device |
| CN108566609A (en) * | 2018-07-25 | 2018-09-21 | 歌尔股份有限公司 | sound-producing device |
| CN108566609B (en) * | 2018-07-25 | 2022-04-22 | 歌尔股份有限公司 | Sound producing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107659874B (en) | 2024-04-19 |
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