CN107105375A - Low noise loudspeaker is used in one kind communication - Google Patents
Low noise loudspeaker is used in one kind communication Download PDFInfo
- Publication number
- CN107105375A CN107105375A CN201710523392.3A CN201710523392A CN107105375A CN 107105375 A CN107105375 A CN 107105375A CN 201710523392 A CN201710523392 A CN 201710523392A CN 107105375 A CN107105375 A CN 107105375A
- Authority
- CN
- China
- Prior art keywords
- sound
- low noise
- gland
- outer framework
- loudspeaker
- 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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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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention discloses a kind of communication low noise loudspeaker, including speaker housings body and spring shock absorption piece, the speaker housings body upper end, which connects to be provided with the middle part of gland, the gland, embedded on the gland on the inside of louver, louver is connected with protection grid；Outer framework is fixedly connected with inside the speaker housings body, outer framework top connects dust cover, resin film is installed on outer framework below dust cover, vibrating membrane is installed in outer framework below resin film, interior frame is installed in the outer framework below vibrating membrane, voice coil is installed, voice coil is fixed in interior frame by copper dust cap inside interior frame, voice coil bottom connection magnetic conductive board；It is easy to assembly quick; effectively the security of protection speaker housings in-body devices, prevents foreign object or dust etc. from entering the sounding of influence loudspeaker, effectively internally frame carries out sound-absorbing, sound insulation to the sound of side transmission; noise reduction process is realized, the audio for the sound that loudspeaker is released from louver is improved.
Description
Technical field
It is specifically that low noise loudspeaker is used in a kind of communication the present invention relates to Communication Equipment technical field.
Background technology
Loudspeaker is also known as " loudspeaker ", is a kind of very conventional electro-acoustic transducer device, in the electronic and electrical equipment of sounding
Widely use.Because loudspeaker is the equipment played for sound, it is widely used in the radio of communication field, phone, with oneself
Listen, in the equipment such as intercom, can avoid what Audio Players material was produced effectively by acoustic signals to user ear is delivered to
Draw the people for having influence on surrounding, or avoid sound from not heard by other people.
The species of loudspeaker is various, but its be audio electric energy by electromagnetism, piezoelectricity or electrostatic effect, make its cone or
Diaphragm vibration is simultaneously empathized with the air of surrounding and sends sound, and general low-grade loudspeaker is simple in construction because of its,
Structure is built on the sand, it is impossible to overcome resonance, and acoustical quality is poor；Loudspeaker is after sympathetic response generation sound is sent, and sound can expand to surrounding
Dissipate, but be due to that the housing of loudspeaker carries out front end face and offers louver, most of sound realizes sound from louver output
Broadcasting, but still there is fraction sound to be reverberated inside loudspeaker housing, so as to produce certain noise, have a strong impact on and raise
The tonequality and audio of sound device sounding, cause sound unpleasant to hear unmelodious, will cause the audio distortions of broadcasting when serious.Therefore, in order to
The removal of the voice quality and noise, noise of loudspeaker is improved, it is necessary to be improved to existing loudspeaker, to ensure that it is applied
In communication field and keep good voice effect.
The content of the invention
It is an object of the invention to provide a kind of communication low noise loudspeaker, to solve what is proposed in above-mentioned background technology
Problem.
To achieve the above object, the present invention provides following technical scheme：
Low noise loudspeaker, including speaker housings body and spring shock absorption piece, the speaker housings body are used in one kind communication
It is embedded on the gland on the inside of louver to be connected with protection grid provided with louver in the middle part of upper end connection gland, the gland；Institute
State and outer framework is fixedly connected with inside speaker housings body, outer framework top is connected pacifies on the outer framework below dust cover, dust cover
Equipped with resin film, it is provided with the outer framework below resin film in the outer framework below vibrating membrane, vibrating membrane in being provided with
Voice coil is installed, voice coil is fixed in interior frame by copper dust cap inside frame, interior frame, voice coil bottom connection magnetic conductive board,
Magnetic conductive board is set on conducting magnetic column, and connecting spring vibration damping sheet, institute on the outside of magnet, the interior frame are provided with the outside of the conducting magnetic column
State connection sound-absorbing piece on the outside of spring shock absorption piece.
It is used as further scheme of the invention：Mutually detained by buckle and pressure ring between the speaker housings body and gland
Connection is closed, buckle is arranged on speaker housings body upper end and is made with speaker housings body integral molding, and pressure ring is arranged on pressure
Lid lower end and it is made with gland integral molding.
It is used as further scheme of the invention：The protection grid is by diameterStainless steel metal wire compile
The metal grill being made into.
It is used as further scheme of the invention：The dust cover is close to protection grid bottom side and set.
It is used as further scheme of the invention：The spring shock absorption piece is bent the annular disc of undulate by aluminium flake.
It is used as further scheme of the invention：The spring shock absorption piece is set and spring shock absorption piece upper end parallel to vibrating membrane
Crowning do not contacted with the bottom face of vibrating membrane.
It is used as further scheme of the invention：The sound-absorbing piece is fixed on magnetic shielding cover inwall, and magnetic shielding cover is fixed on
On outer framework inwall.
It is used as further scheme of the invention：Sound-absorbing material is filled with the attractive material filled cavity, sound-absorbing material is
Mineral wool or the polyurethane foam filling of bulk multi-hole.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, low noise loudspeaker is used in a kind of communication, simple in construction, is mutually fastened realization by buckle and pressure ring and is raised one's voice
Being connected for device shell body and gland is easy to assembly quick.
2nd, by setting gradually protection grid, dust cover, resin film and vibrating membrane from outside to inside, loudspeaker is effectively protected
The security of shell in-body devices, prevents foreign object or dust etc. from entering the sounding of influence loudspeaker.
The 3rd, spring shock absorption piece, sound-absorbing piece, magnetic shielding cover and attractive material filled cavity are installed on the outside of interior frame, effectively internally
Frame carries out sound-absorbing, sound insulation to the sound of side transmission, realizes noise reduction process, improves the sound that loudspeaker is released from louver
Audio.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
In figure：1- attractive materials filled cavity, 2- magnets, 3- copper dust cap, 4- magnetic conductive boards, 5- conducting magnetic columns, 6- voice coils, in 7-
Frame, 8- magnetic shielding covers, 9- sound-absorbings piece, 10- speaker housings body, 11- glands, 12- louvers, 13- protections grid, 14- prevent
Dust hood, 15- resin films, 16- vibrating membranes, 17- spring shock absorptions piece, 18- outer frameworks, 19- buckles, 20- pressure rings.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Referring to Fig. 1, in the embodiment of the present invention, low noise loudspeaker, including the He of speaker housings body 10 are used in one kind communication
Spring shock absorption piece 17, the upper end of speaker housings body 10 connects gland 11, passes through between speaker housings body 10 and gland 11
Buckle 19 and pressure ring 20 are mutually fastened and connected, buckle 19 be arranged on the upper end of speaker housings body 10 and with speaker housings body 10 1
The shaping of body formula is made, and pressure ring 20 is arranged on the lower end of gland 11 and is made with the integral molding of gland 11, and during clamping, pressure ring 20 is pressed into
The outside of buckle 19 and fastened with buckle 19, realize being connected for speaker housings body 10 and gland 11, it is easy to assembly fast；Institute
State embedded be connected with the gland 11 that the middle part of gland 11 is provided with the inside of louver 12, louver 12 and protect grid 13, catch net
Lattice 13 are by diameterThe metal grill that is woven into of stainless steel metal wire, protection grid 13 plays good isolation
The effect of protection, prevents exterior object from directly going deep into speaker housings body 10 through louver 12, it is ensured that speaker housings
The security of device in body 10.
Outer framework 18 is fixedly connected with inside the speaker housings body 10, connection dust cover 14 in the top of outer framework 18 is dust-proof
Cover 14 is close to protection grid 13 bottom side and set, and resin film 15, resin film are provided with the outer framework 18 of the lower section of dust cover 14
It is provided with the outer framework 18 of 15 lower sections in vibrating membrane 16, the outer framework 18 of the lower section of vibrating membrane 16 and interior frame 7, interior frame is installed
Voice coil 6 is installed, voice coil 6 is fixed in interior frame 7 by copper dust cap 3 inside 7, the bottom of voice coil 6 connection magnetic conductive board 4, magnetic conduction
Plate 4 is set on conducting magnetic column 5, and the outside of conducting magnetic column 5 is provided with magnet 2, the interior outside connecting spring vibration damping sheet of frame 7
17, spring shock absorption piece 17 is bent the annular disc of undulate by aluminium flake, and the outside of spring shock absorption piece 17 connects sound-absorbing piece 9,
Sound-absorbing piece 9 is fixed on the inwall of magnetic shielding cover 8, and magnetic shielding cover 8 is fixed on the inwall of outer framework 18, and the spring shock absorption piece 17 is flat
Row is set in vibrating membrane 16 and the crowning of the upper end of spring shock absorption piece 17 is not contacted with the bottom face of vibrating membrane 16, the vibrating membrane
16 edges by being hot bonding inside outer framework 18 on,.
Attractive material filled cavity 1, attractive material filled cavity 1 are set in speaker housings body 10 outside the outer framework 18
The interior sound-absorbing material being filled with for noise absorption, sound-absorbing material is carried from mineral wool or the polyurethane foam filling of bulk multi-hole
The high sound insulation of the side of speaker housings body 10, sound-absorbing effect.
The present invention operation principle be：In use, the input alternation tone currents of voice coil 6 in speaker housings body 10, root
, can be by one when the magnetic field that tone currents is made up of magnet 2, magnetic conductive board 4 and conducting magnetic column 5 in voice coil 6 according to Faraday's law
Individual electric power, its direction, which meets, not carrys out bright left hand rule, and power and electric current, magnetic direction are orthogonal, stress size and electric current, leads
Line length, magnetic flux density are proportional, therefore, and voice coil 6 is produced alternate motion by an alternation thrust, so as to drive above it
Vibrating membrane 16 is vibrated, and air and sounding are promoted repeatedly, and the sound from-inner-to-outer of generation sequentially passes through resin film 15, dust cover 14
Played with after protection grid 13 from louver 12；At the same time, the spring shock absorption piece 17 for being installed in parallel in the lower section of vibrating membrane 16 is inhaled
Vibration that radio reception ripple is produced in the outer framework 18 is simultaneously passed to sound-absorbing piece 9 and absorbed, and reduction partial sound is in outer framework 18
Reverberate, it is to avoid the generation of noise, improve the audio of loudspeaker, secondly, magnetic shielding cover 8 avoids external magnetic field to magnet 2, magnetic conductive board
4 and the interference in magnetic field that constitutes of conducting magnetic column 5, the vibrating effect and quality of voice coil 6 are improved, audio and tonequality is further improved；Most
Afterwards, the attractive material of filling, to the acoustic absorption reverberated in speaker housings body 10, reduces noise dirty in attractive material filled cavity 1
Dye, improves the audio of loudspeaker, undistorted.
It is emphasized that：It the above is only presently preferred embodiments of the present invention, not make any formal to the present invention
Limitation, any simple modification, equivalent variations and modification that every technical spirit according to the present invention is made to above example,
Belong in the range of technical solution of the present invention.
, it is necessary to illustrate in the description of this specification, unless otherwise clearly defined and limited, term " setting ",
" connected " and " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected
Connect；Can be joined directly together, can also be indirectly connected to by intermediary, can be the connection of two element internals.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Claims (9)
1. low noise loudspeaker, including speaker housings body (10) and spring shock absorption piece (17) are used in one kind communication, it is characterised in that
Louver (12), louver are provided with the middle part of speaker housings body (10) the upper end connection gland (11), the gland (11)
(12) it is embedded on the gland (11) on the inside of to be connected with protection grid (13)；It is fixedly connected inside the speaker housings body (10)
Tree is installed on outer framework (18) below outer framework (18), outer framework (18) top connection dust cover (14), dust cover (14)
It is provided with outer framework (18) below membrane of lipoprotein (15), resin film (15) outer below vibrating membrane (16), vibrating membrane (16)
It is provided with framework (18) inside interior frame (7), interior frame (7) and voice coil (6) is installed, voice coil (6) is solid by copper dust cap (3)
It is scheduled in interior frame (7), voice coil (6) bottom connection magnetic conductive board (4), magnetic conductive board (4) is set on conducting magnetic column (5), the magnetic conduction
Connecting spring vibration damping sheet (17), the spring shock absorption piece (17) on the outside of magnet (2), the interior frame (7) are installed on the outside of post (5)
Outside connection sound-absorbing piece (9).
2. low noise loudspeaker is used in a kind of communication according to claim 1, it is characterised in that the speaker housings body
(10) mutually it is fastened and connected by buckle (19) and pressure ring (20) between gland (11).
3. low noise loudspeaker is used in a kind of communication according to claim 2, it is characterised in that the buckle (19) is arranged on
Speaker housings body (10) upper end and it is made with speaker housings body (10) integral molding, pressure ring (20) is arranged on gland (11)
Lower end and it is made with gland (11) integral molding.
4. low noise loudspeaker is used in a kind of communication according to claim 1, it is characterised in that the protection grid (13) is
By diameterThe metal grill that is woven into of stainless steel metal wire.
5. low noise loudspeaker is used in a kind of communication according to claim 1, it is characterised in that the dust cover (14) is close to
Grid (13) bottom side is protected to set.
6. low noise loudspeaker is used in a kind of communication according to claim 1, it is characterised in that the spring shock absorption piece (17)
The annular disc of undulate is bent by aluminium flake.
7. low noise loudspeaker is used in a kind of communication according to claim 6, it is characterised in that the spring shock absorption piece 17 is flat
Row is set in vibrating membrane 16 and the crowning of the upper end of spring shock absorption piece 17 is not contacted with the bottom face of vibrating membrane 16.
8. low noise loudspeaker is used in a kind of communication according to claim 1, it is characterised in that the sound-absorbing piece (9) is fixed
On magnetic shielding cover (8) inwall, magnetic shielding cover (8) is fixed on outer framework (18) inwall.
9. low noise loudspeaker is used in a kind of communication according to claim 1, it is characterised in that the attractive material filled cavity
(1) sound-absorbing material is filled with, sound-absorbing material is filled for the mineral wool or polyurethane foam of bulk multi-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710523392.3A CN107105375A (en) | 2017-06-30 | 2017-06-30 | Low noise loudspeaker is used in one kind communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710523392.3A CN107105375A (en) | 2017-06-30 | 2017-06-30 | Low noise loudspeaker is used in one kind communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107105375A true CN107105375A (en) | 2017-08-29 |
Family
ID=59664357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710523392.3A Withdrawn CN107105375A (en) | 2017-06-30 | 2017-06-30 | Low noise loudspeaker is used in one kind communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107105375A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107666803A (en) * | 2017-09-30 | 2018-02-06 | 广东欧珀移动通信有限公司 | The housing unit of terminal and there is its terminal |
| CN107690013A (en) * | 2017-09-30 | 2018-02-13 | 广东欧珀移动通信有限公司 | The housing unit of terminal and there is its terminal |
| CN109348379A (en) * | 2018-10-30 | 2019-02-15 | 嘉兴市华阳电器有限公司 | A kind of loudspeaker with noise-reducing structure |
| CN111836177A (en) * | 2020-07-22 | 2020-10-27 | 歌尔股份有限公司 | Sound production device |
-
2017
- 2017-06-30 CN CN201710523392.3A patent/CN107105375A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107666803A (en) * | 2017-09-30 | 2018-02-06 | 广东欧珀移动通信有限公司 | The housing unit of terminal and there is its terminal |
| CN107690013A (en) * | 2017-09-30 | 2018-02-13 | 广东欧珀移动通信有限公司 | The housing unit of terminal and there is its terminal |
| CN109348379A (en) * | 2018-10-30 | 2019-02-15 | 嘉兴市华阳电器有限公司 | A kind of loudspeaker with noise-reducing structure |
| CN109348379B (en) * | 2018-10-30 | 2024-05-24 | 屿声电声(广东)有限公司 | Loudspeaker with noise reduction structure |
| CN111836177A (en) * | 2020-07-22 | 2020-10-27 | 歌尔股份有限公司 | Sound production device |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170829 |