CN207070336U - Low noise loudspeaker is used in one kind communication - Google Patents
Low noise loudspeaker is used in one kind communication Download PDFInfo
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- CN207070336U CN207070336U CN201720781762.9U CN201720781762U CN207070336U CN 207070336 U CN207070336 U CN 207070336U CN 201720781762 U CN201720781762 U CN 201720781762U CN 207070336 U CN207070336 U CN 207070336U
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- China
- Prior art keywords
- sound
- outer framework
- low noise
- gland
- speaker housings
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Abstract
The utility model discloses a kind of communication low noise loudspeaker, including speaker housings body and spring shock absorption piece, the speaker housings body upper end connects gland, is provided with louver in the middle part of the gland, embedded on the gland on the inside of louver to be 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, voice coil bottom connection magnetic conductive board inside interior frame；It is easy to assembly quick; the effectively security of protection speaker housings in-body devices, prevent foreign object or dust etc. from entering the sounding for influenceing loudspeaker, effectively internally frame carries out sound-absorbing, sound insulation to the sound that side is transmitted; noise reduction process is realized, improves the audio for the sound that loudspeaker is released from louver.
Description
Technical field
Communication Equipment technical field is the utility model is related to, is specifically that low noise loudspeaker is used in a kind of communication.
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, be able to can be avoided caused by Audio Players material 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 it is 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 built on the sand, can not overcome resonance, and acoustical quality is poor；After sending sympathetic response and producing sound, sound can expand loudspeaker to surrounding
Dissipate, but louver is offered because the housing of loudspeaker carries out front end face, 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, the audio distortions of broadcasting will be caused 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 its application
In communication field and keep good voice effect.
Utility model content
The purpose of this utility model is to provide a kind of communication low noise loudspeaker, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the utility model 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
Upper end connects gland, is provided with louver in the middle part of the gland, embedded on the gland on the inside of louver to be connected with protection grid；Institute
State and outer framework is fixedly connected with inside speaker housings body, outer framework top connection dust cover, pacify on the outer framework below dust cover
Equipped with resin film, vibrating membrane is installed in the outer framework below resin film, be provided with the outer framework below vibrating membrane in
Frame, voice coil being installed inside interior frame, voice coil is fixed in interior frame by copper dust cap, voice coil bottom connection magnetic conductive board,
Magnetic conductive board is set on conducting magnetic column, is provided with magnet on the outside of the conducting magnetic column, connecting spring vibration damping sheet on the outside of the interior frame, institute
State connection sound-absorbing piece on the outside of spring shock absorption piece.
As further program of the utility model：Pass through buckle and pressure ring phase between the speaker housings body and gland
Mutually it is fastened and connected, buckle is arranged on speaker housings body upper end and is made with speaker housings body integral molding, and pressure ring is set
It is made in gland lower end and with gland integral molding.
As further program of the utility model：The protection grid is by 1~1.5mm of diameter phi stainless steel metal
The metal grill that silk is woven into.
As further program of the utility model：The dust cover is close to protect grid bottom side to set.
As further program of the utility model：The spring shock absorption piece is bent the annular circle of undulate by aluminium flake
Piece.
As further program of the utility model：The spring shock absorption piece is set parallel to vibrating membrane and spring shock absorption piece
The crowning of upper end does not contact with the bottom face of vibrating membrane.
As further program of the utility model：The sound-absorbing piece is fixed on magnetic shielding cover inwall, and magnetic shielding cover is solid
It is scheduled on outer framework inwall.
As further program of the utility model：Sound-absorbing material is set in speaker housings body outside the outer framework
Filled cavity, sound-absorbing material filled cavity is interior to be filled with sound-absorbing material, and sound-absorbing material is filled out for the mineral wool or polyurethane foam of bulk multi-hole
Fill.
Compared with prior art, the beneficial effects of the utility model are：
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
Device shell body and gland are connected, 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, prevent foreign object or dust etc. from entering the sounding for influenceing loudspeaker.
The 3rd, spring shock absorption piece, sound-absorbing piece, magnetic shielding cover and sound-absorbing material filled cavity are installed on the outside of interior frame, effectively internally
Frame carries out sound-absorbing, sound insulation to the sound that side is transmitted, and 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 present utility model.
In figure：1- sound-absorbing materials filled cavity, 2- magnets, 3- copper dust cap, 4- magnetic conductive boards, 5- conducting magnetic columns, 6- voice coils, 7-
Interior frame, 8- magnetic shielding covers, 9- sound-absorbings piece, 10- speaker housings body, 11- glands, 12- louvers, 13- protections grid, 14-
Dust cover, 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 utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Referring to Fig. 1, in the utility model embodiment, low noise loudspeaker, including speaker housings body are used in one kind communication
10 and spring shock absorption piece 17, the upper end of speaker housings body 10 connects gland 11, between speaker housings body 10 and gland 11
Mutually be fastened and connected by buckle 19 and pressure ring 20, buckle 19 be arranged on the upper end of speaker housings body 10 and with speaker housings body
10 integral moldings are made, and pressure ring 20 is arranged on the lower end of gland 11 and is made with the integral molding of gland 11, during clamping, pressure ring 20
Press-in buckle 19 outside and fastened with buckle 19, realize being connected for speaker housings body 10 and gland 11, it is easy to assembly soon
It is prompt；The middle part of gland 11 is provided with louver 12, and embedded be connected with protects grid 13 on the gland 11 of the inner side of louver 12, protects
Protecting wire net lattice 13 are the metal grills being woven into by 1~1.5mm of diameter phi stainless steel metal wire, and protection grid 13 plays well
The effect of isolating and protecting, prevent exterior object from directly going deep into speaker housings body 10 through louver 12, ensure that loudspeaker
The security of device in shell 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 protect the bottom side of grid 13 to set, and resin film 15, resin film are provided with the outer framework 18 of the lower section of dust cover 14
Vibrating membrane 16 is installed in the outer framework 18 of 15 lower sections, interior frame 7, interior basin are installed in the outer framework 18 of the lower section of vibrating membrane 16
Voice coil 6 is installed, voice coil 6 is fixed in interior frame 7 by copper dust cap 3, the bottom of voice coil 6 connection magnetic conductive board 4, is led inside frame 7
Magnetic sheet 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 damping of frame 7
Piece 17, spring shock absorption piece 17 are bent the annular disc of undulate, the outside of the spring shock absorption piece 17 connection sound-absorbing piece by aluminium flake
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, the spring shock absorption piece
17 are set and the crowning of the upper end of spring shock absorption piece 17 does not contact with the bottom face of vibrating membrane 16 parallel to vibrating membrane 16, described to shake
The dynamic edge of film 16 by being hot bonding inside outer framework 18 on,.
Sound-absorbing material filled cavity 1, sound-absorbing 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 are 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.
Operation principle of the present utility model is：In use, the voice coil 6 in speaker housings body 10 inputs alternation audio-frequency electric
Stream, according to Faraday's law, 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, meeting
By an electric power, its direction meet not come bright left hand rule, power and electric current, magnetic direction are orthogonal, stress size and
Electric current, conductor length, magnetic flux density are proportional, and therefore, voice coil 6 is produced alternate motion by an alternation thrust, so as to drive
Vibrating membrane 16 above it vibrates, and promotes air and sounding repeatedly, caused sound from-inner-to-outer sequentially pass through resin film 15,
Played after dust cover 14 and protection grid 13 from louver 12；At the same time, the spring for being installed in parallel in the lower section of vibrating membrane 16 subtracts
Shake piece 17 absorbs that sound wave is caused in outer framework 18 to be vibrated and be passed to sound-absorbing piece 9 and absorb, and reduces partial sound outside
Reverberated in framework 18, avoid the generation of noise, improve the audio of loudspeaker, secondly, magnetic shielding cover 8 avoids external magnetic field to magnet
2nd, the interference in the magnetic field that magnetic conductive board 4 and conducting magnetic column 5 are formed, improves the vibrating effect and quality of voice coil 6, further improve audio and
Tonequality；Finally, the sound-absorbing material of filling to the acoustic absorption reverberated in speaker housings body 10, drops in sound-absorbing material filled cavity 1
Low noise pollutes, and improves the audio of loudspeaker, undistorted.
It is emphasized that：It the above is only preferred embodiment of the present utility model, not the utility model appointed
What formal limitation, every any simple modification made according to the technical essence of the utility model to above example, etc.
With change and modification, belong in the range of technical solutions of the utility model.
, 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 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
Speaker housings body (10) the upper end connection gland (11), gland (11) middle part are provided with louver (12), louver
(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)
Outer framework (18), outer framework (18) top connection dust cover (14), tree is installed on the outer framework (18) below dust cover (14)
Membrane of lipoprotein (15), is provided with vibrating membrane (16) in the outer framework (18) below resin film (15), outer below vibrating membrane (16)
Interior frame (7) is installed in framework (18), voice coil (6) is installed inside interior frame (7), 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
Magnet (2), interior frame (7) the outside connecting spring vibration damping sheet (17), the spring shock absorption piece (17) 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 use in a kind of communication according to claim 1, it is characterised in that described to protect the grid (13) to be
The metal grill being woven into by 1~1.5mm of diameter phi 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)
By the annular disc of aluminium flake bending undulate.
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 does not contact 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 outer framework (18) is outside
Sound-absorbing material filled cavity (1) is set in the speaker housings body (10) in portion, sound absorber is filled with sound-absorbing material filled cavity (1)
Material, sound-absorbing material are filled for the mineral wool or polyurethane foam of bulk multi-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720781762.9U CN207070336U (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 |
|---|---|---|---|
| CN201720781762.9U CN207070336U (en) | 2017-06-30 | 2017-06-30 | Low noise loudspeaker is used in one kind communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207070336U true CN207070336U (en) | 2018-03-02 |
Family
ID=61507661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720781762.9U Expired - Fee Related CN207070336U (en) | 2017-06-30 | 2017-06-30 | Low noise loudspeaker is used in one kind communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207070336U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114125089A (en) * | 2020-08-31 | 2022-03-01 | 北京小米移动软件有限公司 | Terminal device, signal processing method and device, and storage medium |
-
2017
- 2017-06-30 CN CN201720781762.9U patent/CN207070336U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114125089A (en) * | 2020-08-31 | 2022-03-01 | 北京小米移动软件有限公司 | Terminal device, signal processing method and device, and storage medium |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180302 Termination date: 20200630 |