CN205491123U - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN205491123U CN205491123U CN201620076759.2U CN201620076759U CN205491123U CN 205491123 U CN205491123 U CN 205491123U CN 201620076759 U CN201620076759 U CN 201620076759U CN 205491123 U CN205491123 U CN 205491123U
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- CN
- China
- Prior art keywords
- main part
- voice coil
- vibrating diaphragm
- top dome
- speaker
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- 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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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The utility model provides a loudspeaker. Loudspeaker includes magnetic circuit, vibration system and braced system, vibration system includes ball top, vibrating diaphragm and voice coil loudspeaker voice coil, the vibrating diaphragm include the vibrating diaphragm main part and by the book ring portion that the vibrating diaphragm main part is buckled and is extended, it locates to roll over ring portion ring the vibrating diaphragm main part, the ball top is including ball top main part and extension, the thickness of extension is less than the thickness of ball top main part, the extension is including relative first surface and the second surface that sets up, the first surface with ball top main part parallel and level, the vibrating diaphragm main part is fixed in the second surface, the vibrating diaphragm main part with ball top main part interval sets up, the tip of voice coil loudspeaker voice coil is located ball top main part with between the vibrating diaphragm main part, just the terminal surface of voice coil loudspeaker voice coil is fixed in the second surface. The utility model discloses a loudspeaker will vibration system's ball topside can be saved along doing the attenuate design vibration system's assembly space.
Description
[technical field]
This utility model relates to electroacoustic conversion art, concrete, relates to a kind of speaker.
[background technology]
In recent years, Information technology fast development, especially wireless mobile telecommunication technology, more and more
Mobile electronic device occurs in daily life, such as smart mobile phone, panel computer, notebook
Computer and Rich media player have become the essential product in people's life.Along with these move electricity
Popularizing of subset, the volume how reducing mobile electronic device has also been increasingly becoming what user was paid close attention to
Focus.
The acoustical devices such as speaker are as voice playing device, the power amplifier to above-mentioned mobile electronic device
The impact of energy is the biggest.
In correlation technique, speaker includes that top dome, vibrating diaphragm and voice coil loudspeaker voice coil, described top dome are tabular, institute
Stating top dome, described vibrating diaphragm and described voice coil loudspeaker voice coil the most glued, the thickness that three connects is big, wasting space.
Therefore, it is necessary to provide a kind of new speaker to solve drawbacks described above.
[utility model content]
The purpose of this utility model is that providing a kind of saves space, but does not affect top dome intensity and high frequency
The speaker of cut-off frequency.
The technical solution of the utility model is as follows: a kind of speaker, including magnetic circuit system, vibrational system
And for supporting and fix the support system of the two, described vibrational system includes top dome, vibrating diaphragm and sound
Circle, described vibrating diaphragm includes ring-type vibrating diaphragm main part and is bent extension outside ring by described vibrating diaphragm main part
Ring portion, described ring portion is located on described vibrating diaphragm main part, and described top dome includes top dome main part
Be located on the extension of described top dome main part, the thickness of described extension is less than described top dome main body
The thickness in portion, described extension includes first surface and the second surface being oppositely arranged, described first table
Face is concordant with described top dome main part, and described vibrating diaphragm main part is fixed on described second surface, described in shake
Film main part and described top dome main part interval are arranged, and described top dome main body is located in the end of described voice coil loudspeaker voice coil
Between portion and described vibrating diaphragm main part, and the end face of described voice coil loudspeaker voice coil is fixed on described second surface.
In a preferred embodiment of the vibrational system of this utility model offer, described top dome is one-body molded.
In a preferred embodiment of the vibrational system of this utility model offer, described ring portion forms one
Scrobicular ring to described first surface direction depression.
This utility model provide vibrational system a preferred embodiment in, the sidewall of described voice coil loudspeaker voice coil with
Described top dome main part abuts.
In a preferred embodiment of the vibrational system of this utility model offer, described voice coil loudspeaker voice coil shakes with described
Film main part interval is arranged.
In a preferred embodiment of the vibrational system of this utility model offer, described second surface and institute
State vibrating diaphragm main part gluing to connect.
In a preferred embodiment of the vibrational system of this utility model offer, described second surface and institute
State voice coil loudspeaker voice coil gluing to connect.
In a preferred embodiment of the vibrational system of this utility model offer, described magnetic circuit system includes
Main magnet steel and be located on several limit magnet steel outside described main magnet steel, described main magnet steel and described limit magnetic
Forming magnetic gap between steel, described voice coil loudspeaker voice coil is inserted in described magnetic gap.
In a preferred embodiment of the vibrational system of this utility model offer, described limit magnet steel is four.
The beneficial effects of the utility model are: make to subtract by the described top dome edge in described vibrational system
Thin design, forms thickness less than the extension of described top dome main part, described vibrating diaphragm main part and described
Voice coil loudspeaker voice coil is fixing with described extension respectively to be connected, and reaches to save the effect of assembly space, is possible not only to subtract
The volume of little described vibrational system, simultaneously top dome edge thinning to top dome intensity and high-frequency cut-off frequency without
Appreciable impact.
[accompanying drawing explanation]
Fig. 1 is that the three-dimensional of speaker of the present utility model assembles schematic diagram；
Fig. 2 is the schematic top plan view of the speaker shown in Fig. 1；
Fig. 3 is the sectional view along line A-A of the speaker shown in Fig. 2；
Fig. 4 is that the B after the speaker removal lower cover shown in Fig. 1 is to schematic diagram.
[detailed description of the invention]
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Incorporated by reference to refering to Fig. 1 to Fig. 3, wherein, Fig. 1 is three-dimensional group of speaker of the present utility model
Dress schematic diagram, Fig. 2 is the schematic top plan view of the speaker shown in Fig. 1, and Fig. 3 is raising shown in Fig. 2
Sound device is along the sectional view of line A-A.
Described speaker 1 includes magnetic circuit system 11, vibrational system 13 and support system 15.Described
Support system 15 supports and fixes described magnetic circuit system 11 and described vibrational system 13, and maintains the two it
Between relative position.
Described magnetic circuit system 11 includes folded pole piece 111 and the main magnet steel 113 set and is located on described master
Several limit magnet steel 115 outside magnet steel 113, between described main magnet steel 113 and described limit magnet steel 115
Forming magnetic gap 117, described voice coil loudspeaker voice coil 135 is inserted in described magnetic gap 117.
Refer to Fig. 4 again, remove the B after lower cover to schematic diagram for the speaker shown in Fig. 1.At this
In embodiment, described limit magnet steel 115 is four, four described limit magnet steel 115 in two-by-two relative to shape,
For being limited in the space that four described limit magnet steel 115 enclose by described voice coil loudspeaker voice coil 135, it is used for reducing
Waving of described speaker 1, and magnetic induction force can be strengthened.
Described vibrational system 13 includes top dome 131, vibrating diaphragm 133 and voice coil loudspeaker voice coil 135, described voice coil loudspeaker voice coil 135
For driving described vibrating diaphragm 133 to vibrate, described top dome 131 is used for adding strong vibration.
Described top dome 131 includes top dome main part 1311 and extension 1313, described extension 1313
It is located on described top dome main part 1311.The thickness of described extension 1313 is less than described top dome main body
The thickness in portion 1311.
Described top dome 131 is one-body molded, structural integrity, stable mechanical property, and service life is long.
Described extension 1313 includes first surface 13131 and the second surface 13133 being oppositely arranged,
Described first surface 13131 is concordant with described top dome main part 1311, the thickness of described extension 1313
Degree is less than the thickness of described top dome main part 1311, described second table of the most described extension 1313
A thickness interval with difference in height is formed between face 13133 and described top dome main part 1311.
Described thickness interval is used for connecting described vibrating diaphragm 133 and described voice coil loudspeaker voice coil 135.Compared to relevant skill
Flat board top dome in art, described top dome 131 edge is made above-mentioned thinning design, is saved described vibrating diaphragm 133
With the assembly space of described voice coil loudspeaker voice coil 135, make the structure of described vibrational system 13 and described speaker 1 more
Compact.
Described vibrating diaphragm 133 includes ring-type vibrating diaphragm main part 1331 and by described vibrating diaphragm main part 1331
Bending the ring portion 1333 of extension outside ring, described ring portion 1333 is located on described vibrating diaphragm main part
1331, described ring portion 1333 forms a scrobicular ring to described first surface 11133 direction depression.
Described vibrating diaphragm main part 1331 is fixed on described second surface 13133, described vibrating diaphragm main part
1331 and described top dome main part 1311 interval arrange, described ball is located in the end of described voice coil loudspeaker voice coil 135
Between top main part 1311 and described vibrating diaphragm main part 1331, and the end face of described voice coil loudspeaker voice coil 135 is fixed
In described second surface 13133.Described voice coil loudspeaker voice coil 135 is directly connected with described second surface 13133,
Save the assembly space of described vibrational system 13 further, reduce the volume of described speaker 1.
The sidewall of described voice coil loudspeaker voice coil 135 abuts with described top dome main part 1311, the most described voice coil loudspeaker voice coil 135
Increase with the connection area of described top dome 131, connect more reliable.
Described voice coil loudspeaker voice coil 135 and described vibrating diaphragm main part 1331 interval are arranged, it is to avoid described voice coil loudspeaker voice coil 135
Described vibrating diaphragm 133 is formed lasting impact, causes described vibrating diaphragm 133 to depart from described top dome 131.
Described top dome 131, between described vibrating diaphragm main part 1331 and described voice coil loudspeaker voice coil 135 three with gluing
Mode connects, simple in construction, easy to operate, fixing reliable, and low cost.
Certainly, described second surface 13133, described vibrating diaphragm main part 1331 and described voice coil loudspeaker voice coil 135 3
It is not limited between person connecting in glued mode, fixes connected mode arbitrarily, as riveted, overlapping,
Snap connection, within being the most in like manner included in protection domain of the present utility model.
The operation principle of described speaker 1 is: when described voice coil loudspeaker voice coil 135 receives external impressed current signal,
The effect by Lorentz force in the magnetic field of described magnetic gap 117 of described voice coil loudspeaker voice coil 135 can produce displacement.
The current signal received along with described voice coil loudspeaker voice coil 135 is constantly changed direction so that described voice coil loudspeaker voice coil 135 is subject to
Lorentz force also correspondent transform direction so that described voice coil loudspeaker voice coil 135 is in described magnetic gap 117
Move back and forth, thus drive the vibration of described vibrating diaphragm 133 to send sound.
The speaker 1 that this utility model provides has the advantages that described vibrational system 13
In the thinning formation in the edge thickness of described top dome 131 less than the extension of described top dome main part 1311
Portion, by the end face of described vibrating diaphragm main part 1331 and described voice coil loudspeaker voice coil 135 respectively with described extension 1313
Fixing connection, reaches to save the effect of assembly space, is possible not only to reduce the body of described vibrational system 13
Long-pending, top dome edge is thinning simultaneously does not makes significant difference to top dome intensity and high-frequency cut-off frequency.
Above-described is only embodiment of the present utility model, it should be noted here that for this area
Those of ordinary skill for, without departing from this utility model create design on the premise of, it is also possible to do
Go out to improve, but these belong to protection domain of the present utility model.
Claims (9)
1. a speaker, including magnetic circuit system, vibrational system and for supporting and fix the two
Support system, described vibrational system includes that top dome, vibrating diaphragm and voice coil loudspeaker voice coil, described vibrating diaphragm include ring-type shaking
Film main part and bent the ring portion of extension by described vibrating diaphragm main part outside ring, described ring portion ring sets
In described vibrating diaphragm main part, it is characterised in that: described top dome includes top dome main part and is located on described
The extension of top dome main part, the thickness of described extension is less than the thickness of described top dome main part, institute
State first surface and second surface that extension includes being oppositely arranged, described first surface and described top dome
Main part is concordant, and described vibrating diaphragm main part is fixed on described second surface, described vibrating diaphragm main part and institute
Stating top dome main part interval to arrange, described top dome main part and described vibrating diaphragm are located in the end of described voice coil loudspeaker voice coil
Between main part, and the end face of described voice coil loudspeaker voice coil is fixed on described second surface.
Speaker the most according to claim 1, it is characterised in that: described top dome is one-body molded.
Speaker the most according to claim 1, it is characterised in that: described ring portion formed one to
The scrobicular ring of described first surface direction depression.
Speaker the most according to claim 1, it is characterised in that: the sidewall of described voice coil loudspeaker voice coil and institute
State top dome main part to abut.
Speaker the most according to claim 1, it is characterised in that: described voice coil loudspeaker voice coil and described vibrating diaphragm
Main part interval is arranged.
Speaker the most according to claim 1, it is characterised in that: described second surface is with described
Vibrating diaphragm main part gluing connects.
Speaker the most according to claim 1, it is characterised in that: described second surface is with described
Voice coil loudspeaker voice coil gluing connects.
Speaker the most according to claim 1, it is characterised in that: described magnetic circuit system includes main
Magnet steel and be located on several limit magnet steel outside described main magnet steel, described main magnet steel and described limit magnet steel
Between formed magnetic gap, described voice coil loudspeaker voice coil is inserted in described magnetic gap.
Speaker the most according to claim 8, it is characterised in that: described limit magnet steel is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620076759.2U CN205491123U (en) | 2016-01-26 | 2016-01-26 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620076759.2U CN205491123U (en) | 2016-01-26 | 2016-01-26 | Loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205491123U true CN205491123U (en) | 2016-08-17 |
Family
ID=56618622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620076759.2U Active CN205491123U (en) | 2016-01-26 | 2016-01-26 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205491123U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109936804A (en) * | 2019-02-28 | 2019-06-25 | 瑞声光电科技(常州)有限公司 | Sound film and microphone device with the sound film |
-
2016
- 2016-01-26 CN CN201620076759.2U patent/CN205491123U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109936804A (en) * | 2019-02-28 | 2019-06-25 | 瑞声光电科技(常州)有限公司 | Sound film and microphone device with the sound film |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |