CN205754797U - A kind of woofer - Google Patents
A kind of woofer Download PDFInfo
- Publication number
- CN205754797U CN205754797U CN201620468088.4U CN201620468088U CN205754797U CN 205754797 U CN205754797 U CN 205754797U CN 201620468088 U CN201620468088 U CN 201620468088U CN 205754797 U CN205754797 U CN 205754797U
- Authority
- CN
- China
- Prior art keywords
- washer
- voice coil
- ferrum
- magnetic circuit
- woofer
- 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.)
- Withdrawn - After Issue
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 77
- 229910052742 iron Inorganic materials 0.000 claims abstract description 22
- 238000004804 winding Methods 0.000 claims abstract description 13
- 238000010276 construction Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a kind of woofer.This woofer includes: frame and be housed in the magnetic circuit system within frame and vibrational system, described magnetic circuit system is the toroid that U ferrum, cylindrical magnetic iron, the first washer and the second washer are formed, wherein the first washer and the second washer constitute the magnetic circuit gap of annular, described vibrational system includes: vibrating diaphragm and voice coil loudspeaker voice coil, described voice coil loudspeaker voice coil is fixed on vibrating diaphragm by the top of its winding section, and is suspended in the magnetic circuit gap of described annular；Described vibrational system also includes the bullet ripple being placed in toroid, and the outer end playing ripple is fixed on the medial wall of U ferrum, and the inner is bonded in the bottom of voice coil loudspeaker voice coil winding section.The technical solution of the utility model is by being placed in bullet ripple in toroid, it is not only able to effectively reduce the thickness of speaker, but also bullet ripple can be made to increase with the distance of vibrating diaphragm root, make the up-down vibration that vibrating diaphragm is maintained on center position, it is to avoid the distortion caused due to vibration deviation.
Description
Technical field
This utility model relates to loudspeaker techniques field, particularly to a kind of woofer.
Background technology
Common woofer structure is as it is shown in figure 1, frame 2 ' supports whole system, washer 4 ', magnetic
Ferrum 5 ' and T ferrum 6 ' form a toroid, and voice coil loudspeaker voice coil 3 ' hangs on what washer 4 ' and T ferrum 6 ' were formed
In magnetic gap；After energising, voice coil loudspeaker voice coil 3 ' is stress in magnetic field, drives the vibration of taper cone 1 ', generation sound
Sound.Wherein, play ripple 7 ' has the effect of braking and centralized positioning to voice coil loudspeaker voice coil 3 ' and taper cone 1 ', makes sound
Circle 3 ' moves in magnetic gap, will not encounter washer 4 ' and T ferrum 6 ' causes wiping circle.
At least there is following defect in the woofer structure shown in Fig. 1:
(1) this woofer thickness is blocked up, is not suitable with the development trend in current portable audio amplifier market；
(2) the bullet ripple in this woofer is close together with vibrating diaphragm root, and vibrating diaphragm is in up-down vibration process
In may vacillate now to the left, now to the right, there is vibration deviation, cause the design distortion of this woofer vibration system
Bigger.
Utility model content
In view of the above problems, this utility model provides a kind of woofer, to solve in prior art
The blocked up development trend being not suitable with portable loudspeaker box market of woofer thickness, and low in prior art
The design bigger problem of distortion of sound speaker vibration system.
For reaching above-mentioned purpose, the technical solution of the utility model is achieved in that
This utility model provides a kind of woofer, including frame 2 be housed within frame 2
Magnetic circuit system and vibrational system, magnetic circuit system is U ferrum 6, cylindrical magnetic iron the 5, first washer 41 and second
The toroid that washer 42 is formed, wherein the first washer 41 and the second washer 42 are constituted between the magnetic circuit of annular
Gap, vibrational system includes: vibrating diaphragm 1 and voice coil loudspeaker voice coil 3, and voice coil loudspeaker voice coil 3 is fixed on by the top of its winding section and shakes
On film 1, and it is suspended in the magnetic circuit gap of annular；Vibrational system also includes the bullet being placed in toroid
Ripple 7, the outer end playing ripple 7 is fixed on the medial wall of U ferrum 6, and the inner is bonded in voice coil loudspeaker voice coil 3 winding section
Bottom.
Preferably, vibrating diaphragm 1 is plane diaphragm, and its edge is fixed on the medial wall of frame 2, pars intermedia
Divide the surface being positioned at magnetic circuit system.
Preferably, U ferrum 6 includes that groove and sidewall, the first washer 41 include annular fixed part 411 and ring
Shape extension 412, the second washer 42 is cylindricality washer；
Cylindrical magnetic iron 5 is arranged on the center of groove, and the second washer 42 is arranged on cylindrical magnetic iron 5,
The annular fixed part 411 of the first washer 41 is arranged on the sidewall of U ferrum 6, the annular of the first washer 41
Extension 412 and the second washer 42 constitute the magnetic circuit gap of annular.
Preferably, magnetic circuit system also includes: for increasing the pad 8 of voice coil loudspeaker voice coil 3 stroke；
Pad 8 is arranged on the bottom portion of groove of U ferrum 6, is placed in the lower section of cylindrical magnetic iron 5.
Preferably, pad 8 is column construction, arranges with cylindrical magnetic iron 5 concentric, and outside pad 8
Footpath is less than or equal to the external diameter of cylindrical magnetic iron 5.
This utility model embodiment provides the benefit that: the woofer that this utility model provides, and passes through
Bullet ripple is placed in toroid, on the one hand saves the height space of speaker, significantly reduce and raise one's voice
The thickness of device；On the other hand make bullet ripple increase with the distance of vibrating diaphragm root, and have again voice coil loudspeaker voice coil winding section to be connected,
Thus play the up-down vibration that vibrating diaphragm can be preferably maintained on center position by ripple by the winding section of voice coil loudspeaker voice coil,
Avoid the distortion caused due to vibration deviation；Additionally, in order to bullet ripple is placed in toroid, need suitable
Answering property increases the diameter of U ferrum, makes the magnetic field of toroid have more preferable symmetry, reduces further
Distortion.
Accompanying drawing explanation
Fig. 1 is the profile of woofer structure of the prior art；
The profile of the woofer structure that Fig. 2 provides for this utility model embodiment；
In figure: 1 ', taper cone；2 ', frame；3 ', voice coil loudspeaker voice coil；4 ', washer；5 ', Magnet；6’、
T ferrum；7 ', ripple is played；
1, vibrating diaphragm；2, frame；3, voice coil loudspeaker voice coil；41, the first washer；411, annular fixed part；412、
Annular extension；42, the second washer；5, cylindrical magnetic iron；6, U ferrum；7, ripple is played；8, pad.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing pair
This utility model embodiment is described in further detail.
The profile of the woofer structure that Fig. 2 provides for the present embodiment, as in figure 2 it is shown, this bass
Speaker includes: frame 2 and be housed in the magnetic circuit system within frame 2 and vibrational system；
Magnetic circuit system is the ring that U ferrum 6, cylindrical magnetic iron the 5, first washer 41 and the second washer 42 are formed
Shape magnetic circuit, wherein the first washer 41 and the second washer 42 constitute the magnetic circuit gap of annular；
Concrete, with reference to shown in Fig. 2, U ferrum 6 includes that groove and sidewall, the first washer 41 include ring
Shape fixed part 411 and annular extension 412, the second washer 42 is cylindricality washer；Cylindrical magnetic iron 5 is arranged
In the center of groove, the second washer 42 is arranged on cylindrical magnetic iron 5, the diameter of the second washer 42
Slightly larger than the diameter of cylindrical magnetic iron 5, the annular fixed part 411 of the first washer 41 is arranged on U ferrum 6
On sidewall, thus the first washer 41 is fixed on U ferrum 6, the annular extension 412 of the first washer 41
With the magnetic circuit gap that the second washer 42 constitutes annular；I.e. U ferrum 6, cylindrical magnetic iron the 5, first washer 41
A toroid is formed with the second washer 42.
Vibrational system in Fig. 2 includes: vibrating diaphragm 1, voice coil loudspeaker voice coil 3 and the bullet ripple 7 being placed in toroid, sound
Circle 3 is fixed on vibrating diaphragm 1 by the top of its winding section, and is suspended in the magnetic circuit gap of annular, bullet
The outer end of ripple 7 is fixed on the medial wall of U ferrum 6, and the inner is bonded in the bottom of voice coil loudspeaker voice coil 3 winding section.
Woofer in Fig. 2 after powered up, voice coil loudspeaker voice coil 3 stress in magnetic field, drive vibrating diaphragm 1 vibrate,
Produce sound, play ripple 7 and make voice coil loudspeaker voice coil 3 move in magnetic gap, the first washer 41 and the second China will not be encountered
Take charge of 42 and cause wiping circle.
The present embodiment, by being placed in toroid by bullet ripple, on the one hand saves the height space of speaker,
Significantly reduce the thickness of speaker；On the other hand make the distance increase playing ripple with vibrating diaphragm root, play ripple
The up-down vibration preferably vibrating diaphragm being maintained on center position by the winding section of voice coil loudspeaker voice coil, it is to avoid due to
The distortion that vibration deviation causes；Additionally, in order to be placed in toroid by bullet ripple, need adaptability to increase
The diameter of U ferrum, makes the magnetic field of toroid have more preferable symmetry, reduces distortion further.
In an implementation of the present embodiment, vibrating diaphragm 1 is plane diaphragm, and its edge is fixed on frame
On the medial wall of 2, mid portion is positioned at the surface of magnetic circuit system.
This implementation is by being deformed into plane diaphragm by taper cone of the prior art, it is possible to further
Reduce the thickness of speaker.
In another implementation of the present embodiment, magnetic circuit system also includes: be used for increasing voice coil loudspeaker voice coil 3 stroke
Pad 8, pad 8 is arranged on the bottom portion of groove of U ferrum 6, is placed in the lower section of cylindrical magnetic iron 5.
As in figure 2 it is shown, pad 8 is column construction, arrange with cylindrical magnetic iron 5 concentric, and pad 8
External diameter less than or equal to the external diameter of cylindrical magnetic iron 5.
This implementation, by having the cylindricality pad of certain altitude in the bottom portion of groove increase of U ferrum, increases
Add the stroke of voice coil loudspeaker voice coil, it is to avoid voice coil loudspeaker voice coil bottoming when large-amplitude vibration.
In sum, this utility model provides a kind of woofer, by bullet ripple is placed in annular magnetic
Lu Zhong, on the one hand saves the height space of speaker, significantly reduces the thickness of speaker；The opposing party
Face makes bullet ripple increase with the distance of vibrating diaphragm root, and has again voice coil loudspeaker voice coil winding section to be connected, thus plays ripple and pass through sound
The up-down vibration that vibrating diaphragm can be preferably maintained on center position by the winding section of circle, it is to avoid due to vibration partially
The distortion that difference causes；Additionally, in order to be placed in toroid by bullet ripple, need adaptability to increase U ferrum
Diameter, make the magnetic field of toroid have more preferable symmetry, reduce distortion further.
For the ease of clearly describing the technical scheme of this utility model embodiment, in the embodiment of utility model
In, have employed the printed words such as " first ", " second " to function and the essentially identical identical entry of effect or similar item
Make a distinction, it will be appreciated by those skilled in the art that the printed words such as " first ", " second " not to quantity and are held
Row order is defined.
The foregoing is only preferred embodiment of the present utility model, be not intended to limit this utility model
Protection domain.All made within spirit of the present utility model and principle any amendment, equivalent,
Improve, be all contained in protection domain of the present utility model.
Claims (5)
1. a woofer, including frame (2) be housed in the magnetic circuit that described frame (2) is internal
System and vibrational system, described magnetic circuit system is U ferrum (6), cylindrical magnetic iron (5), the first washer (41)
The toroid formed with the second washer (42), wherein the first washer (41) and the second washer (42)
Constituting the magnetic circuit gap of annular, described vibrational system includes: vibrating diaphragm (1) and voice coil loudspeaker voice coil (3), described voice coil loudspeaker voice coil
(3) it is fixed on described vibrating diaphragm (1) by the top of its winding section, and is suspended on the magnetic of described annular
In gap, road；It is characterized in that,
Described vibrational system also includes the bullet ripple (7) being placed in toroid, the outer end of described bullet ripple (7)
Being fixed on the medial wall of U ferrum (6), the inner is bonded in the bottom of voice coil loudspeaker voice coil (3) winding section.
Woofer the most according to claim 1, it is characterised in that described vibrating diaphragm (1) is
Plane diaphragm, its edge is fixed on the medial wall of described frame (2), and mid portion is positioned at described magnetic circuit
The surface of system.
Woofer the most according to claim 1, it is characterised in that described U ferrum (6) is wrapped
Including groove and sidewall, described first washer (41) includes annular fixed part (411) and annular extension (412),
Described second washer (42) is cylindricality washer；
Described cylindrical magnetic iron (5) is arranged on the center of described groove, and described second washer (42) sets
Putting on described cylindrical magnetic iron (5), the annular fixed part (411) of described first washer (41) is arranged
On the sidewall of described U ferrum (6), the annular extension (412) of described first washer (41) and institute
State the second washer (42) and constitute the magnetic circuit gap of annular.
Woofer the most according to claim 3, it is characterised in that described magnetic circuit system also wraps
Include: be used for increasing the pad (8) of voice coil loudspeaker voice coil (3) stroke；
Described pad (8) is arranged on the bottom portion of groove of described U ferrum (6), is placed in described cylindrical magnetic iron
(5) lower section.
Woofer the most according to claim 4, it is characterised in that described pad (8) is
Column construction, is arranged with described cylindrical magnetic iron (5) concentric, and the external diameter of described pad (8) is less than
Or the external diameter equal to described cylindrical magnetic iron (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620468088.4U CN205754797U (en) | 2016-05-19 | 2016-05-19 | A kind of woofer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620468088.4U CN205754797U (en) | 2016-05-19 | 2016-05-19 | A kind of woofer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205754797U true CN205754797U (en) | 2016-11-30 |
Family
ID=57361639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620468088.4U Withdrawn - After Issue CN205754797U (en) | 2016-05-19 | 2016-05-19 | A kind of woofer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205754797U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105828246A (en) * | 2016-05-19 | 2016-08-03 | 青岛歌尔声学科技有限公司 | Woofer |
| CN108737938A (en) * | 2017-04-20 | 2018-11-02 | 深圳市三诺数字科技有限公司 | A kind of dual-drive speaker device |
| CN109379681A (en) * | 2018-09-30 | 2019-02-22 | 瑞声科技(新加坡)有限公司 | Microphone device |
-
2016
- 2016-05-19 CN CN201620468088.4U patent/CN205754797U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105828246A (en) * | 2016-05-19 | 2016-08-03 | 青岛歌尔声学科技有限公司 | Woofer |
| CN105828246B (en) * | 2016-05-19 | 2019-04-02 | 青岛歌尔声学科技有限公司 | A kind of woofer |
| CN108737938A (en) * | 2017-04-20 | 2018-11-02 | 深圳市三诺数字科技有限公司 | A kind of dual-drive speaker device |
| CN108737938B (en) * | 2017-04-20 | 2024-01-23 | 深圳市三诺数字科技有限公司 | Dual-drive loudspeaker device |
| CN109379681A (en) * | 2018-09-30 | 2019-02-22 | 瑞声科技(新加坡)有限公司 | Microphone device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161130 Effective date of abandoning: 20190402 |