CN1040900A - Panel speaker - Google Patents
Panel speaker Download PDFInfo
- Publication number
- CN1040900A CN1040900A CN 88106344 CN88106344A CN1040900A CN 1040900 A CN1040900 A CN 1040900A CN 88106344 CN88106344 CN 88106344 CN 88106344 A CN88106344 A CN 88106344A CN 1040900 A CN1040900 A CN 1040900A
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- CN
- China
- Prior art keywords
- reinforcement
- speaker
- vibrating diaphragm
- voice coil
- exciting
- 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- Withdrawn
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- Diaphragms For Electromechanical Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The technology of the present invention relates to a kind of panel speaker, particularly the magnetic coil-moving speaker.The technology of the present invention is by giving the plate diaphragm reinforcement directly or indirectly, and the subregion vibration situation of vibrating diaphragm when having improved panel speaker work makes and cuts apart oscillation phenomenon and reduce significantly, thus the fidelity of having improved loud speaker.
Description
The technology of the present invention relates to a kind of loud speaker, and particularly the magnetic coil-moving speaker belongs to the electroacoustic techniques field.
The main design objective of loud speaker is the vibration of cutting apart that as far as possible reduces himself, so that improve fidelity.Thereby people mainly are to wish to reduce it to cut apart vibration to the improvement of loud speaker.Cut apart the main vibrating diaphragm of vibration from loud speaker.Because vibrating diaphragm is not ideal rigid body, therefore, when speaker operation, vibrating diaphragm removes as the single-piece piston vibration, also can or make subregion with the concentric circles partition and vibrate with partition radially.This phenomenon of cutting apart vibration that is called provides and does not wish the voice signal that occurs, has reduced the fidelity effect of loud speaker.
Panel speaker is a kind of loud speaker that development in recent years is got up, and under the condition that vibrating diaphragm weight is determined, plate diaphragm can be made significantly thicker, thereby has higher rigidity.But plate diaphragm still can't be avoided the above-mentioned vibration problem of cutting apart.For many years, people mainly solve vibrating diaphragm rigidity problem by the material that improves plate diaphragm.In addition, the honeycomb fashion vibrating diaphragm that adopts honeycomb is also arranged in the prior art.But, the complex manufacturing technology of honeycomb fashion vibrating diaphragm.In addition, overweight in order not make vibrating diaphragm, the structural material that constitutes the honeycomb fashion vibrating diaphragm as thin as a wafer, this can cause local fold or distortion, thereby influences tonequality.
A purpose of the technology of the present invention is by the improvement to the panel speaker diaphragm structure, improves the rigidity of vibrating diaphragm.
Another purpose of the technology of the present invention is by the improvement to panel speaker vibrating diaphragm and loadspeaker structure, improves vibrating diaphragm rigidity, and makes that the manufacturing process of improved loud speaker is fairly simple.
A technical solution of the technology of the present invention is as follows:
Provide a kind of by magnetic circuit system 1, voice coil loudspeaker voice coil 2, plate diaphragm 3, centring disk 4, ring 6, the panel speaker that speaker frame 7 constitutes is characterized in that plate diaphragm adopts reinforced structure.
Another technical solution of the technology of the present invention is as follows:
Provide a kind of by magnetic circuit system 1, voice coil loudspeaker voice coil 2, plate diaphragm 3, centring disk 4, ring 6, speaker frame 7 and exciting basin 5 constitute, and it is characterized in that having reinforcement on the exciting basin.
Above-mentioned the first string is by directly vibrating diaphragm being strengthened improving the rigidity of vibrating diaphragm.Above-mentioned second scheme is by indirectly vibrating diaphragm being strengthened improving the rigidity of vibrating diaphragm.
Describe the embodiment of the technology of the present invention in detail below in conjunction with accompanying drawing.The technology of the present invention has two accompanying drawings.
Fig. 1 is a kind of panel speaker schematic diagram.
Fig. 2 has the exciting basin of reinforcement and the schematic diagram that combines of plate diaphragm.
In panel speaker shown in Figure 1,1 is magnetic circuit system, and 2 is voice coil loudspeaker voice coil, and 3 is plate diaphragm, and 4 is centring disk, and 5 is the exciting basin, and 6 is ring, and 7 is speaker frame.
Magnetic circuit system, voice coil loudspeaker voice coil, centring disk, ring and speaker frame are known technology, are not repeated here.
Voice coil loudspeaker voice coil is contained in the magnetic gap of magnetic circuit system, and by being connected the centring disk centering on the speaker frame.Voice coil loudspeaker voice coil can directly contact with vibrating diaphragm, also can contact with vibrating diaphragm indirectly by a changeover portion that is referred to as the exciting basin.Shown in Fig. 1 is latter event.Vibrating diaphragm passes through the ring suspension support on speaker frame.
The embodiment of the panel speaker that the technology of the present invention is related has two classes, and the first kind is for directly strengthening vibrating diaphragm.Second class is for to strengthen vibrating diaphragm indirectly by the reinforcement on the exciting basin.The following first kind of narration earlier embodiment.
By increasing the panel speaker that reinforcement is directly strengthened vibrating diaphragm on the vibrating diaphragm: can reinforcement on the plate diaphragm.Reinforcement can be arranged on the surface of plate diaphragm, also can be as the skeleton of vibrating diaphragm.
Being arranged in the lip-deep reinforcement of plate diaphragm can arrange along hoop, can radially arrange, also can mixed-arrangement, promptly can have hoop and two kinds of reinforcements radially on the vibrating diaphragm surface simultaneously.Reinforcement can be arranged on two faces of vibrating diaphragm, also can be arranged on any one face.The lip-deep reinforcement of vibrating diaphragm can compression molding.
Reinforcement as the vibrating diaphragm skeleton is applicable to interlayer vibrating diaphragm situation.Be that plate diaphragm is a sandwich structure piece.For example, can do the vibrating diaphragm face, support by skeleton between the film, form the interlayer plate diaphragm with flat plate with the roughly the same film of two block sizes.Skeleton or constitute by many diametral ribs; Or constitute by many hoop ribs; Or add one or more hoop rib by many diametral ribs and constitute.The vibrating diaphragm of this class panel speaker can directly be connected with voice coil loudspeaker voice coil, also can not be connected with voice coil loudspeaker voice coil with the exciting basin of reinforcement by one.
Narrate the second class embodiment, the i.e. panel speaker of indirectly vibrating diaphragm being strengthened by the reinforcement on the exciting basin below:
The plate diaphragm of this class loud speaker is connected with voice coil loudspeaker voice coil by a changeover portion that is referred to as the exciting basin, has reinforcement on the exciting basin.Adopt the panel speaker of this structure, have the vibrating diaphragm of raising rigidity, simultaneously the fairly simple again advantage of manufacturing process.The magnetic circuit system of this panel speaker, voice coil loudspeaker voice coil, centring disk, ring and speaker frame are known technology.Voice coil loudspeaker voice coil is contained in the magnetic gap of magnetic circuit system, and by being connected the centring disk centering on the framework.Voice coil loudspeaker voice coil contacts with vibrating diaphragm indirectly by a changeover portion that is referred to as the exciting basin.On the framework of panel speaker, the exciting basin has reinforcement to vibrating diaphragm by the ring suspension support.
Fig. 2 represents a kind of exciting basin that has reinforcement, and plate diaphragm is installed on it.Diagram exciting basin is an approximate Frusto-conical thin walled shell.The end that its diameter is bigger has flange 8, and plate diaphragm is connected with the exciting basin by flange.Have reinforcement 9 on the exciting basin, particularly have reinforcement on the flange of exciting basin.Reinforcement on the flange makes flange have higher stiffness, thereby is contained in the reinforcement that plate diaphragm on the flange obtains flange, and its rigidity is improved.It is selected that factors such as reinforcement quantity, layout, cross sectional shape and material on the flange can be produced needs and process conditions according to loud speaker.For example, can be with radially reinforcement on the flange, ring-stiffened or radially with hoop mixing reinforcement.Reinforcement can be arranged on two faces of flange, also can be arranged on any of two faces.The cross-sectional geometry of reinforcement and size can be selected according to the design needs.For example, can select solid reinforcement or hollow reinforcement for use is the thin-wall construction reinforcement.Reinforcement can be with exciting basin die forming.The plate diaphragm of this kind structure can be with reinforcement.
Exciting basin and vibrating diaphragm can adopt paper pulp or other composite material to make.
The advantage of the technology of the present invention is to have improved the rigidity of vibrating diaphragm by giving directly or indirectly the plate diaphragm reinforcement, make vibrating diaphragm obtain subregion and strengthen, thereby when work, the diaphagras situation is greatly improved.
Claims (6)
1, a kind of panel speaker, by magnetic circuit system 1, voice coil loudspeaker voice coil 2, plate diaphragm 3, centring disk 4, ring 6 and speaker frame constitute, and it is characterized in that plate diaphragm adopts reinforced structure.
2, by the panel speaker of claim 1, it is characterized in that reinforcement is positioned at the vibrating diaphragm surface.
3, by the panel speaker of claim 1, it is characterized in that reinforcement is the skeleton of interlayer vibrating diaphragm.
4, a kind of panel speaker, by magnetic circuit system 1, voice coil loudspeaker voice coil 2, plate diaphragm 3, centring disk 4, exciting basin 5, ring 6 and speaker frame 7 constitute, and it is characterized in that having reinforcement on the exciting basin.
5,, it is characterized in that having reinforcement on the flange of exciting basin by the panel speaker of claim 4.
6, by the panel speaker of claim 5, it is characterized in that the reinforcement on the exciting basin flange is the reinforcement of thin-wall construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88106344 CN1013725B (en) | 1988-09-01 | 1988-09-01 | Plate loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88106344 CN1013725B (en) | 1988-09-01 | 1988-09-01 | Plate loudspeaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1040900A true CN1040900A (en) | 1990-03-28 |
| CN1013725B CN1013725B (en) | 1991-08-28 |
Family
ID=4834203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88106344 Expired CN1013725B (en) | 1988-09-01 | 1988-09-01 | Plate loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1013725B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008071072A1 (en) * | 2006-12-11 | 2008-06-19 | Shenzhen Languang Import & Export Co., Ltd | A vibrating diaphragm edge driving type plate loudspeaker |
| CN1780496B (en) * | 2004-11-19 | 2011-04-13 | 朱树同 | Sounding membrane board of loundspeaker and its manufacture method |
| CN103873992A (en) * | 2014-02-26 | 2014-06-18 | 谭红梅 | Method and device for improving power of loudspeaker driver |
| CN103873991A (en) * | 2014-02-26 | 2014-06-18 | 谭红梅 | Method and device for broadening frequency responding range of loudspeaker diver |
-
1988
- 1988-09-01 CN CN 88106344 patent/CN1013725B/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1780496B (en) * | 2004-11-19 | 2011-04-13 | 朱树同 | Sounding membrane board of loundspeaker and its manufacture method |
| WO2008071072A1 (en) * | 2006-12-11 | 2008-06-19 | Shenzhen Languang Import & Export Co., Ltd | A vibrating diaphragm edge driving type plate loudspeaker |
| CN103873992A (en) * | 2014-02-26 | 2014-06-18 | 谭红梅 | Method and device for improving power of loudspeaker driver |
| CN103873991A (en) * | 2014-02-26 | 2014-06-18 | 谭红梅 | Method and device for broadening frequency responding range of loudspeaker diver |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1013725B (en) | 1991-08-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |