CN2726259Y - Portable plate loudspeaker - Google Patents
Portable plate loudspeaker Download PDFInfo
- Publication number
- CN2726259Y CN2726259Y CN 200420083726 CN200420083726U CN2726259Y CN 2726259 Y CN2726259 Y CN 2726259Y CN 200420083726 CN200420083726 CN 200420083726 CN 200420083726 U CN200420083726 U CN 200420083726U CN 2726259 Y CN2726259 Y CN 2726259Y
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- CN
- China
- Prior art keywords
- frame
- speaker
- loudspeaker
- portable panel
- sheet material
- 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.)
- Expired - Fee Related
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a portable plate loudspeaker which is portable, beautiful and durable. The outer surface of a plate vibrating diaphragm of a loudspeaker is tightly abutted with a layer of mesh sheet to increase the intensity and improve the protective property, and the loudspeaker is provided with a mesh cover looking from the appearance; the mesh sheet is formed by a metallic sheeting or a non-metallic sheeting which is uniformly and densely punched; a frame of the loudspeaker is a plate structure with a frame provided with vents regularly arranged, and the bottom edge of the lower edge of the frame is fixed with antiskid material; the rear part of the frame of the loudspeaker is provided with a downward electric jack which can be plugged with a right-angle type plug with the supporting function. The total thickness of the loudspeaker is decreased through the design, the sounding efficiency of the loudspeaker is improved, and the shock-resistant property of the plate vibrating diaphragm is reinforced.
Description
Technical field
The utility model relates to Electroacooustic power conversion device, particularly relates to a kind of loud speaker, belongs to the electroacoustic techniques field.
Background technology
The vibrating diaphragm of ventional loudspeakers is tapered, is called tapered loud speaker again.On operation principle, tapered loud speaker operates mainly in the piston vibration mode, and the sound of radiation is anti-phase before and after the vibrating diaphragm, so ventional loudspeakers need be installed in the casing that a constant volume arranged usually, with acoustic radiating before and after isolated, prevent sound " short circuit ".For reaching sound performance preferably, the gauge of casing otherwise less than the bore of loudspeaker unit usually.
And panel speaker is gained the name because of its vibrating diaphragm is tabular, and vibrating diaphragm is mainly done flexural vibrations, the sound of radiation is that phase place is incoherent before and after the vibrating diaphragm, therefore panel speaker can not wanted casing and its low frequency performance is not had too big influence, simultaneously since the thickness of plate diaphragm usually much smaller than tapered thickness, so panel speaker can be designed to flat, i.e. thin speaker.
The vibrating diaphragm of panel speaker, i.e. plate material, its weight, rigidity, damping coefficients etc. have very big influence to the performance of loud speaker.The material of desirable plate diaphragm should be in light weight, and rigidity is strong.
Common plate diaphragm is a sandwich structure, as honeycomb sandwich panels, and foam sandwich, plastic hollow plate.These materials characteristics structurally are: use than thin list skin and thicker core to be composited.Because of epidermis is thinner, and more crisp, impact strength is low.After being subjected to external impacts, the surface easily presents nonvolatil indenture.
Because the area of plate diaphragm is bigger, is the major part of panel speaker.Therefore need handle the outer surface of plate diaphragm usually, with the protection plate diaphragm, and the outward appearance of beautifying panel speaker.
The processing method of the plate diaphragm of common panel speaker has: directly sprays or prints on the surface of plate diaphragm, or the applying lamellar material, as paper, metallic film or decorative plastic film etc.Another kind method is that the guard of a tool sound translative performance is installed in the place ahead of plate diaphragm, but the guard part does not contact with plate diaphragm.
The defective of these processing methods is:
1. as at the thicker material of plate diaphragm surface recombination, can increase considerably the oscillating mass of plate diaphragm, reduce phonation efficiency, also reduce the high-frequency cut-off frequency.The easy buckling deformation of sheet material has simultaneously changed the performance of sheet material, and makes that the relative position of voice coil loudspeaker voice coil in magnetic field is offset in the loud speaker, makes the distortion increasing of loud speaker.
2. as at the thin material of plate diaphragm surface recombination, be unfavorable for hiding the open defect of plate diaphragm, also be difficult to improve the shock resistance of plate diaphragm.
3. as adopting the method that guard is installed, make the complex structure of loud speaker, increase the overall weight of loud speaker, improve manufacturing cost.The guard device has certain thickness simultaneously, is unfavorable for the thin typeization of panel speaker.
Common panel speaker all has a base or strutting piece.This base or strutting piece often have heavier weight, or size is bigger, be inconvenient to carry, or complicated operation when installing and using.
Summary of the invention
The utility model provides a kind of light and handy portable panel speaker for addressing the deficiencies of the prior art.Its volume is little, and is in light weight, and installation connects easy.Attractive and durable, the sound performance excellence.
The technical solution of the utility model is: on the plate diaphragm of the loud speaker of being made up of parts such as magnetic circuit system, voice coil loudspeaker voice coil, centring disk, plate diaphragm and speaker frames, compound one deck has certain thickness mesh sheet material, to increase its intensity, improve its barrier propterty.Described mesh sheet material closely is fitted in the outer surface of plate diaphragm, has seemed a guard in appearance, has beautified its appearance.This mesh sheet material is on whole sheet metal or nonmetallic slices, and even and fine and close punching is made.The weight of sheet material alleviates greatly after the punching, is about original 1/2nd to 1/3rd.
Described speaker frame is the slab construction that has frame, has the orderly pore of intensive arrangement on its flat board, and the base of its frame lower edge is fixed with anti-slip materials such as block rubber, adhesive sticker.There is a connecting line jack at described speaker frame rear portion, and that can insert a particular design can work the plug that supports usefulness.When plug inserted the jack of speaker frame, the anti-slip material of the lower edge of speaker frame and plug constituted a supporting plane, and its effect is equivalent to base or supporting leg.
The inner surface of the described plate diaphragm place that keeps to the side, and between the speaker frame, several places cushion piece is arranged, make plate diaphragm and speaker frame keep certain interval, and be connected to each other.The function of this cushion piece is equivalent to the vibrating diaphragm ring of conventional loudspeakers.
The utility model has following beneficial effect:
1. compare with the loud speaker that adopts real guard, simple for structure, reduced processing cost, reduced the general thickness of loud speaker, help the thin typeization of panel speaker.
2. compare with the loud speaker of the membranaceous sheet material of applying condition of equivalent thickness and material, the weight of the plate diaphragm of applying mesh sheet material significantly reduces, and the phonation efficiency of loud speaker is wanted high 2～4dB.
3. compare with the membranaceous sheet material of fit equal material and weight,, strengthened the shock resistance of plate diaphragm effectively because the thickness of mesh sheet material is about the former 2～3 times.
4. the mesh sheet material has been covered the blemish of plate diaphragm, has beautified the outward appearance of panel speaker.
5. the framework of loud speaker is very thin, and overall weight is light, and is easy to carry, installs and uses simple.
Description of drawings
Fig. 1 is portable panel speaker external view;
Fig. 2 is the rearview of portable panel speaker;
Fig. 3 is the A-A profile of the portable panel speaker of Fig. 1;
Fig. 4 is the side status figure after portable panel speaker connects right angle plug.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
A kind of light and handy portable panel speaker comprises magnetic circuit system 1, voice coil loudspeaker voice coil 2, centring disk 3, plate diaphragm 4 and speaker frame 5.At the outer surface of the plate diaphragm of loud speaker, the layer thickness of closely having fitted is about 0.2 millimeter white PVC mesh sheet material 6, about 1.5 millimeters of its aperture, and adjacent holes is apart from being 2.5 millimeters.Before punching the weight of sheet material be about 300 the gram/square metre, after the punching weight of sheet material be about 120 the gram/square metre.
The material of mesh sheet material can be selected sheet metal or other nonmetallic slices for use.Can also be the knitted or woven fabrics of mesh, as make the cloth of common audio amplifier guard.
Speaker frame is designed to the rectangular slab construction that has frame, has the porosity of arranging in length and breadth 7 on the flat board.The base of its frame lower edge is fixed with two block rubbers 8, can make fulcrum and use.Between two block rubbers on base, frame lower edge, also can paste a strip double-sided adhesive, can be temporarily fixed on the usefulness of desktop.
Speaker frame can also be designed to ellipse, heart, peach shape, polygon, animal shape etc., and framework border becomes the slab construction of different graphic.
There is a downward connecting line jack 9 the magnetic circuit system shell subordinate side at speaker frame rear portion, can insert a passive perpendicular type plug 10 of energy.When right angle plug was inserted the jack of speaker frame, the lower edge of speaker frame and plug constituted a supporting plane, and its function is equivalent to base or supporting leg.
The connecting line jack of the magnetic circuit system shell subordinate side at speaker frame rear portion can also be designed to perpendicular to the frame flat board, or downward-sloping slightly.When inserting the plug of straight shape or bending, also can constitute supporting plane with the lower edge of speaker frame.
The inner surface of the plate diaphragm place that keeps to the side, and between four angles of rectangle speaker frame, a cushion piece 11 is arranged respectively, plate diaphragm and speaker frame are divided into certain distance.Two faces of cushion piece bond together with plate diaphragm and speaker frame respectively, have replaced the vibrating diaphragm ring of conventional loudspeakers.
Claims (10)
1. portable panel speaker comprises magnetic circuit system, voice coil loudspeaker voice coil, centring disk, plate diaphragm and speaker frame, it is characterized in that: the compound one deck mesh of described plate diaphragm sheet material.
2. portable panel speaker according to claim 1 is characterized in that: described mesh sheet material is fitted in the outer surface of plate diaphragm.
3. portable panel speaker according to claim 1 and 2 is characterized in that: described mesh sheet material is that even punching is made on nonmetallic slices.
4. portable panel speaker according to claim 1 and 2 is characterized in that: described mesh sheet material is that even punching is made on sheet metal.
5. portable panel speaker according to claim 1 and 2 is characterized in that: described mesh sheet material is the knitted or woven fabrics of mesh.
6. portable panel speaker according to claim 1 is characterized in that: the framework of described loud speaker is the slab construction that has frame.
7. portable panel speaker according to claim 6 is characterized in that: the flat board of described speaker frame has arranges orderly pore.
8. according to claim 1 or 6 described portable panel speakers, it is characterized in that: there is a connecting line jack at described speaker frame rear portion, and this jack inserts the plug with supporting role.
9. portable panel speaker according to claim 1 and 2 is characterized in that: the cushion piece is arranged between the inner surface place of keeping to the side of described plate diaphragm and the speaker frame.
10. portable panel speaker according to claim 8 is characterized in that: the base of the lower edge of described speaker frame is fixed with anti-slip material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420083726 CN2726259Y (en) | 2004-09-02 | 2004-09-02 | Portable plate loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420083726 CN2726259Y (en) | 2004-09-02 | 2004-09-02 | Portable plate loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2726259Y true CN2726259Y (en) | 2005-09-14 |
Family
ID=35040963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420083726 Expired - Fee Related CN2726259Y (en) | 2004-09-02 | 2004-09-02 | Portable plate loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2726259Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102348152A (en) * | 2010-07-28 | 2012-02-08 | 宝星电子股份有限公司 | Multifunctional speaker using mesh cover |
-
2004
- 2004-09-02 CN CN 200420083726 patent/CN2726259Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102348152A (en) * | 2010-07-28 | 2012-02-08 | 宝星电子股份有限公司 | Multifunctional speaker using mesh cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HU GANG Free format text: FORMER OWNER: HU GANG; PATENTEE Effective date: 20070302 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20070302 Address after: 518058 Shenzhen, Guangdong, Nanshan District, Houhai Avenue, azure coast, 25 7B Patentee after: Hu Gang Address before: 518058 Shenzhen, Guangdong, Nanshan District, Houhai Avenue, azure coast, 25 7B Co-patentee before: Zhang Yibo Patentee before: Hu Gang |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050914 Termination date: 20100902 |