CN2922350Y

CN2922350Y - Loudspeaker tone tuning piece

Info

Publication number: CN2922350Y
Application number: CN 200620118742
Authority: CN
Inventors: 柯惠馨
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-06-19
Filing date: 2006-06-19
Publication date: 2007-07-11
Anticipated expiration: 2016-06-19

Abstract

The utility model relates to a loudspeaker tone tuning piece which is for being arranged at the hole location in a loudspeaker for adjusting the airflow of a hole and the pressure in the front and back air chamber of a loudspeaker so as to change the resonance frequency of the loudspeaker and make the audio performance of a sound out of the loudspeaker to meet the requirement; the utility model can provide with a flaky or filmy tone tuning piece, the tone tuning piece to be processed is provided with a hole in certain diameter which is smaller than that of the sound hole and air outlet originally arranged on the loudspeaker, which can reduce the dimensions of the sound hole and the air outlet after being attached, the audio and acoustic properties produced by the loudspeaker can be adjusted to effectively meet an acoustic property range required by the product.

Description

Loud speaker tuning sheet

Technical field

The utility model relates to a kind of loud speaker tuning sheet, and in order to adjust audio frequency and the acoustic characteristic that loud speaker goes out sound, particularly a kind of demihull shape can directly be covered on loud speaker, effectively to dwindle the loud speaker tuning sheet of its each hole to constant aperture.

Background technology

The application of loud speaker is very extensive, and size according to its size, has different purposes again respectively, the large-scale loud speaker of using as sound equipment, generally be called loudspeaker again, small-sized loud speaker then is applied to earphone etc., loud speaker is according to the difference of its audio frequency, also be divided into many types, as high pitch, middle pitch, low high, supper bass, gamut or the like, and the high low-response of its voiceband, except the size of audio amplifier itself have straight close indirectly, the sender of loudspeaker has also been played the part of considerable role, see also Fig. 1, be to be an existing Microspeaker 10 (the earphone monomer that promptly is commonly called as) shown in the figure, as shown in FIG., its a plurality of senders 101 generally are the mode moulding with punching, promptly form a plurality of senders 101 on the sheet metal, because the processing of punching moulding, need machine-tool and mould to arrange in pairs or groups, and with at present, the processing mode of punched holes type, the aperture of its open-work of going out, minimum only can reach about 0.5mm～0.6mm aperture, if need more small aperture, then can't reach, and because the pore size of sender 101, the pass is to affect the audio frequency usefulness of sound when representing, if the sender that the specific demand aperture is arranged is (when being demand or a certain aperture during less than 0.5mm or when becoming given shape, earphone is one) time, then obviously present punching processing is to be beyond one's reach, so, the mode that solves is as shown in FIG. at present, it is on the surface of sender 302, cover the adhesive-bonded fabric 102 or the sponge of last layer tool open-work again, the characteristic of this type material is the gas permeability with appropriateness, that is be formed with a plurality of air-vent 1021 crossovers on its body, and the aperture of this air-vent 1021 is littler than sender 101, after full wafer covers, (please refer to shown in Figure 2, among the figure existing enforcement schematic diagram), use the aperture of modifying sender 101, be sound when sending, still need and see through the air-vent 1021 of adhesive-bonded fabric 102 again, so by sender 101, can modify and adjust former acoustic characteristic, only, the open-work 1021 of adhesive-bonded fabric 102 (or sponge) is though can reach the purpose that audio frequency is adjusted, yet, the open-work aperture and the count of this type of material institute moulding differ, if need more accurate audio frequency and acoustic characteristic adjustment, then this type of material obviously can't be reached accurate audio frequency adjustment purpose.

Summary of the invention

Because above-mentioned demand is considered, the inventor is through studying intensively, understand in airborne variation at sound, and the processing and the structure of sender researched and developed in many ways, the purpose of this utility model is to provide a kind of can precisely control the sender aperture, makes audio frequency and acoustic characteristic can reach the loud speaker tuning sheet of demanding criteria.

To achieve these goals, the utility model provides a kind of loud speaker tuning sheet, be the inseparable lamellar body of one, described lamellar body forms open-work, and described lamellar body is to be covered on the plane of hole of loud speaker, the described open-work aperture of described lamellar body is the aperture less than the described hole of described loud speaker.

The utility model also provides a kind of loud speaker tuning sheet, be the inseparable lamellar body of one, it is characterized in that: described lamellar body forms a plurality of open-works, described lamellar body is to be covered on each hole plane of loud speaker, the described open-work aperture of described lamellar body is the aperture less than described each hole of described loud speaker.

The utility model loud speaker tuning sheet, be one-body molded by thermoplastic shaping or metal material, it is in the form of sheets or membranaceous lamellar body, the lamellar body center is according to actual demand, form the open-work of a special pore size distribution, this lamellar body is can be for the sender that directly is covered on loud speaker, after pasting, the script sender can be hidden and go some, the new tunnel that provides sound to spread out of then is provided the open-work that the tuning sheet is less, that is has dwindled the aperture of sender originally, so, can change audio frequency and acoustic characteristic that whole loud speaker is sounded, and because this loud speaker tuning sheet is to be moulding in advance, so, it is consistent that the aperture of its open-work can reach, and also can reach precisely,, can make adjusted audio frequency and acoustic characteristic also reach unanimity and meet the standard of demand so be applied to the adjustment in the aperture of sender, again, with the manufacturing technology of machine-shapings such as present thermoplastic processing or powder metallurgy, all suitable maturation, so, than in existing punching processing, and be suitable for making the tuning sheet of this type.

Understand content of the present invention in order to know, only collocation diagram in the following instructions please be consulted.

Description of drawings

The existing Microspeaker of Fig. 1;

The existing enforcement schematic diagram of Fig. 2;

The stereo appearance figure of Fig. 3 the utility model loud speaker tuning sheet;

Fig. 4 preferred embodiment one of the present utility model;

Fig. 5 another preferred embodiment two of the present utility model;

Fig. 6 another preferred embodiment three of the present utility model;

Fig. 7 another preferred embodiment four of the present utility model.

Description of reference numerals: 10 Microspeakers; 101 senders; 102 adhesive-bonded fabrics; 1021 air-vents; 20 loud speaker tuning sheets; 201 lamellar bodies; 202 open-works; 30 loud speakers; 301 senders; 302 go out the sound pore; 303 magnet fixation structures; 304 go out the sound pore; 40 loud speaker tuning sheets; 401 lamellar bodies; 402 open-works; 50 loud speaker tuning sheets; 501 lamellar bodies; 502 open-works.

Embodiment

See also Fig. 3, it shown in the figure stereo appearance figure for the utility model loud speaker tuning sheet 20, as shown in FIG., this loud speaker tuning sheet 20 is in the form of sheets, the center of lamellar body 201 is to form an open-work 202, the aperture of this open-work 202 is definite when making, and described lamellar body 201 is on the plane of the hole that is covered on loud speaker 30 (can be sender or go out the sound pore), described open-work 202 apertures of described lamellar body 201, it is aperture less than the described hole of described loud speaker 30, described lamellar body 201 is shaped to film like, for asking easily manufactured and precision machining, is to utilize plastic shaping, the metal powder metallurgy moulding or metal stamping formed be best processing mode, it is the thickness of laminar lamellar body 201, also can be on demand and when making, determine, the thicker sheet of moulding for example, or be shaped to thin membranaceous.

See also Fig. 4, be to be preferred embodiment one of the present utility model shown in the figure, as shown in FIG., loud speaker tuning sheet 20 is the modes that can paste, monolithic pastes on a sender 301 of a loud speaker 30, after pasting, as shown in FIG., sender 301 larger aperture originally that is pasted is gone partly by screening, and the open-work 201 of loud speaker tuning sheet 20 then becomes the new tunnel of sound, so, promptly effectively dwindled the former aperture of sender 301, because the aperture of the open-work 201 of loud speaker tuning sheet 20 has consistency, so after all senders 301 are pasted fully, it is consistent that its audio frequency and acoustic characteristic also are, except that sender 301 is dwindled, also reach the purpose of audio frequency and acoustic characteristic unanimity simultaneously, again, also can be by the loud speaker tuning sheet of the different pore sizes of multi-disc, paste each sender respectively, reach the demand that audio frequency and acoustic characteristic are adjusted, again at loud speaker, also can be covered on sender with multilayer on demand.

See also Fig. 5, it shown in the figure another preferred embodiment two for the utility model loud speaker tuning sheet, loud speaker tuning sheet 40 as shown in FIG., its lamellar body 401 is in the form of sheets, form a plurality of open-works 402 on the lamellar body, this kind loud speaker tuning sheet 40 is to be covered on the sender plane of a loud speaker by whole face, its globality is better, and implementation process is more simple and easy, that is, the size of this tone tablet 40 of raising one's voice, be that size according to a loud speaker is customized, so, disposablely paste processing and can finish as long as carry out, lamellar body 401 can completely be covered in the plane of whole

loud speaker

30, and 402 of each open-works can be corresponding to each sender 301 of loud speaker 30.

See also Fig. 6, be to be another preferred embodiment three of the present utility model shown in the figure, loud speaker 30 as shown in the figure, it is formed with a plurality of sound pores 302 that go out behind, these several go out the certain degree of influence sound pore 302 also has to(for) audio frequency, so, the utility model loud speaker tuning sheet also can be applicable to this, loud speaker tuning sheet 50 as shown in FIG., it is to cooperate loud speaker 30 to go out the shape of sound pore 302, so its lamellar body 501 in the form of a ring, lamellar body 501 edge ring-types are formed with a plurality of open-works 502, are the layings that goes out sound pore 302 that its integral body meets loud speaker, as shown in FIG., lamellar body 501 can make the aperture that respectively goes out sound pore 302 be contracted to same apertures after complete pasting, and then reaches the effect of effective control audio.

See also Fig. 7, be to be another preferred embodiment four of the present utility model shown in the figure, loud speaker 30 as shown in FIG., its rear lateral portion is to have riveted joint that one magnet fixation structure 303 is arranged, the riveted joint position forms another and goes out sound pore 304, this goes out sound pore 304 and also can use the utility model loud speaker tuning sheet to paste, or loud speaker this adjust the purpose of (saturating, let out) tolerance as reaching, and have the back procedure of this pore space structure as the same.

From the above, the utility model is the tuning sheet that utilizes regularization, remedy the aperture that punch process can't be made, make the sender of loud speaker can be by effective limit, and, consistency because of tuning sheet aperture, make the sender after pasting, can produce the consistent and stable audio frequency of acoustic characteristic, so, the effective consistency of control loudspeaker audio frequency then, in view of the above as can be known, the utility model is after it implements according to this, and can reach really provides a kind of and can precisely control the sender aperture, makes audio frequency can reach the purpose of the loud speaker tuning sheet of demanding criteria.

The above is a preferred embodiment of the present utility model only, is not in order to limit the scope that the utility model is implemented; Any those skilled in the art not breaking away from the equalization variation of being done under spirit of the present utility model and the scope and modification, all should be covered by in the claim of the present utility model.

Claims

1. loud speaker tuning sheet, be the inseparable lamellar body of one, it is characterized in that: described lamellar body forms open-work, and described lamellar body is to be covered on the plane of hole of loud speaker, the described open-work aperture of described lamellar body is the aperture less than the described hole of described loud speaker.

2. loud speaker tuning sheet as claimed in claim 1 is characterized in that: described hole is a sender.

3. loud speaker tuning sheet as claimed in claim 1 is characterized in that: described hole is for going out the sound pore.

4. loud speaker tuning sheet as claimed in claim 1, it is characterized in that: described lamellar body is shaped to film like.

5. loud speaker tuning sheet as claimed in claim 1, it is characterized in that: described lamellar body is by plastic shaping, is the inseparable body of one.

6. loud speaker tuning sheet as claimed in claim 1 is characterized in that: described lamellar body is the inseparable body of one by the metal powder metallurgy moulding.

7. loud speaker tuning sheet as claimed in claim 1 is characterized in that: described lamellar body is the inseparable body of one by metal stamping formed.

8. loud speaker tuning sheet, be the inseparable lamellar body of one, it is characterized in that: described lamellar body forms a plurality of open-works, and described lamellar body is to be covered on each hole plane of loud speaker, the described open-work aperture of described lamellar body is the aperture less than described each hole of described loud speaker.

9. loud speaker tuning sheet as claimed in claim 8 is characterized in that: described hole is a sender.

10. loud speaker tuning sheet as claimed in claim 8 is characterized in that: described hole is for going out the sound pore.

11. loud speaker tuning sheet as claimed in claim 8, it is characterized in that: described lamellar body is shaped to film like.

12. loud speaker tuning sheet as claimed in claim 8, it is characterized in that: described lamellar body is by plastic shaping, is the inseparable body of one.

13. loud speaker tuning sheet as claimed in claim 8 is characterized in that: described lamellar body is the inseparable body of one by the metal powder metallurgy moulding.

14. loud speaker tuning sheet as claimed in claim 8 is characterized in that: described lamellar body is the inseparable body of one by metal stamping formed.

1 5. loud speaker tuning sheets as claimed in claim 8, it is characterized in that: described lamellar body in the form of a ring.