KR20080085468A - Speaker - Google Patents

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Publication number
KR20080085468A
KR20080085468A KR1020070027064A KR20070027064A KR20080085468A KR 20080085468 A KR20080085468 A KR 20080085468A KR 1020070027064 A KR1020070027064 A KR 1020070027064A KR 20070027064 A KR20070027064 A KR 20070027064A KR 20080085468 A KR20080085468 A KR 20080085468A
Authority
KR
South Korea
Prior art keywords
coupled
curved
speaker
frame
edge
Prior art date
Application number
KR1020070027064A
Other languages
Korean (ko)
Inventor
박준호
윤혁준
Original Assignee
에스텍 주식회사
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 에스텍 주식회사 filed Critical 에스텍 주식회사
Priority to KR1020070027064A priority Critical patent/KR20080085468A/en
Priority claimed from JP2007282963A external-priority patent/JP2008236717A/en
Publication of KR20080085468A publication Critical patent/KR20080085468A/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
    • H04R1/28Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807Enclosures comprising vibrating or resonating arrangements
    • H04R1/2811Enclosures comprising vibrating or resonating arrangements for loudspeaker transducers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/02Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12Non-planar diaphragms or cones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/16Mounting or tensioning of diaphragms or cones
    • H04R7/18Mounting or tensioning of diaphragms or cones at the periphery
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06Loudspeakers

Abstract

A speaker is disclosed. The speaker has a coupling protrusion formed on the horizontal flange of the frame, and the inner surface of one end side of the curved portion of the edge is coupled to the surface of the coupling protrusion facing the outside of the frame. Therefore, since the diameter of the sound generating portion including the edges is increased, the reproduction performance in the mid range and the low range is improved.

Description

Speaker {SPEAKER}

1 is a cross-sectional view showing a schematic configuration of a conventional speaker.

2 is a sectional view of a speaker according to a first embodiment of the present invention;

3 is an enlarged view of a portion “A” of FIG. 2.

Figure 4 is a view showing a coupling structure of the frame and the sound generating unit according to a second embodiment of the present invention.

5a and 5b are views showing a coupling structure of the frame and the sound generating unit according to the third and fourth embodiments of the present invention.

6A and 6B are views illustrating a coupling structure of a frame and an acoustic generator according to fifth and sixth embodiments of the present invention.

7A and 7B illustrate a coupling structure of a frame and a sound generating unit according to seventh and eighth embodiments of the present invention.

Explanation of symbols on the main parts of the drawings

110: frame 111: horizontal flange

113: receiving portion 115: engaging projection

130: sound generating unit 131: edge

135: diaphragm 140: voice coil

The present invention relates to a speaker.

A speaker is an acoustic device that converts an electrical signal into vibration of a diaphragm to generate a small density wave in the air to radiate sound waves.

1 is a view showing a schematic configuration of a conventional speaker, it will be described.

As shown, the upper surface is opened, and the case-shaped frame 10 in which the through hole 11 is formed is provided at the center of the bottom surface. A horizontal flange 13 and a vertical flange 15 extending from the horizontal flange 13 are formed at the upper end side of the frame 10, and the sound generating unit 20 is coupled to the horizontal flange 13.

In detail, the sound generating unit 20 is formed in a ring shape and the outer circumferential surface side is coupled to the horizontal flange 13, the edge 21 is provided in a ring shape and the outer circumferential surface side is coupled to the inner circumferential surface side of the edge 21 ( 25). Thus, when the voice coil vibrates by an electromagnetic force generated between the magnetic circuit unit (not shown) coupled to the frame 10 of the through hole 11 and the voice coil 30 coupled to the inner circumferential surface of the diaphragm 25, the sound is vibrated. The generator 20 reproduces sound while vibrating.

 Among the reproduction bands of the sound reproduced by the speaker, the reproduction performance in the mid range and the low range is determined by the area of the sound generator 20, that is, the diameter of the sound generator 20.

However, in the conventional speaker as described above, since the outer circumferential side of the edge 21 is coupled to the entire horizontal flange 13, the portion of the sound generating unit 20 of the edge 21 coupled to the horizontal flange 13 is equal to that of the speaker 21. The diameter becomes shorter. Due to this, there is a disadvantage in that the regeneration performance in the mid range and the low range is reduced.

In order to solve the above-mentioned disadvantages, Korean Patent Application No. 2003-7009605 combines the outer circumferential surface of the skirt 16a of the surround-suspension 16 to the inner circumferential surface of the upper end side of the basket 10, "a speaker surround structure to maximize the cone diameter." Is disclosed.

However, since the outer surface of the skirt 16a is bonded to the inner surface of the basket 10, the "speaker surround structure for maximizing the cone diameter" is a portion of the skirt 16a of the basket 10 and the surround-suspension 16. It is inconvenient to compress and adhere to each other, and when the vibration direction of the surround-suspension 16 is considered, there is a fear that the surround-suspension 16 may fall.

The present invention has been made to solve the above problems of the prior art, an object of the present invention is to provide a speaker that can improve the playback performance in the mid-range and low-range.

Speaker according to the present invention for achieving the above object, the ring-shaped horizontal flange, the receiving portion extending downward from the inner peripheral surface of the horizontal flange, the frame having a coupling protrusion protruding on the edge portion of the horizontal flange; An acoustic generator including an edge having a curved surface portion extending from one side to the surface of the coupling protrusion facing the outer side of the frame and a flat portion extending from the other side of the curved portion, and an outer circumferential surface side coupled to the flat portion; A magnetic circuit part coupled to the receiving part and generating a magnetic force; It is coupled to the diaphragm and provided with a voice coil for vibrating the sound generating unit while vibrating by the action of the magnetic circuit unit when the power is applied.

Hereinafter, a speaker according to embodiments of the present invention will be described in detail with reference to the accompanying drawings.

2 is a cross-sectional view of a speaker according to a first exemplary embodiment of the present invention, and FIG. 3 is an enlarged view of portion “A” of FIG. 2.

As shown, the speaker according to the first embodiment of the present invention extends downward from the inner circumferential surface of the ring-shaped horizontal flange 111 and the horizontal flange 111 to form a case shape and the through hole 113a at the center portion side. It has a formed receiving portion 113.

A plate 121 provided in a ring shape is coupled to a bottom surface of the receiving portion 113 outside the through hole 113a, and a magnet 123 is coupled to a bottom surface of the plate 121, and a yoke is formed on a bottom surface of the magnet 123. 125) are combined. The yoke 125 protrudes upward from the edge portion 125a coupled to the bottom of the magnet 123 and from the center of the edge portion 125a to penetrate the magnet 123 and the plate 121. Have The plate 121, the magnet 123, and the yoke 125 form a magnetic circuit unit 120 that generates a magnetic force.

An acoustic generator 130 having an edge 131 and a diaphragm 135 is coupled to an upper side of the magnetic circuit unit 120.

The edge 131 has a ring shape and has a curved portion 132 having an arc-shaped cross section convex upward of the frame 110 and a flat portion 133 extending from the inner circumferential surface side of the curved portion 132. The diaphragm 135 is provided in a cone shape in which a coupling hole is formed in the center portion, and the outer circumferential surface side thereof is coupled to the flat portion 133.

And, the voice coil 140 is coupled to the diaphragm 135, the voice coil 140 is the outer peripheral surface of the upper side is coupled to the inner peripheral surface of the coupling hole of the diaphragm 135 and the lower side and the protrusion 125b of the yoke 125 It has a bobbin 141 located between the plate 121 and a coil 145 wound on the outer peripheral surface of the lower side of the bobbin 141. Thus, when external power is supplied to the coil 145, the voice coil 140 vibrates in the vertical direction by the electromagnetic force generated between the coil 145 and the magnetic circuit unit 120 to vibrate the sound generating unit 130. And the sound is reproduced.

The lower side of the sound generating unit 130 is coupled to the outer peripheral surface side frame 110, the inner peripheral surface side is provided with a ring-shaped damper 150 coupled to the bobbin 141. The damper 150 prevents the voice coil 140 from flowing from side to side when the voice coil 140 vibrates, thereby preventing the sound generator 130 from flowing from side to side.

In addition, a cap 160 for preventing foreign matter from flowing into the inside of the voice coil 140 is coupled to the upper side of the voice coil 140, and a terminal plate 170 is installed at one side of the outer surface of the frame 110. The other side of the tinsel wire 175, one side of which is connected to the coil 145, is connected to the terminal plate 170, and the coil 145 receives external power through the tinsel wire 175.

In order to improve the reproduction performance in the band, mid and low range of the sound reproduced by the speaker, the area of the sound generator 130, that is, the diameter of the sound generator 130 should be long. The speaker according to the present embodiment is provided in a structure capable of increasing the diameter of the sound generator 130.

In detail, the trapezoidal engaging protrusion 115 is formed on the upper edge portion of the horizontal flange 111 of the frame 110, and the edge 131 is formed on the surface of the engaging protrusion 115 facing the outside of the frame 110. One side of the inner surface of the curved portion 132 is coupled. Then, the diameter of the sound generating unit 130 is increased by the length from the coupling protrusion 115 to the inner circumferential surface of the horizontal flange 111 as compared with the conventional speaker, thereby improving the reproduction performance in the mid range and the low range.

When the curved portion 132 of the edge 131 is pressed toward the engaging protrusion 115, the curved portion 132 can be pressed onto the engaging protrusion 115 and adhered thereto, which is convenient. In addition, even when the acoustic generator 130 vibrates, the curved portion 132 is more tightly adhered to the coupling protrusion 115, so that the edge 131 may not fall from the coupling protrusion 115.

At this time, the surface of the coupling protrusion 115 to which the curved portion 132 of the edge 131 is coupled is formed to be inclined in the form of narrowing toward the upper side.

4 is a view illustrating a coupling structure of a frame and a sound generating unit according to a second exemplary embodiment of the present invention, and illustrates only differences from FIG. 3.

As shown, the surface of the coupling protrusion 215 to which the curved portion 232 of the edge 231 is coupled is vertically formed, and the portion of the curved portion 232 coupled to the coupling protrusion 215 is a protrusion 232a. A) is formed.

5A and 5B illustrate a coupling structure between a frame and an acoustic generator according to third and fourth exemplary embodiments of the present invention, and illustrate only differences between FIGS. 3 and 4.

As shown, vertical extension portions 332b and 432b are formed at one end side of the curved portions 332 and 432 of the edges 331 and 431 located outside the coupling protrusions 115 and 215. . The vertical extension parts 332b and 432b are coupled to the product when the speaker installs the product.

6A and 6B illustrate a coupling structure of the frame and the sound generator according to the fifth and sixth embodiments of the present invention, and only the differences from FIGS. 3 and 4 will be described.

As shown, the fixing member 190 is erected on the horizontal flanges 111 and 211 outside the curved portions 132 and 232 of the edges 131 and 231. The fixing member 190 is coupled to the product when the product is installed in the speaker.

7A and 7B illustrate a coupling structure of the frame and the sound generator according to the seventh and eighth embodiments of the present invention, and only the differences from FIG. 4 will be described.

As shown in FIG. 7A, a horizontal extension portion 532c is formed at one end of the curved portion 532 of the edge 531, and the horizontal extension portion 532c is positioned horizontally outside the coupling protrusion 215. Is coupled to the flange 211. In addition, the fixing member 190 stands on the horizontal extension part 532c. Such a configuration can also be configured in the first embodiment according to FIG. 3.

As illustrated in FIG. 7B, a seating groove 632d is formed at one end of the curved portion 632 of the edge 631, and a fixing member 190 is inserted into the seating groove 632d so as to stand up. Such a configuration can also be configured in the first embodiment according to FIG. 3.

As described above, the speaker according to the present invention is formed with a coupling protrusion on the horizontal flange of the frame, the inner surface of one end side of the curved portion of the edge is coupled to the surface of the coupling protrusion facing the outside of the frame. Therefore, since the diameter of the sound generating portion including the edges is increased, the reproduction performance in the mid range and the low range is improved.

In the above, the present invention has been described in accordance with one embodiment of the present invention, but those skilled in the art to which the present invention pertains have been changed and modified without departing from the spirit of the present invention. Of course.

Claims (7)

A ring-shaped horizontal flange, a receiving portion extending downward from an inner circumferential surface of the horizontal flange, and a frame having a coupling protrusion protruding from the edge portion of the horizontal flange; An acoustic generator including an edge having a curved surface portion extending from one side to the surface of the coupling protrusion facing the outer side of the frame and a flat portion extending from the other side of the curved portion, and an outer circumferential surface side coupled to the flat portion; A magnetic circuit part coupled to the receiving part and generating a magnetic force; And a voice coil coupled to the diaphragm to vibrate the sound generating unit while vibrating by the action of the magnetic circuit unit when the power is applied. The method of claim 1, The surface of the coupling projection to which the curved portion is coupled is characterized in that the inclined in a narrow shape toward the upper side. The method of claim 1, The surface of the coupling protrusion to which the curved portion is coupled is formed vertically, Speaker portion, characterized in that the protruding portion is coupled to the coupling projection. The method of claim 2 or 3, Speakers, characterized in that the vertical extension is formed on one end side of the curved portion. The method of claim 2 or 3, The horizontal flange outside the curved portion, characterized in that the fixing member is standing up. The method of claim 2 or 3, A horizontal extension portion is formed at one end side of the curved portion, The horizontal extension portion of the speaker characterized in that the fixing member is standing up. The method of claim 2 or 3, A seating groove is formed at one end of the curved portion, The mounting groove is a speaker characterized in that the mounting member is inserted and coupled to the mounting groove.
KR1020070027064A 2007-03-20 2007-03-20 Speaker KR20080085468A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020070027064A KR20080085468A (en) 2007-03-20 2007-03-20 Speaker

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020070027064A KR20080085468A (en) 2007-03-20 2007-03-20 Speaker
JP2007282963A JP2008236717A (en) 2007-03-20 2007-10-31 Speaker
US11/933,852 US20080232634A1 (en) 2007-03-20 2007-11-01 Speaker with sound generation part of large area

Publications (1)

Publication Number Publication Date
KR20080085468A true KR20080085468A (en) 2008-09-24

Family

ID=40025187

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020070027064A KR20080085468A (en) 2007-03-20 2007-03-20 Speaker

Country Status (1)

Country Link
KR (1) KR20080085468A (en)

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E902 Notification of reason for refusal
E601 Decision to refuse application