CN2620452Y

CN2620452Y - Four frequency division coaxial load-speaker

Info

Publication number: CN2620452Y
Application number: CN 03231303
Authority: CN
Inventors: 李阿玉
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-05-17
Filing date: 2003-05-17
Publication date: 2004-06-09
Anticipated expiration: 2013-05-17

Abstract

Disclosed is a four-frequency coaxial loudspeaker, comprising a bass magnetic circle body, an upper conductive magnetic pole plate circle, a T iron, a cone, a voice coil, a corrugated suspension and a cone frame. The back of the T iron in the bass unit is connected with a mediant unit composed of a mediant magnetic circle body, the upper conductive magnetic pole plate circle arranged on the mediant magnetic circle body, a magnetic conductive core column, a mediant diaphragm voice coil and a back sealing cover. A bi-directional T irons is arranged in the middle of the magnetic conductive core column of the mediant unit and the lower T iron of the bi-directional T irons, a soprano magnetic coil body and a conducting magnetic pole plate coil arranged on the soprano magnetic coil body constitute the soprano unit. The utility model integrates the four frequency units of low, medium, high and super-high into one loudspeaker, which makes the structure of the magnetic circuit compact and concise, the layout reasonable and reliable, the voice range wide and the timbre full, reduces the distortions of voices articulated in the same point sound source, thereby providing another relatively ideal loudspeaker for the manufacturing of the advanced audio products.

Description

A kind of four frequency division coaxial loudspeakers

Technical field

The utility model relates to a kind of loud speaker, particularly many frequency divisions coaxial loudspeaker.

Background technology

At present, the loud speaker on the market mostly is bass or middle pitch, the discrete single audio frequency loud speaker of high pitch greatly, and the audio amplifier volume is big and heavy frequently with the whole tone of its assembling, its sound field skewness, and tone color is clear inadequately, easily distortion.Begun to occur many frequency divisions coaxial loudspeaker of a small amount of kind on the existing market, its volume is small and exquisite, and tonequality is better, and the distortion factor is less, but the structure that has still owes rationally, and manufacture craft is complicated, and quality also need is further perfect.

Summary of the invention

The purpose of this utility model, it is reasonable to provide a kind of compact conformation, easy to make, and cost is lower, and the range broadness, tone color is full, many frequency divisions of high-quality coaxial loudspeaker of high-fidelity.

The technical solution of the utility model is: it has by bass magnetosphere body, last pole-guiding borad ring, the T iron of one is made by following pole-guiding borad ring and magnetic conductive core column, the sound dish, the bass voice coil loudspeaker voice coil, ripple props up the bass unit of sheet and basin frame composition, and the T iron back side of bass unit is connected with middle pitch magnetosphere body in turn, pole-guiding borad ring on the middle pitch, the upper end of middle pitch magnetic conductive core column also is connected on the back side of bass T iron, in the sound diaphragm voice coil loudspeaker voice coil be installed on the middle pitch on the pole-guiding borad ring by its support, and make in the magnetic air gap that its voice coil loudspeaker voice coil is positioned to form between the pole-guiding borad ring inner ring face and middle pitch magnetic conductive core column outer peripheral face on the middle pitch, middle sound diaphragm voice coil loudspeaker voice coil outside is provided with the back sealing cover; Two-way T iron is installed in the centre bore of middle pitch magnetic conductive core column, on the following T iron of two-way T iron, high pitch magnetosphere body, high pitch pole-guiding borad ring are installed successively, high sound diaphragm voice coil loudspeaker voice coil is installed on the high pitch pole-guiding borad ring by its support, and make in the magnetic air gap that its voice coil loudspeaker voice coil is positioned to form between the external side face of following T iron prop of high pitch pole-guiding borad ring inner ring face and two-way T iron, high sound diaphragm voice coil loudspeaker voice coil outside is provided with the back sealing cover; On T iron on the two-way T iron, superelevation sound magnetosphere body, superelevation sound pole-guiding borad ring are installed successively, the superelevation sound diaphragm voice coil loudspeaker voice coil that its diaphragm center offers hole is installed on the superelevation sound pole-guiding borad ring by its support, and makes in the magnetic air gap that its voice coil loudspeaker voice coil is positioned to form between the external side face of last T iron prop of superelevation sound pole-guiding borad ring inner ring face and two-way T iron.Also be connected with the leading note bugle that extends to bass sound disk center district on the superelevation sound pole-guiding borad ring, the cylinder upper end of bass T iron also is connected with the leading note bugle that extends to bass sound basin center.

The utility model organically is combined in basic, normal, high, superelevation four audio units in the loud speaker, magnetic structure compactness, clear, succinct, rationally distributed reliable, easy to make, its range broadness, tone color is full, pronounces with point sound source, distortion is little, provides another comparatively ideal loud speaker for making the advanced audio product.

Description of drawings

Accompanying drawing is a general structure schematic diagram of the present utility model.

Embodiment

The utility model is basic, normal, high, superelevation four frequency division coaxial loudspeakers, its bass unit by bass magnetosphere body 7, go up pole-guiding borad ring 8, pole-guiding borad ring and magnetic conductive core column T iron 6, sound basin 11, bass voice coil loudspeaker voice coil 15, the ripple of making one props up sheet 14 and basin frame 10 is formed down; Be connected with pole-guiding borad ring 4 on middle pitch magnetosphere body 5, the middle pitch in turn at the T of bass unit iron 6 back sides, the upper end of middle pitch magnetic conductive core column 19 also is connected on the back side of T iron 6, in sound diaphragm voice coil loudspeaker voice coil 2 be installed on the middle pitch on the pole-guiding borad ring 4 by its support 3, and make in the magnetic air gap that its voice coil loudspeaker voice coil is positioned to form between the pole-guiding borad ring 4 inner ring faces and middle pitch magnetic conductive core column 19 outer peripheral faces on the middle pitch, middle sound diaphragm voice coil loudspeaker voice coil 2 outsides are provided with back sealing cover 26, and above middle pitch element has constituted middle pitch of the present utility model unit; In the centre bore of the magnetic conductive core column 19 of middle pitch unit, two-way T iron 28 is installed also, on the following T iron of two-way T iron 28, high pitch magnetosphere body 21, high pitch pole-guiding borad ring 22 are installed successively along the internal perisporium of middle pitch magnetic conductive core column 19, high sound diaphragm voice coil loudspeaker voice coil 23 is installed on the high pitch pole-guiding borad ring 22 by its support, and make in the magnetic air gap that its voice coil loudspeaker voice coil is positioned to form between the external side face of following T iron prop of high pitch pole-guiding borad ring 22 inner ring faces and two-way T iron 28, high sound diaphragm voice coil loudspeaker voice coil 23 outsides are provided with back sealing cover 24, and above element has promptly constituted voice unit of the present utility model; Superelevation sound of the present utility model unit then is made up of following element, promptly on T iron on the two-way T iron 28, superelevation sound magnetosphere body 18, superelevation sound pole-guiding borad ring 17 are installed successively along the inner peripheral surface of middle pitch magnetic conductive core column 19, the superelevation sound diaphragm voice coil loudspeaker voice coil 16 that its diaphragm center has hole is installed on the superelevation sound pole-guiding borad ring 17 by its support, and makes in the magnetic air gap that its voice coil loudspeaker voice coil is positioned to form between the external side face of last T iron prop of superelevation sound pole-guiding borad ring 17 inner ring faces and two-way T iron 28.In above-mentioned, the magnetosphere body of

bass unit

5,7 adopts ferrite permanent-magnet materials, 21,18 of the magnetosphere bodies of high pitch, superelevation sound unit adopt NdFeB rear-earth high-intensity magnetic material.The superelevation sound that superelevation sound unit produces is directed to bass sound basin 11 centers by the leading note bugle 13 that is installed on the superelevation sound pole-guiding borad ring 17 and extend to bass sound basin center; The high pitch that voice unit produces then makes progress down the stopping of sealing cover 24 thereafter, diaphragm centre bore and leading note bugle 13 through double T iron centre bore 27, superelevation sound diaphragm voice coil loudspeaker voice coil 16, be directed to bass sound basin 11 centers, in order to assemble the guiding high pitch better, also can be in high sound diaphragm, double T iron centre bore 27 apertures install high pitch phase plug 29; The middle pitch that the middle pitch unit produces stops down at

back sealing cover

26,24, crack between axial voice guide hole 20, leading note bugle 13 and the T iron 6 through offering in the middle pitch magnetic conductive core column upwards, through being installed on the leading note bugle 12 of T iron 6 cylinder upper ends, be directed to bass sound basin 11 centers again.On the basin frame 10 and sealing cover 26 outsides, back, also be separately installed with bass unit binding post 9, middle pitch unit connection post 1 and height, superelevation sound unit connection post 25.

Claims

1, a kind of four frequency division coaxial loudspeakers, have by bass magnetosphere body (17), the T iron (6) of one is made by last pole-guiding borad ring and magnetic conductive core column, sound basin (11), bass voice coil loudspeaker voice coil (15), ripple props up the bass unit of sheet (14) and basin frame (10) composition, it is characterized in that being connected with middle pitch magnetosphere body (5) in turn at the T of bass unit iron (6) back side, pole-guiding borad ring on the middle pitch (4), the upper end of middle pitch magnetic conductive core column (19) also is connected on the back side of T iron (6), middle sound diaphragm voice coil loudspeaker voice coil (2) is installed on the pole-guiding borad ring on the middle pitch (4) by its support (3), and make in the magnetic air gap that its voice coil loudspeaker voice coil is positioned to form between (4) inner peripheral surface of pole-guiding borad ring on the middle pitch and middle pitch magnetic conductive core column (19) outer peripheral face, middle sound diaphragm voice coil loudspeaker voice coil (2) outside is provided with back sealing cover (26), two-way T iron (28) is installed in the centre bore of middle pitch magnetic conductive core column (19), on the following T iron of two-way T iron (28), high pitch magnetosphere body (21) is installed successively, high pitch pole-guiding borad ring (22), high sound diaphragm voice coil loudspeaker voice coil (23) is installed on the high pitch pole-guiding borad ring (22) by its support, and its voice coil loudspeaker voice coil is positioned in the magnetic air gap that high pitch pole-guiding borad ring (22) inner ring face and two-way T iron (28) forms between the external side face of T iron prop down, high sound diaphragm voice coil loudspeaker voice coil (23) outside is provided with back sealing cover (24), on the last T iron of two-way iron (28), superelevation sound magnetosphere body (18) is installed successively, superelevation sound pole-guiding borad ring (17), the superelevation sound diaphragm voice coil loudspeaker voice coil (16) that its diaphragm center has hole is installed on the superelevation sound pole-guiding borad ring (17) by its support, and makes its voice coil loudspeaker voice coil be positioned superelevation sound pole-guiding borad ring (17) inner ring face and two-way T iron (28) to go up in the magnetic air gap that forms between the external side face of T iron prop.

2, by the described a kind of four frequency division coaxial loudspeakers of claim 1, in it is characterized in that, the magnetosphere body (5) of bass unit, (7) adopt ferrite permanent-magnet materials to make, NdFeB rear-earth high-intensity magnetic material is then adopted in high pitch, the magnetosphere body (21) of superelevation sound unit, (18).

3, by the described a kind of four frequency division coaxial loudspeakers of claim 1, it is characterized in that being connected with on the superelevation sound pole-guiding borad ring (17) the leading note bugle (13) that extends to bass sound basin (11) center.

4,, it is characterized in that in high sound diaphragm, double T iron centre bore (27) is equipped with high pitch phase plug (29) in the aperture down by claim 1 or 3 described a kind of four frequency division coaxial loudspeakers.

5, by the described a kind of four frequency division coaxial loudspeakers of claim 1, it is characterized in that the cylinder upper end of bass T iron (6) is connected with the leading note bugle (12) that extends to bass sound basin (11) center.