JP3193406U - Multi-ring coaxial same sound source speaker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a multi-ring coaxial same sound source speaker for expanding a range in which an electric voice unit can be electrically adjusted. A multi-ring coaxial same sound source speaker includes a mid-high tone vocalization unit 2, a first low tone vocalization unit 15, and a second low tone vocalization unit 16. The mid-high range vocalization unit 2 has a mid-high range vibration sound source point and a wiring board 22. The first bass vocalization unit 15 is coaxially fitted in the positioning space of the second bass vocalization unit 16, and the mid-high tone vocalization unit 2 is coaxially fitted in the positioning space of the first bass vocalization unit 15. The first bass vocalization unit 15, the second bass vocalization unit 16, and the mid-high tone vocalization unit 2 are coaxially provided. The low-pitched vibration sound source point of the first low-pitched vocalization unit 15, the low-pitched vibration sound source point of the second low-pitched vocalization unit 16, and the mid-high-pitched vibration sound source point of the mid-high-pitched vocalization unit 2 are aligned at a horizontal height. [Selection diagram] Fig. 1

Description

  The present invention relates to the technical field of a speaker utterance unit, and in particular, a plurality of bass utterance units are coaxially fitted to the outside of a middle / high tone utterance unit, and a bass vibration sound source point of the plurality of bass utterance units and a middle / high tone utterance unit The present invention relates to a multi-ring coaxial same sound source speaker in which a vibration sound source point is aligned at a horizontal height, and a plurality of sets of low sound producing units and a set of medium and high sound producing units simultaneously output sound.

Since conventional earphones or speaker boxes output sound from one speaker sound unit, it is difficult to output sound with a wide frequency band, and part of the mid-high sound is lost when the volume of the bass is increased. was there.
Further, in order to output sound having a wide frequency band, it is necessary to attach a large number of utterance units in the earphone main body or speaker box. However, independent low sound utterance units and middle / high sound utterance units are provided in the earphone main body or speaker box. When the is attached, there is a possibility that the occupied volume becomes large and the volume of the earphone or the speaker box becomes large.

  The purpose of the present invention is to reduce the volume of the entire speaker by coaxially fitting a plurality of bass utterance units to the outside of the middle / high tone utterance unit, and horizontally uttering vibration sound source points of the plurality of bass utterance units and the middle / high tone utterance unit. The object is to provide a multi-ring coaxial sound source speaker that is arranged at a height and expands the range in which the voice unit can be electrically adjusted.

  In order to solve the above problems, according to a first aspect of the present invention, a multi-ring coaxial same sound source speaker comprising a middle / high tone utterance unit, a first bass utterance unit, and a second bass utterance unit, The middle / high pitch sound generation unit has a medium / high pitch vibration sound source point and a wiring board, and the first low sound sound unit has a positioning space, a vibration sound board, a wiring board, and a low frequency vibration sound source point, The bass utterance unit has a positioning space, a vibration utterance board, a wiring board, and a bass vibration sound source point, and the first bass utterance unit is coaxially fitted in the positioning space of the second bass utterance unit. In the positioning space of the first bass utterance unit, the middle / high tone utterance unit is coaxially fitted, and the first bass utterance unit, the second bass utterance unit, and the middle / high tone A voice unit is provided coaxially, the bass vibration sound source point of the first bass sound generation unit, the bass vibration sound source point of the second bass sound generation unit, and the medium / high sound vibration sound source point of the middle / high sound production unit And a multi-ring coaxial same sound source speaker characterized by being aligned at a horizontal height.

  The medium and high-pitched sound utterance unit is a circular electromagnetic iron piece utterance unit, a rectangular electromagnetic iron piece vibration utterance unit, a movable wire ring utterance unit, a ribbon type utterance unit, a piezoelectric ceramic utterance piece member, a piezoelectric ceramic utterance piece joint utterance vibration membrane, or a semiconductor. A chip utterance unit is preferred.

  A connection between the first bass utterance unit and the second bass utterance unit includes a first magnetic shield ring that separates the magnetic field of the first bass utterance unit from the magnetic field of the second bass utterance unit. And a second magnetic-shielding ring that separates the magnetic field of the first bass sound unit and the magnetic field of the middle / high sound unit at a connection point between the first bass sound unit and the middle / high sound sound unit. It is preferable that it is disposed.

  The first bass utterance unit or the second bass utterance unit includes an annular magnetic base, a first annular magnet and a second annular magnet, a first annular magnetic ring, and a second annular magnetic body. The ring-shaped magnetic base includes a ring, the vibration sounding plate, and the wiring board. The annular magnetic base has a hollow positioning space at the center and a housing space having a top surface opening at the main body. And an outer peripheral wall and an inner peripheral wall forming the top surface opening, wherein the first annular magnet is disposed on an inner peripheral wall of the annular accommodating space and adhered to the inner peripheral wall, and the second annular magnet Is disposed on the outer peripheral wall of the annular housing space and adhered to the outer peripheral wall, and a magnetic gap is formed between the first annular magnet and the second annular magnet. The annular magnetic ring is fixed to the upper surface of the first annular magnet. The second annular magnetic ring is fixed to an upper surface of the second annular magnet, the vibration sounding plate includes an annular diaphragm, an external pressure edge and an internal pressure edge, and the external pressure edge is the vibration Fixed to the outer peripheral edge of the plate, the inner pressure edge is fixed to the inner peripheral edge of the diaphragm, the outer pressure edge is connected to an end of the outer peripheral wall of the annular magnetic base, and the inner pressure edge is Connected to the end of the inner peripheral wall of the magnetic base, seals the annular magnetic base at the opening, and connects the voice coil under the annular diaphragm. The voice coil is inserted into the magnetic gap formed between the first annular magnet and the second annular magnet, and the wiring substrate is formed on the outer bottom surface of the magnetic base. And the voice coil leader is fixed It is preferred that the.

  The first bass utterance unit or the second bass utterance unit includes an annular magnetic body base, an annular magnet, an annular magnetic body ring, the vibration utterance board, and the wiring board, and the annular magnetic body. The base has a hollow positioning space in the center, a housing space having a top surface opening is formed in the main body portion, and includes an outer peripheral wall and an inner peripheral wall forming the top surface opening, and the annular magnet is The housing space is disposed between an inner peripheral wall and an outer peripheral wall of the housing space, and the housing space is divided into a first magnetic gap and a second magnetic gap, and the annular magnetic ring is formed on an upper surface of the annular magnet. The diaphragm is fixed, and the diaphragm includes an annular diaphragm, an outer pressure edge and an inner pressure edge, the outer pressure edge is fixed to the outer peripheral edge of the diaphragm, and the inner pressure edge is fixed to the inner peripheral edge of the diaphragm. The location adjacent to the inner periphery of the diaphragm The first voice coil is connected, the first bass vibration sound source point is formed at the connection location, the second voice coil is connected at the location adjacent to the outer periphery, and the connection location is Is formed with a second bass vibration sound source point, the vibration voice plate is connected and fixed to the opening of the magnetic base, the outer pressure edge is coupled to the outer peripheral wall of the magnetic base, and the inner pressure edge is Coupled to the inner peripheral wall, the diaphragm is positioned in the opening of the housing space, the opening is sealed, and the first voice coil is inserted into the first magnetic gap of the magnetic body base; The second voice coil is inserted into the second magnetic gap of the magnetic base, and the annular magnet is positioned between the first voice coil and the second voice coil. , Outside of the magnetic base Coupled to a surface, the lead line of the first voice coil and the second voice coil are preferably fixed.

  The first bass utterance unit or the second bass utterance unit includes a magnetic base, an annular magnet, an annular magnetic ring, a vibration utterance board, and a wiring board, and the magnetic base is The body has a hollow positioning space, and an auxiliary magnetic body coupling space and a voice coil working space adjacent to each other are formed in the main body, and a partition wall is formed between the auxiliary magnetic body coupling space and the voice coil working space. The annular magnet has surfaces that are in a relationship of front and back, and one surface is fixed in the voice coil working space of the magnetic body base and is attached to the voice coil working space. A magnetic gap is formed between the annular magnet and the partition, the annular magnetic ring is fixed to the other surface of the annular magnet, and the annular magnetic ring An opening is formed in the magnetic material base, the vibration voice generating plate includes an annular diaphragm, the voice coil is connected to the annular diaphragm, and the voice coil and the annular diaphragm A low-frequency vibration sound source point is formed at the connection location, and the vibration sounding plate is connected and fixed to an opening formed by the magnetic base and the annular magnetic ring to seal the opening, and the voice A coil is inserted into the voice coil working space of the magnetic base, and is positioned in the magnetic gap of the voice coil working space, and the wiring board is a bottom outer wall surface of the voice coil working space of the magnetic base It is preferable that the leader of the voice coil is fixed.

  It is preferable that the auxiliary magnetic body coupling space of the magnetic body base is formed at a location adjacent to the positioning space, and the voice coil operating space is formed at a location away from the positioning space.

  It is preferable that the auxiliary magnetic body coupling space of the magnetic body base is formed at a location adjacent to the positioning space, and the voice coil operating space is formed at a location away from the positioning space.

  It is preferable that an auxiliary magnetic body is connected to the auxiliary magnetic body coupling space of the magnetic body base.

  An air volume damper network that is bonded to the outer wall surface of the bottom surface of the magnetic base and adjusts an air flow rate of the chamber by blocking a vent hole, and is connected to the first bass sound unit and the middle / high sound sound unit, A first dust-proof protective cover having a first low-pitched sound output hole for outputting the sound of the first low-pitched sound unit; and a sound of the second low-pitched sound unit connected to the second low-pitched sound unit. And a second dustproof protective cover having a second low-pitched sound output hole, and the medium / high-pitched sound production unit preferably has a medium / high-tone sound output hole for outputting the sound of the medium / high-pitched sound production unit. .

  The multi-ring coaxial sound source speaker of the present invention has a plurality of bass utterance units coaxially fitted to the outside of the middle / high tone utterance unit to reduce the volume of the entire speaker, and the utterance between the plurality of bass utterance units and the middle / high tone utterance unit. By arranging the vibration sound source points at a horizontal height, the range in which the voice unit can be electrically adjusted can be expanded.

It is a disassembled perspective view which shows the multi-ring coaxial same sound source speaker which concerns on one Embodiment of this invention. It is a front perspective view showing a multi-ring coaxial same sound source speaker according to an embodiment of the present invention. It is a rear perspective view showing a multi-ring coaxial same sound source speaker according to an embodiment of the present invention. It is a figure which shows the mid-high-pitched sound production | generation unit of the multi-ring coaxial same sound source speaker which concerns on one Embodiment of this invention. It is a figure which shows the mid-high-pitched sound production | generation unit of the multi-ring coaxial same sound source speaker which concerns on one Embodiment of this invention. It is a figure which shows the mid-high-pitched sound production | generation unit of the multi-ring coaxial same sound source speaker which concerns on one Embodiment of this invention. It is a figure which shows the mid-high-pitched sound production | generation unit of the multi-ring coaxial same sound source speaker which concerns on one Embodiment of this invention. It is a figure which shows the mid-high-pitched sound production | generation unit of the multi-ring coaxial same sound source speaker which concerns on one Embodiment of this invention. It is a figure which shows the mid-high-pitched sound production | generation unit of the multi-ring coaxial same sound source speaker which concerns on one Embodiment of this invention. It is a figure which shows the mid-high-pitched sound production | generation unit of the multi-ring coaxial same sound source speaker which concerns on one Embodiment of this invention. It is a disassembled perspective view which shows the multi-ring coaxial same sound source speaker which concerns on other embodiment of this invention. It is a front perspective view which shows the multi-ring coaxial same sound source speaker which concerns on other embodiment of this invention. It is a back perspective view which shows the multi-ring coaxial same sound source speaker which concerns on other embodiment of this invention. It is sectional drawing which shows the single voice coil bass sound production | generation unit of the multi-ring coaxial same sound source speaker which concerns on one Embodiment of this invention. It is sectional drawing which shows the dual voice coil bass sound output unit of the multi-ring coaxial same sound source speaker which concerns on one Embodiment of this invention. It is a cross-sectional perspective view showing a single voice coil bass sound generation unit of a multi-ring coaxial same sound source speaker according to another embodiment of the present invention. It is a cross-sectional perspective view showing a single voice coil bass sound generation unit of a multi-ring coaxial same sound source speaker according to another embodiment of the present invention. It is a cross-sectional perspective view showing a single voice coil bass sound generation unit of a multi-ring coaxial same sound source speaker according to another embodiment of the present invention. It is a cross-sectional perspective view showing a single voice coil bass sound generation unit of a multi-ring coaxial same sound source speaker according to another embodiment of the present invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited thereby.

  Please refer to FIG. As shown in FIGS. 1 to 3, the multi-ring coaxial same sound source speaker according to an embodiment of the present invention includes a plurality of bass sound output units and a medium / high sound output unit 2. Note that the two bass utterance units of the present embodiment are merely the best mode, and the present invention is not limited to this. As long as two or more bass utterance units are used, the utility model registration request of the present invention is within the scope of the claims. included.

  The multi-ring coaxial same sound source speaker according to an embodiment of the present invention includes a first bass utterance unit 15 and a second bass utterance unit 16. Hollow positioning spaces 151 and 161 are formed at the center of the first bass utterance unit 15 and the second bass utterance unit 16, and the first bass utterance unit 15 is positioned in the second bass utterance unit 16. 161 is coaxially fitted, and the middle / high tone utterance unit 2 is coaxially fitted into the positioning space 151 of the first bass utterance unit 15, so that the middle / high tone utterance unit 2, the first bass utterance unit 15, and the second bass sound are mixed. The utterance unit 16 is provided coaxially.

Reference is made to FIG. 4A. As shown in FIG. 4A, the middle / high tone utterance unit 2 is a circular electromagnetic iron piece utterance unit, and has a middle / high tone vibration sound source point 21 and a wiring board 22 installed at the bottom, and a middle / high pitch sound output hole 12. Is formed. The sound of the middle / high pitch sound production unit 2 is output from the middle / high pitch sound output hole 12.
As shown in FIGS. 4B to 4G, the middle and high-pitched sound utterance unit 2 includes a rectangular electromagnetic iron moving sound unit 2a (see FIG. 4B), a movable linear ring utterance unit (moving-vocal). coil sound unit) 2b (see FIG. 4C), ribbon-type sound unit 2c (see FIG. 4D), piezoelectric ceramic sound piece component 2d (see FIG. 4E) Piezo-ceramic sound piece adjoining another vibrating vocal tone diaphragm 2e Figure 4F reference), it may be a semiconductor chip utterance unit (semiconductor chip sound unit) 2f (see FIG. 4G).
As shown in FIGS. 4B to 4G, the middle and high tone sound production units 2 a to 2 f include a middle and high tone wiring board 22 and a middle and high tone vibration sound source point 21. A sound output hole is not formed on the semiconductor chip sound generation unit 2f in FIG. 4G, and a medium / high sound output hole 12 is formed on the other medium / high sound output units 2a to 2f. The above-described middle and high tone utterance unit 2 is merely a preferred embodiment and, of course, does not limit the scope of the utility model registration request of the present invention.

Please refer to FIG. 5-7, unlike FIGS. 1-3, the 1st magnetic-shield ring 71 is installed in the connection location of the 1st bass utterance unit 15 and the 2nd bass utterance unit 16. FIG. A second magnetic shield ring 72 is installed at a connection location between the first bass utterance unit 15 and the middle / high tone utterance unit 2.
The first magnetic shield ring 71 and the second magnetic shield ring 72 have a structure similar to a sleeve. The first magnetic shield ring 71 has the first bass utterance unit 15 inserted therein, and the positioning space 161 of the second bass utterance unit 16 is fixed to the outside. The magnetic field of the bass utterance unit 15 and the magnetic field of the second bass utterance unit 16 are divided. The second magnetic shield ring 72 has the middle / high sound utterance unit 2 inserted therein, and the outside is connected to the hollow positioning space 151 of the first low sound utterance unit 15. The structure is divided into the magnetic field of the utterance unit 15 and the magnetic field of the middle / high tone utterance unit 2, and the other structures are the same as those shown in FIGS.

Reference is made to FIGS. The first bass utterance unit 15 or the second bass utterance unit 16 of the present embodiment is a diagram showing a single voice coil bass utterance unit. The first bass utterance unit 15 or the second bass utterance unit 16 includes the annular magnetic base 3.
The central portion of the annular magnetic base 3 is formed in the hollow positioning space 151 or the hollow positioning space 161. A housing space 32 having a top surface opening 325 is formed in the main body portion of the annular magnetic base 3. The body portion of the annular magnetic base 3 includes an outer peripheral wall 322 and an inner peripheral wall 323 in which a top surface opening 325 is formed, and a bottom surface 326 is formed on the other surface away from the top surface opening 325. A vent hole 321 is formed in the bottom surface 326.

A first annular magnet 501 and a second annular magnet 502 are positioned in the accommodation space 32 of the annular magnetic base 3. The area of the first annular magnet 501 is smaller than that of the second annular magnet 502. The sectional width and height of the first annular magnet 501 and the second annular magnet 502 are smaller than the sectional width and height of the accommodation space 32.
The bottom surfaces of the first annular magnet 501 and the second annular magnet 502 are fixed to the bottom surface 326 of the accommodation space 32. The first annular magnet 501 is attached to the inner peripheral wall 323 of the accommodation space 32. The second annular magnet 502 is attached to the outer peripheral wall 322 of the accommodation space 32, and a magnetic gap 328 is formed in the accommodation space 32 between the first annular magnet 501 and the second annular magnet 502. .

  The first annular magnetic ring 601 is bonded to the upper surface of the first annular magnet 501, and the second annular magnetic ring 602 is bonded to the upper surface of the second annular magnet 502, and the annular magnet 501, 502, the first annular magnetic body ring 601 and the second annular magnetic body ring 602 are accommodated and positioned in the accommodation space 32 of the annular magnetic body base 3. The first annular magnetic body ring 601 and the second annular magnetic body ring 602 do not protrude from the top surface opening 325 of the annular magnetic body base 3.

On the top surface opening 325 of the annular magnetic base 3, the vibration voice board 9 is coupled. The vibration voice plate 9 includes an annular outer pressure edge 901, an annular diaphragm 902 and an annular inner pressure edge 903. The annular diaphragm 902 has an outer peripheral edge and an inner peripheral edge. An annular outer pressure edge 901 is fixed on the outer peripheral edge, an annular inner pressure edge 903 is fixed on the inner peripheral edge, and a voice coil 8 is connected under the annular diaphragm 902.
The voice coil 8 is located between the annular outer pressure edge 901 and the annular inner pressure edge 903, and a bass vibration sound source point 1301 is formed at a connection point between the voice coil 8 and the annular diaphragm 902. An annular outer pressure edge 901 is fixed to the outer peripheral wall 322 of the top surface opening 325 of the annular magnetic base 3, the annular inner pressure edge 903 is fixed to the inner peripheral wall 323 of the annular magnetic base 3, and the voice coil 8 is attached to the annular magnetic base. 3 is positioned in the magnetic gap 328 formed in the first annular magnet 501 and the second annular magnet 502, and the vibration sounding plate 9 defines the accommodation space 32 of the annular magnetic body base 3. The top opening 325 is sealed.

Please refer to FIGS. 1-3, 5-7 and FIG. As shown in FIGS. 1-3, 5-7 and 9, the first bass utterance unit 15 or the second bass utterance unit 16 is a dual voice coil bass utterance unit. As shown in FIG. 7 and FIG. 9, the first bass utterance unit 15 or the second bass utterance unit 16 has a dual magnetic gap mechanism and includes an annular magnetic base 3.
The central part of the annular magnetic base 3 is a hollow positioning space 151 or a hollow positioning space 161. A housing space 32 having a top surface opening 325 is formed in the main body portion of the annular magnetic base 3. The main body portion of the annular magnetic base 3 includes the outer peripheral wall 322 and the inner peripheral wall 323 in which the above-described top surface opening 325 is formed, and the other surface apart from the top surface opening 325 is formed on the bottom surface 326 and on the bottom surface 326. A vent hole 321 is formed on the front side.

An annular magnet 503 is positioned in the accommodation space 32 of the annular magnetic base 3. One surface of the annular magnet 503 is fixed on the bottom surface 326 of the accommodation space 32, and the annular magnetic ring 603 is bonded to the other end. The annular magnet 503 and the annular magnetic body ring 603 are accommodated in the accommodating space 32 of the annular magnetic body base 3, and the annular magnetic body ring 603 is not exposed from the top surface opening 325 of the annular magnetic body base 3. The cross-sectional width and height of 503 are smaller than the accommodating space 32, and the annular magnet 503 separates the accommodating space 32 into a first magnetic gap 324 and a second magnetic gap 327, and the top surface opening of the annular magnetic base 3 is opened. On the 325, the vibration voice board 9 is coupled.
The vibration voice plate 9 includes an annular outer pressure edge 901, an annular diaphragm 902 and an annular inner pressure edge 903. The annular diaphragm 902 has an outer peripheral edge and an inner peripheral edge. An annular external pressure edge 901 is fixed on the outer peripheral edge. An annular inner pressure edge 903 is fixed on the inner peripheral edge, a first voice coil 801 is connected to a position near the inner peripheral edge of the annular diaphragm 902, and a second voice coil 802 is connected to a position close to the outer peripheral edge. Are connected, and two inner and outer voice coils are formed on the annular diaphragm 902.
The first voice coil 801 is an inner ring, and the second voice coil 802 is an outer ring. A first low-frequency vibration sound source point 1302 is formed at a connection point between the first voice coil 801 and the annular diaphragm 902, and a second connection point between the second voice coil 802 and the annular diaphragm 902 is provided at the second part. The low-frequency vibration sound source point 1303 is formed. An annular outer pressure edge 901 of the vibration sounding plate 9 is fixed to the outer peripheral wall 322 of the top surface opening 325 of the annular magnetic base 3, and the annular inner pressure edge 903 is fixed to the inner peripheral wall 323 of the annular magnetic base 3. The voice coil 801 is positioned in the first magnetic gap 324 of the annular magnetic base 3, the second voice coil 802 is positioned in the second magnetic gap 327 of the annular magnetic base 3, and the annular magnet 503 is the first magnetic gap 327. Positioned between the voice coil 801 and the second voice coil 802, the top opening 325 of the accommodation space 32 of the annular magnetic base 3 is sealed by the vibration voice plate 9.

Please refer to FIG. As shown in FIG. 10, in the multi-ring coaxial same sound source speaker according to an embodiment of the present invention, the cross section of the magnetic base 3a of the first bass utterance unit 15 or the second bass utterance unit 16 is Z-shaped. Present. The first bass utterance unit 15 or the second bass utterance unit 16 is a single magnetic gap mechanism.
A first magnetic shield ring 71 is disposed at a connection point between the first bass utterance unit 15 and the second bass utterance unit 16, and the magnetic field of the first bass utterance unit 15 is changed by the first magnetic shield ring 71. The magnetic field of the second bass utterance unit 16 is separated, and the first bass utterance unit 15 and the second bass utterance unit 16 are provided coaxially. A second magnetic shield ring 72 is disposed at a connection location between the first bass utterance unit 15 and the middle / high tone utterance unit 2. The magnetic field of the first bass utterance unit 15 and the middle / high tone utterance unit 2 is separated by the second magnetic shield ring 72, and the first bass utterance unit 15 is coaxially fitted to the outside of the middle / high tone utterance unit 2.

The first bass utterance unit 15 or the second bass utterance unit 16 includes a magnetic base 3a. Central portions of the magnetic base 3a are hollow positioning spaces 151 and 161. The main body portion of the magnetic base 3a is an auxiliary magnetic body coupling space 3261 and a voice coil operating space 3262 that are adjacent to each other. A partition 3264 is provided between the auxiliary magnetic body coupling space 3261 and the voice coil working space 3262, and the cross section of the magnetic body base 3 a is substantially Z-shaped. On the coupling surface 3263 of the voice coil working space 3262, A vent hole 321a is formed.
The auxiliary magnetic body coupling space 3261 of the magnetic base 3a in FIG. 10 is close to the hollow positioning spaces 151 and 161, and the voice coil operating space 3262 is separated from the hollow positioning spaces 151 and 161.

  On the coupling surface 3263 of the voice coil working space 3262 of the magnetic base 3a, an annular magnet 504 is fixedly coupled. The sectional width and height of the annular magnet 504 are smaller than the sectional width and height of the voice coil working space 3262. The annular magnet 51 is attached to the auxiliary magnetic body coupling space 3261 away from the voice coil working space 3262, the width of the annular magnet 51 is smaller than the voice coil working space 3262, and the voice coil working space 3262 is filled with the annular magnet 504. The magnetic gap 328a is held in the partition 3264 close to the auxiliary magnetic material coupling space 3261.

  The annular magnetic ring 604 is bonded to the top end surface of the annular magnet 504, and accommodates and positions the annular magnet 504 and the annular magnetic ring 604 in the voice coil operating space 3262 of the magnetic base 3a.

An opening 325 a is formed between the magnetic base 3 a and the annular magnetic ring 604. A vibration voice board 9 is coupled to the opening 325a. The vibration voice plate 9 includes an annular outer pressure edge 901, an annular diaphragm 902 and an annular inner pressure edge 903. The annular diaphragm 902 has an outer peripheral edge and an inner peripheral edge. An annular outer pressure edge 901 is fixed on the outer peripheral edge, an annular inner pressure edge 903 is fixed on the inner peripheral edge, and the voice coil 8 is connected on the annular diaphragm 902. The voice coil 8 is located between the annular outer pressure edge 901 and the annular inner pressure edge 903. A bass vibration sound source point 1301 is provided at a connection point between the voice coil 8 and the annular diaphragm 902.
The annular outer pressure edge 901 and the annular inner pressure edge 903 of the vibration voice board 9 are respectively attached to the inner edge and the outer edge of the opening 325a of the magnetic base 3a, and the voice coil 8 is a voice coil working space of the magnetic base 3a. 3262, and positioned in the magnetic gap 328a between the annular magnet 504 and the partition wall 3264, the vibration sounding plate 9 seals the opening 325a of the magnetic base 3a.

  The annular magnet 504 forms a magnetic field, and a magnetic conducting action is generated by the annular magnetic ring 604. The voice coil 8 forms a magnetic gap circuit, obtains a magnetic conduction action by the magnetic base 3a, obtains a ventilation action through the ventilation hole 321a, and generates an air flow generated by the vibration of the vibration voice board 9 through the ventilation hole. 321a is discharged. The voice coil operating space 3262 is exposed from one side of the annular magnet 51, and a strong magnetic gap magnetic force can be obtained.

Please refer to FIG. FIG. 11 is a partial cross-sectional view showing a multi-ring coaxial sound source speaker according to an embodiment of the present invention. As shown in FIG. 5, the auxiliary magnetic body 505 is fixedly coupled on the auxiliary magnetic body coupling space 3261.
The area of the auxiliary magnetic body 505 is smaller than the annular magnet 504. The cross-sectional width and height of the auxiliary magnetic body 505 are smaller than the cross-sectional width and height of the voice coil working space 3262 and are coupled via the auxiliary magnetic body 505. Since the magnetic base 3a has a magnetic conducting effect, Can be increased. Since other structures are the same as those in FIG. 10, they will not be repeated here.

  Please refer to FIG. FIG. 12 is different from FIG. 10 in that the voice coil operating space 3262 is located at a location adjacent to the hollow positioning spaces 151 and 161 and the auxiliary magnetic body coupling space 3261 is located at a location away from the hollow positioning spaces 151 and 161. However, although it has a cross-sectional shape facing the opposite direction to the magnetic base 3a in FIG. 10, the other structure is the same as that in FIG.

  Please refer to FIG. In FIG. 13, the auxiliary magnetic body 505 is fixedly coupled on the auxiliary magnetic body coupling space 3261 away from the hollow positioning spaces 151 and 161, and the effect as shown in FIG. 11 can be obtained in the same manner. The other structures are the same as those in FIG. 11, and will not be repeated here.

Further, the annular diaphragm 902 of the first bass utterance unit 15 and the second bass utterance unit 16 of each embodiment described above may be made of a composite film material. The annular diaphragm 902 is made of a material such as a polymer plastic, a polymer plastic fiber, an organic fiber, or a mineral matter, and the mineral includes a metal, a rock, a mineral, Glass is included, and at least one of thin film molding and braided-type punching molding may be employed.
As for the shape of the annular outer pressure edge 901 or the annular inner pressure edge 903, the circular shape is adopted as the best mode in this embodiment, but of course, it is not limited to the circular shape, and is not limited to the circular shape. Other geometric shapes may be used.

  Moreover, the wiring board 4 is bonded onto the bottom outer wall surface of the annular magnetic bases 3 and 3a of the above-described embodiments. An electrical circuit is formed on the wiring substrate 4 by welding the lead wires of the voice coils 8, 801, and 802.

  The middle / high pitch sound production unit 2 of each embodiment described above is coupled into the hollow positioning space 151 of the first low sound production unit 15 via a connecting means. For the connection means, a method such as adhesion or fitting may be adopted, and the first bass utterance unit 15 and the middle / high tone utterance are fitted by fitting the first bass utterance unit 15 outside the middle / high tone utterance unit 2. The unit 2 and the first bass utterance unit 15 may be connected to the second bass utterance unit 16 and the first bass utterance unit 15 by using a method such as adhesion and fitting. The second bass utterance unit 16 is fitted to the outside of the unit 15, and the bass vibration sound source point 1301 or the bass vibration sound source points 1302 and 1303 of the first bass utterance unit 15 and the bass vibration of the second bass utterance unit 16. Since the sound source point 1301 or the bass vibration sound source points 1302 and 1303 and the middle / high tone sound source point 21 of the middle / high sound utterance unit 2 are aligned at a horizontal height, the electrical adjustment range of the utterance unit is expanded, and the multi-ring It can be the same sound source speaker and outputs a high-in-the-middle sound and outputs the bass.

  The magnetized wiring board 22 of the medium / high-pitched sound production unit 2 and the magnetized wiring boards 4 of the first low-pitched sound production unit 15 and the second low-pitched sound production unit 16 are electrically connected via a signal cable (signal cable). The

  Further, the air volume damper net 1 is bonded onto the bottom outer wall surface of the annular magnetic base 3 of each of the above-described embodiments. The air volume damper network 1 covers the vent holes 321, 321a and is used to adjust the air flow rate in the accommodation space 32 of the annular magnetic base 3 and the voice coil working space 3262 of the magnetic base 3a.

  In addition, the first dustproof protection cover 10 is disposed on the first bass utterance unit 15 of each of the above-described embodiments, and the second dustproof protection cover 20 is disposed above the second bass utterance unit 16. Is arranged. The sound of the first bass utterance unit 15 is output from the first bass sound output hole 11 of the first dustproof protection cover 10, and the voice of the second bass utterance unit 16 is output of the second dustproof protection cover 20. The sound output from the second bass sound output hole 201 is output from the middle / high sound output hole 12.

  Further, the above-described embodiment can be applied to various speaker products or earphone products. Earphone products include inner-ear, canal, neckband and headband types.

  The preferred embodiments of the present invention have been disclosed as described above so that those skilled in the art can understand them, but these do not limit the present invention in any way. Various changes and modifications can be made without departing from the spirit and scope of the present invention. Accordingly, the scope of the utility model registration claim of the present invention should be broadly interpreted including such changes and modifications.

DESCRIPTION OF SYMBOLS 1 Air volume damper network 2 Middle and high-pitched sound utterance unit 2a Square electromagnetic iron piece vibration utterance unit 2b Movable wire ring type utterance unit 2c Ribbon type utterance unit 2d Piezoelectric utterance piece member 2e Annular magnetic base 3a Magnetic base 4 Wiring board 8 Voice coil 9 Vibration voice board 10 First dust protection cover 11 First low-pitched sound hole 12 Middle and high-pitched sound hole 15 First low-pitched sound unit 16 Second Bass utterance unit 20 Second dustproof protective cover 21 Middle and high tone vibration sound source point 22 Wiring board 32 Housing space 51 Annular magnet 71 First magnetic shield ring 72 Second magnetic shield ring 151 Hollow positioning space 161 Hollow positioning space 201 Second Low sound output hole 321 vent hole 321a vent hole 322 outer peripheral wall 323 inner peripheral wall 324 first magnetic gap 325 Top opening 325a Opening 326 Bottom 327 Second magnetic gap 328 Magnetic gap 328a Magnetic gap 501 First annular magnet 502 Second annular magnet 503 Ring magnet 504 Ring magnet 505 Auxiliary magnetic body 601 First ring magnetic body Ring 602 Second ring magnetic ring 603 Ring magnetic ring 604 Ring magnetic ring 801 First voice coil 802 Second voice coil 901 Ring outer pressure edge 902 Ring diaphragm 903 Ring inner pressure edge 1301 Bass vibration sound source point 1302 Bass Vibration sound source point 1303 Second bass vibration sound source point 3261 Auxiliary magnetic body coupling space 3262 Voice coil working space 3263 Coupling surface 3264

Claims (10)

A multi-ring coaxial same sound source speaker comprising a middle / high tone utterance unit, a first bass utterance unit, and a second bass utterance unit,
The middle / high pitch sound production unit has a middle / high pitch vibration sound source point and a wiring board,
The first bass utterance unit has a positioning space, a vibration utterance board, a wiring board, and a bass vibration sound source point,
The second bass utterance unit has a positioning space, a vibration utterance board, a wiring board, and a bass vibration sound source point,
The first bass utterance unit is coaxially fitted in the positioning space of the second bass utterance unit, and the middle / high tone utterance unit is coaxial in the positioning space of the first bass utterance unit. Fitted, and the first bass utterance unit, the second bass utterance unit and the middle / high tone utterance unit are provided coaxially,
The bass vibration sound source point of the first bass utterance unit, the bass vibration sound source point of the second bass utterance unit, and the middle / high tone vibration sound source point of the middle / high tone utterance unit are aligned at a horizontal height. Characterized by the
Multi-ring coaxial same sound source speaker.   The medium and high-pitched sound utterance unit is a circular electromagnetic iron piece utterance unit, a rectangular electromagnetic iron piece vibration utterance unit, a movable wire ring utterance unit, a ribbon type utterance unit, a piezoelectric ceramic utterance piece member, a piezoelectric ceramic utterance piece joint utterance vibration membrane, or a semiconductor. The multi-ring coaxial same sound source speaker according to claim 1, wherein the multi-ring coaxial sound source speaker is a chip utterance unit. A connection between the first bass utterance unit and the second bass utterance unit includes a first magnetic shield ring that separates the magnetic field of the first bass utterance unit from the magnetic field of the second bass utterance unit. Arranged,
A second magnetic-shielding ring that divides the magnetic field of the first bass utterance unit and the magnetic field of the middle / high tone utterance unit is disposed at a connection portion between the first bass utterance unit and the middle / high tone utterance unit. The multi-ring coaxial same sound source speaker according to claim 1, wherein: The first bass utterance unit or the second bass utterance unit includes an annular magnetic base, a first annular magnet and a second annular magnet, a first annular magnetic ring, and a second annular magnetic body. Including a ring, the vibration voice board, and the wiring board,
The annular magnetic base has a hollow positioning space at the center, an accommodation space having a top surface opening is formed in the main body portion, and includes an outer peripheral wall and an inner peripheral wall forming the top surface opening,
The first annular magnet is disposed on an inner peripheral wall of the annular accommodating space and attached to the inner peripheral wall, and the second annular magnet is disposed on an outer peripheral wall of the annular accommodating space. A magnetic gap is formed between the first annular magnet and the second annular magnet.
The first annular magnetic ring is fixed to the upper surface of the first annular magnet, the second annular magnetic ring is fixed to the upper surface of the second annular magnet,
The diaphragm includes an annular diaphragm, an outer pressure edge, and an inner pressure edge. The outer pressure edge is fixed to an outer peripheral edge of the diaphragm, and the inner pressure edge is fixed to an inner peripheral edge of the diaphragm. The edge is connected to the end of the outer peripheral wall of the annular magnetic base, the inner pressure edge is connected to the end of the inner peripheral wall of the annular magnetic base, and seals the annular magnetic base at the opening. The voice coil is connected under the annular diaphragm, and a low-frequency vibration sound source point is formed at the connection location, and is formed between the first annular magnet and the second annular magnet. The voice coil is inserted into the magnetic gap,
2. The multi-ring coaxial sound source speaker according to claim 1, wherein the wiring board is coupled to an outer bottom surface of the magnetic base, and a lead wire of the voice coil is fixed. The first bass utterance unit or the second bass utterance unit includes an annular magnetic base, an annular magnet, an annular magnetic ring, the vibration utterance board, and the wiring board.
The annular magnetic base has a hollow positioning space at the center, and an outer peripheral wall and an inner peripheral wall that form the top surface opening and a housing space having a top surface opening in the main body portion,
The annular magnet is disposed between an inner peripheral wall and an outer peripheral wall of the housing space, and the housing space is divided into a first magnetic gap and a second magnetic gap,
The annular magnetic ring is fixed to an upper surface of the annular magnet;
The diaphragm includes an annular diaphragm, an outer pressure edge, and an inner pressure edge. The outer pressure edge is fixed to an outer peripheral edge of the diaphragm, and the inner pressure edge is fixed to an inner peripheral edge of the diaphragm. A first voice coil is connected to a location adjacent to the inner peripheral edge of the plate, the first bass vibration sound source point is formed at the connection location, and a second voice is connected to the location adjacent to the outer peripheral edge. A coil is connected, and a second bass vibration sound source point is formed at the connection location;
The diaphragm is coupled and fixed to the opening of the magnetic base, the outer pressure edge is coupled to the outer peripheral wall of the magnetic base, the inner pressure edge is coupled to the inner peripheral wall, and the diaphragm is the housing space. The opening is sealed, the first voice coil is inserted into the first magnetic gap of the magnetic base, and the second magnetic gap of the magnetic base is inserted into the second magnetic gap. A second voice coil is inserted to position the annular magnet between the first voice coil and the second voice coil;
2. The multi-ring coaxial according to claim 1, wherein the wiring board is coupled to an outer bottom surface of the magnetic base, and leads of the first voice coil and the second voice coil are fixed. Same sound source speaker. The first bass utterance unit or the second bass utterance unit includes a magnetic base, an annular magnet, an annular magnetic ring, a vibration utterance board, and a wiring board.
The magnetic body base has a hollow positioning space in the center, and an auxiliary magnetic body coupling space and a voice coil working space adjacent to each other are formed in the main body portion, and the auxiliary magnetic body coupling space and the voice coil working space are formed. A partition wall is provided between
The annular magnet has front and back surfaces, and one surface is fixed in the voice coil working space of the magnetic base, and is attached to the voice coil working space from the partition wall. A magnetic gap is formed between the annular magnet and the partition;
The annular magnetic ring is fixed to the other surface of the annular magnet, and an opening is formed in the annular magnetic ring and the magnetic base.
The vibration voice generation plate includes an annular diaphragm, the voice coil is connected to the annular diaphragm, and a bass vibration sound source point is formed at a connection point between the voice coil and the annular diaphragm, A vibration voice board is connected and fixed to an opening formed by the magnetic base and the annular magnetic ring to seal the opening, and the voice coil is in the voice coil working space of the magnetic base. Inserted and positioned in the magnetic gap of the voice coil working space;
2. The multi-ring coaxial sound source according to claim 1, wherein the wiring board is coupled to a bottom outer wall surface of the voice coil working space of the magnetic base, and a lead wire of the voice coil is fixed. Speaker. The auxiliary magnetic body coupling space of the magnetic body base is formed at a location adjacent to the positioning space,
The multi-ring coaxial sound source speaker according to claim 6, wherein the voice coil working space is formed at a location away from the positioning space. The auxiliary magnetic body coupling space of the magnetic body base is formed at a location adjacent to the positioning space,
The multi-ring coaxial sound source speaker according to claim 6, wherein the voice coil working space is formed at a location away from the positioning space.   The multi-ring coaxial same sound source speaker according to claim 7 or 8, wherein an auxiliary magnetic body is connected to the auxiliary magnetic body coupling space of the magnetic body base. An air volume damper network that is adhered to the outer wall surface of the bottom surface of the magnetic body base and that regulates the air flow rate of the chamber by blocking the vent hole;
A first dust-proof protective cover having a first low-frequency sound output hole connected to the first low-frequency sound unit and the middle-high sound sound unit, and outputting the sound of the first low-frequency sound unit;
A second dust-proof protective cover having a second low sound output hole connected to the second low sound output unit and outputting the sound of the second low sound output unit;
The multi-ring coaxial sound source speaker according to any one of claims 4 to 6, wherein the middle / high pitch sound generation unit has a medium / high pitch sound output hole for outputting the sound of the middle / high pitch sound generation unit.

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