TWI751069B - Double-sided vibrating speaker - Google Patents

Abstract

A double-sided vibration speaker includes a magnetic return component, a first vibration component and a second vibration component. The magnetic return component includes a main magnetic unit, a first magnetic conductive unit and a second magnetic conductive unit. The main magnetic unit has a main magnetic plate and two side magnetic conductive plates. The main magnetic plate has ventilation holes, and each side magnetic conductive plate is arranged on the main magnetic plate On both sides of the magnet plate, the main magnet unit forms an H shape. The first vibrating element is arranged on one surface of the magnetic regenerative element, and the second vibrating element is arranged on the other surface of the magnetic regenerative element. In this way, the double-sided vibration speaker of the present invention can have the effect of two-way sound generation under the condition of unchanged size, so as to improve the output volume and bass, and the first vibration element and the second vibration element can be actuated at the same time, so as to increase the control Vibration and cancel each other's forces, to avoid resonance noise and distortion.

Description

Double-sided vibration speaker

The present invention provides a double-sided vibration speaker, especially a double-sided vibration speaker capable of producing sound in two directions.

Generally speaking, the speakers must be installed in the speaker box to improve the low frequency performance.

However, when the low frequency or voltage of the loudspeaker increases, the diaphragm will oscillate with a larger amplitude, so it is easy to cause the entire loudspeaker to vibrate. Since the speaker must be installed in the sound box, the vibration of the speaker will be further transmitted to the sound box, causing the sound box and the speaker to resonate together, resulting in noise and distortion.

Therefore, how to invent a double-sided vibrating loudspeaker, in order to achieve the effect of two-way sound production without changing the size, and to achieve the purpose of increasing the output volume and bass, increasing the vibration suppression force, and avoiding noise and distortion, will be the purpose of this paper. What inventions want to actively expose.

In view of the shortcomings of the above-mentioned conventional technology, the present inventor feels that it has not been perfected, so he has devoted his mind to research and overcome it, and then develops a double-sided vibration speaker, in order to achieve two-way sound with the same size. The effect is to improve the output volume and bass, increase the damping force, and avoid noise and distortion.

In order to achieve the above object and other objects, the present invention provides a double-sided vibration loudspeaker, which includes: a magnetic return component, a first vibration component and a second vibration component. The magnetic return assembly includes a main magnetic unit, a first magnetic conductive unit and a second magnetic conductive unit, the main magnetic unit has a main magnetic plate and two side magnetic conductive plates, the main magnetic plate has at least one air hole, each The side magnetic conductive plates are arranged on both sides of the main magnetic plate, the two sides of the main magnetic plate are respectively provided with at least one set of connecting parts, each of the side magnetic conductive plates has at least one butting part combined with the connecting parts, the The main magnetizing unit forms an H shape, the first magnetic conducting unit is arranged on one surface of the main magnetizing plate, the second magnetic conducting unit is arranged on the other surface of the main magnetizing plate, and the first magnetic conducting unit has a first a magnetic gap, the second magnetic permeable unit has a second magnetic gap; the first vibration component includes a first horn seat, a first voice coil and a first diaphragm, the first horn seat and the magnetic return One surface of the component is arranged, the first voice coil is movably arranged in the first magnetic gap and is arranged with the first diaphragm, the first diaphragm is arranged with the first horn seat; the second vibration component includes a second A speaker seat, a second voice coil and a second diaphragm, the second speaker seat is arranged with the other surface of the magnetic return component, the second voice coil is movably arranged in the second magnetic gap and is connected with the second vibration film The diaphragm is arranged, the second diaphragm is arranged with the second horn seat, and the second horn seat and the first horn seat are combined with each other.

In the above-mentioned double-sided vibration loudspeaker, the two sides of the two ends of the main magnetic conducting plate respectively have the connecting portions, and each of the side magnetic conducting plates has two butting portions combined with the connecting portions.

In the above-mentioned double-sided vibration loudspeaker, each of the two sides of the assembling portion has a blocking portion respectively, and each of the assembling portions exceeds the blocking portions, and each blocking portion blocks each of the side magnetic conducting plates, Each of the assembling portions does not exceed each of the abutting portions.

In the above-mentioned double-sided vibration speaker, the abutting portion is a through hole.

In the above-mentioned double-sided vibration loudspeaker, at least one opening is respectively provided on both sides of the first horn seat and the second horn seat, and each of the openings communicates with the ventilation hole.

In the above-mentioned double-sided vibration loudspeaker, the two sides of the main magnetic plate are respectively provided with the ventilation holes, each of the ventilation holes is in the shape of a notch, and each of the side magnetic conductive plates has a ventilation hole communicated with each of the ventilation holes. The two sides of the horn seat and the second horn seat respectively have at least one opening, and each of the openings communicates with each of the ventilation holes.

In the above-mentioned double-sided vibration loudspeaker, both sides of the first horn seat respectively have at least one first opening, and both sides of the second horn seat respectively have at least one second opening, and each of the first openings and each The second openings form the openings corresponding to each other.

In the above-mentioned double-sided vibration speaker, the first vibration component further includes two first elastic waves, one side of each of the first elastic waves has a first fixing portion, and the other side of each of the first elastic waves is combined with the The first voice coil has a first assembly portion on both sides of the first horn seat respectively, and the first fixing portion of each of the first elastic waves is combined with each of the first assembly portions of the first horn seat, and each of the first A combination portion is located in each of the openings; the second vibration component further includes two second elastic waves, one side of each of the second elastic waves has a second fixing portion, and the other side of each of the second elastic waves is combined In the second voice coil, two sides of the second horn seat are respectively provided with a second assembly portion, and the second fixing portion of each of the second elastic waves is combined with each of the second assembly portions of the second horn seat, and each of the second assembly portions of the second horn seat. The second assembly portion is located in each of the openings.

In the above-mentioned double-sided vibration loudspeaker, each of the side magnetic conductive plates has a ventilation hole, the diameter of each of the ventilation holes is greater than the thickness of the main magnetic plate, and each of the ventilation holes spans one surface of the main magnetic plate and the other. On the surface, two sides of the first horn seat and the second horn seat respectively have at least one opening, and each of the openings communicates with each of the ventilation holes and the ventilation holes.

In the above-mentioned double-sided vibration loudspeaker, the two sides of the main magnet plate respectively have the ventilation holes, each of the ventilation holes is in the shape of a notch, and the two sides of the first horn seat and the second horn seat respectively have at least one opening , each of the openings communicates with each of the ventilation holes.

In the above-mentioned double-sided vibration loudspeaker, the two ends of each of the side magnetic conductive plates respectively have a joint portion, the first horn seat and the second horn seat are correspondingly assembled to the joint portions, and each of the side magnetic conductive plates has a joint. A space area is formed between the outer side surface, the first horn seat and the second horn seat.

In the above-mentioned double-sided vibrating loudspeaker, a protruding portion is respectively provided at the corresponding junction of the first speaker base and the joint portions, and the joint portion of each of the side magnetic conducting plates and each of the protruding portions abut against each other, so that The space area is formed between the outer surface of each of the side magnetic conducting plates, the first horn seat and the second horn seat.

In the above-mentioned double-sided vibration speaker, the first magnetic conductive unit has a first magnet and a first magnetic conductive plate, the second magnetic conductive unit has a second magnet and a second magnetic conductive plate, the first magnet set on one surface of the main magnet plate, the first magnet guide plate is set on the first magnet, the second magnet is set on the other surface of the main magnet plate, the second magnet guide plate is set on the second magnet .

In the above-mentioned double-sided vibration speaker, the first vibration component further includes two first elastic waves, one side of each of the first elastic waves has a first fixing portion, and the other side of each of the first elastic waves is combined with the The first voice coil has a first assembly portion on both sides of the first horn seat respectively, and the first fixing portion of each of the first elastic waves is combined with each of the first assembly portions of the first horn seat; the second The vibration component further includes two second elastic waves, one side of each of the second elastic waves has a second fixing portion, the other side of each of the second elastic waves is combined with the second voice coil, and the second horn seat is A second assembly portion is respectively provided on both sides, and the second fixing portion of each of the second elastic waves is combined with each of the second assembly portions of the second horn base.

In this way, the double-sided vibration speaker of the present invention can have the effect of two-way sound generation under the condition of unchanged size, so as to improve the output volume and bass, and the first vibration element and the second vibration element can be actuated at the same time, so as to increase the control Vibration and cancel each other's forces, to avoid resonance noise and distortion.

In order to fully understand the purpose, features and effects of the present invention, hereby, the present invention is described in detail by the following specific embodiments and in conjunction with the accompanying drawings, and the description is as follows:

Please refer to FIG. 1 and FIG. 2 . As shown in the figures, the present invention provides a double-sided vibration speaker 1 , which includes: a magnetic return element 11 , a first vibration element 12 and a second vibration element 13 . The structure of the first vibration element 12 may be the same as that of the second vibration element 13 , and the first vibration element 12 and the second vibration element 13 may be symmetrical with the magnetic return element 11 as the center.

Please refer to FIG. 3 to FIG. 7 , as shown in the figures, the magnetic return element 11 includes a main magnetizing unit 111 , a first magnetic conducting unit 112 and a second magnetic conducting unit 113 , and the main magnetizing unit 111 has a main magnetizing unit Plate 1111 and two side magnetic conductive plates 1112, the main magnetic plate 1111 has at least one ventilation hole 1115, each of the side magnetic conductive plates 1112 is arranged on both sides of the main magnetic plate 1111, and the two sides of the main magnetic plate 1111 respectively have at least one ventilation hole 1115. A set of connecting parts 1113, each of the side magnetic conductive plates 1112 has at least one abutting part 1114 combined with the connecting part 1113, the cross section of the main magnetic unit 111 forms an H shape, and the first magnetic conductive unit 112 is arranged on the One surface of the main magnetic plate 1111, the second magnetic conductive unit 113 is disposed on the other surface of the main magnetic plate 1111, the first magnetic conductive unit 111 has a first magnetic gap 114, the second magnetic conductive unit 113 has a A second magnetic gap 115 .

The first vibration assembly 12 includes a first horn seat 121 , a first voice coil 122 and a first diaphragm 123 , the first horn seat 121 is disposed on a surface of the magnetic return assembly 11 , the first voice coil 122 is movably disposed in the first magnetic gap 114 and disposed with the first diaphragm 123 , and the first diaphragm 123 is disposed with the first speaker base 121 .

The second vibration element 13 includes a second horn seat 131 , a second voice coil 132 and a second diaphragm 133 , the second horn seat 131 is disposed with the other surface of the magnetic return element 11 , the second sound The ring 132 is movably arranged in the second magnetic gap 115 and is arranged with the second diaphragm 133 , the second diaphragm 133 is arranged with the second horn seat 131 , and the second horn seat 131 and the first horn seat 121 are mutually combination.

When the double-sided vibration loudspeaker 1 of the present invention is used, it can be combined with a sound box (not shown in the figure), so that the first vibration element 12 and the second vibration element 13 are arranged above and below the magnetic return element 11 in a symmetrical manner. The magnetic return element 11 is shared on both sides, so that the first vibration element 12 and the second vibration element 13 can be matched with the first magnetic conductive unit 112 and the second magnetic conductive unit 113 respectively, thereby forming two upper and lower parts. A completely independent magnetic field (as shown in FIGS. 1 , 2 and 8 to 10 ), so as to push the first diaphragm 123 and the second diaphragm 123 and the second voice coil 132 through the first voice coil 122 and the second voice coil 132 through electromagnetic action The diaphragm 133 vibrates.

When the first vibrating element 12 and the second vibrating element 13 are actuated, after the first voice coil 122 and the second voice coil 132 receive externally input electronic signals, the first vibrating film 123 and the The second diaphragm 133 moves outward and inward at the same time. When both the first diaphragm 123 and the second diaphragm 133 move outward, they push the air to vibrate to produce sound. When the second vibrating membranes 133 move inward, the two acting forces will offset each other through the vent hole 1115, so that the first vibrating element 12 and the second vibrating element 13 can realize the function of shock absorption, and avoid the The force generated by the action of a diaphragm 123 and the second diaphragm 133 drives the entire double-sided vibration speaker 1 to vibrate accordingly.

In this way, the double-sided vibrating speaker 1 of the present invention can achieve the effect of two-way sound through the design of the double-sided diaphragms of the first diaphragm 123 and the second diaphragm 133 under the condition of the same size, thereby improving the The output volume and bass of the double-sided vibration speaker 1 . More importantly, the first vibration element 12 and the second vibration element 13 can act simultaneously to cancel the force between each other, and further increase the vibration damping force of the double-sided vibration speaker 1 to prevent the first vibration. When a vibrating membrane 123 and the second vibrating membrane 133 vibrate, the entire double-sided vibrating loudspeaker 1 will be driven to generate unnecessary vibration, so as to avoid noise and distortion caused by resonance. In addition, the double-sided vibration loudspeaker 1 of the present invention can use the H-shaped design of the main magnetic unit 111 to allow the first vibration element 12 and the second vibration element 13 to cooperate with the first magnetic conductive unit 112 and the second respectively. The magnetic permeable unit 113 forms two independent magnetic circuits at the top and bottom, and can form two independent magnetic circuits at the upper and lower sides because the main magnetic plate 1111 is shared, so the overall height of the double-sided vibration speaker 1 will not be increased. Furthermore, the main magnetic plate 1111 and each of the side magnetic conductive plates 1112 are combined with each of the assembling portions 1113 and each of the butt-joint portions 1114 , so that each of the assembling portions 1113 and each of the butt-joint portions 1114 can be connected to each other. Laser welding for connection can not only reduce the difficulty of forming the main magnet unit 111 by metal stamping, but also reduce the thickness of the double-sided vibration speaker 1 of the present invention.

In addition, in the assembly of the double-sided vibration loudspeaker 1, it is only necessary to first assemble the magnetic return component 11, the first vibration component 12 and the second vibration component 13 respectively, and then directly the magnetic return component 11. , the first vibration component 12 and the second vibration component 13 are combined and fixed to complete the assembly of the double-sided vibration speaker 1 . It means that the double-sided vibration speaker 1 is disassembled into three semi-finished modules, and then assembled into a finished product at one time, and the assembly quality is more stable and efficient.

In addition to the above-mentioned embodiment, in an embodiment of the present invention (as shown in FIG. 1 to FIG. 7 ), the two sides of the main magnet plate 1111 respectively have the ventilation holes 1115 , and each of the ventilation holes 1115 is in the shape of a notch. Both sides of the first horn seat 121 and the second horn seat 131 respectively have at least one opening 10 , and each of the openings communicates with each of the ventilation holes 1115 .

In addition to the above-mentioned embodiment, in one embodiment of the present invention (as shown in FIGS. 1 to 4 and 10 ), each of the side magnetic conductive plates 1112 has a ventilation hole 1116 , and the diameter of each ventilation hole 1116 is larger than that of the main ventilation hole 1116 . The thickness of the magnet plate 1111, each of the ventilation holes 1116 spans one surface and the other surface of the main magnet plate 1111, the first horn seat 121 and the second horn seat 131 respectively have at least one opening 10 on both sides , each of the openings 10 communicates with each of the ventilation holes 1116 and the ventilation holes 1115 .

In an embodiment of the present invention (as shown in FIG. 1 to FIG. 4 ), at least one opening 10 is respectively provided on both sides of the first horn seat 121 and the second horn seat 131 , and each of the openings 10 communicates with the Vent hole 1115. Therefore, the double-sided vibration speaker 1 of the present invention can make the airflow and the force generated when the first diaphragm 123 and the second diaphragm 133 act through the cooperation of each of the ventilation holes 1115 and each of the openings 10 . It can be fully offset, and part of the gas is discharged outside the double-sided vibration speaker 1 to adjust the excess air flow inside the double-sided vibration speaker 1, thereby increasing the shock-reducing force of the double-sided vibration speaker 1, preventing the first diaphragm 123 When vibrating with the second diaphragm 133 , it will drive the entire double-sided vibration speaker 1 to generate unnecessary vibration, so as to achieve the purpose of suppressing the vibration of the double-sided vibration speaker 1 and avoid noise and distortion caused by resonance.

In an embodiment of the present invention (as shown in FIG. 1 to FIG. 7 ), two sides of the main magnetic conductive plate 1111 are respectively provided with a ventilation hole 1115 , each of the ventilation holes 1115 is in the shape of a notch, and each of the side magnetic conductive plates 1112 There are ventilation holes 1116 communicating with each of the ventilation holes 1115 . Wherein, the main magnet units 111 are all metal magnetic conductive materials (eg, low carbon steel), so it is difficult to directly form the H-shape through a conventional metal stamping process. In order to realize the main magnetic unit 111 with an H-shaped cross section, the main magnetic plate 1111 is flat, and the main magnetic plate 1111 has four convex portions after two notch-shaped ventilation holes 1115 are arranged. The 1112 can be provided with two through holes corresponding to the convex portions so as to be combined with the main magnet plate 1111 . In addition, two sides of the first horn seat 121 and the second horn seat 131 respectively have at least one opening 10 , and each opening 10 communicates with each ventilation hole 1116 . Furthermore, the long side of the double-sided vibration speaker 1 may be provided with a plurality of openings 10, or the short side of the double-sided vibration speaker 1 may be provided with a single opening 10, or the length of the double-sided vibration speaker 1 may be provided. A plurality of openings 10 may be provided on the side and a single opening 10 may be provided on the short side of the double-sided vibration speaker 1 . Therefore, the double-sided vibration speaker 1 of the present invention can make the first diaphragm 123 and the second diaphragm 133 act through the cooperation of each of the ventilation holes 1115 , the ventilation holes 1116 and the openings 10 . The generated airflow and the force can be fully offset, and part of the gas is discharged outside the double-sided vibration speaker 1 to adjust the excess airflow inside the double-sided vibration speaker 1, and increase the shock-reducing force of the double-sided vibration speaker 1 to prevent When the first diaphragm 123 and the second diaphragm 133 vibrate, they will drive the entire double-sided vibration speaker 1 to generate unnecessary vibration, so as to achieve the purpose of damping the vibration of the double-sided vibration speaker 1 and avoid noise and distortion caused by resonance.

In an embodiment of the present invention (as shown in FIG. 2 to FIG. 7 ), both sides of the two ends of the main magnetic plate 1111 respectively have the assembling portion 1113 , and each of the side magnetic conductive plates 1112 has a connection with each of the The second part of the assembly part 1113 is the abutting part 1114, when the main magnet plate 1111 passes through the butt parts 1114 of the side magnetic conducting plates 1112 with the assembly parts 1113, and then laser welding is used to complete the connection between them. connected to ensure that the main magnetizing unit 111 and each of the side magnetic conducting plates 1112 are not easy to fall off, so that the main magnetizing unit 111 has better operation stability.

In an embodiment of the present invention (as shown in FIG. 2 to FIG. 7 and FIG. 9 ), each of the two sides of the assembling portion 1113 has a blocking portion 1118 , and each of the assembling portions 1113 exceeds the blocking portion 1118 . Abutment 1118. Each of the assembling portions 1113 and each of the abutting portions 1114 can be blocked by each of the blocking portions 1118 against each of the side magnetic conductive plates 1112 after being combined, so that each of the assembling portions 1113 does not exceed each of the abutting portions 1114, that is, each of the The assembling portion 1113 does not exceed the outer wall surface of each of the side magnetic conducting plates 1112 . In this way, the main magnetic plate 1111 and each of the side magnetic conductive plates 1112 have space for accommodating tin balls (not shown) during laser welding. Therefore, even if the solder balls protrude from the wall of each of the side magnetic conductive plates 1112, the Due to the space area 20 between each of the side magnetic conducting plates 1112 and the first horn seat 121 and the second horn seat 131 , the magnetic return assembly 11 is assembled to the first horn seat 121 and the second horn seat 131 will not interfere. In addition, each of the assembling portions 1113 does not exceed the outer wall of each of the side magnetic conductive plates 1112 , so that the magnetic circuit of the magnetic return element 11 can follow a predetermined magnetic path, so as to avoid the situation of magnetic divergence.

In an embodiment of the present invention (as shown in FIG. 2 to FIG. 7 ), each of the abutting portions 1114 is a through hole. In this way, the double-sided vibration speaker 1 of the present invention can be laser welded to each of the assembling portions 1113 and each of the butting portions 1114 from the outer side of each of the side magnetic conductive plates 1112 .

In an embodiment of the present invention (as shown in FIG. 2 to FIG. 7 ), the first magnetic conductive unit 112 has a first magnet 1121 and a first magnetic conductive plate 1122 , and the second magnetic conductive unit 113 has a A second magnet 1131 and a second magnetic conducting plate 1132, the first magnet 1121 is disposed on a surface of the main magnetizing plate 1111, the first magnetic conducting plate 1122 is disposed on the first magnet 1121, and the second magnet 1131 is disposed On the other surface of the main magnetic plate 1111 , the second magnetic conductive plate 1132 is disposed on the second magnet 1131 . In this way, the double-sided vibration speaker 1 of the present invention allows the first vibration element 12 and the second vibration element 13 to cooperate with the first magnetically conductive unit 112 and the second magnetically conductive unit 113 respectively, thereby forming two completely independent upper and lower parts. The magnetic field (as shown in FIG. 8 and FIG. 9 ) is used to push the first diaphragm 123 and the second diaphragm 133 to vibrate through the first voice coil 122 and the second voice coil 132 through electromagnetic action.

In one embodiment of the present invention (as shown in FIGS. 1 to 4 and 8 to 10 ), at least one first opening 1211 is respectively provided on both sides of the first horn seat 121 , and the second horn seat 131 There are at least one second opening 1311 on both sides respectively, and each first opening 1211 and each second opening 1311 correspond to each other to form the opening 10 ; in this embodiment, the two sides of the first horn seat 121 There are three first openings 1211 respectively, and two sides of the second speaker base 131 are respectively provided with three second openings 1311, so that the two sides of the double-sided vibration speaker 1 have three openings 10 respectively, and respectively One of the openings 10 on both sides corresponds to each of the ventilation holes 1116 . In this way, the double-sided vibration loudspeaker 1 of the present invention can be generated when the first diaphragm 123 and the second diaphragm 133 are actuated by the cooperation of the openings 10 , the ventilation holes 1115 and the ventilation holes 1116 . The airflow and the force can be fully offset, and part of the gas is discharged outside the double-sided vibration speaker 1 to adjust the excess airflow inside the double-sided vibration speaker 1, and increase the shock-reducing force of the double-sided vibration speaker 1 to prevent the double-sided vibration speaker 1. When the first diaphragm 123 and the second diaphragm 133 vibrate, they will drive the entire double-sided vibration speaker 1 to generate unnecessary vibration, so as to achieve the purpose of damping the vibration of the double-sided vibration speaker 1 and avoid noise and distortion caused by resonance.

In an embodiment of the present invention (as shown in FIG. 2 to FIG. 7 ), two ends of each of the side magnetic conductive plates 1112 respectively have a joint 1117 , and the first horn seat 121 corresponds to the second horn seat 131 The second horn seat 131 and the first horn seat 121 are combined with each other, and the outer surface of each side magnetic conducting plate 1112 is connected with the first horn seat 121 and the second horn. A space area 20 is formed between the seats 131 , and the space area 20 communicates with each of the openings 10 and each of the ventilation holes 1116 . In this way, the double-sided vibration loudspeaker 1 of the present invention can be generated when the first diaphragm 123 and the second diaphragm 133 are actuated by the cooperation of the openings 10 , the ventilation holes 1115 and the ventilation holes 1116 . The air flow and the force can be fully offset, and part of the air is discharged outside the double-sided vibration speaker 1, so that the excess air flow will not accumulate in the space area 20, so as to adjust the excess air flow inside the double-sided vibration speaker 1, and increase the The shock-reducing force of the double-sided vibration speaker 1 prevents the vibration of the first diaphragm 123 and the second diaphragm 133 from causing unnecessary vibration of the entire double-sided vibration speaker 1. The purpose of vibration is to avoid resonance and noise and distortion.

In an embodiment of the present invention (as shown in FIG. 2 to FIG. 4 and FIG. 9 ), a protruding part 125 is respectively provided at the corresponding assembly position of the first horn seat 121 and the connecting parts 1117 . The joint portion 1117 of the magnetic conductive plate 1112 and each of the protruding portions 125 abut against each other, so that the space is formed between the outer surface of each magnetic conductive plate 1112 and the first horn seat 121 and the second horn seat 131 Area 20; in this way, the cooperation of each of the joint portions 1117 and each of the protruding portions 125 can be used to avoid assembly interference caused by solder balls during laser welding.

In an embodiment of the present invention (as shown in FIGS. 1 to 4 , 8 and 9 ), the first vibration element 12 further includes two first elastic waves 124 , one of each of the first elastic waves 124 . There is a first fixing portion 1241 (such as a positioning hole) on the side, the other side of each first spring wave 124 is combined with the first voice coil 122, and the two sides of the first speaker base 121 are respectively provided with a first assembly portion 1212 (eg, a positioning protrusion), the first fixing portions 1241 of the first elastic waves 124 are combined with the first combining portions 1212 of the first horn base 121, and the second vibration element 13 further includes two second In the elastic waves 134, one side of each of the second elastic waves 134 has a second fixing portion 1341 (such as a positioning hole), and the other side of each of the second elastic waves 134 is combined with the second voice coil 132, the second speaker Two sides of the seat 131 are respectively provided with a second assembly portion 1312 (eg, a positioning protrusion). In this way, the double-sided vibration loudspeaker 1 of the present invention can stably maintain the positions of the first voice coil 122 and the second voice coil 132 by the first elastic waves 124 and the second elastic waves 134, respectively, except for increasing the In addition to outputting a higher volume due to the withstand power of the double-sided vibration speaker 1, the double-sided vibration speaker 1 can also prevent the first voice coil 122 and the second voice coil 132 from vibrating off-axis at low frequencies, resulting in Abnormal sound distortion problem.

In an embodiment of the present invention (as shown in FIG. 1 to FIG. 4 and FIG. 8 ), a plurality of openings 10 may be provided on the long side of the double-sided vibration speaker 1 , and the short side of the double-sided vibration speaker 1 may be provided with a plurality of openings 10 . A single opening 10 can be provided on the side, each of the first combined parts 1212 can be located in the first opening part 1211 of each of the openings 10 on the short side of the double-sided vibration speaker 1, and each of the second combined parts 1312 can be located in The second opening 1311 of each of the openings 10 on the short side of the double-sided vibration speaker 1 is to simplify the structure of the double-sided vibration speaker 1 of the present invention. In addition, each of the first combination parts 1212 can also be located at the first opening parts 1211 of the openings 10 on the long side of the double-sided vibration speaker 1, and each of the second combined parts 1312 can also be located at the double-sided vibration speaker The second openings 1311 of the openings 10 on the long side of 1.

The present invention has been disclosed above with preferred embodiments, but those skilled in the art should understand that the embodiments are only used to describe the present invention, and should not be construed as limiting the scope of the present invention. It should be noted that all changes and substitutions equivalent to this embodiment should be considered to be included within the scope of the present invention. Therefore, the protection scope of the present invention should be defined by the scope of the patent application.

1: Double-sided vibration speaker 11: Magnetic return components 111: Main magnet unit 1111: Main magnet plate 1112: side magnetic guide plate 1113: Assembly Department 1114: Docking Department 1115: Vent hole 1116: ventilation holes 1117: Joint 1118: Blocking Department 112: The first magnetic permeability unit 1121: First Magnet 1122: The first magnetic guide plate 113: The second magnetic permeability unit 1131: Second Magnet 1132: The second magnetic guide plate 114: The first magnetic gap 115: The second magnetic gap 12: The first vibration component 121: The first speaker seat 1211: The first opening 1212: First Combination Department 122: First voice coil 123: The first diaphragm 124: The first wave 1241: The first fixed part 125: Projection 13: Second vibration component 131: The second speaker seat 1311: Second opening 1312: Second Combination Department 132: Second voice coil 133: Second diaphragm 134: The second wave 1341: Second fixed part 10: Opening 20: Space Zone

[FIG. 1] is a schematic view of the appearance of the double-sided vibration loudspeaker of the present invention. [FIG. 2] is an exploded schematic view of the double-sided vibration speaker of the present invention. [FIG. 3] is another exploded schematic view of the double-sided vibration speaker of the present invention. [FIG. 4] It is an exploded schematic diagram of another angle of the double-sided vibration speaker of the present invention. [Fig. 5] is an exploded schematic view of the main magnet unit of the present invention. [FIG. 6] is the top schematic diagram of the appearance of the main magnet unit of the present invention. [FIG. 7] is an exploded schematic view of the magnetic return assembly of the present invention. [FIG. 8] It is a schematic diagram of the cross-sectional state of A-A of FIG. 1 of the present invention. [FIG. 9] It is a schematic diagram of the B-B cross-sectional state of FIG. 1 of the present invention. [FIG. 10] It is a schematic diagram of another B-B cross-sectional state of FIG. 1 of the present invention.

1: Double-sided vibration speaker

11: Magnetic return components

111: Main magnet unit

1111: Main magnet plate

1112: side magnetic guide plate

1113: Assembly Department

1114: Docking Department

1116: ventilation holes

1117: Joint

112: The first magnetic permeability unit

1121: First Magnet

1122: The first magnetic guide plate

113: The second magnetic permeability unit

1131: Second Magnet

1132: The second magnetic guide plate

114: The first magnetic gap

115: The second magnetic gap

12: The first vibration component

121: The first speaker seat

1211: The first opening

123: The first diaphragm

13: Second vibration component

131: The second speaker seat

1311: Second opening

1312: Second Combination Department

132: Second voice coil

133: Second diaphragm

134: The second wave

1341: Second fixed part

Claims (14)

A double-sided vibration speaker comprising: A magnetic return assembly includes a main magnetic unit, a first magnetic conductive unit and a second magnetic conductive unit, the main magnetic unit has a main magnetic plate and two side magnetic conductive plates, the main magnetic plate has at least one air hole , each of the side magnetic conductive plates is arranged on both sides of the main magnetic plate, the two sides of the main magnetic plate are respectively provided with at least one set of connecting parts, and each of the side magnetic conductive plates has at least one abutting part combined with the connecting part , the main magnetic unit is formed in an H shape, the first magnetic conductive unit is arranged on one surface of the main magnetic plate, the second magnetic conductive unit is arranged on the other surface of the main magnetic plate, and the first magnetic conductive unit has a first magnetic gap, the second magnetic permeable unit has a second magnetic gap; A first vibration component includes a first horn seat, a first voice coil and a first diaphragm, the first horn seat and a surface of the magnetic return component are disposed, and the first voice coil is movably disposed on the a first magnetic gap and is disposed with the first diaphragm, the first diaphragm is disposed with the first horn seat; and A second vibration component includes a second horn seat, a second voice coil and a second diaphragm, the second horn seat and the other surface of the magnetic return component are disposed, the second voice coil is movably disposed on The second magnetic gap is arranged with the second diaphragm, the second diaphragm is arranged with the second horn seat, and the second horn seat and the first horn seat are combined with each other. The double-sided vibration loudspeaker as claimed in claim 1, wherein the two sides of the two ends of the main magnetic plate are respectively provided with the assembling portion, and each of the side magnetic conducting plates has two butting portions combined with the assembling portions. . The double-sided vibration loudspeaker according to claim 2, wherein each of the two sides of the assembling portion has a blocking portion respectively, and each of the assembling portions exceeds the blocking portions, and each blocking portion blocks each of the blocking portions. For the side magnetic conductive plate, each of the assembling parts does not exceed each of the butting parts. The double-sided vibration loudspeaker according to claim 1, wherein the abutting portion is a through hole. The double-sided vibration loudspeaker as claimed in claim 1, wherein at least one opening is respectively provided on both sides of the first horn seat and the second horn seat, and each of the openings communicates with the vent hole. The double-sided vibration loudspeaker according to claim 1, wherein two sides of the main magnetic plate are respectively provided with the ventilation holes, each of the ventilation holes is in the shape of a notch, and each of the side magnetic conductive plates has a ventilation hole communicating with each of the ventilation holes the two sides of the first horn seat and the second horn seat respectively have at least one opening, and each of the openings communicates with each of the ventilation holes. The double-sided vibration loudspeaker as claimed in claim 6, wherein at least one first opening is respectively provided on both sides of the first horn seat, and at least one second opening is respectively provided on both sides of the second horn seat, and each of the first An opening and each of the second openings correspond to each other to form the opening. The double-sided vibration loudspeaker as claimed in claim 6, wherein the first vibration component further comprises two first elastic waves, one side of each of the first elastic waves has a first fixing portion, and each of the first elastic waves has a first fixing portion on one side. The other side is combined with the first voice coil, the two sides of the first horn seat are respectively provided with a first assembly part, and the first fixing part of each of the first elastic waves is combined with each of the first assemblies of the first speaker seat each of the first assembly parts is located in each of the openings; the second vibration component further includes two second elastic waves, one side of each of the second elastic waves has a second fixing part, and each of the second elastic waves The other side is combined with the second voice coil, the two sides of the second horn seat are respectively provided with a second assembly portion, and the second fixed portion of each second elastic wave is combined with each of the second horn seats. A combination part, each of the second combination parts is located in each of the openings. The double-sided vibration loudspeaker as claimed in claim 1, wherein each of the side magnetic conductive plates has a ventilation hole, the diameter of each of the ventilation holes is greater than the thickness of the main magnetic plate, and each of the ventilation holes is arranged on the side of the main magnetic plate. On one surface and the other surface, two sides of the first horn seat and the second horn seat respectively have at least one opening, and each of the openings communicates with each of the ventilation holes and the ventilation holes. The double-sided vibration loudspeaker according to claim 1, wherein two sides of the main magnet plate respectively have the ventilation holes, each of the ventilation holes is in the shape of a notch, and the two sides of the first horn seat and the second horn seat are respectively At least one opening is provided, and each of the openings communicates with each of the ventilation holes. The double-sided vibration loudspeaker according to claim 1, wherein two ends of each of the side magnetic conducting plates respectively have a joint portion, the first speaker base and the second speaker base are correspondingly assembled on the joint portions, and each of the A space area is formed between the outer surface of the side magnetic conducting plate, the first horn seat and the second horn seat. The double-sided vibration loudspeaker as claimed in claim 11, wherein a protruding part is respectively provided at the corresponding junction of the first speaker base and the joint parts, and the joint part of each of the side magnetic conducting plates and each of the protruding parts abutting against each other, so that the space area is formed between the outer surface of each side magnetic conductive plate and the first horn seat and the second horn seat. The double-sided vibration speaker as claimed in claim 1, wherein the first magnetically conductive unit has a first magnet and a first magnetically conductive plate, and the second magnetically conductive unit has a second magnet and a second magnetically conductive plate , the first magnet is set on one surface of the main magnet plate, the first magnet guide plate is set on the first magnet, the second magnet is set on the other surface of the main magnet plate, the second magnet guide plate is set on the other surface of the main magnet plate on the second magnet. The double-sided vibration loudspeaker as claimed in claim 1, wherein the first vibration component further includes two first elastic waves, one side of each of the first elastic waves has a first fixing portion, and each of the first elastic waves has a first fixing portion. The other side is combined with the first voice coil, the two sides of the first horn seat are respectively provided with a first assembly part, and the first fixed part of each of the first elastic waves is combined with each of the first assemblies of the first speaker seat part; the second vibration component further includes two second elastic waves, one side of each of the second elastic waves has a second fixed part, the other side of each of the second elastic waves is combined with the second voice coil, the Two sides of the second horn seat are respectively provided with a second assembly portion, and the second fixing portion of each of the second elastic waves is combined with each of the second assembly portions of the second horn seat.

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