Double-sided vibration reduction high-power loudspeaker

Abstract

A double-sided vibration-damping high-power loudspeaker relates to the technical field of loudspeakers, and is characterized in that an upper vibration system and a lower vibration system are arranged on the opposite sides of an upper bracket and a lower bracket in opposite directions, and a magnetic circuit system shared by the upper vibration system and the lower vibration system is arranged on the opposite sides of the upper bracket and the lower bracket; the magnetic circuit system comprises a U-shaped cup, a center magnet fixedly arranged in the U-shaped cup and a plurality of edge magnets arranged on the peripheral side of the top face of the lower support, the edge magnets are symmetrically arranged around the center magnet, and a plurality of containing grooves used for containing the edge magnets are formed in the top face of the lower support. The side magnets are correspondingly and fixedly arranged on the corresponding containing grooves, the horizontal edge plate of the U-shaped cup is horizontally erected on the side magnets, and the effect that one horn achieves two horns is achieved. The two loudspeakers counteract with each other in the sound box to reduce the resonance of the sound box, so that the sound box can be widely applied to devices such as a pen / tablet computer / multimedia device and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of loudspeakers, in particular to a double-sided vibration-damping high-power loudspeaker. Background Art

[0002] A speaker is a transducer device that converts electrical signals into sound signals. The performance of the speaker has a great impact on the sound quality. The speaker is the weakest component in the audio equipment, but it is also the most important component for the sound effect. Portable electronic devices such as portable mobile communication terminals, laptops, and MP3 players are equipped with micro speaker modules that convert electrical signals into audio signals.

[0003] The ultra-thin speakers in the existing technology have low power and are too thin; single-sided speakers only have one side that emits sound, and the utilization rate is low. Conventional operation is to put two speakers, but the cost is high and it takes up more installation space for customers; ordinary high-power speakers vibrate greatly when the speakers are working. It is easy to resonate with the whole machine, which is not conducive to installation. Utility Model Content

[0004] The utility model aims to solve the technical defects in the prior art that ultra-thin speakers have low power, high-power speakers are prone to resonance with the mechanical components of the whole machine, which is not conducive to installation, and ordinary single-sided speakers have only one side that produces sound and have low utilization rate.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] A double-sided vibration-damping high-power loudspeaker comprises an upper bracket and a lower bracket which are stacked and detachably fixed, an upper vibration system and a lower vibration system being arranged on opposite sides of the upper bracket and the lower bracket in opposite directions, and a magnetic circuit system shared by the upper vibration system and the lower vibration system being arranged on opposite sides of the upper bracket and the lower bracket.

[0007] Furthermore, the magnetic circuit system includes a U-cup, a central magnet fixed inside the U-cup, and a plurality of side magnets arranged on the peripheral side of the top surface of the lower bracket, the plurality of side magnets are symmetrically arranged around the central magnet, the top surface of the lower bracket is provided with a plurality of accommodating grooves for accommodating the side magnets, the side magnets are correspondingly fixedly arranged in the corresponding accommodating grooves, the horizontal edge plate of the U-cup is horizontally placed on the side magnets, and the upper bracket, U-cup, side magnets, and lower bracket are in a stacked structure clamped up and down.

[0008] Furthermore, a side of the lower bracket close to the upper bracket is provided with a plurality of clamping columns symmetrically arranged at the center, and a side of the upper bracket close to the lower bracket is symmetrically provided with a plurality of clamping holes, and the clamping columns and the clamping holes are detachably fitted in an interference fit.

[0009] Furthermore, positioning grooves for installing the upper vibration system and the lower vibration system are symmetrically arranged on the opposite sides of the upper bracket and the lower bracket.

[0010] Furthermore, the upper vibration system includes an upper diaphragm, an upper FPC sheet glued and fixed to the circumferential side of the bottom of the upper diaphragm, and an upper voice coil glued and fixed to the bottom of the upper FPC sheet. The circumferential side of the upper FPC sheet is positioned and glued to the positioning groove, and the upper FPC sheet is symmetrically provided with wire outlet parts, and the circumferential side of the upper bracket is provided with wire outlet grooves corresponding to the wire outlet parts.

[0011] Furthermore, the lower vibration system includes a lower diaphragm, a lower FPC sheet glued and fixed to the circumferential side of the bottom of the lower diaphragm, and a lower voice coil glued and fixed to the bottom of the lower FPC sheet. The circumferential side of the lower FPC sheet is positioned and glued to the positioning groove, and the lower FPC sheet is symmetrically provided with wire outlet parts, and the circumferential side of the lower bracket is provided with wire outlet grooves corresponding to the wire outlet parts.

[0012] Furthermore, the upper voice coil extends downward into the inner ring side of the U cup, and the lower voice coil extends upward into the outer ring side of the U cup.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model proposes a double-sided vibration-damping high-power speaker, which is provided with an upper bracket, a lower bracket, an upper vibration system, a lower vibration system, a magnetic circuit system, a U cup, a central magnet, a side magnet, and a receiving groove. By providing mutually stacked and detachable upper brackets and lower brackets, and providing a set of magnetic circuit systems in the upper brackets and lower brackets, and symmetrically providing an upper vibration system and a lower vibration system on the upper and lower sides of the upper brackets and lower brackets, the upper vibration system and the lower vibration system share a set of magnetic circuit systems, and truly achieve the effect of two speakers with one speaker. The two speakers cancel each other out inside the speaker box, which plays a role in reducing the resonance of the speaker box, and can be widely used in laptops / tablets / multimedia and other devices. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the explosion structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model.

[0019] In the figure: 1. upper diaphragm, 2. upper FPC sheet, 3. upper voice coil, 4. upper bracket, 5. U cup, 6. center magnet, 7. side magnet, 8. lower bracket, 9. lower voice coil, 10. lower FPC sheet, 11. lower diaphragm, 12. emergence part, 13. positioning groove, 14. outlet groove, 15. accommodation groove, 16. clamping column. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] like Figure 1-3 As shown, a double-sided vibration-damping high-power loudspeaker comprises an upper bracket 4 and a lower bracket 8 which are stacked and fixed detachably from each other, and an upper vibration system and a lower vibration system are arranged on opposite sides of the upper bracket 4 and the lower bracket 8 in opposite directions, and a magnetic circuit system shared by the upper vibration system and the lower vibration system is arranged on opposite sides of the upper bracket 4 and the lower bracket 8. The magnetic circuit system comprises a U cup 5, a central magnet 6 fixedly arranged inside the U cup 5, and a plurality of side magnets 7 arranged on the peripheral side of the top surface of the lower bracket 8, and the plurality of side magnets 7 are symmetrically arranged around the central magnet 6. The top surface of the lower bracket 8 is provided with a plurality of receiving grooves 15 for accommodating the side magnets 7, and the side magnets 7 are correspondingly fixedly arranged on the corresponding receiving grooves 15, and the horizontal edge plate of the U cup 5 is horizontally laid on the side magnets 7, and the upper bracket 4, the U cup 5, the side magnets 7, and the lower bracket 8 are in a stacked structure clamped up and down.

[0022] The utility model proposes a double-sided vibration-damping high-power speaker, which is provided with an upper bracket 4, a lower bracket 8, an upper vibration system, a lower vibration system, a magnetic circuit system, a U cup 5, a central magnet 6, a side magnet 7, and a receiving groove 15. By providing mutually stacked and detachable upper brackets 4 and lower brackets 8, and providing a set of magnetic circuit systems in the upper brackets 4 and lower brackets 8, the upper vibration system and the lower vibration system are symmetrically provided on the upper and lower sides of the upper brackets 4 and lower brackets 8, and the upper vibration system and the lower vibration system share a set of magnetic circuit systems, so that one speaker can truly achieve the effect of two speakers. The two speakers cancel each other out inside the speaker box, which plays a role in reducing the resonance of the speaker box, and can be widely used in laptops / tablets / multimedia and other devices.

[0023] Specifically, as shown in the figure, the lower bracket 8 is provided with a plurality of clamping columns 16 symmetrically arranged on one side close to the upper bracket 4, and the upper bracket 4 is provided with a plurality of clamping holes symmetrically arranged on one side close to the lower bracket 8, and the clamping columns 16 and the clamping holes are detachably fitted by interference fit. During installation, the upper bracket 4 and the lower bracket 8 are aligned up and down, and interference fit is achieved by applying force.

[0024] Specifically, as shown in the figure, positioning grooves 13 for installing the upper vibration system and the lower vibration system are symmetrically arranged on the opposite sides of the upper bracket 4 and the lower bracket 8.

[0025] Specifically, as shown in the figure, the upper vibration system includes an upper diaphragm 1, an upper FPC sheet 2 glued and fixed to the bottom circumference of the upper diaphragm 1, and an upper voice coil 3 glued and fixed to the bottom of the upper FPC sheet 2. The circumference of the upper FPC sheet 2 is positioned and glued to the positioning groove 13. The upper FPC sheet 2 is symmetrically provided with a wire outlet portion 12, and the circumference of the upper bracket 4 is provided with a wire outlet groove 14 corresponding to the wire outlet portion 12.

[0026] Specifically, as shown in the figure, the lower vibration system includes a lower diaphragm 11, a lower FPC sheet 10 glued and fixed to the bottom side of the lower diaphragm 11, and a lower voice coil 9 glued and fixed to the bottom of the lower FPC sheet 10. The lower FPC sheet 10 is positioned and glued to the positioning groove 13 on the side thereof. The lower FPC sheet 10 is symmetrically provided with a wire outlet portion 12, and a wire outlet groove 14 is provided on the side of the lower bracket 8 corresponding to the wire outlet portion 12.

[0027] The utility model uses FPC as a shaping support, which can effectively play the role of shaping support and improve the speaker power. This speaker uses large and small voice coils to install diaphragms on both sides of the speaker, sharing a magnetic circuit system. It truly achieves the effect of two speakers with one speaker. The two speakers offset each other inside the speaker, which plays a role in reducing the resonance of the speaker.

[0028] Specifically, as shown in the figure, the upper voice coil 3 extends downward into the inner ring side of the U cup 5 , and the lower voice coil 9 extends upward into the outer ring side of the U cup 5 .

[0029] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

[0030] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A double-sided vibration-damping high-power loudspeaker, characterized in that: The invention comprises an upper bracket (4) and a lower bracket (8) which are stacked and fixed detachably. An upper vibration system and a lower vibration system are arranged on opposite sides of the upper bracket (4) and the lower bracket (8) in opposite directions. A magnetic circuit system shared by the upper vibration system and the lower vibration system is arranged on opposite sides of the upper bracket (4) and the lower bracket (8).

2. A double-sided vibration-damping high-power loudspeaker according to claim 1, characterized in that: The magnetic circuit system comprises a U cup (5), a central magnet (6) fixedly arranged inside the U cup (5), and a plurality of side magnets (7) arranged on the circumferential side of the top surface of the lower bracket (8), wherein the plurality of side magnets (7) are symmetrically arranged around the central magnet (6), and a plurality of receiving grooves (15) for receiving the side magnets (7) are arranged on the top surface of the lower bracket (8), wherein the side magnets (7) are fixedly arranged on the corresponding receiving grooves (15), and the horizontal edge plate of the U cup (5) is horizontally placed on the side magnets (7), and the upper bracket (4), the U cup (5), the side magnets (7), and the lower bracket (8) are in a stacked structure clamped up and down.

3. A double-sided vibration-damping high-power loudspeaker according to claim 2, characterized in that: A plurality of clamping columns (16) are symmetrically arranged on one side of the lower bracket (8) close to the upper bracket (4), and a plurality of clamping holes are symmetrically arranged on one side of the upper bracket (4) close to the lower bracket (8), and the clamping columns (16) are detachably fitted with the clamping holes in an interference fit.

4. A double-sided vibration-damping high-power loudspeaker according to claim 3, characterized in that: Positioning grooves (13) for installing the upper vibration system and the lower vibration system are symmetrically arranged on the opposite sides of the upper bracket (4) and the lower bracket (8).

5. A double-sided vibration-damping high-power loudspeaker according to claim 4, characterized in that: The upper vibration system comprises an upper diaphragm (1), an upper FPC sheet (2) glued and fixed to the circumferential side of the bottom of the upper diaphragm (1), and an upper voice coil (3) glued and fixed to the bottom of the upper FPC sheet (2); the circumferential side of the upper FPC sheet (2) is positioned and glued to the positioning groove (13); the upper FPC sheet (2) is symmetrically provided with a wire outlet portion (12); and the circumferential side of the upper bracket (4) is provided with a wire outlet groove (14) corresponding to the wire outlet portion (12).

6. A double-sided vibration-damping high-power loudspeaker according to claim 5, characterized in that: The lower vibration system comprises a lower diaphragm (11), a lower FPC sheet (10) glued and fixed to the circumferential side of the bottom of the lower diaphragm (11), and a lower voice coil (9) glued and fixed to the bottom of the lower FPC sheet (10); the circumferential side of the lower FPC sheet (10) is positioned and glued to the positioning groove (13); the lower FPC sheet (10) is symmetrically provided with a wire outlet portion (12); and the circumferential side of the lower bracket (8) is provided with a wire outlet groove (14) corresponding to the wire outlet portion (12).

7. A double-sided vibration-damping high-power loudspeaker according to claim 6, characterized in that: The upper voice coil (3) extends downward into the inner ring side of the U cup (5), and the lower voice coil (9) extends upward into the outer ring side of the U cup (5).

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