CN217307867U

CN217307867U - Vibration loudspeaker with double-drive structure

Info

Publication number: CN217307867U
Application number: CN202221008274.1U
Authority: CN
Inventors: 陈波; 阎海成; 林锡墩; 陈勇; 卢永圆
Original assignee: Huizhou Xi Xi Ai Industrial Co ltd
Current assignee: Huizhou Xi Xi Ai Industrial Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-08-26
Anticipated expiration: 2032-04-28

Abstract

The utility model relates to the technical field of speakers, and discloses a vibration speaker with a dual-drive structure, which comprises a shell, a first elastic sheet, a vibration plate, a magnetic circuit component and a driving component; the shell is provided with two cavities, a first elastic sheet is installed in each cavity, the magnetic circuit assembly is installed in the cavities through the first elastic sheets, the magnetic circuit assembly is provided with an annular accommodating groove, the opening end of each cavity is provided with a driving assembly, the two groups of driving assemblies are connected in parallel, the vibrating plate is installed at the upper ends of the two groups of driving assemblies, and the lower ends of the driving assemblies extend into the corresponding annular accommodating grooves. The beneficial effects are that: the vibration loudspeaker with the double-drive structure is obtained through structural optimization design, the driving in a double-magnetic-circuit double-coil parallel mode can be achieved, vibration energy is increased, the performance requirement of matched products is better met, and product design is better promoted.

Description

Vibration loudspeaker with double-drive structure

Technical Field

The utility model relates to a speaker technical field, concretely relates to vibration speaker of dual drive structure.

Background

The structural design of the vibration loudspeaker determines the quality and the performance of the vibration loudspeaker, the vibration loudspeakers in the existing market have various structures, and the practical effects and the performances are different, for example, the invention patent application zl202010312516.5 in China discloses a double-magnetic driving loudspeaker, two groups of magnetic circuit components are arranged, and the consistency of the magnetic field intensity of the two groups of driving magnetic circuits and the equal array effect is ensured. But the assembly is complicated and the driving effect is weak. Therefore, it is necessary to develop a vibration speaker with a more optimized structure to meet the performance and design requirements of the end product.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of above prior art existence, provide a novel structure, can satisfy the terminal product better and produce the vibration speaker of property dual drive structure of demand.

The purpose of the utility model is realized through the following technical scheme: a vibration loudspeaker with a dual-drive structure comprises a shell, a first elastic sheet, a vibration plate, a magnetic circuit assembly and a driving assembly; the shell is provided with two cavities, a first elastic sheet is installed in each cavity, the magnetic circuit assembly is installed in the cavities through the first elastic sheets and is provided with an annular accommodating groove, the open end of each cavity is provided with a driving assembly, the two groups of driving assemblies are connected in parallel or in series, the vibrating plate is installed at the upper ends of the two groups of driving assemblies, and the lower ends of the driving assemblies extend into the corresponding annular accommodating grooves.

Further, the driving assembly comprises a second elastic sheet, a framework and a coil; the second elastic sheet is arranged at the opening end of the cavity, the framework is arranged at the center of the second elastic sheet, the upper end of the framework is connected with the vibrating plate, the periphery of the lower end of the framework is connected with the coil, and the coil extends into the corresponding annular accommodating groove.

Furthermore, the framework comprises a fixture block, a cushion block and a circular frame body which are connected in sequence; the clamping block penetrates through the center of the second elastic sheet and then is connected with the vibrating plate, the cushion block is located between the second elastic sheet and the circular frame body, and the coil is installed on the periphery of the lower end of the circular frame body.

Furthermore, the vibration plate comprises two sub vibration plates, and the two sub vibration plates and the two groups of driving assemblies are installed in a one-to-one correspondence mode.

Further, the magnetic circuit assembly comprises U-shaped iron, a magnet and a magnetic conduction plate; u shaped iron has the protruding position in bottom with first shell fragment joint, magnet is located the inside plane of U shaped iron, the magnetic conduction board is located the up end of magnet, the periphery of magnetic conduction board forms the annular groove of holding with the medial surface of U shaped iron.

Furthermore, the welding device further comprises a welding plate, the welding plate is located at the bottom of the shell, and the outgoing lines of the driving assemblies are connected with the welding plate so that the two groups of driving assemblies are connected in parallel or in series.

Furthermore, two the cavity sets up side by side, has the interval through-hole between the cavity, the welding plate is located the lower extreme of interval through-hole, drive assembly's lead-out wire passes the interval through-hole and is connected with the welding plate.

Furthermore, an annular mounting table is arranged on the inner periphery of the cavity, the first elastic sheet is mounted on the annular mounting table, and a gap is formed between the first elastic sheet and the bottom of the cavity.

Compared with the prior art, the utility model have following advantage:

1. the utility model discloses a configuration optimization designs, sets up two cavitys on the shell, all installs magnetic circuit subassembly and drive assembly in every cavity, obtains the vibration speaker of dual drive structure. Meanwhile, the two driving assemblies can be connected in parallel, the driving in a double-magnetic-circuit double-coil parallel mode is realized, the vibration energy is increased, the performance requirement of a matched product is better met, and the product design is better promoted.

2. The utility model discloses two branch vibration boards about well setting, two branch vibration boards can work the inhomogeneous vibration of effective reduction of syntropy simultaneously, increase the vibration energy simultaneously, the better performance demand that reaches supporting product, better promotion product design.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a sectional view showing a vibration speaker of a dual-drive structure according to embodiment 1 of the present invention;

fig. 2 shows a top view of a vibration speaker in a dual-drive structure according to embodiment 1 of the present invention;

fig. 3 is a plan view showing a vibration speaker of a dual-drive structure according to embodiment 2 of the present invention;

fig. 4 is a plan view showing a vibration speaker of a dual-drive structure according to embodiment 2 of the present invention;

in the figure, 1, a housing; 101. a cavity; 102. spaced through holes; 103. an annular mounting table; 2. a first spring plate; 3. a vibrating plate; 4. an annular accommodating groove; 5. a second elastic sheet; 6. a framework; 601. a clamping block; 602. a cushion block; 603. a circular frame body; 7. a coil; 701. an outgoing line; 8. a sub-vibrating plate; 9. u-shaped iron; 901. the bottom is convex; 10. a magnet; 11. a magnetic conductive plate; 12. welding the plate; 1201. and (7) welding points.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Example 1:

the vibration loudspeaker with the dual-drive structure shown in fig. 1 and 2 comprises a housing 1, a first elastic sheet 2, a vibration plate 3, a magnetic circuit assembly and a driving assembly; the shell 1 is provided with two cavities 101, a first elastic sheet 2 is installed in each cavity 101, the magnetic circuit assembly is installed in the cavities 101 through the first elastic sheet 2, the magnetic circuit assembly is provided with an annular accommodating groove 4, the open end of each cavity 101 is provided with a driving assembly, the two groups of driving assemblies are connected in parallel or in series, the vibrating plate 3 is installed at the upper ends of the two groups of driving assemblies, and the lower ends of the driving assemblies extend into the corresponding annular accommodating grooves 4. The utility model discloses a set up two cavitys on the shell, all install magnetic circuit subassembly and drive assembly in every cavity, obtain the vibration speaker of dual drive structure, simultaneously, two drive assemblies are parallelly connected, adopt the parallelly connected mode drive of double magnetic circuit twin coil, increase vibration energy, better performance demand that reaches supporting product, better promotion product design.

The driving assembly comprises a second elastic sheet 5, a framework 6 and a coil 7; the second elastic sheet 5 is arranged at the opening end of the cavity 101, the framework 6 is arranged at the central position of the second elastic sheet 5, the upper end of the framework 6 is connected with the vibrating plate 3, the periphery of the lower end of the framework 6 is connected with the coil 7, and the coil 7 extends into the corresponding annular accommodating groove 4. Wherein, the open end of each cavity 101 is provided with a ring groove for mounting the second elastic sheet 5. The utility model discloses the unsettled setting of well coil 7 avoids the coil to contact the magnet at the vibration in-process, has guaranteed the stability of coil at magnetic gap work, strengthens the reliability of speaker.

The framework 6 comprises a fixture block 601, a cushion block 602 and a circular frame body 603 which are connected in sequence; the clamping block 601 penetrates through the center position of the second elastic sheet 5 and then is connected with the vibrating plate 3, the cushion block 602 is located between the second elastic sheet 5 and the circular frame body 603, and the coil 7 is installed on the periphery of the lower end of the circular frame body 603. Through 6 structural design of skeleton, avoid circular support body 603 and second shell fragment direct contact, prevent that it from weakening the effect of bullet of second shell fragment, coil 7.

The magnetic circuit component comprises a U-shaped iron 9, a magnet 10 and a magnetic conduction plate 11; the U-shaped iron 9 is provided with a bottom convex position 901 clamped with the first elastic sheet 2, the magnet 10 is located on the inner plane of the U-shaped iron 9, the magnetic conducting plate 11 is located on the upper end face of the magnet 10, and the periphery of the magnetic conducting plate 11 and the inner side face of the U-shaped iron 9 form an annular accommodating groove 4. The coil 7 can be suspended by designing the annular accommodating groove 4.

The magnetic driving device further comprises a welding plate 12, the welding plate 12 is located at the bottom of the shell, and coil outgoing lines 701 of the driving assembly are correspondingly connected with four welding points 1201 on the welding plate 12, so that two groups of coils are connected in parallel or in series, and a driving mode that double magnetic circuits and double coils are connected in parallel can be achieved when the coils are connected in parallel.

The two cavities 101 are arranged in parallel, a spacing through hole 102 is formed between the cavities 101, the welding plate 12 is located at the lower end of the spacing through hole, and an outgoing line 701 of the coil 7 in the driving assembly penetrates through the spacing through hole 102 to be connected with the welding plate 12. Through setting up interval through-hole 102, make things convenient for coil lead-out wire 701 to be connected with the welded plate, optimize speaker inner structure.

The inner periphery of the cavity 101 is provided with an annular mounting table 103, the first elastic sheet 2 is mounted on the annular mounting table 103, and a gap is formed between the first elastic sheet 2 and the bottom of the cavity 101. The elastic effect of the magnetic loop assembly is increased through the arrangement, so that the performance of the loudspeaker is further improved.

Example 2:

the present example is the same as example 1 except for the following technical features:

as shown in fig. 3 and 4, the vibrating plate in the present embodiment is divided into two sub-vibrating plates 8, and the two sub-vibrating plates 8 are respectively installed in one-to-one correspondence with the skeletons 6 in the two sets of driving units. The design key points of the left vibrating plate and the right vibrating plate are that the vibrating plates work in the same direction at the same time to effectively reduce uneven vibration, and meanwhile, the vibration energy is increased, so that the performance requirement of a matched product is better met, and the product design is better promoted.

The above-mentioned specific implementation is the preferred embodiment of the present invention, can not be right the utility model discloses the limit, any other does not deviate from the technical scheme of the utility model and the change or other equivalent replacement modes of doing all contain within the scope of protection of the utility model.

Claims

1. A vibration loudspeaker of a dual drive structure, characterized in that: the magnetic circuit comprises a shell, a first elastic sheet, a vibrating plate, a magnetic circuit assembly and a driving assembly; the shell is provided with two cavities, a first elastic sheet is installed in each cavity, the magnetic circuit assembly is installed in the cavities through the first elastic sheets, the magnetic circuit assembly is provided with an annular accommodating groove, the open end of each cavity is provided with a driving assembly, the two groups of driving assemblies are connected in parallel or in series, the vibrating plate is installed at the upper ends of the two groups of driving assemblies, and the lower ends of the driving assemblies extend into the corresponding annular accommodating grooves.

2. The vibration speaker of a dual drive structure according to claim 1, characterized in that: the driving assembly comprises a second elastic sheet, a framework and a coil; the second elastic sheet is arranged at the opening end of the cavity, the framework is arranged at the center of the second elastic sheet, the upper end of the framework is connected with the vibrating plate, the periphery of the lower end of the framework is connected with the coil, and the coil extends into the corresponding annular accommodating groove.

3. The vibration speaker of a dual drive structure according to claim 2, characterized in that: the framework comprises a clamping block, a cushion block and a circular frame body which are connected in sequence; the clamping block penetrates through the center position of the second elastic sheet and then is connected with the vibrating plate, the cushion block is located between the second elastic sheet and the circular frame body, and the coil is installed on the periphery of the lower end of the circular frame body.

4. The vibration speaker of a dual drive structure according to claim 1, characterized in that: the vibrating plate comprises two sub-vibrating plates, and the two sub-vibrating plates are arranged in one-to-one correspondence with the two groups of driving assemblies.

5. The vibration speaker of a dual drive structure according to claim 1, characterized in that: the magnetic circuit component comprises U-shaped iron, a magnet and a magnetic conduction plate; u shaped iron has the protruding position in bottom with first shell fragment joint, magnet is located the inside plane of U shaped iron, the magnetic conduction board is located the up end of magnet, the periphery of magnetic conduction board forms the annular groove of holding with the medial surface of U shaped iron.

6. A vibration speaker of a dual drive structure according to claim 1, wherein: the welding plate is located at the bottom of the shell, and the outgoing lines of the driving assemblies are connected with the welding plate so that the two groups of driving assemblies are connected in parallel or in series.

7. The vibration speaker of a dual drive structure according to claim 6, wherein: the two cavities are arranged in parallel, a gap through hole is formed between the cavities, the welding plate is located at the lower end of the gap through hole, and the outgoing line of the driving assembly penetrates through the gap through hole to be connected with the welding plate.

8. The vibration speaker of a dual drive structure according to claim 1, characterized in that: the inner periphery of the cavity is provided with an annular mounting table, the first elastic sheet is mounted on the annular mounting table, and a gap is formed between the first elastic sheet and the bottom of the cavity.