CN215499563U

CN215499563U - Coaxial loudspeaker convenient to heat dissipation

Info

Publication number: CN215499563U
Application number: CN202121626337.5U
Authority: CN
Inventors: 张其国
Original assignee: Dongguan Senya Electronic Technology Co ltd
Current assignee: Dongguan Senya Electronic Technology Co ltd
Priority date: 2021-07-17
Filing date: 2021-07-17
Publication date: 2022-01-11
Anticipated expiration: 2031-07-17

Abstract

A coaxial loudspeaker convenient for heat dissipation relates to the technical field of coaxial loudspeakers. It includes the magnetism shield, bass magnetic circuit assembly, radiator unit, bass basin frame, the voice coil loudspeaker voice coil, the bass vibrating diaphragm, the connecting cylinder, loudspeaker, install bass magnetic circuit assembly in the magnetism shield, radiator unit is installed in the bottom surface embedding of magnetism shield, the top of magnetism shield is connected with the bass basin frame, the voice coil loudspeaker voice coil is installed to bass basin frame center bottom, the bass basin frame is connected with the bass vibrating diaphragm with the voice coil loudspeaker voice coil top, the lower extreme of connecting cylinder passes the voice coil loudspeaker voice coil perpendicularly and is connected with bass magnetic circuit assembly's top center, loudspeaker are installed on the top of connecting cylinder. The utility model utilizes the metal heat radiation component to radiate the heat of the tweeter and the woofer, and has high heat conduction efficiency and good heat radiation effect.

Description

Coaxial loudspeaker convenient to heat dissipation

Technical Field

The utility model relates to the technical field of coaxial loudspeakers, in particular to an improvement of a coaxial loudspeaker convenient for heat dissipation.

Background

A horn is a modern electro-acoustic element that functions to convert electrical signals into sound. Since the horn functions strongly, it is widely used in various fields such as an automobile field. The traditional loudspeaker is a single loudspeaker unit, and the single loudspeaker can only produce one sound, such as one of bass, alto, treble and the like, which is convenient for heat dissipation. With the development of science and technology and the automobile industry, it is obvious that the single horn can not meet the requirements of people. Thus, the utility model provides a coaxial loudspeaker, namely a high pitch loudspeaker besides a medium and low pitch loudspeaker on the same axis, which is respectively responsible for replaying high pitch and medium and low pitch, and has the advantage of greatly improving the bandwidth of a single loudspeaker.

The coaxial loudspeaker of prior published technical patent application number CN201920907293.X, wherein the middle part of terminal surface is provided with heat conduction copper pipe under the base, the embedded heat-conducting plate that is provided with of lower chamber wall of shell, the below that the chamber wall is located the heat-conducting plate under the shell is provided with the louvre, through being provided with heat conduction copper pipe, can in time conduct the heat that produces on the base to the heat-conducting plate, at last when windy when having the process louvre, just can take away the heat on the heat-conducting plate, avoid the heat to gather in the shell cavity, play timely heat dissipation, avoid the influence of high temperature to the loudspeaker subassembly, but its heat-conducting plate sets up the inside at the shell, though can ventilate certain radiating effect through the louvre, the heat still gathers in the shell easily, radiating efficiency and radiating efficiency are not enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a coaxial loudspeaker convenient for heat dissipation, which utilizes a metal heat dissipation component to dissipate heat of a high pitch loudspeaker and a low pitch loudspeaker, and has high heat conduction efficiency and good heat dissipation effect.

In order to achieve the purpose, the utility model adopts the following technical scheme: it includes magnetic shield 1, bass magnetic circuit subassembly 2, radiator unit 3, bass basin frame 4, voice coil loudspeaker voice coil 5, bass vibrating diaphragm 6, connecting cylinder 7, loudspeaker 8, install bass magnetic circuit subassembly 2 in the magnetic shield 1, radiator unit 3 is installed in the bottom surface embedding of magnetic shield 1, and the top of magnetic shield 1 is connected with bass basin frame 4, and voice coil loudspeaker voice coil 5 is installed to 4 central bottoms of bass basin frame, and bass basin frame 4 is connected with bass vibrating diaphragm 6 with 5 tops of voice coil loudspeaker voice coil, the lower extreme of connecting cylinder 7 passes voice coil loudspeaker voice coil 5 perpendicularly and is connected with the top center of bass magnetic circuit subassembly 2, and loudspeaker 8 is installed on the top of connecting cylinder 7.

Further, the bass magnetic circuit assembly 2 comprises a T-shaped iron 21, a magnetic ring 22 and a washer 23, the T-shaped iron 21 is arranged on the inner bottom surface of the magnetism isolating cover 1, a through hole 211 is formed in the center of the T-shaped iron 21, the magnetic ring 22 is arranged on the upper surface of the T-shaped iron 21, and the washer 23 is arranged on the upper surface of the magnetic ring 22.

Further, the heat dissipation assembly 3 includes a heat conduction substrate 31, an installation screw hole 32, a heat conduction pipe 33, a heat conduction ring 34, and a heat dissipation tooth 35, the periphery of the heat conduction substrate 31 is provided with the installation screw hole 32, one end surface of the heat conduction substrate 31 is fixedly connected with the heat conduction pipe 33, the top end of the heat conduction pipe 33 penetrates through the bottom surface of the magnetism isolating cover 1 and is connected with the bottom surface of the tweeter 8, the other end surface of the heat conduction substrate 31 is provided with the heat conduction ring 34, and the periphery of the heat conduction ring 34 is provided with the heat dissipation tooth 35. The heat generated by the tweeter 8 and the heat of the inner wall of the through hole 211 in the T-bar 21 are conducted to the heat conductive substrate 31 through the heat conductive pipe 33, and are radiated by the heat conductive ring 34 and the heat radiating teeth 35.

Furthermore, a groove 331 is formed in a side surface of one end of the heat conducting pipe 33 connected to the heat conducting substrate 31, a bottom surface of the groove 331 is fixedly connected to one end of the elastic member 332, the other end of the elastic member 332 is fixedly connected to one end of the connecting rod 333, and the other end of the connecting rod 333 is connected to the arc-shaped heat conducting plate 334. The elastic member 332 presses the arc-shaped heat-conducting plate 334, so that the arc-shaped heat-conducting plate 334 is sufficiently and closely attached to the inner wall of the through hole 211, thereby improving the heat-conducting efficiency.

The working principle of the utility model is as follows: when the coaxial loudspeaker works, the heat generated by the tweeter 8 is conducted to the heat conducting substrate 31 through the heat conducting pipe 33, meanwhile, the heat generated by the woofer in the coaxial loudspeaker is conducted to the magnetism isolating cover 1 through the lower surface of the T iron 21, the heat is conducted to the heat conducting substrate 31 through the magnetism isolating cover 1, meanwhile, the heat is conducted to the heat conducting substrate 31 from the inner wall of the through hole 211 of the T iron 21 through the arc heat conducting plate 334 in the heat conducting pipe 33, the heat is conducted to the heat conducting substrate 31 through the heat conducting ring 34 and the heat radiating teeth 35 to exchange heat with the external air to realize heat radiation, wherein the arc heat conducting plate 334 is extruded through the elastic piece 332, so that the arc heat conducting plate 334 is fully and tightly attached to the inner wall of the through hole 211, and the heat conducting efficiency is improved.

After the technical scheme is adopted, the utility model has the beneficial effects that: the heat that loudspeaker produced and the inner wall heat conduction of the inside through-hole of T iron of woofer to the heat conduction base plate through the heat pipe, dispel the heat by heat conduction ring and heat dissipation tooth, wherein the arc heat-conducting plate is extruded to the elastic component, makes the abundant inseparable laminating of inner wall of arc heat-conducting plate and through-hole, has effectively improved the heat conduction efficiency of heat pipe and T iron.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the heat dissipation assembly 3 of the present invention;

fig. 3 is a schematic top view of the heat dissipation assembly 3 of the present invention;

fig. 4 is a schematic sectional view at a-a in fig. 2.

Description of reference numerals: the magnetic shield comprises a magnetic shield 1, a bass magnetic circuit component 2, a T iron 21, a magnetic ring 22, a washer 23, a heat dissipation component 3, a heat conduction substrate 31, a mounting screw hole 32, a heat conduction pipe 33, a groove 331, an elastic piece 332, a connecting rod 333, an arc-shaped heat conduction plate 334, a heat conduction ring 34, a heat dissipation tooth 35, a bass frame 4, a voice coil 5, a bass diaphragm 6, a connecting cylinder 7 and a tweeter 8.

Detailed Description

Referring to fig. 1 to 4, the technical solution adopted by the present embodiment is: it includes magnetic shield 1, bass magnetic circuit subassembly 2, radiator unit 3, bass basin frame 4, voice coil loudspeaker voice coil 5, bass vibrating diaphragm 6, connecting cylinder 7, loudspeaker 8, install bass magnetic circuit subassembly 2 in the magnetic shield 1, radiator unit 3 is installed in the bottom surface embedding of magnetic shield 1, and the top of magnetic shield 1 is connected with bass basin frame 4, and voice coil loudspeaker voice coil 5 is installed to 4 central bottoms of bass basin frame, and bass basin frame 4 is connected with bass vibrating diaphragm 6 with 5 tops of voice coil loudspeaker voice coil, the lower extreme of connecting cylinder 7 passes voice coil loudspeaker voice coil 5 perpendicularly and is connected with the top center of bass magnetic circuit subassembly 2, and loudspeaker 8 is installed on the top of connecting cylinder 7.

Preferably, the bass magnetic circuit assembly 2 includes a T-iron 21, a magnetic ring 22 and a washer 23, the T-iron 21 is disposed on the inner bottom surface of the magnetism isolating cover 1, a through hole 211 is disposed in the center of the T-iron 21, the magnetic ring 22 is disposed on the upper surface of the T-iron 21, and the washer 23 is disposed on the upper surface of the magnetic ring 22.

Preferably, the heat dissipation assembly 3 includes a heat conduction substrate 31, an installation screw hole 32, a heat conduction pipe 33, a heat conduction ring 34, and a heat dissipation tooth 35, the periphery of the heat conduction substrate 31 is provided with the installation screw hole 32, an end face of the heat conduction substrate 31 is fixedly connected with the heat conduction pipe 33, a top end of the heat conduction pipe 33 penetrates through the bottom face of the magnetism isolating cover 1 and is connected with the bottom face of the tweeter 8, the other end face of the heat conduction substrate 31 is provided with the heat conduction ring 34, the periphery of the heat conduction ring 34 is provided with the heat dissipation tooth 35, heat generated by the tweeter 8 and heat generated by the inner wall of the through hole 211 in the T-shaped iron 21 are conducted to the heat conduction substrate 31 through the heat conduction pipe 33, and heat is dissipated by the heat conduction ring 34 and the heat dissipation tooth 35.

Preferably, a groove 331 is formed in a side surface of one end of the heat conducting pipe 33 connected to the heat conducting substrate 31, a bottom surface of the groove 331 is fixedly connected to one end of the elastic member 332, the other end of the elastic member 332 is fixedly connected to one end of the connecting rod 333, the other end of the connecting rod 333 is connected to the arc heat conducting plate 334, and the elastic member 332 extrudes the arc heat conducting plate 334, so that the arc heat conducting plate 334 is sufficiently and tightly attached to the inner wall of the through hole 211, thereby improving heat conducting efficiency.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A coaxial horn that is convenient for heat dissipation is characterized in that: it comprises a magnetic isolation cover (1), a bass magnetic circuit assembly (2), a heat dissipation assembly (3), a bass cone frame (4), a voice coil (5) , a bass diaphragm (6), a connecting cylinder (7), a tweeter (8), a bass magnetic circuit assembly (2) is installed in the magnetic isolation cover (1), and the bottom surface of the magnetic isolation cover (1) is embedded and installed with The heat dissipation assembly (3), the top of the magnetic isolation cover (1) is connected with a bass cone frame (4), the center bottom end of the bass cone frame (4) is installed with a voice coil (5), the bass cone frame (4) and the voice coil ( 5) A bass diaphragm (6) is connected at the top, and the lower end of the connecting cylinder (7) vertically passes through the voice coil (5) and is connected with the top center of the bass magnetic circuit assembly (2). A tweeter (8) is installed at the top.

2 . The coaxial speaker according to claim 1 , wherein the bass magnetic circuit assembly ( 2 ) comprises a T iron ( 21 ), a magnetic ring ( 22 ) and a washer ( 23 ). 3 . The T iron (21) is arranged on the inner bottom surface of the magnetic isolation cover (1), the center of the T iron (21) is provided with a through hole (211), and the magnetic ring (22) is arranged on the top of the T iron (21). The washer (23) is arranged on the upper surface of the magnetic ring (22).

3. A coaxial horn that facilitates heat dissipation according to claim 1, wherein the heat dissipation assembly (3) comprises a heat conducting substrate (31), a mounting screw hole (32), a heat conducting pipe (33), a heat conducting The ring (34) and the heat dissipation teeth (35), the outer periphery of the thermally conductive substrate (31) is provided with mounting screw holes (32), and one end surface of the thermally conductive substrate (31) is fixedly connected with a thermally conductive pipe (33), the thermally conductive pipe (33) ) penetrates through the bottom surface of the magnetic isolation cover (1) and is connected with the bottom surface of the tweeter (8). Radiator teeth (35).

4. A coaxial horn that facilitates heat dissipation according to claim 3, characterized in that a groove (331) is provided on the side of one end of the heat conducting pipe (33) connected to the heat conducting substrate (31), and the concave The bottom surface of the groove (331) is fixedly connected with one end of the elastic piece (332), the other end of the elastic piece (332) is fixedly connected with one end of the connecting rod (333), and the other end of the connecting rod (333) is connected with the arc-shaped heat conducting plate ( 334) are connected.