CN210405638U

CN210405638U - Double-track-shaped magnetic circuit and double-track-shaped voice coil loudspeaker

Info

Publication number: CN210405638U
Application number: CN201921536461.5U
Authority: CN
Inventors: 陈洲; 沈明顺
Original assignee: Shenzhen Sanji Technology Co ltd
Current assignee: Shenzhen Sanji Technology Co ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-04-24
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses a two runway shape magnetic circuit two runway shape voice coil speakers, including rectangular shape casing and two speakers of dress in rectangular shape casing to and with two speaker electric connection's wiring end, the casing outside is located to the wiring end, two speakers adopt runway shape structure, the drive magnetic circuit of two speakers all adopts runway shape major-minor magnetic structure. The single runway-shaped magnetic circuit of the utility model adopts a main magnetic structure and an auxiliary magnetic structure to ensure that the coil has a sufficiently uniform magnetic field when vibrating in the magnetic circuit; the voice coil is in a track shape, so that the BL value of the product is stronger under a narrow condition; the two magnetic circuits drive the diaphragm simultaneously, so that the product has higher sensitivity.

Description

Double-track-shaped magnetic circuit and double-track-shaped voice coil loudspeaker

Technical Field

The utility model relates to a speaker technical field, in particular to two runway shape magnetic circuit two runway shape voice coil speakers.

Background

With the development of electronic technology, screens of various electronic products such as televisions, displays, conference systems, teaching systems and the like are larger, the power of the speakers is increased, and the space reserved for the speakers is smaller. Traditional speaker is generally made circularly, can't adapt to the space that diminishes, and the application scene is few, and the rectangular shape speaker after some improvements makes tone quality distortion easily, the utility model discloses to the speaker can't do the bore for a short time because of power is big on the market to and the problem of the easy distortion of rectangular shape speaker sensitivity, the structure to the speaker has proposed the improvement.

SUMMERY OF THE UTILITY MODEL

To the problem that prior art exists, the utility model provides a two runway shape sound circle speakers of two runway shape magnetic circuit.

In order to achieve the above purpose, the specific scheme of the utility model is as follows:

the utility model provides a two runway shape magnetic circuit two runway shape voice coil speakers, includes rectangular shape casing and two speakers of dress in rectangular shape casing to and with two speaker electric connection's wiring end, the casing outside is located to the wiring end, two speakers adopt runway shape structure, the drive magnetic circuit of two speakers all adopts runway shape major-minor magnetic structure.

Preferably, each the speaker includes vibrating diaphragm, dustproof cap, bullet ripples, voice coil loudspeaker voice coil, U iron, main magnet, china department, vice magnetism, lead wire, terminal, set is put in runway shape voice coil loudspeaker voice coil after main magnet, china department, vice magnetism stack from bottom to top, the voice coil loudspeaker voice coil bottom is wrapped up by U iron, the bullet ripples encloses in the peripheral middle part of voice coil loudspeaker voice coil, the vibrating diaphragm encloses on the peripheral upper portion of voice coil loudspeaker voice coil, dustproof cap covers at the voice coil loudspeaker voice coil top, the terminal passes through lead wire and connects the voice coil loudspeaker voice coil.

Preferably, a wind tube plate and two radiating fins are arranged in the shell, the two radiating fins are respectively arranged at the bottoms of the two speakers, and the wind tube plate is arranged below one of the radiating fins.

Preferably, the shell comprises an upper shell and a lower shell, and two ends of the upper shell and two ends of the lower shell are fixedly connected through rubber pads.

Preferably, the two ends of the shell are also provided with sponges.

Adopt the technical scheme of the utility model, following beneficial effect has:

(1) the double-runway-shaped magnetic circuit driving structure is adopted, so that the product is more narrow;

(2) the voice coil is in a track shape, so that the BL value of the product is stronger under a narrow condition;

(3) the single magnetic circuit drive adopts a main magnetic structure and an auxiliary magnetic structure, so that a sufficiently uniform magnetic field is ensured when the coil vibrates in the magnetic circuit;

(4) and the two magnetic circuits drive the vibrating diaphragm simultaneously, so that the product has higher sensitivity.

Drawings

FIG. 1 is a perspective view of the present invention;

fig. 2 is a sectional view of the present invention;

fig. 3 is a perspective view of a single racetrack speaker of the present invention;

fig. 4 is a cross-sectional view of a single racetrack speaker of the present invention.

The loudspeaker comprises a loudspeaker 1, a loudspeaker 2, an upper shell 3, a lower shell 4, a terminal 5, a sponge 6, a rubber pad 7, a fan plate 8, a radiating fin 11, a vibrating diaphragm 12, a dustproof cap 13, a damper 14, a voice coil 15, a U-shaped iron 16, a main magnet 17, a washer 18, an auxiliary magnet 19, a nylon wire 110 and a terminal.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 2, the utility model provides a two runway shape magnetic circuit two runway shape voice coil speakers, including rectangular shape casing and two of dress in rectangular shape casing raise one's voice 1 to and with two speaker electric connection's wiring end 4, the casing is outside to be located to wiring end 4, two speaker 1 adopt runway shape structure, the drive magnetic circuit of two speaker 1 all adopts runway shape major-minor magnetic structure.

The casing includes epitheca 2 and inferior valve 3,

epitheca

2 and 3 both ends of inferior valve pass through rubber pad 6 fixed connection. The two ends of the shell are also provided with sponges 5.

The loudspeaker is characterized in that a wind tube plate 7 and two radiating fins 8 are arranged in the shell, the two radiating fins 8 are respectively arranged at the bottoms of the two loudspeakers 1, and the wind tube plate 7 is arranged below one radiating fin 8.

Referring to fig. 3 to 4, each of the speakers includes a diaphragm 11, a dust cap 12, an elastic wave 13, a voice coil 14, a U-shaped iron 15, a main magnet 16, a washer 17, a sub-magnet 18, a lead wire 19, and a terminal 110, the main magnet 16, the washer 17, and the sub-magnet 18 are stacked from bottom to top and then sleeved in the track-shaped voice coil 14, the bottom of the voice coil 14 is wrapped by the U-shaped iron 15, the elastic wave 13 surrounds the middle of the periphery of the voice coil 14, the diaphragm 11 surrounds the upper portion of the periphery of the voice coil 14, the dust cap 12 covers the top of the voice coil 14, and the terminal 110 is connected to the voice coil 14 through the lead wire 19.

The utility model discloses a theory of operation does:

the single magnetic circuit drive adopts a main magnetic structure and an auxiliary magnetic structure, so that a sufficiently uniform magnetic field is ensured when the coil vibrates in the magnetic circuit; the voice coil is in a track shape, so that the BL value of the product is stronger under a narrow condition; the two magnetic circuits drive the diaphragm simultaneously, so that the product has higher sensitivity.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all of which are in the utility model discloses a conceive, utilize the equivalent structure transform that the content of the specification and the attached drawings did, or directly/indirectly use all to include in other relevant technical fields the protection scope of the present invention.

Claims

1. The double-runway-shaped magnetic circuit and double-runway-shaped voice coil loudspeaker is characterized by comprising a strip-shaped shell, two loudspeakers arranged in the strip-shaped shell and wiring terminals electrically connected with the two loudspeakers, wherein the wiring terminals are arranged outside the shell, the two loudspeakers adopt runway-shaped structures, and driving magnetic circuits of the two loudspeakers all adopt runway-shaped main and auxiliary magnetic structures.

2. The dual-racetrack-shaped voice coil loudspeaker with the dual racetrack-shaped magnetic circuits according to claim 1, wherein each loudspeaker comprises a vibrating diaphragm, a dustproof cap, an elastic wave, a voice coil, U-shaped iron, a main magnet, a washer, an auxiliary magnet, a lead wire and a terminal, the main magnet, the washer and the auxiliary magnet are stacked from bottom to top and then sleeved in the racetrack-shaped voice coil, the bottom of the voice coil is wrapped by the U-shaped iron, the elastic wave surrounds the middle part of the periphery of the voice coil, the vibrating diaphragm surrounds the upper part of the periphery of the voice coil, the dustproof cap covers the top of the voice coil, and the terminal is connected with the voice coil through the lead wire.

3. The dual racetrack magnetic circuit dual racetrack voice coil speaker of claim 2, wherein a wind pipe plate and two heat sinks are provided in said case, said two heat sinks are respectively provided at the bottoms of said two speakers, and said wind pipe plate is provided below one of said heat sinks.

4. The dual racetrack-shaped voice coil speaker with dual racetrack-shaped magnetic circuits according to claim 3, wherein the housing comprises an upper shell and a lower shell, and the two ends of the upper shell and the lower shell are fixedly connected through rubber pads.

5. The dual racetrack magnetic circuit dual racetrack voice coil speaker of claim 4, wherein sponges are also placed at both ends of the case.