CN210225737U

CN210225737U - Linear loudspeaker system

Info

Publication number: CN210225737U
Application number: CN201920775286.9U
Authority: CN
Inventors: Decheng Xia; 夏德成; Minghu Ma; 马明虎
Original assignee: Dongguan Aigao Audio Co Ltd
Current assignee: Guangdong Aigaoyin Video Technology Co ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-03-31
Anticipated expiration: 2029-05-24

Abstract

The utility model discloses a linear loudspeaker system, it relates to stereo set technical field. Including bass subassembly and bugle, be provided with the bass subassembly in the bugle, the bass subassembly adopts two woofers of arranging from top to bottom, and two woofers slope symmetry set up, and the high pitch subassembly sets up the place ahead at the bass subassembly. The utility model has reasonable structure design, all parts of the full-frequency sound box can be collected in one box body to become the most compact sound box with the smallest volume in the same level; the sensitivity in an effective frequency band is greatly improved to 108-110 dB/m/w, phase correction can be carried out on medium and low frequencies, distortion is reduced, and the ventilation and heat dissipation effects are good.

Description

Linear loudspeaker system

Technical Field

The utility model relates to a stereo set technical field, concretely relates to linear loudspeaker system.

Background

The speaker is also called a horn. It is a very common electroacoustic transducer, and can be found in electronic and electric equipment for producing sound. The loudspeaker is a transducer for converting an electric signal into an acoustic signal, and the quality of the loudspeaker has great influence on the sound quality. The loudspeaker is the weakest component in the audio equipment, and is the most important component for the audio effect. Loudspeakers are of a wide variety and vary widely in price. The audio frequency electric energy makes the paper cone or the diaphragm vibrate and generate resonance (resonance) with the surrounding air through electromagnetic, piezoelectric or electrostatic effect to make sound. The traditional low loudspeaker is not provided with a horn and is directly installed close to the front panel of the sound box, so that the sensitivity of the traditional low loudspeaker is low and is only 95-98 dB/m/w generally, and the traditional high-pitch component causes 7% of total harmonic distortion due to the defects of the traditional high-pitch component, so that the using effect of the traditional high-pitch component is greatly reduced.

To sum up, the utility model discloses a linear loudspeaker system.

SUMMERY OF THE UTILITY MODEL

To the not enough that exists on the prior art, the utility model aims to provide a linear loudspeaker system, structural design is reasonable, makes the sensitivity in the effective frequency range improve greatly, reaches 108 ~ 110dB/m/w, can carry out the phase correction to the centering low frequency, has reduced the distortion, and the ventilation cooling effect is good.

In order to achieve the above purpose, the present invention is realized by the following technical solution: linear loudspeaker system is provided with the bass subassembly including bass subassembly and bugle in the bugle, and the bass subassembly adopts two woofers of arranging from top to bottom, and two woofers slope symmetry set up, and the high pitch subassembly sets up the place ahead at the bass subassembly.

Preferably, the woofer adopts a 12-inch neodymium magnetic 75-core woofer.

Preferably, the horn comprises a box body and a corner plate, the box body is composed of four outer box plates and four inner side plates, and four corner plates are arranged at four corners of the inner side of the box body respectively.

Preferably, the bass assembly is installed in the horn through a mounting plate, and the bass assembly and the mounting plate thereof divide the internal space of the box body into a bass assembly cavity and a treble assembly cavity.

Preferably, the high pitch subassembly include mount, installation piece, high pitch loudspeaker and erection joint strip, four high pitch loudspeaker's both sides are fixed through the mount joint respectively, the front end of the mount that the joint is good is fixed through installation piece and erection joint strip.

Preferably, the treble assembly is arranged in a vertically and horizontally symmetrical manner with respect to the bass assembly.

The utility model discloses following beneficial effect has:

1. by adopting the horn of the woofer, the invalid left side and the invalid right side of a bass radiation area are narrowed, and the sensitivity in an effective frequency band is greatly improved by actual measurement to reach 108-110 dB/m/w.

2. Because the high pitch component is arranged in front of the low pitch component, the forward radiated middle and low frequency sound is divided into two symmetrical sound sources which are completely the same left and right, and the position of the high pitch component has the function of a phase plug, so that the phase correction can be carried out on the middle and low frequency sound, and the distortion is reduced; the total harmonic distortion of the conventional similar product is 7%, and the detection of the product reaches below 6%.

3. The two woofers and the mounting plates thereof divide the space in the box into a bass component cavity and a treble component cavity; the loudspeaker heating point is a voice coil, so that heat generated by the loudspeaker system during long-time working is dispersed, the loudspeaker system cannot generate power compression due to too fast and uneven temperature rise, and airflow generated during medium and low frequency working plays a role in ventilation and heat dissipation on the high-frequency assembly.

Drawings

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments;

fig. 1 is a schematic exploded view of the present invention;

FIG. 2 is a schematic view of the assembled structure of FIG. 1;

fig. 3 is a schematic arrangement diagram of a woofer according to the present invention;

FIG. 4 is a bottom view of FIG. 3;

FIG. 5 is a schematic view of the horn structure of the present invention;

fig. 6 is a symmetrical schematic view of the high pitch assembly and the low pitch assembly of the present invention;

FIG. 7 is a top view of FIG. 6;

fig. 8 is an internal cross-sectional view of the present invention;

fig. 9 is a high pitch assembly mechanism diagram of the present invention;

fig. 10 is an exploded view of fig. 9.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1 to 10, the following technical solutions are adopted in the present embodiment: linear loudspeaker system, including bass subassembly 1 and bugle 3, be provided with bass subassembly 1 in the bugle 3, bass subassembly 1 adopts two woofers 1-1 of arranging from top to bottom, and two woofers 1-1 slope symmetry set up, and high pitch subassembly 2 sets up in the place ahead of bass subassembly 1.

It is noted that the bass assembly 1 is installed in the horn 3 through the mounting plate 1-2, and the bass assembly 1 and the mounting plate 1-2 divide the inner space of the cabinet 3-1 into a bass assembly chamber and a treble assembly chamber.

It is worth noting that the high pitch assembly 2 comprises a fixing frame 2-1, a mounting block 2-2, a high pitch loudspeaker 2-3 and a mounting connecting strip 2-4, two sides of the four high pitch loudspeakers 2-3 are respectively clamped and fixed through the fixing frame 2-1, and the front end of the clamped fixing frame 2-1 is fixed with the mounting connecting strip 2-4 through the mounting block 2-2.

In addition, the treble component 2 is arranged symmetrically up and down and left and right relative to the bass component 1.

In the specific embodiment, two neodymium-magnetic 75-core woofers with 12 inches are arranged up and down, as shown in fig. 3 and 4, the two woofers are obliquely arranged and share one combined horn 3, the horn 3 comprises a box body 3-1 and a horn plate 3-2, the box body 3-1 consists of four outer plate plates and an inner plate of the box body, four horn plates 3-2 are respectively arranged at four corners of the inner side of the box body 3-1, and the horn 3 is arranged so that the invalid left side and the invalid right side of a bass radiation area are narrowed, and the sensitivity in an effective frequency band is greatly improved to 108-110 dB/m/w through actual measurement; the high pitch assembly and the low pitch assembly are symmetrically arranged, and because the high pitch assembly is arranged in front of the low pitch assembly, forward radiated middle and low frequency sound is divided into two symmetrical sound sources which are completely the same left and right, and the position of the high pitch assembly has the effect of a phase plug, so that the phase correction can be carried out on the middle and low frequency sound, and the distortion is reduced.

The magnetic circuit portions of the treble and bass components of this embodiment are disposed in separate chambers, as shown in fig. 8, and the two woofers themselves and their mounting plates divide the space in the cabinet into a bass component chamber and a treble component chamber. The loudspeaker heating point is a voice coil, so that heat generated by the loudspeaker system during long-time working is dispersed, the loudspeaker system cannot generate power compression due to too fast and uneven temperature rise, and airflow generated during medium and low frequency working plays a role in ventilation and heat dissipation on the high-frequency assembly.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Linear loudspeaker system, its characterized in that includes bass subassembly (1) and bugle (3), is provided with bass subassembly (1) in bugle (3), and bass subassembly (1) adopts two woofers (1-1) of arranging from top to bottom, and two woofers (1-1) slope symmetry set up, and high pitch subassembly (2) set up the place ahead at bass subassembly (1).

2. A linear loudspeaker system according to claim 1, characterised in that the woofer (1-1) is a 12 "neodymium magnetic 75 core woofer.

3. The line loudspeaker system according to claim 1, wherein the horn (3) comprises a cabinet (3-1) and four corner plates (3-2), the cabinet (3-1) is composed of four outer cabinet plates and four inner cabinet plates, and the four corners of the inner side of the cabinet (3-1) are respectively provided with the four corner plates (3-2).

4. A line loudspeaker system according to claim 1, characterised in that the bass assembly (1) is mounted in the horn (3) by means of a mounting plate (1-2), the bass assembly (1) and its mounting plate (1-2) dividing the interior space of the cabinet (3-1) into a bass assembly chamber and a treble assembly chamber.

5. The linear loudspeaker system as claimed in claim 1, wherein the tweeter assembly (2) comprises a fixing frame (2-1), a mounting block (2-2), tweeters (2-3) and a mounting connecting bar (2-4), two sides of the four tweeters (2-3) are respectively fixed by the fixing frame (2-1) in a clamping manner, and the front end of the fixed frame (2-1) which is well clamped is fixed with the mounting connecting bar (2-4) by the mounting block (2-2).

6. A line loudspeaker system according to claim 1, characterised in that the treble module (2) is arranged symmetrically up and down and side to side with respect to the bass module (1).